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;
8512 // Repetition draws and 50-move rule can be applied independently of legality testing
8514 /* Check for rep-draws */
8516 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8517 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8518 for(k = forwardMostMove-2;
8519 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8520 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8521 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8524 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8525 /* compare castling rights */
8526 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8527 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8528 rights++; /* King lost rights, while rook still had them */
8529 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8530 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8531 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8532 rights++; /* but at least one rook lost them */
8534 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8535 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8537 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8538 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8539 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8542 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8543 && appData.drawRepeats > 1) {
8544 /* adjudicate after user-specified nr of repeats */
8545 int result = GameIsDrawn;
8546 char *details = "XBoard adjudication: repetition draw";
8547 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8548 // [HGM] xiangqi: check for forbidden perpetuals
8549 int m, ourPerpetual = 1, hisPerpetual = 1;
8550 for(m=forwardMostMove; m>k; m-=2) {
8551 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8552 ourPerpetual = 0; // the current mover did not always check
8553 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8554 hisPerpetual = 0; // the opponent did not always check
8556 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8557 ourPerpetual, hisPerpetual);
8558 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8559 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8560 details = "Xboard adjudication: perpetual checking";
8562 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8563 break; // (or we would have caught him before). Abort repetition-checking loop.
8565 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8566 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8568 details = "Xboard adjudication: repetition";
8570 } else // it must be XQ
8571 // Now check for perpetual chases
8572 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8573 hisPerpetual = PerpetualChase(k, forwardMostMove);
8574 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8575 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8576 static char resdet[MSG_SIZ];
8577 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8579 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8581 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8582 break; // Abort repetition-checking loop.
8584 // if neither of us is checking or chasing all the time, or both are, it is draw
8586 if(engineOpponent) {
8587 SendToProgram("force\n", engineOpponent); // suppress reply
8588 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8590 GameEnds( result, details, GE_XBOARD );
8593 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8594 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8598 /* Now we test for 50-move draws. Determine ply count */
8599 count = forwardMostMove;
8600 /* look for last irreversble move */
8601 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8603 /* if we hit starting position, add initial plies */
8604 if( count == backwardMostMove )
8605 count -= initialRulePlies;
8606 count = forwardMostMove - count;
8607 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8608 // adjust reversible move counter for checks in Xiangqi
8609 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8610 if(i < backwardMostMove) i = backwardMostMove;
8611 while(i <= forwardMostMove) {
8612 lastCheck = inCheck; // check evasion does not count
8613 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8614 if(inCheck || lastCheck) count--; // check does not count
8619 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8620 /* this is used to judge if draw claims are legal */
8621 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8622 if(engineOpponent) {
8623 SendToProgram("force\n", engineOpponent); // suppress reply
8624 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8626 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8630 /* if draw offer is pending, treat it as a draw claim
8631 * when draw condition present, to allow engines a way to
8632 * claim draws before making their move to avoid a race
8633 * condition occurring after their move
8635 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8637 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8638 p = "Draw claim: 50-move rule";
8639 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8640 p = "Draw claim: 3-fold repetition";
8641 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8642 p = "Draw claim: insufficient mating material";
8643 if( p != NULL && canAdjudicate) {
8644 if(engineOpponent) {
8645 SendToProgram("force\n", engineOpponent); // suppress reply
8646 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8648 GameEnds( GameIsDrawn, p, GE_XBOARD );
8653 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8654 if(engineOpponent) {
8655 SendToProgram("force\n", engineOpponent); // suppress reply
8656 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8658 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8664 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8665 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8666 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8671 int pieces[10], squares[10], cnt=0, r, f, res;
8673 static PPROBE_EGBB probeBB;
8674 if(!appData.testLegality) return 10;
8675 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8676 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8677 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8678 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8679 ChessSquare piece = boards[forwardMostMove][r][f];
8680 int black = (piece >= BlackPawn);
8681 int type = piece - black*BlackPawn;
8682 if(piece == EmptySquare) continue;
8683 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8684 if(type == WhiteKing) type = WhiteQueen + 1;
8685 type = egbbCode[type];
8686 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8687 pieces[cnt] = type + black*6;
8688 if(++cnt > 5) return 11;
8690 pieces[cnt] = squares[cnt] = 0;
8692 if(loaded == 2) return 13; // loading failed before
8694 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8697 loaded = 2; // prepare for failure
8698 if(!path) return 13; // no egbb installed
8699 strncpy(buf, path + 8, MSG_SIZ);
8700 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8701 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8702 lib = LoadLibrary(buf);
8703 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8704 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8705 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8706 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8707 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8708 loaded = 1; // success!
8710 res = probeBB(forwardMostMove & 1, pieces, squares);
8711 return res > 0 ? 1 : res < 0 ? -1 : 0;
8715 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8716 { // [HGM] book: this routine intercepts moves to simulate book replies
8717 char *bookHit = NULL;
8719 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8721 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8722 SendToProgram(buf, cps);
8724 //first determine if the incoming move brings opponent into his book
8725 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8726 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8727 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8728 if(bookHit != NULL && !cps->bookSuspend) {
8729 // make sure opponent is not going to reply after receiving move to book position
8730 SendToProgram("force\n", cps);
8731 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8733 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8734 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8735 // now arrange restart after book miss
8737 // after a book hit we never send 'go', and the code after the call to this routine
8738 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8739 char buf[MSG_SIZ], *move = bookHit;
8741 int fromX, fromY, toX, toY;
8745 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8746 &fromX, &fromY, &toX, &toY, &promoChar)) {
8747 (void) CoordsToAlgebraic(boards[forwardMostMove],
8748 PosFlags(forwardMostMove),
8749 fromY, fromX, toY, toX, promoChar, move);
8751 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8755 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8756 SendToProgram(buf, cps);
8757 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8758 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8759 SendToProgram("go\n", cps);
8760 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8761 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8762 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8763 SendToProgram("go\n", cps);
8764 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8766 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8770 LoadError (char *errmess, ChessProgramState *cps)
8771 { // unloads engine and switches back to -ncp mode if it was first
8772 if(cps->initDone) return FALSE;
8773 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8774 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8777 appData.noChessProgram = TRUE;
8778 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8779 gameMode = BeginningOfGame; ModeHighlight();
8782 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8783 DisplayMessage("", ""); // erase waiting message
8784 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8789 ChessProgramState *savedState;
8791 DeferredBookMove (void)
8793 if(savedState->lastPing != savedState->lastPong)
8794 ScheduleDelayedEvent(DeferredBookMove, 10);
8796 HandleMachineMove(savedMessage, savedState);
8799 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8800 static ChessProgramState *stalledEngine;
8801 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8804 HandleMachineMove (char *message, ChessProgramState *cps)
8806 static char firstLeg[20], legs;
8807 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8808 char realname[MSG_SIZ];
8809 int fromX, fromY, toX, toY;
8811 char promoChar, roar;
8816 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8817 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8818 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8819 DisplayError(_("Invalid pairing from pairing engine"), 0);
8822 pairingReceived = 1;
8824 return; // Skim the pairing messages here.
8827 oldError = cps->userError; cps->userError = 0;
8829 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8831 * Kludge to ignore BEL characters
8833 while (*message == '\007') message++;
8836 * [HGM] engine debug message: ignore lines starting with '#' character
8838 if(cps->debug && *message == '#') return;
8841 * Look for book output
8843 if (cps == &first && bookRequested) {
8844 if (message[0] == '\t' || message[0] == ' ') {
8845 /* Part of the book output is here; append it */
8846 strcat(bookOutput, message);
8847 strcat(bookOutput, " \n");
8849 } else if (bookOutput[0] != NULLCHAR) {
8850 /* All of book output has arrived; display it */
8851 char *p = bookOutput;
8852 while (*p != NULLCHAR) {
8853 if (*p == '\t') *p = ' ';
8856 DisplayInformation(bookOutput);
8857 bookRequested = FALSE;
8858 /* Fall through to parse the current output */
8863 * Look for machine move.
8865 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8866 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8868 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8869 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8870 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8871 stalledEngine = cps;
8872 if(appData.ponderNextMove) { // bring opponent out of ponder
8873 if(gameMode == TwoMachinesPlay) {
8874 if(cps->other->pause)
8875 PauseEngine(cps->other);
8877 SendToProgram("easy\n", cps->other);
8886 /* This method is only useful on engines that support ping */
8887 if(abortEngineThink) {
8888 if (appData.debugMode) {
8889 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8891 SendToProgram("undo\n", cps);
8895 if (cps->lastPing != cps->lastPong) {
8896 /* Extra move from before last new; ignore */
8897 if (appData.debugMode) {
8898 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8905 int machineWhite = FALSE;
8908 case BeginningOfGame:
8909 /* Extra move from before last reset; ignore */
8910 if (appData.debugMode) {
8911 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8918 /* Extra move after we tried to stop. The mode test is
8919 not a reliable way of detecting this problem, but it's
8920 the best we can do on engines that don't support ping.
8922 if (appData.debugMode) {
8923 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8924 cps->which, gameMode);
8926 SendToProgram("undo\n", cps);
8929 case MachinePlaysWhite:
8930 case IcsPlayingWhite:
8931 machineWhite = TRUE;
8934 case MachinePlaysBlack:
8935 case IcsPlayingBlack:
8936 machineWhite = FALSE;
8939 case TwoMachinesPlay:
8940 machineWhite = (cps->twoMachinesColor[0] == 'w');
8943 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8944 if (appData.debugMode) {
8946 "Ignoring move out of turn by %s, gameMode %d"
8947 ", forwardMost %d\n",
8948 cps->which, gameMode, forwardMostMove);
8954 if(cps->alphaRank) AlphaRank(machineMove, 4);
8956 // [HGM] lion: (some very limited) support for Alien protocol
8957 killX = killY = kill2X = kill2Y = -1;
8958 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8959 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8960 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8963 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8964 char *q = strchr(p+1, ','); // second comma?
8965 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8966 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8967 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8969 if(firstLeg[0]) { // there was a previous leg;
8970 // only support case where same piece makes two step
8971 char buf[20], *p = machineMove+1, *q = buf+1, f;
8972 safeStrCpy(buf, machineMove, 20);
8973 while(isdigit(*q)) q++; // find start of to-square
8974 safeStrCpy(machineMove, firstLeg, 20);
8975 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8976 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
8977 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)
8978 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8979 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8980 firstLeg[0] = NULLCHAR; legs = 0;
8983 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8984 &fromX, &fromY, &toX, &toY, &promoChar)) {
8985 /* Machine move could not be parsed; ignore it. */
8986 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8987 machineMove, _(cps->which));
8988 DisplayMoveError(buf1);
8989 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8990 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8991 if (gameMode == TwoMachinesPlay) {
8992 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8998 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8999 /* So we have to redo legality test with true e.p. status here, */
9000 /* to make sure an illegal e.p. capture does not slip through, */
9001 /* to cause a forfeit on a justified illegal-move complaint */
9002 /* of the opponent. */
9003 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
9005 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
9006 fromY, fromX, toY, toX, promoChar);
9007 if(moveType == IllegalMove) {
9008 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
9009 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
9010 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9013 } else if(!appData.fischerCastling)
9014 /* [HGM] Kludge to handle engines that send FRC-style castling
9015 when they shouldn't (like TSCP-Gothic) */
9017 case WhiteASideCastleFR:
9018 case BlackASideCastleFR:
9020 currentMoveString[2]++;
9022 case WhiteHSideCastleFR:
9023 case BlackHSideCastleFR:
9025 currentMoveString[2]--;
9027 default: ; // nothing to do, but suppresses warning of pedantic compilers
9030 hintRequested = FALSE;
9031 lastHint[0] = NULLCHAR;
9032 bookRequested = FALSE;
9033 /* Program may be pondering now */
9034 cps->maybeThinking = TRUE;
9035 if (cps->sendTime == 2) cps->sendTime = 1;
9036 if (cps->offeredDraw) cps->offeredDraw--;
9038 /* [AS] Save move info*/
9039 pvInfoList[ forwardMostMove ].score = programStats.score;
9040 pvInfoList[ forwardMostMove ].depth = programStats.depth;
9041 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
9043 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
9045 /* Test suites abort the 'game' after one move */
9046 if(*appData.finger) {
9048 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
9049 if(!f) f = fopen(appData.finger, "w");
9050 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
9051 else { DisplayFatalError("Bad output file", errno, 0); return; }
9053 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9056 if(solvingTime >= 0) {
9057 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
9058 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
9060 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
9061 if(solvingTime == -2) second.matchWins++;
9063 OutputKibitz(2, buf1);
9064 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9067 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
9068 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
9071 while( count < adjudicateLossPlies ) {
9072 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
9075 score = -score; /* Flip score for winning side */
9078 if( score > appData.adjudicateLossThreshold ) {
9085 if( count >= adjudicateLossPlies ) {
9086 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9088 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
9089 "Xboard adjudication",
9096 if(Adjudicate(cps)) {
9097 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9098 return; // [HGM] adjudicate: for all automatic game ends
9102 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9104 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9105 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9107 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9109 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9111 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9112 char buf[3*MSG_SIZ];
9114 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9115 programStats.score / 100.,
9117 programStats.time / 100.,
9118 (unsigned int)programStats.nodes,
9119 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9120 programStats.movelist);
9126 /* [AS] Clear stats for next move */
9127 ClearProgramStats();
9128 thinkOutput[0] = NULLCHAR;
9129 hiddenThinkOutputState = 0;
9132 if (gameMode == TwoMachinesPlay) {
9133 /* [HGM] relaying draw offers moved to after reception of move */
9134 /* and interpreting offer as claim if it brings draw condition */
9135 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9136 SendToProgram("draw\n", cps->other);
9138 if (cps->other->sendTime) {
9139 SendTimeRemaining(cps->other,
9140 cps->other->twoMachinesColor[0] == 'w');
9142 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9143 if (firstMove && !bookHit) {
9145 if (cps->other->useColors) {
9146 SendToProgram(cps->other->twoMachinesColor, cps->other);
9148 SendToProgram("go\n", cps->other);
9150 cps->other->maybeThinking = TRUE;
9153 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9155 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9157 if (!pausing && appData.ringBellAfterMoves) {
9158 if(!roar) RingBell();
9162 * Reenable menu items that were disabled while
9163 * machine was thinking
9165 if (gameMode != TwoMachinesPlay)
9166 SetUserThinkingEnables();
9168 // [HGM] book: after book hit opponent has received move and is now in force mode
9169 // force the book reply into it, and then fake that it outputted this move by jumping
9170 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9172 static char bookMove[MSG_SIZ]; // a bit generous?
9174 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9175 strcat(bookMove, bookHit);
9178 programStats.nodes = programStats.depth = programStats.time =
9179 programStats.score = programStats.got_only_move = 0;
9180 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9182 if(cps->lastPing != cps->lastPong) {
9183 savedMessage = message; // args for deferred call
9185 ScheduleDelayedEvent(DeferredBookMove, 10);
9194 /* Set special modes for chess engines. Later something general
9195 * could be added here; for now there is just one kludge feature,
9196 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9197 * when "xboard" is given as an interactive command.
9199 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9200 cps->useSigint = FALSE;
9201 cps->useSigterm = FALSE;
9203 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9204 ParseFeatures(message+8, cps);
9205 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9208 if (!strncmp(message, "setup ", 6) &&
9209 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9210 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9211 ) { // [HGM] allow first engine to define opening position
9212 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9213 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9215 if(sscanf(message, "setup (%s", buf) == 1) {
9216 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9217 ASSIGN(appData.pieceToCharTable, buf);
9219 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9221 while(message[s] && message[s++] != ' ');
9222 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9223 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9224 // if(hand <= h) deadRanks = 0; else deadRanks = hand - h, h = hand; // adapt board to over-sized holdings
9225 if(hand > h) handSize = hand; else handSize = h;
9226 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9227 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9228 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9229 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9230 startedFromSetupPosition = FALSE;
9233 if(startedFromSetupPosition) return;
9234 ParseFEN(boards[0], &dummy, message+s, FALSE);
9235 DrawPosition(TRUE, boards[0]);
9236 CopyBoard(initialPosition, boards[0]);
9237 startedFromSetupPosition = TRUE;
9240 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9241 ChessSquare piece = WhitePawn;
9242 char *p=message+6, *q, *s = SUFFIXES, ID = *p, promoted = 0;
9243 if(*p == '+') promoted++, ID = *++p;
9244 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9245 piece = CharToPiece(ID & 255); if(promoted) piece = CHUPROMOTED(piece);
9246 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9247 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9248 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9249 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9250 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9251 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9252 && gameInfo.variant != VariantGreat
9253 && gameInfo.variant != VariantFairy ) return;
9254 if(piece < EmptySquare) {
9256 ASSIGN(pieceDesc[piece], buf1);
9257 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9261 if(!appData.testLegality && sscanf(message, "choice %s", promoRestrict) == 1) {
9263 LeftClick(Press, 0, 0); // finish the click that was interrupted
9264 } else if(promoSweep != EmptySquare) {
9265 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9266 if(strlen(promoRestrict) > 1) Sweep(0);
9270 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9271 * want this, I was asked to put it in, and obliged.
9273 if (!strncmp(message, "setboard ", 9)) {
9274 Board initial_position;
9276 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9278 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9279 DisplayError(_("Bad FEN received from engine"), 0);
9283 CopyBoard(boards[0], initial_position);
9284 initialRulePlies = FENrulePlies;
9285 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9286 else gameMode = MachinePlaysBlack;
9287 DrawPosition(FALSE, boards[currentMove]);
9293 * Look for communication commands
9295 if (!strncmp(message, "telluser ", 9)) {
9296 if(message[9] == '\\' && message[10] == '\\')
9297 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9299 DisplayNote(message + 9);
9302 if (!strncmp(message, "tellusererror ", 14)) {
9304 if(message[14] == '\\' && message[15] == '\\')
9305 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9307 DisplayError(message + 14, 0);
9310 if (!strncmp(message, "tellopponent ", 13)) {
9311 if (appData.icsActive) {
9313 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9317 DisplayNote(message + 13);
9321 if (!strncmp(message, "tellothers ", 11)) {
9322 if (appData.icsActive) {
9324 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9327 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9330 if (!strncmp(message, "tellall ", 8)) {
9331 if (appData.icsActive) {
9333 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9337 DisplayNote(message + 8);
9341 if (strncmp(message, "warning", 7) == 0) {
9342 /* Undocumented feature, use tellusererror in new code */
9343 DisplayError(message, 0);
9346 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9347 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9348 strcat(realname, " query");
9349 AskQuestion(realname, buf2, buf1, cps->pr);
9352 /* Commands from the engine directly to ICS. We don't allow these to be
9353 * sent until we are logged on. Crafty kibitzes have been known to
9354 * interfere with the login process.
9357 if (!strncmp(message, "tellics ", 8)) {
9358 SendToICS(message + 8);
9362 if (!strncmp(message, "tellicsnoalias ", 15)) {
9363 SendToICS(ics_prefix);
9364 SendToICS(message + 15);
9368 /* The following are for backward compatibility only */
9369 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9370 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9371 SendToICS(ics_prefix);
9377 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9378 if(initPing == cps->lastPong) {
9379 if(gameInfo.variant == VariantUnknown) {
9380 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9381 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9382 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9386 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9387 abortEngineThink = FALSE;
9388 DisplayMessage("", "");
9393 if(!strncmp(message, "highlight ", 10)) {
9394 if(appData.testLegality && !*engineVariant && appData.markers) return;
9395 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9398 if(!strncmp(message, "click ", 6)) {
9399 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9400 if(appData.testLegality || !appData.oneClick) return;
9401 sscanf(message+6, "%c%d%c", &f, &y, &c);
9402 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9403 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9404 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9405 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9406 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9407 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9408 LeftClick(Release, lastLeftX, lastLeftY);
9409 controlKey = (c == ',');
9410 LeftClick(Press, x, y);
9411 LeftClick(Release, x, y);
9412 first.highlight = f;
9416 * If the move is illegal, cancel it and redraw the board.
9417 * Also deal with other error cases. Matching is rather loose
9418 * here to accommodate engines written before the spec.
9420 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9421 strncmp(message, "Error", 5) == 0) {
9422 if (StrStr(message, "name") ||
9423 StrStr(message, "rating") || StrStr(message, "?") ||
9424 StrStr(message, "result") || StrStr(message, "board") ||
9425 StrStr(message, "bk") || StrStr(message, "computer") ||
9426 StrStr(message, "variant") || StrStr(message, "hint") ||
9427 StrStr(message, "random") || StrStr(message, "depth") ||
9428 StrStr(message, "accepted")) {
9431 if (StrStr(message, "protover")) {
9432 /* Program is responding to input, so it's apparently done
9433 initializing, and this error message indicates it is
9434 protocol version 1. So we don't need to wait any longer
9435 for it to initialize and send feature commands. */
9436 FeatureDone(cps, 1);
9437 cps->protocolVersion = 1;
9440 cps->maybeThinking = FALSE;
9442 if (StrStr(message, "draw")) {
9443 /* Program doesn't have "draw" command */
9444 cps->sendDrawOffers = 0;
9447 if (cps->sendTime != 1 &&
9448 (StrStr(message, "time") || StrStr(message, "otim"))) {
9449 /* Program apparently doesn't have "time" or "otim" command */
9453 if (StrStr(message, "analyze")) {
9454 cps->analysisSupport = FALSE;
9455 cps->analyzing = FALSE;
9456 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9457 EditGameEvent(); // [HGM] try to preserve loaded game
9458 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9459 DisplayError(buf2, 0);
9462 if (StrStr(message, "(no matching move)st")) {
9463 /* Special kludge for GNU Chess 4 only */
9464 cps->stKludge = TRUE;
9465 SendTimeControl(cps, movesPerSession, timeControl,
9466 timeIncrement, appData.searchDepth,
9470 if (StrStr(message, "(no matching move)sd")) {
9471 /* Special kludge for GNU Chess 4 only */
9472 cps->sdKludge = TRUE;
9473 SendTimeControl(cps, movesPerSession, timeControl,
9474 timeIncrement, appData.searchDepth,
9478 if (!StrStr(message, "llegal")) {
9481 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9482 gameMode == IcsIdle) return;
9483 if (forwardMostMove <= backwardMostMove) return;
9484 if (pausing) PauseEvent();
9485 if(appData.forceIllegal) {
9486 // [HGM] illegal: machine refused move; force position after move into it
9487 SendToProgram("force\n", cps);
9488 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9489 // we have a real problem now, as SendBoard will use the a2a3 kludge
9490 // when black is to move, while there might be nothing on a2 or black
9491 // might already have the move. So send the board as if white has the move.
9492 // But first we must change the stm of the engine, as it refused the last move
9493 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9494 if(WhiteOnMove(forwardMostMove)) {
9495 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9496 SendBoard(cps, forwardMostMove); // kludgeless board
9498 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9499 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9500 SendBoard(cps, forwardMostMove+1); // kludgeless board
9502 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9503 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9504 gameMode == TwoMachinesPlay)
9505 SendToProgram("go\n", cps);
9508 if (gameMode == PlayFromGameFile) {
9509 /* Stop reading this game file */
9510 gameMode = EditGame;
9513 /* [HGM] illegal-move claim should forfeit game when Xboard */
9514 /* only passes fully legal moves */
9515 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9516 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9517 "False illegal-move claim", GE_XBOARD );
9518 return; // do not take back move we tested as valid
9520 currentMove = forwardMostMove-1;
9521 DisplayMove(currentMove-1); /* before DisplayMoveError */
9522 SwitchClocks(forwardMostMove-1); // [HGM] race
9523 DisplayBothClocks();
9524 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9525 parseList[currentMove], _(cps->which));
9526 DisplayMoveError(buf1);
9527 DrawPosition(FALSE, boards[currentMove]);
9529 SetUserThinkingEnables();
9532 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9533 /* Program has a broken "time" command that
9534 outputs a string not ending in newline.
9538 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9539 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9540 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9544 * If chess program startup fails, exit with an error message.
9545 * Attempts to recover here are futile. [HGM] Well, we try anyway
9547 if ((StrStr(message, "unknown host") != NULL)
9548 || (StrStr(message, "No remote directory") != NULL)
9549 || (StrStr(message, "not found") != NULL)
9550 || (StrStr(message, "No such file") != NULL)
9551 || (StrStr(message, "can't alloc") != NULL)
9552 || (StrStr(message, "Permission denied") != NULL)) {
9554 cps->maybeThinking = FALSE;
9555 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9556 _(cps->which), cps->program, cps->host, message);
9557 RemoveInputSource(cps->isr);
9558 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9559 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9560 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9566 * Look for hint output
9568 if (sscanf(message, "Hint: %s", buf1) == 1) {
9569 if (cps == &first && hintRequested) {
9570 hintRequested = FALSE;
9571 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9572 &fromX, &fromY, &toX, &toY, &promoChar)) {
9573 (void) CoordsToAlgebraic(boards[forwardMostMove],
9574 PosFlags(forwardMostMove),
9575 fromY, fromX, toY, toX, promoChar, buf1);
9576 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9577 DisplayInformation(buf2);
9579 /* Hint move could not be parsed!? */
9580 snprintf(buf2, sizeof(buf2),
9581 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9582 buf1, _(cps->which));
9583 DisplayError(buf2, 0);
9586 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9592 * Ignore other messages if game is not in progress
9594 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9595 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9598 * look for win, lose, draw, or draw offer
9600 if (strncmp(message, "1-0", 3) == 0) {
9601 char *p, *q, *r = "";
9602 p = strchr(message, '{');
9610 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9612 } else if (strncmp(message, "0-1", 3) == 0) {
9613 char *p, *q, *r = "";
9614 p = strchr(message, '{');
9622 /* Kludge for Arasan 4.1 bug */
9623 if (strcmp(r, "Black resigns") == 0) {
9624 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9627 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9629 } else if (strncmp(message, "1/2", 3) == 0) {
9630 char *p, *q, *r = "";
9631 p = strchr(message, '{');
9640 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9643 } else if (strncmp(message, "White resign", 12) == 0) {
9644 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9646 } else if (strncmp(message, "Black resign", 12) == 0) {
9647 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9649 } else if (strncmp(message, "White matches", 13) == 0 ||
9650 strncmp(message, "Black matches", 13) == 0 ) {
9651 /* [HGM] ignore GNUShogi noises */
9653 } else if (strncmp(message, "White", 5) == 0 &&
9654 message[5] != '(' &&
9655 StrStr(message, "Black") == NULL) {
9656 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9658 } else if (strncmp(message, "Black", 5) == 0 &&
9659 message[5] != '(') {
9660 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9662 } else if (strcmp(message, "resign") == 0 ||
9663 strcmp(message, "computer resigns") == 0) {
9665 case MachinePlaysBlack:
9666 case IcsPlayingBlack:
9667 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9669 case MachinePlaysWhite:
9670 case IcsPlayingWhite:
9671 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9673 case TwoMachinesPlay:
9674 if (cps->twoMachinesColor[0] == 'w')
9675 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9677 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9684 } else if (strncmp(message, "opponent mates", 14) == 0) {
9686 case MachinePlaysBlack:
9687 case IcsPlayingBlack:
9688 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9690 case MachinePlaysWhite:
9691 case IcsPlayingWhite:
9692 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9694 case TwoMachinesPlay:
9695 if (cps->twoMachinesColor[0] == 'w')
9696 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9698 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9705 } else if (strncmp(message, "computer mates", 14) == 0) {
9707 case MachinePlaysBlack:
9708 case IcsPlayingBlack:
9709 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9711 case MachinePlaysWhite:
9712 case IcsPlayingWhite:
9713 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9715 case TwoMachinesPlay:
9716 if (cps->twoMachinesColor[0] == 'w')
9717 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9719 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9726 } else if (strncmp(message, "checkmate", 9) == 0) {
9727 if (WhiteOnMove(forwardMostMove)) {
9728 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9730 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9733 } else if (strstr(message, "Draw") != NULL ||
9734 strstr(message, "game is a draw") != NULL) {
9735 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9737 } else if (strstr(message, "offer") != NULL &&
9738 strstr(message, "draw") != NULL) {
9740 if (appData.zippyPlay && first.initDone) {
9741 /* Relay offer to ICS */
9742 SendToICS(ics_prefix);
9743 SendToICS("draw\n");
9746 cps->offeredDraw = 2; /* valid until this engine moves twice */
9747 if (gameMode == TwoMachinesPlay) {
9748 if (cps->other->offeredDraw) {
9749 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9750 /* [HGM] in two-machine mode we delay relaying draw offer */
9751 /* until after we also have move, to see if it is really claim */
9753 } else if (gameMode == MachinePlaysWhite ||
9754 gameMode == MachinePlaysBlack) {
9755 if (userOfferedDraw) {
9756 DisplayInformation(_("Machine accepts your draw offer"));
9757 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9759 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9766 * Look for thinking output
9768 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9769 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9771 int plylev, mvleft, mvtot, curscore, time;
9772 char mvname[MOVE_LEN];
9776 int prefixHint = FALSE;
9777 mvname[0] = NULLCHAR;
9780 case MachinePlaysBlack:
9781 case IcsPlayingBlack:
9782 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9784 case MachinePlaysWhite:
9785 case IcsPlayingWhite:
9786 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9791 case IcsObserving: /* [DM] icsEngineAnalyze */
9792 if (!appData.icsEngineAnalyze) ignore = TRUE;
9794 case TwoMachinesPlay:
9795 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9805 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9808 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9809 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9810 char score_buf[MSG_SIZ];
9812 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9813 nodes += u64Const(0x100000000);
9815 if (plyext != ' ' && plyext != '\t') {
9819 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9820 if( cps->scoreIsAbsolute &&
9821 ( gameMode == MachinePlaysBlack ||
9822 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9823 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9824 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9825 !WhiteOnMove(currentMove)
9828 curscore = -curscore;
9831 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9833 if(*bestMove) { // rememer time best EPD move was first found
9834 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9835 ChessMove mt; char *p = bestMove;
9836 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9838 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9839 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9840 solvingTime = (solvingTime < 0 ? time : solvingTime);
9844 while(*p && *p != ' ') p++;
9845 while(*p == ' ') p++;
9847 if(!solved) solvingTime = -1;
9849 if(*avoidMove && !solved) {
9850 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9851 ChessMove mt; char *p = avoidMove, solved = 1;
9852 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9853 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9854 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9855 solved = 0; solvingTime = -2;
9858 while(*p && *p != ' ') p++;
9859 while(*p == ' ') p++;
9861 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9864 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9867 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9868 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9869 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9870 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9871 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9872 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9876 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9877 DisplayError(_("failed writing PV"), 0);
9880 tempStats.depth = plylev;
9881 tempStats.nodes = nodes;
9882 tempStats.time = time;
9883 tempStats.score = curscore;
9884 tempStats.got_only_move = 0;
9886 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9889 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9890 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9891 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9892 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9893 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9894 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9895 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9896 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9899 /* Buffer overflow protection */
9900 if (pv[0] != NULLCHAR) {
9901 if (strlen(pv) >= sizeof(tempStats.movelist)
9902 && appData.debugMode) {
9904 "PV is too long; using the first %u bytes.\n",
9905 (unsigned) sizeof(tempStats.movelist) - 1);
9908 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9910 sprintf(tempStats.movelist, " no PV\n");
9913 if (tempStats.seen_stat) {
9914 tempStats.ok_to_send = 1;
9917 if (strchr(tempStats.movelist, '(') != NULL) {
9918 tempStats.line_is_book = 1;
9919 tempStats.nr_moves = 0;
9920 tempStats.moves_left = 0;
9922 tempStats.line_is_book = 0;
9925 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9926 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9928 SendProgramStatsToFrontend( cps, &tempStats );
9931 [AS] Protect the thinkOutput buffer from overflow... this
9932 is only useful if buf1 hasn't overflowed first!
9934 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9935 if(curscore >= MATE_SCORE)
9936 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9937 else if(curscore <= -MATE_SCORE)
9938 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9940 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9941 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9943 (gameMode == TwoMachinesPlay ?
9944 ToUpper(cps->twoMachinesColor[0]) : ' '),
9946 prefixHint ? lastHint : "",
9947 prefixHint ? " " : "" );
9949 if( buf1[0] != NULLCHAR ) {
9950 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9952 if( strlen(pv) > max_len ) {
9953 if( appData.debugMode) {
9954 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9956 pv[max_len+1] = '\0';
9959 strcat( thinkOutput, pv);
9962 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9963 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9964 DisplayMove(currentMove - 1);
9968 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9969 /* crafty (9.25+) says "(only move) <move>"
9970 * if there is only 1 legal move
9972 sscanf(p, "(only move) %s", buf1);
9973 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9974 sprintf(programStats.movelist, "%s (only move)", buf1);
9975 programStats.depth = 1;
9976 programStats.nr_moves = 1;
9977 programStats.moves_left = 1;
9978 programStats.nodes = 1;
9979 programStats.time = 1;
9980 programStats.got_only_move = 1;
9982 /* Not really, but we also use this member to
9983 mean "line isn't going to change" (Crafty
9984 isn't searching, so stats won't change) */
9985 programStats.line_is_book = 1;
9987 SendProgramStatsToFrontend( cps, &programStats );
9989 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9990 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9991 DisplayMove(currentMove - 1);
9994 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9995 &time, &nodes, &plylev, &mvleft,
9996 &mvtot, mvname) >= 5) {
9997 /* The stat01: line is from Crafty (9.29+) in response
9998 to the "." command */
9999 programStats.seen_stat = 1;
10000 cps->maybeThinking = TRUE;
10002 if (programStats.got_only_move || !appData.periodicUpdates)
10005 programStats.depth = plylev;
10006 programStats.time = time;
10007 programStats.nodes = nodes;
10008 programStats.moves_left = mvleft;
10009 programStats.nr_moves = mvtot;
10010 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
10011 programStats.ok_to_send = 1;
10012 programStats.movelist[0] = '\0';
10014 SendProgramStatsToFrontend( cps, &programStats );
10018 } else if (strncmp(message,"++",2) == 0) {
10019 /* Crafty 9.29+ outputs this */
10020 programStats.got_fail = 2;
10023 } else if (strncmp(message,"--",2) == 0) {
10024 /* Crafty 9.29+ outputs this */
10025 programStats.got_fail = 1;
10028 } else if (thinkOutput[0] != NULLCHAR &&
10029 strncmp(message, " ", 4) == 0) {
10030 unsigned message_len;
10033 while (*p && *p == ' ') p++;
10035 message_len = strlen( p );
10037 /* [AS] Avoid buffer overflow */
10038 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
10039 strcat(thinkOutput, " ");
10040 strcat(thinkOutput, p);
10043 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
10044 strcat(programStats.movelist, " ");
10045 strcat(programStats.movelist, p);
10048 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
10049 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
10050 DisplayMove(currentMove - 1);
10056 buf1[0] = NULLCHAR;
10058 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
10059 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
10061 ChessProgramStats cpstats;
10063 if (plyext != ' ' && plyext != '\t') {
10067 /* [AS] Negate score if machine is playing black and reporting absolute scores */
10068 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
10069 curscore = -curscore;
10072 cpstats.depth = plylev;
10073 cpstats.nodes = nodes;
10074 cpstats.time = time;
10075 cpstats.score = curscore;
10076 cpstats.got_only_move = 0;
10077 cpstats.movelist[0] = '\0';
10079 if (buf1[0] != NULLCHAR) {
10080 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
10083 cpstats.ok_to_send = 0;
10084 cpstats.line_is_book = 0;
10085 cpstats.nr_moves = 0;
10086 cpstats.moves_left = 0;
10088 SendProgramStatsToFrontend( cps, &cpstats );
10095 /* Parse a game score from the character string "game", and
10096 record it as the history of the current game. The game
10097 score is NOT assumed to start from the standard position.
10098 The display is not updated in any way.
10101 ParseGameHistory (char *game)
10103 ChessMove moveType;
10104 int fromX, fromY, toX, toY, boardIndex, mask;
10109 if (appData.debugMode)
10110 fprintf(debugFP, "Parsing game history: %s\n", game);
10112 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10113 gameInfo.site = StrSave(appData.icsHost);
10114 gameInfo.date = PGNDate();
10115 gameInfo.round = StrSave("-");
10117 /* Parse out names of players */
10118 while (*game == ' ') game++;
10120 while (*game != ' ') *p++ = *game++;
10122 gameInfo.white = StrSave(buf);
10123 while (*game == ' ') game++;
10125 while (*game != ' ' && *game != '\n') *p++ = *game++;
10127 gameInfo.black = StrSave(buf);
10130 boardIndex = blackPlaysFirst ? 1 : 0;
10133 yyboardindex = boardIndex;
10134 moveType = (ChessMove) Myylex();
10135 switch (moveType) {
10136 case IllegalMove: /* maybe suicide chess, etc. */
10137 if (appData.debugMode) {
10138 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10139 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10140 setbuf(debugFP, NULL);
10142 case WhitePromotion:
10143 case BlackPromotion:
10144 case WhiteNonPromotion:
10145 case BlackNonPromotion:
10148 case WhiteCapturesEnPassant:
10149 case BlackCapturesEnPassant:
10150 case WhiteKingSideCastle:
10151 case WhiteQueenSideCastle:
10152 case BlackKingSideCastle:
10153 case BlackQueenSideCastle:
10154 case WhiteKingSideCastleWild:
10155 case WhiteQueenSideCastleWild:
10156 case BlackKingSideCastleWild:
10157 case BlackQueenSideCastleWild:
10159 case WhiteHSideCastleFR:
10160 case WhiteASideCastleFR:
10161 case BlackHSideCastleFR:
10162 case BlackASideCastleFR:
10164 fromX = currentMoveString[0] - AAA;
10165 fromY = currentMoveString[1] - ONE;
10166 toX = currentMoveString[2] - AAA;
10167 toY = currentMoveString[3] - ONE;
10168 promoChar = currentMoveString[4];
10172 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10173 fromX = moveType == WhiteDrop ?
10174 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10175 (int) CharToPiece(ToLower(currentMoveString[0]));
10177 toX = currentMoveString[2] - AAA;
10178 toY = currentMoveString[3] - ONE;
10179 promoChar = NULLCHAR;
10181 case AmbiguousMove:
10183 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10184 if (appData.debugMode) {
10185 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10186 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10187 setbuf(debugFP, NULL);
10189 DisplayError(buf, 0);
10191 case ImpossibleMove:
10193 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10194 if (appData.debugMode) {
10195 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10196 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10197 setbuf(debugFP, NULL);
10199 DisplayError(buf, 0);
10202 if (boardIndex < backwardMostMove) {
10203 /* Oops, gap. How did that happen? */
10204 DisplayError(_("Gap in move list"), 0);
10207 backwardMostMove = blackPlaysFirst ? 1 : 0;
10208 if (boardIndex > forwardMostMove) {
10209 forwardMostMove = boardIndex;
10213 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10214 strcat(parseList[boardIndex-1], " ");
10215 strcat(parseList[boardIndex-1], yy_text);
10227 case GameUnfinished:
10228 if (gameMode == IcsExamining) {
10229 if (boardIndex < backwardMostMove) {
10230 /* Oops, gap. How did that happen? */
10233 backwardMostMove = blackPlaysFirst ? 1 : 0;
10236 gameInfo.result = moveType;
10237 p = strchr(yy_text, '{');
10238 if (p == NULL) p = strchr(yy_text, '(');
10241 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10243 q = strchr(p, *p == '{' ? '}' : ')');
10244 if (q != NULL) *q = NULLCHAR;
10247 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10248 gameInfo.resultDetails = StrSave(p);
10251 if (boardIndex >= forwardMostMove &&
10252 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10253 backwardMostMove = blackPlaysFirst ? 1 : 0;
10256 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10257 fromY, fromX, toY, toX, promoChar,
10258 parseList[boardIndex]);
10259 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10260 /* currentMoveString is set as a side-effect of yylex */
10261 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10262 strcat(moveList[boardIndex], "\n");
10264 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10265 mask = (WhiteOnMove(boardIndex) ? 0xFF : 0xFF00);
10266 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10272 if(boards[boardIndex][CHECK_COUNT]) boards[boardIndex][CHECK_COUNT] -= mask & 0x101;
10273 if(!boards[boardIndex][CHECK_COUNT] || boards[boardIndex][CHECK_COUNT] & mask) {
10274 if(!IS_SHOGI(gameInfo.variant)) strcat(parseList[boardIndex - 1], "+");
10279 strcat(parseList[boardIndex - 1], "#");
10286 /* Apply a move to the given board */
10288 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10290 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, epFile, lastFile, lastRank, berolina = 0;
10291 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10293 /* [HGM] compute & store e.p. status and castling rights for new position */
10294 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10296 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10297 oldEP = (signed char)board[EP_STATUS]; epRank = board[EP_RANK]; epFile = board[EP_FILE]; lastFile = board[LAST_TO] & 255,lastRank = board[LAST_TO] >> 8;
10298 board[EP_STATUS] = EP_NONE;
10299 board[EP_FILE] = board[EP_RANK] = 100, board[LAST_TO] = 0x4040;
10301 if (fromY == DROP_RANK) {
10302 /* must be first */
10303 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10304 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10307 piece = board[toY][toX] = (ChessSquare) fromX;
10309 // ChessSquare victim;
10312 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10313 // victim = board[killY][killX],
10314 killed = board[killY][killX],
10315 board[killY][killX] = EmptySquare,
10316 board[EP_STATUS] = EP_CAPTURE;
10317 if( kill2X >= 0 && kill2Y >= 0)
10318 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10321 if( board[toY][toX] != EmptySquare ) {
10322 board[EP_STATUS] = EP_CAPTURE;
10323 if( (fromX != toX || fromY != toY) && // not igui!
10324 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10325 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10326 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10330 pawn = board[fromY][fromX];
10331 if(pieceDesc[pawn] && strchr(pieceDesc[pawn], 'e')) { // piece with user-defined e.p. capture
10332 if(captured == EmptySquare && toX == epFile && (toY == (epRank & 127) || toY + (pawn < BlackPawn ? -1 : 1) == epRank - 128)) {
10333 captured = board[lastRank][lastFile]; // remove victim
10334 board[lastRank][lastFile] = EmptySquare;
10335 pawn = EmptySquare; // kludge to suppress old e.p. code
10338 if( pawn == WhiteLance || pawn == BlackLance ) {
10339 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10340 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10341 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10344 if( pawn == WhitePawn ) {
10345 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10346 board[EP_STATUS] = EP_PAWN_MOVE;
10347 if( toY-fromY>=2) {
10348 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10349 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10350 gameInfo.variant != VariantBerolina || toX < fromX)
10351 board[EP_STATUS] = toX | berolina;
10352 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10353 gameInfo.variant != VariantBerolina || toX > fromX)
10354 board[EP_STATUS] = toX;
10355 board[LAST_TO] = toX + 256*toY;
10358 if( pawn == BlackPawn ) {
10359 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10360 board[EP_STATUS] = EP_PAWN_MOVE;
10361 if( toY-fromY<= -2) {
10362 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10363 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10364 gameInfo.variant != VariantBerolina || toX < fromX)
10365 board[EP_STATUS] = toX | berolina;
10366 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10367 gameInfo.variant != VariantBerolina || toX > fromX)
10368 board[EP_STATUS] = toX;
10369 board[LAST_TO] = toX + 256*toY;
10373 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10374 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10375 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10376 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10378 for(i=0; i<nrCastlingRights; i++) {
10379 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10380 board[CASTLING][i] == toX && castlingRank[i] == toY
10381 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10384 if(gameInfo.variant == VariantSChess) { // update virginity
10385 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10386 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10387 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10388 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10391 if (fromX == toX && fromY == toY && killX < 0) return;
10393 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10394 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10395 if(gameInfo.variant == VariantKnightmate)
10396 king += (int) WhiteUnicorn - (int) WhiteKing;
10398 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10399 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10400 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10401 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10402 board[EP_STATUS] = EP_NONE; // capture was fake!
10404 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10405 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10406 board[toY][toX] = piece;
10407 board[EP_STATUS] = EP_NONE; // capture was fake!
10409 /* Code added by Tord: */
10410 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10411 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10412 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10413 board[EP_STATUS] = EP_NONE; // capture was fake!
10414 board[fromY][fromX] = EmptySquare;
10415 board[toY][toX] = EmptySquare;
10416 if((toX > fromX) != (piece == WhiteRook)) {
10417 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10419 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10421 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10422 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10423 board[EP_STATUS] = EP_NONE;
10424 board[fromY][fromX] = EmptySquare;
10425 board[toY][toX] = EmptySquare;
10426 if((toX > fromX) != (piece == BlackRook)) {
10427 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10429 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10431 /* End of code added by Tord */
10433 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10434 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10435 board[toY][toX] = piece;
10436 } else if (board[fromY][fromX] == king
10437 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10438 && toY == fromY && toX > fromX+1) {
10439 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10440 ; // castle with nearest piece
10441 board[fromY][toX-1] = board[fromY][rookX];
10442 board[fromY][rookX] = EmptySquare;
10443 board[fromY][fromX] = EmptySquare;
10444 board[toY][toX] = king;
10445 } else if (board[fromY][fromX] == king
10446 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10447 && toY == fromY && toX < fromX-1) {
10448 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10449 ; // castle with nearest piece
10450 board[fromY][toX+1] = board[fromY][rookX];
10451 board[fromY][rookX] = EmptySquare;
10452 board[fromY][fromX] = EmptySquare;
10453 board[toY][toX] = king;
10454 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10455 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10456 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10458 /* white pawn promotion */
10459 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10460 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10461 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10462 board[fromY][fromX] = EmptySquare;
10463 } else if ((fromY >= BOARD_HEIGHT>>1)
10464 && (epFile == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10466 && gameInfo.variant != VariantXiangqi
10467 && gameInfo.variant != VariantBerolina
10468 && (pawn == WhitePawn)
10469 && (board[toY][toX] == EmptySquare)) {
10470 if(lastFile == 100) lastFile = (board[fromY][toX] == BlackPawn ? toX : fromX), lastRank = fromY; // assume FIDE e.p. if victim present
10471 board[fromY][fromX] = EmptySquare;
10472 board[toY][toX] = piece;
10473 captured = board[lastRank][lastFile], board[lastRank][lastFile] = EmptySquare;
10474 } else if ((fromY == BOARD_HEIGHT-4)
10476 && gameInfo.variant == VariantBerolina
10477 && (board[fromY][fromX] == WhitePawn)
10478 && (board[toY][toX] == EmptySquare)) {
10479 board[fromY][fromX] = EmptySquare;
10480 board[toY][toX] = WhitePawn;
10481 if(oldEP & EP_BEROLIN_A) {
10482 captured = board[fromY][fromX-1];
10483 board[fromY][fromX-1] = EmptySquare;
10484 }else{ captured = board[fromY][fromX+1];
10485 board[fromY][fromX+1] = EmptySquare;
10487 } else if (board[fromY][fromX] == king
10488 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10489 && toY == fromY && toX > fromX+1) {
10490 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10492 board[fromY][toX-1] = board[fromY][rookX];
10493 board[fromY][rookX] = EmptySquare;
10494 board[fromY][fromX] = EmptySquare;
10495 board[toY][toX] = king;
10496 } else if (board[fromY][fromX] == king
10497 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10498 && toY == fromY && toX < fromX-1) {
10499 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10501 board[fromY][toX+1] = board[fromY][rookX];
10502 board[fromY][rookX] = EmptySquare;
10503 board[fromY][fromX] = EmptySquare;
10504 board[toY][toX] = king;
10505 } else if (fromY == 7 && fromX == 3
10506 && board[fromY][fromX] == BlackKing
10507 && toY == 7 && toX == 5) {
10508 board[fromY][fromX] = EmptySquare;
10509 board[toY][toX] = BlackKing;
10510 board[fromY][7] = EmptySquare;
10511 board[toY][4] = BlackRook;
10512 } else if (fromY == 7 && fromX == 3
10513 && board[fromY][fromX] == BlackKing
10514 && toY == 7 && toX == 1) {
10515 board[fromY][fromX] = EmptySquare;
10516 board[toY][toX] = BlackKing;
10517 board[fromY][0] = EmptySquare;
10518 board[toY][2] = BlackRook;
10519 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10520 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10521 && toY < promoRank && promoChar
10523 /* black pawn promotion */
10524 board[toY][toX] = CharToPiece(ToLower(promoChar));
10525 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10526 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10527 board[fromY][fromX] = EmptySquare;
10528 } else if ((fromY < BOARD_HEIGHT>>1)
10529 && (epFile == toX && epRank == toY || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10531 && gameInfo.variant != VariantXiangqi
10532 && gameInfo.variant != VariantBerolina
10533 && (pawn == BlackPawn)
10534 && (board[toY][toX] == EmptySquare)) {
10535 if(lastFile == 100) lastFile = (board[fromY][toX] == WhitePawn ? toX : fromX), lastRank = fromY;
10536 board[fromY][fromX] = EmptySquare;
10537 board[toY][toX] = piece;
10538 captured = board[lastRank][lastFile], board[lastRank][lastFile] = EmptySquare;
10539 } else if ((fromY == 3)
10541 && gameInfo.variant == VariantBerolina
10542 && (board[fromY][fromX] == BlackPawn)
10543 && (board[toY][toX] == EmptySquare)) {
10544 board[fromY][fromX] = EmptySquare;
10545 board[toY][toX] = BlackPawn;
10546 if(oldEP & EP_BEROLIN_A) {
10547 captured = board[fromY][fromX-1];
10548 board[fromY][fromX-1] = EmptySquare;
10549 }else{ captured = board[fromY][fromX+1];
10550 board[fromY][fromX+1] = EmptySquare;
10553 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10554 board[fromY][fromX] = EmptySquare;
10555 board[toY][toX] = piece;
10559 if (gameInfo.holdingsWidth != 0) {
10561 /* !!A lot more code needs to be written to support holdings */
10562 /* [HGM] OK, so I have written it. Holdings are stored in the */
10563 /* penultimate board files, so they are automaticlly stored */
10564 /* in the game history. */
10565 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10566 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10567 /* Delete from holdings, by decreasing count */
10568 /* and erasing image if necessary */
10569 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10570 if(p < (int) BlackPawn) { /* white drop */
10571 p -= (int)WhitePawn;
10572 p = PieceToNumber((ChessSquare)p);
10573 if(p >= gameInfo.holdingsSize) p = 0;
10574 if(--board[p][BOARD_WIDTH-2] <= 0)
10575 board[p][BOARD_WIDTH-1] = EmptySquare;
10576 if((int)board[p][BOARD_WIDTH-2] < 0)
10577 board[p][BOARD_WIDTH-2] = 0;
10578 } else { /* black drop */
10579 p -= (int)BlackPawn;
10580 p = PieceToNumber((ChessSquare)p);
10581 if(p >= gameInfo.holdingsSize) p = 0;
10582 if(--board[handSize-1-p][1] <= 0)
10583 board[handSize-1-p][0] = EmptySquare;
10584 if((int)board[handSize-1-p][1] < 0)
10585 board[handSize-1-p][1] = 0;
10588 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10589 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10590 /* [HGM] holdings: Add to holdings, if holdings exist */
10591 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10592 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10593 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10595 p = (int) captured;
10596 if (p >= (int) BlackPawn) {
10597 p -= (int)BlackPawn;
10598 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10599 /* Restore shogi-promoted piece to its original first */
10600 captured = (ChessSquare) (DEMOTED(captured));
10603 p = PieceToNumber((ChessSquare)p);
10604 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10605 board[p][BOARD_WIDTH-2]++;
10606 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10608 p -= (int)WhitePawn;
10609 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10610 captured = (ChessSquare) (DEMOTED(captured));
10613 p = PieceToNumber((ChessSquare)p);
10614 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10615 board[handSize-1-p][1]++;
10616 board[handSize-1-p][0] = WHITE_TO_BLACK captured;
10619 } else if (gameInfo.variant == VariantAtomic) {
10620 if (captured != EmptySquare) {
10622 for (y = toY-1; y <= toY+1; y++) {
10623 for (x = toX-1; x <= toX+1; x++) {
10624 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10625 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10626 board[y][x] = EmptySquare;
10630 board[toY][toX] = EmptySquare;
10634 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10635 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10637 if(promoChar == '+') {
10638 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10639 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10640 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10641 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10642 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10643 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10644 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10645 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10646 board[toY][toX] = newPiece;
10648 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10649 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10650 // [HGM] superchess: take promotion piece out of holdings
10651 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10652 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10653 if(!--board[k][BOARD_WIDTH-2])
10654 board[k][BOARD_WIDTH-1] = EmptySquare;
10656 if(!--board[handSize-1-k][1])
10657 board[handSize-1-k][0] = EmptySquare;
10662 /* Updates forwardMostMove */
10664 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10666 int x = toX, y = toY, mask;
10667 char *s = parseList[forwardMostMove];
10668 ChessSquare p = boards[forwardMostMove][toY][toX];
10669 // forwardMostMove++; // [HGM] bare: moved downstream
10671 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10672 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10673 (void) CoordsToAlgebraic(boards[forwardMostMove],
10674 PosFlags(forwardMostMove),
10675 fromY, fromX, y, x, (killX < 0)*promoChar,
10677 if(kill2X >= 0 && kill2Y >= 0)
10678 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10679 if(killX >= 0 && killY >= 0)
10680 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10681 toX + AAA, toY + ONE - '0', promoChar);
10683 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10684 int timeLeft; static int lastLoadFlag=0; int king, piece;
10685 piece = boards[forwardMostMove][fromY][fromX];
10686 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10687 if(gameInfo.variant == VariantKnightmate)
10688 king += (int) WhiteUnicorn - (int) WhiteKing;
10689 if(forwardMostMove == 0) {
10690 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10691 fprintf(serverMoves, "%s;", UserName());
10692 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10693 fprintf(serverMoves, "%s;", second.tidy);
10694 fprintf(serverMoves, "%s;", first.tidy);
10695 if(gameMode == MachinePlaysWhite)
10696 fprintf(serverMoves, "%s;", UserName());
10697 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10698 fprintf(serverMoves, "%s;", second.tidy);
10699 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10700 lastLoadFlag = loadFlag;
10702 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10703 // print castling suffix
10704 if( toY == fromY && piece == king ) {
10706 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10708 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10711 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10712 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10713 boards[forwardMostMove][toY][toX] == EmptySquare
10714 && fromX != toX && fromY != toY)
10715 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10716 // promotion suffix
10717 if(promoChar != NULLCHAR) {
10718 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10719 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10720 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10721 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10724 char buf[MOVE_LEN*2], *p; int len;
10725 fprintf(serverMoves, "/%d/%d",
10726 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10727 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10728 else timeLeft = blackTimeRemaining/1000;
10729 fprintf(serverMoves, "/%d", timeLeft);
10730 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10731 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10732 if(p = strchr(buf, '=')) *p = NULLCHAR;
10733 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10734 fprintf(serverMoves, "/%s", buf);
10736 fflush(serverMoves);
10739 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10740 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10743 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10744 if (commentList[forwardMostMove+1] != NULL) {
10745 free(commentList[forwardMostMove+1]);
10746 commentList[forwardMostMove+1] = NULL;
10748 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10749 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10750 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10751 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10752 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10753 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10754 adjustedClock = FALSE;
10755 gameInfo.result = GameUnfinished;
10756 if (gameInfo.resultDetails != NULL) {
10757 free(gameInfo.resultDetails);
10758 gameInfo.resultDetails = NULL;
10760 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10761 moveList[forwardMostMove - 1]);
10762 mask = (WhiteOnMove(forwardMostMove) ? 0xFF : 0xFF00);
10763 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10769 if(boards[forwardMostMove][CHECK_COUNT]) boards[forwardMostMove][CHECK_COUNT] -= mask & 0x101;
10770 if(!boards[forwardMostMove][CHECK_COUNT] || boards[forwardMostMove][CHECK_COUNT] & mask) {
10771 if(!IS_SHOGI(gameInfo.variant)) strcat(parseList[forwardMostMove - 1], "+");
10776 strcat(parseList[forwardMostMove - 1], "#");
10781 /* Updates currentMove if not pausing */
10783 ShowMove (int fromX, int fromY, int toX, int toY)
10785 int instant = (gameMode == PlayFromGameFile) ?
10786 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10787 if(appData.noGUI) return;
10788 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10790 if (forwardMostMove == currentMove + 1) {
10791 AnimateMove(boards[forwardMostMove - 1],
10792 fromX, fromY, toX, toY);
10795 currentMove = forwardMostMove;
10798 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10800 if (instant) return;
10802 DisplayMove(currentMove - 1);
10803 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10804 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10805 SetHighlights(fromX, fromY, toX, toY);
10808 DrawPosition(FALSE, boards[currentMove]);
10809 DisplayBothClocks();
10810 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10814 SendEgtPath (ChessProgramState *cps)
10815 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10816 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10818 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10821 char c, *q = name+1, *r, *s;
10823 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10824 while(*p && *p != ',') *q++ = *p++;
10825 *q++ = ':'; *q = 0;
10826 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10827 strcmp(name, ",nalimov:") == 0 ) {
10828 // take nalimov path from the menu-changeable option first, if it is defined
10829 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10830 SendToProgram(buf,cps); // send egtbpath command for nalimov
10832 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10833 (s = StrStr(appData.egtFormats, name)) != NULL) {
10834 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10835 s = r = StrStr(s, ":") + 1; // beginning of path info
10836 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10837 c = *r; *r = 0; // temporarily null-terminate path info
10838 *--q = 0; // strip of trailig ':' from name
10839 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10841 SendToProgram(buf,cps); // send egtbpath command for this format
10843 if(*p == ',') p++; // read away comma to position for next format name
10848 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10850 int width = 8, height = 8, holdings = 0; // most common sizes
10851 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10852 // correct the deviations default for each variant
10853 if( v == VariantXiangqi ) width = 9, height = 10;
10854 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10855 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10856 if( v == VariantCapablanca || v == VariantCapaRandom ||
10857 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10859 if( v == VariantCourier ) width = 12;
10860 if( v == VariantSuper ) holdings = 8;
10861 if( v == VariantGreat ) width = 10, holdings = 8;
10862 if( v == VariantSChess ) holdings = 7;
10863 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10864 if( v == VariantChuChess) width = 10, height = 10;
10865 if( v == VariantChu ) width = 12, height = 12;
10866 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10867 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10868 holdingsSize >= 0 && holdingsSize != holdings;
10871 char variantError[MSG_SIZ];
10874 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10875 { // returns error message (recognizable by upper-case) if engine does not support the variant
10876 char *p, *variant = VariantName(v);
10877 static char b[MSG_SIZ];
10878 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10879 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10880 holdingsSize, variant); // cook up sized variant name
10881 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10882 if(StrStr(list, b) == NULL) {
10883 // specific sized variant not known, check if general sizing allowed
10884 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10885 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10886 boardWidth, boardHeight, holdingsSize, engine);
10889 /* [HGM] here we really should compare with the maximum supported board size */
10891 } else snprintf(b, MSG_SIZ,"%s", variant);
10892 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10893 p = StrStr(list, b);
10894 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10896 // occurs not at all in list, or only as sub-string
10897 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10898 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10899 int l = strlen(variantError);
10901 while(p != list && p[-1] != ',') p--;
10902 q = strchr(p, ',');
10903 if(q) *q = NULLCHAR;
10904 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10913 InitChessProgram (ChessProgramState *cps, int setup)
10914 /* setup needed to setup FRC opening position */
10916 char buf[MSG_SIZ], *b;
10917 if (appData.noChessProgram) return;
10918 hintRequested = FALSE;
10919 bookRequested = FALSE;
10921 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10922 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10923 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10924 if(cps->memSize) { /* [HGM] memory */
10925 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10926 SendToProgram(buf, cps);
10928 SendEgtPath(cps); /* [HGM] EGT */
10929 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10930 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10931 SendToProgram(buf, cps);
10934 setboardSpoiledMachineBlack = FALSE;
10935 SendToProgram(cps->initString, cps);
10936 if (gameInfo.variant != VariantNormal &&
10937 gameInfo.variant != VariantLoadable
10938 /* [HGM] also send variant if board size non-standard */
10939 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10941 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10942 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10946 char c, *q = cps->variants, *p = strchr(q, ',');
10947 if(p) *p = NULLCHAR;
10948 v = StringToVariant(q);
10949 DisplayError(variantError, 0);
10950 if(v != VariantUnknown && cps == &first) {
10952 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10953 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10954 ASSIGN(appData.variant, q);
10955 Reset(TRUE, FALSE);
10961 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10962 SendToProgram(buf, cps);
10964 currentlyInitializedVariant = gameInfo.variant;
10966 /* [HGM] send opening position in FRC to first engine */
10968 SendToProgram("force\n", cps);
10970 /* engine is now in force mode! Set flag to wake it up after first move. */
10971 setboardSpoiledMachineBlack = 1;
10974 if (cps->sendICS) {
10975 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10976 SendToProgram(buf, cps);
10978 cps->maybeThinking = FALSE;
10979 cps->offeredDraw = 0;
10980 if (!appData.icsActive) {
10981 SendTimeControl(cps, movesPerSession, timeControl,
10982 timeIncrement, appData.searchDepth,
10985 if (appData.showThinking
10986 // [HGM] thinking: four options require thinking output to be sent
10987 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10989 SendToProgram("post\n", cps);
10991 SendToProgram("hard\n", cps);
10992 if (!appData.ponderNextMove) {
10993 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10994 it without being sure what state we are in first. "hard"
10995 is not a toggle, so that one is OK.
10997 SendToProgram("easy\n", cps);
10999 if (cps->usePing) {
11000 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
11001 SendToProgram(buf, cps);
11003 cps->initDone = TRUE;
11004 ClearEngineOutputPane(cps == &second);
11009 ResendOptions (ChessProgramState *cps, int toEngine)
11010 { // send the stored value of the options
11012 static char buf2[MSG_SIZ*10];
11013 char buf[MSG_SIZ], *p = buf2;
11014 Option *opt = cps->option;
11016 for(i=0; i<cps->nrOptions; i++, opt++) {
11018 switch(opt->type) {
11022 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
11023 snprintf(buf, MSG_SIZ, "%s=%d", opt->name, opt->value);
11026 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
11027 snprintf(buf, MSG_SIZ, "%s=%s", opt->name, opt->choice[opt->value]);
11030 if(strcmp(opt->textValue, opt->name + MSG_SIZ - 100))
11031 snprintf(buf, MSG_SIZ, "%s=%s", opt->name, opt->textValue);
11039 snprintf(buf2, MSG_SIZ, "option %s\n", buf);
11040 SendToProgram(buf2, cps);
11042 if(p != buf2) *p++ = ',';
11043 strncpy(p, buf, 10*MSG_SIZ-1 - (p - buf2));
11052 StartChessProgram (ChessProgramState *cps)
11057 if (appData.noChessProgram) return;
11058 cps->initDone = FALSE;
11060 if (strcmp(cps->host, "localhost") == 0) {
11061 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
11062 } else if (*appData.remoteShell == NULLCHAR) {
11063 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
11065 if (*appData.remoteUser == NULLCHAR) {
11066 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
11069 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
11070 cps->host, appData.remoteUser, cps->program);
11072 err = StartChildProcess(buf, "", &cps->pr);
11076 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
11077 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
11078 if(cps != &first) return;
11079 appData.noChessProgram = TRUE;
11082 // DisplayFatalError(buf, err, 1);
11083 // cps->pr = NoProc;
11084 // cps->isr = NULL;
11088 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
11089 if (cps->protocolVersion > 1) {
11090 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
11091 if(!cps->reload) { // do not clear options when reloading because of -xreuse
11092 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
11093 cps->comboCnt = 0; // and values of combo boxes
11095 SendToProgram(buf, cps);
11096 if(cps->reload) ResendOptions(cps, TRUE);
11098 SendToProgram("xboard\n", cps);
11103 TwoMachinesEventIfReady P((void))
11105 static int curMess = 0;
11106 if (first.lastPing != first.lastPong) {
11107 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
11108 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11111 if (second.lastPing != second.lastPong) {
11112 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
11113 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11116 DisplayMessage("", ""); curMess = 0;
11117 TwoMachinesEvent();
11121 MakeName (char *template)
11125 static char buf[MSG_SIZ];
11129 clock = time((time_t *)NULL);
11130 tm = localtime(&clock);
11132 while(*p++ = *template++) if(p[-1] == '%') {
11133 switch(*template++) {
11134 case 0: *p = 0; return buf;
11135 case 'Y': i = tm->tm_year+1900; break;
11136 case 'y': i = tm->tm_year-100; break;
11137 case 'M': i = tm->tm_mon+1; break;
11138 case 'd': i = tm->tm_mday; break;
11139 case 'h': i = tm->tm_hour; break;
11140 case 'm': i = tm->tm_min; break;
11141 case 's': i = tm->tm_sec; break;
11144 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11150 CountPlayers (char *p)
11153 while(p = strchr(p, '\n')) p++, n++; // count participants
11158 WriteTourneyFile (char *results, FILE *f)
11159 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11160 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11161 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11162 // create a file with tournament description
11163 fprintf(f, "-participants {%s}\n", appData.participants);
11164 fprintf(f, "-seedBase %d\n", appData.seedBase);
11165 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11166 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11167 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11168 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11169 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11170 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11171 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11172 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11173 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11174 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11175 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11176 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11177 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11178 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11179 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11180 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11181 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11182 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11183 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11184 fprintf(f, "-smpCores %d\n", appData.smpCores);
11186 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11188 fprintf(f, "-mps %d\n", appData.movesPerSession);
11189 fprintf(f, "-tc %s\n", appData.timeControl);
11190 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11192 fprintf(f, "-results \"%s\"\n", results);
11197 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11200 Substitute (char *participants, int expunge)
11202 int i, changed, changes=0, nPlayers=0;
11203 char *p, *q, *r, buf[MSG_SIZ];
11204 if(participants == NULL) return;
11205 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11206 r = p = participants; q = appData.participants;
11207 while(*p && *p == *q) {
11208 if(*p == '\n') r = p+1, nPlayers++;
11211 if(*p) { // difference
11212 while(*p && *p++ != '\n')
11214 while(*q && *q++ != '\n')
11216 changed = nPlayers;
11217 changes = 1 + (strcmp(p, q) != 0);
11219 if(changes == 1) { // a single engine mnemonic was changed
11220 q = r; while(*q) nPlayers += (*q++ == '\n');
11221 p = buf; while(*r && (*p = *r++) != '\n') p++;
11223 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11224 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11225 if(mnemonic[i]) { // The substitute is valid
11227 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11228 flock(fileno(f), LOCK_EX);
11229 ParseArgsFromFile(f);
11230 fseek(f, 0, SEEK_SET);
11231 FREE(appData.participants); appData.participants = participants;
11232 if(expunge) { // erase results of replaced engine
11233 int len = strlen(appData.results), w, b, dummy;
11234 for(i=0; i<len; i++) {
11235 Pairing(i, nPlayers, &w, &b, &dummy);
11236 if((w == changed || b == changed) && appData.results[i] == '*') {
11237 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11242 for(i=0; i<len; i++) {
11243 Pairing(i, nPlayers, &w, &b, &dummy);
11244 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11247 WriteTourneyFile(appData.results, f);
11248 fclose(f); // release lock
11251 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11253 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11254 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11255 free(participants);
11260 CheckPlayers (char *participants)
11263 char buf[MSG_SIZ], *p;
11264 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11265 while(p = strchr(participants, '\n')) {
11267 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11269 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11271 DisplayError(buf, 0);
11275 participants = p + 1;
11281 CreateTourney (char *name)
11284 if(matchMode && strcmp(name, appData.tourneyFile)) {
11285 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11287 if(name[0] == NULLCHAR) {
11288 if(appData.participants[0])
11289 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11292 f = fopen(name, "r");
11293 if(f) { // file exists
11294 ASSIGN(appData.tourneyFile, name);
11295 ParseArgsFromFile(f); // parse it
11297 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11298 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11299 DisplayError(_("Not enough participants"), 0);
11302 if(CheckPlayers(appData.participants)) return 0;
11303 ASSIGN(appData.tourneyFile, name);
11304 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11305 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11308 appData.noChessProgram = FALSE;
11309 appData.clockMode = TRUE;
11315 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11317 char buf[2*MSG_SIZ], *p, *q;
11318 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11319 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11320 skip = !all && group[0]; // if group requested, we start in skip mode
11321 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11322 p = names; q = buf; header = 0;
11323 while(*p && *p != '\n') *q++ = *p++;
11325 if(*p == '\n') p++;
11326 if(buf[0] == '#') {
11327 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11328 depth++; // we must be entering a new group
11329 if(all) continue; // suppress printing group headers when complete list requested
11331 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11333 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11334 if(engineList[i]) free(engineList[i]);
11335 engineList[i] = strdup(buf);
11336 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11337 if(engineMnemonic[i]) free(engineMnemonic[i]);
11338 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11340 sscanf(q + 8, "%s", buf + strlen(buf));
11343 engineMnemonic[i] = strdup(buf);
11346 engineList[i] = engineMnemonic[i] = NULL;
11351 SaveEngineSettings (int n)
11353 int len; char *p, *q, *s, buf[MSG_SIZ], *optionSettings;
11354 if(!currentEngine[n] || !currentEngine[n][0]) { DisplayMessage("saving failed: engine not from list", ""); return; } // no engine from list is loaded
11355 p = strstr(firstChessProgramNames, currentEngine[n]);
11356 if(!p) { DisplayMessage("saving failed: engine not found in list", ""); return; } // sanity check; engine could be deleted from list after loading
11357 optionSettings = ResendOptions(n ? &second : &first, FALSE);
11358 len = strlen(currentEngine[n]);
11359 q = p + len; *p = 0; // cut list into head and tail piece
11360 s = strstr(currentEngine[n], "firstOptions");
11361 if(s && (s[-1] == '-' || s[-1] == '/') && (s[12] == ' ' || s[12] == '=') && (s[13] == '"' || s[13] == '\'')) {
11363 while(*r && *r != s[13]) r++;
11364 s[14] = 0; // cut currentEngine into head and tail part, removing old settings
11365 snprintf(buf, MSG_SIZ, "%s%s%s", currentEngine[n], optionSettings, *r ? r : "\""); // synthesize new engine line
11366 } else if(*optionSettings) {
11367 snprintf(buf, MSG_SIZ, "%s -firstOptions \"%s\"", currentEngine[n], optionSettings);
11369 ASSIGN(currentEngine[n], buf); // updated engine line
11370 len = p - firstChessProgramNames + strlen(q) + strlen(currentEngine[n]) + 1;
11372 snprintf(s, len, "%s%s%s", firstChessProgramNames, currentEngine[n], q);
11373 FREE(firstChessProgramNames); firstChessProgramNames = s; // new list
11376 // following implemented as macro to avoid type limitations
11377 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11380 SwapEngines (int n)
11381 { // swap settings for first engine and other engine (so far only some selected options)
11386 SWAP(chessProgram, p)
11388 SWAP(hasOwnBookUCI, h)
11389 SWAP(protocolVersion, h)
11391 SWAP(scoreIsAbsolute, h)
11396 SWAP(engOptions, p)
11397 SWAP(engInitString, p)
11398 SWAP(computerString, p)
11400 SWAP(fenOverride, p)
11402 SWAP(accumulateTC, h)
11409 GetEngineLine (char *s, int n)
11413 extern char *icsNames;
11414 if(!s || !*s) return 0;
11415 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11416 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11417 if(!mnemonic[i]) return 0;
11418 if(n == 11) return 1; // just testing if there was a match
11419 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11420 if(n == 1) SwapEngines(n);
11421 ParseArgsFromString(buf);
11422 if(n == 1) SwapEngines(n);
11423 if(n < 2) { ASSIGN(currentEngine[n], command[i]); }
11424 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11425 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11426 ParseArgsFromString(buf);
11432 SetPlayer (int player, char *p)
11433 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11435 char buf[MSG_SIZ], *engineName;
11436 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11437 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11438 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11440 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11441 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11442 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11443 ParseArgsFromString(buf);
11444 } else { // no engine with this nickname is installed!
11445 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11446 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11447 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11449 DisplayError(buf, 0);
11456 char *recentEngines;
11459 RecentEngineEvent (int nr)
11462 // SwapEngines(1); // bump first to second
11463 // ReplaceEngine(&second, 1); // and load it there
11464 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11465 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11466 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11467 ReplaceEngine(&first, 0);
11468 FloatToFront(&appData.recentEngineList, command[n]);
11469 ASSIGN(currentEngine[0], command[n]);
11474 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11475 { // determine players from game number
11476 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11478 if(appData.tourneyType == 0) {
11479 roundsPerCycle = (nPlayers - 1) | 1;
11480 pairingsPerRound = nPlayers / 2;
11481 } else if(appData.tourneyType > 0) {
11482 roundsPerCycle = nPlayers - appData.tourneyType;
11483 pairingsPerRound = appData.tourneyType;
11485 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11486 gamesPerCycle = gamesPerRound * roundsPerCycle;
11487 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11488 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11489 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11490 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11491 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11492 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11494 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11495 if(appData.roundSync) *syncInterval = gamesPerRound;
11497 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11499 if(appData.tourneyType == 0) {
11500 if(curPairing == (nPlayers-1)/2 ) {
11501 *whitePlayer = curRound;
11502 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11504 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11505 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11506 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11507 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11509 } else if(appData.tourneyType > 1) {
11510 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11511 *whitePlayer = curRound + appData.tourneyType;
11512 } else if(appData.tourneyType > 0) {
11513 *whitePlayer = curPairing;
11514 *blackPlayer = curRound + appData.tourneyType;
11517 // take care of white/black alternation per round.
11518 // For cycles and games this is already taken care of by default, derived from matchGame!
11519 return curRound & 1;
11523 NextTourneyGame (int nr, int *swapColors)
11524 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11526 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11528 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11529 tf = fopen(appData.tourneyFile, "r");
11530 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11531 ParseArgsFromFile(tf); fclose(tf);
11532 InitTimeControls(); // TC might be altered from tourney file
11534 nPlayers = CountPlayers(appData.participants); // count participants
11535 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11536 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11539 p = q = appData.results;
11540 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11541 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11542 DisplayMessage(_("Waiting for other game(s)"),"");
11543 waitingForGame = TRUE;
11544 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11547 waitingForGame = FALSE;
11550 if(appData.tourneyType < 0) {
11551 if(nr>=0 && !pairingReceived) {
11553 if(pairing.pr == NoProc) {
11554 if(!appData.pairingEngine[0]) {
11555 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11558 StartChessProgram(&pairing); // starts the pairing engine
11560 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11561 SendToProgram(buf, &pairing);
11562 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11563 SendToProgram(buf, &pairing);
11564 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11566 pairingReceived = 0; // ... so we continue here
11568 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11569 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11570 matchGame = 1; roundNr = nr / syncInterval + 1;
11573 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11575 // redefine engines, engine dir, etc.
11576 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11577 if(first.pr == NoProc) {
11578 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11579 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11581 if(second.pr == NoProc) {
11583 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11584 SwapEngines(1); // and make that valid for second engine by swapping
11585 InitEngine(&second, 1);
11587 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11588 UpdateLogos(FALSE); // leave display to ModeHiglight()
11594 { // performs game initialization that does not invoke engines, and then tries to start the game
11595 int res, firstWhite, swapColors = 0;
11596 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11597 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
11599 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11600 if(strcmp(buf, currentDebugFile)) { // name has changed
11601 FILE *f = fopen(buf, "w");
11602 if(f) { // if opening the new file failed, just keep using the old one
11603 ASSIGN(currentDebugFile, buf);
11607 if(appData.serverFileName) {
11608 if(serverFP) fclose(serverFP);
11609 serverFP = fopen(appData.serverFileName, "w");
11610 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11611 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11615 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11616 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11617 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11618 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11619 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11620 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11621 Reset(FALSE, first.pr != NoProc);
11622 res = LoadGameOrPosition(matchGame); // setup game
11623 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11624 if(!res) return; // abort when bad game/pos file
11625 if(appData.epd) {// in EPD mode we make sure first engine is to move
11626 firstWhite = !(forwardMostMove & 1);
11627 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11628 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11630 TwoMachinesEvent();
11634 UserAdjudicationEvent (int result)
11636 ChessMove gameResult = GameIsDrawn;
11639 gameResult = WhiteWins;
11641 else if( result < 0 ) {
11642 gameResult = BlackWins;
11645 if( gameMode == TwoMachinesPlay ) {
11646 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11651 // [HGM] save: calculate checksum of game to make games easily identifiable
11653 StringCheckSum (char *s)
11656 if(s==NULL) return 0;
11657 while(*s) i = i*259 + *s++;
11665 for(i=backwardMostMove; i<forwardMostMove; i++) {
11666 sum += pvInfoList[i].depth;
11667 sum += StringCheckSum(parseList[i]);
11668 sum += StringCheckSum(commentList[i]);
11671 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11672 return sum + StringCheckSum(commentList[i]);
11673 } // end of save patch
11676 GameEnds (ChessMove result, char *resultDetails, int whosays)
11678 GameMode nextGameMode;
11680 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11682 if(endingGame) return; /* [HGM] crash: forbid recursion */
11684 if(twoBoards) { // [HGM] dual: switch back to one board
11685 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11686 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11688 if (appData.debugMode) {
11689 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11690 result, resultDetails ? resultDetails : "(null)", whosays);
11693 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11695 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11697 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11698 /* If we are playing on ICS, the server decides when the
11699 game is over, but the engine can offer to draw, claim
11703 if (appData.zippyPlay && first.initDone) {
11704 if (result == GameIsDrawn) {
11705 /* In case draw still needs to be claimed */
11706 SendToICS(ics_prefix);
11707 SendToICS("draw\n");
11708 } else if (StrCaseStr(resultDetails, "resign")) {
11709 SendToICS(ics_prefix);
11710 SendToICS("resign\n");
11714 endingGame = 0; /* [HGM] crash */
11718 /* If we're loading the game from a file, stop */
11719 if (whosays == GE_FILE) {
11720 (void) StopLoadGameTimer();
11724 /* Cancel draw offers */
11725 first.offeredDraw = second.offeredDraw = 0;
11727 /* If this is an ICS game, only ICS can really say it's done;
11728 if not, anyone can. */
11729 isIcsGame = (gameMode == IcsPlayingWhite ||
11730 gameMode == IcsPlayingBlack ||
11731 gameMode == IcsObserving ||
11732 gameMode == IcsExamining);
11734 if (!isIcsGame || whosays == GE_ICS) {
11735 /* OK -- not an ICS game, or ICS said it was done */
11737 if (!isIcsGame && !appData.noChessProgram)
11738 SetUserThinkingEnables();
11740 /* [HGM] if a machine claims the game end we verify this claim */
11741 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11742 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11744 ChessMove trueResult = (ChessMove) -1;
11746 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11747 first.twoMachinesColor[0] :
11748 second.twoMachinesColor[0] ;
11750 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11751 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11752 /* [HGM] verify: engine mate claims accepted if they were flagged */
11753 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11755 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11756 /* [HGM] verify: engine mate claims accepted if they were flagged */
11757 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11759 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11760 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11763 // now verify win claims, but not in drop games, as we don't understand those yet
11764 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11765 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11766 (result == WhiteWins && claimer == 'w' ||
11767 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11768 if (appData.debugMode) {
11769 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11770 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11772 if(result != trueResult) {
11773 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11774 result = claimer == 'w' ? BlackWins : WhiteWins;
11775 resultDetails = buf;
11778 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11779 && (forwardMostMove <= backwardMostMove ||
11780 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11781 (claimer=='b')==(forwardMostMove&1))
11783 /* [HGM] verify: draws that were not flagged are false claims */
11784 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11785 result = claimer == 'w' ? BlackWins : WhiteWins;
11786 resultDetails = buf;
11788 /* (Claiming a loss is accepted no questions asked!) */
11789 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11790 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11791 result = GameUnfinished;
11792 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11794 /* [HGM] bare: don't allow bare King to win */
11795 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11796 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11797 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11798 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11799 && result != GameIsDrawn)
11800 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11801 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11802 int p = (int)boards[forwardMostMove][i][j] - color;
11803 if(p >= 0 && p <= (int)WhiteKing) k++;
11804 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11806 if (appData.debugMode) {
11807 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11808 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11810 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11811 result = GameIsDrawn;
11812 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11813 resultDetails = buf;
11819 if(serverMoves != NULL && !loadFlag) { char c = '=';
11820 if(result==WhiteWins) c = '+';
11821 if(result==BlackWins) c = '-';
11822 if(resultDetails != NULL)
11823 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11825 if (resultDetails != NULL) {
11826 gameInfo.result = result;
11827 gameInfo.resultDetails = StrSave(resultDetails);
11829 /* display last move only if game was not loaded from file */
11830 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11831 DisplayMove(currentMove - 1);
11833 if (forwardMostMove != 0) {
11834 if (gameMode != PlayFromGameFile && gameMode != EditGame
11835 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11837 if (*appData.saveGameFile != NULLCHAR) {
11838 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11839 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11841 SaveGameToFile(appData.saveGameFile, TRUE);
11842 } else if (appData.autoSaveGames) {
11843 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11845 if (*appData.savePositionFile != NULLCHAR) {
11846 SavePositionToFile(appData.savePositionFile);
11848 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11852 /* Tell program how game ended in case it is learning */
11853 /* [HGM] Moved this to after saving the PGN, just in case */
11854 /* engine died and we got here through time loss. In that */
11855 /* case we will get a fatal error writing the pipe, which */
11856 /* would otherwise lose us the PGN. */
11857 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11858 /* output during GameEnds should never be fatal anymore */
11859 if (gameMode == MachinePlaysWhite ||
11860 gameMode == MachinePlaysBlack ||
11861 gameMode == TwoMachinesPlay ||
11862 gameMode == IcsPlayingWhite ||
11863 gameMode == IcsPlayingBlack ||
11864 gameMode == BeginningOfGame) {
11866 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11868 if (first.pr != NoProc) {
11869 SendToProgram(buf, &first);
11871 if (second.pr != NoProc &&
11872 gameMode == TwoMachinesPlay) {
11873 SendToProgram(buf, &second);
11878 if (appData.icsActive) {
11879 if (appData.quietPlay &&
11880 (gameMode == IcsPlayingWhite ||
11881 gameMode == IcsPlayingBlack)) {
11882 SendToICS(ics_prefix);
11883 SendToICS("set shout 1\n");
11885 nextGameMode = IcsIdle;
11886 ics_user_moved = FALSE;
11887 /* clean up premove. It's ugly when the game has ended and the
11888 * premove highlights are still on the board.
11891 gotPremove = FALSE;
11892 ClearPremoveHighlights();
11893 DrawPosition(FALSE, boards[currentMove]);
11895 if (whosays == GE_ICS) {
11898 if (gameMode == IcsPlayingWhite)
11900 else if(gameMode == IcsPlayingBlack)
11901 PlayIcsLossSound();
11904 if (gameMode == IcsPlayingBlack)
11906 else if(gameMode == IcsPlayingWhite)
11907 PlayIcsLossSound();
11910 PlayIcsDrawSound();
11913 PlayIcsUnfinishedSound();
11916 if(appData.quitNext) { ExitEvent(0); return; }
11917 } else if (gameMode == EditGame ||
11918 gameMode == PlayFromGameFile ||
11919 gameMode == AnalyzeMode ||
11920 gameMode == AnalyzeFile) {
11921 nextGameMode = gameMode;
11923 nextGameMode = EndOfGame;
11928 nextGameMode = gameMode;
11931 if (appData.noChessProgram) {
11932 gameMode = nextGameMode;
11934 endingGame = 0; /* [HGM] crash */
11939 /* Put first chess program into idle state */
11940 if (first.pr != NoProc &&
11941 (gameMode == MachinePlaysWhite ||
11942 gameMode == MachinePlaysBlack ||
11943 gameMode == TwoMachinesPlay ||
11944 gameMode == IcsPlayingWhite ||
11945 gameMode == IcsPlayingBlack ||
11946 gameMode == BeginningOfGame)) {
11947 SendToProgram("force\n", &first);
11948 if (first.usePing) {
11950 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11951 SendToProgram(buf, &first);
11954 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11955 /* Kill off first chess program */
11956 if (first.isr != NULL)
11957 RemoveInputSource(first.isr);
11960 if (first.pr != NoProc) {
11962 DoSleep( appData.delayBeforeQuit );
11963 SendToProgram("quit\n", &first);
11964 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11965 first.reload = TRUE;
11969 if (second.reuse) {
11970 /* Put second chess program into idle state */
11971 if (second.pr != NoProc &&
11972 gameMode == TwoMachinesPlay) {
11973 SendToProgram("force\n", &second);
11974 if (second.usePing) {
11976 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11977 SendToProgram(buf, &second);
11980 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11981 /* Kill off second chess program */
11982 if (second.isr != NULL)
11983 RemoveInputSource(second.isr);
11986 if (second.pr != NoProc) {
11987 DoSleep( appData.delayBeforeQuit );
11988 SendToProgram("quit\n", &second);
11989 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11990 second.reload = TRUE;
11992 second.pr = NoProc;
11995 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11996 char resChar = '=';
12000 if (first.twoMachinesColor[0] == 'w') {
12003 second.matchWins++;
12008 if (first.twoMachinesColor[0] == 'b') {
12011 second.matchWins++;
12014 case GameUnfinished:
12020 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
12021 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
12022 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
12023 ReserveGame(nextGame, resChar); // sets nextGame
12024 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
12025 else ranking = strdup("busy"); //suppress popup when aborted but not finished
12026 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
12028 if (nextGame <= appData.matchGames && !abortMatch) {
12029 gameMode = nextGameMode;
12030 matchGame = nextGame; // this will be overruled in tourney mode!
12031 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
12032 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
12033 endingGame = 0; /* [HGM] crash */
12036 gameMode = nextGameMode;
12038 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
12039 OutputKibitz(2, buf);
12040 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
12041 OutputKibitz(2, buf);
12042 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
12043 if(second.matchWins) OutputKibitz(2, buf);
12044 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
12045 OutputKibitz(2, buf);
12047 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
12048 first.tidy, second.tidy,
12049 first.matchWins, second.matchWins,
12050 appData.matchGames - (first.matchWins + second.matchWins));
12051 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
12052 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
12053 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
12054 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
12055 first.twoMachinesColor = "black\n";
12056 second.twoMachinesColor = "white\n";
12058 first.twoMachinesColor = "white\n";
12059 second.twoMachinesColor = "black\n";
12063 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
12064 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
12066 gameMode = nextGameMode;
12068 endingGame = 0; /* [HGM] crash */
12069 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
12070 if(matchMode == TRUE) { // match through command line: exit with or without popup
12072 ToNrEvent(forwardMostMove);
12073 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
12075 } else DisplayFatalError(buf, 0, 0);
12076 } else { // match through menu; just stop, with or without popup
12077 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
12080 if(strcmp(ranking, "busy")) DisplayNote(ranking);
12081 } else DisplayNote(buf);
12083 if(ranking) free(ranking);
12087 /* Assumes program was just initialized (initString sent).
12088 Leaves program in force mode. */
12090 FeedMovesToProgram (ChessProgramState *cps, int upto)
12094 if (appData.debugMode)
12095 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
12096 startedFromSetupPosition ? "position and " : "",
12097 backwardMostMove, upto, cps->which);
12098 if(currentlyInitializedVariant != gameInfo.variant) {
12100 // [HGM] variantswitch: make engine aware of new variant
12101 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
12102 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
12103 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
12104 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
12105 SendToProgram(buf, cps);
12106 currentlyInitializedVariant = gameInfo.variant;
12108 SendToProgram("force\n", cps);
12109 if (startedFromSetupPosition) {
12110 SendBoard(cps, backwardMostMove);
12111 if (appData.debugMode) {
12112 fprintf(debugFP, "feedMoves\n");
12115 for (i = backwardMostMove; i < upto; i++) {
12116 SendMoveToProgram(i, cps);
12122 ResurrectChessProgram ()
12124 /* The chess program may have exited.
12125 If so, restart it and feed it all the moves made so far. */
12126 static int doInit = 0;
12128 if (appData.noChessProgram) return 1;
12130 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
12131 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
12132 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
12133 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
12135 if (first.pr != NoProc) return 1;
12136 StartChessProgram(&first);
12138 InitChessProgram(&first, FALSE);
12139 FeedMovesToProgram(&first, currentMove);
12141 if (!first.sendTime) {
12142 /* can't tell gnuchess what its clock should read,
12143 so we bow to its notion. */
12145 timeRemaining[0][currentMove] = whiteTimeRemaining;
12146 timeRemaining[1][currentMove] = blackTimeRemaining;
12149 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
12150 appData.icsEngineAnalyze) && first.analysisSupport) {
12151 SendToProgram("analyze\n", &first);
12152 first.analyzing = TRUE;
12158 * Button procedures
12161 Reset (int redraw, int init)
12165 if (appData.debugMode) {
12166 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12167 redraw, init, gameMode);
12169 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12170 deadRanks = 0; // assume entire board is used
12172 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12173 CleanupTail(); // [HGM] vari: delete any stored variations
12174 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12175 pausing = pauseExamInvalid = FALSE;
12176 startedFromSetupPosition = blackPlaysFirst = FALSE;
12178 whiteFlag = blackFlag = FALSE;
12179 userOfferedDraw = FALSE;
12180 hintRequested = bookRequested = FALSE;
12181 first.maybeThinking = FALSE;
12182 second.maybeThinking = FALSE;
12183 first.bookSuspend = FALSE; // [HGM] book
12184 second.bookSuspend = FALSE;
12185 thinkOutput[0] = NULLCHAR;
12186 lastHint[0] = NULLCHAR;
12187 ClearGameInfo(&gameInfo);
12188 gameInfo.variant = StringToVariant(appData.variant);
12189 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12190 gameInfo.variant = VariantUnknown;
12191 strncpy(engineVariant, appData.variant, MSG_SIZ);
12193 ics_user_moved = ics_clock_paused = FALSE;
12194 ics_getting_history = H_FALSE;
12196 white_holding[0] = black_holding[0] = NULLCHAR;
12197 ClearProgramStats();
12198 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12202 flipView = appData.flipView;
12203 ClearPremoveHighlights();
12204 gotPremove = FALSE;
12205 alarmSounded = FALSE;
12206 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12208 GameEnds(EndOfFile, NULL, GE_PLAYER);
12209 if(appData.serverMovesName != NULL) {
12210 /* [HGM] prepare to make moves file for broadcasting */
12211 clock_t t = clock();
12212 if(serverMoves != NULL) fclose(serverMoves);
12213 serverMoves = fopen(appData.serverMovesName, "r");
12214 if(serverMoves != NULL) {
12215 fclose(serverMoves);
12216 /* delay 15 sec before overwriting, so all clients can see end */
12217 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12219 serverMoves = fopen(appData.serverMovesName, "w");
12223 gameMode = BeginningOfGame;
12225 if(appData.icsActive) gameInfo.variant = VariantNormal;
12226 currentMove = forwardMostMove = backwardMostMove = 0;
12227 MarkTargetSquares(1);
12228 InitPosition(redraw);
12229 for (i = 0; i < MAX_MOVES; i++) {
12230 if (commentList[i] != NULL) {
12231 free(commentList[i]);
12232 commentList[i] = NULL;
12236 timeRemaining[0][0] = whiteTimeRemaining;
12237 timeRemaining[1][0] = blackTimeRemaining;
12239 if (first.pr == NoProc) {
12240 StartChessProgram(&first);
12243 InitChessProgram(&first, startedFromSetupPosition);
12246 DisplayMessage("", "");
12247 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12248 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12249 ClearMap(); // [HGM] exclude: invalidate map
12253 AutoPlayGameLoop ()
12256 if (!AutoPlayOneMove())
12258 if (matchMode || appData.timeDelay == 0)
12260 if (appData.timeDelay < 0)
12262 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12270 ReloadGame(1); // next game
12276 int fromX, fromY, toX, toY;
12278 if (appData.debugMode) {
12279 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12282 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12285 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12286 pvInfoList[currentMove].depth = programStats.depth;
12287 pvInfoList[currentMove].score = programStats.score;
12288 pvInfoList[currentMove].time = 0;
12289 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12290 else { // append analysis of final position as comment
12292 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12293 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12295 programStats.depth = 0;
12298 if (currentMove >= forwardMostMove) {
12299 if(gameMode == AnalyzeFile) {
12300 if(appData.loadGameIndex == -1) {
12301 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12302 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12304 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12307 // gameMode = EndOfGame;
12308 // ModeHighlight();
12310 /* [AS] Clear current move marker at the end of a game */
12311 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12316 toX = moveList[currentMove][2] - AAA;
12317 toY = moveList[currentMove][3] - ONE;
12319 if (moveList[currentMove][1] == '@') {
12320 if (appData.highlightLastMove) {
12321 SetHighlights(-1, -1, toX, toY);
12324 fromX = moveList[currentMove][0] - AAA;
12325 fromY = moveList[currentMove][1] - ONE;
12327 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12329 if(moveList[currentMove][4] == ';') { // multi-leg
12330 killX = moveList[currentMove][5] - AAA;
12331 killY = moveList[currentMove][6] - ONE;
12333 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12334 killX = killY = -1;
12336 if (appData.highlightLastMove) {
12337 SetHighlights(fromX, fromY, toX, toY);
12340 DisplayMove(currentMove);
12341 SendMoveToProgram(currentMove++, &first);
12342 DisplayBothClocks();
12343 DrawPosition(FALSE, boards[currentMove]);
12344 // [HGM] PV info: always display, routine tests if empty
12345 DisplayComment(currentMove - 1, commentList[currentMove]);
12351 LoadGameOneMove (ChessMove readAhead)
12353 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12354 char promoChar = NULLCHAR;
12355 ChessMove moveType;
12356 char move[MSG_SIZ];
12359 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12360 gameMode != AnalyzeMode && gameMode != Training) {
12365 yyboardindex = forwardMostMove;
12366 if (readAhead != EndOfFile) {
12367 moveType = readAhead;
12369 if (gameFileFP == NULL)
12371 moveType = (ChessMove) Myylex();
12375 switch (moveType) {
12377 if (appData.debugMode)
12378 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12381 /* append the comment but don't display it */
12382 AppendComment(currentMove, p, FALSE);
12385 case WhiteCapturesEnPassant:
12386 case BlackCapturesEnPassant:
12387 case WhitePromotion:
12388 case BlackPromotion:
12389 case WhiteNonPromotion:
12390 case BlackNonPromotion:
12393 case WhiteKingSideCastle:
12394 case WhiteQueenSideCastle:
12395 case BlackKingSideCastle:
12396 case BlackQueenSideCastle:
12397 case WhiteKingSideCastleWild:
12398 case WhiteQueenSideCastleWild:
12399 case BlackKingSideCastleWild:
12400 case BlackQueenSideCastleWild:
12402 case WhiteHSideCastleFR:
12403 case WhiteASideCastleFR:
12404 case BlackHSideCastleFR:
12405 case BlackASideCastleFR:
12407 if (appData.debugMode)
12408 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12409 fromX = currentMoveString[0] - AAA;
12410 fromY = currentMoveString[1] - ONE;
12411 toX = currentMoveString[2] - AAA;
12412 toY = currentMoveString[3] - ONE;
12413 promoChar = currentMoveString[4];
12414 if(promoChar == ';') promoChar = currentMoveString[7];
12419 if (appData.debugMode)
12420 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12421 fromX = moveType == WhiteDrop ?
12422 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12423 (int) CharToPiece(ToLower(currentMoveString[0]));
12425 toX = currentMoveString[2] - AAA;
12426 toY = currentMoveString[3] - ONE;
12432 case GameUnfinished:
12433 if (appData.debugMode)
12434 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12435 p = strchr(yy_text, '{');
12436 if (p == NULL) p = strchr(yy_text, '(');
12439 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12441 q = strchr(p, *p == '{' ? '}' : ')');
12442 if (q != NULL) *q = NULLCHAR;
12445 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12446 GameEnds(moveType, p, GE_FILE);
12448 if (cmailMsgLoaded) {
12450 flipView = WhiteOnMove(currentMove);
12451 if (moveType == GameUnfinished) flipView = !flipView;
12452 if (appData.debugMode)
12453 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12458 if (appData.debugMode)
12459 fprintf(debugFP, "Parser hit end of file\n");
12460 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12466 if (WhiteOnMove(currentMove)) {
12467 GameEnds(BlackWins, "Black mates", GE_FILE);
12469 GameEnds(WhiteWins, "White mates", GE_FILE);
12473 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12479 case MoveNumberOne:
12480 if (lastLoadGameStart == GNUChessGame) {
12481 /* GNUChessGames have numbers, but they aren't move numbers */
12482 if (appData.debugMode)
12483 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12484 yy_text, (int) moveType);
12485 return LoadGameOneMove(EndOfFile); /* tail recursion */
12487 /* else fall thru */
12492 /* Reached start of next game in file */
12493 if (appData.debugMode)
12494 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12495 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12501 if (WhiteOnMove(currentMove)) {
12502 GameEnds(BlackWins, "Black mates", GE_FILE);
12504 GameEnds(WhiteWins, "White mates", GE_FILE);
12508 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12514 case PositionDiagram: /* should not happen; ignore */
12515 case ElapsedTime: /* ignore */
12516 case NAG: /* ignore */
12517 if (appData.debugMode)
12518 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12519 yy_text, (int) moveType);
12520 return LoadGameOneMove(EndOfFile); /* tail recursion */
12523 if (appData.testLegality) {
12524 if (appData.debugMode)
12525 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12526 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12527 (forwardMostMove / 2) + 1,
12528 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12529 DisplayError(move, 0);
12532 if (appData.debugMode)
12533 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12534 yy_text, currentMoveString);
12535 if(currentMoveString[1] == '@') {
12536 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12539 fromX = currentMoveString[0] - AAA;
12540 fromY = currentMoveString[1] - ONE;
12542 toX = currentMoveString[2] - AAA;
12543 toY = currentMoveString[3] - ONE;
12544 promoChar = currentMoveString[4];
12548 case AmbiguousMove:
12549 if (appData.debugMode)
12550 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12551 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12552 (forwardMostMove / 2) + 1,
12553 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12554 DisplayError(move, 0);
12559 case ImpossibleMove:
12560 if (appData.debugMode)
12561 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12562 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12563 (forwardMostMove / 2) + 1,
12564 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12565 DisplayError(move, 0);
12571 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12572 DrawPosition(FALSE, boards[currentMove]);
12573 DisplayBothClocks();
12574 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12575 DisplayComment(currentMove - 1, commentList[currentMove]);
12577 (void) StopLoadGameTimer();
12579 cmailOldMove = forwardMostMove;
12582 /* currentMoveString is set as a side-effect of yylex */
12584 thinkOutput[0] = NULLCHAR;
12585 MakeMove(fromX, fromY, toX, toY, promoChar);
12586 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12587 currentMove = forwardMostMove;
12592 /* Load the nth game from the given file */
12594 LoadGameFromFile (char *filename, int n, char *title, int useList)
12599 if (strcmp(filename, "-") == 0) {
12603 f = fopen(filename, "rb");
12605 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12606 DisplayError(buf, errno);
12610 if (fseek(f, 0, 0) == -1) {
12611 /* f is not seekable; probably a pipe */
12614 if (useList && n == 0) {
12615 int error = GameListBuild(f);
12617 DisplayError(_("Cannot build game list"), error);
12618 } else if (!ListEmpty(&gameList) &&
12619 ((ListGame *) gameList.tailPred)->number > 1) {
12620 GameListPopUp(f, title);
12627 return LoadGame(f, n, title, FALSE);
12632 MakeRegisteredMove ()
12634 int fromX, fromY, toX, toY;
12636 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12637 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12640 if (appData.debugMode)
12641 fprintf(debugFP, "Restoring %s for game %d\n",
12642 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12644 thinkOutput[0] = NULLCHAR;
12645 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12646 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12647 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12648 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12649 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12650 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12651 MakeMove(fromX, fromY, toX, toY, promoChar);
12652 ShowMove(fromX, fromY, toX, toY);
12654 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12661 if (WhiteOnMove(currentMove)) {
12662 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12664 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12669 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12676 if (WhiteOnMove(currentMove)) {
12677 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12679 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12684 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12695 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12697 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12701 if (gameNumber > nCmailGames) {
12702 DisplayError(_("No more games in this message"), 0);
12705 if (f == lastLoadGameFP) {
12706 int offset = gameNumber - lastLoadGameNumber;
12708 cmailMsg[0] = NULLCHAR;
12709 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12710 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12711 nCmailMovesRegistered--;
12713 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12714 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12715 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12718 if (! RegisterMove()) return FALSE;
12722 retVal = LoadGame(f, gameNumber, title, useList);
12724 /* Make move registered during previous look at this game, if any */
12725 MakeRegisteredMove();
12727 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12728 commentList[currentMove]
12729 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12730 DisplayComment(currentMove - 1, commentList[currentMove]);
12736 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12738 ReloadGame (int offset)
12740 int gameNumber = lastLoadGameNumber + offset;
12741 if (lastLoadGameFP == NULL) {
12742 DisplayError(_("No game has been loaded yet"), 0);
12745 if (gameNumber <= 0) {
12746 DisplayError(_("Can't back up any further"), 0);
12749 if (cmailMsgLoaded) {
12750 return CmailLoadGame(lastLoadGameFP, gameNumber,
12751 lastLoadGameTitle, lastLoadGameUseList);
12753 return LoadGame(lastLoadGameFP, gameNumber,
12754 lastLoadGameTitle, lastLoadGameUseList);
12758 int keys[EmptySquare+1];
12761 PositionMatches (Board b1, Board b2)
12764 switch(appData.searchMode) {
12765 case 1: return CompareWithRights(b1, b2);
12767 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12768 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12772 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12773 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12774 sum += keys[b1[r][f]] - keys[b2[r][f]];
12778 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12779 sum += keys[b1[r][f]] - keys[b2[r][f]];
12791 int pieceList[256], quickBoard[256];
12792 ChessSquare pieceType[256] = { EmptySquare };
12793 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12794 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12795 int soughtTotal, turn;
12796 Boolean epOK, flipSearch;
12799 unsigned char piece, to;
12802 #define DSIZE (250000)
12804 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12805 Move *moveDatabase = initialSpace;
12806 unsigned int movePtr, dataSize = DSIZE;
12809 MakePieceList (Board board, int *counts)
12811 int r, f, n=Q_PROMO, total=0;
12812 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12813 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12814 int sq = f + (r<<4);
12815 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12816 quickBoard[sq] = ++n;
12818 pieceType[n] = board[r][f];
12819 counts[board[r][f]]++;
12820 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12821 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12825 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12830 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12832 int sq = fromX + (fromY<<4);
12833 int piece = quickBoard[sq], rook;
12834 quickBoard[sq] = 0;
12835 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12836 if(piece == pieceList[1] && fromY == toY) {
12837 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12838 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12839 moveDatabase[movePtr++].piece = Q_WCASTL;
12840 quickBoard[sq] = piece;
12841 piece = quickBoard[from]; quickBoard[from] = 0;
12842 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12843 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12844 quickBoard[sq] = 0; // remove Rook
12845 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12846 moveDatabase[movePtr++].piece = Q_WCASTL;
12847 quickBoard[sq] = pieceList[1]; // put King
12849 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12852 if(piece == pieceList[2] && fromY == toY) {
12853 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12854 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12855 moveDatabase[movePtr++].piece = Q_BCASTL;
12856 quickBoard[sq] = piece;
12857 piece = quickBoard[from]; quickBoard[from] = 0;
12858 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12859 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12860 quickBoard[sq] = 0; // remove Rook
12861 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12862 moveDatabase[movePtr++].piece = Q_BCASTL;
12863 quickBoard[sq] = pieceList[2]; // put King
12865 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12868 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12869 quickBoard[(fromY<<4)+toX] = 0;
12870 moveDatabase[movePtr].piece = Q_EP;
12871 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12872 moveDatabase[movePtr].to = sq;
12874 if(promoPiece != pieceType[piece]) {
12875 moveDatabase[movePtr++].piece = Q_PROMO;
12876 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12878 moveDatabase[movePtr].piece = piece;
12879 quickBoard[sq] = piece;
12884 PackGame (Board board)
12886 Move *newSpace = NULL;
12887 moveDatabase[movePtr].piece = 0; // terminate previous game
12888 if(movePtr > dataSize) {
12889 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12890 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12891 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12894 Move *p = moveDatabase, *q = newSpace;
12895 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12896 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12897 moveDatabase = newSpace;
12898 } else { // calloc failed, we must be out of memory. Too bad...
12899 dataSize = 0; // prevent calloc events for all subsequent games
12900 return 0; // and signal this one isn't cached
12904 MakePieceList(board, counts);
12909 QuickCompare (Board board, int *minCounts, int *maxCounts)
12910 { // compare according to search mode
12912 switch(appData.searchMode)
12914 case 1: // exact position match
12915 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12916 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12917 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12920 case 2: // can have extra material on empty squares
12921 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12922 if(board[r][f] == EmptySquare) continue;
12923 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12926 case 3: // material with exact Pawn structure
12927 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12928 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12929 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12930 } // fall through to material comparison
12931 case 4: // exact material
12932 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12934 case 6: // material range with given imbalance
12935 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12936 // fall through to range comparison
12937 case 5: // material range
12938 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12944 QuickScan (Board board, Move *move)
12945 { // reconstruct game,and compare all positions in it
12946 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12948 int piece = move->piece;
12949 int to = move->to, from = pieceList[piece];
12950 if(found < 0) { // if already found just scan to game end for final piece count
12951 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12952 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12953 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12954 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12956 static int lastCounts[EmptySquare+1];
12958 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12959 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12960 } else stretch = 0;
12961 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12962 if(found >= 0 && !appData.minPieces) return found;
12964 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12965 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12966 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12967 piece = (++move)->piece;
12968 from = pieceList[piece];
12969 counts[pieceType[piece]]--;
12970 pieceType[piece] = (ChessSquare) move->to;
12971 counts[move->to]++;
12972 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12973 counts[pieceType[quickBoard[to]]]--;
12974 quickBoard[to] = 0; total--;
12977 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12978 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12979 from = pieceList[piece]; // so this must be King
12980 quickBoard[from] = 0;
12981 pieceList[piece] = to;
12982 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12983 quickBoard[from] = 0; // rook
12984 quickBoard[to] = piece;
12985 to = move->to; piece = move->piece;
12989 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12990 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12991 quickBoard[from] = 0;
12993 quickBoard[to] = piece;
12994 pieceList[piece] = to;
13004 flipSearch = FALSE;
13005 CopyBoard(soughtBoard, boards[currentMove]);
13006 soughtTotal = MakePieceList(soughtBoard, maxSought);
13007 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
13008 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
13009 CopyBoard(reverseBoard, boards[currentMove]);
13010 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
13011 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
13012 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
13013 reverseBoard[r][f] = piece;
13015 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
13016 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
13017 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
13018 || (boards[currentMove][CASTLING][2] == NoRights ||
13019 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
13020 && (boards[currentMove][CASTLING][5] == NoRights ||
13021 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
13024 CopyBoard(flipBoard, soughtBoard);
13025 CopyBoard(rotateBoard, reverseBoard);
13026 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
13027 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
13028 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
13031 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
13032 if(appData.searchMode >= 5) {
13033 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
13034 MakePieceList(soughtBoard, minSought);
13035 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
13037 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
13038 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
13041 GameInfo dummyInfo;
13042 static int creatingBook;
13045 GameContainsPosition (FILE *f, ListGame *lg)
13047 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
13048 int fromX, fromY, toX, toY;
13050 static int initDone=FALSE;
13052 // weed out games based on numerical tag comparison
13053 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
13054 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
13055 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
13056 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
13058 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
13061 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
13062 else CopyBoard(boards[scratch], initialPosition); // default start position
13065 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
13066 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
13069 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13070 fseek(f, lg->offset, 0);
13073 yyboardindex = scratch;
13074 quickFlag = plyNr+1;
13079 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
13085 if(plyNr) return -1; // after we have seen moves, this is for new game
13088 case AmbiguousMove: // we cannot reconstruct the game beyond these two
13089 case ImpossibleMove:
13090 case WhiteWins: // game ends here with these four
13093 case GameUnfinished:
13097 if(appData.testLegality) return -1;
13098 case WhiteCapturesEnPassant:
13099 case BlackCapturesEnPassant:
13100 case WhitePromotion:
13101 case BlackPromotion:
13102 case WhiteNonPromotion:
13103 case BlackNonPromotion:
13106 case WhiteKingSideCastle:
13107 case WhiteQueenSideCastle:
13108 case BlackKingSideCastle:
13109 case BlackQueenSideCastle:
13110 case WhiteKingSideCastleWild:
13111 case WhiteQueenSideCastleWild:
13112 case BlackKingSideCastleWild:
13113 case BlackQueenSideCastleWild:
13114 case WhiteHSideCastleFR:
13115 case WhiteASideCastleFR:
13116 case BlackHSideCastleFR:
13117 case BlackASideCastleFR:
13118 fromX = currentMoveString[0] - AAA;
13119 fromY = currentMoveString[1] - ONE;
13120 toX = currentMoveString[2] - AAA;
13121 toY = currentMoveString[3] - ONE;
13122 promoChar = currentMoveString[4];
13126 fromX = next == WhiteDrop ?
13127 (int) CharToPiece(ToUpper(currentMoveString[0])) :
13128 (int) CharToPiece(ToLower(currentMoveString[0]));
13130 toX = currentMoveString[2] - AAA;
13131 toY = currentMoveString[3] - ONE;
13135 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
13137 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
13138 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13139 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
13140 if(appData.findMirror) {
13141 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
13142 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
13147 /* Load the nth game from open file f */
13149 LoadGame (FILE *f, int gameNumber, char *title, int useList)
13153 int gn = gameNumber;
13154 ListGame *lg = NULL;
13155 int numPGNTags = 0, i;
13157 GameMode oldGameMode;
13158 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13159 char oldName[MSG_SIZ];
13161 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13163 if (appData.debugMode)
13164 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13166 if (gameMode == Training )
13167 SetTrainingModeOff();
13169 oldGameMode = gameMode;
13170 if (gameMode != BeginningOfGame) {
13171 Reset(FALSE, TRUE);
13173 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13176 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13177 fclose(lastLoadGameFP);
13181 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13184 fseek(f, lg->offset, 0);
13185 GameListHighlight(gameNumber);
13186 pos = lg->position;
13190 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13191 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13193 DisplayError(_("Game number out of range"), 0);
13198 if (fseek(f, 0, 0) == -1) {
13199 if (f == lastLoadGameFP ?
13200 gameNumber == lastLoadGameNumber + 1 :
13204 DisplayError(_("Can't seek on game file"), 0);
13209 lastLoadGameFP = f;
13210 lastLoadGameNumber = gameNumber;
13211 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13212 lastLoadGameUseList = useList;
13216 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13217 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13218 lg->gameInfo.black);
13220 } else if (*title != NULLCHAR) {
13221 if (gameNumber > 1) {
13222 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13225 DisplayTitle(title);
13229 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13230 gameMode = PlayFromGameFile;
13234 currentMove = forwardMostMove = backwardMostMove = 0;
13235 CopyBoard(boards[0], initialPosition);
13239 * Skip the first gn-1 games in the file.
13240 * Also skip over anything that precedes an identifiable
13241 * start of game marker, to avoid being confused by
13242 * garbage at the start of the file. Currently
13243 * recognized start of game markers are the move number "1",
13244 * the pattern "gnuchess .* game", the pattern
13245 * "^[#;%] [^ ]* game file", and a PGN tag block.
13246 * A game that starts with one of the latter two patterns
13247 * will also have a move number 1, possibly
13248 * following a position diagram.
13249 * 5-4-02: Let's try being more lenient and allowing a game to
13250 * start with an unnumbered move. Does that break anything?
13252 cm = lastLoadGameStart = EndOfFile;
13254 yyboardindex = forwardMostMove;
13255 cm = (ChessMove) Myylex();
13258 if (cmailMsgLoaded) {
13259 nCmailGames = CMAIL_MAX_GAMES - gn;
13262 DisplayError(_("Game not found in file"), 0);
13269 lastLoadGameStart = cm;
13272 case MoveNumberOne:
13273 switch (lastLoadGameStart) {
13278 case MoveNumberOne:
13280 gn--; /* count this game */
13281 lastLoadGameStart = cm;
13290 switch (lastLoadGameStart) {
13293 case MoveNumberOne:
13295 gn--; /* count this game */
13296 lastLoadGameStart = cm;
13299 lastLoadGameStart = cm; /* game counted already */
13307 yyboardindex = forwardMostMove;
13308 cm = (ChessMove) Myylex();
13309 } while (cm == PGNTag || cm == Comment);
13316 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13317 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13318 != CMAIL_OLD_RESULT) {
13320 cmailResult[ CMAIL_MAX_GAMES
13321 - gn - 1] = CMAIL_OLD_RESULT;
13328 /* Only a NormalMove can be at the start of a game
13329 * without a position diagram. */
13330 if (lastLoadGameStart == EndOfFile ) {
13332 lastLoadGameStart = MoveNumberOne;
13341 if (appData.debugMode)
13342 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13344 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13346 if (cm == XBoardGame) {
13347 /* Skip any header junk before position diagram and/or move 1 */
13349 yyboardindex = forwardMostMove;
13350 cm = (ChessMove) Myylex();
13352 if (cm == EndOfFile ||
13353 cm == GNUChessGame || cm == XBoardGame) {
13354 /* Empty game; pretend end-of-file and handle later */
13359 if (cm == MoveNumberOne || cm == PositionDiagram ||
13360 cm == PGNTag || cm == Comment)
13363 } else if (cm == GNUChessGame) {
13364 if (gameInfo.event != NULL) {
13365 free(gameInfo.event);
13367 gameInfo.event = StrSave(yy_text);
13370 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13371 while (cm == PGNTag) {
13372 if (appData.debugMode)
13373 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13374 err = ParsePGNTag(yy_text, &gameInfo);
13375 if (!err) numPGNTags++;
13377 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13378 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13379 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13380 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13381 InitPosition(TRUE);
13382 oldVariant = gameInfo.variant;
13383 if (appData.debugMode)
13384 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13388 if (gameInfo.fen != NULL) {
13389 Board initial_position;
13390 startedFromSetupPosition = TRUE;
13391 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13393 DisplayError(_("Bad FEN position in file"), 0);
13396 CopyBoard(boards[0], initial_position);
13397 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13398 CopyBoard(initialPosition, initial_position);
13399 if (blackPlaysFirst) {
13400 currentMove = forwardMostMove = backwardMostMove = 1;
13401 CopyBoard(boards[1], initial_position);
13402 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13403 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13404 timeRemaining[0][1] = whiteTimeRemaining;
13405 timeRemaining[1][1] = blackTimeRemaining;
13406 if (commentList[0] != NULL) {
13407 commentList[1] = commentList[0];
13408 commentList[0] = NULL;
13411 currentMove = forwardMostMove = backwardMostMove = 0;
13413 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13415 initialRulePlies = FENrulePlies;
13416 for( i=0; i< nrCastlingRights; i++ )
13417 initialRights[i] = initial_position[CASTLING][i];
13419 yyboardindex = forwardMostMove;
13420 free(gameInfo.fen);
13421 gameInfo.fen = NULL;
13424 yyboardindex = forwardMostMove;
13425 cm = (ChessMove) Myylex();
13427 /* Handle comments interspersed among the tags */
13428 while (cm == Comment) {
13430 if (appData.debugMode)
13431 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13433 AppendComment(currentMove, p, FALSE);
13434 yyboardindex = forwardMostMove;
13435 cm = (ChessMove) Myylex();
13439 /* don't rely on existence of Event tag since if game was
13440 * pasted from clipboard the Event tag may not exist
13442 if (numPGNTags > 0){
13444 if (gameInfo.variant == VariantNormal) {
13445 VariantClass v = StringToVariant(gameInfo.event);
13446 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13447 if(v < VariantShogi) gameInfo.variant = v;
13450 if( appData.autoDisplayTags ) {
13451 tags = PGNTags(&gameInfo);
13452 TagsPopUp(tags, CmailMsg());
13457 /* Make something up, but don't display it now */
13462 if (cm == PositionDiagram) {
13465 Board initial_position;
13467 if (appData.debugMode)
13468 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13470 if (!startedFromSetupPosition) {
13472 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13473 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13484 initial_position[i][j++] = CharToPiece(*p);
13487 while (*p == ' ' || *p == '\t' ||
13488 *p == '\n' || *p == '\r') p++;
13490 if (strncmp(p, "black", strlen("black"))==0)
13491 blackPlaysFirst = TRUE;
13493 blackPlaysFirst = FALSE;
13494 startedFromSetupPosition = TRUE;
13496 CopyBoard(boards[0], initial_position);
13497 if (blackPlaysFirst) {
13498 currentMove = forwardMostMove = backwardMostMove = 1;
13499 CopyBoard(boards[1], initial_position);
13500 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13501 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13502 timeRemaining[0][1] = whiteTimeRemaining;
13503 timeRemaining[1][1] = blackTimeRemaining;
13504 if (commentList[0] != NULL) {
13505 commentList[1] = commentList[0];
13506 commentList[0] = NULL;
13509 currentMove = forwardMostMove = backwardMostMove = 0;
13512 yyboardindex = forwardMostMove;
13513 cm = (ChessMove) Myylex();
13516 if(!creatingBook) {
13517 if (first.pr == NoProc) {
13518 StartChessProgram(&first);
13520 InitChessProgram(&first, FALSE);
13521 if(gameInfo.variant == VariantUnknown && *oldName) {
13522 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13523 gameInfo.variant = v;
13525 SendToProgram("force\n", &first);
13526 if (startedFromSetupPosition) {
13527 SendBoard(&first, forwardMostMove);
13528 if (appData.debugMode) {
13529 fprintf(debugFP, "Load Game\n");
13531 DisplayBothClocks();
13535 /* [HGM] server: flag to write setup moves in broadcast file as one */
13536 loadFlag = appData.suppressLoadMoves;
13538 while (cm == Comment) {
13540 if (appData.debugMode)
13541 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13543 AppendComment(currentMove, p, FALSE);
13544 yyboardindex = forwardMostMove;
13545 cm = (ChessMove) Myylex();
13548 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13549 cm == WhiteWins || cm == BlackWins ||
13550 cm == GameIsDrawn || cm == GameUnfinished) {
13551 DisplayMessage("", _("No moves in game"));
13552 if (cmailMsgLoaded) {
13553 if (appData.debugMode)
13554 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13558 DrawPosition(FALSE, boards[currentMove]);
13559 DisplayBothClocks();
13560 gameMode = EditGame;
13567 // [HGM] PV info: routine tests if comment empty
13568 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13569 DisplayComment(currentMove - 1, commentList[currentMove]);
13571 if (!matchMode && appData.timeDelay != 0)
13572 DrawPosition(FALSE, boards[currentMove]);
13574 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13575 programStats.ok_to_send = 1;
13578 /* if the first token after the PGN tags is a move
13579 * and not move number 1, retrieve it from the parser
13581 if (cm != MoveNumberOne)
13582 LoadGameOneMove(cm);
13584 /* load the remaining moves from the file */
13585 while (LoadGameOneMove(EndOfFile)) {
13586 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13587 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13590 /* rewind to the start of the game */
13591 currentMove = backwardMostMove;
13593 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13595 if (oldGameMode == AnalyzeFile) {
13596 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13597 AnalyzeFileEvent();
13599 if (oldGameMode == AnalyzeMode) {
13600 AnalyzeFileEvent();
13603 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13604 long int w, b; // [HGM] adjourn: restore saved clock times
13605 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13606 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13607 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13608 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13612 if(creatingBook) return TRUE;
13613 if (!matchMode && pos > 0) {
13614 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13616 if (matchMode || appData.timeDelay == 0) {
13618 } else if (appData.timeDelay > 0) {
13619 AutoPlayGameLoop();
13622 if (appData.debugMode)
13623 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13625 loadFlag = 0; /* [HGM] true game starts */
13629 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13631 ReloadPosition (int offset)
13633 int positionNumber = lastLoadPositionNumber + offset;
13634 if (lastLoadPositionFP == NULL) {
13635 DisplayError(_("No position has been loaded yet"), 0);
13638 if (positionNumber <= 0) {
13639 DisplayError(_("Can't back up any further"), 0);
13642 return LoadPosition(lastLoadPositionFP, positionNumber,
13643 lastLoadPositionTitle);
13646 /* Load the nth position from the given file */
13648 LoadPositionFromFile (char *filename, int n, char *title)
13653 if (strcmp(filename, "-") == 0) {
13654 return LoadPosition(stdin, n, "stdin");
13656 f = fopen(filename, "rb");
13658 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13659 DisplayError(buf, errno);
13662 return LoadPosition(f, n, title);
13667 /* Load the nth position from the given open file, and close it */
13669 LoadPosition (FILE *f, int positionNumber, char *title)
13671 char *p, line[MSG_SIZ];
13672 Board initial_position;
13673 int i, j, fenMode, pn;
13675 if (gameMode == Training )
13676 SetTrainingModeOff();
13678 if (gameMode != BeginningOfGame) {
13679 Reset(FALSE, TRUE);
13681 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13682 fclose(lastLoadPositionFP);
13684 if (positionNumber == 0) positionNumber = 1;
13685 lastLoadPositionFP = f;
13686 lastLoadPositionNumber = positionNumber;
13687 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13688 if (first.pr == NoProc && !appData.noChessProgram) {
13689 StartChessProgram(&first);
13690 InitChessProgram(&first, FALSE);
13692 pn = positionNumber;
13693 if (positionNumber < 0) {
13694 /* Negative position number means to seek to that byte offset */
13695 if (fseek(f, -positionNumber, 0) == -1) {
13696 DisplayError(_("Can't seek on position file"), 0);
13701 if (fseek(f, 0, 0) == -1) {
13702 if (f == lastLoadPositionFP ?
13703 positionNumber == lastLoadPositionNumber + 1 :
13704 positionNumber == 1) {
13707 DisplayError(_("Can't seek on position file"), 0);
13712 /* See if this file is FEN or old-style xboard */
13713 if (fgets(line, MSG_SIZ, f) == NULL) {
13714 DisplayError(_("Position not found in file"), 0);
13717 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13718 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13721 if (fenMode || line[0] == '#') pn--;
13723 /* skip positions before number pn */
13724 if (fgets(line, MSG_SIZ, f) == NULL) {
13726 DisplayError(_("Position not found in file"), 0);
13729 if (fenMode || line[0] == '#') pn--;
13735 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13736 DisplayError(_("Bad FEN position in file"), 0);
13739 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13740 sscanf(p+4, "%[^;]", bestMove);
13741 } else *bestMove = NULLCHAR;
13742 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13743 sscanf(p+4, "%[^;]", avoidMove);
13744 } else *avoidMove = NULLCHAR;
13746 (void) fgets(line, MSG_SIZ, f);
13747 (void) fgets(line, MSG_SIZ, f);
13749 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13750 (void) fgets(line, MSG_SIZ, f);
13751 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13754 initial_position[i][j++] = CharToPiece(*p);
13758 blackPlaysFirst = FALSE;
13760 (void) fgets(line, MSG_SIZ, f);
13761 if (strncmp(line, "black", strlen("black"))==0)
13762 blackPlaysFirst = TRUE;
13765 startedFromSetupPosition = TRUE;
13767 CopyBoard(boards[0], initial_position);
13768 if (blackPlaysFirst) {
13769 currentMove = forwardMostMove = backwardMostMove = 1;
13770 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13771 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13772 CopyBoard(boards[1], initial_position);
13773 DisplayMessage("", _("Black to play"));
13775 currentMove = forwardMostMove = backwardMostMove = 0;
13776 DisplayMessage("", _("White to play"));
13778 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13779 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13780 SendToProgram("force\n", &first);
13781 SendBoard(&first, forwardMostMove);
13783 if (appData.debugMode) {
13785 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13786 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13787 fprintf(debugFP, "Load Position\n");
13790 if (positionNumber > 1) {
13791 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13792 DisplayTitle(line);
13794 DisplayTitle(title);
13796 gameMode = EditGame;
13799 timeRemaining[0][1] = whiteTimeRemaining;
13800 timeRemaining[1][1] = blackTimeRemaining;
13801 DrawPosition(FALSE, boards[currentMove]);
13808 CopyPlayerNameIntoFileName (char **dest, char *src)
13810 while (*src != NULLCHAR && *src != ',') {
13815 *(*dest)++ = *src++;
13821 DefaultFileName (char *ext)
13823 static char def[MSG_SIZ];
13826 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13828 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13830 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13832 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13839 /* Save the current game to the given file */
13841 SaveGameToFile (char *filename, int append)
13845 int result, i, t,tot=0;
13847 if (strcmp(filename, "-") == 0) {
13848 return SaveGame(stdout, 0, NULL);
13850 for(i=0; i<10; i++) { // upto 10 tries
13851 f = fopen(filename, append ? "a" : "w");
13852 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13853 if(f || errno != 13) break;
13854 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13858 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13859 DisplayError(buf, errno);
13862 safeStrCpy(buf, lastMsg, MSG_SIZ);
13863 DisplayMessage(_("Waiting for access to save file"), "");
13864 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13865 DisplayMessage(_("Saving game"), "");
13866 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13867 result = SaveGame(f, 0, NULL);
13868 DisplayMessage(buf, "");
13875 SavePart (char *str)
13877 static char buf[MSG_SIZ];
13880 p = strchr(str, ' ');
13881 if (p == NULL) return str;
13882 strncpy(buf, str, p - str);
13883 buf[p - str] = NULLCHAR;
13887 #define PGN_MAX_LINE 75
13889 #define PGN_SIDE_WHITE 0
13890 #define PGN_SIDE_BLACK 1
13893 FindFirstMoveOutOfBook (int side)
13897 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13898 int index = backwardMostMove;
13899 int has_book_hit = 0;
13901 if( (index % 2) != side ) {
13905 while( index < forwardMostMove ) {
13906 /* Check to see if engine is in book */
13907 int depth = pvInfoList[index].depth;
13908 int score = pvInfoList[index].score;
13914 else if( score == 0 && depth == 63 ) {
13915 in_book = 1; /* Zappa */
13917 else if( score == 2 && depth == 99 ) {
13918 in_book = 1; /* Abrok */
13921 has_book_hit += in_book;
13937 GetOutOfBookInfo (char * buf)
13941 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13943 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13944 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13948 if( oob[0] >= 0 || oob[1] >= 0 ) {
13949 for( i=0; i<2; i++ ) {
13953 if( i > 0 && oob[0] >= 0 ) {
13954 strcat( buf, " " );
13957 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13958 sprintf( buf+strlen(buf), "%s%.2f",
13959 pvInfoList[idx].score >= 0 ? "+" : "",
13960 pvInfoList[idx].score / 100.0 );
13966 /* Save game in PGN style */
13968 SaveGamePGN2 (FILE *f)
13970 int i, offset, linelen, newblock;
13973 int movelen, numlen, blank;
13974 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13976 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13978 PrintPGNTags(f, &gameInfo);
13980 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13982 if (backwardMostMove > 0 || startedFromSetupPosition) {
13983 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13984 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13985 fprintf(f, "\n{--------------\n");
13986 PrintPosition(f, backwardMostMove);
13987 fprintf(f, "--------------}\n");
13991 /* [AS] Out of book annotation */
13992 if( appData.saveOutOfBookInfo ) {
13995 GetOutOfBookInfo( buf );
13997 if( buf[0] != '\0' ) {
13998 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
14005 i = backwardMostMove;
14009 while (i < forwardMostMove) {
14010 /* Print comments preceding this move */
14011 if (commentList[i] != NULL) {
14012 if (linelen > 0) fprintf(f, "\n");
14013 fprintf(f, "%s", commentList[i]);
14018 /* Format move number */
14020 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
14023 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
14025 numtext[0] = NULLCHAR;
14027 numlen = strlen(numtext);
14030 /* Print move number */
14031 blank = linelen > 0 && numlen > 0;
14032 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
14041 fprintf(f, "%s", numtext);
14045 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
14046 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
14049 blank = linelen > 0 && movelen > 0;
14050 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
14059 fprintf(f, "%s", move_buffer);
14060 linelen += movelen;
14062 /* [AS] Add PV info if present */
14063 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
14064 /* [HGM] add time */
14065 char buf[MSG_SIZ]; int seconds;
14067 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
14073 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
14076 seconds = (seconds + 4)/10; // round to full seconds
14078 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
14080 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
14083 if(appData.cumulativeTimePGN) {
14084 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
14087 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
14088 pvInfoList[i].score >= 0 ? "+" : "",
14089 pvInfoList[i].score / 100.0,
14090 pvInfoList[i].depth,
14093 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
14095 /* Print score/depth */
14096 blank = linelen > 0 && movelen > 0;
14097 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
14106 fprintf(f, "%s", move_buffer);
14107 linelen += movelen;
14113 /* Start a new line */
14114 if (linelen > 0) fprintf(f, "\n");
14116 /* Print comments after last move */
14117 if (commentList[i] != NULL) {
14118 fprintf(f, "%s\n", commentList[i]);
14122 if (gameInfo.resultDetails != NULL &&
14123 gameInfo.resultDetails[0] != NULLCHAR) {
14124 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
14125 if(gameInfo.result == GameUnfinished && appData.clockMode &&
14126 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
14127 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
14128 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
14130 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14134 /* Save game in PGN style and close the file */
14136 SaveGamePGN (FILE *f)
14140 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14144 /* Save game in old style and close the file */
14146 SaveGameOldStyle (FILE *f)
14151 tm = time((time_t *) NULL);
14153 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14156 if (backwardMostMove > 0 || startedFromSetupPosition) {
14157 fprintf(f, "\n[--------------\n");
14158 PrintPosition(f, backwardMostMove);
14159 fprintf(f, "--------------]\n");
14164 i = backwardMostMove;
14165 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14167 while (i < forwardMostMove) {
14168 if (commentList[i] != NULL) {
14169 fprintf(f, "[%s]\n", commentList[i]);
14172 if ((i % 2) == 1) {
14173 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14176 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14178 if (commentList[i] != NULL) {
14182 if (i >= forwardMostMove) {
14186 fprintf(f, "%s\n", parseList[i]);
14191 if (commentList[i] != NULL) {
14192 fprintf(f, "[%s]\n", commentList[i]);
14195 /* This isn't really the old style, but it's close enough */
14196 if (gameInfo.resultDetails != NULL &&
14197 gameInfo.resultDetails[0] != NULLCHAR) {
14198 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14199 gameInfo.resultDetails);
14201 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14208 /* Save the current game to open file f and close the file */
14210 SaveGame (FILE *f, int dummy, char *dummy2)
14212 if (gameMode == EditPosition) EditPositionDone(TRUE);
14213 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14214 if (appData.oldSaveStyle)
14215 return SaveGameOldStyle(f);
14217 return SaveGamePGN(f);
14220 /* Save the current position to the given file */
14222 SavePositionToFile (char *filename)
14227 if (strcmp(filename, "-") == 0) {
14228 return SavePosition(stdout, 0, NULL);
14230 f = fopen(filename, "a");
14232 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14233 DisplayError(buf, errno);
14236 safeStrCpy(buf, lastMsg, MSG_SIZ);
14237 DisplayMessage(_("Waiting for access to save file"), "");
14238 flock(fileno(f), LOCK_EX); // [HGM] lock
14239 DisplayMessage(_("Saving position"), "");
14240 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14241 SavePosition(f, 0, NULL);
14242 DisplayMessage(buf, "");
14248 /* Save the current position to the given open file and close the file */
14250 SavePosition (FILE *f, int dummy, char *dummy2)
14255 if (gameMode == EditPosition) EditPositionDone(TRUE);
14256 if (appData.oldSaveStyle) {
14257 tm = time((time_t *) NULL);
14259 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14261 fprintf(f, "[--------------\n");
14262 PrintPosition(f, currentMove);
14263 fprintf(f, "--------------]\n");
14265 fen = PositionToFEN(currentMove, NULL, 1);
14266 fprintf(f, "%s\n", fen);
14274 ReloadCmailMsgEvent (int unregister)
14277 static char *inFilename = NULL;
14278 static char *outFilename;
14280 struct stat inbuf, outbuf;
14283 /* Any registered moves are unregistered if unregister is set, */
14284 /* i.e. invoked by the signal handler */
14286 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14287 cmailMoveRegistered[i] = FALSE;
14288 if (cmailCommentList[i] != NULL) {
14289 free(cmailCommentList[i]);
14290 cmailCommentList[i] = NULL;
14293 nCmailMovesRegistered = 0;
14296 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14297 cmailResult[i] = CMAIL_NOT_RESULT;
14301 if (inFilename == NULL) {
14302 /* Because the filenames are static they only get malloced once */
14303 /* and they never get freed */
14304 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14305 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14307 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14308 sprintf(outFilename, "%s.out", appData.cmailGameName);
14311 status = stat(outFilename, &outbuf);
14313 cmailMailedMove = FALSE;
14315 status = stat(inFilename, &inbuf);
14316 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14319 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14320 counts the games, notes how each one terminated, etc.
14322 It would be nice to remove this kludge and instead gather all
14323 the information while building the game list. (And to keep it
14324 in the game list nodes instead of having a bunch of fixed-size
14325 parallel arrays.) Note this will require getting each game's
14326 termination from the PGN tags, as the game list builder does
14327 not process the game moves. --mann
14329 cmailMsgLoaded = TRUE;
14330 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14332 /* Load first game in the file or popup game menu */
14333 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14335 #endif /* !WIN32 */
14343 char string[MSG_SIZ];
14345 if ( cmailMailedMove
14346 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14347 return TRUE; /* Allow free viewing */
14350 /* Unregister move to ensure that we don't leave RegisterMove */
14351 /* with the move registered when the conditions for registering no */
14353 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14354 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14355 nCmailMovesRegistered --;
14357 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14359 free(cmailCommentList[lastLoadGameNumber - 1]);
14360 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14364 if (cmailOldMove == -1) {
14365 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14369 if (currentMove > cmailOldMove + 1) {
14370 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14374 if (currentMove < cmailOldMove) {
14375 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14379 if (forwardMostMove > currentMove) {
14380 /* Silently truncate extra moves */
14384 if ( (currentMove == cmailOldMove + 1)
14385 || ( (currentMove == cmailOldMove)
14386 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14387 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14388 if (gameInfo.result != GameUnfinished) {
14389 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14392 if (commentList[currentMove] != NULL) {
14393 cmailCommentList[lastLoadGameNumber - 1]
14394 = StrSave(commentList[currentMove]);
14396 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14398 if (appData.debugMode)
14399 fprintf(debugFP, "Saving %s for game %d\n",
14400 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14402 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14404 f = fopen(string, "w");
14405 if (appData.oldSaveStyle) {
14406 SaveGameOldStyle(f); /* also closes the file */
14408 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14409 f = fopen(string, "w");
14410 SavePosition(f, 0, NULL); /* also closes the file */
14412 fprintf(f, "{--------------\n");
14413 PrintPosition(f, currentMove);
14414 fprintf(f, "--------------}\n\n");
14416 SaveGame(f, 0, NULL); /* also closes the file*/
14419 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14420 nCmailMovesRegistered ++;
14421 } else if (nCmailGames == 1) {
14422 DisplayError(_("You have not made a move yet"), 0);
14433 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14434 FILE *commandOutput;
14435 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14436 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14442 if (! cmailMsgLoaded) {
14443 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14447 if (nCmailGames == nCmailResults) {
14448 DisplayError(_("No unfinished games"), 0);
14452 #if CMAIL_PROHIBIT_REMAIL
14453 if (cmailMailedMove) {
14454 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);
14455 DisplayError(msg, 0);
14460 if (! (cmailMailedMove || RegisterMove())) return;
14462 if ( cmailMailedMove
14463 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14464 snprintf(string, MSG_SIZ, partCommandString,
14465 appData.debugMode ? " -v" : "", appData.cmailGameName);
14466 commandOutput = popen(string, "r");
14468 if (commandOutput == NULL) {
14469 DisplayError(_("Failed to invoke cmail"), 0);
14471 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14472 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14474 if (nBuffers > 1) {
14475 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14476 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14477 nBytes = MSG_SIZ - 1;
14479 (void) memcpy(msg, buffer, nBytes);
14481 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14483 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14484 cmailMailedMove = TRUE; /* Prevent >1 moves */
14487 for (i = 0; i < nCmailGames; i ++) {
14488 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14493 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14495 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14497 appData.cmailGameName,
14499 LoadGameFromFile(buffer, 1, buffer, FALSE);
14500 cmailMsgLoaded = FALSE;
14504 DisplayInformation(msg);
14505 pclose(commandOutput);
14508 if ((*cmailMsg) != '\0') {
14509 DisplayInformation(cmailMsg);
14514 #endif /* !WIN32 */
14523 int prependComma = 0;
14525 char string[MSG_SIZ]; /* Space for game-list */
14528 if (!cmailMsgLoaded) return "";
14530 if (cmailMailedMove) {
14531 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14533 /* Create a list of games left */
14534 snprintf(string, MSG_SIZ, "[");
14535 for (i = 0; i < nCmailGames; i ++) {
14536 if (! ( cmailMoveRegistered[i]
14537 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14538 if (prependComma) {
14539 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14541 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14545 strcat(string, number);
14548 strcat(string, "]");
14550 if (nCmailMovesRegistered + nCmailResults == 0) {
14551 switch (nCmailGames) {
14553 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14557 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14561 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14566 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14568 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14573 if (nCmailResults == nCmailGames) {
14574 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14576 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14581 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14593 if (gameMode == Training)
14594 SetTrainingModeOff();
14597 cmailMsgLoaded = FALSE;
14598 if (appData.icsActive) {
14599 SendToICS(ics_prefix);
14600 SendToICS("refresh\n");
14605 ExitEvent (int status)
14609 /* Give up on clean exit */
14613 /* Keep trying for clean exit */
14617 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14618 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14620 if (telnetISR != NULL) {
14621 RemoveInputSource(telnetISR);
14623 if (icsPR != NoProc) {
14624 DestroyChildProcess(icsPR, TRUE);
14627 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14628 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14630 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14631 /* make sure this other one finishes before killing it! */
14632 if(endingGame) { int count = 0;
14633 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14634 while(endingGame && count++ < 10) DoSleep(1);
14635 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14638 /* Kill off chess programs */
14639 if (first.pr != NoProc) {
14642 DoSleep( appData.delayBeforeQuit );
14643 SendToProgram("quit\n", &first);
14644 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14646 if (second.pr != NoProc) {
14647 DoSleep( appData.delayBeforeQuit );
14648 SendToProgram("quit\n", &second);
14649 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14651 if (first.isr != NULL) {
14652 RemoveInputSource(first.isr);
14654 if (second.isr != NULL) {
14655 RemoveInputSource(second.isr);
14658 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14659 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14661 ShutDownFrontEnd();
14666 PauseEngine (ChessProgramState *cps)
14668 SendToProgram("pause\n", cps);
14673 UnPauseEngine (ChessProgramState *cps)
14675 SendToProgram("resume\n", cps);
14682 if (appData.debugMode)
14683 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14687 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14689 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14690 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14691 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14693 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14694 HandleMachineMove(stashedInputMove, stalledEngine);
14695 stalledEngine = NULL;
14698 if (gameMode == MachinePlaysWhite ||
14699 gameMode == TwoMachinesPlay ||
14700 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14701 if(first.pause) UnPauseEngine(&first);
14702 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14703 if(second.pause) UnPauseEngine(&second);
14704 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14707 DisplayBothClocks();
14709 if (gameMode == PlayFromGameFile) {
14710 if (appData.timeDelay >= 0)
14711 AutoPlayGameLoop();
14712 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14713 Reset(FALSE, TRUE);
14714 SendToICS(ics_prefix);
14715 SendToICS("refresh\n");
14716 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14717 ForwardInner(forwardMostMove);
14719 pauseExamInvalid = FALSE;
14721 switch (gameMode) {
14725 pauseExamForwardMostMove = forwardMostMove;
14726 pauseExamInvalid = FALSE;
14729 case IcsPlayingWhite:
14730 case IcsPlayingBlack:
14734 case PlayFromGameFile:
14735 (void) StopLoadGameTimer();
14739 case BeginningOfGame:
14740 if (appData.icsActive) return;
14741 /* else fall through */
14742 case MachinePlaysWhite:
14743 case MachinePlaysBlack:
14744 case TwoMachinesPlay:
14745 if (forwardMostMove == 0)
14746 return; /* don't pause if no one has moved */
14747 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14748 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14749 if(onMove->pause) { // thinking engine can be paused
14750 PauseEngine(onMove); // do it
14751 if(onMove->other->pause) // pondering opponent can always be paused immediately
14752 PauseEngine(onMove->other);
14754 SendToProgram("easy\n", onMove->other);
14756 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14757 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14759 PauseEngine(&first);
14761 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14762 } else { // human on move, pause pondering by either method
14764 PauseEngine(&first);
14765 else if(appData.ponderNextMove)
14766 SendToProgram("easy\n", &first);
14769 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14779 EditCommentEvent ()
14781 char title[MSG_SIZ];
14783 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14784 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14786 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14787 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14788 parseList[currentMove - 1]);
14791 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14798 char *tags = PGNTags(&gameInfo);
14800 EditTagsPopUp(tags, NULL);
14807 if(WaitForEngine(&second, StartSecond)) return;
14808 InitChessProgram(&second, FALSE);
14809 FeedMovesToProgram(&second, currentMove);
14811 SendToProgram("analyze\n", &second);
14812 second.analyzing = TRUE;
14819 if(second.analyzing) {
14820 SendToProgram("exit\n", &second);
14821 second.analyzing = FALSE;
14827 /* Toggle ShowThinking */
14829 ToggleShowThinking()
14831 appData.showThinking = !appData.showThinking;
14832 ShowThinkingEvent();
14836 AnalyzeModeEvent ()
14840 if (!first.analysisSupport) {
14841 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14842 DisplayError(buf, 0);
14845 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14846 if (appData.icsActive) {
14847 if (gameMode != IcsObserving) {
14848 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14849 DisplayError(buf, 0);
14851 if (appData.icsEngineAnalyze) {
14852 if (appData.debugMode)
14853 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14859 /* if enable, user wants to disable icsEngineAnalyze */
14860 if (appData.icsEngineAnalyze) {
14865 appData.icsEngineAnalyze = TRUE;
14866 if (appData.debugMode)
14867 fprintf(debugFP, "ICS engine analyze starting... \n");
14870 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14871 if (appData.noChessProgram || gameMode == AnalyzeMode)
14874 if (gameMode != AnalyzeFile) {
14875 if (!appData.icsEngineAnalyze) {
14877 if (gameMode != EditGame) return 0;
14879 if (!appData.showThinking) ToggleShowThinking();
14880 ResurrectChessProgram();
14881 SendToProgram("analyze\n", &first);
14882 first.analyzing = TRUE;
14883 /*first.maybeThinking = TRUE;*/
14884 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14885 EngineOutputPopUp();
14887 if (!appData.icsEngineAnalyze) {
14888 gameMode = AnalyzeMode;
14889 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14895 StartAnalysisClock();
14896 GetTimeMark(&lastNodeCountTime);
14902 AnalyzeFileEvent ()
14904 if (appData.noChessProgram || gameMode == AnalyzeFile)
14907 if (!first.analysisSupport) {
14909 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14910 DisplayError(buf, 0);
14914 if (gameMode != AnalyzeMode) {
14915 keepInfo = 1; // mere annotating should not alter PGN tags
14918 if (gameMode != EditGame) return;
14919 if (!appData.showThinking) ToggleShowThinking();
14920 ResurrectChessProgram();
14921 SendToProgram("analyze\n", &first);
14922 first.analyzing = TRUE;
14923 /*first.maybeThinking = TRUE;*/
14924 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14925 EngineOutputPopUp();
14927 gameMode = AnalyzeFile;
14931 StartAnalysisClock();
14932 GetTimeMark(&lastNodeCountTime);
14934 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14935 AnalysisPeriodicEvent(1);
14939 MachineWhiteEvent ()
14942 char *bookHit = NULL;
14944 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14948 if (gameMode == PlayFromGameFile ||
14949 gameMode == TwoMachinesPlay ||
14950 gameMode == Training ||
14951 gameMode == AnalyzeMode ||
14952 gameMode == EndOfGame)
14955 if (gameMode == EditPosition)
14956 EditPositionDone(TRUE);
14958 if (!WhiteOnMove(currentMove)) {
14959 DisplayError(_("It is not White's turn"), 0);
14963 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14966 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14967 gameMode == AnalyzeFile)
14970 ResurrectChessProgram(); /* in case it isn't running */
14971 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14972 gameMode = MachinePlaysWhite;
14975 gameMode = MachinePlaysWhite;
14979 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14981 if (first.sendName) {
14982 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14983 SendToProgram(buf, &first);
14985 if (first.sendTime) {
14986 if (first.useColors) {
14987 SendToProgram("black\n", &first); /*gnu kludge*/
14989 SendTimeRemaining(&first, TRUE);
14991 if (first.useColors) {
14992 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14994 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14995 SetMachineThinkingEnables();
14996 first.maybeThinking = TRUE;
15000 if (appData.autoFlipView && !flipView) {
15001 flipView = !flipView;
15002 DrawPosition(FALSE, NULL);
15003 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
15006 if(bookHit) { // [HGM] book: simulate book reply
15007 static char bookMove[MSG_SIZ]; // a bit generous?
15009 programStats.nodes = programStats.depth = programStats.time =
15010 programStats.score = programStats.got_only_move = 0;
15011 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15013 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15014 strcat(bookMove, bookHit);
15015 savedMessage = bookMove; // args for deferred call
15016 savedState = &first;
15017 ScheduleDelayedEvent(DeferredBookMove, 1);
15022 MachineBlackEvent ()
15025 char *bookHit = NULL;
15027 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
15031 if (gameMode == PlayFromGameFile ||
15032 gameMode == TwoMachinesPlay ||
15033 gameMode == Training ||
15034 gameMode == AnalyzeMode ||
15035 gameMode == EndOfGame)
15038 if (gameMode == EditPosition)
15039 EditPositionDone(TRUE);
15041 if (WhiteOnMove(currentMove)) {
15042 DisplayError(_("It is not Black's turn"), 0);
15046 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
15049 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15050 gameMode == AnalyzeFile)
15053 ResurrectChessProgram(); /* in case it isn't running */
15054 gameMode = MachinePlaysBlack;
15058 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
15060 if (first.sendName) {
15061 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
15062 SendToProgram(buf, &first);
15064 if (first.sendTime) {
15065 if (first.useColors) {
15066 SendToProgram("white\n", &first); /*gnu kludge*/
15068 SendTimeRemaining(&first, FALSE);
15070 if (first.useColors) {
15071 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
15073 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
15074 SetMachineThinkingEnables();
15075 first.maybeThinking = TRUE;
15078 if (appData.autoFlipView && flipView) {
15079 flipView = !flipView;
15080 DrawPosition(FALSE, NULL);
15081 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
15083 if(bookHit) { // [HGM] book: simulate book reply
15084 static char bookMove[MSG_SIZ]; // a bit generous?
15086 programStats.nodes = programStats.depth = programStats.time =
15087 programStats.score = programStats.got_only_move = 0;
15088 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15090 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15091 strcat(bookMove, bookHit);
15092 savedMessage = bookMove; // args for deferred call
15093 savedState = &first;
15094 ScheduleDelayedEvent(DeferredBookMove, 1);
15100 DisplayTwoMachinesTitle ()
15103 if (appData.matchGames > 0) {
15104 if(appData.tourneyFile[0]) {
15105 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
15106 gameInfo.white, _("vs."), gameInfo.black,
15107 nextGame+1, appData.matchGames+1,
15108 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
15110 if (first.twoMachinesColor[0] == 'w') {
15111 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
15112 gameInfo.white, _("vs."), gameInfo.black,
15113 first.matchWins, second.matchWins,
15114 matchGame - 1 - (first.matchWins + second.matchWins));
15116 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
15117 gameInfo.white, _("vs."), gameInfo.black,
15118 second.matchWins, first.matchWins,
15119 matchGame - 1 - (first.matchWins + second.matchWins));
15122 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
15128 SettingsMenuIfReady ()
15130 if (second.lastPing != second.lastPong) {
15131 DisplayMessage("", _("Waiting for second chess program"));
15132 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
15136 DisplayMessage("", "");
15137 SettingsPopUp(&second);
15141 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
15144 if (cps->pr == NoProc) {
15145 StartChessProgram(cps);
15146 if (cps->protocolVersion == 1) {
15148 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
15150 /* kludge: allow timeout for initial "feature" command */
15151 if(retry != TwoMachinesEventIfReady) FreezeUI();
15152 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
15153 DisplayMessage("", buf);
15154 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
15162 TwoMachinesEvent P((void))
15164 int i, move = forwardMostMove;
15166 ChessProgramState *onmove;
15167 char *bookHit = NULL;
15168 static int stalling = 0;
15172 if (appData.noChessProgram) return;
15174 switch (gameMode) {
15175 case TwoMachinesPlay:
15177 case MachinePlaysWhite:
15178 case MachinePlaysBlack:
15179 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15180 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15184 case BeginningOfGame:
15185 case PlayFromGameFile:
15188 if (gameMode != EditGame) return;
15191 EditPositionDone(TRUE);
15202 // forwardMostMove = currentMove;
15203 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15204 startingEngine = TRUE;
15206 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15208 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15209 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15210 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15214 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15216 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15217 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15218 startingEngine = matchMode = FALSE;
15219 DisplayError("second engine does not play this", 0);
15220 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15221 EditGameEvent(); // switch back to EditGame mode
15226 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15227 SendToProgram("force\n", &second);
15229 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15233 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15234 if(appData.matchPause>10000 || appData.matchPause<10)
15235 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15236 wait = SubtractTimeMarks(&now, &pauseStart);
15237 if(wait < appData.matchPause) {
15238 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15241 // we are now committed to starting the game
15243 DisplayMessage("", "");
15245 if (startedFromSetupPosition) {
15246 SendBoard(&second, backwardMostMove);
15247 if (appData.debugMode) {
15248 fprintf(debugFP, "Two Machines\n");
15251 for (i = backwardMostMove; i < forwardMostMove; i++) {
15252 SendMoveToProgram(i, &second);
15256 gameMode = TwoMachinesPlay;
15257 pausing = startingEngine = FALSE;
15258 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15260 DisplayTwoMachinesTitle();
15262 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15267 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15268 SendToProgram(first.computerString, &first);
15269 if (first.sendName) {
15270 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15271 SendToProgram(buf, &first);
15274 SendToProgram(second.computerString, &second);
15275 if (second.sendName) {
15276 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15277 SendToProgram(buf, &second);
15281 if (!first.sendTime || !second.sendTime || move == 0) { // [HGM] first engine changed sides from Reset, so recalc time odds
15283 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15284 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15286 if (onmove->sendTime) {
15287 if (onmove->useColors) {
15288 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15290 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15292 if (onmove->useColors) {
15293 SendToProgram(onmove->twoMachinesColor, onmove);
15295 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15296 // SendToProgram("go\n", onmove);
15297 onmove->maybeThinking = TRUE;
15298 SetMachineThinkingEnables();
15302 if(bookHit) { // [HGM] book: simulate book reply
15303 static char bookMove[MSG_SIZ]; // a bit generous?
15305 programStats.nodes = programStats.depth = programStats.time =
15306 programStats.score = programStats.got_only_move = 0;
15307 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15309 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15310 strcat(bookMove, bookHit);
15311 savedMessage = bookMove; // args for deferred call
15312 savedState = onmove;
15313 ScheduleDelayedEvent(DeferredBookMove, 1);
15320 if (gameMode == Training) {
15321 SetTrainingModeOff();
15322 gameMode = PlayFromGameFile;
15323 DisplayMessage("", _("Training mode off"));
15325 gameMode = Training;
15326 animateTraining = appData.animate;
15328 /* make sure we are not already at the end of the game */
15329 if (currentMove < forwardMostMove) {
15330 SetTrainingModeOn();
15331 DisplayMessage("", _("Training mode on"));
15333 gameMode = PlayFromGameFile;
15334 DisplayError(_("Already at end of game"), 0);
15343 if (!appData.icsActive) return;
15344 switch (gameMode) {
15345 case IcsPlayingWhite:
15346 case IcsPlayingBlack:
15349 case BeginningOfGame:
15357 EditPositionDone(TRUE);
15370 gameMode = IcsIdle;
15380 switch (gameMode) {
15382 SetTrainingModeOff();
15384 case MachinePlaysWhite:
15385 case MachinePlaysBlack:
15386 case BeginningOfGame:
15387 SendToProgram("force\n", &first);
15388 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15389 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15391 abortEngineThink = TRUE;
15392 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15393 SendToProgram(buf, &first);
15394 DisplayMessage("Aborting engine think", "");
15398 SetUserThinkingEnables();
15400 case PlayFromGameFile:
15401 (void) StopLoadGameTimer();
15402 if (gameFileFP != NULL) {
15407 EditPositionDone(TRUE);
15412 SendToProgram("force\n", &first);
15414 case TwoMachinesPlay:
15415 GameEnds(EndOfFile, NULL, GE_PLAYER);
15416 ResurrectChessProgram();
15417 SetUserThinkingEnables();
15420 ResurrectChessProgram();
15422 case IcsPlayingBlack:
15423 case IcsPlayingWhite:
15424 DisplayError(_("Warning: You are still playing a game"), 0);
15427 DisplayError(_("Warning: You are still observing a game"), 0);
15430 DisplayError(_("Warning: You are still examining a game"), 0);
15441 first.offeredDraw = second.offeredDraw = 0;
15443 if (gameMode == PlayFromGameFile) {
15444 whiteTimeRemaining = timeRemaining[0][currentMove];
15445 blackTimeRemaining = timeRemaining[1][currentMove];
15449 if (gameMode == MachinePlaysWhite ||
15450 gameMode == MachinePlaysBlack ||
15451 gameMode == TwoMachinesPlay ||
15452 gameMode == EndOfGame) {
15453 i = forwardMostMove;
15454 while (i > currentMove) {
15455 SendToProgram("undo\n", &first);
15458 if(!adjustedClock) {
15459 whiteTimeRemaining = timeRemaining[0][currentMove];
15460 blackTimeRemaining = timeRemaining[1][currentMove];
15461 DisplayBothClocks();
15463 if (whiteFlag || blackFlag) {
15464 whiteFlag = blackFlag = 0;
15469 gameMode = EditGame;
15475 EditPositionEvent ()
15478 if (gameMode == EditPosition) {
15484 if (gameMode != EditGame) return;
15486 gameMode = EditPosition;
15489 CopyBoard(rightsBoard, nullBoard);
15490 if (currentMove > 0)
15491 CopyBoard(boards[0], boards[currentMove]);
15492 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15493 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15495 blackPlaysFirst = !WhiteOnMove(currentMove);
15497 currentMove = forwardMostMove = backwardMostMove = 0;
15498 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15500 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15506 /* [DM] icsEngineAnalyze - possible call from other functions */
15507 if (appData.icsEngineAnalyze) {
15508 appData.icsEngineAnalyze = FALSE;
15510 DisplayMessage("",_("Close ICS engine analyze..."));
15512 if (first.analysisSupport && first.analyzing) {
15513 SendToBoth("exit\n");
15514 first.analyzing = second.analyzing = FALSE;
15516 thinkOutput[0] = NULLCHAR;
15520 EditPositionDone (Boolean fakeRights)
15522 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15524 startedFromSetupPosition = TRUE;
15525 InitChessProgram(&first, FALSE);
15526 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15528 boards[0][EP_STATUS] = EP_NONE;
15529 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15530 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15531 if(rightsBoard[r][f]) {
15532 ChessSquare p = boards[0][r][f];
15533 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15534 else if(p == king) boards[0][CASTLING][2] = f;
15535 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15536 else rightsBoard[r][f] = 2; // mark for second pass
15539 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15540 if(rightsBoard[r][f] == 2) {
15541 ChessSquare p = boards[0][r][f];
15542 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15543 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15547 SendToProgram("force\n", &first);
15548 if (blackPlaysFirst) {
15549 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15550 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15551 currentMove = forwardMostMove = backwardMostMove = 1;
15552 CopyBoard(boards[1], boards[0]);
15554 currentMove = forwardMostMove = backwardMostMove = 0;
15556 SendBoard(&first, forwardMostMove);
15557 if (appData.debugMode) {
15558 fprintf(debugFP, "EditPosDone\n");
15561 DisplayMessage("", "");
15562 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15563 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15564 gameMode = EditGame;
15566 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15567 ClearHighlights(); /* [AS] */
15570 /* Pause for `ms' milliseconds */
15571 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15573 TimeDelay (long ms)
15580 } while (SubtractTimeMarks(&m2, &m1) < ms);
15583 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15585 SendMultiLineToICS (char *buf)
15587 char temp[MSG_SIZ+1], *p;
15594 strncpy(temp, buf, len);
15599 if (*p == '\n' || *p == '\r')
15604 strcat(temp, "\n");
15606 SendToPlayer(temp, strlen(temp));
15610 SetWhiteToPlayEvent ()
15612 if (gameMode == EditPosition) {
15613 blackPlaysFirst = FALSE;
15614 DisplayBothClocks(); /* works because currentMove is 0 */
15615 } else if (gameMode == IcsExamining) {
15616 SendToICS(ics_prefix);
15617 SendToICS("tomove white\n");
15622 SetBlackToPlayEvent ()
15624 if (gameMode == EditPosition) {
15625 blackPlaysFirst = TRUE;
15626 currentMove = 1; /* kludge */
15627 DisplayBothClocks();
15629 } else if (gameMode == IcsExamining) {
15630 SendToICS(ics_prefix);
15631 SendToICS("tomove black\n");
15636 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15639 ChessSquare piece = boards[0][y][x];
15640 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15641 static int lastVariant;
15642 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15644 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15646 switch (selection) {
15648 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15649 MarkTargetSquares(1);
15650 CopyBoard(currentBoard, boards[0]);
15651 CopyBoard(menuBoard, initialPosition);
15652 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15653 SendToICS(ics_prefix);
15654 SendToICS("bsetup clear\n");
15655 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15656 SendToICS(ics_prefix);
15657 SendToICS("clearboard\n");
15660 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15661 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15662 for (y = 0; y < BOARD_HEIGHT; y++) {
15663 if (gameMode == IcsExamining) {
15664 if (boards[currentMove][y][x] != EmptySquare) {
15665 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15669 } else if(boards[0][y][x] != DarkSquare) {
15670 if(boards[0][y][x] != p) nonEmpty++;
15671 boards[0][y][x] = p;
15675 CopyBoard(rightsBoard, nullBoard);
15676 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15678 for(r = 0; r < BOARD_HEIGHT; r++) {
15679 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15680 ChessSquare p = menuBoard[r][x];
15681 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15684 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15685 DisplayMessage("Clicking clock again restores position", "");
15686 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15687 if(!nonEmpty) { // asked to clear an empty board
15688 CopyBoard(boards[0], menuBoard);
15690 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15691 CopyBoard(boards[0], initialPosition);
15693 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15694 && !CompareBoards(nullBoard, erasedBoard)) {
15695 CopyBoard(boards[0], erasedBoard);
15697 CopyBoard(erasedBoard, currentBoard);
15699 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15700 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15703 if (gameMode == EditPosition) {
15704 DrawPosition(FALSE, boards[0]);
15709 SetWhiteToPlayEvent();
15713 SetBlackToPlayEvent();
15717 if (gameMode == IcsExamining) {
15718 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15719 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15722 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15723 if(x == BOARD_LEFT-2) {
15724 if(y < handSize-1-gameInfo.holdingsSize) break;
15725 boards[0][y][1] = 0;
15727 if(x == BOARD_RGHT+1) {
15728 if(y >= gameInfo.holdingsSize) break;
15729 boards[0][y][BOARD_WIDTH-2] = 0;
15732 boards[0][y][x] = EmptySquare;
15733 DrawPosition(FALSE, boards[0]);
15738 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15739 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15740 selection = (ChessSquare) (PROMOTED(piece));
15741 } else if(piece == EmptySquare) selection = WhiteSilver;
15742 else selection = (ChessSquare)((int)piece - 1);
15746 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15747 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15748 selection = (ChessSquare) (DEMOTED(piece));
15749 } else if(piece == EmptySquare) selection = BlackSilver;
15750 else selection = (ChessSquare)((int)piece + 1);
15755 if(gameInfo.variant == VariantShatranj ||
15756 gameInfo.variant == VariantXiangqi ||
15757 gameInfo.variant == VariantCourier ||
15758 gameInfo.variant == VariantASEAN ||
15759 gameInfo.variant == VariantMakruk )
15760 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15766 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15767 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15773 if(gameInfo.variant == VariantXiangqi)
15774 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15775 if(gameInfo.variant == VariantKnightmate)
15776 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15777 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15780 if (gameMode == IcsExamining) {
15781 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15782 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15783 PieceToChar(selection), AAA + x, ONE + y);
15786 rightsBoard[y][x] = hasRights;
15787 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15789 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15790 n = PieceToNumber(selection - BlackPawn);
15791 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15792 boards[0][handSize-1-n][0] = selection;
15793 boards[0][handSize-1-n][1]++;
15795 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15796 n = PieceToNumber(selection);
15797 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15798 boards[0][n][BOARD_WIDTH-1] = selection;
15799 boards[0][n][BOARD_WIDTH-2]++;
15802 boards[0][y][x] = selection;
15803 DrawPosition(TRUE, boards[0]);
15805 fromX = fromY = -1;
15813 DropMenuEvent (ChessSquare selection, int x, int y)
15815 ChessMove moveType;
15817 switch (gameMode) {
15818 case IcsPlayingWhite:
15819 case MachinePlaysBlack:
15820 if (!WhiteOnMove(currentMove)) {
15821 DisplayMoveError(_("It is Black's turn"));
15824 moveType = WhiteDrop;
15826 case IcsPlayingBlack:
15827 case MachinePlaysWhite:
15828 if (WhiteOnMove(currentMove)) {
15829 DisplayMoveError(_("It is White's turn"));
15832 moveType = BlackDrop;
15835 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15841 if (moveType == BlackDrop && selection < BlackPawn) {
15842 selection = (ChessSquare) ((int) selection
15843 + (int) BlackPawn - (int) WhitePawn);
15845 if (boards[currentMove][y][x] != EmptySquare) {
15846 DisplayMoveError(_("That square is occupied"));
15850 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15856 /* Accept a pending offer of any kind from opponent */
15858 if (appData.icsActive) {
15859 SendToICS(ics_prefix);
15860 SendToICS("accept\n");
15861 } else if (cmailMsgLoaded) {
15862 if (currentMove == cmailOldMove &&
15863 commentList[cmailOldMove] != NULL &&
15864 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15865 "Black offers a draw" : "White offers a draw")) {
15867 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15868 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15870 DisplayError(_("There is no pending offer on this move"), 0);
15871 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15874 /* Not used for offers from chess program */
15881 /* Decline a pending offer of any kind from opponent */
15883 if (appData.icsActive) {
15884 SendToICS(ics_prefix);
15885 SendToICS("decline\n");
15886 } else if (cmailMsgLoaded) {
15887 if (currentMove == cmailOldMove &&
15888 commentList[cmailOldMove] != NULL &&
15889 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15890 "Black offers a draw" : "White offers a draw")) {
15892 AppendComment(cmailOldMove, "Draw declined", TRUE);
15893 DisplayComment(cmailOldMove - 1, "Draw declined");
15896 DisplayError(_("There is no pending offer on this move"), 0);
15899 /* Not used for offers from chess program */
15906 /* Issue ICS rematch command */
15907 if (appData.icsActive) {
15908 SendToICS(ics_prefix);
15909 SendToICS("rematch\n");
15916 /* Call your opponent's flag (claim a win on time) */
15917 if (appData.icsActive) {
15918 SendToICS(ics_prefix);
15919 SendToICS("flag\n");
15921 switch (gameMode) {
15924 case MachinePlaysWhite:
15927 GameEnds(GameIsDrawn, "Both players ran out of time",
15930 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15932 DisplayError(_("Your opponent is not out of time"), 0);
15935 case MachinePlaysBlack:
15938 GameEnds(GameIsDrawn, "Both players ran out of time",
15941 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15943 DisplayError(_("Your opponent is not out of time"), 0);
15951 ClockClick (int which)
15952 { // [HGM] code moved to back-end from winboard.c
15953 if(which) { // black clock
15954 if (gameMode == EditPosition || gameMode == IcsExamining) {
15955 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15956 SetBlackToPlayEvent();
15957 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15958 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15959 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15960 } else if (shiftKey) {
15961 AdjustClock(which, -1);
15962 } else if (gameMode == IcsPlayingWhite ||
15963 gameMode == MachinePlaysBlack) {
15966 } else { // white clock
15967 if (gameMode == EditPosition || gameMode == IcsExamining) {
15968 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15969 SetWhiteToPlayEvent();
15970 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15971 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15972 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15973 } else if (shiftKey) {
15974 AdjustClock(which, -1);
15975 } else if (gameMode == IcsPlayingBlack ||
15976 gameMode == MachinePlaysWhite) {
15985 /* Offer draw or accept pending draw offer from opponent */
15987 if (appData.icsActive) {
15988 /* Note: tournament rules require draw offers to be
15989 made after you make your move but before you punch
15990 your clock. Currently ICS doesn't let you do that;
15991 instead, you immediately punch your clock after making
15992 a move, but you can offer a draw at any time. */
15994 SendToICS(ics_prefix);
15995 SendToICS("draw\n");
15996 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15997 } else if (cmailMsgLoaded) {
15998 if (currentMove == cmailOldMove &&
15999 commentList[cmailOldMove] != NULL &&
16000 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
16001 "Black offers a draw" : "White offers a draw")) {
16002 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
16003 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
16004 } else if (currentMove == cmailOldMove + 1) {
16005 char *offer = WhiteOnMove(cmailOldMove) ?
16006 "White offers a draw" : "Black offers a draw";
16007 AppendComment(currentMove, offer, TRUE);
16008 DisplayComment(currentMove - 1, offer);
16009 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
16011 DisplayError(_("You must make your move before offering a draw"), 0);
16012 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
16014 } else if (first.offeredDraw) {
16015 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
16017 if (first.sendDrawOffers) {
16018 SendToProgram("draw\n", &first);
16019 userOfferedDraw = TRUE;
16027 /* Offer Adjourn or accept pending Adjourn offer from opponent */
16029 if (appData.icsActive) {
16030 SendToICS(ics_prefix);
16031 SendToICS("adjourn\n");
16033 /* Currently GNU Chess doesn't offer or accept Adjourns */
16041 /* Offer Abort or accept pending Abort offer from opponent */
16043 if (appData.icsActive) {
16044 SendToICS(ics_prefix);
16045 SendToICS("abort\n");
16047 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
16054 /* Resign. You can do this even if it's not your turn. */
16056 if (appData.icsActive) {
16057 SendToICS(ics_prefix);
16058 SendToICS("resign\n");
16060 switch (gameMode) {
16061 case MachinePlaysWhite:
16062 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
16064 case MachinePlaysBlack:
16065 GameEnds(BlackWins, "White resigns", GE_PLAYER);
16068 if (cmailMsgLoaded) {
16070 if (WhiteOnMove(cmailOldMove)) {
16071 GameEnds(BlackWins, "White resigns", GE_PLAYER);
16073 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
16075 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
16086 StopObservingEvent ()
16088 /* Stop observing current games */
16089 SendToICS(ics_prefix);
16090 SendToICS("unobserve\n");
16094 StopExaminingEvent ()
16096 /* Stop observing current game */
16097 SendToICS(ics_prefix);
16098 SendToICS("unexamine\n");
16102 ForwardInner (int target)
16104 int limit; int oldSeekGraphUp = seekGraphUp;
16106 if (appData.debugMode)
16107 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
16108 target, currentMove, forwardMostMove);
16110 if (gameMode == EditPosition)
16113 seekGraphUp = FALSE;
16114 MarkTargetSquares(1);
16115 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16117 if (gameMode == PlayFromGameFile && !pausing)
16120 if (gameMode == IcsExamining && pausing)
16121 limit = pauseExamForwardMostMove;
16123 limit = forwardMostMove;
16125 if (target > limit) target = limit;
16127 if (target > 0 && moveList[target - 1][0]) {
16128 int fromX, fromY, toX, toY;
16129 toX = moveList[target - 1][2] - AAA;
16130 toY = moveList[target - 1][3] - ONE;
16131 if (moveList[target - 1][1] == '@') {
16132 if (appData.highlightLastMove) {
16133 SetHighlights(-1, -1, toX, toY);
16136 fromX = moveList[target - 1][0] - AAA;
16137 fromY = moveList[target - 1][1] - ONE;
16138 if (target == currentMove + 1) {
16139 if(moveList[target - 1][4] == ';') { // multi-leg
16140 killX = moveList[target - 1][5] - AAA;
16141 killY = moveList[target - 1][6] - ONE;
16143 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
16144 killX = killY = -1;
16146 if (appData.highlightLastMove) {
16147 SetHighlights(fromX, fromY, toX, toY);
16151 if (gameMode == EditGame || gameMode == AnalyzeMode ||
16152 gameMode == Training || gameMode == PlayFromGameFile ||
16153 gameMode == AnalyzeFile) {
16154 while (currentMove < target) {
16155 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16156 SendMoveToProgram(currentMove++, &first);
16159 currentMove = target;
16162 if (gameMode == EditGame || gameMode == EndOfGame) {
16163 whiteTimeRemaining = timeRemaining[0][currentMove];
16164 blackTimeRemaining = timeRemaining[1][currentMove];
16166 DisplayBothClocks();
16167 DisplayMove(currentMove - 1);
16168 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16169 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16170 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16171 DisplayComment(currentMove - 1, commentList[currentMove]);
16173 ClearMap(); // [HGM] exclude: invalidate map
16180 if (gameMode == IcsExamining && !pausing) {
16181 SendToICS(ics_prefix);
16182 SendToICS("forward\n");
16184 ForwardInner(currentMove + 1);
16191 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16192 /* to optimze, we temporarily turn off analysis mode while we feed
16193 * the remaining moves to the engine. Otherwise we get analysis output
16196 if (first.analysisSupport) {
16197 SendToProgram("exit\nforce\n", &first);
16198 first.analyzing = FALSE;
16202 if (gameMode == IcsExamining && !pausing) {
16203 SendToICS(ics_prefix);
16204 SendToICS("forward 999999\n");
16206 ForwardInner(forwardMostMove);
16209 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16210 /* we have fed all the moves, so reactivate analysis mode */
16211 SendToProgram("analyze\n", &first);
16212 first.analyzing = TRUE;
16213 /*first.maybeThinking = TRUE;*/
16214 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16219 BackwardInner (int target)
16221 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16223 if (appData.debugMode)
16224 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16225 target, currentMove, forwardMostMove);
16227 if (gameMode == EditPosition) return;
16228 seekGraphUp = FALSE;
16229 MarkTargetSquares(1);
16230 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16231 if (currentMove <= backwardMostMove) {
16233 DrawPosition(full_redraw, boards[currentMove]);
16236 if (gameMode == PlayFromGameFile && !pausing)
16239 if (moveList[target][0]) {
16240 int fromX, fromY, toX, toY;
16241 toX = moveList[target][2] - AAA;
16242 toY = moveList[target][3] - ONE;
16243 if (moveList[target][1] == '@') {
16244 if (appData.highlightLastMove) {
16245 SetHighlights(-1, -1, toX, toY);
16248 fromX = moveList[target][0] - AAA;
16249 fromY = moveList[target][1] - ONE;
16250 if (target == currentMove - 1) {
16251 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16253 if (appData.highlightLastMove) {
16254 SetHighlights(fromX, fromY, toX, toY);
16258 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16259 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16260 while (currentMove > target) {
16261 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16262 // null move cannot be undone. Reload program with move history before it.
16264 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16265 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16267 SendBoard(&first, i);
16268 if(second.analyzing) SendBoard(&second, i);
16269 for(currentMove=i; currentMove<target; currentMove++) {
16270 SendMoveToProgram(currentMove, &first);
16271 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16275 SendToBoth("undo\n");
16279 currentMove = target;
16282 if (gameMode == EditGame || gameMode == EndOfGame) {
16283 whiteTimeRemaining = timeRemaining[0][currentMove];
16284 blackTimeRemaining = timeRemaining[1][currentMove];
16286 DisplayBothClocks();
16287 DisplayMove(currentMove - 1);
16288 DrawPosition(full_redraw, boards[currentMove]);
16289 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16290 // [HGM] PV info: routine tests if comment empty
16291 DisplayComment(currentMove - 1, commentList[currentMove]);
16292 ClearMap(); // [HGM] exclude: invalidate map
16298 if (gameMode == IcsExamining && !pausing) {
16299 SendToICS(ics_prefix);
16300 SendToICS("backward\n");
16302 BackwardInner(currentMove - 1);
16309 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16310 /* to optimize, we temporarily turn off analysis mode while we undo
16311 * all the moves. Otherwise we get analysis output after each undo.
16313 if (first.analysisSupport) {
16314 SendToProgram("exit\nforce\n", &first);
16315 first.analyzing = FALSE;
16319 if (gameMode == IcsExamining && !pausing) {
16320 SendToICS(ics_prefix);
16321 SendToICS("backward 999999\n");
16323 BackwardInner(backwardMostMove);
16326 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16327 /* we have fed all the moves, so reactivate analysis mode */
16328 SendToProgram("analyze\n", &first);
16329 first.analyzing = TRUE;
16330 /*first.maybeThinking = TRUE;*/
16331 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16338 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16339 if (to >= forwardMostMove) to = forwardMostMove;
16340 if (to <= backwardMostMove) to = backwardMostMove;
16341 if (to < currentMove) {
16349 RevertEvent (Boolean annotate)
16351 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16354 if (gameMode != IcsExamining) {
16355 DisplayError(_("You are not examining a game"), 0);
16359 DisplayError(_("You can't revert while pausing"), 0);
16362 SendToICS(ics_prefix);
16363 SendToICS("revert\n");
16367 RetractMoveEvent ()
16369 switch (gameMode) {
16370 case MachinePlaysWhite:
16371 case MachinePlaysBlack:
16372 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16373 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16376 if (forwardMostMove < 2) return;
16377 currentMove = forwardMostMove = forwardMostMove - 2;
16378 whiteTimeRemaining = timeRemaining[0][currentMove];
16379 blackTimeRemaining = timeRemaining[1][currentMove];
16380 DisplayBothClocks();
16381 DisplayMove(currentMove - 1);
16382 ClearHighlights();/*!! could figure this out*/
16383 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16384 SendToProgram("remove\n", &first);
16385 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16388 case BeginningOfGame:
16392 case IcsPlayingWhite:
16393 case IcsPlayingBlack:
16394 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16395 SendToICS(ics_prefix);
16396 SendToICS("takeback 2\n");
16398 SendToICS(ics_prefix);
16399 SendToICS("takeback 1\n");
16408 ChessProgramState *cps;
16410 switch (gameMode) {
16411 case MachinePlaysWhite:
16412 if (!WhiteOnMove(forwardMostMove)) {
16413 DisplayError(_("It is your turn"), 0);
16418 case MachinePlaysBlack:
16419 if (WhiteOnMove(forwardMostMove)) {
16420 DisplayError(_("It is your turn"), 0);
16425 case TwoMachinesPlay:
16426 if (WhiteOnMove(forwardMostMove) ==
16427 (first.twoMachinesColor[0] == 'w')) {
16433 case BeginningOfGame:
16437 SendToProgram("?\n", cps);
16441 TruncateGameEvent ()
16444 if (gameMode != EditGame) return;
16451 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16452 if (forwardMostMove > currentMove) {
16453 if (gameInfo.resultDetails != NULL) {
16454 free(gameInfo.resultDetails);
16455 gameInfo.resultDetails = NULL;
16456 gameInfo.result = GameUnfinished;
16458 forwardMostMove = currentMove;
16459 HistorySet(parseList, backwardMostMove, forwardMostMove,
16467 if (appData.noChessProgram) return;
16468 switch (gameMode) {
16469 case MachinePlaysWhite:
16470 if (WhiteOnMove(forwardMostMove)) {
16471 DisplayError(_("Wait until your turn."), 0);
16475 case BeginningOfGame:
16476 case MachinePlaysBlack:
16477 if (!WhiteOnMove(forwardMostMove)) {
16478 DisplayError(_("Wait until your turn."), 0);
16483 DisplayError(_("No hint available"), 0);
16486 SendToProgram("hint\n", &first);
16487 hintRequested = TRUE;
16491 SaveSelected (FILE *g, int dummy, char *dummy2)
16493 ListGame * lg = (ListGame *) gameList.head;
16497 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16498 DisplayError(_("Game list not loaded or empty"), 0);
16502 creatingBook = TRUE; // suppresses stuff during load game
16504 /* Get list size */
16505 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16506 if(lg->position >= 0) { // selected?
16507 LoadGame(f, nItem, "", TRUE);
16508 SaveGamePGN2(g); // leaves g open
16511 lg = (ListGame *) lg->node.succ;
16515 creatingBook = FALSE;
16523 ListGame * lg = (ListGame *) gameList.head;
16526 static int secondTime = FALSE;
16528 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16529 DisplayError(_("Game list not loaded or empty"), 0);
16533 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16536 DisplayNote(_("Book file exists! Try again for overwrite."));
16540 creatingBook = TRUE;
16541 secondTime = FALSE;
16543 /* Get list size */
16544 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16545 if(lg->position >= 0) {
16546 LoadGame(f, nItem, "", TRUE);
16547 AddGameToBook(TRUE);
16550 lg = (ListGame *) lg->node.succ;
16553 creatingBook = FALSE;
16560 if (appData.noChessProgram) return;
16561 switch (gameMode) {
16562 case MachinePlaysWhite:
16563 if (WhiteOnMove(forwardMostMove)) {
16564 DisplayError(_("Wait until your turn."), 0);
16568 case BeginningOfGame:
16569 case MachinePlaysBlack:
16570 if (!WhiteOnMove(forwardMostMove)) {
16571 DisplayError(_("Wait until your turn."), 0);
16576 EditPositionDone(TRUE);
16578 case TwoMachinesPlay:
16583 SendToProgram("bk\n", &first);
16584 bookOutput[0] = NULLCHAR;
16585 bookRequested = TRUE;
16591 char *tags = PGNTags(&gameInfo);
16592 TagsPopUp(tags, CmailMsg());
16596 /* end button procedures */
16599 PrintPosition (FILE *fp, int move)
16603 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16604 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16605 char c = PieceToChar(boards[move][i][j]);
16606 fputc(c == '?' ? '.' : c, fp);
16607 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16610 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16611 fprintf(fp, "white to play\n");
16613 fprintf(fp, "black to play\n");
16617 PrintOpponents (FILE *fp)
16619 if (gameInfo.white != NULL) {
16620 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16626 /* Find last component of program's own name, using some heuristics */
16628 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16631 int local = (strcmp(host, "localhost") == 0);
16632 while (!local && (p = strchr(prog, ';')) != NULL) {
16634 while (*p == ' ') p++;
16637 if (*prog == '"' || *prog == '\'') {
16638 q = strchr(prog + 1, *prog);
16640 q = strchr(prog, ' ');
16642 if (q == NULL) q = prog + strlen(prog);
16644 while (p >= prog && *p != '/' && *p != '\\') p--;
16646 if(p == prog && *p == '"') p++;
16648 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16649 memcpy(buf, p, q - p);
16650 buf[q - p] = NULLCHAR;
16658 TimeControlTagValue ()
16661 if (!appData.clockMode) {
16662 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16663 } else if (movesPerSession > 0) {
16664 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16665 } else if (timeIncrement == 0) {
16666 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16668 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16670 return StrSave(buf);
16676 /* This routine is used only for certain modes */
16677 VariantClass v = gameInfo.variant;
16678 ChessMove r = GameUnfinished;
16681 if(keepInfo) return;
16683 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16684 r = gameInfo.result;
16685 p = gameInfo.resultDetails;
16686 gameInfo.resultDetails = NULL;
16688 ClearGameInfo(&gameInfo);
16689 gameInfo.variant = v;
16691 switch (gameMode) {
16692 case MachinePlaysWhite:
16693 gameInfo.event = StrSave( appData.pgnEventHeader );
16694 gameInfo.site = StrSave(HostName());
16695 gameInfo.date = PGNDate();
16696 gameInfo.round = StrSave("-");
16697 gameInfo.white = StrSave(first.tidy);
16698 gameInfo.black = StrSave(UserName());
16699 gameInfo.timeControl = TimeControlTagValue();
16702 case MachinePlaysBlack:
16703 gameInfo.event = StrSave( appData.pgnEventHeader );
16704 gameInfo.site = StrSave(HostName());
16705 gameInfo.date = PGNDate();
16706 gameInfo.round = StrSave("-");
16707 gameInfo.white = StrSave(UserName());
16708 gameInfo.black = StrSave(first.tidy);
16709 gameInfo.timeControl = TimeControlTagValue();
16712 case TwoMachinesPlay:
16713 gameInfo.event = StrSave( appData.pgnEventHeader );
16714 gameInfo.site = StrSave(HostName());
16715 gameInfo.date = PGNDate();
16718 snprintf(buf, MSG_SIZ, "%d", roundNr);
16719 gameInfo.round = StrSave(buf);
16721 gameInfo.round = StrSave("-");
16723 if (first.twoMachinesColor[0] == 'w') {
16724 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16725 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16727 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16728 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16730 gameInfo.timeControl = TimeControlTagValue();
16734 gameInfo.event = StrSave("Edited game");
16735 gameInfo.site = StrSave(HostName());
16736 gameInfo.date = PGNDate();
16737 gameInfo.round = StrSave("-");
16738 gameInfo.white = StrSave("-");
16739 gameInfo.black = StrSave("-");
16740 gameInfo.result = r;
16741 gameInfo.resultDetails = p;
16745 gameInfo.event = StrSave("Edited position");
16746 gameInfo.site = StrSave(HostName());
16747 gameInfo.date = PGNDate();
16748 gameInfo.round = StrSave("-");
16749 gameInfo.white = StrSave("-");
16750 gameInfo.black = StrSave("-");
16753 case IcsPlayingWhite:
16754 case IcsPlayingBlack:
16759 case PlayFromGameFile:
16760 gameInfo.event = StrSave("Game from non-PGN file");
16761 gameInfo.site = StrSave(HostName());
16762 gameInfo.date = PGNDate();
16763 gameInfo.round = StrSave("-");
16764 gameInfo.white = StrSave("?");
16765 gameInfo.black = StrSave("?");
16774 ReplaceComment (int index, char *text)
16780 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16781 pvInfoList[index-1].depth == len &&
16782 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16783 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16784 while (*text == '\n') text++;
16785 len = strlen(text);
16786 while (len > 0 && text[len - 1] == '\n') len--;
16788 if (commentList[index] != NULL)
16789 free(commentList[index]);
16792 commentList[index] = NULL;
16795 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16796 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16797 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16798 commentList[index] = (char *) malloc(len + 2);
16799 strncpy(commentList[index], text, len);
16800 commentList[index][len] = '\n';
16801 commentList[index][len + 1] = NULLCHAR;
16803 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16805 commentList[index] = (char *) malloc(len + 7);
16806 safeStrCpy(commentList[index], "{\n", 3);
16807 safeStrCpy(commentList[index]+2, text, len+1);
16808 commentList[index][len+2] = NULLCHAR;
16809 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16810 strcat(commentList[index], "\n}\n");
16815 CrushCRs (char *text)
16823 if (ch == '\r') continue;
16825 } while (ch != '\0');
16829 AppendComment (int index, char *text, Boolean addBraces)
16830 /* addBraces tells if we should add {} */
16835 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16836 if(addBraces == 3) addBraces = 0; else // force appending literally
16837 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16840 while (*text == '\n') text++;
16841 len = strlen(text);
16842 while (len > 0 && text[len - 1] == '\n') len--;
16843 text[len] = NULLCHAR;
16845 if (len == 0) return;
16847 if (commentList[index] != NULL) {
16848 Boolean addClosingBrace = addBraces;
16849 old = commentList[index];
16850 oldlen = strlen(old);
16851 while(commentList[index][oldlen-1] == '\n')
16852 commentList[index][--oldlen] = NULLCHAR;
16853 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16854 safeStrCpy(commentList[index], old, oldlen + len + 6);
16856 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16857 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16858 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16859 while (*text == '\n') { text++; len--; }
16860 commentList[index][--oldlen] = NULLCHAR;
16862 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16863 else strcat(commentList[index], "\n");
16864 strcat(commentList[index], text);
16865 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16866 else strcat(commentList[index], "\n");
16868 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16870 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16871 else commentList[index][0] = NULLCHAR;
16872 strcat(commentList[index], text);
16873 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16874 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16879 FindStr (char * text, char * sub_text)
16881 char * result = strstr( text, sub_text );
16883 if( result != NULL ) {
16884 result += strlen( sub_text );
16890 /* [AS] Try to extract PV info from PGN comment */
16891 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16893 GetInfoFromComment (int index, char * text)
16895 char * sep = text, *p;
16897 if( text != NULL && index > 0 ) {
16900 int time = -1, sec = 0, deci;
16901 char * s_eval = FindStr( text, "[%eval " );
16902 char * s_emt = FindStr( text, "[%emt " );
16904 if( s_eval != NULL || s_emt != NULL ) {
16906 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16911 if( s_eval != NULL ) {
16912 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16916 if( delim != ']' ) {
16921 if( s_emt != NULL ) {
16926 /* We expect something like: [+|-]nnn.nn/dd */
16929 if(*text != '{') return text; // [HGM] braces: must be normal comment
16931 sep = strchr( text, '/' );
16932 if( sep == NULL || sep < (text+4) ) {
16937 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16938 if(p[1] == '(') { // comment starts with PV
16939 p = strchr(p, ')'); // locate end of PV
16940 if(p == NULL || sep < p+5) return text;
16941 // at this point we have something like "{(.*) +0.23/6 ..."
16942 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16943 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16944 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16946 time = -1; sec = -1; deci = -1;
16947 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16948 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16949 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16950 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16954 if( score_lo < 0 || score_lo >= 100 ) {
16958 if(sec >= 0) time = 600*time + 10*sec; else
16959 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16961 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16963 /* [HGM] PV time: now locate end of PV info */
16964 while( *++sep >= '0' && *sep <= '9'); // strip depth
16966 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16968 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16970 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16971 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16982 pvInfoList[index-1].depth = depth;
16983 pvInfoList[index-1].score = score;
16984 pvInfoList[index-1].time = 10*time; // centi-sec
16985 if(*sep == '}') *sep = 0; else *--sep = '{';
16987 while(*p++ = *sep++)
16990 } // squeeze out space between PV and comment, and return both
16996 SendToProgram (char *message, ChessProgramState *cps)
16998 int count, outCount, error;
17001 if (cps->pr == NoProc) return;
17004 if (appData.debugMode) {
17007 fprintf(debugFP, "%ld >%-6s: %s",
17008 SubtractTimeMarks(&now, &programStartTime),
17009 cps->which, message);
17011 fprintf(serverFP, "%ld >%-6s: %s",
17012 SubtractTimeMarks(&now, &programStartTime),
17013 cps->which, message), fflush(serverFP);
17016 count = strlen(message);
17017 outCount = OutputToProcess(cps->pr, message, count, &error);
17018 if (outCount < count && !exiting
17019 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
17020 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
17021 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
17022 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
17023 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
17024 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
17025 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
17026 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
17028 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
17029 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
17030 gameInfo.result = res;
17032 gameInfo.resultDetails = StrSave(buf);
17034 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
17035 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
17040 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
17044 ChessProgramState *cps = (ChessProgramState *)closure;
17046 if (isr != cps->isr) return; /* Killed intentionally */
17049 RemoveInputSource(cps->isr);
17050 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
17051 _(cps->which), cps->program);
17052 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
17053 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
17054 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
17055 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
17056 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
17057 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
17059 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
17060 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
17061 gameInfo.result = res;
17063 gameInfo.resultDetails = StrSave(buf);
17065 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
17066 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
17068 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
17069 _(cps->which), cps->program);
17070 RemoveInputSource(cps->isr);
17072 /* [AS] Program is misbehaving badly... kill it */
17073 if( count == -2 ) {
17074 DestroyChildProcess( cps->pr, 9 );
17078 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
17083 if ((end_str = strchr(message, '\r')) != NULL)
17084 *end_str = NULLCHAR;
17085 if ((end_str = strchr(message, '\n')) != NULL)
17086 *end_str = NULLCHAR;
17088 if (appData.debugMode) {
17089 TimeMark now; int print = 1;
17090 char *quote = ""; char c; int i;
17092 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
17093 char start = message[0];
17094 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
17095 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
17096 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
17097 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
17098 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
17099 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
17100 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
17101 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
17102 sscanf(message, "hint: %c", &c)!=1 &&
17103 sscanf(message, "pong %c", &c)!=1 && start != '#') {
17104 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
17105 print = (appData.engineComments >= 2);
17107 message[0] = start; // restore original message
17111 fprintf(debugFP, "%ld <%-6s: %s%s\n",
17112 SubtractTimeMarks(&now, &programStartTime), cps->which,
17116 fprintf(serverFP, "%ld <%-6s: %s%s\n",
17117 SubtractTimeMarks(&now, &programStartTime), cps->which,
17119 message), fflush(serverFP);
17123 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
17124 if (appData.icsEngineAnalyze) {
17125 if (strstr(message, "whisper") != NULL ||
17126 strstr(message, "kibitz") != NULL ||
17127 strstr(message, "tellics") != NULL) return;
17130 HandleMachineMove(message, cps);
17135 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
17140 if( timeControl_2 > 0 ) {
17141 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
17142 tc = timeControl_2;
17145 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
17146 inc /= cps->timeOdds;
17147 st /= cps->timeOdds;
17149 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
17152 /* Set exact time per move, normally using st command */
17153 if (cps->stKludge) {
17154 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
17156 if (seconds == 0) {
17157 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
17159 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
17162 snprintf(buf, MSG_SIZ, "st %d\n", st);
17165 /* Set conventional or incremental time control, using level command */
17166 if (seconds == 0) {
17167 /* Note old gnuchess bug -- minutes:seconds used to not work.
17168 Fixed in later versions, but still avoid :seconds
17169 when seconds is 0. */
17170 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17172 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17173 seconds, inc/1000.);
17176 SendToProgram(buf, cps);
17178 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17179 /* Orthogonally, limit search to given depth */
17181 if (cps->sdKludge) {
17182 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17184 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17186 SendToProgram(buf, cps);
17189 if(cps->nps >= 0) { /* [HGM] nps */
17190 if(cps->supportsNPS == FALSE)
17191 cps->nps = -1; // don't use if engine explicitly says not supported!
17193 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17194 SendToProgram(buf, cps);
17199 ChessProgramState *
17201 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17203 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17204 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17210 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17212 char message[MSG_SIZ];
17215 /* Note: this routine must be called when the clocks are stopped
17216 or when they have *just* been set or switched; otherwise
17217 it will be off by the time since the current tick started.
17219 if (machineWhite) {
17220 time = whiteTimeRemaining / 10;
17221 otime = blackTimeRemaining / 10;
17223 time = blackTimeRemaining / 10;
17224 otime = whiteTimeRemaining / 10;
17226 /* [HGM] translate opponent's time by time-odds factor */
17227 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17229 if (time <= 0) time = 1;
17230 if (otime <= 0) otime = 1;
17232 snprintf(message, MSG_SIZ, "time %ld\n", time);
17233 SendToProgram(message, cps);
17235 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17236 SendToProgram(message, cps);
17240 EngineDefinedVariant (ChessProgramState *cps, int n)
17241 { // return name of n-th unknown variant that engine supports
17242 static char buf[MSG_SIZ];
17243 char *p, *s = cps->variants;
17244 if(!s) return NULL;
17245 do { // parse string from variants feature
17247 p = strchr(s, ',');
17248 if(p) *p = NULLCHAR;
17249 v = StringToVariant(s);
17250 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17251 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17252 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17253 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17254 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17255 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17256 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17259 if(n < 0) return buf;
17265 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17268 int len = strlen(name);
17271 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17273 sscanf(*p, "%d", &val);
17275 while (**p && **p != ' ')
17277 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17278 SendToProgram(buf, cps);
17285 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17288 int len = strlen(name);
17289 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17291 sscanf(*p, "%d", loc);
17292 while (**p && **p != ' ') (*p)++;
17293 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17294 SendToProgram(buf, cps);
17301 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17304 int len = strlen(name);
17305 if (strncmp((*p), name, len) == 0
17306 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17308 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
17309 FREE(*loc); *loc = malloc(len);
17310 strncpy(*loc, *p, len);
17311 sscanf(*p, "%[^\"]", *loc); // should always fit, because we allocated at least strlen(*p)
17312 while (**p && **p != '\"') (*p)++;
17313 if (**p == '\"') (*p)++;
17314 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17315 SendToProgram(buf, cps);
17322 ParseOption (Option *opt, ChessProgramState *cps)
17323 // [HGM] options: process the string that defines an engine option, and determine
17324 // name, type, default value, and allowed value range
17326 char *p, *q, buf[MSG_SIZ];
17327 int n, min = (-1)<<31, max = 1<<31, def;
17329 opt->target = &opt->value; // OK for spin/slider and checkbox
17330 if(p = strstr(opt->name, " -spin ")) {
17331 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17332 if(max < min) max = min; // enforce consistency
17333 if(def < min) def = min;
17334 if(def > max) def = max;
17339 } else if((p = strstr(opt->name, " -slider "))) {
17340 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17341 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17342 if(max < min) max = min; // enforce consistency
17343 if(def < min) def = min;
17344 if(def > max) def = max;
17348 opt->type = Spin; // Slider;
17349 } else if((p = strstr(opt->name, " -string "))) {
17350 opt->textValue = p+9;
17351 opt->type = TextBox;
17352 opt->target = &opt->textValue;
17353 } else if((p = strstr(opt->name, " -file "))) {
17354 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17355 opt->target = opt->textValue = p+7;
17356 opt->type = FileName; // FileName;
17357 opt->target = &opt->textValue;
17358 } else if((p = strstr(opt->name, " -path "))) {
17359 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17360 opt->target = opt->textValue = p+7;
17361 opt->type = PathName; // PathName;
17362 opt->target = &opt->textValue;
17363 } else if(p = strstr(opt->name, " -check ")) {
17364 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17365 opt->value = (def != 0);
17366 opt->type = CheckBox;
17367 } else if(p = strstr(opt->name, " -combo ")) {
17368 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17369 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17370 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17371 opt->value = n = 0;
17372 while(q = StrStr(q, " /// ")) {
17373 n++; *q = 0; // count choices, and null-terminate each of them
17375 if(*q == '*') { // remember default, which is marked with * prefix
17379 cps->comboList[cps->comboCnt++] = q;
17381 cps->comboList[cps->comboCnt++] = NULL;
17383 opt->type = ComboBox;
17384 } else if(p = strstr(opt->name, " -button")) {
17385 opt->type = Button;
17386 } else if(p = strstr(opt->name, " -save")) {
17387 opt->type = SaveButton;
17388 } else return FALSE;
17389 *p = 0; // terminate option name
17390 *(int*) (opt->name + MSG_SIZ - 104) = opt->value; // hide default values somewhere
17391 if(opt->target == &opt->textValue) strncpy(opt->name + MSG_SIZ - 100, opt->textValue, 99);
17392 // now look if the command-line options define a setting for this engine option.
17393 if(cps->optionSettings && cps->optionSettings[0])
17394 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17395 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17396 snprintf(buf, MSG_SIZ, "option %s", p);
17397 if(p = strstr(buf, ",")) *p = 0;
17398 if(q = strchr(buf, '=')) switch(opt->type) {
17400 for(n=0; n<opt->max; n++)
17401 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17406 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17410 opt->value = atoi(q+1);
17415 SendToProgram(buf, cps);
17421 FeatureDone (ChessProgramState *cps, int val)
17423 DelayedEventCallback cb = GetDelayedEvent();
17424 if ((cb == InitBackEnd3 && cps == &first) ||
17425 (cb == SettingsMenuIfReady && cps == &second) ||
17426 (cb == LoadEngine) || (cb == StartSecond) ||
17427 (cb == TwoMachinesEventIfReady)) {
17428 CancelDelayedEvent();
17429 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17430 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17431 cps->initDone = val;
17432 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17435 /* Parse feature command from engine */
17437 ParseFeatures (char *args, ChessProgramState *cps)
17445 while (*p == ' ') p++;
17446 if (*p == NULLCHAR) return;
17448 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17449 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17450 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17451 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17452 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17453 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17454 if (BoolFeature(&p, "reuse", &val, cps)) {
17455 /* Engine can disable reuse, but can't enable it if user said no */
17456 if (!val) cps->reuse = FALSE;
17459 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17460 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17461 if (gameMode == TwoMachinesPlay) {
17462 DisplayTwoMachinesTitle();
17468 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17469 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17470 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17471 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17472 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17473 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17474 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17475 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17476 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17477 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17478 if (IntFeature(&p, "done", &val, cps)) {
17479 FeatureDone(cps, val);
17482 /* Added by Tord: */
17483 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17484 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17485 /* End of additions by Tord */
17487 /* [HGM] added features: */
17488 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17489 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17490 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17491 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17492 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17493 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17494 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17495 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17496 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17497 if(cps->nrOptions == 0) { ASSIGN(cps->option[0].name, _("Make Persistent -save")); ParseOption(&(cps->option[cps->nrOptions++]), cps); }
17498 FREE(cps->option[cps->nrOptions].name);
17499 cps->option[cps->nrOptions].name = q; q = NULL;
17500 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17501 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17502 SendToProgram(buf, cps);
17505 if(cps->nrOptions >= MAX_OPTIONS) {
17507 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17508 DisplayError(buf, 0);
17512 /* End of additions by HGM */
17514 /* unknown feature: complain and skip */
17516 while (*q && *q != '=') q++;
17517 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17518 SendToProgram(buf, cps);
17524 while (*p && *p != '\"') p++;
17525 if (*p == '\"') p++;
17527 while (*p && *p != ' ') p++;
17535 PeriodicUpdatesEvent (int newState)
17537 if (newState == appData.periodicUpdates)
17540 appData.periodicUpdates=newState;
17542 /* Display type changes, so update it now */
17543 // DisplayAnalysis();
17545 /* Get the ball rolling again... */
17547 AnalysisPeriodicEvent(1);
17548 StartAnalysisClock();
17553 PonderNextMoveEvent (int newState)
17555 if (newState == appData.ponderNextMove) return;
17556 if (gameMode == EditPosition) EditPositionDone(TRUE);
17558 SendToProgram("hard\n", &first);
17559 if (gameMode == TwoMachinesPlay) {
17560 SendToProgram("hard\n", &second);
17563 SendToProgram("easy\n", &first);
17564 thinkOutput[0] = NULLCHAR;
17565 if (gameMode == TwoMachinesPlay) {
17566 SendToProgram("easy\n", &second);
17569 appData.ponderNextMove = newState;
17573 NewSettingEvent (int option, int *feature, char *command, int value)
17577 if (gameMode == EditPosition) EditPositionDone(TRUE);
17578 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17579 if(feature == NULL || *feature) SendToProgram(buf, &first);
17580 if (gameMode == TwoMachinesPlay) {
17581 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17586 ShowThinkingEvent ()
17587 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17589 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17590 int newState = appData.showThinking
17591 // [HGM] thinking: other features now need thinking output as well
17592 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17594 if (oldState == newState) return;
17595 oldState = newState;
17596 if (gameMode == EditPosition) EditPositionDone(TRUE);
17598 SendToProgram("post\n", &first);
17599 if (gameMode == TwoMachinesPlay) {
17600 SendToProgram("post\n", &second);
17603 SendToProgram("nopost\n", &first);
17604 thinkOutput[0] = NULLCHAR;
17605 if (gameMode == TwoMachinesPlay) {
17606 SendToProgram("nopost\n", &second);
17609 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17613 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17615 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17616 if (pr == NoProc) return;
17617 AskQuestion(title, question, replyPrefix, pr);
17621 TypeInEvent (char firstChar)
17623 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17624 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17625 gameMode == AnalyzeMode || gameMode == EditGame ||
17626 gameMode == EditPosition || gameMode == IcsExamining ||
17627 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17628 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17629 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17630 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17631 gameMode == Training) PopUpMoveDialog(firstChar);
17635 TypeInDoneEvent (char *move)
17638 int n, fromX, fromY, toX, toY;
17640 ChessMove moveType;
17643 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17644 EditPositionPasteFEN(move);
17647 // [HGM] movenum: allow move number to be typed in any mode
17648 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17652 // undocumented kludge: allow command-line option to be typed in!
17653 // (potentially fatal, and does not implement the effect of the option.)
17654 // should only be used for options that are values on which future decisions will be made,
17655 // and definitely not on options that would be used during initialization.
17656 if(strstr(move, "!!! -") == move) {
17657 ParseArgsFromString(move+4);
17661 if (gameMode != EditGame && currentMove != forwardMostMove &&
17662 gameMode != Training) {
17663 DisplayMoveError(_("Displayed move is not current"));
17665 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17666 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17667 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17668 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17669 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17670 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17672 DisplayMoveError(_("Could not parse move"));
17678 DisplayMove (int moveNumber)
17680 char message[MSG_SIZ];
17682 char cpThinkOutput[MSG_SIZ];
17684 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17686 if (moveNumber == forwardMostMove - 1 ||
17687 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17689 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17691 if (strchr(cpThinkOutput, '\n')) {
17692 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17695 *cpThinkOutput = NULLCHAR;
17698 /* [AS] Hide thinking from human user */
17699 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17700 *cpThinkOutput = NULLCHAR;
17701 if( thinkOutput[0] != NULLCHAR ) {
17704 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17705 cpThinkOutput[i] = '.';
17707 cpThinkOutput[i] = NULLCHAR;
17708 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17712 if (moveNumber == forwardMostMove - 1 &&
17713 gameInfo.resultDetails != NULL) {
17714 if (gameInfo.resultDetails[0] == NULLCHAR) {
17715 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17717 snprintf(res, MSG_SIZ, " {%s} %s",
17718 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17724 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17725 DisplayMessage(res, cpThinkOutput);
17727 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17728 WhiteOnMove(moveNumber) ? " " : ".. ",
17729 parseList[moveNumber], res);
17730 DisplayMessage(message, cpThinkOutput);
17735 DisplayComment (int moveNumber, char *text)
17737 char title[MSG_SIZ];
17739 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17740 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17742 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17743 WhiteOnMove(moveNumber) ? " " : ".. ",
17744 parseList[moveNumber]);
17746 if (text != NULL && (appData.autoDisplayComment || commentUp))
17747 CommentPopUp(title, text);
17750 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17751 * might be busy thinking or pondering. It can be omitted if your
17752 * gnuchess is configured to stop thinking immediately on any user
17753 * input. However, that gnuchess feature depends on the FIONREAD
17754 * ioctl, which does not work properly on some flavors of Unix.
17757 Attention (ChessProgramState *cps)
17760 if (!cps->useSigint) return;
17761 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17762 switch (gameMode) {
17763 case MachinePlaysWhite:
17764 case MachinePlaysBlack:
17765 case TwoMachinesPlay:
17766 case IcsPlayingWhite:
17767 case IcsPlayingBlack:
17770 /* Skip if we know it isn't thinking */
17771 if (!cps->maybeThinking) return;
17772 if (appData.debugMode)
17773 fprintf(debugFP, "Interrupting %s\n", cps->which);
17774 InterruptChildProcess(cps->pr);
17775 cps->maybeThinking = FALSE;
17780 #endif /*ATTENTION*/
17786 if (whiteTimeRemaining <= 0) {
17789 if (appData.icsActive) {
17790 if (appData.autoCallFlag &&
17791 gameMode == IcsPlayingBlack && !blackFlag) {
17792 SendToICS(ics_prefix);
17793 SendToICS("flag\n");
17797 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17799 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17800 if (appData.autoCallFlag) {
17801 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17808 if (blackTimeRemaining <= 0) {
17811 if (appData.icsActive) {
17812 if (appData.autoCallFlag &&
17813 gameMode == IcsPlayingWhite && !whiteFlag) {
17814 SendToICS(ics_prefix);
17815 SendToICS("flag\n");
17819 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17821 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17822 if (appData.autoCallFlag) {
17823 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17834 CheckTimeControl ()
17836 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17837 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17840 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17842 if ( !WhiteOnMove(forwardMostMove) ) {
17843 /* White made time control */
17844 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17845 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17846 /* [HGM] time odds: correct new time quota for time odds! */
17847 / WhitePlayer()->timeOdds;
17848 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17850 lastBlack -= blackTimeRemaining;
17851 /* Black made time control */
17852 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17853 / WhitePlayer()->other->timeOdds;
17854 lastWhite = whiteTimeRemaining;
17859 DisplayBothClocks ()
17861 int wom = gameMode == EditPosition ?
17862 !blackPlaysFirst : WhiteOnMove(currentMove);
17863 DisplayWhiteClock(whiteTimeRemaining, wom);
17864 DisplayBlackClock(blackTimeRemaining, !wom);
17868 /* Timekeeping seems to be a portability nightmare. I think everyone
17869 has ftime(), but I'm really not sure, so I'm including some ifdefs
17870 to use other calls if you don't. Clocks will be less accurate if
17871 you have neither ftime nor gettimeofday.
17874 /* VS 2008 requires the #include outside of the function */
17875 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17876 #include <sys/timeb.h>
17879 /* Get the current time as a TimeMark */
17881 GetTimeMark (TimeMark *tm)
17883 #if HAVE_GETTIMEOFDAY
17885 struct timeval timeVal;
17886 struct timezone timeZone;
17888 gettimeofday(&timeVal, &timeZone);
17889 tm->sec = (long) timeVal.tv_sec;
17890 tm->ms = (int) (timeVal.tv_usec / 1000L);
17892 #else /*!HAVE_GETTIMEOFDAY*/
17895 // include <sys/timeb.h> / moved to just above start of function
17896 struct timeb timeB;
17899 tm->sec = (long) timeB.time;
17900 tm->ms = (int) timeB.millitm;
17902 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17903 tm->sec = (long) time(NULL);
17909 /* Return the difference in milliseconds between two
17910 time marks. We assume the difference will fit in a long!
17913 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17915 return 1000L*(tm2->sec - tm1->sec) +
17916 (long) (tm2->ms - tm1->ms);
17921 * Code to manage the game clocks.
17923 * In tournament play, black starts the clock and then white makes a move.
17924 * We give the human user a slight advantage if he is playing white---the
17925 * clocks don't run until he makes his first move, so it takes zero time.
17926 * Also, we don't account for network lag, so we could get out of sync
17927 * with GNU Chess's clock -- but then, referees are always right.
17930 static TimeMark tickStartTM;
17931 static long intendedTickLength;
17934 NextTickLength (long timeRemaining)
17936 long nominalTickLength, nextTickLength;
17938 if (timeRemaining > 0L && timeRemaining <= 10000L)
17939 nominalTickLength = 100L;
17941 nominalTickLength = 1000L;
17942 nextTickLength = timeRemaining % nominalTickLength;
17943 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17945 return nextTickLength;
17948 /* Adjust clock one minute up or down */
17950 AdjustClock (Boolean which, int dir)
17952 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17953 if(which) blackTimeRemaining += 60000*dir;
17954 else whiteTimeRemaining += 60000*dir;
17955 DisplayBothClocks();
17956 adjustedClock = TRUE;
17959 /* Stop clocks and reset to a fresh time control */
17963 (void) StopClockTimer();
17964 if (appData.icsActive) {
17965 whiteTimeRemaining = blackTimeRemaining = 0;
17966 } else if (searchTime) {
17967 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17968 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17969 } else { /* [HGM] correct new time quote for time odds */
17970 whiteTC = blackTC = fullTimeControlString;
17971 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17972 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17974 if (whiteFlag || blackFlag) {
17976 whiteFlag = blackFlag = FALSE;
17978 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17979 DisplayBothClocks();
17980 adjustedClock = FALSE;
17983 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17985 static int timeSuffix; // [HGM] This should realy be a passed parameter, but it has to pass through too many levels for my laziness...
17987 /* Decrement running clock by amount of time that has passed */
17992 long lastTickLength, fudge;
17995 if (!appData.clockMode) return;
17996 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
18000 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18002 /* Fudge if we woke up a little too soon */
18003 fudge = intendedTickLength - lastTickLength;
18004 if (fudge < 0 || fudge > FUDGE) fudge = 0;
18006 if (WhiteOnMove(forwardMostMove)) {
18007 if(whiteNPS >= 0) lastTickLength = 0;
18008 tRemaining = whiteTimeRemaining -= lastTickLength;
18009 if( tRemaining < 0 && !appData.icsActive) {
18010 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
18011 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
18012 whiteStartMove = forwardMostMove; whiteTC = nextSession;
18013 lastWhite= tRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
18016 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[0][forwardMostMove-1] - tRemaining;
18017 DisplayWhiteClock(whiteTimeRemaining - fudge,
18018 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
18021 if(blackNPS >= 0) lastTickLength = 0;
18022 tRemaining = blackTimeRemaining -= lastTickLength;
18023 if( tRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
18024 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
18026 blackStartMove = forwardMostMove;
18027 lastBlack = tRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
18030 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[1][forwardMostMove-1] - tRemaining;
18031 DisplayBlackClock(blackTimeRemaining - fudge,
18032 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
18035 if (CheckFlags()) return;
18037 if(twoBoards) { // count down secondary board's clocks as well
18038 activePartnerTime -= lastTickLength;
18040 if(activePartner == 'W')
18041 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
18043 DisplayBlackClock(activePartnerTime, TRUE);
18048 intendedTickLength = NextTickLength( tRemaining - fudge) + fudge;
18049 StartClockTimer(intendedTickLength);
18051 /* if the time remaining has fallen below the alarm threshold, sound the
18052 * alarm. if the alarm has sounded and (due to a takeback or time control
18053 * with increment) the time remaining has increased to a level above the
18054 * threshold, reset the alarm so it can sound again.
18057 if (appData.icsActive && appData.icsAlarm) {
18059 /* make sure we are dealing with the user's clock */
18060 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
18061 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
18064 if (alarmSounded && ( tRemaining > appData.icsAlarmTime)) {
18065 alarmSounded = FALSE;
18066 } else if (!alarmSounded && ( tRemaining <= appData.icsAlarmTime)) {
18068 alarmSounded = TRUE;
18074 /* A player has just moved, so stop the previously running
18075 clock and (if in clock mode) start the other one.
18076 We redisplay both clocks in case we're in ICS mode, because
18077 ICS gives us an update to both clocks after every move.
18078 Note that this routine is called *after* forwardMostMove
18079 is updated, so the last fractional tick must be subtracted
18080 from the color that is *not* on move now.
18083 SwitchClocks (int newMoveNr)
18085 long lastTickLength;
18087 int flagged = FALSE;
18091 if (StopClockTimer() && appData.clockMode) {
18092 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18093 if (!WhiteOnMove(forwardMostMove)) {
18094 if(blackNPS >= 0) lastTickLength = 0;
18095 blackTimeRemaining -= lastTickLength;
18096 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
18097 // if(pvInfoList[forwardMostMove].time == -1)
18098 pvInfoList[forwardMostMove].time = // use GUI time
18099 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
18101 if(whiteNPS >= 0) lastTickLength = 0;
18102 whiteTimeRemaining -= lastTickLength;
18103 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
18104 // if(pvInfoList[forwardMostMove].time == -1)
18105 pvInfoList[forwardMostMove].time =
18106 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
18108 flagged = CheckFlags();
18110 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
18111 CheckTimeControl();
18113 if (flagged || !appData.clockMode) return;
18115 switch (gameMode) {
18116 case MachinePlaysBlack:
18117 case MachinePlaysWhite:
18118 case BeginningOfGame:
18119 if (pausing) return;
18123 case PlayFromGameFile:
18131 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
18132 if(WhiteOnMove(forwardMostMove))
18133 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
18134 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
18138 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18139 whiteTimeRemaining : blackTimeRemaining);
18140 StartClockTimer(intendedTickLength);
18144 /* Stop both clocks */
18148 long lastTickLength;
18151 if (!StopClockTimer()) return;
18152 if (!appData.clockMode) return;
18156 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18157 if (WhiteOnMove(forwardMostMove)) {
18158 if(whiteNPS >= 0) lastTickLength = 0;
18159 whiteTimeRemaining -= lastTickLength;
18160 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
18162 if(blackNPS >= 0) lastTickLength = 0;
18163 blackTimeRemaining -= lastTickLength;
18164 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
18169 /* Start clock of player on move. Time may have been reset, so
18170 if clock is already running, stop and restart it. */
18174 (void) StopClockTimer(); /* in case it was running already */
18175 DisplayBothClocks();
18176 if (CheckFlags()) return;
18178 if (!appData.clockMode) return;
18179 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18181 GetTimeMark(&tickStartTM);
18182 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18183 whiteTimeRemaining : blackTimeRemaining);
18185 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18186 whiteNPS = blackNPS = -1;
18187 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18188 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18189 whiteNPS = first.nps;
18190 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18191 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18192 blackNPS = first.nps;
18193 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18194 whiteNPS = second.nps;
18195 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18196 blackNPS = second.nps;
18197 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18199 StartClockTimer(intendedTickLength);
18203 TimeString (long ms)
18205 long second, minute, hour, day;
18207 static char buf[40], moveTime[8];
18209 if (ms > 0 && ms <= 9900) {
18210 /* convert milliseconds to tenths, rounding up */
18211 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18213 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18217 /* convert milliseconds to seconds, rounding up */
18218 /* use floating point to avoid strangeness of integer division
18219 with negative dividends on many machines */
18220 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18227 day = second / (60 * 60 * 24);
18228 second = second % (60 * 60 * 24);
18229 hour = second / (60 * 60);
18230 second = second % (60 * 60);
18231 minute = second / 60;
18232 second = second % 60;
18234 if(timeSuffix) snprintf(moveTime, 8, " (%d)", timeSuffix/1000); // [HGM] kludge alert; fraction contains move time
18235 else *moveTime = NULLCHAR;
18238 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld%s ",
18239 sign, day, hour, minute, second, moveTime);
18241 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld%s ", sign, hour, minute, second, moveTime);
18243 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld%s ", sign, minute, second, moveTime);
18250 * This is necessary because some C libraries aren't ANSI C compliant yet.
18253 StrStr (char *string, char *match)
18257 length = strlen(match);
18259 for (i = strlen(string) - length; i >= 0; i--, string++)
18260 if (!strncmp(match, string, length))
18267 StrCaseStr (char *string, char *match)
18271 length = strlen(match);
18273 for (i = strlen(string) - length; i >= 0; i--, string++) {
18274 for (j = 0; j < length; j++) {
18275 if (ToLower(match[j]) != ToLower(string[j]))
18278 if (j == length) return string;
18286 StrCaseCmp (char *s1, char *s2)
18291 c1 = ToLower(*s1++);
18292 c2 = ToLower(*s2++);
18293 if (c1 > c2) return 1;
18294 if (c1 < c2) return -1;
18295 if (c1 == NULLCHAR) return 0;
18303 return isupper(c) ? tolower(c) : c;
18310 return islower(c) ? toupper(c) : c;
18312 #endif /* !_amigados */
18319 if ((ret = (char *) malloc(strlen(s) + 1)))
18321 safeStrCpy(ret, s, strlen(s)+1);
18327 StrSavePtr (char *s, char **savePtr)
18332 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18333 safeStrCpy(*savePtr, s, strlen(s)+1);
18345 clock = time((time_t *)NULL);
18346 tm = localtime(&clock);
18347 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18348 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18349 return StrSave(buf);
18354 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18356 int i, j, fromX, fromY, toX, toY;
18357 int whiteToPlay, haveRights = nrCastlingRights;
18363 whiteToPlay = (gameMode == EditPosition) ?
18364 !blackPlaysFirst : (move % 2 == 0);
18367 /* Piece placement data */
18368 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18369 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18371 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18372 if (boards[move][i][j] == EmptySquare) {
18374 } else { ChessSquare piece = boards[move][i][j];
18375 if (emptycount > 0) {
18376 if(emptycount<10) /* [HGM] can be >= 10 */
18377 *p++ = '0' + emptycount;
18378 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18381 if(PieceToChar(piece) == '+') {
18382 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18384 piece = (ChessSquare)(CHUDEMOTED(piece));
18386 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18387 if(*p = PieceSuffix(piece)) p++;
18389 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18390 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18395 if (emptycount > 0) {
18396 if(emptycount<10) /* [HGM] can be >= 10 */
18397 *p++ = '0' + emptycount;
18398 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18405 /* [HGM] print Crazyhouse or Shogi holdings */
18406 if( gameInfo.holdingsWidth ) {
18407 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18409 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18410 piece = boards[move][i][BOARD_WIDTH-1];
18411 if( piece != EmptySquare )
18412 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18413 *p++ = PieceToChar(piece);
18415 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18416 piece = boards[move][handSize-i-1][0];
18417 if( piece != EmptySquare )
18418 for(j=0; j<(int) boards[move][handSize-i-1][1]; j++)
18419 *p++ = PieceToChar(piece);
18422 if( q == p ) *p++ = '-';
18428 *p++ = whiteToPlay ? 'w' : 'b';
18431 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18432 haveRights = 0; q = p;
18433 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18434 piece = boards[move][0][i];
18435 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18436 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18439 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18440 piece = boards[move][BOARD_HEIGHT-1][i];
18441 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18442 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18445 if(p == q) *p++ = '-';
18449 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18452 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18455 int handW=0, handB=0;
18456 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18457 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18458 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18461 if(appData.fischerCastling) {
18462 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18463 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18464 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18466 /* [HGM] write directly from rights */
18467 if(boards[move][CASTLING][2] != NoRights &&
18468 boards[move][CASTLING][0] != NoRights )
18469 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18470 if(boards[move][CASTLING][2] != NoRights &&
18471 boards[move][CASTLING][1] != NoRights )
18472 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18475 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18476 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18478 if(boards[move][CASTLING][5] != NoRights &&
18479 boards[move][CASTLING][3] != NoRights )
18480 *p++ = boards[move][CASTLING][3] + AAA;
18481 if(boards[move][CASTLING][5] != NoRights &&
18482 boards[move][CASTLING][4] != NoRights )
18483 *p++ = boards[move][CASTLING][4] + AAA;
18487 /* [HGM] write true castling rights */
18488 if( nrCastlingRights == 6 ) {
18490 if(boards[move][CASTLING][0] != NoRights &&
18491 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18492 q = (boards[move][CASTLING][1] != NoRights &&
18493 boards[move][CASTLING][2] != NoRights );
18494 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18495 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18496 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18497 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18501 if(boards[move][CASTLING][3] != NoRights &&
18502 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18503 q = (boards[move][CASTLING][4] != NoRights &&
18504 boards[move][CASTLING][5] != NoRights );
18506 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18507 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18508 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18513 if (q == p) *p++ = '-'; /* No castling rights */
18517 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18518 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18519 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18520 /* En passant target square */
18521 if (move > backwardMostMove) {
18522 fromX = moveList[move - 1][0] - AAA;
18523 fromY = moveList[move - 1][1] - ONE;
18524 toX = moveList[move - 1][2] - AAA;
18525 toY = moveList[move - 1][3] - ONE;
18526 if ((whiteToPlay ? toY < fromY - 1 : toY > fromY + 1) &&
18527 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) ) {
18528 /* 2-square pawn move just happened */
18529 *p++ = (3*toX + 5*fromX + 4)/8 + AAA;
18530 *p++ = (3*toY + 5*fromY + 4)/8 + ONE;
18531 if(gameInfo.variant == VariantBerolina) {
18538 } else if(move == backwardMostMove) {
18539 // [HGM] perhaps we should always do it like this, and forget the above?
18540 if((signed char)boards[move][EP_STATUS] >= 0) {
18541 *p++ = boards[move][EP_STATUS] + AAA;
18542 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18553 i = boards[move][CHECK_COUNT];
18555 sprintf(p, "%d+%d ", i&255, i>>8);
18560 { int i = 0, j=move;
18562 /* [HGM] find reversible plies */
18563 if (appData.debugMode) { int k;
18564 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18565 for(k=backwardMostMove; k<=forwardMostMove; k++)
18566 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18570 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18571 if( j == backwardMostMove ) i += initialRulePlies;
18572 sprintf(p, "%d ", i);
18573 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18575 /* Fullmove number */
18576 sprintf(p, "%d", (move / 2) + 1);
18577 } else *--p = NULLCHAR;
18579 return StrSave(buf);
18583 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18585 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18587 int emptycount, virgin[BOARD_FILES];
18588 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18592 for(i=1; i<=deadRanks; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) board[BOARD_HEIGHT-i][j] = DarkSquare;
18594 /* Piece placement data */
18595 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18598 if (*p == '/' || *p == ' ' || *p == '[' ) {
18600 emptycount = gameInfo.boardWidth - j;
18601 while (emptycount--)
18602 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18603 if (*p == '/') p++;
18604 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18605 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18606 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18608 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18611 #if(BOARD_FILES >= 10)*0
18612 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18613 p++; emptycount=10;
18614 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18615 while (emptycount--)
18616 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18618 } else if (*p == '*') {
18619 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18620 } else if (isdigit(*p)) {
18621 emptycount = *p++ - '0';
18622 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18623 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18624 while (emptycount--)
18625 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18626 } else if (*p == '<') {
18627 if(i == BOARD_HEIGHT-1) shuffle = 1;
18628 else if (i != 0 || !shuffle) return FALSE;
18630 } else if (shuffle && *p == '>') {
18631 p++; // for now ignore closing shuffle range, and assume rank-end
18632 } else if (*p == '?') {
18633 if (j >= gameInfo.boardWidth) return FALSE;
18634 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18635 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18636 } else if (*p == '+' || isalpha(*p)) {
18637 char *q, *s = SUFFIXES;
18638 if (j >= gameInfo.boardWidth) return FALSE;
18641 if(q = strchr(s, p[1])) p++;
18642 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18643 if(piece == EmptySquare) return FALSE; /* unknown piece */
18644 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18645 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18648 if(q = strchr(s, *p)) p++;
18649 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18652 if(piece==EmptySquare) return FALSE; /* unknown piece */
18653 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18654 piece = (ChessSquare) (PROMOTED(piece));
18655 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18658 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18659 if(piece == king) wKingRank = i;
18660 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18666 while (*p == '/' || *p == ' ') p++;
18668 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18670 /* [HGM] by default clear Crazyhouse holdings, if present */
18671 if(gameInfo.holdingsWidth) {
18672 for(i=0; i<handSize; i++) {
18673 board[i][0] = EmptySquare; /* black holdings */
18674 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18675 board[i][1] = (ChessSquare) 0; /* black counts */
18676 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18680 /* [HGM] look for Crazyhouse holdings here */
18681 while(*p==' ') p++;
18682 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18683 int swap=0, wcnt=0, bcnt=0;
18685 if(*p == '<') swap++, p++;
18686 if(*p == '-' ) p++; /* empty holdings */ else {
18687 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18688 /* if we would allow FEN reading to set board size, we would */
18689 /* have to add holdings and shift the board read so far here */
18690 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18692 if((int) piece >= (int) BlackPawn ) {
18693 i = (int)piece - (int)BlackPawn;
18694 i = PieceToNumber((ChessSquare)i);
18695 if( i >= gameInfo.holdingsSize ) return FALSE;
18696 board[handSize-1-i][0] = piece; /* black holdings */
18697 board[handSize-1-i][1]++; /* black counts */
18700 i = (int)piece - (int)WhitePawn;
18701 i = PieceToNumber((ChessSquare)i);
18702 if( i >= gameInfo.holdingsSize ) return FALSE;
18703 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18704 board[i][BOARD_WIDTH-2]++; /* black holdings */
18708 if(subst) { // substitute back-rank question marks by holdings pieces
18709 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18710 int k, m, n = bcnt + 1;
18711 if(board[0][j] == ClearBoard) {
18712 if(!wcnt) return FALSE;
18714 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18715 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18716 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18720 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18721 if(!bcnt) return FALSE;
18722 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18723 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[handSize-1-k][1]) < 0) {
18724 board[BOARD_HEIGHT-1][j] = board[handSize-1-k][0]; bcnt--;
18725 if(--board[handSize-1-k][1] == 0) board[handSize-1-k][0] = EmptySquare;
18736 if(subst) return FALSE; // substitution requested, but no holdings
18738 while(*p == ' ') p++;
18742 if(appData.colorNickNames) {
18743 if( c == appData.colorNickNames[0] ) c = 'w'; else
18744 if( c == appData.colorNickNames[1] ) c = 'b';
18748 *blackPlaysFirst = FALSE;
18751 *blackPlaysFirst = TRUE;
18757 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18758 /* return the extra info in global variiables */
18760 while(*p==' ') p++;
18762 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18763 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18764 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18767 /* set defaults in case FEN is incomplete */
18768 board[EP_STATUS] = EP_UNKNOWN;
18769 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18770 for(i=0; i<nrCastlingRights; i++ ) {
18771 board[CASTLING][i] =
18772 appData.fischerCastling ? NoRights : initialRights[i];
18773 } /* assume possible unless obviously impossible */
18774 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18775 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18776 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18777 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18778 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18779 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18780 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18781 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18784 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18787 while(isalpha(*p)) {
18788 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18789 if(islower(*p)) b |= 1 << (*p++ - 'a');
18793 board[TOUCHED_W] = ~w;
18794 board[TOUCHED_B] = ~b;
18795 while(*p == ' ') p++;
18799 if(nrCastlingRights) {
18801 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18802 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18803 /* castling indicator present, so default becomes no castlings */
18804 for(i=0; i<nrCastlingRights; i++ ) {
18805 board[CASTLING][i] = NoRights;
18808 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18809 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18810 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18811 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18812 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18814 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18815 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18816 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18818 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18819 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18820 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18821 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18822 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18823 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18826 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18827 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18828 board[CASTLING][2] = whiteKingFile;
18829 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18830 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18831 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18834 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18835 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18836 board[CASTLING][2] = whiteKingFile;
18837 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18838 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18839 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18842 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18843 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18844 board[CASTLING][5] = blackKingFile;
18845 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18846 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18847 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18850 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18851 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18852 board[CASTLING][5] = blackKingFile;
18853 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18854 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18855 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18858 default: /* FRC castlings */
18859 if(c >= 'a') { /* black rights */
18860 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18861 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18862 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18863 if(i == BOARD_RGHT) break;
18864 board[CASTLING][5] = i;
18866 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18867 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18869 board[CASTLING][3] = c;
18871 board[CASTLING][4] = c;
18872 } else { /* white rights */
18873 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18874 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18875 if(board[0][i] == WhiteKing) break;
18876 if(i == BOARD_RGHT) break;
18877 board[CASTLING][2] = i;
18878 c -= AAA - 'a' + 'A';
18879 if(board[0][c] >= WhiteKing) break;
18881 board[CASTLING][0] = c;
18883 board[CASTLING][1] = c;
18887 for(i=0; i<nrCastlingRights; i++)
18888 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18889 if(gameInfo.variant == VariantSChess)
18890 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18891 if(fischer && shuffle) appData.fischerCastling = TRUE;
18892 if (appData.debugMode) {
18893 fprintf(debugFP, "FEN castling rights:");
18894 for(i=0; i<nrCastlingRights; i++)
18895 fprintf(debugFP, " %d", board[CASTLING][i]);
18896 fprintf(debugFP, "\n");
18899 while(*p==' ') p++;
18902 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18904 /* read e.p. field in games that know e.p. capture */
18905 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18906 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18907 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18909 p++; board[EP_STATUS] = EP_NONE;
18911 int d, r, c = *p - AAA;
18913 if(c >= BOARD_LEFT && c < BOARD_RGHT) {
18915 board[EP_STATUS] = board[EP_FILE] = c; r = 0;
18916 if(*p >= '0' && *p <='9') r = board[EP_RANK] = *p++ - ONE;
18917 d = (r < BOARD_HEIGHT << 1 ? 1 : -1); // assume double-push (P next to e.p. square nearer center)
18918 if(board[r+d][c] == EmptySquare) d *= 2; // but if no Pawn there, triple push
18919 board[LAST_TO] = 256*(r + d) + c;
18921 if(c >= BOARD_LEFT && c < BOARD_RGHT) { // mover explicitly mentioned
18922 if(*p >= '0' && *p <='9') r = board[EP_RANK] = *p++ - ONE;
18923 board[LAST_TO] = 256*r + c;
18924 if(!(board[EP_RANK]-r & 1)) board[EP_RANK] |= 128;
18930 while(*p == ' ') p++;
18932 board[CHECK_COUNT] = 0; // [HGM] 3check: check-count field
18933 if(sscanf(p, "%d+%d", &i, &j) == 2) {
18934 board[CHECK_COUNT] = i + 256*j;
18935 while(*p && *p != ' ') p++;
18938 c = sscanf(p, "%d%*d +%d+%d", &i, &j, &k);
18940 FENrulePlies = i; /* 50-move ply counter */
18941 /* (The move number is still ignored) */
18942 if(c == 3 && !board[CHECK_COUNT]) board[CHECK_COUNT] = (3 - j) + 256*(3 - k); // SCIDB-style check count
18949 EditPositionPasteFEN (char *fen)
18952 Board initial_position;
18954 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18955 DisplayError(_("Bad FEN position in clipboard"), 0);
18958 int savedBlackPlaysFirst = blackPlaysFirst;
18959 EditPositionEvent();
18960 blackPlaysFirst = savedBlackPlaysFirst;
18961 CopyBoard(boards[0], initial_position);
18962 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18963 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18964 DisplayBothClocks();
18965 DrawPosition(FALSE, boards[currentMove]);
18970 static char cseq[12] = "\\ ";
18973 set_cont_sequence (char *new_seq)
18978 // handle bad attempts to set the sequence
18980 return 0; // acceptable error - no debug
18982 len = strlen(new_seq);
18983 ret = (len > 0) && (len < sizeof(cseq));
18985 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18986 else if (appData.debugMode)
18987 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18992 reformat a source message so words don't cross the width boundary. internal
18993 newlines are not removed. returns the wrapped size (no null character unless
18994 included in source message). If dest is NULL, only calculate the size required
18995 for the dest buffer. lp argument indicats line position upon entry, and it's
18996 passed back upon exit.
18999 wrap (char *dest, char *src, int count, int width, int *lp)
19001 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
19003 cseq_len = strlen(cseq);
19004 old_line = line = *lp;
19005 ansi = len = clen = 0;
19007 for (i=0; i < count; i++)
19009 if (src[i] == '\033')
19012 // if we hit the width, back up
19013 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
19015 // store i & len in case the word is too long
19016 old_i = i, old_len = len;
19018 // find the end of the last word
19019 while (i && src[i] != ' ' && src[i] != '\n')
19025 // word too long? restore i & len before splitting it
19026 if ((old_i-i+clen) >= width)
19033 if (i && src[i-1] == ' ')
19036 if (src[i] != ' ' && src[i] != '\n')
19043 // now append the newline and continuation sequence
19048 strncpy(dest+len, cseq, cseq_len);
19056 dest[len] = src[i];
19060 if (src[i] == '\n')
19065 if (dest && appData.debugMode)
19067 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
19068 count, width, line, len, *lp);
19069 show_bytes(debugFP, src, count);
19070 fprintf(debugFP, "\ndest: ");
19071 show_bytes(debugFP, dest, len);
19072 fprintf(debugFP, "\n");
19074 *lp = dest ? line : old_line;
19079 // [HGM] vari: routines for shelving variations
19080 Boolean modeRestore = FALSE;
19083 PushInner (int firstMove, int lastMove)
19085 int i, j, nrMoves = lastMove - firstMove;
19087 // push current tail of game on stack
19088 savedResult[storedGames] = gameInfo.result;
19089 savedDetails[storedGames] = gameInfo.resultDetails;
19090 gameInfo.resultDetails = NULL;
19091 savedFirst[storedGames] = firstMove;
19092 savedLast [storedGames] = lastMove;
19093 savedFramePtr[storedGames] = framePtr;
19094 framePtr -= nrMoves; // reserve space for the boards
19095 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
19096 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
19097 for(j=0; j<MOVE_LEN; j++)
19098 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
19099 for(j=0; j<2*MOVE_LEN; j++)
19100 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
19101 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
19102 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
19103 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
19104 pvInfoList[firstMove+i-1].depth = 0;
19105 commentList[framePtr+i] = commentList[firstMove+i];
19106 commentList[firstMove+i] = NULL;
19110 forwardMostMove = firstMove; // truncate game so we can start variation
19114 PushTail (int firstMove, int lastMove)
19116 if(appData.icsActive) { // only in local mode
19117 forwardMostMove = currentMove; // mimic old ICS behavior
19120 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
19122 PushInner(firstMove, lastMove);
19123 if(storedGames == 1) GreyRevert(FALSE);
19124 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
19128 PopInner (Boolean annotate)
19131 char buf[8000], moveBuf[20];
19133 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
19134 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
19135 nrMoves = savedLast[storedGames] - currentMove;
19138 if(!WhiteOnMove(currentMove))
19139 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
19140 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
19141 for(i=currentMove; i<forwardMostMove; i++) {
19143 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
19144 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
19145 strcat(buf, moveBuf);
19146 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
19147 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
19151 for(i=1; i<=nrMoves; i++) { // copy last variation back
19152 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
19153 for(j=0; j<MOVE_LEN; j++)
19154 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
19155 for(j=0; j<2*MOVE_LEN; j++)
19156 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
19157 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
19158 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
19159 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
19160 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
19161 commentList[currentMove+i] = commentList[framePtr+i];
19162 commentList[framePtr+i] = NULL;
19164 if(annotate) AppendComment(currentMove+1, buf, FALSE);
19165 framePtr = savedFramePtr[storedGames];
19166 gameInfo.result = savedResult[storedGames];
19167 if(gameInfo.resultDetails != NULL) {
19168 free(gameInfo.resultDetails);
19170 gameInfo.resultDetails = savedDetails[storedGames];
19171 forwardMostMove = currentMove + nrMoves;
19175 PopTail (Boolean annotate)
19177 if(appData.icsActive) return FALSE; // only in local mode
19178 if(!storedGames) return FALSE; // sanity
19179 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
19181 PopInner(annotate);
19182 if(currentMove < forwardMostMove) ForwardEvent(); else
19183 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
19185 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
19191 { // remove all shelved variations
19193 for(i=0; i<storedGames; i++) {
19194 if(savedDetails[i])
19195 free(savedDetails[i]);
19196 savedDetails[i] = NULL;
19198 for(i=framePtr; i<MAX_MOVES; i++) {
19199 if(commentList[i]) free(commentList[i]);
19200 commentList[i] = NULL;
19202 framePtr = MAX_MOVES-1;
19207 LoadVariation (int index, char *text)
19208 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
19209 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
19210 int level = 0, move;
19212 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19213 // first find outermost bracketing variation
19214 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19215 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19216 if(*p == '{') wait = '}'; else
19217 if(*p == '[') wait = ']'; else
19218 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19219 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19221 if(*p == wait) wait = NULLCHAR; // closing ]} found
19224 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19225 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19226 end[1] = NULLCHAR; // clip off comment beyond variation
19227 ToNrEvent(currentMove-1);
19228 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19229 // kludge: use ParsePV() to append variation to game
19230 move = currentMove;
19231 ParsePV(start, TRUE, TRUE);
19232 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19233 ClearPremoveHighlights();
19235 ToNrEvent(currentMove+1);
19238 int transparency[2];
19243 #define BUF_SIZ (2*MSG_SIZ)
19244 char *p, *q, buf[BUF_SIZ];
19245 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19246 snprintf(buf, BUF_SIZ, "-theme %s", engineLine);
19247 ParseArgsFromString(buf);
19248 ActivateTheme(TRUE); // also redo colors
19252 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19255 q = appData.themeNames;
19256 snprintf(buf, BUF_SIZ, "\"%s\"", nickName);
19257 if(appData.useBitmaps) {
19258 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt true -lbtf \"%s\"",
19259 Shorten(appData.liteBackTextureFile));
19260 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dbtf \"%s\" -lbtm %d -dbtm %d",
19261 Shorten(appData.darkBackTextureFile),
19262 appData.liteBackTextureMode,
19263 appData.darkBackTextureMode );
19265 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt false");
19267 if(!appData.useBitmaps || transparency[0]) {
19268 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -lsc %s", Col2Text(2) ); // lightSquareColor
19270 if(!appData.useBitmaps || transparency[1]) {
19271 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dsc %s", Col2Text(3) ); // darkSquareColor
19273 if(appData.useBorder) {
19274 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub true -border \"%s\"",
19277 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub false");
19279 if(appData.useFont) {
19280 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19281 appData.renderPiecesWithFont,
19282 appData.fontToPieceTable,
19283 Col2Text(9), // appData.fontBackColorWhite
19284 Col2Text(10) ); // appData.fontForeColorBlack
19286 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf false");
19287 if(appData.pieceDirectory[0]) {
19288 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -pid \"%s\"", Shorten(appData.pieceDirectory));
19289 if(appData.trueColors != 2) // 2 is a kludge to suppress this in WinBoard
19290 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -trueColors %s", appData.trueColors ? "true" : "false");
19292 if(!appData.pieceDirectory[0] || !appData.trueColors)
19293 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -wpc %s -bpc %s",
19294 Col2Text(0), // whitePieceColor
19295 Col2Text(1) ); // blackPieceColor
19297 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19298 Col2Text(4), // highlightSquareColor
19299 Col2Text(5) ); // premoveHighlightColor
19300 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19301 if(insert != q) insert[-1] = NULLCHAR;
19302 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19305 ActivateTheme(FALSE);