2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
60 int flock(int f, int code);
67 #define DoSleep( n ) if( (n) >= 0) sleep(n)
78 #include <sys/types.h>
87 #else /* not STDC_HEADERS */
90 # else /* not HAVE_STRING_H */
92 # endif /* not HAVE_STRING_H */
93 #endif /* not STDC_HEADERS */
96 # include <sys/fcntl.h>
97 #else /* not HAVE_SYS_FCNTL_H */
100 # endif /* HAVE_FCNTL_H */
101 #endif /* not HAVE_SYS_FCNTL_H */
103 #if TIME_WITH_SYS_TIME
104 # include <sys/time.h>
108 # include <sys/time.h>
114 #if defined(_amigados) && !defined(__GNUC__)
119 extern int gettimeofday(struct timeval *, struct timezone *);
127 #include "frontend.h"
134 #include "backendz.h"
138 # define _(s) gettext (s)
139 # define N_(s) gettext_noop (s)
140 # define T_(s) gettext(s)
153 /* A point in time */
155 long sec; /* Assuming this is >= 32 bits */
156 int ms; /* Assuming this is >= 16 bits */
159 int establish P((void));
160 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
161 char *buf, int count, int error));
162 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
163 char *buf, int count, int error));
164 void ics_printf P((char *format, ...));
165 void SendToICS P((char *s));
166 void SendToICSDelayed P((char *s, long msdelay));
167 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
168 void HandleMachineMove P((char *message, ChessProgramState *cps));
169 int AutoPlayOneMove P((void));
170 int LoadGameOneMove P((ChessMove readAhead));
171 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
172 int LoadPositionFromFile P((char *filename, int n, char *title));
173 int SavePositionToFile P((char *filename));
174 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
176 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
177 void ShowMove P((int fromX, int fromY, int toX, int toY));
178 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
179 /*char*/int promoChar));
180 void BackwardInner P((int target));
181 void ForwardInner P((int target));
182 int Adjudicate P((ChessProgramState *cps));
183 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
184 void EditPositionDone P((Boolean fakeRights));
185 void PrintOpponents P((FILE *fp));
186 void PrintPosition P((FILE *fp, int move));
187 void StartChessProgram P((ChessProgramState *cps));
188 void SendToProgram P((char *message, ChessProgramState *cps));
189 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
190 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
191 char *buf, int count, int error));
192 void SendTimeControl P((ChessProgramState *cps,
193 int mps, long tc, int inc, int sd, int st));
194 char *TimeControlTagValue P((void));
195 void Attention P((ChessProgramState *cps));
196 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
197 int ResurrectChessProgram P((void));
198 void DisplayComment P((int moveNumber, char *text));
199 void DisplayMove P((int moveNumber));
201 void ParseGameHistory P((char *game));
202 void ParseBoard12 P((char *string));
203 void KeepAlive P((void));
204 void StartClocks P((void));
205 void SwitchClocks P((int nr));
206 void StopClocks P((void));
207 void ResetClocks P((void));
208 char *PGNDate P((void));
209 void SetGameInfo P((void));
210 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
211 int RegisterMove P((void));
212 void MakeRegisteredMove P((void));
213 void TruncateGame P((void));
214 int looking_at P((char *, int *, char *));
215 void CopyPlayerNameIntoFileName P((char **, char *));
216 char *SavePart P((char *));
217 int SaveGameOldStyle P((FILE *));
218 int SaveGamePGN P((FILE *));
219 void GetTimeMark P((TimeMark *));
220 long SubtractTimeMarks P((TimeMark *, TimeMark *));
221 int CheckFlags P((void));
222 long NextTickLength P((long));
223 void CheckTimeControl P((void));
224 void show_bytes P((FILE *, char *, int));
225 int string_to_rating P((char *str));
226 void ParseFeatures P((char* args, ChessProgramState *cps));
227 void InitBackEnd3 P((void));
228 void FeatureDone P((ChessProgramState* cps, int val));
229 void InitChessProgram P((ChessProgramState *cps, int setup));
230 void OutputKibitz(int window, char *text);
231 int PerpetualChase(int first, int last);
232 int EngineOutputIsUp();
233 void InitDrawingSizes(int x, int y);
234 void NextMatchGame P((void));
235 int NextTourneyGame P((int nr, int *swap));
236 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
237 FILE *WriteTourneyFile P((char *results, FILE *f));
238 void DisplayTwoMachinesTitle P(());
241 extern void ConsoleCreate();
244 ChessProgramState *WhitePlayer();
245 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
246 int VerifyDisplayMode P(());
248 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
249 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
250 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
251 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
252 void ics_update_width P((int new_width));
253 extern char installDir[MSG_SIZ];
254 VariantClass startVariant; /* [HGM] nicks: initial variant */
257 extern int tinyLayout, smallLayout;
258 ChessProgramStats programStats;
259 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
261 static int exiting = 0; /* [HGM] moved to top */
262 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
263 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
264 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
265 int partnerHighlight[2];
266 Boolean partnerBoardValid = 0;
267 char partnerStatus[MSG_SIZ];
269 Boolean originalFlip;
270 Boolean twoBoards = 0;
271 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
272 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
273 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
274 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
275 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
276 int opponentKibitzes;
277 int lastSavedGame; /* [HGM] save: ID of game */
278 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
279 extern int chatCount;
281 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
282 char lastMsg[MSG_SIZ];
283 ChessSquare pieceSweep = EmptySquare;
284 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
285 int promoDefaultAltered;
287 /* States for ics_getting_history */
289 #define H_REQUESTED 1
290 #define H_GOT_REQ_HEADER 2
291 #define H_GOT_UNREQ_HEADER 3
292 #define H_GETTING_MOVES 4
293 #define H_GOT_UNWANTED_HEADER 5
295 /* whosays values for GameEnds */
304 /* Maximum number of games in a cmail message */
305 #define CMAIL_MAX_GAMES 20
307 /* Different types of move when calling RegisterMove */
309 #define CMAIL_RESIGN 1
311 #define CMAIL_ACCEPT 3
313 /* Different types of result to remember for each game */
314 #define CMAIL_NOT_RESULT 0
315 #define CMAIL_OLD_RESULT 1
316 #define CMAIL_NEW_RESULT 2
318 /* Telnet protocol constants */
329 safeStrCpy( char *dst, const char *src, size_t count )
332 assert( dst != NULL );
333 assert( src != NULL );
336 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
337 if( i == count && dst[count-1] != NULLCHAR)
339 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
340 if(appData.debugMode)
341 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
347 /* Some compiler can't cast u64 to double
348 * This function do the job for us:
350 * We use the highest bit for cast, this only
351 * works if the highest bit is not
352 * in use (This should not happen)
354 * We used this for all compiler
357 u64ToDouble(u64 value)
360 u64 tmp = value & u64Const(0x7fffffffffffffff);
361 r = (double)(s64)tmp;
362 if (value & u64Const(0x8000000000000000))
363 r += 9.2233720368547758080e18; /* 2^63 */
367 /* Fake up flags for now, as we aren't keeping track of castling
368 availability yet. [HGM] Change of logic: the flag now only
369 indicates the type of castlings allowed by the rule of the game.
370 The actual rights themselves are maintained in the array
371 castlingRights, as part of the game history, and are not probed
377 int flags = F_ALL_CASTLE_OK;
378 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
379 switch (gameInfo.variant) {
381 flags &= ~F_ALL_CASTLE_OK;
382 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
383 flags |= F_IGNORE_CHECK;
385 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
388 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
390 case VariantKriegspiel:
391 flags |= F_KRIEGSPIEL_CAPTURE;
393 case VariantCapaRandom:
394 case VariantFischeRandom:
395 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
396 case VariantNoCastle:
397 case VariantShatranj:
401 flags &= ~F_ALL_CASTLE_OK;
409 FILE *gameFileFP, *debugFP;
412 [AS] Note: sometimes, the sscanf() function is used to parse the input
413 into a fixed-size buffer. Because of this, we must be prepared to
414 receive strings as long as the size of the input buffer, which is currently
415 set to 4K for Windows and 8K for the rest.
416 So, we must either allocate sufficiently large buffers here, or
417 reduce the size of the input buffer in the input reading part.
420 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
421 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
422 char thinkOutput1[MSG_SIZ*10];
424 ChessProgramState first, second, pairing;
426 /* premove variables */
429 int premoveFromX = 0;
430 int premoveFromY = 0;
431 int premovePromoChar = 0;
433 Boolean alarmSounded;
434 /* end premove variables */
436 char *ics_prefix = "$";
437 int ics_type = ICS_GENERIC;
439 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
440 int pauseExamForwardMostMove = 0;
441 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
442 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
443 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
444 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
445 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
446 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
447 int whiteFlag = FALSE, blackFlag = FALSE;
448 int userOfferedDraw = FALSE;
449 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
450 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
451 int cmailMoveType[CMAIL_MAX_GAMES];
452 long ics_clock_paused = 0;
453 ProcRef icsPR = NoProc, cmailPR = NoProc;
454 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
455 GameMode gameMode = BeginningOfGame;
456 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
457 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
458 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
459 int hiddenThinkOutputState = 0; /* [AS] */
460 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
461 int adjudicateLossPlies = 6;
462 char white_holding[64], black_holding[64];
463 TimeMark lastNodeCountTime;
464 long lastNodeCount=0;
465 int shiftKey; // [HGM] set by mouse handler
467 int have_sent_ICS_logon = 0;
469 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
470 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
471 long timeControl_2; /* [AS] Allow separate time controls */
472 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
473 long timeRemaining[2][MAX_MOVES];
474 int matchGame = 0, nextGame = 0, roundNr = 0;
475 Boolean waitingForGame = FALSE;
476 TimeMark programStartTime, pauseStart;
477 char ics_handle[MSG_SIZ];
478 int have_set_title = 0;
480 /* animateTraining preserves the state of appData.animate
481 * when Training mode is activated. This allows the
482 * response to be animated when appData.animate == TRUE and
483 * appData.animateDragging == TRUE.
485 Boolean animateTraining;
491 Board boards[MAX_MOVES];
492 /* [HGM] Following 7 needed for accurate legality tests: */
493 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
494 signed char initialRights[BOARD_FILES];
495 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
496 int initialRulePlies, FENrulePlies;
497 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
499 Boolean shuffleOpenings;
500 int mute; // mute all sounds
502 // [HGM] vari: next 12 to save and restore variations
503 #define MAX_VARIATIONS 10
504 int framePtr = MAX_MOVES-1; // points to free stack entry
506 int savedFirst[MAX_VARIATIONS];
507 int savedLast[MAX_VARIATIONS];
508 int savedFramePtr[MAX_VARIATIONS];
509 char *savedDetails[MAX_VARIATIONS];
510 ChessMove savedResult[MAX_VARIATIONS];
512 void PushTail P((int firstMove, int lastMove));
513 Boolean PopTail P((Boolean annotate));
514 void PushInner P((int firstMove, int lastMove));
515 void PopInner P((Boolean annotate));
516 void CleanupTail P((void));
518 ChessSquare FIDEArray[2][BOARD_FILES] = {
519 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
520 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
521 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
522 BlackKing, BlackBishop, BlackKnight, BlackRook }
525 ChessSquare twoKingsArray[2][BOARD_FILES] = {
526 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
527 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
528 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
529 BlackKing, BlackKing, BlackKnight, BlackRook }
532 ChessSquare KnightmateArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
534 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
535 { BlackRook, BlackMan, BlackBishop, BlackQueen,
536 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
539 ChessSquare SpartanArray[2][BOARD_FILES] = {
540 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
541 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
542 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
543 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
546 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
547 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
548 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
549 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
550 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
553 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
554 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
555 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
556 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
557 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
560 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
561 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
562 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
563 { BlackRook, BlackKnight, BlackMan, BlackFerz,
564 BlackKing, BlackMan, BlackKnight, BlackRook }
568 #if (BOARD_FILES>=10)
569 ChessSquare ShogiArray[2][BOARD_FILES] = {
570 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
571 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
572 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
573 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
576 ChessSquare XiangqiArray[2][BOARD_FILES] = {
577 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
578 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
579 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
580 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
583 ChessSquare CapablancaArray[2][BOARD_FILES] = {
584 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
585 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
586 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
587 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
590 ChessSquare GreatArray[2][BOARD_FILES] = {
591 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
592 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
593 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
594 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
597 ChessSquare JanusArray[2][BOARD_FILES] = {
598 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
599 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
600 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
601 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
604 ChessSquare GrandArray[2][BOARD_FILES] = {
605 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
606 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
607 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
608 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
612 ChessSquare GothicArray[2][BOARD_FILES] = {
613 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
614 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
615 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
616 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
619 #define GothicArray CapablancaArray
623 ChessSquare FalconArray[2][BOARD_FILES] = {
624 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
625 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
626 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
627 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
630 #define FalconArray CapablancaArray
633 #else // !(BOARD_FILES>=10)
634 #define XiangqiPosition FIDEArray
635 #define CapablancaArray FIDEArray
636 #define GothicArray FIDEArray
637 #define GreatArray FIDEArray
638 #endif // !(BOARD_FILES>=10)
640 #if (BOARD_FILES>=12)
641 ChessSquare CourierArray[2][BOARD_FILES] = {
642 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
643 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
644 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
645 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
647 #else // !(BOARD_FILES>=12)
648 #define CourierArray CapablancaArray
649 #endif // !(BOARD_FILES>=12)
652 Board initialPosition;
655 /* Convert str to a rating. Checks for special cases of "----",
657 "++++", etc. Also strips ()'s */
659 string_to_rating(str)
662 while(*str && !isdigit(*str)) ++str;
664 return 0; /* One of the special "no rating" cases */
672 /* Init programStats */
673 programStats.movelist[0] = 0;
674 programStats.depth = 0;
675 programStats.nr_moves = 0;
676 programStats.moves_left = 0;
677 programStats.nodes = 0;
678 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
679 programStats.score = 0;
680 programStats.got_only_move = 0;
681 programStats.got_fail = 0;
682 programStats.line_is_book = 0;
687 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
688 if (appData.firstPlaysBlack) {
689 first.twoMachinesColor = "black\n";
690 second.twoMachinesColor = "white\n";
692 first.twoMachinesColor = "white\n";
693 second.twoMachinesColor = "black\n";
696 first.other = &second;
697 second.other = &first;
700 if(appData.timeOddsMode) {
701 norm = appData.timeOdds[0];
702 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
704 first.timeOdds = appData.timeOdds[0]/norm;
705 second.timeOdds = appData.timeOdds[1]/norm;
708 if(programVersion) free(programVersion);
709 if (appData.noChessProgram) {
710 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
711 sprintf(programVersion, "%s", PACKAGE_STRING);
713 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
714 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
715 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
720 UnloadEngine(ChessProgramState *cps)
722 /* Kill off first chess program */
723 if (cps->isr != NULL)
724 RemoveInputSource(cps->isr);
727 if (cps->pr != NoProc) {
729 DoSleep( appData.delayBeforeQuit );
730 SendToProgram("quit\n", cps);
731 DoSleep( appData.delayAfterQuit );
732 DestroyChildProcess(cps->pr, cps->useSigterm);
735 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
739 ClearOptions(ChessProgramState *cps)
742 cps->nrOptions = cps->comboCnt = 0;
743 for(i=0; i<MAX_OPTIONS; i++) {
744 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
745 cps->option[i].textValue = 0;
749 char *engineNames[] = {
755 InitEngine(ChessProgramState *cps, int n)
756 { // [HGM] all engine initialiation put in a function that does one engine
760 cps->which = engineNames[n];
761 cps->maybeThinking = FALSE;
765 cps->sendDrawOffers = 1;
767 cps->program = appData.chessProgram[n];
768 cps->host = appData.host[n];
769 cps->dir = appData.directory[n];
770 cps->initString = appData.engInitString[n];
771 cps->computerString = appData.computerString[n];
772 cps->useSigint = TRUE;
773 cps->useSigterm = TRUE;
774 cps->reuse = appData.reuse[n];
775 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
776 cps->useSetboard = FALSE;
778 cps->usePing = FALSE;
781 cps->usePlayother = FALSE;
782 cps->useColors = TRUE;
783 cps->useUsermove = FALSE;
784 cps->sendICS = FALSE;
785 cps->sendName = appData.icsActive;
786 cps->sdKludge = FALSE;
787 cps->stKludge = FALSE;
788 TidyProgramName(cps->program, cps->host, cps->tidy);
790 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
791 cps->analysisSupport = 2; /* detect */
792 cps->analyzing = FALSE;
793 cps->initDone = FALSE;
795 /* New features added by Tord: */
796 cps->useFEN960 = FALSE;
797 cps->useOOCastle = TRUE;
798 /* End of new features added by Tord. */
799 cps->fenOverride = appData.fenOverride[n];
801 /* [HGM] time odds: set factor for each machine */
802 cps->timeOdds = appData.timeOdds[n];
804 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
805 cps->accumulateTC = appData.accumulateTC[n];
806 cps->maxNrOfSessions = 1;
811 cps->supportsNPS = UNKNOWN;
812 cps->memSize = FALSE;
813 cps->maxCores = FALSE;
814 cps->egtFormats[0] = NULLCHAR;
817 cps->optionSettings = appData.engOptions[n];
819 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
820 cps->isUCI = appData.isUCI[n]; /* [AS] */
821 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
823 if (appData.protocolVersion[n] > PROTOVER
824 || appData.protocolVersion[n] < 1)
829 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
830 appData.protocolVersion[n]);
831 if( (len > MSG_SIZ) && appData.debugMode )
832 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
834 DisplayFatalError(buf, 0, 2);
838 cps->protocolVersion = appData.protocolVersion[n];
841 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
844 ChessProgramState *savCps;
850 if(WaitForEngine(savCps, LoadEngine)) return;
851 CommonEngineInit(); // recalculate time odds
852 if(gameInfo.variant != StringToVariant(appData.variant)) {
853 // we changed variant when loading the engine; this forces us to reset
854 Reset(TRUE, savCps != &first);
855 EditGameEvent(); // for consistency with other path, as Reset changes mode
857 InitChessProgram(savCps, FALSE);
858 SendToProgram("force\n", savCps);
859 DisplayMessage("", "");
860 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
861 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
867 ReplaceEngine(ChessProgramState *cps, int n)
871 appData.noChessProgram = FALSE;
872 appData.clockMode = TRUE;
875 if(n) return; // only startup first engine immediately; second can wait
876 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
880 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
881 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
883 static char resetOptions[] =
884 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
885 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
888 Load(ChessProgramState *cps, int i)
890 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
891 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
892 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
893 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
894 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
895 ParseArgsFromString(buf);
897 ReplaceEngine(cps, i);
901 while(q = strchr(p, SLASH)) p = q+1;
902 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
903 if(engineDir[0] != NULLCHAR)
904 appData.directory[i] = engineDir;
905 else if(p != engineName) { // derive directory from engine path, when not given
907 appData.directory[i] = strdup(engineName);
909 } else appData.directory[i] = ".";
911 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
912 snprintf(command, MSG_SIZ, "%s %s", p, params);
915 appData.chessProgram[i] = strdup(p);
916 appData.isUCI[i] = isUCI;
917 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
918 appData.hasOwnBookUCI[i] = hasBook;
919 if(!nickName[0]) useNick = FALSE;
920 if(useNick) ASSIGN(appData.pgnName[i], nickName);
924 q = firstChessProgramNames;
925 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
926 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
927 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
928 quote, p, quote, appData.directory[i],
929 useNick ? " -fn \"" : "",
930 useNick ? nickName : "",
932 v1 ? " -firstProtocolVersion 1" : "",
933 hasBook ? "" : " -fNoOwnBookUCI",
934 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
935 storeVariant ? " -variant " : "",
936 storeVariant ? VariantName(gameInfo.variant) : "");
937 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
938 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
941 ReplaceEngine(cps, i);
947 int matched, min, sec;
949 * Parse timeControl resource
951 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
952 appData.movesPerSession)) {
954 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
955 DisplayFatalError(buf, 0, 2);
959 * Parse searchTime resource
961 if (*appData.searchTime != NULLCHAR) {
962 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
964 searchTime = min * 60;
965 } else if (matched == 2) {
966 searchTime = min * 60 + sec;
969 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
970 DisplayFatalError(buf, 0, 2);
979 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
980 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
982 GetTimeMark(&programStartTime);
983 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
984 appData.seedBase = random() + (random()<<15);
985 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
988 programStats.ok_to_send = 1;
989 programStats.seen_stat = 0;
992 * Initialize game list
998 * Internet chess server status
1000 if (appData.icsActive) {
1001 appData.matchMode = FALSE;
1002 appData.matchGames = 0;
1004 appData.noChessProgram = !appData.zippyPlay;
1006 appData.zippyPlay = FALSE;
1007 appData.zippyTalk = FALSE;
1008 appData.noChessProgram = TRUE;
1010 if (*appData.icsHelper != NULLCHAR) {
1011 appData.useTelnet = TRUE;
1012 appData.telnetProgram = appData.icsHelper;
1015 appData.zippyTalk = appData.zippyPlay = FALSE;
1018 /* [AS] Initialize pv info list [HGM] and game state */
1022 for( i=0; i<=framePtr; i++ ) {
1023 pvInfoList[i].depth = -1;
1024 boards[i][EP_STATUS] = EP_NONE;
1025 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1031 /* [AS] Adjudication threshold */
1032 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1034 InitEngine(&first, 0);
1035 InitEngine(&second, 1);
1038 pairing.which = "pairing"; // pairing engine
1039 pairing.pr = NoProc;
1041 pairing.program = appData.pairingEngine;
1042 pairing.host = "localhost";
1045 if (appData.icsActive) {
1046 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1047 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1048 appData.clockMode = FALSE;
1049 first.sendTime = second.sendTime = 0;
1053 /* Override some settings from environment variables, for backward
1054 compatibility. Unfortunately it's not feasible to have the env
1055 vars just set defaults, at least in xboard. Ugh.
1057 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1062 if (!appData.icsActive) {
1066 /* Check for variants that are supported only in ICS mode,
1067 or not at all. Some that are accepted here nevertheless
1068 have bugs; see comments below.
1070 VariantClass variant = StringToVariant(appData.variant);
1072 case VariantBughouse: /* need four players and two boards */
1073 case VariantKriegspiel: /* need to hide pieces and move details */
1074 /* case VariantFischeRandom: (Fabien: moved below) */
1075 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1076 if( (len > MSG_SIZ) && appData.debugMode )
1077 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1079 DisplayFatalError(buf, 0, 2);
1082 case VariantUnknown:
1083 case VariantLoadable:
1093 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1094 if( (len > MSG_SIZ) && appData.debugMode )
1095 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1097 DisplayFatalError(buf, 0, 2);
1100 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1101 case VariantFairy: /* [HGM] TestLegality definitely off! */
1102 case VariantGothic: /* [HGM] should work */
1103 case VariantCapablanca: /* [HGM] should work */
1104 case VariantCourier: /* [HGM] initial forced moves not implemented */
1105 case VariantShogi: /* [HGM] could still mate with pawn drop */
1106 case VariantKnightmate: /* [HGM] should work */
1107 case VariantCylinder: /* [HGM] untested */
1108 case VariantFalcon: /* [HGM] untested */
1109 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1110 offboard interposition not understood */
1111 case VariantNormal: /* definitely works! */
1112 case VariantWildCastle: /* pieces not automatically shuffled */
1113 case VariantNoCastle: /* pieces not automatically shuffled */
1114 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1115 case VariantLosers: /* should work except for win condition,
1116 and doesn't know captures are mandatory */
1117 case VariantSuicide: /* should work except for win condition,
1118 and doesn't know captures are mandatory */
1119 case VariantGiveaway: /* should work except for win condition,
1120 and doesn't know captures are mandatory */
1121 case VariantTwoKings: /* should work */
1122 case VariantAtomic: /* should work except for win condition */
1123 case Variant3Check: /* should work except for win condition */
1124 case VariantShatranj: /* should work except for all win conditions */
1125 case VariantMakruk: /* should work except for draw countdown */
1126 case VariantBerolina: /* might work if TestLegality is off */
1127 case VariantCapaRandom: /* should work */
1128 case VariantJanus: /* should work */
1129 case VariantSuper: /* experimental */
1130 case VariantGreat: /* experimental, requires legality testing to be off */
1131 case VariantSChess: /* S-Chess, should work */
1132 case VariantGrand: /* should work */
1133 case VariantSpartan: /* should work */
1140 int NextIntegerFromString( char ** str, long * value )
1145 while( *s == ' ' || *s == '\t' ) {
1151 if( *s >= '0' && *s <= '9' ) {
1152 while( *s >= '0' && *s <= '9' ) {
1153 *value = *value * 10 + (*s - '0');
1165 int NextTimeControlFromString( char ** str, long * value )
1168 int result = NextIntegerFromString( str, &temp );
1171 *value = temp * 60; /* Minutes */
1172 if( **str == ':' ) {
1174 result = NextIntegerFromString( str, &temp );
1175 *value += temp; /* Seconds */
1182 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1183 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1184 int result = -1, type = 0; long temp, temp2;
1186 if(**str != ':') return -1; // old params remain in force!
1188 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1189 if( NextIntegerFromString( str, &temp ) ) return -1;
1190 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1193 /* time only: incremental or sudden-death time control */
1194 if(**str == '+') { /* increment follows; read it */
1196 if(**str == '!') type = *(*str)++; // Bronstein TC
1197 if(result = NextIntegerFromString( str, &temp2)) return -1;
1198 *inc = temp2 * 1000;
1199 if(**str == '.') { // read fraction of increment
1200 char *start = ++(*str);
1201 if(result = NextIntegerFromString( str, &temp2)) return -1;
1203 while(start++ < *str) temp2 /= 10;
1207 *moves = 0; *tc = temp * 1000; *incType = type;
1211 (*str)++; /* classical time control */
1212 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1223 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1224 { /* [HGM] get time to add from the multi-session time-control string */
1225 int incType, moves=1; /* kludge to force reading of first session */
1226 long time, increment;
1229 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1230 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1232 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1233 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1234 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1235 if(movenr == -1) return time; /* last move before new session */
1236 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1237 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1238 if(!moves) return increment; /* current session is incremental */
1239 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1240 } while(movenr >= -1); /* try again for next session */
1242 return 0; // no new time quota on this move
1246 ParseTimeControl(tc, ti, mps)
1253 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1256 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1257 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1258 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1262 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1264 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1267 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1269 snprintf(buf, MSG_SIZ, ":%s", mytc);
1271 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1273 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1278 /* Parse second time control */
1281 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1289 timeControl_2 = tc2 * 1000;
1299 timeControl = tc1 * 1000;
1302 timeIncrement = ti * 1000; /* convert to ms */
1303 movesPerSession = 0;
1306 movesPerSession = mps;
1314 if (appData.debugMode) {
1315 fprintf(debugFP, "%s\n", programVersion);
1318 set_cont_sequence(appData.wrapContSeq);
1319 if (appData.matchGames > 0) {
1320 appData.matchMode = TRUE;
1321 } else if (appData.matchMode) {
1322 appData.matchGames = 1;
1324 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1325 appData.matchGames = appData.sameColorGames;
1326 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1327 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1328 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1331 if (appData.noChessProgram || first.protocolVersion == 1) {
1334 /* kludge: allow timeout for initial "feature" commands */
1336 DisplayMessage("", _("Starting chess program"));
1337 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1342 CalculateIndex(int index, int gameNr)
1343 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1345 if(index > 0) return index; // fixed nmber
1346 if(index == 0) return 1;
1347 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1348 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1353 LoadGameOrPosition(int gameNr)
1354 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1355 if (*appData.loadGameFile != NULLCHAR) {
1356 if (!LoadGameFromFile(appData.loadGameFile,
1357 CalculateIndex(appData.loadGameIndex, gameNr),
1358 appData.loadGameFile, FALSE)) {
1359 DisplayFatalError(_("Bad game file"), 0, 1);
1362 } else if (*appData.loadPositionFile != NULLCHAR) {
1363 if (!LoadPositionFromFile(appData.loadPositionFile,
1364 CalculateIndex(appData.loadPositionIndex, gameNr),
1365 appData.loadPositionFile)) {
1366 DisplayFatalError(_("Bad position file"), 0, 1);
1374 ReserveGame(int gameNr, char resChar)
1376 FILE *tf = fopen(appData.tourneyFile, "r+");
1377 char *p, *q, c, buf[MSG_SIZ];
1378 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1379 safeStrCpy(buf, lastMsg, MSG_SIZ);
1380 DisplayMessage(_("Pick new game"), "");
1381 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1382 ParseArgsFromFile(tf);
1383 p = q = appData.results;
1384 if(appData.debugMode) {
1385 char *r = appData.participants;
1386 fprintf(debugFP, "results = '%s'\n", p);
1387 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1388 fprintf(debugFP, "\n");
1390 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1392 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1393 safeStrCpy(q, p, strlen(p) + 2);
1394 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1395 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1396 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1397 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1400 fseek(tf, -(strlen(p)+4), SEEK_END);
1402 if(c != '"') // depending on DOS or Unix line endings we can be one off
1403 fseek(tf, -(strlen(p)+2), SEEK_END);
1404 else fseek(tf, -(strlen(p)+3), SEEK_END);
1405 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1406 DisplayMessage(buf, "");
1407 free(p); appData.results = q;
1408 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1409 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1410 UnloadEngine(&first); // next game belongs to other pairing;
1411 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1416 MatchEvent(int mode)
1417 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1419 if(matchMode) { // already in match mode: switch it off
1421 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1424 // if(gameMode != BeginningOfGame) {
1425 // DisplayError(_("You can only start a match from the initial position."), 0);
1429 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1430 /* Set up machine vs. machine match */
1432 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1433 if(appData.tourneyFile[0]) {
1435 if(nextGame > appData.matchGames) {
1437 if(strchr(appData.results, '*') == NULL) {
1439 appData.tourneyCycles++;
1440 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1442 NextTourneyGame(-1, &dummy);
1444 if(nextGame <= appData.matchGames) {
1445 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1447 ScheduleDelayedEvent(NextMatchGame, 10000);
1452 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1453 DisplayError(buf, 0);
1454 appData.tourneyFile[0] = 0;
1458 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1459 DisplayFatalError(_("Can't have a match with no chess programs"),
1464 matchGame = roundNr = 1;
1465 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1470 InitBackEnd3 P((void))
1472 GameMode initialMode;
1476 InitChessProgram(&first, startedFromSetupPosition);
1478 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1479 free(programVersion);
1480 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1481 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1484 if (appData.icsActive) {
1486 /* [DM] Make a console window if needed [HGM] merged ifs */
1492 if (*appData.icsCommPort != NULLCHAR)
1493 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1494 appData.icsCommPort);
1496 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1497 appData.icsHost, appData.icsPort);
1499 if( (len > MSG_SIZ) && appData.debugMode )
1500 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1502 DisplayFatalError(buf, err, 1);
1507 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1509 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1510 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1511 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1512 } else if (appData.noChessProgram) {
1518 if (*appData.cmailGameName != NULLCHAR) {
1520 OpenLoopback(&cmailPR);
1522 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1526 DisplayMessage("", "");
1527 if (StrCaseCmp(appData.initialMode, "") == 0) {
1528 initialMode = BeginningOfGame;
1529 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1530 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1531 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1532 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1535 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1536 initialMode = TwoMachinesPlay;
1537 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1538 initialMode = AnalyzeFile;
1539 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1540 initialMode = AnalyzeMode;
1541 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1542 initialMode = MachinePlaysWhite;
1543 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1544 initialMode = MachinePlaysBlack;
1545 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1546 initialMode = EditGame;
1547 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1548 initialMode = EditPosition;
1549 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1550 initialMode = Training;
1552 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1553 if( (len > MSG_SIZ) && appData.debugMode )
1554 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1556 DisplayFatalError(buf, 0, 2);
1560 if (appData.matchMode) {
1561 if(appData.tourneyFile[0]) { // start tourney from command line
1563 if(f = fopen(appData.tourneyFile, "r")) {
1564 ParseArgsFromFile(f); // make sure tourney parmeters re known
1566 appData.clockMode = TRUE;
1568 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1571 } else if (*appData.cmailGameName != NULLCHAR) {
1572 /* Set up cmail mode */
1573 ReloadCmailMsgEvent(TRUE);
1575 /* Set up other modes */
1576 if (initialMode == AnalyzeFile) {
1577 if (*appData.loadGameFile == NULLCHAR) {
1578 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1582 if (*appData.loadGameFile != NULLCHAR) {
1583 (void) LoadGameFromFile(appData.loadGameFile,
1584 appData.loadGameIndex,
1585 appData.loadGameFile, TRUE);
1586 } else if (*appData.loadPositionFile != NULLCHAR) {
1587 (void) LoadPositionFromFile(appData.loadPositionFile,
1588 appData.loadPositionIndex,
1589 appData.loadPositionFile);
1590 /* [HGM] try to make self-starting even after FEN load */
1591 /* to allow automatic setup of fairy variants with wtm */
1592 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1593 gameMode = BeginningOfGame;
1594 setboardSpoiledMachineBlack = 1;
1596 /* [HGM] loadPos: make that every new game uses the setup */
1597 /* from file as long as we do not switch variant */
1598 if(!blackPlaysFirst) {
1599 startedFromPositionFile = TRUE;
1600 CopyBoard(filePosition, boards[0]);
1603 if (initialMode == AnalyzeMode) {
1604 if (appData.noChessProgram) {
1605 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1608 if (appData.icsActive) {
1609 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1613 } else if (initialMode == AnalyzeFile) {
1614 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1615 ShowThinkingEvent();
1617 AnalysisPeriodicEvent(1);
1618 } else if (initialMode == MachinePlaysWhite) {
1619 if (appData.noChessProgram) {
1620 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1624 if (appData.icsActive) {
1625 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1629 MachineWhiteEvent();
1630 } else if (initialMode == MachinePlaysBlack) {
1631 if (appData.noChessProgram) {
1632 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1636 if (appData.icsActive) {
1637 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1641 MachineBlackEvent();
1642 } else if (initialMode == TwoMachinesPlay) {
1643 if (appData.noChessProgram) {
1644 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1648 if (appData.icsActive) {
1649 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1654 } else if (initialMode == EditGame) {
1656 } else if (initialMode == EditPosition) {
1657 EditPositionEvent();
1658 } else if (initialMode == Training) {
1659 if (*appData.loadGameFile == NULLCHAR) {
1660 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1669 * Establish will establish a contact to a remote host.port.
1670 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1671 * used to talk to the host.
1672 * Returns 0 if okay, error code if not.
1679 if (*appData.icsCommPort != NULLCHAR) {
1680 /* Talk to the host through a serial comm port */
1681 return OpenCommPort(appData.icsCommPort, &icsPR);
1683 } else if (*appData.gateway != NULLCHAR) {
1684 if (*appData.remoteShell == NULLCHAR) {
1685 /* Use the rcmd protocol to run telnet program on a gateway host */
1686 snprintf(buf, sizeof(buf), "%s %s %s",
1687 appData.telnetProgram, appData.icsHost, appData.icsPort);
1688 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1691 /* Use the rsh program to run telnet program on a gateway host */
1692 if (*appData.remoteUser == NULLCHAR) {
1693 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1694 appData.gateway, appData.telnetProgram,
1695 appData.icsHost, appData.icsPort);
1697 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1698 appData.remoteShell, appData.gateway,
1699 appData.remoteUser, appData.telnetProgram,
1700 appData.icsHost, appData.icsPort);
1702 return StartChildProcess(buf, "", &icsPR);
1705 } else if (appData.useTelnet) {
1706 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1709 /* TCP socket interface differs somewhat between
1710 Unix and NT; handle details in the front end.
1712 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1716 void EscapeExpand(char *p, char *q)
1717 { // [HGM] initstring: routine to shape up string arguments
1718 while(*p++ = *q++) if(p[-1] == '\\')
1720 case 'n': p[-1] = '\n'; break;
1721 case 'r': p[-1] = '\r'; break;
1722 case 't': p[-1] = '\t'; break;
1723 case '\\': p[-1] = '\\'; break;
1724 case 0: *p = 0; return;
1725 default: p[-1] = q[-1]; break;
1730 show_bytes(fp, buf, count)
1736 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1737 fprintf(fp, "\\%03o", *buf & 0xff);
1746 /* Returns an errno value */
1748 OutputMaybeTelnet(pr, message, count, outError)
1754 char buf[8192], *p, *q, *buflim;
1755 int left, newcount, outcount;
1757 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1758 *appData.gateway != NULLCHAR) {
1759 if (appData.debugMode) {
1760 fprintf(debugFP, ">ICS: ");
1761 show_bytes(debugFP, message, count);
1762 fprintf(debugFP, "\n");
1764 return OutputToProcess(pr, message, count, outError);
1767 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1774 if (appData.debugMode) {
1775 fprintf(debugFP, ">ICS: ");
1776 show_bytes(debugFP, buf, newcount);
1777 fprintf(debugFP, "\n");
1779 outcount = OutputToProcess(pr, buf, newcount, outError);
1780 if (outcount < newcount) return -1; /* to be sure */
1787 } else if (((unsigned char) *p) == TN_IAC) {
1788 *q++ = (char) TN_IAC;
1795 if (appData.debugMode) {
1796 fprintf(debugFP, ">ICS: ");
1797 show_bytes(debugFP, buf, newcount);
1798 fprintf(debugFP, "\n");
1800 outcount = OutputToProcess(pr, buf, newcount, outError);
1801 if (outcount < newcount) return -1; /* to be sure */
1806 read_from_player(isr, closure, message, count, error)
1813 int outError, outCount;
1814 static int gotEof = 0;
1816 /* Pass data read from player on to ICS */
1819 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1820 if (outCount < count) {
1821 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1823 } else if (count < 0) {
1824 RemoveInputSource(isr);
1825 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1826 } else if (gotEof++ > 0) {
1827 RemoveInputSource(isr);
1828 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1834 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1835 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1836 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1837 SendToICS("date\n");
1838 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1841 /* added routine for printf style output to ics */
1842 void ics_printf(char *format, ...)
1844 char buffer[MSG_SIZ];
1847 va_start(args, format);
1848 vsnprintf(buffer, sizeof(buffer), format, args);
1849 buffer[sizeof(buffer)-1] = '\0';
1858 int count, outCount, outError;
1860 if (icsPR == NULL) return;
1863 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1864 if (outCount < count) {
1865 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1869 /* This is used for sending logon scripts to the ICS. Sending
1870 without a delay causes problems when using timestamp on ICC
1871 (at least on my machine). */
1873 SendToICSDelayed(s,msdelay)
1877 int count, outCount, outError;
1879 if (icsPR == NULL) return;
1882 if (appData.debugMode) {
1883 fprintf(debugFP, ">ICS: ");
1884 show_bytes(debugFP, s, count);
1885 fprintf(debugFP, "\n");
1887 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1889 if (outCount < count) {
1890 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1895 /* Remove all highlighting escape sequences in s
1896 Also deletes any suffix starting with '('
1899 StripHighlightAndTitle(s)
1902 static char retbuf[MSG_SIZ];
1905 while (*s != NULLCHAR) {
1906 while (*s == '\033') {
1907 while (*s != NULLCHAR && !isalpha(*s)) s++;
1908 if (*s != NULLCHAR) s++;
1910 while (*s != NULLCHAR && *s != '\033') {
1911 if (*s == '(' || *s == '[') {
1922 /* Remove all highlighting escape sequences in s */
1927 static char retbuf[MSG_SIZ];
1930 while (*s != NULLCHAR) {
1931 while (*s == '\033') {
1932 while (*s != NULLCHAR && !isalpha(*s)) s++;
1933 if (*s != NULLCHAR) s++;
1935 while (*s != NULLCHAR && *s != '\033') {
1943 char *variantNames[] = VARIANT_NAMES;
1948 return variantNames[v];
1952 /* Identify a variant from the strings the chess servers use or the
1953 PGN Variant tag names we use. */
1960 VariantClass v = VariantNormal;
1961 int i, found = FALSE;
1967 /* [HGM] skip over optional board-size prefixes */
1968 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1969 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1970 while( *e++ != '_');
1973 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1977 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1978 if (StrCaseStr(e, variantNames[i])) {
1979 v = (VariantClass) i;
1986 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1987 || StrCaseStr(e, "wild/fr")
1988 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1989 v = VariantFischeRandom;
1990 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1991 (i = 1, p = StrCaseStr(e, "w"))) {
1993 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2000 case 0: /* FICS only, actually */
2002 /* Castling legal even if K starts on d-file */
2003 v = VariantWildCastle;
2008 /* Castling illegal even if K & R happen to start in
2009 normal positions. */
2010 v = VariantNoCastle;
2023 /* Castling legal iff K & R start in normal positions */
2029 /* Special wilds for position setup; unclear what to do here */
2030 v = VariantLoadable;
2033 /* Bizarre ICC game */
2034 v = VariantTwoKings;
2037 v = VariantKriegspiel;
2043 v = VariantFischeRandom;
2046 v = VariantCrazyhouse;
2049 v = VariantBughouse;
2055 /* Not quite the same as FICS suicide! */
2056 v = VariantGiveaway;
2062 v = VariantShatranj;
2065 /* Temporary names for future ICC types. The name *will* change in
2066 the next xboard/WinBoard release after ICC defines it. */
2104 v = VariantCapablanca;
2107 v = VariantKnightmate;
2113 v = VariantCylinder;
2119 v = VariantCapaRandom;
2122 v = VariantBerolina;
2134 /* Found "wild" or "w" in the string but no number;
2135 must assume it's normal chess. */
2139 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2140 if( (len > MSG_SIZ) && appData.debugMode )
2141 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2143 DisplayError(buf, 0);
2149 if (appData.debugMode) {
2150 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2151 e, wnum, VariantName(v));
2156 static int leftover_start = 0, leftover_len = 0;
2157 char star_match[STAR_MATCH_N][MSG_SIZ];
2159 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2160 advance *index beyond it, and set leftover_start to the new value of
2161 *index; else return FALSE. If pattern contains the character '*', it
2162 matches any sequence of characters not containing '\r', '\n', or the
2163 character following the '*' (if any), and the matched sequence(s) are
2164 copied into star_match.
2167 looking_at(buf, index, pattern)
2172 char *bufp = &buf[*index], *patternp = pattern;
2174 char *matchp = star_match[0];
2177 if (*patternp == NULLCHAR) {
2178 *index = leftover_start = bufp - buf;
2182 if (*bufp == NULLCHAR) return FALSE;
2183 if (*patternp == '*') {
2184 if (*bufp == *(patternp + 1)) {
2186 matchp = star_match[++star_count];
2190 } else if (*bufp == '\n' || *bufp == '\r') {
2192 if (*patternp == NULLCHAR)
2197 *matchp++ = *bufp++;
2201 if (*patternp != *bufp) return FALSE;
2208 SendToPlayer(data, length)
2212 int error, outCount;
2213 outCount = OutputToProcess(NoProc, data, length, &error);
2214 if (outCount < length) {
2215 DisplayFatalError(_("Error writing to display"), error, 1);
2220 PackHolding(packed, holding)
2232 switch (runlength) {
2243 sprintf(q, "%d", runlength);
2255 /* Telnet protocol requests from the front end */
2257 TelnetRequest(ddww, option)
2258 unsigned char ddww, option;
2260 unsigned char msg[3];
2261 int outCount, outError;
2263 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2265 if (appData.debugMode) {
2266 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2282 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2291 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2294 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2299 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2301 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2308 if (!appData.icsActive) return;
2309 TelnetRequest(TN_DO, TN_ECHO);
2315 if (!appData.icsActive) return;
2316 TelnetRequest(TN_DONT, TN_ECHO);
2320 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2322 /* put the holdings sent to us by the server on the board holdings area */
2323 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2327 if(gameInfo.holdingsWidth < 2) return;
2328 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2329 return; // prevent overwriting by pre-board holdings
2331 if( (int)lowestPiece >= BlackPawn ) {
2334 holdingsStartRow = BOARD_HEIGHT-1;
2337 holdingsColumn = BOARD_WIDTH-1;
2338 countsColumn = BOARD_WIDTH-2;
2339 holdingsStartRow = 0;
2343 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2344 board[i][holdingsColumn] = EmptySquare;
2345 board[i][countsColumn] = (ChessSquare) 0;
2347 while( (p=*holdings++) != NULLCHAR ) {
2348 piece = CharToPiece( ToUpper(p) );
2349 if(piece == EmptySquare) continue;
2350 /*j = (int) piece - (int) WhitePawn;*/
2351 j = PieceToNumber(piece);
2352 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2353 if(j < 0) continue; /* should not happen */
2354 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2355 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2356 board[holdingsStartRow+j*direction][countsColumn]++;
2362 VariantSwitch(Board board, VariantClass newVariant)
2364 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2365 static Board oldBoard;
2367 startedFromPositionFile = FALSE;
2368 if(gameInfo.variant == newVariant) return;
2370 /* [HGM] This routine is called each time an assignment is made to
2371 * gameInfo.variant during a game, to make sure the board sizes
2372 * are set to match the new variant. If that means adding or deleting
2373 * holdings, we shift the playing board accordingly
2374 * This kludge is needed because in ICS observe mode, we get boards
2375 * of an ongoing game without knowing the variant, and learn about the
2376 * latter only later. This can be because of the move list we requested,
2377 * in which case the game history is refilled from the beginning anyway,
2378 * but also when receiving holdings of a crazyhouse game. In the latter
2379 * case we want to add those holdings to the already received position.
2383 if (appData.debugMode) {
2384 fprintf(debugFP, "Switch board from %s to %s\n",
2385 VariantName(gameInfo.variant), VariantName(newVariant));
2386 setbuf(debugFP, NULL);
2388 shuffleOpenings = 0; /* [HGM] shuffle */
2389 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2393 newWidth = 9; newHeight = 9;
2394 gameInfo.holdingsSize = 7;
2395 case VariantBughouse:
2396 case VariantCrazyhouse:
2397 newHoldingsWidth = 2; break;
2401 newHoldingsWidth = 2;
2402 gameInfo.holdingsSize = 8;
2405 case VariantCapablanca:
2406 case VariantCapaRandom:
2409 newHoldingsWidth = gameInfo.holdingsSize = 0;
2412 if(newWidth != gameInfo.boardWidth ||
2413 newHeight != gameInfo.boardHeight ||
2414 newHoldingsWidth != gameInfo.holdingsWidth ) {
2416 /* shift position to new playing area, if needed */
2417 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2418 for(i=0; i<BOARD_HEIGHT; i++)
2419 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2420 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2422 for(i=0; i<newHeight; i++) {
2423 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2424 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2426 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2427 for(i=0; i<BOARD_HEIGHT; i++)
2428 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2429 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2432 gameInfo.boardWidth = newWidth;
2433 gameInfo.boardHeight = newHeight;
2434 gameInfo.holdingsWidth = newHoldingsWidth;
2435 gameInfo.variant = newVariant;
2436 InitDrawingSizes(-2, 0);
2437 } else gameInfo.variant = newVariant;
2438 CopyBoard(oldBoard, board); // remember correctly formatted board
2439 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2440 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2443 static int loggedOn = FALSE;
2445 /*-- Game start info cache: --*/
2447 char gs_kind[MSG_SIZ];
2448 static char player1Name[128] = "";
2449 static char player2Name[128] = "";
2450 static char cont_seq[] = "\n\\ ";
2451 static int player1Rating = -1;
2452 static int player2Rating = -1;
2453 /*----------------------------*/
2455 ColorClass curColor = ColorNormal;
2456 int suppressKibitz = 0;
2459 Boolean soughtPending = FALSE;
2460 Boolean seekGraphUp;
2461 #define MAX_SEEK_ADS 200
2463 char *seekAdList[MAX_SEEK_ADS];
2464 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2465 float tcList[MAX_SEEK_ADS];
2466 char colorList[MAX_SEEK_ADS];
2467 int nrOfSeekAds = 0;
2468 int minRating = 1010, maxRating = 2800;
2469 int hMargin = 10, vMargin = 20, h, w;
2470 extern int squareSize, lineGap;
2475 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2476 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2477 if(r < minRating+100 && r >=0 ) r = minRating+100;
2478 if(r > maxRating) r = maxRating;
2479 if(tc < 1.) tc = 1.;
2480 if(tc > 95.) tc = 95.;
2481 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2482 y = ((double)r - minRating)/(maxRating - minRating)
2483 * (h-vMargin-squareSize/8-1) + vMargin;
2484 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2485 if(strstr(seekAdList[i], " u ")) color = 1;
2486 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2487 !strstr(seekAdList[i], "bullet") &&
2488 !strstr(seekAdList[i], "blitz") &&
2489 !strstr(seekAdList[i], "standard") ) color = 2;
2490 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2491 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2495 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2497 char buf[MSG_SIZ], *ext = "";
2498 VariantClass v = StringToVariant(type);
2499 if(strstr(type, "wild")) {
2500 ext = type + 4; // append wild number
2501 if(v == VariantFischeRandom) type = "chess960"; else
2502 if(v == VariantLoadable) type = "setup"; else
2503 type = VariantName(v);
2505 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2506 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2507 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2508 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2509 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2510 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2511 seekNrList[nrOfSeekAds] = nr;
2512 zList[nrOfSeekAds] = 0;
2513 seekAdList[nrOfSeekAds++] = StrSave(buf);
2514 if(plot) PlotSeekAd(nrOfSeekAds-1);
2521 int x = xList[i], y = yList[i], d=squareSize/4, k;
2522 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2523 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2524 // now replot every dot that overlapped
2525 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2526 int xx = xList[k], yy = yList[k];
2527 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2528 DrawSeekDot(xx, yy, colorList[k]);
2533 RemoveSeekAd(int nr)
2536 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2538 if(seekAdList[i]) free(seekAdList[i]);
2539 seekAdList[i] = seekAdList[--nrOfSeekAds];
2540 seekNrList[i] = seekNrList[nrOfSeekAds];
2541 ratingList[i] = ratingList[nrOfSeekAds];
2542 colorList[i] = colorList[nrOfSeekAds];
2543 tcList[i] = tcList[nrOfSeekAds];
2544 xList[i] = xList[nrOfSeekAds];
2545 yList[i] = yList[nrOfSeekAds];
2546 zList[i] = zList[nrOfSeekAds];
2547 seekAdList[nrOfSeekAds] = NULL;
2553 MatchSoughtLine(char *line)
2555 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2556 int nr, base, inc, u=0; char dummy;
2558 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2559 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2561 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2562 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2563 // match: compact and save the line
2564 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2574 if(!seekGraphUp) return FALSE;
2575 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2576 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2578 DrawSeekBackground(0, 0, w, h);
2579 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2580 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2581 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2582 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2584 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2587 snprintf(buf, MSG_SIZ, "%d", i);
2588 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2591 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2592 for(i=1; i<100; i+=(i<10?1:5)) {
2593 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2594 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2595 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2597 snprintf(buf, MSG_SIZ, "%d", i);
2598 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2601 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2605 int SeekGraphClick(ClickType click, int x, int y, int moving)
2607 static int lastDown = 0, displayed = 0, lastSecond;
2608 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2609 if(click == Release || moving) return FALSE;
2611 soughtPending = TRUE;
2612 SendToICS(ics_prefix);
2613 SendToICS("sought\n"); // should this be "sought all"?
2614 } else { // issue challenge based on clicked ad
2615 int dist = 10000; int i, closest = 0, second = 0;
2616 for(i=0; i<nrOfSeekAds; i++) {
2617 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2618 if(d < dist) { dist = d; closest = i; }
2619 second += (d - zList[i] < 120); // count in-range ads
2620 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2624 second = (second > 1);
2625 if(displayed != closest || second != lastSecond) {
2626 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2627 lastSecond = second; displayed = closest;
2629 if(click == Press) {
2630 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2633 } // on press 'hit', only show info
2634 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2635 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2636 SendToICS(ics_prefix);
2638 return TRUE; // let incoming board of started game pop down the graph
2639 } else if(click == Release) { // release 'miss' is ignored
2640 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2641 if(moving == 2) { // right up-click
2642 nrOfSeekAds = 0; // refresh graph
2643 soughtPending = TRUE;
2644 SendToICS(ics_prefix);
2645 SendToICS("sought\n"); // should this be "sought all"?
2648 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2649 // press miss or release hit 'pop down' seek graph
2650 seekGraphUp = FALSE;
2651 DrawPosition(TRUE, NULL);
2657 read_from_ics(isr, closure, data, count, error)
2664 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2665 #define STARTED_NONE 0
2666 #define STARTED_MOVES 1
2667 #define STARTED_BOARD 2
2668 #define STARTED_OBSERVE 3
2669 #define STARTED_HOLDINGS 4
2670 #define STARTED_CHATTER 5
2671 #define STARTED_COMMENT 6
2672 #define STARTED_MOVES_NOHIDE 7
2674 static int started = STARTED_NONE;
2675 static char parse[20000];
2676 static int parse_pos = 0;
2677 static char buf[BUF_SIZE + 1];
2678 static int firstTime = TRUE, intfSet = FALSE;
2679 static ColorClass prevColor = ColorNormal;
2680 static int savingComment = FALSE;
2681 static int cmatch = 0; // continuation sequence match
2688 int backup; /* [DM] For zippy color lines */
2690 char talker[MSG_SIZ]; // [HGM] chat
2693 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2695 if (appData.debugMode) {
2697 fprintf(debugFP, "<ICS: ");
2698 show_bytes(debugFP, data, count);
2699 fprintf(debugFP, "\n");
2703 if (appData.debugMode) { int f = forwardMostMove;
2704 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2705 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2706 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2709 /* If last read ended with a partial line that we couldn't parse,
2710 prepend it to the new read and try again. */
2711 if (leftover_len > 0) {
2712 for (i=0; i<leftover_len; i++)
2713 buf[i] = buf[leftover_start + i];
2716 /* copy new characters into the buffer */
2717 bp = buf + leftover_len;
2718 buf_len=leftover_len;
2719 for (i=0; i<count; i++)
2722 if (data[i] == '\r')
2725 // join lines split by ICS?
2726 if (!appData.noJoin)
2729 Joining just consists of finding matches against the
2730 continuation sequence, and discarding that sequence
2731 if found instead of copying it. So, until a match
2732 fails, there's nothing to do since it might be the
2733 complete sequence, and thus, something we don't want
2736 if (data[i] == cont_seq[cmatch])
2739 if (cmatch == strlen(cont_seq))
2741 cmatch = 0; // complete match. just reset the counter
2744 it's possible for the ICS to not include the space
2745 at the end of the last word, making our [correct]
2746 join operation fuse two separate words. the server
2747 does this when the space occurs at the width setting.
2749 if (!buf_len || buf[buf_len-1] != ' ')
2760 match failed, so we have to copy what matched before
2761 falling through and copying this character. In reality,
2762 this will only ever be just the newline character, but
2763 it doesn't hurt to be precise.
2765 strncpy(bp, cont_seq, cmatch);
2777 buf[buf_len] = NULLCHAR;
2778 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2783 while (i < buf_len) {
2784 /* Deal with part of the TELNET option negotiation
2785 protocol. We refuse to do anything beyond the
2786 defaults, except that we allow the WILL ECHO option,
2787 which ICS uses to turn off password echoing when we are
2788 directly connected to it. We reject this option
2789 if localLineEditing mode is on (always on in xboard)
2790 and we are talking to port 23, which might be a real
2791 telnet server that will try to keep WILL ECHO on permanently.
2793 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2794 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2795 unsigned char option;
2797 switch ((unsigned char) buf[++i]) {
2799 if (appData.debugMode)
2800 fprintf(debugFP, "\n<WILL ");
2801 switch (option = (unsigned char) buf[++i]) {
2803 if (appData.debugMode)
2804 fprintf(debugFP, "ECHO ");
2805 /* Reply only if this is a change, according
2806 to the protocol rules. */
2807 if (remoteEchoOption) break;
2808 if (appData.localLineEditing &&
2809 atoi(appData.icsPort) == TN_PORT) {
2810 TelnetRequest(TN_DONT, TN_ECHO);
2813 TelnetRequest(TN_DO, TN_ECHO);
2814 remoteEchoOption = TRUE;
2818 if (appData.debugMode)
2819 fprintf(debugFP, "%d ", option);
2820 /* Whatever this is, we don't want it. */
2821 TelnetRequest(TN_DONT, option);
2826 if (appData.debugMode)
2827 fprintf(debugFP, "\n<WONT ");
2828 switch (option = (unsigned char) buf[++i]) {
2830 if (appData.debugMode)
2831 fprintf(debugFP, "ECHO ");
2832 /* Reply only if this is a change, according
2833 to the protocol rules. */
2834 if (!remoteEchoOption) break;
2836 TelnetRequest(TN_DONT, TN_ECHO);
2837 remoteEchoOption = FALSE;
2840 if (appData.debugMode)
2841 fprintf(debugFP, "%d ", (unsigned char) option);
2842 /* Whatever this is, it must already be turned
2843 off, because we never agree to turn on
2844 anything non-default, so according to the
2845 protocol rules, we don't reply. */
2850 if (appData.debugMode)
2851 fprintf(debugFP, "\n<DO ");
2852 switch (option = (unsigned char) buf[++i]) {
2854 /* Whatever this is, we refuse to do it. */
2855 if (appData.debugMode)
2856 fprintf(debugFP, "%d ", option);
2857 TelnetRequest(TN_WONT, option);
2862 if (appData.debugMode)
2863 fprintf(debugFP, "\n<DONT ");
2864 switch (option = (unsigned char) buf[++i]) {
2866 if (appData.debugMode)
2867 fprintf(debugFP, "%d ", option);
2868 /* Whatever this is, we are already not doing
2869 it, because we never agree to do anything
2870 non-default, so according to the protocol
2871 rules, we don't reply. */
2876 if (appData.debugMode)
2877 fprintf(debugFP, "\n<IAC ");
2878 /* Doubled IAC; pass it through */
2882 if (appData.debugMode)
2883 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2884 /* Drop all other telnet commands on the floor */
2887 if (oldi > next_out)
2888 SendToPlayer(&buf[next_out], oldi - next_out);
2894 /* OK, this at least will *usually* work */
2895 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2899 if (loggedOn && !intfSet) {
2900 if (ics_type == ICS_ICC) {
2901 snprintf(str, MSG_SIZ,
2902 "/set-quietly interface %s\n/set-quietly style 12\n",
2904 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2905 strcat(str, "/set-2 51 1\n/set seek 1\n");
2906 } else if (ics_type == ICS_CHESSNET) {
2907 snprintf(str, MSG_SIZ, "/style 12\n");
2909 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2910 strcat(str, programVersion);
2911 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2912 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2913 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2915 strcat(str, "$iset nohighlight 1\n");
2917 strcat(str, "$iset lock 1\n$style 12\n");
2920 NotifyFrontendLogin();
2924 if (started == STARTED_COMMENT) {
2925 /* Accumulate characters in comment */
2926 parse[parse_pos++] = buf[i];
2927 if (buf[i] == '\n') {
2928 parse[parse_pos] = NULLCHAR;
2929 if(chattingPartner>=0) {
2931 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2932 OutputChatMessage(chattingPartner, mess);
2933 chattingPartner = -1;
2934 next_out = i+1; // [HGM] suppress printing in ICS window
2936 if(!suppressKibitz) // [HGM] kibitz
2937 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2938 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2939 int nrDigit = 0, nrAlph = 0, j;
2940 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2941 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2942 parse[parse_pos] = NULLCHAR;
2943 // try to be smart: if it does not look like search info, it should go to
2944 // ICS interaction window after all, not to engine-output window.
2945 for(j=0; j<parse_pos; j++) { // count letters and digits
2946 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2947 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2948 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2950 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2951 int depth=0; float score;
2952 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2953 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2954 pvInfoList[forwardMostMove-1].depth = depth;
2955 pvInfoList[forwardMostMove-1].score = 100*score;
2957 OutputKibitz(suppressKibitz, parse);
2960 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2961 SendToPlayer(tmp, strlen(tmp));
2963 next_out = i+1; // [HGM] suppress printing in ICS window
2965 started = STARTED_NONE;
2967 /* Don't match patterns against characters in comment */
2972 if (started == STARTED_CHATTER) {
2973 if (buf[i] != '\n') {
2974 /* Don't match patterns against characters in chatter */
2978 started = STARTED_NONE;
2979 if(suppressKibitz) next_out = i+1;
2982 /* Kludge to deal with rcmd protocol */
2983 if (firstTime && looking_at(buf, &i, "\001*")) {
2984 DisplayFatalError(&buf[1], 0, 1);
2990 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2993 if (appData.debugMode)
2994 fprintf(debugFP, "ics_type %d\n", ics_type);
2997 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2998 ics_type = ICS_FICS;
3000 if (appData.debugMode)
3001 fprintf(debugFP, "ics_type %d\n", ics_type);
3004 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3005 ics_type = ICS_CHESSNET;
3007 if (appData.debugMode)
3008 fprintf(debugFP, "ics_type %d\n", ics_type);
3013 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3014 looking_at(buf, &i, "Logging you in as \"*\"") ||
3015 looking_at(buf, &i, "will be \"*\""))) {
3016 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3020 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3022 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3023 DisplayIcsInteractionTitle(buf);
3024 have_set_title = TRUE;
3027 /* skip finger notes */
3028 if (started == STARTED_NONE &&
3029 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3030 (buf[i] == '1' && buf[i+1] == '0')) &&
3031 buf[i+2] == ':' && buf[i+3] == ' ') {
3032 started = STARTED_CHATTER;
3038 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3039 if(appData.seekGraph) {
3040 if(soughtPending && MatchSoughtLine(buf+i)) {
3041 i = strstr(buf+i, "rated") - buf;
3042 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3043 next_out = leftover_start = i;
3044 started = STARTED_CHATTER;
3045 suppressKibitz = TRUE;
3048 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3049 && looking_at(buf, &i, "* ads displayed")) {
3050 soughtPending = FALSE;
3055 if(appData.autoRefresh) {
3056 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3057 int s = (ics_type == ICS_ICC); // ICC format differs
3059 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3060 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3061 looking_at(buf, &i, "*% "); // eat prompt
3062 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3063 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3064 next_out = i; // suppress
3067 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3068 char *p = star_match[0];
3070 if(seekGraphUp) RemoveSeekAd(atoi(p));
3071 while(*p && *p++ != ' '); // next
3073 looking_at(buf, &i, "*% "); // eat prompt
3074 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3081 /* skip formula vars */
3082 if (started == STARTED_NONE &&
3083 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3084 started = STARTED_CHATTER;
3089 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3090 if (appData.autoKibitz && started == STARTED_NONE &&
3091 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3092 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3093 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3094 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3095 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3096 suppressKibitz = TRUE;
3097 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3099 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3100 && (gameMode == IcsPlayingWhite)) ||
3101 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3102 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3103 started = STARTED_CHATTER; // own kibitz we simply discard
3105 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3106 parse_pos = 0; parse[0] = NULLCHAR;
3107 savingComment = TRUE;
3108 suppressKibitz = gameMode != IcsObserving ? 2 :
3109 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3113 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3114 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3115 && atoi(star_match[0])) {
3116 // suppress the acknowledgements of our own autoKibitz
3118 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3119 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3120 SendToPlayer(star_match[0], strlen(star_match[0]));
3121 if(looking_at(buf, &i, "*% ")) // eat prompt
3122 suppressKibitz = FALSE;
3126 } // [HGM] kibitz: end of patch
3128 // [HGM] chat: intercept tells by users for which we have an open chat window
3130 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3131 looking_at(buf, &i, "* whispers:") ||
3132 looking_at(buf, &i, "* kibitzes:") ||
3133 looking_at(buf, &i, "* shouts:") ||
3134 looking_at(buf, &i, "* c-shouts:") ||
3135 looking_at(buf, &i, "--> * ") ||
3136 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3137 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3138 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3139 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3141 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3142 chattingPartner = -1;
3144 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3145 for(p=0; p<MAX_CHAT; p++) {
3146 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3147 talker[0] = '['; strcat(talker, "] ");
3148 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3149 chattingPartner = p; break;
3152 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3153 for(p=0; p<MAX_CHAT; p++) {
3154 if(!strcmp("kibitzes", chatPartner[p])) {
3155 talker[0] = '['; strcat(talker, "] ");
3156 chattingPartner = p; break;
3159 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3160 for(p=0; p<MAX_CHAT; p++) {
3161 if(!strcmp("whispers", chatPartner[p])) {
3162 talker[0] = '['; strcat(talker, "] ");
3163 chattingPartner = p; break;
3166 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3167 if(buf[i-8] == '-' && buf[i-3] == 't')
3168 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3169 if(!strcmp("c-shouts", chatPartner[p])) {
3170 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3171 chattingPartner = p; break;
3174 if(chattingPartner < 0)
3175 for(p=0; p<MAX_CHAT; p++) {
3176 if(!strcmp("shouts", chatPartner[p])) {
3177 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3178 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3179 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3180 chattingPartner = p; break;
3184 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3185 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3186 talker[0] = 0; Colorize(ColorTell, FALSE);
3187 chattingPartner = p; break;
3189 if(chattingPartner<0) i = oldi; else {
3190 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3191 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3192 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3193 started = STARTED_COMMENT;
3194 parse_pos = 0; parse[0] = NULLCHAR;
3195 savingComment = 3 + chattingPartner; // counts as TRUE
3196 suppressKibitz = TRUE;
3199 } // [HGM] chat: end of patch
3202 if (appData.zippyTalk || appData.zippyPlay) {
3203 /* [DM] Backup address for color zippy lines */
3205 if (loggedOn == TRUE)
3206 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3207 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3209 } // [DM] 'else { ' deleted
3211 /* Regular tells and says */
3212 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3213 looking_at(buf, &i, "* (your partner) tells you: ") ||
3214 looking_at(buf, &i, "* says: ") ||
3215 /* Don't color "message" or "messages" output */
3216 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3217 looking_at(buf, &i, "*. * at *:*: ") ||
3218 looking_at(buf, &i, "--* (*:*): ") ||
3219 /* Message notifications (same color as tells) */
3220 looking_at(buf, &i, "* has left a message ") ||
3221 looking_at(buf, &i, "* just sent you a message:\n") ||
3222 /* Whispers and kibitzes */
3223 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3224 looking_at(buf, &i, "* kibitzes: ") ||
3226 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3228 if (tkind == 1 && strchr(star_match[0], ':')) {
3229 /* Avoid "tells you:" spoofs in channels */
3232 if (star_match[0][0] == NULLCHAR ||
3233 strchr(star_match[0], ' ') ||
3234 (tkind == 3 && strchr(star_match[1], ' '))) {
3235 /* Reject bogus matches */
3238 if (appData.colorize) {
3239 if (oldi > next_out) {
3240 SendToPlayer(&buf[next_out], oldi - next_out);
3245 Colorize(ColorTell, FALSE);
3246 curColor = ColorTell;
3249 Colorize(ColorKibitz, FALSE);
3250 curColor = ColorKibitz;
3253 p = strrchr(star_match[1], '(');
3260 Colorize(ColorChannel1, FALSE);
3261 curColor = ColorChannel1;
3263 Colorize(ColorChannel, FALSE);
3264 curColor = ColorChannel;
3268 curColor = ColorNormal;
3272 if (started == STARTED_NONE && appData.autoComment &&
3273 (gameMode == IcsObserving ||
3274 gameMode == IcsPlayingWhite ||
3275 gameMode == IcsPlayingBlack)) {
3276 parse_pos = i - oldi;
3277 memcpy(parse, &buf[oldi], parse_pos);
3278 parse[parse_pos] = NULLCHAR;
3279 started = STARTED_COMMENT;
3280 savingComment = TRUE;
3282 started = STARTED_CHATTER;
3283 savingComment = FALSE;
3290 if (looking_at(buf, &i, "* s-shouts: ") ||
3291 looking_at(buf, &i, "* c-shouts: ")) {
3292 if (appData.colorize) {
3293 if (oldi > next_out) {
3294 SendToPlayer(&buf[next_out], oldi - next_out);
3297 Colorize(ColorSShout, FALSE);
3298 curColor = ColorSShout;
3301 started = STARTED_CHATTER;
3305 if (looking_at(buf, &i, "--->")) {
3310 if (looking_at(buf, &i, "* shouts: ") ||
3311 looking_at(buf, &i, "--> ")) {
3312 if (appData.colorize) {
3313 if (oldi > next_out) {
3314 SendToPlayer(&buf[next_out], oldi - next_out);
3317 Colorize(ColorShout, FALSE);
3318 curColor = ColorShout;
3321 started = STARTED_CHATTER;
3325 if (looking_at( buf, &i, "Challenge:")) {
3326 if (appData.colorize) {
3327 if (oldi > next_out) {
3328 SendToPlayer(&buf[next_out], oldi - next_out);
3331 Colorize(ColorChallenge, FALSE);
3332 curColor = ColorChallenge;
3338 if (looking_at(buf, &i, "* offers you") ||
3339 looking_at(buf, &i, "* offers to be") ||
3340 looking_at(buf, &i, "* would like to") ||
3341 looking_at(buf, &i, "* requests to") ||
3342 looking_at(buf, &i, "Your opponent offers") ||
3343 looking_at(buf, &i, "Your opponent requests")) {
3345 if (appData.colorize) {
3346 if (oldi > next_out) {
3347 SendToPlayer(&buf[next_out], oldi - next_out);
3350 Colorize(ColorRequest, FALSE);
3351 curColor = ColorRequest;
3356 if (looking_at(buf, &i, "* (*) seeking")) {
3357 if (appData.colorize) {
3358 if (oldi > next_out) {
3359 SendToPlayer(&buf[next_out], oldi - next_out);
3362 Colorize(ColorSeek, FALSE);
3363 curColor = ColorSeek;
3368 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3370 if (looking_at(buf, &i, "\\ ")) {
3371 if (prevColor != ColorNormal) {
3372 if (oldi > next_out) {
3373 SendToPlayer(&buf[next_out], oldi - next_out);
3376 Colorize(prevColor, TRUE);
3377 curColor = prevColor;
3379 if (savingComment) {
3380 parse_pos = i - oldi;
3381 memcpy(parse, &buf[oldi], parse_pos);
3382 parse[parse_pos] = NULLCHAR;
3383 started = STARTED_COMMENT;
3384 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3385 chattingPartner = savingComment - 3; // kludge to remember the box
3387 started = STARTED_CHATTER;
3392 if (looking_at(buf, &i, "Black Strength :") ||
3393 looking_at(buf, &i, "<<< style 10 board >>>") ||
3394 looking_at(buf, &i, "<10>") ||
3395 looking_at(buf, &i, "#@#")) {
3396 /* Wrong board style */
3398 SendToICS(ics_prefix);
3399 SendToICS("set style 12\n");
3400 SendToICS(ics_prefix);
3401 SendToICS("refresh\n");
3405 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3407 have_sent_ICS_logon = 1;
3411 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3412 (looking_at(buf, &i, "\n<12> ") ||
3413 looking_at(buf, &i, "<12> "))) {
3415 if (oldi > next_out) {
3416 SendToPlayer(&buf[next_out], oldi - next_out);
3419 started = STARTED_BOARD;
3424 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3425 looking_at(buf, &i, "<b1> ")) {
3426 if (oldi > next_out) {
3427 SendToPlayer(&buf[next_out], oldi - next_out);
3430 started = STARTED_HOLDINGS;
3435 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3437 /* Header for a move list -- first line */
3439 switch (ics_getting_history) {
3443 case BeginningOfGame:
3444 /* User typed "moves" or "oldmoves" while we
3445 were idle. Pretend we asked for these
3446 moves and soak them up so user can step
3447 through them and/or save them.
3450 gameMode = IcsObserving;
3453 ics_getting_history = H_GOT_UNREQ_HEADER;
3455 case EditGame: /*?*/
3456 case EditPosition: /*?*/
3457 /* Should above feature work in these modes too? */
3458 /* For now it doesn't */
3459 ics_getting_history = H_GOT_UNWANTED_HEADER;
3462 ics_getting_history = H_GOT_UNWANTED_HEADER;
3467 /* Is this the right one? */
3468 if (gameInfo.white && gameInfo.black &&
3469 strcmp(gameInfo.white, star_match[0]) == 0 &&
3470 strcmp(gameInfo.black, star_match[2]) == 0) {
3472 ics_getting_history = H_GOT_REQ_HEADER;
3475 case H_GOT_REQ_HEADER:
3476 case H_GOT_UNREQ_HEADER:
3477 case H_GOT_UNWANTED_HEADER:
3478 case H_GETTING_MOVES:
3479 /* Should not happen */
3480 DisplayError(_("Error gathering move list: two headers"), 0);
3481 ics_getting_history = H_FALSE;
3485 /* Save player ratings into gameInfo if needed */
3486 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3487 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3488 (gameInfo.whiteRating == -1 ||
3489 gameInfo.blackRating == -1)) {
3491 gameInfo.whiteRating = string_to_rating(star_match[1]);
3492 gameInfo.blackRating = string_to_rating(star_match[3]);
3493 if (appData.debugMode)
3494 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3495 gameInfo.whiteRating, gameInfo.blackRating);
3500 if (looking_at(buf, &i,
3501 "* * match, initial time: * minute*, increment: * second")) {
3502 /* Header for a move list -- second line */
3503 /* Initial board will follow if this is a wild game */
3504 if (gameInfo.event != NULL) free(gameInfo.event);
3505 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3506 gameInfo.event = StrSave(str);
3507 /* [HGM] we switched variant. Translate boards if needed. */
3508 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3512 if (looking_at(buf, &i, "Move ")) {
3513 /* Beginning of a move list */
3514 switch (ics_getting_history) {
3516 /* Normally should not happen */
3517 /* Maybe user hit reset while we were parsing */
3520 /* Happens if we are ignoring a move list that is not
3521 * the one we just requested. Common if the user
3522 * tries to observe two games without turning off
3525 case H_GETTING_MOVES:
3526 /* Should not happen */
3527 DisplayError(_("Error gathering move list: nested"), 0);
3528 ics_getting_history = H_FALSE;
3530 case H_GOT_REQ_HEADER:
3531 ics_getting_history = H_GETTING_MOVES;
3532 started = STARTED_MOVES;
3534 if (oldi > next_out) {
3535 SendToPlayer(&buf[next_out], oldi - next_out);
3538 case H_GOT_UNREQ_HEADER:
3539 ics_getting_history = H_GETTING_MOVES;
3540 started = STARTED_MOVES_NOHIDE;
3543 case H_GOT_UNWANTED_HEADER:
3544 ics_getting_history = H_FALSE;
3550 if (looking_at(buf, &i, "% ") ||
3551 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3552 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3553 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3554 soughtPending = FALSE;
3558 if(suppressKibitz) next_out = i;
3559 savingComment = FALSE;
3563 case STARTED_MOVES_NOHIDE:
3564 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3565 parse[parse_pos + i - oldi] = NULLCHAR;
3566 ParseGameHistory(parse);
3568 if (appData.zippyPlay && first.initDone) {
3569 FeedMovesToProgram(&first, forwardMostMove);
3570 if (gameMode == IcsPlayingWhite) {
3571 if (WhiteOnMove(forwardMostMove)) {
3572 if (first.sendTime) {
3573 if (first.useColors) {
3574 SendToProgram("black\n", &first);
3576 SendTimeRemaining(&first, TRUE);
3578 if (first.useColors) {
3579 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3581 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3582 first.maybeThinking = TRUE;
3584 if (first.usePlayother) {
3585 if (first.sendTime) {
3586 SendTimeRemaining(&first, TRUE);
3588 SendToProgram("playother\n", &first);
3594 } else if (gameMode == IcsPlayingBlack) {
3595 if (!WhiteOnMove(forwardMostMove)) {
3596 if (first.sendTime) {
3597 if (first.useColors) {
3598 SendToProgram("white\n", &first);
3600 SendTimeRemaining(&first, FALSE);
3602 if (first.useColors) {
3603 SendToProgram("black\n", &first);
3605 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3606 first.maybeThinking = TRUE;
3608 if (first.usePlayother) {
3609 if (first.sendTime) {
3610 SendTimeRemaining(&first, FALSE);
3612 SendToProgram("playother\n", &first);
3621 if (gameMode == IcsObserving && ics_gamenum == -1) {
3622 /* Moves came from oldmoves or moves command
3623 while we weren't doing anything else.
3625 currentMove = forwardMostMove;
3626 ClearHighlights();/*!!could figure this out*/
3627 flipView = appData.flipView;
3628 DrawPosition(TRUE, boards[currentMove]);
3629 DisplayBothClocks();
3630 snprintf(str, MSG_SIZ, "%s vs. %s",
3631 gameInfo.white, gameInfo.black);
3635 /* Moves were history of an active game */
3636 if (gameInfo.resultDetails != NULL) {
3637 free(gameInfo.resultDetails);
3638 gameInfo.resultDetails = NULL;
3641 HistorySet(parseList, backwardMostMove,
3642 forwardMostMove, currentMove-1);
3643 DisplayMove(currentMove - 1);
3644 if (started == STARTED_MOVES) next_out = i;
3645 started = STARTED_NONE;
3646 ics_getting_history = H_FALSE;
3649 case STARTED_OBSERVE:
3650 started = STARTED_NONE;
3651 SendToICS(ics_prefix);
3652 SendToICS("refresh\n");
3658 if(bookHit) { // [HGM] book: simulate book reply
3659 static char bookMove[MSG_SIZ]; // a bit generous?
3661 programStats.nodes = programStats.depth = programStats.time =
3662 programStats.score = programStats.got_only_move = 0;
3663 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3665 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3666 strcat(bookMove, bookHit);
3667 HandleMachineMove(bookMove, &first);
3672 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3673 started == STARTED_HOLDINGS ||
3674 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3675 /* Accumulate characters in move list or board */
3676 parse[parse_pos++] = buf[i];
3679 /* Start of game messages. Mostly we detect start of game
3680 when the first board image arrives. On some versions
3681 of the ICS, though, we need to do a "refresh" after starting
3682 to observe in order to get the current board right away. */
3683 if (looking_at(buf, &i, "Adding game * to observation list")) {
3684 started = STARTED_OBSERVE;
3688 /* Handle auto-observe */
3689 if (appData.autoObserve &&
3690 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3691 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3693 /* Choose the player that was highlighted, if any. */
3694 if (star_match[0][0] == '\033' ||
3695 star_match[1][0] != '\033') {
3696 player = star_match[0];
3698 player = star_match[2];
3700 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3701 ics_prefix, StripHighlightAndTitle(player));
3704 /* Save ratings from notify string */
3705 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3706 player1Rating = string_to_rating(star_match[1]);
3707 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3708 player2Rating = string_to_rating(star_match[3]);
3710 if (appData.debugMode)
3712 "Ratings from 'Game notification:' %s %d, %s %d\n",
3713 player1Name, player1Rating,
3714 player2Name, player2Rating);
3719 /* Deal with automatic examine mode after a game,
3720 and with IcsObserving -> IcsExamining transition */
3721 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3722 looking_at(buf, &i, "has made you an examiner of game *")) {
3724 int gamenum = atoi(star_match[0]);
3725 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3726 gamenum == ics_gamenum) {
3727 /* We were already playing or observing this game;
3728 no need to refetch history */
3729 gameMode = IcsExamining;
3731 pauseExamForwardMostMove = forwardMostMove;
3732 } else if (currentMove < forwardMostMove) {
3733 ForwardInner(forwardMostMove);
3736 /* I don't think this case really can happen */
3737 SendToICS(ics_prefix);
3738 SendToICS("refresh\n");
3743 /* Error messages */
3744 // if (ics_user_moved) {
3745 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3746 if (looking_at(buf, &i, "Illegal move") ||
3747 looking_at(buf, &i, "Not a legal move") ||
3748 looking_at(buf, &i, "Your king is in check") ||
3749 looking_at(buf, &i, "It isn't your turn") ||
3750 looking_at(buf, &i, "It is not your move")) {
3752 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3753 currentMove = forwardMostMove-1;
3754 DisplayMove(currentMove - 1); /* before DMError */
3755 DrawPosition(FALSE, boards[currentMove]);
3756 SwitchClocks(forwardMostMove-1); // [HGM] race
3757 DisplayBothClocks();
3759 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3765 if (looking_at(buf, &i, "still have time") ||
3766 looking_at(buf, &i, "not out of time") ||
3767 looking_at(buf, &i, "either player is out of time") ||
3768 looking_at(buf, &i, "has timeseal; checking")) {
3769 /* We must have called his flag a little too soon */
3770 whiteFlag = blackFlag = FALSE;
3774 if (looking_at(buf, &i, "added * seconds to") ||
3775 looking_at(buf, &i, "seconds were added to")) {
3776 /* Update the clocks */
3777 SendToICS(ics_prefix);
3778 SendToICS("refresh\n");
3782 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3783 ics_clock_paused = TRUE;
3788 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3789 ics_clock_paused = FALSE;
3794 /* Grab player ratings from the Creating: message.
3795 Note we have to check for the special case when
3796 the ICS inserts things like [white] or [black]. */
3797 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3798 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3800 0 player 1 name (not necessarily white)
3802 2 empty, white, or black (IGNORED)
3803 3 player 2 name (not necessarily black)
3806 The names/ratings are sorted out when the game
3807 actually starts (below).
3809 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3810 player1Rating = string_to_rating(star_match[1]);
3811 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3812 player2Rating = string_to_rating(star_match[4]);
3814 if (appData.debugMode)
3816 "Ratings from 'Creating:' %s %d, %s %d\n",
3817 player1Name, player1Rating,
3818 player2Name, player2Rating);
3823 /* Improved generic start/end-of-game messages */
3824 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3825 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3826 /* If tkind == 0: */
3827 /* star_match[0] is the game number */
3828 /* [1] is the white player's name */
3829 /* [2] is the black player's name */
3830 /* For end-of-game: */
3831 /* [3] is the reason for the game end */
3832 /* [4] is a PGN end game-token, preceded by " " */
3833 /* For start-of-game: */
3834 /* [3] begins with "Creating" or "Continuing" */
3835 /* [4] is " *" or empty (don't care). */
3836 int gamenum = atoi(star_match[0]);
3837 char *whitename, *blackname, *why, *endtoken;
3838 ChessMove endtype = EndOfFile;
3841 whitename = star_match[1];
3842 blackname = star_match[2];
3843 why = star_match[3];
3844 endtoken = star_match[4];
3846 whitename = star_match[1];
3847 blackname = star_match[3];
3848 why = star_match[5];
3849 endtoken = star_match[6];
3852 /* Game start messages */
3853 if (strncmp(why, "Creating ", 9) == 0 ||
3854 strncmp(why, "Continuing ", 11) == 0) {
3855 gs_gamenum = gamenum;
3856 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3857 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3859 if (appData.zippyPlay) {
3860 ZippyGameStart(whitename, blackname);
3863 partnerBoardValid = FALSE; // [HGM] bughouse
3867 /* Game end messages */
3868 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3869 ics_gamenum != gamenum) {
3872 while (endtoken[0] == ' ') endtoken++;
3873 switch (endtoken[0]) {
3876 endtype = GameUnfinished;
3879 endtype = BlackWins;
3882 if (endtoken[1] == '/')
3883 endtype = GameIsDrawn;
3885 endtype = WhiteWins;
3888 GameEnds(endtype, why, GE_ICS);
3890 if (appData.zippyPlay && first.initDone) {
3891 ZippyGameEnd(endtype, why);
3892 if (first.pr == NULL) {
3893 /* Start the next process early so that we'll
3894 be ready for the next challenge */
3895 StartChessProgram(&first);
3897 /* Send "new" early, in case this command takes
3898 a long time to finish, so that we'll be ready
3899 for the next challenge. */
3900 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3904 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3908 if (looking_at(buf, &i, "Removing game * from observation") ||
3909 looking_at(buf, &i, "no longer observing game *") ||
3910 looking_at(buf, &i, "Game * (*) has no examiners")) {
3911 if (gameMode == IcsObserving &&
3912 atoi(star_match[0]) == ics_gamenum)
3914 /* icsEngineAnalyze */
3915 if (appData.icsEngineAnalyze) {
3922 ics_user_moved = FALSE;
3927 if (looking_at(buf, &i, "no longer examining game *")) {
3928 if (gameMode == IcsExamining &&
3929 atoi(star_match[0]) == ics_gamenum)
3933 ics_user_moved = FALSE;
3938 /* Advance leftover_start past any newlines we find,
3939 so only partial lines can get reparsed */
3940 if (looking_at(buf, &i, "\n")) {
3941 prevColor = curColor;
3942 if (curColor != ColorNormal) {
3943 if (oldi > next_out) {
3944 SendToPlayer(&buf[next_out], oldi - next_out);
3947 Colorize(ColorNormal, FALSE);
3948 curColor = ColorNormal;
3950 if (started == STARTED_BOARD) {
3951 started = STARTED_NONE;
3952 parse[parse_pos] = NULLCHAR;
3953 ParseBoard12(parse);
3956 /* Send premove here */
3957 if (appData.premove) {
3959 if (currentMove == 0 &&
3960 gameMode == IcsPlayingWhite &&
3961 appData.premoveWhite) {
3962 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3963 if (appData.debugMode)
3964 fprintf(debugFP, "Sending premove:\n");
3966 } else if (currentMove == 1 &&
3967 gameMode == IcsPlayingBlack &&
3968 appData.premoveBlack) {
3969 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3970 if (appData.debugMode)
3971 fprintf(debugFP, "Sending premove:\n");
3973 } else if (gotPremove) {
3975 ClearPremoveHighlights();
3976 if (appData.debugMode)
3977 fprintf(debugFP, "Sending premove:\n");
3978 UserMoveEvent(premoveFromX, premoveFromY,
3979 premoveToX, premoveToY,
3984 /* Usually suppress following prompt */
3985 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3986 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3987 if (looking_at(buf, &i, "*% ")) {
3988 savingComment = FALSE;
3993 } else if (started == STARTED_HOLDINGS) {
3995 char new_piece[MSG_SIZ];
3996 started = STARTED_NONE;
3997 parse[parse_pos] = NULLCHAR;
3998 if (appData.debugMode)
3999 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4000 parse, currentMove);
4001 if (sscanf(parse, " game %d", &gamenum) == 1) {
4002 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4003 if (gameInfo.variant == VariantNormal) {
4004 /* [HGM] We seem to switch variant during a game!
4005 * Presumably no holdings were displayed, so we have
4006 * to move the position two files to the right to
4007 * create room for them!
4009 VariantClass newVariant;
4010 switch(gameInfo.boardWidth) { // base guess on board width
4011 case 9: newVariant = VariantShogi; break;
4012 case 10: newVariant = VariantGreat; break;
4013 default: newVariant = VariantCrazyhouse; break;
4015 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4016 /* Get a move list just to see the header, which
4017 will tell us whether this is really bug or zh */
4018 if (ics_getting_history == H_FALSE) {
4019 ics_getting_history = H_REQUESTED;
4020 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4024 new_piece[0] = NULLCHAR;
4025 sscanf(parse, "game %d white [%s black [%s <- %s",
4026 &gamenum, white_holding, black_holding,
4028 white_holding[strlen(white_holding)-1] = NULLCHAR;
4029 black_holding[strlen(black_holding)-1] = NULLCHAR;
4030 /* [HGM] copy holdings to board holdings area */
4031 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4032 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4033 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4035 if (appData.zippyPlay && first.initDone) {
4036 ZippyHoldings(white_holding, black_holding,
4040 if (tinyLayout || smallLayout) {
4041 char wh[16], bh[16];
4042 PackHolding(wh, white_holding);
4043 PackHolding(bh, black_holding);
4044 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4045 gameInfo.white, gameInfo.black);
4047 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4048 gameInfo.white, white_holding,
4049 gameInfo.black, black_holding);
4051 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4052 DrawPosition(FALSE, boards[currentMove]);
4054 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4055 sscanf(parse, "game %d white [%s black [%s <- %s",
4056 &gamenum, white_holding, black_holding,
4058 white_holding[strlen(white_holding)-1] = NULLCHAR;
4059 black_holding[strlen(black_holding)-1] = NULLCHAR;
4060 /* [HGM] copy holdings to partner-board holdings area */
4061 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4062 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4063 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4064 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4065 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4068 /* Suppress following prompt */
4069 if (looking_at(buf, &i, "*% ")) {
4070 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4071 savingComment = FALSE;
4079 i++; /* skip unparsed character and loop back */
4082 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4083 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4084 // SendToPlayer(&buf[next_out], i - next_out);
4085 started != STARTED_HOLDINGS && leftover_start > next_out) {
4086 SendToPlayer(&buf[next_out], leftover_start - next_out);
4090 leftover_len = buf_len - leftover_start;
4091 /* if buffer ends with something we couldn't parse,
4092 reparse it after appending the next read */
4094 } else if (count == 0) {
4095 RemoveInputSource(isr);
4096 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4098 DisplayFatalError(_("Error reading from ICS"), error, 1);
4103 /* Board style 12 looks like this:
4105 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4107 * The "<12> " is stripped before it gets to this routine. The two
4108 * trailing 0's (flip state and clock ticking) are later addition, and
4109 * some chess servers may not have them, or may have only the first.
4110 * Additional trailing fields may be added in the future.
4113 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4115 #define RELATION_OBSERVING_PLAYED 0
4116 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4117 #define RELATION_PLAYING_MYMOVE 1
4118 #define RELATION_PLAYING_NOTMYMOVE -1
4119 #define RELATION_EXAMINING 2
4120 #define RELATION_ISOLATED_BOARD -3
4121 #define RELATION_STARTING_POSITION -4 /* FICS only */
4124 ParseBoard12(string)
4127 GameMode newGameMode;
4128 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4129 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4130 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4131 char to_play, board_chars[200];
4132 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4133 char black[32], white[32];
4135 int prevMove = currentMove;
4138 int fromX, fromY, toX, toY;
4140 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4141 char *bookHit = NULL; // [HGM] book
4142 Boolean weird = FALSE, reqFlag = FALSE;
4144 fromX = fromY = toX = toY = -1;
4148 if (appData.debugMode)
4149 fprintf(debugFP, _("Parsing board: %s\n"), string);
4151 move_str[0] = NULLCHAR;
4152 elapsed_time[0] = NULLCHAR;
4153 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4155 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4156 if(string[i] == ' ') { ranks++; files = 0; }
4158 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4161 for(j = 0; j <i; j++) board_chars[j] = string[j];
4162 board_chars[i] = '\0';
4165 n = sscanf(string, PATTERN, &to_play, &double_push,
4166 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4167 &gamenum, white, black, &relation, &basetime, &increment,
4168 &white_stren, &black_stren, &white_time, &black_time,
4169 &moveNum, str, elapsed_time, move_str, &ics_flip,
4173 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4174 DisplayError(str, 0);
4178 /* Convert the move number to internal form */
4179 moveNum = (moveNum - 1) * 2;
4180 if (to_play == 'B') moveNum++;
4181 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4182 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4188 case RELATION_OBSERVING_PLAYED:
4189 case RELATION_OBSERVING_STATIC:
4190 if (gamenum == -1) {
4191 /* Old ICC buglet */
4192 relation = RELATION_OBSERVING_STATIC;
4194 newGameMode = IcsObserving;
4196 case RELATION_PLAYING_MYMOVE:
4197 case RELATION_PLAYING_NOTMYMOVE:
4199 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4200 IcsPlayingWhite : IcsPlayingBlack;
4202 case RELATION_EXAMINING:
4203 newGameMode = IcsExamining;
4205 case RELATION_ISOLATED_BOARD:
4207 /* Just display this board. If user was doing something else,
4208 we will forget about it until the next board comes. */
4209 newGameMode = IcsIdle;
4211 case RELATION_STARTING_POSITION:
4212 newGameMode = gameMode;
4216 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4217 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4218 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4220 for (k = 0; k < ranks; k++) {
4221 for (j = 0; j < files; j++)
4222 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4223 if(gameInfo.holdingsWidth > 1) {
4224 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4225 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4228 CopyBoard(partnerBoard, board);
4229 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4230 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4231 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4232 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4233 if(toSqr = strchr(str, '-')) {
4234 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4235 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4236 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4237 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4238 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4239 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4240 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4241 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4242 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4243 DisplayMessage(partnerStatus, "");
4244 partnerBoardValid = TRUE;
4248 /* Modify behavior for initial board display on move listing
4251 switch (ics_getting_history) {
4255 case H_GOT_REQ_HEADER:
4256 case H_GOT_UNREQ_HEADER:
4257 /* This is the initial position of the current game */
4258 gamenum = ics_gamenum;
4259 moveNum = 0; /* old ICS bug workaround */
4260 if (to_play == 'B') {
4261 startedFromSetupPosition = TRUE;
4262 blackPlaysFirst = TRUE;
4264 if (forwardMostMove == 0) forwardMostMove = 1;
4265 if (backwardMostMove == 0) backwardMostMove = 1;
4266 if (currentMove == 0) currentMove = 1;
4268 newGameMode = gameMode;
4269 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4271 case H_GOT_UNWANTED_HEADER:
4272 /* This is an initial board that we don't want */
4274 case H_GETTING_MOVES:
4275 /* Should not happen */
4276 DisplayError(_("Error gathering move list: extra board"), 0);
4277 ics_getting_history = H_FALSE;
4281 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4282 weird && (int)gameInfo.variant < (int)VariantShogi) {
4283 /* [HGM] We seem to have switched variant unexpectedly
4284 * Try to guess new variant from board size
4286 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4287 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4288 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4289 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4290 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4291 if(!weird) newVariant = VariantNormal;
4292 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4293 /* Get a move list just to see the header, which
4294 will tell us whether this is really bug or zh */
4295 if (ics_getting_history == H_FALSE) {
4296 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4297 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4302 /* Take action if this is the first board of a new game, or of a
4303 different game than is currently being displayed. */
4304 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4305 relation == RELATION_ISOLATED_BOARD) {
4307 /* Forget the old game and get the history (if any) of the new one */
4308 if (gameMode != BeginningOfGame) {
4312 if (appData.autoRaiseBoard) BoardToTop();
4314 if (gamenum == -1) {
4315 newGameMode = IcsIdle;
4316 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4317 appData.getMoveList && !reqFlag) {
4318 /* Need to get game history */
4319 ics_getting_history = H_REQUESTED;
4320 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4324 /* Initially flip the board to have black on the bottom if playing
4325 black or if the ICS flip flag is set, but let the user change
4326 it with the Flip View button. */
4327 flipView = appData.autoFlipView ?
4328 (newGameMode == IcsPlayingBlack) || ics_flip :
4331 /* Done with values from previous mode; copy in new ones */
4332 gameMode = newGameMode;
4334 ics_gamenum = gamenum;
4335 if (gamenum == gs_gamenum) {
4336 int klen = strlen(gs_kind);
4337 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4338 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4339 gameInfo.event = StrSave(str);
4341 gameInfo.event = StrSave("ICS game");
4343 gameInfo.site = StrSave(appData.icsHost);
4344 gameInfo.date = PGNDate();
4345 gameInfo.round = StrSave("-");
4346 gameInfo.white = StrSave(white);
4347 gameInfo.black = StrSave(black);
4348 timeControl = basetime * 60 * 1000;
4350 timeIncrement = increment * 1000;
4351 movesPerSession = 0;
4352 gameInfo.timeControl = TimeControlTagValue();
4353 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4354 if (appData.debugMode) {
4355 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4356 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4357 setbuf(debugFP, NULL);
4360 gameInfo.outOfBook = NULL;
4362 /* Do we have the ratings? */
4363 if (strcmp(player1Name, white) == 0 &&
4364 strcmp(player2Name, black) == 0) {
4365 if (appData.debugMode)
4366 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4367 player1Rating, player2Rating);
4368 gameInfo.whiteRating = player1Rating;
4369 gameInfo.blackRating = player2Rating;
4370 } else if (strcmp(player2Name, white) == 0 &&
4371 strcmp(player1Name, black) == 0) {
4372 if (appData.debugMode)
4373 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4374 player2Rating, player1Rating);
4375 gameInfo.whiteRating = player2Rating;
4376 gameInfo.blackRating = player1Rating;
4378 player1Name[0] = player2Name[0] = NULLCHAR;
4380 /* Silence shouts if requested */
4381 if (appData.quietPlay &&
4382 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4383 SendToICS(ics_prefix);
4384 SendToICS("set shout 0\n");
4388 /* Deal with midgame name changes */
4390 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4391 if (gameInfo.white) free(gameInfo.white);
4392 gameInfo.white = StrSave(white);
4394 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4395 if (gameInfo.black) free(gameInfo.black);
4396 gameInfo.black = StrSave(black);
4400 /* Throw away game result if anything actually changes in examine mode */
4401 if (gameMode == IcsExamining && !newGame) {
4402 gameInfo.result = GameUnfinished;
4403 if (gameInfo.resultDetails != NULL) {
4404 free(gameInfo.resultDetails);
4405 gameInfo.resultDetails = NULL;
4409 /* In pausing && IcsExamining mode, we ignore boards coming
4410 in if they are in a different variation than we are. */
4411 if (pauseExamInvalid) return;
4412 if (pausing && gameMode == IcsExamining) {
4413 if (moveNum <= pauseExamForwardMostMove) {
4414 pauseExamInvalid = TRUE;
4415 forwardMostMove = pauseExamForwardMostMove;
4420 if (appData.debugMode) {
4421 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4423 /* Parse the board */
4424 for (k = 0; k < ranks; k++) {
4425 for (j = 0; j < files; j++)
4426 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4427 if(gameInfo.holdingsWidth > 1) {
4428 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4429 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4432 CopyBoard(boards[moveNum], board);
4433 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4435 startedFromSetupPosition =
4436 !CompareBoards(board, initialPosition);
4437 if(startedFromSetupPosition)
4438 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4441 /* [HGM] Set castling rights. Take the outermost Rooks,
4442 to make it also work for FRC opening positions. Note that board12
4443 is really defective for later FRC positions, as it has no way to
4444 indicate which Rook can castle if they are on the same side of King.
4445 For the initial position we grant rights to the outermost Rooks,
4446 and remember thos rights, and we then copy them on positions
4447 later in an FRC game. This means WB might not recognize castlings with
4448 Rooks that have moved back to their original position as illegal,
4449 but in ICS mode that is not its job anyway.
4451 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4452 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4454 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4455 if(board[0][i] == WhiteRook) j = i;
4456 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4457 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4458 if(board[0][i] == WhiteRook) j = i;
4459 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4460 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4461 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4462 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4463 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4464 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4465 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4467 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4468 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4469 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4470 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4471 if(board[BOARD_HEIGHT-1][k] == bKing)
4472 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4473 if(gameInfo.variant == VariantTwoKings) {
4474 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4475 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4476 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4479 r = boards[moveNum][CASTLING][0] = initialRights[0];
4480 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4481 r = boards[moveNum][CASTLING][1] = initialRights[1];
4482 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4483 r = boards[moveNum][CASTLING][3] = initialRights[3];
4484 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4485 r = boards[moveNum][CASTLING][4] = initialRights[4];
4486 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4487 /* wildcastle kludge: always assume King has rights */
4488 r = boards[moveNum][CASTLING][2] = initialRights[2];
4489 r = boards[moveNum][CASTLING][5] = initialRights[5];
4491 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4492 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4495 if (ics_getting_history == H_GOT_REQ_HEADER ||
4496 ics_getting_history == H_GOT_UNREQ_HEADER) {
4497 /* This was an initial position from a move list, not
4498 the current position */
4502 /* Update currentMove and known move number limits */
4503 newMove = newGame || moveNum > forwardMostMove;
4506 forwardMostMove = backwardMostMove = currentMove = moveNum;
4507 if (gameMode == IcsExamining && moveNum == 0) {
4508 /* Workaround for ICS limitation: we are not told the wild
4509 type when starting to examine a game. But if we ask for
4510 the move list, the move list header will tell us */
4511 ics_getting_history = H_REQUESTED;
4512 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4515 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4516 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4518 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4519 /* [HGM] applied this also to an engine that is silently watching */
4520 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4521 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4522 gameInfo.variant == currentlyInitializedVariant) {
4523 takeback = forwardMostMove - moveNum;
4524 for (i = 0; i < takeback; i++) {
4525 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4526 SendToProgram("undo\n", &first);
4531 forwardMostMove = moveNum;
4532 if (!pausing || currentMove > forwardMostMove)
4533 currentMove = forwardMostMove;
4535 /* New part of history that is not contiguous with old part */
4536 if (pausing && gameMode == IcsExamining) {
4537 pauseExamInvalid = TRUE;
4538 forwardMostMove = pauseExamForwardMostMove;
4541 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4543 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4544 // [HGM] when we will receive the move list we now request, it will be
4545 // fed to the engine from the first move on. So if the engine is not
4546 // in the initial position now, bring it there.
4547 InitChessProgram(&first, 0);
4550 ics_getting_history = H_REQUESTED;
4551 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4554 forwardMostMove = backwardMostMove = currentMove = moveNum;
4557 /* Update the clocks */
4558 if (strchr(elapsed_time, '.')) {
4560 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4561 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4563 /* Time is in seconds */
4564 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4565 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4570 if (appData.zippyPlay && newGame &&
4571 gameMode != IcsObserving && gameMode != IcsIdle &&
4572 gameMode != IcsExamining)
4573 ZippyFirstBoard(moveNum, basetime, increment);
4576 /* Put the move on the move list, first converting
4577 to canonical algebraic form. */
4579 if (appData.debugMode) {
4580 if (appData.debugMode) { int f = forwardMostMove;
4581 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4582 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4583 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4585 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4586 fprintf(debugFP, "moveNum = %d\n", moveNum);
4587 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4588 setbuf(debugFP, NULL);
4590 if (moveNum <= backwardMostMove) {
4591 /* We don't know what the board looked like before
4593 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4594 strcat(parseList[moveNum - 1], " ");
4595 strcat(parseList[moveNum - 1], elapsed_time);
4596 moveList[moveNum - 1][0] = NULLCHAR;
4597 } else if (strcmp(move_str, "none") == 0) {
4598 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4599 /* Again, we don't know what the board looked like;
4600 this is really the start of the game. */
4601 parseList[moveNum - 1][0] = NULLCHAR;
4602 moveList[moveNum - 1][0] = NULLCHAR;
4603 backwardMostMove = moveNum;
4604 startedFromSetupPosition = TRUE;
4605 fromX = fromY = toX = toY = -1;
4607 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4608 // So we parse the long-algebraic move string in stead of the SAN move
4609 int valid; char buf[MSG_SIZ], *prom;
4611 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4612 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4613 // str looks something like "Q/a1-a2"; kill the slash
4615 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4616 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4617 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4618 strcat(buf, prom); // long move lacks promo specification!
4619 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4620 if(appData.debugMode)
4621 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4622 safeStrCpy(move_str, buf, MSG_SIZ);
4624 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4625 &fromX, &fromY, &toX, &toY, &promoChar)
4626 || ParseOneMove(buf, moveNum - 1, &moveType,
4627 &fromX, &fromY, &toX, &toY, &promoChar);
4628 // end of long SAN patch
4630 (void) CoordsToAlgebraic(boards[moveNum - 1],
4631 PosFlags(moveNum - 1),
4632 fromY, fromX, toY, toX, promoChar,
4633 parseList[moveNum-1]);
4634 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4640 if(gameInfo.variant != VariantShogi)
4641 strcat(parseList[moveNum - 1], "+");
4644 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4645 strcat(parseList[moveNum - 1], "#");
4648 strcat(parseList[moveNum - 1], " ");
4649 strcat(parseList[moveNum - 1], elapsed_time);
4650 /* currentMoveString is set as a side-effect of ParseOneMove */
4651 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4652 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4653 strcat(moveList[moveNum - 1], "\n");
4655 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4656 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4657 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4658 ChessSquare old, new = boards[moveNum][k][j];
4659 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4660 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4661 if(old == new) continue;
4662 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4663 else if(new == WhiteWazir || new == BlackWazir) {
4664 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4665 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4666 else boards[moveNum][k][j] = old; // preserve type of Gold
4667 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4668 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4671 /* Move from ICS was illegal!? Punt. */
4672 if (appData.debugMode) {
4673 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4674 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4676 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4677 strcat(parseList[moveNum - 1], " ");
4678 strcat(parseList[moveNum - 1], elapsed_time);
4679 moveList[moveNum - 1][0] = NULLCHAR;
4680 fromX = fromY = toX = toY = -1;
4683 if (appData.debugMode) {
4684 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4685 setbuf(debugFP, NULL);
4689 /* Send move to chess program (BEFORE animating it). */
4690 if (appData.zippyPlay && !newGame && newMove &&
4691 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4693 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4694 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4695 if (moveList[moveNum - 1][0] == NULLCHAR) {
4696 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4698 DisplayError(str, 0);
4700 if (first.sendTime) {
4701 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4703 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4704 if (firstMove && !bookHit) {
4706 if (first.useColors) {
4707 SendToProgram(gameMode == IcsPlayingWhite ?
4709 "black\ngo\n", &first);
4711 SendToProgram("go\n", &first);
4713 first.maybeThinking = TRUE;
4716 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4717 if (moveList[moveNum - 1][0] == NULLCHAR) {
4718 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4719 DisplayError(str, 0);
4721 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4722 SendMoveToProgram(moveNum - 1, &first);
4729 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4730 /* If move comes from a remote source, animate it. If it
4731 isn't remote, it will have already been animated. */
4732 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4733 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4735 if (!pausing && appData.highlightLastMove) {
4736 SetHighlights(fromX, fromY, toX, toY);
4740 /* Start the clocks */
4741 whiteFlag = blackFlag = FALSE;
4742 appData.clockMode = !(basetime == 0 && increment == 0);
4744 ics_clock_paused = TRUE;
4746 } else if (ticking == 1) {
4747 ics_clock_paused = FALSE;
4749 if (gameMode == IcsIdle ||
4750 relation == RELATION_OBSERVING_STATIC ||
4751 relation == RELATION_EXAMINING ||
4753 DisplayBothClocks();
4757 /* Display opponents and material strengths */
4758 if (gameInfo.variant != VariantBughouse &&
4759 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4760 if (tinyLayout || smallLayout) {
4761 if(gameInfo.variant == VariantNormal)
4762 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4763 gameInfo.white, white_stren, gameInfo.black, black_stren,
4764 basetime, increment);
4766 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4767 gameInfo.white, white_stren, gameInfo.black, black_stren,
4768 basetime, increment, (int) gameInfo.variant);
4770 if(gameInfo.variant == VariantNormal)
4771 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4772 gameInfo.white, white_stren, gameInfo.black, black_stren,
4773 basetime, increment);
4775 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4776 gameInfo.white, white_stren, gameInfo.black, black_stren,
4777 basetime, increment, VariantName(gameInfo.variant));
4780 if (appData.debugMode) {
4781 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4786 /* Display the board */
4787 if (!pausing && !appData.noGUI) {
4789 if (appData.premove)
4791 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4792 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4793 ClearPremoveHighlights();
4795 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4796 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4797 DrawPosition(j, boards[currentMove]);
4799 DisplayMove(moveNum - 1);
4800 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4801 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4802 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4803 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4807 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4809 if(bookHit) { // [HGM] book: simulate book reply
4810 static char bookMove[MSG_SIZ]; // a bit generous?
4812 programStats.nodes = programStats.depth = programStats.time =
4813 programStats.score = programStats.got_only_move = 0;
4814 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4816 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4817 strcat(bookMove, bookHit);
4818 HandleMachineMove(bookMove, &first);
4827 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4828 ics_getting_history = H_REQUESTED;
4829 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4835 AnalysisPeriodicEvent(force)
4838 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4839 && !force) || !appData.periodicUpdates)
4842 /* Send . command to Crafty to collect stats */
4843 SendToProgram(".\n", &first);
4845 /* Don't send another until we get a response (this makes
4846 us stop sending to old Crafty's which don't understand
4847 the "." command (sending illegal cmds resets node count & time,
4848 which looks bad)) */
4849 programStats.ok_to_send = 0;
4852 void ics_update_width(new_width)
4855 ics_printf("set width %d\n", new_width);
4859 SendMoveToProgram(moveNum, cps)
4861 ChessProgramState *cps;
4865 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4866 // null move in variant where engine does not understand it (for analysis purposes)
4867 SendBoard(cps, moveNum + 1); // send position after move in stead.
4870 if (cps->useUsermove) {
4871 SendToProgram("usermove ", cps);
4875 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4876 int len = space - parseList[moveNum];
4877 memcpy(buf, parseList[moveNum], len);
4879 buf[len] = NULLCHAR;
4881 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4883 SendToProgram(buf, cps);
4885 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4886 AlphaRank(moveList[moveNum], 4);
4887 SendToProgram(moveList[moveNum], cps);
4888 AlphaRank(moveList[moveNum], 4); // and back
4890 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4891 * the engine. It would be nice to have a better way to identify castle
4893 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4894 && cps->useOOCastle) {
4895 int fromX = moveList[moveNum][0] - AAA;
4896 int fromY = moveList[moveNum][1] - ONE;
4897 int toX = moveList[moveNum][2] - AAA;
4898 int toY = moveList[moveNum][3] - ONE;
4899 if((boards[moveNum][fromY][fromX] == WhiteKing
4900 && boards[moveNum][toY][toX] == WhiteRook)
4901 || (boards[moveNum][fromY][fromX] == BlackKing
4902 && boards[moveNum][toY][toX] == BlackRook)) {
4903 if(toX > fromX) SendToProgram("O-O\n", cps);
4904 else SendToProgram("O-O-O\n", cps);
4906 else SendToProgram(moveList[moveNum], cps);
4908 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4909 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4910 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4911 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4912 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4914 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4915 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4916 SendToProgram(buf, cps);
4918 else SendToProgram(moveList[moveNum], cps);
4919 /* End of additions by Tord */
4922 /* [HGM] setting up the opening has brought engine in force mode! */
4923 /* Send 'go' if we are in a mode where machine should play. */
4924 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4925 (gameMode == TwoMachinesPlay ||
4927 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4929 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4930 SendToProgram("go\n", cps);
4931 if (appData.debugMode) {
4932 fprintf(debugFP, "(extra)\n");
4935 setboardSpoiledMachineBlack = 0;
4939 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4941 int fromX, fromY, toX, toY;
4944 char user_move[MSG_SIZ];
4948 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4949 (int)moveType, fromX, fromY, toX, toY);
4950 DisplayError(user_move + strlen("say "), 0);
4952 case WhiteKingSideCastle:
4953 case BlackKingSideCastle:
4954 case WhiteQueenSideCastleWild:
4955 case BlackQueenSideCastleWild:
4957 case WhiteHSideCastleFR:
4958 case BlackHSideCastleFR:
4960 snprintf(user_move, MSG_SIZ, "o-o\n");
4962 case WhiteQueenSideCastle:
4963 case BlackQueenSideCastle:
4964 case WhiteKingSideCastleWild:
4965 case BlackKingSideCastleWild:
4967 case WhiteASideCastleFR:
4968 case BlackASideCastleFR:
4970 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4972 case WhiteNonPromotion:
4973 case BlackNonPromotion:
4974 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4976 case WhitePromotion:
4977 case BlackPromotion:
4978 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4979 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4980 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4981 PieceToChar(WhiteFerz));
4982 else if(gameInfo.variant == VariantGreat)
4983 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4984 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4985 PieceToChar(WhiteMan));
4987 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4988 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4994 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4995 ToUpper(PieceToChar((ChessSquare) fromX)),
4996 AAA + toX, ONE + toY);
4998 case IllegalMove: /* could be a variant we don't quite understand */
4999 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5001 case WhiteCapturesEnPassant:
5002 case BlackCapturesEnPassant:
5003 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5004 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5007 SendToICS(user_move);
5008 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5009 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5014 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5015 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5016 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5017 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5018 DisplayError("You cannot do this while you are playing or observing", 0);
5021 if(gameMode != IcsExamining) { // is this ever not the case?
5022 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5024 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5025 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5026 } else { // on FICS we must first go to general examine mode
5027 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5029 if(gameInfo.variant != VariantNormal) {
5030 // try figure out wild number, as xboard names are not always valid on ICS
5031 for(i=1; i<=36; i++) {
5032 snprintf(buf, MSG_SIZ, "wild/%d", i);
5033 if(StringToVariant(buf) == gameInfo.variant) break;
5035 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5036 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5037 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5038 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5039 SendToICS(ics_prefix);
5041 if(startedFromSetupPosition || backwardMostMove != 0) {
5042 fen = PositionToFEN(backwardMostMove, NULL);
5043 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5044 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5046 } else { // FICS: everything has to set by separate bsetup commands
5047 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5048 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5050 if(!WhiteOnMove(backwardMostMove)) {
5051 SendToICS("bsetup tomove black\n");
5053 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5054 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5056 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5057 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5059 i = boards[backwardMostMove][EP_STATUS];
5060 if(i >= 0) { // set e.p.
5061 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5067 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5068 SendToICS("bsetup done\n"); // switch to normal examining.
5070 for(i = backwardMostMove; i<last; i++) {
5072 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5075 SendToICS(ics_prefix);
5076 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5080 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5085 if (rf == DROP_RANK) {
5086 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5087 sprintf(move, "%c@%c%c\n",
5088 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5090 if (promoChar == 'x' || promoChar == NULLCHAR) {
5091 sprintf(move, "%c%c%c%c\n",
5092 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5094 sprintf(move, "%c%c%c%c%c\n",
5095 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5101 ProcessICSInitScript(f)
5106 while (fgets(buf, MSG_SIZ, f)) {
5107 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5114 static int lastX, lastY, selectFlag, dragging;
5119 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5120 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5121 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5122 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5123 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5124 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5127 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5128 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5129 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5130 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5132 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5133 appData.testLegality && (promoSweep == king ||
5134 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5135 ChangeDragPiece(promoSweep);
5138 int PromoScroll(int x, int y)
5142 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5143 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5144 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5145 if(!step) return FALSE;
5146 lastX = x; lastY = y;
5147 if((promoSweep < BlackPawn) == flipView) step = -step;
5148 if(step > 0) selectFlag = 1;
5149 if(!selectFlag) Sweep(step);
5156 ChessSquare piece = boards[currentMove][toY][toX];
5159 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5160 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5161 if(!step) step = -1;
5162 } while(PieceToChar(pieceSweep) == '.');
5163 boards[currentMove][toY][toX] = pieceSweep;
5164 DrawPosition(FALSE, boards[currentMove]);
5165 boards[currentMove][toY][toX] = piece;
5167 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5169 AlphaRank(char *move, int n)
5171 // char *p = move, c; int x, y;
5173 if (appData.debugMode) {
5174 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5178 move[2]>='0' && move[2]<='9' &&
5179 move[3]>='a' && move[3]<='x' ) {
5181 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5182 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5184 if(move[0]>='0' && move[0]<='9' &&
5185 move[1]>='a' && move[1]<='x' &&
5186 move[2]>='0' && move[2]<='9' &&
5187 move[3]>='a' && move[3]<='x' ) {
5188 /* input move, Shogi -> normal */
5189 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5190 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5191 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5192 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5195 move[3]>='0' && move[3]<='9' &&
5196 move[2]>='a' && move[2]<='x' ) {
5198 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5199 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5202 move[0]>='a' && move[0]<='x' &&
5203 move[3]>='0' && move[3]<='9' &&
5204 move[2]>='a' && move[2]<='x' ) {
5205 /* output move, normal -> Shogi */
5206 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5207 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5208 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5209 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5210 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5212 if (appData.debugMode) {
5213 fprintf(debugFP, " out = '%s'\n", move);
5217 char yy_textstr[8000];
5219 /* Parser for moves from gnuchess, ICS, or user typein box */
5221 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5224 ChessMove *moveType;
5225 int *fromX, *fromY, *toX, *toY;
5228 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5230 switch (*moveType) {
5231 case WhitePromotion:
5232 case BlackPromotion:
5233 case WhiteNonPromotion:
5234 case BlackNonPromotion:
5236 case WhiteCapturesEnPassant:
5237 case BlackCapturesEnPassant:
5238 case WhiteKingSideCastle:
5239 case WhiteQueenSideCastle:
5240 case BlackKingSideCastle:
5241 case BlackQueenSideCastle:
5242 case WhiteKingSideCastleWild:
5243 case WhiteQueenSideCastleWild:
5244 case BlackKingSideCastleWild:
5245 case BlackQueenSideCastleWild:
5246 /* Code added by Tord: */
5247 case WhiteHSideCastleFR:
5248 case WhiteASideCastleFR:
5249 case BlackHSideCastleFR:
5250 case BlackASideCastleFR:
5251 /* End of code added by Tord */
5252 case IllegalMove: /* bug or odd chess variant */
5253 *fromX = currentMoveString[0] - AAA;
5254 *fromY = currentMoveString[1] - ONE;
5255 *toX = currentMoveString[2] - AAA;
5256 *toY = currentMoveString[3] - ONE;
5257 *promoChar = currentMoveString[4];
5258 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5259 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5260 if (appData.debugMode) {
5261 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5263 *fromX = *fromY = *toX = *toY = 0;
5266 if (appData.testLegality) {
5267 return (*moveType != IllegalMove);
5269 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5270 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5275 *fromX = *moveType == WhiteDrop ?
5276 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5277 (int) CharToPiece(ToLower(currentMoveString[0]));
5279 *toX = currentMoveString[2] - AAA;
5280 *toY = currentMoveString[3] - ONE;
5281 *promoChar = NULLCHAR;
5285 case ImpossibleMove:
5295 if (appData.debugMode) {
5296 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5299 *fromX = *fromY = *toX = *toY = 0;
5300 *promoChar = NULLCHAR;
5305 Boolean pushed = FALSE;
5306 char *lastParseAttempt;
5309 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5310 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5311 int fromX, fromY, toX, toY; char promoChar;
5316 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5317 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5320 endPV = forwardMostMove;
5322 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5323 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5324 lastParseAttempt = pv;
5325 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5326 if(appData.debugMode){
5327 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
5329 if(!valid && nr == 0 &&
5330 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5331 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5332 // Hande case where played move is different from leading PV move
5333 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5334 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5335 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5336 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5337 endPV += 2; // if position different, keep this
5338 moveList[endPV-1][0] = fromX + AAA;
5339 moveList[endPV-1][1] = fromY + ONE;
5340 moveList[endPV-1][2] = toX + AAA;
5341 moveList[endPV-1][3] = toY + ONE;
5342 parseList[endPV-1][0] = NULLCHAR;
5343 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5346 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5347 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5348 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5349 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5350 valid++; // allow comments in PV
5354 if(endPV+1 > framePtr) break; // no space, truncate
5357 CopyBoard(boards[endPV], boards[endPV-1]);
5358 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5359 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5360 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5361 CoordsToAlgebraic(boards[endPV - 1],
5362 PosFlags(endPV - 1),
5363 fromY, fromX, toY, toX, promoChar,
5364 parseList[endPV - 1]);
5366 if(atEnd == 2) return; // used hidden, for PV conversion
5367 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5368 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5369 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5370 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5371 DrawPosition(TRUE, boards[currentMove]);
5375 MultiPV(ChessProgramState *cps)
5376 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5378 for(i=0; i<cps->nrOptions; i++)
5379 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5385 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5387 int startPV, multi, lineStart, origIndex = index;
5388 char *p, buf2[MSG_SIZ];
5390 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5391 lastX = x; lastY = y;
5392 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5393 lineStart = startPV = index;
5394 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5395 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5397 do{ while(buf[index] && buf[index] != '\n') index++;
5398 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5400 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5401 int n = first.option[multi].value;
5402 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5403 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5404 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5405 first.option[multi].value = n;
5409 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5410 *start = startPV; *end = index-1;
5417 static char buf[10*MSG_SIZ];
5418 int i, k=0, savedEnd=endPV;
5420 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5421 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5422 for(i = forwardMostMove; i<endPV; i++){
5423 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5424 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5427 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5428 if(forwardMostMove < savedEnd) PopInner(0);
5434 LoadPV(int x, int y)
5435 { // called on right mouse click to load PV
5436 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5437 lastX = x; lastY = y;
5438 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5445 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5446 if(endPV < 0) return;
5448 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5449 Boolean saveAnimate = appData.animate;
5451 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5452 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5453 } else storedGames--; // abandon shelved tail of original game
5456 forwardMostMove = currentMove;
5457 currentMove = oldFMM;
5458 appData.animate = FALSE;
5459 ToNrEvent(forwardMostMove);
5460 appData.animate = saveAnimate;
5462 currentMove = forwardMostMove;
5463 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5464 ClearPremoveHighlights();
5465 DrawPosition(TRUE, boards[currentMove]);
5469 MovePV(int x, int y, int h)
5470 { // step through PV based on mouse coordinates (called on mouse move)
5471 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5473 // we must somehow check if right button is still down (might be released off board!)
5474 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5475 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5476 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5478 lastX = x; lastY = y;
5480 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5481 if(endPV < 0) return;
5482 if(y < margin) step = 1; else
5483 if(y > h - margin) step = -1;
5484 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5485 currentMove += step;
5486 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5487 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5488 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5489 DrawPosition(FALSE, boards[currentMove]);
5493 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5494 // All positions will have equal probability, but the current method will not provide a unique
5495 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5501 int piecesLeft[(int)BlackPawn];
5502 int seed, nrOfShuffles;
5504 void GetPositionNumber()
5505 { // sets global variable seed
5508 seed = appData.defaultFrcPosition;
5509 if(seed < 0) { // randomize based on time for negative FRC position numbers
5510 for(i=0; i<50; i++) seed += random();
5511 seed = random() ^ random() >> 8 ^ random() << 8;
5512 if(seed<0) seed = -seed;
5516 int put(Board board, int pieceType, int rank, int n, int shade)
5517 // put the piece on the (n-1)-th empty squares of the given shade
5521 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5522 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5523 board[rank][i] = (ChessSquare) pieceType;
5524 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5526 piecesLeft[pieceType]--;
5534 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5535 // calculate where the next piece goes, (any empty square), and put it there
5539 i = seed % squaresLeft[shade];
5540 nrOfShuffles *= squaresLeft[shade];
5541 seed /= squaresLeft[shade];
5542 put(board, pieceType, rank, i, shade);
5545 void AddTwoPieces(Board board, int pieceType, int rank)
5546 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5548 int i, n=squaresLeft[ANY], j=n-1, k;
5550 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5551 i = seed % k; // pick one
5554 while(i >= j) i -= j--;
5555 j = n - 1 - j; i += j;
5556 put(board, pieceType, rank, j, ANY);
5557 put(board, pieceType, rank, i, ANY);
5560 void SetUpShuffle(Board board, int number)
5564 GetPositionNumber(); nrOfShuffles = 1;
5566 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5567 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5568 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5570 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5572 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5573 p = (int) board[0][i];
5574 if(p < (int) BlackPawn) piecesLeft[p] ++;
5575 board[0][i] = EmptySquare;
5578 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5579 // shuffles restricted to allow normal castling put KRR first
5580 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5581 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5582 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5583 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5584 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5585 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5586 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5587 put(board, WhiteRook, 0, 0, ANY);
5588 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5591 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5592 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5593 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5594 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5595 while(piecesLeft[p] >= 2) {
5596 AddOnePiece(board, p, 0, LITE);
5597 AddOnePiece(board, p, 0, DARK);
5599 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5602 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5603 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5604 // but we leave King and Rooks for last, to possibly obey FRC restriction
5605 if(p == (int)WhiteRook) continue;
5606 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5607 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5610 // now everything is placed, except perhaps King (Unicorn) and Rooks
5612 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5613 // Last King gets castling rights
5614 while(piecesLeft[(int)WhiteUnicorn]) {
5615 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5616 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5619 while(piecesLeft[(int)WhiteKing]) {
5620 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5621 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5626 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5627 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5630 // Only Rooks can be left; simply place them all
5631 while(piecesLeft[(int)WhiteRook]) {
5632 i = put(board, WhiteRook, 0, 0, ANY);
5633 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5636 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5638 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5641 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5642 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5645 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5648 int SetCharTable( char *table, const char * map )
5649 /* [HGM] moved here from winboard.c because of its general usefulness */
5650 /* Basically a safe strcpy that uses the last character as King */
5652 int result = FALSE; int NrPieces;
5654 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5655 && NrPieces >= 12 && !(NrPieces&1)) {
5656 int i; /* [HGM] Accept even length from 12 to 34 */
5658 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5659 for( i=0; i<NrPieces/2-1; i++ ) {
5661 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5663 table[(int) WhiteKing] = map[NrPieces/2-1];
5664 table[(int) BlackKing] = map[NrPieces-1];
5672 void Prelude(Board board)
5673 { // [HGM] superchess: random selection of exo-pieces
5674 int i, j, k; ChessSquare p;
5675 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5677 GetPositionNumber(); // use FRC position number
5679 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5680 SetCharTable(pieceToChar, appData.pieceToCharTable);
5681 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5682 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5685 j = seed%4; seed /= 4;
5686 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5687 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5688 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5689 j = seed%3 + (seed%3 >= j); seed /= 3;
5690 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5691 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5692 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5693 j = seed%3; seed /= 3;
5694 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5695 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5696 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5697 j = seed%2 + (seed%2 >= j); seed /= 2;
5698 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5699 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5700 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5701 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5702 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5703 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5704 put(board, exoPieces[0], 0, 0, ANY);
5705 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5709 InitPosition(redraw)
5712 ChessSquare (* pieces)[BOARD_FILES];
5713 int i, j, pawnRow, overrule,
5714 oldx = gameInfo.boardWidth,
5715 oldy = gameInfo.boardHeight,
5716 oldh = gameInfo.holdingsWidth;
5719 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5721 /* [AS] Initialize pv info list [HGM] and game status */
5723 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5724 pvInfoList[i].depth = 0;
5725 boards[i][EP_STATUS] = EP_NONE;
5726 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5729 initialRulePlies = 0; /* 50-move counter start */
5731 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5732 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5736 /* [HGM] logic here is completely changed. In stead of full positions */
5737 /* the initialized data only consist of the two backranks. The switch */
5738 /* selects which one we will use, which is than copied to the Board */
5739 /* initialPosition, which for the rest is initialized by Pawns and */
5740 /* empty squares. This initial position is then copied to boards[0], */
5741 /* possibly after shuffling, so that it remains available. */
5743 gameInfo.holdingsWidth = 0; /* default board sizes */
5744 gameInfo.boardWidth = 8;
5745 gameInfo.boardHeight = 8;
5746 gameInfo.holdingsSize = 0;
5747 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5748 for(i=0; i<BOARD_FILES-2; i++)
5749 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5750 initialPosition[EP_STATUS] = EP_NONE;
5751 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5752 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5753 SetCharTable(pieceNickName, appData.pieceNickNames);
5754 else SetCharTable(pieceNickName, "............");
5757 switch (gameInfo.variant) {
5758 case VariantFischeRandom:
5759 shuffleOpenings = TRUE;
5762 case VariantShatranj:
5763 pieces = ShatranjArray;
5764 nrCastlingRights = 0;
5765 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5768 pieces = makrukArray;
5769 nrCastlingRights = 0;
5770 startedFromSetupPosition = TRUE;
5771 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5773 case VariantTwoKings:
5774 pieces = twoKingsArray;
5777 pieces = GrandArray;
5778 nrCastlingRights = 0;
5779 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5780 gameInfo.boardWidth = 10;
5781 gameInfo.boardHeight = 10;
5782 gameInfo.holdingsSize = 7;
5784 case VariantCapaRandom:
5785 shuffleOpenings = TRUE;
5786 case VariantCapablanca:
5787 pieces = CapablancaArray;
5788 gameInfo.boardWidth = 10;
5789 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5792 pieces = GothicArray;
5793 gameInfo.boardWidth = 10;
5794 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5797 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5798 gameInfo.holdingsSize = 7;
5801 pieces = JanusArray;
5802 gameInfo.boardWidth = 10;
5803 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5804 nrCastlingRights = 6;
5805 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5806 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5807 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5808 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5809 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5810 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5813 pieces = FalconArray;
5814 gameInfo.boardWidth = 10;
5815 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5817 case VariantXiangqi:
5818 pieces = XiangqiArray;
5819 gameInfo.boardWidth = 9;
5820 gameInfo.boardHeight = 10;
5821 nrCastlingRights = 0;
5822 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5825 pieces = ShogiArray;
5826 gameInfo.boardWidth = 9;
5827 gameInfo.boardHeight = 9;
5828 gameInfo.holdingsSize = 7;
5829 nrCastlingRights = 0;
5830 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5832 case VariantCourier:
5833 pieces = CourierArray;
5834 gameInfo.boardWidth = 12;
5835 nrCastlingRights = 0;
5836 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5838 case VariantKnightmate:
5839 pieces = KnightmateArray;
5840 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5842 case VariantSpartan:
5843 pieces = SpartanArray;
5844 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5847 pieces = fairyArray;
5848 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5851 pieces = GreatArray;
5852 gameInfo.boardWidth = 10;
5853 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5854 gameInfo.holdingsSize = 8;
5858 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5859 gameInfo.holdingsSize = 8;
5860 startedFromSetupPosition = TRUE;
5862 case VariantCrazyhouse:
5863 case VariantBughouse:
5865 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5866 gameInfo.holdingsSize = 5;
5868 case VariantWildCastle:
5870 /* !!?shuffle with kings guaranteed to be on d or e file */
5871 shuffleOpenings = 1;
5873 case VariantNoCastle:
5875 nrCastlingRights = 0;
5876 /* !!?unconstrained back-rank shuffle */
5877 shuffleOpenings = 1;
5882 if(appData.NrFiles >= 0) {
5883 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5884 gameInfo.boardWidth = appData.NrFiles;
5886 if(appData.NrRanks >= 0) {
5887 gameInfo.boardHeight = appData.NrRanks;
5889 if(appData.holdingsSize >= 0) {
5890 i = appData.holdingsSize;
5891 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5892 gameInfo.holdingsSize = i;
5894 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5895 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5896 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5898 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5899 if(pawnRow < 1) pawnRow = 1;
5900 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5902 /* User pieceToChar list overrules defaults */
5903 if(appData.pieceToCharTable != NULL)
5904 SetCharTable(pieceToChar, appData.pieceToCharTable);
5906 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5908 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5909 s = (ChessSquare) 0; /* account holding counts in guard band */
5910 for( i=0; i<BOARD_HEIGHT; i++ )
5911 initialPosition[i][j] = s;
5913 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5914 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5915 initialPosition[pawnRow][j] = WhitePawn;
5916 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5917 if(gameInfo.variant == VariantXiangqi) {
5919 initialPosition[pawnRow][j] =
5920 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5921 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5922 initialPosition[2][j] = WhiteCannon;
5923 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5927 if(gameInfo.variant == VariantGrand) {
5928 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5929 initialPosition[0][j] = WhiteRook;
5930 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5933 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5935 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5938 initialPosition[1][j] = WhiteBishop;
5939 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5941 initialPosition[1][j] = WhiteRook;
5942 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5945 if( nrCastlingRights == -1) {
5946 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5947 /* This sets default castling rights from none to normal corners */
5948 /* Variants with other castling rights must set them themselves above */
5949 nrCastlingRights = 6;
5951 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5952 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5953 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5954 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5955 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5956 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5959 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5960 if(gameInfo.variant == VariantGreat) { // promotion commoners
5961 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5962 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5963 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5964 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5966 if( gameInfo.variant == VariantSChess ) {
5967 initialPosition[1][0] = BlackMarshall;
5968 initialPosition[2][0] = BlackAngel;
5969 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5970 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5971 initialPosition[1][1] = initialPosition[2][1] =
5972 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5974 if (appData.debugMode) {
5975 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5977 if(shuffleOpenings) {
5978 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5979 startedFromSetupPosition = TRUE;
5981 if(startedFromPositionFile) {
5982 /* [HGM] loadPos: use PositionFile for every new game */
5983 CopyBoard(initialPosition, filePosition);
5984 for(i=0; i<nrCastlingRights; i++)
5985 initialRights[i] = filePosition[CASTLING][i];
5986 startedFromSetupPosition = TRUE;
5989 CopyBoard(boards[0], initialPosition);
5991 if(oldx != gameInfo.boardWidth ||
5992 oldy != gameInfo.boardHeight ||
5993 oldv != gameInfo.variant ||
5994 oldh != gameInfo.holdingsWidth
5996 InitDrawingSizes(-2 ,0);
5998 oldv = gameInfo.variant;
6000 DrawPosition(TRUE, boards[currentMove]);
6004 SendBoard(cps, moveNum)
6005 ChessProgramState *cps;
6008 char message[MSG_SIZ];
6010 if (cps->useSetboard) {
6011 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6012 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6013 SendToProgram(message, cps);
6019 /* Kludge to set black to move, avoiding the troublesome and now
6020 * deprecated "black" command.
6022 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6023 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6025 SendToProgram("edit\n", cps);
6026 SendToProgram("#\n", cps);
6027 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6028 bp = &boards[moveNum][i][BOARD_LEFT];
6029 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6030 if ((int) *bp < (int) BlackPawn) {
6031 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6033 if(message[0] == '+' || message[0] == '~') {
6034 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6035 PieceToChar((ChessSquare)(DEMOTED *bp)),
6038 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6039 message[1] = BOARD_RGHT - 1 - j + '1';
6040 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6042 SendToProgram(message, cps);
6047 SendToProgram("c\n", cps);
6048 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6049 bp = &boards[moveNum][i][BOARD_LEFT];
6050 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6051 if (((int) *bp != (int) EmptySquare)
6052 && ((int) *bp >= (int) BlackPawn)) {
6053 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6055 if(message[0] == '+' || message[0] == '~') {
6056 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6057 PieceToChar((ChessSquare)(DEMOTED *bp)),
6060 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6061 message[1] = BOARD_RGHT - 1 - j + '1';
6062 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6064 SendToProgram(message, cps);
6069 SendToProgram(".\n", cps);
6071 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6075 DefaultPromoChoice(int white)
6078 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6079 result = WhiteFerz; // no choice
6080 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6081 result= WhiteKing; // in Suicide Q is the last thing we want
6082 else if(gameInfo.variant == VariantSpartan)
6083 result = white ? WhiteQueen : WhiteAngel;
6084 else result = WhiteQueen;
6085 if(!white) result = WHITE_TO_BLACK result;
6089 static int autoQueen; // [HGM] oneclick
6092 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6094 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6095 /* [HGM] add Shogi promotions */
6096 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6101 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6102 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6104 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6105 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6108 piece = boards[currentMove][fromY][fromX];
6109 if(gameInfo.variant == VariantShogi) {
6110 promotionZoneSize = BOARD_HEIGHT/3;
6111 highestPromotingPiece = (int)WhiteFerz;
6112 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6113 promotionZoneSize = 3;
6116 // Treat Lance as Pawn when it is not representing Amazon
6117 if(gameInfo.variant != VariantSuper) {
6118 if(piece == WhiteLance) piece = WhitePawn; else
6119 if(piece == BlackLance) piece = BlackPawn;
6122 // next weed out all moves that do not touch the promotion zone at all
6123 if((int)piece >= BlackPawn) {
6124 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6126 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6128 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6129 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6132 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6134 // weed out mandatory Shogi promotions
6135 if(gameInfo.variant == VariantShogi) {
6136 if(piece >= BlackPawn) {
6137 if(toY == 0 && piece == BlackPawn ||
6138 toY == 0 && piece == BlackQueen ||
6139 toY <= 1 && piece == BlackKnight) {
6144 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6145 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6146 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6153 // weed out obviously illegal Pawn moves
6154 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6155 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6156 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6157 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6158 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6159 // note we are not allowed to test for valid (non-)capture, due to premove
6162 // we either have a choice what to promote to, or (in Shogi) whether to promote
6163 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6164 *promoChoice = PieceToChar(BlackFerz); // no choice
6167 // no sense asking what we must promote to if it is going to explode...
6168 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6169 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6172 // give caller the default choice even if we will not make it
6173 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6174 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6175 if( sweepSelect && gameInfo.variant != VariantGreat
6176 && gameInfo.variant != VariantGrand
6177 && gameInfo.variant != VariantSuper) return FALSE;
6178 if(autoQueen) return FALSE; // predetermined
6180 // suppress promotion popup on illegal moves that are not premoves
6181 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6182 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6183 if(appData.testLegality && !premove) {
6184 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6185 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6186 if(moveType != WhitePromotion && moveType != BlackPromotion)
6194 InPalace(row, column)
6196 { /* [HGM] for Xiangqi */
6197 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6198 column < (BOARD_WIDTH + 4)/2 &&
6199 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6204 PieceForSquare (x, y)
6208 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6211 return boards[currentMove][y][x];
6215 OKToStartUserMove(x, y)
6218 ChessSquare from_piece;
6221 if (matchMode) return FALSE;
6222 if (gameMode == EditPosition) return TRUE;
6224 if (x >= 0 && y >= 0)
6225 from_piece = boards[currentMove][y][x];
6227 from_piece = EmptySquare;
6229 if (from_piece == EmptySquare) return FALSE;
6231 white_piece = (int)from_piece >= (int)WhitePawn &&
6232 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6236 case TwoMachinesPlay:
6244 case MachinePlaysWhite:
6245 case IcsPlayingBlack:
6246 if (appData.zippyPlay) return FALSE;
6248 DisplayMoveError(_("You are playing Black"));
6253 case MachinePlaysBlack:
6254 case IcsPlayingWhite:
6255 if (appData.zippyPlay) return FALSE;
6257 DisplayMoveError(_("You are playing White"));
6262 case PlayFromGameFile:
6263 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6265 if (!white_piece && WhiteOnMove(currentMove)) {
6266 DisplayMoveError(_("It is White's turn"));
6269 if (white_piece && !WhiteOnMove(currentMove)) {
6270 DisplayMoveError(_("It is Black's turn"));
6273 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6274 /* Editing correspondence game history */
6275 /* Could disallow this or prompt for confirmation */
6280 case BeginningOfGame:
6281 if (appData.icsActive) return FALSE;
6282 if (!appData.noChessProgram) {
6284 DisplayMoveError(_("You are playing White"));
6291 if (!white_piece && WhiteOnMove(currentMove)) {
6292 DisplayMoveError(_("It is White's turn"));
6295 if (white_piece && !WhiteOnMove(currentMove)) {
6296 DisplayMoveError(_("It is Black's turn"));
6305 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6306 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6307 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6308 && gameMode != AnalyzeFile && gameMode != Training) {
6309 DisplayMoveError(_("Displayed position is not current"));
6316 OnlyMove(int *x, int *y, Boolean captures) {
6317 DisambiguateClosure cl;
6318 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6320 case MachinePlaysBlack:
6321 case IcsPlayingWhite:
6322 case BeginningOfGame:
6323 if(!WhiteOnMove(currentMove)) return FALSE;
6325 case MachinePlaysWhite:
6326 case IcsPlayingBlack:
6327 if(WhiteOnMove(currentMove)) return FALSE;
6334 cl.pieceIn = EmptySquare;
6339 cl.promoCharIn = NULLCHAR;
6340 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6341 if( cl.kind == NormalMove ||
6342 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6343 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6344 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6351 if(cl.kind != ImpossibleMove) return FALSE;
6352 cl.pieceIn = EmptySquare;
6357 cl.promoCharIn = NULLCHAR;
6358 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6359 if( cl.kind == NormalMove ||
6360 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6361 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6362 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6367 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6373 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6374 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6375 int lastLoadGameUseList = FALSE;
6376 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6377 ChessMove lastLoadGameStart = EndOfFile;
6380 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6381 int fromX, fromY, toX, toY;
6385 ChessSquare pdown, pup;
6387 /* Check if the user is playing in turn. This is complicated because we
6388 let the user "pick up" a piece before it is his turn. So the piece he
6389 tried to pick up may have been captured by the time he puts it down!
6390 Therefore we use the color the user is supposed to be playing in this
6391 test, not the color of the piece that is currently on the starting
6392 square---except in EditGame mode, where the user is playing both
6393 sides; fortunately there the capture race can't happen. (It can
6394 now happen in IcsExamining mode, but that's just too bad. The user
6395 will get a somewhat confusing message in that case.)
6400 case TwoMachinesPlay:
6404 /* We switched into a game mode where moves are not accepted,
6405 perhaps while the mouse button was down. */
6408 case MachinePlaysWhite:
6409 /* User is moving for Black */
6410 if (WhiteOnMove(currentMove)) {
6411 DisplayMoveError(_("It is White's turn"));
6416 case MachinePlaysBlack:
6417 /* User is moving for White */
6418 if (!WhiteOnMove(currentMove)) {
6419 DisplayMoveError(_("It is Black's turn"));
6424 case PlayFromGameFile:
6425 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6428 case BeginningOfGame:
6431 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6432 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6433 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6434 /* User is moving for Black */
6435 if (WhiteOnMove(currentMove)) {
6436 DisplayMoveError(_("It is White's turn"));
6440 /* User is moving for White */
6441 if (!WhiteOnMove(currentMove)) {
6442 DisplayMoveError(_("It is Black's turn"));
6448 case IcsPlayingBlack:
6449 /* User is moving for Black */
6450 if (WhiteOnMove(currentMove)) {
6451 if (!appData.premove) {
6452 DisplayMoveError(_("It is White's turn"));
6453 } else if (toX >= 0 && toY >= 0) {
6456 premoveFromX = fromX;
6457 premoveFromY = fromY;
6458 premovePromoChar = promoChar;
6460 if (appData.debugMode)
6461 fprintf(debugFP, "Got premove: fromX %d,"
6462 "fromY %d, toX %d, toY %d\n",
6463 fromX, fromY, toX, toY);
6469 case IcsPlayingWhite:
6470 /* User is moving for White */
6471 if (!WhiteOnMove(currentMove)) {
6472 if (!appData.premove) {
6473 DisplayMoveError(_("It is Black's turn"));
6474 } else if (toX >= 0 && toY >= 0) {
6477 premoveFromX = fromX;
6478 premoveFromY = fromY;
6479 premovePromoChar = promoChar;
6481 if (appData.debugMode)
6482 fprintf(debugFP, "Got premove: fromX %d,"
6483 "fromY %d, toX %d, toY %d\n",
6484 fromX, fromY, toX, toY);
6494 /* EditPosition, empty square, or different color piece;
6495 click-click move is possible */
6496 if (toX == -2 || toY == -2) {
6497 boards[0][fromY][fromX] = EmptySquare;
6498 DrawPosition(FALSE, boards[currentMove]);
6500 } else if (toX >= 0 && toY >= 0) {
6501 boards[0][toY][toX] = boards[0][fromY][fromX];
6502 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6503 if(boards[0][fromY][0] != EmptySquare) {
6504 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6505 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6508 if(fromX == BOARD_RGHT+1) {
6509 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6510 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6511 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6514 boards[0][fromY][fromX] = EmptySquare;
6515 DrawPosition(FALSE, boards[currentMove]);
6521 if(toX < 0 || toY < 0) return;
6522 pdown = boards[currentMove][fromY][fromX];
6523 pup = boards[currentMove][toY][toX];
6525 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6526 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6527 if( pup != EmptySquare ) return;
6528 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6529 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6530 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6531 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6532 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6533 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6534 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6538 /* [HGM] always test for legality, to get promotion info */
6539 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6540 fromY, fromX, toY, toX, promoChar);
6542 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6544 /* [HGM] but possibly ignore an IllegalMove result */
6545 if (appData.testLegality) {
6546 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6547 DisplayMoveError(_("Illegal move"));
6552 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6555 /* Common tail of UserMoveEvent and DropMenuEvent */
6557 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6559 int fromX, fromY, toX, toY;
6560 /*char*/int promoChar;
6564 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6565 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6566 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6567 if(WhiteOnMove(currentMove)) {
6568 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6570 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6574 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6575 move type in caller when we know the move is a legal promotion */
6576 if(moveType == NormalMove && promoChar)
6577 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6579 /* [HGM] <popupFix> The following if has been moved here from
6580 UserMoveEvent(). Because it seemed to belong here (why not allow
6581 piece drops in training games?), and because it can only be
6582 performed after it is known to what we promote. */
6583 if (gameMode == Training) {
6584 /* compare the move played on the board to the next move in the
6585 * game. If they match, display the move and the opponent's response.
6586 * If they don't match, display an error message.
6590 CopyBoard(testBoard, boards[currentMove]);
6591 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6593 if (CompareBoards(testBoard, boards[currentMove+1])) {
6594 ForwardInner(currentMove+1);
6596 /* Autoplay the opponent's response.
6597 * if appData.animate was TRUE when Training mode was entered,
6598 * the response will be animated.
6600 saveAnimate = appData.animate;
6601 appData.animate = animateTraining;
6602 ForwardInner(currentMove+1);
6603 appData.animate = saveAnimate;
6605 /* check for the end of the game */
6606 if (currentMove >= forwardMostMove) {
6607 gameMode = PlayFromGameFile;
6609 SetTrainingModeOff();
6610 DisplayInformation(_("End of game"));
6613 DisplayError(_("Incorrect move"), 0);
6618 /* Ok, now we know that the move is good, so we can kill
6619 the previous line in Analysis Mode */
6620 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6621 && currentMove < forwardMostMove) {
6622 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6623 else forwardMostMove = currentMove;
6626 /* If we need the chess program but it's dead, restart it */
6627 ResurrectChessProgram();
6629 /* A user move restarts a paused game*/
6633 thinkOutput[0] = NULLCHAR;
6635 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6637 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6638 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6642 if (gameMode == BeginningOfGame) {
6643 if (appData.noChessProgram) {
6644 gameMode = EditGame;
6648 gameMode = MachinePlaysBlack;
6651 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6653 if (first.sendName) {
6654 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6655 SendToProgram(buf, &first);
6662 /* Relay move to ICS or chess engine */
6663 if (appData.icsActive) {
6664 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6665 gameMode == IcsExamining) {
6666 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6667 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6669 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6671 // also send plain move, in case ICS does not understand atomic claims
6672 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6676 if (first.sendTime && (gameMode == BeginningOfGame ||
6677 gameMode == MachinePlaysWhite ||
6678 gameMode == MachinePlaysBlack)) {
6679 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6681 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6682 // [HGM] book: if program might be playing, let it use book
6683 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6684 first.maybeThinking = TRUE;
6685 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6686 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6687 SendBoard(&first, currentMove+1);
6688 } else SendMoveToProgram(forwardMostMove-1, &first);
6689 if (currentMove == cmailOldMove + 1) {
6690 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6694 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6698 if(appData.testLegality)
6699 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6705 if (WhiteOnMove(currentMove)) {
6706 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6708 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6712 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6717 case MachinePlaysBlack:
6718 case MachinePlaysWhite:
6719 /* disable certain menu options while machine is thinking */
6720 SetMachineThinkingEnables();
6727 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6728 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6730 if(bookHit) { // [HGM] book: simulate book reply
6731 static char bookMove[MSG_SIZ]; // a bit generous?
6733 programStats.nodes = programStats.depth = programStats.time =
6734 programStats.score = programStats.got_only_move = 0;
6735 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6737 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6738 strcat(bookMove, bookHit);
6739 HandleMachineMove(bookMove, &first);
6745 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6752 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6753 Markers *m = (Markers *) closure;
6754 if(rf == fromY && ff == fromX)
6755 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6756 || kind == WhiteCapturesEnPassant
6757 || kind == BlackCapturesEnPassant);
6758 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6762 MarkTargetSquares(int clear)
6765 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6766 !appData.testLegality || gameMode == EditPosition) return;
6768 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6771 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6772 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6773 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6775 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6778 DrawPosition(TRUE, NULL);
6782 Explode(Board board, int fromX, int fromY, int toX, int toY)
6784 if(gameInfo.variant == VariantAtomic &&
6785 (board[toY][toX] != EmptySquare || // capture?
6786 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6787 board[fromY][fromX] == BlackPawn )
6789 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6795 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6797 int CanPromote(ChessSquare piece, int y)
6799 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6800 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6801 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6802 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6803 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6804 gameInfo.variant == VariantMakruk) return FALSE;
6805 return (piece == BlackPawn && y == 1 ||
6806 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6807 piece == BlackLance && y == 1 ||
6808 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6811 void LeftClick(ClickType clickType, int xPix, int yPix)
6814 Boolean saveAnimate;
6815 static int second = 0, promotionChoice = 0, clearFlag = 0;
6816 char promoChoice = NULLCHAR;
6819 if(appData.seekGraph && appData.icsActive && loggedOn &&
6820 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6821 SeekGraphClick(clickType, xPix, yPix, 0);
6825 if (clickType == Press) ErrorPopDown();
6827 x = EventToSquare(xPix, BOARD_WIDTH);
6828 y = EventToSquare(yPix, BOARD_HEIGHT);
6829 if (!flipView && y >= 0) {
6830 y = BOARD_HEIGHT - 1 - y;
6832 if (flipView && x >= 0) {
6833 x = BOARD_WIDTH - 1 - x;
6836 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6837 defaultPromoChoice = promoSweep;
6838 promoSweep = EmptySquare; // terminate sweep
6839 promoDefaultAltered = TRUE;
6840 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6843 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6844 if(clickType == Release) return; // ignore upclick of click-click destination
6845 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6846 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6847 if(gameInfo.holdingsWidth &&
6848 (WhiteOnMove(currentMove)
6849 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6850 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6851 // click in right holdings, for determining promotion piece
6852 ChessSquare p = boards[currentMove][y][x];
6853 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6854 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6855 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6856 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6861 DrawPosition(FALSE, boards[currentMove]);
6865 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6866 if(clickType == Press
6867 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6868 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6869 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6872 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6873 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6875 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6876 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6877 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6878 defaultPromoChoice = DefaultPromoChoice(side);
6881 autoQueen = appData.alwaysPromoteToQueen;
6885 gatingPiece = EmptySquare;
6886 if (clickType != Press) {
6887 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6888 DragPieceEnd(xPix, yPix); dragging = 0;
6889 DrawPosition(FALSE, NULL);
6893 fromX = x; fromY = y; toX = toY = -1;
6894 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6895 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6896 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6898 if (OKToStartUserMove(fromX, fromY)) {
6900 MarkTargetSquares(0);
6901 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6902 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6903 promoSweep = defaultPromoChoice;
6904 selectFlag = 0; lastX = xPix; lastY = yPix;
6905 Sweep(0); // Pawn that is going to promote: preview promotion piece
6906 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6908 if (appData.highlightDragging) {
6909 SetHighlights(fromX, fromY, -1, -1);
6911 } else fromX = fromY = -1;
6917 if (clickType == Press && gameMode != EditPosition) {
6922 // ignore off-board to clicks
6923 if(y < 0 || x < 0) return;
6925 /* Check if clicking again on the same color piece */
6926 fromP = boards[currentMove][fromY][fromX];
6927 toP = boards[currentMove][y][x];
6928 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6929 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6930 WhitePawn <= toP && toP <= WhiteKing &&
6931 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6932 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6933 (BlackPawn <= fromP && fromP <= BlackKing &&
6934 BlackPawn <= toP && toP <= BlackKing &&
6935 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6936 !(fromP == BlackKing && toP == BlackRook && frc))) {
6937 /* Clicked again on same color piece -- changed his mind */
6938 second = (x == fromX && y == fromY);
6939 promoDefaultAltered = FALSE;
6940 MarkTargetSquares(1);
6941 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6942 if (appData.highlightDragging) {
6943 SetHighlights(x, y, -1, -1);
6947 if (OKToStartUserMove(x, y)) {
6948 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6949 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6950 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6951 gatingPiece = boards[currentMove][fromY][fromX];
6952 else gatingPiece = EmptySquare;
6954 fromY = y; dragging = 1;
6955 MarkTargetSquares(0);
6956 DragPieceBegin(xPix, yPix, FALSE);
6957 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6958 promoSweep = defaultPromoChoice;
6959 selectFlag = 0; lastX = xPix; lastY = yPix;
6960 Sweep(0); // Pawn that is going to promote: preview promotion piece
6964 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6967 // ignore clicks on holdings
6968 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6971 if (clickType == Release && x == fromX && y == fromY) {
6972 DragPieceEnd(xPix, yPix); dragging = 0;
6974 // a deferred attempt to click-click move an empty square on top of a piece
6975 boards[currentMove][y][x] = EmptySquare;
6977 DrawPosition(FALSE, boards[currentMove]);
6978 fromX = fromY = -1; clearFlag = 0;
6981 if (appData.animateDragging) {
6982 /* Undo animation damage if any */
6983 DrawPosition(FALSE, NULL);
6986 /* Second up/down in same square; just abort move */
6989 gatingPiece = EmptySquare;
6992 ClearPremoveHighlights();
6994 /* First upclick in same square; start click-click mode */
6995 SetHighlights(x, y, -1, -1);
7002 /* we now have a different from- and (possibly off-board) to-square */
7003 /* Completed move */
7006 saveAnimate = appData.animate;
7007 MarkTargetSquares(1);
7008 if (clickType == Press) {
7009 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7010 // must be Edit Position mode with empty-square selected
7011 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7012 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7015 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7016 ChessSquare piece = boards[currentMove][fromY][fromX];
7017 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7018 promoSweep = defaultPromoChoice;
7019 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7020 selectFlag = 0; lastX = xPix; lastY = yPix;
7021 Sweep(0); // Pawn that is going to promote: preview promotion piece
7022 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7023 DrawPosition(FALSE, boards[currentMove]);
7026 /* Finish clickclick move */
7027 if (appData.animate || appData.highlightLastMove) {
7028 SetHighlights(fromX, fromY, toX, toY);
7033 /* Finish drag move */
7034 if (appData.highlightLastMove) {
7035 SetHighlights(fromX, fromY, toX, toY);
7039 DragPieceEnd(xPix, yPix); dragging = 0;
7040 /* Don't animate move and drag both */
7041 appData.animate = FALSE;
7044 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7045 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7046 ChessSquare piece = boards[currentMove][fromY][fromX];
7047 if(gameMode == EditPosition && piece != EmptySquare &&
7048 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7051 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7052 n = PieceToNumber(piece - (int)BlackPawn);
7053 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7054 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7055 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7057 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7058 n = PieceToNumber(piece);
7059 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7060 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7061 boards[currentMove][n][BOARD_WIDTH-2]++;
7063 boards[currentMove][fromY][fromX] = EmptySquare;
7067 DrawPosition(TRUE, boards[currentMove]);
7071 // off-board moves should not be highlighted
7072 if(x < 0 || y < 0) ClearHighlights();
7074 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7076 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7077 SetHighlights(fromX, fromY, toX, toY);
7078 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7079 // [HGM] super: promotion to captured piece selected from holdings
7080 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7081 promotionChoice = TRUE;
7082 // kludge follows to temporarily execute move on display, without promoting yet
7083 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7084 boards[currentMove][toY][toX] = p;
7085 DrawPosition(FALSE, boards[currentMove]);
7086 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7087 boards[currentMove][toY][toX] = q;
7088 DisplayMessage("Click in holdings to choose piece", "");
7093 int oldMove = currentMove;
7094 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7095 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7096 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7097 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7098 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7099 DrawPosition(TRUE, boards[currentMove]);
7102 appData.animate = saveAnimate;
7103 if (appData.animate || appData.animateDragging) {
7104 /* Undo animation damage if needed */
7105 DrawPosition(FALSE, NULL);
7109 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7110 { // front-end-free part taken out of PieceMenuPopup
7111 int whichMenu; int xSqr, ySqr;
7113 if(seekGraphUp) { // [HGM] seekgraph
7114 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7115 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7119 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7120 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7121 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7122 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7123 if(action == Press) {
7124 originalFlip = flipView;
7125 flipView = !flipView; // temporarily flip board to see game from partners perspective
7126 DrawPosition(TRUE, partnerBoard);
7127 DisplayMessage(partnerStatus, "");
7129 } else if(action == Release) {
7130 flipView = originalFlip;
7131 DrawPosition(TRUE, boards[currentMove]);
7137 xSqr = EventToSquare(x, BOARD_WIDTH);
7138 ySqr = EventToSquare(y, BOARD_HEIGHT);
7139 if (action == Release) {
7140 if(pieceSweep != EmptySquare) {
7141 EditPositionMenuEvent(pieceSweep, toX, toY);
7142 pieceSweep = EmptySquare;
7143 } else UnLoadPV(); // [HGM] pv
7145 if (action != Press) return -2; // return code to be ignored
7148 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7150 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7151 if (xSqr < 0 || ySqr < 0) return -1;
7152 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7153 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7154 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7155 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7159 if(!appData.icsEngineAnalyze) return -1;
7160 case IcsPlayingWhite:
7161 case IcsPlayingBlack:
7162 if(!appData.zippyPlay) goto noZip;
7165 case MachinePlaysWhite:
7166 case MachinePlaysBlack:
7167 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7168 if (!appData.dropMenu) {
7170 return 2; // flag front-end to grab mouse events
7172 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7173 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7176 if (xSqr < 0 || ySqr < 0) return -1;
7177 if (!appData.dropMenu || appData.testLegality &&
7178 gameInfo.variant != VariantBughouse &&
7179 gameInfo.variant != VariantCrazyhouse) return -1;
7180 whichMenu = 1; // drop menu
7186 if (((*fromX = xSqr) < 0) ||
7187 ((*fromY = ySqr) < 0)) {
7188 *fromX = *fromY = -1;
7192 *fromX = BOARD_WIDTH - 1 - *fromX;
7194 *fromY = BOARD_HEIGHT - 1 - *fromY;
7199 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7201 // char * hint = lastHint;
7202 FrontEndProgramStats stats;
7204 stats.which = cps == &first ? 0 : 1;
7205 stats.depth = cpstats->depth;
7206 stats.nodes = cpstats->nodes;
7207 stats.score = cpstats->score;
7208 stats.time = cpstats->time;
7209 stats.pv = cpstats->movelist;
7210 stats.hint = lastHint;
7211 stats.an_move_index = 0;
7212 stats.an_move_count = 0;
7214 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7215 stats.hint = cpstats->move_name;
7216 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7217 stats.an_move_count = cpstats->nr_moves;
7220 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
7222 SetProgramStats( &stats );
7226 ClearEngineOutputPane(int which)
7228 static FrontEndProgramStats dummyStats;
7229 dummyStats.which = which;
7230 dummyStats.pv = "#";
7231 SetProgramStats( &dummyStats );
7234 #define MAXPLAYERS 500
7237 TourneyStandings(int display)
7239 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7240 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7241 char result, *p, *names[MAXPLAYERS];
7243 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7244 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7245 names[0] = p = strdup(appData.participants);
7246 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7248 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7250 while(result = appData.results[nr]) {
7251 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7252 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7253 wScore = bScore = 0;
7255 case '+': wScore = 2; break;
7256 case '-': bScore = 2; break;
7257 case '=': wScore = bScore = 1; break;
7259 case '*': return strdup("busy"); // tourney not finished
7267 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7268 for(w=0; w<nPlayers; w++) {
7270 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7271 ranking[w] = b; points[w] = bScore; score[b] = -2;
7273 p = malloc(nPlayers*34+1);
7274 for(w=0; w<nPlayers && w<display; w++)
7275 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7281 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7282 { // count all piece types
7284 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7285 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7286 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7289 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7290 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7291 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7292 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7293 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7294 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7299 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7301 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7302 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7304 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7305 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7306 if(myPawns == 2 && nMine == 3) // KPP
7307 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7308 if(myPawns == 1 && nMine == 2) // KP
7309 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7310 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7311 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7312 if(myPawns) return FALSE;
7313 if(pCnt[WhiteRook+side])
7314 return pCnt[BlackRook-side] ||
7315 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7316 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7317 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7318 if(pCnt[WhiteCannon+side]) {
7319 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7320 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7322 if(pCnt[WhiteKnight+side])
7323 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7328 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7330 VariantClass v = gameInfo.variant;
7332 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7333 if(v == VariantShatranj) return TRUE; // always winnable through baring
7334 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7335 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7337 if(v == VariantXiangqi) {
7338 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7340 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7341 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7342 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7343 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7344 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7345 if(stale) // we have at least one last-rank P plus perhaps C
7346 return majors // KPKX
7347 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7349 return pCnt[WhiteFerz+side] // KCAK
7350 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7351 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7352 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7354 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7355 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7357 if(nMine == 1) return FALSE; // bare King
7358 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
7359 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7360 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7361 // by now we have King + 1 piece (or multiple Bishops on the same color)
7362 if(pCnt[WhiteKnight+side])
7363 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7364 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7365 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7367 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7368 if(pCnt[WhiteAlfil+side])
7369 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7370 if(pCnt[WhiteWazir+side])
7371 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7378 CompareWithRights(Board b1, Board b2)
7381 if(!CompareBoards(b1, b2)) return FALSE;
7382 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7383 /* compare castling rights */
7384 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7385 rights++; /* King lost rights, while rook still had them */
7386 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7387 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7388 rights++; /* but at least one rook lost them */
7390 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7392 if( b1[CASTLING][5] != NoRights ) {
7393 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7400 Adjudicate(ChessProgramState *cps)
7401 { // [HGM] some adjudications useful with buggy engines
7402 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7403 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7404 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7405 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7406 int k, count = 0; static int bare = 1;
7407 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7408 Boolean canAdjudicate = !appData.icsActive;
7410 // most tests only when we understand the game, i.e. legality-checking on
7411 if( appData.testLegality )
7412 { /* [HGM] Some more adjudications for obstinate engines */
7413 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7414 static int moveCount = 6;
7416 char *reason = NULL;
7418 /* Count what is on board. */
7419 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7421 /* Some material-based adjudications that have to be made before stalemate test */
7422 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7423 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7424 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7425 if(canAdjudicate && appData.checkMates) {
7427 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7428 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7429 "Xboard adjudication: King destroyed", GE_XBOARD );
7434 /* Bare King in Shatranj (loses) or Losers (wins) */
7435 if( nrW == 1 || nrB == 1) {
7436 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7437 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7438 if(canAdjudicate && appData.checkMates) {
7440 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7441 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7442 "Xboard adjudication: Bare king", GE_XBOARD );
7446 if( gameInfo.variant == VariantShatranj && --bare < 0)
7448 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7449 if(canAdjudicate && appData.checkMates) {
7450 /* but only adjudicate if adjudication enabled */
7452 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7453 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7454 "Xboard adjudication: Bare king", GE_XBOARD );
7461 // don't wait for engine to announce game end if we can judge ourselves
7462 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7464 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7465 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7466 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7467 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7470 reason = "Xboard adjudication: 3rd check";
7471 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7481 reason = "Xboard adjudication: Stalemate";
7482 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7483 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7484 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7485 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7486 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7487 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7488 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7489 EP_CHECKMATE : EP_WINS);
7490 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7491 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7495 reason = "Xboard adjudication: Checkmate";
7496 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7500 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7502 result = GameIsDrawn; break;
7504 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7506 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7510 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7512 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7513 GameEnds( result, reason, GE_XBOARD );
7517 /* Next absolutely insufficient mating material. */
7518 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7519 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7520 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7522 /* always flag draws, for judging claims */
7523 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7525 if(canAdjudicate && appData.materialDraws) {
7526 /* but only adjudicate them if adjudication enabled */
7527 if(engineOpponent) {
7528 SendToProgram("force\n", engineOpponent); // suppress reply
7529 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7531 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7536 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7537 if(gameInfo.variant == VariantXiangqi ?
7538 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7540 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7541 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7542 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7543 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7545 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7546 { /* if the first 3 moves do not show a tactical win, declare draw */
7547 if(engineOpponent) {
7548 SendToProgram("force\n", engineOpponent); // suppress reply
7549 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7551 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7554 } else moveCount = 6;
7556 if (appData.debugMode) { int i;
7557 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7558 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7559 appData.drawRepeats);
7560 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7561 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7565 // Repetition draws and 50-move rule can be applied independently of legality testing
7567 /* Check for rep-draws */
7569 for(k = forwardMostMove-2;
7570 k>=backwardMostMove && k>=forwardMostMove-100 &&
7571 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7572 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7575 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7576 /* compare castling rights */
7577 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7578 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7579 rights++; /* King lost rights, while rook still had them */
7580 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7581 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7582 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7583 rights++; /* but at least one rook lost them */
7585 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7586 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7588 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7589 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7590 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7593 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7594 && appData.drawRepeats > 1) {
7595 /* adjudicate after user-specified nr of repeats */
7596 int result = GameIsDrawn;
7597 char *details = "XBoard adjudication: repetition draw";
7598 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7599 // [HGM] xiangqi: check for forbidden perpetuals
7600 int m, ourPerpetual = 1, hisPerpetual = 1;
7601 for(m=forwardMostMove; m>k; m-=2) {
7602 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7603 ourPerpetual = 0; // the current mover did not always check
7604 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7605 hisPerpetual = 0; // the opponent did not always check
7607 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7608 ourPerpetual, hisPerpetual);
7609 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7610 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7611 details = "Xboard adjudication: perpetual checking";
7613 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7614 break; // (or we would have caught him before). Abort repetition-checking loop.
7616 // Now check for perpetual chases
7617 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7618 hisPerpetual = PerpetualChase(k, forwardMostMove);
7619 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7620 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7621 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7622 details = "Xboard adjudication: perpetual chasing";
7624 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7625 break; // Abort repetition-checking loop.
7627 // if neither of us is checking or chasing all the time, or both are, it is draw
7629 if(engineOpponent) {
7630 SendToProgram("force\n", engineOpponent); // suppress reply
7631 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7633 GameEnds( result, details, GE_XBOARD );
7636 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7637 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7641 /* Now we test for 50-move draws. Determine ply count */
7642 count = forwardMostMove;
7643 /* look for last irreversble move */
7644 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7646 /* if we hit starting position, add initial plies */
7647 if( count == backwardMostMove )
7648 count -= initialRulePlies;
7649 count = forwardMostMove - count;
7650 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7651 // adjust reversible move counter for checks in Xiangqi
7652 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7653 if(i < backwardMostMove) i = backwardMostMove;
7654 while(i <= forwardMostMove) {
7655 lastCheck = inCheck; // check evasion does not count
7656 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7657 if(inCheck || lastCheck) count--; // check does not count
7662 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7663 /* this is used to judge if draw claims are legal */
7664 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7665 if(engineOpponent) {
7666 SendToProgram("force\n", engineOpponent); // suppress reply
7667 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7669 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7673 /* if draw offer is pending, treat it as a draw claim
7674 * when draw condition present, to allow engines a way to
7675 * claim draws before making their move to avoid a race
7676 * condition occurring after their move
7678 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7680 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7681 p = "Draw claim: 50-move rule";
7682 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7683 p = "Draw claim: 3-fold repetition";
7684 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7685 p = "Draw claim: insufficient mating material";
7686 if( p != NULL && canAdjudicate) {
7687 if(engineOpponent) {
7688 SendToProgram("force\n", engineOpponent); // suppress reply
7689 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7691 GameEnds( GameIsDrawn, p, GE_XBOARD );
7696 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7697 if(engineOpponent) {
7698 SendToProgram("force\n", engineOpponent); // suppress reply
7699 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7701 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7707 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7708 { // [HGM] book: this routine intercepts moves to simulate book replies
7709 char *bookHit = NULL;
7711 //first determine if the incoming move brings opponent into his book
7712 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7713 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7714 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7715 if(bookHit != NULL && !cps->bookSuspend) {
7716 // make sure opponent is not going to reply after receiving move to book position
7717 SendToProgram("force\n", cps);
7718 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7720 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7721 // now arrange restart after book miss
7723 // after a book hit we never send 'go', and the code after the call to this routine
7724 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7725 char buf[MSG_SIZ], *move = bookHit;
7727 int fromX, fromY, toX, toY;
7731 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7732 &fromX, &fromY, &toX, &toY, &promoChar)) {
7733 (void) CoordsToAlgebraic(boards[forwardMostMove],
7734 PosFlags(forwardMostMove),
7735 fromY, fromX, toY, toX, promoChar, move);
7737 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7741 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7742 SendToProgram(buf, cps);
7743 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7744 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7745 SendToProgram("go\n", cps);
7746 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7747 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7748 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7749 SendToProgram("go\n", cps);
7750 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7752 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7756 ChessProgramState *savedState;
7757 void DeferredBookMove(void)
7759 if(savedState->lastPing != savedState->lastPong)
7760 ScheduleDelayedEvent(DeferredBookMove, 10);
7762 HandleMachineMove(savedMessage, savedState);
7765 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7768 HandleMachineMove(message, cps)
7770 ChessProgramState *cps;
7772 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7773 char realname[MSG_SIZ];
7774 int fromX, fromY, toX, toY;
7781 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7782 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7783 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7784 DisplayError(_("Invalid pairing from pairing engine"), 0);
7787 pairingReceived = 1;
7789 return; // Skim the pairing messages here.
7794 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7796 * Kludge to ignore BEL characters
7798 while (*message == '\007') message++;
7801 * [HGM] engine debug message: ignore lines starting with '#' character
7803 if(cps->debug && *message == '#') return;
7806 * Look for book output
7808 if (cps == &first && bookRequested) {
7809 if (message[0] == '\t' || message[0] == ' ') {
7810 /* Part of the book output is here; append it */
7811 strcat(bookOutput, message);
7812 strcat(bookOutput, " \n");
7814 } else if (bookOutput[0] != NULLCHAR) {
7815 /* All of book output has arrived; display it */
7816 char *p = bookOutput;
7817 while (*p != NULLCHAR) {
7818 if (*p == '\t') *p = ' ';
7821 DisplayInformation(bookOutput);
7822 bookRequested = FALSE;
7823 /* Fall through to parse the current output */
7828 * Look for machine move.
7830 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7831 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7833 /* This method is only useful on engines that support ping */
7834 if (cps->lastPing != cps->lastPong) {
7835 if (gameMode == BeginningOfGame) {
7836 /* Extra move from before last new; ignore */
7837 if (appData.debugMode) {
7838 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7841 if (appData.debugMode) {
7842 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7843 cps->which, gameMode);
7846 SendToProgram("undo\n", cps);
7852 case BeginningOfGame:
7853 /* Extra move from before last reset; ignore */
7854 if (appData.debugMode) {
7855 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7862 /* Extra move after we tried to stop. The mode test is
7863 not a reliable way of detecting this problem, but it's
7864 the best we can do on engines that don't support ping.
7866 if (appData.debugMode) {
7867 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7868 cps->which, gameMode);
7870 SendToProgram("undo\n", cps);
7873 case MachinePlaysWhite:
7874 case IcsPlayingWhite:
7875 machineWhite = TRUE;
7878 case MachinePlaysBlack:
7879 case IcsPlayingBlack:
7880 machineWhite = FALSE;
7883 case TwoMachinesPlay:
7884 machineWhite = (cps->twoMachinesColor[0] == 'w');
7887 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7888 if (appData.debugMode) {
7890 "Ignoring move out of turn by %s, gameMode %d"
7891 ", forwardMost %d\n",
7892 cps->which, gameMode, forwardMostMove);
7897 if (appData.debugMode) { int f = forwardMostMove;
7898 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7899 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7900 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7902 if(cps->alphaRank) AlphaRank(machineMove, 4);
7903 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7904 &fromX, &fromY, &toX, &toY, &promoChar)) {
7905 /* Machine move could not be parsed; ignore it. */
7906 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7907 machineMove, _(cps->which));
7908 DisplayError(buf1, 0);
7909 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7910 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7911 if (gameMode == TwoMachinesPlay) {
7912 GameEnds(machineWhite ? BlackWins : WhiteWins,
7918 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7919 /* So we have to redo legality test with true e.p. status here, */
7920 /* to make sure an illegal e.p. capture does not slip through, */
7921 /* to cause a forfeit on a justified illegal-move complaint */
7922 /* of the opponent. */
7923 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7925 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7926 fromY, fromX, toY, toX, promoChar);
7927 if (appData.debugMode) {
7929 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7930 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7931 fprintf(debugFP, "castling rights\n");
7933 if(moveType == IllegalMove) {
7934 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7935 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7936 GameEnds(machineWhite ? BlackWins : WhiteWins,
7939 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7940 /* [HGM] Kludge to handle engines that send FRC-style castling
7941 when they shouldn't (like TSCP-Gothic) */
7943 case WhiteASideCastleFR:
7944 case BlackASideCastleFR:
7946 currentMoveString[2]++;
7948 case WhiteHSideCastleFR:
7949 case BlackHSideCastleFR:
7951 currentMoveString[2]--;
7953 default: ; // nothing to do, but suppresses warning of pedantic compilers
7956 hintRequested = FALSE;
7957 lastHint[0] = NULLCHAR;
7958 bookRequested = FALSE;
7959 /* Program may be pondering now */
7960 cps->maybeThinking = TRUE;
7961 if (cps->sendTime == 2) cps->sendTime = 1;
7962 if (cps->offeredDraw) cps->offeredDraw--;
7964 /* [AS] Save move info*/
7965 pvInfoList[ forwardMostMove ].score = programStats.score;
7966 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7967 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7969 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7971 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7972 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7975 while( count < adjudicateLossPlies ) {
7976 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7979 score = -score; /* Flip score for winning side */
7982 if( score > adjudicateLossThreshold ) {
7989 if( count >= adjudicateLossPlies ) {
7990 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7992 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7993 "Xboard adjudication",
8000 if(Adjudicate(cps)) {
8001 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8002 return; // [HGM] adjudicate: for all automatic game ends
8006 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8008 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8009 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8011 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8013 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8015 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8016 char buf[3*MSG_SIZ];
8018 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8019 programStats.score / 100.,
8021 programStats.time / 100.,
8022 (unsigned int)programStats.nodes,
8023 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8024 programStats.movelist);
8026 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8031 /* [AS] Clear stats for next move */
8032 ClearProgramStats();
8033 thinkOutput[0] = NULLCHAR;
8034 hiddenThinkOutputState = 0;
8037 if (gameMode == TwoMachinesPlay) {
8038 /* [HGM] relaying draw offers moved to after reception of move */
8039 /* and interpreting offer as claim if it brings draw condition */
8040 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8041 SendToProgram("draw\n", cps->other);
8043 if (cps->other->sendTime) {
8044 SendTimeRemaining(cps->other,
8045 cps->other->twoMachinesColor[0] == 'w');
8047 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8048 if (firstMove && !bookHit) {
8050 if (cps->other->useColors) {
8051 SendToProgram(cps->other->twoMachinesColor, cps->other);
8053 SendToProgram("go\n", cps->other);
8055 cps->other->maybeThinking = TRUE;
8058 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8060 if (!pausing && appData.ringBellAfterMoves) {
8065 * Reenable menu items that were disabled while
8066 * machine was thinking
8068 if (gameMode != TwoMachinesPlay)
8069 SetUserThinkingEnables();
8071 // [HGM] book: after book hit opponent has received move and is now in force mode
8072 // force the book reply into it, and then fake that it outputted this move by jumping
8073 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8075 static char bookMove[MSG_SIZ]; // a bit generous?
8077 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8078 strcat(bookMove, bookHit);
8081 programStats.nodes = programStats.depth = programStats.time =
8082 programStats.score = programStats.got_only_move = 0;
8083 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8085 if(cps->lastPing != cps->lastPong) {
8086 savedMessage = message; // args for deferred call
8088 ScheduleDelayedEvent(DeferredBookMove, 10);
8097 /* Set special modes for chess engines. Later something general
8098 * could be added here; for now there is just one kludge feature,
8099 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8100 * when "xboard" is given as an interactive command.
8102 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8103 cps->useSigint = FALSE;
8104 cps->useSigterm = FALSE;
8106 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8107 ParseFeatures(message+8, cps);
8108 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8111 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8112 int dummy, s=6; char buf[MSG_SIZ];
8113 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8114 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8115 ParseFEN(boards[0], &dummy, message+s);
8116 DrawPosition(TRUE, boards[0]);
8117 startedFromSetupPosition = TRUE;
8120 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8121 * want this, I was asked to put it in, and obliged.
8123 if (!strncmp(message, "setboard ", 9)) {
8124 Board initial_position;
8126 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8128 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8129 DisplayError(_("Bad FEN received from engine"), 0);
8133 CopyBoard(boards[0], initial_position);
8134 initialRulePlies = FENrulePlies;
8135 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8136 else gameMode = MachinePlaysBlack;
8137 DrawPosition(FALSE, boards[currentMove]);
8143 * Look for communication commands
8145 if (!strncmp(message, "telluser ", 9)) {
8146 if(message[9] == '\\' && message[10] == '\\')
8147 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8149 DisplayNote(message + 9);
8152 if (!strncmp(message, "tellusererror ", 14)) {
8154 if(message[14] == '\\' && message[15] == '\\')
8155 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8157 DisplayError(message + 14, 0);
8160 if (!strncmp(message, "tellopponent ", 13)) {
8161 if (appData.icsActive) {
8163 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8167 DisplayNote(message + 13);
8171 if (!strncmp(message, "tellothers ", 11)) {
8172 if (appData.icsActive) {
8174 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8180 if (!strncmp(message, "tellall ", 8)) {
8181 if (appData.icsActive) {
8183 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8187 DisplayNote(message + 8);
8191 if (strncmp(message, "warning", 7) == 0) {
8192 /* Undocumented feature, use tellusererror in new code */
8193 DisplayError(message, 0);
8196 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8197 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8198 strcat(realname, " query");
8199 AskQuestion(realname, buf2, buf1, cps->pr);
8202 /* Commands from the engine directly to ICS. We don't allow these to be
8203 * sent until we are logged on. Crafty kibitzes have been known to
8204 * interfere with the login process.
8207 if (!strncmp(message, "tellics ", 8)) {
8208 SendToICS(message + 8);
8212 if (!strncmp(message, "tellicsnoalias ", 15)) {
8213 SendToICS(ics_prefix);
8214 SendToICS(message + 15);
8218 /* The following are for backward compatibility only */
8219 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8220 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8221 SendToICS(ics_prefix);
8227 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8231 * If the move is illegal, cancel it and redraw the board.
8232 * Also deal with other error cases. Matching is rather loose
8233 * here to accommodate engines written before the spec.
8235 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8236 strncmp(message, "Error", 5) == 0) {
8237 if (StrStr(message, "name") ||
8238 StrStr(message, "rating") || StrStr(message, "?") ||
8239 StrStr(message, "result") || StrStr(message, "board") ||
8240 StrStr(message, "bk") || StrStr(message, "computer") ||
8241 StrStr(message, "variant") || StrStr(message, "hint") ||
8242 StrStr(message, "random") || StrStr(message, "depth") ||
8243 StrStr(message, "accepted")) {
8246 if (StrStr(message, "protover")) {
8247 /* Program is responding to input, so it's apparently done
8248 initializing, and this error message indicates it is
8249 protocol version 1. So we don't need to wait any longer
8250 for it to initialize and send feature commands. */
8251 FeatureDone(cps, 1);
8252 cps->protocolVersion = 1;
8255 cps->maybeThinking = FALSE;
8257 if (StrStr(message, "draw")) {
8258 /* Program doesn't have "draw" command */
8259 cps->sendDrawOffers = 0;
8262 if (cps->sendTime != 1 &&
8263 (StrStr(message, "time") || StrStr(message, "otim"))) {
8264 /* Program apparently doesn't have "time" or "otim" command */
8268 if (StrStr(message, "analyze")) {
8269 cps->analysisSupport = FALSE;
8270 cps->analyzing = FALSE;
8271 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8272 EditGameEvent(); // [HGM] try to preserve loaded game
8273 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8274 DisplayError(buf2, 0);
8277 if (StrStr(message, "(no matching move)st")) {
8278 /* Special kludge for GNU Chess 4 only */
8279 cps->stKludge = TRUE;
8280 SendTimeControl(cps, movesPerSession, timeControl,
8281 timeIncrement, appData.searchDepth,
8285 if (StrStr(message, "(no matching move)sd")) {
8286 /* Special kludge for GNU Chess 4 only */
8287 cps->sdKludge = TRUE;
8288 SendTimeControl(cps, movesPerSession, timeControl,
8289 timeIncrement, appData.searchDepth,
8293 if (!StrStr(message, "llegal")) {
8296 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8297 gameMode == IcsIdle) return;
8298 if (forwardMostMove <= backwardMostMove) return;
8299 if (pausing) PauseEvent();
8300 if(appData.forceIllegal) {
8301 // [HGM] illegal: machine refused move; force position after move into it
8302 SendToProgram("force\n", cps);
8303 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8304 // we have a real problem now, as SendBoard will use the a2a3 kludge
8305 // when black is to move, while there might be nothing on a2 or black
8306 // might already have the move. So send the board as if white has the move.
8307 // But first we must change the stm of the engine, as it refused the last move
8308 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8309 if(WhiteOnMove(forwardMostMove)) {
8310 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8311 SendBoard(cps, forwardMostMove); // kludgeless board
8313 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8314 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8315 SendBoard(cps, forwardMostMove+1); // kludgeless board
8317 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8318 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8319 gameMode == TwoMachinesPlay)
8320 SendToProgram("go\n", cps);
8323 if (gameMode == PlayFromGameFile) {
8324 /* Stop reading this game file */
8325 gameMode = EditGame;
8328 /* [HGM] illegal-move claim should forfeit game when Xboard */
8329 /* only passes fully legal moves */
8330 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8331 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8332 "False illegal-move claim", GE_XBOARD );
8333 return; // do not take back move we tested as valid
8335 currentMove = forwardMostMove-1;
8336 DisplayMove(currentMove-1); /* before DisplayMoveError */
8337 SwitchClocks(forwardMostMove-1); // [HGM] race
8338 DisplayBothClocks();
8339 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8340 parseList[currentMove], _(cps->which));
8341 DisplayMoveError(buf1);
8342 DrawPosition(FALSE, boards[currentMove]);
8345 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8346 /* Program has a broken "time" command that
8347 outputs a string not ending in newline.
8353 * If chess program startup fails, exit with an error message.
8354 * Attempts to recover here are futile.
8356 if ((StrStr(message, "unknown host") != NULL)
8357 || (StrStr(message, "No remote directory") != NULL)
8358 || (StrStr(message, "not found") != NULL)
8359 || (StrStr(message, "No such file") != NULL)
8360 || (StrStr(message, "can't alloc") != NULL)
8361 || (StrStr(message, "Permission denied") != NULL)) {
8363 cps->maybeThinking = FALSE;
8364 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8365 _(cps->which), cps->program, cps->host, message);
8366 RemoveInputSource(cps->isr);
8367 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8368 if(cps == &first) appData.noChessProgram = TRUE;
8369 DisplayError(buf1, 0);
8375 * Look for hint output
8377 if (sscanf(message, "Hint: %s", buf1) == 1) {
8378 if (cps == &first && hintRequested) {
8379 hintRequested = FALSE;
8380 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8381 &fromX, &fromY, &toX, &toY, &promoChar)) {
8382 (void) CoordsToAlgebraic(boards[forwardMostMove],
8383 PosFlags(forwardMostMove),
8384 fromY, fromX, toY, toX, promoChar, buf1);
8385 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8386 DisplayInformation(buf2);
8388 /* Hint move could not be parsed!? */
8389 snprintf(buf2, sizeof(buf2),
8390 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8391 buf1, _(cps->which));
8392 DisplayError(buf2, 0);
8395 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8401 * Ignore other messages if game is not in progress
8403 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8404 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8407 * look for win, lose, draw, or draw offer
8409 if (strncmp(message, "1-0", 3) == 0) {
8410 char *p, *q, *r = "";
8411 p = strchr(message, '{');
8419 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8421 } else if (strncmp(message, "0-1", 3) == 0) {
8422 char *p, *q, *r = "";
8423 p = strchr(message, '{');
8431 /* Kludge for Arasan 4.1 bug */
8432 if (strcmp(r, "Black resigns") == 0) {
8433 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8436 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8438 } else if (strncmp(message, "1/2", 3) == 0) {
8439 char *p, *q, *r = "";
8440 p = strchr(message, '{');
8449 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8452 } else if (strncmp(message, "White resign", 12) == 0) {
8453 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8455 } else if (strncmp(message, "Black resign", 12) == 0) {
8456 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8458 } else if (strncmp(message, "White matches", 13) == 0 ||
8459 strncmp(message, "Black matches", 13) == 0 ) {
8460 /* [HGM] ignore GNUShogi noises */
8462 } else if (strncmp(message, "White", 5) == 0 &&
8463 message[5] != '(' &&
8464 StrStr(message, "Black") == NULL) {
8465 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8467 } else if (strncmp(message, "Black", 5) == 0 &&
8468 message[5] != '(') {
8469 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8471 } else if (strcmp(message, "resign") == 0 ||
8472 strcmp(message, "computer resigns") == 0) {
8474 case MachinePlaysBlack:
8475 case IcsPlayingBlack:
8476 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8478 case MachinePlaysWhite:
8479 case IcsPlayingWhite:
8480 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8482 case TwoMachinesPlay:
8483 if (cps->twoMachinesColor[0] == 'w')
8484 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8486 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8493 } else if (strncmp(message, "opponent mates", 14) == 0) {
8495 case MachinePlaysBlack:
8496 case IcsPlayingBlack:
8497 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8499 case MachinePlaysWhite:
8500 case IcsPlayingWhite:
8501 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8503 case TwoMachinesPlay:
8504 if (cps->twoMachinesColor[0] == 'w')
8505 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8507 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8514 } else if (strncmp(message, "computer mates", 14) == 0) {
8516 case MachinePlaysBlack:
8517 case IcsPlayingBlack:
8518 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8520 case MachinePlaysWhite:
8521 case IcsPlayingWhite:
8522 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8524 case TwoMachinesPlay:
8525 if (cps->twoMachinesColor[0] == 'w')
8526 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8528 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8535 } else if (strncmp(message, "checkmate", 9) == 0) {
8536 if (WhiteOnMove(forwardMostMove)) {
8537 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8539 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8542 } else if (strstr(message, "Draw") != NULL ||
8543 strstr(message, "game is a draw") != NULL) {
8544 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8546 } else if (strstr(message, "offer") != NULL &&
8547 strstr(message, "draw") != NULL) {
8549 if (appData.zippyPlay && first.initDone) {
8550 /* Relay offer to ICS */
8551 SendToICS(ics_prefix);
8552 SendToICS("draw\n");
8555 cps->offeredDraw = 2; /* valid until this engine moves twice */
8556 if (gameMode == TwoMachinesPlay) {
8557 if (cps->other->offeredDraw) {
8558 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8559 /* [HGM] in two-machine mode we delay relaying draw offer */
8560 /* until after we also have move, to see if it is really claim */
8562 } else if (gameMode == MachinePlaysWhite ||
8563 gameMode == MachinePlaysBlack) {
8564 if (userOfferedDraw) {
8565 DisplayInformation(_("Machine accepts your draw offer"));
8566 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8568 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8575 * Look for thinking output
8577 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8578 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8580 int plylev, mvleft, mvtot, curscore, time;
8581 char mvname[MOVE_LEN];
8585 int prefixHint = FALSE;
8586 mvname[0] = NULLCHAR;
8589 case MachinePlaysBlack:
8590 case IcsPlayingBlack:
8591 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8593 case MachinePlaysWhite:
8594 case IcsPlayingWhite:
8595 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8600 case IcsObserving: /* [DM] icsEngineAnalyze */
8601 if (!appData.icsEngineAnalyze) ignore = TRUE;
8603 case TwoMachinesPlay:
8604 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8614 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8616 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8617 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8619 if (plyext != ' ' && plyext != '\t') {
8623 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8624 if( cps->scoreIsAbsolute &&
8625 ( gameMode == MachinePlaysBlack ||
8626 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8627 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8628 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8629 !WhiteOnMove(currentMove)
8632 curscore = -curscore;
8635 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8637 tempStats.depth = plylev;
8638 tempStats.nodes = nodes;
8639 tempStats.time = time;
8640 tempStats.score = curscore;
8641 tempStats.got_only_move = 0;
8643 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8646 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8647 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8648 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8649 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8650 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8651 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8652 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8653 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8656 /* Buffer overflow protection */
8657 if (pv[0] != NULLCHAR) {
8658 if (strlen(pv) >= sizeof(tempStats.movelist)
8659 && appData.debugMode) {
8661 "PV is too long; using the first %u bytes.\n",
8662 (unsigned) sizeof(tempStats.movelist) - 1);
8665 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8667 sprintf(tempStats.movelist, " no PV\n");
8670 if (tempStats.seen_stat) {
8671 tempStats.ok_to_send = 1;
8674 if (strchr(tempStats.movelist, '(') != NULL) {
8675 tempStats.line_is_book = 1;
8676 tempStats.nr_moves = 0;
8677 tempStats.moves_left = 0;
8679 tempStats.line_is_book = 0;
8682 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8683 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8685 SendProgramStatsToFrontend( cps, &tempStats );
8688 [AS] Protect the thinkOutput buffer from overflow... this
8689 is only useful if buf1 hasn't overflowed first!
8691 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8693 (gameMode == TwoMachinesPlay ?
8694 ToUpper(cps->twoMachinesColor[0]) : ' '),
8695 ((double) curscore) / 100.0,
8696 prefixHint ? lastHint : "",
8697 prefixHint ? " " : "" );
8699 if( buf1[0] != NULLCHAR ) {
8700 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8702 if( strlen(pv) > max_len ) {
8703 if( appData.debugMode) {
8704 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8706 pv[max_len+1] = '\0';
8709 strcat( thinkOutput, pv);
8712 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8713 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8714 DisplayMove(currentMove - 1);
8718 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8719 /* crafty (9.25+) says "(only move) <move>"
8720 * if there is only 1 legal move
8722 sscanf(p, "(only move) %s", buf1);
8723 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8724 sprintf(programStats.movelist, "%s (only move)", buf1);
8725 programStats.depth = 1;
8726 programStats.nr_moves = 1;
8727 programStats.moves_left = 1;
8728 programStats.nodes = 1;
8729 programStats.time = 1;
8730 programStats.got_only_move = 1;
8732 /* Not really, but we also use this member to
8733 mean "line isn't going to change" (Crafty
8734 isn't searching, so stats won't change) */
8735 programStats.line_is_book = 1;
8737 SendProgramStatsToFrontend( cps, &programStats );
8739 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8740 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8741 DisplayMove(currentMove - 1);
8744 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8745 &time, &nodes, &plylev, &mvleft,
8746 &mvtot, mvname) >= 5) {
8747 /* The stat01: line is from Crafty (9.29+) in response
8748 to the "." command */
8749 programStats.seen_stat = 1;
8750 cps->maybeThinking = TRUE;
8752 if (programStats.got_only_move || !appData.periodicUpdates)
8755 programStats.depth = plylev;
8756 programStats.time = time;
8757 programStats.nodes = nodes;
8758 programStats.moves_left = mvleft;
8759 programStats.nr_moves = mvtot;
8760 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8761 programStats.ok_to_send = 1;
8762 programStats.movelist[0] = '\0';
8764 SendProgramStatsToFrontend( cps, &programStats );
8768 } else if (strncmp(message,"++",2) == 0) {
8769 /* Crafty 9.29+ outputs this */
8770 programStats.got_fail = 2;
8773 } else if (strncmp(message,"--",2) == 0) {
8774 /* Crafty 9.29+ outputs this */
8775 programStats.got_fail = 1;
8778 } else if (thinkOutput[0] != NULLCHAR &&
8779 strncmp(message, " ", 4) == 0) {
8780 unsigned message_len;
8783 while (*p && *p == ' ') p++;
8785 message_len = strlen( p );
8787 /* [AS] Avoid buffer overflow */
8788 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8789 strcat(thinkOutput, " ");
8790 strcat(thinkOutput, p);
8793 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8794 strcat(programStats.movelist, " ");
8795 strcat(programStats.movelist, p);
8798 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8799 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8800 DisplayMove(currentMove - 1);
8808 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8809 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8811 ChessProgramStats cpstats;
8813 if (plyext != ' ' && plyext != '\t') {
8817 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8818 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8819 curscore = -curscore;
8822 cpstats.depth = plylev;
8823 cpstats.nodes = nodes;
8824 cpstats.time = time;
8825 cpstats.score = curscore;
8826 cpstats.got_only_move = 0;
8827 cpstats.movelist[0] = '\0';
8829 if (buf1[0] != NULLCHAR) {
8830 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8833 cpstats.ok_to_send = 0;
8834 cpstats.line_is_book = 0;
8835 cpstats.nr_moves = 0;
8836 cpstats.moves_left = 0;
8838 SendProgramStatsToFrontend( cps, &cpstats );
8845 /* Parse a game score from the character string "game", and
8846 record it as the history of the current game. The game
8847 score is NOT assumed to start from the standard position.
8848 The display is not updated in any way.
8851 ParseGameHistory(game)
8855 int fromX, fromY, toX, toY, boardIndex;
8860 if (appData.debugMode)
8861 fprintf(debugFP, "Parsing game history: %s\n", game);
8863 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8864 gameInfo.site = StrSave(appData.icsHost);
8865 gameInfo.date = PGNDate();
8866 gameInfo.round = StrSave("-");
8868 /* Parse out names of players */
8869 while (*game == ' ') game++;
8871 while (*game != ' ') *p++ = *game++;
8873 gameInfo.white = StrSave(buf);
8874 while (*game == ' ') game++;
8876 while (*game != ' ' && *game != '\n') *p++ = *game++;
8878 gameInfo.black = StrSave(buf);
8881 boardIndex = blackPlaysFirst ? 1 : 0;
8884 yyboardindex = boardIndex;
8885 moveType = (ChessMove) Myylex();
8887 case IllegalMove: /* maybe suicide chess, etc. */
8888 if (appData.debugMode) {
8889 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8890 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8891 setbuf(debugFP, NULL);
8893 case WhitePromotion:
8894 case BlackPromotion:
8895 case WhiteNonPromotion:
8896 case BlackNonPromotion:
8898 case WhiteCapturesEnPassant:
8899 case BlackCapturesEnPassant:
8900 case WhiteKingSideCastle:
8901 case WhiteQueenSideCastle:
8902 case BlackKingSideCastle:
8903 case BlackQueenSideCastle:
8904 case WhiteKingSideCastleWild:
8905 case WhiteQueenSideCastleWild:
8906 case BlackKingSideCastleWild:
8907 case BlackQueenSideCastleWild:
8909 case WhiteHSideCastleFR:
8910 case WhiteASideCastleFR:
8911 case BlackHSideCastleFR:
8912 case BlackASideCastleFR:
8914 fromX = currentMoveString[0] - AAA;
8915 fromY = currentMoveString[1] - ONE;
8916 toX = currentMoveString[2] - AAA;
8917 toY = currentMoveString[3] - ONE;
8918 promoChar = currentMoveString[4];
8922 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8923 fromX = moveType == WhiteDrop ?
8924 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8925 (int) CharToPiece(ToLower(currentMoveString[0]));
8927 toX = currentMoveString[2] - AAA;
8928 toY = currentMoveString[3] - ONE;
8929 promoChar = NULLCHAR;
8933 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8934 if (appData.debugMode) {
8935 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8936 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8937 setbuf(debugFP, NULL);
8939 DisplayError(buf, 0);
8941 case ImpossibleMove:
8943 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8944 if (appData.debugMode) {
8945 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8946 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8947 setbuf(debugFP, NULL);
8949 DisplayError(buf, 0);
8952 if (boardIndex < backwardMostMove) {
8953 /* Oops, gap. How did that happen? */
8954 DisplayError(_("Gap in move list"), 0);
8957 backwardMostMove = blackPlaysFirst ? 1 : 0;
8958 if (boardIndex > forwardMostMove) {
8959 forwardMostMove = boardIndex;
8963 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8964 strcat(parseList[boardIndex-1], " ");
8965 strcat(parseList[boardIndex-1], yy_text);
8977 case GameUnfinished:
8978 if (gameMode == IcsExamining) {
8979 if (boardIndex < backwardMostMove) {
8980 /* Oops, gap. How did that happen? */
8983 backwardMostMove = blackPlaysFirst ? 1 : 0;
8986 gameInfo.result = moveType;
8987 p = strchr(yy_text, '{');
8988 if (p == NULL) p = strchr(yy_text, '(');
8991 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8993 q = strchr(p, *p == '{' ? '}' : ')');
8994 if (q != NULL) *q = NULLCHAR;
8997 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8998 gameInfo.resultDetails = StrSave(p);
9001 if (boardIndex >= forwardMostMove &&
9002 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9003 backwardMostMove = blackPlaysFirst ? 1 : 0;
9006 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9007 fromY, fromX, toY, toX, promoChar,
9008 parseList[boardIndex]);
9009 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9010 /* currentMoveString is set as a side-effect of yylex */
9011 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9012 strcat(moveList[boardIndex], "\n");
9014 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9015 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9021 if(gameInfo.variant != VariantShogi)
9022 strcat(parseList[boardIndex - 1], "+");
9026 strcat(parseList[boardIndex - 1], "#");
9033 /* Apply a move to the given board */
9035 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9036 int fromX, fromY, toX, toY;
9040 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9041 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9043 /* [HGM] compute & store e.p. status and castling rights for new position */
9044 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9046 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9047 oldEP = (signed char)board[EP_STATUS];
9048 board[EP_STATUS] = EP_NONE;
9050 if (fromY == DROP_RANK) {
9052 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9053 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9056 piece = board[toY][toX] = (ChessSquare) fromX;
9060 if( board[toY][toX] != EmptySquare )
9061 board[EP_STATUS] = EP_CAPTURE;
9063 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9064 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9065 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9067 if( board[fromY][fromX] == WhitePawn ) {
9068 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9069 board[EP_STATUS] = EP_PAWN_MOVE;
9071 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9072 gameInfo.variant != VariantBerolina || toX < fromX)
9073 board[EP_STATUS] = toX | berolina;
9074 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9075 gameInfo.variant != VariantBerolina || toX > fromX)
9076 board[EP_STATUS] = toX;
9079 if( board[fromY][fromX] == BlackPawn ) {
9080 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9081 board[EP_STATUS] = EP_PAWN_MOVE;
9082 if( toY-fromY== -2) {
9083 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9084 gameInfo.variant != VariantBerolina || toX < fromX)
9085 board[EP_STATUS] = toX | berolina;
9086 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9087 gameInfo.variant != VariantBerolina || toX > fromX)
9088 board[EP_STATUS] = toX;
9092 for(i=0; i<nrCastlingRights; i++) {
9093 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9094 board[CASTLING][i] == toX && castlingRank[i] == toY
9095 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9098 if (fromX == toX && fromY == toY) return;
9100 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9101 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9102 if(gameInfo.variant == VariantKnightmate)
9103 king += (int) WhiteUnicorn - (int) WhiteKing;
9105 /* Code added by Tord: */
9106 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9107 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9108 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9109 board[fromY][fromX] = EmptySquare;
9110 board[toY][toX] = EmptySquare;
9111 if((toX > fromX) != (piece == WhiteRook)) {
9112 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9114 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9116 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9117 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9118 board[fromY][fromX] = EmptySquare;
9119 board[toY][toX] = EmptySquare;
9120 if((toX > fromX) != (piece == BlackRook)) {
9121 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9123 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9125 /* End of code added by Tord */
9127 } else if (board[fromY][fromX] == king
9128 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9129 && toY == fromY && toX > fromX+1) {
9130 board[fromY][fromX] = EmptySquare;
9131 board[toY][toX] = king;
9132 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9133 board[fromY][BOARD_RGHT-1] = EmptySquare;
9134 } else if (board[fromY][fromX] == king
9135 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9136 && toY == fromY && toX < fromX-1) {
9137 board[fromY][fromX] = EmptySquare;
9138 board[toY][toX] = king;
9139 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9140 board[fromY][BOARD_LEFT] = EmptySquare;
9141 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9142 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9143 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9145 /* white pawn promotion */
9146 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9147 if(gameInfo.variant==VariantBughouse ||
9148 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9149 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9150 board[fromY][fromX] = EmptySquare;
9151 } else if ((fromY >= BOARD_HEIGHT>>1)
9153 && gameInfo.variant != VariantXiangqi
9154 && gameInfo.variant != VariantBerolina
9155 && (board[fromY][fromX] == WhitePawn)
9156 && (board[toY][toX] == EmptySquare)) {
9157 board[fromY][fromX] = EmptySquare;
9158 board[toY][toX] = WhitePawn;
9159 captured = board[toY - 1][toX];
9160 board[toY - 1][toX] = EmptySquare;
9161 } else if ((fromY == BOARD_HEIGHT-4)
9163 && gameInfo.variant == VariantBerolina
9164 && (board[fromY][fromX] == WhitePawn)
9165 && (board[toY][toX] == EmptySquare)) {
9166 board[fromY][fromX] = EmptySquare;
9167 board[toY][toX] = WhitePawn;
9168 if(oldEP & EP_BEROLIN_A) {
9169 captured = board[fromY][fromX-1];
9170 board[fromY][fromX-1] = EmptySquare;
9171 }else{ captured = board[fromY][fromX+1];
9172 board[fromY][fromX+1] = EmptySquare;
9174 } else if (board[fromY][fromX] == king
9175 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9176 && toY == fromY && toX > fromX+1) {
9177 board[fromY][fromX] = EmptySquare;
9178 board[toY][toX] = king;
9179 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9180 board[fromY][BOARD_RGHT-1] = EmptySquare;
9181 } else if (board[fromY][fromX] == king
9182 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9183 && toY == fromY && toX < fromX-1) {
9184 board[fromY][fromX] = EmptySquare;
9185 board[toY][toX] = king;
9186 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9187 board[fromY][BOARD_LEFT] = EmptySquare;
9188 } else if (fromY == 7 && fromX == 3
9189 && board[fromY][fromX] == BlackKing
9190 && toY == 7 && toX == 5) {
9191 board[fromY][fromX] = EmptySquare;
9192 board[toY][toX] = BlackKing;
9193 board[fromY][7] = EmptySquare;
9194 board[toY][4] = BlackRook;
9195 } else if (fromY == 7 && fromX == 3
9196 && board[fromY][fromX] == BlackKing
9197 && toY == 7 && toX == 1) {
9198 board[fromY][fromX] = EmptySquare;
9199 board[toY][toX] = BlackKing;
9200 board[fromY][0] = EmptySquare;
9201 board[toY][2] = BlackRook;
9202 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9203 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9204 && toY < promoRank && promoChar
9206 /* black pawn promotion */
9207 board[toY][toX] = CharToPiece(ToLower(promoChar));
9208 if(gameInfo.variant==VariantBughouse ||
9209 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9210 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9211 board[fromY][fromX] = EmptySquare;
9212 } else if ((fromY < BOARD_HEIGHT>>1)
9214 && gameInfo.variant != VariantXiangqi
9215 && gameInfo.variant != VariantBerolina
9216 && (board[fromY][fromX] == BlackPawn)
9217 && (board[toY][toX] == EmptySquare)) {
9218 board[fromY][fromX] = EmptySquare;
9219 board[toY][toX] = BlackPawn;
9220 captured = board[toY + 1][toX];
9221 board[toY + 1][toX] = EmptySquare;
9222 } else if ((fromY == 3)
9224 && gameInfo.variant == VariantBerolina
9225 && (board[fromY][fromX] == BlackPawn)
9226 && (board[toY][toX] == EmptySquare)) {
9227 board[fromY][fromX] = EmptySquare;
9228 board[toY][toX] = BlackPawn;
9229 if(oldEP & EP_BEROLIN_A) {
9230 captured = board[fromY][fromX-1];
9231 board[fromY][fromX-1] = EmptySquare;
9232 }else{ captured = board[fromY][fromX+1];
9233 board[fromY][fromX+1] = EmptySquare;
9236 board[toY][toX] = board[fromY][fromX];
9237 board[fromY][fromX] = EmptySquare;
9241 if (gameInfo.holdingsWidth != 0) {
9243 /* !!A lot more code needs to be written to support holdings */
9244 /* [HGM] OK, so I have written it. Holdings are stored in the */
9245 /* penultimate board files, so they are automaticlly stored */
9246 /* in the game history. */
9247 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9248 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9249 /* Delete from holdings, by decreasing count */
9250 /* and erasing image if necessary */
9251 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9252 if(p < (int) BlackPawn) { /* white drop */
9253 p -= (int)WhitePawn;
9254 p = PieceToNumber((ChessSquare)p);
9255 if(p >= gameInfo.holdingsSize) p = 0;
9256 if(--board[p][BOARD_WIDTH-2] <= 0)
9257 board[p][BOARD_WIDTH-1] = EmptySquare;
9258 if((int)board[p][BOARD_WIDTH-2] < 0)
9259 board[p][BOARD_WIDTH-2] = 0;
9260 } else { /* black drop */
9261 p -= (int)BlackPawn;
9262 p = PieceToNumber((ChessSquare)p);
9263 if(p >= gameInfo.holdingsSize) p = 0;
9264 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9265 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9266 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9267 board[BOARD_HEIGHT-1-p][1] = 0;
9270 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9271 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9272 /* [HGM] holdings: Add to holdings, if holdings exist */
9273 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9274 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9275 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9278 if (p >= (int) BlackPawn) {
9279 p -= (int)BlackPawn;
9280 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9281 /* in Shogi restore piece to its original first */
9282 captured = (ChessSquare) (DEMOTED captured);
9285 p = PieceToNumber((ChessSquare)p);
9286 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9287 board[p][BOARD_WIDTH-2]++;
9288 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9290 p -= (int)WhitePawn;
9291 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9292 captured = (ChessSquare) (DEMOTED captured);
9295 p = PieceToNumber((ChessSquare)p);
9296 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9297 board[BOARD_HEIGHT-1-p][1]++;
9298 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9301 } else if (gameInfo.variant == VariantAtomic) {
9302 if (captured != EmptySquare) {
9304 for (y = toY-1; y <= toY+1; y++) {
9305 for (x = toX-1; x <= toX+1; x++) {
9306 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9307 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9308 board[y][x] = EmptySquare;
9312 board[toY][toX] = EmptySquare;
9315 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9316 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9318 if(promoChar == '+') {
9319 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9320 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9321 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9322 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9324 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9325 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9326 // [HGM] superchess: take promotion piece out of holdings
9327 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9328 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9329 if(!--board[k][BOARD_WIDTH-2])
9330 board[k][BOARD_WIDTH-1] = EmptySquare;
9332 if(!--board[BOARD_HEIGHT-1-k][1])
9333 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9339 /* Updates forwardMostMove */
9341 MakeMove(fromX, fromY, toX, toY, promoChar)
9342 int fromX, fromY, toX, toY;
9345 // forwardMostMove++; // [HGM] bare: moved downstream
9347 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9348 int timeLeft; static int lastLoadFlag=0; int king, piece;
9349 piece = boards[forwardMostMove][fromY][fromX];
9350 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9351 if(gameInfo.variant == VariantKnightmate)
9352 king += (int) WhiteUnicorn - (int) WhiteKing;
9353 if(forwardMostMove == 0) {
9355 fprintf(serverMoves, "%s;", second.tidy);
9356 fprintf(serverMoves, "%s;", first.tidy);
9357 if(!blackPlaysFirst)
9358 fprintf(serverMoves, "%s;", second.tidy);
9359 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9360 lastLoadFlag = loadFlag;
9362 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9363 // print castling suffix
9364 if( toY == fromY && piece == king ) {
9366 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9368 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9371 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9372 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9373 boards[forwardMostMove][toY][toX] == EmptySquare
9374 && fromX != toX && fromY != toY)
9375 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9377 if(promoChar != NULLCHAR)
9378 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9380 fprintf(serverMoves, "/%d/%d",
9381 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9382 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9383 else timeLeft = blackTimeRemaining/1000;
9384 fprintf(serverMoves, "/%d", timeLeft);
9386 fflush(serverMoves);
9389 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9390 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9394 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9395 if (commentList[forwardMostMove+1] != NULL) {
9396 free(commentList[forwardMostMove+1]);
9397 commentList[forwardMostMove+1] = NULL;
9399 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9400 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9401 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9402 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9403 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9404 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9405 gameInfo.result = GameUnfinished;
9406 if (gameInfo.resultDetails != NULL) {
9407 free(gameInfo.resultDetails);
9408 gameInfo.resultDetails = NULL;
9410 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9411 moveList[forwardMostMove - 1]);
9412 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9413 PosFlags(forwardMostMove - 1),
9414 fromY, fromX, toY, toX, promoChar,
9415 parseList[forwardMostMove - 1]);
9416 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9422 if(gameInfo.variant != VariantShogi)
9423 strcat(parseList[forwardMostMove - 1], "+");
9427 strcat(parseList[forwardMostMove - 1], "#");
9430 if (appData.debugMode) {
9431 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9436 /* Updates currentMove if not pausing */
9438 ShowMove(fromX, fromY, toX, toY)
9440 int instant = (gameMode == PlayFromGameFile) ?
9441 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9442 if(appData.noGUI) return;
9443 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9445 if (forwardMostMove == currentMove + 1) {
9446 AnimateMove(boards[forwardMostMove - 1],
9447 fromX, fromY, toX, toY);
9449 if (appData.highlightLastMove) {
9450 SetHighlights(fromX, fromY, toX, toY);
9453 currentMove = forwardMostMove;
9456 if (instant) return;
9458 DisplayMove(currentMove - 1);
9459 DrawPosition(FALSE, boards[currentMove]);
9460 DisplayBothClocks();
9461 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9462 DisplayBook(currentMove);
9465 void SendEgtPath(ChessProgramState *cps)
9466 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9467 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9469 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9472 char c, *q = name+1, *r, *s;
9474 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9475 while(*p && *p != ',') *q++ = *p++;
9477 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9478 strcmp(name, ",nalimov:") == 0 ) {
9479 // take nalimov path from the menu-changeable option first, if it is defined
9480 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9481 SendToProgram(buf,cps); // send egtbpath command for nalimov
9483 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9484 (s = StrStr(appData.egtFormats, name)) != NULL) {
9485 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9486 s = r = StrStr(s, ":") + 1; // beginning of path info
9487 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9488 c = *r; *r = 0; // temporarily null-terminate path info
9489 *--q = 0; // strip of trailig ':' from name
9490 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9492 SendToProgram(buf,cps); // send egtbpath command for this format
9494 if(*p == ',') p++; // read away comma to position for next format name
9499 InitChessProgram(cps, setup)
9500 ChessProgramState *cps;
9501 int setup; /* [HGM] needed to setup FRC opening position */
9503 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9504 if (appData.noChessProgram) return;
9505 hintRequested = FALSE;
9506 bookRequested = FALSE;
9508 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9509 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9510 if(cps->memSize) { /* [HGM] memory */
9511 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9512 SendToProgram(buf, cps);
9514 SendEgtPath(cps); /* [HGM] EGT */
9515 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9516 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9517 SendToProgram(buf, cps);
9520 SendToProgram(cps->initString, cps);
9521 if (gameInfo.variant != VariantNormal &&
9522 gameInfo.variant != VariantLoadable
9523 /* [HGM] also send variant if board size non-standard */
9524 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9526 char *v = VariantName(gameInfo.variant);
9527 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9528 /* [HGM] in protocol 1 we have to assume all variants valid */
9529 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9530 DisplayFatalError(buf, 0, 1);
9534 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9535 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9536 if( gameInfo.variant == VariantXiangqi )
9537 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9538 if( gameInfo.variant == VariantShogi )
9539 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9540 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9541 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9542 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9543 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9544 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9545 if( gameInfo.variant == VariantCourier )
9546 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9547 if( gameInfo.variant == VariantSuper )
9548 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9549 if( gameInfo.variant == VariantGreat )
9550 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9551 if( gameInfo.variant == VariantSChess )
9552 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9553 if( gameInfo.variant == VariantGrand )
9554 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9557 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9558 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9559 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9560 if(StrStr(cps->variants, b) == NULL) {
9561 // specific sized variant not known, check if general sizing allowed
9562 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9563 if(StrStr(cps->variants, "boardsize") == NULL) {
9564 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9565 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9566 DisplayFatalError(buf, 0, 1);
9569 /* [HGM] here we really should compare with the maximum supported board size */
9572 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9573 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9574 SendToProgram(buf, cps);
9576 currentlyInitializedVariant = gameInfo.variant;
9578 /* [HGM] send opening position in FRC to first engine */
9580 SendToProgram("force\n", cps);
9582 /* engine is now in force mode! Set flag to wake it up after first move. */
9583 setboardSpoiledMachineBlack = 1;
9587 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9588 SendToProgram(buf, cps);
9590 cps->maybeThinking = FALSE;
9591 cps->offeredDraw = 0;
9592 if (!appData.icsActive) {
9593 SendTimeControl(cps, movesPerSession, timeControl,
9594 timeIncrement, appData.searchDepth,
9597 if (appData.showThinking
9598 // [HGM] thinking: four options require thinking output to be sent
9599 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9601 SendToProgram("post\n", cps);
9603 SendToProgram("hard\n", cps);
9604 if (!appData.ponderNextMove) {
9605 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9606 it without being sure what state we are in first. "hard"
9607 is not a toggle, so that one is OK.
9609 SendToProgram("easy\n", cps);
9612 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9613 SendToProgram(buf, cps);
9615 cps->initDone = TRUE;
9616 ClearEngineOutputPane(cps == &second);
9621 StartChessProgram(cps)
9622 ChessProgramState *cps;
9627 if (appData.noChessProgram) return;
9628 cps->initDone = FALSE;
9630 if (strcmp(cps->host, "localhost") == 0) {
9631 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9632 } else if (*appData.remoteShell == NULLCHAR) {
9633 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9635 if (*appData.remoteUser == NULLCHAR) {
9636 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9639 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9640 cps->host, appData.remoteUser, cps->program);
9642 err = StartChildProcess(buf, "", &cps->pr);
9646 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9647 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9648 if(cps != &first) return;
9649 appData.noChessProgram = TRUE;
9652 // DisplayFatalError(buf, err, 1);
9653 // cps->pr = NoProc;
9658 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9659 if (cps->protocolVersion > 1) {
9660 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9661 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9662 cps->comboCnt = 0; // and values of combo boxes
9663 SendToProgram(buf, cps);
9665 SendToProgram("xboard\n", cps);
9670 TwoMachinesEventIfReady P((void))
9672 static int curMess = 0;
9673 if (first.lastPing != first.lastPong) {
9674 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9675 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9678 if (second.lastPing != second.lastPong) {
9679 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9680 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9683 DisplayMessage("", ""); curMess = 0;
9689 MakeName(char *template)
9693 static char buf[MSG_SIZ];
9697 clock = time((time_t *)NULL);
9698 tm = localtime(&clock);
9700 while(*p++ = *template++) if(p[-1] == '%') {
9701 switch(*template++) {
9702 case 0: *p = 0; return buf;
9703 case 'Y': i = tm->tm_year+1900; break;
9704 case 'y': i = tm->tm_year-100; break;
9705 case 'M': i = tm->tm_mon+1; break;
9706 case 'd': i = tm->tm_mday; break;
9707 case 'h': i = tm->tm_hour; break;
9708 case 'm': i = tm->tm_min; break;
9709 case 's': i = tm->tm_sec; break;
9712 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9718 CountPlayers(char *p)
9721 while(p = strchr(p, '\n')) p++, n++; // count participants
9726 WriteTourneyFile(char *results, FILE *f)
9727 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9728 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9729 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9730 // create a file with tournament description
9731 fprintf(f, "-participants {%s}\n", appData.participants);
9732 fprintf(f, "-seedBase %d\n", appData.seedBase);
9733 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9734 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9735 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9736 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9737 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9738 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9739 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9740 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9741 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9742 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9743 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9745 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9747 fprintf(f, "-mps %d\n", appData.movesPerSession);
9748 fprintf(f, "-tc %s\n", appData.timeControl);
9749 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9751 fprintf(f, "-results \"%s\"\n", results);
9756 #define MAXENGINES 1000
9757 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9759 void Substitute(char *participants, int expunge)
9761 int i, changed, changes=0, nPlayers=0;
9762 char *p, *q, *r, buf[MSG_SIZ];
9763 if(participants == NULL) return;
9764 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9765 r = p = participants; q = appData.participants;
9766 while(*p && *p == *q) {
9767 if(*p == '\n') r = p+1, nPlayers++;
9770 if(*p) { // difference
9771 while(*p && *p++ != '\n');
9772 while(*q && *q++ != '\n');
9774 changes = 1 + (strcmp(p, q) != 0);
9776 if(changes == 1) { // a single engine mnemonic was changed
9777 q = r; while(*q) nPlayers += (*q++ == '\n');
9778 p = buf; while(*r && (*p = *r++) != '\n') p++;
9780 NamesToList(firstChessProgramNames, command, mnemonic);
9781 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9782 if(mnemonic[i]) { // The substitute is valid
9784 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9785 flock(fileno(f), LOCK_EX);
9786 ParseArgsFromFile(f);
9787 fseek(f, 0, SEEK_SET);
9788 FREE(appData.participants); appData.participants = participants;
9789 if(expunge) { // erase results of replaced engine
9790 int len = strlen(appData.results), w, b, dummy;
9791 for(i=0; i<len; i++) {
9792 Pairing(i, nPlayers, &w, &b, &dummy);
9793 if((w == changed || b == changed) && appData.results[i] == '*') {
9794 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9799 for(i=0; i<len; i++) {
9800 Pairing(i, nPlayers, &w, &b, &dummy);
9801 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9804 WriteTourneyFile(appData.results, f);
9805 fclose(f); // release lock
9808 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9810 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9811 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9817 CreateTourney(char *name)
9820 if(matchMode && strcmp(name, appData.tourneyFile)) {
9821 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9823 if(name[0] == NULLCHAR) {
9824 if(appData.participants[0])
9825 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9828 f = fopen(name, "r");
9829 if(f) { // file exists
9830 ASSIGN(appData.tourneyFile, name);
9831 ParseArgsFromFile(f); // parse it
9833 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9834 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9835 DisplayError(_("Not enough participants"), 0);
9838 ASSIGN(appData.tourneyFile, name);
9839 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9840 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9843 appData.noChessProgram = FALSE;
9844 appData.clockMode = TRUE;
9849 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9851 char buf[MSG_SIZ], *p, *q;
9855 while(*p && *p != '\n') *q++ = *p++;
9857 if(engineList[i]) free(engineList[i]);
9858 engineList[i] = strdup(buf);
9860 TidyProgramName(engineList[i], "localhost", buf);
9861 if(engineMnemonic[i]) free(engineMnemonic[i]);
9862 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9864 sscanf(q + 8, "%s", buf + strlen(buf));
9867 engineMnemonic[i] = strdup(buf);
9869 if(i > MAXENGINES - 2) break;
9871 engineList[i] = engineMnemonic[i] = NULL;
9874 // following implemented as macro to avoid type limitations
9875 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9877 void SwapEngines(int n)
9878 { // swap settings for first engine and other engine (so far only some selected options)
9883 SWAP(chessProgram, p)
9885 SWAP(hasOwnBookUCI, h)
9886 SWAP(protocolVersion, h)
9888 SWAP(scoreIsAbsolute, h)
9896 SetPlayer(int player)
9897 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9899 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9900 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9901 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9902 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9904 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9905 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9906 ParseArgsFromString(buf);
9912 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9913 { // determine players from game number
9914 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9916 if(appData.tourneyType == 0) {
9917 roundsPerCycle = (nPlayers - 1) | 1;
9918 pairingsPerRound = nPlayers / 2;
9919 } else if(appData.tourneyType > 0) {
9920 roundsPerCycle = nPlayers - appData.tourneyType;
9921 pairingsPerRound = appData.tourneyType;
9923 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9924 gamesPerCycle = gamesPerRound * roundsPerCycle;
9925 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9926 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9927 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9928 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9929 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9930 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9932 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9933 if(appData.roundSync) *syncInterval = gamesPerRound;
9935 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9937 if(appData.tourneyType == 0) {
9938 if(curPairing == (nPlayers-1)/2 ) {
9939 *whitePlayer = curRound;
9940 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9942 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9943 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9944 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9945 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9947 } else if(appData.tourneyType > 0) {
9948 *whitePlayer = curPairing;
9949 *blackPlayer = curRound + appData.tourneyType;
9952 // take care of white/black alternation per round.
9953 // For cycles and games this is already taken care of by default, derived from matchGame!
9954 return curRound & 1;
9958 NextTourneyGame(int nr, int *swapColors)
9959 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9961 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9963 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9964 tf = fopen(appData.tourneyFile, "r");
9965 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9966 ParseArgsFromFile(tf); fclose(tf);
9967 InitTimeControls(); // TC might be altered from tourney file
9969 nPlayers = CountPlayers(appData.participants); // count participants
9970 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
9971 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9974 p = q = appData.results;
9975 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9976 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9977 DisplayMessage(_("Waiting for other game(s)"),"");
9978 waitingForGame = TRUE;
9979 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9982 waitingForGame = FALSE;
9985 if(appData.tourneyType < 0) {
9986 if(nr>=0 && !pairingReceived) {
9988 if(pairing.pr == NoProc) {
9989 if(!appData.pairingEngine[0]) {
9990 DisplayFatalError(_("No pairing engine specified"), 0, 1);
9993 StartChessProgram(&pairing); // starts the pairing engine
9995 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
9996 SendToProgram(buf, &pairing);
9997 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
9998 SendToProgram(buf, &pairing);
9999 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10001 pairingReceived = 0; // ... so we continue here
10003 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10004 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10005 matchGame = 1; roundNr = nr / syncInterval + 1;
10008 if(first.pr != NoProc) return 1; // engines already loaded
10010 // redefine engines, engine dir, etc.
10011 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10012 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10014 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10015 SwapEngines(1); // and make that valid for second engine by swapping
10016 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10017 InitEngine(&second, 1);
10018 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10019 UpdateLogos(FALSE); // leave display to ModeHiglight()
10025 { // performs game initialization that does not invoke engines, and then tries to start the game
10026 int firstWhite, swapColors = 0;
10027 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10028 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10029 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10030 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10031 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10032 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10033 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10034 Reset(FALSE, first.pr != NoProc);
10035 appData.noChessProgram = FALSE;
10036 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
10037 TwoMachinesEvent();
10040 void UserAdjudicationEvent( int result )
10042 ChessMove gameResult = GameIsDrawn;
10045 gameResult = WhiteWins;
10047 else if( result < 0 ) {
10048 gameResult = BlackWins;
10051 if( gameMode == TwoMachinesPlay ) {
10052 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10057 // [HGM] save: calculate checksum of game to make games easily identifiable
10058 int StringCheckSum(char *s)
10061 if(s==NULL) return 0;
10062 while(*s) i = i*259 + *s++;
10069 for(i=backwardMostMove; i<forwardMostMove; i++) {
10070 sum += pvInfoList[i].depth;
10071 sum += StringCheckSum(parseList[i]);
10072 sum += StringCheckSum(commentList[i]);
10075 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10076 return sum + StringCheckSum(commentList[i]);
10077 } // end of save patch
10080 GameEnds(result, resultDetails, whosays)
10082 char *resultDetails;
10085 GameMode nextGameMode;
10087 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10089 if(endingGame) return; /* [HGM] crash: forbid recursion */
10091 if(twoBoards) { // [HGM] dual: switch back to one board
10092 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10093 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10095 if (appData.debugMode) {
10096 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10097 result, resultDetails ? resultDetails : "(null)", whosays);
10100 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10102 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10103 /* If we are playing on ICS, the server decides when the
10104 game is over, but the engine can offer to draw, claim
10108 if (appData.zippyPlay && first.initDone) {
10109 if (result == GameIsDrawn) {
10110 /* In case draw still needs to be claimed */
10111 SendToICS(ics_prefix);
10112 SendToICS("draw\n");
10113 } else if (StrCaseStr(resultDetails, "resign")) {
10114 SendToICS(ics_prefix);
10115 SendToICS("resign\n");
10119 endingGame = 0; /* [HGM] crash */
10123 /* If we're loading the game from a file, stop */
10124 if (whosays == GE_FILE) {
10125 (void) StopLoadGameTimer();
10129 /* Cancel draw offers */
10130 first.offeredDraw = second.offeredDraw = 0;
10132 /* If this is an ICS game, only ICS can really say it's done;
10133 if not, anyone can. */
10134 isIcsGame = (gameMode == IcsPlayingWhite ||
10135 gameMode == IcsPlayingBlack ||
10136 gameMode == IcsObserving ||
10137 gameMode == IcsExamining);
10139 if (!isIcsGame || whosays == GE_ICS) {
10140 /* OK -- not an ICS game, or ICS said it was done */
10142 if (!isIcsGame && !appData.noChessProgram)
10143 SetUserThinkingEnables();
10145 /* [HGM] if a machine claims the game end we verify this claim */
10146 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10147 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10149 ChessMove trueResult = (ChessMove) -1;
10151 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10152 first.twoMachinesColor[0] :
10153 second.twoMachinesColor[0] ;
10155 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10156 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10157 /* [HGM] verify: engine mate claims accepted if they were flagged */
10158 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10160 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10161 /* [HGM] verify: engine mate claims accepted if they were flagged */
10162 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10164 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10165 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10168 // now verify win claims, but not in drop games, as we don't understand those yet
10169 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10170 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10171 (result == WhiteWins && claimer == 'w' ||
10172 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10173 if (appData.debugMode) {
10174 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10175 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10177 if(result != trueResult) {
10178 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10179 result = claimer == 'w' ? BlackWins : WhiteWins;
10180 resultDetails = buf;
10183 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10184 && (forwardMostMove <= backwardMostMove ||
10185 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10186 (claimer=='b')==(forwardMostMove&1))
10188 /* [HGM] verify: draws that were not flagged are false claims */
10189 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10190 result = claimer == 'w' ? BlackWins : WhiteWins;
10191 resultDetails = buf;
10193 /* (Claiming a loss is accepted no questions asked!) */
10195 /* [HGM] bare: don't allow bare King to win */
10196 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10197 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10198 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10199 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10200 && result != GameIsDrawn)
10201 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10202 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10203 int p = (signed char)boards[forwardMostMove][i][j] - color;
10204 if(p >= 0 && p <= (int)WhiteKing) k++;
10206 if (appData.debugMode) {
10207 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10208 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10211 result = GameIsDrawn;
10212 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10213 resultDetails = buf;
10219 if(serverMoves != NULL && !loadFlag) { char c = '=';
10220 if(result==WhiteWins) c = '+';
10221 if(result==BlackWins) c = '-';
10222 if(resultDetails != NULL)
10223 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
10225 if (resultDetails != NULL) {
10226 gameInfo.result = result;
10227 gameInfo.resultDetails = StrSave(resultDetails);
10229 /* display last move only if game was not loaded from file */
10230 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10231 DisplayMove(currentMove - 1);
10233 if (forwardMostMove != 0) {
10234 if (gameMode != PlayFromGameFile && gameMode != EditGame
10235 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10237 if (*appData.saveGameFile != NULLCHAR) {
10238 SaveGameToFile(appData.saveGameFile, TRUE);
10239 } else if (appData.autoSaveGames) {
10242 if (*appData.savePositionFile != NULLCHAR) {
10243 SavePositionToFile(appData.savePositionFile);
10248 /* Tell program how game ended in case it is learning */
10249 /* [HGM] Moved this to after saving the PGN, just in case */
10250 /* engine died and we got here through time loss. In that */
10251 /* case we will get a fatal error writing the pipe, which */
10252 /* would otherwise lose us the PGN. */
10253 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10254 /* output during GameEnds should never be fatal anymore */
10255 if (gameMode == MachinePlaysWhite ||
10256 gameMode == MachinePlaysBlack ||
10257 gameMode == TwoMachinesPlay ||
10258 gameMode == IcsPlayingWhite ||
10259 gameMode == IcsPlayingBlack ||
10260 gameMode == BeginningOfGame) {
10262 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10264 if (first.pr != NoProc) {
10265 SendToProgram(buf, &first);
10267 if (second.pr != NoProc &&
10268 gameMode == TwoMachinesPlay) {
10269 SendToProgram(buf, &second);
10274 if (appData.icsActive) {
10275 if (appData.quietPlay &&
10276 (gameMode == IcsPlayingWhite ||
10277 gameMode == IcsPlayingBlack)) {
10278 SendToICS(ics_prefix);
10279 SendToICS("set shout 1\n");
10281 nextGameMode = IcsIdle;
10282 ics_user_moved = FALSE;
10283 /* clean up premove. It's ugly when the game has ended and the
10284 * premove highlights are still on the board.
10287 gotPremove = FALSE;
10288 ClearPremoveHighlights();
10289 DrawPosition(FALSE, boards[currentMove]);
10291 if (whosays == GE_ICS) {
10294 if (gameMode == IcsPlayingWhite)
10296 else if(gameMode == IcsPlayingBlack)
10297 PlayIcsLossSound();
10300 if (gameMode == IcsPlayingBlack)
10302 else if(gameMode == IcsPlayingWhite)
10303 PlayIcsLossSound();
10306 PlayIcsDrawSound();
10309 PlayIcsUnfinishedSound();
10312 } else if (gameMode == EditGame ||
10313 gameMode == PlayFromGameFile ||
10314 gameMode == AnalyzeMode ||
10315 gameMode == AnalyzeFile) {
10316 nextGameMode = gameMode;
10318 nextGameMode = EndOfGame;
10323 nextGameMode = gameMode;
10326 if (appData.noChessProgram) {
10327 gameMode = nextGameMode;
10329 endingGame = 0; /* [HGM] crash */
10334 /* Put first chess program into idle state */
10335 if (first.pr != NoProc &&
10336 (gameMode == MachinePlaysWhite ||
10337 gameMode == MachinePlaysBlack ||
10338 gameMode == TwoMachinesPlay ||
10339 gameMode == IcsPlayingWhite ||
10340 gameMode == IcsPlayingBlack ||
10341 gameMode == BeginningOfGame)) {
10342 SendToProgram("force\n", &first);
10343 if (first.usePing) {
10345 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10346 SendToProgram(buf, &first);
10349 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10350 /* Kill off first chess program */
10351 if (first.isr != NULL)
10352 RemoveInputSource(first.isr);
10355 if (first.pr != NoProc) {
10357 DoSleep( appData.delayBeforeQuit );
10358 SendToProgram("quit\n", &first);
10359 DoSleep( appData.delayAfterQuit );
10360 DestroyChildProcess(first.pr, first.useSigterm);
10364 if (second.reuse) {
10365 /* Put second chess program into idle state */
10366 if (second.pr != NoProc &&
10367 gameMode == TwoMachinesPlay) {
10368 SendToProgram("force\n", &second);
10369 if (second.usePing) {
10371 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10372 SendToProgram(buf, &second);
10375 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10376 /* Kill off second chess program */
10377 if (second.isr != NULL)
10378 RemoveInputSource(second.isr);
10381 if (second.pr != NoProc) {
10382 DoSleep( appData.delayBeforeQuit );
10383 SendToProgram("quit\n", &second);
10384 DoSleep( appData.delayAfterQuit );
10385 DestroyChildProcess(second.pr, second.useSigterm);
10387 second.pr = NoProc;
10390 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10391 char resChar = '=';
10395 if (first.twoMachinesColor[0] == 'w') {
10398 second.matchWins++;
10403 if (first.twoMachinesColor[0] == 'b') {
10406 second.matchWins++;
10409 case GameUnfinished:
10415 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10416 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10417 ReserveGame(nextGame, resChar); // sets nextGame
10418 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10419 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10420 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10422 if (nextGame <= appData.matchGames && !abortMatch) {
10423 gameMode = nextGameMode;
10424 matchGame = nextGame; // this will be overruled in tourney mode!
10425 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10426 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10427 endingGame = 0; /* [HGM] crash */
10430 gameMode = nextGameMode;
10431 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10432 first.tidy, second.tidy,
10433 first.matchWins, second.matchWins,
10434 appData.matchGames - (first.matchWins + second.matchWins));
10435 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10436 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10437 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10438 first.twoMachinesColor = "black\n";
10439 second.twoMachinesColor = "white\n";
10441 first.twoMachinesColor = "white\n";
10442 second.twoMachinesColor = "black\n";
10446 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10447 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10449 gameMode = nextGameMode;
10451 endingGame = 0; /* [HGM] crash */
10452 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10453 if(matchMode == TRUE) { // match through command line: exit with or without popup
10455 ToNrEvent(forwardMostMove);
10456 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10458 } else DisplayFatalError(buf, 0, 0);
10459 } else { // match through menu; just stop, with or without popup
10460 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10463 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10464 } else DisplayNote(buf);
10466 if(ranking) free(ranking);
10470 /* Assumes program was just initialized (initString sent).
10471 Leaves program in force mode. */
10473 FeedMovesToProgram(cps, upto)
10474 ChessProgramState *cps;
10479 if (appData.debugMode)
10480 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10481 startedFromSetupPosition ? "position and " : "",
10482 backwardMostMove, upto, cps->which);
10483 if(currentlyInitializedVariant != gameInfo.variant) {
10485 // [HGM] variantswitch: make engine aware of new variant
10486 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10487 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10488 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10489 SendToProgram(buf, cps);
10490 currentlyInitializedVariant = gameInfo.variant;
10492 SendToProgram("force\n", cps);
10493 if (startedFromSetupPosition) {
10494 SendBoard(cps, backwardMostMove);
10495 if (appData.debugMode) {
10496 fprintf(debugFP, "feedMoves\n");
10499 for (i = backwardMostMove; i < upto; i++) {
10500 SendMoveToProgram(i, cps);
10506 ResurrectChessProgram()
10508 /* The chess program may have exited.
10509 If so, restart it and feed it all the moves made so far. */
10510 static int doInit = 0;
10512 if (appData.noChessProgram) return 1;
10514 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10515 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10516 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10517 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10519 if (first.pr != NoProc) return 1;
10520 StartChessProgram(&first);
10522 InitChessProgram(&first, FALSE);
10523 FeedMovesToProgram(&first, currentMove);
10525 if (!first.sendTime) {
10526 /* can't tell gnuchess what its clock should read,
10527 so we bow to its notion. */
10529 timeRemaining[0][currentMove] = whiteTimeRemaining;
10530 timeRemaining[1][currentMove] = blackTimeRemaining;
10533 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10534 appData.icsEngineAnalyze) && first.analysisSupport) {
10535 SendToProgram("analyze\n", &first);
10536 first.analyzing = TRUE;
10542 * Button procedures
10545 Reset(redraw, init)
10550 if (appData.debugMode) {
10551 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10552 redraw, init, gameMode);
10554 CleanupTail(); // [HGM] vari: delete any stored variations
10555 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10556 pausing = pauseExamInvalid = FALSE;
10557 startedFromSetupPosition = blackPlaysFirst = FALSE;
10559 whiteFlag = blackFlag = FALSE;
10560 userOfferedDraw = FALSE;
10561 hintRequested = bookRequested = FALSE;
10562 first.maybeThinking = FALSE;
10563 second.maybeThinking = FALSE;
10564 first.bookSuspend = FALSE; // [HGM] book
10565 second.bookSuspend = FALSE;
10566 thinkOutput[0] = NULLCHAR;
10567 lastHint[0] = NULLCHAR;
10568 ClearGameInfo(&gameInfo);
10569 gameInfo.variant = StringToVariant(appData.variant);
10570 ics_user_moved = ics_clock_paused = FALSE;
10571 ics_getting_history = H_FALSE;
10573 white_holding[0] = black_holding[0] = NULLCHAR;
10574 ClearProgramStats();
10575 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10579 flipView = appData.flipView;
10580 ClearPremoveHighlights();
10581 gotPremove = FALSE;
10582 alarmSounded = FALSE;
10584 GameEnds(EndOfFile, NULL, GE_PLAYER);
10585 if(appData.serverMovesName != NULL) {
10586 /* [HGM] prepare to make moves file for broadcasting */
10587 clock_t t = clock();
10588 if(serverMoves != NULL) fclose(serverMoves);
10589 serverMoves = fopen(appData.serverMovesName, "r");
10590 if(serverMoves != NULL) {
10591 fclose(serverMoves);
10592 /* delay 15 sec before overwriting, so all clients can see end */
10593 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10595 serverMoves = fopen(appData.serverMovesName, "w");
10599 gameMode = BeginningOfGame;
10601 if(appData.icsActive) gameInfo.variant = VariantNormal;
10602 currentMove = forwardMostMove = backwardMostMove = 0;
10603 InitPosition(redraw);
10604 for (i = 0; i < MAX_MOVES; i++) {
10605 if (commentList[i] != NULL) {
10606 free(commentList[i]);
10607 commentList[i] = NULL;
10611 timeRemaining[0][0] = whiteTimeRemaining;
10612 timeRemaining[1][0] = blackTimeRemaining;
10614 if (first.pr == NULL) {
10615 StartChessProgram(&first);
10618 InitChessProgram(&first, startedFromSetupPosition);
10621 DisplayMessage("", "");
10622 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10623 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10630 if (!AutoPlayOneMove())
10632 if (matchMode || appData.timeDelay == 0)
10634 if (appData.timeDelay < 0)
10636 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10645 int fromX, fromY, toX, toY;
10647 if (appData.debugMode) {
10648 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10651 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10654 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10655 pvInfoList[currentMove].depth = programStats.depth;
10656 pvInfoList[currentMove].score = programStats.score;
10657 pvInfoList[currentMove].time = 0;
10658 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10661 if (currentMove >= forwardMostMove) {
10662 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10663 // gameMode = EndOfGame;
10664 // ModeHighlight();
10666 /* [AS] Clear current move marker at the end of a game */
10667 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10672 toX = moveList[currentMove][2] - AAA;
10673 toY = moveList[currentMove][3] - ONE;
10675 if (moveList[currentMove][1] == '@') {
10676 if (appData.highlightLastMove) {
10677 SetHighlights(-1, -1, toX, toY);
10680 fromX = moveList[currentMove][0] - AAA;
10681 fromY = moveList[currentMove][1] - ONE;
10683 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10685 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10687 if (appData.highlightLastMove) {
10688 SetHighlights(fromX, fromY, toX, toY);
10691 DisplayMove(currentMove);
10692 SendMoveToProgram(currentMove++, &first);
10693 DisplayBothClocks();
10694 DrawPosition(FALSE, boards[currentMove]);
10695 // [HGM] PV info: always display, routine tests if empty
10696 DisplayComment(currentMove - 1, commentList[currentMove]);
10702 LoadGameOneMove(readAhead)
10703 ChessMove readAhead;
10705 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10706 char promoChar = NULLCHAR;
10707 ChessMove moveType;
10708 char move[MSG_SIZ];
10711 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10712 gameMode != AnalyzeMode && gameMode != Training) {
10717 yyboardindex = forwardMostMove;
10718 if (readAhead != EndOfFile) {
10719 moveType = readAhead;
10721 if (gameFileFP == NULL)
10723 moveType = (ChessMove) Myylex();
10727 switch (moveType) {
10729 if (appData.debugMode)
10730 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10733 /* append the comment but don't display it */
10734 AppendComment(currentMove, p, FALSE);
10737 case WhiteCapturesEnPassant:
10738 case BlackCapturesEnPassant:
10739 case WhitePromotion:
10740 case BlackPromotion:
10741 case WhiteNonPromotion:
10742 case BlackNonPromotion:
10744 case WhiteKingSideCastle:
10745 case WhiteQueenSideCastle:
10746 case BlackKingSideCastle:
10747 case BlackQueenSideCastle:
10748 case WhiteKingSideCastleWild:
10749 case WhiteQueenSideCastleWild:
10750 case BlackKingSideCastleWild:
10751 case BlackQueenSideCastleWild:
10753 case WhiteHSideCastleFR:
10754 case WhiteASideCastleFR:
10755 case BlackHSideCastleFR:
10756 case BlackASideCastleFR:
10758 if (appData.debugMode)
10759 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10760 fromX = currentMoveString[0] - AAA;
10761 fromY = currentMoveString[1] - ONE;
10762 toX = currentMoveString[2] - AAA;
10763 toY = currentMoveString[3] - ONE;
10764 promoChar = currentMoveString[4];
10769 if (appData.debugMode)
10770 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10771 fromX = moveType == WhiteDrop ?
10772 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10773 (int) CharToPiece(ToLower(currentMoveString[0]));
10775 toX = currentMoveString[2] - AAA;
10776 toY = currentMoveString[3] - ONE;
10782 case GameUnfinished:
10783 if (appData.debugMode)
10784 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10785 p = strchr(yy_text, '{');
10786 if (p == NULL) p = strchr(yy_text, '(');
10789 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10791 q = strchr(p, *p == '{' ? '}' : ')');
10792 if (q != NULL) *q = NULLCHAR;
10795 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10796 GameEnds(moveType, p, GE_FILE);
10798 if (cmailMsgLoaded) {
10800 flipView = WhiteOnMove(currentMove);
10801 if (moveType == GameUnfinished) flipView = !flipView;
10802 if (appData.debugMode)
10803 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10808 if (appData.debugMode)
10809 fprintf(debugFP, "Parser hit end of file\n");
10810 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10816 if (WhiteOnMove(currentMove)) {
10817 GameEnds(BlackWins, "Black mates", GE_FILE);
10819 GameEnds(WhiteWins, "White mates", GE_FILE);
10823 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10829 case MoveNumberOne:
10830 if (lastLoadGameStart == GNUChessGame) {
10831 /* GNUChessGames have numbers, but they aren't move numbers */
10832 if (appData.debugMode)
10833 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10834 yy_text, (int) moveType);
10835 return LoadGameOneMove(EndOfFile); /* tail recursion */
10837 /* else fall thru */
10842 /* Reached start of next game in file */
10843 if (appData.debugMode)
10844 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10845 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10851 if (WhiteOnMove(currentMove)) {
10852 GameEnds(BlackWins, "Black mates", GE_FILE);
10854 GameEnds(WhiteWins, "White mates", GE_FILE);
10858 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10864 case PositionDiagram: /* should not happen; ignore */
10865 case ElapsedTime: /* ignore */
10866 case NAG: /* ignore */
10867 if (appData.debugMode)
10868 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10869 yy_text, (int) moveType);
10870 return LoadGameOneMove(EndOfFile); /* tail recursion */
10873 if (appData.testLegality) {
10874 if (appData.debugMode)
10875 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10876 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10877 (forwardMostMove / 2) + 1,
10878 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10879 DisplayError(move, 0);
10882 if (appData.debugMode)
10883 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10884 yy_text, currentMoveString);
10885 fromX = currentMoveString[0] - AAA;
10886 fromY = currentMoveString[1] - ONE;
10887 toX = currentMoveString[2] - AAA;
10888 toY = currentMoveString[3] - ONE;
10889 promoChar = currentMoveString[4];
10893 case AmbiguousMove:
10894 if (appData.debugMode)
10895 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10896 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10897 (forwardMostMove / 2) + 1,
10898 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10899 DisplayError(move, 0);
10904 case ImpossibleMove:
10905 if (appData.debugMode)
10906 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10907 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10908 (forwardMostMove / 2) + 1,
10909 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10910 DisplayError(move, 0);
10916 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10917 DrawPosition(FALSE, boards[currentMove]);
10918 DisplayBothClocks();
10919 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10920 DisplayComment(currentMove - 1, commentList[currentMove]);
10922 (void) StopLoadGameTimer();
10924 cmailOldMove = forwardMostMove;
10927 /* currentMoveString is set as a side-effect of yylex */
10929 thinkOutput[0] = NULLCHAR;
10930 MakeMove(fromX, fromY, toX, toY, promoChar);
10931 currentMove = forwardMostMove;
10936 /* Load the nth game from the given file */
10938 LoadGameFromFile(filename, n, title, useList)
10942 /*Boolean*/ int useList;
10947 if (strcmp(filename, "-") == 0) {
10951 f = fopen(filename, "rb");
10953 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10954 DisplayError(buf, errno);
10958 if (fseek(f, 0, 0) == -1) {
10959 /* f is not seekable; probably a pipe */
10962 if (useList && n == 0) {
10963 int error = GameListBuild(f);
10965 DisplayError(_("Cannot build game list"), error);
10966 } else if (!ListEmpty(&gameList) &&
10967 ((ListGame *) gameList.tailPred)->number > 1) {
10968 GameListPopUp(f, title);
10975 return LoadGame(f, n, title, FALSE);
10980 MakeRegisteredMove()
10982 int fromX, fromY, toX, toY;
10984 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10985 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10988 if (appData.debugMode)
10989 fprintf(debugFP, "Restoring %s for game %d\n",
10990 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10992 thinkOutput[0] = NULLCHAR;
10993 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10994 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10995 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10996 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10997 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10998 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10999 MakeMove(fromX, fromY, toX, toY, promoChar);
11000 ShowMove(fromX, fromY, toX, toY);
11002 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11009 if (WhiteOnMove(currentMove)) {
11010 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11012 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11017 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11024 if (WhiteOnMove(currentMove)) {
11025 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11027 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11032 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11043 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11045 CmailLoadGame(f, gameNumber, title, useList)
11053 if (gameNumber > nCmailGames) {
11054 DisplayError(_("No more games in this message"), 0);
11057 if (f == lastLoadGameFP) {
11058 int offset = gameNumber - lastLoadGameNumber;
11060 cmailMsg[0] = NULLCHAR;
11061 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11062 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11063 nCmailMovesRegistered--;
11065 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11066 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11067 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11070 if (! RegisterMove()) return FALSE;
11074 retVal = LoadGame(f, gameNumber, title, useList);
11076 /* Make move registered during previous look at this game, if any */
11077 MakeRegisteredMove();
11079 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11080 commentList[currentMove]
11081 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11082 DisplayComment(currentMove - 1, commentList[currentMove]);
11088 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11093 int gameNumber = lastLoadGameNumber + offset;
11094 if (lastLoadGameFP == NULL) {
11095 DisplayError(_("No game has been loaded yet"), 0);
11098 if (gameNumber <= 0) {
11099 DisplayError(_("Can't back up any further"), 0);
11102 if (cmailMsgLoaded) {
11103 return CmailLoadGame(lastLoadGameFP, gameNumber,
11104 lastLoadGameTitle, lastLoadGameUseList);
11106 return LoadGame(lastLoadGameFP, gameNumber,
11107 lastLoadGameTitle, lastLoadGameUseList);
11111 int keys[EmptySquare+1];
11114 PositionMatches(Board b1, Board b2)
11117 switch(appData.searchMode) {
11118 case 1: return CompareWithRights(b1, b2);
11120 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11121 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11125 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11126 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11127 sum += keys[b1[r][f]] - keys[b2[r][f]];
11131 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11132 sum += keys[b1[r][f]] - keys[b2[r][f]];
11139 GameInfo dummyInfo;
11141 int GameContainsPosition(FILE *f, ListGame *lg)
11143 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11144 int fromX, fromY, toX, toY;
11146 static int initDone=FALSE;
11149 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11152 dummyInfo.variant = VariantNormal;
11153 FREE(dummyInfo.fen); dummyInfo.fen = NULL;
11154 dummyInfo.whiteRating = 0;
11155 dummyInfo.blackRating = 0;
11156 FREE(dummyInfo.date); dummyInfo.date = NULL;
11157 fseek(f, lg->offset, 0);
11159 CopyBoard(boards[scratch], initialPosition); // default start position
11161 yyboardindex = scratch + (plyNr&1);
11167 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11169 ParsePGNTag(yy_text, &dummyInfo); // this has a bad memory leak...
11170 if(dummyInfo.fen) ParseFEN(boards[scratch], &btm, dummyInfo.fen), free(dummyInfo.fen), dummyInfo.fen = NULL;
11172 // do it ourselves avoiding malloc
11173 { char *p = yy_text+1, *q;
11174 while(!isdigit(*p) && !isalpha(*p)) p++;
11175 q = p; while(*p != ' ' && *p != '\t' && *p != '\n') p++;
11177 if(!StrCaseCmp(q, "Date") && (p = strchr(p+1, '"'))) { if(atoi(p+1) < appData.dateThreshold) return -1; } else
11178 if(!StrCaseCmp(q, "Variant") && (p = strchr(p+1, '"'))) dummyInfo.variant = StringToVariant(p+1); else
11179 if(!StrCaseCmp(q, "WhiteElo") && (p = strchr(p+1, '"'))) dummyInfo.whiteRating = atoi(p+1); else
11180 if(!StrCaseCmp(q, "BlackElo") && (p = strchr(p+1, '"'))) dummyInfo.blackRating = atoi(p+1); else
11181 if(!StrCaseCmp(q, "WhiteUSCF") && (p = strchr(p+1, '"'))) dummyInfo.whiteRating = atoi(p+1); else
11182 if(!StrCaseCmp(q, "BlackUSCF") && (p = strchr(p+1, '"'))) dummyInfo.blackRating = atoi(p+1); else
11183 if(!StrCaseCmp(q, "FEN") && (p = strchr(p+1, '"'))) ParseFEN(boards[scratch], &btm, p+1);
11191 if(plyNr) return -1; // after we have seen moves, this is for new game
11194 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11195 case ImpossibleMove:
11196 case WhiteWins: // game ends here with these four
11199 case GameUnfinished:
11203 if(appData.testLegality) return -1;
11204 case WhiteCapturesEnPassant:
11205 case BlackCapturesEnPassant:
11206 case WhitePromotion:
11207 case BlackPromotion:
11208 case WhiteNonPromotion:
11209 case BlackNonPromotion:
11211 case WhiteKingSideCastle:
11212 case WhiteQueenSideCastle:
11213 case BlackKingSideCastle:
11214 case BlackQueenSideCastle:
11215 case WhiteKingSideCastleWild:
11216 case WhiteQueenSideCastleWild:
11217 case BlackKingSideCastleWild:
11218 case BlackQueenSideCastleWild:
11219 case WhiteHSideCastleFR:
11220 case WhiteASideCastleFR:
11221 case BlackHSideCastleFR:
11222 case BlackASideCastleFR:
11223 fromX = currentMoveString[0] - AAA;
11224 fromY = currentMoveString[1] - ONE;
11225 toX = currentMoveString[2] - AAA;
11226 toY = currentMoveString[3] - ONE;
11227 promoChar = currentMoveString[4];
11231 fromX = next == WhiteDrop ?
11232 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11233 (int) CharToPiece(ToLower(currentMoveString[0]));
11235 toX = currentMoveString[2] - AAA;
11236 toY = currentMoveString[3] - ONE;
11239 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11240 if(plyNr == 0) { // but first figure out variant and initial position
11241 if(dummyInfo.variant != gameInfo.variant) return -1; // wrong variant
11242 if(appData.eloThreshold1 && (dummyInfo.whiteRating < appData.eloThreshold1 && dummyInfo.blackRating < appData.eloThreshold1)) return -1;
11243 if(appData.eloThreshold2 && (dummyInfo.whiteRating < appData.eloThreshold2 || dummyInfo.blackRating < appData.eloThreshold2)) return -1;
11244 if(appData.dateThreshold && (!dummyInfo.date || atoi(dummyInfo.date) < appData.dateThreshold)) return -1;
11245 if(btm) CopyBoard(boards[scratch+1], boards[scratch]), plyNr++;
11246 if(PositionMatches(boards[scratch + plyNr], boards[currentMove])) return plyNr;
11248 CopyBoard(boards[scratch + (plyNr+1&1)], boards[scratch + (plyNr&1)]);
11250 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch + (plyNr&1)]);
11251 if(PositionMatches(boards[scratch + (plyNr&1)], boards[currentMove])) return plyNr;
11255 /* Load the nth game from open file f */
11257 LoadGame(f, gameNumber, title, useList)
11265 int gn = gameNumber;
11266 ListGame *lg = NULL;
11267 int numPGNTags = 0;
11269 GameMode oldGameMode;
11270 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11272 if (appData.debugMode)
11273 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11275 if (gameMode == Training )
11276 SetTrainingModeOff();
11278 oldGameMode = gameMode;
11279 if (gameMode != BeginningOfGame) {
11280 Reset(FALSE, TRUE);
11284 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11285 fclose(lastLoadGameFP);
11289 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11292 fseek(f, lg->offset, 0);
11293 GameListHighlight(gameNumber);
11294 pos = lg->position;
11298 DisplayError(_("Game number out of range"), 0);
11303 if (fseek(f, 0, 0) == -1) {
11304 if (f == lastLoadGameFP ?
11305 gameNumber == lastLoadGameNumber + 1 :
11309 DisplayError(_("Can't seek on game file"), 0);
11314 lastLoadGameFP = f;
11315 lastLoadGameNumber = gameNumber;
11316 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11317 lastLoadGameUseList = useList;
11321 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11322 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11323 lg->gameInfo.black);
11325 } else if (*title != NULLCHAR) {
11326 if (gameNumber > 1) {
11327 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11330 DisplayTitle(title);
11334 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11335 gameMode = PlayFromGameFile;
11339 currentMove = forwardMostMove = backwardMostMove = 0;
11340 CopyBoard(boards[0], initialPosition);
11344 * Skip the first gn-1 games in the file.
11345 * Also skip over anything that precedes an identifiable
11346 * start of game marker, to avoid being confused by
11347 * garbage at the start of the file. Currently
11348 * recognized start of game markers are the move number "1",
11349 * the pattern "gnuchess .* game", the pattern
11350 * "^[#;%] [^ ]* game file", and a PGN tag block.
11351 * A game that starts with one of the latter two patterns
11352 * will also have a move number 1, possibly
11353 * following a position diagram.
11354 * 5-4-02: Let's try being more lenient and allowing a game to
11355 * start with an unnumbered move. Does that break anything?
11357 cm = lastLoadGameStart = EndOfFile;
11359 yyboardindex = forwardMostMove;
11360 cm = (ChessMove) Myylex();
11363 if (cmailMsgLoaded) {
11364 nCmailGames = CMAIL_MAX_GAMES - gn;
11367 DisplayError(_("Game not found in file"), 0);
11374 lastLoadGameStart = cm;
11377 case MoveNumberOne:
11378 switch (lastLoadGameStart) {
11383 case MoveNumberOne:
11385 gn--; /* count this game */
11386 lastLoadGameStart = cm;
11395 switch (lastLoadGameStart) {
11398 case MoveNumberOne:
11400 gn--; /* count this game */
11401 lastLoadGameStart = cm;
11404 lastLoadGameStart = cm; /* game counted already */
11412 yyboardindex = forwardMostMove;
11413 cm = (ChessMove) Myylex();
11414 } while (cm == PGNTag || cm == Comment);
11421 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11422 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11423 != CMAIL_OLD_RESULT) {
11425 cmailResult[ CMAIL_MAX_GAMES
11426 - gn - 1] = CMAIL_OLD_RESULT;
11432 /* Only a NormalMove can be at the start of a game
11433 * without a position diagram. */
11434 if (lastLoadGameStart == EndOfFile ) {
11436 lastLoadGameStart = MoveNumberOne;
11445 if (appData.debugMode)
11446 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11448 if (cm == XBoardGame) {
11449 /* Skip any header junk before position diagram and/or move 1 */
11451 yyboardindex = forwardMostMove;
11452 cm = (ChessMove) Myylex();
11454 if (cm == EndOfFile ||
11455 cm == GNUChessGame || cm == XBoardGame) {
11456 /* Empty game; pretend end-of-file and handle later */
11461 if (cm == MoveNumberOne || cm == PositionDiagram ||
11462 cm == PGNTag || cm == Comment)
11465 } else if (cm == GNUChessGame) {
11466 if (gameInfo.event != NULL) {
11467 free(gameInfo.event);
11469 gameInfo.event = StrSave(yy_text);
11472 startedFromSetupPosition = FALSE;
11473 while (cm == PGNTag) {
11474 if (appData.debugMode)
11475 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11476 err = ParsePGNTag(yy_text, &gameInfo);
11477 if (!err) numPGNTags++;
11479 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11480 if(gameInfo.variant != oldVariant) {
11481 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11482 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11483 InitPosition(TRUE);
11484 oldVariant = gameInfo.variant;
11485 if (appData.debugMode)
11486 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11490 if (gameInfo.fen != NULL) {
11491 Board initial_position;
11492 startedFromSetupPosition = TRUE;
11493 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11495 DisplayError(_("Bad FEN position in file"), 0);
11498 CopyBoard(boards[0], initial_position);
11499 if (blackPlaysFirst) {
11500 currentMove = forwardMostMove = backwardMostMove = 1;
11501 CopyBoard(boards[1], initial_position);
11502 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11503 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11504 timeRemaining[0][1] = whiteTimeRemaining;
11505 timeRemaining[1][1] = blackTimeRemaining;
11506 if (commentList[0] != NULL) {
11507 commentList[1] = commentList[0];
11508 commentList[0] = NULL;
11511 currentMove = forwardMostMove = backwardMostMove = 0;
11513 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11515 initialRulePlies = FENrulePlies;
11516 for( i=0; i< nrCastlingRights; i++ )
11517 initialRights[i] = initial_position[CASTLING][i];
11519 yyboardindex = forwardMostMove;
11520 free(gameInfo.fen);
11521 gameInfo.fen = NULL;
11524 yyboardindex = forwardMostMove;
11525 cm = (ChessMove) Myylex();
11527 /* Handle comments interspersed among the tags */
11528 while (cm == Comment) {
11530 if (appData.debugMode)
11531 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11533 AppendComment(currentMove, p, FALSE);
11534 yyboardindex = forwardMostMove;
11535 cm = (ChessMove) Myylex();
11539 /* don't rely on existence of Event tag since if game was
11540 * pasted from clipboard the Event tag may not exist
11542 if (numPGNTags > 0){
11544 if (gameInfo.variant == VariantNormal) {
11545 VariantClass v = StringToVariant(gameInfo.event);
11546 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11547 if(v < VariantShogi) gameInfo.variant = v;
11550 if( appData.autoDisplayTags ) {
11551 tags = PGNTags(&gameInfo);
11552 TagsPopUp(tags, CmailMsg());
11557 /* Make something up, but don't display it now */
11562 if (cm == PositionDiagram) {
11565 Board initial_position;
11567 if (appData.debugMode)
11568 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11570 if (!startedFromSetupPosition) {
11572 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11573 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11584 initial_position[i][j++] = CharToPiece(*p);
11587 while (*p == ' ' || *p == '\t' ||
11588 *p == '\n' || *p == '\r') p++;
11590 if (strncmp(p, "black", strlen("black"))==0)
11591 blackPlaysFirst = TRUE;
11593 blackPlaysFirst = FALSE;
11594 startedFromSetupPosition = TRUE;
11596 CopyBoard(boards[0], initial_position);
11597 if (blackPlaysFirst) {
11598 currentMove = forwardMostMove = backwardMostMove = 1;
11599 CopyBoard(boards[1], initial_position);
11600 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11601 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11602 timeRemaining[0][1] = whiteTimeRemaining;
11603 timeRemaining[1][1] = blackTimeRemaining;
11604 if (commentList[0] != NULL) {
11605 commentList[1] = commentList[0];
11606 commentList[0] = NULL;
11609 currentMove = forwardMostMove = backwardMostMove = 0;
11612 yyboardindex = forwardMostMove;
11613 cm = (ChessMove) Myylex();
11616 if (first.pr == NoProc) {
11617 StartChessProgram(&first);
11619 InitChessProgram(&first, FALSE);
11620 SendToProgram("force\n", &first);
11621 if (startedFromSetupPosition) {
11622 SendBoard(&first, forwardMostMove);
11623 if (appData.debugMode) {
11624 fprintf(debugFP, "Load Game\n");
11626 DisplayBothClocks();
11629 /* [HGM] server: flag to write setup moves in broadcast file as one */
11630 loadFlag = appData.suppressLoadMoves;
11632 while (cm == Comment) {
11634 if (appData.debugMode)
11635 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11637 AppendComment(currentMove, p, FALSE);
11638 yyboardindex = forwardMostMove;
11639 cm = (ChessMove) Myylex();
11642 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11643 cm == WhiteWins || cm == BlackWins ||
11644 cm == GameIsDrawn || cm == GameUnfinished) {
11645 DisplayMessage("", _("No moves in game"));
11646 if (cmailMsgLoaded) {
11647 if (appData.debugMode)
11648 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11652 DrawPosition(FALSE, boards[currentMove]);
11653 DisplayBothClocks();
11654 gameMode = EditGame;
11661 // [HGM] PV info: routine tests if comment empty
11662 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11663 DisplayComment(currentMove - 1, commentList[currentMove]);
11665 if (!matchMode && appData.timeDelay != 0)
11666 DrawPosition(FALSE, boards[currentMove]);
11668 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11669 programStats.ok_to_send = 1;
11672 /* if the first token after the PGN tags is a move
11673 * and not move number 1, retrieve it from the parser
11675 if (cm != MoveNumberOne)
11676 LoadGameOneMove(cm);
11678 /* load the remaining moves from the file */
11679 while (LoadGameOneMove(EndOfFile)) {
11680 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11681 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11684 /* rewind to the start of the game */
11685 currentMove = backwardMostMove;
11687 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11689 if (oldGameMode == AnalyzeFile ||
11690 oldGameMode == AnalyzeMode) {
11691 AnalyzeFileEvent();
11694 if (!matchMode && pos >= 0) {
11695 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11697 if (matchMode || appData.timeDelay == 0) {
11699 } else if (appData.timeDelay > 0) {
11700 AutoPlayGameLoop();
11703 if (appData.debugMode)
11704 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11706 loadFlag = 0; /* [HGM] true game starts */
11710 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11712 ReloadPosition(offset)
11715 int positionNumber = lastLoadPositionNumber + offset;
11716 if (lastLoadPositionFP == NULL) {
11717 DisplayError(_("No position has been loaded yet"), 0);
11720 if (positionNumber <= 0) {
11721 DisplayError(_("Can't back up any further"), 0);
11724 return LoadPosition(lastLoadPositionFP, positionNumber,
11725 lastLoadPositionTitle);
11728 /* Load the nth position from the given file */
11730 LoadPositionFromFile(filename, n, title)
11738 if (strcmp(filename, "-") == 0) {
11739 return LoadPosition(stdin, n, "stdin");
11741 f = fopen(filename, "rb");
11743 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11744 DisplayError(buf, errno);
11747 return LoadPosition(f, n, title);
11752 /* Load the nth position from the given open file, and close it */
11754 LoadPosition(f, positionNumber, title)
11756 int positionNumber;
11759 char *p, line[MSG_SIZ];
11760 Board initial_position;
11761 int i, j, fenMode, pn;
11763 if (gameMode == Training )
11764 SetTrainingModeOff();
11766 if (gameMode != BeginningOfGame) {
11767 Reset(FALSE, TRUE);
11769 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11770 fclose(lastLoadPositionFP);
11772 if (positionNumber == 0) positionNumber = 1;
11773 lastLoadPositionFP = f;
11774 lastLoadPositionNumber = positionNumber;
11775 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11776 if (first.pr == NoProc) {
11777 StartChessProgram(&first);
11778 InitChessProgram(&first, FALSE);
11780 pn = positionNumber;
11781 if (positionNumber < 0) {
11782 /* Negative position number means to seek to that byte offset */
11783 if (fseek(f, -positionNumber, 0) == -1) {
11784 DisplayError(_("Can't seek on position file"), 0);
11789 if (fseek(f, 0, 0) == -1) {
11790 if (f == lastLoadPositionFP ?
11791 positionNumber == lastLoadPositionNumber + 1 :
11792 positionNumber == 1) {
11795 DisplayError(_("Can't seek on position file"), 0);
11800 /* See if this file is FEN or old-style xboard */
11801 if (fgets(line, MSG_SIZ, f) == NULL) {
11802 DisplayError(_("Position not found in file"), 0);
11805 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11806 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11809 if (fenMode || line[0] == '#') pn--;
11811 /* skip positions before number pn */
11812 if (fgets(line, MSG_SIZ, f) == NULL) {
11814 DisplayError(_("Position not found in file"), 0);
11817 if (fenMode || line[0] == '#') pn--;
11822 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11823 DisplayError(_("Bad FEN position in file"), 0);
11827 (void) fgets(line, MSG_SIZ, f);
11828 (void) fgets(line, MSG_SIZ, f);
11830 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11831 (void) fgets(line, MSG_SIZ, f);
11832 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11835 initial_position[i][j++] = CharToPiece(*p);
11839 blackPlaysFirst = FALSE;
11841 (void) fgets(line, MSG_SIZ, f);
11842 if (strncmp(line, "black", strlen("black"))==0)
11843 blackPlaysFirst = TRUE;
11846 startedFromSetupPosition = TRUE;
11848 SendToProgram("force\n", &first);
11849 CopyBoard(boards[0], initial_position);
11850 if (blackPlaysFirst) {
11851 currentMove = forwardMostMove = backwardMostMove = 1;
11852 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11853 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11854 CopyBoard(boards[1], initial_position);
11855 DisplayMessage("", _("Black to play"));
11857 currentMove = forwardMostMove = backwardMostMove = 0;
11858 DisplayMessage("", _("White to play"));
11860 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11861 SendBoard(&first, forwardMostMove);
11862 if (appData.debugMode) {
11864 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11865 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11866 fprintf(debugFP, "Load Position\n");
11869 if (positionNumber > 1) {
11870 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11871 DisplayTitle(line);
11873 DisplayTitle(title);
11875 gameMode = EditGame;
11878 timeRemaining[0][1] = whiteTimeRemaining;
11879 timeRemaining[1][1] = blackTimeRemaining;
11880 DrawPosition(FALSE, boards[currentMove]);
11887 CopyPlayerNameIntoFileName(dest, src)
11890 while (*src != NULLCHAR && *src != ',') {
11895 *(*dest)++ = *src++;
11900 char *DefaultFileName(ext)
11903 static char def[MSG_SIZ];
11906 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11908 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11910 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11912 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11919 /* Save the current game to the given file */
11921 SaveGameToFile(filename, append)
11929 if (strcmp(filename, "-") == 0) {
11930 return SaveGame(stdout, 0, NULL);
11932 f = fopen(filename, append ? "a" : "w");
11934 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11935 DisplayError(buf, errno);
11938 safeStrCpy(buf, lastMsg, MSG_SIZ);
11939 DisplayMessage(_("Waiting for access to save file"), "");
11940 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11941 DisplayMessage(_("Saving game"), "");
11942 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11943 result = SaveGame(f, 0, NULL);
11944 DisplayMessage(buf, "");
11954 static char buf[MSG_SIZ];
11957 p = strchr(str, ' ');
11958 if (p == NULL) return str;
11959 strncpy(buf, str, p - str);
11960 buf[p - str] = NULLCHAR;
11964 #define PGN_MAX_LINE 75
11966 #define PGN_SIDE_WHITE 0
11967 #define PGN_SIDE_BLACK 1
11970 static int FindFirstMoveOutOfBook( int side )
11974 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11975 int index = backwardMostMove;
11976 int has_book_hit = 0;
11978 if( (index % 2) != side ) {
11982 while( index < forwardMostMove ) {
11983 /* Check to see if engine is in book */
11984 int depth = pvInfoList[index].depth;
11985 int score = pvInfoList[index].score;
11991 else if( score == 0 && depth == 63 ) {
11992 in_book = 1; /* Zappa */
11994 else if( score == 2 && depth == 99 ) {
11995 in_book = 1; /* Abrok */
11998 has_book_hit += in_book;
12014 void GetOutOfBookInfo( char * buf )
12018 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12020 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12021 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12025 if( oob[0] >= 0 || oob[1] >= 0 ) {
12026 for( i=0; i<2; i++ ) {
12030 if( i > 0 && oob[0] >= 0 ) {
12031 strcat( buf, " " );
12034 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12035 sprintf( buf+strlen(buf), "%s%.2f",
12036 pvInfoList[idx].score >= 0 ? "+" : "",
12037 pvInfoList[idx].score / 100.0 );
12043 /* Save game in PGN style and close the file */
12048 int i, offset, linelen, newblock;
12052 int movelen, numlen, blank;
12053 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12055 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12057 tm = time((time_t *) NULL);
12059 PrintPGNTags(f, &gameInfo);
12061 if (backwardMostMove > 0 || startedFromSetupPosition) {
12062 char *fen = PositionToFEN(backwardMostMove, NULL);
12063 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12064 fprintf(f, "\n{--------------\n");
12065 PrintPosition(f, backwardMostMove);
12066 fprintf(f, "--------------}\n");
12070 /* [AS] Out of book annotation */
12071 if( appData.saveOutOfBookInfo ) {
12074 GetOutOfBookInfo( buf );
12076 if( buf[0] != '\0' ) {
12077 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12084 i = backwardMostMove;
12088 while (i < forwardMostMove) {
12089 /* Print comments preceding this move */
12090 if (commentList[i] != NULL) {
12091 if (linelen > 0) fprintf(f, "\n");
12092 fprintf(f, "%s", commentList[i]);
12097 /* Format move number */
12099 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12102 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12104 numtext[0] = NULLCHAR;
12106 numlen = strlen(numtext);
12109 /* Print move number */
12110 blank = linelen > 0 && numlen > 0;
12111 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12120 fprintf(f, "%s", numtext);
12124 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12125 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12128 blank = linelen > 0 && movelen > 0;
12129 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12138 fprintf(f, "%s", move_buffer);
12139 linelen += movelen;
12141 /* [AS] Add PV info if present */
12142 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12143 /* [HGM] add time */
12144 char buf[MSG_SIZ]; int seconds;
12146 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12152 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12155 seconds = (seconds + 4)/10; // round to full seconds
12157 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12159 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12162 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12163 pvInfoList[i].score >= 0 ? "+" : "",
12164 pvInfoList[i].score / 100.0,
12165 pvInfoList[i].depth,
12168 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12170 /* Print score/depth */
12171 blank = linelen > 0 && movelen > 0;
12172 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12181 fprintf(f, "%s", move_buffer);
12182 linelen += movelen;
12188 /* Start a new line */
12189 if (linelen > 0) fprintf(f, "\n");
12191 /* Print comments after last move */
12192 if (commentList[i] != NULL) {
12193 fprintf(f, "%s\n", commentList[i]);
12197 if (gameInfo.resultDetails != NULL &&
12198 gameInfo.resultDetails[0] != NULLCHAR) {
12199 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12200 PGNResult(gameInfo.result));
12202 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12206 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12210 /* Save game in old style and close the file */
12212 SaveGameOldStyle(f)
12218 tm = time((time_t *) NULL);
12220 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12223 if (backwardMostMove > 0 || startedFromSetupPosition) {
12224 fprintf(f, "\n[--------------\n");
12225 PrintPosition(f, backwardMostMove);
12226 fprintf(f, "--------------]\n");
12231 i = backwardMostMove;
12232 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12234 while (i < forwardMostMove) {
12235 if (commentList[i] != NULL) {
12236 fprintf(f, "[%s]\n", commentList[i]);
12239 if ((i % 2) == 1) {
12240 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12243 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12245 if (commentList[i] != NULL) {
12249 if (i >= forwardMostMove) {
12253 fprintf(f, "%s\n", parseList[i]);
12258 if (commentList[i] != NULL) {
12259 fprintf(f, "[%s]\n", commentList[i]);
12262 /* This isn't really the old style, but it's close enough */
12263 if (gameInfo.resultDetails != NULL &&
12264 gameInfo.resultDetails[0] != NULLCHAR) {
12265 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12266 gameInfo.resultDetails);
12268 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12275 /* Save the current game to open file f and close the file */
12277 SaveGame(f, dummy, dummy2)
12282 if (gameMode == EditPosition) EditPositionDone(TRUE);
12283 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12284 if (appData.oldSaveStyle)
12285 return SaveGameOldStyle(f);
12287 return SaveGamePGN(f);
12290 /* Save the current position to the given file */
12292 SavePositionToFile(filename)
12298 if (strcmp(filename, "-") == 0) {
12299 return SavePosition(stdout, 0, NULL);
12301 f = fopen(filename, "a");
12303 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12304 DisplayError(buf, errno);
12307 safeStrCpy(buf, lastMsg, MSG_SIZ);
12308 DisplayMessage(_("Waiting for access to save file"), "");
12309 flock(fileno(f), LOCK_EX); // [HGM] lock
12310 DisplayMessage(_("Saving position"), "");
12311 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12312 SavePosition(f, 0, NULL);
12313 DisplayMessage(buf, "");
12319 /* Save the current position to the given open file and close the file */
12321 SavePosition(f, dummy, dummy2)
12329 if (gameMode == EditPosition) EditPositionDone(TRUE);
12330 if (appData.oldSaveStyle) {
12331 tm = time((time_t *) NULL);
12333 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12335 fprintf(f, "[--------------\n");
12336 PrintPosition(f, currentMove);
12337 fprintf(f, "--------------]\n");
12339 fen = PositionToFEN(currentMove, NULL);
12340 fprintf(f, "%s\n", fen);
12348 ReloadCmailMsgEvent(unregister)
12352 static char *inFilename = NULL;
12353 static char *outFilename;
12355 struct stat inbuf, outbuf;
12358 /* Any registered moves are unregistered if unregister is set, */
12359 /* i.e. invoked by the signal handler */
12361 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12362 cmailMoveRegistered[i] = FALSE;
12363 if (cmailCommentList[i] != NULL) {
12364 free(cmailCommentList[i]);
12365 cmailCommentList[i] = NULL;
12368 nCmailMovesRegistered = 0;
12371 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12372 cmailResult[i] = CMAIL_NOT_RESULT;
12376 if (inFilename == NULL) {
12377 /* Because the filenames are static they only get malloced once */
12378 /* and they never get freed */
12379 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12380 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12382 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12383 sprintf(outFilename, "%s.out", appData.cmailGameName);
12386 status = stat(outFilename, &outbuf);
12388 cmailMailedMove = FALSE;
12390 status = stat(inFilename, &inbuf);
12391 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12394 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12395 counts the games, notes how each one terminated, etc.
12397 It would be nice to remove this kludge and instead gather all
12398 the information while building the game list. (And to keep it
12399 in the game list nodes instead of having a bunch of fixed-size
12400 parallel arrays.) Note this will require getting each game's
12401 termination from the PGN tags, as the game list builder does
12402 not process the game moves. --mann
12404 cmailMsgLoaded = TRUE;
12405 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12407 /* Load first game in the file or popup game menu */
12408 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12410 #endif /* !WIN32 */
12418 char string[MSG_SIZ];
12420 if ( cmailMailedMove
12421 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12422 return TRUE; /* Allow free viewing */
12425 /* Unregister move to ensure that we don't leave RegisterMove */
12426 /* with the move registered when the conditions for registering no */
12428 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12429 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12430 nCmailMovesRegistered --;
12432 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12434 free(cmailCommentList[lastLoadGameNumber - 1]);
12435 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12439 if (cmailOldMove == -1) {
12440 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12444 if (currentMove > cmailOldMove + 1) {
12445 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12449 if (currentMove < cmailOldMove) {
12450 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12454 if (forwardMostMove > currentMove) {
12455 /* Silently truncate extra moves */
12459 if ( (currentMove == cmailOldMove + 1)
12460 || ( (currentMove == cmailOldMove)
12461 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12462 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12463 if (gameInfo.result != GameUnfinished) {
12464 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12467 if (commentList[currentMove] != NULL) {
12468 cmailCommentList[lastLoadGameNumber - 1]
12469 = StrSave(commentList[currentMove]);
12471 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12473 if (appData.debugMode)
12474 fprintf(debugFP, "Saving %s for game %d\n",
12475 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12477 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12479 f = fopen(string, "w");
12480 if (appData.oldSaveStyle) {
12481 SaveGameOldStyle(f); /* also closes the file */
12483 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12484 f = fopen(string, "w");
12485 SavePosition(f, 0, NULL); /* also closes the file */
12487 fprintf(f, "{--------------\n");
12488 PrintPosition(f, currentMove);
12489 fprintf(f, "--------------}\n\n");
12491 SaveGame(f, 0, NULL); /* also closes the file*/
12494 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12495 nCmailMovesRegistered ++;
12496 } else if (nCmailGames == 1) {
12497 DisplayError(_("You have not made a move yet"), 0);
12508 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12509 FILE *commandOutput;
12510 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12511 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12517 if (! cmailMsgLoaded) {
12518 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12522 if (nCmailGames == nCmailResults) {
12523 DisplayError(_("No unfinished games"), 0);
12527 #if CMAIL_PROHIBIT_REMAIL
12528 if (cmailMailedMove) {
12529 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);
12530 DisplayError(msg, 0);
12535 if (! (cmailMailedMove || RegisterMove())) return;
12537 if ( cmailMailedMove
12538 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12539 snprintf(string, MSG_SIZ, partCommandString,
12540 appData.debugMode ? " -v" : "", appData.cmailGameName);
12541 commandOutput = popen(string, "r");
12543 if (commandOutput == NULL) {
12544 DisplayError(_("Failed to invoke cmail"), 0);
12546 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12547 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12549 if (nBuffers > 1) {
12550 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12551 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12552 nBytes = MSG_SIZ - 1;
12554 (void) memcpy(msg, buffer, nBytes);
12556 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12558 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12559 cmailMailedMove = TRUE; /* Prevent >1 moves */
12562 for (i = 0; i < nCmailGames; i ++) {
12563 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12568 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12570 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12572 appData.cmailGameName,
12574 LoadGameFromFile(buffer, 1, buffer, FALSE);
12575 cmailMsgLoaded = FALSE;
12579 DisplayInformation(msg);
12580 pclose(commandOutput);
12583 if ((*cmailMsg) != '\0') {
12584 DisplayInformation(cmailMsg);
12589 #endif /* !WIN32 */
12598 int prependComma = 0;
12600 char string[MSG_SIZ]; /* Space for game-list */
12603 if (!cmailMsgLoaded) return "";
12605 if (cmailMailedMove) {
12606 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12608 /* Create a list of games left */
12609 snprintf(string, MSG_SIZ, "[");
12610 for (i = 0; i < nCmailGames; i ++) {
12611 if (! ( cmailMoveRegistered[i]
12612 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12613 if (prependComma) {
12614 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12616 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12620 strcat(string, number);
12623 strcat(string, "]");
12625 if (nCmailMovesRegistered + nCmailResults == 0) {
12626 switch (nCmailGames) {
12628 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12632 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12636 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12641 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12643 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12648 if (nCmailResults == nCmailGames) {
12649 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12651 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12656 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12668 if (gameMode == Training)
12669 SetTrainingModeOff();
12672 cmailMsgLoaded = FALSE;
12673 if (appData.icsActive) {
12674 SendToICS(ics_prefix);
12675 SendToICS("refresh\n");
12685 /* Give up on clean exit */
12689 /* Keep trying for clean exit */
12693 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12695 if (telnetISR != NULL) {
12696 RemoveInputSource(telnetISR);
12698 if (icsPR != NoProc) {
12699 DestroyChildProcess(icsPR, TRUE);
12702 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12703 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12705 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12706 /* make sure this other one finishes before killing it! */
12707 if(endingGame) { int count = 0;
12708 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12709 while(endingGame && count++ < 10) DoSleep(1);
12710 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12713 /* Kill off chess programs */
12714 if (first.pr != NoProc) {
12717 DoSleep( appData.delayBeforeQuit );
12718 SendToProgram("quit\n", &first);
12719 DoSleep( appData.delayAfterQuit );
12720 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12722 if (second.pr != NoProc) {
12723 DoSleep( appData.delayBeforeQuit );
12724 SendToProgram("quit\n", &second);
12725 DoSleep( appData.delayAfterQuit );
12726 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12728 if (first.isr != NULL) {
12729 RemoveInputSource(first.isr);
12731 if (second.isr != NULL) {
12732 RemoveInputSource(second.isr);
12735 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12736 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12738 ShutDownFrontEnd();
12745 if (appData.debugMode)
12746 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12750 if (gameMode == MachinePlaysWhite ||
12751 gameMode == MachinePlaysBlack) {
12754 DisplayBothClocks();
12756 if (gameMode == PlayFromGameFile) {
12757 if (appData.timeDelay >= 0)
12758 AutoPlayGameLoop();
12759 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12760 Reset(FALSE, TRUE);
12761 SendToICS(ics_prefix);
12762 SendToICS("refresh\n");
12763 } else if (currentMove < forwardMostMove) {
12764 ForwardInner(forwardMostMove);
12766 pauseExamInvalid = FALSE;
12768 switch (gameMode) {
12772 pauseExamForwardMostMove = forwardMostMove;
12773 pauseExamInvalid = FALSE;
12776 case IcsPlayingWhite:
12777 case IcsPlayingBlack:
12781 case PlayFromGameFile:
12782 (void) StopLoadGameTimer();
12786 case BeginningOfGame:
12787 if (appData.icsActive) return;
12788 /* else fall through */
12789 case MachinePlaysWhite:
12790 case MachinePlaysBlack:
12791 case TwoMachinesPlay:
12792 if (forwardMostMove == 0)
12793 return; /* don't pause if no one has moved */
12794 if ((gameMode == MachinePlaysWhite &&
12795 !WhiteOnMove(forwardMostMove)) ||
12796 (gameMode == MachinePlaysBlack &&
12797 WhiteOnMove(forwardMostMove))) {
12810 char title[MSG_SIZ];
12812 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12813 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12815 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12816 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12817 parseList[currentMove - 1]);
12820 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12827 char *tags = PGNTags(&gameInfo);
12829 EditTagsPopUp(tags, NULL);
12836 if (appData.noChessProgram || gameMode == AnalyzeMode)
12839 if (gameMode != AnalyzeFile) {
12840 if (!appData.icsEngineAnalyze) {
12842 if (gameMode != EditGame) return;
12844 ResurrectChessProgram();
12845 SendToProgram("analyze\n", &first);
12846 first.analyzing = TRUE;
12847 /*first.maybeThinking = TRUE;*/
12848 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12849 EngineOutputPopUp();
12851 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12856 StartAnalysisClock();
12857 GetTimeMark(&lastNodeCountTime);
12864 if (appData.noChessProgram || gameMode == AnalyzeFile)
12867 if (gameMode != AnalyzeMode) {
12869 if (gameMode != EditGame) return;
12870 ResurrectChessProgram();
12871 SendToProgram("analyze\n", &first);
12872 first.analyzing = TRUE;
12873 /*first.maybeThinking = TRUE;*/
12874 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12875 EngineOutputPopUp();
12877 gameMode = AnalyzeFile;
12882 StartAnalysisClock();
12883 GetTimeMark(&lastNodeCountTime);
12885 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
12889 MachineWhiteEvent()
12892 char *bookHit = NULL;
12894 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12898 if (gameMode == PlayFromGameFile ||
12899 gameMode == TwoMachinesPlay ||
12900 gameMode == Training ||
12901 gameMode == AnalyzeMode ||
12902 gameMode == EndOfGame)
12905 if (gameMode == EditPosition)
12906 EditPositionDone(TRUE);
12908 if (!WhiteOnMove(currentMove)) {
12909 DisplayError(_("It is not White's turn"), 0);
12913 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12916 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12917 gameMode == AnalyzeFile)
12920 ResurrectChessProgram(); /* in case it isn't running */
12921 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12922 gameMode = MachinePlaysWhite;
12925 gameMode = MachinePlaysWhite;
12929 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12931 if (first.sendName) {
12932 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12933 SendToProgram(buf, &first);
12935 if (first.sendTime) {
12936 if (first.useColors) {
12937 SendToProgram("black\n", &first); /*gnu kludge*/
12939 SendTimeRemaining(&first, TRUE);
12941 if (first.useColors) {
12942 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12944 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12945 SetMachineThinkingEnables();
12946 first.maybeThinking = TRUE;
12950 if (appData.autoFlipView && !flipView) {
12951 flipView = !flipView;
12952 DrawPosition(FALSE, NULL);
12953 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12956 if(bookHit) { // [HGM] book: simulate book reply
12957 static char bookMove[MSG_SIZ]; // a bit generous?
12959 programStats.nodes = programStats.depth = programStats.time =
12960 programStats.score = programStats.got_only_move = 0;
12961 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12963 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12964 strcat(bookMove, bookHit);
12965 HandleMachineMove(bookMove, &first);
12970 MachineBlackEvent()
12973 char *bookHit = NULL;
12975 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12979 if (gameMode == PlayFromGameFile ||
12980 gameMode == TwoMachinesPlay ||
12981 gameMode == Training ||
12982 gameMode == AnalyzeMode ||
12983 gameMode == EndOfGame)
12986 if (gameMode == EditPosition)
12987 EditPositionDone(TRUE);
12989 if (WhiteOnMove(currentMove)) {
12990 DisplayError(_("It is not Black's turn"), 0);
12994 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12997 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12998 gameMode == AnalyzeFile)
13001 ResurrectChessProgram(); /* in case it isn't running */
13002 gameMode = MachinePlaysBlack;
13006 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13008 if (first.sendName) {
13009 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13010 SendToProgram(buf, &first);
13012 if (first.sendTime) {
13013 if (first.useColors) {
13014 SendToProgram("white\n", &first); /*gnu kludge*/
13016 SendTimeRemaining(&first, FALSE);
13018 if (first.useColors) {
13019 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13021 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13022 SetMachineThinkingEnables();
13023 first.maybeThinking = TRUE;
13026 if (appData.autoFlipView && flipView) {
13027 flipView = !flipView;
13028 DrawPosition(FALSE, NULL);
13029 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13031 if(bookHit) { // [HGM] book: simulate book reply
13032 static char bookMove[MSG_SIZ]; // a bit generous?
13034 programStats.nodes = programStats.depth = programStats.time =
13035 programStats.score = programStats.got_only_move = 0;
13036 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13038 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13039 strcat(bookMove, bookHit);
13040 HandleMachineMove(bookMove, &first);
13046 DisplayTwoMachinesTitle()
13049 if (appData.matchGames > 0) {
13050 if(appData.tourneyFile[0]) {
13051 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
13052 gameInfo.white, gameInfo.black,
13053 nextGame+1, appData.matchGames+1,
13054 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13056 if (first.twoMachinesColor[0] == 'w') {
13057 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13058 gameInfo.white, gameInfo.black,
13059 first.matchWins, second.matchWins,
13060 matchGame - 1 - (first.matchWins + second.matchWins));
13062 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13063 gameInfo.white, gameInfo.black,
13064 second.matchWins, first.matchWins,
13065 matchGame - 1 - (first.matchWins + second.matchWins));
13068 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13074 SettingsMenuIfReady()
13076 if (second.lastPing != second.lastPong) {
13077 DisplayMessage("", _("Waiting for second chess program"));
13078 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13082 DisplayMessage("", "");
13083 SettingsPopUp(&second);
13087 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13090 if (cps->pr == NULL) {
13091 StartChessProgram(cps);
13092 if (cps->protocolVersion == 1) {
13095 /* kludge: allow timeout for initial "feature" command */
13097 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13098 DisplayMessage("", buf);
13099 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13107 TwoMachinesEvent P((void))
13111 ChessProgramState *onmove;
13112 char *bookHit = NULL;
13113 static int stalling = 0;
13117 if (appData.noChessProgram) return;
13119 switch (gameMode) {
13120 case TwoMachinesPlay:
13122 case MachinePlaysWhite:
13123 case MachinePlaysBlack:
13124 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13125 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13129 case BeginningOfGame:
13130 case PlayFromGameFile:
13133 if (gameMode != EditGame) return;
13136 EditPositionDone(TRUE);
13147 // forwardMostMove = currentMove;
13148 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13150 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13152 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13153 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13154 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13158 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13159 SendToProgram("force\n", &second);
13161 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13164 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13165 if(appData.matchPause>10000 || appData.matchPause<10)
13166 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13167 wait = SubtractTimeMarks(&now, &pauseStart);
13168 if(wait < appData.matchPause) {
13169 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13173 DisplayMessage("", "");
13174 if (startedFromSetupPosition) {
13175 SendBoard(&second, backwardMostMove);
13176 if (appData.debugMode) {
13177 fprintf(debugFP, "Two Machines\n");
13180 for (i = backwardMostMove; i < forwardMostMove; i++) {
13181 SendMoveToProgram(i, &second);
13184 gameMode = TwoMachinesPlay;
13186 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13188 DisplayTwoMachinesTitle();
13190 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13195 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13196 SendToProgram(first.computerString, &first);
13197 if (first.sendName) {
13198 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13199 SendToProgram(buf, &first);
13201 SendToProgram(second.computerString, &second);
13202 if (second.sendName) {
13203 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13204 SendToProgram(buf, &second);
13208 if (!first.sendTime || !second.sendTime) {
13209 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13210 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13212 if (onmove->sendTime) {
13213 if (onmove->useColors) {
13214 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13216 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13218 if (onmove->useColors) {
13219 SendToProgram(onmove->twoMachinesColor, onmove);
13221 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13222 // SendToProgram("go\n", onmove);
13223 onmove->maybeThinking = TRUE;
13224 SetMachineThinkingEnables();
13228 if(bookHit) { // [HGM] book: simulate book reply
13229 static char bookMove[MSG_SIZ]; // a bit generous?
13231 programStats.nodes = programStats.depth = programStats.time =
13232 programStats.score = programStats.got_only_move = 0;
13233 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13235 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13236 strcat(bookMove, bookHit);
13237 savedMessage = bookMove; // args for deferred call
13238 savedState = onmove;
13239 ScheduleDelayedEvent(DeferredBookMove, 1);
13246 if (gameMode == Training) {
13247 SetTrainingModeOff();
13248 gameMode = PlayFromGameFile;
13249 DisplayMessage("", _("Training mode off"));
13251 gameMode = Training;
13252 animateTraining = appData.animate;
13254 /* make sure we are not already at the end of the game */
13255 if (currentMove < forwardMostMove) {
13256 SetTrainingModeOn();
13257 DisplayMessage("", _("Training mode on"));
13259 gameMode = PlayFromGameFile;
13260 DisplayError(_("Already at end of game"), 0);
13269 if (!appData.icsActive) return;
13270 switch (gameMode) {
13271 case IcsPlayingWhite:
13272 case IcsPlayingBlack:
13275 case BeginningOfGame:
13283 EditPositionDone(TRUE);
13296 gameMode = IcsIdle;
13307 switch (gameMode) {
13309 SetTrainingModeOff();
13311 case MachinePlaysWhite:
13312 case MachinePlaysBlack:
13313 case BeginningOfGame:
13314 SendToProgram("force\n", &first);
13315 SetUserThinkingEnables();
13317 case PlayFromGameFile:
13318 (void) StopLoadGameTimer();
13319 if (gameFileFP != NULL) {
13324 EditPositionDone(TRUE);
13329 SendToProgram("force\n", &first);
13331 case TwoMachinesPlay:
13332 GameEnds(EndOfFile, NULL, GE_PLAYER);
13333 ResurrectChessProgram();
13334 SetUserThinkingEnables();
13337 ResurrectChessProgram();
13339 case IcsPlayingBlack:
13340 case IcsPlayingWhite:
13341 DisplayError(_("Warning: You are still playing a game"), 0);
13344 DisplayError(_("Warning: You are still observing a game"), 0);
13347 DisplayError(_("Warning: You are still examining a game"), 0);
13358 first.offeredDraw = second.offeredDraw = 0;
13360 if (gameMode == PlayFromGameFile) {
13361 whiteTimeRemaining = timeRemaining[0][currentMove];
13362 blackTimeRemaining = timeRemaining[1][currentMove];
13366 if (gameMode == MachinePlaysWhite ||
13367 gameMode == MachinePlaysBlack ||
13368 gameMode == TwoMachinesPlay ||
13369 gameMode == EndOfGame) {
13370 i = forwardMostMove;
13371 while (i > currentMove) {
13372 SendToProgram("undo\n", &first);
13375 whiteTimeRemaining = timeRemaining[0][currentMove];
13376 blackTimeRemaining = timeRemaining[1][currentMove];
13377 DisplayBothClocks();
13378 if (whiteFlag || blackFlag) {
13379 whiteFlag = blackFlag = 0;
13384 gameMode = EditGame;
13391 EditPositionEvent()
13393 if (gameMode == EditPosition) {
13399 if (gameMode != EditGame) return;
13401 gameMode = EditPosition;
13404 if (currentMove > 0)
13405 CopyBoard(boards[0], boards[currentMove]);
13407 blackPlaysFirst = !WhiteOnMove(currentMove);
13409 currentMove = forwardMostMove = backwardMostMove = 0;
13410 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13417 /* [DM] icsEngineAnalyze - possible call from other functions */
13418 if (appData.icsEngineAnalyze) {
13419 appData.icsEngineAnalyze = FALSE;
13421 DisplayMessage("",_("Close ICS engine analyze..."));
13423 if (first.analysisSupport && first.analyzing) {
13424 SendToProgram("exit\n", &first);
13425 first.analyzing = FALSE;
13427 thinkOutput[0] = NULLCHAR;
13431 EditPositionDone(Boolean fakeRights)
13433 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13435 startedFromSetupPosition = TRUE;
13436 InitChessProgram(&first, FALSE);
13437 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13438 boards[0][EP_STATUS] = EP_NONE;
13439 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13440 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13441 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13442 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13443 } else boards[0][CASTLING][2] = NoRights;
13444 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13445 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13446 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13447 } else boards[0][CASTLING][5] = NoRights;
13449 SendToProgram("force\n", &first);
13450 if (blackPlaysFirst) {
13451 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13452 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13453 currentMove = forwardMostMove = backwardMostMove = 1;
13454 CopyBoard(boards[1], boards[0]);
13456 currentMove = forwardMostMove = backwardMostMove = 0;
13458 SendBoard(&first, forwardMostMove);
13459 if (appData.debugMode) {
13460 fprintf(debugFP, "EditPosDone\n");
13463 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13464 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13465 gameMode = EditGame;
13467 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13468 ClearHighlights(); /* [AS] */
13471 /* Pause for `ms' milliseconds */
13472 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13482 } while (SubtractTimeMarks(&m2, &m1) < ms);
13485 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13487 SendMultiLineToICS(buf)
13490 char temp[MSG_SIZ+1], *p;
13497 strncpy(temp, buf, len);
13502 if (*p == '\n' || *p == '\r')
13507 strcat(temp, "\n");
13509 SendToPlayer(temp, strlen(temp));
13513 SetWhiteToPlayEvent()
13515 if (gameMode == EditPosition) {
13516 blackPlaysFirst = FALSE;
13517 DisplayBothClocks(); /* works because currentMove is 0 */
13518 } else if (gameMode == IcsExamining) {
13519 SendToICS(ics_prefix);
13520 SendToICS("tomove white\n");
13525 SetBlackToPlayEvent()
13527 if (gameMode == EditPosition) {
13528 blackPlaysFirst = TRUE;
13529 currentMove = 1; /* kludge */
13530 DisplayBothClocks();
13532 } else if (gameMode == IcsExamining) {
13533 SendToICS(ics_prefix);
13534 SendToICS("tomove black\n");
13539 EditPositionMenuEvent(selection, x, y)
13540 ChessSquare selection;
13544 ChessSquare piece = boards[0][y][x];
13546 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13548 switch (selection) {
13550 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13551 SendToICS(ics_prefix);
13552 SendToICS("bsetup clear\n");
13553 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13554 SendToICS(ics_prefix);
13555 SendToICS("clearboard\n");
13557 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13558 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13559 for (y = 0; y < BOARD_HEIGHT; y++) {
13560 if (gameMode == IcsExamining) {
13561 if (boards[currentMove][y][x] != EmptySquare) {
13562 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13567 boards[0][y][x] = p;
13572 if (gameMode == EditPosition) {
13573 DrawPosition(FALSE, boards[0]);
13578 SetWhiteToPlayEvent();
13582 SetBlackToPlayEvent();
13586 if (gameMode == IcsExamining) {
13587 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13588 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13591 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13592 if(x == BOARD_LEFT-2) {
13593 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13594 boards[0][y][1] = 0;
13596 if(x == BOARD_RGHT+1) {
13597 if(y >= gameInfo.holdingsSize) break;
13598 boards[0][y][BOARD_WIDTH-2] = 0;
13601 boards[0][y][x] = EmptySquare;
13602 DrawPosition(FALSE, boards[0]);
13607 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13608 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13609 selection = (ChessSquare) (PROMOTED piece);
13610 } else if(piece == EmptySquare) selection = WhiteSilver;
13611 else selection = (ChessSquare)((int)piece - 1);
13615 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13616 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13617 selection = (ChessSquare) (DEMOTED piece);
13618 } else if(piece == EmptySquare) selection = BlackSilver;
13619 else selection = (ChessSquare)((int)piece + 1);
13624 if(gameInfo.variant == VariantShatranj ||
13625 gameInfo.variant == VariantXiangqi ||
13626 gameInfo.variant == VariantCourier ||
13627 gameInfo.variant == VariantMakruk )
13628 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13633 if(gameInfo.variant == VariantXiangqi)
13634 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13635 if(gameInfo.variant == VariantKnightmate)
13636 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13639 if (gameMode == IcsExamining) {
13640 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13641 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13642 PieceToChar(selection), AAA + x, ONE + y);
13645 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13647 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13648 n = PieceToNumber(selection - BlackPawn);
13649 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13650 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13651 boards[0][BOARD_HEIGHT-1-n][1]++;
13653 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13654 n = PieceToNumber(selection);
13655 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13656 boards[0][n][BOARD_WIDTH-1] = selection;
13657 boards[0][n][BOARD_WIDTH-2]++;
13660 boards[0][y][x] = selection;
13661 DrawPosition(TRUE, boards[0]);
13669 DropMenuEvent(selection, x, y)
13670 ChessSquare selection;
13673 ChessMove moveType;
13675 switch (gameMode) {
13676 case IcsPlayingWhite:
13677 case MachinePlaysBlack:
13678 if (!WhiteOnMove(currentMove)) {
13679 DisplayMoveError(_("It is Black's turn"));
13682 moveType = WhiteDrop;
13684 case IcsPlayingBlack:
13685 case MachinePlaysWhite:
13686 if (WhiteOnMove(currentMove)) {
13687 DisplayMoveError(_("It is White's turn"));
13690 moveType = BlackDrop;
13693 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13699 if (moveType == BlackDrop && selection < BlackPawn) {
13700 selection = (ChessSquare) ((int) selection
13701 + (int) BlackPawn - (int) WhitePawn);
13703 if (boards[currentMove][y][x] != EmptySquare) {
13704 DisplayMoveError(_("That square is occupied"));
13708 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13714 /* Accept a pending offer of any kind from opponent */
13716 if (appData.icsActive) {
13717 SendToICS(ics_prefix);
13718 SendToICS("accept\n");
13719 } else if (cmailMsgLoaded) {
13720 if (currentMove == cmailOldMove &&
13721 commentList[cmailOldMove] != NULL &&
13722 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13723 "Black offers a draw" : "White offers a draw")) {
13725 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13726 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13728 DisplayError(_("There is no pending offer on this move"), 0);
13729 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13732 /* Not used for offers from chess program */
13739 /* Decline a pending offer of any kind from opponent */
13741 if (appData.icsActive) {
13742 SendToICS(ics_prefix);
13743 SendToICS("decline\n");
13744 } else if (cmailMsgLoaded) {
13745 if (currentMove == cmailOldMove &&
13746 commentList[cmailOldMove] != NULL &&
13747 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13748 "Black offers a draw" : "White offers a draw")) {
13750 AppendComment(cmailOldMove, "Draw declined", TRUE);
13751 DisplayComment(cmailOldMove - 1, "Draw declined");
13754 DisplayError(_("There is no pending offer on this move"), 0);
13757 /* Not used for offers from chess program */
13764 /* Issue ICS rematch command */
13765 if (appData.icsActive) {
13766 SendToICS(ics_prefix);
13767 SendToICS("rematch\n");
13774 /* Call your opponent's flag (claim a win on time) */
13775 if (appData.icsActive) {
13776 SendToICS(ics_prefix);
13777 SendToICS("flag\n");
13779 switch (gameMode) {
13782 case MachinePlaysWhite:
13785 GameEnds(GameIsDrawn, "Both players ran out of time",
13788 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13790 DisplayError(_("Your opponent is not out of time"), 0);
13793 case MachinePlaysBlack:
13796 GameEnds(GameIsDrawn, "Both players ran out of time",
13799 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13801 DisplayError(_("Your opponent is not out of time"), 0);
13809 ClockClick(int which)
13810 { // [HGM] code moved to back-end from winboard.c
13811 if(which) { // black clock
13812 if (gameMode == EditPosition || gameMode == IcsExamining) {
13813 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13814 SetBlackToPlayEvent();
13815 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
13816 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
13817 } else if (shiftKey) {
13818 AdjustClock(which, -1);
13819 } else if (gameMode == IcsPlayingWhite ||
13820 gameMode == MachinePlaysBlack) {
13823 } else { // white clock
13824 if (gameMode == EditPosition || gameMode == IcsExamining) {
13825 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13826 SetWhiteToPlayEvent();
13827 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
13828 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
13829 } else if (shiftKey) {
13830 AdjustClock(which, -1);
13831 } else if (gameMode == IcsPlayingBlack ||
13832 gameMode == MachinePlaysWhite) {
13841 /* Offer draw or accept pending draw offer from opponent */
13843 if (appData.icsActive) {
13844 /* Note: tournament rules require draw offers to be
13845 made after you make your move but before you punch
13846 your clock. Currently ICS doesn't let you do that;
13847 instead, you immediately punch your clock after making
13848 a move, but you can offer a draw at any time. */
13850 SendToICS(ics_prefix);
13851 SendToICS("draw\n");
13852 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13853 } else if (cmailMsgLoaded) {
13854 if (currentMove == cmailOldMove &&
13855 commentList[cmailOldMove] != NULL &&
13856 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13857 "Black offers a draw" : "White offers a draw")) {
13858 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13859 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13860 } else if (currentMove == cmailOldMove + 1) {
13861 char *offer = WhiteOnMove(cmailOldMove) ?
13862 "White offers a draw" : "Black offers a draw";
13863 AppendComment(currentMove, offer, TRUE);
13864 DisplayComment(currentMove - 1, offer);
13865 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13867 DisplayError(_("You must make your move before offering a draw"), 0);
13868 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13870 } else if (first.offeredDraw) {
13871 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13873 if (first.sendDrawOffers) {
13874 SendToProgram("draw\n", &first);
13875 userOfferedDraw = TRUE;
13883 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13885 if (appData.icsActive) {
13886 SendToICS(ics_prefix);
13887 SendToICS("adjourn\n");
13889 /* Currently GNU Chess doesn't offer or accept Adjourns */
13897 /* Offer Abort or accept pending Abort offer from opponent */
13899 if (appData.icsActive) {
13900 SendToICS(ics_prefix);
13901 SendToICS("abort\n");
13903 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13910 /* Resign. You can do this even if it's not your turn. */
13912 if (appData.icsActive) {
13913 SendToICS(ics_prefix);
13914 SendToICS("resign\n");
13916 switch (gameMode) {
13917 case MachinePlaysWhite:
13918 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13920 case MachinePlaysBlack:
13921 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13924 if (cmailMsgLoaded) {
13926 if (WhiteOnMove(cmailOldMove)) {
13927 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13929 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13931 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13942 StopObservingEvent()
13944 /* Stop observing current games */
13945 SendToICS(ics_prefix);
13946 SendToICS("unobserve\n");
13950 StopExaminingEvent()
13952 /* Stop observing current game */
13953 SendToICS(ics_prefix);
13954 SendToICS("unexamine\n");
13958 ForwardInner(target)
13963 if (appData.debugMode)
13964 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13965 target, currentMove, forwardMostMove);
13967 if (gameMode == EditPosition)
13970 if (gameMode == PlayFromGameFile && !pausing)
13973 if (gameMode == IcsExamining && pausing)
13974 limit = pauseExamForwardMostMove;
13976 limit = forwardMostMove;
13978 if (target > limit) target = limit;
13980 if (target > 0 && moveList[target - 1][0]) {
13981 int fromX, fromY, toX, toY;
13982 toX = moveList[target - 1][2] - AAA;
13983 toY = moveList[target - 1][3] - ONE;
13984 if (moveList[target - 1][1] == '@') {
13985 if (appData.highlightLastMove) {
13986 SetHighlights(-1, -1, toX, toY);
13989 fromX = moveList[target - 1][0] - AAA;
13990 fromY = moveList[target - 1][1] - ONE;
13991 if (target == currentMove + 1) {
13992 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13994 if (appData.highlightLastMove) {
13995 SetHighlights(fromX, fromY, toX, toY);
13999 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14000 gameMode == Training || gameMode == PlayFromGameFile ||
14001 gameMode == AnalyzeFile) {
14002 while (currentMove < target) {
14003 SendMoveToProgram(currentMove++, &first);
14006 currentMove = target;
14009 if (gameMode == EditGame || gameMode == EndOfGame) {
14010 whiteTimeRemaining = timeRemaining[0][currentMove];
14011 blackTimeRemaining = timeRemaining[1][currentMove];
14013 DisplayBothClocks();
14014 DisplayMove(currentMove - 1);
14015 DrawPosition(FALSE, boards[currentMove]);
14016 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14017 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14018 DisplayComment(currentMove - 1, commentList[currentMove]);
14020 DisplayBook(currentMove);
14027 if (gameMode == IcsExamining && !pausing) {
14028 SendToICS(ics_prefix);
14029 SendToICS("forward\n");
14031 ForwardInner(currentMove + 1);
14038 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14039 /* to optimze, we temporarily turn off analysis mode while we feed
14040 * the remaining moves to the engine. Otherwise we get analysis output
14043 if (first.analysisSupport) {
14044 SendToProgram("exit\nforce\n", &first);
14045 first.analyzing = FALSE;
14049 if (gameMode == IcsExamining && !pausing) {
14050 SendToICS(ics_prefix);
14051 SendToICS("forward 999999\n");
14053 ForwardInner(forwardMostMove);
14056 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14057 /* we have fed all the moves, so reactivate analysis mode */
14058 SendToProgram("analyze\n", &first);
14059 first.analyzing = TRUE;
14060 /*first.maybeThinking = TRUE;*/
14061 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14066 BackwardInner(target)
14069 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14071 if (appData.debugMode)
14072 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14073 target, currentMove, forwardMostMove);
14075 if (gameMode == EditPosition) return;
14076 if (currentMove <= backwardMostMove) {
14078 DrawPosition(full_redraw, boards[currentMove]);
14081 if (gameMode == PlayFromGameFile && !pausing)
14084 if (moveList[target][0]) {
14085 int fromX, fromY, toX, toY;
14086 toX = moveList[target][2] - AAA;
14087 toY = moveList[target][3] - ONE;
14088 if (moveList[target][1] == '@') {
14089 if (appData.highlightLastMove) {
14090 SetHighlights(-1, -1, toX, toY);
14093 fromX = moveList[target][0] - AAA;
14094 fromY = moveList[target][1] - ONE;
14095 if (target == currentMove - 1) {
14096 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14098 if (appData.highlightLastMove) {
14099 SetHighlights(fromX, fromY, toX, toY);
14103 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14104 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14105 while (currentMove > target) {
14106 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14107 // null move cannot be undone. Reload program with move history before it.
14109 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14110 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14112 SendBoard(&first, i);
14113 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14116 SendToProgram("undo\n", &first);
14120 currentMove = target;
14123 if (gameMode == EditGame || gameMode == EndOfGame) {
14124 whiteTimeRemaining = timeRemaining[0][currentMove];
14125 blackTimeRemaining = timeRemaining[1][currentMove];
14127 DisplayBothClocks();
14128 DisplayMove(currentMove - 1);
14129 DrawPosition(full_redraw, boards[currentMove]);
14130 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14131 // [HGM] PV info: routine tests if comment empty
14132 DisplayComment(currentMove - 1, commentList[currentMove]);
14133 DisplayBook(currentMove);
14139 if (gameMode == IcsExamining && !pausing) {
14140 SendToICS(ics_prefix);
14141 SendToICS("backward\n");
14143 BackwardInner(currentMove - 1);
14150 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14151 /* to optimize, we temporarily turn off analysis mode while we undo
14152 * all the moves. Otherwise we get analysis output after each undo.
14154 if (first.analysisSupport) {
14155 SendToProgram("exit\nforce\n", &first);
14156 first.analyzing = FALSE;
14160 if (gameMode == IcsExamining && !pausing) {
14161 SendToICS(ics_prefix);
14162 SendToICS("backward 999999\n");
14164 BackwardInner(backwardMostMove);
14167 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14168 /* we have fed all the moves, so reactivate analysis mode */
14169 SendToProgram("analyze\n", &first);
14170 first.analyzing = TRUE;
14171 /*first.maybeThinking = TRUE;*/
14172 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14179 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14180 if (to >= forwardMostMove) to = forwardMostMove;
14181 if (to <= backwardMostMove) to = backwardMostMove;
14182 if (to < currentMove) {
14190 RevertEvent(Boolean annotate)
14192 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14195 if (gameMode != IcsExamining) {
14196 DisplayError(_("You are not examining a game"), 0);
14200 DisplayError(_("You can't revert while pausing"), 0);
14203 SendToICS(ics_prefix);
14204 SendToICS("revert\n");
14210 switch (gameMode) {
14211 case MachinePlaysWhite:
14212 case MachinePlaysBlack:
14213 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14214 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14217 if (forwardMostMove < 2) return;
14218 currentMove = forwardMostMove = forwardMostMove - 2;
14219 whiteTimeRemaining = timeRemaining[0][currentMove];
14220 blackTimeRemaining = timeRemaining[1][currentMove];
14221 DisplayBothClocks();
14222 DisplayMove(currentMove - 1);
14223 ClearHighlights();/*!! could figure this out*/
14224 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14225 SendToProgram("remove\n", &first);
14226 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14229 case BeginningOfGame:
14233 case IcsPlayingWhite:
14234 case IcsPlayingBlack:
14235 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14236 SendToICS(ics_prefix);
14237 SendToICS("takeback 2\n");
14239 SendToICS(ics_prefix);
14240 SendToICS("takeback 1\n");
14249 ChessProgramState *cps;
14251 switch (gameMode) {
14252 case MachinePlaysWhite:
14253 if (!WhiteOnMove(forwardMostMove)) {
14254 DisplayError(_("It is your turn"), 0);
14259 case MachinePlaysBlack:
14260 if (WhiteOnMove(forwardMostMove)) {
14261 DisplayError(_("It is your turn"), 0);
14266 case TwoMachinesPlay:
14267 if (WhiteOnMove(forwardMostMove) ==
14268 (first.twoMachinesColor[0] == 'w')) {
14274 case BeginningOfGame:
14278 SendToProgram("?\n", cps);
14282 TruncateGameEvent()
14285 if (gameMode != EditGame) return;
14292 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14293 if (forwardMostMove > currentMove) {
14294 if (gameInfo.resultDetails != NULL) {
14295 free(gameInfo.resultDetails);
14296 gameInfo.resultDetails = NULL;
14297 gameInfo.result = GameUnfinished;
14299 forwardMostMove = currentMove;
14300 HistorySet(parseList, backwardMostMove, forwardMostMove,
14308 if (appData.noChessProgram) return;
14309 switch (gameMode) {
14310 case MachinePlaysWhite:
14311 if (WhiteOnMove(forwardMostMove)) {
14312 DisplayError(_("Wait until your turn"), 0);
14316 case BeginningOfGame:
14317 case MachinePlaysBlack:
14318 if (!WhiteOnMove(forwardMostMove)) {
14319 DisplayError(_("Wait until your turn"), 0);
14324 DisplayError(_("No hint available"), 0);
14327 SendToProgram("hint\n", &first);
14328 hintRequested = TRUE;
14334 if (appData.noChessProgram) return;
14335 switch (gameMode) {
14336 case MachinePlaysWhite:
14337 if (WhiteOnMove(forwardMostMove)) {
14338 DisplayError(_("Wait until your turn"), 0);
14342 case BeginningOfGame:
14343 case MachinePlaysBlack:
14344 if (!WhiteOnMove(forwardMostMove)) {
14345 DisplayError(_("Wait until your turn"), 0);
14350 EditPositionDone(TRUE);
14352 case TwoMachinesPlay:
14357 SendToProgram("bk\n", &first);
14358 bookOutput[0] = NULLCHAR;
14359 bookRequested = TRUE;
14365 char *tags = PGNTags(&gameInfo);
14366 TagsPopUp(tags, CmailMsg());
14370 /* end button procedures */
14373 PrintPosition(fp, move)
14379 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14380 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14381 char c = PieceToChar(boards[move][i][j]);
14382 fputc(c == 'x' ? '.' : c, fp);
14383 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14386 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14387 fprintf(fp, "white to play\n");
14389 fprintf(fp, "black to play\n");
14396 if (gameInfo.white != NULL) {
14397 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14403 /* Find last component of program's own name, using some heuristics */
14405 TidyProgramName(prog, host, buf)
14406 char *prog, *host, buf[MSG_SIZ];
14409 int local = (strcmp(host, "localhost") == 0);
14410 while (!local && (p = strchr(prog, ';')) != NULL) {
14412 while (*p == ' ') p++;
14415 if (*prog == '"' || *prog == '\'') {
14416 q = strchr(prog + 1, *prog);
14418 q = strchr(prog, ' ');
14420 if (q == NULL) q = prog + strlen(prog);
14422 while (p >= prog && *p != '/' && *p != '\\') p--;
14424 if(p == prog && *p == '"') p++;
14425 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14426 memcpy(buf, p, q - p);
14427 buf[q - p] = NULLCHAR;
14435 TimeControlTagValue()
14438 if (!appData.clockMode) {
14439 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14440 } else if (movesPerSession > 0) {
14441 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14442 } else if (timeIncrement == 0) {
14443 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14445 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14447 return StrSave(buf);
14453 /* This routine is used only for certain modes */
14454 VariantClass v = gameInfo.variant;
14455 ChessMove r = GameUnfinished;
14458 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14459 r = gameInfo.result;
14460 p = gameInfo.resultDetails;
14461 gameInfo.resultDetails = NULL;
14463 ClearGameInfo(&gameInfo);
14464 gameInfo.variant = v;
14466 switch (gameMode) {
14467 case MachinePlaysWhite:
14468 gameInfo.event = StrSave( appData.pgnEventHeader );
14469 gameInfo.site = StrSave(HostName());
14470 gameInfo.date = PGNDate();
14471 gameInfo.round = StrSave("-");
14472 gameInfo.white = StrSave(first.tidy);
14473 gameInfo.black = StrSave(UserName());
14474 gameInfo.timeControl = TimeControlTagValue();
14477 case MachinePlaysBlack:
14478 gameInfo.event = StrSave( appData.pgnEventHeader );
14479 gameInfo.site = StrSave(HostName());
14480 gameInfo.date = PGNDate();
14481 gameInfo.round = StrSave("-");
14482 gameInfo.white = StrSave(UserName());
14483 gameInfo.black = StrSave(first.tidy);
14484 gameInfo.timeControl = TimeControlTagValue();
14487 case TwoMachinesPlay:
14488 gameInfo.event = StrSave( appData.pgnEventHeader );
14489 gameInfo.site = StrSave(HostName());
14490 gameInfo.date = PGNDate();
14493 snprintf(buf, MSG_SIZ, "%d", roundNr);
14494 gameInfo.round = StrSave(buf);
14496 gameInfo.round = StrSave("-");
14498 if (first.twoMachinesColor[0] == 'w') {
14499 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14500 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14502 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14503 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14505 gameInfo.timeControl = TimeControlTagValue();
14509 gameInfo.event = StrSave("Edited game");
14510 gameInfo.site = StrSave(HostName());
14511 gameInfo.date = PGNDate();
14512 gameInfo.round = StrSave("-");
14513 gameInfo.white = StrSave("-");
14514 gameInfo.black = StrSave("-");
14515 gameInfo.result = r;
14516 gameInfo.resultDetails = p;
14520 gameInfo.event = StrSave("Edited position");
14521 gameInfo.site = StrSave(HostName());
14522 gameInfo.date = PGNDate();
14523 gameInfo.round = StrSave("-");
14524 gameInfo.white = StrSave("-");
14525 gameInfo.black = StrSave("-");
14528 case IcsPlayingWhite:
14529 case IcsPlayingBlack:
14534 case PlayFromGameFile:
14535 gameInfo.event = StrSave("Game from non-PGN file");
14536 gameInfo.site = StrSave(HostName());
14537 gameInfo.date = PGNDate();
14538 gameInfo.round = StrSave("-");
14539 gameInfo.white = StrSave("?");
14540 gameInfo.black = StrSave("?");
14549 ReplaceComment(index, text)
14557 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14558 pvInfoList[index-1].depth == len &&
14559 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14560 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14561 while (*text == '\n') text++;
14562 len = strlen(text);
14563 while (len > 0 && text[len - 1] == '\n') len--;
14565 if (commentList[index] != NULL)
14566 free(commentList[index]);
14569 commentList[index] = NULL;
14572 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14573 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14574 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14575 commentList[index] = (char *) malloc(len + 2);
14576 strncpy(commentList[index], text, len);
14577 commentList[index][len] = '\n';
14578 commentList[index][len + 1] = NULLCHAR;
14580 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14582 commentList[index] = (char *) malloc(len + 7);
14583 safeStrCpy(commentList[index], "{\n", 3);
14584 safeStrCpy(commentList[index]+2, text, len+1);
14585 commentList[index][len+2] = NULLCHAR;
14586 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14587 strcat(commentList[index], "\n}\n");
14601 if (ch == '\r') continue;
14603 } while (ch != '\0');
14607 AppendComment(index, text, addBraces)
14610 Boolean addBraces; // [HGM] braces: tells if we should add {}
14615 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14616 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14619 while (*text == '\n') text++;
14620 len = strlen(text);
14621 while (len > 0 && text[len - 1] == '\n') len--;
14623 if (len == 0) return;
14625 if (commentList[index] != NULL) {
14626 old = commentList[index];
14627 oldlen = strlen(old);
14628 while(commentList[index][oldlen-1] == '\n')
14629 commentList[index][--oldlen] = NULLCHAR;
14630 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14631 safeStrCpy(commentList[index], old, oldlen + len + 6);
14633 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14634 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14635 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14636 while (*text == '\n') { text++; len--; }
14637 commentList[index][--oldlen] = NULLCHAR;
14639 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14640 else strcat(commentList[index], "\n");
14641 strcat(commentList[index], text);
14642 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14643 else strcat(commentList[index], "\n");
14645 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14647 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14648 else commentList[index][0] = NULLCHAR;
14649 strcat(commentList[index], text);
14650 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14651 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14655 static char * FindStr( char * text, char * sub_text )
14657 char * result = strstr( text, sub_text );
14659 if( result != NULL ) {
14660 result += strlen( sub_text );
14666 /* [AS] Try to extract PV info from PGN comment */
14667 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14668 char *GetInfoFromComment( int index, char * text )
14670 char * sep = text, *p;
14672 if( text != NULL && index > 0 ) {
14675 int time = -1, sec = 0, deci;
14676 char * s_eval = FindStr( text, "[%eval " );
14677 char * s_emt = FindStr( text, "[%emt " );
14679 if( s_eval != NULL || s_emt != NULL ) {
14683 if( s_eval != NULL ) {
14684 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14688 if( delim != ']' ) {
14693 if( s_emt != NULL ) {
14698 /* We expect something like: [+|-]nnn.nn/dd */
14701 if(*text != '{') return text; // [HGM] braces: must be normal comment
14703 sep = strchr( text, '/' );
14704 if( sep == NULL || sep < (text+4) ) {
14709 if(p[1] == '(') { // comment starts with PV
14710 p = strchr(p, ')'); // locate end of PV
14711 if(p == NULL || sep < p+5) return text;
14712 // at this point we have something like "{(.*) +0.23/6 ..."
14713 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14714 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14715 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14717 time = -1; sec = -1; deci = -1;
14718 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14719 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14720 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14721 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14725 if( score_lo < 0 || score_lo >= 100 ) {
14729 if(sec >= 0) time = 600*time + 10*sec; else
14730 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14732 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14734 /* [HGM] PV time: now locate end of PV info */
14735 while( *++sep >= '0' && *sep <= '9'); // strip depth
14737 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14739 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14741 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14742 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
14753 pvInfoList[index-1].depth = depth;
14754 pvInfoList[index-1].score = score;
14755 pvInfoList[index-1].time = 10*time; // centi-sec
14756 if(*sep == '}') *sep = 0; else *--sep = '{';
14757 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14763 SendToProgram(message, cps)
14765 ChessProgramState *cps;
14767 int count, outCount, error;
14770 if (cps->pr == NULL) return;
14773 if (appData.debugMode) {
14776 fprintf(debugFP, "%ld >%-6s: %s",
14777 SubtractTimeMarks(&now, &programStartTime),
14778 cps->which, message);
14781 count = strlen(message);
14782 outCount = OutputToProcess(cps->pr, message, count, &error);
14783 if (outCount < count && !exiting
14784 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14785 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14786 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14787 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14788 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14789 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14790 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14791 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14793 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14794 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14795 gameInfo.result = res;
14797 gameInfo.resultDetails = StrSave(buf);
14799 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14800 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14805 ReceiveFromProgram(isr, closure, message, count, error)
14806 InputSourceRef isr;
14814 ChessProgramState *cps = (ChessProgramState *)closure;
14816 if (isr != cps->isr) return; /* Killed intentionally */
14819 RemoveInputSource(cps->isr);
14820 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14821 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14822 _(cps->which), cps->program);
14823 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14824 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14825 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14826 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14827 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14829 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14830 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14831 gameInfo.result = res;
14833 gameInfo.resultDetails = StrSave(buf);
14835 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14836 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14838 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14839 _(cps->which), cps->program);
14840 RemoveInputSource(cps->isr);
14842 /* [AS] Program is misbehaving badly... kill it */
14843 if( count == -2 ) {
14844 DestroyChildProcess( cps->pr, 9 );
14848 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14853 if ((end_str = strchr(message, '\r')) != NULL)
14854 *end_str = NULLCHAR;
14855 if ((end_str = strchr(message, '\n')) != NULL)
14856 *end_str = NULLCHAR;
14858 if (appData.debugMode) {
14859 TimeMark now; int print = 1;
14860 char *quote = ""; char c; int i;
14862 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14863 char start = message[0];
14864 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14865 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14866 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14867 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14868 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14869 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14870 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14871 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14872 sscanf(message, "hint: %c", &c)!=1 &&
14873 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14874 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14875 print = (appData.engineComments >= 2);
14877 message[0] = start; // restore original message
14881 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14882 SubtractTimeMarks(&now, &programStartTime), cps->which,
14888 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14889 if (appData.icsEngineAnalyze) {
14890 if (strstr(message, "whisper") != NULL ||
14891 strstr(message, "kibitz") != NULL ||
14892 strstr(message, "tellics") != NULL) return;
14895 HandleMachineMove(message, cps);
14900 SendTimeControl(cps, mps, tc, inc, sd, st)
14901 ChessProgramState *cps;
14902 int mps, inc, sd, st;
14908 if( timeControl_2 > 0 ) {
14909 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14910 tc = timeControl_2;
14913 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14914 inc /= cps->timeOdds;
14915 st /= cps->timeOdds;
14917 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14920 /* Set exact time per move, normally using st command */
14921 if (cps->stKludge) {
14922 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14924 if (seconds == 0) {
14925 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14927 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14930 snprintf(buf, MSG_SIZ, "st %d\n", st);
14933 /* Set conventional or incremental time control, using level command */
14934 if (seconds == 0) {
14935 /* Note old gnuchess bug -- minutes:seconds used to not work.
14936 Fixed in later versions, but still avoid :seconds
14937 when seconds is 0. */
14938 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14940 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14941 seconds, inc/1000.);
14944 SendToProgram(buf, cps);
14946 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14947 /* Orthogonally, limit search to given depth */
14949 if (cps->sdKludge) {
14950 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14952 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14954 SendToProgram(buf, cps);
14957 if(cps->nps >= 0) { /* [HGM] nps */
14958 if(cps->supportsNPS == FALSE)
14959 cps->nps = -1; // don't use if engine explicitly says not supported!
14961 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14962 SendToProgram(buf, cps);
14967 ChessProgramState *WhitePlayer()
14968 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14970 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14971 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14977 SendTimeRemaining(cps, machineWhite)
14978 ChessProgramState *cps;
14979 int /*boolean*/ machineWhite;
14981 char message[MSG_SIZ];
14984 /* Note: this routine must be called when the clocks are stopped
14985 or when they have *just* been set or switched; otherwise
14986 it will be off by the time since the current tick started.
14988 if (machineWhite) {
14989 time = whiteTimeRemaining / 10;
14990 otime = blackTimeRemaining / 10;
14992 time = blackTimeRemaining / 10;
14993 otime = whiteTimeRemaining / 10;
14995 /* [HGM] translate opponent's time by time-odds factor */
14996 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14997 if (appData.debugMode) {
14998 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15001 if (time <= 0) time = 1;
15002 if (otime <= 0) otime = 1;
15004 snprintf(message, MSG_SIZ, "time %ld\n", time);
15005 SendToProgram(message, cps);
15007 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15008 SendToProgram(message, cps);
15012 BoolFeature(p, name, loc, cps)
15016 ChessProgramState *cps;
15019 int len = strlen(name);
15022 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15024 sscanf(*p, "%d", &val);
15026 while (**p && **p != ' ')
15028 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15029 SendToProgram(buf, cps);
15036 IntFeature(p, name, loc, cps)
15040 ChessProgramState *cps;
15043 int len = strlen(name);
15044 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15046 sscanf(*p, "%d", loc);
15047 while (**p && **p != ' ') (*p)++;
15048 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15049 SendToProgram(buf, cps);
15056 StringFeature(p, name, loc, cps)
15060 ChessProgramState *cps;
15063 int len = strlen(name);
15064 if (strncmp((*p), name, len) == 0
15065 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15067 sscanf(*p, "%[^\"]", loc);
15068 while (**p && **p != '\"') (*p)++;
15069 if (**p == '\"') (*p)++;
15070 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15071 SendToProgram(buf, cps);
15078 ParseOption(Option *opt, ChessProgramState *cps)
15079 // [HGM] options: process the string that defines an engine option, and determine
15080 // name, type, default value, and allowed value range
15082 char *p, *q, buf[MSG_SIZ];
15083 int n, min = (-1)<<31, max = 1<<31, def;
15085 if(p = strstr(opt->name, " -spin ")) {
15086 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15087 if(max < min) max = min; // enforce consistency
15088 if(def < min) def = min;
15089 if(def > max) def = max;
15094 } else if((p = strstr(opt->name, " -slider "))) {
15095 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15096 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15097 if(max < min) max = min; // enforce consistency
15098 if(def < min) def = min;
15099 if(def > max) def = max;
15103 opt->type = Spin; // Slider;
15104 } else if((p = strstr(opt->name, " -string "))) {
15105 opt->textValue = p+9;
15106 opt->type = TextBox;
15107 } else if((p = strstr(opt->name, " -file "))) {
15108 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15109 opt->textValue = p+7;
15110 opt->type = FileName; // FileName;
15111 } else if((p = strstr(opt->name, " -path "))) {
15112 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15113 opt->textValue = p+7;
15114 opt->type = PathName; // PathName;
15115 } else if(p = strstr(opt->name, " -check ")) {
15116 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15117 opt->value = (def != 0);
15118 opt->type = CheckBox;
15119 } else if(p = strstr(opt->name, " -combo ")) {
15120 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15121 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15122 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15123 opt->value = n = 0;
15124 while(q = StrStr(q, " /// ")) {
15125 n++; *q = 0; // count choices, and null-terminate each of them
15127 if(*q == '*') { // remember default, which is marked with * prefix
15131 cps->comboList[cps->comboCnt++] = q;
15133 cps->comboList[cps->comboCnt++] = NULL;
15135 opt->type = ComboBox;
15136 } else if(p = strstr(opt->name, " -button")) {
15137 opt->type = Button;
15138 } else if(p = strstr(opt->name, " -save")) {
15139 opt->type = SaveButton;
15140 } else return FALSE;
15141 *p = 0; // terminate option name
15142 // now look if the command-line options define a setting for this engine option.
15143 if(cps->optionSettings && cps->optionSettings[0])
15144 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15145 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15146 snprintf(buf, MSG_SIZ, "option %s", p);
15147 if(p = strstr(buf, ",")) *p = 0;
15148 if(q = strchr(buf, '=')) switch(opt->type) {
15150 for(n=0; n<opt->max; n++)
15151 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15154 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15158 opt->value = atoi(q+1);
15163 SendToProgram(buf, cps);
15169 FeatureDone(cps, val)
15170 ChessProgramState* cps;
15173 DelayedEventCallback cb = GetDelayedEvent();
15174 if ((cb == InitBackEnd3 && cps == &first) ||
15175 (cb == SettingsMenuIfReady && cps == &second) ||
15176 (cb == LoadEngine) ||
15177 (cb == TwoMachinesEventIfReady)) {
15178 CancelDelayedEvent();
15179 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15181 cps->initDone = val;
15184 /* Parse feature command from engine */
15186 ParseFeatures(args, cps)
15188 ChessProgramState *cps;
15196 while (*p == ' ') p++;
15197 if (*p == NULLCHAR) return;
15199 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15200 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15201 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15202 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15203 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15204 if (BoolFeature(&p, "reuse", &val, cps)) {
15205 /* Engine can disable reuse, but can't enable it if user said no */
15206 if (!val) cps->reuse = FALSE;
15209 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15210 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15211 if (gameMode == TwoMachinesPlay) {
15212 DisplayTwoMachinesTitle();
15218 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15219 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15220 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15221 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15222 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15223 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15224 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15225 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15226 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15227 if (IntFeature(&p, "done", &val, cps)) {
15228 FeatureDone(cps, val);
15231 /* Added by Tord: */
15232 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15233 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15234 /* End of additions by Tord */
15236 /* [HGM] added features: */
15237 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15238 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15239 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15240 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15241 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15242 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15243 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15244 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15245 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15246 SendToProgram(buf, cps);
15249 if(cps->nrOptions >= MAX_OPTIONS) {
15251 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15252 DisplayError(buf, 0);
15256 /* End of additions by HGM */
15258 /* unknown feature: complain and skip */
15260 while (*q && *q != '=') q++;
15261 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15262 SendToProgram(buf, cps);
15268 while (*p && *p != '\"') p++;
15269 if (*p == '\"') p++;
15271 while (*p && *p != ' ') p++;
15279 PeriodicUpdatesEvent(newState)
15282 if (newState == appData.periodicUpdates)
15285 appData.periodicUpdates=newState;
15287 /* Display type changes, so update it now */
15288 // DisplayAnalysis();
15290 /* Get the ball rolling again... */
15292 AnalysisPeriodicEvent(1);
15293 StartAnalysisClock();
15298 PonderNextMoveEvent(newState)
15301 if (newState == appData.ponderNextMove) return;
15302 if (gameMode == EditPosition) EditPositionDone(TRUE);
15304 SendToProgram("hard\n", &first);
15305 if (gameMode == TwoMachinesPlay) {
15306 SendToProgram("hard\n", &second);
15309 SendToProgram("easy\n", &first);
15310 thinkOutput[0] = NULLCHAR;
15311 if (gameMode == TwoMachinesPlay) {
15312 SendToProgram("easy\n", &second);
15315 appData.ponderNextMove = newState;
15319 NewSettingEvent(option, feature, command, value)
15321 int option, value, *feature;
15325 if (gameMode == EditPosition) EditPositionDone(TRUE);
15326 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15327 if(feature == NULL || *feature) SendToProgram(buf, &first);
15328 if (gameMode == TwoMachinesPlay) {
15329 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15334 ShowThinkingEvent()
15335 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15337 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15338 int newState = appData.showThinking
15339 // [HGM] thinking: other features now need thinking output as well
15340 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15342 if (oldState == newState) return;
15343 oldState = newState;
15344 if (gameMode == EditPosition) EditPositionDone(TRUE);
15346 SendToProgram("post\n", &first);
15347 if (gameMode == TwoMachinesPlay) {
15348 SendToProgram("post\n", &second);
15351 SendToProgram("nopost\n", &first);
15352 thinkOutput[0] = NULLCHAR;
15353 if (gameMode == TwoMachinesPlay) {
15354 SendToProgram("nopost\n", &second);
15357 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15361 AskQuestionEvent(title, question, replyPrefix, which)
15362 char *title; char *question; char *replyPrefix; char *which;
15364 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15365 if (pr == NoProc) return;
15366 AskQuestion(title, question, replyPrefix, pr);
15370 TypeInEvent(char firstChar)
15372 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15373 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15374 gameMode == AnalyzeMode || gameMode == EditGame ||
15375 gameMode == EditPosition || gameMode == IcsExamining ||
15376 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15377 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15378 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15379 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15380 gameMode == Training) PopUpMoveDialog(firstChar);
15384 TypeInDoneEvent(char *move)
15387 int n, fromX, fromY, toX, toY;
15389 ChessMove moveType;
15392 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15393 EditPositionPasteFEN(move);
15396 // [HGM] movenum: allow move number to be typed in any mode
15397 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15402 if (gameMode != EditGame && currentMove != forwardMostMove &&
15403 gameMode != Training) {
15404 DisplayMoveError(_("Displayed move is not current"));
15406 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15407 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15408 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15409 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15410 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15411 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15413 DisplayMoveError(_("Could not parse move"));
15419 DisplayMove(moveNumber)
15422 char message[MSG_SIZ];
15424 char cpThinkOutput[MSG_SIZ];
15426 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15428 if (moveNumber == forwardMostMove - 1 ||
15429 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15431 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15433 if (strchr(cpThinkOutput, '\n')) {
15434 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15437 *cpThinkOutput = NULLCHAR;
15440 /* [AS] Hide thinking from human user */
15441 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15442 *cpThinkOutput = NULLCHAR;
15443 if( thinkOutput[0] != NULLCHAR ) {
15446 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15447 cpThinkOutput[i] = '.';
15449 cpThinkOutput[i] = NULLCHAR;
15450 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15454 if (moveNumber == forwardMostMove - 1 &&
15455 gameInfo.resultDetails != NULL) {
15456 if (gameInfo.resultDetails[0] == NULLCHAR) {
15457 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15459 snprintf(res, MSG_SIZ, " {%s} %s",
15460 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15466 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15467 DisplayMessage(res, cpThinkOutput);
15469 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15470 WhiteOnMove(moveNumber) ? " " : ".. ",
15471 parseList[moveNumber], res);
15472 DisplayMessage(message, cpThinkOutput);
15477 DisplayComment(moveNumber, text)
15481 char title[MSG_SIZ];
15483 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15484 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15486 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15487 WhiteOnMove(moveNumber) ? " " : ".. ",
15488 parseList[moveNumber]);
15490 if (text != NULL && (appData.autoDisplayComment || commentUp))
15491 CommentPopUp(title, text);
15494 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15495 * might be busy thinking or pondering. It can be omitted if your
15496 * gnuchess is configured to stop thinking immediately on any user
15497 * input. However, that gnuchess feature depends on the FIONREAD
15498 * ioctl, which does not work properly on some flavors of Unix.
15502 ChessProgramState *cps;
15505 if (!cps->useSigint) return;
15506 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15507 switch (gameMode) {
15508 case MachinePlaysWhite:
15509 case MachinePlaysBlack:
15510 case TwoMachinesPlay:
15511 case IcsPlayingWhite:
15512 case IcsPlayingBlack:
15515 /* Skip if we know it isn't thinking */
15516 if (!cps->maybeThinking) return;
15517 if (appData.debugMode)
15518 fprintf(debugFP, "Interrupting %s\n", cps->which);
15519 InterruptChildProcess(cps->pr);
15520 cps->maybeThinking = FALSE;
15525 #endif /*ATTENTION*/
15531 if (whiteTimeRemaining <= 0) {
15534 if (appData.icsActive) {
15535 if (appData.autoCallFlag &&
15536 gameMode == IcsPlayingBlack && !blackFlag) {
15537 SendToICS(ics_prefix);
15538 SendToICS("flag\n");
15542 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15544 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15545 if (appData.autoCallFlag) {
15546 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15553 if (blackTimeRemaining <= 0) {
15556 if (appData.icsActive) {
15557 if (appData.autoCallFlag &&
15558 gameMode == IcsPlayingWhite && !whiteFlag) {
15559 SendToICS(ics_prefix);
15560 SendToICS("flag\n");
15564 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15566 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15567 if (appData.autoCallFlag) {
15568 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15581 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15582 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15585 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15587 if ( !WhiteOnMove(forwardMostMove) ) {
15588 /* White made time control */
15589 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15590 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15591 /* [HGM] time odds: correct new time quota for time odds! */
15592 / WhitePlayer()->timeOdds;
15593 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15595 lastBlack -= blackTimeRemaining;
15596 /* Black made time control */
15597 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15598 / WhitePlayer()->other->timeOdds;
15599 lastWhite = whiteTimeRemaining;
15604 DisplayBothClocks()
15606 int wom = gameMode == EditPosition ?
15607 !blackPlaysFirst : WhiteOnMove(currentMove);
15608 DisplayWhiteClock(whiteTimeRemaining, wom);
15609 DisplayBlackClock(blackTimeRemaining, !wom);
15613 /* Timekeeping seems to be a portability nightmare. I think everyone
15614 has ftime(), but I'm really not sure, so I'm including some ifdefs
15615 to use other calls if you don't. Clocks will be less accurate if
15616 you have neither ftime nor gettimeofday.
15619 /* VS 2008 requires the #include outside of the function */
15620 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15621 #include <sys/timeb.h>
15624 /* Get the current time as a TimeMark */
15629 #if HAVE_GETTIMEOFDAY
15631 struct timeval timeVal;
15632 struct timezone timeZone;
15634 gettimeofday(&timeVal, &timeZone);
15635 tm->sec = (long) timeVal.tv_sec;
15636 tm->ms = (int) (timeVal.tv_usec / 1000L);
15638 #else /*!HAVE_GETTIMEOFDAY*/
15641 // include <sys/timeb.h> / moved to just above start of function
15642 struct timeb timeB;
15645 tm->sec = (long) timeB.time;
15646 tm->ms = (int) timeB.millitm;
15648 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15649 tm->sec = (long) time(NULL);
15655 /* Return the difference in milliseconds between two
15656 time marks. We assume the difference will fit in a long!
15659 SubtractTimeMarks(tm2, tm1)
15660 TimeMark *tm2, *tm1;
15662 return 1000L*(tm2->sec - tm1->sec) +
15663 (long) (tm2->ms - tm1->ms);
15668 * Code to manage the game clocks.
15670 * In tournament play, black starts the clock and then white makes a move.
15671 * We give the human user a slight advantage if he is playing white---the
15672 * clocks don't run until he makes his first move, so it takes zero time.
15673 * Also, we don't account for network lag, so we could get out of sync
15674 * with GNU Chess's clock -- but then, referees are always right.
15677 static TimeMark tickStartTM;
15678 static long intendedTickLength;
15681 NextTickLength(timeRemaining)
15682 long timeRemaining;
15684 long nominalTickLength, nextTickLength;
15686 if (timeRemaining > 0L && timeRemaining <= 10000L)
15687 nominalTickLength = 100L;
15689 nominalTickLength = 1000L;
15690 nextTickLength = timeRemaining % nominalTickLength;
15691 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15693 return nextTickLength;
15696 /* Adjust clock one minute up or down */
15698 AdjustClock(Boolean which, int dir)
15700 if(which) blackTimeRemaining += 60000*dir;
15701 else whiteTimeRemaining += 60000*dir;
15702 DisplayBothClocks();
15705 /* Stop clocks and reset to a fresh time control */
15709 (void) StopClockTimer();
15710 if (appData.icsActive) {
15711 whiteTimeRemaining = blackTimeRemaining = 0;
15712 } else if (searchTime) {
15713 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15714 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15715 } else { /* [HGM] correct new time quote for time odds */
15716 whiteTC = blackTC = fullTimeControlString;
15717 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15718 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15720 if (whiteFlag || blackFlag) {
15722 whiteFlag = blackFlag = FALSE;
15724 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15725 DisplayBothClocks();
15728 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15730 /* Decrement running clock by amount of time that has passed */
15734 long timeRemaining;
15735 long lastTickLength, fudge;
15738 if (!appData.clockMode) return;
15739 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15743 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15745 /* Fudge if we woke up a little too soon */
15746 fudge = intendedTickLength - lastTickLength;
15747 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15749 if (WhiteOnMove(forwardMostMove)) {
15750 if(whiteNPS >= 0) lastTickLength = 0;
15751 timeRemaining = whiteTimeRemaining -= lastTickLength;
15752 if(timeRemaining < 0 && !appData.icsActive) {
15753 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15754 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15755 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15756 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15759 DisplayWhiteClock(whiteTimeRemaining - fudge,
15760 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15762 if(blackNPS >= 0) lastTickLength = 0;
15763 timeRemaining = blackTimeRemaining -= lastTickLength;
15764 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15765 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15767 blackStartMove = forwardMostMove;
15768 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15771 DisplayBlackClock(blackTimeRemaining - fudge,
15772 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15774 if (CheckFlags()) return;
15777 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15778 StartClockTimer(intendedTickLength);
15780 /* if the time remaining has fallen below the alarm threshold, sound the
15781 * alarm. if the alarm has sounded and (due to a takeback or time control
15782 * with increment) the time remaining has increased to a level above the
15783 * threshold, reset the alarm so it can sound again.
15786 if (appData.icsActive && appData.icsAlarm) {
15788 /* make sure we are dealing with the user's clock */
15789 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15790 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15793 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15794 alarmSounded = FALSE;
15795 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15797 alarmSounded = TRUE;
15803 /* A player has just moved, so stop the previously running
15804 clock and (if in clock mode) start the other one.
15805 We redisplay both clocks in case we're in ICS mode, because
15806 ICS gives us an update to both clocks after every move.
15807 Note that this routine is called *after* forwardMostMove
15808 is updated, so the last fractional tick must be subtracted
15809 from the color that is *not* on move now.
15812 SwitchClocks(int newMoveNr)
15814 long lastTickLength;
15816 int flagged = FALSE;
15820 if (StopClockTimer() && appData.clockMode) {
15821 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15822 if (!WhiteOnMove(forwardMostMove)) {
15823 if(blackNPS >= 0) lastTickLength = 0;
15824 blackTimeRemaining -= lastTickLength;
15825 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15826 // if(pvInfoList[forwardMostMove].time == -1)
15827 pvInfoList[forwardMostMove].time = // use GUI time
15828 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15830 if(whiteNPS >= 0) lastTickLength = 0;
15831 whiteTimeRemaining -= lastTickLength;
15832 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15833 // if(pvInfoList[forwardMostMove].time == -1)
15834 pvInfoList[forwardMostMove].time =
15835 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15837 flagged = CheckFlags();
15839 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15840 CheckTimeControl();
15842 if (flagged || !appData.clockMode) return;
15844 switch (gameMode) {
15845 case MachinePlaysBlack:
15846 case MachinePlaysWhite:
15847 case BeginningOfGame:
15848 if (pausing) return;
15852 case PlayFromGameFile:
15860 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15861 if(WhiteOnMove(forwardMostMove))
15862 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15863 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15867 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15868 whiteTimeRemaining : blackTimeRemaining);
15869 StartClockTimer(intendedTickLength);
15873 /* Stop both clocks */
15877 long lastTickLength;
15880 if (!StopClockTimer()) return;
15881 if (!appData.clockMode) return;
15885 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15886 if (WhiteOnMove(forwardMostMove)) {
15887 if(whiteNPS >= 0) lastTickLength = 0;
15888 whiteTimeRemaining -= lastTickLength;
15889 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15891 if(blackNPS >= 0) lastTickLength = 0;
15892 blackTimeRemaining -= lastTickLength;
15893 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15898 /* Start clock of player on move. Time may have been reset, so
15899 if clock is already running, stop and restart it. */
15903 (void) StopClockTimer(); /* in case it was running already */
15904 DisplayBothClocks();
15905 if (CheckFlags()) return;
15907 if (!appData.clockMode) return;
15908 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15910 GetTimeMark(&tickStartTM);
15911 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15912 whiteTimeRemaining : blackTimeRemaining);
15914 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15915 whiteNPS = blackNPS = -1;
15916 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15917 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15918 whiteNPS = first.nps;
15919 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15920 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15921 blackNPS = first.nps;
15922 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15923 whiteNPS = second.nps;
15924 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15925 blackNPS = second.nps;
15926 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15928 StartClockTimer(intendedTickLength);
15935 long second, minute, hour, day;
15937 static char buf[32];
15939 if (ms > 0 && ms <= 9900) {
15940 /* convert milliseconds to tenths, rounding up */
15941 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15943 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15947 /* convert milliseconds to seconds, rounding up */
15948 /* use floating point to avoid strangeness of integer division
15949 with negative dividends on many machines */
15950 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15957 day = second / (60 * 60 * 24);
15958 second = second % (60 * 60 * 24);
15959 hour = second / (60 * 60);
15960 second = second % (60 * 60);
15961 minute = second / 60;
15962 second = second % 60;
15965 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15966 sign, day, hour, minute, second);
15968 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15970 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15977 * This is necessary because some C libraries aren't ANSI C compliant yet.
15980 StrStr(string, match)
15981 char *string, *match;
15985 length = strlen(match);
15987 for (i = strlen(string) - length; i >= 0; i--, string++)
15988 if (!strncmp(match, string, length))
15995 StrCaseStr(string, match)
15996 char *string, *match;
16000 length = strlen(match);
16002 for (i = strlen(string) - length; i >= 0; i--, string++) {
16003 for (j = 0; j < length; j++) {
16004 if (ToLower(match[j]) != ToLower(string[j]))
16007 if (j == length) return string;
16021 c1 = ToLower(*s1++);
16022 c2 = ToLower(*s2++);
16023 if (c1 > c2) return 1;
16024 if (c1 < c2) return -1;
16025 if (c1 == NULLCHAR) return 0;
16034 return isupper(c) ? tolower(c) : c;
16042 return islower(c) ? toupper(c) : c;
16044 #endif /* !_amigados */
16052 if ((ret = (char *) malloc(strlen(s) + 1)))
16054 safeStrCpy(ret, s, strlen(s)+1);
16060 StrSavePtr(s, savePtr)
16061 char *s, **savePtr;
16066 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16067 safeStrCpy(*savePtr, s, strlen(s)+1);
16079 clock = time((time_t *)NULL);
16080 tm = localtime(&clock);
16081 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16082 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16083 return StrSave(buf);
16088 PositionToFEN(move, overrideCastling)
16090 char *overrideCastling;
16092 int i, j, fromX, fromY, toX, toY;
16099 whiteToPlay = (gameMode == EditPosition) ?
16100 !blackPlaysFirst : (move % 2 == 0);
16103 /* Piece placement data */
16104 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16105 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16107 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16108 if (boards[move][i][j] == EmptySquare) {
16110 } else { ChessSquare piece = boards[move][i][j];
16111 if (emptycount > 0) {
16112 if(emptycount<10) /* [HGM] can be >= 10 */
16113 *p++ = '0' + emptycount;
16114 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16117 if(PieceToChar(piece) == '+') {
16118 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16120 piece = (ChessSquare)(DEMOTED piece);
16122 *p++ = PieceToChar(piece);
16124 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16125 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16130 if (emptycount > 0) {
16131 if(emptycount<10) /* [HGM] can be >= 10 */
16132 *p++ = '0' + emptycount;
16133 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16140 /* [HGM] print Crazyhouse or Shogi holdings */
16141 if( gameInfo.holdingsWidth ) {
16142 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16144 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16145 piece = boards[move][i][BOARD_WIDTH-1];
16146 if( piece != EmptySquare )
16147 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16148 *p++ = PieceToChar(piece);
16150 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16151 piece = boards[move][BOARD_HEIGHT-i-1][0];
16152 if( piece != EmptySquare )
16153 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16154 *p++ = PieceToChar(piece);
16157 if( q == p ) *p++ = '-';
16163 *p++ = whiteToPlay ? 'w' : 'b';
16166 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16167 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16169 if(nrCastlingRights) {
16171 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16172 /* [HGM] write directly from rights */
16173 if(boards[move][CASTLING][2] != NoRights &&
16174 boards[move][CASTLING][0] != NoRights )
16175 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16176 if(boards[move][CASTLING][2] != NoRights &&
16177 boards[move][CASTLING][1] != NoRights )
16178 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16179 if(boards[move][CASTLING][5] != NoRights &&
16180 boards[move][CASTLING][3] != NoRights )
16181 *p++ = boards[move][CASTLING][3] + AAA;
16182 if(boards[move][CASTLING][5] != NoRights &&
16183 boards[move][CASTLING][4] != NoRights )
16184 *p++ = boards[move][CASTLING][4] + AAA;
16187 /* [HGM] write true castling rights */
16188 if( nrCastlingRights == 6 ) {
16189 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16190 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16191 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16192 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16193 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16194 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16195 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16196 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16199 if (q == p) *p++ = '-'; /* No castling rights */
16203 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16204 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16205 /* En passant target square */
16206 if (move > backwardMostMove) {
16207 fromX = moveList[move - 1][0] - AAA;
16208 fromY = moveList[move - 1][1] - ONE;
16209 toX = moveList[move - 1][2] - AAA;
16210 toY = moveList[move - 1][3] - ONE;
16211 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16212 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16213 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16215 /* 2-square pawn move just happened */
16217 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16221 } else if(move == backwardMostMove) {
16222 // [HGM] perhaps we should always do it like this, and forget the above?
16223 if((signed char)boards[move][EP_STATUS] >= 0) {
16224 *p++ = boards[move][EP_STATUS] + AAA;
16225 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16236 /* [HGM] find reversible plies */
16237 { int i = 0, j=move;
16239 if (appData.debugMode) { int k;
16240 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16241 for(k=backwardMostMove; k<=forwardMostMove; k++)
16242 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16246 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16247 if( j == backwardMostMove ) i += initialRulePlies;
16248 sprintf(p, "%d ", i);
16249 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16251 /* Fullmove number */
16252 sprintf(p, "%d", (move / 2) + 1);
16254 return StrSave(buf);
16258 ParseFEN(board, blackPlaysFirst, fen)
16260 int *blackPlaysFirst;
16270 /* [HGM] by default clear Crazyhouse holdings, if present */
16271 if(gameInfo.holdingsWidth) {
16272 for(i=0; i<BOARD_HEIGHT; i++) {
16273 board[i][0] = EmptySquare; /* black holdings */
16274 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16275 board[i][1] = (ChessSquare) 0; /* black counts */
16276 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16280 /* Piece placement data */
16281 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16284 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16285 if (*p == '/') p++;
16286 emptycount = gameInfo.boardWidth - j;
16287 while (emptycount--)
16288 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16290 #if(BOARD_FILES >= 10)
16291 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16292 p++; emptycount=10;
16293 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16294 while (emptycount--)
16295 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16297 } else if (isdigit(*p)) {
16298 emptycount = *p++ - '0';
16299 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16300 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16301 while (emptycount--)
16302 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16303 } else if (*p == '+' || isalpha(*p)) {
16304 if (j >= gameInfo.boardWidth) return FALSE;
16306 piece = CharToPiece(*++p);
16307 if(piece == EmptySquare) return FALSE; /* unknown piece */
16308 piece = (ChessSquare) (PROMOTED piece ); p++;
16309 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16310 } else piece = CharToPiece(*p++);
16312 if(piece==EmptySquare) return FALSE; /* unknown piece */
16313 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16314 piece = (ChessSquare) (PROMOTED piece);
16315 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16318 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16324 while (*p == '/' || *p == ' ') p++;
16326 /* [HGM] look for Crazyhouse holdings here */
16327 while(*p==' ') p++;
16328 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16330 if(*p == '-' ) p++; /* empty holdings */ else {
16331 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16332 /* if we would allow FEN reading to set board size, we would */
16333 /* have to add holdings and shift the board read so far here */
16334 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16336 if((int) piece >= (int) BlackPawn ) {
16337 i = (int)piece - (int)BlackPawn;
16338 i = PieceToNumber((ChessSquare)i);
16339 if( i >= gameInfo.holdingsSize ) return FALSE;
16340 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16341 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16343 i = (int)piece - (int)WhitePawn;
16344 i = PieceToNumber((ChessSquare)i);
16345 if( i >= gameInfo.holdingsSize ) return FALSE;
16346 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16347 board[i][BOARD_WIDTH-2]++; /* black holdings */
16354 while(*p == ' ') p++;
16358 if(appData.colorNickNames) {
16359 if( c == appData.colorNickNames[0] ) c = 'w'; else
16360 if( c == appData.colorNickNames[1] ) c = 'b';
16364 *blackPlaysFirst = FALSE;
16367 *blackPlaysFirst = TRUE;
16373 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16374 /* return the extra info in global variiables */
16376 /* set defaults in case FEN is incomplete */
16377 board[EP_STATUS] = EP_UNKNOWN;
16378 for(i=0; i<nrCastlingRights; i++ ) {
16379 board[CASTLING][i] =
16380 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16381 } /* assume possible unless obviously impossible */
16382 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16383 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16384 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16385 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16386 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16387 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16388 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16389 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16392 while(*p==' ') p++;
16393 if(nrCastlingRights) {
16394 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16395 /* castling indicator present, so default becomes no castlings */
16396 for(i=0; i<nrCastlingRights; i++ ) {
16397 board[CASTLING][i] = NoRights;
16400 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16401 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16402 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16403 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16404 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16406 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16407 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16408 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16410 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16411 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16412 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16413 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16414 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16415 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16418 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16419 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16420 board[CASTLING][2] = whiteKingFile;
16423 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16424 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16425 board[CASTLING][2] = whiteKingFile;
16428 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16429 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16430 board[CASTLING][5] = blackKingFile;
16433 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16434 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16435 board[CASTLING][5] = blackKingFile;
16438 default: /* FRC castlings */
16439 if(c >= 'a') { /* black rights */
16440 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16441 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16442 if(i == BOARD_RGHT) break;
16443 board[CASTLING][5] = i;
16445 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16446 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16448 board[CASTLING][3] = c;
16450 board[CASTLING][4] = c;
16451 } else { /* white rights */
16452 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16453 if(board[0][i] == WhiteKing) break;
16454 if(i == BOARD_RGHT) break;
16455 board[CASTLING][2] = i;
16456 c -= AAA - 'a' + 'A';
16457 if(board[0][c] >= WhiteKing) break;
16459 board[CASTLING][0] = c;
16461 board[CASTLING][1] = c;
16465 for(i=0; i<nrCastlingRights; i++)
16466 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16467 if (appData.debugMode) {
16468 fprintf(debugFP, "FEN castling rights:");
16469 for(i=0; i<nrCastlingRights; i++)
16470 fprintf(debugFP, " %d", board[CASTLING][i]);
16471 fprintf(debugFP, "\n");
16474 while(*p==' ') p++;
16477 /* read e.p. field in games that know e.p. capture */
16478 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16479 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16481 p++; board[EP_STATUS] = EP_NONE;
16483 char c = *p++ - AAA;
16485 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16486 if(*p >= '0' && *p <='9') p++;
16487 board[EP_STATUS] = c;
16492 if(sscanf(p, "%d", &i) == 1) {
16493 FENrulePlies = i; /* 50-move ply counter */
16494 /* (The move number is still ignored) */
16501 EditPositionPasteFEN(char *fen)
16504 Board initial_position;
16506 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16507 DisplayError(_("Bad FEN position in clipboard"), 0);
16510 int savedBlackPlaysFirst = blackPlaysFirst;
16511 EditPositionEvent();
16512 blackPlaysFirst = savedBlackPlaysFirst;
16513 CopyBoard(boards[0], initial_position);
16514 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16515 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16516 DisplayBothClocks();
16517 DrawPosition(FALSE, boards[currentMove]);
16522 static char cseq[12] = "\\ ";
16524 Boolean set_cont_sequence(char *new_seq)
16529 // handle bad attempts to set the sequence
16531 return 0; // acceptable error - no debug
16533 len = strlen(new_seq);
16534 ret = (len > 0) && (len < sizeof(cseq));
16536 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16537 else if (appData.debugMode)
16538 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16543 reformat a source message so words don't cross the width boundary. internal
16544 newlines are not removed. returns the wrapped size (no null character unless
16545 included in source message). If dest is NULL, only calculate the size required
16546 for the dest buffer. lp argument indicats line position upon entry, and it's
16547 passed back upon exit.
16549 int wrap(char *dest, char *src, int count, int width, int *lp)
16551 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16553 cseq_len = strlen(cseq);
16554 old_line = line = *lp;
16555 ansi = len = clen = 0;
16557 for (i=0; i < count; i++)
16559 if (src[i] == '\033')
16562 // if we hit the width, back up
16563 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16565 // store i & len in case the word is too long
16566 old_i = i, old_len = len;
16568 // find the end of the last word
16569 while (i && src[i] != ' ' && src[i] != '\n')
16575 // word too long? restore i & len before splitting it
16576 if ((old_i-i+clen) >= width)
16583 if (i && src[i-1] == ' ')
16586 if (src[i] != ' ' && src[i] != '\n')
16593 // now append the newline and continuation sequence
16598 strncpy(dest+len, cseq, cseq_len);
16606 dest[len] = src[i];
16610 if (src[i] == '\n')
16615 if (dest && appData.debugMode)
16617 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16618 count, width, line, len, *lp);
16619 show_bytes(debugFP, src, count);
16620 fprintf(debugFP, "\ndest: ");
16621 show_bytes(debugFP, dest, len);
16622 fprintf(debugFP, "\n");
16624 *lp = dest ? line : old_line;
16629 // [HGM] vari: routines for shelving variations
16630 Boolean modeRestore = FALSE;
16633 PushInner(int firstMove, int lastMove)
16635 int i, j, nrMoves = lastMove - firstMove;
16637 // push current tail of game on stack
16638 savedResult[storedGames] = gameInfo.result;
16639 savedDetails[storedGames] = gameInfo.resultDetails;
16640 gameInfo.resultDetails = NULL;
16641 savedFirst[storedGames] = firstMove;
16642 savedLast [storedGames] = lastMove;
16643 savedFramePtr[storedGames] = framePtr;
16644 framePtr -= nrMoves; // reserve space for the boards
16645 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16646 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16647 for(j=0; j<MOVE_LEN; j++)
16648 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16649 for(j=0; j<2*MOVE_LEN; j++)
16650 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16651 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16652 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16653 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16654 pvInfoList[firstMove+i-1].depth = 0;
16655 commentList[framePtr+i] = commentList[firstMove+i];
16656 commentList[firstMove+i] = NULL;
16660 forwardMostMove = firstMove; // truncate game so we can start variation
16664 PushTail(int firstMove, int lastMove)
16666 if(appData.icsActive) { // only in local mode
16667 forwardMostMove = currentMove; // mimic old ICS behavior
16670 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16672 PushInner(firstMove, lastMove);
16673 if(storedGames == 1) GreyRevert(FALSE);
16674 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16678 PopInner(Boolean annotate)
16681 char buf[8000], moveBuf[20];
16683 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16684 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16685 nrMoves = savedLast[storedGames] - currentMove;
16688 if(!WhiteOnMove(currentMove))
16689 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16690 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16691 for(i=currentMove; i<forwardMostMove; i++) {
16693 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16694 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16695 strcat(buf, moveBuf);
16696 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16697 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16701 for(i=1; i<=nrMoves; i++) { // copy last variation back
16702 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16703 for(j=0; j<MOVE_LEN; j++)
16704 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16705 for(j=0; j<2*MOVE_LEN; j++)
16706 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16707 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16708 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16709 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16710 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16711 commentList[currentMove+i] = commentList[framePtr+i];
16712 commentList[framePtr+i] = NULL;
16714 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16715 framePtr = savedFramePtr[storedGames];
16716 gameInfo.result = savedResult[storedGames];
16717 if(gameInfo.resultDetails != NULL) {
16718 free(gameInfo.resultDetails);
16720 gameInfo.resultDetails = savedDetails[storedGames];
16721 forwardMostMove = currentMove + nrMoves;
16725 PopTail(Boolean annotate)
16727 if(appData.icsActive) return FALSE; // only in local mode
16728 if(!storedGames) return FALSE; // sanity
16729 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16731 PopInner(annotate);
16732 if(currentMove < forwardMostMove) ForwardEvent(); else
16733 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16735 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16741 { // remove all shelved variations
16743 for(i=0; i<storedGames; i++) {
16744 if(savedDetails[i])
16745 free(savedDetails[i]);
16746 savedDetails[i] = NULL;
16748 for(i=framePtr; i<MAX_MOVES; i++) {
16749 if(commentList[i]) free(commentList[i]);
16750 commentList[i] = NULL;
16752 framePtr = MAX_MOVES-1;
16757 LoadVariation(int index, char *text)
16758 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16759 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16760 int level = 0, move;
16762 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16763 // first find outermost bracketing variation
16764 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16765 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16766 if(*p == '{') wait = '}'; else
16767 if(*p == '[') wait = ']'; else
16768 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16769 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16771 if(*p == wait) wait = NULLCHAR; // closing ]} found
16774 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16775 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16776 end[1] = NULLCHAR; // clip off comment beyond variation
16777 ToNrEvent(currentMove-1);
16778 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16779 // kludge: use ParsePV() to append variation to game
16780 move = currentMove;
16781 ParsePV(start, TRUE, TRUE);
16782 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16783 ClearPremoveHighlights();
16785 ToNrEvent(currentMove+1);