2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
60 int flock(int f, int code);
67 #define DoSleep( n ) if( (n) >= 0) sleep(n)
78 #include <sys/types.h>
87 #else /* not STDC_HEADERS */
90 # else /* not HAVE_STRING_H */
92 # endif /* not HAVE_STRING_H */
93 #endif /* not STDC_HEADERS */
96 # include <sys/fcntl.h>
97 #else /* not HAVE_SYS_FCNTL_H */
100 # endif /* HAVE_FCNTL_H */
101 #endif /* not HAVE_SYS_FCNTL_H */
103 #if TIME_WITH_SYS_TIME
104 # include <sys/time.h>
108 # include <sys/time.h>
114 #if defined(_amigados) && !defined(__GNUC__)
119 extern int gettimeofday(struct timeval *, struct timezone *);
127 #include "frontend.h"
134 #include "backendz.h"
138 # define _(s) gettext (s)
139 # define N_(s) gettext_noop (s)
140 # define T_(s) gettext(s)
153 /* A point in time */
155 long sec; /* Assuming this is >= 32 bits */
156 int ms; /* Assuming this is >= 16 bits */
159 int establish P((void));
160 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
161 char *buf, int count, int error));
162 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
163 char *buf, int count, int error));
164 void ics_printf P((char *format, ...));
165 void SendToICS P((char *s));
166 void SendToICSDelayed P((char *s, long msdelay));
167 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
168 void HandleMachineMove P((char *message, ChessProgramState *cps));
169 int AutoPlayOneMove P((void));
170 int LoadGameOneMove P((ChessMove readAhead));
171 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
172 int LoadPositionFromFile P((char *filename, int n, char *title));
173 int SavePositionToFile P((char *filename));
174 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
176 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
177 void ShowMove P((int fromX, int fromY, int toX, int toY));
178 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
179 /*char*/int promoChar));
180 void BackwardInner P((int target));
181 void ForwardInner P((int target));
182 int Adjudicate P((ChessProgramState *cps));
183 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
184 void EditPositionDone P((Boolean fakeRights));
185 void PrintOpponents P((FILE *fp));
186 void PrintPosition P((FILE *fp, int move));
187 void StartChessProgram P((ChessProgramState *cps));
188 void SendToProgram P((char *message, ChessProgramState *cps));
189 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
190 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
191 char *buf, int count, int error));
192 void SendTimeControl P((ChessProgramState *cps,
193 int mps, long tc, int inc, int sd, int st));
194 char *TimeControlTagValue P((void));
195 void Attention P((ChessProgramState *cps));
196 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
197 int ResurrectChessProgram P((void));
198 void DisplayComment P((int moveNumber, char *text));
199 void DisplayMove P((int moveNumber));
201 void ParseGameHistory P((char *game));
202 void ParseBoard12 P((char *string));
203 void KeepAlive P((void));
204 void StartClocks P((void));
205 void SwitchClocks P((int nr));
206 void StopClocks P((void));
207 void ResetClocks P((void));
208 char *PGNDate P((void));
209 void SetGameInfo P((void));
210 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
211 int RegisterMove P((void));
212 void MakeRegisteredMove P((void));
213 void TruncateGame P((void));
214 int looking_at P((char *, int *, char *));
215 void CopyPlayerNameIntoFileName P((char **, char *));
216 char *SavePart P((char *));
217 int SaveGameOldStyle P((FILE *));
218 int SaveGamePGN P((FILE *));
219 void GetTimeMark P((TimeMark *));
220 long SubtractTimeMarks P((TimeMark *, TimeMark *));
221 int CheckFlags P((void));
222 long NextTickLength P((long));
223 void CheckTimeControl P((void));
224 void show_bytes P((FILE *, char *, int));
225 int string_to_rating P((char *str));
226 void ParseFeatures P((char* args, ChessProgramState *cps));
227 void InitBackEnd3 P((void));
228 void FeatureDone P((ChessProgramState* cps, int val));
229 void InitChessProgram P((ChessProgramState *cps, int setup));
230 void OutputKibitz(int window, char *text);
231 int PerpetualChase(int first, int last);
232 int EngineOutputIsUp();
233 void InitDrawingSizes(int x, int y);
234 void NextMatchGame P((void));
235 int NextTourneyGame P((int nr, int *swap));
236 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
237 FILE *WriteTourneyFile P((char *results));
238 void DisplayTwoMachinesTitle P(());
241 extern void ConsoleCreate();
244 ChessProgramState *WhitePlayer();
245 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
246 int VerifyDisplayMode P(());
248 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
249 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
250 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
251 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
252 void ics_update_width P((int new_width));
253 extern char installDir[MSG_SIZ];
254 VariantClass startVariant; /* [HGM] nicks: initial variant */
257 extern int tinyLayout, smallLayout;
258 ChessProgramStats programStats;
259 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
261 static int exiting = 0; /* [HGM] moved to top */
262 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
263 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
264 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
265 int partnerHighlight[2];
266 Boolean partnerBoardValid = 0;
267 char partnerStatus[MSG_SIZ];
269 Boolean originalFlip;
270 Boolean twoBoards = 0;
271 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
272 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
273 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
274 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
275 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
276 int opponentKibitzes;
277 int lastSavedGame; /* [HGM] save: ID of game */
278 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
279 extern int chatCount;
281 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
282 char lastMsg[MSG_SIZ];
283 ChessSquare pieceSweep = EmptySquare;
284 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
285 int promoDefaultAltered;
287 /* States for ics_getting_history */
289 #define H_REQUESTED 1
290 #define H_GOT_REQ_HEADER 2
291 #define H_GOT_UNREQ_HEADER 3
292 #define H_GETTING_MOVES 4
293 #define H_GOT_UNWANTED_HEADER 5
295 /* whosays values for GameEnds */
304 /* Maximum number of games in a cmail message */
305 #define CMAIL_MAX_GAMES 20
307 /* Different types of move when calling RegisterMove */
309 #define CMAIL_RESIGN 1
311 #define CMAIL_ACCEPT 3
313 /* Different types of result to remember for each game */
314 #define CMAIL_NOT_RESULT 0
315 #define CMAIL_OLD_RESULT 1
316 #define CMAIL_NEW_RESULT 2
318 /* Telnet protocol constants */
329 safeStrCpy( char *dst, const char *src, size_t count )
332 assert( dst != NULL );
333 assert( src != NULL );
336 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
337 if( i == count && dst[count-1] != NULLCHAR)
339 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
340 if(appData.debugMode)
341 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
347 /* Some compiler can't cast u64 to double
348 * This function do the job for us:
350 * We use the highest bit for cast, this only
351 * works if the highest bit is not
352 * in use (This should not happen)
354 * We used this for all compiler
357 u64ToDouble(u64 value)
360 u64 tmp = value & u64Const(0x7fffffffffffffff);
361 r = (double)(s64)tmp;
362 if (value & u64Const(0x8000000000000000))
363 r += 9.2233720368547758080e18; /* 2^63 */
367 /* Fake up flags for now, as we aren't keeping track of castling
368 availability yet. [HGM] Change of logic: the flag now only
369 indicates the type of castlings allowed by the rule of the game.
370 The actual rights themselves are maintained in the array
371 castlingRights, as part of the game history, and are not probed
377 int flags = F_ALL_CASTLE_OK;
378 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
379 switch (gameInfo.variant) {
381 flags &= ~F_ALL_CASTLE_OK;
382 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
383 flags |= F_IGNORE_CHECK;
385 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
388 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
390 case VariantKriegspiel:
391 flags |= F_KRIEGSPIEL_CAPTURE;
393 case VariantCapaRandom:
394 case VariantFischeRandom:
395 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
396 case VariantNoCastle:
397 case VariantShatranj:
401 flags &= ~F_ALL_CASTLE_OK;
409 FILE *gameFileFP, *debugFP;
412 [AS] Note: sometimes, the sscanf() function is used to parse the input
413 into a fixed-size buffer. Because of this, we must be prepared to
414 receive strings as long as the size of the input buffer, which is currently
415 set to 4K for Windows and 8K for the rest.
416 So, we must either allocate sufficiently large buffers here, or
417 reduce the size of the input buffer in the input reading part.
420 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
421 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
422 char thinkOutput1[MSG_SIZ*10];
424 ChessProgramState first, second, pairing;
426 /* premove variables */
429 int premoveFromX = 0;
430 int premoveFromY = 0;
431 int premovePromoChar = 0;
433 Boolean alarmSounded;
434 /* end premove variables */
436 char *ics_prefix = "$";
437 int ics_type = ICS_GENERIC;
439 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
440 int pauseExamForwardMostMove = 0;
441 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
442 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
443 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
444 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
445 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
446 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
447 int whiteFlag = FALSE, blackFlag = FALSE;
448 int userOfferedDraw = FALSE;
449 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
450 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
451 int cmailMoveType[CMAIL_MAX_GAMES];
452 long ics_clock_paused = 0;
453 ProcRef icsPR = NoProc, cmailPR = NoProc;
454 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
455 GameMode gameMode = BeginningOfGame;
456 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
457 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
458 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
459 int hiddenThinkOutputState = 0; /* [AS] */
460 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
461 int adjudicateLossPlies = 6;
462 char white_holding[64], black_holding[64];
463 TimeMark lastNodeCountTime;
464 long lastNodeCount=0;
465 int shiftKey; // [HGM] set by mouse handler
467 int have_sent_ICS_logon = 0;
469 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
470 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
471 long timeControl_2; /* [AS] Allow separate time controls */
472 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
473 long timeRemaining[2][MAX_MOVES];
474 int matchGame = 0, nextGame = 0, roundNr = 0;
475 Boolean waitingForGame = FALSE;
476 TimeMark programStartTime, pauseStart;
477 char ics_handle[MSG_SIZ];
478 int have_set_title = 0;
480 /* animateTraining preserves the state of appData.animate
481 * when Training mode is activated. This allows the
482 * response to be animated when appData.animate == TRUE and
483 * appData.animateDragging == TRUE.
485 Boolean animateTraining;
491 Board boards[MAX_MOVES];
492 /* [HGM] Following 7 needed for accurate legality tests: */
493 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
494 signed char initialRights[BOARD_FILES];
495 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
496 int initialRulePlies, FENrulePlies;
497 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
499 Boolean shuffleOpenings;
500 int mute; // mute all sounds
502 // [HGM] vari: next 12 to save and restore variations
503 #define MAX_VARIATIONS 10
504 int framePtr = MAX_MOVES-1; // points to free stack entry
506 int savedFirst[MAX_VARIATIONS];
507 int savedLast[MAX_VARIATIONS];
508 int savedFramePtr[MAX_VARIATIONS];
509 char *savedDetails[MAX_VARIATIONS];
510 ChessMove savedResult[MAX_VARIATIONS];
512 void PushTail P((int firstMove, int lastMove));
513 Boolean PopTail P((Boolean annotate));
514 void PushInner P((int firstMove, int lastMove));
515 void PopInner P((Boolean annotate));
516 void CleanupTail P((void));
518 ChessSquare FIDEArray[2][BOARD_FILES] = {
519 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
520 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
521 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
522 BlackKing, BlackBishop, BlackKnight, BlackRook }
525 ChessSquare twoKingsArray[2][BOARD_FILES] = {
526 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
527 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
528 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
529 BlackKing, BlackKing, BlackKnight, BlackRook }
532 ChessSquare KnightmateArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
534 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
535 { BlackRook, BlackMan, BlackBishop, BlackQueen,
536 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
539 ChessSquare SpartanArray[2][BOARD_FILES] = {
540 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
541 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
542 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
543 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
546 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
547 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
548 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
549 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
550 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
553 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
554 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
555 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
556 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
557 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
560 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
561 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
562 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
563 { BlackRook, BlackKnight, BlackMan, BlackFerz,
564 BlackKing, BlackMan, BlackKnight, BlackRook }
568 #if (BOARD_FILES>=10)
569 ChessSquare ShogiArray[2][BOARD_FILES] = {
570 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
571 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
572 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
573 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
576 ChessSquare XiangqiArray[2][BOARD_FILES] = {
577 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
578 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
579 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
580 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
583 ChessSquare CapablancaArray[2][BOARD_FILES] = {
584 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
585 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
586 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
587 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
590 ChessSquare GreatArray[2][BOARD_FILES] = {
591 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
592 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
593 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
594 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
597 ChessSquare JanusArray[2][BOARD_FILES] = {
598 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
599 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
600 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
601 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
604 ChessSquare GrandArray[2][BOARD_FILES] = {
605 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
606 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
607 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
608 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
612 ChessSquare GothicArray[2][BOARD_FILES] = {
613 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
614 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
615 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
616 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
619 #define GothicArray CapablancaArray
623 ChessSquare FalconArray[2][BOARD_FILES] = {
624 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
625 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
626 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
627 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
630 #define FalconArray CapablancaArray
633 #else // !(BOARD_FILES>=10)
634 #define XiangqiPosition FIDEArray
635 #define CapablancaArray FIDEArray
636 #define GothicArray FIDEArray
637 #define GreatArray FIDEArray
638 #endif // !(BOARD_FILES>=10)
640 #if (BOARD_FILES>=12)
641 ChessSquare CourierArray[2][BOARD_FILES] = {
642 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
643 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
644 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
645 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
647 #else // !(BOARD_FILES>=12)
648 #define CourierArray CapablancaArray
649 #endif // !(BOARD_FILES>=12)
652 Board initialPosition;
655 /* Convert str to a rating. Checks for special cases of "----",
657 "++++", etc. Also strips ()'s */
659 string_to_rating(str)
662 while(*str && !isdigit(*str)) ++str;
664 return 0; /* One of the special "no rating" cases */
672 /* Init programStats */
673 programStats.movelist[0] = 0;
674 programStats.depth = 0;
675 programStats.nr_moves = 0;
676 programStats.moves_left = 0;
677 programStats.nodes = 0;
678 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
679 programStats.score = 0;
680 programStats.got_only_move = 0;
681 programStats.got_fail = 0;
682 programStats.line_is_book = 0;
687 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
688 if (appData.firstPlaysBlack) {
689 first.twoMachinesColor = "black\n";
690 second.twoMachinesColor = "white\n";
692 first.twoMachinesColor = "white\n";
693 second.twoMachinesColor = "black\n";
696 first.other = &second;
697 second.other = &first;
700 if(appData.timeOddsMode) {
701 norm = appData.timeOdds[0];
702 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
704 first.timeOdds = appData.timeOdds[0]/norm;
705 second.timeOdds = appData.timeOdds[1]/norm;
708 if(programVersion) free(programVersion);
709 if (appData.noChessProgram) {
710 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
711 sprintf(programVersion, "%s", PACKAGE_STRING);
713 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
714 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
715 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
720 UnloadEngine(ChessProgramState *cps)
722 /* Kill off first chess program */
723 if (cps->isr != NULL)
724 RemoveInputSource(cps->isr);
727 if (cps->pr != NoProc) {
729 DoSleep( appData.delayBeforeQuit );
730 SendToProgram("quit\n", cps);
731 DoSleep( appData.delayAfterQuit );
732 DestroyChildProcess(cps->pr, cps->useSigterm);
735 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
739 ClearOptions(ChessProgramState *cps)
742 cps->nrOptions = cps->comboCnt = 0;
743 for(i=0; i<MAX_OPTIONS; i++) {
744 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
745 cps->option[i].textValue = 0;
749 char *engineNames[] = {
755 InitEngine(ChessProgramState *cps, int n)
756 { // [HGM] all engine initialiation put in a function that does one engine
760 cps->which = engineNames[n];
761 cps->maybeThinking = FALSE;
765 cps->sendDrawOffers = 1;
767 cps->program = appData.chessProgram[n];
768 cps->host = appData.host[n];
769 cps->dir = appData.directory[n];
770 cps->initString = appData.engInitString[n];
771 cps->computerString = appData.computerString[n];
772 cps->useSigint = TRUE;
773 cps->useSigterm = TRUE;
774 cps->reuse = appData.reuse[n];
775 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
776 cps->useSetboard = FALSE;
778 cps->usePing = FALSE;
781 cps->usePlayother = FALSE;
782 cps->useColors = TRUE;
783 cps->useUsermove = FALSE;
784 cps->sendICS = FALSE;
785 cps->sendName = appData.icsActive;
786 cps->sdKludge = FALSE;
787 cps->stKludge = FALSE;
788 TidyProgramName(cps->program, cps->host, cps->tidy);
790 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
791 cps->analysisSupport = 2; /* detect */
792 cps->analyzing = FALSE;
793 cps->initDone = FALSE;
795 /* New features added by Tord: */
796 cps->useFEN960 = FALSE;
797 cps->useOOCastle = TRUE;
798 /* End of new features added by Tord. */
799 cps->fenOverride = appData.fenOverride[n];
801 /* [HGM] time odds: set factor for each machine */
802 cps->timeOdds = appData.timeOdds[n];
804 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
805 cps->accumulateTC = appData.accumulateTC[n];
806 cps->maxNrOfSessions = 1;
811 cps->supportsNPS = UNKNOWN;
812 cps->memSize = FALSE;
813 cps->maxCores = FALSE;
814 cps->egtFormats[0] = NULLCHAR;
817 cps->optionSettings = appData.engOptions[n];
819 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
820 cps->isUCI = appData.isUCI[n]; /* [AS] */
821 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
823 if (appData.protocolVersion[n] > PROTOVER
824 || appData.protocolVersion[n] < 1)
829 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
830 appData.protocolVersion[n]);
831 if( (len > MSG_SIZ) && appData.debugMode )
832 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
834 DisplayFatalError(buf, 0, 2);
838 cps->protocolVersion = appData.protocolVersion[n];
841 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
844 ChessProgramState *savCps;
850 if(WaitForEngine(savCps, LoadEngine)) return;
851 CommonEngineInit(); // recalculate time odds
852 if(gameInfo.variant != StringToVariant(appData.variant)) {
853 // we changed variant when loading the engine; this forces us to reset
854 Reset(TRUE, savCps != &first);
855 EditGameEvent(); // for consistency with other path, as Reset changes mode
857 InitChessProgram(savCps, FALSE);
858 SendToProgram("force\n", savCps);
859 DisplayMessage("", "");
860 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
861 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
867 ReplaceEngine(ChessProgramState *cps, int n)
871 appData.noChessProgram = FALSE;
872 appData.clockMode = TRUE;
875 if(n) return; // only startup first engine immediately; second can wait
876 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
880 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
881 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
883 static char resetOptions[] =
884 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
885 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
888 Load(ChessProgramState *cps, int i)
890 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
891 if(engineLine[0]) { // an engine was selected from the combo box
892 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
893 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
894 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
895 ParseArgsFromString(buf);
897 ReplaceEngine(cps, i);
901 while(q = strchr(p, SLASH)) p = q+1;
902 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
903 if(engineDir[0] != NULLCHAR)
904 appData.directory[i] = engineDir;
905 else if(p != engineName) { // derive directory from engine path, when not given
907 appData.directory[i] = strdup(engineName);
909 } else appData.directory[i] = ".";
910 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
912 snprintf(command, MSG_SIZ, "%s %s", p, params);
915 appData.chessProgram[i] = strdup(p);
916 appData.isUCI[i] = isUCI;
917 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
918 appData.hasOwnBookUCI[i] = hasBook;
919 if(!nickName[0]) useNick = FALSE;
920 if(useNick) ASSIGN(appData.pgnName[i], nickName);
924 q = firstChessProgramNames;
925 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
926 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
927 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
928 quote, p, quote, appData.directory[i],
929 useNick ? " -fn \"" : "",
930 useNick ? nickName : "",
932 v1 ? " -firstProtocolVersion 1" : "",
933 hasBook ? "" : " -fNoOwnBookUCI",
934 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
935 storeVariant ? " -variant " : "",
936 storeVariant ? VariantName(gameInfo.variant) : "");
937 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
938 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
941 ReplaceEngine(cps, i);
947 int matched, min, sec;
949 * Parse timeControl resource
951 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
952 appData.movesPerSession)) {
954 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
955 DisplayFatalError(buf, 0, 2);
959 * Parse searchTime resource
961 if (*appData.searchTime != NULLCHAR) {
962 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
964 searchTime = min * 60;
965 } else if (matched == 2) {
966 searchTime = min * 60 + sec;
969 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
970 DisplayFatalError(buf, 0, 2);
979 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
980 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
982 GetTimeMark(&programStartTime);
983 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
984 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
987 programStats.ok_to_send = 1;
988 programStats.seen_stat = 0;
991 * Initialize game list
997 * Internet chess server status
999 if (appData.icsActive) {
1000 appData.matchMode = FALSE;
1001 appData.matchGames = 0;
1003 appData.noChessProgram = !appData.zippyPlay;
1005 appData.zippyPlay = FALSE;
1006 appData.zippyTalk = FALSE;
1007 appData.noChessProgram = TRUE;
1009 if (*appData.icsHelper != NULLCHAR) {
1010 appData.useTelnet = TRUE;
1011 appData.telnetProgram = appData.icsHelper;
1014 appData.zippyTalk = appData.zippyPlay = FALSE;
1017 /* [AS] Initialize pv info list [HGM] and game state */
1021 for( i=0; i<=framePtr; i++ ) {
1022 pvInfoList[i].depth = -1;
1023 boards[i][EP_STATUS] = EP_NONE;
1024 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1030 /* [AS] Adjudication threshold */
1031 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1033 InitEngine(&first, 0);
1034 InitEngine(&second, 1);
1037 pairing.which = "pairing"; // pairing engine
1038 pairing.pr = NoProc;
1040 pairing.program = appData.pairingEngine;
1041 pairing.host = "localhost";
1044 if (appData.icsActive) {
1045 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1046 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1047 appData.clockMode = FALSE;
1048 first.sendTime = second.sendTime = 0;
1052 /* Override some settings from environment variables, for backward
1053 compatibility. Unfortunately it's not feasible to have the env
1054 vars just set defaults, at least in xboard. Ugh.
1056 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1061 if (!appData.icsActive) {
1065 /* Check for variants that are supported only in ICS mode,
1066 or not at all. Some that are accepted here nevertheless
1067 have bugs; see comments below.
1069 VariantClass variant = StringToVariant(appData.variant);
1071 case VariantBughouse: /* need four players and two boards */
1072 case VariantKriegspiel: /* need to hide pieces and move details */
1073 /* case VariantFischeRandom: (Fabien: moved below) */
1074 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1075 if( (len > MSG_SIZ) && appData.debugMode )
1076 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1078 DisplayFatalError(buf, 0, 2);
1081 case VariantUnknown:
1082 case VariantLoadable:
1092 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1093 if( (len > MSG_SIZ) && appData.debugMode )
1094 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1096 DisplayFatalError(buf, 0, 2);
1099 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1100 case VariantFairy: /* [HGM] TestLegality definitely off! */
1101 case VariantGothic: /* [HGM] should work */
1102 case VariantCapablanca: /* [HGM] should work */
1103 case VariantCourier: /* [HGM] initial forced moves not implemented */
1104 case VariantShogi: /* [HGM] could still mate with pawn drop */
1105 case VariantKnightmate: /* [HGM] should work */
1106 case VariantCylinder: /* [HGM] untested */
1107 case VariantFalcon: /* [HGM] untested */
1108 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1109 offboard interposition not understood */
1110 case VariantNormal: /* definitely works! */
1111 case VariantWildCastle: /* pieces not automatically shuffled */
1112 case VariantNoCastle: /* pieces not automatically shuffled */
1113 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1114 case VariantLosers: /* should work except for win condition,
1115 and doesn't know captures are mandatory */
1116 case VariantSuicide: /* should work except for win condition,
1117 and doesn't know captures are mandatory */
1118 case VariantGiveaway: /* should work except for win condition,
1119 and doesn't know captures are mandatory */
1120 case VariantTwoKings: /* should work */
1121 case VariantAtomic: /* should work except for win condition */
1122 case Variant3Check: /* should work except for win condition */
1123 case VariantShatranj: /* should work except for all win conditions */
1124 case VariantMakruk: /* should work except for draw countdown */
1125 case VariantBerolina: /* might work if TestLegality is off */
1126 case VariantCapaRandom: /* should work */
1127 case VariantJanus: /* should work */
1128 case VariantSuper: /* experimental */
1129 case VariantGreat: /* experimental, requires legality testing to be off */
1130 case VariantSChess: /* S-Chess, should work */
1131 case VariantGrand: /* should work */
1132 case VariantSpartan: /* should work */
1139 int NextIntegerFromString( char ** str, long * value )
1144 while( *s == ' ' || *s == '\t' ) {
1150 if( *s >= '0' && *s <= '9' ) {
1151 while( *s >= '0' && *s <= '9' ) {
1152 *value = *value * 10 + (*s - '0');
1164 int NextTimeControlFromString( char ** str, long * value )
1167 int result = NextIntegerFromString( str, &temp );
1170 *value = temp * 60; /* Minutes */
1171 if( **str == ':' ) {
1173 result = NextIntegerFromString( str, &temp );
1174 *value += temp; /* Seconds */
1181 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1182 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1183 int result = -1, type = 0; long temp, temp2;
1185 if(**str != ':') return -1; // old params remain in force!
1187 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1188 if( NextIntegerFromString( str, &temp ) ) return -1;
1189 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1192 /* time only: incremental or sudden-death time control */
1193 if(**str == '+') { /* increment follows; read it */
1195 if(**str == '!') type = *(*str)++; // Bronstein TC
1196 if(result = NextIntegerFromString( str, &temp2)) return -1;
1197 *inc = temp2 * 1000;
1198 if(**str == '.') { // read fraction of increment
1199 char *start = ++(*str);
1200 if(result = NextIntegerFromString( str, &temp2)) return -1;
1202 while(start++ < *str) temp2 /= 10;
1206 *moves = 0; *tc = temp * 1000; *incType = type;
1210 (*str)++; /* classical time control */
1211 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1222 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1223 { /* [HGM] get time to add from the multi-session time-control string */
1224 int incType, moves=1; /* kludge to force reading of first session */
1225 long time, increment;
1228 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1229 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1231 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1232 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1233 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1234 if(movenr == -1) return time; /* last move before new session */
1235 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1236 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1237 if(!moves) return increment; /* current session is incremental */
1238 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1239 } while(movenr >= -1); /* try again for next session */
1241 return 0; // no new time quota on this move
1245 ParseTimeControl(tc, ti, mps)
1252 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1255 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1256 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1257 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1261 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1263 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1266 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1268 snprintf(buf, MSG_SIZ, ":%s", mytc);
1270 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1272 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1277 /* Parse second time control */
1280 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1288 timeControl_2 = tc2 * 1000;
1298 timeControl = tc1 * 1000;
1301 timeIncrement = ti * 1000; /* convert to ms */
1302 movesPerSession = 0;
1305 movesPerSession = mps;
1313 if (appData.debugMode) {
1314 fprintf(debugFP, "%s\n", programVersion);
1317 set_cont_sequence(appData.wrapContSeq);
1318 if (appData.matchGames > 0) {
1319 appData.matchMode = TRUE;
1320 } else if (appData.matchMode) {
1321 appData.matchGames = 1;
1323 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1324 appData.matchGames = appData.sameColorGames;
1325 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1326 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1327 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1330 if (appData.noChessProgram || first.protocolVersion == 1) {
1333 /* kludge: allow timeout for initial "feature" commands */
1335 DisplayMessage("", _("Starting chess program"));
1336 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1341 CalculateIndex(int index, int gameNr)
1342 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1344 if(index > 0) return index; // fixed nmber
1345 if(index == 0) return 1;
1346 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1347 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1352 LoadGameOrPosition(int gameNr)
1353 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1354 if (*appData.loadGameFile != NULLCHAR) {
1355 if (!LoadGameFromFile(appData.loadGameFile,
1356 CalculateIndex(appData.loadGameIndex, gameNr),
1357 appData.loadGameFile, FALSE)) {
1358 DisplayFatalError(_("Bad game file"), 0, 1);
1361 } else if (*appData.loadPositionFile != NULLCHAR) {
1362 if (!LoadPositionFromFile(appData.loadPositionFile,
1363 CalculateIndex(appData.loadPositionIndex, gameNr),
1364 appData.loadPositionFile)) {
1365 DisplayFatalError(_("Bad position file"), 0, 1);
1373 ReserveGame(int gameNr, char resChar)
1375 FILE *tf = fopen(appData.tourneyFile, "r+");
1376 char *p, *q, c, buf[MSG_SIZ];
1377 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1378 safeStrCpy(buf, lastMsg, MSG_SIZ);
1379 DisplayMessage(_("Pick new game"), "");
1380 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1381 ParseArgsFromFile(tf);
1382 p = q = appData.results;
1383 if(appData.debugMode) {
1384 char *r = appData.participants;
1385 fprintf(debugFP, "results = '%s'\n", p);
1386 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1387 fprintf(debugFP, "\n");
1389 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1391 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1392 safeStrCpy(q, p, strlen(p) + 2);
1393 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1394 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1395 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1396 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1399 fseek(tf, -(strlen(p)+4), SEEK_END);
1401 if(c != '"') // depending on DOS or Unix line endings we can be one off
1402 fseek(tf, -(strlen(p)+2), SEEK_END);
1403 else fseek(tf, -(strlen(p)+3), SEEK_END);
1404 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1405 DisplayMessage(buf, "");
1406 free(p); appData.results = q;
1407 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1408 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1409 UnloadEngine(&first); // next game belongs to other pairing;
1410 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1415 MatchEvent(int mode)
1416 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1418 if(matchMode) { // already in match mode: switch it off
1420 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1423 // if(gameMode != BeginningOfGame) {
1424 // DisplayError(_("You can only start a match from the initial position."), 0);
1428 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1429 /* Set up machine vs. machine match */
1431 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1432 if(appData.tourneyFile[0]) {
1434 if(nextGame > appData.matchGames) {
1436 if(strchr(appData.results, '*') == NULL) {
1438 appData.tourneyCycles++;
1439 if(f = WriteTourneyFile(appData.results)) { // make a tourney file with increased number of cycles
1441 NextTourneyGame(-1, &dummy);
1443 if(nextGame <= appData.matchGames) {
1444 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1446 ScheduleDelayedEvent(NextMatchGame, 10000);
1451 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1452 DisplayError(buf, 0);
1453 appData.tourneyFile[0] = 0;
1457 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1458 DisplayFatalError(_("Can't have a match with no chess programs"),
1463 matchGame = roundNr = 1;
1464 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1469 InitBackEnd3 P((void))
1471 GameMode initialMode;
1475 InitChessProgram(&first, startedFromSetupPosition);
1477 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1478 free(programVersion);
1479 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1480 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1483 if (appData.icsActive) {
1485 /* [DM] Make a console window if needed [HGM] merged ifs */
1491 if (*appData.icsCommPort != NULLCHAR)
1492 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1493 appData.icsCommPort);
1495 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1496 appData.icsHost, appData.icsPort);
1498 if( (len > MSG_SIZ) && appData.debugMode )
1499 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1501 DisplayFatalError(buf, err, 1);
1506 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1508 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1509 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1510 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1511 } else if (appData.noChessProgram) {
1517 if (*appData.cmailGameName != NULLCHAR) {
1519 OpenLoopback(&cmailPR);
1521 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1525 DisplayMessage("", "");
1526 if (StrCaseCmp(appData.initialMode, "") == 0) {
1527 initialMode = BeginningOfGame;
1528 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1529 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1530 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1531 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1534 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1535 initialMode = TwoMachinesPlay;
1536 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1537 initialMode = AnalyzeFile;
1538 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1539 initialMode = AnalyzeMode;
1540 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1541 initialMode = MachinePlaysWhite;
1542 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1543 initialMode = MachinePlaysBlack;
1544 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1545 initialMode = EditGame;
1546 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1547 initialMode = EditPosition;
1548 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1549 initialMode = Training;
1551 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1552 if( (len > MSG_SIZ) && appData.debugMode )
1553 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1555 DisplayFatalError(buf, 0, 2);
1559 if (appData.matchMode) {
1560 if(appData.tourneyFile[0]) { // start tourney from command line
1562 if(f = fopen(appData.tourneyFile, "r")) {
1563 ParseArgsFromFile(f); // make sure tourney parmeters re known
1565 appData.clockMode = TRUE;
1567 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1570 } else if (*appData.cmailGameName != NULLCHAR) {
1571 /* Set up cmail mode */
1572 ReloadCmailMsgEvent(TRUE);
1574 /* Set up other modes */
1575 if (initialMode == AnalyzeFile) {
1576 if (*appData.loadGameFile == NULLCHAR) {
1577 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1581 if (*appData.loadGameFile != NULLCHAR) {
1582 (void) LoadGameFromFile(appData.loadGameFile,
1583 appData.loadGameIndex,
1584 appData.loadGameFile, TRUE);
1585 } else if (*appData.loadPositionFile != NULLCHAR) {
1586 (void) LoadPositionFromFile(appData.loadPositionFile,
1587 appData.loadPositionIndex,
1588 appData.loadPositionFile);
1589 /* [HGM] try to make self-starting even after FEN load */
1590 /* to allow automatic setup of fairy variants with wtm */
1591 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1592 gameMode = BeginningOfGame;
1593 setboardSpoiledMachineBlack = 1;
1595 /* [HGM] loadPos: make that every new game uses the setup */
1596 /* from file as long as we do not switch variant */
1597 if(!blackPlaysFirst) {
1598 startedFromPositionFile = TRUE;
1599 CopyBoard(filePosition, boards[0]);
1602 if (initialMode == AnalyzeMode) {
1603 if (appData.noChessProgram) {
1604 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1607 if (appData.icsActive) {
1608 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1612 } else if (initialMode == AnalyzeFile) {
1613 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1614 ShowThinkingEvent();
1616 AnalysisPeriodicEvent(1);
1617 } else if (initialMode == MachinePlaysWhite) {
1618 if (appData.noChessProgram) {
1619 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1623 if (appData.icsActive) {
1624 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1628 MachineWhiteEvent();
1629 } else if (initialMode == MachinePlaysBlack) {
1630 if (appData.noChessProgram) {
1631 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1635 if (appData.icsActive) {
1636 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1640 MachineBlackEvent();
1641 } else if (initialMode == TwoMachinesPlay) {
1642 if (appData.noChessProgram) {
1643 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1647 if (appData.icsActive) {
1648 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1653 } else if (initialMode == EditGame) {
1655 } else if (initialMode == EditPosition) {
1656 EditPositionEvent();
1657 } else if (initialMode == Training) {
1658 if (*appData.loadGameFile == NULLCHAR) {
1659 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1668 * Establish will establish a contact to a remote host.port.
1669 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1670 * used to talk to the host.
1671 * Returns 0 if okay, error code if not.
1678 if (*appData.icsCommPort != NULLCHAR) {
1679 /* Talk to the host through a serial comm port */
1680 return OpenCommPort(appData.icsCommPort, &icsPR);
1682 } else if (*appData.gateway != NULLCHAR) {
1683 if (*appData.remoteShell == NULLCHAR) {
1684 /* Use the rcmd protocol to run telnet program on a gateway host */
1685 snprintf(buf, sizeof(buf), "%s %s %s",
1686 appData.telnetProgram, appData.icsHost, appData.icsPort);
1687 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1690 /* Use the rsh program to run telnet program on a gateway host */
1691 if (*appData.remoteUser == NULLCHAR) {
1692 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1693 appData.gateway, appData.telnetProgram,
1694 appData.icsHost, appData.icsPort);
1696 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1697 appData.remoteShell, appData.gateway,
1698 appData.remoteUser, appData.telnetProgram,
1699 appData.icsHost, appData.icsPort);
1701 return StartChildProcess(buf, "", &icsPR);
1704 } else if (appData.useTelnet) {
1705 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1708 /* TCP socket interface differs somewhat between
1709 Unix and NT; handle details in the front end.
1711 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1715 void EscapeExpand(char *p, char *q)
1716 { // [HGM] initstring: routine to shape up string arguments
1717 while(*p++ = *q++) if(p[-1] == '\\')
1719 case 'n': p[-1] = '\n'; break;
1720 case 'r': p[-1] = '\r'; break;
1721 case 't': p[-1] = '\t'; break;
1722 case '\\': p[-1] = '\\'; break;
1723 case 0: *p = 0; return;
1724 default: p[-1] = q[-1]; break;
1729 show_bytes(fp, buf, count)
1735 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1736 fprintf(fp, "\\%03o", *buf & 0xff);
1745 /* Returns an errno value */
1747 OutputMaybeTelnet(pr, message, count, outError)
1753 char buf[8192], *p, *q, *buflim;
1754 int left, newcount, outcount;
1756 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1757 *appData.gateway != NULLCHAR) {
1758 if (appData.debugMode) {
1759 fprintf(debugFP, ">ICS: ");
1760 show_bytes(debugFP, message, count);
1761 fprintf(debugFP, "\n");
1763 return OutputToProcess(pr, message, count, outError);
1766 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1773 if (appData.debugMode) {
1774 fprintf(debugFP, ">ICS: ");
1775 show_bytes(debugFP, buf, newcount);
1776 fprintf(debugFP, "\n");
1778 outcount = OutputToProcess(pr, buf, newcount, outError);
1779 if (outcount < newcount) return -1; /* to be sure */
1786 } else if (((unsigned char) *p) == TN_IAC) {
1787 *q++ = (char) TN_IAC;
1794 if (appData.debugMode) {
1795 fprintf(debugFP, ">ICS: ");
1796 show_bytes(debugFP, buf, newcount);
1797 fprintf(debugFP, "\n");
1799 outcount = OutputToProcess(pr, buf, newcount, outError);
1800 if (outcount < newcount) return -1; /* to be sure */
1805 read_from_player(isr, closure, message, count, error)
1812 int outError, outCount;
1813 static int gotEof = 0;
1815 /* Pass data read from player on to ICS */
1818 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1819 if (outCount < count) {
1820 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1822 } else if (count < 0) {
1823 RemoveInputSource(isr);
1824 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1825 } else if (gotEof++ > 0) {
1826 RemoveInputSource(isr);
1827 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1833 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1834 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1835 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1836 SendToICS("date\n");
1837 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1840 /* added routine for printf style output to ics */
1841 void ics_printf(char *format, ...)
1843 char buffer[MSG_SIZ];
1846 va_start(args, format);
1847 vsnprintf(buffer, sizeof(buffer), format, args);
1848 buffer[sizeof(buffer)-1] = '\0';
1857 int count, outCount, outError;
1859 if (icsPR == NULL) return;
1862 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1863 if (outCount < count) {
1864 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1868 /* This is used for sending logon scripts to the ICS. Sending
1869 without a delay causes problems when using timestamp on ICC
1870 (at least on my machine). */
1872 SendToICSDelayed(s,msdelay)
1876 int count, outCount, outError;
1878 if (icsPR == NULL) return;
1881 if (appData.debugMode) {
1882 fprintf(debugFP, ">ICS: ");
1883 show_bytes(debugFP, s, count);
1884 fprintf(debugFP, "\n");
1886 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1888 if (outCount < count) {
1889 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1894 /* Remove all highlighting escape sequences in s
1895 Also deletes any suffix starting with '('
1898 StripHighlightAndTitle(s)
1901 static char retbuf[MSG_SIZ];
1904 while (*s != NULLCHAR) {
1905 while (*s == '\033') {
1906 while (*s != NULLCHAR && !isalpha(*s)) s++;
1907 if (*s != NULLCHAR) s++;
1909 while (*s != NULLCHAR && *s != '\033') {
1910 if (*s == '(' || *s == '[') {
1921 /* Remove all highlighting escape sequences in s */
1926 static char retbuf[MSG_SIZ];
1929 while (*s != NULLCHAR) {
1930 while (*s == '\033') {
1931 while (*s != NULLCHAR && !isalpha(*s)) s++;
1932 if (*s != NULLCHAR) s++;
1934 while (*s != NULLCHAR && *s != '\033') {
1942 char *variantNames[] = VARIANT_NAMES;
1947 return variantNames[v];
1951 /* Identify a variant from the strings the chess servers use or the
1952 PGN Variant tag names we use. */
1959 VariantClass v = VariantNormal;
1960 int i, found = FALSE;
1966 /* [HGM] skip over optional board-size prefixes */
1967 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1968 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1969 while( *e++ != '_');
1972 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1976 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1977 if (StrCaseStr(e, variantNames[i])) {
1978 v = (VariantClass) i;
1985 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1986 || StrCaseStr(e, "wild/fr")
1987 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1988 v = VariantFischeRandom;
1989 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1990 (i = 1, p = StrCaseStr(e, "w"))) {
1992 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1999 case 0: /* FICS only, actually */
2001 /* Castling legal even if K starts on d-file */
2002 v = VariantWildCastle;
2007 /* Castling illegal even if K & R happen to start in
2008 normal positions. */
2009 v = VariantNoCastle;
2022 /* Castling legal iff K & R start in normal positions */
2028 /* Special wilds for position setup; unclear what to do here */
2029 v = VariantLoadable;
2032 /* Bizarre ICC game */
2033 v = VariantTwoKings;
2036 v = VariantKriegspiel;
2042 v = VariantFischeRandom;
2045 v = VariantCrazyhouse;
2048 v = VariantBughouse;
2054 /* Not quite the same as FICS suicide! */
2055 v = VariantGiveaway;
2061 v = VariantShatranj;
2064 /* Temporary names for future ICC types. The name *will* change in
2065 the next xboard/WinBoard release after ICC defines it. */
2103 v = VariantCapablanca;
2106 v = VariantKnightmate;
2112 v = VariantCylinder;
2118 v = VariantCapaRandom;
2121 v = VariantBerolina;
2133 /* Found "wild" or "w" in the string but no number;
2134 must assume it's normal chess. */
2138 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2139 if( (len > MSG_SIZ) && appData.debugMode )
2140 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2142 DisplayError(buf, 0);
2148 if (appData.debugMode) {
2149 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2150 e, wnum, VariantName(v));
2155 static int leftover_start = 0, leftover_len = 0;
2156 char star_match[STAR_MATCH_N][MSG_SIZ];
2158 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2159 advance *index beyond it, and set leftover_start to the new value of
2160 *index; else return FALSE. If pattern contains the character '*', it
2161 matches any sequence of characters not containing '\r', '\n', or the
2162 character following the '*' (if any), and the matched sequence(s) are
2163 copied into star_match.
2166 looking_at(buf, index, pattern)
2171 char *bufp = &buf[*index], *patternp = pattern;
2173 char *matchp = star_match[0];
2176 if (*patternp == NULLCHAR) {
2177 *index = leftover_start = bufp - buf;
2181 if (*bufp == NULLCHAR) return FALSE;
2182 if (*patternp == '*') {
2183 if (*bufp == *(patternp + 1)) {
2185 matchp = star_match[++star_count];
2189 } else if (*bufp == '\n' || *bufp == '\r') {
2191 if (*patternp == NULLCHAR)
2196 *matchp++ = *bufp++;
2200 if (*patternp != *bufp) return FALSE;
2207 SendToPlayer(data, length)
2211 int error, outCount;
2212 outCount = OutputToProcess(NoProc, data, length, &error);
2213 if (outCount < length) {
2214 DisplayFatalError(_("Error writing to display"), error, 1);
2219 PackHolding(packed, holding)
2231 switch (runlength) {
2242 sprintf(q, "%d", runlength);
2254 /* Telnet protocol requests from the front end */
2256 TelnetRequest(ddww, option)
2257 unsigned char ddww, option;
2259 unsigned char msg[3];
2260 int outCount, outError;
2262 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2264 if (appData.debugMode) {
2265 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2281 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2290 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2293 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2298 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2300 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2307 if (!appData.icsActive) return;
2308 TelnetRequest(TN_DO, TN_ECHO);
2314 if (!appData.icsActive) return;
2315 TelnetRequest(TN_DONT, TN_ECHO);
2319 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2321 /* put the holdings sent to us by the server on the board holdings area */
2322 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2326 if(gameInfo.holdingsWidth < 2) return;
2327 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2328 return; // prevent overwriting by pre-board holdings
2330 if( (int)lowestPiece >= BlackPawn ) {
2333 holdingsStartRow = BOARD_HEIGHT-1;
2336 holdingsColumn = BOARD_WIDTH-1;
2337 countsColumn = BOARD_WIDTH-2;
2338 holdingsStartRow = 0;
2342 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2343 board[i][holdingsColumn] = EmptySquare;
2344 board[i][countsColumn] = (ChessSquare) 0;
2346 while( (p=*holdings++) != NULLCHAR ) {
2347 piece = CharToPiece( ToUpper(p) );
2348 if(piece == EmptySquare) continue;
2349 /*j = (int) piece - (int) WhitePawn;*/
2350 j = PieceToNumber(piece);
2351 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2352 if(j < 0) continue; /* should not happen */
2353 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2354 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2355 board[holdingsStartRow+j*direction][countsColumn]++;
2361 VariantSwitch(Board board, VariantClass newVariant)
2363 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2364 static Board oldBoard;
2366 startedFromPositionFile = FALSE;
2367 if(gameInfo.variant == newVariant) return;
2369 /* [HGM] This routine is called each time an assignment is made to
2370 * gameInfo.variant during a game, to make sure the board sizes
2371 * are set to match the new variant. If that means adding or deleting
2372 * holdings, we shift the playing board accordingly
2373 * This kludge is needed because in ICS observe mode, we get boards
2374 * of an ongoing game without knowing the variant, and learn about the
2375 * latter only later. This can be because of the move list we requested,
2376 * in which case the game history is refilled from the beginning anyway,
2377 * but also when receiving holdings of a crazyhouse game. In the latter
2378 * case we want to add those holdings to the already received position.
2382 if (appData.debugMode) {
2383 fprintf(debugFP, "Switch board from %s to %s\n",
2384 VariantName(gameInfo.variant), VariantName(newVariant));
2385 setbuf(debugFP, NULL);
2387 shuffleOpenings = 0; /* [HGM] shuffle */
2388 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2392 newWidth = 9; newHeight = 9;
2393 gameInfo.holdingsSize = 7;
2394 case VariantBughouse:
2395 case VariantCrazyhouse:
2396 newHoldingsWidth = 2; break;
2400 newHoldingsWidth = 2;
2401 gameInfo.holdingsSize = 8;
2404 case VariantCapablanca:
2405 case VariantCapaRandom:
2408 newHoldingsWidth = gameInfo.holdingsSize = 0;
2411 if(newWidth != gameInfo.boardWidth ||
2412 newHeight != gameInfo.boardHeight ||
2413 newHoldingsWidth != gameInfo.holdingsWidth ) {
2415 /* shift position to new playing area, if needed */
2416 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2417 for(i=0; i<BOARD_HEIGHT; i++)
2418 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2419 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2421 for(i=0; i<newHeight; i++) {
2422 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2423 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2425 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2426 for(i=0; i<BOARD_HEIGHT; i++)
2427 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2428 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2431 gameInfo.boardWidth = newWidth;
2432 gameInfo.boardHeight = newHeight;
2433 gameInfo.holdingsWidth = newHoldingsWidth;
2434 gameInfo.variant = newVariant;
2435 InitDrawingSizes(-2, 0);
2436 } else gameInfo.variant = newVariant;
2437 CopyBoard(oldBoard, board); // remember correctly formatted board
2438 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2439 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2442 static int loggedOn = FALSE;
2444 /*-- Game start info cache: --*/
2446 char gs_kind[MSG_SIZ];
2447 static char player1Name[128] = "";
2448 static char player2Name[128] = "";
2449 static char cont_seq[] = "\n\\ ";
2450 static int player1Rating = -1;
2451 static int player2Rating = -1;
2452 /*----------------------------*/
2454 ColorClass curColor = ColorNormal;
2455 int suppressKibitz = 0;
2458 Boolean soughtPending = FALSE;
2459 Boolean seekGraphUp;
2460 #define MAX_SEEK_ADS 200
2462 char *seekAdList[MAX_SEEK_ADS];
2463 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2464 float tcList[MAX_SEEK_ADS];
2465 char colorList[MAX_SEEK_ADS];
2466 int nrOfSeekAds = 0;
2467 int minRating = 1010, maxRating = 2800;
2468 int hMargin = 10, vMargin = 20, h, w;
2469 extern int squareSize, lineGap;
2474 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2475 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2476 if(r < minRating+100 && r >=0 ) r = minRating+100;
2477 if(r > maxRating) r = maxRating;
2478 if(tc < 1.) tc = 1.;
2479 if(tc > 95.) tc = 95.;
2480 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2481 y = ((double)r - minRating)/(maxRating - minRating)
2482 * (h-vMargin-squareSize/8-1) + vMargin;
2483 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2484 if(strstr(seekAdList[i], " u ")) color = 1;
2485 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2486 !strstr(seekAdList[i], "bullet") &&
2487 !strstr(seekAdList[i], "blitz") &&
2488 !strstr(seekAdList[i], "standard") ) color = 2;
2489 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2490 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2494 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2496 char buf[MSG_SIZ], *ext = "";
2497 VariantClass v = StringToVariant(type);
2498 if(strstr(type, "wild")) {
2499 ext = type + 4; // append wild number
2500 if(v == VariantFischeRandom) type = "chess960"; else
2501 if(v == VariantLoadable) type = "setup"; else
2502 type = VariantName(v);
2504 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2505 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2506 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2507 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2508 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2509 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2510 seekNrList[nrOfSeekAds] = nr;
2511 zList[nrOfSeekAds] = 0;
2512 seekAdList[nrOfSeekAds++] = StrSave(buf);
2513 if(plot) PlotSeekAd(nrOfSeekAds-1);
2520 int x = xList[i], y = yList[i], d=squareSize/4, k;
2521 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2522 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2523 // now replot every dot that overlapped
2524 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2525 int xx = xList[k], yy = yList[k];
2526 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2527 DrawSeekDot(xx, yy, colorList[k]);
2532 RemoveSeekAd(int nr)
2535 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2537 if(seekAdList[i]) free(seekAdList[i]);
2538 seekAdList[i] = seekAdList[--nrOfSeekAds];
2539 seekNrList[i] = seekNrList[nrOfSeekAds];
2540 ratingList[i] = ratingList[nrOfSeekAds];
2541 colorList[i] = colorList[nrOfSeekAds];
2542 tcList[i] = tcList[nrOfSeekAds];
2543 xList[i] = xList[nrOfSeekAds];
2544 yList[i] = yList[nrOfSeekAds];
2545 zList[i] = zList[nrOfSeekAds];
2546 seekAdList[nrOfSeekAds] = NULL;
2552 MatchSoughtLine(char *line)
2554 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2555 int nr, base, inc, u=0; char dummy;
2557 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2558 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2560 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2561 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2562 // match: compact and save the line
2563 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2573 if(!seekGraphUp) return FALSE;
2574 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2575 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2577 DrawSeekBackground(0, 0, w, h);
2578 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2579 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2580 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2581 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2583 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2586 snprintf(buf, MSG_SIZ, "%d", i);
2587 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2590 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2591 for(i=1; i<100; i+=(i<10?1:5)) {
2592 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2593 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2594 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2596 snprintf(buf, MSG_SIZ, "%d", i);
2597 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2600 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2604 int SeekGraphClick(ClickType click, int x, int y, int moving)
2606 static int lastDown = 0, displayed = 0, lastSecond;
2607 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2608 if(click == Release || moving) return FALSE;
2610 soughtPending = TRUE;
2611 SendToICS(ics_prefix);
2612 SendToICS("sought\n"); // should this be "sought all"?
2613 } else { // issue challenge based on clicked ad
2614 int dist = 10000; int i, closest = 0, second = 0;
2615 for(i=0; i<nrOfSeekAds; i++) {
2616 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2617 if(d < dist) { dist = d; closest = i; }
2618 second += (d - zList[i] < 120); // count in-range ads
2619 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2623 second = (second > 1);
2624 if(displayed != closest || second != lastSecond) {
2625 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2626 lastSecond = second; displayed = closest;
2628 if(click == Press) {
2629 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2632 } // on press 'hit', only show info
2633 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2634 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2635 SendToICS(ics_prefix);
2637 return TRUE; // let incoming board of started game pop down the graph
2638 } else if(click == Release) { // release 'miss' is ignored
2639 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2640 if(moving == 2) { // right up-click
2641 nrOfSeekAds = 0; // refresh graph
2642 soughtPending = TRUE;
2643 SendToICS(ics_prefix);
2644 SendToICS("sought\n"); // should this be "sought all"?
2647 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2648 // press miss or release hit 'pop down' seek graph
2649 seekGraphUp = FALSE;
2650 DrawPosition(TRUE, NULL);
2656 read_from_ics(isr, closure, data, count, error)
2663 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2664 #define STARTED_NONE 0
2665 #define STARTED_MOVES 1
2666 #define STARTED_BOARD 2
2667 #define STARTED_OBSERVE 3
2668 #define STARTED_HOLDINGS 4
2669 #define STARTED_CHATTER 5
2670 #define STARTED_COMMENT 6
2671 #define STARTED_MOVES_NOHIDE 7
2673 static int started = STARTED_NONE;
2674 static char parse[20000];
2675 static int parse_pos = 0;
2676 static char buf[BUF_SIZE + 1];
2677 static int firstTime = TRUE, intfSet = FALSE;
2678 static ColorClass prevColor = ColorNormal;
2679 static int savingComment = FALSE;
2680 static int cmatch = 0; // continuation sequence match
2687 int backup; /* [DM] For zippy color lines */
2689 char talker[MSG_SIZ]; // [HGM] chat
2692 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2694 if (appData.debugMode) {
2696 fprintf(debugFP, "<ICS: ");
2697 show_bytes(debugFP, data, count);
2698 fprintf(debugFP, "\n");
2702 if (appData.debugMode) { int f = forwardMostMove;
2703 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2704 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2705 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2708 /* If last read ended with a partial line that we couldn't parse,
2709 prepend it to the new read and try again. */
2710 if (leftover_len > 0) {
2711 for (i=0; i<leftover_len; i++)
2712 buf[i] = buf[leftover_start + i];
2715 /* copy new characters into the buffer */
2716 bp = buf + leftover_len;
2717 buf_len=leftover_len;
2718 for (i=0; i<count; i++)
2721 if (data[i] == '\r')
2724 // join lines split by ICS?
2725 if (!appData.noJoin)
2728 Joining just consists of finding matches against the
2729 continuation sequence, and discarding that sequence
2730 if found instead of copying it. So, until a match
2731 fails, there's nothing to do since it might be the
2732 complete sequence, and thus, something we don't want
2735 if (data[i] == cont_seq[cmatch])
2738 if (cmatch == strlen(cont_seq))
2740 cmatch = 0; // complete match. just reset the counter
2743 it's possible for the ICS to not include the space
2744 at the end of the last word, making our [correct]
2745 join operation fuse two separate words. the server
2746 does this when the space occurs at the width setting.
2748 if (!buf_len || buf[buf_len-1] != ' ')
2759 match failed, so we have to copy what matched before
2760 falling through and copying this character. In reality,
2761 this will only ever be just the newline character, but
2762 it doesn't hurt to be precise.
2764 strncpy(bp, cont_seq, cmatch);
2776 buf[buf_len] = NULLCHAR;
2777 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2782 while (i < buf_len) {
2783 /* Deal with part of the TELNET option negotiation
2784 protocol. We refuse to do anything beyond the
2785 defaults, except that we allow the WILL ECHO option,
2786 which ICS uses to turn off password echoing when we are
2787 directly connected to it. We reject this option
2788 if localLineEditing mode is on (always on in xboard)
2789 and we are talking to port 23, which might be a real
2790 telnet server that will try to keep WILL ECHO on permanently.
2792 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2793 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2794 unsigned char option;
2796 switch ((unsigned char) buf[++i]) {
2798 if (appData.debugMode)
2799 fprintf(debugFP, "\n<WILL ");
2800 switch (option = (unsigned char) buf[++i]) {
2802 if (appData.debugMode)
2803 fprintf(debugFP, "ECHO ");
2804 /* Reply only if this is a change, according
2805 to the protocol rules. */
2806 if (remoteEchoOption) break;
2807 if (appData.localLineEditing &&
2808 atoi(appData.icsPort) == TN_PORT) {
2809 TelnetRequest(TN_DONT, TN_ECHO);
2812 TelnetRequest(TN_DO, TN_ECHO);
2813 remoteEchoOption = TRUE;
2817 if (appData.debugMode)
2818 fprintf(debugFP, "%d ", option);
2819 /* Whatever this is, we don't want it. */
2820 TelnetRequest(TN_DONT, option);
2825 if (appData.debugMode)
2826 fprintf(debugFP, "\n<WONT ");
2827 switch (option = (unsigned char) buf[++i]) {
2829 if (appData.debugMode)
2830 fprintf(debugFP, "ECHO ");
2831 /* Reply only if this is a change, according
2832 to the protocol rules. */
2833 if (!remoteEchoOption) break;
2835 TelnetRequest(TN_DONT, TN_ECHO);
2836 remoteEchoOption = FALSE;
2839 if (appData.debugMode)
2840 fprintf(debugFP, "%d ", (unsigned char) option);
2841 /* Whatever this is, it must already be turned
2842 off, because we never agree to turn on
2843 anything non-default, so according to the
2844 protocol rules, we don't reply. */
2849 if (appData.debugMode)
2850 fprintf(debugFP, "\n<DO ");
2851 switch (option = (unsigned char) buf[++i]) {
2853 /* Whatever this is, we refuse to do it. */
2854 if (appData.debugMode)
2855 fprintf(debugFP, "%d ", option);
2856 TelnetRequest(TN_WONT, option);
2861 if (appData.debugMode)
2862 fprintf(debugFP, "\n<DONT ");
2863 switch (option = (unsigned char) buf[++i]) {
2865 if (appData.debugMode)
2866 fprintf(debugFP, "%d ", option);
2867 /* Whatever this is, we are already not doing
2868 it, because we never agree to do anything
2869 non-default, so according to the protocol
2870 rules, we don't reply. */
2875 if (appData.debugMode)
2876 fprintf(debugFP, "\n<IAC ");
2877 /* Doubled IAC; pass it through */
2881 if (appData.debugMode)
2882 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2883 /* Drop all other telnet commands on the floor */
2886 if (oldi > next_out)
2887 SendToPlayer(&buf[next_out], oldi - next_out);
2893 /* OK, this at least will *usually* work */
2894 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2898 if (loggedOn && !intfSet) {
2899 if (ics_type == ICS_ICC) {
2900 snprintf(str, MSG_SIZ,
2901 "/set-quietly interface %s\n/set-quietly style 12\n",
2903 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2904 strcat(str, "/set-2 51 1\n/set seek 1\n");
2905 } else if (ics_type == ICS_CHESSNET) {
2906 snprintf(str, MSG_SIZ, "/style 12\n");
2908 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2909 strcat(str, programVersion);
2910 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2911 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2912 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2914 strcat(str, "$iset nohighlight 1\n");
2916 strcat(str, "$iset lock 1\n$style 12\n");
2919 NotifyFrontendLogin();
2923 if (started == STARTED_COMMENT) {
2924 /* Accumulate characters in comment */
2925 parse[parse_pos++] = buf[i];
2926 if (buf[i] == '\n') {
2927 parse[parse_pos] = NULLCHAR;
2928 if(chattingPartner>=0) {
2930 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2931 OutputChatMessage(chattingPartner, mess);
2932 chattingPartner = -1;
2933 next_out = i+1; // [HGM] suppress printing in ICS window
2935 if(!suppressKibitz) // [HGM] kibitz
2936 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2937 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2938 int nrDigit = 0, nrAlph = 0, j;
2939 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2940 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2941 parse[parse_pos] = NULLCHAR;
2942 // try to be smart: if it does not look like search info, it should go to
2943 // ICS interaction window after all, not to engine-output window.
2944 for(j=0; j<parse_pos; j++) { // count letters and digits
2945 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2946 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2947 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2949 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2950 int depth=0; float score;
2951 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2952 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2953 pvInfoList[forwardMostMove-1].depth = depth;
2954 pvInfoList[forwardMostMove-1].score = 100*score;
2956 OutputKibitz(suppressKibitz, parse);
2959 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2960 SendToPlayer(tmp, strlen(tmp));
2962 next_out = i+1; // [HGM] suppress printing in ICS window
2964 started = STARTED_NONE;
2966 /* Don't match patterns against characters in comment */
2971 if (started == STARTED_CHATTER) {
2972 if (buf[i] != '\n') {
2973 /* Don't match patterns against characters in chatter */
2977 started = STARTED_NONE;
2978 if(suppressKibitz) next_out = i+1;
2981 /* Kludge to deal with rcmd protocol */
2982 if (firstTime && looking_at(buf, &i, "\001*")) {
2983 DisplayFatalError(&buf[1], 0, 1);
2989 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2992 if (appData.debugMode)
2993 fprintf(debugFP, "ics_type %d\n", ics_type);
2996 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2997 ics_type = ICS_FICS;
2999 if (appData.debugMode)
3000 fprintf(debugFP, "ics_type %d\n", ics_type);
3003 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3004 ics_type = ICS_CHESSNET;
3006 if (appData.debugMode)
3007 fprintf(debugFP, "ics_type %d\n", ics_type);
3012 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3013 looking_at(buf, &i, "Logging you in as \"*\"") ||
3014 looking_at(buf, &i, "will be \"*\""))) {
3015 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3019 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3021 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3022 DisplayIcsInteractionTitle(buf);
3023 have_set_title = TRUE;
3026 /* skip finger notes */
3027 if (started == STARTED_NONE &&
3028 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3029 (buf[i] == '1' && buf[i+1] == '0')) &&
3030 buf[i+2] == ':' && buf[i+3] == ' ') {
3031 started = STARTED_CHATTER;
3037 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3038 if(appData.seekGraph) {
3039 if(soughtPending && MatchSoughtLine(buf+i)) {
3040 i = strstr(buf+i, "rated") - buf;
3041 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3042 next_out = leftover_start = i;
3043 started = STARTED_CHATTER;
3044 suppressKibitz = TRUE;
3047 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3048 && looking_at(buf, &i, "* ads displayed")) {
3049 soughtPending = FALSE;
3054 if(appData.autoRefresh) {
3055 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3056 int s = (ics_type == ICS_ICC); // ICC format differs
3058 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3059 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3060 looking_at(buf, &i, "*% "); // eat prompt
3061 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3062 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3063 next_out = i; // suppress
3066 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3067 char *p = star_match[0];
3069 if(seekGraphUp) RemoveSeekAd(atoi(p));
3070 while(*p && *p++ != ' '); // next
3072 looking_at(buf, &i, "*% "); // eat prompt
3073 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3080 /* skip formula vars */
3081 if (started == STARTED_NONE &&
3082 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3083 started = STARTED_CHATTER;
3088 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3089 if (appData.autoKibitz && started == STARTED_NONE &&
3090 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3091 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3092 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3093 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3094 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3095 suppressKibitz = TRUE;
3096 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3098 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3099 && (gameMode == IcsPlayingWhite)) ||
3100 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3101 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3102 started = STARTED_CHATTER; // own kibitz we simply discard
3104 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3105 parse_pos = 0; parse[0] = NULLCHAR;
3106 savingComment = TRUE;
3107 suppressKibitz = gameMode != IcsObserving ? 2 :
3108 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3112 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3113 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3114 && atoi(star_match[0])) {
3115 // suppress the acknowledgements of our own autoKibitz
3117 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3118 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3119 SendToPlayer(star_match[0], strlen(star_match[0]));
3120 if(looking_at(buf, &i, "*% ")) // eat prompt
3121 suppressKibitz = FALSE;
3125 } // [HGM] kibitz: end of patch
3127 // [HGM] chat: intercept tells by users for which we have an open chat window
3129 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3130 looking_at(buf, &i, "* whispers:") ||
3131 looking_at(buf, &i, "* kibitzes:") ||
3132 looking_at(buf, &i, "* shouts:") ||
3133 looking_at(buf, &i, "* c-shouts:") ||
3134 looking_at(buf, &i, "--> * ") ||
3135 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3136 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3137 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3138 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3140 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3141 chattingPartner = -1;
3143 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3144 for(p=0; p<MAX_CHAT; p++) {
3145 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3146 talker[0] = '['; strcat(talker, "] ");
3147 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3148 chattingPartner = p; break;
3151 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3152 for(p=0; p<MAX_CHAT; p++) {
3153 if(!strcmp("kibitzes", chatPartner[p])) {
3154 talker[0] = '['; strcat(talker, "] ");
3155 chattingPartner = p; break;
3158 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3159 for(p=0; p<MAX_CHAT; p++) {
3160 if(!strcmp("whispers", chatPartner[p])) {
3161 talker[0] = '['; strcat(talker, "] ");
3162 chattingPartner = p; break;
3165 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3166 if(buf[i-8] == '-' && buf[i-3] == 't')
3167 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3168 if(!strcmp("c-shouts", chatPartner[p])) {
3169 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3170 chattingPartner = p; break;
3173 if(chattingPartner < 0)
3174 for(p=0; p<MAX_CHAT; p++) {
3175 if(!strcmp("shouts", chatPartner[p])) {
3176 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3177 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3178 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3179 chattingPartner = p; break;
3183 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3184 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3185 talker[0] = 0; Colorize(ColorTell, FALSE);
3186 chattingPartner = p; break;
3188 if(chattingPartner<0) i = oldi; else {
3189 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3190 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3191 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3192 started = STARTED_COMMENT;
3193 parse_pos = 0; parse[0] = NULLCHAR;
3194 savingComment = 3 + chattingPartner; // counts as TRUE
3195 suppressKibitz = TRUE;
3198 } // [HGM] chat: end of patch
3201 if (appData.zippyTalk || appData.zippyPlay) {
3202 /* [DM] Backup address for color zippy lines */
3204 if (loggedOn == TRUE)
3205 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3206 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3208 } // [DM] 'else { ' deleted
3210 /* Regular tells and says */
3211 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3212 looking_at(buf, &i, "* (your partner) tells you: ") ||
3213 looking_at(buf, &i, "* says: ") ||
3214 /* Don't color "message" or "messages" output */
3215 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3216 looking_at(buf, &i, "*. * at *:*: ") ||
3217 looking_at(buf, &i, "--* (*:*): ") ||
3218 /* Message notifications (same color as tells) */
3219 looking_at(buf, &i, "* has left a message ") ||
3220 looking_at(buf, &i, "* just sent you a message:\n") ||
3221 /* Whispers and kibitzes */
3222 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3223 looking_at(buf, &i, "* kibitzes: ") ||
3225 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3227 if (tkind == 1 && strchr(star_match[0], ':')) {
3228 /* Avoid "tells you:" spoofs in channels */
3231 if (star_match[0][0] == NULLCHAR ||
3232 strchr(star_match[0], ' ') ||
3233 (tkind == 3 && strchr(star_match[1], ' '))) {
3234 /* Reject bogus matches */
3237 if (appData.colorize) {
3238 if (oldi > next_out) {
3239 SendToPlayer(&buf[next_out], oldi - next_out);
3244 Colorize(ColorTell, FALSE);
3245 curColor = ColorTell;
3248 Colorize(ColorKibitz, FALSE);
3249 curColor = ColorKibitz;
3252 p = strrchr(star_match[1], '(');
3259 Colorize(ColorChannel1, FALSE);
3260 curColor = ColorChannel1;
3262 Colorize(ColorChannel, FALSE);
3263 curColor = ColorChannel;
3267 curColor = ColorNormal;
3271 if (started == STARTED_NONE && appData.autoComment &&
3272 (gameMode == IcsObserving ||
3273 gameMode == IcsPlayingWhite ||
3274 gameMode == IcsPlayingBlack)) {
3275 parse_pos = i - oldi;
3276 memcpy(parse, &buf[oldi], parse_pos);
3277 parse[parse_pos] = NULLCHAR;
3278 started = STARTED_COMMENT;
3279 savingComment = TRUE;
3281 started = STARTED_CHATTER;
3282 savingComment = FALSE;
3289 if (looking_at(buf, &i, "* s-shouts: ") ||
3290 looking_at(buf, &i, "* c-shouts: ")) {
3291 if (appData.colorize) {
3292 if (oldi > next_out) {
3293 SendToPlayer(&buf[next_out], oldi - next_out);
3296 Colorize(ColorSShout, FALSE);
3297 curColor = ColorSShout;
3300 started = STARTED_CHATTER;
3304 if (looking_at(buf, &i, "--->")) {
3309 if (looking_at(buf, &i, "* shouts: ") ||
3310 looking_at(buf, &i, "--> ")) {
3311 if (appData.colorize) {
3312 if (oldi > next_out) {
3313 SendToPlayer(&buf[next_out], oldi - next_out);
3316 Colorize(ColorShout, FALSE);
3317 curColor = ColorShout;
3320 started = STARTED_CHATTER;
3324 if (looking_at( buf, &i, "Challenge:")) {
3325 if (appData.colorize) {
3326 if (oldi > next_out) {
3327 SendToPlayer(&buf[next_out], oldi - next_out);
3330 Colorize(ColorChallenge, FALSE);
3331 curColor = ColorChallenge;
3337 if (looking_at(buf, &i, "* offers you") ||
3338 looking_at(buf, &i, "* offers to be") ||
3339 looking_at(buf, &i, "* would like to") ||
3340 looking_at(buf, &i, "* requests to") ||
3341 looking_at(buf, &i, "Your opponent offers") ||
3342 looking_at(buf, &i, "Your opponent requests")) {
3344 if (appData.colorize) {
3345 if (oldi > next_out) {
3346 SendToPlayer(&buf[next_out], oldi - next_out);
3349 Colorize(ColorRequest, FALSE);
3350 curColor = ColorRequest;
3355 if (looking_at(buf, &i, "* (*) seeking")) {
3356 if (appData.colorize) {
3357 if (oldi > next_out) {
3358 SendToPlayer(&buf[next_out], oldi - next_out);
3361 Colorize(ColorSeek, FALSE);
3362 curColor = ColorSeek;
3367 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3369 if (looking_at(buf, &i, "\\ ")) {
3370 if (prevColor != ColorNormal) {
3371 if (oldi > next_out) {
3372 SendToPlayer(&buf[next_out], oldi - next_out);
3375 Colorize(prevColor, TRUE);
3376 curColor = prevColor;
3378 if (savingComment) {
3379 parse_pos = i - oldi;
3380 memcpy(parse, &buf[oldi], parse_pos);
3381 parse[parse_pos] = NULLCHAR;
3382 started = STARTED_COMMENT;
3383 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3384 chattingPartner = savingComment - 3; // kludge to remember the box
3386 started = STARTED_CHATTER;
3391 if (looking_at(buf, &i, "Black Strength :") ||
3392 looking_at(buf, &i, "<<< style 10 board >>>") ||
3393 looking_at(buf, &i, "<10>") ||
3394 looking_at(buf, &i, "#@#")) {
3395 /* Wrong board style */
3397 SendToICS(ics_prefix);
3398 SendToICS("set style 12\n");
3399 SendToICS(ics_prefix);
3400 SendToICS("refresh\n");
3404 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3406 have_sent_ICS_logon = 1;
3410 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3411 (looking_at(buf, &i, "\n<12> ") ||
3412 looking_at(buf, &i, "<12> "))) {
3414 if (oldi > next_out) {
3415 SendToPlayer(&buf[next_out], oldi - next_out);
3418 started = STARTED_BOARD;
3423 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3424 looking_at(buf, &i, "<b1> ")) {
3425 if (oldi > next_out) {
3426 SendToPlayer(&buf[next_out], oldi - next_out);
3429 started = STARTED_HOLDINGS;
3434 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3436 /* Header for a move list -- first line */
3438 switch (ics_getting_history) {
3442 case BeginningOfGame:
3443 /* User typed "moves" or "oldmoves" while we
3444 were idle. Pretend we asked for these
3445 moves and soak them up so user can step
3446 through them and/or save them.
3449 gameMode = IcsObserving;
3452 ics_getting_history = H_GOT_UNREQ_HEADER;
3454 case EditGame: /*?*/
3455 case EditPosition: /*?*/
3456 /* Should above feature work in these modes too? */
3457 /* For now it doesn't */
3458 ics_getting_history = H_GOT_UNWANTED_HEADER;
3461 ics_getting_history = H_GOT_UNWANTED_HEADER;
3466 /* Is this the right one? */
3467 if (gameInfo.white && gameInfo.black &&
3468 strcmp(gameInfo.white, star_match[0]) == 0 &&
3469 strcmp(gameInfo.black, star_match[2]) == 0) {
3471 ics_getting_history = H_GOT_REQ_HEADER;
3474 case H_GOT_REQ_HEADER:
3475 case H_GOT_UNREQ_HEADER:
3476 case H_GOT_UNWANTED_HEADER:
3477 case H_GETTING_MOVES:
3478 /* Should not happen */
3479 DisplayError(_("Error gathering move list: two headers"), 0);
3480 ics_getting_history = H_FALSE;
3484 /* Save player ratings into gameInfo if needed */
3485 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3486 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3487 (gameInfo.whiteRating == -1 ||
3488 gameInfo.blackRating == -1)) {
3490 gameInfo.whiteRating = string_to_rating(star_match[1]);
3491 gameInfo.blackRating = string_to_rating(star_match[3]);
3492 if (appData.debugMode)
3493 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3494 gameInfo.whiteRating, gameInfo.blackRating);
3499 if (looking_at(buf, &i,
3500 "* * match, initial time: * minute*, increment: * second")) {
3501 /* Header for a move list -- second line */
3502 /* Initial board will follow if this is a wild game */
3503 if (gameInfo.event != NULL) free(gameInfo.event);
3504 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3505 gameInfo.event = StrSave(str);
3506 /* [HGM] we switched variant. Translate boards if needed. */
3507 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3511 if (looking_at(buf, &i, "Move ")) {
3512 /* Beginning of a move list */
3513 switch (ics_getting_history) {
3515 /* Normally should not happen */
3516 /* Maybe user hit reset while we were parsing */
3519 /* Happens if we are ignoring a move list that is not
3520 * the one we just requested. Common if the user
3521 * tries to observe two games without turning off
3524 case H_GETTING_MOVES:
3525 /* Should not happen */
3526 DisplayError(_("Error gathering move list: nested"), 0);
3527 ics_getting_history = H_FALSE;
3529 case H_GOT_REQ_HEADER:
3530 ics_getting_history = H_GETTING_MOVES;
3531 started = STARTED_MOVES;
3533 if (oldi > next_out) {
3534 SendToPlayer(&buf[next_out], oldi - next_out);
3537 case H_GOT_UNREQ_HEADER:
3538 ics_getting_history = H_GETTING_MOVES;
3539 started = STARTED_MOVES_NOHIDE;
3542 case H_GOT_UNWANTED_HEADER:
3543 ics_getting_history = H_FALSE;
3549 if (looking_at(buf, &i, "% ") ||
3550 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3551 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3552 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3553 soughtPending = FALSE;
3557 if(suppressKibitz) next_out = i;
3558 savingComment = FALSE;
3562 case STARTED_MOVES_NOHIDE:
3563 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3564 parse[parse_pos + i - oldi] = NULLCHAR;
3565 ParseGameHistory(parse);
3567 if (appData.zippyPlay && first.initDone) {
3568 FeedMovesToProgram(&first, forwardMostMove);
3569 if (gameMode == IcsPlayingWhite) {
3570 if (WhiteOnMove(forwardMostMove)) {
3571 if (first.sendTime) {
3572 if (first.useColors) {
3573 SendToProgram("black\n", &first);
3575 SendTimeRemaining(&first, TRUE);
3577 if (first.useColors) {
3578 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3580 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3581 first.maybeThinking = TRUE;
3583 if (first.usePlayother) {
3584 if (first.sendTime) {
3585 SendTimeRemaining(&first, TRUE);
3587 SendToProgram("playother\n", &first);
3593 } else if (gameMode == IcsPlayingBlack) {
3594 if (!WhiteOnMove(forwardMostMove)) {
3595 if (first.sendTime) {
3596 if (first.useColors) {
3597 SendToProgram("white\n", &first);
3599 SendTimeRemaining(&first, FALSE);
3601 if (first.useColors) {
3602 SendToProgram("black\n", &first);
3604 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3605 first.maybeThinking = TRUE;
3607 if (first.usePlayother) {
3608 if (first.sendTime) {
3609 SendTimeRemaining(&first, FALSE);
3611 SendToProgram("playother\n", &first);
3620 if (gameMode == IcsObserving && ics_gamenum == -1) {
3621 /* Moves came from oldmoves or moves command
3622 while we weren't doing anything else.
3624 currentMove = forwardMostMove;
3625 ClearHighlights();/*!!could figure this out*/
3626 flipView = appData.flipView;
3627 DrawPosition(TRUE, boards[currentMove]);
3628 DisplayBothClocks();
3629 snprintf(str, MSG_SIZ, "%s vs. %s",
3630 gameInfo.white, gameInfo.black);
3634 /* Moves were history of an active game */
3635 if (gameInfo.resultDetails != NULL) {
3636 free(gameInfo.resultDetails);
3637 gameInfo.resultDetails = NULL;
3640 HistorySet(parseList, backwardMostMove,
3641 forwardMostMove, currentMove-1);
3642 DisplayMove(currentMove - 1);
3643 if (started == STARTED_MOVES) next_out = i;
3644 started = STARTED_NONE;
3645 ics_getting_history = H_FALSE;
3648 case STARTED_OBSERVE:
3649 started = STARTED_NONE;
3650 SendToICS(ics_prefix);
3651 SendToICS("refresh\n");
3657 if(bookHit) { // [HGM] book: simulate book reply
3658 static char bookMove[MSG_SIZ]; // a bit generous?
3660 programStats.nodes = programStats.depth = programStats.time =
3661 programStats.score = programStats.got_only_move = 0;
3662 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3664 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3665 strcat(bookMove, bookHit);
3666 HandleMachineMove(bookMove, &first);
3671 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3672 started == STARTED_HOLDINGS ||
3673 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3674 /* Accumulate characters in move list or board */
3675 parse[parse_pos++] = buf[i];
3678 /* Start of game messages. Mostly we detect start of game
3679 when the first board image arrives. On some versions
3680 of the ICS, though, we need to do a "refresh" after starting
3681 to observe in order to get the current board right away. */
3682 if (looking_at(buf, &i, "Adding game * to observation list")) {
3683 started = STARTED_OBSERVE;
3687 /* Handle auto-observe */
3688 if (appData.autoObserve &&
3689 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3690 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3692 /* Choose the player that was highlighted, if any. */
3693 if (star_match[0][0] == '\033' ||
3694 star_match[1][0] != '\033') {
3695 player = star_match[0];
3697 player = star_match[2];
3699 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3700 ics_prefix, StripHighlightAndTitle(player));
3703 /* Save ratings from notify string */
3704 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3705 player1Rating = string_to_rating(star_match[1]);
3706 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3707 player2Rating = string_to_rating(star_match[3]);
3709 if (appData.debugMode)
3711 "Ratings from 'Game notification:' %s %d, %s %d\n",
3712 player1Name, player1Rating,
3713 player2Name, player2Rating);
3718 /* Deal with automatic examine mode after a game,
3719 and with IcsObserving -> IcsExamining transition */
3720 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3721 looking_at(buf, &i, "has made you an examiner of game *")) {
3723 int gamenum = atoi(star_match[0]);
3724 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3725 gamenum == ics_gamenum) {
3726 /* We were already playing or observing this game;
3727 no need to refetch history */
3728 gameMode = IcsExamining;
3730 pauseExamForwardMostMove = forwardMostMove;
3731 } else if (currentMove < forwardMostMove) {
3732 ForwardInner(forwardMostMove);
3735 /* I don't think this case really can happen */
3736 SendToICS(ics_prefix);
3737 SendToICS("refresh\n");
3742 /* Error messages */
3743 // if (ics_user_moved) {
3744 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3745 if (looking_at(buf, &i, "Illegal move") ||
3746 looking_at(buf, &i, "Not a legal move") ||
3747 looking_at(buf, &i, "Your king is in check") ||
3748 looking_at(buf, &i, "It isn't your turn") ||
3749 looking_at(buf, &i, "It is not your move")) {
3751 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3752 currentMove = forwardMostMove-1;
3753 DisplayMove(currentMove - 1); /* before DMError */
3754 DrawPosition(FALSE, boards[currentMove]);
3755 SwitchClocks(forwardMostMove-1); // [HGM] race
3756 DisplayBothClocks();
3758 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3764 if (looking_at(buf, &i, "still have time") ||
3765 looking_at(buf, &i, "not out of time") ||
3766 looking_at(buf, &i, "either player is out of time") ||
3767 looking_at(buf, &i, "has timeseal; checking")) {
3768 /* We must have called his flag a little too soon */
3769 whiteFlag = blackFlag = FALSE;
3773 if (looking_at(buf, &i, "added * seconds to") ||
3774 looking_at(buf, &i, "seconds were added to")) {
3775 /* Update the clocks */
3776 SendToICS(ics_prefix);
3777 SendToICS("refresh\n");
3781 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3782 ics_clock_paused = TRUE;
3787 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3788 ics_clock_paused = FALSE;
3793 /* Grab player ratings from the Creating: message.
3794 Note we have to check for the special case when
3795 the ICS inserts things like [white] or [black]. */
3796 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3797 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3799 0 player 1 name (not necessarily white)
3801 2 empty, white, or black (IGNORED)
3802 3 player 2 name (not necessarily black)
3805 The names/ratings are sorted out when the game
3806 actually starts (below).
3808 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3809 player1Rating = string_to_rating(star_match[1]);
3810 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3811 player2Rating = string_to_rating(star_match[4]);
3813 if (appData.debugMode)
3815 "Ratings from 'Creating:' %s %d, %s %d\n",
3816 player1Name, player1Rating,
3817 player2Name, player2Rating);
3822 /* Improved generic start/end-of-game messages */
3823 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3824 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3825 /* If tkind == 0: */
3826 /* star_match[0] is the game number */
3827 /* [1] is the white player's name */
3828 /* [2] is the black player's name */
3829 /* For end-of-game: */
3830 /* [3] is the reason for the game end */
3831 /* [4] is a PGN end game-token, preceded by " " */
3832 /* For start-of-game: */
3833 /* [3] begins with "Creating" or "Continuing" */
3834 /* [4] is " *" or empty (don't care). */
3835 int gamenum = atoi(star_match[0]);
3836 char *whitename, *blackname, *why, *endtoken;
3837 ChessMove endtype = EndOfFile;
3840 whitename = star_match[1];
3841 blackname = star_match[2];
3842 why = star_match[3];
3843 endtoken = star_match[4];
3845 whitename = star_match[1];
3846 blackname = star_match[3];
3847 why = star_match[5];
3848 endtoken = star_match[6];
3851 /* Game start messages */
3852 if (strncmp(why, "Creating ", 9) == 0 ||
3853 strncmp(why, "Continuing ", 11) == 0) {
3854 gs_gamenum = gamenum;
3855 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3856 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3858 if (appData.zippyPlay) {
3859 ZippyGameStart(whitename, blackname);
3862 partnerBoardValid = FALSE; // [HGM] bughouse
3866 /* Game end messages */
3867 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3868 ics_gamenum != gamenum) {
3871 while (endtoken[0] == ' ') endtoken++;
3872 switch (endtoken[0]) {
3875 endtype = GameUnfinished;
3878 endtype = BlackWins;
3881 if (endtoken[1] == '/')
3882 endtype = GameIsDrawn;
3884 endtype = WhiteWins;
3887 GameEnds(endtype, why, GE_ICS);
3889 if (appData.zippyPlay && first.initDone) {
3890 ZippyGameEnd(endtype, why);
3891 if (first.pr == NULL) {
3892 /* Start the next process early so that we'll
3893 be ready for the next challenge */
3894 StartChessProgram(&first);
3896 /* Send "new" early, in case this command takes
3897 a long time to finish, so that we'll be ready
3898 for the next challenge. */
3899 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3903 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3907 if (looking_at(buf, &i, "Removing game * from observation") ||
3908 looking_at(buf, &i, "no longer observing game *") ||
3909 looking_at(buf, &i, "Game * (*) has no examiners")) {
3910 if (gameMode == IcsObserving &&
3911 atoi(star_match[0]) == ics_gamenum)
3913 /* icsEngineAnalyze */
3914 if (appData.icsEngineAnalyze) {
3921 ics_user_moved = FALSE;
3926 if (looking_at(buf, &i, "no longer examining game *")) {
3927 if (gameMode == IcsExamining &&
3928 atoi(star_match[0]) == ics_gamenum)
3932 ics_user_moved = FALSE;
3937 /* Advance leftover_start past any newlines we find,
3938 so only partial lines can get reparsed */
3939 if (looking_at(buf, &i, "\n")) {
3940 prevColor = curColor;
3941 if (curColor != ColorNormal) {
3942 if (oldi > next_out) {
3943 SendToPlayer(&buf[next_out], oldi - next_out);
3946 Colorize(ColorNormal, FALSE);
3947 curColor = ColorNormal;
3949 if (started == STARTED_BOARD) {
3950 started = STARTED_NONE;
3951 parse[parse_pos] = NULLCHAR;
3952 ParseBoard12(parse);
3955 /* Send premove here */
3956 if (appData.premove) {
3958 if (currentMove == 0 &&
3959 gameMode == IcsPlayingWhite &&
3960 appData.premoveWhite) {
3961 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3962 if (appData.debugMode)
3963 fprintf(debugFP, "Sending premove:\n");
3965 } else if (currentMove == 1 &&
3966 gameMode == IcsPlayingBlack &&
3967 appData.premoveBlack) {
3968 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3969 if (appData.debugMode)
3970 fprintf(debugFP, "Sending premove:\n");
3972 } else if (gotPremove) {
3974 ClearPremoveHighlights();
3975 if (appData.debugMode)
3976 fprintf(debugFP, "Sending premove:\n");
3977 UserMoveEvent(premoveFromX, premoveFromY,
3978 premoveToX, premoveToY,
3983 /* Usually suppress following prompt */
3984 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3985 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3986 if (looking_at(buf, &i, "*% ")) {
3987 savingComment = FALSE;
3992 } else if (started == STARTED_HOLDINGS) {
3994 char new_piece[MSG_SIZ];
3995 started = STARTED_NONE;
3996 parse[parse_pos] = NULLCHAR;
3997 if (appData.debugMode)
3998 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3999 parse, currentMove);
4000 if (sscanf(parse, " game %d", &gamenum) == 1) {
4001 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4002 if (gameInfo.variant == VariantNormal) {
4003 /* [HGM] We seem to switch variant during a game!
4004 * Presumably no holdings were displayed, so we have
4005 * to move the position two files to the right to
4006 * create room for them!
4008 VariantClass newVariant;
4009 switch(gameInfo.boardWidth) { // base guess on board width
4010 case 9: newVariant = VariantShogi; break;
4011 case 10: newVariant = VariantGreat; break;
4012 default: newVariant = VariantCrazyhouse; break;
4014 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4015 /* Get a move list just to see the header, which
4016 will tell us whether this is really bug or zh */
4017 if (ics_getting_history == H_FALSE) {
4018 ics_getting_history = H_REQUESTED;
4019 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4023 new_piece[0] = NULLCHAR;
4024 sscanf(parse, "game %d white [%s black [%s <- %s",
4025 &gamenum, white_holding, black_holding,
4027 white_holding[strlen(white_holding)-1] = NULLCHAR;
4028 black_holding[strlen(black_holding)-1] = NULLCHAR;
4029 /* [HGM] copy holdings to board holdings area */
4030 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4031 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4032 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4034 if (appData.zippyPlay && first.initDone) {
4035 ZippyHoldings(white_holding, black_holding,
4039 if (tinyLayout || smallLayout) {
4040 char wh[16], bh[16];
4041 PackHolding(wh, white_holding);
4042 PackHolding(bh, black_holding);
4043 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4044 gameInfo.white, gameInfo.black);
4046 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4047 gameInfo.white, white_holding,
4048 gameInfo.black, black_holding);
4050 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4051 DrawPosition(FALSE, boards[currentMove]);
4053 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4054 sscanf(parse, "game %d white [%s black [%s <- %s",
4055 &gamenum, white_holding, black_holding,
4057 white_holding[strlen(white_holding)-1] = NULLCHAR;
4058 black_holding[strlen(black_holding)-1] = NULLCHAR;
4059 /* [HGM] copy holdings to partner-board holdings area */
4060 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4061 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4062 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4063 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4064 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4067 /* Suppress following prompt */
4068 if (looking_at(buf, &i, "*% ")) {
4069 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4070 savingComment = FALSE;
4078 i++; /* skip unparsed character and loop back */
4081 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4082 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4083 // SendToPlayer(&buf[next_out], i - next_out);
4084 started != STARTED_HOLDINGS && leftover_start > next_out) {
4085 SendToPlayer(&buf[next_out], leftover_start - next_out);
4089 leftover_len = buf_len - leftover_start;
4090 /* if buffer ends with something we couldn't parse,
4091 reparse it after appending the next read */
4093 } else if (count == 0) {
4094 RemoveInputSource(isr);
4095 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4097 DisplayFatalError(_("Error reading from ICS"), error, 1);
4102 /* Board style 12 looks like this:
4104 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4106 * The "<12> " is stripped before it gets to this routine. The two
4107 * trailing 0's (flip state and clock ticking) are later addition, and
4108 * some chess servers may not have them, or may have only the first.
4109 * Additional trailing fields may be added in the future.
4112 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4114 #define RELATION_OBSERVING_PLAYED 0
4115 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4116 #define RELATION_PLAYING_MYMOVE 1
4117 #define RELATION_PLAYING_NOTMYMOVE -1
4118 #define RELATION_EXAMINING 2
4119 #define RELATION_ISOLATED_BOARD -3
4120 #define RELATION_STARTING_POSITION -4 /* FICS only */
4123 ParseBoard12(string)
4126 GameMode newGameMode;
4127 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4128 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4129 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4130 char to_play, board_chars[200];
4131 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4132 char black[32], white[32];
4134 int prevMove = currentMove;
4137 int fromX, fromY, toX, toY;
4139 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4140 char *bookHit = NULL; // [HGM] book
4141 Boolean weird = FALSE, reqFlag = FALSE;
4143 fromX = fromY = toX = toY = -1;
4147 if (appData.debugMode)
4148 fprintf(debugFP, _("Parsing board: %s\n"), string);
4150 move_str[0] = NULLCHAR;
4151 elapsed_time[0] = NULLCHAR;
4152 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4154 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4155 if(string[i] == ' ') { ranks++; files = 0; }
4157 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4160 for(j = 0; j <i; j++) board_chars[j] = string[j];
4161 board_chars[i] = '\0';
4164 n = sscanf(string, PATTERN, &to_play, &double_push,
4165 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4166 &gamenum, white, black, &relation, &basetime, &increment,
4167 &white_stren, &black_stren, &white_time, &black_time,
4168 &moveNum, str, elapsed_time, move_str, &ics_flip,
4172 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4173 DisplayError(str, 0);
4177 /* Convert the move number to internal form */
4178 moveNum = (moveNum - 1) * 2;
4179 if (to_play == 'B') moveNum++;
4180 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4181 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4187 case RELATION_OBSERVING_PLAYED:
4188 case RELATION_OBSERVING_STATIC:
4189 if (gamenum == -1) {
4190 /* Old ICC buglet */
4191 relation = RELATION_OBSERVING_STATIC;
4193 newGameMode = IcsObserving;
4195 case RELATION_PLAYING_MYMOVE:
4196 case RELATION_PLAYING_NOTMYMOVE:
4198 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4199 IcsPlayingWhite : IcsPlayingBlack;
4201 case RELATION_EXAMINING:
4202 newGameMode = IcsExamining;
4204 case RELATION_ISOLATED_BOARD:
4206 /* Just display this board. If user was doing something else,
4207 we will forget about it until the next board comes. */
4208 newGameMode = IcsIdle;
4210 case RELATION_STARTING_POSITION:
4211 newGameMode = gameMode;
4215 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4216 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4217 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4219 for (k = 0; k < ranks; k++) {
4220 for (j = 0; j < files; j++)
4221 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4222 if(gameInfo.holdingsWidth > 1) {
4223 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4224 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4227 CopyBoard(partnerBoard, board);
4228 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4229 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4230 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4231 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4232 if(toSqr = strchr(str, '-')) {
4233 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4234 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4235 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4236 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4237 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4238 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4239 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4240 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4241 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4242 DisplayMessage(partnerStatus, "");
4243 partnerBoardValid = TRUE;
4247 /* Modify behavior for initial board display on move listing
4250 switch (ics_getting_history) {
4254 case H_GOT_REQ_HEADER:
4255 case H_GOT_UNREQ_HEADER:
4256 /* This is the initial position of the current game */
4257 gamenum = ics_gamenum;
4258 moveNum = 0; /* old ICS bug workaround */
4259 if (to_play == 'B') {
4260 startedFromSetupPosition = TRUE;
4261 blackPlaysFirst = TRUE;
4263 if (forwardMostMove == 0) forwardMostMove = 1;
4264 if (backwardMostMove == 0) backwardMostMove = 1;
4265 if (currentMove == 0) currentMove = 1;
4267 newGameMode = gameMode;
4268 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4270 case H_GOT_UNWANTED_HEADER:
4271 /* This is an initial board that we don't want */
4273 case H_GETTING_MOVES:
4274 /* Should not happen */
4275 DisplayError(_("Error gathering move list: extra board"), 0);
4276 ics_getting_history = H_FALSE;
4280 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4281 weird && (int)gameInfo.variant < (int)VariantShogi) {
4282 /* [HGM] We seem to have switched variant unexpectedly
4283 * Try to guess new variant from board size
4285 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4286 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4287 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4288 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4289 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4290 if(!weird) newVariant = VariantNormal;
4291 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4292 /* Get a move list just to see the header, which
4293 will tell us whether this is really bug or zh */
4294 if (ics_getting_history == H_FALSE) {
4295 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4296 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4301 /* Take action if this is the first board of a new game, or of a
4302 different game than is currently being displayed. */
4303 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4304 relation == RELATION_ISOLATED_BOARD) {
4306 /* Forget the old game and get the history (if any) of the new one */
4307 if (gameMode != BeginningOfGame) {
4311 if (appData.autoRaiseBoard) BoardToTop();
4313 if (gamenum == -1) {
4314 newGameMode = IcsIdle;
4315 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4316 appData.getMoveList && !reqFlag) {
4317 /* Need to get game history */
4318 ics_getting_history = H_REQUESTED;
4319 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4323 /* Initially flip the board to have black on the bottom if playing
4324 black or if the ICS flip flag is set, but let the user change
4325 it with the Flip View button. */
4326 flipView = appData.autoFlipView ?
4327 (newGameMode == IcsPlayingBlack) || ics_flip :
4330 /* Done with values from previous mode; copy in new ones */
4331 gameMode = newGameMode;
4333 ics_gamenum = gamenum;
4334 if (gamenum == gs_gamenum) {
4335 int klen = strlen(gs_kind);
4336 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4337 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4338 gameInfo.event = StrSave(str);
4340 gameInfo.event = StrSave("ICS game");
4342 gameInfo.site = StrSave(appData.icsHost);
4343 gameInfo.date = PGNDate();
4344 gameInfo.round = StrSave("-");
4345 gameInfo.white = StrSave(white);
4346 gameInfo.black = StrSave(black);
4347 timeControl = basetime * 60 * 1000;
4349 timeIncrement = increment * 1000;
4350 movesPerSession = 0;
4351 gameInfo.timeControl = TimeControlTagValue();
4352 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4353 if (appData.debugMode) {
4354 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4355 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4356 setbuf(debugFP, NULL);
4359 gameInfo.outOfBook = NULL;
4361 /* Do we have the ratings? */
4362 if (strcmp(player1Name, white) == 0 &&
4363 strcmp(player2Name, black) == 0) {
4364 if (appData.debugMode)
4365 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4366 player1Rating, player2Rating);
4367 gameInfo.whiteRating = player1Rating;
4368 gameInfo.blackRating = player2Rating;
4369 } else if (strcmp(player2Name, white) == 0 &&
4370 strcmp(player1Name, black) == 0) {
4371 if (appData.debugMode)
4372 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4373 player2Rating, player1Rating);
4374 gameInfo.whiteRating = player2Rating;
4375 gameInfo.blackRating = player1Rating;
4377 player1Name[0] = player2Name[0] = NULLCHAR;
4379 /* Silence shouts if requested */
4380 if (appData.quietPlay &&
4381 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4382 SendToICS(ics_prefix);
4383 SendToICS("set shout 0\n");
4387 /* Deal with midgame name changes */
4389 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4390 if (gameInfo.white) free(gameInfo.white);
4391 gameInfo.white = StrSave(white);
4393 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4394 if (gameInfo.black) free(gameInfo.black);
4395 gameInfo.black = StrSave(black);
4399 /* Throw away game result if anything actually changes in examine mode */
4400 if (gameMode == IcsExamining && !newGame) {
4401 gameInfo.result = GameUnfinished;
4402 if (gameInfo.resultDetails != NULL) {
4403 free(gameInfo.resultDetails);
4404 gameInfo.resultDetails = NULL;
4408 /* In pausing && IcsExamining mode, we ignore boards coming
4409 in if they are in a different variation than we are. */
4410 if (pauseExamInvalid) return;
4411 if (pausing && gameMode == IcsExamining) {
4412 if (moveNum <= pauseExamForwardMostMove) {
4413 pauseExamInvalid = TRUE;
4414 forwardMostMove = pauseExamForwardMostMove;
4419 if (appData.debugMode) {
4420 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4422 /* Parse the board */
4423 for (k = 0; k < ranks; k++) {
4424 for (j = 0; j < files; j++)
4425 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4426 if(gameInfo.holdingsWidth > 1) {
4427 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4428 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4431 CopyBoard(boards[moveNum], board);
4432 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4434 startedFromSetupPosition =
4435 !CompareBoards(board, initialPosition);
4436 if(startedFromSetupPosition)
4437 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4440 /* [HGM] Set castling rights. Take the outermost Rooks,
4441 to make it also work for FRC opening positions. Note that board12
4442 is really defective for later FRC positions, as it has no way to
4443 indicate which Rook can castle if they are on the same side of King.
4444 For the initial position we grant rights to the outermost Rooks,
4445 and remember thos rights, and we then copy them on positions
4446 later in an FRC game. This means WB might not recognize castlings with
4447 Rooks that have moved back to their original position as illegal,
4448 but in ICS mode that is not its job anyway.
4450 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4451 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4453 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4454 if(board[0][i] == WhiteRook) j = i;
4455 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4456 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4457 if(board[0][i] == WhiteRook) j = i;
4458 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4459 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4460 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4461 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4462 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4463 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4464 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4466 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4467 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4468 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4469 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4470 if(board[BOARD_HEIGHT-1][k] == bKing)
4471 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4472 if(gameInfo.variant == VariantTwoKings) {
4473 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4474 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4475 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4478 r = boards[moveNum][CASTLING][0] = initialRights[0];
4479 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4480 r = boards[moveNum][CASTLING][1] = initialRights[1];
4481 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4482 r = boards[moveNum][CASTLING][3] = initialRights[3];
4483 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4484 r = boards[moveNum][CASTLING][4] = initialRights[4];
4485 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4486 /* wildcastle kludge: always assume King has rights */
4487 r = boards[moveNum][CASTLING][2] = initialRights[2];
4488 r = boards[moveNum][CASTLING][5] = initialRights[5];
4490 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4491 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4494 if (ics_getting_history == H_GOT_REQ_HEADER ||
4495 ics_getting_history == H_GOT_UNREQ_HEADER) {
4496 /* This was an initial position from a move list, not
4497 the current position */
4501 /* Update currentMove and known move number limits */
4502 newMove = newGame || moveNum > forwardMostMove;
4505 forwardMostMove = backwardMostMove = currentMove = moveNum;
4506 if (gameMode == IcsExamining && moveNum == 0) {
4507 /* Workaround for ICS limitation: we are not told the wild
4508 type when starting to examine a game. But if we ask for
4509 the move list, the move list header will tell us */
4510 ics_getting_history = H_REQUESTED;
4511 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4514 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4515 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4517 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4518 /* [HGM] applied this also to an engine that is silently watching */
4519 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4520 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4521 gameInfo.variant == currentlyInitializedVariant) {
4522 takeback = forwardMostMove - moveNum;
4523 for (i = 0; i < takeback; i++) {
4524 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4525 SendToProgram("undo\n", &first);
4530 forwardMostMove = moveNum;
4531 if (!pausing || currentMove > forwardMostMove)
4532 currentMove = forwardMostMove;
4534 /* New part of history that is not contiguous with old part */
4535 if (pausing && gameMode == IcsExamining) {
4536 pauseExamInvalid = TRUE;
4537 forwardMostMove = pauseExamForwardMostMove;
4540 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4542 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4543 // [HGM] when we will receive the move list we now request, it will be
4544 // fed to the engine from the first move on. So if the engine is not
4545 // in the initial position now, bring it there.
4546 InitChessProgram(&first, 0);
4549 ics_getting_history = H_REQUESTED;
4550 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4553 forwardMostMove = backwardMostMove = currentMove = moveNum;
4556 /* Update the clocks */
4557 if (strchr(elapsed_time, '.')) {
4559 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4560 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4562 /* Time is in seconds */
4563 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4564 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4569 if (appData.zippyPlay && newGame &&
4570 gameMode != IcsObserving && gameMode != IcsIdle &&
4571 gameMode != IcsExamining)
4572 ZippyFirstBoard(moveNum, basetime, increment);
4575 /* Put the move on the move list, first converting
4576 to canonical algebraic form. */
4578 if (appData.debugMode) {
4579 if (appData.debugMode) { int f = forwardMostMove;
4580 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4581 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4582 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4584 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4585 fprintf(debugFP, "moveNum = %d\n", moveNum);
4586 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4587 setbuf(debugFP, NULL);
4589 if (moveNum <= backwardMostMove) {
4590 /* We don't know what the board looked like before
4592 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4593 strcat(parseList[moveNum - 1], " ");
4594 strcat(parseList[moveNum - 1], elapsed_time);
4595 moveList[moveNum - 1][0] = NULLCHAR;
4596 } else if (strcmp(move_str, "none") == 0) {
4597 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4598 /* Again, we don't know what the board looked like;
4599 this is really the start of the game. */
4600 parseList[moveNum - 1][0] = NULLCHAR;
4601 moveList[moveNum - 1][0] = NULLCHAR;
4602 backwardMostMove = moveNum;
4603 startedFromSetupPosition = TRUE;
4604 fromX = fromY = toX = toY = -1;
4606 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4607 // So we parse the long-algebraic move string in stead of the SAN move
4608 int valid; char buf[MSG_SIZ], *prom;
4610 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4611 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4612 // str looks something like "Q/a1-a2"; kill the slash
4614 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4615 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4616 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4617 strcat(buf, prom); // long move lacks promo specification!
4618 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4619 if(appData.debugMode)
4620 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4621 safeStrCpy(move_str, buf, MSG_SIZ);
4623 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4624 &fromX, &fromY, &toX, &toY, &promoChar)
4625 || ParseOneMove(buf, moveNum - 1, &moveType,
4626 &fromX, &fromY, &toX, &toY, &promoChar);
4627 // end of long SAN patch
4629 (void) CoordsToAlgebraic(boards[moveNum - 1],
4630 PosFlags(moveNum - 1),
4631 fromY, fromX, toY, toX, promoChar,
4632 parseList[moveNum-1]);
4633 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4639 if(gameInfo.variant != VariantShogi)
4640 strcat(parseList[moveNum - 1], "+");
4643 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4644 strcat(parseList[moveNum - 1], "#");
4647 strcat(parseList[moveNum - 1], " ");
4648 strcat(parseList[moveNum - 1], elapsed_time);
4649 /* currentMoveString is set as a side-effect of ParseOneMove */
4650 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4651 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4652 strcat(moveList[moveNum - 1], "\n");
4654 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4655 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4656 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4657 ChessSquare old, new = boards[moveNum][k][j];
4658 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4659 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4660 if(old == new) continue;
4661 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4662 else if(new == WhiteWazir || new == BlackWazir) {
4663 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4664 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4665 else boards[moveNum][k][j] = old; // preserve type of Gold
4666 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4667 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4670 /* Move from ICS was illegal!? Punt. */
4671 if (appData.debugMode) {
4672 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4673 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4675 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4676 strcat(parseList[moveNum - 1], " ");
4677 strcat(parseList[moveNum - 1], elapsed_time);
4678 moveList[moveNum - 1][0] = NULLCHAR;
4679 fromX = fromY = toX = toY = -1;
4682 if (appData.debugMode) {
4683 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4684 setbuf(debugFP, NULL);
4688 /* Send move to chess program (BEFORE animating it). */
4689 if (appData.zippyPlay && !newGame && newMove &&
4690 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4692 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4693 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4694 if (moveList[moveNum - 1][0] == NULLCHAR) {
4695 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4697 DisplayError(str, 0);
4699 if (first.sendTime) {
4700 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4702 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4703 if (firstMove && !bookHit) {
4705 if (first.useColors) {
4706 SendToProgram(gameMode == IcsPlayingWhite ?
4708 "black\ngo\n", &first);
4710 SendToProgram("go\n", &first);
4712 first.maybeThinking = TRUE;
4715 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4716 if (moveList[moveNum - 1][0] == NULLCHAR) {
4717 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4718 DisplayError(str, 0);
4720 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4721 SendMoveToProgram(moveNum - 1, &first);
4728 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4729 /* If move comes from a remote source, animate it. If it
4730 isn't remote, it will have already been animated. */
4731 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4732 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4734 if (!pausing && appData.highlightLastMove) {
4735 SetHighlights(fromX, fromY, toX, toY);
4739 /* Start the clocks */
4740 whiteFlag = blackFlag = FALSE;
4741 appData.clockMode = !(basetime == 0 && increment == 0);
4743 ics_clock_paused = TRUE;
4745 } else if (ticking == 1) {
4746 ics_clock_paused = FALSE;
4748 if (gameMode == IcsIdle ||
4749 relation == RELATION_OBSERVING_STATIC ||
4750 relation == RELATION_EXAMINING ||
4752 DisplayBothClocks();
4756 /* Display opponents and material strengths */
4757 if (gameInfo.variant != VariantBughouse &&
4758 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4759 if (tinyLayout || smallLayout) {
4760 if(gameInfo.variant == VariantNormal)
4761 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4762 gameInfo.white, white_stren, gameInfo.black, black_stren,
4763 basetime, increment);
4765 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4766 gameInfo.white, white_stren, gameInfo.black, black_stren,
4767 basetime, increment, (int) gameInfo.variant);
4769 if(gameInfo.variant == VariantNormal)
4770 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4771 gameInfo.white, white_stren, gameInfo.black, black_stren,
4772 basetime, increment);
4774 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4775 gameInfo.white, white_stren, gameInfo.black, black_stren,
4776 basetime, increment, VariantName(gameInfo.variant));
4779 if (appData.debugMode) {
4780 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4785 /* Display the board */
4786 if (!pausing && !appData.noGUI) {
4788 if (appData.premove)
4790 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4791 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4792 ClearPremoveHighlights();
4794 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4795 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4796 DrawPosition(j, boards[currentMove]);
4798 DisplayMove(moveNum - 1);
4799 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4800 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4801 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4802 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4806 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4808 if(bookHit) { // [HGM] book: simulate book reply
4809 static char bookMove[MSG_SIZ]; // a bit generous?
4811 programStats.nodes = programStats.depth = programStats.time =
4812 programStats.score = programStats.got_only_move = 0;
4813 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4815 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4816 strcat(bookMove, bookHit);
4817 HandleMachineMove(bookMove, &first);
4826 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4827 ics_getting_history = H_REQUESTED;
4828 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4834 AnalysisPeriodicEvent(force)
4837 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4838 && !force) || !appData.periodicUpdates)
4841 /* Send . command to Crafty to collect stats */
4842 SendToProgram(".\n", &first);
4844 /* Don't send another until we get a response (this makes
4845 us stop sending to old Crafty's which don't understand
4846 the "." command (sending illegal cmds resets node count & time,
4847 which looks bad)) */
4848 programStats.ok_to_send = 0;
4851 void ics_update_width(new_width)
4854 ics_printf("set width %d\n", new_width);
4858 SendMoveToProgram(moveNum, cps)
4860 ChessProgramState *cps;
4864 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4865 // null move in variant where engine does not understand it (for analysis purposes)
4866 SendBoard(cps, moveNum + 1); // send position after move in stead.
4869 if (cps->useUsermove) {
4870 SendToProgram("usermove ", cps);
4874 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4875 int len = space - parseList[moveNum];
4876 memcpy(buf, parseList[moveNum], len);
4878 buf[len] = NULLCHAR;
4880 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4882 SendToProgram(buf, cps);
4884 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4885 AlphaRank(moveList[moveNum], 4);
4886 SendToProgram(moveList[moveNum], cps);
4887 AlphaRank(moveList[moveNum], 4); // and back
4889 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4890 * the engine. It would be nice to have a better way to identify castle
4892 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4893 && cps->useOOCastle) {
4894 int fromX = moveList[moveNum][0] - AAA;
4895 int fromY = moveList[moveNum][1] - ONE;
4896 int toX = moveList[moveNum][2] - AAA;
4897 int toY = moveList[moveNum][3] - ONE;
4898 if((boards[moveNum][fromY][fromX] == WhiteKing
4899 && boards[moveNum][toY][toX] == WhiteRook)
4900 || (boards[moveNum][fromY][fromX] == BlackKing
4901 && boards[moveNum][toY][toX] == BlackRook)) {
4902 if(toX > fromX) SendToProgram("O-O\n", cps);
4903 else SendToProgram("O-O-O\n", cps);
4905 else SendToProgram(moveList[moveNum], cps);
4907 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4908 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4909 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4910 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4911 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4913 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4914 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4915 SendToProgram(buf, cps);
4917 else SendToProgram(moveList[moveNum], cps);
4918 /* End of additions by Tord */
4921 /* [HGM] setting up the opening has brought engine in force mode! */
4922 /* Send 'go' if we are in a mode where machine should play. */
4923 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4924 (gameMode == TwoMachinesPlay ||
4926 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4928 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4929 SendToProgram("go\n", cps);
4930 if (appData.debugMode) {
4931 fprintf(debugFP, "(extra)\n");
4934 setboardSpoiledMachineBlack = 0;
4938 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4940 int fromX, fromY, toX, toY;
4943 char user_move[MSG_SIZ];
4947 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4948 (int)moveType, fromX, fromY, toX, toY);
4949 DisplayError(user_move + strlen("say "), 0);
4951 case WhiteKingSideCastle:
4952 case BlackKingSideCastle:
4953 case WhiteQueenSideCastleWild:
4954 case BlackQueenSideCastleWild:
4956 case WhiteHSideCastleFR:
4957 case BlackHSideCastleFR:
4959 snprintf(user_move, MSG_SIZ, "o-o\n");
4961 case WhiteQueenSideCastle:
4962 case BlackQueenSideCastle:
4963 case WhiteKingSideCastleWild:
4964 case BlackKingSideCastleWild:
4966 case WhiteASideCastleFR:
4967 case BlackASideCastleFR:
4969 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4971 case WhiteNonPromotion:
4972 case BlackNonPromotion:
4973 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4975 case WhitePromotion:
4976 case BlackPromotion:
4977 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4978 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4979 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4980 PieceToChar(WhiteFerz));
4981 else if(gameInfo.variant == VariantGreat)
4982 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4983 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4984 PieceToChar(WhiteMan));
4986 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4987 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4993 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4994 ToUpper(PieceToChar((ChessSquare) fromX)),
4995 AAA + toX, ONE + toY);
4997 case IllegalMove: /* could be a variant we don't quite understand */
4998 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5000 case WhiteCapturesEnPassant:
5001 case BlackCapturesEnPassant:
5002 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5003 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5006 SendToICS(user_move);
5007 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5008 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5013 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5014 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5015 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5016 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5017 DisplayError("You cannot do this while you are playing or observing", 0);
5020 if(gameMode != IcsExamining) { // is this ever not the case?
5021 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5023 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5024 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5025 } else { // on FICS we must first go to general examine mode
5026 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5028 if(gameInfo.variant != VariantNormal) {
5029 // try figure out wild number, as xboard names are not always valid on ICS
5030 for(i=1; i<=36; i++) {
5031 snprintf(buf, MSG_SIZ, "wild/%d", i);
5032 if(StringToVariant(buf) == gameInfo.variant) break;
5034 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5035 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5036 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5037 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5038 SendToICS(ics_prefix);
5040 if(startedFromSetupPosition || backwardMostMove != 0) {
5041 fen = PositionToFEN(backwardMostMove, NULL);
5042 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5043 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5045 } else { // FICS: everything has to set by separate bsetup commands
5046 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5047 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5049 if(!WhiteOnMove(backwardMostMove)) {
5050 SendToICS("bsetup tomove black\n");
5052 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5053 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5055 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5056 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5058 i = boards[backwardMostMove][EP_STATUS];
5059 if(i >= 0) { // set e.p.
5060 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5066 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5067 SendToICS("bsetup done\n"); // switch to normal examining.
5069 for(i = backwardMostMove; i<last; i++) {
5071 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5074 SendToICS(ics_prefix);
5075 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5079 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5084 if (rf == DROP_RANK) {
5085 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5086 sprintf(move, "%c@%c%c\n",
5087 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5089 if (promoChar == 'x' || promoChar == NULLCHAR) {
5090 sprintf(move, "%c%c%c%c\n",
5091 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5093 sprintf(move, "%c%c%c%c%c\n",
5094 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5100 ProcessICSInitScript(f)
5105 while (fgets(buf, MSG_SIZ, f)) {
5106 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5113 static int lastX, lastY, selectFlag, dragging;
5118 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5119 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5120 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5121 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5122 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5123 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5126 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5127 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5128 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5129 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5131 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5132 appData.testLegality && (promoSweep == king ||
5133 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5134 ChangeDragPiece(promoSweep);
5137 int PromoScroll(int x, int y)
5141 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5142 if(abs(x - lastX) < 15 && abs(y - lastY) < 15) return FALSE;
5143 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5144 if(!step) return FALSE;
5145 lastX = x; lastY = y;
5146 if((promoSweep < BlackPawn) == flipView) step = -step;
5147 if(step > 0) selectFlag = 1;
5148 if(!selectFlag) Sweep(step);
5155 ChessSquare piece = boards[currentMove][toY][toX];
5158 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5159 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5160 if(!step) step = -1;
5161 } while(PieceToChar(pieceSweep) == '.');
5162 boards[currentMove][toY][toX] = pieceSweep;
5163 DrawPosition(FALSE, boards[currentMove]);
5164 boards[currentMove][toY][toX] = piece;
5166 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5168 AlphaRank(char *move, int n)
5170 // char *p = move, c; int x, y;
5172 if (appData.debugMode) {
5173 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5177 move[2]>='0' && move[2]<='9' &&
5178 move[3]>='a' && move[3]<='x' ) {
5180 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5181 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5183 if(move[0]>='0' && move[0]<='9' &&
5184 move[1]>='a' && move[1]<='x' &&
5185 move[2]>='0' && move[2]<='9' &&
5186 move[3]>='a' && move[3]<='x' ) {
5187 /* input move, Shogi -> normal */
5188 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5189 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5190 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5191 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5194 move[3]>='0' && move[3]<='9' &&
5195 move[2]>='a' && move[2]<='x' ) {
5197 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5198 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5201 move[0]>='a' && move[0]<='x' &&
5202 move[3]>='0' && move[3]<='9' &&
5203 move[2]>='a' && move[2]<='x' ) {
5204 /* output move, normal -> Shogi */
5205 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5206 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5207 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5208 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5209 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5211 if (appData.debugMode) {
5212 fprintf(debugFP, " out = '%s'\n", move);
5216 char yy_textstr[8000];
5218 /* Parser for moves from gnuchess, ICS, or user typein box */
5220 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5223 ChessMove *moveType;
5224 int *fromX, *fromY, *toX, *toY;
5227 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5229 switch (*moveType) {
5230 case WhitePromotion:
5231 case BlackPromotion:
5232 case WhiteNonPromotion:
5233 case BlackNonPromotion:
5235 case WhiteCapturesEnPassant:
5236 case BlackCapturesEnPassant:
5237 case WhiteKingSideCastle:
5238 case WhiteQueenSideCastle:
5239 case BlackKingSideCastle:
5240 case BlackQueenSideCastle:
5241 case WhiteKingSideCastleWild:
5242 case WhiteQueenSideCastleWild:
5243 case BlackKingSideCastleWild:
5244 case BlackQueenSideCastleWild:
5245 /* Code added by Tord: */
5246 case WhiteHSideCastleFR:
5247 case WhiteASideCastleFR:
5248 case BlackHSideCastleFR:
5249 case BlackASideCastleFR:
5250 /* End of code added by Tord */
5251 case IllegalMove: /* bug or odd chess variant */
5252 *fromX = currentMoveString[0] - AAA;
5253 *fromY = currentMoveString[1] - ONE;
5254 *toX = currentMoveString[2] - AAA;
5255 *toY = currentMoveString[3] - ONE;
5256 *promoChar = currentMoveString[4];
5257 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5258 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5259 if (appData.debugMode) {
5260 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5262 *fromX = *fromY = *toX = *toY = 0;
5265 if (appData.testLegality) {
5266 return (*moveType != IllegalMove);
5268 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5269 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5274 *fromX = *moveType == WhiteDrop ?
5275 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5276 (int) CharToPiece(ToLower(currentMoveString[0]));
5278 *toX = currentMoveString[2] - AAA;
5279 *toY = currentMoveString[3] - ONE;
5280 *promoChar = NULLCHAR;
5284 case ImpossibleMove:
5294 if (appData.debugMode) {
5295 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5298 *fromX = *fromY = *toX = *toY = 0;
5299 *promoChar = NULLCHAR;
5304 Boolean pushed = FALSE;
5305 char *lastParseAttempt;
5308 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5309 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5310 int fromX, fromY, toX, toY; char promoChar;
5315 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5316 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5319 endPV = forwardMostMove;
5321 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5322 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5323 lastParseAttempt = pv;
5324 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5325 if(appData.debugMode){
5326 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
5328 if(!valid && nr == 0 &&
5329 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5330 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5331 // Hande case where played move is different from leading PV move
5332 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5333 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5334 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5335 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5336 endPV += 2; // if position different, keep this
5337 moveList[endPV-1][0] = fromX + AAA;
5338 moveList[endPV-1][1] = fromY + ONE;
5339 moveList[endPV-1][2] = toX + AAA;
5340 moveList[endPV-1][3] = toY + ONE;
5341 parseList[endPV-1][0] = NULLCHAR;
5342 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5345 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5346 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5347 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5348 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5349 valid++; // allow comments in PV
5353 if(endPV+1 > framePtr) break; // no space, truncate
5356 CopyBoard(boards[endPV], boards[endPV-1]);
5357 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5358 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5359 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5360 CoordsToAlgebraic(boards[endPV - 1],
5361 PosFlags(endPV - 1),
5362 fromY, fromX, toY, toX, promoChar,
5363 parseList[endPV - 1]);
5365 if(atEnd == 2) return; // used hidden, for PV conversion
5366 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5367 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5368 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5369 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5370 DrawPosition(TRUE, boards[currentMove]);
5374 MultiPV(ChessProgramState *cps)
5375 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5377 for(i=0; i<cps->nrOptions; i++)
5378 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5384 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5386 int startPV, multi, lineStart, origIndex = index;
5387 char *p, buf2[MSG_SIZ];
5389 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5390 lastX = x; lastY = y;
5391 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5392 lineStart = startPV = index;
5393 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5394 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5396 do{ while(buf[index] && buf[index] != '\n') index++;
5397 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5399 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5400 int n = first.option[multi].value;
5401 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5402 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5403 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5404 first.option[multi].value = n;
5408 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5409 *start = startPV; *end = index-1;
5416 static char buf[10*MSG_SIZ];
5417 int i, k=0, savedEnd=endPV;
5419 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5420 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5421 for(i = forwardMostMove; i<endPV; i++){
5422 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5423 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5426 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5427 if(forwardMostMove < savedEnd) PopInner(0);
5433 LoadPV(int x, int y)
5434 { // called on right mouse click to load PV
5435 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5436 lastX = x; lastY = y;
5437 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5444 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5445 if(endPV < 0) return;
5447 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5448 Boolean saveAnimate = appData.animate;
5450 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5451 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5452 } else storedGames--; // abandon shelved tail of original game
5455 forwardMostMove = currentMove;
5456 currentMove = oldFMM;
5457 appData.animate = FALSE;
5458 ToNrEvent(forwardMostMove);
5459 appData.animate = saveAnimate;
5461 currentMove = forwardMostMove;
5462 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5463 ClearPremoveHighlights();
5464 DrawPosition(TRUE, boards[currentMove]);
5468 MovePV(int x, int y, int h)
5469 { // step through PV based on mouse coordinates (called on mouse move)
5470 int margin = h>>3, step = 0;
5472 // we must somehow check if right button is still down (might be released off board!)
5473 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5474 if(abs(x - lastX) < 7 && abs(y - lastY) < 7) return;
5475 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5477 lastX = x; lastY = y;
5479 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5480 if(endPV < 0) return;
5481 if(y < margin) step = 1; else
5482 if(y > h - margin) step = -1;
5483 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5484 currentMove += step;
5485 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5486 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5487 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5488 DrawPosition(FALSE, boards[currentMove]);
5492 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5493 // All positions will have equal probability, but the current method will not provide a unique
5494 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5500 int piecesLeft[(int)BlackPawn];
5501 int seed, nrOfShuffles;
5503 void GetPositionNumber()
5504 { // sets global variable seed
5507 seed = appData.defaultFrcPosition;
5508 if(seed < 0) { // randomize based on time for negative FRC position numbers
5509 for(i=0; i<50; i++) seed += random();
5510 seed = random() ^ random() >> 8 ^ random() << 8;
5511 if(seed<0) seed = -seed;
5515 int put(Board board, int pieceType, int rank, int n, int shade)
5516 // put the piece on the (n-1)-th empty squares of the given shade
5520 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5521 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5522 board[rank][i] = (ChessSquare) pieceType;
5523 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5525 piecesLeft[pieceType]--;
5533 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5534 // calculate where the next piece goes, (any empty square), and put it there
5538 i = seed % squaresLeft[shade];
5539 nrOfShuffles *= squaresLeft[shade];
5540 seed /= squaresLeft[shade];
5541 put(board, pieceType, rank, i, shade);
5544 void AddTwoPieces(Board board, int pieceType, int rank)
5545 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5547 int i, n=squaresLeft[ANY], j=n-1, k;
5549 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5550 i = seed % k; // pick one
5553 while(i >= j) i -= j--;
5554 j = n - 1 - j; i += j;
5555 put(board, pieceType, rank, j, ANY);
5556 put(board, pieceType, rank, i, ANY);
5559 void SetUpShuffle(Board board, int number)
5563 GetPositionNumber(); nrOfShuffles = 1;
5565 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5566 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5567 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5569 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5571 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5572 p = (int) board[0][i];
5573 if(p < (int) BlackPawn) piecesLeft[p] ++;
5574 board[0][i] = EmptySquare;
5577 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5578 // shuffles restricted to allow normal castling put KRR first
5579 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5580 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5581 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5582 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5583 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5584 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5585 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5586 put(board, WhiteRook, 0, 0, ANY);
5587 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5590 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5591 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5592 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5593 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5594 while(piecesLeft[p] >= 2) {
5595 AddOnePiece(board, p, 0, LITE);
5596 AddOnePiece(board, p, 0, DARK);
5598 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5601 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5602 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5603 // but we leave King and Rooks for last, to possibly obey FRC restriction
5604 if(p == (int)WhiteRook) continue;
5605 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5606 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5609 // now everything is placed, except perhaps King (Unicorn) and Rooks
5611 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5612 // Last King gets castling rights
5613 while(piecesLeft[(int)WhiteUnicorn]) {
5614 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5615 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5618 while(piecesLeft[(int)WhiteKing]) {
5619 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5620 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5625 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5626 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5629 // Only Rooks can be left; simply place them all
5630 while(piecesLeft[(int)WhiteRook]) {
5631 i = put(board, WhiteRook, 0, 0, ANY);
5632 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5635 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5637 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5640 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5641 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5644 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5647 int SetCharTable( char *table, const char * map )
5648 /* [HGM] moved here from winboard.c because of its general usefulness */
5649 /* Basically a safe strcpy that uses the last character as King */
5651 int result = FALSE; int NrPieces;
5653 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5654 && NrPieces >= 12 && !(NrPieces&1)) {
5655 int i; /* [HGM] Accept even length from 12 to 34 */
5657 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5658 for( i=0; i<NrPieces/2-1; i++ ) {
5660 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5662 table[(int) WhiteKing] = map[NrPieces/2-1];
5663 table[(int) BlackKing] = map[NrPieces-1];
5671 void Prelude(Board board)
5672 { // [HGM] superchess: random selection of exo-pieces
5673 int i, j, k; ChessSquare p;
5674 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5676 GetPositionNumber(); // use FRC position number
5678 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5679 SetCharTable(pieceToChar, appData.pieceToCharTable);
5680 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5681 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5684 j = seed%4; seed /= 4;
5685 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5686 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5687 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5688 j = seed%3 + (seed%3 >= j); seed /= 3;
5689 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5690 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5691 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5692 j = seed%3; seed /= 3;
5693 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5694 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5695 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5696 j = seed%2 + (seed%2 >= j); seed /= 2;
5697 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5698 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5699 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5700 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5701 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5702 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5703 put(board, exoPieces[0], 0, 0, ANY);
5704 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5708 InitPosition(redraw)
5711 ChessSquare (* pieces)[BOARD_FILES];
5712 int i, j, pawnRow, overrule,
5713 oldx = gameInfo.boardWidth,
5714 oldy = gameInfo.boardHeight,
5715 oldh = gameInfo.holdingsWidth;
5718 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5720 /* [AS] Initialize pv info list [HGM] and game status */
5722 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5723 pvInfoList[i].depth = 0;
5724 boards[i][EP_STATUS] = EP_NONE;
5725 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5728 initialRulePlies = 0; /* 50-move counter start */
5730 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5731 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5735 /* [HGM] logic here is completely changed. In stead of full positions */
5736 /* the initialized data only consist of the two backranks. The switch */
5737 /* selects which one we will use, which is than copied to the Board */
5738 /* initialPosition, which for the rest is initialized by Pawns and */
5739 /* empty squares. This initial position is then copied to boards[0], */
5740 /* possibly after shuffling, so that it remains available. */
5742 gameInfo.holdingsWidth = 0; /* default board sizes */
5743 gameInfo.boardWidth = 8;
5744 gameInfo.boardHeight = 8;
5745 gameInfo.holdingsSize = 0;
5746 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5747 for(i=0; i<BOARD_FILES-2; i++)
5748 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5749 initialPosition[EP_STATUS] = EP_NONE;
5750 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5751 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5752 SetCharTable(pieceNickName, appData.pieceNickNames);
5753 else SetCharTable(pieceNickName, "............");
5756 switch (gameInfo.variant) {
5757 case VariantFischeRandom:
5758 shuffleOpenings = TRUE;
5761 case VariantShatranj:
5762 pieces = ShatranjArray;
5763 nrCastlingRights = 0;
5764 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5767 pieces = makrukArray;
5768 nrCastlingRights = 0;
5769 startedFromSetupPosition = TRUE;
5770 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5772 case VariantTwoKings:
5773 pieces = twoKingsArray;
5776 pieces = GrandArray;
5777 nrCastlingRights = 0;
5778 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5779 gameInfo.boardWidth = 10;
5780 gameInfo.boardHeight = 10;
5781 gameInfo.holdingsSize = 7;
5783 case VariantCapaRandom:
5784 shuffleOpenings = TRUE;
5785 case VariantCapablanca:
5786 pieces = CapablancaArray;
5787 gameInfo.boardWidth = 10;
5788 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5791 pieces = GothicArray;
5792 gameInfo.boardWidth = 10;
5793 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5796 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5797 gameInfo.holdingsSize = 7;
5800 pieces = JanusArray;
5801 gameInfo.boardWidth = 10;
5802 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5803 nrCastlingRights = 6;
5804 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5805 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5806 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5807 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5808 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5809 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5812 pieces = FalconArray;
5813 gameInfo.boardWidth = 10;
5814 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5816 case VariantXiangqi:
5817 pieces = XiangqiArray;
5818 gameInfo.boardWidth = 9;
5819 gameInfo.boardHeight = 10;
5820 nrCastlingRights = 0;
5821 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5824 pieces = ShogiArray;
5825 gameInfo.boardWidth = 9;
5826 gameInfo.boardHeight = 9;
5827 gameInfo.holdingsSize = 7;
5828 nrCastlingRights = 0;
5829 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5831 case VariantCourier:
5832 pieces = CourierArray;
5833 gameInfo.boardWidth = 12;
5834 nrCastlingRights = 0;
5835 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5837 case VariantKnightmate:
5838 pieces = KnightmateArray;
5839 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5841 case VariantSpartan:
5842 pieces = SpartanArray;
5843 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5846 pieces = fairyArray;
5847 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5850 pieces = GreatArray;
5851 gameInfo.boardWidth = 10;
5852 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5853 gameInfo.holdingsSize = 8;
5857 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5858 gameInfo.holdingsSize = 8;
5859 startedFromSetupPosition = TRUE;
5861 case VariantCrazyhouse:
5862 case VariantBughouse:
5864 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5865 gameInfo.holdingsSize = 5;
5867 case VariantWildCastle:
5869 /* !!?shuffle with kings guaranteed to be on d or e file */
5870 shuffleOpenings = 1;
5872 case VariantNoCastle:
5874 nrCastlingRights = 0;
5875 /* !!?unconstrained back-rank shuffle */
5876 shuffleOpenings = 1;
5881 if(appData.NrFiles >= 0) {
5882 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5883 gameInfo.boardWidth = appData.NrFiles;
5885 if(appData.NrRanks >= 0) {
5886 gameInfo.boardHeight = appData.NrRanks;
5888 if(appData.holdingsSize >= 0) {
5889 i = appData.holdingsSize;
5890 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5891 gameInfo.holdingsSize = i;
5893 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5894 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5895 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5897 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5898 if(pawnRow < 1) pawnRow = 1;
5899 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5901 /* User pieceToChar list overrules defaults */
5902 if(appData.pieceToCharTable != NULL)
5903 SetCharTable(pieceToChar, appData.pieceToCharTable);
5905 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5907 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5908 s = (ChessSquare) 0; /* account holding counts in guard band */
5909 for( i=0; i<BOARD_HEIGHT; i++ )
5910 initialPosition[i][j] = s;
5912 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5913 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5914 initialPosition[pawnRow][j] = WhitePawn;
5915 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5916 if(gameInfo.variant == VariantXiangqi) {
5918 initialPosition[pawnRow][j] =
5919 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5920 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5921 initialPosition[2][j] = WhiteCannon;
5922 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5926 if(gameInfo.variant == VariantGrand) {
5927 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5928 initialPosition[0][j] = WhiteRook;
5929 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5932 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5934 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5937 initialPosition[1][j] = WhiteBishop;
5938 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5940 initialPosition[1][j] = WhiteRook;
5941 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5944 if( nrCastlingRights == -1) {
5945 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5946 /* This sets default castling rights from none to normal corners */
5947 /* Variants with other castling rights must set them themselves above */
5948 nrCastlingRights = 6;
5950 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5951 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5952 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5953 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5954 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5955 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5958 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5959 if(gameInfo.variant == VariantGreat) { // promotion commoners
5960 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5961 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5962 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5963 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5965 if( gameInfo.variant == VariantSChess ) {
5966 initialPosition[1][0] = BlackMarshall;
5967 initialPosition[2][0] = BlackAngel;
5968 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5969 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5970 initialPosition[1][1] = initialPosition[2][1] =
5971 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5973 if (appData.debugMode) {
5974 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5976 if(shuffleOpenings) {
5977 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5978 startedFromSetupPosition = TRUE;
5980 if(startedFromPositionFile) {
5981 /* [HGM] loadPos: use PositionFile for every new game */
5982 CopyBoard(initialPosition, filePosition);
5983 for(i=0; i<nrCastlingRights; i++)
5984 initialRights[i] = filePosition[CASTLING][i];
5985 startedFromSetupPosition = TRUE;
5988 CopyBoard(boards[0], initialPosition);
5990 if(oldx != gameInfo.boardWidth ||
5991 oldy != gameInfo.boardHeight ||
5992 oldv != gameInfo.variant ||
5993 oldh != gameInfo.holdingsWidth
5995 InitDrawingSizes(-2 ,0);
5997 oldv = gameInfo.variant;
5999 DrawPosition(TRUE, boards[currentMove]);
6003 SendBoard(cps, moveNum)
6004 ChessProgramState *cps;
6007 char message[MSG_SIZ];
6009 if (cps->useSetboard) {
6010 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6011 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6012 SendToProgram(message, cps);
6018 /* Kludge to set black to move, avoiding the troublesome and now
6019 * deprecated "black" command.
6021 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6022 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6024 SendToProgram("edit\n", cps);
6025 SendToProgram("#\n", cps);
6026 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6027 bp = &boards[moveNum][i][BOARD_LEFT];
6028 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6029 if ((int) *bp < (int) BlackPawn) {
6030 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6032 if(message[0] == '+' || message[0] == '~') {
6033 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6034 PieceToChar((ChessSquare)(DEMOTED *bp)),
6037 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6038 message[1] = BOARD_RGHT - 1 - j + '1';
6039 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6041 SendToProgram(message, cps);
6046 SendToProgram("c\n", cps);
6047 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6048 bp = &boards[moveNum][i][BOARD_LEFT];
6049 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6050 if (((int) *bp != (int) EmptySquare)
6051 && ((int) *bp >= (int) BlackPawn)) {
6052 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6054 if(message[0] == '+' || message[0] == '~') {
6055 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6056 PieceToChar((ChessSquare)(DEMOTED *bp)),
6059 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6060 message[1] = BOARD_RGHT - 1 - j + '1';
6061 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6063 SendToProgram(message, cps);
6068 SendToProgram(".\n", cps);
6070 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6074 DefaultPromoChoice(int white)
6077 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6078 result = WhiteFerz; // no choice
6079 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6080 result= WhiteKing; // in Suicide Q is the last thing we want
6081 else if(gameInfo.variant == VariantSpartan)
6082 result = white ? WhiteQueen : WhiteAngel;
6083 else result = WhiteQueen;
6084 if(!white) result = WHITE_TO_BLACK result;
6088 static int autoQueen; // [HGM] oneclick
6091 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6093 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6094 /* [HGM] add Shogi promotions */
6095 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6100 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6101 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6103 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6104 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6107 piece = boards[currentMove][fromY][fromX];
6108 if(gameInfo.variant == VariantShogi) {
6109 promotionZoneSize = BOARD_HEIGHT/3;
6110 highestPromotingPiece = (int)WhiteFerz;
6111 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6112 promotionZoneSize = 3;
6115 // Treat Lance as Pawn when it is not representing Amazon
6116 if(gameInfo.variant != VariantSuper) {
6117 if(piece == WhiteLance) piece = WhitePawn; else
6118 if(piece == BlackLance) piece = BlackPawn;
6121 // next weed out all moves that do not touch the promotion zone at all
6122 if((int)piece >= BlackPawn) {
6123 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6125 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6127 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6128 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6131 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6133 // weed out mandatory Shogi promotions
6134 if(gameInfo.variant == VariantShogi) {
6135 if(piece >= BlackPawn) {
6136 if(toY == 0 && piece == BlackPawn ||
6137 toY == 0 && piece == BlackQueen ||
6138 toY <= 1 && piece == BlackKnight) {
6143 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6144 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6145 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6152 // weed out obviously illegal Pawn moves
6153 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6154 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6155 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6156 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6157 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6158 // note we are not allowed to test for valid (non-)capture, due to premove
6161 // we either have a choice what to promote to, or (in Shogi) whether to promote
6162 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6163 *promoChoice = PieceToChar(BlackFerz); // no choice
6166 // no sense asking what we must promote to if it is going to explode...
6167 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6168 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6171 // give caller the default choice even if we will not make it
6172 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6173 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6174 if( sweepSelect && gameInfo.variant != VariantGreat
6175 && gameInfo.variant != VariantGrand
6176 && gameInfo.variant != VariantSuper) return FALSE;
6177 if(autoQueen) return FALSE; // predetermined
6179 // suppress promotion popup on illegal moves that are not premoves
6180 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6181 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6182 if(appData.testLegality && !premove) {
6183 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6184 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6185 if(moveType != WhitePromotion && moveType != BlackPromotion)
6193 InPalace(row, column)
6195 { /* [HGM] for Xiangqi */
6196 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6197 column < (BOARD_WIDTH + 4)/2 &&
6198 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6203 PieceForSquare (x, y)
6207 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6210 return boards[currentMove][y][x];
6214 OKToStartUserMove(x, y)
6217 ChessSquare from_piece;
6220 if (matchMode) return FALSE;
6221 if (gameMode == EditPosition) return TRUE;
6223 if (x >= 0 && y >= 0)
6224 from_piece = boards[currentMove][y][x];
6226 from_piece = EmptySquare;
6228 if (from_piece == EmptySquare) return FALSE;
6230 white_piece = (int)from_piece >= (int)WhitePawn &&
6231 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6235 case TwoMachinesPlay:
6243 case MachinePlaysWhite:
6244 case IcsPlayingBlack:
6245 if (appData.zippyPlay) return FALSE;
6247 DisplayMoveError(_("You are playing Black"));
6252 case MachinePlaysBlack:
6253 case IcsPlayingWhite:
6254 if (appData.zippyPlay) return FALSE;
6256 DisplayMoveError(_("You are playing White"));
6261 case PlayFromGameFile:
6262 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6264 if (!white_piece && WhiteOnMove(currentMove)) {
6265 DisplayMoveError(_("It is White's turn"));
6268 if (white_piece && !WhiteOnMove(currentMove)) {
6269 DisplayMoveError(_("It is Black's turn"));
6272 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6273 /* Editing correspondence game history */
6274 /* Could disallow this or prompt for confirmation */
6279 case BeginningOfGame:
6280 if (appData.icsActive) return FALSE;
6281 if (!appData.noChessProgram) {
6283 DisplayMoveError(_("You are playing White"));
6290 if (!white_piece && WhiteOnMove(currentMove)) {
6291 DisplayMoveError(_("It is White's turn"));
6294 if (white_piece && !WhiteOnMove(currentMove)) {
6295 DisplayMoveError(_("It is Black's turn"));
6304 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6305 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6306 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6307 && gameMode != AnalyzeFile && gameMode != Training) {
6308 DisplayMoveError(_("Displayed position is not current"));
6315 OnlyMove(int *x, int *y, Boolean captures) {
6316 DisambiguateClosure cl;
6317 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6319 case MachinePlaysBlack:
6320 case IcsPlayingWhite:
6321 case BeginningOfGame:
6322 if(!WhiteOnMove(currentMove)) return FALSE;
6324 case MachinePlaysWhite:
6325 case IcsPlayingBlack:
6326 if(WhiteOnMove(currentMove)) return FALSE;
6333 cl.pieceIn = EmptySquare;
6338 cl.promoCharIn = NULLCHAR;
6339 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6340 if( cl.kind == NormalMove ||
6341 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6342 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6343 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6350 if(cl.kind != ImpossibleMove) return FALSE;
6351 cl.pieceIn = EmptySquare;
6356 cl.promoCharIn = NULLCHAR;
6357 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6358 if( cl.kind == NormalMove ||
6359 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6360 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6361 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6366 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6372 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6373 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6374 int lastLoadGameUseList = FALSE;
6375 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6376 ChessMove lastLoadGameStart = EndOfFile;
6379 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6380 int fromX, fromY, toX, toY;
6384 ChessSquare pdown, pup;
6386 /* Check if the user is playing in turn. This is complicated because we
6387 let the user "pick up" a piece before it is his turn. So the piece he
6388 tried to pick up may have been captured by the time he puts it down!
6389 Therefore we use the color the user is supposed to be playing in this
6390 test, not the color of the piece that is currently on the starting
6391 square---except in EditGame mode, where the user is playing both
6392 sides; fortunately there the capture race can't happen. (It can
6393 now happen in IcsExamining mode, but that's just too bad. The user
6394 will get a somewhat confusing message in that case.)
6399 case TwoMachinesPlay:
6403 /* We switched into a game mode where moves are not accepted,
6404 perhaps while the mouse button was down. */
6407 case MachinePlaysWhite:
6408 /* User is moving for Black */
6409 if (WhiteOnMove(currentMove)) {
6410 DisplayMoveError(_("It is White's turn"));
6415 case MachinePlaysBlack:
6416 /* User is moving for White */
6417 if (!WhiteOnMove(currentMove)) {
6418 DisplayMoveError(_("It is Black's turn"));
6423 case PlayFromGameFile:
6424 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6427 case BeginningOfGame:
6430 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6431 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6432 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6433 /* User is moving for Black */
6434 if (WhiteOnMove(currentMove)) {
6435 DisplayMoveError(_("It is White's turn"));
6439 /* User is moving for White */
6440 if (!WhiteOnMove(currentMove)) {
6441 DisplayMoveError(_("It is Black's turn"));
6447 case IcsPlayingBlack:
6448 /* User is moving for Black */
6449 if (WhiteOnMove(currentMove)) {
6450 if (!appData.premove) {
6451 DisplayMoveError(_("It is White's turn"));
6452 } else if (toX >= 0 && toY >= 0) {
6455 premoveFromX = fromX;
6456 premoveFromY = fromY;
6457 premovePromoChar = promoChar;
6459 if (appData.debugMode)
6460 fprintf(debugFP, "Got premove: fromX %d,"
6461 "fromY %d, toX %d, toY %d\n",
6462 fromX, fromY, toX, toY);
6468 case IcsPlayingWhite:
6469 /* User is moving for White */
6470 if (!WhiteOnMove(currentMove)) {
6471 if (!appData.premove) {
6472 DisplayMoveError(_("It is Black's turn"));
6473 } else if (toX >= 0 && toY >= 0) {
6476 premoveFromX = fromX;
6477 premoveFromY = fromY;
6478 premovePromoChar = promoChar;
6480 if (appData.debugMode)
6481 fprintf(debugFP, "Got premove: fromX %d,"
6482 "fromY %d, toX %d, toY %d\n",
6483 fromX, fromY, toX, toY);
6493 /* EditPosition, empty square, or different color piece;
6494 click-click move is possible */
6495 if (toX == -2 || toY == -2) {
6496 boards[0][fromY][fromX] = EmptySquare;
6497 DrawPosition(FALSE, boards[currentMove]);
6499 } else if (toX >= 0 && toY >= 0) {
6500 boards[0][toY][toX] = boards[0][fromY][fromX];
6501 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6502 if(boards[0][fromY][0] != EmptySquare) {
6503 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6504 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6507 if(fromX == BOARD_RGHT+1) {
6508 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6509 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6510 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6513 boards[0][fromY][fromX] = EmptySquare;
6514 DrawPosition(FALSE, boards[currentMove]);
6520 if(toX < 0 || toY < 0) return;
6521 pdown = boards[currentMove][fromY][fromX];
6522 pup = boards[currentMove][toY][toX];
6524 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6525 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6526 if( pup != EmptySquare ) return;
6527 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6528 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6529 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6530 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6531 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6532 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6533 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6537 /* [HGM] always test for legality, to get promotion info */
6538 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6539 fromY, fromX, toY, toX, promoChar);
6541 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6543 /* [HGM] but possibly ignore an IllegalMove result */
6544 if (appData.testLegality) {
6545 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6546 DisplayMoveError(_("Illegal move"));
6551 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6554 /* Common tail of UserMoveEvent and DropMenuEvent */
6556 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6558 int fromX, fromY, toX, toY;
6559 /*char*/int promoChar;
6563 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6564 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6565 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6566 if(WhiteOnMove(currentMove)) {
6567 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6569 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6573 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6574 move type in caller when we know the move is a legal promotion */
6575 if(moveType == NormalMove && promoChar)
6576 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6578 /* [HGM] <popupFix> The following if has been moved here from
6579 UserMoveEvent(). Because it seemed to belong here (why not allow
6580 piece drops in training games?), and because it can only be
6581 performed after it is known to what we promote. */
6582 if (gameMode == Training) {
6583 /* compare the move played on the board to the next move in the
6584 * game. If they match, display the move and the opponent's response.
6585 * If they don't match, display an error message.
6589 CopyBoard(testBoard, boards[currentMove]);
6590 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6592 if (CompareBoards(testBoard, boards[currentMove+1])) {
6593 ForwardInner(currentMove+1);
6595 /* Autoplay the opponent's response.
6596 * if appData.animate was TRUE when Training mode was entered,
6597 * the response will be animated.
6599 saveAnimate = appData.animate;
6600 appData.animate = animateTraining;
6601 ForwardInner(currentMove+1);
6602 appData.animate = saveAnimate;
6604 /* check for the end of the game */
6605 if (currentMove >= forwardMostMove) {
6606 gameMode = PlayFromGameFile;
6608 SetTrainingModeOff();
6609 DisplayInformation(_("End of game"));
6612 DisplayError(_("Incorrect move"), 0);
6617 /* Ok, now we know that the move is good, so we can kill
6618 the previous line in Analysis Mode */
6619 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6620 && currentMove < forwardMostMove) {
6621 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6622 else forwardMostMove = currentMove;
6625 /* If we need the chess program but it's dead, restart it */
6626 ResurrectChessProgram();
6628 /* A user move restarts a paused game*/
6632 thinkOutput[0] = NULLCHAR;
6634 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6636 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6637 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6641 if (gameMode == BeginningOfGame) {
6642 if (appData.noChessProgram) {
6643 gameMode = EditGame;
6647 gameMode = MachinePlaysBlack;
6650 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6652 if (first.sendName) {
6653 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6654 SendToProgram(buf, &first);
6661 /* Relay move to ICS or chess engine */
6662 if (appData.icsActive) {
6663 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6664 gameMode == IcsExamining) {
6665 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6666 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6668 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6670 // also send plain move, in case ICS does not understand atomic claims
6671 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6675 if (first.sendTime && (gameMode == BeginningOfGame ||
6676 gameMode == MachinePlaysWhite ||
6677 gameMode == MachinePlaysBlack)) {
6678 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6680 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6681 // [HGM] book: if program might be playing, let it use book
6682 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6683 first.maybeThinking = TRUE;
6684 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6685 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6686 SendBoard(&first, currentMove+1);
6687 } else SendMoveToProgram(forwardMostMove-1, &first);
6688 if (currentMove == cmailOldMove + 1) {
6689 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6693 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6697 if(appData.testLegality)
6698 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6704 if (WhiteOnMove(currentMove)) {
6705 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6707 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6711 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6716 case MachinePlaysBlack:
6717 case MachinePlaysWhite:
6718 /* disable certain menu options while machine is thinking */
6719 SetMachineThinkingEnables();
6726 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6727 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6729 if(bookHit) { // [HGM] book: simulate book reply
6730 static char bookMove[MSG_SIZ]; // a bit generous?
6732 programStats.nodes = programStats.depth = programStats.time =
6733 programStats.score = programStats.got_only_move = 0;
6734 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6736 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6737 strcat(bookMove, bookHit);
6738 HandleMachineMove(bookMove, &first);
6744 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6751 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6752 Markers *m = (Markers *) closure;
6753 if(rf == fromY && ff == fromX)
6754 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6755 || kind == WhiteCapturesEnPassant
6756 || kind == BlackCapturesEnPassant);
6757 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6761 MarkTargetSquares(int clear)
6764 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6765 !appData.testLegality || gameMode == EditPosition) return;
6767 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6770 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6771 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6772 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6774 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6777 DrawPosition(TRUE, NULL);
6781 Explode(Board board, int fromX, int fromY, int toX, int toY)
6783 if(gameInfo.variant == VariantAtomic &&
6784 (board[toY][toX] != EmptySquare || // capture?
6785 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6786 board[fromY][fromX] == BlackPawn )
6788 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6794 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6796 int CanPromote(ChessSquare piece, int y)
6798 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6799 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6800 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6801 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6802 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6803 gameInfo.variant == VariantMakruk) return FALSE;
6804 return (piece == BlackPawn && y == 1 ||
6805 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6806 piece == BlackLance && y == 1 ||
6807 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6810 void LeftClick(ClickType clickType, int xPix, int yPix)
6813 Boolean saveAnimate;
6814 static int second = 0, promotionChoice = 0, clearFlag = 0;
6815 char promoChoice = NULLCHAR;
6818 if(appData.seekGraph && appData.icsActive && loggedOn &&
6819 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6820 SeekGraphClick(clickType, xPix, yPix, 0);
6824 if (clickType == Press) ErrorPopDown();
6826 x = EventToSquare(xPix, BOARD_WIDTH);
6827 y = EventToSquare(yPix, BOARD_HEIGHT);
6828 if (!flipView && y >= 0) {
6829 y = BOARD_HEIGHT - 1 - y;
6831 if (flipView && x >= 0) {
6832 x = BOARD_WIDTH - 1 - x;
6835 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6836 defaultPromoChoice = promoSweep;
6837 promoSweep = EmptySquare; // terminate sweep
6838 promoDefaultAltered = TRUE;
6839 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6842 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6843 if(clickType == Release) return; // ignore upclick of click-click destination
6844 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6845 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6846 if(gameInfo.holdingsWidth &&
6847 (WhiteOnMove(currentMove)
6848 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6849 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6850 // click in right holdings, for determining promotion piece
6851 ChessSquare p = boards[currentMove][y][x];
6852 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6853 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6854 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6855 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6860 DrawPosition(FALSE, boards[currentMove]);
6864 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6865 if(clickType == Press
6866 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6867 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6868 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6871 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6872 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6874 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6875 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6876 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6877 defaultPromoChoice = DefaultPromoChoice(side);
6880 autoQueen = appData.alwaysPromoteToQueen;
6884 gatingPiece = EmptySquare;
6885 if (clickType != Press) {
6886 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6887 DragPieceEnd(xPix, yPix); dragging = 0;
6888 DrawPosition(FALSE, NULL);
6892 fromX = x; fromY = y; toX = toY = -1;
6893 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6894 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6895 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6897 if (OKToStartUserMove(fromX, fromY)) {
6899 MarkTargetSquares(0);
6900 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6901 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6902 promoSweep = defaultPromoChoice;
6903 selectFlag = 0; lastX = xPix; lastY = yPix;
6904 Sweep(0); // Pawn that is going to promote: preview promotion piece
6905 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6907 if (appData.highlightDragging) {
6908 SetHighlights(fromX, fromY, -1, -1);
6910 } else fromX = fromY = -1;
6916 if (clickType == Press && gameMode != EditPosition) {
6921 // ignore off-board to clicks
6922 if(y < 0 || x < 0) return;
6924 /* Check if clicking again on the same color piece */
6925 fromP = boards[currentMove][fromY][fromX];
6926 toP = boards[currentMove][y][x];
6927 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6928 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6929 WhitePawn <= toP && toP <= WhiteKing &&
6930 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6931 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6932 (BlackPawn <= fromP && fromP <= BlackKing &&
6933 BlackPawn <= toP && toP <= BlackKing &&
6934 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6935 !(fromP == BlackKing && toP == BlackRook && frc))) {
6936 /* Clicked again on same color piece -- changed his mind */
6937 second = (x == fromX && y == fromY);
6938 promoDefaultAltered = FALSE;
6939 MarkTargetSquares(1);
6940 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6941 if (appData.highlightDragging) {
6942 SetHighlights(x, y, -1, -1);
6946 if (OKToStartUserMove(x, y)) {
6947 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6948 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6949 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6950 gatingPiece = boards[currentMove][fromY][fromX];
6951 else gatingPiece = EmptySquare;
6953 fromY = y; dragging = 1;
6954 MarkTargetSquares(0);
6955 DragPieceBegin(xPix, yPix, FALSE);
6956 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6957 promoSweep = defaultPromoChoice;
6958 selectFlag = 0; lastX = xPix; lastY = yPix;
6959 Sweep(0); // Pawn that is going to promote: preview promotion piece
6963 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6966 // ignore clicks on holdings
6967 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6970 if (clickType == Release && x == fromX && y == fromY) {
6971 DragPieceEnd(xPix, yPix); dragging = 0;
6973 // a deferred attempt to click-click move an empty square on top of a piece
6974 boards[currentMove][y][x] = EmptySquare;
6976 DrawPosition(FALSE, boards[currentMove]);
6977 fromX = fromY = -1; clearFlag = 0;
6980 if (appData.animateDragging) {
6981 /* Undo animation damage if any */
6982 DrawPosition(FALSE, NULL);
6985 /* Second up/down in same square; just abort move */
6988 gatingPiece = EmptySquare;
6991 ClearPremoveHighlights();
6993 /* First upclick in same square; start click-click mode */
6994 SetHighlights(x, y, -1, -1);
7001 /* we now have a different from- and (possibly off-board) to-square */
7002 /* Completed move */
7005 saveAnimate = appData.animate;
7006 MarkTargetSquares(1);
7007 if (clickType == Press) {
7008 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7009 // must be Edit Position mode with empty-square selected
7010 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7011 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7014 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7015 ChessSquare piece = boards[currentMove][fromY][fromX];
7016 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7017 promoSweep = defaultPromoChoice;
7018 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7019 selectFlag = 0; lastX = xPix; lastY = yPix;
7020 Sweep(0); // Pawn that is going to promote: preview promotion piece
7021 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7022 DrawPosition(FALSE, boards[currentMove]);
7025 /* Finish clickclick move */
7026 if (appData.animate || appData.highlightLastMove) {
7027 SetHighlights(fromX, fromY, toX, toY);
7032 /* Finish drag move */
7033 if (appData.highlightLastMove) {
7034 SetHighlights(fromX, fromY, toX, toY);
7038 DragPieceEnd(xPix, yPix); dragging = 0;
7039 /* Don't animate move and drag both */
7040 appData.animate = FALSE;
7043 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7044 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7045 ChessSquare piece = boards[currentMove][fromY][fromX];
7046 if(gameMode == EditPosition && piece != EmptySquare &&
7047 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7050 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7051 n = PieceToNumber(piece - (int)BlackPawn);
7052 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7053 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7054 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7056 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7057 n = PieceToNumber(piece);
7058 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7059 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7060 boards[currentMove][n][BOARD_WIDTH-2]++;
7062 boards[currentMove][fromY][fromX] = EmptySquare;
7066 DrawPosition(TRUE, boards[currentMove]);
7070 // off-board moves should not be highlighted
7071 if(x < 0 || y < 0) ClearHighlights();
7073 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7075 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7076 SetHighlights(fromX, fromY, toX, toY);
7077 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7078 // [HGM] super: promotion to captured piece selected from holdings
7079 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7080 promotionChoice = TRUE;
7081 // kludge follows to temporarily execute move on display, without promoting yet
7082 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7083 boards[currentMove][toY][toX] = p;
7084 DrawPosition(FALSE, boards[currentMove]);
7085 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7086 boards[currentMove][toY][toX] = q;
7087 DisplayMessage("Click in holdings to choose piece", "");
7092 int oldMove = currentMove;
7093 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7094 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7095 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7096 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7097 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7098 DrawPosition(TRUE, boards[currentMove]);
7101 appData.animate = saveAnimate;
7102 if (appData.animate || appData.animateDragging) {
7103 /* Undo animation damage if needed */
7104 DrawPosition(FALSE, NULL);
7108 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7109 { // front-end-free part taken out of PieceMenuPopup
7110 int whichMenu; int xSqr, ySqr;
7112 if(seekGraphUp) { // [HGM] seekgraph
7113 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7114 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7118 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7119 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7120 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7121 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7122 if(action == Press) {
7123 originalFlip = flipView;
7124 flipView = !flipView; // temporarily flip board to see game from partners perspective
7125 DrawPosition(TRUE, partnerBoard);
7126 DisplayMessage(partnerStatus, "");
7128 } else if(action == Release) {
7129 flipView = originalFlip;
7130 DrawPosition(TRUE, boards[currentMove]);
7136 xSqr = EventToSquare(x, BOARD_WIDTH);
7137 ySqr = EventToSquare(y, BOARD_HEIGHT);
7138 if (action == Release) {
7139 if(pieceSweep != EmptySquare) {
7140 EditPositionMenuEvent(pieceSweep, toX, toY);
7141 pieceSweep = EmptySquare;
7142 } else UnLoadPV(); // [HGM] pv
7144 if (action != Press) return -2; // return code to be ignored
7147 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7149 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7150 if (xSqr < 0 || ySqr < 0) return -1;
7151 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7152 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7153 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7154 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7158 if(!appData.icsEngineAnalyze) return -1;
7159 case IcsPlayingWhite:
7160 case IcsPlayingBlack:
7161 if(!appData.zippyPlay) goto noZip;
7164 case MachinePlaysWhite:
7165 case MachinePlaysBlack:
7166 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7167 if (!appData.dropMenu) {
7169 return 2; // flag front-end to grab mouse events
7171 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7172 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7175 if (xSqr < 0 || ySqr < 0) return -1;
7176 if (!appData.dropMenu || appData.testLegality &&
7177 gameInfo.variant != VariantBughouse &&
7178 gameInfo.variant != VariantCrazyhouse) return -1;
7179 whichMenu = 1; // drop menu
7185 if (((*fromX = xSqr) < 0) ||
7186 ((*fromY = ySqr) < 0)) {
7187 *fromX = *fromY = -1;
7191 *fromX = BOARD_WIDTH - 1 - *fromX;
7193 *fromY = BOARD_HEIGHT - 1 - *fromY;
7198 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7200 // char * hint = lastHint;
7201 FrontEndProgramStats stats;
7203 stats.which = cps == &first ? 0 : 1;
7204 stats.depth = cpstats->depth;
7205 stats.nodes = cpstats->nodes;
7206 stats.score = cpstats->score;
7207 stats.time = cpstats->time;
7208 stats.pv = cpstats->movelist;
7209 stats.hint = lastHint;
7210 stats.an_move_index = 0;
7211 stats.an_move_count = 0;
7213 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7214 stats.hint = cpstats->move_name;
7215 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7216 stats.an_move_count = cpstats->nr_moves;
7219 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
7221 SetProgramStats( &stats );
7225 ClearEngineOutputPane(int which)
7227 static FrontEndProgramStats dummyStats;
7228 dummyStats.which = which;
7229 dummyStats.pv = "#";
7230 SetProgramStats( &dummyStats );
7233 #define MAXPLAYERS 500
7236 TourneyStandings(int display)
7238 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7239 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7240 char result, *p, *names[MAXPLAYERS];
7242 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7243 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7244 names[0] = p = strdup(appData.participants);
7245 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7247 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7249 while(result = appData.results[nr]) {
7250 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7251 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7252 wScore = bScore = 0;
7254 case '+': wScore = 2; break;
7255 case '-': bScore = 2; break;
7256 case '=': wScore = bScore = 1; break;
7258 case '*': return strdup("busy"); // tourney not finished
7266 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7267 for(w=0; w<nPlayers; w++) {
7269 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7270 ranking[w] = b; points[w] = bScore; score[b] = -2;
7272 p = malloc(nPlayers*34+1);
7273 for(w=0; w<nPlayers && w<display; w++)
7274 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7280 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7281 { // count all piece types
7283 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7284 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7285 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7288 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7289 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7290 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7291 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7292 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7293 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7298 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7300 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7301 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7303 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7304 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7305 if(myPawns == 2 && nMine == 3) // KPP
7306 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7307 if(myPawns == 1 && nMine == 2) // KP
7308 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7309 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7310 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7311 if(myPawns) return FALSE;
7312 if(pCnt[WhiteRook+side])
7313 return pCnt[BlackRook-side] ||
7314 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7315 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7316 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7317 if(pCnt[WhiteCannon+side]) {
7318 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7319 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7321 if(pCnt[WhiteKnight+side])
7322 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7327 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7329 VariantClass v = gameInfo.variant;
7331 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7332 if(v == VariantShatranj) return TRUE; // always winnable through baring
7333 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7334 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7336 if(v == VariantXiangqi) {
7337 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7339 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7340 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7341 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7342 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7343 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7344 if(stale) // we have at least one last-rank P plus perhaps C
7345 return majors // KPKX
7346 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7348 return pCnt[WhiteFerz+side] // KCAK
7349 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7350 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7351 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7353 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7354 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7356 if(nMine == 1) return FALSE; // bare King
7357 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
7358 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7359 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7360 // by now we have King + 1 piece (or multiple Bishops on the same color)
7361 if(pCnt[WhiteKnight+side])
7362 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7363 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7364 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7366 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7367 if(pCnt[WhiteAlfil+side])
7368 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7369 if(pCnt[WhiteWazir+side])
7370 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7377 Adjudicate(ChessProgramState *cps)
7378 { // [HGM] some adjudications useful with buggy engines
7379 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7380 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7381 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7382 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7383 int k, count = 0; static int bare = 1;
7384 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7385 Boolean canAdjudicate = !appData.icsActive;
7387 // most tests only when we understand the game, i.e. legality-checking on
7388 if( appData.testLegality )
7389 { /* [HGM] Some more adjudications for obstinate engines */
7390 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7391 static int moveCount = 6;
7393 char *reason = NULL;
7395 /* Count what is on board. */
7396 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7398 /* Some material-based adjudications that have to be made before stalemate test */
7399 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7400 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7401 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7402 if(canAdjudicate && appData.checkMates) {
7404 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7405 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7406 "Xboard adjudication: King destroyed", GE_XBOARD );
7411 /* Bare King in Shatranj (loses) or Losers (wins) */
7412 if( nrW == 1 || nrB == 1) {
7413 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7414 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7415 if(canAdjudicate && appData.checkMates) {
7417 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7418 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7419 "Xboard adjudication: Bare king", GE_XBOARD );
7423 if( gameInfo.variant == VariantShatranj && --bare < 0)
7425 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7426 if(canAdjudicate && appData.checkMates) {
7427 /* but only adjudicate if adjudication enabled */
7429 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7430 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7431 "Xboard adjudication: Bare king", GE_XBOARD );
7438 // don't wait for engine to announce game end if we can judge ourselves
7439 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7441 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7442 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7443 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7444 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7447 reason = "Xboard adjudication: 3rd check";
7448 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7458 reason = "Xboard adjudication: Stalemate";
7459 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7460 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7461 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7462 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7463 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7464 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7465 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7466 EP_CHECKMATE : EP_WINS);
7467 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7468 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7472 reason = "Xboard adjudication: Checkmate";
7473 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7477 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7479 result = GameIsDrawn; break;
7481 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7483 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7487 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7489 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7490 GameEnds( result, reason, GE_XBOARD );
7494 /* Next absolutely insufficient mating material. */
7495 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7496 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7497 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7499 /* always flag draws, for judging claims */
7500 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7502 if(canAdjudicate && appData.materialDraws) {
7503 /* but only adjudicate them if adjudication enabled */
7504 if(engineOpponent) {
7505 SendToProgram("force\n", engineOpponent); // suppress reply
7506 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7508 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7513 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7514 if(gameInfo.variant == VariantXiangqi ?
7515 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7517 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7518 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7519 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7520 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7522 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7523 { /* if the first 3 moves do not show a tactical win, declare draw */
7524 if(engineOpponent) {
7525 SendToProgram("force\n", engineOpponent); // suppress reply
7526 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7528 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7531 } else moveCount = 6;
7533 if (appData.debugMode) { int i;
7534 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7535 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7536 appData.drawRepeats);
7537 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7538 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7542 // Repetition draws and 50-move rule can be applied independently of legality testing
7544 /* Check for rep-draws */
7546 for(k = forwardMostMove-2;
7547 k>=backwardMostMove && k>=forwardMostMove-100 &&
7548 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7549 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7552 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7553 /* compare castling rights */
7554 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7555 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7556 rights++; /* King lost rights, while rook still had them */
7557 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7558 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7559 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7560 rights++; /* but at least one rook lost them */
7562 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7563 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7565 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7566 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7567 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7570 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7571 && appData.drawRepeats > 1) {
7572 /* adjudicate after user-specified nr of repeats */
7573 int result = GameIsDrawn;
7574 char *details = "XBoard adjudication: repetition draw";
7575 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7576 // [HGM] xiangqi: check for forbidden perpetuals
7577 int m, ourPerpetual = 1, hisPerpetual = 1;
7578 for(m=forwardMostMove; m>k; m-=2) {
7579 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7580 ourPerpetual = 0; // the current mover did not always check
7581 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7582 hisPerpetual = 0; // the opponent did not always check
7584 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7585 ourPerpetual, hisPerpetual);
7586 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7587 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7588 details = "Xboard adjudication: perpetual checking";
7590 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7591 break; // (or we would have caught him before). Abort repetition-checking loop.
7593 // Now check for perpetual chases
7594 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7595 hisPerpetual = PerpetualChase(k, forwardMostMove);
7596 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7597 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7598 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7599 details = "Xboard adjudication: perpetual chasing";
7601 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7602 break; // Abort repetition-checking loop.
7604 // if neither of us is checking or chasing all the time, or both are, it is draw
7606 if(engineOpponent) {
7607 SendToProgram("force\n", engineOpponent); // suppress reply
7608 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7610 GameEnds( result, details, GE_XBOARD );
7613 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7614 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7618 /* Now we test for 50-move draws. Determine ply count */
7619 count = forwardMostMove;
7620 /* look for last irreversble move */
7621 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7623 /* if we hit starting position, add initial plies */
7624 if( count == backwardMostMove )
7625 count -= initialRulePlies;
7626 count = forwardMostMove - count;
7627 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7628 // adjust reversible move counter for checks in Xiangqi
7629 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7630 if(i < backwardMostMove) i = backwardMostMove;
7631 while(i <= forwardMostMove) {
7632 lastCheck = inCheck; // check evasion does not count
7633 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7634 if(inCheck || lastCheck) count--; // check does not count
7639 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7640 /* this is used to judge if draw claims are legal */
7641 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7642 if(engineOpponent) {
7643 SendToProgram("force\n", engineOpponent); // suppress reply
7644 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7646 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7650 /* if draw offer is pending, treat it as a draw claim
7651 * when draw condition present, to allow engines a way to
7652 * claim draws before making their move to avoid a race
7653 * condition occurring after their move
7655 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7657 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7658 p = "Draw claim: 50-move rule";
7659 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7660 p = "Draw claim: 3-fold repetition";
7661 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7662 p = "Draw claim: insufficient mating material";
7663 if( p != NULL && canAdjudicate) {
7664 if(engineOpponent) {
7665 SendToProgram("force\n", engineOpponent); // suppress reply
7666 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7668 GameEnds( GameIsDrawn, p, GE_XBOARD );
7673 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7674 if(engineOpponent) {
7675 SendToProgram("force\n", engineOpponent); // suppress reply
7676 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7678 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7684 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7685 { // [HGM] book: this routine intercepts moves to simulate book replies
7686 char *bookHit = NULL;
7688 //first determine if the incoming move brings opponent into his book
7689 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7690 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7691 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7692 if(bookHit != NULL && !cps->bookSuspend) {
7693 // make sure opponent is not going to reply after receiving move to book position
7694 SendToProgram("force\n", cps);
7695 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7697 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7698 // now arrange restart after book miss
7700 // after a book hit we never send 'go', and the code after the call to this routine
7701 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7702 char buf[MSG_SIZ], *move = bookHit;
7704 int fromX, fromY, toX, toY;
7708 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7709 &fromX, &fromY, &toX, &toY, &promoChar)) {
7710 (void) CoordsToAlgebraic(boards[forwardMostMove],
7711 PosFlags(forwardMostMove),
7712 fromY, fromX, toY, toX, promoChar, move);
7714 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7718 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7719 SendToProgram(buf, cps);
7720 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7721 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7722 SendToProgram("go\n", cps);
7723 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7724 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7725 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7726 SendToProgram("go\n", cps);
7727 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7729 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7733 ChessProgramState *savedState;
7734 void DeferredBookMove(void)
7736 if(savedState->lastPing != savedState->lastPong)
7737 ScheduleDelayedEvent(DeferredBookMove, 10);
7739 HandleMachineMove(savedMessage, savedState);
7742 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7745 HandleMachineMove(message, cps)
7747 ChessProgramState *cps;
7749 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7750 char realname[MSG_SIZ];
7751 int fromX, fromY, toX, toY;
7758 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7759 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7760 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7761 DisplayError(_("Invalid pairing from pairing engine"), 0);
7764 pairingReceived = 1;
7766 return; // Skim the pairing messages here.
7771 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7773 * Kludge to ignore BEL characters
7775 while (*message == '\007') message++;
7778 * [HGM] engine debug message: ignore lines starting with '#' character
7780 if(cps->debug && *message == '#') return;
7783 * Look for book output
7785 if (cps == &first && bookRequested) {
7786 if (message[0] == '\t' || message[0] == ' ') {
7787 /* Part of the book output is here; append it */
7788 strcat(bookOutput, message);
7789 strcat(bookOutput, " \n");
7791 } else if (bookOutput[0] != NULLCHAR) {
7792 /* All of book output has arrived; display it */
7793 char *p = bookOutput;
7794 while (*p != NULLCHAR) {
7795 if (*p == '\t') *p = ' ';
7798 DisplayInformation(bookOutput);
7799 bookRequested = FALSE;
7800 /* Fall through to parse the current output */
7805 * Look for machine move.
7807 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7808 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7810 /* This method is only useful on engines that support ping */
7811 if (cps->lastPing != cps->lastPong) {
7812 if (gameMode == BeginningOfGame) {
7813 /* Extra move from before last new; ignore */
7814 if (appData.debugMode) {
7815 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7818 if (appData.debugMode) {
7819 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7820 cps->which, gameMode);
7823 SendToProgram("undo\n", cps);
7829 case BeginningOfGame:
7830 /* Extra move from before last reset; ignore */
7831 if (appData.debugMode) {
7832 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7839 /* Extra move after we tried to stop. The mode test is
7840 not a reliable way of detecting this problem, but it's
7841 the best we can do on engines that don't support ping.
7843 if (appData.debugMode) {
7844 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7845 cps->which, gameMode);
7847 SendToProgram("undo\n", cps);
7850 case MachinePlaysWhite:
7851 case IcsPlayingWhite:
7852 machineWhite = TRUE;
7855 case MachinePlaysBlack:
7856 case IcsPlayingBlack:
7857 machineWhite = FALSE;
7860 case TwoMachinesPlay:
7861 machineWhite = (cps->twoMachinesColor[0] == 'w');
7864 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7865 if (appData.debugMode) {
7867 "Ignoring move out of turn by %s, gameMode %d"
7868 ", forwardMost %d\n",
7869 cps->which, gameMode, forwardMostMove);
7874 if (appData.debugMode) { int f = forwardMostMove;
7875 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7876 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7877 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7879 if(cps->alphaRank) AlphaRank(machineMove, 4);
7880 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7881 &fromX, &fromY, &toX, &toY, &promoChar)) {
7882 /* Machine move could not be parsed; ignore it. */
7883 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7884 machineMove, _(cps->which));
7885 DisplayError(buf1, 0);
7886 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7887 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7888 if (gameMode == TwoMachinesPlay) {
7889 GameEnds(machineWhite ? BlackWins : WhiteWins,
7895 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7896 /* So we have to redo legality test with true e.p. status here, */
7897 /* to make sure an illegal e.p. capture does not slip through, */
7898 /* to cause a forfeit on a justified illegal-move complaint */
7899 /* of the opponent. */
7900 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7902 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7903 fromY, fromX, toY, toX, promoChar);
7904 if (appData.debugMode) {
7906 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7907 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7908 fprintf(debugFP, "castling rights\n");
7910 if(moveType == IllegalMove) {
7911 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7912 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7913 GameEnds(machineWhite ? BlackWins : WhiteWins,
7916 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7917 /* [HGM] Kludge to handle engines that send FRC-style castling
7918 when they shouldn't (like TSCP-Gothic) */
7920 case WhiteASideCastleFR:
7921 case BlackASideCastleFR:
7923 currentMoveString[2]++;
7925 case WhiteHSideCastleFR:
7926 case BlackHSideCastleFR:
7928 currentMoveString[2]--;
7930 default: ; // nothing to do, but suppresses warning of pedantic compilers
7933 hintRequested = FALSE;
7934 lastHint[0] = NULLCHAR;
7935 bookRequested = FALSE;
7936 /* Program may be pondering now */
7937 cps->maybeThinking = TRUE;
7938 if (cps->sendTime == 2) cps->sendTime = 1;
7939 if (cps->offeredDraw) cps->offeredDraw--;
7941 /* [AS] Save move info*/
7942 pvInfoList[ forwardMostMove ].score = programStats.score;
7943 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7944 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7946 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7948 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7949 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7952 while( count < adjudicateLossPlies ) {
7953 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7956 score = -score; /* Flip score for winning side */
7959 if( score > adjudicateLossThreshold ) {
7966 if( count >= adjudicateLossPlies ) {
7967 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7969 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7970 "Xboard adjudication",
7977 if(Adjudicate(cps)) {
7978 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7979 return; // [HGM] adjudicate: for all automatic game ends
7983 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7985 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7986 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7988 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7990 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7992 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7993 char buf[3*MSG_SIZ];
7995 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7996 programStats.score / 100.,
7998 programStats.time / 100.,
7999 (unsigned int)programStats.nodes,
8000 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8001 programStats.movelist);
8003 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8008 /* [AS] Clear stats for next move */
8009 ClearProgramStats();
8010 thinkOutput[0] = NULLCHAR;
8011 hiddenThinkOutputState = 0;
8014 if (gameMode == TwoMachinesPlay) {
8015 /* [HGM] relaying draw offers moved to after reception of move */
8016 /* and interpreting offer as claim if it brings draw condition */
8017 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8018 SendToProgram("draw\n", cps->other);
8020 if (cps->other->sendTime) {
8021 SendTimeRemaining(cps->other,
8022 cps->other->twoMachinesColor[0] == 'w');
8024 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8025 if (firstMove && !bookHit) {
8027 if (cps->other->useColors) {
8028 SendToProgram(cps->other->twoMachinesColor, cps->other);
8030 SendToProgram("go\n", cps->other);
8032 cps->other->maybeThinking = TRUE;
8035 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8037 if (!pausing && appData.ringBellAfterMoves) {
8042 * Reenable menu items that were disabled while
8043 * machine was thinking
8045 if (gameMode != TwoMachinesPlay)
8046 SetUserThinkingEnables();
8048 // [HGM] book: after book hit opponent has received move and is now in force mode
8049 // force the book reply into it, and then fake that it outputted this move by jumping
8050 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8052 static char bookMove[MSG_SIZ]; // a bit generous?
8054 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8055 strcat(bookMove, bookHit);
8058 programStats.nodes = programStats.depth = programStats.time =
8059 programStats.score = programStats.got_only_move = 0;
8060 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8062 if(cps->lastPing != cps->lastPong) {
8063 savedMessage = message; // args for deferred call
8065 ScheduleDelayedEvent(DeferredBookMove, 10);
8074 /* Set special modes for chess engines. Later something general
8075 * could be added here; for now there is just one kludge feature,
8076 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8077 * when "xboard" is given as an interactive command.
8079 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8080 cps->useSigint = FALSE;
8081 cps->useSigterm = FALSE;
8083 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8084 ParseFeatures(message+8, cps);
8085 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8088 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8089 int dummy, s=6; char buf[MSG_SIZ];
8090 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8091 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8092 ParseFEN(boards[0], &dummy, message+s);
8093 DrawPosition(TRUE, boards[0]);
8094 startedFromSetupPosition = TRUE;
8097 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8098 * want this, I was asked to put it in, and obliged.
8100 if (!strncmp(message, "setboard ", 9)) {
8101 Board initial_position;
8103 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8105 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8106 DisplayError(_("Bad FEN received from engine"), 0);
8110 CopyBoard(boards[0], initial_position);
8111 initialRulePlies = FENrulePlies;
8112 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8113 else gameMode = MachinePlaysBlack;
8114 DrawPosition(FALSE, boards[currentMove]);
8120 * Look for communication commands
8122 if (!strncmp(message, "telluser ", 9)) {
8123 if(message[9] == '\\' && message[10] == '\\')
8124 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8126 DisplayNote(message + 9);
8129 if (!strncmp(message, "tellusererror ", 14)) {
8131 if(message[14] == '\\' && message[15] == '\\')
8132 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8134 DisplayError(message + 14, 0);
8137 if (!strncmp(message, "tellopponent ", 13)) {
8138 if (appData.icsActive) {
8140 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8144 DisplayNote(message + 13);
8148 if (!strncmp(message, "tellothers ", 11)) {
8149 if (appData.icsActive) {
8151 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8157 if (!strncmp(message, "tellall ", 8)) {
8158 if (appData.icsActive) {
8160 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8164 DisplayNote(message + 8);
8168 if (strncmp(message, "warning", 7) == 0) {
8169 /* Undocumented feature, use tellusererror in new code */
8170 DisplayError(message, 0);
8173 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8174 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8175 strcat(realname, " query");
8176 AskQuestion(realname, buf2, buf1, cps->pr);
8179 /* Commands from the engine directly to ICS. We don't allow these to be
8180 * sent until we are logged on. Crafty kibitzes have been known to
8181 * interfere with the login process.
8184 if (!strncmp(message, "tellics ", 8)) {
8185 SendToICS(message + 8);
8189 if (!strncmp(message, "tellicsnoalias ", 15)) {
8190 SendToICS(ics_prefix);
8191 SendToICS(message + 15);
8195 /* The following are for backward compatibility only */
8196 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8197 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8198 SendToICS(ics_prefix);
8204 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8208 * If the move is illegal, cancel it and redraw the board.
8209 * Also deal with other error cases. Matching is rather loose
8210 * here to accommodate engines written before the spec.
8212 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8213 strncmp(message, "Error", 5) == 0) {
8214 if (StrStr(message, "name") ||
8215 StrStr(message, "rating") || StrStr(message, "?") ||
8216 StrStr(message, "result") || StrStr(message, "board") ||
8217 StrStr(message, "bk") || StrStr(message, "computer") ||
8218 StrStr(message, "variant") || StrStr(message, "hint") ||
8219 StrStr(message, "random") || StrStr(message, "depth") ||
8220 StrStr(message, "accepted")) {
8223 if (StrStr(message, "protover")) {
8224 /* Program is responding to input, so it's apparently done
8225 initializing, and this error message indicates it is
8226 protocol version 1. So we don't need to wait any longer
8227 for it to initialize and send feature commands. */
8228 FeatureDone(cps, 1);
8229 cps->protocolVersion = 1;
8232 cps->maybeThinking = FALSE;
8234 if (StrStr(message, "draw")) {
8235 /* Program doesn't have "draw" command */
8236 cps->sendDrawOffers = 0;
8239 if (cps->sendTime != 1 &&
8240 (StrStr(message, "time") || StrStr(message, "otim"))) {
8241 /* Program apparently doesn't have "time" or "otim" command */
8245 if (StrStr(message, "analyze")) {
8246 cps->analysisSupport = FALSE;
8247 cps->analyzing = FALSE;
8249 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8250 DisplayError(buf2, 0);
8253 if (StrStr(message, "(no matching move)st")) {
8254 /* Special kludge for GNU Chess 4 only */
8255 cps->stKludge = TRUE;
8256 SendTimeControl(cps, movesPerSession, timeControl,
8257 timeIncrement, appData.searchDepth,
8261 if (StrStr(message, "(no matching move)sd")) {
8262 /* Special kludge for GNU Chess 4 only */
8263 cps->sdKludge = TRUE;
8264 SendTimeControl(cps, movesPerSession, timeControl,
8265 timeIncrement, appData.searchDepth,
8269 if (!StrStr(message, "llegal")) {
8272 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8273 gameMode == IcsIdle) return;
8274 if (forwardMostMove <= backwardMostMove) return;
8275 if (pausing) PauseEvent();
8276 if(appData.forceIllegal) {
8277 // [HGM] illegal: machine refused move; force position after move into it
8278 SendToProgram("force\n", cps);
8279 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8280 // we have a real problem now, as SendBoard will use the a2a3 kludge
8281 // when black is to move, while there might be nothing on a2 or black
8282 // might already have the move. So send the board as if white has the move.
8283 // But first we must change the stm of the engine, as it refused the last move
8284 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8285 if(WhiteOnMove(forwardMostMove)) {
8286 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8287 SendBoard(cps, forwardMostMove); // kludgeless board
8289 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8290 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8291 SendBoard(cps, forwardMostMove+1); // kludgeless board
8293 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8294 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8295 gameMode == TwoMachinesPlay)
8296 SendToProgram("go\n", cps);
8299 if (gameMode == PlayFromGameFile) {
8300 /* Stop reading this game file */
8301 gameMode = EditGame;
8304 /* [HGM] illegal-move claim should forfeit game when Xboard */
8305 /* only passes fully legal moves */
8306 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8307 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8308 "False illegal-move claim", GE_XBOARD );
8309 return; // do not take back move we tested as valid
8311 currentMove = forwardMostMove-1;
8312 DisplayMove(currentMove-1); /* before DisplayMoveError */
8313 SwitchClocks(forwardMostMove-1); // [HGM] race
8314 DisplayBothClocks();
8315 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8316 parseList[currentMove], _(cps->which));
8317 DisplayMoveError(buf1);
8318 DrawPosition(FALSE, boards[currentMove]);
8321 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8322 /* Program has a broken "time" command that
8323 outputs a string not ending in newline.
8329 * If chess program startup fails, exit with an error message.
8330 * Attempts to recover here are futile.
8332 if ((StrStr(message, "unknown host") != NULL)
8333 || (StrStr(message, "No remote directory") != NULL)
8334 || (StrStr(message, "not found") != NULL)
8335 || (StrStr(message, "No such file") != NULL)
8336 || (StrStr(message, "can't alloc") != NULL)
8337 || (StrStr(message, "Permission denied") != NULL)) {
8339 cps->maybeThinking = FALSE;
8340 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8341 _(cps->which), cps->program, cps->host, message);
8342 RemoveInputSource(cps->isr);
8343 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8344 if(cps == &first) appData.noChessProgram = TRUE;
8345 DisplayError(buf1, 0);
8351 * Look for hint output
8353 if (sscanf(message, "Hint: %s", buf1) == 1) {
8354 if (cps == &first && hintRequested) {
8355 hintRequested = FALSE;
8356 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8357 &fromX, &fromY, &toX, &toY, &promoChar)) {
8358 (void) CoordsToAlgebraic(boards[forwardMostMove],
8359 PosFlags(forwardMostMove),
8360 fromY, fromX, toY, toX, promoChar, buf1);
8361 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8362 DisplayInformation(buf2);
8364 /* Hint move could not be parsed!? */
8365 snprintf(buf2, sizeof(buf2),
8366 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8367 buf1, _(cps->which));
8368 DisplayError(buf2, 0);
8371 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8377 * Ignore other messages if game is not in progress
8379 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8380 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8383 * look for win, lose, draw, or draw offer
8385 if (strncmp(message, "1-0", 3) == 0) {
8386 char *p, *q, *r = "";
8387 p = strchr(message, '{');
8395 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8397 } else if (strncmp(message, "0-1", 3) == 0) {
8398 char *p, *q, *r = "";
8399 p = strchr(message, '{');
8407 /* Kludge for Arasan 4.1 bug */
8408 if (strcmp(r, "Black resigns") == 0) {
8409 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8412 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8414 } else if (strncmp(message, "1/2", 3) == 0) {
8415 char *p, *q, *r = "";
8416 p = strchr(message, '{');
8425 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8428 } else if (strncmp(message, "White resign", 12) == 0) {
8429 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8431 } else if (strncmp(message, "Black resign", 12) == 0) {
8432 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8434 } else if (strncmp(message, "White matches", 13) == 0 ||
8435 strncmp(message, "Black matches", 13) == 0 ) {
8436 /* [HGM] ignore GNUShogi noises */
8438 } else if (strncmp(message, "White", 5) == 0 &&
8439 message[5] != '(' &&
8440 StrStr(message, "Black") == NULL) {
8441 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8443 } else if (strncmp(message, "Black", 5) == 0 &&
8444 message[5] != '(') {
8445 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8447 } else if (strcmp(message, "resign") == 0 ||
8448 strcmp(message, "computer resigns") == 0) {
8450 case MachinePlaysBlack:
8451 case IcsPlayingBlack:
8452 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8454 case MachinePlaysWhite:
8455 case IcsPlayingWhite:
8456 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8458 case TwoMachinesPlay:
8459 if (cps->twoMachinesColor[0] == 'w')
8460 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8462 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8469 } else if (strncmp(message, "opponent mates", 14) == 0) {
8471 case MachinePlaysBlack:
8472 case IcsPlayingBlack:
8473 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8475 case MachinePlaysWhite:
8476 case IcsPlayingWhite:
8477 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8479 case TwoMachinesPlay:
8480 if (cps->twoMachinesColor[0] == 'w')
8481 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8483 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8490 } else if (strncmp(message, "computer mates", 14) == 0) {
8492 case MachinePlaysBlack:
8493 case IcsPlayingBlack:
8494 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8496 case MachinePlaysWhite:
8497 case IcsPlayingWhite:
8498 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8500 case TwoMachinesPlay:
8501 if (cps->twoMachinesColor[0] == 'w')
8502 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8504 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8511 } else if (strncmp(message, "checkmate", 9) == 0) {
8512 if (WhiteOnMove(forwardMostMove)) {
8513 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8515 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8518 } else if (strstr(message, "Draw") != NULL ||
8519 strstr(message, "game is a draw") != NULL) {
8520 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8522 } else if (strstr(message, "offer") != NULL &&
8523 strstr(message, "draw") != NULL) {
8525 if (appData.zippyPlay && first.initDone) {
8526 /* Relay offer to ICS */
8527 SendToICS(ics_prefix);
8528 SendToICS("draw\n");
8531 cps->offeredDraw = 2; /* valid until this engine moves twice */
8532 if (gameMode == TwoMachinesPlay) {
8533 if (cps->other->offeredDraw) {
8534 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8535 /* [HGM] in two-machine mode we delay relaying draw offer */
8536 /* until after we also have move, to see if it is really claim */
8538 } else if (gameMode == MachinePlaysWhite ||
8539 gameMode == MachinePlaysBlack) {
8540 if (userOfferedDraw) {
8541 DisplayInformation(_("Machine accepts your draw offer"));
8542 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8544 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8551 * Look for thinking output
8553 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8554 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8556 int plylev, mvleft, mvtot, curscore, time;
8557 char mvname[MOVE_LEN];
8561 int prefixHint = FALSE;
8562 mvname[0] = NULLCHAR;
8565 case MachinePlaysBlack:
8566 case IcsPlayingBlack:
8567 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8569 case MachinePlaysWhite:
8570 case IcsPlayingWhite:
8571 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8576 case IcsObserving: /* [DM] icsEngineAnalyze */
8577 if (!appData.icsEngineAnalyze) ignore = TRUE;
8579 case TwoMachinesPlay:
8580 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8590 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8592 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8593 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8595 if (plyext != ' ' && plyext != '\t') {
8599 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8600 if( cps->scoreIsAbsolute &&
8601 ( gameMode == MachinePlaysBlack ||
8602 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8603 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8604 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8605 !WhiteOnMove(currentMove)
8608 curscore = -curscore;
8611 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8613 tempStats.depth = plylev;
8614 tempStats.nodes = nodes;
8615 tempStats.time = time;
8616 tempStats.score = curscore;
8617 tempStats.got_only_move = 0;
8619 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8622 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8623 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8624 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8625 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8626 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8627 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8628 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8629 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8632 /* Buffer overflow protection */
8633 if (pv[0] != NULLCHAR) {
8634 if (strlen(pv) >= sizeof(tempStats.movelist)
8635 && appData.debugMode) {
8637 "PV is too long; using the first %u bytes.\n",
8638 (unsigned) sizeof(tempStats.movelist) - 1);
8641 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8643 sprintf(tempStats.movelist, " no PV\n");
8646 if (tempStats.seen_stat) {
8647 tempStats.ok_to_send = 1;
8650 if (strchr(tempStats.movelist, '(') != NULL) {
8651 tempStats.line_is_book = 1;
8652 tempStats.nr_moves = 0;
8653 tempStats.moves_left = 0;
8655 tempStats.line_is_book = 0;
8658 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8659 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8661 SendProgramStatsToFrontend( cps, &tempStats );
8664 [AS] Protect the thinkOutput buffer from overflow... this
8665 is only useful if buf1 hasn't overflowed first!
8667 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8669 (gameMode == TwoMachinesPlay ?
8670 ToUpper(cps->twoMachinesColor[0]) : ' '),
8671 ((double) curscore) / 100.0,
8672 prefixHint ? lastHint : "",
8673 prefixHint ? " " : "" );
8675 if( buf1[0] != NULLCHAR ) {
8676 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8678 if( strlen(pv) > max_len ) {
8679 if( appData.debugMode) {
8680 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8682 pv[max_len+1] = '\0';
8685 strcat( thinkOutput, pv);
8688 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8689 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8690 DisplayMove(currentMove - 1);
8694 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8695 /* crafty (9.25+) says "(only move) <move>"
8696 * if there is only 1 legal move
8698 sscanf(p, "(only move) %s", buf1);
8699 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8700 sprintf(programStats.movelist, "%s (only move)", buf1);
8701 programStats.depth = 1;
8702 programStats.nr_moves = 1;
8703 programStats.moves_left = 1;
8704 programStats.nodes = 1;
8705 programStats.time = 1;
8706 programStats.got_only_move = 1;
8708 /* Not really, but we also use this member to
8709 mean "line isn't going to change" (Crafty
8710 isn't searching, so stats won't change) */
8711 programStats.line_is_book = 1;
8713 SendProgramStatsToFrontend( cps, &programStats );
8715 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8716 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8717 DisplayMove(currentMove - 1);
8720 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8721 &time, &nodes, &plylev, &mvleft,
8722 &mvtot, mvname) >= 5) {
8723 /* The stat01: line is from Crafty (9.29+) in response
8724 to the "." command */
8725 programStats.seen_stat = 1;
8726 cps->maybeThinking = TRUE;
8728 if (programStats.got_only_move || !appData.periodicUpdates)
8731 programStats.depth = plylev;
8732 programStats.time = time;
8733 programStats.nodes = nodes;
8734 programStats.moves_left = mvleft;
8735 programStats.nr_moves = mvtot;
8736 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8737 programStats.ok_to_send = 1;
8738 programStats.movelist[0] = '\0';
8740 SendProgramStatsToFrontend( cps, &programStats );
8744 } else if (strncmp(message,"++",2) == 0) {
8745 /* Crafty 9.29+ outputs this */
8746 programStats.got_fail = 2;
8749 } else if (strncmp(message,"--",2) == 0) {
8750 /* Crafty 9.29+ outputs this */
8751 programStats.got_fail = 1;
8754 } else if (thinkOutput[0] != NULLCHAR &&
8755 strncmp(message, " ", 4) == 0) {
8756 unsigned message_len;
8759 while (*p && *p == ' ') p++;
8761 message_len = strlen( p );
8763 /* [AS] Avoid buffer overflow */
8764 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8765 strcat(thinkOutput, " ");
8766 strcat(thinkOutput, p);
8769 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8770 strcat(programStats.movelist, " ");
8771 strcat(programStats.movelist, p);
8774 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8775 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8776 DisplayMove(currentMove - 1);
8784 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8785 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8787 ChessProgramStats cpstats;
8789 if (plyext != ' ' && plyext != '\t') {
8793 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8794 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8795 curscore = -curscore;
8798 cpstats.depth = plylev;
8799 cpstats.nodes = nodes;
8800 cpstats.time = time;
8801 cpstats.score = curscore;
8802 cpstats.got_only_move = 0;
8803 cpstats.movelist[0] = '\0';
8805 if (buf1[0] != NULLCHAR) {
8806 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8809 cpstats.ok_to_send = 0;
8810 cpstats.line_is_book = 0;
8811 cpstats.nr_moves = 0;
8812 cpstats.moves_left = 0;
8814 SendProgramStatsToFrontend( cps, &cpstats );
8821 /* Parse a game score from the character string "game", and
8822 record it as the history of the current game. The game
8823 score is NOT assumed to start from the standard position.
8824 The display is not updated in any way.
8827 ParseGameHistory(game)
8831 int fromX, fromY, toX, toY, boardIndex;
8836 if (appData.debugMode)
8837 fprintf(debugFP, "Parsing game history: %s\n", game);
8839 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8840 gameInfo.site = StrSave(appData.icsHost);
8841 gameInfo.date = PGNDate();
8842 gameInfo.round = StrSave("-");
8844 /* Parse out names of players */
8845 while (*game == ' ') game++;
8847 while (*game != ' ') *p++ = *game++;
8849 gameInfo.white = StrSave(buf);
8850 while (*game == ' ') game++;
8852 while (*game != ' ' && *game != '\n') *p++ = *game++;
8854 gameInfo.black = StrSave(buf);
8857 boardIndex = blackPlaysFirst ? 1 : 0;
8860 yyboardindex = boardIndex;
8861 moveType = (ChessMove) Myylex();
8863 case IllegalMove: /* maybe suicide chess, etc. */
8864 if (appData.debugMode) {
8865 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8866 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8867 setbuf(debugFP, NULL);
8869 case WhitePromotion:
8870 case BlackPromotion:
8871 case WhiteNonPromotion:
8872 case BlackNonPromotion:
8874 case WhiteCapturesEnPassant:
8875 case BlackCapturesEnPassant:
8876 case WhiteKingSideCastle:
8877 case WhiteQueenSideCastle:
8878 case BlackKingSideCastle:
8879 case BlackQueenSideCastle:
8880 case WhiteKingSideCastleWild:
8881 case WhiteQueenSideCastleWild:
8882 case BlackKingSideCastleWild:
8883 case BlackQueenSideCastleWild:
8885 case WhiteHSideCastleFR:
8886 case WhiteASideCastleFR:
8887 case BlackHSideCastleFR:
8888 case BlackASideCastleFR:
8890 fromX = currentMoveString[0] - AAA;
8891 fromY = currentMoveString[1] - ONE;
8892 toX = currentMoveString[2] - AAA;
8893 toY = currentMoveString[3] - ONE;
8894 promoChar = currentMoveString[4];
8898 fromX = moveType == WhiteDrop ?
8899 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8900 (int) CharToPiece(ToLower(currentMoveString[0]));
8902 toX = currentMoveString[2] - AAA;
8903 toY = currentMoveString[3] - ONE;
8904 promoChar = NULLCHAR;
8908 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8909 if (appData.debugMode) {
8910 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8911 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8912 setbuf(debugFP, NULL);
8914 DisplayError(buf, 0);
8916 case ImpossibleMove:
8918 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8919 if (appData.debugMode) {
8920 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8921 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8922 setbuf(debugFP, NULL);
8924 DisplayError(buf, 0);
8927 if (boardIndex < backwardMostMove) {
8928 /* Oops, gap. How did that happen? */
8929 DisplayError(_("Gap in move list"), 0);
8932 backwardMostMove = blackPlaysFirst ? 1 : 0;
8933 if (boardIndex > forwardMostMove) {
8934 forwardMostMove = boardIndex;
8938 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8939 strcat(parseList[boardIndex-1], " ");
8940 strcat(parseList[boardIndex-1], yy_text);
8952 case GameUnfinished:
8953 if (gameMode == IcsExamining) {
8954 if (boardIndex < backwardMostMove) {
8955 /* Oops, gap. How did that happen? */
8958 backwardMostMove = blackPlaysFirst ? 1 : 0;
8961 gameInfo.result = moveType;
8962 p = strchr(yy_text, '{');
8963 if (p == NULL) p = strchr(yy_text, '(');
8966 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8968 q = strchr(p, *p == '{' ? '}' : ')');
8969 if (q != NULL) *q = NULLCHAR;
8972 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8973 gameInfo.resultDetails = StrSave(p);
8976 if (boardIndex >= forwardMostMove &&
8977 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8978 backwardMostMove = blackPlaysFirst ? 1 : 0;
8981 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8982 fromY, fromX, toY, toX, promoChar,
8983 parseList[boardIndex]);
8984 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8985 /* currentMoveString is set as a side-effect of yylex */
8986 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8987 strcat(moveList[boardIndex], "\n");
8989 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8990 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8996 if(gameInfo.variant != VariantShogi)
8997 strcat(parseList[boardIndex - 1], "+");
9001 strcat(parseList[boardIndex - 1], "#");
9008 /* Apply a move to the given board */
9010 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9011 int fromX, fromY, toX, toY;
9015 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9016 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9018 /* [HGM] compute & store e.p. status and castling rights for new position */
9019 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9021 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9022 oldEP = (signed char)board[EP_STATUS];
9023 board[EP_STATUS] = EP_NONE;
9025 if (fromY == DROP_RANK) {
9027 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9028 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9031 piece = board[toY][toX] = (ChessSquare) fromX;
9035 if( board[toY][toX] != EmptySquare )
9036 board[EP_STATUS] = EP_CAPTURE;
9038 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9039 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9040 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9042 if( board[fromY][fromX] == WhitePawn ) {
9043 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9044 board[EP_STATUS] = EP_PAWN_MOVE;
9046 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9047 gameInfo.variant != VariantBerolina || toX < fromX)
9048 board[EP_STATUS] = toX | berolina;
9049 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9050 gameInfo.variant != VariantBerolina || toX > fromX)
9051 board[EP_STATUS] = toX;
9054 if( board[fromY][fromX] == BlackPawn ) {
9055 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9056 board[EP_STATUS] = EP_PAWN_MOVE;
9057 if( toY-fromY== -2) {
9058 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9059 gameInfo.variant != VariantBerolina || toX < fromX)
9060 board[EP_STATUS] = toX | berolina;
9061 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9062 gameInfo.variant != VariantBerolina || toX > fromX)
9063 board[EP_STATUS] = toX;
9067 for(i=0; i<nrCastlingRights; i++) {
9068 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9069 board[CASTLING][i] == toX && castlingRank[i] == toY
9070 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9073 if (fromX == toX && fromY == toY) return;
9075 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9076 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9077 if(gameInfo.variant == VariantKnightmate)
9078 king += (int) WhiteUnicorn - (int) WhiteKing;
9080 /* Code added by Tord: */
9081 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9082 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9083 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9084 board[fromY][fromX] = EmptySquare;
9085 board[toY][toX] = EmptySquare;
9086 if((toX > fromX) != (piece == WhiteRook)) {
9087 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9089 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9091 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9092 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9093 board[fromY][fromX] = EmptySquare;
9094 board[toY][toX] = EmptySquare;
9095 if((toX > fromX) != (piece == BlackRook)) {
9096 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9098 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9100 /* End of code added by Tord */
9102 } else if (board[fromY][fromX] == king
9103 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9104 && toY == fromY && toX > fromX+1) {
9105 board[fromY][fromX] = EmptySquare;
9106 board[toY][toX] = king;
9107 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9108 board[fromY][BOARD_RGHT-1] = EmptySquare;
9109 } else if (board[fromY][fromX] == king
9110 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9111 && toY == fromY && toX < fromX-1) {
9112 board[fromY][fromX] = EmptySquare;
9113 board[toY][toX] = king;
9114 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9115 board[fromY][BOARD_LEFT] = EmptySquare;
9116 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9117 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9118 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9120 /* white pawn promotion */
9121 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9122 if(gameInfo.variant==VariantBughouse ||
9123 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9124 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9125 board[fromY][fromX] = EmptySquare;
9126 } else if ((fromY >= BOARD_HEIGHT>>1)
9128 && gameInfo.variant != VariantXiangqi
9129 && gameInfo.variant != VariantBerolina
9130 && (board[fromY][fromX] == WhitePawn)
9131 && (board[toY][toX] == EmptySquare)) {
9132 board[fromY][fromX] = EmptySquare;
9133 board[toY][toX] = WhitePawn;
9134 captured = board[toY - 1][toX];
9135 board[toY - 1][toX] = EmptySquare;
9136 } else if ((fromY == BOARD_HEIGHT-4)
9138 && gameInfo.variant == VariantBerolina
9139 && (board[fromY][fromX] == WhitePawn)
9140 && (board[toY][toX] == EmptySquare)) {
9141 board[fromY][fromX] = EmptySquare;
9142 board[toY][toX] = WhitePawn;
9143 if(oldEP & EP_BEROLIN_A) {
9144 captured = board[fromY][fromX-1];
9145 board[fromY][fromX-1] = EmptySquare;
9146 }else{ captured = board[fromY][fromX+1];
9147 board[fromY][fromX+1] = EmptySquare;
9149 } else if (board[fromY][fromX] == king
9150 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9151 && toY == fromY && toX > fromX+1) {
9152 board[fromY][fromX] = EmptySquare;
9153 board[toY][toX] = king;
9154 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9155 board[fromY][BOARD_RGHT-1] = EmptySquare;
9156 } else if (board[fromY][fromX] == king
9157 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9158 && toY == fromY && toX < fromX-1) {
9159 board[fromY][fromX] = EmptySquare;
9160 board[toY][toX] = king;
9161 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9162 board[fromY][BOARD_LEFT] = EmptySquare;
9163 } else if (fromY == 7 && fromX == 3
9164 && board[fromY][fromX] == BlackKing
9165 && toY == 7 && toX == 5) {
9166 board[fromY][fromX] = EmptySquare;
9167 board[toY][toX] = BlackKing;
9168 board[fromY][7] = EmptySquare;
9169 board[toY][4] = BlackRook;
9170 } else if (fromY == 7 && fromX == 3
9171 && board[fromY][fromX] == BlackKing
9172 && toY == 7 && toX == 1) {
9173 board[fromY][fromX] = EmptySquare;
9174 board[toY][toX] = BlackKing;
9175 board[fromY][0] = EmptySquare;
9176 board[toY][2] = BlackRook;
9177 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9178 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9179 && toY < promoRank && promoChar
9181 /* black pawn promotion */
9182 board[toY][toX] = CharToPiece(ToLower(promoChar));
9183 if(gameInfo.variant==VariantBughouse ||
9184 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9185 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9186 board[fromY][fromX] = EmptySquare;
9187 } else if ((fromY < BOARD_HEIGHT>>1)
9189 && gameInfo.variant != VariantXiangqi
9190 && gameInfo.variant != VariantBerolina
9191 && (board[fromY][fromX] == BlackPawn)
9192 && (board[toY][toX] == EmptySquare)) {
9193 board[fromY][fromX] = EmptySquare;
9194 board[toY][toX] = BlackPawn;
9195 captured = board[toY + 1][toX];
9196 board[toY + 1][toX] = EmptySquare;
9197 } else if ((fromY == 3)
9199 && gameInfo.variant == VariantBerolina
9200 && (board[fromY][fromX] == BlackPawn)
9201 && (board[toY][toX] == EmptySquare)) {
9202 board[fromY][fromX] = EmptySquare;
9203 board[toY][toX] = BlackPawn;
9204 if(oldEP & EP_BEROLIN_A) {
9205 captured = board[fromY][fromX-1];
9206 board[fromY][fromX-1] = EmptySquare;
9207 }else{ captured = board[fromY][fromX+1];
9208 board[fromY][fromX+1] = EmptySquare;
9211 board[toY][toX] = board[fromY][fromX];
9212 board[fromY][fromX] = EmptySquare;
9216 if (gameInfo.holdingsWidth != 0) {
9218 /* !!A lot more code needs to be written to support holdings */
9219 /* [HGM] OK, so I have written it. Holdings are stored in the */
9220 /* penultimate board files, so they are automaticlly stored */
9221 /* in the game history. */
9222 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9223 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9224 /* Delete from holdings, by decreasing count */
9225 /* and erasing image if necessary */
9226 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9227 if(p < (int) BlackPawn) { /* white drop */
9228 p -= (int)WhitePawn;
9229 p = PieceToNumber((ChessSquare)p);
9230 if(p >= gameInfo.holdingsSize) p = 0;
9231 if(--board[p][BOARD_WIDTH-2] <= 0)
9232 board[p][BOARD_WIDTH-1] = EmptySquare;
9233 if((int)board[p][BOARD_WIDTH-2] < 0)
9234 board[p][BOARD_WIDTH-2] = 0;
9235 } else { /* black drop */
9236 p -= (int)BlackPawn;
9237 p = PieceToNumber((ChessSquare)p);
9238 if(p >= gameInfo.holdingsSize) p = 0;
9239 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9240 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9241 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9242 board[BOARD_HEIGHT-1-p][1] = 0;
9245 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9246 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9247 /* [HGM] holdings: Add to holdings, if holdings exist */
9248 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9249 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9250 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9253 if (p >= (int) BlackPawn) {
9254 p -= (int)BlackPawn;
9255 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9256 /* in Shogi restore piece to its original first */
9257 captured = (ChessSquare) (DEMOTED captured);
9260 p = PieceToNumber((ChessSquare)p);
9261 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9262 board[p][BOARD_WIDTH-2]++;
9263 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9265 p -= (int)WhitePawn;
9266 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9267 captured = (ChessSquare) (DEMOTED captured);
9270 p = PieceToNumber((ChessSquare)p);
9271 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9272 board[BOARD_HEIGHT-1-p][1]++;
9273 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9276 } else if (gameInfo.variant == VariantAtomic) {
9277 if (captured != EmptySquare) {
9279 for (y = toY-1; y <= toY+1; y++) {
9280 for (x = toX-1; x <= toX+1; x++) {
9281 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9282 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9283 board[y][x] = EmptySquare;
9287 board[toY][toX] = EmptySquare;
9290 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9291 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9293 if(promoChar == '+') {
9294 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9295 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9296 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9297 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9299 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9300 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9301 // [HGM] superchess: take promotion piece out of holdings
9302 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9303 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9304 if(!--board[k][BOARD_WIDTH-2])
9305 board[k][BOARD_WIDTH-1] = EmptySquare;
9307 if(!--board[BOARD_HEIGHT-1-k][1])
9308 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9314 /* Updates forwardMostMove */
9316 MakeMove(fromX, fromY, toX, toY, promoChar)
9317 int fromX, fromY, toX, toY;
9320 // forwardMostMove++; // [HGM] bare: moved downstream
9322 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9323 int timeLeft; static int lastLoadFlag=0; int king, piece;
9324 piece = boards[forwardMostMove][fromY][fromX];
9325 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9326 if(gameInfo.variant == VariantKnightmate)
9327 king += (int) WhiteUnicorn - (int) WhiteKing;
9328 if(forwardMostMove == 0) {
9330 fprintf(serverMoves, "%s;", second.tidy);
9331 fprintf(serverMoves, "%s;", first.tidy);
9332 if(!blackPlaysFirst)
9333 fprintf(serverMoves, "%s;", second.tidy);
9334 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9335 lastLoadFlag = loadFlag;
9337 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9338 // print castling suffix
9339 if( toY == fromY && piece == king ) {
9341 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9343 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9346 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9347 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9348 boards[forwardMostMove][toY][toX] == EmptySquare
9349 && fromX != toX && fromY != toY)
9350 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9352 if(promoChar != NULLCHAR)
9353 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9355 fprintf(serverMoves, "/%d/%d",
9356 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9357 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9358 else timeLeft = blackTimeRemaining/1000;
9359 fprintf(serverMoves, "/%d", timeLeft);
9361 fflush(serverMoves);
9364 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9365 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9369 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9370 if (commentList[forwardMostMove+1] != NULL) {
9371 free(commentList[forwardMostMove+1]);
9372 commentList[forwardMostMove+1] = NULL;
9374 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9375 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9376 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9377 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9378 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9379 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9380 gameInfo.result = GameUnfinished;
9381 if (gameInfo.resultDetails != NULL) {
9382 free(gameInfo.resultDetails);
9383 gameInfo.resultDetails = NULL;
9385 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9386 moveList[forwardMostMove - 1]);
9387 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9388 PosFlags(forwardMostMove - 1),
9389 fromY, fromX, toY, toX, promoChar,
9390 parseList[forwardMostMove - 1]);
9391 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9397 if(gameInfo.variant != VariantShogi)
9398 strcat(parseList[forwardMostMove - 1], "+");
9402 strcat(parseList[forwardMostMove - 1], "#");
9405 if (appData.debugMode) {
9406 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9411 /* Updates currentMove if not pausing */
9413 ShowMove(fromX, fromY, toX, toY)
9415 int instant = (gameMode == PlayFromGameFile) ?
9416 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9417 if(appData.noGUI) return;
9418 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9420 if (forwardMostMove == currentMove + 1) {
9421 AnimateMove(boards[forwardMostMove - 1],
9422 fromX, fromY, toX, toY);
9424 if (appData.highlightLastMove) {
9425 SetHighlights(fromX, fromY, toX, toY);
9428 currentMove = forwardMostMove;
9431 if (instant) return;
9433 DisplayMove(currentMove - 1);
9434 DrawPosition(FALSE, boards[currentMove]);
9435 DisplayBothClocks();
9436 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9437 DisplayBook(currentMove);
9440 void SendEgtPath(ChessProgramState *cps)
9441 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9442 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9444 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9447 char c, *q = name+1, *r, *s;
9449 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9450 while(*p && *p != ',') *q++ = *p++;
9452 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9453 strcmp(name, ",nalimov:") == 0 ) {
9454 // take nalimov path from the menu-changeable option first, if it is defined
9455 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9456 SendToProgram(buf,cps); // send egtbpath command for nalimov
9458 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9459 (s = StrStr(appData.egtFormats, name)) != NULL) {
9460 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9461 s = r = StrStr(s, ":") + 1; // beginning of path info
9462 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9463 c = *r; *r = 0; // temporarily null-terminate path info
9464 *--q = 0; // strip of trailig ':' from name
9465 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9467 SendToProgram(buf,cps); // send egtbpath command for this format
9469 if(*p == ',') p++; // read away comma to position for next format name
9474 InitChessProgram(cps, setup)
9475 ChessProgramState *cps;
9476 int setup; /* [HGM] needed to setup FRC opening position */
9478 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9479 if (appData.noChessProgram) return;
9480 hintRequested = FALSE;
9481 bookRequested = FALSE;
9483 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9484 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9485 if(cps->memSize) { /* [HGM] memory */
9486 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9487 SendToProgram(buf, cps);
9489 SendEgtPath(cps); /* [HGM] EGT */
9490 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9491 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9492 SendToProgram(buf, cps);
9495 SendToProgram(cps->initString, cps);
9496 if (gameInfo.variant != VariantNormal &&
9497 gameInfo.variant != VariantLoadable
9498 /* [HGM] also send variant if board size non-standard */
9499 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9501 char *v = VariantName(gameInfo.variant);
9502 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9503 /* [HGM] in protocol 1 we have to assume all variants valid */
9504 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9505 DisplayFatalError(buf, 0, 1);
9509 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9510 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9511 if( gameInfo.variant == VariantXiangqi )
9512 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9513 if( gameInfo.variant == VariantShogi )
9514 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9515 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9516 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9517 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9518 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9519 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9520 if( gameInfo.variant == VariantCourier )
9521 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9522 if( gameInfo.variant == VariantSuper )
9523 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9524 if( gameInfo.variant == VariantGreat )
9525 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9526 if( gameInfo.variant == VariantSChess )
9527 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9528 if( gameInfo.variant == VariantGrand )
9529 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9532 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9533 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9534 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9535 if(StrStr(cps->variants, b) == NULL) {
9536 // specific sized variant not known, check if general sizing allowed
9537 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9538 if(StrStr(cps->variants, "boardsize") == NULL) {
9539 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9540 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9541 DisplayFatalError(buf, 0, 1);
9544 /* [HGM] here we really should compare with the maximum supported board size */
9547 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9548 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9549 SendToProgram(buf, cps);
9551 currentlyInitializedVariant = gameInfo.variant;
9553 /* [HGM] send opening position in FRC to first engine */
9555 SendToProgram("force\n", cps);
9557 /* engine is now in force mode! Set flag to wake it up after first move. */
9558 setboardSpoiledMachineBlack = 1;
9562 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9563 SendToProgram(buf, cps);
9565 cps->maybeThinking = FALSE;
9566 cps->offeredDraw = 0;
9567 if (!appData.icsActive) {
9568 SendTimeControl(cps, movesPerSession, timeControl,
9569 timeIncrement, appData.searchDepth,
9572 if (appData.showThinking
9573 // [HGM] thinking: four options require thinking output to be sent
9574 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9576 SendToProgram("post\n", cps);
9578 SendToProgram("hard\n", cps);
9579 if (!appData.ponderNextMove) {
9580 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9581 it without being sure what state we are in first. "hard"
9582 is not a toggle, so that one is OK.
9584 SendToProgram("easy\n", cps);
9587 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9588 SendToProgram(buf, cps);
9590 cps->initDone = TRUE;
9591 ClearEngineOutputPane(cps == &second);
9596 StartChessProgram(cps)
9597 ChessProgramState *cps;
9602 if (appData.noChessProgram) return;
9603 cps->initDone = FALSE;
9605 if (strcmp(cps->host, "localhost") == 0) {
9606 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9607 } else if (*appData.remoteShell == NULLCHAR) {
9608 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9610 if (*appData.remoteUser == NULLCHAR) {
9611 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9614 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9615 cps->host, appData.remoteUser, cps->program);
9617 err = StartChildProcess(buf, "", &cps->pr);
9621 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9622 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9623 if(cps != &first) return;
9624 appData.noChessProgram = TRUE;
9627 // DisplayFatalError(buf, err, 1);
9628 // cps->pr = NoProc;
9633 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9634 if (cps->protocolVersion > 1) {
9635 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9636 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9637 cps->comboCnt = 0; // and values of combo boxes
9638 SendToProgram(buf, cps);
9640 SendToProgram("xboard\n", cps);
9645 TwoMachinesEventIfReady P((void))
9647 static int curMess = 0;
9648 if (first.lastPing != first.lastPong) {
9649 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9650 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9653 if (second.lastPing != second.lastPong) {
9654 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9655 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9658 DisplayMessage("", ""); curMess = 0;
9664 MakeName(char *template)
9668 static char buf[MSG_SIZ];
9672 clock = time((time_t *)NULL);
9673 tm = localtime(&clock);
9675 while(*p++ = *template++) if(p[-1] == '%') {
9676 switch(*template++) {
9677 case 0: *p = 0; return buf;
9678 case 'Y': i = tm->tm_year+1900; break;
9679 case 'y': i = tm->tm_year-100; break;
9680 case 'M': i = tm->tm_mon+1; break;
9681 case 'd': i = tm->tm_mday; break;
9682 case 'h': i = tm->tm_hour; break;
9683 case 'm': i = tm->tm_min; break;
9684 case 's': i = tm->tm_sec; break;
9687 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9693 CountPlayers(char *p)
9696 while(p = strchr(p, '\n')) p++, n++; // count participants
9701 WriteTourneyFile(char *results)
9702 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9703 FILE *f = fopen(appData.tourneyFile, "w");
9704 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9705 // create a file with tournament description
9706 fprintf(f, "-participants {%s}\n", appData.participants);
9707 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9708 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9709 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9710 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9711 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9712 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9713 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9714 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9715 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9716 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9717 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9719 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9721 fprintf(f, "-mps %d\n", appData.movesPerSession);
9722 fprintf(f, "-tc %s\n", appData.timeControl);
9723 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9725 fprintf(f, "-results \"%s\"\n", results);
9731 CreateTourney(char *name)
9734 if(name[0] == NULLCHAR) {
9735 if(appData.participants[0])
9736 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9739 f = fopen(name, "r");
9740 if(f) { // file exists
9741 ASSIGN(appData.tourneyFile, name);
9742 ParseArgsFromFile(f); // parse it
9744 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9745 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9746 DisplayError(_("Not enough participants"), 0);
9749 ASSIGN(appData.tourneyFile, name);
9750 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9751 if((f = WriteTourneyFile("")) == NULL) return 0;
9754 appData.noChessProgram = FALSE;
9755 appData.clockMode = TRUE;
9760 #define MAXENGINES 1000
9761 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9763 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9765 char buf[MSG_SIZ], *p, *q;
9769 while(*p && *p != '\n') *q++ = *p++;
9771 if(engineList[i]) free(engineList[i]);
9772 engineList[i] = strdup(buf);
9774 TidyProgramName(engineList[i], "localhost", buf);
9775 if(engineMnemonic[i]) free(engineMnemonic[i]);
9776 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9778 sscanf(q + 8, "%s", buf + strlen(buf));
9781 engineMnemonic[i] = strdup(buf);
9783 if(i > MAXENGINES - 2) break;
9785 engineList[i] = NULL;
9788 // following implemented as macro to avoid type limitations
9789 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9791 void SwapEngines(int n)
9792 { // swap settings for first engine and other engine (so far only some selected options)
9797 SWAP(chessProgram, p)
9799 SWAP(hasOwnBookUCI, h)
9800 SWAP(protocolVersion, h)
9802 SWAP(scoreIsAbsolute, h)
9810 SetPlayer(int player)
9811 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9813 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9814 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9815 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9816 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9818 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9819 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9820 ParseArgsFromString(buf);
9826 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9827 { // determine players from game number
9828 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9830 if(appData.tourneyType == 0) {
9831 roundsPerCycle = (nPlayers - 1) | 1;
9832 pairingsPerRound = nPlayers / 2;
9833 } else if(appData.tourneyType > 0) {
9834 roundsPerCycle = nPlayers - appData.tourneyType;
9835 pairingsPerRound = appData.tourneyType;
9837 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9838 gamesPerCycle = gamesPerRound * roundsPerCycle;
9839 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9840 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9841 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9842 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9843 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9844 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9846 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9847 if(appData.roundSync) *syncInterval = gamesPerRound;
9849 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9851 if(appData.tourneyType == 0) {
9852 if(curPairing == (nPlayers-1)/2 ) {
9853 *whitePlayer = curRound;
9854 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9856 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9857 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9858 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9859 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9861 } else if(appData.tourneyType > 0) {
9862 *whitePlayer = curPairing;
9863 *blackPlayer = curRound + appData.tourneyType;
9866 // take care of white/black alternation per round.
9867 // For cycles and games this is already taken care of by default, derived from matchGame!
9868 return curRound & 1;
9872 NextTourneyGame(int nr, int *swapColors)
9873 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9875 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9877 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9878 tf = fopen(appData.tourneyFile, "r");
9879 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9880 ParseArgsFromFile(tf); fclose(tf);
9881 InitTimeControls(); // TC might be altered from tourney file
9883 nPlayers = CountPlayers(appData.participants); // count participants
9884 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
9885 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9888 p = q = appData.results;
9889 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9890 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9891 DisplayMessage(_("Waiting for other game(s)"),"");
9892 waitingForGame = TRUE;
9893 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9896 waitingForGame = FALSE;
9899 if(appData.tourneyType < 0) {
9900 if(nr>=0 && !pairingReceived) {
9902 if(pairing.pr == NoProc) {
9903 if(!appData.pairingEngine[0]) {
9904 DisplayFatalError(_("No pairing engine specified"), 0, 1);
9907 StartChessProgram(&pairing); // starts the pairing engine
9909 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
9910 SendToProgram(buf, &pairing);
9911 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
9912 SendToProgram(buf, &pairing);
9913 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
9915 pairingReceived = 0; // ... so we continue here
9917 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
9918 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
9919 matchGame = 1; roundNr = nr / syncInterval + 1;
9922 if(first.pr != NoProc) return 1; // engines already loaded
9924 // redefine engines, engine dir, etc.
9925 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9926 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
9928 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
9929 SwapEngines(1); // and make that valid for second engine by swapping
9930 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
9931 InitEngine(&second, 1);
9932 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
9933 UpdateLogos(FALSE); // leave display to ModeHiglight()
9939 { // performs game initialization that does not invoke engines, and then tries to start the game
9940 int firstWhite, swapColors = 0;
9941 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
9942 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
9943 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
9944 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
9945 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
9946 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
9947 Reset(FALSE, first.pr != NoProc);
9948 appData.noChessProgram = FALSE;
9949 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
9953 void UserAdjudicationEvent( int result )
9955 ChessMove gameResult = GameIsDrawn;
9958 gameResult = WhiteWins;
9960 else if( result < 0 ) {
9961 gameResult = BlackWins;
9964 if( gameMode == TwoMachinesPlay ) {
9965 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9970 // [HGM] save: calculate checksum of game to make games easily identifiable
9971 int StringCheckSum(char *s)
9974 if(s==NULL) return 0;
9975 while(*s) i = i*259 + *s++;
9982 for(i=backwardMostMove; i<forwardMostMove; i++) {
9983 sum += pvInfoList[i].depth;
9984 sum += StringCheckSum(parseList[i]);
9985 sum += StringCheckSum(commentList[i]);
9988 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9989 return sum + StringCheckSum(commentList[i]);
9990 } // end of save patch
9993 GameEnds(result, resultDetails, whosays)
9995 char *resultDetails;
9998 GameMode nextGameMode;
10000 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10002 if(endingGame) return; /* [HGM] crash: forbid recursion */
10004 if(twoBoards) { // [HGM] dual: switch back to one board
10005 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10006 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10008 if (appData.debugMode) {
10009 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10010 result, resultDetails ? resultDetails : "(null)", whosays);
10013 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10015 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10016 /* If we are playing on ICS, the server decides when the
10017 game is over, but the engine can offer to draw, claim
10021 if (appData.zippyPlay && first.initDone) {
10022 if (result == GameIsDrawn) {
10023 /* In case draw still needs to be claimed */
10024 SendToICS(ics_prefix);
10025 SendToICS("draw\n");
10026 } else if (StrCaseStr(resultDetails, "resign")) {
10027 SendToICS(ics_prefix);
10028 SendToICS("resign\n");
10032 endingGame = 0; /* [HGM] crash */
10036 /* If we're loading the game from a file, stop */
10037 if (whosays == GE_FILE) {
10038 (void) StopLoadGameTimer();
10042 /* Cancel draw offers */
10043 first.offeredDraw = second.offeredDraw = 0;
10045 /* If this is an ICS game, only ICS can really say it's done;
10046 if not, anyone can. */
10047 isIcsGame = (gameMode == IcsPlayingWhite ||
10048 gameMode == IcsPlayingBlack ||
10049 gameMode == IcsObserving ||
10050 gameMode == IcsExamining);
10052 if (!isIcsGame || whosays == GE_ICS) {
10053 /* OK -- not an ICS game, or ICS said it was done */
10055 if (!isIcsGame && !appData.noChessProgram)
10056 SetUserThinkingEnables();
10058 /* [HGM] if a machine claims the game end we verify this claim */
10059 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10060 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10062 ChessMove trueResult = (ChessMove) -1;
10064 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10065 first.twoMachinesColor[0] :
10066 second.twoMachinesColor[0] ;
10068 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10069 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10070 /* [HGM] verify: engine mate claims accepted if they were flagged */
10071 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10073 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10074 /* [HGM] verify: engine mate claims accepted if they were flagged */
10075 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10077 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10078 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10081 // now verify win claims, but not in drop games, as we don't understand those yet
10082 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10083 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10084 (result == WhiteWins && claimer == 'w' ||
10085 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10086 if (appData.debugMode) {
10087 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10088 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10090 if(result != trueResult) {
10091 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10092 result = claimer == 'w' ? BlackWins : WhiteWins;
10093 resultDetails = buf;
10096 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10097 && (forwardMostMove <= backwardMostMove ||
10098 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10099 (claimer=='b')==(forwardMostMove&1))
10101 /* [HGM] verify: draws that were not flagged are false claims */
10102 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10103 result = claimer == 'w' ? BlackWins : WhiteWins;
10104 resultDetails = buf;
10106 /* (Claiming a loss is accepted no questions asked!) */
10108 /* [HGM] bare: don't allow bare King to win */
10109 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10110 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10111 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10112 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10113 && result != GameIsDrawn)
10114 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10115 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10116 int p = (signed char)boards[forwardMostMove][i][j] - color;
10117 if(p >= 0 && p <= (int)WhiteKing) k++;
10119 if (appData.debugMode) {
10120 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10121 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10124 result = GameIsDrawn;
10125 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10126 resultDetails = buf;
10132 if(serverMoves != NULL && !loadFlag) { char c = '=';
10133 if(result==WhiteWins) c = '+';
10134 if(result==BlackWins) c = '-';
10135 if(resultDetails != NULL)
10136 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
10138 if (resultDetails != NULL) {
10139 gameInfo.result = result;
10140 gameInfo.resultDetails = StrSave(resultDetails);
10142 /* display last move only if game was not loaded from file */
10143 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10144 DisplayMove(currentMove - 1);
10146 if (forwardMostMove != 0) {
10147 if (gameMode != PlayFromGameFile && gameMode != EditGame
10148 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10150 if (*appData.saveGameFile != NULLCHAR) {
10151 SaveGameToFile(appData.saveGameFile, TRUE);
10152 } else if (appData.autoSaveGames) {
10155 if (*appData.savePositionFile != NULLCHAR) {
10156 SavePositionToFile(appData.savePositionFile);
10161 /* Tell program how game ended in case it is learning */
10162 /* [HGM] Moved this to after saving the PGN, just in case */
10163 /* engine died and we got here through time loss. In that */
10164 /* case we will get a fatal error writing the pipe, which */
10165 /* would otherwise lose us the PGN. */
10166 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10167 /* output during GameEnds should never be fatal anymore */
10168 if (gameMode == MachinePlaysWhite ||
10169 gameMode == MachinePlaysBlack ||
10170 gameMode == TwoMachinesPlay ||
10171 gameMode == IcsPlayingWhite ||
10172 gameMode == IcsPlayingBlack ||
10173 gameMode == BeginningOfGame) {
10175 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10177 if (first.pr != NoProc) {
10178 SendToProgram(buf, &first);
10180 if (second.pr != NoProc &&
10181 gameMode == TwoMachinesPlay) {
10182 SendToProgram(buf, &second);
10187 if (appData.icsActive) {
10188 if (appData.quietPlay &&
10189 (gameMode == IcsPlayingWhite ||
10190 gameMode == IcsPlayingBlack)) {
10191 SendToICS(ics_prefix);
10192 SendToICS("set shout 1\n");
10194 nextGameMode = IcsIdle;
10195 ics_user_moved = FALSE;
10196 /* clean up premove. It's ugly when the game has ended and the
10197 * premove highlights are still on the board.
10200 gotPremove = FALSE;
10201 ClearPremoveHighlights();
10202 DrawPosition(FALSE, boards[currentMove]);
10204 if (whosays == GE_ICS) {
10207 if (gameMode == IcsPlayingWhite)
10209 else if(gameMode == IcsPlayingBlack)
10210 PlayIcsLossSound();
10213 if (gameMode == IcsPlayingBlack)
10215 else if(gameMode == IcsPlayingWhite)
10216 PlayIcsLossSound();
10219 PlayIcsDrawSound();
10222 PlayIcsUnfinishedSound();
10225 } else if (gameMode == EditGame ||
10226 gameMode == PlayFromGameFile ||
10227 gameMode == AnalyzeMode ||
10228 gameMode == AnalyzeFile) {
10229 nextGameMode = gameMode;
10231 nextGameMode = EndOfGame;
10236 nextGameMode = gameMode;
10239 if (appData.noChessProgram) {
10240 gameMode = nextGameMode;
10242 endingGame = 0; /* [HGM] crash */
10247 /* Put first chess program into idle state */
10248 if (first.pr != NoProc &&
10249 (gameMode == MachinePlaysWhite ||
10250 gameMode == MachinePlaysBlack ||
10251 gameMode == TwoMachinesPlay ||
10252 gameMode == IcsPlayingWhite ||
10253 gameMode == IcsPlayingBlack ||
10254 gameMode == BeginningOfGame)) {
10255 SendToProgram("force\n", &first);
10256 if (first.usePing) {
10258 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10259 SendToProgram(buf, &first);
10262 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10263 /* Kill off first chess program */
10264 if (first.isr != NULL)
10265 RemoveInputSource(first.isr);
10268 if (first.pr != NoProc) {
10270 DoSleep( appData.delayBeforeQuit );
10271 SendToProgram("quit\n", &first);
10272 DoSleep( appData.delayAfterQuit );
10273 DestroyChildProcess(first.pr, first.useSigterm);
10277 if (second.reuse) {
10278 /* Put second chess program into idle state */
10279 if (second.pr != NoProc &&
10280 gameMode == TwoMachinesPlay) {
10281 SendToProgram("force\n", &second);
10282 if (second.usePing) {
10284 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10285 SendToProgram(buf, &second);
10288 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10289 /* Kill off second chess program */
10290 if (second.isr != NULL)
10291 RemoveInputSource(second.isr);
10294 if (second.pr != NoProc) {
10295 DoSleep( appData.delayBeforeQuit );
10296 SendToProgram("quit\n", &second);
10297 DoSleep( appData.delayAfterQuit );
10298 DestroyChildProcess(second.pr, second.useSigterm);
10300 second.pr = NoProc;
10303 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10304 char resChar = '=';
10308 if (first.twoMachinesColor[0] == 'w') {
10311 second.matchWins++;
10316 if (first.twoMachinesColor[0] == 'b') {
10319 second.matchWins++;
10322 case GameUnfinished:
10328 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10329 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10330 ReserveGame(nextGame, resChar); // sets nextGame
10331 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10332 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10333 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10335 if (nextGame <= appData.matchGames && !abortMatch) {
10336 gameMode = nextGameMode;
10337 matchGame = nextGame; // this will be overruled in tourney mode!
10338 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10339 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10340 endingGame = 0; /* [HGM] crash */
10343 gameMode = nextGameMode;
10344 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10345 first.tidy, second.tidy,
10346 first.matchWins, second.matchWins,
10347 appData.matchGames - (first.matchWins + second.matchWins));
10348 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10349 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10350 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10351 first.twoMachinesColor = "black\n";
10352 second.twoMachinesColor = "white\n";
10354 first.twoMachinesColor = "white\n";
10355 second.twoMachinesColor = "black\n";
10359 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10360 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10362 gameMode = nextGameMode;
10364 endingGame = 0; /* [HGM] crash */
10365 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10366 if(matchMode == TRUE) { // match through command line: exit with or without popup
10368 ToNrEvent(forwardMostMove);
10369 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10371 } else DisplayFatalError(buf, 0, 0);
10372 } else { // match through menu; just stop, with or without popup
10373 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10376 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10377 } else DisplayNote(buf);
10379 if(ranking) free(ranking);
10383 /* Assumes program was just initialized (initString sent).
10384 Leaves program in force mode. */
10386 FeedMovesToProgram(cps, upto)
10387 ChessProgramState *cps;
10392 if (appData.debugMode)
10393 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10394 startedFromSetupPosition ? "position and " : "",
10395 backwardMostMove, upto, cps->which);
10396 if(currentlyInitializedVariant != gameInfo.variant) {
10398 // [HGM] variantswitch: make engine aware of new variant
10399 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10400 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10401 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10402 SendToProgram(buf, cps);
10403 currentlyInitializedVariant = gameInfo.variant;
10405 SendToProgram("force\n", cps);
10406 if (startedFromSetupPosition) {
10407 SendBoard(cps, backwardMostMove);
10408 if (appData.debugMode) {
10409 fprintf(debugFP, "feedMoves\n");
10412 for (i = backwardMostMove; i < upto; i++) {
10413 SendMoveToProgram(i, cps);
10419 ResurrectChessProgram()
10421 /* The chess program may have exited.
10422 If so, restart it and feed it all the moves made so far. */
10423 static int doInit = 0;
10425 if (appData.noChessProgram) return 1;
10427 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10428 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10429 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10430 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10432 if (first.pr != NoProc) return 1;
10433 StartChessProgram(&first);
10435 InitChessProgram(&first, FALSE);
10436 FeedMovesToProgram(&first, currentMove);
10438 if (!first.sendTime) {
10439 /* can't tell gnuchess what its clock should read,
10440 so we bow to its notion. */
10442 timeRemaining[0][currentMove] = whiteTimeRemaining;
10443 timeRemaining[1][currentMove] = blackTimeRemaining;
10446 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10447 appData.icsEngineAnalyze) && first.analysisSupport) {
10448 SendToProgram("analyze\n", &first);
10449 first.analyzing = TRUE;
10455 * Button procedures
10458 Reset(redraw, init)
10463 if (appData.debugMode) {
10464 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10465 redraw, init, gameMode);
10467 CleanupTail(); // [HGM] vari: delete any stored variations
10468 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10469 pausing = pauseExamInvalid = FALSE;
10470 startedFromSetupPosition = blackPlaysFirst = FALSE;
10472 whiteFlag = blackFlag = FALSE;
10473 userOfferedDraw = FALSE;
10474 hintRequested = bookRequested = FALSE;
10475 first.maybeThinking = FALSE;
10476 second.maybeThinking = FALSE;
10477 first.bookSuspend = FALSE; // [HGM] book
10478 second.bookSuspend = FALSE;
10479 thinkOutput[0] = NULLCHAR;
10480 lastHint[0] = NULLCHAR;
10481 ClearGameInfo(&gameInfo);
10482 gameInfo.variant = StringToVariant(appData.variant);
10483 ics_user_moved = ics_clock_paused = FALSE;
10484 ics_getting_history = H_FALSE;
10486 white_holding[0] = black_holding[0] = NULLCHAR;
10487 ClearProgramStats();
10488 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10492 flipView = appData.flipView;
10493 ClearPremoveHighlights();
10494 gotPremove = FALSE;
10495 alarmSounded = FALSE;
10497 GameEnds(EndOfFile, NULL, GE_PLAYER);
10498 if(appData.serverMovesName != NULL) {
10499 /* [HGM] prepare to make moves file for broadcasting */
10500 clock_t t = clock();
10501 if(serverMoves != NULL) fclose(serverMoves);
10502 serverMoves = fopen(appData.serverMovesName, "r");
10503 if(serverMoves != NULL) {
10504 fclose(serverMoves);
10505 /* delay 15 sec before overwriting, so all clients can see end */
10506 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10508 serverMoves = fopen(appData.serverMovesName, "w");
10512 gameMode = BeginningOfGame;
10514 if(appData.icsActive) gameInfo.variant = VariantNormal;
10515 currentMove = forwardMostMove = backwardMostMove = 0;
10516 InitPosition(redraw);
10517 for (i = 0; i < MAX_MOVES; i++) {
10518 if (commentList[i] != NULL) {
10519 free(commentList[i]);
10520 commentList[i] = NULL;
10524 timeRemaining[0][0] = whiteTimeRemaining;
10525 timeRemaining[1][0] = blackTimeRemaining;
10527 if (first.pr == NULL) {
10528 StartChessProgram(&first);
10531 InitChessProgram(&first, startedFromSetupPosition);
10534 DisplayMessage("", "");
10535 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10536 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10543 if (!AutoPlayOneMove())
10545 if (matchMode || appData.timeDelay == 0)
10547 if (appData.timeDelay < 0)
10549 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10558 int fromX, fromY, toX, toY;
10560 if (appData.debugMode) {
10561 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10564 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10567 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10568 pvInfoList[currentMove].depth = programStats.depth;
10569 pvInfoList[currentMove].score = programStats.score;
10570 pvInfoList[currentMove].time = 0;
10571 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10574 if (currentMove >= forwardMostMove) {
10575 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10576 // gameMode = EndOfGame;
10577 // ModeHighlight();
10579 /* [AS] Clear current move marker at the end of a game */
10580 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10585 toX = moveList[currentMove][2] - AAA;
10586 toY = moveList[currentMove][3] - ONE;
10588 if (moveList[currentMove][1] == '@') {
10589 if (appData.highlightLastMove) {
10590 SetHighlights(-1, -1, toX, toY);
10593 fromX = moveList[currentMove][0] - AAA;
10594 fromY = moveList[currentMove][1] - ONE;
10596 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10598 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10600 if (appData.highlightLastMove) {
10601 SetHighlights(fromX, fromY, toX, toY);
10604 DisplayMove(currentMove);
10605 SendMoveToProgram(currentMove++, &first);
10606 DisplayBothClocks();
10607 DrawPosition(FALSE, boards[currentMove]);
10608 // [HGM] PV info: always display, routine tests if empty
10609 DisplayComment(currentMove - 1, commentList[currentMove]);
10615 LoadGameOneMove(readAhead)
10616 ChessMove readAhead;
10618 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10619 char promoChar = NULLCHAR;
10620 ChessMove moveType;
10621 char move[MSG_SIZ];
10624 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10625 gameMode != AnalyzeMode && gameMode != Training) {
10630 yyboardindex = forwardMostMove;
10631 if (readAhead != EndOfFile) {
10632 moveType = readAhead;
10634 if (gameFileFP == NULL)
10636 moveType = (ChessMove) Myylex();
10640 switch (moveType) {
10642 if (appData.debugMode)
10643 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10646 /* append the comment but don't display it */
10647 AppendComment(currentMove, p, FALSE);
10650 case WhiteCapturesEnPassant:
10651 case BlackCapturesEnPassant:
10652 case WhitePromotion:
10653 case BlackPromotion:
10654 case WhiteNonPromotion:
10655 case BlackNonPromotion:
10657 case WhiteKingSideCastle:
10658 case WhiteQueenSideCastle:
10659 case BlackKingSideCastle:
10660 case BlackQueenSideCastle:
10661 case WhiteKingSideCastleWild:
10662 case WhiteQueenSideCastleWild:
10663 case BlackKingSideCastleWild:
10664 case BlackQueenSideCastleWild:
10666 case WhiteHSideCastleFR:
10667 case WhiteASideCastleFR:
10668 case BlackHSideCastleFR:
10669 case BlackASideCastleFR:
10671 if (appData.debugMode)
10672 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10673 fromX = currentMoveString[0] - AAA;
10674 fromY = currentMoveString[1] - ONE;
10675 toX = currentMoveString[2] - AAA;
10676 toY = currentMoveString[3] - ONE;
10677 promoChar = currentMoveString[4];
10682 if (appData.debugMode)
10683 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10684 fromX = moveType == WhiteDrop ?
10685 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10686 (int) CharToPiece(ToLower(currentMoveString[0]));
10688 toX = currentMoveString[2] - AAA;
10689 toY = currentMoveString[3] - ONE;
10695 case GameUnfinished:
10696 if (appData.debugMode)
10697 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10698 p = strchr(yy_text, '{');
10699 if (p == NULL) p = strchr(yy_text, '(');
10702 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10704 q = strchr(p, *p == '{' ? '}' : ')');
10705 if (q != NULL) *q = NULLCHAR;
10708 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10709 GameEnds(moveType, p, GE_FILE);
10711 if (cmailMsgLoaded) {
10713 flipView = WhiteOnMove(currentMove);
10714 if (moveType == GameUnfinished) flipView = !flipView;
10715 if (appData.debugMode)
10716 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10721 if (appData.debugMode)
10722 fprintf(debugFP, "Parser hit end of file\n");
10723 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10729 if (WhiteOnMove(currentMove)) {
10730 GameEnds(BlackWins, "Black mates", GE_FILE);
10732 GameEnds(WhiteWins, "White mates", GE_FILE);
10736 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10742 case MoveNumberOne:
10743 if (lastLoadGameStart == GNUChessGame) {
10744 /* GNUChessGames have numbers, but they aren't move numbers */
10745 if (appData.debugMode)
10746 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10747 yy_text, (int) moveType);
10748 return LoadGameOneMove(EndOfFile); /* tail recursion */
10750 /* else fall thru */
10755 /* Reached start of next game in file */
10756 if (appData.debugMode)
10757 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10758 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10764 if (WhiteOnMove(currentMove)) {
10765 GameEnds(BlackWins, "Black mates", GE_FILE);
10767 GameEnds(WhiteWins, "White mates", GE_FILE);
10771 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10777 case PositionDiagram: /* should not happen; ignore */
10778 case ElapsedTime: /* ignore */
10779 case NAG: /* ignore */
10780 if (appData.debugMode)
10781 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10782 yy_text, (int) moveType);
10783 return LoadGameOneMove(EndOfFile); /* tail recursion */
10786 if (appData.testLegality) {
10787 if (appData.debugMode)
10788 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10789 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10790 (forwardMostMove / 2) + 1,
10791 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10792 DisplayError(move, 0);
10795 if (appData.debugMode)
10796 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10797 yy_text, currentMoveString);
10798 fromX = currentMoveString[0] - AAA;
10799 fromY = currentMoveString[1] - ONE;
10800 toX = currentMoveString[2] - AAA;
10801 toY = currentMoveString[3] - ONE;
10802 promoChar = currentMoveString[4];
10806 case AmbiguousMove:
10807 if (appData.debugMode)
10808 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10809 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10810 (forwardMostMove / 2) + 1,
10811 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10812 DisplayError(move, 0);
10817 case ImpossibleMove:
10818 if (appData.debugMode)
10819 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10820 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10821 (forwardMostMove / 2) + 1,
10822 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10823 DisplayError(move, 0);
10829 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10830 DrawPosition(FALSE, boards[currentMove]);
10831 DisplayBothClocks();
10832 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10833 DisplayComment(currentMove - 1, commentList[currentMove]);
10835 (void) StopLoadGameTimer();
10837 cmailOldMove = forwardMostMove;
10840 /* currentMoveString is set as a side-effect of yylex */
10842 thinkOutput[0] = NULLCHAR;
10843 MakeMove(fromX, fromY, toX, toY, promoChar);
10844 currentMove = forwardMostMove;
10849 /* Load the nth game from the given file */
10851 LoadGameFromFile(filename, n, title, useList)
10855 /*Boolean*/ int useList;
10860 if (strcmp(filename, "-") == 0) {
10864 f = fopen(filename, "rb");
10866 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10867 DisplayError(buf, errno);
10871 if (fseek(f, 0, 0) == -1) {
10872 /* f is not seekable; probably a pipe */
10875 if (useList && n == 0) {
10876 int error = GameListBuild(f);
10878 DisplayError(_("Cannot build game list"), error);
10879 } else if (!ListEmpty(&gameList) &&
10880 ((ListGame *) gameList.tailPred)->number > 1) {
10881 GameListPopUp(f, title);
10888 return LoadGame(f, n, title, FALSE);
10893 MakeRegisteredMove()
10895 int fromX, fromY, toX, toY;
10897 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10898 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10901 if (appData.debugMode)
10902 fprintf(debugFP, "Restoring %s for game %d\n",
10903 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10905 thinkOutput[0] = NULLCHAR;
10906 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10907 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10908 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10909 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10910 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10911 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10912 MakeMove(fromX, fromY, toX, toY, promoChar);
10913 ShowMove(fromX, fromY, toX, toY);
10915 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10922 if (WhiteOnMove(currentMove)) {
10923 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10925 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10930 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10937 if (WhiteOnMove(currentMove)) {
10938 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10940 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10945 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10956 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10958 CmailLoadGame(f, gameNumber, title, useList)
10966 if (gameNumber > nCmailGames) {
10967 DisplayError(_("No more games in this message"), 0);
10970 if (f == lastLoadGameFP) {
10971 int offset = gameNumber - lastLoadGameNumber;
10973 cmailMsg[0] = NULLCHAR;
10974 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10975 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10976 nCmailMovesRegistered--;
10978 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10979 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10980 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10983 if (! RegisterMove()) return FALSE;
10987 retVal = LoadGame(f, gameNumber, title, useList);
10989 /* Make move registered during previous look at this game, if any */
10990 MakeRegisteredMove();
10992 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10993 commentList[currentMove]
10994 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10995 DisplayComment(currentMove - 1, commentList[currentMove]);
11001 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11006 int gameNumber = lastLoadGameNumber + offset;
11007 if (lastLoadGameFP == NULL) {
11008 DisplayError(_("No game has been loaded yet"), 0);
11011 if (gameNumber <= 0) {
11012 DisplayError(_("Can't back up any further"), 0);
11015 if (cmailMsgLoaded) {
11016 return CmailLoadGame(lastLoadGameFP, gameNumber,
11017 lastLoadGameTitle, lastLoadGameUseList);
11019 return LoadGame(lastLoadGameFP, gameNumber,
11020 lastLoadGameTitle, lastLoadGameUseList);
11026 /* Load the nth game from open file f */
11028 LoadGame(f, gameNumber, title, useList)
11036 int gn = gameNumber;
11037 ListGame *lg = NULL;
11038 int numPGNTags = 0;
11040 GameMode oldGameMode;
11041 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11043 if (appData.debugMode)
11044 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11046 if (gameMode == Training )
11047 SetTrainingModeOff();
11049 oldGameMode = gameMode;
11050 if (gameMode != BeginningOfGame) {
11051 Reset(FALSE, TRUE);
11055 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11056 fclose(lastLoadGameFP);
11060 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11063 fseek(f, lg->offset, 0);
11064 GameListHighlight(gameNumber);
11068 DisplayError(_("Game number out of range"), 0);
11073 if (fseek(f, 0, 0) == -1) {
11074 if (f == lastLoadGameFP ?
11075 gameNumber == lastLoadGameNumber + 1 :
11079 DisplayError(_("Can't seek on game file"), 0);
11084 lastLoadGameFP = f;
11085 lastLoadGameNumber = gameNumber;
11086 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11087 lastLoadGameUseList = useList;
11091 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11092 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11093 lg->gameInfo.black);
11095 } else if (*title != NULLCHAR) {
11096 if (gameNumber > 1) {
11097 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11100 DisplayTitle(title);
11104 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11105 gameMode = PlayFromGameFile;
11109 currentMove = forwardMostMove = backwardMostMove = 0;
11110 CopyBoard(boards[0], initialPosition);
11114 * Skip the first gn-1 games in the file.
11115 * Also skip over anything that precedes an identifiable
11116 * start of game marker, to avoid being confused by
11117 * garbage at the start of the file. Currently
11118 * recognized start of game markers are the move number "1",
11119 * the pattern "gnuchess .* game", the pattern
11120 * "^[#;%] [^ ]* game file", and a PGN tag block.
11121 * A game that starts with one of the latter two patterns
11122 * will also have a move number 1, possibly
11123 * following a position diagram.
11124 * 5-4-02: Let's try being more lenient and allowing a game to
11125 * start with an unnumbered move. Does that break anything?
11127 cm = lastLoadGameStart = EndOfFile;
11129 yyboardindex = forwardMostMove;
11130 cm = (ChessMove) Myylex();
11133 if (cmailMsgLoaded) {
11134 nCmailGames = CMAIL_MAX_GAMES - gn;
11137 DisplayError(_("Game not found in file"), 0);
11144 lastLoadGameStart = cm;
11147 case MoveNumberOne:
11148 switch (lastLoadGameStart) {
11153 case MoveNumberOne:
11155 gn--; /* count this game */
11156 lastLoadGameStart = cm;
11165 switch (lastLoadGameStart) {
11168 case MoveNumberOne:
11170 gn--; /* count this game */
11171 lastLoadGameStart = cm;
11174 lastLoadGameStart = cm; /* game counted already */
11182 yyboardindex = forwardMostMove;
11183 cm = (ChessMove) Myylex();
11184 } while (cm == PGNTag || cm == Comment);
11191 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11192 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11193 != CMAIL_OLD_RESULT) {
11195 cmailResult[ CMAIL_MAX_GAMES
11196 - gn - 1] = CMAIL_OLD_RESULT;
11202 /* Only a NormalMove can be at the start of a game
11203 * without a position diagram. */
11204 if (lastLoadGameStart == EndOfFile ) {
11206 lastLoadGameStart = MoveNumberOne;
11215 if (appData.debugMode)
11216 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11218 if (cm == XBoardGame) {
11219 /* Skip any header junk before position diagram and/or move 1 */
11221 yyboardindex = forwardMostMove;
11222 cm = (ChessMove) Myylex();
11224 if (cm == EndOfFile ||
11225 cm == GNUChessGame || cm == XBoardGame) {
11226 /* Empty game; pretend end-of-file and handle later */
11231 if (cm == MoveNumberOne || cm == PositionDiagram ||
11232 cm == PGNTag || cm == Comment)
11235 } else if (cm == GNUChessGame) {
11236 if (gameInfo.event != NULL) {
11237 free(gameInfo.event);
11239 gameInfo.event = StrSave(yy_text);
11242 startedFromSetupPosition = FALSE;
11243 while (cm == PGNTag) {
11244 if (appData.debugMode)
11245 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11246 err = ParsePGNTag(yy_text, &gameInfo);
11247 if (!err) numPGNTags++;
11249 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11250 if(gameInfo.variant != oldVariant) {
11251 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11252 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11253 InitPosition(TRUE);
11254 oldVariant = gameInfo.variant;
11255 if (appData.debugMode)
11256 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11260 if (gameInfo.fen != NULL) {
11261 Board initial_position;
11262 startedFromSetupPosition = TRUE;
11263 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11265 DisplayError(_("Bad FEN position in file"), 0);
11268 CopyBoard(boards[0], initial_position);
11269 if (blackPlaysFirst) {
11270 currentMove = forwardMostMove = backwardMostMove = 1;
11271 CopyBoard(boards[1], initial_position);
11272 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11273 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11274 timeRemaining[0][1] = whiteTimeRemaining;
11275 timeRemaining[1][1] = blackTimeRemaining;
11276 if (commentList[0] != NULL) {
11277 commentList[1] = commentList[0];
11278 commentList[0] = NULL;
11281 currentMove = forwardMostMove = backwardMostMove = 0;
11283 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11285 initialRulePlies = FENrulePlies;
11286 for( i=0; i< nrCastlingRights; i++ )
11287 initialRights[i] = initial_position[CASTLING][i];
11289 yyboardindex = forwardMostMove;
11290 free(gameInfo.fen);
11291 gameInfo.fen = NULL;
11294 yyboardindex = forwardMostMove;
11295 cm = (ChessMove) Myylex();
11297 /* Handle comments interspersed among the tags */
11298 while (cm == Comment) {
11300 if (appData.debugMode)
11301 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11303 AppendComment(currentMove, p, FALSE);
11304 yyboardindex = forwardMostMove;
11305 cm = (ChessMove) Myylex();
11309 /* don't rely on existence of Event tag since if game was
11310 * pasted from clipboard the Event tag may not exist
11312 if (numPGNTags > 0){
11314 if (gameInfo.variant == VariantNormal) {
11315 VariantClass v = StringToVariant(gameInfo.event);
11316 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11317 if(v < VariantShogi) gameInfo.variant = v;
11320 if( appData.autoDisplayTags ) {
11321 tags = PGNTags(&gameInfo);
11322 TagsPopUp(tags, CmailMsg());
11327 /* Make something up, but don't display it now */
11332 if (cm == PositionDiagram) {
11335 Board initial_position;
11337 if (appData.debugMode)
11338 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11340 if (!startedFromSetupPosition) {
11342 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11343 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11354 initial_position[i][j++] = CharToPiece(*p);
11357 while (*p == ' ' || *p == '\t' ||
11358 *p == '\n' || *p == '\r') p++;
11360 if (strncmp(p, "black", strlen("black"))==0)
11361 blackPlaysFirst = TRUE;
11363 blackPlaysFirst = FALSE;
11364 startedFromSetupPosition = TRUE;
11366 CopyBoard(boards[0], initial_position);
11367 if (blackPlaysFirst) {
11368 currentMove = forwardMostMove = backwardMostMove = 1;
11369 CopyBoard(boards[1], initial_position);
11370 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11371 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11372 timeRemaining[0][1] = whiteTimeRemaining;
11373 timeRemaining[1][1] = blackTimeRemaining;
11374 if (commentList[0] != NULL) {
11375 commentList[1] = commentList[0];
11376 commentList[0] = NULL;
11379 currentMove = forwardMostMove = backwardMostMove = 0;
11382 yyboardindex = forwardMostMove;
11383 cm = (ChessMove) Myylex();
11386 if (first.pr == NoProc) {
11387 StartChessProgram(&first);
11389 InitChessProgram(&first, FALSE);
11390 SendToProgram("force\n", &first);
11391 if (startedFromSetupPosition) {
11392 SendBoard(&first, forwardMostMove);
11393 if (appData.debugMode) {
11394 fprintf(debugFP, "Load Game\n");
11396 DisplayBothClocks();
11399 /* [HGM] server: flag to write setup moves in broadcast file as one */
11400 loadFlag = appData.suppressLoadMoves;
11402 while (cm == Comment) {
11404 if (appData.debugMode)
11405 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11407 AppendComment(currentMove, p, FALSE);
11408 yyboardindex = forwardMostMove;
11409 cm = (ChessMove) Myylex();
11412 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11413 cm == WhiteWins || cm == BlackWins ||
11414 cm == GameIsDrawn || cm == GameUnfinished) {
11415 DisplayMessage("", _("No moves in game"));
11416 if (cmailMsgLoaded) {
11417 if (appData.debugMode)
11418 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11422 DrawPosition(FALSE, boards[currentMove]);
11423 DisplayBothClocks();
11424 gameMode = EditGame;
11431 // [HGM] PV info: routine tests if comment empty
11432 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11433 DisplayComment(currentMove - 1, commentList[currentMove]);
11435 if (!matchMode && appData.timeDelay != 0)
11436 DrawPosition(FALSE, boards[currentMove]);
11438 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11439 programStats.ok_to_send = 1;
11442 /* if the first token after the PGN tags is a move
11443 * and not move number 1, retrieve it from the parser
11445 if (cm != MoveNumberOne)
11446 LoadGameOneMove(cm);
11448 /* load the remaining moves from the file */
11449 while (LoadGameOneMove(EndOfFile)) {
11450 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11451 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11454 /* rewind to the start of the game */
11455 currentMove = backwardMostMove;
11457 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11459 if (oldGameMode == AnalyzeFile ||
11460 oldGameMode == AnalyzeMode) {
11461 AnalyzeFileEvent();
11464 if (matchMode || appData.timeDelay == 0) {
11466 } else if (appData.timeDelay > 0) {
11467 AutoPlayGameLoop();
11470 if (appData.debugMode)
11471 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11473 loadFlag = 0; /* [HGM] true game starts */
11477 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11479 ReloadPosition(offset)
11482 int positionNumber = lastLoadPositionNumber + offset;
11483 if (lastLoadPositionFP == NULL) {
11484 DisplayError(_("No position has been loaded yet"), 0);
11487 if (positionNumber <= 0) {
11488 DisplayError(_("Can't back up any further"), 0);
11491 return LoadPosition(lastLoadPositionFP, positionNumber,
11492 lastLoadPositionTitle);
11495 /* Load the nth position from the given file */
11497 LoadPositionFromFile(filename, n, title)
11505 if (strcmp(filename, "-") == 0) {
11506 return LoadPosition(stdin, n, "stdin");
11508 f = fopen(filename, "rb");
11510 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11511 DisplayError(buf, errno);
11514 return LoadPosition(f, n, title);
11519 /* Load the nth position from the given open file, and close it */
11521 LoadPosition(f, positionNumber, title)
11523 int positionNumber;
11526 char *p, line[MSG_SIZ];
11527 Board initial_position;
11528 int i, j, fenMode, pn;
11530 if (gameMode == Training )
11531 SetTrainingModeOff();
11533 if (gameMode != BeginningOfGame) {
11534 Reset(FALSE, TRUE);
11536 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11537 fclose(lastLoadPositionFP);
11539 if (positionNumber == 0) positionNumber = 1;
11540 lastLoadPositionFP = f;
11541 lastLoadPositionNumber = positionNumber;
11542 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11543 if (first.pr == NoProc) {
11544 StartChessProgram(&first);
11545 InitChessProgram(&first, FALSE);
11547 pn = positionNumber;
11548 if (positionNumber < 0) {
11549 /* Negative position number means to seek to that byte offset */
11550 if (fseek(f, -positionNumber, 0) == -1) {
11551 DisplayError(_("Can't seek on position file"), 0);
11556 if (fseek(f, 0, 0) == -1) {
11557 if (f == lastLoadPositionFP ?
11558 positionNumber == lastLoadPositionNumber + 1 :
11559 positionNumber == 1) {
11562 DisplayError(_("Can't seek on position file"), 0);
11567 /* See if this file is FEN or old-style xboard */
11568 if (fgets(line, MSG_SIZ, f) == NULL) {
11569 DisplayError(_("Position not found in file"), 0);
11572 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11573 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11576 if (fenMode || line[0] == '#') pn--;
11578 /* skip positions before number pn */
11579 if (fgets(line, MSG_SIZ, f) == NULL) {
11581 DisplayError(_("Position not found in file"), 0);
11584 if (fenMode || line[0] == '#') pn--;
11589 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11590 DisplayError(_("Bad FEN position in file"), 0);
11594 (void) fgets(line, MSG_SIZ, f);
11595 (void) fgets(line, MSG_SIZ, f);
11597 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11598 (void) fgets(line, MSG_SIZ, f);
11599 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11602 initial_position[i][j++] = CharToPiece(*p);
11606 blackPlaysFirst = FALSE;
11608 (void) fgets(line, MSG_SIZ, f);
11609 if (strncmp(line, "black", strlen("black"))==0)
11610 blackPlaysFirst = TRUE;
11613 startedFromSetupPosition = TRUE;
11615 SendToProgram("force\n", &first);
11616 CopyBoard(boards[0], initial_position);
11617 if (blackPlaysFirst) {
11618 currentMove = forwardMostMove = backwardMostMove = 1;
11619 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11620 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11621 CopyBoard(boards[1], initial_position);
11622 DisplayMessage("", _("Black to play"));
11624 currentMove = forwardMostMove = backwardMostMove = 0;
11625 DisplayMessage("", _("White to play"));
11627 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11628 SendBoard(&first, forwardMostMove);
11629 if (appData.debugMode) {
11631 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11632 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11633 fprintf(debugFP, "Load Position\n");
11636 if (positionNumber > 1) {
11637 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11638 DisplayTitle(line);
11640 DisplayTitle(title);
11642 gameMode = EditGame;
11645 timeRemaining[0][1] = whiteTimeRemaining;
11646 timeRemaining[1][1] = blackTimeRemaining;
11647 DrawPosition(FALSE, boards[currentMove]);
11654 CopyPlayerNameIntoFileName(dest, src)
11657 while (*src != NULLCHAR && *src != ',') {
11662 *(*dest)++ = *src++;
11667 char *DefaultFileName(ext)
11670 static char def[MSG_SIZ];
11673 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11675 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11677 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11679 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11686 /* Save the current game to the given file */
11688 SaveGameToFile(filename, append)
11696 if (strcmp(filename, "-") == 0) {
11697 return SaveGame(stdout, 0, NULL);
11699 f = fopen(filename, append ? "a" : "w");
11701 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11702 DisplayError(buf, errno);
11705 safeStrCpy(buf, lastMsg, MSG_SIZ);
11706 DisplayMessage(_("Waiting for access to save file"), "");
11707 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11708 DisplayMessage(_("Saving game"), "");
11709 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11710 result = SaveGame(f, 0, NULL);
11711 DisplayMessage(buf, "");
11721 static char buf[MSG_SIZ];
11724 p = strchr(str, ' ');
11725 if (p == NULL) return str;
11726 strncpy(buf, str, p - str);
11727 buf[p - str] = NULLCHAR;
11731 #define PGN_MAX_LINE 75
11733 #define PGN_SIDE_WHITE 0
11734 #define PGN_SIDE_BLACK 1
11737 static int FindFirstMoveOutOfBook( int side )
11741 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11742 int index = backwardMostMove;
11743 int has_book_hit = 0;
11745 if( (index % 2) != side ) {
11749 while( index < forwardMostMove ) {
11750 /* Check to see if engine is in book */
11751 int depth = pvInfoList[index].depth;
11752 int score = pvInfoList[index].score;
11758 else if( score == 0 && depth == 63 ) {
11759 in_book = 1; /* Zappa */
11761 else if( score == 2 && depth == 99 ) {
11762 in_book = 1; /* Abrok */
11765 has_book_hit += in_book;
11781 void GetOutOfBookInfo( char * buf )
11785 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11787 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
11788 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
11792 if( oob[0] >= 0 || oob[1] >= 0 ) {
11793 for( i=0; i<2; i++ ) {
11797 if( i > 0 && oob[0] >= 0 ) {
11798 strcat( buf, " " );
11801 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
11802 sprintf( buf+strlen(buf), "%s%.2f",
11803 pvInfoList[idx].score >= 0 ? "+" : "",
11804 pvInfoList[idx].score / 100.0 );
11810 /* Save game in PGN style and close the file */
11815 int i, offset, linelen, newblock;
11819 int movelen, numlen, blank;
11820 char move_buffer[100]; /* [AS] Buffer for move+PV info */
11822 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11824 tm = time((time_t *) NULL);
11826 PrintPGNTags(f, &gameInfo);
11828 if (backwardMostMove > 0 || startedFromSetupPosition) {
11829 char *fen = PositionToFEN(backwardMostMove, NULL);
11830 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
11831 fprintf(f, "\n{--------------\n");
11832 PrintPosition(f, backwardMostMove);
11833 fprintf(f, "--------------}\n");
11837 /* [AS] Out of book annotation */
11838 if( appData.saveOutOfBookInfo ) {
11841 GetOutOfBookInfo( buf );
11843 if( buf[0] != '\0' ) {
11844 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
11851 i = backwardMostMove;
11855 while (i < forwardMostMove) {
11856 /* Print comments preceding this move */
11857 if (commentList[i] != NULL) {
11858 if (linelen > 0) fprintf(f, "\n");
11859 fprintf(f, "%s", commentList[i]);
11864 /* Format move number */
11866 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
11869 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
11871 numtext[0] = NULLCHAR;
11873 numlen = strlen(numtext);
11876 /* Print move number */
11877 blank = linelen > 0 && numlen > 0;
11878 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
11887 fprintf(f, "%s", numtext);
11891 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
11892 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
11895 blank = linelen > 0 && movelen > 0;
11896 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11905 fprintf(f, "%s", move_buffer);
11906 linelen += movelen;
11908 /* [AS] Add PV info if present */
11909 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
11910 /* [HGM] add time */
11911 char buf[MSG_SIZ]; int seconds;
11913 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11919 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11922 seconds = (seconds + 4)/10; // round to full seconds
11924 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11926 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11929 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11930 pvInfoList[i].score >= 0 ? "+" : "",
11931 pvInfoList[i].score / 100.0,
11932 pvInfoList[i].depth,
11935 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11937 /* Print score/depth */
11938 blank = linelen > 0 && movelen > 0;
11939 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11948 fprintf(f, "%s", move_buffer);
11949 linelen += movelen;
11955 /* Start a new line */
11956 if (linelen > 0) fprintf(f, "\n");
11958 /* Print comments after last move */
11959 if (commentList[i] != NULL) {
11960 fprintf(f, "%s\n", commentList[i]);
11964 if (gameInfo.resultDetails != NULL &&
11965 gameInfo.resultDetails[0] != NULLCHAR) {
11966 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11967 PGNResult(gameInfo.result));
11969 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11973 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11977 /* Save game in old style and close the file */
11979 SaveGameOldStyle(f)
11985 tm = time((time_t *) NULL);
11987 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11990 if (backwardMostMove > 0 || startedFromSetupPosition) {
11991 fprintf(f, "\n[--------------\n");
11992 PrintPosition(f, backwardMostMove);
11993 fprintf(f, "--------------]\n");
11998 i = backwardMostMove;
11999 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12001 while (i < forwardMostMove) {
12002 if (commentList[i] != NULL) {
12003 fprintf(f, "[%s]\n", commentList[i]);
12006 if ((i % 2) == 1) {
12007 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12010 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12012 if (commentList[i] != NULL) {
12016 if (i >= forwardMostMove) {
12020 fprintf(f, "%s\n", parseList[i]);
12025 if (commentList[i] != NULL) {
12026 fprintf(f, "[%s]\n", commentList[i]);
12029 /* This isn't really the old style, but it's close enough */
12030 if (gameInfo.resultDetails != NULL &&
12031 gameInfo.resultDetails[0] != NULLCHAR) {
12032 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12033 gameInfo.resultDetails);
12035 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12042 /* Save the current game to open file f and close the file */
12044 SaveGame(f, dummy, dummy2)
12049 if (gameMode == EditPosition) EditPositionDone(TRUE);
12050 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12051 if (appData.oldSaveStyle)
12052 return SaveGameOldStyle(f);
12054 return SaveGamePGN(f);
12057 /* Save the current position to the given file */
12059 SavePositionToFile(filename)
12065 if (strcmp(filename, "-") == 0) {
12066 return SavePosition(stdout, 0, NULL);
12068 f = fopen(filename, "a");
12070 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12071 DisplayError(buf, errno);
12074 safeStrCpy(buf, lastMsg, MSG_SIZ);
12075 DisplayMessage(_("Waiting for access to save file"), "");
12076 flock(fileno(f), LOCK_EX); // [HGM] lock
12077 DisplayMessage(_("Saving position"), "");
12078 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12079 SavePosition(f, 0, NULL);
12080 DisplayMessage(buf, "");
12086 /* Save the current position to the given open file and close the file */
12088 SavePosition(f, dummy, dummy2)
12096 if (gameMode == EditPosition) EditPositionDone(TRUE);
12097 if (appData.oldSaveStyle) {
12098 tm = time((time_t *) NULL);
12100 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12102 fprintf(f, "[--------------\n");
12103 PrintPosition(f, currentMove);
12104 fprintf(f, "--------------]\n");
12106 fen = PositionToFEN(currentMove, NULL);
12107 fprintf(f, "%s\n", fen);
12115 ReloadCmailMsgEvent(unregister)
12119 static char *inFilename = NULL;
12120 static char *outFilename;
12122 struct stat inbuf, outbuf;
12125 /* Any registered moves are unregistered if unregister is set, */
12126 /* i.e. invoked by the signal handler */
12128 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12129 cmailMoveRegistered[i] = FALSE;
12130 if (cmailCommentList[i] != NULL) {
12131 free(cmailCommentList[i]);
12132 cmailCommentList[i] = NULL;
12135 nCmailMovesRegistered = 0;
12138 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12139 cmailResult[i] = CMAIL_NOT_RESULT;
12143 if (inFilename == NULL) {
12144 /* Because the filenames are static they only get malloced once */
12145 /* and they never get freed */
12146 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12147 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12149 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12150 sprintf(outFilename, "%s.out", appData.cmailGameName);
12153 status = stat(outFilename, &outbuf);
12155 cmailMailedMove = FALSE;
12157 status = stat(inFilename, &inbuf);
12158 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12161 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12162 counts the games, notes how each one terminated, etc.
12164 It would be nice to remove this kludge and instead gather all
12165 the information while building the game list. (And to keep it
12166 in the game list nodes instead of having a bunch of fixed-size
12167 parallel arrays.) Note this will require getting each game's
12168 termination from the PGN tags, as the game list builder does
12169 not process the game moves. --mann
12171 cmailMsgLoaded = TRUE;
12172 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12174 /* Load first game in the file or popup game menu */
12175 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12177 #endif /* !WIN32 */
12185 char string[MSG_SIZ];
12187 if ( cmailMailedMove
12188 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12189 return TRUE; /* Allow free viewing */
12192 /* Unregister move to ensure that we don't leave RegisterMove */
12193 /* with the move registered when the conditions for registering no */
12195 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12196 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12197 nCmailMovesRegistered --;
12199 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12201 free(cmailCommentList[lastLoadGameNumber - 1]);
12202 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12206 if (cmailOldMove == -1) {
12207 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12211 if (currentMove > cmailOldMove + 1) {
12212 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12216 if (currentMove < cmailOldMove) {
12217 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12221 if (forwardMostMove > currentMove) {
12222 /* Silently truncate extra moves */
12226 if ( (currentMove == cmailOldMove + 1)
12227 || ( (currentMove == cmailOldMove)
12228 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12229 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12230 if (gameInfo.result != GameUnfinished) {
12231 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12234 if (commentList[currentMove] != NULL) {
12235 cmailCommentList[lastLoadGameNumber - 1]
12236 = StrSave(commentList[currentMove]);
12238 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12240 if (appData.debugMode)
12241 fprintf(debugFP, "Saving %s for game %d\n",
12242 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12244 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12246 f = fopen(string, "w");
12247 if (appData.oldSaveStyle) {
12248 SaveGameOldStyle(f); /* also closes the file */
12250 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12251 f = fopen(string, "w");
12252 SavePosition(f, 0, NULL); /* also closes the file */
12254 fprintf(f, "{--------------\n");
12255 PrintPosition(f, currentMove);
12256 fprintf(f, "--------------}\n\n");
12258 SaveGame(f, 0, NULL); /* also closes the file*/
12261 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12262 nCmailMovesRegistered ++;
12263 } else if (nCmailGames == 1) {
12264 DisplayError(_("You have not made a move yet"), 0);
12275 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12276 FILE *commandOutput;
12277 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12278 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12284 if (! cmailMsgLoaded) {
12285 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12289 if (nCmailGames == nCmailResults) {
12290 DisplayError(_("No unfinished games"), 0);
12294 #if CMAIL_PROHIBIT_REMAIL
12295 if (cmailMailedMove) {
12296 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);
12297 DisplayError(msg, 0);
12302 if (! (cmailMailedMove || RegisterMove())) return;
12304 if ( cmailMailedMove
12305 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12306 snprintf(string, MSG_SIZ, partCommandString,
12307 appData.debugMode ? " -v" : "", appData.cmailGameName);
12308 commandOutput = popen(string, "r");
12310 if (commandOutput == NULL) {
12311 DisplayError(_("Failed to invoke cmail"), 0);
12313 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12314 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12316 if (nBuffers > 1) {
12317 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12318 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12319 nBytes = MSG_SIZ - 1;
12321 (void) memcpy(msg, buffer, nBytes);
12323 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12325 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12326 cmailMailedMove = TRUE; /* Prevent >1 moves */
12329 for (i = 0; i < nCmailGames; i ++) {
12330 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12335 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12337 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12339 appData.cmailGameName,
12341 LoadGameFromFile(buffer, 1, buffer, FALSE);
12342 cmailMsgLoaded = FALSE;
12346 DisplayInformation(msg);
12347 pclose(commandOutput);
12350 if ((*cmailMsg) != '\0') {
12351 DisplayInformation(cmailMsg);
12356 #endif /* !WIN32 */
12365 int prependComma = 0;
12367 char string[MSG_SIZ]; /* Space for game-list */
12370 if (!cmailMsgLoaded) return "";
12372 if (cmailMailedMove) {
12373 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12375 /* Create a list of games left */
12376 snprintf(string, MSG_SIZ, "[");
12377 for (i = 0; i < nCmailGames; i ++) {
12378 if (! ( cmailMoveRegistered[i]
12379 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12380 if (prependComma) {
12381 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12383 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12387 strcat(string, number);
12390 strcat(string, "]");
12392 if (nCmailMovesRegistered + nCmailResults == 0) {
12393 switch (nCmailGames) {
12395 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12399 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12403 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12408 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12410 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12415 if (nCmailResults == nCmailGames) {
12416 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12418 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12423 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12435 if (gameMode == Training)
12436 SetTrainingModeOff();
12439 cmailMsgLoaded = FALSE;
12440 if (appData.icsActive) {
12441 SendToICS(ics_prefix);
12442 SendToICS("refresh\n");
12452 /* Give up on clean exit */
12456 /* Keep trying for clean exit */
12460 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12462 if (telnetISR != NULL) {
12463 RemoveInputSource(telnetISR);
12465 if (icsPR != NoProc) {
12466 DestroyChildProcess(icsPR, TRUE);
12469 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12470 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12472 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12473 /* make sure this other one finishes before killing it! */
12474 if(endingGame) { int count = 0;
12475 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12476 while(endingGame && count++ < 10) DoSleep(1);
12477 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12480 /* Kill off chess programs */
12481 if (first.pr != NoProc) {
12484 DoSleep( appData.delayBeforeQuit );
12485 SendToProgram("quit\n", &first);
12486 DoSleep( appData.delayAfterQuit );
12487 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12489 if (second.pr != NoProc) {
12490 DoSleep( appData.delayBeforeQuit );
12491 SendToProgram("quit\n", &second);
12492 DoSleep( appData.delayAfterQuit );
12493 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12495 if (first.isr != NULL) {
12496 RemoveInputSource(first.isr);
12498 if (second.isr != NULL) {
12499 RemoveInputSource(second.isr);
12502 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12503 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12505 ShutDownFrontEnd();
12512 if (appData.debugMode)
12513 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12517 if (gameMode == MachinePlaysWhite ||
12518 gameMode == MachinePlaysBlack) {
12521 DisplayBothClocks();
12523 if (gameMode == PlayFromGameFile) {
12524 if (appData.timeDelay >= 0)
12525 AutoPlayGameLoop();
12526 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12527 Reset(FALSE, TRUE);
12528 SendToICS(ics_prefix);
12529 SendToICS("refresh\n");
12530 } else if (currentMove < forwardMostMove) {
12531 ForwardInner(forwardMostMove);
12533 pauseExamInvalid = FALSE;
12535 switch (gameMode) {
12539 pauseExamForwardMostMove = forwardMostMove;
12540 pauseExamInvalid = FALSE;
12543 case IcsPlayingWhite:
12544 case IcsPlayingBlack:
12548 case PlayFromGameFile:
12549 (void) StopLoadGameTimer();
12553 case BeginningOfGame:
12554 if (appData.icsActive) return;
12555 /* else fall through */
12556 case MachinePlaysWhite:
12557 case MachinePlaysBlack:
12558 case TwoMachinesPlay:
12559 if (forwardMostMove == 0)
12560 return; /* don't pause if no one has moved */
12561 if ((gameMode == MachinePlaysWhite &&
12562 !WhiteOnMove(forwardMostMove)) ||
12563 (gameMode == MachinePlaysBlack &&
12564 WhiteOnMove(forwardMostMove))) {
12577 char title[MSG_SIZ];
12579 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12580 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12582 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12583 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12584 parseList[currentMove - 1]);
12587 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12594 char *tags = PGNTags(&gameInfo);
12596 EditTagsPopUp(tags, NULL);
12603 if (appData.noChessProgram || gameMode == AnalyzeMode)
12606 if (gameMode != AnalyzeFile) {
12607 if (!appData.icsEngineAnalyze) {
12609 if (gameMode != EditGame) return;
12611 ResurrectChessProgram();
12612 SendToProgram("analyze\n", &first);
12613 first.analyzing = TRUE;
12614 /*first.maybeThinking = TRUE;*/
12615 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12616 EngineOutputPopUp();
12618 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12623 StartAnalysisClock();
12624 GetTimeMark(&lastNodeCountTime);
12631 if (appData.noChessProgram || gameMode == AnalyzeFile)
12634 if (gameMode != AnalyzeMode) {
12636 if (gameMode != EditGame) return;
12637 ResurrectChessProgram();
12638 SendToProgram("analyze\n", &first);
12639 first.analyzing = TRUE;
12640 /*first.maybeThinking = TRUE;*/
12641 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12642 EngineOutputPopUp();
12644 gameMode = AnalyzeFile;
12649 StartAnalysisClock();
12650 GetTimeMark(&lastNodeCountTime);
12655 MachineWhiteEvent()
12658 char *bookHit = NULL;
12660 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12664 if (gameMode == PlayFromGameFile ||
12665 gameMode == TwoMachinesPlay ||
12666 gameMode == Training ||
12667 gameMode == AnalyzeMode ||
12668 gameMode == EndOfGame)
12671 if (gameMode == EditPosition)
12672 EditPositionDone(TRUE);
12674 if (!WhiteOnMove(currentMove)) {
12675 DisplayError(_("It is not White's turn"), 0);
12679 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12682 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12683 gameMode == AnalyzeFile)
12686 ResurrectChessProgram(); /* in case it isn't running */
12687 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12688 gameMode = MachinePlaysWhite;
12691 gameMode = MachinePlaysWhite;
12695 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12697 if (first.sendName) {
12698 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12699 SendToProgram(buf, &first);
12701 if (first.sendTime) {
12702 if (first.useColors) {
12703 SendToProgram("black\n", &first); /*gnu kludge*/
12705 SendTimeRemaining(&first, TRUE);
12707 if (first.useColors) {
12708 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12710 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12711 SetMachineThinkingEnables();
12712 first.maybeThinking = TRUE;
12716 if (appData.autoFlipView && !flipView) {
12717 flipView = !flipView;
12718 DrawPosition(FALSE, NULL);
12719 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12722 if(bookHit) { // [HGM] book: simulate book reply
12723 static char bookMove[MSG_SIZ]; // a bit generous?
12725 programStats.nodes = programStats.depth = programStats.time =
12726 programStats.score = programStats.got_only_move = 0;
12727 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12729 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12730 strcat(bookMove, bookHit);
12731 HandleMachineMove(bookMove, &first);
12736 MachineBlackEvent()
12739 char *bookHit = NULL;
12741 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12745 if (gameMode == PlayFromGameFile ||
12746 gameMode == TwoMachinesPlay ||
12747 gameMode == Training ||
12748 gameMode == AnalyzeMode ||
12749 gameMode == EndOfGame)
12752 if (gameMode == EditPosition)
12753 EditPositionDone(TRUE);
12755 if (WhiteOnMove(currentMove)) {
12756 DisplayError(_("It is not Black's turn"), 0);
12760 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12763 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12764 gameMode == AnalyzeFile)
12767 ResurrectChessProgram(); /* in case it isn't running */
12768 gameMode = MachinePlaysBlack;
12772 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12774 if (first.sendName) {
12775 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
12776 SendToProgram(buf, &first);
12778 if (first.sendTime) {
12779 if (first.useColors) {
12780 SendToProgram("white\n", &first); /*gnu kludge*/
12782 SendTimeRemaining(&first, FALSE);
12784 if (first.useColors) {
12785 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
12787 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12788 SetMachineThinkingEnables();
12789 first.maybeThinking = TRUE;
12792 if (appData.autoFlipView && flipView) {
12793 flipView = !flipView;
12794 DrawPosition(FALSE, NULL);
12795 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12797 if(bookHit) { // [HGM] book: simulate book reply
12798 static char bookMove[MSG_SIZ]; // a bit generous?
12800 programStats.nodes = programStats.depth = programStats.time =
12801 programStats.score = programStats.got_only_move = 0;
12802 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12804 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12805 strcat(bookMove, bookHit);
12806 HandleMachineMove(bookMove, &first);
12812 DisplayTwoMachinesTitle()
12815 if (appData.matchGames > 0) {
12816 if(appData.tourneyFile[0]) {
12817 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
12818 gameInfo.white, gameInfo.black,
12819 nextGame+1, appData.matchGames+1,
12820 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
12822 if (first.twoMachinesColor[0] == 'w') {
12823 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12824 gameInfo.white, gameInfo.black,
12825 first.matchWins, second.matchWins,
12826 matchGame - 1 - (first.matchWins + second.matchWins));
12828 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12829 gameInfo.white, gameInfo.black,
12830 second.matchWins, first.matchWins,
12831 matchGame - 1 - (first.matchWins + second.matchWins));
12834 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12840 SettingsMenuIfReady()
12842 if (second.lastPing != second.lastPong) {
12843 DisplayMessage("", _("Waiting for second chess program"));
12844 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
12848 DisplayMessage("", "");
12849 SettingsPopUp(&second);
12853 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
12856 if (cps->pr == NULL) {
12857 StartChessProgram(cps);
12858 if (cps->protocolVersion == 1) {
12861 /* kludge: allow timeout for initial "feature" command */
12863 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
12864 DisplayMessage("", buf);
12865 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
12873 TwoMachinesEvent P((void))
12877 ChessProgramState *onmove;
12878 char *bookHit = NULL;
12879 static int stalling = 0;
12883 if (appData.noChessProgram) return;
12885 switch (gameMode) {
12886 case TwoMachinesPlay:
12888 case MachinePlaysWhite:
12889 case MachinePlaysBlack:
12890 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12891 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12895 case BeginningOfGame:
12896 case PlayFromGameFile:
12899 if (gameMode != EditGame) return;
12902 EditPositionDone(TRUE);
12913 // forwardMostMove = currentMove;
12914 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
12916 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
12918 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
12919 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
12920 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12924 InitChessProgram(&second, FALSE); // unbalances ping of second engine
12925 SendToProgram("force\n", &second);
12927 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12930 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
12931 if(appData.matchPause>10000 || appData.matchPause<10)
12932 appData.matchPause = 10000; /* [HGM] make pause adjustable */
12933 wait = SubtractTimeMarks(&now, &pauseStart);
12934 if(wait < appData.matchPause) {
12935 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
12939 DisplayMessage("", "");
12940 if (startedFromSetupPosition) {
12941 SendBoard(&second, backwardMostMove);
12942 if (appData.debugMode) {
12943 fprintf(debugFP, "Two Machines\n");
12946 for (i = backwardMostMove; i < forwardMostMove; i++) {
12947 SendMoveToProgram(i, &second);
12950 gameMode = TwoMachinesPlay;
12952 ModeHighlight(); // [HGM] logo: this triggers display update of logos
12954 DisplayTwoMachinesTitle();
12956 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12961 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
12962 SendToProgram(first.computerString, &first);
12963 if (first.sendName) {
12964 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12965 SendToProgram(buf, &first);
12967 SendToProgram(second.computerString, &second);
12968 if (second.sendName) {
12969 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12970 SendToProgram(buf, &second);
12974 if (!first.sendTime || !second.sendTime) {
12975 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12976 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12978 if (onmove->sendTime) {
12979 if (onmove->useColors) {
12980 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12982 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12984 if (onmove->useColors) {
12985 SendToProgram(onmove->twoMachinesColor, onmove);
12987 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12988 // SendToProgram("go\n", onmove);
12989 onmove->maybeThinking = TRUE;
12990 SetMachineThinkingEnables();
12994 if(bookHit) { // [HGM] book: simulate book reply
12995 static char bookMove[MSG_SIZ]; // a bit generous?
12997 programStats.nodes = programStats.depth = programStats.time =
12998 programStats.score = programStats.got_only_move = 0;
12999 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13001 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13002 strcat(bookMove, bookHit);
13003 savedMessage = bookMove; // args for deferred call
13004 savedState = onmove;
13005 ScheduleDelayedEvent(DeferredBookMove, 1);
13012 if (gameMode == Training) {
13013 SetTrainingModeOff();
13014 gameMode = PlayFromGameFile;
13015 DisplayMessage("", _("Training mode off"));
13017 gameMode = Training;
13018 animateTraining = appData.animate;
13020 /* make sure we are not already at the end of the game */
13021 if (currentMove < forwardMostMove) {
13022 SetTrainingModeOn();
13023 DisplayMessage("", _("Training mode on"));
13025 gameMode = PlayFromGameFile;
13026 DisplayError(_("Already at end of game"), 0);
13035 if (!appData.icsActive) return;
13036 switch (gameMode) {
13037 case IcsPlayingWhite:
13038 case IcsPlayingBlack:
13041 case BeginningOfGame:
13049 EditPositionDone(TRUE);
13062 gameMode = IcsIdle;
13073 switch (gameMode) {
13075 SetTrainingModeOff();
13077 case MachinePlaysWhite:
13078 case MachinePlaysBlack:
13079 case BeginningOfGame:
13080 SendToProgram("force\n", &first);
13081 SetUserThinkingEnables();
13083 case PlayFromGameFile:
13084 (void) StopLoadGameTimer();
13085 if (gameFileFP != NULL) {
13090 EditPositionDone(TRUE);
13095 SendToProgram("force\n", &first);
13097 case TwoMachinesPlay:
13098 GameEnds(EndOfFile, NULL, GE_PLAYER);
13099 ResurrectChessProgram();
13100 SetUserThinkingEnables();
13103 ResurrectChessProgram();
13105 case IcsPlayingBlack:
13106 case IcsPlayingWhite:
13107 DisplayError(_("Warning: You are still playing a game"), 0);
13110 DisplayError(_("Warning: You are still observing a game"), 0);
13113 DisplayError(_("Warning: You are still examining a game"), 0);
13124 first.offeredDraw = second.offeredDraw = 0;
13126 if (gameMode == PlayFromGameFile) {
13127 whiteTimeRemaining = timeRemaining[0][currentMove];
13128 blackTimeRemaining = timeRemaining[1][currentMove];
13132 if (gameMode == MachinePlaysWhite ||
13133 gameMode == MachinePlaysBlack ||
13134 gameMode == TwoMachinesPlay ||
13135 gameMode == EndOfGame) {
13136 i = forwardMostMove;
13137 while (i > currentMove) {
13138 SendToProgram("undo\n", &first);
13141 whiteTimeRemaining = timeRemaining[0][currentMove];
13142 blackTimeRemaining = timeRemaining[1][currentMove];
13143 DisplayBothClocks();
13144 if (whiteFlag || blackFlag) {
13145 whiteFlag = blackFlag = 0;
13150 gameMode = EditGame;
13157 EditPositionEvent()
13159 if (gameMode == EditPosition) {
13165 if (gameMode != EditGame) return;
13167 gameMode = EditPosition;
13170 if (currentMove > 0)
13171 CopyBoard(boards[0], boards[currentMove]);
13173 blackPlaysFirst = !WhiteOnMove(currentMove);
13175 currentMove = forwardMostMove = backwardMostMove = 0;
13176 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13183 /* [DM] icsEngineAnalyze - possible call from other functions */
13184 if (appData.icsEngineAnalyze) {
13185 appData.icsEngineAnalyze = FALSE;
13187 DisplayMessage("",_("Close ICS engine analyze..."));
13189 if (first.analysisSupport && first.analyzing) {
13190 SendToProgram("exit\n", &first);
13191 first.analyzing = FALSE;
13193 thinkOutput[0] = NULLCHAR;
13197 EditPositionDone(Boolean fakeRights)
13199 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13201 startedFromSetupPosition = TRUE;
13202 InitChessProgram(&first, FALSE);
13203 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13204 boards[0][EP_STATUS] = EP_NONE;
13205 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13206 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13207 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13208 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13209 } else boards[0][CASTLING][2] = NoRights;
13210 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13211 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13212 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13213 } else boards[0][CASTLING][5] = NoRights;
13215 SendToProgram("force\n", &first);
13216 if (blackPlaysFirst) {
13217 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13218 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13219 currentMove = forwardMostMove = backwardMostMove = 1;
13220 CopyBoard(boards[1], boards[0]);
13222 currentMove = forwardMostMove = backwardMostMove = 0;
13224 SendBoard(&first, forwardMostMove);
13225 if (appData.debugMode) {
13226 fprintf(debugFP, "EditPosDone\n");
13229 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13230 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13231 gameMode = EditGame;
13233 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13234 ClearHighlights(); /* [AS] */
13237 /* Pause for `ms' milliseconds */
13238 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13248 } while (SubtractTimeMarks(&m2, &m1) < ms);
13251 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13253 SendMultiLineToICS(buf)
13256 char temp[MSG_SIZ+1], *p;
13263 strncpy(temp, buf, len);
13268 if (*p == '\n' || *p == '\r')
13273 strcat(temp, "\n");
13275 SendToPlayer(temp, strlen(temp));
13279 SetWhiteToPlayEvent()
13281 if (gameMode == EditPosition) {
13282 blackPlaysFirst = FALSE;
13283 DisplayBothClocks(); /* works because currentMove is 0 */
13284 } else if (gameMode == IcsExamining) {
13285 SendToICS(ics_prefix);
13286 SendToICS("tomove white\n");
13291 SetBlackToPlayEvent()
13293 if (gameMode == EditPosition) {
13294 blackPlaysFirst = TRUE;
13295 currentMove = 1; /* kludge */
13296 DisplayBothClocks();
13298 } else if (gameMode == IcsExamining) {
13299 SendToICS(ics_prefix);
13300 SendToICS("tomove black\n");
13305 EditPositionMenuEvent(selection, x, y)
13306 ChessSquare selection;
13310 ChessSquare piece = boards[0][y][x];
13312 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13314 switch (selection) {
13316 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13317 SendToICS(ics_prefix);
13318 SendToICS("bsetup clear\n");
13319 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13320 SendToICS(ics_prefix);
13321 SendToICS("clearboard\n");
13323 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13324 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13325 for (y = 0; y < BOARD_HEIGHT; y++) {
13326 if (gameMode == IcsExamining) {
13327 if (boards[currentMove][y][x] != EmptySquare) {
13328 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13333 boards[0][y][x] = p;
13338 if (gameMode == EditPosition) {
13339 DrawPosition(FALSE, boards[0]);
13344 SetWhiteToPlayEvent();
13348 SetBlackToPlayEvent();
13352 if (gameMode == IcsExamining) {
13353 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13354 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13357 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13358 if(x == BOARD_LEFT-2) {
13359 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13360 boards[0][y][1] = 0;
13362 if(x == BOARD_RGHT+1) {
13363 if(y >= gameInfo.holdingsSize) break;
13364 boards[0][y][BOARD_WIDTH-2] = 0;
13367 boards[0][y][x] = EmptySquare;
13368 DrawPosition(FALSE, boards[0]);
13373 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13374 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13375 selection = (ChessSquare) (PROMOTED piece);
13376 } else if(piece == EmptySquare) selection = WhiteSilver;
13377 else selection = (ChessSquare)((int)piece - 1);
13381 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13382 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13383 selection = (ChessSquare) (DEMOTED piece);
13384 } else if(piece == EmptySquare) selection = BlackSilver;
13385 else selection = (ChessSquare)((int)piece + 1);
13390 if(gameInfo.variant == VariantShatranj ||
13391 gameInfo.variant == VariantXiangqi ||
13392 gameInfo.variant == VariantCourier ||
13393 gameInfo.variant == VariantMakruk )
13394 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13399 if(gameInfo.variant == VariantXiangqi)
13400 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13401 if(gameInfo.variant == VariantKnightmate)
13402 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13405 if (gameMode == IcsExamining) {
13406 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13407 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13408 PieceToChar(selection), AAA + x, ONE + y);
13411 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13413 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13414 n = PieceToNumber(selection - BlackPawn);
13415 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13416 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13417 boards[0][BOARD_HEIGHT-1-n][1]++;
13419 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13420 n = PieceToNumber(selection);
13421 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13422 boards[0][n][BOARD_WIDTH-1] = selection;
13423 boards[0][n][BOARD_WIDTH-2]++;
13426 boards[0][y][x] = selection;
13427 DrawPosition(TRUE, boards[0]);
13435 DropMenuEvent(selection, x, y)
13436 ChessSquare selection;
13439 ChessMove moveType;
13441 switch (gameMode) {
13442 case IcsPlayingWhite:
13443 case MachinePlaysBlack:
13444 if (!WhiteOnMove(currentMove)) {
13445 DisplayMoveError(_("It is Black's turn"));
13448 moveType = WhiteDrop;
13450 case IcsPlayingBlack:
13451 case MachinePlaysWhite:
13452 if (WhiteOnMove(currentMove)) {
13453 DisplayMoveError(_("It is White's turn"));
13456 moveType = BlackDrop;
13459 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13465 if (moveType == BlackDrop && selection < BlackPawn) {
13466 selection = (ChessSquare) ((int) selection
13467 + (int) BlackPawn - (int) WhitePawn);
13469 if (boards[currentMove][y][x] != EmptySquare) {
13470 DisplayMoveError(_("That square is occupied"));
13474 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13480 /* Accept a pending offer of any kind from opponent */
13482 if (appData.icsActive) {
13483 SendToICS(ics_prefix);
13484 SendToICS("accept\n");
13485 } else if (cmailMsgLoaded) {
13486 if (currentMove == cmailOldMove &&
13487 commentList[cmailOldMove] != NULL &&
13488 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13489 "Black offers a draw" : "White offers a draw")) {
13491 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13492 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13494 DisplayError(_("There is no pending offer on this move"), 0);
13495 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13498 /* Not used for offers from chess program */
13505 /* Decline a pending offer of any kind from opponent */
13507 if (appData.icsActive) {
13508 SendToICS(ics_prefix);
13509 SendToICS("decline\n");
13510 } else if (cmailMsgLoaded) {
13511 if (currentMove == cmailOldMove &&
13512 commentList[cmailOldMove] != NULL &&
13513 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13514 "Black offers a draw" : "White offers a draw")) {
13516 AppendComment(cmailOldMove, "Draw declined", TRUE);
13517 DisplayComment(cmailOldMove - 1, "Draw declined");
13520 DisplayError(_("There is no pending offer on this move"), 0);
13523 /* Not used for offers from chess program */
13530 /* Issue ICS rematch command */
13531 if (appData.icsActive) {
13532 SendToICS(ics_prefix);
13533 SendToICS("rematch\n");
13540 /* Call your opponent's flag (claim a win on time) */
13541 if (appData.icsActive) {
13542 SendToICS(ics_prefix);
13543 SendToICS("flag\n");
13545 switch (gameMode) {
13548 case MachinePlaysWhite:
13551 GameEnds(GameIsDrawn, "Both players ran out of time",
13554 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13556 DisplayError(_("Your opponent is not out of time"), 0);
13559 case MachinePlaysBlack:
13562 GameEnds(GameIsDrawn, "Both players ran out of time",
13565 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13567 DisplayError(_("Your opponent is not out of time"), 0);
13575 ClockClick(int which)
13576 { // [HGM] code moved to back-end from winboard.c
13577 if(which) { // black clock
13578 if (gameMode == EditPosition || gameMode == IcsExamining) {
13579 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13580 SetBlackToPlayEvent();
13581 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
13582 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
13583 } else if (shiftKey) {
13584 AdjustClock(which, -1);
13585 } else if (gameMode == IcsPlayingWhite ||
13586 gameMode == MachinePlaysBlack) {
13589 } else { // white clock
13590 if (gameMode == EditPosition || gameMode == IcsExamining) {
13591 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13592 SetWhiteToPlayEvent();
13593 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
13594 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
13595 } else if (shiftKey) {
13596 AdjustClock(which, -1);
13597 } else if (gameMode == IcsPlayingBlack ||
13598 gameMode == MachinePlaysWhite) {
13607 /* Offer draw or accept pending draw offer from opponent */
13609 if (appData.icsActive) {
13610 /* Note: tournament rules require draw offers to be
13611 made after you make your move but before you punch
13612 your clock. Currently ICS doesn't let you do that;
13613 instead, you immediately punch your clock after making
13614 a move, but you can offer a draw at any time. */
13616 SendToICS(ics_prefix);
13617 SendToICS("draw\n");
13618 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13619 } else if (cmailMsgLoaded) {
13620 if (currentMove == cmailOldMove &&
13621 commentList[cmailOldMove] != NULL &&
13622 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13623 "Black offers a draw" : "White offers a draw")) {
13624 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13625 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13626 } else if (currentMove == cmailOldMove + 1) {
13627 char *offer = WhiteOnMove(cmailOldMove) ?
13628 "White offers a draw" : "Black offers a draw";
13629 AppendComment(currentMove, offer, TRUE);
13630 DisplayComment(currentMove - 1, offer);
13631 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13633 DisplayError(_("You must make your move before offering a draw"), 0);
13634 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13636 } else if (first.offeredDraw) {
13637 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13639 if (first.sendDrawOffers) {
13640 SendToProgram("draw\n", &first);
13641 userOfferedDraw = TRUE;
13649 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13651 if (appData.icsActive) {
13652 SendToICS(ics_prefix);
13653 SendToICS("adjourn\n");
13655 /* Currently GNU Chess doesn't offer or accept Adjourns */
13663 /* Offer Abort or accept pending Abort offer from opponent */
13665 if (appData.icsActive) {
13666 SendToICS(ics_prefix);
13667 SendToICS("abort\n");
13669 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13676 /* Resign. You can do this even if it's not your turn. */
13678 if (appData.icsActive) {
13679 SendToICS(ics_prefix);
13680 SendToICS("resign\n");
13682 switch (gameMode) {
13683 case MachinePlaysWhite:
13684 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13686 case MachinePlaysBlack:
13687 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13690 if (cmailMsgLoaded) {
13692 if (WhiteOnMove(cmailOldMove)) {
13693 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13695 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13697 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13708 StopObservingEvent()
13710 /* Stop observing current games */
13711 SendToICS(ics_prefix);
13712 SendToICS("unobserve\n");
13716 StopExaminingEvent()
13718 /* Stop observing current game */
13719 SendToICS(ics_prefix);
13720 SendToICS("unexamine\n");
13724 ForwardInner(target)
13729 if (appData.debugMode)
13730 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13731 target, currentMove, forwardMostMove);
13733 if (gameMode == EditPosition)
13736 if (gameMode == PlayFromGameFile && !pausing)
13739 if (gameMode == IcsExamining && pausing)
13740 limit = pauseExamForwardMostMove;
13742 limit = forwardMostMove;
13744 if (target > limit) target = limit;
13746 if (target > 0 && moveList[target - 1][0]) {
13747 int fromX, fromY, toX, toY;
13748 toX = moveList[target - 1][2] - AAA;
13749 toY = moveList[target - 1][3] - ONE;
13750 if (moveList[target - 1][1] == '@') {
13751 if (appData.highlightLastMove) {
13752 SetHighlights(-1, -1, toX, toY);
13755 fromX = moveList[target - 1][0] - AAA;
13756 fromY = moveList[target - 1][1] - ONE;
13757 if (target == currentMove + 1) {
13758 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13760 if (appData.highlightLastMove) {
13761 SetHighlights(fromX, fromY, toX, toY);
13765 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13766 gameMode == Training || gameMode == PlayFromGameFile ||
13767 gameMode == AnalyzeFile) {
13768 while (currentMove < target) {
13769 SendMoveToProgram(currentMove++, &first);
13772 currentMove = target;
13775 if (gameMode == EditGame || gameMode == EndOfGame) {
13776 whiteTimeRemaining = timeRemaining[0][currentMove];
13777 blackTimeRemaining = timeRemaining[1][currentMove];
13779 DisplayBothClocks();
13780 DisplayMove(currentMove - 1);
13781 DrawPosition(FALSE, boards[currentMove]);
13782 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13783 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
13784 DisplayComment(currentMove - 1, commentList[currentMove]);
13786 DisplayBook(currentMove);
13793 if (gameMode == IcsExamining && !pausing) {
13794 SendToICS(ics_prefix);
13795 SendToICS("forward\n");
13797 ForwardInner(currentMove + 1);
13804 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13805 /* to optimze, we temporarily turn off analysis mode while we feed
13806 * the remaining moves to the engine. Otherwise we get analysis output
13809 if (first.analysisSupport) {
13810 SendToProgram("exit\nforce\n", &first);
13811 first.analyzing = FALSE;
13815 if (gameMode == IcsExamining && !pausing) {
13816 SendToICS(ics_prefix);
13817 SendToICS("forward 999999\n");
13819 ForwardInner(forwardMostMove);
13822 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13823 /* we have fed all the moves, so reactivate analysis mode */
13824 SendToProgram("analyze\n", &first);
13825 first.analyzing = TRUE;
13826 /*first.maybeThinking = TRUE;*/
13827 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13832 BackwardInner(target)
13835 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
13837 if (appData.debugMode)
13838 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
13839 target, currentMove, forwardMostMove);
13841 if (gameMode == EditPosition) return;
13842 if (currentMove <= backwardMostMove) {
13844 DrawPosition(full_redraw, boards[currentMove]);
13847 if (gameMode == PlayFromGameFile && !pausing)
13850 if (moveList[target][0]) {
13851 int fromX, fromY, toX, toY;
13852 toX = moveList[target][2] - AAA;
13853 toY = moveList[target][3] - ONE;
13854 if (moveList[target][1] == '@') {
13855 if (appData.highlightLastMove) {
13856 SetHighlights(-1, -1, toX, toY);
13859 fromX = moveList[target][0] - AAA;
13860 fromY = moveList[target][1] - ONE;
13861 if (target == currentMove - 1) {
13862 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
13864 if (appData.highlightLastMove) {
13865 SetHighlights(fromX, fromY, toX, toY);
13869 if (gameMode == EditGame || gameMode==AnalyzeMode ||
13870 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
13871 while (currentMove > target) {
13872 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
13873 // null move cannot be undone. Reload program with move history before it.
13875 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
13876 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
13878 SendBoard(&first, i);
13879 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
13882 SendToProgram("undo\n", &first);
13886 currentMove = target;
13889 if (gameMode == EditGame || gameMode == EndOfGame) {
13890 whiteTimeRemaining = timeRemaining[0][currentMove];
13891 blackTimeRemaining = timeRemaining[1][currentMove];
13893 DisplayBothClocks();
13894 DisplayMove(currentMove - 1);
13895 DrawPosition(full_redraw, boards[currentMove]);
13896 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13897 // [HGM] PV info: routine tests if comment empty
13898 DisplayComment(currentMove - 1, commentList[currentMove]);
13899 DisplayBook(currentMove);
13905 if (gameMode == IcsExamining && !pausing) {
13906 SendToICS(ics_prefix);
13907 SendToICS("backward\n");
13909 BackwardInner(currentMove - 1);
13916 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13917 /* to optimize, we temporarily turn off analysis mode while we undo
13918 * all the moves. Otherwise we get analysis output after each undo.
13920 if (first.analysisSupport) {
13921 SendToProgram("exit\nforce\n", &first);
13922 first.analyzing = FALSE;
13926 if (gameMode == IcsExamining && !pausing) {
13927 SendToICS(ics_prefix);
13928 SendToICS("backward 999999\n");
13930 BackwardInner(backwardMostMove);
13933 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13934 /* we have fed all the moves, so reactivate analysis mode */
13935 SendToProgram("analyze\n", &first);
13936 first.analyzing = TRUE;
13937 /*first.maybeThinking = TRUE;*/
13938 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13945 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
13946 if (to >= forwardMostMove) to = forwardMostMove;
13947 if (to <= backwardMostMove) to = backwardMostMove;
13948 if (to < currentMove) {
13956 RevertEvent(Boolean annotate)
13958 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
13961 if (gameMode != IcsExamining) {
13962 DisplayError(_("You are not examining a game"), 0);
13966 DisplayError(_("You can't revert while pausing"), 0);
13969 SendToICS(ics_prefix);
13970 SendToICS("revert\n");
13976 switch (gameMode) {
13977 case MachinePlaysWhite:
13978 case MachinePlaysBlack:
13979 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13980 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13983 if (forwardMostMove < 2) return;
13984 currentMove = forwardMostMove = forwardMostMove - 2;
13985 whiteTimeRemaining = timeRemaining[0][currentMove];
13986 blackTimeRemaining = timeRemaining[1][currentMove];
13987 DisplayBothClocks();
13988 DisplayMove(currentMove - 1);
13989 ClearHighlights();/*!! could figure this out*/
13990 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13991 SendToProgram("remove\n", &first);
13992 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13995 case BeginningOfGame:
13999 case IcsPlayingWhite:
14000 case IcsPlayingBlack:
14001 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14002 SendToICS(ics_prefix);
14003 SendToICS("takeback 2\n");
14005 SendToICS(ics_prefix);
14006 SendToICS("takeback 1\n");
14015 ChessProgramState *cps;
14017 switch (gameMode) {
14018 case MachinePlaysWhite:
14019 if (!WhiteOnMove(forwardMostMove)) {
14020 DisplayError(_("It is your turn"), 0);
14025 case MachinePlaysBlack:
14026 if (WhiteOnMove(forwardMostMove)) {
14027 DisplayError(_("It is your turn"), 0);
14032 case TwoMachinesPlay:
14033 if (WhiteOnMove(forwardMostMove) ==
14034 (first.twoMachinesColor[0] == 'w')) {
14040 case BeginningOfGame:
14044 SendToProgram("?\n", cps);
14048 TruncateGameEvent()
14051 if (gameMode != EditGame) return;
14058 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14059 if (forwardMostMove > currentMove) {
14060 if (gameInfo.resultDetails != NULL) {
14061 free(gameInfo.resultDetails);
14062 gameInfo.resultDetails = NULL;
14063 gameInfo.result = GameUnfinished;
14065 forwardMostMove = currentMove;
14066 HistorySet(parseList, backwardMostMove, forwardMostMove,
14074 if (appData.noChessProgram) return;
14075 switch (gameMode) {
14076 case MachinePlaysWhite:
14077 if (WhiteOnMove(forwardMostMove)) {
14078 DisplayError(_("Wait until your turn"), 0);
14082 case BeginningOfGame:
14083 case MachinePlaysBlack:
14084 if (!WhiteOnMove(forwardMostMove)) {
14085 DisplayError(_("Wait until your turn"), 0);
14090 DisplayError(_("No hint available"), 0);
14093 SendToProgram("hint\n", &first);
14094 hintRequested = TRUE;
14100 if (appData.noChessProgram) return;
14101 switch (gameMode) {
14102 case MachinePlaysWhite:
14103 if (WhiteOnMove(forwardMostMove)) {
14104 DisplayError(_("Wait until your turn"), 0);
14108 case BeginningOfGame:
14109 case MachinePlaysBlack:
14110 if (!WhiteOnMove(forwardMostMove)) {
14111 DisplayError(_("Wait until your turn"), 0);
14116 EditPositionDone(TRUE);
14118 case TwoMachinesPlay:
14123 SendToProgram("bk\n", &first);
14124 bookOutput[0] = NULLCHAR;
14125 bookRequested = TRUE;
14131 char *tags = PGNTags(&gameInfo);
14132 TagsPopUp(tags, CmailMsg());
14136 /* end button procedures */
14139 PrintPosition(fp, move)
14145 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14146 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14147 char c = PieceToChar(boards[move][i][j]);
14148 fputc(c == 'x' ? '.' : c, fp);
14149 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14152 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14153 fprintf(fp, "white to play\n");
14155 fprintf(fp, "black to play\n");
14162 if (gameInfo.white != NULL) {
14163 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14169 /* Find last component of program's own name, using some heuristics */
14171 TidyProgramName(prog, host, buf)
14172 char *prog, *host, buf[MSG_SIZ];
14175 int local = (strcmp(host, "localhost") == 0);
14176 while (!local && (p = strchr(prog, ';')) != NULL) {
14178 while (*p == ' ') p++;
14181 if (*prog == '"' || *prog == '\'') {
14182 q = strchr(prog + 1, *prog);
14184 q = strchr(prog, ' ');
14186 if (q == NULL) q = prog + strlen(prog);
14188 while (p >= prog && *p != '/' && *p != '\\') p--;
14190 if(p == prog && *p == '"') p++;
14191 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14192 memcpy(buf, p, q - p);
14193 buf[q - p] = NULLCHAR;
14201 TimeControlTagValue()
14204 if (!appData.clockMode) {
14205 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14206 } else if (movesPerSession > 0) {
14207 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14208 } else if (timeIncrement == 0) {
14209 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14211 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14213 return StrSave(buf);
14219 /* This routine is used only for certain modes */
14220 VariantClass v = gameInfo.variant;
14221 ChessMove r = GameUnfinished;
14224 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14225 r = gameInfo.result;
14226 p = gameInfo.resultDetails;
14227 gameInfo.resultDetails = NULL;
14229 ClearGameInfo(&gameInfo);
14230 gameInfo.variant = v;
14232 switch (gameMode) {
14233 case MachinePlaysWhite:
14234 gameInfo.event = StrSave( appData.pgnEventHeader );
14235 gameInfo.site = StrSave(HostName());
14236 gameInfo.date = PGNDate();
14237 gameInfo.round = StrSave("-");
14238 gameInfo.white = StrSave(first.tidy);
14239 gameInfo.black = StrSave(UserName());
14240 gameInfo.timeControl = TimeControlTagValue();
14243 case MachinePlaysBlack:
14244 gameInfo.event = StrSave( appData.pgnEventHeader );
14245 gameInfo.site = StrSave(HostName());
14246 gameInfo.date = PGNDate();
14247 gameInfo.round = StrSave("-");
14248 gameInfo.white = StrSave(UserName());
14249 gameInfo.black = StrSave(first.tidy);
14250 gameInfo.timeControl = TimeControlTagValue();
14253 case TwoMachinesPlay:
14254 gameInfo.event = StrSave( appData.pgnEventHeader );
14255 gameInfo.site = StrSave(HostName());
14256 gameInfo.date = PGNDate();
14259 snprintf(buf, MSG_SIZ, "%d", roundNr);
14260 gameInfo.round = StrSave(buf);
14262 gameInfo.round = StrSave("-");
14264 if (first.twoMachinesColor[0] == 'w') {
14265 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14266 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14268 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14269 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14271 gameInfo.timeControl = TimeControlTagValue();
14275 gameInfo.event = StrSave("Edited game");
14276 gameInfo.site = StrSave(HostName());
14277 gameInfo.date = PGNDate();
14278 gameInfo.round = StrSave("-");
14279 gameInfo.white = StrSave("-");
14280 gameInfo.black = StrSave("-");
14281 gameInfo.result = r;
14282 gameInfo.resultDetails = p;
14286 gameInfo.event = StrSave("Edited position");
14287 gameInfo.site = StrSave(HostName());
14288 gameInfo.date = PGNDate();
14289 gameInfo.round = StrSave("-");
14290 gameInfo.white = StrSave("-");
14291 gameInfo.black = StrSave("-");
14294 case IcsPlayingWhite:
14295 case IcsPlayingBlack:
14300 case PlayFromGameFile:
14301 gameInfo.event = StrSave("Game from non-PGN file");
14302 gameInfo.site = StrSave(HostName());
14303 gameInfo.date = PGNDate();
14304 gameInfo.round = StrSave("-");
14305 gameInfo.white = StrSave("?");
14306 gameInfo.black = StrSave("?");
14315 ReplaceComment(index, text)
14323 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14324 pvInfoList[index-1].depth == len &&
14325 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14326 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14327 while (*text == '\n') text++;
14328 len = strlen(text);
14329 while (len > 0 && text[len - 1] == '\n') len--;
14331 if (commentList[index] != NULL)
14332 free(commentList[index]);
14335 commentList[index] = NULL;
14338 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14339 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14340 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14341 commentList[index] = (char *) malloc(len + 2);
14342 strncpy(commentList[index], text, len);
14343 commentList[index][len] = '\n';
14344 commentList[index][len + 1] = NULLCHAR;
14346 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14348 commentList[index] = (char *) malloc(len + 7);
14349 safeStrCpy(commentList[index], "{\n", 3);
14350 safeStrCpy(commentList[index]+2, text, len+1);
14351 commentList[index][len+2] = NULLCHAR;
14352 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14353 strcat(commentList[index], "\n}\n");
14367 if (ch == '\r') continue;
14369 } while (ch != '\0');
14373 AppendComment(index, text, addBraces)
14376 Boolean addBraces; // [HGM] braces: tells if we should add {}
14381 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14382 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14385 while (*text == '\n') text++;
14386 len = strlen(text);
14387 while (len > 0 && text[len - 1] == '\n') len--;
14389 if (len == 0) return;
14391 if (commentList[index] != NULL) {
14392 old = commentList[index];
14393 oldlen = strlen(old);
14394 while(commentList[index][oldlen-1] == '\n')
14395 commentList[index][--oldlen] = NULLCHAR;
14396 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14397 safeStrCpy(commentList[index], old, oldlen + len + 6);
14399 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14400 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14401 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14402 while (*text == '\n') { text++; len--; }
14403 commentList[index][--oldlen] = NULLCHAR;
14405 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14406 else strcat(commentList[index], "\n");
14407 strcat(commentList[index], text);
14408 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14409 else strcat(commentList[index], "\n");
14411 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14413 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14414 else commentList[index][0] = NULLCHAR;
14415 strcat(commentList[index], text);
14416 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14417 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14421 static char * FindStr( char * text, char * sub_text )
14423 char * result = strstr( text, sub_text );
14425 if( result != NULL ) {
14426 result += strlen( sub_text );
14432 /* [AS] Try to extract PV info from PGN comment */
14433 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14434 char *GetInfoFromComment( int index, char * text )
14436 char * sep = text, *p;
14438 if( text != NULL && index > 0 ) {
14441 int time = -1, sec = 0, deci;
14442 char * s_eval = FindStr( text, "[%eval " );
14443 char * s_emt = FindStr( text, "[%emt " );
14445 if( s_eval != NULL || s_emt != NULL ) {
14449 if( s_eval != NULL ) {
14450 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14454 if( delim != ']' ) {
14459 if( s_emt != NULL ) {
14464 /* We expect something like: [+|-]nnn.nn/dd */
14467 if(*text != '{') return text; // [HGM] braces: must be normal comment
14469 sep = strchr( text, '/' );
14470 if( sep == NULL || sep < (text+4) ) {
14475 if(p[1] == '(') { // comment starts with PV
14476 p = strchr(p, ')'); // locate end of PV
14477 if(p == NULL || sep < p+5) return text;
14478 // at this point we have something like "{(.*) +0.23/6 ..."
14479 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14480 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14481 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14483 time = -1; sec = -1; deci = -1;
14484 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14485 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14486 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14487 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14491 if( score_lo < 0 || score_lo >= 100 ) {
14495 if(sec >= 0) time = 600*time + 10*sec; else
14496 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14498 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14500 /* [HGM] PV time: now locate end of PV info */
14501 while( *++sep >= '0' && *sep <= '9'); // strip depth
14503 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14505 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14507 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14508 while(*sep == ' ') sep++;
14519 pvInfoList[index-1].depth = depth;
14520 pvInfoList[index-1].score = score;
14521 pvInfoList[index-1].time = 10*time; // centi-sec
14522 if(*sep == '}') *sep = 0; else *--sep = '{';
14523 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14529 SendToProgram(message, cps)
14531 ChessProgramState *cps;
14533 int count, outCount, error;
14536 if (cps->pr == NULL) return;
14539 if (appData.debugMode) {
14542 fprintf(debugFP, "%ld >%-6s: %s",
14543 SubtractTimeMarks(&now, &programStartTime),
14544 cps->which, message);
14547 count = strlen(message);
14548 outCount = OutputToProcess(cps->pr, message, count, &error);
14549 if (outCount < count && !exiting
14550 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14551 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14552 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14553 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14554 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14555 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14556 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14557 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14559 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14560 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14561 gameInfo.result = res;
14563 gameInfo.resultDetails = StrSave(buf);
14565 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14566 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14571 ReceiveFromProgram(isr, closure, message, count, error)
14572 InputSourceRef isr;
14580 ChessProgramState *cps = (ChessProgramState *)closure;
14582 if (isr != cps->isr) return; /* Killed intentionally */
14585 RemoveInputSource(cps->isr);
14586 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14587 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14588 _(cps->which), cps->program);
14589 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14590 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14591 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14592 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14593 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14595 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14596 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14597 gameInfo.result = res;
14599 gameInfo.resultDetails = StrSave(buf);
14601 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14602 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14604 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14605 _(cps->which), cps->program);
14606 RemoveInputSource(cps->isr);
14608 /* [AS] Program is misbehaving badly... kill it */
14609 if( count == -2 ) {
14610 DestroyChildProcess( cps->pr, 9 );
14614 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14619 if ((end_str = strchr(message, '\r')) != NULL)
14620 *end_str = NULLCHAR;
14621 if ((end_str = strchr(message, '\n')) != NULL)
14622 *end_str = NULLCHAR;
14624 if (appData.debugMode) {
14625 TimeMark now; int print = 1;
14626 char *quote = ""; char c; int i;
14628 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14629 char start = message[0];
14630 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14631 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14632 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14633 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14634 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14635 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14636 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14637 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14638 sscanf(message, "hint: %c", &c)!=1 &&
14639 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14640 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14641 print = (appData.engineComments >= 2);
14643 message[0] = start; // restore original message
14647 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14648 SubtractTimeMarks(&now, &programStartTime), cps->which,
14654 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14655 if (appData.icsEngineAnalyze) {
14656 if (strstr(message, "whisper") != NULL ||
14657 strstr(message, "kibitz") != NULL ||
14658 strstr(message, "tellics") != NULL) return;
14661 HandleMachineMove(message, cps);
14666 SendTimeControl(cps, mps, tc, inc, sd, st)
14667 ChessProgramState *cps;
14668 int mps, inc, sd, st;
14674 if( timeControl_2 > 0 ) {
14675 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14676 tc = timeControl_2;
14679 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14680 inc /= cps->timeOdds;
14681 st /= cps->timeOdds;
14683 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14686 /* Set exact time per move, normally using st command */
14687 if (cps->stKludge) {
14688 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14690 if (seconds == 0) {
14691 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14693 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14696 snprintf(buf, MSG_SIZ, "st %d\n", st);
14699 /* Set conventional or incremental time control, using level command */
14700 if (seconds == 0) {
14701 /* Note old gnuchess bug -- minutes:seconds used to not work.
14702 Fixed in later versions, but still avoid :seconds
14703 when seconds is 0. */
14704 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14706 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14707 seconds, inc/1000.);
14710 SendToProgram(buf, cps);
14712 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14713 /* Orthogonally, limit search to given depth */
14715 if (cps->sdKludge) {
14716 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14718 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14720 SendToProgram(buf, cps);
14723 if(cps->nps >= 0) { /* [HGM] nps */
14724 if(cps->supportsNPS == FALSE)
14725 cps->nps = -1; // don't use if engine explicitly says not supported!
14727 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14728 SendToProgram(buf, cps);
14733 ChessProgramState *WhitePlayer()
14734 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14736 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14737 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14743 SendTimeRemaining(cps, machineWhite)
14744 ChessProgramState *cps;
14745 int /*boolean*/ machineWhite;
14747 char message[MSG_SIZ];
14750 /* Note: this routine must be called when the clocks are stopped
14751 or when they have *just* been set or switched; otherwise
14752 it will be off by the time since the current tick started.
14754 if (machineWhite) {
14755 time = whiteTimeRemaining / 10;
14756 otime = blackTimeRemaining / 10;
14758 time = blackTimeRemaining / 10;
14759 otime = whiteTimeRemaining / 10;
14761 /* [HGM] translate opponent's time by time-odds factor */
14762 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14763 if (appData.debugMode) {
14764 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14767 if (time <= 0) time = 1;
14768 if (otime <= 0) otime = 1;
14770 snprintf(message, MSG_SIZ, "time %ld\n", time);
14771 SendToProgram(message, cps);
14773 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
14774 SendToProgram(message, cps);
14778 BoolFeature(p, name, loc, cps)
14782 ChessProgramState *cps;
14785 int len = strlen(name);
14788 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14790 sscanf(*p, "%d", &val);
14792 while (**p && **p != ' ')
14794 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14795 SendToProgram(buf, cps);
14802 IntFeature(p, name, loc, cps)
14806 ChessProgramState *cps;
14809 int len = strlen(name);
14810 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14812 sscanf(*p, "%d", loc);
14813 while (**p && **p != ' ') (*p)++;
14814 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14815 SendToProgram(buf, cps);
14822 StringFeature(p, name, loc, cps)
14826 ChessProgramState *cps;
14829 int len = strlen(name);
14830 if (strncmp((*p), name, len) == 0
14831 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
14833 sscanf(*p, "%[^\"]", loc);
14834 while (**p && **p != '\"') (*p)++;
14835 if (**p == '\"') (*p)++;
14836 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14837 SendToProgram(buf, cps);
14844 ParseOption(Option *opt, ChessProgramState *cps)
14845 // [HGM] options: process the string that defines an engine option, and determine
14846 // name, type, default value, and allowed value range
14848 char *p, *q, buf[MSG_SIZ];
14849 int n, min = (-1)<<31, max = 1<<31, def;
14851 if(p = strstr(opt->name, " -spin ")) {
14852 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14853 if(max < min) max = min; // enforce consistency
14854 if(def < min) def = min;
14855 if(def > max) def = max;
14860 } else if((p = strstr(opt->name, " -slider "))) {
14861 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
14862 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14863 if(max < min) max = min; // enforce consistency
14864 if(def < min) def = min;
14865 if(def > max) def = max;
14869 opt->type = Spin; // Slider;
14870 } else if((p = strstr(opt->name, " -string "))) {
14871 opt->textValue = p+9;
14872 opt->type = TextBox;
14873 } else if((p = strstr(opt->name, " -file "))) {
14874 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14875 opt->textValue = p+7;
14876 opt->type = FileName; // FileName;
14877 } else if((p = strstr(opt->name, " -path "))) {
14878 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14879 opt->textValue = p+7;
14880 opt->type = PathName; // PathName;
14881 } else if(p = strstr(opt->name, " -check ")) {
14882 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
14883 opt->value = (def != 0);
14884 opt->type = CheckBox;
14885 } else if(p = strstr(opt->name, " -combo ")) {
14886 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
14887 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
14888 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
14889 opt->value = n = 0;
14890 while(q = StrStr(q, " /// ")) {
14891 n++; *q = 0; // count choices, and null-terminate each of them
14893 if(*q == '*') { // remember default, which is marked with * prefix
14897 cps->comboList[cps->comboCnt++] = q;
14899 cps->comboList[cps->comboCnt++] = NULL;
14901 opt->type = ComboBox;
14902 } else if(p = strstr(opt->name, " -button")) {
14903 opt->type = Button;
14904 } else if(p = strstr(opt->name, " -save")) {
14905 opt->type = SaveButton;
14906 } else return FALSE;
14907 *p = 0; // terminate option name
14908 // now look if the command-line options define a setting for this engine option.
14909 if(cps->optionSettings && cps->optionSettings[0])
14910 p = strstr(cps->optionSettings, opt->name); else p = NULL;
14911 if(p && (p == cps->optionSettings || p[-1] == ',')) {
14912 snprintf(buf, MSG_SIZ, "option %s", p);
14913 if(p = strstr(buf, ",")) *p = 0;
14914 if(q = strchr(buf, '=')) switch(opt->type) {
14916 for(n=0; n<opt->max; n++)
14917 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
14920 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
14924 opt->value = atoi(q+1);
14929 SendToProgram(buf, cps);
14935 FeatureDone(cps, val)
14936 ChessProgramState* cps;
14939 DelayedEventCallback cb = GetDelayedEvent();
14940 if ((cb == InitBackEnd3 && cps == &first) ||
14941 (cb == SettingsMenuIfReady && cps == &second) ||
14942 (cb == LoadEngine) ||
14943 (cb == TwoMachinesEventIfReady)) {
14944 CancelDelayedEvent();
14945 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
14947 cps->initDone = val;
14950 /* Parse feature command from engine */
14952 ParseFeatures(args, cps)
14954 ChessProgramState *cps;
14962 while (*p == ' ') p++;
14963 if (*p == NULLCHAR) return;
14965 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
14966 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
14967 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
14968 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
14969 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
14970 if (BoolFeature(&p, "reuse", &val, cps)) {
14971 /* Engine can disable reuse, but can't enable it if user said no */
14972 if (!val) cps->reuse = FALSE;
14975 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
14976 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
14977 if (gameMode == TwoMachinesPlay) {
14978 DisplayTwoMachinesTitle();
14984 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
14985 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
14986 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
14987 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
14988 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
14989 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
14990 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
14991 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14992 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14993 if (IntFeature(&p, "done", &val, cps)) {
14994 FeatureDone(cps, val);
14997 /* Added by Tord: */
14998 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14999 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15000 /* End of additions by Tord */
15002 /* [HGM] added features: */
15003 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15004 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15005 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15006 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15007 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15008 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15009 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15010 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15011 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15012 SendToProgram(buf, cps);
15015 if(cps->nrOptions >= MAX_OPTIONS) {
15017 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15018 DisplayError(buf, 0);
15022 /* End of additions by HGM */
15024 /* unknown feature: complain and skip */
15026 while (*q && *q != '=') q++;
15027 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15028 SendToProgram(buf, cps);
15034 while (*p && *p != '\"') p++;
15035 if (*p == '\"') p++;
15037 while (*p && *p != ' ') p++;
15045 PeriodicUpdatesEvent(newState)
15048 if (newState == appData.periodicUpdates)
15051 appData.periodicUpdates=newState;
15053 /* Display type changes, so update it now */
15054 // DisplayAnalysis();
15056 /* Get the ball rolling again... */
15058 AnalysisPeriodicEvent(1);
15059 StartAnalysisClock();
15064 PonderNextMoveEvent(newState)
15067 if (newState == appData.ponderNextMove) return;
15068 if (gameMode == EditPosition) EditPositionDone(TRUE);
15070 SendToProgram("hard\n", &first);
15071 if (gameMode == TwoMachinesPlay) {
15072 SendToProgram("hard\n", &second);
15075 SendToProgram("easy\n", &first);
15076 thinkOutput[0] = NULLCHAR;
15077 if (gameMode == TwoMachinesPlay) {
15078 SendToProgram("easy\n", &second);
15081 appData.ponderNextMove = newState;
15085 NewSettingEvent(option, feature, command, value)
15087 int option, value, *feature;
15091 if (gameMode == EditPosition) EditPositionDone(TRUE);
15092 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15093 if(feature == NULL || *feature) SendToProgram(buf, &first);
15094 if (gameMode == TwoMachinesPlay) {
15095 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15100 ShowThinkingEvent()
15101 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15103 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15104 int newState = appData.showThinking
15105 // [HGM] thinking: other features now need thinking output as well
15106 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15108 if (oldState == newState) return;
15109 oldState = newState;
15110 if (gameMode == EditPosition) EditPositionDone(TRUE);
15112 SendToProgram("post\n", &first);
15113 if (gameMode == TwoMachinesPlay) {
15114 SendToProgram("post\n", &second);
15117 SendToProgram("nopost\n", &first);
15118 thinkOutput[0] = NULLCHAR;
15119 if (gameMode == TwoMachinesPlay) {
15120 SendToProgram("nopost\n", &second);
15123 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15127 AskQuestionEvent(title, question, replyPrefix, which)
15128 char *title; char *question; char *replyPrefix; char *which;
15130 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15131 if (pr == NoProc) return;
15132 AskQuestion(title, question, replyPrefix, pr);
15136 TypeInEvent(char firstChar)
15138 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15139 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15140 gameMode == AnalyzeMode || gameMode == EditGame ||
15141 gameMode == EditPosition || gameMode == IcsExamining ||
15142 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15143 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15144 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15145 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15146 gameMode == Training) PopUpMoveDialog(firstChar);
15150 TypeInDoneEvent(char *move)
15153 int n, fromX, fromY, toX, toY;
15155 ChessMove moveType;
15158 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15159 EditPositionPasteFEN(move);
15162 // [HGM] movenum: allow move number to be typed in any mode
15163 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15168 if (gameMode != EditGame && currentMove != forwardMostMove &&
15169 gameMode != Training) {
15170 DisplayMoveError(_("Displayed move is not current"));
15172 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15173 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15174 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15175 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15176 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15177 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15179 DisplayMoveError(_("Could not parse move"));
15185 DisplayMove(moveNumber)
15188 char message[MSG_SIZ];
15190 char cpThinkOutput[MSG_SIZ];
15192 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15194 if (moveNumber == forwardMostMove - 1 ||
15195 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15197 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15199 if (strchr(cpThinkOutput, '\n')) {
15200 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15203 *cpThinkOutput = NULLCHAR;
15206 /* [AS] Hide thinking from human user */
15207 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15208 *cpThinkOutput = NULLCHAR;
15209 if( thinkOutput[0] != NULLCHAR ) {
15212 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15213 cpThinkOutput[i] = '.';
15215 cpThinkOutput[i] = NULLCHAR;
15216 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15220 if (moveNumber == forwardMostMove - 1 &&
15221 gameInfo.resultDetails != NULL) {
15222 if (gameInfo.resultDetails[0] == NULLCHAR) {
15223 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15225 snprintf(res, MSG_SIZ, " {%s} %s",
15226 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15232 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15233 DisplayMessage(res, cpThinkOutput);
15235 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15236 WhiteOnMove(moveNumber) ? " " : ".. ",
15237 parseList[moveNumber], res);
15238 DisplayMessage(message, cpThinkOutput);
15243 DisplayComment(moveNumber, text)
15247 char title[MSG_SIZ];
15249 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15250 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15252 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15253 WhiteOnMove(moveNumber) ? " " : ".. ",
15254 parseList[moveNumber]);
15256 if (text != NULL && (appData.autoDisplayComment || commentUp))
15257 CommentPopUp(title, text);
15260 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15261 * might be busy thinking or pondering. It can be omitted if your
15262 * gnuchess is configured to stop thinking immediately on any user
15263 * input. However, that gnuchess feature depends on the FIONREAD
15264 * ioctl, which does not work properly on some flavors of Unix.
15268 ChessProgramState *cps;
15271 if (!cps->useSigint) return;
15272 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15273 switch (gameMode) {
15274 case MachinePlaysWhite:
15275 case MachinePlaysBlack:
15276 case TwoMachinesPlay:
15277 case IcsPlayingWhite:
15278 case IcsPlayingBlack:
15281 /* Skip if we know it isn't thinking */
15282 if (!cps->maybeThinking) return;
15283 if (appData.debugMode)
15284 fprintf(debugFP, "Interrupting %s\n", cps->which);
15285 InterruptChildProcess(cps->pr);
15286 cps->maybeThinking = FALSE;
15291 #endif /*ATTENTION*/
15297 if (whiteTimeRemaining <= 0) {
15300 if (appData.icsActive) {
15301 if (appData.autoCallFlag &&
15302 gameMode == IcsPlayingBlack && !blackFlag) {
15303 SendToICS(ics_prefix);
15304 SendToICS("flag\n");
15308 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15310 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15311 if (appData.autoCallFlag) {
15312 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15319 if (blackTimeRemaining <= 0) {
15322 if (appData.icsActive) {
15323 if (appData.autoCallFlag &&
15324 gameMode == IcsPlayingWhite && !whiteFlag) {
15325 SendToICS(ics_prefix);
15326 SendToICS("flag\n");
15330 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15332 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15333 if (appData.autoCallFlag) {
15334 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15347 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15348 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15351 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15353 if ( !WhiteOnMove(forwardMostMove) ) {
15354 /* White made time control */
15355 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15356 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15357 /* [HGM] time odds: correct new time quota for time odds! */
15358 / WhitePlayer()->timeOdds;
15359 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15361 lastBlack -= blackTimeRemaining;
15362 /* Black made time control */
15363 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15364 / WhitePlayer()->other->timeOdds;
15365 lastWhite = whiteTimeRemaining;
15370 DisplayBothClocks()
15372 int wom = gameMode == EditPosition ?
15373 !blackPlaysFirst : WhiteOnMove(currentMove);
15374 DisplayWhiteClock(whiteTimeRemaining, wom);
15375 DisplayBlackClock(blackTimeRemaining, !wom);
15379 /* Timekeeping seems to be a portability nightmare. I think everyone
15380 has ftime(), but I'm really not sure, so I'm including some ifdefs
15381 to use other calls if you don't. Clocks will be less accurate if
15382 you have neither ftime nor gettimeofday.
15385 /* VS 2008 requires the #include outside of the function */
15386 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15387 #include <sys/timeb.h>
15390 /* Get the current time as a TimeMark */
15395 #if HAVE_GETTIMEOFDAY
15397 struct timeval timeVal;
15398 struct timezone timeZone;
15400 gettimeofday(&timeVal, &timeZone);
15401 tm->sec = (long) timeVal.tv_sec;
15402 tm->ms = (int) (timeVal.tv_usec / 1000L);
15404 #else /*!HAVE_GETTIMEOFDAY*/
15407 // include <sys/timeb.h> / moved to just above start of function
15408 struct timeb timeB;
15411 tm->sec = (long) timeB.time;
15412 tm->ms = (int) timeB.millitm;
15414 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15415 tm->sec = (long) time(NULL);
15421 /* Return the difference in milliseconds between two
15422 time marks. We assume the difference will fit in a long!
15425 SubtractTimeMarks(tm2, tm1)
15426 TimeMark *tm2, *tm1;
15428 return 1000L*(tm2->sec - tm1->sec) +
15429 (long) (tm2->ms - tm1->ms);
15434 * Code to manage the game clocks.
15436 * In tournament play, black starts the clock and then white makes a move.
15437 * We give the human user a slight advantage if he is playing white---the
15438 * clocks don't run until he makes his first move, so it takes zero time.
15439 * Also, we don't account for network lag, so we could get out of sync
15440 * with GNU Chess's clock -- but then, referees are always right.
15443 static TimeMark tickStartTM;
15444 static long intendedTickLength;
15447 NextTickLength(timeRemaining)
15448 long timeRemaining;
15450 long nominalTickLength, nextTickLength;
15452 if (timeRemaining > 0L && timeRemaining <= 10000L)
15453 nominalTickLength = 100L;
15455 nominalTickLength = 1000L;
15456 nextTickLength = timeRemaining % nominalTickLength;
15457 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15459 return nextTickLength;
15462 /* Adjust clock one minute up or down */
15464 AdjustClock(Boolean which, int dir)
15466 if(which) blackTimeRemaining += 60000*dir;
15467 else whiteTimeRemaining += 60000*dir;
15468 DisplayBothClocks();
15471 /* Stop clocks and reset to a fresh time control */
15475 (void) StopClockTimer();
15476 if (appData.icsActive) {
15477 whiteTimeRemaining = blackTimeRemaining = 0;
15478 } else if (searchTime) {
15479 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15480 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15481 } else { /* [HGM] correct new time quote for time odds */
15482 whiteTC = blackTC = fullTimeControlString;
15483 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15484 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15486 if (whiteFlag || blackFlag) {
15488 whiteFlag = blackFlag = FALSE;
15490 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15491 DisplayBothClocks();
15494 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15496 /* Decrement running clock by amount of time that has passed */
15500 long timeRemaining;
15501 long lastTickLength, fudge;
15504 if (!appData.clockMode) return;
15505 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15509 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15511 /* Fudge if we woke up a little too soon */
15512 fudge = intendedTickLength - lastTickLength;
15513 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15515 if (WhiteOnMove(forwardMostMove)) {
15516 if(whiteNPS >= 0) lastTickLength = 0;
15517 timeRemaining = whiteTimeRemaining -= lastTickLength;
15518 if(timeRemaining < 0 && !appData.icsActive) {
15519 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15520 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15521 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15522 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15525 DisplayWhiteClock(whiteTimeRemaining - fudge,
15526 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15528 if(blackNPS >= 0) lastTickLength = 0;
15529 timeRemaining = blackTimeRemaining -= lastTickLength;
15530 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15531 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15533 blackStartMove = forwardMostMove;
15534 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15537 DisplayBlackClock(blackTimeRemaining - fudge,
15538 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15540 if (CheckFlags()) return;
15543 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15544 StartClockTimer(intendedTickLength);
15546 /* if the time remaining has fallen below the alarm threshold, sound the
15547 * alarm. if the alarm has sounded and (due to a takeback or time control
15548 * with increment) the time remaining has increased to a level above the
15549 * threshold, reset the alarm so it can sound again.
15552 if (appData.icsActive && appData.icsAlarm) {
15554 /* make sure we are dealing with the user's clock */
15555 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15556 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15559 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15560 alarmSounded = FALSE;
15561 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15563 alarmSounded = TRUE;
15569 /* A player has just moved, so stop the previously running
15570 clock and (if in clock mode) start the other one.
15571 We redisplay both clocks in case we're in ICS mode, because
15572 ICS gives us an update to both clocks after every move.
15573 Note that this routine is called *after* forwardMostMove
15574 is updated, so the last fractional tick must be subtracted
15575 from the color that is *not* on move now.
15578 SwitchClocks(int newMoveNr)
15580 long lastTickLength;
15582 int flagged = FALSE;
15586 if (StopClockTimer() && appData.clockMode) {
15587 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15588 if (!WhiteOnMove(forwardMostMove)) {
15589 if(blackNPS >= 0) lastTickLength = 0;
15590 blackTimeRemaining -= lastTickLength;
15591 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15592 // if(pvInfoList[forwardMostMove].time == -1)
15593 pvInfoList[forwardMostMove].time = // use GUI time
15594 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15596 if(whiteNPS >= 0) lastTickLength = 0;
15597 whiteTimeRemaining -= lastTickLength;
15598 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15599 // if(pvInfoList[forwardMostMove].time == -1)
15600 pvInfoList[forwardMostMove].time =
15601 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15603 flagged = CheckFlags();
15605 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15606 CheckTimeControl();
15608 if (flagged || !appData.clockMode) return;
15610 switch (gameMode) {
15611 case MachinePlaysBlack:
15612 case MachinePlaysWhite:
15613 case BeginningOfGame:
15614 if (pausing) return;
15618 case PlayFromGameFile:
15626 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15627 if(WhiteOnMove(forwardMostMove))
15628 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15629 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15633 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15634 whiteTimeRemaining : blackTimeRemaining);
15635 StartClockTimer(intendedTickLength);
15639 /* Stop both clocks */
15643 long lastTickLength;
15646 if (!StopClockTimer()) return;
15647 if (!appData.clockMode) return;
15651 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15652 if (WhiteOnMove(forwardMostMove)) {
15653 if(whiteNPS >= 0) lastTickLength = 0;
15654 whiteTimeRemaining -= lastTickLength;
15655 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15657 if(blackNPS >= 0) lastTickLength = 0;
15658 blackTimeRemaining -= lastTickLength;
15659 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15664 /* Start clock of player on move. Time may have been reset, so
15665 if clock is already running, stop and restart it. */
15669 (void) StopClockTimer(); /* in case it was running already */
15670 DisplayBothClocks();
15671 if (CheckFlags()) return;
15673 if (!appData.clockMode) return;
15674 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15676 GetTimeMark(&tickStartTM);
15677 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15678 whiteTimeRemaining : blackTimeRemaining);
15680 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15681 whiteNPS = blackNPS = -1;
15682 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15683 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15684 whiteNPS = first.nps;
15685 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15686 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15687 blackNPS = first.nps;
15688 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15689 whiteNPS = second.nps;
15690 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15691 blackNPS = second.nps;
15692 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15694 StartClockTimer(intendedTickLength);
15701 long second, minute, hour, day;
15703 static char buf[32];
15705 if (ms > 0 && ms <= 9900) {
15706 /* convert milliseconds to tenths, rounding up */
15707 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15709 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15713 /* convert milliseconds to seconds, rounding up */
15714 /* use floating point to avoid strangeness of integer division
15715 with negative dividends on many machines */
15716 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15723 day = second / (60 * 60 * 24);
15724 second = second % (60 * 60 * 24);
15725 hour = second / (60 * 60);
15726 second = second % (60 * 60);
15727 minute = second / 60;
15728 second = second % 60;
15731 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15732 sign, day, hour, minute, second);
15734 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15736 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15743 * This is necessary because some C libraries aren't ANSI C compliant yet.
15746 StrStr(string, match)
15747 char *string, *match;
15751 length = strlen(match);
15753 for (i = strlen(string) - length; i >= 0; i--, string++)
15754 if (!strncmp(match, string, length))
15761 StrCaseStr(string, match)
15762 char *string, *match;
15766 length = strlen(match);
15768 for (i = strlen(string) - length; i >= 0; i--, string++) {
15769 for (j = 0; j < length; j++) {
15770 if (ToLower(match[j]) != ToLower(string[j]))
15773 if (j == length) return string;
15787 c1 = ToLower(*s1++);
15788 c2 = ToLower(*s2++);
15789 if (c1 > c2) return 1;
15790 if (c1 < c2) return -1;
15791 if (c1 == NULLCHAR) return 0;
15800 return isupper(c) ? tolower(c) : c;
15808 return islower(c) ? toupper(c) : c;
15810 #endif /* !_amigados */
15818 if ((ret = (char *) malloc(strlen(s) + 1)))
15820 safeStrCpy(ret, s, strlen(s)+1);
15826 StrSavePtr(s, savePtr)
15827 char *s, **savePtr;
15832 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
15833 safeStrCpy(*savePtr, s, strlen(s)+1);
15845 clock = time((time_t *)NULL);
15846 tm = localtime(&clock);
15847 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
15848 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
15849 return StrSave(buf);
15854 PositionToFEN(move, overrideCastling)
15856 char *overrideCastling;
15858 int i, j, fromX, fromY, toX, toY;
15865 whiteToPlay = (gameMode == EditPosition) ?
15866 !blackPlaysFirst : (move % 2 == 0);
15869 /* Piece placement data */
15870 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15871 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
15873 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15874 if (boards[move][i][j] == EmptySquare) {
15876 } else { ChessSquare piece = boards[move][i][j];
15877 if (emptycount > 0) {
15878 if(emptycount<10) /* [HGM] can be >= 10 */
15879 *p++ = '0' + emptycount;
15880 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15883 if(PieceToChar(piece) == '+') {
15884 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
15886 piece = (ChessSquare)(DEMOTED piece);
15888 *p++ = PieceToChar(piece);
15890 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
15891 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
15896 if (emptycount > 0) {
15897 if(emptycount<10) /* [HGM] can be >= 10 */
15898 *p++ = '0' + emptycount;
15899 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15906 /* [HGM] print Crazyhouse or Shogi holdings */
15907 if( gameInfo.holdingsWidth ) {
15908 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
15910 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
15911 piece = boards[move][i][BOARD_WIDTH-1];
15912 if( piece != EmptySquare )
15913 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
15914 *p++ = PieceToChar(piece);
15916 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
15917 piece = boards[move][BOARD_HEIGHT-i-1][0];
15918 if( piece != EmptySquare )
15919 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
15920 *p++ = PieceToChar(piece);
15923 if( q == p ) *p++ = '-';
15929 *p++ = whiteToPlay ? 'w' : 'b';
15932 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
15933 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
15935 if(nrCastlingRights) {
15937 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
15938 /* [HGM] write directly from rights */
15939 if(boards[move][CASTLING][2] != NoRights &&
15940 boards[move][CASTLING][0] != NoRights )
15941 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
15942 if(boards[move][CASTLING][2] != NoRights &&
15943 boards[move][CASTLING][1] != NoRights )
15944 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
15945 if(boards[move][CASTLING][5] != NoRights &&
15946 boards[move][CASTLING][3] != NoRights )
15947 *p++ = boards[move][CASTLING][3] + AAA;
15948 if(boards[move][CASTLING][5] != NoRights &&
15949 boards[move][CASTLING][4] != NoRights )
15950 *p++ = boards[move][CASTLING][4] + AAA;
15953 /* [HGM] write true castling rights */
15954 if( nrCastlingRights == 6 ) {
15955 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
15956 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
15957 if(boards[move][CASTLING][1] == BOARD_LEFT &&
15958 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
15959 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
15960 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
15961 if(boards[move][CASTLING][4] == BOARD_LEFT &&
15962 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
15965 if (q == p) *p++ = '-'; /* No castling rights */
15969 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15970 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15971 /* En passant target square */
15972 if (move > backwardMostMove) {
15973 fromX = moveList[move - 1][0] - AAA;
15974 fromY = moveList[move - 1][1] - ONE;
15975 toX = moveList[move - 1][2] - AAA;
15976 toY = moveList[move - 1][3] - ONE;
15977 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
15978 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
15979 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
15981 /* 2-square pawn move just happened */
15983 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15987 } else if(move == backwardMostMove) {
15988 // [HGM] perhaps we should always do it like this, and forget the above?
15989 if((signed char)boards[move][EP_STATUS] >= 0) {
15990 *p++ = boards[move][EP_STATUS] + AAA;
15991 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16002 /* [HGM] find reversible plies */
16003 { int i = 0, j=move;
16005 if (appData.debugMode) { int k;
16006 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16007 for(k=backwardMostMove; k<=forwardMostMove; k++)
16008 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16012 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16013 if( j == backwardMostMove ) i += initialRulePlies;
16014 sprintf(p, "%d ", i);
16015 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16017 /* Fullmove number */
16018 sprintf(p, "%d", (move / 2) + 1);
16020 return StrSave(buf);
16024 ParseFEN(board, blackPlaysFirst, fen)
16026 int *blackPlaysFirst;
16036 /* [HGM] by default clear Crazyhouse holdings, if present */
16037 if(gameInfo.holdingsWidth) {
16038 for(i=0; i<BOARD_HEIGHT; i++) {
16039 board[i][0] = EmptySquare; /* black holdings */
16040 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16041 board[i][1] = (ChessSquare) 0; /* black counts */
16042 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16046 /* Piece placement data */
16047 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16050 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16051 if (*p == '/') p++;
16052 emptycount = gameInfo.boardWidth - j;
16053 while (emptycount--)
16054 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16056 #if(BOARD_FILES >= 10)
16057 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16058 p++; emptycount=10;
16059 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16060 while (emptycount--)
16061 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16063 } else if (isdigit(*p)) {
16064 emptycount = *p++ - '0';
16065 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16066 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16067 while (emptycount--)
16068 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16069 } else if (*p == '+' || isalpha(*p)) {
16070 if (j >= gameInfo.boardWidth) return FALSE;
16072 piece = CharToPiece(*++p);
16073 if(piece == EmptySquare) return FALSE; /* unknown piece */
16074 piece = (ChessSquare) (PROMOTED piece ); p++;
16075 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16076 } else piece = CharToPiece(*p++);
16078 if(piece==EmptySquare) return FALSE; /* unknown piece */
16079 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16080 piece = (ChessSquare) (PROMOTED piece);
16081 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16084 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16090 while (*p == '/' || *p == ' ') p++;
16092 /* [HGM] look for Crazyhouse holdings here */
16093 while(*p==' ') p++;
16094 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16096 if(*p == '-' ) p++; /* empty holdings */ else {
16097 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16098 /* if we would allow FEN reading to set board size, we would */
16099 /* have to add holdings and shift the board read so far here */
16100 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16102 if((int) piece >= (int) BlackPawn ) {
16103 i = (int)piece - (int)BlackPawn;
16104 i = PieceToNumber((ChessSquare)i);
16105 if( i >= gameInfo.holdingsSize ) return FALSE;
16106 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16107 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16109 i = (int)piece - (int)WhitePawn;
16110 i = PieceToNumber((ChessSquare)i);
16111 if( i >= gameInfo.holdingsSize ) return FALSE;
16112 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16113 board[i][BOARD_WIDTH-2]++; /* black holdings */
16120 while(*p == ' ') p++;
16124 if(appData.colorNickNames) {
16125 if( c == appData.colorNickNames[0] ) c = 'w'; else
16126 if( c == appData.colorNickNames[1] ) c = 'b';
16130 *blackPlaysFirst = FALSE;
16133 *blackPlaysFirst = TRUE;
16139 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16140 /* return the extra info in global variiables */
16142 /* set defaults in case FEN is incomplete */
16143 board[EP_STATUS] = EP_UNKNOWN;
16144 for(i=0; i<nrCastlingRights; i++ ) {
16145 board[CASTLING][i] =
16146 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16147 } /* assume possible unless obviously impossible */
16148 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16149 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16150 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16151 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16152 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16153 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16154 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16155 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16158 while(*p==' ') p++;
16159 if(nrCastlingRights) {
16160 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16161 /* castling indicator present, so default becomes no castlings */
16162 for(i=0; i<nrCastlingRights; i++ ) {
16163 board[CASTLING][i] = NoRights;
16166 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16167 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16168 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16169 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16170 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16172 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16173 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16174 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16176 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16177 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16178 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16179 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16180 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16181 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16184 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16185 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16186 board[CASTLING][2] = whiteKingFile;
16189 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16190 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16191 board[CASTLING][2] = whiteKingFile;
16194 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16195 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16196 board[CASTLING][5] = blackKingFile;
16199 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16200 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16201 board[CASTLING][5] = blackKingFile;
16204 default: /* FRC castlings */
16205 if(c >= 'a') { /* black rights */
16206 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16207 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16208 if(i == BOARD_RGHT) break;
16209 board[CASTLING][5] = i;
16211 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16212 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16214 board[CASTLING][3] = c;
16216 board[CASTLING][4] = c;
16217 } else { /* white rights */
16218 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16219 if(board[0][i] == WhiteKing) break;
16220 if(i == BOARD_RGHT) break;
16221 board[CASTLING][2] = i;
16222 c -= AAA - 'a' + 'A';
16223 if(board[0][c] >= WhiteKing) break;
16225 board[CASTLING][0] = c;
16227 board[CASTLING][1] = c;
16231 for(i=0; i<nrCastlingRights; i++)
16232 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16233 if (appData.debugMode) {
16234 fprintf(debugFP, "FEN castling rights:");
16235 for(i=0; i<nrCastlingRights; i++)
16236 fprintf(debugFP, " %d", board[CASTLING][i]);
16237 fprintf(debugFP, "\n");
16240 while(*p==' ') p++;
16243 /* read e.p. field in games that know e.p. capture */
16244 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16245 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16247 p++; board[EP_STATUS] = EP_NONE;
16249 char c = *p++ - AAA;
16251 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16252 if(*p >= '0' && *p <='9') p++;
16253 board[EP_STATUS] = c;
16258 if(sscanf(p, "%d", &i) == 1) {
16259 FENrulePlies = i; /* 50-move ply counter */
16260 /* (The move number is still ignored) */
16267 EditPositionPasteFEN(char *fen)
16270 Board initial_position;
16272 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16273 DisplayError(_("Bad FEN position in clipboard"), 0);
16276 int savedBlackPlaysFirst = blackPlaysFirst;
16277 EditPositionEvent();
16278 blackPlaysFirst = savedBlackPlaysFirst;
16279 CopyBoard(boards[0], initial_position);
16280 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16281 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16282 DisplayBothClocks();
16283 DrawPosition(FALSE, boards[currentMove]);
16288 static char cseq[12] = "\\ ";
16290 Boolean set_cont_sequence(char *new_seq)
16295 // handle bad attempts to set the sequence
16297 return 0; // acceptable error - no debug
16299 len = strlen(new_seq);
16300 ret = (len > 0) && (len < sizeof(cseq));
16302 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16303 else if (appData.debugMode)
16304 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16309 reformat a source message so words don't cross the width boundary. internal
16310 newlines are not removed. returns the wrapped size (no null character unless
16311 included in source message). If dest is NULL, only calculate the size required
16312 for the dest buffer. lp argument indicats line position upon entry, and it's
16313 passed back upon exit.
16315 int wrap(char *dest, char *src, int count, int width, int *lp)
16317 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16319 cseq_len = strlen(cseq);
16320 old_line = line = *lp;
16321 ansi = len = clen = 0;
16323 for (i=0; i < count; i++)
16325 if (src[i] == '\033')
16328 // if we hit the width, back up
16329 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16331 // store i & len in case the word is too long
16332 old_i = i, old_len = len;
16334 // find the end of the last word
16335 while (i && src[i] != ' ' && src[i] != '\n')
16341 // word too long? restore i & len before splitting it
16342 if ((old_i-i+clen) >= width)
16349 if (i && src[i-1] == ' ')
16352 if (src[i] != ' ' && src[i] != '\n')
16359 // now append the newline and continuation sequence
16364 strncpy(dest+len, cseq, cseq_len);
16372 dest[len] = src[i];
16376 if (src[i] == '\n')
16381 if (dest && appData.debugMode)
16383 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16384 count, width, line, len, *lp);
16385 show_bytes(debugFP, src, count);
16386 fprintf(debugFP, "\ndest: ");
16387 show_bytes(debugFP, dest, len);
16388 fprintf(debugFP, "\n");
16390 *lp = dest ? line : old_line;
16395 // [HGM] vari: routines for shelving variations
16396 Boolean modeRestore = FALSE;
16399 PushInner(int firstMove, int lastMove)
16401 int i, j, nrMoves = lastMove - firstMove;
16403 // push current tail of game on stack
16404 savedResult[storedGames] = gameInfo.result;
16405 savedDetails[storedGames] = gameInfo.resultDetails;
16406 gameInfo.resultDetails = NULL;
16407 savedFirst[storedGames] = firstMove;
16408 savedLast [storedGames] = lastMove;
16409 savedFramePtr[storedGames] = framePtr;
16410 framePtr -= nrMoves; // reserve space for the boards
16411 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16412 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16413 for(j=0; j<MOVE_LEN; j++)
16414 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16415 for(j=0; j<2*MOVE_LEN; j++)
16416 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16417 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16418 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16419 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16420 pvInfoList[firstMove+i-1].depth = 0;
16421 commentList[framePtr+i] = commentList[firstMove+i];
16422 commentList[firstMove+i] = NULL;
16426 forwardMostMove = firstMove; // truncate game so we can start variation
16430 PushTail(int firstMove, int lastMove)
16432 if(appData.icsActive) { // only in local mode
16433 forwardMostMove = currentMove; // mimic old ICS behavior
16436 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16438 PushInner(firstMove, lastMove);
16439 if(storedGames == 1) GreyRevert(FALSE);
16440 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16444 PopInner(Boolean annotate)
16447 char buf[8000], moveBuf[20];
16449 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16450 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16451 nrMoves = savedLast[storedGames] - currentMove;
16454 if(!WhiteOnMove(currentMove))
16455 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16456 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16457 for(i=currentMove; i<forwardMostMove; i++) {
16459 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16460 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16461 strcat(buf, moveBuf);
16462 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16463 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16467 for(i=1; i<=nrMoves; i++) { // copy last variation back
16468 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16469 for(j=0; j<MOVE_LEN; j++)
16470 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16471 for(j=0; j<2*MOVE_LEN; j++)
16472 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16473 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16474 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16475 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16476 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16477 commentList[currentMove+i] = commentList[framePtr+i];
16478 commentList[framePtr+i] = NULL;
16480 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16481 framePtr = savedFramePtr[storedGames];
16482 gameInfo.result = savedResult[storedGames];
16483 if(gameInfo.resultDetails != NULL) {
16484 free(gameInfo.resultDetails);
16486 gameInfo.resultDetails = savedDetails[storedGames];
16487 forwardMostMove = currentMove + nrMoves;
16491 PopTail(Boolean annotate)
16493 if(appData.icsActive) return FALSE; // only in local mode
16494 if(!storedGames) return FALSE; // sanity
16495 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16497 PopInner(annotate);
16498 if(currentMove < forwardMostMove) ForwardEvent(); else
16499 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16501 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16507 { // remove all shelved variations
16509 for(i=0; i<storedGames; i++) {
16510 if(savedDetails[i])
16511 free(savedDetails[i]);
16512 savedDetails[i] = NULL;
16514 for(i=framePtr; i<MAX_MOVES; i++) {
16515 if(commentList[i]) free(commentList[i]);
16516 commentList[i] = NULL;
16518 framePtr = MAX_MOVES-1;
16523 LoadVariation(int index, char *text)
16524 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16525 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16526 int level = 0, move;
16528 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16529 // first find outermost bracketing variation
16530 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16531 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16532 if(*p == '{') wait = '}'; else
16533 if(*p == '[') wait = ']'; else
16534 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16535 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16537 if(*p == wait) wait = NULLCHAR; // closing ]} found
16540 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16541 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16542 end[1] = NULLCHAR; // clip off comment beyond variation
16543 ToNrEvent(currentMove-1);
16544 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16545 // kludge: use ParsePV() to append variation to game
16546 move = currentMove;
16547 ParsePV(start, TRUE, TRUE);
16548 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16549 ClearPremoveHighlights();
16551 ToNrEvent(currentMove+1);