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 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
60 int flock(int f, int code);
67 #define DoSleep( n ) if( (n) >= 0) sleep(n)
78 #include <sys/types.h>
87 #else /* not STDC_HEADERS */
90 # else /* not HAVE_STRING_H */
92 # endif /* not HAVE_STRING_H */
93 #endif /* not STDC_HEADERS */
96 # include <sys/fcntl.h>
97 #else /* not HAVE_SYS_FCNTL_H */
100 # endif /* HAVE_FCNTL_H */
101 #endif /* not HAVE_SYS_FCNTL_H */
103 #if TIME_WITH_SYS_TIME
104 # include <sys/time.h>
108 # include <sys/time.h>
114 #if defined(_amigados) && !defined(__GNUC__)
119 extern int gettimeofday(struct timeval *, struct timezone *);
127 #include "frontend.h"
134 #include "backendz.h"
138 # define _(s) gettext (s)
139 # define N_(s) gettext_noop (s)
140 # define T_(s) gettext(s)
153 /* A point in time */
155 long sec; /* Assuming this is >= 32 bits */
156 int ms; /* Assuming this is >= 16 bits */
159 int establish P((void));
160 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
161 char *buf, int count, int error));
162 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
163 char *buf, int count, int error));
164 void ics_printf P((char *format, ...));
165 void SendToICS P((char *s));
166 void SendToICSDelayed P((char *s, long msdelay));
167 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
168 void HandleMachineMove P((char *message, ChessProgramState *cps));
169 int AutoPlayOneMove P((void));
170 int LoadGameOneMove P((ChessMove readAhead));
171 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
172 int LoadPositionFromFile P((char *filename, int n, char *title));
173 int SavePositionToFile P((char *filename));
174 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
176 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
177 void ShowMove P((int fromX, int fromY, int toX, int toY));
178 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
179 /*char*/int promoChar));
180 void BackwardInner P((int target));
181 void ForwardInner P((int target));
182 int Adjudicate P((ChessProgramState *cps));
183 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
184 void EditPositionDone P((Boolean fakeRights));
185 void PrintOpponents P((FILE *fp));
186 void PrintPosition P((FILE *fp, int move));
187 void StartChessProgram P((ChessProgramState *cps));
188 void SendToProgram P((char *message, ChessProgramState *cps));
189 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
190 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
191 char *buf, int count, int error));
192 void SendTimeControl P((ChessProgramState *cps,
193 int mps, long tc, int inc, int sd, int st));
194 char *TimeControlTagValue P((void));
195 void Attention P((ChessProgramState *cps));
196 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
197 int ResurrectChessProgram P((void));
198 void DisplayComment P((int moveNumber, char *text));
199 void DisplayMove P((int moveNumber));
201 void ParseGameHistory P((char *game));
202 void ParseBoard12 P((char *string));
203 void KeepAlive P((void));
204 void StartClocks P((void));
205 void SwitchClocks P((int nr));
206 void StopClocks P((void));
207 void ResetClocks P((void));
208 char *PGNDate P((void));
209 void SetGameInfo P((void));
210 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
211 int RegisterMove P((void));
212 void MakeRegisteredMove P((void));
213 void TruncateGame P((void));
214 int looking_at P((char *, int *, char *));
215 void CopyPlayerNameIntoFileName P((char **, char *));
216 char *SavePart P((char *));
217 int SaveGameOldStyle P((FILE *));
218 int SaveGamePGN P((FILE *));
219 void GetTimeMark P((TimeMark *));
220 long SubtractTimeMarks P((TimeMark *, TimeMark *));
221 int CheckFlags P((void));
222 long NextTickLength P((long));
223 void CheckTimeControl P((void));
224 void show_bytes P((FILE *, char *, int));
225 int string_to_rating P((char *str));
226 void ParseFeatures P((char* args, ChessProgramState *cps));
227 void InitBackEnd3 P((void));
228 void FeatureDone P((ChessProgramState* cps, int val));
229 void InitChessProgram P((ChessProgramState *cps, int setup));
230 void OutputKibitz(int window, char *text);
231 int PerpetualChase(int first, int last);
232 int EngineOutputIsUp();
233 void InitDrawingSizes(int x, int y);
234 void NextMatchGame P((void));
235 int NextTourneyGame P((int nr, int *swap));
236 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
237 FILE *WriteTourneyFile P((char *results, FILE *f));
238 void DisplayTwoMachinesTitle P(());
241 extern void ConsoleCreate();
244 ChessProgramState *WhitePlayer();
245 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
246 int VerifyDisplayMode P(());
248 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
249 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
250 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
251 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
252 void ics_update_width P((int new_width));
253 extern char installDir[MSG_SIZ];
254 VariantClass startVariant; /* [HGM] nicks: initial variant */
257 extern int tinyLayout, smallLayout;
258 ChessProgramStats programStats;
259 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
261 static int exiting = 0; /* [HGM] moved to top */
262 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
263 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
264 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
265 int partnerHighlight[2];
266 Boolean partnerBoardValid = 0;
267 char partnerStatus[MSG_SIZ];
269 Boolean originalFlip;
270 Boolean twoBoards = 0;
271 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
272 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
273 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
274 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
275 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
276 int opponentKibitzes;
277 int lastSavedGame; /* [HGM] save: ID of game */
278 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
279 extern int chatCount;
281 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
282 char lastMsg[MSG_SIZ];
283 ChessSquare pieceSweep = EmptySquare;
284 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
285 int promoDefaultAltered;
287 /* States for ics_getting_history */
289 #define H_REQUESTED 1
290 #define H_GOT_REQ_HEADER 2
291 #define H_GOT_UNREQ_HEADER 3
292 #define H_GETTING_MOVES 4
293 #define H_GOT_UNWANTED_HEADER 5
295 /* whosays values for GameEnds */
304 /* Maximum number of games in a cmail message */
305 #define CMAIL_MAX_GAMES 20
307 /* Different types of move when calling RegisterMove */
309 #define CMAIL_RESIGN 1
311 #define CMAIL_ACCEPT 3
313 /* Different types of result to remember for each game */
314 #define CMAIL_NOT_RESULT 0
315 #define CMAIL_OLD_RESULT 1
316 #define CMAIL_NEW_RESULT 2
318 /* Telnet protocol constants */
329 safeStrCpy( char *dst, const char *src, size_t count )
332 assert( dst != NULL );
333 assert( src != NULL );
336 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
337 if( i == count && dst[count-1] != NULLCHAR)
339 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
340 if(appData.debugMode)
341 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
347 /* Some compiler can't cast u64 to double
348 * This function do the job for us:
350 * We use the highest bit for cast, this only
351 * works if the highest bit is not
352 * in use (This should not happen)
354 * We used this for all compiler
357 u64ToDouble(u64 value)
360 u64 tmp = value & u64Const(0x7fffffffffffffff);
361 r = (double)(s64)tmp;
362 if (value & u64Const(0x8000000000000000))
363 r += 9.2233720368547758080e18; /* 2^63 */
367 /* Fake up flags for now, as we aren't keeping track of castling
368 availability yet. [HGM] Change of logic: the flag now only
369 indicates the type of castlings allowed by the rule of the game.
370 The actual rights themselves are maintained in the array
371 castlingRights, as part of the game history, and are not probed
377 int flags = F_ALL_CASTLE_OK;
378 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
379 switch (gameInfo.variant) {
381 flags &= ~F_ALL_CASTLE_OK;
382 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
383 flags |= F_IGNORE_CHECK;
385 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
388 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
390 case VariantKriegspiel:
391 flags |= F_KRIEGSPIEL_CAPTURE;
393 case VariantCapaRandom:
394 case VariantFischeRandom:
395 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
396 case VariantNoCastle:
397 case VariantShatranj:
401 flags &= ~F_ALL_CASTLE_OK;
409 FILE *gameFileFP, *debugFP;
412 [AS] Note: sometimes, the sscanf() function is used to parse the input
413 into a fixed-size buffer. Because of this, we must be prepared to
414 receive strings as long as the size of the input buffer, which is currently
415 set to 4K for Windows and 8K for the rest.
416 So, we must either allocate sufficiently large buffers here, or
417 reduce the size of the input buffer in the input reading part.
420 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
421 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
422 char thinkOutput1[MSG_SIZ*10];
424 ChessProgramState first, second, pairing;
426 /* premove variables */
429 int premoveFromX = 0;
430 int premoveFromY = 0;
431 int premovePromoChar = 0;
433 Boolean alarmSounded;
434 /* end premove variables */
436 char *ics_prefix = "$";
437 int ics_type = ICS_GENERIC;
439 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
440 int pauseExamForwardMostMove = 0;
441 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
442 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
443 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
444 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
445 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
446 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
447 int whiteFlag = FALSE, blackFlag = FALSE;
448 int userOfferedDraw = FALSE;
449 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
450 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
451 int cmailMoveType[CMAIL_MAX_GAMES];
452 long ics_clock_paused = 0;
453 ProcRef icsPR = NoProc, cmailPR = NoProc;
454 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
455 GameMode gameMode = BeginningOfGame;
456 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
457 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
458 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
459 int hiddenThinkOutputState = 0; /* [AS] */
460 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
461 int adjudicateLossPlies = 6;
462 char white_holding[64], black_holding[64];
463 TimeMark lastNodeCountTime;
464 long lastNodeCount=0;
465 int shiftKey; // [HGM] set by mouse handler
467 int have_sent_ICS_logon = 0;
469 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
470 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
471 long timeControl_2; /* [AS] Allow separate time controls */
472 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
473 long timeRemaining[2][MAX_MOVES];
474 int matchGame = 0, nextGame = 0, roundNr = 0;
475 Boolean waitingForGame = FALSE;
476 TimeMark programStartTime, pauseStart;
477 char ics_handle[MSG_SIZ];
478 int have_set_title = 0;
480 /* animateTraining preserves the state of appData.animate
481 * when Training mode is activated. This allows the
482 * response to be animated when appData.animate == TRUE and
483 * appData.animateDragging == TRUE.
485 Boolean animateTraining;
491 Board boards[MAX_MOVES];
492 /* [HGM] Following 7 needed for accurate legality tests: */
493 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
494 signed char initialRights[BOARD_FILES];
495 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
496 int initialRulePlies, FENrulePlies;
497 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
499 Boolean shuffleOpenings;
500 int mute; // mute all sounds
502 // [HGM] vari: next 12 to save and restore variations
503 #define MAX_VARIATIONS 10
504 int framePtr = MAX_MOVES-1; // points to free stack entry
506 int savedFirst[MAX_VARIATIONS];
507 int savedLast[MAX_VARIATIONS];
508 int savedFramePtr[MAX_VARIATIONS];
509 char *savedDetails[MAX_VARIATIONS];
510 ChessMove savedResult[MAX_VARIATIONS];
512 void PushTail P((int firstMove, int lastMove));
513 Boolean PopTail P((Boolean annotate));
514 void PushInner P((int firstMove, int lastMove));
515 void PopInner P((Boolean annotate));
516 void CleanupTail P((void));
518 ChessSquare FIDEArray[2][BOARD_FILES] = {
519 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
520 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
521 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
522 BlackKing, BlackBishop, BlackKnight, BlackRook }
525 ChessSquare twoKingsArray[2][BOARD_FILES] = {
526 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
527 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
528 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
529 BlackKing, BlackKing, BlackKnight, BlackRook }
532 ChessSquare KnightmateArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
534 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
535 { BlackRook, BlackMan, BlackBishop, BlackQueen,
536 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
539 ChessSquare SpartanArray[2][BOARD_FILES] = {
540 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
541 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
542 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
543 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
546 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
547 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
548 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
549 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
550 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
553 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
554 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
555 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
556 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
557 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
560 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
561 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
562 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
563 { BlackRook, BlackKnight, BlackMan, BlackFerz,
564 BlackKing, BlackMan, BlackKnight, BlackRook }
568 #if (BOARD_FILES>=10)
569 ChessSquare ShogiArray[2][BOARD_FILES] = {
570 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
571 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
572 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
573 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
576 ChessSquare XiangqiArray[2][BOARD_FILES] = {
577 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
578 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
579 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
580 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
583 ChessSquare CapablancaArray[2][BOARD_FILES] = {
584 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
585 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
586 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
587 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
590 ChessSquare GreatArray[2][BOARD_FILES] = {
591 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
592 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
593 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
594 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
597 ChessSquare JanusArray[2][BOARD_FILES] = {
598 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
599 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
600 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
601 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
604 ChessSquare GrandArray[2][BOARD_FILES] = {
605 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
606 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
607 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
608 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
612 ChessSquare GothicArray[2][BOARD_FILES] = {
613 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
614 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
615 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
616 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
619 #define GothicArray CapablancaArray
623 ChessSquare FalconArray[2][BOARD_FILES] = {
624 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
625 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
626 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
627 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
630 #define FalconArray CapablancaArray
633 #else // !(BOARD_FILES>=10)
634 #define XiangqiPosition FIDEArray
635 #define CapablancaArray FIDEArray
636 #define GothicArray FIDEArray
637 #define GreatArray FIDEArray
638 #endif // !(BOARD_FILES>=10)
640 #if (BOARD_FILES>=12)
641 ChessSquare CourierArray[2][BOARD_FILES] = {
642 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
643 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
644 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
645 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
647 #else // !(BOARD_FILES>=12)
648 #define CourierArray CapablancaArray
649 #endif // !(BOARD_FILES>=12)
652 Board initialPosition;
655 /* Convert str to a rating. Checks for special cases of "----",
657 "++++", etc. Also strips ()'s */
659 string_to_rating(str)
662 while(*str && !isdigit(*str)) ++str;
664 return 0; /* One of the special "no rating" cases */
672 /* Init programStats */
673 programStats.movelist[0] = 0;
674 programStats.depth = 0;
675 programStats.nr_moves = 0;
676 programStats.moves_left = 0;
677 programStats.nodes = 0;
678 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
679 programStats.score = 0;
680 programStats.got_only_move = 0;
681 programStats.got_fail = 0;
682 programStats.line_is_book = 0;
687 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
688 if (appData.firstPlaysBlack) {
689 first.twoMachinesColor = "black\n";
690 second.twoMachinesColor = "white\n";
692 first.twoMachinesColor = "white\n";
693 second.twoMachinesColor = "black\n";
696 first.other = &second;
697 second.other = &first;
700 if(appData.timeOddsMode) {
701 norm = appData.timeOdds[0];
702 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
704 first.timeOdds = appData.timeOdds[0]/norm;
705 second.timeOdds = appData.timeOdds[1]/norm;
708 if(programVersion) free(programVersion);
709 if (appData.noChessProgram) {
710 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
711 sprintf(programVersion, "%s", PACKAGE_STRING);
713 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
714 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
715 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
720 UnloadEngine(ChessProgramState *cps)
722 /* Kill off first chess program */
723 if (cps->isr != NULL)
724 RemoveInputSource(cps->isr);
727 if (cps->pr != NoProc) {
729 DoSleep( appData.delayBeforeQuit );
730 SendToProgram("quit\n", cps);
731 DoSleep( appData.delayAfterQuit );
732 DestroyChildProcess(cps->pr, cps->useSigterm);
735 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
739 ClearOptions(ChessProgramState *cps)
742 cps->nrOptions = cps->comboCnt = 0;
743 for(i=0; i<MAX_OPTIONS; i++) {
744 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
745 cps->option[i].textValue = 0;
749 char *engineNames[] = {
755 InitEngine(ChessProgramState *cps, int n)
756 { // [HGM] all engine initialiation put in a function that does one engine
760 cps->which = engineNames[n];
761 cps->maybeThinking = FALSE;
765 cps->sendDrawOffers = 1;
767 cps->program = appData.chessProgram[n];
768 cps->host = appData.host[n];
769 cps->dir = appData.directory[n];
770 cps->initString = appData.engInitString[n];
771 cps->computerString = appData.computerString[n];
772 cps->useSigint = TRUE;
773 cps->useSigterm = TRUE;
774 cps->reuse = appData.reuse[n];
775 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
776 cps->useSetboard = FALSE;
778 cps->usePing = FALSE;
781 cps->usePlayother = FALSE;
782 cps->useColors = TRUE;
783 cps->useUsermove = FALSE;
784 cps->sendICS = FALSE;
785 cps->sendName = appData.icsActive;
786 cps->sdKludge = FALSE;
787 cps->stKludge = FALSE;
788 TidyProgramName(cps->program, cps->host, cps->tidy);
790 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
791 cps->analysisSupport = 2; /* detect */
792 cps->analyzing = FALSE;
793 cps->initDone = FALSE;
795 /* New features added by Tord: */
796 cps->useFEN960 = FALSE;
797 cps->useOOCastle = TRUE;
798 /* End of new features added by Tord. */
799 cps->fenOverride = appData.fenOverride[n];
801 /* [HGM] time odds: set factor for each machine */
802 cps->timeOdds = appData.timeOdds[n];
804 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
805 cps->accumulateTC = appData.accumulateTC[n];
806 cps->maxNrOfSessions = 1;
811 cps->supportsNPS = UNKNOWN;
812 cps->memSize = FALSE;
813 cps->maxCores = FALSE;
814 cps->egtFormats[0] = NULLCHAR;
817 cps->optionSettings = appData.engOptions[n];
819 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
820 cps->isUCI = appData.isUCI[n]; /* [AS] */
821 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
823 if (appData.protocolVersion[n] > PROTOVER
824 || appData.protocolVersion[n] < 1)
829 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
830 appData.protocolVersion[n]);
831 if( (len > MSG_SIZ) && appData.debugMode )
832 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
834 DisplayFatalError(buf, 0, 2);
838 cps->protocolVersion = appData.protocolVersion[n];
841 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
844 ChessProgramState *savCps;
850 if(WaitForEngine(savCps, LoadEngine)) return;
851 CommonEngineInit(); // recalculate time odds
852 if(gameInfo.variant != StringToVariant(appData.variant)) {
853 // we changed variant when loading the engine; this forces us to reset
854 Reset(TRUE, savCps != &first);
855 EditGameEvent(); // for consistency with other path, as Reset changes mode
857 InitChessProgram(savCps, FALSE);
858 SendToProgram("force\n", savCps);
859 DisplayMessage("", "");
860 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
861 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
867 ReplaceEngine(ChessProgramState *cps, int n)
871 appData.noChessProgram = FALSE;
872 appData.clockMode = TRUE;
875 if(n) return; // only startup first engine immediately; second can wait
876 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
880 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
881 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
883 static char resetOptions[] =
884 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
885 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
888 Load(ChessProgramState *cps, int i)
890 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
891 if(engineLine[0]) { // an engine was selected from the combo box
892 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
893 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
894 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
895 ParseArgsFromString(buf);
897 ReplaceEngine(cps, i);
901 while(q = strchr(p, SLASH)) p = q+1;
902 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
903 if(engineDir[0] != NULLCHAR)
904 appData.directory[i] = engineDir;
905 else if(p != engineName) { // derive directory from engine path, when not given
907 appData.directory[i] = strdup(engineName);
909 } else appData.directory[i] = ".";
910 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
912 snprintf(command, MSG_SIZ, "%s %s", p, params);
915 appData.chessProgram[i] = strdup(p);
916 appData.isUCI[i] = isUCI;
917 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
918 appData.hasOwnBookUCI[i] = hasBook;
919 if(!nickName[0]) useNick = FALSE;
920 if(useNick) ASSIGN(appData.pgnName[i], nickName);
924 q = firstChessProgramNames;
925 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
926 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
927 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
928 quote, p, quote, appData.directory[i],
929 useNick ? " -fn \"" : "",
930 useNick ? nickName : "",
932 v1 ? " -firstProtocolVersion 1" : "",
933 hasBook ? "" : " -fNoOwnBookUCI",
934 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
935 storeVariant ? " -variant " : "",
936 storeVariant ? VariantName(gameInfo.variant) : "");
937 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
938 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
941 ReplaceEngine(cps, i);
947 int matched, min, sec;
949 * Parse timeControl resource
951 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
952 appData.movesPerSession)) {
954 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
955 DisplayFatalError(buf, 0, 2);
959 * Parse searchTime resource
961 if (*appData.searchTime != NULLCHAR) {
962 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
964 searchTime = min * 60;
965 } else if (matched == 2) {
966 searchTime = min * 60 + sec;
969 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
970 DisplayFatalError(buf, 0, 2);
979 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
980 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
982 GetTimeMark(&programStartTime);
983 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
984 appData.seedBase = random() + (random()<<15);
985 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
988 programStats.ok_to_send = 1;
989 programStats.seen_stat = 0;
992 * Initialize game list
998 * Internet chess server status
1000 if (appData.icsActive) {
1001 appData.matchMode = FALSE;
1002 appData.matchGames = 0;
1004 appData.noChessProgram = !appData.zippyPlay;
1006 appData.zippyPlay = FALSE;
1007 appData.zippyTalk = FALSE;
1008 appData.noChessProgram = TRUE;
1010 if (*appData.icsHelper != NULLCHAR) {
1011 appData.useTelnet = TRUE;
1012 appData.telnetProgram = appData.icsHelper;
1015 appData.zippyTalk = appData.zippyPlay = FALSE;
1018 /* [AS] Initialize pv info list [HGM] and game state */
1022 for( i=0; i<=framePtr; i++ ) {
1023 pvInfoList[i].depth = -1;
1024 boards[i][EP_STATUS] = EP_NONE;
1025 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1031 /* [AS] Adjudication threshold */
1032 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1034 InitEngine(&first, 0);
1035 InitEngine(&second, 1);
1038 pairing.which = "pairing"; // pairing engine
1039 pairing.pr = NoProc;
1041 pairing.program = appData.pairingEngine;
1042 pairing.host = "localhost";
1045 if (appData.icsActive) {
1046 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1047 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1048 appData.clockMode = FALSE;
1049 first.sendTime = second.sendTime = 0;
1053 /* Override some settings from environment variables, for backward
1054 compatibility. Unfortunately it's not feasible to have the env
1055 vars just set defaults, at least in xboard. Ugh.
1057 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1062 if (!appData.icsActive) {
1066 /* Check for variants that are supported only in ICS mode,
1067 or not at all. Some that are accepted here nevertheless
1068 have bugs; see comments below.
1070 VariantClass variant = StringToVariant(appData.variant);
1072 case VariantBughouse: /* need four players and two boards */
1073 case VariantKriegspiel: /* need to hide pieces and move details */
1074 /* case VariantFischeRandom: (Fabien: moved below) */
1075 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1076 if( (len > MSG_SIZ) && appData.debugMode )
1077 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1079 DisplayFatalError(buf, 0, 2);
1082 case VariantUnknown:
1083 case VariantLoadable:
1093 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1094 if( (len > MSG_SIZ) && appData.debugMode )
1095 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1097 DisplayFatalError(buf, 0, 2);
1100 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1101 case VariantFairy: /* [HGM] TestLegality definitely off! */
1102 case VariantGothic: /* [HGM] should work */
1103 case VariantCapablanca: /* [HGM] should work */
1104 case VariantCourier: /* [HGM] initial forced moves not implemented */
1105 case VariantShogi: /* [HGM] could still mate with pawn drop */
1106 case VariantKnightmate: /* [HGM] should work */
1107 case VariantCylinder: /* [HGM] untested */
1108 case VariantFalcon: /* [HGM] untested */
1109 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1110 offboard interposition not understood */
1111 case VariantNormal: /* definitely works! */
1112 case VariantWildCastle: /* pieces not automatically shuffled */
1113 case VariantNoCastle: /* pieces not automatically shuffled */
1114 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1115 case VariantLosers: /* should work except for win condition,
1116 and doesn't know captures are mandatory */
1117 case VariantSuicide: /* should work except for win condition,
1118 and doesn't know captures are mandatory */
1119 case VariantGiveaway: /* should work except for win condition,
1120 and doesn't know captures are mandatory */
1121 case VariantTwoKings: /* should work */
1122 case VariantAtomic: /* should work except for win condition */
1123 case Variant3Check: /* should work except for win condition */
1124 case VariantShatranj: /* should work except for all win conditions */
1125 case VariantMakruk: /* should work except for draw countdown */
1126 case VariantBerolina: /* might work if TestLegality is off */
1127 case VariantCapaRandom: /* should work */
1128 case VariantJanus: /* should work */
1129 case VariantSuper: /* experimental */
1130 case VariantGreat: /* experimental, requires legality testing to be off */
1131 case VariantSChess: /* S-Chess, should work */
1132 case VariantGrand: /* should work */
1133 case VariantSpartan: /* should work */
1140 int NextIntegerFromString( char ** str, long * value )
1145 while( *s == ' ' || *s == '\t' ) {
1151 if( *s >= '0' && *s <= '9' ) {
1152 while( *s >= '0' && *s <= '9' ) {
1153 *value = *value * 10 + (*s - '0');
1165 int NextTimeControlFromString( char ** str, long * value )
1168 int result = NextIntegerFromString( str, &temp );
1171 *value = temp * 60; /* Minutes */
1172 if( **str == ':' ) {
1174 result = NextIntegerFromString( str, &temp );
1175 *value += temp; /* Seconds */
1182 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1183 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1184 int result = -1, type = 0; long temp, temp2;
1186 if(**str != ':') return -1; // old params remain in force!
1188 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1189 if( NextIntegerFromString( str, &temp ) ) return -1;
1190 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1193 /* time only: incremental or sudden-death time control */
1194 if(**str == '+') { /* increment follows; read it */
1196 if(**str == '!') type = *(*str)++; // Bronstein TC
1197 if(result = NextIntegerFromString( str, &temp2)) return -1;
1198 *inc = temp2 * 1000;
1199 if(**str == '.') { // read fraction of increment
1200 char *start = ++(*str);
1201 if(result = NextIntegerFromString( str, &temp2)) return -1;
1203 while(start++ < *str) temp2 /= 10;
1207 *moves = 0; *tc = temp * 1000; *incType = type;
1211 (*str)++; /* classical time control */
1212 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1223 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1224 { /* [HGM] get time to add from the multi-session time-control string */
1225 int incType, moves=1; /* kludge to force reading of first session */
1226 long time, increment;
1229 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1230 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1232 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1233 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1234 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1235 if(movenr == -1) return time; /* last move before new session */
1236 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1237 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1238 if(!moves) return increment; /* current session is incremental */
1239 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1240 } while(movenr >= -1); /* try again for next session */
1242 return 0; // no new time quota on this move
1246 ParseTimeControl(tc, ti, mps)
1253 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1256 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1257 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1258 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1262 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1264 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1267 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1269 snprintf(buf, MSG_SIZ, ":%s", mytc);
1271 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1273 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1278 /* Parse second time control */
1281 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1289 timeControl_2 = tc2 * 1000;
1299 timeControl = tc1 * 1000;
1302 timeIncrement = ti * 1000; /* convert to ms */
1303 movesPerSession = 0;
1306 movesPerSession = mps;
1314 if (appData.debugMode) {
1315 fprintf(debugFP, "%s\n", programVersion);
1318 set_cont_sequence(appData.wrapContSeq);
1319 if (appData.matchGames > 0) {
1320 appData.matchMode = TRUE;
1321 } else if (appData.matchMode) {
1322 appData.matchGames = 1;
1324 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1325 appData.matchGames = appData.sameColorGames;
1326 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1327 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1328 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1331 if (appData.noChessProgram || first.protocolVersion == 1) {
1334 /* kludge: allow timeout for initial "feature" commands */
1336 DisplayMessage("", _("Starting chess program"));
1337 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1342 CalculateIndex(int index, int gameNr)
1343 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1345 if(index > 0) return index; // fixed nmber
1346 if(index == 0) return 1;
1347 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1348 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1353 LoadGameOrPosition(int gameNr)
1354 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1355 if (*appData.loadGameFile != NULLCHAR) {
1356 if (!LoadGameFromFile(appData.loadGameFile,
1357 CalculateIndex(appData.loadGameIndex, gameNr),
1358 appData.loadGameFile, FALSE)) {
1359 DisplayFatalError(_("Bad game file"), 0, 1);
1362 } else if (*appData.loadPositionFile != NULLCHAR) {
1363 if (!LoadPositionFromFile(appData.loadPositionFile,
1364 CalculateIndex(appData.loadPositionIndex, gameNr),
1365 appData.loadPositionFile)) {
1366 DisplayFatalError(_("Bad position file"), 0, 1);
1374 ReserveGame(int gameNr, char resChar)
1376 FILE *tf = fopen(appData.tourneyFile, "r+");
1377 char *p, *q, c, buf[MSG_SIZ];
1378 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1379 safeStrCpy(buf, lastMsg, MSG_SIZ);
1380 DisplayMessage(_("Pick new game"), "");
1381 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1382 ParseArgsFromFile(tf);
1383 p = q = appData.results;
1384 if(appData.debugMode) {
1385 char *r = appData.participants;
1386 fprintf(debugFP, "results = '%s'\n", p);
1387 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1388 fprintf(debugFP, "\n");
1390 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1392 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1393 safeStrCpy(q, p, strlen(p) + 2);
1394 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1395 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1396 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1397 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1400 fseek(tf, -(strlen(p)+4), SEEK_END);
1402 if(c != '"') // depending on DOS or Unix line endings we can be one off
1403 fseek(tf, -(strlen(p)+2), SEEK_END);
1404 else fseek(tf, -(strlen(p)+3), SEEK_END);
1405 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1406 DisplayMessage(buf, "");
1407 free(p); appData.results = q;
1408 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1409 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1410 UnloadEngine(&first); // next game belongs to other pairing;
1411 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1416 MatchEvent(int mode)
1417 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1419 if(matchMode) { // already in match mode: switch it off
1421 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1424 // if(gameMode != BeginningOfGame) {
1425 // DisplayError(_("You can only start a match from the initial position."), 0);
1429 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1430 /* Set up machine vs. machine match */
1432 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1433 if(appData.tourneyFile[0]) {
1435 if(nextGame > appData.matchGames) {
1437 if(strchr(appData.results, '*') == NULL) {
1439 appData.tourneyCycles++;
1440 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1442 NextTourneyGame(-1, &dummy);
1444 if(nextGame <= appData.matchGames) {
1445 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1447 ScheduleDelayedEvent(NextMatchGame, 10000);
1452 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1453 DisplayError(buf, 0);
1454 appData.tourneyFile[0] = 0;
1458 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1459 DisplayFatalError(_("Can't have a match with no chess programs"),
1464 matchGame = roundNr = 1;
1465 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1470 InitBackEnd3 P((void))
1472 GameMode initialMode;
1476 InitChessProgram(&first, startedFromSetupPosition);
1478 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1479 free(programVersion);
1480 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1481 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1484 if (appData.icsActive) {
1486 /* [DM] Make a console window if needed [HGM] merged ifs */
1492 if (*appData.icsCommPort != NULLCHAR)
1493 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1494 appData.icsCommPort);
1496 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1497 appData.icsHost, appData.icsPort);
1499 if( (len > MSG_SIZ) && appData.debugMode )
1500 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1502 DisplayFatalError(buf, err, 1);
1507 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1509 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1510 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1511 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1512 } else if (appData.noChessProgram) {
1518 if (*appData.cmailGameName != NULLCHAR) {
1520 OpenLoopback(&cmailPR);
1522 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1526 DisplayMessage("", "");
1527 if (StrCaseCmp(appData.initialMode, "") == 0) {
1528 initialMode = BeginningOfGame;
1529 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1530 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1531 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1532 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1535 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1536 initialMode = TwoMachinesPlay;
1537 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1538 initialMode = AnalyzeFile;
1539 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1540 initialMode = AnalyzeMode;
1541 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1542 initialMode = MachinePlaysWhite;
1543 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1544 initialMode = MachinePlaysBlack;
1545 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1546 initialMode = EditGame;
1547 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1548 initialMode = EditPosition;
1549 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1550 initialMode = Training;
1552 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1553 if( (len > MSG_SIZ) && appData.debugMode )
1554 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1556 DisplayFatalError(buf, 0, 2);
1560 if (appData.matchMode) {
1561 if(appData.tourneyFile[0]) { // start tourney from command line
1563 if(f = fopen(appData.tourneyFile, "r")) {
1564 ParseArgsFromFile(f); // make sure tourney parmeters re known
1566 appData.clockMode = TRUE;
1568 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1571 } else if (*appData.cmailGameName != NULLCHAR) {
1572 /* Set up cmail mode */
1573 ReloadCmailMsgEvent(TRUE);
1575 /* Set up other modes */
1576 if (initialMode == AnalyzeFile) {
1577 if (*appData.loadGameFile == NULLCHAR) {
1578 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1582 if (*appData.loadGameFile != NULLCHAR) {
1583 (void) LoadGameFromFile(appData.loadGameFile,
1584 appData.loadGameIndex,
1585 appData.loadGameFile, TRUE);
1586 } else if (*appData.loadPositionFile != NULLCHAR) {
1587 (void) LoadPositionFromFile(appData.loadPositionFile,
1588 appData.loadPositionIndex,
1589 appData.loadPositionFile);
1590 /* [HGM] try to make self-starting even after FEN load */
1591 /* to allow automatic setup of fairy variants with wtm */
1592 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1593 gameMode = BeginningOfGame;
1594 setboardSpoiledMachineBlack = 1;
1596 /* [HGM] loadPos: make that every new game uses the setup */
1597 /* from file as long as we do not switch variant */
1598 if(!blackPlaysFirst) {
1599 startedFromPositionFile = TRUE;
1600 CopyBoard(filePosition, boards[0]);
1603 if (initialMode == AnalyzeMode) {
1604 if (appData.noChessProgram) {
1605 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1608 if (appData.icsActive) {
1609 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1613 } else if (initialMode == AnalyzeFile) {
1614 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1615 ShowThinkingEvent();
1617 AnalysisPeriodicEvent(1);
1618 } else if (initialMode == MachinePlaysWhite) {
1619 if (appData.noChessProgram) {
1620 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1624 if (appData.icsActive) {
1625 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1629 MachineWhiteEvent();
1630 } else if (initialMode == MachinePlaysBlack) {
1631 if (appData.noChessProgram) {
1632 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1636 if (appData.icsActive) {
1637 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1641 MachineBlackEvent();
1642 } else if (initialMode == TwoMachinesPlay) {
1643 if (appData.noChessProgram) {
1644 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1648 if (appData.icsActive) {
1649 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1654 } else if (initialMode == EditGame) {
1656 } else if (initialMode == EditPosition) {
1657 EditPositionEvent();
1658 } else if (initialMode == Training) {
1659 if (*appData.loadGameFile == NULLCHAR) {
1660 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1669 * Establish will establish a contact to a remote host.port.
1670 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1671 * used to talk to the host.
1672 * Returns 0 if okay, error code if not.
1679 if (*appData.icsCommPort != NULLCHAR) {
1680 /* Talk to the host through a serial comm port */
1681 return OpenCommPort(appData.icsCommPort, &icsPR);
1683 } else if (*appData.gateway != NULLCHAR) {
1684 if (*appData.remoteShell == NULLCHAR) {
1685 /* Use the rcmd protocol to run telnet program on a gateway host */
1686 snprintf(buf, sizeof(buf), "%s %s %s",
1687 appData.telnetProgram, appData.icsHost, appData.icsPort);
1688 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1691 /* Use the rsh program to run telnet program on a gateway host */
1692 if (*appData.remoteUser == NULLCHAR) {
1693 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1694 appData.gateway, appData.telnetProgram,
1695 appData.icsHost, appData.icsPort);
1697 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1698 appData.remoteShell, appData.gateway,
1699 appData.remoteUser, appData.telnetProgram,
1700 appData.icsHost, appData.icsPort);
1702 return StartChildProcess(buf, "", &icsPR);
1705 } else if (appData.useTelnet) {
1706 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1709 /* TCP socket interface differs somewhat between
1710 Unix and NT; handle details in the front end.
1712 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1716 void EscapeExpand(char *p, char *q)
1717 { // [HGM] initstring: routine to shape up string arguments
1718 while(*p++ = *q++) if(p[-1] == '\\')
1720 case 'n': p[-1] = '\n'; break;
1721 case 'r': p[-1] = '\r'; break;
1722 case 't': p[-1] = '\t'; break;
1723 case '\\': p[-1] = '\\'; break;
1724 case 0: *p = 0; return;
1725 default: p[-1] = q[-1]; break;
1730 show_bytes(fp, buf, count)
1736 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1737 fprintf(fp, "\\%03o", *buf & 0xff);
1746 /* Returns an errno value */
1748 OutputMaybeTelnet(pr, message, count, outError)
1754 char buf[8192], *p, *q, *buflim;
1755 int left, newcount, outcount;
1757 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1758 *appData.gateway != NULLCHAR) {
1759 if (appData.debugMode) {
1760 fprintf(debugFP, ">ICS: ");
1761 show_bytes(debugFP, message, count);
1762 fprintf(debugFP, "\n");
1764 return OutputToProcess(pr, message, count, outError);
1767 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1774 if (appData.debugMode) {
1775 fprintf(debugFP, ">ICS: ");
1776 show_bytes(debugFP, buf, newcount);
1777 fprintf(debugFP, "\n");
1779 outcount = OutputToProcess(pr, buf, newcount, outError);
1780 if (outcount < newcount) return -1; /* to be sure */
1787 } else if (((unsigned char) *p) == TN_IAC) {
1788 *q++ = (char) TN_IAC;
1795 if (appData.debugMode) {
1796 fprintf(debugFP, ">ICS: ");
1797 show_bytes(debugFP, buf, newcount);
1798 fprintf(debugFP, "\n");
1800 outcount = OutputToProcess(pr, buf, newcount, outError);
1801 if (outcount < newcount) return -1; /* to be sure */
1806 read_from_player(isr, closure, message, count, error)
1813 int outError, outCount;
1814 static int gotEof = 0;
1816 /* Pass data read from player on to ICS */
1819 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1820 if (outCount < count) {
1821 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1823 } else if (count < 0) {
1824 RemoveInputSource(isr);
1825 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1826 } else if (gotEof++ > 0) {
1827 RemoveInputSource(isr);
1828 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1834 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1835 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1836 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1837 SendToICS("date\n");
1838 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1841 /* added routine for printf style output to ics */
1842 void ics_printf(char *format, ...)
1844 char buffer[MSG_SIZ];
1847 va_start(args, format);
1848 vsnprintf(buffer, sizeof(buffer), format, args);
1849 buffer[sizeof(buffer)-1] = '\0';
1858 int count, outCount, outError;
1860 if (icsPR == NULL) return;
1863 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1864 if (outCount < count) {
1865 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1869 /* This is used for sending logon scripts to the ICS. Sending
1870 without a delay causes problems when using timestamp on ICC
1871 (at least on my machine). */
1873 SendToICSDelayed(s,msdelay)
1877 int count, outCount, outError;
1879 if (icsPR == NULL) return;
1882 if (appData.debugMode) {
1883 fprintf(debugFP, ">ICS: ");
1884 show_bytes(debugFP, s, count);
1885 fprintf(debugFP, "\n");
1887 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1889 if (outCount < count) {
1890 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1895 /* Remove all highlighting escape sequences in s
1896 Also deletes any suffix starting with '('
1899 StripHighlightAndTitle(s)
1902 static char retbuf[MSG_SIZ];
1905 while (*s != NULLCHAR) {
1906 while (*s == '\033') {
1907 while (*s != NULLCHAR && !isalpha(*s)) s++;
1908 if (*s != NULLCHAR) s++;
1910 while (*s != NULLCHAR && *s != '\033') {
1911 if (*s == '(' || *s == '[') {
1922 /* Remove all highlighting escape sequences in s */
1927 static char retbuf[MSG_SIZ];
1930 while (*s != NULLCHAR) {
1931 while (*s == '\033') {
1932 while (*s != NULLCHAR && !isalpha(*s)) s++;
1933 if (*s != NULLCHAR) s++;
1935 while (*s != NULLCHAR && *s != '\033') {
1943 char *variantNames[] = VARIANT_NAMES;
1948 return variantNames[v];
1952 /* Identify a variant from the strings the chess servers use or the
1953 PGN Variant tag names we use. */
1960 VariantClass v = VariantNormal;
1961 int i, found = FALSE;
1967 /* [HGM] skip over optional board-size prefixes */
1968 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1969 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1970 while( *e++ != '_');
1973 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1977 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1978 if (StrCaseStr(e, variantNames[i])) {
1979 v = (VariantClass) i;
1986 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1987 || StrCaseStr(e, "wild/fr")
1988 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1989 v = VariantFischeRandom;
1990 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1991 (i = 1, p = StrCaseStr(e, "w"))) {
1993 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2000 case 0: /* FICS only, actually */
2002 /* Castling legal even if K starts on d-file */
2003 v = VariantWildCastle;
2008 /* Castling illegal even if K & R happen to start in
2009 normal positions. */
2010 v = VariantNoCastle;
2023 /* Castling legal iff K & R start in normal positions */
2029 /* Special wilds for position setup; unclear what to do here */
2030 v = VariantLoadable;
2033 /* Bizarre ICC game */
2034 v = VariantTwoKings;
2037 v = VariantKriegspiel;
2043 v = VariantFischeRandom;
2046 v = VariantCrazyhouse;
2049 v = VariantBughouse;
2055 /* Not quite the same as FICS suicide! */
2056 v = VariantGiveaway;
2062 v = VariantShatranj;
2065 /* Temporary names for future ICC types. The name *will* change in
2066 the next xboard/WinBoard release after ICC defines it. */
2104 v = VariantCapablanca;
2107 v = VariantKnightmate;
2113 v = VariantCylinder;
2119 v = VariantCapaRandom;
2122 v = VariantBerolina;
2134 /* Found "wild" or "w" in the string but no number;
2135 must assume it's normal chess. */
2139 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2140 if( (len > MSG_SIZ) && appData.debugMode )
2141 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2143 DisplayError(buf, 0);
2149 if (appData.debugMode) {
2150 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2151 e, wnum, VariantName(v));
2156 static int leftover_start = 0, leftover_len = 0;
2157 char star_match[STAR_MATCH_N][MSG_SIZ];
2159 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2160 advance *index beyond it, and set leftover_start to the new value of
2161 *index; else return FALSE. If pattern contains the character '*', it
2162 matches any sequence of characters not containing '\r', '\n', or the
2163 character following the '*' (if any), and the matched sequence(s) are
2164 copied into star_match.
2167 looking_at(buf, index, pattern)
2172 char *bufp = &buf[*index], *patternp = pattern;
2174 char *matchp = star_match[0];
2177 if (*patternp == NULLCHAR) {
2178 *index = leftover_start = bufp - buf;
2182 if (*bufp == NULLCHAR) return FALSE;
2183 if (*patternp == '*') {
2184 if (*bufp == *(patternp + 1)) {
2186 matchp = star_match[++star_count];
2190 } else if (*bufp == '\n' || *bufp == '\r') {
2192 if (*patternp == NULLCHAR)
2197 *matchp++ = *bufp++;
2201 if (*patternp != *bufp) return FALSE;
2208 SendToPlayer(data, length)
2212 int error, outCount;
2213 outCount = OutputToProcess(NoProc, data, length, &error);
2214 if (outCount < length) {
2215 DisplayFatalError(_("Error writing to display"), error, 1);
2220 PackHolding(packed, holding)
2232 switch (runlength) {
2243 sprintf(q, "%d", runlength);
2255 /* Telnet protocol requests from the front end */
2257 TelnetRequest(ddww, option)
2258 unsigned char ddww, option;
2260 unsigned char msg[3];
2261 int outCount, outError;
2263 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2265 if (appData.debugMode) {
2266 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2282 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2291 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2294 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2299 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2301 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2308 if (!appData.icsActive) return;
2309 TelnetRequest(TN_DO, TN_ECHO);
2315 if (!appData.icsActive) return;
2316 TelnetRequest(TN_DONT, TN_ECHO);
2320 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2322 /* put the holdings sent to us by the server on the board holdings area */
2323 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2327 if(gameInfo.holdingsWidth < 2) return;
2328 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2329 return; // prevent overwriting by pre-board holdings
2331 if( (int)lowestPiece >= BlackPawn ) {
2334 holdingsStartRow = BOARD_HEIGHT-1;
2337 holdingsColumn = BOARD_WIDTH-1;
2338 countsColumn = BOARD_WIDTH-2;
2339 holdingsStartRow = 0;
2343 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2344 board[i][holdingsColumn] = EmptySquare;
2345 board[i][countsColumn] = (ChessSquare) 0;
2347 while( (p=*holdings++) != NULLCHAR ) {
2348 piece = CharToPiece( ToUpper(p) );
2349 if(piece == EmptySquare) continue;
2350 /*j = (int) piece - (int) WhitePawn;*/
2351 j = PieceToNumber(piece);
2352 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2353 if(j < 0) continue; /* should not happen */
2354 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2355 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2356 board[holdingsStartRow+j*direction][countsColumn]++;
2362 VariantSwitch(Board board, VariantClass newVariant)
2364 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2365 static Board oldBoard;
2367 startedFromPositionFile = FALSE;
2368 if(gameInfo.variant == newVariant) return;
2370 /* [HGM] This routine is called each time an assignment is made to
2371 * gameInfo.variant during a game, to make sure the board sizes
2372 * are set to match the new variant. If that means adding or deleting
2373 * holdings, we shift the playing board accordingly
2374 * This kludge is needed because in ICS observe mode, we get boards
2375 * of an ongoing game without knowing the variant, and learn about the
2376 * latter only later. This can be because of the move list we requested,
2377 * in which case the game history is refilled from the beginning anyway,
2378 * but also when receiving holdings of a crazyhouse game. In the latter
2379 * case we want to add those holdings to the already received position.
2383 if (appData.debugMode) {
2384 fprintf(debugFP, "Switch board from %s to %s\n",
2385 VariantName(gameInfo.variant), VariantName(newVariant));
2386 setbuf(debugFP, NULL);
2388 shuffleOpenings = 0; /* [HGM] shuffle */
2389 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2393 newWidth = 9; newHeight = 9;
2394 gameInfo.holdingsSize = 7;
2395 case VariantBughouse:
2396 case VariantCrazyhouse:
2397 newHoldingsWidth = 2; break;
2401 newHoldingsWidth = 2;
2402 gameInfo.holdingsSize = 8;
2405 case VariantCapablanca:
2406 case VariantCapaRandom:
2409 newHoldingsWidth = gameInfo.holdingsSize = 0;
2412 if(newWidth != gameInfo.boardWidth ||
2413 newHeight != gameInfo.boardHeight ||
2414 newHoldingsWidth != gameInfo.holdingsWidth ) {
2416 /* shift position to new playing area, if needed */
2417 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2418 for(i=0; i<BOARD_HEIGHT; i++)
2419 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2420 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2422 for(i=0; i<newHeight; i++) {
2423 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2424 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2426 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2427 for(i=0; i<BOARD_HEIGHT; i++)
2428 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2429 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2432 gameInfo.boardWidth = newWidth;
2433 gameInfo.boardHeight = newHeight;
2434 gameInfo.holdingsWidth = newHoldingsWidth;
2435 gameInfo.variant = newVariant;
2436 InitDrawingSizes(-2, 0);
2437 } else gameInfo.variant = newVariant;
2438 CopyBoard(oldBoard, board); // remember correctly formatted board
2439 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2440 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2443 static int loggedOn = FALSE;
2445 /*-- Game start info cache: --*/
2447 char gs_kind[MSG_SIZ];
2448 static char player1Name[128] = "";
2449 static char player2Name[128] = "";
2450 static char cont_seq[] = "\n\\ ";
2451 static int player1Rating = -1;
2452 static int player2Rating = -1;
2453 /*----------------------------*/
2455 ColorClass curColor = ColorNormal;
2456 int suppressKibitz = 0;
2459 Boolean soughtPending = FALSE;
2460 Boolean seekGraphUp;
2461 #define MAX_SEEK_ADS 200
2463 char *seekAdList[MAX_SEEK_ADS];
2464 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2465 float tcList[MAX_SEEK_ADS];
2466 char colorList[MAX_SEEK_ADS];
2467 int nrOfSeekAds = 0;
2468 int minRating = 1010, maxRating = 2800;
2469 int hMargin = 10, vMargin = 20, h, w;
2470 extern int squareSize, lineGap;
2475 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2476 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2477 if(r < minRating+100 && r >=0 ) r = minRating+100;
2478 if(r > maxRating) r = maxRating;
2479 if(tc < 1.) tc = 1.;
2480 if(tc > 95.) tc = 95.;
2481 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2482 y = ((double)r - minRating)/(maxRating - minRating)
2483 * (h-vMargin-squareSize/8-1) + vMargin;
2484 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2485 if(strstr(seekAdList[i], " u ")) color = 1;
2486 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2487 !strstr(seekAdList[i], "bullet") &&
2488 !strstr(seekAdList[i], "blitz") &&
2489 !strstr(seekAdList[i], "standard") ) color = 2;
2490 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2491 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2495 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2497 char buf[MSG_SIZ], *ext = "";
2498 VariantClass v = StringToVariant(type);
2499 if(strstr(type, "wild")) {
2500 ext = type + 4; // append wild number
2501 if(v == VariantFischeRandom) type = "chess960"; else
2502 if(v == VariantLoadable) type = "setup"; else
2503 type = VariantName(v);
2505 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2506 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2507 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2508 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2509 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2510 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2511 seekNrList[nrOfSeekAds] = nr;
2512 zList[nrOfSeekAds] = 0;
2513 seekAdList[nrOfSeekAds++] = StrSave(buf);
2514 if(plot) PlotSeekAd(nrOfSeekAds-1);
2521 int x = xList[i], y = yList[i], d=squareSize/4, k;
2522 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2523 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2524 // now replot every dot that overlapped
2525 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2526 int xx = xList[k], yy = yList[k];
2527 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2528 DrawSeekDot(xx, yy, colorList[k]);
2533 RemoveSeekAd(int nr)
2536 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2538 if(seekAdList[i]) free(seekAdList[i]);
2539 seekAdList[i] = seekAdList[--nrOfSeekAds];
2540 seekNrList[i] = seekNrList[nrOfSeekAds];
2541 ratingList[i] = ratingList[nrOfSeekAds];
2542 colorList[i] = colorList[nrOfSeekAds];
2543 tcList[i] = tcList[nrOfSeekAds];
2544 xList[i] = xList[nrOfSeekAds];
2545 yList[i] = yList[nrOfSeekAds];
2546 zList[i] = zList[nrOfSeekAds];
2547 seekAdList[nrOfSeekAds] = NULL;
2553 MatchSoughtLine(char *line)
2555 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2556 int nr, base, inc, u=0; char dummy;
2558 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2559 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2561 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2562 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2563 // match: compact and save the line
2564 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2574 if(!seekGraphUp) return FALSE;
2575 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2576 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2578 DrawSeekBackground(0, 0, w, h);
2579 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2580 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2581 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2582 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2584 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2587 snprintf(buf, MSG_SIZ, "%d", i);
2588 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2591 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2592 for(i=1; i<100; i+=(i<10?1:5)) {
2593 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2594 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2595 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2597 snprintf(buf, MSG_SIZ, "%d", i);
2598 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2601 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2605 int SeekGraphClick(ClickType click, int x, int y, int moving)
2607 static int lastDown = 0, displayed = 0, lastSecond;
2608 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2609 if(click == Release || moving) return FALSE;
2611 soughtPending = TRUE;
2612 SendToICS(ics_prefix);
2613 SendToICS("sought\n"); // should this be "sought all"?
2614 } else { // issue challenge based on clicked ad
2615 int dist = 10000; int i, closest = 0, second = 0;
2616 for(i=0; i<nrOfSeekAds; i++) {
2617 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2618 if(d < dist) { dist = d; closest = i; }
2619 second += (d - zList[i] < 120); // count in-range ads
2620 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2624 second = (second > 1);
2625 if(displayed != closest || second != lastSecond) {
2626 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2627 lastSecond = second; displayed = closest;
2629 if(click == Press) {
2630 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2633 } // on press 'hit', only show info
2634 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2635 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2636 SendToICS(ics_prefix);
2638 return TRUE; // let incoming board of started game pop down the graph
2639 } else if(click == Release) { // release 'miss' is ignored
2640 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2641 if(moving == 2) { // right up-click
2642 nrOfSeekAds = 0; // refresh graph
2643 soughtPending = TRUE;
2644 SendToICS(ics_prefix);
2645 SendToICS("sought\n"); // should this be "sought all"?
2648 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2649 // press miss or release hit 'pop down' seek graph
2650 seekGraphUp = FALSE;
2651 DrawPosition(TRUE, NULL);
2657 read_from_ics(isr, closure, data, count, error)
2664 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2665 #define STARTED_NONE 0
2666 #define STARTED_MOVES 1
2667 #define STARTED_BOARD 2
2668 #define STARTED_OBSERVE 3
2669 #define STARTED_HOLDINGS 4
2670 #define STARTED_CHATTER 5
2671 #define STARTED_COMMENT 6
2672 #define STARTED_MOVES_NOHIDE 7
2674 static int started = STARTED_NONE;
2675 static char parse[20000];
2676 static int parse_pos = 0;
2677 static char buf[BUF_SIZE + 1];
2678 static int firstTime = TRUE, intfSet = FALSE;
2679 static ColorClass prevColor = ColorNormal;
2680 static int savingComment = FALSE;
2681 static int cmatch = 0; // continuation sequence match
2688 int backup; /* [DM] For zippy color lines */
2690 char talker[MSG_SIZ]; // [HGM] chat
2693 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2695 if (appData.debugMode) {
2697 fprintf(debugFP, "<ICS: ");
2698 show_bytes(debugFP, data, count);
2699 fprintf(debugFP, "\n");
2703 if (appData.debugMode) { int f = forwardMostMove;
2704 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2705 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2706 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2709 /* If last read ended with a partial line that we couldn't parse,
2710 prepend it to the new read and try again. */
2711 if (leftover_len > 0) {
2712 for (i=0; i<leftover_len; i++)
2713 buf[i] = buf[leftover_start + i];
2716 /* copy new characters into the buffer */
2717 bp = buf + leftover_len;
2718 buf_len=leftover_len;
2719 for (i=0; i<count; i++)
2722 if (data[i] == '\r')
2725 // join lines split by ICS?
2726 if (!appData.noJoin)
2729 Joining just consists of finding matches against the
2730 continuation sequence, and discarding that sequence
2731 if found instead of copying it. So, until a match
2732 fails, there's nothing to do since it might be the
2733 complete sequence, and thus, something we don't want
2736 if (data[i] == cont_seq[cmatch])
2739 if (cmatch == strlen(cont_seq))
2741 cmatch = 0; // complete match. just reset the counter
2744 it's possible for the ICS to not include the space
2745 at the end of the last word, making our [correct]
2746 join operation fuse two separate words. the server
2747 does this when the space occurs at the width setting.
2749 if (!buf_len || buf[buf_len-1] != ' ')
2760 match failed, so we have to copy what matched before
2761 falling through and copying this character. In reality,
2762 this will only ever be just the newline character, but
2763 it doesn't hurt to be precise.
2765 strncpy(bp, cont_seq, cmatch);
2777 buf[buf_len] = NULLCHAR;
2778 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2783 while (i < buf_len) {
2784 /* Deal with part of the TELNET option negotiation
2785 protocol. We refuse to do anything beyond the
2786 defaults, except that we allow the WILL ECHO option,
2787 which ICS uses to turn off password echoing when we are
2788 directly connected to it. We reject this option
2789 if localLineEditing mode is on (always on in xboard)
2790 and we are talking to port 23, which might be a real
2791 telnet server that will try to keep WILL ECHO on permanently.
2793 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2794 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2795 unsigned char option;
2797 switch ((unsigned char) buf[++i]) {
2799 if (appData.debugMode)
2800 fprintf(debugFP, "\n<WILL ");
2801 switch (option = (unsigned char) buf[++i]) {
2803 if (appData.debugMode)
2804 fprintf(debugFP, "ECHO ");
2805 /* Reply only if this is a change, according
2806 to the protocol rules. */
2807 if (remoteEchoOption) break;
2808 if (appData.localLineEditing &&
2809 atoi(appData.icsPort) == TN_PORT) {
2810 TelnetRequest(TN_DONT, TN_ECHO);
2813 TelnetRequest(TN_DO, TN_ECHO);
2814 remoteEchoOption = TRUE;
2818 if (appData.debugMode)
2819 fprintf(debugFP, "%d ", option);
2820 /* Whatever this is, we don't want it. */
2821 TelnetRequest(TN_DONT, option);
2826 if (appData.debugMode)
2827 fprintf(debugFP, "\n<WONT ");
2828 switch (option = (unsigned char) buf[++i]) {
2830 if (appData.debugMode)
2831 fprintf(debugFP, "ECHO ");
2832 /* Reply only if this is a change, according
2833 to the protocol rules. */
2834 if (!remoteEchoOption) break;
2836 TelnetRequest(TN_DONT, TN_ECHO);
2837 remoteEchoOption = FALSE;
2840 if (appData.debugMode)
2841 fprintf(debugFP, "%d ", (unsigned char) option);
2842 /* Whatever this is, it must already be turned
2843 off, because we never agree to turn on
2844 anything non-default, so according to the
2845 protocol rules, we don't reply. */
2850 if (appData.debugMode)
2851 fprintf(debugFP, "\n<DO ");
2852 switch (option = (unsigned char) buf[++i]) {
2854 /* Whatever this is, we refuse to do it. */
2855 if (appData.debugMode)
2856 fprintf(debugFP, "%d ", option);
2857 TelnetRequest(TN_WONT, option);
2862 if (appData.debugMode)
2863 fprintf(debugFP, "\n<DONT ");
2864 switch (option = (unsigned char) buf[++i]) {
2866 if (appData.debugMode)
2867 fprintf(debugFP, "%d ", option);
2868 /* Whatever this is, we are already not doing
2869 it, because we never agree to do anything
2870 non-default, so according to the protocol
2871 rules, we don't reply. */
2876 if (appData.debugMode)
2877 fprintf(debugFP, "\n<IAC ");
2878 /* Doubled IAC; pass it through */
2882 if (appData.debugMode)
2883 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2884 /* Drop all other telnet commands on the floor */
2887 if (oldi > next_out)
2888 SendToPlayer(&buf[next_out], oldi - next_out);
2894 /* OK, this at least will *usually* work */
2895 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2899 if (loggedOn && !intfSet) {
2900 if (ics_type == ICS_ICC) {
2901 snprintf(str, MSG_SIZ,
2902 "/set-quietly interface %s\n/set-quietly style 12\n",
2904 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2905 strcat(str, "/set-2 51 1\n/set seek 1\n");
2906 } else if (ics_type == ICS_CHESSNET) {
2907 snprintf(str, MSG_SIZ, "/style 12\n");
2909 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2910 strcat(str, programVersion);
2911 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2912 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2913 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2915 strcat(str, "$iset nohighlight 1\n");
2917 strcat(str, "$iset lock 1\n$style 12\n");
2920 NotifyFrontendLogin();
2924 if (started == STARTED_COMMENT) {
2925 /* Accumulate characters in comment */
2926 parse[parse_pos++] = buf[i];
2927 if (buf[i] == '\n') {
2928 parse[parse_pos] = NULLCHAR;
2929 if(chattingPartner>=0) {
2931 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2932 OutputChatMessage(chattingPartner, mess);
2933 chattingPartner = -1;
2934 next_out = i+1; // [HGM] suppress printing in ICS window
2936 if(!suppressKibitz) // [HGM] kibitz
2937 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2938 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2939 int nrDigit = 0, nrAlph = 0, j;
2940 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2941 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2942 parse[parse_pos] = NULLCHAR;
2943 // try to be smart: if it does not look like search info, it should go to
2944 // ICS interaction window after all, not to engine-output window.
2945 for(j=0; j<parse_pos; j++) { // count letters and digits
2946 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2947 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2948 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2950 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2951 int depth=0; float score;
2952 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2953 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2954 pvInfoList[forwardMostMove-1].depth = depth;
2955 pvInfoList[forwardMostMove-1].score = 100*score;
2957 OutputKibitz(suppressKibitz, parse);
2960 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2961 SendToPlayer(tmp, strlen(tmp));
2963 next_out = i+1; // [HGM] suppress printing in ICS window
2965 started = STARTED_NONE;
2967 /* Don't match patterns against characters in comment */
2972 if (started == STARTED_CHATTER) {
2973 if (buf[i] != '\n') {
2974 /* Don't match patterns against characters in chatter */
2978 started = STARTED_NONE;
2979 if(suppressKibitz) next_out = i+1;
2982 /* Kludge to deal with rcmd protocol */
2983 if (firstTime && looking_at(buf, &i, "\001*")) {
2984 DisplayFatalError(&buf[1], 0, 1);
2990 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2993 if (appData.debugMode)
2994 fprintf(debugFP, "ics_type %d\n", ics_type);
2997 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2998 ics_type = ICS_FICS;
3000 if (appData.debugMode)
3001 fprintf(debugFP, "ics_type %d\n", ics_type);
3004 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3005 ics_type = ICS_CHESSNET;
3007 if (appData.debugMode)
3008 fprintf(debugFP, "ics_type %d\n", ics_type);
3013 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3014 looking_at(buf, &i, "Logging you in as \"*\"") ||
3015 looking_at(buf, &i, "will be \"*\""))) {
3016 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3020 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3022 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3023 DisplayIcsInteractionTitle(buf);
3024 have_set_title = TRUE;
3027 /* skip finger notes */
3028 if (started == STARTED_NONE &&
3029 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3030 (buf[i] == '1' && buf[i+1] == '0')) &&
3031 buf[i+2] == ':' && buf[i+3] == ' ') {
3032 started = STARTED_CHATTER;
3038 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3039 if(appData.seekGraph) {
3040 if(soughtPending && MatchSoughtLine(buf+i)) {
3041 i = strstr(buf+i, "rated") - buf;
3042 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3043 next_out = leftover_start = i;
3044 started = STARTED_CHATTER;
3045 suppressKibitz = TRUE;
3048 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3049 && looking_at(buf, &i, "* ads displayed")) {
3050 soughtPending = FALSE;
3055 if(appData.autoRefresh) {
3056 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3057 int s = (ics_type == ICS_ICC); // ICC format differs
3059 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3060 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3061 looking_at(buf, &i, "*% "); // eat prompt
3062 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3063 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3064 next_out = i; // suppress
3067 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3068 char *p = star_match[0];
3070 if(seekGraphUp) RemoveSeekAd(atoi(p));
3071 while(*p && *p++ != ' '); // next
3073 looking_at(buf, &i, "*% "); // eat prompt
3074 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3081 /* skip formula vars */
3082 if (started == STARTED_NONE &&
3083 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3084 started = STARTED_CHATTER;
3089 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3090 if (appData.autoKibitz && started == STARTED_NONE &&
3091 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3092 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3093 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3094 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3095 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3096 suppressKibitz = TRUE;
3097 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3099 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3100 && (gameMode == IcsPlayingWhite)) ||
3101 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3102 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3103 started = STARTED_CHATTER; // own kibitz we simply discard
3105 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3106 parse_pos = 0; parse[0] = NULLCHAR;
3107 savingComment = TRUE;
3108 suppressKibitz = gameMode != IcsObserving ? 2 :
3109 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3113 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3114 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3115 && atoi(star_match[0])) {
3116 // suppress the acknowledgements of our own autoKibitz
3118 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3119 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3120 SendToPlayer(star_match[0], strlen(star_match[0]));
3121 if(looking_at(buf, &i, "*% ")) // eat prompt
3122 suppressKibitz = FALSE;
3126 } // [HGM] kibitz: end of patch
3128 // [HGM] chat: intercept tells by users for which we have an open chat window
3130 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3131 looking_at(buf, &i, "* whispers:") ||
3132 looking_at(buf, &i, "* kibitzes:") ||
3133 looking_at(buf, &i, "* shouts:") ||
3134 looking_at(buf, &i, "* c-shouts:") ||
3135 looking_at(buf, &i, "--> * ") ||
3136 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3137 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3138 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3139 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3141 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3142 chattingPartner = -1;
3144 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3145 for(p=0; p<MAX_CHAT; p++) {
3146 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3147 talker[0] = '['; strcat(talker, "] ");
3148 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3149 chattingPartner = p; break;
3152 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3153 for(p=0; p<MAX_CHAT; p++) {
3154 if(!strcmp("kibitzes", chatPartner[p])) {
3155 talker[0] = '['; strcat(talker, "] ");
3156 chattingPartner = p; break;
3159 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3160 for(p=0; p<MAX_CHAT; p++) {
3161 if(!strcmp("whispers", chatPartner[p])) {
3162 talker[0] = '['; strcat(talker, "] ");
3163 chattingPartner = p; break;
3166 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3167 if(buf[i-8] == '-' && buf[i-3] == 't')
3168 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3169 if(!strcmp("c-shouts", chatPartner[p])) {
3170 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3171 chattingPartner = p; break;
3174 if(chattingPartner < 0)
3175 for(p=0; p<MAX_CHAT; p++) {
3176 if(!strcmp("shouts", chatPartner[p])) {
3177 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3178 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3179 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3180 chattingPartner = p; break;
3184 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3185 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3186 talker[0] = 0; Colorize(ColorTell, FALSE);
3187 chattingPartner = p; break;
3189 if(chattingPartner<0) i = oldi; else {
3190 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3191 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3192 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3193 started = STARTED_COMMENT;
3194 parse_pos = 0; parse[0] = NULLCHAR;
3195 savingComment = 3 + chattingPartner; // counts as TRUE
3196 suppressKibitz = TRUE;
3199 } // [HGM] chat: end of patch
3202 if (appData.zippyTalk || appData.zippyPlay) {
3203 /* [DM] Backup address for color zippy lines */
3205 if (loggedOn == TRUE)
3206 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3207 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3209 } // [DM] 'else { ' deleted
3211 /* Regular tells and says */
3212 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3213 looking_at(buf, &i, "* (your partner) tells you: ") ||
3214 looking_at(buf, &i, "* says: ") ||
3215 /* Don't color "message" or "messages" output */
3216 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3217 looking_at(buf, &i, "*. * at *:*: ") ||
3218 looking_at(buf, &i, "--* (*:*): ") ||
3219 /* Message notifications (same color as tells) */
3220 looking_at(buf, &i, "* has left a message ") ||
3221 looking_at(buf, &i, "* just sent you a message:\n") ||
3222 /* Whispers and kibitzes */
3223 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3224 looking_at(buf, &i, "* kibitzes: ") ||
3226 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3228 if (tkind == 1 && strchr(star_match[0], ':')) {
3229 /* Avoid "tells you:" spoofs in channels */
3232 if (star_match[0][0] == NULLCHAR ||
3233 strchr(star_match[0], ' ') ||
3234 (tkind == 3 && strchr(star_match[1], ' '))) {
3235 /* Reject bogus matches */
3238 if (appData.colorize) {
3239 if (oldi > next_out) {
3240 SendToPlayer(&buf[next_out], oldi - next_out);
3245 Colorize(ColorTell, FALSE);
3246 curColor = ColorTell;
3249 Colorize(ColorKibitz, FALSE);
3250 curColor = ColorKibitz;
3253 p = strrchr(star_match[1], '(');
3260 Colorize(ColorChannel1, FALSE);
3261 curColor = ColorChannel1;
3263 Colorize(ColorChannel, FALSE);
3264 curColor = ColorChannel;
3268 curColor = ColorNormal;
3272 if (started == STARTED_NONE && appData.autoComment &&
3273 (gameMode == IcsObserving ||
3274 gameMode == IcsPlayingWhite ||
3275 gameMode == IcsPlayingBlack)) {
3276 parse_pos = i - oldi;
3277 memcpy(parse, &buf[oldi], parse_pos);
3278 parse[parse_pos] = NULLCHAR;
3279 started = STARTED_COMMENT;
3280 savingComment = TRUE;
3282 started = STARTED_CHATTER;
3283 savingComment = FALSE;
3290 if (looking_at(buf, &i, "* s-shouts: ") ||
3291 looking_at(buf, &i, "* c-shouts: ")) {
3292 if (appData.colorize) {
3293 if (oldi > next_out) {
3294 SendToPlayer(&buf[next_out], oldi - next_out);
3297 Colorize(ColorSShout, FALSE);
3298 curColor = ColorSShout;
3301 started = STARTED_CHATTER;
3305 if (looking_at(buf, &i, "--->")) {
3310 if (looking_at(buf, &i, "* shouts: ") ||
3311 looking_at(buf, &i, "--> ")) {
3312 if (appData.colorize) {
3313 if (oldi > next_out) {
3314 SendToPlayer(&buf[next_out], oldi - next_out);
3317 Colorize(ColorShout, FALSE);
3318 curColor = ColorShout;
3321 started = STARTED_CHATTER;
3325 if (looking_at( buf, &i, "Challenge:")) {
3326 if (appData.colorize) {
3327 if (oldi > next_out) {
3328 SendToPlayer(&buf[next_out], oldi - next_out);
3331 Colorize(ColorChallenge, FALSE);
3332 curColor = ColorChallenge;
3338 if (looking_at(buf, &i, "* offers you") ||
3339 looking_at(buf, &i, "* offers to be") ||
3340 looking_at(buf, &i, "* would like to") ||
3341 looking_at(buf, &i, "* requests to") ||
3342 looking_at(buf, &i, "Your opponent offers") ||
3343 looking_at(buf, &i, "Your opponent requests")) {
3345 if (appData.colorize) {
3346 if (oldi > next_out) {
3347 SendToPlayer(&buf[next_out], oldi - next_out);
3350 Colorize(ColorRequest, FALSE);
3351 curColor = ColorRequest;
3356 if (looking_at(buf, &i, "* (*) seeking")) {
3357 if (appData.colorize) {
3358 if (oldi > next_out) {
3359 SendToPlayer(&buf[next_out], oldi - next_out);
3362 Colorize(ColorSeek, FALSE);
3363 curColor = ColorSeek;
3368 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3370 if (looking_at(buf, &i, "\\ ")) {
3371 if (prevColor != ColorNormal) {
3372 if (oldi > next_out) {
3373 SendToPlayer(&buf[next_out], oldi - next_out);
3376 Colorize(prevColor, TRUE);
3377 curColor = prevColor;
3379 if (savingComment) {
3380 parse_pos = i - oldi;
3381 memcpy(parse, &buf[oldi], parse_pos);
3382 parse[parse_pos] = NULLCHAR;
3383 started = STARTED_COMMENT;
3384 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3385 chattingPartner = savingComment - 3; // kludge to remember the box
3387 started = STARTED_CHATTER;
3392 if (looking_at(buf, &i, "Black Strength :") ||
3393 looking_at(buf, &i, "<<< style 10 board >>>") ||
3394 looking_at(buf, &i, "<10>") ||
3395 looking_at(buf, &i, "#@#")) {
3396 /* Wrong board style */
3398 SendToICS(ics_prefix);
3399 SendToICS("set style 12\n");
3400 SendToICS(ics_prefix);
3401 SendToICS("refresh\n");
3405 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3407 have_sent_ICS_logon = 1;
3411 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3412 (looking_at(buf, &i, "\n<12> ") ||
3413 looking_at(buf, &i, "<12> "))) {
3415 if (oldi > next_out) {
3416 SendToPlayer(&buf[next_out], oldi - next_out);
3419 started = STARTED_BOARD;
3424 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3425 looking_at(buf, &i, "<b1> ")) {
3426 if (oldi > next_out) {
3427 SendToPlayer(&buf[next_out], oldi - next_out);
3430 started = STARTED_HOLDINGS;
3435 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3437 /* Header for a move list -- first line */
3439 switch (ics_getting_history) {
3443 case BeginningOfGame:
3444 /* User typed "moves" or "oldmoves" while we
3445 were idle. Pretend we asked for these
3446 moves and soak them up so user can step
3447 through them and/or save them.
3450 gameMode = IcsObserving;
3453 ics_getting_history = H_GOT_UNREQ_HEADER;
3455 case EditGame: /*?*/
3456 case EditPosition: /*?*/
3457 /* Should above feature work in these modes too? */
3458 /* For now it doesn't */
3459 ics_getting_history = H_GOT_UNWANTED_HEADER;
3462 ics_getting_history = H_GOT_UNWANTED_HEADER;
3467 /* Is this the right one? */
3468 if (gameInfo.white && gameInfo.black &&
3469 strcmp(gameInfo.white, star_match[0]) == 0 &&
3470 strcmp(gameInfo.black, star_match[2]) == 0) {
3472 ics_getting_history = H_GOT_REQ_HEADER;
3475 case H_GOT_REQ_HEADER:
3476 case H_GOT_UNREQ_HEADER:
3477 case H_GOT_UNWANTED_HEADER:
3478 case H_GETTING_MOVES:
3479 /* Should not happen */
3480 DisplayError(_("Error gathering move list: two headers"), 0);
3481 ics_getting_history = H_FALSE;
3485 /* Save player ratings into gameInfo if needed */
3486 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3487 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3488 (gameInfo.whiteRating == -1 ||
3489 gameInfo.blackRating == -1)) {
3491 gameInfo.whiteRating = string_to_rating(star_match[1]);
3492 gameInfo.blackRating = string_to_rating(star_match[3]);
3493 if (appData.debugMode)
3494 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3495 gameInfo.whiteRating, gameInfo.blackRating);
3500 if (looking_at(buf, &i,
3501 "* * match, initial time: * minute*, increment: * second")) {
3502 /* Header for a move list -- second line */
3503 /* Initial board will follow if this is a wild game */
3504 if (gameInfo.event != NULL) free(gameInfo.event);
3505 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3506 gameInfo.event = StrSave(str);
3507 /* [HGM] we switched variant. Translate boards if needed. */
3508 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3512 if (looking_at(buf, &i, "Move ")) {
3513 /* Beginning of a move list */
3514 switch (ics_getting_history) {
3516 /* Normally should not happen */
3517 /* Maybe user hit reset while we were parsing */
3520 /* Happens if we are ignoring a move list that is not
3521 * the one we just requested. Common if the user
3522 * tries to observe two games without turning off
3525 case H_GETTING_MOVES:
3526 /* Should not happen */
3527 DisplayError(_("Error gathering move list: nested"), 0);
3528 ics_getting_history = H_FALSE;
3530 case H_GOT_REQ_HEADER:
3531 ics_getting_history = H_GETTING_MOVES;
3532 started = STARTED_MOVES;
3534 if (oldi > next_out) {
3535 SendToPlayer(&buf[next_out], oldi - next_out);
3538 case H_GOT_UNREQ_HEADER:
3539 ics_getting_history = H_GETTING_MOVES;
3540 started = STARTED_MOVES_NOHIDE;
3543 case H_GOT_UNWANTED_HEADER:
3544 ics_getting_history = H_FALSE;
3550 if (looking_at(buf, &i, "% ") ||
3551 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3552 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3553 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3554 soughtPending = FALSE;
3558 if(suppressKibitz) next_out = i;
3559 savingComment = FALSE;
3563 case STARTED_MOVES_NOHIDE:
3564 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3565 parse[parse_pos + i - oldi] = NULLCHAR;
3566 ParseGameHistory(parse);
3568 if (appData.zippyPlay && first.initDone) {
3569 FeedMovesToProgram(&first, forwardMostMove);
3570 if (gameMode == IcsPlayingWhite) {
3571 if (WhiteOnMove(forwardMostMove)) {
3572 if (first.sendTime) {
3573 if (first.useColors) {
3574 SendToProgram("black\n", &first);
3576 SendTimeRemaining(&first, TRUE);
3578 if (first.useColors) {
3579 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3581 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3582 first.maybeThinking = TRUE;
3584 if (first.usePlayother) {
3585 if (first.sendTime) {
3586 SendTimeRemaining(&first, TRUE);
3588 SendToProgram("playother\n", &first);
3594 } else if (gameMode == IcsPlayingBlack) {
3595 if (!WhiteOnMove(forwardMostMove)) {
3596 if (first.sendTime) {
3597 if (first.useColors) {
3598 SendToProgram("white\n", &first);
3600 SendTimeRemaining(&first, FALSE);
3602 if (first.useColors) {
3603 SendToProgram("black\n", &first);
3605 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3606 first.maybeThinking = TRUE;
3608 if (first.usePlayother) {
3609 if (first.sendTime) {
3610 SendTimeRemaining(&first, FALSE);
3612 SendToProgram("playother\n", &first);
3621 if (gameMode == IcsObserving && ics_gamenum == -1) {
3622 /* Moves came from oldmoves or moves command
3623 while we weren't doing anything else.
3625 currentMove = forwardMostMove;
3626 ClearHighlights();/*!!could figure this out*/
3627 flipView = appData.flipView;
3628 DrawPosition(TRUE, boards[currentMove]);
3629 DisplayBothClocks();
3630 snprintf(str, MSG_SIZ, "%s vs. %s",
3631 gameInfo.white, gameInfo.black);
3635 /* Moves were history of an active game */
3636 if (gameInfo.resultDetails != NULL) {
3637 free(gameInfo.resultDetails);
3638 gameInfo.resultDetails = NULL;
3641 HistorySet(parseList, backwardMostMove,
3642 forwardMostMove, currentMove-1);
3643 DisplayMove(currentMove - 1);
3644 if (started == STARTED_MOVES) next_out = i;
3645 started = STARTED_NONE;
3646 ics_getting_history = H_FALSE;
3649 case STARTED_OBSERVE:
3650 started = STARTED_NONE;
3651 SendToICS(ics_prefix);
3652 SendToICS("refresh\n");
3658 if(bookHit) { // [HGM] book: simulate book reply
3659 static char bookMove[MSG_SIZ]; // a bit generous?
3661 programStats.nodes = programStats.depth = programStats.time =
3662 programStats.score = programStats.got_only_move = 0;
3663 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3665 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3666 strcat(bookMove, bookHit);
3667 HandleMachineMove(bookMove, &first);
3672 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3673 started == STARTED_HOLDINGS ||
3674 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3675 /* Accumulate characters in move list or board */
3676 parse[parse_pos++] = buf[i];
3679 /* Start of game messages. Mostly we detect start of game
3680 when the first board image arrives. On some versions
3681 of the ICS, though, we need to do a "refresh" after starting
3682 to observe in order to get the current board right away. */
3683 if (looking_at(buf, &i, "Adding game * to observation list")) {
3684 started = STARTED_OBSERVE;
3688 /* Handle auto-observe */
3689 if (appData.autoObserve &&
3690 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3691 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3693 /* Choose the player that was highlighted, if any. */
3694 if (star_match[0][0] == '\033' ||
3695 star_match[1][0] != '\033') {
3696 player = star_match[0];
3698 player = star_match[2];
3700 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3701 ics_prefix, StripHighlightAndTitle(player));
3704 /* Save ratings from notify string */
3705 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3706 player1Rating = string_to_rating(star_match[1]);
3707 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3708 player2Rating = string_to_rating(star_match[3]);
3710 if (appData.debugMode)
3712 "Ratings from 'Game notification:' %s %d, %s %d\n",
3713 player1Name, player1Rating,
3714 player2Name, player2Rating);
3719 /* Deal with automatic examine mode after a game,
3720 and with IcsObserving -> IcsExamining transition */
3721 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3722 looking_at(buf, &i, "has made you an examiner of game *")) {
3724 int gamenum = atoi(star_match[0]);
3725 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3726 gamenum == ics_gamenum) {
3727 /* We were already playing or observing this game;
3728 no need to refetch history */
3729 gameMode = IcsExamining;
3731 pauseExamForwardMostMove = forwardMostMove;
3732 } else if (currentMove < forwardMostMove) {
3733 ForwardInner(forwardMostMove);
3736 /* I don't think this case really can happen */
3737 SendToICS(ics_prefix);
3738 SendToICS("refresh\n");
3743 /* Error messages */
3744 // if (ics_user_moved) {
3745 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3746 if (looking_at(buf, &i, "Illegal move") ||
3747 looking_at(buf, &i, "Not a legal move") ||
3748 looking_at(buf, &i, "Your king is in check") ||
3749 looking_at(buf, &i, "It isn't your turn") ||
3750 looking_at(buf, &i, "It is not your move")) {
3752 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3753 currentMove = forwardMostMove-1;
3754 DisplayMove(currentMove - 1); /* before DMError */
3755 DrawPosition(FALSE, boards[currentMove]);
3756 SwitchClocks(forwardMostMove-1); // [HGM] race
3757 DisplayBothClocks();
3759 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3765 if (looking_at(buf, &i, "still have time") ||
3766 looking_at(buf, &i, "not out of time") ||
3767 looking_at(buf, &i, "either player is out of time") ||
3768 looking_at(buf, &i, "has timeseal; checking")) {
3769 /* We must have called his flag a little too soon */
3770 whiteFlag = blackFlag = FALSE;
3774 if (looking_at(buf, &i, "added * seconds to") ||
3775 looking_at(buf, &i, "seconds were added to")) {
3776 /* Update the clocks */
3777 SendToICS(ics_prefix);
3778 SendToICS("refresh\n");
3782 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3783 ics_clock_paused = TRUE;
3788 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3789 ics_clock_paused = FALSE;
3794 /* Grab player ratings from the Creating: message.
3795 Note we have to check for the special case when
3796 the ICS inserts things like [white] or [black]. */
3797 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3798 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3800 0 player 1 name (not necessarily white)
3802 2 empty, white, or black (IGNORED)
3803 3 player 2 name (not necessarily black)
3806 The names/ratings are sorted out when the game
3807 actually starts (below).
3809 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3810 player1Rating = string_to_rating(star_match[1]);
3811 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3812 player2Rating = string_to_rating(star_match[4]);
3814 if (appData.debugMode)
3816 "Ratings from 'Creating:' %s %d, %s %d\n",
3817 player1Name, player1Rating,
3818 player2Name, player2Rating);
3823 /* Improved generic start/end-of-game messages */
3824 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3825 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3826 /* If tkind == 0: */
3827 /* star_match[0] is the game number */
3828 /* [1] is the white player's name */
3829 /* [2] is the black player's name */
3830 /* For end-of-game: */
3831 /* [3] is the reason for the game end */
3832 /* [4] is a PGN end game-token, preceded by " " */
3833 /* For start-of-game: */
3834 /* [3] begins with "Creating" or "Continuing" */
3835 /* [4] is " *" or empty (don't care). */
3836 int gamenum = atoi(star_match[0]);
3837 char *whitename, *blackname, *why, *endtoken;
3838 ChessMove endtype = EndOfFile;
3841 whitename = star_match[1];
3842 blackname = star_match[2];
3843 why = star_match[3];
3844 endtoken = star_match[4];
3846 whitename = star_match[1];
3847 blackname = star_match[3];
3848 why = star_match[5];
3849 endtoken = star_match[6];
3852 /* Game start messages */
3853 if (strncmp(why, "Creating ", 9) == 0 ||
3854 strncmp(why, "Continuing ", 11) == 0) {
3855 gs_gamenum = gamenum;
3856 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3857 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3859 if (appData.zippyPlay) {
3860 ZippyGameStart(whitename, blackname);
3863 partnerBoardValid = FALSE; // [HGM] bughouse
3867 /* Game end messages */
3868 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3869 ics_gamenum != gamenum) {
3872 while (endtoken[0] == ' ') endtoken++;
3873 switch (endtoken[0]) {
3876 endtype = GameUnfinished;
3879 endtype = BlackWins;
3882 if (endtoken[1] == '/')
3883 endtype = GameIsDrawn;
3885 endtype = WhiteWins;
3888 GameEnds(endtype, why, GE_ICS);
3890 if (appData.zippyPlay && first.initDone) {
3891 ZippyGameEnd(endtype, why);
3892 if (first.pr == NULL) {
3893 /* Start the next process early so that we'll
3894 be ready for the next challenge */
3895 StartChessProgram(&first);
3897 /* Send "new" early, in case this command takes
3898 a long time to finish, so that we'll be ready
3899 for the next challenge. */
3900 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3904 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3908 if (looking_at(buf, &i, "Removing game * from observation") ||
3909 looking_at(buf, &i, "no longer observing game *") ||
3910 looking_at(buf, &i, "Game * (*) has no examiners")) {
3911 if (gameMode == IcsObserving &&
3912 atoi(star_match[0]) == ics_gamenum)
3914 /* icsEngineAnalyze */
3915 if (appData.icsEngineAnalyze) {
3922 ics_user_moved = FALSE;
3927 if (looking_at(buf, &i, "no longer examining game *")) {
3928 if (gameMode == IcsExamining &&
3929 atoi(star_match[0]) == ics_gamenum)
3933 ics_user_moved = FALSE;
3938 /* Advance leftover_start past any newlines we find,
3939 so only partial lines can get reparsed */
3940 if (looking_at(buf, &i, "\n")) {
3941 prevColor = curColor;
3942 if (curColor != ColorNormal) {
3943 if (oldi > next_out) {
3944 SendToPlayer(&buf[next_out], oldi - next_out);
3947 Colorize(ColorNormal, FALSE);
3948 curColor = ColorNormal;
3950 if (started == STARTED_BOARD) {
3951 started = STARTED_NONE;
3952 parse[parse_pos] = NULLCHAR;
3953 ParseBoard12(parse);
3956 /* Send premove here */
3957 if (appData.premove) {
3959 if (currentMove == 0 &&
3960 gameMode == IcsPlayingWhite &&
3961 appData.premoveWhite) {
3962 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3963 if (appData.debugMode)
3964 fprintf(debugFP, "Sending premove:\n");
3966 } else if (currentMove == 1 &&
3967 gameMode == IcsPlayingBlack &&
3968 appData.premoveBlack) {
3969 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3970 if (appData.debugMode)
3971 fprintf(debugFP, "Sending premove:\n");
3973 } else if (gotPremove) {
3975 ClearPremoveHighlights();
3976 if (appData.debugMode)
3977 fprintf(debugFP, "Sending premove:\n");
3978 UserMoveEvent(premoveFromX, premoveFromY,
3979 premoveToX, premoveToY,
3984 /* Usually suppress following prompt */
3985 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3986 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3987 if (looking_at(buf, &i, "*% ")) {
3988 savingComment = FALSE;
3993 } else if (started == STARTED_HOLDINGS) {
3995 char new_piece[MSG_SIZ];
3996 started = STARTED_NONE;
3997 parse[parse_pos] = NULLCHAR;
3998 if (appData.debugMode)
3999 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4000 parse, currentMove);
4001 if (sscanf(parse, " game %d", &gamenum) == 1) {
4002 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4003 if (gameInfo.variant == VariantNormal) {
4004 /* [HGM] We seem to switch variant during a game!
4005 * Presumably no holdings were displayed, so we have
4006 * to move the position two files to the right to
4007 * create room for them!
4009 VariantClass newVariant;
4010 switch(gameInfo.boardWidth) { // base guess on board width
4011 case 9: newVariant = VariantShogi; break;
4012 case 10: newVariant = VariantGreat; break;
4013 default: newVariant = VariantCrazyhouse; break;
4015 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4016 /* Get a move list just to see the header, which
4017 will tell us whether this is really bug or zh */
4018 if (ics_getting_history == H_FALSE) {
4019 ics_getting_history = H_REQUESTED;
4020 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4024 new_piece[0] = NULLCHAR;
4025 sscanf(parse, "game %d white [%s black [%s <- %s",
4026 &gamenum, white_holding, black_holding,
4028 white_holding[strlen(white_holding)-1] = NULLCHAR;
4029 black_holding[strlen(black_holding)-1] = NULLCHAR;
4030 /* [HGM] copy holdings to board holdings area */
4031 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4032 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4033 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4035 if (appData.zippyPlay && first.initDone) {
4036 ZippyHoldings(white_holding, black_holding,
4040 if (tinyLayout || smallLayout) {
4041 char wh[16], bh[16];
4042 PackHolding(wh, white_holding);
4043 PackHolding(bh, black_holding);
4044 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4045 gameInfo.white, gameInfo.black);
4047 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4048 gameInfo.white, white_holding,
4049 gameInfo.black, black_holding);
4051 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4052 DrawPosition(FALSE, boards[currentMove]);
4054 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4055 sscanf(parse, "game %d white [%s black [%s <- %s",
4056 &gamenum, white_holding, black_holding,
4058 white_holding[strlen(white_holding)-1] = NULLCHAR;
4059 black_holding[strlen(black_holding)-1] = NULLCHAR;
4060 /* [HGM] copy holdings to partner-board holdings area */
4061 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4062 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4063 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4064 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4065 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4068 /* Suppress following prompt */
4069 if (looking_at(buf, &i, "*% ")) {
4070 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4071 savingComment = FALSE;
4079 i++; /* skip unparsed character and loop back */
4082 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4083 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4084 // SendToPlayer(&buf[next_out], i - next_out);
4085 started != STARTED_HOLDINGS && leftover_start > next_out) {
4086 SendToPlayer(&buf[next_out], leftover_start - next_out);
4090 leftover_len = buf_len - leftover_start;
4091 /* if buffer ends with something we couldn't parse,
4092 reparse it after appending the next read */
4094 } else if (count == 0) {
4095 RemoveInputSource(isr);
4096 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4098 DisplayFatalError(_("Error reading from ICS"), error, 1);
4103 /* Board style 12 looks like this:
4105 <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
4107 * The "<12> " is stripped before it gets to this routine. The two
4108 * trailing 0's (flip state and clock ticking) are later addition, and
4109 * some chess servers may not have them, or may have only the first.
4110 * Additional trailing fields may be added in the future.
4113 #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"
4115 #define RELATION_OBSERVING_PLAYED 0
4116 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4117 #define RELATION_PLAYING_MYMOVE 1
4118 #define RELATION_PLAYING_NOTMYMOVE -1
4119 #define RELATION_EXAMINING 2
4120 #define RELATION_ISOLATED_BOARD -3
4121 #define RELATION_STARTING_POSITION -4 /* FICS only */
4124 ParseBoard12(string)
4127 GameMode newGameMode;
4128 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4129 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4130 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4131 char to_play, board_chars[200];
4132 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4133 char black[32], white[32];
4135 int prevMove = currentMove;
4138 int fromX, fromY, toX, toY;
4140 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4141 char *bookHit = NULL; // [HGM] book
4142 Boolean weird = FALSE, reqFlag = FALSE;
4144 fromX = fromY = toX = toY = -1;
4148 if (appData.debugMode)
4149 fprintf(debugFP, _("Parsing board: %s\n"), string);
4151 move_str[0] = NULLCHAR;
4152 elapsed_time[0] = NULLCHAR;
4153 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4155 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4156 if(string[i] == ' ') { ranks++; files = 0; }
4158 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4161 for(j = 0; j <i; j++) board_chars[j] = string[j];
4162 board_chars[i] = '\0';
4165 n = sscanf(string, PATTERN, &to_play, &double_push,
4166 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4167 &gamenum, white, black, &relation, &basetime, &increment,
4168 &white_stren, &black_stren, &white_time, &black_time,
4169 &moveNum, str, elapsed_time, move_str, &ics_flip,
4173 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4174 DisplayError(str, 0);
4178 /* Convert the move number to internal form */
4179 moveNum = (moveNum - 1) * 2;
4180 if (to_play == 'B') moveNum++;
4181 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4182 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4188 case RELATION_OBSERVING_PLAYED:
4189 case RELATION_OBSERVING_STATIC:
4190 if (gamenum == -1) {
4191 /* Old ICC buglet */
4192 relation = RELATION_OBSERVING_STATIC;
4194 newGameMode = IcsObserving;
4196 case RELATION_PLAYING_MYMOVE:
4197 case RELATION_PLAYING_NOTMYMOVE:
4199 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4200 IcsPlayingWhite : IcsPlayingBlack;
4202 case RELATION_EXAMINING:
4203 newGameMode = IcsExamining;
4205 case RELATION_ISOLATED_BOARD:
4207 /* Just display this board. If user was doing something else,
4208 we will forget about it until the next board comes. */
4209 newGameMode = IcsIdle;
4211 case RELATION_STARTING_POSITION:
4212 newGameMode = gameMode;
4216 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4217 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4218 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4220 for (k = 0; k < ranks; k++) {
4221 for (j = 0; j < files; j++)
4222 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4223 if(gameInfo.holdingsWidth > 1) {
4224 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4225 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4228 CopyBoard(partnerBoard, board);
4229 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4230 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4231 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4232 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4233 if(toSqr = strchr(str, '-')) {
4234 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4235 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4236 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4237 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4238 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4239 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4240 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4241 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4242 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4243 DisplayMessage(partnerStatus, "");
4244 partnerBoardValid = TRUE;
4248 /* Modify behavior for initial board display on move listing
4251 switch (ics_getting_history) {
4255 case H_GOT_REQ_HEADER:
4256 case H_GOT_UNREQ_HEADER:
4257 /* This is the initial position of the current game */
4258 gamenum = ics_gamenum;
4259 moveNum = 0; /* old ICS bug workaround */
4260 if (to_play == 'B') {
4261 startedFromSetupPosition = TRUE;
4262 blackPlaysFirst = TRUE;
4264 if (forwardMostMove == 0) forwardMostMove = 1;
4265 if (backwardMostMove == 0) backwardMostMove = 1;
4266 if (currentMove == 0) currentMove = 1;
4268 newGameMode = gameMode;
4269 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4271 case H_GOT_UNWANTED_HEADER:
4272 /* This is an initial board that we don't want */
4274 case H_GETTING_MOVES:
4275 /* Should not happen */
4276 DisplayError(_("Error gathering move list: extra board"), 0);
4277 ics_getting_history = H_FALSE;
4281 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4282 weird && (int)gameInfo.variant < (int)VariantShogi) {
4283 /* [HGM] We seem to have switched variant unexpectedly
4284 * Try to guess new variant from board size
4286 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4287 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4288 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4289 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4290 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4291 if(!weird) newVariant = VariantNormal;
4292 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4293 /* Get a move list just to see the header, which
4294 will tell us whether this is really bug or zh */
4295 if (ics_getting_history == H_FALSE) {
4296 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4297 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4302 /* Take action if this is the first board of a new game, or of a
4303 different game than is currently being displayed. */
4304 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4305 relation == RELATION_ISOLATED_BOARD) {
4307 /* Forget the old game and get the history (if any) of the new one */
4308 if (gameMode != BeginningOfGame) {
4312 if (appData.autoRaiseBoard) BoardToTop();
4314 if (gamenum == -1) {
4315 newGameMode = IcsIdle;
4316 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4317 appData.getMoveList && !reqFlag) {
4318 /* Need to get game history */
4319 ics_getting_history = H_REQUESTED;
4320 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4324 /* Initially flip the board to have black on the bottom if playing
4325 black or if the ICS flip flag is set, but let the user change
4326 it with the Flip View button. */
4327 flipView = appData.autoFlipView ?
4328 (newGameMode == IcsPlayingBlack) || ics_flip :
4331 /* Done with values from previous mode; copy in new ones */
4332 gameMode = newGameMode;
4334 ics_gamenum = gamenum;
4335 if (gamenum == gs_gamenum) {
4336 int klen = strlen(gs_kind);
4337 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4338 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4339 gameInfo.event = StrSave(str);
4341 gameInfo.event = StrSave("ICS game");
4343 gameInfo.site = StrSave(appData.icsHost);
4344 gameInfo.date = PGNDate();
4345 gameInfo.round = StrSave("-");
4346 gameInfo.white = StrSave(white);
4347 gameInfo.black = StrSave(black);
4348 timeControl = basetime * 60 * 1000;
4350 timeIncrement = increment * 1000;
4351 movesPerSession = 0;
4352 gameInfo.timeControl = TimeControlTagValue();
4353 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4354 if (appData.debugMode) {
4355 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4356 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4357 setbuf(debugFP, NULL);
4360 gameInfo.outOfBook = NULL;
4362 /* Do we have the ratings? */
4363 if (strcmp(player1Name, white) == 0 &&
4364 strcmp(player2Name, black) == 0) {
4365 if (appData.debugMode)
4366 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4367 player1Rating, player2Rating);
4368 gameInfo.whiteRating = player1Rating;
4369 gameInfo.blackRating = player2Rating;
4370 } else if (strcmp(player2Name, white) == 0 &&
4371 strcmp(player1Name, black) == 0) {
4372 if (appData.debugMode)
4373 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4374 player2Rating, player1Rating);
4375 gameInfo.whiteRating = player2Rating;
4376 gameInfo.blackRating = player1Rating;
4378 player1Name[0] = player2Name[0] = NULLCHAR;
4380 /* Silence shouts if requested */
4381 if (appData.quietPlay &&
4382 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4383 SendToICS(ics_prefix);
4384 SendToICS("set shout 0\n");
4388 /* Deal with midgame name changes */
4390 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4391 if (gameInfo.white) free(gameInfo.white);
4392 gameInfo.white = StrSave(white);
4394 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4395 if (gameInfo.black) free(gameInfo.black);
4396 gameInfo.black = StrSave(black);
4400 /* Throw away game result if anything actually changes in examine mode */
4401 if (gameMode == IcsExamining && !newGame) {
4402 gameInfo.result = GameUnfinished;
4403 if (gameInfo.resultDetails != NULL) {
4404 free(gameInfo.resultDetails);
4405 gameInfo.resultDetails = NULL;
4409 /* In pausing && IcsExamining mode, we ignore boards coming
4410 in if they are in a different variation than we are. */
4411 if (pauseExamInvalid) return;
4412 if (pausing && gameMode == IcsExamining) {
4413 if (moveNum <= pauseExamForwardMostMove) {
4414 pauseExamInvalid = TRUE;
4415 forwardMostMove = pauseExamForwardMostMove;
4420 if (appData.debugMode) {
4421 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4423 /* Parse the board */
4424 for (k = 0; k < ranks; k++) {
4425 for (j = 0; j < files; j++)
4426 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4427 if(gameInfo.holdingsWidth > 1) {
4428 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4429 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4432 CopyBoard(boards[moveNum], board);
4433 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4435 startedFromSetupPosition =
4436 !CompareBoards(board, initialPosition);
4437 if(startedFromSetupPosition)
4438 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4441 /* [HGM] Set castling rights. Take the outermost Rooks,
4442 to make it also work for FRC opening positions. Note that board12
4443 is really defective for later FRC positions, as it has no way to
4444 indicate which Rook can castle if they are on the same side of King.
4445 For the initial position we grant rights to the outermost Rooks,
4446 and remember thos rights, and we then copy them on positions
4447 later in an FRC game. This means WB might not recognize castlings with
4448 Rooks that have moved back to their original position as illegal,
4449 but in ICS mode that is not its job anyway.
4451 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4452 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4454 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4455 if(board[0][i] == WhiteRook) j = i;
4456 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4457 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4458 if(board[0][i] == WhiteRook) j = i;
4459 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4460 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4461 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4462 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4463 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4464 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4465 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4467 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4468 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4469 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4470 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4471 if(board[BOARD_HEIGHT-1][k] == bKing)
4472 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4473 if(gameInfo.variant == VariantTwoKings) {
4474 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4475 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4476 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4479 r = boards[moveNum][CASTLING][0] = initialRights[0];
4480 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4481 r = boards[moveNum][CASTLING][1] = initialRights[1];
4482 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4483 r = boards[moveNum][CASTLING][3] = initialRights[3];
4484 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4485 r = boards[moveNum][CASTLING][4] = initialRights[4];
4486 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4487 /* wildcastle kludge: always assume King has rights */
4488 r = boards[moveNum][CASTLING][2] = initialRights[2];
4489 r = boards[moveNum][CASTLING][5] = initialRights[5];
4491 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4492 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4495 if (ics_getting_history == H_GOT_REQ_HEADER ||
4496 ics_getting_history == H_GOT_UNREQ_HEADER) {
4497 /* This was an initial position from a move list, not
4498 the current position */
4502 /* Update currentMove and known move number limits */
4503 newMove = newGame || moveNum > forwardMostMove;
4506 forwardMostMove = backwardMostMove = currentMove = moveNum;
4507 if (gameMode == IcsExamining && moveNum == 0) {
4508 /* Workaround for ICS limitation: we are not told the wild
4509 type when starting to examine a game. But if we ask for
4510 the move list, the move list header will tell us */
4511 ics_getting_history = H_REQUESTED;
4512 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4515 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4516 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4518 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4519 /* [HGM] applied this also to an engine that is silently watching */
4520 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4521 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4522 gameInfo.variant == currentlyInitializedVariant) {
4523 takeback = forwardMostMove - moveNum;
4524 for (i = 0; i < takeback; i++) {
4525 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4526 SendToProgram("undo\n", &first);
4531 forwardMostMove = moveNum;
4532 if (!pausing || currentMove > forwardMostMove)
4533 currentMove = forwardMostMove;
4535 /* New part of history that is not contiguous with old part */
4536 if (pausing && gameMode == IcsExamining) {
4537 pauseExamInvalid = TRUE;
4538 forwardMostMove = pauseExamForwardMostMove;
4541 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4543 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4544 // [HGM] when we will receive the move list we now request, it will be
4545 // fed to the engine from the first move on. So if the engine is not
4546 // in the initial position now, bring it there.
4547 InitChessProgram(&first, 0);
4550 ics_getting_history = H_REQUESTED;
4551 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4554 forwardMostMove = backwardMostMove = currentMove = moveNum;
4557 /* Update the clocks */
4558 if (strchr(elapsed_time, '.')) {
4560 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4561 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4563 /* Time is in seconds */
4564 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4565 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4570 if (appData.zippyPlay && newGame &&
4571 gameMode != IcsObserving && gameMode != IcsIdle &&
4572 gameMode != IcsExamining)
4573 ZippyFirstBoard(moveNum, basetime, increment);
4576 /* Put the move on the move list, first converting
4577 to canonical algebraic form. */
4579 if (appData.debugMode) {
4580 if (appData.debugMode) { int f = forwardMostMove;
4581 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4582 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4583 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4585 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4586 fprintf(debugFP, "moveNum = %d\n", moveNum);
4587 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4588 setbuf(debugFP, NULL);
4590 if (moveNum <= backwardMostMove) {
4591 /* We don't know what the board looked like before
4593 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4594 strcat(parseList[moveNum - 1], " ");
4595 strcat(parseList[moveNum - 1], elapsed_time);
4596 moveList[moveNum - 1][0] = NULLCHAR;
4597 } else if (strcmp(move_str, "none") == 0) {
4598 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4599 /* Again, we don't know what the board looked like;
4600 this is really the start of the game. */
4601 parseList[moveNum - 1][0] = NULLCHAR;
4602 moveList[moveNum - 1][0] = NULLCHAR;
4603 backwardMostMove = moveNum;
4604 startedFromSetupPosition = TRUE;
4605 fromX = fromY = toX = toY = -1;
4607 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4608 // So we parse the long-algebraic move string in stead of the SAN move
4609 int valid; char buf[MSG_SIZ], *prom;
4611 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4612 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4613 // str looks something like "Q/a1-a2"; kill the slash
4615 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4616 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4617 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4618 strcat(buf, prom); // long move lacks promo specification!
4619 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4620 if(appData.debugMode)
4621 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4622 safeStrCpy(move_str, buf, MSG_SIZ);
4624 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4625 &fromX, &fromY, &toX, &toY, &promoChar)
4626 || ParseOneMove(buf, moveNum - 1, &moveType,
4627 &fromX, &fromY, &toX, &toY, &promoChar);
4628 // end of long SAN patch
4630 (void) CoordsToAlgebraic(boards[moveNum - 1],
4631 PosFlags(moveNum - 1),
4632 fromY, fromX, toY, toX, promoChar,
4633 parseList[moveNum-1]);
4634 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4640 if(gameInfo.variant != VariantShogi)
4641 strcat(parseList[moveNum - 1], "+");
4644 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4645 strcat(parseList[moveNum - 1], "#");
4648 strcat(parseList[moveNum - 1], " ");
4649 strcat(parseList[moveNum - 1], elapsed_time);
4650 /* currentMoveString is set as a side-effect of ParseOneMove */
4651 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4652 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4653 strcat(moveList[moveNum - 1], "\n");
4655 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4656 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4657 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4658 ChessSquare old, new = boards[moveNum][k][j];
4659 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4660 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4661 if(old == new) continue;
4662 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4663 else if(new == WhiteWazir || new == BlackWazir) {
4664 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4665 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4666 else boards[moveNum][k][j] = old; // preserve type of Gold
4667 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4668 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4671 /* Move from ICS was illegal!? Punt. */
4672 if (appData.debugMode) {
4673 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4674 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4676 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4677 strcat(parseList[moveNum - 1], " ");
4678 strcat(parseList[moveNum - 1], elapsed_time);
4679 moveList[moveNum - 1][0] = NULLCHAR;
4680 fromX = fromY = toX = toY = -1;
4683 if (appData.debugMode) {
4684 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4685 setbuf(debugFP, NULL);
4689 /* Send move to chess program (BEFORE animating it). */
4690 if (appData.zippyPlay && !newGame && newMove &&
4691 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4693 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4694 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4695 if (moveList[moveNum - 1][0] == NULLCHAR) {
4696 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4698 DisplayError(str, 0);
4700 if (first.sendTime) {
4701 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4703 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4704 if (firstMove && !bookHit) {
4706 if (first.useColors) {
4707 SendToProgram(gameMode == IcsPlayingWhite ?
4709 "black\ngo\n", &first);
4711 SendToProgram("go\n", &first);
4713 first.maybeThinking = TRUE;
4716 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4717 if (moveList[moveNum - 1][0] == NULLCHAR) {
4718 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4719 DisplayError(str, 0);
4721 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4722 SendMoveToProgram(moveNum - 1, &first);
4729 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4730 /* If move comes from a remote source, animate it. If it
4731 isn't remote, it will have already been animated. */
4732 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4733 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4735 if (!pausing && appData.highlightLastMove) {
4736 SetHighlights(fromX, fromY, toX, toY);
4740 /* Start the clocks */
4741 whiteFlag = blackFlag = FALSE;
4742 appData.clockMode = !(basetime == 0 && increment == 0);
4744 ics_clock_paused = TRUE;
4746 } else if (ticking == 1) {
4747 ics_clock_paused = FALSE;
4749 if (gameMode == IcsIdle ||
4750 relation == RELATION_OBSERVING_STATIC ||
4751 relation == RELATION_EXAMINING ||
4753 DisplayBothClocks();
4757 /* Display opponents and material strengths */
4758 if (gameInfo.variant != VariantBughouse &&
4759 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4760 if (tinyLayout || smallLayout) {
4761 if(gameInfo.variant == VariantNormal)
4762 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4763 gameInfo.white, white_stren, gameInfo.black, black_stren,
4764 basetime, increment);
4766 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4767 gameInfo.white, white_stren, gameInfo.black, black_stren,
4768 basetime, increment, (int) gameInfo.variant);
4770 if(gameInfo.variant == VariantNormal)
4771 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4772 gameInfo.white, white_stren, gameInfo.black, black_stren,
4773 basetime, increment);
4775 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4776 gameInfo.white, white_stren, gameInfo.black, black_stren,
4777 basetime, increment, VariantName(gameInfo.variant));
4780 if (appData.debugMode) {
4781 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4786 /* Display the board */
4787 if (!pausing && !appData.noGUI) {
4789 if (appData.premove)
4791 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4792 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4793 ClearPremoveHighlights();
4795 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4796 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4797 DrawPosition(j, boards[currentMove]);
4799 DisplayMove(moveNum - 1);
4800 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4801 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4802 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4803 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4807 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4809 if(bookHit) { // [HGM] book: simulate book reply
4810 static char bookMove[MSG_SIZ]; // a bit generous?
4812 programStats.nodes = programStats.depth = programStats.time =
4813 programStats.score = programStats.got_only_move = 0;
4814 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4816 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4817 strcat(bookMove, bookHit);
4818 HandleMachineMove(bookMove, &first);
4827 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4828 ics_getting_history = H_REQUESTED;
4829 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4835 AnalysisPeriodicEvent(force)
4838 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4839 && !force) || !appData.periodicUpdates)
4842 /* Send . command to Crafty to collect stats */
4843 SendToProgram(".\n", &first);
4845 /* Don't send another until we get a response (this makes
4846 us stop sending to old Crafty's which don't understand
4847 the "." command (sending illegal cmds resets node count & time,
4848 which looks bad)) */
4849 programStats.ok_to_send = 0;
4852 void ics_update_width(new_width)
4855 ics_printf("set width %d\n", new_width);
4859 SendMoveToProgram(moveNum, cps)
4861 ChessProgramState *cps;
4865 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4866 // null move in variant where engine does not understand it (for analysis purposes)
4867 SendBoard(cps, moveNum + 1); // send position after move in stead.
4870 if (cps->useUsermove) {
4871 SendToProgram("usermove ", cps);
4875 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4876 int len = space - parseList[moveNum];
4877 memcpy(buf, parseList[moveNum], len);
4879 buf[len] = NULLCHAR;
4881 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4883 SendToProgram(buf, cps);
4885 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4886 AlphaRank(moveList[moveNum], 4);
4887 SendToProgram(moveList[moveNum], cps);
4888 AlphaRank(moveList[moveNum], 4); // and back
4890 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4891 * the engine. It would be nice to have a better way to identify castle
4893 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4894 && cps->useOOCastle) {
4895 int fromX = moveList[moveNum][0] - AAA;
4896 int fromY = moveList[moveNum][1] - ONE;
4897 int toX = moveList[moveNum][2] - AAA;
4898 int toY = moveList[moveNum][3] - ONE;
4899 if((boards[moveNum][fromY][fromX] == WhiteKing
4900 && boards[moveNum][toY][toX] == WhiteRook)
4901 || (boards[moveNum][fromY][fromX] == BlackKing
4902 && boards[moveNum][toY][toX] == BlackRook)) {
4903 if(toX > fromX) SendToProgram("O-O\n", cps);
4904 else SendToProgram("O-O-O\n", cps);
4906 else SendToProgram(moveList[moveNum], cps);
4908 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4909 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4910 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4911 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4912 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4914 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4915 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4916 SendToProgram(buf, cps);
4918 else SendToProgram(moveList[moveNum], cps);
4919 /* End of additions by Tord */
4922 /* [HGM] setting up the opening has brought engine in force mode! */
4923 /* Send 'go' if we are in a mode where machine should play. */
4924 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4925 (gameMode == TwoMachinesPlay ||
4927 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4929 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4930 SendToProgram("go\n", cps);
4931 if (appData.debugMode) {
4932 fprintf(debugFP, "(extra)\n");
4935 setboardSpoiledMachineBlack = 0;
4939 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4941 int fromX, fromY, toX, toY;
4944 char user_move[MSG_SIZ];
4948 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4949 (int)moveType, fromX, fromY, toX, toY);
4950 DisplayError(user_move + strlen("say "), 0);
4952 case WhiteKingSideCastle:
4953 case BlackKingSideCastle:
4954 case WhiteQueenSideCastleWild:
4955 case BlackQueenSideCastleWild:
4957 case WhiteHSideCastleFR:
4958 case BlackHSideCastleFR:
4960 snprintf(user_move, MSG_SIZ, "o-o\n");
4962 case WhiteQueenSideCastle:
4963 case BlackQueenSideCastle:
4964 case WhiteKingSideCastleWild:
4965 case BlackKingSideCastleWild:
4967 case WhiteASideCastleFR:
4968 case BlackASideCastleFR:
4970 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4972 case WhiteNonPromotion:
4973 case BlackNonPromotion:
4974 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4976 case WhitePromotion:
4977 case BlackPromotion:
4978 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4979 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4980 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4981 PieceToChar(WhiteFerz));
4982 else if(gameInfo.variant == VariantGreat)
4983 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4984 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4985 PieceToChar(WhiteMan));
4987 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4988 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4994 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4995 ToUpper(PieceToChar((ChessSquare) fromX)),
4996 AAA + toX, ONE + toY);
4998 case IllegalMove: /* could be a variant we don't quite understand */
4999 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5001 case WhiteCapturesEnPassant:
5002 case BlackCapturesEnPassant:
5003 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5004 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5007 SendToICS(user_move);
5008 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5009 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5014 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5015 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5016 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5017 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5018 DisplayError("You cannot do this while you are playing or observing", 0);
5021 if(gameMode != IcsExamining) { // is this ever not the case?
5022 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5024 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5025 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5026 } else { // on FICS we must first go to general examine mode
5027 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5029 if(gameInfo.variant != VariantNormal) {
5030 // try figure out wild number, as xboard names are not always valid on ICS
5031 for(i=1; i<=36; i++) {
5032 snprintf(buf, MSG_SIZ, "wild/%d", i);
5033 if(StringToVariant(buf) == gameInfo.variant) break;
5035 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5036 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5037 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5038 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5039 SendToICS(ics_prefix);
5041 if(startedFromSetupPosition || backwardMostMove != 0) {
5042 fen = PositionToFEN(backwardMostMove, NULL);
5043 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5044 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5046 } else { // FICS: everything has to set by separate bsetup commands
5047 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5048 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5050 if(!WhiteOnMove(backwardMostMove)) {
5051 SendToICS("bsetup tomove black\n");
5053 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5054 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5056 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5057 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5059 i = boards[backwardMostMove][EP_STATUS];
5060 if(i >= 0) { // set e.p.
5061 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5067 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5068 SendToICS("bsetup done\n"); // switch to normal examining.
5070 for(i = backwardMostMove; i<last; i++) {
5072 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5075 SendToICS(ics_prefix);
5076 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5080 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5085 if (rf == DROP_RANK) {
5086 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5087 sprintf(move, "%c@%c%c\n",
5088 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5090 if (promoChar == 'x' || promoChar == NULLCHAR) {
5091 sprintf(move, "%c%c%c%c\n",
5092 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5094 sprintf(move, "%c%c%c%c%c\n",
5095 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5101 ProcessICSInitScript(f)
5106 while (fgets(buf, MSG_SIZ, f)) {
5107 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5114 static int lastX, lastY, selectFlag, dragging;
5119 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5120 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5121 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5122 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5123 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5124 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5127 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5128 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5129 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5130 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5132 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5133 appData.testLegality && (promoSweep == king ||
5134 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5135 ChangeDragPiece(promoSweep);
5138 int PromoScroll(int x, int y)
5142 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5143 if(abs(x - lastX) < 15 && abs(y - lastY) < 15) return FALSE;
5144 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5145 if(!step) return FALSE;
5146 lastX = x; lastY = y;
5147 if((promoSweep < BlackPawn) == flipView) step = -step;
5148 if(step > 0) selectFlag = 1;
5149 if(!selectFlag) Sweep(step);
5156 ChessSquare piece = boards[currentMove][toY][toX];
5159 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5160 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5161 if(!step) step = -1;
5162 } while(PieceToChar(pieceSweep) == '.');
5163 boards[currentMove][toY][toX] = pieceSweep;
5164 DrawPosition(FALSE, boards[currentMove]);
5165 boards[currentMove][toY][toX] = piece;
5167 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5169 AlphaRank(char *move, int n)
5171 // char *p = move, c; int x, y;
5173 if (appData.debugMode) {
5174 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5178 move[2]>='0' && move[2]<='9' &&
5179 move[3]>='a' && move[3]<='x' ) {
5181 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5182 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5184 if(move[0]>='0' && move[0]<='9' &&
5185 move[1]>='a' && move[1]<='x' &&
5186 move[2]>='0' && move[2]<='9' &&
5187 move[3]>='a' && move[3]<='x' ) {
5188 /* input move, Shogi -> normal */
5189 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5190 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5191 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5192 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5195 move[3]>='0' && move[3]<='9' &&
5196 move[2]>='a' && move[2]<='x' ) {
5198 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5199 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5202 move[0]>='a' && move[0]<='x' &&
5203 move[3]>='0' && move[3]<='9' &&
5204 move[2]>='a' && move[2]<='x' ) {
5205 /* output move, normal -> Shogi */
5206 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5207 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5208 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5209 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5210 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5212 if (appData.debugMode) {
5213 fprintf(debugFP, " out = '%s'\n", move);
5217 char yy_textstr[8000];
5219 /* Parser for moves from gnuchess, ICS, or user typein box */
5221 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5224 ChessMove *moveType;
5225 int *fromX, *fromY, *toX, *toY;
5228 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5230 switch (*moveType) {
5231 case WhitePromotion:
5232 case BlackPromotion:
5233 case WhiteNonPromotion:
5234 case BlackNonPromotion:
5236 case WhiteCapturesEnPassant:
5237 case BlackCapturesEnPassant:
5238 case WhiteKingSideCastle:
5239 case WhiteQueenSideCastle:
5240 case BlackKingSideCastle:
5241 case BlackQueenSideCastle:
5242 case WhiteKingSideCastleWild:
5243 case WhiteQueenSideCastleWild:
5244 case BlackKingSideCastleWild:
5245 case BlackQueenSideCastleWild:
5246 /* Code added by Tord: */
5247 case WhiteHSideCastleFR:
5248 case WhiteASideCastleFR:
5249 case BlackHSideCastleFR:
5250 case BlackASideCastleFR:
5251 /* End of code added by Tord */
5252 case IllegalMove: /* bug or odd chess variant */
5253 *fromX = currentMoveString[0] - AAA;
5254 *fromY = currentMoveString[1] - ONE;
5255 *toX = currentMoveString[2] - AAA;
5256 *toY = currentMoveString[3] - ONE;
5257 *promoChar = currentMoveString[4];
5258 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5259 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5260 if (appData.debugMode) {
5261 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5263 *fromX = *fromY = *toX = *toY = 0;
5266 if (appData.testLegality) {
5267 return (*moveType != IllegalMove);
5269 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5270 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5275 *fromX = *moveType == WhiteDrop ?
5276 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5277 (int) CharToPiece(ToLower(currentMoveString[0]));
5279 *toX = currentMoveString[2] - AAA;
5280 *toY = currentMoveString[3] - ONE;
5281 *promoChar = NULLCHAR;
5285 case ImpossibleMove:
5295 if (appData.debugMode) {
5296 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5299 *fromX = *fromY = *toX = *toY = 0;
5300 *promoChar = NULLCHAR;
5305 Boolean pushed = FALSE;
5306 char *lastParseAttempt;
5309 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5310 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5311 int fromX, fromY, toX, toY; char promoChar;
5316 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5317 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5320 endPV = forwardMostMove;
5322 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5323 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5324 lastParseAttempt = pv;
5325 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5326 if(appData.debugMode){
5327 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
5329 if(!valid && nr == 0 &&
5330 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5331 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5332 // Hande case where played move is different from leading PV move
5333 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5334 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5335 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5336 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5337 endPV += 2; // if position different, keep this
5338 moveList[endPV-1][0] = fromX + AAA;
5339 moveList[endPV-1][1] = fromY + ONE;
5340 moveList[endPV-1][2] = toX + AAA;
5341 moveList[endPV-1][3] = toY + ONE;
5342 parseList[endPV-1][0] = NULLCHAR;
5343 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5346 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5347 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5348 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5349 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5350 valid++; // allow comments in PV
5354 if(endPV+1 > framePtr) break; // no space, truncate
5357 CopyBoard(boards[endPV], boards[endPV-1]);
5358 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5359 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5360 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5361 CoordsToAlgebraic(boards[endPV - 1],
5362 PosFlags(endPV - 1),
5363 fromY, fromX, toY, toX, promoChar,
5364 parseList[endPV - 1]);
5366 if(atEnd == 2) return; // used hidden, for PV conversion
5367 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5368 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5369 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5370 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5371 DrawPosition(TRUE, boards[currentMove]);
5375 MultiPV(ChessProgramState *cps)
5376 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5378 for(i=0; i<cps->nrOptions; i++)
5379 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5385 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5387 int startPV, multi, lineStart, origIndex = index;
5388 char *p, buf2[MSG_SIZ];
5390 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5391 lastX = x; lastY = y;
5392 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5393 lineStart = startPV = index;
5394 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5395 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5397 do{ while(buf[index] && buf[index] != '\n') index++;
5398 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5400 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5401 int n = first.option[multi].value;
5402 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5403 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5404 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5405 first.option[multi].value = n;
5409 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5410 *start = startPV; *end = index-1;
5417 static char buf[10*MSG_SIZ];
5418 int i, k=0, savedEnd=endPV;
5420 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5421 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5422 for(i = forwardMostMove; i<endPV; i++){
5423 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5424 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5427 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5428 if(forwardMostMove < savedEnd) PopInner(0);
5434 LoadPV(int x, int y)
5435 { // called on right mouse click to load PV
5436 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5437 lastX = x; lastY = y;
5438 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5445 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5446 if(endPV < 0) return;
5448 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5449 Boolean saveAnimate = appData.animate;
5451 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5452 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5453 } else storedGames--; // abandon shelved tail of original game
5456 forwardMostMove = currentMove;
5457 currentMove = oldFMM;
5458 appData.animate = FALSE;
5459 ToNrEvent(forwardMostMove);
5460 appData.animate = saveAnimate;
5462 currentMove = forwardMostMove;
5463 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5464 ClearPremoveHighlights();
5465 DrawPosition(TRUE, boards[currentMove]);
5469 MovePV(int x, int y, int h)
5470 { // step through PV based on mouse coordinates (called on mouse move)
5471 int margin = h>>3, step = 0;
5473 // we must somehow check if right button is still down (might be released off board!)
5474 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5475 if(abs(x - lastX) < 7 && abs(y - lastY) < 7) return;
5476 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5478 lastX = x; lastY = y;
5480 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5481 if(endPV < 0) return;
5482 if(y < margin) step = 1; else
5483 if(y > h - margin) step = -1;
5484 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5485 currentMove += step;
5486 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5487 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5488 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5489 DrawPosition(FALSE, boards[currentMove]);
5493 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5494 // All positions will have equal probability, but the current method will not provide a unique
5495 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5501 int piecesLeft[(int)BlackPawn];
5502 int seed, nrOfShuffles;
5504 void GetPositionNumber()
5505 { // sets global variable seed
5508 seed = appData.defaultFrcPosition;
5509 if(seed < 0) { // randomize based on time for negative FRC position numbers
5510 for(i=0; i<50; i++) seed += random();
5511 seed = random() ^ random() >> 8 ^ random() << 8;
5512 if(seed<0) seed = -seed;
5516 int put(Board board, int pieceType, int rank, int n, int shade)
5517 // put the piece on the (n-1)-th empty squares of the given shade
5521 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5522 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5523 board[rank][i] = (ChessSquare) pieceType;
5524 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5526 piecesLeft[pieceType]--;
5534 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5535 // calculate where the next piece goes, (any empty square), and put it there
5539 i = seed % squaresLeft[shade];
5540 nrOfShuffles *= squaresLeft[shade];
5541 seed /= squaresLeft[shade];
5542 put(board, pieceType, rank, i, shade);
5545 void AddTwoPieces(Board board, int pieceType, int rank)
5546 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5548 int i, n=squaresLeft[ANY], j=n-1, k;
5550 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5551 i = seed % k; // pick one
5554 while(i >= j) i -= j--;
5555 j = n - 1 - j; i += j;
5556 put(board, pieceType, rank, j, ANY);
5557 put(board, pieceType, rank, i, ANY);
5560 void SetUpShuffle(Board board, int number)
5564 GetPositionNumber(); nrOfShuffles = 1;
5566 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5567 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5568 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5570 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5572 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5573 p = (int) board[0][i];
5574 if(p < (int) BlackPawn) piecesLeft[p] ++;
5575 board[0][i] = EmptySquare;
5578 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5579 // shuffles restricted to allow normal castling put KRR first
5580 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5581 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5582 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5583 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5584 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5585 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5586 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5587 put(board, WhiteRook, 0, 0, ANY);
5588 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5591 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5592 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5593 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5594 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5595 while(piecesLeft[p] >= 2) {
5596 AddOnePiece(board, p, 0, LITE);
5597 AddOnePiece(board, p, 0, DARK);
5599 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5602 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5603 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5604 // but we leave King and Rooks for last, to possibly obey FRC restriction
5605 if(p == (int)WhiteRook) continue;
5606 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5607 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5610 // now everything is placed, except perhaps King (Unicorn) and Rooks
5612 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5613 // Last King gets castling rights
5614 while(piecesLeft[(int)WhiteUnicorn]) {
5615 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5616 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5619 while(piecesLeft[(int)WhiteKing]) {
5620 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5621 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5626 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5627 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5630 // Only Rooks can be left; simply place them all
5631 while(piecesLeft[(int)WhiteRook]) {
5632 i = put(board, WhiteRook, 0, 0, ANY);
5633 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5636 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5638 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5641 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5642 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5645 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5648 int SetCharTable( char *table, const char * map )
5649 /* [HGM] moved here from winboard.c because of its general usefulness */
5650 /* Basically a safe strcpy that uses the last character as King */
5652 int result = FALSE; int NrPieces;
5654 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5655 && NrPieces >= 12 && !(NrPieces&1)) {
5656 int i; /* [HGM] Accept even length from 12 to 34 */
5658 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5659 for( i=0; i<NrPieces/2-1; i++ ) {
5661 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5663 table[(int) WhiteKing] = map[NrPieces/2-1];
5664 table[(int) BlackKing] = map[NrPieces-1];
5672 void Prelude(Board board)
5673 { // [HGM] superchess: random selection of exo-pieces
5674 int i, j, k; ChessSquare p;
5675 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5677 GetPositionNumber(); // use FRC position number
5679 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5680 SetCharTable(pieceToChar, appData.pieceToCharTable);
5681 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5682 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5685 j = seed%4; seed /= 4;
5686 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5687 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5688 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5689 j = seed%3 + (seed%3 >= j); seed /= 3;
5690 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5691 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5692 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5693 j = seed%3; seed /= 3;
5694 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5695 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5696 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5697 j = seed%2 + (seed%2 >= j); seed /= 2;
5698 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5699 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5700 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5701 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5702 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5703 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5704 put(board, exoPieces[0], 0, 0, ANY);
5705 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5709 InitPosition(redraw)
5712 ChessSquare (* pieces)[BOARD_FILES];
5713 int i, j, pawnRow, overrule,
5714 oldx = gameInfo.boardWidth,
5715 oldy = gameInfo.boardHeight,
5716 oldh = gameInfo.holdingsWidth;
5719 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5721 /* [AS] Initialize pv info list [HGM] and game status */
5723 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5724 pvInfoList[i].depth = 0;
5725 boards[i][EP_STATUS] = EP_NONE;
5726 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5729 initialRulePlies = 0; /* 50-move counter start */
5731 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5732 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5736 /* [HGM] logic here is completely changed. In stead of full positions */
5737 /* the initialized data only consist of the two backranks. The switch */
5738 /* selects which one we will use, which is than copied to the Board */
5739 /* initialPosition, which for the rest is initialized by Pawns and */
5740 /* empty squares. This initial position is then copied to boards[0], */
5741 /* possibly after shuffling, so that it remains available. */
5743 gameInfo.holdingsWidth = 0; /* default board sizes */
5744 gameInfo.boardWidth = 8;
5745 gameInfo.boardHeight = 8;
5746 gameInfo.holdingsSize = 0;
5747 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5748 for(i=0; i<BOARD_FILES-2; i++)
5749 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5750 initialPosition[EP_STATUS] = EP_NONE;
5751 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5752 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5753 SetCharTable(pieceNickName, appData.pieceNickNames);
5754 else SetCharTable(pieceNickName, "............");
5757 switch (gameInfo.variant) {
5758 case VariantFischeRandom:
5759 shuffleOpenings = TRUE;
5762 case VariantShatranj:
5763 pieces = ShatranjArray;
5764 nrCastlingRights = 0;
5765 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5768 pieces = makrukArray;
5769 nrCastlingRights = 0;
5770 startedFromSetupPosition = TRUE;
5771 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5773 case VariantTwoKings:
5774 pieces = twoKingsArray;
5777 pieces = GrandArray;
5778 nrCastlingRights = 0;
5779 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5780 gameInfo.boardWidth = 10;
5781 gameInfo.boardHeight = 10;
5782 gameInfo.holdingsSize = 7;
5784 case VariantCapaRandom:
5785 shuffleOpenings = TRUE;
5786 case VariantCapablanca:
5787 pieces = CapablancaArray;
5788 gameInfo.boardWidth = 10;
5789 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5792 pieces = GothicArray;
5793 gameInfo.boardWidth = 10;
5794 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5797 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5798 gameInfo.holdingsSize = 7;
5801 pieces = JanusArray;
5802 gameInfo.boardWidth = 10;
5803 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5804 nrCastlingRights = 6;
5805 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5806 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5807 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5808 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5809 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5810 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5813 pieces = FalconArray;
5814 gameInfo.boardWidth = 10;
5815 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5817 case VariantXiangqi:
5818 pieces = XiangqiArray;
5819 gameInfo.boardWidth = 9;
5820 gameInfo.boardHeight = 10;
5821 nrCastlingRights = 0;
5822 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5825 pieces = ShogiArray;
5826 gameInfo.boardWidth = 9;
5827 gameInfo.boardHeight = 9;
5828 gameInfo.holdingsSize = 7;
5829 nrCastlingRights = 0;
5830 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5832 case VariantCourier:
5833 pieces = CourierArray;
5834 gameInfo.boardWidth = 12;
5835 nrCastlingRights = 0;
5836 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5838 case VariantKnightmate:
5839 pieces = KnightmateArray;
5840 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5842 case VariantSpartan:
5843 pieces = SpartanArray;
5844 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5847 pieces = fairyArray;
5848 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5851 pieces = GreatArray;
5852 gameInfo.boardWidth = 10;
5853 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5854 gameInfo.holdingsSize = 8;
5858 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5859 gameInfo.holdingsSize = 8;
5860 startedFromSetupPosition = TRUE;
5862 case VariantCrazyhouse:
5863 case VariantBughouse:
5865 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5866 gameInfo.holdingsSize = 5;
5868 case VariantWildCastle:
5870 /* !!?shuffle with kings guaranteed to be on d or e file */
5871 shuffleOpenings = 1;
5873 case VariantNoCastle:
5875 nrCastlingRights = 0;
5876 /* !!?unconstrained back-rank shuffle */
5877 shuffleOpenings = 1;
5882 if(appData.NrFiles >= 0) {
5883 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5884 gameInfo.boardWidth = appData.NrFiles;
5886 if(appData.NrRanks >= 0) {
5887 gameInfo.boardHeight = appData.NrRanks;
5889 if(appData.holdingsSize >= 0) {
5890 i = appData.holdingsSize;
5891 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5892 gameInfo.holdingsSize = i;
5894 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5895 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5896 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5898 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5899 if(pawnRow < 1) pawnRow = 1;
5900 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5902 /* User pieceToChar list overrules defaults */
5903 if(appData.pieceToCharTable != NULL)
5904 SetCharTable(pieceToChar, appData.pieceToCharTable);
5906 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5908 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5909 s = (ChessSquare) 0; /* account holding counts in guard band */
5910 for( i=0; i<BOARD_HEIGHT; i++ )
5911 initialPosition[i][j] = s;
5913 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5914 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5915 initialPosition[pawnRow][j] = WhitePawn;
5916 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5917 if(gameInfo.variant == VariantXiangqi) {
5919 initialPosition[pawnRow][j] =
5920 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5921 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5922 initialPosition[2][j] = WhiteCannon;
5923 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5927 if(gameInfo.variant == VariantGrand) {
5928 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5929 initialPosition[0][j] = WhiteRook;
5930 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5933 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5935 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5938 initialPosition[1][j] = WhiteBishop;
5939 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5941 initialPosition[1][j] = WhiteRook;
5942 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5945 if( nrCastlingRights == -1) {
5946 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5947 /* This sets default castling rights from none to normal corners */
5948 /* Variants with other castling rights must set them themselves above */
5949 nrCastlingRights = 6;
5951 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5952 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5953 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5954 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5955 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5956 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5959 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5960 if(gameInfo.variant == VariantGreat) { // promotion commoners
5961 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5962 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5963 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5964 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5966 if( gameInfo.variant == VariantSChess ) {
5967 initialPosition[1][0] = BlackMarshall;
5968 initialPosition[2][0] = BlackAngel;
5969 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5970 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5971 initialPosition[1][1] = initialPosition[2][1] =
5972 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5974 if (appData.debugMode) {
5975 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5977 if(shuffleOpenings) {
5978 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5979 startedFromSetupPosition = TRUE;
5981 if(startedFromPositionFile) {
5982 /* [HGM] loadPos: use PositionFile for every new game */
5983 CopyBoard(initialPosition, filePosition);
5984 for(i=0; i<nrCastlingRights; i++)
5985 initialRights[i] = filePosition[CASTLING][i];
5986 startedFromSetupPosition = TRUE;
5989 CopyBoard(boards[0], initialPosition);
5991 if(oldx != gameInfo.boardWidth ||
5992 oldy != gameInfo.boardHeight ||
5993 oldv != gameInfo.variant ||
5994 oldh != gameInfo.holdingsWidth
5996 InitDrawingSizes(-2 ,0);
5998 oldv = gameInfo.variant;
6000 DrawPosition(TRUE, boards[currentMove]);
6004 SendBoard(cps, moveNum)
6005 ChessProgramState *cps;
6008 char message[MSG_SIZ];
6010 if (cps->useSetboard) {
6011 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6012 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6013 SendToProgram(message, cps);
6019 /* Kludge to set black to move, avoiding the troublesome and now
6020 * deprecated "black" command.
6022 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6023 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6025 SendToProgram("edit\n", cps);
6026 SendToProgram("#\n", cps);
6027 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6028 bp = &boards[moveNum][i][BOARD_LEFT];
6029 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6030 if ((int) *bp < (int) BlackPawn) {
6031 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6033 if(message[0] == '+' || message[0] == '~') {
6034 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6035 PieceToChar((ChessSquare)(DEMOTED *bp)),
6038 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6039 message[1] = BOARD_RGHT - 1 - j + '1';
6040 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6042 SendToProgram(message, cps);
6047 SendToProgram("c\n", cps);
6048 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6049 bp = &boards[moveNum][i][BOARD_LEFT];
6050 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6051 if (((int) *bp != (int) EmptySquare)
6052 && ((int) *bp >= (int) BlackPawn)) {
6053 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6055 if(message[0] == '+' || message[0] == '~') {
6056 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6057 PieceToChar((ChessSquare)(DEMOTED *bp)),
6060 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6061 message[1] = BOARD_RGHT - 1 - j + '1';
6062 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6064 SendToProgram(message, cps);
6069 SendToProgram(".\n", cps);
6071 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6075 DefaultPromoChoice(int white)
6078 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6079 result = WhiteFerz; // no choice
6080 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6081 result= WhiteKing; // in Suicide Q is the last thing we want
6082 else if(gameInfo.variant == VariantSpartan)
6083 result = white ? WhiteQueen : WhiteAngel;
6084 else result = WhiteQueen;
6085 if(!white) result = WHITE_TO_BLACK result;
6089 static int autoQueen; // [HGM] oneclick
6092 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6094 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6095 /* [HGM] add Shogi promotions */
6096 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6101 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6102 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6104 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6105 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6108 piece = boards[currentMove][fromY][fromX];
6109 if(gameInfo.variant == VariantShogi) {
6110 promotionZoneSize = BOARD_HEIGHT/3;
6111 highestPromotingPiece = (int)WhiteFerz;
6112 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6113 promotionZoneSize = 3;
6116 // Treat Lance as Pawn when it is not representing Amazon
6117 if(gameInfo.variant != VariantSuper) {
6118 if(piece == WhiteLance) piece = WhitePawn; else
6119 if(piece == BlackLance) piece = BlackPawn;
6122 // next weed out all moves that do not touch the promotion zone at all
6123 if((int)piece >= BlackPawn) {
6124 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6126 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6128 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6129 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6132 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6134 // weed out mandatory Shogi promotions
6135 if(gameInfo.variant == VariantShogi) {
6136 if(piece >= BlackPawn) {
6137 if(toY == 0 && piece == BlackPawn ||
6138 toY == 0 && piece == BlackQueen ||
6139 toY <= 1 && piece == BlackKnight) {
6144 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6145 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6146 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6153 // weed out obviously illegal Pawn moves
6154 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6155 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6156 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6157 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6158 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6159 // note we are not allowed to test for valid (non-)capture, due to premove
6162 // we either have a choice what to promote to, or (in Shogi) whether to promote
6163 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6164 *promoChoice = PieceToChar(BlackFerz); // no choice
6167 // no sense asking what we must promote to if it is going to explode...
6168 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6169 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6172 // give caller the default choice even if we will not make it
6173 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6174 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6175 if( sweepSelect && gameInfo.variant != VariantGreat
6176 && gameInfo.variant != VariantGrand
6177 && gameInfo.variant != VariantSuper) return FALSE;
6178 if(autoQueen) return FALSE; // predetermined
6180 // suppress promotion popup on illegal moves that are not premoves
6181 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6182 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6183 if(appData.testLegality && !premove) {
6184 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6185 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6186 if(moveType != WhitePromotion && moveType != BlackPromotion)
6194 InPalace(row, column)
6196 { /* [HGM] for Xiangqi */
6197 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6198 column < (BOARD_WIDTH + 4)/2 &&
6199 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6204 PieceForSquare (x, y)
6208 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6211 return boards[currentMove][y][x];
6215 OKToStartUserMove(x, y)
6218 ChessSquare from_piece;
6221 if (matchMode) return FALSE;
6222 if (gameMode == EditPosition) return TRUE;
6224 if (x >= 0 && y >= 0)
6225 from_piece = boards[currentMove][y][x];
6227 from_piece = EmptySquare;
6229 if (from_piece == EmptySquare) return FALSE;
6231 white_piece = (int)from_piece >= (int)WhitePawn &&
6232 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6236 case TwoMachinesPlay:
6244 case MachinePlaysWhite:
6245 case IcsPlayingBlack:
6246 if (appData.zippyPlay) return FALSE;
6248 DisplayMoveError(_("You are playing Black"));
6253 case MachinePlaysBlack:
6254 case IcsPlayingWhite:
6255 if (appData.zippyPlay) return FALSE;
6257 DisplayMoveError(_("You are playing White"));
6262 case PlayFromGameFile:
6263 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6265 if (!white_piece && WhiteOnMove(currentMove)) {
6266 DisplayMoveError(_("It is White's turn"));
6269 if (white_piece && !WhiteOnMove(currentMove)) {
6270 DisplayMoveError(_("It is Black's turn"));
6273 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6274 /* Editing correspondence game history */
6275 /* Could disallow this or prompt for confirmation */
6280 case BeginningOfGame:
6281 if (appData.icsActive) return FALSE;
6282 if (!appData.noChessProgram) {
6284 DisplayMoveError(_("You are playing White"));
6291 if (!white_piece && WhiteOnMove(currentMove)) {
6292 DisplayMoveError(_("It is White's turn"));
6295 if (white_piece && !WhiteOnMove(currentMove)) {
6296 DisplayMoveError(_("It is Black's turn"));
6305 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6306 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6307 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6308 && gameMode != AnalyzeFile && gameMode != Training) {
6309 DisplayMoveError(_("Displayed position is not current"));
6316 OnlyMove(int *x, int *y, Boolean captures) {
6317 DisambiguateClosure cl;
6318 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6320 case MachinePlaysBlack:
6321 case IcsPlayingWhite:
6322 case BeginningOfGame:
6323 if(!WhiteOnMove(currentMove)) return FALSE;
6325 case MachinePlaysWhite:
6326 case IcsPlayingBlack:
6327 if(WhiteOnMove(currentMove)) return FALSE;
6334 cl.pieceIn = EmptySquare;
6339 cl.promoCharIn = NULLCHAR;
6340 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6341 if( cl.kind == NormalMove ||
6342 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6343 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6344 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6351 if(cl.kind != ImpossibleMove) return FALSE;
6352 cl.pieceIn = EmptySquare;
6357 cl.promoCharIn = NULLCHAR;
6358 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6359 if( cl.kind == NormalMove ||
6360 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6361 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6362 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6367 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6373 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6374 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6375 int lastLoadGameUseList = FALSE;
6376 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6377 ChessMove lastLoadGameStart = EndOfFile;
6380 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6381 int fromX, fromY, toX, toY;
6385 ChessSquare pdown, pup;
6387 /* Check if the user is playing in turn. This is complicated because we
6388 let the user "pick up" a piece before it is his turn. So the piece he
6389 tried to pick up may have been captured by the time he puts it down!
6390 Therefore we use the color the user is supposed to be playing in this
6391 test, not the color of the piece that is currently on the starting
6392 square---except in EditGame mode, where the user is playing both
6393 sides; fortunately there the capture race can't happen. (It can
6394 now happen in IcsExamining mode, but that's just too bad. The user
6395 will get a somewhat confusing message in that case.)
6400 case TwoMachinesPlay:
6404 /* We switched into a game mode where moves are not accepted,
6405 perhaps while the mouse button was down. */
6408 case MachinePlaysWhite:
6409 /* User is moving for Black */
6410 if (WhiteOnMove(currentMove)) {
6411 DisplayMoveError(_("It is White's turn"));
6416 case MachinePlaysBlack:
6417 /* User is moving for White */
6418 if (!WhiteOnMove(currentMove)) {
6419 DisplayMoveError(_("It is Black's turn"));
6424 case PlayFromGameFile:
6425 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6428 case BeginningOfGame:
6431 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6432 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6433 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6434 /* User is moving for Black */
6435 if (WhiteOnMove(currentMove)) {
6436 DisplayMoveError(_("It is White's turn"));
6440 /* User is moving for White */
6441 if (!WhiteOnMove(currentMove)) {
6442 DisplayMoveError(_("It is Black's turn"));
6448 case IcsPlayingBlack:
6449 /* User is moving for Black */
6450 if (WhiteOnMove(currentMove)) {
6451 if (!appData.premove) {
6452 DisplayMoveError(_("It is White's turn"));
6453 } else if (toX >= 0 && toY >= 0) {
6456 premoveFromX = fromX;
6457 premoveFromY = fromY;
6458 premovePromoChar = promoChar;
6460 if (appData.debugMode)
6461 fprintf(debugFP, "Got premove: fromX %d,"
6462 "fromY %d, toX %d, toY %d\n",
6463 fromX, fromY, toX, toY);
6469 case IcsPlayingWhite:
6470 /* User is moving for White */
6471 if (!WhiteOnMove(currentMove)) {
6472 if (!appData.premove) {
6473 DisplayMoveError(_("It is Black's turn"));
6474 } else if (toX >= 0 && toY >= 0) {
6477 premoveFromX = fromX;
6478 premoveFromY = fromY;
6479 premovePromoChar = promoChar;
6481 if (appData.debugMode)
6482 fprintf(debugFP, "Got premove: fromX %d,"
6483 "fromY %d, toX %d, toY %d\n",
6484 fromX, fromY, toX, toY);
6494 /* EditPosition, empty square, or different color piece;
6495 click-click move is possible */
6496 if (toX == -2 || toY == -2) {
6497 boards[0][fromY][fromX] = EmptySquare;
6498 DrawPosition(FALSE, boards[currentMove]);
6500 } else if (toX >= 0 && toY >= 0) {
6501 boards[0][toY][toX] = boards[0][fromY][fromX];
6502 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6503 if(boards[0][fromY][0] != EmptySquare) {
6504 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6505 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6508 if(fromX == BOARD_RGHT+1) {
6509 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6510 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6511 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6514 boards[0][fromY][fromX] = EmptySquare;
6515 DrawPosition(FALSE, boards[currentMove]);
6521 if(toX < 0 || toY < 0) return;
6522 pdown = boards[currentMove][fromY][fromX];
6523 pup = boards[currentMove][toY][toX];
6525 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6526 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6527 if( pup != EmptySquare ) return;
6528 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6529 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6530 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6531 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6532 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6533 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6534 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6538 /* [HGM] always test for legality, to get promotion info */
6539 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6540 fromY, fromX, toY, toX, promoChar);
6542 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6544 /* [HGM] but possibly ignore an IllegalMove result */
6545 if (appData.testLegality) {
6546 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6547 DisplayMoveError(_("Illegal move"));
6552 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6555 /* Common tail of UserMoveEvent and DropMenuEvent */
6557 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6559 int fromX, fromY, toX, toY;
6560 /*char*/int promoChar;
6564 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6565 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6566 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6567 if(WhiteOnMove(currentMove)) {
6568 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6570 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6574 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6575 move type in caller when we know the move is a legal promotion */
6576 if(moveType == NormalMove && promoChar)
6577 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6579 /* [HGM] <popupFix> The following if has been moved here from
6580 UserMoveEvent(). Because it seemed to belong here (why not allow
6581 piece drops in training games?), and because it can only be
6582 performed after it is known to what we promote. */
6583 if (gameMode == Training) {
6584 /* compare the move played on the board to the next move in the
6585 * game. If they match, display the move and the opponent's response.
6586 * If they don't match, display an error message.
6590 CopyBoard(testBoard, boards[currentMove]);
6591 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6593 if (CompareBoards(testBoard, boards[currentMove+1])) {
6594 ForwardInner(currentMove+1);
6596 /* Autoplay the opponent's response.
6597 * if appData.animate was TRUE when Training mode was entered,
6598 * the response will be animated.
6600 saveAnimate = appData.animate;
6601 appData.animate = animateTraining;
6602 ForwardInner(currentMove+1);
6603 appData.animate = saveAnimate;
6605 /* check for the end of the game */
6606 if (currentMove >= forwardMostMove) {
6607 gameMode = PlayFromGameFile;
6609 SetTrainingModeOff();
6610 DisplayInformation(_("End of game"));
6613 DisplayError(_("Incorrect move"), 0);
6618 /* Ok, now we know that the move is good, so we can kill
6619 the previous line in Analysis Mode */
6620 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6621 && currentMove < forwardMostMove) {
6622 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6623 else forwardMostMove = currentMove;
6626 /* If we need the chess program but it's dead, restart it */
6627 ResurrectChessProgram();
6629 /* A user move restarts a paused game*/
6633 thinkOutput[0] = NULLCHAR;
6635 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6637 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6638 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6642 if (gameMode == BeginningOfGame) {
6643 if (appData.noChessProgram) {
6644 gameMode = EditGame;
6648 gameMode = MachinePlaysBlack;
6651 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6653 if (first.sendName) {
6654 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6655 SendToProgram(buf, &first);
6662 /* Relay move to ICS or chess engine */
6663 if (appData.icsActive) {
6664 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6665 gameMode == IcsExamining) {
6666 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6667 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6669 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6671 // also send plain move, in case ICS does not understand atomic claims
6672 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6676 if (first.sendTime && (gameMode == BeginningOfGame ||
6677 gameMode == MachinePlaysWhite ||
6678 gameMode == MachinePlaysBlack)) {
6679 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6681 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6682 // [HGM] book: if program might be playing, let it use book
6683 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6684 first.maybeThinking = TRUE;
6685 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6686 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6687 SendBoard(&first, currentMove+1);
6688 } else SendMoveToProgram(forwardMostMove-1, &first);
6689 if (currentMove == cmailOldMove + 1) {
6690 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6694 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6698 if(appData.testLegality)
6699 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6705 if (WhiteOnMove(currentMove)) {
6706 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6708 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6712 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6717 case MachinePlaysBlack:
6718 case MachinePlaysWhite:
6719 /* disable certain menu options while machine is thinking */
6720 SetMachineThinkingEnables();
6727 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6728 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6730 if(bookHit) { // [HGM] book: simulate book reply
6731 static char bookMove[MSG_SIZ]; // a bit generous?
6733 programStats.nodes = programStats.depth = programStats.time =
6734 programStats.score = programStats.got_only_move = 0;
6735 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6737 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6738 strcat(bookMove, bookHit);
6739 HandleMachineMove(bookMove, &first);
6745 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6752 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6753 Markers *m = (Markers *) closure;
6754 if(rf == fromY && ff == fromX)
6755 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6756 || kind == WhiteCapturesEnPassant
6757 || kind == BlackCapturesEnPassant);
6758 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6762 MarkTargetSquares(int clear)
6765 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6766 !appData.testLegality || gameMode == EditPosition) return;
6768 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6771 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6772 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6773 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6775 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6778 DrawPosition(TRUE, NULL);
6782 Explode(Board board, int fromX, int fromY, int toX, int toY)
6784 if(gameInfo.variant == VariantAtomic &&
6785 (board[toY][toX] != EmptySquare || // capture?
6786 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6787 board[fromY][fromX] == BlackPawn )
6789 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6795 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6797 int CanPromote(ChessSquare piece, int y)
6799 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6800 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6801 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6802 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6803 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6804 gameInfo.variant == VariantMakruk) return FALSE;
6805 return (piece == BlackPawn && y == 1 ||
6806 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6807 piece == BlackLance && y == 1 ||
6808 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6811 void LeftClick(ClickType clickType, int xPix, int yPix)
6814 Boolean saveAnimate;
6815 static int second = 0, promotionChoice = 0, clearFlag = 0;
6816 char promoChoice = NULLCHAR;
6819 if(appData.seekGraph && appData.icsActive && loggedOn &&
6820 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6821 SeekGraphClick(clickType, xPix, yPix, 0);
6825 if (clickType == Press) ErrorPopDown();
6827 x = EventToSquare(xPix, BOARD_WIDTH);
6828 y = EventToSquare(yPix, BOARD_HEIGHT);
6829 if (!flipView && y >= 0) {
6830 y = BOARD_HEIGHT - 1 - y;
6832 if (flipView && x >= 0) {
6833 x = BOARD_WIDTH - 1 - x;
6836 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6837 defaultPromoChoice = promoSweep;
6838 promoSweep = EmptySquare; // terminate sweep
6839 promoDefaultAltered = TRUE;
6840 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6843 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6844 if(clickType == Release) return; // ignore upclick of click-click destination
6845 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6846 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6847 if(gameInfo.holdingsWidth &&
6848 (WhiteOnMove(currentMove)
6849 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6850 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6851 // click in right holdings, for determining promotion piece
6852 ChessSquare p = boards[currentMove][y][x];
6853 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6854 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6855 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6856 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6861 DrawPosition(FALSE, boards[currentMove]);
6865 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6866 if(clickType == Press
6867 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6868 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6869 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6872 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6873 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6875 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6876 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6877 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6878 defaultPromoChoice = DefaultPromoChoice(side);
6881 autoQueen = appData.alwaysPromoteToQueen;
6885 gatingPiece = EmptySquare;
6886 if (clickType != Press) {
6887 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6888 DragPieceEnd(xPix, yPix); dragging = 0;
6889 DrawPosition(FALSE, NULL);
6893 fromX = x; fromY = y; toX = toY = -1;
6894 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6895 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6896 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6898 if (OKToStartUserMove(fromX, fromY)) {
6900 MarkTargetSquares(0);
6901 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6902 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6903 promoSweep = defaultPromoChoice;
6904 selectFlag = 0; lastX = xPix; lastY = yPix;
6905 Sweep(0); // Pawn that is going to promote: preview promotion piece
6906 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6908 if (appData.highlightDragging) {
6909 SetHighlights(fromX, fromY, -1, -1);
6911 } else fromX = fromY = -1;
6917 if (clickType == Press && gameMode != EditPosition) {
6922 // ignore off-board to clicks
6923 if(y < 0 || x < 0) return;
6925 /* Check if clicking again on the same color piece */
6926 fromP = boards[currentMove][fromY][fromX];
6927 toP = boards[currentMove][y][x];
6928 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6929 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6930 WhitePawn <= toP && toP <= WhiteKing &&
6931 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6932 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6933 (BlackPawn <= fromP && fromP <= BlackKing &&
6934 BlackPawn <= toP && toP <= BlackKing &&
6935 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6936 !(fromP == BlackKing && toP == BlackRook && frc))) {
6937 /* Clicked again on same color piece -- changed his mind */
6938 second = (x == fromX && y == fromY);
6939 promoDefaultAltered = FALSE;
6940 MarkTargetSquares(1);
6941 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6942 if (appData.highlightDragging) {
6943 SetHighlights(x, y, -1, -1);
6947 if (OKToStartUserMove(x, y)) {
6948 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6949 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6950 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6951 gatingPiece = boards[currentMove][fromY][fromX];
6952 else gatingPiece = EmptySquare;
6954 fromY = y; dragging = 1;
6955 MarkTargetSquares(0);
6956 DragPieceBegin(xPix, yPix, FALSE);
6957 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6958 promoSweep = defaultPromoChoice;
6959 selectFlag = 0; lastX = xPix; lastY = yPix;
6960 Sweep(0); // Pawn that is going to promote: preview promotion piece
6964 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6967 // ignore clicks on holdings
6968 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6971 if (clickType == Release && x == fromX && y == fromY) {
6972 DragPieceEnd(xPix, yPix); dragging = 0;
6974 // a deferred attempt to click-click move an empty square on top of a piece
6975 boards[currentMove][y][x] = EmptySquare;
6977 DrawPosition(FALSE, boards[currentMove]);
6978 fromX = fromY = -1; clearFlag = 0;
6981 if (appData.animateDragging) {
6982 /* Undo animation damage if any */
6983 DrawPosition(FALSE, NULL);
6986 /* Second up/down in same square; just abort move */
6989 gatingPiece = EmptySquare;
6992 ClearPremoveHighlights();
6994 /* First upclick in same square; start click-click mode */
6995 SetHighlights(x, y, -1, -1);
7002 /* we now have a different from- and (possibly off-board) to-square */
7003 /* Completed move */
7006 saveAnimate = appData.animate;
7007 MarkTargetSquares(1);
7008 if (clickType == Press) {
7009 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7010 // must be Edit Position mode with empty-square selected
7011 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7012 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7015 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7016 ChessSquare piece = boards[currentMove][fromY][fromX];
7017 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7018 promoSweep = defaultPromoChoice;
7019 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7020 selectFlag = 0; lastX = xPix; lastY = yPix;
7021 Sweep(0); // Pawn that is going to promote: preview promotion piece
7022 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7023 DrawPosition(FALSE, boards[currentMove]);
7026 /* Finish clickclick move */
7027 if (appData.animate || appData.highlightLastMove) {
7028 SetHighlights(fromX, fromY, toX, toY);
7033 /* Finish drag move */
7034 if (appData.highlightLastMove) {
7035 SetHighlights(fromX, fromY, toX, toY);
7039 DragPieceEnd(xPix, yPix); dragging = 0;
7040 /* Don't animate move and drag both */
7041 appData.animate = FALSE;
7044 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7045 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7046 ChessSquare piece = boards[currentMove][fromY][fromX];
7047 if(gameMode == EditPosition && piece != EmptySquare &&
7048 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7051 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7052 n = PieceToNumber(piece - (int)BlackPawn);
7053 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7054 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7055 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7057 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7058 n = PieceToNumber(piece);
7059 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7060 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7061 boards[currentMove][n][BOARD_WIDTH-2]++;
7063 boards[currentMove][fromY][fromX] = EmptySquare;
7067 DrawPosition(TRUE, boards[currentMove]);
7071 // off-board moves should not be highlighted
7072 if(x < 0 || y < 0) ClearHighlights();
7074 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7076 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7077 SetHighlights(fromX, fromY, toX, toY);
7078 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7079 // [HGM] super: promotion to captured piece selected from holdings
7080 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7081 promotionChoice = TRUE;
7082 // kludge follows to temporarily execute move on display, without promoting yet
7083 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7084 boards[currentMove][toY][toX] = p;
7085 DrawPosition(FALSE, boards[currentMove]);
7086 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7087 boards[currentMove][toY][toX] = q;
7088 DisplayMessage("Click in holdings to choose piece", "");
7093 int oldMove = currentMove;
7094 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7095 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7096 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7097 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7098 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7099 DrawPosition(TRUE, boards[currentMove]);
7102 appData.animate = saveAnimate;
7103 if (appData.animate || appData.animateDragging) {
7104 /* Undo animation damage if needed */
7105 DrawPosition(FALSE, NULL);
7109 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7110 { // front-end-free part taken out of PieceMenuPopup
7111 int whichMenu; int xSqr, ySqr;
7113 if(seekGraphUp) { // [HGM] seekgraph
7114 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7115 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7119 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7120 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7121 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7122 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7123 if(action == Press) {
7124 originalFlip = flipView;
7125 flipView = !flipView; // temporarily flip board to see game from partners perspective
7126 DrawPosition(TRUE, partnerBoard);
7127 DisplayMessage(partnerStatus, "");
7129 } else if(action == Release) {
7130 flipView = originalFlip;
7131 DrawPosition(TRUE, boards[currentMove]);
7137 xSqr = EventToSquare(x, BOARD_WIDTH);
7138 ySqr = EventToSquare(y, BOARD_HEIGHT);
7139 if (action == Release) {
7140 if(pieceSweep != EmptySquare) {
7141 EditPositionMenuEvent(pieceSweep, toX, toY);
7142 pieceSweep = EmptySquare;
7143 } else UnLoadPV(); // [HGM] pv
7145 if (action != Press) return -2; // return code to be ignored
7148 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7150 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7151 if (xSqr < 0 || ySqr < 0) return -1;
7152 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7153 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7154 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7155 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7159 if(!appData.icsEngineAnalyze) return -1;
7160 case IcsPlayingWhite:
7161 case IcsPlayingBlack:
7162 if(!appData.zippyPlay) goto noZip;
7165 case MachinePlaysWhite:
7166 case MachinePlaysBlack:
7167 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7168 if (!appData.dropMenu) {
7170 return 2; // flag front-end to grab mouse events
7172 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7173 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7176 if (xSqr < 0 || ySqr < 0) return -1;
7177 if (!appData.dropMenu || appData.testLegality &&
7178 gameInfo.variant != VariantBughouse &&
7179 gameInfo.variant != VariantCrazyhouse) return -1;
7180 whichMenu = 1; // drop menu
7186 if (((*fromX = xSqr) < 0) ||
7187 ((*fromY = ySqr) < 0)) {
7188 *fromX = *fromY = -1;
7192 *fromX = BOARD_WIDTH - 1 - *fromX;
7194 *fromY = BOARD_HEIGHT - 1 - *fromY;
7199 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7201 // char * hint = lastHint;
7202 FrontEndProgramStats stats;
7204 stats.which = cps == &first ? 0 : 1;
7205 stats.depth = cpstats->depth;
7206 stats.nodes = cpstats->nodes;
7207 stats.score = cpstats->score;
7208 stats.time = cpstats->time;
7209 stats.pv = cpstats->movelist;
7210 stats.hint = lastHint;
7211 stats.an_move_index = 0;
7212 stats.an_move_count = 0;
7214 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7215 stats.hint = cpstats->move_name;
7216 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7217 stats.an_move_count = cpstats->nr_moves;
7220 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
7222 SetProgramStats( &stats );
7226 ClearEngineOutputPane(int which)
7228 static FrontEndProgramStats dummyStats;
7229 dummyStats.which = which;
7230 dummyStats.pv = "#";
7231 SetProgramStats( &dummyStats );
7234 #define MAXPLAYERS 500
7237 TourneyStandings(int display)
7239 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7240 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7241 char result, *p, *names[MAXPLAYERS];
7243 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7244 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7245 names[0] = p = strdup(appData.participants);
7246 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7248 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7250 while(result = appData.results[nr]) {
7251 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7252 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7253 wScore = bScore = 0;
7255 case '+': wScore = 2; break;
7256 case '-': bScore = 2; break;
7257 case '=': wScore = bScore = 1; break;
7259 case '*': return strdup("busy"); // tourney not finished
7267 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7268 for(w=0; w<nPlayers; w++) {
7270 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7271 ranking[w] = b; points[w] = bScore; score[b] = -2;
7273 p = malloc(nPlayers*34+1);
7274 for(w=0; w<nPlayers && w<display; w++)
7275 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7281 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7282 { // count all piece types
7284 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7285 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7286 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7289 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7290 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7291 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7292 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7293 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7294 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7299 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7301 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7302 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7304 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7305 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7306 if(myPawns == 2 && nMine == 3) // KPP
7307 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7308 if(myPawns == 1 && nMine == 2) // KP
7309 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7310 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7311 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7312 if(myPawns) return FALSE;
7313 if(pCnt[WhiteRook+side])
7314 return pCnt[BlackRook-side] ||
7315 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7316 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7317 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7318 if(pCnt[WhiteCannon+side]) {
7319 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7320 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7322 if(pCnt[WhiteKnight+side])
7323 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7328 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7330 VariantClass v = gameInfo.variant;
7332 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7333 if(v == VariantShatranj) return TRUE; // always winnable through baring
7334 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7335 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7337 if(v == VariantXiangqi) {
7338 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7340 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7341 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7342 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7343 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7344 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7345 if(stale) // we have at least one last-rank P plus perhaps C
7346 return majors // KPKX
7347 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7349 return pCnt[WhiteFerz+side] // KCAK
7350 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7351 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7352 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7354 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7355 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7357 if(nMine == 1) return FALSE; // bare King
7358 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
7359 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7360 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7361 // by now we have King + 1 piece (or multiple Bishops on the same color)
7362 if(pCnt[WhiteKnight+side])
7363 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7364 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7365 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7367 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7368 if(pCnt[WhiteAlfil+side])
7369 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7370 if(pCnt[WhiteWazir+side])
7371 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7378 CompareWithRights(Board b1, Board b2)
7381 if(!CompareBoards(b1, b2)) return FALSE;
7382 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7383 /* compare castling rights */
7384 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7385 rights++; /* King lost rights, while rook still had them */
7386 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7387 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7388 rights++; /* but at least one rook lost them */
7390 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7392 if( b1[CASTLING][5] != NoRights ) {
7393 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7400 Adjudicate(ChessProgramState *cps)
7401 { // [HGM] some adjudications useful with buggy engines
7402 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7403 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7404 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7405 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7406 int k, count = 0; static int bare = 1;
7407 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7408 Boolean canAdjudicate = !appData.icsActive;
7410 // most tests only when we understand the game, i.e. legality-checking on
7411 if( appData.testLegality )
7412 { /* [HGM] Some more adjudications for obstinate engines */
7413 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7414 static int moveCount = 6;
7416 char *reason = NULL;
7418 /* Count what is on board. */
7419 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7421 /* Some material-based adjudications that have to be made before stalemate test */
7422 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7423 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7424 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7425 if(canAdjudicate && appData.checkMates) {
7427 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7428 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7429 "Xboard adjudication: King destroyed", GE_XBOARD );
7434 /* Bare King in Shatranj (loses) or Losers (wins) */
7435 if( nrW == 1 || nrB == 1) {
7436 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7437 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7438 if(canAdjudicate && appData.checkMates) {
7440 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7441 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7442 "Xboard adjudication: Bare king", GE_XBOARD );
7446 if( gameInfo.variant == VariantShatranj && --bare < 0)
7448 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7449 if(canAdjudicate && appData.checkMates) {
7450 /* but only adjudicate if adjudication enabled */
7452 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7453 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7454 "Xboard adjudication: Bare king", GE_XBOARD );
7461 // don't wait for engine to announce game end if we can judge ourselves
7462 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7464 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7465 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7466 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7467 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7470 reason = "Xboard adjudication: 3rd check";
7471 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7481 reason = "Xboard adjudication: Stalemate";
7482 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7483 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7484 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7485 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7486 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7487 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7488 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7489 EP_CHECKMATE : EP_WINS);
7490 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7491 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7495 reason = "Xboard adjudication: Checkmate";
7496 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7500 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7502 result = GameIsDrawn; break;
7504 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7506 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7510 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7512 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7513 GameEnds( result, reason, GE_XBOARD );
7517 /* Next absolutely insufficient mating material. */
7518 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7519 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7520 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7522 /* always flag draws, for judging claims */
7523 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7525 if(canAdjudicate && appData.materialDraws) {
7526 /* but only adjudicate them if adjudication enabled */
7527 if(engineOpponent) {
7528 SendToProgram("force\n", engineOpponent); // suppress reply
7529 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7531 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7536 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7537 if(gameInfo.variant == VariantXiangqi ?
7538 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7540 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7541 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7542 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7543 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7545 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7546 { /* if the first 3 moves do not show a tactical win, declare draw */
7547 if(engineOpponent) {
7548 SendToProgram("force\n", engineOpponent); // suppress reply
7549 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7551 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7554 } else moveCount = 6;
7556 if (appData.debugMode) { int i;
7557 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7558 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7559 appData.drawRepeats);
7560 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7561 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7565 // Repetition draws and 50-move rule can be applied independently of legality testing
7567 /* Check for rep-draws */
7569 for(k = forwardMostMove-2;
7570 k>=backwardMostMove && k>=forwardMostMove-100 &&
7571 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7572 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7575 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7576 /* compare castling rights */
7577 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7578 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7579 rights++; /* King lost rights, while rook still had them */
7580 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7581 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7582 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7583 rights++; /* but at least one rook lost them */
7585 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7586 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7588 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7589 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7590 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7593 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7594 && appData.drawRepeats > 1) {
7595 /* adjudicate after user-specified nr of repeats */
7596 int result = GameIsDrawn;
7597 char *details = "XBoard adjudication: repetition draw";
7598 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7599 // [HGM] xiangqi: check for forbidden perpetuals
7600 int m, ourPerpetual = 1, hisPerpetual = 1;
7601 for(m=forwardMostMove; m>k; m-=2) {
7602 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7603 ourPerpetual = 0; // the current mover did not always check
7604 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7605 hisPerpetual = 0; // the opponent did not always check
7607 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7608 ourPerpetual, hisPerpetual);
7609 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7610 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7611 details = "Xboard adjudication: perpetual checking";
7613 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7614 break; // (or we would have caught him before). Abort repetition-checking loop.
7616 // Now check for perpetual chases
7617 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7618 hisPerpetual = PerpetualChase(k, forwardMostMove);
7619 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7620 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7621 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7622 details = "Xboard adjudication: perpetual chasing";
7624 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7625 break; // Abort repetition-checking loop.
7627 // if neither of us is checking or chasing all the time, or both are, it is draw
7629 if(engineOpponent) {
7630 SendToProgram("force\n", engineOpponent); // suppress reply
7631 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7633 GameEnds( result, details, GE_XBOARD );
7636 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7637 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7641 /* Now we test for 50-move draws. Determine ply count */
7642 count = forwardMostMove;
7643 /* look for last irreversble move */
7644 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7646 /* if we hit starting position, add initial plies */
7647 if( count == backwardMostMove )
7648 count -= initialRulePlies;
7649 count = forwardMostMove - count;
7650 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7651 // adjust reversible move counter for checks in Xiangqi
7652 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7653 if(i < backwardMostMove) i = backwardMostMove;
7654 while(i <= forwardMostMove) {
7655 lastCheck = inCheck; // check evasion does not count
7656 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7657 if(inCheck || lastCheck) count--; // check does not count
7662 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7663 /* this is used to judge if draw claims are legal */
7664 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7665 if(engineOpponent) {
7666 SendToProgram("force\n", engineOpponent); // suppress reply
7667 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7669 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7673 /* if draw offer is pending, treat it as a draw claim
7674 * when draw condition present, to allow engines a way to
7675 * claim draws before making their move to avoid a race
7676 * condition occurring after their move
7678 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7680 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7681 p = "Draw claim: 50-move rule";
7682 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7683 p = "Draw claim: 3-fold repetition";
7684 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7685 p = "Draw claim: insufficient mating material";
7686 if( p != NULL && canAdjudicate) {
7687 if(engineOpponent) {
7688 SendToProgram("force\n", engineOpponent); // suppress reply
7689 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7691 GameEnds( GameIsDrawn, p, GE_XBOARD );
7696 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7697 if(engineOpponent) {
7698 SendToProgram("force\n", engineOpponent); // suppress reply
7699 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7701 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7707 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7708 { // [HGM] book: this routine intercepts moves to simulate book replies
7709 char *bookHit = NULL;
7711 //first determine if the incoming move brings opponent into his book
7712 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7713 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7714 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7715 if(bookHit != NULL && !cps->bookSuspend) {
7716 // make sure opponent is not going to reply after receiving move to book position
7717 SendToProgram("force\n", cps);
7718 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7720 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7721 // now arrange restart after book miss
7723 // after a book hit we never send 'go', and the code after the call to this routine
7724 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7725 char buf[MSG_SIZ], *move = bookHit;
7727 int fromX, fromY, toX, toY;
7731 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7732 &fromX, &fromY, &toX, &toY, &promoChar)) {
7733 (void) CoordsToAlgebraic(boards[forwardMostMove],
7734 PosFlags(forwardMostMove),
7735 fromY, fromX, toY, toX, promoChar, move);
7737 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7741 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7742 SendToProgram(buf, cps);
7743 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7744 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7745 SendToProgram("go\n", cps);
7746 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7747 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7748 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7749 SendToProgram("go\n", cps);
7750 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7752 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7756 ChessProgramState *savedState;
7757 void DeferredBookMove(void)
7759 if(savedState->lastPing != savedState->lastPong)
7760 ScheduleDelayedEvent(DeferredBookMove, 10);
7762 HandleMachineMove(savedMessage, savedState);
7765 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7768 HandleMachineMove(message, cps)
7770 ChessProgramState *cps;
7772 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7773 char realname[MSG_SIZ];
7774 int fromX, fromY, toX, toY;
7781 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7782 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7783 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7784 DisplayError(_("Invalid pairing from pairing engine"), 0);
7787 pairingReceived = 1;
7789 return; // Skim the pairing messages here.
7794 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7796 * Kludge to ignore BEL characters
7798 while (*message == '\007') message++;
7801 * [HGM] engine debug message: ignore lines starting with '#' character
7803 if(cps->debug && *message == '#') return;
7806 * Look for book output
7808 if (cps == &first && bookRequested) {
7809 if (message[0] == '\t' || message[0] == ' ') {
7810 /* Part of the book output is here; append it */
7811 strcat(bookOutput, message);
7812 strcat(bookOutput, " \n");
7814 } else if (bookOutput[0] != NULLCHAR) {
7815 /* All of book output has arrived; display it */
7816 char *p = bookOutput;
7817 while (*p != NULLCHAR) {
7818 if (*p == '\t') *p = ' ';
7821 DisplayInformation(bookOutput);
7822 bookRequested = FALSE;
7823 /* Fall through to parse the current output */
7828 * Look for machine move.
7830 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7831 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7833 /* This method is only useful on engines that support ping */
7834 if (cps->lastPing != cps->lastPong) {
7835 if (gameMode == BeginningOfGame) {
7836 /* Extra move from before last new; ignore */
7837 if (appData.debugMode) {
7838 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7841 if (appData.debugMode) {
7842 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7843 cps->which, gameMode);
7846 SendToProgram("undo\n", cps);
7852 case BeginningOfGame:
7853 /* Extra move from before last reset; ignore */
7854 if (appData.debugMode) {
7855 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7862 /* Extra move after we tried to stop. The mode test is
7863 not a reliable way of detecting this problem, but it's
7864 the best we can do on engines that don't support ping.
7866 if (appData.debugMode) {
7867 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7868 cps->which, gameMode);
7870 SendToProgram("undo\n", cps);
7873 case MachinePlaysWhite:
7874 case IcsPlayingWhite:
7875 machineWhite = TRUE;
7878 case MachinePlaysBlack:
7879 case IcsPlayingBlack:
7880 machineWhite = FALSE;
7883 case TwoMachinesPlay:
7884 machineWhite = (cps->twoMachinesColor[0] == 'w');
7887 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7888 if (appData.debugMode) {
7890 "Ignoring move out of turn by %s, gameMode %d"
7891 ", forwardMost %d\n",
7892 cps->which, gameMode, forwardMostMove);
7897 if (appData.debugMode) { int f = forwardMostMove;
7898 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7899 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7900 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7902 if(cps->alphaRank) AlphaRank(machineMove, 4);
7903 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7904 &fromX, &fromY, &toX, &toY, &promoChar)) {
7905 /* Machine move could not be parsed; ignore it. */
7906 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7907 machineMove, _(cps->which));
7908 DisplayError(buf1, 0);
7909 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7910 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7911 if (gameMode == TwoMachinesPlay) {
7912 GameEnds(machineWhite ? BlackWins : WhiteWins,
7918 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7919 /* So we have to redo legality test with true e.p. status here, */
7920 /* to make sure an illegal e.p. capture does not slip through, */
7921 /* to cause a forfeit on a justified illegal-move complaint */
7922 /* of the opponent. */
7923 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7925 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7926 fromY, fromX, toY, toX, promoChar);
7927 if (appData.debugMode) {
7929 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7930 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7931 fprintf(debugFP, "castling rights\n");
7933 if(moveType == IllegalMove) {
7934 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7935 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7936 GameEnds(machineWhite ? BlackWins : WhiteWins,
7939 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7940 /* [HGM] Kludge to handle engines that send FRC-style castling
7941 when they shouldn't (like TSCP-Gothic) */
7943 case WhiteASideCastleFR:
7944 case BlackASideCastleFR:
7946 currentMoveString[2]++;
7948 case WhiteHSideCastleFR:
7949 case BlackHSideCastleFR:
7951 currentMoveString[2]--;
7953 default: ; // nothing to do, but suppresses warning of pedantic compilers
7956 hintRequested = FALSE;
7957 lastHint[0] = NULLCHAR;
7958 bookRequested = FALSE;
7959 /* Program may be pondering now */
7960 cps->maybeThinking = TRUE;
7961 if (cps->sendTime == 2) cps->sendTime = 1;
7962 if (cps->offeredDraw) cps->offeredDraw--;
7964 /* [AS] Save move info*/
7965 pvInfoList[ forwardMostMove ].score = programStats.score;
7966 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7967 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7969 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7971 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7972 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7975 while( count < adjudicateLossPlies ) {
7976 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7979 score = -score; /* Flip score for winning side */
7982 if( score > adjudicateLossThreshold ) {
7989 if( count >= adjudicateLossPlies ) {
7990 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7992 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7993 "Xboard adjudication",
8000 if(Adjudicate(cps)) {
8001 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8002 return; // [HGM] adjudicate: for all automatic game ends
8006 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8008 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8009 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8011 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8013 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8015 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8016 char buf[3*MSG_SIZ];
8018 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8019 programStats.score / 100.,
8021 programStats.time / 100.,
8022 (unsigned int)programStats.nodes,
8023 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8024 programStats.movelist);
8026 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8031 /* [AS] Clear stats for next move */
8032 ClearProgramStats();
8033 thinkOutput[0] = NULLCHAR;
8034 hiddenThinkOutputState = 0;
8037 if (gameMode == TwoMachinesPlay) {
8038 /* [HGM] relaying draw offers moved to after reception of move */
8039 /* and interpreting offer as claim if it brings draw condition */
8040 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8041 SendToProgram("draw\n", cps->other);
8043 if (cps->other->sendTime) {
8044 SendTimeRemaining(cps->other,
8045 cps->other->twoMachinesColor[0] == 'w');
8047 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8048 if (firstMove && !bookHit) {
8050 if (cps->other->useColors) {
8051 SendToProgram(cps->other->twoMachinesColor, cps->other);
8053 SendToProgram("go\n", cps->other);
8055 cps->other->maybeThinking = TRUE;
8058 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8060 if (!pausing && appData.ringBellAfterMoves) {
8065 * Reenable menu items that were disabled while
8066 * machine was thinking
8068 if (gameMode != TwoMachinesPlay)
8069 SetUserThinkingEnables();
8071 // [HGM] book: after book hit opponent has received move and is now in force mode
8072 // force the book reply into it, and then fake that it outputted this move by jumping
8073 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8075 static char bookMove[MSG_SIZ]; // a bit generous?
8077 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8078 strcat(bookMove, bookHit);
8081 programStats.nodes = programStats.depth = programStats.time =
8082 programStats.score = programStats.got_only_move = 0;
8083 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8085 if(cps->lastPing != cps->lastPong) {
8086 savedMessage = message; // args for deferred call
8088 ScheduleDelayedEvent(DeferredBookMove, 10);
8097 /* Set special modes for chess engines. Later something general
8098 * could be added here; for now there is just one kludge feature,
8099 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8100 * when "xboard" is given as an interactive command.
8102 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8103 cps->useSigint = FALSE;
8104 cps->useSigterm = FALSE;
8106 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8107 ParseFeatures(message+8, cps);
8108 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8111 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8112 int dummy, s=6; char buf[MSG_SIZ];
8113 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8114 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8115 ParseFEN(boards[0], &dummy, message+s);
8116 DrawPosition(TRUE, boards[0]);
8117 startedFromSetupPosition = TRUE;
8120 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8121 * want this, I was asked to put it in, and obliged.
8123 if (!strncmp(message, "setboard ", 9)) {
8124 Board initial_position;
8126 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8128 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8129 DisplayError(_("Bad FEN received from engine"), 0);
8133 CopyBoard(boards[0], initial_position);
8134 initialRulePlies = FENrulePlies;
8135 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8136 else gameMode = MachinePlaysBlack;
8137 DrawPosition(FALSE, boards[currentMove]);
8143 * Look for communication commands
8145 if (!strncmp(message, "telluser ", 9)) {
8146 if(message[9] == '\\' && message[10] == '\\')
8147 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8149 DisplayNote(message + 9);
8152 if (!strncmp(message, "tellusererror ", 14)) {
8154 if(message[14] == '\\' && message[15] == '\\')
8155 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8157 DisplayError(message + 14, 0);
8160 if (!strncmp(message, "tellopponent ", 13)) {
8161 if (appData.icsActive) {
8163 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8167 DisplayNote(message + 13);
8171 if (!strncmp(message, "tellothers ", 11)) {
8172 if (appData.icsActive) {
8174 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8180 if (!strncmp(message, "tellall ", 8)) {
8181 if (appData.icsActive) {
8183 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8187 DisplayNote(message + 8);
8191 if (strncmp(message, "warning", 7) == 0) {
8192 /* Undocumented feature, use tellusererror in new code */
8193 DisplayError(message, 0);
8196 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8197 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8198 strcat(realname, " query");
8199 AskQuestion(realname, buf2, buf1, cps->pr);
8202 /* Commands from the engine directly to ICS. We don't allow these to be
8203 * sent until we are logged on. Crafty kibitzes have been known to
8204 * interfere with the login process.
8207 if (!strncmp(message, "tellics ", 8)) {
8208 SendToICS(message + 8);
8212 if (!strncmp(message, "tellicsnoalias ", 15)) {
8213 SendToICS(ics_prefix);
8214 SendToICS(message + 15);
8218 /* The following are for backward compatibility only */
8219 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8220 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8221 SendToICS(ics_prefix);
8227 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8231 * If the move is illegal, cancel it and redraw the board.
8232 * Also deal with other error cases. Matching is rather loose
8233 * here to accommodate engines written before the spec.
8235 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8236 strncmp(message, "Error", 5) == 0) {
8237 if (StrStr(message, "name") ||
8238 StrStr(message, "rating") || StrStr(message, "?") ||
8239 StrStr(message, "result") || StrStr(message, "board") ||
8240 StrStr(message, "bk") || StrStr(message, "computer") ||
8241 StrStr(message, "variant") || StrStr(message, "hint") ||
8242 StrStr(message, "random") || StrStr(message, "depth") ||
8243 StrStr(message, "accepted")) {
8246 if (StrStr(message, "protover")) {
8247 /* Program is responding to input, so it's apparently done
8248 initializing, and this error message indicates it is
8249 protocol version 1. So we don't need to wait any longer
8250 for it to initialize and send feature commands. */
8251 FeatureDone(cps, 1);
8252 cps->protocolVersion = 1;
8255 cps->maybeThinking = FALSE;
8257 if (StrStr(message, "draw")) {
8258 /* Program doesn't have "draw" command */
8259 cps->sendDrawOffers = 0;
8262 if (cps->sendTime != 1 &&
8263 (StrStr(message, "time") || StrStr(message, "otim"))) {
8264 /* Program apparently doesn't have "time" or "otim" command */
8268 if (StrStr(message, "analyze")) {
8269 cps->analysisSupport = FALSE;
8270 cps->analyzing = FALSE;
8272 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8273 DisplayError(buf2, 0);
8276 if (StrStr(message, "(no matching move)st")) {
8277 /* Special kludge for GNU Chess 4 only */
8278 cps->stKludge = TRUE;
8279 SendTimeControl(cps, movesPerSession, timeControl,
8280 timeIncrement, appData.searchDepth,
8284 if (StrStr(message, "(no matching move)sd")) {
8285 /* Special kludge for GNU Chess 4 only */
8286 cps->sdKludge = TRUE;
8287 SendTimeControl(cps, movesPerSession, timeControl,
8288 timeIncrement, appData.searchDepth,
8292 if (!StrStr(message, "llegal")) {
8295 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8296 gameMode == IcsIdle) return;
8297 if (forwardMostMove <= backwardMostMove) return;
8298 if (pausing) PauseEvent();
8299 if(appData.forceIllegal) {
8300 // [HGM] illegal: machine refused move; force position after move into it
8301 SendToProgram("force\n", cps);
8302 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8303 // we have a real problem now, as SendBoard will use the a2a3 kludge
8304 // when black is to move, while there might be nothing on a2 or black
8305 // might already have the move. So send the board as if white has the move.
8306 // But first we must change the stm of the engine, as it refused the last move
8307 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8308 if(WhiteOnMove(forwardMostMove)) {
8309 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8310 SendBoard(cps, forwardMostMove); // kludgeless board
8312 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8313 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8314 SendBoard(cps, forwardMostMove+1); // kludgeless board
8316 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8317 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8318 gameMode == TwoMachinesPlay)
8319 SendToProgram("go\n", cps);
8322 if (gameMode == PlayFromGameFile) {
8323 /* Stop reading this game file */
8324 gameMode = EditGame;
8327 /* [HGM] illegal-move claim should forfeit game when Xboard */
8328 /* only passes fully legal moves */
8329 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8330 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8331 "False illegal-move claim", GE_XBOARD );
8332 return; // do not take back move we tested as valid
8334 currentMove = forwardMostMove-1;
8335 DisplayMove(currentMove-1); /* before DisplayMoveError */
8336 SwitchClocks(forwardMostMove-1); // [HGM] race
8337 DisplayBothClocks();
8338 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8339 parseList[currentMove], _(cps->which));
8340 DisplayMoveError(buf1);
8341 DrawPosition(FALSE, boards[currentMove]);
8344 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8345 /* Program has a broken "time" command that
8346 outputs a string not ending in newline.
8352 * If chess program startup fails, exit with an error message.
8353 * Attempts to recover here are futile.
8355 if ((StrStr(message, "unknown host") != NULL)
8356 || (StrStr(message, "No remote directory") != NULL)
8357 || (StrStr(message, "not found") != NULL)
8358 || (StrStr(message, "No such file") != NULL)
8359 || (StrStr(message, "can't alloc") != NULL)
8360 || (StrStr(message, "Permission denied") != NULL)) {
8362 cps->maybeThinking = FALSE;
8363 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8364 _(cps->which), cps->program, cps->host, message);
8365 RemoveInputSource(cps->isr);
8366 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8367 if(cps == &first) appData.noChessProgram = TRUE;
8368 DisplayError(buf1, 0);
8374 * Look for hint output
8376 if (sscanf(message, "Hint: %s", buf1) == 1) {
8377 if (cps == &first && hintRequested) {
8378 hintRequested = FALSE;
8379 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8380 &fromX, &fromY, &toX, &toY, &promoChar)) {
8381 (void) CoordsToAlgebraic(boards[forwardMostMove],
8382 PosFlags(forwardMostMove),
8383 fromY, fromX, toY, toX, promoChar, buf1);
8384 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8385 DisplayInformation(buf2);
8387 /* Hint move could not be parsed!? */
8388 snprintf(buf2, sizeof(buf2),
8389 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8390 buf1, _(cps->which));
8391 DisplayError(buf2, 0);
8394 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8400 * Ignore other messages if game is not in progress
8402 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8403 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8406 * look for win, lose, draw, or draw offer
8408 if (strncmp(message, "1-0", 3) == 0) {
8409 char *p, *q, *r = "";
8410 p = strchr(message, '{');
8418 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8420 } else if (strncmp(message, "0-1", 3) == 0) {
8421 char *p, *q, *r = "";
8422 p = strchr(message, '{');
8430 /* Kludge for Arasan 4.1 bug */
8431 if (strcmp(r, "Black resigns") == 0) {
8432 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8435 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8437 } else if (strncmp(message, "1/2", 3) == 0) {
8438 char *p, *q, *r = "";
8439 p = strchr(message, '{');
8448 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8451 } else if (strncmp(message, "White resign", 12) == 0) {
8452 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8454 } else if (strncmp(message, "Black resign", 12) == 0) {
8455 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8457 } else if (strncmp(message, "White matches", 13) == 0 ||
8458 strncmp(message, "Black matches", 13) == 0 ) {
8459 /* [HGM] ignore GNUShogi noises */
8461 } else if (strncmp(message, "White", 5) == 0 &&
8462 message[5] != '(' &&
8463 StrStr(message, "Black") == NULL) {
8464 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8466 } else if (strncmp(message, "Black", 5) == 0 &&
8467 message[5] != '(') {
8468 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8470 } else if (strcmp(message, "resign") == 0 ||
8471 strcmp(message, "computer resigns") == 0) {
8473 case MachinePlaysBlack:
8474 case IcsPlayingBlack:
8475 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8477 case MachinePlaysWhite:
8478 case IcsPlayingWhite:
8479 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8481 case TwoMachinesPlay:
8482 if (cps->twoMachinesColor[0] == 'w')
8483 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8485 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8492 } else if (strncmp(message, "opponent mates", 14) == 0) {
8494 case MachinePlaysBlack:
8495 case IcsPlayingBlack:
8496 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8498 case MachinePlaysWhite:
8499 case IcsPlayingWhite:
8500 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8502 case TwoMachinesPlay:
8503 if (cps->twoMachinesColor[0] == 'w')
8504 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8506 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8513 } else if (strncmp(message, "computer mates", 14) == 0) {
8515 case MachinePlaysBlack:
8516 case IcsPlayingBlack:
8517 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8519 case MachinePlaysWhite:
8520 case IcsPlayingWhite:
8521 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8523 case TwoMachinesPlay:
8524 if (cps->twoMachinesColor[0] == 'w')
8525 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8527 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8534 } else if (strncmp(message, "checkmate", 9) == 0) {
8535 if (WhiteOnMove(forwardMostMove)) {
8536 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8538 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8541 } else if (strstr(message, "Draw") != NULL ||
8542 strstr(message, "game is a draw") != NULL) {
8543 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8545 } else if (strstr(message, "offer") != NULL &&
8546 strstr(message, "draw") != NULL) {
8548 if (appData.zippyPlay && first.initDone) {
8549 /* Relay offer to ICS */
8550 SendToICS(ics_prefix);
8551 SendToICS("draw\n");
8554 cps->offeredDraw = 2; /* valid until this engine moves twice */
8555 if (gameMode == TwoMachinesPlay) {
8556 if (cps->other->offeredDraw) {
8557 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8558 /* [HGM] in two-machine mode we delay relaying draw offer */
8559 /* until after we also have move, to see if it is really claim */
8561 } else if (gameMode == MachinePlaysWhite ||
8562 gameMode == MachinePlaysBlack) {
8563 if (userOfferedDraw) {
8564 DisplayInformation(_("Machine accepts your draw offer"));
8565 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8567 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8574 * Look for thinking output
8576 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8577 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8579 int plylev, mvleft, mvtot, curscore, time;
8580 char mvname[MOVE_LEN];
8584 int prefixHint = FALSE;
8585 mvname[0] = NULLCHAR;
8588 case MachinePlaysBlack:
8589 case IcsPlayingBlack:
8590 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8592 case MachinePlaysWhite:
8593 case IcsPlayingWhite:
8594 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8599 case IcsObserving: /* [DM] icsEngineAnalyze */
8600 if (!appData.icsEngineAnalyze) ignore = TRUE;
8602 case TwoMachinesPlay:
8603 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8613 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8615 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8616 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8618 if (plyext != ' ' && plyext != '\t') {
8622 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8623 if( cps->scoreIsAbsolute &&
8624 ( gameMode == MachinePlaysBlack ||
8625 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8626 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8627 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8628 !WhiteOnMove(currentMove)
8631 curscore = -curscore;
8634 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8636 tempStats.depth = plylev;
8637 tempStats.nodes = nodes;
8638 tempStats.time = time;
8639 tempStats.score = curscore;
8640 tempStats.got_only_move = 0;
8642 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8645 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8646 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8647 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8648 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8649 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8650 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8651 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8652 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8655 /* Buffer overflow protection */
8656 if (pv[0] != NULLCHAR) {
8657 if (strlen(pv) >= sizeof(tempStats.movelist)
8658 && appData.debugMode) {
8660 "PV is too long; using the first %u bytes.\n",
8661 (unsigned) sizeof(tempStats.movelist) - 1);
8664 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8666 sprintf(tempStats.movelist, " no PV\n");
8669 if (tempStats.seen_stat) {
8670 tempStats.ok_to_send = 1;
8673 if (strchr(tempStats.movelist, '(') != NULL) {
8674 tempStats.line_is_book = 1;
8675 tempStats.nr_moves = 0;
8676 tempStats.moves_left = 0;
8678 tempStats.line_is_book = 0;
8681 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8682 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8684 SendProgramStatsToFrontend( cps, &tempStats );
8687 [AS] Protect the thinkOutput buffer from overflow... this
8688 is only useful if buf1 hasn't overflowed first!
8690 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8692 (gameMode == TwoMachinesPlay ?
8693 ToUpper(cps->twoMachinesColor[0]) : ' '),
8694 ((double) curscore) / 100.0,
8695 prefixHint ? lastHint : "",
8696 prefixHint ? " " : "" );
8698 if( buf1[0] != NULLCHAR ) {
8699 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8701 if( strlen(pv) > max_len ) {
8702 if( appData.debugMode) {
8703 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8705 pv[max_len+1] = '\0';
8708 strcat( thinkOutput, pv);
8711 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8712 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8713 DisplayMove(currentMove - 1);
8717 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8718 /* crafty (9.25+) says "(only move) <move>"
8719 * if there is only 1 legal move
8721 sscanf(p, "(only move) %s", buf1);
8722 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8723 sprintf(programStats.movelist, "%s (only move)", buf1);
8724 programStats.depth = 1;
8725 programStats.nr_moves = 1;
8726 programStats.moves_left = 1;
8727 programStats.nodes = 1;
8728 programStats.time = 1;
8729 programStats.got_only_move = 1;
8731 /* Not really, but we also use this member to
8732 mean "line isn't going to change" (Crafty
8733 isn't searching, so stats won't change) */
8734 programStats.line_is_book = 1;
8736 SendProgramStatsToFrontend( cps, &programStats );
8738 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8739 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8740 DisplayMove(currentMove - 1);
8743 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8744 &time, &nodes, &plylev, &mvleft,
8745 &mvtot, mvname) >= 5) {
8746 /* The stat01: line is from Crafty (9.29+) in response
8747 to the "." command */
8748 programStats.seen_stat = 1;
8749 cps->maybeThinking = TRUE;
8751 if (programStats.got_only_move || !appData.periodicUpdates)
8754 programStats.depth = plylev;
8755 programStats.time = time;
8756 programStats.nodes = nodes;
8757 programStats.moves_left = mvleft;
8758 programStats.nr_moves = mvtot;
8759 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8760 programStats.ok_to_send = 1;
8761 programStats.movelist[0] = '\0';
8763 SendProgramStatsToFrontend( cps, &programStats );
8767 } else if (strncmp(message,"++",2) == 0) {
8768 /* Crafty 9.29+ outputs this */
8769 programStats.got_fail = 2;
8772 } else if (strncmp(message,"--",2) == 0) {
8773 /* Crafty 9.29+ outputs this */
8774 programStats.got_fail = 1;
8777 } else if (thinkOutput[0] != NULLCHAR &&
8778 strncmp(message, " ", 4) == 0) {
8779 unsigned message_len;
8782 while (*p && *p == ' ') p++;
8784 message_len = strlen( p );
8786 /* [AS] Avoid buffer overflow */
8787 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8788 strcat(thinkOutput, " ");
8789 strcat(thinkOutput, p);
8792 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8793 strcat(programStats.movelist, " ");
8794 strcat(programStats.movelist, p);
8797 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8798 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8799 DisplayMove(currentMove - 1);
8807 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8808 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8810 ChessProgramStats cpstats;
8812 if (plyext != ' ' && plyext != '\t') {
8816 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8817 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8818 curscore = -curscore;
8821 cpstats.depth = plylev;
8822 cpstats.nodes = nodes;
8823 cpstats.time = time;
8824 cpstats.score = curscore;
8825 cpstats.got_only_move = 0;
8826 cpstats.movelist[0] = '\0';
8828 if (buf1[0] != NULLCHAR) {
8829 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8832 cpstats.ok_to_send = 0;
8833 cpstats.line_is_book = 0;
8834 cpstats.nr_moves = 0;
8835 cpstats.moves_left = 0;
8837 SendProgramStatsToFrontend( cps, &cpstats );
8844 /* Parse a game score from the character string "game", and
8845 record it as the history of the current game. The game
8846 score is NOT assumed to start from the standard position.
8847 The display is not updated in any way.
8850 ParseGameHistory(game)
8854 int fromX, fromY, toX, toY, boardIndex;
8859 if (appData.debugMode)
8860 fprintf(debugFP, "Parsing game history: %s\n", game);
8862 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8863 gameInfo.site = StrSave(appData.icsHost);
8864 gameInfo.date = PGNDate();
8865 gameInfo.round = StrSave("-");
8867 /* Parse out names of players */
8868 while (*game == ' ') game++;
8870 while (*game != ' ') *p++ = *game++;
8872 gameInfo.white = StrSave(buf);
8873 while (*game == ' ') game++;
8875 while (*game != ' ' && *game != '\n') *p++ = *game++;
8877 gameInfo.black = StrSave(buf);
8880 boardIndex = blackPlaysFirst ? 1 : 0;
8883 yyboardindex = boardIndex;
8884 moveType = (ChessMove) Myylex();
8886 case IllegalMove: /* maybe suicide chess, etc. */
8887 if (appData.debugMode) {
8888 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8889 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8890 setbuf(debugFP, NULL);
8892 case WhitePromotion:
8893 case BlackPromotion:
8894 case WhiteNonPromotion:
8895 case BlackNonPromotion:
8897 case WhiteCapturesEnPassant:
8898 case BlackCapturesEnPassant:
8899 case WhiteKingSideCastle:
8900 case WhiteQueenSideCastle:
8901 case BlackKingSideCastle:
8902 case BlackQueenSideCastle:
8903 case WhiteKingSideCastleWild:
8904 case WhiteQueenSideCastleWild:
8905 case BlackKingSideCastleWild:
8906 case BlackQueenSideCastleWild:
8908 case WhiteHSideCastleFR:
8909 case WhiteASideCastleFR:
8910 case BlackHSideCastleFR:
8911 case BlackASideCastleFR:
8913 fromX = currentMoveString[0] - AAA;
8914 fromY = currentMoveString[1] - ONE;
8915 toX = currentMoveString[2] - AAA;
8916 toY = currentMoveString[3] - ONE;
8917 promoChar = currentMoveString[4];
8921 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8922 fromX = moveType == WhiteDrop ?
8923 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8924 (int) CharToPiece(ToLower(currentMoveString[0]));
8926 toX = currentMoveString[2] - AAA;
8927 toY = currentMoveString[3] - ONE;
8928 promoChar = NULLCHAR;
8932 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8933 if (appData.debugMode) {
8934 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8935 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8936 setbuf(debugFP, NULL);
8938 DisplayError(buf, 0);
8940 case ImpossibleMove:
8942 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8943 if (appData.debugMode) {
8944 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8945 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8946 setbuf(debugFP, NULL);
8948 DisplayError(buf, 0);
8951 if (boardIndex < backwardMostMove) {
8952 /* Oops, gap. How did that happen? */
8953 DisplayError(_("Gap in move list"), 0);
8956 backwardMostMove = blackPlaysFirst ? 1 : 0;
8957 if (boardIndex > forwardMostMove) {
8958 forwardMostMove = boardIndex;
8962 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8963 strcat(parseList[boardIndex-1], " ");
8964 strcat(parseList[boardIndex-1], yy_text);
8976 case GameUnfinished:
8977 if (gameMode == IcsExamining) {
8978 if (boardIndex < backwardMostMove) {
8979 /* Oops, gap. How did that happen? */
8982 backwardMostMove = blackPlaysFirst ? 1 : 0;
8985 gameInfo.result = moveType;
8986 p = strchr(yy_text, '{');
8987 if (p == NULL) p = strchr(yy_text, '(');
8990 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8992 q = strchr(p, *p == '{' ? '}' : ')');
8993 if (q != NULL) *q = NULLCHAR;
8996 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8997 gameInfo.resultDetails = StrSave(p);
9000 if (boardIndex >= forwardMostMove &&
9001 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9002 backwardMostMove = blackPlaysFirst ? 1 : 0;
9005 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9006 fromY, fromX, toY, toX, promoChar,
9007 parseList[boardIndex]);
9008 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9009 /* currentMoveString is set as a side-effect of yylex */
9010 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9011 strcat(moveList[boardIndex], "\n");
9013 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9014 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9020 if(gameInfo.variant != VariantShogi)
9021 strcat(parseList[boardIndex - 1], "+");
9025 strcat(parseList[boardIndex - 1], "#");
9032 /* Apply a move to the given board */
9034 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9035 int fromX, fromY, toX, toY;
9039 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9040 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9042 /* [HGM] compute & store e.p. status and castling rights for new position */
9043 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9045 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9046 oldEP = (signed char)board[EP_STATUS];
9047 board[EP_STATUS] = EP_NONE;
9049 if (fromY == DROP_RANK) {
9051 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9052 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9055 piece = board[toY][toX] = (ChessSquare) fromX;
9059 if( board[toY][toX] != EmptySquare )
9060 board[EP_STATUS] = EP_CAPTURE;
9062 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9063 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9064 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9066 if( board[fromY][fromX] == WhitePawn ) {
9067 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9068 board[EP_STATUS] = EP_PAWN_MOVE;
9070 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9071 gameInfo.variant != VariantBerolina || toX < fromX)
9072 board[EP_STATUS] = toX | berolina;
9073 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9074 gameInfo.variant != VariantBerolina || toX > fromX)
9075 board[EP_STATUS] = toX;
9078 if( board[fromY][fromX] == BlackPawn ) {
9079 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9080 board[EP_STATUS] = EP_PAWN_MOVE;
9081 if( toY-fromY== -2) {
9082 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9083 gameInfo.variant != VariantBerolina || toX < fromX)
9084 board[EP_STATUS] = toX | berolina;
9085 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9086 gameInfo.variant != VariantBerolina || toX > fromX)
9087 board[EP_STATUS] = toX;
9091 for(i=0; i<nrCastlingRights; i++) {
9092 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9093 board[CASTLING][i] == toX && castlingRank[i] == toY
9094 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9097 if (fromX == toX && fromY == toY) return;
9099 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9100 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9101 if(gameInfo.variant == VariantKnightmate)
9102 king += (int) WhiteUnicorn - (int) WhiteKing;
9104 /* Code added by Tord: */
9105 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9106 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9107 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9108 board[fromY][fromX] = EmptySquare;
9109 board[toY][toX] = EmptySquare;
9110 if((toX > fromX) != (piece == WhiteRook)) {
9111 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9113 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9115 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9116 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9117 board[fromY][fromX] = EmptySquare;
9118 board[toY][toX] = EmptySquare;
9119 if((toX > fromX) != (piece == BlackRook)) {
9120 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9122 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9124 /* End of code added by Tord */
9126 } else if (board[fromY][fromX] == king
9127 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9128 && toY == fromY && toX > fromX+1) {
9129 board[fromY][fromX] = EmptySquare;
9130 board[toY][toX] = king;
9131 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9132 board[fromY][BOARD_RGHT-1] = EmptySquare;
9133 } else if (board[fromY][fromX] == king
9134 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9135 && toY == fromY && toX < fromX-1) {
9136 board[fromY][fromX] = EmptySquare;
9137 board[toY][toX] = king;
9138 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9139 board[fromY][BOARD_LEFT] = EmptySquare;
9140 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9141 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9142 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9144 /* white pawn promotion */
9145 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9146 if(gameInfo.variant==VariantBughouse ||
9147 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9148 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9149 board[fromY][fromX] = EmptySquare;
9150 } else if ((fromY >= BOARD_HEIGHT>>1)
9152 && gameInfo.variant != VariantXiangqi
9153 && gameInfo.variant != VariantBerolina
9154 && (board[fromY][fromX] == WhitePawn)
9155 && (board[toY][toX] == EmptySquare)) {
9156 board[fromY][fromX] = EmptySquare;
9157 board[toY][toX] = WhitePawn;
9158 captured = board[toY - 1][toX];
9159 board[toY - 1][toX] = EmptySquare;
9160 } else if ((fromY == BOARD_HEIGHT-4)
9162 && gameInfo.variant == VariantBerolina
9163 && (board[fromY][fromX] == WhitePawn)
9164 && (board[toY][toX] == EmptySquare)) {
9165 board[fromY][fromX] = EmptySquare;
9166 board[toY][toX] = WhitePawn;
9167 if(oldEP & EP_BEROLIN_A) {
9168 captured = board[fromY][fromX-1];
9169 board[fromY][fromX-1] = EmptySquare;
9170 }else{ captured = board[fromY][fromX+1];
9171 board[fromY][fromX+1] = EmptySquare;
9173 } else if (board[fromY][fromX] == king
9174 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9175 && toY == fromY && toX > fromX+1) {
9176 board[fromY][fromX] = EmptySquare;
9177 board[toY][toX] = king;
9178 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9179 board[fromY][BOARD_RGHT-1] = EmptySquare;
9180 } else if (board[fromY][fromX] == king
9181 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9182 && toY == fromY && toX < fromX-1) {
9183 board[fromY][fromX] = EmptySquare;
9184 board[toY][toX] = king;
9185 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9186 board[fromY][BOARD_LEFT] = EmptySquare;
9187 } else if (fromY == 7 && fromX == 3
9188 && board[fromY][fromX] == BlackKing
9189 && toY == 7 && toX == 5) {
9190 board[fromY][fromX] = EmptySquare;
9191 board[toY][toX] = BlackKing;
9192 board[fromY][7] = EmptySquare;
9193 board[toY][4] = BlackRook;
9194 } else if (fromY == 7 && fromX == 3
9195 && board[fromY][fromX] == BlackKing
9196 && toY == 7 && toX == 1) {
9197 board[fromY][fromX] = EmptySquare;
9198 board[toY][toX] = BlackKing;
9199 board[fromY][0] = EmptySquare;
9200 board[toY][2] = BlackRook;
9201 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9202 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9203 && toY < promoRank && promoChar
9205 /* black pawn promotion */
9206 board[toY][toX] = CharToPiece(ToLower(promoChar));
9207 if(gameInfo.variant==VariantBughouse ||
9208 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9209 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9210 board[fromY][fromX] = EmptySquare;
9211 } else if ((fromY < BOARD_HEIGHT>>1)
9213 && gameInfo.variant != VariantXiangqi
9214 && gameInfo.variant != VariantBerolina
9215 && (board[fromY][fromX] == BlackPawn)
9216 && (board[toY][toX] == EmptySquare)) {
9217 board[fromY][fromX] = EmptySquare;
9218 board[toY][toX] = BlackPawn;
9219 captured = board[toY + 1][toX];
9220 board[toY + 1][toX] = EmptySquare;
9221 } else if ((fromY == 3)
9223 && gameInfo.variant == VariantBerolina
9224 && (board[fromY][fromX] == BlackPawn)
9225 && (board[toY][toX] == EmptySquare)) {
9226 board[fromY][fromX] = EmptySquare;
9227 board[toY][toX] = BlackPawn;
9228 if(oldEP & EP_BEROLIN_A) {
9229 captured = board[fromY][fromX-1];
9230 board[fromY][fromX-1] = EmptySquare;
9231 }else{ captured = board[fromY][fromX+1];
9232 board[fromY][fromX+1] = EmptySquare;
9235 board[toY][toX] = board[fromY][fromX];
9236 board[fromY][fromX] = EmptySquare;
9240 if (gameInfo.holdingsWidth != 0) {
9242 /* !!A lot more code needs to be written to support holdings */
9243 /* [HGM] OK, so I have written it. Holdings are stored in the */
9244 /* penultimate board files, so they are automaticlly stored */
9245 /* in the game history. */
9246 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9247 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9248 /* Delete from holdings, by decreasing count */
9249 /* and erasing image if necessary */
9250 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9251 if(p < (int) BlackPawn) { /* white drop */
9252 p -= (int)WhitePawn;
9253 p = PieceToNumber((ChessSquare)p);
9254 if(p >= gameInfo.holdingsSize) p = 0;
9255 if(--board[p][BOARD_WIDTH-2] <= 0)
9256 board[p][BOARD_WIDTH-1] = EmptySquare;
9257 if((int)board[p][BOARD_WIDTH-2] < 0)
9258 board[p][BOARD_WIDTH-2] = 0;
9259 } else { /* black drop */
9260 p -= (int)BlackPawn;
9261 p = PieceToNumber((ChessSquare)p);
9262 if(p >= gameInfo.holdingsSize) p = 0;
9263 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9264 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9265 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9266 board[BOARD_HEIGHT-1-p][1] = 0;
9269 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9270 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9271 /* [HGM] holdings: Add to holdings, if holdings exist */
9272 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9273 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9274 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9277 if (p >= (int) BlackPawn) {
9278 p -= (int)BlackPawn;
9279 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9280 /* in Shogi restore piece to its original first */
9281 captured = (ChessSquare) (DEMOTED captured);
9284 p = PieceToNumber((ChessSquare)p);
9285 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9286 board[p][BOARD_WIDTH-2]++;
9287 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9289 p -= (int)WhitePawn;
9290 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9291 captured = (ChessSquare) (DEMOTED captured);
9294 p = PieceToNumber((ChessSquare)p);
9295 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9296 board[BOARD_HEIGHT-1-p][1]++;
9297 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9300 } else if (gameInfo.variant == VariantAtomic) {
9301 if (captured != EmptySquare) {
9303 for (y = toY-1; y <= toY+1; y++) {
9304 for (x = toX-1; x <= toX+1; x++) {
9305 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9306 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9307 board[y][x] = EmptySquare;
9311 board[toY][toX] = EmptySquare;
9314 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9315 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9317 if(promoChar == '+') {
9318 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9319 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9320 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9321 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9323 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9324 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9325 // [HGM] superchess: take promotion piece out of holdings
9326 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9327 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9328 if(!--board[k][BOARD_WIDTH-2])
9329 board[k][BOARD_WIDTH-1] = EmptySquare;
9331 if(!--board[BOARD_HEIGHT-1-k][1])
9332 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9338 /* Updates forwardMostMove */
9340 MakeMove(fromX, fromY, toX, toY, promoChar)
9341 int fromX, fromY, toX, toY;
9344 // forwardMostMove++; // [HGM] bare: moved downstream
9346 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9347 int timeLeft; static int lastLoadFlag=0; int king, piece;
9348 piece = boards[forwardMostMove][fromY][fromX];
9349 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9350 if(gameInfo.variant == VariantKnightmate)
9351 king += (int) WhiteUnicorn - (int) WhiteKing;
9352 if(forwardMostMove == 0) {
9354 fprintf(serverMoves, "%s;", second.tidy);
9355 fprintf(serverMoves, "%s;", first.tidy);
9356 if(!blackPlaysFirst)
9357 fprintf(serverMoves, "%s;", second.tidy);
9358 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9359 lastLoadFlag = loadFlag;
9361 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9362 // print castling suffix
9363 if( toY == fromY && piece == king ) {
9365 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9367 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9370 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9371 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9372 boards[forwardMostMove][toY][toX] == EmptySquare
9373 && fromX != toX && fromY != toY)
9374 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9376 if(promoChar != NULLCHAR)
9377 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9379 fprintf(serverMoves, "/%d/%d",
9380 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9381 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9382 else timeLeft = blackTimeRemaining/1000;
9383 fprintf(serverMoves, "/%d", timeLeft);
9385 fflush(serverMoves);
9388 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9389 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9393 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9394 if (commentList[forwardMostMove+1] != NULL) {
9395 free(commentList[forwardMostMove+1]);
9396 commentList[forwardMostMove+1] = NULL;
9398 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9399 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9400 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9401 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9402 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9403 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9404 gameInfo.result = GameUnfinished;
9405 if (gameInfo.resultDetails != NULL) {
9406 free(gameInfo.resultDetails);
9407 gameInfo.resultDetails = NULL;
9409 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9410 moveList[forwardMostMove - 1]);
9411 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9412 PosFlags(forwardMostMove - 1),
9413 fromY, fromX, toY, toX, promoChar,
9414 parseList[forwardMostMove - 1]);
9415 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9421 if(gameInfo.variant != VariantShogi)
9422 strcat(parseList[forwardMostMove - 1], "+");
9426 strcat(parseList[forwardMostMove - 1], "#");
9429 if (appData.debugMode) {
9430 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9435 /* Updates currentMove if not pausing */
9437 ShowMove(fromX, fromY, toX, toY)
9439 int instant = (gameMode == PlayFromGameFile) ?
9440 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9441 if(appData.noGUI) return;
9442 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9444 if (forwardMostMove == currentMove + 1) {
9445 AnimateMove(boards[forwardMostMove - 1],
9446 fromX, fromY, toX, toY);
9448 if (appData.highlightLastMove) {
9449 SetHighlights(fromX, fromY, toX, toY);
9452 currentMove = forwardMostMove;
9455 if (instant) return;
9457 DisplayMove(currentMove - 1);
9458 DrawPosition(FALSE, boards[currentMove]);
9459 DisplayBothClocks();
9460 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9461 DisplayBook(currentMove);
9464 void SendEgtPath(ChessProgramState *cps)
9465 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9466 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9468 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9471 char c, *q = name+1, *r, *s;
9473 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9474 while(*p && *p != ',') *q++ = *p++;
9476 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9477 strcmp(name, ",nalimov:") == 0 ) {
9478 // take nalimov path from the menu-changeable option first, if it is defined
9479 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9480 SendToProgram(buf,cps); // send egtbpath command for nalimov
9482 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9483 (s = StrStr(appData.egtFormats, name)) != NULL) {
9484 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9485 s = r = StrStr(s, ":") + 1; // beginning of path info
9486 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9487 c = *r; *r = 0; // temporarily null-terminate path info
9488 *--q = 0; // strip of trailig ':' from name
9489 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9491 SendToProgram(buf,cps); // send egtbpath command for this format
9493 if(*p == ',') p++; // read away comma to position for next format name
9498 InitChessProgram(cps, setup)
9499 ChessProgramState *cps;
9500 int setup; /* [HGM] needed to setup FRC opening position */
9502 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9503 if (appData.noChessProgram) return;
9504 hintRequested = FALSE;
9505 bookRequested = FALSE;
9507 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9508 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9509 if(cps->memSize) { /* [HGM] memory */
9510 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9511 SendToProgram(buf, cps);
9513 SendEgtPath(cps); /* [HGM] EGT */
9514 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9515 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9516 SendToProgram(buf, cps);
9519 SendToProgram(cps->initString, cps);
9520 if (gameInfo.variant != VariantNormal &&
9521 gameInfo.variant != VariantLoadable
9522 /* [HGM] also send variant if board size non-standard */
9523 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9525 char *v = VariantName(gameInfo.variant);
9526 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9527 /* [HGM] in protocol 1 we have to assume all variants valid */
9528 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9529 DisplayFatalError(buf, 0, 1);
9533 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9534 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9535 if( gameInfo.variant == VariantXiangqi )
9536 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9537 if( gameInfo.variant == VariantShogi )
9538 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9539 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9540 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9541 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9542 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9543 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9544 if( gameInfo.variant == VariantCourier )
9545 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9546 if( gameInfo.variant == VariantSuper )
9547 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9548 if( gameInfo.variant == VariantGreat )
9549 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9550 if( gameInfo.variant == VariantSChess )
9551 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9552 if( gameInfo.variant == VariantGrand )
9553 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9556 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9557 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9558 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9559 if(StrStr(cps->variants, b) == NULL) {
9560 // specific sized variant not known, check if general sizing allowed
9561 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9562 if(StrStr(cps->variants, "boardsize") == NULL) {
9563 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9564 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9565 DisplayFatalError(buf, 0, 1);
9568 /* [HGM] here we really should compare with the maximum supported board size */
9571 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9572 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9573 SendToProgram(buf, cps);
9575 currentlyInitializedVariant = gameInfo.variant;
9577 /* [HGM] send opening position in FRC to first engine */
9579 SendToProgram("force\n", cps);
9581 /* engine is now in force mode! Set flag to wake it up after first move. */
9582 setboardSpoiledMachineBlack = 1;
9586 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9587 SendToProgram(buf, cps);
9589 cps->maybeThinking = FALSE;
9590 cps->offeredDraw = 0;
9591 if (!appData.icsActive) {
9592 SendTimeControl(cps, movesPerSession, timeControl,
9593 timeIncrement, appData.searchDepth,
9596 if (appData.showThinking
9597 // [HGM] thinking: four options require thinking output to be sent
9598 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9600 SendToProgram("post\n", cps);
9602 SendToProgram("hard\n", cps);
9603 if (!appData.ponderNextMove) {
9604 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9605 it without being sure what state we are in first. "hard"
9606 is not a toggle, so that one is OK.
9608 SendToProgram("easy\n", cps);
9611 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9612 SendToProgram(buf, cps);
9614 cps->initDone = TRUE;
9615 ClearEngineOutputPane(cps == &second);
9620 StartChessProgram(cps)
9621 ChessProgramState *cps;
9626 if (appData.noChessProgram) return;
9627 cps->initDone = FALSE;
9629 if (strcmp(cps->host, "localhost") == 0) {
9630 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9631 } else if (*appData.remoteShell == NULLCHAR) {
9632 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9634 if (*appData.remoteUser == NULLCHAR) {
9635 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9638 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9639 cps->host, appData.remoteUser, cps->program);
9641 err = StartChildProcess(buf, "", &cps->pr);
9645 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9646 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9647 if(cps != &first) return;
9648 appData.noChessProgram = TRUE;
9651 // DisplayFatalError(buf, err, 1);
9652 // cps->pr = NoProc;
9657 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9658 if (cps->protocolVersion > 1) {
9659 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9660 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9661 cps->comboCnt = 0; // and values of combo boxes
9662 SendToProgram(buf, cps);
9664 SendToProgram("xboard\n", cps);
9669 TwoMachinesEventIfReady P((void))
9671 static int curMess = 0;
9672 if (first.lastPing != first.lastPong) {
9673 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9674 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9677 if (second.lastPing != second.lastPong) {
9678 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9679 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9682 DisplayMessage("", ""); curMess = 0;
9688 MakeName(char *template)
9692 static char buf[MSG_SIZ];
9696 clock = time((time_t *)NULL);
9697 tm = localtime(&clock);
9699 while(*p++ = *template++) if(p[-1] == '%') {
9700 switch(*template++) {
9701 case 0: *p = 0; return buf;
9702 case 'Y': i = tm->tm_year+1900; break;
9703 case 'y': i = tm->tm_year-100; break;
9704 case 'M': i = tm->tm_mon+1; break;
9705 case 'd': i = tm->tm_mday; break;
9706 case 'h': i = tm->tm_hour; break;
9707 case 'm': i = tm->tm_min; break;
9708 case 's': i = tm->tm_sec; break;
9711 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9717 CountPlayers(char *p)
9720 while(p = strchr(p, '\n')) p++, n++; // count participants
9725 WriteTourneyFile(char *results, FILE *f)
9726 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9727 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9728 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9729 // create a file with tournament description
9730 fprintf(f, "-participants {%s}\n", appData.participants);
9731 fprintf(f, "-seedBase %d\n", appData.seedBase);
9732 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9733 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9734 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9735 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9736 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9737 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9738 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9739 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9740 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9741 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9742 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9744 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9746 fprintf(f, "-mps %d\n", appData.movesPerSession);
9747 fprintf(f, "-tc %s\n", appData.timeControl);
9748 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9750 fprintf(f, "-results \"%s\"\n", results);
9755 #define MAXENGINES 1000
9756 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9758 void Substitute(char *participants, int expunge)
9760 int i, changed, changes=0, nPlayers=0;
9761 char *p, *q, *r, buf[MSG_SIZ];
9762 if(participants == NULL) return;
9763 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9764 r = p = participants; q = appData.participants;
9765 while(*p && *p == *q) {
9766 if(*p == '\n') r = p+1, nPlayers++;
9769 if(*p) { // difference
9770 while(*p && *p++ != '\n');
9771 while(*q && *q++ != '\n');
9773 changes = 1 + (strcmp(p, q) != 0);
9775 if(changes == 1) { // a single engine mnemonic was changed
9776 q = r; while(*q) nPlayers += (*q++ == '\n');
9777 p = buf; while(*r && (*p = *r++) != '\n') p++;
9779 NamesToList(firstChessProgramNames, command, mnemonic);
9780 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9781 if(mnemonic[i]) { // The substitute is valid
9783 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9784 flock(fileno(f), LOCK_EX);
9785 ParseArgsFromFile(f);
9786 fseek(f, 0, SEEK_SET);
9787 FREE(appData.participants); appData.participants = participants;
9788 if(expunge) { // erase results of replaced engine
9789 int len = strlen(appData.results), w, b, dummy;
9790 for(i=0; i<len; i++) {
9791 Pairing(i, nPlayers, &w, &b, &dummy);
9792 if((w == changed || b == changed) && appData.results[i] == '*') {
9793 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9798 for(i=0; i<len; i++) {
9799 Pairing(i, nPlayers, &w, &b, &dummy);
9800 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9803 WriteTourneyFile(appData.results, f);
9804 fclose(f); // release lock
9807 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9809 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9810 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9816 CreateTourney(char *name)
9819 if(matchMode && strcmp(name, appData.tourneyFile)) {
9820 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9822 if(name[0] == NULLCHAR) {
9823 if(appData.participants[0])
9824 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9827 f = fopen(name, "r");
9828 if(f) { // file exists
9829 ASSIGN(appData.tourneyFile, name);
9830 ParseArgsFromFile(f); // parse it
9832 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9833 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9834 DisplayError(_("Not enough participants"), 0);
9837 ASSIGN(appData.tourneyFile, name);
9838 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9839 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9842 appData.noChessProgram = FALSE;
9843 appData.clockMode = TRUE;
9848 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9850 char buf[MSG_SIZ], *p, *q;
9854 while(*p && *p != '\n') *q++ = *p++;
9856 if(engineList[i]) free(engineList[i]);
9857 engineList[i] = strdup(buf);
9859 TidyProgramName(engineList[i], "localhost", buf);
9860 if(engineMnemonic[i]) free(engineMnemonic[i]);
9861 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9863 sscanf(q + 8, "%s", buf + strlen(buf));
9866 engineMnemonic[i] = strdup(buf);
9868 if(i > MAXENGINES - 2) break;
9870 engineList[i] = engineMnemonic[i] = NULL;
9873 // following implemented as macro to avoid type limitations
9874 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9876 void SwapEngines(int n)
9877 { // swap settings for first engine and other engine (so far only some selected options)
9882 SWAP(chessProgram, p)
9884 SWAP(hasOwnBookUCI, h)
9885 SWAP(protocolVersion, h)
9887 SWAP(scoreIsAbsolute, h)
9895 SetPlayer(int player)
9896 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9898 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9899 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9900 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9901 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9903 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9904 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9905 ParseArgsFromString(buf);
9911 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9912 { // determine players from game number
9913 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9915 if(appData.tourneyType == 0) {
9916 roundsPerCycle = (nPlayers - 1) | 1;
9917 pairingsPerRound = nPlayers / 2;
9918 } else if(appData.tourneyType > 0) {
9919 roundsPerCycle = nPlayers - appData.tourneyType;
9920 pairingsPerRound = appData.tourneyType;
9922 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9923 gamesPerCycle = gamesPerRound * roundsPerCycle;
9924 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9925 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9926 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9927 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9928 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9929 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9931 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9932 if(appData.roundSync) *syncInterval = gamesPerRound;
9934 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9936 if(appData.tourneyType == 0) {
9937 if(curPairing == (nPlayers-1)/2 ) {
9938 *whitePlayer = curRound;
9939 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9941 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9942 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9943 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9944 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9946 } else if(appData.tourneyType > 0) {
9947 *whitePlayer = curPairing;
9948 *blackPlayer = curRound + appData.tourneyType;
9951 // take care of white/black alternation per round.
9952 // For cycles and games this is already taken care of by default, derived from matchGame!
9953 return curRound & 1;
9957 NextTourneyGame(int nr, int *swapColors)
9958 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9960 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9962 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9963 tf = fopen(appData.tourneyFile, "r");
9964 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9965 ParseArgsFromFile(tf); fclose(tf);
9966 InitTimeControls(); // TC might be altered from tourney file
9968 nPlayers = CountPlayers(appData.participants); // count participants
9969 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
9970 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9973 p = q = appData.results;
9974 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9975 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9976 DisplayMessage(_("Waiting for other game(s)"),"");
9977 waitingForGame = TRUE;
9978 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9981 waitingForGame = FALSE;
9984 if(appData.tourneyType < 0) {
9985 if(nr>=0 && !pairingReceived) {
9987 if(pairing.pr == NoProc) {
9988 if(!appData.pairingEngine[0]) {
9989 DisplayFatalError(_("No pairing engine specified"), 0, 1);
9992 StartChessProgram(&pairing); // starts the pairing engine
9994 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
9995 SendToProgram(buf, &pairing);
9996 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
9997 SendToProgram(buf, &pairing);
9998 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10000 pairingReceived = 0; // ... so we continue here
10002 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10003 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10004 matchGame = 1; roundNr = nr / syncInterval + 1;
10007 if(first.pr != NoProc) return 1; // engines already loaded
10009 // redefine engines, engine dir, etc.
10010 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10011 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10013 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10014 SwapEngines(1); // and make that valid for second engine by swapping
10015 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10016 InitEngine(&second, 1);
10017 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10018 UpdateLogos(FALSE); // leave display to ModeHiglight()
10024 { // performs game initialization that does not invoke engines, and then tries to start the game
10025 int firstWhite, swapColors = 0;
10026 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10027 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10028 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10029 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10030 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10031 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10032 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10033 Reset(FALSE, first.pr != NoProc);
10034 appData.noChessProgram = FALSE;
10035 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
10036 TwoMachinesEvent();
10039 void UserAdjudicationEvent( int result )
10041 ChessMove gameResult = GameIsDrawn;
10044 gameResult = WhiteWins;
10046 else if( result < 0 ) {
10047 gameResult = BlackWins;
10050 if( gameMode == TwoMachinesPlay ) {
10051 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10056 // [HGM] save: calculate checksum of game to make games easily identifiable
10057 int StringCheckSum(char *s)
10060 if(s==NULL) return 0;
10061 while(*s) i = i*259 + *s++;
10068 for(i=backwardMostMove; i<forwardMostMove; i++) {
10069 sum += pvInfoList[i].depth;
10070 sum += StringCheckSum(parseList[i]);
10071 sum += StringCheckSum(commentList[i]);
10074 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10075 return sum + StringCheckSum(commentList[i]);
10076 } // end of save patch
10079 GameEnds(result, resultDetails, whosays)
10081 char *resultDetails;
10084 GameMode nextGameMode;
10086 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10088 if(endingGame) return; /* [HGM] crash: forbid recursion */
10090 if(twoBoards) { // [HGM] dual: switch back to one board
10091 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10092 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10094 if (appData.debugMode) {
10095 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10096 result, resultDetails ? resultDetails : "(null)", whosays);
10099 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10101 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10102 /* If we are playing on ICS, the server decides when the
10103 game is over, but the engine can offer to draw, claim
10107 if (appData.zippyPlay && first.initDone) {
10108 if (result == GameIsDrawn) {
10109 /* In case draw still needs to be claimed */
10110 SendToICS(ics_prefix);
10111 SendToICS("draw\n");
10112 } else if (StrCaseStr(resultDetails, "resign")) {
10113 SendToICS(ics_prefix);
10114 SendToICS("resign\n");
10118 endingGame = 0; /* [HGM] crash */
10122 /* If we're loading the game from a file, stop */
10123 if (whosays == GE_FILE) {
10124 (void) StopLoadGameTimer();
10128 /* Cancel draw offers */
10129 first.offeredDraw = second.offeredDraw = 0;
10131 /* If this is an ICS game, only ICS can really say it's done;
10132 if not, anyone can. */
10133 isIcsGame = (gameMode == IcsPlayingWhite ||
10134 gameMode == IcsPlayingBlack ||
10135 gameMode == IcsObserving ||
10136 gameMode == IcsExamining);
10138 if (!isIcsGame || whosays == GE_ICS) {
10139 /* OK -- not an ICS game, or ICS said it was done */
10141 if (!isIcsGame && !appData.noChessProgram)
10142 SetUserThinkingEnables();
10144 /* [HGM] if a machine claims the game end we verify this claim */
10145 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10146 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10148 ChessMove trueResult = (ChessMove) -1;
10150 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10151 first.twoMachinesColor[0] :
10152 second.twoMachinesColor[0] ;
10154 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10155 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10156 /* [HGM] verify: engine mate claims accepted if they were flagged */
10157 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10159 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10160 /* [HGM] verify: engine mate claims accepted if they were flagged */
10161 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10163 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10164 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10167 // now verify win claims, but not in drop games, as we don't understand those yet
10168 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10169 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10170 (result == WhiteWins && claimer == 'w' ||
10171 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10172 if (appData.debugMode) {
10173 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10174 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10176 if(result != trueResult) {
10177 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10178 result = claimer == 'w' ? BlackWins : WhiteWins;
10179 resultDetails = buf;
10182 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10183 && (forwardMostMove <= backwardMostMove ||
10184 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10185 (claimer=='b')==(forwardMostMove&1))
10187 /* [HGM] verify: draws that were not flagged are false claims */
10188 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10189 result = claimer == 'w' ? BlackWins : WhiteWins;
10190 resultDetails = buf;
10192 /* (Claiming a loss is accepted no questions asked!) */
10194 /* [HGM] bare: don't allow bare King to win */
10195 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10196 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10197 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10198 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10199 && result != GameIsDrawn)
10200 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10201 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10202 int p = (signed char)boards[forwardMostMove][i][j] - color;
10203 if(p >= 0 && p <= (int)WhiteKing) k++;
10205 if (appData.debugMode) {
10206 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10207 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10210 result = GameIsDrawn;
10211 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10212 resultDetails = buf;
10218 if(serverMoves != NULL && !loadFlag) { char c = '=';
10219 if(result==WhiteWins) c = '+';
10220 if(result==BlackWins) c = '-';
10221 if(resultDetails != NULL)
10222 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
10224 if (resultDetails != NULL) {
10225 gameInfo.result = result;
10226 gameInfo.resultDetails = StrSave(resultDetails);
10228 /* display last move only if game was not loaded from file */
10229 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10230 DisplayMove(currentMove - 1);
10232 if (forwardMostMove != 0) {
10233 if (gameMode != PlayFromGameFile && gameMode != EditGame
10234 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10236 if (*appData.saveGameFile != NULLCHAR) {
10237 SaveGameToFile(appData.saveGameFile, TRUE);
10238 } else if (appData.autoSaveGames) {
10241 if (*appData.savePositionFile != NULLCHAR) {
10242 SavePositionToFile(appData.savePositionFile);
10247 /* Tell program how game ended in case it is learning */
10248 /* [HGM] Moved this to after saving the PGN, just in case */
10249 /* engine died and we got here through time loss. In that */
10250 /* case we will get a fatal error writing the pipe, which */
10251 /* would otherwise lose us the PGN. */
10252 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10253 /* output during GameEnds should never be fatal anymore */
10254 if (gameMode == MachinePlaysWhite ||
10255 gameMode == MachinePlaysBlack ||
10256 gameMode == TwoMachinesPlay ||
10257 gameMode == IcsPlayingWhite ||
10258 gameMode == IcsPlayingBlack ||
10259 gameMode == BeginningOfGame) {
10261 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10263 if (first.pr != NoProc) {
10264 SendToProgram(buf, &first);
10266 if (second.pr != NoProc &&
10267 gameMode == TwoMachinesPlay) {
10268 SendToProgram(buf, &second);
10273 if (appData.icsActive) {
10274 if (appData.quietPlay &&
10275 (gameMode == IcsPlayingWhite ||
10276 gameMode == IcsPlayingBlack)) {
10277 SendToICS(ics_prefix);
10278 SendToICS("set shout 1\n");
10280 nextGameMode = IcsIdle;
10281 ics_user_moved = FALSE;
10282 /* clean up premove. It's ugly when the game has ended and the
10283 * premove highlights are still on the board.
10286 gotPremove = FALSE;
10287 ClearPremoveHighlights();
10288 DrawPosition(FALSE, boards[currentMove]);
10290 if (whosays == GE_ICS) {
10293 if (gameMode == IcsPlayingWhite)
10295 else if(gameMode == IcsPlayingBlack)
10296 PlayIcsLossSound();
10299 if (gameMode == IcsPlayingBlack)
10301 else if(gameMode == IcsPlayingWhite)
10302 PlayIcsLossSound();
10305 PlayIcsDrawSound();
10308 PlayIcsUnfinishedSound();
10311 } else if (gameMode == EditGame ||
10312 gameMode == PlayFromGameFile ||
10313 gameMode == AnalyzeMode ||
10314 gameMode == AnalyzeFile) {
10315 nextGameMode = gameMode;
10317 nextGameMode = EndOfGame;
10322 nextGameMode = gameMode;
10325 if (appData.noChessProgram) {
10326 gameMode = nextGameMode;
10328 endingGame = 0; /* [HGM] crash */
10333 /* Put first chess program into idle state */
10334 if (first.pr != NoProc &&
10335 (gameMode == MachinePlaysWhite ||
10336 gameMode == MachinePlaysBlack ||
10337 gameMode == TwoMachinesPlay ||
10338 gameMode == IcsPlayingWhite ||
10339 gameMode == IcsPlayingBlack ||
10340 gameMode == BeginningOfGame)) {
10341 SendToProgram("force\n", &first);
10342 if (first.usePing) {
10344 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10345 SendToProgram(buf, &first);
10348 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10349 /* Kill off first chess program */
10350 if (first.isr != NULL)
10351 RemoveInputSource(first.isr);
10354 if (first.pr != NoProc) {
10356 DoSleep( appData.delayBeforeQuit );
10357 SendToProgram("quit\n", &first);
10358 DoSleep( appData.delayAfterQuit );
10359 DestroyChildProcess(first.pr, first.useSigterm);
10363 if (second.reuse) {
10364 /* Put second chess program into idle state */
10365 if (second.pr != NoProc &&
10366 gameMode == TwoMachinesPlay) {
10367 SendToProgram("force\n", &second);
10368 if (second.usePing) {
10370 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10371 SendToProgram(buf, &second);
10374 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10375 /* Kill off second chess program */
10376 if (second.isr != NULL)
10377 RemoveInputSource(second.isr);
10380 if (second.pr != NoProc) {
10381 DoSleep( appData.delayBeforeQuit );
10382 SendToProgram("quit\n", &second);
10383 DoSleep( appData.delayAfterQuit );
10384 DestroyChildProcess(second.pr, second.useSigterm);
10386 second.pr = NoProc;
10389 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10390 char resChar = '=';
10394 if (first.twoMachinesColor[0] == 'w') {
10397 second.matchWins++;
10402 if (first.twoMachinesColor[0] == 'b') {
10405 second.matchWins++;
10408 case GameUnfinished:
10414 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10415 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10416 ReserveGame(nextGame, resChar); // sets nextGame
10417 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10418 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10419 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10421 if (nextGame <= appData.matchGames && !abortMatch) {
10422 gameMode = nextGameMode;
10423 matchGame = nextGame; // this will be overruled in tourney mode!
10424 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10425 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10426 endingGame = 0; /* [HGM] crash */
10429 gameMode = nextGameMode;
10430 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10431 first.tidy, second.tidy,
10432 first.matchWins, second.matchWins,
10433 appData.matchGames - (first.matchWins + second.matchWins));
10434 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10435 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10436 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10437 first.twoMachinesColor = "black\n";
10438 second.twoMachinesColor = "white\n";
10440 first.twoMachinesColor = "white\n";
10441 second.twoMachinesColor = "black\n";
10445 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10446 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10448 gameMode = nextGameMode;
10450 endingGame = 0; /* [HGM] crash */
10451 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10452 if(matchMode == TRUE) { // match through command line: exit with or without popup
10454 ToNrEvent(forwardMostMove);
10455 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10457 } else DisplayFatalError(buf, 0, 0);
10458 } else { // match through menu; just stop, with or without popup
10459 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10462 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10463 } else DisplayNote(buf);
10465 if(ranking) free(ranking);
10469 /* Assumes program was just initialized (initString sent).
10470 Leaves program in force mode. */
10472 FeedMovesToProgram(cps, upto)
10473 ChessProgramState *cps;
10478 if (appData.debugMode)
10479 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10480 startedFromSetupPosition ? "position and " : "",
10481 backwardMostMove, upto, cps->which);
10482 if(currentlyInitializedVariant != gameInfo.variant) {
10484 // [HGM] variantswitch: make engine aware of new variant
10485 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10486 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10487 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10488 SendToProgram(buf, cps);
10489 currentlyInitializedVariant = gameInfo.variant;
10491 SendToProgram("force\n", cps);
10492 if (startedFromSetupPosition) {
10493 SendBoard(cps, backwardMostMove);
10494 if (appData.debugMode) {
10495 fprintf(debugFP, "feedMoves\n");
10498 for (i = backwardMostMove; i < upto; i++) {
10499 SendMoveToProgram(i, cps);
10505 ResurrectChessProgram()
10507 /* The chess program may have exited.
10508 If so, restart it and feed it all the moves made so far. */
10509 static int doInit = 0;
10511 if (appData.noChessProgram) return 1;
10513 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10514 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10515 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10516 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10518 if (first.pr != NoProc) return 1;
10519 StartChessProgram(&first);
10521 InitChessProgram(&first, FALSE);
10522 FeedMovesToProgram(&first, currentMove);
10524 if (!first.sendTime) {
10525 /* can't tell gnuchess what its clock should read,
10526 so we bow to its notion. */
10528 timeRemaining[0][currentMove] = whiteTimeRemaining;
10529 timeRemaining[1][currentMove] = blackTimeRemaining;
10532 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10533 appData.icsEngineAnalyze) && first.analysisSupport) {
10534 SendToProgram("analyze\n", &first);
10535 first.analyzing = TRUE;
10541 * Button procedures
10544 Reset(redraw, init)
10549 if (appData.debugMode) {
10550 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10551 redraw, init, gameMode);
10553 CleanupTail(); // [HGM] vari: delete any stored variations
10554 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10555 pausing = pauseExamInvalid = FALSE;
10556 startedFromSetupPosition = blackPlaysFirst = FALSE;
10558 whiteFlag = blackFlag = FALSE;
10559 userOfferedDraw = FALSE;
10560 hintRequested = bookRequested = FALSE;
10561 first.maybeThinking = FALSE;
10562 second.maybeThinking = FALSE;
10563 first.bookSuspend = FALSE; // [HGM] book
10564 second.bookSuspend = FALSE;
10565 thinkOutput[0] = NULLCHAR;
10566 lastHint[0] = NULLCHAR;
10567 ClearGameInfo(&gameInfo);
10568 gameInfo.variant = StringToVariant(appData.variant);
10569 ics_user_moved = ics_clock_paused = FALSE;
10570 ics_getting_history = H_FALSE;
10572 white_holding[0] = black_holding[0] = NULLCHAR;
10573 ClearProgramStats();
10574 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10578 flipView = appData.flipView;
10579 ClearPremoveHighlights();
10580 gotPremove = FALSE;
10581 alarmSounded = FALSE;
10583 GameEnds(EndOfFile, NULL, GE_PLAYER);
10584 if(appData.serverMovesName != NULL) {
10585 /* [HGM] prepare to make moves file for broadcasting */
10586 clock_t t = clock();
10587 if(serverMoves != NULL) fclose(serverMoves);
10588 serverMoves = fopen(appData.serverMovesName, "r");
10589 if(serverMoves != NULL) {
10590 fclose(serverMoves);
10591 /* delay 15 sec before overwriting, so all clients can see end */
10592 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10594 serverMoves = fopen(appData.serverMovesName, "w");
10598 gameMode = BeginningOfGame;
10600 if(appData.icsActive) gameInfo.variant = VariantNormal;
10601 currentMove = forwardMostMove = backwardMostMove = 0;
10602 InitPosition(redraw);
10603 for (i = 0; i < MAX_MOVES; i++) {
10604 if (commentList[i] != NULL) {
10605 free(commentList[i]);
10606 commentList[i] = NULL;
10610 timeRemaining[0][0] = whiteTimeRemaining;
10611 timeRemaining[1][0] = blackTimeRemaining;
10613 if (first.pr == NULL) {
10614 StartChessProgram(&first);
10617 InitChessProgram(&first, startedFromSetupPosition);
10620 DisplayMessage("", "");
10621 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10622 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10629 if (!AutoPlayOneMove())
10631 if (matchMode || appData.timeDelay == 0)
10633 if (appData.timeDelay < 0)
10635 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10644 int fromX, fromY, toX, toY;
10646 if (appData.debugMode) {
10647 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10650 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10653 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10654 pvInfoList[currentMove].depth = programStats.depth;
10655 pvInfoList[currentMove].score = programStats.score;
10656 pvInfoList[currentMove].time = 0;
10657 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10660 if (currentMove >= forwardMostMove) {
10661 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10662 // gameMode = EndOfGame;
10663 // ModeHighlight();
10665 /* [AS] Clear current move marker at the end of a game */
10666 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10671 toX = moveList[currentMove][2] - AAA;
10672 toY = moveList[currentMove][3] - ONE;
10674 if (moveList[currentMove][1] == '@') {
10675 if (appData.highlightLastMove) {
10676 SetHighlights(-1, -1, toX, toY);
10679 fromX = moveList[currentMove][0] - AAA;
10680 fromY = moveList[currentMove][1] - ONE;
10682 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10684 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10686 if (appData.highlightLastMove) {
10687 SetHighlights(fromX, fromY, toX, toY);
10690 DisplayMove(currentMove);
10691 SendMoveToProgram(currentMove++, &first);
10692 DisplayBothClocks();
10693 DrawPosition(FALSE, boards[currentMove]);
10694 // [HGM] PV info: always display, routine tests if empty
10695 DisplayComment(currentMove - 1, commentList[currentMove]);
10701 LoadGameOneMove(readAhead)
10702 ChessMove readAhead;
10704 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10705 char promoChar = NULLCHAR;
10706 ChessMove moveType;
10707 char move[MSG_SIZ];
10710 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10711 gameMode != AnalyzeMode && gameMode != Training) {
10716 yyboardindex = forwardMostMove;
10717 if (readAhead != EndOfFile) {
10718 moveType = readAhead;
10720 if (gameFileFP == NULL)
10722 moveType = (ChessMove) Myylex();
10726 switch (moveType) {
10728 if (appData.debugMode)
10729 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10732 /* append the comment but don't display it */
10733 AppendComment(currentMove, p, FALSE);
10736 case WhiteCapturesEnPassant:
10737 case BlackCapturesEnPassant:
10738 case WhitePromotion:
10739 case BlackPromotion:
10740 case WhiteNonPromotion:
10741 case BlackNonPromotion:
10743 case WhiteKingSideCastle:
10744 case WhiteQueenSideCastle:
10745 case BlackKingSideCastle:
10746 case BlackQueenSideCastle:
10747 case WhiteKingSideCastleWild:
10748 case WhiteQueenSideCastleWild:
10749 case BlackKingSideCastleWild:
10750 case BlackQueenSideCastleWild:
10752 case WhiteHSideCastleFR:
10753 case WhiteASideCastleFR:
10754 case BlackHSideCastleFR:
10755 case BlackASideCastleFR:
10757 if (appData.debugMode)
10758 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10759 fromX = currentMoveString[0] - AAA;
10760 fromY = currentMoveString[1] - ONE;
10761 toX = currentMoveString[2] - AAA;
10762 toY = currentMoveString[3] - ONE;
10763 promoChar = currentMoveString[4];
10768 if (appData.debugMode)
10769 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10770 fromX = moveType == WhiteDrop ?
10771 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10772 (int) CharToPiece(ToLower(currentMoveString[0]));
10774 toX = currentMoveString[2] - AAA;
10775 toY = currentMoveString[3] - ONE;
10781 case GameUnfinished:
10782 if (appData.debugMode)
10783 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10784 p = strchr(yy_text, '{');
10785 if (p == NULL) p = strchr(yy_text, '(');
10788 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10790 q = strchr(p, *p == '{' ? '}' : ')');
10791 if (q != NULL) *q = NULLCHAR;
10794 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10795 GameEnds(moveType, p, GE_FILE);
10797 if (cmailMsgLoaded) {
10799 flipView = WhiteOnMove(currentMove);
10800 if (moveType == GameUnfinished) flipView = !flipView;
10801 if (appData.debugMode)
10802 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10807 if (appData.debugMode)
10808 fprintf(debugFP, "Parser hit end of file\n");
10809 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10815 if (WhiteOnMove(currentMove)) {
10816 GameEnds(BlackWins, "Black mates", GE_FILE);
10818 GameEnds(WhiteWins, "White mates", GE_FILE);
10822 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10828 case MoveNumberOne:
10829 if (lastLoadGameStart == GNUChessGame) {
10830 /* GNUChessGames have numbers, but they aren't move numbers */
10831 if (appData.debugMode)
10832 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10833 yy_text, (int) moveType);
10834 return LoadGameOneMove(EndOfFile); /* tail recursion */
10836 /* else fall thru */
10841 /* Reached start of next game in file */
10842 if (appData.debugMode)
10843 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10844 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10850 if (WhiteOnMove(currentMove)) {
10851 GameEnds(BlackWins, "Black mates", GE_FILE);
10853 GameEnds(WhiteWins, "White mates", GE_FILE);
10857 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10863 case PositionDiagram: /* should not happen; ignore */
10864 case ElapsedTime: /* ignore */
10865 case NAG: /* ignore */
10866 if (appData.debugMode)
10867 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10868 yy_text, (int) moveType);
10869 return LoadGameOneMove(EndOfFile); /* tail recursion */
10872 if (appData.testLegality) {
10873 if (appData.debugMode)
10874 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10875 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10876 (forwardMostMove / 2) + 1,
10877 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10878 DisplayError(move, 0);
10881 if (appData.debugMode)
10882 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10883 yy_text, currentMoveString);
10884 fromX = currentMoveString[0] - AAA;
10885 fromY = currentMoveString[1] - ONE;
10886 toX = currentMoveString[2] - AAA;
10887 toY = currentMoveString[3] - ONE;
10888 promoChar = currentMoveString[4];
10892 case AmbiguousMove:
10893 if (appData.debugMode)
10894 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10895 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10896 (forwardMostMove / 2) + 1,
10897 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10898 DisplayError(move, 0);
10903 case ImpossibleMove:
10904 if (appData.debugMode)
10905 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10906 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10907 (forwardMostMove / 2) + 1,
10908 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10909 DisplayError(move, 0);
10915 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10916 DrawPosition(FALSE, boards[currentMove]);
10917 DisplayBothClocks();
10918 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10919 DisplayComment(currentMove - 1, commentList[currentMove]);
10921 (void) StopLoadGameTimer();
10923 cmailOldMove = forwardMostMove;
10926 /* currentMoveString is set as a side-effect of yylex */
10928 thinkOutput[0] = NULLCHAR;
10929 MakeMove(fromX, fromY, toX, toY, promoChar);
10930 currentMove = forwardMostMove;
10935 /* Load the nth game from the given file */
10937 LoadGameFromFile(filename, n, title, useList)
10941 /*Boolean*/ int useList;
10946 if (strcmp(filename, "-") == 0) {
10950 f = fopen(filename, "rb");
10952 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10953 DisplayError(buf, errno);
10957 if (fseek(f, 0, 0) == -1) {
10958 /* f is not seekable; probably a pipe */
10961 if (useList && n == 0) {
10962 int error = GameListBuild(f);
10964 DisplayError(_("Cannot build game list"), error);
10965 } else if (!ListEmpty(&gameList) &&
10966 ((ListGame *) gameList.tailPred)->number > 1) {
10967 GameListPopUp(f, title);
10974 return LoadGame(f, n, title, FALSE);
10979 MakeRegisteredMove()
10981 int fromX, fromY, toX, toY;
10983 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10984 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10987 if (appData.debugMode)
10988 fprintf(debugFP, "Restoring %s for game %d\n",
10989 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10991 thinkOutput[0] = NULLCHAR;
10992 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10993 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10994 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10995 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10996 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10997 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10998 MakeMove(fromX, fromY, toX, toY, promoChar);
10999 ShowMove(fromX, fromY, toX, toY);
11001 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11008 if (WhiteOnMove(currentMove)) {
11009 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11011 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11016 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11023 if (WhiteOnMove(currentMove)) {
11024 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11026 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11031 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11042 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11044 CmailLoadGame(f, gameNumber, title, useList)
11052 if (gameNumber > nCmailGames) {
11053 DisplayError(_("No more games in this message"), 0);
11056 if (f == lastLoadGameFP) {
11057 int offset = gameNumber - lastLoadGameNumber;
11059 cmailMsg[0] = NULLCHAR;
11060 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11061 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11062 nCmailMovesRegistered--;
11064 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11065 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11066 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11069 if (! RegisterMove()) return FALSE;
11073 retVal = LoadGame(f, gameNumber, title, useList);
11075 /* Make move registered during previous look at this game, if any */
11076 MakeRegisteredMove();
11078 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11079 commentList[currentMove]
11080 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11081 DisplayComment(currentMove - 1, commentList[currentMove]);
11087 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11092 int gameNumber = lastLoadGameNumber + offset;
11093 if (lastLoadGameFP == NULL) {
11094 DisplayError(_("No game has been loaded yet"), 0);
11097 if (gameNumber <= 0) {
11098 DisplayError(_("Can't back up any further"), 0);
11101 if (cmailMsgLoaded) {
11102 return CmailLoadGame(lastLoadGameFP, gameNumber,
11103 lastLoadGameTitle, lastLoadGameUseList);
11105 return LoadGame(lastLoadGameFP, gameNumber,
11106 lastLoadGameTitle, lastLoadGameUseList);
11110 int keys[EmptySquare+1];
11113 PositionMatches(Board b1, Board b2)
11116 switch(appData.searchMode) {
11117 case 1: return CompareWithRights(b1, b2);
11119 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11120 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11124 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11125 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11126 sum += keys[b1[r][f]] - keys[b2[r][f]];
11130 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11131 sum += keys[b1[r][f]] - keys[b2[r][f]];
11138 GameInfo dummyInfo;
11140 int GameContainsPosition(FILE *f, ListGame *lg)
11142 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11143 int fromX, fromY, toX, toY;
11145 static int initDone=FALSE;
11148 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11151 dummyInfo.variant = VariantNormal;
11152 FREE(dummyInfo.fen); dummyInfo.fen = NULL;
11153 dummyInfo.whiteRating = 0;
11154 dummyInfo.blackRating = 0;
11155 FREE(dummyInfo.date); dummyInfo.date = NULL;
11156 fseek(f, lg->offset, 0);
11158 CopyBoard(boards[scratch], initialPosition); // default start position
11160 yyboardindex = scratch + (plyNr&1);
11166 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11168 ParsePGNTag(yy_text, &dummyInfo); // this has a bad memory leak...
11169 if(dummyInfo.fen) ParseFEN(boards[scratch], &btm, dummyInfo.fen), free(dummyInfo.fen), dummyInfo.fen = NULL;
11171 // do it ourselves avoiding malloc
11172 { char *p = yy_text+1, *q;
11173 while(!isdigit(*p) && !isalpha(*p)) p++;
11174 q = p; while(*p != ' ' && *p != '\t' && *p != '\n') p++;
11176 if(!StrCaseCmp(q, "Date") && (p = strchr(p+1, '"'))) { if(atoi(p+1) < appData.dateThreshold) return -1; } else
11177 if(!StrCaseCmp(q, "Variant") && (p = strchr(p+1, '"'))) dummyInfo.variant = StringToVariant(p+1); else
11178 if(!StrCaseCmp(q, "WhiteElo") && (p = strchr(p+1, '"'))) dummyInfo.whiteRating = atoi(p+1); else
11179 if(!StrCaseCmp(q, "BlackElo") && (p = strchr(p+1, '"'))) dummyInfo.blackRating = atoi(p+1); else
11180 if(!StrCaseCmp(q, "WhiteUSCF") && (p = strchr(p+1, '"'))) dummyInfo.whiteRating = atoi(p+1); else
11181 if(!StrCaseCmp(q, "BlackUSCF") && (p = strchr(p+1, '"'))) dummyInfo.blackRating = atoi(p+1); else
11182 if(!StrCaseCmp(q, "FEN") && (p = strchr(p+1, '"'))) ParseFEN(boards[scratch], &btm, p+1);
11190 if(plyNr) return -1; // after we have seen moves, this is for new game
11193 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11194 case ImpossibleMove:
11195 case WhiteWins: // game ends here with these four
11198 case GameUnfinished:
11202 if(appData.testLegality) return -1;
11203 case WhiteCapturesEnPassant:
11204 case BlackCapturesEnPassant:
11205 case WhitePromotion:
11206 case BlackPromotion:
11207 case WhiteNonPromotion:
11208 case BlackNonPromotion:
11210 case WhiteKingSideCastle:
11211 case WhiteQueenSideCastle:
11212 case BlackKingSideCastle:
11213 case BlackQueenSideCastle:
11214 case WhiteKingSideCastleWild:
11215 case WhiteQueenSideCastleWild:
11216 case BlackKingSideCastleWild:
11217 case BlackQueenSideCastleWild:
11218 case WhiteHSideCastleFR:
11219 case WhiteASideCastleFR:
11220 case BlackHSideCastleFR:
11221 case BlackASideCastleFR:
11222 fromX = currentMoveString[0] - AAA;
11223 fromY = currentMoveString[1] - ONE;
11224 toX = currentMoveString[2] - AAA;
11225 toY = currentMoveString[3] - ONE;
11226 promoChar = currentMoveString[4];
11230 fromX = next == WhiteDrop ?
11231 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11232 (int) CharToPiece(ToLower(currentMoveString[0]));
11234 toX = currentMoveString[2] - AAA;
11235 toY = currentMoveString[3] - ONE;
11238 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11239 if(plyNr == 0) { // but first figure out variant and initial position
11240 if(dummyInfo.variant != gameInfo.variant) return -1; // wrong variant
11241 if(appData.eloThreshold1 && (dummyInfo.whiteRating < appData.eloThreshold1 && dummyInfo.blackRating < appData.eloThreshold1)) return -1;
11242 if(appData.eloThreshold2 && (dummyInfo.whiteRating < appData.eloThreshold2 || dummyInfo.blackRating < appData.eloThreshold2)) return -1;
11243 if(appData.dateThreshold && (!dummyInfo.date || atoi(dummyInfo.date) < appData.dateThreshold)) return -1;
11244 if(btm) CopyBoard(boards[scratch+1], boards[scratch]), plyNr++;
11245 if(PositionMatches(boards[scratch + plyNr], boards[currentMove])) return plyNr;
11247 CopyBoard(boards[scratch + (plyNr+1&1)], boards[scratch + (plyNr&1)]);
11249 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch + (plyNr&1)]);
11250 if(PositionMatches(boards[scratch + (plyNr&1)], boards[currentMove])) return plyNr;
11254 /* Load the nth game from open file f */
11256 LoadGame(f, gameNumber, title, useList)
11264 int gn = gameNumber;
11265 ListGame *lg = NULL;
11266 int numPGNTags = 0;
11268 GameMode oldGameMode;
11269 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11271 if (appData.debugMode)
11272 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11274 if (gameMode == Training )
11275 SetTrainingModeOff();
11277 oldGameMode = gameMode;
11278 if (gameMode != BeginningOfGame) {
11279 Reset(FALSE, TRUE);
11283 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11284 fclose(lastLoadGameFP);
11288 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11291 fseek(f, lg->offset, 0);
11292 GameListHighlight(gameNumber);
11293 pos = lg->position;
11297 DisplayError(_("Game number out of range"), 0);
11302 if (fseek(f, 0, 0) == -1) {
11303 if (f == lastLoadGameFP ?
11304 gameNumber == lastLoadGameNumber + 1 :
11308 DisplayError(_("Can't seek on game file"), 0);
11313 lastLoadGameFP = f;
11314 lastLoadGameNumber = gameNumber;
11315 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11316 lastLoadGameUseList = useList;
11320 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11321 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11322 lg->gameInfo.black);
11324 } else if (*title != NULLCHAR) {
11325 if (gameNumber > 1) {
11326 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11329 DisplayTitle(title);
11333 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11334 gameMode = PlayFromGameFile;
11338 currentMove = forwardMostMove = backwardMostMove = 0;
11339 CopyBoard(boards[0], initialPosition);
11343 * Skip the first gn-1 games in the file.
11344 * Also skip over anything that precedes an identifiable
11345 * start of game marker, to avoid being confused by
11346 * garbage at the start of the file. Currently
11347 * recognized start of game markers are the move number "1",
11348 * the pattern "gnuchess .* game", the pattern
11349 * "^[#;%] [^ ]* game file", and a PGN tag block.
11350 * A game that starts with one of the latter two patterns
11351 * will also have a move number 1, possibly
11352 * following a position diagram.
11353 * 5-4-02: Let's try being more lenient and allowing a game to
11354 * start with an unnumbered move. Does that break anything?
11356 cm = lastLoadGameStart = EndOfFile;
11358 yyboardindex = forwardMostMove;
11359 cm = (ChessMove) Myylex();
11362 if (cmailMsgLoaded) {
11363 nCmailGames = CMAIL_MAX_GAMES - gn;
11366 DisplayError(_("Game not found in file"), 0);
11373 lastLoadGameStart = cm;
11376 case MoveNumberOne:
11377 switch (lastLoadGameStart) {
11382 case MoveNumberOne:
11384 gn--; /* count this game */
11385 lastLoadGameStart = cm;
11394 switch (lastLoadGameStart) {
11397 case MoveNumberOne:
11399 gn--; /* count this game */
11400 lastLoadGameStart = cm;
11403 lastLoadGameStart = cm; /* game counted already */
11411 yyboardindex = forwardMostMove;
11412 cm = (ChessMove) Myylex();
11413 } while (cm == PGNTag || cm == Comment);
11420 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11421 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11422 != CMAIL_OLD_RESULT) {
11424 cmailResult[ CMAIL_MAX_GAMES
11425 - gn - 1] = CMAIL_OLD_RESULT;
11431 /* Only a NormalMove can be at the start of a game
11432 * without a position diagram. */
11433 if (lastLoadGameStart == EndOfFile ) {
11435 lastLoadGameStart = MoveNumberOne;
11444 if (appData.debugMode)
11445 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11447 if (cm == XBoardGame) {
11448 /* Skip any header junk before position diagram and/or move 1 */
11450 yyboardindex = forwardMostMove;
11451 cm = (ChessMove) Myylex();
11453 if (cm == EndOfFile ||
11454 cm == GNUChessGame || cm == XBoardGame) {
11455 /* Empty game; pretend end-of-file and handle later */
11460 if (cm == MoveNumberOne || cm == PositionDiagram ||
11461 cm == PGNTag || cm == Comment)
11464 } else if (cm == GNUChessGame) {
11465 if (gameInfo.event != NULL) {
11466 free(gameInfo.event);
11468 gameInfo.event = StrSave(yy_text);
11471 startedFromSetupPosition = FALSE;
11472 while (cm == PGNTag) {
11473 if (appData.debugMode)
11474 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11475 err = ParsePGNTag(yy_text, &gameInfo);
11476 if (!err) numPGNTags++;
11478 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11479 if(gameInfo.variant != oldVariant) {
11480 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11481 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11482 InitPosition(TRUE);
11483 oldVariant = gameInfo.variant;
11484 if (appData.debugMode)
11485 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11489 if (gameInfo.fen != NULL) {
11490 Board initial_position;
11491 startedFromSetupPosition = TRUE;
11492 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11494 DisplayError(_("Bad FEN position in file"), 0);
11497 CopyBoard(boards[0], initial_position);
11498 if (blackPlaysFirst) {
11499 currentMove = forwardMostMove = backwardMostMove = 1;
11500 CopyBoard(boards[1], initial_position);
11501 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11502 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11503 timeRemaining[0][1] = whiteTimeRemaining;
11504 timeRemaining[1][1] = blackTimeRemaining;
11505 if (commentList[0] != NULL) {
11506 commentList[1] = commentList[0];
11507 commentList[0] = NULL;
11510 currentMove = forwardMostMove = backwardMostMove = 0;
11512 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11514 initialRulePlies = FENrulePlies;
11515 for( i=0; i< nrCastlingRights; i++ )
11516 initialRights[i] = initial_position[CASTLING][i];
11518 yyboardindex = forwardMostMove;
11519 free(gameInfo.fen);
11520 gameInfo.fen = NULL;
11523 yyboardindex = forwardMostMove;
11524 cm = (ChessMove) Myylex();
11526 /* Handle comments interspersed among the tags */
11527 while (cm == Comment) {
11529 if (appData.debugMode)
11530 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11532 AppendComment(currentMove, p, FALSE);
11533 yyboardindex = forwardMostMove;
11534 cm = (ChessMove) Myylex();
11538 /* don't rely on existence of Event tag since if game was
11539 * pasted from clipboard the Event tag may not exist
11541 if (numPGNTags > 0){
11543 if (gameInfo.variant == VariantNormal) {
11544 VariantClass v = StringToVariant(gameInfo.event);
11545 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11546 if(v < VariantShogi) gameInfo.variant = v;
11549 if( appData.autoDisplayTags ) {
11550 tags = PGNTags(&gameInfo);
11551 TagsPopUp(tags, CmailMsg());
11556 /* Make something up, but don't display it now */
11561 if (cm == PositionDiagram) {
11564 Board initial_position;
11566 if (appData.debugMode)
11567 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11569 if (!startedFromSetupPosition) {
11571 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11572 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11583 initial_position[i][j++] = CharToPiece(*p);
11586 while (*p == ' ' || *p == '\t' ||
11587 *p == '\n' || *p == '\r') p++;
11589 if (strncmp(p, "black", strlen("black"))==0)
11590 blackPlaysFirst = TRUE;
11592 blackPlaysFirst = FALSE;
11593 startedFromSetupPosition = TRUE;
11595 CopyBoard(boards[0], initial_position);
11596 if (blackPlaysFirst) {
11597 currentMove = forwardMostMove = backwardMostMove = 1;
11598 CopyBoard(boards[1], initial_position);
11599 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11600 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11601 timeRemaining[0][1] = whiteTimeRemaining;
11602 timeRemaining[1][1] = blackTimeRemaining;
11603 if (commentList[0] != NULL) {
11604 commentList[1] = commentList[0];
11605 commentList[0] = NULL;
11608 currentMove = forwardMostMove = backwardMostMove = 0;
11611 yyboardindex = forwardMostMove;
11612 cm = (ChessMove) Myylex();
11615 if (first.pr == NoProc) {
11616 StartChessProgram(&first);
11618 InitChessProgram(&first, FALSE);
11619 SendToProgram("force\n", &first);
11620 if (startedFromSetupPosition) {
11621 SendBoard(&first, forwardMostMove);
11622 if (appData.debugMode) {
11623 fprintf(debugFP, "Load Game\n");
11625 DisplayBothClocks();
11628 /* [HGM] server: flag to write setup moves in broadcast file as one */
11629 loadFlag = appData.suppressLoadMoves;
11631 while (cm == Comment) {
11633 if (appData.debugMode)
11634 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11636 AppendComment(currentMove, p, FALSE);
11637 yyboardindex = forwardMostMove;
11638 cm = (ChessMove) Myylex();
11641 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11642 cm == WhiteWins || cm == BlackWins ||
11643 cm == GameIsDrawn || cm == GameUnfinished) {
11644 DisplayMessage("", _("No moves in game"));
11645 if (cmailMsgLoaded) {
11646 if (appData.debugMode)
11647 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11651 DrawPosition(FALSE, boards[currentMove]);
11652 DisplayBothClocks();
11653 gameMode = EditGame;
11660 // [HGM] PV info: routine tests if comment empty
11661 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11662 DisplayComment(currentMove - 1, commentList[currentMove]);
11664 if (!matchMode && appData.timeDelay != 0)
11665 DrawPosition(FALSE, boards[currentMove]);
11667 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11668 programStats.ok_to_send = 1;
11671 /* if the first token after the PGN tags is a move
11672 * and not move number 1, retrieve it from the parser
11674 if (cm != MoveNumberOne)
11675 LoadGameOneMove(cm);
11677 /* load the remaining moves from the file */
11678 while (LoadGameOneMove(EndOfFile)) {
11679 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11680 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11683 /* rewind to the start of the game */
11684 currentMove = backwardMostMove;
11686 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11688 if (oldGameMode == AnalyzeFile ||
11689 oldGameMode == AnalyzeMode) {
11690 AnalyzeFileEvent();
11693 if (!matchMode && pos >= 0) {
11694 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11696 if (matchMode || appData.timeDelay == 0) {
11698 } else if (appData.timeDelay > 0) {
11699 AutoPlayGameLoop();
11702 if (appData.debugMode)
11703 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11705 loadFlag = 0; /* [HGM] true game starts */
11709 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11711 ReloadPosition(offset)
11714 int positionNumber = lastLoadPositionNumber + offset;
11715 if (lastLoadPositionFP == NULL) {
11716 DisplayError(_("No position has been loaded yet"), 0);
11719 if (positionNumber <= 0) {
11720 DisplayError(_("Can't back up any further"), 0);
11723 return LoadPosition(lastLoadPositionFP, positionNumber,
11724 lastLoadPositionTitle);
11727 /* Load the nth position from the given file */
11729 LoadPositionFromFile(filename, n, title)
11737 if (strcmp(filename, "-") == 0) {
11738 return LoadPosition(stdin, n, "stdin");
11740 f = fopen(filename, "rb");
11742 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11743 DisplayError(buf, errno);
11746 return LoadPosition(f, n, title);
11751 /* Load the nth position from the given open file, and close it */
11753 LoadPosition(f, positionNumber, title)
11755 int positionNumber;
11758 char *p, line[MSG_SIZ];
11759 Board initial_position;
11760 int i, j, fenMode, pn;
11762 if (gameMode == Training )
11763 SetTrainingModeOff();
11765 if (gameMode != BeginningOfGame) {
11766 Reset(FALSE, TRUE);
11768 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11769 fclose(lastLoadPositionFP);
11771 if (positionNumber == 0) positionNumber = 1;
11772 lastLoadPositionFP = f;
11773 lastLoadPositionNumber = positionNumber;
11774 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11775 if (first.pr == NoProc) {
11776 StartChessProgram(&first);
11777 InitChessProgram(&first, FALSE);
11779 pn = positionNumber;
11780 if (positionNumber < 0) {
11781 /* Negative position number means to seek to that byte offset */
11782 if (fseek(f, -positionNumber, 0) == -1) {
11783 DisplayError(_("Can't seek on position file"), 0);
11788 if (fseek(f, 0, 0) == -1) {
11789 if (f == lastLoadPositionFP ?
11790 positionNumber == lastLoadPositionNumber + 1 :
11791 positionNumber == 1) {
11794 DisplayError(_("Can't seek on position file"), 0);
11799 /* See if this file is FEN or old-style xboard */
11800 if (fgets(line, MSG_SIZ, f) == NULL) {
11801 DisplayError(_("Position not found in file"), 0);
11804 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11805 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11808 if (fenMode || line[0] == '#') pn--;
11810 /* skip positions before number pn */
11811 if (fgets(line, MSG_SIZ, f) == NULL) {
11813 DisplayError(_("Position not found in file"), 0);
11816 if (fenMode || line[0] == '#') pn--;
11821 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11822 DisplayError(_("Bad FEN position in file"), 0);
11826 (void) fgets(line, MSG_SIZ, f);
11827 (void) fgets(line, MSG_SIZ, f);
11829 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11830 (void) fgets(line, MSG_SIZ, f);
11831 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11834 initial_position[i][j++] = CharToPiece(*p);
11838 blackPlaysFirst = FALSE;
11840 (void) fgets(line, MSG_SIZ, f);
11841 if (strncmp(line, "black", strlen("black"))==0)
11842 blackPlaysFirst = TRUE;
11845 startedFromSetupPosition = TRUE;
11847 SendToProgram("force\n", &first);
11848 CopyBoard(boards[0], initial_position);
11849 if (blackPlaysFirst) {
11850 currentMove = forwardMostMove = backwardMostMove = 1;
11851 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11852 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11853 CopyBoard(boards[1], initial_position);
11854 DisplayMessage("", _("Black to play"));
11856 currentMove = forwardMostMove = backwardMostMove = 0;
11857 DisplayMessage("", _("White to play"));
11859 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11860 SendBoard(&first, forwardMostMove);
11861 if (appData.debugMode) {
11863 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11864 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11865 fprintf(debugFP, "Load Position\n");
11868 if (positionNumber > 1) {
11869 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11870 DisplayTitle(line);
11872 DisplayTitle(title);
11874 gameMode = EditGame;
11877 timeRemaining[0][1] = whiteTimeRemaining;
11878 timeRemaining[1][1] = blackTimeRemaining;
11879 DrawPosition(FALSE, boards[currentMove]);
11886 CopyPlayerNameIntoFileName(dest, src)
11889 while (*src != NULLCHAR && *src != ',') {
11894 *(*dest)++ = *src++;
11899 char *DefaultFileName(ext)
11902 static char def[MSG_SIZ];
11905 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11907 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11909 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11911 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11918 /* Save the current game to the given file */
11920 SaveGameToFile(filename, append)
11928 if (strcmp(filename, "-") == 0) {
11929 return SaveGame(stdout, 0, NULL);
11931 f = fopen(filename, append ? "a" : "w");
11933 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11934 DisplayError(buf, errno);
11937 safeStrCpy(buf, lastMsg, MSG_SIZ);
11938 DisplayMessage(_("Waiting for access to save file"), "");
11939 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11940 DisplayMessage(_("Saving game"), "");
11941 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11942 result = SaveGame(f, 0, NULL);
11943 DisplayMessage(buf, "");
11953 static char buf[MSG_SIZ];
11956 p = strchr(str, ' ');
11957 if (p == NULL) return str;
11958 strncpy(buf, str, p - str);
11959 buf[p - str] = NULLCHAR;
11963 #define PGN_MAX_LINE 75
11965 #define PGN_SIDE_WHITE 0
11966 #define PGN_SIDE_BLACK 1
11969 static int FindFirstMoveOutOfBook( int side )
11973 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11974 int index = backwardMostMove;
11975 int has_book_hit = 0;
11977 if( (index % 2) != side ) {
11981 while( index < forwardMostMove ) {
11982 /* Check to see if engine is in book */
11983 int depth = pvInfoList[index].depth;
11984 int score = pvInfoList[index].score;
11990 else if( score == 0 && depth == 63 ) {
11991 in_book = 1; /* Zappa */
11993 else if( score == 2 && depth == 99 ) {
11994 in_book = 1; /* Abrok */
11997 has_book_hit += in_book;
12013 void GetOutOfBookInfo( char * buf )
12017 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12019 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12020 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12024 if( oob[0] >= 0 || oob[1] >= 0 ) {
12025 for( i=0; i<2; i++ ) {
12029 if( i > 0 && oob[0] >= 0 ) {
12030 strcat( buf, " " );
12033 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12034 sprintf( buf+strlen(buf), "%s%.2f",
12035 pvInfoList[idx].score >= 0 ? "+" : "",
12036 pvInfoList[idx].score / 100.0 );
12042 /* Save game in PGN style and close the file */
12047 int i, offset, linelen, newblock;
12051 int movelen, numlen, blank;
12052 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12054 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12056 tm = time((time_t *) NULL);
12058 PrintPGNTags(f, &gameInfo);
12060 if (backwardMostMove > 0 || startedFromSetupPosition) {
12061 char *fen = PositionToFEN(backwardMostMove, NULL);
12062 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12063 fprintf(f, "\n{--------------\n");
12064 PrintPosition(f, backwardMostMove);
12065 fprintf(f, "--------------}\n");
12069 /* [AS] Out of book annotation */
12070 if( appData.saveOutOfBookInfo ) {
12073 GetOutOfBookInfo( buf );
12075 if( buf[0] != '\0' ) {
12076 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12083 i = backwardMostMove;
12087 while (i < forwardMostMove) {
12088 /* Print comments preceding this move */
12089 if (commentList[i] != NULL) {
12090 if (linelen > 0) fprintf(f, "\n");
12091 fprintf(f, "%s", commentList[i]);
12096 /* Format move number */
12098 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12101 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12103 numtext[0] = NULLCHAR;
12105 numlen = strlen(numtext);
12108 /* Print move number */
12109 blank = linelen > 0 && numlen > 0;
12110 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12119 fprintf(f, "%s", numtext);
12123 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12124 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12127 blank = linelen > 0 && movelen > 0;
12128 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12137 fprintf(f, "%s", move_buffer);
12138 linelen += movelen;
12140 /* [AS] Add PV info if present */
12141 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12142 /* [HGM] add time */
12143 char buf[MSG_SIZ]; int seconds;
12145 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12151 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12154 seconds = (seconds + 4)/10; // round to full seconds
12156 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12158 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12161 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12162 pvInfoList[i].score >= 0 ? "+" : "",
12163 pvInfoList[i].score / 100.0,
12164 pvInfoList[i].depth,
12167 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12169 /* Print score/depth */
12170 blank = linelen > 0 && movelen > 0;
12171 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12180 fprintf(f, "%s", move_buffer);
12181 linelen += movelen;
12187 /* Start a new line */
12188 if (linelen > 0) fprintf(f, "\n");
12190 /* Print comments after last move */
12191 if (commentList[i] != NULL) {
12192 fprintf(f, "%s\n", commentList[i]);
12196 if (gameInfo.resultDetails != NULL &&
12197 gameInfo.resultDetails[0] != NULLCHAR) {
12198 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12199 PGNResult(gameInfo.result));
12201 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12205 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12209 /* Save game in old style and close the file */
12211 SaveGameOldStyle(f)
12217 tm = time((time_t *) NULL);
12219 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12222 if (backwardMostMove > 0 || startedFromSetupPosition) {
12223 fprintf(f, "\n[--------------\n");
12224 PrintPosition(f, backwardMostMove);
12225 fprintf(f, "--------------]\n");
12230 i = backwardMostMove;
12231 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12233 while (i < forwardMostMove) {
12234 if (commentList[i] != NULL) {
12235 fprintf(f, "[%s]\n", commentList[i]);
12238 if ((i % 2) == 1) {
12239 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12242 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12244 if (commentList[i] != NULL) {
12248 if (i >= forwardMostMove) {
12252 fprintf(f, "%s\n", parseList[i]);
12257 if (commentList[i] != NULL) {
12258 fprintf(f, "[%s]\n", commentList[i]);
12261 /* This isn't really the old style, but it's close enough */
12262 if (gameInfo.resultDetails != NULL &&
12263 gameInfo.resultDetails[0] != NULLCHAR) {
12264 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12265 gameInfo.resultDetails);
12267 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12274 /* Save the current game to open file f and close the file */
12276 SaveGame(f, dummy, dummy2)
12281 if (gameMode == EditPosition) EditPositionDone(TRUE);
12282 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12283 if (appData.oldSaveStyle)
12284 return SaveGameOldStyle(f);
12286 return SaveGamePGN(f);
12289 /* Save the current position to the given file */
12291 SavePositionToFile(filename)
12297 if (strcmp(filename, "-") == 0) {
12298 return SavePosition(stdout, 0, NULL);
12300 f = fopen(filename, "a");
12302 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12303 DisplayError(buf, errno);
12306 safeStrCpy(buf, lastMsg, MSG_SIZ);
12307 DisplayMessage(_("Waiting for access to save file"), "");
12308 flock(fileno(f), LOCK_EX); // [HGM] lock
12309 DisplayMessage(_("Saving position"), "");
12310 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12311 SavePosition(f, 0, NULL);
12312 DisplayMessage(buf, "");
12318 /* Save the current position to the given open file and close the file */
12320 SavePosition(f, dummy, dummy2)
12328 if (gameMode == EditPosition) EditPositionDone(TRUE);
12329 if (appData.oldSaveStyle) {
12330 tm = time((time_t *) NULL);
12332 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12334 fprintf(f, "[--------------\n");
12335 PrintPosition(f, currentMove);
12336 fprintf(f, "--------------]\n");
12338 fen = PositionToFEN(currentMove, NULL);
12339 fprintf(f, "%s\n", fen);
12347 ReloadCmailMsgEvent(unregister)
12351 static char *inFilename = NULL;
12352 static char *outFilename;
12354 struct stat inbuf, outbuf;
12357 /* Any registered moves are unregistered if unregister is set, */
12358 /* i.e. invoked by the signal handler */
12360 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12361 cmailMoveRegistered[i] = FALSE;
12362 if (cmailCommentList[i] != NULL) {
12363 free(cmailCommentList[i]);
12364 cmailCommentList[i] = NULL;
12367 nCmailMovesRegistered = 0;
12370 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12371 cmailResult[i] = CMAIL_NOT_RESULT;
12375 if (inFilename == NULL) {
12376 /* Because the filenames are static they only get malloced once */
12377 /* and they never get freed */
12378 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12379 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12381 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12382 sprintf(outFilename, "%s.out", appData.cmailGameName);
12385 status = stat(outFilename, &outbuf);
12387 cmailMailedMove = FALSE;
12389 status = stat(inFilename, &inbuf);
12390 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12393 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12394 counts the games, notes how each one terminated, etc.
12396 It would be nice to remove this kludge and instead gather all
12397 the information while building the game list. (And to keep it
12398 in the game list nodes instead of having a bunch of fixed-size
12399 parallel arrays.) Note this will require getting each game's
12400 termination from the PGN tags, as the game list builder does
12401 not process the game moves. --mann
12403 cmailMsgLoaded = TRUE;
12404 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12406 /* Load first game in the file or popup game menu */
12407 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12409 #endif /* !WIN32 */
12417 char string[MSG_SIZ];
12419 if ( cmailMailedMove
12420 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12421 return TRUE; /* Allow free viewing */
12424 /* Unregister move to ensure that we don't leave RegisterMove */
12425 /* with the move registered when the conditions for registering no */
12427 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12428 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12429 nCmailMovesRegistered --;
12431 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12433 free(cmailCommentList[lastLoadGameNumber - 1]);
12434 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12438 if (cmailOldMove == -1) {
12439 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12443 if (currentMove > cmailOldMove + 1) {
12444 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12448 if (currentMove < cmailOldMove) {
12449 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12453 if (forwardMostMove > currentMove) {
12454 /* Silently truncate extra moves */
12458 if ( (currentMove == cmailOldMove + 1)
12459 || ( (currentMove == cmailOldMove)
12460 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12461 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12462 if (gameInfo.result != GameUnfinished) {
12463 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12466 if (commentList[currentMove] != NULL) {
12467 cmailCommentList[lastLoadGameNumber - 1]
12468 = StrSave(commentList[currentMove]);
12470 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12472 if (appData.debugMode)
12473 fprintf(debugFP, "Saving %s for game %d\n",
12474 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12476 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12478 f = fopen(string, "w");
12479 if (appData.oldSaveStyle) {
12480 SaveGameOldStyle(f); /* also closes the file */
12482 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12483 f = fopen(string, "w");
12484 SavePosition(f, 0, NULL); /* also closes the file */
12486 fprintf(f, "{--------------\n");
12487 PrintPosition(f, currentMove);
12488 fprintf(f, "--------------}\n\n");
12490 SaveGame(f, 0, NULL); /* also closes the file*/
12493 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12494 nCmailMovesRegistered ++;
12495 } else if (nCmailGames == 1) {
12496 DisplayError(_("You have not made a move yet"), 0);
12507 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12508 FILE *commandOutput;
12509 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12510 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12516 if (! cmailMsgLoaded) {
12517 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12521 if (nCmailGames == nCmailResults) {
12522 DisplayError(_("No unfinished games"), 0);
12526 #if CMAIL_PROHIBIT_REMAIL
12527 if (cmailMailedMove) {
12528 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);
12529 DisplayError(msg, 0);
12534 if (! (cmailMailedMove || RegisterMove())) return;
12536 if ( cmailMailedMove
12537 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12538 snprintf(string, MSG_SIZ, partCommandString,
12539 appData.debugMode ? " -v" : "", appData.cmailGameName);
12540 commandOutput = popen(string, "r");
12542 if (commandOutput == NULL) {
12543 DisplayError(_("Failed to invoke cmail"), 0);
12545 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12546 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12548 if (nBuffers > 1) {
12549 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12550 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12551 nBytes = MSG_SIZ - 1;
12553 (void) memcpy(msg, buffer, nBytes);
12555 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12557 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12558 cmailMailedMove = TRUE; /* Prevent >1 moves */
12561 for (i = 0; i < nCmailGames; i ++) {
12562 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12567 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12569 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12571 appData.cmailGameName,
12573 LoadGameFromFile(buffer, 1, buffer, FALSE);
12574 cmailMsgLoaded = FALSE;
12578 DisplayInformation(msg);
12579 pclose(commandOutput);
12582 if ((*cmailMsg) != '\0') {
12583 DisplayInformation(cmailMsg);
12588 #endif /* !WIN32 */
12597 int prependComma = 0;
12599 char string[MSG_SIZ]; /* Space for game-list */
12602 if (!cmailMsgLoaded) return "";
12604 if (cmailMailedMove) {
12605 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12607 /* Create a list of games left */
12608 snprintf(string, MSG_SIZ, "[");
12609 for (i = 0; i < nCmailGames; i ++) {
12610 if (! ( cmailMoveRegistered[i]
12611 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12612 if (prependComma) {
12613 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12615 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12619 strcat(string, number);
12622 strcat(string, "]");
12624 if (nCmailMovesRegistered + nCmailResults == 0) {
12625 switch (nCmailGames) {
12627 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12631 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12635 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12640 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12642 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12647 if (nCmailResults == nCmailGames) {
12648 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12650 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12655 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12667 if (gameMode == Training)
12668 SetTrainingModeOff();
12671 cmailMsgLoaded = FALSE;
12672 if (appData.icsActive) {
12673 SendToICS(ics_prefix);
12674 SendToICS("refresh\n");
12684 /* Give up on clean exit */
12688 /* Keep trying for clean exit */
12692 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12694 if (telnetISR != NULL) {
12695 RemoveInputSource(telnetISR);
12697 if (icsPR != NoProc) {
12698 DestroyChildProcess(icsPR, TRUE);
12701 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12702 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12704 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12705 /* make sure this other one finishes before killing it! */
12706 if(endingGame) { int count = 0;
12707 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12708 while(endingGame && count++ < 10) DoSleep(1);
12709 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12712 /* Kill off chess programs */
12713 if (first.pr != NoProc) {
12716 DoSleep( appData.delayBeforeQuit );
12717 SendToProgram("quit\n", &first);
12718 DoSleep( appData.delayAfterQuit );
12719 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12721 if (second.pr != NoProc) {
12722 DoSleep( appData.delayBeforeQuit );
12723 SendToProgram("quit\n", &second);
12724 DoSleep( appData.delayAfterQuit );
12725 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12727 if (first.isr != NULL) {
12728 RemoveInputSource(first.isr);
12730 if (second.isr != NULL) {
12731 RemoveInputSource(second.isr);
12734 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12735 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12737 ShutDownFrontEnd();
12744 if (appData.debugMode)
12745 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12749 if (gameMode == MachinePlaysWhite ||
12750 gameMode == MachinePlaysBlack) {
12753 DisplayBothClocks();
12755 if (gameMode == PlayFromGameFile) {
12756 if (appData.timeDelay >= 0)
12757 AutoPlayGameLoop();
12758 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12759 Reset(FALSE, TRUE);
12760 SendToICS(ics_prefix);
12761 SendToICS("refresh\n");
12762 } else if (currentMove < forwardMostMove) {
12763 ForwardInner(forwardMostMove);
12765 pauseExamInvalid = FALSE;
12767 switch (gameMode) {
12771 pauseExamForwardMostMove = forwardMostMove;
12772 pauseExamInvalid = FALSE;
12775 case IcsPlayingWhite:
12776 case IcsPlayingBlack:
12780 case PlayFromGameFile:
12781 (void) StopLoadGameTimer();
12785 case BeginningOfGame:
12786 if (appData.icsActive) return;
12787 /* else fall through */
12788 case MachinePlaysWhite:
12789 case MachinePlaysBlack:
12790 case TwoMachinesPlay:
12791 if (forwardMostMove == 0)
12792 return; /* don't pause if no one has moved */
12793 if ((gameMode == MachinePlaysWhite &&
12794 !WhiteOnMove(forwardMostMove)) ||
12795 (gameMode == MachinePlaysBlack &&
12796 WhiteOnMove(forwardMostMove))) {
12809 char title[MSG_SIZ];
12811 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12812 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12814 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12815 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12816 parseList[currentMove - 1]);
12819 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12826 char *tags = PGNTags(&gameInfo);
12828 EditTagsPopUp(tags, NULL);
12835 if (appData.noChessProgram || gameMode == AnalyzeMode)
12838 if (gameMode != AnalyzeFile) {
12839 if (!appData.icsEngineAnalyze) {
12841 if (gameMode != EditGame) return;
12843 ResurrectChessProgram();
12844 SendToProgram("analyze\n", &first);
12845 first.analyzing = TRUE;
12846 /*first.maybeThinking = TRUE;*/
12847 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12848 EngineOutputPopUp();
12850 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12855 StartAnalysisClock();
12856 GetTimeMark(&lastNodeCountTime);
12863 if (appData.noChessProgram || gameMode == AnalyzeFile)
12866 if (gameMode != AnalyzeMode) {
12868 if (gameMode != EditGame) return;
12869 ResurrectChessProgram();
12870 SendToProgram("analyze\n", &first);
12871 first.analyzing = TRUE;
12872 /*first.maybeThinking = TRUE;*/
12873 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12874 EngineOutputPopUp();
12876 gameMode = AnalyzeFile;
12881 StartAnalysisClock();
12882 GetTimeMark(&lastNodeCountTime);
12887 MachineWhiteEvent()
12890 char *bookHit = NULL;
12892 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12896 if (gameMode == PlayFromGameFile ||
12897 gameMode == TwoMachinesPlay ||
12898 gameMode == Training ||
12899 gameMode == AnalyzeMode ||
12900 gameMode == EndOfGame)
12903 if (gameMode == EditPosition)
12904 EditPositionDone(TRUE);
12906 if (!WhiteOnMove(currentMove)) {
12907 DisplayError(_("It is not White's turn"), 0);
12911 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12914 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12915 gameMode == AnalyzeFile)
12918 ResurrectChessProgram(); /* in case it isn't running */
12919 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12920 gameMode = MachinePlaysWhite;
12923 gameMode = MachinePlaysWhite;
12927 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12929 if (first.sendName) {
12930 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12931 SendToProgram(buf, &first);
12933 if (first.sendTime) {
12934 if (first.useColors) {
12935 SendToProgram("black\n", &first); /*gnu kludge*/
12937 SendTimeRemaining(&first, TRUE);
12939 if (first.useColors) {
12940 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12942 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12943 SetMachineThinkingEnables();
12944 first.maybeThinking = TRUE;
12948 if (appData.autoFlipView && !flipView) {
12949 flipView = !flipView;
12950 DrawPosition(FALSE, NULL);
12951 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12954 if(bookHit) { // [HGM] book: simulate book reply
12955 static char bookMove[MSG_SIZ]; // a bit generous?
12957 programStats.nodes = programStats.depth = programStats.time =
12958 programStats.score = programStats.got_only_move = 0;
12959 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12961 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12962 strcat(bookMove, bookHit);
12963 HandleMachineMove(bookMove, &first);
12968 MachineBlackEvent()
12971 char *bookHit = NULL;
12973 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12977 if (gameMode == PlayFromGameFile ||
12978 gameMode == TwoMachinesPlay ||
12979 gameMode == Training ||
12980 gameMode == AnalyzeMode ||
12981 gameMode == EndOfGame)
12984 if (gameMode == EditPosition)
12985 EditPositionDone(TRUE);
12987 if (WhiteOnMove(currentMove)) {
12988 DisplayError(_("It is not Black's turn"), 0);
12992 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12995 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12996 gameMode == AnalyzeFile)
12999 ResurrectChessProgram(); /* in case it isn't running */
13000 gameMode = MachinePlaysBlack;
13004 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13006 if (first.sendName) {
13007 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13008 SendToProgram(buf, &first);
13010 if (first.sendTime) {
13011 if (first.useColors) {
13012 SendToProgram("white\n", &first); /*gnu kludge*/
13014 SendTimeRemaining(&first, FALSE);
13016 if (first.useColors) {
13017 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13019 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13020 SetMachineThinkingEnables();
13021 first.maybeThinking = TRUE;
13024 if (appData.autoFlipView && flipView) {
13025 flipView = !flipView;
13026 DrawPosition(FALSE, NULL);
13027 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13029 if(bookHit) { // [HGM] book: simulate book reply
13030 static char bookMove[MSG_SIZ]; // a bit generous?
13032 programStats.nodes = programStats.depth = programStats.time =
13033 programStats.score = programStats.got_only_move = 0;
13034 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13036 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13037 strcat(bookMove, bookHit);
13038 HandleMachineMove(bookMove, &first);
13044 DisplayTwoMachinesTitle()
13047 if (appData.matchGames > 0) {
13048 if(appData.tourneyFile[0]) {
13049 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
13050 gameInfo.white, gameInfo.black,
13051 nextGame+1, appData.matchGames+1,
13052 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13054 if (first.twoMachinesColor[0] == 'w') {
13055 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13056 gameInfo.white, gameInfo.black,
13057 first.matchWins, second.matchWins,
13058 matchGame - 1 - (first.matchWins + second.matchWins));
13060 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13061 gameInfo.white, gameInfo.black,
13062 second.matchWins, first.matchWins,
13063 matchGame - 1 - (first.matchWins + second.matchWins));
13066 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13072 SettingsMenuIfReady()
13074 if (second.lastPing != second.lastPong) {
13075 DisplayMessage("", _("Waiting for second chess program"));
13076 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13080 DisplayMessage("", "");
13081 SettingsPopUp(&second);
13085 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13088 if (cps->pr == NULL) {
13089 StartChessProgram(cps);
13090 if (cps->protocolVersion == 1) {
13093 /* kludge: allow timeout for initial "feature" command */
13095 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13096 DisplayMessage("", buf);
13097 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13105 TwoMachinesEvent P((void))
13109 ChessProgramState *onmove;
13110 char *bookHit = NULL;
13111 static int stalling = 0;
13115 if (appData.noChessProgram) return;
13117 switch (gameMode) {
13118 case TwoMachinesPlay:
13120 case MachinePlaysWhite:
13121 case MachinePlaysBlack:
13122 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13123 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13127 case BeginningOfGame:
13128 case PlayFromGameFile:
13131 if (gameMode != EditGame) return;
13134 EditPositionDone(TRUE);
13145 // forwardMostMove = currentMove;
13146 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13148 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13150 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13151 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13152 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13156 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13157 SendToProgram("force\n", &second);
13159 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13162 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13163 if(appData.matchPause>10000 || appData.matchPause<10)
13164 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13165 wait = SubtractTimeMarks(&now, &pauseStart);
13166 if(wait < appData.matchPause) {
13167 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13171 DisplayMessage("", "");
13172 if (startedFromSetupPosition) {
13173 SendBoard(&second, backwardMostMove);
13174 if (appData.debugMode) {
13175 fprintf(debugFP, "Two Machines\n");
13178 for (i = backwardMostMove; i < forwardMostMove; i++) {
13179 SendMoveToProgram(i, &second);
13182 gameMode = TwoMachinesPlay;
13184 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13186 DisplayTwoMachinesTitle();
13188 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13193 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13194 SendToProgram(first.computerString, &first);
13195 if (first.sendName) {
13196 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13197 SendToProgram(buf, &first);
13199 SendToProgram(second.computerString, &second);
13200 if (second.sendName) {
13201 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13202 SendToProgram(buf, &second);
13206 if (!first.sendTime || !second.sendTime) {
13207 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13208 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13210 if (onmove->sendTime) {
13211 if (onmove->useColors) {
13212 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13214 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13216 if (onmove->useColors) {
13217 SendToProgram(onmove->twoMachinesColor, onmove);
13219 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13220 // SendToProgram("go\n", onmove);
13221 onmove->maybeThinking = TRUE;
13222 SetMachineThinkingEnables();
13226 if(bookHit) { // [HGM] book: simulate book reply
13227 static char bookMove[MSG_SIZ]; // a bit generous?
13229 programStats.nodes = programStats.depth = programStats.time =
13230 programStats.score = programStats.got_only_move = 0;
13231 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13233 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13234 strcat(bookMove, bookHit);
13235 savedMessage = bookMove; // args for deferred call
13236 savedState = onmove;
13237 ScheduleDelayedEvent(DeferredBookMove, 1);
13244 if (gameMode == Training) {
13245 SetTrainingModeOff();
13246 gameMode = PlayFromGameFile;
13247 DisplayMessage("", _("Training mode off"));
13249 gameMode = Training;
13250 animateTraining = appData.animate;
13252 /* make sure we are not already at the end of the game */
13253 if (currentMove < forwardMostMove) {
13254 SetTrainingModeOn();
13255 DisplayMessage("", _("Training mode on"));
13257 gameMode = PlayFromGameFile;
13258 DisplayError(_("Already at end of game"), 0);
13267 if (!appData.icsActive) return;
13268 switch (gameMode) {
13269 case IcsPlayingWhite:
13270 case IcsPlayingBlack:
13273 case BeginningOfGame:
13281 EditPositionDone(TRUE);
13294 gameMode = IcsIdle;
13305 switch (gameMode) {
13307 SetTrainingModeOff();
13309 case MachinePlaysWhite:
13310 case MachinePlaysBlack:
13311 case BeginningOfGame:
13312 SendToProgram("force\n", &first);
13313 SetUserThinkingEnables();
13315 case PlayFromGameFile:
13316 (void) StopLoadGameTimer();
13317 if (gameFileFP != NULL) {
13322 EditPositionDone(TRUE);
13327 SendToProgram("force\n", &first);
13329 case TwoMachinesPlay:
13330 GameEnds(EndOfFile, NULL, GE_PLAYER);
13331 ResurrectChessProgram();
13332 SetUserThinkingEnables();
13335 ResurrectChessProgram();
13337 case IcsPlayingBlack:
13338 case IcsPlayingWhite:
13339 DisplayError(_("Warning: You are still playing a game"), 0);
13342 DisplayError(_("Warning: You are still observing a game"), 0);
13345 DisplayError(_("Warning: You are still examining a game"), 0);
13356 first.offeredDraw = second.offeredDraw = 0;
13358 if (gameMode == PlayFromGameFile) {
13359 whiteTimeRemaining = timeRemaining[0][currentMove];
13360 blackTimeRemaining = timeRemaining[1][currentMove];
13364 if (gameMode == MachinePlaysWhite ||
13365 gameMode == MachinePlaysBlack ||
13366 gameMode == TwoMachinesPlay ||
13367 gameMode == EndOfGame) {
13368 i = forwardMostMove;
13369 while (i > currentMove) {
13370 SendToProgram("undo\n", &first);
13373 whiteTimeRemaining = timeRemaining[0][currentMove];
13374 blackTimeRemaining = timeRemaining[1][currentMove];
13375 DisplayBothClocks();
13376 if (whiteFlag || blackFlag) {
13377 whiteFlag = blackFlag = 0;
13382 gameMode = EditGame;
13389 EditPositionEvent()
13391 if (gameMode == EditPosition) {
13397 if (gameMode != EditGame) return;
13399 gameMode = EditPosition;
13402 if (currentMove > 0)
13403 CopyBoard(boards[0], boards[currentMove]);
13405 blackPlaysFirst = !WhiteOnMove(currentMove);
13407 currentMove = forwardMostMove = backwardMostMove = 0;
13408 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13415 /* [DM] icsEngineAnalyze - possible call from other functions */
13416 if (appData.icsEngineAnalyze) {
13417 appData.icsEngineAnalyze = FALSE;
13419 DisplayMessage("",_("Close ICS engine analyze..."));
13421 if (first.analysisSupport && first.analyzing) {
13422 SendToProgram("exit\n", &first);
13423 first.analyzing = FALSE;
13425 thinkOutput[0] = NULLCHAR;
13429 EditPositionDone(Boolean fakeRights)
13431 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13433 startedFromSetupPosition = TRUE;
13434 InitChessProgram(&first, FALSE);
13435 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13436 boards[0][EP_STATUS] = EP_NONE;
13437 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13438 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13439 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13440 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13441 } else boards[0][CASTLING][2] = NoRights;
13442 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13443 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13444 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13445 } else boards[0][CASTLING][5] = NoRights;
13447 SendToProgram("force\n", &first);
13448 if (blackPlaysFirst) {
13449 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13450 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13451 currentMove = forwardMostMove = backwardMostMove = 1;
13452 CopyBoard(boards[1], boards[0]);
13454 currentMove = forwardMostMove = backwardMostMove = 0;
13456 SendBoard(&first, forwardMostMove);
13457 if (appData.debugMode) {
13458 fprintf(debugFP, "EditPosDone\n");
13461 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13462 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13463 gameMode = EditGame;
13465 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13466 ClearHighlights(); /* [AS] */
13469 /* Pause for `ms' milliseconds */
13470 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13480 } while (SubtractTimeMarks(&m2, &m1) < ms);
13483 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13485 SendMultiLineToICS(buf)
13488 char temp[MSG_SIZ+1], *p;
13495 strncpy(temp, buf, len);
13500 if (*p == '\n' || *p == '\r')
13505 strcat(temp, "\n");
13507 SendToPlayer(temp, strlen(temp));
13511 SetWhiteToPlayEvent()
13513 if (gameMode == EditPosition) {
13514 blackPlaysFirst = FALSE;
13515 DisplayBothClocks(); /* works because currentMove is 0 */
13516 } else if (gameMode == IcsExamining) {
13517 SendToICS(ics_prefix);
13518 SendToICS("tomove white\n");
13523 SetBlackToPlayEvent()
13525 if (gameMode == EditPosition) {
13526 blackPlaysFirst = TRUE;
13527 currentMove = 1; /* kludge */
13528 DisplayBothClocks();
13530 } else if (gameMode == IcsExamining) {
13531 SendToICS(ics_prefix);
13532 SendToICS("tomove black\n");
13537 EditPositionMenuEvent(selection, x, y)
13538 ChessSquare selection;
13542 ChessSquare piece = boards[0][y][x];
13544 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13546 switch (selection) {
13548 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13549 SendToICS(ics_prefix);
13550 SendToICS("bsetup clear\n");
13551 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13552 SendToICS(ics_prefix);
13553 SendToICS("clearboard\n");
13555 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13556 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13557 for (y = 0; y < BOARD_HEIGHT; y++) {
13558 if (gameMode == IcsExamining) {
13559 if (boards[currentMove][y][x] != EmptySquare) {
13560 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13565 boards[0][y][x] = p;
13570 if (gameMode == EditPosition) {
13571 DrawPosition(FALSE, boards[0]);
13576 SetWhiteToPlayEvent();
13580 SetBlackToPlayEvent();
13584 if (gameMode == IcsExamining) {
13585 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13586 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13589 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13590 if(x == BOARD_LEFT-2) {
13591 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13592 boards[0][y][1] = 0;
13594 if(x == BOARD_RGHT+1) {
13595 if(y >= gameInfo.holdingsSize) break;
13596 boards[0][y][BOARD_WIDTH-2] = 0;
13599 boards[0][y][x] = EmptySquare;
13600 DrawPosition(FALSE, boards[0]);
13605 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13606 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13607 selection = (ChessSquare) (PROMOTED piece);
13608 } else if(piece == EmptySquare) selection = WhiteSilver;
13609 else selection = (ChessSquare)((int)piece - 1);
13613 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13614 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13615 selection = (ChessSquare) (DEMOTED piece);
13616 } else if(piece == EmptySquare) selection = BlackSilver;
13617 else selection = (ChessSquare)((int)piece + 1);
13622 if(gameInfo.variant == VariantShatranj ||
13623 gameInfo.variant == VariantXiangqi ||
13624 gameInfo.variant == VariantCourier ||
13625 gameInfo.variant == VariantMakruk )
13626 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13631 if(gameInfo.variant == VariantXiangqi)
13632 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13633 if(gameInfo.variant == VariantKnightmate)
13634 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13637 if (gameMode == IcsExamining) {
13638 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13639 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13640 PieceToChar(selection), AAA + x, ONE + y);
13643 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13645 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13646 n = PieceToNumber(selection - BlackPawn);
13647 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13648 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13649 boards[0][BOARD_HEIGHT-1-n][1]++;
13651 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13652 n = PieceToNumber(selection);
13653 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13654 boards[0][n][BOARD_WIDTH-1] = selection;
13655 boards[0][n][BOARD_WIDTH-2]++;
13658 boards[0][y][x] = selection;
13659 DrawPosition(TRUE, boards[0]);
13667 DropMenuEvent(selection, x, y)
13668 ChessSquare selection;
13671 ChessMove moveType;
13673 switch (gameMode) {
13674 case IcsPlayingWhite:
13675 case MachinePlaysBlack:
13676 if (!WhiteOnMove(currentMove)) {
13677 DisplayMoveError(_("It is Black's turn"));
13680 moveType = WhiteDrop;
13682 case IcsPlayingBlack:
13683 case MachinePlaysWhite:
13684 if (WhiteOnMove(currentMove)) {
13685 DisplayMoveError(_("It is White's turn"));
13688 moveType = BlackDrop;
13691 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13697 if (moveType == BlackDrop && selection < BlackPawn) {
13698 selection = (ChessSquare) ((int) selection
13699 + (int) BlackPawn - (int) WhitePawn);
13701 if (boards[currentMove][y][x] != EmptySquare) {
13702 DisplayMoveError(_("That square is occupied"));
13706 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13712 /* Accept a pending offer of any kind from opponent */
13714 if (appData.icsActive) {
13715 SendToICS(ics_prefix);
13716 SendToICS("accept\n");
13717 } else if (cmailMsgLoaded) {
13718 if (currentMove == cmailOldMove &&
13719 commentList[cmailOldMove] != NULL &&
13720 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13721 "Black offers a draw" : "White offers a draw")) {
13723 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13724 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13726 DisplayError(_("There is no pending offer on this move"), 0);
13727 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13730 /* Not used for offers from chess program */
13737 /* Decline a pending offer of any kind from opponent */
13739 if (appData.icsActive) {
13740 SendToICS(ics_prefix);
13741 SendToICS("decline\n");
13742 } else if (cmailMsgLoaded) {
13743 if (currentMove == cmailOldMove &&
13744 commentList[cmailOldMove] != NULL &&
13745 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13746 "Black offers a draw" : "White offers a draw")) {
13748 AppendComment(cmailOldMove, "Draw declined", TRUE);
13749 DisplayComment(cmailOldMove - 1, "Draw declined");
13752 DisplayError(_("There is no pending offer on this move"), 0);
13755 /* Not used for offers from chess program */
13762 /* Issue ICS rematch command */
13763 if (appData.icsActive) {
13764 SendToICS(ics_prefix);
13765 SendToICS("rematch\n");
13772 /* Call your opponent's flag (claim a win on time) */
13773 if (appData.icsActive) {
13774 SendToICS(ics_prefix);
13775 SendToICS("flag\n");
13777 switch (gameMode) {
13780 case MachinePlaysWhite:
13783 GameEnds(GameIsDrawn, "Both players ran out of time",
13786 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13788 DisplayError(_("Your opponent is not out of time"), 0);
13791 case MachinePlaysBlack:
13794 GameEnds(GameIsDrawn, "Both players ran out of time",
13797 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13799 DisplayError(_("Your opponent is not out of time"), 0);
13807 ClockClick(int which)
13808 { // [HGM] code moved to back-end from winboard.c
13809 if(which) { // black clock
13810 if (gameMode == EditPosition || gameMode == IcsExamining) {
13811 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13812 SetBlackToPlayEvent();
13813 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
13814 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
13815 } else if (shiftKey) {
13816 AdjustClock(which, -1);
13817 } else if (gameMode == IcsPlayingWhite ||
13818 gameMode == MachinePlaysBlack) {
13821 } else { // white clock
13822 if (gameMode == EditPosition || gameMode == IcsExamining) {
13823 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13824 SetWhiteToPlayEvent();
13825 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
13826 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
13827 } else if (shiftKey) {
13828 AdjustClock(which, -1);
13829 } else if (gameMode == IcsPlayingBlack ||
13830 gameMode == MachinePlaysWhite) {
13839 /* Offer draw or accept pending draw offer from opponent */
13841 if (appData.icsActive) {
13842 /* Note: tournament rules require draw offers to be
13843 made after you make your move but before you punch
13844 your clock. Currently ICS doesn't let you do that;
13845 instead, you immediately punch your clock after making
13846 a move, but you can offer a draw at any time. */
13848 SendToICS(ics_prefix);
13849 SendToICS("draw\n");
13850 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13851 } else if (cmailMsgLoaded) {
13852 if (currentMove == cmailOldMove &&
13853 commentList[cmailOldMove] != NULL &&
13854 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13855 "Black offers a draw" : "White offers a draw")) {
13856 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13857 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13858 } else if (currentMove == cmailOldMove + 1) {
13859 char *offer = WhiteOnMove(cmailOldMove) ?
13860 "White offers a draw" : "Black offers a draw";
13861 AppendComment(currentMove, offer, TRUE);
13862 DisplayComment(currentMove - 1, offer);
13863 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13865 DisplayError(_("You must make your move before offering a draw"), 0);
13866 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13868 } else if (first.offeredDraw) {
13869 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13871 if (first.sendDrawOffers) {
13872 SendToProgram("draw\n", &first);
13873 userOfferedDraw = TRUE;
13881 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13883 if (appData.icsActive) {
13884 SendToICS(ics_prefix);
13885 SendToICS("adjourn\n");
13887 /* Currently GNU Chess doesn't offer or accept Adjourns */
13895 /* Offer Abort or accept pending Abort offer from opponent */
13897 if (appData.icsActive) {
13898 SendToICS(ics_prefix);
13899 SendToICS("abort\n");
13901 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13908 /* Resign. You can do this even if it's not your turn. */
13910 if (appData.icsActive) {
13911 SendToICS(ics_prefix);
13912 SendToICS("resign\n");
13914 switch (gameMode) {
13915 case MachinePlaysWhite:
13916 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13918 case MachinePlaysBlack:
13919 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13922 if (cmailMsgLoaded) {
13924 if (WhiteOnMove(cmailOldMove)) {
13925 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13927 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13929 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13940 StopObservingEvent()
13942 /* Stop observing current games */
13943 SendToICS(ics_prefix);
13944 SendToICS("unobserve\n");
13948 StopExaminingEvent()
13950 /* Stop observing current game */
13951 SendToICS(ics_prefix);
13952 SendToICS("unexamine\n");
13956 ForwardInner(target)
13961 if (appData.debugMode)
13962 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13963 target, currentMove, forwardMostMove);
13965 if (gameMode == EditPosition)
13968 if (gameMode == PlayFromGameFile && !pausing)
13971 if (gameMode == IcsExamining && pausing)
13972 limit = pauseExamForwardMostMove;
13974 limit = forwardMostMove;
13976 if (target > limit) target = limit;
13978 if (target > 0 && moveList[target - 1][0]) {
13979 int fromX, fromY, toX, toY;
13980 toX = moveList[target - 1][2] - AAA;
13981 toY = moveList[target - 1][3] - ONE;
13982 if (moveList[target - 1][1] == '@') {
13983 if (appData.highlightLastMove) {
13984 SetHighlights(-1, -1, toX, toY);
13987 fromX = moveList[target - 1][0] - AAA;
13988 fromY = moveList[target - 1][1] - ONE;
13989 if (target == currentMove + 1) {
13990 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13992 if (appData.highlightLastMove) {
13993 SetHighlights(fromX, fromY, toX, toY);
13997 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13998 gameMode == Training || gameMode == PlayFromGameFile ||
13999 gameMode == AnalyzeFile) {
14000 while (currentMove < target) {
14001 SendMoveToProgram(currentMove++, &first);
14004 currentMove = target;
14007 if (gameMode == EditGame || gameMode == EndOfGame) {
14008 whiteTimeRemaining = timeRemaining[0][currentMove];
14009 blackTimeRemaining = timeRemaining[1][currentMove];
14011 DisplayBothClocks();
14012 DisplayMove(currentMove - 1);
14013 DrawPosition(FALSE, boards[currentMove]);
14014 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14015 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14016 DisplayComment(currentMove - 1, commentList[currentMove]);
14018 DisplayBook(currentMove);
14025 if (gameMode == IcsExamining && !pausing) {
14026 SendToICS(ics_prefix);
14027 SendToICS("forward\n");
14029 ForwardInner(currentMove + 1);
14036 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14037 /* to optimze, we temporarily turn off analysis mode while we feed
14038 * the remaining moves to the engine. Otherwise we get analysis output
14041 if (first.analysisSupport) {
14042 SendToProgram("exit\nforce\n", &first);
14043 first.analyzing = FALSE;
14047 if (gameMode == IcsExamining && !pausing) {
14048 SendToICS(ics_prefix);
14049 SendToICS("forward 999999\n");
14051 ForwardInner(forwardMostMove);
14054 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14055 /* we have fed all the moves, so reactivate analysis mode */
14056 SendToProgram("analyze\n", &first);
14057 first.analyzing = TRUE;
14058 /*first.maybeThinking = TRUE;*/
14059 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14064 BackwardInner(target)
14067 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14069 if (appData.debugMode)
14070 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14071 target, currentMove, forwardMostMove);
14073 if (gameMode == EditPosition) return;
14074 if (currentMove <= backwardMostMove) {
14076 DrawPosition(full_redraw, boards[currentMove]);
14079 if (gameMode == PlayFromGameFile && !pausing)
14082 if (moveList[target][0]) {
14083 int fromX, fromY, toX, toY;
14084 toX = moveList[target][2] - AAA;
14085 toY = moveList[target][3] - ONE;
14086 if (moveList[target][1] == '@') {
14087 if (appData.highlightLastMove) {
14088 SetHighlights(-1, -1, toX, toY);
14091 fromX = moveList[target][0] - AAA;
14092 fromY = moveList[target][1] - ONE;
14093 if (target == currentMove - 1) {
14094 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14096 if (appData.highlightLastMove) {
14097 SetHighlights(fromX, fromY, toX, toY);
14101 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14102 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14103 while (currentMove > target) {
14104 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14105 // null move cannot be undone. Reload program with move history before it.
14107 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14108 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14110 SendBoard(&first, i);
14111 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14114 SendToProgram("undo\n", &first);
14118 currentMove = target;
14121 if (gameMode == EditGame || gameMode == EndOfGame) {
14122 whiteTimeRemaining = timeRemaining[0][currentMove];
14123 blackTimeRemaining = timeRemaining[1][currentMove];
14125 DisplayBothClocks();
14126 DisplayMove(currentMove - 1);
14127 DrawPosition(full_redraw, boards[currentMove]);
14128 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14129 // [HGM] PV info: routine tests if comment empty
14130 DisplayComment(currentMove - 1, commentList[currentMove]);
14131 DisplayBook(currentMove);
14137 if (gameMode == IcsExamining && !pausing) {
14138 SendToICS(ics_prefix);
14139 SendToICS("backward\n");
14141 BackwardInner(currentMove - 1);
14148 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14149 /* to optimize, we temporarily turn off analysis mode while we undo
14150 * all the moves. Otherwise we get analysis output after each undo.
14152 if (first.analysisSupport) {
14153 SendToProgram("exit\nforce\n", &first);
14154 first.analyzing = FALSE;
14158 if (gameMode == IcsExamining && !pausing) {
14159 SendToICS(ics_prefix);
14160 SendToICS("backward 999999\n");
14162 BackwardInner(backwardMostMove);
14165 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14166 /* we have fed all the moves, so reactivate analysis mode */
14167 SendToProgram("analyze\n", &first);
14168 first.analyzing = TRUE;
14169 /*first.maybeThinking = TRUE;*/
14170 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14177 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14178 if (to >= forwardMostMove) to = forwardMostMove;
14179 if (to <= backwardMostMove) to = backwardMostMove;
14180 if (to < currentMove) {
14188 RevertEvent(Boolean annotate)
14190 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14193 if (gameMode != IcsExamining) {
14194 DisplayError(_("You are not examining a game"), 0);
14198 DisplayError(_("You can't revert while pausing"), 0);
14201 SendToICS(ics_prefix);
14202 SendToICS("revert\n");
14208 switch (gameMode) {
14209 case MachinePlaysWhite:
14210 case MachinePlaysBlack:
14211 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14212 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14215 if (forwardMostMove < 2) return;
14216 currentMove = forwardMostMove = forwardMostMove - 2;
14217 whiteTimeRemaining = timeRemaining[0][currentMove];
14218 blackTimeRemaining = timeRemaining[1][currentMove];
14219 DisplayBothClocks();
14220 DisplayMove(currentMove - 1);
14221 ClearHighlights();/*!! could figure this out*/
14222 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14223 SendToProgram("remove\n", &first);
14224 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14227 case BeginningOfGame:
14231 case IcsPlayingWhite:
14232 case IcsPlayingBlack:
14233 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14234 SendToICS(ics_prefix);
14235 SendToICS("takeback 2\n");
14237 SendToICS(ics_prefix);
14238 SendToICS("takeback 1\n");
14247 ChessProgramState *cps;
14249 switch (gameMode) {
14250 case MachinePlaysWhite:
14251 if (!WhiteOnMove(forwardMostMove)) {
14252 DisplayError(_("It is your turn"), 0);
14257 case MachinePlaysBlack:
14258 if (WhiteOnMove(forwardMostMove)) {
14259 DisplayError(_("It is your turn"), 0);
14264 case TwoMachinesPlay:
14265 if (WhiteOnMove(forwardMostMove) ==
14266 (first.twoMachinesColor[0] == 'w')) {
14272 case BeginningOfGame:
14276 SendToProgram("?\n", cps);
14280 TruncateGameEvent()
14283 if (gameMode != EditGame) return;
14290 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14291 if (forwardMostMove > currentMove) {
14292 if (gameInfo.resultDetails != NULL) {
14293 free(gameInfo.resultDetails);
14294 gameInfo.resultDetails = NULL;
14295 gameInfo.result = GameUnfinished;
14297 forwardMostMove = currentMove;
14298 HistorySet(parseList, backwardMostMove, forwardMostMove,
14306 if (appData.noChessProgram) return;
14307 switch (gameMode) {
14308 case MachinePlaysWhite:
14309 if (WhiteOnMove(forwardMostMove)) {
14310 DisplayError(_("Wait until your turn"), 0);
14314 case BeginningOfGame:
14315 case MachinePlaysBlack:
14316 if (!WhiteOnMove(forwardMostMove)) {
14317 DisplayError(_("Wait until your turn"), 0);
14322 DisplayError(_("No hint available"), 0);
14325 SendToProgram("hint\n", &first);
14326 hintRequested = TRUE;
14332 if (appData.noChessProgram) return;
14333 switch (gameMode) {
14334 case MachinePlaysWhite:
14335 if (WhiteOnMove(forwardMostMove)) {
14336 DisplayError(_("Wait until your turn"), 0);
14340 case BeginningOfGame:
14341 case MachinePlaysBlack:
14342 if (!WhiteOnMove(forwardMostMove)) {
14343 DisplayError(_("Wait until your turn"), 0);
14348 EditPositionDone(TRUE);
14350 case TwoMachinesPlay:
14355 SendToProgram("bk\n", &first);
14356 bookOutput[0] = NULLCHAR;
14357 bookRequested = TRUE;
14363 char *tags = PGNTags(&gameInfo);
14364 TagsPopUp(tags, CmailMsg());
14368 /* end button procedures */
14371 PrintPosition(fp, move)
14377 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14378 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14379 char c = PieceToChar(boards[move][i][j]);
14380 fputc(c == 'x' ? '.' : c, fp);
14381 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14384 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14385 fprintf(fp, "white to play\n");
14387 fprintf(fp, "black to play\n");
14394 if (gameInfo.white != NULL) {
14395 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14401 /* Find last component of program's own name, using some heuristics */
14403 TidyProgramName(prog, host, buf)
14404 char *prog, *host, buf[MSG_SIZ];
14407 int local = (strcmp(host, "localhost") == 0);
14408 while (!local && (p = strchr(prog, ';')) != NULL) {
14410 while (*p == ' ') p++;
14413 if (*prog == '"' || *prog == '\'') {
14414 q = strchr(prog + 1, *prog);
14416 q = strchr(prog, ' ');
14418 if (q == NULL) q = prog + strlen(prog);
14420 while (p >= prog && *p != '/' && *p != '\\') p--;
14422 if(p == prog && *p == '"') p++;
14423 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14424 memcpy(buf, p, q - p);
14425 buf[q - p] = NULLCHAR;
14433 TimeControlTagValue()
14436 if (!appData.clockMode) {
14437 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14438 } else if (movesPerSession > 0) {
14439 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14440 } else if (timeIncrement == 0) {
14441 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14443 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14445 return StrSave(buf);
14451 /* This routine is used only for certain modes */
14452 VariantClass v = gameInfo.variant;
14453 ChessMove r = GameUnfinished;
14456 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14457 r = gameInfo.result;
14458 p = gameInfo.resultDetails;
14459 gameInfo.resultDetails = NULL;
14461 ClearGameInfo(&gameInfo);
14462 gameInfo.variant = v;
14464 switch (gameMode) {
14465 case MachinePlaysWhite:
14466 gameInfo.event = StrSave( appData.pgnEventHeader );
14467 gameInfo.site = StrSave(HostName());
14468 gameInfo.date = PGNDate();
14469 gameInfo.round = StrSave("-");
14470 gameInfo.white = StrSave(first.tidy);
14471 gameInfo.black = StrSave(UserName());
14472 gameInfo.timeControl = TimeControlTagValue();
14475 case MachinePlaysBlack:
14476 gameInfo.event = StrSave( appData.pgnEventHeader );
14477 gameInfo.site = StrSave(HostName());
14478 gameInfo.date = PGNDate();
14479 gameInfo.round = StrSave("-");
14480 gameInfo.white = StrSave(UserName());
14481 gameInfo.black = StrSave(first.tidy);
14482 gameInfo.timeControl = TimeControlTagValue();
14485 case TwoMachinesPlay:
14486 gameInfo.event = StrSave( appData.pgnEventHeader );
14487 gameInfo.site = StrSave(HostName());
14488 gameInfo.date = PGNDate();
14491 snprintf(buf, MSG_SIZ, "%d", roundNr);
14492 gameInfo.round = StrSave(buf);
14494 gameInfo.round = StrSave("-");
14496 if (first.twoMachinesColor[0] == 'w') {
14497 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14498 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14500 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14501 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14503 gameInfo.timeControl = TimeControlTagValue();
14507 gameInfo.event = StrSave("Edited game");
14508 gameInfo.site = StrSave(HostName());
14509 gameInfo.date = PGNDate();
14510 gameInfo.round = StrSave("-");
14511 gameInfo.white = StrSave("-");
14512 gameInfo.black = StrSave("-");
14513 gameInfo.result = r;
14514 gameInfo.resultDetails = p;
14518 gameInfo.event = StrSave("Edited position");
14519 gameInfo.site = StrSave(HostName());
14520 gameInfo.date = PGNDate();
14521 gameInfo.round = StrSave("-");
14522 gameInfo.white = StrSave("-");
14523 gameInfo.black = StrSave("-");
14526 case IcsPlayingWhite:
14527 case IcsPlayingBlack:
14532 case PlayFromGameFile:
14533 gameInfo.event = StrSave("Game from non-PGN file");
14534 gameInfo.site = StrSave(HostName());
14535 gameInfo.date = PGNDate();
14536 gameInfo.round = StrSave("-");
14537 gameInfo.white = StrSave("?");
14538 gameInfo.black = StrSave("?");
14547 ReplaceComment(index, text)
14555 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14556 pvInfoList[index-1].depth == len &&
14557 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14558 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14559 while (*text == '\n') text++;
14560 len = strlen(text);
14561 while (len > 0 && text[len - 1] == '\n') len--;
14563 if (commentList[index] != NULL)
14564 free(commentList[index]);
14567 commentList[index] = NULL;
14570 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14571 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14572 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14573 commentList[index] = (char *) malloc(len + 2);
14574 strncpy(commentList[index], text, len);
14575 commentList[index][len] = '\n';
14576 commentList[index][len + 1] = NULLCHAR;
14578 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14580 commentList[index] = (char *) malloc(len + 7);
14581 safeStrCpy(commentList[index], "{\n", 3);
14582 safeStrCpy(commentList[index]+2, text, len+1);
14583 commentList[index][len+2] = NULLCHAR;
14584 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14585 strcat(commentList[index], "\n}\n");
14599 if (ch == '\r') continue;
14601 } while (ch != '\0');
14605 AppendComment(index, text, addBraces)
14608 Boolean addBraces; // [HGM] braces: tells if we should add {}
14613 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14614 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14617 while (*text == '\n') text++;
14618 len = strlen(text);
14619 while (len > 0 && text[len - 1] == '\n') len--;
14621 if (len == 0) return;
14623 if (commentList[index] != NULL) {
14624 old = commentList[index];
14625 oldlen = strlen(old);
14626 while(commentList[index][oldlen-1] == '\n')
14627 commentList[index][--oldlen] = NULLCHAR;
14628 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14629 safeStrCpy(commentList[index], old, oldlen + len + 6);
14631 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14632 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14633 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14634 while (*text == '\n') { text++; len--; }
14635 commentList[index][--oldlen] = NULLCHAR;
14637 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14638 else strcat(commentList[index], "\n");
14639 strcat(commentList[index], text);
14640 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14641 else strcat(commentList[index], "\n");
14643 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14645 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14646 else commentList[index][0] = NULLCHAR;
14647 strcat(commentList[index], text);
14648 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14649 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14653 static char * FindStr( char * text, char * sub_text )
14655 char * result = strstr( text, sub_text );
14657 if( result != NULL ) {
14658 result += strlen( sub_text );
14664 /* [AS] Try to extract PV info from PGN comment */
14665 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14666 char *GetInfoFromComment( int index, char * text )
14668 char * sep = text, *p;
14670 if( text != NULL && index > 0 ) {
14673 int time = -1, sec = 0, deci;
14674 char * s_eval = FindStr( text, "[%eval " );
14675 char * s_emt = FindStr( text, "[%emt " );
14677 if( s_eval != NULL || s_emt != NULL ) {
14681 if( s_eval != NULL ) {
14682 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14686 if( delim != ']' ) {
14691 if( s_emt != NULL ) {
14696 /* We expect something like: [+|-]nnn.nn/dd */
14699 if(*text != '{') return text; // [HGM] braces: must be normal comment
14701 sep = strchr( text, '/' );
14702 if( sep == NULL || sep < (text+4) ) {
14707 if(p[1] == '(') { // comment starts with PV
14708 p = strchr(p, ')'); // locate end of PV
14709 if(p == NULL || sep < p+5) return text;
14710 // at this point we have something like "{(.*) +0.23/6 ..."
14711 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14712 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14713 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14715 time = -1; sec = -1; deci = -1;
14716 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14717 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14718 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14719 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14723 if( score_lo < 0 || score_lo >= 100 ) {
14727 if(sec >= 0) time = 600*time + 10*sec; else
14728 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14730 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14732 /* [HGM] PV time: now locate end of PV info */
14733 while( *++sep >= '0' && *sep <= '9'); // strip depth
14735 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14737 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14739 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14740 while(*sep == ' ') sep++;
14751 pvInfoList[index-1].depth = depth;
14752 pvInfoList[index-1].score = score;
14753 pvInfoList[index-1].time = 10*time; // centi-sec
14754 if(*sep == '}') *sep = 0; else *--sep = '{';
14755 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14761 SendToProgram(message, cps)
14763 ChessProgramState *cps;
14765 int count, outCount, error;
14768 if (cps->pr == NULL) return;
14771 if (appData.debugMode) {
14774 fprintf(debugFP, "%ld >%-6s: %s",
14775 SubtractTimeMarks(&now, &programStartTime),
14776 cps->which, message);
14779 count = strlen(message);
14780 outCount = OutputToProcess(cps->pr, message, count, &error);
14781 if (outCount < count && !exiting
14782 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14783 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14784 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14785 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14786 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14787 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14788 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14789 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14791 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14792 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14793 gameInfo.result = res;
14795 gameInfo.resultDetails = StrSave(buf);
14797 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14798 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14803 ReceiveFromProgram(isr, closure, message, count, error)
14804 InputSourceRef isr;
14812 ChessProgramState *cps = (ChessProgramState *)closure;
14814 if (isr != cps->isr) return; /* Killed intentionally */
14817 RemoveInputSource(cps->isr);
14818 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14819 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14820 _(cps->which), cps->program);
14821 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14822 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14823 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14824 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14825 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14827 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14828 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14829 gameInfo.result = res;
14831 gameInfo.resultDetails = StrSave(buf);
14833 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14834 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14836 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14837 _(cps->which), cps->program);
14838 RemoveInputSource(cps->isr);
14840 /* [AS] Program is misbehaving badly... kill it */
14841 if( count == -2 ) {
14842 DestroyChildProcess( cps->pr, 9 );
14846 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14851 if ((end_str = strchr(message, '\r')) != NULL)
14852 *end_str = NULLCHAR;
14853 if ((end_str = strchr(message, '\n')) != NULL)
14854 *end_str = NULLCHAR;
14856 if (appData.debugMode) {
14857 TimeMark now; int print = 1;
14858 char *quote = ""; char c; int i;
14860 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14861 char start = message[0];
14862 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14863 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14864 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14865 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14866 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14867 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14868 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14869 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14870 sscanf(message, "hint: %c", &c)!=1 &&
14871 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14872 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14873 print = (appData.engineComments >= 2);
14875 message[0] = start; // restore original message
14879 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14880 SubtractTimeMarks(&now, &programStartTime), cps->which,
14886 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14887 if (appData.icsEngineAnalyze) {
14888 if (strstr(message, "whisper") != NULL ||
14889 strstr(message, "kibitz") != NULL ||
14890 strstr(message, "tellics") != NULL) return;
14893 HandleMachineMove(message, cps);
14898 SendTimeControl(cps, mps, tc, inc, sd, st)
14899 ChessProgramState *cps;
14900 int mps, inc, sd, st;
14906 if( timeControl_2 > 0 ) {
14907 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14908 tc = timeControl_2;
14911 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14912 inc /= cps->timeOdds;
14913 st /= cps->timeOdds;
14915 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14918 /* Set exact time per move, normally using st command */
14919 if (cps->stKludge) {
14920 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14922 if (seconds == 0) {
14923 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14925 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14928 snprintf(buf, MSG_SIZ, "st %d\n", st);
14931 /* Set conventional or incremental time control, using level command */
14932 if (seconds == 0) {
14933 /* Note old gnuchess bug -- minutes:seconds used to not work.
14934 Fixed in later versions, but still avoid :seconds
14935 when seconds is 0. */
14936 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14938 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14939 seconds, inc/1000.);
14942 SendToProgram(buf, cps);
14944 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14945 /* Orthogonally, limit search to given depth */
14947 if (cps->sdKludge) {
14948 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14950 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14952 SendToProgram(buf, cps);
14955 if(cps->nps >= 0) { /* [HGM] nps */
14956 if(cps->supportsNPS == FALSE)
14957 cps->nps = -1; // don't use if engine explicitly says not supported!
14959 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14960 SendToProgram(buf, cps);
14965 ChessProgramState *WhitePlayer()
14966 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14968 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14969 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14975 SendTimeRemaining(cps, machineWhite)
14976 ChessProgramState *cps;
14977 int /*boolean*/ machineWhite;
14979 char message[MSG_SIZ];
14982 /* Note: this routine must be called when the clocks are stopped
14983 or when they have *just* been set or switched; otherwise
14984 it will be off by the time since the current tick started.
14986 if (machineWhite) {
14987 time = whiteTimeRemaining / 10;
14988 otime = blackTimeRemaining / 10;
14990 time = blackTimeRemaining / 10;
14991 otime = whiteTimeRemaining / 10;
14993 /* [HGM] translate opponent's time by time-odds factor */
14994 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14995 if (appData.debugMode) {
14996 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14999 if (time <= 0) time = 1;
15000 if (otime <= 0) otime = 1;
15002 snprintf(message, MSG_SIZ, "time %ld\n", time);
15003 SendToProgram(message, cps);
15005 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15006 SendToProgram(message, cps);
15010 BoolFeature(p, name, loc, cps)
15014 ChessProgramState *cps;
15017 int len = strlen(name);
15020 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15022 sscanf(*p, "%d", &val);
15024 while (**p && **p != ' ')
15026 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15027 SendToProgram(buf, cps);
15034 IntFeature(p, name, loc, cps)
15038 ChessProgramState *cps;
15041 int len = strlen(name);
15042 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15044 sscanf(*p, "%d", loc);
15045 while (**p && **p != ' ') (*p)++;
15046 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15047 SendToProgram(buf, cps);
15054 StringFeature(p, name, loc, cps)
15058 ChessProgramState *cps;
15061 int len = strlen(name);
15062 if (strncmp((*p), name, len) == 0
15063 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15065 sscanf(*p, "%[^\"]", loc);
15066 while (**p && **p != '\"') (*p)++;
15067 if (**p == '\"') (*p)++;
15068 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15069 SendToProgram(buf, cps);
15076 ParseOption(Option *opt, ChessProgramState *cps)
15077 // [HGM] options: process the string that defines an engine option, and determine
15078 // name, type, default value, and allowed value range
15080 char *p, *q, buf[MSG_SIZ];
15081 int n, min = (-1)<<31, max = 1<<31, def;
15083 if(p = strstr(opt->name, " -spin ")) {
15084 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15085 if(max < min) max = min; // enforce consistency
15086 if(def < min) def = min;
15087 if(def > max) def = max;
15092 } else if((p = strstr(opt->name, " -slider "))) {
15093 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15094 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15095 if(max < min) max = min; // enforce consistency
15096 if(def < min) def = min;
15097 if(def > max) def = max;
15101 opt->type = Spin; // Slider;
15102 } else if((p = strstr(opt->name, " -string "))) {
15103 opt->textValue = p+9;
15104 opt->type = TextBox;
15105 } else if((p = strstr(opt->name, " -file "))) {
15106 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15107 opt->textValue = p+7;
15108 opt->type = FileName; // FileName;
15109 } else if((p = strstr(opt->name, " -path "))) {
15110 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15111 opt->textValue = p+7;
15112 opt->type = PathName; // PathName;
15113 } else if(p = strstr(opt->name, " -check ")) {
15114 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15115 opt->value = (def != 0);
15116 opt->type = CheckBox;
15117 } else if(p = strstr(opt->name, " -combo ")) {
15118 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15119 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15120 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15121 opt->value = n = 0;
15122 while(q = StrStr(q, " /// ")) {
15123 n++; *q = 0; // count choices, and null-terminate each of them
15125 if(*q == '*') { // remember default, which is marked with * prefix
15129 cps->comboList[cps->comboCnt++] = q;
15131 cps->comboList[cps->comboCnt++] = NULL;
15133 opt->type = ComboBox;
15134 } else if(p = strstr(opt->name, " -button")) {
15135 opt->type = Button;
15136 } else if(p = strstr(opt->name, " -save")) {
15137 opt->type = SaveButton;
15138 } else return FALSE;
15139 *p = 0; // terminate option name
15140 // now look if the command-line options define a setting for this engine option.
15141 if(cps->optionSettings && cps->optionSettings[0])
15142 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15143 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15144 snprintf(buf, MSG_SIZ, "option %s", p);
15145 if(p = strstr(buf, ",")) *p = 0;
15146 if(q = strchr(buf, '=')) switch(opt->type) {
15148 for(n=0; n<opt->max; n++)
15149 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15152 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15156 opt->value = atoi(q+1);
15161 SendToProgram(buf, cps);
15167 FeatureDone(cps, val)
15168 ChessProgramState* cps;
15171 DelayedEventCallback cb = GetDelayedEvent();
15172 if ((cb == InitBackEnd3 && cps == &first) ||
15173 (cb == SettingsMenuIfReady && cps == &second) ||
15174 (cb == LoadEngine) ||
15175 (cb == TwoMachinesEventIfReady)) {
15176 CancelDelayedEvent();
15177 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15179 cps->initDone = val;
15182 /* Parse feature command from engine */
15184 ParseFeatures(args, cps)
15186 ChessProgramState *cps;
15194 while (*p == ' ') p++;
15195 if (*p == NULLCHAR) return;
15197 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15198 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15199 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15200 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15201 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15202 if (BoolFeature(&p, "reuse", &val, cps)) {
15203 /* Engine can disable reuse, but can't enable it if user said no */
15204 if (!val) cps->reuse = FALSE;
15207 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15208 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15209 if (gameMode == TwoMachinesPlay) {
15210 DisplayTwoMachinesTitle();
15216 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15217 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15218 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15219 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15220 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15221 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15222 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15223 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15224 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15225 if (IntFeature(&p, "done", &val, cps)) {
15226 FeatureDone(cps, val);
15229 /* Added by Tord: */
15230 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15231 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15232 /* End of additions by Tord */
15234 /* [HGM] added features: */
15235 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15236 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15237 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15238 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15239 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15240 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15241 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15242 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15243 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15244 SendToProgram(buf, cps);
15247 if(cps->nrOptions >= MAX_OPTIONS) {
15249 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15250 DisplayError(buf, 0);
15254 /* End of additions by HGM */
15256 /* unknown feature: complain and skip */
15258 while (*q && *q != '=') q++;
15259 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15260 SendToProgram(buf, cps);
15266 while (*p && *p != '\"') p++;
15267 if (*p == '\"') p++;
15269 while (*p && *p != ' ') p++;
15277 PeriodicUpdatesEvent(newState)
15280 if (newState == appData.periodicUpdates)
15283 appData.periodicUpdates=newState;
15285 /* Display type changes, so update it now */
15286 // DisplayAnalysis();
15288 /* Get the ball rolling again... */
15290 AnalysisPeriodicEvent(1);
15291 StartAnalysisClock();
15296 PonderNextMoveEvent(newState)
15299 if (newState == appData.ponderNextMove) return;
15300 if (gameMode == EditPosition) EditPositionDone(TRUE);
15302 SendToProgram("hard\n", &first);
15303 if (gameMode == TwoMachinesPlay) {
15304 SendToProgram("hard\n", &second);
15307 SendToProgram("easy\n", &first);
15308 thinkOutput[0] = NULLCHAR;
15309 if (gameMode == TwoMachinesPlay) {
15310 SendToProgram("easy\n", &second);
15313 appData.ponderNextMove = newState;
15317 NewSettingEvent(option, feature, command, value)
15319 int option, value, *feature;
15323 if (gameMode == EditPosition) EditPositionDone(TRUE);
15324 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15325 if(feature == NULL || *feature) SendToProgram(buf, &first);
15326 if (gameMode == TwoMachinesPlay) {
15327 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15332 ShowThinkingEvent()
15333 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15335 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15336 int newState = appData.showThinking
15337 // [HGM] thinking: other features now need thinking output as well
15338 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15340 if (oldState == newState) return;
15341 oldState = newState;
15342 if (gameMode == EditPosition) EditPositionDone(TRUE);
15344 SendToProgram("post\n", &first);
15345 if (gameMode == TwoMachinesPlay) {
15346 SendToProgram("post\n", &second);
15349 SendToProgram("nopost\n", &first);
15350 thinkOutput[0] = NULLCHAR;
15351 if (gameMode == TwoMachinesPlay) {
15352 SendToProgram("nopost\n", &second);
15355 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15359 AskQuestionEvent(title, question, replyPrefix, which)
15360 char *title; char *question; char *replyPrefix; char *which;
15362 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15363 if (pr == NoProc) return;
15364 AskQuestion(title, question, replyPrefix, pr);
15368 TypeInEvent(char firstChar)
15370 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15371 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15372 gameMode == AnalyzeMode || gameMode == EditGame ||
15373 gameMode == EditPosition || gameMode == IcsExamining ||
15374 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15375 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15376 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15377 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15378 gameMode == Training) PopUpMoveDialog(firstChar);
15382 TypeInDoneEvent(char *move)
15385 int n, fromX, fromY, toX, toY;
15387 ChessMove moveType;
15390 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15391 EditPositionPasteFEN(move);
15394 // [HGM] movenum: allow move number to be typed in any mode
15395 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15400 if (gameMode != EditGame && currentMove != forwardMostMove &&
15401 gameMode != Training) {
15402 DisplayMoveError(_("Displayed move is not current"));
15404 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15405 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15406 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15407 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15408 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15409 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15411 DisplayMoveError(_("Could not parse move"));
15417 DisplayMove(moveNumber)
15420 char message[MSG_SIZ];
15422 char cpThinkOutput[MSG_SIZ];
15424 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15426 if (moveNumber == forwardMostMove - 1 ||
15427 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15429 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15431 if (strchr(cpThinkOutput, '\n')) {
15432 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15435 *cpThinkOutput = NULLCHAR;
15438 /* [AS] Hide thinking from human user */
15439 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15440 *cpThinkOutput = NULLCHAR;
15441 if( thinkOutput[0] != NULLCHAR ) {
15444 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15445 cpThinkOutput[i] = '.';
15447 cpThinkOutput[i] = NULLCHAR;
15448 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15452 if (moveNumber == forwardMostMove - 1 &&
15453 gameInfo.resultDetails != NULL) {
15454 if (gameInfo.resultDetails[0] == NULLCHAR) {
15455 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15457 snprintf(res, MSG_SIZ, " {%s} %s",
15458 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15464 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15465 DisplayMessage(res, cpThinkOutput);
15467 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15468 WhiteOnMove(moveNumber) ? " " : ".. ",
15469 parseList[moveNumber], res);
15470 DisplayMessage(message, cpThinkOutput);
15475 DisplayComment(moveNumber, text)
15479 char title[MSG_SIZ];
15481 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15482 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15484 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15485 WhiteOnMove(moveNumber) ? " " : ".. ",
15486 parseList[moveNumber]);
15488 if (text != NULL && (appData.autoDisplayComment || commentUp))
15489 CommentPopUp(title, text);
15492 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15493 * might be busy thinking or pondering. It can be omitted if your
15494 * gnuchess is configured to stop thinking immediately on any user
15495 * input. However, that gnuchess feature depends on the FIONREAD
15496 * ioctl, which does not work properly on some flavors of Unix.
15500 ChessProgramState *cps;
15503 if (!cps->useSigint) return;
15504 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15505 switch (gameMode) {
15506 case MachinePlaysWhite:
15507 case MachinePlaysBlack:
15508 case TwoMachinesPlay:
15509 case IcsPlayingWhite:
15510 case IcsPlayingBlack:
15513 /* Skip if we know it isn't thinking */
15514 if (!cps->maybeThinking) return;
15515 if (appData.debugMode)
15516 fprintf(debugFP, "Interrupting %s\n", cps->which);
15517 InterruptChildProcess(cps->pr);
15518 cps->maybeThinking = FALSE;
15523 #endif /*ATTENTION*/
15529 if (whiteTimeRemaining <= 0) {
15532 if (appData.icsActive) {
15533 if (appData.autoCallFlag &&
15534 gameMode == IcsPlayingBlack && !blackFlag) {
15535 SendToICS(ics_prefix);
15536 SendToICS("flag\n");
15540 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15542 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15543 if (appData.autoCallFlag) {
15544 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15551 if (blackTimeRemaining <= 0) {
15554 if (appData.icsActive) {
15555 if (appData.autoCallFlag &&
15556 gameMode == IcsPlayingWhite && !whiteFlag) {
15557 SendToICS(ics_prefix);
15558 SendToICS("flag\n");
15562 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15564 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15565 if (appData.autoCallFlag) {
15566 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15579 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15580 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15583 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15585 if ( !WhiteOnMove(forwardMostMove) ) {
15586 /* White made time control */
15587 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15588 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15589 /* [HGM] time odds: correct new time quota for time odds! */
15590 / WhitePlayer()->timeOdds;
15591 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15593 lastBlack -= blackTimeRemaining;
15594 /* Black made time control */
15595 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15596 / WhitePlayer()->other->timeOdds;
15597 lastWhite = whiteTimeRemaining;
15602 DisplayBothClocks()
15604 int wom = gameMode == EditPosition ?
15605 !blackPlaysFirst : WhiteOnMove(currentMove);
15606 DisplayWhiteClock(whiteTimeRemaining, wom);
15607 DisplayBlackClock(blackTimeRemaining, !wom);
15611 /* Timekeeping seems to be a portability nightmare. I think everyone
15612 has ftime(), but I'm really not sure, so I'm including some ifdefs
15613 to use other calls if you don't. Clocks will be less accurate if
15614 you have neither ftime nor gettimeofday.
15617 /* VS 2008 requires the #include outside of the function */
15618 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15619 #include <sys/timeb.h>
15622 /* Get the current time as a TimeMark */
15627 #if HAVE_GETTIMEOFDAY
15629 struct timeval timeVal;
15630 struct timezone timeZone;
15632 gettimeofday(&timeVal, &timeZone);
15633 tm->sec = (long) timeVal.tv_sec;
15634 tm->ms = (int) (timeVal.tv_usec / 1000L);
15636 #else /*!HAVE_GETTIMEOFDAY*/
15639 // include <sys/timeb.h> / moved to just above start of function
15640 struct timeb timeB;
15643 tm->sec = (long) timeB.time;
15644 tm->ms = (int) timeB.millitm;
15646 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15647 tm->sec = (long) time(NULL);
15653 /* Return the difference in milliseconds between two
15654 time marks. We assume the difference will fit in a long!
15657 SubtractTimeMarks(tm2, tm1)
15658 TimeMark *tm2, *tm1;
15660 return 1000L*(tm2->sec - tm1->sec) +
15661 (long) (tm2->ms - tm1->ms);
15666 * Code to manage the game clocks.
15668 * In tournament play, black starts the clock and then white makes a move.
15669 * We give the human user a slight advantage if he is playing white---the
15670 * clocks don't run until he makes his first move, so it takes zero time.
15671 * Also, we don't account for network lag, so we could get out of sync
15672 * with GNU Chess's clock -- but then, referees are always right.
15675 static TimeMark tickStartTM;
15676 static long intendedTickLength;
15679 NextTickLength(timeRemaining)
15680 long timeRemaining;
15682 long nominalTickLength, nextTickLength;
15684 if (timeRemaining > 0L && timeRemaining <= 10000L)
15685 nominalTickLength = 100L;
15687 nominalTickLength = 1000L;
15688 nextTickLength = timeRemaining % nominalTickLength;
15689 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15691 return nextTickLength;
15694 /* Adjust clock one minute up or down */
15696 AdjustClock(Boolean which, int dir)
15698 if(which) blackTimeRemaining += 60000*dir;
15699 else whiteTimeRemaining += 60000*dir;
15700 DisplayBothClocks();
15703 /* Stop clocks and reset to a fresh time control */
15707 (void) StopClockTimer();
15708 if (appData.icsActive) {
15709 whiteTimeRemaining = blackTimeRemaining = 0;
15710 } else if (searchTime) {
15711 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15712 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15713 } else { /* [HGM] correct new time quote for time odds */
15714 whiteTC = blackTC = fullTimeControlString;
15715 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15716 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15718 if (whiteFlag || blackFlag) {
15720 whiteFlag = blackFlag = FALSE;
15722 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15723 DisplayBothClocks();
15726 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15728 /* Decrement running clock by amount of time that has passed */
15732 long timeRemaining;
15733 long lastTickLength, fudge;
15736 if (!appData.clockMode) return;
15737 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15741 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15743 /* Fudge if we woke up a little too soon */
15744 fudge = intendedTickLength - lastTickLength;
15745 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15747 if (WhiteOnMove(forwardMostMove)) {
15748 if(whiteNPS >= 0) lastTickLength = 0;
15749 timeRemaining = whiteTimeRemaining -= lastTickLength;
15750 if(timeRemaining < 0 && !appData.icsActive) {
15751 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15752 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15753 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15754 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15757 DisplayWhiteClock(whiteTimeRemaining - fudge,
15758 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15760 if(blackNPS >= 0) lastTickLength = 0;
15761 timeRemaining = blackTimeRemaining -= lastTickLength;
15762 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15763 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15765 blackStartMove = forwardMostMove;
15766 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15769 DisplayBlackClock(blackTimeRemaining - fudge,
15770 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15772 if (CheckFlags()) return;
15775 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15776 StartClockTimer(intendedTickLength);
15778 /* if the time remaining has fallen below the alarm threshold, sound the
15779 * alarm. if the alarm has sounded and (due to a takeback or time control
15780 * with increment) the time remaining has increased to a level above the
15781 * threshold, reset the alarm so it can sound again.
15784 if (appData.icsActive && appData.icsAlarm) {
15786 /* make sure we are dealing with the user's clock */
15787 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15788 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15791 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15792 alarmSounded = FALSE;
15793 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15795 alarmSounded = TRUE;
15801 /* A player has just moved, so stop the previously running
15802 clock and (if in clock mode) start the other one.
15803 We redisplay both clocks in case we're in ICS mode, because
15804 ICS gives us an update to both clocks after every move.
15805 Note that this routine is called *after* forwardMostMove
15806 is updated, so the last fractional tick must be subtracted
15807 from the color that is *not* on move now.
15810 SwitchClocks(int newMoveNr)
15812 long lastTickLength;
15814 int flagged = FALSE;
15818 if (StopClockTimer() && appData.clockMode) {
15819 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15820 if (!WhiteOnMove(forwardMostMove)) {
15821 if(blackNPS >= 0) lastTickLength = 0;
15822 blackTimeRemaining -= lastTickLength;
15823 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15824 // if(pvInfoList[forwardMostMove].time == -1)
15825 pvInfoList[forwardMostMove].time = // use GUI time
15826 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15828 if(whiteNPS >= 0) lastTickLength = 0;
15829 whiteTimeRemaining -= lastTickLength;
15830 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15831 // if(pvInfoList[forwardMostMove].time == -1)
15832 pvInfoList[forwardMostMove].time =
15833 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15835 flagged = CheckFlags();
15837 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15838 CheckTimeControl();
15840 if (flagged || !appData.clockMode) return;
15842 switch (gameMode) {
15843 case MachinePlaysBlack:
15844 case MachinePlaysWhite:
15845 case BeginningOfGame:
15846 if (pausing) return;
15850 case PlayFromGameFile:
15858 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15859 if(WhiteOnMove(forwardMostMove))
15860 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15861 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15865 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15866 whiteTimeRemaining : blackTimeRemaining);
15867 StartClockTimer(intendedTickLength);
15871 /* Stop both clocks */
15875 long lastTickLength;
15878 if (!StopClockTimer()) return;
15879 if (!appData.clockMode) return;
15883 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15884 if (WhiteOnMove(forwardMostMove)) {
15885 if(whiteNPS >= 0) lastTickLength = 0;
15886 whiteTimeRemaining -= lastTickLength;
15887 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15889 if(blackNPS >= 0) lastTickLength = 0;
15890 blackTimeRemaining -= lastTickLength;
15891 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15896 /* Start clock of player on move. Time may have been reset, so
15897 if clock is already running, stop and restart it. */
15901 (void) StopClockTimer(); /* in case it was running already */
15902 DisplayBothClocks();
15903 if (CheckFlags()) return;
15905 if (!appData.clockMode) return;
15906 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15908 GetTimeMark(&tickStartTM);
15909 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15910 whiteTimeRemaining : blackTimeRemaining);
15912 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15913 whiteNPS = blackNPS = -1;
15914 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15915 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15916 whiteNPS = first.nps;
15917 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15918 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15919 blackNPS = first.nps;
15920 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15921 whiteNPS = second.nps;
15922 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15923 blackNPS = second.nps;
15924 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15926 StartClockTimer(intendedTickLength);
15933 long second, minute, hour, day;
15935 static char buf[32];
15937 if (ms > 0 && ms <= 9900) {
15938 /* convert milliseconds to tenths, rounding up */
15939 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15941 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15945 /* convert milliseconds to seconds, rounding up */
15946 /* use floating point to avoid strangeness of integer division
15947 with negative dividends on many machines */
15948 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15955 day = second / (60 * 60 * 24);
15956 second = second % (60 * 60 * 24);
15957 hour = second / (60 * 60);
15958 second = second % (60 * 60);
15959 minute = second / 60;
15960 second = second % 60;
15963 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15964 sign, day, hour, minute, second);
15966 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15968 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15975 * This is necessary because some C libraries aren't ANSI C compliant yet.
15978 StrStr(string, match)
15979 char *string, *match;
15983 length = strlen(match);
15985 for (i = strlen(string) - length; i >= 0; i--, string++)
15986 if (!strncmp(match, string, length))
15993 StrCaseStr(string, match)
15994 char *string, *match;
15998 length = strlen(match);
16000 for (i = strlen(string) - length; i >= 0; i--, string++) {
16001 for (j = 0; j < length; j++) {
16002 if (ToLower(match[j]) != ToLower(string[j]))
16005 if (j == length) return string;
16019 c1 = ToLower(*s1++);
16020 c2 = ToLower(*s2++);
16021 if (c1 > c2) return 1;
16022 if (c1 < c2) return -1;
16023 if (c1 == NULLCHAR) return 0;
16032 return isupper(c) ? tolower(c) : c;
16040 return islower(c) ? toupper(c) : c;
16042 #endif /* !_amigados */
16050 if ((ret = (char *) malloc(strlen(s) + 1)))
16052 safeStrCpy(ret, s, strlen(s)+1);
16058 StrSavePtr(s, savePtr)
16059 char *s, **savePtr;
16064 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16065 safeStrCpy(*savePtr, s, strlen(s)+1);
16077 clock = time((time_t *)NULL);
16078 tm = localtime(&clock);
16079 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16080 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16081 return StrSave(buf);
16086 PositionToFEN(move, overrideCastling)
16088 char *overrideCastling;
16090 int i, j, fromX, fromY, toX, toY;
16097 whiteToPlay = (gameMode == EditPosition) ?
16098 !blackPlaysFirst : (move % 2 == 0);
16101 /* Piece placement data */
16102 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16103 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16105 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16106 if (boards[move][i][j] == EmptySquare) {
16108 } else { ChessSquare piece = boards[move][i][j];
16109 if (emptycount > 0) {
16110 if(emptycount<10) /* [HGM] can be >= 10 */
16111 *p++ = '0' + emptycount;
16112 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16115 if(PieceToChar(piece) == '+') {
16116 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16118 piece = (ChessSquare)(DEMOTED piece);
16120 *p++ = PieceToChar(piece);
16122 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16123 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16128 if (emptycount > 0) {
16129 if(emptycount<10) /* [HGM] can be >= 10 */
16130 *p++ = '0' + emptycount;
16131 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16138 /* [HGM] print Crazyhouse or Shogi holdings */
16139 if( gameInfo.holdingsWidth ) {
16140 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16142 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16143 piece = boards[move][i][BOARD_WIDTH-1];
16144 if( piece != EmptySquare )
16145 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16146 *p++ = PieceToChar(piece);
16148 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16149 piece = boards[move][BOARD_HEIGHT-i-1][0];
16150 if( piece != EmptySquare )
16151 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16152 *p++ = PieceToChar(piece);
16155 if( q == p ) *p++ = '-';
16161 *p++ = whiteToPlay ? 'w' : 'b';
16164 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16165 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16167 if(nrCastlingRights) {
16169 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16170 /* [HGM] write directly from rights */
16171 if(boards[move][CASTLING][2] != NoRights &&
16172 boards[move][CASTLING][0] != NoRights )
16173 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16174 if(boards[move][CASTLING][2] != NoRights &&
16175 boards[move][CASTLING][1] != NoRights )
16176 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16177 if(boards[move][CASTLING][5] != NoRights &&
16178 boards[move][CASTLING][3] != NoRights )
16179 *p++ = boards[move][CASTLING][3] + AAA;
16180 if(boards[move][CASTLING][5] != NoRights &&
16181 boards[move][CASTLING][4] != NoRights )
16182 *p++ = boards[move][CASTLING][4] + AAA;
16185 /* [HGM] write true castling rights */
16186 if( nrCastlingRights == 6 ) {
16187 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16188 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16189 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16190 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16191 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16192 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16193 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16194 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16197 if (q == p) *p++ = '-'; /* No castling rights */
16201 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16202 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16203 /* En passant target square */
16204 if (move > backwardMostMove) {
16205 fromX = moveList[move - 1][0] - AAA;
16206 fromY = moveList[move - 1][1] - ONE;
16207 toX = moveList[move - 1][2] - AAA;
16208 toY = moveList[move - 1][3] - ONE;
16209 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16210 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16211 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16213 /* 2-square pawn move just happened */
16215 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16219 } else if(move == backwardMostMove) {
16220 // [HGM] perhaps we should always do it like this, and forget the above?
16221 if((signed char)boards[move][EP_STATUS] >= 0) {
16222 *p++ = boards[move][EP_STATUS] + AAA;
16223 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16234 /* [HGM] find reversible plies */
16235 { int i = 0, j=move;
16237 if (appData.debugMode) { int k;
16238 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16239 for(k=backwardMostMove; k<=forwardMostMove; k++)
16240 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16244 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16245 if( j == backwardMostMove ) i += initialRulePlies;
16246 sprintf(p, "%d ", i);
16247 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16249 /* Fullmove number */
16250 sprintf(p, "%d", (move / 2) + 1);
16252 return StrSave(buf);
16256 ParseFEN(board, blackPlaysFirst, fen)
16258 int *blackPlaysFirst;
16268 /* [HGM] by default clear Crazyhouse holdings, if present */
16269 if(gameInfo.holdingsWidth) {
16270 for(i=0; i<BOARD_HEIGHT; i++) {
16271 board[i][0] = EmptySquare; /* black holdings */
16272 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16273 board[i][1] = (ChessSquare) 0; /* black counts */
16274 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16278 /* Piece placement data */
16279 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16282 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16283 if (*p == '/') p++;
16284 emptycount = gameInfo.boardWidth - j;
16285 while (emptycount--)
16286 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16288 #if(BOARD_FILES >= 10)
16289 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16290 p++; emptycount=10;
16291 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16292 while (emptycount--)
16293 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16295 } else if (isdigit(*p)) {
16296 emptycount = *p++ - '0';
16297 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16298 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16299 while (emptycount--)
16300 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16301 } else if (*p == '+' || isalpha(*p)) {
16302 if (j >= gameInfo.boardWidth) return FALSE;
16304 piece = CharToPiece(*++p);
16305 if(piece == EmptySquare) return FALSE; /* unknown piece */
16306 piece = (ChessSquare) (PROMOTED piece ); p++;
16307 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16308 } else piece = CharToPiece(*p++);
16310 if(piece==EmptySquare) return FALSE; /* unknown piece */
16311 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16312 piece = (ChessSquare) (PROMOTED piece);
16313 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16316 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16322 while (*p == '/' || *p == ' ') p++;
16324 /* [HGM] look for Crazyhouse holdings here */
16325 while(*p==' ') p++;
16326 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16328 if(*p == '-' ) p++; /* empty holdings */ else {
16329 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16330 /* if we would allow FEN reading to set board size, we would */
16331 /* have to add holdings and shift the board read so far here */
16332 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16334 if((int) piece >= (int) BlackPawn ) {
16335 i = (int)piece - (int)BlackPawn;
16336 i = PieceToNumber((ChessSquare)i);
16337 if( i >= gameInfo.holdingsSize ) return FALSE;
16338 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16339 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16341 i = (int)piece - (int)WhitePawn;
16342 i = PieceToNumber((ChessSquare)i);
16343 if( i >= gameInfo.holdingsSize ) return FALSE;
16344 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16345 board[i][BOARD_WIDTH-2]++; /* black holdings */
16352 while(*p == ' ') p++;
16356 if(appData.colorNickNames) {
16357 if( c == appData.colorNickNames[0] ) c = 'w'; else
16358 if( c == appData.colorNickNames[1] ) c = 'b';
16362 *blackPlaysFirst = FALSE;
16365 *blackPlaysFirst = TRUE;
16371 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16372 /* return the extra info in global variiables */
16374 /* set defaults in case FEN is incomplete */
16375 board[EP_STATUS] = EP_UNKNOWN;
16376 for(i=0; i<nrCastlingRights; i++ ) {
16377 board[CASTLING][i] =
16378 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16379 } /* assume possible unless obviously impossible */
16380 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16381 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16382 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16383 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16384 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16385 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16386 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16387 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16390 while(*p==' ') p++;
16391 if(nrCastlingRights) {
16392 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16393 /* castling indicator present, so default becomes no castlings */
16394 for(i=0; i<nrCastlingRights; i++ ) {
16395 board[CASTLING][i] = NoRights;
16398 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16399 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16400 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16401 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16402 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16404 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16405 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16406 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16408 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16409 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16410 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16411 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16412 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16413 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16416 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16417 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16418 board[CASTLING][2] = whiteKingFile;
16421 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16422 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16423 board[CASTLING][2] = whiteKingFile;
16426 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16427 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16428 board[CASTLING][5] = blackKingFile;
16431 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16432 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16433 board[CASTLING][5] = blackKingFile;
16436 default: /* FRC castlings */
16437 if(c >= 'a') { /* black rights */
16438 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16439 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16440 if(i == BOARD_RGHT) break;
16441 board[CASTLING][5] = i;
16443 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16444 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16446 board[CASTLING][3] = c;
16448 board[CASTLING][4] = c;
16449 } else { /* white rights */
16450 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16451 if(board[0][i] == WhiteKing) break;
16452 if(i == BOARD_RGHT) break;
16453 board[CASTLING][2] = i;
16454 c -= AAA - 'a' + 'A';
16455 if(board[0][c] >= WhiteKing) break;
16457 board[CASTLING][0] = c;
16459 board[CASTLING][1] = c;
16463 for(i=0; i<nrCastlingRights; i++)
16464 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16465 if (appData.debugMode) {
16466 fprintf(debugFP, "FEN castling rights:");
16467 for(i=0; i<nrCastlingRights; i++)
16468 fprintf(debugFP, " %d", board[CASTLING][i]);
16469 fprintf(debugFP, "\n");
16472 while(*p==' ') p++;
16475 /* read e.p. field in games that know e.p. capture */
16476 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16477 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16479 p++; board[EP_STATUS] = EP_NONE;
16481 char c = *p++ - AAA;
16483 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16484 if(*p >= '0' && *p <='9') p++;
16485 board[EP_STATUS] = c;
16490 if(sscanf(p, "%d", &i) == 1) {
16491 FENrulePlies = i; /* 50-move ply counter */
16492 /* (The move number is still ignored) */
16499 EditPositionPasteFEN(char *fen)
16502 Board initial_position;
16504 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16505 DisplayError(_("Bad FEN position in clipboard"), 0);
16508 int savedBlackPlaysFirst = blackPlaysFirst;
16509 EditPositionEvent();
16510 blackPlaysFirst = savedBlackPlaysFirst;
16511 CopyBoard(boards[0], initial_position);
16512 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16513 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16514 DisplayBothClocks();
16515 DrawPosition(FALSE, boards[currentMove]);
16520 static char cseq[12] = "\\ ";
16522 Boolean set_cont_sequence(char *new_seq)
16527 // handle bad attempts to set the sequence
16529 return 0; // acceptable error - no debug
16531 len = strlen(new_seq);
16532 ret = (len > 0) && (len < sizeof(cseq));
16534 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16535 else if (appData.debugMode)
16536 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16541 reformat a source message so words don't cross the width boundary. internal
16542 newlines are not removed. returns the wrapped size (no null character unless
16543 included in source message). If dest is NULL, only calculate the size required
16544 for the dest buffer. lp argument indicats line position upon entry, and it's
16545 passed back upon exit.
16547 int wrap(char *dest, char *src, int count, int width, int *lp)
16549 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16551 cseq_len = strlen(cseq);
16552 old_line = line = *lp;
16553 ansi = len = clen = 0;
16555 for (i=0; i < count; i++)
16557 if (src[i] == '\033')
16560 // if we hit the width, back up
16561 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16563 // store i & len in case the word is too long
16564 old_i = i, old_len = len;
16566 // find the end of the last word
16567 while (i && src[i] != ' ' && src[i] != '\n')
16573 // word too long? restore i & len before splitting it
16574 if ((old_i-i+clen) >= width)
16581 if (i && src[i-1] == ' ')
16584 if (src[i] != ' ' && src[i] != '\n')
16591 // now append the newline and continuation sequence
16596 strncpy(dest+len, cseq, cseq_len);
16604 dest[len] = src[i];
16608 if (src[i] == '\n')
16613 if (dest && appData.debugMode)
16615 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16616 count, width, line, len, *lp);
16617 show_bytes(debugFP, src, count);
16618 fprintf(debugFP, "\ndest: ");
16619 show_bytes(debugFP, dest, len);
16620 fprintf(debugFP, "\n");
16622 *lp = dest ? line : old_line;
16627 // [HGM] vari: routines for shelving variations
16628 Boolean modeRestore = FALSE;
16631 PushInner(int firstMove, int lastMove)
16633 int i, j, nrMoves = lastMove - firstMove;
16635 // push current tail of game on stack
16636 savedResult[storedGames] = gameInfo.result;
16637 savedDetails[storedGames] = gameInfo.resultDetails;
16638 gameInfo.resultDetails = NULL;
16639 savedFirst[storedGames] = firstMove;
16640 savedLast [storedGames] = lastMove;
16641 savedFramePtr[storedGames] = framePtr;
16642 framePtr -= nrMoves; // reserve space for the boards
16643 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16644 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16645 for(j=0; j<MOVE_LEN; j++)
16646 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16647 for(j=0; j<2*MOVE_LEN; j++)
16648 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16649 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16650 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16651 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16652 pvInfoList[firstMove+i-1].depth = 0;
16653 commentList[framePtr+i] = commentList[firstMove+i];
16654 commentList[firstMove+i] = NULL;
16658 forwardMostMove = firstMove; // truncate game so we can start variation
16662 PushTail(int firstMove, int lastMove)
16664 if(appData.icsActive) { // only in local mode
16665 forwardMostMove = currentMove; // mimic old ICS behavior
16668 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16670 PushInner(firstMove, lastMove);
16671 if(storedGames == 1) GreyRevert(FALSE);
16672 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16676 PopInner(Boolean annotate)
16679 char buf[8000], moveBuf[20];
16681 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16682 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16683 nrMoves = savedLast[storedGames] - currentMove;
16686 if(!WhiteOnMove(currentMove))
16687 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16688 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16689 for(i=currentMove; i<forwardMostMove; i++) {
16691 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16692 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16693 strcat(buf, moveBuf);
16694 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16695 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16699 for(i=1; i<=nrMoves; i++) { // copy last variation back
16700 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16701 for(j=0; j<MOVE_LEN; j++)
16702 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16703 for(j=0; j<2*MOVE_LEN; j++)
16704 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16705 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16706 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16707 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16708 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16709 commentList[currentMove+i] = commentList[framePtr+i];
16710 commentList[framePtr+i] = NULL;
16712 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16713 framePtr = savedFramePtr[storedGames];
16714 gameInfo.result = savedResult[storedGames];
16715 if(gameInfo.resultDetails != NULL) {
16716 free(gameInfo.resultDetails);
16718 gameInfo.resultDetails = savedDetails[storedGames];
16719 forwardMostMove = currentMove + nrMoves;
16723 PopTail(Boolean annotate)
16725 if(appData.icsActive) return FALSE; // only in local mode
16726 if(!storedGames) return FALSE; // sanity
16727 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16729 PopInner(annotate);
16730 if(currentMove < forwardMostMove) ForwardEvent(); else
16731 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16733 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16739 { // remove all shelved variations
16741 for(i=0; i<storedGames; i++) {
16742 if(savedDetails[i])
16743 free(savedDetails[i]);
16744 savedDetails[i] = NULL;
16746 for(i=framePtr; i<MAX_MOVES; i++) {
16747 if(commentList[i]) free(commentList[i]);
16748 commentList[i] = NULL;
16750 framePtr = MAX_MOVES-1;
16755 LoadVariation(int index, char *text)
16756 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16757 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16758 int level = 0, move;
16760 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16761 // first find outermost bracketing variation
16762 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16763 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16764 if(*p == '{') wait = '}'; else
16765 if(*p == '[') wait = ']'; else
16766 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16767 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16769 if(*p == wait) wait = NULLCHAR; // closing ]} found
16772 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16773 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16774 end[1] = NULLCHAR; // clip off comment beyond variation
16775 ToNrEvent(currentMove-1);
16776 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16777 // kludge: use ParsePV() to append variation to game
16778 move = currentMove;
16779 ParsePV(start, TRUE, TRUE);
16780 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16781 ClearPremoveHighlights();
16783 ToNrEvent(currentMove+1);