2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
60 int flock(int f, int code);
67 #define DoSleep( n ) if( (n) >= 0) sleep(n)
78 #include <sys/types.h>
87 #else /* not STDC_HEADERS */
90 # else /* not HAVE_STRING_H */
92 # endif /* not HAVE_STRING_H */
93 #endif /* not STDC_HEADERS */
96 # include <sys/fcntl.h>
97 #else /* not HAVE_SYS_FCNTL_H */
100 # endif /* HAVE_FCNTL_H */
101 #endif /* not HAVE_SYS_FCNTL_H */
103 #if TIME_WITH_SYS_TIME
104 # include <sys/time.h>
108 # include <sys/time.h>
114 #if defined(_amigados) && !defined(__GNUC__)
119 extern int gettimeofday(struct timeval *, struct timezone *);
127 #include "frontend.h"
134 #include "backendz.h"
138 # define _(s) gettext (s)
139 # define N_(s) gettext_noop (s)
140 # define T_(s) gettext(s)
153 /* A point in time */
155 long sec; /* Assuming this is >= 32 bits */
156 int ms; /* Assuming this is >= 16 bits */
159 int establish P((void));
160 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
161 char *buf, int count, int error));
162 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
163 char *buf, int count, int error));
164 void ics_printf P((char *format, ...));
165 void SendToICS P((char *s));
166 void SendToICSDelayed P((char *s, long msdelay));
167 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
168 void HandleMachineMove P((char *message, ChessProgramState *cps));
169 int AutoPlayOneMove P((void));
170 int LoadGameOneMove P((ChessMove readAhead));
171 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
172 int LoadPositionFromFile P((char *filename, int n, char *title));
173 int SavePositionToFile P((char *filename));
174 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
176 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
177 void ShowMove P((int fromX, int fromY, int toX, int toY));
178 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
179 /*char*/int promoChar));
180 void BackwardInner P((int target));
181 void ForwardInner P((int target));
182 int Adjudicate P((ChessProgramState *cps));
183 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
184 void EditPositionDone P((Boolean fakeRights));
185 void PrintOpponents P((FILE *fp));
186 void PrintPosition P((FILE *fp, int move));
187 void StartChessProgram P((ChessProgramState *cps));
188 void SendToProgram P((char *message, ChessProgramState *cps));
189 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
190 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
191 char *buf, int count, int error));
192 void SendTimeControl P((ChessProgramState *cps,
193 int mps, long tc, int inc, int sd, int st));
194 char *TimeControlTagValue P((void));
195 void Attention P((ChessProgramState *cps));
196 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
197 int ResurrectChessProgram P((void));
198 void DisplayComment P((int moveNumber, char *text));
199 void DisplayMove P((int moveNumber));
201 void ParseGameHistory P((char *game));
202 void ParseBoard12 P((char *string));
203 void KeepAlive P((void));
204 void StartClocks P((void));
205 void SwitchClocks P((int nr));
206 void StopClocks P((void));
207 void ResetClocks P((void));
208 char *PGNDate P((void));
209 void SetGameInfo P((void));
210 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
211 int RegisterMove P((void));
212 void MakeRegisteredMove P((void));
213 void TruncateGame P((void));
214 int looking_at P((char *, int *, char *));
215 void CopyPlayerNameIntoFileName P((char **, char *));
216 char *SavePart P((char *));
217 int SaveGameOldStyle P((FILE *));
218 int SaveGamePGN P((FILE *));
219 void GetTimeMark P((TimeMark *));
220 long SubtractTimeMarks P((TimeMark *, TimeMark *));
221 int CheckFlags P((void));
222 long NextTickLength P((long));
223 void CheckTimeControl P((void));
224 void show_bytes P((FILE *, char *, int));
225 int string_to_rating P((char *str));
226 void ParseFeatures P((char* args, ChessProgramState *cps));
227 void InitBackEnd3 P((void));
228 void FeatureDone P((ChessProgramState* cps, int val));
229 void InitChessProgram P((ChessProgramState *cps, int setup));
230 void OutputKibitz(int window, char *text);
231 int PerpetualChase(int first, int last);
232 int EngineOutputIsUp();
233 void InitDrawingSizes(int x, int y);
234 void NextMatchGame P((void));
235 int NextTourneyGame P((int nr, int *swap));
236 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
237 FILE *WriteTourneyFile P((char *results, FILE *f));
238 void DisplayTwoMachinesTitle P(());
241 extern void ConsoleCreate();
244 ChessProgramState *WhitePlayer();
245 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
246 int VerifyDisplayMode P(());
248 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
249 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
250 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
251 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
252 void ics_update_width P((int new_width));
253 extern char installDir[MSG_SIZ];
254 VariantClass startVariant; /* [HGM] nicks: initial variant */
257 extern int tinyLayout, smallLayout;
258 ChessProgramStats programStats;
259 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
261 static int exiting = 0; /* [HGM] moved to top */
262 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
263 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
264 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
265 int partnerHighlight[2];
266 Boolean partnerBoardValid = 0;
267 char partnerStatus[MSG_SIZ];
269 Boolean originalFlip;
270 Boolean twoBoards = 0;
271 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
272 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
273 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
274 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
275 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
276 int opponentKibitzes;
277 int lastSavedGame; /* [HGM] save: ID of game */
278 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
279 extern int chatCount;
281 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
282 char lastMsg[MSG_SIZ];
283 ChessSquare pieceSweep = EmptySquare;
284 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
285 int promoDefaultAltered;
287 /* States for ics_getting_history */
289 #define H_REQUESTED 1
290 #define H_GOT_REQ_HEADER 2
291 #define H_GOT_UNREQ_HEADER 3
292 #define H_GETTING_MOVES 4
293 #define H_GOT_UNWANTED_HEADER 5
295 /* whosays values for GameEnds */
304 /* Maximum number of games in a cmail message */
305 #define CMAIL_MAX_GAMES 20
307 /* Different types of move when calling RegisterMove */
309 #define CMAIL_RESIGN 1
311 #define CMAIL_ACCEPT 3
313 /* Different types of result to remember for each game */
314 #define CMAIL_NOT_RESULT 0
315 #define CMAIL_OLD_RESULT 1
316 #define CMAIL_NEW_RESULT 2
318 /* Telnet protocol constants */
329 safeStrCpy( char *dst, const char *src, size_t count )
332 assert( dst != NULL );
333 assert( src != NULL );
336 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
337 if( i == count && dst[count-1] != NULLCHAR)
339 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
340 if(appData.debugMode)
341 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
347 /* Some compiler can't cast u64 to double
348 * This function do the job for us:
350 * We use the highest bit for cast, this only
351 * works if the highest bit is not
352 * in use (This should not happen)
354 * We used this for all compiler
357 u64ToDouble(u64 value)
360 u64 tmp = value & u64Const(0x7fffffffffffffff);
361 r = (double)(s64)tmp;
362 if (value & u64Const(0x8000000000000000))
363 r += 9.2233720368547758080e18; /* 2^63 */
367 /* Fake up flags for now, as we aren't keeping track of castling
368 availability yet. [HGM] Change of logic: the flag now only
369 indicates the type of castlings allowed by the rule of the game.
370 The actual rights themselves are maintained in the array
371 castlingRights, as part of the game history, and are not probed
377 int flags = F_ALL_CASTLE_OK;
378 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
379 switch (gameInfo.variant) {
381 flags &= ~F_ALL_CASTLE_OK;
382 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
383 flags |= F_IGNORE_CHECK;
385 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
388 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
390 case VariantKriegspiel:
391 flags |= F_KRIEGSPIEL_CAPTURE;
393 case VariantCapaRandom:
394 case VariantFischeRandom:
395 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
396 case VariantNoCastle:
397 case VariantShatranj:
401 flags &= ~F_ALL_CASTLE_OK;
409 FILE *gameFileFP, *debugFP;
412 [AS] Note: sometimes, the sscanf() function is used to parse the input
413 into a fixed-size buffer. Because of this, we must be prepared to
414 receive strings as long as the size of the input buffer, which is currently
415 set to 4K for Windows and 8K for the rest.
416 So, we must either allocate sufficiently large buffers here, or
417 reduce the size of the input buffer in the input reading part.
420 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
421 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
422 char thinkOutput1[MSG_SIZ*10];
424 ChessProgramState first, second, pairing;
426 /* premove variables */
429 int premoveFromX = 0;
430 int premoveFromY = 0;
431 int premovePromoChar = 0;
433 Boolean alarmSounded;
434 /* end premove variables */
436 char *ics_prefix = "$";
437 int ics_type = ICS_GENERIC;
439 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
440 int pauseExamForwardMostMove = 0;
441 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
442 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
443 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
444 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
445 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
446 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
447 int whiteFlag = FALSE, blackFlag = FALSE;
448 int userOfferedDraw = FALSE;
449 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
450 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
451 int cmailMoveType[CMAIL_MAX_GAMES];
452 long ics_clock_paused = 0;
453 ProcRef icsPR = NoProc, cmailPR = NoProc;
454 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
455 GameMode gameMode = BeginningOfGame;
456 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
457 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
458 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
459 int hiddenThinkOutputState = 0; /* [AS] */
460 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
461 int adjudicateLossPlies = 6;
462 char white_holding[64], black_holding[64];
463 TimeMark lastNodeCountTime;
464 long lastNodeCount=0;
465 int shiftKey; // [HGM] set by mouse handler
467 int have_sent_ICS_logon = 0;
469 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
470 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
471 long timeControl_2; /* [AS] Allow separate time controls */
472 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
473 long timeRemaining[2][MAX_MOVES];
474 int matchGame = 0, nextGame = 0, roundNr = 0;
475 Boolean waitingForGame = FALSE;
476 TimeMark programStartTime, pauseStart;
477 char ics_handle[MSG_SIZ];
478 int have_set_title = 0;
480 /* animateTraining preserves the state of appData.animate
481 * when Training mode is activated. This allows the
482 * response to be animated when appData.animate == TRUE and
483 * appData.animateDragging == TRUE.
485 Boolean animateTraining;
491 Board boards[MAX_MOVES];
492 /* [HGM] Following 7 needed for accurate legality tests: */
493 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
494 signed char initialRights[BOARD_FILES];
495 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
496 int initialRulePlies, FENrulePlies;
497 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
499 Boolean shuffleOpenings;
500 int mute; // mute all sounds
502 // [HGM] vari: next 12 to save and restore variations
503 #define MAX_VARIATIONS 10
504 int framePtr = MAX_MOVES-1; // points to free stack entry
506 int savedFirst[MAX_VARIATIONS];
507 int savedLast[MAX_VARIATIONS];
508 int savedFramePtr[MAX_VARIATIONS];
509 char *savedDetails[MAX_VARIATIONS];
510 ChessMove savedResult[MAX_VARIATIONS];
512 void PushTail P((int firstMove, int lastMove));
513 Boolean PopTail P((Boolean annotate));
514 void PushInner P((int firstMove, int lastMove));
515 void PopInner P((Boolean annotate));
516 void CleanupTail P((void));
518 ChessSquare FIDEArray[2][BOARD_FILES] = {
519 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
520 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
521 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
522 BlackKing, BlackBishop, BlackKnight, BlackRook }
525 ChessSquare twoKingsArray[2][BOARD_FILES] = {
526 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
527 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
528 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
529 BlackKing, BlackKing, BlackKnight, BlackRook }
532 ChessSquare KnightmateArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
534 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
535 { BlackRook, BlackMan, BlackBishop, BlackQueen,
536 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
539 ChessSquare SpartanArray[2][BOARD_FILES] = {
540 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
541 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
542 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
543 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
546 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
547 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
548 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
549 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
550 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
553 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
554 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
555 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
556 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
557 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
560 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
561 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
562 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
563 { BlackRook, BlackKnight, BlackMan, BlackFerz,
564 BlackKing, BlackMan, BlackKnight, BlackRook }
568 #if (BOARD_FILES>=10)
569 ChessSquare ShogiArray[2][BOARD_FILES] = {
570 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
571 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
572 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
573 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
576 ChessSquare XiangqiArray[2][BOARD_FILES] = {
577 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
578 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
579 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
580 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
583 ChessSquare CapablancaArray[2][BOARD_FILES] = {
584 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
585 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
586 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
587 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
590 ChessSquare GreatArray[2][BOARD_FILES] = {
591 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
592 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
593 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
594 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
597 ChessSquare JanusArray[2][BOARD_FILES] = {
598 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
599 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
600 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
601 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
604 ChessSquare GrandArray[2][BOARD_FILES] = {
605 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
606 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
607 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
608 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
612 ChessSquare GothicArray[2][BOARD_FILES] = {
613 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
614 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
615 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
616 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
619 #define GothicArray CapablancaArray
623 ChessSquare FalconArray[2][BOARD_FILES] = {
624 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
625 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
626 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
627 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
630 #define FalconArray CapablancaArray
633 #else // !(BOARD_FILES>=10)
634 #define XiangqiPosition FIDEArray
635 #define CapablancaArray FIDEArray
636 #define GothicArray FIDEArray
637 #define GreatArray FIDEArray
638 #endif // !(BOARD_FILES>=10)
640 #if (BOARD_FILES>=12)
641 ChessSquare CourierArray[2][BOARD_FILES] = {
642 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
643 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
644 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
645 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
647 #else // !(BOARD_FILES>=12)
648 #define CourierArray CapablancaArray
649 #endif // !(BOARD_FILES>=12)
652 Board initialPosition;
655 /* Convert str to a rating. Checks for special cases of "----",
657 "++++", etc. Also strips ()'s */
659 string_to_rating(str)
662 while(*str && !isdigit(*str)) ++str;
664 return 0; /* One of the special "no rating" cases */
672 /* Init programStats */
673 programStats.movelist[0] = 0;
674 programStats.depth = 0;
675 programStats.nr_moves = 0;
676 programStats.moves_left = 0;
677 programStats.nodes = 0;
678 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
679 programStats.score = 0;
680 programStats.got_only_move = 0;
681 programStats.got_fail = 0;
682 programStats.line_is_book = 0;
687 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
688 if (appData.firstPlaysBlack) {
689 first.twoMachinesColor = "black\n";
690 second.twoMachinesColor = "white\n";
692 first.twoMachinesColor = "white\n";
693 second.twoMachinesColor = "black\n";
696 first.other = &second;
697 second.other = &first;
700 if(appData.timeOddsMode) {
701 norm = appData.timeOdds[0];
702 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
704 first.timeOdds = appData.timeOdds[0]/norm;
705 second.timeOdds = appData.timeOdds[1]/norm;
708 if(programVersion) free(programVersion);
709 if (appData.noChessProgram) {
710 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
711 sprintf(programVersion, "%s", PACKAGE_STRING);
713 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
714 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
715 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
720 UnloadEngine(ChessProgramState *cps)
722 /* Kill off first chess program */
723 if (cps->isr != NULL)
724 RemoveInputSource(cps->isr);
727 if (cps->pr != NoProc) {
729 DoSleep( appData.delayBeforeQuit );
730 SendToProgram("quit\n", cps);
731 DoSleep( appData.delayAfterQuit );
732 DestroyChildProcess(cps->pr, cps->useSigterm);
735 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
739 ClearOptions(ChessProgramState *cps)
742 cps->nrOptions = cps->comboCnt = 0;
743 for(i=0; i<MAX_OPTIONS; i++) {
744 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
745 cps->option[i].textValue = 0;
749 char *engineNames[] = {
755 InitEngine(ChessProgramState *cps, int n)
756 { // [HGM] all engine initialiation put in a function that does one engine
760 cps->which = engineNames[n];
761 cps->maybeThinking = FALSE;
765 cps->sendDrawOffers = 1;
767 cps->program = appData.chessProgram[n];
768 cps->host = appData.host[n];
769 cps->dir = appData.directory[n];
770 cps->initString = appData.engInitString[n];
771 cps->computerString = appData.computerString[n];
772 cps->useSigint = TRUE;
773 cps->useSigterm = TRUE;
774 cps->reuse = appData.reuse[n];
775 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
776 cps->useSetboard = FALSE;
778 cps->usePing = FALSE;
781 cps->usePlayother = FALSE;
782 cps->useColors = TRUE;
783 cps->useUsermove = FALSE;
784 cps->sendICS = FALSE;
785 cps->sendName = appData.icsActive;
786 cps->sdKludge = FALSE;
787 cps->stKludge = FALSE;
788 TidyProgramName(cps->program, cps->host, cps->tidy);
790 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
791 cps->analysisSupport = 2; /* detect */
792 cps->analyzing = FALSE;
793 cps->initDone = FALSE;
795 /* New features added by Tord: */
796 cps->useFEN960 = FALSE;
797 cps->useOOCastle = TRUE;
798 /* End of new features added by Tord. */
799 cps->fenOverride = appData.fenOverride[n];
801 /* [HGM] time odds: set factor for each machine */
802 cps->timeOdds = appData.timeOdds[n];
804 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
805 cps->accumulateTC = appData.accumulateTC[n];
806 cps->maxNrOfSessions = 1;
811 cps->supportsNPS = UNKNOWN;
812 cps->memSize = FALSE;
813 cps->maxCores = FALSE;
814 cps->egtFormats[0] = NULLCHAR;
817 cps->optionSettings = appData.engOptions[n];
819 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
820 cps->isUCI = appData.isUCI[n]; /* [AS] */
821 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
823 if (appData.protocolVersion[n] > PROTOVER
824 || appData.protocolVersion[n] < 1)
829 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
830 appData.protocolVersion[n]);
831 if( (len > MSG_SIZ) && appData.debugMode )
832 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
834 DisplayFatalError(buf, 0, 2);
838 cps->protocolVersion = appData.protocolVersion[n];
841 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
844 ChessProgramState *savCps;
850 if(WaitForEngine(savCps, LoadEngine)) return;
851 CommonEngineInit(); // recalculate time odds
852 if(gameInfo.variant != StringToVariant(appData.variant)) {
853 // we changed variant when loading the engine; this forces us to reset
854 Reset(TRUE, savCps != &first);
855 EditGameEvent(); // for consistency with other path, as Reset changes mode
857 InitChessProgram(savCps, FALSE);
858 SendToProgram("force\n", savCps);
859 DisplayMessage("", "");
860 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
861 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
867 ReplaceEngine(ChessProgramState *cps, int n)
871 appData.noChessProgram = FALSE;
872 appData.clockMode = TRUE;
875 if(n) return; // only startup first engine immediately; second can wait
876 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
880 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
881 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
883 static char resetOptions[] =
884 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
885 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
888 Load(ChessProgramState *cps, int i)
890 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
891 if(engineLine && 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] = ".";
911 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
912 snprintf(command, MSG_SIZ, "%s %s", p, params);
915 appData.chessProgram[i] = strdup(p);
916 appData.isUCI[i] = isUCI;
917 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
918 appData.hasOwnBookUCI[i] = hasBook;
919 if(!nickName[0]) useNick = FALSE;
920 if(useNick) ASSIGN(appData.pgnName[i], nickName);
924 q = firstChessProgramNames;
925 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
926 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
927 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
928 quote, p, quote, appData.directory[i],
929 useNick ? " -fn \"" : "",
930 useNick ? nickName : "",
932 v1 ? " -firstProtocolVersion 1" : "",
933 hasBook ? "" : " -fNoOwnBookUCI",
934 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
935 storeVariant ? " -variant " : "",
936 storeVariant ? VariantName(gameInfo.variant) : "");
937 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
938 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
941 ReplaceEngine(cps, i);
947 int matched, min, sec;
949 * Parse timeControl resource
951 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
952 appData.movesPerSession)) {
954 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
955 DisplayFatalError(buf, 0, 2);
959 * Parse searchTime resource
961 if (*appData.searchTime != NULLCHAR) {
962 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
964 searchTime = min * 60;
965 } else if (matched == 2) {
966 searchTime = min * 60 + sec;
969 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
970 DisplayFatalError(buf, 0, 2);
979 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
980 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
982 GetTimeMark(&programStartTime);
983 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
984 appData.seedBase = random() + (random()<<15);
985 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
988 programStats.ok_to_send = 1;
989 programStats.seen_stat = 0;
992 * Initialize game list
998 * Internet chess server status
1000 if (appData.icsActive) {
1001 appData.matchMode = FALSE;
1002 appData.matchGames = 0;
1004 appData.noChessProgram = !appData.zippyPlay;
1006 appData.zippyPlay = FALSE;
1007 appData.zippyTalk = FALSE;
1008 appData.noChessProgram = TRUE;
1010 if (*appData.icsHelper != NULLCHAR) {
1011 appData.useTelnet = TRUE;
1012 appData.telnetProgram = appData.icsHelper;
1015 appData.zippyTalk = appData.zippyPlay = FALSE;
1018 /* [AS] Initialize pv info list [HGM] and game state */
1022 for( i=0; i<=framePtr; i++ ) {
1023 pvInfoList[i].depth = -1;
1024 boards[i][EP_STATUS] = EP_NONE;
1025 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1031 /* [AS] Adjudication threshold */
1032 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1034 InitEngine(&first, 0);
1035 InitEngine(&second, 1);
1038 pairing.which = "pairing"; // pairing engine
1039 pairing.pr = NoProc;
1041 pairing.program = appData.pairingEngine;
1042 pairing.host = "localhost";
1045 if (appData.icsActive) {
1046 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1047 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1048 appData.clockMode = FALSE;
1049 first.sendTime = second.sendTime = 0;
1053 /* Override some settings from environment variables, for backward
1054 compatibility. Unfortunately it's not feasible to have the env
1055 vars just set defaults, at least in xboard. Ugh.
1057 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1062 if (!appData.icsActive) {
1066 /* Check for variants that are supported only in ICS mode,
1067 or not at all. Some that are accepted here nevertheless
1068 have bugs; see comments below.
1070 VariantClass variant = StringToVariant(appData.variant);
1072 case VariantBughouse: /* need four players and two boards */
1073 case VariantKriegspiel: /* need to hide pieces and move details */
1074 /* case VariantFischeRandom: (Fabien: moved below) */
1075 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1076 if( (len > MSG_SIZ) && appData.debugMode )
1077 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1079 DisplayFatalError(buf, 0, 2);
1082 case VariantUnknown:
1083 case VariantLoadable:
1093 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1094 if( (len > MSG_SIZ) && appData.debugMode )
1095 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1097 DisplayFatalError(buf, 0, 2);
1100 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1101 case VariantFairy: /* [HGM] TestLegality definitely off! */
1102 case VariantGothic: /* [HGM] should work */
1103 case VariantCapablanca: /* [HGM] should work */
1104 case VariantCourier: /* [HGM] initial forced moves not implemented */
1105 case VariantShogi: /* [HGM] could still mate with pawn drop */
1106 case VariantKnightmate: /* [HGM] should work */
1107 case VariantCylinder: /* [HGM] untested */
1108 case VariantFalcon: /* [HGM] untested */
1109 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1110 offboard interposition not understood */
1111 case VariantNormal: /* definitely works! */
1112 case VariantWildCastle: /* pieces not automatically shuffled */
1113 case VariantNoCastle: /* pieces not automatically shuffled */
1114 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1115 case VariantLosers: /* should work except for win condition,
1116 and doesn't know captures are mandatory */
1117 case VariantSuicide: /* should work except for win condition,
1118 and doesn't know captures are mandatory */
1119 case VariantGiveaway: /* should work except for win condition,
1120 and doesn't know captures are mandatory */
1121 case VariantTwoKings: /* should work */
1122 case VariantAtomic: /* should work except for win condition */
1123 case Variant3Check: /* should work except for win condition */
1124 case VariantShatranj: /* should work except for all win conditions */
1125 case VariantMakruk: /* should work except for draw countdown */
1126 case VariantBerolina: /* might work if TestLegality is off */
1127 case VariantCapaRandom: /* should work */
1128 case VariantJanus: /* should work */
1129 case VariantSuper: /* experimental */
1130 case VariantGreat: /* experimental, requires legality testing to be off */
1131 case VariantSChess: /* S-Chess, should work */
1132 case VariantGrand: /* should work */
1133 case VariantSpartan: /* should work */
1140 int NextIntegerFromString( char ** str, long * value )
1145 while( *s == ' ' || *s == '\t' ) {
1151 if( *s >= '0' && *s <= '9' ) {
1152 while( *s >= '0' && *s <= '9' ) {
1153 *value = *value * 10 + (*s - '0');
1165 int NextTimeControlFromString( char ** str, long * value )
1168 int result = NextIntegerFromString( str, &temp );
1171 *value = temp * 60; /* Minutes */
1172 if( **str == ':' ) {
1174 result = NextIntegerFromString( str, &temp );
1175 *value += temp; /* Seconds */
1182 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1183 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1184 int result = -1, type = 0; long temp, temp2;
1186 if(**str != ':') return -1; // old params remain in force!
1188 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1189 if( NextIntegerFromString( str, &temp ) ) return -1;
1190 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1193 /* time only: incremental or sudden-death time control */
1194 if(**str == '+') { /* increment follows; read it */
1196 if(**str == '!') type = *(*str)++; // Bronstein TC
1197 if(result = NextIntegerFromString( str, &temp2)) return -1;
1198 *inc = temp2 * 1000;
1199 if(**str == '.') { // read fraction of increment
1200 char *start = ++(*str);
1201 if(result = NextIntegerFromString( str, &temp2)) return -1;
1203 while(start++ < *str) temp2 /= 10;
1207 *moves = 0; *tc = temp * 1000; *incType = type;
1211 (*str)++; /* classical time control */
1212 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1223 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1224 { /* [HGM] get time to add from the multi-session time-control string */
1225 int incType, moves=1; /* kludge to force reading of first session */
1226 long time, increment;
1229 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1230 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1232 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1233 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1234 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1235 if(movenr == -1) return time; /* last move before new session */
1236 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1237 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1238 if(!moves) return increment; /* current session is incremental */
1239 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1240 } while(movenr >= -1); /* try again for next session */
1242 return 0; // no new time quota on this move
1246 ParseTimeControl(tc, ti, mps)
1253 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1256 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1257 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1258 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1262 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1264 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1267 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1269 snprintf(buf, MSG_SIZ, ":%s", mytc);
1271 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1273 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1278 /* Parse second time control */
1281 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1289 timeControl_2 = tc2 * 1000;
1299 timeControl = tc1 * 1000;
1302 timeIncrement = ti * 1000; /* convert to ms */
1303 movesPerSession = 0;
1306 movesPerSession = mps;
1314 if (appData.debugMode) {
1315 fprintf(debugFP, "%s\n", programVersion);
1318 set_cont_sequence(appData.wrapContSeq);
1319 if (appData.matchGames > 0) {
1320 appData.matchMode = TRUE;
1321 } else if (appData.matchMode) {
1322 appData.matchGames = 1;
1324 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1325 appData.matchGames = appData.sameColorGames;
1326 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1327 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1328 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1331 if (appData.noChessProgram || first.protocolVersion == 1) {
1334 /* kludge: allow timeout for initial "feature" commands */
1336 DisplayMessage("", _("Starting chess program"));
1337 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1342 CalculateIndex(int index, int gameNr)
1343 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1345 if(index > 0) return index; // fixed nmber
1346 if(index == 0) return 1;
1347 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1348 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1353 LoadGameOrPosition(int gameNr)
1354 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1355 if (*appData.loadGameFile != NULLCHAR) {
1356 if (!LoadGameFromFile(appData.loadGameFile,
1357 CalculateIndex(appData.loadGameIndex, gameNr),
1358 appData.loadGameFile, FALSE)) {
1359 DisplayFatalError(_("Bad game file"), 0, 1);
1362 } else if (*appData.loadPositionFile != NULLCHAR) {
1363 if (!LoadPositionFromFile(appData.loadPositionFile,
1364 CalculateIndex(appData.loadPositionIndex, gameNr),
1365 appData.loadPositionFile)) {
1366 DisplayFatalError(_("Bad position file"), 0, 1);
1374 ReserveGame(int gameNr, char resChar)
1376 FILE *tf = fopen(appData.tourneyFile, "r+");
1377 char *p, *q, c, buf[MSG_SIZ];
1378 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1379 safeStrCpy(buf, lastMsg, MSG_SIZ);
1380 DisplayMessage(_("Pick new game"), "");
1381 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1382 ParseArgsFromFile(tf);
1383 p = q = appData.results;
1384 if(appData.debugMode) {
1385 char *r = appData.participants;
1386 fprintf(debugFP, "results = '%s'\n", p);
1387 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1388 fprintf(debugFP, "\n");
1390 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1392 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1393 safeStrCpy(q, p, strlen(p) + 2);
1394 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1395 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1396 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1397 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1400 fseek(tf, -(strlen(p)+4), SEEK_END);
1402 if(c != '"') // depending on DOS or Unix line endings we can be one off
1403 fseek(tf, -(strlen(p)+2), SEEK_END);
1404 else fseek(tf, -(strlen(p)+3), SEEK_END);
1405 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1406 DisplayMessage(buf, "");
1407 free(p); appData.results = q;
1408 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1409 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1410 UnloadEngine(&first); // next game belongs to other pairing;
1411 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1416 MatchEvent(int mode)
1417 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1419 if(matchMode) { // already in match mode: switch it off
1421 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1424 // if(gameMode != BeginningOfGame) {
1425 // DisplayError(_("You can only start a match from the initial position."), 0);
1429 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1430 /* Set up machine vs. machine match */
1432 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1433 if(appData.tourneyFile[0]) {
1435 if(nextGame > appData.matchGames) {
1437 if(strchr(appData.results, '*') == NULL) {
1439 appData.tourneyCycles++;
1440 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1442 NextTourneyGame(-1, &dummy);
1444 if(nextGame <= appData.matchGames) {
1445 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1447 ScheduleDelayedEvent(NextMatchGame, 10000);
1452 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1453 DisplayError(buf, 0);
1454 appData.tourneyFile[0] = 0;
1458 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1459 DisplayFatalError(_("Can't have a match with no chess programs"),
1464 matchGame = roundNr = 1;
1465 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1470 InitBackEnd3 P((void))
1472 GameMode initialMode;
1476 InitChessProgram(&first, startedFromSetupPosition);
1478 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1479 free(programVersion);
1480 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1481 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1484 if (appData.icsActive) {
1486 /* [DM] Make a console window if needed [HGM] merged ifs */
1492 if (*appData.icsCommPort != NULLCHAR)
1493 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1494 appData.icsCommPort);
1496 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1497 appData.icsHost, appData.icsPort);
1499 if( (len > MSG_SIZ) && appData.debugMode )
1500 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1502 DisplayFatalError(buf, err, 1);
1507 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1509 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1510 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1511 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1512 } else if (appData.noChessProgram) {
1518 if (*appData.cmailGameName != NULLCHAR) {
1520 OpenLoopback(&cmailPR);
1522 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1526 DisplayMessage("", "");
1527 if (StrCaseCmp(appData.initialMode, "") == 0) {
1528 initialMode = BeginningOfGame;
1529 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1530 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1531 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1532 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1535 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1536 initialMode = TwoMachinesPlay;
1537 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1538 initialMode = AnalyzeFile;
1539 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1540 initialMode = AnalyzeMode;
1541 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1542 initialMode = MachinePlaysWhite;
1543 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1544 initialMode = MachinePlaysBlack;
1545 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1546 initialMode = EditGame;
1547 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1548 initialMode = EditPosition;
1549 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1550 initialMode = Training;
1552 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1553 if( (len > MSG_SIZ) && appData.debugMode )
1554 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1556 DisplayFatalError(buf, 0, 2);
1560 if (appData.matchMode) {
1561 if(appData.tourneyFile[0]) { // start tourney from command line
1563 if(f = fopen(appData.tourneyFile, "r")) {
1564 ParseArgsFromFile(f); // make sure tourney parmeters re known
1566 appData.clockMode = TRUE;
1568 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1571 } else if (*appData.cmailGameName != NULLCHAR) {
1572 /* Set up cmail mode */
1573 ReloadCmailMsgEvent(TRUE);
1575 /* Set up other modes */
1576 if (initialMode == AnalyzeFile) {
1577 if (*appData.loadGameFile == NULLCHAR) {
1578 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1582 if (*appData.loadGameFile != NULLCHAR) {
1583 (void) LoadGameFromFile(appData.loadGameFile,
1584 appData.loadGameIndex,
1585 appData.loadGameFile, TRUE);
1586 } else if (*appData.loadPositionFile != NULLCHAR) {
1587 (void) LoadPositionFromFile(appData.loadPositionFile,
1588 appData.loadPositionIndex,
1589 appData.loadPositionFile);
1590 /* [HGM] try to make self-starting even after FEN load */
1591 /* to allow automatic setup of fairy variants with wtm */
1592 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1593 gameMode = BeginningOfGame;
1594 setboardSpoiledMachineBlack = 1;
1596 /* [HGM] loadPos: make that every new game uses the setup */
1597 /* from file as long as we do not switch variant */
1598 if(!blackPlaysFirst) {
1599 startedFromPositionFile = TRUE;
1600 CopyBoard(filePosition, boards[0]);
1603 if (initialMode == AnalyzeMode) {
1604 if (appData.noChessProgram) {
1605 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1608 if (appData.icsActive) {
1609 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1613 } else if (initialMode == AnalyzeFile) {
1614 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1615 ShowThinkingEvent();
1617 AnalysisPeriodicEvent(1);
1618 } else if (initialMode == MachinePlaysWhite) {
1619 if (appData.noChessProgram) {
1620 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1624 if (appData.icsActive) {
1625 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1629 MachineWhiteEvent();
1630 } else if (initialMode == MachinePlaysBlack) {
1631 if (appData.noChessProgram) {
1632 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1636 if (appData.icsActive) {
1637 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1641 MachineBlackEvent();
1642 } else if (initialMode == TwoMachinesPlay) {
1643 if (appData.noChessProgram) {
1644 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1648 if (appData.icsActive) {
1649 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1654 } else if (initialMode == EditGame) {
1656 } else if (initialMode == EditPosition) {
1657 EditPositionEvent();
1658 } else if (initialMode == Training) {
1659 if (*appData.loadGameFile == NULLCHAR) {
1660 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1669 * Establish will establish a contact to a remote host.port.
1670 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1671 * used to talk to the host.
1672 * Returns 0 if okay, error code if not.
1679 if (*appData.icsCommPort != NULLCHAR) {
1680 /* Talk to the host through a serial comm port */
1681 return OpenCommPort(appData.icsCommPort, &icsPR);
1683 } else if (*appData.gateway != NULLCHAR) {
1684 if (*appData.remoteShell == NULLCHAR) {
1685 /* Use the rcmd protocol to run telnet program on a gateway host */
1686 snprintf(buf, sizeof(buf), "%s %s %s",
1687 appData.telnetProgram, appData.icsHost, appData.icsPort);
1688 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1691 /* Use the rsh program to run telnet program on a gateway host */
1692 if (*appData.remoteUser == NULLCHAR) {
1693 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1694 appData.gateway, appData.telnetProgram,
1695 appData.icsHost, appData.icsPort);
1697 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1698 appData.remoteShell, appData.gateway,
1699 appData.remoteUser, appData.telnetProgram,
1700 appData.icsHost, appData.icsPort);
1702 return StartChildProcess(buf, "", &icsPR);
1705 } else if (appData.useTelnet) {
1706 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1709 /* TCP socket interface differs somewhat between
1710 Unix and NT; handle details in the front end.
1712 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1716 void EscapeExpand(char *p, char *q)
1717 { // [HGM] initstring: routine to shape up string arguments
1718 while(*p++ = *q++) if(p[-1] == '\\')
1720 case 'n': p[-1] = '\n'; break;
1721 case 'r': p[-1] = '\r'; break;
1722 case 't': p[-1] = '\t'; break;
1723 case '\\': p[-1] = '\\'; break;
1724 case 0: *p = 0; return;
1725 default: p[-1] = q[-1]; break;
1730 show_bytes(fp, buf, count)
1736 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1737 fprintf(fp, "\\%03o", *buf & 0xff);
1746 /* Returns an errno value */
1748 OutputMaybeTelnet(pr, message, count, outError)
1754 char buf[8192], *p, *q, *buflim;
1755 int left, newcount, outcount;
1757 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1758 *appData.gateway != NULLCHAR) {
1759 if (appData.debugMode) {
1760 fprintf(debugFP, ">ICS: ");
1761 show_bytes(debugFP, message, count);
1762 fprintf(debugFP, "\n");
1764 return OutputToProcess(pr, message, count, outError);
1767 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1774 if (appData.debugMode) {
1775 fprintf(debugFP, ">ICS: ");
1776 show_bytes(debugFP, buf, newcount);
1777 fprintf(debugFP, "\n");
1779 outcount = OutputToProcess(pr, buf, newcount, outError);
1780 if (outcount < newcount) return -1; /* to be sure */
1787 } else if (((unsigned char) *p) == TN_IAC) {
1788 *q++ = (char) TN_IAC;
1795 if (appData.debugMode) {
1796 fprintf(debugFP, ">ICS: ");
1797 show_bytes(debugFP, buf, newcount);
1798 fprintf(debugFP, "\n");
1800 outcount = OutputToProcess(pr, buf, newcount, outError);
1801 if (outcount < newcount) return -1; /* to be sure */
1806 read_from_player(isr, closure, message, count, error)
1813 int outError, outCount;
1814 static int gotEof = 0;
1816 /* Pass data read from player on to ICS */
1819 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1820 if (outCount < count) {
1821 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1823 } else if (count < 0) {
1824 RemoveInputSource(isr);
1825 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1826 } else if (gotEof++ > 0) {
1827 RemoveInputSource(isr);
1828 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1834 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1835 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1836 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1837 SendToICS("date\n");
1838 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1841 /* added routine for printf style output to ics */
1842 void ics_printf(char *format, ...)
1844 char buffer[MSG_SIZ];
1847 va_start(args, format);
1848 vsnprintf(buffer, sizeof(buffer), format, args);
1849 buffer[sizeof(buffer)-1] = '\0';
1858 int count, outCount, outError;
1860 if (icsPR == NULL) return;
1863 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1864 if (outCount < count) {
1865 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1869 /* This is used for sending logon scripts to the ICS. Sending
1870 without a delay causes problems when using timestamp on ICC
1871 (at least on my machine). */
1873 SendToICSDelayed(s,msdelay)
1877 int count, outCount, outError;
1879 if (icsPR == NULL) return;
1882 if (appData.debugMode) {
1883 fprintf(debugFP, ">ICS: ");
1884 show_bytes(debugFP, s, count);
1885 fprintf(debugFP, "\n");
1887 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1889 if (outCount < count) {
1890 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1895 /* Remove all highlighting escape sequences in s
1896 Also deletes any suffix starting with '('
1899 StripHighlightAndTitle(s)
1902 static char retbuf[MSG_SIZ];
1905 while (*s != NULLCHAR) {
1906 while (*s == '\033') {
1907 while (*s != NULLCHAR && !isalpha(*s)) s++;
1908 if (*s != NULLCHAR) s++;
1910 while (*s != NULLCHAR && *s != '\033') {
1911 if (*s == '(' || *s == '[') {
1922 /* Remove all highlighting escape sequences in s */
1927 static char retbuf[MSG_SIZ];
1930 while (*s != NULLCHAR) {
1931 while (*s == '\033') {
1932 while (*s != NULLCHAR && !isalpha(*s)) s++;
1933 if (*s != NULLCHAR) s++;
1935 while (*s != NULLCHAR && *s != '\033') {
1943 char *variantNames[] = VARIANT_NAMES;
1948 return variantNames[v];
1952 /* Identify a variant from the strings the chess servers use or the
1953 PGN Variant tag names we use. */
1960 VariantClass v = VariantNormal;
1961 int i, found = FALSE;
1967 /* [HGM] skip over optional board-size prefixes */
1968 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1969 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1970 while( *e++ != '_');
1973 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1977 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1978 if (StrCaseStr(e, variantNames[i])) {
1979 v = (VariantClass) i;
1986 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1987 || StrCaseStr(e, "wild/fr")
1988 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1989 v = VariantFischeRandom;
1990 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1991 (i = 1, p = StrCaseStr(e, "w"))) {
1993 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2000 case 0: /* FICS only, actually */
2002 /* Castling legal even if K starts on d-file */
2003 v = VariantWildCastle;
2008 /* Castling illegal even if K & R happen to start in
2009 normal positions. */
2010 v = VariantNoCastle;
2023 /* Castling legal iff K & R start in normal positions */
2029 /* Special wilds for position setup; unclear what to do here */
2030 v = VariantLoadable;
2033 /* Bizarre ICC game */
2034 v = VariantTwoKings;
2037 v = VariantKriegspiel;
2043 v = VariantFischeRandom;
2046 v = VariantCrazyhouse;
2049 v = VariantBughouse;
2055 /* Not quite the same as FICS suicide! */
2056 v = VariantGiveaway;
2062 v = VariantShatranj;
2065 /* Temporary names for future ICC types. The name *will* change in
2066 the next xboard/WinBoard release after ICC defines it. */
2104 v = VariantCapablanca;
2107 v = VariantKnightmate;
2113 v = VariantCylinder;
2119 v = VariantCapaRandom;
2122 v = VariantBerolina;
2134 /* Found "wild" or "w" in the string but no number;
2135 must assume it's normal chess. */
2139 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2140 if( (len > MSG_SIZ) && appData.debugMode )
2141 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2143 DisplayError(buf, 0);
2149 if (appData.debugMode) {
2150 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2151 e, wnum, VariantName(v));
2156 static int leftover_start = 0, leftover_len = 0;
2157 char star_match[STAR_MATCH_N][MSG_SIZ];
2159 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2160 advance *index beyond it, and set leftover_start to the new value of
2161 *index; else return FALSE. If pattern contains the character '*', it
2162 matches any sequence of characters not containing '\r', '\n', or the
2163 character following the '*' (if any), and the matched sequence(s) are
2164 copied into star_match.
2167 looking_at(buf, index, pattern)
2172 char *bufp = &buf[*index], *patternp = pattern;
2174 char *matchp = star_match[0];
2177 if (*patternp == NULLCHAR) {
2178 *index = leftover_start = bufp - buf;
2182 if (*bufp == NULLCHAR) return FALSE;
2183 if (*patternp == '*') {
2184 if (*bufp == *(patternp + 1)) {
2186 matchp = star_match[++star_count];
2190 } else if (*bufp == '\n' || *bufp == '\r') {
2192 if (*patternp == NULLCHAR)
2197 *matchp++ = *bufp++;
2201 if (*patternp != *bufp) return FALSE;
2208 SendToPlayer(data, length)
2212 int error, outCount;
2213 outCount = OutputToProcess(NoProc, data, length, &error);
2214 if (outCount < length) {
2215 DisplayFatalError(_("Error writing to display"), error, 1);
2220 PackHolding(packed, holding)
2232 switch (runlength) {
2243 sprintf(q, "%d", runlength);
2255 /* Telnet protocol requests from the front end */
2257 TelnetRequest(ddww, option)
2258 unsigned char ddww, option;
2260 unsigned char msg[3];
2261 int outCount, outError;
2263 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2265 if (appData.debugMode) {
2266 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2282 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2291 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2294 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2299 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2301 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2308 if (!appData.icsActive) return;
2309 TelnetRequest(TN_DO, TN_ECHO);
2315 if (!appData.icsActive) return;
2316 TelnetRequest(TN_DONT, TN_ECHO);
2320 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2322 /* put the holdings sent to us by the server on the board holdings area */
2323 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2327 if(gameInfo.holdingsWidth < 2) return;
2328 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2329 return; // prevent overwriting by pre-board holdings
2331 if( (int)lowestPiece >= BlackPawn ) {
2334 holdingsStartRow = BOARD_HEIGHT-1;
2337 holdingsColumn = BOARD_WIDTH-1;
2338 countsColumn = BOARD_WIDTH-2;
2339 holdingsStartRow = 0;
2343 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2344 board[i][holdingsColumn] = EmptySquare;
2345 board[i][countsColumn] = (ChessSquare) 0;
2347 while( (p=*holdings++) != NULLCHAR ) {
2348 piece = CharToPiece( ToUpper(p) );
2349 if(piece == EmptySquare) continue;
2350 /*j = (int) piece - (int) WhitePawn;*/
2351 j = PieceToNumber(piece);
2352 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2353 if(j < 0) continue; /* should not happen */
2354 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2355 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2356 board[holdingsStartRow+j*direction][countsColumn]++;
2362 VariantSwitch(Board board, VariantClass newVariant)
2364 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2365 static Board oldBoard;
2367 startedFromPositionFile = FALSE;
2368 if(gameInfo.variant == newVariant) return;
2370 /* [HGM] This routine is called each time an assignment is made to
2371 * gameInfo.variant during a game, to make sure the board sizes
2372 * are set to match the new variant. If that means adding or deleting
2373 * holdings, we shift the playing board accordingly
2374 * This kludge is needed because in ICS observe mode, we get boards
2375 * of an ongoing game without knowing the variant, and learn about the
2376 * latter only later. This can be because of the move list we requested,
2377 * in which case the game history is refilled from the beginning anyway,
2378 * but also when receiving holdings of a crazyhouse game. In the latter
2379 * case we want to add those holdings to the already received position.
2383 if (appData.debugMode) {
2384 fprintf(debugFP, "Switch board from %s to %s\n",
2385 VariantName(gameInfo.variant), VariantName(newVariant));
2386 setbuf(debugFP, NULL);
2388 shuffleOpenings = 0; /* [HGM] shuffle */
2389 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2393 newWidth = 9; newHeight = 9;
2394 gameInfo.holdingsSize = 7;
2395 case VariantBughouse:
2396 case VariantCrazyhouse:
2397 newHoldingsWidth = 2; break;
2401 newHoldingsWidth = 2;
2402 gameInfo.holdingsSize = 8;
2405 case VariantCapablanca:
2406 case VariantCapaRandom:
2409 newHoldingsWidth = gameInfo.holdingsSize = 0;
2412 if(newWidth != gameInfo.boardWidth ||
2413 newHeight != gameInfo.boardHeight ||
2414 newHoldingsWidth != gameInfo.holdingsWidth ) {
2416 /* shift position to new playing area, if needed */
2417 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2418 for(i=0; i<BOARD_HEIGHT; i++)
2419 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2420 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2422 for(i=0; i<newHeight; i++) {
2423 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2424 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2426 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2427 for(i=0; i<BOARD_HEIGHT; i++)
2428 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2429 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2432 gameInfo.boardWidth = newWidth;
2433 gameInfo.boardHeight = newHeight;
2434 gameInfo.holdingsWidth = newHoldingsWidth;
2435 gameInfo.variant = newVariant;
2436 InitDrawingSizes(-2, 0);
2437 } else gameInfo.variant = newVariant;
2438 CopyBoard(oldBoard, board); // remember correctly formatted board
2439 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2440 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2443 static int loggedOn = FALSE;
2445 /*-- Game start info cache: --*/
2447 char gs_kind[MSG_SIZ];
2448 static char player1Name[128] = "";
2449 static char player2Name[128] = "";
2450 static char cont_seq[] = "\n\\ ";
2451 static int player1Rating = -1;
2452 static int player2Rating = -1;
2453 /*----------------------------*/
2455 ColorClass curColor = ColorNormal;
2456 int suppressKibitz = 0;
2459 Boolean soughtPending = FALSE;
2460 Boolean seekGraphUp;
2461 #define MAX_SEEK_ADS 200
2463 char *seekAdList[MAX_SEEK_ADS];
2464 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2465 float tcList[MAX_SEEK_ADS];
2466 char colorList[MAX_SEEK_ADS];
2467 int nrOfSeekAds = 0;
2468 int minRating = 1010, maxRating = 2800;
2469 int hMargin = 10, vMargin = 20, h, w;
2470 extern int squareSize, lineGap;
2475 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2476 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2477 if(r < minRating+100 && r >=0 ) r = minRating+100;
2478 if(r > maxRating) r = maxRating;
2479 if(tc < 1.) tc = 1.;
2480 if(tc > 95.) tc = 95.;
2481 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2482 y = ((double)r - minRating)/(maxRating - minRating)
2483 * (h-vMargin-squareSize/8-1) + vMargin;
2484 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2485 if(strstr(seekAdList[i], " u ")) color = 1;
2486 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2487 !strstr(seekAdList[i], "bullet") &&
2488 !strstr(seekAdList[i], "blitz") &&
2489 !strstr(seekAdList[i], "standard") ) color = 2;
2490 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2491 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2495 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2497 char buf[MSG_SIZ], *ext = "";
2498 VariantClass v = StringToVariant(type);
2499 if(strstr(type, "wild")) {
2500 ext = type + 4; // append wild number
2501 if(v == VariantFischeRandom) type = "chess960"; else
2502 if(v == VariantLoadable) type = "setup"; else
2503 type = VariantName(v);
2505 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2506 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2507 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2508 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2509 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2510 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2511 seekNrList[nrOfSeekAds] = nr;
2512 zList[nrOfSeekAds] = 0;
2513 seekAdList[nrOfSeekAds++] = StrSave(buf);
2514 if(plot) PlotSeekAd(nrOfSeekAds-1);
2521 int x = xList[i], y = yList[i], d=squareSize/4, k;
2522 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2523 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2524 // now replot every dot that overlapped
2525 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2526 int xx = xList[k], yy = yList[k];
2527 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2528 DrawSeekDot(xx, yy, colorList[k]);
2533 RemoveSeekAd(int nr)
2536 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2538 if(seekAdList[i]) free(seekAdList[i]);
2539 seekAdList[i] = seekAdList[--nrOfSeekAds];
2540 seekNrList[i] = seekNrList[nrOfSeekAds];
2541 ratingList[i] = ratingList[nrOfSeekAds];
2542 colorList[i] = colorList[nrOfSeekAds];
2543 tcList[i] = tcList[nrOfSeekAds];
2544 xList[i] = xList[nrOfSeekAds];
2545 yList[i] = yList[nrOfSeekAds];
2546 zList[i] = zList[nrOfSeekAds];
2547 seekAdList[nrOfSeekAds] = NULL;
2553 MatchSoughtLine(char *line)
2555 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2556 int nr, base, inc, u=0; char dummy;
2558 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2559 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2561 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2562 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2563 // match: compact and save the line
2564 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2574 if(!seekGraphUp) return FALSE;
2575 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2576 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2578 DrawSeekBackground(0, 0, w, h);
2579 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2580 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2581 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2582 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2584 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2587 snprintf(buf, MSG_SIZ, "%d", i);
2588 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2591 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2592 for(i=1; i<100; i+=(i<10?1:5)) {
2593 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2594 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2595 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2597 snprintf(buf, MSG_SIZ, "%d", i);
2598 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2601 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2605 int SeekGraphClick(ClickType click, int x, int y, int moving)
2607 static int lastDown = 0, displayed = 0, lastSecond;
2608 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2609 if(click == Release || moving) return FALSE;
2611 soughtPending = TRUE;
2612 SendToICS(ics_prefix);
2613 SendToICS("sought\n"); // should this be "sought all"?
2614 } else { // issue challenge based on clicked ad
2615 int dist = 10000; int i, closest = 0, second = 0;
2616 for(i=0; i<nrOfSeekAds; i++) {
2617 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2618 if(d < dist) { dist = d; closest = i; }
2619 second += (d - zList[i] < 120); // count in-range ads
2620 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2624 second = (second > 1);
2625 if(displayed != closest || second != lastSecond) {
2626 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2627 lastSecond = second; displayed = closest;
2629 if(click == Press) {
2630 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2633 } // on press 'hit', only show info
2634 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2635 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2636 SendToICS(ics_prefix);
2638 return TRUE; // let incoming board of started game pop down the graph
2639 } else if(click == Release) { // release 'miss' is ignored
2640 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2641 if(moving == 2) { // right up-click
2642 nrOfSeekAds = 0; // refresh graph
2643 soughtPending = TRUE;
2644 SendToICS(ics_prefix);
2645 SendToICS("sought\n"); // should this be "sought all"?
2648 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2649 // press miss or release hit 'pop down' seek graph
2650 seekGraphUp = FALSE;
2651 DrawPosition(TRUE, NULL);
2657 read_from_ics(isr, closure, data, count, error)
2664 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2665 #define STARTED_NONE 0
2666 #define STARTED_MOVES 1
2667 #define STARTED_BOARD 2
2668 #define STARTED_OBSERVE 3
2669 #define STARTED_HOLDINGS 4
2670 #define STARTED_CHATTER 5
2671 #define STARTED_COMMENT 6
2672 #define STARTED_MOVES_NOHIDE 7
2674 static int started = STARTED_NONE;
2675 static char parse[20000];
2676 static int parse_pos = 0;
2677 static char buf[BUF_SIZE + 1];
2678 static int firstTime = TRUE, intfSet = FALSE;
2679 static ColorClass prevColor = ColorNormal;
2680 static int savingComment = FALSE;
2681 static int cmatch = 0; // continuation sequence match
2688 int backup; /* [DM] For zippy color lines */
2690 char talker[MSG_SIZ]; // [HGM] chat
2693 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2695 if (appData.debugMode) {
2697 fprintf(debugFP, "<ICS: ");
2698 show_bytes(debugFP, data, count);
2699 fprintf(debugFP, "\n");
2703 if (appData.debugMode) { int f = forwardMostMove;
2704 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2705 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2706 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2709 /* If last read ended with a partial line that we couldn't parse,
2710 prepend it to the new read and try again. */
2711 if (leftover_len > 0) {
2712 for (i=0; i<leftover_len; i++)
2713 buf[i] = buf[leftover_start + i];
2716 /* copy new characters into the buffer */
2717 bp = buf + leftover_len;
2718 buf_len=leftover_len;
2719 for (i=0; i<count; i++)
2722 if (data[i] == '\r')
2725 // join lines split by ICS?
2726 if (!appData.noJoin)
2729 Joining just consists of finding matches against the
2730 continuation sequence, and discarding that sequence
2731 if found instead of copying it. So, until a match
2732 fails, there's nothing to do since it might be the
2733 complete sequence, and thus, something we don't want
2736 if (data[i] == cont_seq[cmatch])
2739 if (cmatch == strlen(cont_seq))
2741 cmatch = 0; // complete match. just reset the counter
2744 it's possible for the ICS to not include the space
2745 at the end of the last word, making our [correct]
2746 join operation fuse two separate words. the server
2747 does this when the space occurs at the width setting.
2749 if (!buf_len || buf[buf_len-1] != ' ')
2760 match failed, so we have to copy what matched before
2761 falling through and copying this character. In reality,
2762 this will only ever be just the newline character, but
2763 it doesn't hurt to be precise.
2765 strncpy(bp, cont_seq, cmatch);
2777 buf[buf_len] = NULLCHAR;
2778 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2783 while (i < buf_len) {
2784 /* Deal with part of the TELNET option negotiation
2785 protocol. We refuse to do anything beyond the
2786 defaults, except that we allow the WILL ECHO option,
2787 which ICS uses to turn off password echoing when we are
2788 directly connected to it. We reject this option
2789 if localLineEditing mode is on (always on in xboard)
2790 and we are talking to port 23, which might be a real
2791 telnet server that will try to keep WILL ECHO on permanently.
2793 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2794 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2795 unsigned char option;
2797 switch ((unsigned char) buf[++i]) {
2799 if (appData.debugMode)
2800 fprintf(debugFP, "\n<WILL ");
2801 switch (option = (unsigned char) buf[++i]) {
2803 if (appData.debugMode)
2804 fprintf(debugFP, "ECHO ");
2805 /* Reply only if this is a change, according
2806 to the protocol rules. */
2807 if (remoteEchoOption) break;
2808 if (appData.localLineEditing &&
2809 atoi(appData.icsPort) == TN_PORT) {
2810 TelnetRequest(TN_DONT, TN_ECHO);
2813 TelnetRequest(TN_DO, TN_ECHO);
2814 remoteEchoOption = TRUE;
2818 if (appData.debugMode)
2819 fprintf(debugFP, "%d ", option);
2820 /* Whatever this is, we don't want it. */
2821 TelnetRequest(TN_DONT, option);
2826 if (appData.debugMode)
2827 fprintf(debugFP, "\n<WONT ");
2828 switch (option = (unsigned char) buf[++i]) {
2830 if (appData.debugMode)
2831 fprintf(debugFP, "ECHO ");
2832 /* Reply only if this is a change, according
2833 to the protocol rules. */
2834 if (!remoteEchoOption) break;
2836 TelnetRequest(TN_DONT, TN_ECHO);
2837 remoteEchoOption = FALSE;
2840 if (appData.debugMode)
2841 fprintf(debugFP, "%d ", (unsigned char) option);
2842 /* Whatever this is, it must already be turned
2843 off, because we never agree to turn on
2844 anything non-default, so according to the
2845 protocol rules, we don't reply. */
2850 if (appData.debugMode)
2851 fprintf(debugFP, "\n<DO ");
2852 switch (option = (unsigned char) buf[++i]) {
2854 /* Whatever this is, we refuse to do it. */
2855 if (appData.debugMode)
2856 fprintf(debugFP, "%d ", option);
2857 TelnetRequest(TN_WONT, option);
2862 if (appData.debugMode)
2863 fprintf(debugFP, "\n<DONT ");
2864 switch (option = (unsigned char) buf[++i]) {
2866 if (appData.debugMode)
2867 fprintf(debugFP, "%d ", option);
2868 /* Whatever this is, we are already not doing
2869 it, because we never agree to do anything
2870 non-default, so according to the protocol
2871 rules, we don't reply. */
2876 if (appData.debugMode)
2877 fprintf(debugFP, "\n<IAC ");
2878 /* Doubled IAC; pass it through */
2882 if (appData.debugMode)
2883 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2884 /* Drop all other telnet commands on the floor */
2887 if (oldi > next_out)
2888 SendToPlayer(&buf[next_out], oldi - next_out);
2894 /* OK, this at least will *usually* work */
2895 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2899 if (loggedOn && !intfSet) {
2900 if (ics_type == ICS_ICC) {
2901 snprintf(str, MSG_SIZ,
2902 "/set-quietly interface %s\n/set-quietly style 12\n",
2904 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2905 strcat(str, "/set-2 51 1\n/set seek 1\n");
2906 } else if (ics_type == ICS_CHESSNET) {
2907 snprintf(str, MSG_SIZ, "/style 12\n");
2909 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2910 strcat(str, programVersion);
2911 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2912 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2913 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2915 strcat(str, "$iset nohighlight 1\n");
2917 strcat(str, "$iset lock 1\n$style 12\n");
2920 NotifyFrontendLogin();
2924 if (started == STARTED_COMMENT) {
2925 /* Accumulate characters in comment */
2926 parse[parse_pos++] = buf[i];
2927 if (buf[i] == '\n') {
2928 parse[parse_pos] = NULLCHAR;
2929 if(chattingPartner>=0) {
2931 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2932 OutputChatMessage(chattingPartner, mess);
2933 chattingPartner = -1;
2934 next_out = i+1; // [HGM] suppress printing in ICS window
2936 if(!suppressKibitz) // [HGM] kibitz
2937 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2938 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2939 int nrDigit = 0, nrAlph = 0, j;
2940 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2941 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2942 parse[parse_pos] = NULLCHAR;
2943 // try to be smart: if it does not look like search info, it should go to
2944 // ICS interaction window after all, not to engine-output window.
2945 for(j=0; j<parse_pos; j++) { // count letters and digits
2946 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2947 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2948 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2950 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2951 int depth=0; float score;
2952 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2953 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2954 pvInfoList[forwardMostMove-1].depth = depth;
2955 pvInfoList[forwardMostMove-1].score = 100*score;
2957 OutputKibitz(suppressKibitz, parse);
2960 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2961 SendToPlayer(tmp, strlen(tmp));
2963 next_out = i+1; // [HGM] suppress printing in ICS window
2965 started = STARTED_NONE;
2967 /* Don't match patterns against characters in comment */
2972 if (started == STARTED_CHATTER) {
2973 if (buf[i] != '\n') {
2974 /* Don't match patterns against characters in chatter */
2978 started = STARTED_NONE;
2979 if(suppressKibitz) next_out = i+1;
2982 /* Kludge to deal with rcmd protocol */
2983 if (firstTime && looking_at(buf, &i, "\001*")) {
2984 DisplayFatalError(&buf[1], 0, 1);
2990 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2993 if (appData.debugMode)
2994 fprintf(debugFP, "ics_type %d\n", ics_type);
2997 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2998 ics_type = ICS_FICS;
3000 if (appData.debugMode)
3001 fprintf(debugFP, "ics_type %d\n", ics_type);
3004 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3005 ics_type = ICS_CHESSNET;
3007 if (appData.debugMode)
3008 fprintf(debugFP, "ics_type %d\n", ics_type);
3013 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3014 looking_at(buf, &i, "Logging you in as \"*\"") ||
3015 looking_at(buf, &i, "will be \"*\""))) {
3016 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3020 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3022 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3023 DisplayIcsInteractionTitle(buf);
3024 have_set_title = TRUE;
3027 /* skip finger notes */
3028 if (started == STARTED_NONE &&
3029 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3030 (buf[i] == '1' && buf[i+1] == '0')) &&
3031 buf[i+2] == ':' && buf[i+3] == ' ') {
3032 started = STARTED_CHATTER;
3038 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3039 if(appData.seekGraph) {
3040 if(soughtPending && MatchSoughtLine(buf+i)) {
3041 i = strstr(buf+i, "rated") - buf;
3042 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3043 next_out = leftover_start = i;
3044 started = STARTED_CHATTER;
3045 suppressKibitz = TRUE;
3048 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3049 && looking_at(buf, &i, "* ads displayed")) {
3050 soughtPending = FALSE;
3055 if(appData.autoRefresh) {
3056 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3057 int s = (ics_type == ICS_ICC); // ICC format differs
3059 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3060 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3061 looking_at(buf, &i, "*% "); // eat prompt
3062 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3063 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3064 next_out = i; // suppress
3067 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3068 char *p = star_match[0];
3070 if(seekGraphUp) RemoveSeekAd(atoi(p));
3071 while(*p && *p++ != ' '); // next
3073 looking_at(buf, &i, "*% "); // eat prompt
3074 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3081 /* skip formula vars */
3082 if (started == STARTED_NONE &&
3083 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3084 started = STARTED_CHATTER;
3089 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3090 if (appData.autoKibitz && started == STARTED_NONE &&
3091 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3092 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3093 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3094 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3095 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3096 suppressKibitz = TRUE;
3097 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3099 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3100 && (gameMode == IcsPlayingWhite)) ||
3101 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3102 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3103 started = STARTED_CHATTER; // own kibitz we simply discard
3105 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3106 parse_pos = 0; parse[0] = NULLCHAR;
3107 savingComment = TRUE;
3108 suppressKibitz = gameMode != IcsObserving ? 2 :
3109 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3113 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3114 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3115 && atoi(star_match[0])) {
3116 // suppress the acknowledgements of our own autoKibitz
3118 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3119 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3120 SendToPlayer(star_match[0], strlen(star_match[0]));
3121 if(looking_at(buf, &i, "*% ")) // eat prompt
3122 suppressKibitz = FALSE;
3126 } // [HGM] kibitz: end of patch
3128 // [HGM] chat: intercept tells by users for which we have an open chat window
3130 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3131 looking_at(buf, &i, "* whispers:") ||
3132 looking_at(buf, &i, "* kibitzes:") ||
3133 looking_at(buf, &i, "* shouts:") ||
3134 looking_at(buf, &i, "* c-shouts:") ||
3135 looking_at(buf, &i, "--> * ") ||
3136 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3137 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3138 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3139 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3141 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3142 chattingPartner = -1;
3144 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3145 for(p=0; p<MAX_CHAT; p++) {
3146 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3147 talker[0] = '['; strcat(talker, "] ");
3148 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3149 chattingPartner = p; break;
3152 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3153 for(p=0; p<MAX_CHAT; p++) {
3154 if(!strcmp("kibitzes", chatPartner[p])) {
3155 talker[0] = '['; strcat(talker, "] ");
3156 chattingPartner = p; break;
3159 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3160 for(p=0; p<MAX_CHAT; p++) {
3161 if(!strcmp("whispers", chatPartner[p])) {
3162 talker[0] = '['; strcat(talker, "] ");
3163 chattingPartner = p; break;
3166 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3167 if(buf[i-8] == '-' && buf[i-3] == 't')
3168 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3169 if(!strcmp("c-shouts", chatPartner[p])) {
3170 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3171 chattingPartner = p; break;
3174 if(chattingPartner < 0)
3175 for(p=0; p<MAX_CHAT; p++) {
3176 if(!strcmp("shouts", chatPartner[p])) {
3177 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3178 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3179 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3180 chattingPartner = p; break;
3184 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3185 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3186 talker[0] = 0; Colorize(ColorTell, FALSE);
3187 chattingPartner = p; break;
3189 if(chattingPartner<0) i = oldi; else {
3190 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3191 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3192 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3193 started = STARTED_COMMENT;
3194 parse_pos = 0; parse[0] = NULLCHAR;
3195 savingComment = 3 + chattingPartner; // counts as TRUE
3196 suppressKibitz = TRUE;
3199 } // [HGM] chat: end of patch
3202 if (appData.zippyTalk || appData.zippyPlay) {
3203 /* [DM] Backup address for color zippy lines */
3205 if (loggedOn == TRUE)
3206 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3207 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3209 } // [DM] 'else { ' deleted
3211 /* Regular tells and says */
3212 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3213 looking_at(buf, &i, "* (your partner) tells you: ") ||
3214 looking_at(buf, &i, "* says: ") ||
3215 /* Don't color "message" or "messages" output */
3216 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3217 looking_at(buf, &i, "*. * at *:*: ") ||
3218 looking_at(buf, &i, "--* (*:*): ") ||
3219 /* Message notifications (same color as tells) */
3220 looking_at(buf, &i, "* has left a message ") ||
3221 looking_at(buf, &i, "* just sent you a message:\n") ||
3222 /* Whispers and kibitzes */
3223 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3224 looking_at(buf, &i, "* kibitzes: ") ||
3226 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3228 if (tkind == 1 && strchr(star_match[0], ':')) {
3229 /* Avoid "tells you:" spoofs in channels */
3232 if (star_match[0][0] == NULLCHAR ||
3233 strchr(star_match[0], ' ') ||
3234 (tkind == 3 && strchr(star_match[1], ' '))) {
3235 /* Reject bogus matches */
3238 if (appData.colorize) {
3239 if (oldi > next_out) {
3240 SendToPlayer(&buf[next_out], oldi - next_out);
3245 Colorize(ColorTell, FALSE);
3246 curColor = ColorTell;
3249 Colorize(ColorKibitz, FALSE);
3250 curColor = ColorKibitz;
3253 p = strrchr(star_match[1], '(');
3260 Colorize(ColorChannel1, FALSE);
3261 curColor = ColorChannel1;
3263 Colorize(ColorChannel, FALSE);
3264 curColor = ColorChannel;
3268 curColor = ColorNormal;
3272 if (started == STARTED_NONE && appData.autoComment &&
3273 (gameMode == IcsObserving ||
3274 gameMode == IcsPlayingWhite ||
3275 gameMode == IcsPlayingBlack)) {
3276 parse_pos = i - oldi;
3277 memcpy(parse, &buf[oldi], parse_pos);
3278 parse[parse_pos] = NULLCHAR;
3279 started = STARTED_COMMENT;
3280 savingComment = TRUE;
3282 started = STARTED_CHATTER;
3283 savingComment = FALSE;
3290 if (looking_at(buf, &i, "* s-shouts: ") ||
3291 looking_at(buf, &i, "* c-shouts: ")) {
3292 if (appData.colorize) {
3293 if (oldi > next_out) {
3294 SendToPlayer(&buf[next_out], oldi - next_out);
3297 Colorize(ColorSShout, FALSE);
3298 curColor = ColorSShout;
3301 started = STARTED_CHATTER;
3305 if (looking_at(buf, &i, "--->")) {
3310 if (looking_at(buf, &i, "* shouts: ") ||
3311 looking_at(buf, &i, "--> ")) {
3312 if (appData.colorize) {
3313 if (oldi > next_out) {
3314 SendToPlayer(&buf[next_out], oldi - next_out);
3317 Colorize(ColorShout, FALSE);
3318 curColor = ColorShout;
3321 started = STARTED_CHATTER;
3325 if (looking_at( buf, &i, "Challenge:")) {
3326 if (appData.colorize) {
3327 if (oldi > next_out) {
3328 SendToPlayer(&buf[next_out], oldi - next_out);
3331 Colorize(ColorChallenge, FALSE);
3332 curColor = ColorChallenge;
3338 if (looking_at(buf, &i, "* offers you") ||
3339 looking_at(buf, &i, "* offers to be") ||
3340 looking_at(buf, &i, "* would like to") ||
3341 looking_at(buf, &i, "* requests to") ||
3342 looking_at(buf, &i, "Your opponent offers") ||
3343 looking_at(buf, &i, "Your opponent requests")) {
3345 if (appData.colorize) {
3346 if (oldi > next_out) {
3347 SendToPlayer(&buf[next_out], oldi - next_out);
3350 Colorize(ColorRequest, FALSE);
3351 curColor = ColorRequest;
3356 if (looking_at(buf, &i, "* (*) seeking")) {
3357 if (appData.colorize) {
3358 if (oldi > next_out) {
3359 SendToPlayer(&buf[next_out], oldi - next_out);
3362 Colorize(ColorSeek, FALSE);
3363 curColor = ColorSeek;
3368 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3370 if (looking_at(buf, &i, "\\ ")) {
3371 if (prevColor != ColorNormal) {
3372 if (oldi > next_out) {
3373 SendToPlayer(&buf[next_out], oldi - next_out);
3376 Colorize(prevColor, TRUE);
3377 curColor = prevColor;
3379 if (savingComment) {
3380 parse_pos = i - oldi;
3381 memcpy(parse, &buf[oldi], parse_pos);
3382 parse[parse_pos] = NULLCHAR;
3383 started = STARTED_COMMENT;
3384 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3385 chattingPartner = savingComment - 3; // kludge to remember the box
3387 started = STARTED_CHATTER;
3392 if (looking_at(buf, &i, "Black Strength :") ||
3393 looking_at(buf, &i, "<<< style 10 board >>>") ||
3394 looking_at(buf, &i, "<10>") ||
3395 looking_at(buf, &i, "#@#")) {
3396 /* Wrong board style */
3398 SendToICS(ics_prefix);
3399 SendToICS("set style 12\n");
3400 SendToICS(ics_prefix);
3401 SendToICS("refresh\n");
3405 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3407 have_sent_ICS_logon = 1;
3411 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3412 (looking_at(buf, &i, "\n<12> ") ||
3413 looking_at(buf, &i, "<12> "))) {
3415 if (oldi > next_out) {
3416 SendToPlayer(&buf[next_out], oldi - next_out);
3419 started = STARTED_BOARD;
3424 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3425 looking_at(buf, &i, "<b1> ")) {
3426 if (oldi > next_out) {
3427 SendToPlayer(&buf[next_out], oldi - next_out);
3430 started = STARTED_HOLDINGS;
3435 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3437 /* Header for a move list -- first line */
3439 switch (ics_getting_history) {
3443 case BeginningOfGame:
3444 /* User typed "moves" or "oldmoves" while we
3445 were idle. Pretend we asked for these
3446 moves and soak them up so user can step
3447 through them and/or save them.
3450 gameMode = IcsObserving;
3453 ics_getting_history = H_GOT_UNREQ_HEADER;
3455 case EditGame: /*?*/
3456 case EditPosition: /*?*/
3457 /* Should above feature work in these modes too? */
3458 /* For now it doesn't */
3459 ics_getting_history = H_GOT_UNWANTED_HEADER;
3462 ics_getting_history = H_GOT_UNWANTED_HEADER;
3467 /* Is this the right one? */
3468 if (gameInfo.white && gameInfo.black &&
3469 strcmp(gameInfo.white, star_match[0]) == 0 &&
3470 strcmp(gameInfo.black, star_match[2]) == 0) {
3472 ics_getting_history = H_GOT_REQ_HEADER;
3475 case H_GOT_REQ_HEADER:
3476 case H_GOT_UNREQ_HEADER:
3477 case H_GOT_UNWANTED_HEADER:
3478 case H_GETTING_MOVES:
3479 /* Should not happen */
3480 DisplayError(_("Error gathering move list: two headers"), 0);
3481 ics_getting_history = H_FALSE;
3485 /* Save player ratings into gameInfo if needed */
3486 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3487 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3488 (gameInfo.whiteRating == -1 ||
3489 gameInfo.blackRating == -1)) {
3491 gameInfo.whiteRating = string_to_rating(star_match[1]);
3492 gameInfo.blackRating = string_to_rating(star_match[3]);
3493 if (appData.debugMode)
3494 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3495 gameInfo.whiteRating, gameInfo.blackRating);
3500 if (looking_at(buf, &i,
3501 "* * match, initial time: * minute*, increment: * second")) {
3502 /* Header for a move list -- second line */
3503 /* Initial board will follow if this is a wild game */
3504 if (gameInfo.event != NULL) free(gameInfo.event);
3505 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3506 gameInfo.event = StrSave(str);
3507 /* [HGM] we switched variant. Translate boards if needed. */
3508 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3512 if (looking_at(buf, &i, "Move ")) {
3513 /* Beginning of a move list */
3514 switch (ics_getting_history) {
3516 /* Normally should not happen */
3517 /* Maybe user hit reset while we were parsing */
3520 /* Happens if we are ignoring a move list that is not
3521 * the one we just requested. Common if the user
3522 * tries to observe two games without turning off
3525 case H_GETTING_MOVES:
3526 /* Should not happen */
3527 DisplayError(_("Error gathering move list: nested"), 0);
3528 ics_getting_history = H_FALSE;
3530 case H_GOT_REQ_HEADER:
3531 ics_getting_history = H_GETTING_MOVES;
3532 started = STARTED_MOVES;
3534 if (oldi > next_out) {
3535 SendToPlayer(&buf[next_out], oldi - next_out);
3538 case H_GOT_UNREQ_HEADER:
3539 ics_getting_history = H_GETTING_MOVES;
3540 started = STARTED_MOVES_NOHIDE;
3543 case H_GOT_UNWANTED_HEADER:
3544 ics_getting_history = H_FALSE;
3550 if (looking_at(buf, &i, "% ") ||
3551 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3552 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3553 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3554 soughtPending = FALSE;
3558 if(suppressKibitz) next_out = i;
3559 savingComment = FALSE;
3563 case STARTED_MOVES_NOHIDE:
3564 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3565 parse[parse_pos + i - oldi] = NULLCHAR;
3566 ParseGameHistory(parse);
3568 if (appData.zippyPlay && first.initDone) {
3569 FeedMovesToProgram(&first, forwardMostMove);
3570 if (gameMode == IcsPlayingWhite) {
3571 if (WhiteOnMove(forwardMostMove)) {
3572 if (first.sendTime) {
3573 if (first.useColors) {
3574 SendToProgram("black\n", &first);
3576 SendTimeRemaining(&first, TRUE);
3578 if (first.useColors) {
3579 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3581 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3582 first.maybeThinking = TRUE;
3584 if (first.usePlayother) {
3585 if (first.sendTime) {
3586 SendTimeRemaining(&first, TRUE);
3588 SendToProgram("playother\n", &first);
3594 } else if (gameMode == IcsPlayingBlack) {
3595 if (!WhiteOnMove(forwardMostMove)) {
3596 if (first.sendTime) {
3597 if (first.useColors) {
3598 SendToProgram("white\n", &first);
3600 SendTimeRemaining(&first, FALSE);
3602 if (first.useColors) {
3603 SendToProgram("black\n", &first);
3605 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3606 first.maybeThinking = TRUE;
3608 if (first.usePlayother) {
3609 if (first.sendTime) {
3610 SendTimeRemaining(&first, FALSE);
3612 SendToProgram("playother\n", &first);
3621 if (gameMode == IcsObserving && ics_gamenum == -1) {
3622 /* Moves came from oldmoves or moves command
3623 while we weren't doing anything else.
3625 currentMove = forwardMostMove;
3626 ClearHighlights();/*!!could figure this out*/
3627 flipView = appData.flipView;
3628 DrawPosition(TRUE, boards[currentMove]);
3629 DisplayBothClocks();
3630 snprintf(str, MSG_SIZ, "%s vs. %s",
3631 gameInfo.white, gameInfo.black);
3635 /* Moves were history of an active game */
3636 if (gameInfo.resultDetails != NULL) {
3637 free(gameInfo.resultDetails);
3638 gameInfo.resultDetails = NULL;
3641 HistorySet(parseList, backwardMostMove,
3642 forwardMostMove, currentMove-1);
3643 DisplayMove(currentMove - 1);
3644 if (started == STARTED_MOVES) next_out = i;
3645 started = STARTED_NONE;
3646 ics_getting_history = H_FALSE;
3649 case STARTED_OBSERVE:
3650 started = STARTED_NONE;
3651 SendToICS(ics_prefix);
3652 SendToICS("refresh\n");
3658 if(bookHit) { // [HGM] book: simulate book reply
3659 static char bookMove[MSG_SIZ]; // a bit generous?
3661 programStats.nodes = programStats.depth = programStats.time =
3662 programStats.score = programStats.got_only_move = 0;
3663 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3665 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3666 strcat(bookMove, bookHit);
3667 HandleMachineMove(bookMove, &first);
3672 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3673 started == STARTED_HOLDINGS ||
3674 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3675 /* Accumulate characters in move list or board */
3676 parse[parse_pos++] = buf[i];
3679 /* Start of game messages. Mostly we detect start of game
3680 when the first board image arrives. On some versions
3681 of the ICS, though, we need to do a "refresh" after starting
3682 to observe in order to get the current board right away. */
3683 if (looking_at(buf, &i, "Adding game * to observation list")) {
3684 started = STARTED_OBSERVE;
3688 /* Handle auto-observe */
3689 if (appData.autoObserve &&
3690 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3691 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3693 /* Choose the player that was highlighted, if any. */
3694 if (star_match[0][0] == '\033' ||
3695 star_match[1][0] != '\033') {
3696 player = star_match[0];
3698 player = star_match[2];
3700 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3701 ics_prefix, StripHighlightAndTitle(player));
3704 /* Save ratings from notify string */
3705 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3706 player1Rating = string_to_rating(star_match[1]);
3707 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3708 player2Rating = string_to_rating(star_match[3]);
3710 if (appData.debugMode)
3712 "Ratings from 'Game notification:' %s %d, %s %d\n",
3713 player1Name, player1Rating,
3714 player2Name, player2Rating);
3719 /* Deal with automatic examine mode after a game,
3720 and with IcsObserving -> IcsExamining transition */
3721 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3722 looking_at(buf, &i, "has made you an examiner of game *")) {
3724 int gamenum = atoi(star_match[0]);
3725 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3726 gamenum == ics_gamenum) {
3727 /* We were already playing or observing this game;
3728 no need to refetch history */
3729 gameMode = IcsExamining;
3731 pauseExamForwardMostMove = forwardMostMove;
3732 } else if (currentMove < forwardMostMove) {
3733 ForwardInner(forwardMostMove);
3736 /* I don't think this case really can happen */
3737 SendToICS(ics_prefix);
3738 SendToICS("refresh\n");
3743 /* Error messages */
3744 // if (ics_user_moved) {
3745 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3746 if (looking_at(buf, &i, "Illegal move") ||
3747 looking_at(buf, &i, "Not a legal move") ||
3748 looking_at(buf, &i, "Your king is in check") ||
3749 looking_at(buf, &i, "It isn't your turn") ||
3750 looking_at(buf, &i, "It is not your move")) {
3752 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3753 currentMove = forwardMostMove-1;
3754 DisplayMove(currentMove - 1); /* before DMError */
3755 DrawPosition(FALSE, boards[currentMove]);
3756 SwitchClocks(forwardMostMove-1); // [HGM] race
3757 DisplayBothClocks();
3759 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3765 if (looking_at(buf, &i, "still have time") ||
3766 looking_at(buf, &i, "not out of time") ||
3767 looking_at(buf, &i, "either player is out of time") ||
3768 looking_at(buf, &i, "has timeseal; checking")) {
3769 /* We must have called his flag a little too soon */
3770 whiteFlag = blackFlag = FALSE;
3774 if (looking_at(buf, &i, "added * seconds to") ||
3775 looking_at(buf, &i, "seconds were added to")) {
3776 /* Update the clocks */
3777 SendToICS(ics_prefix);
3778 SendToICS("refresh\n");
3782 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3783 ics_clock_paused = TRUE;
3788 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3789 ics_clock_paused = FALSE;
3794 /* Grab player ratings from the Creating: message.
3795 Note we have to check for the special case when
3796 the ICS inserts things like [white] or [black]. */
3797 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3798 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3800 0 player 1 name (not necessarily white)
3802 2 empty, white, or black (IGNORED)
3803 3 player 2 name (not necessarily black)
3806 The names/ratings are sorted out when the game
3807 actually starts (below).
3809 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3810 player1Rating = string_to_rating(star_match[1]);
3811 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3812 player2Rating = string_to_rating(star_match[4]);
3814 if (appData.debugMode)
3816 "Ratings from 'Creating:' %s %d, %s %d\n",
3817 player1Name, player1Rating,
3818 player2Name, player2Rating);
3823 /* Improved generic start/end-of-game messages */
3824 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3825 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3826 /* If tkind == 0: */
3827 /* star_match[0] is the game number */
3828 /* [1] is the white player's name */
3829 /* [2] is the black player's name */
3830 /* For end-of-game: */
3831 /* [3] is the reason for the game end */
3832 /* [4] is a PGN end game-token, preceded by " " */
3833 /* For start-of-game: */
3834 /* [3] begins with "Creating" or "Continuing" */
3835 /* [4] is " *" or empty (don't care). */
3836 int gamenum = atoi(star_match[0]);
3837 char *whitename, *blackname, *why, *endtoken;
3838 ChessMove endtype = EndOfFile;
3841 whitename = star_match[1];
3842 blackname = star_match[2];
3843 why = star_match[3];
3844 endtoken = star_match[4];
3846 whitename = star_match[1];
3847 blackname = star_match[3];
3848 why = star_match[5];
3849 endtoken = star_match[6];
3852 /* Game start messages */
3853 if (strncmp(why, "Creating ", 9) == 0 ||
3854 strncmp(why, "Continuing ", 11) == 0) {
3855 gs_gamenum = gamenum;
3856 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3857 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3859 if (appData.zippyPlay) {
3860 ZippyGameStart(whitename, blackname);
3863 partnerBoardValid = FALSE; // [HGM] bughouse
3867 /* Game end messages */
3868 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3869 ics_gamenum != gamenum) {
3872 while (endtoken[0] == ' ') endtoken++;
3873 switch (endtoken[0]) {
3876 endtype = GameUnfinished;
3879 endtype = BlackWins;
3882 if (endtoken[1] == '/')
3883 endtype = GameIsDrawn;
3885 endtype = WhiteWins;
3888 GameEnds(endtype, why, GE_ICS);
3890 if (appData.zippyPlay && first.initDone) {
3891 ZippyGameEnd(endtype, why);
3892 if (first.pr == NULL) {
3893 /* Start the next process early so that we'll
3894 be ready for the next challenge */
3895 StartChessProgram(&first);
3897 /* Send "new" early, in case this command takes
3898 a long time to finish, so that we'll be ready
3899 for the next challenge. */
3900 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3904 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3908 if (looking_at(buf, &i, "Removing game * from observation") ||
3909 looking_at(buf, &i, "no longer observing game *") ||
3910 looking_at(buf, &i, "Game * (*) has no examiners")) {
3911 if (gameMode == IcsObserving &&
3912 atoi(star_match[0]) == ics_gamenum)
3914 /* icsEngineAnalyze */
3915 if (appData.icsEngineAnalyze) {
3922 ics_user_moved = FALSE;
3927 if (looking_at(buf, &i, "no longer examining game *")) {
3928 if (gameMode == IcsExamining &&
3929 atoi(star_match[0]) == ics_gamenum)
3933 ics_user_moved = FALSE;
3938 /* Advance leftover_start past any newlines we find,
3939 so only partial lines can get reparsed */
3940 if (looking_at(buf, &i, "\n")) {
3941 prevColor = curColor;
3942 if (curColor != ColorNormal) {
3943 if (oldi > next_out) {
3944 SendToPlayer(&buf[next_out], oldi - next_out);
3947 Colorize(ColorNormal, FALSE);
3948 curColor = ColorNormal;
3950 if (started == STARTED_BOARD) {
3951 started = STARTED_NONE;
3952 parse[parse_pos] = NULLCHAR;
3953 ParseBoard12(parse);
3956 /* Send premove here */
3957 if (appData.premove) {
3959 if (currentMove == 0 &&
3960 gameMode == IcsPlayingWhite &&
3961 appData.premoveWhite) {
3962 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3963 if (appData.debugMode)
3964 fprintf(debugFP, "Sending premove:\n");
3966 } else if (currentMove == 1 &&
3967 gameMode == IcsPlayingBlack &&
3968 appData.premoveBlack) {
3969 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3970 if (appData.debugMode)
3971 fprintf(debugFP, "Sending premove:\n");
3973 } else if (gotPremove) {
3975 ClearPremoveHighlights();
3976 if (appData.debugMode)
3977 fprintf(debugFP, "Sending premove:\n");
3978 UserMoveEvent(premoveFromX, premoveFromY,
3979 premoveToX, premoveToY,
3984 /* Usually suppress following prompt */
3985 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3986 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3987 if (looking_at(buf, &i, "*% ")) {
3988 savingComment = FALSE;
3993 } else if (started == STARTED_HOLDINGS) {
3995 char new_piece[MSG_SIZ];
3996 started = STARTED_NONE;
3997 parse[parse_pos] = NULLCHAR;
3998 if (appData.debugMode)
3999 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4000 parse, currentMove);
4001 if (sscanf(parse, " game %d", &gamenum) == 1) {
4002 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4003 if (gameInfo.variant == VariantNormal) {
4004 /* [HGM] We seem to switch variant during a game!
4005 * Presumably no holdings were displayed, so we have
4006 * to move the position two files to the right to
4007 * create room for them!
4009 VariantClass newVariant;
4010 switch(gameInfo.boardWidth) { // base guess on board width
4011 case 9: newVariant = VariantShogi; break;
4012 case 10: newVariant = VariantGreat; break;
4013 default: newVariant = VariantCrazyhouse; break;
4015 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4016 /* Get a move list just to see the header, which
4017 will tell us whether this is really bug or zh */
4018 if (ics_getting_history == H_FALSE) {
4019 ics_getting_history = H_REQUESTED;
4020 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4024 new_piece[0] = NULLCHAR;
4025 sscanf(parse, "game %d white [%s black [%s <- %s",
4026 &gamenum, white_holding, black_holding,
4028 white_holding[strlen(white_holding)-1] = NULLCHAR;
4029 black_holding[strlen(black_holding)-1] = NULLCHAR;
4030 /* [HGM] copy holdings to board holdings area */
4031 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4032 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4033 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4035 if (appData.zippyPlay && first.initDone) {
4036 ZippyHoldings(white_holding, black_holding,
4040 if (tinyLayout || smallLayout) {
4041 char wh[16], bh[16];
4042 PackHolding(wh, white_holding);
4043 PackHolding(bh, black_holding);
4044 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4045 gameInfo.white, gameInfo.black);
4047 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4048 gameInfo.white, white_holding,
4049 gameInfo.black, black_holding);
4051 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4052 DrawPosition(FALSE, boards[currentMove]);
4054 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4055 sscanf(parse, "game %d white [%s black [%s <- %s",
4056 &gamenum, white_holding, black_holding,
4058 white_holding[strlen(white_holding)-1] = NULLCHAR;
4059 black_holding[strlen(black_holding)-1] = NULLCHAR;
4060 /* [HGM] copy holdings to partner-board holdings area */
4061 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4062 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4063 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4064 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4065 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4068 /* Suppress following prompt */
4069 if (looking_at(buf, &i, "*% ")) {
4070 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4071 savingComment = FALSE;
4079 i++; /* skip unparsed character and loop back */
4082 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4083 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4084 // SendToPlayer(&buf[next_out], i - next_out);
4085 started != STARTED_HOLDINGS && leftover_start > next_out) {
4086 SendToPlayer(&buf[next_out], leftover_start - next_out);
4090 leftover_len = buf_len - leftover_start;
4091 /* if buffer ends with something we couldn't parse,
4092 reparse it after appending the next read */
4094 } else if (count == 0) {
4095 RemoveInputSource(isr);
4096 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4098 DisplayFatalError(_("Error reading from ICS"), error, 1);
4103 /* Board style 12 looks like this:
4105 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4107 * The "<12> " is stripped before it gets to this routine. The two
4108 * trailing 0's (flip state and clock ticking) are later addition, and
4109 * some chess servers may not have them, or may have only the first.
4110 * Additional trailing fields may be added in the future.
4113 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4115 #define RELATION_OBSERVING_PLAYED 0
4116 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4117 #define RELATION_PLAYING_MYMOVE 1
4118 #define RELATION_PLAYING_NOTMYMOVE -1
4119 #define RELATION_EXAMINING 2
4120 #define RELATION_ISOLATED_BOARD -3
4121 #define RELATION_STARTING_POSITION -4 /* FICS only */
4124 ParseBoard12(string)
4127 GameMode newGameMode;
4128 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4129 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4130 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4131 char to_play, board_chars[200];
4132 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4133 char black[32], white[32];
4135 int prevMove = currentMove;
4138 int fromX, fromY, toX, toY;
4140 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4141 char *bookHit = NULL; // [HGM] book
4142 Boolean weird = FALSE, reqFlag = FALSE;
4144 fromX = fromY = toX = toY = -1;
4148 if (appData.debugMode)
4149 fprintf(debugFP, _("Parsing board: %s\n"), string);
4151 move_str[0] = NULLCHAR;
4152 elapsed_time[0] = NULLCHAR;
4153 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4155 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4156 if(string[i] == ' ') { ranks++; files = 0; }
4158 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4161 for(j = 0; j <i; j++) board_chars[j] = string[j];
4162 board_chars[i] = '\0';
4165 n = sscanf(string, PATTERN, &to_play, &double_push,
4166 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4167 &gamenum, white, black, &relation, &basetime, &increment,
4168 &white_stren, &black_stren, &white_time, &black_time,
4169 &moveNum, str, elapsed_time, move_str, &ics_flip,
4173 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4174 DisplayError(str, 0);
4178 /* Convert the move number to internal form */
4179 moveNum = (moveNum - 1) * 2;
4180 if (to_play == 'B') moveNum++;
4181 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4182 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4188 case RELATION_OBSERVING_PLAYED:
4189 case RELATION_OBSERVING_STATIC:
4190 if (gamenum == -1) {
4191 /* Old ICC buglet */
4192 relation = RELATION_OBSERVING_STATIC;
4194 newGameMode = IcsObserving;
4196 case RELATION_PLAYING_MYMOVE:
4197 case RELATION_PLAYING_NOTMYMOVE:
4199 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4200 IcsPlayingWhite : IcsPlayingBlack;
4202 case RELATION_EXAMINING:
4203 newGameMode = IcsExamining;
4205 case RELATION_ISOLATED_BOARD:
4207 /* Just display this board. If user was doing something else,
4208 we will forget about it until the next board comes. */
4209 newGameMode = IcsIdle;
4211 case RELATION_STARTING_POSITION:
4212 newGameMode = gameMode;
4216 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4217 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4218 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4220 for (k = 0; k < ranks; k++) {
4221 for (j = 0; j < files; j++)
4222 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4223 if(gameInfo.holdingsWidth > 1) {
4224 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4225 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4228 CopyBoard(partnerBoard, board);
4229 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4230 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4231 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4232 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4233 if(toSqr = strchr(str, '-')) {
4234 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4235 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4236 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4237 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4238 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4239 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4240 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4241 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4242 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4243 DisplayMessage(partnerStatus, "");
4244 partnerBoardValid = TRUE;
4248 /* Modify behavior for initial board display on move listing
4251 switch (ics_getting_history) {
4255 case H_GOT_REQ_HEADER:
4256 case H_GOT_UNREQ_HEADER:
4257 /* This is the initial position of the current game */
4258 gamenum = ics_gamenum;
4259 moveNum = 0; /* old ICS bug workaround */
4260 if (to_play == 'B') {
4261 startedFromSetupPosition = TRUE;
4262 blackPlaysFirst = TRUE;
4264 if (forwardMostMove == 0) forwardMostMove = 1;
4265 if (backwardMostMove == 0) backwardMostMove = 1;
4266 if (currentMove == 0) currentMove = 1;
4268 newGameMode = gameMode;
4269 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4271 case H_GOT_UNWANTED_HEADER:
4272 /* This is an initial board that we don't want */
4274 case H_GETTING_MOVES:
4275 /* Should not happen */
4276 DisplayError(_("Error gathering move list: extra board"), 0);
4277 ics_getting_history = H_FALSE;
4281 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4282 weird && (int)gameInfo.variant < (int)VariantShogi) {
4283 /* [HGM] We seem to have switched variant unexpectedly
4284 * Try to guess new variant from board size
4286 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4287 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4288 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4289 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4290 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4291 if(!weird) newVariant = VariantNormal;
4292 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4293 /* Get a move list just to see the header, which
4294 will tell us whether this is really bug or zh */
4295 if (ics_getting_history == H_FALSE) {
4296 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4297 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4302 /* Take action if this is the first board of a new game, or of a
4303 different game than is currently being displayed. */
4304 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4305 relation == RELATION_ISOLATED_BOARD) {
4307 /* Forget the old game and get the history (if any) of the new one */
4308 if (gameMode != BeginningOfGame) {
4312 if (appData.autoRaiseBoard) BoardToTop();
4314 if (gamenum == -1) {
4315 newGameMode = IcsIdle;
4316 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4317 appData.getMoveList && !reqFlag) {
4318 /* Need to get game history */
4319 ics_getting_history = H_REQUESTED;
4320 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4324 /* Initially flip the board to have black on the bottom if playing
4325 black or if the ICS flip flag is set, but let the user change
4326 it with the Flip View button. */
4327 flipView = appData.autoFlipView ?
4328 (newGameMode == IcsPlayingBlack) || ics_flip :
4331 /* Done with values from previous mode; copy in new ones */
4332 gameMode = newGameMode;
4334 ics_gamenum = gamenum;
4335 if (gamenum == gs_gamenum) {
4336 int klen = strlen(gs_kind);
4337 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4338 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4339 gameInfo.event = StrSave(str);
4341 gameInfo.event = StrSave("ICS game");
4343 gameInfo.site = StrSave(appData.icsHost);
4344 gameInfo.date = PGNDate();
4345 gameInfo.round = StrSave("-");
4346 gameInfo.white = StrSave(white);
4347 gameInfo.black = StrSave(black);
4348 timeControl = basetime * 60 * 1000;
4350 timeIncrement = increment * 1000;
4351 movesPerSession = 0;
4352 gameInfo.timeControl = TimeControlTagValue();
4353 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4354 if (appData.debugMode) {
4355 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4356 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4357 setbuf(debugFP, NULL);
4360 gameInfo.outOfBook = NULL;
4362 /* Do we have the ratings? */
4363 if (strcmp(player1Name, white) == 0 &&
4364 strcmp(player2Name, black) == 0) {
4365 if (appData.debugMode)
4366 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4367 player1Rating, player2Rating);
4368 gameInfo.whiteRating = player1Rating;
4369 gameInfo.blackRating = player2Rating;
4370 } else if (strcmp(player2Name, white) == 0 &&
4371 strcmp(player1Name, black) == 0) {
4372 if (appData.debugMode)
4373 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4374 player2Rating, player1Rating);
4375 gameInfo.whiteRating = player2Rating;
4376 gameInfo.blackRating = player1Rating;
4378 player1Name[0] = player2Name[0] = NULLCHAR;
4380 /* Silence shouts if requested */
4381 if (appData.quietPlay &&
4382 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4383 SendToICS(ics_prefix);
4384 SendToICS("set shout 0\n");
4388 /* Deal with midgame name changes */
4390 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4391 if (gameInfo.white) free(gameInfo.white);
4392 gameInfo.white = StrSave(white);
4394 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4395 if (gameInfo.black) free(gameInfo.black);
4396 gameInfo.black = StrSave(black);
4400 /* Throw away game result if anything actually changes in examine mode */
4401 if (gameMode == IcsExamining && !newGame) {
4402 gameInfo.result = GameUnfinished;
4403 if (gameInfo.resultDetails != NULL) {
4404 free(gameInfo.resultDetails);
4405 gameInfo.resultDetails = NULL;
4409 /* In pausing && IcsExamining mode, we ignore boards coming
4410 in if they are in a different variation than we are. */
4411 if (pauseExamInvalid) return;
4412 if (pausing && gameMode == IcsExamining) {
4413 if (moveNum <= pauseExamForwardMostMove) {
4414 pauseExamInvalid = TRUE;
4415 forwardMostMove = pauseExamForwardMostMove;
4420 if (appData.debugMode) {
4421 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4423 /* Parse the board */
4424 for (k = 0; k < ranks; k++) {
4425 for (j = 0; j < files; j++)
4426 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4427 if(gameInfo.holdingsWidth > 1) {
4428 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4429 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4432 CopyBoard(boards[moveNum], board);
4433 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4435 startedFromSetupPosition =
4436 !CompareBoards(board, initialPosition);
4437 if(startedFromSetupPosition)
4438 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4441 /* [HGM] Set castling rights. Take the outermost Rooks,
4442 to make it also work for FRC opening positions. Note that board12
4443 is really defective for later FRC positions, as it has no way to
4444 indicate which Rook can castle if they are on the same side of King.
4445 For the initial position we grant rights to the outermost Rooks,
4446 and remember thos rights, and we then copy them on positions
4447 later in an FRC game. This means WB might not recognize castlings with
4448 Rooks that have moved back to their original position as illegal,
4449 but in ICS mode that is not its job anyway.
4451 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4452 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4454 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4455 if(board[0][i] == WhiteRook) j = i;
4456 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4457 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4458 if(board[0][i] == WhiteRook) j = i;
4459 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4460 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4461 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4462 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4463 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4464 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4465 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4467 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4468 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4469 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4470 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4471 if(board[BOARD_HEIGHT-1][k] == bKing)
4472 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4473 if(gameInfo.variant == VariantTwoKings) {
4474 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4475 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4476 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4479 r = boards[moveNum][CASTLING][0] = initialRights[0];
4480 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4481 r = boards[moveNum][CASTLING][1] = initialRights[1];
4482 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4483 r = boards[moveNum][CASTLING][3] = initialRights[3];
4484 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4485 r = boards[moveNum][CASTLING][4] = initialRights[4];
4486 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4487 /* wildcastle kludge: always assume King has rights */
4488 r = boards[moveNum][CASTLING][2] = initialRights[2];
4489 r = boards[moveNum][CASTLING][5] = initialRights[5];
4491 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4492 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4495 if (ics_getting_history == H_GOT_REQ_HEADER ||
4496 ics_getting_history == H_GOT_UNREQ_HEADER) {
4497 /* This was an initial position from a move list, not
4498 the current position */
4502 /* Update currentMove and known move number limits */
4503 newMove = newGame || moveNum > forwardMostMove;
4506 forwardMostMove = backwardMostMove = currentMove = moveNum;
4507 if (gameMode == IcsExamining && moveNum == 0) {
4508 /* Workaround for ICS limitation: we are not told the wild
4509 type when starting to examine a game. But if we ask for
4510 the move list, the move list header will tell us */
4511 ics_getting_history = H_REQUESTED;
4512 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4515 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4516 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4518 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4519 /* [HGM] applied this also to an engine that is silently watching */
4520 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4521 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4522 gameInfo.variant == currentlyInitializedVariant) {
4523 takeback = forwardMostMove - moveNum;
4524 for (i = 0; i < takeback; i++) {
4525 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4526 SendToProgram("undo\n", &first);
4531 forwardMostMove = moveNum;
4532 if (!pausing || currentMove > forwardMostMove)
4533 currentMove = forwardMostMove;
4535 /* New part of history that is not contiguous with old part */
4536 if (pausing && gameMode == IcsExamining) {
4537 pauseExamInvalid = TRUE;
4538 forwardMostMove = pauseExamForwardMostMove;
4541 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4543 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4544 // [HGM] when we will receive the move list we now request, it will be
4545 // fed to the engine from the first move on. So if the engine is not
4546 // in the initial position now, bring it there.
4547 InitChessProgram(&first, 0);
4550 ics_getting_history = H_REQUESTED;
4551 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4554 forwardMostMove = backwardMostMove = currentMove = moveNum;
4557 /* Update the clocks */
4558 if (strchr(elapsed_time, '.')) {
4560 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4561 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4563 /* Time is in seconds */
4564 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4565 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4570 if (appData.zippyPlay && newGame &&
4571 gameMode != IcsObserving && gameMode != IcsIdle &&
4572 gameMode != IcsExamining)
4573 ZippyFirstBoard(moveNum, basetime, increment);
4576 /* Put the move on the move list, first converting
4577 to canonical algebraic form. */
4579 if (appData.debugMode) {
4580 if (appData.debugMode) { int f = forwardMostMove;
4581 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4582 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4583 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4585 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4586 fprintf(debugFP, "moveNum = %d\n", moveNum);
4587 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4588 setbuf(debugFP, NULL);
4590 if (moveNum <= backwardMostMove) {
4591 /* We don't know what the board looked like before
4593 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4594 strcat(parseList[moveNum - 1], " ");
4595 strcat(parseList[moveNum - 1], elapsed_time);
4596 moveList[moveNum - 1][0] = NULLCHAR;
4597 } else if (strcmp(move_str, "none") == 0) {
4598 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4599 /* Again, we don't know what the board looked like;
4600 this is really the start of the game. */
4601 parseList[moveNum - 1][0] = NULLCHAR;
4602 moveList[moveNum - 1][0] = NULLCHAR;
4603 backwardMostMove = moveNum;
4604 startedFromSetupPosition = TRUE;
4605 fromX = fromY = toX = toY = -1;
4607 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4608 // So we parse the long-algebraic move string in stead of the SAN move
4609 int valid; char buf[MSG_SIZ], *prom;
4611 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4612 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4613 // str looks something like "Q/a1-a2"; kill the slash
4615 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4616 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4617 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4618 strcat(buf, prom); // long move lacks promo specification!
4619 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4620 if(appData.debugMode)
4621 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4622 safeStrCpy(move_str, buf, MSG_SIZ);
4624 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4625 &fromX, &fromY, &toX, &toY, &promoChar)
4626 || ParseOneMove(buf, moveNum - 1, &moveType,
4627 &fromX, &fromY, &toX, &toY, &promoChar);
4628 // end of long SAN patch
4630 (void) CoordsToAlgebraic(boards[moveNum - 1],
4631 PosFlags(moveNum - 1),
4632 fromY, fromX, toY, toX, promoChar,
4633 parseList[moveNum-1]);
4634 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4640 if(gameInfo.variant != VariantShogi)
4641 strcat(parseList[moveNum - 1], "+");
4644 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4645 strcat(parseList[moveNum - 1], "#");
4648 strcat(parseList[moveNum - 1], " ");
4649 strcat(parseList[moveNum - 1], elapsed_time);
4650 /* currentMoveString is set as a side-effect of ParseOneMove */
4651 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4652 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4653 strcat(moveList[moveNum - 1], "\n");
4655 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4656 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4657 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4658 ChessSquare old, new = boards[moveNum][k][j];
4659 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4660 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4661 if(old == new) continue;
4662 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4663 else if(new == WhiteWazir || new == BlackWazir) {
4664 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4665 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4666 else boards[moveNum][k][j] = old; // preserve type of Gold
4667 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4668 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4671 /* Move from ICS was illegal!? Punt. */
4672 if (appData.debugMode) {
4673 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4674 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4676 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4677 strcat(parseList[moveNum - 1], " ");
4678 strcat(parseList[moveNum - 1], elapsed_time);
4679 moveList[moveNum - 1][0] = NULLCHAR;
4680 fromX = fromY = toX = toY = -1;
4683 if (appData.debugMode) {
4684 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4685 setbuf(debugFP, NULL);
4689 /* Send move to chess program (BEFORE animating it). */
4690 if (appData.zippyPlay && !newGame && newMove &&
4691 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4693 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4694 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4695 if (moveList[moveNum - 1][0] == NULLCHAR) {
4696 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4698 DisplayError(str, 0);
4700 if (first.sendTime) {
4701 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4703 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4704 if (firstMove && !bookHit) {
4706 if (first.useColors) {
4707 SendToProgram(gameMode == IcsPlayingWhite ?
4709 "black\ngo\n", &first);
4711 SendToProgram("go\n", &first);
4713 first.maybeThinking = TRUE;
4716 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4717 if (moveList[moveNum - 1][0] == NULLCHAR) {
4718 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4719 DisplayError(str, 0);
4721 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4722 SendMoveToProgram(moveNum - 1, &first);
4729 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4730 /* If move comes from a remote source, animate it. If it
4731 isn't remote, it will have already been animated. */
4732 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4733 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4735 if (!pausing && appData.highlightLastMove) {
4736 SetHighlights(fromX, fromY, toX, toY);
4740 /* Start the clocks */
4741 whiteFlag = blackFlag = FALSE;
4742 appData.clockMode = !(basetime == 0 && increment == 0);
4744 ics_clock_paused = TRUE;
4746 } else if (ticking == 1) {
4747 ics_clock_paused = FALSE;
4749 if (gameMode == IcsIdle ||
4750 relation == RELATION_OBSERVING_STATIC ||
4751 relation == RELATION_EXAMINING ||
4753 DisplayBothClocks();
4757 /* Display opponents and material strengths */
4758 if (gameInfo.variant != VariantBughouse &&
4759 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4760 if (tinyLayout || smallLayout) {
4761 if(gameInfo.variant == VariantNormal)
4762 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4763 gameInfo.white, white_stren, gameInfo.black, black_stren,
4764 basetime, increment);
4766 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4767 gameInfo.white, white_stren, gameInfo.black, black_stren,
4768 basetime, increment, (int) gameInfo.variant);
4770 if(gameInfo.variant == VariantNormal)
4771 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4772 gameInfo.white, white_stren, gameInfo.black, black_stren,
4773 basetime, increment);
4775 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4776 gameInfo.white, white_stren, gameInfo.black, black_stren,
4777 basetime, increment, VariantName(gameInfo.variant));
4780 if (appData.debugMode) {
4781 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4786 /* Display the board */
4787 if (!pausing && !appData.noGUI) {
4789 if (appData.premove)
4791 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4792 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4793 ClearPremoveHighlights();
4795 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4796 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4797 DrawPosition(j, boards[currentMove]);
4799 DisplayMove(moveNum - 1);
4800 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4801 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4802 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4803 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4807 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4809 if(bookHit) { // [HGM] book: simulate book reply
4810 static char bookMove[MSG_SIZ]; // a bit generous?
4812 programStats.nodes = programStats.depth = programStats.time =
4813 programStats.score = programStats.got_only_move = 0;
4814 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4816 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4817 strcat(bookMove, bookHit);
4818 HandleMachineMove(bookMove, &first);
4827 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4828 ics_getting_history = H_REQUESTED;
4829 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4835 AnalysisPeriodicEvent(force)
4838 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4839 && !force) || !appData.periodicUpdates)
4842 /* Send . command to Crafty to collect stats */
4843 SendToProgram(".\n", &first);
4845 /* Don't send another until we get a response (this makes
4846 us stop sending to old Crafty's which don't understand
4847 the "." command (sending illegal cmds resets node count & time,
4848 which looks bad)) */
4849 programStats.ok_to_send = 0;
4852 void ics_update_width(new_width)
4855 ics_printf("set width %d\n", new_width);
4859 SendMoveToProgram(moveNum, cps)
4861 ChessProgramState *cps;
4865 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4866 // null move in variant where engine does not understand it (for analysis purposes)
4867 SendBoard(cps, moveNum + 1); // send position after move in stead.
4870 if (cps->useUsermove) {
4871 SendToProgram("usermove ", cps);
4875 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4876 int len = space - parseList[moveNum];
4877 memcpy(buf, parseList[moveNum], len);
4879 buf[len] = NULLCHAR;
4881 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4883 SendToProgram(buf, cps);
4885 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4886 AlphaRank(moveList[moveNum], 4);
4887 SendToProgram(moveList[moveNum], cps);
4888 AlphaRank(moveList[moveNum], 4); // and back
4890 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4891 * the engine. It would be nice to have a better way to identify castle
4893 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4894 && cps->useOOCastle) {
4895 int fromX = moveList[moveNum][0] - AAA;
4896 int fromY = moveList[moveNum][1] - ONE;
4897 int toX = moveList[moveNum][2] - AAA;
4898 int toY = moveList[moveNum][3] - ONE;
4899 if((boards[moveNum][fromY][fromX] == WhiteKing
4900 && boards[moveNum][toY][toX] == WhiteRook)
4901 || (boards[moveNum][fromY][fromX] == BlackKing
4902 && boards[moveNum][toY][toX] == BlackRook)) {
4903 if(toX > fromX) SendToProgram("O-O\n", cps);
4904 else SendToProgram("O-O-O\n", cps);
4906 else SendToProgram(moveList[moveNum], cps);
4908 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4909 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4910 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4911 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4912 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4914 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4915 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4916 SendToProgram(buf, cps);
4918 else SendToProgram(moveList[moveNum], cps);
4919 /* End of additions by Tord */
4922 /* [HGM] setting up the opening has brought engine in force mode! */
4923 /* Send 'go' if we are in a mode where machine should play. */
4924 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4925 (gameMode == TwoMachinesPlay ||
4927 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4929 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4930 SendToProgram("go\n", cps);
4931 if (appData.debugMode) {
4932 fprintf(debugFP, "(extra)\n");
4935 setboardSpoiledMachineBlack = 0;
4939 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4941 int fromX, fromY, toX, toY;
4944 char user_move[MSG_SIZ];
4948 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4949 (int)moveType, fromX, fromY, toX, toY);
4950 DisplayError(user_move + strlen("say "), 0);
4952 case WhiteKingSideCastle:
4953 case BlackKingSideCastle:
4954 case WhiteQueenSideCastleWild:
4955 case BlackQueenSideCastleWild:
4957 case WhiteHSideCastleFR:
4958 case BlackHSideCastleFR:
4960 snprintf(user_move, MSG_SIZ, "o-o\n");
4962 case WhiteQueenSideCastle:
4963 case BlackQueenSideCastle:
4964 case WhiteKingSideCastleWild:
4965 case BlackKingSideCastleWild:
4967 case WhiteASideCastleFR:
4968 case BlackASideCastleFR:
4970 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4972 case WhiteNonPromotion:
4973 case BlackNonPromotion:
4974 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4976 case WhitePromotion:
4977 case BlackPromotion:
4978 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4979 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4980 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4981 PieceToChar(WhiteFerz));
4982 else if(gameInfo.variant == VariantGreat)
4983 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4984 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4985 PieceToChar(WhiteMan));
4987 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4988 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4994 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4995 ToUpper(PieceToChar((ChessSquare) fromX)),
4996 AAA + toX, ONE + toY);
4998 case IllegalMove: /* could be a variant we don't quite understand */
4999 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5001 case WhiteCapturesEnPassant:
5002 case BlackCapturesEnPassant:
5003 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5004 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5007 SendToICS(user_move);
5008 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5009 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5014 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5015 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5016 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5017 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5018 DisplayError("You cannot do this while you are playing or observing", 0);
5021 if(gameMode != IcsExamining) { // is this ever not the case?
5022 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5024 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5025 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5026 } else { // on FICS we must first go to general examine mode
5027 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5029 if(gameInfo.variant != VariantNormal) {
5030 // try figure out wild number, as xboard names are not always valid on ICS
5031 for(i=1; i<=36; i++) {
5032 snprintf(buf, MSG_SIZ, "wild/%d", i);
5033 if(StringToVariant(buf) == gameInfo.variant) break;
5035 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5036 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5037 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5038 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5039 SendToICS(ics_prefix);
5041 if(startedFromSetupPosition || backwardMostMove != 0) {
5042 fen = PositionToFEN(backwardMostMove, NULL);
5043 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5044 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5046 } else { // FICS: everything has to set by separate bsetup commands
5047 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5048 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5050 if(!WhiteOnMove(backwardMostMove)) {
5051 SendToICS("bsetup tomove black\n");
5053 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5054 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5056 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5057 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5059 i = boards[backwardMostMove][EP_STATUS];
5060 if(i >= 0) { // set e.p.
5061 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5067 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5068 SendToICS("bsetup done\n"); // switch to normal examining.
5070 for(i = backwardMostMove; i<last; i++) {
5072 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5075 SendToICS(ics_prefix);
5076 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5080 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5085 if (rf == DROP_RANK) {
5086 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5087 sprintf(move, "%c@%c%c\n",
5088 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5090 if (promoChar == 'x' || promoChar == NULLCHAR) {
5091 sprintf(move, "%c%c%c%c\n",
5092 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5094 sprintf(move, "%c%c%c%c%c\n",
5095 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5101 ProcessICSInitScript(f)
5106 while (fgets(buf, MSG_SIZ, f)) {
5107 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5114 static int lastX, lastY, selectFlag, dragging;
5119 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5120 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5121 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5122 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5123 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5124 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5127 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5128 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5129 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5130 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5132 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5133 appData.testLegality && (promoSweep == king ||
5134 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5135 ChangeDragPiece(promoSweep);
5138 int PromoScroll(int x, int y)
5142 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5143 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5144 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5145 if(!step) return FALSE;
5146 lastX = x; lastY = y;
5147 if((promoSweep < BlackPawn) == flipView) step = -step;
5148 if(step > 0) selectFlag = 1;
5149 if(!selectFlag) Sweep(step);
5156 ChessSquare piece = boards[currentMove][toY][toX];
5159 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5160 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5161 if(!step) step = -1;
5162 } while(PieceToChar(pieceSweep) == '.');
5163 boards[currentMove][toY][toX] = pieceSweep;
5164 DrawPosition(FALSE, boards[currentMove]);
5165 boards[currentMove][toY][toX] = piece;
5167 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5169 AlphaRank(char *move, int n)
5171 // char *p = move, c; int x, y;
5173 if (appData.debugMode) {
5174 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5178 move[2]>='0' && move[2]<='9' &&
5179 move[3]>='a' && move[3]<='x' ) {
5181 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5182 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5184 if(move[0]>='0' && move[0]<='9' &&
5185 move[1]>='a' && move[1]<='x' &&
5186 move[2]>='0' && move[2]<='9' &&
5187 move[3]>='a' && move[3]<='x' ) {
5188 /* input move, Shogi -> normal */
5189 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5190 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5191 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5192 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5195 move[3]>='0' && move[3]<='9' &&
5196 move[2]>='a' && move[2]<='x' ) {
5198 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5199 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5202 move[0]>='a' && move[0]<='x' &&
5203 move[3]>='0' && move[3]<='9' &&
5204 move[2]>='a' && move[2]<='x' ) {
5205 /* output move, normal -> Shogi */
5206 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5207 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5208 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5209 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5210 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5212 if (appData.debugMode) {
5213 fprintf(debugFP, " out = '%s'\n", move);
5217 char yy_textstr[8000];
5219 /* Parser for moves from gnuchess, ICS, or user typein box */
5221 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5224 ChessMove *moveType;
5225 int *fromX, *fromY, *toX, *toY;
5228 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5230 switch (*moveType) {
5231 case WhitePromotion:
5232 case BlackPromotion:
5233 case WhiteNonPromotion:
5234 case BlackNonPromotion:
5236 case WhiteCapturesEnPassant:
5237 case BlackCapturesEnPassant:
5238 case WhiteKingSideCastle:
5239 case WhiteQueenSideCastle:
5240 case BlackKingSideCastle:
5241 case BlackQueenSideCastle:
5242 case WhiteKingSideCastleWild:
5243 case WhiteQueenSideCastleWild:
5244 case BlackKingSideCastleWild:
5245 case BlackQueenSideCastleWild:
5246 /* Code added by Tord: */
5247 case WhiteHSideCastleFR:
5248 case WhiteASideCastleFR:
5249 case BlackHSideCastleFR:
5250 case BlackASideCastleFR:
5251 /* End of code added by Tord */
5252 case IllegalMove: /* bug or odd chess variant */
5253 *fromX = currentMoveString[0] - AAA;
5254 *fromY = currentMoveString[1] - ONE;
5255 *toX = currentMoveString[2] - AAA;
5256 *toY = currentMoveString[3] - ONE;
5257 *promoChar = currentMoveString[4];
5258 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5259 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5260 if (appData.debugMode) {
5261 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5263 *fromX = *fromY = *toX = *toY = 0;
5266 if (appData.testLegality) {
5267 return (*moveType != IllegalMove);
5269 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5270 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5275 *fromX = *moveType == WhiteDrop ?
5276 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5277 (int) CharToPiece(ToLower(currentMoveString[0]));
5279 *toX = currentMoveString[2] - AAA;
5280 *toY = currentMoveString[3] - ONE;
5281 *promoChar = NULLCHAR;
5285 case ImpossibleMove:
5295 if (appData.debugMode) {
5296 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5299 *fromX = *fromY = *toX = *toY = 0;
5300 *promoChar = NULLCHAR;
5305 Boolean pushed = FALSE;
5306 char *lastParseAttempt;
5309 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5310 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5311 int fromX, fromY, toX, toY; char promoChar;
5316 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5317 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5320 endPV = forwardMostMove;
5322 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5323 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5324 lastParseAttempt = pv;
5325 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5326 if(appData.debugMode){
5327 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
5329 if(!valid && nr == 0 &&
5330 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5331 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5332 // Hande case where played move is different from leading PV move
5333 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5334 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5335 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5336 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5337 endPV += 2; // if position different, keep this
5338 moveList[endPV-1][0] = fromX + AAA;
5339 moveList[endPV-1][1] = fromY + ONE;
5340 moveList[endPV-1][2] = toX + AAA;
5341 moveList[endPV-1][3] = toY + ONE;
5342 parseList[endPV-1][0] = NULLCHAR;
5343 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5346 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5347 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5348 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5349 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5350 valid++; // allow comments in PV
5354 if(endPV+1 > framePtr) break; // no space, truncate
5357 CopyBoard(boards[endPV], boards[endPV-1]);
5358 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5359 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5360 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5361 CoordsToAlgebraic(boards[endPV - 1],
5362 PosFlags(endPV - 1),
5363 fromY, fromX, toY, toX, promoChar,
5364 parseList[endPV - 1]);
5366 if(atEnd == 2) return; // used hidden, for PV conversion
5367 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5368 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5369 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5370 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5371 DrawPosition(TRUE, boards[currentMove]);
5375 MultiPV(ChessProgramState *cps)
5376 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5378 for(i=0; i<cps->nrOptions; i++)
5379 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5385 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5387 int startPV, multi, lineStart, origIndex = index;
5388 char *p, buf2[MSG_SIZ];
5390 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5391 lastX = x; lastY = y;
5392 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5393 lineStart = startPV = index;
5394 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5395 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5397 do{ while(buf[index] && buf[index] != '\n') index++;
5398 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5400 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5401 int n = first.option[multi].value;
5402 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5403 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5404 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5405 first.option[multi].value = n;
5409 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5410 *start = startPV; *end = index-1;
5417 static char buf[10*MSG_SIZ];
5418 int i, k=0, savedEnd=endPV;
5420 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5421 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5422 for(i = forwardMostMove; i<endPV; i++){
5423 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5424 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5427 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5428 if(forwardMostMove < savedEnd) PopInner(0);
5434 LoadPV(int x, int y)
5435 { // called on right mouse click to load PV
5436 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5437 lastX = x; lastY = y;
5438 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5445 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5446 if(endPV < 0) return;
5448 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5449 Boolean saveAnimate = appData.animate;
5451 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5452 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5453 } else storedGames--; // abandon shelved tail of original game
5456 forwardMostMove = currentMove;
5457 currentMove = oldFMM;
5458 appData.animate = FALSE;
5459 ToNrEvent(forwardMostMove);
5460 appData.animate = saveAnimate;
5462 currentMove = forwardMostMove;
5463 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5464 ClearPremoveHighlights();
5465 DrawPosition(TRUE, boards[currentMove]);
5469 MovePV(int x, int y, int h)
5470 { // step through PV based on mouse coordinates (called on mouse move)
5471 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5473 // we must somehow check if right button is still down (might be released off board!)
5474 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5475 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5476 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5478 lastX = x; lastY = y;
5480 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5481 if(endPV < 0) return;
5482 if(y < margin) step = 1; else
5483 if(y > h - margin) step = -1;
5484 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5485 currentMove += step;
5486 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5487 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5488 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5489 DrawPosition(FALSE, boards[currentMove]);
5493 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5494 // All positions will have equal probability, but the current method will not provide a unique
5495 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5501 int piecesLeft[(int)BlackPawn];
5502 int seed, nrOfShuffles;
5504 void GetPositionNumber()
5505 { // sets global variable seed
5508 seed = appData.defaultFrcPosition;
5509 if(seed < 0) { // randomize based on time for negative FRC position numbers
5510 for(i=0; i<50; i++) seed += random();
5511 seed = random() ^ random() >> 8 ^ random() << 8;
5512 if(seed<0) seed = -seed;
5516 int put(Board board, int pieceType, int rank, int n, int shade)
5517 // put the piece on the (n-1)-th empty squares of the given shade
5521 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5522 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5523 board[rank][i] = (ChessSquare) pieceType;
5524 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5526 piecesLeft[pieceType]--;
5534 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5535 // calculate where the next piece goes, (any empty square), and put it there
5539 i = seed % squaresLeft[shade];
5540 nrOfShuffles *= squaresLeft[shade];
5541 seed /= squaresLeft[shade];
5542 put(board, pieceType, rank, i, shade);
5545 void AddTwoPieces(Board board, int pieceType, int rank)
5546 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5548 int i, n=squaresLeft[ANY], j=n-1, k;
5550 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5551 i = seed % k; // pick one
5554 while(i >= j) i -= j--;
5555 j = n - 1 - j; i += j;
5556 put(board, pieceType, rank, j, ANY);
5557 put(board, pieceType, rank, i, ANY);
5560 void SetUpShuffle(Board board, int number)
5564 GetPositionNumber(); nrOfShuffles = 1;
5566 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5567 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5568 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5570 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5572 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5573 p = (int) board[0][i];
5574 if(p < (int) BlackPawn) piecesLeft[p] ++;
5575 board[0][i] = EmptySquare;
5578 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5579 // shuffles restricted to allow normal castling put KRR first
5580 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5581 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5582 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5583 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5584 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5585 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5586 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5587 put(board, WhiteRook, 0, 0, ANY);
5588 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5591 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5592 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5593 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5594 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5595 while(piecesLeft[p] >= 2) {
5596 AddOnePiece(board, p, 0, LITE);
5597 AddOnePiece(board, p, 0, DARK);
5599 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5602 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5603 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5604 // but we leave King and Rooks for last, to possibly obey FRC restriction
5605 if(p == (int)WhiteRook) continue;
5606 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5607 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5610 // now everything is placed, except perhaps King (Unicorn) and Rooks
5612 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5613 // Last King gets castling rights
5614 while(piecesLeft[(int)WhiteUnicorn]) {
5615 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5616 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5619 while(piecesLeft[(int)WhiteKing]) {
5620 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5621 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5626 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5627 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5630 // Only Rooks can be left; simply place them all
5631 while(piecesLeft[(int)WhiteRook]) {
5632 i = put(board, WhiteRook, 0, 0, ANY);
5633 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5636 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5638 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5641 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5642 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5645 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5648 int SetCharTable( char *table, const char * map )
5649 /* [HGM] moved here from winboard.c because of its general usefulness */
5650 /* Basically a safe strcpy that uses the last character as King */
5652 int result = FALSE; int NrPieces;
5654 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5655 && NrPieces >= 12 && !(NrPieces&1)) {
5656 int i; /* [HGM] Accept even length from 12 to 34 */
5658 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5659 for( i=0; i<NrPieces/2-1; i++ ) {
5661 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5663 table[(int) WhiteKing] = map[NrPieces/2-1];
5664 table[(int) BlackKing] = map[NrPieces-1];
5672 void Prelude(Board board)
5673 { // [HGM] superchess: random selection of exo-pieces
5674 int i, j, k; ChessSquare p;
5675 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5677 GetPositionNumber(); // use FRC position number
5679 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5680 SetCharTable(pieceToChar, appData.pieceToCharTable);
5681 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5682 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5685 j = seed%4; seed /= 4;
5686 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5687 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5688 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5689 j = seed%3 + (seed%3 >= j); seed /= 3;
5690 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5691 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5692 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5693 j = seed%3; seed /= 3;
5694 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5695 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5696 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5697 j = seed%2 + (seed%2 >= j); seed /= 2;
5698 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5699 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5700 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5701 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5702 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5703 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5704 put(board, exoPieces[0], 0, 0, ANY);
5705 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5709 InitPosition(redraw)
5712 ChessSquare (* pieces)[BOARD_FILES];
5713 int i, j, pawnRow, overrule,
5714 oldx = gameInfo.boardWidth,
5715 oldy = gameInfo.boardHeight,
5716 oldh = gameInfo.holdingsWidth;
5719 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5721 /* [AS] Initialize pv info list [HGM] and game status */
5723 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5724 pvInfoList[i].depth = 0;
5725 boards[i][EP_STATUS] = EP_NONE;
5726 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5729 initialRulePlies = 0; /* 50-move counter start */
5731 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5732 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5736 /* [HGM] logic here is completely changed. In stead of full positions */
5737 /* the initialized data only consist of the two backranks. The switch */
5738 /* selects which one we will use, which is than copied to the Board */
5739 /* initialPosition, which for the rest is initialized by Pawns and */
5740 /* empty squares. This initial position is then copied to boards[0], */
5741 /* possibly after shuffling, so that it remains available. */
5743 gameInfo.holdingsWidth = 0; /* default board sizes */
5744 gameInfo.boardWidth = 8;
5745 gameInfo.boardHeight = 8;
5746 gameInfo.holdingsSize = 0;
5747 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5748 for(i=0; i<BOARD_FILES-2; i++)
5749 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5750 initialPosition[EP_STATUS] = EP_NONE;
5751 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5752 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5753 SetCharTable(pieceNickName, appData.pieceNickNames);
5754 else SetCharTable(pieceNickName, "............");
5757 switch (gameInfo.variant) {
5758 case VariantFischeRandom:
5759 shuffleOpenings = TRUE;
5762 case VariantShatranj:
5763 pieces = ShatranjArray;
5764 nrCastlingRights = 0;
5765 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5768 pieces = makrukArray;
5769 nrCastlingRights = 0;
5770 startedFromSetupPosition = TRUE;
5771 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5773 case VariantTwoKings:
5774 pieces = twoKingsArray;
5777 pieces = GrandArray;
5778 nrCastlingRights = 0;
5779 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5780 gameInfo.boardWidth = 10;
5781 gameInfo.boardHeight = 10;
5782 gameInfo.holdingsSize = 7;
5784 case VariantCapaRandom:
5785 shuffleOpenings = TRUE;
5786 case VariantCapablanca:
5787 pieces = CapablancaArray;
5788 gameInfo.boardWidth = 10;
5789 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5792 pieces = GothicArray;
5793 gameInfo.boardWidth = 10;
5794 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5797 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5798 gameInfo.holdingsSize = 7;
5801 pieces = JanusArray;
5802 gameInfo.boardWidth = 10;
5803 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5804 nrCastlingRights = 6;
5805 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5806 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5807 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5808 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5809 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5810 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5813 pieces = FalconArray;
5814 gameInfo.boardWidth = 10;
5815 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5817 case VariantXiangqi:
5818 pieces = XiangqiArray;
5819 gameInfo.boardWidth = 9;
5820 gameInfo.boardHeight = 10;
5821 nrCastlingRights = 0;
5822 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5825 pieces = ShogiArray;
5826 gameInfo.boardWidth = 9;
5827 gameInfo.boardHeight = 9;
5828 gameInfo.holdingsSize = 7;
5829 nrCastlingRights = 0;
5830 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5832 case VariantCourier:
5833 pieces = CourierArray;
5834 gameInfo.boardWidth = 12;
5835 nrCastlingRights = 0;
5836 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5838 case VariantKnightmate:
5839 pieces = KnightmateArray;
5840 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5842 case VariantSpartan:
5843 pieces = SpartanArray;
5844 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5847 pieces = fairyArray;
5848 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5851 pieces = GreatArray;
5852 gameInfo.boardWidth = 10;
5853 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5854 gameInfo.holdingsSize = 8;
5858 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5859 gameInfo.holdingsSize = 8;
5860 startedFromSetupPosition = TRUE;
5862 case VariantCrazyhouse:
5863 case VariantBughouse:
5865 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5866 gameInfo.holdingsSize = 5;
5868 case VariantWildCastle:
5870 /* !!?shuffle with kings guaranteed to be on d or e file */
5871 shuffleOpenings = 1;
5873 case VariantNoCastle:
5875 nrCastlingRights = 0;
5876 /* !!?unconstrained back-rank shuffle */
5877 shuffleOpenings = 1;
5882 if(appData.NrFiles >= 0) {
5883 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5884 gameInfo.boardWidth = appData.NrFiles;
5886 if(appData.NrRanks >= 0) {
5887 gameInfo.boardHeight = appData.NrRanks;
5889 if(appData.holdingsSize >= 0) {
5890 i = appData.holdingsSize;
5891 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5892 gameInfo.holdingsSize = i;
5894 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5895 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5896 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5898 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5899 if(pawnRow < 1) pawnRow = 1;
5900 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5902 /* User pieceToChar list overrules defaults */
5903 if(appData.pieceToCharTable != NULL)
5904 SetCharTable(pieceToChar, appData.pieceToCharTable);
5906 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5908 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5909 s = (ChessSquare) 0; /* account holding counts in guard band */
5910 for( i=0; i<BOARD_HEIGHT; i++ )
5911 initialPosition[i][j] = s;
5913 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5914 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5915 initialPosition[pawnRow][j] = WhitePawn;
5916 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5917 if(gameInfo.variant == VariantXiangqi) {
5919 initialPosition[pawnRow][j] =
5920 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5921 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5922 initialPosition[2][j] = WhiteCannon;
5923 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5927 if(gameInfo.variant == VariantGrand) {
5928 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5929 initialPosition[0][j] = WhiteRook;
5930 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5933 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5935 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5938 initialPosition[1][j] = WhiteBishop;
5939 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5941 initialPosition[1][j] = WhiteRook;
5942 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5945 if( nrCastlingRights == -1) {
5946 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5947 /* This sets default castling rights from none to normal corners */
5948 /* Variants with other castling rights must set them themselves above */
5949 nrCastlingRights = 6;
5951 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5952 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5953 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5954 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5955 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5956 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5959 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5960 if(gameInfo.variant == VariantGreat) { // promotion commoners
5961 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5962 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5963 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5964 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5966 if( gameInfo.variant == VariantSChess ) {
5967 initialPosition[1][0] = BlackMarshall;
5968 initialPosition[2][0] = BlackAngel;
5969 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5970 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5971 initialPosition[1][1] = initialPosition[2][1] =
5972 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5974 if (appData.debugMode) {
5975 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5977 if(shuffleOpenings) {
5978 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5979 startedFromSetupPosition = TRUE;
5981 if(startedFromPositionFile) {
5982 /* [HGM] loadPos: use PositionFile for every new game */
5983 CopyBoard(initialPosition, filePosition);
5984 for(i=0; i<nrCastlingRights; i++)
5985 initialRights[i] = filePosition[CASTLING][i];
5986 startedFromSetupPosition = TRUE;
5989 CopyBoard(boards[0], initialPosition);
5991 if(oldx != gameInfo.boardWidth ||
5992 oldy != gameInfo.boardHeight ||
5993 oldv != gameInfo.variant ||
5994 oldh != gameInfo.holdingsWidth
5996 InitDrawingSizes(-2 ,0);
5998 oldv = gameInfo.variant;
6000 DrawPosition(TRUE, boards[currentMove]);
6004 SendBoard(cps, moveNum)
6005 ChessProgramState *cps;
6008 char message[MSG_SIZ];
6010 if (cps->useSetboard) {
6011 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6012 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6013 SendToProgram(message, cps);
6019 /* Kludge to set black to move, avoiding the troublesome and now
6020 * deprecated "black" command.
6022 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6023 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6025 SendToProgram("edit\n", cps);
6026 SendToProgram("#\n", cps);
6027 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6028 bp = &boards[moveNum][i][BOARD_LEFT];
6029 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6030 if ((int) *bp < (int) BlackPawn) {
6031 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6033 if(message[0] == '+' || message[0] == '~') {
6034 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6035 PieceToChar((ChessSquare)(DEMOTED *bp)),
6038 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6039 message[1] = BOARD_RGHT - 1 - j + '1';
6040 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6042 SendToProgram(message, cps);
6047 SendToProgram("c\n", cps);
6048 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6049 bp = &boards[moveNum][i][BOARD_LEFT];
6050 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6051 if (((int) *bp != (int) EmptySquare)
6052 && ((int) *bp >= (int) BlackPawn)) {
6053 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6055 if(message[0] == '+' || message[0] == '~') {
6056 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6057 PieceToChar((ChessSquare)(DEMOTED *bp)),
6060 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6061 message[1] = BOARD_RGHT - 1 - j + '1';
6062 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6064 SendToProgram(message, cps);
6069 SendToProgram(".\n", cps);
6071 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6075 DefaultPromoChoice(int white)
6078 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6079 result = WhiteFerz; // no choice
6080 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6081 result= WhiteKing; // in Suicide Q is the last thing we want
6082 else if(gameInfo.variant == VariantSpartan)
6083 result = white ? WhiteQueen : WhiteAngel;
6084 else result = WhiteQueen;
6085 if(!white) result = WHITE_TO_BLACK result;
6089 static int autoQueen; // [HGM] oneclick
6092 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6094 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6095 /* [HGM] add Shogi promotions */
6096 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6101 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6102 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6104 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6105 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6108 piece = boards[currentMove][fromY][fromX];
6109 if(gameInfo.variant == VariantShogi) {
6110 promotionZoneSize = BOARD_HEIGHT/3;
6111 highestPromotingPiece = (int)WhiteFerz;
6112 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6113 promotionZoneSize = 3;
6116 // Treat Lance as Pawn when it is not representing Amazon
6117 if(gameInfo.variant != VariantSuper) {
6118 if(piece == WhiteLance) piece = WhitePawn; else
6119 if(piece == BlackLance) piece = BlackPawn;
6122 // next weed out all moves that do not touch the promotion zone at all
6123 if((int)piece >= BlackPawn) {
6124 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6126 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6128 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6129 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6132 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6134 // weed out mandatory Shogi promotions
6135 if(gameInfo.variant == VariantShogi) {
6136 if(piece >= BlackPawn) {
6137 if(toY == 0 && piece == BlackPawn ||
6138 toY == 0 && piece == BlackQueen ||
6139 toY <= 1 && piece == BlackKnight) {
6144 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6145 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6146 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6153 // weed out obviously illegal Pawn moves
6154 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6155 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6156 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6157 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6158 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6159 // note we are not allowed to test for valid (non-)capture, due to premove
6162 // we either have a choice what to promote to, or (in Shogi) whether to promote
6163 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6164 *promoChoice = PieceToChar(BlackFerz); // no choice
6167 // no sense asking what we must promote to if it is going to explode...
6168 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6169 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6172 // give caller the default choice even if we will not make it
6173 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6174 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6175 if( sweepSelect && gameInfo.variant != VariantGreat
6176 && gameInfo.variant != VariantGrand
6177 && gameInfo.variant != VariantSuper) return FALSE;
6178 if(autoQueen) return FALSE; // predetermined
6180 // suppress promotion popup on illegal moves that are not premoves
6181 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6182 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6183 if(appData.testLegality && !premove) {
6184 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6185 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6186 if(moveType != WhitePromotion && moveType != BlackPromotion)
6194 InPalace(row, column)
6196 { /* [HGM] for Xiangqi */
6197 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6198 column < (BOARD_WIDTH + 4)/2 &&
6199 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6204 PieceForSquare (x, y)
6208 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6211 return boards[currentMove][y][x];
6215 OKToStartUserMove(x, y)
6218 ChessSquare from_piece;
6221 if (matchMode) return FALSE;
6222 if (gameMode == EditPosition) return TRUE;
6224 if (x >= 0 && y >= 0)
6225 from_piece = boards[currentMove][y][x];
6227 from_piece = EmptySquare;
6229 if (from_piece == EmptySquare) return FALSE;
6231 white_piece = (int)from_piece >= (int)WhitePawn &&
6232 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6236 case TwoMachinesPlay:
6244 case MachinePlaysWhite:
6245 case IcsPlayingBlack:
6246 if (appData.zippyPlay) return FALSE;
6248 DisplayMoveError(_("You are playing Black"));
6253 case MachinePlaysBlack:
6254 case IcsPlayingWhite:
6255 if (appData.zippyPlay) return FALSE;
6257 DisplayMoveError(_("You are playing White"));
6262 case PlayFromGameFile:
6263 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6265 if (!white_piece && WhiteOnMove(currentMove)) {
6266 DisplayMoveError(_("It is White's turn"));
6269 if (white_piece && !WhiteOnMove(currentMove)) {
6270 DisplayMoveError(_("It is Black's turn"));
6273 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6274 /* Editing correspondence game history */
6275 /* Could disallow this or prompt for confirmation */
6280 case BeginningOfGame:
6281 if (appData.icsActive) return FALSE;
6282 if (!appData.noChessProgram) {
6284 DisplayMoveError(_("You are playing White"));
6291 if (!white_piece && WhiteOnMove(currentMove)) {
6292 DisplayMoveError(_("It is White's turn"));
6295 if (white_piece && !WhiteOnMove(currentMove)) {
6296 DisplayMoveError(_("It is Black's turn"));
6305 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6306 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6307 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6308 && gameMode != AnalyzeFile && gameMode != Training) {
6309 DisplayMoveError(_("Displayed position is not current"));
6316 OnlyMove(int *x, int *y, Boolean captures) {
6317 DisambiguateClosure cl;
6318 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6320 case MachinePlaysBlack:
6321 case IcsPlayingWhite:
6322 case BeginningOfGame:
6323 if(!WhiteOnMove(currentMove)) return FALSE;
6325 case MachinePlaysWhite:
6326 case IcsPlayingBlack:
6327 if(WhiteOnMove(currentMove)) return FALSE;
6334 cl.pieceIn = EmptySquare;
6339 cl.promoCharIn = NULLCHAR;
6340 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6341 if( cl.kind == NormalMove ||
6342 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6343 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6344 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6351 if(cl.kind != ImpossibleMove) return FALSE;
6352 cl.pieceIn = EmptySquare;
6357 cl.promoCharIn = NULLCHAR;
6358 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6359 if( cl.kind == NormalMove ||
6360 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6361 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6362 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6367 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6373 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6374 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6375 int lastLoadGameUseList = FALSE;
6376 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6377 ChessMove lastLoadGameStart = EndOfFile;
6380 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6381 int fromX, fromY, toX, toY;
6385 ChessSquare pdown, pup;
6387 /* Check if the user is playing in turn. This is complicated because we
6388 let the user "pick up" a piece before it is his turn. So the piece he
6389 tried to pick up may have been captured by the time he puts it down!
6390 Therefore we use the color the user is supposed to be playing in this
6391 test, not the color of the piece that is currently on the starting
6392 square---except in EditGame mode, where the user is playing both
6393 sides; fortunately there the capture race can't happen. (It can
6394 now happen in IcsExamining mode, but that's just too bad. The user
6395 will get a somewhat confusing message in that case.)
6400 case TwoMachinesPlay:
6404 /* We switched into a game mode where moves are not accepted,
6405 perhaps while the mouse button was down. */
6408 case MachinePlaysWhite:
6409 /* User is moving for Black */
6410 if (WhiteOnMove(currentMove)) {
6411 DisplayMoveError(_("It is White's turn"));
6416 case MachinePlaysBlack:
6417 /* User is moving for White */
6418 if (!WhiteOnMove(currentMove)) {
6419 DisplayMoveError(_("It is Black's turn"));
6424 case PlayFromGameFile:
6425 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6428 case BeginningOfGame:
6431 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6432 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6433 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6434 /* User is moving for Black */
6435 if (WhiteOnMove(currentMove)) {
6436 DisplayMoveError(_("It is White's turn"));
6440 /* User is moving for White */
6441 if (!WhiteOnMove(currentMove)) {
6442 DisplayMoveError(_("It is Black's turn"));
6448 case IcsPlayingBlack:
6449 /* User is moving for Black */
6450 if (WhiteOnMove(currentMove)) {
6451 if (!appData.premove) {
6452 DisplayMoveError(_("It is White's turn"));
6453 } else if (toX >= 0 && toY >= 0) {
6456 premoveFromX = fromX;
6457 premoveFromY = fromY;
6458 premovePromoChar = promoChar;
6460 if (appData.debugMode)
6461 fprintf(debugFP, "Got premove: fromX %d,"
6462 "fromY %d, toX %d, toY %d\n",
6463 fromX, fromY, toX, toY);
6469 case IcsPlayingWhite:
6470 /* User is moving for White */
6471 if (!WhiteOnMove(currentMove)) {
6472 if (!appData.premove) {
6473 DisplayMoveError(_("It is Black's turn"));
6474 } else if (toX >= 0 && toY >= 0) {
6477 premoveFromX = fromX;
6478 premoveFromY = fromY;
6479 premovePromoChar = promoChar;
6481 if (appData.debugMode)
6482 fprintf(debugFP, "Got premove: fromX %d,"
6483 "fromY %d, toX %d, toY %d\n",
6484 fromX, fromY, toX, toY);
6494 /* EditPosition, empty square, or different color piece;
6495 click-click move is possible */
6496 if (toX == -2 || toY == -2) {
6497 boards[0][fromY][fromX] = EmptySquare;
6498 DrawPosition(FALSE, boards[currentMove]);
6500 } else if (toX >= 0 && toY >= 0) {
6501 boards[0][toY][toX] = boards[0][fromY][fromX];
6502 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6503 if(boards[0][fromY][0] != EmptySquare) {
6504 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6505 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6508 if(fromX == BOARD_RGHT+1) {
6509 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6510 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6511 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6514 boards[0][fromY][fromX] = EmptySquare;
6515 DrawPosition(FALSE, boards[currentMove]);
6521 if(toX < 0 || toY < 0) return;
6522 pdown = boards[currentMove][fromY][fromX];
6523 pup = boards[currentMove][toY][toX];
6525 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6526 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6527 if( pup != EmptySquare ) return;
6528 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6529 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6530 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6531 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6532 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6533 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6534 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6538 /* [HGM] always test for legality, to get promotion info */
6539 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6540 fromY, fromX, toY, toX, promoChar);
6542 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6544 /* [HGM] but possibly ignore an IllegalMove result */
6545 if (appData.testLegality) {
6546 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6547 DisplayMoveError(_("Illegal move"));
6552 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6555 /* Common tail of UserMoveEvent and DropMenuEvent */
6557 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6559 int fromX, fromY, toX, toY;
6560 /*char*/int promoChar;
6564 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6565 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6566 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6567 if(WhiteOnMove(currentMove)) {
6568 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6570 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6574 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6575 move type in caller when we know the move is a legal promotion */
6576 if(moveType == NormalMove && promoChar)
6577 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6579 /* [HGM] <popupFix> The following if has been moved here from
6580 UserMoveEvent(). Because it seemed to belong here (why not allow
6581 piece drops in training games?), and because it can only be
6582 performed after it is known to what we promote. */
6583 if (gameMode == Training) {
6584 /* compare the move played on the board to the next move in the
6585 * game. If they match, display the move and the opponent's response.
6586 * If they don't match, display an error message.
6590 CopyBoard(testBoard, boards[currentMove]);
6591 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6593 if (CompareBoards(testBoard, boards[currentMove+1])) {
6594 ForwardInner(currentMove+1);
6596 /* Autoplay the opponent's response.
6597 * if appData.animate was TRUE when Training mode was entered,
6598 * the response will be animated.
6600 saveAnimate = appData.animate;
6601 appData.animate = animateTraining;
6602 ForwardInner(currentMove+1);
6603 appData.animate = saveAnimate;
6605 /* check for the end of the game */
6606 if (currentMove >= forwardMostMove) {
6607 gameMode = PlayFromGameFile;
6609 SetTrainingModeOff();
6610 DisplayInformation(_("End of game"));
6613 DisplayError(_("Incorrect move"), 0);
6618 /* Ok, now we know that the move is good, so we can kill
6619 the previous line in Analysis Mode */
6620 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6621 && currentMove < forwardMostMove) {
6622 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6623 else forwardMostMove = currentMove;
6626 /* If we need the chess program but it's dead, restart it */
6627 ResurrectChessProgram();
6629 /* A user move restarts a paused game*/
6633 thinkOutput[0] = NULLCHAR;
6635 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6637 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6638 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6642 if (gameMode == BeginningOfGame) {
6643 if (appData.noChessProgram) {
6644 gameMode = EditGame;
6648 gameMode = MachinePlaysBlack;
6651 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6653 if (first.sendName) {
6654 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6655 SendToProgram(buf, &first);
6662 /* Relay move to ICS or chess engine */
6663 if (appData.icsActive) {
6664 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6665 gameMode == IcsExamining) {
6666 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6667 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6669 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6671 // also send plain move, in case ICS does not understand atomic claims
6672 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6676 if (first.sendTime && (gameMode == BeginningOfGame ||
6677 gameMode == MachinePlaysWhite ||
6678 gameMode == MachinePlaysBlack)) {
6679 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6681 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6682 // [HGM] book: if program might be playing, let it use book
6683 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6684 first.maybeThinking = TRUE;
6685 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6686 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6687 SendBoard(&first, currentMove+1);
6688 } else SendMoveToProgram(forwardMostMove-1, &first);
6689 if (currentMove == cmailOldMove + 1) {
6690 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6694 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6698 if(appData.testLegality)
6699 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6705 if (WhiteOnMove(currentMove)) {
6706 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6708 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6712 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6717 case MachinePlaysBlack:
6718 case MachinePlaysWhite:
6719 /* disable certain menu options while machine is thinking */
6720 SetMachineThinkingEnables();
6727 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6728 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6730 if(bookHit) { // [HGM] book: simulate book reply
6731 static char bookMove[MSG_SIZ]; // a bit generous?
6733 programStats.nodes = programStats.depth = programStats.time =
6734 programStats.score = programStats.got_only_move = 0;
6735 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6737 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6738 strcat(bookMove, bookHit);
6739 HandleMachineMove(bookMove, &first);
6745 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6752 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6753 Markers *m = (Markers *) closure;
6754 if(rf == fromY && ff == fromX)
6755 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6756 || kind == WhiteCapturesEnPassant
6757 || kind == BlackCapturesEnPassant);
6758 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6762 MarkTargetSquares(int clear)
6765 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6766 !appData.testLegality || gameMode == EditPosition) return;
6768 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6771 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6772 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6773 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6775 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6778 DrawPosition(TRUE, NULL);
6782 Explode(Board board, int fromX, int fromY, int toX, int toY)
6784 if(gameInfo.variant == VariantAtomic &&
6785 (board[toY][toX] != EmptySquare || // capture?
6786 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6787 board[fromY][fromX] == BlackPawn )
6789 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6795 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6797 int CanPromote(ChessSquare piece, int y)
6799 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6800 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6801 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6802 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6803 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6804 gameInfo.variant == VariantMakruk) return FALSE;
6805 return (piece == BlackPawn && y == 1 ||
6806 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6807 piece == BlackLance && y == 1 ||
6808 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6811 void LeftClick(ClickType clickType, int xPix, int yPix)
6814 Boolean saveAnimate;
6815 static int second = 0, promotionChoice = 0, clearFlag = 0;
6816 char promoChoice = NULLCHAR;
6819 if(appData.seekGraph && appData.icsActive && loggedOn &&
6820 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6821 SeekGraphClick(clickType, xPix, yPix, 0);
6825 if (clickType == Press) ErrorPopDown();
6827 x = EventToSquare(xPix, BOARD_WIDTH);
6828 y = EventToSquare(yPix, BOARD_HEIGHT);
6829 if (!flipView && y >= 0) {
6830 y = BOARD_HEIGHT - 1 - y;
6832 if (flipView && x >= 0) {
6833 x = BOARD_WIDTH - 1 - x;
6836 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6837 defaultPromoChoice = promoSweep;
6838 promoSweep = EmptySquare; // terminate sweep
6839 promoDefaultAltered = TRUE;
6840 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6843 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6844 if(clickType == Release) return; // ignore upclick of click-click destination
6845 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6846 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6847 if(gameInfo.holdingsWidth &&
6848 (WhiteOnMove(currentMove)
6849 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6850 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6851 // click in right holdings, for determining promotion piece
6852 ChessSquare p = boards[currentMove][y][x];
6853 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6854 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6855 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6856 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6861 DrawPosition(FALSE, boards[currentMove]);
6865 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6866 if(clickType == Press
6867 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6868 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6869 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6872 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6873 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6875 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6876 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6877 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6878 defaultPromoChoice = DefaultPromoChoice(side);
6881 autoQueen = appData.alwaysPromoteToQueen;
6885 gatingPiece = EmptySquare;
6886 if (clickType != Press) {
6887 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6888 DragPieceEnd(xPix, yPix); dragging = 0;
6889 DrawPosition(FALSE, NULL);
6893 fromX = x; fromY = y; toX = toY = -1;
6894 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6895 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6896 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6898 if (OKToStartUserMove(fromX, fromY)) {
6900 MarkTargetSquares(0);
6901 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6902 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6903 promoSweep = defaultPromoChoice;
6904 selectFlag = 0; lastX = xPix; lastY = yPix;
6905 Sweep(0); // Pawn that is going to promote: preview promotion piece
6906 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6908 if (appData.highlightDragging) {
6909 SetHighlights(fromX, fromY, -1, -1);
6911 } else fromX = fromY = -1;
6917 if (clickType == Press && gameMode != EditPosition) {
6922 // ignore off-board to clicks
6923 if(y < 0 || x < 0) return;
6925 /* Check if clicking again on the same color piece */
6926 fromP = boards[currentMove][fromY][fromX];
6927 toP = boards[currentMove][y][x];
6928 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6929 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6930 WhitePawn <= toP && toP <= WhiteKing &&
6931 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6932 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6933 (BlackPawn <= fromP && fromP <= BlackKing &&
6934 BlackPawn <= toP && toP <= BlackKing &&
6935 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6936 !(fromP == BlackKing && toP == BlackRook && frc))) {
6937 /* Clicked again on same color piece -- changed his mind */
6938 second = (x == fromX && y == fromY);
6939 promoDefaultAltered = FALSE;
6940 MarkTargetSquares(1);
6941 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6942 if (appData.highlightDragging) {
6943 SetHighlights(x, y, -1, -1);
6947 if (OKToStartUserMove(x, y)) {
6948 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6949 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6950 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6951 gatingPiece = boards[currentMove][fromY][fromX];
6952 else gatingPiece = EmptySquare;
6954 fromY = y; dragging = 1;
6955 MarkTargetSquares(0);
6956 DragPieceBegin(xPix, yPix, FALSE);
6957 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6958 promoSweep = defaultPromoChoice;
6959 selectFlag = 0; lastX = xPix; lastY = yPix;
6960 Sweep(0); // Pawn that is going to promote: preview promotion piece
6964 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6967 // ignore clicks on holdings
6968 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6971 if (clickType == Release && x == fromX && y == fromY) {
6972 DragPieceEnd(xPix, yPix); dragging = 0;
6974 // a deferred attempt to click-click move an empty square on top of a piece
6975 boards[currentMove][y][x] = EmptySquare;
6977 DrawPosition(FALSE, boards[currentMove]);
6978 fromX = fromY = -1; clearFlag = 0;
6981 if (appData.animateDragging) {
6982 /* Undo animation damage if any */
6983 DrawPosition(FALSE, NULL);
6986 /* Second up/down in same square; just abort move */
6989 gatingPiece = EmptySquare;
6992 ClearPremoveHighlights();
6994 /* First upclick in same square; start click-click mode */
6995 SetHighlights(x, y, -1, -1);
7002 /* we now have a different from- and (possibly off-board) to-square */
7003 /* Completed move */
7006 saveAnimate = appData.animate;
7007 MarkTargetSquares(1);
7008 if (clickType == Press) {
7009 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7010 // must be Edit Position mode with empty-square selected
7011 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7012 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7015 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7016 ChessSquare piece = boards[currentMove][fromY][fromX];
7017 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7018 promoSweep = defaultPromoChoice;
7019 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7020 selectFlag = 0; lastX = xPix; lastY = yPix;
7021 Sweep(0); // Pawn that is going to promote: preview promotion piece
7022 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7023 DrawPosition(FALSE, boards[currentMove]);
7026 /* Finish clickclick move */
7027 if (appData.animate || appData.highlightLastMove) {
7028 SetHighlights(fromX, fromY, toX, toY);
7033 /* Finish drag move */
7034 if (appData.highlightLastMove) {
7035 SetHighlights(fromX, fromY, toX, toY);
7039 DragPieceEnd(xPix, yPix); dragging = 0;
7040 /* Don't animate move and drag both */
7041 appData.animate = FALSE;
7044 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7045 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7046 ChessSquare piece = boards[currentMove][fromY][fromX];
7047 if(gameMode == EditPosition && piece != EmptySquare &&
7048 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7051 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7052 n = PieceToNumber(piece - (int)BlackPawn);
7053 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7054 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7055 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7057 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7058 n = PieceToNumber(piece);
7059 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7060 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7061 boards[currentMove][n][BOARD_WIDTH-2]++;
7063 boards[currentMove][fromY][fromX] = EmptySquare;
7067 DrawPosition(TRUE, boards[currentMove]);
7071 // off-board moves should not be highlighted
7072 if(x < 0 || y < 0) ClearHighlights();
7074 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7076 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7077 SetHighlights(fromX, fromY, toX, toY);
7078 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7079 // [HGM] super: promotion to captured piece selected from holdings
7080 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7081 promotionChoice = TRUE;
7082 // kludge follows to temporarily execute move on display, without promoting yet
7083 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7084 boards[currentMove][toY][toX] = p;
7085 DrawPosition(FALSE, boards[currentMove]);
7086 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7087 boards[currentMove][toY][toX] = q;
7088 DisplayMessage("Click in holdings to choose piece", "");
7093 int oldMove = currentMove;
7094 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7095 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7096 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7097 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7098 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7099 DrawPosition(TRUE, boards[currentMove]);
7102 appData.animate = saveAnimate;
7103 if (appData.animate || appData.animateDragging) {
7104 /* Undo animation damage if needed */
7105 DrawPosition(FALSE, NULL);
7109 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7110 { // front-end-free part taken out of PieceMenuPopup
7111 int whichMenu; int xSqr, ySqr;
7113 if(seekGraphUp) { // [HGM] seekgraph
7114 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7115 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7119 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7120 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7121 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7122 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7123 if(action == Press) {
7124 originalFlip = flipView;
7125 flipView = !flipView; // temporarily flip board to see game from partners perspective
7126 DrawPosition(TRUE, partnerBoard);
7127 DisplayMessage(partnerStatus, "");
7129 } else if(action == Release) {
7130 flipView = originalFlip;
7131 DrawPosition(TRUE, boards[currentMove]);
7137 xSqr = EventToSquare(x, BOARD_WIDTH);
7138 ySqr = EventToSquare(y, BOARD_HEIGHT);
7139 if (action == Release) {
7140 if(pieceSweep != EmptySquare) {
7141 EditPositionMenuEvent(pieceSweep, toX, toY);
7142 pieceSweep = EmptySquare;
7143 } else UnLoadPV(); // [HGM] pv
7145 if (action != Press) return -2; // return code to be ignored
7148 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7150 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7151 if (xSqr < 0 || ySqr < 0) return -1;
7152 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7153 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7154 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7155 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7159 if(!appData.icsEngineAnalyze) return -1;
7160 case IcsPlayingWhite:
7161 case IcsPlayingBlack:
7162 if(!appData.zippyPlay) goto noZip;
7165 case MachinePlaysWhite:
7166 case MachinePlaysBlack:
7167 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7168 if (!appData.dropMenu) {
7170 return 2; // flag front-end to grab mouse events
7172 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7173 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7176 if (xSqr < 0 || ySqr < 0) return -1;
7177 if (!appData.dropMenu || appData.testLegality &&
7178 gameInfo.variant != VariantBughouse &&
7179 gameInfo.variant != VariantCrazyhouse) return -1;
7180 whichMenu = 1; // drop menu
7186 if (((*fromX = xSqr) < 0) ||
7187 ((*fromY = ySqr) < 0)) {
7188 *fromX = *fromY = -1;
7192 *fromX = BOARD_WIDTH - 1 - *fromX;
7194 *fromY = BOARD_HEIGHT - 1 - *fromY;
7199 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7201 // char * hint = lastHint;
7202 FrontEndProgramStats stats;
7204 stats.which = cps == &first ? 0 : 1;
7205 stats.depth = cpstats->depth;
7206 stats.nodes = cpstats->nodes;
7207 stats.score = cpstats->score;
7208 stats.time = cpstats->time;
7209 stats.pv = cpstats->movelist;
7210 stats.hint = lastHint;
7211 stats.an_move_index = 0;
7212 stats.an_move_count = 0;
7214 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7215 stats.hint = cpstats->move_name;
7216 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7217 stats.an_move_count = cpstats->nr_moves;
7220 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
7222 SetProgramStats( &stats );
7226 ClearEngineOutputPane(int which)
7228 static FrontEndProgramStats dummyStats;
7229 dummyStats.which = which;
7230 dummyStats.pv = "#";
7231 SetProgramStats( &dummyStats );
7234 #define MAXPLAYERS 500
7237 TourneyStandings(int display)
7239 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7240 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7241 char result, *p, *names[MAXPLAYERS];
7243 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7244 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7245 names[0] = p = strdup(appData.participants);
7246 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7248 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7250 while(result = appData.results[nr]) {
7251 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7252 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7253 wScore = bScore = 0;
7255 case '+': wScore = 2; break;
7256 case '-': bScore = 2; break;
7257 case '=': wScore = bScore = 1; break;
7259 case '*': return strdup("busy"); // tourney not finished
7267 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7268 for(w=0; w<nPlayers; w++) {
7270 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7271 ranking[w] = b; points[w] = bScore; score[b] = -2;
7273 p = malloc(nPlayers*34+1);
7274 for(w=0; w<nPlayers && w<display; w++)
7275 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7281 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7282 { // count all piece types
7284 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7285 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7286 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7289 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7290 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7291 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7292 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7293 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7294 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7299 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7301 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7302 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7304 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7305 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7306 if(myPawns == 2 && nMine == 3) // KPP
7307 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7308 if(myPawns == 1 && nMine == 2) // KP
7309 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7310 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7311 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7312 if(myPawns) return FALSE;
7313 if(pCnt[WhiteRook+side])
7314 return pCnt[BlackRook-side] ||
7315 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7316 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7317 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7318 if(pCnt[WhiteCannon+side]) {
7319 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7320 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7322 if(pCnt[WhiteKnight+side])
7323 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7328 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7330 VariantClass v = gameInfo.variant;
7332 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7333 if(v == VariantShatranj) return TRUE; // always winnable through baring
7334 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7335 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7337 if(v == VariantXiangqi) {
7338 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7340 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7341 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7342 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7343 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7344 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7345 if(stale) // we have at least one last-rank P plus perhaps C
7346 return majors // KPKX
7347 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7349 return pCnt[WhiteFerz+side] // KCAK
7350 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7351 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7352 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7354 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7355 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7357 if(nMine == 1) return FALSE; // bare King
7358 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
7359 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7360 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7361 // by now we have King + 1 piece (or multiple Bishops on the same color)
7362 if(pCnt[WhiteKnight+side])
7363 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7364 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7365 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7367 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7368 if(pCnt[WhiteAlfil+side])
7369 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7370 if(pCnt[WhiteWazir+side])
7371 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7378 CompareWithRights(Board b1, Board b2)
7381 if(!CompareBoards(b1, b2)) return FALSE;
7382 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7383 /* compare castling rights */
7384 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7385 rights++; /* King lost rights, while rook still had them */
7386 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7387 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7388 rights++; /* but at least one rook lost them */
7390 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7392 if( b1[CASTLING][5] != NoRights ) {
7393 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7400 Adjudicate(ChessProgramState *cps)
7401 { // [HGM] some adjudications useful with buggy engines
7402 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7403 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7404 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7405 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7406 int k, count = 0; static int bare = 1;
7407 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7408 Boolean canAdjudicate = !appData.icsActive;
7410 // most tests only when we understand the game, i.e. legality-checking on
7411 if( appData.testLegality )
7412 { /* [HGM] Some more adjudications for obstinate engines */
7413 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7414 static int moveCount = 6;
7416 char *reason = NULL;
7418 /* Count what is on board. */
7419 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7421 /* Some material-based adjudications that have to be made before stalemate test */
7422 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7423 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7424 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7425 if(canAdjudicate && appData.checkMates) {
7427 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7428 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7429 "Xboard adjudication: King destroyed", GE_XBOARD );
7434 /* Bare King in Shatranj (loses) or Losers (wins) */
7435 if( nrW == 1 || nrB == 1) {
7436 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7437 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7438 if(canAdjudicate && appData.checkMates) {
7440 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7441 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7442 "Xboard adjudication: Bare king", GE_XBOARD );
7446 if( gameInfo.variant == VariantShatranj && --bare < 0)
7448 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7449 if(canAdjudicate && appData.checkMates) {
7450 /* but only adjudicate if adjudication enabled */
7452 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7453 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7454 "Xboard adjudication: Bare king", GE_XBOARD );
7461 // don't wait for engine to announce game end if we can judge ourselves
7462 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7464 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7465 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7466 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7467 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7470 reason = "Xboard adjudication: 3rd check";
7471 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7481 reason = "Xboard adjudication: Stalemate";
7482 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7483 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7484 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7485 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7486 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7487 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7488 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7489 EP_CHECKMATE : EP_WINS);
7490 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7491 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7495 reason = "Xboard adjudication: Checkmate";
7496 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7500 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7502 result = GameIsDrawn; break;
7504 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7506 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7510 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7512 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7513 GameEnds( result, reason, GE_XBOARD );
7517 /* Next absolutely insufficient mating material. */
7518 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7519 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7520 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7522 /* always flag draws, for judging claims */
7523 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7525 if(canAdjudicate && appData.materialDraws) {
7526 /* but only adjudicate them if adjudication enabled */
7527 if(engineOpponent) {
7528 SendToProgram("force\n", engineOpponent); // suppress reply
7529 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7531 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7536 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7537 if(gameInfo.variant == VariantXiangqi ?
7538 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7540 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7541 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7542 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7543 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7545 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7546 { /* if the first 3 moves do not show a tactical win, declare draw */
7547 if(engineOpponent) {
7548 SendToProgram("force\n", engineOpponent); // suppress reply
7549 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7551 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7554 } else moveCount = 6;
7556 if (appData.debugMode) { int i;
7557 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7558 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7559 appData.drawRepeats);
7560 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7561 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7565 // Repetition draws and 50-move rule can be applied independently of legality testing
7567 /* Check for rep-draws */
7569 for(k = forwardMostMove-2;
7570 k>=backwardMostMove && k>=forwardMostMove-100 &&
7571 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7572 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7575 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7576 /* compare castling rights */
7577 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7578 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7579 rights++; /* King lost rights, while rook still had them */
7580 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7581 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7582 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7583 rights++; /* but at least one rook lost them */
7585 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7586 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7588 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7589 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7590 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7593 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7594 && appData.drawRepeats > 1) {
7595 /* adjudicate after user-specified nr of repeats */
7596 int result = GameIsDrawn;
7597 char *details = "XBoard adjudication: repetition draw";
7598 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7599 // [HGM] xiangqi: check for forbidden perpetuals
7600 int m, ourPerpetual = 1, hisPerpetual = 1;
7601 for(m=forwardMostMove; m>k; m-=2) {
7602 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7603 ourPerpetual = 0; // the current mover did not always check
7604 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7605 hisPerpetual = 0; // the opponent did not always check
7607 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7608 ourPerpetual, hisPerpetual);
7609 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7610 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7611 details = "Xboard adjudication: perpetual checking";
7613 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7614 break; // (or we would have caught him before). Abort repetition-checking loop.
7616 // Now check for perpetual chases
7617 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7618 hisPerpetual = PerpetualChase(k, forwardMostMove);
7619 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7620 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7621 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7622 details = "Xboard adjudication: perpetual chasing";
7624 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7625 break; // Abort repetition-checking loop.
7627 // if neither of us is checking or chasing all the time, or both are, it is draw
7629 if(engineOpponent) {
7630 SendToProgram("force\n", engineOpponent); // suppress reply
7631 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7633 GameEnds( result, details, GE_XBOARD );
7636 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7637 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7641 /* Now we test for 50-move draws. Determine ply count */
7642 count = forwardMostMove;
7643 /* look for last irreversble move */
7644 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7646 /* if we hit starting position, add initial plies */
7647 if( count == backwardMostMove )
7648 count -= initialRulePlies;
7649 count = forwardMostMove - count;
7650 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7651 // adjust reversible move counter for checks in Xiangqi
7652 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7653 if(i < backwardMostMove) i = backwardMostMove;
7654 while(i <= forwardMostMove) {
7655 lastCheck = inCheck; // check evasion does not count
7656 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7657 if(inCheck || lastCheck) count--; // check does not count
7662 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7663 /* this is used to judge if draw claims are legal */
7664 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7665 if(engineOpponent) {
7666 SendToProgram("force\n", engineOpponent); // suppress reply
7667 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7669 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7673 /* if draw offer is pending, treat it as a draw claim
7674 * when draw condition present, to allow engines a way to
7675 * claim draws before making their move to avoid a race
7676 * condition occurring after their move
7678 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7680 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7681 p = "Draw claim: 50-move rule";
7682 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7683 p = "Draw claim: 3-fold repetition";
7684 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7685 p = "Draw claim: insufficient mating material";
7686 if( p != NULL && canAdjudicate) {
7687 if(engineOpponent) {
7688 SendToProgram("force\n", engineOpponent); // suppress reply
7689 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7691 GameEnds( GameIsDrawn, p, GE_XBOARD );
7696 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7697 if(engineOpponent) {
7698 SendToProgram("force\n", engineOpponent); // suppress reply
7699 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7701 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7707 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7708 { // [HGM] book: this routine intercepts moves to simulate book replies
7709 char *bookHit = NULL;
7711 //first determine if the incoming move brings opponent into his book
7712 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7713 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7714 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7715 if(bookHit != NULL && !cps->bookSuspend) {
7716 // make sure opponent is not going to reply after receiving move to book position
7717 SendToProgram("force\n", cps);
7718 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7720 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7721 // now arrange restart after book miss
7723 // after a book hit we never send 'go', and the code after the call to this routine
7724 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7725 char buf[MSG_SIZ], *move = bookHit;
7727 int fromX, fromY, toX, toY;
7731 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7732 &fromX, &fromY, &toX, &toY, &promoChar)) {
7733 (void) CoordsToAlgebraic(boards[forwardMostMove],
7734 PosFlags(forwardMostMove),
7735 fromY, fromX, toY, toX, promoChar, move);
7737 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7741 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7742 SendToProgram(buf, cps);
7743 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7744 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7745 SendToProgram("go\n", cps);
7746 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7747 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7748 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7749 SendToProgram("go\n", cps);
7750 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7752 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7756 ChessProgramState *savedState;
7757 void DeferredBookMove(void)
7759 if(savedState->lastPing != savedState->lastPong)
7760 ScheduleDelayedEvent(DeferredBookMove, 10);
7762 HandleMachineMove(savedMessage, savedState);
7765 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7768 HandleMachineMove(message, cps)
7770 ChessProgramState *cps;
7772 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7773 char realname[MSG_SIZ];
7774 int fromX, fromY, toX, toY;
7781 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7782 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7783 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7784 DisplayError(_("Invalid pairing from pairing engine"), 0);
7787 pairingReceived = 1;
7789 return; // Skim the pairing messages here.
7794 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7796 * Kludge to ignore BEL characters
7798 while (*message == '\007') message++;
7801 * [HGM] engine debug message: ignore lines starting with '#' character
7803 if(cps->debug && *message == '#') return;
7806 * Look for book output
7808 if (cps == &first && bookRequested) {
7809 if (message[0] == '\t' || message[0] == ' ') {
7810 /* Part of the book output is here; append it */
7811 strcat(bookOutput, message);
7812 strcat(bookOutput, " \n");
7814 } else if (bookOutput[0] != NULLCHAR) {
7815 /* All of book output has arrived; display it */
7816 char *p = bookOutput;
7817 while (*p != NULLCHAR) {
7818 if (*p == '\t') *p = ' ';
7821 DisplayInformation(bookOutput);
7822 bookRequested = FALSE;
7823 /* Fall through to parse the current output */
7828 * Look for machine move.
7830 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7831 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7833 /* This method is only useful on engines that support ping */
7834 if (cps->lastPing != cps->lastPong) {
7835 if (gameMode == BeginningOfGame) {
7836 /* Extra move from before last new; ignore */
7837 if (appData.debugMode) {
7838 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7841 if (appData.debugMode) {
7842 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7843 cps->which, gameMode);
7846 SendToProgram("undo\n", cps);
7852 case BeginningOfGame:
7853 /* Extra move from before last reset; ignore */
7854 if (appData.debugMode) {
7855 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7862 /* Extra move after we tried to stop. The mode test is
7863 not a reliable way of detecting this problem, but it's
7864 the best we can do on engines that don't support ping.
7866 if (appData.debugMode) {
7867 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7868 cps->which, gameMode);
7870 SendToProgram("undo\n", cps);
7873 case MachinePlaysWhite:
7874 case IcsPlayingWhite:
7875 machineWhite = TRUE;
7878 case MachinePlaysBlack:
7879 case IcsPlayingBlack:
7880 machineWhite = FALSE;
7883 case TwoMachinesPlay:
7884 machineWhite = (cps->twoMachinesColor[0] == 'w');
7887 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7888 if (appData.debugMode) {
7890 "Ignoring move out of turn by %s, gameMode %d"
7891 ", forwardMost %d\n",
7892 cps->which, gameMode, forwardMostMove);
7897 if (appData.debugMode) { int f = forwardMostMove;
7898 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7899 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7900 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7902 if(cps->alphaRank) AlphaRank(machineMove, 4);
7903 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7904 &fromX, &fromY, &toX, &toY, &promoChar)) {
7905 /* Machine move could not be parsed; ignore it. */
7906 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7907 machineMove, _(cps->which));
7908 DisplayError(buf1, 0);
7909 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7910 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7911 if (gameMode == TwoMachinesPlay) {
7912 GameEnds(machineWhite ? BlackWins : WhiteWins,
7918 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7919 /* So we have to redo legality test with true e.p. status here, */
7920 /* to make sure an illegal e.p. capture does not slip through, */
7921 /* to cause a forfeit on a justified illegal-move complaint */
7922 /* of the opponent. */
7923 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7925 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7926 fromY, fromX, toY, toX, promoChar);
7927 if (appData.debugMode) {
7929 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7930 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7931 fprintf(debugFP, "castling rights\n");
7933 if(moveType == IllegalMove) {
7934 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7935 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7936 GameEnds(machineWhite ? BlackWins : WhiteWins,
7939 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7940 /* [HGM] Kludge to handle engines that send FRC-style castling
7941 when they shouldn't (like TSCP-Gothic) */
7943 case WhiteASideCastleFR:
7944 case BlackASideCastleFR:
7946 currentMoveString[2]++;
7948 case WhiteHSideCastleFR:
7949 case BlackHSideCastleFR:
7951 currentMoveString[2]--;
7953 default: ; // nothing to do, but suppresses warning of pedantic compilers
7956 hintRequested = FALSE;
7957 lastHint[0] = NULLCHAR;
7958 bookRequested = FALSE;
7959 /* Program may be pondering now */
7960 cps->maybeThinking = TRUE;
7961 if (cps->sendTime == 2) cps->sendTime = 1;
7962 if (cps->offeredDraw) cps->offeredDraw--;
7964 /* [AS] Save move info*/
7965 pvInfoList[ forwardMostMove ].score = programStats.score;
7966 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7967 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7969 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7971 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7972 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7975 while( count < adjudicateLossPlies ) {
7976 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7979 score = -score; /* Flip score for winning side */
7982 if( score > adjudicateLossThreshold ) {
7989 if( count >= adjudicateLossPlies ) {
7990 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7992 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7993 "Xboard adjudication",
8000 if(Adjudicate(cps)) {
8001 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8002 return; // [HGM] adjudicate: for all automatic game ends
8006 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8008 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8009 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8011 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8013 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8015 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8016 char buf[3*MSG_SIZ];
8018 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8019 programStats.score / 100.,
8021 programStats.time / 100.,
8022 (unsigned int)programStats.nodes,
8023 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8024 programStats.movelist);
8026 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8031 /* [AS] Clear stats for next move */
8032 ClearProgramStats();
8033 thinkOutput[0] = NULLCHAR;
8034 hiddenThinkOutputState = 0;
8037 if (gameMode == TwoMachinesPlay) {
8038 /* [HGM] relaying draw offers moved to after reception of move */
8039 /* and interpreting offer as claim if it brings draw condition */
8040 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8041 SendToProgram("draw\n", cps->other);
8043 if (cps->other->sendTime) {
8044 SendTimeRemaining(cps->other,
8045 cps->other->twoMachinesColor[0] == 'w');
8047 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8048 if (firstMove && !bookHit) {
8050 if (cps->other->useColors) {
8051 SendToProgram(cps->other->twoMachinesColor, cps->other);
8053 SendToProgram("go\n", cps->other);
8055 cps->other->maybeThinking = TRUE;
8058 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8060 if (!pausing && appData.ringBellAfterMoves) {
8065 * Reenable menu items that were disabled while
8066 * machine was thinking
8068 if (gameMode != TwoMachinesPlay)
8069 SetUserThinkingEnables();
8071 // [HGM] book: after book hit opponent has received move and is now in force mode
8072 // force the book reply into it, and then fake that it outputted this move by jumping
8073 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8075 static char bookMove[MSG_SIZ]; // a bit generous?
8077 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8078 strcat(bookMove, bookHit);
8081 programStats.nodes = programStats.depth = programStats.time =
8082 programStats.score = programStats.got_only_move = 0;
8083 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8085 if(cps->lastPing != cps->lastPong) {
8086 savedMessage = message; // args for deferred call
8088 ScheduleDelayedEvent(DeferredBookMove, 10);
8097 /* Set special modes for chess engines. Later something general
8098 * could be added here; for now there is just one kludge feature,
8099 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8100 * when "xboard" is given as an interactive command.
8102 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8103 cps->useSigint = FALSE;
8104 cps->useSigterm = FALSE;
8106 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8107 ParseFeatures(message+8, cps);
8108 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8111 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8112 int dummy, s=6; char buf[MSG_SIZ];
8113 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8114 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8115 ParseFEN(boards[0], &dummy, message+s);
8116 DrawPosition(TRUE, boards[0]);
8117 startedFromSetupPosition = TRUE;
8120 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8121 * want this, I was asked to put it in, and obliged.
8123 if (!strncmp(message, "setboard ", 9)) {
8124 Board initial_position;
8126 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8128 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8129 DisplayError(_("Bad FEN received from engine"), 0);
8133 CopyBoard(boards[0], initial_position);
8134 initialRulePlies = FENrulePlies;
8135 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8136 else gameMode = MachinePlaysBlack;
8137 DrawPosition(FALSE, boards[currentMove]);
8143 * Look for communication commands
8145 if (!strncmp(message, "telluser ", 9)) {
8146 if(message[9] == '\\' && message[10] == '\\')
8147 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8149 DisplayNote(message + 9);
8152 if (!strncmp(message, "tellusererror ", 14)) {
8154 if(message[14] == '\\' && message[15] == '\\')
8155 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8157 DisplayError(message + 14, 0);
8160 if (!strncmp(message, "tellopponent ", 13)) {
8161 if (appData.icsActive) {
8163 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8167 DisplayNote(message + 13);
8171 if (!strncmp(message, "tellothers ", 11)) {
8172 if (appData.icsActive) {
8174 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8180 if (!strncmp(message, "tellall ", 8)) {
8181 if (appData.icsActive) {
8183 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8187 DisplayNote(message + 8);
8191 if (strncmp(message, "warning", 7) == 0) {
8192 /* Undocumented feature, use tellusererror in new code */
8193 DisplayError(message, 0);
8196 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8197 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8198 strcat(realname, " query");
8199 AskQuestion(realname, buf2, buf1, cps->pr);
8202 /* Commands from the engine directly to ICS. We don't allow these to be
8203 * sent until we are logged on. Crafty kibitzes have been known to
8204 * interfere with the login process.
8207 if (!strncmp(message, "tellics ", 8)) {
8208 SendToICS(message + 8);
8212 if (!strncmp(message, "tellicsnoalias ", 15)) {
8213 SendToICS(ics_prefix);
8214 SendToICS(message + 15);
8218 /* The following are for backward compatibility only */
8219 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8220 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8221 SendToICS(ics_prefix);
8227 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8231 * If the move is illegal, cancel it and redraw the board.
8232 * Also deal with other error cases. Matching is rather loose
8233 * here to accommodate engines written before the spec.
8235 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8236 strncmp(message, "Error", 5) == 0) {
8237 if (StrStr(message, "name") ||
8238 StrStr(message, "rating") || StrStr(message, "?") ||
8239 StrStr(message, "result") || StrStr(message, "board") ||
8240 StrStr(message, "bk") || StrStr(message, "computer") ||
8241 StrStr(message, "variant") || StrStr(message, "hint") ||
8242 StrStr(message, "random") || StrStr(message, "depth") ||
8243 StrStr(message, "accepted")) {
8246 if (StrStr(message, "protover")) {
8247 /* Program is responding to input, so it's apparently done
8248 initializing, and this error message indicates it is
8249 protocol version 1. So we don't need to wait any longer
8250 for it to initialize and send feature commands. */
8251 FeatureDone(cps, 1);
8252 cps->protocolVersion = 1;
8255 cps->maybeThinking = FALSE;
8257 if (StrStr(message, "draw")) {
8258 /* Program doesn't have "draw" command */
8259 cps->sendDrawOffers = 0;
8262 if (cps->sendTime != 1 &&
8263 (StrStr(message, "time") || StrStr(message, "otim"))) {
8264 /* Program apparently doesn't have "time" or "otim" command */
8268 if (StrStr(message, "analyze")) {
8269 cps->analysisSupport = FALSE;
8270 cps->analyzing = FALSE;
8271 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8272 EditGameEvent(); // [HGM] try to preserve loaded game
8273 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8274 DisplayError(buf2, 0);
8277 if (StrStr(message, "(no matching move)st")) {
8278 /* Special kludge for GNU Chess 4 only */
8279 cps->stKludge = TRUE;
8280 SendTimeControl(cps, movesPerSession, timeControl,
8281 timeIncrement, appData.searchDepth,
8285 if (StrStr(message, "(no matching move)sd")) {
8286 /* Special kludge for GNU Chess 4 only */
8287 cps->sdKludge = TRUE;
8288 SendTimeControl(cps, movesPerSession, timeControl,
8289 timeIncrement, appData.searchDepth,
8293 if (!StrStr(message, "llegal")) {
8296 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8297 gameMode == IcsIdle) return;
8298 if (forwardMostMove <= backwardMostMove) return;
8299 if (pausing) PauseEvent();
8300 if(appData.forceIllegal) {
8301 // [HGM] illegal: machine refused move; force position after move into it
8302 SendToProgram("force\n", cps);
8303 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8304 // we have a real problem now, as SendBoard will use the a2a3 kludge
8305 // when black is to move, while there might be nothing on a2 or black
8306 // might already have the move. So send the board as if white has the move.
8307 // But first we must change the stm of the engine, as it refused the last move
8308 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8309 if(WhiteOnMove(forwardMostMove)) {
8310 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8311 SendBoard(cps, forwardMostMove); // kludgeless board
8313 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8314 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8315 SendBoard(cps, forwardMostMove+1); // kludgeless board
8317 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8318 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8319 gameMode == TwoMachinesPlay)
8320 SendToProgram("go\n", cps);
8323 if (gameMode == PlayFromGameFile) {
8324 /* Stop reading this game file */
8325 gameMode = EditGame;
8328 /* [HGM] illegal-move claim should forfeit game when Xboard */
8329 /* only passes fully legal moves */
8330 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8331 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8332 "False illegal-move claim", GE_XBOARD );
8333 return; // do not take back move we tested as valid
8335 currentMove = forwardMostMove-1;
8336 DisplayMove(currentMove-1); /* before DisplayMoveError */
8337 SwitchClocks(forwardMostMove-1); // [HGM] race
8338 DisplayBothClocks();
8339 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8340 parseList[currentMove], _(cps->which));
8341 DisplayMoveError(buf1);
8342 DrawPosition(FALSE, boards[currentMove]);
8345 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8346 /* Program has a broken "time" command that
8347 outputs a string not ending in newline.
8353 * If chess program startup fails, exit with an error message.
8354 * Attempts to recover here are futile.
8356 if ((StrStr(message, "unknown host") != NULL)
8357 || (StrStr(message, "No remote directory") != NULL)
8358 || (StrStr(message, "not found") != NULL)
8359 || (StrStr(message, "No such file") != NULL)
8360 || (StrStr(message, "can't alloc") != NULL)
8361 || (StrStr(message, "Permission denied") != NULL)) {
8363 cps->maybeThinking = FALSE;
8364 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8365 _(cps->which), cps->program, cps->host, message);
8366 RemoveInputSource(cps->isr);
8367 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8368 if(cps == &first) appData.noChessProgram = TRUE;
8369 DisplayError(buf1, 0);
8375 * Look for hint output
8377 if (sscanf(message, "Hint: %s", buf1) == 1) {
8378 if (cps == &first && hintRequested) {
8379 hintRequested = FALSE;
8380 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8381 &fromX, &fromY, &toX, &toY, &promoChar)) {
8382 (void) CoordsToAlgebraic(boards[forwardMostMove],
8383 PosFlags(forwardMostMove),
8384 fromY, fromX, toY, toX, promoChar, buf1);
8385 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8386 DisplayInformation(buf2);
8388 /* Hint move could not be parsed!? */
8389 snprintf(buf2, sizeof(buf2),
8390 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8391 buf1, _(cps->which));
8392 DisplayError(buf2, 0);
8395 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8401 * Ignore other messages if game is not in progress
8403 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8404 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8407 * look for win, lose, draw, or draw offer
8409 if (strncmp(message, "1-0", 3) == 0) {
8410 char *p, *q, *r = "";
8411 p = strchr(message, '{');
8419 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8421 } else if (strncmp(message, "0-1", 3) == 0) {
8422 char *p, *q, *r = "";
8423 p = strchr(message, '{');
8431 /* Kludge for Arasan 4.1 bug */
8432 if (strcmp(r, "Black resigns") == 0) {
8433 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8436 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8438 } else if (strncmp(message, "1/2", 3) == 0) {
8439 char *p, *q, *r = "";
8440 p = strchr(message, '{');
8449 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8452 } else if (strncmp(message, "White resign", 12) == 0) {
8453 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8455 } else if (strncmp(message, "Black resign", 12) == 0) {
8456 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8458 } else if (strncmp(message, "White matches", 13) == 0 ||
8459 strncmp(message, "Black matches", 13) == 0 ) {
8460 /* [HGM] ignore GNUShogi noises */
8462 } else if (strncmp(message, "White", 5) == 0 &&
8463 message[5] != '(' &&
8464 StrStr(message, "Black") == NULL) {
8465 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8467 } else if (strncmp(message, "Black", 5) == 0 &&
8468 message[5] != '(') {
8469 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8471 } else if (strcmp(message, "resign") == 0 ||
8472 strcmp(message, "computer resigns") == 0) {
8474 case MachinePlaysBlack:
8475 case IcsPlayingBlack:
8476 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8478 case MachinePlaysWhite:
8479 case IcsPlayingWhite:
8480 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8482 case TwoMachinesPlay:
8483 if (cps->twoMachinesColor[0] == 'w')
8484 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8486 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8493 } else if (strncmp(message, "opponent mates", 14) == 0) {
8495 case MachinePlaysBlack:
8496 case IcsPlayingBlack:
8497 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8499 case MachinePlaysWhite:
8500 case IcsPlayingWhite:
8501 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8503 case TwoMachinesPlay:
8504 if (cps->twoMachinesColor[0] == 'w')
8505 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8507 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8514 } else if (strncmp(message, "computer mates", 14) == 0) {
8516 case MachinePlaysBlack:
8517 case IcsPlayingBlack:
8518 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8520 case MachinePlaysWhite:
8521 case IcsPlayingWhite:
8522 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8524 case TwoMachinesPlay:
8525 if (cps->twoMachinesColor[0] == 'w')
8526 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8528 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8535 } else if (strncmp(message, "checkmate", 9) == 0) {
8536 if (WhiteOnMove(forwardMostMove)) {
8537 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8539 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8542 } else if (strstr(message, "Draw") != NULL ||
8543 strstr(message, "game is a draw") != NULL) {
8544 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8546 } else if (strstr(message, "offer") != NULL &&
8547 strstr(message, "draw") != NULL) {
8549 if (appData.zippyPlay && first.initDone) {
8550 /* Relay offer to ICS */
8551 SendToICS(ics_prefix);
8552 SendToICS("draw\n");
8555 cps->offeredDraw = 2; /* valid until this engine moves twice */
8556 if (gameMode == TwoMachinesPlay) {
8557 if (cps->other->offeredDraw) {
8558 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8559 /* [HGM] in two-machine mode we delay relaying draw offer */
8560 /* until after we also have move, to see if it is really claim */
8562 } else if (gameMode == MachinePlaysWhite ||
8563 gameMode == MachinePlaysBlack) {
8564 if (userOfferedDraw) {
8565 DisplayInformation(_("Machine accepts your draw offer"));
8566 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8568 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8575 * Look for thinking output
8577 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8578 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8580 int plylev, mvleft, mvtot, curscore, time;
8581 char mvname[MOVE_LEN];
8585 int prefixHint = FALSE;
8586 mvname[0] = NULLCHAR;
8589 case MachinePlaysBlack:
8590 case IcsPlayingBlack:
8591 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8593 case MachinePlaysWhite:
8594 case IcsPlayingWhite:
8595 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8600 case IcsObserving: /* [DM] icsEngineAnalyze */
8601 if (!appData.icsEngineAnalyze) ignore = TRUE;
8603 case TwoMachinesPlay:
8604 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8614 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8616 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8617 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8619 if (plyext != ' ' && plyext != '\t') {
8623 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8624 if( cps->scoreIsAbsolute &&
8625 ( gameMode == MachinePlaysBlack ||
8626 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8627 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8628 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8629 !WhiteOnMove(currentMove)
8632 curscore = -curscore;
8635 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8637 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8640 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8641 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8642 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8643 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8644 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8645 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8647 } else DisplayError("failed writing PV", 0);
8650 tempStats.depth = plylev;
8651 tempStats.nodes = nodes;
8652 tempStats.time = time;
8653 tempStats.score = curscore;
8654 tempStats.got_only_move = 0;
8656 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8659 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8660 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8661 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8662 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8663 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8664 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8665 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8666 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8669 /* Buffer overflow protection */
8670 if (pv[0] != NULLCHAR) {
8671 if (strlen(pv) >= sizeof(tempStats.movelist)
8672 && appData.debugMode) {
8674 "PV is too long; using the first %u bytes.\n",
8675 (unsigned) sizeof(tempStats.movelist) - 1);
8678 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8680 sprintf(tempStats.movelist, " no PV\n");
8683 if (tempStats.seen_stat) {
8684 tempStats.ok_to_send = 1;
8687 if (strchr(tempStats.movelist, '(') != NULL) {
8688 tempStats.line_is_book = 1;
8689 tempStats.nr_moves = 0;
8690 tempStats.moves_left = 0;
8692 tempStats.line_is_book = 0;
8695 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8696 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8698 SendProgramStatsToFrontend( cps, &tempStats );
8701 [AS] Protect the thinkOutput buffer from overflow... this
8702 is only useful if buf1 hasn't overflowed first!
8704 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8706 (gameMode == TwoMachinesPlay ?
8707 ToUpper(cps->twoMachinesColor[0]) : ' '),
8708 ((double) curscore) / 100.0,
8709 prefixHint ? lastHint : "",
8710 prefixHint ? " " : "" );
8712 if( buf1[0] != NULLCHAR ) {
8713 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8715 if( strlen(pv) > max_len ) {
8716 if( appData.debugMode) {
8717 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8719 pv[max_len+1] = '\0';
8722 strcat( thinkOutput, pv);
8725 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8726 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8727 DisplayMove(currentMove - 1);
8731 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8732 /* crafty (9.25+) says "(only move) <move>"
8733 * if there is only 1 legal move
8735 sscanf(p, "(only move) %s", buf1);
8736 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8737 sprintf(programStats.movelist, "%s (only move)", buf1);
8738 programStats.depth = 1;
8739 programStats.nr_moves = 1;
8740 programStats.moves_left = 1;
8741 programStats.nodes = 1;
8742 programStats.time = 1;
8743 programStats.got_only_move = 1;
8745 /* Not really, but we also use this member to
8746 mean "line isn't going to change" (Crafty
8747 isn't searching, so stats won't change) */
8748 programStats.line_is_book = 1;
8750 SendProgramStatsToFrontend( cps, &programStats );
8752 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8753 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8754 DisplayMove(currentMove - 1);
8757 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8758 &time, &nodes, &plylev, &mvleft,
8759 &mvtot, mvname) >= 5) {
8760 /* The stat01: line is from Crafty (9.29+) in response
8761 to the "." command */
8762 programStats.seen_stat = 1;
8763 cps->maybeThinking = TRUE;
8765 if (programStats.got_only_move || !appData.periodicUpdates)
8768 programStats.depth = plylev;
8769 programStats.time = time;
8770 programStats.nodes = nodes;
8771 programStats.moves_left = mvleft;
8772 programStats.nr_moves = mvtot;
8773 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8774 programStats.ok_to_send = 1;
8775 programStats.movelist[0] = '\0';
8777 SendProgramStatsToFrontend( cps, &programStats );
8781 } else if (strncmp(message,"++",2) == 0) {
8782 /* Crafty 9.29+ outputs this */
8783 programStats.got_fail = 2;
8786 } else if (strncmp(message,"--",2) == 0) {
8787 /* Crafty 9.29+ outputs this */
8788 programStats.got_fail = 1;
8791 } else if (thinkOutput[0] != NULLCHAR &&
8792 strncmp(message, " ", 4) == 0) {
8793 unsigned message_len;
8796 while (*p && *p == ' ') p++;
8798 message_len = strlen( p );
8800 /* [AS] Avoid buffer overflow */
8801 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8802 strcat(thinkOutput, " ");
8803 strcat(thinkOutput, p);
8806 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8807 strcat(programStats.movelist, " ");
8808 strcat(programStats.movelist, p);
8811 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8812 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8813 DisplayMove(currentMove - 1);
8821 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8822 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8824 ChessProgramStats cpstats;
8826 if (plyext != ' ' && plyext != '\t') {
8830 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8831 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8832 curscore = -curscore;
8835 cpstats.depth = plylev;
8836 cpstats.nodes = nodes;
8837 cpstats.time = time;
8838 cpstats.score = curscore;
8839 cpstats.got_only_move = 0;
8840 cpstats.movelist[0] = '\0';
8842 if (buf1[0] != NULLCHAR) {
8843 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8846 cpstats.ok_to_send = 0;
8847 cpstats.line_is_book = 0;
8848 cpstats.nr_moves = 0;
8849 cpstats.moves_left = 0;
8851 SendProgramStatsToFrontend( cps, &cpstats );
8858 /* Parse a game score from the character string "game", and
8859 record it as the history of the current game. The game
8860 score is NOT assumed to start from the standard position.
8861 The display is not updated in any way.
8864 ParseGameHistory(game)
8868 int fromX, fromY, toX, toY, boardIndex;
8873 if (appData.debugMode)
8874 fprintf(debugFP, "Parsing game history: %s\n", game);
8876 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8877 gameInfo.site = StrSave(appData.icsHost);
8878 gameInfo.date = PGNDate();
8879 gameInfo.round = StrSave("-");
8881 /* Parse out names of players */
8882 while (*game == ' ') game++;
8884 while (*game != ' ') *p++ = *game++;
8886 gameInfo.white = StrSave(buf);
8887 while (*game == ' ') game++;
8889 while (*game != ' ' && *game != '\n') *p++ = *game++;
8891 gameInfo.black = StrSave(buf);
8894 boardIndex = blackPlaysFirst ? 1 : 0;
8897 yyboardindex = boardIndex;
8898 moveType = (ChessMove) Myylex();
8900 case IllegalMove: /* maybe suicide chess, etc. */
8901 if (appData.debugMode) {
8902 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8903 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8904 setbuf(debugFP, NULL);
8906 case WhitePromotion:
8907 case BlackPromotion:
8908 case WhiteNonPromotion:
8909 case BlackNonPromotion:
8911 case WhiteCapturesEnPassant:
8912 case BlackCapturesEnPassant:
8913 case WhiteKingSideCastle:
8914 case WhiteQueenSideCastle:
8915 case BlackKingSideCastle:
8916 case BlackQueenSideCastle:
8917 case WhiteKingSideCastleWild:
8918 case WhiteQueenSideCastleWild:
8919 case BlackKingSideCastleWild:
8920 case BlackQueenSideCastleWild:
8922 case WhiteHSideCastleFR:
8923 case WhiteASideCastleFR:
8924 case BlackHSideCastleFR:
8925 case BlackASideCastleFR:
8927 fromX = currentMoveString[0] - AAA;
8928 fromY = currentMoveString[1] - ONE;
8929 toX = currentMoveString[2] - AAA;
8930 toY = currentMoveString[3] - ONE;
8931 promoChar = currentMoveString[4];
8935 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8936 fromX = moveType == WhiteDrop ?
8937 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8938 (int) CharToPiece(ToLower(currentMoveString[0]));
8940 toX = currentMoveString[2] - AAA;
8941 toY = currentMoveString[3] - ONE;
8942 promoChar = NULLCHAR;
8946 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8947 if (appData.debugMode) {
8948 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8949 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8950 setbuf(debugFP, NULL);
8952 DisplayError(buf, 0);
8954 case ImpossibleMove:
8956 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8957 if (appData.debugMode) {
8958 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8959 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8960 setbuf(debugFP, NULL);
8962 DisplayError(buf, 0);
8965 if (boardIndex < backwardMostMove) {
8966 /* Oops, gap. How did that happen? */
8967 DisplayError(_("Gap in move list"), 0);
8970 backwardMostMove = blackPlaysFirst ? 1 : 0;
8971 if (boardIndex > forwardMostMove) {
8972 forwardMostMove = boardIndex;
8976 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8977 strcat(parseList[boardIndex-1], " ");
8978 strcat(parseList[boardIndex-1], yy_text);
8990 case GameUnfinished:
8991 if (gameMode == IcsExamining) {
8992 if (boardIndex < backwardMostMove) {
8993 /* Oops, gap. How did that happen? */
8996 backwardMostMove = blackPlaysFirst ? 1 : 0;
8999 gameInfo.result = moveType;
9000 p = strchr(yy_text, '{');
9001 if (p == NULL) p = strchr(yy_text, '(');
9004 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9006 q = strchr(p, *p == '{' ? '}' : ')');
9007 if (q != NULL) *q = NULLCHAR;
9010 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9011 gameInfo.resultDetails = StrSave(p);
9014 if (boardIndex >= forwardMostMove &&
9015 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9016 backwardMostMove = blackPlaysFirst ? 1 : 0;
9019 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9020 fromY, fromX, toY, toX, promoChar,
9021 parseList[boardIndex]);
9022 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9023 /* currentMoveString is set as a side-effect of yylex */
9024 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9025 strcat(moveList[boardIndex], "\n");
9027 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9028 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9034 if(gameInfo.variant != VariantShogi)
9035 strcat(parseList[boardIndex - 1], "+");
9039 strcat(parseList[boardIndex - 1], "#");
9046 /* Apply a move to the given board */
9048 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9049 int fromX, fromY, toX, toY;
9053 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9054 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9056 /* [HGM] compute & store e.p. status and castling rights for new position */
9057 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9059 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9060 oldEP = (signed char)board[EP_STATUS];
9061 board[EP_STATUS] = EP_NONE;
9063 if (fromY == DROP_RANK) {
9065 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9066 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9069 piece = board[toY][toX] = (ChessSquare) fromX;
9073 if( board[toY][toX] != EmptySquare )
9074 board[EP_STATUS] = EP_CAPTURE;
9076 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9077 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9078 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9080 if( board[fromY][fromX] == WhitePawn ) {
9081 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9082 board[EP_STATUS] = EP_PAWN_MOVE;
9084 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9085 gameInfo.variant != VariantBerolina || toX < fromX)
9086 board[EP_STATUS] = toX | berolina;
9087 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9088 gameInfo.variant != VariantBerolina || toX > fromX)
9089 board[EP_STATUS] = toX;
9092 if( board[fromY][fromX] == BlackPawn ) {
9093 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9094 board[EP_STATUS] = EP_PAWN_MOVE;
9095 if( toY-fromY== -2) {
9096 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9097 gameInfo.variant != VariantBerolina || toX < fromX)
9098 board[EP_STATUS] = toX | berolina;
9099 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9100 gameInfo.variant != VariantBerolina || toX > fromX)
9101 board[EP_STATUS] = toX;
9105 for(i=0; i<nrCastlingRights; i++) {
9106 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9107 board[CASTLING][i] == toX && castlingRank[i] == toY
9108 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9111 if (fromX == toX && fromY == toY) return;
9113 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9114 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9115 if(gameInfo.variant == VariantKnightmate)
9116 king += (int) WhiteUnicorn - (int) WhiteKing;
9118 /* Code added by Tord: */
9119 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9120 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9121 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9122 board[fromY][fromX] = EmptySquare;
9123 board[toY][toX] = EmptySquare;
9124 if((toX > fromX) != (piece == WhiteRook)) {
9125 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9127 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9129 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9130 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9131 board[fromY][fromX] = EmptySquare;
9132 board[toY][toX] = EmptySquare;
9133 if((toX > fromX) != (piece == BlackRook)) {
9134 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9136 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9138 /* End of code added by Tord */
9140 } else if (board[fromY][fromX] == king
9141 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9142 && toY == fromY && toX > fromX+1) {
9143 board[fromY][fromX] = EmptySquare;
9144 board[toY][toX] = king;
9145 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9146 board[fromY][BOARD_RGHT-1] = EmptySquare;
9147 } else if (board[fromY][fromX] == king
9148 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9149 && toY == fromY && toX < fromX-1) {
9150 board[fromY][fromX] = EmptySquare;
9151 board[toY][toX] = king;
9152 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9153 board[fromY][BOARD_LEFT] = EmptySquare;
9154 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9155 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9156 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9158 /* white pawn promotion */
9159 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9160 if(gameInfo.variant==VariantBughouse ||
9161 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9162 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9163 board[fromY][fromX] = EmptySquare;
9164 } else if ((fromY >= BOARD_HEIGHT>>1)
9166 && gameInfo.variant != VariantXiangqi
9167 && gameInfo.variant != VariantBerolina
9168 && (board[fromY][fromX] == WhitePawn)
9169 && (board[toY][toX] == EmptySquare)) {
9170 board[fromY][fromX] = EmptySquare;
9171 board[toY][toX] = WhitePawn;
9172 captured = board[toY - 1][toX];
9173 board[toY - 1][toX] = EmptySquare;
9174 } else if ((fromY == BOARD_HEIGHT-4)
9176 && gameInfo.variant == VariantBerolina
9177 && (board[fromY][fromX] == WhitePawn)
9178 && (board[toY][toX] == EmptySquare)) {
9179 board[fromY][fromX] = EmptySquare;
9180 board[toY][toX] = WhitePawn;
9181 if(oldEP & EP_BEROLIN_A) {
9182 captured = board[fromY][fromX-1];
9183 board[fromY][fromX-1] = EmptySquare;
9184 }else{ captured = board[fromY][fromX+1];
9185 board[fromY][fromX+1] = EmptySquare;
9187 } else if (board[fromY][fromX] == king
9188 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9189 && toY == fromY && toX > fromX+1) {
9190 board[fromY][fromX] = EmptySquare;
9191 board[toY][toX] = king;
9192 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9193 board[fromY][BOARD_RGHT-1] = EmptySquare;
9194 } else if (board[fromY][fromX] == king
9195 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9196 && toY == fromY && toX < fromX-1) {
9197 board[fromY][fromX] = EmptySquare;
9198 board[toY][toX] = king;
9199 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9200 board[fromY][BOARD_LEFT] = EmptySquare;
9201 } else if (fromY == 7 && fromX == 3
9202 && board[fromY][fromX] == BlackKing
9203 && toY == 7 && toX == 5) {
9204 board[fromY][fromX] = EmptySquare;
9205 board[toY][toX] = BlackKing;
9206 board[fromY][7] = EmptySquare;
9207 board[toY][4] = BlackRook;
9208 } else if (fromY == 7 && fromX == 3
9209 && board[fromY][fromX] == BlackKing
9210 && toY == 7 && toX == 1) {
9211 board[fromY][fromX] = EmptySquare;
9212 board[toY][toX] = BlackKing;
9213 board[fromY][0] = EmptySquare;
9214 board[toY][2] = BlackRook;
9215 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9216 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9217 && toY < promoRank && promoChar
9219 /* black pawn promotion */
9220 board[toY][toX] = CharToPiece(ToLower(promoChar));
9221 if(gameInfo.variant==VariantBughouse ||
9222 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9223 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9224 board[fromY][fromX] = EmptySquare;
9225 } else if ((fromY < BOARD_HEIGHT>>1)
9227 && gameInfo.variant != VariantXiangqi
9228 && gameInfo.variant != VariantBerolina
9229 && (board[fromY][fromX] == BlackPawn)
9230 && (board[toY][toX] == EmptySquare)) {
9231 board[fromY][fromX] = EmptySquare;
9232 board[toY][toX] = BlackPawn;
9233 captured = board[toY + 1][toX];
9234 board[toY + 1][toX] = EmptySquare;
9235 } else if ((fromY == 3)
9237 && gameInfo.variant == VariantBerolina
9238 && (board[fromY][fromX] == BlackPawn)
9239 && (board[toY][toX] == EmptySquare)) {
9240 board[fromY][fromX] = EmptySquare;
9241 board[toY][toX] = BlackPawn;
9242 if(oldEP & EP_BEROLIN_A) {
9243 captured = board[fromY][fromX-1];
9244 board[fromY][fromX-1] = EmptySquare;
9245 }else{ captured = board[fromY][fromX+1];
9246 board[fromY][fromX+1] = EmptySquare;
9249 board[toY][toX] = board[fromY][fromX];
9250 board[fromY][fromX] = EmptySquare;
9254 if (gameInfo.holdingsWidth != 0) {
9256 /* !!A lot more code needs to be written to support holdings */
9257 /* [HGM] OK, so I have written it. Holdings are stored in the */
9258 /* penultimate board files, so they are automaticlly stored */
9259 /* in the game history. */
9260 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9261 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9262 /* Delete from holdings, by decreasing count */
9263 /* and erasing image if necessary */
9264 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9265 if(p < (int) BlackPawn) { /* white drop */
9266 p -= (int)WhitePawn;
9267 p = PieceToNumber((ChessSquare)p);
9268 if(p >= gameInfo.holdingsSize) p = 0;
9269 if(--board[p][BOARD_WIDTH-2] <= 0)
9270 board[p][BOARD_WIDTH-1] = EmptySquare;
9271 if((int)board[p][BOARD_WIDTH-2] < 0)
9272 board[p][BOARD_WIDTH-2] = 0;
9273 } else { /* black drop */
9274 p -= (int)BlackPawn;
9275 p = PieceToNumber((ChessSquare)p);
9276 if(p >= gameInfo.holdingsSize) p = 0;
9277 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9278 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9279 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9280 board[BOARD_HEIGHT-1-p][1] = 0;
9283 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9284 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9285 /* [HGM] holdings: Add to holdings, if holdings exist */
9286 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9287 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9288 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9291 if (p >= (int) BlackPawn) {
9292 p -= (int)BlackPawn;
9293 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9294 /* in Shogi restore piece to its original first */
9295 captured = (ChessSquare) (DEMOTED captured);
9298 p = PieceToNumber((ChessSquare)p);
9299 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9300 board[p][BOARD_WIDTH-2]++;
9301 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9303 p -= (int)WhitePawn;
9304 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9305 captured = (ChessSquare) (DEMOTED captured);
9308 p = PieceToNumber((ChessSquare)p);
9309 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9310 board[BOARD_HEIGHT-1-p][1]++;
9311 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9314 } else if (gameInfo.variant == VariantAtomic) {
9315 if (captured != EmptySquare) {
9317 for (y = toY-1; y <= toY+1; y++) {
9318 for (x = toX-1; x <= toX+1; x++) {
9319 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9320 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9321 board[y][x] = EmptySquare;
9325 board[toY][toX] = EmptySquare;
9328 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9329 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9331 if(promoChar == '+') {
9332 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9333 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9334 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9335 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9337 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9338 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9339 // [HGM] superchess: take promotion piece out of holdings
9340 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9341 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9342 if(!--board[k][BOARD_WIDTH-2])
9343 board[k][BOARD_WIDTH-1] = EmptySquare;
9345 if(!--board[BOARD_HEIGHT-1-k][1])
9346 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9352 /* Updates forwardMostMove */
9354 MakeMove(fromX, fromY, toX, toY, promoChar)
9355 int fromX, fromY, toX, toY;
9358 // forwardMostMove++; // [HGM] bare: moved downstream
9360 (void) CoordsToAlgebraic(boards[forwardMostMove],
9361 PosFlags(forwardMostMove),
9362 fromY, fromX, toY, toX, promoChar,
9363 parseList[forwardMostMove]);
9365 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9366 int timeLeft; static int lastLoadFlag=0; int king, piece;
9367 piece = boards[forwardMostMove][fromY][fromX];
9368 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9369 if(gameInfo.variant == VariantKnightmate)
9370 king += (int) WhiteUnicorn - (int) WhiteKing;
9371 if(forwardMostMove == 0) {
9372 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9373 fprintf(serverMoves, "%s;", UserName());
9374 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9375 fprintf(serverMoves, "%s;", second.tidy);
9376 fprintf(serverMoves, "%s;", first.tidy);
9377 if(gameMode == MachinePlaysWhite)
9378 fprintf(serverMoves, "%s;", UserName());
9379 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9380 fprintf(serverMoves, "%s;", second.tidy);
9381 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9382 lastLoadFlag = loadFlag;
9384 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9385 // print castling suffix
9386 if( toY == fromY && piece == king ) {
9388 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9390 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9393 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9394 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9395 boards[forwardMostMove][toY][toX] == EmptySquare
9396 && fromX != toX && fromY != toY)
9397 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9399 if(promoChar != NULLCHAR)
9400 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9402 char buf[MOVE_LEN*2], *p; int len;
9403 fprintf(serverMoves, "/%d/%d",
9404 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9405 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9406 else timeLeft = blackTimeRemaining/1000;
9407 fprintf(serverMoves, "/%d", timeLeft);
9408 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9409 if(p = strchr(buf, '=')) *p = NULLCHAR;
9410 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9411 fprintf(serverMoves, "/%s", buf);
9413 fflush(serverMoves);
9416 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9417 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9421 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9422 if (commentList[forwardMostMove+1] != NULL) {
9423 free(commentList[forwardMostMove+1]);
9424 commentList[forwardMostMove+1] = NULL;
9426 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9427 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9428 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9429 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9430 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9431 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9432 gameInfo.result = GameUnfinished;
9433 if (gameInfo.resultDetails != NULL) {
9434 free(gameInfo.resultDetails);
9435 gameInfo.resultDetails = NULL;
9437 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9438 moveList[forwardMostMove - 1]);
9439 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9445 if(gameInfo.variant != VariantShogi)
9446 strcat(parseList[forwardMostMove - 1], "+");
9450 strcat(parseList[forwardMostMove - 1], "#");
9453 if (appData.debugMode) {
9454 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9459 /* Updates currentMove if not pausing */
9461 ShowMove(fromX, fromY, toX, toY)
9463 int instant = (gameMode == PlayFromGameFile) ?
9464 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9465 if(appData.noGUI) return;
9466 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9468 if (forwardMostMove == currentMove + 1) {
9469 AnimateMove(boards[forwardMostMove - 1],
9470 fromX, fromY, toX, toY);
9472 if (appData.highlightLastMove) {
9473 SetHighlights(fromX, fromY, toX, toY);
9476 currentMove = forwardMostMove;
9479 if (instant) return;
9481 DisplayMove(currentMove - 1);
9482 DrawPosition(FALSE, boards[currentMove]);
9483 DisplayBothClocks();
9484 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9485 DisplayBook(currentMove);
9488 void SendEgtPath(ChessProgramState *cps)
9489 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9490 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9492 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9495 char c, *q = name+1, *r, *s;
9497 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9498 while(*p && *p != ',') *q++ = *p++;
9500 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9501 strcmp(name, ",nalimov:") == 0 ) {
9502 // take nalimov path from the menu-changeable option first, if it is defined
9503 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9504 SendToProgram(buf,cps); // send egtbpath command for nalimov
9506 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9507 (s = StrStr(appData.egtFormats, name)) != NULL) {
9508 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9509 s = r = StrStr(s, ":") + 1; // beginning of path info
9510 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9511 c = *r; *r = 0; // temporarily null-terminate path info
9512 *--q = 0; // strip of trailig ':' from name
9513 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9515 SendToProgram(buf,cps); // send egtbpath command for this format
9517 if(*p == ',') p++; // read away comma to position for next format name
9522 InitChessProgram(cps, setup)
9523 ChessProgramState *cps;
9524 int setup; /* [HGM] needed to setup FRC opening position */
9526 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9527 if (appData.noChessProgram) return;
9528 hintRequested = FALSE;
9529 bookRequested = FALSE;
9531 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9532 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9533 if(cps->memSize) { /* [HGM] memory */
9534 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9535 SendToProgram(buf, cps);
9537 SendEgtPath(cps); /* [HGM] EGT */
9538 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9539 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9540 SendToProgram(buf, cps);
9543 SendToProgram(cps->initString, cps);
9544 if (gameInfo.variant != VariantNormal &&
9545 gameInfo.variant != VariantLoadable
9546 /* [HGM] also send variant if board size non-standard */
9547 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9549 char *v = VariantName(gameInfo.variant);
9550 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9551 /* [HGM] in protocol 1 we have to assume all variants valid */
9552 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9553 DisplayFatalError(buf, 0, 1);
9557 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9558 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9559 if( gameInfo.variant == VariantXiangqi )
9560 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9561 if( gameInfo.variant == VariantShogi )
9562 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9563 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9564 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9565 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9566 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9567 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9568 if( gameInfo.variant == VariantCourier )
9569 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9570 if( gameInfo.variant == VariantSuper )
9571 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9572 if( gameInfo.variant == VariantGreat )
9573 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9574 if( gameInfo.variant == VariantSChess )
9575 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9576 if( gameInfo.variant == VariantGrand )
9577 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9580 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9581 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9582 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9583 if(StrStr(cps->variants, b) == NULL) {
9584 // specific sized variant not known, check if general sizing allowed
9585 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9586 if(StrStr(cps->variants, "boardsize") == NULL) {
9587 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9588 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9589 DisplayFatalError(buf, 0, 1);
9592 /* [HGM] here we really should compare with the maximum supported board size */
9595 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9596 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9597 SendToProgram(buf, cps);
9599 currentlyInitializedVariant = gameInfo.variant;
9601 /* [HGM] send opening position in FRC to first engine */
9603 SendToProgram("force\n", cps);
9605 /* engine is now in force mode! Set flag to wake it up after first move. */
9606 setboardSpoiledMachineBlack = 1;
9610 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9611 SendToProgram(buf, cps);
9613 cps->maybeThinking = FALSE;
9614 cps->offeredDraw = 0;
9615 if (!appData.icsActive) {
9616 SendTimeControl(cps, movesPerSession, timeControl,
9617 timeIncrement, appData.searchDepth,
9620 if (appData.showThinking
9621 // [HGM] thinking: four options require thinking output to be sent
9622 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9624 SendToProgram("post\n", cps);
9626 SendToProgram("hard\n", cps);
9627 if (!appData.ponderNextMove) {
9628 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9629 it without being sure what state we are in first. "hard"
9630 is not a toggle, so that one is OK.
9632 SendToProgram("easy\n", cps);
9635 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9636 SendToProgram(buf, cps);
9638 cps->initDone = TRUE;
9639 ClearEngineOutputPane(cps == &second);
9644 StartChessProgram(cps)
9645 ChessProgramState *cps;
9650 if (appData.noChessProgram) return;
9651 cps->initDone = FALSE;
9653 if (strcmp(cps->host, "localhost") == 0) {
9654 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9655 } else if (*appData.remoteShell == NULLCHAR) {
9656 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9658 if (*appData.remoteUser == NULLCHAR) {
9659 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9662 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9663 cps->host, appData.remoteUser, cps->program);
9665 err = StartChildProcess(buf, "", &cps->pr);
9669 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9670 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9671 if(cps != &first) return;
9672 appData.noChessProgram = TRUE;
9675 // DisplayFatalError(buf, err, 1);
9676 // cps->pr = NoProc;
9681 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9682 if (cps->protocolVersion > 1) {
9683 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9684 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9685 cps->comboCnt = 0; // and values of combo boxes
9686 SendToProgram(buf, cps);
9688 SendToProgram("xboard\n", cps);
9693 TwoMachinesEventIfReady P((void))
9695 static int curMess = 0;
9696 if (first.lastPing != first.lastPong) {
9697 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9698 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9701 if (second.lastPing != second.lastPong) {
9702 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9703 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9706 DisplayMessage("", ""); curMess = 0;
9712 MakeName(char *template)
9716 static char buf[MSG_SIZ];
9720 clock = time((time_t *)NULL);
9721 tm = localtime(&clock);
9723 while(*p++ = *template++) if(p[-1] == '%') {
9724 switch(*template++) {
9725 case 0: *p = 0; return buf;
9726 case 'Y': i = tm->tm_year+1900; break;
9727 case 'y': i = tm->tm_year-100; break;
9728 case 'M': i = tm->tm_mon+1; break;
9729 case 'd': i = tm->tm_mday; break;
9730 case 'h': i = tm->tm_hour; break;
9731 case 'm': i = tm->tm_min; break;
9732 case 's': i = tm->tm_sec; break;
9735 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9741 CountPlayers(char *p)
9744 while(p = strchr(p, '\n')) p++, n++; // count participants
9749 WriteTourneyFile(char *results, FILE *f)
9750 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9751 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9752 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9753 // create a file with tournament description
9754 fprintf(f, "-participants {%s}\n", appData.participants);
9755 fprintf(f, "-seedBase %d\n", appData.seedBase);
9756 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9757 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9758 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9759 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9760 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9761 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9762 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9763 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9764 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9765 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9766 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9768 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9770 fprintf(f, "-mps %d\n", appData.movesPerSession);
9771 fprintf(f, "-tc %s\n", appData.timeControl);
9772 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9774 fprintf(f, "-results \"%s\"\n", results);
9779 #define MAXENGINES 1000
9780 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9782 void Substitute(char *participants, int expunge)
9784 int i, changed, changes=0, nPlayers=0;
9785 char *p, *q, *r, buf[MSG_SIZ];
9786 if(participants == NULL) return;
9787 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9788 r = p = participants; q = appData.participants;
9789 while(*p && *p == *q) {
9790 if(*p == '\n') r = p+1, nPlayers++;
9793 if(*p) { // difference
9794 while(*p && *p++ != '\n');
9795 while(*q && *q++ != '\n');
9797 changes = 1 + (strcmp(p, q) != 0);
9799 if(changes == 1) { // a single engine mnemonic was changed
9800 q = r; while(*q) nPlayers += (*q++ == '\n');
9801 p = buf; while(*r && (*p = *r++) != '\n') p++;
9803 NamesToList(firstChessProgramNames, command, mnemonic);
9804 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9805 if(mnemonic[i]) { // The substitute is valid
9807 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9808 flock(fileno(f), LOCK_EX);
9809 ParseArgsFromFile(f);
9810 fseek(f, 0, SEEK_SET);
9811 FREE(appData.participants); appData.participants = participants;
9812 if(expunge) { // erase results of replaced engine
9813 int len = strlen(appData.results), w, b, dummy;
9814 for(i=0; i<len; i++) {
9815 Pairing(i, nPlayers, &w, &b, &dummy);
9816 if((w == changed || b == changed) && appData.results[i] == '*') {
9817 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9822 for(i=0; i<len; i++) {
9823 Pairing(i, nPlayers, &w, &b, &dummy);
9824 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9827 WriteTourneyFile(appData.results, f);
9828 fclose(f); // release lock
9831 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9833 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9834 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9840 CreateTourney(char *name)
9843 if(matchMode && strcmp(name, appData.tourneyFile)) {
9844 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9846 if(name[0] == NULLCHAR) {
9847 if(appData.participants[0])
9848 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9851 f = fopen(name, "r");
9852 if(f) { // file exists
9853 ASSIGN(appData.tourneyFile, name);
9854 ParseArgsFromFile(f); // parse it
9856 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9857 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9858 DisplayError(_("Not enough participants"), 0);
9861 ASSIGN(appData.tourneyFile, name);
9862 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9863 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9866 appData.noChessProgram = FALSE;
9867 appData.clockMode = TRUE;
9872 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9874 char buf[MSG_SIZ], *p, *q;
9878 while(*p && *p != '\n') *q++ = *p++;
9880 if(engineList[i]) free(engineList[i]);
9881 engineList[i] = strdup(buf);
9883 TidyProgramName(engineList[i], "localhost", buf);
9884 if(engineMnemonic[i]) free(engineMnemonic[i]);
9885 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9887 sscanf(q + 8, "%s", buf + strlen(buf));
9890 engineMnemonic[i] = strdup(buf);
9892 if(i > MAXENGINES - 2) break;
9894 engineList[i] = engineMnemonic[i] = NULL;
9897 // following implemented as macro to avoid type limitations
9898 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9900 void SwapEngines(int n)
9901 { // swap settings for first engine and other engine (so far only some selected options)
9906 SWAP(chessProgram, p)
9908 SWAP(hasOwnBookUCI, h)
9909 SWAP(protocolVersion, h)
9911 SWAP(scoreIsAbsolute, h)
9919 SetPlayer(int player)
9920 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9922 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9923 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9924 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9925 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9927 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9928 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9929 ParseArgsFromString(buf);
9935 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9936 { // determine players from game number
9937 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9939 if(appData.tourneyType == 0) {
9940 roundsPerCycle = (nPlayers - 1) | 1;
9941 pairingsPerRound = nPlayers / 2;
9942 } else if(appData.tourneyType > 0) {
9943 roundsPerCycle = nPlayers - appData.tourneyType;
9944 pairingsPerRound = appData.tourneyType;
9946 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9947 gamesPerCycle = gamesPerRound * roundsPerCycle;
9948 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9949 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9950 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9951 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9952 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9953 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9955 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9956 if(appData.roundSync) *syncInterval = gamesPerRound;
9958 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9960 if(appData.tourneyType == 0) {
9961 if(curPairing == (nPlayers-1)/2 ) {
9962 *whitePlayer = curRound;
9963 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9965 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9966 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9967 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9968 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9970 } else if(appData.tourneyType > 0) {
9971 *whitePlayer = curPairing;
9972 *blackPlayer = curRound + appData.tourneyType;
9975 // take care of white/black alternation per round.
9976 // For cycles and games this is already taken care of by default, derived from matchGame!
9977 return curRound & 1;
9981 NextTourneyGame(int nr, int *swapColors)
9982 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9984 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9986 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9987 tf = fopen(appData.tourneyFile, "r");
9988 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9989 ParseArgsFromFile(tf); fclose(tf);
9990 InitTimeControls(); // TC might be altered from tourney file
9992 nPlayers = CountPlayers(appData.participants); // count participants
9993 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
9994 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9997 p = q = appData.results;
9998 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9999 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10000 DisplayMessage(_("Waiting for other game(s)"),"");
10001 waitingForGame = TRUE;
10002 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10005 waitingForGame = FALSE;
10008 if(appData.tourneyType < 0) {
10009 if(nr>=0 && !pairingReceived) {
10011 if(pairing.pr == NoProc) {
10012 if(!appData.pairingEngine[0]) {
10013 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10016 StartChessProgram(&pairing); // starts the pairing engine
10018 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10019 SendToProgram(buf, &pairing);
10020 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10021 SendToProgram(buf, &pairing);
10022 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10024 pairingReceived = 0; // ... so we continue here
10026 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10027 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10028 matchGame = 1; roundNr = nr / syncInterval + 1;
10031 if(first.pr != NoProc) return 1; // engines already loaded
10033 // redefine engines, engine dir, etc.
10034 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10035 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10037 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10038 SwapEngines(1); // and make that valid for second engine by swapping
10039 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10040 InitEngine(&second, 1);
10041 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10042 UpdateLogos(FALSE); // leave display to ModeHiglight()
10048 { // performs game initialization that does not invoke engines, and then tries to start the game
10049 int firstWhite, swapColors = 0;
10050 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10051 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10052 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10053 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10054 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10055 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10056 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10057 Reset(FALSE, first.pr != NoProc);
10058 appData.noChessProgram = FALSE;
10059 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
10060 TwoMachinesEvent();
10063 void UserAdjudicationEvent( int result )
10065 ChessMove gameResult = GameIsDrawn;
10068 gameResult = WhiteWins;
10070 else if( result < 0 ) {
10071 gameResult = BlackWins;
10074 if( gameMode == TwoMachinesPlay ) {
10075 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10080 // [HGM] save: calculate checksum of game to make games easily identifiable
10081 int StringCheckSum(char *s)
10084 if(s==NULL) return 0;
10085 while(*s) i = i*259 + *s++;
10092 for(i=backwardMostMove; i<forwardMostMove; i++) {
10093 sum += pvInfoList[i].depth;
10094 sum += StringCheckSum(parseList[i]);
10095 sum += StringCheckSum(commentList[i]);
10098 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10099 return sum + StringCheckSum(commentList[i]);
10100 } // end of save patch
10103 GameEnds(result, resultDetails, whosays)
10105 char *resultDetails;
10108 GameMode nextGameMode;
10110 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10112 if(endingGame) return; /* [HGM] crash: forbid recursion */
10114 if(twoBoards) { // [HGM] dual: switch back to one board
10115 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10116 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10118 if (appData.debugMode) {
10119 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10120 result, resultDetails ? resultDetails : "(null)", whosays);
10123 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10125 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10126 /* If we are playing on ICS, the server decides when the
10127 game is over, but the engine can offer to draw, claim
10131 if (appData.zippyPlay && first.initDone) {
10132 if (result == GameIsDrawn) {
10133 /* In case draw still needs to be claimed */
10134 SendToICS(ics_prefix);
10135 SendToICS("draw\n");
10136 } else if (StrCaseStr(resultDetails, "resign")) {
10137 SendToICS(ics_prefix);
10138 SendToICS("resign\n");
10142 endingGame = 0; /* [HGM] crash */
10146 /* If we're loading the game from a file, stop */
10147 if (whosays == GE_FILE) {
10148 (void) StopLoadGameTimer();
10152 /* Cancel draw offers */
10153 first.offeredDraw = second.offeredDraw = 0;
10155 /* If this is an ICS game, only ICS can really say it's done;
10156 if not, anyone can. */
10157 isIcsGame = (gameMode == IcsPlayingWhite ||
10158 gameMode == IcsPlayingBlack ||
10159 gameMode == IcsObserving ||
10160 gameMode == IcsExamining);
10162 if (!isIcsGame || whosays == GE_ICS) {
10163 /* OK -- not an ICS game, or ICS said it was done */
10165 if (!isIcsGame && !appData.noChessProgram)
10166 SetUserThinkingEnables();
10168 /* [HGM] if a machine claims the game end we verify this claim */
10169 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10170 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10172 ChessMove trueResult = (ChessMove) -1;
10174 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10175 first.twoMachinesColor[0] :
10176 second.twoMachinesColor[0] ;
10178 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10179 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10180 /* [HGM] verify: engine mate claims accepted if they were flagged */
10181 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10183 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10184 /* [HGM] verify: engine mate claims accepted if they were flagged */
10185 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10187 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10188 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10191 // now verify win claims, but not in drop games, as we don't understand those yet
10192 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10193 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10194 (result == WhiteWins && claimer == 'w' ||
10195 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10196 if (appData.debugMode) {
10197 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10198 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10200 if(result != trueResult) {
10201 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10202 result = claimer == 'w' ? BlackWins : WhiteWins;
10203 resultDetails = buf;
10206 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10207 && (forwardMostMove <= backwardMostMove ||
10208 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10209 (claimer=='b')==(forwardMostMove&1))
10211 /* [HGM] verify: draws that were not flagged are false claims */
10212 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10213 result = claimer == 'w' ? BlackWins : WhiteWins;
10214 resultDetails = buf;
10216 /* (Claiming a loss is accepted no questions asked!) */
10218 /* [HGM] bare: don't allow bare King to win */
10219 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10220 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10221 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10222 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10223 && result != GameIsDrawn)
10224 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10225 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10226 int p = (signed char)boards[forwardMostMove][i][j] - color;
10227 if(p >= 0 && p <= (int)WhiteKing) k++;
10229 if (appData.debugMode) {
10230 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10231 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10234 result = GameIsDrawn;
10235 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10236 resultDetails = buf;
10242 if(serverMoves != NULL && !loadFlag) { char c = '=';
10243 if(result==WhiteWins) c = '+';
10244 if(result==BlackWins) c = '-';
10245 if(resultDetails != NULL)
10246 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10248 if (resultDetails != NULL) {
10249 gameInfo.result = result;
10250 gameInfo.resultDetails = StrSave(resultDetails);
10252 /* display last move only if game was not loaded from file */
10253 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10254 DisplayMove(currentMove - 1);
10256 if (forwardMostMove != 0) {
10257 if (gameMode != PlayFromGameFile && gameMode != EditGame
10258 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10260 if (*appData.saveGameFile != NULLCHAR) {
10261 SaveGameToFile(appData.saveGameFile, TRUE);
10262 } else if (appData.autoSaveGames) {
10265 if (*appData.savePositionFile != NULLCHAR) {
10266 SavePositionToFile(appData.savePositionFile);
10271 /* Tell program how game ended in case it is learning */
10272 /* [HGM] Moved this to after saving the PGN, just in case */
10273 /* engine died and we got here through time loss. In that */
10274 /* case we will get a fatal error writing the pipe, which */
10275 /* would otherwise lose us the PGN. */
10276 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10277 /* output during GameEnds should never be fatal anymore */
10278 if (gameMode == MachinePlaysWhite ||
10279 gameMode == MachinePlaysBlack ||
10280 gameMode == TwoMachinesPlay ||
10281 gameMode == IcsPlayingWhite ||
10282 gameMode == IcsPlayingBlack ||
10283 gameMode == BeginningOfGame) {
10285 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10287 if (first.pr != NoProc) {
10288 SendToProgram(buf, &first);
10290 if (second.pr != NoProc &&
10291 gameMode == TwoMachinesPlay) {
10292 SendToProgram(buf, &second);
10297 if (appData.icsActive) {
10298 if (appData.quietPlay &&
10299 (gameMode == IcsPlayingWhite ||
10300 gameMode == IcsPlayingBlack)) {
10301 SendToICS(ics_prefix);
10302 SendToICS("set shout 1\n");
10304 nextGameMode = IcsIdle;
10305 ics_user_moved = FALSE;
10306 /* clean up premove. It's ugly when the game has ended and the
10307 * premove highlights are still on the board.
10310 gotPremove = FALSE;
10311 ClearPremoveHighlights();
10312 DrawPosition(FALSE, boards[currentMove]);
10314 if (whosays == GE_ICS) {
10317 if (gameMode == IcsPlayingWhite)
10319 else if(gameMode == IcsPlayingBlack)
10320 PlayIcsLossSound();
10323 if (gameMode == IcsPlayingBlack)
10325 else if(gameMode == IcsPlayingWhite)
10326 PlayIcsLossSound();
10329 PlayIcsDrawSound();
10332 PlayIcsUnfinishedSound();
10335 } else if (gameMode == EditGame ||
10336 gameMode == PlayFromGameFile ||
10337 gameMode == AnalyzeMode ||
10338 gameMode == AnalyzeFile) {
10339 nextGameMode = gameMode;
10341 nextGameMode = EndOfGame;
10346 nextGameMode = gameMode;
10349 if (appData.noChessProgram) {
10350 gameMode = nextGameMode;
10352 endingGame = 0; /* [HGM] crash */
10357 /* Put first chess program into idle state */
10358 if (first.pr != NoProc &&
10359 (gameMode == MachinePlaysWhite ||
10360 gameMode == MachinePlaysBlack ||
10361 gameMode == TwoMachinesPlay ||
10362 gameMode == IcsPlayingWhite ||
10363 gameMode == IcsPlayingBlack ||
10364 gameMode == BeginningOfGame)) {
10365 SendToProgram("force\n", &first);
10366 if (first.usePing) {
10368 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10369 SendToProgram(buf, &first);
10372 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10373 /* Kill off first chess program */
10374 if (first.isr != NULL)
10375 RemoveInputSource(first.isr);
10378 if (first.pr != NoProc) {
10380 DoSleep( appData.delayBeforeQuit );
10381 SendToProgram("quit\n", &first);
10382 DoSleep( appData.delayAfterQuit );
10383 DestroyChildProcess(first.pr, first.useSigterm);
10387 if (second.reuse) {
10388 /* Put second chess program into idle state */
10389 if (second.pr != NoProc &&
10390 gameMode == TwoMachinesPlay) {
10391 SendToProgram("force\n", &second);
10392 if (second.usePing) {
10394 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10395 SendToProgram(buf, &second);
10398 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10399 /* Kill off second chess program */
10400 if (second.isr != NULL)
10401 RemoveInputSource(second.isr);
10404 if (second.pr != NoProc) {
10405 DoSleep( appData.delayBeforeQuit );
10406 SendToProgram("quit\n", &second);
10407 DoSleep( appData.delayAfterQuit );
10408 DestroyChildProcess(second.pr, second.useSigterm);
10410 second.pr = NoProc;
10413 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10414 char resChar = '=';
10418 if (first.twoMachinesColor[0] == 'w') {
10421 second.matchWins++;
10426 if (first.twoMachinesColor[0] == 'b') {
10429 second.matchWins++;
10432 case GameUnfinished:
10438 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10439 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10440 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10441 ReserveGame(nextGame, resChar); // sets nextGame
10442 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10443 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10444 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10446 if (nextGame <= appData.matchGames && !abortMatch) {
10447 gameMode = nextGameMode;
10448 matchGame = nextGame; // this will be overruled in tourney mode!
10449 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10450 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10451 endingGame = 0; /* [HGM] crash */
10454 gameMode = nextGameMode;
10455 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10456 first.tidy, second.tidy,
10457 first.matchWins, second.matchWins,
10458 appData.matchGames - (first.matchWins + second.matchWins));
10459 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10460 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10461 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10462 first.twoMachinesColor = "black\n";
10463 second.twoMachinesColor = "white\n";
10465 first.twoMachinesColor = "white\n";
10466 second.twoMachinesColor = "black\n";
10470 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10471 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10473 gameMode = nextGameMode;
10475 endingGame = 0; /* [HGM] crash */
10476 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10477 if(matchMode == TRUE) { // match through command line: exit with or without popup
10479 ToNrEvent(forwardMostMove);
10480 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10482 } else DisplayFatalError(buf, 0, 0);
10483 } else { // match through menu; just stop, with or without popup
10484 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10487 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10488 } else DisplayNote(buf);
10490 if(ranking) free(ranking);
10494 /* Assumes program was just initialized (initString sent).
10495 Leaves program in force mode. */
10497 FeedMovesToProgram(cps, upto)
10498 ChessProgramState *cps;
10503 if (appData.debugMode)
10504 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10505 startedFromSetupPosition ? "position and " : "",
10506 backwardMostMove, upto, cps->which);
10507 if(currentlyInitializedVariant != gameInfo.variant) {
10509 // [HGM] variantswitch: make engine aware of new variant
10510 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10511 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10512 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10513 SendToProgram(buf, cps);
10514 currentlyInitializedVariant = gameInfo.variant;
10516 SendToProgram("force\n", cps);
10517 if (startedFromSetupPosition) {
10518 SendBoard(cps, backwardMostMove);
10519 if (appData.debugMode) {
10520 fprintf(debugFP, "feedMoves\n");
10523 for (i = backwardMostMove; i < upto; i++) {
10524 SendMoveToProgram(i, cps);
10530 ResurrectChessProgram()
10532 /* The chess program may have exited.
10533 If so, restart it and feed it all the moves made so far. */
10534 static int doInit = 0;
10536 if (appData.noChessProgram) return 1;
10538 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10539 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10540 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10541 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10543 if (first.pr != NoProc) return 1;
10544 StartChessProgram(&first);
10546 InitChessProgram(&first, FALSE);
10547 FeedMovesToProgram(&first, currentMove);
10549 if (!first.sendTime) {
10550 /* can't tell gnuchess what its clock should read,
10551 so we bow to its notion. */
10553 timeRemaining[0][currentMove] = whiteTimeRemaining;
10554 timeRemaining[1][currentMove] = blackTimeRemaining;
10557 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10558 appData.icsEngineAnalyze) && first.analysisSupport) {
10559 SendToProgram("analyze\n", &first);
10560 first.analyzing = TRUE;
10566 * Button procedures
10569 Reset(redraw, init)
10574 if (appData.debugMode) {
10575 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10576 redraw, init, gameMode);
10578 CleanupTail(); // [HGM] vari: delete any stored variations
10579 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10580 pausing = pauseExamInvalid = FALSE;
10581 startedFromSetupPosition = blackPlaysFirst = FALSE;
10583 whiteFlag = blackFlag = FALSE;
10584 userOfferedDraw = FALSE;
10585 hintRequested = bookRequested = FALSE;
10586 first.maybeThinking = FALSE;
10587 second.maybeThinking = FALSE;
10588 first.bookSuspend = FALSE; // [HGM] book
10589 second.bookSuspend = FALSE;
10590 thinkOutput[0] = NULLCHAR;
10591 lastHint[0] = NULLCHAR;
10592 ClearGameInfo(&gameInfo);
10593 gameInfo.variant = StringToVariant(appData.variant);
10594 ics_user_moved = ics_clock_paused = FALSE;
10595 ics_getting_history = H_FALSE;
10597 white_holding[0] = black_holding[0] = NULLCHAR;
10598 ClearProgramStats();
10599 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10603 flipView = appData.flipView;
10604 ClearPremoveHighlights();
10605 gotPremove = FALSE;
10606 alarmSounded = FALSE;
10608 GameEnds(EndOfFile, NULL, GE_PLAYER);
10609 if(appData.serverMovesName != NULL) {
10610 /* [HGM] prepare to make moves file for broadcasting */
10611 clock_t t = clock();
10612 if(serverMoves != NULL) fclose(serverMoves);
10613 serverMoves = fopen(appData.serverMovesName, "r");
10614 if(serverMoves != NULL) {
10615 fclose(serverMoves);
10616 /* delay 15 sec before overwriting, so all clients can see end */
10617 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10619 serverMoves = fopen(appData.serverMovesName, "w");
10623 gameMode = BeginningOfGame;
10625 if(appData.icsActive) gameInfo.variant = VariantNormal;
10626 currentMove = forwardMostMove = backwardMostMove = 0;
10627 InitPosition(redraw);
10628 for (i = 0; i < MAX_MOVES; i++) {
10629 if (commentList[i] != NULL) {
10630 free(commentList[i]);
10631 commentList[i] = NULL;
10635 timeRemaining[0][0] = whiteTimeRemaining;
10636 timeRemaining[1][0] = blackTimeRemaining;
10638 if (first.pr == NULL) {
10639 StartChessProgram(&first);
10642 InitChessProgram(&first, startedFromSetupPosition);
10645 DisplayMessage("", "");
10646 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10647 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10654 if (!AutoPlayOneMove())
10656 if (matchMode || appData.timeDelay == 0)
10658 if (appData.timeDelay < 0)
10660 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10669 int fromX, fromY, toX, toY;
10671 if (appData.debugMode) {
10672 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10675 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10678 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10679 pvInfoList[currentMove].depth = programStats.depth;
10680 pvInfoList[currentMove].score = programStats.score;
10681 pvInfoList[currentMove].time = 0;
10682 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10685 if (currentMove >= forwardMostMove) {
10686 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10687 // gameMode = EndOfGame;
10688 // ModeHighlight();
10690 /* [AS] Clear current move marker at the end of a game */
10691 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10696 toX = moveList[currentMove][2] - AAA;
10697 toY = moveList[currentMove][3] - ONE;
10699 if (moveList[currentMove][1] == '@') {
10700 if (appData.highlightLastMove) {
10701 SetHighlights(-1, -1, toX, toY);
10704 fromX = moveList[currentMove][0] - AAA;
10705 fromY = moveList[currentMove][1] - ONE;
10707 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10709 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10711 if (appData.highlightLastMove) {
10712 SetHighlights(fromX, fromY, toX, toY);
10715 DisplayMove(currentMove);
10716 SendMoveToProgram(currentMove++, &first);
10717 DisplayBothClocks();
10718 DrawPosition(FALSE, boards[currentMove]);
10719 // [HGM] PV info: always display, routine tests if empty
10720 DisplayComment(currentMove - 1, commentList[currentMove]);
10726 LoadGameOneMove(readAhead)
10727 ChessMove readAhead;
10729 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10730 char promoChar = NULLCHAR;
10731 ChessMove moveType;
10732 char move[MSG_SIZ];
10735 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10736 gameMode != AnalyzeMode && gameMode != Training) {
10741 yyboardindex = forwardMostMove;
10742 if (readAhead != EndOfFile) {
10743 moveType = readAhead;
10745 if (gameFileFP == NULL)
10747 moveType = (ChessMove) Myylex();
10751 switch (moveType) {
10753 if (appData.debugMode)
10754 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10757 /* append the comment but don't display it */
10758 AppendComment(currentMove, p, FALSE);
10761 case WhiteCapturesEnPassant:
10762 case BlackCapturesEnPassant:
10763 case WhitePromotion:
10764 case BlackPromotion:
10765 case WhiteNonPromotion:
10766 case BlackNonPromotion:
10768 case WhiteKingSideCastle:
10769 case WhiteQueenSideCastle:
10770 case BlackKingSideCastle:
10771 case BlackQueenSideCastle:
10772 case WhiteKingSideCastleWild:
10773 case WhiteQueenSideCastleWild:
10774 case BlackKingSideCastleWild:
10775 case BlackQueenSideCastleWild:
10777 case WhiteHSideCastleFR:
10778 case WhiteASideCastleFR:
10779 case BlackHSideCastleFR:
10780 case BlackASideCastleFR:
10782 if (appData.debugMode)
10783 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10784 fromX = currentMoveString[0] - AAA;
10785 fromY = currentMoveString[1] - ONE;
10786 toX = currentMoveString[2] - AAA;
10787 toY = currentMoveString[3] - ONE;
10788 promoChar = currentMoveString[4];
10793 if (appData.debugMode)
10794 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10795 fromX = moveType == WhiteDrop ?
10796 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10797 (int) CharToPiece(ToLower(currentMoveString[0]));
10799 toX = currentMoveString[2] - AAA;
10800 toY = currentMoveString[3] - ONE;
10806 case GameUnfinished:
10807 if (appData.debugMode)
10808 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10809 p = strchr(yy_text, '{');
10810 if (p == NULL) p = strchr(yy_text, '(');
10813 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10815 q = strchr(p, *p == '{' ? '}' : ')');
10816 if (q != NULL) *q = NULLCHAR;
10819 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10820 GameEnds(moveType, p, GE_FILE);
10822 if (cmailMsgLoaded) {
10824 flipView = WhiteOnMove(currentMove);
10825 if (moveType == GameUnfinished) flipView = !flipView;
10826 if (appData.debugMode)
10827 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10832 if (appData.debugMode)
10833 fprintf(debugFP, "Parser hit end of file\n");
10834 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10840 if (WhiteOnMove(currentMove)) {
10841 GameEnds(BlackWins, "Black mates", GE_FILE);
10843 GameEnds(WhiteWins, "White mates", GE_FILE);
10847 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10853 case MoveNumberOne:
10854 if (lastLoadGameStart == GNUChessGame) {
10855 /* GNUChessGames have numbers, but they aren't move numbers */
10856 if (appData.debugMode)
10857 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10858 yy_text, (int) moveType);
10859 return LoadGameOneMove(EndOfFile); /* tail recursion */
10861 /* else fall thru */
10866 /* Reached start of next game in file */
10867 if (appData.debugMode)
10868 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10869 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10875 if (WhiteOnMove(currentMove)) {
10876 GameEnds(BlackWins, "Black mates", GE_FILE);
10878 GameEnds(WhiteWins, "White mates", GE_FILE);
10882 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10888 case PositionDiagram: /* should not happen; ignore */
10889 case ElapsedTime: /* ignore */
10890 case NAG: /* ignore */
10891 if (appData.debugMode)
10892 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10893 yy_text, (int) moveType);
10894 return LoadGameOneMove(EndOfFile); /* tail recursion */
10897 if (appData.testLegality) {
10898 if (appData.debugMode)
10899 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10900 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10901 (forwardMostMove / 2) + 1,
10902 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10903 DisplayError(move, 0);
10906 if (appData.debugMode)
10907 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10908 yy_text, currentMoveString);
10909 fromX = currentMoveString[0] - AAA;
10910 fromY = currentMoveString[1] - ONE;
10911 toX = currentMoveString[2] - AAA;
10912 toY = currentMoveString[3] - ONE;
10913 promoChar = currentMoveString[4];
10917 case AmbiguousMove:
10918 if (appData.debugMode)
10919 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10920 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10921 (forwardMostMove / 2) + 1,
10922 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10923 DisplayError(move, 0);
10928 case ImpossibleMove:
10929 if (appData.debugMode)
10930 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10931 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10932 (forwardMostMove / 2) + 1,
10933 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10934 DisplayError(move, 0);
10940 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10941 DrawPosition(FALSE, boards[currentMove]);
10942 DisplayBothClocks();
10943 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10944 DisplayComment(currentMove - 1, commentList[currentMove]);
10946 (void) StopLoadGameTimer();
10948 cmailOldMove = forwardMostMove;
10951 /* currentMoveString is set as a side-effect of yylex */
10953 thinkOutput[0] = NULLCHAR;
10954 MakeMove(fromX, fromY, toX, toY, promoChar);
10955 currentMove = forwardMostMove;
10960 /* Load the nth game from the given file */
10962 LoadGameFromFile(filename, n, title, useList)
10966 /*Boolean*/ int useList;
10971 if (strcmp(filename, "-") == 0) {
10975 f = fopen(filename, "rb");
10977 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10978 DisplayError(buf, errno);
10982 if (fseek(f, 0, 0) == -1) {
10983 /* f is not seekable; probably a pipe */
10986 if (useList && n == 0) {
10987 int error = GameListBuild(f);
10989 DisplayError(_("Cannot build game list"), error);
10990 } else if (!ListEmpty(&gameList) &&
10991 ((ListGame *) gameList.tailPred)->number > 1) {
10992 GameListPopUp(f, title);
10999 return LoadGame(f, n, title, FALSE);
11004 MakeRegisteredMove()
11006 int fromX, fromY, toX, toY;
11008 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11009 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11012 if (appData.debugMode)
11013 fprintf(debugFP, "Restoring %s for game %d\n",
11014 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11016 thinkOutput[0] = NULLCHAR;
11017 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11018 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11019 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11020 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11021 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11022 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11023 MakeMove(fromX, fromY, toX, toY, promoChar);
11024 ShowMove(fromX, fromY, toX, toY);
11026 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11033 if (WhiteOnMove(currentMove)) {
11034 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11036 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11041 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11048 if (WhiteOnMove(currentMove)) {
11049 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11051 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11056 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11067 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11069 CmailLoadGame(f, gameNumber, title, useList)
11077 if (gameNumber > nCmailGames) {
11078 DisplayError(_("No more games in this message"), 0);
11081 if (f == lastLoadGameFP) {
11082 int offset = gameNumber - lastLoadGameNumber;
11084 cmailMsg[0] = NULLCHAR;
11085 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11086 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11087 nCmailMovesRegistered--;
11089 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11090 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11091 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11094 if (! RegisterMove()) return FALSE;
11098 retVal = LoadGame(f, gameNumber, title, useList);
11100 /* Make move registered during previous look at this game, if any */
11101 MakeRegisteredMove();
11103 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11104 commentList[currentMove]
11105 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11106 DisplayComment(currentMove - 1, commentList[currentMove]);
11112 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11117 int gameNumber = lastLoadGameNumber + offset;
11118 if (lastLoadGameFP == NULL) {
11119 DisplayError(_("No game has been loaded yet"), 0);
11122 if (gameNumber <= 0) {
11123 DisplayError(_("Can't back up any further"), 0);
11126 if (cmailMsgLoaded) {
11127 return CmailLoadGame(lastLoadGameFP, gameNumber,
11128 lastLoadGameTitle, lastLoadGameUseList);
11130 return LoadGame(lastLoadGameFP, gameNumber,
11131 lastLoadGameTitle, lastLoadGameUseList);
11135 int keys[EmptySquare+1];
11138 PositionMatches(Board b1, Board b2)
11141 switch(appData.searchMode) {
11142 case 1: return CompareWithRights(b1, b2);
11144 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11145 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11149 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11150 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11151 sum += keys[b1[r][f]] - keys[b2[r][f]];
11155 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11156 sum += keys[b1[r][f]] - keys[b2[r][f]];
11163 GameInfo dummyInfo;
11165 int GameContainsPosition(FILE *f, ListGame *lg)
11167 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11168 int fromX, fromY, toX, toY;
11170 static int initDone=FALSE;
11173 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11176 dummyInfo.variant = VariantNormal;
11177 FREE(dummyInfo.fen); dummyInfo.fen = NULL;
11178 dummyInfo.whiteRating = 0;
11179 dummyInfo.blackRating = 0;
11180 FREE(dummyInfo.date); dummyInfo.date = NULL;
11181 fseek(f, lg->offset, 0);
11183 CopyBoard(boards[scratch], initialPosition); // default start position
11185 yyboardindex = scratch + (plyNr&1);
11191 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11193 ParsePGNTag(yy_text, &dummyInfo); // this has a bad memory leak...
11194 if(dummyInfo.fen) ParseFEN(boards[scratch], &btm, dummyInfo.fen), free(dummyInfo.fen), dummyInfo.fen = NULL;
11196 // do it ourselves avoiding malloc
11197 { char *p = yy_text+1, *q;
11198 while(!isdigit(*p) && !isalpha(*p)) p++;
11199 q = p; while(*p != ' ' && *p != '\t' && *p != '\n') p++;
11201 if(!StrCaseCmp(q, "Date") && (p = strchr(p+1, '"'))) { if(atoi(p+1) < appData.dateThreshold) return -1; } else
11202 if(!StrCaseCmp(q, "Variant") && (p = strchr(p+1, '"'))) dummyInfo.variant = StringToVariant(p+1); else
11203 if(!StrCaseCmp(q, "WhiteElo") && (p = strchr(p+1, '"'))) dummyInfo.whiteRating = atoi(p+1); else
11204 if(!StrCaseCmp(q, "BlackElo") && (p = strchr(p+1, '"'))) dummyInfo.blackRating = atoi(p+1); else
11205 if(!StrCaseCmp(q, "WhiteUSCF") && (p = strchr(p+1, '"'))) dummyInfo.whiteRating = atoi(p+1); else
11206 if(!StrCaseCmp(q, "BlackUSCF") && (p = strchr(p+1, '"'))) dummyInfo.blackRating = atoi(p+1); else
11207 if(!StrCaseCmp(q, "FEN") && (p = strchr(p+1, '"'))) ParseFEN(boards[scratch], &btm, p+1);
11215 if(plyNr) return -1; // after we have seen moves, this is for new game
11218 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11219 case ImpossibleMove:
11220 case WhiteWins: // game ends here with these four
11223 case GameUnfinished:
11227 if(appData.testLegality) return -1;
11228 case WhiteCapturesEnPassant:
11229 case BlackCapturesEnPassant:
11230 case WhitePromotion:
11231 case BlackPromotion:
11232 case WhiteNonPromotion:
11233 case BlackNonPromotion:
11235 case WhiteKingSideCastle:
11236 case WhiteQueenSideCastle:
11237 case BlackKingSideCastle:
11238 case BlackQueenSideCastle:
11239 case WhiteKingSideCastleWild:
11240 case WhiteQueenSideCastleWild:
11241 case BlackKingSideCastleWild:
11242 case BlackQueenSideCastleWild:
11243 case WhiteHSideCastleFR:
11244 case WhiteASideCastleFR:
11245 case BlackHSideCastleFR:
11246 case BlackASideCastleFR:
11247 fromX = currentMoveString[0] - AAA;
11248 fromY = currentMoveString[1] - ONE;
11249 toX = currentMoveString[2] - AAA;
11250 toY = currentMoveString[3] - ONE;
11251 promoChar = currentMoveString[4];
11255 fromX = next == WhiteDrop ?
11256 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11257 (int) CharToPiece(ToLower(currentMoveString[0]));
11259 toX = currentMoveString[2] - AAA;
11260 toY = currentMoveString[3] - ONE;
11263 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11264 if(plyNr == 0) { // but first figure out variant and initial position
11265 if(dummyInfo.variant != gameInfo.variant) return -1; // wrong variant
11266 if(appData.eloThreshold1 && (dummyInfo.whiteRating < appData.eloThreshold1 && dummyInfo.blackRating < appData.eloThreshold1)) return -1;
11267 if(appData.eloThreshold2 && (dummyInfo.whiteRating < appData.eloThreshold2 || dummyInfo.blackRating < appData.eloThreshold2)) return -1;
11268 if(appData.dateThreshold && (!dummyInfo.date || atoi(dummyInfo.date) < appData.dateThreshold)) return -1;
11269 if(btm) CopyBoard(boards[scratch+1], boards[scratch]), plyNr++;
11270 if(PositionMatches(boards[scratch + plyNr], boards[currentMove])) return plyNr;
11272 CopyBoard(boards[scratch + (plyNr+1&1)], boards[scratch + (plyNr&1)]);
11274 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch + (plyNr&1)]);
11275 if(PositionMatches(boards[scratch + (plyNr&1)], boards[currentMove])) return plyNr;
11279 /* Load the nth game from open file f */
11281 LoadGame(f, gameNumber, title, useList)
11289 int gn = gameNumber;
11290 ListGame *lg = NULL;
11291 int numPGNTags = 0;
11293 GameMode oldGameMode;
11294 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11296 if (appData.debugMode)
11297 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11299 if (gameMode == Training )
11300 SetTrainingModeOff();
11302 oldGameMode = gameMode;
11303 if (gameMode != BeginningOfGame) {
11304 Reset(FALSE, TRUE);
11308 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11309 fclose(lastLoadGameFP);
11313 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11316 fseek(f, lg->offset, 0);
11317 GameListHighlight(gameNumber);
11318 pos = lg->position;
11322 DisplayError(_("Game number out of range"), 0);
11327 if (fseek(f, 0, 0) == -1) {
11328 if (f == lastLoadGameFP ?
11329 gameNumber == lastLoadGameNumber + 1 :
11333 DisplayError(_("Can't seek on game file"), 0);
11338 lastLoadGameFP = f;
11339 lastLoadGameNumber = gameNumber;
11340 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11341 lastLoadGameUseList = useList;
11345 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11346 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11347 lg->gameInfo.black);
11349 } else if (*title != NULLCHAR) {
11350 if (gameNumber > 1) {
11351 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11354 DisplayTitle(title);
11358 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11359 gameMode = PlayFromGameFile;
11363 currentMove = forwardMostMove = backwardMostMove = 0;
11364 CopyBoard(boards[0], initialPosition);
11368 * Skip the first gn-1 games in the file.
11369 * Also skip over anything that precedes an identifiable
11370 * start of game marker, to avoid being confused by
11371 * garbage at the start of the file. Currently
11372 * recognized start of game markers are the move number "1",
11373 * the pattern "gnuchess .* game", the pattern
11374 * "^[#;%] [^ ]* game file", and a PGN tag block.
11375 * A game that starts with one of the latter two patterns
11376 * will also have a move number 1, possibly
11377 * following a position diagram.
11378 * 5-4-02: Let's try being more lenient and allowing a game to
11379 * start with an unnumbered move. Does that break anything?
11381 cm = lastLoadGameStart = EndOfFile;
11383 yyboardindex = forwardMostMove;
11384 cm = (ChessMove) Myylex();
11387 if (cmailMsgLoaded) {
11388 nCmailGames = CMAIL_MAX_GAMES - gn;
11391 DisplayError(_("Game not found in file"), 0);
11398 lastLoadGameStart = cm;
11401 case MoveNumberOne:
11402 switch (lastLoadGameStart) {
11407 case MoveNumberOne:
11409 gn--; /* count this game */
11410 lastLoadGameStart = cm;
11419 switch (lastLoadGameStart) {
11422 case MoveNumberOne:
11424 gn--; /* count this game */
11425 lastLoadGameStart = cm;
11428 lastLoadGameStart = cm; /* game counted already */
11436 yyboardindex = forwardMostMove;
11437 cm = (ChessMove) Myylex();
11438 } while (cm == PGNTag || cm == Comment);
11445 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11446 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11447 != CMAIL_OLD_RESULT) {
11449 cmailResult[ CMAIL_MAX_GAMES
11450 - gn - 1] = CMAIL_OLD_RESULT;
11456 /* Only a NormalMove can be at the start of a game
11457 * without a position diagram. */
11458 if (lastLoadGameStart == EndOfFile ) {
11460 lastLoadGameStart = MoveNumberOne;
11469 if (appData.debugMode)
11470 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11472 if (cm == XBoardGame) {
11473 /* Skip any header junk before position diagram and/or move 1 */
11475 yyboardindex = forwardMostMove;
11476 cm = (ChessMove) Myylex();
11478 if (cm == EndOfFile ||
11479 cm == GNUChessGame || cm == XBoardGame) {
11480 /* Empty game; pretend end-of-file and handle later */
11485 if (cm == MoveNumberOne || cm == PositionDiagram ||
11486 cm == PGNTag || cm == Comment)
11489 } else if (cm == GNUChessGame) {
11490 if (gameInfo.event != NULL) {
11491 free(gameInfo.event);
11493 gameInfo.event = StrSave(yy_text);
11496 startedFromSetupPosition = FALSE;
11497 while (cm == PGNTag) {
11498 if (appData.debugMode)
11499 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11500 err = ParsePGNTag(yy_text, &gameInfo);
11501 if (!err) numPGNTags++;
11503 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11504 if(gameInfo.variant != oldVariant) {
11505 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11506 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11507 InitPosition(TRUE);
11508 oldVariant = gameInfo.variant;
11509 if (appData.debugMode)
11510 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11514 if (gameInfo.fen != NULL) {
11515 Board initial_position;
11516 startedFromSetupPosition = TRUE;
11517 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11519 DisplayError(_("Bad FEN position in file"), 0);
11522 CopyBoard(boards[0], initial_position);
11523 if (blackPlaysFirst) {
11524 currentMove = forwardMostMove = backwardMostMove = 1;
11525 CopyBoard(boards[1], initial_position);
11526 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11527 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11528 timeRemaining[0][1] = whiteTimeRemaining;
11529 timeRemaining[1][1] = blackTimeRemaining;
11530 if (commentList[0] != NULL) {
11531 commentList[1] = commentList[0];
11532 commentList[0] = NULL;
11535 currentMove = forwardMostMove = backwardMostMove = 0;
11537 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11539 initialRulePlies = FENrulePlies;
11540 for( i=0; i< nrCastlingRights; i++ )
11541 initialRights[i] = initial_position[CASTLING][i];
11543 yyboardindex = forwardMostMove;
11544 free(gameInfo.fen);
11545 gameInfo.fen = NULL;
11548 yyboardindex = forwardMostMove;
11549 cm = (ChessMove) Myylex();
11551 /* Handle comments interspersed among the tags */
11552 while (cm == Comment) {
11554 if (appData.debugMode)
11555 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11557 AppendComment(currentMove, p, FALSE);
11558 yyboardindex = forwardMostMove;
11559 cm = (ChessMove) Myylex();
11563 /* don't rely on existence of Event tag since if game was
11564 * pasted from clipboard the Event tag may not exist
11566 if (numPGNTags > 0){
11568 if (gameInfo.variant == VariantNormal) {
11569 VariantClass v = StringToVariant(gameInfo.event);
11570 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11571 if(v < VariantShogi) gameInfo.variant = v;
11574 if( appData.autoDisplayTags ) {
11575 tags = PGNTags(&gameInfo);
11576 TagsPopUp(tags, CmailMsg());
11581 /* Make something up, but don't display it now */
11586 if (cm == PositionDiagram) {
11589 Board initial_position;
11591 if (appData.debugMode)
11592 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11594 if (!startedFromSetupPosition) {
11596 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11597 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11608 initial_position[i][j++] = CharToPiece(*p);
11611 while (*p == ' ' || *p == '\t' ||
11612 *p == '\n' || *p == '\r') p++;
11614 if (strncmp(p, "black", strlen("black"))==0)
11615 blackPlaysFirst = TRUE;
11617 blackPlaysFirst = FALSE;
11618 startedFromSetupPosition = TRUE;
11620 CopyBoard(boards[0], initial_position);
11621 if (blackPlaysFirst) {
11622 currentMove = forwardMostMove = backwardMostMove = 1;
11623 CopyBoard(boards[1], initial_position);
11624 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11625 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11626 timeRemaining[0][1] = whiteTimeRemaining;
11627 timeRemaining[1][1] = blackTimeRemaining;
11628 if (commentList[0] != NULL) {
11629 commentList[1] = commentList[0];
11630 commentList[0] = NULL;
11633 currentMove = forwardMostMove = backwardMostMove = 0;
11636 yyboardindex = forwardMostMove;
11637 cm = (ChessMove) Myylex();
11640 if (first.pr == NoProc) {
11641 StartChessProgram(&first);
11643 InitChessProgram(&first, FALSE);
11644 SendToProgram("force\n", &first);
11645 if (startedFromSetupPosition) {
11646 SendBoard(&first, forwardMostMove);
11647 if (appData.debugMode) {
11648 fprintf(debugFP, "Load Game\n");
11650 DisplayBothClocks();
11653 /* [HGM] server: flag to write setup moves in broadcast file as one */
11654 loadFlag = appData.suppressLoadMoves;
11656 while (cm == Comment) {
11658 if (appData.debugMode)
11659 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11661 AppendComment(currentMove, p, FALSE);
11662 yyboardindex = forwardMostMove;
11663 cm = (ChessMove) Myylex();
11666 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11667 cm == WhiteWins || cm == BlackWins ||
11668 cm == GameIsDrawn || cm == GameUnfinished) {
11669 DisplayMessage("", _("No moves in game"));
11670 if (cmailMsgLoaded) {
11671 if (appData.debugMode)
11672 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11676 DrawPosition(FALSE, boards[currentMove]);
11677 DisplayBothClocks();
11678 gameMode = EditGame;
11685 // [HGM] PV info: routine tests if comment empty
11686 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11687 DisplayComment(currentMove - 1, commentList[currentMove]);
11689 if (!matchMode && appData.timeDelay != 0)
11690 DrawPosition(FALSE, boards[currentMove]);
11692 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11693 programStats.ok_to_send = 1;
11696 /* if the first token after the PGN tags is a move
11697 * and not move number 1, retrieve it from the parser
11699 if (cm != MoveNumberOne)
11700 LoadGameOneMove(cm);
11702 /* load the remaining moves from the file */
11703 while (LoadGameOneMove(EndOfFile)) {
11704 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11705 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11708 /* rewind to the start of the game */
11709 currentMove = backwardMostMove;
11711 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11713 if (oldGameMode == AnalyzeFile ||
11714 oldGameMode == AnalyzeMode) {
11715 AnalyzeFileEvent();
11718 if (!matchMode && pos >= 0) {
11719 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11721 if (matchMode || appData.timeDelay == 0) {
11723 } else if (appData.timeDelay > 0) {
11724 AutoPlayGameLoop();
11727 if (appData.debugMode)
11728 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11730 loadFlag = 0; /* [HGM] true game starts */
11734 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11736 ReloadPosition(offset)
11739 int positionNumber = lastLoadPositionNumber + offset;
11740 if (lastLoadPositionFP == NULL) {
11741 DisplayError(_("No position has been loaded yet"), 0);
11744 if (positionNumber <= 0) {
11745 DisplayError(_("Can't back up any further"), 0);
11748 return LoadPosition(lastLoadPositionFP, positionNumber,
11749 lastLoadPositionTitle);
11752 /* Load the nth position from the given file */
11754 LoadPositionFromFile(filename, n, title)
11762 if (strcmp(filename, "-") == 0) {
11763 return LoadPosition(stdin, n, "stdin");
11765 f = fopen(filename, "rb");
11767 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11768 DisplayError(buf, errno);
11771 return LoadPosition(f, n, title);
11776 /* Load the nth position from the given open file, and close it */
11778 LoadPosition(f, positionNumber, title)
11780 int positionNumber;
11783 char *p, line[MSG_SIZ];
11784 Board initial_position;
11785 int i, j, fenMode, pn;
11787 if (gameMode == Training )
11788 SetTrainingModeOff();
11790 if (gameMode != BeginningOfGame) {
11791 Reset(FALSE, TRUE);
11793 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11794 fclose(lastLoadPositionFP);
11796 if (positionNumber == 0) positionNumber = 1;
11797 lastLoadPositionFP = f;
11798 lastLoadPositionNumber = positionNumber;
11799 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11800 if (first.pr == NoProc) {
11801 StartChessProgram(&first);
11802 InitChessProgram(&first, FALSE);
11804 pn = positionNumber;
11805 if (positionNumber < 0) {
11806 /* Negative position number means to seek to that byte offset */
11807 if (fseek(f, -positionNumber, 0) == -1) {
11808 DisplayError(_("Can't seek on position file"), 0);
11813 if (fseek(f, 0, 0) == -1) {
11814 if (f == lastLoadPositionFP ?
11815 positionNumber == lastLoadPositionNumber + 1 :
11816 positionNumber == 1) {
11819 DisplayError(_("Can't seek on position file"), 0);
11824 /* See if this file is FEN or old-style xboard */
11825 if (fgets(line, MSG_SIZ, f) == NULL) {
11826 DisplayError(_("Position not found in file"), 0);
11829 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11830 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11833 if (fenMode || line[0] == '#') pn--;
11835 /* skip positions before number pn */
11836 if (fgets(line, MSG_SIZ, f) == NULL) {
11838 DisplayError(_("Position not found in file"), 0);
11841 if (fenMode || line[0] == '#') pn--;
11846 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11847 DisplayError(_("Bad FEN position in file"), 0);
11851 (void) fgets(line, MSG_SIZ, f);
11852 (void) fgets(line, MSG_SIZ, f);
11854 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11855 (void) fgets(line, MSG_SIZ, f);
11856 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11859 initial_position[i][j++] = CharToPiece(*p);
11863 blackPlaysFirst = FALSE;
11865 (void) fgets(line, MSG_SIZ, f);
11866 if (strncmp(line, "black", strlen("black"))==0)
11867 blackPlaysFirst = TRUE;
11870 startedFromSetupPosition = TRUE;
11872 SendToProgram("force\n", &first);
11873 CopyBoard(boards[0], initial_position);
11874 if (blackPlaysFirst) {
11875 currentMove = forwardMostMove = backwardMostMove = 1;
11876 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11877 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11878 CopyBoard(boards[1], initial_position);
11879 DisplayMessage("", _("Black to play"));
11881 currentMove = forwardMostMove = backwardMostMove = 0;
11882 DisplayMessage("", _("White to play"));
11884 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11885 SendBoard(&first, forwardMostMove);
11886 if (appData.debugMode) {
11888 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11889 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11890 fprintf(debugFP, "Load Position\n");
11893 if (positionNumber > 1) {
11894 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11895 DisplayTitle(line);
11897 DisplayTitle(title);
11899 gameMode = EditGame;
11902 timeRemaining[0][1] = whiteTimeRemaining;
11903 timeRemaining[1][1] = blackTimeRemaining;
11904 DrawPosition(FALSE, boards[currentMove]);
11911 CopyPlayerNameIntoFileName(dest, src)
11914 while (*src != NULLCHAR && *src != ',') {
11919 *(*dest)++ = *src++;
11924 char *DefaultFileName(ext)
11927 static char def[MSG_SIZ];
11930 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11932 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11934 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11936 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11943 /* Save the current game to the given file */
11945 SaveGameToFile(filename, append)
11953 if (strcmp(filename, "-") == 0) {
11954 return SaveGame(stdout, 0, NULL);
11956 f = fopen(filename, append ? "a" : "w");
11958 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11959 DisplayError(buf, errno);
11962 safeStrCpy(buf, lastMsg, MSG_SIZ);
11963 DisplayMessage(_("Waiting for access to save file"), "");
11964 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11965 DisplayMessage(_("Saving game"), "");
11966 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11967 result = SaveGame(f, 0, NULL);
11968 DisplayMessage(buf, "");
11978 static char buf[MSG_SIZ];
11981 p = strchr(str, ' ');
11982 if (p == NULL) return str;
11983 strncpy(buf, str, p - str);
11984 buf[p - str] = NULLCHAR;
11988 #define PGN_MAX_LINE 75
11990 #define PGN_SIDE_WHITE 0
11991 #define PGN_SIDE_BLACK 1
11994 static int FindFirstMoveOutOfBook( int side )
11998 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11999 int index = backwardMostMove;
12000 int has_book_hit = 0;
12002 if( (index % 2) != side ) {
12006 while( index < forwardMostMove ) {
12007 /* Check to see if engine is in book */
12008 int depth = pvInfoList[index].depth;
12009 int score = pvInfoList[index].score;
12015 else if( score == 0 && depth == 63 ) {
12016 in_book = 1; /* Zappa */
12018 else if( score == 2 && depth == 99 ) {
12019 in_book = 1; /* Abrok */
12022 has_book_hit += in_book;
12038 void GetOutOfBookInfo( char * buf )
12042 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12044 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12045 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12049 if( oob[0] >= 0 || oob[1] >= 0 ) {
12050 for( i=0; i<2; i++ ) {
12054 if( i > 0 && oob[0] >= 0 ) {
12055 strcat( buf, " " );
12058 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12059 sprintf( buf+strlen(buf), "%s%.2f",
12060 pvInfoList[idx].score >= 0 ? "+" : "",
12061 pvInfoList[idx].score / 100.0 );
12067 /* Save game in PGN style and close the file */
12072 int i, offset, linelen, newblock;
12076 int movelen, numlen, blank;
12077 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12079 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12081 tm = time((time_t *) NULL);
12083 PrintPGNTags(f, &gameInfo);
12085 if (backwardMostMove > 0 || startedFromSetupPosition) {
12086 char *fen = PositionToFEN(backwardMostMove, NULL);
12087 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12088 fprintf(f, "\n{--------------\n");
12089 PrintPosition(f, backwardMostMove);
12090 fprintf(f, "--------------}\n");
12094 /* [AS] Out of book annotation */
12095 if( appData.saveOutOfBookInfo ) {
12098 GetOutOfBookInfo( buf );
12100 if( buf[0] != '\0' ) {
12101 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12108 i = backwardMostMove;
12112 while (i < forwardMostMove) {
12113 /* Print comments preceding this move */
12114 if (commentList[i] != NULL) {
12115 if (linelen > 0) fprintf(f, "\n");
12116 fprintf(f, "%s", commentList[i]);
12121 /* Format move number */
12123 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12126 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12128 numtext[0] = NULLCHAR;
12130 numlen = strlen(numtext);
12133 /* Print move number */
12134 blank = linelen > 0 && numlen > 0;
12135 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12144 fprintf(f, "%s", numtext);
12148 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12149 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12152 blank = linelen > 0 && movelen > 0;
12153 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12162 fprintf(f, "%s", move_buffer);
12163 linelen += movelen;
12165 /* [AS] Add PV info if present */
12166 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12167 /* [HGM] add time */
12168 char buf[MSG_SIZ]; int seconds;
12170 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12176 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12179 seconds = (seconds + 4)/10; // round to full seconds
12181 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12183 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12186 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12187 pvInfoList[i].score >= 0 ? "+" : "",
12188 pvInfoList[i].score / 100.0,
12189 pvInfoList[i].depth,
12192 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12194 /* Print score/depth */
12195 blank = linelen > 0 && movelen > 0;
12196 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12205 fprintf(f, "%s", move_buffer);
12206 linelen += movelen;
12212 /* Start a new line */
12213 if (linelen > 0) fprintf(f, "\n");
12215 /* Print comments after last move */
12216 if (commentList[i] != NULL) {
12217 fprintf(f, "%s\n", commentList[i]);
12221 if (gameInfo.resultDetails != NULL &&
12222 gameInfo.resultDetails[0] != NULLCHAR) {
12223 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12224 PGNResult(gameInfo.result));
12226 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12230 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12234 /* Save game in old style and close the file */
12236 SaveGameOldStyle(f)
12242 tm = time((time_t *) NULL);
12244 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12247 if (backwardMostMove > 0 || startedFromSetupPosition) {
12248 fprintf(f, "\n[--------------\n");
12249 PrintPosition(f, backwardMostMove);
12250 fprintf(f, "--------------]\n");
12255 i = backwardMostMove;
12256 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12258 while (i < forwardMostMove) {
12259 if (commentList[i] != NULL) {
12260 fprintf(f, "[%s]\n", commentList[i]);
12263 if ((i % 2) == 1) {
12264 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12267 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12269 if (commentList[i] != NULL) {
12273 if (i >= forwardMostMove) {
12277 fprintf(f, "%s\n", parseList[i]);
12282 if (commentList[i] != NULL) {
12283 fprintf(f, "[%s]\n", commentList[i]);
12286 /* This isn't really the old style, but it's close enough */
12287 if (gameInfo.resultDetails != NULL &&
12288 gameInfo.resultDetails[0] != NULLCHAR) {
12289 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12290 gameInfo.resultDetails);
12292 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12299 /* Save the current game to open file f and close the file */
12301 SaveGame(f, dummy, dummy2)
12306 if (gameMode == EditPosition) EditPositionDone(TRUE);
12307 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12308 if (appData.oldSaveStyle)
12309 return SaveGameOldStyle(f);
12311 return SaveGamePGN(f);
12314 /* Save the current position to the given file */
12316 SavePositionToFile(filename)
12322 if (strcmp(filename, "-") == 0) {
12323 return SavePosition(stdout, 0, NULL);
12325 f = fopen(filename, "a");
12327 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12328 DisplayError(buf, errno);
12331 safeStrCpy(buf, lastMsg, MSG_SIZ);
12332 DisplayMessage(_("Waiting for access to save file"), "");
12333 flock(fileno(f), LOCK_EX); // [HGM] lock
12334 DisplayMessage(_("Saving position"), "");
12335 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12336 SavePosition(f, 0, NULL);
12337 DisplayMessage(buf, "");
12343 /* Save the current position to the given open file and close the file */
12345 SavePosition(f, dummy, dummy2)
12353 if (gameMode == EditPosition) EditPositionDone(TRUE);
12354 if (appData.oldSaveStyle) {
12355 tm = time((time_t *) NULL);
12357 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12359 fprintf(f, "[--------------\n");
12360 PrintPosition(f, currentMove);
12361 fprintf(f, "--------------]\n");
12363 fen = PositionToFEN(currentMove, NULL);
12364 fprintf(f, "%s\n", fen);
12372 ReloadCmailMsgEvent(unregister)
12376 static char *inFilename = NULL;
12377 static char *outFilename;
12379 struct stat inbuf, outbuf;
12382 /* Any registered moves are unregistered if unregister is set, */
12383 /* i.e. invoked by the signal handler */
12385 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12386 cmailMoveRegistered[i] = FALSE;
12387 if (cmailCommentList[i] != NULL) {
12388 free(cmailCommentList[i]);
12389 cmailCommentList[i] = NULL;
12392 nCmailMovesRegistered = 0;
12395 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12396 cmailResult[i] = CMAIL_NOT_RESULT;
12400 if (inFilename == NULL) {
12401 /* Because the filenames are static they only get malloced once */
12402 /* and they never get freed */
12403 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12404 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12406 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12407 sprintf(outFilename, "%s.out", appData.cmailGameName);
12410 status = stat(outFilename, &outbuf);
12412 cmailMailedMove = FALSE;
12414 status = stat(inFilename, &inbuf);
12415 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12418 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12419 counts the games, notes how each one terminated, etc.
12421 It would be nice to remove this kludge and instead gather all
12422 the information while building the game list. (And to keep it
12423 in the game list nodes instead of having a bunch of fixed-size
12424 parallel arrays.) Note this will require getting each game's
12425 termination from the PGN tags, as the game list builder does
12426 not process the game moves. --mann
12428 cmailMsgLoaded = TRUE;
12429 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12431 /* Load first game in the file or popup game menu */
12432 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12434 #endif /* !WIN32 */
12442 char string[MSG_SIZ];
12444 if ( cmailMailedMove
12445 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12446 return TRUE; /* Allow free viewing */
12449 /* Unregister move to ensure that we don't leave RegisterMove */
12450 /* with the move registered when the conditions for registering no */
12452 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12453 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12454 nCmailMovesRegistered --;
12456 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12458 free(cmailCommentList[lastLoadGameNumber - 1]);
12459 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12463 if (cmailOldMove == -1) {
12464 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12468 if (currentMove > cmailOldMove + 1) {
12469 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12473 if (currentMove < cmailOldMove) {
12474 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12478 if (forwardMostMove > currentMove) {
12479 /* Silently truncate extra moves */
12483 if ( (currentMove == cmailOldMove + 1)
12484 || ( (currentMove == cmailOldMove)
12485 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12486 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12487 if (gameInfo.result != GameUnfinished) {
12488 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12491 if (commentList[currentMove] != NULL) {
12492 cmailCommentList[lastLoadGameNumber - 1]
12493 = StrSave(commentList[currentMove]);
12495 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12497 if (appData.debugMode)
12498 fprintf(debugFP, "Saving %s for game %d\n",
12499 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12501 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12503 f = fopen(string, "w");
12504 if (appData.oldSaveStyle) {
12505 SaveGameOldStyle(f); /* also closes the file */
12507 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12508 f = fopen(string, "w");
12509 SavePosition(f, 0, NULL); /* also closes the file */
12511 fprintf(f, "{--------------\n");
12512 PrintPosition(f, currentMove);
12513 fprintf(f, "--------------}\n\n");
12515 SaveGame(f, 0, NULL); /* also closes the file*/
12518 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12519 nCmailMovesRegistered ++;
12520 } else if (nCmailGames == 1) {
12521 DisplayError(_("You have not made a move yet"), 0);
12532 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12533 FILE *commandOutput;
12534 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12535 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12541 if (! cmailMsgLoaded) {
12542 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12546 if (nCmailGames == nCmailResults) {
12547 DisplayError(_("No unfinished games"), 0);
12551 #if CMAIL_PROHIBIT_REMAIL
12552 if (cmailMailedMove) {
12553 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);
12554 DisplayError(msg, 0);
12559 if (! (cmailMailedMove || RegisterMove())) return;
12561 if ( cmailMailedMove
12562 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12563 snprintf(string, MSG_SIZ, partCommandString,
12564 appData.debugMode ? " -v" : "", appData.cmailGameName);
12565 commandOutput = popen(string, "r");
12567 if (commandOutput == NULL) {
12568 DisplayError(_("Failed to invoke cmail"), 0);
12570 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12571 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12573 if (nBuffers > 1) {
12574 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12575 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12576 nBytes = MSG_SIZ - 1;
12578 (void) memcpy(msg, buffer, nBytes);
12580 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12582 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12583 cmailMailedMove = TRUE; /* Prevent >1 moves */
12586 for (i = 0; i < nCmailGames; i ++) {
12587 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12592 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12594 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12596 appData.cmailGameName,
12598 LoadGameFromFile(buffer, 1, buffer, FALSE);
12599 cmailMsgLoaded = FALSE;
12603 DisplayInformation(msg);
12604 pclose(commandOutput);
12607 if ((*cmailMsg) != '\0') {
12608 DisplayInformation(cmailMsg);
12613 #endif /* !WIN32 */
12622 int prependComma = 0;
12624 char string[MSG_SIZ]; /* Space for game-list */
12627 if (!cmailMsgLoaded) return "";
12629 if (cmailMailedMove) {
12630 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12632 /* Create a list of games left */
12633 snprintf(string, MSG_SIZ, "[");
12634 for (i = 0; i < nCmailGames; i ++) {
12635 if (! ( cmailMoveRegistered[i]
12636 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12637 if (prependComma) {
12638 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12640 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12644 strcat(string, number);
12647 strcat(string, "]");
12649 if (nCmailMovesRegistered + nCmailResults == 0) {
12650 switch (nCmailGames) {
12652 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12656 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12660 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12665 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12667 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12672 if (nCmailResults == nCmailGames) {
12673 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12675 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12680 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12692 if (gameMode == Training)
12693 SetTrainingModeOff();
12696 cmailMsgLoaded = FALSE;
12697 if (appData.icsActive) {
12698 SendToICS(ics_prefix);
12699 SendToICS("refresh\n");
12709 /* Give up on clean exit */
12713 /* Keep trying for clean exit */
12717 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12719 if (telnetISR != NULL) {
12720 RemoveInputSource(telnetISR);
12722 if (icsPR != NoProc) {
12723 DestroyChildProcess(icsPR, TRUE);
12726 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12727 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12729 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12730 /* make sure this other one finishes before killing it! */
12731 if(endingGame) { int count = 0;
12732 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12733 while(endingGame && count++ < 10) DoSleep(1);
12734 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12737 /* Kill off chess programs */
12738 if (first.pr != NoProc) {
12741 DoSleep( appData.delayBeforeQuit );
12742 SendToProgram("quit\n", &first);
12743 DoSleep( appData.delayAfterQuit );
12744 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12746 if (second.pr != NoProc) {
12747 DoSleep( appData.delayBeforeQuit );
12748 SendToProgram("quit\n", &second);
12749 DoSleep( appData.delayAfterQuit );
12750 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12752 if (first.isr != NULL) {
12753 RemoveInputSource(first.isr);
12755 if (second.isr != NULL) {
12756 RemoveInputSource(second.isr);
12759 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12760 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12762 ShutDownFrontEnd();
12769 if (appData.debugMode)
12770 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12774 if (gameMode == MachinePlaysWhite ||
12775 gameMode == MachinePlaysBlack) {
12778 DisplayBothClocks();
12780 if (gameMode == PlayFromGameFile) {
12781 if (appData.timeDelay >= 0)
12782 AutoPlayGameLoop();
12783 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12784 Reset(FALSE, TRUE);
12785 SendToICS(ics_prefix);
12786 SendToICS("refresh\n");
12787 } else if (currentMove < forwardMostMove) {
12788 ForwardInner(forwardMostMove);
12790 pauseExamInvalid = FALSE;
12792 switch (gameMode) {
12796 pauseExamForwardMostMove = forwardMostMove;
12797 pauseExamInvalid = FALSE;
12800 case IcsPlayingWhite:
12801 case IcsPlayingBlack:
12805 case PlayFromGameFile:
12806 (void) StopLoadGameTimer();
12810 case BeginningOfGame:
12811 if (appData.icsActive) return;
12812 /* else fall through */
12813 case MachinePlaysWhite:
12814 case MachinePlaysBlack:
12815 case TwoMachinesPlay:
12816 if (forwardMostMove == 0)
12817 return; /* don't pause if no one has moved */
12818 if ((gameMode == MachinePlaysWhite &&
12819 !WhiteOnMove(forwardMostMove)) ||
12820 (gameMode == MachinePlaysBlack &&
12821 WhiteOnMove(forwardMostMove))) {
12834 char title[MSG_SIZ];
12836 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12837 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12839 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12840 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12841 parseList[currentMove - 1]);
12844 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12851 char *tags = PGNTags(&gameInfo);
12853 EditTagsPopUp(tags, NULL);
12860 if (appData.noChessProgram || gameMode == AnalyzeMode)
12863 if (gameMode != AnalyzeFile) {
12864 if (!appData.icsEngineAnalyze) {
12866 if (gameMode != EditGame) return;
12868 ResurrectChessProgram();
12869 SendToProgram("analyze\n", &first);
12870 first.analyzing = TRUE;
12871 /*first.maybeThinking = TRUE;*/
12872 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12873 EngineOutputPopUp();
12875 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12880 StartAnalysisClock();
12881 GetTimeMark(&lastNodeCountTime);
12888 if (appData.noChessProgram || gameMode == AnalyzeFile)
12891 if (gameMode != AnalyzeMode) {
12893 if (gameMode != EditGame) return;
12894 ResurrectChessProgram();
12895 SendToProgram("analyze\n", &first);
12896 first.analyzing = TRUE;
12897 /*first.maybeThinking = TRUE;*/
12898 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12899 EngineOutputPopUp();
12901 gameMode = AnalyzeFile;
12906 StartAnalysisClock();
12907 GetTimeMark(&lastNodeCountTime);
12909 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
12913 MachineWhiteEvent()
12916 char *bookHit = NULL;
12918 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12922 if (gameMode == PlayFromGameFile ||
12923 gameMode == TwoMachinesPlay ||
12924 gameMode == Training ||
12925 gameMode == AnalyzeMode ||
12926 gameMode == EndOfGame)
12929 if (gameMode == EditPosition)
12930 EditPositionDone(TRUE);
12932 if (!WhiteOnMove(currentMove)) {
12933 DisplayError(_("It is not White's turn"), 0);
12937 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12940 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12941 gameMode == AnalyzeFile)
12944 ResurrectChessProgram(); /* in case it isn't running */
12945 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12946 gameMode = MachinePlaysWhite;
12949 gameMode = MachinePlaysWhite;
12953 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12955 if (first.sendName) {
12956 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12957 SendToProgram(buf, &first);
12959 if (first.sendTime) {
12960 if (first.useColors) {
12961 SendToProgram("black\n", &first); /*gnu kludge*/
12963 SendTimeRemaining(&first, TRUE);
12965 if (first.useColors) {
12966 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12968 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12969 SetMachineThinkingEnables();
12970 first.maybeThinking = TRUE;
12974 if (appData.autoFlipView && !flipView) {
12975 flipView = !flipView;
12976 DrawPosition(FALSE, NULL);
12977 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12980 if(bookHit) { // [HGM] book: simulate book reply
12981 static char bookMove[MSG_SIZ]; // a bit generous?
12983 programStats.nodes = programStats.depth = programStats.time =
12984 programStats.score = programStats.got_only_move = 0;
12985 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12987 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12988 strcat(bookMove, bookHit);
12989 HandleMachineMove(bookMove, &first);
12994 MachineBlackEvent()
12997 char *bookHit = NULL;
12999 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13003 if (gameMode == PlayFromGameFile ||
13004 gameMode == TwoMachinesPlay ||
13005 gameMode == Training ||
13006 gameMode == AnalyzeMode ||
13007 gameMode == EndOfGame)
13010 if (gameMode == EditPosition)
13011 EditPositionDone(TRUE);
13013 if (WhiteOnMove(currentMove)) {
13014 DisplayError(_("It is not Black's turn"), 0);
13018 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13021 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13022 gameMode == AnalyzeFile)
13025 ResurrectChessProgram(); /* in case it isn't running */
13026 gameMode = MachinePlaysBlack;
13030 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13032 if (first.sendName) {
13033 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13034 SendToProgram(buf, &first);
13036 if (first.sendTime) {
13037 if (first.useColors) {
13038 SendToProgram("white\n", &first); /*gnu kludge*/
13040 SendTimeRemaining(&first, FALSE);
13042 if (first.useColors) {
13043 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13045 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13046 SetMachineThinkingEnables();
13047 first.maybeThinking = TRUE;
13050 if (appData.autoFlipView && flipView) {
13051 flipView = !flipView;
13052 DrawPosition(FALSE, NULL);
13053 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13055 if(bookHit) { // [HGM] book: simulate book reply
13056 static char bookMove[MSG_SIZ]; // a bit generous?
13058 programStats.nodes = programStats.depth = programStats.time =
13059 programStats.score = programStats.got_only_move = 0;
13060 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13062 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13063 strcat(bookMove, bookHit);
13064 HandleMachineMove(bookMove, &first);
13070 DisplayTwoMachinesTitle()
13073 if (appData.matchGames > 0) {
13074 if(appData.tourneyFile[0]) {
13075 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
13076 gameInfo.white, gameInfo.black,
13077 nextGame+1, appData.matchGames+1,
13078 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13080 if (first.twoMachinesColor[0] == 'w') {
13081 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13082 gameInfo.white, gameInfo.black,
13083 first.matchWins, second.matchWins,
13084 matchGame - 1 - (first.matchWins + second.matchWins));
13086 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13087 gameInfo.white, gameInfo.black,
13088 second.matchWins, first.matchWins,
13089 matchGame - 1 - (first.matchWins + second.matchWins));
13092 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13098 SettingsMenuIfReady()
13100 if (second.lastPing != second.lastPong) {
13101 DisplayMessage("", _("Waiting for second chess program"));
13102 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13106 DisplayMessage("", "");
13107 SettingsPopUp(&second);
13111 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13114 if (cps->pr == NULL) {
13115 StartChessProgram(cps);
13116 if (cps->protocolVersion == 1) {
13119 /* kludge: allow timeout for initial "feature" command */
13121 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13122 DisplayMessage("", buf);
13123 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13131 TwoMachinesEvent P((void))
13135 ChessProgramState *onmove;
13136 char *bookHit = NULL;
13137 static int stalling = 0;
13141 if (appData.noChessProgram) return;
13143 switch (gameMode) {
13144 case TwoMachinesPlay:
13146 case MachinePlaysWhite:
13147 case MachinePlaysBlack:
13148 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13149 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13153 case BeginningOfGame:
13154 case PlayFromGameFile:
13157 if (gameMode != EditGame) return;
13160 EditPositionDone(TRUE);
13171 // forwardMostMove = currentMove;
13172 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13174 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13176 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13177 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13178 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13182 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13183 SendToProgram("force\n", &second);
13185 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13188 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13189 if(appData.matchPause>10000 || appData.matchPause<10)
13190 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13191 wait = SubtractTimeMarks(&now, &pauseStart);
13192 if(wait < appData.matchPause) {
13193 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13197 DisplayMessage("", "");
13198 if (startedFromSetupPosition) {
13199 SendBoard(&second, backwardMostMove);
13200 if (appData.debugMode) {
13201 fprintf(debugFP, "Two Machines\n");
13204 for (i = backwardMostMove; i < forwardMostMove; i++) {
13205 SendMoveToProgram(i, &second);
13208 gameMode = TwoMachinesPlay;
13210 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13212 DisplayTwoMachinesTitle();
13214 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13219 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13220 SendToProgram(first.computerString, &first);
13221 if (first.sendName) {
13222 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13223 SendToProgram(buf, &first);
13225 SendToProgram(second.computerString, &second);
13226 if (second.sendName) {
13227 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13228 SendToProgram(buf, &second);
13232 if (!first.sendTime || !second.sendTime) {
13233 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13234 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13236 if (onmove->sendTime) {
13237 if (onmove->useColors) {
13238 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13240 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13242 if (onmove->useColors) {
13243 SendToProgram(onmove->twoMachinesColor, onmove);
13245 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13246 // SendToProgram("go\n", onmove);
13247 onmove->maybeThinking = TRUE;
13248 SetMachineThinkingEnables();
13252 if(bookHit) { // [HGM] book: simulate book reply
13253 static char bookMove[MSG_SIZ]; // a bit generous?
13255 programStats.nodes = programStats.depth = programStats.time =
13256 programStats.score = programStats.got_only_move = 0;
13257 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13259 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13260 strcat(bookMove, bookHit);
13261 savedMessage = bookMove; // args for deferred call
13262 savedState = onmove;
13263 ScheduleDelayedEvent(DeferredBookMove, 1);
13270 if (gameMode == Training) {
13271 SetTrainingModeOff();
13272 gameMode = PlayFromGameFile;
13273 DisplayMessage("", _("Training mode off"));
13275 gameMode = Training;
13276 animateTraining = appData.animate;
13278 /* make sure we are not already at the end of the game */
13279 if (currentMove < forwardMostMove) {
13280 SetTrainingModeOn();
13281 DisplayMessage("", _("Training mode on"));
13283 gameMode = PlayFromGameFile;
13284 DisplayError(_("Already at end of game"), 0);
13293 if (!appData.icsActive) return;
13294 switch (gameMode) {
13295 case IcsPlayingWhite:
13296 case IcsPlayingBlack:
13299 case BeginningOfGame:
13307 EditPositionDone(TRUE);
13320 gameMode = IcsIdle;
13331 switch (gameMode) {
13333 SetTrainingModeOff();
13335 case MachinePlaysWhite:
13336 case MachinePlaysBlack:
13337 case BeginningOfGame:
13338 SendToProgram("force\n", &first);
13339 SetUserThinkingEnables();
13341 case PlayFromGameFile:
13342 (void) StopLoadGameTimer();
13343 if (gameFileFP != NULL) {
13348 EditPositionDone(TRUE);
13353 SendToProgram("force\n", &first);
13355 case TwoMachinesPlay:
13356 GameEnds(EndOfFile, NULL, GE_PLAYER);
13357 ResurrectChessProgram();
13358 SetUserThinkingEnables();
13361 ResurrectChessProgram();
13363 case IcsPlayingBlack:
13364 case IcsPlayingWhite:
13365 DisplayError(_("Warning: You are still playing a game"), 0);
13368 DisplayError(_("Warning: You are still observing a game"), 0);
13371 DisplayError(_("Warning: You are still examining a game"), 0);
13382 first.offeredDraw = second.offeredDraw = 0;
13384 if (gameMode == PlayFromGameFile) {
13385 whiteTimeRemaining = timeRemaining[0][currentMove];
13386 blackTimeRemaining = timeRemaining[1][currentMove];
13390 if (gameMode == MachinePlaysWhite ||
13391 gameMode == MachinePlaysBlack ||
13392 gameMode == TwoMachinesPlay ||
13393 gameMode == EndOfGame) {
13394 i = forwardMostMove;
13395 while (i > currentMove) {
13396 SendToProgram("undo\n", &first);
13399 whiteTimeRemaining = timeRemaining[0][currentMove];
13400 blackTimeRemaining = timeRemaining[1][currentMove];
13401 DisplayBothClocks();
13402 if (whiteFlag || blackFlag) {
13403 whiteFlag = blackFlag = 0;
13408 gameMode = EditGame;
13415 EditPositionEvent()
13417 if (gameMode == EditPosition) {
13423 if (gameMode != EditGame) return;
13425 gameMode = EditPosition;
13428 if (currentMove > 0)
13429 CopyBoard(boards[0], boards[currentMove]);
13431 blackPlaysFirst = !WhiteOnMove(currentMove);
13433 currentMove = forwardMostMove = backwardMostMove = 0;
13434 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13441 /* [DM] icsEngineAnalyze - possible call from other functions */
13442 if (appData.icsEngineAnalyze) {
13443 appData.icsEngineAnalyze = FALSE;
13445 DisplayMessage("",_("Close ICS engine analyze..."));
13447 if (first.analysisSupport && first.analyzing) {
13448 SendToProgram("exit\n", &first);
13449 first.analyzing = FALSE;
13451 thinkOutput[0] = NULLCHAR;
13455 EditPositionDone(Boolean fakeRights)
13457 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13459 startedFromSetupPosition = TRUE;
13460 InitChessProgram(&first, FALSE);
13461 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13462 boards[0][EP_STATUS] = EP_NONE;
13463 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13464 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13465 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13466 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13467 } else boards[0][CASTLING][2] = NoRights;
13468 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13469 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13470 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13471 } else boards[0][CASTLING][5] = NoRights;
13473 SendToProgram("force\n", &first);
13474 if (blackPlaysFirst) {
13475 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13476 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13477 currentMove = forwardMostMove = backwardMostMove = 1;
13478 CopyBoard(boards[1], boards[0]);
13480 currentMove = forwardMostMove = backwardMostMove = 0;
13482 SendBoard(&first, forwardMostMove);
13483 if (appData.debugMode) {
13484 fprintf(debugFP, "EditPosDone\n");
13487 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13488 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13489 gameMode = EditGame;
13491 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13492 ClearHighlights(); /* [AS] */
13495 /* Pause for `ms' milliseconds */
13496 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13506 } while (SubtractTimeMarks(&m2, &m1) < ms);
13509 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13511 SendMultiLineToICS(buf)
13514 char temp[MSG_SIZ+1], *p;
13521 strncpy(temp, buf, len);
13526 if (*p == '\n' || *p == '\r')
13531 strcat(temp, "\n");
13533 SendToPlayer(temp, strlen(temp));
13537 SetWhiteToPlayEvent()
13539 if (gameMode == EditPosition) {
13540 blackPlaysFirst = FALSE;
13541 DisplayBothClocks(); /* works because currentMove is 0 */
13542 } else if (gameMode == IcsExamining) {
13543 SendToICS(ics_prefix);
13544 SendToICS("tomove white\n");
13549 SetBlackToPlayEvent()
13551 if (gameMode == EditPosition) {
13552 blackPlaysFirst = TRUE;
13553 currentMove = 1; /* kludge */
13554 DisplayBothClocks();
13556 } else if (gameMode == IcsExamining) {
13557 SendToICS(ics_prefix);
13558 SendToICS("tomove black\n");
13563 EditPositionMenuEvent(selection, x, y)
13564 ChessSquare selection;
13568 ChessSquare piece = boards[0][y][x];
13570 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13572 switch (selection) {
13574 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13575 SendToICS(ics_prefix);
13576 SendToICS("bsetup clear\n");
13577 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13578 SendToICS(ics_prefix);
13579 SendToICS("clearboard\n");
13581 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13582 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13583 for (y = 0; y < BOARD_HEIGHT; y++) {
13584 if (gameMode == IcsExamining) {
13585 if (boards[currentMove][y][x] != EmptySquare) {
13586 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13591 boards[0][y][x] = p;
13596 if (gameMode == EditPosition) {
13597 DrawPosition(FALSE, boards[0]);
13602 SetWhiteToPlayEvent();
13606 SetBlackToPlayEvent();
13610 if (gameMode == IcsExamining) {
13611 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13612 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13615 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13616 if(x == BOARD_LEFT-2) {
13617 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13618 boards[0][y][1] = 0;
13620 if(x == BOARD_RGHT+1) {
13621 if(y >= gameInfo.holdingsSize) break;
13622 boards[0][y][BOARD_WIDTH-2] = 0;
13625 boards[0][y][x] = EmptySquare;
13626 DrawPosition(FALSE, boards[0]);
13631 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13632 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13633 selection = (ChessSquare) (PROMOTED piece);
13634 } else if(piece == EmptySquare) selection = WhiteSilver;
13635 else selection = (ChessSquare)((int)piece - 1);
13639 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13640 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13641 selection = (ChessSquare) (DEMOTED piece);
13642 } else if(piece == EmptySquare) selection = BlackSilver;
13643 else selection = (ChessSquare)((int)piece + 1);
13648 if(gameInfo.variant == VariantShatranj ||
13649 gameInfo.variant == VariantXiangqi ||
13650 gameInfo.variant == VariantCourier ||
13651 gameInfo.variant == VariantMakruk )
13652 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13657 if(gameInfo.variant == VariantXiangqi)
13658 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13659 if(gameInfo.variant == VariantKnightmate)
13660 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13663 if (gameMode == IcsExamining) {
13664 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13665 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13666 PieceToChar(selection), AAA + x, ONE + y);
13669 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13671 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13672 n = PieceToNumber(selection - BlackPawn);
13673 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13674 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13675 boards[0][BOARD_HEIGHT-1-n][1]++;
13677 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13678 n = PieceToNumber(selection);
13679 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13680 boards[0][n][BOARD_WIDTH-1] = selection;
13681 boards[0][n][BOARD_WIDTH-2]++;
13684 boards[0][y][x] = selection;
13685 DrawPosition(TRUE, boards[0]);
13693 DropMenuEvent(selection, x, y)
13694 ChessSquare selection;
13697 ChessMove moveType;
13699 switch (gameMode) {
13700 case IcsPlayingWhite:
13701 case MachinePlaysBlack:
13702 if (!WhiteOnMove(currentMove)) {
13703 DisplayMoveError(_("It is Black's turn"));
13706 moveType = WhiteDrop;
13708 case IcsPlayingBlack:
13709 case MachinePlaysWhite:
13710 if (WhiteOnMove(currentMove)) {
13711 DisplayMoveError(_("It is White's turn"));
13714 moveType = BlackDrop;
13717 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13723 if (moveType == BlackDrop && selection < BlackPawn) {
13724 selection = (ChessSquare) ((int) selection
13725 + (int) BlackPawn - (int) WhitePawn);
13727 if (boards[currentMove][y][x] != EmptySquare) {
13728 DisplayMoveError(_("That square is occupied"));
13732 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13738 /* Accept a pending offer of any kind from opponent */
13740 if (appData.icsActive) {
13741 SendToICS(ics_prefix);
13742 SendToICS("accept\n");
13743 } else if (cmailMsgLoaded) {
13744 if (currentMove == cmailOldMove &&
13745 commentList[cmailOldMove] != NULL &&
13746 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13747 "Black offers a draw" : "White offers a draw")) {
13749 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13750 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13752 DisplayError(_("There is no pending offer on this move"), 0);
13753 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13756 /* Not used for offers from chess program */
13763 /* Decline a pending offer of any kind from opponent */
13765 if (appData.icsActive) {
13766 SendToICS(ics_prefix);
13767 SendToICS("decline\n");
13768 } else if (cmailMsgLoaded) {
13769 if (currentMove == cmailOldMove &&
13770 commentList[cmailOldMove] != NULL &&
13771 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13772 "Black offers a draw" : "White offers a draw")) {
13774 AppendComment(cmailOldMove, "Draw declined", TRUE);
13775 DisplayComment(cmailOldMove - 1, "Draw declined");
13778 DisplayError(_("There is no pending offer on this move"), 0);
13781 /* Not used for offers from chess program */
13788 /* Issue ICS rematch command */
13789 if (appData.icsActive) {
13790 SendToICS(ics_prefix);
13791 SendToICS("rematch\n");
13798 /* Call your opponent's flag (claim a win on time) */
13799 if (appData.icsActive) {
13800 SendToICS(ics_prefix);
13801 SendToICS("flag\n");
13803 switch (gameMode) {
13806 case MachinePlaysWhite:
13809 GameEnds(GameIsDrawn, "Both players ran out of time",
13812 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13814 DisplayError(_("Your opponent is not out of time"), 0);
13817 case MachinePlaysBlack:
13820 GameEnds(GameIsDrawn, "Both players ran out of time",
13823 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13825 DisplayError(_("Your opponent is not out of time"), 0);
13833 ClockClick(int which)
13834 { // [HGM] code moved to back-end from winboard.c
13835 if(which) { // black clock
13836 if (gameMode == EditPosition || gameMode == IcsExamining) {
13837 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13838 SetBlackToPlayEvent();
13839 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
13840 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
13841 } else if (shiftKey) {
13842 AdjustClock(which, -1);
13843 } else if (gameMode == IcsPlayingWhite ||
13844 gameMode == MachinePlaysBlack) {
13847 } else { // white clock
13848 if (gameMode == EditPosition || gameMode == IcsExamining) {
13849 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13850 SetWhiteToPlayEvent();
13851 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
13852 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
13853 } else if (shiftKey) {
13854 AdjustClock(which, -1);
13855 } else if (gameMode == IcsPlayingBlack ||
13856 gameMode == MachinePlaysWhite) {
13865 /* Offer draw or accept pending draw offer from opponent */
13867 if (appData.icsActive) {
13868 /* Note: tournament rules require draw offers to be
13869 made after you make your move but before you punch
13870 your clock. Currently ICS doesn't let you do that;
13871 instead, you immediately punch your clock after making
13872 a move, but you can offer a draw at any time. */
13874 SendToICS(ics_prefix);
13875 SendToICS("draw\n");
13876 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13877 } else if (cmailMsgLoaded) {
13878 if (currentMove == cmailOldMove &&
13879 commentList[cmailOldMove] != NULL &&
13880 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13881 "Black offers a draw" : "White offers a draw")) {
13882 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13883 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13884 } else if (currentMove == cmailOldMove + 1) {
13885 char *offer = WhiteOnMove(cmailOldMove) ?
13886 "White offers a draw" : "Black offers a draw";
13887 AppendComment(currentMove, offer, TRUE);
13888 DisplayComment(currentMove - 1, offer);
13889 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13891 DisplayError(_("You must make your move before offering a draw"), 0);
13892 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13894 } else if (first.offeredDraw) {
13895 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13897 if (first.sendDrawOffers) {
13898 SendToProgram("draw\n", &first);
13899 userOfferedDraw = TRUE;
13907 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13909 if (appData.icsActive) {
13910 SendToICS(ics_prefix);
13911 SendToICS("adjourn\n");
13913 /* Currently GNU Chess doesn't offer or accept Adjourns */
13921 /* Offer Abort or accept pending Abort offer from opponent */
13923 if (appData.icsActive) {
13924 SendToICS(ics_prefix);
13925 SendToICS("abort\n");
13927 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13934 /* Resign. You can do this even if it's not your turn. */
13936 if (appData.icsActive) {
13937 SendToICS(ics_prefix);
13938 SendToICS("resign\n");
13940 switch (gameMode) {
13941 case MachinePlaysWhite:
13942 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13944 case MachinePlaysBlack:
13945 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13948 if (cmailMsgLoaded) {
13950 if (WhiteOnMove(cmailOldMove)) {
13951 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13953 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13955 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13966 StopObservingEvent()
13968 /* Stop observing current games */
13969 SendToICS(ics_prefix);
13970 SendToICS("unobserve\n");
13974 StopExaminingEvent()
13976 /* Stop observing current game */
13977 SendToICS(ics_prefix);
13978 SendToICS("unexamine\n");
13982 ForwardInner(target)
13987 if (appData.debugMode)
13988 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13989 target, currentMove, forwardMostMove);
13991 if (gameMode == EditPosition)
13994 if (gameMode == PlayFromGameFile && !pausing)
13997 if (gameMode == IcsExamining && pausing)
13998 limit = pauseExamForwardMostMove;
14000 limit = forwardMostMove;
14002 if (target > limit) target = limit;
14004 if (target > 0 && moveList[target - 1][0]) {
14005 int fromX, fromY, toX, toY;
14006 toX = moveList[target - 1][2] - AAA;
14007 toY = moveList[target - 1][3] - ONE;
14008 if (moveList[target - 1][1] == '@') {
14009 if (appData.highlightLastMove) {
14010 SetHighlights(-1, -1, toX, toY);
14013 fromX = moveList[target - 1][0] - AAA;
14014 fromY = moveList[target - 1][1] - ONE;
14015 if (target == currentMove + 1) {
14016 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14018 if (appData.highlightLastMove) {
14019 SetHighlights(fromX, fromY, toX, toY);
14023 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14024 gameMode == Training || gameMode == PlayFromGameFile ||
14025 gameMode == AnalyzeFile) {
14026 while (currentMove < target) {
14027 SendMoveToProgram(currentMove++, &first);
14030 currentMove = target;
14033 if (gameMode == EditGame || gameMode == EndOfGame) {
14034 whiteTimeRemaining = timeRemaining[0][currentMove];
14035 blackTimeRemaining = timeRemaining[1][currentMove];
14037 DisplayBothClocks();
14038 DisplayMove(currentMove - 1);
14039 DrawPosition(FALSE, boards[currentMove]);
14040 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14041 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14042 DisplayComment(currentMove - 1, commentList[currentMove]);
14044 DisplayBook(currentMove);
14051 if (gameMode == IcsExamining && !pausing) {
14052 SendToICS(ics_prefix);
14053 SendToICS("forward\n");
14055 ForwardInner(currentMove + 1);
14062 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14063 /* to optimze, we temporarily turn off analysis mode while we feed
14064 * the remaining moves to the engine. Otherwise we get analysis output
14067 if (first.analysisSupport) {
14068 SendToProgram("exit\nforce\n", &first);
14069 first.analyzing = FALSE;
14073 if (gameMode == IcsExamining && !pausing) {
14074 SendToICS(ics_prefix);
14075 SendToICS("forward 999999\n");
14077 ForwardInner(forwardMostMove);
14080 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14081 /* we have fed all the moves, so reactivate analysis mode */
14082 SendToProgram("analyze\n", &first);
14083 first.analyzing = TRUE;
14084 /*first.maybeThinking = TRUE;*/
14085 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14090 BackwardInner(target)
14093 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14095 if (appData.debugMode)
14096 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14097 target, currentMove, forwardMostMove);
14099 if (gameMode == EditPosition) return;
14100 if (currentMove <= backwardMostMove) {
14102 DrawPosition(full_redraw, boards[currentMove]);
14105 if (gameMode == PlayFromGameFile && !pausing)
14108 if (moveList[target][0]) {
14109 int fromX, fromY, toX, toY;
14110 toX = moveList[target][2] - AAA;
14111 toY = moveList[target][3] - ONE;
14112 if (moveList[target][1] == '@') {
14113 if (appData.highlightLastMove) {
14114 SetHighlights(-1, -1, toX, toY);
14117 fromX = moveList[target][0] - AAA;
14118 fromY = moveList[target][1] - ONE;
14119 if (target == currentMove - 1) {
14120 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14122 if (appData.highlightLastMove) {
14123 SetHighlights(fromX, fromY, toX, toY);
14127 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14128 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14129 while (currentMove > target) {
14130 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14131 // null move cannot be undone. Reload program with move history before it.
14133 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14134 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14136 SendBoard(&first, i);
14137 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14140 SendToProgram("undo\n", &first);
14144 currentMove = target;
14147 if (gameMode == EditGame || gameMode == EndOfGame) {
14148 whiteTimeRemaining = timeRemaining[0][currentMove];
14149 blackTimeRemaining = timeRemaining[1][currentMove];
14151 DisplayBothClocks();
14152 DisplayMove(currentMove - 1);
14153 DrawPosition(full_redraw, boards[currentMove]);
14154 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14155 // [HGM] PV info: routine tests if comment empty
14156 DisplayComment(currentMove - 1, commentList[currentMove]);
14157 DisplayBook(currentMove);
14163 if (gameMode == IcsExamining && !pausing) {
14164 SendToICS(ics_prefix);
14165 SendToICS("backward\n");
14167 BackwardInner(currentMove - 1);
14174 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14175 /* to optimize, we temporarily turn off analysis mode while we undo
14176 * all the moves. Otherwise we get analysis output after each undo.
14178 if (first.analysisSupport) {
14179 SendToProgram("exit\nforce\n", &first);
14180 first.analyzing = FALSE;
14184 if (gameMode == IcsExamining && !pausing) {
14185 SendToICS(ics_prefix);
14186 SendToICS("backward 999999\n");
14188 BackwardInner(backwardMostMove);
14191 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14192 /* we have fed all the moves, so reactivate analysis mode */
14193 SendToProgram("analyze\n", &first);
14194 first.analyzing = TRUE;
14195 /*first.maybeThinking = TRUE;*/
14196 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14203 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14204 if (to >= forwardMostMove) to = forwardMostMove;
14205 if (to <= backwardMostMove) to = backwardMostMove;
14206 if (to < currentMove) {
14214 RevertEvent(Boolean annotate)
14216 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14219 if (gameMode != IcsExamining) {
14220 DisplayError(_("You are not examining a game"), 0);
14224 DisplayError(_("You can't revert while pausing"), 0);
14227 SendToICS(ics_prefix);
14228 SendToICS("revert\n");
14234 switch (gameMode) {
14235 case MachinePlaysWhite:
14236 case MachinePlaysBlack:
14237 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14238 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14241 if (forwardMostMove < 2) return;
14242 currentMove = forwardMostMove = forwardMostMove - 2;
14243 whiteTimeRemaining = timeRemaining[0][currentMove];
14244 blackTimeRemaining = timeRemaining[1][currentMove];
14245 DisplayBothClocks();
14246 DisplayMove(currentMove - 1);
14247 ClearHighlights();/*!! could figure this out*/
14248 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14249 SendToProgram("remove\n", &first);
14250 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14253 case BeginningOfGame:
14257 case IcsPlayingWhite:
14258 case IcsPlayingBlack:
14259 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14260 SendToICS(ics_prefix);
14261 SendToICS("takeback 2\n");
14263 SendToICS(ics_prefix);
14264 SendToICS("takeback 1\n");
14273 ChessProgramState *cps;
14275 switch (gameMode) {
14276 case MachinePlaysWhite:
14277 if (!WhiteOnMove(forwardMostMove)) {
14278 DisplayError(_("It is your turn"), 0);
14283 case MachinePlaysBlack:
14284 if (WhiteOnMove(forwardMostMove)) {
14285 DisplayError(_("It is your turn"), 0);
14290 case TwoMachinesPlay:
14291 if (WhiteOnMove(forwardMostMove) ==
14292 (first.twoMachinesColor[0] == 'w')) {
14298 case BeginningOfGame:
14302 SendToProgram("?\n", cps);
14306 TruncateGameEvent()
14309 if (gameMode != EditGame) return;
14316 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14317 if (forwardMostMove > currentMove) {
14318 if (gameInfo.resultDetails != NULL) {
14319 free(gameInfo.resultDetails);
14320 gameInfo.resultDetails = NULL;
14321 gameInfo.result = GameUnfinished;
14323 forwardMostMove = currentMove;
14324 HistorySet(parseList, backwardMostMove, forwardMostMove,
14332 if (appData.noChessProgram) return;
14333 switch (gameMode) {
14334 case MachinePlaysWhite:
14335 if (WhiteOnMove(forwardMostMove)) {
14336 DisplayError(_("Wait until your turn"), 0);
14340 case BeginningOfGame:
14341 case MachinePlaysBlack:
14342 if (!WhiteOnMove(forwardMostMove)) {
14343 DisplayError(_("Wait until your turn"), 0);
14348 DisplayError(_("No hint available"), 0);
14351 SendToProgram("hint\n", &first);
14352 hintRequested = TRUE;
14358 if (appData.noChessProgram) return;
14359 switch (gameMode) {
14360 case MachinePlaysWhite:
14361 if (WhiteOnMove(forwardMostMove)) {
14362 DisplayError(_("Wait until your turn"), 0);
14366 case BeginningOfGame:
14367 case MachinePlaysBlack:
14368 if (!WhiteOnMove(forwardMostMove)) {
14369 DisplayError(_("Wait until your turn"), 0);
14374 EditPositionDone(TRUE);
14376 case TwoMachinesPlay:
14381 SendToProgram("bk\n", &first);
14382 bookOutput[0] = NULLCHAR;
14383 bookRequested = TRUE;
14389 char *tags = PGNTags(&gameInfo);
14390 TagsPopUp(tags, CmailMsg());
14394 /* end button procedures */
14397 PrintPosition(fp, move)
14403 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14404 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14405 char c = PieceToChar(boards[move][i][j]);
14406 fputc(c == 'x' ? '.' : c, fp);
14407 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14410 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14411 fprintf(fp, "white to play\n");
14413 fprintf(fp, "black to play\n");
14420 if (gameInfo.white != NULL) {
14421 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14427 /* Find last component of program's own name, using some heuristics */
14429 TidyProgramName(prog, host, buf)
14430 char *prog, *host, buf[MSG_SIZ];
14433 int local = (strcmp(host, "localhost") == 0);
14434 while (!local && (p = strchr(prog, ';')) != NULL) {
14436 while (*p == ' ') p++;
14439 if (*prog == '"' || *prog == '\'') {
14440 q = strchr(prog + 1, *prog);
14442 q = strchr(prog, ' ');
14444 if (q == NULL) q = prog + strlen(prog);
14446 while (p >= prog && *p != '/' && *p != '\\') p--;
14448 if(p == prog && *p == '"') p++;
14449 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14450 memcpy(buf, p, q - p);
14451 buf[q - p] = NULLCHAR;
14459 TimeControlTagValue()
14462 if (!appData.clockMode) {
14463 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14464 } else if (movesPerSession > 0) {
14465 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14466 } else if (timeIncrement == 0) {
14467 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14469 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14471 return StrSave(buf);
14477 /* This routine is used only for certain modes */
14478 VariantClass v = gameInfo.variant;
14479 ChessMove r = GameUnfinished;
14482 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14483 r = gameInfo.result;
14484 p = gameInfo.resultDetails;
14485 gameInfo.resultDetails = NULL;
14487 ClearGameInfo(&gameInfo);
14488 gameInfo.variant = v;
14490 switch (gameMode) {
14491 case MachinePlaysWhite:
14492 gameInfo.event = StrSave( appData.pgnEventHeader );
14493 gameInfo.site = StrSave(HostName());
14494 gameInfo.date = PGNDate();
14495 gameInfo.round = StrSave("-");
14496 gameInfo.white = StrSave(first.tidy);
14497 gameInfo.black = StrSave(UserName());
14498 gameInfo.timeControl = TimeControlTagValue();
14501 case MachinePlaysBlack:
14502 gameInfo.event = StrSave( appData.pgnEventHeader );
14503 gameInfo.site = StrSave(HostName());
14504 gameInfo.date = PGNDate();
14505 gameInfo.round = StrSave("-");
14506 gameInfo.white = StrSave(UserName());
14507 gameInfo.black = StrSave(first.tidy);
14508 gameInfo.timeControl = TimeControlTagValue();
14511 case TwoMachinesPlay:
14512 gameInfo.event = StrSave( appData.pgnEventHeader );
14513 gameInfo.site = StrSave(HostName());
14514 gameInfo.date = PGNDate();
14517 snprintf(buf, MSG_SIZ, "%d", roundNr);
14518 gameInfo.round = StrSave(buf);
14520 gameInfo.round = StrSave("-");
14522 if (first.twoMachinesColor[0] == 'w') {
14523 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14524 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14526 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14527 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14529 gameInfo.timeControl = TimeControlTagValue();
14533 gameInfo.event = StrSave("Edited game");
14534 gameInfo.site = StrSave(HostName());
14535 gameInfo.date = PGNDate();
14536 gameInfo.round = StrSave("-");
14537 gameInfo.white = StrSave("-");
14538 gameInfo.black = StrSave("-");
14539 gameInfo.result = r;
14540 gameInfo.resultDetails = p;
14544 gameInfo.event = StrSave("Edited position");
14545 gameInfo.site = StrSave(HostName());
14546 gameInfo.date = PGNDate();
14547 gameInfo.round = StrSave("-");
14548 gameInfo.white = StrSave("-");
14549 gameInfo.black = StrSave("-");
14552 case IcsPlayingWhite:
14553 case IcsPlayingBlack:
14558 case PlayFromGameFile:
14559 gameInfo.event = StrSave("Game from non-PGN file");
14560 gameInfo.site = StrSave(HostName());
14561 gameInfo.date = PGNDate();
14562 gameInfo.round = StrSave("-");
14563 gameInfo.white = StrSave("?");
14564 gameInfo.black = StrSave("?");
14573 ReplaceComment(index, text)
14581 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14582 pvInfoList[index-1].depth == len &&
14583 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14584 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14585 while (*text == '\n') text++;
14586 len = strlen(text);
14587 while (len > 0 && text[len - 1] == '\n') len--;
14589 if (commentList[index] != NULL)
14590 free(commentList[index]);
14593 commentList[index] = NULL;
14596 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14597 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14598 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14599 commentList[index] = (char *) malloc(len + 2);
14600 strncpy(commentList[index], text, len);
14601 commentList[index][len] = '\n';
14602 commentList[index][len + 1] = NULLCHAR;
14604 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14606 commentList[index] = (char *) malloc(len + 7);
14607 safeStrCpy(commentList[index], "{\n", 3);
14608 safeStrCpy(commentList[index]+2, text, len+1);
14609 commentList[index][len+2] = NULLCHAR;
14610 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14611 strcat(commentList[index], "\n}\n");
14625 if (ch == '\r') continue;
14627 } while (ch != '\0');
14631 AppendComment(index, text, addBraces)
14634 Boolean addBraces; // [HGM] braces: tells if we should add {}
14639 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14640 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14643 while (*text == '\n') text++;
14644 len = strlen(text);
14645 while (len > 0 && text[len - 1] == '\n') len--;
14647 if (len == 0) return;
14649 if (commentList[index] != NULL) {
14650 Boolean addClosingBrace = addBraces;
14651 old = commentList[index];
14652 oldlen = strlen(old);
14653 while(commentList[index][oldlen-1] == '\n')
14654 commentList[index][--oldlen] = NULLCHAR;
14655 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14656 safeStrCpy(commentList[index], old, oldlen + len + 6);
14658 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14659 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14660 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14661 while (*text == '\n') { text++; len--; }
14662 commentList[index][--oldlen] = NULLCHAR;
14664 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14665 else strcat(commentList[index], "\n");
14666 strcat(commentList[index], text);
14667 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14668 else strcat(commentList[index], "\n");
14670 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14672 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14673 else commentList[index][0] = NULLCHAR;
14674 strcat(commentList[index], text);
14675 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14676 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14680 static char * FindStr( char * text, char * sub_text )
14682 char * result = strstr( text, sub_text );
14684 if( result != NULL ) {
14685 result += strlen( sub_text );
14691 /* [AS] Try to extract PV info from PGN comment */
14692 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14693 char *GetInfoFromComment( int index, char * text )
14695 char * sep = text, *p;
14697 if( text != NULL && index > 0 ) {
14700 int time = -1, sec = 0, deci;
14701 char * s_eval = FindStr( text, "[%eval " );
14702 char * s_emt = FindStr( text, "[%emt " );
14704 if( s_eval != NULL || s_emt != NULL ) {
14708 if( s_eval != NULL ) {
14709 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14713 if( delim != ']' ) {
14718 if( s_emt != NULL ) {
14723 /* We expect something like: [+|-]nnn.nn/dd */
14726 if(*text != '{') return text; // [HGM] braces: must be normal comment
14728 sep = strchr( text, '/' );
14729 if( sep == NULL || sep < (text+4) ) {
14734 if(p[1] == '(') { // comment starts with PV
14735 p = strchr(p, ')'); // locate end of PV
14736 if(p == NULL || sep < p+5) return text;
14737 // at this point we have something like "{(.*) +0.23/6 ..."
14738 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14739 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14740 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14742 time = -1; sec = -1; deci = -1;
14743 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14744 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14745 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14746 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14750 if( score_lo < 0 || score_lo >= 100 ) {
14754 if(sec >= 0) time = 600*time + 10*sec; else
14755 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14757 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14759 /* [HGM] PV time: now locate end of PV info */
14760 while( *++sep >= '0' && *sep <= '9'); // strip depth
14762 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14764 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14766 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14767 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
14778 pvInfoList[index-1].depth = depth;
14779 pvInfoList[index-1].score = score;
14780 pvInfoList[index-1].time = 10*time; // centi-sec
14781 if(*sep == '}') *sep = 0; else *--sep = '{';
14782 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14788 SendToProgram(message, cps)
14790 ChessProgramState *cps;
14792 int count, outCount, error;
14795 if (cps->pr == NULL) return;
14798 if (appData.debugMode) {
14801 fprintf(debugFP, "%ld >%-6s: %s",
14802 SubtractTimeMarks(&now, &programStartTime),
14803 cps->which, message);
14806 count = strlen(message);
14807 outCount = OutputToProcess(cps->pr, message, count, &error);
14808 if (outCount < count && !exiting
14809 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14810 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14811 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14812 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14813 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14814 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14815 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14816 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14818 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14819 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14820 gameInfo.result = res;
14822 gameInfo.resultDetails = StrSave(buf);
14824 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14825 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14830 ReceiveFromProgram(isr, closure, message, count, error)
14831 InputSourceRef isr;
14839 ChessProgramState *cps = (ChessProgramState *)closure;
14841 if (isr != cps->isr) return; /* Killed intentionally */
14844 RemoveInputSource(cps->isr);
14845 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14846 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14847 _(cps->which), cps->program);
14848 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14849 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14850 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14851 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14852 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14854 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14855 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14856 gameInfo.result = res;
14858 gameInfo.resultDetails = StrSave(buf);
14860 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14861 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14863 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14864 _(cps->which), cps->program);
14865 RemoveInputSource(cps->isr);
14867 /* [AS] Program is misbehaving badly... kill it */
14868 if( count == -2 ) {
14869 DestroyChildProcess( cps->pr, 9 );
14873 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14878 if ((end_str = strchr(message, '\r')) != NULL)
14879 *end_str = NULLCHAR;
14880 if ((end_str = strchr(message, '\n')) != NULL)
14881 *end_str = NULLCHAR;
14883 if (appData.debugMode) {
14884 TimeMark now; int print = 1;
14885 char *quote = ""; char c; int i;
14887 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14888 char start = message[0];
14889 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14890 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14891 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14892 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14893 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14894 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14895 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14896 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14897 sscanf(message, "hint: %c", &c)!=1 &&
14898 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14899 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14900 print = (appData.engineComments >= 2);
14902 message[0] = start; // restore original message
14906 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14907 SubtractTimeMarks(&now, &programStartTime), cps->which,
14913 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14914 if (appData.icsEngineAnalyze) {
14915 if (strstr(message, "whisper") != NULL ||
14916 strstr(message, "kibitz") != NULL ||
14917 strstr(message, "tellics") != NULL) return;
14920 HandleMachineMove(message, cps);
14925 SendTimeControl(cps, mps, tc, inc, sd, st)
14926 ChessProgramState *cps;
14927 int mps, inc, sd, st;
14933 if( timeControl_2 > 0 ) {
14934 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14935 tc = timeControl_2;
14938 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14939 inc /= cps->timeOdds;
14940 st /= cps->timeOdds;
14942 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14945 /* Set exact time per move, normally using st command */
14946 if (cps->stKludge) {
14947 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14949 if (seconds == 0) {
14950 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14952 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14955 snprintf(buf, MSG_SIZ, "st %d\n", st);
14958 /* Set conventional or incremental time control, using level command */
14959 if (seconds == 0) {
14960 /* Note old gnuchess bug -- minutes:seconds used to not work.
14961 Fixed in later versions, but still avoid :seconds
14962 when seconds is 0. */
14963 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14965 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14966 seconds, inc/1000.);
14969 SendToProgram(buf, cps);
14971 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14972 /* Orthogonally, limit search to given depth */
14974 if (cps->sdKludge) {
14975 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14977 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14979 SendToProgram(buf, cps);
14982 if(cps->nps >= 0) { /* [HGM] nps */
14983 if(cps->supportsNPS == FALSE)
14984 cps->nps = -1; // don't use if engine explicitly says not supported!
14986 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14987 SendToProgram(buf, cps);
14992 ChessProgramState *WhitePlayer()
14993 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14995 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14996 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15002 SendTimeRemaining(cps, machineWhite)
15003 ChessProgramState *cps;
15004 int /*boolean*/ machineWhite;
15006 char message[MSG_SIZ];
15009 /* Note: this routine must be called when the clocks are stopped
15010 or when they have *just* been set or switched; otherwise
15011 it will be off by the time since the current tick started.
15013 if (machineWhite) {
15014 time = whiteTimeRemaining / 10;
15015 otime = blackTimeRemaining / 10;
15017 time = blackTimeRemaining / 10;
15018 otime = whiteTimeRemaining / 10;
15020 /* [HGM] translate opponent's time by time-odds factor */
15021 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15022 if (appData.debugMode) {
15023 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15026 if (time <= 0) time = 1;
15027 if (otime <= 0) otime = 1;
15029 snprintf(message, MSG_SIZ, "time %ld\n", time);
15030 SendToProgram(message, cps);
15032 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15033 SendToProgram(message, cps);
15037 BoolFeature(p, name, loc, cps)
15041 ChessProgramState *cps;
15044 int len = strlen(name);
15047 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15049 sscanf(*p, "%d", &val);
15051 while (**p && **p != ' ')
15053 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15054 SendToProgram(buf, cps);
15061 IntFeature(p, name, loc, cps)
15065 ChessProgramState *cps;
15068 int len = strlen(name);
15069 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15071 sscanf(*p, "%d", loc);
15072 while (**p && **p != ' ') (*p)++;
15073 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15074 SendToProgram(buf, cps);
15081 StringFeature(p, name, loc, cps)
15085 ChessProgramState *cps;
15088 int len = strlen(name);
15089 if (strncmp((*p), name, len) == 0
15090 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15092 sscanf(*p, "%[^\"]", loc);
15093 while (**p && **p != '\"') (*p)++;
15094 if (**p == '\"') (*p)++;
15095 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15096 SendToProgram(buf, cps);
15103 ParseOption(Option *opt, ChessProgramState *cps)
15104 // [HGM] options: process the string that defines an engine option, and determine
15105 // name, type, default value, and allowed value range
15107 char *p, *q, buf[MSG_SIZ];
15108 int n, min = (-1)<<31, max = 1<<31, def;
15110 if(p = strstr(opt->name, " -spin ")) {
15111 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15112 if(max < min) max = min; // enforce consistency
15113 if(def < min) def = min;
15114 if(def > max) def = max;
15119 } else if((p = strstr(opt->name, " -slider "))) {
15120 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15121 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15122 if(max < min) max = min; // enforce consistency
15123 if(def < min) def = min;
15124 if(def > max) def = max;
15128 opt->type = Spin; // Slider;
15129 } else if((p = strstr(opt->name, " -string "))) {
15130 opt->textValue = p+9;
15131 opt->type = TextBox;
15132 } else if((p = strstr(opt->name, " -file "))) {
15133 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15134 opt->textValue = p+7;
15135 opt->type = FileName; // FileName;
15136 } else if((p = strstr(opt->name, " -path "))) {
15137 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15138 opt->textValue = p+7;
15139 opt->type = PathName; // PathName;
15140 } else if(p = strstr(opt->name, " -check ")) {
15141 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15142 opt->value = (def != 0);
15143 opt->type = CheckBox;
15144 } else if(p = strstr(opt->name, " -combo ")) {
15145 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15146 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15147 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15148 opt->value = n = 0;
15149 while(q = StrStr(q, " /// ")) {
15150 n++; *q = 0; // count choices, and null-terminate each of them
15152 if(*q == '*') { // remember default, which is marked with * prefix
15156 cps->comboList[cps->comboCnt++] = q;
15158 cps->comboList[cps->comboCnt++] = NULL;
15160 opt->type = ComboBox;
15161 } else if(p = strstr(opt->name, " -button")) {
15162 opt->type = Button;
15163 } else if(p = strstr(opt->name, " -save")) {
15164 opt->type = SaveButton;
15165 } else return FALSE;
15166 *p = 0; // terminate option name
15167 // now look if the command-line options define a setting for this engine option.
15168 if(cps->optionSettings && cps->optionSettings[0])
15169 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15170 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15171 snprintf(buf, MSG_SIZ, "option %s", p);
15172 if(p = strstr(buf, ",")) *p = 0;
15173 if(q = strchr(buf, '=')) switch(opt->type) {
15175 for(n=0; n<opt->max; n++)
15176 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15179 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15183 opt->value = atoi(q+1);
15188 SendToProgram(buf, cps);
15194 FeatureDone(cps, val)
15195 ChessProgramState* cps;
15198 DelayedEventCallback cb = GetDelayedEvent();
15199 if ((cb == InitBackEnd3 && cps == &first) ||
15200 (cb == SettingsMenuIfReady && cps == &second) ||
15201 (cb == LoadEngine) ||
15202 (cb == TwoMachinesEventIfReady)) {
15203 CancelDelayedEvent();
15204 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15206 cps->initDone = val;
15209 /* Parse feature command from engine */
15211 ParseFeatures(args, cps)
15213 ChessProgramState *cps;
15221 while (*p == ' ') p++;
15222 if (*p == NULLCHAR) return;
15224 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15225 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15226 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15227 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15228 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15229 if (BoolFeature(&p, "reuse", &val, cps)) {
15230 /* Engine can disable reuse, but can't enable it if user said no */
15231 if (!val) cps->reuse = FALSE;
15234 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15235 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15236 if (gameMode == TwoMachinesPlay) {
15237 DisplayTwoMachinesTitle();
15243 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15244 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15245 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15246 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15247 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15248 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15249 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15250 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15251 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15252 if (IntFeature(&p, "done", &val, cps)) {
15253 FeatureDone(cps, val);
15256 /* Added by Tord: */
15257 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15258 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15259 /* End of additions by Tord */
15261 /* [HGM] added features: */
15262 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15263 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15264 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15265 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15266 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15267 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15268 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15269 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15270 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15271 SendToProgram(buf, cps);
15274 if(cps->nrOptions >= MAX_OPTIONS) {
15276 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15277 DisplayError(buf, 0);
15281 /* End of additions by HGM */
15283 /* unknown feature: complain and skip */
15285 while (*q && *q != '=') q++;
15286 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15287 SendToProgram(buf, cps);
15293 while (*p && *p != '\"') p++;
15294 if (*p == '\"') p++;
15296 while (*p && *p != ' ') p++;
15304 PeriodicUpdatesEvent(newState)
15307 if (newState == appData.periodicUpdates)
15310 appData.periodicUpdates=newState;
15312 /* Display type changes, so update it now */
15313 // DisplayAnalysis();
15315 /* Get the ball rolling again... */
15317 AnalysisPeriodicEvent(1);
15318 StartAnalysisClock();
15323 PonderNextMoveEvent(newState)
15326 if (newState == appData.ponderNextMove) return;
15327 if (gameMode == EditPosition) EditPositionDone(TRUE);
15329 SendToProgram("hard\n", &first);
15330 if (gameMode == TwoMachinesPlay) {
15331 SendToProgram("hard\n", &second);
15334 SendToProgram("easy\n", &first);
15335 thinkOutput[0] = NULLCHAR;
15336 if (gameMode == TwoMachinesPlay) {
15337 SendToProgram("easy\n", &second);
15340 appData.ponderNextMove = newState;
15344 NewSettingEvent(option, feature, command, value)
15346 int option, value, *feature;
15350 if (gameMode == EditPosition) EditPositionDone(TRUE);
15351 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15352 if(feature == NULL || *feature) SendToProgram(buf, &first);
15353 if (gameMode == TwoMachinesPlay) {
15354 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15359 ShowThinkingEvent()
15360 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15362 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15363 int newState = appData.showThinking
15364 // [HGM] thinking: other features now need thinking output as well
15365 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15367 if (oldState == newState) return;
15368 oldState = newState;
15369 if (gameMode == EditPosition) EditPositionDone(TRUE);
15371 SendToProgram("post\n", &first);
15372 if (gameMode == TwoMachinesPlay) {
15373 SendToProgram("post\n", &second);
15376 SendToProgram("nopost\n", &first);
15377 thinkOutput[0] = NULLCHAR;
15378 if (gameMode == TwoMachinesPlay) {
15379 SendToProgram("nopost\n", &second);
15382 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15386 AskQuestionEvent(title, question, replyPrefix, which)
15387 char *title; char *question; char *replyPrefix; char *which;
15389 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15390 if (pr == NoProc) return;
15391 AskQuestion(title, question, replyPrefix, pr);
15395 TypeInEvent(char firstChar)
15397 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15398 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15399 gameMode == AnalyzeMode || gameMode == EditGame ||
15400 gameMode == EditPosition || gameMode == IcsExamining ||
15401 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15402 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15403 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15404 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15405 gameMode == Training) PopUpMoveDialog(firstChar);
15409 TypeInDoneEvent(char *move)
15412 int n, fromX, fromY, toX, toY;
15414 ChessMove moveType;
15417 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15418 EditPositionPasteFEN(move);
15421 // [HGM] movenum: allow move number to be typed in any mode
15422 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15427 if (gameMode != EditGame && currentMove != forwardMostMove &&
15428 gameMode != Training) {
15429 DisplayMoveError(_("Displayed move is not current"));
15431 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15432 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15433 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15434 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15435 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15436 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15438 DisplayMoveError(_("Could not parse move"));
15444 DisplayMove(moveNumber)
15447 char message[MSG_SIZ];
15449 char cpThinkOutput[MSG_SIZ];
15451 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15453 if (moveNumber == forwardMostMove - 1 ||
15454 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15456 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15458 if (strchr(cpThinkOutput, '\n')) {
15459 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15462 *cpThinkOutput = NULLCHAR;
15465 /* [AS] Hide thinking from human user */
15466 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15467 *cpThinkOutput = NULLCHAR;
15468 if( thinkOutput[0] != NULLCHAR ) {
15471 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15472 cpThinkOutput[i] = '.';
15474 cpThinkOutput[i] = NULLCHAR;
15475 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15479 if (moveNumber == forwardMostMove - 1 &&
15480 gameInfo.resultDetails != NULL) {
15481 if (gameInfo.resultDetails[0] == NULLCHAR) {
15482 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15484 snprintf(res, MSG_SIZ, " {%s} %s",
15485 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15491 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15492 DisplayMessage(res, cpThinkOutput);
15494 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15495 WhiteOnMove(moveNumber) ? " " : ".. ",
15496 parseList[moveNumber], res);
15497 DisplayMessage(message, cpThinkOutput);
15502 DisplayComment(moveNumber, text)
15506 char title[MSG_SIZ];
15508 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15509 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15511 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15512 WhiteOnMove(moveNumber) ? " " : ".. ",
15513 parseList[moveNumber]);
15515 if (text != NULL && (appData.autoDisplayComment || commentUp))
15516 CommentPopUp(title, text);
15519 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15520 * might be busy thinking or pondering. It can be omitted if your
15521 * gnuchess is configured to stop thinking immediately on any user
15522 * input. However, that gnuchess feature depends on the FIONREAD
15523 * ioctl, which does not work properly on some flavors of Unix.
15527 ChessProgramState *cps;
15530 if (!cps->useSigint) return;
15531 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15532 switch (gameMode) {
15533 case MachinePlaysWhite:
15534 case MachinePlaysBlack:
15535 case TwoMachinesPlay:
15536 case IcsPlayingWhite:
15537 case IcsPlayingBlack:
15540 /* Skip if we know it isn't thinking */
15541 if (!cps->maybeThinking) return;
15542 if (appData.debugMode)
15543 fprintf(debugFP, "Interrupting %s\n", cps->which);
15544 InterruptChildProcess(cps->pr);
15545 cps->maybeThinking = FALSE;
15550 #endif /*ATTENTION*/
15556 if (whiteTimeRemaining <= 0) {
15559 if (appData.icsActive) {
15560 if (appData.autoCallFlag &&
15561 gameMode == IcsPlayingBlack && !blackFlag) {
15562 SendToICS(ics_prefix);
15563 SendToICS("flag\n");
15567 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15569 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15570 if (appData.autoCallFlag) {
15571 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15578 if (blackTimeRemaining <= 0) {
15581 if (appData.icsActive) {
15582 if (appData.autoCallFlag &&
15583 gameMode == IcsPlayingWhite && !whiteFlag) {
15584 SendToICS(ics_prefix);
15585 SendToICS("flag\n");
15589 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15591 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15592 if (appData.autoCallFlag) {
15593 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15606 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15607 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15610 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15612 if ( !WhiteOnMove(forwardMostMove) ) {
15613 /* White made time control */
15614 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15615 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15616 /* [HGM] time odds: correct new time quota for time odds! */
15617 / WhitePlayer()->timeOdds;
15618 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15620 lastBlack -= blackTimeRemaining;
15621 /* Black made time control */
15622 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15623 / WhitePlayer()->other->timeOdds;
15624 lastWhite = whiteTimeRemaining;
15629 DisplayBothClocks()
15631 int wom = gameMode == EditPosition ?
15632 !blackPlaysFirst : WhiteOnMove(currentMove);
15633 DisplayWhiteClock(whiteTimeRemaining, wom);
15634 DisplayBlackClock(blackTimeRemaining, !wom);
15638 /* Timekeeping seems to be a portability nightmare. I think everyone
15639 has ftime(), but I'm really not sure, so I'm including some ifdefs
15640 to use other calls if you don't. Clocks will be less accurate if
15641 you have neither ftime nor gettimeofday.
15644 /* VS 2008 requires the #include outside of the function */
15645 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15646 #include <sys/timeb.h>
15649 /* Get the current time as a TimeMark */
15654 #if HAVE_GETTIMEOFDAY
15656 struct timeval timeVal;
15657 struct timezone timeZone;
15659 gettimeofday(&timeVal, &timeZone);
15660 tm->sec = (long) timeVal.tv_sec;
15661 tm->ms = (int) (timeVal.tv_usec / 1000L);
15663 #else /*!HAVE_GETTIMEOFDAY*/
15666 // include <sys/timeb.h> / moved to just above start of function
15667 struct timeb timeB;
15670 tm->sec = (long) timeB.time;
15671 tm->ms = (int) timeB.millitm;
15673 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15674 tm->sec = (long) time(NULL);
15680 /* Return the difference in milliseconds between two
15681 time marks. We assume the difference will fit in a long!
15684 SubtractTimeMarks(tm2, tm1)
15685 TimeMark *tm2, *tm1;
15687 return 1000L*(tm2->sec - tm1->sec) +
15688 (long) (tm2->ms - tm1->ms);
15693 * Code to manage the game clocks.
15695 * In tournament play, black starts the clock and then white makes a move.
15696 * We give the human user a slight advantage if he is playing white---the
15697 * clocks don't run until he makes his first move, so it takes zero time.
15698 * Also, we don't account for network lag, so we could get out of sync
15699 * with GNU Chess's clock -- but then, referees are always right.
15702 static TimeMark tickStartTM;
15703 static long intendedTickLength;
15706 NextTickLength(timeRemaining)
15707 long timeRemaining;
15709 long nominalTickLength, nextTickLength;
15711 if (timeRemaining > 0L && timeRemaining <= 10000L)
15712 nominalTickLength = 100L;
15714 nominalTickLength = 1000L;
15715 nextTickLength = timeRemaining % nominalTickLength;
15716 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15718 return nextTickLength;
15721 /* Adjust clock one minute up or down */
15723 AdjustClock(Boolean which, int dir)
15725 if(which) blackTimeRemaining += 60000*dir;
15726 else whiteTimeRemaining += 60000*dir;
15727 DisplayBothClocks();
15730 /* Stop clocks and reset to a fresh time control */
15734 (void) StopClockTimer();
15735 if (appData.icsActive) {
15736 whiteTimeRemaining = blackTimeRemaining = 0;
15737 } else if (searchTime) {
15738 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15739 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15740 } else { /* [HGM] correct new time quote for time odds */
15741 whiteTC = blackTC = fullTimeControlString;
15742 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15743 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15745 if (whiteFlag || blackFlag) {
15747 whiteFlag = blackFlag = FALSE;
15749 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15750 DisplayBothClocks();
15753 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15755 /* Decrement running clock by amount of time that has passed */
15759 long timeRemaining;
15760 long lastTickLength, fudge;
15763 if (!appData.clockMode) return;
15764 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15768 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15770 /* Fudge if we woke up a little too soon */
15771 fudge = intendedTickLength - lastTickLength;
15772 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15774 if (WhiteOnMove(forwardMostMove)) {
15775 if(whiteNPS >= 0) lastTickLength = 0;
15776 timeRemaining = whiteTimeRemaining -= lastTickLength;
15777 if(timeRemaining < 0 && !appData.icsActive) {
15778 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15779 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15780 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15781 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15784 DisplayWhiteClock(whiteTimeRemaining - fudge,
15785 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15787 if(blackNPS >= 0) lastTickLength = 0;
15788 timeRemaining = blackTimeRemaining -= lastTickLength;
15789 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15790 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15792 blackStartMove = forwardMostMove;
15793 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15796 DisplayBlackClock(blackTimeRemaining - fudge,
15797 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15799 if (CheckFlags()) return;
15802 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15803 StartClockTimer(intendedTickLength);
15805 /* if the time remaining has fallen below the alarm threshold, sound the
15806 * alarm. if the alarm has sounded and (due to a takeback or time control
15807 * with increment) the time remaining has increased to a level above the
15808 * threshold, reset the alarm so it can sound again.
15811 if (appData.icsActive && appData.icsAlarm) {
15813 /* make sure we are dealing with the user's clock */
15814 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15815 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15818 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15819 alarmSounded = FALSE;
15820 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15822 alarmSounded = TRUE;
15828 /* A player has just moved, so stop the previously running
15829 clock and (if in clock mode) start the other one.
15830 We redisplay both clocks in case we're in ICS mode, because
15831 ICS gives us an update to both clocks after every move.
15832 Note that this routine is called *after* forwardMostMove
15833 is updated, so the last fractional tick must be subtracted
15834 from the color that is *not* on move now.
15837 SwitchClocks(int newMoveNr)
15839 long lastTickLength;
15841 int flagged = FALSE;
15845 if (StopClockTimer() && appData.clockMode) {
15846 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15847 if (!WhiteOnMove(forwardMostMove)) {
15848 if(blackNPS >= 0) lastTickLength = 0;
15849 blackTimeRemaining -= lastTickLength;
15850 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15851 // if(pvInfoList[forwardMostMove].time == -1)
15852 pvInfoList[forwardMostMove].time = // use GUI time
15853 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15855 if(whiteNPS >= 0) lastTickLength = 0;
15856 whiteTimeRemaining -= lastTickLength;
15857 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15858 // if(pvInfoList[forwardMostMove].time == -1)
15859 pvInfoList[forwardMostMove].time =
15860 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15862 flagged = CheckFlags();
15864 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15865 CheckTimeControl();
15867 if (flagged || !appData.clockMode) return;
15869 switch (gameMode) {
15870 case MachinePlaysBlack:
15871 case MachinePlaysWhite:
15872 case BeginningOfGame:
15873 if (pausing) return;
15877 case PlayFromGameFile:
15885 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15886 if(WhiteOnMove(forwardMostMove))
15887 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15888 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15892 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15893 whiteTimeRemaining : blackTimeRemaining);
15894 StartClockTimer(intendedTickLength);
15898 /* Stop both clocks */
15902 long lastTickLength;
15905 if (!StopClockTimer()) return;
15906 if (!appData.clockMode) return;
15910 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15911 if (WhiteOnMove(forwardMostMove)) {
15912 if(whiteNPS >= 0) lastTickLength = 0;
15913 whiteTimeRemaining -= lastTickLength;
15914 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15916 if(blackNPS >= 0) lastTickLength = 0;
15917 blackTimeRemaining -= lastTickLength;
15918 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15923 /* Start clock of player on move. Time may have been reset, so
15924 if clock is already running, stop and restart it. */
15928 (void) StopClockTimer(); /* in case it was running already */
15929 DisplayBothClocks();
15930 if (CheckFlags()) return;
15932 if (!appData.clockMode) return;
15933 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15935 GetTimeMark(&tickStartTM);
15936 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15937 whiteTimeRemaining : blackTimeRemaining);
15939 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15940 whiteNPS = blackNPS = -1;
15941 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15942 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15943 whiteNPS = first.nps;
15944 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15945 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15946 blackNPS = first.nps;
15947 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15948 whiteNPS = second.nps;
15949 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15950 blackNPS = second.nps;
15951 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15953 StartClockTimer(intendedTickLength);
15960 long second, minute, hour, day;
15962 static char buf[32];
15964 if (ms > 0 && ms <= 9900) {
15965 /* convert milliseconds to tenths, rounding up */
15966 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15968 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15972 /* convert milliseconds to seconds, rounding up */
15973 /* use floating point to avoid strangeness of integer division
15974 with negative dividends on many machines */
15975 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15982 day = second / (60 * 60 * 24);
15983 second = second % (60 * 60 * 24);
15984 hour = second / (60 * 60);
15985 second = second % (60 * 60);
15986 minute = second / 60;
15987 second = second % 60;
15990 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15991 sign, day, hour, minute, second);
15993 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15995 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16002 * This is necessary because some C libraries aren't ANSI C compliant yet.
16005 StrStr(string, match)
16006 char *string, *match;
16010 length = strlen(match);
16012 for (i = strlen(string) - length; i >= 0; i--, string++)
16013 if (!strncmp(match, string, length))
16020 StrCaseStr(string, match)
16021 char *string, *match;
16025 length = strlen(match);
16027 for (i = strlen(string) - length; i >= 0; i--, string++) {
16028 for (j = 0; j < length; j++) {
16029 if (ToLower(match[j]) != ToLower(string[j]))
16032 if (j == length) return string;
16046 c1 = ToLower(*s1++);
16047 c2 = ToLower(*s2++);
16048 if (c1 > c2) return 1;
16049 if (c1 < c2) return -1;
16050 if (c1 == NULLCHAR) return 0;
16059 return isupper(c) ? tolower(c) : c;
16067 return islower(c) ? toupper(c) : c;
16069 #endif /* !_amigados */
16077 if ((ret = (char *) malloc(strlen(s) + 1)))
16079 safeStrCpy(ret, s, strlen(s)+1);
16085 StrSavePtr(s, savePtr)
16086 char *s, **savePtr;
16091 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16092 safeStrCpy(*savePtr, s, strlen(s)+1);
16104 clock = time((time_t *)NULL);
16105 tm = localtime(&clock);
16106 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16107 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16108 return StrSave(buf);
16113 PositionToFEN(move, overrideCastling)
16115 char *overrideCastling;
16117 int i, j, fromX, fromY, toX, toY;
16124 whiteToPlay = (gameMode == EditPosition) ?
16125 !blackPlaysFirst : (move % 2 == 0);
16128 /* Piece placement data */
16129 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16130 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16132 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16133 if (boards[move][i][j] == EmptySquare) {
16135 } else { ChessSquare piece = boards[move][i][j];
16136 if (emptycount > 0) {
16137 if(emptycount<10) /* [HGM] can be >= 10 */
16138 *p++ = '0' + emptycount;
16139 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16142 if(PieceToChar(piece) == '+') {
16143 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16145 piece = (ChessSquare)(DEMOTED piece);
16147 *p++ = PieceToChar(piece);
16149 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16150 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16155 if (emptycount > 0) {
16156 if(emptycount<10) /* [HGM] can be >= 10 */
16157 *p++ = '0' + emptycount;
16158 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16165 /* [HGM] print Crazyhouse or Shogi holdings */
16166 if( gameInfo.holdingsWidth ) {
16167 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16169 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16170 piece = boards[move][i][BOARD_WIDTH-1];
16171 if( piece != EmptySquare )
16172 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16173 *p++ = PieceToChar(piece);
16175 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16176 piece = boards[move][BOARD_HEIGHT-i-1][0];
16177 if( piece != EmptySquare )
16178 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16179 *p++ = PieceToChar(piece);
16182 if( q == p ) *p++ = '-';
16188 *p++ = whiteToPlay ? 'w' : 'b';
16191 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16192 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16194 if(nrCastlingRights) {
16196 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16197 /* [HGM] write directly from rights */
16198 if(boards[move][CASTLING][2] != NoRights &&
16199 boards[move][CASTLING][0] != NoRights )
16200 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16201 if(boards[move][CASTLING][2] != NoRights &&
16202 boards[move][CASTLING][1] != NoRights )
16203 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16204 if(boards[move][CASTLING][5] != NoRights &&
16205 boards[move][CASTLING][3] != NoRights )
16206 *p++ = boards[move][CASTLING][3] + AAA;
16207 if(boards[move][CASTLING][5] != NoRights &&
16208 boards[move][CASTLING][4] != NoRights )
16209 *p++ = boards[move][CASTLING][4] + AAA;
16212 /* [HGM] write true castling rights */
16213 if( nrCastlingRights == 6 ) {
16214 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16215 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16216 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16217 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16218 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16219 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16220 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16221 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16224 if (q == p) *p++ = '-'; /* No castling rights */
16228 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16229 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16230 /* En passant target square */
16231 if (move > backwardMostMove) {
16232 fromX = moveList[move - 1][0] - AAA;
16233 fromY = moveList[move - 1][1] - ONE;
16234 toX = moveList[move - 1][2] - AAA;
16235 toY = moveList[move - 1][3] - ONE;
16236 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16237 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16238 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16240 /* 2-square pawn move just happened */
16242 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16246 } else if(move == backwardMostMove) {
16247 // [HGM] perhaps we should always do it like this, and forget the above?
16248 if((signed char)boards[move][EP_STATUS] >= 0) {
16249 *p++ = boards[move][EP_STATUS] + AAA;
16250 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16261 /* [HGM] find reversible plies */
16262 { int i = 0, j=move;
16264 if (appData.debugMode) { int k;
16265 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16266 for(k=backwardMostMove; k<=forwardMostMove; k++)
16267 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16271 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16272 if( j == backwardMostMove ) i += initialRulePlies;
16273 sprintf(p, "%d ", i);
16274 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16276 /* Fullmove number */
16277 sprintf(p, "%d", (move / 2) + 1);
16279 return StrSave(buf);
16283 ParseFEN(board, blackPlaysFirst, fen)
16285 int *blackPlaysFirst;
16295 /* [HGM] by default clear Crazyhouse holdings, if present */
16296 if(gameInfo.holdingsWidth) {
16297 for(i=0; i<BOARD_HEIGHT; i++) {
16298 board[i][0] = EmptySquare; /* black holdings */
16299 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16300 board[i][1] = (ChessSquare) 0; /* black counts */
16301 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16305 /* Piece placement data */
16306 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16309 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16310 if (*p == '/') p++;
16311 emptycount = gameInfo.boardWidth - j;
16312 while (emptycount--)
16313 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16315 #if(BOARD_FILES >= 10)
16316 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16317 p++; emptycount=10;
16318 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16319 while (emptycount--)
16320 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16322 } else if (isdigit(*p)) {
16323 emptycount = *p++ - '0';
16324 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16325 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16326 while (emptycount--)
16327 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16328 } else if (*p == '+' || isalpha(*p)) {
16329 if (j >= gameInfo.boardWidth) return FALSE;
16331 piece = CharToPiece(*++p);
16332 if(piece == EmptySquare) return FALSE; /* unknown piece */
16333 piece = (ChessSquare) (PROMOTED piece ); p++;
16334 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16335 } else piece = CharToPiece(*p++);
16337 if(piece==EmptySquare) return FALSE; /* unknown piece */
16338 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16339 piece = (ChessSquare) (PROMOTED piece);
16340 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16343 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16349 while (*p == '/' || *p == ' ') p++;
16351 /* [HGM] look for Crazyhouse holdings here */
16352 while(*p==' ') p++;
16353 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16355 if(*p == '-' ) p++; /* empty holdings */ else {
16356 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16357 /* if we would allow FEN reading to set board size, we would */
16358 /* have to add holdings and shift the board read so far here */
16359 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16361 if((int) piece >= (int) BlackPawn ) {
16362 i = (int)piece - (int)BlackPawn;
16363 i = PieceToNumber((ChessSquare)i);
16364 if( i >= gameInfo.holdingsSize ) return FALSE;
16365 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16366 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16368 i = (int)piece - (int)WhitePawn;
16369 i = PieceToNumber((ChessSquare)i);
16370 if( i >= gameInfo.holdingsSize ) return FALSE;
16371 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16372 board[i][BOARD_WIDTH-2]++; /* black holdings */
16379 while(*p == ' ') p++;
16383 if(appData.colorNickNames) {
16384 if( c == appData.colorNickNames[0] ) c = 'w'; else
16385 if( c == appData.colorNickNames[1] ) c = 'b';
16389 *blackPlaysFirst = FALSE;
16392 *blackPlaysFirst = TRUE;
16398 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16399 /* return the extra info in global variiables */
16401 /* set defaults in case FEN is incomplete */
16402 board[EP_STATUS] = EP_UNKNOWN;
16403 for(i=0; i<nrCastlingRights; i++ ) {
16404 board[CASTLING][i] =
16405 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16406 } /* assume possible unless obviously impossible */
16407 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16408 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16409 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16410 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16411 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16412 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16413 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16414 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16417 while(*p==' ') p++;
16418 if(nrCastlingRights) {
16419 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16420 /* castling indicator present, so default becomes no castlings */
16421 for(i=0; i<nrCastlingRights; i++ ) {
16422 board[CASTLING][i] = NoRights;
16425 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16426 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16427 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16428 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16429 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16431 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16432 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16433 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16435 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16436 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16437 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16438 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16439 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16440 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16443 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16444 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16445 board[CASTLING][2] = whiteKingFile;
16448 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16449 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16450 board[CASTLING][2] = whiteKingFile;
16453 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16454 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16455 board[CASTLING][5] = blackKingFile;
16458 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16459 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16460 board[CASTLING][5] = blackKingFile;
16463 default: /* FRC castlings */
16464 if(c >= 'a') { /* black rights */
16465 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16466 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16467 if(i == BOARD_RGHT) break;
16468 board[CASTLING][5] = i;
16470 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16471 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16473 board[CASTLING][3] = c;
16475 board[CASTLING][4] = c;
16476 } else { /* white rights */
16477 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16478 if(board[0][i] == WhiteKing) break;
16479 if(i == BOARD_RGHT) break;
16480 board[CASTLING][2] = i;
16481 c -= AAA - 'a' + 'A';
16482 if(board[0][c] >= WhiteKing) break;
16484 board[CASTLING][0] = c;
16486 board[CASTLING][1] = c;
16490 for(i=0; i<nrCastlingRights; i++)
16491 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16492 if (appData.debugMode) {
16493 fprintf(debugFP, "FEN castling rights:");
16494 for(i=0; i<nrCastlingRights; i++)
16495 fprintf(debugFP, " %d", board[CASTLING][i]);
16496 fprintf(debugFP, "\n");
16499 while(*p==' ') p++;
16502 /* read e.p. field in games that know e.p. capture */
16503 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16504 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16506 p++; board[EP_STATUS] = EP_NONE;
16508 char c = *p++ - AAA;
16510 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16511 if(*p >= '0' && *p <='9') p++;
16512 board[EP_STATUS] = c;
16517 if(sscanf(p, "%d", &i) == 1) {
16518 FENrulePlies = i; /* 50-move ply counter */
16519 /* (The move number is still ignored) */
16526 EditPositionPasteFEN(char *fen)
16529 Board initial_position;
16531 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16532 DisplayError(_("Bad FEN position in clipboard"), 0);
16535 int savedBlackPlaysFirst = blackPlaysFirst;
16536 EditPositionEvent();
16537 blackPlaysFirst = savedBlackPlaysFirst;
16538 CopyBoard(boards[0], initial_position);
16539 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16540 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16541 DisplayBothClocks();
16542 DrawPosition(FALSE, boards[currentMove]);
16547 static char cseq[12] = "\\ ";
16549 Boolean set_cont_sequence(char *new_seq)
16554 // handle bad attempts to set the sequence
16556 return 0; // acceptable error - no debug
16558 len = strlen(new_seq);
16559 ret = (len > 0) && (len < sizeof(cseq));
16561 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16562 else if (appData.debugMode)
16563 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16568 reformat a source message so words don't cross the width boundary. internal
16569 newlines are not removed. returns the wrapped size (no null character unless
16570 included in source message). If dest is NULL, only calculate the size required
16571 for the dest buffer. lp argument indicats line position upon entry, and it's
16572 passed back upon exit.
16574 int wrap(char *dest, char *src, int count, int width, int *lp)
16576 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16578 cseq_len = strlen(cseq);
16579 old_line = line = *lp;
16580 ansi = len = clen = 0;
16582 for (i=0; i < count; i++)
16584 if (src[i] == '\033')
16587 // if we hit the width, back up
16588 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16590 // store i & len in case the word is too long
16591 old_i = i, old_len = len;
16593 // find the end of the last word
16594 while (i && src[i] != ' ' && src[i] != '\n')
16600 // word too long? restore i & len before splitting it
16601 if ((old_i-i+clen) >= width)
16608 if (i && src[i-1] == ' ')
16611 if (src[i] != ' ' && src[i] != '\n')
16618 // now append the newline and continuation sequence
16623 strncpy(dest+len, cseq, cseq_len);
16631 dest[len] = src[i];
16635 if (src[i] == '\n')
16640 if (dest && appData.debugMode)
16642 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16643 count, width, line, len, *lp);
16644 show_bytes(debugFP, src, count);
16645 fprintf(debugFP, "\ndest: ");
16646 show_bytes(debugFP, dest, len);
16647 fprintf(debugFP, "\n");
16649 *lp = dest ? line : old_line;
16654 // [HGM] vari: routines for shelving variations
16655 Boolean modeRestore = FALSE;
16658 PushInner(int firstMove, int lastMove)
16660 int i, j, nrMoves = lastMove - firstMove;
16662 // push current tail of game on stack
16663 savedResult[storedGames] = gameInfo.result;
16664 savedDetails[storedGames] = gameInfo.resultDetails;
16665 gameInfo.resultDetails = NULL;
16666 savedFirst[storedGames] = firstMove;
16667 savedLast [storedGames] = lastMove;
16668 savedFramePtr[storedGames] = framePtr;
16669 framePtr -= nrMoves; // reserve space for the boards
16670 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16671 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16672 for(j=0; j<MOVE_LEN; j++)
16673 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16674 for(j=0; j<2*MOVE_LEN; j++)
16675 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16676 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16677 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16678 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16679 pvInfoList[firstMove+i-1].depth = 0;
16680 commentList[framePtr+i] = commentList[firstMove+i];
16681 commentList[firstMove+i] = NULL;
16685 forwardMostMove = firstMove; // truncate game so we can start variation
16689 PushTail(int firstMove, int lastMove)
16691 if(appData.icsActive) { // only in local mode
16692 forwardMostMove = currentMove; // mimic old ICS behavior
16695 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16697 PushInner(firstMove, lastMove);
16698 if(storedGames == 1) GreyRevert(FALSE);
16699 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16703 PopInner(Boolean annotate)
16706 char buf[8000], moveBuf[20];
16708 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16709 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16710 nrMoves = savedLast[storedGames] - currentMove;
16713 if(!WhiteOnMove(currentMove))
16714 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16715 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16716 for(i=currentMove; i<forwardMostMove; i++) {
16718 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16719 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16720 strcat(buf, moveBuf);
16721 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16722 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16726 for(i=1; i<=nrMoves; i++) { // copy last variation back
16727 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16728 for(j=0; j<MOVE_LEN; j++)
16729 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16730 for(j=0; j<2*MOVE_LEN; j++)
16731 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16732 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16733 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16734 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16735 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16736 commentList[currentMove+i] = commentList[framePtr+i];
16737 commentList[framePtr+i] = NULL;
16739 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16740 framePtr = savedFramePtr[storedGames];
16741 gameInfo.result = savedResult[storedGames];
16742 if(gameInfo.resultDetails != NULL) {
16743 free(gameInfo.resultDetails);
16745 gameInfo.resultDetails = savedDetails[storedGames];
16746 forwardMostMove = currentMove + nrMoves;
16750 PopTail(Boolean annotate)
16752 if(appData.icsActive) return FALSE; // only in local mode
16753 if(!storedGames) return FALSE; // sanity
16754 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16756 PopInner(annotate);
16757 if(currentMove < forwardMostMove) ForwardEvent(); else
16758 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16760 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16766 { // remove all shelved variations
16768 for(i=0; i<storedGames; i++) {
16769 if(savedDetails[i])
16770 free(savedDetails[i]);
16771 savedDetails[i] = NULL;
16773 for(i=framePtr; i<MAX_MOVES; i++) {
16774 if(commentList[i]) free(commentList[i]);
16775 commentList[i] = NULL;
16777 framePtr = MAX_MOVES-1;
16782 LoadVariation(int index, char *text)
16783 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16784 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16785 int level = 0, move;
16787 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16788 // first find outermost bracketing variation
16789 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16790 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16791 if(*p == '{') wait = '}'; else
16792 if(*p == '[') wait = ']'; else
16793 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16794 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16796 if(*p == wait) wait = NULLCHAR; // closing ]} found
16799 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16800 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16801 end[1] = NULLCHAR; // clip off comment beyond variation
16802 ToNrEvent(currentMove-1);
16803 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16804 // kludge: use ParsePV() to append variation to game
16805 move = currentMove;
16806 ParsePV(start, TRUE, TRUE);
16807 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16808 ClearPremoveHighlights();
16810 ToNrEvent(currentMove+1);