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));
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 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
987 programStats.ok_to_send = 1;
988 programStats.seen_stat = 0;
991 * Initialize game list
997 * Internet chess server status
999 if (appData.icsActive) {
1000 appData.matchMode = FALSE;
1001 appData.matchGames = 0;
1003 appData.noChessProgram = !appData.zippyPlay;
1005 appData.zippyPlay = FALSE;
1006 appData.zippyTalk = FALSE;
1007 appData.noChessProgram = TRUE;
1009 if (*appData.icsHelper != NULLCHAR) {
1010 appData.useTelnet = TRUE;
1011 appData.telnetProgram = appData.icsHelper;
1014 appData.zippyTalk = appData.zippyPlay = FALSE;
1017 /* [AS] Initialize pv info list [HGM] and game state */
1021 for( i=0; i<=framePtr; i++ ) {
1022 pvInfoList[i].depth = -1;
1023 boards[i][EP_STATUS] = EP_NONE;
1024 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1030 /* [AS] Adjudication threshold */
1031 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1033 InitEngine(&first, 0);
1034 InitEngine(&second, 1);
1037 pairing.which = "pairing"; // pairing engine
1038 pairing.pr = NoProc;
1040 pairing.program = appData.pairingEngine;
1041 pairing.host = "localhost";
1044 if (appData.icsActive) {
1045 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1046 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1047 appData.clockMode = FALSE;
1048 first.sendTime = second.sendTime = 0;
1052 /* Override some settings from environment variables, for backward
1053 compatibility. Unfortunately it's not feasible to have the env
1054 vars just set defaults, at least in xboard. Ugh.
1056 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1061 if (!appData.icsActive) {
1065 /* Check for variants that are supported only in ICS mode,
1066 or not at all. Some that are accepted here nevertheless
1067 have bugs; see comments below.
1069 VariantClass variant = StringToVariant(appData.variant);
1071 case VariantBughouse: /* need four players and two boards */
1072 case VariantKriegspiel: /* need to hide pieces and move details */
1073 /* case VariantFischeRandom: (Fabien: moved below) */
1074 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1075 if( (len > MSG_SIZ) && appData.debugMode )
1076 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1078 DisplayFatalError(buf, 0, 2);
1081 case VariantUnknown:
1082 case VariantLoadable:
1092 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1093 if( (len > MSG_SIZ) && appData.debugMode )
1094 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1096 DisplayFatalError(buf, 0, 2);
1099 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1100 case VariantFairy: /* [HGM] TestLegality definitely off! */
1101 case VariantGothic: /* [HGM] should work */
1102 case VariantCapablanca: /* [HGM] should work */
1103 case VariantCourier: /* [HGM] initial forced moves not implemented */
1104 case VariantShogi: /* [HGM] could still mate with pawn drop */
1105 case VariantKnightmate: /* [HGM] should work */
1106 case VariantCylinder: /* [HGM] untested */
1107 case VariantFalcon: /* [HGM] untested */
1108 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1109 offboard interposition not understood */
1110 case VariantNormal: /* definitely works! */
1111 case VariantWildCastle: /* pieces not automatically shuffled */
1112 case VariantNoCastle: /* pieces not automatically shuffled */
1113 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1114 case VariantLosers: /* should work except for win condition,
1115 and doesn't know captures are mandatory */
1116 case VariantSuicide: /* should work except for win condition,
1117 and doesn't know captures are mandatory */
1118 case VariantGiveaway: /* should work except for win condition,
1119 and doesn't know captures are mandatory */
1120 case VariantTwoKings: /* should work */
1121 case VariantAtomic: /* should work except for win condition */
1122 case Variant3Check: /* should work except for win condition */
1123 case VariantShatranj: /* should work except for all win conditions */
1124 case VariantMakruk: /* should work except for draw countdown */
1125 case VariantBerolina: /* might work if TestLegality is off */
1126 case VariantCapaRandom: /* should work */
1127 case VariantJanus: /* should work */
1128 case VariantSuper: /* experimental */
1129 case VariantGreat: /* experimental, requires legality testing to be off */
1130 case VariantSChess: /* S-Chess, should work */
1131 case VariantGrand: /* should work */
1132 case VariantSpartan: /* should work */
1139 int NextIntegerFromString( char ** str, long * value )
1144 while( *s == ' ' || *s == '\t' ) {
1150 if( *s >= '0' && *s <= '9' ) {
1151 while( *s >= '0' && *s <= '9' ) {
1152 *value = *value * 10 + (*s - '0');
1164 int NextTimeControlFromString( char ** str, long * value )
1167 int result = NextIntegerFromString( str, &temp );
1170 *value = temp * 60; /* Minutes */
1171 if( **str == ':' ) {
1173 result = NextIntegerFromString( str, &temp );
1174 *value += temp; /* Seconds */
1181 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1182 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1183 int result = -1, type = 0; long temp, temp2;
1185 if(**str != ':') return -1; // old params remain in force!
1187 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1188 if( NextIntegerFromString( str, &temp ) ) return -1;
1189 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1192 /* time only: incremental or sudden-death time control */
1193 if(**str == '+') { /* increment follows; read it */
1195 if(**str == '!') type = *(*str)++; // Bronstein TC
1196 if(result = NextIntegerFromString( str, &temp2)) return -1;
1197 *inc = temp2 * 1000;
1198 if(**str == '.') { // read fraction of increment
1199 char *start = ++(*str);
1200 if(result = NextIntegerFromString( str, &temp2)) return -1;
1202 while(start++ < *str) temp2 /= 10;
1206 *moves = 0; *tc = temp * 1000; *incType = type;
1210 (*str)++; /* classical time control */
1211 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1222 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1223 { /* [HGM] get time to add from the multi-session time-control string */
1224 int incType, moves=1; /* kludge to force reading of first session */
1225 long time, increment;
1228 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1229 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1231 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1232 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1233 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1234 if(movenr == -1) return time; /* last move before new session */
1235 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1236 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1237 if(!moves) return increment; /* current session is incremental */
1238 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1239 } while(movenr >= -1); /* try again for next session */
1241 return 0; // no new time quota on this move
1245 ParseTimeControl(tc, ti, mps)
1252 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1255 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1256 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1257 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1261 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1263 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1266 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1268 snprintf(buf, MSG_SIZ, ":%s", mytc);
1270 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1272 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1277 /* Parse second time control */
1280 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1288 timeControl_2 = tc2 * 1000;
1298 timeControl = tc1 * 1000;
1301 timeIncrement = ti * 1000; /* convert to ms */
1302 movesPerSession = 0;
1305 movesPerSession = mps;
1313 if (appData.debugMode) {
1314 fprintf(debugFP, "%s\n", programVersion);
1317 set_cont_sequence(appData.wrapContSeq);
1318 if (appData.matchGames > 0) {
1319 appData.matchMode = TRUE;
1320 } else if (appData.matchMode) {
1321 appData.matchGames = 1;
1323 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1324 appData.matchGames = appData.sameColorGames;
1325 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1326 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1327 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1330 if (appData.noChessProgram || first.protocolVersion == 1) {
1333 /* kludge: allow timeout for initial "feature" commands */
1335 DisplayMessage("", _("Starting chess program"));
1336 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1341 CalculateIndex(int index, int gameNr)
1342 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1344 if(index > 0) return index; // fixed nmber
1345 if(index == 0) return 1;
1346 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1347 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1352 LoadGameOrPosition(int gameNr)
1353 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1354 if (*appData.loadGameFile != NULLCHAR) {
1355 if (!LoadGameFromFile(appData.loadGameFile,
1356 CalculateIndex(appData.loadGameIndex, gameNr),
1357 appData.loadGameFile, FALSE)) {
1358 DisplayFatalError(_("Bad game file"), 0, 1);
1361 } else if (*appData.loadPositionFile != NULLCHAR) {
1362 if (!LoadPositionFromFile(appData.loadPositionFile,
1363 CalculateIndex(appData.loadPositionIndex, gameNr),
1364 appData.loadPositionFile)) {
1365 DisplayFatalError(_("Bad position file"), 0, 1);
1373 ReserveGame(int gameNr, char resChar)
1375 FILE *tf = fopen(appData.tourneyFile, "r+");
1376 char *p, *q, c, buf[MSG_SIZ];
1377 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1378 safeStrCpy(buf, lastMsg, MSG_SIZ);
1379 DisplayMessage(_("Pick new game"), "");
1380 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1381 ParseArgsFromFile(tf);
1382 p = q = appData.results;
1383 if(appData.debugMode) {
1384 char *r = appData.participants;
1385 fprintf(debugFP, "results = '%s'\n", p);
1386 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1387 fprintf(debugFP, "\n");
1389 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1391 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1392 safeStrCpy(q, p, strlen(p) + 2);
1393 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1394 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1395 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1396 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1399 fseek(tf, -(strlen(p)+4), SEEK_END);
1401 if(c != '"') // depending on DOS or Unix line endings we can be one off
1402 fseek(tf, -(strlen(p)+2), SEEK_END);
1403 else fseek(tf, -(strlen(p)+3), SEEK_END);
1404 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1405 DisplayMessage(buf, "");
1406 free(p); appData.results = q;
1407 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1408 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1409 UnloadEngine(&first); // next game belongs to other pairing;
1410 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1415 MatchEvent(int mode)
1416 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1418 if(matchMode) { // already in match mode: switch it off
1420 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1423 // if(gameMode != BeginningOfGame) {
1424 // DisplayError(_("You can only start a match from the initial position."), 0);
1428 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1429 /* Set up machine vs. machine match */
1431 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1432 if(appData.tourneyFile[0]) {
1434 if(nextGame > appData.matchGames) {
1436 if(strchr(appData.results, '*') == NULL) {
1438 appData.tourneyCycles++;
1439 if(f = WriteTourneyFile(appData.results)) { // make a tourney file with increased number of cycles
1441 NextTourneyGame(-1, &dummy);
1443 if(nextGame <= appData.matchGames) {
1444 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1446 ScheduleDelayedEvent(NextMatchGame, 10000);
1451 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1452 DisplayError(buf, 0);
1453 appData.tourneyFile[0] = 0;
1457 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1458 DisplayFatalError(_("Can't have a match with no chess programs"),
1463 matchGame = roundNr = 1;
1464 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1469 InitBackEnd3 P((void))
1471 GameMode initialMode;
1475 InitChessProgram(&first, startedFromSetupPosition);
1477 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1478 free(programVersion);
1479 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1480 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1483 if (appData.icsActive) {
1485 /* [DM] Make a console window if needed [HGM] merged ifs */
1491 if (*appData.icsCommPort != NULLCHAR)
1492 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1493 appData.icsCommPort);
1495 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1496 appData.icsHost, appData.icsPort);
1498 if( (len > MSG_SIZ) && appData.debugMode )
1499 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1501 DisplayFatalError(buf, err, 1);
1506 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1508 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1509 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1510 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1511 } else if (appData.noChessProgram) {
1517 if (*appData.cmailGameName != NULLCHAR) {
1519 OpenLoopback(&cmailPR);
1521 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1525 DisplayMessage("", "");
1526 if (StrCaseCmp(appData.initialMode, "") == 0) {
1527 initialMode = BeginningOfGame;
1528 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1529 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1530 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1531 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1534 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1535 initialMode = TwoMachinesPlay;
1536 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1537 initialMode = AnalyzeFile;
1538 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1539 initialMode = AnalyzeMode;
1540 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1541 initialMode = MachinePlaysWhite;
1542 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1543 initialMode = MachinePlaysBlack;
1544 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1545 initialMode = EditGame;
1546 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1547 initialMode = EditPosition;
1548 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1549 initialMode = Training;
1551 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1552 if( (len > MSG_SIZ) && appData.debugMode )
1553 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1555 DisplayFatalError(buf, 0, 2);
1559 if (appData.matchMode) {
1560 if(appData.tourneyFile[0]) { // start tourney from command line
1562 if(f = fopen(appData.tourneyFile, "r")) {
1563 ParseArgsFromFile(f); // make sure tourney parmeters re known
1565 appData.clockMode = TRUE;
1567 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1570 } else if (*appData.cmailGameName != NULLCHAR) {
1571 /* Set up cmail mode */
1572 ReloadCmailMsgEvent(TRUE);
1574 /* Set up other modes */
1575 if (initialMode == AnalyzeFile) {
1576 if (*appData.loadGameFile == NULLCHAR) {
1577 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1581 if (*appData.loadGameFile != NULLCHAR) {
1582 (void) LoadGameFromFile(appData.loadGameFile,
1583 appData.loadGameIndex,
1584 appData.loadGameFile, TRUE);
1585 } else if (*appData.loadPositionFile != NULLCHAR) {
1586 (void) LoadPositionFromFile(appData.loadPositionFile,
1587 appData.loadPositionIndex,
1588 appData.loadPositionFile);
1589 /* [HGM] try to make self-starting even after FEN load */
1590 /* to allow automatic setup of fairy variants with wtm */
1591 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1592 gameMode = BeginningOfGame;
1593 setboardSpoiledMachineBlack = 1;
1595 /* [HGM] loadPos: make that every new game uses the setup */
1596 /* from file as long as we do not switch variant */
1597 if(!blackPlaysFirst) {
1598 startedFromPositionFile = TRUE;
1599 CopyBoard(filePosition, boards[0]);
1602 if (initialMode == AnalyzeMode) {
1603 if (appData.noChessProgram) {
1604 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1607 if (appData.icsActive) {
1608 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1612 } else if (initialMode == AnalyzeFile) {
1613 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1614 ShowThinkingEvent();
1616 AnalysisPeriodicEvent(1);
1617 } else if (initialMode == MachinePlaysWhite) {
1618 if (appData.noChessProgram) {
1619 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1623 if (appData.icsActive) {
1624 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1628 MachineWhiteEvent();
1629 } else if (initialMode == MachinePlaysBlack) {
1630 if (appData.noChessProgram) {
1631 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1635 if (appData.icsActive) {
1636 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1640 MachineBlackEvent();
1641 } else if (initialMode == TwoMachinesPlay) {
1642 if (appData.noChessProgram) {
1643 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1647 if (appData.icsActive) {
1648 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1653 } else if (initialMode == EditGame) {
1655 } else if (initialMode == EditPosition) {
1656 EditPositionEvent();
1657 } else if (initialMode == Training) {
1658 if (*appData.loadGameFile == NULLCHAR) {
1659 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1668 * Establish will establish a contact to a remote host.port.
1669 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1670 * used to talk to the host.
1671 * Returns 0 if okay, error code if not.
1678 if (*appData.icsCommPort != NULLCHAR) {
1679 /* Talk to the host through a serial comm port */
1680 return OpenCommPort(appData.icsCommPort, &icsPR);
1682 } else if (*appData.gateway != NULLCHAR) {
1683 if (*appData.remoteShell == NULLCHAR) {
1684 /* Use the rcmd protocol to run telnet program on a gateway host */
1685 snprintf(buf, sizeof(buf), "%s %s %s",
1686 appData.telnetProgram, appData.icsHost, appData.icsPort);
1687 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1690 /* Use the rsh program to run telnet program on a gateway host */
1691 if (*appData.remoteUser == NULLCHAR) {
1692 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1693 appData.gateway, appData.telnetProgram,
1694 appData.icsHost, appData.icsPort);
1696 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1697 appData.remoteShell, appData.gateway,
1698 appData.remoteUser, appData.telnetProgram,
1699 appData.icsHost, appData.icsPort);
1701 return StartChildProcess(buf, "", &icsPR);
1704 } else if (appData.useTelnet) {
1705 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1708 /* TCP socket interface differs somewhat between
1709 Unix and NT; handle details in the front end.
1711 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1715 void EscapeExpand(char *p, char *q)
1716 { // [HGM] initstring: routine to shape up string arguments
1717 while(*p++ = *q++) if(p[-1] == '\\')
1719 case 'n': p[-1] = '\n'; break;
1720 case 'r': p[-1] = '\r'; break;
1721 case 't': p[-1] = '\t'; break;
1722 case '\\': p[-1] = '\\'; break;
1723 case 0: *p = 0; return;
1724 default: p[-1] = q[-1]; break;
1729 show_bytes(fp, buf, count)
1735 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1736 fprintf(fp, "\\%03o", *buf & 0xff);
1745 /* Returns an errno value */
1747 OutputMaybeTelnet(pr, message, count, outError)
1753 char buf[8192], *p, *q, *buflim;
1754 int left, newcount, outcount;
1756 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1757 *appData.gateway != NULLCHAR) {
1758 if (appData.debugMode) {
1759 fprintf(debugFP, ">ICS: ");
1760 show_bytes(debugFP, message, count);
1761 fprintf(debugFP, "\n");
1763 return OutputToProcess(pr, message, count, outError);
1766 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1773 if (appData.debugMode) {
1774 fprintf(debugFP, ">ICS: ");
1775 show_bytes(debugFP, buf, newcount);
1776 fprintf(debugFP, "\n");
1778 outcount = OutputToProcess(pr, buf, newcount, outError);
1779 if (outcount < newcount) return -1; /* to be sure */
1786 } else if (((unsigned char) *p) == TN_IAC) {
1787 *q++ = (char) TN_IAC;
1794 if (appData.debugMode) {
1795 fprintf(debugFP, ">ICS: ");
1796 show_bytes(debugFP, buf, newcount);
1797 fprintf(debugFP, "\n");
1799 outcount = OutputToProcess(pr, buf, newcount, outError);
1800 if (outcount < newcount) return -1; /* to be sure */
1805 read_from_player(isr, closure, message, count, error)
1812 int outError, outCount;
1813 static int gotEof = 0;
1815 /* Pass data read from player on to ICS */
1818 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1819 if (outCount < count) {
1820 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1822 } else if (count < 0) {
1823 RemoveInputSource(isr);
1824 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1825 } else if (gotEof++ > 0) {
1826 RemoveInputSource(isr);
1827 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1833 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1834 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1835 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1836 SendToICS("date\n");
1837 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1840 /* added routine for printf style output to ics */
1841 void ics_printf(char *format, ...)
1843 char buffer[MSG_SIZ];
1846 va_start(args, format);
1847 vsnprintf(buffer, sizeof(buffer), format, args);
1848 buffer[sizeof(buffer)-1] = '\0';
1857 int count, outCount, outError;
1859 if (icsPR == NULL) return;
1862 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1863 if (outCount < count) {
1864 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1868 /* This is used for sending logon scripts to the ICS. Sending
1869 without a delay causes problems when using timestamp on ICC
1870 (at least on my machine). */
1872 SendToICSDelayed(s,msdelay)
1876 int count, outCount, outError;
1878 if (icsPR == NULL) return;
1881 if (appData.debugMode) {
1882 fprintf(debugFP, ">ICS: ");
1883 show_bytes(debugFP, s, count);
1884 fprintf(debugFP, "\n");
1886 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1888 if (outCount < count) {
1889 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1894 /* Remove all highlighting escape sequences in s
1895 Also deletes any suffix starting with '('
1898 StripHighlightAndTitle(s)
1901 static char retbuf[MSG_SIZ];
1904 while (*s != NULLCHAR) {
1905 while (*s == '\033') {
1906 while (*s != NULLCHAR && !isalpha(*s)) s++;
1907 if (*s != NULLCHAR) s++;
1909 while (*s != NULLCHAR && *s != '\033') {
1910 if (*s == '(' || *s == '[') {
1921 /* Remove all highlighting escape sequences in s */
1926 static char retbuf[MSG_SIZ];
1929 while (*s != NULLCHAR) {
1930 while (*s == '\033') {
1931 while (*s != NULLCHAR && !isalpha(*s)) s++;
1932 if (*s != NULLCHAR) s++;
1934 while (*s != NULLCHAR && *s != '\033') {
1942 char *variantNames[] = VARIANT_NAMES;
1947 return variantNames[v];
1951 /* Identify a variant from the strings the chess servers use or the
1952 PGN Variant tag names we use. */
1959 VariantClass v = VariantNormal;
1960 int i, found = FALSE;
1966 /* [HGM] skip over optional board-size prefixes */
1967 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1968 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1969 while( *e++ != '_');
1972 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1976 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1977 if (StrCaseStr(e, variantNames[i])) {
1978 v = (VariantClass) i;
1985 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1986 || StrCaseStr(e, "wild/fr")
1987 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1988 v = VariantFischeRandom;
1989 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1990 (i = 1, p = StrCaseStr(e, "w"))) {
1992 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1999 case 0: /* FICS only, actually */
2001 /* Castling legal even if K starts on d-file */
2002 v = VariantWildCastle;
2007 /* Castling illegal even if K & R happen to start in
2008 normal positions. */
2009 v = VariantNoCastle;
2022 /* Castling legal iff K & R start in normal positions */
2028 /* Special wilds for position setup; unclear what to do here */
2029 v = VariantLoadable;
2032 /* Bizarre ICC game */
2033 v = VariantTwoKings;
2036 v = VariantKriegspiel;
2042 v = VariantFischeRandom;
2045 v = VariantCrazyhouse;
2048 v = VariantBughouse;
2054 /* Not quite the same as FICS suicide! */
2055 v = VariantGiveaway;
2061 v = VariantShatranj;
2064 /* Temporary names for future ICC types. The name *will* change in
2065 the next xboard/WinBoard release after ICC defines it. */
2103 v = VariantCapablanca;
2106 v = VariantKnightmate;
2112 v = VariantCylinder;
2118 v = VariantCapaRandom;
2121 v = VariantBerolina;
2133 /* Found "wild" or "w" in the string but no number;
2134 must assume it's normal chess. */
2138 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2139 if( (len > MSG_SIZ) && appData.debugMode )
2140 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2142 DisplayError(buf, 0);
2148 if (appData.debugMode) {
2149 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2150 e, wnum, VariantName(v));
2155 static int leftover_start = 0, leftover_len = 0;
2156 char star_match[STAR_MATCH_N][MSG_SIZ];
2158 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2159 advance *index beyond it, and set leftover_start to the new value of
2160 *index; else return FALSE. If pattern contains the character '*', it
2161 matches any sequence of characters not containing '\r', '\n', or the
2162 character following the '*' (if any), and the matched sequence(s) are
2163 copied into star_match.
2166 looking_at(buf, index, pattern)
2171 char *bufp = &buf[*index], *patternp = pattern;
2173 char *matchp = star_match[0];
2176 if (*patternp == NULLCHAR) {
2177 *index = leftover_start = bufp - buf;
2181 if (*bufp == NULLCHAR) return FALSE;
2182 if (*patternp == '*') {
2183 if (*bufp == *(patternp + 1)) {
2185 matchp = star_match[++star_count];
2189 } else if (*bufp == '\n' || *bufp == '\r') {
2191 if (*patternp == NULLCHAR)
2196 *matchp++ = *bufp++;
2200 if (*patternp != *bufp) return FALSE;
2207 SendToPlayer(data, length)
2211 int error, outCount;
2212 outCount = OutputToProcess(NoProc, data, length, &error);
2213 if (outCount < length) {
2214 DisplayFatalError(_("Error writing to display"), error, 1);
2219 PackHolding(packed, holding)
2231 switch (runlength) {
2242 sprintf(q, "%d", runlength);
2254 /* Telnet protocol requests from the front end */
2256 TelnetRequest(ddww, option)
2257 unsigned char ddww, option;
2259 unsigned char msg[3];
2260 int outCount, outError;
2262 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2264 if (appData.debugMode) {
2265 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2281 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2290 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2293 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2298 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2300 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2307 if (!appData.icsActive) return;
2308 TelnetRequest(TN_DO, TN_ECHO);
2314 if (!appData.icsActive) return;
2315 TelnetRequest(TN_DONT, TN_ECHO);
2319 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2321 /* put the holdings sent to us by the server on the board holdings area */
2322 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2326 if(gameInfo.holdingsWidth < 2) return;
2327 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2328 return; // prevent overwriting by pre-board holdings
2330 if( (int)lowestPiece >= BlackPawn ) {
2333 holdingsStartRow = BOARD_HEIGHT-1;
2336 holdingsColumn = BOARD_WIDTH-1;
2337 countsColumn = BOARD_WIDTH-2;
2338 holdingsStartRow = 0;
2342 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2343 board[i][holdingsColumn] = EmptySquare;
2344 board[i][countsColumn] = (ChessSquare) 0;
2346 while( (p=*holdings++) != NULLCHAR ) {
2347 piece = CharToPiece( ToUpper(p) );
2348 if(piece == EmptySquare) continue;
2349 /*j = (int) piece - (int) WhitePawn;*/
2350 j = PieceToNumber(piece);
2351 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2352 if(j < 0) continue; /* should not happen */
2353 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2354 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2355 board[holdingsStartRow+j*direction][countsColumn]++;
2361 VariantSwitch(Board board, VariantClass newVariant)
2363 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2364 static Board oldBoard;
2366 startedFromPositionFile = FALSE;
2367 if(gameInfo.variant == newVariant) return;
2369 /* [HGM] This routine is called each time an assignment is made to
2370 * gameInfo.variant during a game, to make sure the board sizes
2371 * are set to match the new variant. If that means adding or deleting
2372 * holdings, we shift the playing board accordingly
2373 * This kludge is needed because in ICS observe mode, we get boards
2374 * of an ongoing game without knowing the variant, and learn about the
2375 * latter only later. This can be because of the move list we requested,
2376 * in which case the game history is refilled from the beginning anyway,
2377 * but also when receiving holdings of a crazyhouse game. In the latter
2378 * case we want to add those holdings to the already received position.
2382 if (appData.debugMode) {
2383 fprintf(debugFP, "Switch board from %s to %s\n",
2384 VariantName(gameInfo.variant), VariantName(newVariant));
2385 setbuf(debugFP, NULL);
2387 shuffleOpenings = 0; /* [HGM] shuffle */
2388 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2392 newWidth = 9; newHeight = 9;
2393 gameInfo.holdingsSize = 7;
2394 case VariantBughouse:
2395 case VariantCrazyhouse:
2396 newHoldingsWidth = 2; break;
2400 newHoldingsWidth = 2;
2401 gameInfo.holdingsSize = 8;
2404 case VariantCapablanca:
2405 case VariantCapaRandom:
2408 newHoldingsWidth = gameInfo.holdingsSize = 0;
2411 if(newWidth != gameInfo.boardWidth ||
2412 newHeight != gameInfo.boardHeight ||
2413 newHoldingsWidth != gameInfo.holdingsWidth ) {
2415 /* shift position to new playing area, if needed */
2416 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2417 for(i=0; i<BOARD_HEIGHT; i++)
2418 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2419 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2421 for(i=0; i<newHeight; i++) {
2422 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2423 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2425 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2426 for(i=0; i<BOARD_HEIGHT; i++)
2427 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2428 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2431 gameInfo.boardWidth = newWidth;
2432 gameInfo.boardHeight = newHeight;
2433 gameInfo.holdingsWidth = newHoldingsWidth;
2434 gameInfo.variant = newVariant;
2435 InitDrawingSizes(-2, 0);
2436 } else gameInfo.variant = newVariant;
2437 CopyBoard(oldBoard, board); // remember correctly formatted board
2438 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2439 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2442 static int loggedOn = FALSE;
2444 /*-- Game start info cache: --*/
2446 char gs_kind[MSG_SIZ];
2447 static char player1Name[128] = "";
2448 static char player2Name[128] = "";
2449 static char cont_seq[] = "\n\\ ";
2450 static int player1Rating = -1;
2451 static int player2Rating = -1;
2452 /*----------------------------*/
2454 ColorClass curColor = ColorNormal;
2455 int suppressKibitz = 0;
2458 Boolean soughtPending = FALSE;
2459 Boolean seekGraphUp;
2460 #define MAX_SEEK_ADS 200
2462 char *seekAdList[MAX_SEEK_ADS];
2463 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2464 float tcList[MAX_SEEK_ADS];
2465 char colorList[MAX_SEEK_ADS];
2466 int nrOfSeekAds = 0;
2467 int minRating = 1010, maxRating = 2800;
2468 int hMargin = 10, vMargin = 20, h, w;
2469 extern int squareSize, lineGap;
2474 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2475 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2476 if(r < minRating+100 && r >=0 ) r = minRating+100;
2477 if(r > maxRating) r = maxRating;
2478 if(tc < 1.) tc = 1.;
2479 if(tc > 95.) tc = 95.;
2480 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2481 y = ((double)r - minRating)/(maxRating - minRating)
2482 * (h-vMargin-squareSize/8-1) + vMargin;
2483 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2484 if(strstr(seekAdList[i], " u ")) color = 1;
2485 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2486 !strstr(seekAdList[i], "bullet") &&
2487 !strstr(seekAdList[i], "blitz") &&
2488 !strstr(seekAdList[i], "standard") ) color = 2;
2489 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2490 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2494 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2496 char buf[MSG_SIZ], *ext = "";
2497 VariantClass v = StringToVariant(type);
2498 if(strstr(type, "wild")) {
2499 ext = type + 4; // append wild number
2500 if(v == VariantFischeRandom) type = "chess960"; else
2501 if(v == VariantLoadable) type = "setup"; else
2502 type = VariantName(v);
2504 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2505 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2506 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2507 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2508 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2509 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2510 seekNrList[nrOfSeekAds] = nr;
2511 zList[nrOfSeekAds] = 0;
2512 seekAdList[nrOfSeekAds++] = StrSave(buf);
2513 if(plot) PlotSeekAd(nrOfSeekAds-1);
2520 int x = xList[i], y = yList[i], d=squareSize/4, k;
2521 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2522 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2523 // now replot every dot that overlapped
2524 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2525 int xx = xList[k], yy = yList[k];
2526 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2527 DrawSeekDot(xx, yy, colorList[k]);
2532 RemoveSeekAd(int nr)
2535 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2537 if(seekAdList[i]) free(seekAdList[i]);
2538 seekAdList[i] = seekAdList[--nrOfSeekAds];
2539 seekNrList[i] = seekNrList[nrOfSeekAds];
2540 ratingList[i] = ratingList[nrOfSeekAds];
2541 colorList[i] = colorList[nrOfSeekAds];
2542 tcList[i] = tcList[nrOfSeekAds];
2543 xList[i] = xList[nrOfSeekAds];
2544 yList[i] = yList[nrOfSeekAds];
2545 zList[i] = zList[nrOfSeekAds];
2546 seekAdList[nrOfSeekAds] = NULL;
2552 MatchSoughtLine(char *line)
2554 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2555 int nr, base, inc, u=0; char dummy;
2557 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2558 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2560 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2561 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2562 // match: compact and save the line
2563 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2573 if(!seekGraphUp) return FALSE;
2574 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2575 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2577 DrawSeekBackground(0, 0, w, h);
2578 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2579 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2580 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2581 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2583 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2586 snprintf(buf, MSG_SIZ, "%d", i);
2587 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2590 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2591 for(i=1; i<100; i+=(i<10?1:5)) {
2592 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2593 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2594 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2596 snprintf(buf, MSG_SIZ, "%d", i);
2597 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2600 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2604 int SeekGraphClick(ClickType click, int x, int y, int moving)
2606 static int lastDown = 0, displayed = 0, lastSecond;
2607 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2608 if(click == Release || moving) return FALSE;
2610 soughtPending = TRUE;
2611 SendToICS(ics_prefix);
2612 SendToICS("sought\n"); // should this be "sought all"?
2613 } else { // issue challenge based on clicked ad
2614 int dist = 10000; int i, closest = 0, second = 0;
2615 for(i=0; i<nrOfSeekAds; i++) {
2616 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2617 if(d < dist) { dist = d; closest = i; }
2618 second += (d - zList[i] < 120); // count in-range ads
2619 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2623 second = (second > 1);
2624 if(displayed != closest || second != lastSecond) {
2625 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2626 lastSecond = second; displayed = closest;
2628 if(click == Press) {
2629 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2632 } // on press 'hit', only show info
2633 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2634 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2635 SendToICS(ics_prefix);
2637 return TRUE; // let incoming board of started game pop down the graph
2638 } else if(click == Release) { // release 'miss' is ignored
2639 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2640 if(moving == 2) { // right up-click
2641 nrOfSeekAds = 0; // refresh graph
2642 soughtPending = TRUE;
2643 SendToICS(ics_prefix);
2644 SendToICS("sought\n"); // should this be "sought all"?
2647 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2648 // press miss or release hit 'pop down' seek graph
2649 seekGraphUp = FALSE;
2650 DrawPosition(TRUE, NULL);
2656 read_from_ics(isr, closure, data, count, error)
2663 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2664 #define STARTED_NONE 0
2665 #define STARTED_MOVES 1
2666 #define STARTED_BOARD 2
2667 #define STARTED_OBSERVE 3
2668 #define STARTED_HOLDINGS 4
2669 #define STARTED_CHATTER 5
2670 #define STARTED_COMMENT 6
2671 #define STARTED_MOVES_NOHIDE 7
2673 static int started = STARTED_NONE;
2674 static char parse[20000];
2675 static int parse_pos = 0;
2676 static char buf[BUF_SIZE + 1];
2677 static int firstTime = TRUE, intfSet = FALSE;
2678 static ColorClass prevColor = ColorNormal;
2679 static int savingComment = FALSE;
2680 static int cmatch = 0; // continuation sequence match
2687 int backup; /* [DM] For zippy color lines */
2689 char talker[MSG_SIZ]; // [HGM] chat
2692 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2694 if (appData.debugMode) {
2696 fprintf(debugFP, "<ICS: ");
2697 show_bytes(debugFP, data, count);
2698 fprintf(debugFP, "\n");
2702 if (appData.debugMode) { int f = forwardMostMove;
2703 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2704 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2705 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2708 /* If last read ended with a partial line that we couldn't parse,
2709 prepend it to the new read and try again. */
2710 if (leftover_len > 0) {
2711 for (i=0; i<leftover_len; i++)
2712 buf[i] = buf[leftover_start + i];
2715 /* copy new characters into the buffer */
2716 bp = buf + leftover_len;
2717 buf_len=leftover_len;
2718 for (i=0; i<count; i++)
2721 if (data[i] == '\r')
2724 // join lines split by ICS?
2725 if (!appData.noJoin)
2728 Joining just consists of finding matches against the
2729 continuation sequence, and discarding that sequence
2730 if found instead of copying it. So, until a match
2731 fails, there's nothing to do since it might be the
2732 complete sequence, and thus, something we don't want
2735 if (data[i] == cont_seq[cmatch])
2738 if (cmatch == strlen(cont_seq))
2740 cmatch = 0; // complete match. just reset the counter
2743 it's possible for the ICS to not include the space
2744 at the end of the last word, making our [correct]
2745 join operation fuse two separate words. the server
2746 does this when the space occurs at the width setting.
2748 if (!buf_len || buf[buf_len-1] != ' ')
2759 match failed, so we have to copy what matched before
2760 falling through and copying this character. In reality,
2761 this will only ever be just the newline character, but
2762 it doesn't hurt to be precise.
2764 strncpy(bp, cont_seq, cmatch);
2776 buf[buf_len] = NULLCHAR;
2777 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2782 while (i < buf_len) {
2783 /* Deal with part of the TELNET option negotiation
2784 protocol. We refuse to do anything beyond the
2785 defaults, except that we allow the WILL ECHO option,
2786 which ICS uses to turn off password echoing when we are
2787 directly connected to it. We reject this option
2788 if localLineEditing mode is on (always on in xboard)
2789 and we are talking to port 23, which might be a real
2790 telnet server that will try to keep WILL ECHO on permanently.
2792 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2793 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2794 unsigned char option;
2796 switch ((unsigned char) buf[++i]) {
2798 if (appData.debugMode)
2799 fprintf(debugFP, "\n<WILL ");
2800 switch (option = (unsigned char) buf[++i]) {
2802 if (appData.debugMode)
2803 fprintf(debugFP, "ECHO ");
2804 /* Reply only if this is a change, according
2805 to the protocol rules. */
2806 if (remoteEchoOption) break;
2807 if (appData.localLineEditing &&
2808 atoi(appData.icsPort) == TN_PORT) {
2809 TelnetRequest(TN_DONT, TN_ECHO);
2812 TelnetRequest(TN_DO, TN_ECHO);
2813 remoteEchoOption = TRUE;
2817 if (appData.debugMode)
2818 fprintf(debugFP, "%d ", option);
2819 /* Whatever this is, we don't want it. */
2820 TelnetRequest(TN_DONT, option);
2825 if (appData.debugMode)
2826 fprintf(debugFP, "\n<WONT ");
2827 switch (option = (unsigned char) buf[++i]) {
2829 if (appData.debugMode)
2830 fprintf(debugFP, "ECHO ");
2831 /* Reply only if this is a change, according
2832 to the protocol rules. */
2833 if (!remoteEchoOption) break;
2835 TelnetRequest(TN_DONT, TN_ECHO);
2836 remoteEchoOption = FALSE;
2839 if (appData.debugMode)
2840 fprintf(debugFP, "%d ", (unsigned char) option);
2841 /* Whatever this is, it must already be turned
2842 off, because we never agree to turn on
2843 anything non-default, so according to the
2844 protocol rules, we don't reply. */
2849 if (appData.debugMode)
2850 fprintf(debugFP, "\n<DO ");
2851 switch (option = (unsigned char) buf[++i]) {
2853 /* Whatever this is, we refuse to do it. */
2854 if (appData.debugMode)
2855 fprintf(debugFP, "%d ", option);
2856 TelnetRequest(TN_WONT, option);
2861 if (appData.debugMode)
2862 fprintf(debugFP, "\n<DONT ");
2863 switch (option = (unsigned char) buf[++i]) {
2865 if (appData.debugMode)
2866 fprintf(debugFP, "%d ", option);
2867 /* Whatever this is, we are already not doing
2868 it, because we never agree to do anything
2869 non-default, so according to the protocol
2870 rules, we don't reply. */
2875 if (appData.debugMode)
2876 fprintf(debugFP, "\n<IAC ");
2877 /* Doubled IAC; pass it through */
2881 if (appData.debugMode)
2882 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2883 /* Drop all other telnet commands on the floor */
2886 if (oldi > next_out)
2887 SendToPlayer(&buf[next_out], oldi - next_out);
2893 /* OK, this at least will *usually* work */
2894 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2898 if (loggedOn && !intfSet) {
2899 if (ics_type == ICS_ICC) {
2900 snprintf(str, MSG_SIZ,
2901 "/set-quietly interface %s\n/set-quietly style 12\n",
2903 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2904 strcat(str, "/set-2 51 1\n/set seek 1\n");
2905 } else if (ics_type == ICS_CHESSNET) {
2906 snprintf(str, MSG_SIZ, "/style 12\n");
2908 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2909 strcat(str, programVersion);
2910 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2911 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2912 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2914 strcat(str, "$iset nohighlight 1\n");
2916 strcat(str, "$iset lock 1\n$style 12\n");
2919 NotifyFrontendLogin();
2923 if (started == STARTED_COMMENT) {
2924 /* Accumulate characters in comment */
2925 parse[parse_pos++] = buf[i];
2926 if (buf[i] == '\n') {
2927 parse[parse_pos] = NULLCHAR;
2928 if(chattingPartner>=0) {
2930 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2931 OutputChatMessage(chattingPartner, mess);
2932 chattingPartner = -1;
2933 next_out = i+1; // [HGM] suppress printing in ICS window
2935 if(!suppressKibitz) // [HGM] kibitz
2936 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2937 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2938 int nrDigit = 0, nrAlph = 0, j;
2939 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2940 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2941 parse[parse_pos] = NULLCHAR;
2942 // try to be smart: if it does not look like search info, it should go to
2943 // ICS interaction window after all, not to engine-output window.
2944 for(j=0; j<parse_pos; j++) { // count letters and digits
2945 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2946 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2947 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2949 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2950 int depth=0; float score;
2951 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2952 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2953 pvInfoList[forwardMostMove-1].depth = depth;
2954 pvInfoList[forwardMostMove-1].score = 100*score;
2956 OutputKibitz(suppressKibitz, parse);
2959 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2960 SendToPlayer(tmp, strlen(tmp));
2962 next_out = i+1; // [HGM] suppress printing in ICS window
2964 started = STARTED_NONE;
2966 /* Don't match patterns against characters in comment */
2971 if (started == STARTED_CHATTER) {
2972 if (buf[i] != '\n') {
2973 /* Don't match patterns against characters in chatter */
2977 started = STARTED_NONE;
2978 if(suppressKibitz) next_out = i+1;
2981 /* Kludge to deal with rcmd protocol */
2982 if (firstTime && looking_at(buf, &i, "\001*")) {
2983 DisplayFatalError(&buf[1], 0, 1);
2989 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2992 if (appData.debugMode)
2993 fprintf(debugFP, "ics_type %d\n", ics_type);
2996 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2997 ics_type = ICS_FICS;
2999 if (appData.debugMode)
3000 fprintf(debugFP, "ics_type %d\n", ics_type);
3003 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3004 ics_type = ICS_CHESSNET;
3006 if (appData.debugMode)
3007 fprintf(debugFP, "ics_type %d\n", ics_type);
3012 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3013 looking_at(buf, &i, "Logging you in as \"*\"") ||
3014 looking_at(buf, &i, "will be \"*\""))) {
3015 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3019 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3021 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3022 DisplayIcsInteractionTitle(buf);
3023 have_set_title = TRUE;
3026 /* skip finger notes */
3027 if (started == STARTED_NONE &&
3028 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3029 (buf[i] == '1' && buf[i+1] == '0')) &&
3030 buf[i+2] == ':' && buf[i+3] == ' ') {
3031 started = STARTED_CHATTER;
3037 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3038 if(appData.seekGraph) {
3039 if(soughtPending && MatchSoughtLine(buf+i)) {
3040 i = strstr(buf+i, "rated") - buf;
3041 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3042 next_out = leftover_start = i;
3043 started = STARTED_CHATTER;
3044 suppressKibitz = TRUE;
3047 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3048 && looking_at(buf, &i, "* ads displayed")) {
3049 soughtPending = FALSE;
3054 if(appData.autoRefresh) {
3055 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3056 int s = (ics_type == ICS_ICC); // ICC format differs
3058 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3059 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3060 looking_at(buf, &i, "*% "); // eat prompt
3061 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3062 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3063 next_out = i; // suppress
3066 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3067 char *p = star_match[0];
3069 if(seekGraphUp) RemoveSeekAd(atoi(p));
3070 while(*p && *p++ != ' '); // next
3072 looking_at(buf, &i, "*% "); // eat prompt
3073 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3080 /* skip formula vars */
3081 if (started == STARTED_NONE &&
3082 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3083 started = STARTED_CHATTER;
3088 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3089 if (appData.autoKibitz && started == STARTED_NONE &&
3090 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3091 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3092 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3093 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3094 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3095 suppressKibitz = TRUE;
3096 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3098 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3099 && (gameMode == IcsPlayingWhite)) ||
3100 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3101 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3102 started = STARTED_CHATTER; // own kibitz we simply discard
3104 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3105 parse_pos = 0; parse[0] = NULLCHAR;
3106 savingComment = TRUE;
3107 suppressKibitz = gameMode != IcsObserving ? 2 :
3108 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3112 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3113 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3114 && atoi(star_match[0])) {
3115 // suppress the acknowledgements of our own autoKibitz
3117 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3118 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3119 SendToPlayer(star_match[0], strlen(star_match[0]));
3120 if(looking_at(buf, &i, "*% ")) // eat prompt
3121 suppressKibitz = FALSE;
3125 } // [HGM] kibitz: end of patch
3127 // [HGM] chat: intercept tells by users for which we have an open chat window
3129 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3130 looking_at(buf, &i, "* whispers:") ||
3131 looking_at(buf, &i, "* kibitzes:") ||
3132 looking_at(buf, &i, "* shouts:") ||
3133 looking_at(buf, &i, "* c-shouts:") ||
3134 looking_at(buf, &i, "--> * ") ||
3135 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3136 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3137 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3138 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3140 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3141 chattingPartner = -1;
3143 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3144 for(p=0; p<MAX_CHAT; p++) {
3145 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3146 talker[0] = '['; strcat(talker, "] ");
3147 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3148 chattingPartner = p; break;
3151 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3152 for(p=0; p<MAX_CHAT; p++) {
3153 if(!strcmp("kibitzes", chatPartner[p])) {
3154 talker[0] = '['; strcat(talker, "] ");
3155 chattingPartner = p; break;
3158 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3159 for(p=0; p<MAX_CHAT; p++) {
3160 if(!strcmp("whispers", chatPartner[p])) {
3161 talker[0] = '['; strcat(talker, "] ");
3162 chattingPartner = p; break;
3165 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3166 if(buf[i-8] == '-' && buf[i-3] == 't')
3167 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3168 if(!strcmp("c-shouts", chatPartner[p])) {
3169 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3170 chattingPartner = p; break;
3173 if(chattingPartner < 0)
3174 for(p=0; p<MAX_CHAT; p++) {
3175 if(!strcmp("shouts", chatPartner[p])) {
3176 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3177 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3178 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3179 chattingPartner = p; break;
3183 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3184 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3185 talker[0] = 0; Colorize(ColorTell, FALSE);
3186 chattingPartner = p; break;
3188 if(chattingPartner<0) i = oldi; else {
3189 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3190 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3191 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3192 started = STARTED_COMMENT;
3193 parse_pos = 0; parse[0] = NULLCHAR;
3194 savingComment = 3 + chattingPartner; // counts as TRUE
3195 suppressKibitz = TRUE;
3198 } // [HGM] chat: end of patch
3201 if (appData.zippyTalk || appData.zippyPlay) {
3202 /* [DM] Backup address for color zippy lines */
3204 if (loggedOn == TRUE)
3205 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3206 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3208 } // [DM] 'else { ' deleted
3210 /* Regular tells and says */
3211 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3212 looking_at(buf, &i, "* (your partner) tells you: ") ||
3213 looking_at(buf, &i, "* says: ") ||
3214 /* Don't color "message" or "messages" output */
3215 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3216 looking_at(buf, &i, "*. * at *:*: ") ||
3217 looking_at(buf, &i, "--* (*:*): ") ||
3218 /* Message notifications (same color as tells) */
3219 looking_at(buf, &i, "* has left a message ") ||
3220 looking_at(buf, &i, "* just sent you a message:\n") ||
3221 /* Whispers and kibitzes */
3222 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3223 looking_at(buf, &i, "* kibitzes: ") ||
3225 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3227 if (tkind == 1 && strchr(star_match[0], ':')) {
3228 /* Avoid "tells you:" spoofs in channels */
3231 if (star_match[0][0] == NULLCHAR ||
3232 strchr(star_match[0], ' ') ||
3233 (tkind == 3 && strchr(star_match[1], ' '))) {
3234 /* Reject bogus matches */
3237 if (appData.colorize) {
3238 if (oldi > next_out) {
3239 SendToPlayer(&buf[next_out], oldi - next_out);
3244 Colorize(ColorTell, FALSE);
3245 curColor = ColorTell;
3248 Colorize(ColorKibitz, FALSE);
3249 curColor = ColorKibitz;
3252 p = strrchr(star_match[1], '(');
3259 Colorize(ColorChannel1, FALSE);
3260 curColor = ColorChannel1;
3262 Colorize(ColorChannel, FALSE);
3263 curColor = ColorChannel;
3267 curColor = ColorNormal;
3271 if (started == STARTED_NONE && appData.autoComment &&
3272 (gameMode == IcsObserving ||
3273 gameMode == IcsPlayingWhite ||
3274 gameMode == IcsPlayingBlack)) {
3275 parse_pos = i - oldi;
3276 memcpy(parse, &buf[oldi], parse_pos);
3277 parse[parse_pos] = NULLCHAR;
3278 started = STARTED_COMMENT;
3279 savingComment = TRUE;
3281 started = STARTED_CHATTER;
3282 savingComment = FALSE;
3289 if (looking_at(buf, &i, "* s-shouts: ") ||
3290 looking_at(buf, &i, "* c-shouts: ")) {
3291 if (appData.colorize) {
3292 if (oldi > next_out) {
3293 SendToPlayer(&buf[next_out], oldi - next_out);
3296 Colorize(ColorSShout, FALSE);
3297 curColor = ColorSShout;
3300 started = STARTED_CHATTER;
3304 if (looking_at(buf, &i, "--->")) {
3309 if (looking_at(buf, &i, "* shouts: ") ||
3310 looking_at(buf, &i, "--> ")) {
3311 if (appData.colorize) {
3312 if (oldi > next_out) {
3313 SendToPlayer(&buf[next_out], oldi - next_out);
3316 Colorize(ColorShout, FALSE);
3317 curColor = ColorShout;
3320 started = STARTED_CHATTER;
3324 if (looking_at( buf, &i, "Challenge:")) {
3325 if (appData.colorize) {
3326 if (oldi > next_out) {
3327 SendToPlayer(&buf[next_out], oldi - next_out);
3330 Colorize(ColorChallenge, FALSE);
3331 curColor = ColorChallenge;
3337 if (looking_at(buf, &i, "* offers you") ||
3338 looking_at(buf, &i, "* offers to be") ||
3339 looking_at(buf, &i, "* would like to") ||
3340 looking_at(buf, &i, "* requests to") ||
3341 looking_at(buf, &i, "Your opponent offers") ||
3342 looking_at(buf, &i, "Your opponent requests")) {
3344 if (appData.colorize) {
3345 if (oldi > next_out) {
3346 SendToPlayer(&buf[next_out], oldi - next_out);
3349 Colorize(ColorRequest, FALSE);
3350 curColor = ColorRequest;
3355 if (looking_at(buf, &i, "* (*) seeking")) {
3356 if (appData.colorize) {
3357 if (oldi > next_out) {
3358 SendToPlayer(&buf[next_out], oldi - next_out);
3361 Colorize(ColorSeek, FALSE);
3362 curColor = ColorSeek;
3367 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3369 if (looking_at(buf, &i, "\\ ")) {
3370 if (prevColor != ColorNormal) {
3371 if (oldi > next_out) {
3372 SendToPlayer(&buf[next_out], oldi - next_out);
3375 Colorize(prevColor, TRUE);
3376 curColor = prevColor;
3378 if (savingComment) {
3379 parse_pos = i - oldi;
3380 memcpy(parse, &buf[oldi], parse_pos);
3381 parse[parse_pos] = NULLCHAR;
3382 started = STARTED_COMMENT;
3383 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3384 chattingPartner = savingComment - 3; // kludge to remember the box
3386 started = STARTED_CHATTER;
3391 if (looking_at(buf, &i, "Black Strength :") ||
3392 looking_at(buf, &i, "<<< style 10 board >>>") ||
3393 looking_at(buf, &i, "<10>") ||
3394 looking_at(buf, &i, "#@#")) {
3395 /* Wrong board style */
3397 SendToICS(ics_prefix);
3398 SendToICS("set style 12\n");
3399 SendToICS(ics_prefix);
3400 SendToICS("refresh\n");
3404 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3406 have_sent_ICS_logon = 1;
3410 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3411 (looking_at(buf, &i, "\n<12> ") ||
3412 looking_at(buf, &i, "<12> "))) {
3414 if (oldi > next_out) {
3415 SendToPlayer(&buf[next_out], oldi - next_out);
3418 started = STARTED_BOARD;
3423 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3424 looking_at(buf, &i, "<b1> ")) {
3425 if (oldi > next_out) {
3426 SendToPlayer(&buf[next_out], oldi - next_out);
3429 started = STARTED_HOLDINGS;
3434 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3436 /* Header for a move list -- first line */
3438 switch (ics_getting_history) {
3442 case BeginningOfGame:
3443 /* User typed "moves" or "oldmoves" while we
3444 were idle. Pretend we asked for these
3445 moves and soak them up so user can step
3446 through them and/or save them.
3449 gameMode = IcsObserving;
3452 ics_getting_history = H_GOT_UNREQ_HEADER;
3454 case EditGame: /*?*/
3455 case EditPosition: /*?*/
3456 /* Should above feature work in these modes too? */
3457 /* For now it doesn't */
3458 ics_getting_history = H_GOT_UNWANTED_HEADER;
3461 ics_getting_history = H_GOT_UNWANTED_HEADER;
3466 /* Is this the right one? */
3467 if (gameInfo.white && gameInfo.black &&
3468 strcmp(gameInfo.white, star_match[0]) == 0 &&
3469 strcmp(gameInfo.black, star_match[2]) == 0) {
3471 ics_getting_history = H_GOT_REQ_HEADER;
3474 case H_GOT_REQ_HEADER:
3475 case H_GOT_UNREQ_HEADER:
3476 case H_GOT_UNWANTED_HEADER:
3477 case H_GETTING_MOVES:
3478 /* Should not happen */
3479 DisplayError(_("Error gathering move list: two headers"), 0);
3480 ics_getting_history = H_FALSE;
3484 /* Save player ratings into gameInfo if needed */
3485 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3486 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3487 (gameInfo.whiteRating == -1 ||
3488 gameInfo.blackRating == -1)) {
3490 gameInfo.whiteRating = string_to_rating(star_match[1]);
3491 gameInfo.blackRating = string_to_rating(star_match[3]);
3492 if (appData.debugMode)
3493 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3494 gameInfo.whiteRating, gameInfo.blackRating);
3499 if (looking_at(buf, &i,
3500 "* * match, initial time: * minute*, increment: * second")) {
3501 /* Header for a move list -- second line */
3502 /* Initial board will follow if this is a wild game */
3503 if (gameInfo.event != NULL) free(gameInfo.event);
3504 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3505 gameInfo.event = StrSave(str);
3506 /* [HGM] we switched variant. Translate boards if needed. */
3507 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3511 if (looking_at(buf, &i, "Move ")) {
3512 /* Beginning of a move list */
3513 switch (ics_getting_history) {
3515 /* Normally should not happen */
3516 /* Maybe user hit reset while we were parsing */
3519 /* Happens if we are ignoring a move list that is not
3520 * the one we just requested. Common if the user
3521 * tries to observe two games without turning off
3524 case H_GETTING_MOVES:
3525 /* Should not happen */
3526 DisplayError(_("Error gathering move list: nested"), 0);
3527 ics_getting_history = H_FALSE;
3529 case H_GOT_REQ_HEADER:
3530 ics_getting_history = H_GETTING_MOVES;
3531 started = STARTED_MOVES;
3533 if (oldi > next_out) {
3534 SendToPlayer(&buf[next_out], oldi - next_out);
3537 case H_GOT_UNREQ_HEADER:
3538 ics_getting_history = H_GETTING_MOVES;
3539 started = STARTED_MOVES_NOHIDE;
3542 case H_GOT_UNWANTED_HEADER:
3543 ics_getting_history = H_FALSE;
3549 if (looking_at(buf, &i, "% ") ||
3550 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3551 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3552 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3553 soughtPending = FALSE;
3557 if(suppressKibitz) next_out = i;
3558 savingComment = FALSE;
3562 case STARTED_MOVES_NOHIDE:
3563 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3564 parse[parse_pos + i - oldi] = NULLCHAR;
3565 ParseGameHistory(parse);
3567 if (appData.zippyPlay && first.initDone) {
3568 FeedMovesToProgram(&first, forwardMostMove);
3569 if (gameMode == IcsPlayingWhite) {
3570 if (WhiteOnMove(forwardMostMove)) {
3571 if (first.sendTime) {
3572 if (first.useColors) {
3573 SendToProgram("black\n", &first);
3575 SendTimeRemaining(&first, TRUE);
3577 if (first.useColors) {
3578 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3580 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3581 first.maybeThinking = TRUE;
3583 if (first.usePlayother) {
3584 if (first.sendTime) {
3585 SendTimeRemaining(&first, TRUE);
3587 SendToProgram("playother\n", &first);
3593 } else if (gameMode == IcsPlayingBlack) {
3594 if (!WhiteOnMove(forwardMostMove)) {
3595 if (first.sendTime) {
3596 if (first.useColors) {
3597 SendToProgram("white\n", &first);
3599 SendTimeRemaining(&first, FALSE);
3601 if (first.useColors) {
3602 SendToProgram("black\n", &first);
3604 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3605 first.maybeThinking = TRUE;
3607 if (first.usePlayother) {
3608 if (first.sendTime) {
3609 SendTimeRemaining(&first, FALSE);
3611 SendToProgram("playother\n", &first);
3620 if (gameMode == IcsObserving && ics_gamenum == -1) {
3621 /* Moves came from oldmoves or moves command
3622 while we weren't doing anything else.
3624 currentMove = forwardMostMove;
3625 ClearHighlights();/*!!could figure this out*/
3626 flipView = appData.flipView;
3627 DrawPosition(TRUE, boards[currentMove]);
3628 DisplayBothClocks();
3629 snprintf(str, MSG_SIZ, "%s vs. %s",
3630 gameInfo.white, gameInfo.black);
3634 /* Moves were history of an active game */
3635 if (gameInfo.resultDetails != NULL) {
3636 free(gameInfo.resultDetails);
3637 gameInfo.resultDetails = NULL;
3640 HistorySet(parseList, backwardMostMove,
3641 forwardMostMove, currentMove-1);
3642 DisplayMove(currentMove - 1);
3643 if (started == STARTED_MOVES) next_out = i;
3644 started = STARTED_NONE;
3645 ics_getting_history = H_FALSE;
3648 case STARTED_OBSERVE:
3649 started = STARTED_NONE;
3650 SendToICS(ics_prefix);
3651 SendToICS("refresh\n");
3657 if(bookHit) { // [HGM] book: simulate book reply
3658 static char bookMove[MSG_SIZ]; // a bit generous?
3660 programStats.nodes = programStats.depth = programStats.time =
3661 programStats.score = programStats.got_only_move = 0;
3662 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3664 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3665 strcat(bookMove, bookHit);
3666 HandleMachineMove(bookMove, &first);
3671 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3672 started == STARTED_HOLDINGS ||
3673 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3674 /* Accumulate characters in move list or board */
3675 parse[parse_pos++] = buf[i];
3678 /* Start of game messages. Mostly we detect start of game
3679 when the first board image arrives. On some versions
3680 of the ICS, though, we need to do a "refresh" after starting
3681 to observe in order to get the current board right away. */
3682 if (looking_at(buf, &i, "Adding game * to observation list")) {
3683 started = STARTED_OBSERVE;
3687 /* Handle auto-observe */
3688 if (appData.autoObserve &&
3689 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3690 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3692 /* Choose the player that was highlighted, if any. */
3693 if (star_match[0][0] == '\033' ||
3694 star_match[1][0] != '\033') {
3695 player = star_match[0];
3697 player = star_match[2];
3699 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3700 ics_prefix, StripHighlightAndTitle(player));
3703 /* Save ratings from notify string */
3704 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3705 player1Rating = string_to_rating(star_match[1]);
3706 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3707 player2Rating = string_to_rating(star_match[3]);
3709 if (appData.debugMode)
3711 "Ratings from 'Game notification:' %s %d, %s %d\n",
3712 player1Name, player1Rating,
3713 player2Name, player2Rating);
3718 /* Deal with automatic examine mode after a game,
3719 and with IcsObserving -> IcsExamining transition */
3720 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3721 looking_at(buf, &i, "has made you an examiner of game *")) {
3723 int gamenum = atoi(star_match[0]);
3724 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3725 gamenum == ics_gamenum) {
3726 /* We were already playing or observing this game;
3727 no need to refetch history */
3728 gameMode = IcsExamining;
3730 pauseExamForwardMostMove = forwardMostMove;
3731 } else if (currentMove < forwardMostMove) {
3732 ForwardInner(forwardMostMove);
3735 /* I don't think this case really can happen */
3736 SendToICS(ics_prefix);
3737 SendToICS("refresh\n");
3742 /* Error messages */
3743 // if (ics_user_moved) {
3744 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3745 if (looking_at(buf, &i, "Illegal move") ||
3746 looking_at(buf, &i, "Not a legal move") ||
3747 looking_at(buf, &i, "Your king is in check") ||
3748 looking_at(buf, &i, "It isn't your turn") ||
3749 looking_at(buf, &i, "It is not your move")) {
3751 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3752 currentMove = forwardMostMove-1;
3753 DisplayMove(currentMove - 1); /* before DMError */
3754 DrawPosition(FALSE, boards[currentMove]);
3755 SwitchClocks(forwardMostMove-1); // [HGM] race
3756 DisplayBothClocks();
3758 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3764 if (looking_at(buf, &i, "still have time") ||
3765 looking_at(buf, &i, "not out of time") ||
3766 looking_at(buf, &i, "either player is out of time") ||
3767 looking_at(buf, &i, "has timeseal; checking")) {
3768 /* We must have called his flag a little too soon */
3769 whiteFlag = blackFlag = FALSE;
3773 if (looking_at(buf, &i, "added * seconds to") ||
3774 looking_at(buf, &i, "seconds were added to")) {
3775 /* Update the clocks */
3776 SendToICS(ics_prefix);
3777 SendToICS("refresh\n");
3781 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3782 ics_clock_paused = TRUE;
3787 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3788 ics_clock_paused = FALSE;
3793 /* Grab player ratings from the Creating: message.
3794 Note we have to check for the special case when
3795 the ICS inserts things like [white] or [black]. */
3796 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3797 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3799 0 player 1 name (not necessarily white)
3801 2 empty, white, or black (IGNORED)
3802 3 player 2 name (not necessarily black)
3805 The names/ratings are sorted out when the game
3806 actually starts (below).
3808 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3809 player1Rating = string_to_rating(star_match[1]);
3810 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3811 player2Rating = string_to_rating(star_match[4]);
3813 if (appData.debugMode)
3815 "Ratings from 'Creating:' %s %d, %s %d\n",
3816 player1Name, player1Rating,
3817 player2Name, player2Rating);
3822 /* Improved generic start/end-of-game messages */
3823 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3824 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3825 /* If tkind == 0: */
3826 /* star_match[0] is the game number */
3827 /* [1] is the white player's name */
3828 /* [2] is the black player's name */
3829 /* For end-of-game: */
3830 /* [3] is the reason for the game end */
3831 /* [4] is a PGN end game-token, preceded by " " */
3832 /* For start-of-game: */
3833 /* [3] begins with "Creating" or "Continuing" */
3834 /* [4] is " *" or empty (don't care). */
3835 int gamenum = atoi(star_match[0]);
3836 char *whitename, *blackname, *why, *endtoken;
3837 ChessMove endtype = EndOfFile;
3840 whitename = star_match[1];
3841 blackname = star_match[2];
3842 why = star_match[3];
3843 endtoken = star_match[4];
3845 whitename = star_match[1];
3846 blackname = star_match[3];
3847 why = star_match[5];
3848 endtoken = star_match[6];
3851 /* Game start messages */
3852 if (strncmp(why, "Creating ", 9) == 0 ||
3853 strncmp(why, "Continuing ", 11) == 0) {
3854 gs_gamenum = gamenum;
3855 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3856 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3858 if (appData.zippyPlay) {
3859 ZippyGameStart(whitename, blackname);
3862 partnerBoardValid = FALSE; // [HGM] bughouse
3866 /* Game end messages */
3867 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3868 ics_gamenum != gamenum) {
3871 while (endtoken[0] == ' ') endtoken++;
3872 switch (endtoken[0]) {
3875 endtype = GameUnfinished;
3878 endtype = BlackWins;
3881 if (endtoken[1] == '/')
3882 endtype = GameIsDrawn;
3884 endtype = WhiteWins;
3887 GameEnds(endtype, why, GE_ICS);
3889 if (appData.zippyPlay && first.initDone) {
3890 ZippyGameEnd(endtype, why);
3891 if (first.pr == NULL) {
3892 /* Start the next process early so that we'll
3893 be ready for the next challenge */
3894 StartChessProgram(&first);
3896 /* Send "new" early, in case this command takes
3897 a long time to finish, so that we'll be ready
3898 for the next challenge. */
3899 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3903 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3907 if (looking_at(buf, &i, "Removing game * from observation") ||
3908 looking_at(buf, &i, "no longer observing game *") ||
3909 looking_at(buf, &i, "Game * (*) has no examiners")) {
3910 if (gameMode == IcsObserving &&
3911 atoi(star_match[0]) == ics_gamenum)
3913 /* icsEngineAnalyze */
3914 if (appData.icsEngineAnalyze) {
3921 ics_user_moved = FALSE;
3926 if (looking_at(buf, &i, "no longer examining game *")) {
3927 if (gameMode == IcsExamining &&
3928 atoi(star_match[0]) == ics_gamenum)
3932 ics_user_moved = FALSE;
3937 /* Advance leftover_start past any newlines we find,
3938 so only partial lines can get reparsed */
3939 if (looking_at(buf, &i, "\n")) {
3940 prevColor = curColor;
3941 if (curColor != ColorNormal) {
3942 if (oldi > next_out) {
3943 SendToPlayer(&buf[next_out], oldi - next_out);
3946 Colorize(ColorNormal, FALSE);
3947 curColor = ColorNormal;
3949 if (started == STARTED_BOARD) {
3950 started = STARTED_NONE;
3951 parse[parse_pos] = NULLCHAR;
3952 ParseBoard12(parse);
3955 /* Send premove here */
3956 if (appData.premove) {
3958 if (currentMove == 0 &&
3959 gameMode == IcsPlayingWhite &&
3960 appData.premoveWhite) {
3961 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3962 if (appData.debugMode)
3963 fprintf(debugFP, "Sending premove:\n");
3965 } else if (currentMove == 1 &&
3966 gameMode == IcsPlayingBlack &&
3967 appData.premoveBlack) {
3968 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3969 if (appData.debugMode)
3970 fprintf(debugFP, "Sending premove:\n");
3972 } else if (gotPremove) {
3974 ClearPremoveHighlights();
3975 if (appData.debugMode)
3976 fprintf(debugFP, "Sending premove:\n");
3977 UserMoveEvent(premoveFromX, premoveFromY,
3978 premoveToX, premoveToY,
3983 /* Usually suppress following prompt */
3984 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3985 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3986 if (looking_at(buf, &i, "*% ")) {
3987 savingComment = FALSE;
3992 } else if (started == STARTED_HOLDINGS) {
3994 char new_piece[MSG_SIZ];
3995 started = STARTED_NONE;
3996 parse[parse_pos] = NULLCHAR;
3997 if (appData.debugMode)
3998 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3999 parse, currentMove);
4000 if (sscanf(parse, " game %d", &gamenum) == 1) {
4001 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4002 if (gameInfo.variant == VariantNormal) {
4003 /* [HGM] We seem to switch variant during a game!
4004 * Presumably no holdings were displayed, so we have
4005 * to move the position two files to the right to
4006 * create room for them!
4008 VariantClass newVariant;
4009 switch(gameInfo.boardWidth) { // base guess on board width
4010 case 9: newVariant = VariantShogi; break;
4011 case 10: newVariant = VariantGreat; break;
4012 default: newVariant = VariantCrazyhouse; break;
4014 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4015 /* Get a move list just to see the header, which
4016 will tell us whether this is really bug or zh */
4017 if (ics_getting_history == H_FALSE) {
4018 ics_getting_history = H_REQUESTED;
4019 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4023 new_piece[0] = NULLCHAR;
4024 sscanf(parse, "game %d white [%s black [%s <- %s",
4025 &gamenum, white_holding, black_holding,
4027 white_holding[strlen(white_holding)-1] = NULLCHAR;
4028 black_holding[strlen(black_holding)-1] = NULLCHAR;
4029 /* [HGM] copy holdings to board holdings area */
4030 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4031 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4032 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4034 if (appData.zippyPlay && first.initDone) {
4035 ZippyHoldings(white_holding, black_holding,
4039 if (tinyLayout || smallLayout) {
4040 char wh[16], bh[16];
4041 PackHolding(wh, white_holding);
4042 PackHolding(bh, black_holding);
4043 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4044 gameInfo.white, gameInfo.black);
4046 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4047 gameInfo.white, white_holding,
4048 gameInfo.black, black_holding);
4050 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4051 DrawPosition(FALSE, boards[currentMove]);
4053 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4054 sscanf(parse, "game %d white [%s black [%s <- %s",
4055 &gamenum, white_holding, black_holding,
4057 white_holding[strlen(white_holding)-1] = NULLCHAR;
4058 black_holding[strlen(black_holding)-1] = NULLCHAR;
4059 /* [HGM] copy holdings to partner-board holdings area */
4060 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4061 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4062 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4063 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4064 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4067 /* Suppress following prompt */
4068 if (looking_at(buf, &i, "*% ")) {
4069 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4070 savingComment = FALSE;
4078 i++; /* skip unparsed character and loop back */
4081 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4082 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4083 // SendToPlayer(&buf[next_out], i - next_out);
4084 started != STARTED_HOLDINGS && leftover_start > next_out) {
4085 SendToPlayer(&buf[next_out], leftover_start - next_out);
4089 leftover_len = buf_len - leftover_start;
4090 /* if buffer ends with something we couldn't parse,
4091 reparse it after appending the next read */
4093 } else if (count == 0) {
4094 RemoveInputSource(isr);
4095 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4097 DisplayFatalError(_("Error reading from ICS"), error, 1);
4102 /* Board style 12 looks like this:
4104 <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
4106 * The "<12> " is stripped before it gets to this routine. The two
4107 * trailing 0's (flip state and clock ticking) are later addition, and
4108 * some chess servers may not have them, or may have only the first.
4109 * Additional trailing fields may be added in the future.
4112 #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"
4114 #define RELATION_OBSERVING_PLAYED 0
4115 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4116 #define RELATION_PLAYING_MYMOVE 1
4117 #define RELATION_PLAYING_NOTMYMOVE -1
4118 #define RELATION_EXAMINING 2
4119 #define RELATION_ISOLATED_BOARD -3
4120 #define RELATION_STARTING_POSITION -4 /* FICS only */
4123 ParseBoard12(string)
4126 GameMode newGameMode;
4127 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4128 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4129 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4130 char to_play, board_chars[200];
4131 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4132 char black[32], white[32];
4134 int prevMove = currentMove;
4137 int fromX, fromY, toX, toY;
4139 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4140 char *bookHit = NULL; // [HGM] book
4141 Boolean weird = FALSE, reqFlag = FALSE;
4143 fromX = fromY = toX = toY = -1;
4147 if (appData.debugMode)
4148 fprintf(debugFP, _("Parsing board: %s\n"), string);
4150 move_str[0] = NULLCHAR;
4151 elapsed_time[0] = NULLCHAR;
4152 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4154 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4155 if(string[i] == ' ') { ranks++; files = 0; }
4157 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4160 for(j = 0; j <i; j++) board_chars[j] = string[j];
4161 board_chars[i] = '\0';
4164 n = sscanf(string, PATTERN, &to_play, &double_push,
4165 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4166 &gamenum, white, black, &relation, &basetime, &increment,
4167 &white_stren, &black_stren, &white_time, &black_time,
4168 &moveNum, str, elapsed_time, move_str, &ics_flip,
4172 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4173 DisplayError(str, 0);
4177 /* Convert the move number to internal form */
4178 moveNum = (moveNum - 1) * 2;
4179 if (to_play == 'B') moveNum++;
4180 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4181 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4187 case RELATION_OBSERVING_PLAYED:
4188 case RELATION_OBSERVING_STATIC:
4189 if (gamenum == -1) {
4190 /* Old ICC buglet */
4191 relation = RELATION_OBSERVING_STATIC;
4193 newGameMode = IcsObserving;
4195 case RELATION_PLAYING_MYMOVE:
4196 case RELATION_PLAYING_NOTMYMOVE:
4198 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4199 IcsPlayingWhite : IcsPlayingBlack;
4201 case RELATION_EXAMINING:
4202 newGameMode = IcsExamining;
4204 case RELATION_ISOLATED_BOARD:
4206 /* Just display this board. If user was doing something else,
4207 we will forget about it until the next board comes. */
4208 newGameMode = IcsIdle;
4210 case RELATION_STARTING_POSITION:
4211 newGameMode = gameMode;
4215 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4216 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4217 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4219 for (k = 0; k < ranks; k++) {
4220 for (j = 0; j < files; j++)
4221 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4222 if(gameInfo.holdingsWidth > 1) {
4223 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4224 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4227 CopyBoard(partnerBoard, board);
4228 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4229 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4230 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4231 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4232 if(toSqr = strchr(str, '-')) {
4233 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4234 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4235 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4236 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4237 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4238 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4239 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4240 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4241 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4242 DisplayMessage(partnerStatus, "");
4243 partnerBoardValid = TRUE;
4247 /* Modify behavior for initial board display on move listing
4250 switch (ics_getting_history) {
4254 case H_GOT_REQ_HEADER:
4255 case H_GOT_UNREQ_HEADER:
4256 /* This is the initial position of the current game */
4257 gamenum = ics_gamenum;
4258 moveNum = 0; /* old ICS bug workaround */
4259 if (to_play == 'B') {
4260 startedFromSetupPosition = TRUE;
4261 blackPlaysFirst = TRUE;
4263 if (forwardMostMove == 0) forwardMostMove = 1;
4264 if (backwardMostMove == 0) backwardMostMove = 1;
4265 if (currentMove == 0) currentMove = 1;
4267 newGameMode = gameMode;
4268 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4270 case H_GOT_UNWANTED_HEADER:
4271 /* This is an initial board that we don't want */
4273 case H_GETTING_MOVES:
4274 /* Should not happen */
4275 DisplayError(_("Error gathering move list: extra board"), 0);
4276 ics_getting_history = H_FALSE;
4280 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4281 weird && (int)gameInfo.variant < (int)VariantShogi) {
4282 /* [HGM] We seem to have switched variant unexpectedly
4283 * Try to guess new variant from board size
4285 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4286 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4287 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4288 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4289 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4290 if(!weird) newVariant = VariantNormal;
4291 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4292 /* Get a move list just to see the header, which
4293 will tell us whether this is really bug or zh */
4294 if (ics_getting_history == H_FALSE) {
4295 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4296 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4301 /* Take action if this is the first board of a new game, or of a
4302 different game than is currently being displayed. */
4303 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4304 relation == RELATION_ISOLATED_BOARD) {
4306 /* Forget the old game and get the history (if any) of the new one */
4307 if (gameMode != BeginningOfGame) {
4311 if (appData.autoRaiseBoard) BoardToTop();
4313 if (gamenum == -1) {
4314 newGameMode = IcsIdle;
4315 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4316 appData.getMoveList && !reqFlag) {
4317 /* Need to get game history */
4318 ics_getting_history = H_REQUESTED;
4319 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4323 /* Initially flip the board to have black on the bottom if playing
4324 black or if the ICS flip flag is set, but let the user change
4325 it with the Flip View button. */
4326 flipView = appData.autoFlipView ?
4327 (newGameMode == IcsPlayingBlack) || ics_flip :
4330 /* Done with values from previous mode; copy in new ones */
4331 gameMode = newGameMode;
4333 ics_gamenum = gamenum;
4334 if (gamenum == gs_gamenum) {
4335 int klen = strlen(gs_kind);
4336 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4337 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4338 gameInfo.event = StrSave(str);
4340 gameInfo.event = StrSave("ICS game");
4342 gameInfo.site = StrSave(appData.icsHost);
4343 gameInfo.date = PGNDate();
4344 gameInfo.round = StrSave("-");
4345 gameInfo.white = StrSave(white);
4346 gameInfo.black = StrSave(black);
4347 timeControl = basetime * 60 * 1000;
4349 timeIncrement = increment * 1000;
4350 movesPerSession = 0;
4351 gameInfo.timeControl = TimeControlTagValue();
4352 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4353 if (appData.debugMode) {
4354 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4355 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4356 setbuf(debugFP, NULL);
4359 gameInfo.outOfBook = NULL;
4361 /* Do we have the ratings? */
4362 if (strcmp(player1Name, white) == 0 &&
4363 strcmp(player2Name, black) == 0) {
4364 if (appData.debugMode)
4365 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4366 player1Rating, player2Rating);
4367 gameInfo.whiteRating = player1Rating;
4368 gameInfo.blackRating = player2Rating;
4369 } else if (strcmp(player2Name, white) == 0 &&
4370 strcmp(player1Name, black) == 0) {
4371 if (appData.debugMode)
4372 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4373 player2Rating, player1Rating);
4374 gameInfo.whiteRating = player2Rating;
4375 gameInfo.blackRating = player1Rating;
4377 player1Name[0] = player2Name[0] = NULLCHAR;
4379 /* Silence shouts if requested */
4380 if (appData.quietPlay &&
4381 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4382 SendToICS(ics_prefix);
4383 SendToICS("set shout 0\n");
4387 /* Deal with midgame name changes */
4389 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4390 if (gameInfo.white) free(gameInfo.white);
4391 gameInfo.white = StrSave(white);
4393 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4394 if (gameInfo.black) free(gameInfo.black);
4395 gameInfo.black = StrSave(black);
4399 /* Throw away game result if anything actually changes in examine mode */
4400 if (gameMode == IcsExamining && !newGame) {
4401 gameInfo.result = GameUnfinished;
4402 if (gameInfo.resultDetails != NULL) {
4403 free(gameInfo.resultDetails);
4404 gameInfo.resultDetails = NULL;
4408 /* In pausing && IcsExamining mode, we ignore boards coming
4409 in if they are in a different variation than we are. */
4410 if (pauseExamInvalid) return;
4411 if (pausing && gameMode == IcsExamining) {
4412 if (moveNum <= pauseExamForwardMostMove) {
4413 pauseExamInvalid = TRUE;
4414 forwardMostMove = pauseExamForwardMostMove;
4419 if (appData.debugMode) {
4420 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4422 /* Parse the board */
4423 for (k = 0; k < ranks; k++) {
4424 for (j = 0; j < files; j++)
4425 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4426 if(gameInfo.holdingsWidth > 1) {
4427 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4428 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4431 CopyBoard(boards[moveNum], board);
4432 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4434 startedFromSetupPosition =
4435 !CompareBoards(board, initialPosition);
4436 if(startedFromSetupPosition)
4437 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4440 /* [HGM] Set castling rights. Take the outermost Rooks,
4441 to make it also work for FRC opening positions. Note that board12
4442 is really defective for later FRC positions, as it has no way to
4443 indicate which Rook can castle if they are on the same side of King.
4444 For the initial position we grant rights to the outermost Rooks,
4445 and remember thos rights, and we then copy them on positions
4446 later in an FRC game. This means WB might not recognize castlings with
4447 Rooks that have moved back to their original position as illegal,
4448 but in ICS mode that is not its job anyway.
4450 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4451 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4453 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4454 if(board[0][i] == WhiteRook) j = i;
4455 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4456 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4457 if(board[0][i] == WhiteRook) j = i;
4458 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4459 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4460 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4461 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4462 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4463 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4464 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4466 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4467 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4468 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4469 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4470 if(board[BOARD_HEIGHT-1][k] == bKing)
4471 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4472 if(gameInfo.variant == VariantTwoKings) {
4473 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4474 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4475 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4478 r = boards[moveNum][CASTLING][0] = initialRights[0];
4479 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4480 r = boards[moveNum][CASTLING][1] = initialRights[1];
4481 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4482 r = boards[moveNum][CASTLING][3] = initialRights[3];
4483 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4484 r = boards[moveNum][CASTLING][4] = initialRights[4];
4485 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4486 /* wildcastle kludge: always assume King has rights */
4487 r = boards[moveNum][CASTLING][2] = initialRights[2];
4488 r = boards[moveNum][CASTLING][5] = initialRights[5];
4490 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4491 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4494 if (ics_getting_history == H_GOT_REQ_HEADER ||
4495 ics_getting_history == H_GOT_UNREQ_HEADER) {
4496 /* This was an initial position from a move list, not
4497 the current position */
4501 /* Update currentMove and known move number limits */
4502 newMove = newGame || moveNum > forwardMostMove;
4505 forwardMostMove = backwardMostMove = currentMove = moveNum;
4506 if (gameMode == IcsExamining && moveNum == 0) {
4507 /* Workaround for ICS limitation: we are not told the wild
4508 type when starting to examine a game. But if we ask for
4509 the move list, the move list header will tell us */
4510 ics_getting_history = H_REQUESTED;
4511 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4514 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4515 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4517 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4518 /* [HGM] applied this also to an engine that is silently watching */
4519 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4520 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4521 gameInfo.variant == currentlyInitializedVariant) {
4522 takeback = forwardMostMove - moveNum;
4523 for (i = 0; i < takeback; i++) {
4524 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4525 SendToProgram("undo\n", &first);
4530 forwardMostMove = moveNum;
4531 if (!pausing || currentMove > forwardMostMove)
4532 currentMove = forwardMostMove;
4534 /* New part of history that is not contiguous with old part */
4535 if (pausing && gameMode == IcsExamining) {
4536 pauseExamInvalid = TRUE;
4537 forwardMostMove = pauseExamForwardMostMove;
4540 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4542 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4543 // [HGM] when we will receive the move list we now request, it will be
4544 // fed to the engine from the first move on. So if the engine is not
4545 // in the initial position now, bring it there.
4546 InitChessProgram(&first, 0);
4549 ics_getting_history = H_REQUESTED;
4550 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4553 forwardMostMove = backwardMostMove = currentMove = moveNum;
4556 /* Update the clocks */
4557 if (strchr(elapsed_time, '.')) {
4559 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4560 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4562 /* Time is in seconds */
4563 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4564 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4569 if (appData.zippyPlay && newGame &&
4570 gameMode != IcsObserving && gameMode != IcsIdle &&
4571 gameMode != IcsExamining)
4572 ZippyFirstBoard(moveNum, basetime, increment);
4575 /* Put the move on the move list, first converting
4576 to canonical algebraic form. */
4578 if (appData.debugMode) {
4579 if (appData.debugMode) { int f = forwardMostMove;
4580 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4581 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4582 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4584 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4585 fprintf(debugFP, "moveNum = %d\n", moveNum);
4586 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4587 setbuf(debugFP, NULL);
4589 if (moveNum <= backwardMostMove) {
4590 /* We don't know what the board looked like before
4592 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4593 strcat(parseList[moveNum - 1], " ");
4594 strcat(parseList[moveNum - 1], elapsed_time);
4595 moveList[moveNum - 1][0] = NULLCHAR;
4596 } else if (strcmp(move_str, "none") == 0) {
4597 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4598 /* Again, we don't know what the board looked like;
4599 this is really the start of the game. */
4600 parseList[moveNum - 1][0] = NULLCHAR;
4601 moveList[moveNum - 1][0] = NULLCHAR;
4602 backwardMostMove = moveNum;
4603 startedFromSetupPosition = TRUE;
4604 fromX = fromY = toX = toY = -1;
4606 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4607 // So we parse the long-algebraic move string in stead of the SAN move
4608 int valid; char buf[MSG_SIZ], *prom;
4610 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4611 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4612 // str looks something like "Q/a1-a2"; kill the slash
4614 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4615 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4616 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4617 strcat(buf, prom); // long move lacks promo specification!
4618 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4619 if(appData.debugMode)
4620 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4621 safeStrCpy(move_str, buf, MSG_SIZ);
4623 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4624 &fromX, &fromY, &toX, &toY, &promoChar)
4625 || ParseOneMove(buf, moveNum - 1, &moveType,
4626 &fromX, &fromY, &toX, &toY, &promoChar);
4627 // end of long SAN patch
4629 (void) CoordsToAlgebraic(boards[moveNum - 1],
4630 PosFlags(moveNum - 1),
4631 fromY, fromX, toY, toX, promoChar,
4632 parseList[moveNum-1]);
4633 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4639 if(gameInfo.variant != VariantShogi)
4640 strcat(parseList[moveNum - 1], "+");
4643 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4644 strcat(parseList[moveNum - 1], "#");
4647 strcat(parseList[moveNum - 1], " ");
4648 strcat(parseList[moveNum - 1], elapsed_time);
4649 /* currentMoveString is set as a side-effect of ParseOneMove */
4650 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4651 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4652 strcat(moveList[moveNum - 1], "\n");
4654 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4655 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4656 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4657 ChessSquare old, new = boards[moveNum][k][j];
4658 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4659 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4660 if(old == new) continue;
4661 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4662 else if(new == WhiteWazir || new == BlackWazir) {
4663 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4664 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4665 else boards[moveNum][k][j] = old; // preserve type of Gold
4666 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4667 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4670 /* Move from ICS was illegal!? Punt. */
4671 if (appData.debugMode) {
4672 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4673 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4675 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4676 strcat(parseList[moveNum - 1], " ");
4677 strcat(parseList[moveNum - 1], elapsed_time);
4678 moveList[moveNum - 1][0] = NULLCHAR;
4679 fromX = fromY = toX = toY = -1;
4682 if (appData.debugMode) {
4683 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4684 setbuf(debugFP, NULL);
4688 /* Send move to chess program (BEFORE animating it). */
4689 if (appData.zippyPlay && !newGame && newMove &&
4690 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4692 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4693 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4694 if (moveList[moveNum - 1][0] == NULLCHAR) {
4695 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4697 DisplayError(str, 0);
4699 if (first.sendTime) {
4700 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4702 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4703 if (firstMove && !bookHit) {
4705 if (first.useColors) {
4706 SendToProgram(gameMode == IcsPlayingWhite ?
4708 "black\ngo\n", &first);
4710 SendToProgram("go\n", &first);
4712 first.maybeThinking = TRUE;
4715 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4716 if (moveList[moveNum - 1][0] == NULLCHAR) {
4717 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4718 DisplayError(str, 0);
4720 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4721 SendMoveToProgram(moveNum - 1, &first);
4728 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4729 /* If move comes from a remote source, animate it. If it
4730 isn't remote, it will have already been animated. */
4731 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4732 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4734 if (!pausing && appData.highlightLastMove) {
4735 SetHighlights(fromX, fromY, toX, toY);
4739 /* Start the clocks */
4740 whiteFlag = blackFlag = FALSE;
4741 appData.clockMode = !(basetime == 0 && increment == 0);
4743 ics_clock_paused = TRUE;
4745 } else if (ticking == 1) {
4746 ics_clock_paused = FALSE;
4748 if (gameMode == IcsIdle ||
4749 relation == RELATION_OBSERVING_STATIC ||
4750 relation == RELATION_EXAMINING ||
4752 DisplayBothClocks();
4756 /* Display opponents and material strengths */
4757 if (gameInfo.variant != VariantBughouse &&
4758 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4759 if (tinyLayout || smallLayout) {
4760 if(gameInfo.variant == VariantNormal)
4761 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4762 gameInfo.white, white_stren, gameInfo.black, black_stren,
4763 basetime, increment);
4765 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4766 gameInfo.white, white_stren, gameInfo.black, black_stren,
4767 basetime, increment, (int) gameInfo.variant);
4769 if(gameInfo.variant == VariantNormal)
4770 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4771 gameInfo.white, white_stren, gameInfo.black, black_stren,
4772 basetime, increment);
4774 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4775 gameInfo.white, white_stren, gameInfo.black, black_stren,
4776 basetime, increment, VariantName(gameInfo.variant));
4779 if (appData.debugMode) {
4780 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4785 /* Display the board */
4786 if (!pausing && !appData.noGUI) {
4788 if (appData.premove)
4790 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4791 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4792 ClearPremoveHighlights();
4794 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4795 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4796 DrawPosition(j, boards[currentMove]);
4798 DisplayMove(moveNum - 1);
4799 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4800 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4801 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4802 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4806 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4808 if(bookHit) { // [HGM] book: simulate book reply
4809 static char bookMove[MSG_SIZ]; // a bit generous?
4811 programStats.nodes = programStats.depth = programStats.time =
4812 programStats.score = programStats.got_only_move = 0;
4813 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4815 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4816 strcat(bookMove, bookHit);
4817 HandleMachineMove(bookMove, &first);
4826 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4827 ics_getting_history = H_REQUESTED;
4828 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4834 AnalysisPeriodicEvent(force)
4837 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4838 && !force) || !appData.periodicUpdates)
4841 /* Send . command to Crafty to collect stats */
4842 SendToProgram(".\n", &first);
4844 /* Don't send another until we get a response (this makes
4845 us stop sending to old Crafty's which don't understand
4846 the "." command (sending illegal cmds resets node count & time,
4847 which looks bad)) */
4848 programStats.ok_to_send = 0;
4851 void ics_update_width(new_width)
4854 ics_printf("set width %d\n", new_width);
4858 SendMoveToProgram(moveNum, cps)
4860 ChessProgramState *cps;
4864 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4865 // null move in variant where engine does not understand it (for analysis purposes)
4866 SendBoard(cps, moveNum + 1); // send position after move in stead.
4869 if (cps->useUsermove) {
4870 SendToProgram("usermove ", cps);
4874 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4875 int len = space - parseList[moveNum];
4876 memcpy(buf, parseList[moveNum], len);
4878 buf[len] = NULLCHAR;
4880 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4882 SendToProgram(buf, cps);
4884 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4885 AlphaRank(moveList[moveNum], 4);
4886 SendToProgram(moveList[moveNum], cps);
4887 AlphaRank(moveList[moveNum], 4); // and back
4889 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4890 * the engine. It would be nice to have a better way to identify castle
4892 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4893 && cps->useOOCastle) {
4894 int fromX = moveList[moveNum][0] - AAA;
4895 int fromY = moveList[moveNum][1] - ONE;
4896 int toX = moveList[moveNum][2] - AAA;
4897 int toY = moveList[moveNum][3] - ONE;
4898 if((boards[moveNum][fromY][fromX] == WhiteKing
4899 && boards[moveNum][toY][toX] == WhiteRook)
4900 || (boards[moveNum][fromY][fromX] == BlackKing
4901 && boards[moveNum][toY][toX] == BlackRook)) {
4902 if(toX > fromX) SendToProgram("O-O\n", cps);
4903 else SendToProgram("O-O-O\n", cps);
4905 else SendToProgram(moveList[moveNum], cps);
4907 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4908 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4909 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4910 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4911 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4913 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4914 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4915 SendToProgram(buf, cps);
4917 else SendToProgram(moveList[moveNum], cps);
4918 /* End of additions by Tord */
4921 /* [HGM] setting up the opening has brought engine in force mode! */
4922 /* Send 'go' if we are in a mode where machine should play. */
4923 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4924 (gameMode == TwoMachinesPlay ||
4926 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4928 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4929 SendToProgram("go\n", cps);
4930 if (appData.debugMode) {
4931 fprintf(debugFP, "(extra)\n");
4934 setboardSpoiledMachineBlack = 0;
4938 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4940 int fromX, fromY, toX, toY;
4943 char user_move[MSG_SIZ];
4947 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4948 (int)moveType, fromX, fromY, toX, toY);
4949 DisplayError(user_move + strlen("say "), 0);
4951 case WhiteKingSideCastle:
4952 case BlackKingSideCastle:
4953 case WhiteQueenSideCastleWild:
4954 case BlackQueenSideCastleWild:
4956 case WhiteHSideCastleFR:
4957 case BlackHSideCastleFR:
4959 snprintf(user_move, MSG_SIZ, "o-o\n");
4961 case WhiteQueenSideCastle:
4962 case BlackQueenSideCastle:
4963 case WhiteKingSideCastleWild:
4964 case BlackKingSideCastleWild:
4966 case WhiteASideCastleFR:
4967 case BlackASideCastleFR:
4969 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4971 case WhiteNonPromotion:
4972 case BlackNonPromotion:
4973 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4975 case WhitePromotion:
4976 case BlackPromotion:
4977 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4978 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4979 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4980 PieceToChar(WhiteFerz));
4981 else if(gameInfo.variant == VariantGreat)
4982 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4983 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4984 PieceToChar(WhiteMan));
4986 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4987 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4993 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4994 ToUpper(PieceToChar((ChessSquare) fromX)),
4995 AAA + toX, ONE + toY);
4997 case IllegalMove: /* could be a variant we don't quite understand */
4998 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5000 case WhiteCapturesEnPassant:
5001 case BlackCapturesEnPassant:
5002 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5003 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5006 SendToICS(user_move);
5007 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5008 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5013 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5014 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5015 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5016 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5017 DisplayError("You cannot do this while you are playing or observing", 0);
5020 if(gameMode != IcsExamining) { // is this ever not the case?
5021 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5023 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5024 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5025 } else { // on FICS we must first go to general examine mode
5026 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5028 if(gameInfo.variant != VariantNormal) {
5029 // try figure out wild number, as xboard names are not always valid on ICS
5030 for(i=1; i<=36; i++) {
5031 snprintf(buf, MSG_SIZ, "wild/%d", i);
5032 if(StringToVariant(buf) == gameInfo.variant) break;
5034 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5035 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5036 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5037 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5038 SendToICS(ics_prefix);
5040 if(startedFromSetupPosition || backwardMostMove != 0) {
5041 fen = PositionToFEN(backwardMostMove, NULL);
5042 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5043 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5045 } else { // FICS: everything has to set by separate bsetup commands
5046 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5047 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5049 if(!WhiteOnMove(backwardMostMove)) {
5050 SendToICS("bsetup tomove black\n");
5052 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5053 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5055 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5056 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5058 i = boards[backwardMostMove][EP_STATUS];
5059 if(i >= 0) { // set e.p.
5060 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5066 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5067 SendToICS("bsetup done\n"); // switch to normal examining.
5069 for(i = backwardMostMove; i<last; i++) {
5071 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5074 SendToICS(ics_prefix);
5075 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5079 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5084 if (rf == DROP_RANK) {
5085 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5086 sprintf(move, "%c@%c%c\n",
5087 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5089 if (promoChar == 'x' || promoChar == NULLCHAR) {
5090 sprintf(move, "%c%c%c%c\n",
5091 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5093 sprintf(move, "%c%c%c%c%c\n",
5094 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5100 ProcessICSInitScript(f)
5105 while (fgets(buf, MSG_SIZ, f)) {
5106 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5113 static int lastX, lastY, selectFlag, dragging;
5118 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5119 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5120 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5121 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5122 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5123 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5126 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5127 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5128 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5129 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5131 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5132 appData.testLegality && (promoSweep == king ||
5133 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5134 ChangeDragPiece(promoSweep);
5137 int PromoScroll(int x, int y)
5141 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5142 if(abs(x - lastX) < 15 && abs(y - lastY) < 15) return FALSE;
5143 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5144 if(!step) return FALSE;
5145 lastX = x; lastY = y;
5146 if((promoSweep < BlackPawn) == flipView) step = -step;
5147 if(step > 0) selectFlag = 1;
5148 if(!selectFlag) Sweep(step);
5155 ChessSquare piece = boards[currentMove][toY][toX];
5158 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5159 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5160 if(!step) step = -1;
5161 } while(PieceToChar(pieceSweep) == '.');
5162 boards[currentMove][toY][toX] = pieceSweep;
5163 DrawPosition(FALSE, boards[currentMove]);
5164 boards[currentMove][toY][toX] = piece;
5166 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5168 AlphaRank(char *move, int n)
5170 // char *p = move, c; int x, y;
5172 if (appData.debugMode) {
5173 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5177 move[2]>='0' && move[2]<='9' &&
5178 move[3]>='a' && move[3]<='x' ) {
5180 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5181 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5183 if(move[0]>='0' && move[0]<='9' &&
5184 move[1]>='a' && move[1]<='x' &&
5185 move[2]>='0' && move[2]<='9' &&
5186 move[3]>='a' && move[3]<='x' ) {
5187 /* input move, Shogi -> normal */
5188 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5189 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5190 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5191 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5194 move[3]>='0' && move[3]<='9' &&
5195 move[2]>='a' && move[2]<='x' ) {
5197 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5198 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5201 move[0]>='a' && move[0]<='x' &&
5202 move[3]>='0' && move[3]<='9' &&
5203 move[2]>='a' && move[2]<='x' ) {
5204 /* output move, normal -> Shogi */
5205 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5206 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5207 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5208 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5209 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5211 if (appData.debugMode) {
5212 fprintf(debugFP, " out = '%s'\n", move);
5216 char yy_textstr[8000];
5218 /* Parser for moves from gnuchess, ICS, or user typein box */
5220 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5223 ChessMove *moveType;
5224 int *fromX, *fromY, *toX, *toY;
5227 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5229 switch (*moveType) {
5230 case WhitePromotion:
5231 case BlackPromotion:
5232 case WhiteNonPromotion:
5233 case BlackNonPromotion:
5235 case WhiteCapturesEnPassant:
5236 case BlackCapturesEnPassant:
5237 case WhiteKingSideCastle:
5238 case WhiteQueenSideCastle:
5239 case BlackKingSideCastle:
5240 case BlackQueenSideCastle:
5241 case WhiteKingSideCastleWild:
5242 case WhiteQueenSideCastleWild:
5243 case BlackKingSideCastleWild:
5244 case BlackQueenSideCastleWild:
5245 /* Code added by Tord: */
5246 case WhiteHSideCastleFR:
5247 case WhiteASideCastleFR:
5248 case BlackHSideCastleFR:
5249 case BlackASideCastleFR:
5250 /* End of code added by Tord */
5251 case IllegalMove: /* bug or odd chess variant */
5252 *fromX = currentMoveString[0] - AAA;
5253 *fromY = currentMoveString[1] - ONE;
5254 *toX = currentMoveString[2] - AAA;
5255 *toY = currentMoveString[3] - ONE;
5256 *promoChar = currentMoveString[4];
5257 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5258 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5259 if (appData.debugMode) {
5260 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5262 *fromX = *fromY = *toX = *toY = 0;
5265 if (appData.testLegality) {
5266 return (*moveType != IllegalMove);
5268 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5269 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5274 *fromX = *moveType == WhiteDrop ?
5275 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5276 (int) CharToPiece(ToLower(currentMoveString[0]));
5278 *toX = currentMoveString[2] - AAA;
5279 *toY = currentMoveString[3] - ONE;
5280 *promoChar = NULLCHAR;
5284 case ImpossibleMove:
5294 if (appData.debugMode) {
5295 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5298 *fromX = *fromY = *toX = *toY = 0;
5299 *promoChar = NULLCHAR;
5304 Boolean pushed = FALSE;
5305 char *lastParseAttempt;
5308 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5309 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5310 int fromX, fromY, toX, toY; char promoChar;
5315 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5316 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5319 endPV = forwardMostMove;
5321 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5322 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5323 lastParseAttempt = pv;
5324 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5325 if(appData.debugMode){
5326 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);
5328 if(!valid && nr == 0 &&
5329 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5330 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5331 // Hande case where played move is different from leading PV move
5332 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5333 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5334 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5335 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5336 endPV += 2; // if position different, keep this
5337 moveList[endPV-1][0] = fromX + AAA;
5338 moveList[endPV-1][1] = fromY + ONE;
5339 moveList[endPV-1][2] = toX + AAA;
5340 moveList[endPV-1][3] = toY + ONE;
5341 parseList[endPV-1][0] = NULLCHAR;
5342 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5345 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5346 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5347 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5348 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5349 valid++; // allow comments in PV
5353 if(endPV+1 > framePtr) break; // no space, truncate
5356 CopyBoard(boards[endPV], boards[endPV-1]);
5357 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5358 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5359 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5360 CoordsToAlgebraic(boards[endPV - 1],
5361 PosFlags(endPV - 1),
5362 fromY, fromX, toY, toX, promoChar,
5363 parseList[endPV - 1]);
5365 if(atEnd == 2) return; // used hidden, for PV conversion
5366 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5367 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5368 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5369 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5370 DrawPosition(TRUE, boards[currentMove]);
5374 MultiPV(ChessProgramState *cps)
5375 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5377 for(i=0; i<cps->nrOptions; i++)
5378 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5384 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5386 int startPV, multi, lineStart, origIndex = index;
5387 char *p, buf2[MSG_SIZ];
5389 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5390 lastX = x; lastY = y;
5391 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5392 lineStart = startPV = index;
5393 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5394 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5396 do{ while(buf[index] && buf[index] != '\n') index++;
5397 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5399 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5400 int n = first.option[multi].value;
5401 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5402 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5403 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5404 first.option[multi].value = n;
5408 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5409 *start = startPV; *end = index-1;
5416 static char buf[10*MSG_SIZ];
5417 int i, k=0, savedEnd=endPV;
5419 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5420 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5421 for(i = forwardMostMove; i<endPV; i++){
5422 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5423 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5426 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5427 if(forwardMostMove < savedEnd) PopInner(0);
5433 LoadPV(int x, int y)
5434 { // called on right mouse click to load PV
5435 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5436 lastX = x; lastY = y;
5437 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5444 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5445 if(endPV < 0) return;
5447 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5448 Boolean saveAnimate = appData.animate;
5450 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5451 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5452 } else storedGames--; // abandon shelved tail of original game
5455 forwardMostMove = currentMove;
5456 currentMove = oldFMM;
5457 appData.animate = FALSE;
5458 ToNrEvent(forwardMostMove);
5459 appData.animate = saveAnimate;
5461 currentMove = forwardMostMove;
5462 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5463 ClearPremoveHighlights();
5464 DrawPosition(TRUE, boards[currentMove]);
5468 MovePV(int x, int y, int h)
5469 { // step through PV based on mouse coordinates (called on mouse move)
5470 int margin = h>>3, step = 0;
5472 // we must somehow check if right button is still down (might be released off board!)
5473 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5474 if(abs(x - lastX) < 7 && abs(y - lastY) < 7) return;
5475 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5477 lastX = x; lastY = y;
5479 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5480 if(endPV < 0) return;
5481 if(y < margin) step = 1; else
5482 if(y > h - margin) step = -1;
5483 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5484 currentMove += step;
5485 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5486 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5487 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5488 DrawPosition(FALSE, boards[currentMove]);
5492 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5493 // All positions will have equal probability, but the current method will not provide a unique
5494 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5500 int piecesLeft[(int)BlackPawn];
5501 int seed, nrOfShuffles;
5503 void GetPositionNumber()
5504 { // sets global variable seed
5507 seed = appData.defaultFrcPosition;
5508 if(seed < 0) { // randomize based on time for negative FRC position numbers
5509 for(i=0; i<50; i++) seed += random();
5510 seed = random() ^ random() >> 8 ^ random() << 8;
5511 if(seed<0) seed = -seed;
5515 int put(Board board, int pieceType, int rank, int n, int shade)
5516 // put the piece on the (n-1)-th empty squares of the given shade
5520 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5521 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5522 board[rank][i] = (ChessSquare) pieceType;
5523 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5525 piecesLeft[pieceType]--;
5533 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5534 // calculate where the next piece goes, (any empty square), and put it there
5538 i = seed % squaresLeft[shade];
5539 nrOfShuffles *= squaresLeft[shade];
5540 seed /= squaresLeft[shade];
5541 put(board, pieceType, rank, i, shade);
5544 void AddTwoPieces(Board board, int pieceType, int rank)
5545 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5547 int i, n=squaresLeft[ANY], j=n-1, k;
5549 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5550 i = seed % k; // pick one
5553 while(i >= j) i -= j--;
5554 j = n - 1 - j; i += j;
5555 put(board, pieceType, rank, j, ANY);
5556 put(board, pieceType, rank, i, ANY);
5559 void SetUpShuffle(Board board, int number)
5563 GetPositionNumber(); nrOfShuffles = 1;
5565 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5566 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5567 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5569 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5571 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5572 p = (int) board[0][i];
5573 if(p < (int) BlackPawn) piecesLeft[p] ++;
5574 board[0][i] = EmptySquare;
5577 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5578 // shuffles restricted to allow normal castling put KRR first
5579 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5580 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5581 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5582 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5583 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5584 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5585 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5586 put(board, WhiteRook, 0, 0, ANY);
5587 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5590 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5591 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5592 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5593 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5594 while(piecesLeft[p] >= 2) {
5595 AddOnePiece(board, p, 0, LITE);
5596 AddOnePiece(board, p, 0, DARK);
5598 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5601 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5602 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5603 // but we leave King and Rooks for last, to possibly obey FRC restriction
5604 if(p == (int)WhiteRook) continue;
5605 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5606 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5609 // now everything is placed, except perhaps King (Unicorn) and Rooks
5611 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5612 // Last King gets castling rights
5613 while(piecesLeft[(int)WhiteUnicorn]) {
5614 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5615 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5618 while(piecesLeft[(int)WhiteKing]) {
5619 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5620 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5625 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5626 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5629 // Only Rooks can be left; simply place them all
5630 while(piecesLeft[(int)WhiteRook]) {
5631 i = put(board, WhiteRook, 0, 0, ANY);
5632 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5635 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5637 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5640 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5641 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5644 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5647 int SetCharTable( char *table, const char * map )
5648 /* [HGM] moved here from winboard.c because of its general usefulness */
5649 /* Basically a safe strcpy that uses the last character as King */
5651 int result = FALSE; int NrPieces;
5653 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5654 && NrPieces >= 12 && !(NrPieces&1)) {
5655 int i; /* [HGM] Accept even length from 12 to 34 */
5657 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5658 for( i=0; i<NrPieces/2-1; i++ ) {
5660 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5662 table[(int) WhiteKing] = map[NrPieces/2-1];
5663 table[(int) BlackKing] = map[NrPieces-1];
5671 void Prelude(Board board)
5672 { // [HGM] superchess: random selection of exo-pieces
5673 int i, j, k; ChessSquare p;
5674 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5676 GetPositionNumber(); // use FRC position number
5678 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5679 SetCharTable(pieceToChar, appData.pieceToCharTable);
5680 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5681 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5684 j = seed%4; seed /= 4;
5685 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5686 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5687 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5688 j = seed%3 + (seed%3 >= j); seed /= 3;
5689 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5690 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5691 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5692 j = seed%3; seed /= 3;
5693 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5694 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5695 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5696 j = seed%2 + (seed%2 >= j); seed /= 2;
5697 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5698 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5699 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5700 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5701 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5702 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5703 put(board, exoPieces[0], 0, 0, ANY);
5704 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5708 InitPosition(redraw)
5711 ChessSquare (* pieces)[BOARD_FILES];
5712 int i, j, pawnRow, overrule,
5713 oldx = gameInfo.boardWidth,
5714 oldy = gameInfo.boardHeight,
5715 oldh = gameInfo.holdingsWidth;
5718 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5720 /* [AS] Initialize pv info list [HGM] and game status */
5722 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5723 pvInfoList[i].depth = 0;
5724 boards[i][EP_STATUS] = EP_NONE;
5725 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5728 initialRulePlies = 0; /* 50-move counter start */
5730 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5731 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5735 /* [HGM] logic here is completely changed. In stead of full positions */
5736 /* the initialized data only consist of the two backranks. The switch */
5737 /* selects which one we will use, which is than copied to the Board */
5738 /* initialPosition, which for the rest is initialized by Pawns and */
5739 /* empty squares. This initial position is then copied to boards[0], */
5740 /* possibly after shuffling, so that it remains available. */
5742 gameInfo.holdingsWidth = 0; /* default board sizes */
5743 gameInfo.boardWidth = 8;
5744 gameInfo.boardHeight = 8;
5745 gameInfo.holdingsSize = 0;
5746 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5747 for(i=0; i<BOARD_FILES-2; i++)
5748 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5749 initialPosition[EP_STATUS] = EP_NONE;
5750 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5751 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5752 SetCharTable(pieceNickName, appData.pieceNickNames);
5753 else SetCharTable(pieceNickName, "............");
5756 switch (gameInfo.variant) {
5757 case VariantFischeRandom:
5758 shuffleOpenings = TRUE;
5761 case VariantShatranj:
5762 pieces = ShatranjArray;
5763 nrCastlingRights = 0;
5764 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5767 pieces = makrukArray;
5768 nrCastlingRights = 0;
5769 startedFromSetupPosition = TRUE;
5770 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5772 case VariantTwoKings:
5773 pieces = twoKingsArray;
5776 pieces = GrandArray;
5777 nrCastlingRights = 0;
5778 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5779 gameInfo.boardWidth = 10;
5780 gameInfo.boardHeight = 10;
5781 gameInfo.holdingsSize = 7;
5783 case VariantCapaRandom:
5784 shuffleOpenings = TRUE;
5785 case VariantCapablanca:
5786 pieces = CapablancaArray;
5787 gameInfo.boardWidth = 10;
5788 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5791 pieces = GothicArray;
5792 gameInfo.boardWidth = 10;
5793 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5796 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5797 gameInfo.holdingsSize = 7;
5800 pieces = JanusArray;
5801 gameInfo.boardWidth = 10;
5802 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5803 nrCastlingRights = 6;
5804 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5805 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5806 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5807 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5808 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5809 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5812 pieces = FalconArray;
5813 gameInfo.boardWidth = 10;
5814 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5816 case VariantXiangqi:
5817 pieces = XiangqiArray;
5818 gameInfo.boardWidth = 9;
5819 gameInfo.boardHeight = 10;
5820 nrCastlingRights = 0;
5821 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5824 pieces = ShogiArray;
5825 gameInfo.boardWidth = 9;
5826 gameInfo.boardHeight = 9;
5827 gameInfo.holdingsSize = 7;
5828 nrCastlingRights = 0;
5829 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5831 case VariantCourier:
5832 pieces = CourierArray;
5833 gameInfo.boardWidth = 12;
5834 nrCastlingRights = 0;
5835 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5837 case VariantKnightmate:
5838 pieces = KnightmateArray;
5839 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5841 case VariantSpartan:
5842 pieces = SpartanArray;
5843 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5846 pieces = fairyArray;
5847 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5850 pieces = GreatArray;
5851 gameInfo.boardWidth = 10;
5852 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5853 gameInfo.holdingsSize = 8;
5857 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5858 gameInfo.holdingsSize = 8;
5859 startedFromSetupPosition = TRUE;
5861 case VariantCrazyhouse:
5862 case VariantBughouse:
5864 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5865 gameInfo.holdingsSize = 5;
5867 case VariantWildCastle:
5869 /* !!?shuffle with kings guaranteed to be on d or e file */
5870 shuffleOpenings = 1;
5872 case VariantNoCastle:
5874 nrCastlingRights = 0;
5875 /* !!?unconstrained back-rank shuffle */
5876 shuffleOpenings = 1;
5881 if(appData.NrFiles >= 0) {
5882 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5883 gameInfo.boardWidth = appData.NrFiles;
5885 if(appData.NrRanks >= 0) {
5886 gameInfo.boardHeight = appData.NrRanks;
5888 if(appData.holdingsSize >= 0) {
5889 i = appData.holdingsSize;
5890 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5891 gameInfo.holdingsSize = i;
5893 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5894 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5895 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5897 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5898 if(pawnRow < 1) pawnRow = 1;
5899 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5901 /* User pieceToChar list overrules defaults */
5902 if(appData.pieceToCharTable != NULL)
5903 SetCharTable(pieceToChar, appData.pieceToCharTable);
5905 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5907 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5908 s = (ChessSquare) 0; /* account holding counts in guard band */
5909 for( i=0; i<BOARD_HEIGHT; i++ )
5910 initialPosition[i][j] = s;
5912 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5913 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5914 initialPosition[pawnRow][j] = WhitePawn;
5915 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5916 if(gameInfo.variant == VariantXiangqi) {
5918 initialPosition[pawnRow][j] =
5919 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5920 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5921 initialPosition[2][j] = WhiteCannon;
5922 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5926 if(gameInfo.variant == VariantGrand) {
5927 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5928 initialPosition[0][j] = WhiteRook;
5929 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5932 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5934 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5937 initialPosition[1][j] = WhiteBishop;
5938 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5940 initialPosition[1][j] = WhiteRook;
5941 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5944 if( nrCastlingRights == -1) {
5945 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5946 /* This sets default castling rights from none to normal corners */
5947 /* Variants with other castling rights must set them themselves above */
5948 nrCastlingRights = 6;
5950 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5951 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5952 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5953 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5954 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5955 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5958 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5959 if(gameInfo.variant == VariantGreat) { // promotion commoners
5960 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5961 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5962 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5963 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5965 if( gameInfo.variant == VariantSChess ) {
5966 initialPosition[1][0] = BlackMarshall;
5967 initialPosition[2][0] = BlackAngel;
5968 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5969 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5970 initialPosition[1][1] = initialPosition[2][1] =
5971 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5973 if (appData.debugMode) {
5974 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5976 if(shuffleOpenings) {
5977 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5978 startedFromSetupPosition = TRUE;
5980 if(startedFromPositionFile) {
5981 /* [HGM] loadPos: use PositionFile for every new game */
5982 CopyBoard(initialPosition, filePosition);
5983 for(i=0; i<nrCastlingRights; i++)
5984 initialRights[i] = filePosition[CASTLING][i];
5985 startedFromSetupPosition = TRUE;
5988 CopyBoard(boards[0], initialPosition);
5990 if(oldx != gameInfo.boardWidth ||
5991 oldy != gameInfo.boardHeight ||
5992 oldv != gameInfo.variant ||
5993 oldh != gameInfo.holdingsWidth
5995 InitDrawingSizes(-2 ,0);
5997 oldv = gameInfo.variant;
5999 DrawPosition(TRUE, boards[currentMove]);
6003 SendBoard(cps, moveNum)
6004 ChessProgramState *cps;
6007 char message[MSG_SIZ];
6009 if (cps->useSetboard) {
6010 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6011 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6012 SendToProgram(message, cps);
6018 /* Kludge to set black to move, avoiding the troublesome and now
6019 * deprecated "black" command.
6021 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6022 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6024 SendToProgram("edit\n", cps);
6025 SendToProgram("#\n", cps);
6026 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6027 bp = &boards[moveNum][i][BOARD_LEFT];
6028 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6029 if ((int) *bp < (int) BlackPawn) {
6030 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6032 if(message[0] == '+' || message[0] == '~') {
6033 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6034 PieceToChar((ChessSquare)(DEMOTED *bp)),
6037 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6038 message[1] = BOARD_RGHT - 1 - j + '1';
6039 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6041 SendToProgram(message, cps);
6046 SendToProgram("c\n", cps);
6047 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6048 bp = &boards[moveNum][i][BOARD_LEFT];
6049 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6050 if (((int) *bp != (int) EmptySquare)
6051 && ((int) *bp >= (int) BlackPawn)) {
6052 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6054 if(message[0] == '+' || message[0] == '~') {
6055 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6056 PieceToChar((ChessSquare)(DEMOTED *bp)),
6059 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6060 message[1] = BOARD_RGHT - 1 - j + '1';
6061 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6063 SendToProgram(message, cps);
6068 SendToProgram(".\n", cps);
6070 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6074 DefaultPromoChoice(int white)
6077 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6078 result = WhiteFerz; // no choice
6079 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6080 result= WhiteKing; // in Suicide Q is the last thing we want
6081 else if(gameInfo.variant == VariantSpartan)
6082 result = white ? WhiteQueen : WhiteAngel;
6083 else result = WhiteQueen;
6084 if(!white) result = WHITE_TO_BLACK result;
6088 static int autoQueen; // [HGM] oneclick
6091 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6093 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6094 /* [HGM] add Shogi promotions */
6095 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6100 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6101 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6103 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6104 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6107 piece = boards[currentMove][fromY][fromX];
6108 if(gameInfo.variant == VariantShogi) {
6109 promotionZoneSize = BOARD_HEIGHT/3;
6110 highestPromotingPiece = (int)WhiteFerz;
6111 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6112 promotionZoneSize = 3;
6115 // Treat Lance as Pawn when it is not representing Amazon
6116 if(gameInfo.variant != VariantSuper) {
6117 if(piece == WhiteLance) piece = WhitePawn; else
6118 if(piece == BlackLance) piece = BlackPawn;
6121 // next weed out all moves that do not touch the promotion zone at all
6122 if((int)piece >= BlackPawn) {
6123 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6125 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6127 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6128 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6131 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6133 // weed out mandatory Shogi promotions
6134 if(gameInfo.variant == VariantShogi) {
6135 if(piece >= BlackPawn) {
6136 if(toY == 0 && piece == BlackPawn ||
6137 toY == 0 && piece == BlackQueen ||
6138 toY <= 1 && piece == BlackKnight) {
6143 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6144 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6145 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6152 // weed out obviously illegal Pawn moves
6153 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6154 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6155 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6156 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6157 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6158 // note we are not allowed to test for valid (non-)capture, due to premove
6161 // we either have a choice what to promote to, or (in Shogi) whether to promote
6162 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6163 *promoChoice = PieceToChar(BlackFerz); // no choice
6166 // no sense asking what we must promote to if it is going to explode...
6167 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6168 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6171 // give caller the default choice even if we will not make it
6172 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6173 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6174 if( sweepSelect && gameInfo.variant != VariantGreat
6175 && gameInfo.variant != VariantGrand
6176 && gameInfo.variant != VariantSuper) return FALSE;
6177 if(autoQueen) return FALSE; // predetermined
6179 // suppress promotion popup on illegal moves that are not premoves
6180 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6181 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6182 if(appData.testLegality && !premove) {
6183 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6184 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6185 if(moveType != WhitePromotion && moveType != BlackPromotion)
6193 InPalace(row, column)
6195 { /* [HGM] for Xiangqi */
6196 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6197 column < (BOARD_WIDTH + 4)/2 &&
6198 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6203 PieceForSquare (x, y)
6207 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6210 return boards[currentMove][y][x];
6214 OKToStartUserMove(x, y)
6217 ChessSquare from_piece;
6220 if (matchMode) return FALSE;
6221 if (gameMode == EditPosition) return TRUE;
6223 if (x >= 0 && y >= 0)
6224 from_piece = boards[currentMove][y][x];
6226 from_piece = EmptySquare;
6228 if (from_piece == EmptySquare) return FALSE;
6230 white_piece = (int)from_piece >= (int)WhitePawn &&
6231 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6234 case PlayFromGameFile:
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"));
6263 if (!white_piece && WhiteOnMove(currentMove)) {
6264 DisplayMoveError(_("It is White's turn"));
6267 if (white_piece && !WhiteOnMove(currentMove)) {
6268 DisplayMoveError(_("It is Black's turn"));
6271 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6272 /* Editing correspondence game history */
6273 /* Could disallow this or prompt for confirmation */
6278 case BeginningOfGame:
6279 if (appData.icsActive) return FALSE;
6280 if (!appData.noChessProgram) {
6282 DisplayMoveError(_("You are playing White"));
6289 if (!white_piece && WhiteOnMove(currentMove)) {
6290 DisplayMoveError(_("It is White's turn"));
6293 if (white_piece && !WhiteOnMove(currentMove)) {
6294 DisplayMoveError(_("It is Black's turn"));
6303 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6304 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6305 && gameMode != AnalyzeFile && gameMode != Training) {
6306 DisplayMoveError(_("Displayed position is not current"));
6313 OnlyMove(int *x, int *y, Boolean captures) {
6314 DisambiguateClosure cl;
6315 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6317 case MachinePlaysBlack:
6318 case IcsPlayingWhite:
6319 case BeginningOfGame:
6320 if(!WhiteOnMove(currentMove)) return FALSE;
6322 case MachinePlaysWhite:
6323 case IcsPlayingBlack:
6324 if(WhiteOnMove(currentMove)) return FALSE;
6331 cl.pieceIn = EmptySquare;
6336 cl.promoCharIn = NULLCHAR;
6337 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6338 if( cl.kind == NormalMove ||
6339 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6340 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6341 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6348 if(cl.kind != ImpossibleMove) return FALSE;
6349 cl.pieceIn = EmptySquare;
6354 cl.promoCharIn = NULLCHAR;
6355 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6356 if( cl.kind == NormalMove ||
6357 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6358 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6359 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6364 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6370 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6371 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6372 int lastLoadGameUseList = FALSE;
6373 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6374 ChessMove lastLoadGameStart = EndOfFile;
6377 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6378 int fromX, fromY, toX, toY;
6382 ChessSquare pdown, pup;
6384 /* Check if the user is playing in turn. This is complicated because we
6385 let the user "pick up" a piece before it is his turn. So the piece he
6386 tried to pick up may have been captured by the time he puts it down!
6387 Therefore we use the color the user is supposed to be playing in this
6388 test, not the color of the piece that is currently on the starting
6389 square---except in EditGame mode, where the user is playing both
6390 sides; fortunately there the capture race can't happen. (It can
6391 now happen in IcsExamining mode, but that's just too bad. The user
6392 will get a somewhat confusing message in that case.)
6396 case PlayFromGameFile:
6398 case TwoMachinesPlay:
6402 /* We switched into a game mode where moves are not accepted,
6403 perhaps while the mouse button was down. */
6406 case MachinePlaysWhite:
6407 /* User is moving for Black */
6408 if (WhiteOnMove(currentMove)) {
6409 DisplayMoveError(_("It is White's turn"));
6414 case MachinePlaysBlack:
6415 /* User is moving for White */
6416 if (!WhiteOnMove(currentMove)) {
6417 DisplayMoveError(_("It is Black's turn"));
6424 case BeginningOfGame:
6427 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6428 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6429 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6430 /* User is moving for Black */
6431 if (WhiteOnMove(currentMove)) {
6432 DisplayMoveError(_("It is White's turn"));
6436 /* User is moving for White */
6437 if (!WhiteOnMove(currentMove)) {
6438 DisplayMoveError(_("It is Black's turn"));
6444 case IcsPlayingBlack:
6445 /* User is moving for Black */
6446 if (WhiteOnMove(currentMove)) {
6447 if (!appData.premove) {
6448 DisplayMoveError(_("It is White's turn"));
6449 } else if (toX >= 0 && toY >= 0) {
6452 premoveFromX = fromX;
6453 premoveFromY = fromY;
6454 premovePromoChar = promoChar;
6456 if (appData.debugMode)
6457 fprintf(debugFP, "Got premove: fromX %d,"
6458 "fromY %d, toX %d, toY %d\n",
6459 fromX, fromY, toX, toY);
6465 case IcsPlayingWhite:
6466 /* User is moving for White */
6467 if (!WhiteOnMove(currentMove)) {
6468 if (!appData.premove) {
6469 DisplayMoveError(_("It is Black's turn"));
6470 } else if (toX >= 0 && toY >= 0) {
6473 premoveFromX = fromX;
6474 premoveFromY = fromY;
6475 premovePromoChar = promoChar;
6477 if (appData.debugMode)
6478 fprintf(debugFP, "Got premove: fromX %d,"
6479 "fromY %d, toX %d, toY %d\n",
6480 fromX, fromY, toX, toY);
6490 /* EditPosition, empty square, or different color piece;
6491 click-click move is possible */
6492 if (toX == -2 || toY == -2) {
6493 boards[0][fromY][fromX] = EmptySquare;
6494 DrawPosition(FALSE, boards[currentMove]);
6496 } else if (toX >= 0 && toY >= 0) {
6497 boards[0][toY][toX] = boards[0][fromY][fromX];
6498 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6499 if(boards[0][fromY][0] != EmptySquare) {
6500 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6501 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6504 if(fromX == BOARD_RGHT+1) {
6505 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6506 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6507 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6510 boards[0][fromY][fromX] = EmptySquare;
6511 DrawPosition(FALSE, boards[currentMove]);
6517 if(toX < 0 || toY < 0) return;
6518 pdown = boards[currentMove][fromY][fromX];
6519 pup = boards[currentMove][toY][toX];
6521 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6522 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6523 if( pup != EmptySquare ) return;
6524 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6525 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6526 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6527 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6528 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6529 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6530 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6534 /* [HGM] always test for legality, to get promotion info */
6535 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6536 fromY, fromX, toY, toX, promoChar);
6538 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6540 /* [HGM] but possibly ignore an IllegalMove result */
6541 if (appData.testLegality) {
6542 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6543 DisplayMoveError(_("Illegal move"));
6548 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6551 /* Common tail of UserMoveEvent and DropMenuEvent */
6553 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6555 int fromX, fromY, toX, toY;
6556 /*char*/int promoChar;
6560 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6561 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6562 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6563 if(WhiteOnMove(currentMove)) {
6564 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6566 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6570 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6571 move type in caller when we know the move is a legal promotion */
6572 if(moveType == NormalMove && promoChar)
6573 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6575 /* [HGM] <popupFix> The following if has been moved here from
6576 UserMoveEvent(). Because it seemed to belong here (why not allow
6577 piece drops in training games?), and because it can only be
6578 performed after it is known to what we promote. */
6579 if (gameMode == Training) {
6580 /* compare the move played on the board to the next move in the
6581 * game. If they match, display the move and the opponent's response.
6582 * If they don't match, display an error message.
6586 CopyBoard(testBoard, boards[currentMove]);
6587 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6589 if (CompareBoards(testBoard, boards[currentMove+1])) {
6590 ForwardInner(currentMove+1);
6592 /* Autoplay the opponent's response.
6593 * if appData.animate was TRUE when Training mode was entered,
6594 * the response will be animated.
6596 saveAnimate = appData.animate;
6597 appData.animate = animateTraining;
6598 ForwardInner(currentMove+1);
6599 appData.animate = saveAnimate;
6601 /* check for the end of the game */
6602 if (currentMove >= forwardMostMove) {
6603 gameMode = PlayFromGameFile;
6605 SetTrainingModeOff();
6606 DisplayInformation(_("End of game"));
6609 DisplayError(_("Incorrect move"), 0);
6614 /* Ok, now we know that the move is good, so we can kill
6615 the previous line in Analysis Mode */
6616 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6617 && currentMove < forwardMostMove) {
6618 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6619 else forwardMostMove = currentMove;
6622 /* If we need the chess program but it's dead, restart it */
6623 ResurrectChessProgram();
6625 /* A user move restarts a paused game*/
6629 thinkOutput[0] = NULLCHAR;
6631 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6633 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6634 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6638 if (gameMode == BeginningOfGame) {
6639 if (appData.noChessProgram) {
6640 gameMode = EditGame;
6644 gameMode = MachinePlaysBlack;
6647 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6649 if (first.sendName) {
6650 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6651 SendToProgram(buf, &first);
6658 /* Relay move to ICS or chess engine */
6659 if (appData.icsActive) {
6660 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6661 gameMode == IcsExamining) {
6662 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6663 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6665 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6667 // also send plain move, in case ICS does not understand atomic claims
6668 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6672 if (first.sendTime && (gameMode == BeginningOfGame ||
6673 gameMode == MachinePlaysWhite ||
6674 gameMode == MachinePlaysBlack)) {
6675 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6677 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6678 // [HGM] book: if program might be playing, let it use book
6679 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6680 first.maybeThinking = TRUE;
6681 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6682 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6683 SendBoard(&first, currentMove+1);
6684 } else SendMoveToProgram(forwardMostMove-1, &first);
6685 if (currentMove == cmailOldMove + 1) {
6686 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6690 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6694 if(appData.testLegality)
6695 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6701 if (WhiteOnMove(currentMove)) {
6702 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6704 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6708 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6713 case MachinePlaysBlack:
6714 case MachinePlaysWhite:
6715 /* disable certain menu options while machine is thinking */
6716 SetMachineThinkingEnables();
6723 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6724 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6726 if(bookHit) { // [HGM] book: simulate book reply
6727 static char bookMove[MSG_SIZ]; // a bit generous?
6729 programStats.nodes = programStats.depth = programStats.time =
6730 programStats.score = programStats.got_only_move = 0;
6731 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6733 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6734 strcat(bookMove, bookHit);
6735 HandleMachineMove(bookMove, &first);
6741 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6748 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6749 Markers *m = (Markers *) closure;
6750 if(rf == fromY && ff == fromX)
6751 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6752 || kind == WhiteCapturesEnPassant
6753 || kind == BlackCapturesEnPassant);
6754 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6758 MarkTargetSquares(int clear)
6761 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6762 !appData.testLegality || gameMode == EditPosition) return;
6764 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6767 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6768 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6769 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6771 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6774 DrawPosition(TRUE, NULL);
6778 Explode(Board board, int fromX, int fromY, int toX, int toY)
6780 if(gameInfo.variant == VariantAtomic &&
6781 (board[toY][toX] != EmptySquare || // capture?
6782 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6783 board[fromY][fromX] == BlackPawn )
6785 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6791 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6793 int CanPromote(ChessSquare piece, int y)
6795 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6796 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6797 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6798 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6799 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6800 gameInfo.variant == VariantMakruk) return FALSE;
6801 return (piece == BlackPawn && y == 1 ||
6802 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6803 piece == BlackLance && y == 1 ||
6804 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6807 void LeftClick(ClickType clickType, int xPix, int yPix)
6810 Boolean saveAnimate;
6811 static int second = 0, promotionChoice = 0, clearFlag = 0;
6812 char promoChoice = NULLCHAR;
6815 if(appData.seekGraph && appData.icsActive && loggedOn &&
6816 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6817 SeekGraphClick(clickType, xPix, yPix, 0);
6821 if (clickType == Press) ErrorPopDown();
6823 x = EventToSquare(xPix, BOARD_WIDTH);
6824 y = EventToSquare(yPix, BOARD_HEIGHT);
6825 if (!flipView && y >= 0) {
6826 y = BOARD_HEIGHT - 1 - y;
6828 if (flipView && x >= 0) {
6829 x = BOARD_WIDTH - 1 - x;
6832 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6833 defaultPromoChoice = promoSweep;
6834 promoSweep = EmptySquare; // terminate sweep
6835 promoDefaultAltered = TRUE;
6836 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6839 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6840 if(clickType == Release) return; // ignore upclick of click-click destination
6841 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6842 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6843 if(gameInfo.holdingsWidth &&
6844 (WhiteOnMove(currentMove)
6845 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6846 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6847 // click in right holdings, for determining promotion piece
6848 ChessSquare p = boards[currentMove][y][x];
6849 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6850 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6851 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6852 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6857 DrawPosition(FALSE, boards[currentMove]);
6861 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6862 if(clickType == Press
6863 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6864 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6865 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6868 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6869 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6871 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6872 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6873 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6874 defaultPromoChoice = DefaultPromoChoice(side);
6877 autoQueen = appData.alwaysPromoteToQueen;
6881 gatingPiece = EmptySquare;
6882 if (clickType != Press) {
6883 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6884 DragPieceEnd(xPix, yPix); dragging = 0;
6885 DrawPosition(FALSE, NULL);
6889 fromX = x; fromY = y; toX = toY = -1;
6890 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6891 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6892 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6894 if (OKToStartUserMove(fromX, fromY)) {
6896 MarkTargetSquares(0);
6897 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6898 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6899 promoSweep = defaultPromoChoice;
6900 selectFlag = 0; lastX = xPix; lastY = yPix;
6901 Sweep(0); // Pawn that is going to promote: preview promotion piece
6902 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6904 if (appData.highlightDragging) {
6905 SetHighlights(fromX, fromY, -1, -1);
6907 } else fromX = fromY = -1;
6913 if (clickType == Press && gameMode != EditPosition) {
6918 // ignore off-board to clicks
6919 if(y < 0 || x < 0) return;
6921 /* Check if clicking again on the same color piece */
6922 fromP = boards[currentMove][fromY][fromX];
6923 toP = boards[currentMove][y][x];
6924 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6925 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6926 WhitePawn <= toP && toP <= WhiteKing &&
6927 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6928 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6929 (BlackPawn <= fromP && fromP <= BlackKing &&
6930 BlackPawn <= toP && toP <= BlackKing &&
6931 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6932 !(fromP == BlackKing && toP == BlackRook && frc))) {
6933 /* Clicked again on same color piece -- changed his mind */
6934 second = (x == fromX && y == fromY);
6935 promoDefaultAltered = FALSE;
6936 MarkTargetSquares(1);
6937 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6938 if (appData.highlightDragging) {
6939 SetHighlights(x, y, -1, -1);
6943 if (OKToStartUserMove(x, y)) {
6944 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6945 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6946 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6947 gatingPiece = boards[currentMove][fromY][fromX];
6948 else gatingPiece = EmptySquare;
6950 fromY = y; dragging = 1;
6951 MarkTargetSquares(0);
6952 DragPieceBegin(xPix, yPix, FALSE);
6953 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6954 promoSweep = defaultPromoChoice;
6955 selectFlag = 0; lastX = xPix; lastY = yPix;
6956 Sweep(0); // Pawn that is going to promote: preview promotion piece
6960 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6963 // ignore clicks on holdings
6964 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6967 if (clickType == Release && x == fromX && y == fromY) {
6968 DragPieceEnd(xPix, yPix); dragging = 0;
6970 // a deferred attempt to click-click move an empty square on top of a piece
6971 boards[currentMove][y][x] = EmptySquare;
6973 DrawPosition(FALSE, boards[currentMove]);
6974 fromX = fromY = -1; clearFlag = 0;
6977 if (appData.animateDragging) {
6978 /* Undo animation damage if any */
6979 DrawPosition(FALSE, NULL);
6982 /* Second up/down in same square; just abort move */
6985 gatingPiece = EmptySquare;
6988 ClearPremoveHighlights();
6990 /* First upclick in same square; start click-click mode */
6991 SetHighlights(x, y, -1, -1);
6998 /* we now have a different from- and (possibly off-board) to-square */
6999 /* Completed move */
7002 saveAnimate = appData.animate;
7003 MarkTargetSquares(1);
7004 if (clickType == Press) {
7005 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7006 // must be Edit Position mode with empty-square selected
7007 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7008 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7011 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7012 ChessSquare piece = boards[currentMove][fromY][fromX];
7013 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7014 promoSweep = defaultPromoChoice;
7015 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7016 selectFlag = 0; lastX = xPix; lastY = yPix;
7017 Sweep(0); // Pawn that is going to promote: preview promotion piece
7018 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7019 DrawPosition(FALSE, boards[currentMove]);
7022 /* Finish clickclick move */
7023 if (appData.animate || appData.highlightLastMove) {
7024 SetHighlights(fromX, fromY, toX, toY);
7029 /* Finish drag move */
7030 if (appData.highlightLastMove) {
7031 SetHighlights(fromX, fromY, toX, toY);
7035 DragPieceEnd(xPix, yPix); dragging = 0;
7036 /* Don't animate move and drag both */
7037 appData.animate = FALSE;
7040 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7041 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7042 ChessSquare piece = boards[currentMove][fromY][fromX];
7043 if(gameMode == EditPosition && piece != EmptySquare &&
7044 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7047 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7048 n = PieceToNumber(piece - (int)BlackPawn);
7049 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7050 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7051 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7053 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7054 n = PieceToNumber(piece);
7055 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7056 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7057 boards[currentMove][n][BOARD_WIDTH-2]++;
7059 boards[currentMove][fromY][fromX] = EmptySquare;
7063 DrawPosition(TRUE, boards[currentMove]);
7067 // off-board moves should not be highlighted
7068 if(x < 0 || y < 0) ClearHighlights();
7070 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7072 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7073 SetHighlights(fromX, fromY, toX, toY);
7074 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7075 // [HGM] super: promotion to captured piece selected from holdings
7076 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7077 promotionChoice = TRUE;
7078 // kludge follows to temporarily execute move on display, without promoting yet
7079 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7080 boards[currentMove][toY][toX] = p;
7081 DrawPosition(FALSE, boards[currentMove]);
7082 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7083 boards[currentMove][toY][toX] = q;
7084 DisplayMessage("Click in holdings to choose piece", "");
7089 int oldMove = currentMove;
7090 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7091 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7092 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7093 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7094 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7095 DrawPosition(TRUE, boards[currentMove]);
7098 appData.animate = saveAnimate;
7099 if (appData.animate || appData.animateDragging) {
7100 /* Undo animation damage if needed */
7101 DrawPosition(FALSE, NULL);
7105 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7106 { // front-end-free part taken out of PieceMenuPopup
7107 int whichMenu; int xSqr, ySqr;
7109 if(seekGraphUp) { // [HGM] seekgraph
7110 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7111 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7115 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7116 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7117 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7118 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7119 if(action == Press) {
7120 originalFlip = flipView;
7121 flipView = !flipView; // temporarily flip board to see game from partners perspective
7122 DrawPosition(TRUE, partnerBoard);
7123 DisplayMessage(partnerStatus, "");
7125 } else if(action == Release) {
7126 flipView = originalFlip;
7127 DrawPosition(TRUE, boards[currentMove]);
7133 xSqr = EventToSquare(x, BOARD_WIDTH);
7134 ySqr = EventToSquare(y, BOARD_HEIGHT);
7135 if (action == Release) {
7136 if(pieceSweep != EmptySquare) {
7137 EditPositionMenuEvent(pieceSweep, toX, toY);
7138 pieceSweep = EmptySquare;
7139 } else UnLoadPV(); // [HGM] pv
7141 if (action != Press) return -2; // return code to be ignored
7144 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7146 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7147 if (xSqr < 0 || ySqr < 0) return -1;
7148 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7149 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7150 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7151 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7155 if(!appData.icsEngineAnalyze) return -1;
7156 case IcsPlayingWhite:
7157 case IcsPlayingBlack:
7158 if(!appData.zippyPlay) goto noZip;
7161 case MachinePlaysWhite:
7162 case MachinePlaysBlack:
7163 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7164 if (!appData.dropMenu) {
7166 return 2; // flag front-end to grab mouse events
7168 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7169 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7172 if (xSqr < 0 || ySqr < 0) return -1;
7173 if (!appData.dropMenu || appData.testLegality &&
7174 gameInfo.variant != VariantBughouse &&
7175 gameInfo.variant != VariantCrazyhouse) return -1;
7176 whichMenu = 1; // drop menu
7182 if (((*fromX = xSqr) < 0) ||
7183 ((*fromY = ySqr) < 0)) {
7184 *fromX = *fromY = -1;
7188 *fromX = BOARD_WIDTH - 1 - *fromX;
7190 *fromY = BOARD_HEIGHT - 1 - *fromY;
7195 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7197 // char * hint = lastHint;
7198 FrontEndProgramStats stats;
7200 stats.which = cps == &first ? 0 : 1;
7201 stats.depth = cpstats->depth;
7202 stats.nodes = cpstats->nodes;
7203 stats.score = cpstats->score;
7204 stats.time = cpstats->time;
7205 stats.pv = cpstats->movelist;
7206 stats.hint = lastHint;
7207 stats.an_move_index = 0;
7208 stats.an_move_count = 0;
7210 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7211 stats.hint = cpstats->move_name;
7212 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7213 stats.an_move_count = cpstats->nr_moves;
7216 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
7218 SetProgramStats( &stats );
7222 ClearEngineOutputPane(int which)
7224 static FrontEndProgramStats dummyStats;
7225 dummyStats.which = which;
7226 dummyStats.pv = "#";
7227 SetProgramStats( &dummyStats );
7230 #define MAXPLAYERS 500
7233 TourneyStandings(int display)
7235 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7236 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7237 char result, *p, *names[MAXPLAYERS];
7239 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7240 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7241 names[0] = p = strdup(appData.participants);
7242 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7244 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7246 while(result = appData.results[nr]) {
7247 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7248 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7249 wScore = bScore = 0;
7251 case '+': wScore = 2; break;
7252 case '-': bScore = 2; break;
7253 case '=': wScore = bScore = 1; break;
7255 case '*': return strdup("busy"); // tourney not finished
7263 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7264 for(w=0; w<nPlayers; w++) {
7266 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7267 ranking[w] = b; points[w] = bScore; score[b] = -2;
7269 p = malloc(nPlayers*34+1);
7270 for(w=0; w<nPlayers && w<display; w++)
7271 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7277 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7278 { // count all piece types
7280 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7281 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7282 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7285 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7286 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7287 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7288 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7289 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7290 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7295 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7297 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7298 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7300 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7301 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7302 if(myPawns == 2 && nMine == 3) // KPP
7303 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7304 if(myPawns == 1 && nMine == 2) // KP
7305 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7306 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7307 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7308 if(myPawns) return FALSE;
7309 if(pCnt[WhiteRook+side])
7310 return pCnt[BlackRook-side] ||
7311 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7312 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7313 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7314 if(pCnt[WhiteCannon+side]) {
7315 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7316 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7318 if(pCnt[WhiteKnight+side])
7319 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7324 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7326 VariantClass v = gameInfo.variant;
7328 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7329 if(v == VariantShatranj) return TRUE; // always winnable through baring
7330 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7331 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7333 if(v == VariantXiangqi) {
7334 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7336 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7337 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7338 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7339 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7340 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7341 if(stale) // we have at least one last-rank P plus perhaps C
7342 return majors // KPKX
7343 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7345 return pCnt[WhiteFerz+side] // KCAK
7346 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7347 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7348 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7350 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7351 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7353 if(nMine == 1) return FALSE; // bare King
7354 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
7355 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7356 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7357 // by now we have King + 1 piece (or multiple Bishops on the same color)
7358 if(pCnt[WhiteKnight+side])
7359 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7360 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7361 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7363 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7364 if(pCnt[WhiteAlfil+side])
7365 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7366 if(pCnt[WhiteWazir+side])
7367 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7374 Adjudicate(ChessProgramState *cps)
7375 { // [HGM] some adjudications useful with buggy engines
7376 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7377 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7378 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7379 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7380 int k, count = 0; static int bare = 1;
7381 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7382 Boolean canAdjudicate = !appData.icsActive;
7384 // most tests only when we understand the game, i.e. legality-checking on
7385 if( appData.testLegality )
7386 { /* [HGM] Some more adjudications for obstinate engines */
7387 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7388 static int moveCount = 6;
7390 char *reason = NULL;
7392 /* Count what is on board. */
7393 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7395 /* Some material-based adjudications that have to be made before stalemate test */
7396 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7397 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7398 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7399 if(canAdjudicate && appData.checkMates) {
7401 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7402 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7403 "Xboard adjudication: King destroyed", GE_XBOARD );
7408 /* Bare King in Shatranj (loses) or Losers (wins) */
7409 if( nrW == 1 || nrB == 1) {
7410 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7411 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7412 if(canAdjudicate && appData.checkMates) {
7414 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7415 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7416 "Xboard adjudication: Bare king", GE_XBOARD );
7420 if( gameInfo.variant == VariantShatranj && --bare < 0)
7422 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7423 if(canAdjudicate && appData.checkMates) {
7424 /* but only adjudicate if adjudication enabled */
7426 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7427 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7428 "Xboard adjudication: Bare king", GE_XBOARD );
7435 // don't wait for engine to announce game end if we can judge ourselves
7436 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7438 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7439 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7440 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7441 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7444 reason = "Xboard adjudication: 3rd check";
7445 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7455 reason = "Xboard adjudication: Stalemate";
7456 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7457 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7458 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7459 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7460 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7461 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7462 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7463 EP_CHECKMATE : EP_WINS);
7464 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7465 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7469 reason = "Xboard adjudication: Checkmate";
7470 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7474 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7476 result = GameIsDrawn; break;
7478 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7480 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7484 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7486 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7487 GameEnds( result, reason, GE_XBOARD );
7491 /* Next absolutely insufficient mating material. */
7492 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7493 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7494 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7496 /* always flag draws, for judging claims */
7497 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7499 if(canAdjudicate && appData.materialDraws) {
7500 /* but only adjudicate them if adjudication enabled */
7501 if(engineOpponent) {
7502 SendToProgram("force\n", engineOpponent); // suppress reply
7503 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7505 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7510 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7511 if(gameInfo.variant == VariantXiangqi ?
7512 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7514 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7515 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7516 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7517 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7519 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7520 { /* if the first 3 moves do not show a tactical win, declare draw */
7521 if(engineOpponent) {
7522 SendToProgram("force\n", engineOpponent); // suppress reply
7523 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7525 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7528 } else moveCount = 6;
7530 if (appData.debugMode) { int i;
7531 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7532 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7533 appData.drawRepeats);
7534 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7535 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7539 // Repetition draws and 50-move rule can be applied independently of legality testing
7541 /* Check for rep-draws */
7543 for(k = forwardMostMove-2;
7544 k>=backwardMostMove && k>=forwardMostMove-100 &&
7545 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7546 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7549 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7550 /* compare castling rights */
7551 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7552 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7553 rights++; /* King lost rights, while rook still had them */
7554 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7555 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7556 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7557 rights++; /* but at least one rook lost them */
7559 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7560 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7562 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7563 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7564 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7567 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7568 && appData.drawRepeats > 1) {
7569 /* adjudicate after user-specified nr of repeats */
7570 int result = GameIsDrawn;
7571 char *details = "XBoard adjudication: repetition draw";
7572 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7573 // [HGM] xiangqi: check for forbidden perpetuals
7574 int m, ourPerpetual = 1, hisPerpetual = 1;
7575 for(m=forwardMostMove; m>k; m-=2) {
7576 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7577 ourPerpetual = 0; // the current mover did not always check
7578 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7579 hisPerpetual = 0; // the opponent did not always check
7581 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7582 ourPerpetual, hisPerpetual);
7583 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7584 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7585 details = "Xboard adjudication: perpetual checking";
7587 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7588 break; // (or we would have caught him before). Abort repetition-checking loop.
7590 // Now check for perpetual chases
7591 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7592 hisPerpetual = PerpetualChase(k, forwardMostMove);
7593 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7594 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7595 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7596 details = "Xboard adjudication: perpetual chasing";
7598 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7599 break; // Abort repetition-checking loop.
7601 // if neither of us is checking or chasing all the time, or both are, it is draw
7603 if(engineOpponent) {
7604 SendToProgram("force\n", engineOpponent); // suppress reply
7605 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7607 GameEnds( result, details, GE_XBOARD );
7610 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7611 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7615 /* Now we test for 50-move draws. Determine ply count */
7616 count = forwardMostMove;
7617 /* look for last irreversble move */
7618 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7620 /* if we hit starting position, add initial plies */
7621 if( count == backwardMostMove )
7622 count -= initialRulePlies;
7623 count = forwardMostMove - count;
7624 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7625 // adjust reversible move counter for checks in Xiangqi
7626 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7627 if(i < backwardMostMove) i = backwardMostMove;
7628 while(i <= forwardMostMove) {
7629 lastCheck = inCheck; // check evasion does not count
7630 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7631 if(inCheck || lastCheck) count--; // check does not count
7636 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7637 /* this is used to judge if draw claims are legal */
7638 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7639 if(engineOpponent) {
7640 SendToProgram("force\n", engineOpponent); // suppress reply
7641 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7643 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7647 /* if draw offer is pending, treat it as a draw claim
7648 * when draw condition present, to allow engines a way to
7649 * claim draws before making their move to avoid a race
7650 * condition occurring after their move
7652 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7654 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7655 p = "Draw claim: 50-move rule";
7656 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7657 p = "Draw claim: 3-fold repetition";
7658 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7659 p = "Draw claim: insufficient mating material";
7660 if( p != NULL && canAdjudicate) {
7661 if(engineOpponent) {
7662 SendToProgram("force\n", engineOpponent); // suppress reply
7663 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7665 GameEnds( GameIsDrawn, p, GE_XBOARD );
7670 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7671 if(engineOpponent) {
7672 SendToProgram("force\n", engineOpponent); // suppress reply
7673 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7675 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7681 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7682 { // [HGM] book: this routine intercepts moves to simulate book replies
7683 char *bookHit = NULL;
7685 //first determine if the incoming move brings opponent into his book
7686 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7687 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7688 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7689 if(bookHit != NULL && !cps->bookSuspend) {
7690 // make sure opponent is not going to reply after receiving move to book position
7691 SendToProgram("force\n", cps);
7692 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7694 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7695 // now arrange restart after book miss
7697 // after a book hit we never send 'go', and the code after the call to this routine
7698 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7699 char buf[MSG_SIZ], *move = bookHit;
7701 int fromX, fromY, toX, toY;
7705 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7706 &fromX, &fromY, &toX, &toY, &promoChar)) {
7707 (void) CoordsToAlgebraic(boards[forwardMostMove],
7708 PosFlags(forwardMostMove),
7709 fromY, fromX, toY, toX, promoChar, move);
7711 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7715 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7716 SendToProgram(buf, cps);
7717 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7718 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7719 SendToProgram("go\n", cps);
7720 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7721 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7722 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7723 SendToProgram("go\n", cps);
7724 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7726 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7730 ChessProgramState *savedState;
7731 void DeferredBookMove(void)
7733 if(savedState->lastPing != savedState->lastPong)
7734 ScheduleDelayedEvent(DeferredBookMove, 10);
7736 HandleMachineMove(savedMessage, savedState);
7739 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7742 HandleMachineMove(message, cps)
7744 ChessProgramState *cps;
7746 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7747 char realname[MSG_SIZ];
7748 int fromX, fromY, toX, toY;
7755 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7756 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7757 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7758 DisplayError(_("Invalid pairing from pairing engine"), 0);
7761 pairingReceived = 1;
7763 return; // Skim the pairing messages here.
7768 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7770 * Kludge to ignore BEL characters
7772 while (*message == '\007') message++;
7775 * [HGM] engine debug message: ignore lines starting with '#' character
7777 if(cps->debug && *message == '#') return;
7780 * Look for book output
7782 if (cps == &first && bookRequested) {
7783 if (message[0] == '\t' || message[0] == ' ') {
7784 /* Part of the book output is here; append it */
7785 strcat(bookOutput, message);
7786 strcat(bookOutput, " \n");
7788 } else if (bookOutput[0] != NULLCHAR) {
7789 /* All of book output has arrived; display it */
7790 char *p = bookOutput;
7791 while (*p != NULLCHAR) {
7792 if (*p == '\t') *p = ' ';
7795 DisplayInformation(bookOutput);
7796 bookRequested = FALSE;
7797 /* Fall through to parse the current output */
7802 * Look for machine move.
7804 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7805 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7807 /* This method is only useful on engines that support ping */
7808 if (cps->lastPing != cps->lastPong) {
7809 if (gameMode == BeginningOfGame) {
7810 /* Extra move from before last new; ignore */
7811 if (appData.debugMode) {
7812 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7815 if (appData.debugMode) {
7816 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7817 cps->which, gameMode);
7820 SendToProgram("undo\n", cps);
7826 case BeginningOfGame:
7827 /* Extra move from before last reset; ignore */
7828 if (appData.debugMode) {
7829 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7836 /* Extra move after we tried to stop. The mode test is
7837 not a reliable way of detecting this problem, but it's
7838 the best we can do on engines that don't support ping.
7840 if (appData.debugMode) {
7841 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7842 cps->which, gameMode);
7844 SendToProgram("undo\n", cps);
7847 case MachinePlaysWhite:
7848 case IcsPlayingWhite:
7849 machineWhite = TRUE;
7852 case MachinePlaysBlack:
7853 case IcsPlayingBlack:
7854 machineWhite = FALSE;
7857 case TwoMachinesPlay:
7858 machineWhite = (cps->twoMachinesColor[0] == 'w');
7861 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7862 if (appData.debugMode) {
7864 "Ignoring move out of turn by %s, gameMode %d"
7865 ", forwardMost %d\n",
7866 cps->which, gameMode, forwardMostMove);
7871 if (appData.debugMode) { int f = forwardMostMove;
7872 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7873 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7874 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7876 if(cps->alphaRank) AlphaRank(machineMove, 4);
7877 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7878 &fromX, &fromY, &toX, &toY, &promoChar)) {
7879 /* Machine move could not be parsed; ignore it. */
7880 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7881 machineMove, _(cps->which));
7882 DisplayError(buf1, 0);
7883 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7884 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7885 if (gameMode == TwoMachinesPlay) {
7886 GameEnds(machineWhite ? BlackWins : WhiteWins,
7892 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7893 /* So we have to redo legality test with true e.p. status here, */
7894 /* to make sure an illegal e.p. capture does not slip through, */
7895 /* to cause a forfeit on a justified illegal-move complaint */
7896 /* of the opponent. */
7897 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7899 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7900 fromY, fromX, toY, toX, promoChar);
7901 if (appData.debugMode) {
7903 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7904 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7905 fprintf(debugFP, "castling rights\n");
7907 if(moveType == IllegalMove) {
7908 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7909 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7910 GameEnds(machineWhite ? BlackWins : WhiteWins,
7913 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7914 /* [HGM] Kludge to handle engines that send FRC-style castling
7915 when they shouldn't (like TSCP-Gothic) */
7917 case WhiteASideCastleFR:
7918 case BlackASideCastleFR:
7920 currentMoveString[2]++;
7922 case WhiteHSideCastleFR:
7923 case BlackHSideCastleFR:
7925 currentMoveString[2]--;
7927 default: ; // nothing to do, but suppresses warning of pedantic compilers
7930 hintRequested = FALSE;
7931 lastHint[0] = NULLCHAR;
7932 bookRequested = FALSE;
7933 /* Program may be pondering now */
7934 cps->maybeThinking = TRUE;
7935 if (cps->sendTime == 2) cps->sendTime = 1;
7936 if (cps->offeredDraw) cps->offeredDraw--;
7938 /* [AS] Save move info*/
7939 pvInfoList[ forwardMostMove ].score = programStats.score;
7940 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7941 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7943 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7945 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7946 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7949 while( count < adjudicateLossPlies ) {
7950 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7953 score = -score; /* Flip score for winning side */
7956 if( score > adjudicateLossThreshold ) {
7963 if( count >= adjudicateLossPlies ) {
7964 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7966 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7967 "Xboard adjudication",
7974 if(Adjudicate(cps)) {
7975 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7976 return; // [HGM] adjudicate: for all automatic game ends
7980 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7982 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7983 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7985 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7987 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7989 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7990 char buf[3*MSG_SIZ];
7992 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7993 programStats.score / 100.,
7995 programStats.time / 100.,
7996 (unsigned int)programStats.nodes,
7997 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7998 programStats.movelist);
8000 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8005 /* [AS] Clear stats for next move */
8006 ClearProgramStats();
8007 thinkOutput[0] = NULLCHAR;
8008 hiddenThinkOutputState = 0;
8011 if (gameMode == TwoMachinesPlay) {
8012 /* [HGM] relaying draw offers moved to after reception of move */
8013 /* and interpreting offer as claim if it brings draw condition */
8014 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8015 SendToProgram("draw\n", cps->other);
8017 if (cps->other->sendTime) {
8018 SendTimeRemaining(cps->other,
8019 cps->other->twoMachinesColor[0] == 'w');
8021 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8022 if (firstMove && !bookHit) {
8024 if (cps->other->useColors) {
8025 SendToProgram(cps->other->twoMachinesColor, cps->other);
8027 SendToProgram("go\n", cps->other);
8029 cps->other->maybeThinking = TRUE;
8032 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8034 if (!pausing && appData.ringBellAfterMoves) {
8039 * Reenable menu items that were disabled while
8040 * machine was thinking
8042 if (gameMode != TwoMachinesPlay)
8043 SetUserThinkingEnables();
8045 // [HGM] book: after book hit opponent has received move and is now in force mode
8046 // force the book reply into it, and then fake that it outputted this move by jumping
8047 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8049 static char bookMove[MSG_SIZ]; // a bit generous?
8051 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8052 strcat(bookMove, bookHit);
8055 programStats.nodes = programStats.depth = programStats.time =
8056 programStats.score = programStats.got_only_move = 0;
8057 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8059 if(cps->lastPing != cps->lastPong) {
8060 savedMessage = message; // args for deferred call
8062 ScheduleDelayedEvent(DeferredBookMove, 10);
8071 /* Set special modes for chess engines. Later something general
8072 * could be added here; for now there is just one kludge feature,
8073 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8074 * when "xboard" is given as an interactive command.
8076 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8077 cps->useSigint = FALSE;
8078 cps->useSigterm = FALSE;
8080 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8081 ParseFeatures(message+8, cps);
8082 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8085 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8086 int dummy, s=6; char buf[MSG_SIZ];
8087 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8088 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8089 ParseFEN(boards[0], &dummy, message+s);
8090 DrawPosition(TRUE, boards[0]);
8091 startedFromSetupPosition = TRUE;
8094 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8095 * want this, I was asked to put it in, and obliged.
8097 if (!strncmp(message, "setboard ", 9)) {
8098 Board initial_position;
8100 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8102 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8103 DisplayError(_("Bad FEN received from engine"), 0);
8107 CopyBoard(boards[0], initial_position);
8108 initialRulePlies = FENrulePlies;
8109 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8110 else gameMode = MachinePlaysBlack;
8111 DrawPosition(FALSE, boards[currentMove]);
8117 * Look for communication commands
8119 if (!strncmp(message, "telluser ", 9)) {
8120 if(message[9] == '\\' && message[10] == '\\')
8121 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8123 DisplayNote(message + 9);
8126 if (!strncmp(message, "tellusererror ", 14)) {
8128 if(message[14] == '\\' && message[15] == '\\')
8129 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8131 DisplayError(message + 14, 0);
8134 if (!strncmp(message, "tellopponent ", 13)) {
8135 if (appData.icsActive) {
8137 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8141 DisplayNote(message + 13);
8145 if (!strncmp(message, "tellothers ", 11)) {
8146 if (appData.icsActive) {
8148 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8154 if (!strncmp(message, "tellall ", 8)) {
8155 if (appData.icsActive) {
8157 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8161 DisplayNote(message + 8);
8165 if (strncmp(message, "warning", 7) == 0) {
8166 /* Undocumented feature, use tellusererror in new code */
8167 DisplayError(message, 0);
8170 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8171 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8172 strcat(realname, " query");
8173 AskQuestion(realname, buf2, buf1, cps->pr);
8176 /* Commands from the engine directly to ICS. We don't allow these to be
8177 * sent until we are logged on. Crafty kibitzes have been known to
8178 * interfere with the login process.
8181 if (!strncmp(message, "tellics ", 8)) {
8182 SendToICS(message + 8);
8186 if (!strncmp(message, "tellicsnoalias ", 15)) {
8187 SendToICS(ics_prefix);
8188 SendToICS(message + 15);
8192 /* The following are for backward compatibility only */
8193 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8194 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8195 SendToICS(ics_prefix);
8201 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8205 * If the move is illegal, cancel it and redraw the board.
8206 * Also deal with other error cases. Matching is rather loose
8207 * here to accommodate engines written before the spec.
8209 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8210 strncmp(message, "Error", 5) == 0) {
8211 if (StrStr(message, "name") ||
8212 StrStr(message, "rating") || StrStr(message, "?") ||
8213 StrStr(message, "result") || StrStr(message, "board") ||
8214 StrStr(message, "bk") || StrStr(message, "computer") ||
8215 StrStr(message, "variant") || StrStr(message, "hint") ||
8216 StrStr(message, "random") || StrStr(message, "depth") ||
8217 StrStr(message, "accepted")) {
8220 if (StrStr(message, "protover")) {
8221 /* Program is responding to input, so it's apparently done
8222 initializing, and this error message indicates it is
8223 protocol version 1. So we don't need to wait any longer
8224 for it to initialize and send feature commands. */
8225 FeatureDone(cps, 1);
8226 cps->protocolVersion = 1;
8229 cps->maybeThinking = FALSE;
8231 if (StrStr(message, "draw")) {
8232 /* Program doesn't have "draw" command */
8233 cps->sendDrawOffers = 0;
8236 if (cps->sendTime != 1 &&
8237 (StrStr(message, "time") || StrStr(message, "otim"))) {
8238 /* Program apparently doesn't have "time" or "otim" command */
8242 if (StrStr(message, "analyze")) {
8243 cps->analysisSupport = FALSE;
8244 cps->analyzing = FALSE;
8246 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8247 DisplayError(buf2, 0);
8250 if (StrStr(message, "(no matching move)st")) {
8251 /* Special kludge for GNU Chess 4 only */
8252 cps->stKludge = TRUE;
8253 SendTimeControl(cps, movesPerSession, timeControl,
8254 timeIncrement, appData.searchDepth,
8258 if (StrStr(message, "(no matching move)sd")) {
8259 /* Special kludge for GNU Chess 4 only */
8260 cps->sdKludge = TRUE;
8261 SendTimeControl(cps, movesPerSession, timeControl,
8262 timeIncrement, appData.searchDepth,
8266 if (!StrStr(message, "llegal")) {
8269 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8270 gameMode == IcsIdle) return;
8271 if (forwardMostMove <= backwardMostMove) return;
8272 if (pausing) PauseEvent();
8273 if(appData.forceIllegal) {
8274 // [HGM] illegal: machine refused move; force position after move into it
8275 SendToProgram("force\n", cps);
8276 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8277 // we have a real problem now, as SendBoard will use the a2a3 kludge
8278 // when black is to move, while there might be nothing on a2 or black
8279 // might already have the move. So send the board as if white has the move.
8280 // But first we must change the stm of the engine, as it refused the last move
8281 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8282 if(WhiteOnMove(forwardMostMove)) {
8283 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8284 SendBoard(cps, forwardMostMove); // kludgeless board
8286 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8287 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8288 SendBoard(cps, forwardMostMove+1); // kludgeless board
8290 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8291 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8292 gameMode == TwoMachinesPlay)
8293 SendToProgram("go\n", cps);
8296 if (gameMode == PlayFromGameFile) {
8297 /* Stop reading this game file */
8298 gameMode = EditGame;
8301 /* [HGM] illegal-move claim should forfeit game when Xboard */
8302 /* only passes fully legal moves */
8303 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8304 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8305 "False illegal-move claim", GE_XBOARD );
8306 return; // do not take back move we tested as valid
8308 currentMove = forwardMostMove-1;
8309 DisplayMove(currentMove-1); /* before DisplayMoveError */
8310 SwitchClocks(forwardMostMove-1); // [HGM] race
8311 DisplayBothClocks();
8312 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8313 parseList[currentMove], _(cps->which));
8314 DisplayMoveError(buf1);
8315 DrawPosition(FALSE, boards[currentMove]);
8318 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8319 /* Program has a broken "time" command that
8320 outputs a string not ending in newline.
8326 * If chess program startup fails, exit with an error message.
8327 * Attempts to recover here are futile.
8329 if ((StrStr(message, "unknown host") != NULL)
8330 || (StrStr(message, "No remote directory") != NULL)
8331 || (StrStr(message, "not found") != NULL)
8332 || (StrStr(message, "No such file") != NULL)
8333 || (StrStr(message, "can't alloc") != NULL)
8334 || (StrStr(message, "Permission denied") != NULL)) {
8336 cps->maybeThinking = FALSE;
8337 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8338 _(cps->which), cps->program, cps->host, message);
8339 RemoveInputSource(cps->isr);
8340 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8341 if(cps == &first) appData.noChessProgram = TRUE;
8342 DisplayError(buf1, 0);
8348 * Look for hint output
8350 if (sscanf(message, "Hint: %s", buf1) == 1) {
8351 if (cps == &first && hintRequested) {
8352 hintRequested = FALSE;
8353 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8354 &fromX, &fromY, &toX, &toY, &promoChar)) {
8355 (void) CoordsToAlgebraic(boards[forwardMostMove],
8356 PosFlags(forwardMostMove),
8357 fromY, fromX, toY, toX, promoChar, buf1);
8358 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8359 DisplayInformation(buf2);
8361 /* Hint move could not be parsed!? */
8362 snprintf(buf2, sizeof(buf2),
8363 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8364 buf1, _(cps->which));
8365 DisplayError(buf2, 0);
8368 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8374 * Ignore other messages if game is not in progress
8376 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8377 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8380 * look for win, lose, draw, or draw offer
8382 if (strncmp(message, "1-0", 3) == 0) {
8383 char *p, *q, *r = "";
8384 p = strchr(message, '{');
8392 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8394 } else if (strncmp(message, "0-1", 3) == 0) {
8395 char *p, *q, *r = "";
8396 p = strchr(message, '{');
8404 /* Kludge for Arasan 4.1 bug */
8405 if (strcmp(r, "Black resigns") == 0) {
8406 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8409 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8411 } else if (strncmp(message, "1/2", 3) == 0) {
8412 char *p, *q, *r = "";
8413 p = strchr(message, '{');
8422 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8425 } else if (strncmp(message, "White resign", 12) == 0) {
8426 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8428 } else if (strncmp(message, "Black resign", 12) == 0) {
8429 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8431 } else if (strncmp(message, "White matches", 13) == 0 ||
8432 strncmp(message, "Black matches", 13) == 0 ) {
8433 /* [HGM] ignore GNUShogi noises */
8435 } else if (strncmp(message, "White", 5) == 0 &&
8436 message[5] != '(' &&
8437 StrStr(message, "Black") == NULL) {
8438 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8440 } else if (strncmp(message, "Black", 5) == 0 &&
8441 message[5] != '(') {
8442 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8444 } else if (strcmp(message, "resign") == 0 ||
8445 strcmp(message, "computer resigns") == 0) {
8447 case MachinePlaysBlack:
8448 case IcsPlayingBlack:
8449 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8451 case MachinePlaysWhite:
8452 case IcsPlayingWhite:
8453 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8455 case TwoMachinesPlay:
8456 if (cps->twoMachinesColor[0] == 'w')
8457 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8459 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8466 } else if (strncmp(message, "opponent mates", 14) == 0) {
8468 case MachinePlaysBlack:
8469 case IcsPlayingBlack:
8470 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8472 case MachinePlaysWhite:
8473 case IcsPlayingWhite:
8474 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8476 case TwoMachinesPlay:
8477 if (cps->twoMachinesColor[0] == 'w')
8478 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8480 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8487 } else if (strncmp(message, "computer mates", 14) == 0) {
8489 case MachinePlaysBlack:
8490 case IcsPlayingBlack:
8491 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8493 case MachinePlaysWhite:
8494 case IcsPlayingWhite:
8495 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8497 case TwoMachinesPlay:
8498 if (cps->twoMachinesColor[0] == 'w')
8499 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8501 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8508 } else if (strncmp(message, "checkmate", 9) == 0) {
8509 if (WhiteOnMove(forwardMostMove)) {
8510 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8512 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8515 } else if (strstr(message, "Draw") != NULL ||
8516 strstr(message, "game is a draw") != NULL) {
8517 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8519 } else if (strstr(message, "offer") != NULL &&
8520 strstr(message, "draw") != NULL) {
8522 if (appData.zippyPlay && first.initDone) {
8523 /* Relay offer to ICS */
8524 SendToICS(ics_prefix);
8525 SendToICS("draw\n");
8528 cps->offeredDraw = 2; /* valid until this engine moves twice */
8529 if (gameMode == TwoMachinesPlay) {
8530 if (cps->other->offeredDraw) {
8531 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8532 /* [HGM] in two-machine mode we delay relaying draw offer */
8533 /* until after we also have move, to see if it is really claim */
8535 } else if (gameMode == MachinePlaysWhite ||
8536 gameMode == MachinePlaysBlack) {
8537 if (userOfferedDraw) {
8538 DisplayInformation(_("Machine accepts your draw offer"));
8539 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8541 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8548 * Look for thinking output
8550 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8551 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8553 int plylev, mvleft, mvtot, curscore, time;
8554 char mvname[MOVE_LEN];
8558 int prefixHint = FALSE;
8559 mvname[0] = NULLCHAR;
8562 case MachinePlaysBlack:
8563 case IcsPlayingBlack:
8564 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8566 case MachinePlaysWhite:
8567 case IcsPlayingWhite:
8568 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8573 case IcsObserving: /* [DM] icsEngineAnalyze */
8574 if (!appData.icsEngineAnalyze) ignore = TRUE;
8576 case TwoMachinesPlay:
8577 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8587 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8589 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8590 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8592 if (plyext != ' ' && plyext != '\t') {
8596 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8597 if( cps->scoreIsAbsolute &&
8598 ( gameMode == MachinePlaysBlack ||
8599 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8600 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8601 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8602 !WhiteOnMove(currentMove)
8605 curscore = -curscore;
8608 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8610 tempStats.depth = plylev;
8611 tempStats.nodes = nodes;
8612 tempStats.time = time;
8613 tempStats.score = curscore;
8614 tempStats.got_only_move = 0;
8616 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8619 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8620 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8621 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8622 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8623 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8624 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8625 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8626 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8629 /* Buffer overflow protection */
8630 if (pv[0] != NULLCHAR) {
8631 if (strlen(pv) >= sizeof(tempStats.movelist)
8632 && appData.debugMode) {
8634 "PV is too long; using the first %u bytes.\n",
8635 (unsigned) sizeof(tempStats.movelist) - 1);
8638 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8640 sprintf(tempStats.movelist, " no PV\n");
8643 if (tempStats.seen_stat) {
8644 tempStats.ok_to_send = 1;
8647 if (strchr(tempStats.movelist, '(') != NULL) {
8648 tempStats.line_is_book = 1;
8649 tempStats.nr_moves = 0;
8650 tempStats.moves_left = 0;
8652 tempStats.line_is_book = 0;
8655 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8656 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8658 SendProgramStatsToFrontend( cps, &tempStats );
8661 [AS] Protect the thinkOutput buffer from overflow... this
8662 is only useful if buf1 hasn't overflowed first!
8664 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8666 (gameMode == TwoMachinesPlay ?
8667 ToUpper(cps->twoMachinesColor[0]) : ' '),
8668 ((double) curscore) / 100.0,
8669 prefixHint ? lastHint : "",
8670 prefixHint ? " " : "" );
8672 if( buf1[0] != NULLCHAR ) {
8673 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8675 if( strlen(pv) > max_len ) {
8676 if( appData.debugMode) {
8677 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8679 pv[max_len+1] = '\0';
8682 strcat( thinkOutput, pv);
8685 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8686 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8687 DisplayMove(currentMove - 1);
8691 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8692 /* crafty (9.25+) says "(only move) <move>"
8693 * if there is only 1 legal move
8695 sscanf(p, "(only move) %s", buf1);
8696 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8697 sprintf(programStats.movelist, "%s (only move)", buf1);
8698 programStats.depth = 1;
8699 programStats.nr_moves = 1;
8700 programStats.moves_left = 1;
8701 programStats.nodes = 1;
8702 programStats.time = 1;
8703 programStats.got_only_move = 1;
8705 /* Not really, but we also use this member to
8706 mean "line isn't going to change" (Crafty
8707 isn't searching, so stats won't change) */
8708 programStats.line_is_book = 1;
8710 SendProgramStatsToFrontend( cps, &programStats );
8712 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8713 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8714 DisplayMove(currentMove - 1);
8717 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8718 &time, &nodes, &plylev, &mvleft,
8719 &mvtot, mvname) >= 5) {
8720 /* The stat01: line is from Crafty (9.29+) in response
8721 to the "." command */
8722 programStats.seen_stat = 1;
8723 cps->maybeThinking = TRUE;
8725 if (programStats.got_only_move || !appData.periodicUpdates)
8728 programStats.depth = plylev;
8729 programStats.time = time;
8730 programStats.nodes = nodes;
8731 programStats.moves_left = mvleft;
8732 programStats.nr_moves = mvtot;
8733 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8734 programStats.ok_to_send = 1;
8735 programStats.movelist[0] = '\0';
8737 SendProgramStatsToFrontend( cps, &programStats );
8741 } else if (strncmp(message,"++",2) == 0) {
8742 /* Crafty 9.29+ outputs this */
8743 programStats.got_fail = 2;
8746 } else if (strncmp(message,"--",2) == 0) {
8747 /* Crafty 9.29+ outputs this */
8748 programStats.got_fail = 1;
8751 } else if (thinkOutput[0] != NULLCHAR &&
8752 strncmp(message, " ", 4) == 0) {
8753 unsigned message_len;
8756 while (*p && *p == ' ') p++;
8758 message_len = strlen( p );
8760 /* [AS] Avoid buffer overflow */
8761 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8762 strcat(thinkOutput, " ");
8763 strcat(thinkOutput, p);
8766 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8767 strcat(programStats.movelist, " ");
8768 strcat(programStats.movelist, p);
8771 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8772 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8773 DisplayMove(currentMove - 1);
8781 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8782 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8784 ChessProgramStats cpstats;
8786 if (plyext != ' ' && plyext != '\t') {
8790 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8791 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8792 curscore = -curscore;
8795 cpstats.depth = plylev;
8796 cpstats.nodes = nodes;
8797 cpstats.time = time;
8798 cpstats.score = curscore;
8799 cpstats.got_only_move = 0;
8800 cpstats.movelist[0] = '\0';
8802 if (buf1[0] != NULLCHAR) {
8803 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8806 cpstats.ok_to_send = 0;
8807 cpstats.line_is_book = 0;
8808 cpstats.nr_moves = 0;
8809 cpstats.moves_left = 0;
8811 SendProgramStatsToFrontend( cps, &cpstats );
8818 /* Parse a game score from the character string "game", and
8819 record it as the history of the current game. The game
8820 score is NOT assumed to start from the standard position.
8821 The display is not updated in any way.
8824 ParseGameHistory(game)
8828 int fromX, fromY, toX, toY, boardIndex;
8833 if (appData.debugMode)
8834 fprintf(debugFP, "Parsing game history: %s\n", game);
8836 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8837 gameInfo.site = StrSave(appData.icsHost);
8838 gameInfo.date = PGNDate();
8839 gameInfo.round = StrSave("-");
8841 /* Parse out names of players */
8842 while (*game == ' ') game++;
8844 while (*game != ' ') *p++ = *game++;
8846 gameInfo.white = StrSave(buf);
8847 while (*game == ' ') game++;
8849 while (*game != ' ' && *game != '\n') *p++ = *game++;
8851 gameInfo.black = StrSave(buf);
8854 boardIndex = blackPlaysFirst ? 1 : 0;
8857 yyboardindex = boardIndex;
8858 moveType = (ChessMove) Myylex();
8860 case IllegalMove: /* maybe suicide chess, etc. */
8861 if (appData.debugMode) {
8862 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8863 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8864 setbuf(debugFP, NULL);
8866 case WhitePromotion:
8867 case BlackPromotion:
8868 case WhiteNonPromotion:
8869 case BlackNonPromotion:
8871 case WhiteCapturesEnPassant:
8872 case BlackCapturesEnPassant:
8873 case WhiteKingSideCastle:
8874 case WhiteQueenSideCastle:
8875 case BlackKingSideCastle:
8876 case BlackQueenSideCastle:
8877 case WhiteKingSideCastleWild:
8878 case WhiteQueenSideCastleWild:
8879 case BlackKingSideCastleWild:
8880 case BlackQueenSideCastleWild:
8882 case WhiteHSideCastleFR:
8883 case WhiteASideCastleFR:
8884 case BlackHSideCastleFR:
8885 case BlackASideCastleFR:
8887 fromX = currentMoveString[0] - AAA;
8888 fromY = currentMoveString[1] - ONE;
8889 toX = currentMoveString[2] - AAA;
8890 toY = currentMoveString[3] - ONE;
8891 promoChar = currentMoveString[4];
8895 fromX = moveType == WhiteDrop ?
8896 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8897 (int) CharToPiece(ToLower(currentMoveString[0]));
8899 toX = currentMoveString[2] - AAA;
8900 toY = currentMoveString[3] - ONE;
8901 promoChar = NULLCHAR;
8905 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8906 if (appData.debugMode) {
8907 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8908 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8909 setbuf(debugFP, NULL);
8911 DisplayError(buf, 0);
8913 case ImpossibleMove:
8915 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8916 if (appData.debugMode) {
8917 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8918 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8919 setbuf(debugFP, NULL);
8921 DisplayError(buf, 0);
8924 if (boardIndex < backwardMostMove) {
8925 /* Oops, gap. How did that happen? */
8926 DisplayError(_("Gap in move list"), 0);
8929 backwardMostMove = blackPlaysFirst ? 1 : 0;
8930 if (boardIndex > forwardMostMove) {
8931 forwardMostMove = boardIndex;
8935 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8936 strcat(parseList[boardIndex-1], " ");
8937 strcat(parseList[boardIndex-1], yy_text);
8949 case GameUnfinished:
8950 if (gameMode == IcsExamining) {
8951 if (boardIndex < backwardMostMove) {
8952 /* Oops, gap. How did that happen? */
8955 backwardMostMove = blackPlaysFirst ? 1 : 0;
8958 gameInfo.result = moveType;
8959 p = strchr(yy_text, '{');
8960 if (p == NULL) p = strchr(yy_text, '(');
8963 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8965 q = strchr(p, *p == '{' ? '}' : ')');
8966 if (q != NULL) *q = NULLCHAR;
8969 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8970 gameInfo.resultDetails = StrSave(p);
8973 if (boardIndex >= forwardMostMove &&
8974 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8975 backwardMostMove = blackPlaysFirst ? 1 : 0;
8978 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8979 fromY, fromX, toY, toX, promoChar,
8980 parseList[boardIndex]);
8981 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8982 /* currentMoveString is set as a side-effect of yylex */
8983 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8984 strcat(moveList[boardIndex], "\n");
8986 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8987 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8993 if(gameInfo.variant != VariantShogi)
8994 strcat(parseList[boardIndex - 1], "+");
8998 strcat(parseList[boardIndex - 1], "#");
9005 /* Apply a move to the given board */
9007 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9008 int fromX, fromY, toX, toY;
9012 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9013 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9015 /* [HGM] compute & store e.p. status and castling rights for new position */
9016 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9018 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9019 oldEP = (signed char)board[EP_STATUS];
9020 board[EP_STATUS] = EP_NONE;
9022 if (fromY == DROP_RANK) {
9024 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9025 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9028 piece = board[toY][toX] = (ChessSquare) fromX;
9032 if( board[toY][toX] != EmptySquare )
9033 board[EP_STATUS] = EP_CAPTURE;
9035 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9036 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9037 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9039 if( board[fromY][fromX] == WhitePawn ) {
9040 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9041 board[EP_STATUS] = EP_PAWN_MOVE;
9043 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9044 gameInfo.variant != VariantBerolina || toX < fromX)
9045 board[EP_STATUS] = toX | berolina;
9046 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9047 gameInfo.variant != VariantBerolina || toX > fromX)
9048 board[EP_STATUS] = toX;
9051 if( board[fromY][fromX] == BlackPawn ) {
9052 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9053 board[EP_STATUS] = EP_PAWN_MOVE;
9054 if( toY-fromY== -2) {
9055 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9056 gameInfo.variant != VariantBerolina || toX < fromX)
9057 board[EP_STATUS] = toX | berolina;
9058 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9059 gameInfo.variant != VariantBerolina || toX > fromX)
9060 board[EP_STATUS] = toX;
9064 for(i=0; i<nrCastlingRights; i++) {
9065 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9066 board[CASTLING][i] == toX && castlingRank[i] == toY
9067 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9070 if (fromX == toX && fromY == toY) return;
9072 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9073 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9074 if(gameInfo.variant == VariantKnightmate)
9075 king += (int) WhiteUnicorn - (int) WhiteKing;
9077 /* Code added by Tord: */
9078 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9079 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9080 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9081 board[fromY][fromX] = EmptySquare;
9082 board[toY][toX] = EmptySquare;
9083 if((toX > fromX) != (piece == WhiteRook)) {
9084 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9086 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9088 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9089 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9090 board[fromY][fromX] = EmptySquare;
9091 board[toY][toX] = EmptySquare;
9092 if((toX > fromX) != (piece == BlackRook)) {
9093 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9095 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9097 /* End of code added by Tord */
9099 } else if (board[fromY][fromX] == king
9100 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9101 && toY == fromY && toX > fromX+1) {
9102 board[fromY][fromX] = EmptySquare;
9103 board[toY][toX] = king;
9104 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9105 board[fromY][BOARD_RGHT-1] = EmptySquare;
9106 } else if (board[fromY][fromX] == king
9107 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9108 && toY == fromY && toX < fromX-1) {
9109 board[fromY][fromX] = EmptySquare;
9110 board[toY][toX] = king;
9111 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9112 board[fromY][BOARD_LEFT] = EmptySquare;
9113 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9114 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9115 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9117 /* white pawn promotion */
9118 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9119 if(gameInfo.variant==VariantBughouse ||
9120 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9121 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9122 board[fromY][fromX] = EmptySquare;
9123 } else if ((fromY >= BOARD_HEIGHT>>1)
9125 && gameInfo.variant != VariantXiangqi
9126 && gameInfo.variant != VariantBerolina
9127 && (board[fromY][fromX] == WhitePawn)
9128 && (board[toY][toX] == EmptySquare)) {
9129 board[fromY][fromX] = EmptySquare;
9130 board[toY][toX] = WhitePawn;
9131 captured = board[toY - 1][toX];
9132 board[toY - 1][toX] = EmptySquare;
9133 } else if ((fromY == BOARD_HEIGHT-4)
9135 && gameInfo.variant == VariantBerolina
9136 && (board[fromY][fromX] == WhitePawn)
9137 && (board[toY][toX] == EmptySquare)) {
9138 board[fromY][fromX] = EmptySquare;
9139 board[toY][toX] = WhitePawn;
9140 if(oldEP & EP_BEROLIN_A) {
9141 captured = board[fromY][fromX-1];
9142 board[fromY][fromX-1] = EmptySquare;
9143 }else{ captured = board[fromY][fromX+1];
9144 board[fromY][fromX+1] = EmptySquare;
9146 } else if (board[fromY][fromX] == king
9147 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9148 && toY == fromY && toX > fromX+1) {
9149 board[fromY][fromX] = EmptySquare;
9150 board[toY][toX] = king;
9151 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9152 board[fromY][BOARD_RGHT-1] = EmptySquare;
9153 } else if (board[fromY][fromX] == king
9154 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9155 && toY == fromY && toX < fromX-1) {
9156 board[fromY][fromX] = EmptySquare;
9157 board[toY][toX] = king;
9158 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9159 board[fromY][BOARD_LEFT] = EmptySquare;
9160 } else if (fromY == 7 && fromX == 3
9161 && board[fromY][fromX] == BlackKing
9162 && toY == 7 && toX == 5) {
9163 board[fromY][fromX] = EmptySquare;
9164 board[toY][toX] = BlackKing;
9165 board[fromY][7] = EmptySquare;
9166 board[toY][4] = BlackRook;
9167 } else if (fromY == 7 && fromX == 3
9168 && board[fromY][fromX] == BlackKing
9169 && toY == 7 && toX == 1) {
9170 board[fromY][fromX] = EmptySquare;
9171 board[toY][toX] = BlackKing;
9172 board[fromY][0] = EmptySquare;
9173 board[toY][2] = BlackRook;
9174 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9175 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9176 && toY < promoRank && promoChar
9178 /* black pawn promotion */
9179 board[toY][toX] = CharToPiece(ToLower(promoChar));
9180 if(gameInfo.variant==VariantBughouse ||
9181 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9182 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9183 board[fromY][fromX] = EmptySquare;
9184 } else if ((fromY < BOARD_HEIGHT>>1)
9186 && gameInfo.variant != VariantXiangqi
9187 && gameInfo.variant != VariantBerolina
9188 && (board[fromY][fromX] == BlackPawn)
9189 && (board[toY][toX] == EmptySquare)) {
9190 board[fromY][fromX] = EmptySquare;
9191 board[toY][toX] = BlackPawn;
9192 captured = board[toY + 1][toX];
9193 board[toY + 1][toX] = EmptySquare;
9194 } else if ((fromY == 3)
9196 && gameInfo.variant == VariantBerolina
9197 && (board[fromY][fromX] == BlackPawn)
9198 && (board[toY][toX] == EmptySquare)) {
9199 board[fromY][fromX] = EmptySquare;
9200 board[toY][toX] = BlackPawn;
9201 if(oldEP & EP_BEROLIN_A) {
9202 captured = board[fromY][fromX-1];
9203 board[fromY][fromX-1] = EmptySquare;
9204 }else{ captured = board[fromY][fromX+1];
9205 board[fromY][fromX+1] = EmptySquare;
9208 board[toY][toX] = board[fromY][fromX];
9209 board[fromY][fromX] = EmptySquare;
9213 if (gameInfo.holdingsWidth != 0) {
9215 /* !!A lot more code needs to be written to support holdings */
9216 /* [HGM] OK, so I have written it. Holdings are stored in the */
9217 /* penultimate board files, so they are automaticlly stored */
9218 /* in the game history. */
9219 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9220 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9221 /* Delete from holdings, by decreasing count */
9222 /* and erasing image if necessary */
9223 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9224 if(p < (int) BlackPawn) { /* white drop */
9225 p -= (int)WhitePawn;
9226 p = PieceToNumber((ChessSquare)p);
9227 if(p >= gameInfo.holdingsSize) p = 0;
9228 if(--board[p][BOARD_WIDTH-2] <= 0)
9229 board[p][BOARD_WIDTH-1] = EmptySquare;
9230 if((int)board[p][BOARD_WIDTH-2] < 0)
9231 board[p][BOARD_WIDTH-2] = 0;
9232 } else { /* black drop */
9233 p -= (int)BlackPawn;
9234 p = PieceToNumber((ChessSquare)p);
9235 if(p >= gameInfo.holdingsSize) p = 0;
9236 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9237 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9238 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9239 board[BOARD_HEIGHT-1-p][1] = 0;
9242 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9243 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9244 /* [HGM] holdings: Add to holdings, if holdings exist */
9245 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9246 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9247 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9250 if (p >= (int) BlackPawn) {
9251 p -= (int)BlackPawn;
9252 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9253 /* in Shogi restore piece to its original first */
9254 captured = (ChessSquare) (DEMOTED captured);
9257 p = PieceToNumber((ChessSquare)p);
9258 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9259 board[p][BOARD_WIDTH-2]++;
9260 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9262 p -= (int)WhitePawn;
9263 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9264 captured = (ChessSquare) (DEMOTED captured);
9267 p = PieceToNumber((ChessSquare)p);
9268 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9269 board[BOARD_HEIGHT-1-p][1]++;
9270 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9273 } else if (gameInfo.variant == VariantAtomic) {
9274 if (captured != EmptySquare) {
9276 for (y = toY-1; y <= toY+1; y++) {
9277 for (x = toX-1; x <= toX+1; x++) {
9278 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9279 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9280 board[y][x] = EmptySquare;
9284 board[toY][toX] = EmptySquare;
9287 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9288 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9290 if(promoChar == '+') {
9291 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9292 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9293 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9294 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9296 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9297 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9298 // [HGM] superchess: take promotion piece out of holdings
9299 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9300 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9301 if(!--board[k][BOARD_WIDTH-2])
9302 board[k][BOARD_WIDTH-1] = EmptySquare;
9304 if(!--board[BOARD_HEIGHT-1-k][1])
9305 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9311 /* Updates forwardMostMove */
9313 MakeMove(fromX, fromY, toX, toY, promoChar)
9314 int fromX, fromY, toX, toY;
9317 // forwardMostMove++; // [HGM] bare: moved downstream
9319 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9320 int timeLeft; static int lastLoadFlag=0; int king, piece;
9321 piece = boards[forwardMostMove][fromY][fromX];
9322 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9323 if(gameInfo.variant == VariantKnightmate)
9324 king += (int) WhiteUnicorn - (int) WhiteKing;
9325 if(forwardMostMove == 0) {
9327 fprintf(serverMoves, "%s;", second.tidy);
9328 fprintf(serverMoves, "%s;", first.tidy);
9329 if(!blackPlaysFirst)
9330 fprintf(serverMoves, "%s;", second.tidy);
9331 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9332 lastLoadFlag = loadFlag;
9334 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9335 // print castling suffix
9336 if( toY == fromY && piece == king ) {
9338 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9340 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9343 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9344 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9345 boards[forwardMostMove][toY][toX] == EmptySquare
9346 && fromX != toX && fromY != toY)
9347 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9349 if(promoChar != NULLCHAR)
9350 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9352 fprintf(serverMoves, "/%d/%d",
9353 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9354 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9355 else timeLeft = blackTimeRemaining/1000;
9356 fprintf(serverMoves, "/%d", timeLeft);
9358 fflush(serverMoves);
9361 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9362 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9366 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9367 if (commentList[forwardMostMove+1] != NULL) {
9368 free(commentList[forwardMostMove+1]);
9369 commentList[forwardMostMove+1] = NULL;
9371 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9372 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9373 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9374 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9375 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9376 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9377 gameInfo.result = GameUnfinished;
9378 if (gameInfo.resultDetails != NULL) {
9379 free(gameInfo.resultDetails);
9380 gameInfo.resultDetails = NULL;
9382 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9383 moveList[forwardMostMove - 1]);
9384 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9385 PosFlags(forwardMostMove - 1),
9386 fromY, fromX, toY, toX, promoChar,
9387 parseList[forwardMostMove - 1]);
9388 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9394 if(gameInfo.variant != VariantShogi)
9395 strcat(parseList[forwardMostMove - 1], "+");
9399 strcat(parseList[forwardMostMove - 1], "#");
9402 if (appData.debugMode) {
9403 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9408 /* Updates currentMove if not pausing */
9410 ShowMove(fromX, fromY, toX, toY)
9412 int instant = (gameMode == PlayFromGameFile) ?
9413 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9414 if(appData.noGUI) return;
9415 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9417 if (forwardMostMove == currentMove + 1) {
9418 AnimateMove(boards[forwardMostMove - 1],
9419 fromX, fromY, toX, toY);
9421 if (appData.highlightLastMove) {
9422 SetHighlights(fromX, fromY, toX, toY);
9425 currentMove = forwardMostMove;
9428 if (instant) return;
9430 DisplayMove(currentMove - 1);
9431 DrawPosition(FALSE, boards[currentMove]);
9432 DisplayBothClocks();
9433 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9434 DisplayBook(currentMove);
9437 void SendEgtPath(ChessProgramState *cps)
9438 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9439 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9441 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9444 char c, *q = name+1, *r, *s;
9446 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9447 while(*p && *p != ',') *q++ = *p++;
9449 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9450 strcmp(name, ",nalimov:") == 0 ) {
9451 // take nalimov path from the menu-changeable option first, if it is defined
9452 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9453 SendToProgram(buf,cps); // send egtbpath command for nalimov
9455 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9456 (s = StrStr(appData.egtFormats, name)) != NULL) {
9457 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9458 s = r = StrStr(s, ":") + 1; // beginning of path info
9459 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9460 c = *r; *r = 0; // temporarily null-terminate path info
9461 *--q = 0; // strip of trailig ':' from name
9462 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9464 SendToProgram(buf,cps); // send egtbpath command for this format
9466 if(*p == ',') p++; // read away comma to position for next format name
9471 InitChessProgram(cps, setup)
9472 ChessProgramState *cps;
9473 int setup; /* [HGM] needed to setup FRC opening position */
9475 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9476 if (appData.noChessProgram) return;
9477 hintRequested = FALSE;
9478 bookRequested = FALSE;
9480 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9481 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9482 if(cps->memSize) { /* [HGM] memory */
9483 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9484 SendToProgram(buf, cps);
9486 SendEgtPath(cps); /* [HGM] EGT */
9487 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9488 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9489 SendToProgram(buf, cps);
9492 SendToProgram(cps->initString, cps);
9493 if (gameInfo.variant != VariantNormal &&
9494 gameInfo.variant != VariantLoadable
9495 /* [HGM] also send variant if board size non-standard */
9496 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9498 char *v = VariantName(gameInfo.variant);
9499 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9500 /* [HGM] in protocol 1 we have to assume all variants valid */
9501 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9502 DisplayFatalError(buf, 0, 1);
9506 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9507 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9508 if( gameInfo.variant == VariantXiangqi )
9509 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9510 if( gameInfo.variant == VariantShogi )
9511 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9512 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9513 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9514 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9515 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9516 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9517 if( gameInfo.variant == VariantCourier )
9518 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9519 if( gameInfo.variant == VariantSuper )
9520 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9521 if( gameInfo.variant == VariantGreat )
9522 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9523 if( gameInfo.variant == VariantSChess )
9524 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9525 if( gameInfo.variant == VariantGrand )
9526 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9529 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9530 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9531 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9532 if(StrStr(cps->variants, b) == NULL) {
9533 // specific sized variant not known, check if general sizing allowed
9534 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9535 if(StrStr(cps->variants, "boardsize") == NULL) {
9536 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9537 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9538 DisplayFatalError(buf, 0, 1);
9541 /* [HGM] here we really should compare with the maximum supported board size */
9544 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9545 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9546 SendToProgram(buf, cps);
9548 currentlyInitializedVariant = gameInfo.variant;
9550 /* [HGM] send opening position in FRC to first engine */
9552 SendToProgram("force\n", cps);
9554 /* engine is now in force mode! Set flag to wake it up after first move. */
9555 setboardSpoiledMachineBlack = 1;
9559 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9560 SendToProgram(buf, cps);
9562 cps->maybeThinking = FALSE;
9563 cps->offeredDraw = 0;
9564 if (!appData.icsActive) {
9565 SendTimeControl(cps, movesPerSession, timeControl,
9566 timeIncrement, appData.searchDepth,
9569 if (appData.showThinking
9570 // [HGM] thinking: four options require thinking output to be sent
9571 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9573 SendToProgram("post\n", cps);
9575 SendToProgram("hard\n", cps);
9576 if (!appData.ponderNextMove) {
9577 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9578 it without being sure what state we are in first. "hard"
9579 is not a toggle, so that one is OK.
9581 SendToProgram("easy\n", cps);
9584 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9585 SendToProgram(buf, cps);
9587 cps->initDone = TRUE;
9588 ClearEngineOutputPane(cps == &second);
9593 StartChessProgram(cps)
9594 ChessProgramState *cps;
9599 if (appData.noChessProgram) return;
9600 cps->initDone = FALSE;
9602 if (strcmp(cps->host, "localhost") == 0) {
9603 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9604 } else if (*appData.remoteShell == NULLCHAR) {
9605 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9607 if (*appData.remoteUser == NULLCHAR) {
9608 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9611 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9612 cps->host, appData.remoteUser, cps->program);
9614 err = StartChildProcess(buf, "", &cps->pr);
9618 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9619 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9620 if(cps != &first) return;
9621 appData.noChessProgram = TRUE;
9624 // DisplayFatalError(buf, err, 1);
9625 // cps->pr = NoProc;
9630 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9631 if (cps->protocolVersion > 1) {
9632 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9633 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9634 cps->comboCnt = 0; // and values of combo boxes
9635 SendToProgram(buf, cps);
9637 SendToProgram("xboard\n", cps);
9642 TwoMachinesEventIfReady P((void))
9644 static int curMess = 0;
9645 if (first.lastPing != first.lastPong) {
9646 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9647 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9650 if (second.lastPing != second.lastPong) {
9651 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9652 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9655 DisplayMessage("", ""); curMess = 0;
9661 MakeName(char *template)
9665 static char buf[MSG_SIZ];
9669 clock = time((time_t *)NULL);
9670 tm = localtime(&clock);
9672 while(*p++ = *template++) if(p[-1] == '%') {
9673 switch(*template++) {
9674 case 0: *p = 0; return buf;
9675 case 'Y': i = tm->tm_year+1900; break;
9676 case 'y': i = tm->tm_year-100; break;
9677 case 'M': i = tm->tm_mon+1; break;
9678 case 'd': i = tm->tm_mday; break;
9679 case 'h': i = tm->tm_hour; break;
9680 case 'm': i = tm->tm_min; break;
9681 case 's': i = tm->tm_sec; break;
9684 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9690 CountPlayers(char *p)
9693 while(p = strchr(p, '\n')) p++, n++; // count participants
9698 WriteTourneyFile(char *results)
9699 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9700 FILE *f = fopen(appData.tourneyFile, "w");
9701 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9702 // create a file with tournament description
9703 fprintf(f, "-participants {%s}\n", appData.participants);
9704 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9705 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9706 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9707 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9708 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9709 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9710 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9711 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9712 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9713 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9714 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9716 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9718 fprintf(f, "-mps %d\n", appData.movesPerSession);
9719 fprintf(f, "-tc %s\n", appData.timeControl);
9720 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9722 fprintf(f, "-results \"%s\"\n", results);
9728 CreateTourney(char *name)
9731 if(name[0] == NULLCHAR) {
9732 if(appData.participants[0])
9733 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9736 f = fopen(name, "r");
9737 if(f) { // file exists
9738 ASSIGN(appData.tourneyFile, name);
9739 ParseArgsFromFile(f); // parse it
9741 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9742 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9743 DisplayError(_("Not enough participants"), 0);
9746 ASSIGN(appData.tourneyFile, name);
9747 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9748 if((f = WriteTourneyFile("")) == NULL) return 0;
9751 appData.noChessProgram = FALSE;
9752 appData.clockMode = TRUE;
9757 #define MAXENGINES 1000
9758 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9760 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9762 char buf[MSG_SIZ], *p, *q;
9766 while(*p && *p != '\n') *q++ = *p++;
9768 if(engineList[i]) free(engineList[i]);
9769 engineList[i] = strdup(buf);
9771 TidyProgramName(engineList[i], "localhost", buf);
9772 if(engineMnemonic[i]) free(engineMnemonic[i]);
9773 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9775 sscanf(q + 8, "%s", buf + strlen(buf));
9778 engineMnemonic[i] = strdup(buf);
9780 if(i > MAXENGINES - 2) break;
9782 engineList[i] = NULL;
9785 // following implemented as macro to avoid type limitations
9786 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9788 void SwapEngines(int n)
9789 { // swap settings for first engine and other engine (so far only some selected options)
9794 SWAP(chessProgram, p)
9796 SWAP(hasOwnBookUCI, h)
9797 SWAP(protocolVersion, h)
9799 SWAP(scoreIsAbsolute, h)
9807 SetPlayer(int player)
9808 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9810 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9811 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9812 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9813 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9815 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9816 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9817 ParseArgsFromString(buf);
9823 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9824 { // determine players from game number
9825 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9827 if(appData.tourneyType == 0) {
9828 roundsPerCycle = (nPlayers - 1) | 1;
9829 pairingsPerRound = nPlayers / 2;
9830 } else if(appData.tourneyType > 0) {
9831 roundsPerCycle = nPlayers - appData.tourneyType;
9832 pairingsPerRound = appData.tourneyType;
9834 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9835 gamesPerCycle = gamesPerRound * roundsPerCycle;
9836 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9837 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9838 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9839 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9840 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9841 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9843 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9844 if(appData.roundSync) *syncInterval = gamesPerRound;
9846 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9848 if(appData.tourneyType == 0) {
9849 if(curPairing == (nPlayers-1)/2 ) {
9850 *whitePlayer = curRound;
9851 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9853 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9854 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9855 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9856 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9858 } else if(appData.tourneyType > 0) {
9859 *whitePlayer = curPairing;
9860 *blackPlayer = curRound + appData.tourneyType;
9863 // take care of white/black alternation per round.
9864 // For cycles and games this is already taken care of by default, derived from matchGame!
9865 return curRound & 1;
9869 NextTourneyGame(int nr, int *swapColors)
9870 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9872 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9874 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9875 tf = fopen(appData.tourneyFile, "r");
9876 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9877 ParseArgsFromFile(tf); fclose(tf);
9878 InitTimeControls(); // TC might be altered from tourney file
9880 nPlayers = CountPlayers(appData.participants); // count participants
9881 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
9882 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9885 p = q = appData.results;
9886 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9887 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9888 DisplayMessage(_("Waiting for other game(s)"),"");
9889 waitingForGame = TRUE;
9890 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9893 waitingForGame = FALSE;
9896 if(appData.tourneyType < 0) {
9897 if(nr>=0 && !pairingReceived) {
9899 if(pairing.pr == NoProc) {
9900 if(!appData.pairingEngine[0]) {
9901 DisplayFatalError(_("No pairing engine specified"), 0, 1);
9904 StartChessProgram(&pairing); // starts the pairing engine
9906 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
9907 SendToProgram(buf, &pairing);
9908 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
9909 SendToProgram(buf, &pairing);
9910 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
9912 pairingReceived = 0; // ... so we continue here
9914 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
9915 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
9916 matchGame = 1; roundNr = nr / syncInterval + 1;
9919 if(first.pr != NoProc) return 1; // engines already loaded
9921 // redefine engines, engine dir, etc.
9922 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9923 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
9925 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
9926 SwapEngines(1); // and make that valid for second engine by swapping
9927 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
9928 InitEngine(&second, 1);
9929 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
9930 UpdateLogos(FALSE); // leave display to ModeHiglight()
9936 { // performs game initialization that does not invoke engines, and then tries to start the game
9937 int firstWhite, swapColors = 0;
9938 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
9939 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
9940 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
9941 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
9942 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
9943 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
9944 Reset(FALSE, first.pr != NoProc);
9945 appData.noChessProgram = FALSE;
9946 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
9950 void UserAdjudicationEvent( int result )
9952 ChessMove gameResult = GameIsDrawn;
9955 gameResult = WhiteWins;
9957 else if( result < 0 ) {
9958 gameResult = BlackWins;
9961 if( gameMode == TwoMachinesPlay ) {
9962 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9967 // [HGM] save: calculate checksum of game to make games easily identifiable
9968 int StringCheckSum(char *s)
9971 if(s==NULL) return 0;
9972 while(*s) i = i*259 + *s++;
9979 for(i=backwardMostMove; i<forwardMostMove; i++) {
9980 sum += pvInfoList[i].depth;
9981 sum += StringCheckSum(parseList[i]);
9982 sum += StringCheckSum(commentList[i]);
9985 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9986 return sum + StringCheckSum(commentList[i]);
9987 } // end of save patch
9990 GameEnds(result, resultDetails, whosays)
9992 char *resultDetails;
9995 GameMode nextGameMode;
9997 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
9999 if(endingGame) return; /* [HGM] crash: forbid recursion */
10001 if(twoBoards) { // [HGM] dual: switch back to one board
10002 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10003 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10005 if (appData.debugMode) {
10006 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10007 result, resultDetails ? resultDetails : "(null)", whosays);
10010 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10012 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10013 /* If we are playing on ICS, the server decides when the
10014 game is over, but the engine can offer to draw, claim
10018 if (appData.zippyPlay && first.initDone) {
10019 if (result == GameIsDrawn) {
10020 /* In case draw still needs to be claimed */
10021 SendToICS(ics_prefix);
10022 SendToICS("draw\n");
10023 } else if (StrCaseStr(resultDetails, "resign")) {
10024 SendToICS(ics_prefix);
10025 SendToICS("resign\n");
10029 endingGame = 0; /* [HGM] crash */
10033 /* If we're loading the game from a file, stop */
10034 if (whosays == GE_FILE) {
10035 (void) StopLoadGameTimer();
10039 /* Cancel draw offers */
10040 first.offeredDraw = second.offeredDraw = 0;
10042 /* If this is an ICS game, only ICS can really say it's done;
10043 if not, anyone can. */
10044 isIcsGame = (gameMode == IcsPlayingWhite ||
10045 gameMode == IcsPlayingBlack ||
10046 gameMode == IcsObserving ||
10047 gameMode == IcsExamining);
10049 if (!isIcsGame || whosays == GE_ICS) {
10050 /* OK -- not an ICS game, or ICS said it was done */
10052 if (!isIcsGame && !appData.noChessProgram)
10053 SetUserThinkingEnables();
10055 /* [HGM] if a machine claims the game end we verify this claim */
10056 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10057 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10059 ChessMove trueResult = (ChessMove) -1;
10061 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10062 first.twoMachinesColor[0] :
10063 second.twoMachinesColor[0] ;
10065 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10066 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10067 /* [HGM] verify: engine mate claims accepted if they were flagged */
10068 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10070 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10071 /* [HGM] verify: engine mate claims accepted if they were flagged */
10072 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10074 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10075 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10078 // now verify win claims, but not in drop games, as we don't understand those yet
10079 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10080 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10081 (result == WhiteWins && claimer == 'w' ||
10082 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10083 if (appData.debugMode) {
10084 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10085 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10087 if(result != trueResult) {
10088 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10089 result = claimer == 'w' ? BlackWins : WhiteWins;
10090 resultDetails = buf;
10093 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10094 && (forwardMostMove <= backwardMostMove ||
10095 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10096 (claimer=='b')==(forwardMostMove&1))
10098 /* [HGM] verify: draws that were not flagged are false claims */
10099 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10100 result = claimer == 'w' ? BlackWins : WhiteWins;
10101 resultDetails = buf;
10103 /* (Claiming a loss is accepted no questions asked!) */
10105 /* [HGM] bare: don't allow bare King to win */
10106 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10107 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10108 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10109 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10110 && result != GameIsDrawn)
10111 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10112 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10113 int p = (signed char)boards[forwardMostMove][i][j] - color;
10114 if(p >= 0 && p <= (int)WhiteKing) k++;
10116 if (appData.debugMode) {
10117 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10118 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10121 result = GameIsDrawn;
10122 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10123 resultDetails = buf;
10129 if(serverMoves != NULL && !loadFlag) { char c = '=';
10130 if(result==WhiteWins) c = '+';
10131 if(result==BlackWins) c = '-';
10132 if(resultDetails != NULL)
10133 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
10135 if (resultDetails != NULL) {
10136 gameInfo.result = result;
10137 gameInfo.resultDetails = StrSave(resultDetails);
10139 /* display last move only if game was not loaded from file */
10140 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10141 DisplayMove(currentMove - 1);
10143 if (forwardMostMove != 0) {
10144 if (gameMode != PlayFromGameFile && gameMode != EditGame
10145 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10147 if (*appData.saveGameFile != NULLCHAR) {
10148 SaveGameToFile(appData.saveGameFile, TRUE);
10149 } else if (appData.autoSaveGames) {
10152 if (*appData.savePositionFile != NULLCHAR) {
10153 SavePositionToFile(appData.savePositionFile);
10158 /* Tell program how game ended in case it is learning */
10159 /* [HGM] Moved this to after saving the PGN, just in case */
10160 /* engine died and we got here through time loss. In that */
10161 /* case we will get a fatal error writing the pipe, which */
10162 /* would otherwise lose us the PGN. */
10163 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10164 /* output during GameEnds should never be fatal anymore */
10165 if (gameMode == MachinePlaysWhite ||
10166 gameMode == MachinePlaysBlack ||
10167 gameMode == TwoMachinesPlay ||
10168 gameMode == IcsPlayingWhite ||
10169 gameMode == IcsPlayingBlack ||
10170 gameMode == BeginningOfGame) {
10172 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10174 if (first.pr != NoProc) {
10175 SendToProgram(buf, &first);
10177 if (second.pr != NoProc &&
10178 gameMode == TwoMachinesPlay) {
10179 SendToProgram(buf, &second);
10184 if (appData.icsActive) {
10185 if (appData.quietPlay &&
10186 (gameMode == IcsPlayingWhite ||
10187 gameMode == IcsPlayingBlack)) {
10188 SendToICS(ics_prefix);
10189 SendToICS("set shout 1\n");
10191 nextGameMode = IcsIdle;
10192 ics_user_moved = FALSE;
10193 /* clean up premove. It's ugly when the game has ended and the
10194 * premove highlights are still on the board.
10197 gotPremove = FALSE;
10198 ClearPremoveHighlights();
10199 DrawPosition(FALSE, boards[currentMove]);
10201 if (whosays == GE_ICS) {
10204 if (gameMode == IcsPlayingWhite)
10206 else if(gameMode == IcsPlayingBlack)
10207 PlayIcsLossSound();
10210 if (gameMode == IcsPlayingBlack)
10212 else if(gameMode == IcsPlayingWhite)
10213 PlayIcsLossSound();
10216 PlayIcsDrawSound();
10219 PlayIcsUnfinishedSound();
10222 } else if (gameMode == EditGame ||
10223 gameMode == PlayFromGameFile ||
10224 gameMode == AnalyzeMode ||
10225 gameMode == AnalyzeFile) {
10226 nextGameMode = gameMode;
10228 nextGameMode = EndOfGame;
10233 nextGameMode = gameMode;
10236 if (appData.noChessProgram) {
10237 gameMode = nextGameMode;
10239 endingGame = 0; /* [HGM] crash */
10244 /* Put first chess program into idle state */
10245 if (first.pr != NoProc &&
10246 (gameMode == MachinePlaysWhite ||
10247 gameMode == MachinePlaysBlack ||
10248 gameMode == TwoMachinesPlay ||
10249 gameMode == IcsPlayingWhite ||
10250 gameMode == IcsPlayingBlack ||
10251 gameMode == BeginningOfGame)) {
10252 SendToProgram("force\n", &first);
10253 if (first.usePing) {
10255 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10256 SendToProgram(buf, &first);
10259 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10260 /* Kill off first chess program */
10261 if (first.isr != NULL)
10262 RemoveInputSource(first.isr);
10265 if (first.pr != NoProc) {
10267 DoSleep( appData.delayBeforeQuit );
10268 SendToProgram("quit\n", &first);
10269 DoSleep( appData.delayAfterQuit );
10270 DestroyChildProcess(first.pr, first.useSigterm);
10274 if (second.reuse) {
10275 /* Put second chess program into idle state */
10276 if (second.pr != NoProc &&
10277 gameMode == TwoMachinesPlay) {
10278 SendToProgram("force\n", &second);
10279 if (second.usePing) {
10281 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10282 SendToProgram(buf, &second);
10285 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10286 /* Kill off second chess program */
10287 if (second.isr != NULL)
10288 RemoveInputSource(second.isr);
10291 if (second.pr != NoProc) {
10292 DoSleep( appData.delayBeforeQuit );
10293 SendToProgram("quit\n", &second);
10294 DoSleep( appData.delayAfterQuit );
10295 DestroyChildProcess(second.pr, second.useSigterm);
10297 second.pr = NoProc;
10300 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10301 char resChar = '=';
10305 if (first.twoMachinesColor[0] == 'w') {
10308 second.matchWins++;
10313 if (first.twoMachinesColor[0] == 'b') {
10316 second.matchWins++;
10319 case GameUnfinished:
10325 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10326 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10327 ReserveGame(nextGame, resChar); // sets nextGame
10328 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10329 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10330 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10332 if (nextGame <= appData.matchGames && !abortMatch) {
10333 gameMode = nextGameMode;
10334 matchGame = nextGame; // this will be overruled in tourney mode!
10335 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10336 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10337 endingGame = 0; /* [HGM] crash */
10340 gameMode = nextGameMode;
10341 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10342 first.tidy, second.tidy,
10343 first.matchWins, second.matchWins,
10344 appData.matchGames - (first.matchWins + second.matchWins));
10345 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10346 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10347 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10348 first.twoMachinesColor = "black\n";
10349 second.twoMachinesColor = "white\n";
10351 first.twoMachinesColor = "white\n";
10352 second.twoMachinesColor = "black\n";
10356 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10357 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10359 gameMode = nextGameMode;
10361 endingGame = 0; /* [HGM] crash */
10362 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10363 if(matchMode == TRUE) { // match through command line: exit with or without popup
10365 ToNrEvent(forwardMostMove);
10366 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10368 } else DisplayFatalError(buf, 0, 0);
10369 } else { // match through menu; just stop, with or without popup
10370 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10373 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10374 } else DisplayNote(buf);
10376 if(ranking) free(ranking);
10380 /* Assumes program was just initialized (initString sent).
10381 Leaves program in force mode. */
10383 FeedMovesToProgram(cps, upto)
10384 ChessProgramState *cps;
10389 if (appData.debugMode)
10390 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10391 startedFromSetupPosition ? "position and " : "",
10392 backwardMostMove, upto, cps->which);
10393 if(currentlyInitializedVariant != gameInfo.variant) {
10395 // [HGM] variantswitch: make engine aware of new variant
10396 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10397 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10398 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10399 SendToProgram(buf, cps);
10400 currentlyInitializedVariant = gameInfo.variant;
10402 SendToProgram("force\n", cps);
10403 if (startedFromSetupPosition) {
10404 SendBoard(cps, backwardMostMove);
10405 if (appData.debugMode) {
10406 fprintf(debugFP, "feedMoves\n");
10409 for (i = backwardMostMove; i < upto; i++) {
10410 SendMoveToProgram(i, cps);
10416 ResurrectChessProgram()
10418 /* The chess program may have exited.
10419 If so, restart it and feed it all the moves made so far. */
10420 static int doInit = 0;
10422 if (appData.noChessProgram) return 1;
10424 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10425 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10426 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10427 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10429 if (first.pr != NoProc) return 1;
10430 StartChessProgram(&first);
10432 InitChessProgram(&first, FALSE);
10433 FeedMovesToProgram(&first, currentMove);
10435 if (!first.sendTime) {
10436 /* can't tell gnuchess what its clock should read,
10437 so we bow to its notion. */
10439 timeRemaining[0][currentMove] = whiteTimeRemaining;
10440 timeRemaining[1][currentMove] = blackTimeRemaining;
10443 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10444 appData.icsEngineAnalyze) && first.analysisSupport) {
10445 SendToProgram("analyze\n", &first);
10446 first.analyzing = TRUE;
10452 * Button procedures
10455 Reset(redraw, init)
10460 if (appData.debugMode) {
10461 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10462 redraw, init, gameMode);
10464 CleanupTail(); // [HGM] vari: delete any stored variations
10465 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10466 pausing = pauseExamInvalid = FALSE;
10467 startedFromSetupPosition = blackPlaysFirst = FALSE;
10469 whiteFlag = blackFlag = FALSE;
10470 userOfferedDraw = FALSE;
10471 hintRequested = bookRequested = FALSE;
10472 first.maybeThinking = FALSE;
10473 second.maybeThinking = FALSE;
10474 first.bookSuspend = FALSE; // [HGM] book
10475 second.bookSuspend = FALSE;
10476 thinkOutput[0] = NULLCHAR;
10477 lastHint[0] = NULLCHAR;
10478 ClearGameInfo(&gameInfo);
10479 gameInfo.variant = StringToVariant(appData.variant);
10480 ics_user_moved = ics_clock_paused = FALSE;
10481 ics_getting_history = H_FALSE;
10483 white_holding[0] = black_holding[0] = NULLCHAR;
10484 ClearProgramStats();
10485 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10489 flipView = appData.flipView;
10490 ClearPremoveHighlights();
10491 gotPremove = FALSE;
10492 alarmSounded = FALSE;
10494 GameEnds(EndOfFile, NULL, GE_PLAYER);
10495 if(appData.serverMovesName != NULL) {
10496 /* [HGM] prepare to make moves file for broadcasting */
10497 clock_t t = clock();
10498 if(serverMoves != NULL) fclose(serverMoves);
10499 serverMoves = fopen(appData.serverMovesName, "r");
10500 if(serverMoves != NULL) {
10501 fclose(serverMoves);
10502 /* delay 15 sec before overwriting, so all clients can see end */
10503 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10505 serverMoves = fopen(appData.serverMovesName, "w");
10509 gameMode = BeginningOfGame;
10511 if(appData.icsActive) gameInfo.variant = VariantNormal;
10512 currentMove = forwardMostMove = backwardMostMove = 0;
10513 InitPosition(redraw);
10514 for (i = 0; i < MAX_MOVES; i++) {
10515 if (commentList[i] != NULL) {
10516 free(commentList[i]);
10517 commentList[i] = NULL;
10521 timeRemaining[0][0] = whiteTimeRemaining;
10522 timeRemaining[1][0] = blackTimeRemaining;
10524 if (first.pr == NULL) {
10525 StartChessProgram(&first);
10528 InitChessProgram(&first, startedFromSetupPosition);
10531 DisplayMessage("", "");
10532 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10533 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10540 if (!AutoPlayOneMove())
10542 if (matchMode || appData.timeDelay == 0)
10544 if (appData.timeDelay < 0)
10546 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10555 int fromX, fromY, toX, toY;
10557 if (appData.debugMode) {
10558 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10561 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10564 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10565 pvInfoList[currentMove].depth = programStats.depth;
10566 pvInfoList[currentMove].score = programStats.score;
10567 pvInfoList[currentMove].time = 0;
10568 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10571 if (currentMove >= forwardMostMove) {
10572 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10573 gameMode = EditGame;
10576 /* [AS] Clear current move marker at the end of a game */
10577 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10582 toX = moveList[currentMove][2] - AAA;
10583 toY = moveList[currentMove][3] - ONE;
10585 if (moveList[currentMove][1] == '@') {
10586 if (appData.highlightLastMove) {
10587 SetHighlights(-1, -1, toX, toY);
10590 fromX = moveList[currentMove][0] - AAA;
10591 fromY = moveList[currentMove][1] - ONE;
10593 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10595 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10597 if (appData.highlightLastMove) {
10598 SetHighlights(fromX, fromY, toX, toY);
10601 DisplayMove(currentMove);
10602 SendMoveToProgram(currentMove++, &first);
10603 DisplayBothClocks();
10604 DrawPosition(FALSE, boards[currentMove]);
10605 // [HGM] PV info: always display, routine tests if empty
10606 DisplayComment(currentMove - 1, commentList[currentMove]);
10612 LoadGameOneMove(readAhead)
10613 ChessMove readAhead;
10615 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10616 char promoChar = NULLCHAR;
10617 ChessMove moveType;
10618 char move[MSG_SIZ];
10621 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10622 gameMode != AnalyzeMode && gameMode != Training) {
10627 yyboardindex = forwardMostMove;
10628 if (readAhead != EndOfFile) {
10629 moveType = readAhead;
10631 if (gameFileFP == NULL)
10633 moveType = (ChessMove) Myylex();
10637 switch (moveType) {
10639 if (appData.debugMode)
10640 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10643 /* append the comment but don't display it */
10644 AppendComment(currentMove, p, FALSE);
10647 case WhiteCapturesEnPassant:
10648 case BlackCapturesEnPassant:
10649 case WhitePromotion:
10650 case BlackPromotion:
10651 case WhiteNonPromotion:
10652 case BlackNonPromotion:
10654 case WhiteKingSideCastle:
10655 case WhiteQueenSideCastle:
10656 case BlackKingSideCastle:
10657 case BlackQueenSideCastle:
10658 case WhiteKingSideCastleWild:
10659 case WhiteQueenSideCastleWild:
10660 case BlackKingSideCastleWild:
10661 case BlackQueenSideCastleWild:
10663 case WhiteHSideCastleFR:
10664 case WhiteASideCastleFR:
10665 case BlackHSideCastleFR:
10666 case BlackASideCastleFR:
10668 if (appData.debugMode)
10669 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10670 fromX = currentMoveString[0] - AAA;
10671 fromY = currentMoveString[1] - ONE;
10672 toX = currentMoveString[2] - AAA;
10673 toY = currentMoveString[3] - ONE;
10674 promoChar = currentMoveString[4];
10679 if (appData.debugMode)
10680 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10681 fromX = moveType == WhiteDrop ?
10682 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10683 (int) CharToPiece(ToLower(currentMoveString[0]));
10685 toX = currentMoveString[2] - AAA;
10686 toY = currentMoveString[3] - ONE;
10692 case GameUnfinished:
10693 if (appData.debugMode)
10694 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10695 p = strchr(yy_text, '{');
10696 if (p == NULL) p = strchr(yy_text, '(');
10699 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10701 q = strchr(p, *p == '{' ? '}' : ')');
10702 if (q != NULL) *q = NULLCHAR;
10705 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10706 GameEnds(moveType, p, GE_FILE);
10708 if (cmailMsgLoaded) {
10710 flipView = WhiteOnMove(currentMove);
10711 if (moveType == GameUnfinished) flipView = !flipView;
10712 if (appData.debugMode)
10713 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10718 if (appData.debugMode)
10719 fprintf(debugFP, "Parser hit end of file\n");
10720 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10726 if (WhiteOnMove(currentMove)) {
10727 GameEnds(BlackWins, "Black mates", GE_FILE);
10729 GameEnds(WhiteWins, "White mates", GE_FILE);
10733 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10739 case MoveNumberOne:
10740 if (lastLoadGameStart == GNUChessGame) {
10741 /* GNUChessGames have numbers, but they aren't move numbers */
10742 if (appData.debugMode)
10743 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10744 yy_text, (int) moveType);
10745 return LoadGameOneMove(EndOfFile); /* tail recursion */
10747 /* else fall thru */
10752 /* Reached start of next game in file */
10753 if (appData.debugMode)
10754 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10755 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10761 if (WhiteOnMove(currentMove)) {
10762 GameEnds(BlackWins, "Black mates", GE_FILE);
10764 GameEnds(WhiteWins, "White mates", GE_FILE);
10768 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10774 case PositionDiagram: /* should not happen; ignore */
10775 case ElapsedTime: /* ignore */
10776 case NAG: /* ignore */
10777 if (appData.debugMode)
10778 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10779 yy_text, (int) moveType);
10780 return LoadGameOneMove(EndOfFile); /* tail recursion */
10783 if (appData.testLegality) {
10784 if (appData.debugMode)
10785 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10786 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10787 (forwardMostMove / 2) + 1,
10788 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10789 DisplayError(move, 0);
10792 if (appData.debugMode)
10793 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10794 yy_text, currentMoveString);
10795 fromX = currentMoveString[0] - AAA;
10796 fromY = currentMoveString[1] - ONE;
10797 toX = currentMoveString[2] - AAA;
10798 toY = currentMoveString[3] - ONE;
10799 promoChar = currentMoveString[4];
10803 case AmbiguousMove:
10804 if (appData.debugMode)
10805 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10806 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10807 (forwardMostMove / 2) + 1,
10808 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10809 DisplayError(move, 0);
10814 case ImpossibleMove:
10815 if (appData.debugMode)
10816 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10817 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10818 (forwardMostMove / 2) + 1,
10819 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10820 DisplayError(move, 0);
10826 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10827 DrawPosition(FALSE, boards[currentMove]);
10828 DisplayBothClocks();
10829 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10830 DisplayComment(currentMove - 1, commentList[currentMove]);
10832 (void) StopLoadGameTimer();
10834 cmailOldMove = forwardMostMove;
10837 /* currentMoveString is set as a side-effect of yylex */
10839 thinkOutput[0] = NULLCHAR;
10840 MakeMove(fromX, fromY, toX, toY, promoChar);
10841 currentMove = forwardMostMove;
10846 /* Load the nth game from the given file */
10848 LoadGameFromFile(filename, n, title, useList)
10852 /*Boolean*/ int useList;
10857 if (strcmp(filename, "-") == 0) {
10861 f = fopen(filename, "rb");
10863 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10864 DisplayError(buf, errno);
10868 if (fseek(f, 0, 0) == -1) {
10869 /* f is not seekable; probably a pipe */
10872 if (useList && n == 0) {
10873 int error = GameListBuild(f);
10875 DisplayError(_("Cannot build game list"), error);
10876 } else if (!ListEmpty(&gameList) &&
10877 ((ListGame *) gameList.tailPred)->number > 1) {
10878 GameListPopUp(f, title);
10885 return LoadGame(f, n, title, FALSE);
10890 MakeRegisteredMove()
10892 int fromX, fromY, toX, toY;
10894 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10895 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10898 if (appData.debugMode)
10899 fprintf(debugFP, "Restoring %s for game %d\n",
10900 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10902 thinkOutput[0] = NULLCHAR;
10903 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10904 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10905 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10906 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10907 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10908 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10909 MakeMove(fromX, fromY, toX, toY, promoChar);
10910 ShowMove(fromX, fromY, toX, toY);
10912 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10919 if (WhiteOnMove(currentMove)) {
10920 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10922 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10927 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10934 if (WhiteOnMove(currentMove)) {
10935 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10937 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10942 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10953 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10955 CmailLoadGame(f, gameNumber, title, useList)
10963 if (gameNumber > nCmailGames) {
10964 DisplayError(_("No more games in this message"), 0);
10967 if (f == lastLoadGameFP) {
10968 int offset = gameNumber - lastLoadGameNumber;
10970 cmailMsg[0] = NULLCHAR;
10971 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10972 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10973 nCmailMovesRegistered--;
10975 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10976 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10977 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10980 if (! RegisterMove()) return FALSE;
10984 retVal = LoadGame(f, gameNumber, title, useList);
10986 /* Make move registered during previous look at this game, if any */
10987 MakeRegisteredMove();
10989 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10990 commentList[currentMove]
10991 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10992 DisplayComment(currentMove - 1, commentList[currentMove]);
10998 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11003 int gameNumber = lastLoadGameNumber + offset;
11004 if (lastLoadGameFP == NULL) {
11005 DisplayError(_("No game has been loaded yet"), 0);
11008 if (gameNumber <= 0) {
11009 DisplayError(_("Can't back up any further"), 0);
11012 if (cmailMsgLoaded) {
11013 return CmailLoadGame(lastLoadGameFP, gameNumber,
11014 lastLoadGameTitle, lastLoadGameUseList);
11016 return LoadGame(lastLoadGameFP, gameNumber,
11017 lastLoadGameTitle, lastLoadGameUseList);
11023 /* Load the nth game from open file f */
11025 LoadGame(f, gameNumber, title, useList)
11033 int gn = gameNumber;
11034 ListGame *lg = NULL;
11035 int numPGNTags = 0;
11037 GameMode oldGameMode;
11038 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11040 if (appData.debugMode)
11041 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11043 if (gameMode == Training )
11044 SetTrainingModeOff();
11046 oldGameMode = gameMode;
11047 if (gameMode != BeginningOfGame) {
11048 Reset(FALSE, TRUE);
11052 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11053 fclose(lastLoadGameFP);
11057 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11060 fseek(f, lg->offset, 0);
11061 GameListHighlight(gameNumber);
11065 DisplayError(_("Game number out of range"), 0);
11070 if (fseek(f, 0, 0) == -1) {
11071 if (f == lastLoadGameFP ?
11072 gameNumber == lastLoadGameNumber + 1 :
11076 DisplayError(_("Can't seek on game file"), 0);
11081 lastLoadGameFP = f;
11082 lastLoadGameNumber = gameNumber;
11083 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11084 lastLoadGameUseList = useList;
11088 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11089 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11090 lg->gameInfo.black);
11092 } else if (*title != NULLCHAR) {
11093 if (gameNumber > 1) {
11094 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11097 DisplayTitle(title);
11101 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11102 gameMode = PlayFromGameFile;
11106 currentMove = forwardMostMove = backwardMostMove = 0;
11107 CopyBoard(boards[0], initialPosition);
11111 * Skip the first gn-1 games in the file.
11112 * Also skip over anything that precedes an identifiable
11113 * start of game marker, to avoid being confused by
11114 * garbage at the start of the file. Currently
11115 * recognized start of game markers are the move number "1",
11116 * the pattern "gnuchess .* game", the pattern
11117 * "^[#;%] [^ ]* game file", and a PGN tag block.
11118 * A game that starts with one of the latter two patterns
11119 * will also have a move number 1, possibly
11120 * following a position diagram.
11121 * 5-4-02: Let's try being more lenient and allowing a game to
11122 * start with an unnumbered move. Does that break anything?
11124 cm = lastLoadGameStart = EndOfFile;
11126 yyboardindex = forwardMostMove;
11127 cm = (ChessMove) Myylex();
11130 if (cmailMsgLoaded) {
11131 nCmailGames = CMAIL_MAX_GAMES - gn;
11134 DisplayError(_("Game not found in file"), 0);
11141 lastLoadGameStart = cm;
11144 case MoveNumberOne:
11145 switch (lastLoadGameStart) {
11150 case MoveNumberOne:
11152 gn--; /* count this game */
11153 lastLoadGameStart = cm;
11162 switch (lastLoadGameStart) {
11165 case MoveNumberOne:
11167 gn--; /* count this game */
11168 lastLoadGameStart = cm;
11171 lastLoadGameStart = cm; /* game counted already */
11179 yyboardindex = forwardMostMove;
11180 cm = (ChessMove) Myylex();
11181 } while (cm == PGNTag || cm == Comment);
11188 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11189 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11190 != CMAIL_OLD_RESULT) {
11192 cmailResult[ CMAIL_MAX_GAMES
11193 - gn - 1] = CMAIL_OLD_RESULT;
11199 /* Only a NormalMove can be at the start of a game
11200 * without a position diagram. */
11201 if (lastLoadGameStart == EndOfFile ) {
11203 lastLoadGameStart = MoveNumberOne;
11212 if (appData.debugMode)
11213 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11215 if (cm == XBoardGame) {
11216 /* Skip any header junk before position diagram and/or move 1 */
11218 yyboardindex = forwardMostMove;
11219 cm = (ChessMove) Myylex();
11221 if (cm == EndOfFile ||
11222 cm == GNUChessGame || cm == XBoardGame) {
11223 /* Empty game; pretend end-of-file and handle later */
11228 if (cm == MoveNumberOne || cm == PositionDiagram ||
11229 cm == PGNTag || cm == Comment)
11232 } else if (cm == GNUChessGame) {
11233 if (gameInfo.event != NULL) {
11234 free(gameInfo.event);
11236 gameInfo.event = StrSave(yy_text);
11239 startedFromSetupPosition = FALSE;
11240 while (cm == PGNTag) {
11241 if (appData.debugMode)
11242 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11243 err = ParsePGNTag(yy_text, &gameInfo);
11244 if (!err) numPGNTags++;
11246 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11247 if(gameInfo.variant != oldVariant) {
11248 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11249 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11250 InitPosition(TRUE);
11251 oldVariant = gameInfo.variant;
11252 if (appData.debugMode)
11253 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11257 if (gameInfo.fen != NULL) {
11258 Board initial_position;
11259 startedFromSetupPosition = TRUE;
11260 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11262 DisplayError(_("Bad FEN position in file"), 0);
11265 CopyBoard(boards[0], initial_position);
11266 if (blackPlaysFirst) {
11267 currentMove = forwardMostMove = backwardMostMove = 1;
11268 CopyBoard(boards[1], initial_position);
11269 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11270 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11271 timeRemaining[0][1] = whiteTimeRemaining;
11272 timeRemaining[1][1] = blackTimeRemaining;
11273 if (commentList[0] != NULL) {
11274 commentList[1] = commentList[0];
11275 commentList[0] = NULL;
11278 currentMove = forwardMostMove = backwardMostMove = 0;
11280 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11282 initialRulePlies = FENrulePlies;
11283 for( i=0; i< nrCastlingRights; i++ )
11284 initialRights[i] = initial_position[CASTLING][i];
11286 yyboardindex = forwardMostMove;
11287 free(gameInfo.fen);
11288 gameInfo.fen = NULL;
11291 yyboardindex = forwardMostMove;
11292 cm = (ChessMove) Myylex();
11294 /* Handle comments interspersed among the tags */
11295 while (cm == Comment) {
11297 if (appData.debugMode)
11298 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11300 AppendComment(currentMove, p, FALSE);
11301 yyboardindex = forwardMostMove;
11302 cm = (ChessMove) Myylex();
11306 /* don't rely on existence of Event tag since if game was
11307 * pasted from clipboard the Event tag may not exist
11309 if (numPGNTags > 0){
11311 if (gameInfo.variant == VariantNormal) {
11312 VariantClass v = StringToVariant(gameInfo.event);
11313 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11314 if(v < VariantShogi) gameInfo.variant = v;
11317 if( appData.autoDisplayTags ) {
11318 tags = PGNTags(&gameInfo);
11319 TagsPopUp(tags, CmailMsg());
11324 /* Make something up, but don't display it now */
11329 if (cm == PositionDiagram) {
11332 Board initial_position;
11334 if (appData.debugMode)
11335 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11337 if (!startedFromSetupPosition) {
11339 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11340 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11351 initial_position[i][j++] = CharToPiece(*p);
11354 while (*p == ' ' || *p == '\t' ||
11355 *p == '\n' || *p == '\r') p++;
11357 if (strncmp(p, "black", strlen("black"))==0)
11358 blackPlaysFirst = TRUE;
11360 blackPlaysFirst = FALSE;
11361 startedFromSetupPosition = TRUE;
11363 CopyBoard(boards[0], initial_position);
11364 if (blackPlaysFirst) {
11365 currentMove = forwardMostMove = backwardMostMove = 1;
11366 CopyBoard(boards[1], initial_position);
11367 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11368 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11369 timeRemaining[0][1] = whiteTimeRemaining;
11370 timeRemaining[1][1] = blackTimeRemaining;
11371 if (commentList[0] != NULL) {
11372 commentList[1] = commentList[0];
11373 commentList[0] = NULL;
11376 currentMove = forwardMostMove = backwardMostMove = 0;
11379 yyboardindex = forwardMostMove;
11380 cm = (ChessMove) Myylex();
11383 if (first.pr == NoProc) {
11384 StartChessProgram(&first);
11386 InitChessProgram(&first, FALSE);
11387 SendToProgram("force\n", &first);
11388 if (startedFromSetupPosition) {
11389 SendBoard(&first, forwardMostMove);
11390 if (appData.debugMode) {
11391 fprintf(debugFP, "Load Game\n");
11393 DisplayBothClocks();
11396 /* [HGM] server: flag to write setup moves in broadcast file as one */
11397 loadFlag = appData.suppressLoadMoves;
11399 while (cm == Comment) {
11401 if (appData.debugMode)
11402 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11404 AppendComment(currentMove, p, FALSE);
11405 yyboardindex = forwardMostMove;
11406 cm = (ChessMove) Myylex();
11409 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11410 cm == WhiteWins || cm == BlackWins ||
11411 cm == GameIsDrawn || cm == GameUnfinished) {
11412 DisplayMessage("", _("No moves in game"));
11413 if (cmailMsgLoaded) {
11414 if (appData.debugMode)
11415 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11419 DrawPosition(FALSE, boards[currentMove]);
11420 DisplayBothClocks();
11421 gameMode = EditGame;
11428 // [HGM] PV info: routine tests if comment empty
11429 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11430 DisplayComment(currentMove - 1, commentList[currentMove]);
11432 if (!matchMode && appData.timeDelay != 0)
11433 DrawPosition(FALSE, boards[currentMove]);
11435 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11436 programStats.ok_to_send = 1;
11439 /* if the first token after the PGN tags is a move
11440 * and not move number 1, retrieve it from the parser
11442 if (cm != MoveNumberOne)
11443 LoadGameOneMove(cm);
11445 /* load the remaining moves from the file */
11446 while (LoadGameOneMove(EndOfFile)) {
11447 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11448 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11451 /* rewind to the start of the game */
11452 currentMove = backwardMostMove;
11454 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11456 if (oldGameMode == AnalyzeFile ||
11457 oldGameMode == AnalyzeMode) {
11458 AnalyzeFileEvent();
11461 if (matchMode || appData.timeDelay == 0) {
11463 gameMode = EditGame;
11465 } else if (appData.timeDelay > 0) {
11466 AutoPlayGameLoop();
11469 if (appData.debugMode)
11470 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11472 loadFlag = 0; /* [HGM] true game starts */
11476 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11478 ReloadPosition(offset)
11481 int positionNumber = lastLoadPositionNumber + offset;
11482 if (lastLoadPositionFP == NULL) {
11483 DisplayError(_("No position has been loaded yet"), 0);
11486 if (positionNumber <= 0) {
11487 DisplayError(_("Can't back up any further"), 0);
11490 return LoadPosition(lastLoadPositionFP, positionNumber,
11491 lastLoadPositionTitle);
11494 /* Load the nth position from the given file */
11496 LoadPositionFromFile(filename, n, title)
11504 if (strcmp(filename, "-") == 0) {
11505 return LoadPosition(stdin, n, "stdin");
11507 f = fopen(filename, "rb");
11509 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11510 DisplayError(buf, errno);
11513 return LoadPosition(f, n, title);
11518 /* Load the nth position from the given open file, and close it */
11520 LoadPosition(f, positionNumber, title)
11522 int positionNumber;
11525 char *p, line[MSG_SIZ];
11526 Board initial_position;
11527 int i, j, fenMode, pn;
11529 if (gameMode == Training )
11530 SetTrainingModeOff();
11532 if (gameMode != BeginningOfGame) {
11533 Reset(FALSE, TRUE);
11535 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11536 fclose(lastLoadPositionFP);
11538 if (positionNumber == 0) positionNumber = 1;
11539 lastLoadPositionFP = f;
11540 lastLoadPositionNumber = positionNumber;
11541 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11542 if (first.pr == NoProc) {
11543 StartChessProgram(&first);
11544 InitChessProgram(&first, FALSE);
11546 pn = positionNumber;
11547 if (positionNumber < 0) {
11548 /* Negative position number means to seek to that byte offset */
11549 if (fseek(f, -positionNumber, 0) == -1) {
11550 DisplayError(_("Can't seek on position file"), 0);
11555 if (fseek(f, 0, 0) == -1) {
11556 if (f == lastLoadPositionFP ?
11557 positionNumber == lastLoadPositionNumber + 1 :
11558 positionNumber == 1) {
11561 DisplayError(_("Can't seek on position file"), 0);
11566 /* See if this file is FEN or old-style xboard */
11567 if (fgets(line, MSG_SIZ, f) == NULL) {
11568 DisplayError(_("Position not found in file"), 0);
11571 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11572 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11575 if (fenMode || line[0] == '#') pn--;
11577 /* skip positions before number pn */
11578 if (fgets(line, MSG_SIZ, f) == NULL) {
11580 DisplayError(_("Position not found in file"), 0);
11583 if (fenMode || line[0] == '#') pn--;
11588 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11589 DisplayError(_("Bad FEN position in file"), 0);
11593 (void) fgets(line, MSG_SIZ, f);
11594 (void) fgets(line, MSG_SIZ, f);
11596 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11597 (void) fgets(line, MSG_SIZ, f);
11598 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11601 initial_position[i][j++] = CharToPiece(*p);
11605 blackPlaysFirst = FALSE;
11607 (void) fgets(line, MSG_SIZ, f);
11608 if (strncmp(line, "black", strlen("black"))==0)
11609 blackPlaysFirst = TRUE;
11612 startedFromSetupPosition = TRUE;
11614 SendToProgram("force\n", &first);
11615 CopyBoard(boards[0], initial_position);
11616 if (blackPlaysFirst) {
11617 currentMove = forwardMostMove = backwardMostMove = 1;
11618 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11619 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11620 CopyBoard(boards[1], initial_position);
11621 DisplayMessage("", _("Black to play"));
11623 currentMove = forwardMostMove = backwardMostMove = 0;
11624 DisplayMessage("", _("White to play"));
11626 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11627 SendBoard(&first, forwardMostMove);
11628 if (appData.debugMode) {
11630 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11631 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11632 fprintf(debugFP, "Load Position\n");
11635 if (positionNumber > 1) {
11636 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11637 DisplayTitle(line);
11639 DisplayTitle(title);
11641 gameMode = EditGame;
11644 timeRemaining[0][1] = whiteTimeRemaining;
11645 timeRemaining[1][1] = blackTimeRemaining;
11646 DrawPosition(FALSE, boards[currentMove]);
11653 CopyPlayerNameIntoFileName(dest, src)
11656 while (*src != NULLCHAR && *src != ',') {
11661 *(*dest)++ = *src++;
11666 char *DefaultFileName(ext)
11669 static char def[MSG_SIZ];
11672 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11674 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11676 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11678 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11685 /* Save the current game to the given file */
11687 SaveGameToFile(filename, append)
11695 if (strcmp(filename, "-") == 0) {
11696 return SaveGame(stdout, 0, NULL);
11698 f = fopen(filename, append ? "a" : "w");
11700 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11701 DisplayError(buf, errno);
11704 safeStrCpy(buf, lastMsg, MSG_SIZ);
11705 DisplayMessage(_("Waiting for access to save file"), "");
11706 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11707 DisplayMessage(_("Saving game"), "");
11708 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11709 result = SaveGame(f, 0, NULL);
11710 DisplayMessage(buf, "");
11720 static char buf[MSG_SIZ];
11723 p = strchr(str, ' ');
11724 if (p == NULL) return str;
11725 strncpy(buf, str, p - str);
11726 buf[p - str] = NULLCHAR;
11730 #define PGN_MAX_LINE 75
11732 #define PGN_SIDE_WHITE 0
11733 #define PGN_SIDE_BLACK 1
11736 static int FindFirstMoveOutOfBook( int side )
11740 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11741 int index = backwardMostMove;
11742 int has_book_hit = 0;
11744 if( (index % 2) != side ) {
11748 while( index < forwardMostMove ) {
11749 /* Check to see if engine is in book */
11750 int depth = pvInfoList[index].depth;
11751 int score = pvInfoList[index].score;
11757 else if( score == 0 && depth == 63 ) {
11758 in_book = 1; /* Zappa */
11760 else if( score == 2 && depth == 99 ) {
11761 in_book = 1; /* Abrok */
11764 has_book_hit += in_book;
11780 void GetOutOfBookInfo( char * buf )
11784 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11786 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
11787 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
11791 if( oob[0] >= 0 || oob[1] >= 0 ) {
11792 for( i=0; i<2; i++ ) {
11796 if( i > 0 && oob[0] >= 0 ) {
11797 strcat( buf, " " );
11800 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
11801 sprintf( buf+strlen(buf), "%s%.2f",
11802 pvInfoList[idx].score >= 0 ? "+" : "",
11803 pvInfoList[idx].score / 100.0 );
11809 /* Save game in PGN style and close the file */
11814 int i, offset, linelen, newblock;
11818 int movelen, numlen, blank;
11819 char move_buffer[100]; /* [AS] Buffer for move+PV info */
11821 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11823 tm = time((time_t *) NULL);
11825 PrintPGNTags(f, &gameInfo);
11827 if (backwardMostMove > 0 || startedFromSetupPosition) {
11828 char *fen = PositionToFEN(backwardMostMove, NULL);
11829 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
11830 fprintf(f, "\n{--------------\n");
11831 PrintPosition(f, backwardMostMove);
11832 fprintf(f, "--------------}\n");
11836 /* [AS] Out of book annotation */
11837 if( appData.saveOutOfBookInfo ) {
11840 GetOutOfBookInfo( buf );
11842 if( buf[0] != '\0' ) {
11843 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
11850 i = backwardMostMove;
11854 while (i < forwardMostMove) {
11855 /* Print comments preceding this move */
11856 if (commentList[i] != NULL) {
11857 if (linelen > 0) fprintf(f, "\n");
11858 fprintf(f, "%s", commentList[i]);
11863 /* Format move number */
11865 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
11868 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
11870 numtext[0] = NULLCHAR;
11872 numlen = strlen(numtext);
11875 /* Print move number */
11876 blank = linelen > 0 && numlen > 0;
11877 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
11886 fprintf(f, "%s", numtext);
11890 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
11891 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
11894 blank = linelen > 0 && movelen > 0;
11895 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11904 fprintf(f, "%s", move_buffer);
11905 linelen += movelen;
11907 /* [AS] Add PV info if present */
11908 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
11909 /* [HGM] add time */
11910 char buf[MSG_SIZ]; int seconds;
11912 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11918 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11921 seconds = (seconds + 4)/10; // round to full seconds
11923 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11925 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11928 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11929 pvInfoList[i].score >= 0 ? "+" : "",
11930 pvInfoList[i].score / 100.0,
11931 pvInfoList[i].depth,
11934 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11936 /* Print score/depth */
11937 blank = linelen > 0 && movelen > 0;
11938 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11947 fprintf(f, "%s", move_buffer);
11948 linelen += movelen;
11954 /* Start a new line */
11955 if (linelen > 0) fprintf(f, "\n");
11957 /* Print comments after last move */
11958 if (commentList[i] != NULL) {
11959 fprintf(f, "%s\n", commentList[i]);
11963 if (gameInfo.resultDetails != NULL &&
11964 gameInfo.resultDetails[0] != NULLCHAR) {
11965 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11966 PGNResult(gameInfo.result));
11968 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11972 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11976 /* Save game in old style and close the file */
11978 SaveGameOldStyle(f)
11984 tm = time((time_t *) NULL);
11986 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11989 if (backwardMostMove > 0 || startedFromSetupPosition) {
11990 fprintf(f, "\n[--------------\n");
11991 PrintPosition(f, backwardMostMove);
11992 fprintf(f, "--------------]\n");
11997 i = backwardMostMove;
11998 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12000 while (i < forwardMostMove) {
12001 if (commentList[i] != NULL) {
12002 fprintf(f, "[%s]\n", commentList[i]);
12005 if ((i % 2) == 1) {
12006 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12009 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12011 if (commentList[i] != NULL) {
12015 if (i >= forwardMostMove) {
12019 fprintf(f, "%s\n", parseList[i]);
12024 if (commentList[i] != NULL) {
12025 fprintf(f, "[%s]\n", commentList[i]);
12028 /* This isn't really the old style, but it's close enough */
12029 if (gameInfo.resultDetails != NULL &&
12030 gameInfo.resultDetails[0] != NULLCHAR) {
12031 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12032 gameInfo.resultDetails);
12034 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12041 /* Save the current game to open file f and close the file */
12043 SaveGame(f, dummy, dummy2)
12048 if (gameMode == EditPosition) EditPositionDone(TRUE);
12049 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12050 if (appData.oldSaveStyle)
12051 return SaveGameOldStyle(f);
12053 return SaveGamePGN(f);
12056 /* Save the current position to the given file */
12058 SavePositionToFile(filename)
12064 if (strcmp(filename, "-") == 0) {
12065 return SavePosition(stdout, 0, NULL);
12067 f = fopen(filename, "a");
12069 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12070 DisplayError(buf, errno);
12073 safeStrCpy(buf, lastMsg, MSG_SIZ);
12074 DisplayMessage(_("Waiting for access to save file"), "");
12075 flock(fileno(f), LOCK_EX); // [HGM] lock
12076 DisplayMessage(_("Saving position"), "");
12077 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12078 SavePosition(f, 0, NULL);
12079 DisplayMessage(buf, "");
12085 /* Save the current position to the given open file and close the file */
12087 SavePosition(f, dummy, dummy2)
12095 if (gameMode == EditPosition) EditPositionDone(TRUE);
12096 if (appData.oldSaveStyle) {
12097 tm = time((time_t *) NULL);
12099 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12101 fprintf(f, "[--------------\n");
12102 PrintPosition(f, currentMove);
12103 fprintf(f, "--------------]\n");
12105 fen = PositionToFEN(currentMove, NULL);
12106 fprintf(f, "%s\n", fen);
12114 ReloadCmailMsgEvent(unregister)
12118 static char *inFilename = NULL;
12119 static char *outFilename;
12121 struct stat inbuf, outbuf;
12124 /* Any registered moves are unregistered if unregister is set, */
12125 /* i.e. invoked by the signal handler */
12127 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12128 cmailMoveRegistered[i] = FALSE;
12129 if (cmailCommentList[i] != NULL) {
12130 free(cmailCommentList[i]);
12131 cmailCommentList[i] = NULL;
12134 nCmailMovesRegistered = 0;
12137 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12138 cmailResult[i] = CMAIL_NOT_RESULT;
12142 if (inFilename == NULL) {
12143 /* Because the filenames are static they only get malloced once */
12144 /* and they never get freed */
12145 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12146 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12148 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12149 sprintf(outFilename, "%s.out", appData.cmailGameName);
12152 status = stat(outFilename, &outbuf);
12154 cmailMailedMove = FALSE;
12156 status = stat(inFilename, &inbuf);
12157 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12160 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12161 counts the games, notes how each one terminated, etc.
12163 It would be nice to remove this kludge and instead gather all
12164 the information while building the game list. (And to keep it
12165 in the game list nodes instead of having a bunch of fixed-size
12166 parallel arrays.) Note this will require getting each game's
12167 termination from the PGN tags, as the game list builder does
12168 not process the game moves. --mann
12170 cmailMsgLoaded = TRUE;
12171 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12173 /* Load first game in the file or popup game menu */
12174 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12176 #endif /* !WIN32 */
12184 char string[MSG_SIZ];
12186 if ( cmailMailedMove
12187 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12188 return TRUE; /* Allow free viewing */
12191 /* Unregister move to ensure that we don't leave RegisterMove */
12192 /* with the move registered when the conditions for registering no */
12194 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12195 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12196 nCmailMovesRegistered --;
12198 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12200 free(cmailCommentList[lastLoadGameNumber - 1]);
12201 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12205 if (cmailOldMove == -1) {
12206 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12210 if (currentMove > cmailOldMove + 1) {
12211 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12215 if (currentMove < cmailOldMove) {
12216 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12220 if (forwardMostMove > currentMove) {
12221 /* Silently truncate extra moves */
12225 if ( (currentMove == cmailOldMove + 1)
12226 || ( (currentMove == cmailOldMove)
12227 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12228 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12229 if (gameInfo.result != GameUnfinished) {
12230 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12233 if (commentList[currentMove] != NULL) {
12234 cmailCommentList[lastLoadGameNumber - 1]
12235 = StrSave(commentList[currentMove]);
12237 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12239 if (appData.debugMode)
12240 fprintf(debugFP, "Saving %s for game %d\n",
12241 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12243 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12245 f = fopen(string, "w");
12246 if (appData.oldSaveStyle) {
12247 SaveGameOldStyle(f); /* also closes the file */
12249 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12250 f = fopen(string, "w");
12251 SavePosition(f, 0, NULL); /* also closes the file */
12253 fprintf(f, "{--------------\n");
12254 PrintPosition(f, currentMove);
12255 fprintf(f, "--------------}\n\n");
12257 SaveGame(f, 0, NULL); /* also closes the file*/
12260 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12261 nCmailMovesRegistered ++;
12262 } else if (nCmailGames == 1) {
12263 DisplayError(_("You have not made a move yet"), 0);
12274 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12275 FILE *commandOutput;
12276 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12277 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12283 if (! cmailMsgLoaded) {
12284 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12288 if (nCmailGames == nCmailResults) {
12289 DisplayError(_("No unfinished games"), 0);
12293 #if CMAIL_PROHIBIT_REMAIL
12294 if (cmailMailedMove) {
12295 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);
12296 DisplayError(msg, 0);
12301 if (! (cmailMailedMove || RegisterMove())) return;
12303 if ( cmailMailedMove
12304 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12305 snprintf(string, MSG_SIZ, partCommandString,
12306 appData.debugMode ? " -v" : "", appData.cmailGameName);
12307 commandOutput = popen(string, "r");
12309 if (commandOutput == NULL) {
12310 DisplayError(_("Failed to invoke cmail"), 0);
12312 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12313 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12315 if (nBuffers > 1) {
12316 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12317 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12318 nBytes = MSG_SIZ - 1;
12320 (void) memcpy(msg, buffer, nBytes);
12322 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12324 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12325 cmailMailedMove = TRUE; /* Prevent >1 moves */
12328 for (i = 0; i < nCmailGames; i ++) {
12329 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12334 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12336 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12338 appData.cmailGameName,
12340 LoadGameFromFile(buffer, 1, buffer, FALSE);
12341 cmailMsgLoaded = FALSE;
12345 DisplayInformation(msg);
12346 pclose(commandOutput);
12349 if ((*cmailMsg) != '\0') {
12350 DisplayInformation(cmailMsg);
12355 #endif /* !WIN32 */
12364 int prependComma = 0;
12366 char string[MSG_SIZ]; /* Space for game-list */
12369 if (!cmailMsgLoaded) return "";
12371 if (cmailMailedMove) {
12372 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12374 /* Create a list of games left */
12375 snprintf(string, MSG_SIZ, "[");
12376 for (i = 0; i < nCmailGames; i ++) {
12377 if (! ( cmailMoveRegistered[i]
12378 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12379 if (prependComma) {
12380 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12382 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12386 strcat(string, number);
12389 strcat(string, "]");
12391 if (nCmailMovesRegistered + nCmailResults == 0) {
12392 switch (nCmailGames) {
12394 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12398 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12402 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12407 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12409 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12414 if (nCmailResults == nCmailGames) {
12415 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12417 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12422 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12434 if (gameMode == Training)
12435 SetTrainingModeOff();
12438 cmailMsgLoaded = FALSE;
12439 if (appData.icsActive) {
12440 SendToICS(ics_prefix);
12441 SendToICS("refresh\n");
12451 /* Give up on clean exit */
12455 /* Keep trying for clean exit */
12459 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12461 if (telnetISR != NULL) {
12462 RemoveInputSource(telnetISR);
12464 if (icsPR != NoProc) {
12465 DestroyChildProcess(icsPR, TRUE);
12468 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12469 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12471 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12472 /* make sure this other one finishes before killing it! */
12473 if(endingGame) { int count = 0;
12474 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12475 while(endingGame && count++ < 10) DoSleep(1);
12476 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12479 /* Kill off chess programs */
12480 if (first.pr != NoProc) {
12483 DoSleep( appData.delayBeforeQuit );
12484 SendToProgram("quit\n", &first);
12485 DoSleep( appData.delayAfterQuit );
12486 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12488 if (second.pr != NoProc) {
12489 DoSleep( appData.delayBeforeQuit );
12490 SendToProgram("quit\n", &second);
12491 DoSleep( appData.delayAfterQuit );
12492 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12494 if (first.isr != NULL) {
12495 RemoveInputSource(first.isr);
12497 if (second.isr != NULL) {
12498 RemoveInputSource(second.isr);
12501 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12502 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12504 ShutDownFrontEnd();
12511 if (appData.debugMode)
12512 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12516 if (gameMode == MachinePlaysWhite ||
12517 gameMode == MachinePlaysBlack) {
12520 DisplayBothClocks();
12522 if (gameMode == PlayFromGameFile) {
12523 if (appData.timeDelay >= 0)
12524 AutoPlayGameLoop();
12525 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12526 Reset(FALSE, TRUE);
12527 SendToICS(ics_prefix);
12528 SendToICS("refresh\n");
12529 } else if (currentMove < forwardMostMove) {
12530 ForwardInner(forwardMostMove);
12532 pauseExamInvalid = FALSE;
12534 switch (gameMode) {
12538 pauseExamForwardMostMove = forwardMostMove;
12539 pauseExamInvalid = FALSE;
12542 case IcsPlayingWhite:
12543 case IcsPlayingBlack:
12547 case PlayFromGameFile:
12548 (void) StopLoadGameTimer();
12552 case BeginningOfGame:
12553 if (appData.icsActive) return;
12554 /* else fall through */
12555 case MachinePlaysWhite:
12556 case MachinePlaysBlack:
12557 case TwoMachinesPlay:
12558 if (forwardMostMove == 0)
12559 return; /* don't pause if no one has moved */
12560 if ((gameMode == MachinePlaysWhite &&
12561 !WhiteOnMove(forwardMostMove)) ||
12562 (gameMode == MachinePlaysBlack &&
12563 WhiteOnMove(forwardMostMove))) {
12576 char title[MSG_SIZ];
12578 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12579 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12581 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12582 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12583 parseList[currentMove - 1]);
12586 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12593 char *tags = PGNTags(&gameInfo);
12595 EditTagsPopUp(tags, NULL);
12602 if (appData.noChessProgram || gameMode == AnalyzeMode)
12605 if (gameMode != AnalyzeFile) {
12606 if (!appData.icsEngineAnalyze) {
12608 if (gameMode != EditGame) return;
12610 ResurrectChessProgram();
12611 SendToProgram("analyze\n", &first);
12612 first.analyzing = TRUE;
12613 /*first.maybeThinking = TRUE;*/
12614 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12615 EngineOutputPopUp();
12617 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12622 StartAnalysisClock();
12623 GetTimeMark(&lastNodeCountTime);
12630 if (appData.noChessProgram || gameMode == AnalyzeFile)
12633 if (gameMode != AnalyzeMode) {
12635 if (gameMode != EditGame) return;
12636 ResurrectChessProgram();
12637 SendToProgram("analyze\n", &first);
12638 first.analyzing = TRUE;
12639 /*first.maybeThinking = TRUE;*/
12640 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12641 EngineOutputPopUp();
12643 gameMode = AnalyzeFile;
12648 StartAnalysisClock();
12649 GetTimeMark(&lastNodeCountTime);
12654 MachineWhiteEvent()
12657 char *bookHit = NULL;
12659 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12663 if (gameMode == PlayFromGameFile ||
12664 gameMode == TwoMachinesPlay ||
12665 gameMode == Training ||
12666 gameMode == AnalyzeMode ||
12667 gameMode == EndOfGame)
12670 if (gameMode == EditPosition)
12671 EditPositionDone(TRUE);
12673 if (!WhiteOnMove(currentMove)) {
12674 DisplayError(_("It is not White's turn"), 0);
12678 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12681 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12682 gameMode == AnalyzeFile)
12685 ResurrectChessProgram(); /* in case it isn't running */
12686 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12687 gameMode = MachinePlaysWhite;
12690 gameMode = MachinePlaysWhite;
12694 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12696 if (first.sendName) {
12697 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12698 SendToProgram(buf, &first);
12700 if (first.sendTime) {
12701 if (first.useColors) {
12702 SendToProgram("black\n", &first); /*gnu kludge*/
12704 SendTimeRemaining(&first, TRUE);
12706 if (first.useColors) {
12707 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12709 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12710 SetMachineThinkingEnables();
12711 first.maybeThinking = TRUE;
12715 if (appData.autoFlipView && !flipView) {
12716 flipView = !flipView;
12717 DrawPosition(FALSE, NULL);
12718 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12721 if(bookHit) { // [HGM] book: simulate book reply
12722 static char bookMove[MSG_SIZ]; // a bit generous?
12724 programStats.nodes = programStats.depth = programStats.time =
12725 programStats.score = programStats.got_only_move = 0;
12726 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12728 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12729 strcat(bookMove, bookHit);
12730 HandleMachineMove(bookMove, &first);
12735 MachineBlackEvent()
12738 char *bookHit = NULL;
12740 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12744 if (gameMode == PlayFromGameFile ||
12745 gameMode == TwoMachinesPlay ||
12746 gameMode == Training ||
12747 gameMode == AnalyzeMode ||
12748 gameMode == EndOfGame)
12751 if (gameMode == EditPosition)
12752 EditPositionDone(TRUE);
12754 if (WhiteOnMove(currentMove)) {
12755 DisplayError(_("It is not Black's turn"), 0);
12759 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12762 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12763 gameMode == AnalyzeFile)
12766 ResurrectChessProgram(); /* in case it isn't running */
12767 gameMode = MachinePlaysBlack;
12771 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12773 if (first.sendName) {
12774 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
12775 SendToProgram(buf, &first);
12777 if (first.sendTime) {
12778 if (first.useColors) {
12779 SendToProgram("white\n", &first); /*gnu kludge*/
12781 SendTimeRemaining(&first, FALSE);
12783 if (first.useColors) {
12784 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
12786 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12787 SetMachineThinkingEnables();
12788 first.maybeThinking = TRUE;
12791 if (appData.autoFlipView && flipView) {
12792 flipView = !flipView;
12793 DrawPosition(FALSE, NULL);
12794 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12796 if(bookHit) { // [HGM] book: simulate book reply
12797 static char bookMove[MSG_SIZ]; // a bit generous?
12799 programStats.nodes = programStats.depth = programStats.time =
12800 programStats.score = programStats.got_only_move = 0;
12801 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12803 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12804 strcat(bookMove, bookHit);
12805 HandleMachineMove(bookMove, &first);
12811 DisplayTwoMachinesTitle()
12814 if (appData.matchGames > 0) {
12815 if(appData.tourneyFile[0]) {
12816 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
12817 gameInfo.white, gameInfo.black,
12818 nextGame+1, appData.matchGames+1,
12819 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
12821 if (first.twoMachinesColor[0] == 'w') {
12822 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12823 gameInfo.white, gameInfo.black,
12824 first.matchWins, second.matchWins,
12825 matchGame - 1 - (first.matchWins + second.matchWins));
12827 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12828 gameInfo.white, gameInfo.black,
12829 second.matchWins, first.matchWins,
12830 matchGame - 1 - (first.matchWins + second.matchWins));
12833 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12839 SettingsMenuIfReady()
12841 if (second.lastPing != second.lastPong) {
12842 DisplayMessage("", _("Waiting for second chess program"));
12843 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
12847 DisplayMessage("", "");
12848 SettingsPopUp(&second);
12852 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
12855 if (cps->pr == NULL) {
12856 StartChessProgram(cps);
12857 if (cps->protocolVersion == 1) {
12860 /* kludge: allow timeout for initial "feature" command */
12862 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
12863 DisplayMessage("", buf);
12864 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
12872 TwoMachinesEvent P((void))
12876 ChessProgramState *onmove;
12877 char *bookHit = NULL;
12878 static int stalling = 0;
12882 if (appData.noChessProgram) return;
12884 switch (gameMode) {
12885 case TwoMachinesPlay:
12887 case MachinePlaysWhite:
12888 case MachinePlaysBlack:
12889 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12890 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12894 case BeginningOfGame:
12895 case PlayFromGameFile:
12898 if (gameMode != EditGame) return;
12901 EditPositionDone(TRUE);
12912 // forwardMostMove = currentMove;
12913 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
12915 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
12917 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
12918 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
12919 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12923 InitChessProgram(&second, FALSE); // unbalances ping of second engine
12924 SendToProgram("force\n", &second);
12926 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12929 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
12930 if(appData.matchPause>10000 || appData.matchPause<10)
12931 appData.matchPause = 10000; /* [HGM] make pause adjustable */
12932 wait = SubtractTimeMarks(&now, &pauseStart);
12933 if(wait < appData.matchPause) {
12934 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
12938 DisplayMessage("", "");
12939 if (startedFromSetupPosition) {
12940 SendBoard(&second, backwardMostMove);
12941 if (appData.debugMode) {
12942 fprintf(debugFP, "Two Machines\n");
12945 for (i = backwardMostMove; i < forwardMostMove; i++) {
12946 SendMoveToProgram(i, &second);
12949 gameMode = TwoMachinesPlay;
12951 ModeHighlight(); // [HGM] logo: this triggers display update of logos
12953 DisplayTwoMachinesTitle();
12955 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12960 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
12961 SendToProgram(first.computerString, &first);
12962 if (first.sendName) {
12963 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12964 SendToProgram(buf, &first);
12966 SendToProgram(second.computerString, &second);
12967 if (second.sendName) {
12968 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12969 SendToProgram(buf, &second);
12973 if (!first.sendTime || !second.sendTime) {
12974 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12975 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12977 if (onmove->sendTime) {
12978 if (onmove->useColors) {
12979 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12981 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12983 if (onmove->useColors) {
12984 SendToProgram(onmove->twoMachinesColor, onmove);
12986 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12987 // SendToProgram("go\n", onmove);
12988 onmove->maybeThinking = TRUE;
12989 SetMachineThinkingEnables();
12993 if(bookHit) { // [HGM] book: simulate book reply
12994 static char bookMove[MSG_SIZ]; // a bit generous?
12996 programStats.nodes = programStats.depth = programStats.time =
12997 programStats.score = programStats.got_only_move = 0;
12998 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13000 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13001 strcat(bookMove, bookHit);
13002 savedMessage = bookMove; // args for deferred call
13003 savedState = onmove;
13004 ScheduleDelayedEvent(DeferredBookMove, 1);
13011 if (gameMode == Training) {
13012 SetTrainingModeOff();
13013 gameMode = PlayFromGameFile;
13014 DisplayMessage("", _("Training mode off"));
13016 gameMode = Training;
13017 animateTraining = appData.animate;
13019 /* make sure we are not already at the end of the game */
13020 if (currentMove < forwardMostMove) {
13021 SetTrainingModeOn();
13022 DisplayMessage("", _("Training mode on"));
13024 gameMode = PlayFromGameFile;
13025 DisplayError(_("Already at end of game"), 0);
13034 if (!appData.icsActive) return;
13035 switch (gameMode) {
13036 case IcsPlayingWhite:
13037 case IcsPlayingBlack:
13040 case BeginningOfGame:
13048 EditPositionDone(TRUE);
13061 gameMode = IcsIdle;
13072 switch (gameMode) {
13074 SetTrainingModeOff();
13076 case MachinePlaysWhite:
13077 case MachinePlaysBlack:
13078 case BeginningOfGame:
13079 SendToProgram("force\n", &first);
13080 SetUserThinkingEnables();
13082 case PlayFromGameFile:
13083 (void) StopLoadGameTimer();
13084 if (gameFileFP != NULL) {
13089 EditPositionDone(TRUE);
13094 SendToProgram("force\n", &first);
13096 case TwoMachinesPlay:
13097 GameEnds(EndOfFile, NULL, GE_PLAYER);
13098 ResurrectChessProgram();
13099 SetUserThinkingEnables();
13102 ResurrectChessProgram();
13104 case IcsPlayingBlack:
13105 case IcsPlayingWhite:
13106 DisplayError(_("Warning: You are still playing a game"), 0);
13109 DisplayError(_("Warning: You are still observing a game"), 0);
13112 DisplayError(_("Warning: You are still examining a game"), 0);
13123 first.offeredDraw = second.offeredDraw = 0;
13125 if (gameMode == PlayFromGameFile) {
13126 whiteTimeRemaining = timeRemaining[0][currentMove];
13127 blackTimeRemaining = timeRemaining[1][currentMove];
13131 if (gameMode == MachinePlaysWhite ||
13132 gameMode == MachinePlaysBlack ||
13133 gameMode == TwoMachinesPlay ||
13134 gameMode == EndOfGame) {
13135 i = forwardMostMove;
13136 while (i > currentMove) {
13137 SendToProgram("undo\n", &first);
13140 whiteTimeRemaining = timeRemaining[0][currentMove];
13141 blackTimeRemaining = timeRemaining[1][currentMove];
13142 DisplayBothClocks();
13143 if (whiteFlag || blackFlag) {
13144 whiteFlag = blackFlag = 0;
13149 gameMode = EditGame;
13156 EditPositionEvent()
13158 if (gameMode == EditPosition) {
13164 if (gameMode != EditGame) return;
13166 gameMode = EditPosition;
13169 if (currentMove > 0)
13170 CopyBoard(boards[0], boards[currentMove]);
13172 blackPlaysFirst = !WhiteOnMove(currentMove);
13174 currentMove = forwardMostMove = backwardMostMove = 0;
13175 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13182 /* [DM] icsEngineAnalyze - possible call from other functions */
13183 if (appData.icsEngineAnalyze) {
13184 appData.icsEngineAnalyze = FALSE;
13186 DisplayMessage("",_("Close ICS engine analyze..."));
13188 if (first.analysisSupport && first.analyzing) {
13189 SendToProgram("exit\n", &first);
13190 first.analyzing = FALSE;
13192 thinkOutput[0] = NULLCHAR;
13196 EditPositionDone(Boolean fakeRights)
13198 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13200 startedFromSetupPosition = TRUE;
13201 InitChessProgram(&first, FALSE);
13202 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13203 boards[0][EP_STATUS] = EP_NONE;
13204 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13205 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13206 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13207 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13208 } else boards[0][CASTLING][2] = NoRights;
13209 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13210 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13211 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13212 } else boards[0][CASTLING][5] = NoRights;
13214 SendToProgram("force\n", &first);
13215 if (blackPlaysFirst) {
13216 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13217 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13218 currentMove = forwardMostMove = backwardMostMove = 1;
13219 CopyBoard(boards[1], boards[0]);
13221 currentMove = forwardMostMove = backwardMostMove = 0;
13223 SendBoard(&first, forwardMostMove);
13224 if (appData.debugMode) {
13225 fprintf(debugFP, "EditPosDone\n");
13228 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13229 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13230 gameMode = EditGame;
13232 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13233 ClearHighlights(); /* [AS] */
13236 /* Pause for `ms' milliseconds */
13237 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13247 } while (SubtractTimeMarks(&m2, &m1) < ms);
13250 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13252 SendMultiLineToICS(buf)
13255 char temp[MSG_SIZ+1], *p;
13262 strncpy(temp, buf, len);
13267 if (*p == '\n' || *p == '\r')
13272 strcat(temp, "\n");
13274 SendToPlayer(temp, strlen(temp));
13278 SetWhiteToPlayEvent()
13280 if (gameMode == EditPosition) {
13281 blackPlaysFirst = FALSE;
13282 DisplayBothClocks(); /* works because currentMove is 0 */
13283 } else if (gameMode == IcsExamining) {
13284 SendToICS(ics_prefix);
13285 SendToICS("tomove white\n");
13290 SetBlackToPlayEvent()
13292 if (gameMode == EditPosition) {
13293 blackPlaysFirst = TRUE;
13294 currentMove = 1; /* kludge */
13295 DisplayBothClocks();
13297 } else if (gameMode == IcsExamining) {
13298 SendToICS(ics_prefix);
13299 SendToICS("tomove black\n");
13304 EditPositionMenuEvent(selection, x, y)
13305 ChessSquare selection;
13309 ChessSquare piece = boards[0][y][x];
13311 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13313 switch (selection) {
13315 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13316 SendToICS(ics_prefix);
13317 SendToICS("bsetup clear\n");
13318 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13319 SendToICS(ics_prefix);
13320 SendToICS("clearboard\n");
13322 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13323 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13324 for (y = 0; y < BOARD_HEIGHT; y++) {
13325 if (gameMode == IcsExamining) {
13326 if (boards[currentMove][y][x] != EmptySquare) {
13327 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13332 boards[0][y][x] = p;
13337 if (gameMode == EditPosition) {
13338 DrawPosition(FALSE, boards[0]);
13343 SetWhiteToPlayEvent();
13347 SetBlackToPlayEvent();
13351 if (gameMode == IcsExamining) {
13352 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13353 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13356 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13357 if(x == BOARD_LEFT-2) {
13358 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13359 boards[0][y][1] = 0;
13361 if(x == BOARD_RGHT+1) {
13362 if(y >= gameInfo.holdingsSize) break;
13363 boards[0][y][BOARD_WIDTH-2] = 0;
13366 boards[0][y][x] = EmptySquare;
13367 DrawPosition(FALSE, boards[0]);
13372 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13373 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13374 selection = (ChessSquare) (PROMOTED piece);
13375 } else if(piece == EmptySquare) selection = WhiteSilver;
13376 else selection = (ChessSquare)((int)piece - 1);
13380 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13381 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13382 selection = (ChessSquare) (DEMOTED piece);
13383 } else if(piece == EmptySquare) selection = BlackSilver;
13384 else selection = (ChessSquare)((int)piece + 1);
13389 if(gameInfo.variant == VariantShatranj ||
13390 gameInfo.variant == VariantXiangqi ||
13391 gameInfo.variant == VariantCourier ||
13392 gameInfo.variant == VariantMakruk )
13393 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13398 if(gameInfo.variant == VariantXiangqi)
13399 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13400 if(gameInfo.variant == VariantKnightmate)
13401 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13404 if (gameMode == IcsExamining) {
13405 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13406 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13407 PieceToChar(selection), AAA + x, ONE + y);
13410 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13412 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13413 n = PieceToNumber(selection - BlackPawn);
13414 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13415 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13416 boards[0][BOARD_HEIGHT-1-n][1]++;
13418 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13419 n = PieceToNumber(selection);
13420 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13421 boards[0][n][BOARD_WIDTH-1] = selection;
13422 boards[0][n][BOARD_WIDTH-2]++;
13425 boards[0][y][x] = selection;
13426 DrawPosition(TRUE, boards[0]);
13434 DropMenuEvent(selection, x, y)
13435 ChessSquare selection;
13438 ChessMove moveType;
13440 switch (gameMode) {
13441 case IcsPlayingWhite:
13442 case MachinePlaysBlack:
13443 if (!WhiteOnMove(currentMove)) {
13444 DisplayMoveError(_("It is Black's turn"));
13447 moveType = WhiteDrop;
13449 case IcsPlayingBlack:
13450 case MachinePlaysWhite:
13451 if (WhiteOnMove(currentMove)) {
13452 DisplayMoveError(_("It is White's turn"));
13455 moveType = BlackDrop;
13458 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13464 if (moveType == BlackDrop && selection < BlackPawn) {
13465 selection = (ChessSquare) ((int) selection
13466 + (int) BlackPawn - (int) WhitePawn);
13468 if (boards[currentMove][y][x] != EmptySquare) {
13469 DisplayMoveError(_("That square is occupied"));
13473 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13479 /* Accept a pending offer of any kind from opponent */
13481 if (appData.icsActive) {
13482 SendToICS(ics_prefix);
13483 SendToICS("accept\n");
13484 } else if (cmailMsgLoaded) {
13485 if (currentMove == cmailOldMove &&
13486 commentList[cmailOldMove] != NULL &&
13487 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13488 "Black offers a draw" : "White offers a draw")) {
13490 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13491 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13493 DisplayError(_("There is no pending offer on this move"), 0);
13494 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13497 /* Not used for offers from chess program */
13504 /* Decline a pending offer of any kind from opponent */
13506 if (appData.icsActive) {
13507 SendToICS(ics_prefix);
13508 SendToICS("decline\n");
13509 } else if (cmailMsgLoaded) {
13510 if (currentMove == cmailOldMove &&
13511 commentList[cmailOldMove] != NULL &&
13512 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13513 "Black offers a draw" : "White offers a draw")) {
13515 AppendComment(cmailOldMove, "Draw declined", TRUE);
13516 DisplayComment(cmailOldMove - 1, "Draw declined");
13519 DisplayError(_("There is no pending offer on this move"), 0);
13522 /* Not used for offers from chess program */
13529 /* Issue ICS rematch command */
13530 if (appData.icsActive) {
13531 SendToICS(ics_prefix);
13532 SendToICS("rematch\n");
13539 /* Call your opponent's flag (claim a win on time) */
13540 if (appData.icsActive) {
13541 SendToICS(ics_prefix);
13542 SendToICS("flag\n");
13544 switch (gameMode) {
13547 case MachinePlaysWhite:
13550 GameEnds(GameIsDrawn, "Both players ran out of time",
13553 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13555 DisplayError(_("Your opponent is not out of time"), 0);
13558 case MachinePlaysBlack:
13561 GameEnds(GameIsDrawn, "Both players ran out of time",
13564 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13566 DisplayError(_("Your opponent is not out of time"), 0);
13574 ClockClick(int which)
13575 { // [HGM] code moved to back-end from winboard.c
13576 if(which) { // black clock
13577 if (gameMode == EditPosition || gameMode == IcsExamining) {
13578 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13579 SetBlackToPlayEvent();
13580 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
13581 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
13582 } else if (shiftKey) {
13583 AdjustClock(which, -1);
13584 } else if (gameMode == IcsPlayingWhite ||
13585 gameMode == MachinePlaysBlack) {
13588 } else { // white clock
13589 if (gameMode == EditPosition || gameMode == IcsExamining) {
13590 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13591 SetWhiteToPlayEvent();
13592 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
13593 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
13594 } else if (shiftKey) {
13595 AdjustClock(which, -1);
13596 } else if (gameMode == IcsPlayingBlack ||
13597 gameMode == MachinePlaysWhite) {
13606 /* Offer draw or accept pending draw offer from opponent */
13608 if (appData.icsActive) {
13609 /* Note: tournament rules require draw offers to be
13610 made after you make your move but before you punch
13611 your clock. Currently ICS doesn't let you do that;
13612 instead, you immediately punch your clock after making
13613 a move, but you can offer a draw at any time. */
13615 SendToICS(ics_prefix);
13616 SendToICS("draw\n");
13617 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13618 } else if (cmailMsgLoaded) {
13619 if (currentMove == cmailOldMove &&
13620 commentList[cmailOldMove] != NULL &&
13621 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13622 "Black offers a draw" : "White offers a draw")) {
13623 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13624 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13625 } else if (currentMove == cmailOldMove + 1) {
13626 char *offer = WhiteOnMove(cmailOldMove) ?
13627 "White offers a draw" : "Black offers a draw";
13628 AppendComment(currentMove, offer, TRUE);
13629 DisplayComment(currentMove - 1, offer);
13630 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13632 DisplayError(_("You must make your move before offering a draw"), 0);
13633 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13635 } else if (first.offeredDraw) {
13636 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13638 if (first.sendDrawOffers) {
13639 SendToProgram("draw\n", &first);
13640 userOfferedDraw = TRUE;
13648 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13650 if (appData.icsActive) {
13651 SendToICS(ics_prefix);
13652 SendToICS("adjourn\n");
13654 /* Currently GNU Chess doesn't offer or accept Adjourns */
13662 /* Offer Abort or accept pending Abort offer from opponent */
13664 if (appData.icsActive) {
13665 SendToICS(ics_prefix);
13666 SendToICS("abort\n");
13668 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13675 /* Resign. You can do this even if it's not your turn. */
13677 if (appData.icsActive) {
13678 SendToICS(ics_prefix);
13679 SendToICS("resign\n");
13681 switch (gameMode) {
13682 case MachinePlaysWhite:
13683 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13685 case MachinePlaysBlack:
13686 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13689 if (cmailMsgLoaded) {
13691 if (WhiteOnMove(cmailOldMove)) {
13692 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13694 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13696 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13707 StopObservingEvent()
13709 /* Stop observing current games */
13710 SendToICS(ics_prefix);
13711 SendToICS("unobserve\n");
13715 StopExaminingEvent()
13717 /* Stop observing current game */
13718 SendToICS(ics_prefix);
13719 SendToICS("unexamine\n");
13723 ForwardInner(target)
13728 if (appData.debugMode)
13729 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13730 target, currentMove, forwardMostMove);
13732 if (gameMode == EditPosition)
13735 if (gameMode == PlayFromGameFile && !pausing)
13738 if (gameMode == IcsExamining && pausing)
13739 limit = pauseExamForwardMostMove;
13741 limit = forwardMostMove;
13743 if (target > limit) target = limit;
13745 if (target > 0 && moveList[target - 1][0]) {
13746 int fromX, fromY, toX, toY;
13747 toX = moveList[target - 1][2] - AAA;
13748 toY = moveList[target - 1][3] - ONE;
13749 if (moveList[target - 1][1] == '@') {
13750 if (appData.highlightLastMove) {
13751 SetHighlights(-1, -1, toX, toY);
13754 fromX = moveList[target - 1][0] - AAA;
13755 fromY = moveList[target - 1][1] - ONE;
13756 if (target == currentMove + 1) {
13757 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13759 if (appData.highlightLastMove) {
13760 SetHighlights(fromX, fromY, toX, toY);
13764 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13765 gameMode == Training || gameMode == PlayFromGameFile ||
13766 gameMode == AnalyzeFile) {
13767 while (currentMove < target) {
13768 SendMoveToProgram(currentMove++, &first);
13771 currentMove = target;
13774 if (gameMode == EditGame || gameMode == EndOfGame) {
13775 whiteTimeRemaining = timeRemaining[0][currentMove];
13776 blackTimeRemaining = timeRemaining[1][currentMove];
13778 DisplayBothClocks();
13779 DisplayMove(currentMove - 1);
13780 DrawPosition(FALSE, boards[currentMove]);
13781 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13782 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
13783 DisplayComment(currentMove - 1, commentList[currentMove]);
13785 DisplayBook(currentMove);
13792 if (gameMode == IcsExamining && !pausing) {
13793 SendToICS(ics_prefix);
13794 SendToICS("forward\n");
13796 ForwardInner(currentMove + 1);
13803 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13804 /* to optimze, we temporarily turn off analysis mode while we feed
13805 * the remaining moves to the engine. Otherwise we get analysis output
13808 if (first.analysisSupport) {
13809 SendToProgram("exit\nforce\n", &first);
13810 first.analyzing = FALSE;
13814 if (gameMode == IcsExamining && !pausing) {
13815 SendToICS(ics_prefix);
13816 SendToICS("forward 999999\n");
13818 ForwardInner(forwardMostMove);
13821 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13822 /* we have fed all the moves, so reactivate analysis mode */
13823 SendToProgram("analyze\n", &first);
13824 first.analyzing = TRUE;
13825 /*first.maybeThinking = TRUE;*/
13826 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13831 BackwardInner(target)
13834 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
13836 if (appData.debugMode)
13837 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
13838 target, currentMove, forwardMostMove);
13840 if (gameMode == EditPosition) return;
13841 if (currentMove <= backwardMostMove) {
13843 DrawPosition(full_redraw, boards[currentMove]);
13846 if (gameMode == PlayFromGameFile && !pausing)
13849 if (moveList[target][0]) {
13850 int fromX, fromY, toX, toY;
13851 toX = moveList[target][2] - AAA;
13852 toY = moveList[target][3] - ONE;
13853 if (moveList[target][1] == '@') {
13854 if (appData.highlightLastMove) {
13855 SetHighlights(-1, -1, toX, toY);
13858 fromX = moveList[target][0] - AAA;
13859 fromY = moveList[target][1] - ONE;
13860 if (target == currentMove - 1) {
13861 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
13863 if (appData.highlightLastMove) {
13864 SetHighlights(fromX, fromY, toX, toY);
13868 if (gameMode == EditGame || gameMode==AnalyzeMode ||
13869 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
13870 while (currentMove > target) {
13871 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
13872 // null move cannot be undone. Reload program with move history before it.
13874 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
13875 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
13877 SendBoard(&first, i);
13878 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
13881 SendToProgram("undo\n", &first);
13885 currentMove = target;
13888 if (gameMode == EditGame || gameMode == EndOfGame) {
13889 whiteTimeRemaining = timeRemaining[0][currentMove];
13890 blackTimeRemaining = timeRemaining[1][currentMove];
13892 DisplayBothClocks();
13893 DisplayMove(currentMove - 1);
13894 DrawPosition(full_redraw, boards[currentMove]);
13895 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13896 // [HGM] PV info: routine tests if comment empty
13897 DisplayComment(currentMove - 1, commentList[currentMove]);
13898 DisplayBook(currentMove);
13904 if (gameMode == IcsExamining && !pausing) {
13905 SendToICS(ics_prefix);
13906 SendToICS("backward\n");
13908 BackwardInner(currentMove - 1);
13915 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13916 /* to optimize, we temporarily turn off analysis mode while we undo
13917 * all the moves. Otherwise we get analysis output after each undo.
13919 if (first.analysisSupport) {
13920 SendToProgram("exit\nforce\n", &first);
13921 first.analyzing = FALSE;
13925 if (gameMode == IcsExamining && !pausing) {
13926 SendToICS(ics_prefix);
13927 SendToICS("backward 999999\n");
13929 BackwardInner(backwardMostMove);
13932 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13933 /* we have fed all the moves, so reactivate analysis mode */
13934 SendToProgram("analyze\n", &first);
13935 first.analyzing = TRUE;
13936 /*first.maybeThinking = TRUE;*/
13937 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13944 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
13945 if (to >= forwardMostMove) to = forwardMostMove;
13946 if (to <= backwardMostMove) to = backwardMostMove;
13947 if (to < currentMove) {
13955 RevertEvent(Boolean annotate)
13957 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
13960 if (gameMode != IcsExamining) {
13961 DisplayError(_("You are not examining a game"), 0);
13965 DisplayError(_("You can't revert while pausing"), 0);
13968 SendToICS(ics_prefix);
13969 SendToICS("revert\n");
13975 switch (gameMode) {
13976 case MachinePlaysWhite:
13977 case MachinePlaysBlack:
13978 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13979 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13982 if (forwardMostMove < 2) return;
13983 currentMove = forwardMostMove = forwardMostMove - 2;
13984 whiteTimeRemaining = timeRemaining[0][currentMove];
13985 blackTimeRemaining = timeRemaining[1][currentMove];
13986 DisplayBothClocks();
13987 DisplayMove(currentMove - 1);
13988 ClearHighlights();/*!! could figure this out*/
13989 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13990 SendToProgram("remove\n", &first);
13991 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13994 case BeginningOfGame:
13998 case IcsPlayingWhite:
13999 case IcsPlayingBlack:
14000 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14001 SendToICS(ics_prefix);
14002 SendToICS("takeback 2\n");
14004 SendToICS(ics_prefix);
14005 SendToICS("takeback 1\n");
14014 ChessProgramState *cps;
14016 switch (gameMode) {
14017 case MachinePlaysWhite:
14018 if (!WhiteOnMove(forwardMostMove)) {
14019 DisplayError(_("It is your turn"), 0);
14024 case MachinePlaysBlack:
14025 if (WhiteOnMove(forwardMostMove)) {
14026 DisplayError(_("It is your turn"), 0);
14031 case TwoMachinesPlay:
14032 if (WhiteOnMove(forwardMostMove) ==
14033 (first.twoMachinesColor[0] == 'w')) {
14039 case BeginningOfGame:
14043 SendToProgram("?\n", cps);
14047 TruncateGameEvent()
14050 if (gameMode != EditGame) return;
14057 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14058 if (forwardMostMove > currentMove) {
14059 if (gameInfo.resultDetails != NULL) {
14060 free(gameInfo.resultDetails);
14061 gameInfo.resultDetails = NULL;
14062 gameInfo.result = GameUnfinished;
14064 forwardMostMove = currentMove;
14065 HistorySet(parseList, backwardMostMove, forwardMostMove,
14073 if (appData.noChessProgram) return;
14074 switch (gameMode) {
14075 case MachinePlaysWhite:
14076 if (WhiteOnMove(forwardMostMove)) {
14077 DisplayError(_("Wait until your turn"), 0);
14081 case BeginningOfGame:
14082 case MachinePlaysBlack:
14083 if (!WhiteOnMove(forwardMostMove)) {
14084 DisplayError(_("Wait until your turn"), 0);
14089 DisplayError(_("No hint available"), 0);
14092 SendToProgram("hint\n", &first);
14093 hintRequested = TRUE;
14099 if (appData.noChessProgram) return;
14100 switch (gameMode) {
14101 case MachinePlaysWhite:
14102 if (WhiteOnMove(forwardMostMove)) {
14103 DisplayError(_("Wait until your turn"), 0);
14107 case BeginningOfGame:
14108 case MachinePlaysBlack:
14109 if (!WhiteOnMove(forwardMostMove)) {
14110 DisplayError(_("Wait until your turn"), 0);
14115 EditPositionDone(TRUE);
14117 case TwoMachinesPlay:
14122 SendToProgram("bk\n", &first);
14123 bookOutput[0] = NULLCHAR;
14124 bookRequested = TRUE;
14130 char *tags = PGNTags(&gameInfo);
14131 TagsPopUp(tags, CmailMsg());
14135 /* end button procedures */
14138 PrintPosition(fp, move)
14144 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14145 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14146 char c = PieceToChar(boards[move][i][j]);
14147 fputc(c == 'x' ? '.' : c, fp);
14148 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14151 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14152 fprintf(fp, "white to play\n");
14154 fprintf(fp, "black to play\n");
14161 if (gameInfo.white != NULL) {
14162 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14168 /* Find last component of program's own name, using some heuristics */
14170 TidyProgramName(prog, host, buf)
14171 char *prog, *host, buf[MSG_SIZ];
14174 int local = (strcmp(host, "localhost") == 0);
14175 while (!local && (p = strchr(prog, ';')) != NULL) {
14177 while (*p == ' ') p++;
14180 if (*prog == '"' || *prog == '\'') {
14181 q = strchr(prog + 1, *prog);
14183 q = strchr(prog, ' ');
14185 if (q == NULL) q = prog + strlen(prog);
14187 while (p >= prog && *p != '/' && *p != '\\') p--;
14189 if(p == prog && *p == '"') p++;
14190 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14191 memcpy(buf, p, q - p);
14192 buf[q - p] = NULLCHAR;
14200 TimeControlTagValue()
14203 if (!appData.clockMode) {
14204 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14205 } else if (movesPerSession > 0) {
14206 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14207 } else if (timeIncrement == 0) {
14208 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14210 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14212 return StrSave(buf);
14218 /* This routine is used only for certain modes */
14219 VariantClass v = gameInfo.variant;
14220 ChessMove r = GameUnfinished;
14223 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14224 r = gameInfo.result;
14225 p = gameInfo.resultDetails;
14226 gameInfo.resultDetails = NULL;
14228 ClearGameInfo(&gameInfo);
14229 gameInfo.variant = v;
14231 switch (gameMode) {
14232 case MachinePlaysWhite:
14233 gameInfo.event = StrSave( appData.pgnEventHeader );
14234 gameInfo.site = StrSave(HostName());
14235 gameInfo.date = PGNDate();
14236 gameInfo.round = StrSave("-");
14237 gameInfo.white = StrSave(first.tidy);
14238 gameInfo.black = StrSave(UserName());
14239 gameInfo.timeControl = TimeControlTagValue();
14242 case MachinePlaysBlack:
14243 gameInfo.event = StrSave( appData.pgnEventHeader );
14244 gameInfo.site = StrSave(HostName());
14245 gameInfo.date = PGNDate();
14246 gameInfo.round = StrSave("-");
14247 gameInfo.white = StrSave(UserName());
14248 gameInfo.black = StrSave(first.tidy);
14249 gameInfo.timeControl = TimeControlTagValue();
14252 case TwoMachinesPlay:
14253 gameInfo.event = StrSave( appData.pgnEventHeader );
14254 gameInfo.site = StrSave(HostName());
14255 gameInfo.date = PGNDate();
14258 snprintf(buf, MSG_SIZ, "%d", roundNr);
14259 gameInfo.round = StrSave(buf);
14261 gameInfo.round = StrSave("-");
14263 if (first.twoMachinesColor[0] == 'w') {
14264 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14265 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14267 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14268 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14270 gameInfo.timeControl = TimeControlTagValue();
14274 gameInfo.event = StrSave("Edited game");
14275 gameInfo.site = StrSave(HostName());
14276 gameInfo.date = PGNDate();
14277 gameInfo.round = StrSave("-");
14278 gameInfo.white = StrSave("-");
14279 gameInfo.black = StrSave("-");
14280 gameInfo.result = r;
14281 gameInfo.resultDetails = p;
14285 gameInfo.event = StrSave("Edited position");
14286 gameInfo.site = StrSave(HostName());
14287 gameInfo.date = PGNDate();
14288 gameInfo.round = StrSave("-");
14289 gameInfo.white = StrSave("-");
14290 gameInfo.black = StrSave("-");
14293 case IcsPlayingWhite:
14294 case IcsPlayingBlack:
14299 case PlayFromGameFile:
14300 gameInfo.event = StrSave("Game from non-PGN file");
14301 gameInfo.site = StrSave(HostName());
14302 gameInfo.date = PGNDate();
14303 gameInfo.round = StrSave("-");
14304 gameInfo.white = StrSave("?");
14305 gameInfo.black = StrSave("?");
14314 ReplaceComment(index, text)
14322 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14323 pvInfoList[index-1].depth == len &&
14324 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14325 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14326 while (*text == '\n') text++;
14327 len = strlen(text);
14328 while (len > 0 && text[len - 1] == '\n') len--;
14330 if (commentList[index] != NULL)
14331 free(commentList[index]);
14334 commentList[index] = NULL;
14337 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14338 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14339 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14340 commentList[index] = (char *) malloc(len + 2);
14341 strncpy(commentList[index], text, len);
14342 commentList[index][len] = '\n';
14343 commentList[index][len + 1] = NULLCHAR;
14345 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14347 commentList[index] = (char *) malloc(len + 7);
14348 safeStrCpy(commentList[index], "{\n", 3);
14349 safeStrCpy(commentList[index]+2, text, len+1);
14350 commentList[index][len+2] = NULLCHAR;
14351 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14352 strcat(commentList[index], "\n}\n");
14366 if (ch == '\r') continue;
14368 } while (ch != '\0');
14372 AppendComment(index, text, addBraces)
14375 Boolean addBraces; // [HGM] braces: tells if we should add {}
14380 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14381 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14384 while (*text == '\n') text++;
14385 len = strlen(text);
14386 while (len > 0 && text[len - 1] == '\n') len--;
14388 if (len == 0) return;
14390 if (commentList[index] != NULL) {
14391 old = commentList[index];
14392 oldlen = strlen(old);
14393 while(commentList[index][oldlen-1] == '\n')
14394 commentList[index][--oldlen] = NULLCHAR;
14395 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14396 safeStrCpy(commentList[index], old, oldlen + len + 6);
14398 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14399 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14400 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14401 while (*text == '\n') { text++; len--; }
14402 commentList[index][--oldlen] = NULLCHAR;
14404 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14405 else strcat(commentList[index], "\n");
14406 strcat(commentList[index], text);
14407 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14408 else strcat(commentList[index], "\n");
14410 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14412 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14413 else commentList[index][0] = NULLCHAR;
14414 strcat(commentList[index], text);
14415 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14416 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14420 static char * FindStr( char * text, char * sub_text )
14422 char * result = strstr( text, sub_text );
14424 if( result != NULL ) {
14425 result += strlen( sub_text );
14431 /* [AS] Try to extract PV info from PGN comment */
14432 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14433 char *GetInfoFromComment( int index, char * text )
14435 char * sep = text, *p;
14437 if( text != NULL && index > 0 ) {
14440 int time = -1, sec = 0, deci;
14441 char * s_eval = FindStr( text, "[%eval " );
14442 char * s_emt = FindStr( text, "[%emt " );
14444 if( s_eval != NULL || s_emt != NULL ) {
14448 if( s_eval != NULL ) {
14449 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14453 if( delim != ']' ) {
14458 if( s_emt != NULL ) {
14463 /* We expect something like: [+|-]nnn.nn/dd */
14466 if(*text != '{') return text; // [HGM] braces: must be normal comment
14468 sep = strchr( text, '/' );
14469 if( sep == NULL || sep < (text+4) ) {
14474 if(p[1] == '(') { // comment starts with PV
14475 p = strchr(p, ')'); // locate end of PV
14476 if(p == NULL || sep < p+5) return text;
14477 // at this point we have something like "{(.*) +0.23/6 ..."
14478 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14479 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14480 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14482 time = -1; sec = -1; deci = -1;
14483 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14484 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14485 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14486 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14490 if( score_lo < 0 || score_lo >= 100 ) {
14494 if(sec >= 0) time = 600*time + 10*sec; else
14495 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14497 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14499 /* [HGM] PV time: now locate end of PV info */
14500 while( *++sep >= '0' && *sep <= '9'); // strip depth
14502 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14504 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14506 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14507 while(*sep == ' ') sep++;
14518 pvInfoList[index-1].depth = depth;
14519 pvInfoList[index-1].score = score;
14520 pvInfoList[index-1].time = 10*time; // centi-sec
14521 if(*sep == '}') *sep = 0; else *--sep = '{';
14522 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14528 SendToProgram(message, cps)
14530 ChessProgramState *cps;
14532 int count, outCount, error;
14535 if (cps->pr == NULL) return;
14538 if (appData.debugMode) {
14541 fprintf(debugFP, "%ld >%-6s: %s",
14542 SubtractTimeMarks(&now, &programStartTime),
14543 cps->which, message);
14546 count = strlen(message);
14547 outCount = OutputToProcess(cps->pr, message, count, &error);
14548 if (outCount < count && !exiting
14549 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14550 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14551 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14552 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14553 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14554 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14555 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14556 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14558 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14559 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14560 gameInfo.result = res;
14562 gameInfo.resultDetails = StrSave(buf);
14564 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14565 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14570 ReceiveFromProgram(isr, closure, message, count, error)
14571 InputSourceRef isr;
14579 ChessProgramState *cps = (ChessProgramState *)closure;
14581 if (isr != cps->isr) return; /* Killed intentionally */
14584 RemoveInputSource(cps->isr);
14585 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14586 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14587 _(cps->which), cps->program);
14588 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14589 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14590 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14591 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14592 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14594 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14595 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14596 gameInfo.result = res;
14598 gameInfo.resultDetails = StrSave(buf);
14600 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14601 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14603 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14604 _(cps->which), cps->program);
14605 RemoveInputSource(cps->isr);
14607 /* [AS] Program is misbehaving badly... kill it */
14608 if( count == -2 ) {
14609 DestroyChildProcess( cps->pr, 9 );
14613 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14618 if ((end_str = strchr(message, '\r')) != NULL)
14619 *end_str = NULLCHAR;
14620 if ((end_str = strchr(message, '\n')) != NULL)
14621 *end_str = NULLCHAR;
14623 if (appData.debugMode) {
14624 TimeMark now; int print = 1;
14625 char *quote = ""; char c; int i;
14627 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14628 char start = message[0];
14629 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14630 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14631 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14632 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14633 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14634 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14635 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14636 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14637 sscanf(message, "hint: %c", &c)!=1 &&
14638 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14639 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14640 print = (appData.engineComments >= 2);
14642 message[0] = start; // restore original message
14646 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14647 SubtractTimeMarks(&now, &programStartTime), cps->which,
14653 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14654 if (appData.icsEngineAnalyze) {
14655 if (strstr(message, "whisper") != NULL ||
14656 strstr(message, "kibitz") != NULL ||
14657 strstr(message, "tellics") != NULL) return;
14660 HandleMachineMove(message, cps);
14665 SendTimeControl(cps, mps, tc, inc, sd, st)
14666 ChessProgramState *cps;
14667 int mps, inc, sd, st;
14673 if( timeControl_2 > 0 ) {
14674 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14675 tc = timeControl_2;
14678 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14679 inc /= cps->timeOdds;
14680 st /= cps->timeOdds;
14682 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14685 /* Set exact time per move, normally using st command */
14686 if (cps->stKludge) {
14687 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14689 if (seconds == 0) {
14690 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14692 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14695 snprintf(buf, MSG_SIZ, "st %d\n", st);
14698 /* Set conventional or incremental time control, using level command */
14699 if (seconds == 0) {
14700 /* Note old gnuchess bug -- minutes:seconds used to not work.
14701 Fixed in later versions, but still avoid :seconds
14702 when seconds is 0. */
14703 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14705 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14706 seconds, inc/1000.);
14709 SendToProgram(buf, cps);
14711 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14712 /* Orthogonally, limit search to given depth */
14714 if (cps->sdKludge) {
14715 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14717 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14719 SendToProgram(buf, cps);
14722 if(cps->nps >= 0) { /* [HGM] nps */
14723 if(cps->supportsNPS == FALSE)
14724 cps->nps = -1; // don't use if engine explicitly says not supported!
14726 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14727 SendToProgram(buf, cps);
14732 ChessProgramState *WhitePlayer()
14733 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14735 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14736 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14742 SendTimeRemaining(cps, machineWhite)
14743 ChessProgramState *cps;
14744 int /*boolean*/ machineWhite;
14746 char message[MSG_SIZ];
14749 /* Note: this routine must be called when the clocks are stopped
14750 or when they have *just* been set or switched; otherwise
14751 it will be off by the time since the current tick started.
14753 if (machineWhite) {
14754 time = whiteTimeRemaining / 10;
14755 otime = blackTimeRemaining / 10;
14757 time = blackTimeRemaining / 10;
14758 otime = whiteTimeRemaining / 10;
14760 /* [HGM] translate opponent's time by time-odds factor */
14761 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14762 if (appData.debugMode) {
14763 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14766 if (time <= 0) time = 1;
14767 if (otime <= 0) otime = 1;
14769 snprintf(message, MSG_SIZ, "time %ld\n", time);
14770 SendToProgram(message, cps);
14772 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
14773 SendToProgram(message, cps);
14777 BoolFeature(p, name, loc, cps)
14781 ChessProgramState *cps;
14784 int len = strlen(name);
14787 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14789 sscanf(*p, "%d", &val);
14791 while (**p && **p != ' ')
14793 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14794 SendToProgram(buf, cps);
14801 IntFeature(p, name, loc, cps)
14805 ChessProgramState *cps;
14808 int len = strlen(name);
14809 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14811 sscanf(*p, "%d", loc);
14812 while (**p && **p != ' ') (*p)++;
14813 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14814 SendToProgram(buf, cps);
14821 StringFeature(p, name, loc, cps)
14825 ChessProgramState *cps;
14828 int len = strlen(name);
14829 if (strncmp((*p), name, len) == 0
14830 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
14832 sscanf(*p, "%[^\"]", loc);
14833 while (**p && **p != '\"') (*p)++;
14834 if (**p == '\"') (*p)++;
14835 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14836 SendToProgram(buf, cps);
14843 ParseOption(Option *opt, ChessProgramState *cps)
14844 // [HGM] options: process the string that defines an engine option, and determine
14845 // name, type, default value, and allowed value range
14847 char *p, *q, buf[MSG_SIZ];
14848 int n, min = (-1)<<31, max = 1<<31, def;
14850 if(p = strstr(opt->name, " -spin ")) {
14851 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14852 if(max < min) max = min; // enforce consistency
14853 if(def < min) def = min;
14854 if(def > max) def = max;
14859 } else if((p = strstr(opt->name, " -slider "))) {
14860 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
14861 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14862 if(max < min) max = min; // enforce consistency
14863 if(def < min) def = min;
14864 if(def > max) def = max;
14868 opt->type = Spin; // Slider;
14869 } else if((p = strstr(opt->name, " -string "))) {
14870 opt->textValue = p+9;
14871 opt->type = TextBox;
14872 } else if((p = strstr(opt->name, " -file "))) {
14873 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14874 opt->textValue = p+7;
14875 opt->type = FileName; // FileName;
14876 } else if((p = strstr(opt->name, " -path "))) {
14877 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14878 opt->textValue = p+7;
14879 opt->type = PathName; // PathName;
14880 } else if(p = strstr(opt->name, " -check ")) {
14881 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
14882 opt->value = (def != 0);
14883 opt->type = CheckBox;
14884 } else if(p = strstr(opt->name, " -combo ")) {
14885 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
14886 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
14887 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
14888 opt->value = n = 0;
14889 while(q = StrStr(q, " /// ")) {
14890 n++; *q = 0; // count choices, and null-terminate each of them
14892 if(*q == '*') { // remember default, which is marked with * prefix
14896 cps->comboList[cps->comboCnt++] = q;
14898 cps->comboList[cps->comboCnt++] = NULL;
14900 opt->type = ComboBox;
14901 } else if(p = strstr(opt->name, " -button")) {
14902 opt->type = Button;
14903 } else if(p = strstr(opt->name, " -save")) {
14904 opt->type = SaveButton;
14905 } else return FALSE;
14906 *p = 0; // terminate option name
14907 // now look if the command-line options define a setting for this engine option.
14908 if(cps->optionSettings && cps->optionSettings[0])
14909 p = strstr(cps->optionSettings, opt->name); else p = NULL;
14910 if(p && (p == cps->optionSettings || p[-1] == ',')) {
14911 snprintf(buf, MSG_SIZ, "option %s", p);
14912 if(p = strstr(buf, ",")) *p = 0;
14913 if(q = strchr(buf, '=')) switch(opt->type) {
14915 for(n=0; n<opt->max; n++)
14916 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
14919 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
14923 opt->value = atoi(q+1);
14928 SendToProgram(buf, cps);
14934 FeatureDone(cps, val)
14935 ChessProgramState* cps;
14938 DelayedEventCallback cb = GetDelayedEvent();
14939 if ((cb == InitBackEnd3 && cps == &first) ||
14940 (cb == SettingsMenuIfReady && cps == &second) ||
14941 (cb == LoadEngine) ||
14942 (cb == TwoMachinesEventIfReady)) {
14943 CancelDelayedEvent();
14944 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
14946 cps->initDone = val;
14949 /* Parse feature command from engine */
14951 ParseFeatures(args, cps)
14953 ChessProgramState *cps;
14961 while (*p == ' ') p++;
14962 if (*p == NULLCHAR) return;
14964 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
14965 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
14966 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
14967 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
14968 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
14969 if (BoolFeature(&p, "reuse", &val, cps)) {
14970 /* Engine can disable reuse, but can't enable it if user said no */
14971 if (!val) cps->reuse = FALSE;
14974 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
14975 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
14976 if (gameMode == TwoMachinesPlay) {
14977 DisplayTwoMachinesTitle();
14983 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
14984 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
14985 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
14986 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
14987 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
14988 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
14989 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
14990 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14991 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14992 if (IntFeature(&p, "done", &val, cps)) {
14993 FeatureDone(cps, val);
14996 /* Added by Tord: */
14997 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14998 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14999 /* End of additions by Tord */
15001 /* [HGM] added features: */
15002 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15003 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15004 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15005 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15006 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15007 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15008 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15009 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15010 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15011 SendToProgram(buf, cps);
15014 if(cps->nrOptions >= MAX_OPTIONS) {
15016 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15017 DisplayError(buf, 0);
15021 /* End of additions by HGM */
15023 /* unknown feature: complain and skip */
15025 while (*q && *q != '=') q++;
15026 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15027 SendToProgram(buf, cps);
15033 while (*p && *p != '\"') p++;
15034 if (*p == '\"') p++;
15036 while (*p && *p != ' ') p++;
15044 PeriodicUpdatesEvent(newState)
15047 if (newState == appData.periodicUpdates)
15050 appData.periodicUpdates=newState;
15052 /* Display type changes, so update it now */
15053 // DisplayAnalysis();
15055 /* Get the ball rolling again... */
15057 AnalysisPeriodicEvent(1);
15058 StartAnalysisClock();
15063 PonderNextMoveEvent(newState)
15066 if (newState == appData.ponderNextMove) return;
15067 if (gameMode == EditPosition) EditPositionDone(TRUE);
15069 SendToProgram("hard\n", &first);
15070 if (gameMode == TwoMachinesPlay) {
15071 SendToProgram("hard\n", &second);
15074 SendToProgram("easy\n", &first);
15075 thinkOutput[0] = NULLCHAR;
15076 if (gameMode == TwoMachinesPlay) {
15077 SendToProgram("easy\n", &second);
15080 appData.ponderNextMove = newState;
15084 NewSettingEvent(option, feature, command, value)
15086 int option, value, *feature;
15090 if (gameMode == EditPosition) EditPositionDone(TRUE);
15091 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15092 if(feature == NULL || *feature) SendToProgram(buf, &first);
15093 if (gameMode == TwoMachinesPlay) {
15094 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15099 ShowThinkingEvent()
15100 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15102 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15103 int newState = appData.showThinking
15104 // [HGM] thinking: other features now need thinking output as well
15105 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15107 if (oldState == newState) return;
15108 oldState = newState;
15109 if (gameMode == EditPosition) EditPositionDone(TRUE);
15111 SendToProgram("post\n", &first);
15112 if (gameMode == TwoMachinesPlay) {
15113 SendToProgram("post\n", &second);
15116 SendToProgram("nopost\n", &first);
15117 thinkOutput[0] = NULLCHAR;
15118 if (gameMode == TwoMachinesPlay) {
15119 SendToProgram("nopost\n", &second);
15122 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15126 AskQuestionEvent(title, question, replyPrefix, which)
15127 char *title; char *question; char *replyPrefix; char *which;
15129 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15130 if (pr == NoProc) return;
15131 AskQuestion(title, question, replyPrefix, pr);
15135 TypeInEvent(char firstChar)
15137 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15138 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15139 gameMode == AnalyzeMode || gameMode == EditGame ||
15140 gameMode == EditPosition || gameMode == IcsExamining ||
15141 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15142 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15143 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15144 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15145 gameMode == Training) PopUpMoveDialog(firstChar);
15149 TypeInDoneEvent(char *move)
15152 int n, fromX, fromY, toX, toY;
15154 ChessMove moveType;
15157 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15158 EditPositionPasteFEN(move);
15161 // [HGM] movenum: allow move number to be typed in any mode
15162 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15167 if (gameMode != EditGame && currentMove != forwardMostMove &&
15168 gameMode != Training) {
15169 DisplayMoveError(_("Displayed move is not current"));
15171 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15172 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15173 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15174 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15175 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15176 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15178 DisplayMoveError(_("Could not parse move"));
15184 DisplayMove(moveNumber)
15187 char message[MSG_SIZ];
15189 char cpThinkOutput[MSG_SIZ];
15191 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15193 if (moveNumber == forwardMostMove - 1 ||
15194 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15196 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15198 if (strchr(cpThinkOutput, '\n')) {
15199 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15202 *cpThinkOutput = NULLCHAR;
15205 /* [AS] Hide thinking from human user */
15206 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15207 *cpThinkOutput = NULLCHAR;
15208 if( thinkOutput[0] != NULLCHAR ) {
15211 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15212 cpThinkOutput[i] = '.';
15214 cpThinkOutput[i] = NULLCHAR;
15215 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15219 if (moveNumber == forwardMostMove - 1 &&
15220 gameInfo.resultDetails != NULL) {
15221 if (gameInfo.resultDetails[0] == NULLCHAR) {
15222 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15224 snprintf(res, MSG_SIZ, " {%s} %s",
15225 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15231 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15232 DisplayMessage(res, cpThinkOutput);
15234 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15235 WhiteOnMove(moveNumber) ? " " : ".. ",
15236 parseList[moveNumber], res);
15237 DisplayMessage(message, cpThinkOutput);
15242 DisplayComment(moveNumber, text)
15246 char title[MSG_SIZ];
15248 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15249 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15251 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15252 WhiteOnMove(moveNumber) ? " " : ".. ",
15253 parseList[moveNumber]);
15255 if (text != NULL && (appData.autoDisplayComment || commentUp))
15256 CommentPopUp(title, text);
15259 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15260 * might be busy thinking or pondering. It can be omitted if your
15261 * gnuchess is configured to stop thinking immediately on any user
15262 * input. However, that gnuchess feature depends on the FIONREAD
15263 * ioctl, which does not work properly on some flavors of Unix.
15267 ChessProgramState *cps;
15270 if (!cps->useSigint) return;
15271 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15272 switch (gameMode) {
15273 case MachinePlaysWhite:
15274 case MachinePlaysBlack:
15275 case TwoMachinesPlay:
15276 case IcsPlayingWhite:
15277 case IcsPlayingBlack:
15280 /* Skip if we know it isn't thinking */
15281 if (!cps->maybeThinking) return;
15282 if (appData.debugMode)
15283 fprintf(debugFP, "Interrupting %s\n", cps->which);
15284 InterruptChildProcess(cps->pr);
15285 cps->maybeThinking = FALSE;
15290 #endif /*ATTENTION*/
15296 if (whiteTimeRemaining <= 0) {
15299 if (appData.icsActive) {
15300 if (appData.autoCallFlag &&
15301 gameMode == IcsPlayingBlack && !blackFlag) {
15302 SendToICS(ics_prefix);
15303 SendToICS("flag\n");
15307 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15309 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15310 if (appData.autoCallFlag) {
15311 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15318 if (blackTimeRemaining <= 0) {
15321 if (appData.icsActive) {
15322 if (appData.autoCallFlag &&
15323 gameMode == IcsPlayingWhite && !whiteFlag) {
15324 SendToICS(ics_prefix);
15325 SendToICS("flag\n");
15329 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15331 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15332 if (appData.autoCallFlag) {
15333 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15346 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15347 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15350 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15352 if ( !WhiteOnMove(forwardMostMove) ) {
15353 /* White made time control */
15354 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15355 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15356 /* [HGM] time odds: correct new time quota for time odds! */
15357 / WhitePlayer()->timeOdds;
15358 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15360 lastBlack -= blackTimeRemaining;
15361 /* Black made time control */
15362 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15363 / WhitePlayer()->other->timeOdds;
15364 lastWhite = whiteTimeRemaining;
15369 DisplayBothClocks()
15371 int wom = gameMode == EditPosition ?
15372 !blackPlaysFirst : WhiteOnMove(currentMove);
15373 DisplayWhiteClock(whiteTimeRemaining, wom);
15374 DisplayBlackClock(blackTimeRemaining, !wom);
15378 /* Timekeeping seems to be a portability nightmare. I think everyone
15379 has ftime(), but I'm really not sure, so I'm including some ifdefs
15380 to use other calls if you don't. Clocks will be less accurate if
15381 you have neither ftime nor gettimeofday.
15384 /* VS 2008 requires the #include outside of the function */
15385 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15386 #include <sys/timeb.h>
15389 /* Get the current time as a TimeMark */
15394 #if HAVE_GETTIMEOFDAY
15396 struct timeval timeVal;
15397 struct timezone timeZone;
15399 gettimeofday(&timeVal, &timeZone);
15400 tm->sec = (long) timeVal.tv_sec;
15401 tm->ms = (int) (timeVal.tv_usec / 1000L);
15403 #else /*!HAVE_GETTIMEOFDAY*/
15406 // include <sys/timeb.h> / moved to just above start of function
15407 struct timeb timeB;
15410 tm->sec = (long) timeB.time;
15411 tm->ms = (int) timeB.millitm;
15413 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15414 tm->sec = (long) time(NULL);
15420 /* Return the difference in milliseconds between two
15421 time marks. We assume the difference will fit in a long!
15424 SubtractTimeMarks(tm2, tm1)
15425 TimeMark *tm2, *tm1;
15427 return 1000L*(tm2->sec - tm1->sec) +
15428 (long) (tm2->ms - tm1->ms);
15433 * Code to manage the game clocks.
15435 * In tournament play, black starts the clock and then white makes a move.
15436 * We give the human user a slight advantage if he is playing white---the
15437 * clocks don't run until he makes his first move, so it takes zero time.
15438 * Also, we don't account for network lag, so we could get out of sync
15439 * with GNU Chess's clock -- but then, referees are always right.
15442 static TimeMark tickStartTM;
15443 static long intendedTickLength;
15446 NextTickLength(timeRemaining)
15447 long timeRemaining;
15449 long nominalTickLength, nextTickLength;
15451 if (timeRemaining > 0L && timeRemaining <= 10000L)
15452 nominalTickLength = 100L;
15454 nominalTickLength = 1000L;
15455 nextTickLength = timeRemaining % nominalTickLength;
15456 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15458 return nextTickLength;
15461 /* Adjust clock one minute up or down */
15463 AdjustClock(Boolean which, int dir)
15465 if(which) blackTimeRemaining += 60000*dir;
15466 else whiteTimeRemaining += 60000*dir;
15467 DisplayBothClocks();
15470 /* Stop clocks and reset to a fresh time control */
15474 (void) StopClockTimer();
15475 if (appData.icsActive) {
15476 whiteTimeRemaining = blackTimeRemaining = 0;
15477 } else if (searchTime) {
15478 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15479 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15480 } else { /* [HGM] correct new time quote for time odds */
15481 whiteTC = blackTC = fullTimeControlString;
15482 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15483 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15485 if (whiteFlag || blackFlag) {
15487 whiteFlag = blackFlag = FALSE;
15489 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15490 DisplayBothClocks();
15493 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15495 /* Decrement running clock by amount of time that has passed */
15499 long timeRemaining;
15500 long lastTickLength, fudge;
15503 if (!appData.clockMode) return;
15504 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15508 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15510 /* Fudge if we woke up a little too soon */
15511 fudge = intendedTickLength - lastTickLength;
15512 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15514 if (WhiteOnMove(forwardMostMove)) {
15515 if(whiteNPS >= 0) lastTickLength = 0;
15516 timeRemaining = whiteTimeRemaining -= lastTickLength;
15517 if(timeRemaining < 0 && !appData.icsActive) {
15518 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15519 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15520 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15521 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15524 DisplayWhiteClock(whiteTimeRemaining - fudge,
15525 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15527 if(blackNPS >= 0) lastTickLength = 0;
15528 timeRemaining = blackTimeRemaining -= lastTickLength;
15529 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15530 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15532 blackStartMove = forwardMostMove;
15533 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15536 DisplayBlackClock(blackTimeRemaining - fudge,
15537 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15539 if (CheckFlags()) return;
15542 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15543 StartClockTimer(intendedTickLength);
15545 /* if the time remaining has fallen below the alarm threshold, sound the
15546 * alarm. if the alarm has sounded and (due to a takeback or time control
15547 * with increment) the time remaining has increased to a level above the
15548 * threshold, reset the alarm so it can sound again.
15551 if (appData.icsActive && appData.icsAlarm) {
15553 /* make sure we are dealing with the user's clock */
15554 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15555 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15558 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15559 alarmSounded = FALSE;
15560 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15562 alarmSounded = TRUE;
15568 /* A player has just moved, so stop the previously running
15569 clock and (if in clock mode) start the other one.
15570 We redisplay both clocks in case we're in ICS mode, because
15571 ICS gives us an update to both clocks after every move.
15572 Note that this routine is called *after* forwardMostMove
15573 is updated, so the last fractional tick must be subtracted
15574 from the color that is *not* on move now.
15577 SwitchClocks(int newMoveNr)
15579 long lastTickLength;
15581 int flagged = FALSE;
15585 if (StopClockTimer() && appData.clockMode) {
15586 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15587 if (!WhiteOnMove(forwardMostMove)) {
15588 if(blackNPS >= 0) lastTickLength = 0;
15589 blackTimeRemaining -= lastTickLength;
15590 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15591 // if(pvInfoList[forwardMostMove].time == -1)
15592 pvInfoList[forwardMostMove].time = // use GUI time
15593 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15595 if(whiteNPS >= 0) lastTickLength = 0;
15596 whiteTimeRemaining -= lastTickLength;
15597 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15598 // if(pvInfoList[forwardMostMove].time == -1)
15599 pvInfoList[forwardMostMove].time =
15600 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15602 flagged = CheckFlags();
15604 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15605 CheckTimeControl();
15607 if (flagged || !appData.clockMode) return;
15609 switch (gameMode) {
15610 case MachinePlaysBlack:
15611 case MachinePlaysWhite:
15612 case BeginningOfGame:
15613 if (pausing) return;
15617 case PlayFromGameFile:
15625 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15626 if(WhiteOnMove(forwardMostMove))
15627 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15628 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15632 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15633 whiteTimeRemaining : blackTimeRemaining);
15634 StartClockTimer(intendedTickLength);
15638 /* Stop both clocks */
15642 long lastTickLength;
15645 if (!StopClockTimer()) return;
15646 if (!appData.clockMode) return;
15650 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15651 if (WhiteOnMove(forwardMostMove)) {
15652 if(whiteNPS >= 0) lastTickLength = 0;
15653 whiteTimeRemaining -= lastTickLength;
15654 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15656 if(blackNPS >= 0) lastTickLength = 0;
15657 blackTimeRemaining -= lastTickLength;
15658 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15663 /* Start clock of player on move. Time may have been reset, so
15664 if clock is already running, stop and restart it. */
15668 (void) StopClockTimer(); /* in case it was running already */
15669 DisplayBothClocks();
15670 if (CheckFlags()) return;
15672 if (!appData.clockMode) return;
15673 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15675 GetTimeMark(&tickStartTM);
15676 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15677 whiteTimeRemaining : blackTimeRemaining);
15679 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15680 whiteNPS = blackNPS = -1;
15681 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15682 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15683 whiteNPS = first.nps;
15684 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15685 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15686 blackNPS = first.nps;
15687 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15688 whiteNPS = second.nps;
15689 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15690 blackNPS = second.nps;
15691 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15693 StartClockTimer(intendedTickLength);
15700 long second, minute, hour, day;
15702 static char buf[32];
15704 if (ms > 0 && ms <= 9900) {
15705 /* convert milliseconds to tenths, rounding up */
15706 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15708 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15712 /* convert milliseconds to seconds, rounding up */
15713 /* use floating point to avoid strangeness of integer division
15714 with negative dividends on many machines */
15715 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15722 day = second / (60 * 60 * 24);
15723 second = second % (60 * 60 * 24);
15724 hour = second / (60 * 60);
15725 second = second % (60 * 60);
15726 minute = second / 60;
15727 second = second % 60;
15730 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15731 sign, day, hour, minute, second);
15733 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15735 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15742 * This is necessary because some C libraries aren't ANSI C compliant yet.
15745 StrStr(string, match)
15746 char *string, *match;
15750 length = strlen(match);
15752 for (i = strlen(string) - length; i >= 0; i--, string++)
15753 if (!strncmp(match, string, length))
15760 StrCaseStr(string, match)
15761 char *string, *match;
15765 length = strlen(match);
15767 for (i = strlen(string) - length; i >= 0; i--, string++) {
15768 for (j = 0; j < length; j++) {
15769 if (ToLower(match[j]) != ToLower(string[j]))
15772 if (j == length) return string;
15786 c1 = ToLower(*s1++);
15787 c2 = ToLower(*s2++);
15788 if (c1 > c2) return 1;
15789 if (c1 < c2) return -1;
15790 if (c1 == NULLCHAR) return 0;
15799 return isupper(c) ? tolower(c) : c;
15807 return islower(c) ? toupper(c) : c;
15809 #endif /* !_amigados */
15817 if ((ret = (char *) malloc(strlen(s) + 1)))
15819 safeStrCpy(ret, s, strlen(s)+1);
15825 StrSavePtr(s, savePtr)
15826 char *s, **savePtr;
15831 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
15832 safeStrCpy(*savePtr, s, strlen(s)+1);
15844 clock = time((time_t *)NULL);
15845 tm = localtime(&clock);
15846 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
15847 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
15848 return StrSave(buf);
15853 PositionToFEN(move, overrideCastling)
15855 char *overrideCastling;
15857 int i, j, fromX, fromY, toX, toY;
15864 whiteToPlay = (gameMode == EditPosition) ?
15865 !blackPlaysFirst : (move % 2 == 0);
15868 /* Piece placement data */
15869 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15870 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
15872 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15873 if (boards[move][i][j] == EmptySquare) {
15875 } else { ChessSquare piece = boards[move][i][j];
15876 if (emptycount > 0) {
15877 if(emptycount<10) /* [HGM] can be >= 10 */
15878 *p++ = '0' + emptycount;
15879 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15882 if(PieceToChar(piece) == '+') {
15883 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
15885 piece = (ChessSquare)(DEMOTED piece);
15887 *p++ = PieceToChar(piece);
15889 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
15890 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
15895 if (emptycount > 0) {
15896 if(emptycount<10) /* [HGM] can be >= 10 */
15897 *p++ = '0' + emptycount;
15898 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15905 /* [HGM] print Crazyhouse or Shogi holdings */
15906 if( gameInfo.holdingsWidth ) {
15907 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
15909 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
15910 piece = boards[move][i][BOARD_WIDTH-1];
15911 if( piece != EmptySquare )
15912 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
15913 *p++ = PieceToChar(piece);
15915 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
15916 piece = boards[move][BOARD_HEIGHT-i-1][0];
15917 if( piece != EmptySquare )
15918 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
15919 *p++ = PieceToChar(piece);
15922 if( q == p ) *p++ = '-';
15928 *p++ = whiteToPlay ? 'w' : 'b';
15931 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
15932 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
15934 if(nrCastlingRights) {
15936 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
15937 /* [HGM] write directly from rights */
15938 if(boards[move][CASTLING][2] != NoRights &&
15939 boards[move][CASTLING][0] != NoRights )
15940 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
15941 if(boards[move][CASTLING][2] != NoRights &&
15942 boards[move][CASTLING][1] != NoRights )
15943 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
15944 if(boards[move][CASTLING][5] != NoRights &&
15945 boards[move][CASTLING][3] != NoRights )
15946 *p++ = boards[move][CASTLING][3] + AAA;
15947 if(boards[move][CASTLING][5] != NoRights &&
15948 boards[move][CASTLING][4] != NoRights )
15949 *p++ = boards[move][CASTLING][4] + AAA;
15952 /* [HGM] write true castling rights */
15953 if( nrCastlingRights == 6 ) {
15954 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
15955 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
15956 if(boards[move][CASTLING][1] == BOARD_LEFT &&
15957 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
15958 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
15959 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
15960 if(boards[move][CASTLING][4] == BOARD_LEFT &&
15961 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
15964 if (q == p) *p++ = '-'; /* No castling rights */
15968 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15969 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15970 /* En passant target square */
15971 if (move > backwardMostMove) {
15972 fromX = moveList[move - 1][0] - AAA;
15973 fromY = moveList[move - 1][1] - ONE;
15974 toX = moveList[move - 1][2] - AAA;
15975 toY = moveList[move - 1][3] - ONE;
15976 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
15977 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
15978 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
15980 /* 2-square pawn move just happened */
15982 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15986 } else if(move == backwardMostMove) {
15987 // [HGM] perhaps we should always do it like this, and forget the above?
15988 if((signed char)boards[move][EP_STATUS] >= 0) {
15989 *p++ = boards[move][EP_STATUS] + AAA;
15990 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16001 /* [HGM] find reversible plies */
16002 { int i = 0, j=move;
16004 if (appData.debugMode) { int k;
16005 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16006 for(k=backwardMostMove; k<=forwardMostMove; k++)
16007 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16011 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16012 if( j == backwardMostMove ) i += initialRulePlies;
16013 sprintf(p, "%d ", i);
16014 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16016 /* Fullmove number */
16017 sprintf(p, "%d", (move / 2) + 1);
16019 return StrSave(buf);
16023 ParseFEN(board, blackPlaysFirst, fen)
16025 int *blackPlaysFirst;
16035 /* [HGM] by default clear Crazyhouse holdings, if present */
16036 if(gameInfo.holdingsWidth) {
16037 for(i=0; i<BOARD_HEIGHT; i++) {
16038 board[i][0] = EmptySquare; /* black holdings */
16039 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16040 board[i][1] = (ChessSquare) 0; /* black counts */
16041 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16045 /* Piece placement data */
16046 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16049 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16050 if (*p == '/') p++;
16051 emptycount = gameInfo.boardWidth - j;
16052 while (emptycount--)
16053 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16055 #if(BOARD_FILES >= 10)
16056 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16057 p++; emptycount=10;
16058 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16059 while (emptycount--)
16060 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16062 } else if (isdigit(*p)) {
16063 emptycount = *p++ - '0';
16064 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16065 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16066 while (emptycount--)
16067 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16068 } else if (*p == '+' || isalpha(*p)) {
16069 if (j >= gameInfo.boardWidth) return FALSE;
16071 piece = CharToPiece(*++p);
16072 if(piece == EmptySquare) return FALSE; /* unknown piece */
16073 piece = (ChessSquare) (PROMOTED piece ); p++;
16074 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16075 } else piece = CharToPiece(*p++);
16077 if(piece==EmptySquare) return FALSE; /* unknown piece */
16078 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16079 piece = (ChessSquare) (PROMOTED piece);
16080 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16083 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16089 while (*p == '/' || *p == ' ') p++;
16091 /* [HGM] look for Crazyhouse holdings here */
16092 while(*p==' ') p++;
16093 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16095 if(*p == '-' ) p++; /* empty holdings */ else {
16096 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16097 /* if we would allow FEN reading to set board size, we would */
16098 /* have to add holdings and shift the board read so far here */
16099 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16101 if((int) piece >= (int) BlackPawn ) {
16102 i = (int)piece - (int)BlackPawn;
16103 i = PieceToNumber((ChessSquare)i);
16104 if( i >= gameInfo.holdingsSize ) return FALSE;
16105 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16106 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16108 i = (int)piece - (int)WhitePawn;
16109 i = PieceToNumber((ChessSquare)i);
16110 if( i >= gameInfo.holdingsSize ) return FALSE;
16111 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16112 board[i][BOARD_WIDTH-2]++; /* black holdings */
16119 while(*p == ' ') p++;
16123 if(appData.colorNickNames) {
16124 if( c == appData.colorNickNames[0] ) c = 'w'; else
16125 if( c == appData.colorNickNames[1] ) c = 'b';
16129 *blackPlaysFirst = FALSE;
16132 *blackPlaysFirst = TRUE;
16138 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16139 /* return the extra info in global variiables */
16141 /* set defaults in case FEN is incomplete */
16142 board[EP_STATUS] = EP_UNKNOWN;
16143 for(i=0; i<nrCastlingRights; i++ ) {
16144 board[CASTLING][i] =
16145 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16146 } /* assume possible unless obviously impossible */
16147 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16148 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16149 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16150 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16151 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16152 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16153 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16154 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16157 while(*p==' ') p++;
16158 if(nrCastlingRights) {
16159 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16160 /* castling indicator present, so default becomes no castlings */
16161 for(i=0; i<nrCastlingRights; i++ ) {
16162 board[CASTLING][i] = NoRights;
16165 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16166 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16167 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16168 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16169 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16171 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16172 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16173 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16175 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16176 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16177 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16178 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16179 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16180 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16183 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16184 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16185 board[CASTLING][2] = whiteKingFile;
16188 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16189 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16190 board[CASTLING][2] = whiteKingFile;
16193 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16194 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16195 board[CASTLING][5] = blackKingFile;
16198 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16199 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16200 board[CASTLING][5] = blackKingFile;
16203 default: /* FRC castlings */
16204 if(c >= 'a') { /* black rights */
16205 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16206 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16207 if(i == BOARD_RGHT) break;
16208 board[CASTLING][5] = i;
16210 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16211 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16213 board[CASTLING][3] = c;
16215 board[CASTLING][4] = c;
16216 } else { /* white rights */
16217 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16218 if(board[0][i] == WhiteKing) break;
16219 if(i == BOARD_RGHT) break;
16220 board[CASTLING][2] = i;
16221 c -= AAA - 'a' + 'A';
16222 if(board[0][c] >= WhiteKing) break;
16224 board[CASTLING][0] = c;
16226 board[CASTLING][1] = c;
16230 for(i=0; i<nrCastlingRights; i++)
16231 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16232 if (appData.debugMode) {
16233 fprintf(debugFP, "FEN castling rights:");
16234 for(i=0; i<nrCastlingRights; i++)
16235 fprintf(debugFP, " %d", board[CASTLING][i]);
16236 fprintf(debugFP, "\n");
16239 while(*p==' ') p++;
16242 /* read e.p. field in games that know e.p. capture */
16243 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16244 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16246 p++; board[EP_STATUS] = EP_NONE;
16248 char c = *p++ - AAA;
16250 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16251 if(*p >= '0' && *p <='9') p++;
16252 board[EP_STATUS] = c;
16257 if(sscanf(p, "%d", &i) == 1) {
16258 FENrulePlies = i; /* 50-move ply counter */
16259 /* (The move number is still ignored) */
16266 EditPositionPasteFEN(char *fen)
16269 Board initial_position;
16271 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16272 DisplayError(_("Bad FEN position in clipboard"), 0);
16275 int savedBlackPlaysFirst = blackPlaysFirst;
16276 EditPositionEvent();
16277 blackPlaysFirst = savedBlackPlaysFirst;
16278 CopyBoard(boards[0], initial_position);
16279 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16280 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16281 DisplayBothClocks();
16282 DrawPosition(FALSE, boards[currentMove]);
16287 static char cseq[12] = "\\ ";
16289 Boolean set_cont_sequence(char *new_seq)
16294 // handle bad attempts to set the sequence
16296 return 0; // acceptable error - no debug
16298 len = strlen(new_seq);
16299 ret = (len > 0) && (len < sizeof(cseq));
16301 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16302 else if (appData.debugMode)
16303 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16308 reformat a source message so words don't cross the width boundary. internal
16309 newlines are not removed. returns the wrapped size (no null character unless
16310 included in source message). If dest is NULL, only calculate the size required
16311 for the dest buffer. lp argument indicats line position upon entry, and it's
16312 passed back upon exit.
16314 int wrap(char *dest, char *src, int count, int width, int *lp)
16316 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16318 cseq_len = strlen(cseq);
16319 old_line = line = *lp;
16320 ansi = len = clen = 0;
16322 for (i=0; i < count; i++)
16324 if (src[i] == '\033')
16327 // if we hit the width, back up
16328 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16330 // store i & len in case the word is too long
16331 old_i = i, old_len = len;
16333 // find the end of the last word
16334 while (i && src[i] != ' ' && src[i] != '\n')
16340 // word too long? restore i & len before splitting it
16341 if ((old_i-i+clen) >= width)
16348 if (i && src[i-1] == ' ')
16351 if (src[i] != ' ' && src[i] != '\n')
16358 // now append the newline and continuation sequence
16363 strncpy(dest+len, cseq, cseq_len);
16371 dest[len] = src[i];
16375 if (src[i] == '\n')
16380 if (dest && appData.debugMode)
16382 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16383 count, width, line, len, *lp);
16384 show_bytes(debugFP, src, count);
16385 fprintf(debugFP, "\ndest: ");
16386 show_bytes(debugFP, dest, len);
16387 fprintf(debugFP, "\n");
16389 *lp = dest ? line : old_line;
16394 // [HGM] vari: routines for shelving variations
16397 PushInner(int firstMove, int lastMove)
16399 int i, j, nrMoves = lastMove - firstMove;
16401 // push current tail of game on stack
16402 savedResult[storedGames] = gameInfo.result;
16403 savedDetails[storedGames] = gameInfo.resultDetails;
16404 gameInfo.resultDetails = NULL;
16405 savedFirst[storedGames] = firstMove;
16406 savedLast [storedGames] = lastMove;
16407 savedFramePtr[storedGames] = framePtr;
16408 framePtr -= nrMoves; // reserve space for the boards
16409 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16410 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16411 for(j=0; j<MOVE_LEN; j++)
16412 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16413 for(j=0; j<2*MOVE_LEN; j++)
16414 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16415 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16416 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16417 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16418 pvInfoList[firstMove+i-1].depth = 0;
16419 commentList[framePtr+i] = commentList[firstMove+i];
16420 commentList[firstMove+i] = NULL;
16424 forwardMostMove = firstMove; // truncate game so we can start variation
16428 PushTail(int firstMove, int lastMove)
16430 if(appData.icsActive) { // only in local mode
16431 forwardMostMove = currentMove; // mimic old ICS behavior
16434 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16436 PushInner(firstMove, lastMove);
16437 if(storedGames == 1) GreyRevert(FALSE);
16441 PopInner(Boolean annotate)
16444 char buf[8000], moveBuf[20];
16447 ToNrEvent(savedFirst[storedGames]); // sets currentMove
16448 nrMoves = savedLast[storedGames] - currentMove;
16451 if(!WhiteOnMove(currentMove))
16452 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16453 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16454 for(i=currentMove; i<forwardMostMove; i++) {
16456 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16457 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16458 strcat(buf, moveBuf);
16459 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16460 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16464 for(i=1; i<=nrMoves; i++) { // copy last variation back
16465 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16466 for(j=0; j<MOVE_LEN; j++)
16467 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16468 for(j=0; j<2*MOVE_LEN; j++)
16469 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16470 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16471 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16472 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16473 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16474 commentList[currentMove+i] = commentList[framePtr+i];
16475 commentList[framePtr+i] = NULL;
16477 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16478 framePtr = savedFramePtr[storedGames];
16479 gameInfo.result = savedResult[storedGames];
16480 if(gameInfo.resultDetails != NULL) {
16481 free(gameInfo.resultDetails);
16483 gameInfo.resultDetails = savedDetails[storedGames];
16484 forwardMostMove = currentMove + nrMoves;
16488 PopTail(Boolean annotate)
16490 if(appData.icsActive) return FALSE; // only in local mode
16491 if(!storedGames) return FALSE; // sanity
16492 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16494 PopInner(annotate);
16496 if(storedGames == 0) GreyRevert(TRUE);
16502 { // remove all shelved variations
16504 for(i=0; i<storedGames; i++) {
16505 if(savedDetails[i])
16506 free(savedDetails[i]);
16507 savedDetails[i] = NULL;
16509 for(i=framePtr; i<MAX_MOVES; i++) {
16510 if(commentList[i]) free(commentList[i]);
16511 commentList[i] = NULL;
16513 framePtr = MAX_MOVES-1;
16518 LoadVariation(int index, char *text)
16519 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16520 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16521 int level = 0, move;
16523 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
16524 // first find outermost bracketing variation
16525 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16526 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16527 if(*p == '{') wait = '}'; else
16528 if(*p == '[') wait = ']'; else
16529 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16530 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16532 if(*p == wait) wait = NULLCHAR; // closing ]} found
16535 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16536 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16537 end[1] = NULLCHAR; // clip off comment beyond variation
16538 ToNrEvent(currentMove-1);
16539 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16540 // kludge: use ParsePV() to append variation to game
16541 move = currentMove;
16542 ParsePV(start, TRUE, TRUE);
16543 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16544 ClearPremoveHighlights();
16546 ToNrEvent(currentMove+1);