2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Free
9 * Software Foundation, Inc.
11 * Enhancements Copyright 2005 Alessandro Scotti
13 * The following terms apply to Digital Equipment Corporation's copyright
15 * ------------------------------------------------------------------------
18 * Permission to use, copy, modify, and distribute this software and its
19 * documentation for any purpose and without fee is hereby granted,
20 * provided that the above copyright notice appear in all copies and that
21 * both that copyright notice and this permission notice appear in
22 * supporting documentation, and that the name of Digital not be
23 * used in advertising or publicity pertaining to distribution of the
24 * software without specific, written prior permission.
26 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
27 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
28 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
29 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
30 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
31 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
33 * ------------------------------------------------------------------------
35 * The following terms apply to the enhanced version of XBoard
36 * distributed by the Free Software Foundation:
37 * ------------------------------------------------------------------------
39 * GNU XBoard is free software: you can redistribute it and/or modify
40 * it under the terms of the GNU General Public License as published by
41 * the Free Software Foundation, either version 3 of the License, or (at
42 * your option) any later version.
44 * GNU XBoard is distributed in the hope that it will be useful, but
45 * WITHOUT ANY WARRANTY; without even the implied warranty of
46 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
47 * General Public License for more details.
49 * You should have received a copy of the GNU General Public License
50 * along with this program. If not, see http://www.gnu.org/licenses/. *
52 *------------------------------------------------------------------------
53 ** See the file ChangeLog for a revision history. */
55 /* [AS] Also useful here for debugging */
59 int flock(int f, int code);
64 # define EGBB_NAME "egbbdll64.dll"
66 # define EGBB_NAME "egbbdll.dll"
71 # include <sys/file.h>
76 # define EGBB_NAME "egbbso64.so"
78 # define EGBB_NAME "egbbso.so"
80 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
82 # define HMODULE void *
83 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
84 # define GetProcAddress dlsym
94 #include <sys/types.h>
103 #else /* not STDC_HEADERS */
106 # else /* not HAVE_STRING_H */
107 # include <strings.h>
108 # endif /* not HAVE_STRING_H */
109 #endif /* not STDC_HEADERS */
112 # include <sys/fcntl.h>
113 #else /* not HAVE_SYS_FCNTL_H */
116 # endif /* HAVE_FCNTL_H */
117 #endif /* not HAVE_SYS_FCNTL_H */
119 #if TIME_WITH_SYS_TIME
120 # include <sys/time.h>
124 # include <sys/time.h>
130 #if defined(_amigados) && !defined(__GNUC__)
135 extern int gettimeofday(struct timeval *, struct timezone *);
143 #include "frontend.h"
150 #include "backendz.h"
151 #include "evalgraph.h"
152 #include "engineoutput.h"
156 # define _(s) gettext (s)
157 # define N_(s) gettext_noop (s)
158 # define T_(s) gettext(s)
171 int establish P((void));
172 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
173 char *buf, int count, int error));
174 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
175 char *buf, int count, int error));
176 void SendToICS P((char *s));
177 void SendToICSDelayed P((char *s, long msdelay));
178 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
179 void HandleMachineMove P((char *message, ChessProgramState *cps));
180 int AutoPlayOneMove P((void));
181 int LoadGameOneMove P((ChessMove readAhead));
182 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
183 int LoadPositionFromFile P((char *filename, int n, char *title));
184 int SavePositionToFile P((char *filename));
185 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
186 void ShowMove P((int fromX, int fromY, int toX, int toY));
187 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
188 /*char*/int promoChar));
189 void BackwardInner P((int target));
190 void ForwardInner P((int target));
191 int Adjudicate P((ChessProgramState *cps));
192 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
193 void EditPositionDone P((Boolean fakeRights));
194 void PrintOpponents P((FILE *fp));
195 void PrintPosition P((FILE *fp, int move));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
264 int deadRanks, handSize, handOffsets;
266 extern int tinyLayout, smallLayout;
267 ChessProgramStats programStats;
268 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
270 static int exiting = 0; /* [HGM] moved to top */
271 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
272 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
273 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
274 int partnerHighlight[2];
275 Boolean partnerBoardValid = 0;
276 char partnerStatus[MSG_SIZ];
278 Boolean originalFlip;
279 Boolean twoBoards = 0;
280 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
281 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
282 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
283 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
284 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
285 int opponentKibitzes;
286 int lastSavedGame; /* [HGM] save: ID of game */
287 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
288 extern int chatCount;
290 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
291 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
292 char lastMsg[MSG_SIZ];
293 char lastTalker[MSG_SIZ];
294 ChessSquare pieceSweep = EmptySquare;
295 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
296 int promoDefaultAltered;
297 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
298 static int initPing = -1;
299 int border; /* [HGM] width of board rim, needed to size seek graph */
300 char bestMove[MSG_SIZ], avoidMove[MSG_SIZ];
301 int solvingTime, totalTime;
303 /* States for ics_getting_history */
305 #define H_REQUESTED 1
306 #define H_GOT_REQ_HEADER 2
307 #define H_GOT_UNREQ_HEADER 3
308 #define H_GETTING_MOVES 4
309 #define H_GOT_UNWANTED_HEADER 5
311 /* whosays values for GameEnds */
320 /* Maximum number of games in a cmail message */
321 #define CMAIL_MAX_GAMES 20
323 /* Different types of move when calling RegisterMove */
325 #define CMAIL_RESIGN 1
327 #define CMAIL_ACCEPT 3
329 /* Different types of result to remember for each game */
330 #define CMAIL_NOT_RESULT 0
331 #define CMAIL_OLD_RESULT 1
332 #define CMAIL_NEW_RESULT 2
334 /* Telnet protocol constants */
345 safeStrCpy (char *dst, const char *src, size_t count)
348 assert( dst != NULL );
349 assert( src != NULL );
352 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
353 if( i == count && dst[count-1] != NULLCHAR)
355 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
356 if(appData.debugMode)
357 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
363 /* Some compiler can't cast u64 to double
364 * This function do the job for us:
366 * We use the highest bit for cast, this only
367 * works if the highest bit is not
368 * in use (This should not happen)
370 * We used this for all compiler
373 u64ToDouble (u64 value)
376 u64 tmp = value & u64Const(0x7fffffffffffffff);
377 r = (double)(s64)tmp;
378 if (value & u64Const(0x8000000000000000))
379 r += 9.2233720368547758080e18; /* 2^63 */
383 /* Fake up flags for now, as we aren't keeping track of castling
384 availability yet. [HGM] Change of logic: the flag now only
385 indicates the type of castlings allowed by the rule of the game.
386 The actual rights themselves are maintained in the array
387 castlingRights, as part of the game history, and are not probed
393 int flags = F_ALL_CASTLE_OK;
394 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
395 switch (gameInfo.variant) {
397 flags &= ~F_ALL_CASTLE_OK;
398 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
399 flags |= F_IGNORE_CHECK;
401 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
404 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
406 case VariantKriegspiel:
407 flags |= F_KRIEGSPIEL_CAPTURE;
409 case VariantCapaRandom:
410 case VariantFischeRandom:
411 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
412 case VariantNoCastle:
413 case VariantShatranj:
418 flags &= ~F_ALL_CASTLE_OK;
421 case VariantChuChess:
423 flags |= F_NULL_MOVE;
428 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
432 FILE *gameFileFP, *debugFP, *serverFP;
433 char *currentDebugFile; // [HGM] debug split: to remember name
436 [AS] Note: sometimes, the sscanf() function is used to parse the input
437 into a fixed-size buffer. Because of this, we must be prepared to
438 receive strings as long as the size of the input buffer, which is currently
439 set to 4K for Windows and 8K for the rest.
440 So, we must either allocate sufficiently large buffers here, or
441 reduce the size of the input buffer in the input reading part.
444 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
445 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
446 char thinkOutput1[MSG_SIZ*10];
447 char promoRestrict[MSG_SIZ];
449 ChessProgramState first, second, pairing;
451 /* premove variables */
454 int premoveFromX = 0;
455 int premoveFromY = 0;
456 int premovePromoChar = 0;
458 Boolean alarmSounded;
459 /* end premove variables */
461 char *ics_prefix = "$";
462 enum ICS_TYPE ics_type = ICS_GENERIC;
464 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
465 int pauseExamForwardMostMove = 0;
466 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
467 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
468 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
469 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
470 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
471 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
472 int whiteFlag = FALSE, blackFlag = FALSE;
473 int userOfferedDraw = FALSE;
474 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
475 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
476 int cmailMoveType[CMAIL_MAX_GAMES];
477 long ics_clock_paused = 0;
478 ProcRef icsPR = NoProc, cmailPR = NoProc;
479 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
480 GameMode gameMode = BeginningOfGame;
481 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
482 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
483 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
484 int hiddenThinkOutputState = 0; /* [AS] */
485 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
486 int adjudicateLossPlies = 6;
487 char white_holding[64], black_holding[64];
488 TimeMark lastNodeCountTime;
489 long lastNodeCount=0;
490 int shiftKey, controlKey; // [HGM] set by mouse handler
492 int have_sent_ICS_logon = 0;
494 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
495 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
496 Boolean adjustedClock;
497 long timeControl_2; /* [AS] Allow separate time controls */
498 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
499 long timeRemaining[2][MAX_MOVES];
500 int matchGame = 0, nextGame = 0, roundNr = 0;
501 Boolean waitingForGame = FALSE, startingEngine = FALSE;
502 TimeMark programStartTime, pauseStart;
503 char ics_handle[MSG_SIZ];
504 int have_set_title = 0;
506 /* animateTraining preserves the state of appData.animate
507 * when Training mode is activated. This allows the
508 * response to be animated when appData.animate == TRUE and
509 * appData.animateDragging == TRUE.
511 Boolean animateTraining;
517 Board boards[MAX_MOVES];
518 /* [HGM] Following 7 needed for accurate legality tests: */
519 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
520 unsigned char initialRights[BOARD_FILES];
521 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
522 int initialRulePlies, FENrulePlies;
523 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
525 Boolean shuffleOpenings;
526 int mute; // mute all sounds
528 // [HGM] vari: next 12 to save and restore variations
529 #define MAX_VARIATIONS 10
530 int framePtr = MAX_MOVES-1; // points to free stack entry
532 int savedFirst[MAX_VARIATIONS];
533 int savedLast[MAX_VARIATIONS];
534 int savedFramePtr[MAX_VARIATIONS];
535 char *savedDetails[MAX_VARIATIONS];
536 ChessMove savedResult[MAX_VARIATIONS];
538 void PushTail P((int firstMove, int lastMove));
539 Boolean PopTail P((Boolean annotate));
540 void PushInner P((int firstMove, int lastMove));
541 void PopInner P((Boolean annotate));
542 void CleanupTail P((void));
544 ChessSquare FIDEArray[2][BOARD_FILES] = {
545 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
546 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
547 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
548 BlackKing, BlackBishop, BlackKnight, BlackRook }
551 ChessSquare twoKingsArray[2][BOARD_FILES] = {
552 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
553 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
554 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
555 BlackKing, BlackKing, BlackKnight, BlackRook }
558 ChessSquare KnightmateArray[2][BOARD_FILES] = {
559 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
560 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
561 { BlackRook, BlackMan, BlackBishop, BlackQueen,
562 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
565 ChessSquare SpartanArray[2][BOARD_FILES] = {
566 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
567 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
568 { BlackAlfil, BlackDragon, BlackKing, BlackTower,
569 BlackTower, BlackKing, BlackAngel, BlackAlfil }
572 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
573 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
574 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
575 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
576 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
579 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
580 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
581 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
582 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
583 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
586 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
587 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
588 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
589 { BlackRook, BlackKnight, BlackMan, BlackFerz,
590 BlackKing, BlackMan, BlackKnight, BlackRook }
593 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
594 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
595 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
596 { BlackRook, BlackKnight, BlackMan, BlackFerz,
597 BlackKing, BlackMan, BlackKnight, BlackRook }
600 ChessSquare lionArray[2][BOARD_FILES] = {
601 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
602 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
603 { BlackRook, BlackLion, BlackBishop, BlackQueen,
604 BlackKing, BlackBishop, BlackKnight, BlackRook }
608 #if (BOARD_FILES>=10)
609 ChessSquare ShogiArray[2][BOARD_FILES] = {
610 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
611 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
612 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
613 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
616 ChessSquare XiangqiArray[2][BOARD_FILES] = {
617 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
618 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
619 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
620 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
623 ChessSquare CapablancaArray[2][BOARD_FILES] = {
624 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
625 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
626 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
627 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
630 ChessSquare GreatArray[2][BOARD_FILES] = {
631 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
632 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
633 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
634 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
637 ChessSquare JanusArray[2][BOARD_FILES] = {
638 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
639 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
640 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
641 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
644 ChessSquare GrandArray[2][BOARD_FILES] = {
645 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
646 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
647 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
648 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
651 ChessSquare ChuChessArray[2][BOARD_FILES] = {
652 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
653 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
654 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
655 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
659 ChessSquare GothicArray[2][BOARD_FILES] = {
660 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
661 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
662 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
663 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
666 #define GothicArray CapablancaArray
670 ChessSquare FalconArray[2][BOARD_FILES] = {
671 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
672 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
673 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
674 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
677 #define FalconArray CapablancaArray
680 #else // !(BOARD_FILES>=10)
681 #define XiangqiPosition FIDEArray
682 #define CapablancaArray FIDEArray
683 #define GothicArray FIDEArray
684 #define GreatArray FIDEArray
685 #endif // !(BOARD_FILES>=10)
687 #if (BOARD_FILES>=12)
688 ChessSquare CourierArray[2][BOARD_FILES] = {
689 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
690 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
691 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
692 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
694 ChessSquare ChuArray[6][BOARD_FILES] = {
695 { WhiteLance, WhiteCat, WhiteCopper, WhiteFerz, WhiteWazir, WhiteKing,
696 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteCopper, WhiteCat, WhiteLance },
697 { BlackLance, BlackCat, BlackCopper, BlackFerz, BlackWazir, BlackAlfil,
698 BlackKing, BlackWazir, BlackFerz, BlackCopper, BlackCat, BlackLance },
699 { WhiteAxe, EmptySquare, WhiteBishop, EmptySquare, WhiteClaw, WhiteMarshall,
700 WhiteAngel, WhiteClaw, EmptySquare, WhiteBishop, EmptySquare, WhiteAxe },
701 { BlackAxe, EmptySquare, BlackBishop, EmptySquare, BlackClaw, BlackAngel,
702 BlackMarshall, BlackClaw, EmptySquare, BlackBishop, EmptySquare, BlackAxe },
703 { WhiteDagger, WhiteSword, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
704 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSword, WhiteDagger },
705 { BlackDagger, BlackSword, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
706 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSword, BlackDagger }
708 #else // !(BOARD_FILES>=12)
709 #define CourierArray CapablancaArray
710 #define ChuArray CapablancaArray
711 #endif // !(BOARD_FILES>=12)
714 Board initialPosition;
717 /* Convert str to a rating. Checks for special cases of "----",
719 "++++", etc. Also strips ()'s */
721 string_to_rating (char *str)
723 while(*str && !isdigit(*str)) ++str;
725 return 0; /* One of the special "no rating" cases */
733 /* Init programStats */
734 programStats.movelist[0] = 0;
735 programStats.depth = 0;
736 programStats.nr_moves = 0;
737 programStats.moves_left = 0;
738 programStats.nodes = 0;
739 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
740 programStats.score = 0;
741 programStats.got_only_move = 0;
742 programStats.got_fail = 0;
743 programStats.line_is_book = 0;
748 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
749 if (appData.firstPlaysBlack) {
750 first.twoMachinesColor = "black\n";
751 second.twoMachinesColor = "white\n";
753 first.twoMachinesColor = "white\n";
754 second.twoMachinesColor = "black\n";
757 first.other = &second;
758 second.other = &first;
761 if(appData.timeOddsMode) {
762 norm = appData.timeOdds[0];
763 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
765 first.timeOdds = appData.timeOdds[0]/norm;
766 second.timeOdds = appData.timeOdds[1]/norm;
769 if(programVersion) free(programVersion);
770 if (appData.noChessProgram) {
771 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
772 sprintf(programVersion, "%s", PACKAGE_STRING);
774 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
775 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
776 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
781 UnloadEngine (ChessProgramState *cps)
783 /* Kill off first chess program */
784 if (cps->isr != NULL)
785 RemoveInputSource(cps->isr);
788 if (cps->pr != NoProc) {
790 DoSleep( appData.delayBeforeQuit );
791 SendToProgram("quit\n", cps);
792 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
795 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
799 ClearOptions (ChessProgramState *cps)
802 cps->nrOptions = cps->comboCnt = 0;
803 for(i=0; i<MAX_OPTIONS; i++) {
804 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
805 cps->option[i].textValue = 0;
809 char *engineNames[] = {
810 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
811 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
813 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
814 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
819 InitEngine (ChessProgramState *cps, int n)
820 { // [HGM] all engine initialiation put in a function that does one engine
824 cps->which = engineNames[n];
825 cps->maybeThinking = FALSE;
829 cps->sendDrawOffers = 1;
831 cps->program = appData.chessProgram[n];
832 cps->host = appData.host[n];
833 cps->dir = appData.directory[n];
834 cps->initString = appData.engInitString[n];
835 cps->computerString = appData.computerString[n];
836 cps->useSigint = TRUE;
837 cps->useSigterm = TRUE;
838 cps->reuse = appData.reuse[n];
839 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
840 cps->useSetboard = FALSE;
842 cps->usePing = FALSE;
845 cps->usePlayother = FALSE;
846 cps->useColors = TRUE;
847 cps->useUsermove = FALSE;
848 cps->sendICS = FALSE;
849 cps->sendName = appData.icsActive;
850 cps->sdKludge = FALSE;
851 cps->stKludge = FALSE;
852 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
853 TidyProgramName(cps->program, cps->host, cps->tidy);
855 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
856 cps->analysisSupport = 2; /* detect */
857 cps->analyzing = FALSE;
858 cps->initDone = FALSE;
860 cps->pseudo = appData.pseudo[n];
862 /* New features added by Tord: */
863 cps->useFEN960 = FALSE;
864 cps->useOOCastle = TRUE;
865 /* End of new features added by Tord. */
866 cps->fenOverride = appData.fenOverride[n];
868 /* [HGM] time odds: set factor for each machine */
869 cps->timeOdds = appData.timeOdds[n];
871 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
872 cps->accumulateTC = appData.accumulateTC[n];
873 cps->maxNrOfSessions = 1;
878 cps->drawDepth = appData.drawDepth[n];
879 cps->supportsNPS = UNKNOWN;
880 cps->memSize = FALSE;
881 cps->maxCores = FALSE;
882 ASSIGN(cps->egtFormats, "");
885 cps->optionSettings = appData.engOptions[n];
887 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
888 cps->isUCI = appData.isUCI[n]; /* [AS] */
889 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
892 if (appData.protocolVersion[n] > PROTOVER
893 || appData.protocolVersion[n] < 1)
898 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
899 appData.protocolVersion[n]);
900 if( (len >= MSG_SIZ) && appData.debugMode )
901 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
903 DisplayFatalError(buf, 0, 2);
907 cps->protocolVersion = appData.protocolVersion[n];
910 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
911 ParseFeatures(appData.featureDefaults, cps);
914 ChessProgramState *savCps;
922 if(WaitForEngine(savCps, LoadEngine)) return;
923 CommonEngineInit(); // recalculate time odds
924 if(gameInfo.variant != StringToVariant(appData.variant)) {
925 // we changed variant when loading the engine; this forces us to reset
926 Reset(TRUE, savCps != &first);
927 oldMode = BeginningOfGame; // to prevent restoring old mode
929 InitChessProgram(savCps, FALSE);
930 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
931 DisplayMessage("", "");
932 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
933 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
936 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
940 ReplaceEngine (ChessProgramState *cps, int n)
942 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
944 if(oldMode != BeginningOfGame) EditGameEvent();
947 appData.noChessProgram = FALSE;
948 appData.clockMode = TRUE;
951 if(n) return; // only startup first engine immediately; second can wait
952 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
956 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
957 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
959 static char resetOptions[] =
960 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
961 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
962 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
963 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
966 FloatToFront(char **list, char *engineLine)
968 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
970 if(appData.recentEngines <= 0) return;
971 TidyProgramName(engineLine, "localhost", tidy+1);
972 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
973 strncpy(buf+1, *list, MSG_SIZ-50);
974 if(p = strstr(buf, tidy)) { // tidy name appears in list
975 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
976 while(*p++ = *++q); // squeeze out
978 strcat(tidy, buf+1); // put list behind tidy name
979 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
980 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
981 ASSIGN(*list, tidy+1);
984 char *insert, *wbOptions, *currentEngine[2]; // point in ChessProgramNames were we should insert new engine
987 Load (ChessProgramState *cps, int i)
989 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
990 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
991 ASSIGN(currentEngine[i], engineLine);
992 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
993 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
994 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
995 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
996 appData.firstProtocolVersion = PROTOVER;
997 ParseArgsFromString(buf);
999 ReplaceEngine(cps, i);
1000 FloatToFront(&appData.recentEngineList, engineLine);
1001 if(gameMode == BeginningOfGame) Reset(TRUE, TRUE);
1005 while(q = strchr(p, SLASH)) p = q+1;
1006 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1007 if(engineDir[0] != NULLCHAR) {
1008 ASSIGN(appData.directory[i], engineDir); p = engineName;
1009 } else if(p != engineName) { // derive directory from engine path, when not given
1011 ASSIGN(appData.directory[i], engineName);
1013 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1014 } else { ASSIGN(appData.directory[i], "."); }
1015 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1017 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1018 snprintf(command, MSG_SIZ, "%s %s", p, params);
1021 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1022 ASSIGN(appData.chessProgram[i], p);
1023 appData.isUCI[i] = isUCI;
1024 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1025 appData.hasOwnBookUCI[i] = hasBook;
1026 if(!nickName[0]) useNick = FALSE;
1027 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1031 q = firstChessProgramNames;
1032 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1033 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1034 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s",
1035 quote, p, quote, appData.directory[i],
1036 useNick ? " -fn \"" : "",
1037 useNick ? nickName : "",
1038 useNick ? "\"" : "",
1039 v1 ? " -firstProtocolVersion 1" : "",
1040 hasBook ? "" : " -fNoOwnBookUCI",
1041 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1042 storeVariant ? " -variant " : "",
1043 storeVariant ? VariantName(gameInfo.variant) : "");
1044 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " %s", wbOptions);
1045 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 2);
1046 if(insert != q) insert[-1] = NULLCHAR;
1047 snprintf(firstChessProgramNames, len, "%s\n%s\n%s", q, buf, insert);
1049 FloatToFront(&appData.recentEngineList, buf);
1050 ASSIGN(currentEngine[i], buf);
1052 ReplaceEngine(cps, i);
1058 int matched, min, sec;
1060 * Parse timeControl resource
1062 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1063 appData.movesPerSession)) {
1065 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1066 DisplayFatalError(buf, 0, 2);
1070 * Parse searchTime resource
1072 if (*appData.searchTime != NULLCHAR) {
1073 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1075 searchTime = min * 60;
1076 } else if (matched == 2) {
1077 searchTime = min * 60 + sec;
1080 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1081 DisplayFatalError(buf, 0, 2);
1090 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1091 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1093 GetTimeMark(&programStartTime);
1094 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1095 appData.seedBase = random() + (random()<<15);
1096 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1098 ClearProgramStats();
1099 programStats.ok_to_send = 1;
1100 programStats.seen_stat = 0;
1103 * Initialize game list
1109 * Internet chess server status
1111 if (appData.icsActive) {
1112 appData.matchMode = FALSE;
1113 appData.matchGames = 0;
1115 appData.noChessProgram = !appData.zippyPlay;
1117 appData.zippyPlay = FALSE;
1118 appData.zippyTalk = FALSE;
1119 appData.noChessProgram = TRUE;
1121 if (*appData.icsHelper != NULLCHAR) {
1122 appData.useTelnet = TRUE;
1123 appData.telnetProgram = appData.icsHelper;
1126 appData.zippyTalk = appData.zippyPlay = FALSE;
1129 /* [AS] Initialize pv info list [HGM] and game state */
1133 for( i=0; i<=framePtr; i++ ) {
1134 pvInfoList[i].depth = -1;
1135 boards[i][EP_STATUS] = EP_NONE;
1136 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1142 /* [AS] Adjudication threshold */
1143 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1145 InitEngine(&first, 0);
1146 InitEngine(&second, 1);
1149 pairing.which = "pairing"; // pairing engine
1150 pairing.pr = NoProc;
1152 pairing.program = appData.pairingEngine;
1153 pairing.host = "localhost";
1156 if (appData.icsActive) {
1157 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1158 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1159 appData.clockMode = FALSE;
1160 first.sendTime = second.sendTime = 0;
1164 /* Override some settings from environment variables, for backward
1165 compatibility. Unfortunately it's not feasible to have the env
1166 vars just set defaults, at least in xboard. Ugh.
1168 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1173 if (!appData.icsActive) {
1177 /* Check for variants that are supported only in ICS mode,
1178 or not at all. Some that are accepted here nevertheless
1179 have bugs; see comments below.
1181 VariantClass variant = StringToVariant(appData.variant);
1183 case VariantBughouse: /* need four players and two boards */
1184 case VariantKriegspiel: /* need to hide pieces and move details */
1185 /* case VariantFischeRandom: (Fabien: moved below) */
1186 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1187 if( (len >= MSG_SIZ) && appData.debugMode )
1188 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1190 DisplayFatalError(buf, 0, 2);
1193 case VariantUnknown:
1194 case VariantLoadable:
1204 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1205 if( (len >= MSG_SIZ) && appData.debugMode )
1206 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1208 DisplayFatalError(buf, 0, 2);
1211 case VariantNormal: /* definitely works! */
1212 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1213 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1216 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1217 case VariantFairy: /* [HGM] TestLegality definitely off! */
1218 case VariantGothic: /* [HGM] should work */
1219 case VariantCapablanca: /* [HGM] should work */
1220 case VariantCourier: /* [HGM] initial forced moves not implemented */
1221 case VariantShogi: /* [HGM] could still mate with pawn drop */
1222 case VariantChu: /* [HGM] experimental */
1223 case VariantKnightmate: /* [HGM] should work */
1224 case VariantCylinder: /* [HGM] untested */
1225 case VariantFalcon: /* [HGM] untested */
1226 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1227 offboard interposition not understood */
1228 case VariantWildCastle: /* pieces not automatically shuffled */
1229 case VariantNoCastle: /* pieces not automatically shuffled */
1230 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1231 case VariantLosers: /* should work except for win condition,
1232 and doesn't know captures are mandatory */
1233 case VariantSuicide: /* should work except for win condition,
1234 and doesn't know captures are mandatory */
1235 case VariantGiveaway: /* should work except for win condition,
1236 and doesn't know captures are mandatory */
1237 case VariantTwoKings: /* should work */
1238 case VariantAtomic: /* should work except for win condition */
1239 case Variant3Check: /* should work except for win condition */
1240 case VariantShatranj: /* should work except for all win conditions */
1241 case VariantMakruk: /* should work except for draw countdown */
1242 case VariantASEAN : /* should work except for draw countdown */
1243 case VariantBerolina: /* might work if TestLegality is off */
1244 case VariantCapaRandom: /* should work */
1245 case VariantJanus: /* should work */
1246 case VariantSuper: /* experimental */
1247 case VariantGreat: /* experimental, requires legality testing to be off */
1248 case VariantSChess: /* S-Chess, should work */
1249 case VariantGrand: /* should work */
1250 case VariantSpartan: /* should work */
1251 case VariantLion: /* should work */
1252 case VariantChuChess: /* should work */
1260 NextIntegerFromString (char ** str, long * value)
1265 while( *s == ' ' || *s == '\t' ) {
1271 if( *s >= '0' && *s <= '9' ) {
1272 while( *s >= '0' && *s <= '9' ) {
1273 *value = *value * 10 + (*s - '0');
1286 NextTimeControlFromString (char ** str, long * value)
1289 int result = NextIntegerFromString( str, &temp );
1292 *value = temp * 60; /* Minutes */
1293 if( **str == ':' ) {
1295 result = NextIntegerFromString( str, &temp );
1296 *value += temp; /* Seconds */
1304 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1305 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1306 int result = -1, type = 0; long temp, temp2;
1308 if(**str != ':') return -1; // old params remain in force!
1310 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1311 if( NextIntegerFromString( str, &temp ) ) return -1;
1312 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1315 /* time only: incremental or sudden-death time control */
1316 if(**str == '+') { /* increment follows; read it */
1318 if(**str == '!') type = *(*str)++; // Bronstein TC
1319 if(result = NextIntegerFromString( str, &temp2)) return -1;
1320 *inc = temp2 * 1000;
1321 if(**str == '.') { // read fraction of increment
1322 char *start = ++(*str);
1323 if(result = NextIntegerFromString( str, &temp2)) return -1;
1325 while(start++ < *str) temp2 /= 10;
1329 *moves = 0; *tc = temp * 1000; *incType = type;
1333 (*str)++; /* classical time control */
1334 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1346 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1347 { /* [HGM] get time to add from the multi-session time-control string */
1348 int incType, moves=1; /* kludge to force reading of first session */
1349 long time, increment;
1352 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1354 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1355 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1356 if(movenr == -1) return time; /* last move before new session */
1357 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1358 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1359 if(!moves) return increment; /* current session is incremental */
1360 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1361 } while(movenr >= -1); /* try again for next session */
1363 return 0; // no new time quota on this move
1367 ParseTimeControl (char *tc, float ti, int mps)
1371 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1374 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1375 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1376 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1380 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1382 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1385 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1387 snprintf(buf, MSG_SIZ, ":%s", mytc);
1389 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1391 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1396 /* Parse second time control */
1399 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1407 timeControl_2 = tc2 * 1000;
1417 timeControl = tc1 * 1000;
1420 timeIncrement = ti * 1000; /* convert to ms */
1421 movesPerSession = 0;
1424 movesPerSession = mps;
1432 if (appData.debugMode) {
1433 # ifdef __GIT_VERSION
1434 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1436 fprintf(debugFP, "Version: %s\n", programVersion);
1439 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1441 set_cont_sequence(appData.wrapContSeq);
1442 if (appData.matchGames > 0) {
1443 appData.matchMode = TRUE;
1444 } else if (appData.matchMode) {
1445 appData.matchGames = 1;
1447 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1448 appData.matchGames = appData.sameColorGames;
1449 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1450 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1451 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1454 if (appData.noChessProgram || first.protocolVersion == 1) {
1457 /* kludge: allow timeout for initial "feature" commands */
1459 DisplayMessage("", _("Starting chess program"));
1460 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1465 CalculateIndex (int index, int gameNr)
1466 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1468 if(index > 0) return index; // fixed nmber
1469 if(index == 0) return 1;
1470 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1471 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1476 LoadGameOrPosition (int gameNr)
1477 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1478 if (*appData.loadGameFile != NULLCHAR) {
1479 if (!LoadGameFromFile(appData.loadGameFile,
1480 CalculateIndex(appData.loadGameIndex, gameNr),
1481 appData.loadGameFile, FALSE)) {
1482 DisplayFatalError(_("Bad game file"), 0, 1);
1485 } else if (*appData.loadPositionFile != NULLCHAR) {
1486 if (!LoadPositionFromFile(appData.loadPositionFile,
1487 CalculateIndex(appData.loadPositionIndex, gameNr),
1488 appData.loadPositionFile)) {
1489 DisplayFatalError(_("Bad position file"), 0, 1);
1497 ReserveGame (int gameNr, char resChar)
1499 FILE *tf = fopen(appData.tourneyFile, "r+");
1500 char *p, *q, c, buf[MSG_SIZ];
1501 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1502 safeStrCpy(buf, lastMsg, MSG_SIZ);
1503 DisplayMessage(_("Pick new game"), "");
1504 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1505 ParseArgsFromFile(tf);
1506 p = q = appData.results;
1507 if(appData.debugMode) {
1508 char *r = appData.participants;
1509 fprintf(debugFP, "results = '%s'\n", p);
1510 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1511 fprintf(debugFP, "\n");
1513 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1515 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1516 safeStrCpy(q, p, strlen(p) + 2);
1517 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1518 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1519 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1520 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1523 fseek(tf, -(strlen(p)+4), SEEK_END);
1525 if(c != '"') // depending on DOS or Unix line endings we can be one off
1526 fseek(tf, -(strlen(p)+2), SEEK_END);
1527 else fseek(tf, -(strlen(p)+3), SEEK_END);
1528 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1529 DisplayMessage(buf, "");
1530 free(p); appData.results = q;
1531 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1532 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1533 int round = appData.defaultMatchGames * appData.tourneyType;
1534 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1535 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1536 UnloadEngine(&first); // next game belongs to other pairing;
1537 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1539 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1543 MatchEvent (int mode)
1544 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1546 if(matchMode) { // already in match mode: switch it off
1548 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1551 // if(gameMode != BeginningOfGame) {
1552 // DisplayError(_("You can only start a match from the initial position."), 0);
1556 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1557 /* Set up machine vs. machine match */
1559 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1560 if(appData.tourneyFile[0]) {
1562 if(nextGame > appData.matchGames) {
1564 if(strchr(appData.results, '*') == NULL) {
1566 appData.tourneyCycles++;
1567 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1569 NextTourneyGame(-1, &dummy);
1571 if(nextGame <= appData.matchGames) {
1572 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1574 ScheduleDelayedEvent(NextMatchGame, 10000);
1579 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1580 DisplayError(buf, 0);
1581 appData.tourneyFile[0] = 0;
1585 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1586 DisplayFatalError(_("Can't have a match with no chess programs"),
1591 matchGame = roundNr = 1;
1592 first.matchWins = second.matchWins = totalTime = 0; // [HGM] match: needed in later matches
1597 InitBackEnd3 P((void))
1599 GameMode initialMode;
1603 ParseFeatures(appData.features[0], &first);
1604 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1605 !strcmp(appData.variant, "normal") && // no explicit variant request
1606 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1607 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1608 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1609 char c, *q = first.variants, *p = strchr(q, ',');
1610 if(p) *p = NULLCHAR;
1611 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1613 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1614 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1615 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1616 Reset(TRUE, FALSE); // and re-initialize
1621 InitChessProgram(&first, startedFromSetupPosition);
1623 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1624 free(programVersion);
1625 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1626 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1627 FloatToFront(&appData.recentEngineList, currentEngine[0] ? currentEngine[0] : appData.firstChessProgram);
1630 if (appData.icsActive) {
1632 /* [DM] Make a console window if needed [HGM] merged ifs */
1638 if (*appData.icsCommPort != NULLCHAR)
1639 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1640 appData.icsCommPort);
1642 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1643 appData.icsHost, appData.icsPort);
1645 if( (len >= MSG_SIZ) && appData.debugMode )
1646 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1648 DisplayFatalError(buf, err, 1);
1653 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1655 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1656 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1657 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1658 } else if (appData.noChessProgram) {
1664 if (*appData.cmailGameName != NULLCHAR) {
1666 OpenLoopback(&cmailPR);
1668 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1672 DisplayMessage("", "");
1673 if (StrCaseCmp(appData.initialMode, "") == 0) {
1674 initialMode = BeginningOfGame;
1675 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1676 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1677 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1678 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1681 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1682 initialMode = TwoMachinesPlay;
1683 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1684 initialMode = AnalyzeFile;
1685 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1686 initialMode = AnalyzeMode;
1687 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1688 initialMode = MachinePlaysWhite;
1689 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1690 initialMode = MachinePlaysBlack;
1691 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1692 initialMode = EditGame;
1693 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1694 initialMode = EditPosition;
1695 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1696 initialMode = Training;
1698 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1699 if( (len >= MSG_SIZ) && appData.debugMode )
1700 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1702 DisplayFatalError(buf, 0, 2);
1706 if (appData.matchMode) {
1707 if(appData.tourneyFile[0]) { // start tourney from command line
1709 if(f = fopen(appData.tourneyFile, "r")) {
1710 ParseArgsFromFile(f); // make sure tourney parmeters re known
1712 appData.clockMode = TRUE;
1714 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1717 } else if (*appData.cmailGameName != NULLCHAR) {
1718 /* Set up cmail mode */
1719 ReloadCmailMsgEvent(TRUE);
1721 /* Set up other modes */
1722 if (initialMode == AnalyzeFile) {
1723 if (*appData.loadGameFile == NULLCHAR) {
1724 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1728 if (*appData.loadGameFile != NULLCHAR) {
1729 (void) LoadGameFromFile(appData.loadGameFile,
1730 appData.loadGameIndex,
1731 appData.loadGameFile, TRUE);
1732 } else if (*appData.loadPositionFile != NULLCHAR) {
1733 (void) LoadPositionFromFile(appData.loadPositionFile,
1734 appData.loadPositionIndex,
1735 appData.loadPositionFile);
1736 /* [HGM] try to make self-starting even after FEN load */
1737 /* to allow automatic setup of fairy variants with wtm */
1738 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1739 gameMode = BeginningOfGame;
1740 setboardSpoiledMachineBlack = 1;
1742 /* [HGM] loadPos: make that every new game uses the setup */
1743 /* from file as long as we do not switch variant */
1744 if(!blackPlaysFirst) {
1745 startedFromPositionFile = TRUE;
1746 CopyBoard(filePosition, boards[0]);
1747 CopyBoard(initialPosition, boards[0]);
1749 } else if(*appData.fen != NULLCHAR) {
1750 if(ParseFEN(filePosition, &blackPlaysFirst, appData.fen, TRUE) && !blackPlaysFirst) {
1751 startedFromPositionFile = TRUE;
1755 if (initialMode == AnalyzeMode) {
1756 if (appData.noChessProgram) {
1757 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1760 if (appData.icsActive) {
1761 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1765 } else if (initialMode == AnalyzeFile) {
1766 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1767 ShowThinkingEvent();
1769 AnalysisPeriodicEvent(1);
1770 } else if (initialMode == MachinePlaysWhite) {
1771 if (appData.noChessProgram) {
1772 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1776 if (appData.icsActive) {
1777 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1781 MachineWhiteEvent();
1782 } else if (initialMode == MachinePlaysBlack) {
1783 if (appData.noChessProgram) {
1784 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1788 if (appData.icsActive) {
1789 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1793 MachineBlackEvent();
1794 } else if (initialMode == TwoMachinesPlay) {
1795 if (appData.noChessProgram) {
1796 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1800 if (appData.icsActive) {
1801 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1806 } else if (initialMode == EditGame) {
1808 } else if (initialMode == EditPosition) {
1809 EditPositionEvent();
1810 } else if (initialMode == Training) {
1811 if (*appData.loadGameFile == NULLCHAR) {
1812 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1821 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1823 DisplayBook(current+1);
1825 MoveHistorySet( movelist, first, last, current, pvInfoList );
1827 EvalGraphSet( first, last, current, pvInfoList );
1829 MakeEngineOutputTitle();
1833 * Establish will establish a contact to a remote host.port.
1834 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1835 * used to talk to the host.
1836 * Returns 0 if okay, error code if not.
1843 if (*appData.icsCommPort != NULLCHAR) {
1844 /* Talk to the host through a serial comm port */
1845 return OpenCommPort(appData.icsCommPort, &icsPR);
1847 } else if (*appData.gateway != NULLCHAR) {
1848 if (*appData.remoteShell == NULLCHAR) {
1849 /* Use the rcmd protocol to run telnet program on a gateway host */
1850 snprintf(buf, sizeof(buf), "%s %s %s",
1851 appData.telnetProgram, appData.icsHost, appData.icsPort);
1852 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1855 /* Use the rsh program to run telnet program on a gateway host */
1856 if (*appData.remoteUser == NULLCHAR) {
1857 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1858 appData.gateway, appData.telnetProgram,
1859 appData.icsHost, appData.icsPort);
1861 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1862 appData.remoteShell, appData.gateway,
1863 appData.remoteUser, appData.telnetProgram,
1864 appData.icsHost, appData.icsPort);
1866 return StartChildProcess(buf, "", &icsPR);
1869 } else if (appData.useTelnet) {
1870 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1873 /* TCP socket interface differs somewhat between
1874 Unix and NT; handle details in the front end.
1876 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1881 EscapeExpand (char *p, char *q)
1882 { // [HGM] initstring: routine to shape up string arguments
1883 while(*p++ = *q++) if(p[-1] == '\\')
1885 case 'n': p[-1] = '\n'; break;
1886 case 'r': p[-1] = '\r'; break;
1887 case 't': p[-1] = '\t'; break;
1888 case '\\': p[-1] = '\\'; break;
1889 case 0: *p = 0; return;
1890 default: p[-1] = q[-1]; break;
1895 show_bytes (FILE *fp, char *buf, int count)
1898 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1899 fprintf(fp, "\\%03o", *buf & 0xff);
1908 /* Returns an errno value */
1910 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1912 char buf[8192], *p, *q, *buflim;
1913 int left, newcount, outcount;
1915 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1916 *appData.gateway != NULLCHAR) {
1917 if (appData.debugMode) {
1918 fprintf(debugFP, ">ICS: ");
1919 show_bytes(debugFP, message, count);
1920 fprintf(debugFP, "\n");
1922 return OutputToProcess(pr, message, count, outError);
1925 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1932 if (appData.debugMode) {
1933 fprintf(debugFP, ">ICS: ");
1934 show_bytes(debugFP, buf, newcount);
1935 fprintf(debugFP, "\n");
1937 outcount = OutputToProcess(pr, buf, newcount, outError);
1938 if (outcount < newcount) return -1; /* to be sure */
1945 } else if (((unsigned char) *p) == TN_IAC) {
1946 *q++ = (char) TN_IAC;
1953 if (appData.debugMode) {
1954 fprintf(debugFP, ">ICS: ");
1955 show_bytes(debugFP, buf, newcount);
1956 fprintf(debugFP, "\n");
1958 outcount = OutputToProcess(pr, buf, newcount, outError);
1959 if (outcount < newcount) return -1; /* to be sure */
1964 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1966 int outError, outCount;
1967 static int gotEof = 0;
1970 /* Pass data read from player on to ICS */
1973 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1974 if (outCount < count) {
1975 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1977 if(have_sent_ICS_logon == 2) {
1978 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1979 fprintf(ini, "%s", message);
1980 have_sent_ICS_logon = 3;
1982 have_sent_ICS_logon = 1;
1983 } else if(have_sent_ICS_logon == 3) {
1984 fprintf(ini, "%s", message);
1986 have_sent_ICS_logon = 1;
1988 } else if (count < 0) {
1989 RemoveInputSource(isr);
1990 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1991 } else if (gotEof++ > 0) {
1992 RemoveInputSource(isr);
1993 DisplayFatalError(_("Got end of file from keyboard"), 0, 666); // [HGM] 666 is kludge to alert front end
1999 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
2000 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
2001 connectionAlive = FALSE; // only sticks if no response to 'date' command.
2002 SendToICS("date\n");
2003 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
2006 /* added routine for printf style output to ics */
2008 ics_printf (char *format, ...)
2010 char buffer[MSG_SIZ];
2013 va_start(args, format);
2014 vsnprintf(buffer, sizeof(buffer), format, args);
2015 buffer[sizeof(buffer)-1] = '\0';
2023 int count, outCount, outError;
2025 if (icsPR == NoProc) return;
2028 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2029 if (outCount < count) {
2030 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2034 /* This is used for sending logon scripts to the ICS. Sending
2035 without a delay causes problems when using timestamp on ICC
2036 (at least on my machine). */
2038 SendToICSDelayed (char *s, long msdelay)
2040 int count, outCount, outError;
2042 if (icsPR == NoProc) return;
2045 if (appData.debugMode) {
2046 fprintf(debugFP, ">ICS: ");
2047 show_bytes(debugFP, s, count);
2048 fprintf(debugFP, "\n");
2050 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2052 if (outCount < count) {
2053 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2058 /* Remove all highlighting escape sequences in s
2059 Also deletes any suffix starting with '('
2062 StripHighlightAndTitle (char *s)
2064 static char retbuf[MSG_SIZ];
2067 while (*s != NULLCHAR) {
2068 while (*s == '\033') {
2069 while (*s != NULLCHAR && !isalpha(*s)) s++;
2070 if (*s != NULLCHAR) s++;
2072 while (*s != NULLCHAR && *s != '\033') {
2073 if (*s == '(' || *s == '[') {
2084 /* Remove all highlighting escape sequences in s */
2086 StripHighlight (char *s)
2088 static char retbuf[MSG_SIZ];
2091 while (*s != NULLCHAR) {
2092 while (*s == '\033') {
2093 while (*s != NULLCHAR && !isalpha(*s)) s++;
2094 if (*s != NULLCHAR) s++;
2096 while (*s != NULLCHAR && *s != '\033') {
2104 char engineVariant[MSG_SIZ];
2105 char *variantNames[] = VARIANT_NAMES;
2107 VariantName (VariantClass v)
2109 if(v == VariantUnknown || *engineVariant) return engineVariant;
2110 return variantNames[v];
2114 /* Identify a variant from the strings the chess servers use or the
2115 PGN Variant tag names we use. */
2117 StringToVariant (char *e)
2121 VariantClass v = VariantNormal;
2122 int i, found = FALSE;
2123 char buf[MSG_SIZ], c;
2128 /* [HGM] skip over optional board-size prefixes */
2129 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2130 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2131 while( *e++ != '_');
2134 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2138 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2139 if (p = StrCaseStr(e, variantNames[i])) {
2140 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2141 v = (VariantClass) i;
2148 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2149 || StrCaseStr(e, "wild/fr")
2150 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2151 v = VariantFischeRandom;
2152 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2153 (i = 1, p = StrCaseStr(e, "w"))) {
2155 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2162 case 0: /* FICS only, actually */
2164 /* Castling legal even if K starts on d-file */
2165 v = VariantWildCastle;
2170 /* Castling illegal even if K & R happen to start in
2171 normal positions. */
2172 v = VariantNoCastle;
2185 /* Castling legal iff K & R start in normal positions */
2191 /* Special wilds for position setup; unclear what to do here */
2192 v = VariantLoadable;
2195 /* Bizarre ICC game */
2196 v = VariantTwoKings;
2199 v = VariantKriegspiel;
2205 v = VariantFischeRandom;
2208 v = VariantCrazyhouse;
2211 v = VariantBughouse;
2217 /* Not quite the same as FICS suicide! */
2218 v = VariantGiveaway;
2224 v = VariantShatranj;
2227 /* Temporary names for future ICC types. The name *will* change in
2228 the next xboard/WinBoard release after ICC defines it. */
2266 v = VariantCapablanca;
2269 v = VariantKnightmate;
2275 v = VariantCylinder;
2281 v = VariantCapaRandom;
2284 v = VariantBerolina;
2296 /* Found "wild" or "w" in the string but no number;
2297 must assume it's normal chess. */
2301 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2302 if( (len >= MSG_SIZ) && appData.debugMode )
2303 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2305 DisplayError(buf, 0);
2311 if (appData.debugMode) {
2312 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2313 e, wnum, VariantName(v));
2318 static int leftover_start = 0, leftover_len = 0;
2319 char star_match[STAR_MATCH_N][MSG_SIZ];
2321 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2322 advance *index beyond it, and set leftover_start to the new value of
2323 *index; else return FALSE. If pattern contains the character '*', it
2324 matches any sequence of characters not containing '\r', '\n', or the
2325 character following the '*' (if any), and the matched sequence(s) are
2326 copied into star_match.
2329 looking_at ( char *buf, int *index, char *pattern)
2331 char *bufp = &buf[*index], *patternp = pattern;
2333 char *matchp = star_match[0];
2336 if (*patternp == NULLCHAR) {
2337 *index = leftover_start = bufp - buf;
2341 if (*bufp == NULLCHAR) return FALSE;
2342 if (*patternp == '*') {
2343 if (*bufp == *(patternp + 1)) {
2345 matchp = star_match[++star_count];
2349 } else if (*bufp == '\n' || *bufp == '\r') {
2351 if (*patternp == NULLCHAR)
2356 *matchp++ = *bufp++;
2360 if (*patternp != *bufp) return FALSE;
2367 SendToPlayer (char *data, int length)
2369 int error, outCount;
2370 outCount = OutputToProcess(NoProc, data, length, &error);
2371 if (outCount < length) {
2372 DisplayFatalError(_("Error writing to display"), error, 1);
2377 PackHolding (char packed[], char *holding)
2387 switch (runlength) {
2398 sprintf(q, "%d", runlength);
2410 /* Telnet protocol requests from the front end */
2412 TelnetRequest (unsigned char ddww, unsigned char option)
2414 unsigned char msg[3];
2415 int outCount, outError;
2417 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2419 if (appData.debugMode) {
2420 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2436 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2445 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2448 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2453 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2455 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2462 if (!appData.icsActive) return;
2463 TelnetRequest(TN_DO, TN_ECHO);
2469 if (!appData.icsActive) return;
2470 TelnetRequest(TN_DONT, TN_ECHO);
2474 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2476 /* put the holdings sent to us by the server on the board holdings area */
2477 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2481 if(gameInfo.holdingsWidth < 2) return;
2482 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2483 return; // prevent overwriting by pre-board holdings
2485 if( (int)lowestPiece >= BlackPawn ) {
2488 holdingsStartRow = handSize-1;
2491 holdingsColumn = BOARD_WIDTH-1;
2492 countsColumn = BOARD_WIDTH-2;
2493 holdingsStartRow = 0;
2497 for(i=0; i<BOARD_RANKS-1; i++) { /* clear holdings */
2498 board[i][holdingsColumn] = EmptySquare;
2499 board[i][countsColumn] = (ChessSquare) 0;
2501 while( (p=*holdings++) != NULLCHAR ) {
2502 piece = CharToPiece( ToUpper(p) );
2503 if(piece == EmptySquare) continue;
2504 /*j = (int) piece - (int) WhitePawn;*/
2505 j = PieceToNumber(piece);
2506 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2507 if(j < 0) continue; /* should not happen */
2508 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2509 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2510 board[holdingsStartRow+j*direction][countsColumn]++;
2516 VariantSwitch (Board board, VariantClass newVariant)
2518 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2519 static Board oldBoard;
2521 startedFromPositionFile = FALSE;
2522 if(gameInfo.variant == newVariant) return;
2524 /* [HGM] This routine is called each time an assignment is made to
2525 * gameInfo.variant during a game, to make sure the board sizes
2526 * are set to match the new variant. If that means adding or deleting
2527 * holdings, we shift the playing board accordingly
2528 * This kludge is needed because in ICS observe mode, we get boards
2529 * of an ongoing game without knowing the variant, and learn about the
2530 * latter only later. This can be because of the move list we requested,
2531 * in which case the game history is refilled from the beginning anyway,
2532 * but also when receiving holdings of a crazyhouse game. In the latter
2533 * case we want to add those holdings to the already received position.
2537 if (appData.debugMode) {
2538 fprintf(debugFP, "Switch board from %s to %s\n",
2539 VariantName(gameInfo.variant), VariantName(newVariant));
2540 setbuf(debugFP, NULL);
2542 shuffleOpenings = 0; /* [HGM] shuffle */
2543 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2547 newWidth = 9; newHeight = 9;
2548 gameInfo.holdingsSize = 7;
2549 case VariantBughouse:
2550 case VariantCrazyhouse:
2551 newHoldingsWidth = 2; break;
2555 newHoldingsWidth = 2;
2556 gameInfo.holdingsSize = 8;
2559 case VariantCapablanca:
2560 case VariantCapaRandom:
2563 newHoldingsWidth = gameInfo.holdingsSize = 0;
2566 if(newWidth != gameInfo.boardWidth ||
2567 newHeight != gameInfo.boardHeight ||
2568 newHoldingsWidth != gameInfo.holdingsWidth ) {
2570 /* shift position to new playing area, if needed */
2571 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2572 for(i=0; i<BOARD_HEIGHT; i++)
2573 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2574 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2576 for(i=0; i<newHeight; i++) {
2577 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2578 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2580 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2581 for(i=0; i<BOARD_HEIGHT; i++)
2582 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2583 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2586 board[HOLDINGS_SET] = 0;
2587 gameInfo.boardWidth = newWidth;
2588 gameInfo.boardHeight = newHeight;
2589 gameInfo.holdingsWidth = newHoldingsWidth;
2590 gameInfo.variant = newVariant;
2591 InitDrawingSizes(-2, 0);
2592 } else gameInfo.variant = newVariant;
2593 CopyBoard(oldBoard, board); // remember correctly formatted board
2594 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2595 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2598 static int loggedOn = FALSE;
2600 /*-- Game start info cache: --*/
2602 char gs_kind[MSG_SIZ];
2603 static char player1Name[128] = "";
2604 static char player2Name[128] = "";
2605 static char cont_seq[] = "\n\\ ";
2606 static int player1Rating = -1;
2607 static int player2Rating = -1;
2608 /*----------------------------*/
2610 ColorClass curColor = ColorNormal;
2611 int suppressKibitz = 0;
2614 Boolean soughtPending = FALSE;
2615 Boolean seekGraphUp;
2616 #define MAX_SEEK_ADS 200
2618 char *seekAdList[MAX_SEEK_ADS];
2619 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2620 float tcList[MAX_SEEK_ADS];
2621 char colorList[MAX_SEEK_ADS];
2622 int nrOfSeekAds = 0;
2623 int minRating = 1010, maxRating = 2800;
2624 int hMargin = 10, vMargin = 20, h, w;
2625 extern int squareSize, lineGap;
2630 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2631 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2632 if(r < minRating+100 && r >=0 ) r = minRating+100;
2633 if(r > maxRating) r = maxRating;
2634 if(tc < 1.f) tc = 1.f;
2635 if(tc > 95.f) tc = 95.f;
2636 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2637 y = ((double)r - minRating)/(maxRating - minRating)
2638 * (h-vMargin-squareSize/8-1) + vMargin;
2639 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2640 if(strstr(seekAdList[i], " u ")) color = 1;
2641 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2642 !strstr(seekAdList[i], "bullet") &&
2643 !strstr(seekAdList[i], "blitz") &&
2644 !strstr(seekAdList[i], "standard") ) color = 2;
2645 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2646 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2650 PlotSingleSeekAd (int i)
2656 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2658 char buf[MSG_SIZ], *ext = "";
2659 VariantClass v = StringToVariant(type);
2660 if(strstr(type, "wild")) {
2661 ext = type + 4; // append wild number
2662 if(v == VariantFischeRandom) type = "chess960"; else
2663 if(v == VariantLoadable) type = "setup"; else
2664 type = VariantName(v);
2666 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2667 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2668 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2669 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2670 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2671 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2672 seekNrList[nrOfSeekAds] = nr;
2673 zList[nrOfSeekAds] = 0;
2674 seekAdList[nrOfSeekAds++] = StrSave(buf);
2675 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2680 EraseSeekDot (int i)
2682 int x = xList[i], y = yList[i], d=squareSize/4, k;
2683 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2684 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2685 // now replot every dot that overlapped
2686 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2687 int xx = xList[k], yy = yList[k];
2688 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2689 DrawSeekDot(xx, yy, colorList[k]);
2694 RemoveSeekAd (int nr)
2697 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2699 if(seekAdList[i]) free(seekAdList[i]);
2700 seekAdList[i] = seekAdList[--nrOfSeekAds];
2701 seekNrList[i] = seekNrList[nrOfSeekAds];
2702 ratingList[i] = ratingList[nrOfSeekAds];
2703 colorList[i] = colorList[nrOfSeekAds];
2704 tcList[i] = tcList[nrOfSeekAds];
2705 xList[i] = xList[nrOfSeekAds];
2706 yList[i] = yList[nrOfSeekAds];
2707 zList[i] = zList[nrOfSeekAds];
2708 seekAdList[nrOfSeekAds] = NULL;
2714 MatchSoughtLine (char *line)
2716 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2717 int nr, base, inc, u=0; char dummy;
2719 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2720 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2722 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2723 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2724 // match: compact and save the line
2725 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2735 if(!seekGraphUp) return FALSE;
2736 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2737 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2739 DrawSeekBackground(0, 0, w, h);
2740 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2741 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2742 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2743 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2745 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2748 snprintf(buf, MSG_SIZ, "%d", i);
2749 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2752 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2753 for(i=1; i<100; i+=(i<10?1:5)) {
2754 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2755 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2756 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2758 snprintf(buf, MSG_SIZ, "%d", i);
2759 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2762 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2767 SeekGraphClick (ClickType click, int x, int y, int moving)
2769 static int lastDown = 0, displayed = 0, lastSecond;
2770 if(y < 0) return FALSE;
2771 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2772 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2773 if(!seekGraphUp) return FALSE;
2774 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2775 DrawPosition(TRUE, NULL);
2778 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2779 if(click == Release || moving) return FALSE;
2781 soughtPending = TRUE;
2782 SendToICS(ics_prefix);
2783 SendToICS("sought\n"); // should this be "sought all"?
2784 } else { // issue challenge based on clicked ad
2785 int dist = 10000; int i, closest = 0, second = 0;
2786 for(i=0; i<nrOfSeekAds; i++) {
2787 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2788 if(d < dist) { dist = d; closest = i; }
2789 second += (d - zList[i] < 120); // count in-range ads
2790 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2794 second = (second > 1);
2795 if(displayed != closest || second != lastSecond) {
2796 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2797 lastSecond = second; displayed = closest;
2799 if(click == Press) {
2800 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2803 } // on press 'hit', only show info
2804 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2805 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2806 SendToICS(ics_prefix);
2808 return TRUE; // let incoming board of started game pop down the graph
2809 } else if(click == Release) { // release 'miss' is ignored
2810 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2811 if(moving == 2) { // right up-click
2812 nrOfSeekAds = 0; // refresh graph
2813 soughtPending = TRUE;
2814 SendToICS(ics_prefix);
2815 SendToICS("sought\n"); // should this be "sought all"?
2818 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2819 // press miss or release hit 'pop down' seek graph
2820 seekGraphUp = FALSE;
2821 DrawPosition(TRUE, NULL);
2827 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2829 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2830 #define STARTED_NONE 0
2831 #define STARTED_MOVES 1
2832 #define STARTED_BOARD 2
2833 #define STARTED_OBSERVE 3
2834 #define STARTED_HOLDINGS 4
2835 #define STARTED_CHATTER 5
2836 #define STARTED_COMMENT 6
2837 #define STARTED_MOVES_NOHIDE 7
2839 static int started = STARTED_NONE;
2840 static char parse[20000];
2841 static int parse_pos = 0;
2842 static char buf[BUF_SIZE + 1];
2843 static int firstTime = TRUE, intfSet = FALSE;
2844 static ColorClass prevColor = ColorNormal;
2845 static int savingComment = FALSE;
2846 static int cmatch = 0; // continuation sequence match
2853 int backup; /* [DM] For zippy color lines */
2855 char talker[MSG_SIZ]; // [HGM] chat
2856 int channel, collective=0;
2858 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2860 if (appData.debugMode) {
2862 fprintf(debugFP, "<ICS: ");
2863 show_bytes(debugFP, data, count);
2864 fprintf(debugFP, "\n");
2868 if (appData.debugMode) { int f = forwardMostMove;
2869 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2870 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2871 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2874 /* If last read ended with a partial line that we couldn't parse,
2875 prepend it to the new read and try again. */
2876 if (leftover_len > 0) {
2877 for (i=0; i<leftover_len; i++)
2878 buf[i] = buf[leftover_start + i];
2881 /* copy new characters into the buffer */
2882 bp = buf + leftover_len;
2883 buf_len=leftover_len;
2884 for (i=0; i<count; i++)
2887 if (data[i] == '\r')
2890 // join lines split by ICS?
2891 if (!appData.noJoin)
2894 Joining just consists of finding matches against the
2895 continuation sequence, and discarding that sequence
2896 if found instead of copying it. So, until a match
2897 fails, there's nothing to do since it might be the
2898 complete sequence, and thus, something we don't want
2901 if (data[i] == cont_seq[cmatch])
2904 if (cmatch == strlen(cont_seq))
2906 cmatch = 0; // complete match. just reset the counter
2909 it's possible for the ICS to not include the space
2910 at the end of the last word, making our [correct]
2911 join operation fuse two separate words. the server
2912 does this when the space occurs at the width setting.
2914 if (!buf_len || buf[buf_len-1] != ' ')
2925 match failed, so we have to copy what matched before
2926 falling through and copying this character. In reality,
2927 this will only ever be just the newline character, but
2928 it doesn't hurt to be precise.
2930 strncpy(bp, cont_seq, cmatch);
2942 buf[buf_len] = NULLCHAR;
2943 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2948 while (i < buf_len) {
2949 /* Deal with part of the TELNET option negotiation
2950 protocol. We refuse to do anything beyond the
2951 defaults, except that we allow the WILL ECHO option,
2952 which ICS uses to turn off password echoing when we are
2953 directly connected to it. We reject this option
2954 if localLineEditing mode is on (always on in xboard)
2955 and we are talking to port 23, which might be a real
2956 telnet server that will try to keep WILL ECHO on permanently.
2958 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2959 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2960 unsigned char option;
2962 switch ((unsigned char) buf[++i]) {
2964 if (appData.debugMode)
2965 fprintf(debugFP, "\n<WILL ");
2966 switch (option = (unsigned char) buf[++i]) {
2968 if (appData.debugMode)
2969 fprintf(debugFP, "ECHO ");
2970 /* Reply only if this is a change, according
2971 to the protocol rules. */
2972 if (remoteEchoOption) break;
2973 if (appData.localLineEditing &&
2974 atoi(appData.icsPort) == TN_PORT) {
2975 TelnetRequest(TN_DONT, TN_ECHO);
2978 TelnetRequest(TN_DO, TN_ECHO);
2979 remoteEchoOption = TRUE;
2983 if (appData.debugMode)
2984 fprintf(debugFP, "%d ", option);
2985 /* Whatever this is, we don't want it. */
2986 TelnetRequest(TN_DONT, option);
2991 if (appData.debugMode)
2992 fprintf(debugFP, "\n<WONT ");
2993 switch (option = (unsigned char) buf[++i]) {
2995 if (appData.debugMode)
2996 fprintf(debugFP, "ECHO ");
2997 /* Reply only if this is a change, according
2998 to the protocol rules. */
2999 if (!remoteEchoOption) break;
3001 TelnetRequest(TN_DONT, TN_ECHO);
3002 remoteEchoOption = FALSE;
3005 if (appData.debugMode)
3006 fprintf(debugFP, "%d ", (unsigned char) option);
3007 /* Whatever this is, it must already be turned
3008 off, because we never agree to turn on
3009 anything non-default, so according to the
3010 protocol rules, we don't reply. */
3015 if (appData.debugMode)
3016 fprintf(debugFP, "\n<DO ");
3017 switch (option = (unsigned char) buf[++i]) {
3019 /* Whatever this is, we refuse to do it. */
3020 if (appData.debugMode)
3021 fprintf(debugFP, "%d ", option);
3022 TelnetRequest(TN_WONT, option);
3027 if (appData.debugMode)
3028 fprintf(debugFP, "\n<DONT ");
3029 switch (option = (unsigned char) buf[++i]) {
3031 if (appData.debugMode)
3032 fprintf(debugFP, "%d ", option);
3033 /* Whatever this is, we are already not doing
3034 it, because we never agree to do anything
3035 non-default, so according to the protocol
3036 rules, we don't reply. */
3041 if (appData.debugMode)
3042 fprintf(debugFP, "\n<IAC ");
3043 /* Doubled IAC; pass it through */
3047 if (appData.debugMode)
3048 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3049 /* Drop all other telnet commands on the floor */
3052 if (oldi > next_out)
3053 SendToPlayer(&buf[next_out], oldi - next_out);
3059 /* OK, this at least will *usually* work */
3060 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3064 if (loggedOn && !intfSet) {
3065 if (ics_type == ICS_ICC) {
3066 snprintf(str, MSG_SIZ,
3067 "/set-quietly interface %s\n/set-quietly style 12\n",
3069 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3070 strcat(str, "/set-2 51 1\n/set seek 1\n");
3071 } else if (ics_type == ICS_CHESSNET) {
3072 snprintf(str, MSG_SIZ, "/style 12\n");
3074 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3075 strcat(str, programVersion);
3076 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3077 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3078 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3080 strcat(str, "$iset nohighlight 1\n");
3082 strcat(str, "$iset lock 1\n$style 12\n");
3085 NotifyFrontendLogin();
3089 if (started == STARTED_COMMENT) {
3090 /* Accumulate characters in comment */
3091 parse[parse_pos++] = buf[i];
3092 if (buf[i] == '\n') {
3093 parse[parse_pos] = NULLCHAR;
3094 if(chattingPartner>=0) {
3096 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3097 OutputChatMessage(chattingPartner, mess);
3098 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3100 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3101 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3102 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3103 OutputChatMessage(p, mess);
3107 chattingPartner = -1;
3108 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3111 if(!suppressKibitz) // [HGM] kibitz
3112 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3113 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3114 int nrDigit = 0, nrAlph = 0, j;
3115 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3116 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3117 parse[parse_pos] = NULLCHAR;
3118 // try to be smart: if it does not look like search info, it should go to
3119 // ICS interaction window after all, not to engine-output window.
3120 for(j=0; j<parse_pos; j++) { // count letters and digits
3121 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3122 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3123 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3125 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3126 int depth=0; float score;
3127 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3128 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3129 pvInfoList[forwardMostMove-1].depth = depth;
3130 pvInfoList[forwardMostMove-1].score = 100*score;
3132 OutputKibitz(suppressKibitz, parse);
3135 if(gameMode == IcsObserving) // restore original ICS messages
3136 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3137 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3139 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3140 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3141 SendToPlayer(tmp, strlen(tmp));
3143 next_out = i+1; // [HGM] suppress printing in ICS window
3145 started = STARTED_NONE;
3147 /* Don't match patterns against characters in comment */
3152 if (started == STARTED_CHATTER) {
3153 if (buf[i] != '\n') {
3154 /* Don't match patterns against characters in chatter */
3158 started = STARTED_NONE;
3159 if(suppressKibitz) next_out = i+1;
3162 /* Kludge to deal with rcmd protocol */
3163 if (firstTime && looking_at(buf, &i, "\001*")) {
3164 DisplayFatalError(&buf[1], 0, 1);
3170 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3173 if (appData.debugMode)
3174 fprintf(debugFP, "ics_type %d\n", ics_type);
3177 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3178 ics_type = ICS_FICS;
3180 if (appData.debugMode)
3181 fprintf(debugFP, "ics_type %d\n", ics_type);
3184 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3185 ics_type = ICS_CHESSNET;
3187 if (appData.debugMode)
3188 fprintf(debugFP, "ics_type %d\n", ics_type);
3193 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3194 looking_at(buf, &i, "Logging you in as \"*\"") ||
3195 looking_at(buf, &i, "will be \"*\""))) {
3196 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3200 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3202 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3203 DisplayIcsInteractionTitle(buf);
3204 have_set_title = TRUE;
3207 /* skip finger notes */
3208 if (started == STARTED_NONE &&
3209 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3210 (buf[i] == '1' && buf[i+1] == '0')) &&
3211 buf[i+2] == ':' && buf[i+3] == ' ') {
3212 started = STARTED_CHATTER;
3218 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3219 if(appData.seekGraph) {
3220 if(soughtPending && MatchSoughtLine(buf+i)) {
3221 i = strstr(buf+i, "rated") - buf;
3222 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3223 next_out = leftover_start = i;
3224 started = STARTED_CHATTER;
3225 suppressKibitz = TRUE;
3228 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3229 && looking_at(buf, &i, "* ads displayed")) {
3230 soughtPending = FALSE;
3235 if(appData.autoRefresh) {
3236 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3237 int s = (ics_type == ICS_ICC); // ICC format differs
3239 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3240 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3241 looking_at(buf, &i, "*% "); // eat prompt
3242 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3243 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3244 next_out = i; // suppress
3247 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3248 char *p = star_match[0];
3250 if(seekGraphUp) RemoveSeekAd(atoi(p));
3251 while(*p && *p++ != ' '); // next
3253 looking_at(buf, &i, "*% "); // eat prompt
3254 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3261 /* skip formula vars */
3262 if (started == STARTED_NONE &&
3263 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3264 started = STARTED_CHATTER;
3269 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3270 if (appData.autoKibitz && started == STARTED_NONE &&
3271 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3272 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3273 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3274 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3275 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3276 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3277 suppressKibitz = TRUE;
3278 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3280 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3281 && (gameMode == IcsPlayingWhite)) ||
3282 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3283 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3284 started = STARTED_CHATTER; // own kibitz we simply discard
3286 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3287 parse_pos = 0; parse[0] = NULLCHAR;
3288 savingComment = TRUE;
3289 suppressKibitz = gameMode != IcsObserving ? 2 :
3290 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3294 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3295 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3296 && atoi(star_match[0])) {
3297 // suppress the acknowledgements of our own autoKibitz
3299 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3300 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3301 SendToPlayer(star_match[0], strlen(star_match[0]));
3302 if(looking_at(buf, &i, "*% ")) // eat prompt
3303 suppressKibitz = FALSE;
3307 } // [HGM] kibitz: end of patch
3309 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3311 // [HGM] chat: intercept tells by users for which we have an open chat window
3313 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3314 looking_at(buf, &i, "* whispers:") ||
3315 looking_at(buf, &i, "* kibitzes:") ||
3316 looking_at(buf, &i, "* shouts:") ||
3317 looking_at(buf, &i, "* c-shouts:") ||
3318 looking_at(buf, &i, "--> * ") ||
3319 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3320 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3321 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3322 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3324 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3325 chattingPartner = -1; collective = 0;
3327 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3328 for(p=0; p<MAX_CHAT; p++) {
3330 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3331 talker[0] = '['; strcat(talker, "] ");
3332 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3333 chattingPartner = p; break;
3336 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3337 for(p=0; p<MAX_CHAT; p++) {
3339 if(!strcmp("kibitzes", chatPartner[p])) {
3340 talker[0] = '['; strcat(talker, "] ");
3341 chattingPartner = p; break;
3344 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3345 for(p=0; p<MAX_CHAT; p++) {
3347 if(!strcmp("whispers", chatPartner[p])) {
3348 talker[0] = '['; strcat(talker, "] ");
3349 chattingPartner = p; break;
3352 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3353 if(buf[i-8] == '-' && buf[i-3] == 't')
3354 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3356 if(!strcmp("c-shouts", chatPartner[p])) {
3357 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3358 chattingPartner = p; break;
3361 if(chattingPartner < 0)
3362 for(p=0; p<MAX_CHAT; p++) {
3364 if(!strcmp("shouts", chatPartner[p])) {
3365 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3366 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3367 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3368 chattingPartner = p; break;
3372 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3373 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3375 Colorize(ColorTell, FALSE);
3376 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3378 chattingPartner = p; break;
3380 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3381 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3382 started = STARTED_COMMENT;
3383 parse_pos = 0; parse[0] = NULLCHAR;
3384 savingComment = 3 + chattingPartner; // counts as TRUE
3385 if(collective == 3) i = oldi; else {
3386 suppressKibitz = TRUE;
3387 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3388 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3392 } // [HGM] chat: end of patch
3395 if (appData.zippyTalk || appData.zippyPlay) {
3396 /* [DM] Backup address for color zippy lines */
3398 if (loggedOn == TRUE)
3399 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3400 (appData.zippyPlay && ZippyMatch(buf, &backup)))
3403 } // [DM] 'else { ' deleted
3405 /* Regular tells and says */
3406 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3407 looking_at(buf, &i, "* (your partner) tells you: ") ||
3408 looking_at(buf, &i, "* says: ") ||
3409 /* Don't color "message" or "messages" output */
3410 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3411 looking_at(buf, &i, "*. * at *:*: ") ||
3412 looking_at(buf, &i, "--* (*:*): ") ||
3413 /* Message notifications (same color as tells) */
3414 looking_at(buf, &i, "* has left a message ") ||
3415 looking_at(buf, &i, "* just sent you a message:\n") ||
3416 /* Whispers and kibitzes */
3417 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3418 looking_at(buf, &i, "* kibitzes: ") ||
3420 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3422 if (tkind == 1 && strchr(star_match[0], ':')) {
3423 /* Avoid "tells you:" spoofs in channels */
3426 if (star_match[0][0] == NULLCHAR ||
3427 strchr(star_match[0], ' ') ||
3428 (tkind == 3 && strchr(star_match[1], ' '))) {
3429 /* Reject bogus matches */
3432 if (appData.colorize) {
3433 if (oldi > next_out) {
3434 SendToPlayer(&buf[next_out], oldi - next_out);
3439 Colorize(ColorTell, FALSE);
3440 curColor = ColorTell;
3443 Colorize(ColorKibitz, FALSE);
3444 curColor = ColorKibitz;
3447 p = strrchr(star_match[1], '(');
3454 Colorize(ColorChannel1, FALSE);
3455 curColor = ColorChannel1;
3457 Colorize(ColorChannel, FALSE);
3458 curColor = ColorChannel;
3462 curColor = ColorNormal;
3466 if (started == STARTED_NONE && appData.autoComment &&
3467 (gameMode == IcsObserving ||
3468 gameMode == IcsPlayingWhite ||
3469 gameMode == IcsPlayingBlack)) {
3470 parse_pos = i - oldi;
3471 memcpy(parse, &buf[oldi], parse_pos);
3472 parse[parse_pos] = NULLCHAR;
3473 started = STARTED_COMMENT;
3474 savingComment = TRUE;
3475 } else if(collective != 3) {
3476 started = STARTED_CHATTER;
3477 savingComment = FALSE;
3484 if (looking_at(buf, &i, "* s-shouts: ") ||
3485 looking_at(buf, &i, "* c-shouts: ")) {
3486 if (appData.colorize) {
3487 if (oldi > next_out) {
3488 SendToPlayer(&buf[next_out], oldi - next_out);
3491 Colorize(ColorSShout, FALSE);
3492 curColor = ColorSShout;
3495 started = STARTED_CHATTER;
3499 if (looking_at(buf, &i, "--->")) {
3504 if (looking_at(buf, &i, "* shouts: ") ||
3505 looking_at(buf, &i, "--> ")) {
3506 if (appData.colorize) {
3507 if (oldi > next_out) {
3508 SendToPlayer(&buf[next_out], oldi - next_out);
3511 Colorize(ColorShout, FALSE);
3512 curColor = ColorShout;
3515 started = STARTED_CHATTER;
3519 if (looking_at( buf, &i, "Challenge:")) {
3520 if (appData.colorize) {
3521 if (oldi > next_out) {
3522 SendToPlayer(&buf[next_out], oldi - next_out);
3525 Colorize(ColorChallenge, FALSE);
3526 curColor = ColorChallenge;
3532 if (looking_at(buf, &i, "* offers you") ||
3533 looking_at(buf, &i, "* offers to be") ||
3534 looking_at(buf, &i, "* would like to") ||
3535 looking_at(buf, &i, "* requests to") ||
3536 looking_at(buf, &i, "Your opponent offers") ||
3537 looking_at(buf, &i, "Your opponent requests")) {
3539 if (appData.colorize) {
3540 if (oldi > next_out) {
3541 SendToPlayer(&buf[next_out], oldi - next_out);
3544 Colorize(ColorRequest, FALSE);
3545 curColor = ColorRequest;
3550 if (looking_at(buf, &i, "* (*) seeking")) {
3551 if (appData.colorize) {
3552 if (oldi > next_out) {
3553 SendToPlayer(&buf[next_out], oldi - next_out);
3556 Colorize(ColorSeek, FALSE);
3557 curColor = ColorSeek;
3562 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3564 if (looking_at(buf, &i, "\\ ")) {
3565 if (prevColor != ColorNormal) {
3566 if (oldi > next_out) {
3567 SendToPlayer(&buf[next_out], oldi - next_out);
3570 Colorize(prevColor, TRUE);
3571 curColor = prevColor;
3573 if (savingComment) {
3574 parse_pos = i - oldi;
3575 memcpy(parse, &buf[oldi], parse_pos);
3576 parse[parse_pos] = NULLCHAR;
3577 started = STARTED_COMMENT;
3578 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3579 chattingPartner = savingComment - 3; // kludge to remember the box
3581 started = STARTED_CHATTER;
3586 if (looking_at(buf, &i, "Black Strength :") ||
3587 looking_at(buf, &i, "<<< style 10 board >>>") ||
3588 looking_at(buf, &i, "<10>") ||
3589 looking_at(buf, &i, "#@#")) {
3590 /* Wrong board style */
3592 SendToICS(ics_prefix);
3593 SendToICS("set style 12\n");
3594 SendToICS(ics_prefix);
3595 SendToICS("refresh\n");
3599 if (looking_at(buf, &i, "login:")) {
3600 if (!have_sent_ICS_logon) {
3602 have_sent_ICS_logon = 1;
3603 else // no init script was found
3604 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3605 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3606 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3611 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3612 (looking_at(buf, &i, "\n<12> ") ||
3613 looking_at(buf, &i, "<12> "))) {
3615 if (oldi > next_out) {
3616 SendToPlayer(&buf[next_out], oldi - next_out);
3619 started = STARTED_BOARD;
3624 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3625 looking_at(buf, &i, "<b1> ")) {
3626 if (oldi > next_out) {
3627 SendToPlayer(&buf[next_out], oldi - next_out);
3630 started = STARTED_HOLDINGS;
3635 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3637 /* Header for a move list -- first line */
3639 switch (ics_getting_history) {
3643 case BeginningOfGame:
3644 /* User typed "moves" or "oldmoves" while we
3645 were idle. Pretend we asked for these
3646 moves and soak them up so user can step
3647 through them and/or save them.
3650 gameMode = IcsObserving;
3653 ics_getting_history = H_GOT_UNREQ_HEADER;
3655 case EditGame: /*?*/
3656 case EditPosition: /*?*/
3657 /* Should above feature work in these modes too? */
3658 /* For now it doesn't */
3659 ics_getting_history = H_GOT_UNWANTED_HEADER;
3662 ics_getting_history = H_GOT_UNWANTED_HEADER;
3667 /* Is this the right one? */
3668 if (gameInfo.white && gameInfo.black &&
3669 strcmp(gameInfo.white, star_match[0]) == 0 &&
3670 strcmp(gameInfo.black, star_match[2]) == 0) {
3672 ics_getting_history = H_GOT_REQ_HEADER;
3675 case H_GOT_REQ_HEADER:
3676 case H_GOT_UNREQ_HEADER:
3677 case H_GOT_UNWANTED_HEADER:
3678 case H_GETTING_MOVES:
3679 /* Should not happen */
3680 DisplayError(_("Error gathering move list: two headers"), 0);
3681 ics_getting_history = H_FALSE;
3685 /* Save player ratings into gameInfo if needed */
3686 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3687 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3688 (gameInfo.whiteRating == -1 ||
3689 gameInfo.blackRating == -1)) {
3691 gameInfo.whiteRating = string_to_rating(star_match[1]);
3692 gameInfo.blackRating = string_to_rating(star_match[3]);
3693 if (appData.debugMode)
3694 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3695 gameInfo.whiteRating, gameInfo.blackRating);
3700 if (looking_at(buf, &i,
3701 "* * match, initial time: * minute*, increment: * second")) {
3702 /* Header for a move list -- second line */
3703 /* Initial board will follow if this is a wild game */
3704 if (gameInfo.event != NULL) free(gameInfo.event);
3705 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3706 gameInfo.event = StrSave(str);
3707 /* [HGM] we switched variant. Translate boards if needed. */
3708 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3712 if (looking_at(buf, &i, "Move ")) {
3713 /* Beginning of a move list */
3714 switch (ics_getting_history) {
3716 /* Normally should not happen */
3717 /* Maybe user hit reset while we were parsing */
3720 /* Happens if we are ignoring a move list that is not
3721 * the one we just requested. Common if the user
3722 * tries to observe two games without turning off
3725 case H_GETTING_MOVES:
3726 /* Should not happen */
3727 DisplayError(_("Error gathering move list: nested"), 0);
3728 ics_getting_history = H_FALSE;
3730 case H_GOT_REQ_HEADER:
3731 ics_getting_history = H_GETTING_MOVES;
3732 started = STARTED_MOVES;
3734 if (oldi > next_out) {
3735 SendToPlayer(&buf[next_out], oldi - next_out);
3738 case H_GOT_UNREQ_HEADER:
3739 ics_getting_history = H_GETTING_MOVES;
3740 started = STARTED_MOVES_NOHIDE;
3743 case H_GOT_UNWANTED_HEADER:
3744 ics_getting_history = H_FALSE;
3750 if (looking_at(buf, &i, "% ") ||
3751 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3752 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3753 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3754 soughtPending = FALSE;
3758 if(suppressKibitz) next_out = i;
3759 savingComment = FALSE;
3763 case STARTED_MOVES_NOHIDE:
3764 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3765 parse[parse_pos + i - oldi] = NULLCHAR;
3766 ParseGameHistory(parse);
3768 if (appData.zippyPlay && first.initDone) {
3769 FeedMovesToProgram(&first, forwardMostMove);
3770 if (gameMode == IcsPlayingWhite) {
3771 if (WhiteOnMove(forwardMostMove)) {
3772 if (first.sendTime) {
3773 if (first.useColors) {
3774 SendToProgram("black\n", &first);
3776 SendTimeRemaining(&first, TRUE);
3778 if (first.useColors) {
3779 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3781 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3782 first.maybeThinking = TRUE;
3784 if (first.usePlayother) {
3785 if (first.sendTime) {
3786 SendTimeRemaining(&first, TRUE);
3788 SendToProgram("playother\n", &first);
3794 } else if (gameMode == IcsPlayingBlack) {
3795 if (!WhiteOnMove(forwardMostMove)) {
3796 if (first.sendTime) {
3797 if (first.useColors) {
3798 SendToProgram("white\n", &first);
3800 SendTimeRemaining(&first, FALSE);
3802 if (first.useColors) {
3803 SendToProgram("black\n", &first);
3805 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3806 first.maybeThinking = TRUE;
3808 if (first.usePlayother) {
3809 if (first.sendTime) {
3810 SendTimeRemaining(&first, FALSE);
3812 SendToProgram("playother\n", &first);
3821 if (gameMode == IcsObserving && ics_gamenum == -1) {
3822 /* Moves came from oldmoves or moves command
3823 while we weren't doing anything else.
3825 currentMove = forwardMostMove;
3826 ClearHighlights();/*!!could figure this out*/
3827 flipView = appData.flipView;
3828 DrawPosition(TRUE, boards[currentMove]);
3829 DisplayBothClocks();
3830 snprintf(str, MSG_SIZ, "%s %s %s",
3831 gameInfo.white, _("vs."), gameInfo.black);
3835 /* Moves were history of an active game */
3836 if (gameInfo.resultDetails != NULL) {
3837 free(gameInfo.resultDetails);
3838 gameInfo.resultDetails = NULL;
3841 HistorySet(parseList, backwardMostMove,
3842 forwardMostMove, currentMove-1);
3843 DisplayMove(currentMove - 1);
3844 if (started == STARTED_MOVES) next_out = i;
3845 started = STARTED_NONE;
3846 ics_getting_history = H_FALSE;
3849 case STARTED_OBSERVE:
3850 started = STARTED_NONE;
3851 SendToICS(ics_prefix);
3852 SendToICS("refresh\n");
3858 if(bookHit) { // [HGM] book: simulate book reply
3859 static char bookMove[MSG_SIZ]; // a bit generous?
3861 programStats.nodes = programStats.depth = programStats.time =
3862 programStats.score = programStats.got_only_move = 0;
3863 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3865 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3866 strcat(bookMove, bookHit);
3867 HandleMachineMove(bookMove, &first);
3872 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3873 started == STARTED_HOLDINGS ||
3874 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3875 /* Accumulate characters in move list or board */
3876 parse[parse_pos++] = buf[i];
3879 /* Start of game messages. Mostly we detect start of game
3880 when the first board image arrives. On some versions
3881 of the ICS, though, we need to do a "refresh" after starting
3882 to observe in order to get the current board right away. */
3883 if (looking_at(buf, &i, "Adding game * to observation list")) {
3884 started = STARTED_OBSERVE;
3888 /* Handle auto-observe */
3889 if (appData.autoObserve &&
3890 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3891 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3893 /* Choose the player that was highlighted, if any. */
3894 if (star_match[0][0] == '\033' ||
3895 star_match[1][0] != '\033') {
3896 player = star_match[0];
3898 player = star_match[2];
3900 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3901 ics_prefix, StripHighlightAndTitle(player));
3904 /* Save ratings from notify string */
3905 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3906 player1Rating = string_to_rating(star_match[1]);
3907 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3908 player2Rating = string_to_rating(star_match[3]);
3910 if (appData.debugMode)
3912 "Ratings from 'Game notification:' %s %d, %s %d\n",
3913 player1Name, player1Rating,
3914 player2Name, player2Rating);
3919 /* Deal with automatic examine mode after a game,
3920 and with IcsObserving -> IcsExamining transition */
3921 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3922 looking_at(buf, &i, "has made you an examiner of game *")) {
3924 int gamenum = atoi(star_match[0]);
3925 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3926 gamenum == ics_gamenum) {
3927 /* We were already playing or observing this game;
3928 no need to refetch history */
3929 gameMode = IcsExamining;
3931 pauseExamForwardMostMove = forwardMostMove;
3932 } else if (currentMove < forwardMostMove) {
3933 ForwardInner(forwardMostMove);
3936 /* I don't think this case really can happen */
3937 SendToICS(ics_prefix);
3938 SendToICS("refresh\n");
3943 /* Error messages */
3944 // if (ics_user_moved) {
3945 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3946 if (looking_at(buf, &i, "Illegal move") ||
3947 looking_at(buf, &i, "Not a legal move") ||
3948 looking_at(buf, &i, "Your king is in check") ||
3949 looking_at(buf, &i, "It isn't your turn") ||
3950 looking_at(buf, &i, "It is not your move")) {
3952 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3953 currentMove = forwardMostMove-1;
3954 DisplayMove(currentMove - 1); /* before DMError */
3955 DrawPosition(FALSE, boards[currentMove]);
3956 SwitchClocks(forwardMostMove-1); // [HGM] race
3957 DisplayBothClocks();
3959 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3965 if (looking_at(buf, &i, "still have time") ||
3966 looking_at(buf, &i, "not out of time") ||
3967 looking_at(buf, &i, "either player is out of time") ||
3968 looking_at(buf, &i, "has timeseal; checking")) {
3969 /* We must have called his flag a little too soon */
3970 whiteFlag = blackFlag = FALSE;
3974 if (looking_at(buf, &i, "added * seconds to") ||
3975 looking_at(buf, &i, "seconds were added to")) {
3976 /* Update the clocks */
3977 SendToICS(ics_prefix);
3978 SendToICS("refresh\n");
3982 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3983 ics_clock_paused = TRUE;
3988 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3989 ics_clock_paused = FALSE;
3994 /* Grab player ratings from the Creating: message.
3995 Note we have to check for the special case when
3996 the ICS inserts things like [white] or [black]. */
3997 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3998 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
4000 0 player 1 name (not necessarily white)
4002 2 empty, white, or black (IGNORED)
4003 3 player 2 name (not necessarily black)
4006 The names/ratings are sorted out when the game
4007 actually starts (below).
4009 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4010 player1Rating = string_to_rating(star_match[1]);
4011 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4012 player2Rating = string_to_rating(star_match[4]);
4014 if (appData.debugMode)
4016 "Ratings from 'Creating:' %s %d, %s %d\n",
4017 player1Name, player1Rating,
4018 player2Name, player2Rating);
4023 /* Improved generic start/end-of-game messages */
4024 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4025 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4026 /* If tkind == 0: */
4027 /* star_match[0] is the game number */
4028 /* [1] is the white player's name */
4029 /* [2] is the black player's name */
4030 /* For end-of-game: */
4031 /* [3] is the reason for the game end */
4032 /* [4] is a PGN end game-token, preceded by " " */
4033 /* For start-of-game: */
4034 /* [3] begins with "Creating" or "Continuing" */
4035 /* [4] is " *" or empty (don't care). */
4036 int gamenum = atoi(star_match[0]);
4037 char *whitename, *blackname, *why, *endtoken;
4038 ChessMove endtype = EndOfFile;
4041 whitename = star_match[1];
4042 blackname = star_match[2];
4043 why = star_match[3];
4044 endtoken = star_match[4];
4046 whitename = star_match[1];
4047 blackname = star_match[3];
4048 why = star_match[5];
4049 endtoken = star_match[6];
4052 /* Game start messages */
4053 if (strncmp(why, "Creating ", 9) == 0 ||
4054 strncmp(why, "Continuing ", 11) == 0) {
4055 gs_gamenum = gamenum;
4056 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4057 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4058 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4060 if (appData.zippyPlay) {
4061 ZippyGameStart(whitename, blackname);
4064 partnerBoardValid = FALSE; // [HGM] bughouse
4068 /* Game end messages */
4069 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4070 ics_gamenum != gamenum) {
4073 while (endtoken[0] == ' ') endtoken++;
4074 switch (endtoken[0]) {
4077 endtype = GameUnfinished;
4080 endtype = BlackWins;
4083 if (endtoken[1] == '/')
4084 endtype = GameIsDrawn;
4086 endtype = WhiteWins;
4089 GameEnds(endtype, why, GE_ICS);
4091 if (appData.zippyPlay && first.initDone) {
4092 ZippyGameEnd(endtype, why);
4093 if (first.pr == NoProc) {
4094 /* Start the next process early so that we'll
4095 be ready for the next challenge */
4096 StartChessProgram(&first);
4098 /* Send "new" early, in case this command takes
4099 a long time to finish, so that we'll be ready
4100 for the next challenge. */
4101 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4105 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4109 if (looking_at(buf, &i, "Removing game * from observation") ||
4110 looking_at(buf, &i, "no longer observing game *") ||
4111 looking_at(buf, &i, "Game * (*) has no examiners")) {
4112 if (gameMode == IcsObserving &&
4113 atoi(star_match[0]) == ics_gamenum)
4115 /* icsEngineAnalyze */
4116 if (appData.icsEngineAnalyze) {
4123 ics_user_moved = FALSE;
4128 if (looking_at(buf, &i, "no longer examining game *")) {
4129 if (gameMode == IcsExamining &&
4130 atoi(star_match[0]) == ics_gamenum)
4134 ics_user_moved = FALSE;
4139 /* Advance leftover_start past any newlines we find,
4140 so only partial lines can get reparsed */
4141 if (looking_at(buf, &i, "\n")) {
4142 prevColor = curColor;
4143 if (curColor != ColorNormal) {
4144 if (oldi > next_out) {
4145 SendToPlayer(&buf[next_out], oldi - next_out);
4148 Colorize(ColorNormal, FALSE);
4149 curColor = ColorNormal;
4151 if (started == STARTED_BOARD) {
4152 started = STARTED_NONE;
4153 parse[parse_pos] = NULLCHAR;
4154 ParseBoard12(parse);
4157 /* Send premove here */
4158 if (appData.premove) {
4160 if (currentMove == 0 &&
4161 gameMode == IcsPlayingWhite &&
4162 appData.premoveWhite) {
4163 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4164 if (appData.debugMode)
4165 fprintf(debugFP, "Sending premove:\n");
4167 } else if (currentMove == 1 &&
4168 gameMode == IcsPlayingBlack &&
4169 appData.premoveBlack) {
4170 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4171 if (appData.debugMode)
4172 fprintf(debugFP, "Sending premove:\n");
4174 } else if (gotPremove) {
4175 int oldFMM = forwardMostMove;
4177 ClearPremoveHighlights();
4178 if (appData.debugMode)
4179 fprintf(debugFP, "Sending premove:\n");
4180 UserMoveEvent(premoveFromX, premoveFromY,
4181 premoveToX, premoveToY,
4183 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4184 if(moveList[oldFMM-1][1] != '@')
4185 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4186 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4188 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4193 /* Usually suppress following prompt */
4194 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4195 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4196 if (looking_at(buf, &i, "*% ")) {
4197 savingComment = FALSE;
4202 } else if (started == STARTED_HOLDINGS) {
4204 char new_piece[MSG_SIZ];
4205 started = STARTED_NONE;
4206 parse[parse_pos] = NULLCHAR;
4207 if (appData.debugMode)
4208 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4209 parse, currentMove);
4210 if (sscanf(parse, " game %d", &gamenum) == 1) {
4211 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4212 new_piece[0] = NULLCHAR;
4213 sscanf(parse, "game %d white [%s black [%s <- %s",
4214 &gamenum, white_holding, black_holding,
4216 white_holding[strlen(white_holding)-1] = NULLCHAR;
4217 black_holding[strlen(black_holding)-1] = NULLCHAR;
4218 if (gameInfo.variant == VariantNormal) {
4219 /* [HGM] We seem to switch variant during a game!
4220 * Presumably no holdings were displayed, so we have
4221 * to move the position two files to the right to
4222 * create room for them!
4224 VariantClass newVariant;
4225 switch(gameInfo.boardWidth) { // base guess on board width
4226 case 9: newVariant = VariantShogi; break;
4227 case 10: newVariant = VariantGreat; break;
4228 default: newVariant = VariantCrazyhouse;
4229 if(strchr(white_holding, 'E') || strchr(black_holding, 'E') ||
4230 strchr(white_holding, 'H') || strchr(black_holding, 'H') )
4231 newVariant = VariantSChess;
4233 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4234 /* Get a move list just to see the header, which
4235 will tell us whether this is really bug or zh */
4236 if (ics_getting_history == H_FALSE) {
4237 ics_getting_history = H_REQUESTED;
4238 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4242 /* [HGM] copy holdings to board holdings area */
4243 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4244 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4245 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4247 if (appData.zippyPlay && first.initDone) {
4248 ZippyHoldings(white_holding, black_holding,
4252 if (tinyLayout || smallLayout) {
4253 char wh[16], bh[16];
4254 PackHolding(wh, white_holding);
4255 PackHolding(bh, black_holding);
4256 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4257 gameInfo.white, gameInfo.black);
4259 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4260 gameInfo.white, white_holding, _("vs."),
4261 gameInfo.black, black_holding);
4263 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4264 DrawPosition(FALSE, boards[currentMove]);
4266 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4267 sscanf(parse, "game %d white [%s black [%s <- %s",
4268 &gamenum, white_holding, black_holding,
4270 white_holding[strlen(white_holding)-1] = NULLCHAR;
4271 black_holding[strlen(black_holding)-1] = NULLCHAR;
4272 /* [HGM] copy holdings to partner-board holdings area */
4273 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4274 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4275 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4276 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4277 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4280 /* Suppress following prompt */
4281 if (looking_at(buf, &i, "*% ")) {
4282 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4283 savingComment = FALSE;
4291 i++; /* skip unparsed character and loop back */
4294 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4295 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4296 // SendToPlayer(&buf[next_out], i - next_out);
4297 started != STARTED_HOLDINGS && leftover_start > next_out) {
4298 SendToPlayer(&buf[next_out], leftover_start - next_out);
4302 leftover_len = buf_len - leftover_start;
4303 /* if buffer ends with something we couldn't parse,
4304 reparse it after appending the next read */
4306 } else if (count == 0) {
4307 RemoveInputSource(isr);
4308 DisplayFatalError(_("Connection closed by ICS"), 0, 6666);
4310 DisplayFatalError(_("Error reading from ICS"), error, 1);
4315 /* Board style 12 looks like this:
4317 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4319 * The "<12> " is stripped before it gets to this routine. The two
4320 * trailing 0's (flip state and clock ticking) are later addition, and
4321 * some chess servers may not have them, or may have only the first.
4322 * Additional trailing fields may be added in the future.
4325 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4327 #define RELATION_OBSERVING_PLAYED 0
4328 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4329 #define RELATION_PLAYING_MYMOVE 1
4330 #define RELATION_PLAYING_NOTMYMOVE -1
4331 #define RELATION_EXAMINING 2
4332 #define RELATION_ISOLATED_BOARD -3
4333 #define RELATION_STARTING_POSITION -4 /* FICS only */
4336 ParseBoard12 (char *string)
4340 char *bookHit = NULL; // [HGM] book
4342 GameMode newGameMode;
4343 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4344 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4345 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4346 char to_play, board_chars[200];
4347 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4348 char black[32], white[32];
4350 int prevMove = currentMove;
4353 int fromX, fromY, toX, toY;
4355 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4356 Boolean weird = FALSE, reqFlag = FALSE;
4358 fromX = fromY = toX = toY = -1;
4362 if (appData.debugMode)
4363 fprintf(debugFP, "Parsing board: %s\n", string);
4365 move_str[0] = NULLCHAR;
4366 elapsed_time[0] = NULLCHAR;
4367 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4369 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4370 if(string[i] == ' ') { ranks++; files = 0; }
4372 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4375 for(j = 0; j <i; j++) board_chars[j] = string[j];
4376 board_chars[i] = '\0';
4379 n = sscanf(string, PATTERN, &to_play, &double_push,
4380 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4381 &gamenum, white, black, &relation, &basetime, &increment,
4382 &white_stren, &black_stren, &white_time, &black_time,
4383 &moveNum, str, elapsed_time, move_str, &ics_flip,
4387 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4388 DisplayError(str, 0);
4392 /* Convert the move number to internal form */
4393 moveNum = (moveNum - 1) * 2;
4394 if (to_play == 'B') moveNum++;
4395 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4396 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4402 case RELATION_OBSERVING_PLAYED:
4403 case RELATION_OBSERVING_STATIC:
4404 if (gamenum == -1) {
4405 /* Old ICC buglet */
4406 relation = RELATION_OBSERVING_STATIC;
4408 newGameMode = IcsObserving;
4410 case RELATION_PLAYING_MYMOVE:
4411 case RELATION_PLAYING_NOTMYMOVE:
4413 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4414 IcsPlayingWhite : IcsPlayingBlack;
4415 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4417 case RELATION_EXAMINING:
4418 newGameMode = IcsExamining;
4420 case RELATION_ISOLATED_BOARD:
4422 /* Just display this board. If user was doing something else,
4423 we will forget about it until the next board comes. */
4424 newGameMode = IcsIdle;
4426 case RELATION_STARTING_POSITION:
4427 newGameMode = gameMode;
4431 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4432 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4433 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4434 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4435 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4436 static int lastBgGame = -1;
4438 for (k = 0; k < ranks; k++) {
4439 for (j = 0; j < files; j++)
4440 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4441 if(gameInfo.holdingsWidth > 1) {
4442 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4443 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4446 CopyBoard(partnerBoard, board);
4447 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4448 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4449 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4450 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4451 if(toSqr = strchr(str, '-')) {
4452 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4453 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4454 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4455 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4456 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4457 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4459 DisplayWhiteClock(white_time*fac, to_play == 'W');
4460 DisplayBlackClock(black_time*fac, to_play != 'W');
4461 activePartner = to_play;
4462 if(gamenum != lastBgGame) {
4464 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4467 lastBgGame = gamenum;
4468 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4469 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4470 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4471 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4472 if(!twoBoards) DisplayMessage(partnerStatus, "");
4473 partnerBoardValid = TRUE;
4477 if(appData.dualBoard && appData.bgObserve) {
4478 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4479 SendToICS(ics_prefix), SendToICS("pobserve\n");
4480 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4482 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4487 /* Modify behavior for initial board display on move listing
4490 switch (ics_getting_history) {
4494 case H_GOT_REQ_HEADER:
4495 case H_GOT_UNREQ_HEADER:
4496 /* This is the initial position of the current game */
4497 gamenum = ics_gamenum;
4498 moveNum = 0; /* old ICS bug workaround */
4499 if (to_play == 'B') {
4500 startedFromSetupPosition = TRUE;
4501 blackPlaysFirst = TRUE;
4503 if (forwardMostMove == 0) forwardMostMove = 1;
4504 if (backwardMostMove == 0) backwardMostMove = 1;
4505 if (currentMove == 0) currentMove = 1;
4507 newGameMode = gameMode;
4508 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4510 case H_GOT_UNWANTED_HEADER:
4511 /* This is an initial board that we don't want */
4513 case H_GETTING_MOVES:
4514 /* Should not happen */
4515 DisplayError(_("Error gathering move list: extra board"), 0);
4516 ics_getting_history = H_FALSE;
4520 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4521 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4522 weird && (int)gameInfo.variant < (int)VariantShogi) {
4523 /* [HGM] We seem to have switched variant unexpectedly
4524 * Try to guess new variant from board size
4526 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4527 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4528 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4529 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4530 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4531 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4532 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4533 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4534 /* Get a move list just to see the header, which
4535 will tell us whether this is really bug or zh */
4536 if (ics_getting_history == H_FALSE) {
4537 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4538 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4543 /* Take action if this is the first board of a new game, or of a
4544 different game than is currently being displayed. */
4545 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4546 relation == RELATION_ISOLATED_BOARD) {
4548 /* Forget the old game and get the history (if any) of the new one */
4549 if (gameMode != BeginningOfGame) {
4553 if (appData.autoRaiseBoard) BoardToTop();
4555 if (gamenum == -1) {
4556 newGameMode = IcsIdle;
4557 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4558 appData.getMoveList && !reqFlag) {
4559 /* Need to get game history */
4560 ics_getting_history = H_REQUESTED;
4561 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4565 /* Initially flip the board to have black on the bottom if playing
4566 black or if the ICS flip flag is set, but let the user change
4567 it with the Flip View button. */
4568 flipView = appData.autoFlipView ?
4569 (newGameMode == IcsPlayingBlack) || ics_flip :
4572 /* Done with values from previous mode; copy in new ones */
4573 gameMode = newGameMode;
4575 ics_gamenum = gamenum;
4576 if (gamenum == gs_gamenum) {
4577 int klen = strlen(gs_kind);
4578 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4579 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4580 gameInfo.event = StrSave(str);
4582 gameInfo.event = StrSave("ICS game");
4584 gameInfo.site = StrSave(appData.icsHost);
4585 gameInfo.date = PGNDate();
4586 gameInfo.round = StrSave("-");
4587 gameInfo.white = StrSave(white);
4588 gameInfo.black = StrSave(black);
4589 timeControl = basetime * 60 * 1000;
4591 timeIncrement = increment * 1000;
4592 movesPerSession = 0;
4593 gameInfo.timeControl = TimeControlTagValue();
4594 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4595 if (appData.debugMode) {
4596 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4597 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4598 setbuf(debugFP, NULL);
4601 gameInfo.outOfBook = NULL;
4603 /* Do we have the ratings? */
4604 if (strcmp(player1Name, white) == 0 &&
4605 strcmp(player2Name, black) == 0) {
4606 if (appData.debugMode)
4607 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4608 player1Rating, player2Rating);
4609 gameInfo.whiteRating = player1Rating;
4610 gameInfo.blackRating = player2Rating;
4611 } else if (strcmp(player2Name, white) == 0 &&
4612 strcmp(player1Name, black) == 0) {
4613 if (appData.debugMode)
4614 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4615 player2Rating, player1Rating);
4616 gameInfo.whiteRating = player2Rating;
4617 gameInfo.blackRating = player1Rating;
4619 player1Name[0] = player2Name[0] = NULLCHAR;
4621 /* Silence shouts if requested */
4622 if (appData.quietPlay &&
4623 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4624 SendToICS(ics_prefix);
4625 SendToICS("set shout 0\n");
4629 /* Deal with midgame name changes */
4631 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4632 if (gameInfo.white) free(gameInfo.white);
4633 gameInfo.white = StrSave(white);
4635 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4636 if (gameInfo.black) free(gameInfo.black);
4637 gameInfo.black = StrSave(black);
4641 /* Throw away game result if anything actually changes in examine mode */
4642 if (gameMode == IcsExamining && !newGame) {
4643 gameInfo.result = GameUnfinished;
4644 if (gameInfo.resultDetails != NULL) {
4645 free(gameInfo.resultDetails);
4646 gameInfo.resultDetails = NULL;
4650 /* In pausing && IcsExamining mode, we ignore boards coming
4651 in if they are in a different variation than we are. */
4652 if (pauseExamInvalid) return;
4653 if (pausing && gameMode == IcsExamining) {
4654 if (moveNum <= pauseExamForwardMostMove) {
4655 pauseExamInvalid = TRUE;
4656 forwardMostMove = pauseExamForwardMostMove;
4661 if (appData.debugMode) {
4662 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4664 /* Parse the board */
4665 for (k = 0; k < ranks; k++) {
4666 for (j = 0; j < files; j++)
4667 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4668 if(gameInfo.holdingsWidth > 1) {
4669 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4670 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4673 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4674 board[5][BOARD_RGHT+1] = WhiteAngel;
4675 board[6][BOARD_RGHT+1] = WhiteMarshall;
4676 board[1][0] = BlackMarshall;
4677 board[2][0] = BlackAngel;
4678 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4680 CopyBoard(boards[moveNum], board);
4681 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4683 startedFromSetupPosition =
4684 !CompareBoards(board, initialPosition);
4685 if(startedFromSetupPosition)
4686 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4689 /* [HGM] Set castling rights. Take the outermost Rooks,
4690 to make it also work for FRC opening positions. Note that board12
4691 is really defective for later FRC positions, as it has no way to
4692 indicate which Rook can castle if they are on the same side of King.
4693 For the initial position we grant rights to the outermost Rooks,
4694 and remember thos rights, and we then copy them on positions
4695 later in an FRC game. This means WB might not recognize castlings with
4696 Rooks that have moved back to their original position as illegal,
4697 but in ICS mode that is not its job anyway.
4699 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4700 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4702 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4703 if(board[0][i] == WhiteRook) j = i;
4704 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4705 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4706 if(board[0][i] == WhiteRook) j = i;
4707 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4708 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4709 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4710 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4711 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4712 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4713 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4715 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4716 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4717 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4718 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4719 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4720 if(board[BOARD_HEIGHT-1][k] == bKing)
4721 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4722 if(gameInfo.variant == VariantTwoKings) {
4723 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4724 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4725 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4728 r = boards[moveNum][CASTLING][0] = initialRights[0];
4729 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4730 r = boards[moveNum][CASTLING][1] = initialRights[1];
4731 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4732 r = boards[moveNum][CASTLING][3] = initialRights[3];
4733 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4734 r = boards[moveNum][CASTLING][4] = initialRights[4];
4735 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4736 /* wildcastle kludge: always assume King has rights */
4737 r = boards[moveNum][CASTLING][2] = initialRights[2];
4738 r = boards[moveNum][CASTLING][5] = initialRights[5];
4740 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4741 boards[moveNum][EP_STATUS] = EP_NONE;
4742 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4743 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4744 if(double_push != -1) {
4745 int dir = WhiteOnMove(moveNum) ? 1 : -1, last = BOARD_HEIGHT-1;
4746 boards[moveNum][EP_FILE] = // also set new e.p. variables
4747 boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4748 boards[moveNum][EP_RANK] = (last + 3*dir)/2;
4749 boards[moveNum][LAST_TO] = 128*(last + dir) + boards[moveNum][EP_FILE];
4750 } else boards[moveNum][EP_FILE] = boards[moveNum][EP_RANK] = 100;
4753 if (ics_getting_history == H_GOT_REQ_HEADER ||
4754 ics_getting_history == H_GOT_UNREQ_HEADER) {
4755 /* This was an initial position from a move list, not
4756 the current position */
4760 /* Update currentMove and known move number limits */
4761 newMove = newGame || moveNum > forwardMostMove;
4764 forwardMostMove = backwardMostMove = currentMove = moveNum;
4765 if (gameMode == IcsExamining && moveNum == 0) {
4766 /* Workaround for ICS limitation: we are not told the wild
4767 type when starting to examine a game. But if we ask for
4768 the move list, the move list header will tell us */
4769 ics_getting_history = H_REQUESTED;
4770 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4773 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4774 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4776 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4777 /* [HGM] applied this also to an engine that is silently watching */
4778 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4779 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4780 gameInfo.variant == currentlyInitializedVariant) {
4781 takeback = forwardMostMove - moveNum;
4782 for (i = 0; i < takeback; i++) {
4783 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4784 SendToProgram("undo\n", &first);
4789 forwardMostMove = moveNum;
4790 if (!pausing || currentMove > forwardMostMove)
4791 currentMove = forwardMostMove;
4793 /* New part of history that is not contiguous with old part */
4794 if (pausing && gameMode == IcsExamining) {
4795 pauseExamInvalid = TRUE;
4796 forwardMostMove = pauseExamForwardMostMove;
4799 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4801 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4802 // [HGM] when we will receive the move list we now request, it will be
4803 // fed to the engine from the first move on. So if the engine is not
4804 // in the initial position now, bring it there.
4805 InitChessProgram(&first, 0);
4808 ics_getting_history = H_REQUESTED;
4809 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4812 forwardMostMove = backwardMostMove = currentMove = moveNum;
4815 /* Update the clocks */
4816 if (strchr(elapsed_time, '.')) {
4818 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4819 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4821 /* Time is in seconds */
4822 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4823 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4828 if (appData.zippyPlay && newGame &&
4829 gameMode != IcsObserving && gameMode != IcsIdle &&
4830 gameMode != IcsExamining)
4831 ZippyFirstBoard(moveNum, basetime, increment);
4834 /* Put the move on the move list, first converting
4835 to canonical algebraic form. */
4837 if (appData.debugMode) {
4838 int f = forwardMostMove;
4839 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4840 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4841 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4842 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4843 fprintf(debugFP, "moveNum = %d\n", moveNum);
4844 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4845 setbuf(debugFP, NULL);
4847 if (moveNum <= backwardMostMove) {
4848 /* We don't know what the board looked like before
4850 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4851 strcat(parseList[moveNum - 1], " ");
4852 strcat(parseList[moveNum - 1], elapsed_time);
4853 moveList[moveNum - 1][0] = NULLCHAR;
4854 } else if (strcmp(move_str, "none") == 0) {
4855 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4856 /* Again, we don't know what the board looked like;
4857 this is really the start of the game. */
4858 parseList[moveNum - 1][0] = NULLCHAR;
4859 moveList[moveNum - 1][0] = NULLCHAR;
4860 backwardMostMove = moveNum;
4861 startedFromSetupPosition = TRUE;
4862 fromX = fromY = toX = toY = -1;
4864 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4865 // So we parse the long-algebraic move string in stead of the SAN move
4866 int valid; char buf[MSG_SIZ], *prom;
4868 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4869 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4870 // str looks something like "Q/a1-a2"; kill the slash
4872 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4873 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4874 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4875 strcat(buf, prom); // long move lacks promo specification!
4876 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4877 if(appData.debugMode)
4878 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4879 safeStrCpy(move_str, buf, MSG_SIZ);
4881 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4882 &fromX, &fromY, &toX, &toY, &promoChar)
4883 || ParseOneMove(buf, moveNum - 1, &moveType,
4884 &fromX, &fromY, &toX, &toY, &promoChar);
4885 // end of long SAN patch
4887 (void) CoordsToAlgebraic(boards[moveNum - 1],
4888 PosFlags(moveNum - 1),
4889 fromY, fromX, toY, toX, promoChar,
4890 parseList[moveNum-1]);
4891 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4897 if(!IS_SHOGI(gameInfo.variant))
4898 strcat(parseList[moveNum - 1], "+");
4901 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4902 strcat(parseList[moveNum - 1], "#");
4905 strcat(parseList[moveNum - 1], " ");
4906 strcat(parseList[moveNum - 1], elapsed_time);
4907 /* currentMoveString is set as a side-effect of ParseOneMove */
4908 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4909 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4910 strcat(moveList[moveNum - 1], "\n");
4912 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4913 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4914 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4915 ChessSquare old, new = boards[moveNum][k][j];
4916 if(new == EmptySquare || fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4917 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4918 if(old == new) continue;
4919 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4920 else if(new == WhiteWazir || new == BlackWazir) {
4921 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4922 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4923 else boards[moveNum][k][j] = old; // preserve type of Gold
4924 } else if(old == WhitePawn || old == BlackPawn) // Pawn promotions (but not e.p.capture!)
4925 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4928 /* Move from ICS was illegal!? Punt. */
4929 if (appData.debugMode) {
4930 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4931 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4933 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4934 strcat(parseList[moveNum - 1], " ");
4935 strcat(parseList[moveNum - 1], elapsed_time);
4936 moveList[moveNum - 1][0] = NULLCHAR;
4937 fromX = fromY = toX = toY = -1;
4940 if (appData.debugMode) {
4941 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4942 setbuf(debugFP, NULL);
4946 /* Send move to chess program (BEFORE animating it). */
4947 if (appData.zippyPlay && !newGame && newMove &&
4948 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4950 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4951 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4952 if (moveList[moveNum - 1][0] == NULLCHAR) {
4953 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4955 DisplayError(str, 0);
4957 if (first.sendTime) {
4958 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4960 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4961 if (firstMove && !bookHit) {
4963 if (first.useColors) {
4964 SendToProgram(gameMode == IcsPlayingWhite ?
4966 "black\ngo\n", &first);
4968 SendToProgram("go\n", &first);
4970 first.maybeThinking = TRUE;
4973 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4974 if (moveList[moveNum - 1][0] == NULLCHAR) {
4975 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4976 DisplayError(str, 0);
4978 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4979 SendMoveToProgram(moveNum - 1, &first);
4986 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4987 /* If move comes from a remote source, animate it. If it
4988 isn't remote, it will have already been animated. */
4989 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4990 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4992 if (!pausing && appData.highlightLastMove) {
4993 SetHighlights(fromX, fromY, toX, toY);
4997 /* Start the clocks */
4998 whiteFlag = blackFlag = FALSE;
4999 appData.clockMode = !(basetime == 0 && increment == 0);
5001 ics_clock_paused = TRUE;
5003 } else if (ticking == 1) {
5004 ics_clock_paused = FALSE;
5006 if (gameMode == IcsIdle ||
5007 relation == RELATION_OBSERVING_STATIC ||
5008 relation == RELATION_EXAMINING ||
5010 DisplayBothClocks();
5014 /* Display opponents and material strengths */
5015 if (gameInfo.variant != VariantBughouse &&
5016 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
5017 if (tinyLayout || smallLayout) {
5018 if(gameInfo.variant == VariantNormal)
5019 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5020 gameInfo.white, white_stren, gameInfo.black, black_stren,
5021 basetime, increment);
5023 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5024 gameInfo.white, white_stren, gameInfo.black, black_stren,
5025 basetime, increment, (int) gameInfo.variant);
5027 if(gameInfo.variant == VariantNormal)
5028 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5029 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5030 basetime, increment);
5032 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5033 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5034 basetime, increment, VariantName(gameInfo.variant));
5037 if (appData.debugMode) {
5038 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5043 /* Display the board */
5044 if (!pausing && !appData.noGUI) {
5046 if (appData.premove)
5048 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5049 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5050 ClearPremoveHighlights();
5052 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5053 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5054 DrawPosition(j, boards[currentMove]);
5056 DisplayMove(moveNum - 1);
5057 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5058 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5059 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5060 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5064 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5066 if(bookHit) { // [HGM] book: simulate book reply
5067 static char bookMove[MSG_SIZ]; // a bit generous?
5069 programStats.nodes = programStats.depth = programStats.time =
5070 programStats.score = programStats.got_only_move = 0;
5071 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5073 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5074 strcat(bookMove, bookHit);
5075 HandleMachineMove(bookMove, &first);
5084 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5085 ics_getting_history = H_REQUESTED;
5086 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5092 SendToBoth (char *msg)
5093 { // to make it easy to keep two engines in step in dual analysis
5094 SendToProgram(msg, &first);
5095 if(second.analyzing) SendToProgram(msg, &second);
5099 AnalysisPeriodicEvent (int force)
5101 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5102 && !force) || !appData.periodicUpdates)
5105 /* Send . command to Crafty to collect stats */
5108 /* Don't send another until we get a response (this makes
5109 us stop sending to old Crafty's which don't understand
5110 the "." command (sending illegal cmds resets node count & time,
5111 which looks bad)) */
5112 programStats.ok_to_send = 0;
5116 ics_update_width (int new_width)
5118 ics_printf("set width %d\n", new_width);
5122 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5126 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5127 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5128 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5129 SendToProgram(buf, cps);
5132 // null move in variant where engine does not understand it (for analysis purposes)
5133 SendBoard(cps, moveNum + 1); // send position after move in stead.
5136 if (cps->useUsermove) {
5137 SendToProgram("usermove ", cps);
5141 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5142 int len = space - parseList[moveNum];
5143 memcpy(buf, parseList[moveNum], len);
5145 buf[len] = NULLCHAR;
5147 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5149 SendToProgram(buf, cps);
5151 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5152 AlphaRank(moveList[moveNum], 4);
5153 SendToProgram(moveList[moveNum], cps);
5154 AlphaRank(moveList[moveNum], 4); // and back
5156 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5157 * the engine. It would be nice to have a better way to identify castle
5159 if(appData.fischerCastling && cps->useOOCastle) {
5160 int fromX = moveList[moveNum][0] - AAA;
5161 int fromY = moveList[moveNum][1] - ONE;
5162 int toX = moveList[moveNum][2] - AAA;
5163 int toY = moveList[moveNum][3] - ONE;
5164 if((boards[moveNum][fromY][fromX] == WhiteKing
5165 && boards[moveNum][toY][toX] == WhiteRook)
5166 || (boards[moveNum][fromY][fromX] == BlackKing
5167 && boards[moveNum][toY][toX] == BlackRook)) {
5168 if(toX > fromX) SendToProgram("O-O\n", cps);
5169 else SendToProgram("O-O-O\n", cps);
5171 else SendToProgram(moveList[moveNum], cps);
5173 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5174 char *m = moveList[moveNum];
5176 *c = m[7]; if(*c == '\n') *c = NULLCHAR; // promoChar
5177 if((boards[moveNum][m[6]-ONE][m[5]-AAA] < BlackPawn) == (boards[moveNum][m[1]-ONE][m[0]-AAA] < BlackPawn)) // move is kludge to indicate castling
5178 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5181 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5182 else if(*c && m[8] != '\n') { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5183 *c = m[9]; if(*c == '\n') *c = NULLCHAR;
5184 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to three moves
5189 m[2], m[3] - '0', c);
5191 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5194 m[2], m[3] - '0', c);
5195 SendToProgram(buf, cps);
5197 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5198 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5199 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5200 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5201 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5203 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5204 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5205 SendToProgram(buf, cps);
5207 else SendToProgram(moveList[moveNum], cps);
5208 /* End of additions by Tord */
5211 /* [HGM] setting up the opening has brought engine in force mode! */
5212 /* Send 'go' if we are in a mode where machine should play. */
5213 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5214 (gameMode == TwoMachinesPlay ||
5216 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5218 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5219 SendToProgram("go\n", cps);
5220 if (appData.debugMode) {
5221 fprintf(debugFP, "(extra)\n");
5224 setboardSpoiledMachineBlack = 0;
5228 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5230 char user_move[MSG_SIZ];
5233 if(gameInfo.variant == VariantSChess && promoChar) {
5234 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5235 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5236 } else suffix[0] = NULLCHAR;
5240 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5241 (int)moveType, fromX, fromY, toX, toY);
5242 DisplayError(user_move + strlen("say "), 0);
5244 case WhiteKingSideCastle:
5245 case BlackKingSideCastle:
5246 case WhiteQueenSideCastleWild:
5247 case BlackQueenSideCastleWild:
5249 case WhiteHSideCastleFR:
5250 case BlackHSideCastleFR:
5252 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5254 case WhiteQueenSideCastle:
5255 case BlackQueenSideCastle:
5256 case WhiteKingSideCastleWild:
5257 case BlackKingSideCastleWild:
5259 case WhiteASideCastleFR:
5260 case BlackASideCastleFR:
5262 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5264 case WhiteNonPromotion:
5265 case BlackNonPromotion:
5266 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5268 case WhitePromotion:
5269 case BlackPromotion:
5270 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5271 gameInfo.variant == VariantMakruk)
5272 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5273 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5274 PieceToChar(WhiteFerz));
5275 else if(gameInfo.variant == VariantGreat)
5276 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5277 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5278 PieceToChar(WhiteMan));
5280 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5281 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5287 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5288 ToUpper(PieceToChar((ChessSquare) fromX)),
5289 AAA + toX, ONE + toY);
5291 case IllegalMove: /* could be a variant we don't quite understand */
5292 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5294 case WhiteCapturesEnPassant:
5295 case BlackCapturesEnPassant:
5296 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5297 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5300 SendToICS(user_move);
5301 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5302 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5307 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5308 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5309 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5310 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5311 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5314 if(gameMode != IcsExamining) { // is this ever not the case?
5315 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5317 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5318 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5319 } else { // on FICS we must first go to general examine mode
5320 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5322 if(gameInfo.variant != VariantNormal) {
5323 // try figure out wild number, as xboard names are not always valid on ICS
5324 for(i=1; i<=36; i++) {
5325 snprintf(buf, MSG_SIZ, "wild/%d", i);
5326 if(StringToVariant(buf) == gameInfo.variant) break;
5328 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5329 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5330 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5331 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5332 SendToICS(ics_prefix);
5334 if(startedFromSetupPosition || backwardMostMove != 0) {
5335 fen = PositionToFEN(backwardMostMove, NULL, 1);
5336 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5337 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5339 } else { // FICS: everything has to set by separate bsetup commands
5340 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5341 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5343 if(!WhiteOnMove(backwardMostMove)) {
5344 SendToICS("bsetup tomove black\n");
5346 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5347 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5349 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5350 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5352 i = boards[backwardMostMove][EP_STATUS];
5353 if(i >= 0) { // set e.p.
5354 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5360 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5361 SendToICS("bsetup done\n"); // switch to normal examining.
5363 for(i = backwardMostMove; i<last; i++) {
5365 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5366 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5367 int len = strlen(moveList[i]);
5368 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5369 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5373 SendToICS(ics_prefix);
5374 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5377 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5381 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5383 if (rf == DROP_RANK) {
5384 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5385 sprintf(move, "%c@%c%c\n",
5386 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5388 if (promoChar == 'x' || promoChar == NULLCHAR) {
5389 sprintf(move, "%c%c%c%c\n",
5390 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5391 if(killX >= 0 && killY >= 0) {
5392 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5393 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5396 sprintf(move, "%c%c%c%c%c\n",
5397 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5398 if(killX >= 0 && killY >= 0) {
5399 sprintf(move+4, ";%c%c%c\n", AAA + killX, ONE + killY, promoChar);
5400 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5407 ProcessICSInitScript (FILE *f)
5411 while (fgets(buf, MSG_SIZ, f)) {
5412 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5419 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5421 static ClickType lastClickType;
5424 PieceInString (char *s, ChessSquare piece)
5426 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5427 while((p = strchr(s, ID))) {
5428 if(!suffix || p[1] == suffix) return TRUE;
5435 Partner (ChessSquare *p)
5436 { // change piece into promotion partner if one shogi-promotes to the other
5437 ChessSquare partner = promoPartner[*p];
5438 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5439 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5447 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5448 static int toggleFlag;
5449 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5450 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5451 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5452 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5453 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5454 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5456 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5457 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5458 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5459 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5460 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5461 if(!step) step = -1;
5462 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5463 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5464 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5465 promoSweep == pawn ||
5466 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5467 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5469 int victim = boards[currentMove][toY][toX];
5470 boards[currentMove][toY][toX] = promoSweep;
5471 DrawPosition(FALSE, boards[currentMove]);
5472 boards[currentMove][toY][toX] = victim;
5474 ChangeDragPiece(promoSweep);
5478 PromoScroll (int x, int y)
5482 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5483 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5484 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5485 if(!step) return FALSE;
5486 lastX = x; lastY = y;
5487 if((promoSweep < BlackPawn) == flipView) step = -step;
5488 if(step > 0) selectFlag = 1;
5489 if(!selectFlag) Sweep(step);
5494 NextPiece (int step)
5496 ChessSquare piece = boards[currentMove][toY][toX];
5499 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5500 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5501 if(!step) step = -1;
5502 } while(PieceToChar(pieceSweep) == '.');
5503 boards[currentMove][toY][toX] = pieceSweep;
5504 DrawPosition(FALSE, boards[currentMove]);
5505 boards[currentMove][toY][toX] = piece;
5507 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5509 AlphaRank (char *move, int n)
5511 // char *p = move, c; int x, y;
5513 if (appData.debugMode) {
5514 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5518 move[2]>='0' && move[2]<='9' &&
5519 move[3]>='a' && move[3]<='x' ) {
5521 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5522 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5524 if(move[0]>='0' && move[0]<='9' &&
5525 move[1]>='a' && move[1]<='x' &&
5526 move[2]>='0' && move[2]<='9' &&
5527 move[3]>='a' && move[3]<='x' ) {
5528 /* input move, Shogi -> normal */
5529 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5530 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5531 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5532 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5535 move[3]>='0' && move[3]<='9' &&
5536 move[2]>='a' && move[2]<='x' ) {
5538 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5539 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5542 move[0]>='a' && move[0]<='x' &&
5543 move[3]>='0' && move[3]<='9' &&
5544 move[2]>='a' && move[2]<='x' ) {
5545 /* output move, normal -> Shogi */
5546 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5547 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5548 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5549 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5550 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5552 if (appData.debugMode) {
5553 fprintf(debugFP, " out = '%s'\n", move);
5557 char yy_textstr[8000];
5559 /* Parser for moves from gnuchess, ICS, or user typein box */
5561 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5563 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5565 switch (*moveType) {
5566 case WhitePromotion:
5567 case BlackPromotion:
5568 case WhiteNonPromotion:
5569 case BlackNonPromotion:
5572 case WhiteCapturesEnPassant:
5573 case BlackCapturesEnPassant:
5574 case WhiteKingSideCastle:
5575 case WhiteQueenSideCastle:
5576 case BlackKingSideCastle:
5577 case BlackQueenSideCastle:
5578 case WhiteKingSideCastleWild:
5579 case WhiteQueenSideCastleWild:
5580 case BlackKingSideCastleWild:
5581 case BlackQueenSideCastleWild:
5582 /* Code added by Tord: */
5583 case WhiteHSideCastleFR:
5584 case WhiteASideCastleFR:
5585 case BlackHSideCastleFR:
5586 case BlackASideCastleFR:
5587 /* End of code added by Tord */
5588 case IllegalMove: /* bug or odd chess variant */
5589 if(currentMoveString[1] == '@') { // illegal drop
5590 *fromX = WhiteOnMove(moveNum) ?
5591 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5592 (int) CharToPiece(ToLower(currentMoveString[0]));
5595 *fromX = currentMoveString[0] - AAA;
5596 *fromY = currentMoveString[1] - ONE;
5597 *toX = currentMoveString[2] - AAA;
5598 *toY = currentMoveString[3] - ONE;
5599 *promoChar = currentMoveString[4];
5600 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5601 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5602 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5603 if (appData.debugMode) {
5604 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5606 *fromX = *fromY = *toX = *toY = 0;
5609 if (appData.testLegality) {
5610 return (*moveType != IllegalMove);
5612 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5613 // [HGM] lion: if this is a double move we are less critical
5614 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5619 *fromX = *moveType == WhiteDrop ?
5620 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5621 (int) CharToPiece(ToLower(currentMoveString[0]));
5624 *toX = currentMoveString[2] - AAA;
5625 *toY = currentMoveString[3] - ONE;
5626 *promoChar = NULLCHAR;
5630 case ImpossibleMove:
5640 if (appData.debugMode) {
5641 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5644 *fromX = *fromY = *toX = *toY = 0;
5645 *promoChar = NULLCHAR;
5650 Boolean pushed = FALSE;
5651 char *lastParseAttempt;
5654 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5655 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5656 int fromX, fromY, toX, toY; char promoChar;
5661 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5662 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5663 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5666 endPV = forwardMostMove;
5668 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5669 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5670 lastParseAttempt = pv;
5671 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5672 if(!valid && nr == 0 &&
5673 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5674 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5675 // Hande case where played move is different from leading PV move
5676 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5677 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5678 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5679 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5680 endPV += 2; // if position different, keep this
5681 moveList[endPV-1][0] = fromX + AAA;
5682 moveList[endPV-1][1] = fromY + ONE;
5683 moveList[endPV-1][2] = toX + AAA;
5684 moveList[endPV-1][3] = toY + ONE;
5685 parseList[endPV-1][0] = NULLCHAR;
5686 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5689 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5690 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5691 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5692 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5693 valid++; // allow comments in PV
5697 if(endPV+1 > framePtr) break; // no space, truncate
5700 CopyBoard(boards[endPV], boards[endPV-1]);
5701 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5702 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5703 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5704 CoordsToAlgebraic(boards[endPV - 1],
5705 PosFlags(endPV - 1),
5706 fromY, fromX, toY, toX, promoChar,
5707 parseList[endPV - 1]);
5709 if(atEnd == 2) return; // used hidden, for PV conversion
5710 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5711 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5712 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5713 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5714 DrawPosition(TRUE, boards[currentMove]);
5718 MultiPV (ChessProgramState *cps, int kind)
5719 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5721 for(i=0; i<cps->nrOptions; i++) {
5722 char *s = cps->option[i].name;
5723 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5724 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5725 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5730 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5731 static int multi, pv_margin;
5732 static ChessProgramState *activeCps;
5735 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5737 int startPV, lineStart, origIndex = index;
5738 char *p, buf2[MSG_SIZ];
5739 ChessProgramState *cps = (pane ? &second : &first);
5741 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5742 lastX = x; lastY = y;
5743 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5744 lineStart = startPV = index;
5745 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5746 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5748 do{ while(buf[index] && buf[index] != '\n') index++;
5749 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5751 if(lineStart == 0 && gameMode == AnalyzeMode) {
5753 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5754 if(n == 0) { // click not on "fewer" or "more"
5755 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5756 pv_margin = cps->option[multi].value;
5757 activeCps = cps; // non-null signals margin adjustment
5759 } else if((multi = MultiPV(cps, 1)) >= 0) {
5760 n += cps->option[multi].value; if(n < 1) n = 1;
5761 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5762 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5763 cps->option[multi].value = n;
5767 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5768 ExcludeClick(origIndex - lineStart);
5770 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5771 Collapse(origIndex - lineStart);
5774 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5775 *start = startPV; *end = index-1;
5776 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5783 static char buf[10*MSG_SIZ];
5784 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5786 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5787 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5788 for(i = forwardMostMove; i<endPV; i++){
5789 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5790 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5793 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5794 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5795 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5801 LoadPV (int x, int y)
5802 { // called on right mouse click to load PV
5803 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5804 lastX = x; lastY = y;
5805 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5813 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5815 if(pv_margin != activeCps->option[multi].value) {
5817 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5818 SendToProgram(buf, activeCps);
5819 activeCps->option[multi].value = pv_margin;
5824 if(endPV < 0) return;
5825 if(appData.autoCopyPV) CopyFENToClipboard();
5827 if(extendGame && currentMove > forwardMostMove) {
5828 Boolean saveAnimate = appData.animate;
5830 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5831 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5832 } else storedGames--; // abandon shelved tail of original game
5835 forwardMostMove = currentMove;
5836 currentMove = oldFMM;
5837 appData.animate = FALSE;
5838 ToNrEvent(forwardMostMove);
5839 appData.animate = saveAnimate;
5841 currentMove = forwardMostMove;
5842 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5843 ClearPremoveHighlights();
5844 DrawPosition(TRUE, boards[currentMove]);
5848 MovePV (int x, int y, int h)
5849 { // step through PV based on mouse coordinates (called on mouse move)
5850 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5852 if(activeCps) { // adjusting engine's multi-pv margin
5853 if(x > lastX) pv_margin++; else
5854 if(x < lastX) pv_margin -= (pv_margin > 0);
5857 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5858 DisplayMessage(buf, "");
5863 // we must somehow check if right button is still down (might be released off board!)
5864 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5865 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5866 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5868 lastX = x; lastY = y;
5870 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5871 if(endPV < 0) return;
5872 if(y < margin) step = 1; else
5873 if(y > h - margin) step = -1;
5874 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5875 currentMove += step;
5876 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5877 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5878 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5879 DrawPosition(FALSE, boards[currentMove]);
5883 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5884 // All positions will have equal probability, but the current method will not provide a unique
5885 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5891 int piecesLeft[(int)BlackPawn];
5892 int seed, nrOfShuffles;
5895 GetPositionNumber ()
5896 { // sets global variable seed
5899 seed = appData.defaultFrcPosition;
5900 if(seed < 0) { // randomize based on time for negative FRC position numbers
5901 for(i=0; i<50; i++) seed += random();
5902 seed = random() ^ random() >> 8 ^ random() << 8;
5903 if(seed<0) seed = -seed;
5908 put (Board board, int pieceType, int rank, int n, int shade)
5909 // put the piece on the (n-1)-th empty squares of the given shade
5913 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5914 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5915 board[rank][i] = (ChessSquare) pieceType;
5916 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5918 piecesLeft[pieceType]--;
5927 AddOnePiece (Board board, int pieceType, int rank, int shade)
5928 // calculate where the next piece goes, (any empty square), and put it there
5932 i = seed % squaresLeft[shade];
5933 nrOfShuffles *= squaresLeft[shade];
5934 seed /= squaresLeft[shade];
5935 put(board, pieceType, rank, i, shade);
5939 AddTwoPieces (Board board, int pieceType, int rank)
5940 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5942 int i, n=squaresLeft[ANY], j=n-1, k;
5944 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5945 i = seed % k; // pick one
5948 while(i >= j) i -= j--;
5949 j = n - 1 - j; i += j;
5950 put(board, pieceType, rank, j, ANY);
5951 put(board, pieceType, rank, i, ANY);
5955 SetUpShuffle (Board board, int number)
5959 GetPositionNumber(); nrOfShuffles = 1;
5961 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5962 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5963 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5965 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5967 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5968 p = (int) board[0][i];
5969 if(p < (int) BlackPawn) piecesLeft[p] ++;
5970 board[0][i] = EmptySquare;
5973 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5974 // shuffles restricted to allow normal castling put KRR first
5975 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5976 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5977 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5978 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5979 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5980 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5981 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5982 put(board, WhiteRook, 0, 0, ANY);
5983 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5986 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5987 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5988 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5989 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5990 while(piecesLeft[p] >= 2) {
5991 AddOnePiece(board, p, 0, LITE);
5992 AddOnePiece(board, p, 0, DARK);
5994 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5997 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5998 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5999 // but we leave King and Rooks for last, to possibly obey FRC restriction
6000 if(p == (int)WhiteRook) continue;
6001 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
6002 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
6005 // now everything is placed, except perhaps King (Unicorn) and Rooks
6007 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
6008 // Last King gets castling rights
6009 while(piecesLeft[(int)WhiteUnicorn]) {
6010 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6011 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6014 while(piecesLeft[(int)WhiteKing]) {
6015 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6016 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6021 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6022 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6025 // Only Rooks can be left; simply place them all
6026 while(piecesLeft[(int)WhiteRook]) {
6027 i = put(board, WhiteRook, 0, 0, ANY);
6028 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6031 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6033 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6036 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6037 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6040 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6044 ptclen (const char *s, char *escapes)
6047 if(!*escapes) return strlen(s);
6048 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6053 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6054 /* [HGM] moved here from winboard.c because of its general usefulness */
6055 /* Basically a safe strcpy that uses the last character as King */
6057 int result = FALSE; int NrPieces;
6058 unsigned char partner[EmptySquare];
6060 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6061 && NrPieces >= 12 && !(NrPieces&1)) {
6062 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6064 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6065 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6067 if(map[j] == '/') offs = WhitePBishop - i, j++;
6068 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6069 table[i+offs] = map[j++];
6070 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6071 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6072 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6074 table[(int) WhiteKing] = map[j++];
6075 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6077 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6078 i = WHITE_TO_BLACK ii;
6079 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6080 table[i+offs] = map[j++];
6081 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6082 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6083 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6085 table[(int) BlackKing] = map[j++];
6088 if(*escapes) { // set up promotion pairing
6089 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6090 // pieceToChar entirely filled, so we can look up specified partners
6091 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6093 if(c == '^' || c == '-') { // has specified partner
6095 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6096 if(c == '^') table[i] = '+';
6097 if(p < EmptySquare) {
6098 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6099 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6100 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6102 } else if(c == '*') {
6103 table[i] = partner[i];
6104 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6116 SetCharTable (unsigned char *table, const char * map)
6118 return SetCharTableEsc(table, map, "");
6122 Prelude (Board board)
6123 { // [HGM] superchess: random selection of exo-pieces
6124 int i, j, k; ChessSquare p;
6125 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6127 GetPositionNumber(); // use FRC position number
6129 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6130 SetCharTable(pieceToChar, appData.pieceToCharTable);
6131 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6132 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6135 j = seed%4; seed /= 4;
6136 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6137 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6138 board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6139 j = seed%3 + (seed%3 >= j); seed /= 3;
6140 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6141 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6142 board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6143 j = seed%3; seed /= 3;
6144 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6145 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6146 board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6147 j = seed%2 + (seed%2 >= j); seed /= 2;
6148 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6149 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6150 board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6151 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6152 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6153 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6154 put(board, exoPieces[0], 0, 0, ANY);
6155 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6159 InitPosition (int redraw)
6161 ChessSquare (* pieces)[BOARD_FILES];
6162 int i, j, pawnRow=1, pieceRows=1, overrule,
6163 oldx = gameInfo.boardWidth,
6164 oldy = gameInfo.boardHeight,
6165 oldh = gameInfo.holdingsWidth;
6168 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6170 /* [AS] Initialize pv info list [HGM] and game status */
6172 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6173 pvInfoList[i].depth = 0;
6174 boards[i][EP_STATUS] = EP_NONE;
6175 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6178 initialRulePlies = 0; /* 50-move counter start */
6180 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6181 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6185 /* [HGM] logic here is completely changed. In stead of full positions */
6186 /* the initialized data only consist of the two backranks. The switch */
6187 /* selects which one we will use, which is than copied to the Board */
6188 /* initialPosition, which for the rest is initialized by Pawns and */
6189 /* empty squares. This initial position is then copied to boards[0], */
6190 /* possibly after shuffling, so that it remains available. */
6192 gameInfo.holdingsWidth = 0; /* default board sizes */
6193 gameInfo.boardWidth = 8;
6194 gameInfo.boardHeight = 8;
6195 gameInfo.holdingsSize = 0;
6196 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6197 for(i=0; i<BOARD_FILES-6; i++)
6198 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6199 initialPosition[EP_STATUS] = EP_NONE;
6200 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6201 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6202 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6203 SetCharTable(pieceNickName, appData.pieceNickNames);
6204 else SetCharTable(pieceNickName, "............");
6207 switch (gameInfo.variant) {
6208 case VariantFischeRandom:
6209 shuffleOpenings = TRUE;
6210 appData.fischerCastling = TRUE;
6213 case VariantShatranj:
6214 pieces = ShatranjArray;
6215 nrCastlingRights = 0;
6216 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6219 pieces = makrukArray;
6220 nrCastlingRights = 0;
6221 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6224 pieces = aseanArray;
6225 nrCastlingRights = 0;
6226 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6228 case VariantTwoKings:
6229 pieces = twoKingsArray;
6232 pieces = GrandArray;
6233 nrCastlingRights = 0;
6234 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6235 gameInfo.boardWidth = 10;
6236 gameInfo.boardHeight = 10;
6237 gameInfo.holdingsSize = 7;
6239 case VariantCapaRandom:
6240 shuffleOpenings = TRUE;
6241 appData.fischerCastling = TRUE;
6242 case VariantCapablanca:
6243 pieces = CapablancaArray;
6244 gameInfo.boardWidth = 10;
6245 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6248 pieces = GothicArray;
6249 gameInfo.boardWidth = 10;
6250 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6253 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6254 gameInfo.holdingsSize = 7;
6255 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6258 pieces = JanusArray;
6259 gameInfo.boardWidth = 10;
6260 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6261 nrCastlingRights = 6;
6262 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6263 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6264 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6265 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6266 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6267 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6270 pieces = FalconArray;
6271 gameInfo.boardWidth = 10;
6272 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6274 case VariantXiangqi:
6275 pieces = XiangqiArray;
6276 gameInfo.boardWidth = 9;
6277 gameInfo.boardHeight = 10;
6278 nrCastlingRights = 0;
6279 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6282 pieces = ShogiArray;
6283 gameInfo.boardWidth = 9;
6284 gameInfo.boardHeight = 9;
6285 gameInfo.holdingsSize = 7;
6286 nrCastlingRights = 0;
6287 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6290 pieces = ChuArray; pieceRows = 3;
6291 gameInfo.boardWidth = 12;
6292 gameInfo.boardHeight = 12;
6293 nrCastlingRights = 0;
6294 // SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6295 // "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6296 SetCharTableEsc(pieceToChar, "P.BRQSEXOG...HD..^DLI^HNV........^T..^L.C...A^AFT/^F^G^M.^E^X^O^I.^P.^B^R..M^S^C^VK"
6297 "p.brqsexog...hd..^dli^hnv........^t..^l.c...a^aft/^f^g^m.^e^x^o^i.^p.^b^r..m^s^c^vk", SUFFIXES);
6299 case VariantCourier:
6300 pieces = CourierArray;
6301 gameInfo.boardWidth = 12;
6302 nrCastlingRights = 0;
6303 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6305 case VariantKnightmate:
6306 pieces = KnightmateArray;
6307 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6309 case VariantSpartan:
6310 pieces = SpartanArray;
6311 SetCharTable(pieceToChar, "PNBRQ.....................K......lw......g...h......ck");
6315 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6317 case VariantChuChess:
6318 pieces = ChuChessArray;
6319 gameInfo.boardWidth = 10;
6320 gameInfo.boardHeight = 10;
6321 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6324 pieces = fairyArray;
6325 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6328 pieces = GreatArray;
6329 gameInfo.boardWidth = 10;
6330 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6331 gameInfo.holdingsSize = 8;
6335 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6336 gameInfo.holdingsSize = 8;
6337 startedFromSetupPosition = TRUE;
6339 case VariantCrazyhouse:
6340 case VariantBughouse:
6342 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6343 gameInfo.holdingsSize = 5;
6345 case VariantWildCastle:
6347 /* !!?shuffle with kings guaranteed to be on d or e file */
6348 shuffleOpenings = 1;
6350 case VariantNoCastle:
6351 /* !!?unconstrained back-rank shuffle */
6352 shuffleOpenings = 1;
6353 case VariantSuicide:
6355 nrCastlingRights = 0;
6360 if(appData.NrFiles >= 0) {
6361 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6362 gameInfo.boardWidth = appData.NrFiles;
6364 if(appData.NrRanks >= 0) {
6365 gameInfo.boardHeight = appData.NrRanks;
6367 if(appData.holdingsSize >= 0) {
6368 i = appData.holdingsSize;
6369 // if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6370 gameInfo.holdingsSize = i;
6372 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6373 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6374 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6376 if(!handSize) handSize = BOARD_HEIGHT;
6377 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6378 if(pawnRow < 1) pawnRow = 1;
6379 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6380 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6381 if(gameInfo.variant == VariantChu) pawnRow = 3;
6383 /* User pieceToChar list overrules defaults */
6384 if(appData.pieceToCharTable != NULL)
6385 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6387 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6389 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6390 s = (ChessSquare) 0; /* account holding counts in guard band */
6391 for( i=0; i<BOARD_HEIGHT; i++ )
6392 initialPosition[i][j] = s;
6394 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6395 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6396 initialPosition[pawnRow][j] = WhitePawn;
6397 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6398 if(gameInfo.variant == VariantXiangqi) {
6400 initialPosition[pawnRow][j] =
6401 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6402 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6403 initialPosition[2][j] = WhiteCannon;
6404 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6408 if(gameInfo.variant == VariantChu) {
6409 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6410 initialPosition[pawnRow+1][j] = WhiteCobra,
6411 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6412 for(i=1; i<pieceRows; i++) {
6413 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6414 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6417 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6418 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6419 initialPosition[0][j] = WhiteRook;
6420 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6423 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6425 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6426 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6429 initialPosition[1][j] = WhiteBishop;
6430 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6432 initialPosition[1][j] = WhiteRook;
6433 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6436 if( nrCastlingRights == -1) {
6437 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6438 /* This sets default castling rights from none to normal corners */
6439 /* Variants with other castling rights must set them themselves above */
6440 nrCastlingRights = 6;
6442 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6443 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6444 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6445 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6446 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6447 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6450 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6451 if(gameInfo.variant == VariantGreat) { // promotion commoners
6452 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6453 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6454 initialPosition[handSize-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6455 initialPosition[handSize-1-PieceToNumber(WhiteMan)][1] = 9;
6457 if( gameInfo.variant == VariantSChess ) {
6458 initialPosition[1][0] = BlackMarshall;
6459 initialPosition[2][0] = BlackAngel;
6460 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6461 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6462 initialPosition[1][1] = initialPosition[2][1] =
6463 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6465 initialPosition[CHECK_COUNT] = (gameInfo.variant == Variant3Check ? 0x303 : 0);
6466 if (appData.debugMode) {
6467 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6469 if(shuffleOpenings) {
6470 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6471 startedFromSetupPosition = TRUE;
6473 if(startedFromPositionFile) {
6474 /* [HGM] loadPos: use PositionFile for every new game */
6475 CopyBoard(initialPosition, filePosition);
6476 for(i=0; i<nrCastlingRights; i++)
6477 initialRights[i] = filePosition[CASTLING][i];
6478 startedFromSetupPosition = TRUE;
6480 if(*appData.men) LoadPieceDesc(appData.men);
6482 CopyBoard(boards[0], initialPosition);
6484 if(oldx != gameInfo.boardWidth ||
6485 oldy != gameInfo.boardHeight ||
6486 oldv != gameInfo.variant ||
6487 oldh != gameInfo.holdingsWidth
6489 InitDrawingSizes(-2 ,0);
6491 oldv = gameInfo.variant;
6493 DrawPosition(TRUE, boards[currentMove]);
6497 SendBoard (ChessProgramState *cps, int moveNum)
6499 char message[MSG_SIZ];
6501 if (cps->useSetboard) {
6502 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6503 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6504 SendToProgram(message, cps);
6509 int i, j, left=0, right=BOARD_WIDTH;
6510 /* Kludge to set black to move, avoiding the troublesome and now
6511 * deprecated "black" command.
6513 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6514 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn && !pieceDesc[WhitePawn] ? "a2a3\n" : "black\nforce\n", cps);
6516 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6518 SendToProgram("edit\n", cps);
6519 SendToProgram("#\n", cps);
6520 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6521 bp = &boards[moveNum][i][left];
6522 for (j = left; j < right; j++, bp++) {
6523 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6524 if ((int) *bp < (int) BlackPawn) {
6525 if(j == BOARD_RGHT+1)
6526 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6527 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6528 if(message[0] == '+' || message[0] == '~') {
6529 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6530 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6531 AAA + j, ONE + i - '0');
6533 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6534 message[1] = BOARD_RGHT - 1 - j + '1';
6535 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6537 SendToProgram(message, cps);
6542 SendToProgram("c\n", cps);
6543 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6544 bp = &boards[moveNum][i][left];
6545 for (j = left; j < right; j++, bp++) {
6546 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6547 if (((int) *bp != (int) EmptySquare)
6548 && ((int) *bp >= (int) BlackPawn)) {
6549 if(j == BOARD_LEFT-2)
6550 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6551 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6552 AAA + j, ONE + i - '0');
6553 if(message[0] == '+' || message[0] == '~') {
6554 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6555 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6556 AAA + j, ONE + i - '0');
6558 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6559 message[1] = BOARD_RGHT - 1 - j + '1';
6560 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6562 SendToProgram(message, cps);
6567 SendToProgram(".\n", cps);
6569 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6572 char exclusionHeader[MSG_SIZ];
6573 int exCnt, excludePtr;
6574 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6575 static Exclusion excluTab[200];
6576 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6582 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6583 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6589 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6590 excludePtr = 24; exCnt = 0;
6595 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6596 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6597 char buf[2*MOVE_LEN], *p;
6598 Exclusion *e = excluTab;
6600 for(i=0; i<exCnt; i++)
6601 if(e[i].ff == fromX && e[i].fr == fromY &&
6602 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6603 if(i == exCnt) { // was not in exclude list; add it
6604 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6605 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6606 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6609 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6610 excludePtr++; e[i].mark = excludePtr++;
6611 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6614 exclusionHeader[e[i].mark] = state;
6618 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6619 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6623 if((signed char)promoChar == -1) { // kludge to indicate best move
6624 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6625 return 1; // if unparsable, abort
6627 // update exclusion map (resolving toggle by consulting existing state)
6628 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6630 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6631 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6632 excludeMap[k] |= 1<<j;
6633 else excludeMap[k] &= ~(1<<j);
6635 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6637 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6638 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6640 return (state == '+');
6644 ExcludeClick (int index)
6647 Exclusion *e = excluTab;
6648 if(index < 25) { // none, best or tail clicked
6649 if(index < 13) { // none: include all
6650 WriteMap(0); // clear map
6651 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6652 SendToBoth("include all\n"); // and inform engine
6653 } else if(index > 18) { // tail
6654 if(exclusionHeader[19] == '-') { // tail was excluded
6655 SendToBoth("include all\n");
6656 WriteMap(0); // clear map completely
6657 // now re-exclude selected moves
6658 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6659 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6660 } else { // tail was included or in mixed state
6661 SendToBoth("exclude all\n");
6662 WriteMap(0xFF); // fill map completely
6663 // now re-include selected moves
6664 j = 0; // count them
6665 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6666 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6667 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6670 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6673 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6674 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6675 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6682 DefaultPromoChoice (int white)
6685 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6686 gameInfo.variant == VariantMakruk)
6687 result = WhiteFerz; // no choice
6688 else if(gameInfo.variant == VariantASEAN)
6689 result = WhiteRook; // no choice
6690 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6691 result= WhiteKing; // in Suicide Q is the last thing we want
6692 else if(gameInfo.variant == VariantSpartan)
6693 result = white ? WhiteQueen : WhiteAngel;
6694 else result = WhiteQueen;
6695 if(!white) result = WHITE_TO_BLACK result;
6699 static int autoQueen; // [HGM] oneclick
6702 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6704 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6705 /* [HGM] add Shogi promotions */
6706 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6707 ChessSquare piece, partner;
6711 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6712 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6714 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6715 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6718 if(legal[toY][toX] == 4) return FALSE;
6720 piece = boards[currentMove][fromY][fromX];
6721 if(gameInfo.variant == VariantChu) {
6722 promotionZoneSize = (BOARD_HEIGHT - deadRanks)/3;
6723 if(legal[toY][toX] == 6) return FALSE; // no promotion if highlights deny it
6724 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6725 } else if(gameInfo.variant == VariantShogi) {
6726 promotionZoneSize = (BOARD_HEIGHT- deadRanks)/3 +(BOARD_HEIGHT == 8);
6727 highestPromotingPiece = (int)WhiteAlfil;
6728 if(PieceToChar(piece) != '+' || PieceToChar(CHUPROMOTED(piece)) == '+') highestPromotingPiece = piece;
6729 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6730 promotionZoneSize = 3;
6733 // Treat Lance as Pawn when it is not representing Amazon or Lance
6734 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6735 if(piece == WhiteLance) piece = WhitePawn; else
6736 if(piece == BlackLance) piece = BlackPawn;
6739 // next weed out all moves that do not touch the promotion zone at all
6740 if((int)piece >= BlackPawn) {
6741 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6743 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6744 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6746 if( toY < BOARD_HEIGHT - deadRanks - promotionZoneSize &&
6747 fromY < BOARD_HEIGHT - deadRanks - promotionZoneSize) return FALSE;
6748 if(fromY >= BOARD_HEIGHT - deadRanks - promotionZoneSize && gameInfo.variant == VariantChuChess)
6752 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6754 // weed out mandatory Shogi promotions
6755 if(gameInfo.variant == VariantShogi) {
6756 if(piece >= BlackPawn) {
6757 if(toY == 0 && piece == BlackPawn ||
6758 toY == 0 && piece == BlackQueen ||
6759 toY <= 1 && piece == BlackKnight) {
6764 if(toY == BOARD_HEIGHT-deadRanks-1 && piece == WhitePawn ||
6765 toY == BOARD_HEIGHT-deadRanks-1 && piece == WhiteQueen ||
6766 toY >= BOARD_HEIGHT-deadRanks-2 && piece == WhiteKnight) {
6773 // weed out obviously illegal Pawn moves
6774 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6775 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6776 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6777 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6778 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6779 // note we are not allowed to test for valid (non-)capture, due to premove
6782 // we either have a choice what to promote to, or (in Shogi) whether to promote
6783 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6784 gameInfo.variant == VariantMakruk) {
6785 ChessSquare p=BlackFerz; // no choice
6786 while(p < EmptySquare) { //but make sure we use piece that exists
6787 *promoChoice = PieceToChar(p++);
6788 if(*promoChoice != '.') break;
6790 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6792 // no sense asking what we must promote to if it is going to explode...
6793 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6794 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6797 // give caller the default choice even if we will not make it
6798 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6799 partner = piece; // pieces can promote if the pieceToCharTable says so
6800 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6801 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6802 if( sweepSelect && gameInfo.variant != VariantGreat
6803 && gameInfo.variant != VariantGrand
6804 && gameInfo.variant != VariantSuper) return FALSE;
6805 if(autoQueen) return FALSE; // predetermined
6807 // suppress promotion popup on illegal moves that are not premoves
6808 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6809 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6810 if(appData.testLegality && !premove) {
6811 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6812 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6813 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6814 if(moveType != WhitePromotion && moveType != BlackPromotion)
6822 InPalace (int row, int column)
6823 { /* [HGM] for Xiangqi */
6824 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6825 column < (BOARD_WIDTH + 4)/2 &&
6826 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6831 PieceForSquare (int x, int y)
6833 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT) return -1;
6834 if(x == BOARD_RGHT+1 && handOffsets & 1) y += handSize - BOARD_HEIGHT;
6835 if(x == BOARD_LEFT-2 && !(handOffsets & 2)) y += handSize - BOARD_HEIGHT;
6836 return boards[currentMove][y][x];
6840 More (Board board, int col, int start, int end)
6843 for(k=start; k<end; k++) if(board[k][col]) return (col == 1 ? WhiteMonarch : BlackMonarch); // arrow image
6848 DrawPosition (int repaint, Board board)
6850 Board compactedBoard;
6851 if(handSize > BOARD_HEIGHT && board) {
6853 CopyBoard(compactedBoard, board);
6854 if(handOffsets & 1) {
6855 for(k=0; k<BOARD_HEIGHT; k++) {
6856 compactedBoard[k][BOARD_WIDTH-1] = board[k+handSize-BOARD_HEIGHT][BOARD_WIDTH-1];
6857 compactedBoard[k][BOARD_WIDTH-2] = board[k+handSize-BOARD_HEIGHT][BOARD_WIDTH-2];
6859 compactedBoard[0][BOARD_WIDTH-1] = More(board, BOARD_WIDTH-2, 0, handSize-BOARD_HEIGHT+1);
6860 } else compactedBoard[BOARD_HEIGHT-1][BOARD_WIDTH-1] = More(board, BOARD_WIDTH-2, BOARD_HEIGHT-1, handSize);
6861 if(!(handOffsets & 2)) {
6862 for(k=0; k<BOARD_HEIGHT; k++) {
6863 compactedBoard[k][0] = board[k+handSize-BOARD_HEIGHT][0];
6864 compactedBoard[k][1] = board[k+handSize-BOARD_HEIGHT][1];
6866 compactedBoard[0][0] = More(board, 1, 0, handSize-BOARD_HEIGHT+1);
6867 } else compactedBoard[BOARD_HEIGHT-1][0] = More(board, 1, BOARD_HEIGHT-1, handSize);
6868 DrawPositionX(TRUE, compactedBoard);
6869 } else DrawPositionX(repaint, board);
6873 OKToStartUserMove (int x, int y)
6875 ChessSquare from_piece;
6878 if (matchMode) return FALSE;
6879 if (gameMode == EditPosition) return TRUE;
6881 if (x >= 0 && y >= 0)
6882 from_piece = boards[currentMove][y][x];
6884 from_piece = EmptySquare;
6886 if (from_piece == EmptySquare) return FALSE;
6888 white_piece = (int)from_piece >= (int)WhitePawn &&
6889 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6893 case TwoMachinesPlay:
6901 case MachinePlaysWhite:
6902 case IcsPlayingBlack:
6903 if (appData.zippyPlay) return FALSE;
6905 DisplayMoveError(_("You are playing Black"));
6910 case MachinePlaysBlack:
6911 case IcsPlayingWhite:
6912 if (appData.zippyPlay) return FALSE;
6914 DisplayMoveError(_("You are playing White"));
6919 case PlayFromGameFile:
6920 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6923 if (!white_piece && WhiteOnMove(currentMove)) {
6924 DisplayMoveError(_("It is White's turn"));
6927 if (white_piece && !WhiteOnMove(currentMove)) {
6928 DisplayMoveError(_("It is Black's turn"));
6931 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6932 /* Editing correspondence game history */
6933 /* Could disallow this or prompt for confirmation */
6938 case BeginningOfGame:
6939 if (appData.icsActive) return FALSE;
6940 if (!appData.noChessProgram) {
6942 DisplayMoveError(_("You are playing White"));
6949 if (!white_piece && WhiteOnMove(currentMove)) {
6950 DisplayMoveError(_("It is White's turn"));
6953 if (white_piece && !WhiteOnMove(currentMove)) {
6954 DisplayMoveError(_("It is Black's turn"));
6963 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6964 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6965 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6966 && gameMode != AnalyzeFile && gameMode != Training) {
6967 DisplayMoveError(_("Displayed position is not current"));
6974 OnlyMove (int *x, int *y, Boolean captures)
6976 DisambiguateClosure cl;
6977 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6979 case MachinePlaysBlack:
6980 case IcsPlayingWhite:
6981 case BeginningOfGame:
6982 if(!WhiteOnMove(currentMove)) return FALSE;
6984 case MachinePlaysWhite:
6985 case IcsPlayingBlack:
6986 if(WhiteOnMove(currentMove)) return FALSE;
6993 cl.pieceIn = EmptySquare;
6998 cl.promoCharIn = NULLCHAR;
6999 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
7000 if( cl.kind == NormalMove ||
7001 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
7002 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
7003 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
7010 if(cl.kind != ImpossibleMove) return FALSE;
7011 cl.pieceIn = EmptySquare;
7016 cl.promoCharIn = NULLCHAR;
7017 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
7018 if( cl.kind == NormalMove ||
7019 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
7020 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
7021 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
7026 autoQueen = TRUE; // act as if autoQueen on when we click to-square
7032 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
7033 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
7034 int lastLoadGameUseList = FALSE;
7035 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
7036 ChessMove lastLoadGameStart = EndOfFile;
7038 Boolean addToBookFlag;
7039 static Board rightsBoard, nullBoard;
7042 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
7046 int ff=fromX, rf=fromY, ft=toX, rt=toY;
7048 /* Check if the user is playing in turn. This is complicated because we
7049 let the user "pick up" a piece before it is his turn. So the piece he
7050 tried to pick up may have been captured by the time he puts it down!
7051 Therefore we use the color the user is supposed to be playing in this
7052 test, not the color of the piece that is currently on the starting
7053 square---except in EditGame mode, where the user is playing both
7054 sides; fortunately there the capture race can't happen. (It can
7055 now happen in IcsExamining mode, but that's just too bad. The user
7056 will get a somewhat confusing message in that case.)
7061 case TwoMachinesPlay:
7065 /* We switched into a game mode where moves are not accepted,
7066 perhaps while the mouse button was down. */
7069 case MachinePlaysWhite:
7070 /* User is moving for Black */
7071 if (WhiteOnMove(currentMove)) {
7072 DisplayMoveError(_("It is White's turn"));
7077 case MachinePlaysBlack:
7078 /* User is moving for White */
7079 if (!WhiteOnMove(currentMove)) {
7080 DisplayMoveError(_("It is Black's turn"));
7085 case PlayFromGameFile:
7086 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7089 case BeginningOfGame:
7092 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7093 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7094 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7095 /* User is moving for Black */
7096 if (WhiteOnMove(currentMove)) {
7097 DisplayMoveError(_("It is White's turn"));
7101 /* User is moving for White */
7102 if (!WhiteOnMove(currentMove)) {
7103 DisplayMoveError(_("It is Black's turn"));
7109 case IcsPlayingBlack:
7110 /* User is moving for Black */
7111 if (WhiteOnMove(currentMove)) {
7112 if (!appData.premove) {
7113 DisplayMoveError(_("It is White's turn"));
7114 } else if (toX >= 0 && toY >= 0) {
7117 premoveFromX = fromX;
7118 premoveFromY = fromY;
7119 premovePromoChar = promoChar;
7121 if (appData.debugMode)
7122 fprintf(debugFP, "Got premove: fromX %d,"
7123 "fromY %d, toX %d, toY %d\n",
7124 fromX, fromY, toX, toY);
7126 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7131 case IcsPlayingWhite:
7132 /* User is moving for White */
7133 if (!WhiteOnMove(currentMove)) {
7134 if (!appData.premove) {
7135 DisplayMoveError(_("It is Black's turn"));
7136 } else if (toX >= 0 && toY >= 0) {
7139 premoveFromX = fromX;
7140 premoveFromY = fromY;
7141 premovePromoChar = promoChar;
7143 if (appData.debugMode)
7144 fprintf(debugFP, "Got premove: fromX %d,"
7145 "fromY %d, toX %d, toY %d\n",
7146 fromX, fromY, toX, toY);
7148 DrawPosition(TRUE, boards[currentMove]);
7157 /* EditPosition, empty square, or different color piece;
7158 click-click move is possible */
7159 if (toX == -2 || toY == -2) {
7160 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7161 DrawPosition(FALSE, boards[currentMove]);
7163 } else if (toX >= 0 && toY >= 0) {
7164 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7165 ChessSquare p = boards[0][rf][ff];
7166 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7167 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p); else
7168 if(p == WhiteKing || p == BlackKing || p == WhiteRook || p == BlackRook || p == WhitePawn || p == BlackPawn) {
7169 int n = rightsBoard[toY][toX] ^= 1; // toggle virginity of K or R
7170 DisplayMessage("", n ? _("rights granted") : _("rights revoked"));
7173 } else rightsBoard[toY][toX] = 0; // revoke rights on moving
7174 boards[0][toY][toX] = boards[0][fromY][fromX];
7175 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7176 if(boards[0][fromY][0] != EmptySquare) {
7177 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7178 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7181 if(fromX == BOARD_RGHT+1) {
7182 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7183 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7184 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7187 boards[0][fromY][fromX] = gatingPiece;
7189 DrawPosition(FALSE, boards[currentMove]);
7195 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7196 pup = boards[currentMove][toY][toX];
7198 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7199 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7200 if( pup != EmptySquare ) return;
7201 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7202 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7203 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7204 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7205 if(fromX == 0) fromY = handSize-1 - fromY; // black holdings upside-down
7206 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7207 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7211 /* [HGM] always test for legality, to get promotion info */
7212 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7213 fromY, fromX, toY, toX, promoChar);
7215 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7217 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7219 /* [HGM] but possibly ignore an IllegalMove result */
7220 if (appData.testLegality) {
7221 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7222 DisplayMoveError(_("Illegal move"));
7227 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7228 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7229 ClearPremoveHighlights(); // was included
7230 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7231 DrawPosition(FALSE, NULL);
7235 if(addToBookFlag) { // adding moves to book
7236 char buf[MSG_SIZ], move[MSG_SIZ];
7237 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7238 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7239 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7240 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7242 addToBookFlag = FALSE;
7247 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7250 /* Common tail of UserMoveEvent and DropMenuEvent */
7252 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7256 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7257 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7258 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7259 if(WhiteOnMove(currentMove)) {
7260 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7262 if(!boards[currentMove][handSize-1-k][1]) return 0;
7266 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7267 move type in caller when we know the move is a legal promotion */
7268 if(moveType == NormalMove && promoChar)
7269 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7271 /* [HGM] <popupFix> The following if has been moved here from
7272 UserMoveEvent(). Because it seemed to belong here (why not allow
7273 piece drops in training games?), and because it can only be
7274 performed after it is known to what we promote. */
7275 if (gameMode == Training) {
7276 /* compare the move played on the board to the next move in the
7277 * game. If they match, display the move and the opponent's response.
7278 * If they don't match, display an error message.
7282 CopyBoard(testBoard, boards[currentMove]);
7283 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7285 if (CompareBoards(testBoard, boards[currentMove+1])) {
7286 ForwardInner(currentMove+1);
7288 /* Autoplay the opponent's response.
7289 * if appData.animate was TRUE when Training mode was entered,
7290 * the response will be animated.
7292 saveAnimate = appData.animate;
7293 appData.animate = animateTraining;
7294 ForwardInner(currentMove+1);
7295 appData.animate = saveAnimate;
7297 /* check for the end of the game */
7298 if (currentMove >= forwardMostMove) {
7299 gameMode = PlayFromGameFile;
7301 SetTrainingModeOff();
7302 DisplayInformation(_("End of game"));
7305 DisplayError(_("Incorrect move"), 0);
7310 /* Ok, now we know that the move is good, so we can kill
7311 the previous line in Analysis Mode */
7312 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7313 && currentMove < forwardMostMove) {
7314 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7315 else forwardMostMove = currentMove;
7320 /* If we need the chess program but it's dead, restart it */
7321 ResurrectChessProgram();
7323 /* A user move restarts a paused game*/
7327 thinkOutput[0] = NULLCHAR;
7329 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7331 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7332 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7336 if (gameMode == BeginningOfGame) {
7337 if (appData.noChessProgram) {
7338 gameMode = EditGame;
7342 gameMode = MachinePlaysBlack;
7345 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7347 if (first.sendName) {
7348 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7349 SendToProgram(buf, &first);
7356 /* Relay move to ICS or chess engine */
7357 if (appData.icsActive) {
7358 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7359 gameMode == IcsExamining) {
7360 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7361 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7363 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7365 // also send plain move, in case ICS does not understand atomic claims
7366 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7370 if (first.sendTime && (gameMode == BeginningOfGame ||
7371 gameMode == MachinePlaysWhite ||
7372 gameMode == MachinePlaysBlack)) {
7373 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7375 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7376 // [HGM] book: if program might be playing, let it use book
7377 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7378 first.maybeThinking = TRUE;
7379 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7380 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7381 SendBoard(&first, currentMove+1);
7382 if(second.analyzing) {
7383 if(!second.useSetboard) SendToProgram("undo\n", &second);
7384 SendBoard(&second, currentMove+1);
7387 SendMoveToProgram(forwardMostMove-1, &first);
7388 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7390 if (currentMove == cmailOldMove + 1) {
7391 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7395 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7399 if(appData.testLegality)
7400 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7406 if (WhiteOnMove(currentMove)) {
7407 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7409 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7413 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7418 case MachinePlaysBlack:
7419 case MachinePlaysWhite:
7420 /* disable certain menu options while machine is thinking */
7421 SetMachineThinkingEnables();
7428 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7429 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7431 if(bookHit) { // [HGM] book: simulate book reply
7432 static char bookMove[MSG_SIZ]; // a bit generous?
7434 programStats.nodes = programStats.depth = programStats.time =
7435 programStats.score = programStats.got_only_move = 0;
7436 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7438 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7439 strcat(bookMove, bookHit);
7440 HandleMachineMove(bookMove, &first);
7446 MarkByFEN(char *fen)
7449 if(!appData.markers || !appData.highlightDragging) return;
7450 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = marker[r][f] = 0;
7451 r=BOARD_HEIGHT-1-deadRanks; f=BOARD_LEFT;
7454 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7455 if(*fen == 'B') legal[r][f] = 4; else // request auto-promotion to victim
7456 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 6; else
7457 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7458 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7459 if(*fen == 'T') marker[r][f++] = 0; else
7460 if(*fen == 'Y') marker[r][f++] = 1; else
7461 if(*fen == 'G') marker[r][f++] = 3; else
7462 if(*fen == 'B') marker[r][f++] = 4; else
7463 if(*fen == 'C') marker[r][f++] = 5; else
7464 if(*fen == 'M') marker[r][f++] = 6; else
7465 if(*fen == 'W') marker[r][f++] = 7; else
7466 if(*fen == 'D') marker[r][f++] = 8; else
7467 if(*fen == 'R') marker[r][f++] = 2; else {
7468 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7471 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7475 DrawPosition(TRUE, NULL);
7478 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7481 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7483 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7484 Markers *m = (Markers *) closure;
7485 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7486 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7487 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7488 || kind == WhiteCapturesEnPassant
7489 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7490 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7493 static int hoverSavedValid;
7496 MarkTargetSquares (int clear)
7499 if(clear) { // no reason to ever suppress clearing
7500 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7501 hoverSavedValid = 0;
7502 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7505 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7506 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7507 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7508 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7509 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7511 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = legal[y][x] = 0;
7514 DrawPosition(FALSE, NULL);
7518 Explode (Board board, int fromX, int fromY, int toX, int toY)
7520 if(gameInfo.variant == VariantAtomic &&
7521 (board[toY][toX] != EmptySquare || // capture?
7522 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7523 board[fromY][fromX] == BlackPawn )
7525 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7531 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7534 CanPromote (ChessSquare piece, int y)
7536 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7537 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7538 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7539 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7540 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7541 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7542 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7543 return (piece == BlackPawn && y <= zone ||
7544 piece == WhitePawn && y >= BOARD_HEIGHT-1-deadRanks-zone ||
7545 piece == BlackLance && y <= zone ||
7546 piece == WhiteLance && y >= BOARD_HEIGHT-1-deadRanks-zone );
7550 HoverEvent (int xPix, int yPix, int x, int y)
7552 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7554 if(!first.highlight) return;
7555 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7556 if(x == oldX && y == oldY) return; // only do something if we enter new square
7557 oldFromX = fromX; oldFromY = fromY;
7558 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7559 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7560 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7561 hoverSavedValid = 1;
7562 } else if(oldX != x || oldY != y) {
7563 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7564 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7565 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7566 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7567 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7569 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7570 SendToProgram(buf, &first);
7573 // SetHighlights(fromX, fromY, x, y);
7577 void ReportClick(char *action, int x, int y)
7579 char buf[MSG_SIZ]; // Inform engine of what user does
7581 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7582 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7583 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7584 if(!first.highlight || gameMode == EditPosition) return;
7585 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7586 SendToProgram(buf, &first);
7589 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7590 Boolean deferChoice;
7591 int createX = -1, createY = -1; // square where we last created a piece in EditPosition mode
7594 LeftClick (ClickType clickType, int xPix, int yPix)
7597 static Boolean saveAnimate;
7598 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7599 char promoChoice = NULLCHAR;
7601 static TimeMark lastClickTime, prevClickTime;
7603 if(flashing) return;
7605 if(!deferChoice) { // when called for a retry, skip everything to the point where we left off
7606 x = EventToSquare(xPix, BOARD_WIDTH);
7607 y = EventToSquare(yPix, BOARD_HEIGHT);
7608 if (!flipView && y >= 0) {
7609 y = BOARD_HEIGHT - 1 - y;
7611 if (flipView && x >= 0) {
7612 x = BOARD_WIDTH - 1 - x;
7615 // map clicks in offsetted holdings back to true coords (or switch the offset)
7616 if(x == BOARD_RGHT+1) {
7617 if(handOffsets & 1) {
7618 if(y == 0) { handOffsets &= ~1; DrawPosition(TRUE, boards[currentMove]); return; }
7619 y += handSize - BOARD_HEIGHT;
7620 } else if(y == BOARD_HEIGHT-1) { handOffsets |= 1; DrawPosition(TRUE, boards[currentMove]); return; }
7622 if(x == BOARD_LEFT-2) {
7623 if(!(handOffsets & 2)) {
7624 if(y == 0) { handOffsets |= 2; DrawPosition(TRUE, boards[currentMove]); return; }
7625 y += handSize - BOARD_HEIGHT;
7626 } else if(y == BOARD_HEIGHT-1) { handOffsets &= ~2; DrawPosition(TRUE, boards[currentMove]); return; }
7629 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press &&
7630 (boards[currentMove][y][x] == EmptySquare || x == createX && y == createY) ) {
7632 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7637 createX = createY = -1;
7639 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7641 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7643 if (clickType == Press) ErrorPopDown();
7644 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7646 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7647 defaultPromoChoice = promoSweep;
7648 promoSweep = EmptySquare; // terminate sweep
7649 promoDefaultAltered = TRUE;
7650 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7653 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7654 if(clickType == Release) return; // ignore upclick of click-click destination
7655 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7656 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7657 if(gameInfo.holdingsWidth &&
7658 (WhiteOnMove(currentMove)
7659 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7660 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7661 // click in right holdings, for determining promotion piece
7662 ChessSquare p = boards[currentMove][y][x];
7663 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7664 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7665 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7666 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7671 DrawPosition(FALSE, boards[currentMove]);
7675 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7676 if(clickType == Press
7677 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7678 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7679 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7682 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7683 // could be static click on premove from-square: abort premove
7685 ClearPremoveHighlights();
7688 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7689 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7691 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7692 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7693 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7694 defaultPromoChoice = DefaultPromoChoice(side);
7697 autoQueen = appData.alwaysPromoteToQueen;
7701 gatingPiece = EmptySquare;
7702 if (clickType != Press) {
7703 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7704 DragPieceEnd(xPix, yPix); dragging = 0;
7705 DrawPosition(FALSE, NULL);
7709 doubleClick = FALSE;
7710 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7711 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7713 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7714 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7715 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7716 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7718 if (OKToStartUserMove(fromX, fromY)) {
7720 ReportClick("lift", x, y);
7721 MarkTargetSquares(0);
7722 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7723 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7724 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7725 promoSweep = defaultPromoChoice;
7726 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7727 Sweep(0); // Pawn that is going to promote: preview promotion piece
7728 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7730 if (appData.highlightDragging) {
7731 SetHighlights(fromX, fromY, -1, -1);
7735 } else fromX = fromY = -1;
7741 if (clickType == Press && gameMode != EditPosition) {
7746 // ignore off-board to clicks
7747 if(y < 0 || x < 0) return;
7749 /* Check if clicking again on the same color piece */
7750 fromP = boards[currentMove][fromY][fromX];
7751 toP = boards[currentMove][y][x];
7752 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7753 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7754 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7755 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7756 WhitePawn <= toP && toP <= WhiteKing &&
7757 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7758 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7759 (BlackPawn <= fromP && fromP <= BlackKing &&
7760 BlackPawn <= toP && toP <= BlackKing &&
7761 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7762 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7763 /* Clicked again on same color piece -- changed his mind */
7764 second = (x == fromX && y == fromY);
7765 killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7766 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7767 second = FALSE; // first double-click rather than scond click
7768 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7770 promoDefaultAltered = FALSE;
7771 if(!second) MarkTargetSquares(1);
7772 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7773 if (appData.highlightDragging) {
7774 SetHighlights(x, y, -1, -1);
7778 if (OKToStartUserMove(x, y)) {
7779 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7780 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7781 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7782 gatingPiece = boards[currentMove][fromY][fromX];
7783 else gatingPiece = doubleClick ? fromP : EmptySquare;
7785 fromY = y; dragging = 1;
7786 if(!second) ReportClick("lift", x, y);
7787 MarkTargetSquares(0);
7788 DragPieceBegin(xPix, yPix, FALSE);
7789 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7790 promoSweep = defaultPromoChoice;
7791 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7792 Sweep(0); // Pawn that is going to promote: preview promotion piece
7796 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7799 // ignore clicks on holdings
7800 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7803 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7804 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7805 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7809 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7810 DragPieceEnd(xPix, yPix); dragging = 0;
7812 // a deferred attempt to click-click move an empty square on top of a piece
7813 boards[currentMove][y][x] = EmptySquare;
7815 DrawPosition(FALSE, boards[currentMove]);
7816 fromX = fromY = -1; clearFlag = 0;
7819 if (appData.animateDragging) {
7820 /* Undo animation damage if any */
7821 DrawPosition(FALSE, NULL);
7824 /* Second up/down in same square; just abort move */
7827 gatingPiece = EmptySquare;
7830 ClearPremoveHighlights();
7831 MarkTargetSquares(-1);
7832 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7834 /* First upclick in same square; start click-click mode */
7835 SetHighlights(x, y, -1, -1);
7842 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7843 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7844 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7845 DisplayMessage(_("only marked squares are legal"),"");
7846 DrawPosition(TRUE, NULL);
7847 return; // ignore to-click
7850 /* we now have a different from- and (possibly off-board) to-square */
7851 /* Completed move */
7852 if(!sweepSelecting) {
7857 piece = boards[currentMove][fromY][fromX];
7859 saveAnimate = appData.animate;
7860 if (clickType == Press) {
7861 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7862 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7863 // must be Edit Position mode with empty-square selected
7864 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7865 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7868 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7871 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7872 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7874 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7875 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7876 if(appData.sweepSelect) {
7877 promoSweep = defaultPromoChoice;
7878 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7879 selectFlag = 0; lastX = xPix; lastY = yPix;
7880 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7881 saveFlash = appData.flashCount; appData.flashCount = 0;
7882 Sweep(0); // Pawn that is going to promote: preview promotion piece
7884 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7885 MarkTargetSquares(1);
7887 return; // promo popup appears on up-click
7889 /* Finish clickclick move */
7890 if (appData.animate || appData.highlightLastMove) {
7891 SetHighlights(fromX, fromY, toX, toY);
7895 MarkTargetSquares(1);
7896 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7897 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7898 *promoRestrict = 0; appData.flashCount = saveFlash;
7899 if (appData.animate || appData.highlightLastMove) {
7900 SetHighlights(fromX, fromY, toX, toY);
7904 MarkTargetSquares(1);
7907 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7908 /* Finish drag move */
7909 if (appData.highlightLastMove) {
7910 SetHighlights(fromX, fromY, toX, toY);
7915 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7916 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7917 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7918 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7919 dragging *= 2; // flag button-less dragging if we are dragging
7920 MarkTargetSquares(1);
7921 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7923 kill2X = killX; kill2Y = killY;
7924 killX = x; killY = y; // remember this square as intermediate
7925 ReportClick("put", x, y); // and inform engine
7926 ReportClick("lift", x, y);
7927 MarkTargetSquares(0);
7931 DragPieceEnd(xPix, yPix); dragging = 0;
7932 /* Don't animate move and drag both */
7933 appData.animate = FALSE;
7934 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7937 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7938 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7939 ChessSquare piece = boards[currentMove][fromY][fromX];
7940 if(gameMode == EditPosition && piece != EmptySquare &&
7941 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7944 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7945 n = PieceToNumber(piece - (int)BlackPawn);
7946 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7947 boards[currentMove][handSize-1 - n][0] = piece;
7948 boards[currentMove][handSize-1 - n][1]++;
7950 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7951 n = PieceToNumber(piece);
7952 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7953 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7954 boards[currentMove][n][BOARD_WIDTH-2]++;
7956 boards[currentMove][fromY][fromX] = EmptySquare;
7960 MarkTargetSquares(1);
7961 DrawPosition(TRUE, boards[currentMove]);
7965 // off-board moves should not be highlighted
7966 if(x < 0 || y < 0) {
7968 DrawPosition(FALSE, NULL);
7969 } else ReportClick("put", x, y);
7971 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7974 if(legal[toY][toX] == 2) { // highlight-induced promotion
7975 if(piece == defaultPromoChoice) promoChoice = NULLCHAR; // deferral
7976 else promoChoice = ToLower(PieceToChar(defaultPromoChoice));
7977 } else if(legal[toY][toX] == 4) { // blue target square: engine must supply promotion choice
7978 if(!*promoRestrict) { // but has not done that yet
7979 deferChoice = TRUE; // set up retry for when it does
7980 return; // and wait for that
7982 promoChoice = ToLower(*promoRestrict); // force engine's choice
7983 deferChoice = FALSE;
7986 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7987 SetHighlights(fromX, fromY, toX, toY);
7988 MarkTargetSquares(1);
7989 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7990 // [HGM] super: promotion to captured piece selected from holdings
7991 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7992 promotionChoice = TRUE;
7993 // kludge follows to temporarily execute move on display, without promoting yet
7994 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7995 boards[currentMove][toY][toX] = p;
7996 DrawPosition(FALSE, boards[currentMove]);
7997 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7998 boards[currentMove][toY][toX] = q;
7999 DisplayMessage("Click in holdings to choose piece", "");
8002 DrawPosition(FALSE, NULL); // shows piece on from-square during promo popup
8003 PromotionPopUp(promoChoice);
8005 int oldMove = currentMove;
8006 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
8007 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
8008 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
8009 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY), DrawPosition(FALSE, NULL);
8010 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
8011 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
8012 DrawPosition(TRUE, boards[currentMove]);
8013 else DrawPosition(FALSE, NULL);
8017 appData.animate = saveAnimate;
8018 if (appData.animate || appData.animateDragging) {
8019 /* Undo animation damage if needed */
8020 // DrawPosition(FALSE, NULL);
8025 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
8026 { // front-end-free part taken out of PieceMenuPopup
8027 int whichMenu; int xSqr, ySqr;
8029 if(seekGraphUp) { // [HGM] seekgraph
8030 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
8031 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
8035 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
8036 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
8037 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
8038 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
8039 if(action == Press) {
8040 originalFlip = flipView;
8041 flipView = !flipView; // temporarily flip board to see game from partners perspective
8042 DrawPosition(TRUE, partnerBoard);
8043 DisplayMessage(partnerStatus, "");
8045 } else if(action == Release) {
8046 flipView = originalFlip;
8047 DrawPosition(TRUE, boards[currentMove]);
8053 xSqr = EventToSquare(x, BOARD_WIDTH);
8054 ySqr = EventToSquare(y, BOARD_HEIGHT);
8055 if (action == Release) {
8056 if(pieceSweep != EmptySquare) {
8057 EditPositionMenuEvent(pieceSweep, toX, toY);
8058 pieceSweep = EmptySquare;
8059 } else UnLoadPV(); // [HGM] pv
8061 if (action != Press) return -2; // return code to be ignored
8064 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
8066 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
8067 if (xSqr < 0 || ySqr < 0) return -1;
8068 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
8069 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8070 if(xSqr == createX && ySqr == createY && xSqr != BOARD_LEFT-2 && xSqr != BOARD_RGHT+1) {
8071 ChessSquare p = boards[currentMove][ySqr][xSqr];
8072 do { if(++p == EmptySquare) p = WhitePawn; } while(PieceToChar(p) == '.');
8073 boards[currentMove][ySqr][xSqr] = p; DrawPosition(FALSE, boards[currentMove]);
8076 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
8077 createX = toX = xSqr; createY = toY = ySqr; lastX = x, lastY = y;
8081 if(!appData.icsEngineAnalyze) return -1;
8082 case IcsPlayingWhite:
8083 case IcsPlayingBlack:
8084 if(!appData.zippyPlay) goto noZip;
8087 case MachinePlaysWhite:
8088 case MachinePlaysBlack:
8089 case TwoMachinesPlay: // [HGM] pv: use for showing PV
8090 if (!appData.dropMenu) {
8092 return 2; // flag front-end to grab mouse events
8094 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
8095 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
8098 if (xSqr < 0 || ySqr < 0) return -1;
8099 if (!appData.dropMenu || appData.testLegality &&
8100 gameInfo.variant != VariantBughouse &&
8101 gameInfo.variant != VariantCrazyhouse) return -1;
8102 whichMenu = 1; // drop menu
8108 if (((*fromX = xSqr) < 0) ||
8109 ((*fromY = ySqr) < 0)) {
8110 *fromX = *fromY = -1;
8114 *fromX = BOARD_WIDTH - 1 - *fromX;
8116 *fromY = BOARD_HEIGHT - 1 - *fromY;
8122 Wheel (int dir, int x, int y)
8124 if(gameMode == EditPosition) {
8125 int xSqr = EventToSquare(x, BOARD_WIDTH);
8126 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8127 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8128 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8130 boards[currentMove][ySqr][xSqr] += dir;
8131 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8132 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8133 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8134 DrawPosition(FALSE, boards[currentMove]);
8135 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8139 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8141 // char * hint = lastHint;
8142 FrontEndProgramStats stats;
8144 stats.which = cps == &first ? 0 : 1;
8145 stats.depth = cpstats->depth;
8146 stats.nodes = cpstats->nodes;
8147 stats.score = cpstats->score;
8148 stats.time = cpstats->time;
8149 stats.pv = cpstats->movelist;
8150 stats.hint = lastHint;
8151 stats.an_move_index = 0;
8152 stats.an_move_count = 0;
8154 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8155 stats.hint = cpstats->move_name;
8156 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8157 stats.an_move_count = cpstats->nr_moves;
8160 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
8162 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8163 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8165 SetProgramStats( &stats );
8169 ClearEngineOutputPane (int which)
8171 static FrontEndProgramStats dummyStats;
8172 dummyStats.which = which;
8173 dummyStats.pv = "#";
8174 SetProgramStats( &dummyStats );
8177 #define MAXPLAYERS 500
8180 TourneyStandings (int display)
8182 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8183 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8184 char result, *p, *names[MAXPLAYERS];
8186 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8187 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8188 names[0] = p = strdup(appData.participants);
8189 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8191 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8193 while(result = appData.results[nr]) {
8194 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8195 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8196 wScore = bScore = 0;
8198 case '+': wScore = 2; break;
8199 case '-': bScore = 2; break;
8200 case '=': wScore = bScore = 1; break;
8202 case '*': return strdup("busy"); // tourney not finished
8210 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8211 for(w=0; w<nPlayers; w++) {
8213 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8214 ranking[w] = b; points[w] = bScore; score[b] = -2;
8216 p = malloc(nPlayers*34+1);
8217 for(w=0; w<nPlayers && w<display; w++)
8218 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8224 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8225 { // count all piece types
8227 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8228 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8229 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8232 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8233 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8234 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8235 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8236 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8237 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8242 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8244 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8245 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8247 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8248 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8249 if(myPawns == 2 && nMine == 3) // KPP
8250 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8251 if(myPawns == 1 && nMine == 2) // KP
8252 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8253 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8254 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8255 if(myPawns) return FALSE;
8256 if(pCnt[WhiteRook+side])
8257 return pCnt[BlackRook-side] ||
8258 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8259 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8260 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8261 if(pCnt[WhiteCannon+side]) {
8262 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8263 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8265 if(pCnt[WhiteKnight+side])
8266 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8271 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8273 VariantClass v = gameInfo.variant;
8275 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8276 if(v == VariantShatranj) return TRUE; // always winnable through baring
8277 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8278 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8280 if(v == VariantXiangqi) {
8281 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8283 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8284 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8285 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8286 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8287 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8288 if(stale) // we have at least one last-rank P plus perhaps C
8289 return majors // KPKX
8290 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8292 return pCnt[WhiteFerz+side] // KCAK
8293 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8294 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8295 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8297 } else if(v == VariantKnightmate) {
8298 if(nMine == 1) return FALSE;
8299 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8300 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8301 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8303 if(nMine == 1) return FALSE; // bare King
8304 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
8305 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8306 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8307 // by now we have King + 1 piece (or multiple Bishops on the same color)
8308 if(pCnt[WhiteKnight+side])
8309 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8310 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8311 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8313 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8314 if(pCnt[WhiteAlfil+side])
8315 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8316 if(pCnt[WhiteWazir+side])
8317 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8324 CompareWithRights (Board b1, Board b2)
8327 if(!CompareBoards(b1, b2)) return FALSE;
8328 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8329 /* compare castling rights */
8330 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8331 rights++; /* King lost rights, while rook still had them */
8332 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8333 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8334 rights++; /* but at least one rook lost them */
8336 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8338 if( b1[CASTLING][5] != NoRights ) {
8339 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8346 Adjudicate (ChessProgramState *cps)
8347 { // [HGM] some adjudications useful with buggy engines
8348 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8349 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8350 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8351 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8352 int k, drop, count = 0; static int bare = 1;
8353 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8354 Boolean canAdjudicate = !appData.icsActive;
8356 // most tests only when we understand the game, i.e. legality-checking on
8357 if( appData.testLegality )
8358 { /* [HGM] Some more adjudications for obstinate engines */
8359 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8360 static int moveCount = 6;
8362 char *reason = NULL;
8364 /* Count what is on board. */
8365 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8367 /* Some material-based adjudications that have to be made before stalemate test */
8368 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8369 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8370 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8371 if(canAdjudicate && appData.checkMates) {
8373 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8374 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8375 "Xboard adjudication: King destroyed", GE_XBOARD );
8380 /* Bare King in Shatranj (loses) or Losers (wins) */
8381 if( nrW == 1 || nrB == 1) {
8382 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8383 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8384 if(canAdjudicate && appData.checkMates) {
8386 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8387 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8388 "Xboard adjudication: Bare king", GE_XBOARD );
8392 if( gameInfo.variant == VariantShatranj && --bare < 0)
8394 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8395 if(canAdjudicate && appData.checkMates) {
8396 /* but only adjudicate if adjudication enabled */
8398 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8399 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8400 "Xboard adjudication: Bare king", GE_XBOARD );
8407 // don't wait for engine to announce game end if we can judge ourselves
8408 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8410 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8411 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8412 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8413 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8416 reason = "Xboard adjudication: 3rd check";
8417 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8428 reason = "Xboard adjudication: Stalemate";
8429 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8430 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8431 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8432 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8433 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8434 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8435 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8436 EP_CHECKMATE : EP_WINS);
8437 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8438 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8442 reason = "Xboard adjudication: Checkmate";
8443 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8444 if(gameInfo.variant == VariantShogi) {
8445 if(forwardMostMove > backwardMostMove
8446 && moveList[forwardMostMove-1][1] == '@'
8447 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8448 reason = "XBoard adjudication: pawn-drop mate";
8449 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8455 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8457 result = GameIsDrawn; break;
8459 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8461 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8465 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8467 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8468 GameEnds( result, reason, GE_XBOARD );
8472 /* Next absolutely insufficient mating material. */
8473 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8474 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8475 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8477 /* always flag draws, for judging claims */
8478 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8480 if(canAdjudicate && appData.materialDraws) {
8481 /* but only adjudicate them if adjudication enabled */
8482 if(engineOpponent) {
8483 SendToProgram("force\n", engineOpponent); // suppress reply
8484 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8486 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8491 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8492 if(gameInfo.variant == VariantXiangqi ?
8493 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8495 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8496 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8497 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8498 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8500 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8501 { /* if the first 3 moves do not show a tactical win, declare draw */
8502 if(engineOpponent) {
8503 SendToProgram("force\n", engineOpponent); // suppress reply
8504 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8506 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8509 } else moveCount = 6;
8511 if(gameInfo.variant == VariantMakruk && // Makruk counting rules
8512 (nrW == 1 || nrB == 1 || nr[WhitePawn] + nr[BlackPawn] == 0)) { // which only kick in when pawnless or bare King
8513 int maxcnt, his, mine, c, wom = WhiteOnMove(forwardMostMove);
8514 count = forwardMostMove;
8515 while(count >= backwardMostMove) {
8516 int np = nr[WhitePawn] + nr[BlackPawn];
8517 if(wom) mine = nrW, his = nrB, c = BlackPawn;
8518 else mine = nrB, his = nrW, c = WhitePawn;
8519 if(mine > 1 && np) { count++; break; }
8520 if(mine > 1) maxcnt = 64; else
8521 maxcnt = (nr[WhiteRook+c] > 1 ? 8 : nr[WhiteRook+c] ? 16 : nr[WhiteMan+c] > 1 ? 22 :
8522 nr[WhiteKnight+c] > 1 ? 32 : nr[WhiteMan+c] ? 44 : 64) - his - 1;
8523 while(boards[count][EP_STATUS] != EP_CAPTURE && count > backwardMostMove) count--; // seek previous character
8524 if(count == backwardMostMove) break;
8525 if(forwardMostMove - count >= 2*maxcnt + 1 - (mine == 1)) break;
8526 Count(boards[--count], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8528 if(forwardMostMove - count >= 2*maxcnt + 1 - (mine == 1)) {
8529 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8530 if(canAdjudicate && appData.ruleMoves >= 0) {
8531 GameEnds( GameIsDrawn, "Xboard adjudication: counting rule", GE_XBOARD );
8538 // Repetition draws and 50-move rule can be applied independently of legality testing
8540 /* Check for rep-draws */
8542 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8543 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8544 for(k = forwardMostMove-2;
8545 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8546 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8547 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8550 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8551 /* compare castling rights */
8552 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8553 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8554 rights++; /* King lost rights, while rook still had them */
8555 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8556 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8557 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8558 rights++; /* but at least one rook lost them */
8560 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8561 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8563 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8564 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8565 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8568 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8569 && appData.drawRepeats > 1) {
8570 /* adjudicate after user-specified nr of repeats */
8571 int result = GameIsDrawn;
8572 char *details = "XBoard adjudication: repetition draw";
8573 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8574 // [HGM] xiangqi: check for forbidden perpetuals
8575 int m, ourPerpetual = 1, hisPerpetual = 1;
8576 for(m=forwardMostMove; m>k; m-=2) {
8577 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8578 ourPerpetual = 0; // the current mover did not always check
8579 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8580 hisPerpetual = 0; // the opponent did not always check
8582 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8583 ourPerpetual, hisPerpetual);
8584 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8585 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8586 details = "Xboard adjudication: perpetual checking";
8588 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8589 break; // (or we would have caught him before). Abort repetition-checking loop.
8591 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8592 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8594 details = "Xboard adjudication: repetition";
8596 } else // it must be XQ
8597 // Now check for perpetual chases
8598 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8599 hisPerpetual = PerpetualChase(k, forwardMostMove);
8600 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8601 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8602 static char resdet[MSG_SIZ];
8603 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8605 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8607 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8608 break; // Abort repetition-checking loop.
8610 // if neither of us is checking or chasing all the time, or both are, it is draw
8612 if(engineOpponent) {
8613 SendToProgram("force\n", engineOpponent); // suppress reply
8614 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8616 GameEnds( result, details, GE_XBOARD );
8619 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8620 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8624 /* Now we test for 50-move draws. Determine ply count */
8625 count = forwardMostMove;
8626 /* look for last irreversble move */
8627 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8629 /* if we hit starting position, add initial plies */
8630 if( count == backwardMostMove )
8631 count -= initialRulePlies;
8632 count = forwardMostMove - count;
8633 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8634 // adjust reversible move counter for checks in Xiangqi
8635 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8636 if(i < backwardMostMove) i = backwardMostMove;
8637 while(i <= forwardMostMove) {
8638 lastCheck = inCheck; // check evasion does not count
8639 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8640 if(inCheck || lastCheck) count--; // check does not count
8644 if( count >= 100 && gameInfo.variant != VariantMakruk) // do not accept 50-move claims in Makruk
8645 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8646 /* this is used to judge if draw claims are legal */
8647 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8648 if(engineOpponent) {
8649 SendToProgram("force\n", engineOpponent); // suppress reply
8650 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8652 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8656 /* if draw offer is pending, treat it as a draw claim
8657 * when draw condition present, to allow engines a way to
8658 * claim draws before making their move to avoid a race
8659 * condition occurring after their move
8661 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8663 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8664 p = "Draw claim: 50-move rule";
8665 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8666 p = "Draw claim: 3-fold repetition";
8667 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8668 p = "Draw claim: insufficient mating material";
8669 if( p != NULL && canAdjudicate) {
8670 if(engineOpponent) {
8671 SendToProgram("force\n", engineOpponent); // suppress reply
8672 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8674 GameEnds( GameIsDrawn, p, GE_XBOARD );
8679 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8680 if(engineOpponent) {
8681 SendToProgram("force\n", engineOpponent); // suppress reply
8682 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8684 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8690 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8691 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8692 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8697 int pieces[10], squares[10], cnt=0, r, f, res;
8699 static PPROBE_EGBB probeBB;
8700 if(!appData.testLegality) return 10;
8701 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8702 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8703 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8704 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8705 ChessSquare piece = boards[forwardMostMove][r][f];
8706 int black = (piece >= BlackPawn);
8707 int type = piece - black*BlackPawn;
8708 if(piece == EmptySquare) continue;
8709 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8710 if(type == WhiteKing) type = WhiteQueen + 1;
8711 type = egbbCode[type];
8712 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8713 pieces[cnt] = type + black*6;
8714 if(++cnt > 5) return 11;
8716 pieces[cnt] = squares[cnt] = 0;
8718 if(loaded == 2) return 13; // loading failed before
8720 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8723 loaded = 2; // prepare for failure
8724 if(!path) return 13; // no egbb installed
8725 strncpy(buf, path + 8, MSG_SIZ);
8726 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8727 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8728 lib = LoadLibrary(buf);
8729 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8730 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8731 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8732 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8733 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8734 loaded = 1; // success!
8736 res = probeBB(forwardMostMove & 1, pieces, squares);
8737 return res > 0 ? 1 : res < 0 ? -1 : 0;
8741 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8742 { // [HGM] book: this routine intercepts moves to simulate book replies
8743 char *bookHit = NULL;
8745 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8747 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8748 SendToProgram(buf, cps);
8750 //first determine if the incoming move brings opponent into his book
8751 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8752 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8753 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8754 if(bookHit != NULL && !cps->bookSuspend) {
8755 // make sure opponent is not going to reply after receiving move to book position
8756 SendToProgram("force\n", cps);
8757 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8759 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8760 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8761 // now arrange restart after book miss
8763 // after a book hit we never send 'go', and the code after the call to this routine
8764 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8765 char buf[MSG_SIZ], *move = bookHit;
8767 int fromX, fromY, toX, toY;
8771 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8772 &fromX, &fromY, &toX, &toY, &promoChar)) {
8773 (void) CoordsToAlgebraic(boards[forwardMostMove],
8774 PosFlags(forwardMostMove),
8775 fromY, fromX, toY, toX, promoChar, move);
8777 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8781 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8782 SendToProgram(buf, cps);
8783 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8784 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8785 SendToProgram("go\n", cps);
8786 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8787 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8788 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8789 SendToProgram("go\n", cps);
8790 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8792 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8796 LoadError (char *errmess, ChessProgramState *cps)
8797 { // unloads engine and switches back to -ncp mode if it was first
8798 if(cps->initDone) return FALSE;
8799 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8800 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8803 appData.noChessProgram = TRUE;
8804 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8805 gameMode = BeginningOfGame; ModeHighlight();
8808 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8809 DisplayMessage("", ""); // erase waiting message
8810 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8815 ChessProgramState *savedState;
8817 DeferredBookMove (void)
8819 if(savedState->lastPing != savedState->lastPong)
8820 ScheduleDelayedEvent(DeferredBookMove, 10);
8822 HandleMachineMove(savedMessage, savedState);
8825 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8826 static ChessProgramState *stalledEngine;
8827 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8830 HandleMachineMove (char *message, ChessProgramState *cps)
8832 static char firstLeg[20], legs;
8833 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8834 char realname[MSG_SIZ];
8835 int fromX, fromY, toX, toY;
8837 char promoChar, roar;
8842 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8843 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8844 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8845 DisplayError(_("Invalid pairing from pairing engine"), 0);
8848 pairingReceived = 1;
8850 return; // Skim the pairing messages here.
8853 oldError = cps->userError; cps->userError = 0;
8855 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8857 * Kludge to ignore BEL characters
8859 while (*message == '\007') message++;
8862 * [HGM] engine debug message: ignore lines starting with '#' character
8864 if(cps->debug && *message == '#') return;
8867 * Look for book output
8869 if (cps == &first && bookRequested) {
8870 if (message[0] == '\t' || message[0] == ' ') {
8871 /* Part of the book output is here; append it */
8872 strcat(bookOutput, message);
8873 strcat(bookOutput, " \n");
8875 } else if (bookOutput[0] != NULLCHAR) {
8876 /* All of book output has arrived; display it */
8877 char *p = bookOutput;
8878 while (*p != NULLCHAR) {
8879 if (*p == '\t') *p = ' ';
8882 DisplayInformation(bookOutput);
8883 bookRequested = FALSE;
8884 /* Fall through to parse the current output */
8889 * Look for machine move.
8891 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8892 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8894 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8895 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8896 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8897 stalledEngine = cps;
8898 if(appData.ponderNextMove) { // bring opponent out of ponder
8899 if(gameMode == TwoMachinesPlay) {
8900 if(cps->other->pause)
8901 PauseEngine(cps->other);
8903 SendToProgram("easy\n", cps->other);
8912 /* This method is only useful on engines that support ping */
8913 if(abortEngineThink) {
8914 if (appData.debugMode) {
8915 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8917 SendToProgram("undo\n", cps);
8921 if (cps->lastPing != cps->lastPong) {
8922 /* Extra move from before last new; ignore */
8923 if (appData.debugMode) {
8924 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8931 int machineWhite = FALSE;
8934 case BeginningOfGame:
8935 /* Extra move from before last reset; ignore */
8936 if (appData.debugMode) {
8937 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8944 /* Extra move after we tried to stop. The mode test is
8945 not a reliable way of detecting this problem, but it's
8946 the best we can do on engines that don't support ping.
8948 if (appData.debugMode) {
8949 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8950 cps->which, gameMode);
8952 SendToProgram("undo\n", cps);
8955 case MachinePlaysWhite:
8956 case IcsPlayingWhite:
8957 machineWhite = TRUE;
8960 case MachinePlaysBlack:
8961 case IcsPlayingBlack:
8962 machineWhite = FALSE;
8965 case TwoMachinesPlay:
8966 machineWhite = (cps->twoMachinesColor[0] == 'w');
8969 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8970 if (appData.debugMode) {
8972 "Ignoring move out of turn by %s, gameMode %d"
8973 ", forwardMost %d\n",
8974 cps->which, gameMode, forwardMostMove);
8980 if(cps->alphaRank) AlphaRank(machineMove, 4);
8982 // [HGM] lion: (some very limited) support for Alien protocol
8983 killX = killY = kill2X = kill2Y = -1;
8984 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8985 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8986 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8989 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8990 char *q = strchr(p+1, ','); // second comma?
8991 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8992 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8993 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8995 if(firstLeg[0]) { // there was a previous leg;
8996 // only support case where same piece makes two step
8997 char buf[20], *p = machineMove+1, *q = buf+1, f;
8998 safeStrCpy(buf, machineMove, 20);
8999 while(isdigit(*q)) q++; // find start of to-square
9000 safeStrCpy(machineMove, firstLeg, 20);
9001 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
9002 if(legs == 2) sscanf(p, "%c%d", &f, &kill2Y), kill2X = f - AAA, kill2Y -= ONE - '0'; // in 3-leg move 2nd kill is to-sqr of 1st leg
9003 else if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it is King move of castling)
9004 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
9005 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
9006 firstLeg[0] = NULLCHAR; legs = 0;
9009 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
9010 &fromX, &fromY, &toX, &toY, &promoChar)) {
9011 /* Machine move could not be parsed; ignore it. */
9012 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
9013 machineMove, _(cps->which));
9014 DisplayMoveError(buf1);
9015 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
9016 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
9017 if (gameMode == TwoMachinesPlay) {
9018 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9024 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
9025 /* So we have to redo legality test with true e.p. status here, */
9026 /* to make sure an illegal e.p. capture does not slip through, */
9027 /* to cause a forfeit on a justified illegal-move complaint */
9028 /* of the opponent. */
9029 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
9031 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
9032 fromY, fromX, toY, toX, promoChar);
9033 if(moveType == IllegalMove) {
9034 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
9035 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
9036 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9039 } else if(!appData.fischerCastling)
9040 /* [HGM] Kludge to handle engines that send FRC-style castling
9041 when they shouldn't (like TSCP-Gothic) */
9043 case WhiteASideCastleFR:
9044 case BlackASideCastleFR:
9046 currentMoveString[2]++;
9048 case WhiteHSideCastleFR:
9049 case BlackHSideCastleFR:
9051 currentMoveString[2]--;
9053 default: ; // nothing to do, but suppresses warning of pedantic compilers
9056 hintRequested = FALSE;
9057 lastHint[0] = NULLCHAR;
9058 bookRequested = FALSE;
9059 /* Program may be pondering now */
9060 cps->maybeThinking = TRUE;
9061 if (cps->sendTime == 2) cps->sendTime = 1;
9062 if (cps->offeredDraw) cps->offeredDraw--;
9064 /* [AS] Save move info*/
9065 pvInfoList[ forwardMostMove ].score = programStats.score;
9066 pvInfoList[ forwardMostMove ].depth = programStats.depth;
9067 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
9069 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
9071 /* Test suites abort the 'game' after one move */
9072 if(*appData.finger) {
9074 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
9075 if(!f) f = fopen(appData.finger, "w");
9076 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
9077 else { DisplayFatalError("Bad output file", errno, 0); return; }
9079 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9082 if(solvingTime >= 0) {
9083 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
9084 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
9086 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
9087 if(solvingTime == -2) second.matchWins++;
9089 OutputKibitz(2, buf1);
9090 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9093 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
9094 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
9097 while( count < adjudicateLossPlies ) {
9098 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
9101 score = -score; /* Flip score for winning side */
9104 if( score > appData.adjudicateLossThreshold ) {
9111 if( count >= adjudicateLossPlies ) {
9112 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9114 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
9115 "Xboard adjudication",
9122 if(Adjudicate(cps)) {
9123 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9124 return; // [HGM] adjudicate: for all automatic game ends
9128 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9130 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9131 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9133 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9135 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9137 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9138 char buf[3*MSG_SIZ];
9140 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9141 programStats.score / 100.,
9143 programStats.time / 100.,
9144 (unsigned int)programStats.nodes,
9145 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9146 programStats.movelist);
9152 /* [AS] Clear stats for next move */
9153 ClearProgramStats();
9154 thinkOutput[0] = NULLCHAR;
9155 hiddenThinkOutputState = 0;
9158 if (gameMode == TwoMachinesPlay) {
9159 /* [HGM] relaying draw offers moved to after reception of move */
9160 /* and interpreting offer as claim if it brings draw condition */
9161 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9162 SendToProgram("draw\n", cps->other);
9164 if (cps->other->sendTime) {
9165 SendTimeRemaining(cps->other,
9166 cps->other->twoMachinesColor[0] == 'w');
9168 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9169 if (firstMove && !bookHit) {
9171 if (cps->other->useColors) {
9172 SendToProgram(cps->other->twoMachinesColor, cps->other);
9174 SendToProgram("go\n", cps->other);
9176 cps->other->maybeThinking = TRUE;
9179 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9181 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9183 if (!pausing && appData.ringBellAfterMoves) {
9184 if(!roar) RingBell();
9188 * Reenable menu items that were disabled while
9189 * machine was thinking
9191 if (gameMode != TwoMachinesPlay)
9192 SetUserThinkingEnables();
9194 // [HGM] book: after book hit opponent has received move and is now in force mode
9195 // force the book reply into it, and then fake that it outputted this move by jumping
9196 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9198 static char bookMove[MSG_SIZ]; // a bit generous?
9200 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9201 strcat(bookMove, bookHit);
9204 programStats.nodes = programStats.depth = programStats.time =
9205 programStats.score = programStats.got_only_move = 0;
9206 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9208 if(cps->lastPing != cps->lastPong) {
9209 savedMessage = message; // args for deferred call
9211 ScheduleDelayedEvent(DeferredBookMove, 10);
9220 /* Set special modes for chess engines. Later something general
9221 * could be added here; for now there is just one kludge feature,
9222 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9223 * when "xboard" is given as an interactive command.
9225 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9226 cps->useSigint = FALSE;
9227 cps->useSigterm = FALSE;
9229 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9230 ParseFeatures(message+8, cps);
9231 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9234 if (!strncmp(message, "setup ", 6) &&
9235 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9236 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9237 ) { // [HGM] allow first engine to define opening position
9238 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9239 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9241 if(sscanf(message, "setup (%s", buf) == 1) {
9242 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9243 ASSIGN(appData.pieceToCharTable, buf);
9245 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9247 while(message[s] && message[s++] != ' ');
9248 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9249 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9250 // if(hand <= h) deadRanks = 0; else deadRanks = hand - h, h = hand; // adapt board to over-sized holdings
9251 if(hand > h) handSize = hand; else handSize = h;
9252 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9253 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9254 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9255 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9256 startedFromSetupPosition = FALSE;
9259 if(startedFromSetupPosition) return;
9260 ParseFEN(boards[0], &dummy, message+s, FALSE);
9261 DrawPosition(TRUE, boards[0]);
9262 CopyBoard(initialPosition, boards[0]);
9263 startedFromSetupPosition = TRUE;
9266 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9267 ChessSquare piece = WhitePawn;
9268 char *p=message+6, *q, *s = SUFFIXES, ID = *p, promoted = 0;
9269 if(*p == '+') promoted++, ID = *++p;
9270 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9271 piece = CharToPiece(ID & 255); if(promoted) piece = CHUPROMOTED(piece);
9272 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9273 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9274 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9275 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9276 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9277 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9278 && gameInfo.variant != VariantGreat
9279 && gameInfo.variant != VariantFairy ) return;
9280 if(piece < EmptySquare) {
9282 ASSIGN(pieceDesc[piece], buf1);
9283 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9287 if(!appData.testLegality && sscanf(message, "choice %s", promoRestrict) == 1) {
9289 LeftClick(Press, 0, 0); // finish the click that was interrupted
9290 } else if(promoSweep != EmptySquare) {
9291 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9292 if(strlen(promoRestrict) > 1) Sweep(0);
9296 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9297 * want this, I was asked to put it in, and obliged.
9299 if (!strncmp(message, "setboard ", 9)) {
9300 Board initial_position;
9302 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9304 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9305 DisplayError(_("Bad FEN received from engine"), 0);
9309 CopyBoard(boards[0], initial_position);
9310 initialRulePlies = FENrulePlies;
9311 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9312 else gameMode = MachinePlaysBlack;
9313 DrawPosition(FALSE, boards[currentMove]);
9319 * Look for communication commands
9321 if (!strncmp(message, "telluser ", 9)) {
9322 if(message[9] == '\\' && message[10] == '\\')
9323 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9325 DisplayNote(message + 9);
9328 if (!strncmp(message, "tellusererror ", 14)) {
9330 if(message[14] == '\\' && message[15] == '\\')
9331 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9333 DisplayError(message + 14, 0);
9336 if (!strncmp(message, "tellopponent ", 13)) {
9337 if (appData.icsActive) {
9339 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9343 DisplayNote(message + 13);
9347 if (!strncmp(message, "tellothers ", 11)) {
9348 if (appData.icsActive) {
9350 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9353 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9356 if (!strncmp(message, "tellall ", 8)) {
9357 if (appData.icsActive) {
9359 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9363 DisplayNote(message + 8);
9367 if (strncmp(message, "warning", 7) == 0) {
9368 /* Undocumented feature, use tellusererror in new code */
9369 DisplayError(message, 0);
9372 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9373 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9374 strcat(realname, " query");
9375 AskQuestion(realname, buf2, buf1, cps->pr);
9378 /* Commands from the engine directly to ICS. We don't allow these to be
9379 * sent until we are logged on. Crafty kibitzes have been known to
9380 * interfere with the login process.
9383 if (!strncmp(message, "tellics ", 8)) {
9384 SendToICS(message + 8);
9388 if (!strncmp(message, "tellicsnoalias ", 15)) {
9389 SendToICS(ics_prefix);
9390 SendToICS(message + 15);
9394 /* The following are for backward compatibility only */
9395 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9396 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9397 SendToICS(ics_prefix);
9403 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9404 if(initPing == cps->lastPong) {
9405 if(gameInfo.variant == VariantUnknown) {
9406 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9407 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9408 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9412 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9413 abortEngineThink = FALSE;
9414 DisplayMessage("", "");
9419 if(!strncmp(message, "highlight ", 10)) {
9420 if(appData.testLegality && !*engineVariant && appData.markers) return;
9421 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9424 if(!strncmp(message, "click ", 6)) {
9425 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9426 if(appData.testLegality || !appData.oneClick) return;
9427 sscanf(message+6, "%c%d%c", &f, &y, &c);
9428 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9429 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9430 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9431 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9432 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9433 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9434 LeftClick(Release, lastLeftX, lastLeftY);
9435 controlKey = (c == ',');
9436 LeftClick(Press, x, y);
9437 LeftClick(Release, x, y);
9438 first.highlight = f;
9442 * If the move is illegal, cancel it and redraw the board.
9443 * Also deal with other error cases. Matching is rather loose
9444 * here to accommodate engines written before the spec.
9446 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9447 strncmp(message, "Error", 5) == 0) {
9448 if (StrStr(message, "name") ||
9449 StrStr(message, "rating") || StrStr(message, "?") ||
9450 StrStr(message, "result") || StrStr(message, "board") ||
9451 StrStr(message, "bk") || StrStr(message, "computer") ||
9452 StrStr(message, "variant") || StrStr(message, "hint") ||
9453 StrStr(message, "random") || StrStr(message, "depth") ||
9454 StrStr(message, "accepted")) {
9457 if (StrStr(message, "protover")) {
9458 /* Program is responding to input, so it's apparently done
9459 initializing, and this error message indicates it is
9460 protocol version 1. So we don't need to wait any longer
9461 for it to initialize and send feature commands. */
9462 FeatureDone(cps, 1);
9463 cps->protocolVersion = 1;
9466 cps->maybeThinking = FALSE;
9468 if (StrStr(message, "draw")) {
9469 /* Program doesn't have "draw" command */
9470 cps->sendDrawOffers = 0;
9473 if (cps->sendTime != 1 &&
9474 (StrStr(message, "time") || StrStr(message, "otim"))) {
9475 /* Program apparently doesn't have "time" or "otim" command */
9479 if (StrStr(message, "analyze")) {
9480 cps->analysisSupport = FALSE;
9481 cps->analyzing = FALSE;
9482 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9483 EditGameEvent(); // [HGM] try to preserve loaded game
9484 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9485 DisplayError(buf2, 0);
9488 if (StrStr(message, "(no matching move)st")) {
9489 /* Special kludge for GNU Chess 4 only */
9490 cps->stKludge = TRUE;
9491 SendTimeControl(cps, movesPerSession, timeControl,
9492 timeIncrement, appData.searchDepth,
9496 if (StrStr(message, "(no matching move)sd")) {
9497 /* Special kludge for GNU Chess 4 only */
9498 cps->sdKludge = TRUE;
9499 SendTimeControl(cps, movesPerSession, timeControl,
9500 timeIncrement, appData.searchDepth,
9504 if (!StrStr(message, "llegal")) {
9507 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9508 gameMode == IcsIdle) return;
9509 if (forwardMostMove <= backwardMostMove) return;
9510 if (pausing) PauseEvent();
9511 if(appData.forceIllegal) {
9512 // [HGM] illegal: machine refused move; force position after move into it
9513 SendToProgram("force\n", cps);
9514 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9515 // we have a real problem now, as SendBoard will use the a2a3 kludge
9516 // when black is to move, while there might be nothing on a2 or black
9517 // might already have the move. So send the board as if white has the move.
9518 // But first we must change the stm of the engine, as it refused the last move
9519 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9520 if(WhiteOnMove(forwardMostMove)) {
9521 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9522 SendBoard(cps, forwardMostMove); // kludgeless board
9524 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9525 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9526 SendBoard(cps, forwardMostMove+1); // kludgeless board
9528 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9529 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9530 gameMode == TwoMachinesPlay)
9531 SendToProgram("go\n", cps);
9534 if (gameMode == PlayFromGameFile) {
9535 /* Stop reading this game file */
9536 gameMode = EditGame;
9539 /* [HGM] illegal-move claim should forfeit game when Xboard */
9540 /* only passes fully legal moves */
9541 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9542 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9543 "False illegal-move claim", GE_XBOARD );
9544 return; // do not take back move we tested as valid
9546 currentMove = forwardMostMove-1;
9547 DisplayMove(currentMove-1); /* before DisplayMoveError */
9548 SwitchClocks(forwardMostMove-1); // [HGM] race
9549 DisplayBothClocks();
9550 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9551 parseList[currentMove], _(cps->which));
9552 DisplayMoveError(buf1);
9553 DrawPosition(FALSE, boards[currentMove]);
9555 SetUserThinkingEnables();
9558 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9559 /* Program has a broken "time" command that
9560 outputs a string not ending in newline.
9564 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9565 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9566 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9570 * If chess program startup fails, exit with an error message.
9571 * Attempts to recover here are futile. [HGM] Well, we try anyway
9573 if ((StrStr(message, "unknown host") != NULL)
9574 || (StrStr(message, "No remote directory") != NULL)
9575 || (StrStr(message, "not found") != NULL)
9576 || (StrStr(message, "No such file") != NULL)
9577 || (StrStr(message, "can't alloc") != NULL)
9578 || (StrStr(message, "Permission denied") != NULL)) {
9580 cps->maybeThinking = FALSE;
9581 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9582 _(cps->which), cps->program, cps->host, message);
9583 RemoveInputSource(cps->isr);
9584 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9585 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9586 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9592 * Look for hint output
9594 if (sscanf(message, "Hint: %s", buf1) == 1) {
9595 if (cps == &first && hintRequested) {
9596 hintRequested = FALSE;
9597 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9598 &fromX, &fromY, &toX, &toY, &promoChar)) {
9599 (void) CoordsToAlgebraic(boards[forwardMostMove],
9600 PosFlags(forwardMostMove),
9601 fromY, fromX, toY, toX, promoChar, buf1);
9602 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9603 DisplayInformation(buf2);
9605 /* Hint move could not be parsed!? */
9606 snprintf(buf2, sizeof(buf2),
9607 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9608 buf1, _(cps->which));
9609 DisplayError(buf2, 0);
9612 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9618 * Ignore other messages if game is not in progress
9620 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9621 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9624 * look for win, lose, draw, or draw offer
9626 if (strncmp(message, "1-0", 3) == 0) {
9627 char *p, *q, *r = "";
9628 p = strchr(message, '{');
9636 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9638 } else if (strncmp(message, "0-1", 3) == 0) {
9639 char *p, *q, *r = "";
9640 p = strchr(message, '{');
9648 /* Kludge for Arasan 4.1 bug */
9649 if (strcmp(r, "Black resigns") == 0) {
9650 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9653 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9655 } else if (strncmp(message, "1/2", 3) == 0) {
9656 char *p, *q, *r = "";
9657 p = strchr(message, '{');
9666 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9669 } else if (strncmp(message, "White resign", 12) == 0) {
9670 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9672 } else if (strncmp(message, "Black resign", 12) == 0) {
9673 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9675 } else if (strncmp(message, "White matches", 13) == 0 ||
9676 strncmp(message, "Black matches", 13) == 0 ) {
9677 /* [HGM] ignore GNUShogi noises */
9679 } else if (strncmp(message, "White", 5) == 0 &&
9680 message[5] != '(' &&
9681 StrStr(message, "Black") == NULL) {
9682 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9684 } else if (strncmp(message, "Black", 5) == 0 &&
9685 message[5] != '(') {
9686 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9688 } else if (strcmp(message, "resign") == 0 ||
9689 strcmp(message, "computer resigns") == 0) {
9691 case MachinePlaysBlack:
9692 case IcsPlayingBlack:
9693 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9695 case MachinePlaysWhite:
9696 case IcsPlayingWhite:
9697 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9699 case TwoMachinesPlay:
9700 if (cps->twoMachinesColor[0] == 'w')
9701 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9703 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9710 } else if (strncmp(message, "opponent mates", 14) == 0) {
9712 case MachinePlaysBlack:
9713 case IcsPlayingBlack:
9714 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9716 case MachinePlaysWhite:
9717 case IcsPlayingWhite:
9718 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9720 case TwoMachinesPlay:
9721 if (cps->twoMachinesColor[0] == 'w')
9722 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9724 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9731 } else if (strncmp(message, "computer mates", 14) == 0) {
9733 case MachinePlaysBlack:
9734 case IcsPlayingBlack:
9735 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9737 case MachinePlaysWhite:
9738 case IcsPlayingWhite:
9739 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9741 case TwoMachinesPlay:
9742 if (cps->twoMachinesColor[0] == 'w')
9743 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9745 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9752 } else if (strncmp(message, "checkmate", 9) == 0) {
9753 if (WhiteOnMove(forwardMostMove)) {
9754 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9756 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9759 } else if (strstr(message, "Draw") != NULL ||
9760 strstr(message, "game is a draw") != NULL) {
9761 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9763 } else if (strstr(message, "offer") != NULL &&
9764 strstr(message, "draw") != NULL) {
9766 if (appData.zippyPlay && first.initDone) {
9767 /* Relay offer to ICS */
9768 SendToICS(ics_prefix);
9769 SendToICS("draw\n");
9772 cps->offeredDraw = 2; /* valid until this engine moves twice */
9773 if (gameMode == TwoMachinesPlay) {
9774 if (cps->other->offeredDraw) {
9775 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9776 /* [HGM] in two-machine mode we delay relaying draw offer */
9777 /* until after we also have move, to see if it is really claim */
9779 } else if (gameMode == MachinePlaysWhite ||
9780 gameMode == MachinePlaysBlack) {
9781 if (userOfferedDraw) {
9782 DisplayInformation(_("Machine accepts your draw offer"));
9783 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9785 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9792 * Look for thinking output
9794 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9795 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9797 int plylev, mvleft, mvtot, curscore, time;
9798 char mvname[MOVE_LEN];
9802 int prefixHint = FALSE;
9803 mvname[0] = NULLCHAR;
9806 case MachinePlaysBlack:
9807 case IcsPlayingBlack:
9808 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9810 case MachinePlaysWhite:
9811 case IcsPlayingWhite:
9812 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9817 case IcsObserving: /* [DM] icsEngineAnalyze */
9818 if (!appData.icsEngineAnalyze) ignore = TRUE;
9820 case TwoMachinesPlay:
9821 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9831 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9834 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9835 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9836 char score_buf[MSG_SIZ];
9838 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9839 nodes += u64Const(0x100000000);
9841 if (plyext != ' ' && plyext != '\t') {
9845 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9846 if( cps->scoreIsAbsolute &&
9847 ( gameMode == MachinePlaysBlack ||
9848 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9849 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9850 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9851 !WhiteOnMove(currentMove)
9854 curscore = -curscore;
9857 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9859 if(*bestMove) { // rememer time best EPD move was first found
9860 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9861 ChessMove mt; char *p = bestMove;
9862 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9864 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9865 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9866 solvingTime = (solvingTime < 0 ? time : solvingTime);
9870 while(*p && *p != ' ') p++;
9871 while(*p == ' ') p++;
9873 if(!solved) solvingTime = -1;
9875 if(*avoidMove && !solved) {
9876 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9877 ChessMove mt; char *p = avoidMove, solved = 1;
9878 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9879 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9880 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9881 solved = 0; solvingTime = -2;
9884 while(*p && *p != ' ') p++;
9885 while(*p == ' ') p++;
9887 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9890 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9893 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9894 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9895 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9896 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9897 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9898 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9902 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9903 DisplayError(_("failed writing PV"), 0);
9906 tempStats.depth = plylev;
9907 tempStats.nodes = nodes;
9908 tempStats.time = time;
9909 tempStats.score = curscore;
9910 tempStats.got_only_move = 0;
9912 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9915 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9916 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9917 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9918 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9919 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9920 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9921 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9922 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9925 /* Buffer overflow protection */
9926 if (pv[0] != NULLCHAR) {
9927 if (strlen(pv) >= sizeof(tempStats.movelist)
9928 && appData.debugMode) {
9930 "PV is too long; using the first %u bytes.\n",
9931 (unsigned) sizeof(tempStats.movelist) - 1);
9934 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9936 sprintf(tempStats.movelist, " no PV\n");
9939 if (tempStats.seen_stat) {
9940 tempStats.ok_to_send = 1;
9943 if (strchr(tempStats.movelist, '(') != NULL) {
9944 tempStats.line_is_book = 1;
9945 tempStats.nr_moves = 0;
9946 tempStats.moves_left = 0;
9948 tempStats.line_is_book = 0;
9951 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9952 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9954 SendProgramStatsToFrontend( cps, &tempStats );
9957 [AS] Protect the thinkOutput buffer from overflow... this
9958 is only useful if buf1 hasn't overflowed first!
9960 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9961 if(curscore >= MATE_SCORE)
9962 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9963 else if(curscore <= -MATE_SCORE)
9964 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9966 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9967 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9969 (gameMode == TwoMachinesPlay ?
9970 ToUpper(cps->twoMachinesColor[0]) : ' '),
9972 prefixHint ? lastHint : "",
9973 prefixHint ? " " : "" );
9975 if( buf1[0] != NULLCHAR ) {
9976 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9978 if( strlen(pv) > max_len ) {
9979 if( appData.debugMode) {
9980 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9982 pv[max_len+1] = '\0';
9985 strcat( thinkOutput, pv);
9988 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9989 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9990 DisplayMove(currentMove - 1);
9994 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9995 /* crafty (9.25+) says "(only move) <move>"
9996 * if there is only 1 legal move
9998 sscanf(p, "(only move) %s", buf1);
9999 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
10000 sprintf(programStats.movelist, "%s (only move)", buf1);
10001 programStats.depth = 1;
10002 programStats.nr_moves = 1;
10003 programStats.moves_left = 1;
10004 programStats.nodes = 1;
10005 programStats.time = 1;
10006 programStats.got_only_move = 1;
10008 /* Not really, but we also use this member to
10009 mean "line isn't going to change" (Crafty
10010 isn't searching, so stats won't change) */
10011 programStats.line_is_book = 1;
10013 SendProgramStatsToFrontend( cps, &programStats );
10015 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
10016 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
10017 DisplayMove(currentMove - 1);
10020 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
10021 &time, &nodes, &plylev, &mvleft,
10022 &mvtot, mvname) >= 5) {
10023 /* The stat01: line is from Crafty (9.29+) in response
10024 to the "." command */
10025 programStats.seen_stat = 1;
10026 cps->maybeThinking = TRUE;
10028 if (programStats.got_only_move || !appData.periodicUpdates)
10031 programStats.depth = plylev;
10032 programStats.time = time;
10033 programStats.nodes = nodes;
10034 programStats.moves_left = mvleft;
10035 programStats.nr_moves = mvtot;
10036 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
10037 programStats.ok_to_send = 1;
10038 programStats.movelist[0] = '\0';
10040 SendProgramStatsToFrontend( cps, &programStats );
10044 } else if (strncmp(message,"++",2) == 0) {
10045 /* Crafty 9.29+ outputs this */
10046 programStats.got_fail = 2;
10049 } else if (strncmp(message,"--",2) == 0) {
10050 /* Crafty 9.29+ outputs this */
10051 programStats.got_fail = 1;
10054 } else if (thinkOutput[0] != NULLCHAR &&
10055 strncmp(message, " ", 4) == 0) {
10056 unsigned message_len;
10059 while (*p && *p == ' ') p++;
10061 message_len = strlen( p );
10063 /* [AS] Avoid buffer overflow */
10064 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
10065 strcat(thinkOutput, " ");
10066 strcat(thinkOutput, p);
10069 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
10070 strcat(programStats.movelist, " ");
10071 strcat(programStats.movelist, p);
10074 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
10075 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
10076 DisplayMove(currentMove - 1);
10082 buf1[0] = NULLCHAR;
10084 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
10085 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
10087 ChessProgramStats cpstats;
10089 if (plyext != ' ' && plyext != '\t') {
10093 /* [AS] Negate score if machine is playing black and reporting absolute scores */
10094 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
10095 curscore = -curscore;
10098 cpstats.depth = plylev;
10099 cpstats.nodes = nodes;
10100 cpstats.time = time;
10101 cpstats.score = curscore;
10102 cpstats.got_only_move = 0;
10103 cpstats.movelist[0] = '\0';
10105 if (buf1[0] != NULLCHAR) {
10106 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
10109 cpstats.ok_to_send = 0;
10110 cpstats.line_is_book = 0;
10111 cpstats.nr_moves = 0;
10112 cpstats.moves_left = 0;
10114 SendProgramStatsToFrontend( cps, &cpstats );
10121 /* Parse a game score from the character string "game", and
10122 record it as the history of the current game. The game
10123 score is NOT assumed to start from the standard position.
10124 The display is not updated in any way.
10127 ParseGameHistory (char *game)
10129 ChessMove moveType;
10130 int fromX, fromY, toX, toY, boardIndex, mask;
10135 if (appData.debugMode)
10136 fprintf(debugFP, "Parsing game history: %s\n", game);
10138 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10139 gameInfo.site = StrSave(appData.icsHost);
10140 gameInfo.date = PGNDate();
10141 gameInfo.round = StrSave("-");
10143 /* Parse out names of players */
10144 while (*game == ' ') game++;
10146 while (*game != ' ') *p++ = *game++;
10148 gameInfo.white = StrSave(buf);
10149 while (*game == ' ') game++;
10151 while (*game != ' ' && *game != '\n') *p++ = *game++;
10153 gameInfo.black = StrSave(buf);
10156 boardIndex = blackPlaysFirst ? 1 : 0;
10159 yyboardindex = boardIndex;
10160 moveType = (ChessMove) Myylex();
10161 switch (moveType) {
10162 case IllegalMove: /* maybe suicide chess, etc. */
10163 if (appData.debugMode) {
10164 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10165 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10166 setbuf(debugFP, NULL);
10168 case WhitePromotion:
10169 case BlackPromotion:
10170 case WhiteNonPromotion:
10171 case BlackNonPromotion:
10174 case WhiteCapturesEnPassant:
10175 case BlackCapturesEnPassant:
10176 case WhiteKingSideCastle:
10177 case WhiteQueenSideCastle:
10178 case BlackKingSideCastle:
10179 case BlackQueenSideCastle:
10180 case WhiteKingSideCastleWild:
10181 case WhiteQueenSideCastleWild:
10182 case BlackKingSideCastleWild:
10183 case BlackQueenSideCastleWild:
10185 case WhiteHSideCastleFR:
10186 case WhiteASideCastleFR:
10187 case BlackHSideCastleFR:
10188 case BlackASideCastleFR:
10190 fromX = currentMoveString[0] - AAA;
10191 fromY = currentMoveString[1] - ONE;
10192 toX = currentMoveString[2] - AAA;
10193 toY = currentMoveString[3] - ONE;
10194 promoChar = currentMoveString[4];
10198 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10199 fromX = moveType == WhiteDrop ?
10200 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10201 (int) CharToPiece(ToLower(currentMoveString[0]));
10203 toX = currentMoveString[2] - AAA;
10204 toY = currentMoveString[3] - ONE;
10205 promoChar = NULLCHAR;
10207 case AmbiguousMove:
10209 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10210 if (appData.debugMode) {
10211 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10212 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10213 setbuf(debugFP, NULL);
10215 DisplayError(buf, 0);
10217 case ImpossibleMove:
10219 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10220 if (appData.debugMode) {
10221 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10222 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10223 setbuf(debugFP, NULL);
10225 DisplayError(buf, 0);
10228 if (boardIndex < backwardMostMove) {
10229 /* Oops, gap. How did that happen? */
10230 DisplayError(_("Gap in move list"), 0);
10233 backwardMostMove = blackPlaysFirst ? 1 : 0;
10234 if (boardIndex > forwardMostMove) {
10235 forwardMostMove = boardIndex;
10239 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10240 strcat(parseList[boardIndex-1], " ");
10241 strcat(parseList[boardIndex-1], yy_text);
10253 case GameUnfinished:
10254 if (gameMode == IcsExamining) {
10255 if (boardIndex < backwardMostMove) {
10256 /* Oops, gap. How did that happen? */
10259 backwardMostMove = blackPlaysFirst ? 1 : 0;
10262 gameInfo.result = moveType;
10263 p = strchr(yy_text, '{');
10264 if (p == NULL) p = strchr(yy_text, '(');
10267 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10269 q = strchr(p, *p == '{' ? '}' : ')');
10270 if (q != NULL) *q = NULLCHAR;
10273 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10274 gameInfo.resultDetails = StrSave(p);
10277 if (boardIndex >= forwardMostMove &&
10278 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10279 backwardMostMove = blackPlaysFirst ? 1 : 0;
10282 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10283 fromY, fromX, toY, toX, promoChar,
10284 parseList[boardIndex]);
10285 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10286 /* currentMoveString is set as a side-effect of yylex */
10287 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10288 strcat(moveList[boardIndex], "\n");
10290 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10291 mask = (WhiteOnMove(boardIndex) ? 0xFF : 0xFF00);
10292 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10298 if(boards[boardIndex][CHECK_COUNT]) boards[boardIndex][CHECK_COUNT] -= mask & 0x101;
10299 if(!boards[boardIndex][CHECK_COUNT] || boards[boardIndex][CHECK_COUNT] & mask) {
10300 if(!IS_SHOGI(gameInfo.variant)) strcat(parseList[boardIndex - 1], "+");
10305 strcat(parseList[boardIndex - 1], "#");
10312 /* Apply a move to the given board */
10314 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10316 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, epFile, lastFile, lastRank, berolina = 0;
10317 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10319 /* [HGM] compute & store e.p. status and castling rights for new position */
10320 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10322 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10323 oldEP = (signed char)board[EP_STATUS]; epRank = board[EP_RANK]; epFile = board[EP_FILE]; lastFile = board[LAST_TO] & 255,lastRank = board[LAST_TO] >> 8;
10324 board[EP_STATUS] = EP_NONE;
10325 board[EP_FILE] = board[EP_RANK] = 100, board[LAST_TO] = 0x4040;
10327 if (fromY == DROP_RANK) {
10328 /* must be first */
10329 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10330 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10333 piece = board[toY][toX] = (ChessSquare) fromX;
10335 // ChessSquare victim;
10338 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10339 // victim = board[killY][killX],
10340 killed = board[killY][killX],
10341 board[killY][killX] = EmptySquare,
10342 board[EP_STATUS] = EP_CAPTURE;
10343 if( kill2X >= 0 && kill2Y >= 0)
10344 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10347 if( board[toY][toX] != EmptySquare ) {
10348 board[EP_STATUS] = EP_CAPTURE;
10349 if( (fromX != toX || fromY != toY) && // not igui!
10350 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10351 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10352 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10356 pawn = board[fromY][fromX];
10357 if(pieceDesc[pawn] && strchr(pieceDesc[pawn], 'e')) { // piece with user-defined e.p. capture
10358 if(captured == EmptySquare && toX == epFile && (toY == (epRank & 127) || toY + (pawn < BlackPawn ? -1 : 1) == epRank - 128)) {
10359 captured = board[lastRank][lastFile]; // remove victim
10360 board[lastRank][lastFile] = EmptySquare;
10361 pawn = EmptySquare; // kludge to suppress old e.p. code
10364 if( pawn == WhiteLance || pawn == BlackLance ) {
10365 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10366 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10367 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10370 if( pawn == WhitePawn ) {
10371 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10372 board[EP_STATUS] = EP_PAWN_MOVE;
10373 if( toY-fromY>=2) {
10374 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10375 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10376 gameInfo.variant != VariantBerolina || toX < fromX)
10377 board[EP_STATUS] = toX | berolina;
10378 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10379 gameInfo.variant != VariantBerolina || toX > fromX)
10380 board[EP_STATUS] = toX;
10381 board[LAST_TO] = toX + 256*toY;
10384 if( pawn == BlackPawn ) {
10385 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10386 board[EP_STATUS] = EP_PAWN_MOVE;
10387 if( toY-fromY<= -2) {
10388 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10389 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10390 gameInfo.variant != VariantBerolina || toX < fromX)
10391 board[EP_STATUS] = toX | berolina;
10392 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10393 gameInfo.variant != VariantBerolina || toX > fromX)
10394 board[EP_STATUS] = toX;
10395 board[LAST_TO] = toX + 256*toY;
10399 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10400 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10401 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10402 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10404 for(i=0; i<nrCastlingRights; i++) {
10405 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10406 board[CASTLING][i] == toX && castlingRank[i] == toY
10407 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10410 if(gameInfo.variant == VariantSChess) { // update virginity
10411 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10412 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10413 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10414 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10417 if (fromX == toX && fromY == toY && killX < 0) return;
10419 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10420 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10421 if(gameInfo.variant == VariantKnightmate)
10422 king += (int) WhiteUnicorn - (int) WhiteKing;
10424 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10425 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10426 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10427 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10428 board[EP_STATUS] = EP_NONE; // capture was fake!
10430 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10431 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10432 board[toY][toX] = piece;
10433 board[EP_STATUS] = EP_NONE; // capture was fake!
10435 /* Code added by Tord: */
10436 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10437 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10438 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10439 board[EP_STATUS] = EP_NONE; // capture was fake!
10440 board[fromY][fromX] = EmptySquare;
10441 board[toY][toX] = EmptySquare;
10442 if((toX > fromX) != (piece == WhiteRook)) {
10443 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10445 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10447 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10448 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10449 board[EP_STATUS] = EP_NONE;
10450 board[fromY][fromX] = EmptySquare;
10451 board[toY][toX] = EmptySquare;
10452 if((toX > fromX) != (piece == BlackRook)) {
10453 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10455 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10457 /* End of code added by Tord */
10459 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10460 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10461 board[toY][toX] = piece;
10462 } else if (board[fromY][fromX] == king
10463 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10464 && toY == fromY && toX > fromX+1) {
10465 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10466 ; // castle with nearest piece
10467 board[fromY][toX-1] = board[fromY][rookX];
10468 board[fromY][rookX] = EmptySquare;
10469 board[fromY][fromX] = EmptySquare;
10470 board[toY][toX] = king;
10471 } else if (board[fromY][fromX] == king
10472 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10473 && toY == fromY && toX < fromX-1) {
10474 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10475 ; // castle with nearest piece
10476 board[fromY][toX+1] = board[fromY][rookX];
10477 board[fromY][rookX] = EmptySquare;
10478 board[fromY][fromX] = EmptySquare;
10479 board[toY][toX] = king;
10480 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10481 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10482 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10484 /* white pawn promotion */
10485 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10486 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10487 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10488 board[fromY][fromX] = EmptySquare;
10489 } else if ((fromY >= BOARD_HEIGHT>>1)
10490 && (epFile == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10492 && gameInfo.variant != VariantXiangqi
10493 && gameInfo.variant != VariantBerolina
10494 && (pawn == WhitePawn)
10495 && (board[toY][toX] == EmptySquare)) {
10496 if(lastFile == 100) lastFile = (board[fromY][toX] == BlackPawn ? toX : fromX), lastRank = fromY; // assume FIDE e.p. if victim present
10497 board[fromY][fromX] = EmptySquare;
10498 board[toY][toX] = piece;
10499 captured = board[lastRank][lastFile], board[lastRank][lastFile] = EmptySquare;
10500 } else if ((fromY == BOARD_HEIGHT-4)
10502 && gameInfo.variant == VariantBerolina
10503 && (board[fromY][fromX] == WhitePawn)
10504 && (board[toY][toX] == EmptySquare)) {
10505 board[fromY][fromX] = EmptySquare;
10506 board[toY][toX] = WhitePawn;
10507 if(oldEP & EP_BEROLIN_A) {
10508 captured = board[fromY][fromX-1];
10509 board[fromY][fromX-1] = EmptySquare;
10510 }else{ captured = board[fromY][fromX+1];
10511 board[fromY][fromX+1] = EmptySquare;
10513 } else if (board[fromY][fromX] == king
10514 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10515 && toY == fromY && toX > fromX+1) {
10516 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10518 board[fromY][toX-1] = board[fromY][rookX];
10519 board[fromY][rookX] = EmptySquare;
10520 board[fromY][fromX] = EmptySquare;
10521 board[toY][toX] = king;
10522 } else if (board[fromY][fromX] == king
10523 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10524 && toY == fromY && toX < fromX-1) {
10525 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10527 board[fromY][toX+1] = board[fromY][rookX];
10528 board[fromY][rookX] = EmptySquare;
10529 board[fromY][fromX] = EmptySquare;
10530 board[toY][toX] = king;
10531 } else if (fromY == 7 && fromX == 3
10532 && board[fromY][fromX] == BlackKing
10533 && toY == 7 && toX == 5) {
10534 board[fromY][fromX] = EmptySquare;
10535 board[toY][toX] = BlackKing;
10536 board[fromY][7] = EmptySquare;
10537 board[toY][4] = BlackRook;
10538 } else if (fromY == 7 && fromX == 3
10539 && board[fromY][fromX] == BlackKing
10540 && toY == 7 && toX == 1) {
10541 board[fromY][fromX] = EmptySquare;
10542 board[toY][toX] = BlackKing;
10543 board[fromY][0] = EmptySquare;
10544 board[toY][2] = BlackRook;
10545 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10546 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10547 && toY < promoRank && promoChar
10549 /* black pawn promotion */
10550 board[toY][toX] = CharToPiece(ToLower(promoChar));
10551 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10552 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10553 board[fromY][fromX] = EmptySquare;
10554 } else if ((fromY < BOARD_HEIGHT>>1)
10555 && (epFile == toX && epRank == toY || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10557 && gameInfo.variant != VariantXiangqi
10558 && gameInfo.variant != VariantBerolina
10559 && (pawn == BlackPawn)
10560 && (board[toY][toX] == EmptySquare)) {
10561 if(lastFile == 100) lastFile = (board[fromY][toX] == WhitePawn ? toX : fromX), lastRank = fromY;
10562 board[fromY][fromX] = EmptySquare;
10563 board[toY][toX] = piece;
10564 captured = board[lastRank][lastFile], board[lastRank][lastFile] = EmptySquare;
10565 } else if ((fromY == 3)
10567 && gameInfo.variant == VariantBerolina
10568 && (board[fromY][fromX] == BlackPawn)
10569 && (board[toY][toX] == EmptySquare)) {
10570 board[fromY][fromX] = EmptySquare;
10571 board[toY][toX] = BlackPawn;
10572 if(oldEP & EP_BEROLIN_A) {
10573 captured = board[fromY][fromX-1];
10574 board[fromY][fromX-1] = EmptySquare;
10575 }else{ captured = board[fromY][fromX+1];
10576 board[fromY][fromX+1] = EmptySquare;
10579 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10580 board[fromY][fromX] = EmptySquare;
10581 board[toY][toX] = piece;
10585 if (gameInfo.holdingsWidth != 0) {
10587 /* !!A lot more code needs to be written to support holdings */
10588 /* [HGM] OK, so I have written it. Holdings are stored in the */
10589 /* penultimate board files, so they are automaticlly stored */
10590 /* in the game history. */
10591 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10592 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10593 /* Delete from holdings, by decreasing count */
10594 /* and erasing image if necessary */
10595 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10596 if(p < (int) BlackPawn) { /* white drop */
10597 p -= (int)WhitePawn;
10598 p = PieceToNumber((ChessSquare)p);
10599 if(p >= gameInfo.holdingsSize) p = 0;
10600 if(--board[p][BOARD_WIDTH-2] <= 0)
10601 board[p][BOARD_WIDTH-1] = EmptySquare;
10602 if((int)board[p][BOARD_WIDTH-2] < 0)
10603 board[p][BOARD_WIDTH-2] = 0;
10604 } else { /* black drop */
10605 p -= (int)BlackPawn;
10606 p = PieceToNumber((ChessSquare)p);
10607 if(p >= gameInfo.holdingsSize) p = 0;
10608 if(--board[handSize-1-p][1] <= 0)
10609 board[handSize-1-p][0] = EmptySquare;
10610 if((int)board[handSize-1-p][1] < 0)
10611 board[handSize-1-p][1] = 0;
10614 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10615 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10616 /* [HGM] holdings: Add to holdings, if holdings exist */
10617 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10618 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10619 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10621 p = (int) captured;
10622 if (p >= (int) BlackPawn) {
10623 p -= (int)BlackPawn;
10624 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10625 /* Restore shogi-promoted piece to its original first */
10626 captured = (ChessSquare) (DEMOTED(captured));
10629 p = PieceToNumber((ChessSquare)p);
10630 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10631 board[p][BOARD_WIDTH-2]++;
10632 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10634 p -= (int)WhitePawn;
10635 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10636 captured = (ChessSquare) (DEMOTED(captured));
10639 p = PieceToNumber((ChessSquare)p);
10640 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10641 board[handSize-1-p][1]++;
10642 board[handSize-1-p][0] = WHITE_TO_BLACK captured;
10645 } else if (gameInfo.variant == VariantAtomic) {
10646 if (captured != EmptySquare) {
10648 for (y = toY-1; y <= toY+1; y++) {
10649 for (x = toX-1; x <= toX+1; x++) {
10650 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10651 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10652 board[y][x] = EmptySquare;
10656 board[toY][toX] = EmptySquare;
10660 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10661 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10663 if(promoChar == '+') {
10664 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10665 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10666 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10667 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10668 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10669 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10670 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10671 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10672 board[toY][toX] = newPiece;
10674 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10675 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10676 // [HGM] superchess: take promotion piece out of holdings
10677 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10678 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10679 if(!--board[k][BOARD_WIDTH-2])
10680 board[k][BOARD_WIDTH-1] = EmptySquare;
10682 if(!--board[handSize-1-k][1])
10683 board[handSize-1-k][0] = EmptySquare;
10688 /* Updates forwardMostMove */
10690 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10692 int x = toX, y = toY, mask;
10693 char *s = parseList[forwardMostMove];
10694 ChessSquare p = boards[forwardMostMove][toY][toX];
10695 // forwardMostMove++; // [HGM] bare: moved downstream
10697 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10698 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10699 (void) CoordsToAlgebraic(boards[forwardMostMove],
10700 PosFlags(forwardMostMove),
10701 fromY, fromX, y, x, (killX < 0)*promoChar,
10703 if(kill2X >= 0 && kill2Y >= 0)
10704 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10705 if(killX >= 0 && killY >= 0)
10706 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10707 toX + AAA, toY + ONE - '0', promoChar);
10709 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10710 int timeLeft; static int lastLoadFlag=0; int king, piece;
10711 piece = boards[forwardMostMove][fromY][fromX];
10712 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10713 if(gameInfo.variant == VariantKnightmate)
10714 king += (int) WhiteUnicorn - (int) WhiteKing;
10715 if(forwardMostMove == 0) {
10716 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10717 fprintf(serverMoves, "%s;", UserName());
10718 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10719 fprintf(serverMoves, "%s;", second.tidy);
10720 fprintf(serverMoves, "%s;", first.tidy);
10721 if(gameMode == MachinePlaysWhite)
10722 fprintf(serverMoves, "%s;", UserName());
10723 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10724 fprintf(serverMoves, "%s;", second.tidy);
10725 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10726 lastLoadFlag = loadFlag;
10728 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10729 // print castling suffix
10730 if( toY == fromY && piece == king ) {
10732 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10734 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10737 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10738 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10739 boards[forwardMostMove][toY][toX] == EmptySquare
10740 && fromX != toX && fromY != toY)
10741 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10742 // promotion suffix
10743 if(promoChar != NULLCHAR) {
10744 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10745 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10746 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10747 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10750 char buf[MOVE_LEN*2], *p; int len;
10751 fprintf(serverMoves, "/%d/%d",
10752 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10753 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10754 else timeLeft = blackTimeRemaining/1000;
10755 fprintf(serverMoves, "/%d", timeLeft);
10756 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10757 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10758 if(p = strchr(buf, '=')) *p = NULLCHAR;
10759 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10760 fprintf(serverMoves, "/%s", buf);
10762 fflush(serverMoves);
10765 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10766 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10769 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10770 if (commentList[forwardMostMove+1] != NULL) {
10771 free(commentList[forwardMostMove+1]);
10772 commentList[forwardMostMove+1] = NULL;
10774 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10775 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10776 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10777 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10778 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10779 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10780 adjustedClock = FALSE;
10781 gameInfo.result = GameUnfinished;
10782 if (gameInfo.resultDetails != NULL) {
10783 free(gameInfo.resultDetails);
10784 gameInfo.resultDetails = NULL;
10786 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10787 moveList[forwardMostMove - 1]);
10788 mask = (WhiteOnMove(forwardMostMove) ? 0xFF : 0xFF00);
10789 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10795 if(boards[forwardMostMove][CHECK_COUNT]) boards[forwardMostMove][CHECK_COUNT] -= mask & 0x101;
10796 if(!boards[forwardMostMove][CHECK_COUNT] || boards[forwardMostMove][CHECK_COUNT] & mask) {
10797 if(!IS_SHOGI(gameInfo.variant)) strcat(parseList[forwardMostMove - 1], "+");
10802 strcat(parseList[forwardMostMove - 1], "#");
10807 /* Updates currentMove if not pausing */
10809 ShowMove (int fromX, int fromY, int toX, int toY)
10811 int instant = (gameMode == PlayFromGameFile) ?
10812 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10813 if(appData.noGUI) return;
10814 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10816 if (forwardMostMove == currentMove + 1) {
10817 AnimateMove(boards[forwardMostMove - 1],
10818 fromX, fromY, toX, toY);
10821 currentMove = forwardMostMove;
10824 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10826 if (instant) return;
10828 DisplayMove(currentMove - 1);
10829 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10830 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10831 SetHighlights(fromX, fromY, toX, toY);
10834 DrawPosition(FALSE, boards[currentMove]);
10835 DisplayBothClocks();
10836 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10840 SendEgtPath (ChessProgramState *cps)
10841 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10842 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10844 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10847 char c, *q = name+1, *r, *s;
10849 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10850 while(*p && *p != ',') *q++ = *p++;
10851 *q++ = ':'; *q = 0;
10852 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10853 strcmp(name, ",nalimov:") == 0 ) {
10854 // take nalimov path from the menu-changeable option first, if it is defined
10855 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10856 SendToProgram(buf,cps); // send egtbpath command for nalimov
10858 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10859 (s = StrStr(appData.egtFormats, name)) != NULL) {
10860 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10861 s = r = StrStr(s, ":") + 1; // beginning of path info
10862 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10863 c = *r; *r = 0; // temporarily null-terminate path info
10864 *--q = 0; // strip of trailig ':' from name
10865 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10867 SendToProgram(buf,cps); // send egtbpath command for this format
10869 if(*p == ',') p++; // read away comma to position for next format name
10874 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10876 int width = 8, height = 8, holdings = 0; // most common sizes
10877 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10878 // correct the deviations default for each variant
10879 if( v == VariantXiangqi ) width = 9, height = 10;
10880 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10881 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10882 if( v == VariantCapablanca || v == VariantCapaRandom ||
10883 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10885 if( v == VariantCourier ) width = 12;
10886 if( v == VariantSuper ) holdings = 8;
10887 if( v == VariantGreat ) width = 10, holdings = 8;
10888 if( v == VariantSChess ) holdings = 7;
10889 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10890 if( v == VariantChuChess) width = 10, height = 10;
10891 if( v == VariantChu ) width = 12, height = 12;
10892 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10893 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10894 holdingsSize >= 0 && holdingsSize != holdings;
10897 char variantError[MSG_SIZ];
10900 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10901 { // returns error message (recognizable by upper-case) if engine does not support the variant
10902 char *p, *variant = VariantName(v);
10903 static char b[MSG_SIZ];
10904 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10905 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10906 holdingsSize, variant); // cook up sized variant name
10907 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10908 if(StrStr(list, b) == NULL) {
10909 // specific sized variant not known, check if general sizing allowed
10910 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10911 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10912 boardWidth, boardHeight, holdingsSize, engine);
10915 /* [HGM] here we really should compare with the maximum supported board size */
10917 } else snprintf(b, MSG_SIZ,"%s", variant);
10918 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10919 p = StrStr(list, b);
10920 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10922 // occurs not at all in list, or only as sub-string
10923 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10924 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10925 int l = strlen(variantError);
10927 while(p != list && p[-1] != ',') p--;
10928 q = strchr(p, ',');
10929 if(q) *q = NULLCHAR;
10930 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10939 InitChessProgram (ChessProgramState *cps, int setup)
10940 /* setup needed to setup FRC opening position */
10942 char buf[MSG_SIZ], *b;
10943 if (appData.noChessProgram) return;
10944 hintRequested = FALSE;
10945 bookRequested = FALSE;
10947 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10948 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10949 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10950 if(cps->memSize) { /* [HGM] memory */
10951 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10952 SendToProgram(buf, cps);
10954 SendEgtPath(cps); /* [HGM] EGT */
10955 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10956 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10957 SendToProgram(buf, cps);
10960 setboardSpoiledMachineBlack = FALSE;
10961 SendToProgram(cps->initString, cps);
10962 if (gameInfo.variant != VariantNormal &&
10963 gameInfo.variant != VariantLoadable
10964 /* [HGM] also send variant if board size non-standard */
10965 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10967 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10968 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10972 char c, *q = cps->variants, *p = strchr(q, ',');
10973 if(p) *p = NULLCHAR;
10974 v = StringToVariant(q);
10975 DisplayError(variantError, 0);
10976 if(v != VariantUnknown && cps == &first) {
10978 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10979 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10980 ASSIGN(appData.variant, q);
10981 Reset(TRUE, FALSE);
10987 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10988 SendToProgram(buf, cps);
10990 currentlyInitializedVariant = gameInfo.variant;
10992 /* [HGM] send opening position in FRC to first engine */
10994 SendToProgram("force\n", cps);
10996 /* engine is now in force mode! Set flag to wake it up after first move. */
10997 setboardSpoiledMachineBlack = 1;
11000 if (cps->sendICS) {
11001 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
11002 SendToProgram(buf, cps);
11004 cps->maybeThinking = FALSE;
11005 cps->offeredDraw = 0;
11006 if (!appData.icsActive) {
11007 SendTimeControl(cps, movesPerSession, timeControl,
11008 timeIncrement, appData.searchDepth,
11011 if (appData.showThinking
11012 // [HGM] thinking: four options require thinking output to be sent
11013 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
11015 SendToProgram("post\n", cps);
11017 SendToProgram("hard\n", cps);
11018 if (!appData.ponderNextMove) {
11019 /* Warning: "easy" is a toggle in GNU Chess, so don't send
11020 it without being sure what state we are in first. "hard"
11021 is not a toggle, so that one is OK.
11023 SendToProgram("easy\n", cps);
11025 if (cps->usePing) {
11026 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
11027 SendToProgram(buf, cps);
11029 cps->initDone = TRUE;
11030 ClearEngineOutputPane(cps == &second);
11035 ResendOptions (ChessProgramState *cps, int toEngine)
11036 { // send the stored value of the options
11038 static char buf2[MSG_SIZ*10];
11039 char buf[MSG_SIZ], *p = buf2;
11040 Option *opt = cps->option;
11042 for(i=0; i<cps->nrOptions; i++, opt++) {
11044 switch(opt->type) {
11048 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
11049 snprintf(buf, MSG_SIZ, "%s=%d", opt->name, opt->value);
11052 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
11053 snprintf(buf, MSG_SIZ, "%s=%s", opt->name, opt->choice[opt->value]);
11056 if(strcmp(opt->textValue, opt->name + MSG_SIZ - 100))
11057 snprintf(buf, MSG_SIZ, "%s=%s", opt->name, opt->textValue);
11065 snprintf(buf2, MSG_SIZ, "option %s\n", buf);
11066 SendToProgram(buf2, cps);
11068 if(p != buf2) *p++ = ',';
11069 strncpy(p, buf, 10*MSG_SIZ-1 - (p - buf2));
11078 StartChessProgram (ChessProgramState *cps)
11083 if (appData.noChessProgram) return;
11084 cps->initDone = FALSE;
11086 if (strcmp(cps->host, "localhost") == 0) {
11087 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
11088 } else if (*appData.remoteShell == NULLCHAR) {
11089 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
11091 if (*appData.remoteUser == NULLCHAR) {
11092 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
11095 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
11096 cps->host, appData.remoteUser, cps->program);
11098 err = StartChildProcess(buf, "", &cps->pr);
11102 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
11103 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
11104 if(cps != &first) return;
11105 appData.noChessProgram = TRUE;
11108 // DisplayFatalError(buf, err, 1);
11109 // cps->pr = NoProc;
11110 // cps->isr = NULL;
11114 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
11115 if (cps->protocolVersion > 1) {
11116 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
11117 if(!cps->reload) { // do not clear options when reloading because of -xreuse
11118 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
11119 cps->comboCnt = 0; // and values of combo boxes
11121 SendToProgram(buf, cps);
11122 if(cps->reload) ResendOptions(cps, TRUE);
11124 SendToProgram("xboard\n", cps);
11129 TwoMachinesEventIfReady P((void))
11131 static int curMess = 0;
11132 if (first.lastPing != first.lastPong) {
11133 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
11134 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11137 if (second.lastPing != second.lastPong) {
11138 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
11139 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11142 DisplayMessage("", ""); curMess = 0;
11143 TwoMachinesEvent();
11147 MakeName (char *template)
11151 static char buf[MSG_SIZ];
11155 clock = time((time_t *)NULL);
11156 tm = localtime(&clock);
11158 while(*p++ = *template++) if(p[-1] == '%') {
11159 switch(*template++) {
11160 case 0: *p = 0; return buf;
11161 case 'Y': i = tm->tm_year+1900; break;
11162 case 'y': i = tm->tm_year-100; break;
11163 case 'M': i = tm->tm_mon+1; break;
11164 case 'd': i = tm->tm_mday; break;
11165 case 'h': i = tm->tm_hour; break;
11166 case 'm': i = tm->tm_min; break;
11167 case 's': i = tm->tm_sec; break;
11170 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11176 CountPlayers (char *p)
11179 while(p = strchr(p, '\n')) p++, n++; // count participants
11184 WriteTourneyFile (char *results, FILE *f)
11185 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11186 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11187 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11188 // create a file with tournament description
11189 fprintf(f, "-participants {%s}\n", appData.participants);
11190 fprintf(f, "-seedBase %d\n", appData.seedBase);
11191 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11192 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11193 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11194 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11195 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11196 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11197 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11198 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11199 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11200 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11201 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11202 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11203 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11204 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11205 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11206 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11207 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11208 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11209 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11210 fprintf(f, "-smpCores %d\n", appData.smpCores);
11212 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11214 fprintf(f, "-mps %d\n", appData.movesPerSession);
11215 fprintf(f, "-tc %s\n", appData.timeControl);
11216 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11218 fprintf(f, "-results \"%s\"\n", results);
11223 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11226 Substitute (char *participants, int expunge)
11228 int i, changed, changes=0, nPlayers=0;
11229 char *p, *q, *r, buf[MSG_SIZ];
11230 if(participants == NULL) return;
11231 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11232 r = p = participants; q = appData.participants;
11233 while(*p && *p == *q) {
11234 if(*p == '\n') r = p+1, nPlayers++;
11237 if(*p) { // difference
11238 while(*p && *p++ != '\n')
11240 while(*q && *q++ != '\n')
11242 changed = nPlayers;
11243 changes = 1 + (strcmp(p, q) != 0);
11245 if(changes == 1) { // a single engine mnemonic was changed
11246 q = r; while(*q) nPlayers += (*q++ == '\n');
11247 p = buf; while(*r && (*p = *r++) != '\n') p++;
11249 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11250 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11251 if(mnemonic[i]) { // The substitute is valid
11253 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11254 flock(fileno(f), LOCK_EX);
11255 ParseArgsFromFile(f);
11256 fseek(f, 0, SEEK_SET);
11257 FREE(appData.participants); appData.participants = participants;
11258 if(expunge) { // erase results of replaced engine
11259 int len = strlen(appData.results), w, b, dummy;
11260 for(i=0; i<len; i++) {
11261 Pairing(i, nPlayers, &w, &b, &dummy);
11262 if((w == changed || b == changed) && appData.results[i] == '*') {
11263 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11268 for(i=0; i<len; i++) {
11269 Pairing(i, nPlayers, &w, &b, &dummy);
11270 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11273 WriteTourneyFile(appData.results, f);
11274 fclose(f); // release lock
11277 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11279 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11280 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11281 free(participants);
11286 CheckPlayers (char *participants)
11289 char buf[MSG_SIZ], *p;
11290 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11291 while(p = strchr(participants, '\n')) {
11293 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11295 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11297 DisplayError(buf, 0);
11301 participants = p + 1;
11307 CreateTourney (char *name)
11310 if(matchMode && strcmp(name, appData.tourneyFile)) {
11311 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11313 if(name[0] == NULLCHAR) {
11314 if(appData.participants[0])
11315 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11318 f = fopen(name, "r");
11319 if(f) { // file exists
11320 ASSIGN(appData.tourneyFile, name);
11321 ParseArgsFromFile(f); // parse it
11323 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11324 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11325 DisplayError(_("Not enough participants"), 0);
11328 if(CheckPlayers(appData.participants)) return 0;
11329 ASSIGN(appData.tourneyFile, name);
11330 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11331 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11334 appData.noChessProgram = FALSE;
11335 appData.clockMode = TRUE;
11341 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11343 char buf[2*MSG_SIZ], *p, *q;
11344 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11345 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11346 skip = !all && group[0]; // if group requested, we start in skip mode
11347 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11348 p = names; q = buf; header = 0;
11349 while(*p && *p != '\n') *q++ = *p++;
11351 if(*p == '\n') p++;
11352 if(buf[0] == '#') {
11353 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11354 depth++; // we must be entering a new group
11355 if(all) continue; // suppress printing group headers when complete list requested
11357 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11359 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11360 if(engineList[i]) free(engineList[i]);
11361 engineList[i] = strdup(buf);
11362 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11363 if(engineMnemonic[i]) free(engineMnemonic[i]);
11364 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11366 sscanf(q + 8, "%s", buf + strlen(buf));
11369 engineMnemonic[i] = strdup(buf);
11372 engineList[i] = engineMnemonic[i] = NULL;
11377 SaveEngineSettings (int n)
11379 int len; char *p, *q, *s, buf[MSG_SIZ], *optionSettings;
11380 if(!currentEngine[n] || !currentEngine[n][0]) { DisplayMessage("saving failed: engine not from list", ""); return; } // no engine from list is loaded
11381 p = strstr(firstChessProgramNames, currentEngine[n]);
11382 if(!p) { DisplayMessage("saving failed: engine not found in list", ""); return; } // sanity check; engine could be deleted from list after loading
11383 optionSettings = ResendOptions(n ? &second : &first, FALSE);
11384 len = strlen(currentEngine[n]);
11385 q = p + len; *p = 0; // cut list into head and tail piece
11386 s = strstr(currentEngine[n], "firstOptions");
11387 if(s && (s[-1] == '-' || s[-1] == '/') && (s[12] == ' ' || s[12] == '=') && (s[13] == '"' || s[13] == '\'')) {
11389 while(*r && *r != s[13]) r++;
11390 s[14] = 0; // cut currentEngine into head and tail part, removing old settings
11391 snprintf(buf, MSG_SIZ, "%s%s%s", currentEngine[n], optionSettings, *r ? r : "\""); // synthesize new engine line
11392 } else if(*optionSettings) {
11393 snprintf(buf, MSG_SIZ, "%s -firstOptions \"%s\"", currentEngine[n], optionSettings);
11395 ASSIGN(currentEngine[n], buf); // updated engine line
11396 len = p - firstChessProgramNames + strlen(q) + strlen(currentEngine[n]) + 1;
11398 snprintf(s, len, "%s%s%s", firstChessProgramNames, currentEngine[n], q);
11399 FREE(firstChessProgramNames); firstChessProgramNames = s; // new list
11402 // following implemented as macro to avoid type limitations
11403 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11406 SwapEngines (int n)
11407 { // swap settings for first engine and other engine (so far only some selected options)
11412 SWAP(chessProgram, p)
11414 SWAP(hasOwnBookUCI, h)
11415 SWAP(protocolVersion, h)
11417 SWAP(scoreIsAbsolute, h)
11422 SWAP(engOptions, p)
11423 SWAP(engInitString, p)
11424 SWAP(computerString, p)
11426 SWAP(fenOverride, p)
11428 SWAP(accumulateTC, h)
11435 GetEngineLine (char *s, int n)
11439 extern char *icsNames;
11440 if(!s || !*s) return 0;
11441 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11442 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11443 if(!mnemonic[i]) return 0;
11444 if(n == 11) return 1; // just testing if there was a match
11445 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11446 if(n == 1) SwapEngines(n);
11447 ParseArgsFromString(buf);
11448 if(n == 1) SwapEngines(n);
11449 if(n < 2) { ASSIGN(currentEngine[n], command[i]); }
11450 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11451 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11452 ParseArgsFromString(buf);
11458 SetPlayer (int player, char *p)
11459 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11461 char buf[MSG_SIZ], *engineName;
11462 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11463 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11464 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11466 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11467 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11468 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11469 ParseArgsFromString(buf);
11470 } else { // no engine with this nickname is installed!
11471 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11472 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11473 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11475 DisplayError(buf, 0);
11482 char *recentEngines;
11485 RecentEngineEvent (int nr)
11488 // SwapEngines(1); // bump first to second
11489 // ReplaceEngine(&second, 1); // and load it there
11490 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11491 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11492 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11493 ReplaceEngine(&first, 0);
11494 FloatToFront(&appData.recentEngineList, command[n]);
11495 ASSIGN(currentEngine[0], command[n]);
11500 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11501 { // determine players from game number
11502 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11504 if(appData.tourneyType == 0) {
11505 roundsPerCycle = (nPlayers - 1) | 1;
11506 pairingsPerRound = nPlayers / 2;
11507 } else if(appData.tourneyType > 0) {
11508 roundsPerCycle = nPlayers - appData.tourneyType;
11509 pairingsPerRound = appData.tourneyType;
11511 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11512 gamesPerCycle = gamesPerRound * roundsPerCycle;
11513 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11514 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11515 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11516 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11517 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11518 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11520 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11521 if(appData.roundSync) *syncInterval = gamesPerRound;
11523 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11525 if(appData.tourneyType == 0) {
11526 if(curPairing == (nPlayers-1)/2 ) {
11527 *whitePlayer = curRound;
11528 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11530 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11531 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11532 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11533 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11535 } else if(appData.tourneyType > 1) {
11536 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11537 *whitePlayer = curRound + appData.tourneyType;
11538 } else if(appData.tourneyType > 0) {
11539 *whitePlayer = curPairing;
11540 *blackPlayer = curRound + appData.tourneyType;
11543 // take care of white/black alternation per round.
11544 // For cycles and games this is already taken care of by default, derived from matchGame!
11545 return curRound & 1;
11549 NextTourneyGame (int nr, int *swapColors)
11550 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11552 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11554 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11555 tf = fopen(appData.tourneyFile, "r");
11556 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11557 ParseArgsFromFile(tf); fclose(tf);
11558 InitTimeControls(); // TC might be altered from tourney file
11560 nPlayers = CountPlayers(appData.participants); // count participants
11561 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11562 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11565 p = q = appData.results;
11566 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11567 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11568 DisplayMessage(_("Waiting for other game(s)"),"");
11569 waitingForGame = TRUE;
11570 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11573 waitingForGame = FALSE;
11576 if(appData.tourneyType < 0) {
11577 if(nr>=0 && !pairingReceived) {
11579 if(pairing.pr == NoProc) {
11580 if(!appData.pairingEngine[0]) {
11581 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11584 StartChessProgram(&pairing); // starts the pairing engine
11586 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11587 SendToProgram(buf, &pairing);
11588 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11589 SendToProgram(buf, &pairing);
11590 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11592 pairingReceived = 0; // ... so we continue here
11594 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11595 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11596 matchGame = 1; roundNr = nr / syncInterval + 1;
11599 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11601 // redefine engines, engine dir, etc.
11602 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11603 if(first.pr == NoProc) {
11604 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11605 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11607 if(second.pr == NoProc) {
11609 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11610 SwapEngines(1); // and make that valid for second engine by swapping
11611 InitEngine(&second, 1);
11613 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11614 UpdateLogos(FALSE); // leave display to ModeHiglight()
11620 { // performs game initialization that does not invoke engines, and then tries to start the game
11621 int res, firstWhite, swapColors = 0;
11622 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11623 if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
11625 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11626 if(strcmp(buf, currentDebugFile)) { // name has changed
11627 FILE *f = fopen(buf, "w");
11628 if(f) { // if opening the new file failed, just keep using the old one
11629 ASSIGN(currentDebugFile, buf);
11633 if(appData.serverFileName) {
11634 if(serverFP) fclose(serverFP);
11635 serverFP = fopen(appData.serverFileName, "w");
11636 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11637 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11641 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11642 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11643 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11644 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11645 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11646 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11647 Reset(FALSE, first.pr != NoProc);
11648 res = LoadGameOrPosition(matchGame); // setup game
11649 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11650 if(!res) return; // abort when bad game/pos file
11651 if(appData.epd) {// in EPD mode we make sure first engine is to move
11652 firstWhite = !(forwardMostMove & 1);
11653 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11654 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11656 TwoMachinesEvent();
11660 UserAdjudicationEvent (int result)
11662 ChessMove gameResult = GameIsDrawn;
11665 gameResult = WhiteWins;
11667 else if( result < 0 ) {
11668 gameResult = BlackWins;
11671 if( gameMode == TwoMachinesPlay ) {
11672 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11677 // [HGM] save: calculate checksum of game to make games easily identifiable
11679 StringCheckSum (char *s)
11682 if(s==NULL) return 0;
11683 while(*s) i = i*259 + *s++;
11691 for(i=backwardMostMove; i<forwardMostMove; i++) {
11692 sum += pvInfoList[i].depth;
11693 sum += StringCheckSum(parseList[i]);
11694 sum += StringCheckSum(commentList[i]);
11697 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11698 return sum + StringCheckSum(commentList[i]);
11699 } // end of save patch
11702 GameEnds (ChessMove result, char *resultDetails, int whosays)
11704 GameMode nextGameMode;
11706 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11708 if(endingGame) return; /* [HGM] crash: forbid recursion */
11710 if(twoBoards) { // [HGM] dual: switch back to one board
11711 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11712 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11714 if (appData.debugMode) {
11715 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11716 result, resultDetails ? resultDetails : "(null)", whosays);
11719 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11721 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11723 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11724 /* If we are playing on ICS, the server decides when the
11725 game is over, but the engine can offer to draw, claim
11729 if (appData.zippyPlay && first.initDone) {
11730 if (result == GameIsDrawn) {
11731 /* In case draw still needs to be claimed */
11732 SendToICS(ics_prefix);
11733 SendToICS("draw\n");
11734 } else if (StrCaseStr(resultDetails, "resign")) {
11735 SendToICS(ics_prefix);
11736 SendToICS("resign\n");
11740 endingGame = 0; /* [HGM] crash */
11744 /* If we're loading the game from a file, stop */
11745 if (whosays == GE_FILE) {
11746 (void) StopLoadGameTimer();
11750 /* Cancel draw offers */
11751 first.offeredDraw = second.offeredDraw = 0;
11753 /* If this is an ICS game, only ICS can really say it's done;
11754 if not, anyone can. */
11755 isIcsGame = (gameMode == IcsPlayingWhite ||
11756 gameMode == IcsPlayingBlack ||
11757 gameMode == IcsObserving ||
11758 gameMode == IcsExamining);
11760 if (!isIcsGame || whosays == GE_ICS) {
11761 /* OK -- not an ICS game, or ICS said it was done */
11763 if (!isIcsGame && !appData.noChessProgram)
11764 SetUserThinkingEnables();
11766 /* [HGM] if a machine claims the game end we verify this claim */
11767 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11768 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11770 ChessMove trueResult = (ChessMove) -1;
11772 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11773 first.twoMachinesColor[0] :
11774 second.twoMachinesColor[0] ;
11776 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11777 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11778 /* [HGM] verify: engine mate claims accepted if they were flagged */
11779 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11781 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11782 /* [HGM] verify: engine mate claims accepted if they were flagged */
11783 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11785 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11786 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11789 // now verify win claims, but not in drop games, as we don't understand those yet
11790 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11791 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11792 (result == WhiteWins && claimer == 'w' ||
11793 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11794 if (appData.debugMode) {
11795 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11796 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11798 if(result != trueResult) {
11799 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11800 result = claimer == 'w' ? BlackWins : WhiteWins;
11801 resultDetails = buf;
11804 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11805 && (forwardMostMove <= backwardMostMove ||
11806 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11807 (claimer=='b')==(forwardMostMove&1))
11809 /* [HGM] verify: draws that were not flagged are false claims */
11810 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11811 result = claimer == 'w' ? BlackWins : WhiteWins;
11812 resultDetails = buf;
11814 /* (Claiming a loss is accepted no questions asked!) */
11815 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11816 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11817 result = GameUnfinished;
11818 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11820 /* [HGM] bare: don't allow bare King to win */
11821 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11822 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11823 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11824 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11825 && result != GameIsDrawn)
11826 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11827 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11828 int p = (int)boards[forwardMostMove][i][j] - color;
11829 if(p >= 0 && p <= (int)WhiteKing) k++;
11830 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11832 if (appData.debugMode) {
11833 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11834 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11836 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11837 result = GameIsDrawn;
11838 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11839 resultDetails = buf;
11845 if(serverMoves != NULL && !loadFlag) { char c = '=';
11846 if(result==WhiteWins) c = '+';
11847 if(result==BlackWins) c = '-';
11848 if(resultDetails != NULL)
11849 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11851 if (resultDetails != NULL) {
11852 gameInfo.result = result;
11853 gameInfo.resultDetails = StrSave(resultDetails);
11855 /* display last move only if game was not loaded from file */
11856 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11857 DisplayMove(currentMove - 1);
11859 if (forwardMostMove != 0) {
11860 if (gameMode != PlayFromGameFile && gameMode != EditGame
11861 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11863 if (*appData.saveGameFile != NULLCHAR) {
11864 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11865 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11867 SaveGameToFile(appData.saveGameFile, TRUE);
11868 } else if (appData.autoSaveGames) {
11869 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11871 if (*appData.savePositionFile != NULLCHAR) {
11872 SavePositionToFile(appData.savePositionFile);
11874 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11878 /* Tell program how game ended in case it is learning */
11879 /* [HGM] Moved this to after saving the PGN, just in case */
11880 /* engine died and we got here through time loss. In that */
11881 /* case we will get a fatal error writing the pipe, which */
11882 /* would otherwise lose us the PGN. */
11883 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11884 /* output during GameEnds should never be fatal anymore */
11885 if (gameMode == MachinePlaysWhite ||
11886 gameMode == MachinePlaysBlack ||
11887 gameMode == TwoMachinesPlay ||
11888 gameMode == IcsPlayingWhite ||
11889 gameMode == IcsPlayingBlack ||
11890 gameMode == BeginningOfGame) {
11892 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11894 if (first.pr != NoProc) {
11895 SendToProgram(buf, &first);
11897 if (second.pr != NoProc &&
11898 gameMode == TwoMachinesPlay) {
11899 SendToProgram(buf, &second);
11904 if (appData.icsActive) {
11905 if (appData.quietPlay &&
11906 (gameMode == IcsPlayingWhite ||
11907 gameMode == IcsPlayingBlack)) {
11908 SendToICS(ics_prefix);
11909 SendToICS("set shout 1\n");
11911 nextGameMode = IcsIdle;
11912 ics_user_moved = FALSE;
11913 /* clean up premove. It's ugly when the game has ended and the
11914 * premove highlights are still on the board.
11917 gotPremove = FALSE;
11918 ClearPremoveHighlights();
11919 DrawPosition(FALSE, boards[currentMove]);
11921 if (whosays == GE_ICS) {
11924 if (gameMode == IcsPlayingWhite)
11926 else if(gameMode == IcsPlayingBlack)
11927 PlayIcsLossSound();
11930 if (gameMode == IcsPlayingBlack)
11932 else if(gameMode == IcsPlayingWhite)
11933 PlayIcsLossSound();
11936 PlayIcsDrawSound();
11939 PlayIcsUnfinishedSound();
11942 if(appData.quitNext) { ExitEvent(0); return; }
11943 } else if (gameMode == EditGame ||
11944 gameMode == PlayFromGameFile ||
11945 gameMode == AnalyzeMode ||
11946 gameMode == AnalyzeFile) {
11947 nextGameMode = gameMode;
11949 nextGameMode = EndOfGame;
11954 nextGameMode = gameMode;
11957 if (appData.noChessProgram) {
11958 gameMode = nextGameMode;
11960 endingGame = 0; /* [HGM] crash */
11965 /* Put first chess program into idle state */
11966 if (first.pr != NoProc &&
11967 (gameMode == MachinePlaysWhite ||
11968 gameMode == MachinePlaysBlack ||
11969 gameMode == TwoMachinesPlay ||
11970 gameMode == IcsPlayingWhite ||
11971 gameMode == IcsPlayingBlack ||
11972 gameMode == BeginningOfGame)) {
11973 SendToProgram("force\n", &first);
11974 if (first.usePing) {
11976 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11977 SendToProgram(buf, &first);
11980 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11981 /* Kill off first chess program */
11982 if (first.isr != NULL)
11983 RemoveInputSource(first.isr);
11986 if (first.pr != NoProc) {
11988 DoSleep( appData.delayBeforeQuit );
11989 SendToProgram("quit\n", &first);
11990 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11991 first.reload = TRUE;
11995 if (second.reuse) {
11996 /* Put second chess program into idle state */
11997 if (second.pr != NoProc &&
11998 gameMode == TwoMachinesPlay) {
11999 SendToProgram("force\n", &second);
12000 if (second.usePing) {
12002 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
12003 SendToProgram(buf, &second);
12006 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
12007 /* Kill off second chess program */
12008 if (second.isr != NULL)
12009 RemoveInputSource(second.isr);
12012 if (second.pr != NoProc) {
12013 DoSleep( appData.delayBeforeQuit );
12014 SendToProgram("quit\n", &second);
12015 DestroyChildProcess(second.pr, 4 + second.useSigterm);
12016 second.reload = TRUE;
12018 second.pr = NoProc;
12021 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
12022 char resChar = '=';
12026 if (first.twoMachinesColor[0] == 'w') {
12029 second.matchWins++;
12034 if (first.twoMachinesColor[0] == 'b') {
12037 second.matchWins++;
12040 case GameUnfinished:
12046 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
12047 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
12048 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
12049 ReserveGame(nextGame, resChar); // sets nextGame
12050 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
12051 else ranking = strdup("busy"); //suppress popup when aborted but not finished
12052 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
12054 if (nextGame <= appData.matchGames && !abortMatch) {
12055 gameMode = nextGameMode;
12056 matchGame = nextGame; // this will be overruled in tourney mode!
12057 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
12058 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
12059 endingGame = 0; /* [HGM] crash */
12062 gameMode = nextGameMode;
12064 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
12065 OutputKibitz(2, buf);
12066 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
12067 OutputKibitz(2, buf);
12068 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
12069 if(second.matchWins) OutputKibitz(2, buf);
12070 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
12071 OutputKibitz(2, buf);
12073 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
12074 first.tidy, second.tidy,
12075 first.matchWins, second.matchWins,
12076 appData.matchGames - (first.matchWins + second.matchWins));
12077 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
12078 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
12079 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
12080 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
12081 first.twoMachinesColor = "black\n";
12082 second.twoMachinesColor = "white\n";
12084 first.twoMachinesColor = "white\n";
12085 second.twoMachinesColor = "black\n";
12089 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
12090 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
12092 gameMode = nextGameMode;
12094 endingGame = 0; /* [HGM] crash */
12095 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
12096 if(matchMode == TRUE) { // match through command line: exit with or without popup
12098 ToNrEvent(forwardMostMove);
12099 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
12101 } else DisplayFatalError(buf, 0, 0);
12102 } else { // match through menu; just stop, with or without popup
12103 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
12106 if(strcmp(ranking, "busy")) DisplayNote(ranking);
12107 } else DisplayNote(buf);
12109 if(ranking) free(ranking);
12113 /* Assumes program was just initialized (initString sent).
12114 Leaves program in force mode. */
12116 FeedMovesToProgram (ChessProgramState *cps, int upto)
12120 if (appData.debugMode)
12121 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
12122 startedFromSetupPosition ? "position and " : "",
12123 backwardMostMove, upto, cps->which);
12124 if(currentlyInitializedVariant != gameInfo.variant) {
12126 // [HGM] variantswitch: make engine aware of new variant
12127 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
12128 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
12129 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
12130 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
12131 SendToProgram(buf, cps);
12132 currentlyInitializedVariant = gameInfo.variant;
12134 SendToProgram("force\n", cps);
12135 if (startedFromSetupPosition) {
12136 SendBoard(cps, backwardMostMove);
12137 if (appData.debugMode) {
12138 fprintf(debugFP, "feedMoves\n");
12141 for (i = backwardMostMove; i < upto; i++) {
12142 SendMoveToProgram(i, cps);
12148 ResurrectChessProgram ()
12150 /* The chess program may have exited.
12151 If so, restart it and feed it all the moves made so far. */
12152 static int doInit = 0;
12154 if (appData.noChessProgram) return 1;
12156 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
12157 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
12158 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
12159 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
12161 if (first.pr != NoProc) return 1;
12162 StartChessProgram(&first);
12164 InitChessProgram(&first, FALSE);
12165 FeedMovesToProgram(&first, currentMove);
12167 if (!first.sendTime) {
12168 /* can't tell gnuchess what its clock should read,
12169 so we bow to its notion. */
12171 timeRemaining[0][currentMove] = whiteTimeRemaining;
12172 timeRemaining[1][currentMove] = blackTimeRemaining;
12175 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
12176 appData.icsEngineAnalyze) && first.analysisSupport) {
12177 SendToProgram("analyze\n", &first);
12178 first.analyzing = TRUE;
12184 * Button procedures
12187 Reset (int redraw, int init)
12191 if (appData.debugMode) {
12192 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12193 redraw, init, gameMode);
12195 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12196 deadRanks = 0; // assume entire board is used
12198 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12199 CleanupTail(); // [HGM] vari: delete any stored variations
12200 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12201 pausing = pauseExamInvalid = FALSE;
12202 startedFromSetupPosition = blackPlaysFirst = FALSE;
12204 whiteFlag = blackFlag = FALSE;
12205 userOfferedDraw = FALSE;
12206 hintRequested = bookRequested = FALSE;
12207 first.maybeThinking = FALSE;
12208 second.maybeThinking = FALSE;
12209 first.bookSuspend = FALSE; // [HGM] book
12210 second.bookSuspend = FALSE;
12211 thinkOutput[0] = NULLCHAR;
12212 lastHint[0] = NULLCHAR;
12213 ClearGameInfo(&gameInfo);
12214 gameInfo.variant = StringToVariant(appData.variant);
12215 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12216 gameInfo.variant = VariantUnknown;
12217 strncpy(engineVariant, appData.variant, MSG_SIZ);
12219 ics_user_moved = ics_clock_paused = FALSE;
12220 ics_getting_history = H_FALSE;
12222 white_holding[0] = black_holding[0] = NULLCHAR;
12223 ClearProgramStats();
12224 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12228 flipView = appData.flipView;
12229 ClearPremoveHighlights();
12230 gotPremove = FALSE;
12231 alarmSounded = FALSE;
12232 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12234 GameEnds(EndOfFile, NULL, GE_PLAYER);
12235 if(appData.serverMovesName != NULL) {
12236 /* [HGM] prepare to make moves file for broadcasting */
12237 clock_t t = clock();
12238 if(serverMoves != NULL) fclose(serverMoves);
12239 serverMoves = fopen(appData.serverMovesName, "r");
12240 if(serverMoves != NULL) {
12241 fclose(serverMoves);
12242 /* delay 15 sec before overwriting, so all clients can see end */
12243 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12245 serverMoves = fopen(appData.serverMovesName, "w");
12249 gameMode = BeginningOfGame;
12251 if(appData.icsActive) gameInfo.variant = VariantNormal;
12252 currentMove = forwardMostMove = backwardMostMove = 0;
12253 MarkTargetSquares(1);
12254 InitPosition(redraw);
12255 for (i = 0; i < MAX_MOVES; i++) {
12256 if (commentList[i] != NULL) {
12257 free(commentList[i]);
12258 commentList[i] = NULL;
12262 timeRemaining[0][0] = whiteTimeRemaining;
12263 timeRemaining[1][0] = blackTimeRemaining;
12265 if (first.pr == NoProc) {
12266 StartChessProgram(&first);
12269 InitChessProgram(&first, startedFromSetupPosition);
12272 DisplayMessage("", "");
12273 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12274 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12275 ClearMap(); // [HGM] exclude: invalidate map
12279 AutoPlayGameLoop ()
12282 if (!AutoPlayOneMove())
12284 if (matchMode || appData.timeDelay == 0)
12286 if (appData.timeDelay < 0)
12288 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12296 ReloadGame(1); // next game
12302 int fromX, fromY, toX, toY;
12304 if (appData.debugMode) {
12305 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12308 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12311 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12312 pvInfoList[currentMove].depth = programStats.depth;
12313 pvInfoList[currentMove].score = programStats.score;
12314 pvInfoList[currentMove].time = 0;
12315 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12316 else { // append analysis of final position as comment
12318 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12319 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12321 programStats.depth = 0;
12324 if (currentMove >= forwardMostMove) {
12325 if(gameMode == AnalyzeFile) {
12326 if(appData.loadGameIndex == -1) {
12327 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12328 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12330 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12333 // gameMode = EndOfGame;
12334 // ModeHighlight();
12336 /* [AS] Clear current move marker at the end of a game */
12337 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12342 toX = moveList[currentMove][2] - AAA;
12343 toY = moveList[currentMove][3] - ONE;
12345 if (moveList[currentMove][1] == '@') {
12346 if (appData.highlightLastMove) {
12347 SetHighlights(-1, -1, toX, toY);
12350 fromX = moveList[currentMove][0] - AAA;
12351 fromY = moveList[currentMove][1] - ONE;
12353 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12355 if(moveList[currentMove][4] == ';') { // multi-leg
12356 killX = moveList[currentMove][5] - AAA;
12357 killY = moveList[currentMove][6] - ONE;
12359 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12360 killX = killY = -1;
12362 if (appData.highlightLastMove) {
12363 SetHighlights(fromX, fromY, toX, toY);
12366 DisplayMove(currentMove);
12367 SendMoveToProgram(currentMove++, &first);
12368 DisplayBothClocks();
12369 DrawPosition(FALSE, boards[currentMove]);
12370 // [HGM] PV info: always display, routine tests if empty
12371 DisplayComment(currentMove - 1, commentList[currentMove]);
12377 LoadGameOneMove (ChessMove readAhead)
12379 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12380 char promoChar = NULLCHAR;
12381 ChessMove moveType;
12382 char move[MSG_SIZ];
12385 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12386 gameMode != AnalyzeMode && gameMode != Training) {
12391 yyboardindex = forwardMostMove;
12392 if (readAhead != EndOfFile) {
12393 moveType = readAhead;
12395 if (gameFileFP == NULL)
12397 moveType = (ChessMove) Myylex();
12401 switch (moveType) {
12403 if (appData.debugMode)
12404 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12407 /* append the comment but don't display it */
12408 AppendComment(currentMove, p, FALSE);
12411 case WhiteCapturesEnPassant:
12412 case BlackCapturesEnPassant:
12413 case WhitePromotion:
12414 case BlackPromotion:
12415 case WhiteNonPromotion:
12416 case BlackNonPromotion:
12419 case WhiteKingSideCastle:
12420 case WhiteQueenSideCastle:
12421 case BlackKingSideCastle:
12422 case BlackQueenSideCastle:
12423 case WhiteKingSideCastleWild:
12424 case WhiteQueenSideCastleWild:
12425 case BlackKingSideCastleWild:
12426 case BlackQueenSideCastleWild:
12428 case WhiteHSideCastleFR:
12429 case WhiteASideCastleFR:
12430 case BlackHSideCastleFR:
12431 case BlackASideCastleFR:
12433 if (appData.debugMode)
12434 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12435 fromX = currentMoveString[0] - AAA;
12436 fromY = currentMoveString[1] - ONE;
12437 toX = currentMoveString[2] - AAA;
12438 toY = currentMoveString[3] - ONE;
12439 promoChar = currentMoveString[4];
12440 if(promoChar == ';') promoChar = currentMoveString[7];
12445 if (appData.debugMode)
12446 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12447 fromX = moveType == WhiteDrop ?
12448 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12449 (int) CharToPiece(ToLower(currentMoveString[0]));
12451 toX = currentMoveString[2] - AAA;
12452 toY = currentMoveString[3] - ONE;
12458 case GameUnfinished:
12459 if (appData.debugMode)
12460 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12461 p = strchr(yy_text, '{');
12462 if (p == NULL) p = strchr(yy_text, '(');
12465 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12467 q = strchr(p, *p == '{' ? '}' : ')');
12468 if (q != NULL) *q = NULLCHAR;
12471 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12472 GameEnds(moveType, p, GE_FILE);
12474 if (cmailMsgLoaded) {
12476 flipView = WhiteOnMove(currentMove);
12477 if (moveType == GameUnfinished) flipView = !flipView;
12478 if (appData.debugMode)
12479 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12484 if (appData.debugMode)
12485 fprintf(debugFP, "Parser hit end of file\n");
12486 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12492 if (WhiteOnMove(currentMove)) {
12493 GameEnds(BlackWins, "Black mates", GE_FILE);
12495 GameEnds(WhiteWins, "White mates", GE_FILE);
12499 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12505 case MoveNumberOne:
12506 if (lastLoadGameStart == GNUChessGame) {
12507 /* GNUChessGames have numbers, but they aren't move numbers */
12508 if (appData.debugMode)
12509 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12510 yy_text, (int) moveType);
12511 return LoadGameOneMove(EndOfFile); /* tail recursion */
12513 /* else fall thru */
12518 /* Reached start of next game in file */
12519 if (appData.debugMode)
12520 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12521 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12527 if (WhiteOnMove(currentMove)) {
12528 GameEnds(BlackWins, "Black mates", GE_FILE);
12530 GameEnds(WhiteWins, "White mates", GE_FILE);
12534 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12540 case PositionDiagram: /* should not happen; ignore */
12541 case ElapsedTime: /* ignore */
12542 case NAG: /* ignore */
12543 if (appData.debugMode)
12544 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12545 yy_text, (int) moveType);
12546 return LoadGameOneMove(EndOfFile); /* tail recursion */
12549 if (appData.testLegality) {
12550 if (appData.debugMode)
12551 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12552 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12553 (forwardMostMove / 2) + 1,
12554 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12555 DisplayError(move, 0);
12558 if (appData.debugMode)
12559 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12560 yy_text, currentMoveString);
12561 if(currentMoveString[1] == '@') {
12562 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12565 fromX = currentMoveString[0] - AAA;
12566 fromY = currentMoveString[1] - ONE;
12568 toX = currentMoveString[2] - AAA;
12569 toY = currentMoveString[3] - ONE;
12570 promoChar = currentMoveString[4];
12574 case AmbiguousMove:
12575 if (appData.debugMode)
12576 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12577 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12578 (forwardMostMove / 2) + 1,
12579 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12580 DisplayError(move, 0);
12585 case ImpossibleMove:
12586 if (appData.debugMode)
12587 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12588 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12589 (forwardMostMove / 2) + 1,
12590 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12591 DisplayError(move, 0);
12597 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12598 DrawPosition(FALSE, boards[currentMove]);
12599 DisplayBothClocks();
12600 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12601 DisplayComment(currentMove - 1, commentList[currentMove]);
12603 (void) StopLoadGameTimer();
12605 cmailOldMove = forwardMostMove;
12608 /* currentMoveString is set as a side-effect of yylex */
12610 thinkOutput[0] = NULLCHAR;
12611 MakeMove(fromX, fromY, toX, toY, promoChar);
12612 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12613 currentMove = forwardMostMove;
12618 /* Load the nth game from the given file */
12620 LoadGameFromFile (char *filename, int n, char *title, int useList)
12625 if (strcmp(filename, "-") == 0) {
12629 f = fopen(filename, "rb");
12631 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12632 DisplayError(buf, errno);
12636 if (fseek(f, 0, 0) == -1) {
12637 /* f is not seekable; probably a pipe */
12640 if (useList && n == 0) {
12641 int error = GameListBuild(f);
12643 DisplayError(_("Cannot build game list"), error);
12644 } else if (!ListEmpty(&gameList) &&
12645 ((ListGame *) gameList.tailPred)->number > 1) {
12646 GameListPopUp(f, title);
12653 return LoadGame(f, n, title, FALSE);
12658 MakeRegisteredMove ()
12660 int fromX, fromY, toX, toY;
12662 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12663 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12666 if (appData.debugMode)
12667 fprintf(debugFP, "Restoring %s for game %d\n",
12668 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12670 thinkOutput[0] = NULLCHAR;
12671 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12672 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12673 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12674 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12675 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12676 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12677 MakeMove(fromX, fromY, toX, toY, promoChar);
12678 ShowMove(fromX, fromY, toX, toY);
12680 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12687 if (WhiteOnMove(currentMove)) {
12688 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12690 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12695 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12702 if (WhiteOnMove(currentMove)) {
12703 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12705 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12710 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12721 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12723 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12727 if (gameNumber > nCmailGames) {
12728 DisplayError(_("No more games in this message"), 0);
12731 if (f == lastLoadGameFP) {
12732 int offset = gameNumber - lastLoadGameNumber;
12734 cmailMsg[0] = NULLCHAR;
12735 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12736 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12737 nCmailMovesRegistered--;
12739 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12740 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12741 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12744 if (! RegisterMove()) return FALSE;
12748 retVal = LoadGame(f, gameNumber, title, useList);
12750 /* Make move registered during previous look at this game, if any */
12751 MakeRegisteredMove();
12753 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12754 commentList[currentMove]
12755 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12756 DisplayComment(currentMove - 1, commentList[currentMove]);
12762 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12764 ReloadGame (int offset)
12766 int gameNumber = lastLoadGameNumber + offset;
12767 if (lastLoadGameFP == NULL) {
12768 DisplayError(_("No game has been loaded yet"), 0);
12771 if (gameNumber <= 0) {
12772 DisplayError(_("Can't back up any further"), 0);
12775 if (cmailMsgLoaded) {
12776 return CmailLoadGame(lastLoadGameFP, gameNumber,
12777 lastLoadGameTitle, lastLoadGameUseList);
12779 return LoadGame(lastLoadGameFP, gameNumber,
12780 lastLoadGameTitle, lastLoadGameUseList);
12784 int keys[EmptySquare+1];
12787 PositionMatches (Board b1, Board b2)
12790 switch(appData.searchMode) {
12791 case 1: return CompareWithRights(b1, b2);
12793 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12794 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12798 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12799 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12800 sum += keys[b1[r][f]] - keys[b2[r][f]];
12804 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12805 sum += keys[b1[r][f]] - keys[b2[r][f]];
12817 int pieceList[256], quickBoard[256];
12818 ChessSquare pieceType[256] = { EmptySquare };
12819 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12820 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12821 int soughtTotal, turn;
12822 Boolean epOK, flipSearch;
12825 unsigned char piece, to;
12828 #define DSIZE (250000)
12830 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12831 Move *moveDatabase = initialSpace;
12832 unsigned int movePtr, dataSize = DSIZE;
12835 MakePieceList (Board board, int *counts)
12837 int r, f, n=Q_PROMO, total=0;
12838 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12839 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12840 int sq = f + (r<<4);
12841 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12842 quickBoard[sq] = ++n;
12844 pieceType[n] = board[r][f];
12845 counts[board[r][f]]++;
12846 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12847 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12851 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12856 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12858 int sq = fromX + (fromY<<4);
12859 int piece = quickBoard[sq], rook;
12860 quickBoard[sq] = 0;
12861 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12862 if(piece == pieceList[1] && fromY == toY) {
12863 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12864 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12865 moveDatabase[movePtr++].piece = Q_WCASTL;
12866 quickBoard[sq] = piece;
12867 piece = quickBoard[from]; quickBoard[from] = 0;
12868 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12869 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12870 quickBoard[sq] = 0; // remove Rook
12871 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12872 moveDatabase[movePtr++].piece = Q_WCASTL;
12873 quickBoard[sq] = pieceList[1]; // put King
12875 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12878 if(piece == pieceList[2] && fromY == toY) {
12879 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12880 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12881 moveDatabase[movePtr++].piece = Q_BCASTL;
12882 quickBoard[sq] = piece;
12883 piece = quickBoard[from]; quickBoard[from] = 0;
12884 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12885 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12886 quickBoard[sq] = 0; // remove Rook
12887 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12888 moveDatabase[movePtr++].piece = Q_BCASTL;
12889 quickBoard[sq] = pieceList[2]; // put King
12891 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12894 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12895 quickBoard[(fromY<<4)+toX] = 0;
12896 moveDatabase[movePtr].piece = Q_EP;
12897 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12898 moveDatabase[movePtr].to = sq;
12900 if(promoPiece != pieceType[piece]) {
12901 moveDatabase[movePtr++].piece = Q_PROMO;
12902 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12904 moveDatabase[movePtr].piece = piece;
12905 quickBoard[sq] = piece;
12910 PackGame (Board board)
12912 Move *newSpace = NULL;
12913 moveDatabase[movePtr].piece = 0; // terminate previous game
12914 if(movePtr > dataSize) {
12915 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12916 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12917 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12920 Move *p = moveDatabase, *q = newSpace;
12921 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12922 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12923 moveDatabase = newSpace;
12924 } else { // calloc failed, we must be out of memory. Too bad...
12925 dataSize = 0; // prevent calloc events for all subsequent games
12926 return 0; // and signal this one isn't cached
12930 MakePieceList(board, counts);
12935 QuickCompare (Board board, int *minCounts, int *maxCounts)
12936 { // compare according to search mode
12938 switch(appData.searchMode)
12940 case 1: // exact position match
12941 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12942 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12943 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12946 case 2: // can have extra material on empty squares
12947 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12948 if(board[r][f] == EmptySquare) continue;
12949 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12952 case 3: // material with exact Pawn structure
12953 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12954 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12955 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12956 } // fall through to material comparison
12957 case 4: // exact material
12958 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12960 case 6: // material range with given imbalance
12961 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12962 // fall through to range comparison
12963 case 5: // material range
12964 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12970 QuickScan (Board board, Move *move)
12971 { // reconstruct game,and compare all positions in it
12972 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12974 int piece = move->piece;
12975 int to = move->to, from = pieceList[piece];
12976 if(found < 0) { // if already found just scan to game end for final piece count
12977 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12978 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12979 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12980 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12982 static int lastCounts[EmptySquare+1];
12984 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12985 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12986 } else stretch = 0;
12987 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12988 if(found >= 0 && !appData.minPieces) return found;
12990 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12991 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12992 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12993 piece = (++move)->piece;
12994 from = pieceList[piece];
12995 counts[pieceType[piece]]--;
12996 pieceType[piece] = (ChessSquare) move->to;
12997 counts[move->to]++;
12998 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12999 counts[pieceType[quickBoard[to]]]--;
13000 quickBoard[to] = 0; total--;
13003 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
13004 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
13005 from = pieceList[piece]; // so this must be King
13006 quickBoard[from] = 0;
13007 pieceList[piece] = to;
13008 from = pieceList[(++move)->piece]; // for FRC this has to be done here
13009 quickBoard[from] = 0; // rook
13010 quickBoard[to] = piece;
13011 to = move->to; piece = move->piece;
13015 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
13016 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
13017 quickBoard[from] = 0;
13019 quickBoard[to] = piece;
13020 pieceList[piece] = to;
13030 flipSearch = FALSE;
13031 CopyBoard(soughtBoard, boards[currentMove]);
13032 soughtTotal = MakePieceList(soughtBoard, maxSought);
13033 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
13034 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
13035 CopyBoard(reverseBoard, boards[currentMove]);
13036 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
13037 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
13038 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
13039 reverseBoard[r][f] = piece;
13041 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
13042 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
13043 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
13044 || (boards[currentMove][CASTLING][2] == NoRights ||
13045 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
13046 && (boards[currentMove][CASTLING][5] == NoRights ||
13047 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
13050 CopyBoard(flipBoard, soughtBoard);
13051 CopyBoard(rotateBoard, reverseBoard);
13052 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
13053 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
13054 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
13057 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
13058 if(appData.searchMode >= 5) {
13059 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
13060 MakePieceList(soughtBoard, minSought);
13061 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
13063 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
13064 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
13067 GameInfo dummyInfo;
13068 static int creatingBook;
13071 GameContainsPosition (FILE *f, ListGame *lg)
13073 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
13074 int fromX, fromY, toX, toY;
13076 static int initDone=FALSE;
13078 // weed out games based on numerical tag comparison
13079 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
13080 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
13081 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
13082 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
13084 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
13087 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
13088 else CopyBoard(boards[scratch], initialPosition); // default start position
13091 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
13092 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
13095 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13096 fseek(f, lg->offset, 0);
13099 yyboardindex = scratch;
13100 quickFlag = plyNr+1;
13105 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
13111 if(plyNr) return -1; // after we have seen moves, this is for new game
13114 case AmbiguousMove: // we cannot reconstruct the game beyond these two
13115 case ImpossibleMove:
13116 case WhiteWins: // game ends here with these four
13119 case GameUnfinished:
13123 if(appData.testLegality) return -1;
13124 case WhiteCapturesEnPassant:
13125 case BlackCapturesEnPassant:
13126 case WhitePromotion:
13127 case BlackPromotion:
13128 case WhiteNonPromotion:
13129 case BlackNonPromotion:
13132 case WhiteKingSideCastle:
13133 case WhiteQueenSideCastle:
13134 case BlackKingSideCastle:
13135 case BlackQueenSideCastle:
13136 case WhiteKingSideCastleWild:
13137 case WhiteQueenSideCastleWild:
13138 case BlackKingSideCastleWild:
13139 case BlackQueenSideCastleWild:
13140 case WhiteHSideCastleFR:
13141 case WhiteASideCastleFR:
13142 case BlackHSideCastleFR:
13143 case BlackASideCastleFR:
13144 fromX = currentMoveString[0] - AAA;
13145 fromY = currentMoveString[1] - ONE;
13146 toX = currentMoveString[2] - AAA;
13147 toY = currentMoveString[3] - ONE;
13148 promoChar = currentMoveString[4];
13152 fromX = next == WhiteDrop ?
13153 (int) CharToPiece(ToUpper(currentMoveString[0])) :
13154 (int) CharToPiece(ToLower(currentMoveString[0]));
13156 toX = currentMoveString[2] - AAA;
13157 toY = currentMoveString[3] - ONE;
13161 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
13163 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
13164 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13165 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
13166 if(appData.findMirror) {
13167 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
13168 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
13173 /* Load the nth game from open file f */
13175 LoadGame (FILE *f, int gameNumber, char *title, int useList)
13179 int gn = gameNumber;
13180 ListGame *lg = NULL;
13181 int numPGNTags = 0, i;
13183 GameMode oldGameMode;
13184 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13185 char oldName[MSG_SIZ];
13187 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13189 if (appData.debugMode)
13190 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13192 if (gameMode == Training )
13193 SetTrainingModeOff();
13195 oldGameMode = gameMode;
13196 if (gameMode != BeginningOfGame) {
13197 Reset(FALSE, TRUE);
13199 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13202 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13203 fclose(lastLoadGameFP);
13207 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13210 fseek(f, lg->offset, 0);
13211 GameListHighlight(gameNumber);
13212 pos = lg->position;
13216 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13217 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13219 DisplayError(_("Game number out of range"), 0);
13224 if (fseek(f, 0, 0) == -1) {
13225 if (f == lastLoadGameFP ?
13226 gameNumber == lastLoadGameNumber + 1 :
13230 DisplayError(_("Can't seek on game file"), 0);
13235 lastLoadGameFP = f;
13236 lastLoadGameNumber = gameNumber;
13237 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13238 lastLoadGameUseList = useList;
13242 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13243 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13244 lg->gameInfo.black);
13246 } else if (*title != NULLCHAR) {
13247 if (gameNumber > 1) {
13248 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13251 DisplayTitle(title);
13255 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13256 gameMode = PlayFromGameFile;
13260 currentMove = forwardMostMove = backwardMostMove = 0;
13261 CopyBoard(boards[0], initialPosition);
13265 * Skip the first gn-1 games in the file.
13266 * Also skip over anything that precedes an identifiable
13267 * start of game marker, to avoid being confused by
13268 * garbage at the start of the file. Currently
13269 * recognized start of game markers are the move number "1",
13270 * the pattern "gnuchess .* game", the pattern
13271 * "^[#;%] [^ ]* game file", and a PGN tag block.
13272 * A game that starts with one of the latter two patterns
13273 * will also have a move number 1, possibly
13274 * following a position diagram.
13275 * 5-4-02: Let's try being more lenient and allowing a game to
13276 * start with an unnumbered move. Does that break anything?
13278 cm = lastLoadGameStart = EndOfFile;
13280 yyboardindex = forwardMostMove;
13281 cm = (ChessMove) Myylex();
13284 if (cmailMsgLoaded) {
13285 nCmailGames = CMAIL_MAX_GAMES - gn;
13288 DisplayError(_("Game not found in file"), 0);
13295 lastLoadGameStart = cm;
13298 case MoveNumberOne:
13299 switch (lastLoadGameStart) {
13304 case MoveNumberOne:
13306 gn--; /* count this game */
13307 lastLoadGameStart = cm;
13316 switch (lastLoadGameStart) {
13319 case MoveNumberOne:
13321 gn--; /* count this game */
13322 lastLoadGameStart = cm;
13325 lastLoadGameStart = cm; /* game counted already */
13333 yyboardindex = forwardMostMove;
13334 cm = (ChessMove) Myylex();
13335 } while (cm == PGNTag || cm == Comment);
13342 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13343 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13344 != CMAIL_OLD_RESULT) {
13346 cmailResult[ CMAIL_MAX_GAMES
13347 - gn - 1] = CMAIL_OLD_RESULT;
13354 /* Only a NormalMove can be at the start of a game
13355 * without a position diagram. */
13356 if (lastLoadGameStart == EndOfFile ) {
13358 lastLoadGameStart = MoveNumberOne;
13367 if (appData.debugMode)
13368 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13370 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13372 if (cm == XBoardGame) {
13373 /* Skip any header junk before position diagram and/or move 1 */
13375 yyboardindex = forwardMostMove;
13376 cm = (ChessMove) Myylex();
13378 if (cm == EndOfFile ||
13379 cm == GNUChessGame || cm == XBoardGame) {
13380 /* Empty game; pretend end-of-file and handle later */
13385 if (cm == MoveNumberOne || cm == PositionDiagram ||
13386 cm == PGNTag || cm == Comment)
13389 } else if (cm == GNUChessGame) {
13390 if (gameInfo.event != NULL) {
13391 free(gameInfo.event);
13393 gameInfo.event = StrSave(yy_text);
13396 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13397 while (cm == PGNTag) {
13398 if (appData.debugMode)
13399 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13400 err = ParsePGNTag(yy_text, &gameInfo);
13401 if (!err) numPGNTags++;
13403 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13404 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13405 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13406 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13407 InitPosition(TRUE);
13408 oldVariant = gameInfo.variant;
13409 if (appData.debugMode)
13410 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13414 if (gameInfo.fen != NULL) {
13415 Board initial_position;
13416 startedFromSetupPosition = TRUE;
13417 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13419 DisplayError(_("Bad FEN position in file"), 0);
13422 CopyBoard(boards[0], initial_position);
13423 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13424 CopyBoard(initialPosition, initial_position);
13425 if (blackPlaysFirst) {
13426 currentMove = forwardMostMove = backwardMostMove = 1;
13427 CopyBoard(boards[1], initial_position);
13428 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13429 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13430 timeRemaining[0][1] = whiteTimeRemaining;
13431 timeRemaining[1][1] = blackTimeRemaining;
13432 if (commentList[0] != NULL) {
13433 commentList[1] = commentList[0];
13434 commentList[0] = NULL;
13437 currentMove = forwardMostMove = backwardMostMove = 0;
13439 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13441 initialRulePlies = FENrulePlies;
13442 for( i=0; i< nrCastlingRights; i++ )
13443 initialRights[i] = initial_position[CASTLING][i];
13445 yyboardindex = forwardMostMove;
13446 free(gameInfo.fen);
13447 gameInfo.fen = NULL;
13450 yyboardindex = forwardMostMove;
13451 cm = (ChessMove) Myylex();
13453 /* Handle comments interspersed among the tags */
13454 while (cm == Comment) {
13456 if (appData.debugMode)
13457 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13459 AppendComment(currentMove, p, FALSE);
13460 yyboardindex = forwardMostMove;
13461 cm = (ChessMove) Myylex();
13465 /* don't rely on existence of Event tag since if game was
13466 * pasted from clipboard the Event tag may not exist
13468 if (numPGNTags > 0){
13470 if (gameInfo.variant == VariantNormal) {
13471 VariantClass v = StringToVariant(gameInfo.event);
13472 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13473 if(v < VariantShogi) gameInfo.variant = v;
13476 if( appData.autoDisplayTags ) {
13477 tags = PGNTags(&gameInfo);
13478 TagsPopUp(tags, CmailMsg());
13483 /* Make something up, but don't display it now */
13488 if (cm == PositionDiagram) {
13491 Board initial_position;
13493 if (appData.debugMode)
13494 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13496 if (!startedFromSetupPosition) {
13498 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13499 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13510 initial_position[i][j++] = CharToPiece(*p);
13513 while (*p == ' ' || *p == '\t' ||
13514 *p == '\n' || *p == '\r') p++;
13516 if (strncmp(p, "black", strlen("black"))==0)
13517 blackPlaysFirst = TRUE;
13519 blackPlaysFirst = FALSE;
13520 startedFromSetupPosition = TRUE;
13522 CopyBoard(boards[0], initial_position);
13523 if (blackPlaysFirst) {
13524 currentMove = forwardMostMove = backwardMostMove = 1;
13525 CopyBoard(boards[1], initial_position);
13526 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13527 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13528 timeRemaining[0][1] = whiteTimeRemaining;
13529 timeRemaining[1][1] = blackTimeRemaining;
13530 if (commentList[0] != NULL) {
13531 commentList[1] = commentList[0];
13532 commentList[0] = NULL;
13535 currentMove = forwardMostMove = backwardMostMove = 0;
13538 yyboardindex = forwardMostMove;
13539 cm = (ChessMove) Myylex();
13542 if(!creatingBook) {
13543 if (first.pr == NoProc) {
13544 StartChessProgram(&first);
13546 InitChessProgram(&first, FALSE);
13547 if(gameInfo.variant == VariantUnknown && *oldName) {
13548 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13549 gameInfo.variant = v;
13551 SendToProgram("force\n", &first);
13552 if (startedFromSetupPosition) {
13553 SendBoard(&first, forwardMostMove);
13554 if (appData.debugMode) {
13555 fprintf(debugFP, "Load Game\n");
13557 DisplayBothClocks();
13561 /* [HGM] server: flag to write setup moves in broadcast file as one */
13562 loadFlag = appData.suppressLoadMoves;
13564 while (cm == Comment) {
13566 if (appData.debugMode)
13567 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13569 AppendComment(currentMove, p, FALSE);
13570 yyboardindex = forwardMostMove;
13571 cm = (ChessMove) Myylex();
13574 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13575 cm == WhiteWins || cm == BlackWins ||
13576 cm == GameIsDrawn || cm == GameUnfinished) {
13577 DisplayMessage("", _("No moves in game"));
13578 if (cmailMsgLoaded) {
13579 if (appData.debugMode)
13580 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13584 DrawPosition(FALSE, boards[currentMove]);
13585 DisplayBothClocks();
13586 gameMode = EditGame;
13593 // [HGM] PV info: routine tests if comment empty
13594 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13595 DisplayComment(currentMove - 1, commentList[currentMove]);
13597 if (!matchMode && appData.timeDelay != 0)
13598 DrawPosition(FALSE, boards[currentMove]);
13600 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13601 programStats.ok_to_send = 1;
13604 /* if the first token after the PGN tags is a move
13605 * and not move number 1, retrieve it from the parser
13607 if (cm != MoveNumberOne)
13608 LoadGameOneMove(cm);
13610 /* load the remaining moves from the file */
13611 while (LoadGameOneMove(EndOfFile)) {
13612 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13613 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13616 /* rewind to the start of the game */
13617 currentMove = backwardMostMove;
13619 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13621 if (oldGameMode == AnalyzeFile) {
13622 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13623 AnalyzeFileEvent();
13625 if (oldGameMode == AnalyzeMode) {
13626 AnalyzeFileEvent();
13629 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13630 long int w, b; // [HGM] adjourn: restore saved clock times
13631 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13632 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13633 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13634 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13638 if(creatingBook) return TRUE;
13639 if (!matchMode && pos > 0) {
13640 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13642 if (matchMode || appData.timeDelay == 0) {
13644 } else if (appData.timeDelay > 0) {
13645 AutoPlayGameLoop();
13648 if (appData.debugMode)
13649 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13651 loadFlag = 0; /* [HGM] true game starts */
13655 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13657 ReloadPosition (int offset)
13659 int positionNumber = lastLoadPositionNumber + offset;
13660 if (lastLoadPositionFP == NULL) {
13661 DisplayError(_("No position has been loaded yet"), 0);
13664 if (positionNumber <= 0) {
13665 DisplayError(_("Can't back up any further"), 0);
13668 return LoadPosition(lastLoadPositionFP, positionNumber,
13669 lastLoadPositionTitle);
13672 /* Load the nth position from the given file */
13674 LoadPositionFromFile (char *filename, int n, char *title)
13679 if (strcmp(filename, "-") == 0) {
13680 return LoadPosition(stdin, n, "stdin");
13682 f = fopen(filename, "rb");
13684 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13685 DisplayError(buf, errno);
13688 return LoadPosition(f, n, title);
13693 /* Load the nth position from the given open file, and close it */
13695 LoadPosition (FILE *f, int positionNumber, char *title)
13697 char *p, line[MSG_SIZ];
13698 Board initial_position;
13699 int i, j, fenMode, pn;
13701 if (gameMode == Training )
13702 SetTrainingModeOff();
13704 if (gameMode != BeginningOfGame) {
13705 Reset(FALSE, TRUE);
13707 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13708 fclose(lastLoadPositionFP);
13710 if (positionNumber == 0) positionNumber = 1;
13711 lastLoadPositionFP = f;
13712 lastLoadPositionNumber = positionNumber;
13713 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13714 if (first.pr == NoProc && !appData.noChessProgram) {
13715 StartChessProgram(&first);
13716 InitChessProgram(&first, FALSE);
13718 pn = positionNumber;
13719 if (positionNumber < 0) {
13720 /* Negative position number means to seek to that byte offset */
13721 if (fseek(f, -positionNumber, 0) == -1) {
13722 DisplayError(_("Can't seek on position file"), 0);
13727 if (fseek(f, 0, 0) == -1) {
13728 if (f == lastLoadPositionFP ?
13729 positionNumber == lastLoadPositionNumber + 1 :
13730 positionNumber == 1) {
13733 DisplayError(_("Can't seek on position file"), 0);
13738 /* See if this file is FEN or old-style xboard */
13739 if (fgets(line, MSG_SIZ, f) == NULL) {
13740 DisplayError(_("Position not found in file"), 0);
13743 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13744 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13747 if (fenMode || line[0] == '#') pn--;
13749 /* skip positions before number pn */
13750 if (fgets(line, MSG_SIZ, f) == NULL) {
13752 DisplayError(_("Position not found in file"), 0);
13755 if (fenMode || line[0] == '#') pn--;
13761 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13762 DisplayError(_("Bad FEN position in file"), 0);
13765 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13766 sscanf(p+4, "%[^;]", bestMove);
13767 } else *bestMove = NULLCHAR;
13768 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13769 sscanf(p+4, "%[^;]", avoidMove);
13770 } else *avoidMove = NULLCHAR;
13772 (void) fgets(line, MSG_SIZ, f);
13773 (void) fgets(line, MSG_SIZ, f);
13775 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13776 (void) fgets(line, MSG_SIZ, f);
13777 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13780 initial_position[i][j++] = CharToPiece(*p);
13784 blackPlaysFirst = FALSE;
13786 (void) fgets(line, MSG_SIZ, f);
13787 if (strncmp(line, "black", strlen("black"))==0)
13788 blackPlaysFirst = TRUE;
13791 startedFromSetupPosition = TRUE;
13793 CopyBoard(boards[0], initial_position);
13794 if (blackPlaysFirst) {
13795 currentMove = forwardMostMove = backwardMostMove = 1;
13796 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13797 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13798 CopyBoard(boards[1], initial_position);
13799 DisplayMessage("", _("Black to play"));
13801 currentMove = forwardMostMove = backwardMostMove = 0;
13802 DisplayMessage("", _("White to play"));
13804 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13805 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13806 SendToProgram("force\n", &first);
13807 SendBoard(&first, forwardMostMove);
13809 if (appData.debugMode) {
13811 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13812 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13813 fprintf(debugFP, "Load Position\n");
13816 if (positionNumber > 1) {
13817 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13818 DisplayTitle(line);
13820 DisplayTitle(title);
13822 gameMode = EditGame;
13825 timeRemaining[0][1] = whiteTimeRemaining;
13826 timeRemaining[1][1] = blackTimeRemaining;
13827 DrawPosition(FALSE, boards[currentMove]);
13834 CopyPlayerNameIntoFileName (char **dest, char *src)
13836 while (*src != NULLCHAR && *src != ',') {
13841 *(*dest)++ = *src++;
13847 DefaultFileName (char *ext)
13849 static char def[MSG_SIZ];
13852 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13854 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13856 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13858 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13865 /* Save the current game to the given file */
13867 SaveGameToFile (char *filename, int append)
13871 int result, i, t,tot=0;
13873 if (strcmp(filename, "-") == 0) {
13874 return SaveGame(stdout, 0, NULL);
13876 for(i=0; i<10; i++) { // upto 10 tries
13877 f = fopen(filename, append ? "a" : "w");
13878 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13879 if(f || errno != 13) break;
13880 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13884 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13885 DisplayError(buf, errno);
13888 safeStrCpy(buf, lastMsg, MSG_SIZ);
13889 DisplayMessage(_("Waiting for access to save file"), "");
13890 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13891 DisplayMessage(_("Saving game"), "");
13892 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13893 result = SaveGame(f, 0, NULL);
13894 DisplayMessage(buf, "");
13901 SavePart (char *str)
13903 static char buf[MSG_SIZ];
13906 p = strchr(str, ' ');
13907 if (p == NULL) return str;
13908 strncpy(buf, str, p - str);
13909 buf[p - str] = NULLCHAR;
13913 #define PGN_MAX_LINE 75
13915 #define PGN_SIDE_WHITE 0
13916 #define PGN_SIDE_BLACK 1
13919 FindFirstMoveOutOfBook (int side)
13923 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13924 int index = backwardMostMove;
13925 int has_book_hit = 0;
13927 if( (index % 2) != side ) {
13931 while( index < forwardMostMove ) {
13932 /* Check to see if engine is in book */
13933 int depth = pvInfoList[index].depth;
13934 int score = pvInfoList[index].score;
13940 else if( score == 0 && depth == 63 ) {
13941 in_book = 1; /* Zappa */
13943 else if( score == 2 && depth == 99 ) {
13944 in_book = 1; /* Abrok */
13947 has_book_hit += in_book;
13963 GetOutOfBookInfo (char * buf)
13967 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13969 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13970 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13974 if( oob[0] >= 0 || oob[1] >= 0 ) {
13975 for( i=0; i<2; i++ ) {
13979 if( i > 0 && oob[0] >= 0 ) {
13980 strcat( buf, " " );
13983 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13984 sprintf( buf+strlen(buf), "%s%.2f",
13985 pvInfoList[idx].score >= 0 ? "+" : "",
13986 pvInfoList[idx].score / 100.0 );
13992 /* Save game in PGN style */
13994 SaveGamePGN2 (FILE *f)
13996 int i, offset, linelen, newblock;
13999 int movelen, numlen, blank;
14000 char move_buffer[100]; /* [AS] Buffer for move+PV info */
14002 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14004 PrintPGNTags(f, &gameInfo);
14006 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
14008 if (backwardMostMove > 0 || startedFromSetupPosition) {
14009 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
14010 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
14011 fprintf(f, "\n{--------------\n");
14012 PrintPosition(f, backwardMostMove);
14013 fprintf(f, "--------------}\n");
14017 /* [AS] Out of book annotation */
14018 if( appData.saveOutOfBookInfo ) {
14021 GetOutOfBookInfo( buf );
14023 if( buf[0] != '\0' ) {
14024 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
14031 i = backwardMostMove;
14035 while (i < forwardMostMove) {
14036 /* Print comments preceding this move */
14037 if (commentList[i] != NULL) {
14038 if (linelen > 0) fprintf(f, "\n");
14039 fprintf(f, "%s", commentList[i]);
14044 /* Format move number */
14046 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
14049 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
14051 numtext[0] = NULLCHAR;
14053 numlen = strlen(numtext);
14056 /* Print move number */
14057 blank = linelen > 0 && numlen > 0;
14058 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
14067 fprintf(f, "%s", numtext);
14071 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
14072 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
14075 blank = linelen > 0 && movelen > 0;
14076 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
14085 fprintf(f, "%s", move_buffer);
14086 linelen += movelen;
14088 /* [AS] Add PV info if present */
14089 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
14090 /* [HGM] add time */
14091 char buf[MSG_SIZ]; int seconds;
14093 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
14099 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
14102 seconds = (seconds + 4)/10; // round to full seconds
14104 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
14106 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
14109 if(appData.cumulativeTimePGN) {
14110 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
14113 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
14114 pvInfoList[i].score >= 0 ? "+" : "",
14115 pvInfoList[i].score / 100.0,
14116 pvInfoList[i].depth,
14119 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
14121 /* Print score/depth */
14122 blank = linelen > 0 && movelen > 0;
14123 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
14132 fprintf(f, "%s", move_buffer);
14133 linelen += movelen;
14139 /* Start a new line */
14140 if (linelen > 0) fprintf(f, "\n");
14142 /* Print comments after last move */
14143 if (commentList[i] != NULL) {
14144 fprintf(f, "%s\n", commentList[i]);
14148 if (gameInfo.resultDetails != NULL &&
14149 gameInfo.resultDetails[0] != NULLCHAR) {
14150 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
14151 if(gameInfo.result == GameUnfinished && appData.clockMode &&
14152 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
14153 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
14154 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
14156 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14160 /* Save game in PGN style and close the file */
14162 SaveGamePGN (FILE *f)
14166 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14170 /* Save game in old style and close the file */
14172 SaveGameOldStyle (FILE *f)
14177 tm = time((time_t *) NULL);
14179 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14182 if (backwardMostMove > 0 || startedFromSetupPosition) {
14183 fprintf(f, "\n[--------------\n");
14184 PrintPosition(f, backwardMostMove);
14185 fprintf(f, "--------------]\n");
14190 i = backwardMostMove;
14191 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14193 while (i < forwardMostMove) {
14194 if (commentList[i] != NULL) {
14195 fprintf(f, "[%s]\n", commentList[i]);
14198 if ((i % 2) == 1) {
14199 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14202 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14204 if (commentList[i] != NULL) {
14208 if (i >= forwardMostMove) {
14212 fprintf(f, "%s\n", parseList[i]);
14217 if (commentList[i] != NULL) {
14218 fprintf(f, "[%s]\n", commentList[i]);
14221 /* This isn't really the old style, but it's close enough */
14222 if (gameInfo.resultDetails != NULL &&
14223 gameInfo.resultDetails[0] != NULLCHAR) {
14224 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14225 gameInfo.resultDetails);
14227 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14234 /* Save the current game to open file f and close the file */
14236 SaveGame (FILE *f, int dummy, char *dummy2)
14238 if (gameMode == EditPosition) EditPositionDone(TRUE);
14239 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14240 if (appData.oldSaveStyle)
14241 return SaveGameOldStyle(f);
14243 return SaveGamePGN(f);
14246 /* Save the current position to the given file */
14248 SavePositionToFile (char *filename)
14253 if (strcmp(filename, "-") == 0) {
14254 return SavePosition(stdout, 0, NULL);
14256 f = fopen(filename, "a");
14258 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14259 DisplayError(buf, errno);
14262 safeStrCpy(buf, lastMsg, MSG_SIZ);
14263 DisplayMessage(_("Waiting for access to save file"), "");
14264 flock(fileno(f), LOCK_EX); // [HGM] lock
14265 DisplayMessage(_("Saving position"), "");
14266 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14267 SavePosition(f, 0, NULL);
14268 DisplayMessage(buf, "");
14274 /* Save the current position to the given open file and close the file */
14276 SavePosition (FILE *f, int dummy, char *dummy2)
14281 if (gameMode == EditPosition) EditPositionDone(TRUE);
14282 if (appData.oldSaveStyle) {
14283 tm = time((time_t *) NULL);
14285 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14287 fprintf(f, "[--------------\n");
14288 PrintPosition(f, currentMove);
14289 fprintf(f, "--------------]\n");
14291 fen = PositionToFEN(currentMove, NULL, 1);
14292 fprintf(f, "%s\n", fen);
14300 ReloadCmailMsgEvent (int unregister)
14303 static char *inFilename = NULL;
14304 static char *outFilename;
14306 struct stat inbuf, outbuf;
14309 /* Any registered moves are unregistered if unregister is set, */
14310 /* i.e. invoked by the signal handler */
14312 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14313 cmailMoveRegistered[i] = FALSE;
14314 if (cmailCommentList[i] != NULL) {
14315 free(cmailCommentList[i]);
14316 cmailCommentList[i] = NULL;
14319 nCmailMovesRegistered = 0;
14322 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14323 cmailResult[i] = CMAIL_NOT_RESULT;
14327 if (inFilename == NULL) {
14328 /* Because the filenames are static they only get malloced once */
14329 /* and they never get freed */
14330 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14331 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14333 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14334 sprintf(outFilename, "%s.out", appData.cmailGameName);
14337 status = stat(outFilename, &outbuf);
14339 cmailMailedMove = FALSE;
14341 status = stat(inFilename, &inbuf);
14342 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14345 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14346 counts the games, notes how each one terminated, etc.
14348 It would be nice to remove this kludge and instead gather all
14349 the information while building the game list. (And to keep it
14350 in the game list nodes instead of having a bunch of fixed-size
14351 parallel arrays.) Note this will require getting each game's
14352 termination from the PGN tags, as the game list builder does
14353 not process the game moves. --mann
14355 cmailMsgLoaded = TRUE;
14356 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14358 /* Load first game in the file or popup game menu */
14359 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14361 #endif /* !WIN32 */
14369 char string[MSG_SIZ];
14371 if ( cmailMailedMove
14372 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14373 return TRUE; /* Allow free viewing */
14376 /* Unregister move to ensure that we don't leave RegisterMove */
14377 /* with the move registered when the conditions for registering no */
14379 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14380 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14381 nCmailMovesRegistered --;
14383 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14385 free(cmailCommentList[lastLoadGameNumber - 1]);
14386 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14390 if (cmailOldMove == -1) {
14391 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14395 if (currentMove > cmailOldMove + 1) {
14396 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14400 if (currentMove < cmailOldMove) {
14401 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14405 if (forwardMostMove > currentMove) {
14406 /* Silently truncate extra moves */
14410 if ( (currentMove == cmailOldMove + 1)
14411 || ( (currentMove == cmailOldMove)
14412 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14413 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14414 if (gameInfo.result != GameUnfinished) {
14415 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14418 if (commentList[currentMove] != NULL) {
14419 cmailCommentList[lastLoadGameNumber - 1]
14420 = StrSave(commentList[currentMove]);
14422 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14424 if (appData.debugMode)
14425 fprintf(debugFP, "Saving %s for game %d\n",
14426 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14428 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14430 f = fopen(string, "w");
14431 if (appData.oldSaveStyle) {
14432 SaveGameOldStyle(f); /* also closes the file */
14434 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14435 f = fopen(string, "w");
14436 SavePosition(f, 0, NULL); /* also closes the file */
14438 fprintf(f, "{--------------\n");
14439 PrintPosition(f, currentMove);
14440 fprintf(f, "--------------}\n\n");
14442 SaveGame(f, 0, NULL); /* also closes the file*/
14445 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14446 nCmailMovesRegistered ++;
14447 } else if (nCmailGames == 1) {
14448 DisplayError(_("You have not made a move yet"), 0);
14459 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14460 FILE *commandOutput;
14461 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14462 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14468 if (! cmailMsgLoaded) {
14469 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14473 if (nCmailGames == nCmailResults) {
14474 DisplayError(_("No unfinished games"), 0);
14478 #if CMAIL_PROHIBIT_REMAIL
14479 if (cmailMailedMove) {
14480 snprintf(msg, MSG_SIZ, _("You have already mailed a move.\nWait until a move arrives from your opponent.\nTo resend the same move, type\n\"cmail -remail -game %s\"\non the command line."), appData.cmailGameName);
14481 DisplayError(msg, 0);
14486 if (! (cmailMailedMove || RegisterMove())) return;
14488 if ( cmailMailedMove
14489 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14490 snprintf(string, MSG_SIZ, partCommandString,
14491 appData.debugMode ? " -v" : "", appData.cmailGameName);
14492 commandOutput = popen(string, "r");
14494 if (commandOutput == NULL) {
14495 DisplayError(_("Failed to invoke cmail"), 0);
14497 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14498 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14500 if (nBuffers > 1) {
14501 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14502 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14503 nBytes = MSG_SIZ - 1;
14505 (void) memcpy(msg, buffer, nBytes);
14507 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14509 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14510 cmailMailedMove = TRUE; /* Prevent >1 moves */
14513 for (i = 0; i < nCmailGames; i ++) {
14514 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14519 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14521 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14523 appData.cmailGameName,
14525 LoadGameFromFile(buffer, 1, buffer, FALSE);
14526 cmailMsgLoaded = FALSE;
14530 DisplayInformation(msg);
14531 pclose(commandOutput);
14534 if ((*cmailMsg) != '\0') {
14535 DisplayInformation(cmailMsg);
14540 #endif /* !WIN32 */
14549 int prependComma = 0;
14551 char string[MSG_SIZ]; /* Space for game-list */
14554 if (!cmailMsgLoaded) return "";
14556 if (cmailMailedMove) {
14557 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14559 /* Create a list of games left */
14560 snprintf(string, MSG_SIZ, "[");
14561 for (i = 0; i < nCmailGames; i ++) {
14562 if (! ( cmailMoveRegistered[i]
14563 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14564 if (prependComma) {
14565 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14567 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14571 strcat(string, number);
14574 strcat(string, "]");
14576 if (nCmailMovesRegistered + nCmailResults == 0) {
14577 switch (nCmailGames) {
14579 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14583 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14587 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14592 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14594 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14599 if (nCmailResults == nCmailGames) {
14600 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14602 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14607 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14619 if (gameMode == Training)
14620 SetTrainingModeOff();
14623 cmailMsgLoaded = FALSE;
14624 if (appData.icsActive) {
14625 SendToICS(ics_prefix);
14626 SendToICS("refresh\n");
14631 ExitEvent (int status)
14635 /* Give up on clean exit */
14639 /* Keep trying for clean exit */
14643 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14644 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14646 if (telnetISR != NULL) {
14647 RemoveInputSource(telnetISR);
14649 if (icsPR != NoProc) {
14650 DestroyChildProcess(icsPR, TRUE);
14653 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14654 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14656 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14657 /* make sure this other one finishes before killing it! */
14658 if(endingGame) { int count = 0;
14659 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14660 while(endingGame && count++ < 10) DoSleep(1);
14661 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14664 /* Kill off chess programs */
14665 if (first.pr != NoProc) {
14668 DoSleep( appData.delayBeforeQuit );
14669 SendToProgram("quit\n", &first);
14670 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14672 if (second.pr != NoProc) {
14673 DoSleep( appData.delayBeforeQuit );
14674 SendToProgram("quit\n", &second);
14675 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14677 if (first.isr != NULL) {
14678 RemoveInputSource(first.isr);
14680 if (second.isr != NULL) {
14681 RemoveInputSource(second.isr);
14684 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14685 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14687 ShutDownFrontEnd();
14692 PauseEngine (ChessProgramState *cps)
14694 SendToProgram("pause\n", cps);
14699 UnPauseEngine (ChessProgramState *cps)
14701 SendToProgram("resume\n", cps);
14708 if (appData.debugMode)
14709 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14713 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14715 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14716 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14717 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14719 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14720 HandleMachineMove(stashedInputMove, stalledEngine);
14721 stalledEngine = NULL;
14724 if (gameMode == MachinePlaysWhite ||
14725 gameMode == TwoMachinesPlay ||
14726 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14727 if(first.pause) UnPauseEngine(&first);
14728 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14729 if(second.pause) UnPauseEngine(&second);
14730 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14733 DisplayBothClocks();
14735 if (gameMode == PlayFromGameFile) {
14736 if (appData.timeDelay >= 0)
14737 AutoPlayGameLoop();
14738 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14739 Reset(FALSE, TRUE);
14740 SendToICS(ics_prefix);
14741 SendToICS("refresh\n");
14742 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14743 ForwardInner(forwardMostMove);
14745 pauseExamInvalid = FALSE;
14747 switch (gameMode) {
14751 pauseExamForwardMostMove = forwardMostMove;
14752 pauseExamInvalid = FALSE;
14755 case IcsPlayingWhite:
14756 case IcsPlayingBlack:
14760 case PlayFromGameFile:
14761 (void) StopLoadGameTimer();
14765 case BeginningOfGame:
14766 if (appData.icsActive) return;
14767 /* else fall through */
14768 case MachinePlaysWhite:
14769 case MachinePlaysBlack:
14770 case TwoMachinesPlay:
14771 if (forwardMostMove == 0)
14772 return; /* don't pause if no one has moved */
14773 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14774 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14775 if(onMove->pause) { // thinking engine can be paused
14776 PauseEngine(onMove); // do it
14777 if(onMove->other->pause) // pondering opponent can always be paused immediately
14778 PauseEngine(onMove->other);
14780 SendToProgram("easy\n", onMove->other);
14782 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14783 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14785 PauseEngine(&first);
14787 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14788 } else { // human on move, pause pondering by either method
14790 PauseEngine(&first);
14791 else if(appData.ponderNextMove)
14792 SendToProgram("easy\n", &first);
14795 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14805 EditCommentEvent ()
14807 char title[MSG_SIZ];
14809 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14810 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14812 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14813 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14814 parseList[currentMove - 1]);
14817 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14824 char *tags = PGNTags(&gameInfo);
14826 EditTagsPopUp(tags, NULL);
14833 if(WaitForEngine(&second, StartSecond)) return;
14834 InitChessProgram(&second, FALSE);
14835 FeedMovesToProgram(&second, currentMove);
14837 SendToProgram("analyze\n", &second);
14838 second.analyzing = TRUE;
14845 if(second.analyzing) {
14846 SendToProgram("exit\n", &second);
14847 second.analyzing = FALSE;
14853 /* Toggle ShowThinking */
14855 ToggleShowThinking()
14857 appData.showThinking = !appData.showThinking;
14858 ShowThinkingEvent();
14862 AnalyzeModeEvent ()
14866 if (!first.analysisSupport) {
14867 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14868 DisplayError(buf, 0);
14871 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14872 if (appData.icsActive) {
14873 if (gameMode != IcsObserving) {
14874 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14875 DisplayError(buf, 0);
14877 if (appData.icsEngineAnalyze) {
14878 if (appData.debugMode)
14879 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14885 /* if enable, user wants to disable icsEngineAnalyze */
14886 if (appData.icsEngineAnalyze) {
14891 appData.icsEngineAnalyze = TRUE;
14892 if (appData.debugMode)
14893 fprintf(debugFP, "ICS engine analyze starting... \n");
14896 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14897 if (appData.noChessProgram || gameMode == AnalyzeMode)
14900 if (gameMode != AnalyzeFile) {
14901 if (!appData.icsEngineAnalyze) {
14903 if (gameMode != EditGame) return 0;
14905 if (!appData.showThinking) ToggleShowThinking();
14906 ResurrectChessProgram();
14907 SendToProgram("analyze\n", &first);
14908 first.analyzing = TRUE;
14909 /*first.maybeThinking = TRUE;*/
14910 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14911 EngineOutputPopUp();
14913 if (!appData.icsEngineAnalyze) {
14914 gameMode = AnalyzeMode;
14915 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14921 StartAnalysisClock();
14922 GetTimeMark(&lastNodeCountTime);
14928 AnalyzeFileEvent ()
14930 if (appData.noChessProgram || gameMode == AnalyzeFile)
14933 if (!first.analysisSupport) {
14935 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14936 DisplayError(buf, 0);
14940 if (gameMode != AnalyzeMode) {
14941 keepInfo = 1; // mere annotating should not alter PGN tags
14944 if (gameMode != EditGame) return;
14945 if (!appData.showThinking) ToggleShowThinking();
14946 ResurrectChessProgram();
14947 SendToProgram("analyze\n", &first);
14948 first.analyzing = TRUE;
14949 /*first.maybeThinking = TRUE;*/
14950 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14951 EngineOutputPopUp();
14953 gameMode = AnalyzeFile;
14957 StartAnalysisClock();
14958 GetTimeMark(&lastNodeCountTime);
14960 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14961 AnalysisPeriodicEvent(1);
14965 MachineWhiteEvent ()
14968 char *bookHit = NULL;
14970 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14974 if (gameMode == PlayFromGameFile ||
14975 gameMode == TwoMachinesPlay ||
14976 gameMode == Training ||
14977 gameMode == AnalyzeMode ||
14978 gameMode == EndOfGame)
14981 if (gameMode == EditPosition)
14982 EditPositionDone(TRUE);
14984 if (!WhiteOnMove(currentMove)) {
14985 DisplayError(_("It is not White's turn"), 0);
14989 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14992 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14993 gameMode == AnalyzeFile)
14996 ResurrectChessProgram(); /* in case it isn't running */
14997 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14998 gameMode = MachinePlaysWhite;
15001 gameMode = MachinePlaysWhite;
15005 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
15007 if (first.sendName) {
15008 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
15009 SendToProgram(buf, &first);
15011 if (first.sendTime) {
15012 if (first.useColors) {
15013 SendToProgram("black\n", &first); /*gnu kludge*/
15015 SendTimeRemaining(&first, TRUE);
15017 if (first.useColors) {
15018 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
15020 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
15021 SetMachineThinkingEnables();
15022 first.maybeThinking = TRUE;
15026 if (appData.autoFlipView && !flipView) {
15027 flipView = !flipView;
15028 DrawPosition(FALSE, NULL);
15029 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
15032 if(bookHit) { // [HGM] book: simulate book reply
15033 static char bookMove[MSG_SIZ]; // a bit generous?
15035 programStats.nodes = programStats.depth = programStats.time =
15036 programStats.score = programStats.got_only_move = 0;
15037 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15039 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15040 strcat(bookMove, bookHit);
15041 savedMessage = bookMove; // args for deferred call
15042 savedState = &first;
15043 ScheduleDelayedEvent(DeferredBookMove, 1);
15048 MachineBlackEvent ()
15051 char *bookHit = NULL;
15053 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
15057 if (gameMode == PlayFromGameFile ||
15058 gameMode == TwoMachinesPlay ||
15059 gameMode == Training ||
15060 gameMode == AnalyzeMode ||
15061 gameMode == EndOfGame)
15064 if (gameMode == EditPosition)
15065 EditPositionDone(TRUE);
15067 if (WhiteOnMove(currentMove)) {
15068 DisplayError(_("It is not Black's turn"), 0);
15072 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
15075 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15076 gameMode == AnalyzeFile)
15079 ResurrectChessProgram(); /* in case it isn't running */
15080 gameMode = MachinePlaysBlack;
15084 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
15086 if (first.sendName) {
15087 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
15088 SendToProgram(buf, &first);
15090 if (first.sendTime) {
15091 if (first.useColors) {
15092 SendToProgram("white\n", &first); /*gnu kludge*/
15094 SendTimeRemaining(&first, FALSE);
15096 if (first.useColors) {
15097 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
15099 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
15100 SetMachineThinkingEnables();
15101 first.maybeThinking = TRUE;
15104 if (appData.autoFlipView && flipView) {
15105 flipView = !flipView;
15106 DrawPosition(FALSE, NULL);
15107 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
15109 if(bookHit) { // [HGM] book: simulate book reply
15110 static char bookMove[MSG_SIZ]; // a bit generous?
15112 programStats.nodes = programStats.depth = programStats.time =
15113 programStats.score = programStats.got_only_move = 0;
15114 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15116 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15117 strcat(bookMove, bookHit);
15118 savedMessage = bookMove; // args for deferred call
15119 savedState = &first;
15120 ScheduleDelayedEvent(DeferredBookMove, 1);
15126 DisplayTwoMachinesTitle ()
15129 if (appData.matchGames > 0) {
15130 if(appData.tourneyFile[0]) {
15131 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
15132 gameInfo.white, _("vs."), gameInfo.black,
15133 nextGame+1, appData.matchGames+1,
15134 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
15136 if (first.twoMachinesColor[0] == 'w') {
15137 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
15138 gameInfo.white, _("vs."), gameInfo.black,
15139 first.matchWins, second.matchWins,
15140 matchGame - 1 - (first.matchWins + second.matchWins));
15142 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
15143 gameInfo.white, _("vs."), gameInfo.black,
15144 second.matchWins, first.matchWins,
15145 matchGame - 1 - (first.matchWins + second.matchWins));
15148 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
15154 SettingsMenuIfReady ()
15156 if (second.lastPing != second.lastPong) {
15157 DisplayMessage("", _("Waiting for second chess program"));
15158 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
15162 DisplayMessage("", "");
15163 SettingsPopUp(&second);
15167 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
15170 if (cps->pr == NoProc) {
15171 StartChessProgram(cps);
15172 if (cps->protocolVersion == 1) {
15174 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
15176 /* kludge: allow timeout for initial "feature" command */
15177 if(retry != TwoMachinesEventIfReady) FreezeUI();
15178 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
15179 DisplayMessage("", buf);
15180 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
15188 TwoMachinesEvent P((void))
15190 int i, move = forwardMostMove;
15192 ChessProgramState *onmove;
15193 char *bookHit = NULL;
15194 static int stalling = 0;
15198 if (appData.noChessProgram) return;
15200 switch (gameMode) {
15201 case TwoMachinesPlay:
15203 case MachinePlaysWhite:
15204 case MachinePlaysBlack:
15205 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15206 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15210 case BeginningOfGame:
15211 case PlayFromGameFile:
15214 if (gameMode != EditGame) return;
15217 EditPositionDone(TRUE);
15228 // forwardMostMove = currentMove;
15229 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15230 startingEngine = TRUE;
15232 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15234 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15235 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15236 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15240 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15242 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15243 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15244 startingEngine = matchMode = FALSE;
15245 DisplayError("second engine does not play this", 0);
15246 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15247 EditGameEvent(); // switch back to EditGame mode
15252 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15253 SendToProgram("force\n", &second);
15255 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15259 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15260 if(appData.matchPause>10000 || appData.matchPause<10)
15261 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15262 wait = SubtractTimeMarks(&now, &pauseStart);
15263 if(wait < appData.matchPause) {
15264 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15267 // we are now committed to starting the game
15269 DisplayMessage("", "");
15271 if (startedFromSetupPosition) {
15272 SendBoard(&second, backwardMostMove);
15273 if (appData.debugMode) {
15274 fprintf(debugFP, "Two Machines\n");
15277 for (i = backwardMostMove; i < forwardMostMove; i++) {
15278 SendMoveToProgram(i, &second);
15282 gameMode = TwoMachinesPlay;
15283 pausing = startingEngine = FALSE;
15284 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15286 DisplayTwoMachinesTitle();
15288 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15293 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15294 SendToProgram(first.computerString, &first);
15295 if (first.sendName) {
15296 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15297 SendToProgram(buf, &first);
15300 SendToProgram(second.computerString, &second);
15301 if (second.sendName) {
15302 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15303 SendToProgram(buf, &second);
15307 if (!first.sendTime || !second.sendTime || move == 0) { // [HGM] first engine changed sides from Reset, so recalc time odds
15309 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15310 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15312 if (onmove->sendTime) {
15313 if (onmove->useColors) {
15314 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15316 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15318 if (onmove->useColors) {
15319 SendToProgram(onmove->twoMachinesColor, onmove);
15321 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15322 // SendToProgram("go\n", onmove);
15323 onmove->maybeThinking = TRUE;
15324 SetMachineThinkingEnables();
15328 if(bookHit) { // [HGM] book: simulate book reply
15329 static char bookMove[MSG_SIZ]; // a bit generous?
15331 programStats.nodes = programStats.depth = programStats.time =
15332 programStats.score = programStats.got_only_move = 0;
15333 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15335 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15336 strcat(bookMove, bookHit);
15337 savedMessage = bookMove; // args for deferred call
15338 savedState = onmove;
15339 ScheduleDelayedEvent(DeferredBookMove, 1);
15346 if (gameMode == Training) {
15347 SetTrainingModeOff();
15348 gameMode = PlayFromGameFile;
15349 DisplayMessage("", _("Training mode off"));
15351 gameMode = Training;
15352 animateTraining = appData.animate;
15354 /* make sure we are not already at the end of the game */
15355 if (currentMove < forwardMostMove) {
15356 SetTrainingModeOn();
15357 DisplayMessage("", _("Training mode on"));
15359 gameMode = PlayFromGameFile;
15360 DisplayError(_("Already at end of game"), 0);
15369 if (!appData.icsActive) return;
15370 switch (gameMode) {
15371 case IcsPlayingWhite:
15372 case IcsPlayingBlack:
15375 case BeginningOfGame:
15383 EditPositionDone(TRUE);
15396 gameMode = IcsIdle;
15406 switch (gameMode) {
15408 SetTrainingModeOff();
15410 case MachinePlaysWhite:
15411 case MachinePlaysBlack:
15412 case BeginningOfGame:
15413 SendToProgram("force\n", &first);
15414 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15415 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15417 abortEngineThink = TRUE;
15418 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15419 SendToProgram(buf, &first);
15420 DisplayMessage("Aborting engine think", "");
15424 SetUserThinkingEnables();
15426 case PlayFromGameFile:
15427 (void) StopLoadGameTimer();
15428 if (gameFileFP != NULL) {
15433 EditPositionDone(TRUE);
15438 SendToProgram("force\n", &first);
15440 case TwoMachinesPlay:
15441 GameEnds(EndOfFile, NULL, GE_PLAYER);
15442 ResurrectChessProgram();
15443 SetUserThinkingEnables();
15446 ResurrectChessProgram();
15448 case IcsPlayingBlack:
15449 case IcsPlayingWhite:
15450 DisplayError(_("Warning: You are still playing a game"), 0);
15453 DisplayError(_("Warning: You are still observing a game"), 0);
15456 DisplayError(_("Warning: You are still examining a game"), 0);
15467 first.offeredDraw = second.offeredDraw = 0;
15469 if (gameMode == PlayFromGameFile) {
15470 whiteTimeRemaining = timeRemaining[0][currentMove];
15471 blackTimeRemaining = timeRemaining[1][currentMove];
15475 if (gameMode == MachinePlaysWhite ||
15476 gameMode == MachinePlaysBlack ||
15477 gameMode == TwoMachinesPlay ||
15478 gameMode == EndOfGame) {
15479 i = forwardMostMove;
15480 while (i > currentMove) {
15481 SendToProgram("undo\n", &first);
15484 if(!adjustedClock) {
15485 whiteTimeRemaining = timeRemaining[0][currentMove];
15486 blackTimeRemaining = timeRemaining[1][currentMove];
15487 DisplayBothClocks();
15489 if (whiteFlag || blackFlag) {
15490 whiteFlag = blackFlag = 0;
15495 gameMode = EditGame;
15501 EditPositionEvent ()
15504 if (gameMode == EditPosition) {
15510 if (gameMode != EditGame) return;
15512 gameMode = EditPosition;
15515 CopyBoard(rightsBoard, nullBoard);
15516 if (currentMove > 0)
15517 CopyBoard(boards[0], boards[currentMove]);
15518 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15519 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15521 blackPlaysFirst = !WhiteOnMove(currentMove);
15523 currentMove = forwardMostMove = backwardMostMove = 0;
15524 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15526 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15532 /* [DM] icsEngineAnalyze - possible call from other functions */
15533 if (appData.icsEngineAnalyze) {
15534 appData.icsEngineAnalyze = FALSE;
15536 DisplayMessage("",_("Close ICS engine analyze..."));
15538 if (first.analysisSupport && first.analyzing) {
15539 SendToBoth("exit\n");
15540 first.analyzing = second.analyzing = FALSE;
15542 thinkOutput[0] = NULLCHAR;
15546 EditPositionDone (Boolean fakeRights)
15548 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15550 startedFromSetupPosition = TRUE;
15551 InitChessProgram(&first, FALSE);
15552 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15554 boards[0][EP_STATUS] = EP_NONE;
15555 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15556 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15557 if(rightsBoard[r][f]) {
15558 ChessSquare p = boards[0][r][f];
15559 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15560 else if(p == king) boards[0][CASTLING][2] = f;
15561 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15562 else rightsBoard[r][f] = 2; // mark for second pass
15565 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15566 if(rightsBoard[r][f] == 2) {
15567 ChessSquare p = boards[0][r][f];
15568 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15569 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15573 SendToProgram("force\n", &first);
15574 if (blackPlaysFirst) {
15575 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15576 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15577 currentMove = forwardMostMove = backwardMostMove = 1;
15578 CopyBoard(boards[1], boards[0]);
15580 currentMove = forwardMostMove = backwardMostMove = 0;
15582 SendBoard(&first, forwardMostMove);
15583 if (appData.debugMode) {
15584 fprintf(debugFP, "EditPosDone\n");
15587 DisplayMessage("", "");
15588 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15589 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15590 gameMode = EditGame;
15592 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15593 ClearHighlights(); /* [AS] */
15596 /* Pause for `ms' milliseconds */
15597 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15599 TimeDelay (long ms)
15606 } while (SubtractTimeMarks(&m2, &m1) < ms);
15609 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15611 SendMultiLineToICS (char *buf)
15613 char temp[MSG_SIZ+1], *p;
15620 strncpy(temp, buf, len);
15625 if (*p == '\n' || *p == '\r')
15630 strcat(temp, "\n");
15632 SendToPlayer(temp, strlen(temp));
15636 SetWhiteToPlayEvent ()
15638 if (gameMode == EditPosition) {
15639 blackPlaysFirst = FALSE;
15640 DisplayBothClocks(); /* works because currentMove is 0 */
15641 } else if (gameMode == IcsExamining) {
15642 SendToICS(ics_prefix);
15643 SendToICS("tomove white\n");
15648 SetBlackToPlayEvent ()
15650 if (gameMode == EditPosition) {
15651 blackPlaysFirst = TRUE;
15652 currentMove = 1; /* kludge */
15653 DisplayBothClocks();
15655 } else if (gameMode == IcsExamining) {
15656 SendToICS(ics_prefix);
15657 SendToICS("tomove black\n");
15662 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15665 ChessSquare piece = boards[0][y][x];
15666 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15667 static int lastVariant;
15668 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15670 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15672 switch (selection) {
15674 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15675 MarkTargetSquares(1);
15676 CopyBoard(currentBoard, boards[0]);
15677 CopyBoard(menuBoard, initialPosition);
15678 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15679 SendToICS(ics_prefix);
15680 SendToICS("bsetup clear\n");
15681 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15682 SendToICS(ics_prefix);
15683 SendToICS("clearboard\n");
15686 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15687 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15688 for (y = 0; y < BOARD_HEIGHT; y++) {
15689 if (gameMode == IcsExamining) {
15690 if (boards[currentMove][y][x] != EmptySquare) {
15691 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15695 } else if(boards[0][y][x] != DarkSquare) {
15696 if(boards[0][y][x] != p) nonEmpty++;
15697 boards[0][y][x] = p;
15701 CopyBoard(rightsBoard, nullBoard);
15702 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15704 for(r = 0; r < BOARD_HEIGHT; r++) {
15705 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15706 ChessSquare p = menuBoard[r][x];
15707 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15710 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15711 DisplayMessage("Clicking clock again restores position", "");
15712 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15713 if(!nonEmpty) { // asked to clear an empty board
15714 CopyBoard(boards[0], menuBoard);
15716 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15717 CopyBoard(boards[0], initialPosition);
15719 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15720 && !CompareBoards(nullBoard, erasedBoard)) {
15721 CopyBoard(boards[0], erasedBoard);
15723 CopyBoard(erasedBoard, currentBoard);
15725 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15726 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15729 if (gameMode == EditPosition) {
15730 DrawPosition(FALSE, boards[0]);
15735 SetWhiteToPlayEvent();
15739 SetBlackToPlayEvent();
15743 if (gameMode == IcsExamining) {
15744 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15745 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15748 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15749 if(x == BOARD_LEFT-2) {
15750 if(y < handSize-1-gameInfo.holdingsSize) break;
15751 boards[0][y][1] = 0;
15753 if(x == BOARD_RGHT+1) {
15754 if(y >= gameInfo.holdingsSize) break;
15755 boards[0][y][BOARD_WIDTH-2] = 0;
15758 boards[0][y][x] = EmptySquare;
15759 DrawPosition(FALSE, boards[0]);
15764 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15765 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15766 selection = (ChessSquare) (PROMOTED(piece));
15767 } else if(piece == EmptySquare) selection = WhiteSilver;
15768 else selection = (ChessSquare)((int)piece - 1);
15772 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15773 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15774 selection = (ChessSquare) (DEMOTED(piece));
15775 } else if(piece == EmptySquare) selection = BlackSilver;
15776 else selection = (ChessSquare)((int)piece + 1);
15781 if(gameInfo.variant == VariantShatranj ||
15782 gameInfo.variant == VariantXiangqi ||
15783 gameInfo.variant == VariantCourier ||
15784 gameInfo.variant == VariantASEAN ||
15785 gameInfo.variant == VariantMakruk )
15786 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15792 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15793 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15799 if(gameInfo.variant == VariantXiangqi)
15800 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15801 if(gameInfo.variant == VariantKnightmate)
15802 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15803 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15806 if (gameMode == IcsExamining) {
15807 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15808 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15809 PieceToChar(selection), AAA + x, ONE + y);
15812 rightsBoard[y][x] = hasRights;
15813 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15815 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15816 n = PieceToNumber(selection - BlackPawn);
15817 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15818 boards[0][handSize-1-n][0] = selection;
15819 boards[0][handSize-1-n][1]++;
15821 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15822 n = PieceToNumber(selection);
15823 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15824 boards[0][n][BOARD_WIDTH-1] = selection;
15825 boards[0][n][BOARD_WIDTH-2]++;
15828 boards[0][y][x] = selection;
15829 DrawPosition(TRUE, boards[0]);
15831 fromX = fromY = -1;
15839 DropMenuEvent (ChessSquare selection, int x, int y)
15841 ChessMove moveType;
15843 switch (gameMode) {
15844 case IcsPlayingWhite:
15845 case MachinePlaysBlack:
15846 if (!WhiteOnMove(currentMove)) {
15847 DisplayMoveError(_("It is Black's turn"));
15850 moveType = WhiteDrop;
15852 case IcsPlayingBlack:
15853 case MachinePlaysWhite:
15854 if (WhiteOnMove(currentMove)) {
15855 DisplayMoveError(_("It is White's turn"));
15858 moveType = BlackDrop;
15861 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15867 if (moveType == BlackDrop && selection < BlackPawn) {
15868 selection = (ChessSquare) ((int) selection
15869 + (int) BlackPawn - (int) WhitePawn);
15871 if (boards[currentMove][y][x] != EmptySquare) {
15872 DisplayMoveError(_("That square is occupied"));
15876 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15882 /* Accept a pending offer of any kind from opponent */
15884 if (appData.icsActive) {
15885 SendToICS(ics_prefix);
15886 SendToICS("accept\n");
15887 } else if (cmailMsgLoaded) {
15888 if (currentMove == cmailOldMove &&
15889 commentList[cmailOldMove] != NULL &&
15890 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15891 "Black offers a draw" : "White offers a draw")) {
15893 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15894 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15896 DisplayError(_("There is no pending offer on this move"), 0);
15897 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15900 /* Not used for offers from chess program */
15907 /* Decline a pending offer of any kind from opponent */
15909 if (appData.icsActive) {
15910 SendToICS(ics_prefix);
15911 SendToICS("decline\n");
15912 } else if (cmailMsgLoaded) {
15913 if (currentMove == cmailOldMove &&
15914 commentList[cmailOldMove] != NULL &&
15915 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15916 "Black offers a draw" : "White offers a draw")) {
15918 AppendComment(cmailOldMove, "Draw declined", TRUE);
15919 DisplayComment(cmailOldMove - 1, "Draw declined");
15922 DisplayError(_("There is no pending offer on this move"), 0);
15925 /* Not used for offers from chess program */
15932 /* Issue ICS rematch command */
15933 if (appData.icsActive) {
15934 SendToICS(ics_prefix);
15935 SendToICS("rematch\n");
15942 /* Call your opponent's flag (claim a win on time) */
15943 if (appData.icsActive) {
15944 SendToICS(ics_prefix);
15945 SendToICS("flag\n");
15947 switch (gameMode) {
15950 case MachinePlaysWhite:
15953 GameEnds(GameIsDrawn, "Both players ran out of time",
15956 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15958 DisplayError(_("Your opponent is not out of time"), 0);
15961 case MachinePlaysBlack:
15964 GameEnds(GameIsDrawn, "Both players ran out of time",
15967 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15969 DisplayError(_("Your opponent is not out of time"), 0);
15977 ClockClick (int which)
15978 { // [HGM] code moved to back-end from winboard.c
15979 if(which) { // black clock
15980 if (gameMode == EditPosition || gameMode == IcsExamining) {
15981 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15982 SetBlackToPlayEvent();
15983 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15984 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15985 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15986 } else if (shiftKey) {
15987 AdjustClock(which, -1);
15988 } else if (gameMode == IcsPlayingWhite ||
15989 gameMode == MachinePlaysBlack) {
15992 } else { // white clock
15993 if (gameMode == EditPosition || gameMode == IcsExamining) {
15994 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15995 SetWhiteToPlayEvent();
15996 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15997 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15998 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15999 } else if (shiftKey) {
16000 AdjustClock(which, -1);
16001 } else if (gameMode == IcsPlayingBlack ||
16002 gameMode == MachinePlaysWhite) {
16011 /* Offer draw or accept pending draw offer from opponent */
16013 if (appData.icsActive) {
16014 /* Note: tournament rules require draw offers to be
16015 made after you make your move but before you punch
16016 your clock. Currently ICS doesn't let you do that;
16017 instead, you immediately punch your clock after making
16018 a move, but you can offer a draw at any time. */
16020 SendToICS(ics_prefix);
16021 SendToICS("draw\n");
16022 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
16023 } else if (cmailMsgLoaded) {
16024 if (currentMove == cmailOldMove &&
16025 commentList[cmailOldMove] != NULL &&
16026 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
16027 "Black offers a draw" : "White offers a draw")) {
16028 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
16029 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
16030 } else if (currentMove == cmailOldMove + 1) {
16031 char *offer = WhiteOnMove(cmailOldMove) ?
16032 "White offers a draw" : "Black offers a draw";
16033 AppendComment(currentMove, offer, TRUE);
16034 DisplayComment(currentMove - 1, offer);
16035 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
16037 DisplayError(_("You must make your move before offering a draw"), 0);
16038 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
16040 } else if (first.offeredDraw) {
16041 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
16043 if (first.sendDrawOffers) {
16044 SendToProgram("draw\n", &first);
16045 userOfferedDraw = TRUE;
16053 /* Offer Adjourn or accept pending Adjourn offer from opponent */
16055 if (appData.icsActive) {
16056 SendToICS(ics_prefix);
16057 SendToICS("adjourn\n");
16059 /* Currently GNU Chess doesn't offer or accept Adjourns */
16067 /* Offer Abort or accept pending Abort offer from opponent */
16069 if (appData.icsActive) {
16070 SendToICS(ics_prefix);
16071 SendToICS("abort\n");
16073 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
16080 /* Resign. You can do this even if it's not your turn. */
16082 if (appData.icsActive) {
16083 SendToICS(ics_prefix);
16084 SendToICS("resign\n");
16086 switch (gameMode) {
16087 case MachinePlaysWhite:
16088 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
16090 case MachinePlaysBlack:
16091 GameEnds(BlackWins, "White resigns", GE_PLAYER);
16094 if (cmailMsgLoaded) {
16096 if (WhiteOnMove(cmailOldMove)) {
16097 GameEnds(BlackWins, "White resigns", GE_PLAYER);
16099 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
16101 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
16112 StopObservingEvent ()
16114 /* Stop observing current games */
16115 SendToICS(ics_prefix);
16116 SendToICS("unobserve\n");
16120 StopExaminingEvent ()
16122 /* Stop observing current game */
16123 SendToICS(ics_prefix);
16124 SendToICS("unexamine\n");
16128 ForwardInner (int target)
16130 int limit; int oldSeekGraphUp = seekGraphUp;
16132 if (appData.debugMode)
16133 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
16134 target, currentMove, forwardMostMove);
16136 if (gameMode == EditPosition)
16139 seekGraphUp = FALSE;
16140 MarkTargetSquares(1);
16141 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16143 if (gameMode == PlayFromGameFile && !pausing)
16146 if (gameMode == IcsExamining && pausing)
16147 limit = pauseExamForwardMostMove;
16149 limit = forwardMostMove;
16151 if (target > limit) target = limit;
16153 if (target > 0 && moveList[target - 1][0]) {
16154 int fromX, fromY, toX, toY;
16155 toX = moveList[target - 1][2] - AAA;
16156 toY = moveList[target - 1][3] - ONE;
16157 if (moveList[target - 1][1] == '@') {
16158 if (appData.highlightLastMove) {
16159 SetHighlights(-1, -1, toX, toY);
16162 fromX = moveList[target - 1][0] - AAA;
16163 fromY = moveList[target - 1][1] - ONE;
16164 if (target == currentMove + 1) {
16165 if(moveList[target - 1][4] == ';') { // multi-leg
16166 killX = moveList[target - 1][5] - AAA;
16167 killY = moveList[target - 1][6] - ONE;
16169 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
16170 killX = killY = -1;
16172 if (appData.highlightLastMove) {
16173 SetHighlights(fromX, fromY, toX, toY);
16177 if (gameMode == EditGame || gameMode == AnalyzeMode ||
16178 gameMode == Training || gameMode == PlayFromGameFile ||
16179 gameMode == AnalyzeFile) {
16180 while (currentMove < target) {
16181 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16182 SendMoveToProgram(currentMove++, &first);
16185 currentMove = target;
16188 if (gameMode == EditGame || gameMode == EndOfGame) {
16189 whiteTimeRemaining = timeRemaining[0][currentMove];
16190 blackTimeRemaining = timeRemaining[1][currentMove];
16192 DisplayBothClocks();
16193 DisplayMove(currentMove - 1);
16194 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16195 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16196 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16197 DisplayComment(currentMove - 1, commentList[currentMove]);
16199 ClearMap(); // [HGM] exclude: invalidate map
16206 if (gameMode == IcsExamining && !pausing) {
16207 SendToICS(ics_prefix);
16208 SendToICS("forward\n");
16210 ForwardInner(currentMove + 1);
16217 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16218 /* to optimze, we temporarily turn off analysis mode while we feed
16219 * the remaining moves to the engine. Otherwise we get analysis output
16222 if (first.analysisSupport) {
16223 SendToProgram("exit\nforce\n", &first);
16224 first.analyzing = FALSE;
16228 if (gameMode == IcsExamining && !pausing) {
16229 SendToICS(ics_prefix);
16230 SendToICS("forward 999999\n");
16232 ForwardInner(forwardMostMove);
16235 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16236 /* we have fed all the moves, so reactivate analysis mode */
16237 SendToProgram("analyze\n", &first);
16238 first.analyzing = TRUE;
16239 /*first.maybeThinking = TRUE;*/
16240 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16245 BackwardInner (int target)
16247 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16249 if (appData.debugMode)
16250 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16251 target, currentMove, forwardMostMove);
16253 if (gameMode == EditPosition) return;
16254 seekGraphUp = FALSE;
16255 MarkTargetSquares(1);
16256 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16257 if (currentMove <= backwardMostMove) {
16259 DrawPosition(full_redraw, boards[currentMove]);
16262 if (gameMode == PlayFromGameFile && !pausing)
16265 if (moveList[target][0]) {
16266 int fromX, fromY, toX, toY;
16267 toX = moveList[target][2] - AAA;
16268 toY = moveList[target][3] - ONE;
16269 if (moveList[target][1] == '@') {
16270 if (appData.highlightLastMove) {
16271 SetHighlights(-1, -1, toX, toY);
16274 fromX = moveList[target][0] - AAA;
16275 fromY = moveList[target][1] - ONE;
16276 if (target == currentMove - 1) {
16277 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16279 if (appData.highlightLastMove) {
16280 SetHighlights(fromX, fromY, toX, toY);
16284 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16285 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16286 while (currentMove > target) {
16287 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16288 // null move cannot be undone. Reload program with move history before it.
16290 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16291 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16293 SendBoard(&first, i);
16294 if(second.analyzing) SendBoard(&second, i);
16295 for(currentMove=i; currentMove<target; currentMove++) {
16296 SendMoveToProgram(currentMove, &first);
16297 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16301 SendToBoth("undo\n");
16305 currentMove = target;
16308 if (gameMode == EditGame || gameMode == EndOfGame) {
16309 whiteTimeRemaining = timeRemaining[0][currentMove];
16310 blackTimeRemaining = timeRemaining[1][currentMove];
16312 DisplayBothClocks();
16313 DisplayMove(currentMove - 1);
16314 DrawPosition(full_redraw, boards[currentMove]);
16315 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16316 // [HGM] PV info: routine tests if comment empty
16317 DisplayComment(currentMove - 1, commentList[currentMove]);
16318 ClearMap(); // [HGM] exclude: invalidate map
16324 if (gameMode == IcsExamining && !pausing) {
16325 SendToICS(ics_prefix);
16326 SendToICS("backward\n");
16328 BackwardInner(currentMove - 1);
16335 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16336 /* to optimize, we temporarily turn off analysis mode while we undo
16337 * all the moves. Otherwise we get analysis output after each undo.
16339 if (first.analysisSupport) {
16340 SendToProgram("exit\nforce\n", &first);
16341 first.analyzing = FALSE;
16345 if (gameMode == IcsExamining && !pausing) {
16346 SendToICS(ics_prefix);
16347 SendToICS("backward 999999\n");
16349 BackwardInner(backwardMostMove);
16352 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16353 /* we have fed all the moves, so reactivate analysis mode */
16354 SendToProgram("analyze\n", &first);
16355 first.analyzing = TRUE;
16356 /*first.maybeThinking = TRUE;*/
16357 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16364 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16365 if (to >= forwardMostMove) to = forwardMostMove;
16366 if (to <= backwardMostMove) to = backwardMostMove;
16367 if (to < currentMove) {
16375 RevertEvent (Boolean annotate)
16377 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16380 if (gameMode != IcsExamining) {
16381 DisplayError(_("You are not examining a game"), 0);
16385 DisplayError(_("You can't revert while pausing"), 0);
16388 SendToICS(ics_prefix);
16389 SendToICS("revert\n");
16393 RetractMoveEvent ()
16395 switch (gameMode) {
16396 case MachinePlaysWhite:
16397 case MachinePlaysBlack:
16398 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16399 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16402 if (forwardMostMove < 2) return;
16403 currentMove = forwardMostMove = forwardMostMove - 2;
16404 whiteTimeRemaining = timeRemaining[0][currentMove];
16405 blackTimeRemaining = timeRemaining[1][currentMove];
16406 DisplayBothClocks();
16407 DisplayMove(currentMove - 1);
16408 ClearHighlights();/*!! could figure this out*/
16409 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16410 SendToProgram("remove\n", &first);
16411 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16414 case BeginningOfGame:
16418 case IcsPlayingWhite:
16419 case IcsPlayingBlack:
16420 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16421 SendToICS(ics_prefix);
16422 SendToICS("takeback 2\n");
16424 SendToICS(ics_prefix);
16425 SendToICS("takeback 1\n");
16434 ChessProgramState *cps;
16436 switch (gameMode) {
16437 case MachinePlaysWhite:
16438 if (!WhiteOnMove(forwardMostMove)) {
16439 DisplayError(_("It is your turn"), 0);
16444 case MachinePlaysBlack:
16445 if (WhiteOnMove(forwardMostMove)) {
16446 DisplayError(_("It is your turn"), 0);
16451 case TwoMachinesPlay:
16452 if (WhiteOnMove(forwardMostMove) ==
16453 (first.twoMachinesColor[0] == 'w')) {
16459 case BeginningOfGame:
16463 SendToProgram("?\n", cps);
16467 TruncateGameEvent ()
16470 if (gameMode != EditGame) return;
16477 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16478 if (forwardMostMove > currentMove) {
16479 if (gameInfo.resultDetails != NULL) {
16480 free(gameInfo.resultDetails);
16481 gameInfo.resultDetails = NULL;
16482 gameInfo.result = GameUnfinished;
16484 forwardMostMove = currentMove;
16485 HistorySet(parseList, backwardMostMove, forwardMostMove,
16493 if (appData.noChessProgram) return;
16494 switch (gameMode) {
16495 case MachinePlaysWhite:
16496 if (WhiteOnMove(forwardMostMove)) {
16497 DisplayError(_("Wait until your turn."), 0);
16501 case BeginningOfGame:
16502 case MachinePlaysBlack:
16503 if (!WhiteOnMove(forwardMostMove)) {
16504 DisplayError(_("Wait until your turn."), 0);
16509 DisplayError(_("No hint available"), 0);
16512 SendToProgram("hint\n", &first);
16513 hintRequested = TRUE;
16517 SaveSelected (FILE *g, int dummy, char *dummy2)
16519 ListGame * lg = (ListGame *) gameList.head;
16523 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16524 DisplayError(_("Game list not loaded or empty"), 0);
16528 creatingBook = TRUE; // suppresses stuff during load game
16530 /* Get list size */
16531 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16532 if(lg->position >= 0) { // selected?
16533 LoadGame(f, nItem, "", TRUE);
16534 SaveGamePGN2(g); // leaves g open
16537 lg = (ListGame *) lg->node.succ;
16541 creatingBook = FALSE;
16549 ListGame * lg = (ListGame *) gameList.head;
16552 static int secondTime = FALSE;
16554 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16555 DisplayError(_("Game list not loaded or empty"), 0);
16559 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16562 DisplayNote(_("Book file exists! Try again for overwrite."));
16566 creatingBook = TRUE;
16567 secondTime = FALSE;
16569 /* Get list size */
16570 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16571 if(lg->position >= 0) {
16572 LoadGame(f, nItem, "", TRUE);
16573 AddGameToBook(TRUE);
16576 lg = (ListGame *) lg->node.succ;
16579 creatingBook = FALSE;
16586 if (appData.noChessProgram) return;
16587 switch (gameMode) {
16588 case MachinePlaysWhite:
16589 if (WhiteOnMove(forwardMostMove)) {
16590 DisplayError(_("Wait until your turn."), 0);
16594 case BeginningOfGame:
16595 case MachinePlaysBlack:
16596 if (!WhiteOnMove(forwardMostMove)) {
16597 DisplayError(_("Wait until your turn."), 0);
16602 EditPositionDone(TRUE);
16604 case TwoMachinesPlay:
16609 SendToProgram("bk\n", &first);
16610 bookOutput[0] = NULLCHAR;
16611 bookRequested = TRUE;
16617 char *tags = PGNTags(&gameInfo);
16618 TagsPopUp(tags, CmailMsg());
16622 /* end button procedures */
16625 PrintPosition (FILE *fp, int move)
16629 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16630 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16631 char c = PieceToChar(boards[move][i][j]);
16632 fputc(c == '?' ? '.' : c, fp);
16633 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16636 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16637 fprintf(fp, "white to play\n");
16639 fprintf(fp, "black to play\n");
16643 PrintOpponents (FILE *fp)
16645 if (gameInfo.white != NULL) {
16646 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16652 /* Find last component of program's own name, using some heuristics */
16654 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16657 int local = (strcmp(host, "localhost") == 0);
16658 while (!local && (p = strchr(prog, ';')) != NULL) {
16660 while (*p == ' ') p++;
16663 if (*prog == '"' || *prog == '\'') {
16664 q = strchr(prog + 1, *prog);
16666 q = strchr(prog, ' ');
16668 if (q == NULL) q = prog + strlen(prog);
16670 while (p >= prog && *p != '/' && *p != '\\') p--;
16672 if(p == prog && *p == '"') p++;
16674 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16675 memcpy(buf, p, q - p);
16676 buf[q - p] = NULLCHAR;
16684 TimeControlTagValue ()
16687 if (!appData.clockMode) {
16688 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16689 } else if (movesPerSession > 0) {
16690 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16691 } else if (timeIncrement == 0) {
16692 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16694 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16696 return StrSave(buf);
16702 /* This routine is used only for certain modes */
16703 VariantClass v = gameInfo.variant;
16704 ChessMove r = GameUnfinished;
16707 if(keepInfo) return;
16709 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16710 r = gameInfo.result;
16711 p = gameInfo.resultDetails;
16712 gameInfo.resultDetails = NULL;
16714 ClearGameInfo(&gameInfo);
16715 gameInfo.variant = v;
16717 switch (gameMode) {
16718 case MachinePlaysWhite:
16719 gameInfo.event = StrSave( appData.pgnEventHeader );
16720 gameInfo.site = StrSave(HostName());
16721 gameInfo.date = PGNDate();
16722 gameInfo.round = StrSave("-");
16723 gameInfo.white = StrSave(first.tidy);
16724 gameInfo.black = StrSave(UserName());
16725 gameInfo.timeControl = TimeControlTagValue();
16728 case MachinePlaysBlack:
16729 gameInfo.event = StrSave( appData.pgnEventHeader );
16730 gameInfo.site = StrSave(HostName());
16731 gameInfo.date = PGNDate();
16732 gameInfo.round = StrSave("-");
16733 gameInfo.white = StrSave(UserName());
16734 gameInfo.black = StrSave(first.tidy);
16735 gameInfo.timeControl = TimeControlTagValue();
16738 case TwoMachinesPlay:
16739 gameInfo.event = StrSave( appData.pgnEventHeader );
16740 gameInfo.site = StrSave(HostName());
16741 gameInfo.date = PGNDate();
16744 snprintf(buf, MSG_SIZ, "%d", roundNr);
16745 gameInfo.round = StrSave(buf);
16747 gameInfo.round = StrSave("-");
16749 if (first.twoMachinesColor[0] == 'w') {
16750 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16751 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16753 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16754 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16756 gameInfo.timeControl = TimeControlTagValue();
16760 gameInfo.event = StrSave("Edited game");
16761 gameInfo.site = StrSave(HostName());
16762 gameInfo.date = PGNDate();
16763 gameInfo.round = StrSave("-");
16764 gameInfo.white = StrSave("-");
16765 gameInfo.black = StrSave("-");
16766 gameInfo.result = r;
16767 gameInfo.resultDetails = p;
16771 gameInfo.event = StrSave("Edited position");
16772 gameInfo.site = StrSave(HostName());
16773 gameInfo.date = PGNDate();
16774 gameInfo.round = StrSave("-");
16775 gameInfo.white = StrSave("-");
16776 gameInfo.black = StrSave("-");
16779 case IcsPlayingWhite:
16780 case IcsPlayingBlack:
16785 case PlayFromGameFile:
16786 gameInfo.event = StrSave("Game from non-PGN file");
16787 gameInfo.site = StrSave(HostName());
16788 gameInfo.date = PGNDate();
16789 gameInfo.round = StrSave("-");
16790 gameInfo.white = StrSave("?");
16791 gameInfo.black = StrSave("?");
16800 ReplaceComment (int index, char *text)
16806 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16807 pvInfoList[index-1].depth == len &&
16808 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16809 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16810 while (*text == '\n') text++;
16811 len = strlen(text);
16812 while (len > 0 && text[len - 1] == '\n') len--;
16814 if (commentList[index] != NULL)
16815 free(commentList[index]);
16818 commentList[index] = NULL;
16821 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16822 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16823 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16824 commentList[index] = (char *) malloc(len + 2);
16825 strncpy(commentList[index], text, len);
16826 commentList[index][len] = '\n';
16827 commentList[index][len + 1] = NULLCHAR;
16829 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16831 commentList[index] = (char *) malloc(len + 7);
16832 safeStrCpy(commentList[index], "{\n", 3);
16833 safeStrCpy(commentList[index]+2, text, len+1);
16834 commentList[index][len+2] = NULLCHAR;
16835 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16836 strcat(commentList[index], "\n}\n");
16841 CrushCRs (char *text)
16849 if (ch == '\r') continue;
16851 } while (ch != '\0');
16855 AppendComment (int index, char *text, Boolean addBraces)
16856 /* addBraces tells if we should add {} */
16861 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16862 if(addBraces == 3) addBraces = 0; else // force appending literally
16863 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16866 while (*text == '\n') text++;
16867 len = strlen(text);
16868 while (len > 0 && text[len - 1] == '\n') len--;
16869 text[len] = NULLCHAR;
16871 if (len == 0) return;
16873 if (commentList[index] != NULL) {
16874 Boolean addClosingBrace = addBraces;
16875 old = commentList[index];
16876 oldlen = strlen(old);
16877 while(commentList[index][oldlen-1] == '\n')
16878 commentList[index][--oldlen] = NULLCHAR;
16879 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16880 safeStrCpy(commentList[index], old, oldlen + len + 6);
16882 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16883 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16884 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16885 while (*text == '\n') { text++; len--; }
16886 commentList[index][--oldlen] = NULLCHAR;
16888 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16889 else strcat(commentList[index], "\n");
16890 strcat(commentList[index], text);
16891 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16892 else strcat(commentList[index], "\n");
16894 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16896 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16897 else commentList[index][0] = NULLCHAR;
16898 strcat(commentList[index], text);
16899 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16900 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16905 FindStr (char * text, char * sub_text)
16907 char * result = strstr( text, sub_text );
16909 if( result != NULL ) {
16910 result += strlen( sub_text );
16916 /* [AS] Try to extract PV info from PGN comment */
16917 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16919 GetInfoFromComment (int index, char * text)
16921 char * sep = text, *p;
16923 if( text != NULL && index > 0 ) {
16926 int time = -1, sec = 0, deci;
16927 char * s_eval = FindStr( text, "[%eval " );
16928 char * s_emt = FindStr( text, "[%emt " );
16930 if( s_eval != NULL || s_emt != NULL ) {
16932 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16937 if( s_eval != NULL ) {
16938 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16942 if( delim != ']' ) {
16947 if( s_emt != NULL ) {
16952 /* We expect something like: [+|-]nnn.nn/dd */
16955 if(*text != '{') return text; // [HGM] braces: must be normal comment
16957 sep = strchr( text, '/' );
16958 if( sep == NULL || sep < (text+4) ) {
16963 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16964 if(p[1] == '(') { // comment starts with PV
16965 p = strchr(p, ')'); // locate end of PV
16966 if(p == NULL || sep < p+5) return text;
16967 // at this point we have something like "{(.*) +0.23/6 ..."
16968 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16969 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16970 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16972 time = -1; sec = -1; deci = -1;
16973 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16974 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16975 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16976 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16980 if( score_lo < 0 || score_lo >= 100 ) {
16984 if(sec >= 0) time = 600*time + 10*sec; else
16985 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16987 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16989 /* [HGM] PV time: now locate end of PV info */
16990 while( *++sep >= '0' && *sep <= '9'); // strip depth
16992 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16994 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16996 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16997 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
17008 pvInfoList[index-1].depth = depth;
17009 pvInfoList[index-1].score = score;
17010 pvInfoList[index-1].time = 10*time; // centi-sec
17011 if(*sep == '}') *sep = 0; else *--sep = '{';
17013 while(*p++ = *sep++)
17016 } // squeeze out space between PV and comment, and return both
17022 SendToProgram (char *message, ChessProgramState *cps)
17024 int count, outCount, error;
17027 if (cps->pr == NoProc) return;
17030 if (appData.debugMode) {
17033 fprintf(debugFP, "%ld >%-6s: %s",
17034 SubtractTimeMarks(&now, &programStartTime),
17035 cps->which, message);
17037 fprintf(serverFP, "%ld >%-6s: %s",
17038 SubtractTimeMarks(&now, &programStartTime),
17039 cps->which, message), fflush(serverFP);
17042 count = strlen(message);
17043 outCount = OutputToProcess(cps->pr, message, count, &error);
17044 if (outCount < count && !exiting
17045 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
17046 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
17047 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
17048 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
17049 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
17050 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
17051 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
17052 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
17054 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
17055 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
17056 gameInfo.result = res;
17058 gameInfo.resultDetails = StrSave(buf);
17060 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
17061 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
17066 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
17070 ChessProgramState *cps = (ChessProgramState *)closure;
17072 if (isr != cps->isr) return; /* Killed intentionally */
17075 RemoveInputSource(cps->isr);
17076 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
17077 _(cps->which), cps->program);
17078 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
17079 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
17080 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
17081 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
17082 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
17083 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
17085 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
17086 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
17087 gameInfo.result = res;
17089 gameInfo.resultDetails = StrSave(buf);
17091 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
17092 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
17094 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
17095 _(cps->which), cps->program);
17096 RemoveInputSource(cps->isr);
17098 /* [AS] Program is misbehaving badly... kill it */
17099 if( count == -2 ) {
17100 DestroyChildProcess( cps->pr, 9 );
17104 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
17109 if ((end_str = strchr(message, '\r')) != NULL)
17110 *end_str = NULLCHAR;
17111 if ((end_str = strchr(message, '\n')) != NULL)
17112 *end_str = NULLCHAR;
17114 if (appData.debugMode) {
17115 TimeMark now; int print = 1;
17116 char *quote = ""; char c; int i;
17118 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
17119 char start = message[0];
17120 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
17121 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
17122 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
17123 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
17124 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
17125 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
17126 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
17127 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
17128 sscanf(message, "hint: %c", &c)!=1 &&
17129 sscanf(message, "pong %c", &c)!=1 && start != '#') {
17130 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
17131 print = (appData.engineComments >= 2);
17133 message[0] = start; // restore original message
17137 fprintf(debugFP, "%ld <%-6s: %s%s\n",
17138 SubtractTimeMarks(&now, &programStartTime), cps->which,
17142 fprintf(serverFP, "%ld <%-6s: %s%s\n",
17143 SubtractTimeMarks(&now, &programStartTime), cps->which,
17145 message), fflush(serverFP);
17149 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
17150 if (appData.icsEngineAnalyze) {
17151 if (strstr(message, "whisper") != NULL ||
17152 strstr(message, "kibitz") != NULL ||
17153 strstr(message, "tellics") != NULL) return;
17156 HandleMachineMove(message, cps);
17161 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
17166 if( timeControl_2 > 0 ) {
17167 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
17168 tc = timeControl_2;
17171 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
17172 inc /= cps->timeOdds;
17173 st /= cps->timeOdds;
17175 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
17178 /* Set exact time per move, normally using st command */
17179 if (cps->stKludge) {
17180 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
17182 if (seconds == 0) {
17183 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
17185 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
17188 snprintf(buf, MSG_SIZ, "st %d\n", st);
17191 /* Set conventional or incremental time control, using level command */
17192 if (seconds == 0) {
17193 /* Note old gnuchess bug -- minutes:seconds used to not work.
17194 Fixed in later versions, but still avoid :seconds
17195 when seconds is 0. */
17196 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17198 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17199 seconds, inc/1000.);
17202 SendToProgram(buf, cps);
17204 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17205 /* Orthogonally, limit search to given depth */
17207 if (cps->sdKludge) {
17208 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17210 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17212 SendToProgram(buf, cps);
17215 if(cps->nps >= 0) { /* [HGM] nps */
17216 if(cps->supportsNPS == FALSE)
17217 cps->nps = -1; // don't use if engine explicitly says not supported!
17219 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17220 SendToProgram(buf, cps);
17225 ChessProgramState *
17227 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17229 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17230 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17236 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17238 char message[MSG_SIZ];
17241 /* Note: this routine must be called when the clocks are stopped
17242 or when they have *just* been set or switched; otherwise
17243 it will be off by the time since the current tick started.
17245 if (machineWhite) {
17246 time = whiteTimeRemaining / 10;
17247 otime = blackTimeRemaining / 10;
17249 time = blackTimeRemaining / 10;
17250 otime = whiteTimeRemaining / 10;
17252 /* [HGM] translate opponent's time by time-odds factor */
17253 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17255 if (time <= 0) time = 1;
17256 if (otime <= 0) otime = 1;
17258 snprintf(message, MSG_SIZ, "time %ld\n", time);
17259 SendToProgram(message, cps);
17261 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17262 SendToProgram(message, cps);
17266 EngineDefinedVariant (ChessProgramState *cps, int n)
17267 { // return name of n-th unknown variant that engine supports
17268 static char buf[MSG_SIZ];
17269 char *p, *s = cps->variants;
17270 if(!s) return NULL;
17271 do { // parse string from variants feature
17273 p = strchr(s, ',');
17274 if(p) *p = NULLCHAR;
17275 v = StringToVariant(s);
17276 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17277 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17278 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17279 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17280 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17281 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17282 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17285 if(n < 0) return buf;
17291 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17294 int len = strlen(name);
17297 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17299 sscanf(*p, "%d", &val);
17301 while (**p && **p != ' ')
17303 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17304 SendToProgram(buf, cps);
17311 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17314 int len = strlen(name);
17315 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17317 sscanf(*p, "%d", loc);
17318 while (**p && **p != ' ') (*p)++;
17319 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17320 SendToProgram(buf, cps);
17327 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17330 int len = strlen(name);
17331 if (strncmp((*p), name, len) == 0
17332 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17334 len = strlen(*p) + 1; if(len < MSG_SIZ && !strcmp(name, "option")) len = MSG_SIZ; // make sure string options have enough space to change their value
17335 FREE(*loc); *loc = malloc(len);
17336 strncpy(*loc, *p, len);
17337 sscanf(*p, "%[^\"]", *loc); // should always fit, because we allocated at least strlen(*p)
17338 while (**p && **p != '\"') (*p)++;
17339 if (**p == '\"') (*p)++;
17340 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17341 SendToProgram(buf, cps);
17348 ParseOption (Option *opt, ChessProgramState *cps)
17349 // [HGM] options: process the string that defines an engine option, and determine
17350 // name, type, default value, and allowed value range
17352 char *p, *q, buf[MSG_SIZ];
17353 int n, min = (-1)<<31, max = 1<<31, def;
17355 opt->target = &opt->value; // OK for spin/slider and checkbox
17356 if(p = strstr(opt->name, " -spin ")) {
17357 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17358 if(max < min) max = min; // enforce consistency
17359 if(def < min) def = min;
17360 if(def > max) def = max;
17365 } else if((p = strstr(opt->name, " -slider "))) {
17366 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17367 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17368 if(max < min) max = min; // enforce consistency
17369 if(def < min) def = min;
17370 if(def > max) def = max;
17374 opt->type = Spin; // Slider;
17375 } else if((p = strstr(opt->name, " -string "))) {
17376 opt->textValue = p+9;
17377 opt->type = TextBox;
17378 opt->target = &opt->textValue;
17379 } else if((p = strstr(opt->name, " -file "))) {
17380 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17381 opt->target = opt->textValue = p+7;
17382 opt->type = FileName; // FileName;
17383 opt->target = &opt->textValue;
17384 } else if((p = strstr(opt->name, " -path "))) {
17385 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17386 opt->target = opt->textValue = p+7;
17387 opt->type = PathName; // PathName;
17388 opt->target = &opt->textValue;
17389 } else if(p = strstr(opt->name, " -check ")) {
17390 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17391 opt->value = (def != 0);
17392 opt->type = CheckBox;
17393 } else if(p = strstr(opt->name, " -combo ")) {
17394 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17395 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17396 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17397 opt->value = n = 0;
17398 while(q = StrStr(q, " /// ")) {
17399 n++; *q = 0; // count choices, and null-terminate each of them
17401 if(*q == '*') { // remember default, which is marked with * prefix
17405 cps->comboList[cps->comboCnt++] = q;
17407 cps->comboList[cps->comboCnt++] = NULL;
17409 opt->type = ComboBox;
17410 } else if(p = strstr(opt->name, " -button")) {
17411 opt->type = Button;
17412 } else if(p = strstr(opt->name, " -save")) {
17413 opt->type = SaveButton;
17414 } else return FALSE;
17415 *p = 0; // terminate option name
17416 *(int*) (opt->name + MSG_SIZ - 104) = opt->value; // hide default values somewhere
17417 if(opt->target == &opt->textValue) strncpy(opt->name + MSG_SIZ - 100, opt->textValue, 99);
17418 // now look if the command-line options define a setting for this engine option.
17419 if(cps->optionSettings && cps->optionSettings[0])
17420 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17421 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17422 snprintf(buf, MSG_SIZ, "option %s", p);
17423 if(p = strstr(buf, ",")) *p = 0;
17424 if(q = strchr(buf, '=')) switch(opt->type) {
17426 for(n=0; n<opt->max; n++)
17427 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17432 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17436 opt->value = atoi(q+1);
17441 SendToProgram(buf, cps);
17447 FeatureDone (ChessProgramState *cps, int val)
17449 DelayedEventCallback cb = GetDelayedEvent();
17450 if ((cb == InitBackEnd3 && cps == &first) ||
17451 (cb == SettingsMenuIfReady && cps == &second) ||
17452 (cb == LoadEngine) || (cb == StartSecond) ||
17453 (cb == TwoMachinesEventIfReady)) {
17454 CancelDelayedEvent();
17455 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17456 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17457 cps->initDone = val;
17458 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17461 /* Parse feature command from engine */
17463 ParseFeatures (char *args, ChessProgramState *cps)
17471 while (*p == ' ') p++;
17472 if (*p == NULLCHAR) return;
17474 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17475 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17476 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17477 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17478 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17479 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17480 if (BoolFeature(&p, "reuse", &val, cps)) {
17481 /* Engine can disable reuse, but can't enable it if user said no */
17482 if (!val) cps->reuse = FALSE;
17485 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17486 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17487 if (gameMode == TwoMachinesPlay) {
17488 DisplayTwoMachinesTitle();
17494 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17495 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17496 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17497 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17498 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17499 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17500 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17501 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17502 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17503 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17504 if (IntFeature(&p, "done", &val, cps)) {
17505 FeatureDone(cps, val);
17508 /* Added by Tord: */
17509 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17510 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17511 /* End of additions by Tord */
17513 /* [HGM] added features: */
17514 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17515 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17516 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17517 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17518 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17519 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17520 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17521 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17522 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17523 if(cps->nrOptions == 0) { ASSIGN(cps->option[0].name, _("Make Persistent -save")); ParseOption(&(cps->option[cps->nrOptions++]), cps); }
17524 FREE(cps->option[cps->nrOptions].name);
17525 cps->option[cps->nrOptions].name = q; q = NULL;
17526 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17527 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17528 SendToProgram(buf, cps);
17531 if(cps->nrOptions >= MAX_OPTIONS) {
17533 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17534 DisplayError(buf, 0);
17538 /* End of additions by HGM */
17540 /* unknown feature: complain and skip */
17542 while (*q && *q != '=') q++;
17543 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17544 SendToProgram(buf, cps);
17550 while (*p && *p != '\"') p++;
17551 if (*p == '\"') p++;
17553 while (*p && *p != ' ') p++;
17561 PeriodicUpdatesEvent (int newState)
17563 if (newState == appData.periodicUpdates)
17566 appData.periodicUpdates=newState;
17568 /* Display type changes, so update it now */
17569 // DisplayAnalysis();
17571 /* Get the ball rolling again... */
17573 AnalysisPeriodicEvent(1);
17574 StartAnalysisClock();
17579 PonderNextMoveEvent (int newState)
17581 if (newState == appData.ponderNextMove) return;
17582 if (gameMode == EditPosition) EditPositionDone(TRUE);
17584 SendToProgram("hard\n", &first);
17585 if (gameMode == TwoMachinesPlay) {
17586 SendToProgram("hard\n", &second);
17589 SendToProgram("easy\n", &first);
17590 thinkOutput[0] = NULLCHAR;
17591 if (gameMode == TwoMachinesPlay) {
17592 SendToProgram("easy\n", &second);
17595 appData.ponderNextMove = newState;
17599 NewSettingEvent (int option, int *feature, char *command, int value)
17603 if (gameMode == EditPosition) EditPositionDone(TRUE);
17604 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17605 if(feature == NULL || *feature) SendToProgram(buf, &first);
17606 if (gameMode == TwoMachinesPlay) {
17607 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17612 ShowThinkingEvent ()
17613 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17615 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17616 int newState = appData.showThinking
17617 // [HGM] thinking: other features now need thinking output as well
17618 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17620 if (oldState == newState) return;
17621 oldState = newState;
17622 if (gameMode == EditPosition) EditPositionDone(TRUE);
17624 SendToProgram("post\n", &first);
17625 if (gameMode == TwoMachinesPlay) {
17626 SendToProgram("post\n", &second);
17629 SendToProgram("nopost\n", &first);
17630 thinkOutput[0] = NULLCHAR;
17631 if (gameMode == TwoMachinesPlay) {
17632 SendToProgram("nopost\n", &second);
17635 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17639 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17641 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17642 if (pr == NoProc) return;
17643 AskQuestion(title, question, replyPrefix, pr);
17647 TypeInEvent (char firstChar)
17649 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17650 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17651 gameMode == AnalyzeMode || gameMode == EditGame ||
17652 gameMode == EditPosition || gameMode == IcsExamining ||
17653 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17654 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17655 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17656 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17657 gameMode == Training) PopUpMoveDialog(firstChar);
17661 TypeInDoneEvent (char *move)
17664 int n, fromX, fromY, toX, toY;
17666 ChessMove moveType;
17669 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17670 EditPositionPasteFEN(move);
17673 // [HGM] movenum: allow move number to be typed in any mode
17674 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17678 // undocumented kludge: allow command-line option to be typed in!
17679 // (potentially fatal, and does not implement the effect of the option.)
17680 // should only be used for options that are values on which future decisions will be made,
17681 // and definitely not on options that would be used during initialization.
17682 if(strstr(move, "!!! -") == move) {
17683 ParseArgsFromString(move+4);
17687 if (gameMode != EditGame && currentMove != forwardMostMove &&
17688 gameMode != Training) {
17689 DisplayMoveError(_("Displayed move is not current"));
17691 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17692 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17693 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17694 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17695 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17696 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17698 DisplayMoveError(_("Could not parse move"));
17704 DisplayMove (int moveNumber)
17706 char message[MSG_SIZ];
17708 char cpThinkOutput[MSG_SIZ];
17710 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17712 if (moveNumber == forwardMostMove - 1 ||
17713 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17715 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17717 if (strchr(cpThinkOutput, '\n')) {
17718 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17721 *cpThinkOutput = NULLCHAR;
17724 /* [AS] Hide thinking from human user */
17725 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17726 *cpThinkOutput = NULLCHAR;
17727 if( thinkOutput[0] != NULLCHAR ) {
17730 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17731 cpThinkOutput[i] = '.';
17733 cpThinkOutput[i] = NULLCHAR;
17734 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17738 if (moveNumber == forwardMostMove - 1 &&
17739 gameInfo.resultDetails != NULL) {
17740 if (gameInfo.resultDetails[0] == NULLCHAR) {
17741 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17743 snprintf(res, MSG_SIZ, " {%s} %s",
17744 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17750 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17751 DisplayMessage(res, cpThinkOutput);
17753 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17754 WhiteOnMove(moveNumber) ? " " : ".. ",
17755 parseList[moveNumber], res);
17756 DisplayMessage(message, cpThinkOutput);
17761 DisplayComment (int moveNumber, char *text)
17763 char title[MSG_SIZ];
17765 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17766 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17768 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17769 WhiteOnMove(moveNumber) ? " " : ".. ",
17770 parseList[moveNumber]);
17772 if (text != NULL && (appData.autoDisplayComment || commentUp))
17773 CommentPopUp(title, text);
17776 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17777 * might be busy thinking or pondering. It can be omitted if your
17778 * gnuchess is configured to stop thinking immediately on any user
17779 * input. However, that gnuchess feature depends on the FIONREAD
17780 * ioctl, which does not work properly on some flavors of Unix.
17783 Attention (ChessProgramState *cps)
17786 if (!cps->useSigint) return;
17787 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17788 switch (gameMode) {
17789 case MachinePlaysWhite:
17790 case MachinePlaysBlack:
17791 case TwoMachinesPlay:
17792 case IcsPlayingWhite:
17793 case IcsPlayingBlack:
17796 /* Skip if we know it isn't thinking */
17797 if (!cps->maybeThinking) return;
17798 if (appData.debugMode)
17799 fprintf(debugFP, "Interrupting %s\n", cps->which);
17800 InterruptChildProcess(cps->pr);
17801 cps->maybeThinking = FALSE;
17806 #endif /*ATTENTION*/
17812 if (whiteTimeRemaining <= 0) {
17815 if (appData.icsActive) {
17816 if (appData.autoCallFlag &&
17817 gameMode == IcsPlayingBlack && !blackFlag) {
17818 SendToICS(ics_prefix);
17819 SendToICS("flag\n");
17823 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17825 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17826 if (appData.autoCallFlag) {
17827 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17834 if (blackTimeRemaining <= 0) {
17837 if (appData.icsActive) {
17838 if (appData.autoCallFlag &&
17839 gameMode == IcsPlayingWhite && !whiteFlag) {
17840 SendToICS(ics_prefix);
17841 SendToICS("flag\n");
17845 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17847 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17848 if (appData.autoCallFlag) {
17849 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17860 CheckTimeControl ()
17862 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17863 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17866 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17868 if ( !WhiteOnMove(forwardMostMove) ) {
17869 /* White made time control */
17870 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17871 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17872 /* [HGM] time odds: correct new time quota for time odds! */
17873 / WhitePlayer()->timeOdds;
17874 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17876 lastBlack -= blackTimeRemaining;
17877 /* Black made time control */
17878 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17879 / WhitePlayer()->other->timeOdds;
17880 lastWhite = whiteTimeRemaining;
17885 DisplayBothClocks ()
17887 int wom = gameMode == EditPosition ?
17888 !blackPlaysFirst : WhiteOnMove(currentMove);
17889 DisplayWhiteClock(whiteTimeRemaining, wom);
17890 DisplayBlackClock(blackTimeRemaining, !wom);
17894 /* Timekeeping seems to be a portability nightmare. I think everyone
17895 has ftime(), but I'm really not sure, so I'm including some ifdefs
17896 to use other calls if you don't. Clocks will be less accurate if
17897 you have neither ftime nor gettimeofday.
17900 /* VS 2008 requires the #include outside of the function */
17901 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17902 #include <sys/timeb.h>
17905 /* Get the current time as a TimeMark */
17907 GetTimeMark (TimeMark *tm)
17909 #if HAVE_GETTIMEOFDAY
17911 struct timeval timeVal;
17912 struct timezone timeZone;
17914 gettimeofday(&timeVal, &timeZone);
17915 tm->sec = (long) timeVal.tv_sec;
17916 tm->ms = (int) (timeVal.tv_usec / 1000L);
17918 #else /*!HAVE_GETTIMEOFDAY*/
17921 // include <sys/timeb.h> / moved to just above start of function
17922 struct timeb timeB;
17925 tm->sec = (long) timeB.time;
17926 tm->ms = (int) timeB.millitm;
17928 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17929 tm->sec = (long) time(NULL);
17935 /* Return the difference in milliseconds between two
17936 time marks. We assume the difference will fit in a long!
17939 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17941 return 1000L*(tm2->sec - tm1->sec) +
17942 (long) (tm2->ms - tm1->ms);
17947 * Code to manage the game clocks.
17949 * In tournament play, black starts the clock and then white makes a move.
17950 * We give the human user a slight advantage if he is playing white---the
17951 * clocks don't run until he makes his first move, so it takes zero time.
17952 * Also, we don't account for network lag, so we could get out of sync
17953 * with GNU Chess's clock -- but then, referees are always right.
17956 static TimeMark tickStartTM;
17957 static long intendedTickLength;
17960 NextTickLength (long timeRemaining)
17962 long nominalTickLength, nextTickLength;
17964 if (timeRemaining > 0L && timeRemaining <= 10000L)
17965 nominalTickLength = 100L;
17967 nominalTickLength = 1000L;
17968 nextTickLength = timeRemaining % nominalTickLength;
17969 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17971 return nextTickLength;
17974 /* Adjust clock one minute up or down */
17976 AdjustClock (Boolean which, int dir)
17978 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17979 if(which) blackTimeRemaining += 60000*dir;
17980 else whiteTimeRemaining += 60000*dir;
17981 DisplayBothClocks();
17982 adjustedClock = TRUE;
17985 /* Stop clocks and reset to a fresh time control */
17989 (void) StopClockTimer();
17990 if (appData.icsActive) {
17991 whiteTimeRemaining = blackTimeRemaining = 0;
17992 } else if (searchTime) {
17993 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17994 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17995 } else { /* [HGM] correct new time quote for time odds */
17996 whiteTC = blackTC = fullTimeControlString;
17997 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17998 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
18000 if (whiteFlag || blackFlag) {
18002 whiteFlag = blackFlag = FALSE;
18004 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
18005 DisplayBothClocks();
18006 adjustedClock = FALSE;
18009 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
18011 static int timeSuffix; // [HGM] This should realy be a passed parameter, but it has to pass through too many levels for my laziness...
18013 /* Decrement running clock by amount of time that has passed */
18018 long lastTickLength, fudge;
18021 if (!appData.clockMode) return;
18022 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
18026 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18028 /* Fudge if we woke up a little too soon */
18029 fudge = intendedTickLength - lastTickLength;
18030 if (fudge < 0 || fudge > FUDGE) fudge = 0;
18032 if (WhiteOnMove(forwardMostMove)) {
18033 if(whiteNPS >= 0) lastTickLength = 0;
18034 tRemaining = whiteTimeRemaining -= lastTickLength;
18035 if( tRemaining < 0 && !appData.icsActive) {
18036 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
18037 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
18038 whiteStartMove = forwardMostMove; whiteTC = nextSession;
18039 lastWhite= tRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
18042 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[0][forwardMostMove-1] - tRemaining;
18043 DisplayWhiteClock(whiteTimeRemaining - fudge,
18044 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
18047 if(blackNPS >= 0) lastTickLength = 0;
18048 tRemaining = blackTimeRemaining -= lastTickLength;
18049 if( tRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
18050 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
18052 blackStartMove = forwardMostMove;
18053 lastBlack = tRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
18056 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[1][forwardMostMove-1] - tRemaining;
18057 DisplayBlackClock(blackTimeRemaining - fudge,
18058 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
18061 if (CheckFlags()) return;
18063 if(twoBoards) { // count down secondary board's clocks as well
18064 activePartnerTime -= lastTickLength;
18066 if(activePartner == 'W')
18067 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
18069 DisplayBlackClock(activePartnerTime, TRUE);
18074 intendedTickLength = NextTickLength( tRemaining - fudge) + fudge;
18075 StartClockTimer(intendedTickLength);
18077 /* if the time remaining has fallen below the alarm threshold, sound the
18078 * alarm. if the alarm has sounded and (due to a takeback or time control
18079 * with increment) the time remaining has increased to a level above the
18080 * threshold, reset the alarm so it can sound again.
18083 if (appData.icsActive && appData.icsAlarm) {
18085 /* make sure we are dealing with the user's clock */
18086 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
18087 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
18090 if (alarmSounded && ( tRemaining > appData.icsAlarmTime)) {
18091 alarmSounded = FALSE;
18092 } else if (!alarmSounded && ( tRemaining <= appData.icsAlarmTime)) {
18094 alarmSounded = TRUE;
18100 /* A player has just moved, so stop the previously running
18101 clock and (if in clock mode) start the other one.
18102 We redisplay both clocks in case we're in ICS mode, because
18103 ICS gives us an update to both clocks after every move.
18104 Note that this routine is called *after* forwardMostMove
18105 is updated, so the last fractional tick must be subtracted
18106 from the color that is *not* on move now.
18109 SwitchClocks (int newMoveNr)
18111 long lastTickLength;
18113 int flagged = FALSE;
18117 if (StopClockTimer() && appData.clockMode) {
18118 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18119 if (!WhiteOnMove(forwardMostMove)) {
18120 if(blackNPS >= 0) lastTickLength = 0;
18121 blackTimeRemaining -= lastTickLength;
18122 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
18123 // if(pvInfoList[forwardMostMove].time == -1)
18124 pvInfoList[forwardMostMove].time = // use GUI time
18125 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
18127 if(whiteNPS >= 0) lastTickLength = 0;
18128 whiteTimeRemaining -= lastTickLength;
18129 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
18130 // if(pvInfoList[forwardMostMove].time == -1)
18131 pvInfoList[forwardMostMove].time =
18132 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
18134 flagged = CheckFlags();
18136 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
18137 CheckTimeControl();
18139 if (flagged || !appData.clockMode) return;
18141 switch (gameMode) {
18142 case MachinePlaysBlack:
18143 case MachinePlaysWhite:
18144 case BeginningOfGame:
18145 if (pausing) return;
18149 case PlayFromGameFile:
18157 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
18158 if(WhiteOnMove(forwardMostMove))
18159 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
18160 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
18164 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18165 whiteTimeRemaining : blackTimeRemaining);
18166 StartClockTimer(intendedTickLength);
18170 /* Stop both clocks */
18174 long lastTickLength;
18177 if (!StopClockTimer()) return;
18178 if (!appData.clockMode) return;
18182 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18183 if (WhiteOnMove(forwardMostMove)) {
18184 if(whiteNPS >= 0) lastTickLength = 0;
18185 whiteTimeRemaining -= lastTickLength;
18186 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
18188 if(blackNPS >= 0) lastTickLength = 0;
18189 blackTimeRemaining -= lastTickLength;
18190 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
18195 /* Start clock of player on move. Time may have been reset, so
18196 if clock is already running, stop and restart it. */
18200 (void) StopClockTimer(); /* in case it was running already */
18201 DisplayBothClocks();
18202 if (CheckFlags()) return;
18204 if (!appData.clockMode) return;
18205 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18207 GetTimeMark(&tickStartTM);
18208 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18209 whiteTimeRemaining : blackTimeRemaining);
18211 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18212 whiteNPS = blackNPS = -1;
18213 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18214 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18215 whiteNPS = first.nps;
18216 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18217 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18218 blackNPS = first.nps;
18219 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18220 whiteNPS = second.nps;
18221 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18222 blackNPS = second.nps;
18223 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18225 StartClockTimer(intendedTickLength);
18229 TimeString (long ms)
18231 long second, minute, hour, day;
18233 static char buf[40], moveTime[8];
18235 if (ms > 0 && ms <= 9900) {
18236 /* convert milliseconds to tenths, rounding up */
18237 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18239 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18243 /* convert milliseconds to seconds, rounding up */
18244 /* use floating point to avoid strangeness of integer division
18245 with negative dividends on many machines */
18246 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18253 day = second / (60 * 60 * 24);
18254 second = second % (60 * 60 * 24);
18255 hour = second / (60 * 60);
18256 second = second % (60 * 60);
18257 minute = second / 60;
18258 second = second % 60;
18260 if(timeSuffix) snprintf(moveTime, 8, " (%d)", timeSuffix/1000); // [HGM] kludge alert; fraction contains move time
18261 else *moveTime = NULLCHAR;
18264 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld%s ",
18265 sign, day, hour, minute, second, moveTime);
18267 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld%s ", sign, hour, minute, second, moveTime);
18269 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld%s ", sign, minute, second, moveTime);
18276 * This is necessary because some C libraries aren't ANSI C compliant yet.
18279 StrStr (char *string, char *match)
18283 length = strlen(match);
18285 for (i = strlen(string) - length; i >= 0; i--, string++)
18286 if (!strncmp(match, string, length))
18293 StrCaseStr (char *string, char *match)
18297 length = strlen(match);
18299 for (i = strlen(string) - length; i >= 0; i--, string++) {
18300 for (j = 0; j < length; j++) {
18301 if (ToLower(match[j]) != ToLower(string[j]))
18304 if (j == length) return string;
18312 StrCaseCmp (char *s1, char *s2)
18317 c1 = ToLower(*s1++);
18318 c2 = ToLower(*s2++);
18319 if (c1 > c2) return 1;
18320 if (c1 < c2) return -1;
18321 if (c1 == NULLCHAR) return 0;
18329 return isupper(c) ? tolower(c) : c;
18336 return islower(c) ? toupper(c) : c;
18338 #endif /* !_amigados */
18345 if ((ret = (char *) malloc(strlen(s) + 1)))
18347 safeStrCpy(ret, s, strlen(s)+1);
18353 StrSavePtr (char *s, char **savePtr)
18358 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18359 safeStrCpy(*savePtr, s, strlen(s)+1);
18371 clock = time((time_t *)NULL);
18372 tm = localtime(&clock);
18373 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18374 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18375 return StrSave(buf);
18380 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18382 int i, j, fromX, fromY, toX, toY;
18383 int whiteToPlay, haveRights = nrCastlingRights;
18389 whiteToPlay = (gameMode == EditPosition) ?
18390 !blackPlaysFirst : (move % 2 == 0);
18393 /* Piece placement data */
18394 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18395 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18397 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18398 if (boards[move][i][j] == EmptySquare) {
18400 } else { ChessSquare piece = boards[move][i][j];
18401 if (emptycount > 0) {
18402 if(emptycount<10) /* [HGM] can be >= 10 */
18403 *p++ = '0' + emptycount;
18404 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18407 if(PieceToChar(piece) == '+') {
18408 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18410 piece = (ChessSquare)(CHUDEMOTED(piece));
18412 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18413 if(*p = PieceSuffix(piece)) p++;
18415 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18416 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18421 if (emptycount > 0) {
18422 if(emptycount<10) /* [HGM] can be >= 10 */
18423 *p++ = '0' + emptycount;
18424 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18431 /* [HGM] print Crazyhouse or Shogi holdings */
18432 if( gameInfo.holdingsWidth ) {
18433 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18435 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18436 piece = boards[move][i][BOARD_WIDTH-1];
18437 if( piece != EmptySquare )
18438 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18439 *p++ = PieceToChar(piece);
18441 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18442 piece = boards[move][handSize-i-1][0];
18443 if( piece != EmptySquare )
18444 for(j=0; j<(int) boards[move][handSize-i-1][1]; j++)
18445 *p++ = PieceToChar(piece);
18448 if( q == p ) *p++ = '-';
18454 *p++ = whiteToPlay ? 'w' : 'b';
18457 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18458 haveRights = 0; q = p;
18459 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18460 piece = boards[move][0][i];
18461 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18462 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18465 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18466 piece = boards[move][BOARD_HEIGHT-1][i];
18467 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18468 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18471 if(p == q) *p++ = '-';
18475 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18478 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18481 int handW=0, handB=0;
18482 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18483 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18484 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18487 if(appData.fischerCastling) {
18488 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18489 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18490 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18492 /* [HGM] write directly from rights */
18493 if(boards[move][CASTLING][2] != NoRights &&
18494 boards[move][CASTLING][0] != NoRights )
18495 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18496 if(boards[move][CASTLING][2] != NoRights &&
18497 boards[move][CASTLING][1] != NoRights )
18498 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18501 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18502 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18504 if(boards[move][CASTLING][5] != NoRights &&
18505 boards[move][CASTLING][3] != NoRights )
18506 *p++ = boards[move][CASTLING][3] + AAA;
18507 if(boards[move][CASTLING][5] != NoRights &&
18508 boards[move][CASTLING][4] != NoRights )
18509 *p++ = boards[move][CASTLING][4] + AAA;
18513 /* [HGM] write true castling rights */
18514 if( nrCastlingRights == 6 ) {
18516 if(boards[move][CASTLING][0] != NoRights &&
18517 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18518 q = (boards[move][CASTLING][1] != NoRights &&
18519 boards[move][CASTLING][2] != NoRights );
18520 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18521 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18522 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18523 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18527 if(boards[move][CASTLING][3] != NoRights &&
18528 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18529 q = (boards[move][CASTLING][4] != NoRights &&
18530 boards[move][CASTLING][5] != NoRights );
18532 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18533 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18534 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18539 if (q == p) *p++ = '-'; /* No castling rights */
18543 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18544 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18545 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18546 /* En passant target square */
18547 if (move > backwardMostMove) {
18548 fromX = moveList[move - 1][0] - AAA;
18549 fromY = moveList[move - 1][1] - ONE;
18550 toX = moveList[move - 1][2] - AAA;
18551 toY = moveList[move - 1][3] - ONE;
18552 if ((whiteToPlay ? toY < fromY - 1 : toY > fromY + 1) &&
18553 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) ) {
18554 /* 2-square pawn move just happened */
18555 *p++ = (3*toX + 5*fromX + 4)/8 + AAA;
18556 *p++ = (3*toY + 5*fromY + 4)/8 + ONE;
18557 if(gameInfo.variant == VariantBerolina) {
18564 } else if(move == backwardMostMove) {
18565 // [HGM] perhaps we should always do it like this, and forget the above?
18566 if((signed char)boards[move][EP_STATUS] >= 0) {
18567 *p++ = boards[move][EP_STATUS] + AAA;
18568 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18579 i = boards[move][CHECK_COUNT];
18581 sprintf(p, "%d+%d ", i&255, i>>8);
18586 { int i = 0, j=move;
18588 /* [HGM] find reversible plies */
18589 if (appData.debugMode) { int k;
18590 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18591 for(k=backwardMostMove; k<=forwardMostMove; k++)
18592 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18596 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18597 if( j == backwardMostMove ) i += initialRulePlies;
18598 sprintf(p, "%d ", i);
18599 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18601 /* Fullmove number */
18602 sprintf(p, "%d", (move / 2) + 1);
18603 } else *--p = NULLCHAR;
18605 return StrSave(buf);
18609 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18611 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18613 int emptycount, virgin[BOARD_FILES];
18614 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18618 for(i=1; i<=deadRanks; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) board[BOARD_HEIGHT-i][j] = DarkSquare;
18620 /* Piece placement data */
18621 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18624 if (*p == '/' || *p == ' ' || *p == '[' ) {
18626 emptycount = gameInfo.boardWidth - j;
18627 while (emptycount--)
18628 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18629 if (*p == '/') p++;
18630 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18631 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18632 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18634 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18637 #if(BOARD_FILES >= 10)*0
18638 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18639 p++; emptycount=10;
18640 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18641 while (emptycount--)
18642 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18644 } else if (*p == '*') {
18645 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18646 } else if (isdigit(*p)) {
18647 emptycount = *p++ - '0';
18648 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18649 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18650 while (emptycount--)
18651 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18652 } else if (*p == '<') {
18653 if(i == BOARD_HEIGHT-1) shuffle = 1;
18654 else if (i != 0 || !shuffle) return FALSE;
18656 } else if (shuffle && *p == '>') {
18657 p++; // for now ignore closing shuffle range, and assume rank-end
18658 } else if (*p == '?') {
18659 if (j >= gameInfo.boardWidth) return FALSE;
18660 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18661 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18662 } else if (*p == '+' || isalpha(*p)) {
18663 char *q, *s = SUFFIXES;
18664 if (j >= gameInfo.boardWidth) return FALSE;
18667 if(q = strchr(s, p[1])) p++;
18668 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18669 if(piece == EmptySquare) return FALSE; /* unknown piece */
18670 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18671 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18674 if(q = strchr(s, *p)) p++;
18675 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18678 if(piece==EmptySquare) return FALSE; /* unknown piece */
18679 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18680 piece = (ChessSquare) (PROMOTED(piece));
18681 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18684 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18685 if(piece == king) wKingRank = i;
18686 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18692 while (*p == '/' || *p == ' ') p++;
18694 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18696 /* [HGM] by default clear Crazyhouse holdings, if present */
18697 if(gameInfo.holdingsWidth) {
18698 for(i=0; i<handSize; i++) {
18699 board[i][0] = EmptySquare; /* black holdings */
18700 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18701 board[i][1] = (ChessSquare) 0; /* black counts */
18702 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18706 /* [HGM] look for Crazyhouse holdings here */
18707 while(*p==' ') p++;
18708 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18709 int swap=0, wcnt=0, bcnt=0;
18711 if(*p == '<') swap++, p++;
18712 if(*p == '-' ) p++; /* empty holdings */ else {
18713 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18714 /* if we would allow FEN reading to set board size, we would */
18715 /* have to add holdings and shift the board read so far here */
18716 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18718 if((int) piece >= (int) BlackPawn ) {
18719 i = (int)piece - (int)BlackPawn;
18720 i = PieceToNumber((ChessSquare)i);
18721 if( i >= gameInfo.holdingsSize ) return FALSE;
18722 board[handSize-1-i][0] = piece; /* black holdings */
18723 board[handSize-1-i][1]++; /* black counts */
18726 i = (int)piece - (int)WhitePawn;
18727 i = PieceToNumber((ChessSquare)i);
18728 if( i >= gameInfo.holdingsSize ) return FALSE;
18729 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18730 board[i][BOARD_WIDTH-2]++; /* black holdings */
18734 if(subst) { // substitute back-rank question marks by holdings pieces
18735 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18736 int k, m, n = bcnt + 1;
18737 if(board[0][j] == ClearBoard) {
18738 if(!wcnt) return FALSE;
18740 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18741 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18742 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18746 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18747 if(!bcnt) return FALSE;
18748 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18749 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[handSize-1-k][1]) < 0) {
18750 board[BOARD_HEIGHT-1][j] = board[handSize-1-k][0]; bcnt--;
18751 if(--board[handSize-1-k][1] == 0) board[handSize-1-k][0] = EmptySquare;
18762 if(subst) return FALSE; // substitution requested, but no holdings
18764 while(*p == ' ') p++;
18768 if(appData.colorNickNames) {
18769 if( c == appData.colorNickNames[0] ) c = 'w'; else
18770 if( c == appData.colorNickNames[1] ) c = 'b';
18774 *blackPlaysFirst = FALSE;
18777 *blackPlaysFirst = TRUE;
18783 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18784 /* return the extra info in global variiables */
18786 while(*p==' ') p++;
18788 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18789 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18790 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18793 /* set defaults in case FEN is incomplete */
18794 board[EP_STATUS] = EP_UNKNOWN;
18795 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18796 for(i=0; i<nrCastlingRights; i++ ) {
18797 board[CASTLING][i] =
18798 appData.fischerCastling ? NoRights : initialRights[i];
18799 } /* assume possible unless obviously impossible */
18800 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18801 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18802 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18803 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18804 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18805 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18806 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18807 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18810 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18813 while(isalpha(*p)) {
18814 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18815 if(islower(*p)) b |= 1 << (*p++ - 'a');
18819 board[TOUCHED_W] = ~w;
18820 board[TOUCHED_B] = ~b;
18821 while(*p == ' ') p++;
18825 if(nrCastlingRights) {
18827 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18828 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18829 /* castling indicator present, so default becomes no castlings */
18830 for(i=0; i<nrCastlingRights; i++ ) {
18831 board[CASTLING][i] = NoRights;
18834 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18835 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18836 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18837 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18838 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18840 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18841 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18842 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18844 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18845 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18846 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18847 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18848 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18849 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18852 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18853 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18854 board[CASTLING][2] = whiteKingFile;
18855 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18856 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18857 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18860 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18861 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18862 board[CASTLING][2] = whiteKingFile;
18863 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18864 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18865 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18868 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18869 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18870 board[CASTLING][5] = blackKingFile;
18871 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18872 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18873 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18876 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18877 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18878 board[CASTLING][5] = blackKingFile;
18879 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18880 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18881 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18884 default: /* FRC castlings */
18885 if(c >= 'a') { /* black rights */
18886 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18887 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18888 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18889 if(i == BOARD_RGHT) break;
18890 board[CASTLING][5] = i;
18892 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18893 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18895 board[CASTLING][3] = c;
18897 board[CASTLING][4] = c;
18898 } else { /* white rights */
18899 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18900 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18901 if(board[0][i] == WhiteKing) break;
18902 if(i == BOARD_RGHT) break;
18903 board[CASTLING][2] = i;
18904 c -= AAA - 'a' + 'A';
18905 if(board[0][c] >= WhiteKing) break;
18907 board[CASTLING][0] = c;
18909 board[CASTLING][1] = c;
18913 for(i=0; i<nrCastlingRights; i++)
18914 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18915 if(gameInfo.variant == VariantSChess)
18916 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18917 if(fischer && shuffle) appData.fischerCastling = TRUE;
18918 if (appData.debugMode) {
18919 fprintf(debugFP, "FEN castling rights:");
18920 for(i=0; i<nrCastlingRights; i++)
18921 fprintf(debugFP, " %d", board[CASTLING][i]);
18922 fprintf(debugFP, "\n");
18925 while(*p==' ') p++;
18928 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18930 /* read e.p. field in games that know e.p. capture */
18931 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18932 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18933 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18935 p++; board[EP_STATUS] = EP_NONE;
18937 int d, r, c = *p - AAA;
18939 if(c >= BOARD_LEFT && c < BOARD_RGHT) {
18941 board[EP_STATUS] = board[EP_FILE] = c; r = 0;
18942 if(*p >= '0' && *p <='9') r = board[EP_RANK] = *p++ - ONE;
18943 d = (r < BOARD_HEIGHT << 1 ? 1 : -1); // assume double-push (P next to e.p. square nearer center)
18944 if(board[r+d][c] == EmptySquare) d *= 2; // but if no Pawn there, triple push
18945 board[LAST_TO] = 256*(r + d) + c;
18947 if(c >= BOARD_LEFT && c < BOARD_RGHT) { // mover explicitly mentioned
18948 if(*p >= '0' && *p <='9') r = board[EP_RANK] = *p++ - ONE;
18949 board[LAST_TO] = 256*r + c;
18950 if(!(board[EP_RANK]-r & 1)) board[EP_RANK] |= 128;
18956 while(*p == ' ') p++;
18958 board[CHECK_COUNT] = 0; // [HGM] 3check: check-count field
18959 if(sscanf(p, "%d+%d", &i, &j) == 2) {
18960 board[CHECK_COUNT] = i + 256*j;
18961 while(*p && *p != ' ') p++;
18964 c = sscanf(p, "%d%*d +%d+%d", &i, &j, &k);
18966 FENrulePlies = i; /* 50-move ply counter */
18967 /* (The move number is still ignored) */
18968 if(c == 3 && !board[CHECK_COUNT]) board[CHECK_COUNT] = (3 - j) + 256*(3 - k); // SCIDB-style check count
18975 EditPositionPasteFEN (char *fen)
18978 Board initial_position;
18980 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18981 DisplayError(_("Bad FEN position in clipboard"), 0);
18984 int savedBlackPlaysFirst = blackPlaysFirst;
18985 EditPositionEvent();
18986 blackPlaysFirst = savedBlackPlaysFirst;
18987 CopyBoard(boards[0], initial_position);
18988 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18989 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18990 DisplayBothClocks();
18991 DrawPosition(FALSE, boards[currentMove]);
18996 static char cseq[12] = "\\ ";
18999 set_cont_sequence (char *new_seq)
19004 // handle bad attempts to set the sequence
19006 return 0; // acceptable error - no debug
19008 len = strlen(new_seq);
19009 ret = (len > 0) && (len < sizeof(cseq));
19011 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
19012 else if (appData.debugMode)
19013 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
19018 reformat a source message so words don't cross the width boundary. internal
19019 newlines are not removed. returns the wrapped size (no null character unless
19020 included in source message). If dest is NULL, only calculate the size required
19021 for the dest buffer. lp argument indicats line position upon entry, and it's
19022 passed back upon exit.
19025 wrap (char *dest, char *src, int count, int width, int *lp)
19027 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
19029 cseq_len = strlen(cseq);
19030 old_line = line = *lp;
19031 ansi = len = clen = 0;
19033 for (i=0; i < count; i++)
19035 if (src[i] == '\033')
19038 // if we hit the width, back up
19039 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
19041 // store i & len in case the word is too long
19042 old_i = i, old_len = len;
19044 // find the end of the last word
19045 while (i && src[i] != ' ' && src[i] != '\n')
19051 // word too long? restore i & len before splitting it
19052 if ((old_i-i+clen) >= width)
19059 if (i && src[i-1] == ' ')
19062 if (src[i] != ' ' && src[i] != '\n')
19069 // now append the newline and continuation sequence
19074 strncpy(dest+len, cseq, cseq_len);
19082 dest[len] = src[i];
19086 if (src[i] == '\n')
19091 if (dest && appData.debugMode)
19093 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
19094 count, width, line, len, *lp);
19095 show_bytes(debugFP, src, count);
19096 fprintf(debugFP, "\ndest: ");
19097 show_bytes(debugFP, dest, len);
19098 fprintf(debugFP, "\n");
19100 *lp = dest ? line : old_line;
19105 // [HGM] vari: routines for shelving variations
19106 Boolean modeRestore = FALSE;
19109 PushInner (int firstMove, int lastMove)
19111 int i, j, nrMoves = lastMove - firstMove;
19113 // push current tail of game on stack
19114 savedResult[storedGames] = gameInfo.result;
19115 savedDetails[storedGames] = gameInfo.resultDetails;
19116 gameInfo.resultDetails = NULL;
19117 savedFirst[storedGames] = firstMove;
19118 savedLast [storedGames] = lastMove;
19119 savedFramePtr[storedGames] = framePtr;
19120 framePtr -= nrMoves; // reserve space for the boards
19121 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
19122 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
19123 for(j=0; j<MOVE_LEN; j++)
19124 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
19125 for(j=0; j<2*MOVE_LEN; j++)
19126 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
19127 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
19128 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
19129 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
19130 pvInfoList[firstMove+i-1].depth = 0;
19131 commentList[framePtr+i] = commentList[firstMove+i];
19132 commentList[firstMove+i] = NULL;
19136 forwardMostMove = firstMove; // truncate game so we can start variation
19140 PushTail (int firstMove, int lastMove)
19142 if(appData.icsActive) { // only in local mode
19143 forwardMostMove = currentMove; // mimic old ICS behavior
19146 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
19148 PushInner(firstMove, lastMove);
19149 if(storedGames == 1) GreyRevert(FALSE);
19150 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
19154 PopInner (Boolean annotate)
19157 char buf[8000], moveBuf[20];
19159 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
19160 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
19161 nrMoves = savedLast[storedGames] - currentMove;
19164 if(!WhiteOnMove(currentMove))
19165 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
19166 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
19167 for(i=currentMove; i<forwardMostMove; i++) {
19169 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
19170 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
19171 strcat(buf, moveBuf);
19172 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
19173 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
19177 for(i=1; i<=nrMoves; i++) { // copy last variation back
19178 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
19179 for(j=0; j<MOVE_LEN; j++)
19180 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
19181 for(j=0; j<2*MOVE_LEN; j++)
19182 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
19183 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
19184 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
19185 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
19186 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
19187 commentList[currentMove+i] = commentList[framePtr+i];
19188 commentList[framePtr+i] = NULL;
19190 if(annotate) AppendComment(currentMove+1, buf, FALSE);
19191 framePtr = savedFramePtr[storedGames];
19192 gameInfo.result = savedResult[storedGames];
19193 if(gameInfo.resultDetails != NULL) {
19194 free(gameInfo.resultDetails);
19196 gameInfo.resultDetails = savedDetails[storedGames];
19197 forwardMostMove = currentMove + nrMoves;
19201 PopTail (Boolean annotate)
19203 if(appData.icsActive) return FALSE; // only in local mode
19204 if(!storedGames) return FALSE; // sanity
19205 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
19207 PopInner(annotate);
19208 if(currentMove < forwardMostMove) ForwardEvent(); else
19209 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
19211 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
19217 { // remove all shelved variations
19219 for(i=0; i<storedGames; i++) {
19220 if(savedDetails[i])
19221 free(savedDetails[i]);
19222 savedDetails[i] = NULL;
19224 for(i=framePtr; i<MAX_MOVES; i++) {
19225 if(commentList[i]) free(commentList[i]);
19226 commentList[i] = NULL;
19228 framePtr = MAX_MOVES-1;
19233 LoadVariation (int index, char *text)
19234 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
19235 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
19236 int level = 0, move;
19238 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19239 // first find outermost bracketing variation
19240 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19241 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19242 if(*p == '{') wait = '}'; else
19243 if(*p == '[') wait = ']'; else
19244 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19245 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19247 if(*p == wait) wait = NULLCHAR; // closing ]} found
19250 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19251 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19252 end[1] = NULLCHAR; // clip off comment beyond variation
19253 ToNrEvent(currentMove-1);
19254 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19255 // kludge: use ParsePV() to append variation to game
19256 move = currentMove;
19257 ParsePV(start, TRUE, TRUE);
19258 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19259 ClearPremoveHighlights();
19261 ToNrEvent(currentMove+1);
19264 int transparency[2];
19269 #define BUF_SIZ (2*MSG_SIZ)
19270 char *p, *q, buf[BUF_SIZ];
19271 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19272 snprintf(buf, BUF_SIZ, "-theme %s", engineLine);
19273 ParseArgsFromString(buf);
19274 ActivateTheme(TRUE); // also redo colors
19278 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19281 q = appData.themeNames;
19282 snprintf(buf, BUF_SIZ, "\"%s\"", nickName);
19283 if(appData.useBitmaps) {
19284 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt true -lbtf \"%s\"",
19285 Shorten(appData.liteBackTextureFile));
19286 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dbtf \"%s\" -lbtm %d -dbtm %d",
19287 Shorten(appData.darkBackTextureFile),
19288 appData.liteBackTextureMode,
19289 appData.darkBackTextureMode );
19291 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt false");
19293 if(!appData.useBitmaps || transparency[0]) {
19294 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -lsc %s", Col2Text(2) ); // lightSquareColor
19296 if(!appData.useBitmaps || transparency[1]) {
19297 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dsc %s", Col2Text(3) ); // darkSquareColor
19299 if(appData.useBorder) {
19300 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub true -border \"%s\"",
19303 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub false");
19305 if(appData.useFont) {
19306 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19307 appData.renderPiecesWithFont,
19308 appData.fontToPieceTable,
19309 Col2Text(9), // appData.fontBackColorWhite
19310 Col2Text(10) ); // appData.fontForeColorBlack
19312 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf false");
19313 if(appData.pieceDirectory[0]) {
19314 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -pid \"%s\"", Shorten(appData.pieceDirectory));
19315 if(appData.trueColors != 2) // 2 is a kludge to suppress this in WinBoard
19316 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -trueColors %s", appData.trueColors ? "true" : "false");
19318 if(!appData.pieceDirectory[0] || !appData.trueColors)
19319 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -wpc %s -bpc %s",
19320 Col2Text(0), // whitePieceColor
19321 Col2Text(1) ); // blackPieceColor
19323 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19324 Col2Text(4), // highlightSquareColor
19325 Col2Text(5) ); // premoveHighlightColor
19326 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19327 if(insert != q) insert[-1] = NULLCHAR;
19328 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19331 ActivateTheme(FALSE);