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) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4747 if (ics_getting_history == H_GOT_REQ_HEADER ||
4748 ics_getting_history == H_GOT_UNREQ_HEADER) {
4749 /* This was an initial position from a move list, not
4750 the current position */
4754 /* Update currentMove and known move number limits */
4755 newMove = newGame || moveNum > forwardMostMove;
4758 forwardMostMove = backwardMostMove = currentMove = moveNum;
4759 if (gameMode == IcsExamining && moveNum == 0) {
4760 /* Workaround for ICS limitation: we are not told the wild
4761 type when starting to examine a game. But if we ask for
4762 the move list, the move list header will tell us */
4763 ics_getting_history = H_REQUESTED;
4764 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4767 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4768 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4770 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4771 /* [HGM] applied this also to an engine that is silently watching */
4772 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4773 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4774 gameInfo.variant == currentlyInitializedVariant) {
4775 takeback = forwardMostMove - moveNum;
4776 for (i = 0; i < takeback; i++) {
4777 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4778 SendToProgram("undo\n", &first);
4783 forwardMostMove = moveNum;
4784 if (!pausing || currentMove > forwardMostMove)
4785 currentMove = forwardMostMove;
4787 /* New part of history that is not contiguous with old part */
4788 if (pausing && gameMode == IcsExamining) {
4789 pauseExamInvalid = TRUE;
4790 forwardMostMove = pauseExamForwardMostMove;
4793 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4795 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4796 // [HGM] when we will receive the move list we now request, it will be
4797 // fed to the engine from the first move on. So if the engine is not
4798 // in the initial position now, bring it there.
4799 InitChessProgram(&first, 0);
4802 ics_getting_history = H_REQUESTED;
4803 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4806 forwardMostMove = backwardMostMove = currentMove = moveNum;
4809 /* Update the clocks */
4810 if (strchr(elapsed_time, '.')) {
4812 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4813 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4815 /* Time is in seconds */
4816 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4817 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4822 if (appData.zippyPlay && newGame &&
4823 gameMode != IcsObserving && gameMode != IcsIdle &&
4824 gameMode != IcsExamining)
4825 ZippyFirstBoard(moveNum, basetime, increment);
4828 /* Put the move on the move list, first converting
4829 to canonical algebraic form. */
4831 if (appData.debugMode) {
4832 int f = forwardMostMove;
4833 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4834 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4835 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4836 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4837 fprintf(debugFP, "moveNum = %d\n", moveNum);
4838 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4839 setbuf(debugFP, NULL);
4841 if (moveNum <= backwardMostMove) {
4842 /* We don't know what the board looked like before
4844 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4845 strcat(parseList[moveNum - 1], " ");
4846 strcat(parseList[moveNum - 1], elapsed_time);
4847 moveList[moveNum - 1][0] = NULLCHAR;
4848 } else if (strcmp(move_str, "none") == 0) {
4849 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4850 /* Again, we don't know what the board looked like;
4851 this is really the start of the game. */
4852 parseList[moveNum - 1][0] = NULLCHAR;
4853 moveList[moveNum - 1][0] = NULLCHAR;
4854 backwardMostMove = moveNum;
4855 startedFromSetupPosition = TRUE;
4856 fromX = fromY = toX = toY = -1;
4858 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4859 // So we parse the long-algebraic move string in stead of the SAN move
4860 int valid; char buf[MSG_SIZ], *prom;
4862 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4863 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4864 // str looks something like "Q/a1-a2"; kill the slash
4866 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4867 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4868 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4869 strcat(buf, prom); // long move lacks promo specification!
4870 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4871 if(appData.debugMode)
4872 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4873 safeStrCpy(move_str, buf, MSG_SIZ);
4875 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4876 &fromX, &fromY, &toX, &toY, &promoChar)
4877 || ParseOneMove(buf, moveNum - 1, &moveType,
4878 &fromX, &fromY, &toX, &toY, &promoChar);
4879 // end of long SAN patch
4881 (void) CoordsToAlgebraic(boards[moveNum - 1],
4882 PosFlags(moveNum - 1),
4883 fromY, fromX, toY, toX, promoChar,
4884 parseList[moveNum-1]);
4885 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4891 if(!IS_SHOGI(gameInfo.variant))
4892 strcat(parseList[moveNum - 1], "+");
4895 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4896 strcat(parseList[moveNum - 1], "#");
4899 strcat(parseList[moveNum - 1], " ");
4900 strcat(parseList[moveNum - 1], elapsed_time);
4901 /* currentMoveString is set as a side-effect of ParseOneMove */
4902 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4903 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4904 strcat(moveList[moveNum - 1], "\n");
4906 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4907 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4908 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4909 ChessSquare old, new = boards[moveNum][k][j];
4910 if(new == EmptySquare || fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4911 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4912 if(old == new) continue;
4913 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4914 else if(new == WhiteWazir || new == BlackWazir) {
4915 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4916 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4917 else boards[moveNum][k][j] = old; // preserve type of Gold
4918 } else if(old == WhitePawn || old == BlackPawn) // Pawn promotions (but not e.p.capture!)
4919 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4922 /* Move from ICS was illegal!? Punt. */
4923 if (appData.debugMode) {
4924 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4925 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4927 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4928 strcat(parseList[moveNum - 1], " ");
4929 strcat(parseList[moveNum - 1], elapsed_time);
4930 moveList[moveNum - 1][0] = NULLCHAR;
4931 fromX = fromY = toX = toY = -1;
4934 if (appData.debugMode) {
4935 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4936 setbuf(debugFP, NULL);
4940 /* Send move to chess program (BEFORE animating it). */
4941 if (appData.zippyPlay && !newGame && newMove &&
4942 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4944 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4945 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4946 if (moveList[moveNum - 1][0] == NULLCHAR) {
4947 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4949 DisplayError(str, 0);
4951 if (first.sendTime) {
4952 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4954 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4955 if (firstMove && !bookHit) {
4957 if (first.useColors) {
4958 SendToProgram(gameMode == IcsPlayingWhite ?
4960 "black\ngo\n", &first);
4962 SendToProgram("go\n", &first);
4964 first.maybeThinking = TRUE;
4967 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4968 if (moveList[moveNum - 1][0] == NULLCHAR) {
4969 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4970 DisplayError(str, 0);
4972 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4973 SendMoveToProgram(moveNum - 1, &first);
4980 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4981 /* If move comes from a remote source, animate it. If it
4982 isn't remote, it will have already been animated. */
4983 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4984 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4986 if (!pausing && appData.highlightLastMove) {
4987 SetHighlights(fromX, fromY, toX, toY);
4991 /* Start the clocks */
4992 whiteFlag = blackFlag = FALSE;
4993 appData.clockMode = !(basetime == 0 && increment == 0);
4995 ics_clock_paused = TRUE;
4997 } else if (ticking == 1) {
4998 ics_clock_paused = FALSE;
5000 if (gameMode == IcsIdle ||
5001 relation == RELATION_OBSERVING_STATIC ||
5002 relation == RELATION_EXAMINING ||
5004 DisplayBothClocks();
5008 /* Display opponents and material strengths */
5009 if (gameInfo.variant != VariantBughouse &&
5010 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
5011 if (tinyLayout || smallLayout) {
5012 if(gameInfo.variant == VariantNormal)
5013 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5014 gameInfo.white, white_stren, gameInfo.black, black_stren,
5015 basetime, increment);
5017 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5018 gameInfo.white, white_stren, gameInfo.black, black_stren,
5019 basetime, increment, (int) gameInfo.variant);
5021 if(gameInfo.variant == VariantNormal)
5022 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5023 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5024 basetime, increment);
5026 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5027 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5028 basetime, increment, VariantName(gameInfo.variant));
5031 if (appData.debugMode) {
5032 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5037 /* Display the board */
5038 if (!pausing && !appData.noGUI) {
5040 if (appData.premove)
5042 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5043 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5044 ClearPremoveHighlights();
5046 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5047 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5048 DrawPosition(j, boards[currentMove]);
5050 DisplayMove(moveNum - 1);
5051 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5052 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5053 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5054 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5058 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5060 if(bookHit) { // [HGM] book: simulate book reply
5061 static char bookMove[MSG_SIZ]; // a bit generous?
5063 programStats.nodes = programStats.depth = programStats.time =
5064 programStats.score = programStats.got_only_move = 0;
5065 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5067 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5068 strcat(bookMove, bookHit);
5069 HandleMachineMove(bookMove, &first);
5078 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5079 ics_getting_history = H_REQUESTED;
5080 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5086 SendToBoth (char *msg)
5087 { // to make it easy to keep two engines in step in dual analysis
5088 SendToProgram(msg, &first);
5089 if(second.analyzing) SendToProgram(msg, &second);
5093 AnalysisPeriodicEvent (int force)
5095 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5096 && !force) || !appData.periodicUpdates)
5099 /* Send . command to Crafty to collect stats */
5102 /* Don't send another until we get a response (this makes
5103 us stop sending to old Crafty's which don't understand
5104 the "." command (sending illegal cmds resets node count & time,
5105 which looks bad)) */
5106 programStats.ok_to_send = 0;
5110 ics_update_width (int new_width)
5112 ics_printf("set width %d\n", new_width);
5116 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5120 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5121 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5122 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5123 SendToProgram(buf, cps);
5126 // null move in variant where engine does not understand it (for analysis purposes)
5127 SendBoard(cps, moveNum + 1); // send position after move in stead.
5130 if (cps->useUsermove) {
5131 SendToProgram("usermove ", cps);
5135 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5136 int len = space - parseList[moveNum];
5137 memcpy(buf, parseList[moveNum], len);
5139 buf[len] = NULLCHAR;
5141 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5143 SendToProgram(buf, cps);
5145 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5146 AlphaRank(moveList[moveNum], 4);
5147 SendToProgram(moveList[moveNum], cps);
5148 AlphaRank(moveList[moveNum], 4); // and back
5150 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5151 * the engine. It would be nice to have a better way to identify castle
5153 if(appData.fischerCastling && cps->useOOCastle) {
5154 int fromX = moveList[moveNum][0] - AAA;
5155 int fromY = moveList[moveNum][1] - ONE;
5156 int toX = moveList[moveNum][2] - AAA;
5157 int toY = moveList[moveNum][3] - ONE;
5158 if((boards[moveNum][fromY][fromX] == WhiteKing
5159 && boards[moveNum][toY][toX] == WhiteRook)
5160 || (boards[moveNum][fromY][fromX] == BlackKing
5161 && boards[moveNum][toY][toX] == BlackRook)) {
5162 if(toX > fromX) SendToProgram("O-O\n", cps);
5163 else SendToProgram("O-O-O\n", cps);
5165 else SendToProgram(moveList[moveNum], cps);
5167 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5168 char *m = moveList[moveNum];
5170 *c = m[7]; if(*c == '\n') *c = NULLCHAR; // promoChar
5171 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
5172 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5175 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5176 else if(*c && m[8] != '\n') { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5177 *c = m[9]; if(*c == '\n') *c = NULLCHAR;
5178 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
5183 m[2], m[3] - '0', c);
5185 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5188 m[2], m[3] - '0', c);
5189 SendToProgram(buf, cps);
5191 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5192 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5193 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5194 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5195 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5197 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5198 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5199 SendToProgram(buf, cps);
5201 else SendToProgram(moveList[moveNum], cps);
5202 /* End of additions by Tord */
5205 /* [HGM] setting up the opening has brought engine in force mode! */
5206 /* Send 'go' if we are in a mode where machine should play. */
5207 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5208 (gameMode == TwoMachinesPlay ||
5210 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5212 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5213 SendToProgram("go\n", cps);
5214 if (appData.debugMode) {
5215 fprintf(debugFP, "(extra)\n");
5218 setboardSpoiledMachineBlack = 0;
5222 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5224 char user_move[MSG_SIZ];
5227 if(gameInfo.variant == VariantSChess && promoChar) {
5228 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5229 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5230 } else suffix[0] = NULLCHAR;
5234 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5235 (int)moveType, fromX, fromY, toX, toY);
5236 DisplayError(user_move + strlen("say "), 0);
5238 case WhiteKingSideCastle:
5239 case BlackKingSideCastle:
5240 case WhiteQueenSideCastleWild:
5241 case BlackQueenSideCastleWild:
5243 case WhiteHSideCastleFR:
5244 case BlackHSideCastleFR:
5246 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5248 case WhiteQueenSideCastle:
5249 case BlackQueenSideCastle:
5250 case WhiteKingSideCastleWild:
5251 case BlackKingSideCastleWild:
5253 case WhiteASideCastleFR:
5254 case BlackASideCastleFR:
5256 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5258 case WhiteNonPromotion:
5259 case BlackNonPromotion:
5260 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5262 case WhitePromotion:
5263 case BlackPromotion:
5264 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5265 gameInfo.variant == VariantMakruk)
5266 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5267 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5268 PieceToChar(WhiteFerz));
5269 else if(gameInfo.variant == VariantGreat)
5270 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5271 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5272 PieceToChar(WhiteMan));
5274 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5275 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5281 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5282 ToUpper(PieceToChar((ChessSquare) fromX)),
5283 AAA + toX, ONE + toY);
5285 case IllegalMove: /* could be a variant we don't quite understand */
5286 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5288 case WhiteCapturesEnPassant:
5289 case BlackCapturesEnPassant:
5290 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5291 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5294 SendToICS(user_move);
5295 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5296 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5301 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5302 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5303 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5304 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5305 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5308 if(gameMode != IcsExamining) { // is this ever not the case?
5309 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5311 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5312 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5313 } else { // on FICS we must first go to general examine mode
5314 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5316 if(gameInfo.variant != VariantNormal) {
5317 // try figure out wild number, as xboard names are not always valid on ICS
5318 for(i=1; i<=36; i++) {
5319 snprintf(buf, MSG_SIZ, "wild/%d", i);
5320 if(StringToVariant(buf) == gameInfo.variant) break;
5322 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5323 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5324 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5325 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5326 SendToICS(ics_prefix);
5328 if(startedFromSetupPosition || backwardMostMove != 0) {
5329 fen = PositionToFEN(backwardMostMove, NULL, 1);
5330 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5331 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5333 } else { // FICS: everything has to set by separate bsetup commands
5334 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5335 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5337 if(!WhiteOnMove(backwardMostMove)) {
5338 SendToICS("bsetup tomove black\n");
5340 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5341 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5343 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5344 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5346 i = boards[backwardMostMove][EP_STATUS];
5347 if(i >= 0) { // set e.p.
5348 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5354 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5355 SendToICS("bsetup done\n"); // switch to normal examining.
5357 for(i = backwardMostMove; i<last; i++) {
5359 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5360 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5361 int len = strlen(moveList[i]);
5362 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5363 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5367 SendToICS(ics_prefix);
5368 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5371 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5375 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5377 if (rf == DROP_RANK) {
5378 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5379 sprintf(move, "%c@%c%c\n",
5380 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5382 if (promoChar == 'x' || promoChar == NULLCHAR) {
5383 sprintf(move, "%c%c%c%c\n",
5384 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5385 if(killX >= 0 && killY >= 0) {
5386 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5387 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5390 sprintf(move, "%c%c%c%c%c\n",
5391 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5392 if(killX >= 0 && killY >= 0) {
5393 sprintf(move+4, ";%c%c%c\n", AAA + killX, ONE + killY, promoChar);
5394 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5401 ProcessICSInitScript (FILE *f)
5405 while (fgets(buf, MSG_SIZ, f)) {
5406 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5413 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5415 static ClickType lastClickType;
5418 PieceInString (char *s, ChessSquare piece)
5420 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5421 while((p = strchr(s, ID))) {
5422 if(!suffix || p[1] == suffix) return TRUE;
5429 Partner (ChessSquare *p)
5430 { // change piece into promotion partner if one shogi-promotes to the other
5431 ChessSquare partner = promoPartner[*p];
5432 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5433 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5441 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5442 static int toggleFlag;
5443 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5444 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5445 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5446 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5447 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5448 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5450 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5451 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5452 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5453 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5454 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5455 if(!step) step = -1;
5456 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5457 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5458 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5459 promoSweep == pawn ||
5460 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5461 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5463 int victim = boards[currentMove][toY][toX];
5464 boards[currentMove][toY][toX] = promoSweep;
5465 DrawPosition(FALSE, boards[currentMove]);
5466 boards[currentMove][toY][toX] = victim;
5468 ChangeDragPiece(promoSweep);
5472 PromoScroll (int x, int y)
5476 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5477 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5478 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5479 if(!step) return FALSE;
5480 lastX = x; lastY = y;
5481 if((promoSweep < BlackPawn) == flipView) step = -step;
5482 if(step > 0) selectFlag = 1;
5483 if(!selectFlag) Sweep(step);
5488 NextPiece (int step)
5490 ChessSquare piece = boards[currentMove][toY][toX];
5493 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5494 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5495 if(!step) step = -1;
5496 } while(PieceToChar(pieceSweep) == '.');
5497 boards[currentMove][toY][toX] = pieceSweep;
5498 DrawPosition(FALSE, boards[currentMove]);
5499 boards[currentMove][toY][toX] = piece;
5501 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5503 AlphaRank (char *move, int n)
5505 // char *p = move, c; int x, y;
5507 if (appData.debugMode) {
5508 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5512 move[2]>='0' && move[2]<='9' &&
5513 move[3]>='a' && move[3]<='x' ) {
5515 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5516 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5518 if(move[0]>='0' && move[0]<='9' &&
5519 move[1]>='a' && move[1]<='x' &&
5520 move[2]>='0' && move[2]<='9' &&
5521 move[3]>='a' && move[3]<='x' ) {
5522 /* input move, Shogi -> normal */
5523 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5524 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5525 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5526 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5529 move[3]>='0' && move[3]<='9' &&
5530 move[2]>='a' && move[2]<='x' ) {
5532 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5533 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5536 move[0]>='a' && move[0]<='x' &&
5537 move[3]>='0' && move[3]<='9' &&
5538 move[2]>='a' && move[2]<='x' ) {
5539 /* output move, normal -> Shogi */
5540 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5541 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5542 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5543 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5544 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5546 if (appData.debugMode) {
5547 fprintf(debugFP, " out = '%s'\n", move);
5551 char yy_textstr[8000];
5553 /* Parser for moves from gnuchess, ICS, or user typein box */
5555 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5557 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5559 switch (*moveType) {
5560 case WhitePromotion:
5561 case BlackPromotion:
5562 case WhiteNonPromotion:
5563 case BlackNonPromotion:
5566 case WhiteCapturesEnPassant:
5567 case BlackCapturesEnPassant:
5568 case WhiteKingSideCastle:
5569 case WhiteQueenSideCastle:
5570 case BlackKingSideCastle:
5571 case BlackQueenSideCastle:
5572 case WhiteKingSideCastleWild:
5573 case WhiteQueenSideCastleWild:
5574 case BlackKingSideCastleWild:
5575 case BlackQueenSideCastleWild:
5576 /* Code added by Tord: */
5577 case WhiteHSideCastleFR:
5578 case WhiteASideCastleFR:
5579 case BlackHSideCastleFR:
5580 case BlackASideCastleFR:
5581 /* End of code added by Tord */
5582 case IllegalMove: /* bug or odd chess variant */
5583 if(currentMoveString[1] == '@') { // illegal drop
5584 *fromX = WhiteOnMove(moveNum) ?
5585 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5586 (int) CharToPiece(ToLower(currentMoveString[0]));
5589 *fromX = currentMoveString[0] - AAA;
5590 *fromY = currentMoveString[1] - ONE;
5591 *toX = currentMoveString[2] - AAA;
5592 *toY = currentMoveString[3] - ONE;
5593 *promoChar = currentMoveString[4];
5594 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5595 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5596 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5597 if (appData.debugMode) {
5598 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5600 *fromX = *fromY = *toX = *toY = 0;
5603 if (appData.testLegality) {
5604 return (*moveType != IllegalMove);
5606 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5607 // [HGM] lion: if this is a double move we are less critical
5608 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5613 *fromX = *moveType == WhiteDrop ?
5614 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5615 (int) CharToPiece(ToLower(currentMoveString[0]));
5618 *toX = currentMoveString[2] - AAA;
5619 *toY = currentMoveString[3] - ONE;
5620 *promoChar = NULLCHAR;
5624 case ImpossibleMove:
5634 if (appData.debugMode) {
5635 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5638 *fromX = *fromY = *toX = *toY = 0;
5639 *promoChar = NULLCHAR;
5644 Boolean pushed = FALSE;
5645 char *lastParseAttempt;
5648 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5649 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5650 int fromX, fromY, toX, toY; char promoChar;
5655 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5656 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5657 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5660 endPV = forwardMostMove;
5662 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5663 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5664 lastParseAttempt = pv;
5665 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5666 if(!valid && nr == 0 &&
5667 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5668 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5669 // Hande case where played move is different from leading PV move
5670 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5671 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5672 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5673 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5674 endPV += 2; // if position different, keep this
5675 moveList[endPV-1][0] = fromX + AAA;
5676 moveList[endPV-1][1] = fromY + ONE;
5677 moveList[endPV-1][2] = toX + AAA;
5678 moveList[endPV-1][3] = toY + ONE;
5679 parseList[endPV-1][0] = NULLCHAR;
5680 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5683 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5684 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5685 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5686 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5687 valid++; // allow comments in PV
5691 if(endPV+1 > framePtr) break; // no space, truncate
5694 CopyBoard(boards[endPV], boards[endPV-1]);
5695 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5696 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5697 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5698 CoordsToAlgebraic(boards[endPV - 1],
5699 PosFlags(endPV - 1),
5700 fromY, fromX, toY, toX, promoChar,
5701 parseList[endPV - 1]);
5703 if(atEnd == 2) return; // used hidden, for PV conversion
5704 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5705 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5706 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5707 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5708 DrawPosition(TRUE, boards[currentMove]);
5712 MultiPV (ChessProgramState *cps, int kind)
5713 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5715 for(i=0; i<cps->nrOptions; i++) {
5716 char *s = cps->option[i].name;
5717 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5718 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5719 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5724 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5725 static int multi, pv_margin;
5726 static ChessProgramState *activeCps;
5729 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5731 int startPV, lineStart, origIndex = index;
5732 char *p, buf2[MSG_SIZ];
5733 ChessProgramState *cps = (pane ? &second : &first);
5735 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5736 lastX = x; lastY = y;
5737 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5738 lineStart = startPV = index;
5739 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5740 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5742 do{ while(buf[index] && buf[index] != '\n') index++;
5743 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5745 if(lineStart == 0 && gameMode == AnalyzeMode) {
5747 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5748 if(n == 0) { // click not on "fewer" or "more"
5749 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5750 pv_margin = cps->option[multi].value;
5751 activeCps = cps; // non-null signals margin adjustment
5753 } else if((multi = MultiPV(cps, 1)) >= 0) {
5754 n += cps->option[multi].value; if(n < 1) n = 1;
5755 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5756 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5757 cps->option[multi].value = n;
5761 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5762 ExcludeClick(origIndex - lineStart);
5764 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5765 Collapse(origIndex - lineStart);
5768 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5769 *start = startPV; *end = index-1;
5770 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5777 static char buf[10*MSG_SIZ];
5778 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5780 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5781 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5782 for(i = forwardMostMove; i<endPV; i++){
5783 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5784 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5787 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5788 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5789 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5795 LoadPV (int x, int y)
5796 { // called on right mouse click to load PV
5797 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5798 lastX = x; lastY = y;
5799 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5807 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5809 if(pv_margin != activeCps->option[multi].value) {
5811 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5812 SendToProgram(buf, activeCps);
5813 activeCps->option[multi].value = pv_margin;
5818 if(endPV < 0) return;
5819 if(appData.autoCopyPV) CopyFENToClipboard();
5821 if(extendGame && currentMove > forwardMostMove) {
5822 Boolean saveAnimate = appData.animate;
5824 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5825 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5826 } else storedGames--; // abandon shelved tail of original game
5829 forwardMostMove = currentMove;
5830 currentMove = oldFMM;
5831 appData.animate = FALSE;
5832 ToNrEvent(forwardMostMove);
5833 appData.animate = saveAnimate;
5835 currentMove = forwardMostMove;
5836 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5837 ClearPremoveHighlights();
5838 DrawPosition(TRUE, boards[currentMove]);
5842 MovePV (int x, int y, int h)
5843 { // step through PV based on mouse coordinates (called on mouse move)
5844 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5846 if(activeCps) { // adjusting engine's multi-pv margin
5847 if(x > lastX) pv_margin++; else
5848 if(x < lastX) pv_margin -= (pv_margin > 0);
5851 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5852 DisplayMessage(buf, "");
5857 // we must somehow check if right button is still down (might be released off board!)
5858 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5859 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5860 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5862 lastX = x; lastY = y;
5864 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5865 if(endPV < 0) return;
5866 if(y < margin) step = 1; else
5867 if(y > h - margin) step = -1;
5868 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5869 currentMove += step;
5870 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5871 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5872 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5873 DrawPosition(FALSE, boards[currentMove]);
5877 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5878 // All positions will have equal probability, but the current method will not provide a unique
5879 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5885 int piecesLeft[(int)BlackPawn];
5886 int seed, nrOfShuffles;
5889 GetPositionNumber ()
5890 { // sets global variable seed
5893 seed = appData.defaultFrcPosition;
5894 if(seed < 0) { // randomize based on time for negative FRC position numbers
5895 for(i=0; i<50; i++) seed += random();
5896 seed = random() ^ random() >> 8 ^ random() << 8;
5897 if(seed<0) seed = -seed;
5902 put (Board board, int pieceType, int rank, int n, int shade)
5903 // put the piece on the (n-1)-th empty squares of the given shade
5907 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5908 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5909 board[rank][i] = (ChessSquare) pieceType;
5910 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5912 piecesLeft[pieceType]--;
5921 AddOnePiece (Board board, int pieceType, int rank, int shade)
5922 // calculate where the next piece goes, (any empty square), and put it there
5926 i = seed % squaresLeft[shade];
5927 nrOfShuffles *= squaresLeft[shade];
5928 seed /= squaresLeft[shade];
5929 put(board, pieceType, rank, i, shade);
5933 AddTwoPieces (Board board, int pieceType, int rank)
5934 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5936 int i, n=squaresLeft[ANY], j=n-1, k;
5938 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5939 i = seed % k; // pick one
5942 while(i >= j) i -= j--;
5943 j = n - 1 - j; i += j;
5944 put(board, pieceType, rank, j, ANY);
5945 put(board, pieceType, rank, i, ANY);
5949 SetUpShuffle (Board board, int number)
5953 GetPositionNumber(); nrOfShuffles = 1;
5955 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5956 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5957 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5959 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5961 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5962 p = (int) board[0][i];
5963 if(p < (int) BlackPawn) piecesLeft[p] ++;
5964 board[0][i] = EmptySquare;
5967 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5968 // shuffles restricted to allow normal castling put KRR first
5969 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5970 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5971 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5972 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5973 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5974 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5975 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5976 put(board, WhiteRook, 0, 0, ANY);
5977 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5980 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5981 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5982 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5983 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5984 while(piecesLeft[p] >= 2) {
5985 AddOnePiece(board, p, 0, LITE);
5986 AddOnePiece(board, p, 0, DARK);
5988 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5991 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5992 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5993 // but we leave King and Rooks for last, to possibly obey FRC restriction
5994 if(p == (int)WhiteRook) continue;
5995 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5996 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5999 // now everything is placed, except perhaps King (Unicorn) and Rooks
6001 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
6002 // Last King gets castling rights
6003 while(piecesLeft[(int)WhiteUnicorn]) {
6004 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6005 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6008 while(piecesLeft[(int)WhiteKing]) {
6009 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6010 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6015 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6016 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6019 // Only Rooks can be left; simply place them all
6020 while(piecesLeft[(int)WhiteRook]) {
6021 i = put(board, WhiteRook, 0, 0, ANY);
6022 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6025 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6027 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6030 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6031 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6034 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6038 ptclen (const char *s, char *escapes)
6041 if(!*escapes) return strlen(s);
6042 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6047 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6048 /* [HGM] moved here from winboard.c because of its general usefulness */
6049 /* Basically a safe strcpy that uses the last character as King */
6051 int result = FALSE; int NrPieces;
6052 unsigned char partner[EmptySquare];
6054 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6055 && NrPieces >= 12 && !(NrPieces&1)) {
6056 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6058 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6059 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6061 if(map[j] == '/') offs = WhitePBishop - i, j++;
6062 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6063 table[i+offs] = map[j++];
6064 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6065 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6066 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6068 table[(int) WhiteKing] = map[j++];
6069 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6071 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6072 i = WHITE_TO_BLACK ii;
6073 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6074 table[i+offs] = map[j++];
6075 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6076 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6077 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6079 table[(int) BlackKing] = map[j++];
6082 if(*escapes) { // set up promotion pairing
6083 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6084 // pieceToChar entirely filled, so we can look up specified partners
6085 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6087 if(c == '^' || c == '-') { // has specified partner
6089 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6090 if(c == '^') table[i] = '+';
6091 if(p < EmptySquare) {
6092 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6093 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6094 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6096 } else if(c == '*') {
6097 table[i] = partner[i];
6098 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6110 SetCharTable (unsigned char *table, const char * map)
6112 return SetCharTableEsc(table, map, "");
6116 Prelude (Board board)
6117 { // [HGM] superchess: random selection of exo-pieces
6118 int i, j, k; ChessSquare p;
6119 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6121 GetPositionNumber(); // use FRC position number
6123 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6124 SetCharTable(pieceToChar, appData.pieceToCharTable);
6125 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6126 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6129 j = seed%4; seed /= 4;
6130 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6131 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6132 board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6133 j = seed%3 + (seed%3 >= j); seed /= 3;
6134 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6135 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6136 board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6137 j = seed%3; seed /= 3;
6138 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6139 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6140 board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6141 j = seed%2 + (seed%2 >= j); seed /= 2;
6142 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6143 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6144 board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6145 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6146 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6147 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6148 put(board, exoPieces[0], 0, 0, ANY);
6149 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6153 InitPosition (int redraw)
6155 ChessSquare (* pieces)[BOARD_FILES];
6156 int i, j, pawnRow=1, pieceRows=1, overrule,
6157 oldx = gameInfo.boardWidth,
6158 oldy = gameInfo.boardHeight,
6159 oldh = gameInfo.holdingsWidth;
6162 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6164 /* [AS] Initialize pv info list [HGM] and game status */
6166 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6167 pvInfoList[i].depth = 0;
6168 boards[i][EP_STATUS] = EP_NONE;
6169 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6172 initialRulePlies = 0; /* 50-move counter start */
6174 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6175 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6179 /* [HGM] logic here is completely changed. In stead of full positions */
6180 /* the initialized data only consist of the two backranks. The switch */
6181 /* selects which one we will use, which is than copied to the Board */
6182 /* initialPosition, which for the rest is initialized by Pawns and */
6183 /* empty squares. This initial position is then copied to boards[0], */
6184 /* possibly after shuffling, so that it remains available. */
6186 gameInfo.holdingsWidth = 0; /* default board sizes */
6187 gameInfo.boardWidth = 8;
6188 gameInfo.boardHeight = 8;
6189 gameInfo.holdingsSize = 0;
6190 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6191 for(i=0; i<BOARD_FILES-6; i++)
6192 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6193 initialPosition[EP_STATUS] = EP_NONE;
6194 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6195 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6196 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6197 SetCharTable(pieceNickName, appData.pieceNickNames);
6198 else SetCharTable(pieceNickName, "............");
6201 switch (gameInfo.variant) {
6202 case VariantFischeRandom:
6203 shuffleOpenings = TRUE;
6204 appData.fischerCastling = TRUE;
6207 case VariantShatranj:
6208 pieces = ShatranjArray;
6209 nrCastlingRights = 0;
6210 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6213 pieces = makrukArray;
6214 nrCastlingRights = 0;
6215 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6218 pieces = aseanArray;
6219 nrCastlingRights = 0;
6220 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6222 case VariantTwoKings:
6223 pieces = twoKingsArray;
6226 pieces = GrandArray;
6227 nrCastlingRights = 0;
6228 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6229 gameInfo.boardWidth = 10;
6230 gameInfo.boardHeight = 10;
6231 gameInfo.holdingsSize = 7;
6233 case VariantCapaRandom:
6234 shuffleOpenings = TRUE;
6235 appData.fischerCastling = TRUE;
6236 case VariantCapablanca:
6237 pieces = CapablancaArray;
6238 gameInfo.boardWidth = 10;
6239 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6242 pieces = GothicArray;
6243 gameInfo.boardWidth = 10;
6244 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6247 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6248 gameInfo.holdingsSize = 7;
6249 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6252 pieces = JanusArray;
6253 gameInfo.boardWidth = 10;
6254 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6255 nrCastlingRights = 6;
6256 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6257 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6258 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6259 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6260 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6261 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6264 pieces = FalconArray;
6265 gameInfo.boardWidth = 10;
6266 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6268 case VariantXiangqi:
6269 pieces = XiangqiArray;
6270 gameInfo.boardWidth = 9;
6271 gameInfo.boardHeight = 10;
6272 nrCastlingRights = 0;
6273 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6276 pieces = ShogiArray;
6277 gameInfo.boardWidth = 9;
6278 gameInfo.boardHeight = 9;
6279 gameInfo.holdingsSize = 7;
6280 nrCastlingRights = 0;
6281 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6284 pieces = ChuArray; pieceRows = 3;
6285 gameInfo.boardWidth = 12;
6286 gameInfo.boardHeight = 12;
6287 nrCastlingRights = 0;
6288 // SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6289 // "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6290 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"
6291 "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);
6293 case VariantCourier:
6294 pieces = CourierArray;
6295 gameInfo.boardWidth = 12;
6296 nrCastlingRights = 0;
6297 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6299 case VariantKnightmate:
6300 pieces = KnightmateArray;
6301 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6303 case VariantSpartan:
6304 pieces = SpartanArray;
6305 SetCharTable(pieceToChar, "PNBRQ.....................K......lw......g...h......ck");
6309 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6311 case VariantChuChess:
6312 pieces = ChuChessArray;
6313 gameInfo.boardWidth = 10;
6314 gameInfo.boardHeight = 10;
6315 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6318 pieces = fairyArray;
6319 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6322 pieces = GreatArray;
6323 gameInfo.boardWidth = 10;
6324 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6325 gameInfo.holdingsSize = 8;
6329 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6330 gameInfo.holdingsSize = 8;
6331 startedFromSetupPosition = TRUE;
6333 case VariantCrazyhouse:
6334 case VariantBughouse:
6336 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6337 gameInfo.holdingsSize = 5;
6339 case VariantWildCastle:
6341 /* !!?shuffle with kings guaranteed to be on d or e file */
6342 shuffleOpenings = 1;
6344 case VariantNoCastle:
6346 nrCastlingRights = 0;
6347 /* !!?unconstrained back-rank shuffle */
6348 shuffleOpenings = 1;
6353 if(appData.NrFiles >= 0) {
6354 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6355 gameInfo.boardWidth = appData.NrFiles;
6357 if(appData.NrRanks >= 0) {
6358 gameInfo.boardHeight = appData.NrRanks;
6360 if(appData.holdingsSize >= 0) {
6361 i = appData.holdingsSize;
6362 // if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6363 gameInfo.holdingsSize = i;
6365 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6366 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6367 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6369 if(!handSize) handSize = BOARD_HEIGHT;
6370 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6371 if(pawnRow < 1) pawnRow = 1;
6372 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6373 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6374 if(gameInfo.variant == VariantChu) pawnRow = 3;
6376 /* User pieceToChar list overrules defaults */
6377 if(appData.pieceToCharTable != NULL)
6378 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6380 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6382 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6383 s = (ChessSquare) 0; /* account holding counts in guard band */
6384 for( i=0; i<BOARD_HEIGHT; i++ )
6385 initialPosition[i][j] = s;
6387 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6388 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6389 initialPosition[pawnRow][j] = WhitePawn;
6390 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6391 if(gameInfo.variant == VariantXiangqi) {
6393 initialPosition[pawnRow][j] =
6394 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6395 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6396 initialPosition[2][j] = WhiteCannon;
6397 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6401 if(gameInfo.variant == VariantChu) {
6402 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6403 initialPosition[pawnRow+1][j] = WhiteCobra,
6404 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6405 for(i=1; i<pieceRows; i++) {
6406 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6407 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6410 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6411 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6412 initialPosition[0][j] = WhiteRook;
6413 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6416 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6418 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6419 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6422 initialPosition[1][j] = WhiteBishop;
6423 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6425 initialPosition[1][j] = WhiteRook;
6426 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6429 if( nrCastlingRights == -1) {
6430 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6431 /* This sets default castling rights from none to normal corners */
6432 /* Variants with other castling rights must set them themselves above */
6433 nrCastlingRights = 6;
6435 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6436 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6437 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6438 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6439 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6440 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6443 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6444 if(gameInfo.variant == VariantGreat) { // promotion commoners
6445 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6446 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6447 initialPosition[handSize-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6448 initialPosition[handSize-1-PieceToNumber(WhiteMan)][1] = 9;
6450 if( gameInfo.variant == VariantSChess ) {
6451 initialPosition[1][0] = BlackMarshall;
6452 initialPosition[2][0] = BlackAngel;
6453 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6454 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6455 initialPosition[1][1] = initialPosition[2][1] =
6456 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6458 initialPosition[CHECK_COUNT] = (gameInfo.variant == Variant3Check ? 0x303 : 0);
6459 if (appData.debugMode) {
6460 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6462 if(shuffleOpenings) {
6463 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6464 startedFromSetupPosition = TRUE;
6466 if(startedFromPositionFile) {
6467 /* [HGM] loadPos: use PositionFile for every new game */
6468 CopyBoard(initialPosition, filePosition);
6469 for(i=0; i<nrCastlingRights; i++)
6470 initialRights[i] = filePosition[CASTLING][i];
6471 startedFromSetupPosition = TRUE;
6473 if(*appData.men) LoadPieceDesc(appData.men);
6475 CopyBoard(boards[0], initialPosition);
6477 if(oldx != gameInfo.boardWidth ||
6478 oldy != gameInfo.boardHeight ||
6479 oldv != gameInfo.variant ||
6480 oldh != gameInfo.holdingsWidth
6482 InitDrawingSizes(-2 ,0);
6484 oldv = gameInfo.variant;
6486 DrawPosition(TRUE, boards[currentMove]);
6490 SendBoard (ChessProgramState *cps, int moveNum)
6492 char message[MSG_SIZ];
6494 if (cps->useSetboard) {
6495 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6496 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6497 SendToProgram(message, cps);
6502 int i, j, left=0, right=BOARD_WIDTH;
6503 /* Kludge to set black to move, avoiding the troublesome and now
6504 * deprecated "black" command.
6506 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6507 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn && !pieceDesc[WhitePawn] ? "a2a3\n" : "black\nforce\n", cps);
6509 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6511 SendToProgram("edit\n", cps);
6512 SendToProgram("#\n", cps);
6513 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6514 bp = &boards[moveNum][i][left];
6515 for (j = left; j < right; j++, bp++) {
6516 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6517 if ((int) *bp < (int) BlackPawn) {
6518 if(j == BOARD_RGHT+1)
6519 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6520 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6521 if(message[0] == '+' || message[0] == '~') {
6522 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6523 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6524 AAA + j, ONE + i - '0');
6526 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6527 message[1] = BOARD_RGHT - 1 - j + '1';
6528 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6530 SendToProgram(message, cps);
6535 SendToProgram("c\n", cps);
6536 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6537 bp = &boards[moveNum][i][left];
6538 for (j = left; j < right; j++, bp++) {
6539 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6540 if (((int) *bp != (int) EmptySquare)
6541 && ((int) *bp >= (int) BlackPawn)) {
6542 if(j == BOARD_LEFT-2)
6543 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6544 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6545 AAA + j, ONE + i - '0');
6546 if(message[0] == '+' || message[0] == '~') {
6547 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6548 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6549 AAA + j, ONE + i - '0');
6551 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6552 message[1] = BOARD_RGHT - 1 - j + '1';
6553 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6555 SendToProgram(message, cps);
6560 SendToProgram(".\n", cps);
6562 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6565 char exclusionHeader[MSG_SIZ];
6566 int exCnt, excludePtr;
6567 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6568 static Exclusion excluTab[200];
6569 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6575 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6576 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6582 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6583 excludePtr = 24; exCnt = 0;
6588 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6589 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6590 char buf[2*MOVE_LEN], *p;
6591 Exclusion *e = excluTab;
6593 for(i=0; i<exCnt; i++)
6594 if(e[i].ff == fromX && e[i].fr == fromY &&
6595 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6596 if(i == exCnt) { // was not in exclude list; add it
6597 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6598 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6599 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6602 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6603 excludePtr++; e[i].mark = excludePtr++;
6604 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6607 exclusionHeader[e[i].mark] = state;
6611 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6612 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6616 if((signed char)promoChar == -1) { // kludge to indicate best move
6617 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6618 return 1; // if unparsable, abort
6620 // update exclusion map (resolving toggle by consulting existing state)
6621 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6623 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6624 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6625 excludeMap[k] |= 1<<j;
6626 else excludeMap[k] &= ~(1<<j);
6628 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6630 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6631 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6633 return (state == '+');
6637 ExcludeClick (int index)
6640 Exclusion *e = excluTab;
6641 if(index < 25) { // none, best or tail clicked
6642 if(index < 13) { // none: include all
6643 WriteMap(0); // clear map
6644 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6645 SendToBoth("include all\n"); // and inform engine
6646 } else if(index > 18) { // tail
6647 if(exclusionHeader[19] == '-') { // tail was excluded
6648 SendToBoth("include all\n");
6649 WriteMap(0); // clear map completely
6650 // now re-exclude selected moves
6651 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6652 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6653 } else { // tail was included or in mixed state
6654 SendToBoth("exclude all\n");
6655 WriteMap(0xFF); // fill map completely
6656 // now re-include selected moves
6657 j = 0; // count them
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, '+'), j++;
6660 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6663 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6666 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6667 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6668 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6675 DefaultPromoChoice (int white)
6678 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6679 gameInfo.variant == VariantMakruk)
6680 result = WhiteFerz; // no choice
6681 else if(gameInfo.variant == VariantASEAN)
6682 result = WhiteRook; // no choice
6683 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6684 result= WhiteKing; // in Suicide Q is the last thing we want
6685 else if(gameInfo.variant == VariantSpartan)
6686 result = white ? WhiteQueen : WhiteAngel;
6687 else result = WhiteQueen;
6688 if(!white) result = WHITE_TO_BLACK result;
6692 static int autoQueen; // [HGM] oneclick
6695 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6697 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6698 /* [HGM] add Shogi promotions */
6699 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6700 ChessSquare piece, partner;
6704 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6705 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6707 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6708 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6711 if(legal[toY][toX] == 4) return FALSE;
6713 piece = boards[currentMove][fromY][fromX];
6714 if(gameInfo.variant == VariantChu) {
6715 promotionZoneSize = (BOARD_HEIGHT - deadRanks)/3;
6716 if(legal[toY][toX] == 6) return FALSE; // no promotion if highlights deny it
6717 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6718 } else if(gameInfo.variant == VariantShogi) {
6719 promotionZoneSize = (BOARD_HEIGHT- deadRanks)/3 +(BOARD_HEIGHT == 8);
6720 highestPromotingPiece = (int)WhiteAlfil;
6721 if(PieceToChar(piece) != '+' || PieceToChar(CHUPROMOTED(piece)) == '+') highestPromotingPiece = piece;
6722 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6723 promotionZoneSize = 3;
6726 // Treat Lance as Pawn when it is not representing Amazon or Lance
6727 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6728 if(piece == WhiteLance) piece = WhitePawn; else
6729 if(piece == BlackLance) piece = BlackPawn;
6732 // next weed out all moves that do not touch the promotion zone at all
6733 if((int)piece >= BlackPawn) {
6734 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6736 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6737 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6739 if( toY < BOARD_HEIGHT - deadRanks - promotionZoneSize &&
6740 fromY < BOARD_HEIGHT - deadRanks - promotionZoneSize) return FALSE;
6741 if(fromY >= BOARD_HEIGHT - deadRanks - promotionZoneSize && gameInfo.variant == VariantChuChess)
6745 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6747 // weed out mandatory Shogi promotions
6748 if(gameInfo.variant == VariantShogi) {
6749 if(piece >= BlackPawn) {
6750 if(toY == 0 && piece == BlackPawn ||
6751 toY == 0 && piece == BlackQueen ||
6752 toY <= 1 && piece == BlackKnight) {
6757 if(toY == BOARD_HEIGHT-deadRanks-1 && piece == WhitePawn ||
6758 toY == BOARD_HEIGHT-deadRanks-1 && piece == WhiteQueen ||
6759 toY >= BOARD_HEIGHT-deadRanks-2 && piece == WhiteKnight) {
6766 // weed out obviously illegal Pawn moves
6767 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6768 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6769 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6770 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6771 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6772 // note we are not allowed to test for valid (non-)capture, due to premove
6775 // we either have a choice what to promote to, or (in Shogi) whether to promote
6776 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6777 gameInfo.variant == VariantMakruk) {
6778 ChessSquare p=BlackFerz; // no choice
6779 while(p < EmptySquare) { //but make sure we use piece that exists
6780 *promoChoice = PieceToChar(p++);
6781 if(*promoChoice != '.') break;
6783 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6785 // no sense asking what we must promote to if it is going to explode...
6786 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6787 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6790 // give caller the default choice even if we will not make it
6791 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6792 partner = piece; // pieces can promote if the pieceToCharTable says so
6793 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6794 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6795 if( sweepSelect && gameInfo.variant != VariantGreat
6796 && gameInfo.variant != VariantGrand
6797 && gameInfo.variant != VariantSuper) return FALSE;
6798 if(autoQueen) return FALSE; // predetermined
6800 // suppress promotion popup on illegal moves that are not premoves
6801 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6802 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6803 if(appData.testLegality && !premove) {
6804 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6805 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6806 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6807 if(moveType != WhitePromotion && moveType != BlackPromotion)
6815 InPalace (int row, int column)
6816 { /* [HGM] for Xiangqi */
6817 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6818 column < (BOARD_WIDTH + 4)/2 &&
6819 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6824 PieceForSquare (int x, int y)
6826 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT) return -1;
6827 if(x == BOARD_RGHT+1 && handOffsets & 1) y += handSize - BOARD_HEIGHT;
6828 if(x == BOARD_LEFT-2 && !(handOffsets & 2)) y += handSize - BOARD_HEIGHT;
6829 return boards[currentMove][y][x];
6833 More (Board board, int col, int start, int end)
6836 for(k=start; k<end; k++) if(board[k][col]) return (col == 1 ? WhiteMonarch : BlackMonarch); // arrow image
6841 DrawPosition (int repaint, Board board)
6843 Board compactedBoard;
6844 if(handSize > BOARD_HEIGHT && board) {
6846 CopyBoard(compactedBoard, board);
6847 if(handOffsets & 1) {
6848 for(k=0; k<BOARD_HEIGHT; k++) {
6849 compactedBoard[k][BOARD_WIDTH-1] = board[k+handSize-BOARD_HEIGHT][BOARD_WIDTH-1];
6850 compactedBoard[k][BOARD_WIDTH-2] = board[k+handSize-BOARD_HEIGHT][BOARD_WIDTH-2];
6852 compactedBoard[0][BOARD_WIDTH-1] = More(board, BOARD_WIDTH-2, 0, handSize-BOARD_HEIGHT+1);
6853 } else compactedBoard[BOARD_HEIGHT-1][BOARD_WIDTH-1] = More(board, BOARD_WIDTH-2, BOARD_HEIGHT-1, handSize);
6854 if(!(handOffsets & 2)) {
6855 for(k=0; k<BOARD_HEIGHT; k++) {
6856 compactedBoard[k][0] = board[k+handSize-BOARD_HEIGHT][0];
6857 compactedBoard[k][1] = board[k+handSize-BOARD_HEIGHT][1];
6859 compactedBoard[0][0] = More(board, 1, 0, handSize-BOARD_HEIGHT+1);
6860 } else compactedBoard[BOARD_HEIGHT-1][0] = More(board, 1, BOARD_HEIGHT-1, handSize);
6861 DrawPositionX(TRUE, compactedBoard);
6862 } else DrawPositionX(repaint, board);
6866 OKToStartUserMove (int x, int y)
6868 ChessSquare from_piece;
6871 if (matchMode) return FALSE;
6872 if (gameMode == EditPosition) return TRUE;
6874 if (x >= 0 && y >= 0)
6875 from_piece = boards[currentMove][y][x];
6877 from_piece = EmptySquare;
6879 if (from_piece == EmptySquare) return FALSE;
6881 white_piece = (int)from_piece >= (int)WhitePawn &&
6882 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6886 case TwoMachinesPlay:
6894 case MachinePlaysWhite:
6895 case IcsPlayingBlack:
6896 if (appData.zippyPlay) return FALSE;
6898 DisplayMoveError(_("You are playing Black"));
6903 case MachinePlaysBlack:
6904 case IcsPlayingWhite:
6905 if (appData.zippyPlay) return FALSE;
6907 DisplayMoveError(_("You are playing White"));
6912 case PlayFromGameFile:
6913 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6916 if (!white_piece && WhiteOnMove(currentMove)) {
6917 DisplayMoveError(_("It is White's turn"));
6920 if (white_piece && !WhiteOnMove(currentMove)) {
6921 DisplayMoveError(_("It is Black's turn"));
6924 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6925 /* Editing correspondence game history */
6926 /* Could disallow this or prompt for confirmation */
6931 case BeginningOfGame:
6932 if (appData.icsActive) return FALSE;
6933 if (!appData.noChessProgram) {
6935 DisplayMoveError(_("You are playing White"));
6942 if (!white_piece && WhiteOnMove(currentMove)) {
6943 DisplayMoveError(_("It is White's turn"));
6946 if (white_piece && !WhiteOnMove(currentMove)) {
6947 DisplayMoveError(_("It is Black's turn"));
6956 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6957 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6958 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6959 && gameMode != AnalyzeFile && gameMode != Training) {
6960 DisplayMoveError(_("Displayed position is not current"));
6967 OnlyMove (int *x, int *y, Boolean captures)
6969 DisambiguateClosure cl;
6970 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6972 case MachinePlaysBlack:
6973 case IcsPlayingWhite:
6974 case BeginningOfGame:
6975 if(!WhiteOnMove(currentMove)) return FALSE;
6977 case MachinePlaysWhite:
6978 case IcsPlayingBlack:
6979 if(WhiteOnMove(currentMove)) return FALSE;
6986 cl.pieceIn = EmptySquare;
6991 cl.promoCharIn = NULLCHAR;
6992 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6993 if( cl.kind == NormalMove ||
6994 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6995 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6996 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
7003 if(cl.kind != ImpossibleMove) return FALSE;
7004 cl.pieceIn = EmptySquare;
7009 cl.promoCharIn = NULLCHAR;
7010 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
7011 if( cl.kind == NormalMove ||
7012 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
7013 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
7014 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
7019 autoQueen = TRUE; // act as if autoQueen on when we click to-square
7025 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
7026 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
7027 int lastLoadGameUseList = FALSE;
7028 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
7029 ChessMove lastLoadGameStart = EndOfFile;
7031 Boolean addToBookFlag;
7032 static Board rightsBoard, nullBoard;
7035 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
7039 int ff=fromX, rf=fromY, ft=toX, rt=toY;
7041 /* Check if the user is playing in turn. This is complicated because we
7042 let the user "pick up" a piece before it is his turn. So the piece he
7043 tried to pick up may have been captured by the time he puts it down!
7044 Therefore we use the color the user is supposed to be playing in this
7045 test, not the color of the piece that is currently on the starting
7046 square---except in EditGame mode, where the user is playing both
7047 sides; fortunately there the capture race can't happen. (It can
7048 now happen in IcsExamining mode, but that's just too bad. The user
7049 will get a somewhat confusing message in that case.)
7054 case TwoMachinesPlay:
7058 /* We switched into a game mode where moves are not accepted,
7059 perhaps while the mouse button was down. */
7062 case MachinePlaysWhite:
7063 /* User is moving for Black */
7064 if (WhiteOnMove(currentMove)) {
7065 DisplayMoveError(_("It is White's turn"));
7070 case MachinePlaysBlack:
7071 /* User is moving for White */
7072 if (!WhiteOnMove(currentMove)) {
7073 DisplayMoveError(_("It is Black's turn"));
7078 case PlayFromGameFile:
7079 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7082 case BeginningOfGame:
7085 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7086 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7087 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7088 /* User is moving for Black */
7089 if (WhiteOnMove(currentMove)) {
7090 DisplayMoveError(_("It is White's turn"));
7094 /* User is moving for White */
7095 if (!WhiteOnMove(currentMove)) {
7096 DisplayMoveError(_("It is Black's turn"));
7102 case IcsPlayingBlack:
7103 /* User is moving for Black */
7104 if (WhiteOnMove(currentMove)) {
7105 if (!appData.premove) {
7106 DisplayMoveError(_("It is White's turn"));
7107 } else if (toX >= 0 && toY >= 0) {
7110 premoveFromX = fromX;
7111 premoveFromY = fromY;
7112 premovePromoChar = promoChar;
7114 if (appData.debugMode)
7115 fprintf(debugFP, "Got premove: fromX %d,"
7116 "fromY %d, toX %d, toY %d\n",
7117 fromX, fromY, toX, toY);
7119 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7124 case IcsPlayingWhite:
7125 /* User is moving for White */
7126 if (!WhiteOnMove(currentMove)) {
7127 if (!appData.premove) {
7128 DisplayMoveError(_("It is Black's turn"));
7129 } else if (toX >= 0 && toY >= 0) {
7132 premoveFromX = fromX;
7133 premoveFromY = fromY;
7134 premovePromoChar = promoChar;
7136 if (appData.debugMode)
7137 fprintf(debugFP, "Got premove: fromX %d,"
7138 "fromY %d, toX %d, toY %d\n",
7139 fromX, fromY, toX, toY);
7141 DrawPosition(TRUE, boards[currentMove]);
7150 /* EditPosition, empty square, or different color piece;
7151 click-click move is possible */
7152 if (toX == -2 || toY == -2) {
7153 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7154 DrawPosition(FALSE, boards[currentMove]);
7156 } else if (toX >= 0 && toY >= 0) {
7157 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7158 ChessSquare p = boards[0][rf][ff];
7159 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7160 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p); else
7161 if(p == WhiteKing || p == BlackKing || p == WhiteRook || p == BlackRook || p == WhitePawn || p == BlackPawn) {
7162 int n = rightsBoard[toY][toX] ^= 1; // toggle virginity of K or R
7163 DisplayMessage("", n ? _("rights granted") : _("rights revoked"));
7166 } else rightsBoard[toY][toX] = 0; // revoke rights on moving
7167 boards[0][toY][toX] = boards[0][fromY][fromX];
7168 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7169 if(boards[0][fromY][0] != EmptySquare) {
7170 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7171 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7174 if(fromX == BOARD_RGHT+1) {
7175 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7176 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7177 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7180 boards[0][fromY][fromX] = gatingPiece;
7182 DrawPosition(FALSE, boards[currentMove]);
7188 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7189 pup = boards[currentMove][toY][toX];
7191 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7192 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7193 if( pup != EmptySquare ) return;
7194 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7195 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7196 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7197 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7198 if(fromX == 0) fromY = handSize-1 - fromY; // black holdings upside-down
7199 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7200 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7204 /* [HGM] always test for legality, to get promotion info */
7205 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7206 fromY, fromX, toY, toX, promoChar);
7208 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7210 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7212 /* [HGM] but possibly ignore an IllegalMove result */
7213 if (appData.testLegality) {
7214 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7215 DisplayMoveError(_("Illegal move"));
7220 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7221 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7222 ClearPremoveHighlights(); // was included
7223 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7224 DrawPosition(FALSE, NULL);
7228 if(addToBookFlag) { // adding moves to book
7229 char buf[MSG_SIZ], move[MSG_SIZ];
7230 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7231 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7232 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7233 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7235 addToBookFlag = FALSE;
7240 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7243 /* Common tail of UserMoveEvent and DropMenuEvent */
7245 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7249 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7250 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7251 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7252 if(WhiteOnMove(currentMove)) {
7253 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7255 if(!boards[currentMove][handSize-1-k][1]) return 0;
7259 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7260 move type in caller when we know the move is a legal promotion */
7261 if(moveType == NormalMove && promoChar)
7262 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7264 /* [HGM] <popupFix> The following if has been moved here from
7265 UserMoveEvent(). Because it seemed to belong here (why not allow
7266 piece drops in training games?), and because it can only be
7267 performed after it is known to what we promote. */
7268 if (gameMode == Training) {
7269 /* compare the move played on the board to the next move in the
7270 * game. If they match, display the move and the opponent's response.
7271 * If they don't match, display an error message.
7275 CopyBoard(testBoard, boards[currentMove]);
7276 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7278 if (CompareBoards(testBoard, boards[currentMove+1])) {
7279 ForwardInner(currentMove+1);
7281 /* Autoplay the opponent's response.
7282 * if appData.animate was TRUE when Training mode was entered,
7283 * the response will be animated.
7285 saveAnimate = appData.animate;
7286 appData.animate = animateTraining;
7287 ForwardInner(currentMove+1);
7288 appData.animate = saveAnimate;
7290 /* check for the end of the game */
7291 if (currentMove >= forwardMostMove) {
7292 gameMode = PlayFromGameFile;
7294 SetTrainingModeOff();
7295 DisplayInformation(_("End of game"));
7298 DisplayError(_("Incorrect move"), 0);
7303 /* Ok, now we know that the move is good, so we can kill
7304 the previous line in Analysis Mode */
7305 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7306 && currentMove < forwardMostMove) {
7307 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7308 else forwardMostMove = currentMove;
7313 /* If we need the chess program but it's dead, restart it */
7314 ResurrectChessProgram();
7316 /* A user move restarts a paused game*/
7320 thinkOutput[0] = NULLCHAR;
7322 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7324 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7325 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7329 if (gameMode == BeginningOfGame) {
7330 if (appData.noChessProgram) {
7331 gameMode = EditGame;
7335 gameMode = MachinePlaysBlack;
7338 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7340 if (first.sendName) {
7341 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7342 SendToProgram(buf, &first);
7349 /* Relay move to ICS or chess engine */
7350 if (appData.icsActive) {
7351 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7352 gameMode == IcsExamining) {
7353 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7354 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7356 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7358 // also send plain move, in case ICS does not understand atomic claims
7359 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7363 if (first.sendTime && (gameMode == BeginningOfGame ||
7364 gameMode == MachinePlaysWhite ||
7365 gameMode == MachinePlaysBlack)) {
7366 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7368 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7369 // [HGM] book: if program might be playing, let it use book
7370 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7371 first.maybeThinking = TRUE;
7372 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7373 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7374 SendBoard(&first, currentMove+1);
7375 if(second.analyzing) {
7376 if(!second.useSetboard) SendToProgram("undo\n", &second);
7377 SendBoard(&second, currentMove+1);
7380 SendMoveToProgram(forwardMostMove-1, &first);
7381 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7383 if (currentMove == cmailOldMove + 1) {
7384 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7388 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7392 if(appData.testLegality)
7393 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7399 if (WhiteOnMove(currentMove)) {
7400 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7402 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7406 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7411 case MachinePlaysBlack:
7412 case MachinePlaysWhite:
7413 /* disable certain menu options while machine is thinking */
7414 SetMachineThinkingEnables();
7421 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7422 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7424 if(bookHit) { // [HGM] book: simulate book reply
7425 static char bookMove[MSG_SIZ]; // a bit generous?
7427 programStats.nodes = programStats.depth = programStats.time =
7428 programStats.score = programStats.got_only_move = 0;
7429 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7431 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7432 strcat(bookMove, bookHit);
7433 HandleMachineMove(bookMove, &first);
7439 MarkByFEN(char *fen)
7442 if(!appData.markers || !appData.highlightDragging) return;
7443 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = marker[r][f] = 0;
7444 r=BOARD_HEIGHT-1-deadRanks; f=BOARD_LEFT;
7447 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7448 if(*fen == 'B') legal[r][f] = 4; else // request auto-promotion to victim
7449 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 6; else
7450 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7451 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7452 if(*fen == 'T') marker[r][f++] = 0; else
7453 if(*fen == 'Y') marker[r][f++] = 1; else
7454 if(*fen == 'G') marker[r][f++] = 3; else
7455 if(*fen == 'B') marker[r][f++] = 4; else
7456 if(*fen == 'C') marker[r][f++] = 5; else
7457 if(*fen == 'M') marker[r][f++] = 6; else
7458 if(*fen == 'W') marker[r][f++] = 7; else
7459 if(*fen == 'D') marker[r][f++] = 8; else
7460 if(*fen == 'R') marker[r][f++] = 2; else {
7461 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7464 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7468 DrawPosition(TRUE, NULL);
7471 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7474 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7476 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7477 Markers *m = (Markers *) closure;
7478 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7479 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7480 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7481 || kind == WhiteCapturesEnPassant
7482 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7483 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7486 static int hoverSavedValid;
7489 MarkTargetSquares (int clear)
7492 if(clear) { // no reason to ever suppress clearing
7493 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7494 hoverSavedValid = 0;
7495 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7498 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7499 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7500 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7501 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7502 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7504 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;
7507 DrawPosition(FALSE, NULL);
7511 Explode (Board board, int fromX, int fromY, int toX, int toY)
7513 if(gameInfo.variant == VariantAtomic &&
7514 (board[toY][toX] != EmptySquare || // capture?
7515 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7516 board[fromY][fromX] == BlackPawn )
7518 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7524 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7527 CanPromote (ChessSquare piece, int y)
7529 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7530 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7531 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7532 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7533 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7534 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7535 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7536 return (piece == BlackPawn && y <= zone ||
7537 piece == WhitePawn && y >= BOARD_HEIGHT-1-deadRanks-zone ||
7538 piece == BlackLance && y <= zone ||
7539 piece == WhiteLance && y >= BOARD_HEIGHT-1-deadRanks-zone );
7543 HoverEvent (int xPix, int yPix, int x, int y)
7545 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7547 if(!first.highlight) return;
7548 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7549 if(x == oldX && y == oldY) return; // only do something if we enter new square
7550 oldFromX = fromX; oldFromY = fromY;
7551 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7552 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7553 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7554 hoverSavedValid = 1;
7555 } else if(oldX != x || oldY != y) {
7556 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7557 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7558 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7559 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7560 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7562 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7563 SendToProgram(buf, &first);
7566 // SetHighlights(fromX, fromY, x, y);
7570 void ReportClick(char *action, int x, int y)
7572 char buf[MSG_SIZ]; // Inform engine of what user does
7574 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7575 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7576 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7577 if(!first.highlight || gameMode == EditPosition) return;
7578 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7579 SendToProgram(buf, &first);
7582 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7583 Boolean deferChoice;
7586 LeftClick (ClickType clickType, int xPix, int yPix)
7589 static Boolean saveAnimate;
7590 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7591 char promoChoice = NULLCHAR;
7593 static TimeMark lastClickTime, prevClickTime;
7595 if(flashing) return;
7597 if(!deferChoice) { // when called for a retry, skip everything to the point where we left off
7598 x = EventToSquare(xPix, BOARD_WIDTH);
7599 y = EventToSquare(yPix, BOARD_HEIGHT);
7600 if (!flipView && y >= 0) {
7601 y = BOARD_HEIGHT - 1 - y;
7603 if (flipView && x >= 0) {
7604 x = BOARD_WIDTH - 1 - x;
7607 // map clicks in offsetted holdings back to true coords (or switch the offset)
7608 if(x == BOARD_RGHT+1) {
7609 if(handOffsets & 1) {
7610 if(y == 0) { handOffsets &= ~1; DrawPosition(TRUE, boards[currentMove]); return; }
7611 y += handSize - BOARD_HEIGHT;
7612 } else if(y == BOARD_HEIGHT-1) { handOffsets |= 1; DrawPosition(TRUE, boards[currentMove]); return; }
7614 if(x == BOARD_LEFT-2) {
7615 if(!(handOffsets & 2)) {
7616 if(y == 0) { handOffsets |= 2; DrawPosition(TRUE, boards[currentMove]); return; }
7617 y += handSize - BOARD_HEIGHT;
7618 } else if(y == BOARD_HEIGHT-1) { handOffsets &= ~2; DrawPosition(TRUE, boards[currentMove]); return; }
7621 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7623 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7628 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7630 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7632 if (clickType == Press) ErrorPopDown();
7633 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7635 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7636 defaultPromoChoice = promoSweep;
7637 promoSweep = EmptySquare; // terminate sweep
7638 promoDefaultAltered = TRUE;
7639 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7642 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7643 if(clickType == Release) return; // ignore upclick of click-click destination
7644 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7645 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7646 if(gameInfo.holdingsWidth &&
7647 (WhiteOnMove(currentMove)
7648 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7649 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7650 // click in right holdings, for determining promotion piece
7651 ChessSquare p = boards[currentMove][y][x];
7652 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7653 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7654 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7655 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7660 DrawPosition(FALSE, boards[currentMove]);
7664 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7665 if(clickType == Press
7666 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7667 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7668 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7671 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7672 // could be static click on premove from-square: abort premove
7674 ClearPremoveHighlights();
7677 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7678 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7680 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7681 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7682 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7683 defaultPromoChoice = DefaultPromoChoice(side);
7686 autoQueen = appData.alwaysPromoteToQueen;
7690 gatingPiece = EmptySquare;
7691 if (clickType != Press) {
7692 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7693 DragPieceEnd(xPix, yPix); dragging = 0;
7694 DrawPosition(FALSE, NULL);
7698 doubleClick = FALSE;
7699 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7700 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7702 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7703 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7704 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7705 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7707 if (OKToStartUserMove(fromX, fromY)) {
7709 ReportClick("lift", x, y);
7710 MarkTargetSquares(0);
7711 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7712 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7713 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7714 promoSweep = defaultPromoChoice;
7715 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7716 Sweep(0); // Pawn that is going to promote: preview promotion piece
7717 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7719 if (appData.highlightDragging) {
7720 SetHighlights(fromX, fromY, -1, -1);
7724 } else fromX = fromY = -1;
7730 if (clickType == Press && gameMode != EditPosition) {
7735 // ignore off-board to clicks
7736 if(y < 0 || x < 0) return;
7738 /* Check if clicking again on the same color piece */
7739 fromP = boards[currentMove][fromY][fromX];
7740 toP = boards[currentMove][y][x];
7741 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7742 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7743 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7744 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7745 WhitePawn <= toP && toP <= WhiteKing &&
7746 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7747 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7748 (BlackPawn <= fromP && fromP <= BlackKing &&
7749 BlackPawn <= toP && toP <= BlackKing &&
7750 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7751 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7752 /* Clicked again on same color piece -- changed his mind */
7753 second = (x == fromX && y == fromY);
7754 killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7755 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7756 second = FALSE; // first double-click rather than scond click
7757 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7759 promoDefaultAltered = FALSE;
7760 if(!second) MarkTargetSquares(1);
7761 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7762 if (appData.highlightDragging) {
7763 SetHighlights(x, y, -1, -1);
7767 if (OKToStartUserMove(x, y)) {
7768 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7769 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7770 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7771 gatingPiece = boards[currentMove][fromY][fromX];
7772 else gatingPiece = doubleClick ? fromP : EmptySquare;
7774 fromY = y; dragging = 1;
7775 if(!second) ReportClick("lift", x, y);
7776 MarkTargetSquares(0);
7777 DragPieceBegin(xPix, yPix, FALSE);
7778 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7779 promoSweep = defaultPromoChoice;
7780 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7781 Sweep(0); // Pawn that is going to promote: preview promotion piece
7785 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7788 // ignore clicks on holdings
7789 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7792 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7793 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7794 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7798 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7799 DragPieceEnd(xPix, yPix); dragging = 0;
7801 // a deferred attempt to click-click move an empty square on top of a piece
7802 boards[currentMove][y][x] = EmptySquare;
7804 DrawPosition(FALSE, boards[currentMove]);
7805 fromX = fromY = -1; clearFlag = 0;
7808 if (appData.animateDragging) {
7809 /* Undo animation damage if any */
7810 DrawPosition(FALSE, NULL);
7813 /* Second up/down in same square; just abort move */
7816 gatingPiece = EmptySquare;
7819 ClearPremoveHighlights();
7820 MarkTargetSquares(-1);
7821 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7823 /* First upclick in same square; start click-click mode */
7824 SetHighlights(x, y, -1, -1);
7831 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7832 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7833 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7834 DisplayMessage(_("only marked squares are legal"),"");
7835 DrawPosition(TRUE, NULL);
7836 return; // ignore to-click
7839 /* we now have a different from- and (possibly off-board) to-square */
7840 /* Completed move */
7841 if(!sweepSelecting) {
7846 piece = boards[currentMove][fromY][fromX];
7848 saveAnimate = appData.animate;
7849 if (clickType == Press) {
7850 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7851 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7852 // must be Edit Position mode with empty-square selected
7853 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7854 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7857 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7860 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7861 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7863 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7864 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7865 if(appData.sweepSelect) {
7866 promoSweep = defaultPromoChoice;
7867 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7868 selectFlag = 0; lastX = xPix; lastY = yPix;
7869 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7870 saveFlash = appData.flashCount; appData.flashCount = 0;
7871 Sweep(0); // Pawn that is going to promote: preview promotion piece
7873 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7874 MarkTargetSquares(1);
7876 return; // promo popup appears on up-click
7878 /* Finish clickclick move */
7879 if (appData.animate || appData.highlightLastMove) {
7880 SetHighlights(fromX, fromY, toX, toY);
7884 MarkTargetSquares(1);
7885 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7886 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7887 *promoRestrict = 0; appData.flashCount = saveFlash;
7888 if (appData.animate || appData.highlightLastMove) {
7889 SetHighlights(fromX, fromY, toX, toY);
7893 MarkTargetSquares(1);
7896 // [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
7897 /* Finish drag move */
7898 if (appData.highlightLastMove) {
7899 SetHighlights(fromX, fromY, toX, toY);
7904 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7905 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7906 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7907 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7908 dragging *= 2; // flag button-less dragging if we are dragging
7909 MarkTargetSquares(1);
7910 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7912 kill2X = killX; kill2Y = killY;
7913 killX = x; killY = y; // remember this square as intermediate
7914 ReportClick("put", x, y); // and inform engine
7915 ReportClick("lift", x, y);
7916 MarkTargetSquares(0);
7920 DragPieceEnd(xPix, yPix); dragging = 0;
7921 /* Don't animate move and drag both */
7922 appData.animate = FALSE;
7923 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7926 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7927 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7928 ChessSquare piece = boards[currentMove][fromY][fromX];
7929 if(gameMode == EditPosition && piece != EmptySquare &&
7930 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7933 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7934 n = PieceToNumber(piece - (int)BlackPawn);
7935 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7936 boards[currentMove][handSize-1 - n][0] = piece;
7937 boards[currentMove][handSize-1 - n][1]++;
7939 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7940 n = PieceToNumber(piece);
7941 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7942 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7943 boards[currentMove][n][BOARD_WIDTH-2]++;
7945 boards[currentMove][fromY][fromX] = EmptySquare;
7949 MarkTargetSquares(1);
7950 DrawPosition(TRUE, boards[currentMove]);
7954 // off-board moves should not be highlighted
7955 if(x < 0 || y < 0) {
7957 DrawPosition(FALSE, NULL);
7958 } else ReportClick("put", x, y);
7960 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7963 if(legal[toY][toX] == 2) { // highlight-induced promotion
7964 if(piece == defaultPromoChoice) promoChoice = NULLCHAR; // deferral
7965 else promoChoice = ToLower(PieceToChar(defaultPromoChoice));
7966 } else if(legal[toY][toX] == 4) { // blue target square: engine must supply promotion choice
7967 if(!*promoRestrict) { // but has not done that yet
7968 deferChoice = TRUE; // set up retry for when it does
7969 return; // and wait for that
7971 promoChoice = ToLower(*promoRestrict); // force engine's choice
7972 deferChoice = FALSE;
7975 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7976 SetHighlights(fromX, fromY, toX, toY);
7977 MarkTargetSquares(1);
7978 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7979 // [HGM] super: promotion to captured piece selected from holdings
7980 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7981 promotionChoice = TRUE;
7982 // kludge follows to temporarily execute move on display, without promoting yet
7983 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7984 boards[currentMove][toY][toX] = p;
7985 DrawPosition(FALSE, boards[currentMove]);
7986 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7987 boards[currentMove][toY][toX] = q;
7988 DisplayMessage("Click in holdings to choose piece", "");
7991 DrawPosition(FALSE, NULL); // shows piece on from-square during promo popup
7992 PromotionPopUp(promoChoice);
7994 int oldMove = currentMove;
7995 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
7996 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7997 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7998 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY), DrawPosition(FALSE, NULL);
7999 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
8000 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
8001 DrawPosition(TRUE, boards[currentMove]);
8002 else DrawPosition(FALSE, NULL);
8006 appData.animate = saveAnimate;
8007 if (appData.animate || appData.animateDragging) {
8008 /* Undo animation damage if needed */
8009 // DrawPosition(FALSE, NULL);
8014 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
8015 { // front-end-free part taken out of PieceMenuPopup
8016 int whichMenu; int xSqr, ySqr;
8018 if(seekGraphUp) { // [HGM] seekgraph
8019 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
8020 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
8024 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
8025 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
8026 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
8027 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
8028 if(action == Press) {
8029 originalFlip = flipView;
8030 flipView = !flipView; // temporarily flip board to see game from partners perspective
8031 DrawPosition(TRUE, partnerBoard);
8032 DisplayMessage(partnerStatus, "");
8034 } else if(action == Release) {
8035 flipView = originalFlip;
8036 DrawPosition(TRUE, boards[currentMove]);
8042 xSqr = EventToSquare(x, BOARD_WIDTH);
8043 ySqr = EventToSquare(y, BOARD_HEIGHT);
8044 if (action == Release) {
8045 if(pieceSweep != EmptySquare) {
8046 EditPositionMenuEvent(pieceSweep, toX, toY);
8047 pieceSweep = EmptySquare;
8048 } else UnLoadPV(); // [HGM] pv
8050 if (action != Press) return -2; // return code to be ignored
8053 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
8055 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
8056 if (xSqr < 0 || ySqr < 0) return -1;
8057 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
8058 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
8059 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
8060 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
8064 if(!appData.icsEngineAnalyze) return -1;
8065 case IcsPlayingWhite:
8066 case IcsPlayingBlack:
8067 if(!appData.zippyPlay) goto noZip;
8070 case MachinePlaysWhite:
8071 case MachinePlaysBlack:
8072 case TwoMachinesPlay: // [HGM] pv: use for showing PV
8073 if (!appData.dropMenu) {
8075 return 2; // flag front-end to grab mouse events
8077 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
8078 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
8081 if (xSqr < 0 || ySqr < 0) return -1;
8082 if (!appData.dropMenu || appData.testLegality &&
8083 gameInfo.variant != VariantBughouse &&
8084 gameInfo.variant != VariantCrazyhouse) return -1;
8085 whichMenu = 1; // drop menu
8091 if (((*fromX = xSqr) < 0) ||
8092 ((*fromY = ySqr) < 0)) {
8093 *fromX = *fromY = -1;
8097 *fromX = BOARD_WIDTH - 1 - *fromX;
8099 *fromY = BOARD_HEIGHT - 1 - *fromY;
8105 Wheel (int dir, int x, int y)
8107 if(gameMode == EditPosition) {
8108 int xSqr = EventToSquare(x, BOARD_WIDTH);
8109 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8110 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8111 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8113 boards[currentMove][ySqr][xSqr] += dir;
8114 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8115 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8116 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8117 DrawPosition(FALSE, boards[currentMove]);
8118 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8122 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8124 // char * hint = lastHint;
8125 FrontEndProgramStats stats;
8127 stats.which = cps == &first ? 0 : 1;
8128 stats.depth = cpstats->depth;
8129 stats.nodes = cpstats->nodes;
8130 stats.score = cpstats->score;
8131 stats.time = cpstats->time;
8132 stats.pv = cpstats->movelist;
8133 stats.hint = lastHint;
8134 stats.an_move_index = 0;
8135 stats.an_move_count = 0;
8137 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8138 stats.hint = cpstats->move_name;
8139 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8140 stats.an_move_count = cpstats->nr_moves;
8143 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
8145 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8146 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8148 SetProgramStats( &stats );
8152 ClearEngineOutputPane (int which)
8154 static FrontEndProgramStats dummyStats;
8155 dummyStats.which = which;
8156 dummyStats.pv = "#";
8157 SetProgramStats( &dummyStats );
8160 #define MAXPLAYERS 500
8163 TourneyStandings (int display)
8165 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8166 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8167 char result, *p, *names[MAXPLAYERS];
8169 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8170 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8171 names[0] = p = strdup(appData.participants);
8172 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8174 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8176 while(result = appData.results[nr]) {
8177 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8178 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8179 wScore = bScore = 0;
8181 case '+': wScore = 2; break;
8182 case '-': bScore = 2; break;
8183 case '=': wScore = bScore = 1; break;
8185 case '*': return strdup("busy"); // tourney not finished
8193 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8194 for(w=0; w<nPlayers; w++) {
8196 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8197 ranking[w] = b; points[w] = bScore; score[b] = -2;
8199 p = malloc(nPlayers*34+1);
8200 for(w=0; w<nPlayers && w<display; w++)
8201 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8207 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8208 { // count all piece types
8210 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8211 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8212 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8215 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8216 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8217 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8218 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8219 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8220 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8225 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8227 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8228 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8230 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8231 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8232 if(myPawns == 2 && nMine == 3) // KPP
8233 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8234 if(myPawns == 1 && nMine == 2) // KP
8235 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8236 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8237 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8238 if(myPawns) return FALSE;
8239 if(pCnt[WhiteRook+side])
8240 return pCnt[BlackRook-side] ||
8241 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8242 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8243 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8244 if(pCnt[WhiteCannon+side]) {
8245 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8246 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8248 if(pCnt[WhiteKnight+side])
8249 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8254 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8256 VariantClass v = gameInfo.variant;
8258 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8259 if(v == VariantShatranj) return TRUE; // always winnable through baring
8260 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8261 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8263 if(v == VariantXiangqi) {
8264 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8266 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8267 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8268 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8269 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8270 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8271 if(stale) // we have at least one last-rank P plus perhaps C
8272 return majors // KPKX
8273 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8275 return pCnt[WhiteFerz+side] // KCAK
8276 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8277 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8278 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8280 } else if(v == VariantKnightmate) {
8281 if(nMine == 1) return FALSE;
8282 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8283 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8284 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8286 if(nMine == 1) return FALSE; // bare King
8287 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
8288 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8289 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8290 // by now we have King + 1 piece (or multiple Bishops on the same color)
8291 if(pCnt[WhiteKnight+side])
8292 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8293 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8294 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8296 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8297 if(pCnt[WhiteAlfil+side])
8298 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8299 if(pCnt[WhiteWazir+side])
8300 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8307 CompareWithRights (Board b1, Board b2)
8310 if(!CompareBoards(b1, b2)) return FALSE;
8311 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8312 /* compare castling rights */
8313 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8314 rights++; /* King lost rights, while rook still had them */
8315 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8316 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8317 rights++; /* but at least one rook lost them */
8319 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8321 if( b1[CASTLING][5] != NoRights ) {
8322 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8329 Adjudicate (ChessProgramState *cps)
8330 { // [HGM] some adjudications useful with buggy engines
8331 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8332 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8333 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8334 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8335 int k, drop, count = 0; static int bare = 1;
8336 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8337 Boolean canAdjudicate = !appData.icsActive;
8339 // most tests only when we understand the game, i.e. legality-checking on
8340 if( appData.testLegality )
8341 { /* [HGM] Some more adjudications for obstinate engines */
8342 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8343 static int moveCount = 6;
8345 char *reason = NULL;
8347 /* Count what is on board. */
8348 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8350 /* Some material-based adjudications that have to be made before stalemate test */
8351 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8352 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8353 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8354 if(canAdjudicate && appData.checkMates) {
8356 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8357 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8358 "Xboard adjudication: King destroyed", GE_XBOARD );
8363 /* Bare King in Shatranj (loses) or Losers (wins) */
8364 if( nrW == 1 || nrB == 1) {
8365 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8366 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8367 if(canAdjudicate && appData.checkMates) {
8369 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8370 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8371 "Xboard adjudication: Bare king", GE_XBOARD );
8375 if( gameInfo.variant == VariantShatranj && --bare < 0)
8377 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8378 if(canAdjudicate && appData.checkMates) {
8379 /* but only adjudicate if adjudication enabled */
8381 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8382 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8383 "Xboard adjudication: Bare king", GE_XBOARD );
8390 // don't wait for engine to announce game end if we can judge ourselves
8391 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8393 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8394 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8395 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8396 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8399 reason = "Xboard adjudication: 3rd check";
8400 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8411 reason = "Xboard adjudication: Stalemate";
8412 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8413 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8414 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8415 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8416 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8417 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8418 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8419 EP_CHECKMATE : EP_WINS);
8420 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8421 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8425 reason = "Xboard adjudication: Checkmate";
8426 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8427 if(gameInfo.variant == VariantShogi) {
8428 if(forwardMostMove > backwardMostMove
8429 && moveList[forwardMostMove-1][1] == '@'
8430 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8431 reason = "XBoard adjudication: pawn-drop mate";
8432 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8438 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8440 result = GameIsDrawn; break;
8442 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8444 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8448 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8450 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8451 GameEnds( result, reason, GE_XBOARD );
8455 /* Next absolutely insufficient mating material. */
8456 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8457 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8458 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8460 /* always flag draws, for judging claims */
8461 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8463 if(canAdjudicate && appData.materialDraws) {
8464 /* but only adjudicate them if adjudication enabled */
8465 if(engineOpponent) {
8466 SendToProgram("force\n", engineOpponent); // suppress reply
8467 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8469 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8474 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8475 if(gameInfo.variant == VariantXiangqi ?
8476 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8478 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8479 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8480 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8481 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8483 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8484 { /* if the first 3 moves do not show a tactical win, declare draw */
8485 if(engineOpponent) {
8486 SendToProgram("force\n", engineOpponent); // suppress reply
8487 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8489 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8492 } else moveCount = 6;
8495 // Repetition draws and 50-move rule can be applied independently of legality testing
8497 /* Check for rep-draws */
8499 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8500 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8501 for(k = forwardMostMove-2;
8502 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8503 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8504 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8507 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8508 /* compare castling rights */
8509 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8510 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8511 rights++; /* King lost rights, while rook still had them */
8512 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8513 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8514 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8515 rights++; /* but at least one rook lost them */
8517 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8518 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8520 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8521 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8522 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8525 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8526 && appData.drawRepeats > 1) {
8527 /* adjudicate after user-specified nr of repeats */
8528 int result = GameIsDrawn;
8529 char *details = "XBoard adjudication: repetition draw";
8530 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8531 // [HGM] xiangqi: check for forbidden perpetuals
8532 int m, ourPerpetual = 1, hisPerpetual = 1;
8533 for(m=forwardMostMove; m>k; m-=2) {
8534 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8535 ourPerpetual = 0; // the current mover did not always check
8536 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8537 hisPerpetual = 0; // the opponent did not always check
8539 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8540 ourPerpetual, hisPerpetual);
8541 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8542 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8543 details = "Xboard adjudication: perpetual checking";
8545 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8546 break; // (or we would have caught him before). Abort repetition-checking loop.
8548 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8549 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8551 details = "Xboard adjudication: repetition";
8553 } else // it must be XQ
8554 // Now check for perpetual chases
8555 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8556 hisPerpetual = PerpetualChase(k, forwardMostMove);
8557 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8558 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8559 static char resdet[MSG_SIZ];
8560 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8562 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8564 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8565 break; // Abort repetition-checking loop.
8567 // if neither of us is checking or chasing all the time, or both are, it is draw
8569 if(engineOpponent) {
8570 SendToProgram("force\n", engineOpponent); // suppress reply
8571 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8573 GameEnds( result, details, GE_XBOARD );
8576 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8577 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8581 /* Now we test for 50-move draws. Determine ply count */
8582 count = forwardMostMove;
8583 /* look for last irreversble move */
8584 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8586 /* if we hit starting position, add initial plies */
8587 if( count == backwardMostMove )
8588 count -= initialRulePlies;
8589 count = forwardMostMove - count;
8590 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8591 // adjust reversible move counter for checks in Xiangqi
8592 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8593 if(i < backwardMostMove) i = backwardMostMove;
8594 while(i <= forwardMostMove) {
8595 lastCheck = inCheck; // check evasion does not count
8596 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8597 if(inCheck || lastCheck) count--; // check does not count
8602 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8603 /* this is used to judge if draw claims are legal */
8604 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8605 if(engineOpponent) {
8606 SendToProgram("force\n", engineOpponent); // suppress reply
8607 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8609 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8613 /* if draw offer is pending, treat it as a draw claim
8614 * when draw condition present, to allow engines a way to
8615 * claim draws before making their move to avoid a race
8616 * condition occurring after their move
8618 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8620 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8621 p = "Draw claim: 50-move rule";
8622 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8623 p = "Draw claim: 3-fold repetition";
8624 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8625 p = "Draw claim: insufficient mating material";
8626 if( p != NULL && canAdjudicate) {
8627 if(engineOpponent) {
8628 SendToProgram("force\n", engineOpponent); // suppress reply
8629 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8631 GameEnds( GameIsDrawn, p, GE_XBOARD );
8636 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8637 if(engineOpponent) {
8638 SendToProgram("force\n", engineOpponent); // suppress reply
8639 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8641 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8647 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8648 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8649 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8654 int pieces[10], squares[10], cnt=0, r, f, res;
8656 static PPROBE_EGBB probeBB;
8657 if(!appData.testLegality) return 10;
8658 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8659 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8660 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8661 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8662 ChessSquare piece = boards[forwardMostMove][r][f];
8663 int black = (piece >= BlackPawn);
8664 int type = piece - black*BlackPawn;
8665 if(piece == EmptySquare) continue;
8666 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8667 if(type == WhiteKing) type = WhiteQueen + 1;
8668 type = egbbCode[type];
8669 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8670 pieces[cnt] = type + black*6;
8671 if(++cnt > 5) return 11;
8673 pieces[cnt] = squares[cnt] = 0;
8675 if(loaded == 2) return 13; // loading failed before
8677 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8680 loaded = 2; // prepare for failure
8681 if(!path) return 13; // no egbb installed
8682 strncpy(buf, path + 8, MSG_SIZ);
8683 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8684 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8685 lib = LoadLibrary(buf);
8686 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8687 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8688 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8689 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8690 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8691 loaded = 1; // success!
8693 res = probeBB(forwardMostMove & 1, pieces, squares);
8694 return res > 0 ? 1 : res < 0 ? -1 : 0;
8698 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8699 { // [HGM] book: this routine intercepts moves to simulate book replies
8700 char *bookHit = NULL;
8702 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8704 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8705 SendToProgram(buf, cps);
8707 //first determine if the incoming move brings opponent into his book
8708 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8709 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8710 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8711 if(bookHit != NULL && !cps->bookSuspend) {
8712 // make sure opponent is not going to reply after receiving move to book position
8713 SendToProgram("force\n", cps);
8714 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8716 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8717 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8718 // now arrange restart after book miss
8720 // after a book hit we never send 'go', and the code after the call to this routine
8721 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8722 char buf[MSG_SIZ], *move = bookHit;
8724 int fromX, fromY, toX, toY;
8728 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8729 &fromX, &fromY, &toX, &toY, &promoChar)) {
8730 (void) CoordsToAlgebraic(boards[forwardMostMove],
8731 PosFlags(forwardMostMove),
8732 fromY, fromX, toY, toX, promoChar, move);
8734 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8738 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8739 SendToProgram(buf, cps);
8740 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8741 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8742 SendToProgram("go\n", cps);
8743 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8744 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8745 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8746 SendToProgram("go\n", cps);
8747 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8749 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8753 LoadError (char *errmess, ChessProgramState *cps)
8754 { // unloads engine and switches back to -ncp mode if it was first
8755 if(cps->initDone) return FALSE;
8756 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8757 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8760 appData.noChessProgram = TRUE;
8761 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8762 gameMode = BeginningOfGame; ModeHighlight();
8765 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8766 DisplayMessage("", ""); // erase waiting message
8767 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8772 ChessProgramState *savedState;
8774 DeferredBookMove (void)
8776 if(savedState->lastPing != savedState->lastPong)
8777 ScheduleDelayedEvent(DeferredBookMove, 10);
8779 HandleMachineMove(savedMessage, savedState);
8782 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8783 static ChessProgramState *stalledEngine;
8784 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8787 HandleMachineMove (char *message, ChessProgramState *cps)
8789 static char firstLeg[20], legs;
8790 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8791 char realname[MSG_SIZ];
8792 int fromX, fromY, toX, toY;
8794 char promoChar, roar;
8799 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8800 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8801 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8802 DisplayError(_("Invalid pairing from pairing engine"), 0);
8805 pairingReceived = 1;
8807 return; // Skim the pairing messages here.
8810 oldError = cps->userError; cps->userError = 0;
8812 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8814 * Kludge to ignore BEL characters
8816 while (*message == '\007') message++;
8819 * [HGM] engine debug message: ignore lines starting with '#' character
8821 if(cps->debug && *message == '#') return;
8824 * Look for book output
8826 if (cps == &first && bookRequested) {
8827 if (message[0] == '\t' || message[0] == ' ') {
8828 /* Part of the book output is here; append it */
8829 strcat(bookOutput, message);
8830 strcat(bookOutput, " \n");
8832 } else if (bookOutput[0] != NULLCHAR) {
8833 /* All of book output has arrived; display it */
8834 char *p = bookOutput;
8835 while (*p != NULLCHAR) {
8836 if (*p == '\t') *p = ' ';
8839 DisplayInformation(bookOutput);
8840 bookRequested = FALSE;
8841 /* Fall through to parse the current output */
8846 * Look for machine move.
8848 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8849 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8851 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8852 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8853 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8854 stalledEngine = cps;
8855 if(appData.ponderNextMove) { // bring opponent out of ponder
8856 if(gameMode == TwoMachinesPlay) {
8857 if(cps->other->pause)
8858 PauseEngine(cps->other);
8860 SendToProgram("easy\n", cps->other);
8869 /* This method is only useful on engines that support ping */
8870 if(abortEngineThink) {
8871 if (appData.debugMode) {
8872 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8874 SendToProgram("undo\n", cps);
8878 if (cps->lastPing != cps->lastPong) {
8879 /* Extra move from before last new; ignore */
8880 if (appData.debugMode) {
8881 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8888 int machineWhite = FALSE;
8891 case BeginningOfGame:
8892 /* Extra move from before last reset; ignore */
8893 if (appData.debugMode) {
8894 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8901 /* Extra move after we tried to stop. The mode test is
8902 not a reliable way of detecting this problem, but it's
8903 the best we can do on engines that don't support ping.
8905 if (appData.debugMode) {
8906 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8907 cps->which, gameMode);
8909 SendToProgram("undo\n", cps);
8912 case MachinePlaysWhite:
8913 case IcsPlayingWhite:
8914 machineWhite = TRUE;
8917 case MachinePlaysBlack:
8918 case IcsPlayingBlack:
8919 machineWhite = FALSE;
8922 case TwoMachinesPlay:
8923 machineWhite = (cps->twoMachinesColor[0] == 'w');
8926 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8927 if (appData.debugMode) {
8929 "Ignoring move out of turn by %s, gameMode %d"
8930 ", forwardMost %d\n",
8931 cps->which, gameMode, forwardMostMove);
8937 if(cps->alphaRank) AlphaRank(machineMove, 4);
8939 // [HGM] lion: (some very limited) support for Alien protocol
8940 killX = killY = kill2X = kill2Y = -1;
8941 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8942 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8943 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8946 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8947 char *q = strchr(p+1, ','); // second comma?
8948 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8949 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8950 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8952 if(firstLeg[0]) { // there was a previous leg;
8953 // only support case where same piece makes two step
8954 char buf[20], *p = machineMove+1, *q = buf+1, f;
8955 safeStrCpy(buf, machineMove, 20);
8956 while(isdigit(*q)) q++; // find start of to-square
8957 safeStrCpy(machineMove, firstLeg, 20);
8958 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8959 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
8960 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)
8961 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8962 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8963 firstLeg[0] = NULLCHAR; legs = 0;
8966 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8967 &fromX, &fromY, &toX, &toY, &promoChar)) {
8968 /* Machine move could not be parsed; ignore it. */
8969 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8970 machineMove, _(cps->which));
8971 DisplayMoveError(buf1);
8972 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8973 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8974 if (gameMode == TwoMachinesPlay) {
8975 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8981 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8982 /* So we have to redo legality test with true e.p. status here, */
8983 /* to make sure an illegal e.p. capture does not slip through, */
8984 /* to cause a forfeit on a justified illegal-move complaint */
8985 /* of the opponent. */
8986 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8988 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8989 fromY, fromX, toY, toX, promoChar);
8990 if(moveType == IllegalMove) {
8991 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8992 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8993 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8996 } else if(!appData.fischerCastling)
8997 /* [HGM] Kludge to handle engines that send FRC-style castling
8998 when they shouldn't (like TSCP-Gothic) */
9000 case WhiteASideCastleFR:
9001 case BlackASideCastleFR:
9003 currentMoveString[2]++;
9005 case WhiteHSideCastleFR:
9006 case BlackHSideCastleFR:
9008 currentMoveString[2]--;
9010 default: ; // nothing to do, but suppresses warning of pedantic compilers
9013 hintRequested = FALSE;
9014 lastHint[0] = NULLCHAR;
9015 bookRequested = FALSE;
9016 /* Program may be pondering now */
9017 cps->maybeThinking = TRUE;
9018 if (cps->sendTime == 2) cps->sendTime = 1;
9019 if (cps->offeredDraw) cps->offeredDraw--;
9021 /* [AS] Save move info*/
9022 pvInfoList[ forwardMostMove ].score = programStats.score;
9023 pvInfoList[ forwardMostMove ].depth = programStats.depth;
9024 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
9026 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
9028 /* Test suites abort the 'game' after one move */
9029 if(*appData.finger) {
9031 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
9032 if(!f) f = fopen(appData.finger, "w");
9033 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
9034 else { DisplayFatalError("Bad output file", errno, 0); return; }
9036 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9039 if(solvingTime >= 0) {
9040 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
9041 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
9043 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
9044 if(solvingTime == -2) second.matchWins++;
9046 OutputKibitz(2, buf1);
9047 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9050 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
9051 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
9054 while( count < adjudicateLossPlies ) {
9055 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
9058 score = -score; /* Flip score for winning side */
9061 if( score > appData.adjudicateLossThreshold ) {
9068 if( count >= adjudicateLossPlies ) {
9069 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9071 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
9072 "Xboard adjudication",
9079 if(Adjudicate(cps)) {
9080 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9081 return; // [HGM] adjudicate: for all automatic game ends
9085 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9087 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9088 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9090 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9092 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9094 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9095 char buf[3*MSG_SIZ];
9097 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9098 programStats.score / 100.,
9100 programStats.time / 100.,
9101 (unsigned int)programStats.nodes,
9102 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9103 programStats.movelist);
9109 /* [AS] Clear stats for next move */
9110 ClearProgramStats();
9111 thinkOutput[0] = NULLCHAR;
9112 hiddenThinkOutputState = 0;
9115 if (gameMode == TwoMachinesPlay) {
9116 /* [HGM] relaying draw offers moved to after reception of move */
9117 /* and interpreting offer as claim if it brings draw condition */
9118 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9119 SendToProgram("draw\n", cps->other);
9121 if (cps->other->sendTime) {
9122 SendTimeRemaining(cps->other,
9123 cps->other->twoMachinesColor[0] == 'w');
9125 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9126 if (firstMove && !bookHit) {
9128 if (cps->other->useColors) {
9129 SendToProgram(cps->other->twoMachinesColor, cps->other);
9131 SendToProgram("go\n", cps->other);
9133 cps->other->maybeThinking = TRUE;
9136 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9138 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9140 if (!pausing && appData.ringBellAfterMoves) {
9141 if(!roar) RingBell();
9145 * Reenable menu items that were disabled while
9146 * machine was thinking
9148 if (gameMode != TwoMachinesPlay)
9149 SetUserThinkingEnables();
9151 // [HGM] book: after book hit opponent has received move and is now in force mode
9152 // force the book reply into it, and then fake that it outputted this move by jumping
9153 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9155 static char bookMove[MSG_SIZ]; // a bit generous?
9157 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9158 strcat(bookMove, bookHit);
9161 programStats.nodes = programStats.depth = programStats.time =
9162 programStats.score = programStats.got_only_move = 0;
9163 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9165 if(cps->lastPing != cps->lastPong) {
9166 savedMessage = message; // args for deferred call
9168 ScheduleDelayedEvent(DeferredBookMove, 10);
9177 /* Set special modes for chess engines. Later something general
9178 * could be added here; for now there is just one kludge feature,
9179 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9180 * when "xboard" is given as an interactive command.
9182 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9183 cps->useSigint = FALSE;
9184 cps->useSigterm = FALSE;
9186 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9187 ParseFeatures(message+8, cps);
9188 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9191 if (!strncmp(message, "setup ", 6) &&
9192 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9193 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9194 ) { // [HGM] allow first engine to define opening position
9195 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9196 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9198 if(sscanf(message, "setup (%s", buf) == 1) {
9199 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9200 ASSIGN(appData.pieceToCharTable, buf);
9202 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9204 while(message[s] && message[s++] != ' ');
9205 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9206 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9207 // if(hand <= h) deadRanks = 0; else deadRanks = hand - h, h = hand; // adapt board to over-sized holdings
9208 if(hand > h) handSize = hand; else handSize = h;
9209 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9210 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9211 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9212 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9213 startedFromSetupPosition = FALSE;
9216 if(startedFromSetupPosition) return;
9217 ParseFEN(boards[0], &dummy, message+s, FALSE);
9218 DrawPosition(TRUE, boards[0]);
9219 CopyBoard(initialPosition, boards[0]);
9220 startedFromSetupPosition = TRUE;
9223 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9224 ChessSquare piece = WhitePawn;
9225 char *p=message+6, *q, *s = SUFFIXES, ID = *p, promoted = 0;
9226 if(*p == '+') promoted++, ID = *++p;
9227 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9228 piece = CharToPiece(ID & 255); if(promoted) piece = CHUPROMOTED(piece);
9229 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9230 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9231 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9232 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9233 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9234 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9235 && gameInfo.variant != VariantGreat
9236 && gameInfo.variant != VariantFairy ) return;
9237 if(piece < EmptySquare) {
9239 ASSIGN(pieceDesc[piece], buf1);
9240 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9244 if(!appData.testLegality && sscanf(message, "choice %s", promoRestrict) == 1) {
9246 LeftClick(Press, 0, 0); // finish the click that was interrupted
9247 } else if(promoSweep != EmptySquare) {
9248 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9249 if(strlen(promoRestrict) > 1) Sweep(0);
9253 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9254 * want this, I was asked to put it in, and obliged.
9256 if (!strncmp(message, "setboard ", 9)) {
9257 Board initial_position;
9259 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9261 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9262 DisplayError(_("Bad FEN received from engine"), 0);
9266 CopyBoard(boards[0], initial_position);
9267 initialRulePlies = FENrulePlies;
9268 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9269 else gameMode = MachinePlaysBlack;
9270 DrawPosition(FALSE, boards[currentMove]);
9276 * Look for communication commands
9278 if (!strncmp(message, "telluser ", 9)) {
9279 if(message[9] == '\\' && message[10] == '\\')
9280 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9282 DisplayNote(message + 9);
9285 if (!strncmp(message, "tellusererror ", 14)) {
9287 if(message[14] == '\\' && message[15] == '\\')
9288 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9290 DisplayError(message + 14, 0);
9293 if (!strncmp(message, "tellopponent ", 13)) {
9294 if (appData.icsActive) {
9296 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9300 DisplayNote(message + 13);
9304 if (!strncmp(message, "tellothers ", 11)) {
9305 if (appData.icsActive) {
9307 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9310 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9313 if (!strncmp(message, "tellall ", 8)) {
9314 if (appData.icsActive) {
9316 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9320 DisplayNote(message + 8);
9324 if (strncmp(message, "warning", 7) == 0) {
9325 /* Undocumented feature, use tellusererror in new code */
9326 DisplayError(message, 0);
9329 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9330 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9331 strcat(realname, " query");
9332 AskQuestion(realname, buf2, buf1, cps->pr);
9335 /* Commands from the engine directly to ICS. We don't allow these to be
9336 * sent until we are logged on. Crafty kibitzes have been known to
9337 * interfere with the login process.
9340 if (!strncmp(message, "tellics ", 8)) {
9341 SendToICS(message + 8);
9345 if (!strncmp(message, "tellicsnoalias ", 15)) {
9346 SendToICS(ics_prefix);
9347 SendToICS(message + 15);
9351 /* The following are for backward compatibility only */
9352 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9353 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9354 SendToICS(ics_prefix);
9360 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9361 if(initPing == cps->lastPong) {
9362 if(gameInfo.variant == VariantUnknown) {
9363 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9364 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9365 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9369 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9370 abortEngineThink = FALSE;
9371 DisplayMessage("", "");
9376 if(!strncmp(message, "highlight ", 10)) {
9377 if(appData.testLegality && !*engineVariant && appData.markers) return;
9378 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9381 if(!strncmp(message, "click ", 6)) {
9382 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9383 if(appData.testLegality || !appData.oneClick) return;
9384 sscanf(message+6, "%c%d%c", &f, &y, &c);
9385 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9386 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9387 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9388 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9389 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9390 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9391 LeftClick(Release, lastLeftX, lastLeftY);
9392 controlKey = (c == ',');
9393 LeftClick(Press, x, y);
9394 LeftClick(Release, x, y);
9395 first.highlight = f;
9399 * If the move is illegal, cancel it and redraw the board.
9400 * Also deal with other error cases. Matching is rather loose
9401 * here to accommodate engines written before the spec.
9403 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9404 strncmp(message, "Error", 5) == 0) {
9405 if (StrStr(message, "name") ||
9406 StrStr(message, "rating") || StrStr(message, "?") ||
9407 StrStr(message, "result") || StrStr(message, "board") ||
9408 StrStr(message, "bk") || StrStr(message, "computer") ||
9409 StrStr(message, "variant") || StrStr(message, "hint") ||
9410 StrStr(message, "random") || StrStr(message, "depth") ||
9411 StrStr(message, "accepted")) {
9414 if (StrStr(message, "protover")) {
9415 /* Program is responding to input, so it's apparently done
9416 initializing, and this error message indicates it is
9417 protocol version 1. So we don't need to wait any longer
9418 for it to initialize and send feature commands. */
9419 FeatureDone(cps, 1);
9420 cps->protocolVersion = 1;
9423 cps->maybeThinking = FALSE;
9425 if (StrStr(message, "draw")) {
9426 /* Program doesn't have "draw" command */
9427 cps->sendDrawOffers = 0;
9430 if (cps->sendTime != 1 &&
9431 (StrStr(message, "time") || StrStr(message, "otim"))) {
9432 /* Program apparently doesn't have "time" or "otim" command */
9436 if (StrStr(message, "analyze")) {
9437 cps->analysisSupport = FALSE;
9438 cps->analyzing = FALSE;
9439 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9440 EditGameEvent(); // [HGM] try to preserve loaded game
9441 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9442 DisplayError(buf2, 0);
9445 if (StrStr(message, "(no matching move)st")) {
9446 /* Special kludge for GNU Chess 4 only */
9447 cps->stKludge = TRUE;
9448 SendTimeControl(cps, movesPerSession, timeControl,
9449 timeIncrement, appData.searchDepth,
9453 if (StrStr(message, "(no matching move)sd")) {
9454 /* Special kludge for GNU Chess 4 only */
9455 cps->sdKludge = TRUE;
9456 SendTimeControl(cps, movesPerSession, timeControl,
9457 timeIncrement, appData.searchDepth,
9461 if (!StrStr(message, "llegal")) {
9464 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9465 gameMode == IcsIdle) return;
9466 if (forwardMostMove <= backwardMostMove) return;
9467 if (pausing) PauseEvent();
9468 if(appData.forceIllegal) {
9469 // [HGM] illegal: machine refused move; force position after move into it
9470 SendToProgram("force\n", cps);
9471 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9472 // we have a real problem now, as SendBoard will use the a2a3 kludge
9473 // when black is to move, while there might be nothing on a2 or black
9474 // might already have the move. So send the board as if white has the move.
9475 // But first we must change the stm of the engine, as it refused the last move
9476 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9477 if(WhiteOnMove(forwardMostMove)) {
9478 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9479 SendBoard(cps, forwardMostMove); // kludgeless board
9481 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9482 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9483 SendBoard(cps, forwardMostMove+1); // kludgeless board
9485 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9486 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9487 gameMode == TwoMachinesPlay)
9488 SendToProgram("go\n", cps);
9491 if (gameMode == PlayFromGameFile) {
9492 /* Stop reading this game file */
9493 gameMode = EditGame;
9496 /* [HGM] illegal-move claim should forfeit game when Xboard */
9497 /* only passes fully legal moves */
9498 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9499 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9500 "False illegal-move claim", GE_XBOARD );
9501 return; // do not take back move we tested as valid
9503 currentMove = forwardMostMove-1;
9504 DisplayMove(currentMove-1); /* before DisplayMoveError */
9505 SwitchClocks(forwardMostMove-1); // [HGM] race
9506 DisplayBothClocks();
9507 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9508 parseList[currentMove], _(cps->which));
9509 DisplayMoveError(buf1);
9510 DrawPosition(FALSE, boards[currentMove]);
9512 SetUserThinkingEnables();
9515 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9516 /* Program has a broken "time" command that
9517 outputs a string not ending in newline.
9521 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9522 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9523 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9527 * If chess program startup fails, exit with an error message.
9528 * Attempts to recover here are futile. [HGM] Well, we try anyway
9530 if ((StrStr(message, "unknown host") != NULL)
9531 || (StrStr(message, "No remote directory") != NULL)
9532 || (StrStr(message, "not found") != NULL)
9533 || (StrStr(message, "No such file") != NULL)
9534 || (StrStr(message, "can't alloc") != NULL)
9535 || (StrStr(message, "Permission denied") != NULL)) {
9537 cps->maybeThinking = FALSE;
9538 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9539 _(cps->which), cps->program, cps->host, message);
9540 RemoveInputSource(cps->isr);
9541 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9542 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9543 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9549 * Look for hint output
9551 if (sscanf(message, "Hint: %s", buf1) == 1) {
9552 if (cps == &first && hintRequested) {
9553 hintRequested = FALSE;
9554 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9555 &fromX, &fromY, &toX, &toY, &promoChar)) {
9556 (void) CoordsToAlgebraic(boards[forwardMostMove],
9557 PosFlags(forwardMostMove),
9558 fromY, fromX, toY, toX, promoChar, buf1);
9559 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9560 DisplayInformation(buf2);
9562 /* Hint move could not be parsed!? */
9563 snprintf(buf2, sizeof(buf2),
9564 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9565 buf1, _(cps->which));
9566 DisplayError(buf2, 0);
9569 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9575 * Ignore other messages if game is not in progress
9577 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9578 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9581 * look for win, lose, draw, or draw offer
9583 if (strncmp(message, "1-0", 3) == 0) {
9584 char *p, *q, *r = "";
9585 p = strchr(message, '{');
9593 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9595 } else if (strncmp(message, "0-1", 3) == 0) {
9596 char *p, *q, *r = "";
9597 p = strchr(message, '{');
9605 /* Kludge for Arasan 4.1 bug */
9606 if (strcmp(r, "Black resigns") == 0) {
9607 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9610 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9612 } else if (strncmp(message, "1/2", 3) == 0) {
9613 char *p, *q, *r = "";
9614 p = strchr(message, '{');
9623 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9626 } else if (strncmp(message, "White resign", 12) == 0) {
9627 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9629 } else if (strncmp(message, "Black resign", 12) == 0) {
9630 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9632 } else if (strncmp(message, "White matches", 13) == 0 ||
9633 strncmp(message, "Black matches", 13) == 0 ) {
9634 /* [HGM] ignore GNUShogi noises */
9636 } else if (strncmp(message, "White", 5) == 0 &&
9637 message[5] != '(' &&
9638 StrStr(message, "Black") == NULL) {
9639 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9641 } else if (strncmp(message, "Black", 5) == 0 &&
9642 message[5] != '(') {
9643 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9645 } else if (strcmp(message, "resign") == 0 ||
9646 strcmp(message, "computer resigns") == 0) {
9648 case MachinePlaysBlack:
9649 case IcsPlayingBlack:
9650 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9652 case MachinePlaysWhite:
9653 case IcsPlayingWhite:
9654 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9656 case TwoMachinesPlay:
9657 if (cps->twoMachinesColor[0] == 'w')
9658 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9660 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9667 } else if (strncmp(message, "opponent mates", 14) == 0) {
9669 case MachinePlaysBlack:
9670 case IcsPlayingBlack:
9671 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9673 case MachinePlaysWhite:
9674 case IcsPlayingWhite:
9675 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9677 case TwoMachinesPlay:
9678 if (cps->twoMachinesColor[0] == 'w')
9679 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9681 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9688 } else if (strncmp(message, "computer mates", 14) == 0) {
9690 case MachinePlaysBlack:
9691 case IcsPlayingBlack:
9692 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9694 case MachinePlaysWhite:
9695 case IcsPlayingWhite:
9696 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9698 case TwoMachinesPlay:
9699 if (cps->twoMachinesColor[0] == 'w')
9700 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9702 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9709 } else if (strncmp(message, "checkmate", 9) == 0) {
9710 if (WhiteOnMove(forwardMostMove)) {
9711 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9713 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9716 } else if (strstr(message, "Draw") != NULL ||
9717 strstr(message, "game is a draw") != NULL) {
9718 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9720 } else if (strstr(message, "offer") != NULL &&
9721 strstr(message, "draw") != NULL) {
9723 if (appData.zippyPlay && first.initDone) {
9724 /* Relay offer to ICS */
9725 SendToICS(ics_prefix);
9726 SendToICS("draw\n");
9729 cps->offeredDraw = 2; /* valid until this engine moves twice */
9730 if (gameMode == TwoMachinesPlay) {
9731 if (cps->other->offeredDraw) {
9732 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9733 /* [HGM] in two-machine mode we delay relaying draw offer */
9734 /* until after we also have move, to see if it is really claim */
9736 } else if (gameMode == MachinePlaysWhite ||
9737 gameMode == MachinePlaysBlack) {
9738 if (userOfferedDraw) {
9739 DisplayInformation(_("Machine accepts your draw offer"));
9740 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9742 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9749 * Look for thinking output
9751 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9752 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9754 int plylev, mvleft, mvtot, curscore, time;
9755 char mvname[MOVE_LEN];
9759 int prefixHint = FALSE;
9760 mvname[0] = NULLCHAR;
9763 case MachinePlaysBlack:
9764 case IcsPlayingBlack:
9765 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9767 case MachinePlaysWhite:
9768 case IcsPlayingWhite:
9769 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9774 case IcsObserving: /* [DM] icsEngineAnalyze */
9775 if (!appData.icsEngineAnalyze) ignore = TRUE;
9777 case TwoMachinesPlay:
9778 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9788 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9791 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9792 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9793 char score_buf[MSG_SIZ];
9795 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9796 nodes += u64Const(0x100000000);
9798 if (plyext != ' ' && plyext != '\t') {
9802 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9803 if( cps->scoreIsAbsolute &&
9804 ( gameMode == MachinePlaysBlack ||
9805 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9806 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9807 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9808 !WhiteOnMove(currentMove)
9811 curscore = -curscore;
9814 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9816 if(*bestMove) { // rememer time best EPD move was first found
9817 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9818 ChessMove mt; char *p = bestMove;
9819 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9821 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9822 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9823 solvingTime = (solvingTime < 0 ? time : solvingTime);
9827 while(*p && *p != ' ') p++;
9828 while(*p == ' ') p++;
9830 if(!solved) solvingTime = -1;
9832 if(*avoidMove && !solved) {
9833 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9834 ChessMove mt; char *p = avoidMove, solved = 1;
9835 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9836 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9837 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9838 solved = 0; solvingTime = -2;
9841 while(*p && *p != ' ') p++;
9842 while(*p == ' ') p++;
9844 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9847 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9850 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9851 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9852 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9853 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9854 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9855 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9859 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9860 DisplayError(_("failed writing PV"), 0);
9863 tempStats.depth = plylev;
9864 tempStats.nodes = nodes;
9865 tempStats.time = time;
9866 tempStats.score = curscore;
9867 tempStats.got_only_move = 0;
9869 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9872 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9873 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9874 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9875 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9876 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9877 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9878 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9879 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9882 /* Buffer overflow protection */
9883 if (pv[0] != NULLCHAR) {
9884 if (strlen(pv) >= sizeof(tempStats.movelist)
9885 && appData.debugMode) {
9887 "PV is too long; using the first %u bytes.\n",
9888 (unsigned) sizeof(tempStats.movelist) - 1);
9891 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9893 sprintf(tempStats.movelist, " no PV\n");
9896 if (tempStats.seen_stat) {
9897 tempStats.ok_to_send = 1;
9900 if (strchr(tempStats.movelist, '(') != NULL) {
9901 tempStats.line_is_book = 1;
9902 tempStats.nr_moves = 0;
9903 tempStats.moves_left = 0;
9905 tempStats.line_is_book = 0;
9908 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9909 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9911 SendProgramStatsToFrontend( cps, &tempStats );
9914 [AS] Protect the thinkOutput buffer from overflow... this
9915 is only useful if buf1 hasn't overflowed first!
9917 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9918 if(curscore >= MATE_SCORE)
9919 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9920 else if(curscore <= -MATE_SCORE)
9921 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9923 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9924 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9926 (gameMode == TwoMachinesPlay ?
9927 ToUpper(cps->twoMachinesColor[0]) : ' '),
9929 prefixHint ? lastHint : "",
9930 prefixHint ? " " : "" );
9932 if( buf1[0] != NULLCHAR ) {
9933 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9935 if( strlen(pv) > max_len ) {
9936 if( appData.debugMode) {
9937 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9939 pv[max_len+1] = '\0';
9942 strcat( thinkOutput, pv);
9945 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9946 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9947 DisplayMove(currentMove - 1);
9951 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9952 /* crafty (9.25+) says "(only move) <move>"
9953 * if there is only 1 legal move
9955 sscanf(p, "(only move) %s", buf1);
9956 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9957 sprintf(programStats.movelist, "%s (only move)", buf1);
9958 programStats.depth = 1;
9959 programStats.nr_moves = 1;
9960 programStats.moves_left = 1;
9961 programStats.nodes = 1;
9962 programStats.time = 1;
9963 programStats.got_only_move = 1;
9965 /* Not really, but we also use this member to
9966 mean "line isn't going to change" (Crafty
9967 isn't searching, so stats won't change) */
9968 programStats.line_is_book = 1;
9970 SendProgramStatsToFrontend( cps, &programStats );
9972 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9973 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9974 DisplayMove(currentMove - 1);
9977 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9978 &time, &nodes, &plylev, &mvleft,
9979 &mvtot, mvname) >= 5) {
9980 /* The stat01: line is from Crafty (9.29+) in response
9981 to the "." command */
9982 programStats.seen_stat = 1;
9983 cps->maybeThinking = TRUE;
9985 if (programStats.got_only_move || !appData.periodicUpdates)
9988 programStats.depth = plylev;
9989 programStats.time = time;
9990 programStats.nodes = nodes;
9991 programStats.moves_left = mvleft;
9992 programStats.nr_moves = mvtot;
9993 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9994 programStats.ok_to_send = 1;
9995 programStats.movelist[0] = '\0';
9997 SendProgramStatsToFrontend( cps, &programStats );
10001 } else if (strncmp(message,"++",2) == 0) {
10002 /* Crafty 9.29+ outputs this */
10003 programStats.got_fail = 2;
10006 } else if (strncmp(message,"--",2) == 0) {
10007 /* Crafty 9.29+ outputs this */
10008 programStats.got_fail = 1;
10011 } else if (thinkOutput[0] != NULLCHAR &&
10012 strncmp(message, " ", 4) == 0) {
10013 unsigned message_len;
10016 while (*p && *p == ' ') p++;
10018 message_len = strlen( p );
10020 /* [AS] Avoid buffer overflow */
10021 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
10022 strcat(thinkOutput, " ");
10023 strcat(thinkOutput, p);
10026 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
10027 strcat(programStats.movelist, " ");
10028 strcat(programStats.movelist, p);
10031 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
10032 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
10033 DisplayMove(currentMove - 1);
10039 buf1[0] = NULLCHAR;
10041 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
10042 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
10044 ChessProgramStats cpstats;
10046 if (plyext != ' ' && plyext != '\t') {
10050 /* [AS] Negate score if machine is playing black and reporting absolute scores */
10051 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
10052 curscore = -curscore;
10055 cpstats.depth = plylev;
10056 cpstats.nodes = nodes;
10057 cpstats.time = time;
10058 cpstats.score = curscore;
10059 cpstats.got_only_move = 0;
10060 cpstats.movelist[0] = '\0';
10062 if (buf1[0] != NULLCHAR) {
10063 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
10066 cpstats.ok_to_send = 0;
10067 cpstats.line_is_book = 0;
10068 cpstats.nr_moves = 0;
10069 cpstats.moves_left = 0;
10071 SendProgramStatsToFrontend( cps, &cpstats );
10078 /* Parse a game score from the character string "game", and
10079 record it as the history of the current game. The game
10080 score is NOT assumed to start from the standard position.
10081 The display is not updated in any way.
10084 ParseGameHistory (char *game)
10086 ChessMove moveType;
10087 int fromX, fromY, toX, toY, boardIndex, mask;
10092 if (appData.debugMode)
10093 fprintf(debugFP, "Parsing game history: %s\n", game);
10095 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10096 gameInfo.site = StrSave(appData.icsHost);
10097 gameInfo.date = PGNDate();
10098 gameInfo.round = StrSave("-");
10100 /* Parse out names of players */
10101 while (*game == ' ') game++;
10103 while (*game != ' ') *p++ = *game++;
10105 gameInfo.white = StrSave(buf);
10106 while (*game == ' ') game++;
10108 while (*game != ' ' && *game != '\n') *p++ = *game++;
10110 gameInfo.black = StrSave(buf);
10113 boardIndex = blackPlaysFirst ? 1 : 0;
10116 yyboardindex = boardIndex;
10117 moveType = (ChessMove) Myylex();
10118 switch (moveType) {
10119 case IllegalMove: /* maybe suicide chess, etc. */
10120 if (appData.debugMode) {
10121 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10122 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10123 setbuf(debugFP, NULL);
10125 case WhitePromotion:
10126 case BlackPromotion:
10127 case WhiteNonPromotion:
10128 case BlackNonPromotion:
10131 case WhiteCapturesEnPassant:
10132 case BlackCapturesEnPassant:
10133 case WhiteKingSideCastle:
10134 case WhiteQueenSideCastle:
10135 case BlackKingSideCastle:
10136 case BlackQueenSideCastle:
10137 case WhiteKingSideCastleWild:
10138 case WhiteQueenSideCastleWild:
10139 case BlackKingSideCastleWild:
10140 case BlackQueenSideCastleWild:
10142 case WhiteHSideCastleFR:
10143 case WhiteASideCastleFR:
10144 case BlackHSideCastleFR:
10145 case BlackASideCastleFR:
10147 fromX = currentMoveString[0] - AAA;
10148 fromY = currentMoveString[1] - ONE;
10149 toX = currentMoveString[2] - AAA;
10150 toY = currentMoveString[3] - ONE;
10151 promoChar = currentMoveString[4];
10155 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10156 fromX = moveType == WhiteDrop ?
10157 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10158 (int) CharToPiece(ToLower(currentMoveString[0]));
10160 toX = currentMoveString[2] - AAA;
10161 toY = currentMoveString[3] - ONE;
10162 promoChar = NULLCHAR;
10164 case AmbiguousMove:
10166 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10167 if (appData.debugMode) {
10168 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10169 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10170 setbuf(debugFP, NULL);
10172 DisplayError(buf, 0);
10174 case ImpossibleMove:
10176 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10177 if (appData.debugMode) {
10178 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10179 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10180 setbuf(debugFP, NULL);
10182 DisplayError(buf, 0);
10185 if (boardIndex < backwardMostMove) {
10186 /* Oops, gap. How did that happen? */
10187 DisplayError(_("Gap in move list"), 0);
10190 backwardMostMove = blackPlaysFirst ? 1 : 0;
10191 if (boardIndex > forwardMostMove) {
10192 forwardMostMove = boardIndex;
10196 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10197 strcat(parseList[boardIndex-1], " ");
10198 strcat(parseList[boardIndex-1], yy_text);
10210 case GameUnfinished:
10211 if (gameMode == IcsExamining) {
10212 if (boardIndex < backwardMostMove) {
10213 /* Oops, gap. How did that happen? */
10216 backwardMostMove = blackPlaysFirst ? 1 : 0;
10219 gameInfo.result = moveType;
10220 p = strchr(yy_text, '{');
10221 if (p == NULL) p = strchr(yy_text, '(');
10224 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10226 q = strchr(p, *p == '{' ? '}' : ')');
10227 if (q != NULL) *q = NULLCHAR;
10230 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10231 gameInfo.resultDetails = StrSave(p);
10234 if (boardIndex >= forwardMostMove &&
10235 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10236 backwardMostMove = blackPlaysFirst ? 1 : 0;
10239 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10240 fromY, fromX, toY, toX, promoChar,
10241 parseList[boardIndex]);
10242 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10243 /* currentMoveString is set as a side-effect of yylex */
10244 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10245 strcat(moveList[boardIndex], "\n");
10247 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10248 mask = (WhiteOnMove(boardIndex) ? 0xFF : 0xFF00);
10249 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10255 if(boards[boardIndex][CHECK_COUNT]) boards[boardIndex][CHECK_COUNT] -= mask & 0x101;
10256 if(!boards[boardIndex][CHECK_COUNT] || boards[boardIndex][CHECK_COUNT] & mask) {
10257 if(!IS_SHOGI(gameInfo.variant)) strcat(parseList[boardIndex - 1], "+");
10262 strcat(parseList[boardIndex - 1], "#");
10269 /* Apply a move to the given board */
10271 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10273 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, epFile, lastFile, lastRank, berolina = 0;
10274 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10276 /* [HGM] compute & store e.p. status and castling rights for new position */
10277 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10279 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10280 oldEP = (signed char)board[EP_STATUS]; epRank = board[EP_RANK]; epFile = board[EP_FILE]; lastFile = board[LAST_TO] & 255,lastRank = board[LAST_TO] >> 8;
10281 board[EP_STATUS] = EP_NONE;
10282 board[EP_FILE] = board[EP_RANK] = 100, board[LAST_TO] = 0x4040;
10284 if (fromY == DROP_RANK) {
10285 /* must be first */
10286 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10287 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10290 piece = board[toY][toX] = (ChessSquare) fromX;
10292 // ChessSquare victim;
10295 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10296 // victim = board[killY][killX],
10297 killed = board[killY][killX],
10298 board[killY][killX] = EmptySquare,
10299 board[EP_STATUS] = EP_CAPTURE;
10300 if( kill2X >= 0 && kill2Y >= 0)
10301 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10304 if( board[toY][toX] != EmptySquare ) {
10305 board[EP_STATUS] = EP_CAPTURE;
10306 if( (fromX != toX || fromY != toY) && // not igui!
10307 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10308 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10309 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10313 pawn = board[fromY][fromX];
10314 if(pieceDesc[pawn] && strchr(pieceDesc[pawn], 'e')) { // piece with user-defined e.p. capture
10315 if(captured == EmptySquare && toX == epFile && (toY == (epRank & 127) || toY + (pawn < BlackPawn ? -1 : 1) == epRank - 128)) {
10316 captured = board[lastRank][lastFile]; // remove victim
10317 board[lastRank][lastFile] = EmptySquare;
10318 pawn = EmptySquare; // kludge to suppress old e.p. code
10321 if( pawn == WhiteLance || pawn == BlackLance ) {
10322 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10323 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10324 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10327 if( pawn == WhitePawn ) {
10328 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10329 board[EP_STATUS] = EP_PAWN_MOVE;
10330 if( toY-fromY>=2) {
10331 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10332 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10333 gameInfo.variant != VariantBerolina || toX < fromX)
10334 board[EP_STATUS] = toX | berolina;
10335 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10336 gameInfo.variant != VariantBerolina || toX > fromX)
10337 board[EP_STATUS] = toX;
10338 board[LAST_TO] = toX + 256*toY;
10341 if( pawn == BlackPawn ) {
10342 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10343 board[EP_STATUS] = EP_PAWN_MOVE;
10344 if( toY-fromY<= -2) {
10345 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10346 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10347 gameInfo.variant != VariantBerolina || toX < fromX)
10348 board[EP_STATUS] = toX | berolina;
10349 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10350 gameInfo.variant != VariantBerolina || toX > fromX)
10351 board[EP_STATUS] = toX;
10352 board[LAST_TO] = toX + 256*toY;
10356 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10357 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10358 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10359 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10361 for(i=0; i<nrCastlingRights; i++) {
10362 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10363 board[CASTLING][i] == toX && castlingRank[i] == toY
10364 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10367 if(gameInfo.variant == VariantSChess) { // update virginity
10368 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10369 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10370 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10371 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10374 if (fromX == toX && fromY == toY && killX < 0) return;
10376 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10377 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10378 if(gameInfo.variant == VariantKnightmate)
10379 king += (int) WhiteUnicorn - (int) WhiteKing;
10381 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10382 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10383 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10384 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10385 board[EP_STATUS] = EP_NONE; // capture was fake!
10387 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10388 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10389 board[toY][toX] = piece;
10390 board[EP_STATUS] = EP_NONE; // capture was fake!
10392 /* Code added by Tord: */
10393 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10394 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10395 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10396 board[EP_STATUS] = EP_NONE; // capture was fake!
10397 board[fromY][fromX] = EmptySquare;
10398 board[toY][toX] = EmptySquare;
10399 if((toX > fromX) != (piece == WhiteRook)) {
10400 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10402 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10404 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10405 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10406 board[EP_STATUS] = EP_NONE;
10407 board[fromY][fromX] = EmptySquare;
10408 board[toY][toX] = EmptySquare;
10409 if((toX > fromX) != (piece == BlackRook)) {
10410 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10412 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10414 /* End of code added by Tord */
10416 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10417 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10418 board[toY][toX] = piece;
10419 } else if (board[fromY][fromX] == king
10420 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10421 && toY == fromY && toX > fromX+1) {
10422 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10423 ; // castle with nearest piece
10424 board[fromY][toX-1] = board[fromY][rookX];
10425 board[fromY][rookX] = EmptySquare;
10426 board[fromY][fromX] = EmptySquare;
10427 board[toY][toX] = king;
10428 } else if (board[fromY][fromX] == king
10429 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10430 && toY == fromY && toX < fromX-1) {
10431 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10432 ; // castle with nearest piece
10433 board[fromY][toX+1] = board[fromY][rookX];
10434 board[fromY][rookX] = EmptySquare;
10435 board[fromY][fromX] = EmptySquare;
10436 board[toY][toX] = king;
10437 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10438 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10439 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10441 /* white pawn promotion */
10442 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10443 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10444 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10445 board[fromY][fromX] = EmptySquare;
10446 } else if ((fromY >= BOARD_HEIGHT>>1)
10447 && (epFile == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10449 && gameInfo.variant != VariantXiangqi
10450 && gameInfo.variant != VariantBerolina
10451 && (pawn == WhitePawn)
10452 && (board[toY][toX] == EmptySquare)) {
10453 if(lastFile == 100) lastFile = (board[fromY][toX] == BlackPawn ? toX : fromX), lastRank = fromY; // assume FIDE e.p. if victim present
10454 board[fromY][fromX] = EmptySquare;
10455 board[toY][toX] = piece;
10456 captured = board[lastRank][lastFile], board[lastRank][lastFile] = EmptySquare;
10457 } else if ((fromY == BOARD_HEIGHT-4)
10459 && gameInfo.variant == VariantBerolina
10460 && (board[fromY][fromX] == WhitePawn)
10461 && (board[toY][toX] == EmptySquare)) {
10462 board[fromY][fromX] = EmptySquare;
10463 board[toY][toX] = WhitePawn;
10464 if(oldEP & EP_BEROLIN_A) {
10465 captured = board[fromY][fromX-1];
10466 board[fromY][fromX-1] = EmptySquare;
10467 }else{ captured = board[fromY][fromX+1];
10468 board[fromY][fromX+1] = EmptySquare;
10470 } else if (board[fromY][fromX] == king
10471 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10472 && toY == fromY && toX > fromX+1) {
10473 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10475 board[fromY][toX-1] = board[fromY][rookX];
10476 board[fromY][rookX] = EmptySquare;
10477 board[fromY][fromX] = EmptySquare;
10478 board[toY][toX] = king;
10479 } else if (board[fromY][fromX] == king
10480 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10481 && toY == fromY && toX < fromX-1) {
10482 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10484 board[fromY][toX+1] = board[fromY][rookX];
10485 board[fromY][rookX] = EmptySquare;
10486 board[fromY][fromX] = EmptySquare;
10487 board[toY][toX] = king;
10488 } else if (fromY == 7 && fromX == 3
10489 && board[fromY][fromX] == BlackKing
10490 && toY == 7 && toX == 5) {
10491 board[fromY][fromX] = EmptySquare;
10492 board[toY][toX] = BlackKing;
10493 board[fromY][7] = EmptySquare;
10494 board[toY][4] = BlackRook;
10495 } else if (fromY == 7 && fromX == 3
10496 && board[fromY][fromX] == BlackKing
10497 && toY == 7 && toX == 1) {
10498 board[fromY][fromX] = EmptySquare;
10499 board[toY][toX] = BlackKing;
10500 board[fromY][0] = EmptySquare;
10501 board[toY][2] = BlackRook;
10502 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10503 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10504 && toY < promoRank && promoChar
10506 /* black pawn promotion */
10507 board[toY][toX] = CharToPiece(ToLower(promoChar));
10508 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10509 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10510 board[fromY][fromX] = EmptySquare;
10511 } else if ((fromY < BOARD_HEIGHT>>1)
10512 && (epFile == toX && epRank == toY || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10514 && gameInfo.variant != VariantXiangqi
10515 && gameInfo.variant != VariantBerolina
10516 && (pawn == BlackPawn)
10517 && (board[toY][toX] == EmptySquare)) {
10518 if(lastFile == 100) lastFile = (board[fromY][toX] == WhitePawn ? toX : fromX), lastRank = fromY;
10519 board[fromY][fromX] = EmptySquare;
10520 board[toY][toX] = piece;
10521 captured = board[lastRank][lastFile], board[lastRank][lastFile] = EmptySquare;
10522 } else if ((fromY == 3)
10524 && gameInfo.variant == VariantBerolina
10525 && (board[fromY][fromX] == BlackPawn)
10526 && (board[toY][toX] == EmptySquare)) {
10527 board[fromY][fromX] = EmptySquare;
10528 board[toY][toX] = BlackPawn;
10529 if(oldEP & EP_BEROLIN_A) {
10530 captured = board[fromY][fromX-1];
10531 board[fromY][fromX-1] = EmptySquare;
10532 }else{ captured = board[fromY][fromX+1];
10533 board[fromY][fromX+1] = EmptySquare;
10536 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10537 board[fromY][fromX] = EmptySquare;
10538 board[toY][toX] = piece;
10542 if (gameInfo.holdingsWidth != 0) {
10544 /* !!A lot more code needs to be written to support holdings */
10545 /* [HGM] OK, so I have written it. Holdings are stored in the */
10546 /* penultimate board files, so they are automaticlly stored */
10547 /* in the game history. */
10548 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10549 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10550 /* Delete from holdings, by decreasing count */
10551 /* and erasing image if necessary */
10552 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10553 if(p < (int) BlackPawn) { /* white drop */
10554 p -= (int)WhitePawn;
10555 p = PieceToNumber((ChessSquare)p);
10556 if(p >= gameInfo.holdingsSize) p = 0;
10557 if(--board[p][BOARD_WIDTH-2] <= 0)
10558 board[p][BOARD_WIDTH-1] = EmptySquare;
10559 if((int)board[p][BOARD_WIDTH-2] < 0)
10560 board[p][BOARD_WIDTH-2] = 0;
10561 } else { /* black drop */
10562 p -= (int)BlackPawn;
10563 p = PieceToNumber((ChessSquare)p);
10564 if(p >= gameInfo.holdingsSize) p = 0;
10565 if(--board[handSize-1-p][1] <= 0)
10566 board[handSize-1-p][0] = EmptySquare;
10567 if((int)board[handSize-1-p][1] < 0)
10568 board[handSize-1-p][1] = 0;
10571 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10572 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10573 /* [HGM] holdings: Add to holdings, if holdings exist */
10574 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10575 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10576 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10578 p = (int) captured;
10579 if (p >= (int) BlackPawn) {
10580 p -= (int)BlackPawn;
10581 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10582 /* Restore shogi-promoted piece to its original first */
10583 captured = (ChessSquare) (DEMOTED(captured));
10586 p = PieceToNumber((ChessSquare)p);
10587 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10588 board[p][BOARD_WIDTH-2]++;
10589 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10591 p -= (int)WhitePawn;
10592 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10593 captured = (ChessSquare) (DEMOTED(captured));
10596 p = PieceToNumber((ChessSquare)p);
10597 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10598 board[handSize-1-p][1]++;
10599 board[handSize-1-p][0] = WHITE_TO_BLACK captured;
10602 } else if (gameInfo.variant == VariantAtomic) {
10603 if (captured != EmptySquare) {
10605 for (y = toY-1; y <= toY+1; y++) {
10606 for (x = toX-1; x <= toX+1; x++) {
10607 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10608 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10609 board[y][x] = EmptySquare;
10613 board[toY][toX] = EmptySquare;
10617 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10618 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10620 if(promoChar == '+') {
10621 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10622 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10623 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10624 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10625 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10626 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10627 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10628 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10629 board[toY][toX] = newPiece;
10631 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10632 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10633 // [HGM] superchess: take promotion piece out of holdings
10634 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10635 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10636 if(!--board[k][BOARD_WIDTH-2])
10637 board[k][BOARD_WIDTH-1] = EmptySquare;
10639 if(!--board[handSize-1-k][1])
10640 board[handSize-1-k][0] = EmptySquare;
10645 /* Updates forwardMostMove */
10647 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10649 int x = toX, y = toY, mask;
10650 char *s = parseList[forwardMostMove];
10651 ChessSquare p = boards[forwardMostMove][toY][toX];
10652 // forwardMostMove++; // [HGM] bare: moved downstream
10654 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10655 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10656 (void) CoordsToAlgebraic(boards[forwardMostMove],
10657 PosFlags(forwardMostMove),
10658 fromY, fromX, y, x, (killX < 0)*promoChar,
10660 if(kill2X >= 0 && kill2Y >= 0)
10661 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10662 if(killX >= 0 && killY >= 0)
10663 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10664 toX + AAA, toY + ONE - '0', promoChar);
10666 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10667 int timeLeft; static int lastLoadFlag=0; int king, piece;
10668 piece = boards[forwardMostMove][fromY][fromX];
10669 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10670 if(gameInfo.variant == VariantKnightmate)
10671 king += (int) WhiteUnicorn - (int) WhiteKing;
10672 if(forwardMostMove == 0) {
10673 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10674 fprintf(serverMoves, "%s;", UserName());
10675 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10676 fprintf(serverMoves, "%s;", second.tidy);
10677 fprintf(serverMoves, "%s;", first.tidy);
10678 if(gameMode == MachinePlaysWhite)
10679 fprintf(serverMoves, "%s;", UserName());
10680 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10681 fprintf(serverMoves, "%s;", second.tidy);
10682 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10683 lastLoadFlag = loadFlag;
10685 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10686 // print castling suffix
10687 if( toY == fromY && piece == king ) {
10689 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10691 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10694 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10695 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10696 boards[forwardMostMove][toY][toX] == EmptySquare
10697 && fromX != toX && fromY != toY)
10698 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10699 // promotion suffix
10700 if(promoChar != NULLCHAR) {
10701 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10702 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10703 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10704 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10707 char buf[MOVE_LEN*2], *p; int len;
10708 fprintf(serverMoves, "/%d/%d",
10709 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10710 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10711 else timeLeft = blackTimeRemaining/1000;
10712 fprintf(serverMoves, "/%d", timeLeft);
10713 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10714 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10715 if(p = strchr(buf, '=')) *p = NULLCHAR;
10716 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10717 fprintf(serverMoves, "/%s", buf);
10719 fflush(serverMoves);
10722 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10723 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10726 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10727 if (commentList[forwardMostMove+1] != NULL) {
10728 free(commentList[forwardMostMove+1]);
10729 commentList[forwardMostMove+1] = NULL;
10731 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10732 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10733 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10734 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10735 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10736 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10737 adjustedClock = FALSE;
10738 gameInfo.result = GameUnfinished;
10739 if (gameInfo.resultDetails != NULL) {
10740 free(gameInfo.resultDetails);
10741 gameInfo.resultDetails = NULL;
10743 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10744 moveList[forwardMostMove - 1]);
10745 mask = (WhiteOnMove(forwardMostMove) ? 0xFF : 0xFF00);
10746 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10752 if(boards[forwardMostMove][CHECK_COUNT]) boards[forwardMostMove][CHECK_COUNT] -= mask & 0x101;
10753 if(!boards[forwardMostMove][CHECK_COUNT] || boards[forwardMostMove][CHECK_COUNT] & mask) {
10754 if(!IS_SHOGI(gameInfo.variant)) strcat(parseList[forwardMostMove - 1], "+");
10759 strcat(parseList[forwardMostMove - 1], "#");
10764 /* Updates currentMove if not pausing */
10766 ShowMove (int fromX, int fromY, int toX, int toY)
10768 int instant = (gameMode == PlayFromGameFile) ?
10769 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10770 if(appData.noGUI) return;
10771 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10773 if (forwardMostMove == currentMove + 1) {
10774 AnimateMove(boards[forwardMostMove - 1],
10775 fromX, fromY, toX, toY);
10778 currentMove = forwardMostMove;
10781 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10783 if (instant) return;
10785 DisplayMove(currentMove - 1);
10786 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10787 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10788 SetHighlights(fromX, fromY, toX, toY);
10791 DrawPosition(FALSE, boards[currentMove]);
10792 DisplayBothClocks();
10793 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10797 SendEgtPath (ChessProgramState *cps)
10798 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10799 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10801 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10804 char c, *q = name+1, *r, *s;
10806 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10807 while(*p && *p != ',') *q++ = *p++;
10808 *q++ = ':'; *q = 0;
10809 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10810 strcmp(name, ",nalimov:") == 0 ) {
10811 // take nalimov path from the menu-changeable option first, if it is defined
10812 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10813 SendToProgram(buf,cps); // send egtbpath command for nalimov
10815 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10816 (s = StrStr(appData.egtFormats, name)) != NULL) {
10817 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10818 s = r = StrStr(s, ":") + 1; // beginning of path info
10819 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10820 c = *r; *r = 0; // temporarily null-terminate path info
10821 *--q = 0; // strip of trailig ':' from name
10822 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10824 SendToProgram(buf,cps); // send egtbpath command for this format
10826 if(*p == ',') p++; // read away comma to position for next format name
10831 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10833 int width = 8, height = 8, holdings = 0; // most common sizes
10834 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10835 // correct the deviations default for each variant
10836 if( v == VariantXiangqi ) width = 9, height = 10;
10837 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10838 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10839 if( v == VariantCapablanca || v == VariantCapaRandom ||
10840 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10842 if( v == VariantCourier ) width = 12;
10843 if( v == VariantSuper ) holdings = 8;
10844 if( v == VariantGreat ) width = 10, holdings = 8;
10845 if( v == VariantSChess ) holdings = 7;
10846 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10847 if( v == VariantChuChess) width = 10, height = 10;
10848 if( v == VariantChu ) width = 12, height = 12;
10849 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10850 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10851 holdingsSize >= 0 && holdingsSize != holdings;
10854 char variantError[MSG_SIZ];
10857 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10858 { // returns error message (recognizable by upper-case) if engine does not support the variant
10859 char *p, *variant = VariantName(v);
10860 static char b[MSG_SIZ];
10861 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10862 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10863 holdingsSize, variant); // cook up sized variant name
10864 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10865 if(StrStr(list, b) == NULL) {
10866 // specific sized variant not known, check if general sizing allowed
10867 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10868 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10869 boardWidth, boardHeight, holdingsSize, engine);
10872 /* [HGM] here we really should compare with the maximum supported board size */
10874 } else snprintf(b, MSG_SIZ,"%s", variant);
10875 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10876 p = StrStr(list, b);
10877 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10879 // occurs not at all in list, or only as sub-string
10880 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10881 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10882 int l = strlen(variantError);
10884 while(p != list && p[-1] != ',') p--;
10885 q = strchr(p, ',');
10886 if(q) *q = NULLCHAR;
10887 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10896 InitChessProgram (ChessProgramState *cps, int setup)
10897 /* setup needed to setup FRC opening position */
10899 char buf[MSG_SIZ], *b;
10900 if (appData.noChessProgram) return;
10901 hintRequested = FALSE;
10902 bookRequested = FALSE;
10904 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10905 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10906 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10907 if(cps->memSize) { /* [HGM] memory */
10908 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10909 SendToProgram(buf, cps);
10911 SendEgtPath(cps); /* [HGM] EGT */
10912 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10913 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10914 SendToProgram(buf, cps);
10917 setboardSpoiledMachineBlack = FALSE;
10918 SendToProgram(cps->initString, cps);
10919 if (gameInfo.variant != VariantNormal &&
10920 gameInfo.variant != VariantLoadable
10921 /* [HGM] also send variant if board size non-standard */
10922 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10924 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10925 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10929 char c, *q = cps->variants, *p = strchr(q, ',');
10930 if(p) *p = NULLCHAR;
10931 v = StringToVariant(q);
10932 DisplayError(variantError, 0);
10933 if(v != VariantUnknown && cps == &first) {
10935 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10936 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10937 ASSIGN(appData.variant, q);
10938 Reset(TRUE, FALSE);
10944 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10945 SendToProgram(buf, cps);
10947 currentlyInitializedVariant = gameInfo.variant;
10949 /* [HGM] send opening position in FRC to first engine */
10951 SendToProgram("force\n", cps);
10953 /* engine is now in force mode! Set flag to wake it up after first move. */
10954 setboardSpoiledMachineBlack = 1;
10957 if (cps->sendICS) {
10958 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10959 SendToProgram(buf, cps);
10961 cps->maybeThinking = FALSE;
10962 cps->offeredDraw = 0;
10963 if (!appData.icsActive) {
10964 SendTimeControl(cps, movesPerSession, timeControl,
10965 timeIncrement, appData.searchDepth,
10968 if (appData.showThinking
10969 // [HGM] thinking: four options require thinking output to be sent
10970 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10972 SendToProgram("post\n", cps);
10974 SendToProgram("hard\n", cps);
10975 if (!appData.ponderNextMove) {
10976 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10977 it without being sure what state we are in first. "hard"
10978 is not a toggle, so that one is OK.
10980 SendToProgram("easy\n", cps);
10982 if (cps->usePing) {
10983 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10984 SendToProgram(buf, cps);
10986 cps->initDone = TRUE;
10987 ClearEngineOutputPane(cps == &second);
10992 ResendOptions (ChessProgramState *cps, int toEngine)
10993 { // send the stored value of the options
10995 static char buf2[MSG_SIZ*10];
10996 char buf[MSG_SIZ], *p = buf2;
10997 Option *opt = cps->option;
10999 for(i=0; i<cps->nrOptions; i++, opt++) {
11001 switch(opt->type) {
11005 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
11006 snprintf(buf, MSG_SIZ, "%s=%d", opt->name, opt->value);
11009 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
11010 snprintf(buf, MSG_SIZ, "%s=%s", opt->name, opt->choice[opt->value]);
11013 if(strcmp(opt->textValue, opt->name + MSG_SIZ - 100))
11014 snprintf(buf, MSG_SIZ, "%s=%s", opt->name, opt->textValue);
11022 snprintf(buf2, MSG_SIZ, "option %s\n", buf);
11023 SendToProgram(buf2, cps);
11025 if(p != buf2) *p++ = ',';
11026 strncpy(p, buf, 10*MSG_SIZ-1 - (p - buf2));
11035 StartChessProgram (ChessProgramState *cps)
11040 if (appData.noChessProgram) return;
11041 cps->initDone = FALSE;
11043 if (strcmp(cps->host, "localhost") == 0) {
11044 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
11045 } else if (*appData.remoteShell == NULLCHAR) {
11046 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
11048 if (*appData.remoteUser == NULLCHAR) {
11049 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
11052 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
11053 cps->host, appData.remoteUser, cps->program);
11055 err = StartChildProcess(buf, "", &cps->pr);
11059 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
11060 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
11061 if(cps != &first) return;
11062 appData.noChessProgram = TRUE;
11065 // DisplayFatalError(buf, err, 1);
11066 // cps->pr = NoProc;
11067 // cps->isr = NULL;
11071 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
11072 if (cps->protocolVersion > 1) {
11073 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
11074 if(!cps->reload) { // do not clear options when reloading because of -xreuse
11075 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
11076 cps->comboCnt = 0; // and values of combo boxes
11078 SendToProgram(buf, cps);
11079 if(cps->reload) ResendOptions(cps, TRUE);
11081 SendToProgram("xboard\n", cps);
11086 TwoMachinesEventIfReady P((void))
11088 static int curMess = 0;
11089 if (first.lastPing != first.lastPong) {
11090 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
11091 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11094 if (second.lastPing != second.lastPong) {
11095 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
11096 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11099 DisplayMessage("", ""); curMess = 0;
11100 TwoMachinesEvent();
11104 MakeName (char *template)
11108 static char buf[MSG_SIZ];
11112 clock = time((time_t *)NULL);
11113 tm = localtime(&clock);
11115 while(*p++ = *template++) if(p[-1] == '%') {
11116 switch(*template++) {
11117 case 0: *p = 0; return buf;
11118 case 'Y': i = tm->tm_year+1900; break;
11119 case 'y': i = tm->tm_year-100; break;
11120 case 'M': i = tm->tm_mon+1; break;
11121 case 'd': i = tm->tm_mday; break;
11122 case 'h': i = tm->tm_hour; break;
11123 case 'm': i = tm->tm_min; break;
11124 case 's': i = tm->tm_sec; break;
11127 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11133 CountPlayers (char *p)
11136 while(p = strchr(p, '\n')) p++, n++; // count participants
11141 WriteTourneyFile (char *results, FILE *f)
11142 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11143 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11144 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11145 // create a file with tournament description
11146 fprintf(f, "-participants {%s}\n", appData.participants);
11147 fprintf(f, "-seedBase %d\n", appData.seedBase);
11148 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11149 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11150 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11151 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11152 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11153 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11154 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11155 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11156 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11157 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11158 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11159 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11160 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11161 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11162 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11163 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11164 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11165 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11166 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11167 fprintf(f, "-smpCores %d\n", appData.smpCores);
11169 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11171 fprintf(f, "-mps %d\n", appData.movesPerSession);
11172 fprintf(f, "-tc %s\n", appData.timeControl);
11173 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11175 fprintf(f, "-results \"%s\"\n", results);
11180 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11183 Substitute (char *participants, int expunge)
11185 int i, changed, changes=0, nPlayers=0;
11186 char *p, *q, *r, buf[MSG_SIZ];
11187 if(participants == NULL) return;
11188 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11189 r = p = participants; q = appData.participants;
11190 while(*p && *p == *q) {
11191 if(*p == '\n') r = p+1, nPlayers++;
11194 if(*p) { // difference
11195 while(*p && *p++ != '\n')
11197 while(*q && *q++ != '\n')
11199 changed = nPlayers;
11200 changes = 1 + (strcmp(p, q) != 0);
11202 if(changes == 1) { // a single engine mnemonic was changed
11203 q = r; while(*q) nPlayers += (*q++ == '\n');
11204 p = buf; while(*r && (*p = *r++) != '\n') p++;
11206 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11207 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11208 if(mnemonic[i]) { // The substitute is valid
11210 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11211 flock(fileno(f), LOCK_EX);
11212 ParseArgsFromFile(f);
11213 fseek(f, 0, SEEK_SET);
11214 FREE(appData.participants); appData.participants = participants;
11215 if(expunge) { // erase results of replaced engine
11216 int len = strlen(appData.results), w, b, dummy;
11217 for(i=0; i<len; i++) {
11218 Pairing(i, nPlayers, &w, &b, &dummy);
11219 if((w == changed || b == changed) && appData.results[i] == '*') {
11220 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11225 for(i=0; i<len; i++) {
11226 Pairing(i, nPlayers, &w, &b, &dummy);
11227 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11230 WriteTourneyFile(appData.results, f);
11231 fclose(f); // release lock
11234 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11236 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11237 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11238 free(participants);
11243 CheckPlayers (char *participants)
11246 char buf[MSG_SIZ], *p;
11247 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11248 while(p = strchr(participants, '\n')) {
11250 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11252 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11254 DisplayError(buf, 0);
11258 participants = p + 1;
11264 CreateTourney (char *name)
11267 if(matchMode && strcmp(name, appData.tourneyFile)) {
11268 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11270 if(name[0] == NULLCHAR) {
11271 if(appData.participants[0])
11272 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11275 f = fopen(name, "r");
11276 if(f) { // file exists
11277 ASSIGN(appData.tourneyFile, name);
11278 ParseArgsFromFile(f); // parse it
11280 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11281 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11282 DisplayError(_("Not enough participants"), 0);
11285 if(CheckPlayers(appData.participants)) return 0;
11286 ASSIGN(appData.tourneyFile, name);
11287 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11288 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11291 appData.noChessProgram = FALSE;
11292 appData.clockMode = TRUE;
11298 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11300 char buf[2*MSG_SIZ], *p, *q;
11301 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11302 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11303 skip = !all && group[0]; // if group requested, we start in skip mode
11304 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11305 p = names; q = buf; header = 0;
11306 while(*p && *p != '\n') *q++ = *p++;
11308 if(*p == '\n') p++;
11309 if(buf[0] == '#') {
11310 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11311 depth++; // we must be entering a new group
11312 if(all) continue; // suppress printing group headers when complete list requested
11314 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11316 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11317 if(engineList[i]) free(engineList[i]);
11318 engineList[i] = strdup(buf);
11319 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11320 if(engineMnemonic[i]) free(engineMnemonic[i]);
11321 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11323 sscanf(q + 8, "%s", buf + strlen(buf));
11326 engineMnemonic[i] = strdup(buf);
11329 engineList[i] = engineMnemonic[i] = NULL;
11334 SaveEngineSettings (int n)
11336 int len; char *p, *q, *s, buf[MSG_SIZ], *optionSettings;
11337 if(!currentEngine[n] || !currentEngine[n][0]) { DisplayMessage("saving failed: engine not from list", ""); return; } // no engine from list is loaded
11338 p = strstr(firstChessProgramNames, currentEngine[n]);
11339 if(!p) { DisplayMessage("saving failed: engine not found in list", ""); return; } // sanity check; engine could be deleted from list after loading
11340 optionSettings = ResendOptions(n ? &second : &first, FALSE);
11341 len = strlen(currentEngine[n]);
11342 q = p + len; *p = 0; // cut list into head and tail piece
11343 s = strstr(currentEngine[n], "firstOptions");
11344 if(s && (s[-1] == '-' || s[-1] == '/') && (s[12] == ' ' || s[12] == '=') && (s[13] == '"' || s[13] == '\'')) {
11346 while(*r && *r != s[13]) r++;
11347 s[14] = 0; // cut currentEngine into head and tail part, removing old settings
11348 snprintf(buf, MSG_SIZ, "%s%s%s", currentEngine[n], optionSettings, *r ? r : "\""); // synthesize new engine line
11349 } else if(*optionSettings) {
11350 snprintf(buf, MSG_SIZ, "%s -firstOptions \"%s\"", currentEngine[n], optionSettings);
11352 ASSIGN(currentEngine[n], buf); // updated engine line
11353 len = p - firstChessProgramNames + strlen(q) + strlen(currentEngine[n]) + 1;
11355 snprintf(s, len, "%s%s%s", firstChessProgramNames, currentEngine[n], q);
11356 FREE(firstChessProgramNames); firstChessProgramNames = s; // new list
11359 // following implemented as macro to avoid type limitations
11360 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11363 SwapEngines (int n)
11364 { // swap settings for first engine and other engine (so far only some selected options)
11369 SWAP(chessProgram, p)
11371 SWAP(hasOwnBookUCI, h)
11372 SWAP(protocolVersion, h)
11374 SWAP(scoreIsAbsolute, h)
11379 SWAP(engOptions, p)
11380 SWAP(engInitString, p)
11381 SWAP(computerString, p)
11383 SWAP(fenOverride, p)
11385 SWAP(accumulateTC, h)
11392 GetEngineLine (char *s, int n)
11396 extern char *icsNames;
11397 if(!s || !*s) return 0;
11398 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11399 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11400 if(!mnemonic[i]) return 0;
11401 if(n == 11) return 1; // just testing if there was a match
11402 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11403 if(n == 1) SwapEngines(n);
11404 ParseArgsFromString(buf);
11405 if(n == 1) SwapEngines(n);
11406 if(n < 2) { ASSIGN(currentEngine[n], command[i]); }
11407 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11408 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11409 ParseArgsFromString(buf);
11415 SetPlayer (int player, char *p)
11416 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11418 char buf[MSG_SIZ], *engineName;
11419 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11420 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11421 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11423 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11424 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11425 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11426 ParseArgsFromString(buf);
11427 } else { // no engine with this nickname is installed!
11428 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11429 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11430 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11432 DisplayError(buf, 0);
11439 char *recentEngines;
11442 RecentEngineEvent (int nr)
11445 // SwapEngines(1); // bump first to second
11446 // ReplaceEngine(&second, 1); // and load it there
11447 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11448 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11449 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11450 ReplaceEngine(&first, 0);
11451 FloatToFront(&appData.recentEngineList, command[n]);
11456 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11457 { // determine players from game number
11458 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11460 if(appData.tourneyType == 0) {
11461 roundsPerCycle = (nPlayers - 1) | 1;
11462 pairingsPerRound = nPlayers / 2;
11463 } else if(appData.tourneyType > 0) {
11464 roundsPerCycle = nPlayers - appData.tourneyType;
11465 pairingsPerRound = appData.tourneyType;
11467 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11468 gamesPerCycle = gamesPerRound * roundsPerCycle;
11469 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11470 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11471 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11472 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11473 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11474 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11476 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11477 if(appData.roundSync) *syncInterval = gamesPerRound;
11479 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11481 if(appData.tourneyType == 0) {
11482 if(curPairing == (nPlayers-1)/2 ) {
11483 *whitePlayer = curRound;
11484 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11486 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11487 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11488 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11489 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11491 } else if(appData.tourneyType > 1) {
11492 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11493 *whitePlayer = curRound + appData.tourneyType;
11494 } else if(appData.tourneyType > 0) {
11495 *whitePlayer = curPairing;
11496 *blackPlayer = curRound + appData.tourneyType;
11499 // take care of white/black alternation per round.
11500 // For cycles and games this is already taken care of by default, derived from matchGame!
11501 return curRound & 1;
11505 NextTourneyGame (int nr, int *swapColors)
11506 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11508 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11510 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11511 tf = fopen(appData.tourneyFile, "r");
11512 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11513 ParseArgsFromFile(tf); fclose(tf);
11514 InitTimeControls(); // TC might be altered from tourney file
11516 nPlayers = CountPlayers(appData.participants); // count participants
11517 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11518 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11521 p = q = appData.results;
11522 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11523 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11524 DisplayMessage(_("Waiting for other game(s)"),"");
11525 waitingForGame = TRUE;
11526 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11529 waitingForGame = FALSE;
11532 if(appData.tourneyType < 0) {
11533 if(nr>=0 && !pairingReceived) {
11535 if(pairing.pr == NoProc) {
11536 if(!appData.pairingEngine[0]) {
11537 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11540 StartChessProgram(&pairing); // starts the pairing engine
11542 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11543 SendToProgram(buf, &pairing);
11544 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11545 SendToProgram(buf, &pairing);
11546 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11548 pairingReceived = 0; // ... so we continue here
11550 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11551 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11552 matchGame = 1; roundNr = nr / syncInterval + 1;
11555 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11557 // redefine engines, engine dir, etc.
11558 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11559 if(first.pr == NoProc) {
11560 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11561 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11563 if(second.pr == NoProc) {
11565 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11566 SwapEngines(1); // and make that valid for second engine by swapping
11567 InitEngine(&second, 1);
11569 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11570 UpdateLogos(FALSE); // leave display to ModeHiglight()
11576 { // performs game initialization that does not invoke engines, and then tries to start the game
11577 int res, firstWhite, swapColors = 0;
11578 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11579 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
11581 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11582 if(strcmp(buf, currentDebugFile)) { // name has changed
11583 FILE *f = fopen(buf, "w");
11584 if(f) { // if opening the new file failed, just keep using the old one
11585 ASSIGN(currentDebugFile, buf);
11589 if(appData.serverFileName) {
11590 if(serverFP) fclose(serverFP);
11591 serverFP = fopen(appData.serverFileName, "w");
11592 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11593 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11597 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11598 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11599 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11600 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11601 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11602 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11603 Reset(FALSE, first.pr != NoProc);
11604 res = LoadGameOrPosition(matchGame); // setup game
11605 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11606 if(!res) return; // abort when bad game/pos file
11607 if(appData.epd) {// in EPD mode we make sure first engine is to move
11608 firstWhite = !(forwardMostMove & 1);
11609 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11610 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11612 TwoMachinesEvent();
11616 UserAdjudicationEvent (int result)
11618 ChessMove gameResult = GameIsDrawn;
11621 gameResult = WhiteWins;
11623 else if( result < 0 ) {
11624 gameResult = BlackWins;
11627 if( gameMode == TwoMachinesPlay ) {
11628 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11633 // [HGM] save: calculate checksum of game to make games easily identifiable
11635 StringCheckSum (char *s)
11638 if(s==NULL) return 0;
11639 while(*s) i = i*259 + *s++;
11647 for(i=backwardMostMove; i<forwardMostMove; i++) {
11648 sum += pvInfoList[i].depth;
11649 sum += StringCheckSum(parseList[i]);
11650 sum += StringCheckSum(commentList[i]);
11653 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11654 return sum + StringCheckSum(commentList[i]);
11655 } // end of save patch
11658 GameEnds (ChessMove result, char *resultDetails, int whosays)
11660 GameMode nextGameMode;
11662 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11664 if(endingGame) return; /* [HGM] crash: forbid recursion */
11666 if(twoBoards) { // [HGM] dual: switch back to one board
11667 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11668 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11670 if (appData.debugMode) {
11671 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11672 result, resultDetails ? resultDetails : "(null)", whosays);
11675 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11677 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11679 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11680 /* If we are playing on ICS, the server decides when the
11681 game is over, but the engine can offer to draw, claim
11685 if (appData.zippyPlay && first.initDone) {
11686 if (result == GameIsDrawn) {
11687 /* In case draw still needs to be claimed */
11688 SendToICS(ics_prefix);
11689 SendToICS("draw\n");
11690 } else if (StrCaseStr(resultDetails, "resign")) {
11691 SendToICS(ics_prefix);
11692 SendToICS("resign\n");
11696 endingGame = 0; /* [HGM] crash */
11700 /* If we're loading the game from a file, stop */
11701 if (whosays == GE_FILE) {
11702 (void) StopLoadGameTimer();
11706 /* Cancel draw offers */
11707 first.offeredDraw = second.offeredDraw = 0;
11709 /* If this is an ICS game, only ICS can really say it's done;
11710 if not, anyone can. */
11711 isIcsGame = (gameMode == IcsPlayingWhite ||
11712 gameMode == IcsPlayingBlack ||
11713 gameMode == IcsObserving ||
11714 gameMode == IcsExamining);
11716 if (!isIcsGame || whosays == GE_ICS) {
11717 /* OK -- not an ICS game, or ICS said it was done */
11719 if (!isIcsGame && !appData.noChessProgram)
11720 SetUserThinkingEnables();
11722 /* [HGM] if a machine claims the game end we verify this claim */
11723 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11724 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11726 ChessMove trueResult = (ChessMove) -1;
11728 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11729 first.twoMachinesColor[0] :
11730 second.twoMachinesColor[0] ;
11732 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11733 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11734 /* [HGM] verify: engine mate claims accepted if they were flagged */
11735 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11737 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11738 /* [HGM] verify: engine mate claims accepted if they were flagged */
11739 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11741 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11742 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11745 // now verify win claims, but not in drop games, as we don't understand those yet
11746 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11747 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11748 (result == WhiteWins && claimer == 'w' ||
11749 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11750 if (appData.debugMode) {
11751 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11752 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11754 if(result != trueResult) {
11755 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11756 result = claimer == 'w' ? BlackWins : WhiteWins;
11757 resultDetails = buf;
11760 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11761 && (forwardMostMove <= backwardMostMove ||
11762 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11763 (claimer=='b')==(forwardMostMove&1))
11765 /* [HGM] verify: draws that were not flagged are false claims */
11766 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11767 result = claimer == 'w' ? BlackWins : WhiteWins;
11768 resultDetails = buf;
11770 /* (Claiming a loss is accepted no questions asked!) */
11771 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11772 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11773 result = GameUnfinished;
11774 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11776 /* [HGM] bare: don't allow bare King to win */
11777 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11778 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11779 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11780 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11781 && result != GameIsDrawn)
11782 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11783 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11784 int p = (int)boards[forwardMostMove][i][j] - color;
11785 if(p >= 0 && p <= (int)WhiteKing) k++;
11786 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11788 if (appData.debugMode) {
11789 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11790 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11792 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11793 result = GameIsDrawn;
11794 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11795 resultDetails = buf;
11801 if(serverMoves != NULL && !loadFlag) { char c = '=';
11802 if(result==WhiteWins) c = '+';
11803 if(result==BlackWins) c = '-';
11804 if(resultDetails != NULL)
11805 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11807 if (resultDetails != NULL) {
11808 gameInfo.result = result;
11809 gameInfo.resultDetails = StrSave(resultDetails);
11811 /* display last move only if game was not loaded from file */
11812 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11813 DisplayMove(currentMove - 1);
11815 if (forwardMostMove != 0) {
11816 if (gameMode != PlayFromGameFile && gameMode != EditGame
11817 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11819 if (*appData.saveGameFile != NULLCHAR) {
11820 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11821 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11823 SaveGameToFile(appData.saveGameFile, TRUE);
11824 } else if (appData.autoSaveGames) {
11825 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11827 if (*appData.savePositionFile != NULLCHAR) {
11828 SavePositionToFile(appData.savePositionFile);
11830 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11834 /* Tell program how game ended in case it is learning */
11835 /* [HGM] Moved this to after saving the PGN, just in case */
11836 /* engine died and we got here through time loss. In that */
11837 /* case we will get a fatal error writing the pipe, which */
11838 /* would otherwise lose us the PGN. */
11839 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11840 /* output during GameEnds should never be fatal anymore */
11841 if (gameMode == MachinePlaysWhite ||
11842 gameMode == MachinePlaysBlack ||
11843 gameMode == TwoMachinesPlay ||
11844 gameMode == IcsPlayingWhite ||
11845 gameMode == IcsPlayingBlack ||
11846 gameMode == BeginningOfGame) {
11848 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11850 if (first.pr != NoProc) {
11851 SendToProgram(buf, &first);
11853 if (second.pr != NoProc &&
11854 gameMode == TwoMachinesPlay) {
11855 SendToProgram(buf, &second);
11860 if (appData.icsActive) {
11861 if (appData.quietPlay &&
11862 (gameMode == IcsPlayingWhite ||
11863 gameMode == IcsPlayingBlack)) {
11864 SendToICS(ics_prefix);
11865 SendToICS("set shout 1\n");
11867 nextGameMode = IcsIdle;
11868 ics_user_moved = FALSE;
11869 /* clean up premove. It's ugly when the game has ended and the
11870 * premove highlights are still on the board.
11873 gotPremove = FALSE;
11874 ClearPremoveHighlights();
11875 DrawPosition(FALSE, boards[currentMove]);
11877 if (whosays == GE_ICS) {
11880 if (gameMode == IcsPlayingWhite)
11882 else if(gameMode == IcsPlayingBlack)
11883 PlayIcsLossSound();
11886 if (gameMode == IcsPlayingBlack)
11888 else if(gameMode == IcsPlayingWhite)
11889 PlayIcsLossSound();
11892 PlayIcsDrawSound();
11895 PlayIcsUnfinishedSound();
11898 if(appData.quitNext) { ExitEvent(0); return; }
11899 } else if (gameMode == EditGame ||
11900 gameMode == PlayFromGameFile ||
11901 gameMode == AnalyzeMode ||
11902 gameMode == AnalyzeFile) {
11903 nextGameMode = gameMode;
11905 nextGameMode = EndOfGame;
11910 nextGameMode = gameMode;
11913 if (appData.noChessProgram) {
11914 gameMode = nextGameMode;
11916 endingGame = 0; /* [HGM] crash */
11921 /* Put first chess program into idle state */
11922 if (first.pr != NoProc &&
11923 (gameMode == MachinePlaysWhite ||
11924 gameMode == MachinePlaysBlack ||
11925 gameMode == TwoMachinesPlay ||
11926 gameMode == IcsPlayingWhite ||
11927 gameMode == IcsPlayingBlack ||
11928 gameMode == BeginningOfGame)) {
11929 SendToProgram("force\n", &first);
11930 if (first.usePing) {
11932 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11933 SendToProgram(buf, &first);
11936 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11937 /* Kill off first chess program */
11938 if (first.isr != NULL)
11939 RemoveInputSource(first.isr);
11942 if (first.pr != NoProc) {
11944 DoSleep( appData.delayBeforeQuit );
11945 SendToProgram("quit\n", &first);
11946 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11947 first.reload = TRUE;
11951 if (second.reuse) {
11952 /* Put second chess program into idle state */
11953 if (second.pr != NoProc &&
11954 gameMode == TwoMachinesPlay) {
11955 SendToProgram("force\n", &second);
11956 if (second.usePing) {
11958 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11959 SendToProgram(buf, &second);
11962 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11963 /* Kill off second chess program */
11964 if (second.isr != NULL)
11965 RemoveInputSource(second.isr);
11968 if (second.pr != NoProc) {
11969 DoSleep( appData.delayBeforeQuit );
11970 SendToProgram("quit\n", &second);
11971 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11972 second.reload = TRUE;
11974 second.pr = NoProc;
11977 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11978 char resChar = '=';
11982 if (first.twoMachinesColor[0] == 'w') {
11985 second.matchWins++;
11990 if (first.twoMachinesColor[0] == 'b') {
11993 second.matchWins++;
11996 case GameUnfinished:
12002 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
12003 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
12004 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
12005 ReserveGame(nextGame, resChar); // sets nextGame
12006 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
12007 else ranking = strdup("busy"); //suppress popup when aborted but not finished
12008 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
12010 if (nextGame <= appData.matchGames && !abortMatch) {
12011 gameMode = nextGameMode;
12012 matchGame = nextGame; // this will be overruled in tourney mode!
12013 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
12014 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
12015 endingGame = 0; /* [HGM] crash */
12018 gameMode = nextGameMode;
12020 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
12021 OutputKibitz(2, buf);
12022 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
12023 OutputKibitz(2, buf);
12024 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
12025 if(second.matchWins) OutputKibitz(2, buf);
12026 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
12027 OutputKibitz(2, buf);
12029 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
12030 first.tidy, second.tidy,
12031 first.matchWins, second.matchWins,
12032 appData.matchGames - (first.matchWins + second.matchWins));
12033 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
12034 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
12035 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
12036 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
12037 first.twoMachinesColor = "black\n";
12038 second.twoMachinesColor = "white\n";
12040 first.twoMachinesColor = "white\n";
12041 second.twoMachinesColor = "black\n";
12045 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
12046 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
12048 gameMode = nextGameMode;
12050 endingGame = 0; /* [HGM] crash */
12051 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
12052 if(matchMode == TRUE) { // match through command line: exit with or without popup
12054 ToNrEvent(forwardMostMove);
12055 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
12057 } else DisplayFatalError(buf, 0, 0);
12058 } else { // match through menu; just stop, with or without popup
12059 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
12062 if(strcmp(ranking, "busy")) DisplayNote(ranking);
12063 } else DisplayNote(buf);
12065 if(ranking) free(ranking);
12069 /* Assumes program was just initialized (initString sent).
12070 Leaves program in force mode. */
12072 FeedMovesToProgram (ChessProgramState *cps, int upto)
12076 if (appData.debugMode)
12077 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
12078 startedFromSetupPosition ? "position and " : "",
12079 backwardMostMove, upto, cps->which);
12080 if(currentlyInitializedVariant != gameInfo.variant) {
12082 // [HGM] variantswitch: make engine aware of new variant
12083 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
12084 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
12085 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
12086 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
12087 SendToProgram(buf, cps);
12088 currentlyInitializedVariant = gameInfo.variant;
12090 SendToProgram("force\n", cps);
12091 if (startedFromSetupPosition) {
12092 SendBoard(cps, backwardMostMove);
12093 if (appData.debugMode) {
12094 fprintf(debugFP, "feedMoves\n");
12097 for (i = backwardMostMove; i < upto; i++) {
12098 SendMoveToProgram(i, cps);
12104 ResurrectChessProgram ()
12106 /* The chess program may have exited.
12107 If so, restart it and feed it all the moves made so far. */
12108 static int doInit = 0;
12110 if (appData.noChessProgram) return 1;
12112 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
12113 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
12114 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
12115 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
12117 if (first.pr != NoProc) return 1;
12118 StartChessProgram(&first);
12120 InitChessProgram(&first, FALSE);
12121 FeedMovesToProgram(&first, currentMove);
12123 if (!first.sendTime) {
12124 /* can't tell gnuchess what its clock should read,
12125 so we bow to its notion. */
12127 timeRemaining[0][currentMove] = whiteTimeRemaining;
12128 timeRemaining[1][currentMove] = blackTimeRemaining;
12131 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
12132 appData.icsEngineAnalyze) && first.analysisSupport) {
12133 SendToProgram("analyze\n", &first);
12134 first.analyzing = TRUE;
12140 * Button procedures
12143 Reset (int redraw, int init)
12147 if (appData.debugMode) {
12148 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12149 redraw, init, gameMode);
12151 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12152 deadRanks = 0; // assume entire board is used
12154 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12155 CleanupTail(); // [HGM] vari: delete any stored variations
12156 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12157 pausing = pauseExamInvalid = FALSE;
12158 startedFromSetupPosition = blackPlaysFirst = FALSE;
12160 whiteFlag = blackFlag = FALSE;
12161 userOfferedDraw = FALSE;
12162 hintRequested = bookRequested = FALSE;
12163 first.maybeThinking = FALSE;
12164 second.maybeThinking = FALSE;
12165 first.bookSuspend = FALSE; // [HGM] book
12166 second.bookSuspend = FALSE;
12167 thinkOutput[0] = NULLCHAR;
12168 lastHint[0] = NULLCHAR;
12169 ClearGameInfo(&gameInfo);
12170 gameInfo.variant = StringToVariant(appData.variant);
12171 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12172 gameInfo.variant = VariantUnknown;
12173 strncpy(engineVariant, appData.variant, MSG_SIZ);
12175 ics_user_moved = ics_clock_paused = FALSE;
12176 ics_getting_history = H_FALSE;
12178 white_holding[0] = black_holding[0] = NULLCHAR;
12179 ClearProgramStats();
12180 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12184 flipView = appData.flipView;
12185 ClearPremoveHighlights();
12186 gotPremove = FALSE;
12187 alarmSounded = FALSE;
12188 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12190 GameEnds(EndOfFile, NULL, GE_PLAYER);
12191 if(appData.serverMovesName != NULL) {
12192 /* [HGM] prepare to make moves file for broadcasting */
12193 clock_t t = clock();
12194 if(serverMoves != NULL) fclose(serverMoves);
12195 serverMoves = fopen(appData.serverMovesName, "r");
12196 if(serverMoves != NULL) {
12197 fclose(serverMoves);
12198 /* delay 15 sec before overwriting, so all clients can see end */
12199 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12201 serverMoves = fopen(appData.serverMovesName, "w");
12205 gameMode = BeginningOfGame;
12207 if(appData.icsActive) gameInfo.variant = VariantNormal;
12208 currentMove = forwardMostMove = backwardMostMove = 0;
12209 MarkTargetSquares(1);
12210 InitPosition(redraw);
12211 for (i = 0; i < MAX_MOVES; i++) {
12212 if (commentList[i] != NULL) {
12213 free(commentList[i]);
12214 commentList[i] = NULL;
12218 timeRemaining[0][0] = whiteTimeRemaining;
12219 timeRemaining[1][0] = blackTimeRemaining;
12221 if (first.pr == NoProc) {
12222 StartChessProgram(&first);
12225 InitChessProgram(&first, startedFromSetupPosition);
12228 DisplayMessage("", "");
12229 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12230 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12231 ClearMap(); // [HGM] exclude: invalidate map
12235 AutoPlayGameLoop ()
12238 if (!AutoPlayOneMove())
12240 if (matchMode || appData.timeDelay == 0)
12242 if (appData.timeDelay < 0)
12244 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12252 ReloadGame(1); // next game
12258 int fromX, fromY, toX, toY;
12260 if (appData.debugMode) {
12261 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12264 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12267 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12268 pvInfoList[currentMove].depth = programStats.depth;
12269 pvInfoList[currentMove].score = programStats.score;
12270 pvInfoList[currentMove].time = 0;
12271 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12272 else { // append analysis of final position as comment
12274 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12275 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12277 programStats.depth = 0;
12280 if (currentMove >= forwardMostMove) {
12281 if(gameMode == AnalyzeFile) {
12282 if(appData.loadGameIndex == -1) {
12283 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12284 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12286 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12289 // gameMode = EndOfGame;
12290 // ModeHighlight();
12292 /* [AS] Clear current move marker at the end of a game */
12293 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12298 toX = moveList[currentMove][2] - AAA;
12299 toY = moveList[currentMove][3] - ONE;
12301 if (moveList[currentMove][1] == '@') {
12302 if (appData.highlightLastMove) {
12303 SetHighlights(-1, -1, toX, toY);
12306 fromX = moveList[currentMove][0] - AAA;
12307 fromY = moveList[currentMove][1] - ONE;
12309 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12311 if(moveList[currentMove][4] == ';') { // multi-leg
12312 killX = moveList[currentMove][5] - AAA;
12313 killY = moveList[currentMove][6] - ONE;
12315 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12316 killX = killY = -1;
12318 if (appData.highlightLastMove) {
12319 SetHighlights(fromX, fromY, toX, toY);
12322 DisplayMove(currentMove);
12323 SendMoveToProgram(currentMove++, &first);
12324 DisplayBothClocks();
12325 DrawPosition(FALSE, boards[currentMove]);
12326 // [HGM] PV info: always display, routine tests if empty
12327 DisplayComment(currentMove - 1, commentList[currentMove]);
12333 LoadGameOneMove (ChessMove readAhead)
12335 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12336 char promoChar = NULLCHAR;
12337 ChessMove moveType;
12338 char move[MSG_SIZ];
12341 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12342 gameMode != AnalyzeMode && gameMode != Training) {
12347 yyboardindex = forwardMostMove;
12348 if (readAhead != EndOfFile) {
12349 moveType = readAhead;
12351 if (gameFileFP == NULL)
12353 moveType = (ChessMove) Myylex();
12357 switch (moveType) {
12359 if (appData.debugMode)
12360 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12363 /* append the comment but don't display it */
12364 AppendComment(currentMove, p, FALSE);
12367 case WhiteCapturesEnPassant:
12368 case BlackCapturesEnPassant:
12369 case WhitePromotion:
12370 case BlackPromotion:
12371 case WhiteNonPromotion:
12372 case BlackNonPromotion:
12375 case WhiteKingSideCastle:
12376 case WhiteQueenSideCastle:
12377 case BlackKingSideCastle:
12378 case BlackQueenSideCastle:
12379 case WhiteKingSideCastleWild:
12380 case WhiteQueenSideCastleWild:
12381 case BlackKingSideCastleWild:
12382 case BlackQueenSideCastleWild:
12384 case WhiteHSideCastleFR:
12385 case WhiteASideCastleFR:
12386 case BlackHSideCastleFR:
12387 case BlackASideCastleFR:
12389 if (appData.debugMode)
12390 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12391 fromX = currentMoveString[0] - AAA;
12392 fromY = currentMoveString[1] - ONE;
12393 toX = currentMoveString[2] - AAA;
12394 toY = currentMoveString[3] - ONE;
12395 promoChar = currentMoveString[4];
12396 if(promoChar == ';') promoChar = currentMoveString[7];
12401 if (appData.debugMode)
12402 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12403 fromX = moveType == WhiteDrop ?
12404 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12405 (int) CharToPiece(ToLower(currentMoveString[0]));
12407 toX = currentMoveString[2] - AAA;
12408 toY = currentMoveString[3] - ONE;
12414 case GameUnfinished:
12415 if (appData.debugMode)
12416 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12417 p = strchr(yy_text, '{');
12418 if (p == NULL) p = strchr(yy_text, '(');
12421 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12423 q = strchr(p, *p == '{' ? '}' : ')');
12424 if (q != NULL) *q = NULLCHAR;
12427 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12428 GameEnds(moveType, p, GE_FILE);
12430 if (cmailMsgLoaded) {
12432 flipView = WhiteOnMove(currentMove);
12433 if (moveType == GameUnfinished) flipView = !flipView;
12434 if (appData.debugMode)
12435 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12440 if (appData.debugMode)
12441 fprintf(debugFP, "Parser hit end of file\n");
12442 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12448 if (WhiteOnMove(currentMove)) {
12449 GameEnds(BlackWins, "Black mates", GE_FILE);
12451 GameEnds(WhiteWins, "White mates", GE_FILE);
12455 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12461 case MoveNumberOne:
12462 if (lastLoadGameStart == GNUChessGame) {
12463 /* GNUChessGames have numbers, but they aren't move numbers */
12464 if (appData.debugMode)
12465 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12466 yy_text, (int) moveType);
12467 return LoadGameOneMove(EndOfFile); /* tail recursion */
12469 /* else fall thru */
12474 /* Reached start of next game in file */
12475 if (appData.debugMode)
12476 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12477 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12483 if (WhiteOnMove(currentMove)) {
12484 GameEnds(BlackWins, "Black mates", GE_FILE);
12486 GameEnds(WhiteWins, "White mates", GE_FILE);
12490 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12496 case PositionDiagram: /* should not happen; ignore */
12497 case ElapsedTime: /* ignore */
12498 case NAG: /* ignore */
12499 if (appData.debugMode)
12500 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12501 yy_text, (int) moveType);
12502 return LoadGameOneMove(EndOfFile); /* tail recursion */
12505 if (appData.testLegality) {
12506 if (appData.debugMode)
12507 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12508 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12509 (forwardMostMove / 2) + 1,
12510 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12511 DisplayError(move, 0);
12514 if (appData.debugMode)
12515 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12516 yy_text, currentMoveString);
12517 if(currentMoveString[1] == '@') {
12518 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12521 fromX = currentMoveString[0] - AAA;
12522 fromY = currentMoveString[1] - ONE;
12524 toX = currentMoveString[2] - AAA;
12525 toY = currentMoveString[3] - ONE;
12526 promoChar = currentMoveString[4];
12530 case AmbiguousMove:
12531 if (appData.debugMode)
12532 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12533 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12534 (forwardMostMove / 2) + 1,
12535 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12536 DisplayError(move, 0);
12541 case ImpossibleMove:
12542 if (appData.debugMode)
12543 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12544 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12545 (forwardMostMove / 2) + 1,
12546 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12547 DisplayError(move, 0);
12553 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12554 DrawPosition(FALSE, boards[currentMove]);
12555 DisplayBothClocks();
12556 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12557 DisplayComment(currentMove - 1, commentList[currentMove]);
12559 (void) StopLoadGameTimer();
12561 cmailOldMove = forwardMostMove;
12564 /* currentMoveString is set as a side-effect of yylex */
12566 thinkOutput[0] = NULLCHAR;
12567 MakeMove(fromX, fromY, toX, toY, promoChar);
12568 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12569 currentMove = forwardMostMove;
12574 /* Load the nth game from the given file */
12576 LoadGameFromFile (char *filename, int n, char *title, int useList)
12581 if (strcmp(filename, "-") == 0) {
12585 f = fopen(filename, "rb");
12587 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12588 DisplayError(buf, errno);
12592 if (fseek(f, 0, 0) == -1) {
12593 /* f is not seekable; probably a pipe */
12596 if (useList && n == 0) {
12597 int error = GameListBuild(f);
12599 DisplayError(_("Cannot build game list"), error);
12600 } else if (!ListEmpty(&gameList) &&
12601 ((ListGame *) gameList.tailPred)->number > 1) {
12602 GameListPopUp(f, title);
12609 return LoadGame(f, n, title, FALSE);
12614 MakeRegisteredMove ()
12616 int fromX, fromY, toX, toY;
12618 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12619 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12622 if (appData.debugMode)
12623 fprintf(debugFP, "Restoring %s for game %d\n",
12624 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12626 thinkOutput[0] = NULLCHAR;
12627 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12628 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12629 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12630 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12631 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12632 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12633 MakeMove(fromX, fromY, toX, toY, promoChar);
12634 ShowMove(fromX, fromY, toX, toY);
12636 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12643 if (WhiteOnMove(currentMove)) {
12644 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12646 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12651 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12658 if (WhiteOnMove(currentMove)) {
12659 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12661 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12666 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12677 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12679 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12683 if (gameNumber > nCmailGames) {
12684 DisplayError(_("No more games in this message"), 0);
12687 if (f == lastLoadGameFP) {
12688 int offset = gameNumber - lastLoadGameNumber;
12690 cmailMsg[0] = NULLCHAR;
12691 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12692 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12693 nCmailMovesRegistered--;
12695 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12696 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12697 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12700 if (! RegisterMove()) return FALSE;
12704 retVal = LoadGame(f, gameNumber, title, useList);
12706 /* Make move registered during previous look at this game, if any */
12707 MakeRegisteredMove();
12709 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12710 commentList[currentMove]
12711 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12712 DisplayComment(currentMove - 1, commentList[currentMove]);
12718 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12720 ReloadGame (int offset)
12722 int gameNumber = lastLoadGameNumber + offset;
12723 if (lastLoadGameFP == NULL) {
12724 DisplayError(_("No game has been loaded yet"), 0);
12727 if (gameNumber <= 0) {
12728 DisplayError(_("Can't back up any further"), 0);
12731 if (cmailMsgLoaded) {
12732 return CmailLoadGame(lastLoadGameFP, gameNumber,
12733 lastLoadGameTitle, lastLoadGameUseList);
12735 return LoadGame(lastLoadGameFP, gameNumber,
12736 lastLoadGameTitle, lastLoadGameUseList);
12740 int keys[EmptySquare+1];
12743 PositionMatches (Board b1, Board b2)
12746 switch(appData.searchMode) {
12747 case 1: return CompareWithRights(b1, b2);
12749 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12750 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12754 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12755 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12756 sum += keys[b1[r][f]] - keys[b2[r][f]];
12760 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12761 sum += keys[b1[r][f]] - keys[b2[r][f]];
12773 int pieceList[256], quickBoard[256];
12774 ChessSquare pieceType[256] = { EmptySquare };
12775 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12776 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12777 int soughtTotal, turn;
12778 Boolean epOK, flipSearch;
12781 unsigned char piece, to;
12784 #define DSIZE (250000)
12786 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12787 Move *moveDatabase = initialSpace;
12788 unsigned int movePtr, dataSize = DSIZE;
12791 MakePieceList (Board board, int *counts)
12793 int r, f, n=Q_PROMO, total=0;
12794 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12795 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12796 int sq = f + (r<<4);
12797 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12798 quickBoard[sq] = ++n;
12800 pieceType[n] = board[r][f];
12801 counts[board[r][f]]++;
12802 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12803 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12807 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12812 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12814 int sq = fromX + (fromY<<4);
12815 int piece = quickBoard[sq], rook;
12816 quickBoard[sq] = 0;
12817 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12818 if(piece == pieceList[1] && fromY == toY) {
12819 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12820 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12821 moveDatabase[movePtr++].piece = Q_WCASTL;
12822 quickBoard[sq] = piece;
12823 piece = quickBoard[from]; quickBoard[from] = 0;
12824 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12825 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12826 quickBoard[sq] = 0; // remove Rook
12827 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12828 moveDatabase[movePtr++].piece = Q_WCASTL;
12829 quickBoard[sq] = pieceList[1]; // put King
12831 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12834 if(piece == pieceList[2] && fromY == toY) {
12835 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12836 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12837 moveDatabase[movePtr++].piece = Q_BCASTL;
12838 quickBoard[sq] = piece;
12839 piece = quickBoard[from]; quickBoard[from] = 0;
12840 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12841 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12842 quickBoard[sq] = 0; // remove Rook
12843 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12844 moveDatabase[movePtr++].piece = Q_BCASTL;
12845 quickBoard[sq] = pieceList[2]; // put King
12847 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12850 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12851 quickBoard[(fromY<<4)+toX] = 0;
12852 moveDatabase[movePtr].piece = Q_EP;
12853 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12854 moveDatabase[movePtr].to = sq;
12856 if(promoPiece != pieceType[piece]) {
12857 moveDatabase[movePtr++].piece = Q_PROMO;
12858 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12860 moveDatabase[movePtr].piece = piece;
12861 quickBoard[sq] = piece;
12866 PackGame (Board board)
12868 Move *newSpace = NULL;
12869 moveDatabase[movePtr].piece = 0; // terminate previous game
12870 if(movePtr > dataSize) {
12871 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12872 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12873 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12876 Move *p = moveDatabase, *q = newSpace;
12877 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12878 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12879 moveDatabase = newSpace;
12880 } else { // calloc failed, we must be out of memory. Too bad...
12881 dataSize = 0; // prevent calloc events for all subsequent games
12882 return 0; // and signal this one isn't cached
12886 MakePieceList(board, counts);
12891 QuickCompare (Board board, int *minCounts, int *maxCounts)
12892 { // compare according to search mode
12894 switch(appData.searchMode)
12896 case 1: // exact position match
12897 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12898 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12899 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12902 case 2: // can have extra material on empty squares
12903 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12904 if(board[r][f] == EmptySquare) continue;
12905 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12908 case 3: // material with exact Pawn structure
12909 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12910 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12911 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12912 } // fall through to material comparison
12913 case 4: // exact material
12914 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12916 case 6: // material range with given imbalance
12917 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12918 // fall through to range comparison
12919 case 5: // material range
12920 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12926 QuickScan (Board board, Move *move)
12927 { // reconstruct game,and compare all positions in it
12928 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12930 int piece = move->piece;
12931 int to = move->to, from = pieceList[piece];
12932 if(found < 0) { // if already found just scan to game end for final piece count
12933 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12934 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12935 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12936 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12938 static int lastCounts[EmptySquare+1];
12940 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12941 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12942 } else stretch = 0;
12943 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12944 if(found >= 0 && !appData.minPieces) return found;
12946 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12947 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12948 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12949 piece = (++move)->piece;
12950 from = pieceList[piece];
12951 counts[pieceType[piece]]--;
12952 pieceType[piece] = (ChessSquare) move->to;
12953 counts[move->to]++;
12954 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12955 counts[pieceType[quickBoard[to]]]--;
12956 quickBoard[to] = 0; total--;
12959 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12960 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12961 from = pieceList[piece]; // so this must be King
12962 quickBoard[from] = 0;
12963 pieceList[piece] = to;
12964 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12965 quickBoard[from] = 0; // rook
12966 quickBoard[to] = piece;
12967 to = move->to; piece = move->piece;
12971 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12972 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12973 quickBoard[from] = 0;
12975 quickBoard[to] = piece;
12976 pieceList[piece] = to;
12986 flipSearch = FALSE;
12987 CopyBoard(soughtBoard, boards[currentMove]);
12988 soughtTotal = MakePieceList(soughtBoard, maxSought);
12989 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12990 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12991 CopyBoard(reverseBoard, boards[currentMove]);
12992 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12993 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12994 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12995 reverseBoard[r][f] = piece;
12997 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12998 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12999 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
13000 || (boards[currentMove][CASTLING][2] == NoRights ||
13001 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
13002 && (boards[currentMove][CASTLING][5] == NoRights ||
13003 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
13006 CopyBoard(flipBoard, soughtBoard);
13007 CopyBoard(rotateBoard, reverseBoard);
13008 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
13009 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
13010 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
13013 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
13014 if(appData.searchMode >= 5) {
13015 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
13016 MakePieceList(soughtBoard, minSought);
13017 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
13019 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
13020 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
13023 GameInfo dummyInfo;
13024 static int creatingBook;
13027 GameContainsPosition (FILE *f, ListGame *lg)
13029 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
13030 int fromX, fromY, toX, toY;
13032 static int initDone=FALSE;
13034 // weed out games based on numerical tag comparison
13035 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
13036 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
13037 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
13038 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
13040 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
13043 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
13044 else CopyBoard(boards[scratch], initialPosition); // default start position
13047 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
13048 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
13051 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13052 fseek(f, lg->offset, 0);
13055 yyboardindex = scratch;
13056 quickFlag = plyNr+1;
13061 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
13067 if(plyNr) return -1; // after we have seen moves, this is for new game
13070 case AmbiguousMove: // we cannot reconstruct the game beyond these two
13071 case ImpossibleMove:
13072 case WhiteWins: // game ends here with these four
13075 case GameUnfinished:
13079 if(appData.testLegality) return -1;
13080 case WhiteCapturesEnPassant:
13081 case BlackCapturesEnPassant:
13082 case WhitePromotion:
13083 case BlackPromotion:
13084 case WhiteNonPromotion:
13085 case BlackNonPromotion:
13088 case WhiteKingSideCastle:
13089 case WhiteQueenSideCastle:
13090 case BlackKingSideCastle:
13091 case BlackQueenSideCastle:
13092 case WhiteKingSideCastleWild:
13093 case WhiteQueenSideCastleWild:
13094 case BlackKingSideCastleWild:
13095 case BlackQueenSideCastleWild:
13096 case WhiteHSideCastleFR:
13097 case WhiteASideCastleFR:
13098 case BlackHSideCastleFR:
13099 case BlackASideCastleFR:
13100 fromX = currentMoveString[0] - AAA;
13101 fromY = currentMoveString[1] - ONE;
13102 toX = currentMoveString[2] - AAA;
13103 toY = currentMoveString[3] - ONE;
13104 promoChar = currentMoveString[4];
13108 fromX = next == WhiteDrop ?
13109 (int) CharToPiece(ToUpper(currentMoveString[0])) :
13110 (int) CharToPiece(ToLower(currentMoveString[0]));
13112 toX = currentMoveString[2] - AAA;
13113 toY = currentMoveString[3] - ONE;
13117 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
13119 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
13120 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13121 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
13122 if(appData.findMirror) {
13123 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
13124 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
13129 /* Load the nth game from open file f */
13131 LoadGame (FILE *f, int gameNumber, char *title, int useList)
13135 int gn = gameNumber;
13136 ListGame *lg = NULL;
13137 int numPGNTags = 0, i;
13139 GameMode oldGameMode;
13140 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13141 char oldName[MSG_SIZ];
13143 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13145 if (appData.debugMode)
13146 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13148 if (gameMode == Training )
13149 SetTrainingModeOff();
13151 oldGameMode = gameMode;
13152 if (gameMode != BeginningOfGame) {
13153 Reset(FALSE, TRUE);
13155 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13158 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13159 fclose(lastLoadGameFP);
13163 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13166 fseek(f, lg->offset, 0);
13167 GameListHighlight(gameNumber);
13168 pos = lg->position;
13172 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13173 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13175 DisplayError(_("Game number out of range"), 0);
13180 if (fseek(f, 0, 0) == -1) {
13181 if (f == lastLoadGameFP ?
13182 gameNumber == lastLoadGameNumber + 1 :
13186 DisplayError(_("Can't seek on game file"), 0);
13191 lastLoadGameFP = f;
13192 lastLoadGameNumber = gameNumber;
13193 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13194 lastLoadGameUseList = useList;
13198 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13199 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13200 lg->gameInfo.black);
13202 } else if (*title != NULLCHAR) {
13203 if (gameNumber > 1) {
13204 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13207 DisplayTitle(title);
13211 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13212 gameMode = PlayFromGameFile;
13216 currentMove = forwardMostMove = backwardMostMove = 0;
13217 CopyBoard(boards[0], initialPosition);
13221 * Skip the first gn-1 games in the file.
13222 * Also skip over anything that precedes an identifiable
13223 * start of game marker, to avoid being confused by
13224 * garbage at the start of the file. Currently
13225 * recognized start of game markers are the move number "1",
13226 * the pattern "gnuchess .* game", the pattern
13227 * "^[#;%] [^ ]* game file", and a PGN tag block.
13228 * A game that starts with one of the latter two patterns
13229 * will also have a move number 1, possibly
13230 * following a position diagram.
13231 * 5-4-02: Let's try being more lenient and allowing a game to
13232 * start with an unnumbered move. Does that break anything?
13234 cm = lastLoadGameStart = EndOfFile;
13236 yyboardindex = forwardMostMove;
13237 cm = (ChessMove) Myylex();
13240 if (cmailMsgLoaded) {
13241 nCmailGames = CMAIL_MAX_GAMES - gn;
13244 DisplayError(_("Game not found in file"), 0);
13251 lastLoadGameStart = cm;
13254 case MoveNumberOne:
13255 switch (lastLoadGameStart) {
13260 case MoveNumberOne:
13262 gn--; /* count this game */
13263 lastLoadGameStart = cm;
13272 switch (lastLoadGameStart) {
13275 case MoveNumberOne:
13277 gn--; /* count this game */
13278 lastLoadGameStart = cm;
13281 lastLoadGameStart = cm; /* game counted already */
13289 yyboardindex = forwardMostMove;
13290 cm = (ChessMove) Myylex();
13291 } while (cm == PGNTag || cm == Comment);
13298 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13299 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13300 != CMAIL_OLD_RESULT) {
13302 cmailResult[ CMAIL_MAX_GAMES
13303 - gn - 1] = CMAIL_OLD_RESULT;
13310 /* Only a NormalMove can be at the start of a game
13311 * without a position diagram. */
13312 if (lastLoadGameStart == EndOfFile ) {
13314 lastLoadGameStart = MoveNumberOne;
13323 if (appData.debugMode)
13324 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13326 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13328 if (cm == XBoardGame) {
13329 /* Skip any header junk before position diagram and/or move 1 */
13331 yyboardindex = forwardMostMove;
13332 cm = (ChessMove) Myylex();
13334 if (cm == EndOfFile ||
13335 cm == GNUChessGame || cm == XBoardGame) {
13336 /* Empty game; pretend end-of-file and handle later */
13341 if (cm == MoveNumberOne || cm == PositionDiagram ||
13342 cm == PGNTag || cm == Comment)
13345 } else if (cm == GNUChessGame) {
13346 if (gameInfo.event != NULL) {
13347 free(gameInfo.event);
13349 gameInfo.event = StrSave(yy_text);
13352 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13353 while (cm == PGNTag) {
13354 if (appData.debugMode)
13355 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13356 err = ParsePGNTag(yy_text, &gameInfo);
13357 if (!err) numPGNTags++;
13359 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13360 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13361 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13362 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13363 InitPosition(TRUE);
13364 oldVariant = gameInfo.variant;
13365 if (appData.debugMode)
13366 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13370 if (gameInfo.fen != NULL) {
13371 Board initial_position;
13372 startedFromSetupPosition = TRUE;
13373 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13375 DisplayError(_("Bad FEN position in file"), 0);
13378 CopyBoard(boards[0], initial_position);
13379 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13380 CopyBoard(initialPosition, initial_position);
13381 if (blackPlaysFirst) {
13382 currentMove = forwardMostMove = backwardMostMove = 1;
13383 CopyBoard(boards[1], initial_position);
13384 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13385 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13386 timeRemaining[0][1] = whiteTimeRemaining;
13387 timeRemaining[1][1] = blackTimeRemaining;
13388 if (commentList[0] != NULL) {
13389 commentList[1] = commentList[0];
13390 commentList[0] = NULL;
13393 currentMove = forwardMostMove = backwardMostMove = 0;
13395 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13397 initialRulePlies = FENrulePlies;
13398 for( i=0; i< nrCastlingRights; i++ )
13399 initialRights[i] = initial_position[CASTLING][i];
13401 yyboardindex = forwardMostMove;
13402 free(gameInfo.fen);
13403 gameInfo.fen = NULL;
13406 yyboardindex = forwardMostMove;
13407 cm = (ChessMove) Myylex();
13409 /* Handle comments interspersed among the tags */
13410 while (cm == Comment) {
13412 if (appData.debugMode)
13413 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13415 AppendComment(currentMove, p, FALSE);
13416 yyboardindex = forwardMostMove;
13417 cm = (ChessMove) Myylex();
13421 /* don't rely on existence of Event tag since if game was
13422 * pasted from clipboard the Event tag may not exist
13424 if (numPGNTags > 0){
13426 if (gameInfo.variant == VariantNormal) {
13427 VariantClass v = StringToVariant(gameInfo.event);
13428 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13429 if(v < VariantShogi) gameInfo.variant = v;
13432 if( appData.autoDisplayTags ) {
13433 tags = PGNTags(&gameInfo);
13434 TagsPopUp(tags, CmailMsg());
13439 /* Make something up, but don't display it now */
13444 if (cm == PositionDiagram) {
13447 Board initial_position;
13449 if (appData.debugMode)
13450 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13452 if (!startedFromSetupPosition) {
13454 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13455 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13466 initial_position[i][j++] = CharToPiece(*p);
13469 while (*p == ' ' || *p == '\t' ||
13470 *p == '\n' || *p == '\r') p++;
13472 if (strncmp(p, "black", strlen("black"))==0)
13473 blackPlaysFirst = TRUE;
13475 blackPlaysFirst = FALSE;
13476 startedFromSetupPosition = TRUE;
13478 CopyBoard(boards[0], initial_position);
13479 if (blackPlaysFirst) {
13480 currentMove = forwardMostMove = backwardMostMove = 1;
13481 CopyBoard(boards[1], initial_position);
13482 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13483 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13484 timeRemaining[0][1] = whiteTimeRemaining;
13485 timeRemaining[1][1] = blackTimeRemaining;
13486 if (commentList[0] != NULL) {
13487 commentList[1] = commentList[0];
13488 commentList[0] = NULL;
13491 currentMove = forwardMostMove = backwardMostMove = 0;
13494 yyboardindex = forwardMostMove;
13495 cm = (ChessMove) Myylex();
13498 if(!creatingBook) {
13499 if (first.pr == NoProc) {
13500 StartChessProgram(&first);
13502 InitChessProgram(&first, FALSE);
13503 if(gameInfo.variant == VariantUnknown && *oldName) {
13504 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13505 gameInfo.variant = v;
13507 SendToProgram("force\n", &first);
13508 if (startedFromSetupPosition) {
13509 SendBoard(&first, forwardMostMove);
13510 if (appData.debugMode) {
13511 fprintf(debugFP, "Load Game\n");
13513 DisplayBothClocks();
13517 /* [HGM] server: flag to write setup moves in broadcast file as one */
13518 loadFlag = appData.suppressLoadMoves;
13520 while (cm == Comment) {
13522 if (appData.debugMode)
13523 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13525 AppendComment(currentMove, p, FALSE);
13526 yyboardindex = forwardMostMove;
13527 cm = (ChessMove) Myylex();
13530 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13531 cm == WhiteWins || cm == BlackWins ||
13532 cm == GameIsDrawn || cm == GameUnfinished) {
13533 DisplayMessage("", _("No moves in game"));
13534 if (cmailMsgLoaded) {
13535 if (appData.debugMode)
13536 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13540 DrawPosition(FALSE, boards[currentMove]);
13541 DisplayBothClocks();
13542 gameMode = EditGame;
13549 // [HGM] PV info: routine tests if comment empty
13550 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13551 DisplayComment(currentMove - 1, commentList[currentMove]);
13553 if (!matchMode && appData.timeDelay != 0)
13554 DrawPosition(FALSE, boards[currentMove]);
13556 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13557 programStats.ok_to_send = 1;
13560 /* if the first token after the PGN tags is a move
13561 * and not move number 1, retrieve it from the parser
13563 if (cm != MoveNumberOne)
13564 LoadGameOneMove(cm);
13566 /* load the remaining moves from the file */
13567 while (LoadGameOneMove(EndOfFile)) {
13568 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13569 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13572 /* rewind to the start of the game */
13573 currentMove = backwardMostMove;
13575 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13577 if (oldGameMode == AnalyzeFile) {
13578 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13579 AnalyzeFileEvent();
13581 if (oldGameMode == AnalyzeMode) {
13582 AnalyzeFileEvent();
13585 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13586 long int w, b; // [HGM] adjourn: restore saved clock times
13587 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13588 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13589 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13590 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13594 if(creatingBook) return TRUE;
13595 if (!matchMode && pos > 0) {
13596 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13598 if (matchMode || appData.timeDelay == 0) {
13600 } else if (appData.timeDelay > 0) {
13601 AutoPlayGameLoop();
13604 if (appData.debugMode)
13605 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13607 loadFlag = 0; /* [HGM] true game starts */
13611 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13613 ReloadPosition (int offset)
13615 int positionNumber = lastLoadPositionNumber + offset;
13616 if (lastLoadPositionFP == NULL) {
13617 DisplayError(_("No position has been loaded yet"), 0);
13620 if (positionNumber <= 0) {
13621 DisplayError(_("Can't back up any further"), 0);
13624 return LoadPosition(lastLoadPositionFP, positionNumber,
13625 lastLoadPositionTitle);
13628 /* Load the nth position from the given file */
13630 LoadPositionFromFile (char *filename, int n, char *title)
13635 if (strcmp(filename, "-") == 0) {
13636 return LoadPosition(stdin, n, "stdin");
13638 f = fopen(filename, "rb");
13640 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13641 DisplayError(buf, errno);
13644 return LoadPosition(f, n, title);
13649 /* Load the nth position from the given open file, and close it */
13651 LoadPosition (FILE *f, int positionNumber, char *title)
13653 char *p, line[MSG_SIZ];
13654 Board initial_position;
13655 int i, j, fenMode, pn;
13657 if (gameMode == Training )
13658 SetTrainingModeOff();
13660 if (gameMode != BeginningOfGame) {
13661 Reset(FALSE, TRUE);
13663 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13664 fclose(lastLoadPositionFP);
13666 if (positionNumber == 0) positionNumber = 1;
13667 lastLoadPositionFP = f;
13668 lastLoadPositionNumber = positionNumber;
13669 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13670 if (first.pr == NoProc && !appData.noChessProgram) {
13671 StartChessProgram(&first);
13672 InitChessProgram(&first, FALSE);
13674 pn = positionNumber;
13675 if (positionNumber < 0) {
13676 /* Negative position number means to seek to that byte offset */
13677 if (fseek(f, -positionNumber, 0) == -1) {
13678 DisplayError(_("Can't seek on position file"), 0);
13683 if (fseek(f, 0, 0) == -1) {
13684 if (f == lastLoadPositionFP ?
13685 positionNumber == lastLoadPositionNumber + 1 :
13686 positionNumber == 1) {
13689 DisplayError(_("Can't seek on position file"), 0);
13694 /* See if this file is FEN or old-style xboard */
13695 if (fgets(line, MSG_SIZ, f) == NULL) {
13696 DisplayError(_("Position not found in file"), 0);
13699 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13700 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13703 if (fenMode || line[0] == '#') pn--;
13705 /* skip positions before number pn */
13706 if (fgets(line, MSG_SIZ, f) == NULL) {
13708 DisplayError(_("Position not found in file"), 0);
13711 if (fenMode || line[0] == '#') pn--;
13717 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13718 DisplayError(_("Bad FEN position in file"), 0);
13721 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13722 sscanf(p+4, "%[^;]", bestMove);
13723 } else *bestMove = NULLCHAR;
13724 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13725 sscanf(p+4, "%[^;]", avoidMove);
13726 } else *avoidMove = NULLCHAR;
13728 (void) fgets(line, MSG_SIZ, f);
13729 (void) fgets(line, MSG_SIZ, f);
13731 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13732 (void) fgets(line, MSG_SIZ, f);
13733 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13736 initial_position[i][j++] = CharToPiece(*p);
13740 blackPlaysFirst = FALSE;
13742 (void) fgets(line, MSG_SIZ, f);
13743 if (strncmp(line, "black", strlen("black"))==0)
13744 blackPlaysFirst = TRUE;
13747 startedFromSetupPosition = TRUE;
13749 CopyBoard(boards[0], initial_position);
13750 if (blackPlaysFirst) {
13751 currentMove = forwardMostMove = backwardMostMove = 1;
13752 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13753 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13754 CopyBoard(boards[1], initial_position);
13755 DisplayMessage("", _("Black to play"));
13757 currentMove = forwardMostMove = backwardMostMove = 0;
13758 DisplayMessage("", _("White to play"));
13760 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13761 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13762 SendToProgram("force\n", &first);
13763 SendBoard(&first, forwardMostMove);
13765 if (appData.debugMode) {
13767 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13768 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13769 fprintf(debugFP, "Load Position\n");
13772 if (positionNumber > 1) {
13773 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13774 DisplayTitle(line);
13776 DisplayTitle(title);
13778 gameMode = EditGame;
13781 timeRemaining[0][1] = whiteTimeRemaining;
13782 timeRemaining[1][1] = blackTimeRemaining;
13783 DrawPosition(FALSE, boards[currentMove]);
13790 CopyPlayerNameIntoFileName (char **dest, char *src)
13792 while (*src != NULLCHAR && *src != ',') {
13797 *(*dest)++ = *src++;
13803 DefaultFileName (char *ext)
13805 static char def[MSG_SIZ];
13808 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13810 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13812 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13814 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13821 /* Save the current game to the given file */
13823 SaveGameToFile (char *filename, int append)
13827 int result, i, t,tot=0;
13829 if (strcmp(filename, "-") == 0) {
13830 return SaveGame(stdout, 0, NULL);
13832 for(i=0; i<10; i++) { // upto 10 tries
13833 f = fopen(filename, append ? "a" : "w");
13834 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13835 if(f || errno != 13) break;
13836 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13840 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13841 DisplayError(buf, errno);
13844 safeStrCpy(buf, lastMsg, MSG_SIZ);
13845 DisplayMessage(_("Waiting for access to save file"), "");
13846 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13847 DisplayMessage(_("Saving game"), "");
13848 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13849 result = SaveGame(f, 0, NULL);
13850 DisplayMessage(buf, "");
13857 SavePart (char *str)
13859 static char buf[MSG_SIZ];
13862 p = strchr(str, ' ');
13863 if (p == NULL) return str;
13864 strncpy(buf, str, p - str);
13865 buf[p - str] = NULLCHAR;
13869 #define PGN_MAX_LINE 75
13871 #define PGN_SIDE_WHITE 0
13872 #define PGN_SIDE_BLACK 1
13875 FindFirstMoveOutOfBook (int side)
13879 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13880 int index = backwardMostMove;
13881 int has_book_hit = 0;
13883 if( (index % 2) != side ) {
13887 while( index < forwardMostMove ) {
13888 /* Check to see if engine is in book */
13889 int depth = pvInfoList[index].depth;
13890 int score = pvInfoList[index].score;
13896 else if( score == 0 && depth == 63 ) {
13897 in_book = 1; /* Zappa */
13899 else if( score == 2 && depth == 99 ) {
13900 in_book = 1; /* Abrok */
13903 has_book_hit += in_book;
13919 GetOutOfBookInfo (char * buf)
13923 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13925 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13926 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13930 if( oob[0] >= 0 || oob[1] >= 0 ) {
13931 for( i=0; i<2; i++ ) {
13935 if( i > 0 && oob[0] >= 0 ) {
13936 strcat( buf, " " );
13939 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13940 sprintf( buf+strlen(buf), "%s%.2f",
13941 pvInfoList[idx].score >= 0 ? "+" : "",
13942 pvInfoList[idx].score / 100.0 );
13948 /* Save game in PGN style */
13950 SaveGamePGN2 (FILE *f)
13952 int i, offset, linelen, newblock;
13955 int movelen, numlen, blank;
13956 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13958 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13960 PrintPGNTags(f, &gameInfo);
13962 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13964 if (backwardMostMove > 0 || startedFromSetupPosition) {
13965 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13966 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13967 fprintf(f, "\n{--------------\n");
13968 PrintPosition(f, backwardMostMove);
13969 fprintf(f, "--------------}\n");
13973 /* [AS] Out of book annotation */
13974 if( appData.saveOutOfBookInfo ) {
13977 GetOutOfBookInfo( buf );
13979 if( buf[0] != '\0' ) {
13980 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13987 i = backwardMostMove;
13991 while (i < forwardMostMove) {
13992 /* Print comments preceding this move */
13993 if (commentList[i] != NULL) {
13994 if (linelen > 0) fprintf(f, "\n");
13995 fprintf(f, "%s", commentList[i]);
14000 /* Format move number */
14002 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
14005 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
14007 numtext[0] = NULLCHAR;
14009 numlen = strlen(numtext);
14012 /* Print move number */
14013 blank = linelen > 0 && numlen > 0;
14014 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
14023 fprintf(f, "%s", numtext);
14027 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
14028 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
14031 blank = linelen > 0 && movelen > 0;
14032 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
14041 fprintf(f, "%s", move_buffer);
14042 linelen += movelen;
14044 /* [AS] Add PV info if present */
14045 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
14046 /* [HGM] add time */
14047 char buf[MSG_SIZ]; int seconds;
14049 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
14055 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
14058 seconds = (seconds + 4)/10; // round to full seconds
14060 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
14062 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
14065 if(appData.cumulativeTimePGN) {
14066 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
14069 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
14070 pvInfoList[i].score >= 0 ? "+" : "",
14071 pvInfoList[i].score / 100.0,
14072 pvInfoList[i].depth,
14075 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
14077 /* Print score/depth */
14078 blank = linelen > 0 && movelen > 0;
14079 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
14088 fprintf(f, "%s", move_buffer);
14089 linelen += movelen;
14095 /* Start a new line */
14096 if (linelen > 0) fprintf(f, "\n");
14098 /* Print comments after last move */
14099 if (commentList[i] != NULL) {
14100 fprintf(f, "%s\n", commentList[i]);
14104 if (gameInfo.resultDetails != NULL &&
14105 gameInfo.resultDetails[0] != NULLCHAR) {
14106 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
14107 if(gameInfo.result == GameUnfinished && appData.clockMode &&
14108 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
14109 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
14110 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
14112 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14116 /* Save game in PGN style and close the file */
14118 SaveGamePGN (FILE *f)
14122 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14126 /* Save game in old style and close the file */
14128 SaveGameOldStyle (FILE *f)
14133 tm = time((time_t *) NULL);
14135 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14138 if (backwardMostMove > 0 || startedFromSetupPosition) {
14139 fprintf(f, "\n[--------------\n");
14140 PrintPosition(f, backwardMostMove);
14141 fprintf(f, "--------------]\n");
14146 i = backwardMostMove;
14147 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14149 while (i < forwardMostMove) {
14150 if (commentList[i] != NULL) {
14151 fprintf(f, "[%s]\n", commentList[i]);
14154 if ((i % 2) == 1) {
14155 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14158 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14160 if (commentList[i] != NULL) {
14164 if (i >= forwardMostMove) {
14168 fprintf(f, "%s\n", parseList[i]);
14173 if (commentList[i] != NULL) {
14174 fprintf(f, "[%s]\n", commentList[i]);
14177 /* This isn't really the old style, but it's close enough */
14178 if (gameInfo.resultDetails != NULL &&
14179 gameInfo.resultDetails[0] != NULLCHAR) {
14180 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14181 gameInfo.resultDetails);
14183 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14190 /* Save the current game to open file f and close the file */
14192 SaveGame (FILE *f, int dummy, char *dummy2)
14194 if (gameMode == EditPosition) EditPositionDone(TRUE);
14195 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14196 if (appData.oldSaveStyle)
14197 return SaveGameOldStyle(f);
14199 return SaveGamePGN(f);
14202 /* Save the current position to the given file */
14204 SavePositionToFile (char *filename)
14209 if (strcmp(filename, "-") == 0) {
14210 return SavePosition(stdout, 0, NULL);
14212 f = fopen(filename, "a");
14214 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14215 DisplayError(buf, errno);
14218 safeStrCpy(buf, lastMsg, MSG_SIZ);
14219 DisplayMessage(_("Waiting for access to save file"), "");
14220 flock(fileno(f), LOCK_EX); // [HGM] lock
14221 DisplayMessage(_("Saving position"), "");
14222 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14223 SavePosition(f, 0, NULL);
14224 DisplayMessage(buf, "");
14230 /* Save the current position to the given open file and close the file */
14232 SavePosition (FILE *f, int dummy, char *dummy2)
14237 if (gameMode == EditPosition) EditPositionDone(TRUE);
14238 if (appData.oldSaveStyle) {
14239 tm = time((time_t *) NULL);
14241 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14243 fprintf(f, "[--------------\n");
14244 PrintPosition(f, currentMove);
14245 fprintf(f, "--------------]\n");
14247 fen = PositionToFEN(currentMove, NULL, 1);
14248 fprintf(f, "%s\n", fen);
14256 ReloadCmailMsgEvent (int unregister)
14259 static char *inFilename = NULL;
14260 static char *outFilename;
14262 struct stat inbuf, outbuf;
14265 /* Any registered moves are unregistered if unregister is set, */
14266 /* i.e. invoked by the signal handler */
14268 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14269 cmailMoveRegistered[i] = FALSE;
14270 if (cmailCommentList[i] != NULL) {
14271 free(cmailCommentList[i]);
14272 cmailCommentList[i] = NULL;
14275 nCmailMovesRegistered = 0;
14278 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14279 cmailResult[i] = CMAIL_NOT_RESULT;
14283 if (inFilename == NULL) {
14284 /* Because the filenames are static they only get malloced once */
14285 /* and they never get freed */
14286 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14287 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14289 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14290 sprintf(outFilename, "%s.out", appData.cmailGameName);
14293 status = stat(outFilename, &outbuf);
14295 cmailMailedMove = FALSE;
14297 status = stat(inFilename, &inbuf);
14298 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14301 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14302 counts the games, notes how each one terminated, etc.
14304 It would be nice to remove this kludge and instead gather all
14305 the information while building the game list. (And to keep it
14306 in the game list nodes instead of having a bunch of fixed-size
14307 parallel arrays.) Note this will require getting each game's
14308 termination from the PGN tags, as the game list builder does
14309 not process the game moves. --mann
14311 cmailMsgLoaded = TRUE;
14312 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14314 /* Load first game in the file or popup game menu */
14315 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14317 #endif /* !WIN32 */
14325 char string[MSG_SIZ];
14327 if ( cmailMailedMove
14328 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14329 return TRUE; /* Allow free viewing */
14332 /* Unregister move to ensure that we don't leave RegisterMove */
14333 /* with the move registered when the conditions for registering no */
14335 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14336 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14337 nCmailMovesRegistered --;
14339 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14341 free(cmailCommentList[lastLoadGameNumber - 1]);
14342 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14346 if (cmailOldMove == -1) {
14347 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14351 if (currentMove > cmailOldMove + 1) {
14352 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14356 if (currentMove < cmailOldMove) {
14357 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14361 if (forwardMostMove > currentMove) {
14362 /* Silently truncate extra moves */
14366 if ( (currentMove == cmailOldMove + 1)
14367 || ( (currentMove == cmailOldMove)
14368 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14369 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14370 if (gameInfo.result != GameUnfinished) {
14371 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14374 if (commentList[currentMove] != NULL) {
14375 cmailCommentList[lastLoadGameNumber - 1]
14376 = StrSave(commentList[currentMove]);
14378 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14380 if (appData.debugMode)
14381 fprintf(debugFP, "Saving %s for game %d\n",
14382 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14384 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14386 f = fopen(string, "w");
14387 if (appData.oldSaveStyle) {
14388 SaveGameOldStyle(f); /* also closes the file */
14390 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14391 f = fopen(string, "w");
14392 SavePosition(f, 0, NULL); /* also closes the file */
14394 fprintf(f, "{--------------\n");
14395 PrintPosition(f, currentMove);
14396 fprintf(f, "--------------}\n\n");
14398 SaveGame(f, 0, NULL); /* also closes the file*/
14401 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14402 nCmailMovesRegistered ++;
14403 } else if (nCmailGames == 1) {
14404 DisplayError(_("You have not made a move yet"), 0);
14415 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14416 FILE *commandOutput;
14417 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14418 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14424 if (! cmailMsgLoaded) {
14425 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14429 if (nCmailGames == nCmailResults) {
14430 DisplayError(_("No unfinished games"), 0);
14434 #if CMAIL_PROHIBIT_REMAIL
14435 if (cmailMailedMove) {
14436 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);
14437 DisplayError(msg, 0);
14442 if (! (cmailMailedMove || RegisterMove())) return;
14444 if ( cmailMailedMove
14445 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14446 snprintf(string, MSG_SIZ, partCommandString,
14447 appData.debugMode ? " -v" : "", appData.cmailGameName);
14448 commandOutput = popen(string, "r");
14450 if (commandOutput == NULL) {
14451 DisplayError(_("Failed to invoke cmail"), 0);
14453 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14454 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14456 if (nBuffers > 1) {
14457 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14458 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14459 nBytes = MSG_SIZ - 1;
14461 (void) memcpy(msg, buffer, nBytes);
14463 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14465 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14466 cmailMailedMove = TRUE; /* Prevent >1 moves */
14469 for (i = 0; i < nCmailGames; i ++) {
14470 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14475 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14477 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14479 appData.cmailGameName,
14481 LoadGameFromFile(buffer, 1, buffer, FALSE);
14482 cmailMsgLoaded = FALSE;
14486 DisplayInformation(msg);
14487 pclose(commandOutput);
14490 if ((*cmailMsg) != '\0') {
14491 DisplayInformation(cmailMsg);
14496 #endif /* !WIN32 */
14505 int prependComma = 0;
14507 char string[MSG_SIZ]; /* Space for game-list */
14510 if (!cmailMsgLoaded) return "";
14512 if (cmailMailedMove) {
14513 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14515 /* Create a list of games left */
14516 snprintf(string, MSG_SIZ, "[");
14517 for (i = 0; i < nCmailGames; i ++) {
14518 if (! ( cmailMoveRegistered[i]
14519 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14520 if (prependComma) {
14521 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14523 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14527 strcat(string, number);
14530 strcat(string, "]");
14532 if (nCmailMovesRegistered + nCmailResults == 0) {
14533 switch (nCmailGames) {
14535 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14539 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14543 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14548 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14550 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14555 if (nCmailResults == nCmailGames) {
14556 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14558 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14563 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14575 if (gameMode == Training)
14576 SetTrainingModeOff();
14579 cmailMsgLoaded = FALSE;
14580 if (appData.icsActive) {
14581 SendToICS(ics_prefix);
14582 SendToICS("refresh\n");
14587 ExitEvent (int status)
14591 /* Give up on clean exit */
14595 /* Keep trying for clean exit */
14599 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14600 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14602 if (telnetISR != NULL) {
14603 RemoveInputSource(telnetISR);
14605 if (icsPR != NoProc) {
14606 DestroyChildProcess(icsPR, TRUE);
14609 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14610 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14612 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14613 /* make sure this other one finishes before killing it! */
14614 if(endingGame) { int count = 0;
14615 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14616 while(endingGame && count++ < 10) DoSleep(1);
14617 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14620 /* Kill off chess programs */
14621 if (first.pr != NoProc) {
14624 DoSleep( appData.delayBeforeQuit );
14625 SendToProgram("quit\n", &first);
14626 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14628 if (second.pr != NoProc) {
14629 DoSleep( appData.delayBeforeQuit );
14630 SendToProgram("quit\n", &second);
14631 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14633 if (first.isr != NULL) {
14634 RemoveInputSource(first.isr);
14636 if (second.isr != NULL) {
14637 RemoveInputSource(second.isr);
14640 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14641 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14643 ShutDownFrontEnd();
14648 PauseEngine (ChessProgramState *cps)
14650 SendToProgram("pause\n", cps);
14655 UnPauseEngine (ChessProgramState *cps)
14657 SendToProgram("resume\n", cps);
14664 if (appData.debugMode)
14665 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14669 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14671 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14672 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14673 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14675 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14676 HandleMachineMove(stashedInputMove, stalledEngine);
14677 stalledEngine = NULL;
14680 if (gameMode == MachinePlaysWhite ||
14681 gameMode == TwoMachinesPlay ||
14682 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14683 if(first.pause) UnPauseEngine(&first);
14684 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14685 if(second.pause) UnPauseEngine(&second);
14686 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14689 DisplayBothClocks();
14691 if (gameMode == PlayFromGameFile) {
14692 if (appData.timeDelay >= 0)
14693 AutoPlayGameLoop();
14694 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14695 Reset(FALSE, TRUE);
14696 SendToICS(ics_prefix);
14697 SendToICS("refresh\n");
14698 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14699 ForwardInner(forwardMostMove);
14701 pauseExamInvalid = FALSE;
14703 switch (gameMode) {
14707 pauseExamForwardMostMove = forwardMostMove;
14708 pauseExamInvalid = FALSE;
14711 case IcsPlayingWhite:
14712 case IcsPlayingBlack:
14716 case PlayFromGameFile:
14717 (void) StopLoadGameTimer();
14721 case BeginningOfGame:
14722 if (appData.icsActive) return;
14723 /* else fall through */
14724 case MachinePlaysWhite:
14725 case MachinePlaysBlack:
14726 case TwoMachinesPlay:
14727 if (forwardMostMove == 0)
14728 return; /* don't pause if no one has moved */
14729 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14730 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14731 if(onMove->pause) { // thinking engine can be paused
14732 PauseEngine(onMove); // do it
14733 if(onMove->other->pause) // pondering opponent can always be paused immediately
14734 PauseEngine(onMove->other);
14736 SendToProgram("easy\n", onMove->other);
14738 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14739 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14741 PauseEngine(&first);
14743 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14744 } else { // human on move, pause pondering by either method
14746 PauseEngine(&first);
14747 else if(appData.ponderNextMove)
14748 SendToProgram("easy\n", &first);
14751 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14761 EditCommentEvent ()
14763 char title[MSG_SIZ];
14765 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14766 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14768 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14769 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14770 parseList[currentMove - 1]);
14773 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14780 char *tags = PGNTags(&gameInfo);
14782 EditTagsPopUp(tags, NULL);
14789 if(WaitForEngine(&second, StartSecond)) return;
14790 InitChessProgram(&second, FALSE);
14791 FeedMovesToProgram(&second, currentMove);
14793 SendToProgram("analyze\n", &second);
14794 second.analyzing = TRUE;
14801 if(second.analyzing) {
14802 SendToProgram("exit\n", &second);
14803 second.analyzing = FALSE;
14809 /* Toggle ShowThinking */
14811 ToggleShowThinking()
14813 appData.showThinking = !appData.showThinking;
14814 ShowThinkingEvent();
14818 AnalyzeModeEvent ()
14822 if (!first.analysisSupport) {
14823 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14824 DisplayError(buf, 0);
14827 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14828 if (appData.icsActive) {
14829 if (gameMode != IcsObserving) {
14830 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14831 DisplayError(buf, 0);
14833 if (appData.icsEngineAnalyze) {
14834 if (appData.debugMode)
14835 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14841 /* if enable, user wants to disable icsEngineAnalyze */
14842 if (appData.icsEngineAnalyze) {
14847 appData.icsEngineAnalyze = TRUE;
14848 if (appData.debugMode)
14849 fprintf(debugFP, "ICS engine analyze starting... \n");
14852 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14853 if (appData.noChessProgram || gameMode == AnalyzeMode)
14856 if (gameMode != AnalyzeFile) {
14857 if (!appData.icsEngineAnalyze) {
14859 if (gameMode != EditGame) return 0;
14861 if (!appData.showThinking) ToggleShowThinking();
14862 ResurrectChessProgram();
14863 SendToProgram("analyze\n", &first);
14864 first.analyzing = TRUE;
14865 /*first.maybeThinking = TRUE;*/
14866 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14867 EngineOutputPopUp();
14869 if (!appData.icsEngineAnalyze) {
14870 gameMode = AnalyzeMode;
14871 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14877 StartAnalysisClock();
14878 GetTimeMark(&lastNodeCountTime);
14884 AnalyzeFileEvent ()
14886 if (appData.noChessProgram || gameMode == AnalyzeFile)
14889 if (!first.analysisSupport) {
14891 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14892 DisplayError(buf, 0);
14896 if (gameMode != AnalyzeMode) {
14897 keepInfo = 1; // mere annotating should not alter PGN tags
14900 if (gameMode != EditGame) return;
14901 if (!appData.showThinking) ToggleShowThinking();
14902 ResurrectChessProgram();
14903 SendToProgram("analyze\n", &first);
14904 first.analyzing = TRUE;
14905 /*first.maybeThinking = TRUE;*/
14906 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14907 EngineOutputPopUp();
14909 gameMode = AnalyzeFile;
14913 StartAnalysisClock();
14914 GetTimeMark(&lastNodeCountTime);
14916 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14917 AnalysisPeriodicEvent(1);
14921 MachineWhiteEvent ()
14924 char *bookHit = NULL;
14926 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14930 if (gameMode == PlayFromGameFile ||
14931 gameMode == TwoMachinesPlay ||
14932 gameMode == Training ||
14933 gameMode == AnalyzeMode ||
14934 gameMode == EndOfGame)
14937 if (gameMode == EditPosition)
14938 EditPositionDone(TRUE);
14940 if (!WhiteOnMove(currentMove)) {
14941 DisplayError(_("It is not White's turn"), 0);
14945 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14948 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14949 gameMode == AnalyzeFile)
14952 ResurrectChessProgram(); /* in case it isn't running */
14953 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14954 gameMode = MachinePlaysWhite;
14957 gameMode = MachinePlaysWhite;
14961 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14963 if (first.sendName) {
14964 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14965 SendToProgram(buf, &first);
14967 if (first.sendTime) {
14968 if (first.useColors) {
14969 SendToProgram("black\n", &first); /*gnu kludge*/
14971 SendTimeRemaining(&first, TRUE);
14973 if (first.useColors) {
14974 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14976 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14977 SetMachineThinkingEnables();
14978 first.maybeThinking = TRUE;
14982 if (appData.autoFlipView && !flipView) {
14983 flipView = !flipView;
14984 DrawPosition(FALSE, NULL);
14985 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14988 if(bookHit) { // [HGM] book: simulate book reply
14989 static char bookMove[MSG_SIZ]; // a bit generous?
14991 programStats.nodes = programStats.depth = programStats.time =
14992 programStats.score = programStats.got_only_move = 0;
14993 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14995 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14996 strcat(bookMove, bookHit);
14997 savedMessage = bookMove; // args for deferred call
14998 savedState = &first;
14999 ScheduleDelayedEvent(DeferredBookMove, 1);
15004 MachineBlackEvent ()
15007 char *bookHit = NULL;
15009 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
15013 if (gameMode == PlayFromGameFile ||
15014 gameMode == TwoMachinesPlay ||
15015 gameMode == Training ||
15016 gameMode == AnalyzeMode ||
15017 gameMode == EndOfGame)
15020 if (gameMode == EditPosition)
15021 EditPositionDone(TRUE);
15023 if (WhiteOnMove(currentMove)) {
15024 DisplayError(_("It is not Black's turn"), 0);
15028 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
15031 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15032 gameMode == AnalyzeFile)
15035 ResurrectChessProgram(); /* in case it isn't running */
15036 gameMode = MachinePlaysBlack;
15040 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
15042 if (first.sendName) {
15043 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
15044 SendToProgram(buf, &first);
15046 if (first.sendTime) {
15047 if (first.useColors) {
15048 SendToProgram("white\n", &first); /*gnu kludge*/
15050 SendTimeRemaining(&first, FALSE);
15052 if (first.useColors) {
15053 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
15055 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
15056 SetMachineThinkingEnables();
15057 first.maybeThinking = TRUE;
15060 if (appData.autoFlipView && flipView) {
15061 flipView = !flipView;
15062 DrawPosition(FALSE, NULL);
15063 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
15065 if(bookHit) { // [HGM] book: simulate book reply
15066 static char bookMove[MSG_SIZ]; // a bit generous?
15068 programStats.nodes = programStats.depth = programStats.time =
15069 programStats.score = programStats.got_only_move = 0;
15070 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15072 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15073 strcat(bookMove, bookHit);
15074 savedMessage = bookMove; // args for deferred call
15075 savedState = &first;
15076 ScheduleDelayedEvent(DeferredBookMove, 1);
15082 DisplayTwoMachinesTitle ()
15085 if (appData.matchGames > 0) {
15086 if(appData.tourneyFile[0]) {
15087 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
15088 gameInfo.white, _("vs."), gameInfo.black,
15089 nextGame+1, appData.matchGames+1,
15090 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
15092 if (first.twoMachinesColor[0] == 'w') {
15093 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
15094 gameInfo.white, _("vs."), gameInfo.black,
15095 first.matchWins, second.matchWins,
15096 matchGame - 1 - (first.matchWins + second.matchWins));
15098 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
15099 gameInfo.white, _("vs."), gameInfo.black,
15100 second.matchWins, first.matchWins,
15101 matchGame - 1 - (first.matchWins + second.matchWins));
15104 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
15110 SettingsMenuIfReady ()
15112 if (second.lastPing != second.lastPong) {
15113 DisplayMessage("", _("Waiting for second chess program"));
15114 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
15118 DisplayMessage("", "");
15119 SettingsPopUp(&second);
15123 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
15126 if (cps->pr == NoProc) {
15127 StartChessProgram(cps);
15128 if (cps->protocolVersion == 1) {
15130 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
15132 /* kludge: allow timeout for initial "feature" command */
15133 if(retry != TwoMachinesEventIfReady) FreezeUI();
15134 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
15135 DisplayMessage("", buf);
15136 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
15144 TwoMachinesEvent P((void))
15146 int i, move = forwardMostMove;
15148 ChessProgramState *onmove;
15149 char *bookHit = NULL;
15150 static int stalling = 0;
15154 if (appData.noChessProgram) return;
15156 switch (gameMode) {
15157 case TwoMachinesPlay:
15159 case MachinePlaysWhite:
15160 case MachinePlaysBlack:
15161 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15162 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15166 case BeginningOfGame:
15167 case PlayFromGameFile:
15170 if (gameMode != EditGame) return;
15173 EditPositionDone(TRUE);
15184 // forwardMostMove = currentMove;
15185 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15186 startingEngine = TRUE;
15188 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15190 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15191 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15192 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15196 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15198 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15199 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15200 startingEngine = matchMode = FALSE;
15201 DisplayError("second engine does not play this", 0);
15202 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15203 EditGameEvent(); // switch back to EditGame mode
15208 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15209 SendToProgram("force\n", &second);
15211 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15215 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15216 if(appData.matchPause>10000 || appData.matchPause<10)
15217 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15218 wait = SubtractTimeMarks(&now, &pauseStart);
15219 if(wait < appData.matchPause) {
15220 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15223 // we are now committed to starting the game
15225 DisplayMessage("", "");
15227 if (startedFromSetupPosition) {
15228 SendBoard(&second, backwardMostMove);
15229 if (appData.debugMode) {
15230 fprintf(debugFP, "Two Machines\n");
15233 for (i = backwardMostMove; i < forwardMostMove; i++) {
15234 SendMoveToProgram(i, &second);
15238 gameMode = TwoMachinesPlay;
15239 pausing = startingEngine = FALSE;
15240 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15242 DisplayTwoMachinesTitle();
15244 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15249 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15250 SendToProgram(first.computerString, &first);
15251 if (first.sendName) {
15252 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15253 SendToProgram(buf, &first);
15256 SendToProgram(second.computerString, &second);
15257 if (second.sendName) {
15258 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15259 SendToProgram(buf, &second);
15263 if (!first.sendTime || !second.sendTime || move == 0) { // [HGM] first engine changed sides from Reset, so recalc time odds
15265 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15266 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15268 if (onmove->sendTime) {
15269 if (onmove->useColors) {
15270 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15272 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15274 if (onmove->useColors) {
15275 SendToProgram(onmove->twoMachinesColor, onmove);
15277 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15278 // SendToProgram("go\n", onmove);
15279 onmove->maybeThinking = TRUE;
15280 SetMachineThinkingEnables();
15284 if(bookHit) { // [HGM] book: simulate book reply
15285 static char bookMove[MSG_SIZ]; // a bit generous?
15287 programStats.nodes = programStats.depth = programStats.time =
15288 programStats.score = programStats.got_only_move = 0;
15289 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15291 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15292 strcat(bookMove, bookHit);
15293 savedMessage = bookMove; // args for deferred call
15294 savedState = onmove;
15295 ScheduleDelayedEvent(DeferredBookMove, 1);
15302 if (gameMode == Training) {
15303 SetTrainingModeOff();
15304 gameMode = PlayFromGameFile;
15305 DisplayMessage("", _("Training mode off"));
15307 gameMode = Training;
15308 animateTraining = appData.animate;
15310 /* make sure we are not already at the end of the game */
15311 if (currentMove < forwardMostMove) {
15312 SetTrainingModeOn();
15313 DisplayMessage("", _("Training mode on"));
15315 gameMode = PlayFromGameFile;
15316 DisplayError(_("Already at end of game"), 0);
15325 if (!appData.icsActive) return;
15326 switch (gameMode) {
15327 case IcsPlayingWhite:
15328 case IcsPlayingBlack:
15331 case BeginningOfGame:
15339 EditPositionDone(TRUE);
15352 gameMode = IcsIdle;
15362 switch (gameMode) {
15364 SetTrainingModeOff();
15366 case MachinePlaysWhite:
15367 case MachinePlaysBlack:
15368 case BeginningOfGame:
15369 SendToProgram("force\n", &first);
15370 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15371 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15373 abortEngineThink = TRUE;
15374 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15375 SendToProgram(buf, &first);
15376 DisplayMessage("Aborting engine think", "");
15380 SetUserThinkingEnables();
15382 case PlayFromGameFile:
15383 (void) StopLoadGameTimer();
15384 if (gameFileFP != NULL) {
15389 EditPositionDone(TRUE);
15394 SendToProgram("force\n", &first);
15396 case TwoMachinesPlay:
15397 GameEnds(EndOfFile, NULL, GE_PLAYER);
15398 ResurrectChessProgram();
15399 SetUserThinkingEnables();
15402 ResurrectChessProgram();
15404 case IcsPlayingBlack:
15405 case IcsPlayingWhite:
15406 DisplayError(_("Warning: You are still playing a game"), 0);
15409 DisplayError(_("Warning: You are still observing a game"), 0);
15412 DisplayError(_("Warning: You are still examining a game"), 0);
15423 first.offeredDraw = second.offeredDraw = 0;
15425 if (gameMode == PlayFromGameFile) {
15426 whiteTimeRemaining = timeRemaining[0][currentMove];
15427 blackTimeRemaining = timeRemaining[1][currentMove];
15431 if (gameMode == MachinePlaysWhite ||
15432 gameMode == MachinePlaysBlack ||
15433 gameMode == TwoMachinesPlay ||
15434 gameMode == EndOfGame) {
15435 i = forwardMostMove;
15436 while (i > currentMove) {
15437 SendToProgram("undo\n", &first);
15440 if(!adjustedClock) {
15441 whiteTimeRemaining = timeRemaining[0][currentMove];
15442 blackTimeRemaining = timeRemaining[1][currentMove];
15443 DisplayBothClocks();
15445 if (whiteFlag || blackFlag) {
15446 whiteFlag = blackFlag = 0;
15451 gameMode = EditGame;
15457 EditPositionEvent ()
15460 if (gameMode == EditPosition) {
15466 if (gameMode != EditGame) return;
15468 gameMode = EditPosition;
15471 CopyBoard(rightsBoard, nullBoard);
15472 if (currentMove > 0)
15473 CopyBoard(boards[0], boards[currentMove]);
15474 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15475 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15477 blackPlaysFirst = !WhiteOnMove(currentMove);
15479 currentMove = forwardMostMove = backwardMostMove = 0;
15480 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15482 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15488 /* [DM] icsEngineAnalyze - possible call from other functions */
15489 if (appData.icsEngineAnalyze) {
15490 appData.icsEngineAnalyze = FALSE;
15492 DisplayMessage("",_("Close ICS engine analyze..."));
15494 if (first.analysisSupport && first.analyzing) {
15495 SendToBoth("exit\n");
15496 first.analyzing = second.analyzing = FALSE;
15498 thinkOutput[0] = NULLCHAR;
15502 EditPositionDone (Boolean fakeRights)
15504 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15506 startedFromSetupPosition = TRUE;
15507 InitChessProgram(&first, FALSE);
15508 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15510 boards[0][EP_STATUS] = EP_NONE;
15511 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15512 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15513 if(rightsBoard[r][f]) {
15514 ChessSquare p = boards[0][r][f];
15515 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15516 else if(p == king) boards[0][CASTLING][2] = f;
15517 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15518 else rightsBoard[r][f] = 2; // mark for second pass
15521 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15522 if(rightsBoard[r][f] == 2) {
15523 ChessSquare p = boards[0][r][f];
15524 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15525 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15529 SendToProgram("force\n", &first);
15530 if (blackPlaysFirst) {
15531 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15532 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15533 currentMove = forwardMostMove = backwardMostMove = 1;
15534 CopyBoard(boards[1], boards[0]);
15536 currentMove = forwardMostMove = backwardMostMove = 0;
15538 SendBoard(&first, forwardMostMove);
15539 if (appData.debugMode) {
15540 fprintf(debugFP, "EditPosDone\n");
15543 DisplayMessage("", "");
15544 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15545 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15546 gameMode = EditGame;
15548 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15549 ClearHighlights(); /* [AS] */
15552 /* Pause for `ms' milliseconds */
15553 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15555 TimeDelay (long ms)
15562 } while (SubtractTimeMarks(&m2, &m1) < ms);
15565 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15567 SendMultiLineToICS (char *buf)
15569 char temp[MSG_SIZ+1], *p;
15576 strncpy(temp, buf, len);
15581 if (*p == '\n' || *p == '\r')
15586 strcat(temp, "\n");
15588 SendToPlayer(temp, strlen(temp));
15592 SetWhiteToPlayEvent ()
15594 if (gameMode == EditPosition) {
15595 blackPlaysFirst = FALSE;
15596 DisplayBothClocks(); /* works because currentMove is 0 */
15597 } else if (gameMode == IcsExamining) {
15598 SendToICS(ics_prefix);
15599 SendToICS("tomove white\n");
15604 SetBlackToPlayEvent ()
15606 if (gameMode == EditPosition) {
15607 blackPlaysFirst = TRUE;
15608 currentMove = 1; /* kludge */
15609 DisplayBothClocks();
15611 } else if (gameMode == IcsExamining) {
15612 SendToICS(ics_prefix);
15613 SendToICS("tomove black\n");
15618 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15621 ChessSquare piece = boards[0][y][x];
15622 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15623 static int lastVariant;
15624 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15626 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15628 switch (selection) {
15630 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15631 MarkTargetSquares(1);
15632 CopyBoard(currentBoard, boards[0]);
15633 CopyBoard(menuBoard, initialPosition);
15634 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15635 SendToICS(ics_prefix);
15636 SendToICS("bsetup clear\n");
15637 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15638 SendToICS(ics_prefix);
15639 SendToICS("clearboard\n");
15642 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15643 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15644 for (y = 0; y < BOARD_HEIGHT; y++) {
15645 if (gameMode == IcsExamining) {
15646 if (boards[currentMove][y][x] != EmptySquare) {
15647 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15651 } else if(boards[0][y][x] != DarkSquare) {
15652 if(boards[0][y][x] != p) nonEmpty++;
15653 boards[0][y][x] = p;
15657 CopyBoard(rightsBoard, nullBoard);
15658 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15660 for(r = 0; r < BOARD_HEIGHT; r++) {
15661 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15662 ChessSquare p = menuBoard[r][x];
15663 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15666 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15667 DisplayMessage("Clicking clock again restores position", "");
15668 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15669 if(!nonEmpty) { // asked to clear an empty board
15670 CopyBoard(boards[0], menuBoard);
15672 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15673 CopyBoard(boards[0], initialPosition);
15675 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15676 && !CompareBoards(nullBoard, erasedBoard)) {
15677 CopyBoard(boards[0], erasedBoard);
15679 CopyBoard(erasedBoard, currentBoard);
15681 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15682 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15685 if (gameMode == EditPosition) {
15686 DrawPosition(FALSE, boards[0]);
15691 SetWhiteToPlayEvent();
15695 SetBlackToPlayEvent();
15699 if (gameMode == IcsExamining) {
15700 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15701 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15704 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15705 if(x == BOARD_LEFT-2) {
15706 if(y < handSize-1-gameInfo.holdingsSize) break;
15707 boards[0][y][1] = 0;
15709 if(x == BOARD_RGHT+1) {
15710 if(y >= gameInfo.holdingsSize) break;
15711 boards[0][y][BOARD_WIDTH-2] = 0;
15714 boards[0][y][x] = EmptySquare;
15715 DrawPosition(FALSE, boards[0]);
15720 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15721 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15722 selection = (ChessSquare) (PROMOTED(piece));
15723 } else if(piece == EmptySquare) selection = WhiteSilver;
15724 else selection = (ChessSquare)((int)piece - 1);
15728 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15729 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15730 selection = (ChessSquare) (DEMOTED(piece));
15731 } else if(piece == EmptySquare) selection = BlackSilver;
15732 else selection = (ChessSquare)((int)piece + 1);
15737 if(gameInfo.variant == VariantShatranj ||
15738 gameInfo.variant == VariantXiangqi ||
15739 gameInfo.variant == VariantCourier ||
15740 gameInfo.variant == VariantASEAN ||
15741 gameInfo.variant == VariantMakruk )
15742 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15748 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15749 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15755 if(gameInfo.variant == VariantXiangqi)
15756 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15757 if(gameInfo.variant == VariantKnightmate)
15758 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15759 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15762 if (gameMode == IcsExamining) {
15763 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15764 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15765 PieceToChar(selection), AAA + x, ONE + y);
15768 rightsBoard[y][x] = hasRights;
15769 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15771 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15772 n = PieceToNumber(selection - BlackPawn);
15773 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15774 boards[0][handSize-1-n][0] = selection;
15775 boards[0][handSize-1-n][1]++;
15777 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15778 n = PieceToNumber(selection);
15779 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15780 boards[0][n][BOARD_WIDTH-1] = selection;
15781 boards[0][n][BOARD_WIDTH-2]++;
15784 boards[0][y][x] = selection;
15785 DrawPosition(TRUE, boards[0]);
15787 fromX = fromY = -1;
15795 DropMenuEvent (ChessSquare selection, int x, int y)
15797 ChessMove moveType;
15799 switch (gameMode) {
15800 case IcsPlayingWhite:
15801 case MachinePlaysBlack:
15802 if (!WhiteOnMove(currentMove)) {
15803 DisplayMoveError(_("It is Black's turn"));
15806 moveType = WhiteDrop;
15808 case IcsPlayingBlack:
15809 case MachinePlaysWhite:
15810 if (WhiteOnMove(currentMove)) {
15811 DisplayMoveError(_("It is White's turn"));
15814 moveType = BlackDrop;
15817 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15823 if (moveType == BlackDrop && selection < BlackPawn) {
15824 selection = (ChessSquare) ((int) selection
15825 + (int) BlackPawn - (int) WhitePawn);
15827 if (boards[currentMove][y][x] != EmptySquare) {
15828 DisplayMoveError(_("That square is occupied"));
15832 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15838 /* Accept a pending offer of any kind from opponent */
15840 if (appData.icsActive) {
15841 SendToICS(ics_prefix);
15842 SendToICS("accept\n");
15843 } else if (cmailMsgLoaded) {
15844 if (currentMove == cmailOldMove &&
15845 commentList[cmailOldMove] != NULL &&
15846 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15847 "Black offers a draw" : "White offers a draw")) {
15849 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15850 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15852 DisplayError(_("There is no pending offer on this move"), 0);
15853 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15856 /* Not used for offers from chess program */
15863 /* Decline a pending offer of any kind from opponent */
15865 if (appData.icsActive) {
15866 SendToICS(ics_prefix);
15867 SendToICS("decline\n");
15868 } else if (cmailMsgLoaded) {
15869 if (currentMove == cmailOldMove &&
15870 commentList[cmailOldMove] != NULL &&
15871 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15872 "Black offers a draw" : "White offers a draw")) {
15874 AppendComment(cmailOldMove, "Draw declined", TRUE);
15875 DisplayComment(cmailOldMove - 1, "Draw declined");
15878 DisplayError(_("There is no pending offer on this move"), 0);
15881 /* Not used for offers from chess program */
15888 /* Issue ICS rematch command */
15889 if (appData.icsActive) {
15890 SendToICS(ics_prefix);
15891 SendToICS("rematch\n");
15898 /* Call your opponent's flag (claim a win on time) */
15899 if (appData.icsActive) {
15900 SendToICS(ics_prefix);
15901 SendToICS("flag\n");
15903 switch (gameMode) {
15906 case MachinePlaysWhite:
15909 GameEnds(GameIsDrawn, "Both players ran out of time",
15912 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15914 DisplayError(_("Your opponent is not out of time"), 0);
15917 case MachinePlaysBlack:
15920 GameEnds(GameIsDrawn, "Both players ran out of time",
15923 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15925 DisplayError(_("Your opponent is not out of time"), 0);
15933 ClockClick (int which)
15934 { // [HGM] code moved to back-end from winboard.c
15935 if(which) { // black clock
15936 if (gameMode == EditPosition || gameMode == IcsExamining) {
15937 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15938 SetBlackToPlayEvent();
15939 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15940 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15941 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15942 } else if (shiftKey) {
15943 AdjustClock(which, -1);
15944 } else if (gameMode == IcsPlayingWhite ||
15945 gameMode == MachinePlaysBlack) {
15948 } else { // white clock
15949 if (gameMode == EditPosition || gameMode == IcsExamining) {
15950 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15951 SetWhiteToPlayEvent();
15952 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15953 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15954 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15955 } else if (shiftKey) {
15956 AdjustClock(which, -1);
15957 } else if (gameMode == IcsPlayingBlack ||
15958 gameMode == MachinePlaysWhite) {
15967 /* Offer draw or accept pending draw offer from opponent */
15969 if (appData.icsActive) {
15970 /* Note: tournament rules require draw offers to be
15971 made after you make your move but before you punch
15972 your clock. Currently ICS doesn't let you do that;
15973 instead, you immediately punch your clock after making
15974 a move, but you can offer a draw at any time. */
15976 SendToICS(ics_prefix);
15977 SendToICS("draw\n");
15978 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15979 } else if (cmailMsgLoaded) {
15980 if (currentMove == cmailOldMove &&
15981 commentList[cmailOldMove] != NULL &&
15982 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15983 "Black offers a draw" : "White offers a draw")) {
15984 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15985 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15986 } else if (currentMove == cmailOldMove + 1) {
15987 char *offer = WhiteOnMove(cmailOldMove) ?
15988 "White offers a draw" : "Black offers a draw";
15989 AppendComment(currentMove, offer, TRUE);
15990 DisplayComment(currentMove - 1, offer);
15991 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15993 DisplayError(_("You must make your move before offering a draw"), 0);
15994 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15996 } else if (first.offeredDraw) {
15997 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15999 if (first.sendDrawOffers) {
16000 SendToProgram("draw\n", &first);
16001 userOfferedDraw = TRUE;
16009 /* Offer Adjourn or accept pending Adjourn offer from opponent */
16011 if (appData.icsActive) {
16012 SendToICS(ics_prefix);
16013 SendToICS("adjourn\n");
16015 /* Currently GNU Chess doesn't offer or accept Adjourns */
16023 /* Offer Abort or accept pending Abort offer from opponent */
16025 if (appData.icsActive) {
16026 SendToICS(ics_prefix);
16027 SendToICS("abort\n");
16029 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
16036 /* Resign. You can do this even if it's not your turn. */
16038 if (appData.icsActive) {
16039 SendToICS(ics_prefix);
16040 SendToICS("resign\n");
16042 switch (gameMode) {
16043 case MachinePlaysWhite:
16044 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
16046 case MachinePlaysBlack:
16047 GameEnds(BlackWins, "White resigns", GE_PLAYER);
16050 if (cmailMsgLoaded) {
16052 if (WhiteOnMove(cmailOldMove)) {
16053 GameEnds(BlackWins, "White resigns", GE_PLAYER);
16055 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
16057 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
16068 StopObservingEvent ()
16070 /* Stop observing current games */
16071 SendToICS(ics_prefix);
16072 SendToICS("unobserve\n");
16076 StopExaminingEvent ()
16078 /* Stop observing current game */
16079 SendToICS(ics_prefix);
16080 SendToICS("unexamine\n");
16084 ForwardInner (int target)
16086 int limit; int oldSeekGraphUp = seekGraphUp;
16088 if (appData.debugMode)
16089 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
16090 target, currentMove, forwardMostMove);
16092 if (gameMode == EditPosition)
16095 seekGraphUp = FALSE;
16096 MarkTargetSquares(1);
16097 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16099 if (gameMode == PlayFromGameFile && !pausing)
16102 if (gameMode == IcsExamining && pausing)
16103 limit = pauseExamForwardMostMove;
16105 limit = forwardMostMove;
16107 if (target > limit) target = limit;
16109 if (target > 0 && moveList[target - 1][0]) {
16110 int fromX, fromY, toX, toY;
16111 toX = moveList[target - 1][2] - AAA;
16112 toY = moveList[target - 1][3] - ONE;
16113 if (moveList[target - 1][1] == '@') {
16114 if (appData.highlightLastMove) {
16115 SetHighlights(-1, -1, toX, toY);
16118 fromX = moveList[target - 1][0] - AAA;
16119 fromY = moveList[target - 1][1] - ONE;
16120 if (target == currentMove + 1) {
16121 if(moveList[target - 1][4] == ';') { // multi-leg
16122 killX = moveList[target - 1][5] - AAA;
16123 killY = moveList[target - 1][6] - ONE;
16125 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
16126 killX = killY = -1;
16128 if (appData.highlightLastMove) {
16129 SetHighlights(fromX, fromY, toX, toY);
16133 if (gameMode == EditGame || gameMode == AnalyzeMode ||
16134 gameMode == Training || gameMode == PlayFromGameFile ||
16135 gameMode == AnalyzeFile) {
16136 while (currentMove < target) {
16137 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16138 SendMoveToProgram(currentMove++, &first);
16141 currentMove = target;
16144 if (gameMode == EditGame || gameMode == EndOfGame) {
16145 whiteTimeRemaining = timeRemaining[0][currentMove];
16146 blackTimeRemaining = timeRemaining[1][currentMove];
16148 DisplayBothClocks();
16149 DisplayMove(currentMove - 1);
16150 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16151 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16152 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16153 DisplayComment(currentMove - 1, commentList[currentMove]);
16155 ClearMap(); // [HGM] exclude: invalidate map
16162 if (gameMode == IcsExamining && !pausing) {
16163 SendToICS(ics_prefix);
16164 SendToICS("forward\n");
16166 ForwardInner(currentMove + 1);
16173 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16174 /* to optimze, we temporarily turn off analysis mode while we feed
16175 * the remaining moves to the engine. Otherwise we get analysis output
16178 if (first.analysisSupport) {
16179 SendToProgram("exit\nforce\n", &first);
16180 first.analyzing = FALSE;
16184 if (gameMode == IcsExamining && !pausing) {
16185 SendToICS(ics_prefix);
16186 SendToICS("forward 999999\n");
16188 ForwardInner(forwardMostMove);
16191 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16192 /* we have fed all the moves, so reactivate analysis mode */
16193 SendToProgram("analyze\n", &first);
16194 first.analyzing = TRUE;
16195 /*first.maybeThinking = TRUE;*/
16196 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16201 BackwardInner (int target)
16203 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16205 if (appData.debugMode)
16206 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16207 target, currentMove, forwardMostMove);
16209 if (gameMode == EditPosition) return;
16210 seekGraphUp = FALSE;
16211 MarkTargetSquares(1);
16212 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16213 if (currentMove <= backwardMostMove) {
16215 DrawPosition(full_redraw, boards[currentMove]);
16218 if (gameMode == PlayFromGameFile && !pausing)
16221 if (moveList[target][0]) {
16222 int fromX, fromY, toX, toY;
16223 toX = moveList[target][2] - AAA;
16224 toY = moveList[target][3] - ONE;
16225 if (moveList[target][1] == '@') {
16226 if (appData.highlightLastMove) {
16227 SetHighlights(-1, -1, toX, toY);
16230 fromX = moveList[target][0] - AAA;
16231 fromY = moveList[target][1] - ONE;
16232 if (target == currentMove - 1) {
16233 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16235 if (appData.highlightLastMove) {
16236 SetHighlights(fromX, fromY, toX, toY);
16240 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16241 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16242 while (currentMove > target) {
16243 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16244 // null move cannot be undone. Reload program with move history before it.
16246 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16247 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16249 SendBoard(&first, i);
16250 if(second.analyzing) SendBoard(&second, i);
16251 for(currentMove=i; currentMove<target; currentMove++) {
16252 SendMoveToProgram(currentMove, &first);
16253 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16257 SendToBoth("undo\n");
16261 currentMove = target;
16264 if (gameMode == EditGame || gameMode == EndOfGame) {
16265 whiteTimeRemaining = timeRemaining[0][currentMove];
16266 blackTimeRemaining = timeRemaining[1][currentMove];
16268 DisplayBothClocks();
16269 DisplayMove(currentMove - 1);
16270 DrawPosition(full_redraw, boards[currentMove]);
16271 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16272 // [HGM] PV info: routine tests if comment empty
16273 DisplayComment(currentMove - 1, commentList[currentMove]);
16274 ClearMap(); // [HGM] exclude: invalidate map
16280 if (gameMode == IcsExamining && !pausing) {
16281 SendToICS(ics_prefix);
16282 SendToICS("backward\n");
16284 BackwardInner(currentMove - 1);
16291 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16292 /* to optimize, we temporarily turn off analysis mode while we undo
16293 * all the moves. Otherwise we get analysis output after each undo.
16295 if (first.analysisSupport) {
16296 SendToProgram("exit\nforce\n", &first);
16297 first.analyzing = FALSE;
16301 if (gameMode == IcsExamining && !pausing) {
16302 SendToICS(ics_prefix);
16303 SendToICS("backward 999999\n");
16305 BackwardInner(backwardMostMove);
16308 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16309 /* we have fed all the moves, so reactivate analysis mode */
16310 SendToProgram("analyze\n", &first);
16311 first.analyzing = TRUE;
16312 /*first.maybeThinking = TRUE;*/
16313 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16320 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16321 if (to >= forwardMostMove) to = forwardMostMove;
16322 if (to <= backwardMostMove) to = backwardMostMove;
16323 if (to < currentMove) {
16331 RevertEvent (Boolean annotate)
16333 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16336 if (gameMode != IcsExamining) {
16337 DisplayError(_("You are not examining a game"), 0);
16341 DisplayError(_("You can't revert while pausing"), 0);
16344 SendToICS(ics_prefix);
16345 SendToICS("revert\n");
16349 RetractMoveEvent ()
16351 switch (gameMode) {
16352 case MachinePlaysWhite:
16353 case MachinePlaysBlack:
16354 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16355 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16358 if (forwardMostMove < 2) return;
16359 currentMove = forwardMostMove = forwardMostMove - 2;
16360 whiteTimeRemaining = timeRemaining[0][currentMove];
16361 blackTimeRemaining = timeRemaining[1][currentMove];
16362 DisplayBothClocks();
16363 DisplayMove(currentMove - 1);
16364 ClearHighlights();/*!! could figure this out*/
16365 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16366 SendToProgram("remove\n", &first);
16367 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16370 case BeginningOfGame:
16374 case IcsPlayingWhite:
16375 case IcsPlayingBlack:
16376 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16377 SendToICS(ics_prefix);
16378 SendToICS("takeback 2\n");
16380 SendToICS(ics_prefix);
16381 SendToICS("takeback 1\n");
16390 ChessProgramState *cps;
16392 switch (gameMode) {
16393 case MachinePlaysWhite:
16394 if (!WhiteOnMove(forwardMostMove)) {
16395 DisplayError(_("It is your turn"), 0);
16400 case MachinePlaysBlack:
16401 if (WhiteOnMove(forwardMostMove)) {
16402 DisplayError(_("It is your turn"), 0);
16407 case TwoMachinesPlay:
16408 if (WhiteOnMove(forwardMostMove) ==
16409 (first.twoMachinesColor[0] == 'w')) {
16415 case BeginningOfGame:
16419 SendToProgram("?\n", cps);
16423 TruncateGameEvent ()
16426 if (gameMode != EditGame) return;
16433 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16434 if (forwardMostMove > currentMove) {
16435 if (gameInfo.resultDetails != NULL) {
16436 free(gameInfo.resultDetails);
16437 gameInfo.resultDetails = NULL;
16438 gameInfo.result = GameUnfinished;
16440 forwardMostMove = currentMove;
16441 HistorySet(parseList, backwardMostMove, forwardMostMove,
16449 if (appData.noChessProgram) return;
16450 switch (gameMode) {
16451 case MachinePlaysWhite:
16452 if (WhiteOnMove(forwardMostMove)) {
16453 DisplayError(_("Wait until your turn."), 0);
16457 case BeginningOfGame:
16458 case MachinePlaysBlack:
16459 if (!WhiteOnMove(forwardMostMove)) {
16460 DisplayError(_("Wait until your turn."), 0);
16465 DisplayError(_("No hint available"), 0);
16468 SendToProgram("hint\n", &first);
16469 hintRequested = TRUE;
16473 SaveSelected (FILE *g, int dummy, char *dummy2)
16475 ListGame * lg = (ListGame *) gameList.head;
16479 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16480 DisplayError(_("Game list not loaded or empty"), 0);
16484 creatingBook = TRUE; // suppresses stuff during load game
16486 /* Get list size */
16487 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16488 if(lg->position >= 0) { // selected?
16489 LoadGame(f, nItem, "", TRUE);
16490 SaveGamePGN2(g); // leaves g open
16493 lg = (ListGame *) lg->node.succ;
16497 creatingBook = FALSE;
16505 ListGame * lg = (ListGame *) gameList.head;
16508 static int secondTime = FALSE;
16510 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16511 DisplayError(_("Game list not loaded or empty"), 0);
16515 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16518 DisplayNote(_("Book file exists! Try again for overwrite."));
16522 creatingBook = TRUE;
16523 secondTime = FALSE;
16525 /* Get list size */
16526 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16527 if(lg->position >= 0) {
16528 LoadGame(f, nItem, "", TRUE);
16529 AddGameToBook(TRUE);
16532 lg = (ListGame *) lg->node.succ;
16535 creatingBook = FALSE;
16542 if (appData.noChessProgram) return;
16543 switch (gameMode) {
16544 case MachinePlaysWhite:
16545 if (WhiteOnMove(forwardMostMove)) {
16546 DisplayError(_("Wait until your turn."), 0);
16550 case BeginningOfGame:
16551 case MachinePlaysBlack:
16552 if (!WhiteOnMove(forwardMostMove)) {
16553 DisplayError(_("Wait until your turn."), 0);
16558 EditPositionDone(TRUE);
16560 case TwoMachinesPlay:
16565 SendToProgram("bk\n", &first);
16566 bookOutput[0] = NULLCHAR;
16567 bookRequested = TRUE;
16573 char *tags = PGNTags(&gameInfo);
16574 TagsPopUp(tags, CmailMsg());
16578 /* end button procedures */
16581 PrintPosition (FILE *fp, int move)
16585 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16586 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16587 char c = PieceToChar(boards[move][i][j]);
16588 fputc(c == '?' ? '.' : c, fp);
16589 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16592 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16593 fprintf(fp, "white to play\n");
16595 fprintf(fp, "black to play\n");
16599 PrintOpponents (FILE *fp)
16601 if (gameInfo.white != NULL) {
16602 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16608 /* Find last component of program's own name, using some heuristics */
16610 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16613 int local = (strcmp(host, "localhost") == 0);
16614 while (!local && (p = strchr(prog, ';')) != NULL) {
16616 while (*p == ' ') p++;
16619 if (*prog == '"' || *prog == '\'') {
16620 q = strchr(prog + 1, *prog);
16622 q = strchr(prog, ' ');
16624 if (q == NULL) q = prog + strlen(prog);
16626 while (p >= prog && *p != '/' && *p != '\\') p--;
16628 if(p == prog && *p == '"') p++;
16630 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16631 memcpy(buf, p, q - p);
16632 buf[q - p] = NULLCHAR;
16640 TimeControlTagValue ()
16643 if (!appData.clockMode) {
16644 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16645 } else if (movesPerSession > 0) {
16646 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16647 } else if (timeIncrement == 0) {
16648 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16650 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16652 return StrSave(buf);
16658 /* This routine is used only for certain modes */
16659 VariantClass v = gameInfo.variant;
16660 ChessMove r = GameUnfinished;
16663 if(keepInfo) return;
16665 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16666 r = gameInfo.result;
16667 p = gameInfo.resultDetails;
16668 gameInfo.resultDetails = NULL;
16670 ClearGameInfo(&gameInfo);
16671 gameInfo.variant = v;
16673 switch (gameMode) {
16674 case MachinePlaysWhite:
16675 gameInfo.event = StrSave( appData.pgnEventHeader );
16676 gameInfo.site = StrSave(HostName());
16677 gameInfo.date = PGNDate();
16678 gameInfo.round = StrSave("-");
16679 gameInfo.white = StrSave(first.tidy);
16680 gameInfo.black = StrSave(UserName());
16681 gameInfo.timeControl = TimeControlTagValue();
16684 case MachinePlaysBlack:
16685 gameInfo.event = StrSave( appData.pgnEventHeader );
16686 gameInfo.site = StrSave(HostName());
16687 gameInfo.date = PGNDate();
16688 gameInfo.round = StrSave("-");
16689 gameInfo.white = StrSave(UserName());
16690 gameInfo.black = StrSave(first.tidy);
16691 gameInfo.timeControl = TimeControlTagValue();
16694 case TwoMachinesPlay:
16695 gameInfo.event = StrSave( appData.pgnEventHeader );
16696 gameInfo.site = StrSave(HostName());
16697 gameInfo.date = PGNDate();
16700 snprintf(buf, MSG_SIZ, "%d", roundNr);
16701 gameInfo.round = StrSave(buf);
16703 gameInfo.round = StrSave("-");
16705 if (first.twoMachinesColor[0] == 'w') {
16706 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16707 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16709 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16710 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16712 gameInfo.timeControl = TimeControlTagValue();
16716 gameInfo.event = StrSave("Edited game");
16717 gameInfo.site = StrSave(HostName());
16718 gameInfo.date = PGNDate();
16719 gameInfo.round = StrSave("-");
16720 gameInfo.white = StrSave("-");
16721 gameInfo.black = StrSave("-");
16722 gameInfo.result = r;
16723 gameInfo.resultDetails = p;
16727 gameInfo.event = StrSave("Edited position");
16728 gameInfo.site = StrSave(HostName());
16729 gameInfo.date = PGNDate();
16730 gameInfo.round = StrSave("-");
16731 gameInfo.white = StrSave("-");
16732 gameInfo.black = StrSave("-");
16735 case IcsPlayingWhite:
16736 case IcsPlayingBlack:
16741 case PlayFromGameFile:
16742 gameInfo.event = StrSave("Game from non-PGN file");
16743 gameInfo.site = StrSave(HostName());
16744 gameInfo.date = PGNDate();
16745 gameInfo.round = StrSave("-");
16746 gameInfo.white = StrSave("?");
16747 gameInfo.black = StrSave("?");
16756 ReplaceComment (int index, char *text)
16762 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16763 pvInfoList[index-1].depth == len &&
16764 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16765 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16766 while (*text == '\n') text++;
16767 len = strlen(text);
16768 while (len > 0 && text[len - 1] == '\n') len--;
16770 if (commentList[index] != NULL)
16771 free(commentList[index]);
16774 commentList[index] = NULL;
16777 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16778 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16779 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16780 commentList[index] = (char *) malloc(len + 2);
16781 strncpy(commentList[index], text, len);
16782 commentList[index][len] = '\n';
16783 commentList[index][len + 1] = NULLCHAR;
16785 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16787 commentList[index] = (char *) malloc(len + 7);
16788 safeStrCpy(commentList[index], "{\n", 3);
16789 safeStrCpy(commentList[index]+2, text, len+1);
16790 commentList[index][len+2] = NULLCHAR;
16791 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16792 strcat(commentList[index], "\n}\n");
16797 CrushCRs (char *text)
16805 if (ch == '\r') continue;
16807 } while (ch != '\0');
16811 AppendComment (int index, char *text, Boolean addBraces)
16812 /* addBraces tells if we should add {} */
16817 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16818 if(addBraces == 3) addBraces = 0; else // force appending literally
16819 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16822 while (*text == '\n') text++;
16823 len = strlen(text);
16824 while (len > 0 && text[len - 1] == '\n') len--;
16825 text[len] = NULLCHAR;
16827 if (len == 0) return;
16829 if (commentList[index] != NULL) {
16830 Boolean addClosingBrace = addBraces;
16831 old = commentList[index];
16832 oldlen = strlen(old);
16833 while(commentList[index][oldlen-1] == '\n')
16834 commentList[index][--oldlen] = NULLCHAR;
16835 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16836 safeStrCpy(commentList[index], old, oldlen + len + 6);
16838 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16839 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16840 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16841 while (*text == '\n') { text++; len--; }
16842 commentList[index][--oldlen] = NULLCHAR;
16844 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16845 else strcat(commentList[index], "\n");
16846 strcat(commentList[index], text);
16847 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16848 else strcat(commentList[index], "\n");
16850 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16852 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16853 else commentList[index][0] = NULLCHAR;
16854 strcat(commentList[index], text);
16855 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16856 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16861 FindStr (char * text, char * sub_text)
16863 char * result = strstr( text, sub_text );
16865 if( result != NULL ) {
16866 result += strlen( sub_text );
16872 /* [AS] Try to extract PV info from PGN comment */
16873 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16875 GetInfoFromComment (int index, char * text)
16877 char * sep = text, *p;
16879 if( text != NULL && index > 0 ) {
16882 int time = -1, sec = 0, deci;
16883 char * s_eval = FindStr( text, "[%eval " );
16884 char * s_emt = FindStr( text, "[%emt " );
16886 if( s_eval != NULL || s_emt != NULL ) {
16888 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16893 if( s_eval != NULL ) {
16894 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16898 if( delim != ']' ) {
16903 if( s_emt != NULL ) {
16908 /* We expect something like: [+|-]nnn.nn/dd */
16911 if(*text != '{') return text; // [HGM] braces: must be normal comment
16913 sep = strchr( text, '/' );
16914 if( sep == NULL || sep < (text+4) ) {
16919 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16920 if(p[1] == '(') { // comment starts with PV
16921 p = strchr(p, ')'); // locate end of PV
16922 if(p == NULL || sep < p+5) return text;
16923 // at this point we have something like "{(.*) +0.23/6 ..."
16924 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16925 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16926 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16928 time = -1; sec = -1; deci = -1;
16929 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16930 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16931 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16932 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16936 if( score_lo < 0 || score_lo >= 100 ) {
16940 if(sec >= 0) time = 600*time + 10*sec; else
16941 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16943 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16945 /* [HGM] PV time: now locate end of PV info */
16946 while( *++sep >= '0' && *sep <= '9'); // strip depth
16948 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16950 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16952 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16953 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16964 pvInfoList[index-1].depth = depth;
16965 pvInfoList[index-1].score = score;
16966 pvInfoList[index-1].time = 10*time; // centi-sec
16967 if(*sep == '}') *sep = 0; else *--sep = '{';
16969 while(*p++ = *sep++)
16972 } // squeeze out space between PV and comment, and return both
16978 SendToProgram (char *message, ChessProgramState *cps)
16980 int count, outCount, error;
16983 if (cps->pr == NoProc) return;
16986 if (appData.debugMode) {
16989 fprintf(debugFP, "%ld >%-6s: %s",
16990 SubtractTimeMarks(&now, &programStartTime),
16991 cps->which, message);
16993 fprintf(serverFP, "%ld >%-6s: %s",
16994 SubtractTimeMarks(&now, &programStartTime),
16995 cps->which, message), fflush(serverFP);
16998 count = strlen(message);
16999 outCount = OutputToProcess(cps->pr, message, count, &error);
17000 if (outCount < count && !exiting
17001 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
17002 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
17003 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
17004 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
17005 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
17006 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
17007 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
17008 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
17010 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
17011 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
17012 gameInfo.result = res;
17014 gameInfo.resultDetails = StrSave(buf);
17016 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
17017 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
17022 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
17026 ChessProgramState *cps = (ChessProgramState *)closure;
17028 if (isr != cps->isr) return; /* Killed intentionally */
17031 RemoveInputSource(cps->isr);
17032 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
17033 _(cps->which), cps->program);
17034 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
17035 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
17036 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
17037 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
17038 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
17039 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
17041 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
17042 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
17043 gameInfo.result = res;
17045 gameInfo.resultDetails = StrSave(buf);
17047 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
17048 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
17050 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
17051 _(cps->which), cps->program);
17052 RemoveInputSource(cps->isr);
17054 /* [AS] Program is misbehaving badly... kill it */
17055 if( count == -2 ) {
17056 DestroyChildProcess( cps->pr, 9 );
17060 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
17065 if ((end_str = strchr(message, '\r')) != NULL)
17066 *end_str = NULLCHAR;
17067 if ((end_str = strchr(message, '\n')) != NULL)
17068 *end_str = NULLCHAR;
17070 if (appData.debugMode) {
17071 TimeMark now; int print = 1;
17072 char *quote = ""; char c; int i;
17074 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
17075 char start = message[0];
17076 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
17077 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
17078 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
17079 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
17080 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
17081 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
17082 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
17083 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
17084 sscanf(message, "hint: %c", &c)!=1 &&
17085 sscanf(message, "pong %c", &c)!=1 && start != '#') {
17086 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
17087 print = (appData.engineComments >= 2);
17089 message[0] = start; // restore original message
17093 fprintf(debugFP, "%ld <%-6s: %s%s\n",
17094 SubtractTimeMarks(&now, &programStartTime), cps->which,
17098 fprintf(serverFP, "%ld <%-6s: %s%s\n",
17099 SubtractTimeMarks(&now, &programStartTime), cps->which,
17101 message), fflush(serverFP);
17105 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
17106 if (appData.icsEngineAnalyze) {
17107 if (strstr(message, "whisper") != NULL ||
17108 strstr(message, "kibitz") != NULL ||
17109 strstr(message, "tellics") != NULL) return;
17112 HandleMachineMove(message, cps);
17117 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
17122 if( timeControl_2 > 0 ) {
17123 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
17124 tc = timeControl_2;
17127 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
17128 inc /= cps->timeOdds;
17129 st /= cps->timeOdds;
17131 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
17134 /* Set exact time per move, normally using st command */
17135 if (cps->stKludge) {
17136 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
17138 if (seconds == 0) {
17139 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
17141 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
17144 snprintf(buf, MSG_SIZ, "st %d\n", st);
17147 /* Set conventional or incremental time control, using level command */
17148 if (seconds == 0) {
17149 /* Note old gnuchess bug -- minutes:seconds used to not work.
17150 Fixed in later versions, but still avoid :seconds
17151 when seconds is 0. */
17152 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17154 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17155 seconds, inc/1000.);
17158 SendToProgram(buf, cps);
17160 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17161 /* Orthogonally, limit search to given depth */
17163 if (cps->sdKludge) {
17164 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17166 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17168 SendToProgram(buf, cps);
17171 if(cps->nps >= 0) { /* [HGM] nps */
17172 if(cps->supportsNPS == FALSE)
17173 cps->nps = -1; // don't use if engine explicitly says not supported!
17175 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17176 SendToProgram(buf, cps);
17181 ChessProgramState *
17183 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17185 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17186 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17192 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17194 char message[MSG_SIZ];
17197 /* Note: this routine must be called when the clocks are stopped
17198 or when they have *just* been set or switched; otherwise
17199 it will be off by the time since the current tick started.
17201 if (machineWhite) {
17202 time = whiteTimeRemaining / 10;
17203 otime = blackTimeRemaining / 10;
17205 time = blackTimeRemaining / 10;
17206 otime = whiteTimeRemaining / 10;
17208 /* [HGM] translate opponent's time by time-odds factor */
17209 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17211 if (time <= 0) time = 1;
17212 if (otime <= 0) otime = 1;
17214 snprintf(message, MSG_SIZ, "time %ld\n", time);
17215 SendToProgram(message, cps);
17217 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17218 SendToProgram(message, cps);
17222 EngineDefinedVariant (ChessProgramState *cps, int n)
17223 { // return name of n-th unknown variant that engine supports
17224 static char buf[MSG_SIZ];
17225 char *p, *s = cps->variants;
17226 if(!s) return NULL;
17227 do { // parse string from variants feature
17229 p = strchr(s, ',');
17230 if(p) *p = NULLCHAR;
17231 v = StringToVariant(s);
17232 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17233 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17234 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17235 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17236 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17237 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17238 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17241 if(n < 0) return buf;
17247 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17250 int len = strlen(name);
17253 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17255 sscanf(*p, "%d", &val);
17257 while (**p && **p != ' ')
17259 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17260 SendToProgram(buf, cps);
17267 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17270 int len = strlen(name);
17271 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17273 sscanf(*p, "%d", loc);
17274 while (**p && **p != ' ') (*p)++;
17275 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17276 SendToProgram(buf, cps);
17283 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17286 int len = strlen(name);
17287 if (strncmp((*p), name, len) == 0
17288 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17290 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
17291 FREE(*loc); *loc = malloc(len);
17292 strncpy(*loc, *p, len);
17293 sscanf(*p, "%[^\"]", *loc); // should always fit, because we allocated at least strlen(*p)
17294 while (**p && **p != '\"') (*p)++;
17295 if (**p == '\"') (*p)++;
17296 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17297 SendToProgram(buf, cps);
17304 ParseOption (Option *opt, ChessProgramState *cps)
17305 // [HGM] options: process the string that defines an engine option, and determine
17306 // name, type, default value, and allowed value range
17308 char *p, *q, buf[MSG_SIZ];
17309 int n, min = (-1)<<31, max = 1<<31, def;
17311 opt->target = &opt->value; // OK for spin/slider and checkbox
17312 if(p = strstr(opt->name, " -spin ")) {
17313 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17314 if(max < min) max = min; // enforce consistency
17315 if(def < min) def = min;
17316 if(def > max) def = max;
17321 } else if((p = strstr(opt->name, " -slider "))) {
17322 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17323 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17324 if(max < min) max = min; // enforce consistency
17325 if(def < min) def = min;
17326 if(def > max) def = max;
17330 opt->type = Spin; // Slider;
17331 } else if((p = strstr(opt->name, " -string "))) {
17332 opt->textValue = p+9;
17333 opt->type = TextBox;
17334 opt->target = &opt->textValue;
17335 } else if((p = strstr(opt->name, " -file "))) {
17336 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17337 opt->target = opt->textValue = p+7;
17338 opt->type = FileName; // FileName;
17339 opt->target = &opt->textValue;
17340 } else if((p = strstr(opt->name, " -path "))) {
17341 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17342 opt->target = opt->textValue = p+7;
17343 opt->type = PathName; // PathName;
17344 opt->target = &opt->textValue;
17345 } else if(p = strstr(opt->name, " -check ")) {
17346 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17347 opt->value = (def != 0);
17348 opt->type = CheckBox;
17349 } else if(p = strstr(opt->name, " -combo ")) {
17350 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17351 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17352 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17353 opt->value = n = 0;
17354 while(q = StrStr(q, " /// ")) {
17355 n++; *q = 0; // count choices, and null-terminate each of them
17357 if(*q == '*') { // remember default, which is marked with * prefix
17361 cps->comboList[cps->comboCnt++] = q;
17363 cps->comboList[cps->comboCnt++] = NULL;
17365 opt->type = ComboBox;
17366 } else if(p = strstr(opt->name, " -button")) {
17367 opt->type = Button;
17368 } else if(p = strstr(opt->name, " -save")) {
17369 opt->type = SaveButton;
17370 } else return FALSE;
17371 *p = 0; // terminate option name
17372 *(int*) (opt->name + MSG_SIZ - 104) = opt->value; // hide default values somewhere
17373 if(opt->target == &opt->textValue) strncpy(opt->name + MSG_SIZ - 100, opt->textValue, 99);
17374 // now look if the command-line options define a setting for this engine option.
17375 if(cps->optionSettings && cps->optionSettings[0])
17376 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17377 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17378 snprintf(buf, MSG_SIZ, "option %s", p);
17379 if(p = strstr(buf, ",")) *p = 0;
17380 if(q = strchr(buf, '=')) switch(opt->type) {
17382 for(n=0; n<opt->max; n++)
17383 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17388 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17392 opt->value = atoi(q+1);
17397 SendToProgram(buf, cps);
17403 FeatureDone (ChessProgramState *cps, int val)
17405 DelayedEventCallback cb = GetDelayedEvent();
17406 if ((cb == InitBackEnd3 && cps == &first) ||
17407 (cb == SettingsMenuIfReady && cps == &second) ||
17408 (cb == LoadEngine) || (cb == StartSecond) ||
17409 (cb == TwoMachinesEventIfReady)) {
17410 CancelDelayedEvent();
17411 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17412 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17413 cps->initDone = val;
17414 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17417 /* Parse feature command from engine */
17419 ParseFeatures (char *args, ChessProgramState *cps)
17427 while (*p == ' ') p++;
17428 if (*p == NULLCHAR) return;
17430 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17431 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17432 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17433 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17434 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17435 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17436 if (BoolFeature(&p, "reuse", &val, cps)) {
17437 /* Engine can disable reuse, but can't enable it if user said no */
17438 if (!val) cps->reuse = FALSE;
17441 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17442 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17443 if (gameMode == TwoMachinesPlay) {
17444 DisplayTwoMachinesTitle();
17450 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17451 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17452 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17453 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17454 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17455 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17456 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17457 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17458 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17459 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17460 if (IntFeature(&p, "done", &val, cps)) {
17461 FeatureDone(cps, val);
17464 /* Added by Tord: */
17465 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17466 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17467 /* End of additions by Tord */
17469 /* [HGM] added features: */
17470 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17471 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17472 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17473 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17474 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17475 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17476 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17477 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17478 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17479 if(cps->nrOptions == 0) { ASSIGN(cps->option[0].name, _("Make Persistent -save")); ParseOption(&(cps->option[cps->nrOptions++]), cps); }
17480 FREE(cps->option[cps->nrOptions].name);
17481 cps->option[cps->nrOptions].name = q; q = NULL;
17482 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17483 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17484 SendToProgram(buf, cps);
17487 if(cps->nrOptions >= MAX_OPTIONS) {
17489 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17490 DisplayError(buf, 0);
17494 /* End of additions by HGM */
17496 /* unknown feature: complain and skip */
17498 while (*q && *q != '=') q++;
17499 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17500 SendToProgram(buf, cps);
17506 while (*p && *p != '\"') p++;
17507 if (*p == '\"') p++;
17509 while (*p && *p != ' ') p++;
17517 PeriodicUpdatesEvent (int newState)
17519 if (newState == appData.periodicUpdates)
17522 appData.periodicUpdates=newState;
17524 /* Display type changes, so update it now */
17525 // DisplayAnalysis();
17527 /* Get the ball rolling again... */
17529 AnalysisPeriodicEvent(1);
17530 StartAnalysisClock();
17535 PonderNextMoveEvent (int newState)
17537 if (newState == appData.ponderNextMove) return;
17538 if (gameMode == EditPosition) EditPositionDone(TRUE);
17540 SendToProgram("hard\n", &first);
17541 if (gameMode == TwoMachinesPlay) {
17542 SendToProgram("hard\n", &second);
17545 SendToProgram("easy\n", &first);
17546 thinkOutput[0] = NULLCHAR;
17547 if (gameMode == TwoMachinesPlay) {
17548 SendToProgram("easy\n", &second);
17551 appData.ponderNextMove = newState;
17555 NewSettingEvent (int option, int *feature, char *command, int value)
17559 if (gameMode == EditPosition) EditPositionDone(TRUE);
17560 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17561 if(feature == NULL || *feature) SendToProgram(buf, &first);
17562 if (gameMode == TwoMachinesPlay) {
17563 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17568 ShowThinkingEvent ()
17569 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17571 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17572 int newState = appData.showThinking
17573 // [HGM] thinking: other features now need thinking output as well
17574 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17576 if (oldState == newState) return;
17577 oldState = newState;
17578 if (gameMode == EditPosition) EditPositionDone(TRUE);
17580 SendToProgram("post\n", &first);
17581 if (gameMode == TwoMachinesPlay) {
17582 SendToProgram("post\n", &second);
17585 SendToProgram("nopost\n", &first);
17586 thinkOutput[0] = NULLCHAR;
17587 if (gameMode == TwoMachinesPlay) {
17588 SendToProgram("nopost\n", &second);
17591 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17595 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17597 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17598 if (pr == NoProc) return;
17599 AskQuestion(title, question, replyPrefix, pr);
17603 TypeInEvent (char firstChar)
17605 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17606 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17607 gameMode == AnalyzeMode || gameMode == EditGame ||
17608 gameMode == EditPosition || gameMode == IcsExamining ||
17609 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17610 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17611 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17612 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17613 gameMode == Training) PopUpMoveDialog(firstChar);
17617 TypeInDoneEvent (char *move)
17620 int n, fromX, fromY, toX, toY;
17622 ChessMove moveType;
17625 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17626 EditPositionPasteFEN(move);
17629 // [HGM] movenum: allow move number to be typed in any mode
17630 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17634 // undocumented kludge: allow command-line option to be typed in!
17635 // (potentially fatal, and does not implement the effect of the option.)
17636 // should only be used for options that are values on which future decisions will be made,
17637 // and definitely not on options that would be used during initialization.
17638 if(strstr(move, "!!! -") == move) {
17639 ParseArgsFromString(move+4);
17643 if (gameMode != EditGame && currentMove != forwardMostMove &&
17644 gameMode != Training) {
17645 DisplayMoveError(_("Displayed move is not current"));
17647 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17648 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17649 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17650 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17651 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17652 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17654 DisplayMoveError(_("Could not parse move"));
17660 DisplayMove (int moveNumber)
17662 char message[MSG_SIZ];
17664 char cpThinkOutput[MSG_SIZ];
17666 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17668 if (moveNumber == forwardMostMove - 1 ||
17669 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17671 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17673 if (strchr(cpThinkOutput, '\n')) {
17674 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17677 *cpThinkOutput = NULLCHAR;
17680 /* [AS] Hide thinking from human user */
17681 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17682 *cpThinkOutput = NULLCHAR;
17683 if( thinkOutput[0] != NULLCHAR ) {
17686 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17687 cpThinkOutput[i] = '.';
17689 cpThinkOutput[i] = NULLCHAR;
17690 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17694 if (moveNumber == forwardMostMove - 1 &&
17695 gameInfo.resultDetails != NULL) {
17696 if (gameInfo.resultDetails[0] == NULLCHAR) {
17697 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17699 snprintf(res, MSG_SIZ, " {%s} %s",
17700 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17706 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17707 DisplayMessage(res, cpThinkOutput);
17709 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17710 WhiteOnMove(moveNumber) ? " " : ".. ",
17711 parseList[moveNumber], res);
17712 DisplayMessage(message, cpThinkOutput);
17717 DisplayComment (int moveNumber, char *text)
17719 char title[MSG_SIZ];
17721 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17722 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17724 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17725 WhiteOnMove(moveNumber) ? " " : ".. ",
17726 parseList[moveNumber]);
17728 if (text != NULL && (appData.autoDisplayComment || commentUp))
17729 CommentPopUp(title, text);
17732 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17733 * might be busy thinking or pondering. It can be omitted if your
17734 * gnuchess is configured to stop thinking immediately on any user
17735 * input. However, that gnuchess feature depends on the FIONREAD
17736 * ioctl, which does not work properly on some flavors of Unix.
17739 Attention (ChessProgramState *cps)
17742 if (!cps->useSigint) return;
17743 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17744 switch (gameMode) {
17745 case MachinePlaysWhite:
17746 case MachinePlaysBlack:
17747 case TwoMachinesPlay:
17748 case IcsPlayingWhite:
17749 case IcsPlayingBlack:
17752 /* Skip if we know it isn't thinking */
17753 if (!cps->maybeThinking) return;
17754 if (appData.debugMode)
17755 fprintf(debugFP, "Interrupting %s\n", cps->which);
17756 InterruptChildProcess(cps->pr);
17757 cps->maybeThinking = FALSE;
17762 #endif /*ATTENTION*/
17768 if (whiteTimeRemaining <= 0) {
17771 if (appData.icsActive) {
17772 if (appData.autoCallFlag &&
17773 gameMode == IcsPlayingBlack && !blackFlag) {
17774 SendToICS(ics_prefix);
17775 SendToICS("flag\n");
17779 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17781 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17782 if (appData.autoCallFlag) {
17783 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17790 if (blackTimeRemaining <= 0) {
17793 if (appData.icsActive) {
17794 if (appData.autoCallFlag &&
17795 gameMode == IcsPlayingWhite && !whiteFlag) {
17796 SendToICS(ics_prefix);
17797 SendToICS("flag\n");
17801 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17803 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17804 if (appData.autoCallFlag) {
17805 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17816 CheckTimeControl ()
17818 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17819 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17822 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17824 if ( !WhiteOnMove(forwardMostMove) ) {
17825 /* White made time control */
17826 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17827 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17828 /* [HGM] time odds: correct new time quota for time odds! */
17829 / WhitePlayer()->timeOdds;
17830 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17832 lastBlack -= blackTimeRemaining;
17833 /* Black made time control */
17834 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17835 / WhitePlayer()->other->timeOdds;
17836 lastWhite = whiteTimeRemaining;
17841 DisplayBothClocks ()
17843 int wom = gameMode == EditPosition ?
17844 !blackPlaysFirst : WhiteOnMove(currentMove);
17845 DisplayWhiteClock(whiteTimeRemaining, wom);
17846 DisplayBlackClock(blackTimeRemaining, !wom);
17850 /* Timekeeping seems to be a portability nightmare. I think everyone
17851 has ftime(), but I'm really not sure, so I'm including some ifdefs
17852 to use other calls if you don't. Clocks will be less accurate if
17853 you have neither ftime nor gettimeofday.
17856 /* VS 2008 requires the #include outside of the function */
17857 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17858 #include <sys/timeb.h>
17861 /* Get the current time as a TimeMark */
17863 GetTimeMark (TimeMark *tm)
17865 #if HAVE_GETTIMEOFDAY
17867 struct timeval timeVal;
17868 struct timezone timeZone;
17870 gettimeofday(&timeVal, &timeZone);
17871 tm->sec = (long) timeVal.tv_sec;
17872 tm->ms = (int) (timeVal.tv_usec / 1000L);
17874 #else /*!HAVE_GETTIMEOFDAY*/
17877 // include <sys/timeb.h> / moved to just above start of function
17878 struct timeb timeB;
17881 tm->sec = (long) timeB.time;
17882 tm->ms = (int) timeB.millitm;
17884 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17885 tm->sec = (long) time(NULL);
17891 /* Return the difference in milliseconds between two
17892 time marks. We assume the difference will fit in a long!
17895 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17897 return 1000L*(tm2->sec - tm1->sec) +
17898 (long) (tm2->ms - tm1->ms);
17903 * Code to manage the game clocks.
17905 * In tournament play, black starts the clock and then white makes a move.
17906 * We give the human user a slight advantage if he is playing white---the
17907 * clocks don't run until he makes his first move, so it takes zero time.
17908 * Also, we don't account for network lag, so we could get out of sync
17909 * with GNU Chess's clock -- but then, referees are always right.
17912 static TimeMark tickStartTM;
17913 static long intendedTickLength;
17916 NextTickLength (long timeRemaining)
17918 long nominalTickLength, nextTickLength;
17920 if (timeRemaining > 0L && timeRemaining <= 10000L)
17921 nominalTickLength = 100L;
17923 nominalTickLength = 1000L;
17924 nextTickLength = timeRemaining % nominalTickLength;
17925 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17927 return nextTickLength;
17930 /* Adjust clock one minute up or down */
17932 AdjustClock (Boolean which, int dir)
17934 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17935 if(which) blackTimeRemaining += 60000*dir;
17936 else whiteTimeRemaining += 60000*dir;
17937 DisplayBothClocks();
17938 adjustedClock = TRUE;
17941 /* Stop clocks and reset to a fresh time control */
17945 (void) StopClockTimer();
17946 if (appData.icsActive) {
17947 whiteTimeRemaining = blackTimeRemaining = 0;
17948 } else if (searchTime) {
17949 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17950 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17951 } else { /* [HGM] correct new time quote for time odds */
17952 whiteTC = blackTC = fullTimeControlString;
17953 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17954 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17956 if (whiteFlag || blackFlag) {
17958 whiteFlag = blackFlag = FALSE;
17960 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17961 DisplayBothClocks();
17962 adjustedClock = FALSE;
17965 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17967 static int timeSuffix; // [HGM] This should realy be a passed parameter, but it has to pass through too many levels for my laziness...
17969 /* Decrement running clock by amount of time that has passed */
17974 long lastTickLength, fudge;
17977 if (!appData.clockMode) return;
17978 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17982 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17984 /* Fudge if we woke up a little too soon */
17985 fudge = intendedTickLength - lastTickLength;
17986 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17988 if (WhiteOnMove(forwardMostMove)) {
17989 if(whiteNPS >= 0) lastTickLength = 0;
17990 tRemaining = whiteTimeRemaining -= lastTickLength;
17991 if( tRemaining < 0 && !appData.icsActive) {
17992 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17993 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17994 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17995 lastWhite= tRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17998 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[0][forwardMostMove-1] - tRemaining;
17999 DisplayWhiteClock(whiteTimeRemaining - fudge,
18000 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
18003 if(blackNPS >= 0) lastTickLength = 0;
18004 tRemaining = blackTimeRemaining -= lastTickLength;
18005 if( tRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
18006 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
18008 blackStartMove = forwardMostMove;
18009 lastBlack = tRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
18012 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[1][forwardMostMove-1] - tRemaining;
18013 DisplayBlackClock(blackTimeRemaining - fudge,
18014 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
18017 if (CheckFlags()) return;
18019 if(twoBoards) { // count down secondary board's clocks as well
18020 activePartnerTime -= lastTickLength;
18022 if(activePartner == 'W')
18023 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
18025 DisplayBlackClock(activePartnerTime, TRUE);
18030 intendedTickLength = NextTickLength( tRemaining - fudge) + fudge;
18031 StartClockTimer(intendedTickLength);
18033 /* if the time remaining has fallen below the alarm threshold, sound the
18034 * alarm. if the alarm has sounded and (due to a takeback or time control
18035 * with increment) the time remaining has increased to a level above the
18036 * threshold, reset the alarm so it can sound again.
18039 if (appData.icsActive && appData.icsAlarm) {
18041 /* make sure we are dealing with the user's clock */
18042 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
18043 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
18046 if (alarmSounded && ( tRemaining > appData.icsAlarmTime)) {
18047 alarmSounded = FALSE;
18048 } else if (!alarmSounded && ( tRemaining <= appData.icsAlarmTime)) {
18050 alarmSounded = TRUE;
18056 /* A player has just moved, so stop the previously running
18057 clock and (if in clock mode) start the other one.
18058 We redisplay both clocks in case we're in ICS mode, because
18059 ICS gives us an update to both clocks after every move.
18060 Note that this routine is called *after* forwardMostMove
18061 is updated, so the last fractional tick must be subtracted
18062 from the color that is *not* on move now.
18065 SwitchClocks (int newMoveNr)
18067 long lastTickLength;
18069 int flagged = FALSE;
18073 if (StopClockTimer() && appData.clockMode) {
18074 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18075 if (!WhiteOnMove(forwardMostMove)) {
18076 if(blackNPS >= 0) lastTickLength = 0;
18077 blackTimeRemaining -= lastTickLength;
18078 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
18079 // if(pvInfoList[forwardMostMove].time == -1)
18080 pvInfoList[forwardMostMove].time = // use GUI time
18081 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
18083 if(whiteNPS >= 0) lastTickLength = 0;
18084 whiteTimeRemaining -= lastTickLength;
18085 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
18086 // if(pvInfoList[forwardMostMove].time == -1)
18087 pvInfoList[forwardMostMove].time =
18088 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
18090 flagged = CheckFlags();
18092 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
18093 CheckTimeControl();
18095 if (flagged || !appData.clockMode) return;
18097 switch (gameMode) {
18098 case MachinePlaysBlack:
18099 case MachinePlaysWhite:
18100 case BeginningOfGame:
18101 if (pausing) return;
18105 case PlayFromGameFile:
18113 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
18114 if(WhiteOnMove(forwardMostMove))
18115 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
18116 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
18120 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18121 whiteTimeRemaining : blackTimeRemaining);
18122 StartClockTimer(intendedTickLength);
18126 /* Stop both clocks */
18130 long lastTickLength;
18133 if (!StopClockTimer()) return;
18134 if (!appData.clockMode) return;
18138 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18139 if (WhiteOnMove(forwardMostMove)) {
18140 if(whiteNPS >= 0) lastTickLength = 0;
18141 whiteTimeRemaining -= lastTickLength;
18142 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
18144 if(blackNPS >= 0) lastTickLength = 0;
18145 blackTimeRemaining -= lastTickLength;
18146 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
18151 /* Start clock of player on move. Time may have been reset, so
18152 if clock is already running, stop and restart it. */
18156 (void) StopClockTimer(); /* in case it was running already */
18157 DisplayBothClocks();
18158 if (CheckFlags()) return;
18160 if (!appData.clockMode) return;
18161 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18163 GetTimeMark(&tickStartTM);
18164 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18165 whiteTimeRemaining : blackTimeRemaining);
18167 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18168 whiteNPS = blackNPS = -1;
18169 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18170 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18171 whiteNPS = first.nps;
18172 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18173 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18174 blackNPS = first.nps;
18175 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18176 whiteNPS = second.nps;
18177 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18178 blackNPS = second.nps;
18179 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18181 StartClockTimer(intendedTickLength);
18185 TimeString (long ms)
18187 long second, minute, hour, day;
18189 static char buf[40], moveTime[8];
18191 if (ms > 0 && ms <= 9900) {
18192 /* convert milliseconds to tenths, rounding up */
18193 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18195 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18199 /* convert milliseconds to seconds, rounding up */
18200 /* use floating point to avoid strangeness of integer division
18201 with negative dividends on many machines */
18202 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18209 day = second / (60 * 60 * 24);
18210 second = second % (60 * 60 * 24);
18211 hour = second / (60 * 60);
18212 second = second % (60 * 60);
18213 minute = second / 60;
18214 second = second % 60;
18216 if(timeSuffix) snprintf(moveTime, 8, " (%d)", timeSuffix/1000); // [HGM] kludge alert; fraction contains move time
18217 else *moveTime = NULLCHAR;
18220 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld%s ",
18221 sign, day, hour, minute, second, moveTime);
18223 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld%s ", sign, hour, minute, second, moveTime);
18225 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld%s ", sign, minute, second, moveTime);
18232 * This is necessary because some C libraries aren't ANSI C compliant yet.
18235 StrStr (char *string, char *match)
18239 length = strlen(match);
18241 for (i = strlen(string) - length; i >= 0; i--, string++)
18242 if (!strncmp(match, string, length))
18249 StrCaseStr (char *string, char *match)
18253 length = strlen(match);
18255 for (i = strlen(string) - length; i >= 0; i--, string++) {
18256 for (j = 0; j < length; j++) {
18257 if (ToLower(match[j]) != ToLower(string[j]))
18260 if (j == length) return string;
18268 StrCaseCmp (char *s1, char *s2)
18273 c1 = ToLower(*s1++);
18274 c2 = ToLower(*s2++);
18275 if (c1 > c2) return 1;
18276 if (c1 < c2) return -1;
18277 if (c1 == NULLCHAR) return 0;
18285 return isupper(c) ? tolower(c) : c;
18292 return islower(c) ? toupper(c) : c;
18294 #endif /* !_amigados */
18301 if ((ret = (char *) malloc(strlen(s) + 1)))
18303 safeStrCpy(ret, s, strlen(s)+1);
18309 StrSavePtr (char *s, char **savePtr)
18314 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18315 safeStrCpy(*savePtr, s, strlen(s)+1);
18327 clock = time((time_t *)NULL);
18328 tm = localtime(&clock);
18329 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18330 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18331 return StrSave(buf);
18336 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18338 int i, j, fromX, fromY, toX, toY;
18339 int whiteToPlay, haveRights = nrCastlingRights;
18345 whiteToPlay = (gameMode == EditPosition) ?
18346 !blackPlaysFirst : (move % 2 == 0);
18349 /* Piece placement data */
18350 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18351 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18353 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18354 if (boards[move][i][j] == EmptySquare) {
18356 } else { ChessSquare piece = boards[move][i][j];
18357 if (emptycount > 0) {
18358 if(emptycount<10) /* [HGM] can be >= 10 */
18359 *p++ = '0' + emptycount;
18360 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18363 if(PieceToChar(piece) == '+') {
18364 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18366 piece = (ChessSquare)(CHUDEMOTED(piece));
18368 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18369 if(*p = PieceSuffix(piece)) p++;
18371 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18372 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18377 if (emptycount > 0) {
18378 if(emptycount<10) /* [HGM] can be >= 10 */
18379 *p++ = '0' + emptycount;
18380 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18387 /* [HGM] print Crazyhouse or Shogi holdings */
18388 if( gameInfo.holdingsWidth ) {
18389 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18391 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18392 piece = boards[move][i][BOARD_WIDTH-1];
18393 if( piece != EmptySquare )
18394 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18395 *p++ = PieceToChar(piece);
18397 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18398 piece = boards[move][handSize-i-1][0];
18399 if( piece != EmptySquare )
18400 for(j=0; j<(int) boards[move][handSize-i-1][1]; j++)
18401 *p++ = PieceToChar(piece);
18404 if( q == p ) *p++ = '-';
18410 *p++ = whiteToPlay ? 'w' : 'b';
18413 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18414 haveRights = 0; q = p;
18415 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18416 piece = boards[move][0][i];
18417 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18418 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18421 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18422 piece = boards[move][BOARD_HEIGHT-1][i];
18423 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18424 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18427 if(p == q) *p++ = '-';
18431 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18434 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18437 int handW=0, handB=0;
18438 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18439 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18440 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18443 if(appData.fischerCastling) {
18444 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18445 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18446 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18448 /* [HGM] write directly from rights */
18449 if(boards[move][CASTLING][2] != NoRights &&
18450 boards[move][CASTLING][0] != NoRights )
18451 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18452 if(boards[move][CASTLING][2] != NoRights &&
18453 boards[move][CASTLING][1] != NoRights )
18454 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18457 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18458 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18460 if(boards[move][CASTLING][5] != NoRights &&
18461 boards[move][CASTLING][3] != NoRights )
18462 *p++ = boards[move][CASTLING][3] + AAA;
18463 if(boards[move][CASTLING][5] != NoRights &&
18464 boards[move][CASTLING][4] != NoRights )
18465 *p++ = boards[move][CASTLING][4] + AAA;
18469 /* [HGM] write true castling rights */
18470 if( nrCastlingRights == 6 ) {
18472 if(boards[move][CASTLING][0] != NoRights &&
18473 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18474 q = (boards[move][CASTLING][1] != NoRights &&
18475 boards[move][CASTLING][2] != NoRights );
18476 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18477 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18478 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18479 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18483 if(boards[move][CASTLING][3] != NoRights &&
18484 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18485 q = (boards[move][CASTLING][4] != NoRights &&
18486 boards[move][CASTLING][5] != NoRights );
18488 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18489 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18490 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18495 if (q == p) *p++ = '-'; /* No castling rights */
18499 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18500 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18501 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18502 /* En passant target square */
18503 if (move > backwardMostMove) {
18504 fromX = moveList[move - 1][0] - AAA;
18505 fromY = moveList[move - 1][1] - ONE;
18506 toX = moveList[move - 1][2] - AAA;
18507 toY = moveList[move - 1][3] - ONE;
18508 if ((whiteToPlay ? toY < fromY - 1 : toY > fromY + 1) &&
18509 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) ) {
18510 /* 2-square pawn move just happened */
18511 *p++ = (3*toX + 5*fromX + 4)/8 + AAA;
18512 *p++ = (3*toY + 5*fromY + 4)/8 + ONE;
18513 if(gameInfo.variant == VariantBerolina) {
18520 } else if(move == backwardMostMove) {
18521 // [HGM] perhaps we should always do it like this, and forget the above?
18522 if((signed char)boards[move][EP_STATUS] >= 0) {
18523 *p++ = boards[move][EP_STATUS] + AAA;
18524 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18535 i = boards[move][CHECK_COUNT];
18537 sprintf(p, "%d+%d ", i&255, i>>8);
18542 { int i = 0, j=move;
18544 /* [HGM] find reversible plies */
18545 if (appData.debugMode) { int k;
18546 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18547 for(k=backwardMostMove; k<=forwardMostMove; k++)
18548 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18552 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18553 if( j == backwardMostMove ) i += initialRulePlies;
18554 sprintf(p, "%d ", i);
18555 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18557 /* Fullmove number */
18558 sprintf(p, "%d", (move / 2) + 1);
18559 } else *--p = NULLCHAR;
18561 return StrSave(buf);
18565 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18567 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18569 int emptycount, virgin[BOARD_FILES];
18570 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18574 for(i=1; i<=deadRanks; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) board[BOARD_HEIGHT-i][j] = DarkSquare;
18576 /* Piece placement data */
18577 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18580 if (*p == '/' || *p == ' ' || *p == '[' ) {
18582 emptycount = gameInfo.boardWidth - j;
18583 while (emptycount--)
18584 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18585 if (*p == '/') p++;
18586 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18587 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18588 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18590 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18593 #if(BOARD_FILES >= 10)*0
18594 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18595 p++; emptycount=10;
18596 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18597 while (emptycount--)
18598 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18600 } else if (*p == '*') {
18601 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18602 } else if (isdigit(*p)) {
18603 emptycount = *p++ - '0';
18604 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18605 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18606 while (emptycount--)
18607 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18608 } else if (*p == '<') {
18609 if(i == BOARD_HEIGHT-1) shuffle = 1;
18610 else if (i != 0 || !shuffle) return FALSE;
18612 } else if (shuffle && *p == '>') {
18613 p++; // for now ignore closing shuffle range, and assume rank-end
18614 } else if (*p == '?') {
18615 if (j >= gameInfo.boardWidth) return FALSE;
18616 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18617 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18618 } else if (*p == '+' || isalpha(*p)) {
18619 char *q, *s = SUFFIXES;
18620 if (j >= gameInfo.boardWidth) return FALSE;
18623 if(q = strchr(s, p[1])) p++;
18624 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18625 if(piece == EmptySquare) return FALSE; /* unknown piece */
18626 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18627 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18630 if(q = strchr(s, *p)) p++;
18631 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18634 if(piece==EmptySquare) return FALSE; /* unknown piece */
18635 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18636 piece = (ChessSquare) (PROMOTED(piece));
18637 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18640 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18641 if(piece == king) wKingRank = i;
18642 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18648 while (*p == '/' || *p == ' ') p++;
18650 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18652 /* [HGM] by default clear Crazyhouse holdings, if present */
18653 if(gameInfo.holdingsWidth) {
18654 for(i=0; i<handSize; i++) {
18655 board[i][0] = EmptySquare; /* black holdings */
18656 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18657 board[i][1] = (ChessSquare) 0; /* black counts */
18658 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18662 /* [HGM] look for Crazyhouse holdings here */
18663 while(*p==' ') p++;
18664 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18665 int swap=0, wcnt=0, bcnt=0;
18667 if(*p == '<') swap++, p++;
18668 if(*p == '-' ) p++; /* empty holdings */ else {
18669 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18670 /* if we would allow FEN reading to set board size, we would */
18671 /* have to add holdings and shift the board read so far here */
18672 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18674 if((int) piece >= (int) BlackPawn ) {
18675 i = (int)piece - (int)BlackPawn;
18676 i = PieceToNumber((ChessSquare)i);
18677 if( i >= gameInfo.holdingsSize ) return FALSE;
18678 board[handSize-1-i][0] = piece; /* black holdings */
18679 board[handSize-1-i][1]++; /* black counts */
18682 i = (int)piece - (int)WhitePawn;
18683 i = PieceToNumber((ChessSquare)i);
18684 if( i >= gameInfo.holdingsSize ) return FALSE;
18685 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18686 board[i][BOARD_WIDTH-2]++; /* black holdings */
18690 if(subst) { // substitute back-rank question marks by holdings pieces
18691 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18692 int k, m, n = bcnt + 1;
18693 if(board[0][j] == ClearBoard) {
18694 if(!wcnt) return FALSE;
18696 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18697 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18698 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18702 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18703 if(!bcnt) return FALSE;
18704 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18705 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[handSize-1-k][1]) < 0) {
18706 board[BOARD_HEIGHT-1][j] = board[handSize-1-k][0]; bcnt--;
18707 if(--board[handSize-1-k][1] == 0) board[handSize-1-k][0] = EmptySquare;
18718 if(subst) return FALSE; // substitution requested, but no holdings
18720 while(*p == ' ') p++;
18724 if(appData.colorNickNames) {
18725 if( c == appData.colorNickNames[0] ) c = 'w'; else
18726 if( c == appData.colorNickNames[1] ) c = 'b';
18730 *blackPlaysFirst = FALSE;
18733 *blackPlaysFirst = TRUE;
18739 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18740 /* return the extra info in global variiables */
18742 while(*p==' ') p++;
18744 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18745 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18746 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18749 /* set defaults in case FEN is incomplete */
18750 board[EP_STATUS] = EP_UNKNOWN;
18751 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18752 for(i=0; i<nrCastlingRights; i++ ) {
18753 board[CASTLING][i] =
18754 appData.fischerCastling ? NoRights : initialRights[i];
18755 } /* assume possible unless obviously impossible */
18756 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18757 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18758 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18759 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18760 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18761 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18762 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18763 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18766 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18769 while(isalpha(*p)) {
18770 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18771 if(islower(*p)) b |= 1 << (*p++ - 'a');
18775 board[TOUCHED_W] = ~w;
18776 board[TOUCHED_B] = ~b;
18777 while(*p == ' ') p++;
18781 if(nrCastlingRights) {
18783 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18784 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18785 /* castling indicator present, so default becomes no castlings */
18786 for(i=0; i<nrCastlingRights; i++ ) {
18787 board[CASTLING][i] = NoRights;
18790 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18791 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18792 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18793 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18794 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18796 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18797 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18798 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18800 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18801 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18802 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18803 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18804 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18805 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18808 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18809 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18810 board[CASTLING][2] = whiteKingFile;
18811 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18812 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18813 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18816 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18817 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18818 board[CASTLING][2] = whiteKingFile;
18819 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18820 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18821 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18824 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18825 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18826 board[CASTLING][5] = blackKingFile;
18827 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18828 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18829 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18832 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18833 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18834 board[CASTLING][5] = blackKingFile;
18835 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18836 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18837 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18840 default: /* FRC castlings */
18841 if(c >= 'a') { /* black rights */
18842 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18843 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18844 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18845 if(i == BOARD_RGHT) break;
18846 board[CASTLING][5] = i;
18848 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18849 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18851 board[CASTLING][3] = c;
18853 board[CASTLING][4] = c;
18854 } else { /* white rights */
18855 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18856 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18857 if(board[0][i] == WhiteKing) break;
18858 if(i == BOARD_RGHT) break;
18859 board[CASTLING][2] = i;
18860 c -= AAA - 'a' + 'A';
18861 if(board[0][c] >= WhiteKing) break;
18863 board[CASTLING][0] = c;
18865 board[CASTLING][1] = c;
18869 for(i=0; i<nrCastlingRights; i++)
18870 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18871 if(gameInfo.variant == VariantSChess)
18872 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18873 if(fischer && shuffle) appData.fischerCastling = TRUE;
18874 if (appData.debugMode) {
18875 fprintf(debugFP, "FEN castling rights:");
18876 for(i=0; i<nrCastlingRights; i++)
18877 fprintf(debugFP, " %d", board[CASTLING][i]);
18878 fprintf(debugFP, "\n");
18881 while(*p==' ') p++;
18884 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18886 /* read e.p. field in games that know e.p. capture */
18887 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18888 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18889 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18891 p++; board[EP_STATUS] = EP_NONE;
18893 int d, r, c = *p - AAA;
18895 if(c >= BOARD_LEFT && c < BOARD_RGHT) {
18897 board[EP_STATUS] = board[EP_FILE] = c; r = 0;
18898 if(*p >= '0' && *p <='9') r = board[EP_RANK] = *p++ - ONE;
18899 d = (r < BOARD_HEIGHT << 1 ? 1 : -1); // assume double-push (P next to e.p. square nearer center)
18900 if(board[r+d][c] == EmptySquare) d *= 2; // but if no Pawn there, triple push
18901 board[LAST_TO] = 256*(r + d) + c;
18903 if(c >= BOARD_LEFT && c < BOARD_RGHT) { // mover explicitly mentioned
18904 if(*p >= '0' && *p <='9') r = board[EP_RANK] = *p++ - ONE;
18905 board[LAST_TO] = 256*r + c;
18906 if(!(board[EP_RANK]-r & 1)) board[EP_RANK] |= 128;
18912 while(*p == ' ') p++;
18914 board[CHECK_COUNT] = 0; // [HGM] 3check: check-count field
18915 if(sscanf(p, "%d+%d", &i, &j) == 2) {
18916 board[CHECK_COUNT] = i + 256*j;
18917 while(*p && *p != ' ') p++;
18920 c = sscanf(p, "%d%*d +%d+%d", &i, &j, &k);
18922 FENrulePlies = i; /* 50-move ply counter */
18923 /* (The move number is still ignored) */
18924 if(c == 3 && !board[CHECK_COUNT]) board[CHECK_COUNT] = (3 - j) + 256*(3 - k); // SCIDB-style check count
18931 EditPositionPasteFEN (char *fen)
18934 Board initial_position;
18936 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18937 DisplayError(_("Bad FEN position in clipboard"), 0);
18940 int savedBlackPlaysFirst = blackPlaysFirst;
18941 EditPositionEvent();
18942 blackPlaysFirst = savedBlackPlaysFirst;
18943 CopyBoard(boards[0], initial_position);
18944 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18945 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18946 DisplayBothClocks();
18947 DrawPosition(FALSE, boards[currentMove]);
18952 static char cseq[12] = "\\ ";
18955 set_cont_sequence (char *new_seq)
18960 // handle bad attempts to set the sequence
18962 return 0; // acceptable error - no debug
18964 len = strlen(new_seq);
18965 ret = (len > 0) && (len < sizeof(cseq));
18967 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18968 else if (appData.debugMode)
18969 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18974 reformat a source message so words don't cross the width boundary. internal
18975 newlines are not removed. returns the wrapped size (no null character unless
18976 included in source message). If dest is NULL, only calculate the size required
18977 for the dest buffer. lp argument indicats line position upon entry, and it's
18978 passed back upon exit.
18981 wrap (char *dest, char *src, int count, int width, int *lp)
18983 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18985 cseq_len = strlen(cseq);
18986 old_line = line = *lp;
18987 ansi = len = clen = 0;
18989 for (i=0; i < count; i++)
18991 if (src[i] == '\033')
18994 // if we hit the width, back up
18995 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18997 // store i & len in case the word is too long
18998 old_i = i, old_len = len;
19000 // find the end of the last word
19001 while (i && src[i] != ' ' && src[i] != '\n')
19007 // word too long? restore i & len before splitting it
19008 if ((old_i-i+clen) >= width)
19015 if (i && src[i-1] == ' ')
19018 if (src[i] != ' ' && src[i] != '\n')
19025 // now append the newline and continuation sequence
19030 strncpy(dest+len, cseq, cseq_len);
19038 dest[len] = src[i];
19042 if (src[i] == '\n')
19047 if (dest && appData.debugMode)
19049 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
19050 count, width, line, len, *lp);
19051 show_bytes(debugFP, src, count);
19052 fprintf(debugFP, "\ndest: ");
19053 show_bytes(debugFP, dest, len);
19054 fprintf(debugFP, "\n");
19056 *lp = dest ? line : old_line;
19061 // [HGM] vari: routines for shelving variations
19062 Boolean modeRestore = FALSE;
19065 PushInner (int firstMove, int lastMove)
19067 int i, j, nrMoves = lastMove - firstMove;
19069 // push current tail of game on stack
19070 savedResult[storedGames] = gameInfo.result;
19071 savedDetails[storedGames] = gameInfo.resultDetails;
19072 gameInfo.resultDetails = NULL;
19073 savedFirst[storedGames] = firstMove;
19074 savedLast [storedGames] = lastMove;
19075 savedFramePtr[storedGames] = framePtr;
19076 framePtr -= nrMoves; // reserve space for the boards
19077 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
19078 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
19079 for(j=0; j<MOVE_LEN; j++)
19080 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
19081 for(j=0; j<2*MOVE_LEN; j++)
19082 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
19083 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
19084 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
19085 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
19086 pvInfoList[firstMove+i-1].depth = 0;
19087 commentList[framePtr+i] = commentList[firstMove+i];
19088 commentList[firstMove+i] = NULL;
19092 forwardMostMove = firstMove; // truncate game so we can start variation
19096 PushTail (int firstMove, int lastMove)
19098 if(appData.icsActive) { // only in local mode
19099 forwardMostMove = currentMove; // mimic old ICS behavior
19102 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
19104 PushInner(firstMove, lastMove);
19105 if(storedGames == 1) GreyRevert(FALSE);
19106 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
19110 PopInner (Boolean annotate)
19113 char buf[8000], moveBuf[20];
19115 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
19116 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
19117 nrMoves = savedLast[storedGames] - currentMove;
19120 if(!WhiteOnMove(currentMove))
19121 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
19122 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
19123 for(i=currentMove; i<forwardMostMove; i++) {
19125 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
19126 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
19127 strcat(buf, moveBuf);
19128 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
19129 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
19133 for(i=1; i<=nrMoves; i++) { // copy last variation back
19134 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
19135 for(j=0; j<MOVE_LEN; j++)
19136 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
19137 for(j=0; j<2*MOVE_LEN; j++)
19138 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
19139 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
19140 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
19141 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
19142 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
19143 commentList[currentMove+i] = commentList[framePtr+i];
19144 commentList[framePtr+i] = NULL;
19146 if(annotate) AppendComment(currentMove+1, buf, FALSE);
19147 framePtr = savedFramePtr[storedGames];
19148 gameInfo.result = savedResult[storedGames];
19149 if(gameInfo.resultDetails != NULL) {
19150 free(gameInfo.resultDetails);
19152 gameInfo.resultDetails = savedDetails[storedGames];
19153 forwardMostMove = currentMove + nrMoves;
19157 PopTail (Boolean annotate)
19159 if(appData.icsActive) return FALSE; // only in local mode
19160 if(!storedGames) return FALSE; // sanity
19161 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
19163 PopInner(annotate);
19164 if(currentMove < forwardMostMove) ForwardEvent(); else
19165 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
19167 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
19173 { // remove all shelved variations
19175 for(i=0; i<storedGames; i++) {
19176 if(savedDetails[i])
19177 free(savedDetails[i]);
19178 savedDetails[i] = NULL;
19180 for(i=framePtr; i<MAX_MOVES; i++) {
19181 if(commentList[i]) free(commentList[i]);
19182 commentList[i] = NULL;
19184 framePtr = MAX_MOVES-1;
19189 LoadVariation (int index, char *text)
19190 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
19191 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
19192 int level = 0, move;
19194 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19195 // first find outermost bracketing variation
19196 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19197 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19198 if(*p == '{') wait = '}'; else
19199 if(*p == '[') wait = ']'; else
19200 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19201 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19203 if(*p == wait) wait = NULLCHAR; // closing ]} found
19206 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19207 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19208 end[1] = NULLCHAR; // clip off comment beyond variation
19209 ToNrEvent(currentMove-1);
19210 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19211 // kludge: use ParsePV() to append variation to game
19212 move = currentMove;
19213 ParsePV(start, TRUE, TRUE);
19214 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19215 ClearPremoveHighlights();
19217 ToNrEvent(currentMove+1);
19220 int transparency[2];
19225 #define BUF_SIZ (2*MSG_SIZ)
19226 char *p, *q, buf[BUF_SIZ];
19227 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19228 snprintf(buf, BUF_SIZ, "-theme %s", engineLine);
19229 ParseArgsFromString(buf);
19230 ActivateTheme(TRUE); // also redo colors
19234 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19237 q = appData.themeNames;
19238 snprintf(buf, BUF_SIZ, "\"%s\"", nickName);
19239 if(appData.useBitmaps) {
19240 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt true -lbtf \"%s\"",
19241 Shorten(appData.liteBackTextureFile));
19242 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dbtf \"%s\" -lbtm %d -dbtm %d",
19243 Shorten(appData.darkBackTextureFile),
19244 appData.liteBackTextureMode,
19245 appData.darkBackTextureMode );
19247 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt false");
19249 if(!appData.useBitmaps || transparency[0]) {
19250 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -lsc %s", Col2Text(2) ); // lightSquareColor
19252 if(!appData.useBitmaps || transparency[1]) {
19253 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dsc %s", Col2Text(3) ); // darkSquareColor
19255 if(appData.useBorder) {
19256 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub true -border \"%s\"",
19259 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub false");
19261 if(appData.useFont) {
19262 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19263 appData.renderPiecesWithFont,
19264 appData.fontToPieceTable,
19265 Col2Text(9), // appData.fontBackColorWhite
19266 Col2Text(10) ); // appData.fontForeColorBlack
19268 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf false");
19269 if(appData.pieceDirectory[0]) {
19270 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -pid \"%s\"", Shorten(appData.pieceDirectory));
19271 if(appData.trueColors != 2) // 2 is a kludge to suppress this in WinBoard
19272 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -trueColors %s", appData.trueColors ? "true" : "false");
19274 if(!appData.pieceDirectory[0] || !appData.trueColors)
19275 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -wpc %s -bpc %s",
19276 Col2Text(0), // whitePieceColor
19277 Col2Text(1) ); // blackPieceColor
19279 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19280 Col2Text(4), // highlightSquareColor
19281 Col2Text(5) ); // premoveHighlightColor
19282 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19283 if(insert != q) insert[-1] = NULLCHAR;
19284 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19287 ActivateTheme(FALSE);