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 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void ics_printf P((char *format, ...));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
227 extern void ConsoleCreate();
230 ChessProgramState *WhitePlayer();
231 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
232 int VerifyDisplayMode P(());
234 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
235 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
236 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
237 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
238 void ics_update_width P((int new_width));
239 extern char installDir[MSG_SIZ];
240 VariantClass startVariant; /* [HGM] nicks: initial variant */
243 extern int tinyLayout, smallLayout;
244 ChessProgramStats programStats;
245 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
247 static int exiting = 0; /* [HGM] moved to top */
248 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
249 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
250 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
251 int partnerHighlight[2];
252 Boolean partnerBoardValid = 0;
253 char partnerStatus[MSG_SIZ];
255 Boolean originalFlip;
256 Boolean twoBoards = 0;
257 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
258 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
259 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
260 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
261 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
262 int opponentKibitzes;
263 int lastSavedGame; /* [HGM] save: ID of game */
264 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
265 extern int chatCount;
267 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
268 char lastMsg[MSG_SIZ];
269 ChessSquare pieceSweep = EmptySquare;
270 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
271 int promoDefaultAltered;
273 /* States for ics_getting_history */
275 #define H_REQUESTED 1
276 #define H_GOT_REQ_HEADER 2
277 #define H_GOT_UNREQ_HEADER 3
278 #define H_GETTING_MOVES 4
279 #define H_GOT_UNWANTED_HEADER 5
281 /* whosays values for GameEnds */
290 /* Maximum number of games in a cmail message */
291 #define CMAIL_MAX_GAMES 20
293 /* Different types of move when calling RegisterMove */
295 #define CMAIL_RESIGN 1
297 #define CMAIL_ACCEPT 3
299 /* Different types of result to remember for each game */
300 #define CMAIL_NOT_RESULT 0
301 #define CMAIL_OLD_RESULT 1
302 #define CMAIL_NEW_RESULT 2
304 /* Telnet protocol constants */
315 safeStrCpy( char *dst, const char *src, size_t count )
318 assert( dst != NULL );
319 assert( src != NULL );
322 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
323 if( i == count && dst[count-1] != NULLCHAR)
325 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
326 if(appData.debugMode)
327 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
333 /* Some compiler can't cast u64 to double
334 * This function do the job for us:
336 * We use the highest bit for cast, this only
337 * works if the highest bit is not
338 * in use (This should not happen)
340 * We used this for all compiler
343 u64ToDouble(u64 value)
346 u64 tmp = value & u64Const(0x7fffffffffffffff);
347 r = (double)(s64)tmp;
348 if (value & u64Const(0x8000000000000000))
349 r += 9.2233720368547758080e18; /* 2^63 */
353 /* Fake up flags for now, as we aren't keeping track of castling
354 availability yet. [HGM] Change of logic: the flag now only
355 indicates the type of castlings allowed by the rule of the game.
356 The actual rights themselves are maintained in the array
357 castlingRights, as part of the game history, and are not probed
363 int flags = F_ALL_CASTLE_OK;
364 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
365 switch (gameInfo.variant) {
367 flags &= ~F_ALL_CASTLE_OK;
368 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
369 flags |= F_IGNORE_CHECK;
371 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
374 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
376 case VariantKriegspiel:
377 flags |= F_KRIEGSPIEL_CAPTURE;
379 case VariantCapaRandom:
380 case VariantFischeRandom:
381 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
382 case VariantNoCastle:
383 case VariantShatranj:
387 flags &= ~F_ALL_CASTLE_OK;
395 FILE *gameFileFP, *debugFP;
398 [AS] Note: sometimes, the sscanf() function is used to parse the input
399 into a fixed-size buffer. Because of this, we must be prepared to
400 receive strings as long as the size of the input buffer, which is currently
401 set to 4K for Windows and 8K for the rest.
402 So, we must either allocate sufficiently large buffers here, or
403 reduce the size of the input buffer in the input reading part.
406 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
407 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
408 char thinkOutput1[MSG_SIZ*10];
410 ChessProgramState first, second, pairing;
412 /* premove variables */
415 int premoveFromX = 0;
416 int premoveFromY = 0;
417 int premovePromoChar = 0;
419 Boolean alarmSounded;
420 /* end premove variables */
422 char *ics_prefix = "$";
423 int ics_type = ICS_GENERIC;
425 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
426 int pauseExamForwardMostMove = 0;
427 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
428 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
429 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
430 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
431 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
432 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
433 int whiteFlag = FALSE, blackFlag = FALSE;
434 int userOfferedDraw = FALSE;
435 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
436 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
437 int cmailMoveType[CMAIL_MAX_GAMES];
438 long ics_clock_paused = 0;
439 ProcRef icsPR = NoProc, cmailPR = NoProc;
440 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
441 GameMode gameMode = BeginningOfGame;
442 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
443 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
444 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
445 int hiddenThinkOutputState = 0; /* [AS] */
446 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
447 int adjudicateLossPlies = 6;
448 char white_holding[64], black_holding[64];
449 TimeMark lastNodeCountTime;
450 long lastNodeCount=0;
451 int shiftKey; // [HGM] set by mouse handler
453 int have_sent_ICS_logon = 0;
455 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
456 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
457 Boolean adjustedClock;
458 long timeControl_2; /* [AS] Allow separate time controls */
459 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
460 long timeRemaining[2][MAX_MOVES];
461 int matchGame = 0, nextGame = 0, roundNr = 0;
462 Boolean waitingForGame = FALSE;
463 TimeMark programStartTime, pauseStart;
464 char ics_handle[MSG_SIZ];
465 int have_set_title = 0;
467 /* animateTraining preserves the state of appData.animate
468 * when Training mode is activated. This allows the
469 * response to be animated when appData.animate == TRUE and
470 * appData.animateDragging == TRUE.
472 Boolean animateTraining;
478 Board boards[MAX_MOVES];
479 /* [HGM] Following 7 needed for accurate legality tests: */
480 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
481 signed char initialRights[BOARD_FILES];
482 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
483 int initialRulePlies, FENrulePlies;
484 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
486 Boolean shuffleOpenings;
487 int mute; // mute all sounds
489 // [HGM] vari: next 12 to save and restore variations
490 #define MAX_VARIATIONS 10
491 int framePtr = MAX_MOVES-1; // points to free stack entry
493 int savedFirst[MAX_VARIATIONS];
494 int savedLast[MAX_VARIATIONS];
495 int savedFramePtr[MAX_VARIATIONS];
496 char *savedDetails[MAX_VARIATIONS];
497 ChessMove savedResult[MAX_VARIATIONS];
499 void PushTail P((int firstMove, int lastMove));
500 Boolean PopTail P((Boolean annotate));
501 void PushInner P((int firstMove, int lastMove));
502 void PopInner P((Boolean annotate));
503 void CleanupTail P((void));
505 ChessSquare FIDEArray[2][BOARD_FILES] = {
506 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
507 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
508 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
509 BlackKing, BlackBishop, BlackKnight, BlackRook }
512 ChessSquare twoKingsArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
514 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
515 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
516 BlackKing, BlackKing, BlackKnight, BlackRook }
519 ChessSquare KnightmateArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
521 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
522 { BlackRook, BlackMan, BlackBishop, BlackQueen,
523 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
526 ChessSquare SpartanArray[2][BOARD_FILES] = {
527 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
528 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
529 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
530 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
533 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
534 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
535 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
536 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
537 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
540 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
541 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
542 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
544 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
547 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
548 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
549 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
550 { BlackRook, BlackKnight, BlackMan, BlackFerz,
551 BlackKing, BlackMan, BlackKnight, BlackRook }
555 #if (BOARD_FILES>=10)
556 ChessSquare ShogiArray[2][BOARD_FILES] = {
557 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
558 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
559 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
560 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
563 ChessSquare XiangqiArray[2][BOARD_FILES] = {
564 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
565 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
567 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
570 ChessSquare CapablancaArray[2][BOARD_FILES] = {
571 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
572 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
573 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
574 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
577 ChessSquare GreatArray[2][BOARD_FILES] = {
578 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
579 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
580 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
581 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
584 ChessSquare JanusArray[2][BOARD_FILES] = {
585 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
586 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
587 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
588 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
591 ChessSquare GrandArray[2][BOARD_FILES] = {
592 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
593 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
594 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
595 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
599 ChessSquare GothicArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
601 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
602 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
603 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
606 #define GothicArray CapablancaArray
610 ChessSquare FalconArray[2][BOARD_FILES] = {
611 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
612 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
613 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
614 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
617 #define FalconArray CapablancaArray
620 #else // !(BOARD_FILES>=10)
621 #define XiangqiPosition FIDEArray
622 #define CapablancaArray FIDEArray
623 #define GothicArray FIDEArray
624 #define GreatArray FIDEArray
625 #endif // !(BOARD_FILES>=10)
627 #if (BOARD_FILES>=12)
628 ChessSquare CourierArray[2][BOARD_FILES] = {
629 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
630 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
631 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
632 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
634 #else // !(BOARD_FILES>=12)
635 #define CourierArray CapablancaArray
636 #endif // !(BOARD_FILES>=12)
639 Board initialPosition;
642 /* Convert str to a rating. Checks for special cases of "----",
644 "++++", etc. Also strips ()'s */
646 string_to_rating(str)
649 while(*str && !isdigit(*str)) ++str;
651 return 0; /* One of the special "no rating" cases */
659 /* Init programStats */
660 programStats.movelist[0] = 0;
661 programStats.depth = 0;
662 programStats.nr_moves = 0;
663 programStats.moves_left = 0;
664 programStats.nodes = 0;
665 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
666 programStats.score = 0;
667 programStats.got_only_move = 0;
668 programStats.got_fail = 0;
669 programStats.line_is_book = 0;
674 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
675 if (appData.firstPlaysBlack) {
676 first.twoMachinesColor = "black\n";
677 second.twoMachinesColor = "white\n";
679 first.twoMachinesColor = "white\n";
680 second.twoMachinesColor = "black\n";
683 first.other = &second;
684 second.other = &first;
687 if(appData.timeOddsMode) {
688 norm = appData.timeOdds[0];
689 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
691 first.timeOdds = appData.timeOdds[0]/norm;
692 second.timeOdds = appData.timeOdds[1]/norm;
695 if(programVersion) free(programVersion);
696 if (appData.noChessProgram) {
697 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
698 sprintf(programVersion, "%s", PACKAGE_STRING);
700 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
701 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
702 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
707 UnloadEngine(ChessProgramState *cps)
709 /* Kill off first chess program */
710 if (cps->isr != NULL)
711 RemoveInputSource(cps->isr);
714 if (cps->pr != NoProc) {
716 DoSleep( appData.delayBeforeQuit );
717 SendToProgram("quit\n", cps);
718 DoSleep( appData.delayAfterQuit );
719 DestroyChildProcess(cps->pr, cps->useSigterm);
722 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
726 ClearOptions(ChessProgramState *cps)
729 cps->nrOptions = cps->comboCnt = 0;
730 for(i=0; i<MAX_OPTIONS; i++) {
731 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
732 cps->option[i].textValue = 0;
736 char *engineNames[] = {
742 InitEngine(ChessProgramState *cps, int n)
743 { // [HGM] all engine initialiation put in a function that does one engine
747 cps->which = engineNames[n];
748 cps->maybeThinking = FALSE;
752 cps->sendDrawOffers = 1;
754 cps->program = appData.chessProgram[n];
755 cps->host = appData.host[n];
756 cps->dir = appData.directory[n];
757 cps->initString = appData.engInitString[n];
758 cps->computerString = appData.computerString[n];
759 cps->useSigint = TRUE;
760 cps->useSigterm = TRUE;
761 cps->reuse = appData.reuse[n];
762 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
763 cps->useSetboard = FALSE;
765 cps->usePing = FALSE;
768 cps->usePlayother = FALSE;
769 cps->useColors = TRUE;
770 cps->useUsermove = FALSE;
771 cps->sendICS = FALSE;
772 cps->sendName = appData.icsActive;
773 cps->sdKludge = FALSE;
774 cps->stKludge = FALSE;
775 TidyProgramName(cps->program, cps->host, cps->tidy);
777 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
778 cps->analysisSupport = 2; /* detect */
779 cps->analyzing = FALSE;
780 cps->initDone = FALSE;
782 /* New features added by Tord: */
783 cps->useFEN960 = FALSE;
784 cps->useOOCastle = TRUE;
785 /* End of new features added by Tord. */
786 cps->fenOverride = appData.fenOverride[n];
788 /* [HGM] time odds: set factor for each machine */
789 cps->timeOdds = appData.timeOdds[n];
791 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
792 cps->accumulateTC = appData.accumulateTC[n];
793 cps->maxNrOfSessions = 1;
798 cps->supportsNPS = UNKNOWN;
799 cps->memSize = FALSE;
800 cps->maxCores = FALSE;
801 cps->egtFormats[0] = NULLCHAR;
804 cps->optionSettings = appData.engOptions[n];
806 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
807 cps->isUCI = appData.isUCI[n]; /* [AS] */
808 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
810 if (appData.protocolVersion[n] > PROTOVER
811 || appData.protocolVersion[n] < 1)
816 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
817 appData.protocolVersion[n]);
818 if( (len > MSG_SIZ) && appData.debugMode )
819 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
821 DisplayFatalError(buf, 0, 2);
825 cps->protocolVersion = appData.protocolVersion[n];
828 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
829 ParseFeatures(appData.featureDefaults, cps);
832 ChessProgramState *savCps;
838 if(WaitForEngine(savCps, LoadEngine)) return;
839 CommonEngineInit(); // recalculate time odds
840 if(gameInfo.variant != StringToVariant(appData.variant)) {
841 // we changed variant when loading the engine; this forces us to reset
842 Reset(TRUE, savCps != &first);
843 EditGameEvent(); // for consistency with other path, as Reset changes mode
845 InitChessProgram(savCps, FALSE);
846 SendToProgram("force\n", savCps);
847 DisplayMessage("", "");
848 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
849 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
855 ReplaceEngine(ChessProgramState *cps, int n)
859 appData.noChessProgram = FALSE;
860 appData.clockMode = TRUE;
863 if(n) return; // only startup first engine immediately; second can wait
864 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
868 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
869 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
871 static char resetOptions[] =
872 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
873 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
874 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
877 Load(ChessProgramState *cps, int i)
879 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
880 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
881 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
882 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
883 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
884 ParseArgsFromString(buf);
886 ReplaceEngine(cps, i);
890 while(q = strchr(p, SLASH)) p = q+1;
891 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
892 if(engineDir[0] != NULLCHAR)
893 appData.directory[i] = engineDir;
894 else if(p != engineName) { // derive directory from engine path, when not given
896 appData.directory[i] = strdup(engineName);
898 } else appData.directory[i] = ".";
900 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
901 snprintf(command, MSG_SIZ, "%s %s", p, params);
904 appData.chessProgram[i] = strdup(p);
905 appData.isUCI[i] = isUCI;
906 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
907 appData.hasOwnBookUCI[i] = hasBook;
908 if(!nickName[0]) useNick = FALSE;
909 if(useNick) ASSIGN(appData.pgnName[i], nickName);
913 q = firstChessProgramNames;
914 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
915 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
916 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
917 quote, p, quote, appData.directory[i],
918 useNick ? " -fn \"" : "",
919 useNick ? nickName : "",
921 v1 ? " -firstProtocolVersion 1" : "",
922 hasBook ? "" : " -fNoOwnBookUCI",
923 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
924 storeVariant ? " -variant " : "",
925 storeVariant ? VariantName(gameInfo.variant) : "");
926 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
927 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
930 ReplaceEngine(cps, i);
936 int matched, min, sec;
938 * Parse timeControl resource
940 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
941 appData.movesPerSession)) {
943 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
944 DisplayFatalError(buf, 0, 2);
948 * Parse searchTime resource
950 if (*appData.searchTime != NULLCHAR) {
951 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
953 searchTime = min * 60;
954 } else if (matched == 2) {
955 searchTime = min * 60 + sec;
958 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
959 DisplayFatalError(buf, 0, 2);
968 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
969 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
971 GetTimeMark(&programStartTime);
972 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
973 appData.seedBase = random() + (random()<<15);
974 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
977 programStats.ok_to_send = 1;
978 programStats.seen_stat = 0;
981 * Initialize game list
987 * Internet chess server status
989 if (appData.icsActive) {
990 appData.matchMode = FALSE;
991 appData.matchGames = 0;
993 appData.noChessProgram = !appData.zippyPlay;
995 appData.zippyPlay = FALSE;
996 appData.zippyTalk = FALSE;
997 appData.noChessProgram = TRUE;
999 if (*appData.icsHelper != NULLCHAR) {
1000 appData.useTelnet = TRUE;
1001 appData.telnetProgram = appData.icsHelper;
1004 appData.zippyTalk = appData.zippyPlay = FALSE;
1007 /* [AS] Initialize pv info list [HGM] and game state */
1011 for( i=0; i<=framePtr; i++ ) {
1012 pvInfoList[i].depth = -1;
1013 boards[i][EP_STATUS] = EP_NONE;
1014 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1020 /* [AS] Adjudication threshold */
1021 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1023 InitEngine(&first, 0);
1024 InitEngine(&second, 1);
1027 pairing.which = "pairing"; // pairing engine
1028 pairing.pr = NoProc;
1030 pairing.program = appData.pairingEngine;
1031 pairing.host = "localhost";
1034 if (appData.icsActive) {
1035 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1036 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1037 appData.clockMode = FALSE;
1038 first.sendTime = second.sendTime = 0;
1042 /* Override some settings from environment variables, for backward
1043 compatibility. Unfortunately it's not feasible to have the env
1044 vars just set defaults, at least in xboard. Ugh.
1046 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1051 if (!appData.icsActive) {
1055 /* Check for variants that are supported only in ICS mode,
1056 or not at all. Some that are accepted here nevertheless
1057 have bugs; see comments below.
1059 VariantClass variant = StringToVariant(appData.variant);
1061 case VariantBughouse: /* need four players and two boards */
1062 case VariantKriegspiel: /* need to hide pieces and move details */
1063 /* case VariantFischeRandom: (Fabien: moved below) */
1064 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1065 if( (len > MSG_SIZ) && appData.debugMode )
1066 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1068 DisplayFatalError(buf, 0, 2);
1071 case VariantUnknown:
1072 case VariantLoadable:
1082 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1083 if( (len > MSG_SIZ) && appData.debugMode )
1084 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1086 DisplayFatalError(buf, 0, 2);
1089 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1090 case VariantFairy: /* [HGM] TestLegality definitely off! */
1091 case VariantGothic: /* [HGM] should work */
1092 case VariantCapablanca: /* [HGM] should work */
1093 case VariantCourier: /* [HGM] initial forced moves not implemented */
1094 case VariantShogi: /* [HGM] could still mate with pawn drop */
1095 case VariantKnightmate: /* [HGM] should work */
1096 case VariantCylinder: /* [HGM] untested */
1097 case VariantFalcon: /* [HGM] untested */
1098 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1099 offboard interposition not understood */
1100 case VariantNormal: /* definitely works! */
1101 case VariantWildCastle: /* pieces not automatically shuffled */
1102 case VariantNoCastle: /* pieces not automatically shuffled */
1103 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1104 case VariantLosers: /* should work except for win condition,
1105 and doesn't know captures are mandatory */
1106 case VariantSuicide: /* should work except for win condition,
1107 and doesn't know captures are mandatory */
1108 case VariantGiveaway: /* should work except for win condition,
1109 and doesn't know captures are mandatory */
1110 case VariantTwoKings: /* should work */
1111 case VariantAtomic: /* should work except for win condition */
1112 case Variant3Check: /* should work except for win condition */
1113 case VariantShatranj: /* should work except for all win conditions */
1114 case VariantMakruk: /* should work except for draw countdown */
1115 case VariantBerolina: /* might work if TestLegality is off */
1116 case VariantCapaRandom: /* should work */
1117 case VariantJanus: /* should work */
1118 case VariantSuper: /* experimental */
1119 case VariantGreat: /* experimental, requires legality testing to be off */
1120 case VariantSChess: /* S-Chess, should work */
1121 case VariantGrand: /* should work */
1122 case VariantSpartan: /* should work */
1129 int NextIntegerFromString( char ** str, long * value )
1134 while( *s == ' ' || *s == '\t' ) {
1140 if( *s >= '0' && *s <= '9' ) {
1141 while( *s >= '0' && *s <= '9' ) {
1142 *value = *value * 10 + (*s - '0');
1154 int NextTimeControlFromString( char ** str, long * value )
1157 int result = NextIntegerFromString( str, &temp );
1160 *value = temp * 60; /* Minutes */
1161 if( **str == ':' ) {
1163 result = NextIntegerFromString( str, &temp );
1164 *value += temp; /* Seconds */
1171 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1172 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1173 int result = -1, type = 0; long temp, temp2;
1175 if(**str != ':') return -1; // old params remain in force!
1177 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1178 if( NextIntegerFromString( str, &temp ) ) return -1;
1179 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1182 /* time only: incremental or sudden-death time control */
1183 if(**str == '+') { /* increment follows; read it */
1185 if(**str == '!') type = *(*str)++; // Bronstein TC
1186 if(result = NextIntegerFromString( str, &temp2)) return -1;
1187 *inc = temp2 * 1000;
1188 if(**str == '.') { // read fraction of increment
1189 char *start = ++(*str);
1190 if(result = NextIntegerFromString( str, &temp2)) return -1;
1192 while(start++ < *str) temp2 /= 10;
1196 *moves = 0; *tc = temp * 1000; *incType = type;
1200 (*str)++; /* classical time control */
1201 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1212 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1213 { /* [HGM] get time to add from the multi-session time-control string */
1214 int incType, moves=1; /* kludge to force reading of first session */
1215 long time, increment;
1218 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1219 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1221 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1222 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1223 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1224 if(movenr == -1) return time; /* last move before new session */
1225 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1226 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1227 if(!moves) return increment; /* current session is incremental */
1228 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1229 } while(movenr >= -1); /* try again for next session */
1231 return 0; // no new time quota on this move
1235 ParseTimeControl(tc, ti, mps)
1242 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1245 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1246 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1247 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1251 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1253 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1256 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1258 snprintf(buf, MSG_SIZ, ":%s", mytc);
1260 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1262 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1267 /* Parse second time control */
1270 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1278 timeControl_2 = tc2 * 1000;
1288 timeControl = tc1 * 1000;
1291 timeIncrement = ti * 1000; /* convert to ms */
1292 movesPerSession = 0;
1295 movesPerSession = mps;
1303 if (appData.debugMode) {
1304 fprintf(debugFP, "%s\n", programVersion);
1307 set_cont_sequence(appData.wrapContSeq);
1308 if (appData.matchGames > 0) {
1309 appData.matchMode = TRUE;
1310 } else if (appData.matchMode) {
1311 appData.matchGames = 1;
1313 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1314 appData.matchGames = appData.sameColorGames;
1315 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1316 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1317 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1320 if (appData.noChessProgram || first.protocolVersion == 1) {
1323 /* kludge: allow timeout for initial "feature" commands */
1325 DisplayMessage("", _("Starting chess program"));
1326 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1331 CalculateIndex(int index, int gameNr)
1332 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1334 if(index > 0) return index; // fixed nmber
1335 if(index == 0) return 1;
1336 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1337 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1342 LoadGameOrPosition(int gameNr)
1343 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1344 if (*appData.loadGameFile != NULLCHAR) {
1345 if (!LoadGameFromFile(appData.loadGameFile,
1346 CalculateIndex(appData.loadGameIndex, gameNr),
1347 appData.loadGameFile, FALSE)) {
1348 DisplayFatalError(_("Bad game file"), 0, 1);
1351 } else if (*appData.loadPositionFile != NULLCHAR) {
1352 if (!LoadPositionFromFile(appData.loadPositionFile,
1353 CalculateIndex(appData.loadPositionIndex, gameNr),
1354 appData.loadPositionFile)) {
1355 DisplayFatalError(_("Bad position file"), 0, 1);
1363 ReserveGame(int gameNr, char resChar)
1365 FILE *tf = fopen(appData.tourneyFile, "r+");
1366 char *p, *q, c, buf[MSG_SIZ];
1367 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1368 safeStrCpy(buf, lastMsg, MSG_SIZ);
1369 DisplayMessage(_("Pick new game"), "");
1370 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1371 ParseArgsFromFile(tf);
1372 p = q = appData.results;
1373 if(appData.debugMode) {
1374 char *r = appData.participants;
1375 fprintf(debugFP, "results = '%s'\n", p);
1376 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1377 fprintf(debugFP, "\n");
1379 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1381 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1382 safeStrCpy(q, p, strlen(p) + 2);
1383 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1384 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1385 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1386 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1389 fseek(tf, -(strlen(p)+4), SEEK_END);
1391 if(c != '"') // depending on DOS or Unix line endings we can be one off
1392 fseek(tf, -(strlen(p)+2), SEEK_END);
1393 else fseek(tf, -(strlen(p)+3), SEEK_END);
1394 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1395 DisplayMessage(buf, "");
1396 free(p); appData.results = q;
1397 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1398 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1399 UnloadEngine(&first); // next game belongs to other pairing;
1400 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1405 MatchEvent(int mode)
1406 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1408 if(matchMode) { // already in match mode: switch it off
1410 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1413 // if(gameMode != BeginningOfGame) {
1414 // DisplayError(_("You can only start a match from the initial position."), 0);
1418 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1419 /* Set up machine vs. machine match */
1421 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1422 if(appData.tourneyFile[0]) {
1424 if(nextGame > appData.matchGames) {
1426 if(strchr(appData.results, '*') == NULL) {
1428 appData.tourneyCycles++;
1429 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1431 NextTourneyGame(-1, &dummy);
1433 if(nextGame <= appData.matchGames) {
1434 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1436 ScheduleDelayedEvent(NextMatchGame, 10000);
1441 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1442 DisplayError(buf, 0);
1443 appData.tourneyFile[0] = 0;
1447 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1448 DisplayFatalError(_("Can't have a match with no chess programs"),
1453 matchGame = roundNr = 1;
1454 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1459 InitBackEnd3 P((void))
1461 GameMode initialMode;
1465 InitChessProgram(&first, startedFromSetupPosition);
1467 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1468 free(programVersion);
1469 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1470 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1473 if (appData.icsActive) {
1475 /* [DM] Make a console window if needed [HGM] merged ifs */
1481 if (*appData.icsCommPort != NULLCHAR)
1482 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1483 appData.icsCommPort);
1485 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1486 appData.icsHost, appData.icsPort);
1488 if( (len > MSG_SIZ) && appData.debugMode )
1489 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1491 DisplayFatalError(buf, err, 1);
1496 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1498 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1499 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1500 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1501 } else if (appData.noChessProgram) {
1507 if (*appData.cmailGameName != NULLCHAR) {
1509 OpenLoopback(&cmailPR);
1511 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1515 DisplayMessage("", "");
1516 if (StrCaseCmp(appData.initialMode, "") == 0) {
1517 initialMode = BeginningOfGame;
1518 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1519 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1520 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1521 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1524 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1525 initialMode = TwoMachinesPlay;
1526 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1527 initialMode = AnalyzeFile;
1528 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1529 initialMode = AnalyzeMode;
1530 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1531 initialMode = MachinePlaysWhite;
1532 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1533 initialMode = MachinePlaysBlack;
1534 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1535 initialMode = EditGame;
1536 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1537 initialMode = EditPosition;
1538 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1539 initialMode = Training;
1541 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1542 if( (len > MSG_SIZ) && appData.debugMode )
1543 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1545 DisplayFatalError(buf, 0, 2);
1549 if (appData.matchMode) {
1550 if(appData.tourneyFile[0]) { // start tourney from command line
1552 if(f = fopen(appData.tourneyFile, "r")) {
1553 ParseArgsFromFile(f); // make sure tourney parmeters re known
1555 appData.clockMode = TRUE;
1557 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1560 } else if (*appData.cmailGameName != NULLCHAR) {
1561 /* Set up cmail mode */
1562 ReloadCmailMsgEvent(TRUE);
1564 /* Set up other modes */
1565 if (initialMode == AnalyzeFile) {
1566 if (*appData.loadGameFile == NULLCHAR) {
1567 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1571 if (*appData.loadGameFile != NULLCHAR) {
1572 (void) LoadGameFromFile(appData.loadGameFile,
1573 appData.loadGameIndex,
1574 appData.loadGameFile, TRUE);
1575 } else if (*appData.loadPositionFile != NULLCHAR) {
1576 (void) LoadPositionFromFile(appData.loadPositionFile,
1577 appData.loadPositionIndex,
1578 appData.loadPositionFile);
1579 /* [HGM] try to make self-starting even after FEN load */
1580 /* to allow automatic setup of fairy variants with wtm */
1581 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1582 gameMode = BeginningOfGame;
1583 setboardSpoiledMachineBlack = 1;
1585 /* [HGM] loadPos: make that every new game uses the setup */
1586 /* from file as long as we do not switch variant */
1587 if(!blackPlaysFirst) {
1588 startedFromPositionFile = TRUE;
1589 CopyBoard(filePosition, boards[0]);
1592 if (initialMode == AnalyzeMode) {
1593 if (appData.noChessProgram) {
1594 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1597 if (appData.icsActive) {
1598 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1602 } else if (initialMode == AnalyzeFile) {
1603 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1604 ShowThinkingEvent();
1606 AnalysisPeriodicEvent(1);
1607 } else if (initialMode == MachinePlaysWhite) {
1608 if (appData.noChessProgram) {
1609 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1613 if (appData.icsActive) {
1614 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1618 MachineWhiteEvent();
1619 } else if (initialMode == MachinePlaysBlack) {
1620 if (appData.noChessProgram) {
1621 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1625 if (appData.icsActive) {
1626 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1630 MachineBlackEvent();
1631 } else if (initialMode == TwoMachinesPlay) {
1632 if (appData.noChessProgram) {
1633 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1637 if (appData.icsActive) {
1638 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1643 } else if (initialMode == EditGame) {
1645 } else if (initialMode == EditPosition) {
1646 EditPositionEvent();
1647 } else if (initialMode == Training) {
1648 if (*appData.loadGameFile == NULLCHAR) {
1649 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1658 HistorySet( char movelist[][2*MOVE_LEN], int first, int last, int current )
1660 DisplayBook(current+1);
1662 MoveHistorySet( movelist, first, last, current, pvInfoList );
1664 EvalGraphSet( first, last, current, pvInfoList );
1666 MakeEngineOutputTitle();
1670 * Establish will establish a contact to a remote host.port.
1671 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1672 * used to talk to the host.
1673 * Returns 0 if okay, error code if not.
1680 if (*appData.icsCommPort != NULLCHAR) {
1681 /* Talk to the host through a serial comm port */
1682 return OpenCommPort(appData.icsCommPort, &icsPR);
1684 } else if (*appData.gateway != NULLCHAR) {
1685 if (*appData.remoteShell == NULLCHAR) {
1686 /* Use the rcmd protocol to run telnet program on a gateway host */
1687 snprintf(buf, sizeof(buf), "%s %s %s",
1688 appData.telnetProgram, appData.icsHost, appData.icsPort);
1689 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1692 /* Use the rsh program to run telnet program on a gateway host */
1693 if (*appData.remoteUser == NULLCHAR) {
1694 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1695 appData.gateway, appData.telnetProgram,
1696 appData.icsHost, appData.icsPort);
1698 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1699 appData.remoteShell, appData.gateway,
1700 appData.remoteUser, appData.telnetProgram,
1701 appData.icsHost, appData.icsPort);
1703 return StartChildProcess(buf, "", &icsPR);
1706 } else if (appData.useTelnet) {
1707 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1710 /* TCP socket interface differs somewhat between
1711 Unix and NT; handle details in the front end.
1713 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1717 void EscapeExpand(char *p, char *q)
1718 { // [HGM] initstring: routine to shape up string arguments
1719 while(*p++ = *q++) if(p[-1] == '\\')
1721 case 'n': p[-1] = '\n'; break;
1722 case 'r': p[-1] = '\r'; break;
1723 case 't': p[-1] = '\t'; break;
1724 case '\\': p[-1] = '\\'; break;
1725 case 0: *p = 0; return;
1726 default: p[-1] = q[-1]; break;
1731 show_bytes(fp, buf, count)
1737 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1738 fprintf(fp, "\\%03o", *buf & 0xff);
1747 /* Returns an errno value */
1749 OutputMaybeTelnet(pr, message, count, outError)
1755 char buf[8192], *p, *q, *buflim;
1756 int left, newcount, outcount;
1758 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1759 *appData.gateway != NULLCHAR) {
1760 if (appData.debugMode) {
1761 fprintf(debugFP, ">ICS: ");
1762 show_bytes(debugFP, message, count);
1763 fprintf(debugFP, "\n");
1765 return OutputToProcess(pr, message, count, outError);
1768 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1775 if (appData.debugMode) {
1776 fprintf(debugFP, ">ICS: ");
1777 show_bytes(debugFP, buf, newcount);
1778 fprintf(debugFP, "\n");
1780 outcount = OutputToProcess(pr, buf, newcount, outError);
1781 if (outcount < newcount) return -1; /* to be sure */
1788 } else if (((unsigned char) *p) == TN_IAC) {
1789 *q++ = (char) TN_IAC;
1796 if (appData.debugMode) {
1797 fprintf(debugFP, ">ICS: ");
1798 show_bytes(debugFP, buf, newcount);
1799 fprintf(debugFP, "\n");
1801 outcount = OutputToProcess(pr, buf, newcount, outError);
1802 if (outcount < newcount) return -1; /* to be sure */
1807 read_from_player(isr, closure, message, count, error)
1814 int outError, outCount;
1815 static int gotEof = 0;
1817 /* Pass data read from player on to ICS */
1820 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1821 if (outCount < count) {
1822 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1824 } else if (count < 0) {
1825 RemoveInputSource(isr);
1826 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1827 } else if (gotEof++ > 0) {
1828 RemoveInputSource(isr);
1829 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1835 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1836 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1837 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1838 SendToICS("date\n");
1839 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1842 /* added routine for printf style output to ics */
1843 void ics_printf(char *format, ...)
1845 char buffer[MSG_SIZ];
1848 va_start(args, format);
1849 vsnprintf(buffer, sizeof(buffer), format, args);
1850 buffer[sizeof(buffer)-1] = '\0';
1859 int count, outCount, outError;
1861 if (icsPR == NoProc) return;
1864 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1865 if (outCount < count) {
1866 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1870 /* This is used for sending logon scripts to the ICS. Sending
1871 without a delay causes problems when using timestamp on ICC
1872 (at least on my machine). */
1874 SendToICSDelayed(s,msdelay)
1878 int count, outCount, outError;
1880 if (icsPR == NoProc) return;
1883 if (appData.debugMode) {
1884 fprintf(debugFP, ">ICS: ");
1885 show_bytes(debugFP, s, count);
1886 fprintf(debugFP, "\n");
1888 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1890 if (outCount < count) {
1891 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1896 /* Remove all highlighting escape sequences in s
1897 Also deletes any suffix starting with '('
1900 StripHighlightAndTitle(s)
1903 static char retbuf[MSG_SIZ];
1906 while (*s != NULLCHAR) {
1907 while (*s == '\033') {
1908 while (*s != NULLCHAR && !isalpha(*s)) s++;
1909 if (*s != NULLCHAR) s++;
1911 while (*s != NULLCHAR && *s != '\033') {
1912 if (*s == '(' || *s == '[') {
1923 /* Remove all highlighting escape sequences in s */
1928 static char retbuf[MSG_SIZ];
1931 while (*s != NULLCHAR) {
1932 while (*s == '\033') {
1933 while (*s != NULLCHAR && !isalpha(*s)) s++;
1934 if (*s != NULLCHAR) s++;
1936 while (*s != NULLCHAR && *s != '\033') {
1944 char *variantNames[] = VARIANT_NAMES;
1949 return variantNames[v];
1953 /* Identify a variant from the strings the chess servers use or the
1954 PGN Variant tag names we use. */
1961 VariantClass v = VariantNormal;
1962 int i, found = FALSE;
1968 /* [HGM] skip over optional board-size prefixes */
1969 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1970 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1971 while( *e++ != '_');
1974 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1978 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1979 if (StrCaseStr(e, variantNames[i])) {
1980 v = (VariantClass) i;
1987 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1988 || StrCaseStr(e, "wild/fr")
1989 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1990 v = VariantFischeRandom;
1991 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1992 (i = 1, p = StrCaseStr(e, "w"))) {
1994 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2001 case 0: /* FICS only, actually */
2003 /* Castling legal even if K starts on d-file */
2004 v = VariantWildCastle;
2009 /* Castling illegal even if K & R happen to start in
2010 normal positions. */
2011 v = VariantNoCastle;
2024 /* Castling legal iff K & R start in normal positions */
2030 /* Special wilds for position setup; unclear what to do here */
2031 v = VariantLoadable;
2034 /* Bizarre ICC game */
2035 v = VariantTwoKings;
2038 v = VariantKriegspiel;
2044 v = VariantFischeRandom;
2047 v = VariantCrazyhouse;
2050 v = VariantBughouse;
2056 /* Not quite the same as FICS suicide! */
2057 v = VariantGiveaway;
2063 v = VariantShatranj;
2066 /* Temporary names for future ICC types. The name *will* change in
2067 the next xboard/WinBoard release after ICC defines it. */
2105 v = VariantCapablanca;
2108 v = VariantKnightmate;
2114 v = VariantCylinder;
2120 v = VariantCapaRandom;
2123 v = VariantBerolina;
2135 /* Found "wild" or "w" in the string but no number;
2136 must assume it's normal chess. */
2140 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2141 if( (len > MSG_SIZ) && appData.debugMode )
2142 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2144 DisplayError(buf, 0);
2150 if (appData.debugMode) {
2151 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2152 e, wnum, VariantName(v));
2157 static int leftover_start = 0, leftover_len = 0;
2158 char star_match[STAR_MATCH_N][MSG_SIZ];
2160 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2161 advance *index beyond it, and set leftover_start to the new value of
2162 *index; else return FALSE. If pattern contains the character '*', it
2163 matches any sequence of characters not containing '\r', '\n', or the
2164 character following the '*' (if any), and the matched sequence(s) are
2165 copied into star_match.
2168 looking_at(buf, index, pattern)
2173 char *bufp = &buf[*index], *patternp = pattern;
2175 char *matchp = star_match[0];
2178 if (*patternp == NULLCHAR) {
2179 *index = leftover_start = bufp - buf;
2183 if (*bufp == NULLCHAR) return FALSE;
2184 if (*patternp == '*') {
2185 if (*bufp == *(patternp + 1)) {
2187 matchp = star_match[++star_count];
2191 } else if (*bufp == '\n' || *bufp == '\r') {
2193 if (*patternp == NULLCHAR)
2198 *matchp++ = *bufp++;
2202 if (*patternp != *bufp) return FALSE;
2209 SendToPlayer(data, length)
2213 int error, outCount;
2214 outCount = OutputToProcess(NoProc, data, length, &error);
2215 if (outCount < length) {
2216 DisplayFatalError(_("Error writing to display"), error, 1);
2221 PackHolding(packed, holding)
2233 switch (runlength) {
2244 sprintf(q, "%d", runlength);
2256 /* Telnet protocol requests from the front end */
2258 TelnetRequest(ddww, option)
2259 unsigned char ddww, option;
2261 unsigned char msg[3];
2262 int outCount, outError;
2264 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2266 if (appData.debugMode) {
2267 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2283 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2292 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2295 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2300 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2302 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2309 if (!appData.icsActive) return;
2310 TelnetRequest(TN_DO, TN_ECHO);
2316 if (!appData.icsActive) return;
2317 TelnetRequest(TN_DONT, TN_ECHO);
2321 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2323 /* put the holdings sent to us by the server on the board holdings area */
2324 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2328 if(gameInfo.holdingsWidth < 2) return;
2329 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2330 return; // prevent overwriting by pre-board holdings
2332 if( (int)lowestPiece >= BlackPawn ) {
2335 holdingsStartRow = BOARD_HEIGHT-1;
2338 holdingsColumn = BOARD_WIDTH-1;
2339 countsColumn = BOARD_WIDTH-2;
2340 holdingsStartRow = 0;
2344 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2345 board[i][holdingsColumn] = EmptySquare;
2346 board[i][countsColumn] = (ChessSquare) 0;
2348 while( (p=*holdings++) != NULLCHAR ) {
2349 piece = CharToPiece( ToUpper(p) );
2350 if(piece == EmptySquare) continue;
2351 /*j = (int) piece - (int) WhitePawn;*/
2352 j = PieceToNumber(piece);
2353 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2354 if(j < 0) continue; /* should not happen */
2355 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2356 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2357 board[holdingsStartRow+j*direction][countsColumn]++;
2363 VariantSwitch(Board board, VariantClass newVariant)
2365 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2366 static Board oldBoard;
2368 startedFromPositionFile = FALSE;
2369 if(gameInfo.variant == newVariant) return;
2371 /* [HGM] This routine is called each time an assignment is made to
2372 * gameInfo.variant during a game, to make sure the board sizes
2373 * are set to match the new variant. If that means adding or deleting
2374 * holdings, we shift the playing board accordingly
2375 * This kludge is needed because in ICS observe mode, we get boards
2376 * of an ongoing game without knowing the variant, and learn about the
2377 * latter only later. This can be because of the move list we requested,
2378 * in which case the game history is refilled from the beginning anyway,
2379 * but also when receiving holdings of a crazyhouse game. In the latter
2380 * case we want to add those holdings to the already received position.
2384 if (appData.debugMode) {
2385 fprintf(debugFP, "Switch board from %s to %s\n",
2386 VariantName(gameInfo.variant), VariantName(newVariant));
2387 setbuf(debugFP, NULL);
2389 shuffleOpenings = 0; /* [HGM] shuffle */
2390 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2394 newWidth = 9; newHeight = 9;
2395 gameInfo.holdingsSize = 7;
2396 case VariantBughouse:
2397 case VariantCrazyhouse:
2398 newHoldingsWidth = 2; break;
2402 newHoldingsWidth = 2;
2403 gameInfo.holdingsSize = 8;
2406 case VariantCapablanca:
2407 case VariantCapaRandom:
2410 newHoldingsWidth = gameInfo.holdingsSize = 0;
2413 if(newWidth != gameInfo.boardWidth ||
2414 newHeight != gameInfo.boardHeight ||
2415 newHoldingsWidth != gameInfo.holdingsWidth ) {
2417 /* shift position to new playing area, if needed */
2418 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2419 for(i=0; i<BOARD_HEIGHT; i++)
2420 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2421 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2423 for(i=0; i<newHeight; i++) {
2424 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2425 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2427 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2428 for(i=0; i<BOARD_HEIGHT; i++)
2429 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2430 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2433 gameInfo.boardWidth = newWidth;
2434 gameInfo.boardHeight = newHeight;
2435 gameInfo.holdingsWidth = newHoldingsWidth;
2436 gameInfo.variant = newVariant;
2437 InitDrawingSizes(-2, 0);
2438 } else gameInfo.variant = newVariant;
2439 CopyBoard(oldBoard, board); // remember correctly formatted board
2440 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2441 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2444 static int loggedOn = FALSE;
2446 /*-- Game start info cache: --*/
2448 char gs_kind[MSG_SIZ];
2449 static char player1Name[128] = "";
2450 static char player2Name[128] = "";
2451 static char cont_seq[] = "\n\\ ";
2452 static int player1Rating = -1;
2453 static int player2Rating = -1;
2454 /*----------------------------*/
2456 ColorClass curColor = ColorNormal;
2457 int suppressKibitz = 0;
2460 Boolean soughtPending = FALSE;
2461 Boolean seekGraphUp;
2462 #define MAX_SEEK_ADS 200
2464 char *seekAdList[MAX_SEEK_ADS];
2465 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2466 float tcList[MAX_SEEK_ADS];
2467 char colorList[MAX_SEEK_ADS];
2468 int nrOfSeekAds = 0;
2469 int minRating = 1010, maxRating = 2800;
2470 int hMargin = 10, vMargin = 20, h, w;
2471 extern int squareSize, lineGap;
2476 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2477 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2478 if(r < minRating+100 && r >=0 ) r = minRating+100;
2479 if(r > maxRating) r = maxRating;
2480 if(tc < 1.) tc = 1.;
2481 if(tc > 95.) tc = 95.;
2482 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2483 y = ((double)r - minRating)/(maxRating - minRating)
2484 * (h-vMargin-squareSize/8-1) + vMargin;
2485 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2486 if(strstr(seekAdList[i], " u ")) color = 1;
2487 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2488 !strstr(seekAdList[i], "bullet") &&
2489 !strstr(seekAdList[i], "blitz") &&
2490 !strstr(seekAdList[i], "standard") ) color = 2;
2491 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2492 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2496 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2498 char buf[MSG_SIZ], *ext = "";
2499 VariantClass v = StringToVariant(type);
2500 if(strstr(type, "wild")) {
2501 ext = type + 4; // append wild number
2502 if(v == VariantFischeRandom) type = "chess960"; else
2503 if(v == VariantLoadable) type = "setup"; else
2504 type = VariantName(v);
2506 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2507 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2508 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2509 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2510 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2511 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2512 seekNrList[nrOfSeekAds] = nr;
2513 zList[nrOfSeekAds] = 0;
2514 seekAdList[nrOfSeekAds++] = StrSave(buf);
2515 if(plot) PlotSeekAd(nrOfSeekAds-1);
2522 int x = xList[i], y = yList[i], d=squareSize/4, k;
2523 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2524 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2525 // now replot every dot that overlapped
2526 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2527 int xx = xList[k], yy = yList[k];
2528 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2529 DrawSeekDot(xx, yy, colorList[k]);
2534 RemoveSeekAd(int nr)
2537 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2539 if(seekAdList[i]) free(seekAdList[i]);
2540 seekAdList[i] = seekAdList[--nrOfSeekAds];
2541 seekNrList[i] = seekNrList[nrOfSeekAds];
2542 ratingList[i] = ratingList[nrOfSeekAds];
2543 colorList[i] = colorList[nrOfSeekAds];
2544 tcList[i] = tcList[nrOfSeekAds];
2545 xList[i] = xList[nrOfSeekAds];
2546 yList[i] = yList[nrOfSeekAds];
2547 zList[i] = zList[nrOfSeekAds];
2548 seekAdList[nrOfSeekAds] = NULL;
2554 MatchSoughtLine(char *line)
2556 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2557 int nr, base, inc, u=0; char dummy;
2559 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2560 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2562 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2563 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2564 // match: compact and save the line
2565 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2575 if(!seekGraphUp) return FALSE;
2576 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2577 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2579 DrawSeekBackground(0, 0, w, h);
2580 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2581 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2582 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2583 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2585 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2588 snprintf(buf, MSG_SIZ, "%d", i);
2589 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2592 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2593 for(i=1; i<100; i+=(i<10?1:5)) {
2594 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2595 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2596 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2598 snprintf(buf, MSG_SIZ, "%d", i);
2599 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2602 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2606 int SeekGraphClick(ClickType click, int x, int y, int moving)
2608 static int lastDown = 0, displayed = 0, lastSecond;
2609 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2610 if(click == Release || moving) return FALSE;
2612 soughtPending = TRUE;
2613 SendToICS(ics_prefix);
2614 SendToICS("sought\n"); // should this be "sought all"?
2615 } else { // issue challenge based on clicked ad
2616 int dist = 10000; int i, closest = 0, second = 0;
2617 for(i=0; i<nrOfSeekAds; i++) {
2618 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2619 if(d < dist) { dist = d; closest = i; }
2620 second += (d - zList[i] < 120); // count in-range ads
2621 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2625 second = (second > 1);
2626 if(displayed != closest || second != lastSecond) {
2627 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2628 lastSecond = second; displayed = closest;
2630 if(click == Press) {
2631 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2634 } // on press 'hit', only show info
2635 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2636 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2637 SendToICS(ics_prefix);
2639 return TRUE; // let incoming board of started game pop down the graph
2640 } else if(click == Release) { // release 'miss' is ignored
2641 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2642 if(moving == 2) { // right up-click
2643 nrOfSeekAds = 0; // refresh graph
2644 soughtPending = TRUE;
2645 SendToICS(ics_prefix);
2646 SendToICS("sought\n"); // should this be "sought all"?
2649 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2650 // press miss or release hit 'pop down' seek graph
2651 seekGraphUp = FALSE;
2652 DrawPosition(TRUE, NULL);
2658 read_from_ics(isr, closure, data, count, error)
2665 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2666 #define STARTED_NONE 0
2667 #define STARTED_MOVES 1
2668 #define STARTED_BOARD 2
2669 #define STARTED_OBSERVE 3
2670 #define STARTED_HOLDINGS 4
2671 #define STARTED_CHATTER 5
2672 #define STARTED_COMMENT 6
2673 #define STARTED_MOVES_NOHIDE 7
2675 static int started = STARTED_NONE;
2676 static char parse[20000];
2677 static int parse_pos = 0;
2678 static char buf[BUF_SIZE + 1];
2679 static int firstTime = TRUE, intfSet = FALSE;
2680 static ColorClass prevColor = ColorNormal;
2681 static int savingComment = FALSE;
2682 static int cmatch = 0; // continuation sequence match
2689 int backup; /* [DM] For zippy color lines */
2691 char talker[MSG_SIZ]; // [HGM] chat
2694 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2696 if (appData.debugMode) {
2698 fprintf(debugFP, "<ICS: ");
2699 show_bytes(debugFP, data, count);
2700 fprintf(debugFP, "\n");
2704 if (appData.debugMode) { int f = forwardMostMove;
2705 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2706 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2707 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2710 /* If last read ended with a partial line that we couldn't parse,
2711 prepend it to the new read and try again. */
2712 if (leftover_len > 0) {
2713 for (i=0; i<leftover_len; i++)
2714 buf[i] = buf[leftover_start + i];
2717 /* copy new characters into the buffer */
2718 bp = buf + leftover_len;
2719 buf_len=leftover_len;
2720 for (i=0; i<count; i++)
2723 if (data[i] == '\r')
2726 // join lines split by ICS?
2727 if (!appData.noJoin)
2730 Joining just consists of finding matches against the
2731 continuation sequence, and discarding that sequence
2732 if found instead of copying it. So, until a match
2733 fails, there's nothing to do since it might be the
2734 complete sequence, and thus, something we don't want
2737 if (data[i] == cont_seq[cmatch])
2740 if (cmatch == strlen(cont_seq))
2742 cmatch = 0; // complete match. just reset the counter
2745 it's possible for the ICS to not include the space
2746 at the end of the last word, making our [correct]
2747 join operation fuse two separate words. the server
2748 does this when the space occurs at the width setting.
2750 if (!buf_len || buf[buf_len-1] != ' ')
2761 match failed, so we have to copy what matched before
2762 falling through and copying this character. In reality,
2763 this will only ever be just the newline character, but
2764 it doesn't hurt to be precise.
2766 strncpy(bp, cont_seq, cmatch);
2778 buf[buf_len] = NULLCHAR;
2779 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2784 while (i < buf_len) {
2785 /* Deal with part of the TELNET option negotiation
2786 protocol. We refuse to do anything beyond the
2787 defaults, except that we allow the WILL ECHO option,
2788 which ICS uses to turn off password echoing when we are
2789 directly connected to it. We reject this option
2790 if localLineEditing mode is on (always on in xboard)
2791 and we are talking to port 23, which might be a real
2792 telnet server that will try to keep WILL ECHO on permanently.
2794 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2795 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2796 unsigned char option;
2798 switch ((unsigned char) buf[++i]) {
2800 if (appData.debugMode)
2801 fprintf(debugFP, "\n<WILL ");
2802 switch (option = (unsigned char) buf[++i]) {
2804 if (appData.debugMode)
2805 fprintf(debugFP, "ECHO ");
2806 /* Reply only if this is a change, according
2807 to the protocol rules. */
2808 if (remoteEchoOption) break;
2809 if (appData.localLineEditing &&
2810 atoi(appData.icsPort) == TN_PORT) {
2811 TelnetRequest(TN_DONT, TN_ECHO);
2814 TelnetRequest(TN_DO, TN_ECHO);
2815 remoteEchoOption = TRUE;
2819 if (appData.debugMode)
2820 fprintf(debugFP, "%d ", option);
2821 /* Whatever this is, we don't want it. */
2822 TelnetRequest(TN_DONT, option);
2827 if (appData.debugMode)
2828 fprintf(debugFP, "\n<WONT ");
2829 switch (option = (unsigned char) buf[++i]) {
2831 if (appData.debugMode)
2832 fprintf(debugFP, "ECHO ");
2833 /* Reply only if this is a change, according
2834 to the protocol rules. */
2835 if (!remoteEchoOption) break;
2837 TelnetRequest(TN_DONT, TN_ECHO);
2838 remoteEchoOption = FALSE;
2841 if (appData.debugMode)
2842 fprintf(debugFP, "%d ", (unsigned char) option);
2843 /* Whatever this is, it must already be turned
2844 off, because we never agree to turn on
2845 anything non-default, so according to the
2846 protocol rules, we don't reply. */
2851 if (appData.debugMode)
2852 fprintf(debugFP, "\n<DO ");
2853 switch (option = (unsigned char) buf[++i]) {
2855 /* Whatever this is, we refuse to do it. */
2856 if (appData.debugMode)
2857 fprintf(debugFP, "%d ", option);
2858 TelnetRequest(TN_WONT, option);
2863 if (appData.debugMode)
2864 fprintf(debugFP, "\n<DONT ");
2865 switch (option = (unsigned char) buf[++i]) {
2867 if (appData.debugMode)
2868 fprintf(debugFP, "%d ", option);
2869 /* Whatever this is, we are already not doing
2870 it, because we never agree to do anything
2871 non-default, so according to the protocol
2872 rules, we don't reply. */
2877 if (appData.debugMode)
2878 fprintf(debugFP, "\n<IAC ");
2879 /* Doubled IAC; pass it through */
2883 if (appData.debugMode)
2884 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2885 /* Drop all other telnet commands on the floor */
2888 if (oldi > next_out)
2889 SendToPlayer(&buf[next_out], oldi - next_out);
2895 /* OK, this at least will *usually* work */
2896 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2900 if (loggedOn && !intfSet) {
2901 if (ics_type == ICS_ICC) {
2902 snprintf(str, MSG_SIZ,
2903 "/set-quietly interface %s\n/set-quietly style 12\n",
2905 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2906 strcat(str, "/set-2 51 1\n/set seek 1\n");
2907 } else if (ics_type == ICS_CHESSNET) {
2908 snprintf(str, MSG_SIZ, "/style 12\n");
2910 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2911 strcat(str, programVersion);
2912 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2913 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2914 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2916 strcat(str, "$iset nohighlight 1\n");
2918 strcat(str, "$iset lock 1\n$style 12\n");
2921 NotifyFrontendLogin();
2925 if (started == STARTED_COMMENT) {
2926 /* Accumulate characters in comment */
2927 parse[parse_pos++] = buf[i];
2928 if (buf[i] == '\n') {
2929 parse[parse_pos] = NULLCHAR;
2930 if(chattingPartner>=0) {
2932 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2933 OutputChatMessage(chattingPartner, mess);
2934 chattingPartner = -1;
2935 next_out = i+1; // [HGM] suppress printing in ICS window
2937 if(!suppressKibitz) // [HGM] kibitz
2938 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2939 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2940 int nrDigit = 0, nrAlph = 0, j;
2941 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2942 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2943 parse[parse_pos] = NULLCHAR;
2944 // try to be smart: if it does not look like search info, it should go to
2945 // ICS interaction window after all, not to engine-output window.
2946 for(j=0; j<parse_pos; j++) { // count letters and digits
2947 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2948 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2949 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2951 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2952 int depth=0; float score;
2953 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2954 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2955 pvInfoList[forwardMostMove-1].depth = depth;
2956 pvInfoList[forwardMostMove-1].score = 100*score;
2958 OutputKibitz(suppressKibitz, parse);
2961 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2962 SendToPlayer(tmp, strlen(tmp));
2964 next_out = i+1; // [HGM] suppress printing in ICS window
2966 started = STARTED_NONE;
2968 /* Don't match patterns against characters in comment */
2973 if (started == STARTED_CHATTER) {
2974 if (buf[i] != '\n') {
2975 /* Don't match patterns against characters in chatter */
2979 started = STARTED_NONE;
2980 if(suppressKibitz) next_out = i+1;
2983 /* Kludge to deal with rcmd protocol */
2984 if (firstTime && looking_at(buf, &i, "\001*")) {
2985 DisplayFatalError(&buf[1], 0, 1);
2991 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2994 if (appData.debugMode)
2995 fprintf(debugFP, "ics_type %d\n", ics_type);
2998 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2999 ics_type = ICS_FICS;
3001 if (appData.debugMode)
3002 fprintf(debugFP, "ics_type %d\n", ics_type);
3005 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3006 ics_type = ICS_CHESSNET;
3008 if (appData.debugMode)
3009 fprintf(debugFP, "ics_type %d\n", ics_type);
3014 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3015 looking_at(buf, &i, "Logging you in as \"*\"") ||
3016 looking_at(buf, &i, "will be \"*\""))) {
3017 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3021 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3023 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3024 DisplayIcsInteractionTitle(buf);
3025 have_set_title = TRUE;
3028 /* skip finger notes */
3029 if (started == STARTED_NONE &&
3030 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3031 (buf[i] == '1' && buf[i+1] == '0')) &&
3032 buf[i+2] == ':' && buf[i+3] == ' ') {
3033 started = STARTED_CHATTER;
3039 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3040 if(appData.seekGraph) {
3041 if(soughtPending && MatchSoughtLine(buf+i)) {
3042 i = strstr(buf+i, "rated") - buf;
3043 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3044 next_out = leftover_start = i;
3045 started = STARTED_CHATTER;
3046 suppressKibitz = TRUE;
3049 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3050 && looking_at(buf, &i, "* ads displayed")) {
3051 soughtPending = FALSE;
3056 if(appData.autoRefresh) {
3057 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3058 int s = (ics_type == ICS_ICC); // ICC format differs
3060 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3061 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3062 looking_at(buf, &i, "*% "); // eat prompt
3063 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3064 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3065 next_out = i; // suppress
3068 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3069 char *p = star_match[0];
3071 if(seekGraphUp) RemoveSeekAd(atoi(p));
3072 while(*p && *p++ != ' '); // next
3074 looking_at(buf, &i, "*% "); // eat prompt
3075 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3082 /* skip formula vars */
3083 if (started == STARTED_NONE &&
3084 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3085 started = STARTED_CHATTER;
3090 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3091 if (appData.autoKibitz && started == STARTED_NONE &&
3092 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3093 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3094 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3095 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3096 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3097 suppressKibitz = TRUE;
3098 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3100 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3101 && (gameMode == IcsPlayingWhite)) ||
3102 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3103 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3104 started = STARTED_CHATTER; // own kibitz we simply discard
3106 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3107 parse_pos = 0; parse[0] = NULLCHAR;
3108 savingComment = TRUE;
3109 suppressKibitz = gameMode != IcsObserving ? 2 :
3110 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3114 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3115 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3116 && atoi(star_match[0])) {
3117 // suppress the acknowledgements of our own autoKibitz
3119 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3120 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3121 SendToPlayer(star_match[0], strlen(star_match[0]));
3122 if(looking_at(buf, &i, "*% ")) // eat prompt
3123 suppressKibitz = FALSE;
3127 } // [HGM] kibitz: end of patch
3129 // [HGM] chat: intercept tells by users for which we have an open chat window
3131 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3132 looking_at(buf, &i, "* whispers:") ||
3133 looking_at(buf, &i, "* kibitzes:") ||
3134 looking_at(buf, &i, "* shouts:") ||
3135 looking_at(buf, &i, "* c-shouts:") ||
3136 looking_at(buf, &i, "--> * ") ||
3137 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3138 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3139 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3140 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3142 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3143 chattingPartner = -1;
3145 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3146 for(p=0; p<MAX_CHAT; p++) {
3147 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3148 talker[0] = '['; strcat(talker, "] ");
3149 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3150 chattingPartner = p; break;
3153 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3154 for(p=0; p<MAX_CHAT; p++) {
3155 if(!strcmp("kibitzes", chatPartner[p])) {
3156 talker[0] = '['; strcat(talker, "] ");
3157 chattingPartner = p; break;
3160 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3161 for(p=0; p<MAX_CHAT; p++) {
3162 if(!strcmp("whispers", chatPartner[p])) {
3163 talker[0] = '['; strcat(talker, "] ");
3164 chattingPartner = p; break;
3167 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3168 if(buf[i-8] == '-' && buf[i-3] == 't')
3169 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3170 if(!strcmp("c-shouts", chatPartner[p])) {
3171 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3172 chattingPartner = p; break;
3175 if(chattingPartner < 0)
3176 for(p=0; p<MAX_CHAT; p++) {
3177 if(!strcmp("shouts", chatPartner[p])) {
3178 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3179 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3180 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3181 chattingPartner = p; break;
3185 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3186 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3187 talker[0] = 0; Colorize(ColorTell, FALSE);
3188 chattingPartner = p; break;
3190 if(chattingPartner<0) i = oldi; else {
3191 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3192 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3193 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3194 started = STARTED_COMMENT;
3195 parse_pos = 0; parse[0] = NULLCHAR;
3196 savingComment = 3 + chattingPartner; // counts as TRUE
3197 suppressKibitz = TRUE;
3200 } // [HGM] chat: end of patch
3203 if (appData.zippyTalk || appData.zippyPlay) {
3204 /* [DM] Backup address for color zippy lines */
3206 if (loggedOn == TRUE)
3207 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3208 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3210 } // [DM] 'else { ' deleted
3212 /* Regular tells and says */
3213 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3214 looking_at(buf, &i, "* (your partner) tells you: ") ||
3215 looking_at(buf, &i, "* says: ") ||
3216 /* Don't color "message" or "messages" output */
3217 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3218 looking_at(buf, &i, "*. * at *:*: ") ||
3219 looking_at(buf, &i, "--* (*:*): ") ||
3220 /* Message notifications (same color as tells) */
3221 looking_at(buf, &i, "* has left a message ") ||
3222 looking_at(buf, &i, "* just sent you a message:\n") ||
3223 /* Whispers and kibitzes */
3224 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3225 looking_at(buf, &i, "* kibitzes: ") ||
3227 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3229 if (tkind == 1 && strchr(star_match[0], ':')) {
3230 /* Avoid "tells you:" spoofs in channels */
3233 if (star_match[0][0] == NULLCHAR ||
3234 strchr(star_match[0], ' ') ||
3235 (tkind == 3 && strchr(star_match[1], ' '))) {
3236 /* Reject bogus matches */
3239 if (appData.colorize) {
3240 if (oldi > next_out) {
3241 SendToPlayer(&buf[next_out], oldi - next_out);
3246 Colorize(ColorTell, FALSE);
3247 curColor = ColorTell;
3250 Colorize(ColorKibitz, FALSE);
3251 curColor = ColorKibitz;
3254 p = strrchr(star_match[1], '(');
3261 Colorize(ColorChannel1, FALSE);
3262 curColor = ColorChannel1;
3264 Colorize(ColorChannel, FALSE);
3265 curColor = ColorChannel;
3269 curColor = ColorNormal;
3273 if (started == STARTED_NONE && appData.autoComment &&
3274 (gameMode == IcsObserving ||
3275 gameMode == IcsPlayingWhite ||
3276 gameMode == IcsPlayingBlack)) {
3277 parse_pos = i - oldi;
3278 memcpy(parse, &buf[oldi], parse_pos);
3279 parse[parse_pos] = NULLCHAR;
3280 started = STARTED_COMMENT;
3281 savingComment = TRUE;
3283 started = STARTED_CHATTER;
3284 savingComment = FALSE;
3291 if (looking_at(buf, &i, "* s-shouts: ") ||
3292 looking_at(buf, &i, "* c-shouts: ")) {
3293 if (appData.colorize) {
3294 if (oldi > next_out) {
3295 SendToPlayer(&buf[next_out], oldi - next_out);
3298 Colorize(ColorSShout, FALSE);
3299 curColor = ColorSShout;
3302 started = STARTED_CHATTER;
3306 if (looking_at(buf, &i, "--->")) {
3311 if (looking_at(buf, &i, "* shouts: ") ||
3312 looking_at(buf, &i, "--> ")) {
3313 if (appData.colorize) {
3314 if (oldi > next_out) {
3315 SendToPlayer(&buf[next_out], oldi - next_out);
3318 Colorize(ColorShout, FALSE);
3319 curColor = ColorShout;
3322 started = STARTED_CHATTER;
3326 if (looking_at( buf, &i, "Challenge:")) {
3327 if (appData.colorize) {
3328 if (oldi > next_out) {
3329 SendToPlayer(&buf[next_out], oldi - next_out);
3332 Colorize(ColorChallenge, FALSE);
3333 curColor = ColorChallenge;
3339 if (looking_at(buf, &i, "* offers you") ||
3340 looking_at(buf, &i, "* offers to be") ||
3341 looking_at(buf, &i, "* would like to") ||
3342 looking_at(buf, &i, "* requests to") ||
3343 looking_at(buf, &i, "Your opponent offers") ||
3344 looking_at(buf, &i, "Your opponent requests")) {
3346 if (appData.colorize) {
3347 if (oldi > next_out) {
3348 SendToPlayer(&buf[next_out], oldi - next_out);
3351 Colorize(ColorRequest, FALSE);
3352 curColor = ColorRequest;
3357 if (looking_at(buf, &i, "* (*) seeking")) {
3358 if (appData.colorize) {
3359 if (oldi > next_out) {
3360 SendToPlayer(&buf[next_out], oldi - next_out);
3363 Colorize(ColorSeek, FALSE);
3364 curColor = ColorSeek;
3369 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3371 if (looking_at(buf, &i, "\\ ")) {
3372 if (prevColor != ColorNormal) {
3373 if (oldi > next_out) {
3374 SendToPlayer(&buf[next_out], oldi - next_out);
3377 Colorize(prevColor, TRUE);
3378 curColor = prevColor;
3380 if (savingComment) {
3381 parse_pos = i - oldi;
3382 memcpy(parse, &buf[oldi], parse_pos);
3383 parse[parse_pos] = NULLCHAR;
3384 started = STARTED_COMMENT;
3385 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3386 chattingPartner = savingComment - 3; // kludge to remember the box
3388 started = STARTED_CHATTER;
3393 if (looking_at(buf, &i, "Black Strength :") ||
3394 looking_at(buf, &i, "<<< style 10 board >>>") ||
3395 looking_at(buf, &i, "<10>") ||
3396 looking_at(buf, &i, "#@#")) {
3397 /* Wrong board style */
3399 SendToICS(ics_prefix);
3400 SendToICS("set style 12\n");
3401 SendToICS(ics_prefix);
3402 SendToICS("refresh\n");
3406 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3408 have_sent_ICS_logon = 1;
3412 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3413 (looking_at(buf, &i, "\n<12> ") ||
3414 looking_at(buf, &i, "<12> "))) {
3416 if (oldi > next_out) {
3417 SendToPlayer(&buf[next_out], oldi - next_out);
3420 started = STARTED_BOARD;
3425 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3426 looking_at(buf, &i, "<b1> ")) {
3427 if (oldi > next_out) {
3428 SendToPlayer(&buf[next_out], oldi - next_out);
3431 started = STARTED_HOLDINGS;
3436 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3438 /* Header for a move list -- first line */
3440 switch (ics_getting_history) {
3444 case BeginningOfGame:
3445 /* User typed "moves" or "oldmoves" while we
3446 were idle. Pretend we asked for these
3447 moves and soak them up so user can step
3448 through them and/or save them.
3451 gameMode = IcsObserving;
3454 ics_getting_history = H_GOT_UNREQ_HEADER;
3456 case EditGame: /*?*/
3457 case EditPosition: /*?*/
3458 /* Should above feature work in these modes too? */
3459 /* For now it doesn't */
3460 ics_getting_history = H_GOT_UNWANTED_HEADER;
3463 ics_getting_history = H_GOT_UNWANTED_HEADER;
3468 /* Is this the right one? */
3469 if (gameInfo.white && gameInfo.black &&
3470 strcmp(gameInfo.white, star_match[0]) == 0 &&
3471 strcmp(gameInfo.black, star_match[2]) == 0) {
3473 ics_getting_history = H_GOT_REQ_HEADER;
3476 case H_GOT_REQ_HEADER:
3477 case H_GOT_UNREQ_HEADER:
3478 case H_GOT_UNWANTED_HEADER:
3479 case H_GETTING_MOVES:
3480 /* Should not happen */
3481 DisplayError(_("Error gathering move list: two headers"), 0);
3482 ics_getting_history = H_FALSE;
3486 /* Save player ratings into gameInfo if needed */
3487 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3488 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3489 (gameInfo.whiteRating == -1 ||
3490 gameInfo.blackRating == -1)) {
3492 gameInfo.whiteRating = string_to_rating(star_match[1]);
3493 gameInfo.blackRating = string_to_rating(star_match[3]);
3494 if (appData.debugMode)
3495 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3496 gameInfo.whiteRating, gameInfo.blackRating);
3501 if (looking_at(buf, &i,
3502 "* * match, initial time: * minute*, increment: * second")) {
3503 /* Header for a move list -- second line */
3504 /* Initial board will follow if this is a wild game */
3505 if (gameInfo.event != NULL) free(gameInfo.event);
3506 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3507 gameInfo.event = StrSave(str);
3508 /* [HGM] we switched variant. Translate boards if needed. */
3509 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3513 if (looking_at(buf, &i, "Move ")) {
3514 /* Beginning of a move list */
3515 switch (ics_getting_history) {
3517 /* Normally should not happen */
3518 /* Maybe user hit reset while we were parsing */
3521 /* Happens if we are ignoring a move list that is not
3522 * the one we just requested. Common if the user
3523 * tries to observe two games without turning off
3526 case H_GETTING_MOVES:
3527 /* Should not happen */
3528 DisplayError(_("Error gathering move list: nested"), 0);
3529 ics_getting_history = H_FALSE;
3531 case H_GOT_REQ_HEADER:
3532 ics_getting_history = H_GETTING_MOVES;
3533 started = STARTED_MOVES;
3535 if (oldi > next_out) {
3536 SendToPlayer(&buf[next_out], oldi - next_out);
3539 case H_GOT_UNREQ_HEADER:
3540 ics_getting_history = H_GETTING_MOVES;
3541 started = STARTED_MOVES_NOHIDE;
3544 case H_GOT_UNWANTED_HEADER:
3545 ics_getting_history = H_FALSE;
3551 if (looking_at(buf, &i, "% ") ||
3552 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3553 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3554 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3555 soughtPending = FALSE;
3559 if(suppressKibitz) next_out = i;
3560 savingComment = FALSE;
3564 case STARTED_MOVES_NOHIDE:
3565 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3566 parse[parse_pos + i - oldi] = NULLCHAR;
3567 ParseGameHistory(parse);
3569 if (appData.zippyPlay && first.initDone) {
3570 FeedMovesToProgram(&first, forwardMostMove);
3571 if (gameMode == IcsPlayingWhite) {
3572 if (WhiteOnMove(forwardMostMove)) {
3573 if (first.sendTime) {
3574 if (first.useColors) {
3575 SendToProgram("black\n", &first);
3577 SendTimeRemaining(&first, TRUE);
3579 if (first.useColors) {
3580 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3582 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3583 first.maybeThinking = TRUE;
3585 if (first.usePlayother) {
3586 if (first.sendTime) {
3587 SendTimeRemaining(&first, TRUE);
3589 SendToProgram("playother\n", &first);
3595 } else if (gameMode == IcsPlayingBlack) {
3596 if (!WhiteOnMove(forwardMostMove)) {
3597 if (first.sendTime) {
3598 if (first.useColors) {
3599 SendToProgram("white\n", &first);
3601 SendTimeRemaining(&first, FALSE);
3603 if (first.useColors) {
3604 SendToProgram("black\n", &first);
3606 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3607 first.maybeThinking = TRUE;
3609 if (first.usePlayother) {
3610 if (first.sendTime) {
3611 SendTimeRemaining(&first, FALSE);
3613 SendToProgram("playother\n", &first);
3622 if (gameMode == IcsObserving && ics_gamenum == -1) {
3623 /* Moves came from oldmoves or moves command
3624 while we weren't doing anything else.
3626 currentMove = forwardMostMove;
3627 ClearHighlights();/*!!could figure this out*/
3628 flipView = appData.flipView;
3629 DrawPosition(TRUE, boards[currentMove]);
3630 DisplayBothClocks();
3631 snprintf(str, MSG_SIZ, _("%s vs. %s"),
3632 gameInfo.white, gameInfo.black);
3636 /* Moves were history of an active game */
3637 if (gameInfo.resultDetails != NULL) {
3638 free(gameInfo.resultDetails);
3639 gameInfo.resultDetails = NULL;
3642 HistorySet(parseList, backwardMostMove,
3643 forwardMostMove, currentMove-1);
3644 DisplayMove(currentMove - 1);
3645 if (started == STARTED_MOVES) next_out = i;
3646 started = STARTED_NONE;
3647 ics_getting_history = H_FALSE;
3650 case STARTED_OBSERVE:
3651 started = STARTED_NONE;
3652 SendToICS(ics_prefix);
3653 SendToICS("refresh\n");
3659 if(bookHit) { // [HGM] book: simulate book reply
3660 static char bookMove[MSG_SIZ]; // a bit generous?
3662 programStats.nodes = programStats.depth = programStats.time =
3663 programStats.score = programStats.got_only_move = 0;
3664 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3666 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3667 strcat(bookMove, bookHit);
3668 HandleMachineMove(bookMove, &first);
3673 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3674 started == STARTED_HOLDINGS ||
3675 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3676 /* Accumulate characters in move list or board */
3677 parse[parse_pos++] = buf[i];
3680 /* Start of game messages. Mostly we detect start of game
3681 when the first board image arrives. On some versions
3682 of the ICS, though, we need to do a "refresh" after starting
3683 to observe in order to get the current board right away. */
3684 if (looking_at(buf, &i, "Adding game * to observation list")) {
3685 started = STARTED_OBSERVE;
3689 /* Handle auto-observe */
3690 if (appData.autoObserve &&
3691 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3692 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3694 /* Choose the player that was highlighted, if any. */
3695 if (star_match[0][0] == '\033' ||
3696 star_match[1][0] != '\033') {
3697 player = star_match[0];
3699 player = star_match[2];
3701 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3702 ics_prefix, StripHighlightAndTitle(player));
3705 /* Save ratings from notify string */
3706 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3707 player1Rating = string_to_rating(star_match[1]);
3708 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3709 player2Rating = string_to_rating(star_match[3]);
3711 if (appData.debugMode)
3713 "Ratings from 'Game notification:' %s %d, %s %d\n",
3714 player1Name, player1Rating,
3715 player2Name, player2Rating);
3720 /* Deal with automatic examine mode after a game,
3721 and with IcsObserving -> IcsExamining transition */
3722 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3723 looking_at(buf, &i, "has made you an examiner of game *")) {
3725 int gamenum = atoi(star_match[0]);
3726 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3727 gamenum == ics_gamenum) {
3728 /* We were already playing or observing this game;
3729 no need to refetch history */
3730 gameMode = IcsExamining;
3732 pauseExamForwardMostMove = forwardMostMove;
3733 } else if (currentMove < forwardMostMove) {
3734 ForwardInner(forwardMostMove);
3737 /* I don't think this case really can happen */
3738 SendToICS(ics_prefix);
3739 SendToICS("refresh\n");
3744 /* Error messages */
3745 // if (ics_user_moved) {
3746 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3747 if (looking_at(buf, &i, "Illegal move") ||
3748 looking_at(buf, &i, "Not a legal move") ||
3749 looking_at(buf, &i, "Your king is in check") ||
3750 looking_at(buf, &i, "It isn't your turn") ||
3751 looking_at(buf, &i, "It is not your move")) {
3753 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3754 currentMove = forwardMostMove-1;
3755 DisplayMove(currentMove - 1); /* before DMError */
3756 DrawPosition(FALSE, boards[currentMove]);
3757 SwitchClocks(forwardMostMove-1); // [HGM] race
3758 DisplayBothClocks();
3760 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3766 if (looking_at(buf, &i, "still have time") ||
3767 looking_at(buf, &i, "not out of time") ||
3768 looking_at(buf, &i, "either player is out of time") ||
3769 looking_at(buf, &i, "has timeseal; checking")) {
3770 /* We must have called his flag a little too soon */
3771 whiteFlag = blackFlag = FALSE;
3775 if (looking_at(buf, &i, "added * seconds to") ||
3776 looking_at(buf, &i, "seconds were added to")) {
3777 /* Update the clocks */
3778 SendToICS(ics_prefix);
3779 SendToICS("refresh\n");
3783 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3784 ics_clock_paused = TRUE;
3789 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3790 ics_clock_paused = FALSE;
3795 /* Grab player ratings from the Creating: message.
3796 Note we have to check for the special case when
3797 the ICS inserts things like [white] or [black]. */
3798 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3799 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3801 0 player 1 name (not necessarily white)
3803 2 empty, white, or black (IGNORED)
3804 3 player 2 name (not necessarily black)
3807 The names/ratings are sorted out when the game
3808 actually starts (below).
3810 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3811 player1Rating = string_to_rating(star_match[1]);
3812 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3813 player2Rating = string_to_rating(star_match[4]);
3815 if (appData.debugMode)
3817 "Ratings from 'Creating:' %s %d, %s %d\n",
3818 player1Name, player1Rating,
3819 player2Name, player2Rating);
3824 /* Improved generic start/end-of-game messages */
3825 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3826 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3827 /* If tkind == 0: */
3828 /* star_match[0] is the game number */
3829 /* [1] is the white player's name */
3830 /* [2] is the black player's name */
3831 /* For end-of-game: */
3832 /* [3] is the reason for the game end */
3833 /* [4] is a PGN end game-token, preceded by " " */
3834 /* For start-of-game: */
3835 /* [3] begins with "Creating" or "Continuing" */
3836 /* [4] is " *" or empty (don't care). */
3837 int gamenum = atoi(star_match[0]);
3838 char *whitename, *blackname, *why, *endtoken;
3839 ChessMove endtype = EndOfFile;
3842 whitename = star_match[1];
3843 blackname = star_match[2];
3844 why = star_match[3];
3845 endtoken = star_match[4];
3847 whitename = star_match[1];
3848 blackname = star_match[3];
3849 why = star_match[5];
3850 endtoken = star_match[6];
3853 /* Game start messages */
3854 if (strncmp(why, "Creating ", 9) == 0 ||
3855 strncmp(why, "Continuing ", 11) == 0) {
3856 gs_gamenum = gamenum;
3857 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3858 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3859 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3861 if (appData.zippyPlay) {
3862 ZippyGameStart(whitename, blackname);
3865 partnerBoardValid = FALSE; // [HGM] bughouse
3869 /* Game end messages */
3870 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3871 ics_gamenum != gamenum) {
3874 while (endtoken[0] == ' ') endtoken++;
3875 switch (endtoken[0]) {
3878 endtype = GameUnfinished;
3881 endtype = BlackWins;
3884 if (endtoken[1] == '/')
3885 endtype = GameIsDrawn;
3887 endtype = WhiteWins;
3890 GameEnds(endtype, why, GE_ICS);
3892 if (appData.zippyPlay && first.initDone) {
3893 ZippyGameEnd(endtype, why);
3894 if (first.pr == NoProc) {
3895 /* Start the next process early so that we'll
3896 be ready for the next challenge */
3897 StartChessProgram(&first);
3899 /* Send "new" early, in case this command takes
3900 a long time to finish, so that we'll be ready
3901 for the next challenge. */
3902 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3906 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3910 if (looking_at(buf, &i, "Removing game * from observation") ||
3911 looking_at(buf, &i, "no longer observing game *") ||
3912 looking_at(buf, &i, "Game * (*) has no examiners")) {
3913 if (gameMode == IcsObserving &&
3914 atoi(star_match[0]) == ics_gamenum)
3916 /* icsEngineAnalyze */
3917 if (appData.icsEngineAnalyze) {
3924 ics_user_moved = FALSE;
3929 if (looking_at(buf, &i, "no longer examining game *")) {
3930 if (gameMode == IcsExamining &&
3931 atoi(star_match[0]) == ics_gamenum)
3935 ics_user_moved = FALSE;
3940 /* Advance leftover_start past any newlines we find,
3941 so only partial lines can get reparsed */
3942 if (looking_at(buf, &i, "\n")) {
3943 prevColor = curColor;
3944 if (curColor != ColorNormal) {
3945 if (oldi > next_out) {
3946 SendToPlayer(&buf[next_out], oldi - next_out);
3949 Colorize(ColorNormal, FALSE);
3950 curColor = ColorNormal;
3952 if (started == STARTED_BOARD) {
3953 started = STARTED_NONE;
3954 parse[parse_pos] = NULLCHAR;
3955 ParseBoard12(parse);
3958 /* Send premove here */
3959 if (appData.premove) {
3961 if (currentMove == 0 &&
3962 gameMode == IcsPlayingWhite &&
3963 appData.premoveWhite) {
3964 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3965 if (appData.debugMode)
3966 fprintf(debugFP, "Sending premove:\n");
3968 } else if (currentMove == 1 &&
3969 gameMode == IcsPlayingBlack &&
3970 appData.premoveBlack) {
3971 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3972 if (appData.debugMode)
3973 fprintf(debugFP, "Sending premove:\n");
3975 } else if (gotPremove) {
3977 ClearPremoveHighlights();
3978 if (appData.debugMode)
3979 fprintf(debugFP, "Sending premove:\n");
3980 UserMoveEvent(premoveFromX, premoveFromY,
3981 premoveToX, premoveToY,
3986 /* Usually suppress following prompt */
3987 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3988 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3989 if (looking_at(buf, &i, "*% ")) {
3990 savingComment = FALSE;
3995 } else if (started == STARTED_HOLDINGS) {
3997 char new_piece[MSG_SIZ];
3998 started = STARTED_NONE;
3999 parse[parse_pos] = NULLCHAR;
4000 if (appData.debugMode)
4001 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4002 parse, currentMove);
4003 if (sscanf(parse, " game %d", &gamenum) == 1) {
4004 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4005 if (gameInfo.variant == VariantNormal) {
4006 /* [HGM] We seem to switch variant during a game!
4007 * Presumably no holdings were displayed, so we have
4008 * to move the position two files to the right to
4009 * create room for them!
4011 VariantClass newVariant;
4012 switch(gameInfo.boardWidth) { // base guess on board width
4013 case 9: newVariant = VariantShogi; break;
4014 case 10: newVariant = VariantGreat; break;
4015 default: newVariant = VariantCrazyhouse; break;
4017 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4018 /* Get a move list just to see the header, which
4019 will tell us whether this is really bug or zh */
4020 if (ics_getting_history == H_FALSE) {
4021 ics_getting_history = H_REQUESTED;
4022 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4026 new_piece[0] = NULLCHAR;
4027 sscanf(parse, "game %d white [%s black [%s <- %s",
4028 &gamenum, white_holding, black_holding,
4030 white_holding[strlen(white_holding)-1] = NULLCHAR;
4031 black_holding[strlen(black_holding)-1] = NULLCHAR;
4032 /* [HGM] copy holdings to board holdings area */
4033 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4034 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4035 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4037 if (appData.zippyPlay && first.initDone) {
4038 ZippyHoldings(white_holding, black_holding,
4042 if (tinyLayout || smallLayout) {
4043 char wh[16], bh[16];
4044 PackHolding(wh, white_holding);
4045 PackHolding(bh, black_holding);
4046 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4047 gameInfo.white, gameInfo.black);
4049 snprintf(str, MSG_SIZ, _("%s [%s] vs. %s [%s]"),
4050 gameInfo.white, white_holding,
4051 gameInfo.black, black_holding);
4053 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4054 DrawPosition(FALSE, boards[currentMove]);
4056 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4057 sscanf(parse, "game %d white [%s black [%s <- %s",
4058 &gamenum, white_holding, black_holding,
4060 white_holding[strlen(white_holding)-1] = NULLCHAR;
4061 black_holding[strlen(black_holding)-1] = NULLCHAR;
4062 /* [HGM] copy holdings to partner-board holdings area */
4063 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4064 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4065 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4066 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4067 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4070 /* Suppress following prompt */
4071 if (looking_at(buf, &i, "*% ")) {
4072 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4073 savingComment = FALSE;
4081 i++; /* skip unparsed character and loop back */
4084 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4085 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4086 // SendToPlayer(&buf[next_out], i - next_out);
4087 started != STARTED_HOLDINGS && leftover_start > next_out) {
4088 SendToPlayer(&buf[next_out], leftover_start - next_out);
4092 leftover_len = buf_len - leftover_start;
4093 /* if buffer ends with something we couldn't parse,
4094 reparse it after appending the next read */
4096 } else if (count == 0) {
4097 RemoveInputSource(isr);
4098 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4100 DisplayFatalError(_("Error reading from ICS"), error, 1);
4105 /* Board style 12 looks like this:
4107 <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
4109 * The "<12> " is stripped before it gets to this routine. The two
4110 * trailing 0's (flip state and clock ticking) are later addition, and
4111 * some chess servers may not have them, or may have only the first.
4112 * Additional trailing fields may be added in the future.
4115 #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"
4117 #define RELATION_OBSERVING_PLAYED 0
4118 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4119 #define RELATION_PLAYING_MYMOVE 1
4120 #define RELATION_PLAYING_NOTMYMOVE -1
4121 #define RELATION_EXAMINING 2
4122 #define RELATION_ISOLATED_BOARD -3
4123 #define RELATION_STARTING_POSITION -4 /* FICS only */
4126 ParseBoard12(string)
4129 GameMode newGameMode;
4130 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4131 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4132 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4133 char to_play, board_chars[200];
4134 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4135 char black[32], white[32];
4137 int prevMove = currentMove;
4140 int fromX, fromY, toX, toY;
4142 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4143 char *bookHit = NULL; // [HGM] book
4144 Boolean weird = FALSE, reqFlag = FALSE;
4146 fromX = fromY = toX = toY = -1;
4150 if (appData.debugMode)
4151 fprintf(debugFP, _("Parsing board: %s\n"), string);
4153 move_str[0] = NULLCHAR;
4154 elapsed_time[0] = NULLCHAR;
4155 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4157 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4158 if(string[i] == ' ') { ranks++; files = 0; }
4160 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4163 for(j = 0; j <i; j++) board_chars[j] = string[j];
4164 board_chars[i] = '\0';
4167 n = sscanf(string, PATTERN, &to_play, &double_push,
4168 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4169 &gamenum, white, black, &relation, &basetime, &increment,
4170 &white_stren, &black_stren, &white_time, &black_time,
4171 &moveNum, str, elapsed_time, move_str, &ics_flip,
4175 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4176 DisplayError(str, 0);
4180 /* Convert the move number to internal form */
4181 moveNum = (moveNum - 1) * 2;
4182 if (to_play == 'B') moveNum++;
4183 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4184 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4190 case RELATION_OBSERVING_PLAYED:
4191 case RELATION_OBSERVING_STATIC:
4192 if (gamenum == -1) {
4193 /* Old ICC buglet */
4194 relation = RELATION_OBSERVING_STATIC;
4196 newGameMode = IcsObserving;
4198 case RELATION_PLAYING_MYMOVE:
4199 case RELATION_PLAYING_NOTMYMOVE:
4201 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4202 IcsPlayingWhite : IcsPlayingBlack;
4204 case RELATION_EXAMINING:
4205 newGameMode = IcsExamining;
4207 case RELATION_ISOLATED_BOARD:
4209 /* Just display this board. If user was doing something else,
4210 we will forget about it until the next board comes. */
4211 newGameMode = IcsIdle;
4213 case RELATION_STARTING_POSITION:
4214 newGameMode = gameMode;
4218 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4219 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4220 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4222 for (k = 0; k < ranks; k++) {
4223 for (j = 0; j < files; j++)
4224 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4225 if(gameInfo.holdingsWidth > 1) {
4226 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4227 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4230 CopyBoard(partnerBoard, board);
4231 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4232 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4233 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4234 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4235 if(toSqr = strchr(str, '-')) {
4236 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4237 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4238 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4239 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4240 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4241 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4242 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4243 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4244 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4245 DisplayMessage(partnerStatus, "");
4246 partnerBoardValid = TRUE;
4250 /* Modify behavior for initial board display on move listing
4253 switch (ics_getting_history) {
4257 case H_GOT_REQ_HEADER:
4258 case H_GOT_UNREQ_HEADER:
4259 /* This is the initial position of the current game */
4260 gamenum = ics_gamenum;
4261 moveNum = 0; /* old ICS bug workaround */
4262 if (to_play == 'B') {
4263 startedFromSetupPosition = TRUE;
4264 blackPlaysFirst = TRUE;
4266 if (forwardMostMove == 0) forwardMostMove = 1;
4267 if (backwardMostMove == 0) backwardMostMove = 1;
4268 if (currentMove == 0) currentMove = 1;
4270 newGameMode = gameMode;
4271 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4273 case H_GOT_UNWANTED_HEADER:
4274 /* This is an initial board that we don't want */
4276 case H_GETTING_MOVES:
4277 /* Should not happen */
4278 DisplayError(_("Error gathering move list: extra board"), 0);
4279 ics_getting_history = H_FALSE;
4283 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4284 weird && (int)gameInfo.variant < (int)VariantShogi) {
4285 /* [HGM] We seem to have switched variant unexpectedly
4286 * Try to guess new variant from board size
4288 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4289 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4290 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4291 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4292 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4293 if(!weird) newVariant = VariantNormal;
4294 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4295 /* Get a move list just to see the header, which
4296 will tell us whether this is really bug or zh */
4297 if (ics_getting_history == H_FALSE) {
4298 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4299 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4304 /* Take action if this is the first board of a new game, or of a
4305 different game than is currently being displayed. */
4306 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4307 relation == RELATION_ISOLATED_BOARD) {
4309 /* Forget the old game and get the history (if any) of the new one */
4310 if (gameMode != BeginningOfGame) {
4314 if (appData.autoRaiseBoard) BoardToTop();
4316 if (gamenum == -1) {
4317 newGameMode = IcsIdle;
4318 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4319 appData.getMoveList && !reqFlag) {
4320 /* Need to get game history */
4321 ics_getting_history = H_REQUESTED;
4322 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4326 /* Initially flip the board to have black on the bottom if playing
4327 black or if the ICS flip flag is set, but let the user change
4328 it with the Flip View button. */
4329 flipView = appData.autoFlipView ?
4330 (newGameMode == IcsPlayingBlack) || ics_flip :
4333 /* Done with values from previous mode; copy in new ones */
4334 gameMode = newGameMode;
4336 ics_gamenum = gamenum;
4337 if (gamenum == gs_gamenum) {
4338 int klen = strlen(gs_kind);
4339 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4340 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4341 gameInfo.event = StrSave(str);
4343 gameInfo.event = StrSave("ICS game");
4345 gameInfo.site = StrSave(appData.icsHost);
4346 gameInfo.date = PGNDate();
4347 gameInfo.round = StrSave("-");
4348 gameInfo.white = StrSave(white);
4349 gameInfo.black = StrSave(black);
4350 timeControl = basetime * 60 * 1000;
4352 timeIncrement = increment * 1000;
4353 movesPerSession = 0;
4354 gameInfo.timeControl = TimeControlTagValue();
4355 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4356 if (appData.debugMode) {
4357 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4358 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4359 setbuf(debugFP, NULL);
4362 gameInfo.outOfBook = NULL;
4364 /* Do we have the ratings? */
4365 if (strcmp(player1Name, white) == 0 &&
4366 strcmp(player2Name, black) == 0) {
4367 if (appData.debugMode)
4368 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4369 player1Rating, player2Rating);
4370 gameInfo.whiteRating = player1Rating;
4371 gameInfo.blackRating = player2Rating;
4372 } else if (strcmp(player2Name, white) == 0 &&
4373 strcmp(player1Name, black) == 0) {
4374 if (appData.debugMode)
4375 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4376 player2Rating, player1Rating);
4377 gameInfo.whiteRating = player2Rating;
4378 gameInfo.blackRating = player1Rating;
4380 player1Name[0] = player2Name[0] = NULLCHAR;
4382 /* Silence shouts if requested */
4383 if (appData.quietPlay &&
4384 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4385 SendToICS(ics_prefix);
4386 SendToICS("set shout 0\n");
4390 /* Deal with midgame name changes */
4392 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4393 if (gameInfo.white) free(gameInfo.white);
4394 gameInfo.white = StrSave(white);
4396 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4397 if (gameInfo.black) free(gameInfo.black);
4398 gameInfo.black = StrSave(black);
4402 /* Throw away game result if anything actually changes in examine mode */
4403 if (gameMode == IcsExamining && !newGame) {
4404 gameInfo.result = GameUnfinished;
4405 if (gameInfo.resultDetails != NULL) {
4406 free(gameInfo.resultDetails);
4407 gameInfo.resultDetails = NULL;
4411 /* In pausing && IcsExamining mode, we ignore boards coming
4412 in if they are in a different variation than we are. */
4413 if (pauseExamInvalid) return;
4414 if (pausing && gameMode == IcsExamining) {
4415 if (moveNum <= pauseExamForwardMostMove) {
4416 pauseExamInvalid = TRUE;
4417 forwardMostMove = pauseExamForwardMostMove;
4422 if (appData.debugMode) {
4423 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4425 /* Parse the board */
4426 for (k = 0; k < ranks; k++) {
4427 for (j = 0; j < files; j++)
4428 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4429 if(gameInfo.holdingsWidth > 1) {
4430 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4431 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4434 CopyBoard(boards[moveNum], board);
4435 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4437 startedFromSetupPosition =
4438 !CompareBoards(board, initialPosition);
4439 if(startedFromSetupPosition)
4440 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4443 /* [HGM] Set castling rights. Take the outermost Rooks,
4444 to make it also work for FRC opening positions. Note that board12
4445 is really defective for later FRC positions, as it has no way to
4446 indicate which Rook can castle if they are on the same side of King.
4447 For the initial position we grant rights to the outermost Rooks,
4448 and remember thos rights, and we then copy them on positions
4449 later in an FRC game. This means WB might not recognize castlings with
4450 Rooks that have moved back to their original position as illegal,
4451 but in ICS mode that is not its job anyway.
4453 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4454 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4456 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4457 if(board[0][i] == WhiteRook) j = i;
4458 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4459 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4460 if(board[0][i] == WhiteRook) j = i;
4461 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4462 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4463 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4464 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4465 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4466 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4467 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4469 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4470 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4471 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4472 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4473 if(board[BOARD_HEIGHT-1][k] == bKing)
4474 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4475 if(gameInfo.variant == VariantTwoKings) {
4476 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4477 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4478 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4481 r = boards[moveNum][CASTLING][0] = initialRights[0];
4482 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4483 r = boards[moveNum][CASTLING][1] = initialRights[1];
4484 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4485 r = boards[moveNum][CASTLING][3] = initialRights[3];
4486 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4487 r = boards[moveNum][CASTLING][4] = initialRights[4];
4488 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4489 /* wildcastle kludge: always assume King has rights */
4490 r = boards[moveNum][CASTLING][2] = initialRights[2];
4491 r = boards[moveNum][CASTLING][5] = initialRights[5];
4493 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4494 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4497 if (ics_getting_history == H_GOT_REQ_HEADER ||
4498 ics_getting_history == H_GOT_UNREQ_HEADER) {
4499 /* This was an initial position from a move list, not
4500 the current position */
4504 /* Update currentMove and known move number limits */
4505 newMove = newGame || moveNum > forwardMostMove;
4508 forwardMostMove = backwardMostMove = currentMove = moveNum;
4509 if (gameMode == IcsExamining && moveNum == 0) {
4510 /* Workaround for ICS limitation: we are not told the wild
4511 type when starting to examine a game. But if we ask for
4512 the move list, the move list header will tell us */
4513 ics_getting_history = H_REQUESTED;
4514 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4517 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4518 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4520 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4521 /* [HGM] applied this also to an engine that is silently watching */
4522 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4523 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4524 gameInfo.variant == currentlyInitializedVariant) {
4525 takeback = forwardMostMove - moveNum;
4526 for (i = 0; i < takeback; i++) {
4527 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4528 SendToProgram("undo\n", &first);
4533 forwardMostMove = moveNum;
4534 if (!pausing || currentMove > forwardMostMove)
4535 currentMove = forwardMostMove;
4537 /* New part of history that is not contiguous with old part */
4538 if (pausing && gameMode == IcsExamining) {
4539 pauseExamInvalid = TRUE;
4540 forwardMostMove = pauseExamForwardMostMove;
4543 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4545 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4546 // [HGM] when we will receive the move list we now request, it will be
4547 // fed to the engine from the first move on. So if the engine is not
4548 // in the initial position now, bring it there.
4549 InitChessProgram(&first, 0);
4552 ics_getting_history = H_REQUESTED;
4553 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4556 forwardMostMove = backwardMostMove = currentMove = moveNum;
4559 /* Update the clocks */
4560 if (strchr(elapsed_time, '.')) {
4562 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4563 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4565 /* Time is in seconds */
4566 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4567 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4572 if (appData.zippyPlay && newGame &&
4573 gameMode != IcsObserving && gameMode != IcsIdle &&
4574 gameMode != IcsExamining)
4575 ZippyFirstBoard(moveNum, basetime, increment);
4578 /* Put the move on the move list, first converting
4579 to canonical algebraic form. */
4581 if (appData.debugMode) {
4582 if (appData.debugMode) { int f = forwardMostMove;
4583 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4584 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4585 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4587 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4588 fprintf(debugFP, "moveNum = %d\n", moveNum);
4589 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4590 setbuf(debugFP, NULL);
4592 if (moveNum <= backwardMostMove) {
4593 /* We don't know what the board looked like before
4595 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4596 strcat(parseList[moveNum - 1], " ");
4597 strcat(parseList[moveNum - 1], elapsed_time);
4598 moveList[moveNum - 1][0] = NULLCHAR;
4599 } else if (strcmp(move_str, "none") == 0) {
4600 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4601 /* Again, we don't know what the board looked like;
4602 this is really the start of the game. */
4603 parseList[moveNum - 1][0] = NULLCHAR;
4604 moveList[moveNum - 1][0] = NULLCHAR;
4605 backwardMostMove = moveNum;
4606 startedFromSetupPosition = TRUE;
4607 fromX = fromY = toX = toY = -1;
4609 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4610 // So we parse the long-algebraic move string in stead of the SAN move
4611 int valid; char buf[MSG_SIZ], *prom;
4613 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4614 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4615 // str looks something like "Q/a1-a2"; kill the slash
4617 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4618 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4619 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4620 strcat(buf, prom); // long move lacks promo specification!
4621 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4622 if(appData.debugMode)
4623 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4624 safeStrCpy(move_str, buf, MSG_SIZ);
4626 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4627 &fromX, &fromY, &toX, &toY, &promoChar)
4628 || ParseOneMove(buf, moveNum - 1, &moveType,
4629 &fromX, &fromY, &toX, &toY, &promoChar);
4630 // end of long SAN patch
4632 (void) CoordsToAlgebraic(boards[moveNum - 1],
4633 PosFlags(moveNum - 1),
4634 fromY, fromX, toY, toX, promoChar,
4635 parseList[moveNum-1]);
4636 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4642 if(gameInfo.variant != VariantShogi)
4643 strcat(parseList[moveNum - 1], "+");
4646 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4647 strcat(parseList[moveNum - 1], "#");
4650 strcat(parseList[moveNum - 1], " ");
4651 strcat(parseList[moveNum - 1], elapsed_time);
4652 /* currentMoveString is set as a side-effect of ParseOneMove */
4653 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4654 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4655 strcat(moveList[moveNum - 1], "\n");
4657 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4658 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4659 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4660 ChessSquare old, new = boards[moveNum][k][j];
4661 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4662 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4663 if(old == new) continue;
4664 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4665 else if(new == WhiteWazir || new == BlackWazir) {
4666 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4667 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4668 else boards[moveNum][k][j] = old; // preserve type of Gold
4669 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4670 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4673 /* Move from ICS was illegal!? Punt. */
4674 if (appData.debugMode) {
4675 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4676 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4678 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4679 strcat(parseList[moveNum - 1], " ");
4680 strcat(parseList[moveNum - 1], elapsed_time);
4681 moveList[moveNum - 1][0] = NULLCHAR;
4682 fromX = fromY = toX = toY = -1;
4685 if (appData.debugMode) {
4686 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4687 setbuf(debugFP, NULL);
4691 /* Send move to chess program (BEFORE animating it). */
4692 if (appData.zippyPlay && !newGame && newMove &&
4693 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4695 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4696 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4697 if (moveList[moveNum - 1][0] == NULLCHAR) {
4698 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4700 DisplayError(str, 0);
4702 if (first.sendTime) {
4703 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4705 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4706 if (firstMove && !bookHit) {
4708 if (first.useColors) {
4709 SendToProgram(gameMode == IcsPlayingWhite ?
4711 "black\ngo\n", &first);
4713 SendToProgram("go\n", &first);
4715 first.maybeThinking = TRUE;
4718 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4719 if (moveList[moveNum - 1][0] == NULLCHAR) {
4720 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4721 DisplayError(str, 0);
4723 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4724 SendMoveToProgram(moveNum - 1, &first);
4731 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4732 /* If move comes from a remote source, animate it. If it
4733 isn't remote, it will have already been animated. */
4734 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4735 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4737 if (!pausing && appData.highlightLastMove) {
4738 SetHighlights(fromX, fromY, toX, toY);
4742 /* Start the clocks */
4743 whiteFlag = blackFlag = FALSE;
4744 appData.clockMode = !(basetime == 0 && increment == 0);
4746 ics_clock_paused = TRUE;
4748 } else if (ticking == 1) {
4749 ics_clock_paused = FALSE;
4751 if (gameMode == IcsIdle ||
4752 relation == RELATION_OBSERVING_STATIC ||
4753 relation == RELATION_EXAMINING ||
4755 DisplayBothClocks();
4759 /* Display opponents and material strengths */
4760 if (gameInfo.variant != VariantBughouse &&
4761 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4762 if (tinyLayout || smallLayout) {
4763 if(gameInfo.variant == VariantNormal)
4764 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4765 gameInfo.white, white_stren, gameInfo.black, black_stren,
4766 basetime, increment);
4768 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4769 gameInfo.white, white_stren, gameInfo.black, black_stren,
4770 basetime, increment, (int) gameInfo.variant);
4772 if(gameInfo.variant == VariantNormal)
4773 snprintf(str, MSG_SIZ, _("%s (%d) vs. %s (%d) {%d %d}"),
4774 gameInfo.white, white_stren, gameInfo.black, black_stren,
4775 basetime, increment);
4777 snprintf(str, MSG_SIZ, _("%s (%d) vs. %s (%d) {%d %d %s}"),
4778 gameInfo.white, white_stren, gameInfo.black, black_stren,
4779 basetime, increment, VariantName(gameInfo.variant));
4782 if (appData.debugMode) {
4783 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4788 /* Display the board */
4789 if (!pausing && !appData.noGUI) {
4791 if (appData.premove)
4793 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4794 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4795 ClearPremoveHighlights();
4797 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4798 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4799 DrawPosition(j, boards[currentMove]);
4801 DisplayMove(moveNum - 1);
4802 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4803 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4804 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4805 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4809 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4811 if(bookHit) { // [HGM] book: simulate book reply
4812 static char bookMove[MSG_SIZ]; // a bit generous?
4814 programStats.nodes = programStats.depth = programStats.time =
4815 programStats.score = programStats.got_only_move = 0;
4816 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4818 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4819 strcat(bookMove, bookHit);
4820 HandleMachineMove(bookMove, &first);
4829 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4830 ics_getting_history = H_REQUESTED;
4831 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4837 AnalysisPeriodicEvent(force)
4840 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4841 && !force) || !appData.periodicUpdates)
4844 /* Send . command to Crafty to collect stats */
4845 SendToProgram(".\n", &first);
4847 /* Don't send another until we get a response (this makes
4848 us stop sending to old Crafty's which don't understand
4849 the "." command (sending illegal cmds resets node count & time,
4850 which looks bad)) */
4851 programStats.ok_to_send = 0;
4854 void ics_update_width(new_width)
4857 ics_printf("set width %d\n", new_width);
4861 SendMoveToProgram(moveNum, cps)
4863 ChessProgramState *cps;
4867 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4868 // null move in variant where engine does not understand it (for analysis purposes)
4869 SendBoard(cps, moveNum + 1); // send position after move in stead.
4872 if (cps->useUsermove) {
4873 SendToProgram("usermove ", cps);
4877 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4878 int len = space - parseList[moveNum];
4879 memcpy(buf, parseList[moveNum], len);
4881 buf[len] = NULLCHAR;
4883 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4885 SendToProgram(buf, cps);
4887 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4888 AlphaRank(moveList[moveNum], 4);
4889 SendToProgram(moveList[moveNum], cps);
4890 AlphaRank(moveList[moveNum], 4); // and back
4892 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4893 * the engine. It would be nice to have a better way to identify castle
4895 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4896 && cps->useOOCastle) {
4897 int fromX = moveList[moveNum][0] - AAA;
4898 int fromY = moveList[moveNum][1] - ONE;
4899 int toX = moveList[moveNum][2] - AAA;
4900 int toY = moveList[moveNum][3] - ONE;
4901 if((boards[moveNum][fromY][fromX] == WhiteKing
4902 && boards[moveNum][toY][toX] == WhiteRook)
4903 || (boards[moveNum][fromY][fromX] == BlackKing
4904 && boards[moveNum][toY][toX] == BlackRook)) {
4905 if(toX > fromX) SendToProgram("O-O\n", cps);
4906 else SendToProgram("O-O-O\n", cps);
4908 else SendToProgram(moveList[moveNum], cps);
4910 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4911 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4912 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4913 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4914 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4916 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4917 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4918 SendToProgram(buf, cps);
4920 else SendToProgram(moveList[moveNum], cps);
4921 /* End of additions by Tord */
4924 /* [HGM] setting up the opening has brought engine in force mode! */
4925 /* Send 'go' if we are in a mode where machine should play. */
4926 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4927 (gameMode == TwoMachinesPlay ||
4929 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4931 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4932 SendToProgram("go\n", cps);
4933 if (appData.debugMode) {
4934 fprintf(debugFP, "(extra)\n");
4937 setboardSpoiledMachineBlack = 0;
4941 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4943 int fromX, fromY, toX, toY;
4946 char user_move[MSG_SIZ];
4949 if(gameInfo.variant == VariantSChess && promoChar) {
4950 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4951 if(toX == BOARD_WIDTH>>1) moveType = WhitePromotion; // kludge to do gating at Rook
4952 } else suffix[0] = NULLCHAR;
4956 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4957 (int)moveType, fromX, fromY, toX, toY);
4958 DisplayError(user_move + strlen("say "), 0);
4960 case WhiteKingSideCastle:
4961 case BlackKingSideCastle:
4962 case WhiteQueenSideCastleWild:
4963 case BlackQueenSideCastleWild:
4965 case WhiteHSideCastleFR:
4966 case BlackHSideCastleFR:
4968 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4970 case WhiteQueenSideCastle:
4971 case BlackQueenSideCastle:
4972 case WhiteKingSideCastleWild:
4973 case BlackKingSideCastleWild:
4975 case WhiteASideCastleFR:
4976 case BlackASideCastleFR:
4978 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
4980 case WhiteNonPromotion:
4981 case BlackNonPromotion:
4982 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4984 case WhitePromotion:
4985 case BlackPromotion:
4986 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4987 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4988 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4989 PieceToChar(WhiteFerz));
4990 else if(gameInfo.variant == VariantGreat)
4991 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4992 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4993 PieceToChar(WhiteMan));
4995 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4996 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5002 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5003 ToUpper(PieceToChar((ChessSquare) fromX)),
5004 AAA + toX, ONE + toY);
5006 case IllegalMove: /* could be a variant we don't quite understand */
5007 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5009 case WhiteCapturesEnPassant:
5010 case BlackCapturesEnPassant:
5011 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5012 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5015 SendToICS(user_move);
5016 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5017 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5022 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5023 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5024 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5025 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5026 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5029 if(gameMode != IcsExamining) { // is this ever not the case?
5030 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5032 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5033 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5034 } else { // on FICS we must first go to general examine mode
5035 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5037 if(gameInfo.variant != VariantNormal) {
5038 // try figure out wild number, as xboard names are not always valid on ICS
5039 for(i=1; i<=36; i++) {
5040 snprintf(buf, MSG_SIZ, "wild/%d", i);
5041 if(StringToVariant(buf) == gameInfo.variant) break;
5043 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5044 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5045 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5046 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5047 SendToICS(ics_prefix);
5049 if(startedFromSetupPosition || backwardMostMove != 0) {
5050 fen = PositionToFEN(backwardMostMove, NULL);
5051 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5052 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5054 } else { // FICS: everything has to set by separate bsetup commands
5055 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5056 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5058 if(!WhiteOnMove(backwardMostMove)) {
5059 SendToICS("bsetup tomove black\n");
5061 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5062 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5064 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5065 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5067 i = boards[backwardMostMove][EP_STATUS];
5068 if(i >= 0) { // set e.p.
5069 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5075 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5076 SendToICS("bsetup done\n"); // switch to normal examining.
5078 for(i = backwardMostMove; i<last; i++) {
5080 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5083 SendToICS(ics_prefix);
5084 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5088 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5093 if (rf == DROP_RANK) {
5094 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5095 sprintf(move, "%c@%c%c\n",
5096 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5098 if (promoChar == 'x' || promoChar == NULLCHAR) {
5099 sprintf(move, "%c%c%c%c\n",
5100 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5102 sprintf(move, "%c%c%c%c%c\n",
5103 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5109 ProcessICSInitScript(f)
5114 while (fgets(buf, MSG_SIZ, f)) {
5115 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5122 static int lastX, lastY, selectFlag, dragging;
5127 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5128 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5129 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5130 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5131 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5132 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5135 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5136 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5137 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5138 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5139 if(!step) step = -1;
5140 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5141 appData.testLegality && (promoSweep == king ||
5142 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5143 ChangeDragPiece(promoSweep);
5146 int PromoScroll(int x, int y)
5150 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5151 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5152 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5153 if(!step) return FALSE;
5154 lastX = x; lastY = y;
5155 if((promoSweep < BlackPawn) == flipView) step = -step;
5156 if(step > 0) selectFlag = 1;
5157 if(!selectFlag) Sweep(step);
5164 ChessSquare piece = boards[currentMove][toY][toX];
5167 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5168 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5169 if(!step) step = -1;
5170 } while(PieceToChar(pieceSweep) == '.');
5171 boards[currentMove][toY][toX] = pieceSweep;
5172 DrawPosition(FALSE, boards[currentMove]);
5173 boards[currentMove][toY][toX] = piece;
5175 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5177 AlphaRank(char *move, int n)
5179 // char *p = move, c; int x, y;
5181 if (appData.debugMode) {
5182 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5186 move[2]>='0' && move[2]<='9' &&
5187 move[3]>='a' && move[3]<='x' ) {
5189 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5190 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5192 if(move[0]>='0' && move[0]<='9' &&
5193 move[1]>='a' && move[1]<='x' &&
5194 move[2]>='0' && move[2]<='9' &&
5195 move[3]>='a' && move[3]<='x' ) {
5196 /* input move, Shogi -> normal */
5197 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5198 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5199 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5200 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5203 move[3]>='0' && move[3]<='9' &&
5204 move[2]>='a' && move[2]<='x' ) {
5206 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5207 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5210 move[0]>='a' && move[0]<='x' &&
5211 move[3]>='0' && move[3]<='9' &&
5212 move[2]>='a' && move[2]<='x' ) {
5213 /* output move, normal -> Shogi */
5214 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5215 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5216 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5217 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5218 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5220 if (appData.debugMode) {
5221 fprintf(debugFP, " out = '%s'\n", move);
5225 char yy_textstr[8000];
5227 /* Parser for moves from gnuchess, ICS, or user typein box */
5229 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5232 ChessMove *moveType;
5233 int *fromX, *fromY, *toX, *toY;
5236 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5238 switch (*moveType) {
5239 case WhitePromotion:
5240 case BlackPromotion:
5241 case WhiteNonPromotion:
5242 case BlackNonPromotion:
5244 case WhiteCapturesEnPassant:
5245 case BlackCapturesEnPassant:
5246 case WhiteKingSideCastle:
5247 case WhiteQueenSideCastle:
5248 case BlackKingSideCastle:
5249 case BlackQueenSideCastle:
5250 case WhiteKingSideCastleWild:
5251 case WhiteQueenSideCastleWild:
5252 case BlackKingSideCastleWild:
5253 case BlackQueenSideCastleWild:
5254 /* Code added by Tord: */
5255 case WhiteHSideCastleFR:
5256 case WhiteASideCastleFR:
5257 case BlackHSideCastleFR:
5258 case BlackASideCastleFR:
5259 /* End of code added by Tord */
5260 case IllegalMove: /* bug or odd chess variant */
5261 *fromX = currentMoveString[0] - AAA;
5262 *fromY = currentMoveString[1] - ONE;
5263 *toX = currentMoveString[2] - AAA;
5264 *toY = currentMoveString[3] - ONE;
5265 *promoChar = currentMoveString[4];
5266 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5267 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5268 if (appData.debugMode) {
5269 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5271 *fromX = *fromY = *toX = *toY = 0;
5274 if (appData.testLegality) {
5275 return (*moveType != IllegalMove);
5277 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5278 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5283 *fromX = *moveType == WhiteDrop ?
5284 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5285 (int) CharToPiece(ToLower(currentMoveString[0]));
5287 *toX = currentMoveString[2] - AAA;
5288 *toY = currentMoveString[3] - ONE;
5289 *promoChar = NULLCHAR;
5293 case ImpossibleMove:
5303 if (appData.debugMode) {
5304 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5307 *fromX = *fromY = *toX = *toY = 0;
5308 *promoChar = NULLCHAR;
5313 Boolean pushed = FALSE;
5314 char *lastParseAttempt;
5317 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5318 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5319 int fromX, fromY, toX, toY; char promoChar;
5324 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5325 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5328 endPV = forwardMostMove;
5330 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5331 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5332 lastParseAttempt = pv;
5333 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5334 if(appData.debugMode){
5335 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);
5337 if(!valid && nr == 0 &&
5338 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5339 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5340 // Hande case where played move is different from leading PV move
5341 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5342 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5343 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5344 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5345 endPV += 2; // if position different, keep this
5346 moveList[endPV-1][0] = fromX + AAA;
5347 moveList[endPV-1][1] = fromY + ONE;
5348 moveList[endPV-1][2] = toX + AAA;
5349 moveList[endPV-1][3] = toY + ONE;
5350 parseList[endPV-1][0] = NULLCHAR;
5351 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5354 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5355 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5356 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5357 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5358 valid++; // allow comments in PV
5362 if(endPV+1 > framePtr) break; // no space, truncate
5365 CopyBoard(boards[endPV], boards[endPV-1]);
5366 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5367 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5368 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5369 CoordsToAlgebraic(boards[endPV - 1],
5370 PosFlags(endPV - 1),
5371 fromY, fromX, toY, toX, promoChar,
5372 parseList[endPV - 1]);
5374 if(atEnd == 2) return; // used hidden, for PV conversion
5375 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5376 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5377 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5378 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5379 DrawPosition(TRUE, boards[currentMove]);
5383 MultiPV(ChessProgramState *cps)
5384 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5386 for(i=0; i<cps->nrOptions; i++)
5387 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5393 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5395 int startPV, multi, lineStart, origIndex = index;
5396 char *p, buf2[MSG_SIZ];
5398 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5399 lastX = x; lastY = y;
5400 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5401 lineStart = startPV = index;
5402 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5403 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5405 do{ while(buf[index] && buf[index] != '\n') index++;
5406 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5408 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5409 int n = first.option[multi].value;
5410 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5411 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5412 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5413 first.option[multi].value = n;
5417 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5418 *start = startPV; *end = index-1;
5425 static char buf[10*MSG_SIZ];
5426 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5428 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5429 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5430 for(i = forwardMostMove; i<endPV; i++){
5431 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5432 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5435 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5436 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5442 LoadPV(int x, int y)
5443 { // called on right mouse click to load PV
5444 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5445 lastX = x; lastY = y;
5446 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5453 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5454 if(endPV < 0) return;
5456 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5457 Boolean saveAnimate = appData.animate;
5459 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5460 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5461 } else storedGames--; // abandon shelved tail of original game
5464 forwardMostMove = currentMove;
5465 currentMove = oldFMM;
5466 appData.animate = FALSE;
5467 ToNrEvent(forwardMostMove);
5468 appData.animate = saveAnimate;
5470 currentMove = forwardMostMove;
5471 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5472 ClearPremoveHighlights();
5473 DrawPosition(TRUE, boards[currentMove]);
5477 MovePV(int x, int y, int h)
5478 { // step through PV based on mouse coordinates (called on mouse move)
5479 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5481 // we must somehow check if right button is still down (might be released off board!)
5482 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5483 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5484 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5486 lastX = x; lastY = y;
5488 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5489 if(endPV < 0) return;
5490 if(y < margin) step = 1; else
5491 if(y > h - margin) step = -1;
5492 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5493 currentMove += step;
5494 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5495 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5496 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5497 DrawPosition(FALSE, boards[currentMove]);
5501 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5502 // All positions will have equal probability, but the current method will not provide a unique
5503 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5509 int piecesLeft[(int)BlackPawn];
5510 int seed, nrOfShuffles;
5512 void GetPositionNumber()
5513 { // sets global variable seed
5516 seed = appData.defaultFrcPosition;
5517 if(seed < 0) { // randomize based on time for negative FRC position numbers
5518 for(i=0; i<50; i++) seed += random();
5519 seed = random() ^ random() >> 8 ^ random() << 8;
5520 if(seed<0) seed = -seed;
5524 int put(Board board, int pieceType, int rank, int n, int shade)
5525 // put the piece on the (n-1)-th empty squares of the given shade
5529 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5530 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5531 board[rank][i] = (ChessSquare) pieceType;
5532 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5534 piecesLeft[pieceType]--;
5542 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5543 // calculate where the next piece goes, (any empty square), and put it there
5547 i = seed % squaresLeft[shade];
5548 nrOfShuffles *= squaresLeft[shade];
5549 seed /= squaresLeft[shade];
5550 put(board, pieceType, rank, i, shade);
5553 void AddTwoPieces(Board board, int pieceType, int rank)
5554 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5556 int i, n=squaresLeft[ANY], j=n-1, k;
5558 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5559 i = seed % k; // pick one
5562 while(i >= j) i -= j--;
5563 j = n - 1 - j; i += j;
5564 put(board, pieceType, rank, j, ANY);
5565 put(board, pieceType, rank, i, ANY);
5568 void SetUpShuffle(Board board, int number)
5572 GetPositionNumber(); nrOfShuffles = 1;
5574 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5575 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5576 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5578 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5580 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5581 p = (int) board[0][i];
5582 if(p < (int) BlackPawn) piecesLeft[p] ++;
5583 board[0][i] = EmptySquare;
5586 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5587 // shuffles restricted to allow normal castling put KRR first
5588 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5589 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5590 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5591 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5592 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5593 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5594 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5595 put(board, WhiteRook, 0, 0, ANY);
5596 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5599 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5600 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5601 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5602 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5603 while(piecesLeft[p] >= 2) {
5604 AddOnePiece(board, p, 0, LITE);
5605 AddOnePiece(board, p, 0, DARK);
5607 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5610 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5611 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5612 // but we leave King and Rooks for last, to possibly obey FRC restriction
5613 if(p == (int)WhiteRook) continue;
5614 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5615 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5618 // now everything is placed, except perhaps King (Unicorn) and Rooks
5620 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5621 // Last King gets castling rights
5622 while(piecesLeft[(int)WhiteUnicorn]) {
5623 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5624 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5627 while(piecesLeft[(int)WhiteKing]) {
5628 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5629 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5634 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5635 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5638 // Only Rooks can be left; simply place them all
5639 while(piecesLeft[(int)WhiteRook]) {
5640 i = put(board, WhiteRook, 0, 0, ANY);
5641 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5644 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5646 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5649 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5650 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5653 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5656 int SetCharTable( char *table, const char * map )
5657 /* [HGM] moved here from winboard.c because of its general usefulness */
5658 /* Basically a safe strcpy that uses the last character as King */
5660 int result = FALSE; int NrPieces;
5662 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5663 && NrPieces >= 12 && !(NrPieces&1)) {
5664 int i; /* [HGM] Accept even length from 12 to 34 */
5666 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5667 for( i=0; i<NrPieces/2-1; i++ ) {
5669 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5671 table[(int) WhiteKing] = map[NrPieces/2-1];
5672 table[(int) BlackKing] = map[NrPieces-1];
5680 void Prelude(Board board)
5681 { // [HGM] superchess: random selection of exo-pieces
5682 int i, j, k; ChessSquare p;
5683 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5685 GetPositionNumber(); // use FRC position number
5687 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5688 SetCharTable(pieceToChar, appData.pieceToCharTable);
5689 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5690 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5693 j = seed%4; seed /= 4;
5694 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = 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%3 + (seed%3 >= j); seed /= 3;
5698 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = 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%3; seed /= 3;
5702 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5703 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5704 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5705 j = seed%2 + (seed%2 >= j); seed /= 2;
5706 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5707 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5708 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5709 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5710 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5711 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5712 put(board, exoPieces[0], 0, 0, ANY);
5713 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5717 InitPosition(redraw)
5720 ChessSquare (* pieces)[BOARD_FILES];
5721 int i, j, pawnRow, overrule,
5722 oldx = gameInfo.boardWidth,
5723 oldy = gameInfo.boardHeight,
5724 oldh = gameInfo.holdingsWidth;
5727 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5729 /* [AS] Initialize pv info list [HGM] and game status */
5731 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5732 pvInfoList[i].depth = 0;
5733 boards[i][EP_STATUS] = EP_NONE;
5734 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5737 initialRulePlies = 0; /* 50-move counter start */
5739 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5740 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5744 /* [HGM] logic here is completely changed. In stead of full positions */
5745 /* the initialized data only consist of the two backranks. The switch */
5746 /* selects which one we will use, which is than copied to the Board */
5747 /* initialPosition, which for the rest is initialized by Pawns and */
5748 /* empty squares. This initial position is then copied to boards[0], */
5749 /* possibly after shuffling, so that it remains available. */
5751 gameInfo.holdingsWidth = 0; /* default board sizes */
5752 gameInfo.boardWidth = 8;
5753 gameInfo.boardHeight = 8;
5754 gameInfo.holdingsSize = 0;
5755 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5756 for(i=0; i<BOARD_FILES-2; i++)
5757 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5758 initialPosition[EP_STATUS] = EP_NONE;
5759 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5760 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5761 SetCharTable(pieceNickName, appData.pieceNickNames);
5762 else SetCharTable(pieceNickName, "............");
5765 switch (gameInfo.variant) {
5766 case VariantFischeRandom:
5767 shuffleOpenings = TRUE;
5770 case VariantShatranj:
5771 pieces = ShatranjArray;
5772 nrCastlingRights = 0;
5773 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5776 pieces = makrukArray;
5777 nrCastlingRights = 0;
5778 startedFromSetupPosition = TRUE;
5779 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5781 case VariantTwoKings:
5782 pieces = twoKingsArray;
5785 pieces = GrandArray;
5786 nrCastlingRights = 0;
5787 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5788 gameInfo.boardWidth = 10;
5789 gameInfo.boardHeight = 10;
5790 gameInfo.holdingsSize = 7;
5792 case VariantCapaRandom:
5793 shuffleOpenings = TRUE;
5794 case VariantCapablanca:
5795 pieces = CapablancaArray;
5796 gameInfo.boardWidth = 10;
5797 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5800 pieces = GothicArray;
5801 gameInfo.boardWidth = 10;
5802 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5805 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5806 gameInfo.holdingsSize = 7;
5809 pieces = JanusArray;
5810 gameInfo.boardWidth = 10;
5811 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5812 nrCastlingRights = 6;
5813 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5814 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5815 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5816 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5817 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5818 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5821 pieces = FalconArray;
5822 gameInfo.boardWidth = 10;
5823 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5825 case VariantXiangqi:
5826 pieces = XiangqiArray;
5827 gameInfo.boardWidth = 9;
5828 gameInfo.boardHeight = 10;
5829 nrCastlingRights = 0;
5830 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5833 pieces = ShogiArray;
5834 gameInfo.boardWidth = 9;
5835 gameInfo.boardHeight = 9;
5836 gameInfo.holdingsSize = 7;
5837 nrCastlingRights = 0;
5838 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5840 case VariantCourier:
5841 pieces = CourierArray;
5842 gameInfo.boardWidth = 12;
5843 nrCastlingRights = 0;
5844 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5846 case VariantKnightmate:
5847 pieces = KnightmateArray;
5848 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5850 case VariantSpartan:
5851 pieces = SpartanArray;
5852 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5855 pieces = fairyArray;
5856 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5859 pieces = GreatArray;
5860 gameInfo.boardWidth = 10;
5861 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5862 gameInfo.holdingsSize = 8;
5866 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5867 gameInfo.holdingsSize = 8;
5868 startedFromSetupPosition = TRUE;
5870 case VariantCrazyhouse:
5871 case VariantBughouse:
5873 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5874 gameInfo.holdingsSize = 5;
5876 case VariantWildCastle:
5878 /* !!?shuffle with kings guaranteed to be on d or e file */
5879 shuffleOpenings = 1;
5881 case VariantNoCastle:
5883 nrCastlingRights = 0;
5884 /* !!?unconstrained back-rank shuffle */
5885 shuffleOpenings = 1;
5890 if(appData.NrFiles >= 0) {
5891 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5892 gameInfo.boardWidth = appData.NrFiles;
5894 if(appData.NrRanks >= 0) {
5895 gameInfo.boardHeight = appData.NrRanks;
5897 if(appData.holdingsSize >= 0) {
5898 i = appData.holdingsSize;
5899 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5900 gameInfo.holdingsSize = i;
5902 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5903 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5904 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5906 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5907 if(pawnRow < 1) pawnRow = 1;
5908 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5910 /* User pieceToChar list overrules defaults */
5911 if(appData.pieceToCharTable != NULL)
5912 SetCharTable(pieceToChar, appData.pieceToCharTable);
5914 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5916 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5917 s = (ChessSquare) 0; /* account holding counts in guard band */
5918 for( i=0; i<BOARD_HEIGHT; i++ )
5919 initialPosition[i][j] = s;
5921 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5922 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5923 initialPosition[pawnRow][j] = WhitePawn;
5924 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5925 if(gameInfo.variant == VariantXiangqi) {
5927 initialPosition[pawnRow][j] =
5928 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5929 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5930 initialPosition[2][j] = WhiteCannon;
5931 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5935 if(gameInfo.variant == VariantGrand) {
5936 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5937 initialPosition[0][j] = WhiteRook;
5938 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5941 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5943 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5946 initialPosition[1][j] = WhiteBishop;
5947 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5949 initialPosition[1][j] = WhiteRook;
5950 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5953 if( nrCastlingRights == -1) {
5954 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5955 /* This sets default castling rights from none to normal corners */
5956 /* Variants with other castling rights must set them themselves above */
5957 nrCastlingRights = 6;
5959 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5960 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5961 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5962 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5963 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5964 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5967 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5968 if(gameInfo.variant == VariantGreat) { // promotion commoners
5969 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5970 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5971 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5972 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5974 if( gameInfo.variant == VariantSChess ) {
5975 initialPosition[1][0] = BlackMarshall;
5976 initialPosition[2][0] = BlackAngel;
5977 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5978 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5979 initialPosition[1][1] = initialPosition[2][1] =
5980 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5982 if (appData.debugMode) {
5983 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5985 if(shuffleOpenings) {
5986 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5987 startedFromSetupPosition = TRUE;
5989 if(startedFromPositionFile) {
5990 /* [HGM] loadPos: use PositionFile for every new game */
5991 CopyBoard(initialPosition, filePosition);
5992 for(i=0; i<nrCastlingRights; i++)
5993 initialRights[i] = filePosition[CASTLING][i];
5994 startedFromSetupPosition = TRUE;
5997 CopyBoard(boards[0], initialPosition);
5999 if(oldx != gameInfo.boardWidth ||
6000 oldy != gameInfo.boardHeight ||
6001 oldv != gameInfo.variant ||
6002 oldh != gameInfo.holdingsWidth
6004 InitDrawingSizes(-2 ,0);
6006 oldv = gameInfo.variant;
6008 DrawPosition(TRUE, boards[currentMove]);
6012 SendBoard(cps, moveNum)
6013 ChessProgramState *cps;
6016 char message[MSG_SIZ];
6018 if (cps->useSetboard) {
6019 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6020 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6021 SendToProgram(message, cps);
6027 /* Kludge to set black to move, avoiding the troublesome and now
6028 * deprecated "black" command.
6030 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6031 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6033 SendToProgram("edit\n", cps);
6034 SendToProgram("#\n", cps);
6035 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6036 bp = &boards[moveNum][i][BOARD_LEFT];
6037 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6038 if ((int) *bp < (int) BlackPawn) {
6039 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6041 if(message[0] == '+' || message[0] == '~') {
6042 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6043 PieceToChar((ChessSquare)(DEMOTED *bp)),
6046 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6047 message[1] = BOARD_RGHT - 1 - j + '1';
6048 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6050 SendToProgram(message, cps);
6055 SendToProgram("c\n", cps);
6056 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6057 bp = &boards[moveNum][i][BOARD_LEFT];
6058 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6059 if (((int) *bp != (int) EmptySquare)
6060 && ((int) *bp >= (int) BlackPawn)) {
6061 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6063 if(message[0] == '+' || message[0] == '~') {
6064 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6065 PieceToChar((ChessSquare)(DEMOTED *bp)),
6068 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6069 message[1] = BOARD_RGHT - 1 - j + '1';
6070 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6072 SendToProgram(message, cps);
6077 SendToProgram(".\n", cps);
6079 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6083 DefaultPromoChoice(int white)
6086 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6087 result = WhiteFerz; // no choice
6088 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6089 result= WhiteKing; // in Suicide Q is the last thing we want
6090 else if(gameInfo.variant == VariantSpartan)
6091 result = white ? WhiteQueen : WhiteAngel;
6092 else result = WhiteQueen;
6093 if(!white) result = WHITE_TO_BLACK result;
6097 static int autoQueen; // [HGM] oneclick
6100 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6102 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6103 /* [HGM] add Shogi promotions */
6104 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6109 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6110 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6112 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6113 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6116 piece = boards[currentMove][fromY][fromX];
6117 if(gameInfo.variant == VariantShogi) {
6118 promotionZoneSize = BOARD_HEIGHT/3;
6119 highestPromotingPiece = (int)WhiteFerz;
6120 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6121 promotionZoneSize = 3;
6124 // Treat Lance as Pawn when it is not representing Amazon
6125 if(gameInfo.variant != VariantSuper) {
6126 if(piece == WhiteLance) piece = WhitePawn; else
6127 if(piece == BlackLance) piece = BlackPawn;
6130 // next weed out all moves that do not touch the promotion zone at all
6131 if((int)piece >= BlackPawn) {
6132 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6134 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6136 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6137 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6140 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6142 // weed out mandatory Shogi promotions
6143 if(gameInfo.variant == VariantShogi) {
6144 if(piece >= BlackPawn) {
6145 if(toY == 0 && piece == BlackPawn ||
6146 toY == 0 && piece == BlackQueen ||
6147 toY <= 1 && piece == BlackKnight) {
6152 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6153 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6154 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6161 // weed out obviously illegal Pawn moves
6162 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6163 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6164 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6165 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6166 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6167 // note we are not allowed to test for valid (non-)capture, due to premove
6170 // we either have a choice what to promote to, or (in Shogi) whether to promote
6171 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6172 *promoChoice = PieceToChar(BlackFerz); // no choice
6175 // no sense asking what we must promote to if it is going to explode...
6176 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6177 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6180 // give caller the default choice even if we will not make it
6181 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6182 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6183 if( sweepSelect && gameInfo.variant != VariantGreat
6184 && gameInfo.variant != VariantGrand
6185 && gameInfo.variant != VariantSuper) return FALSE;
6186 if(autoQueen) return FALSE; // predetermined
6188 // suppress promotion popup on illegal moves that are not premoves
6189 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6190 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6191 if(appData.testLegality && !premove) {
6192 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6193 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6194 if(moveType != WhitePromotion && moveType != BlackPromotion)
6202 InPalace(row, column)
6204 { /* [HGM] for Xiangqi */
6205 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6206 column < (BOARD_WIDTH + 4)/2 &&
6207 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6212 PieceForSquare (x, y)
6216 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6219 return boards[currentMove][y][x];
6223 OKToStartUserMove(x, y)
6226 ChessSquare from_piece;
6229 if (matchMode) return FALSE;
6230 if (gameMode == EditPosition) return TRUE;
6232 if (x >= 0 && y >= 0)
6233 from_piece = boards[currentMove][y][x];
6235 from_piece = EmptySquare;
6237 if (from_piece == EmptySquare) return FALSE;
6239 white_piece = (int)from_piece >= (int)WhitePawn &&
6240 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6244 case TwoMachinesPlay:
6252 case MachinePlaysWhite:
6253 case IcsPlayingBlack:
6254 if (appData.zippyPlay) return FALSE;
6256 DisplayMoveError(_("You are playing Black"));
6261 case MachinePlaysBlack:
6262 case IcsPlayingWhite:
6263 if (appData.zippyPlay) return FALSE;
6265 DisplayMoveError(_("You are playing White"));
6270 case PlayFromGameFile:
6271 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6273 if (!white_piece && WhiteOnMove(currentMove)) {
6274 DisplayMoveError(_("It is White's turn"));
6277 if (white_piece && !WhiteOnMove(currentMove)) {
6278 DisplayMoveError(_("It is Black's turn"));
6281 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6282 /* Editing correspondence game history */
6283 /* Could disallow this or prompt for confirmation */
6288 case BeginningOfGame:
6289 if (appData.icsActive) return FALSE;
6290 if (!appData.noChessProgram) {
6292 DisplayMoveError(_("You are playing White"));
6299 if (!white_piece && WhiteOnMove(currentMove)) {
6300 DisplayMoveError(_("It is White's turn"));
6303 if (white_piece && !WhiteOnMove(currentMove)) {
6304 DisplayMoveError(_("It is Black's turn"));
6313 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6314 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6315 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6316 && gameMode != AnalyzeFile && gameMode != Training) {
6317 DisplayMoveError(_("Displayed position is not current"));
6324 OnlyMove(int *x, int *y, Boolean captures) {
6325 DisambiguateClosure cl;
6326 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6328 case MachinePlaysBlack:
6329 case IcsPlayingWhite:
6330 case BeginningOfGame:
6331 if(!WhiteOnMove(currentMove)) return FALSE;
6333 case MachinePlaysWhite:
6334 case IcsPlayingBlack:
6335 if(WhiteOnMove(currentMove)) return FALSE;
6342 cl.pieceIn = EmptySquare;
6347 cl.promoCharIn = NULLCHAR;
6348 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6349 if( cl.kind == NormalMove ||
6350 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6351 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6352 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6359 if(cl.kind != ImpossibleMove) return FALSE;
6360 cl.pieceIn = EmptySquare;
6365 cl.promoCharIn = NULLCHAR;
6366 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6367 if( cl.kind == NormalMove ||
6368 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6369 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6370 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6375 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6381 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6382 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6383 int lastLoadGameUseList = FALSE;
6384 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6385 ChessMove lastLoadGameStart = EndOfFile;
6388 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6389 int fromX, fromY, toX, toY;
6393 ChessSquare pdown, pup;
6395 /* Check if the user is playing in turn. This is complicated because we
6396 let the user "pick up" a piece before it is his turn. So the piece he
6397 tried to pick up may have been captured by the time he puts it down!
6398 Therefore we use the color the user is supposed to be playing in this
6399 test, not the color of the piece that is currently on the starting
6400 square---except in EditGame mode, where the user is playing both
6401 sides; fortunately there the capture race can't happen. (It can
6402 now happen in IcsExamining mode, but that's just too bad. The user
6403 will get a somewhat confusing message in that case.)
6408 case TwoMachinesPlay:
6412 /* We switched into a game mode where moves are not accepted,
6413 perhaps while the mouse button was down. */
6416 case MachinePlaysWhite:
6417 /* User is moving for Black */
6418 if (WhiteOnMove(currentMove)) {
6419 DisplayMoveError(_("It is White's turn"));
6424 case MachinePlaysBlack:
6425 /* User is moving for White */
6426 if (!WhiteOnMove(currentMove)) {
6427 DisplayMoveError(_("It is Black's turn"));
6432 case PlayFromGameFile:
6433 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6436 case BeginningOfGame:
6439 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6440 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6441 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6442 /* User is moving for Black */
6443 if (WhiteOnMove(currentMove)) {
6444 DisplayMoveError(_("It is White's turn"));
6448 /* User is moving for White */
6449 if (!WhiteOnMove(currentMove)) {
6450 DisplayMoveError(_("It is Black's turn"));
6456 case IcsPlayingBlack:
6457 /* User is moving for Black */
6458 if (WhiteOnMove(currentMove)) {
6459 if (!appData.premove) {
6460 DisplayMoveError(_("It is White's turn"));
6461 } else if (toX >= 0 && toY >= 0) {
6464 premoveFromX = fromX;
6465 premoveFromY = fromY;
6466 premovePromoChar = promoChar;
6468 if (appData.debugMode)
6469 fprintf(debugFP, "Got premove: fromX %d,"
6470 "fromY %d, toX %d, toY %d\n",
6471 fromX, fromY, toX, toY);
6477 case IcsPlayingWhite:
6478 /* User is moving for White */
6479 if (!WhiteOnMove(currentMove)) {
6480 if (!appData.premove) {
6481 DisplayMoveError(_("It is Black's turn"));
6482 } else if (toX >= 0 && toY >= 0) {
6485 premoveFromX = fromX;
6486 premoveFromY = fromY;
6487 premovePromoChar = promoChar;
6489 if (appData.debugMode)
6490 fprintf(debugFP, "Got premove: fromX %d,"
6491 "fromY %d, toX %d, toY %d\n",
6492 fromX, fromY, toX, toY);
6502 /* EditPosition, empty square, or different color piece;
6503 click-click move is possible */
6504 if (toX == -2 || toY == -2) {
6505 boards[0][fromY][fromX] = EmptySquare;
6506 DrawPosition(FALSE, boards[currentMove]);
6508 } else if (toX >= 0 && toY >= 0) {
6509 boards[0][toY][toX] = boards[0][fromY][fromX];
6510 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6511 if(boards[0][fromY][0] != EmptySquare) {
6512 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6513 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6516 if(fromX == BOARD_RGHT+1) {
6517 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6518 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6519 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6522 boards[0][fromY][fromX] = EmptySquare;
6523 DrawPosition(FALSE, boards[currentMove]);
6529 if(toX < 0 || toY < 0) return;
6530 pdown = boards[currentMove][fromY][fromX];
6531 pup = boards[currentMove][toY][toX];
6533 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6534 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6535 if( pup != EmptySquare ) return;
6536 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6537 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6538 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6539 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6540 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6541 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6542 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6546 /* [HGM] always test for legality, to get promotion info */
6547 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6548 fromY, fromX, toY, toX, promoChar);
6550 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6552 /* [HGM] but possibly ignore an IllegalMove result */
6553 if (appData.testLegality) {
6554 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6555 DisplayMoveError(_("Illegal move"));
6560 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6563 /* Common tail of UserMoveEvent and DropMenuEvent */
6565 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6567 int fromX, fromY, toX, toY;
6568 /*char*/int promoChar;
6572 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6573 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6574 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6575 if(WhiteOnMove(currentMove)) {
6576 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6578 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6582 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6583 move type in caller when we know the move is a legal promotion */
6584 if(moveType == NormalMove && promoChar)
6585 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6587 /* [HGM] <popupFix> The following if has been moved here from
6588 UserMoveEvent(). Because it seemed to belong here (why not allow
6589 piece drops in training games?), and because it can only be
6590 performed after it is known to what we promote. */
6591 if (gameMode == Training) {
6592 /* compare the move played on the board to the next move in the
6593 * game. If they match, display the move and the opponent's response.
6594 * If they don't match, display an error message.
6598 CopyBoard(testBoard, boards[currentMove]);
6599 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6601 if (CompareBoards(testBoard, boards[currentMove+1])) {
6602 ForwardInner(currentMove+1);
6604 /* Autoplay the opponent's response.
6605 * if appData.animate was TRUE when Training mode was entered,
6606 * the response will be animated.
6608 saveAnimate = appData.animate;
6609 appData.animate = animateTraining;
6610 ForwardInner(currentMove+1);
6611 appData.animate = saveAnimate;
6613 /* check for the end of the game */
6614 if (currentMove >= forwardMostMove) {
6615 gameMode = PlayFromGameFile;
6617 SetTrainingModeOff();
6618 DisplayInformation(_("End of game"));
6621 DisplayError(_("Incorrect move"), 0);
6626 /* Ok, now we know that the move is good, so we can kill
6627 the previous line in Analysis Mode */
6628 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6629 && currentMove < forwardMostMove) {
6630 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6631 else forwardMostMove = currentMove;
6634 /* If we need the chess program but it's dead, restart it */
6635 ResurrectChessProgram();
6637 /* A user move restarts a paused game*/
6641 thinkOutput[0] = NULLCHAR;
6643 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6645 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6646 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6650 if (gameMode == BeginningOfGame) {
6651 if (appData.noChessProgram) {
6652 gameMode = EditGame;
6656 gameMode = MachinePlaysBlack;
6659 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
6661 if (first.sendName) {
6662 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6663 SendToProgram(buf, &first);
6670 /* Relay move to ICS or chess engine */
6671 if (appData.icsActive) {
6672 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6673 gameMode == IcsExamining) {
6674 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6675 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6677 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6679 // also send plain move, in case ICS does not understand atomic claims
6680 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6684 if (first.sendTime && (gameMode == BeginningOfGame ||
6685 gameMode == MachinePlaysWhite ||
6686 gameMode == MachinePlaysBlack)) {
6687 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6689 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6690 // [HGM] book: if program might be playing, let it use book
6691 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6692 first.maybeThinking = TRUE;
6693 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6694 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6695 SendBoard(&first, currentMove+1);
6696 } else SendMoveToProgram(forwardMostMove-1, &first);
6697 if (currentMove == cmailOldMove + 1) {
6698 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6702 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6706 if(appData.testLegality)
6707 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6713 if (WhiteOnMove(currentMove)) {
6714 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6716 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6720 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6725 case MachinePlaysBlack:
6726 case MachinePlaysWhite:
6727 /* disable certain menu options while machine is thinking */
6728 SetMachineThinkingEnables();
6735 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6736 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6738 if(bookHit) { // [HGM] book: simulate book reply
6739 static char bookMove[MSG_SIZ]; // a bit generous?
6741 programStats.nodes = programStats.depth = programStats.time =
6742 programStats.score = programStats.got_only_move = 0;
6743 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6745 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6746 strcat(bookMove, bookHit);
6747 HandleMachineMove(bookMove, &first);
6753 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6760 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6761 Markers *m = (Markers *) closure;
6762 if(rf == fromY && ff == fromX)
6763 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6764 || kind == WhiteCapturesEnPassant
6765 || kind == BlackCapturesEnPassant);
6766 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6770 MarkTargetSquares(int clear)
6773 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6774 !appData.testLegality || gameMode == EditPosition) return;
6776 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6779 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6780 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6781 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6783 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6786 DrawPosition(TRUE, NULL);
6790 Explode(Board board, int fromX, int fromY, int toX, int toY)
6792 if(gameInfo.variant == VariantAtomic &&
6793 (board[toY][toX] != EmptySquare || // capture?
6794 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6795 board[fromY][fromX] == BlackPawn )
6797 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6803 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6805 int CanPromote(ChessSquare piece, int y)
6807 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6808 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6809 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6810 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6811 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6812 gameInfo.variant == VariantMakruk) return FALSE;
6813 return (piece == BlackPawn && y == 1 ||
6814 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6815 piece == BlackLance && y == 1 ||
6816 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6819 void LeftClick(ClickType clickType, int xPix, int yPix)
6822 Boolean saveAnimate;
6823 static int second = 0, promotionChoice = 0, clearFlag = 0;
6824 char promoChoice = NULLCHAR;
6827 if(appData.seekGraph && appData.icsActive && loggedOn &&
6828 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6829 SeekGraphClick(clickType, xPix, yPix, 0);
6833 if (clickType == Press) ErrorPopDown();
6835 x = EventToSquare(xPix, BOARD_WIDTH);
6836 y = EventToSquare(yPix, BOARD_HEIGHT);
6837 if (!flipView && y >= 0) {
6838 y = BOARD_HEIGHT - 1 - y;
6840 if (flipView && x >= 0) {
6841 x = BOARD_WIDTH - 1 - x;
6844 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6845 defaultPromoChoice = promoSweep;
6846 promoSweep = EmptySquare; // terminate sweep
6847 promoDefaultAltered = TRUE;
6848 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6851 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6852 if(clickType == Release) return; // ignore upclick of click-click destination
6853 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6854 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6855 if(gameInfo.holdingsWidth &&
6856 (WhiteOnMove(currentMove)
6857 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6858 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6859 // click in right holdings, for determining promotion piece
6860 ChessSquare p = boards[currentMove][y][x];
6861 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6862 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6863 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6864 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6869 DrawPosition(FALSE, boards[currentMove]);
6873 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6874 if(clickType == Press
6875 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6876 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6877 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6880 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6881 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6883 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6884 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6885 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6886 defaultPromoChoice = DefaultPromoChoice(side);
6889 autoQueen = appData.alwaysPromoteToQueen;
6893 gatingPiece = EmptySquare;
6894 if (clickType != Press) {
6895 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6896 DragPieceEnd(xPix, yPix); dragging = 0;
6897 DrawPosition(FALSE, NULL);
6901 fromX = x; fromY = y; toX = toY = -1;
6902 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6903 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6904 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6906 if (OKToStartUserMove(fromX, fromY)) {
6908 MarkTargetSquares(0);
6909 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6910 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6911 promoSweep = defaultPromoChoice;
6912 selectFlag = 0; lastX = xPix; lastY = yPix;
6913 Sweep(0); // Pawn that is going to promote: preview promotion piece
6914 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6916 if (appData.highlightDragging) {
6917 SetHighlights(fromX, fromY, -1, -1);
6919 } else fromX = fromY = -1;
6925 if (clickType == Press && gameMode != EditPosition) {
6930 // ignore off-board to clicks
6931 if(y < 0 || x < 0) return;
6933 /* Check if clicking again on the same color piece */
6934 fromP = boards[currentMove][fromY][fromX];
6935 toP = boards[currentMove][y][x];
6936 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6937 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6938 WhitePawn <= toP && toP <= WhiteKing &&
6939 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6940 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6941 (BlackPawn <= fromP && fromP <= BlackKing &&
6942 BlackPawn <= toP && toP <= BlackKing &&
6943 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6944 !(fromP == BlackKing && toP == BlackRook && frc))) {
6945 /* Clicked again on same color piece -- changed his mind */
6946 second = (x == fromX && y == fromY);
6947 promoDefaultAltered = FALSE;
6948 MarkTargetSquares(1);
6949 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6950 if (appData.highlightDragging) {
6951 SetHighlights(x, y, -1, -1);
6955 if (OKToStartUserMove(x, y)) {
6956 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6957 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6958 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6959 gatingPiece = boards[currentMove][fromY][fromX];
6960 else gatingPiece = EmptySquare;
6962 fromY = y; dragging = 1;
6963 MarkTargetSquares(0);
6964 DragPieceBegin(xPix, yPix, FALSE);
6965 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6966 promoSweep = defaultPromoChoice;
6967 selectFlag = 0; lastX = xPix; lastY = yPix;
6968 Sweep(0); // Pawn that is going to promote: preview promotion piece
6972 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6975 // ignore clicks on holdings
6976 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6979 if (clickType == Release && x == fromX && y == fromY) {
6980 DragPieceEnd(xPix, yPix); dragging = 0;
6982 // a deferred attempt to click-click move an empty square on top of a piece
6983 boards[currentMove][y][x] = EmptySquare;
6985 DrawPosition(FALSE, boards[currentMove]);
6986 fromX = fromY = -1; clearFlag = 0;
6989 if (appData.animateDragging) {
6990 /* Undo animation damage if any */
6991 DrawPosition(FALSE, NULL);
6994 /* Second up/down in same square; just abort move */
6997 gatingPiece = EmptySquare;
7000 ClearPremoveHighlights();
7002 /* First upclick in same square; start click-click mode */
7003 SetHighlights(x, y, -1, -1);
7010 /* we now have a different from- and (possibly off-board) to-square */
7011 /* Completed move */
7014 saveAnimate = appData.animate;
7015 MarkTargetSquares(1);
7016 if (clickType == Press) {
7017 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7018 // must be Edit Position mode with empty-square selected
7019 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7020 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7023 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7024 ChessSquare piece = boards[currentMove][fromY][fromX];
7025 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7026 promoSweep = defaultPromoChoice;
7027 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7028 selectFlag = 0; lastX = xPix; lastY = yPix;
7029 Sweep(0); // Pawn that is going to promote: preview promotion piece
7030 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7031 DrawPosition(FALSE, boards[currentMove]);
7034 /* Finish clickclick move */
7035 if (appData.animate || appData.highlightLastMove) {
7036 SetHighlights(fromX, fromY, toX, toY);
7041 /* Finish drag move */
7042 if (appData.highlightLastMove) {
7043 SetHighlights(fromX, fromY, toX, toY);
7047 DragPieceEnd(xPix, yPix); dragging = 0;
7048 /* Don't animate move and drag both */
7049 appData.animate = FALSE;
7052 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7053 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7054 ChessSquare piece = boards[currentMove][fromY][fromX];
7055 if(gameMode == EditPosition && piece != EmptySquare &&
7056 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7059 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7060 n = PieceToNumber(piece - (int)BlackPawn);
7061 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7062 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7063 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7065 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7066 n = PieceToNumber(piece);
7067 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7068 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7069 boards[currentMove][n][BOARD_WIDTH-2]++;
7071 boards[currentMove][fromY][fromX] = EmptySquare;
7075 DrawPosition(TRUE, boards[currentMove]);
7079 // off-board moves should not be highlighted
7080 if(x < 0 || y < 0) ClearHighlights();
7082 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7084 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7085 SetHighlights(fromX, fromY, toX, toY);
7086 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7087 // [HGM] super: promotion to captured piece selected from holdings
7088 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7089 promotionChoice = TRUE;
7090 // kludge follows to temporarily execute move on display, without promoting yet
7091 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7092 boards[currentMove][toY][toX] = p;
7093 DrawPosition(FALSE, boards[currentMove]);
7094 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7095 boards[currentMove][toY][toX] = q;
7096 DisplayMessage("Click in holdings to choose piece", "");
7101 int oldMove = currentMove;
7102 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7103 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7104 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7105 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7106 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7107 DrawPosition(TRUE, boards[currentMove]);
7110 appData.animate = saveAnimate;
7111 if (appData.animate || appData.animateDragging) {
7112 /* Undo animation damage if needed */
7113 DrawPosition(FALSE, NULL);
7117 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7118 { // front-end-free part taken out of PieceMenuPopup
7119 int whichMenu; int xSqr, ySqr;
7121 if(seekGraphUp) { // [HGM] seekgraph
7122 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7123 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7127 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7128 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7129 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7130 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7131 if(action == Press) {
7132 originalFlip = flipView;
7133 flipView = !flipView; // temporarily flip board to see game from partners perspective
7134 DrawPosition(TRUE, partnerBoard);
7135 DisplayMessage(partnerStatus, "");
7137 } else if(action == Release) {
7138 flipView = originalFlip;
7139 DrawPosition(TRUE, boards[currentMove]);
7145 xSqr = EventToSquare(x, BOARD_WIDTH);
7146 ySqr = EventToSquare(y, BOARD_HEIGHT);
7147 if (action == Release) {
7148 if(pieceSweep != EmptySquare) {
7149 EditPositionMenuEvent(pieceSweep, toX, toY);
7150 pieceSweep = EmptySquare;
7151 } else UnLoadPV(); // [HGM] pv
7153 if (action != Press) return -2; // return code to be ignored
7156 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7158 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7159 if (xSqr < 0 || ySqr < 0) return -1;
7160 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7161 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7162 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7163 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7167 if(!appData.icsEngineAnalyze) return -1;
7168 case IcsPlayingWhite:
7169 case IcsPlayingBlack:
7170 if(!appData.zippyPlay) goto noZip;
7173 case MachinePlaysWhite:
7174 case MachinePlaysBlack:
7175 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7176 if (!appData.dropMenu) {
7178 return 2; // flag front-end to grab mouse events
7180 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7181 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7184 if (xSqr < 0 || ySqr < 0) return -1;
7185 if (!appData.dropMenu || appData.testLegality &&
7186 gameInfo.variant != VariantBughouse &&
7187 gameInfo.variant != VariantCrazyhouse) return -1;
7188 whichMenu = 1; // drop menu
7194 if (((*fromX = xSqr) < 0) ||
7195 ((*fromY = ySqr) < 0)) {
7196 *fromX = *fromY = -1;
7200 *fromX = BOARD_WIDTH - 1 - *fromX;
7202 *fromY = BOARD_HEIGHT - 1 - *fromY;
7207 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7209 // char * hint = lastHint;
7210 FrontEndProgramStats stats;
7212 stats.which = cps == &first ? 0 : 1;
7213 stats.depth = cpstats->depth;
7214 stats.nodes = cpstats->nodes;
7215 stats.score = cpstats->score;
7216 stats.time = cpstats->time;
7217 stats.pv = cpstats->movelist;
7218 stats.hint = lastHint;
7219 stats.an_move_index = 0;
7220 stats.an_move_count = 0;
7222 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7223 stats.hint = cpstats->move_name;
7224 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7225 stats.an_move_count = cpstats->nr_moves;
7228 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
7230 SetProgramStats( &stats );
7234 ClearEngineOutputPane(int which)
7236 static FrontEndProgramStats dummyStats;
7237 dummyStats.which = which;
7238 dummyStats.pv = "#";
7239 SetProgramStats( &dummyStats );
7242 #define MAXPLAYERS 500
7245 TourneyStandings(int display)
7247 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7248 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7249 char result, *p, *names[MAXPLAYERS];
7251 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7252 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7253 names[0] = p = strdup(appData.participants);
7254 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7256 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7258 while(result = appData.results[nr]) {
7259 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7260 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7261 wScore = bScore = 0;
7263 case '+': wScore = 2; break;
7264 case '-': bScore = 2; break;
7265 case '=': wScore = bScore = 1; break;
7267 case '*': return strdup("busy"); // tourney not finished
7275 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7276 for(w=0; w<nPlayers; w++) {
7278 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7279 ranking[w] = b; points[w] = bScore; score[b] = -2;
7281 p = malloc(nPlayers*34+1);
7282 for(w=0; w<nPlayers && w<display; w++)
7283 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7289 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7290 { // count all piece types
7292 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7293 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7294 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7297 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7298 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7299 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7300 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7301 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7302 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7307 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7309 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7310 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7312 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7313 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7314 if(myPawns == 2 && nMine == 3) // KPP
7315 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7316 if(myPawns == 1 && nMine == 2) // KP
7317 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7318 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7319 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7320 if(myPawns) return FALSE;
7321 if(pCnt[WhiteRook+side])
7322 return pCnt[BlackRook-side] ||
7323 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7324 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7325 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7326 if(pCnt[WhiteCannon+side]) {
7327 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7328 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7330 if(pCnt[WhiteKnight+side])
7331 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7336 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7338 VariantClass v = gameInfo.variant;
7340 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7341 if(v == VariantShatranj) return TRUE; // always winnable through baring
7342 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7343 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7345 if(v == VariantXiangqi) {
7346 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7348 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7349 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7350 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7351 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7352 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7353 if(stale) // we have at least one last-rank P plus perhaps C
7354 return majors // KPKX
7355 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7357 return pCnt[WhiteFerz+side] // KCAK
7358 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7359 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7360 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7362 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7363 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7365 if(nMine == 1) return FALSE; // bare King
7366 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
7367 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7368 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7369 // by now we have King + 1 piece (or multiple Bishops on the same color)
7370 if(pCnt[WhiteKnight+side])
7371 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7372 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7373 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7375 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7376 if(pCnt[WhiteAlfil+side])
7377 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7378 if(pCnt[WhiteWazir+side])
7379 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7386 CompareWithRights(Board b1, Board b2)
7389 if(!CompareBoards(b1, b2)) return FALSE;
7390 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7391 /* compare castling rights */
7392 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7393 rights++; /* King lost rights, while rook still had them */
7394 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7395 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7396 rights++; /* but at least one rook lost them */
7398 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7400 if( b1[CASTLING][5] != NoRights ) {
7401 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7408 Adjudicate(ChessProgramState *cps)
7409 { // [HGM] some adjudications useful with buggy engines
7410 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7411 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7412 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7413 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7414 int k, count = 0; static int bare = 1;
7415 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7416 Boolean canAdjudicate = !appData.icsActive;
7418 // most tests only when we understand the game, i.e. legality-checking on
7419 if( appData.testLegality )
7420 { /* [HGM] Some more adjudications for obstinate engines */
7421 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7422 static int moveCount = 6;
7424 char *reason = NULL;
7426 /* Count what is on board. */
7427 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7429 /* Some material-based adjudications that have to be made before stalemate test */
7430 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7431 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7432 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7433 if(canAdjudicate && appData.checkMates) {
7435 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7436 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7437 "Xboard adjudication: King destroyed", GE_XBOARD );
7442 /* Bare King in Shatranj (loses) or Losers (wins) */
7443 if( nrW == 1 || nrB == 1) {
7444 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7445 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7446 if(canAdjudicate && appData.checkMates) {
7448 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7449 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7450 "Xboard adjudication: Bare king", GE_XBOARD );
7454 if( gameInfo.variant == VariantShatranj && --bare < 0)
7456 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7457 if(canAdjudicate && appData.checkMates) {
7458 /* but only adjudicate if adjudication enabled */
7460 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7461 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7462 "Xboard adjudication: Bare king", GE_XBOARD );
7469 // don't wait for engine to announce game end if we can judge ourselves
7470 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7472 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7473 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7474 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7475 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7478 reason = "Xboard adjudication: 3rd check";
7479 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7489 reason = "Xboard adjudication: Stalemate";
7490 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7491 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7492 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7493 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7494 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7495 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7496 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7497 EP_CHECKMATE : EP_WINS);
7498 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7499 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7503 reason = "Xboard adjudication: Checkmate";
7504 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7508 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7510 result = GameIsDrawn; break;
7512 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7514 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7518 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7520 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7521 GameEnds( result, reason, GE_XBOARD );
7525 /* Next absolutely insufficient mating material. */
7526 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7527 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7528 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7530 /* always flag draws, for judging claims */
7531 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7533 if(canAdjudicate && appData.materialDraws) {
7534 /* but only adjudicate them if adjudication enabled */
7535 if(engineOpponent) {
7536 SendToProgram("force\n", engineOpponent); // suppress reply
7537 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7539 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7544 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7545 if(gameInfo.variant == VariantXiangqi ?
7546 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7548 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7549 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7550 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7551 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7553 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7554 { /* if the first 3 moves do not show a tactical win, declare draw */
7555 if(engineOpponent) {
7556 SendToProgram("force\n", engineOpponent); // suppress reply
7557 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7559 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7562 } else moveCount = 6;
7564 if (appData.debugMode) { int i;
7565 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7566 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7567 appData.drawRepeats);
7568 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7569 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7573 // Repetition draws and 50-move rule can be applied independently of legality testing
7575 /* Check for rep-draws */
7577 for(k = forwardMostMove-2;
7578 k>=backwardMostMove && k>=forwardMostMove-100 &&
7579 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7580 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7583 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7584 /* compare castling rights */
7585 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7586 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7587 rights++; /* King lost rights, while rook still had them */
7588 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7589 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7590 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7591 rights++; /* but at least one rook lost them */
7593 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7594 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7596 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7597 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7598 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7601 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7602 && appData.drawRepeats > 1) {
7603 /* adjudicate after user-specified nr of repeats */
7604 int result = GameIsDrawn;
7605 char *details = "XBoard adjudication: repetition draw";
7606 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7607 // [HGM] xiangqi: check for forbidden perpetuals
7608 int m, ourPerpetual = 1, hisPerpetual = 1;
7609 for(m=forwardMostMove; m>k; m-=2) {
7610 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7611 ourPerpetual = 0; // the current mover did not always check
7612 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7613 hisPerpetual = 0; // the opponent did not always check
7615 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7616 ourPerpetual, hisPerpetual);
7617 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7618 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7619 details = "Xboard adjudication: perpetual checking";
7621 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7622 break; // (or we would have caught him before). Abort repetition-checking loop.
7624 // Now check for perpetual chases
7625 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7626 hisPerpetual = PerpetualChase(k, forwardMostMove);
7627 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7628 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7629 static char resdet[MSG_SIZ];
7630 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7632 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7634 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7635 break; // Abort repetition-checking loop.
7637 // if neither of us is checking or chasing all the time, or both are, it is draw
7639 if(engineOpponent) {
7640 SendToProgram("force\n", engineOpponent); // suppress reply
7641 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7643 GameEnds( result, details, GE_XBOARD );
7646 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7647 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7651 /* Now we test for 50-move draws. Determine ply count */
7652 count = forwardMostMove;
7653 /* look for last irreversble move */
7654 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7656 /* if we hit starting position, add initial plies */
7657 if( count == backwardMostMove )
7658 count -= initialRulePlies;
7659 count = forwardMostMove - count;
7660 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7661 // adjust reversible move counter for checks in Xiangqi
7662 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7663 if(i < backwardMostMove) i = backwardMostMove;
7664 while(i <= forwardMostMove) {
7665 lastCheck = inCheck; // check evasion does not count
7666 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7667 if(inCheck || lastCheck) count--; // check does not count
7672 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7673 /* this is used to judge if draw claims are legal */
7674 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7675 if(engineOpponent) {
7676 SendToProgram("force\n", engineOpponent); // suppress reply
7677 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7679 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7683 /* if draw offer is pending, treat it as a draw claim
7684 * when draw condition present, to allow engines a way to
7685 * claim draws before making their move to avoid a race
7686 * condition occurring after their move
7688 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7690 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7691 p = "Draw claim: 50-move rule";
7692 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7693 p = "Draw claim: 3-fold repetition";
7694 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7695 p = "Draw claim: insufficient mating material";
7696 if( p != NULL && canAdjudicate) {
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, p, GE_XBOARD );
7706 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7707 if(engineOpponent) {
7708 SendToProgram("force\n", engineOpponent); // suppress reply
7709 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7711 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7717 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7718 { // [HGM] book: this routine intercepts moves to simulate book replies
7719 char *bookHit = NULL;
7721 //first determine if the incoming move brings opponent into his book
7722 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7723 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7724 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7725 if(bookHit != NULL && !cps->bookSuspend) {
7726 // make sure opponent is not going to reply after receiving move to book position
7727 SendToProgram("force\n", cps);
7728 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7730 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7731 // now arrange restart after book miss
7733 // after a book hit we never send 'go', and the code after the call to this routine
7734 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7735 char buf[MSG_SIZ], *move = bookHit;
7737 int fromX, fromY, toX, toY;
7741 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7742 &fromX, &fromY, &toX, &toY, &promoChar)) {
7743 (void) CoordsToAlgebraic(boards[forwardMostMove],
7744 PosFlags(forwardMostMove),
7745 fromY, fromX, toY, toX, promoChar, move);
7747 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7751 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7752 SendToProgram(buf, cps);
7753 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7754 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7755 SendToProgram("go\n", cps);
7756 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7757 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7758 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7759 SendToProgram("go\n", cps);
7760 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7762 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7766 ChessProgramState *savedState;
7767 void DeferredBookMove(void)
7769 if(savedState->lastPing != savedState->lastPong)
7770 ScheduleDelayedEvent(DeferredBookMove, 10);
7772 HandleMachineMove(savedMessage, savedState);
7775 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7778 HandleMachineMove(message, cps)
7780 ChessProgramState *cps;
7782 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7783 char realname[MSG_SIZ];
7784 int fromX, fromY, toX, toY;
7791 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7792 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7793 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7794 DisplayError(_("Invalid pairing from pairing engine"), 0);
7797 pairingReceived = 1;
7799 return; // Skim the pairing messages here.
7804 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7806 * Kludge to ignore BEL characters
7808 while (*message == '\007') message++;
7811 * [HGM] engine debug message: ignore lines starting with '#' character
7813 if(cps->debug && *message == '#') return;
7816 * Look for book output
7818 if (cps == &first && bookRequested) {
7819 if (message[0] == '\t' || message[0] == ' ') {
7820 /* Part of the book output is here; append it */
7821 strcat(bookOutput, message);
7822 strcat(bookOutput, " \n");
7824 } else if (bookOutput[0] != NULLCHAR) {
7825 /* All of book output has arrived; display it */
7826 char *p = bookOutput;
7827 while (*p != NULLCHAR) {
7828 if (*p == '\t') *p = ' ';
7831 DisplayInformation(bookOutput);
7832 bookRequested = FALSE;
7833 /* Fall through to parse the current output */
7838 * Look for machine move.
7840 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7841 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7843 /* This method is only useful on engines that support ping */
7844 if (cps->lastPing != cps->lastPong) {
7845 if (gameMode == BeginningOfGame) {
7846 /* Extra move from before last new; ignore */
7847 if (appData.debugMode) {
7848 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7851 if (appData.debugMode) {
7852 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7853 cps->which, gameMode);
7856 SendToProgram("undo\n", cps);
7862 case BeginningOfGame:
7863 /* Extra move from before last reset; ignore */
7864 if (appData.debugMode) {
7865 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7872 /* Extra move after we tried to stop. The mode test is
7873 not a reliable way of detecting this problem, but it's
7874 the best we can do on engines that don't support ping.
7876 if (appData.debugMode) {
7877 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7878 cps->which, gameMode);
7880 SendToProgram("undo\n", cps);
7883 case MachinePlaysWhite:
7884 case IcsPlayingWhite:
7885 machineWhite = TRUE;
7888 case MachinePlaysBlack:
7889 case IcsPlayingBlack:
7890 machineWhite = FALSE;
7893 case TwoMachinesPlay:
7894 machineWhite = (cps->twoMachinesColor[0] == 'w');
7897 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7898 if (appData.debugMode) {
7900 "Ignoring move out of turn by %s, gameMode %d"
7901 ", forwardMost %d\n",
7902 cps->which, gameMode, forwardMostMove);
7907 if (appData.debugMode) { int f = forwardMostMove;
7908 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7909 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7910 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7912 if(cps->alphaRank) AlphaRank(machineMove, 4);
7913 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7914 &fromX, &fromY, &toX, &toY, &promoChar)) {
7915 /* Machine move could not be parsed; ignore it. */
7916 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7917 machineMove, _(cps->which));
7918 DisplayError(buf1, 0);
7919 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7920 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7921 if (gameMode == TwoMachinesPlay) {
7922 GameEnds(machineWhite ? BlackWins : WhiteWins,
7928 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7929 /* So we have to redo legality test with true e.p. status here, */
7930 /* to make sure an illegal e.p. capture does not slip through, */
7931 /* to cause a forfeit on a justified illegal-move complaint */
7932 /* of the opponent. */
7933 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7935 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7936 fromY, fromX, toY, toX, promoChar);
7937 if (appData.debugMode) {
7939 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7940 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7941 fprintf(debugFP, "castling rights\n");
7943 if(moveType == IllegalMove) {
7944 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7945 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7946 GameEnds(machineWhite ? BlackWins : WhiteWins,
7949 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7950 /* [HGM] Kludge to handle engines that send FRC-style castling
7951 when they shouldn't (like TSCP-Gothic) */
7953 case WhiteASideCastleFR:
7954 case BlackASideCastleFR:
7956 currentMoveString[2]++;
7958 case WhiteHSideCastleFR:
7959 case BlackHSideCastleFR:
7961 currentMoveString[2]--;
7963 default: ; // nothing to do, but suppresses warning of pedantic compilers
7966 hintRequested = FALSE;
7967 lastHint[0] = NULLCHAR;
7968 bookRequested = FALSE;
7969 /* Program may be pondering now */
7970 cps->maybeThinking = TRUE;
7971 if (cps->sendTime == 2) cps->sendTime = 1;
7972 if (cps->offeredDraw) cps->offeredDraw--;
7974 /* [AS] Save move info*/
7975 pvInfoList[ forwardMostMove ].score = programStats.score;
7976 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7977 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7979 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7981 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7982 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7985 while( count < adjudicateLossPlies ) {
7986 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7989 score = -score; /* Flip score for winning side */
7992 if( score > adjudicateLossThreshold ) {
7999 if( count >= adjudicateLossPlies ) {
8000 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8002 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8003 "Xboard adjudication",
8010 if(Adjudicate(cps)) {
8011 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8012 return; // [HGM] adjudicate: for all automatic game ends
8016 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8018 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8019 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8021 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8023 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8025 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8026 char buf[3*MSG_SIZ];
8028 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8029 programStats.score / 100.,
8031 programStats.time / 100.,
8032 (unsigned int)programStats.nodes,
8033 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8034 programStats.movelist);
8036 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8041 /* [AS] Clear stats for next move */
8042 ClearProgramStats();
8043 thinkOutput[0] = NULLCHAR;
8044 hiddenThinkOutputState = 0;
8047 if (gameMode == TwoMachinesPlay) {
8048 /* [HGM] relaying draw offers moved to after reception of move */
8049 /* and interpreting offer as claim if it brings draw condition */
8050 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8051 SendToProgram("draw\n", cps->other);
8053 if (cps->other->sendTime) {
8054 SendTimeRemaining(cps->other,
8055 cps->other->twoMachinesColor[0] == 'w');
8057 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8058 if (firstMove && !bookHit) {
8060 if (cps->other->useColors) {
8061 SendToProgram(cps->other->twoMachinesColor, cps->other);
8063 SendToProgram("go\n", cps->other);
8065 cps->other->maybeThinking = TRUE;
8068 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8070 if (!pausing && appData.ringBellAfterMoves) {
8075 * Reenable menu items that were disabled while
8076 * machine was thinking
8078 if (gameMode != TwoMachinesPlay)
8079 SetUserThinkingEnables();
8081 // [HGM] book: after book hit opponent has received move and is now in force mode
8082 // force the book reply into it, and then fake that it outputted this move by jumping
8083 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8085 static char bookMove[MSG_SIZ]; // a bit generous?
8087 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8088 strcat(bookMove, bookHit);
8091 programStats.nodes = programStats.depth = programStats.time =
8092 programStats.score = programStats.got_only_move = 0;
8093 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8095 if(cps->lastPing != cps->lastPong) {
8096 savedMessage = message; // args for deferred call
8098 ScheduleDelayedEvent(DeferredBookMove, 10);
8107 /* Set special modes for chess engines. Later something general
8108 * could be added here; for now there is just one kludge feature,
8109 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8110 * when "xboard" is given as an interactive command.
8112 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8113 cps->useSigint = FALSE;
8114 cps->useSigterm = FALSE;
8116 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8117 ParseFeatures(message+8, cps);
8118 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8121 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8122 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8123 int dummy, s=6; char buf[MSG_SIZ];
8124 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8125 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8126 if(startedFromSetupPosition) return;
8127 ParseFEN(boards[0], &dummy, message+s);
8128 DrawPosition(TRUE, boards[0]);
8129 startedFromSetupPosition = TRUE;
8132 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8133 * want this, I was asked to put it in, and obliged.
8135 if (!strncmp(message, "setboard ", 9)) {
8136 Board initial_position;
8138 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8140 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8141 DisplayError(_("Bad FEN received from engine"), 0);
8145 CopyBoard(boards[0], initial_position);
8146 initialRulePlies = FENrulePlies;
8147 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8148 else gameMode = MachinePlaysBlack;
8149 DrawPosition(FALSE, boards[currentMove]);
8155 * Look for communication commands
8157 if (!strncmp(message, "telluser ", 9)) {
8158 if(message[9] == '\\' && message[10] == '\\')
8159 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8161 DisplayNote(message + 9);
8164 if (!strncmp(message, "tellusererror ", 14)) {
8166 if(message[14] == '\\' && message[15] == '\\')
8167 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8169 DisplayError(message + 14, 0);
8172 if (!strncmp(message, "tellopponent ", 13)) {
8173 if (appData.icsActive) {
8175 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8179 DisplayNote(message + 13);
8183 if (!strncmp(message, "tellothers ", 11)) {
8184 if (appData.icsActive) {
8186 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8192 if (!strncmp(message, "tellall ", 8)) {
8193 if (appData.icsActive) {
8195 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8199 DisplayNote(message + 8);
8203 if (strncmp(message, "warning", 7) == 0) {
8204 /* Undocumented feature, use tellusererror in new code */
8205 DisplayError(message, 0);
8208 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8209 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8210 strcat(realname, " query");
8211 AskQuestion(realname, buf2, buf1, cps->pr);
8214 /* Commands from the engine directly to ICS. We don't allow these to be
8215 * sent until we are logged on. Crafty kibitzes have been known to
8216 * interfere with the login process.
8219 if (!strncmp(message, "tellics ", 8)) {
8220 SendToICS(message + 8);
8224 if (!strncmp(message, "tellicsnoalias ", 15)) {
8225 SendToICS(ics_prefix);
8226 SendToICS(message + 15);
8230 /* The following are for backward compatibility only */
8231 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8232 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8233 SendToICS(ics_prefix);
8239 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8243 * If the move is illegal, cancel it and redraw the board.
8244 * Also deal with other error cases. Matching is rather loose
8245 * here to accommodate engines written before the spec.
8247 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8248 strncmp(message, "Error", 5) == 0) {
8249 if (StrStr(message, "name") ||
8250 StrStr(message, "rating") || StrStr(message, "?") ||
8251 StrStr(message, "result") || StrStr(message, "board") ||
8252 StrStr(message, "bk") || StrStr(message, "computer") ||
8253 StrStr(message, "variant") || StrStr(message, "hint") ||
8254 StrStr(message, "random") || StrStr(message, "depth") ||
8255 StrStr(message, "accepted")) {
8258 if (StrStr(message, "protover")) {
8259 /* Program is responding to input, so it's apparently done
8260 initializing, and this error message indicates it is
8261 protocol version 1. So we don't need to wait any longer
8262 for it to initialize and send feature commands. */
8263 FeatureDone(cps, 1);
8264 cps->protocolVersion = 1;
8267 cps->maybeThinking = FALSE;
8269 if (StrStr(message, "draw")) {
8270 /* Program doesn't have "draw" command */
8271 cps->sendDrawOffers = 0;
8274 if (cps->sendTime != 1 &&
8275 (StrStr(message, "time") || StrStr(message, "otim"))) {
8276 /* Program apparently doesn't have "time" or "otim" command */
8280 if (StrStr(message, "analyze")) {
8281 cps->analysisSupport = FALSE;
8282 cps->analyzing = FALSE;
8283 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8284 EditGameEvent(); // [HGM] try to preserve loaded game
8285 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8286 DisplayError(buf2, 0);
8289 if (StrStr(message, "(no matching move)st")) {
8290 /* Special kludge for GNU Chess 4 only */
8291 cps->stKludge = TRUE;
8292 SendTimeControl(cps, movesPerSession, timeControl,
8293 timeIncrement, appData.searchDepth,
8297 if (StrStr(message, "(no matching move)sd")) {
8298 /* Special kludge for GNU Chess 4 only */
8299 cps->sdKludge = TRUE;
8300 SendTimeControl(cps, movesPerSession, timeControl,
8301 timeIncrement, appData.searchDepth,
8305 if (!StrStr(message, "llegal")) {
8308 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8309 gameMode == IcsIdle) return;
8310 if (forwardMostMove <= backwardMostMove) return;
8311 if (pausing) PauseEvent();
8312 if(appData.forceIllegal) {
8313 // [HGM] illegal: machine refused move; force position after move into it
8314 SendToProgram("force\n", cps);
8315 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8316 // we have a real problem now, as SendBoard will use the a2a3 kludge
8317 // when black is to move, while there might be nothing on a2 or black
8318 // might already have the move. So send the board as if white has the move.
8319 // But first we must change the stm of the engine, as it refused the last move
8320 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8321 if(WhiteOnMove(forwardMostMove)) {
8322 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8323 SendBoard(cps, forwardMostMove); // kludgeless board
8325 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8326 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8327 SendBoard(cps, forwardMostMove+1); // kludgeless board
8329 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8330 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8331 gameMode == TwoMachinesPlay)
8332 SendToProgram("go\n", cps);
8335 if (gameMode == PlayFromGameFile) {
8336 /* Stop reading this game file */
8337 gameMode = EditGame;
8340 /* [HGM] illegal-move claim should forfeit game when Xboard */
8341 /* only passes fully legal moves */
8342 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8343 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8344 "False illegal-move claim", GE_XBOARD );
8345 return; // do not take back move we tested as valid
8347 currentMove = forwardMostMove-1;
8348 DisplayMove(currentMove-1); /* before DisplayMoveError */
8349 SwitchClocks(forwardMostMove-1); // [HGM] race
8350 DisplayBothClocks();
8351 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8352 parseList[currentMove], _(cps->which));
8353 DisplayMoveError(buf1);
8354 DrawPosition(FALSE, boards[currentMove]);
8357 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8358 /* Program has a broken "time" command that
8359 outputs a string not ending in newline.
8365 * If chess program startup fails, exit with an error message.
8366 * Attempts to recover here are futile.
8368 if ((StrStr(message, "unknown host") != NULL)
8369 || (StrStr(message, "No remote directory") != NULL)
8370 || (StrStr(message, "not found") != NULL)
8371 || (StrStr(message, "No such file") != NULL)
8372 || (StrStr(message, "can't alloc") != NULL)
8373 || (StrStr(message, "Permission denied") != NULL)) {
8375 cps->maybeThinking = FALSE;
8376 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8377 _(cps->which), cps->program, cps->host, message);
8378 RemoveInputSource(cps->isr);
8379 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8380 if(cps == &first) appData.noChessProgram = TRUE;
8381 DisplayError(buf1, 0);
8387 * Look for hint output
8389 if (sscanf(message, "Hint: %s", buf1) == 1) {
8390 if (cps == &first && hintRequested) {
8391 hintRequested = FALSE;
8392 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8393 &fromX, &fromY, &toX, &toY, &promoChar)) {
8394 (void) CoordsToAlgebraic(boards[forwardMostMove],
8395 PosFlags(forwardMostMove),
8396 fromY, fromX, toY, toX, promoChar, buf1);
8397 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8398 DisplayInformation(buf2);
8400 /* Hint move could not be parsed!? */
8401 snprintf(buf2, sizeof(buf2),
8402 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8403 buf1, _(cps->which));
8404 DisplayError(buf2, 0);
8407 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8413 * Ignore other messages if game is not in progress
8415 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8416 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8419 * look for win, lose, draw, or draw offer
8421 if (strncmp(message, "1-0", 3) == 0) {
8422 char *p, *q, *r = "";
8423 p = strchr(message, '{');
8431 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8433 } else if (strncmp(message, "0-1", 3) == 0) {
8434 char *p, *q, *r = "";
8435 p = strchr(message, '{');
8443 /* Kludge for Arasan 4.1 bug */
8444 if (strcmp(r, "Black resigns") == 0) {
8445 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8448 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8450 } else if (strncmp(message, "1/2", 3) == 0) {
8451 char *p, *q, *r = "";
8452 p = strchr(message, '{');
8461 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8464 } else if (strncmp(message, "White resign", 12) == 0) {
8465 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8467 } else if (strncmp(message, "Black resign", 12) == 0) {
8468 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8470 } else if (strncmp(message, "White matches", 13) == 0 ||
8471 strncmp(message, "Black matches", 13) == 0 ) {
8472 /* [HGM] ignore GNUShogi noises */
8474 } else if (strncmp(message, "White", 5) == 0 &&
8475 message[5] != '(' &&
8476 StrStr(message, "Black") == NULL) {
8477 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8479 } else if (strncmp(message, "Black", 5) == 0 &&
8480 message[5] != '(') {
8481 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8483 } else if (strcmp(message, "resign") == 0 ||
8484 strcmp(message, "computer resigns") == 0) {
8486 case MachinePlaysBlack:
8487 case IcsPlayingBlack:
8488 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8490 case MachinePlaysWhite:
8491 case IcsPlayingWhite:
8492 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8494 case TwoMachinesPlay:
8495 if (cps->twoMachinesColor[0] == 'w')
8496 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8498 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8505 } else if (strncmp(message, "opponent mates", 14) == 0) {
8507 case MachinePlaysBlack:
8508 case IcsPlayingBlack:
8509 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8511 case MachinePlaysWhite:
8512 case IcsPlayingWhite:
8513 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8515 case TwoMachinesPlay:
8516 if (cps->twoMachinesColor[0] == 'w')
8517 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8519 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8526 } else if (strncmp(message, "computer mates", 14) == 0) {
8528 case MachinePlaysBlack:
8529 case IcsPlayingBlack:
8530 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8532 case MachinePlaysWhite:
8533 case IcsPlayingWhite:
8534 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8536 case TwoMachinesPlay:
8537 if (cps->twoMachinesColor[0] == 'w')
8538 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8540 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8547 } else if (strncmp(message, "checkmate", 9) == 0) {
8548 if (WhiteOnMove(forwardMostMove)) {
8549 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8551 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8554 } else if (strstr(message, "Draw") != NULL ||
8555 strstr(message, "game is a draw") != NULL) {
8556 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8558 } else if (strstr(message, "offer") != NULL &&
8559 strstr(message, "draw") != NULL) {
8561 if (appData.zippyPlay && first.initDone) {
8562 /* Relay offer to ICS */
8563 SendToICS(ics_prefix);
8564 SendToICS("draw\n");
8567 cps->offeredDraw = 2; /* valid until this engine moves twice */
8568 if (gameMode == TwoMachinesPlay) {
8569 if (cps->other->offeredDraw) {
8570 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8571 /* [HGM] in two-machine mode we delay relaying draw offer */
8572 /* until after we also have move, to see if it is really claim */
8574 } else if (gameMode == MachinePlaysWhite ||
8575 gameMode == MachinePlaysBlack) {
8576 if (userOfferedDraw) {
8577 DisplayInformation(_("Machine accepts your draw offer"));
8578 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8580 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8587 * Look for thinking output
8589 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8590 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8592 int plylev, mvleft, mvtot, curscore, time;
8593 char mvname[MOVE_LEN];
8597 int prefixHint = FALSE;
8598 mvname[0] = NULLCHAR;
8601 case MachinePlaysBlack:
8602 case IcsPlayingBlack:
8603 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8605 case MachinePlaysWhite:
8606 case IcsPlayingWhite:
8607 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8612 case IcsObserving: /* [DM] icsEngineAnalyze */
8613 if (!appData.icsEngineAnalyze) ignore = TRUE;
8615 case TwoMachinesPlay:
8616 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8626 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8628 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8629 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8631 if (plyext != ' ' && plyext != '\t') {
8635 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8636 if( cps->scoreIsAbsolute &&
8637 ( gameMode == MachinePlaysBlack ||
8638 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8639 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8640 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8641 !WhiteOnMove(currentMove)
8644 curscore = -curscore;
8647 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8649 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8652 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8653 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8654 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8655 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8656 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8657 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8659 } else DisplayError(_("failed writing PV"), 0);
8662 tempStats.depth = plylev;
8663 tempStats.nodes = nodes;
8664 tempStats.time = time;
8665 tempStats.score = curscore;
8666 tempStats.got_only_move = 0;
8668 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8671 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8672 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8673 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8674 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8675 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8676 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8677 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8678 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8681 /* Buffer overflow protection */
8682 if (pv[0] != NULLCHAR) {
8683 if (strlen(pv) >= sizeof(tempStats.movelist)
8684 && appData.debugMode) {
8686 "PV is too long; using the first %u bytes.\n",
8687 (unsigned) sizeof(tempStats.movelist) - 1);
8690 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8692 sprintf(tempStats.movelist, " no PV\n");
8695 if (tempStats.seen_stat) {
8696 tempStats.ok_to_send = 1;
8699 if (strchr(tempStats.movelist, '(') != NULL) {
8700 tempStats.line_is_book = 1;
8701 tempStats.nr_moves = 0;
8702 tempStats.moves_left = 0;
8704 tempStats.line_is_book = 0;
8707 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8708 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8710 SendProgramStatsToFrontend( cps, &tempStats );
8713 [AS] Protect the thinkOutput buffer from overflow... this
8714 is only useful if buf1 hasn't overflowed first!
8716 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8718 (gameMode == TwoMachinesPlay ?
8719 ToUpper(cps->twoMachinesColor[0]) : ' '),
8720 ((double) curscore) / 100.0,
8721 prefixHint ? lastHint : "",
8722 prefixHint ? " " : "" );
8724 if( buf1[0] != NULLCHAR ) {
8725 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8727 if( strlen(pv) > max_len ) {
8728 if( appData.debugMode) {
8729 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8731 pv[max_len+1] = '\0';
8734 strcat( thinkOutput, pv);
8737 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8738 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8739 DisplayMove(currentMove - 1);
8743 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8744 /* crafty (9.25+) says "(only move) <move>"
8745 * if there is only 1 legal move
8747 sscanf(p, "(only move) %s", buf1);
8748 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8749 sprintf(programStats.movelist, "%s (only move)", buf1);
8750 programStats.depth = 1;
8751 programStats.nr_moves = 1;
8752 programStats.moves_left = 1;
8753 programStats.nodes = 1;
8754 programStats.time = 1;
8755 programStats.got_only_move = 1;
8757 /* Not really, but we also use this member to
8758 mean "line isn't going to change" (Crafty
8759 isn't searching, so stats won't change) */
8760 programStats.line_is_book = 1;
8762 SendProgramStatsToFrontend( cps, &programStats );
8764 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8765 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8766 DisplayMove(currentMove - 1);
8769 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8770 &time, &nodes, &plylev, &mvleft,
8771 &mvtot, mvname) >= 5) {
8772 /* The stat01: line is from Crafty (9.29+) in response
8773 to the "." command */
8774 programStats.seen_stat = 1;
8775 cps->maybeThinking = TRUE;
8777 if (programStats.got_only_move || !appData.periodicUpdates)
8780 programStats.depth = plylev;
8781 programStats.time = time;
8782 programStats.nodes = nodes;
8783 programStats.moves_left = mvleft;
8784 programStats.nr_moves = mvtot;
8785 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8786 programStats.ok_to_send = 1;
8787 programStats.movelist[0] = '\0';
8789 SendProgramStatsToFrontend( cps, &programStats );
8793 } else if (strncmp(message,"++",2) == 0) {
8794 /* Crafty 9.29+ outputs this */
8795 programStats.got_fail = 2;
8798 } else if (strncmp(message,"--",2) == 0) {
8799 /* Crafty 9.29+ outputs this */
8800 programStats.got_fail = 1;
8803 } else if (thinkOutput[0] != NULLCHAR &&
8804 strncmp(message, " ", 4) == 0) {
8805 unsigned message_len;
8808 while (*p && *p == ' ') p++;
8810 message_len = strlen( p );
8812 /* [AS] Avoid buffer overflow */
8813 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8814 strcat(thinkOutput, " ");
8815 strcat(thinkOutput, p);
8818 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8819 strcat(programStats.movelist, " ");
8820 strcat(programStats.movelist, p);
8823 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8824 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8825 DisplayMove(currentMove - 1);
8833 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8834 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8836 ChessProgramStats cpstats;
8838 if (plyext != ' ' && plyext != '\t') {
8842 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8843 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8844 curscore = -curscore;
8847 cpstats.depth = plylev;
8848 cpstats.nodes = nodes;
8849 cpstats.time = time;
8850 cpstats.score = curscore;
8851 cpstats.got_only_move = 0;
8852 cpstats.movelist[0] = '\0';
8854 if (buf1[0] != NULLCHAR) {
8855 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8858 cpstats.ok_to_send = 0;
8859 cpstats.line_is_book = 0;
8860 cpstats.nr_moves = 0;
8861 cpstats.moves_left = 0;
8863 SendProgramStatsToFrontend( cps, &cpstats );
8870 /* Parse a game score from the character string "game", and
8871 record it as the history of the current game. The game
8872 score is NOT assumed to start from the standard position.
8873 The display is not updated in any way.
8876 ParseGameHistory(game)
8880 int fromX, fromY, toX, toY, boardIndex;
8885 if (appData.debugMode)
8886 fprintf(debugFP, "Parsing game history: %s\n", game);
8888 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8889 gameInfo.site = StrSave(appData.icsHost);
8890 gameInfo.date = PGNDate();
8891 gameInfo.round = StrSave("-");
8893 /* Parse out names of players */
8894 while (*game == ' ') game++;
8896 while (*game != ' ') *p++ = *game++;
8898 gameInfo.white = StrSave(buf);
8899 while (*game == ' ') game++;
8901 while (*game != ' ' && *game != '\n') *p++ = *game++;
8903 gameInfo.black = StrSave(buf);
8906 boardIndex = blackPlaysFirst ? 1 : 0;
8909 yyboardindex = boardIndex;
8910 moveType = (ChessMove) Myylex();
8912 case IllegalMove: /* maybe suicide chess, etc. */
8913 if (appData.debugMode) {
8914 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8915 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8916 setbuf(debugFP, NULL);
8918 case WhitePromotion:
8919 case BlackPromotion:
8920 case WhiteNonPromotion:
8921 case BlackNonPromotion:
8923 case WhiteCapturesEnPassant:
8924 case BlackCapturesEnPassant:
8925 case WhiteKingSideCastle:
8926 case WhiteQueenSideCastle:
8927 case BlackKingSideCastle:
8928 case BlackQueenSideCastle:
8929 case WhiteKingSideCastleWild:
8930 case WhiteQueenSideCastleWild:
8931 case BlackKingSideCastleWild:
8932 case BlackQueenSideCastleWild:
8934 case WhiteHSideCastleFR:
8935 case WhiteASideCastleFR:
8936 case BlackHSideCastleFR:
8937 case BlackASideCastleFR:
8939 fromX = currentMoveString[0] - AAA;
8940 fromY = currentMoveString[1] - ONE;
8941 toX = currentMoveString[2] - AAA;
8942 toY = currentMoveString[3] - ONE;
8943 promoChar = currentMoveString[4];
8947 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8948 fromX = moveType == WhiteDrop ?
8949 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8950 (int) CharToPiece(ToLower(currentMoveString[0]));
8952 toX = currentMoveString[2] - AAA;
8953 toY = currentMoveString[3] - ONE;
8954 promoChar = NULLCHAR;
8958 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8959 if (appData.debugMode) {
8960 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8961 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8962 setbuf(debugFP, NULL);
8964 DisplayError(buf, 0);
8966 case ImpossibleMove:
8968 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8969 if (appData.debugMode) {
8970 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8971 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8972 setbuf(debugFP, NULL);
8974 DisplayError(buf, 0);
8977 if (boardIndex < backwardMostMove) {
8978 /* Oops, gap. How did that happen? */
8979 DisplayError(_("Gap in move list"), 0);
8982 backwardMostMove = blackPlaysFirst ? 1 : 0;
8983 if (boardIndex > forwardMostMove) {
8984 forwardMostMove = boardIndex;
8988 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8989 strcat(parseList[boardIndex-1], " ");
8990 strcat(parseList[boardIndex-1], yy_text);
9002 case GameUnfinished:
9003 if (gameMode == IcsExamining) {
9004 if (boardIndex < backwardMostMove) {
9005 /* Oops, gap. How did that happen? */
9008 backwardMostMove = blackPlaysFirst ? 1 : 0;
9011 gameInfo.result = moveType;
9012 p = strchr(yy_text, '{');
9013 if (p == NULL) p = strchr(yy_text, '(');
9016 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9018 q = strchr(p, *p == '{' ? '}' : ')');
9019 if (q != NULL) *q = NULLCHAR;
9022 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9023 gameInfo.resultDetails = StrSave(p);
9026 if (boardIndex >= forwardMostMove &&
9027 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9028 backwardMostMove = blackPlaysFirst ? 1 : 0;
9031 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9032 fromY, fromX, toY, toX, promoChar,
9033 parseList[boardIndex]);
9034 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9035 /* currentMoveString is set as a side-effect of yylex */
9036 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9037 strcat(moveList[boardIndex], "\n");
9039 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9040 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9046 if(gameInfo.variant != VariantShogi)
9047 strcat(parseList[boardIndex - 1], "+");
9051 strcat(parseList[boardIndex - 1], "#");
9058 /* Apply a move to the given board */
9060 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9061 int fromX, fromY, toX, toY;
9065 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9066 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9068 /* [HGM] compute & store e.p. status and castling rights for new position */
9069 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9071 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9072 oldEP = (signed char)board[EP_STATUS];
9073 board[EP_STATUS] = EP_NONE;
9075 if (fromY == DROP_RANK) {
9077 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9078 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9081 piece = board[toY][toX] = (ChessSquare) fromX;
9085 if( board[toY][toX] != EmptySquare )
9086 board[EP_STATUS] = EP_CAPTURE;
9088 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9089 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9090 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9092 if( board[fromY][fromX] == WhitePawn ) {
9093 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9094 board[EP_STATUS] = EP_PAWN_MOVE;
9096 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9097 gameInfo.variant != VariantBerolina || toX < fromX)
9098 board[EP_STATUS] = toX | berolina;
9099 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9100 gameInfo.variant != VariantBerolina || toX > fromX)
9101 board[EP_STATUS] = toX;
9104 if( board[fromY][fromX] == BlackPawn ) {
9105 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9106 board[EP_STATUS] = EP_PAWN_MOVE;
9107 if( toY-fromY== -2) {
9108 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9109 gameInfo.variant != VariantBerolina || toX < fromX)
9110 board[EP_STATUS] = toX | berolina;
9111 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9112 gameInfo.variant != VariantBerolina || toX > fromX)
9113 board[EP_STATUS] = toX;
9117 for(i=0; i<nrCastlingRights; i++) {
9118 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9119 board[CASTLING][i] == toX && castlingRank[i] == toY
9120 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9123 if (fromX == toX && fromY == toY) return;
9125 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9126 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9127 if(gameInfo.variant == VariantKnightmate)
9128 king += (int) WhiteUnicorn - (int) WhiteKing;
9130 /* Code added by Tord: */
9131 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9132 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9133 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9134 board[fromY][fromX] = EmptySquare;
9135 board[toY][toX] = EmptySquare;
9136 if((toX > fromX) != (piece == WhiteRook)) {
9137 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9139 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9141 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9142 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9143 board[fromY][fromX] = EmptySquare;
9144 board[toY][toX] = EmptySquare;
9145 if((toX > fromX) != (piece == BlackRook)) {
9146 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9148 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9150 /* End of code added by Tord */
9152 } else if (board[fromY][fromX] == king
9153 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9154 && toY == fromY && toX > fromX+1) {
9155 board[fromY][fromX] = EmptySquare;
9156 board[toY][toX] = king;
9157 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9158 board[fromY][BOARD_RGHT-1] = EmptySquare;
9159 } else if (board[fromY][fromX] == king
9160 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9161 && toY == fromY && toX < fromX-1) {
9162 board[fromY][fromX] = EmptySquare;
9163 board[toY][toX] = king;
9164 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9165 board[fromY][BOARD_LEFT] = EmptySquare;
9166 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9167 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9168 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9170 /* white pawn promotion */
9171 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9172 if(gameInfo.variant==VariantBughouse ||
9173 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9174 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9175 board[fromY][fromX] = EmptySquare;
9176 } else if ((fromY >= BOARD_HEIGHT>>1)
9178 && gameInfo.variant != VariantXiangqi
9179 && gameInfo.variant != VariantBerolina
9180 && (board[fromY][fromX] == WhitePawn)
9181 && (board[toY][toX] == EmptySquare)) {
9182 board[fromY][fromX] = EmptySquare;
9183 board[toY][toX] = WhitePawn;
9184 captured = board[toY - 1][toX];
9185 board[toY - 1][toX] = EmptySquare;
9186 } else if ((fromY == BOARD_HEIGHT-4)
9188 && gameInfo.variant == VariantBerolina
9189 && (board[fromY][fromX] == WhitePawn)
9190 && (board[toY][toX] == EmptySquare)) {
9191 board[fromY][fromX] = EmptySquare;
9192 board[toY][toX] = WhitePawn;
9193 if(oldEP & EP_BEROLIN_A) {
9194 captured = board[fromY][fromX-1];
9195 board[fromY][fromX-1] = EmptySquare;
9196 }else{ captured = board[fromY][fromX+1];
9197 board[fromY][fromX+1] = EmptySquare;
9199 } else if (board[fromY][fromX] == king
9200 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9201 && toY == fromY && toX > fromX+1) {
9202 board[fromY][fromX] = EmptySquare;
9203 board[toY][toX] = king;
9204 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9205 board[fromY][BOARD_RGHT-1] = EmptySquare;
9206 } else if (board[fromY][fromX] == king
9207 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9208 && toY == fromY && toX < fromX-1) {
9209 board[fromY][fromX] = EmptySquare;
9210 board[toY][toX] = king;
9211 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9212 board[fromY][BOARD_LEFT] = EmptySquare;
9213 } else if (fromY == 7 && fromX == 3
9214 && board[fromY][fromX] == BlackKing
9215 && toY == 7 && toX == 5) {
9216 board[fromY][fromX] = EmptySquare;
9217 board[toY][toX] = BlackKing;
9218 board[fromY][7] = EmptySquare;
9219 board[toY][4] = BlackRook;
9220 } else if (fromY == 7 && fromX == 3
9221 && board[fromY][fromX] == BlackKing
9222 && toY == 7 && toX == 1) {
9223 board[fromY][fromX] = EmptySquare;
9224 board[toY][toX] = BlackKing;
9225 board[fromY][0] = EmptySquare;
9226 board[toY][2] = BlackRook;
9227 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9228 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9229 && toY < promoRank && promoChar
9231 /* black pawn promotion */
9232 board[toY][toX] = CharToPiece(ToLower(promoChar));
9233 if(gameInfo.variant==VariantBughouse ||
9234 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9235 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9236 board[fromY][fromX] = EmptySquare;
9237 } else if ((fromY < BOARD_HEIGHT>>1)
9239 && gameInfo.variant != VariantXiangqi
9240 && gameInfo.variant != VariantBerolina
9241 && (board[fromY][fromX] == BlackPawn)
9242 && (board[toY][toX] == EmptySquare)) {
9243 board[fromY][fromX] = EmptySquare;
9244 board[toY][toX] = BlackPawn;
9245 captured = board[toY + 1][toX];
9246 board[toY + 1][toX] = EmptySquare;
9247 } else if ((fromY == 3)
9249 && gameInfo.variant == VariantBerolina
9250 && (board[fromY][fromX] == BlackPawn)
9251 && (board[toY][toX] == EmptySquare)) {
9252 board[fromY][fromX] = EmptySquare;
9253 board[toY][toX] = BlackPawn;
9254 if(oldEP & EP_BEROLIN_A) {
9255 captured = board[fromY][fromX-1];
9256 board[fromY][fromX-1] = EmptySquare;
9257 }else{ captured = board[fromY][fromX+1];
9258 board[fromY][fromX+1] = EmptySquare;
9261 board[toY][toX] = board[fromY][fromX];
9262 board[fromY][fromX] = EmptySquare;
9266 if (gameInfo.holdingsWidth != 0) {
9268 /* !!A lot more code needs to be written to support holdings */
9269 /* [HGM] OK, so I have written it. Holdings are stored in the */
9270 /* penultimate board files, so they are automaticlly stored */
9271 /* in the game history. */
9272 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9273 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9274 /* Delete from holdings, by decreasing count */
9275 /* and erasing image if necessary */
9276 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9277 if(p < (int) BlackPawn) { /* white drop */
9278 p -= (int)WhitePawn;
9279 p = PieceToNumber((ChessSquare)p);
9280 if(p >= gameInfo.holdingsSize) p = 0;
9281 if(--board[p][BOARD_WIDTH-2] <= 0)
9282 board[p][BOARD_WIDTH-1] = EmptySquare;
9283 if((int)board[p][BOARD_WIDTH-2] < 0)
9284 board[p][BOARD_WIDTH-2] = 0;
9285 } else { /* black drop */
9286 p -= (int)BlackPawn;
9287 p = PieceToNumber((ChessSquare)p);
9288 if(p >= gameInfo.holdingsSize) p = 0;
9289 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9290 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9291 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9292 board[BOARD_HEIGHT-1-p][1] = 0;
9295 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9296 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9297 /* [HGM] holdings: Add to holdings, if holdings exist */
9298 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9299 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9300 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9303 if (p >= (int) BlackPawn) {
9304 p -= (int)BlackPawn;
9305 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9306 /* in Shogi restore piece to its original first */
9307 captured = (ChessSquare) (DEMOTED captured);
9310 p = PieceToNumber((ChessSquare)p);
9311 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9312 board[p][BOARD_WIDTH-2]++;
9313 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9315 p -= (int)WhitePawn;
9316 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9317 captured = (ChessSquare) (DEMOTED captured);
9320 p = PieceToNumber((ChessSquare)p);
9321 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9322 board[BOARD_HEIGHT-1-p][1]++;
9323 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9326 } else if (gameInfo.variant == VariantAtomic) {
9327 if (captured != EmptySquare) {
9329 for (y = toY-1; y <= toY+1; y++) {
9330 for (x = toX-1; x <= toX+1; x++) {
9331 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9332 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9333 board[y][x] = EmptySquare;
9337 board[toY][toX] = EmptySquare;
9340 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9341 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9343 if(promoChar == '+') {
9344 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9345 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9346 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9347 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9349 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9350 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9351 // [HGM] superchess: take promotion piece out of holdings
9352 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9353 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9354 if(!--board[k][BOARD_WIDTH-2])
9355 board[k][BOARD_WIDTH-1] = EmptySquare;
9357 if(!--board[BOARD_HEIGHT-1-k][1])
9358 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9364 /* Updates forwardMostMove */
9366 MakeMove(fromX, fromY, toX, toY, promoChar)
9367 int fromX, fromY, toX, toY;
9370 // forwardMostMove++; // [HGM] bare: moved downstream
9372 (void) CoordsToAlgebraic(boards[forwardMostMove],
9373 PosFlags(forwardMostMove),
9374 fromY, fromX, toY, toX, promoChar,
9375 parseList[forwardMostMove]);
9377 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9378 int timeLeft; static int lastLoadFlag=0; int king, piece;
9379 piece = boards[forwardMostMove][fromY][fromX];
9380 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9381 if(gameInfo.variant == VariantKnightmate)
9382 king += (int) WhiteUnicorn - (int) WhiteKing;
9383 if(forwardMostMove == 0) {
9384 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9385 fprintf(serverMoves, "%s;", UserName());
9386 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9387 fprintf(serverMoves, "%s;", second.tidy);
9388 fprintf(serverMoves, "%s;", first.tidy);
9389 if(gameMode == MachinePlaysWhite)
9390 fprintf(serverMoves, "%s;", UserName());
9391 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9392 fprintf(serverMoves, "%s;", second.tidy);
9393 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9394 lastLoadFlag = loadFlag;
9396 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9397 // print castling suffix
9398 if( toY == fromY && piece == king ) {
9400 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9402 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9405 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9406 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9407 boards[forwardMostMove][toY][toX] == EmptySquare
9408 && fromX != toX && fromY != toY)
9409 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9411 if(promoChar != NULLCHAR)
9412 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9414 char buf[MOVE_LEN*2], *p; int len;
9415 fprintf(serverMoves, "/%d/%d",
9416 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9417 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9418 else timeLeft = blackTimeRemaining/1000;
9419 fprintf(serverMoves, "/%d", timeLeft);
9420 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9421 if(p = strchr(buf, '=')) *p = NULLCHAR;
9422 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9423 fprintf(serverMoves, "/%s", buf);
9425 fflush(serverMoves);
9428 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9429 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9432 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9433 if (commentList[forwardMostMove+1] != NULL) {
9434 free(commentList[forwardMostMove+1]);
9435 commentList[forwardMostMove+1] = NULL;
9437 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9438 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9439 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9440 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9441 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9442 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9443 adjustedClock = FALSE;
9444 gameInfo.result = GameUnfinished;
9445 if (gameInfo.resultDetails != NULL) {
9446 free(gameInfo.resultDetails);
9447 gameInfo.resultDetails = NULL;
9449 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9450 moveList[forwardMostMove - 1]);
9451 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9457 if(gameInfo.variant != VariantShogi)
9458 strcat(parseList[forwardMostMove - 1], "+");
9462 strcat(parseList[forwardMostMove - 1], "#");
9465 if (appData.debugMode) {
9466 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9471 /* Updates currentMove if not pausing */
9473 ShowMove(fromX, fromY, toX, toY)
9475 int instant = (gameMode == PlayFromGameFile) ?
9476 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9477 if(appData.noGUI) return;
9478 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9480 if (forwardMostMove == currentMove + 1) {
9481 AnimateMove(boards[forwardMostMove - 1],
9482 fromX, fromY, toX, toY);
9484 if (appData.highlightLastMove) {
9485 SetHighlights(fromX, fromY, toX, toY);
9488 currentMove = forwardMostMove;
9491 if (instant) return;
9493 DisplayMove(currentMove - 1);
9494 DrawPosition(FALSE, boards[currentMove]);
9495 DisplayBothClocks();
9496 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9499 void SendEgtPath(ChessProgramState *cps)
9500 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9501 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9503 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9506 char c, *q = name+1, *r, *s;
9508 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9509 while(*p && *p != ',') *q++ = *p++;
9511 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9512 strcmp(name, ",nalimov:") == 0 ) {
9513 // take nalimov path from the menu-changeable option first, if it is defined
9514 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9515 SendToProgram(buf,cps); // send egtbpath command for nalimov
9517 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9518 (s = StrStr(appData.egtFormats, name)) != NULL) {
9519 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9520 s = r = StrStr(s, ":") + 1; // beginning of path info
9521 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9522 c = *r; *r = 0; // temporarily null-terminate path info
9523 *--q = 0; // strip of trailig ':' from name
9524 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9526 SendToProgram(buf,cps); // send egtbpath command for this format
9528 if(*p == ',') p++; // read away comma to position for next format name
9533 InitChessProgram(cps, setup)
9534 ChessProgramState *cps;
9535 int setup; /* [HGM] needed to setup FRC opening position */
9537 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9538 if (appData.noChessProgram) return;
9539 hintRequested = FALSE;
9540 bookRequested = FALSE;
9542 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9543 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9544 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9545 if(cps->memSize) { /* [HGM] memory */
9546 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9547 SendToProgram(buf, cps);
9549 SendEgtPath(cps); /* [HGM] EGT */
9550 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9551 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9552 SendToProgram(buf, cps);
9555 SendToProgram(cps->initString, cps);
9556 if (gameInfo.variant != VariantNormal &&
9557 gameInfo.variant != VariantLoadable
9558 /* [HGM] also send variant if board size non-standard */
9559 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9561 char *v = VariantName(gameInfo.variant);
9562 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9563 /* [HGM] in protocol 1 we have to assume all variants valid */
9564 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9565 DisplayFatalError(buf, 0, 1);
9569 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9570 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9571 if( gameInfo.variant == VariantXiangqi )
9572 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9573 if( gameInfo.variant == VariantShogi )
9574 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9575 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9576 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9577 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9578 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9579 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9580 if( gameInfo.variant == VariantCourier )
9581 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9582 if( gameInfo.variant == VariantSuper )
9583 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9584 if( gameInfo.variant == VariantGreat )
9585 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9586 if( gameInfo.variant == VariantSChess )
9587 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9588 if( gameInfo.variant == VariantGrand )
9589 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9592 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9593 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9594 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9595 if(StrStr(cps->variants, b) == NULL) {
9596 // specific sized variant not known, check if general sizing allowed
9597 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9598 if(StrStr(cps->variants, "boardsize") == NULL) {
9599 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9600 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9601 DisplayFatalError(buf, 0, 1);
9604 /* [HGM] here we really should compare with the maximum supported board size */
9607 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9608 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9609 SendToProgram(buf, cps);
9611 currentlyInitializedVariant = gameInfo.variant;
9613 /* [HGM] send opening position in FRC to first engine */
9615 SendToProgram("force\n", cps);
9617 /* engine is now in force mode! Set flag to wake it up after first move. */
9618 setboardSpoiledMachineBlack = 1;
9622 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9623 SendToProgram(buf, cps);
9625 cps->maybeThinking = FALSE;
9626 cps->offeredDraw = 0;
9627 if (!appData.icsActive) {
9628 SendTimeControl(cps, movesPerSession, timeControl,
9629 timeIncrement, appData.searchDepth,
9632 if (appData.showThinking
9633 // [HGM] thinking: four options require thinking output to be sent
9634 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9636 SendToProgram("post\n", cps);
9638 SendToProgram("hard\n", cps);
9639 if (!appData.ponderNextMove) {
9640 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9641 it without being sure what state we are in first. "hard"
9642 is not a toggle, so that one is OK.
9644 SendToProgram("easy\n", cps);
9647 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9648 SendToProgram(buf, cps);
9650 cps->initDone = TRUE;
9651 ClearEngineOutputPane(cps == &second);
9656 StartChessProgram(cps)
9657 ChessProgramState *cps;
9662 if (appData.noChessProgram) return;
9663 cps->initDone = FALSE;
9665 if (strcmp(cps->host, "localhost") == 0) {
9666 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9667 } else if (*appData.remoteShell == NULLCHAR) {
9668 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9670 if (*appData.remoteUser == NULLCHAR) {
9671 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9674 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9675 cps->host, appData.remoteUser, cps->program);
9677 err = StartChildProcess(buf, "", &cps->pr);
9681 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9682 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9683 if(cps != &first) return;
9684 appData.noChessProgram = TRUE;
9687 // DisplayFatalError(buf, err, 1);
9688 // cps->pr = NoProc;
9693 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9694 if (cps->protocolVersion > 1) {
9695 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9696 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9697 cps->comboCnt = 0; // and values of combo boxes
9698 SendToProgram(buf, cps);
9700 SendToProgram("xboard\n", cps);
9705 TwoMachinesEventIfReady P((void))
9707 static int curMess = 0;
9708 if (first.lastPing != first.lastPong) {
9709 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9710 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9713 if (second.lastPing != second.lastPong) {
9714 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9715 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9718 DisplayMessage("", ""); curMess = 0;
9724 MakeName(char *template)
9728 static char buf[MSG_SIZ];
9732 clock = time((time_t *)NULL);
9733 tm = localtime(&clock);
9735 while(*p++ = *template++) if(p[-1] == '%') {
9736 switch(*template++) {
9737 case 0: *p = 0; return buf;
9738 case 'Y': i = tm->tm_year+1900; break;
9739 case 'y': i = tm->tm_year-100; break;
9740 case 'M': i = tm->tm_mon+1; break;
9741 case 'd': i = tm->tm_mday; break;
9742 case 'h': i = tm->tm_hour; break;
9743 case 'm': i = tm->tm_min; break;
9744 case 's': i = tm->tm_sec; break;
9747 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9753 CountPlayers(char *p)
9756 while(p = strchr(p, '\n')) p++, n++; // count participants
9761 WriteTourneyFile(char *results, FILE *f)
9762 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9763 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9764 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9765 // create a file with tournament description
9766 fprintf(f, "-participants {%s}\n", appData.participants);
9767 fprintf(f, "-seedBase %d\n", appData.seedBase);
9768 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9769 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9770 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9771 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9772 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9773 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9774 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9775 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9776 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9777 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9778 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9779 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9781 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9783 fprintf(f, "-mps %d\n", appData.movesPerSession);
9784 fprintf(f, "-tc %s\n", appData.timeControl);
9785 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9787 fprintf(f, "-results \"%s\"\n", results);
9792 #define MAXENGINES 1000
9793 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9795 void Substitute(char *participants, int expunge)
9797 int i, changed, changes=0, nPlayers=0;
9798 char *p, *q, *r, buf[MSG_SIZ];
9799 if(participants == NULL) return;
9800 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9801 r = p = participants; q = appData.participants;
9802 while(*p && *p == *q) {
9803 if(*p == '\n') r = p+1, nPlayers++;
9806 if(*p) { // difference
9807 while(*p && *p++ != '\n');
9808 while(*q && *q++ != '\n');
9810 changes = 1 + (strcmp(p, q) != 0);
9812 if(changes == 1) { // a single engine mnemonic was changed
9813 q = r; while(*q) nPlayers += (*q++ == '\n');
9814 p = buf; while(*r && (*p = *r++) != '\n') p++;
9816 NamesToList(firstChessProgramNames, command, mnemonic);
9817 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9818 if(mnemonic[i]) { // The substitute is valid
9820 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9821 flock(fileno(f), LOCK_EX);
9822 ParseArgsFromFile(f);
9823 fseek(f, 0, SEEK_SET);
9824 FREE(appData.participants); appData.participants = participants;
9825 if(expunge) { // erase results of replaced engine
9826 int len = strlen(appData.results), w, b, dummy;
9827 for(i=0; i<len; i++) {
9828 Pairing(i, nPlayers, &w, &b, &dummy);
9829 if((w == changed || b == changed) && appData.results[i] == '*') {
9830 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9835 for(i=0; i<len; i++) {
9836 Pairing(i, nPlayers, &w, &b, &dummy);
9837 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9840 WriteTourneyFile(appData.results, f);
9841 fclose(f); // release lock
9844 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9846 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9847 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9853 CreateTourney(char *name)
9856 if(matchMode && strcmp(name, appData.tourneyFile)) {
9857 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9859 if(name[0] == NULLCHAR) {
9860 if(appData.participants[0])
9861 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9864 f = fopen(name, "r");
9865 if(f) { // file exists
9866 ASSIGN(appData.tourneyFile, name);
9867 ParseArgsFromFile(f); // parse it
9869 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9870 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9871 DisplayError(_("Not enough participants"), 0);
9874 ASSIGN(appData.tourneyFile, name);
9875 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9876 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9879 appData.noChessProgram = FALSE;
9880 appData.clockMode = TRUE;
9885 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9887 char buf[MSG_SIZ], *p, *q;
9891 while(*p && *p != '\n') *q++ = *p++;
9893 if(engineList[i]) free(engineList[i]);
9894 engineList[i] = strdup(buf);
9896 TidyProgramName(engineList[i], "localhost", buf);
9897 if(engineMnemonic[i]) free(engineMnemonic[i]);
9898 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9900 sscanf(q + 8, "%s", buf + strlen(buf));
9903 engineMnemonic[i] = strdup(buf);
9905 if(i > MAXENGINES - 2) break;
9907 engineList[i] = engineMnemonic[i] = NULL;
9910 // following implemented as macro to avoid type limitations
9911 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9913 void SwapEngines(int n)
9914 { // swap settings for first engine and other engine (so far only some selected options)
9919 SWAP(chessProgram, p)
9921 SWAP(hasOwnBookUCI, h)
9922 SWAP(protocolVersion, h)
9924 SWAP(scoreIsAbsolute, h)
9933 SetPlayer(int player)
9934 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9936 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9937 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9938 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9939 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9941 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9942 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9943 appData.firstHasOwnBookUCI = !appData.defNoBook;
9944 ParseArgsFromString(buf);
9950 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9951 { // determine players from game number
9952 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9954 if(appData.tourneyType == 0) {
9955 roundsPerCycle = (nPlayers - 1) | 1;
9956 pairingsPerRound = nPlayers / 2;
9957 } else if(appData.tourneyType > 0) {
9958 roundsPerCycle = nPlayers - appData.tourneyType;
9959 pairingsPerRound = appData.tourneyType;
9961 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9962 gamesPerCycle = gamesPerRound * roundsPerCycle;
9963 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9964 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9965 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9966 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9967 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9968 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9970 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9971 if(appData.roundSync) *syncInterval = gamesPerRound;
9973 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9975 if(appData.tourneyType == 0) {
9976 if(curPairing == (nPlayers-1)/2 ) {
9977 *whitePlayer = curRound;
9978 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9980 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9981 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9982 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9983 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9985 } else if(appData.tourneyType > 0) {
9986 *whitePlayer = curPairing;
9987 *blackPlayer = curRound + appData.tourneyType;
9990 // take care of white/black alternation per round.
9991 // For cycles and games this is already taken care of by default, derived from matchGame!
9992 return curRound & 1;
9996 NextTourneyGame(int nr, int *swapColors)
9997 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9999 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10001 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10002 tf = fopen(appData.tourneyFile, "r");
10003 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10004 ParseArgsFromFile(tf); fclose(tf);
10005 InitTimeControls(); // TC might be altered from tourney file
10007 nPlayers = CountPlayers(appData.participants); // count participants
10008 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10009 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10012 p = q = appData.results;
10013 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10014 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10015 DisplayMessage(_("Waiting for other game(s)"),"");
10016 waitingForGame = TRUE;
10017 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10020 waitingForGame = FALSE;
10023 if(appData.tourneyType < 0) {
10024 if(nr>=0 && !pairingReceived) {
10026 if(pairing.pr == NoProc) {
10027 if(!appData.pairingEngine[0]) {
10028 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10031 StartChessProgram(&pairing); // starts the pairing engine
10033 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10034 SendToProgram(buf, &pairing);
10035 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10036 SendToProgram(buf, &pairing);
10037 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10039 pairingReceived = 0; // ... so we continue here
10041 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10042 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10043 matchGame = 1; roundNr = nr / syncInterval + 1;
10046 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10048 // redefine engines, engine dir, etc.
10049 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10050 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10052 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10053 SwapEngines(1); // and make that valid for second engine by swapping
10054 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10055 InitEngine(&second, 1);
10056 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10057 UpdateLogos(FALSE); // leave display to ModeHiglight()
10063 { // performs game initialization that does not invoke engines, and then tries to start the game
10064 int res, firstWhite, swapColors = 0;
10065 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10066 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10067 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10068 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10069 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10070 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10071 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10072 Reset(FALSE, first.pr != NoProc);
10073 res = LoadGameOrPosition(matchGame); // setup game
10074 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10075 if(!res) return; // abort when bad game/pos file
10076 TwoMachinesEvent();
10079 void UserAdjudicationEvent( int result )
10081 ChessMove gameResult = GameIsDrawn;
10084 gameResult = WhiteWins;
10086 else if( result < 0 ) {
10087 gameResult = BlackWins;
10090 if( gameMode == TwoMachinesPlay ) {
10091 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10096 // [HGM] save: calculate checksum of game to make games easily identifiable
10097 int StringCheckSum(char *s)
10100 if(s==NULL) return 0;
10101 while(*s) i = i*259 + *s++;
10108 for(i=backwardMostMove; i<forwardMostMove; i++) {
10109 sum += pvInfoList[i].depth;
10110 sum += StringCheckSum(parseList[i]);
10111 sum += StringCheckSum(commentList[i]);
10114 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10115 return sum + StringCheckSum(commentList[i]);
10116 } // end of save patch
10119 GameEnds(result, resultDetails, whosays)
10121 char *resultDetails;
10124 GameMode nextGameMode;
10126 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10128 if(endingGame) return; /* [HGM] crash: forbid recursion */
10130 if(twoBoards) { // [HGM] dual: switch back to one board
10131 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10132 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10134 if (appData.debugMode) {
10135 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10136 result, resultDetails ? resultDetails : "(null)", whosays);
10139 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10141 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10142 /* If we are playing on ICS, the server decides when the
10143 game is over, but the engine can offer to draw, claim
10147 if (appData.zippyPlay && first.initDone) {
10148 if (result == GameIsDrawn) {
10149 /* In case draw still needs to be claimed */
10150 SendToICS(ics_prefix);
10151 SendToICS("draw\n");
10152 } else if (StrCaseStr(resultDetails, "resign")) {
10153 SendToICS(ics_prefix);
10154 SendToICS("resign\n");
10158 endingGame = 0; /* [HGM] crash */
10162 /* If we're loading the game from a file, stop */
10163 if (whosays == GE_FILE) {
10164 (void) StopLoadGameTimer();
10168 /* Cancel draw offers */
10169 first.offeredDraw = second.offeredDraw = 0;
10171 /* If this is an ICS game, only ICS can really say it's done;
10172 if not, anyone can. */
10173 isIcsGame = (gameMode == IcsPlayingWhite ||
10174 gameMode == IcsPlayingBlack ||
10175 gameMode == IcsObserving ||
10176 gameMode == IcsExamining);
10178 if (!isIcsGame || whosays == GE_ICS) {
10179 /* OK -- not an ICS game, or ICS said it was done */
10181 if (!isIcsGame && !appData.noChessProgram)
10182 SetUserThinkingEnables();
10184 /* [HGM] if a machine claims the game end we verify this claim */
10185 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10186 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10188 ChessMove trueResult = (ChessMove) -1;
10190 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10191 first.twoMachinesColor[0] :
10192 second.twoMachinesColor[0] ;
10194 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10195 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10196 /* [HGM] verify: engine mate claims accepted if they were flagged */
10197 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10199 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10200 /* [HGM] verify: engine mate claims accepted if they were flagged */
10201 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10203 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10204 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10207 // now verify win claims, but not in drop games, as we don't understand those yet
10208 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10209 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10210 (result == WhiteWins && claimer == 'w' ||
10211 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10212 if (appData.debugMode) {
10213 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10214 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10216 if(result != trueResult) {
10217 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10218 result = claimer == 'w' ? BlackWins : WhiteWins;
10219 resultDetails = buf;
10222 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10223 && (forwardMostMove <= backwardMostMove ||
10224 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10225 (claimer=='b')==(forwardMostMove&1))
10227 /* [HGM] verify: draws that were not flagged are false claims */
10228 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10229 result = claimer == 'w' ? BlackWins : WhiteWins;
10230 resultDetails = buf;
10232 /* (Claiming a loss is accepted no questions asked!) */
10234 /* [HGM] bare: don't allow bare King to win */
10235 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10236 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10237 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10238 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10239 && result != GameIsDrawn)
10240 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10241 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10242 int p = (signed char)boards[forwardMostMove][i][j] - color;
10243 if(p >= 0 && p <= (int)WhiteKing) k++;
10245 if (appData.debugMode) {
10246 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10247 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10250 result = GameIsDrawn;
10251 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10252 resultDetails = buf;
10258 if(serverMoves != NULL && !loadFlag) { char c = '=';
10259 if(result==WhiteWins) c = '+';
10260 if(result==BlackWins) c = '-';
10261 if(resultDetails != NULL)
10262 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10264 if (resultDetails != NULL) {
10265 gameInfo.result = result;
10266 gameInfo.resultDetails = StrSave(resultDetails);
10268 /* display last move only if game was not loaded from file */
10269 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10270 DisplayMove(currentMove - 1);
10272 if (forwardMostMove != 0) {
10273 if (gameMode != PlayFromGameFile && gameMode != EditGame
10274 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10276 if (*appData.saveGameFile != NULLCHAR) {
10277 SaveGameToFile(appData.saveGameFile, TRUE);
10278 } else if (appData.autoSaveGames) {
10281 if (*appData.savePositionFile != NULLCHAR) {
10282 SavePositionToFile(appData.savePositionFile);
10287 /* Tell program how game ended in case it is learning */
10288 /* [HGM] Moved this to after saving the PGN, just in case */
10289 /* engine died and we got here through time loss. In that */
10290 /* case we will get a fatal error writing the pipe, which */
10291 /* would otherwise lose us the PGN. */
10292 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10293 /* output during GameEnds should never be fatal anymore */
10294 if (gameMode == MachinePlaysWhite ||
10295 gameMode == MachinePlaysBlack ||
10296 gameMode == TwoMachinesPlay ||
10297 gameMode == IcsPlayingWhite ||
10298 gameMode == IcsPlayingBlack ||
10299 gameMode == BeginningOfGame) {
10301 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10303 if (first.pr != NoProc) {
10304 SendToProgram(buf, &first);
10306 if (second.pr != NoProc &&
10307 gameMode == TwoMachinesPlay) {
10308 SendToProgram(buf, &second);
10313 if (appData.icsActive) {
10314 if (appData.quietPlay &&
10315 (gameMode == IcsPlayingWhite ||
10316 gameMode == IcsPlayingBlack)) {
10317 SendToICS(ics_prefix);
10318 SendToICS("set shout 1\n");
10320 nextGameMode = IcsIdle;
10321 ics_user_moved = FALSE;
10322 /* clean up premove. It's ugly when the game has ended and the
10323 * premove highlights are still on the board.
10326 gotPremove = FALSE;
10327 ClearPremoveHighlights();
10328 DrawPosition(FALSE, boards[currentMove]);
10330 if (whosays == GE_ICS) {
10333 if (gameMode == IcsPlayingWhite)
10335 else if(gameMode == IcsPlayingBlack)
10336 PlayIcsLossSound();
10339 if (gameMode == IcsPlayingBlack)
10341 else if(gameMode == IcsPlayingWhite)
10342 PlayIcsLossSound();
10345 PlayIcsDrawSound();
10348 PlayIcsUnfinishedSound();
10351 } else if (gameMode == EditGame ||
10352 gameMode == PlayFromGameFile ||
10353 gameMode == AnalyzeMode ||
10354 gameMode == AnalyzeFile) {
10355 nextGameMode = gameMode;
10357 nextGameMode = EndOfGame;
10362 nextGameMode = gameMode;
10365 if (appData.noChessProgram) {
10366 gameMode = nextGameMode;
10368 endingGame = 0; /* [HGM] crash */
10373 /* Put first chess program into idle state */
10374 if (first.pr != NoProc &&
10375 (gameMode == MachinePlaysWhite ||
10376 gameMode == MachinePlaysBlack ||
10377 gameMode == TwoMachinesPlay ||
10378 gameMode == IcsPlayingWhite ||
10379 gameMode == IcsPlayingBlack ||
10380 gameMode == BeginningOfGame)) {
10381 SendToProgram("force\n", &first);
10382 if (first.usePing) {
10384 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10385 SendToProgram(buf, &first);
10388 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10389 /* Kill off first chess program */
10390 if (first.isr != NULL)
10391 RemoveInputSource(first.isr);
10394 if (first.pr != NoProc) {
10396 DoSleep( appData.delayBeforeQuit );
10397 SendToProgram("quit\n", &first);
10398 DoSleep( appData.delayAfterQuit );
10399 DestroyChildProcess(first.pr, first.useSigterm);
10403 if (second.reuse) {
10404 /* Put second chess program into idle state */
10405 if (second.pr != NoProc &&
10406 gameMode == TwoMachinesPlay) {
10407 SendToProgram("force\n", &second);
10408 if (second.usePing) {
10410 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10411 SendToProgram(buf, &second);
10414 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10415 /* Kill off second chess program */
10416 if (second.isr != NULL)
10417 RemoveInputSource(second.isr);
10420 if (second.pr != NoProc) {
10421 DoSleep( appData.delayBeforeQuit );
10422 SendToProgram("quit\n", &second);
10423 DoSleep( appData.delayAfterQuit );
10424 DestroyChildProcess(second.pr, second.useSigterm);
10426 second.pr = NoProc;
10429 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10430 char resChar = '=';
10434 if (first.twoMachinesColor[0] == 'w') {
10437 second.matchWins++;
10442 if (first.twoMachinesColor[0] == 'b') {
10445 second.matchWins++;
10448 case GameUnfinished:
10454 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10455 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10456 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10457 ReserveGame(nextGame, resChar); // sets nextGame
10458 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10459 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10460 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10462 if (nextGame <= appData.matchGames && !abortMatch) {
10463 gameMode = nextGameMode;
10464 matchGame = nextGame; // this will be overruled in tourney mode!
10465 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10466 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10467 endingGame = 0; /* [HGM] crash */
10470 gameMode = nextGameMode;
10471 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10472 first.tidy, second.tidy,
10473 first.matchWins, second.matchWins,
10474 appData.matchGames - (first.matchWins + second.matchWins));
10475 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10476 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10477 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10478 first.twoMachinesColor = "black\n";
10479 second.twoMachinesColor = "white\n";
10481 first.twoMachinesColor = "white\n";
10482 second.twoMachinesColor = "black\n";
10486 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10487 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10489 gameMode = nextGameMode;
10491 endingGame = 0; /* [HGM] crash */
10492 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10493 if(matchMode == TRUE) { // match through command line: exit with or without popup
10495 ToNrEvent(forwardMostMove);
10496 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10498 } else DisplayFatalError(buf, 0, 0);
10499 } else { // match through menu; just stop, with or without popup
10500 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10503 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10504 } else DisplayNote(buf);
10506 if(ranking) free(ranking);
10510 /* Assumes program was just initialized (initString sent).
10511 Leaves program in force mode. */
10513 FeedMovesToProgram(cps, upto)
10514 ChessProgramState *cps;
10519 if (appData.debugMode)
10520 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10521 startedFromSetupPosition ? "position and " : "",
10522 backwardMostMove, upto, cps->which);
10523 if(currentlyInitializedVariant != gameInfo.variant) {
10525 // [HGM] variantswitch: make engine aware of new variant
10526 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10527 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10528 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10529 SendToProgram(buf, cps);
10530 currentlyInitializedVariant = gameInfo.variant;
10532 SendToProgram("force\n", cps);
10533 if (startedFromSetupPosition) {
10534 SendBoard(cps, backwardMostMove);
10535 if (appData.debugMode) {
10536 fprintf(debugFP, "feedMoves\n");
10539 for (i = backwardMostMove; i < upto; i++) {
10540 SendMoveToProgram(i, cps);
10546 ResurrectChessProgram()
10548 /* The chess program may have exited.
10549 If so, restart it and feed it all the moves made so far. */
10550 static int doInit = 0;
10552 if (appData.noChessProgram) return 1;
10554 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10555 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10556 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10557 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10559 if (first.pr != NoProc) return 1;
10560 StartChessProgram(&first);
10562 InitChessProgram(&first, FALSE);
10563 FeedMovesToProgram(&first, currentMove);
10565 if (!first.sendTime) {
10566 /* can't tell gnuchess what its clock should read,
10567 so we bow to its notion. */
10569 timeRemaining[0][currentMove] = whiteTimeRemaining;
10570 timeRemaining[1][currentMove] = blackTimeRemaining;
10573 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10574 appData.icsEngineAnalyze) && first.analysisSupport) {
10575 SendToProgram("analyze\n", &first);
10576 first.analyzing = TRUE;
10582 * Button procedures
10585 Reset(redraw, init)
10590 if (appData.debugMode) {
10591 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10592 redraw, init, gameMode);
10594 CleanupTail(); // [HGM] vari: delete any stored variations
10595 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10596 pausing = pauseExamInvalid = FALSE;
10597 startedFromSetupPosition = blackPlaysFirst = FALSE;
10599 whiteFlag = blackFlag = FALSE;
10600 userOfferedDraw = FALSE;
10601 hintRequested = bookRequested = FALSE;
10602 first.maybeThinking = FALSE;
10603 second.maybeThinking = FALSE;
10604 first.bookSuspend = FALSE; // [HGM] book
10605 second.bookSuspend = FALSE;
10606 thinkOutput[0] = NULLCHAR;
10607 lastHint[0] = NULLCHAR;
10608 ClearGameInfo(&gameInfo);
10609 gameInfo.variant = StringToVariant(appData.variant);
10610 ics_user_moved = ics_clock_paused = FALSE;
10611 ics_getting_history = H_FALSE;
10613 white_holding[0] = black_holding[0] = NULLCHAR;
10614 ClearProgramStats();
10615 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10619 flipView = appData.flipView;
10620 ClearPremoveHighlights();
10621 gotPremove = FALSE;
10622 alarmSounded = FALSE;
10624 GameEnds(EndOfFile, NULL, GE_PLAYER);
10625 if(appData.serverMovesName != NULL) {
10626 /* [HGM] prepare to make moves file for broadcasting */
10627 clock_t t = clock();
10628 if(serverMoves != NULL) fclose(serverMoves);
10629 serverMoves = fopen(appData.serverMovesName, "r");
10630 if(serverMoves != NULL) {
10631 fclose(serverMoves);
10632 /* delay 15 sec before overwriting, so all clients can see end */
10633 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10635 serverMoves = fopen(appData.serverMovesName, "w");
10639 gameMode = BeginningOfGame;
10641 if(appData.icsActive) gameInfo.variant = VariantNormal;
10642 currentMove = forwardMostMove = backwardMostMove = 0;
10643 InitPosition(redraw);
10644 for (i = 0; i < MAX_MOVES; i++) {
10645 if (commentList[i] != NULL) {
10646 free(commentList[i]);
10647 commentList[i] = NULL;
10651 timeRemaining[0][0] = whiteTimeRemaining;
10652 timeRemaining[1][0] = blackTimeRemaining;
10654 if (first.pr == NoProc) {
10655 StartChessProgram(&first);
10658 InitChessProgram(&first, startedFromSetupPosition);
10661 DisplayMessage("", "");
10662 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10663 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10670 if (!AutoPlayOneMove())
10672 if (matchMode || appData.timeDelay == 0)
10674 if (appData.timeDelay < 0)
10676 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10685 int fromX, fromY, toX, toY;
10687 if (appData.debugMode) {
10688 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10691 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10694 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10695 pvInfoList[currentMove].depth = programStats.depth;
10696 pvInfoList[currentMove].score = programStats.score;
10697 pvInfoList[currentMove].time = 0;
10698 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10701 if (currentMove >= forwardMostMove) {
10702 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10703 // gameMode = EndOfGame;
10704 // ModeHighlight();
10706 /* [AS] Clear current move marker at the end of a game */
10707 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10712 toX = moveList[currentMove][2] - AAA;
10713 toY = moveList[currentMove][3] - ONE;
10715 if (moveList[currentMove][1] == '@') {
10716 if (appData.highlightLastMove) {
10717 SetHighlights(-1, -1, toX, toY);
10720 fromX = moveList[currentMove][0] - AAA;
10721 fromY = moveList[currentMove][1] - ONE;
10723 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10725 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10727 if (appData.highlightLastMove) {
10728 SetHighlights(fromX, fromY, toX, toY);
10731 DisplayMove(currentMove);
10732 SendMoveToProgram(currentMove++, &first);
10733 DisplayBothClocks();
10734 DrawPosition(FALSE, boards[currentMove]);
10735 // [HGM] PV info: always display, routine tests if empty
10736 DisplayComment(currentMove - 1, commentList[currentMove]);
10742 LoadGameOneMove(readAhead)
10743 ChessMove readAhead;
10745 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10746 char promoChar = NULLCHAR;
10747 ChessMove moveType;
10748 char move[MSG_SIZ];
10751 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10752 gameMode != AnalyzeMode && gameMode != Training) {
10757 yyboardindex = forwardMostMove;
10758 if (readAhead != EndOfFile) {
10759 moveType = readAhead;
10761 if (gameFileFP == NULL)
10763 moveType = (ChessMove) Myylex();
10767 switch (moveType) {
10769 if (appData.debugMode)
10770 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10773 /* append the comment but don't display it */
10774 AppendComment(currentMove, p, FALSE);
10777 case WhiteCapturesEnPassant:
10778 case BlackCapturesEnPassant:
10779 case WhitePromotion:
10780 case BlackPromotion:
10781 case WhiteNonPromotion:
10782 case BlackNonPromotion:
10784 case WhiteKingSideCastle:
10785 case WhiteQueenSideCastle:
10786 case BlackKingSideCastle:
10787 case BlackQueenSideCastle:
10788 case WhiteKingSideCastleWild:
10789 case WhiteQueenSideCastleWild:
10790 case BlackKingSideCastleWild:
10791 case BlackQueenSideCastleWild:
10793 case WhiteHSideCastleFR:
10794 case WhiteASideCastleFR:
10795 case BlackHSideCastleFR:
10796 case BlackASideCastleFR:
10798 if (appData.debugMode)
10799 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10800 fromX = currentMoveString[0] - AAA;
10801 fromY = currentMoveString[1] - ONE;
10802 toX = currentMoveString[2] - AAA;
10803 toY = currentMoveString[3] - ONE;
10804 promoChar = currentMoveString[4];
10809 if (appData.debugMode)
10810 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10811 fromX = moveType == WhiteDrop ?
10812 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10813 (int) CharToPiece(ToLower(currentMoveString[0]));
10815 toX = currentMoveString[2] - AAA;
10816 toY = currentMoveString[3] - ONE;
10822 case GameUnfinished:
10823 if (appData.debugMode)
10824 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10825 p = strchr(yy_text, '{');
10826 if (p == NULL) p = strchr(yy_text, '(');
10829 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10831 q = strchr(p, *p == '{' ? '}' : ')');
10832 if (q != NULL) *q = NULLCHAR;
10835 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10836 GameEnds(moveType, p, GE_FILE);
10838 if (cmailMsgLoaded) {
10840 flipView = WhiteOnMove(currentMove);
10841 if (moveType == GameUnfinished) flipView = !flipView;
10842 if (appData.debugMode)
10843 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10848 if (appData.debugMode)
10849 fprintf(debugFP, "Parser hit end of file\n");
10850 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10856 if (WhiteOnMove(currentMove)) {
10857 GameEnds(BlackWins, "Black mates", GE_FILE);
10859 GameEnds(WhiteWins, "White mates", GE_FILE);
10863 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10869 case MoveNumberOne:
10870 if (lastLoadGameStart == GNUChessGame) {
10871 /* GNUChessGames have numbers, but they aren't move numbers */
10872 if (appData.debugMode)
10873 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10874 yy_text, (int) moveType);
10875 return LoadGameOneMove(EndOfFile); /* tail recursion */
10877 /* else fall thru */
10882 /* Reached start of next game in file */
10883 if (appData.debugMode)
10884 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10885 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10891 if (WhiteOnMove(currentMove)) {
10892 GameEnds(BlackWins, "Black mates", GE_FILE);
10894 GameEnds(WhiteWins, "White mates", GE_FILE);
10898 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10904 case PositionDiagram: /* should not happen; ignore */
10905 case ElapsedTime: /* ignore */
10906 case NAG: /* ignore */
10907 if (appData.debugMode)
10908 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10909 yy_text, (int) moveType);
10910 return LoadGameOneMove(EndOfFile); /* tail recursion */
10913 if (appData.testLegality) {
10914 if (appData.debugMode)
10915 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10916 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10917 (forwardMostMove / 2) + 1,
10918 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10919 DisplayError(move, 0);
10922 if (appData.debugMode)
10923 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10924 yy_text, currentMoveString);
10925 fromX = currentMoveString[0] - AAA;
10926 fromY = currentMoveString[1] - ONE;
10927 toX = currentMoveString[2] - AAA;
10928 toY = currentMoveString[3] - ONE;
10929 promoChar = currentMoveString[4];
10933 case AmbiguousMove:
10934 if (appData.debugMode)
10935 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10936 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10937 (forwardMostMove / 2) + 1,
10938 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10939 DisplayError(move, 0);
10944 case ImpossibleMove:
10945 if (appData.debugMode)
10946 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10947 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10948 (forwardMostMove / 2) + 1,
10949 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10950 DisplayError(move, 0);
10956 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10957 DrawPosition(FALSE, boards[currentMove]);
10958 DisplayBothClocks();
10959 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10960 DisplayComment(currentMove - 1, commentList[currentMove]);
10962 (void) StopLoadGameTimer();
10964 cmailOldMove = forwardMostMove;
10967 /* currentMoveString is set as a side-effect of yylex */
10969 thinkOutput[0] = NULLCHAR;
10970 MakeMove(fromX, fromY, toX, toY, promoChar);
10971 currentMove = forwardMostMove;
10976 /* Load the nth game from the given file */
10978 LoadGameFromFile(filename, n, title, useList)
10982 /*Boolean*/ int useList;
10987 if (strcmp(filename, "-") == 0) {
10991 f = fopen(filename, "rb");
10993 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10994 DisplayError(buf, errno);
10998 if (fseek(f, 0, 0) == -1) {
10999 /* f is not seekable; probably a pipe */
11002 if (useList && n == 0) {
11003 int error = GameListBuild(f);
11005 DisplayError(_("Cannot build game list"), error);
11006 } else if (!ListEmpty(&gameList) &&
11007 ((ListGame *) gameList.tailPred)->number > 1) {
11008 GameListPopUp(f, title);
11015 return LoadGame(f, n, title, FALSE);
11020 MakeRegisteredMove()
11022 int fromX, fromY, toX, toY;
11024 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11025 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11028 if (appData.debugMode)
11029 fprintf(debugFP, "Restoring %s for game %d\n",
11030 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11032 thinkOutput[0] = NULLCHAR;
11033 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11034 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11035 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11036 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11037 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11038 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11039 MakeMove(fromX, fromY, toX, toY, promoChar);
11040 ShowMove(fromX, fromY, toX, toY);
11042 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11049 if (WhiteOnMove(currentMove)) {
11050 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11052 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11057 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11064 if (WhiteOnMove(currentMove)) {
11065 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11067 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11072 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11083 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11085 CmailLoadGame(f, gameNumber, title, useList)
11093 if (gameNumber > nCmailGames) {
11094 DisplayError(_("No more games in this message"), 0);
11097 if (f == lastLoadGameFP) {
11098 int offset = gameNumber - lastLoadGameNumber;
11100 cmailMsg[0] = NULLCHAR;
11101 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11102 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11103 nCmailMovesRegistered--;
11105 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11106 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11107 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11110 if (! RegisterMove()) return FALSE;
11114 retVal = LoadGame(f, gameNumber, title, useList);
11116 /* Make move registered during previous look at this game, if any */
11117 MakeRegisteredMove();
11119 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11120 commentList[currentMove]
11121 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11122 DisplayComment(currentMove - 1, commentList[currentMove]);
11128 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11133 int gameNumber = lastLoadGameNumber + offset;
11134 if (lastLoadGameFP == NULL) {
11135 DisplayError(_("No game has been loaded yet"), 0);
11138 if (gameNumber <= 0) {
11139 DisplayError(_("Can't back up any further"), 0);
11142 if (cmailMsgLoaded) {
11143 return CmailLoadGame(lastLoadGameFP, gameNumber,
11144 lastLoadGameTitle, lastLoadGameUseList);
11146 return LoadGame(lastLoadGameFP, gameNumber,
11147 lastLoadGameTitle, lastLoadGameUseList);
11151 int keys[EmptySquare+1];
11154 PositionMatches(Board b1, Board b2)
11157 switch(appData.searchMode) {
11158 case 1: return CompareWithRights(b1, b2);
11160 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11161 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11165 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11166 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11167 sum += keys[b1[r][f]] - keys[b2[r][f]];
11171 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11172 sum += keys[b1[r][f]] - keys[b2[r][f]];
11184 int pieceList[256], quickBoard[256];
11185 ChessSquare pieceType[256] = { EmptySquare };
11186 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11187 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11188 int soughtTotal, turn;
11189 Boolean epOK, flipSearch;
11192 unsigned char piece, to;
11195 #define DSIZE (250000)
11197 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11198 Move *moveDatabase = initialSpace;
11199 unsigned int movePtr, dataSize = DSIZE;
11201 int MakePieceList(Board board, int *counts)
11203 int r, f, n=Q_PROMO, total=0;
11204 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11205 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11206 int sq = f + (r<<4);
11207 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11208 quickBoard[sq] = ++n;
11210 pieceType[n] = board[r][f];
11211 counts[board[r][f]]++;
11212 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11213 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11217 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11221 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11223 int sq = fromX + (fromY<<4);
11224 int piece = quickBoard[sq];
11225 quickBoard[sq] = 0;
11226 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11227 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11228 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11229 moveDatabase[movePtr++].piece = Q_WCASTL;
11230 quickBoard[sq] = piece;
11231 piece = quickBoard[from]; quickBoard[from] = 0;
11232 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11234 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11235 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11236 moveDatabase[movePtr++].piece = Q_BCASTL;
11237 quickBoard[sq] = piece;
11238 piece = quickBoard[from]; quickBoard[from] = 0;
11239 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11241 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11242 quickBoard[(fromY<<4)+toX] = 0;
11243 moveDatabase[movePtr].piece = Q_EP;
11244 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11245 moveDatabase[movePtr].to = sq;
11247 if(promoPiece != pieceType[piece]) {
11248 moveDatabase[movePtr++].piece = Q_PROMO;
11249 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11251 moveDatabase[movePtr].piece = piece;
11252 quickBoard[sq] = piece;
11256 int PackGame(Board board)
11258 Move *newSpace = NULL;
11259 moveDatabase[movePtr].piece = 0; // terminate previous game
11260 if(movePtr > dataSize) {
11261 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11262 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11263 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11266 Move *p = moveDatabase, *q = newSpace;
11267 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11268 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11269 moveDatabase = newSpace;
11270 } else { // calloc failed, we must be out of memory. Too bad...
11271 dataSize = 0; // prevent calloc events for all subsequent games
11272 return 0; // and signal this one isn't cached
11276 MakePieceList(board, counts);
11280 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11281 { // compare according to search mode
11283 switch(appData.searchMode)
11285 case 1: // exact position match
11286 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11287 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11288 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11291 case 2: // can have extra material on empty squares
11292 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11293 if(board[r][f] == EmptySquare) continue;
11294 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11297 case 3: // material with exact Pawn structure
11298 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11299 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11300 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11301 } // fall through to material comparison
11302 case 4: // exact material
11303 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11305 case 6: // material range with given imbalance
11306 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11307 // fall through to range comparison
11308 case 5: // material range
11309 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11314 int QuickScan(Board board, Move *move)
11315 { // reconstruct game,and compare all positions in it
11316 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11318 int piece = move->piece;
11319 int to = move->to, from = pieceList[piece];
11320 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11321 if(!piece) return -1;
11322 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11323 piece = (++move)->piece;
11324 from = pieceList[piece];
11325 counts[pieceType[piece]]--;
11326 pieceType[piece] = (ChessSquare) move->to;
11327 counts[move->to]++;
11328 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11329 counts[pieceType[quickBoard[to]]]--;
11330 quickBoard[to] = 0; total--;
11333 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11334 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11335 from = pieceList[piece]; // so this must be King
11336 quickBoard[from] = 0;
11337 quickBoard[to] = piece;
11338 pieceList[piece] = to;
11343 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11344 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11345 quickBoard[from] = 0;
11346 quickBoard[to] = piece;
11347 pieceList[piece] = to;
11349 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11350 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11351 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11352 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11354 static int lastCounts[EmptySquare+1];
11356 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11357 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11358 } else stretch = 0;
11359 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11367 flipSearch = FALSE;
11368 CopyBoard(soughtBoard, boards[currentMove]);
11369 soughtTotal = MakePieceList(soughtBoard, maxSought);
11370 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11371 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11372 CopyBoard(reverseBoard, boards[currentMove]);
11373 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11374 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11375 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11376 reverseBoard[r][f] = piece;
11378 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11379 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11380 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11381 || (boards[currentMove][CASTLING][2] == NoRights ||
11382 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11383 && (boards[currentMove][CASTLING][5] == NoRights ||
11384 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11387 CopyBoard(flipBoard, soughtBoard);
11388 CopyBoard(rotateBoard, reverseBoard);
11389 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11390 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11391 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11394 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11395 if(appData.searchMode >= 5) {
11396 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11397 MakePieceList(soughtBoard, minSought);
11398 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11400 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11401 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11404 GameInfo dummyInfo;
11406 int GameContainsPosition(FILE *f, ListGame *lg)
11408 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11409 int fromX, fromY, toX, toY;
11411 static int initDone=FALSE;
11413 // weed out games based on numerical tag comparison
11414 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11415 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11416 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11417 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11419 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11422 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11423 else CopyBoard(boards[scratch], initialPosition); // default start position
11426 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11427 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11430 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11431 fseek(f, lg->offset, 0);
11434 yyboardindex = scratch;
11435 quickFlag = plyNr+1;
11440 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11446 if(plyNr) return -1; // after we have seen moves, this is for new game
11449 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11450 case ImpossibleMove:
11451 case WhiteWins: // game ends here with these four
11454 case GameUnfinished:
11458 if(appData.testLegality) return -1;
11459 case WhiteCapturesEnPassant:
11460 case BlackCapturesEnPassant:
11461 case WhitePromotion:
11462 case BlackPromotion:
11463 case WhiteNonPromotion:
11464 case BlackNonPromotion:
11466 case WhiteKingSideCastle:
11467 case WhiteQueenSideCastle:
11468 case BlackKingSideCastle:
11469 case BlackQueenSideCastle:
11470 case WhiteKingSideCastleWild:
11471 case WhiteQueenSideCastleWild:
11472 case BlackKingSideCastleWild:
11473 case BlackQueenSideCastleWild:
11474 case WhiteHSideCastleFR:
11475 case WhiteASideCastleFR:
11476 case BlackHSideCastleFR:
11477 case BlackASideCastleFR:
11478 fromX = currentMoveString[0] - AAA;
11479 fromY = currentMoveString[1] - ONE;
11480 toX = currentMoveString[2] - AAA;
11481 toY = currentMoveString[3] - ONE;
11482 promoChar = currentMoveString[4];
11486 fromX = next == WhiteDrop ?
11487 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11488 (int) CharToPiece(ToLower(currentMoveString[0]));
11490 toX = currentMoveString[2] - AAA;
11491 toY = currentMoveString[3] - ONE;
11495 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11497 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11498 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11499 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11500 if(appData.findMirror) {
11501 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11502 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11507 /* Load the nth game from open file f */
11509 LoadGame(f, gameNumber, title, useList)
11517 int gn = gameNumber;
11518 ListGame *lg = NULL;
11519 int numPGNTags = 0;
11521 GameMode oldGameMode;
11522 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11524 if (appData.debugMode)
11525 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11527 if (gameMode == Training )
11528 SetTrainingModeOff();
11530 oldGameMode = gameMode;
11531 if (gameMode != BeginningOfGame) {
11532 Reset(FALSE, TRUE);
11536 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11537 fclose(lastLoadGameFP);
11541 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11544 fseek(f, lg->offset, 0);
11545 GameListHighlight(gameNumber);
11546 pos = lg->position;
11550 DisplayError(_("Game number out of range"), 0);
11555 if (fseek(f, 0, 0) == -1) {
11556 if (f == lastLoadGameFP ?
11557 gameNumber == lastLoadGameNumber + 1 :
11561 DisplayError(_("Can't seek on game file"), 0);
11566 lastLoadGameFP = f;
11567 lastLoadGameNumber = gameNumber;
11568 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11569 lastLoadGameUseList = useList;
11573 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11574 snprintf(buf, sizeof(buf), _("%s vs. %s"), lg->gameInfo.white,
11575 lg->gameInfo.black);
11577 } else if (*title != NULLCHAR) {
11578 if (gameNumber > 1) {
11579 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11582 DisplayTitle(title);
11586 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11587 gameMode = PlayFromGameFile;
11591 currentMove = forwardMostMove = backwardMostMove = 0;
11592 CopyBoard(boards[0], initialPosition);
11596 * Skip the first gn-1 games in the file.
11597 * Also skip over anything that precedes an identifiable
11598 * start of game marker, to avoid being confused by
11599 * garbage at the start of the file. Currently
11600 * recognized start of game markers are the move number "1",
11601 * the pattern "gnuchess .* game", the pattern
11602 * "^[#;%] [^ ]* game file", and a PGN tag block.
11603 * A game that starts with one of the latter two patterns
11604 * will also have a move number 1, possibly
11605 * following a position diagram.
11606 * 5-4-02: Let's try being more lenient and allowing a game to
11607 * start with an unnumbered move. Does that break anything?
11609 cm = lastLoadGameStart = EndOfFile;
11611 yyboardindex = forwardMostMove;
11612 cm = (ChessMove) Myylex();
11615 if (cmailMsgLoaded) {
11616 nCmailGames = CMAIL_MAX_GAMES - gn;
11619 DisplayError(_("Game not found in file"), 0);
11626 lastLoadGameStart = cm;
11629 case MoveNumberOne:
11630 switch (lastLoadGameStart) {
11635 case MoveNumberOne:
11637 gn--; /* count this game */
11638 lastLoadGameStart = cm;
11647 switch (lastLoadGameStart) {
11650 case MoveNumberOne:
11652 gn--; /* count this game */
11653 lastLoadGameStart = cm;
11656 lastLoadGameStart = cm; /* game counted already */
11664 yyboardindex = forwardMostMove;
11665 cm = (ChessMove) Myylex();
11666 } while (cm == PGNTag || cm == Comment);
11673 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11674 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11675 != CMAIL_OLD_RESULT) {
11677 cmailResult[ CMAIL_MAX_GAMES
11678 - gn - 1] = CMAIL_OLD_RESULT;
11684 /* Only a NormalMove can be at the start of a game
11685 * without a position diagram. */
11686 if (lastLoadGameStart == EndOfFile ) {
11688 lastLoadGameStart = MoveNumberOne;
11697 if (appData.debugMode)
11698 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11700 if (cm == XBoardGame) {
11701 /* Skip any header junk before position diagram and/or move 1 */
11703 yyboardindex = forwardMostMove;
11704 cm = (ChessMove) Myylex();
11706 if (cm == EndOfFile ||
11707 cm == GNUChessGame || cm == XBoardGame) {
11708 /* Empty game; pretend end-of-file and handle later */
11713 if (cm == MoveNumberOne || cm == PositionDiagram ||
11714 cm == PGNTag || cm == Comment)
11717 } else if (cm == GNUChessGame) {
11718 if (gameInfo.event != NULL) {
11719 free(gameInfo.event);
11721 gameInfo.event = StrSave(yy_text);
11724 startedFromSetupPosition = FALSE;
11725 while (cm == PGNTag) {
11726 if (appData.debugMode)
11727 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11728 err = ParsePGNTag(yy_text, &gameInfo);
11729 if (!err) numPGNTags++;
11731 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11732 if(gameInfo.variant != oldVariant) {
11733 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11734 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11735 InitPosition(TRUE);
11736 oldVariant = gameInfo.variant;
11737 if (appData.debugMode)
11738 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11742 if (gameInfo.fen != NULL) {
11743 Board initial_position;
11744 startedFromSetupPosition = TRUE;
11745 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11747 DisplayError(_("Bad FEN position in file"), 0);
11750 CopyBoard(boards[0], initial_position);
11751 if (blackPlaysFirst) {
11752 currentMove = forwardMostMove = backwardMostMove = 1;
11753 CopyBoard(boards[1], initial_position);
11754 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11755 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11756 timeRemaining[0][1] = whiteTimeRemaining;
11757 timeRemaining[1][1] = blackTimeRemaining;
11758 if (commentList[0] != NULL) {
11759 commentList[1] = commentList[0];
11760 commentList[0] = NULL;
11763 currentMove = forwardMostMove = backwardMostMove = 0;
11765 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11767 initialRulePlies = FENrulePlies;
11768 for( i=0; i< nrCastlingRights; i++ )
11769 initialRights[i] = initial_position[CASTLING][i];
11771 yyboardindex = forwardMostMove;
11772 free(gameInfo.fen);
11773 gameInfo.fen = NULL;
11776 yyboardindex = forwardMostMove;
11777 cm = (ChessMove) Myylex();
11779 /* Handle comments interspersed among the tags */
11780 while (cm == Comment) {
11782 if (appData.debugMode)
11783 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11785 AppendComment(currentMove, p, FALSE);
11786 yyboardindex = forwardMostMove;
11787 cm = (ChessMove) Myylex();
11791 /* don't rely on existence of Event tag since if game was
11792 * pasted from clipboard the Event tag may not exist
11794 if (numPGNTags > 0){
11796 if (gameInfo.variant == VariantNormal) {
11797 VariantClass v = StringToVariant(gameInfo.event);
11798 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11799 if(v < VariantShogi) gameInfo.variant = v;
11802 if( appData.autoDisplayTags ) {
11803 tags = PGNTags(&gameInfo);
11804 TagsPopUp(tags, CmailMsg());
11809 /* Make something up, but don't display it now */
11814 if (cm == PositionDiagram) {
11817 Board initial_position;
11819 if (appData.debugMode)
11820 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11822 if (!startedFromSetupPosition) {
11824 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11825 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11836 initial_position[i][j++] = CharToPiece(*p);
11839 while (*p == ' ' || *p == '\t' ||
11840 *p == '\n' || *p == '\r') p++;
11842 if (strncmp(p, "black", strlen("black"))==0)
11843 blackPlaysFirst = TRUE;
11845 blackPlaysFirst = FALSE;
11846 startedFromSetupPosition = TRUE;
11848 CopyBoard(boards[0], initial_position);
11849 if (blackPlaysFirst) {
11850 currentMove = forwardMostMove = backwardMostMove = 1;
11851 CopyBoard(boards[1], initial_position);
11852 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11853 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11854 timeRemaining[0][1] = whiteTimeRemaining;
11855 timeRemaining[1][1] = blackTimeRemaining;
11856 if (commentList[0] != NULL) {
11857 commentList[1] = commentList[0];
11858 commentList[0] = NULL;
11861 currentMove = forwardMostMove = backwardMostMove = 0;
11864 yyboardindex = forwardMostMove;
11865 cm = (ChessMove) Myylex();
11868 if (first.pr == NoProc) {
11869 StartChessProgram(&first);
11871 InitChessProgram(&first, FALSE);
11872 SendToProgram("force\n", &first);
11873 if (startedFromSetupPosition) {
11874 SendBoard(&first, forwardMostMove);
11875 if (appData.debugMode) {
11876 fprintf(debugFP, "Load Game\n");
11878 DisplayBothClocks();
11881 /* [HGM] server: flag to write setup moves in broadcast file as one */
11882 loadFlag = appData.suppressLoadMoves;
11884 while (cm == Comment) {
11886 if (appData.debugMode)
11887 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11889 AppendComment(currentMove, p, FALSE);
11890 yyboardindex = forwardMostMove;
11891 cm = (ChessMove) Myylex();
11894 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11895 cm == WhiteWins || cm == BlackWins ||
11896 cm == GameIsDrawn || cm == GameUnfinished) {
11897 DisplayMessage("", _("No moves in game"));
11898 if (cmailMsgLoaded) {
11899 if (appData.debugMode)
11900 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11904 DrawPosition(FALSE, boards[currentMove]);
11905 DisplayBothClocks();
11906 gameMode = EditGame;
11913 // [HGM] PV info: routine tests if comment empty
11914 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11915 DisplayComment(currentMove - 1, commentList[currentMove]);
11917 if (!matchMode && appData.timeDelay != 0)
11918 DrawPosition(FALSE, boards[currentMove]);
11920 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11921 programStats.ok_to_send = 1;
11924 /* if the first token after the PGN tags is a move
11925 * and not move number 1, retrieve it from the parser
11927 if (cm != MoveNumberOne)
11928 LoadGameOneMove(cm);
11930 /* load the remaining moves from the file */
11931 while (LoadGameOneMove(EndOfFile)) {
11932 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11933 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11936 /* rewind to the start of the game */
11937 currentMove = backwardMostMove;
11939 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11941 if (oldGameMode == AnalyzeFile ||
11942 oldGameMode == AnalyzeMode) {
11943 AnalyzeFileEvent();
11946 if (!matchMode && pos >= 0) {
11947 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11949 if (matchMode || appData.timeDelay == 0) {
11951 } else if (appData.timeDelay > 0) {
11952 AutoPlayGameLoop();
11955 if (appData.debugMode)
11956 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11958 loadFlag = 0; /* [HGM] true game starts */
11962 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11964 ReloadPosition(offset)
11967 int positionNumber = lastLoadPositionNumber + offset;
11968 if (lastLoadPositionFP == NULL) {
11969 DisplayError(_("No position has been loaded yet"), 0);
11972 if (positionNumber <= 0) {
11973 DisplayError(_("Can't back up any further"), 0);
11976 return LoadPosition(lastLoadPositionFP, positionNumber,
11977 lastLoadPositionTitle);
11980 /* Load the nth position from the given file */
11982 LoadPositionFromFile(filename, n, title)
11990 if (strcmp(filename, "-") == 0) {
11991 return LoadPosition(stdin, n, "stdin");
11993 f = fopen(filename, "rb");
11995 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11996 DisplayError(buf, errno);
11999 return LoadPosition(f, n, title);
12004 /* Load the nth position from the given open file, and close it */
12006 LoadPosition(f, positionNumber, title)
12008 int positionNumber;
12011 char *p, line[MSG_SIZ];
12012 Board initial_position;
12013 int i, j, fenMode, pn;
12015 if (gameMode == Training )
12016 SetTrainingModeOff();
12018 if (gameMode != BeginningOfGame) {
12019 Reset(FALSE, TRUE);
12021 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12022 fclose(lastLoadPositionFP);
12024 if (positionNumber == 0) positionNumber = 1;
12025 lastLoadPositionFP = f;
12026 lastLoadPositionNumber = positionNumber;
12027 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12028 if (first.pr == NoProc && !appData.noChessProgram) {
12029 StartChessProgram(&first);
12030 InitChessProgram(&first, FALSE);
12032 pn = positionNumber;
12033 if (positionNumber < 0) {
12034 /* Negative position number means to seek to that byte offset */
12035 if (fseek(f, -positionNumber, 0) == -1) {
12036 DisplayError(_("Can't seek on position file"), 0);
12041 if (fseek(f, 0, 0) == -1) {
12042 if (f == lastLoadPositionFP ?
12043 positionNumber == lastLoadPositionNumber + 1 :
12044 positionNumber == 1) {
12047 DisplayError(_("Can't seek on position file"), 0);
12052 /* See if this file is FEN or old-style xboard */
12053 if (fgets(line, MSG_SIZ, f) == NULL) {
12054 DisplayError(_("Position not found in file"), 0);
12057 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12058 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12061 if (fenMode || line[0] == '#') pn--;
12063 /* skip positions before number pn */
12064 if (fgets(line, MSG_SIZ, f) == NULL) {
12066 DisplayError(_("Position not found in file"), 0);
12069 if (fenMode || line[0] == '#') pn--;
12074 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12075 DisplayError(_("Bad FEN position in file"), 0);
12079 (void) fgets(line, MSG_SIZ, f);
12080 (void) fgets(line, MSG_SIZ, f);
12082 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12083 (void) fgets(line, MSG_SIZ, f);
12084 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12087 initial_position[i][j++] = CharToPiece(*p);
12091 blackPlaysFirst = FALSE;
12093 (void) fgets(line, MSG_SIZ, f);
12094 if (strncmp(line, "black", strlen("black"))==0)
12095 blackPlaysFirst = TRUE;
12098 startedFromSetupPosition = TRUE;
12100 CopyBoard(boards[0], initial_position);
12101 if (blackPlaysFirst) {
12102 currentMove = forwardMostMove = backwardMostMove = 1;
12103 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12104 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12105 CopyBoard(boards[1], initial_position);
12106 DisplayMessage("", _("Black to play"));
12108 currentMove = forwardMostMove = backwardMostMove = 0;
12109 DisplayMessage("", _("White to play"));
12111 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12112 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12113 SendToProgram("force\n", &first);
12114 SendBoard(&first, forwardMostMove);
12116 if (appData.debugMode) {
12118 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12119 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12120 fprintf(debugFP, "Load Position\n");
12123 if (positionNumber > 1) {
12124 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12125 DisplayTitle(line);
12127 DisplayTitle(title);
12129 gameMode = EditGame;
12132 timeRemaining[0][1] = whiteTimeRemaining;
12133 timeRemaining[1][1] = blackTimeRemaining;
12134 DrawPosition(FALSE, boards[currentMove]);
12141 CopyPlayerNameIntoFileName(dest, src)
12144 while (*src != NULLCHAR && *src != ',') {
12149 *(*dest)++ = *src++;
12154 char *DefaultFileName(ext)
12157 static char def[MSG_SIZ];
12160 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12162 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12164 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12166 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12173 /* Save the current game to the given file */
12175 SaveGameToFile(filename, append)
12181 int result, i, t,tot=0;
12183 if (strcmp(filename, "-") == 0) {
12184 return SaveGame(stdout, 0, NULL);
12186 for(i=0; i<10; i++) { // upto 10 tries
12187 f = fopen(filename, append ? "a" : "w");
12188 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12189 if(f || errno != 13) break;
12190 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12194 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12195 DisplayError(buf, errno);
12198 safeStrCpy(buf, lastMsg, MSG_SIZ);
12199 DisplayMessage(_("Waiting for access to save file"), "");
12200 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12201 DisplayMessage(_("Saving game"), "");
12202 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12203 result = SaveGame(f, 0, NULL);
12204 DisplayMessage(buf, "");
12214 static char buf[MSG_SIZ];
12217 p = strchr(str, ' ');
12218 if (p == NULL) return str;
12219 strncpy(buf, str, p - str);
12220 buf[p - str] = NULLCHAR;
12224 #define PGN_MAX_LINE 75
12226 #define PGN_SIDE_WHITE 0
12227 #define PGN_SIDE_BLACK 1
12230 static int FindFirstMoveOutOfBook( int side )
12234 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12235 int index = backwardMostMove;
12236 int has_book_hit = 0;
12238 if( (index % 2) != side ) {
12242 while( index < forwardMostMove ) {
12243 /* Check to see if engine is in book */
12244 int depth = pvInfoList[index].depth;
12245 int score = pvInfoList[index].score;
12251 else if( score == 0 && depth == 63 ) {
12252 in_book = 1; /* Zappa */
12254 else if( score == 2 && depth == 99 ) {
12255 in_book = 1; /* Abrok */
12258 has_book_hit += in_book;
12274 void GetOutOfBookInfo( char * buf )
12278 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12280 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12281 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12285 if( oob[0] >= 0 || oob[1] >= 0 ) {
12286 for( i=0; i<2; i++ ) {
12290 if( i > 0 && oob[0] >= 0 ) {
12291 strcat( buf, " " );
12294 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12295 sprintf( buf+strlen(buf), "%s%.2f",
12296 pvInfoList[idx].score >= 0 ? "+" : "",
12297 pvInfoList[idx].score / 100.0 );
12303 /* Save game in PGN style and close the file */
12308 int i, offset, linelen, newblock;
12312 int movelen, numlen, blank;
12313 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12315 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12317 tm = time((time_t *) NULL);
12319 PrintPGNTags(f, &gameInfo);
12321 if (backwardMostMove > 0 || startedFromSetupPosition) {
12322 char *fen = PositionToFEN(backwardMostMove, NULL);
12323 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12324 fprintf(f, "\n{--------------\n");
12325 PrintPosition(f, backwardMostMove);
12326 fprintf(f, "--------------}\n");
12330 /* [AS] Out of book annotation */
12331 if( appData.saveOutOfBookInfo ) {
12334 GetOutOfBookInfo( buf );
12336 if( buf[0] != '\0' ) {
12337 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12344 i = backwardMostMove;
12348 while (i < forwardMostMove) {
12349 /* Print comments preceding this move */
12350 if (commentList[i] != NULL) {
12351 if (linelen > 0) fprintf(f, "\n");
12352 fprintf(f, "%s", commentList[i]);
12357 /* Format move number */
12359 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12362 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12364 numtext[0] = NULLCHAR;
12366 numlen = strlen(numtext);
12369 /* Print move number */
12370 blank = linelen > 0 && numlen > 0;
12371 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12380 fprintf(f, "%s", numtext);
12384 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12385 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12388 blank = linelen > 0 && movelen > 0;
12389 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12398 fprintf(f, "%s", move_buffer);
12399 linelen += movelen;
12401 /* [AS] Add PV info if present */
12402 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12403 /* [HGM] add time */
12404 char buf[MSG_SIZ]; int seconds;
12406 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12412 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12415 seconds = (seconds + 4)/10; // round to full seconds
12417 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12419 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12422 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12423 pvInfoList[i].score >= 0 ? "+" : "",
12424 pvInfoList[i].score / 100.0,
12425 pvInfoList[i].depth,
12428 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12430 /* Print score/depth */
12431 blank = linelen > 0 && movelen > 0;
12432 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12441 fprintf(f, "%s", move_buffer);
12442 linelen += movelen;
12448 /* Start a new line */
12449 if (linelen > 0) fprintf(f, "\n");
12451 /* Print comments after last move */
12452 if (commentList[i] != NULL) {
12453 fprintf(f, "%s\n", commentList[i]);
12457 if (gameInfo.resultDetails != NULL &&
12458 gameInfo.resultDetails[0] != NULLCHAR) {
12459 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12460 PGNResult(gameInfo.result));
12462 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12466 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12470 /* Save game in old style and close the file */
12472 SaveGameOldStyle(f)
12478 tm = time((time_t *) NULL);
12480 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12483 if (backwardMostMove > 0 || startedFromSetupPosition) {
12484 fprintf(f, "\n[--------------\n");
12485 PrintPosition(f, backwardMostMove);
12486 fprintf(f, "--------------]\n");
12491 i = backwardMostMove;
12492 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12494 while (i < forwardMostMove) {
12495 if (commentList[i] != NULL) {
12496 fprintf(f, "[%s]\n", commentList[i]);
12499 if ((i % 2) == 1) {
12500 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12503 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12505 if (commentList[i] != NULL) {
12509 if (i >= forwardMostMove) {
12513 fprintf(f, "%s\n", parseList[i]);
12518 if (commentList[i] != NULL) {
12519 fprintf(f, "[%s]\n", commentList[i]);
12522 /* This isn't really the old style, but it's close enough */
12523 if (gameInfo.resultDetails != NULL &&
12524 gameInfo.resultDetails[0] != NULLCHAR) {
12525 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12526 gameInfo.resultDetails);
12528 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12535 /* Save the current game to open file f and close the file */
12537 SaveGame(f, dummy, dummy2)
12542 if (gameMode == EditPosition) EditPositionDone(TRUE);
12543 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12544 if (appData.oldSaveStyle)
12545 return SaveGameOldStyle(f);
12547 return SaveGamePGN(f);
12550 /* Save the current position to the given file */
12552 SavePositionToFile(filename)
12558 if (strcmp(filename, "-") == 0) {
12559 return SavePosition(stdout, 0, NULL);
12561 f = fopen(filename, "a");
12563 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12564 DisplayError(buf, errno);
12567 safeStrCpy(buf, lastMsg, MSG_SIZ);
12568 DisplayMessage(_("Waiting for access to save file"), "");
12569 flock(fileno(f), LOCK_EX); // [HGM] lock
12570 DisplayMessage(_("Saving position"), "");
12571 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12572 SavePosition(f, 0, NULL);
12573 DisplayMessage(buf, "");
12579 /* Save the current position to the given open file and close the file */
12581 SavePosition(f, dummy, dummy2)
12589 if (gameMode == EditPosition) EditPositionDone(TRUE);
12590 if (appData.oldSaveStyle) {
12591 tm = time((time_t *) NULL);
12593 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12595 fprintf(f, "[--------------\n");
12596 PrintPosition(f, currentMove);
12597 fprintf(f, "--------------]\n");
12599 fen = PositionToFEN(currentMove, NULL);
12600 fprintf(f, "%s\n", fen);
12608 ReloadCmailMsgEvent(unregister)
12612 static char *inFilename = NULL;
12613 static char *outFilename;
12615 struct stat inbuf, outbuf;
12618 /* Any registered moves are unregistered if unregister is set, */
12619 /* i.e. invoked by the signal handler */
12621 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12622 cmailMoveRegistered[i] = FALSE;
12623 if (cmailCommentList[i] != NULL) {
12624 free(cmailCommentList[i]);
12625 cmailCommentList[i] = NULL;
12628 nCmailMovesRegistered = 0;
12631 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12632 cmailResult[i] = CMAIL_NOT_RESULT;
12636 if (inFilename == NULL) {
12637 /* Because the filenames are static they only get malloced once */
12638 /* and they never get freed */
12639 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12640 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12642 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12643 sprintf(outFilename, "%s.out", appData.cmailGameName);
12646 status = stat(outFilename, &outbuf);
12648 cmailMailedMove = FALSE;
12650 status = stat(inFilename, &inbuf);
12651 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12654 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12655 counts the games, notes how each one terminated, etc.
12657 It would be nice to remove this kludge and instead gather all
12658 the information while building the game list. (And to keep it
12659 in the game list nodes instead of having a bunch of fixed-size
12660 parallel arrays.) Note this will require getting each game's
12661 termination from the PGN tags, as the game list builder does
12662 not process the game moves. --mann
12664 cmailMsgLoaded = TRUE;
12665 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12667 /* Load first game in the file or popup game menu */
12668 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12670 #endif /* !WIN32 */
12678 char string[MSG_SIZ];
12680 if ( cmailMailedMove
12681 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12682 return TRUE; /* Allow free viewing */
12685 /* Unregister move to ensure that we don't leave RegisterMove */
12686 /* with the move registered when the conditions for registering no */
12688 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12689 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12690 nCmailMovesRegistered --;
12692 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12694 free(cmailCommentList[lastLoadGameNumber - 1]);
12695 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12699 if (cmailOldMove == -1) {
12700 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12704 if (currentMove > cmailOldMove + 1) {
12705 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12709 if (currentMove < cmailOldMove) {
12710 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12714 if (forwardMostMove > currentMove) {
12715 /* Silently truncate extra moves */
12719 if ( (currentMove == cmailOldMove + 1)
12720 || ( (currentMove == cmailOldMove)
12721 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12722 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12723 if (gameInfo.result != GameUnfinished) {
12724 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12727 if (commentList[currentMove] != NULL) {
12728 cmailCommentList[lastLoadGameNumber - 1]
12729 = StrSave(commentList[currentMove]);
12731 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12733 if (appData.debugMode)
12734 fprintf(debugFP, "Saving %s for game %d\n",
12735 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12737 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12739 f = fopen(string, "w");
12740 if (appData.oldSaveStyle) {
12741 SaveGameOldStyle(f); /* also closes the file */
12743 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12744 f = fopen(string, "w");
12745 SavePosition(f, 0, NULL); /* also closes the file */
12747 fprintf(f, "{--------------\n");
12748 PrintPosition(f, currentMove);
12749 fprintf(f, "--------------}\n\n");
12751 SaveGame(f, 0, NULL); /* also closes the file*/
12754 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12755 nCmailMovesRegistered ++;
12756 } else if (nCmailGames == 1) {
12757 DisplayError(_("You have not made a move yet"), 0);
12768 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12769 FILE *commandOutput;
12770 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12771 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12777 if (! cmailMsgLoaded) {
12778 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12782 if (nCmailGames == nCmailResults) {
12783 DisplayError(_("No unfinished games"), 0);
12787 #if CMAIL_PROHIBIT_REMAIL
12788 if (cmailMailedMove) {
12789 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);
12790 DisplayError(msg, 0);
12795 if (! (cmailMailedMove || RegisterMove())) return;
12797 if ( cmailMailedMove
12798 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12799 snprintf(string, MSG_SIZ, partCommandString,
12800 appData.debugMode ? " -v" : "", appData.cmailGameName);
12801 commandOutput = popen(string, "r");
12803 if (commandOutput == NULL) {
12804 DisplayError(_("Failed to invoke cmail"), 0);
12806 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12807 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12809 if (nBuffers > 1) {
12810 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12811 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12812 nBytes = MSG_SIZ - 1;
12814 (void) memcpy(msg, buffer, nBytes);
12816 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12818 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12819 cmailMailedMove = TRUE; /* Prevent >1 moves */
12822 for (i = 0; i < nCmailGames; i ++) {
12823 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12828 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12830 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12832 appData.cmailGameName,
12834 LoadGameFromFile(buffer, 1, buffer, FALSE);
12835 cmailMsgLoaded = FALSE;
12839 DisplayInformation(msg);
12840 pclose(commandOutput);
12843 if ((*cmailMsg) != '\0') {
12844 DisplayInformation(cmailMsg);
12849 #endif /* !WIN32 */
12858 int prependComma = 0;
12860 char string[MSG_SIZ]; /* Space for game-list */
12863 if (!cmailMsgLoaded) return "";
12865 if (cmailMailedMove) {
12866 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12868 /* Create a list of games left */
12869 snprintf(string, MSG_SIZ, "[");
12870 for (i = 0; i < nCmailGames; i ++) {
12871 if (! ( cmailMoveRegistered[i]
12872 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12873 if (prependComma) {
12874 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12876 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12880 strcat(string, number);
12883 strcat(string, "]");
12885 if (nCmailMovesRegistered + nCmailResults == 0) {
12886 switch (nCmailGames) {
12888 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12892 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12896 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12901 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12903 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12908 if (nCmailResults == nCmailGames) {
12909 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12911 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12916 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12928 if (gameMode == Training)
12929 SetTrainingModeOff();
12932 cmailMsgLoaded = FALSE;
12933 if (appData.icsActive) {
12934 SendToICS(ics_prefix);
12935 SendToICS("refresh\n");
12945 /* Give up on clean exit */
12949 /* Keep trying for clean exit */
12953 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12955 if (telnetISR != NULL) {
12956 RemoveInputSource(telnetISR);
12958 if (icsPR != NoProc) {
12959 DestroyChildProcess(icsPR, TRUE);
12962 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12963 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12965 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12966 /* make sure this other one finishes before killing it! */
12967 if(endingGame) { int count = 0;
12968 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12969 while(endingGame && count++ < 10) DoSleep(1);
12970 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12973 /* Kill off chess programs */
12974 if (first.pr != NoProc) {
12977 DoSleep( appData.delayBeforeQuit );
12978 SendToProgram("quit\n", &first);
12979 DoSleep( appData.delayAfterQuit );
12980 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12982 if (second.pr != NoProc) {
12983 DoSleep( appData.delayBeforeQuit );
12984 SendToProgram("quit\n", &second);
12985 DoSleep( appData.delayAfterQuit );
12986 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12988 if (first.isr != NULL) {
12989 RemoveInputSource(first.isr);
12991 if (second.isr != NULL) {
12992 RemoveInputSource(second.isr);
12995 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12996 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12998 ShutDownFrontEnd();
13005 if (appData.debugMode)
13006 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13010 if (gameMode == MachinePlaysWhite ||
13011 gameMode == MachinePlaysBlack) {
13014 DisplayBothClocks();
13016 if (gameMode == PlayFromGameFile) {
13017 if (appData.timeDelay >= 0)
13018 AutoPlayGameLoop();
13019 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13020 Reset(FALSE, TRUE);
13021 SendToICS(ics_prefix);
13022 SendToICS("refresh\n");
13023 } else if (currentMove < forwardMostMove) {
13024 ForwardInner(forwardMostMove);
13026 pauseExamInvalid = FALSE;
13028 switch (gameMode) {
13032 pauseExamForwardMostMove = forwardMostMove;
13033 pauseExamInvalid = FALSE;
13036 case IcsPlayingWhite:
13037 case IcsPlayingBlack:
13041 case PlayFromGameFile:
13042 (void) StopLoadGameTimer();
13046 case BeginningOfGame:
13047 if (appData.icsActive) return;
13048 /* else fall through */
13049 case MachinePlaysWhite:
13050 case MachinePlaysBlack:
13051 case TwoMachinesPlay:
13052 if (forwardMostMove == 0)
13053 return; /* don't pause if no one has moved */
13054 if ((gameMode == MachinePlaysWhite &&
13055 !WhiteOnMove(forwardMostMove)) ||
13056 (gameMode == MachinePlaysBlack &&
13057 WhiteOnMove(forwardMostMove))) {
13070 char title[MSG_SIZ];
13072 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13073 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13075 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13076 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13077 parseList[currentMove - 1]);
13080 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13087 char *tags = PGNTags(&gameInfo);
13089 EditTagsPopUp(tags, NULL);
13096 if (appData.noChessProgram || gameMode == AnalyzeMode)
13099 if (gameMode != AnalyzeFile) {
13100 if (!appData.icsEngineAnalyze) {
13102 if (gameMode != EditGame) return;
13104 ResurrectChessProgram();
13105 SendToProgram("analyze\n", &first);
13106 first.analyzing = TRUE;
13107 /*first.maybeThinking = TRUE;*/
13108 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13109 EngineOutputPopUp();
13111 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13116 StartAnalysisClock();
13117 GetTimeMark(&lastNodeCountTime);
13124 if (appData.noChessProgram || gameMode == AnalyzeFile)
13127 if (gameMode != AnalyzeMode) {
13129 if (gameMode != EditGame) return;
13130 ResurrectChessProgram();
13131 SendToProgram("analyze\n", &first);
13132 first.analyzing = TRUE;
13133 /*first.maybeThinking = TRUE;*/
13134 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13135 EngineOutputPopUp();
13137 gameMode = AnalyzeFile;
13142 StartAnalysisClock();
13143 GetTimeMark(&lastNodeCountTime);
13145 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13149 MachineWhiteEvent()
13152 char *bookHit = NULL;
13154 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13158 if (gameMode == PlayFromGameFile ||
13159 gameMode == TwoMachinesPlay ||
13160 gameMode == Training ||
13161 gameMode == AnalyzeMode ||
13162 gameMode == EndOfGame)
13165 if (gameMode == EditPosition)
13166 EditPositionDone(TRUE);
13168 if (!WhiteOnMove(currentMove)) {
13169 DisplayError(_("It is not White's turn"), 0);
13173 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13176 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13177 gameMode == AnalyzeFile)
13180 ResurrectChessProgram(); /* in case it isn't running */
13181 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13182 gameMode = MachinePlaysWhite;
13185 gameMode = MachinePlaysWhite;
13189 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13191 if (first.sendName) {
13192 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13193 SendToProgram(buf, &first);
13195 if (first.sendTime) {
13196 if (first.useColors) {
13197 SendToProgram("black\n", &first); /*gnu kludge*/
13199 SendTimeRemaining(&first, TRUE);
13201 if (first.useColors) {
13202 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13204 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13205 SetMachineThinkingEnables();
13206 first.maybeThinking = TRUE;
13210 if (appData.autoFlipView && !flipView) {
13211 flipView = !flipView;
13212 DrawPosition(FALSE, NULL);
13213 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13216 if(bookHit) { // [HGM] book: simulate book reply
13217 static char bookMove[MSG_SIZ]; // a bit generous?
13219 programStats.nodes = programStats.depth = programStats.time =
13220 programStats.score = programStats.got_only_move = 0;
13221 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13223 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13224 strcat(bookMove, bookHit);
13225 HandleMachineMove(bookMove, &first);
13230 MachineBlackEvent()
13233 char *bookHit = NULL;
13235 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13239 if (gameMode == PlayFromGameFile ||
13240 gameMode == TwoMachinesPlay ||
13241 gameMode == Training ||
13242 gameMode == AnalyzeMode ||
13243 gameMode == EndOfGame)
13246 if (gameMode == EditPosition)
13247 EditPositionDone(TRUE);
13249 if (WhiteOnMove(currentMove)) {
13250 DisplayError(_("It is not Black's turn"), 0);
13254 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13257 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13258 gameMode == AnalyzeFile)
13261 ResurrectChessProgram(); /* in case it isn't running */
13262 gameMode = MachinePlaysBlack;
13266 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13268 if (first.sendName) {
13269 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13270 SendToProgram(buf, &first);
13272 if (first.sendTime) {
13273 if (first.useColors) {
13274 SendToProgram("white\n", &first); /*gnu kludge*/
13276 SendTimeRemaining(&first, FALSE);
13278 if (first.useColors) {
13279 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13281 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13282 SetMachineThinkingEnables();
13283 first.maybeThinking = TRUE;
13286 if (appData.autoFlipView && flipView) {
13287 flipView = !flipView;
13288 DrawPosition(FALSE, NULL);
13289 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13291 if(bookHit) { // [HGM] book: simulate book reply
13292 static char bookMove[MSG_SIZ]; // a bit generous?
13294 programStats.nodes = programStats.depth = programStats.time =
13295 programStats.score = programStats.got_only_move = 0;
13296 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13298 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13299 strcat(bookMove, bookHit);
13300 HandleMachineMove(bookMove, &first);
13306 DisplayTwoMachinesTitle()
13309 if (appData.matchGames > 0) {
13310 if(appData.tourneyFile[0]) {
13311 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d/%d%s)"),
13312 gameInfo.white, gameInfo.black,
13313 nextGame+1, appData.matchGames+1,
13314 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13316 if (first.twoMachinesColor[0] == 'w') {
13317 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13318 gameInfo.white, gameInfo.black,
13319 first.matchWins, second.matchWins,
13320 matchGame - 1 - (first.matchWins + second.matchWins));
13322 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13323 gameInfo.white, gameInfo.black,
13324 second.matchWins, first.matchWins,
13325 matchGame - 1 - (first.matchWins + second.matchWins));
13328 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13334 SettingsMenuIfReady()
13336 if (second.lastPing != second.lastPong) {
13337 DisplayMessage("", _("Waiting for second chess program"));
13338 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13342 DisplayMessage("", "");
13343 SettingsPopUp(&second);
13347 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13350 if (cps->pr == NoProc) {
13351 StartChessProgram(cps);
13352 if (cps->protocolVersion == 1) {
13355 /* kludge: allow timeout for initial "feature" command */
13357 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13358 DisplayMessage("", buf);
13359 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13367 TwoMachinesEvent P((void))
13371 ChessProgramState *onmove;
13372 char *bookHit = NULL;
13373 static int stalling = 0;
13377 if (appData.noChessProgram) return;
13379 switch (gameMode) {
13380 case TwoMachinesPlay:
13382 case MachinePlaysWhite:
13383 case MachinePlaysBlack:
13384 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13385 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13389 case BeginningOfGame:
13390 case PlayFromGameFile:
13393 if (gameMode != EditGame) return;
13396 EditPositionDone(TRUE);
13407 // forwardMostMove = currentMove;
13408 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13410 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13412 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13413 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13414 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13418 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13419 SendToProgram("force\n", &second);
13421 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13424 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13425 if(appData.matchPause>10000 || appData.matchPause<10)
13426 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13427 wait = SubtractTimeMarks(&now, &pauseStart);
13428 if(wait < appData.matchPause) {
13429 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13433 DisplayMessage("", "");
13434 if (startedFromSetupPosition) {
13435 SendBoard(&second, backwardMostMove);
13436 if (appData.debugMode) {
13437 fprintf(debugFP, "Two Machines\n");
13440 for (i = backwardMostMove; i < forwardMostMove; i++) {
13441 SendMoveToProgram(i, &second);
13444 gameMode = TwoMachinesPlay;
13446 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13448 DisplayTwoMachinesTitle();
13450 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13455 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13456 SendToProgram(first.computerString, &first);
13457 if (first.sendName) {
13458 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13459 SendToProgram(buf, &first);
13461 SendToProgram(second.computerString, &second);
13462 if (second.sendName) {
13463 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13464 SendToProgram(buf, &second);
13468 if (!first.sendTime || !second.sendTime) {
13469 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13470 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13472 if (onmove->sendTime) {
13473 if (onmove->useColors) {
13474 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13476 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13478 if (onmove->useColors) {
13479 SendToProgram(onmove->twoMachinesColor, onmove);
13481 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13482 // SendToProgram("go\n", onmove);
13483 onmove->maybeThinking = TRUE;
13484 SetMachineThinkingEnables();
13488 if(bookHit) { // [HGM] book: simulate book reply
13489 static char bookMove[MSG_SIZ]; // a bit generous?
13491 programStats.nodes = programStats.depth = programStats.time =
13492 programStats.score = programStats.got_only_move = 0;
13493 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13495 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13496 strcat(bookMove, bookHit);
13497 savedMessage = bookMove; // args for deferred call
13498 savedState = onmove;
13499 ScheduleDelayedEvent(DeferredBookMove, 1);
13506 if (gameMode == Training) {
13507 SetTrainingModeOff();
13508 gameMode = PlayFromGameFile;
13509 DisplayMessage("", _("Training mode off"));
13511 gameMode = Training;
13512 animateTraining = appData.animate;
13514 /* make sure we are not already at the end of the game */
13515 if (currentMove < forwardMostMove) {
13516 SetTrainingModeOn();
13517 DisplayMessage("", _("Training mode on"));
13519 gameMode = PlayFromGameFile;
13520 DisplayError(_("Already at end of game"), 0);
13529 if (!appData.icsActive) return;
13530 switch (gameMode) {
13531 case IcsPlayingWhite:
13532 case IcsPlayingBlack:
13535 case BeginningOfGame:
13543 EditPositionDone(TRUE);
13556 gameMode = IcsIdle;
13567 switch (gameMode) {
13569 SetTrainingModeOff();
13571 case MachinePlaysWhite:
13572 case MachinePlaysBlack:
13573 case BeginningOfGame:
13574 SendToProgram("force\n", &first);
13575 SetUserThinkingEnables();
13577 case PlayFromGameFile:
13578 (void) StopLoadGameTimer();
13579 if (gameFileFP != NULL) {
13584 EditPositionDone(TRUE);
13589 SendToProgram("force\n", &first);
13591 case TwoMachinesPlay:
13592 GameEnds(EndOfFile, NULL, GE_PLAYER);
13593 ResurrectChessProgram();
13594 SetUserThinkingEnables();
13597 ResurrectChessProgram();
13599 case IcsPlayingBlack:
13600 case IcsPlayingWhite:
13601 DisplayError(_("Warning: You are still playing a game"), 0);
13604 DisplayError(_("Warning: You are still observing a game"), 0);
13607 DisplayError(_("Warning: You are still examining a game"), 0);
13618 first.offeredDraw = second.offeredDraw = 0;
13620 if (gameMode == PlayFromGameFile) {
13621 whiteTimeRemaining = timeRemaining[0][currentMove];
13622 blackTimeRemaining = timeRemaining[1][currentMove];
13626 if (gameMode == MachinePlaysWhite ||
13627 gameMode == MachinePlaysBlack ||
13628 gameMode == TwoMachinesPlay ||
13629 gameMode == EndOfGame) {
13630 i = forwardMostMove;
13631 while (i > currentMove) {
13632 SendToProgram("undo\n", &first);
13635 if(!adjustedClock) {
13636 whiteTimeRemaining = timeRemaining[0][currentMove];
13637 blackTimeRemaining = timeRemaining[1][currentMove];
13638 DisplayBothClocks();
13640 if (whiteFlag || blackFlag) {
13641 whiteFlag = blackFlag = 0;
13646 gameMode = EditGame;
13653 EditPositionEvent()
13655 if (gameMode == EditPosition) {
13661 if (gameMode != EditGame) return;
13663 gameMode = EditPosition;
13666 if (currentMove > 0)
13667 CopyBoard(boards[0], boards[currentMove]);
13669 blackPlaysFirst = !WhiteOnMove(currentMove);
13671 currentMove = forwardMostMove = backwardMostMove = 0;
13672 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13679 /* [DM] icsEngineAnalyze - possible call from other functions */
13680 if (appData.icsEngineAnalyze) {
13681 appData.icsEngineAnalyze = FALSE;
13683 DisplayMessage("",_("Close ICS engine analyze..."));
13685 if (first.analysisSupport && first.analyzing) {
13686 SendToProgram("exit\n", &first);
13687 first.analyzing = FALSE;
13689 thinkOutput[0] = NULLCHAR;
13693 EditPositionDone(Boolean fakeRights)
13695 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13697 startedFromSetupPosition = TRUE;
13698 InitChessProgram(&first, FALSE);
13699 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13700 boards[0][EP_STATUS] = EP_NONE;
13701 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13702 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13703 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13704 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13705 } else boards[0][CASTLING][2] = NoRights;
13706 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13707 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13708 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13709 } else boards[0][CASTLING][5] = NoRights;
13711 SendToProgram("force\n", &first);
13712 if (blackPlaysFirst) {
13713 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13714 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13715 currentMove = forwardMostMove = backwardMostMove = 1;
13716 CopyBoard(boards[1], boards[0]);
13718 currentMove = forwardMostMove = backwardMostMove = 0;
13720 SendBoard(&first, forwardMostMove);
13721 if (appData.debugMode) {
13722 fprintf(debugFP, "EditPosDone\n");
13725 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13726 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13727 gameMode = EditGame;
13729 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13730 ClearHighlights(); /* [AS] */
13733 /* Pause for `ms' milliseconds */
13734 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13744 } while (SubtractTimeMarks(&m2, &m1) < ms);
13747 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13749 SendMultiLineToICS(buf)
13752 char temp[MSG_SIZ+1], *p;
13759 strncpy(temp, buf, len);
13764 if (*p == '\n' || *p == '\r')
13769 strcat(temp, "\n");
13771 SendToPlayer(temp, strlen(temp));
13775 SetWhiteToPlayEvent()
13777 if (gameMode == EditPosition) {
13778 blackPlaysFirst = FALSE;
13779 DisplayBothClocks(); /* works because currentMove is 0 */
13780 } else if (gameMode == IcsExamining) {
13781 SendToICS(ics_prefix);
13782 SendToICS("tomove white\n");
13787 SetBlackToPlayEvent()
13789 if (gameMode == EditPosition) {
13790 blackPlaysFirst = TRUE;
13791 currentMove = 1; /* kludge */
13792 DisplayBothClocks();
13794 } else if (gameMode == IcsExamining) {
13795 SendToICS(ics_prefix);
13796 SendToICS("tomove black\n");
13801 EditPositionMenuEvent(selection, x, y)
13802 ChessSquare selection;
13806 ChessSquare piece = boards[0][y][x];
13808 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13810 switch (selection) {
13812 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13813 SendToICS(ics_prefix);
13814 SendToICS("bsetup clear\n");
13815 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13816 SendToICS(ics_prefix);
13817 SendToICS("clearboard\n");
13819 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13820 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13821 for (y = 0; y < BOARD_HEIGHT; y++) {
13822 if (gameMode == IcsExamining) {
13823 if (boards[currentMove][y][x] != EmptySquare) {
13824 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13829 boards[0][y][x] = p;
13834 if (gameMode == EditPosition) {
13835 DrawPosition(FALSE, boards[0]);
13840 SetWhiteToPlayEvent();
13844 SetBlackToPlayEvent();
13848 if (gameMode == IcsExamining) {
13849 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13850 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13853 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13854 if(x == BOARD_LEFT-2) {
13855 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13856 boards[0][y][1] = 0;
13858 if(x == BOARD_RGHT+1) {
13859 if(y >= gameInfo.holdingsSize) break;
13860 boards[0][y][BOARD_WIDTH-2] = 0;
13863 boards[0][y][x] = EmptySquare;
13864 DrawPosition(FALSE, boards[0]);
13869 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13870 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13871 selection = (ChessSquare) (PROMOTED piece);
13872 } else if(piece == EmptySquare) selection = WhiteSilver;
13873 else selection = (ChessSquare)((int)piece - 1);
13877 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13878 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13879 selection = (ChessSquare) (DEMOTED piece);
13880 } else if(piece == EmptySquare) selection = BlackSilver;
13881 else selection = (ChessSquare)((int)piece + 1);
13886 if(gameInfo.variant == VariantShatranj ||
13887 gameInfo.variant == VariantXiangqi ||
13888 gameInfo.variant == VariantCourier ||
13889 gameInfo.variant == VariantMakruk )
13890 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13895 if(gameInfo.variant == VariantXiangqi)
13896 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13897 if(gameInfo.variant == VariantKnightmate)
13898 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13901 if (gameMode == IcsExamining) {
13902 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13903 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13904 PieceToChar(selection), AAA + x, ONE + y);
13907 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13909 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13910 n = PieceToNumber(selection - BlackPawn);
13911 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13912 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13913 boards[0][BOARD_HEIGHT-1-n][1]++;
13915 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13916 n = PieceToNumber(selection);
13917 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13918 boards[0][n][BOARD_WIDTH-1] = selection;
13919 boards[0][n][BOARD_WIDTH-2]++;
13922 boards[0][y][x] = selection;
13923 DrawPosition(TRUE, boards[0]);
13931 DropMenuEvent(selection, x, y)
13932 ChessSquare selection;
13935 ChessMove moveType;
13937 switch (gameMode) {
13938 case IcsPlayingWhite:
13939 case MachinePlaysBlack:
13940 if (!WhiteOnMove(currentMove)) {
13941 DisplayMoveError(_("It is Black's turn"));
13944 moveType = WhiteDrop;
13946 case IcsPlayingBlack:
13947 case MachinePlaysWhite:
13948 if (WhiteOnMove(currentMove)) {
13949 DisplayMoveError(_("It is White's turn"));
13952 moveType = BlackDrop;
13955 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13961 if (moveType == BlackDrop && selection < BlackPawn) {
13962 selection = (ChessSquare) ((int) selection
13963 + (int) BlackPawn - (int) WhitePawn);
13965 if (boards[currentMove][y][x] != EmptySquare) {
13966 DisplayMoveError(_("That square is occupied"));
13970 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13976 /* Accept a pending offer of any kind from opponent */
13978 if (appData.icsActive) {
13979 SendToICS(ics_prefix);
13980 SendToICS("accept\n");
13981 } else if (cmailMsgLoaded) {
13982 if (currentMove == cmailOldMove &&
13983 commentList[cmailOldMove] != NULL &&
13984 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13985 "Black offers a draw" : "White offers a draw")) {
13987 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13988 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13990 DisplayError(_("There is no pending offer on this move"), 0);
13991 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13994 /* Not used for offers from chess program */
14001 /* Decline a pending offer of any kind from opponent */
14003 if (appData.icsActive) {
14004 SendToICS(ics_prefix);
14005 SendToICS("decline\n");
14006 } else if (cmailMsgLoaded) {
14007 if (currentMove == cmailOldMove &&
14008 commentList[cmailOldMove] != NULL &&
14009 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14010 "Black offers a draw" : "White offers a draw")) {
14012 AppendComment(cmailOldMove, "Draw declined", TRUE);
14013 DisplayComment(cmailOldMove - 1, "Draw declined");
14016 DisplayError(_("There is no pending offer on this move"), 0);
14019 /* Not used for offers from chess program */
14026 /* Issue ICS rematch command */
14027 if (appData.icsActive) {
14028 SendToICS(ics_prefix);
14029 SendToICS("rematch\n");
14036 /* Call your opponent's flag (claim a win on time) */
14037 if (appData.icsActive) {
14038 SendToICS(ics_prefix);
14039 SendToICS("flag\n");
14041 switch (gameMode) {
14044 case MachinePlaysWhite:
14047 GameEnds(GameIsDrawn, "Both players ran out of time",
14050 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14052 DisplayError(_("Your opponent is not out of time"), 0);
14055 case MachinePlaysBlack:
14058 GameEnds(GameIsDrawn, "Both players ran out of time",
14061 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14063 DisplayError(_("Your opponent is not out of time"), 0);
14071 ClockClick(int which)
14072 { // [HGM] code moved to back-end from winboard.c
14073 if(which) { // black clock
14074 if (gameMode == EditPosition || gameMode == IcsExamining) {
14075 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14076 SetBlackToPlayEvent();
14077 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14078 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14079 } else if (shiftKey) {
14080 AdjustClock(which, -1);
14081 } else if (gameMode == IcsPlayingWhite ||
14082 gameMode == MachinePlaysBlack) {
14085 } else { // white clock
14086 if (gameMode == EditPosition || gameMode == IcsExamining) {
14087 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14088 SetWhiteToPlayEvent();
14089 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14090 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14091 } else if (shiftKey) {
14092 AdjustClock(which, -1);
14093 } else if (gameMode == IcsPlayingBlack ||
14094 gameMode == MachinePlaysWhite) {
14103 /* Offer draw or accept pending draw offer from opponent */
14105 if (appData.icsActive) {
14106 /* Note: tournament rules require draw offers to be
14107 made after you make your move but before you punch
14108 your clock. Currently ICS doesn't let you do that;
14109 instead, you immediately punch your clock after making
14110 a move, but you can offer a draw at any time. */
14112 SendToICS(ics_prefix);
14113 SendToICS("draw\n");
14114 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14115 } else if (cmailMsgLoaded) {
14116 if (currentMove == cmailOldMove &&
14117 commentList[cmailOldMove] != NULL &&
14118 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14119 "Black offers a draw" : "White offers a draw")) {
14120 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14121 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14122 } else if (currentMove == cmailOldMove + 1) {
14123 char *offer = WhiteOnMove(cmailOldMove) ?
14124 "White offers a draw" : "Black offers a draw";
14125 AppendComment(currentMove, offer, TRUE);
14126 DisplayComment(currentMove - 1, offer);
14127 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14129 DisplayError(_("You must make your move before offering a draw"), 0);
14130 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14132 } else if (first.offeredDraw) {
14133 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14135 if (first.sendDrawOffers) {
14136 SendToProgram("draw\n", &first);
14137 userOfferedDraw = TRUE;
14145 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14147 if (appData.icsActive) {
14148 SendToICS(ics_prefix);
14149 SendToICS("adjourn\n");
14151 /* Currently GNU Chess doesn't offer or accept Adjourns */
14159 /* Offer Abort or accept pending Abort offer from opponent */
14161 if (appData.icsActive) {
14162 SendToICS(ics_prefix);
14163 SendToICS("abort\n");
14165 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14172 /* Resign. You can do this even if it's not your turn. */
14174 if (appData.icsActive) {
14175 SendToICS(ics_prefix);
14176 SendToICS("resign\n");
14178 switch (gameMode) {
14179 case MachinePlaysWhite:
14180 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14182 case MachinePlaysBlack:
14183 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14186 if (cmailMsgLoaded) {
14188 if (WhiteOnMove(cmailOldMove)) {
14189 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14191 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14193 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14204 StopObservingEvent()
14206 /* Stop observing current games */
14207 SendToICS(ics_prefix);
14208 SendToICS("unobserve\n");
14212 StopExaminingEvent()
14214 /* Stop observing current game */
14215 SendToICS(ics_prefix);
14216 SendToICS("unexamine\n");
14220 ForwardInner(target)
14225 if (appData.debugMode)
14226 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14227 target, currentMove, forwardMostMove);
14229 if (gameMode == EditPosition)
14232 MarkTargetSquares(1);
14234 if (gameMode == PlayFromGameFile && !pausing)
14237 if (gameMode == IcsExamining && pausing)
14238 limit = pauseExamForwardMostMove;
14240 limit = forwardMostMove;
14242 if (target > limit) target = limit;
14244 if (target > 0 && moveList[target - 1][0]) {
14245 int fromX, fromY, toX, toY;
14246 toX = moveList[target - 1][2] - AAA;
14247 toY = moveList[target - 1][3] - ONE;
14248 if (moveList[target - 1][1] == '@') {
14249 if (appData.highlightLastMove) {
14250 SetHighlights(-1, -1, toX, toY);
14253 fromX = moveList[target - 1][0] - AAA;
14254 fromY = moveList[target - 1][1] - ONE;
14255 if (target == currentMove + 1) {
14256 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14258 if (appData.highlightLastMove) {
14259 SetHighlights(fromX, fromY, toX, toY);
14263 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14264 gameMode == Training || gameMode == PlayFromGameFile ||
14265 gameMode == AnalyzeFile) {
14266 while (currentMove < target) {
14267 SendMoveToProgram(currentMove++, &first);
14270 currentMove = target;
14273 if (gameMode == EditGame || gameMode == EndOfGame) {
14274 whiteTimeRemaining = timeRemaining[0][currentMove];
14275 blackTimeRemaining = timeRemaining[1][currentMove];
14277 DisplayBothClocks();
14278 DisplayMove(currentMove - 1);
14279 DrawPosition(FALSE, boards[currentMove]);
14280 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14281 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14282 DisplayComment(currentMove - 1, commentList[currentMove]);
14290 if (gameMode == IcsExamining && !pausing) {
14291 SendToICS(ics_prefix);
14292 SendToICS("forward\n");
14294 ForwardInner(currentMove + 1);
14301 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14302 /* to optimze, we temporarily turn off analysis mode while we feed
14303 * the remaining moves to the engine. Otherwise we get analysis output
14306 if (first.analysisSupport) {
14307 SendToProgram("exit\nforce\n", &first);
14308 first.analyzing = FALSE;
14312 if (gameMode == IcsExamining && !pausing) {
14313 SendToICS(ics_prefix);
14314 SendToICS("forward 999999\n");
14316 ForwardInner(forwardMostMove);
14319 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14320 /* we have fed all the moves, so reactivate analysis mode */
14321 SendToProgram("analyze\n", &first);
14322 first.analyzing = TRUE;
14323 /*first.maybeThinking = TRUE;*/
14324 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14329 BackwardInner(target)
14332 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14334 if (appData.debugMode)
14335 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14336 target, currentMove, forwardMostMove);
14338 if (gameMode == EditPosition) return;
14339 MarkTargetSquares(1);
14340 if (currentMove <= backwardMostMove) {
14342 DrawPosition(full_redraw, boards[currentMove]);
14345 if (gameMode == PlayFromGameFile && !pausing)
14348 if (moveList[target][0]) {
14349 int fromX, fromY, toX, toY;
14350 toX = moveList[target][2] - AAA;
14351 toY = moveList[target][3] - ONE;
14352 if (moveList[target][1] == '@') {
14353 if (appData.highlightLastMove) {
14354 SetHighlights(-1, -1, toX, toY);
14357 fromX = moveList[target][0] - AAA;
14358 fromY = moveList[target][1] - ONE;
14359 if (target == currentMove - 1) {
14360 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14362 if (appData.highlightLastMove) {
14363 SetHighlights(fromX, fromY, toX, toY);
14367 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14368 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14369 while (currentMove > target) {
14370 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14371 // null move cannot be undone. Reload program with move history before it.
14373 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14374 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14376 SendBoard(&first, i);
14377 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14380 SendToProgram("undo\n", &first);
14384 currentMove = target;
14387 if (gameMode == EditGame || gameMode == EndOfGame) {
14388 whiteTimeRemaining = timeRemaining[0][currentMove];
14389 blackTimeRemaining = timeRemaining[1][currentMove];
14391 DisplayBothClocks();
14392 DisplayMove(currentMove - 1);
14393 DrawPosition(full_redraw, boards[currentMove]);
14394 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14395 // [HGM] PV info: routine tests if comment empty
14396 DisplayComment(currentMove - 1, commentList[currentMove]);
14402 if (gameMode == IcsExamining && !pausing) {
14403 SendToICS(ics_prefix);
14404 SendToICS("backward\n");
14406 BackwardInner(currentMove - 1);
14413 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14414 /* to optimize, we temporarily turn off analysis mode while we undo
14415 * all the moves. Otherwise we get analysis output after each undo.
14417 if (first.analysisSupport) {
14418 SendToProgram("exit\nforce\n", &first);
14419 first.analyzing = FALSE;
14423 if (gameMode == IcsExamining && !pausing) {
14424 SendToICS(ics_prefix);
14425 SendToICS("backward 999999\n");
14427 BackwardInner(backwardMostMove);
14430 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14431 /* we have fed all the moves, so reactivate analysis mode */
14432 SendToProgram("analyze\n", &first);
14433 first.analyzing = TRUE;
14434 /*first.maybeThinking = TRUE;*/
14435 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14442 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14443 if (to >= forwardMostMove) to = forwardMostMove;
14444 if (to <= backwardMostMove) to = backwardMostMove;
14445 if (to < currentMove) {
14453 RevertEvent(Boolean annotate)
14455 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14458 if (gameMode != IcsExamining) {
14459 DisplayError(_("You are not examining a game"), 0);
14463 DisplayError(_("You can't revert while pausing"), 0);
14466 SendToICS(ics_prefix);
14467 SendToICS("revert\n");
14473 switch (gameMode) {
14474 case MachinePlaysWhite:
14475 case MachinePlaysBlack:
14476 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14477 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14480 if (forwardMostMove < 2) return;
14481 currentMove = forwardMostMove = forwardMostMove - 2;
14482 whiteTimeRemaining = timeRemaining[0][currentMove];
14483 blackTimeRemaining = timeRemaining[1][currentMove];
14484 DisplayBothClocks();
14485 DisplayMove(currentMove - 1);
14486 ClearHighlights();/*!! could figure this out*/
14487 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14488 SendToProgram("remove\n", &first);
14489 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14492 case BeginningOfGame:
14496 case IcsPlayingWhite:
14497 case IcsPlayingBlack:
14498 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14499 SendToICS(ics_prefix);
14500 SendToICS("takeback 2\n");
14502 SendToICS(ics_prefix);
14503 SendToICS("takeback 1\n");
14512 ChessProgramState *cps;
14514 switch (gameMode) {
14515 case MachinePlaysWhite:
14516 if (!WhiteOnMove(forwardMostMove)) {
14517 DisplayError(_("It is your turn"), 0);
14522 case MachinePlaysBlack:
14523 if (WhiteOnMove(forwardMostMove)) {
14524 DisplayError(_("It is your turn"), 0);
14529 case TwoMachinesPlay:
14530 if (WhiteOnMove(forwardMostMove) ==
14531 (first.twoMachinesColor[0] == 'w')) {
14537 case BeginningOfGame:
14541 SendToProgram("?\n", cps);
14545 TruncateGameEvent()
14548 if (gameMode != EditGame) return;
14555 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14556 if (forwardMostMove > currentMove) {
14557 if (gameInfo.resultDetails != NULL) {
14558 free(gameInfo.resultDetails);
14559 gameInfo.resultDetails = NULL;
14560 gameInfo.result = GameUnfinished;
14562 forwardMostMove = currentMove;
14563 HistorySet(parseList, backwardMostMove, forwardMostMove,
14571 if (appData.noChessProgram) return;
14572 switch (gameMode) {
14573 case MachinePlaysWhite:
14574 if (WhiteOnMove(forwardMostMove)) {
14575 DisplayError(_("Wait until your turn"), 0);
14579 case BeginningOfGame:
14580 case MachinePlaysBlack:
14581 if (!WhiteOnMove(forwardMostMove)) {
14582 DisplayError(_("Wait until your turn"), 0);
14587 DisplayError(_("No hint available"), 0);
14590 SendToProgram("hint\n", &first);
14591 hintRequested = TRUE;
14597 if (appData.noChessProgram) return;
14598 switch (gameMode) {
14599 case MachinePlaysWhite:
14600 if (WhiteOnMove(forwardMostMove)) {
14601 DisplayError(_("Wait until your turn"), 0);
14605 case BeginningOfGame:
14606 case MachinePlaysBlack:
14607 if (!WhiteOnMove(forwardMostMove)) {
14608 DisplayError(_("Wait until your turn"), 0);
14613 EditPositionDone(TRUE);
14615 case TwoMachinesPlay:
14620 SendToProgram("bk\n", &first);
14621 bookOutput[0] = NULLCHAR;
14622 bookRequested = TRUE;
14628 char *tags = PGNTags(&gameInfo);
14629 TagsPopUp(tags, CmailMsg());
14633 /* end button procedures */
14636 PrintPosition(fp, move)
14642 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14643 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14644 char c = PieceToChar(boards[move][i][j]);
14645 fputc(c == 'x' ? '.' : c, fp);
14646 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14649 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14650 fprintf(fp, "white to play\n");
14652 fprintf(fp, "black to play\n");
14659 if (gameInfo.white != NULL) {
14660 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14666 /* Find last component of program's own name, using some heuristics */
14668 TidyProgramName(prog, host, buf)
14669 char *prog, *host, buf[MSG_SIZ];
14672 int local = (strcmp(host, "localhost") == 0);
14673 while (!local && (p = strchr(prog, ';')) != NULL) {
14675 while (*p == ' ') p++;
14678 if (*prog == '"' || *prog == '\'') {
14679 q = strchr(prog + 1, *prog);
14681 q = strchr(prog, ' ');
14683 if (q == NULL) q = prog + strlen(prog);
14685 while (p >= prog && *p != '/' && *p != '\\') p--;
14687 if(p == prog && *p == '"') p++;
14688 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14689 memcpy(buf, p, q - p);
14690 buf[q - p] = NULLCHAR;
14698 TimeControlTagValue()
14701 if (!appData.clockMode) {
14702 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14703 } else if (movesPerSession > 0) {
14704 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14705 } else if (timeIncrement == 0) {
14706 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14708 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14710 return StrSave(buf);
14716 /* This routine is used only for certain modes */
14717 VariantClass v = gameInfo.variant;
14718 ChessMove r = GameUnfinished;
14721 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14722 r = gameInfo.result;
14723 p = gameInfo.resultDetails;
14724 gameInfo.resultDetails = NULL;
14726 ClearGameInfo(&gameInfo);
14727 gameInfo.variant = v;
14729 switch (gameMode) {
14730 case MachinePlaysWhite:
14731 gameInfo.event = StrSave( appData.pgnEventHeader );
14732 gameInfo.site = StrSave(HostName());
14733 gameInfo.date = PGNDate();
14734 gameInfo.round = StrSave("-");
14735 gameInfo.white = StrSave(first.tidy);
14736 gameInfo.black = StrSave(UserName());
14737 gameInfo.timeControl = TimeControlTagValue();
14740 case MachinePlaysBlack:
14741 gameInfo.event = StrSave( appData.pgnEventHeader );
14742 gameInfo.site = StrSave(HostName());
14743 gameInfo.date = PGNDate();
14744 gameInfo.round = StrSave("-");
14745 gameInfo.white = StrSave(UserName());
14746 gameInfo.black = StrSave(first.tidy);
14747 gameInfo.timeControl = TimeControlTagValue();
14750 case TwoMachinesPlay:
14751 gameInfo.event = StrSave( appData.pgnEventHeader );
14752 gameInfo.site = StrSave(HostName());
14753 gameInfo.date = PGNDate();
14756 snprintf(buf, MSG_SIZ, "%d", roundNr);
14757 gameInfo.round = StrSave(buf);
14759 gameInfo.round = StrSave("-");
14761 if (first.twoMachinesColor[0] == 'w') {
14762 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14763 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14765 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14766 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14768 gameInfo.timeControl = TimeControlTagValue();
14772 gameInfo.event = StrSave("Edited game");
14773 gameInfo.site = StrSave(HostName());
14774 gameInfo.date = PGNDate();
14775 gameInfo.round = StrSave("-");
14776 gameInfo.white = StrSave("-");
14777 gameInfo.black = StrSave("-");
14778 gameInfo.result = r;
14779 gameInfo.resultDetails = p;
14783 gameInfo.event = StrSave("Edited position");
14784 gameInfo.site = StrSave(HostName());
14785 gameInfo.date = PGNDate();
14786 gameInfo.round = StrSave("-");
14787 gameInfo.white = StrSave("-");
14788 gameInfo.black = StrSave("-");
14791 case IcsPlayingWhite:
14792 case IcsPlayingBlack:
14797 case PlayFromGameFile:
14798 gameInfo.event = StrSave("Game from non-PGN file");
14799 gameInfo.site = StrSave(HostName());
14800 gameInfo.date = PGNDate();
14801 gameInfo.round = StrSave("-");
14802 gameInfo.white = StrSave("?");
14803 gameInfo.black = StrSave("?");
14812 ReplaceComment(index, text)
14820 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14821 pvInfoList[index-1].depth == len &&
14822 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14823 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14824 while (*text == '\n') text++;
14825 len = strlen(text);
14826 while (len > 0 && text[len - 1] == '\n') len--;
14828 if (commentList[index] != NULL)
14829 free(commentList[index]);
14832 commentList[index] = NULL;
14835 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14836 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14837 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14838 commentList[index] = (char *) malloc(len + 2);
14839 strncpy(commentList[index], text, len);
14840 commentList[index][len] = '\n';
14841 commentList[index][len + 1] = NULLCHAR;
14843 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14845 commentList[index] = (char *) malloc(len + 7);
14846 safeStrCpy(commentList[index], "{\n", 3);
14847 safeStrCpy(commentList[index]+2, text, len+1);
14848 commentList[index][len+2] = NULLCHAR;
14849 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14850 strcat(commentList[index], "\n}\n");
14864 if (ch == '\r') continue;
14866 } while (ch != '\0');
14870 AppendComment(index, text, addBraces)
14873 Boolean addBraces; // [HGM] braces: tells if we should add {}
14878 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14879 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14882 while (*text == '\n') text++;
14883 len = strlen(text);
14884 while (len > 0 && text[len - 1] == '\n') len--;
14886 if (len == 0) return;
14888 if (commentList[index] != NULL) {
14889 Boolean addClosingBrace = addBraces;
14890 old = commentList[index];
14891 oldlen = strlen(old);
14892 while(commentList[index][oldlen-1] == '\n')
14893 commentList[index][--oldlen] = NULLCHAR;
14894 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14895 safeStrCpy(commentList[index], old, oldlen + len + 6);
14897 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14898 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14899 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14900 while (*text == '\n') { text++; len--; }
14901 commentList[index][--oldlen] = NULLCHAR;
14903 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14904 else strcat(commentList[index], "\n");
14905 strcat(commentList[index], text);
14906 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14907 else strcat(commentList[index], "\n");
14909 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14911 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14912 else commentList[index][0] = NULLCHAR;
14913 strcat(commentList[index], text);
14914 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14915 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14919 static char * FindStr( char * text, char * sub_text )
14921 char * result = strstr( text, sub_text );
14923 if( result != NULL ) {
14924 result += strlen( sub_text );
14930 /* [AS] Try to extract PV info from PGN comment */
14931 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14932 char *GetInfoFromComment( int index, char * text )
14934 char * sep = text, *p;
14936 if( text != NULL && index > 0 ) {
14939 int time = -1, sec = 0, deci;
14940 char * s_eval = FindStr( text, "[%eval " );
14941 char * s_emt = FindStr( text, "[%emt " );
14943 if( s_eval != NULL || s_emt != NULL ) {
14947 if( s_eval != NULL ) {
14948 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14952 if( delim != ']' ) {
14957 if( s_emt != NULL ) {
14962 /* We expect something like: [+|-]nnn.nn/dd */
14965 if(*text != '{') return text; // [HGM] braces: must be normal comment
14967 sep = strchr( text, '/' );
14968 if( sep == NULL || sep < (text+4) ) {
14973 if(p[1] == '(') { // comment starts with PV
14974 p = strchr(p, ')'); // locate end of PV
14975 if(p == NULL || sep < p+5) return text;
14976 // at this point we have something like "{(.*) +0.23/6 ..."
14977 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14978 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14979 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14981 time = -1; sec = -1; deci = -1;
14982 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14983 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14984 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14985 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14989 if( score_lo < 0 || score_lo >= 100 ) {
14993 if(sec >= 0) time = 600*time + 10*sec; else
14994 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14996 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14998 /* [HGM] PV time: now locate end of PV info */
14999 while( *++sep >= '0' && *sep <= '9'); // strip depth
15001 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15003 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15005 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15006 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15017 pvInfoList[index-1].depth = depth;
15018 pvInfoList[index-1].score = score;
15019 pvInfoList[index-1].time = 10*time; // centi-sec
15020 if(*sep == '}') *sep = 0; else *--sep = '{';
15021 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15027 SendToProgram(message, cps)
15029 ChessProgramState *cps;
15031 int count, outCount, error;
15034 if (cps->pr == NoProc) return;
15037 if (appData.debugMode) {
15040 fprintf(debugFP, "%ld >%-6s: %s",
15041 SubtractTimeMarks(&now, &programStartTime),
15042 cps->which, message);
15045 count = strlen(message);
15046 outCount = OutputToProcess(cps->pr, message, count, &error);
15047 if (outCount < count && !exiting
15048 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15049 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15050 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15051 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15052 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15053 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15054 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15055 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15057 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15058 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15059 gameInfo.result = res;
15061 gameInfo.resultDetails = StrSave(buf);
15063 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15064 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15069 ReceiveFromProgram(isr, closure, message, count, error)
15070 InputSourceRef isr;
15078 ChessProgramState *cps = (ChessProgramState *)closure;
15080 if (isr != cps->isr) return; /* Killed intentionally */
15083 RemoveInputSource(cps->isr);
15084 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15085 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15086 _(cps->which), cps->program);
15087 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15088 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15089 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15090 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15091 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15093 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15094 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15095 gameInfo.result = res;
15097 gameInfo.resultDetails = StrSave(buf);
15099 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15100 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15102 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15103 _(cps->which), cps->program);
15104 RemoveInputSource(cps->isr);
15106 /* [AS] Program is misbehaving badly... kill it */
15107 if( count == -2 ) {
15108 DestroyChildProcess( cps->pr, 9 );
15112 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15117 if ((end_str = strchr(message, '\r')) != NULL)
15118 *end_str = NULLCHAR;
15119 if ((end_str = strchr(message, '\n')) != NULL)
15120 *end_str = NULLCHAR;
15122 if (appData.debugMode) {
15123 TimeMark now; int print = 1;
15124 char *quote = ""; char c; int i;
15126 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15127 char start = message[0];
15128 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15129 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15130 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15131 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15132 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15133 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15134 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15135 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15136 sscanf(message, "hint: %c", &c)!=1 &&
15137 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15138 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15139 print = (appData.engineComments >= 2);
15141 message[0] = start; // restore original message
15145 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15146 SubtractTimeMarks(&now, &programStartTime), cps->which,
15152 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15153 if (appData.icsEngineAnalyze) {
15154 if (strstr(message, "whisper") != NULL ||
15155 strstr(message, "kibitz") != NULL ||
15156 strstr(message, "tellics") != NULL) return;
15159 HandleMachineMove(message, cps);
15164 SendTimeControl(cps, mps, tc, inc, sd, st)
15165 ChessProgramState *cps;
15166 int mps, inc, sd, st;
15172 if( timeControl_2 > 0 ) {
15173 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15174 tc = timeControl_2;
15177 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15178 inc /= cps->timeOdds;
15179 st /= cps->timeOdds;
15181 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15184 /* Set exact time per move, normally using st command */
15185 if (cps->stKludge) {
15186 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15188 if (seconds == 0) {
15189 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15191 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15194 snprintf(buf, MSG_SIZ, "st %d\n", st);
15197 /* Set conventional or incremental time control, using level command */
15198 if (seconds == 0) {
15199 /* Note old gnuchess bug -- minutes:seconds used to not work.
15200 Fixed in later versions, but still avoid :seconds
15201 when seconds is 0. */
15202 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15204 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15205 seconds, inc/1000.);
15208 SendToProgram(buf, cps);
15210 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15211 /* Orthogonally, limit search to given depth */
15213 if (cps->sdKludge) {
15214 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15216 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15218 SendToProgram(buf, cps);
15221 if(cps->nps >= 0) { /* [HGM] nps */
15222 if(cps->supportsNPS == FALSE)
15223 cps->nps = -1; // don't use if engine explicitly says not supported!
15225 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15226 SendToProgram(buf, cps);
15231 ChessProgramState *WhitePlayer()
15232 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15234 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15235 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15241 SendTimeRemaining(cps, machineWhite)
15242 ChessProgramState *cps;
15243 int /*boolean*/ machineWhite;
15245 char message[MSG_SIZ];
15248 /* Note: this routine must be called when the clocks are stopped
15249 or when they have *just* been set or switched; otherwise
15250 it will be off by the time since the current tick started.
15252 if (machineWhite) {
15253 time = whiteTimeRemaining / 10;
15254 otime = blackTimeRemaining / 10;
15256 time = blackTimeRemaining / 10;
15257 otime = whiteTimeRemaining / 10;
15259 /* [HGM] translate opponent's time by time-odds factor */
15260 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15261 if (appData.debugMode) {
15262 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15265 if (time <= 0) time = 1;
15266 if (otime <= 0) otime = 1;
15268 snprintf(message, MSG_SIZ, "time %ld\n", time);
15269 SendToProgram(message, cps);
15271 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15272 SendToProgram(message, cps);
15276 BoolFeature(p, name, loc, cps)
15280 ChessProgramState *cps;
15283 int len = strlen(name);
15286 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15288 sscanf(*p, "%d", &val);
15290 while (**p && **p != ' ')
15292 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15293 SendToProgram(buf, cps);
15300 IntFeature(p, name, loc, cps)
15304 ChessProgramState *cps;
15307 int len = strlen(name);
15308 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15310 sscanf(*p, "%d", loc);
15311 while (**p && **p != ' ') (*p)++;
15312 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15313 SendToProgram(buf, cps);
15320 StringFeature(p, name, loc, cps)
15324 ChessProgramState *cps;
15327 int len = strlen(name);
15328 if (strncmp((*p), name, len) == 0
15329 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15331 sscanf(*p, "%[^\"]", loc);
15332 while (**p && **p != '\"') (*p)++;
15333 if (**p == '\"') (*p)++;
15334 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15335 SendToProgram(buf, cps);
15342 ParseOption(Option *opt, ChessProgramState *cps)
15343 // [HGM] options: process the string that defines an engine option, and determine
15344 // name, type, default value, and allowed value range
15346 char *p, *q, buf[MSG_SIZ];
15347 int n, min = (-1)<<31, max = 1<<31, def;
15349 if(p = strstr(opt->name, " -spin ")) {
15350 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15351 if(max < min) max = min; // enforce consistency
15352 if(def < min) def = min;
15353 if(def > max) def = max;
15358 } else if((p = strstr(opt->name, " -slider "))) {
15359 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15360 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15361 if(max < min) max = min; // enforce consistency
15362 if(def < min) def = min;
15363 if(def > max) def = max;
15367 opt->type = Spin; // Slider;
15368 } else if((p = strstr(opt->name, " -string "))) {
15369 opt->textValue = p+9;
15370 opt->type = TextBox;
15371 } else if((p = strstr(opt->name, " -file "))) {
15372 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15373 opt->textValue = p+7;
15374 opt->type = FileName; // FileName;
15375 } else if((p = strstr(opt->name, " -path "))) {
15376 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15377 opt->textValue = p+7;
15378 opt->type = PathName; // PathName;
15379 } else if(p = strstr(opt->name, " -check ")) {
15380 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15381 opt->value = (def != 0);
15382 opt->type = CheckBox;
15383 } else if(p = strstr(opt->name, " -combo ")) {
15384 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15385 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15386 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15387 opt->value = n = 0;
15388 while(q = StrStr(q, " /// ")) {
15389 n++; *q = 0; // count choices, and null-terminate each of them
15391 if(*q == '*') { // remember default, which is marked with * prefix
15395 cps->comboList[cps->comboCnt++] = q;
15397 cps->comboList[cps->comboCnt++] = NULL;
15399 opt->type = ComboBox;
15400 } else if(p = strstr(opt->name, " -button")) {
15401 opt->type = Button;
15402 } else if(p = strstr(opt->name, " -save")) {
15403 opt->type = SaveButton;
15404 } else return FALSE;
15405 *p = 0; // terminate option name
15406 // now look if the command-line options define a setting for this engine option.
15407 if(cps->optionSettings && cps->optionSettings[0])
15408 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15409 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15410 snprintf(buf, MSG_SIZ, "option %s", p);
15411 if(p = strstr(buf, ",")) *p = 0;
15412 if(q = strchr(buf, '=')) switch(opt->type) {
15414 for(n=0; n<opt->max; n++)
15415 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15418 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15422 opt->value = atoi(q+1);
15427 SendToProgram(buf, cps);
15433 FeatureDone(cps, val)
15434 ChessProgramState* cps;
15437 DelayedEventCallback cb = GetDelayedEvent();
15438 if ((cb == InitBackEnd3 && cps == &first) ||
15439 (cb == SettingsMenuIfReady && cps == &second) ||
15440 (cb == LoadEngine) ||
15441 (cb == TwoMachinesEventIfReady)) {
15442 CancelDelayedEvent();
15443 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15445 cps->initDone = val;
15448 /* Parse feature command from engine */
15450 ParseFeatures(args, cps)
15452 ChessProgramState *cps;
15460 while (*p == ' ') p++;
15461 if (*p == NULLCHAR) return;
15463 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15464 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15465 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15466 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15467 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15468 if (BoolFeature(&p, "reuse", &val, cps)) {
15469 /* Engine can disable reuse, but can't enable it if user said no */
15470 if (!val) cps->reuse = FALSE;
15473 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15474 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15475 if (gameMode == TwoMachinesPlay) {
15476 DisplayTwoMachinesTitle();
15482 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15483 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15484 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15485 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15486 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15487 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15488 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15489 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15490 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15491 if (IntFeature(&p, "done", &val, cps)) {
15492 FeatureDone(cps, val);
15495 /* Added by Tord: */
15496 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15497 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15498 /* End of additions by Tord */
15500 /* [HGM] added features: */
15501 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15502 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15503 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15504 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15505 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15506 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15507 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15508 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15509 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15510 SendToProgram(buf, cps);
15513 if(cps->nrOptions >= MAX_OPTIONS) {
15515 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15516 DisplayError(buf, 0);
15520 /* End of additions by HGM */
15522 /* unknown feature: complain and skip */
15524 while (*q && *q != '=') q++;
15525 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15526 SendToProgram(buf, cps);
15532 while (*p && *p != '\"') p++;
15533 if (*p == '\"') p++;
15535 while (*p && *p != ' ') p++;
15543 PeriodicUpdatesEvent(newState)
15546 if (newState == appData.periodicUpdates)
15549 appData.periodicUpdates=newState;
15551 /* Display type changes, so update it now */
15552 // DisplayAnalysis();
15554 /* Get the ball rolling again... */
15556 AnalysisPeriodicEvent(1);
15557 StartAnalysisClock();
15562 PonderNextMoveEvent(newState)
15565 if (newState == appData.ponderNextMove) return;
15566 if (gameMode == EditPosition) EditPositionDone(TRUE);
15568 SendToProgram("hard\n", &first);
15569 if (gameMode == TwoMachinesPlay) {
15570 SendToProgram("hard\n", &second);
15573 SendToProgram("easy\n", &first);
15574 thinkOutput[0] = NULLCHAR;
15575 if (gameMode == TwoMachinesPlay) {
15576 SendToProgram("easy\n", &second);
15579 appData.ponderNextMove = newState;
15583 NewSettingEvent(option, feature, command, value)
15585 int option, value, *feature;
15589 if (gameMode == EditPosition) EditPositionDone(TRUE);
15590 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15591 if(feature == NULL || *feature) SendToProgram(buf, &first);
15592 if (gameMode == TwoMachinesPlay) {
15593 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15598 ShowThinkingEvent()
15599 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15601 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15602 int newState = appData.showThinking
15603 // [HGM] thinking: other features now need thinking output as well
15604 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15606 if (oldState == newState) return;
15607 oldState = newState;
15608 if (gameMode == EditPosition) EditPositionDone(TRUE);
15610 SendToProgram("post\n", &first);
15611 if (gameMode == TwoMachinesPlay) {
15612 SendToProgram("post\n", &second);
15615 SendToProgram("nopost\n", &first);
15616 thinkOutput[0] = NULLCHAR;
15617 if (gameMode == TwoMachinesPlay) {
15618 SendToProgram("nopost\n", &second);
15621 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15625 AskQuestionEvent(title, question, replyPrefix, which)
15626 char *title; char *question; char *replyPrefix; char *which;
15628 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15629 if (pr == NoProc) return;
15630 AskQuestion(title, question, replyPrefix, pr);
15634 TypeInEvent(char firstChar)
15636 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15637 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15638 gameMode == AnalyzeMode || gameMode == EditGame ||
15639 gameMode == EditPosition || gameMode == IcsExamining ||
15640 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15641 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15642 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15643 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15644 gameMode == Training) PopUpMoveDialog(firstChar);
15648 TypeInDoneEvent(char *move)
15651 int n, fromX, fromY, toX, toY;
15653 ChessMove moveType;
15656 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15657 EditPositionPasteFEN(move);
15660 // [HGM] movenum: allow move number to be typed in any mode
15661 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15666 if (gameMode != EditGame && currentMove != forwardMostMove &&
15667 gameMode != Training) {
15668 DisplayMoveError(_("Displayed move is not current"));
15670 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15671 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15672 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15673 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15674 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15675 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15677 DisplayMoveError(_("Could not parse move"));
15683 DisplayMove(moveNumber)
15686 char message[MSG_SIZ];
15688 char cpThinkOutput[MSG_SIZ];
15690 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15692 if (moveNumber == forwardMostMove - 1 ||
15693 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15695 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15697 if (strchr(cpThinkOutput, '\n')) {
15698 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15701 *cpThinkOutput = NULLCHAR;
15704 /* [AS] Hide thinking from human user */
15705 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15706 *cpThinkOutput = NULLCHAR;
15707 if( thinkOutput[0] != NULLCHAR ) {
15710 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15711 cpThinkOutput[i] = '.';
15713 cpThinkOutput[i] = NULLCHAR;
15714 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15718 if (moveNumber == forwardMostMove - 1 &&
15719 gameInfo.resultDetails != NULL) {
15720 if (gameInfo.resultDetails[0] == NULLCHAR) {
15721 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15723 snprintf(res, MSG_SIZ, " {%s} %s",
15724 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15730 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15731 DisplayMessage(res, cpThinkOutput);
15733 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15734 WhiteOnMove(moveNumber) ? " " : ".. ",
15735 parseList[moveNumber], res);
15736 DisplayMessage(message, cpThinkOutput);
15741 DisplayComment(moveNumber, text)
15745 char title[MSG_SIZ];
15747 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15748 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15750 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15751 WhiteOnMove(moveNumber) ? " " : ".. ",
15752 parseList[moveNumber]);
15754 if (text != NULL && (appData.autoDisplayComment || commentUp))
15755 CommentPopUp(title, text);
15758 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15759 * might be busy thinking or pondering. It can be omitted if your
15760 * gnuchess is configured to stop thinking immediately on any user
15761 * input. However, that gnuchess feature depends on the FIONREAD
15762 * ioctl, which does not work properly on some flavors of Unix.
15766 ChessProgramState *cps;
15769 if (!cps->useSigint) return;
15770 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15771 switch (gameMode) {
15772 case MachinePlaysWhite:
15773 case MachinePlaysBlack:
15774 case TwoMachinesPlay:
15775 case IcsPlayingWhite:
15776 case IcsPlayingBlack:
15779 /* Skip if we know it isn't thinking */
15780 if (!cps->maybeThinking) return;
15781 if (appData.debugMode)
15782 fprintf(debugFP, "Interrupting %s\n", cps->which);
15783 InterruptChildProcess(cps->pr);
15784 cps->maybeThinking = FALSE;
15789 #endif /*ATTENTION*/
15795 if (whiteTimeRemaining <= 0) {
15798 if (appData.icsActive) {
15799 if (appData.autoCallFlag &&
15800 gameMode == IcsPlayingBlack && !blackFlag) {
15801 SendToICS(ics_prefix);
15802 SendToICS("flag\n");
15806 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15808 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15809 if (appData.autoCallFlag) {
15810 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15817 if (blackTimeRemaining <= 0) {
15820 if (appData.icsActive) {
15821 if (appData.autoCallFlag &&
15822 gameMode == IcsPlayingWhite && !whiteFlag) {
15823 SendToICS(ics_prefix);
15824 SendToICS("flag\n");
15828 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15830 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15831 if (appData.autoCallFlag) {
15832 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15845 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15846 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15849 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15851 if ( !WhiteOnMove(forwardMostMove) ) {
15852 /* White made time control */
15853 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15854 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15855 /* [HGM] time odds: correct new time quota for time odds! */
15856 / WhitePlayer()->timeOdds;
15857 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15859 lastBlack -= blackTimeRemaining;
15860 /* Black made time control */
15861 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15862 / WhitePlayer()->other->timeOdds;
15863 lastWhite = whiteTimeRemaining;
15868 DisplayBothClocks()
15870 int wom = gameMode == EditPosition ?
15871 !blackPlaysFirst : WhiteOnMove(currentMove);
15872 DisplayWhiteClock(whiteTimeRemaining, wom);
15873 DisplayBlackClock(blackTimeRemaining, !wom);
15877 /* Timekeeping seems to be a portability nightmare. I think everyone
15878 has ftime(), but I'm really not sure, so I'm including some ifdefs
15879 to use other calls if you don't. Clocks will be less accurate if
15880 you have neither ftime nor gettimeofday.
15883 /* VS 2008 requires the #include outside of the function */
15884 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15885 #include <sys/timeb.h>
15888 /* Get the current time as a TimeMark */
15893 #if HAVE_GETTIMEOFDAY
15895 struct timeval timeVal;
15896 struct timezone timeZone;
15898 gettimeofday(&timeVal, &timeZone);
15899 tm->sec = (long) timeVal.tv_sec;
15900 tm->ms = (int) (timeVal.tv_usec / 1000L);
15902 #else /*!HAVE_GETTIMEOFDAY*/
15905 // include <sys/timeb.h> / moved to just above start of function
15906 struct timeb timeB;
15909 tm->sec = (long) timeB.time;
15910 tm->ms = (int) timeB.millitm;
15912 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15913 tm->sec = (long) time(NULL);
15919 /* Return the difference in milliseconds between two
15920 time marks. We assume the difference will fit in a long!
15923 SubtractTimeMarks(tm2, tm1)
15924 TimeMark *tm2, *tm1;
15926 return 1000L*(tm2->sec - tm1->sec) +
15927 (long) (tm2->ms - tm1->ms);
15932 * Code to manage the game clocks.
15934 * In tournament play, black starts the clock and then white makes a move.
15935 * We give the human user a slight advantage if he is playing white---the
15936 * clocks don't run until he makes his first move, so it takes zero time.
15937 * Also, we don't account for network lag, so we could get out of sync
15938 * with GNU Chess's clock -- but then, referees are always right.
15941 static TimeMark tickStartTM;
15942 static long intendedTickLength;
15945 NextTickLength(timeRemaining)
15946 long timeRemaining;
15948 long nominalTickLength, nextTickLength;
15950 if (timeRemaining > 0L && timeRemaining <= 10000L)
15951 nominalTickLength = 100L;
15953 nominalTickLength = 1000L;
15954 nextTickLength = timeRemaining % nominalTickLength;
15955 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15957 return nextTickLength;
15960 /* Adjust clock one minute up or down */
15962 AdjustClock(Boolean which, int dir)
15964 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15965 if(which) blackTimeRemaining += 60000*dir;
15966 else whiteTimeRemaining += 60000*dir;
15967 DisplayBothClocks();
15968 adjustedClock = TRUE;
15971 /* Stop clocks and reset to a fresh time control */
15975 (void) StopClockTimer();
15976 if (appData.icsActive) {
15977 whiteTimeRemaining = blackTimeRemaining = 0;
15978 } else if (searchTime) {
15979 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15980 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15981 } else { /* [HGM] correct new time quote for time odds */
15982 whiteTC = blackTC = fullTimeControlString;
15983 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15984 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15986 if (whiteFlag || blackFlag) {
15988 whiteFlag = blackFlag = FALSE;
15990 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15991 DisplayBothClocks();
15992 adjustedClock = FALSE;
15995 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15997 /* Decrement running clock by amount of time that has passed */
16001 long timeRemaining;
16002 long lastTickLength, fudge;
16005 if (!appData.clockMode) return;
16006 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16010 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16012 /* Fudge if we woke up a little too soon */
16013 fudge = intendedTickLength - lastTickLength;
16014 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16016 if (WhiteOnMove(forwardMostMove)) {
16017 if(whiteNPS >= 0) lastTickLength = 0;
16018 timeRemaining = whiteTimeRemaining -= lastTickLength;
16019 if(timeRemaining < 0 && !appData.icsActive) {
16020 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16021 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16022 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16023 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16026 DisplayWhiteClock(whiteTimeRemaining - fudge,
16027 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16029 if(blackNPS >= 0) lastTickLength = 0;
16030 timeRemaining = blackTimeRemaining -= lastTickLength;
16031 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16032 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16034 blackStartMove = forwardMostMove;
16035 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16038 DisplayBlackClock(blackTimeRemaining - fudge,
16039 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16041 if (CheckFlags()) return;
16044 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16045 StartClockTimer(intendedTickLength);
16047 /* if the time remaining has fallen below the alarm threshold, sound the
16048 * alarm. if the alarm has sounded and (due to a takeback or time control
16049 * with increment) the time remaining has increased to a level above the
16050 * threshold, reset the alarm so it can sound again.
16053 if (appData.icsActive && appData.icsAlarm) {
16055 /* make sure we are dealing with the user's clock */
16056 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16057 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16060 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16061 alarmSounded = FALSE;
16062 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16064 alarmSounded = TRUE;
16070 /* A player has just moved, so stop the previously running
16071 clock and (if in clock mode) start the other one.
16072 We redisplay both clocks in case we're in ICS mode, because
16073 ICS gives us an update to both clocks after every move.
16074 Note that this routine is called *after* forwardMostMove
16075 is updated, so the last fractional tick must be subtracted
16076 from the color that is *not* on move now.
16079 SwitchClocks(int newMoveNr)
16081 long lastTickLength;
16083 int flagged = FALSE;
16087 if (StopClockTimer() && appData.clockMode) {
16088 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16089 if (!WhiteOnMove(forwardMostMove)) {
16090 if(blackNPS >= 0) lastTickLength = 0;
16091 blackTimeRemaining -= lastTickLength;
16092 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16093 // if(pvInfoList[forwardMostMove].time == -1)
16094 pvInfoList[forwardMostMove].time = // use GUI time
16095 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16097 if(whiteNPS >= 0) lastTickLength = 0;
16098 whiteTimeRemaining -= lastTickLength;
16099 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16100 // if(pvInfoList[forwardMostMove].time == -1)
16101 pvInfoList[forwardMostMove].time =
16102 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16104 flagged = CheckFlags();
16106 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16107 CheckTimeControl();
16109 if (flagged || !appData.clockMode) return;
16111 switch (gameMode) {
16112 case MachinePlaysBlack:
16113 case MachinePlaysWhite:
16114 case BeginningOfGame:
16115 if (pausing) return;
16119 case PlayFromGameFile:
16127 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16128 if(WhiteOnMove(forwardMostMove))
16129 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16130 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16134 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16135 whiteTimeRemaining : blackTimeRemaining);
16136 StartClockTimer(intendedTickLength);
16140 /* Stop both clocks */
16144 long lastTickLength;
16147 if (!StopClockTimer()) return;
16148 if (!appData.clockMode) return;
16152 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16153 if (WhiteOnMove(forwardMostMove)) {
16154 if(whiteNPS >= 0) lastTickLength = 0;
16155 whiteTimeRemaining -= lastTickLength;
16156 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16158 if(blackNPS >= 0) lastTickLength = 0;
16159 blackTimeRemaining -= lastTickLength;
16160 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16165 /* Start clock of player on move. Time may have been reset, so
16166 if clock is already running, stop and restart it. */
16170 (void) StopClockTimer(); /* in case it was running already */
16171 DisplayBothClocks();
16172 if (CheckFlags()) return;
16174 if (!appData.clockMode) return;
16175 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16177 GetTimeMark(&tickStartTM);
16178 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16179 whiteTimeRemaining : blackTimeRemaining);
16181 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16182 whiteNPS = blackNPS = -1;
16183 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16184 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16185 whiteNPS = first.nps;
16186 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16187 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16188 blackNPS = first.nps;
16189 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16190 whiteNPS = second.nps;
16191 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16192 blackNPS = second.nps;
16193 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16195 StartClockTimer(intendedTickLength);
16202 long second, minute, hour, day;
16204 static char buf[32];
16206 if (ms > 0 && ms <= 9900) {
16207 /* convert milliseconds to tenths, rounding up */
16208 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16210 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16214 /* convert milliseconds to seconds, rounding up */
16215 /* use floating point to avoid strangeness of integer division
16216 with negative dividends on many machines */
16217 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16224 day = second / (60 * 60 * 24);
16225 second = second % (60 * 60 * 24);
16226 hour = second / (60 * 60);
16227 second = second % (60 * 60);
16228 minute = second / 60;
16229 second = second % 60;
16232 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16233 sign, day, hour, minute, second);
16235 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16237 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16244 * This is necessary because some C libraries aren't ANSI C compliant yet.
16247 StrStr(string, match)
16248 char *string, *match;
16252 length = strlen(match);
16254 for (i = strlen(string) - length; i >= 0; i--, string++)
16255 if (!strncmp(match, string, length))
16262 StrCaseStr(string, match)
16263 char *string, *match;
16267 length = strlen(match);
16269 for (i = strlen(string) - length; i >= 0; i--, string++) {
16270 for (j = 0; j < length; j++) {
16271 if (ToLower(match[j]) != ToLower(string[j]))
16274 if (j == length) return string;
16288 c1 = ToLower(*s1++);
16289 c2 = ToLower(*s2++);
16290 if (c1 > c2) return 1;
16291 if (c1 < c2) return -1;
16292 if (c1 == NULLCHAR) return 0;
16301 return isupper(c) ? tolower(c) : c;
16309 return islower(c) ? toupper(c) : c;
16311 #endif /* !_amigados */
16319 if ((ret = (char *) malloc(strlen(s) + 1)))
16321 safeStrCpy(ret, s, strlen(s)+1);
16327 StrSavePtr(s, savePtr)
16328 char *s, **savePtr;
16333 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16334 safeStrCpy(*savePtr, s, strlen(s)+1);
16346 clock = time((time_t *)NULL);
16347 tm = localtime(&clock);
16348 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16349 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16350 return StrSave(buf);
16355 PositionToFEN(move, overrideCastling)
16357 char *overrideCastling;
16359 int i, j, fromX, fromY, toX, toY;
16366 whiteToPlay = (gameMode == EditPosition) ?
16367 !blackPlaysFirst : (move % 2 == 0);
16370 /* Piece placement data */
16371 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16372 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16374 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16375 if (boards[move][i][j] == EmptySquare) {
16377 } else { ChessSquare piece = boards[move][i][j];
16378 if (emptycount > 0) {
16379 if(emptycount<10) /* [HGM] can be >= 10 */
16380 *p++ = '0' + emptycount;
16381 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16384 if(PieceToChar(piece) == '+') {
16385 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16387 piece = (ChessSquare)(DEMOTED piece);
16389 *p++ = PieceToChar(piece);
16391 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16392 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16397 if (emptycount > 0) {
16398 if(emptycount<10) /* [HGM] can be >= 10 */
16399 *p++ = '0' + emptycount;
16400 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16407 /* [HGM] print Crazyhouse or Shogi holdings */
16408 if( gameInfo.holdingsWidth ) {
16409 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16411 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16412 piece = boards[move][i][BOARD_WIDTH-1];
16413 if( piece != EmptySquare )
16414 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16415 *p++ = PieceToChar(piece);
16417 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16418 piece = boards[move][BOARD_HEIGHT-i-1][0];
16419 if( piece != EmptySquare )
16420 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16421 *p++ = PieceToChar(piece);
16424 if( q == p ) *p++ = '-';
16430 *p++ = whiteToPlay ? 'w' : 'b';
16433 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16434 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16436 if(nrCastlingRights) {
16438 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16439 /* [HGM] write directly from rights */
16440 if(boards[move][CASTLING][2] != NoRights &&
16441 boards[move][CASTLING][0] != NoRights )
16442 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16443 if(boards[move][CASTLING][2] != NoRights &&
16444 boards[move][CASTLING][1] != NoRights )
16445 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16446 if(boards[move][CASTLING][5] != NoRights &&
16447 boards[move][CASTLING][3] != NoRights )
16448 *p++ = boards[move][CASTLING][3] + AAA;
16449 if(boards[move][CASTLING][5] != NoRights &&
16450 boards[move][CASTLING][4] != NoRights )
16451 *p++ = boards[move][CASTLING][4] + AAA;
16454 /* [HGM] write true castling rights */
16455 if( nrCastlingRights == 6 ) {
16456 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16457 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16458 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16459 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16460 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16461 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16462 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16463 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16466 if (q == p) *p++ = '-'; /* No castling rights */
16470 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16471 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16472 /* En passant target square */
16473 if (move > backwardMostMove) {
16474 fromX = moveList[move - 1][0] - AAA;
16475 fromY = moveList[move - 1][1] - ONE;
16476 toX = moveList[move - 1][2] - AAA;
16477 toY = moveList[move - 1][3] - ONE;
16478 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16479 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16480 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16482 /* 2-square pawn move just happened */
16484 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16488 } else if(move == backwardMostMove) {
16489 // [HGM] perhaps we should always do it like this, and forget the above?
16490 if((signed char)boards[move][EP_STATUS] >= 0) {
16491 *p++ = boards[move][EP_STATUS] + AAA;
16492 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16503 /* [HGM] find reversible plies */
16504 { int i = 0, j=move;
16506 if (appData.debugMode) { int k;
16507 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16508 for(k=backwardMostMove; k<=forwardMostMove; k++)
16509 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16513 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16514 if( j == backwardMostMove ) i += initialRulePlies;
16515 sprintf(p, "%d ", i);
16516 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16518 /* Fullmove number */
16519 sprintf(p, "%d", (move / 2) + 1);
16521 return StrSave(buf);
16525 ParseFEN(board, blackPlaysFirst, fen)
16527 int *blackPlaysFirst;
16537 /* [HGM] by default clear Crazyhouse holdings, if present */
16538 if(gameInfo.holdingsWidth) {
16539 for(i=0; i<BOARD_HEIGHT; i++) {
16540 board[i][0] = EmptySquare; /* black holdings */
16541 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16542 board[i][1] = (ChessSquare) 0; /* black counts */
16543 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16547 /* Piece placement data */
16548 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16551 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16552 if (*p == '/') p++;
16553 emptycount = gameInfo.boardWidth - j;
16554 while (emptycount--)
16555 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16557 #if(BOARD_FILES >= 10)
16558 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16559 p++; emptycount=10;
16560 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16561 while (emptycount--)
16562 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16564 } else if (isdigit(*p)) {
16565 emptycount = *p++ - '0';
16566 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16567 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16568 while (emptycount--)
16569 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16570 } else if (*p == '+' || isalpha(*p)) {
16571 if (j >= gameInfo.boardWidth) return FALSE;
16573 piece = CharToPiece(*++p);
16574 if(piece == EmptySquare) return FALSE; /* unknown piece */
16575 piece = (ChessSquare) (PROMOTED piece ); p++;
16576 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16577 } else piece = CharToPiece(*p++);
16579 if(piece==EmptySquare) return FALSE; /* unknown piece */
16580 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16581 piece = (ChessSquare) (PROMOTED piece);
16582 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16585 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16591 while (*p == '/' || *p == ' ') p++;
16593 /* [HGM] look for Crazyhouse holdings here */
16594 while(*p==' ') p++;
16595 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16597 if(*p == '-' ) p++; /* empty holdings */ else {
16598 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16599 /* if we would allow FEN reading to set board size, we would */
16600 /* have to add holdings and shift the board read so far here */
16601 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16603 if((int) piece >= (int) BlackPawn ) {
16604 i = (int)piece - (int)BlackPawn;
16605 i = PieceToNumber((ChessSquare)i);
16606 if( i >= gameInfo.holdingsSize ) return FALSE;
16607 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16608 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16610 i = (int)piece - (int)WhitePawn;
16611 i = PieceToNumber((ChessSquare)i);
16612 if( i >= gameInfo.holdingsSize ) return FALSE;
16613 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16614 board[i][BOARD_WIDTH-2]++; /* black holdings */
16621 while(*p == ' ') p++;
16625 if(appData.colorNickNames) {
16626 if( c == appData.colorNickNames[0] ) c = 'w'; else
16627 if( c == appData.colorNickNames[1] ) c = 'b';
16631 *blackPlaysFirst = FALSE;
16634 *blackPlaysFirst = TRUE;
16640 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16641 /* return the extra info in global variiables */
16643 /* set defaults in case FEN is incomplete */
16644 board[EP_STATUS] = EP_UNKNOWN;
16645 for(i=0; i<nrCastlingRights; i++ ) {
16646 board[CASTLING][i] =
16647 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16648 } /* assume possible unless obviously impossible */
16649 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16650 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16651 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16652 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16653 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16654 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16655 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16656 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16659 while(*p==' ') p++;
16660 if(nrCastlingRights) {
16661 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16662 /* castling indicator present, so default becomes no castlings */
16663 for(i=0; i<nrCastlingRights; i++ ) {
16664 board[CASTLING][i] = NoRights;
16667 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16668 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16669 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16670 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16671 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16673 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16674 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16675 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16677 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16678 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16679 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16680 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16681 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16682 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16685 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16686 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16687 board[CASTLING][2] = whiteKingFile;
16690 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16691 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16692 board[CASTLING][2] = whiteKingFile;
16695 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16696 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16697 board[CASTLING][5] = blackKingFile;
16700 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16701 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16702 board[CASTLING][5] = blackKingFile;
16705 default: /* FRC castlings */
16706 if(c >= 'a') { /* black rights */
16707 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16708 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16709 if(i == BOARD_RGHT) break;
16710 board[CASTLING][5] = i;
16712 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16713 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16715 board[CASTLING][3] = c;
16717 board[CASTLING][4] = c;
16718 } else { /* white rights */
16719 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16720 if(board[0][i] == WhiteKing) break;
16721 if(i == BOARD_RGHT) break;
16722 board[CASTLING][2] = i;
16723 c -= AAA - 'a' + 'A';
16724 if(board[0][c] >= WhiteKing) break;
16726 board[CASTLING][0] = c;
16728 board[CASTLING][1] = c;
16732 for(i=0; i<nrCastlingRights; i++)
16733 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16734 if (appData.debugMode) {
16735 fprintf(debugFP, "FEN castling rights:");
16736 for(i=0; i<nrCastlingRights; i++)
16737 fprintf(debugFP, " %d", board[CASTLING][i]);
16738 fprintf(debugFP, "\n");
16741 while(*p==' ') p++;
16744 /* read e.p. field in games that know e.p. capture */
16745 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16746 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16748 p++; board[EP_STATUS] = EP_NONE;
16750 char c = *p++ - AAA;
16752 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16753 if(*p >= '0' && *p <='9') p++;
16754 board[EP_STATUS] = c;
16759 if(sscanf(p, "%d", &i) == 1) {
16760 FENrulePlies = i; /* 50-move ply counter */
16761 /* (The move number is still ignored) */
16768 EditPositionPasteFEN(char *fen)
16771 Board initial_position;
16773 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16774 DisplayError(_("Bad FEN position in clipboard"), 0);
16777 int savedBlackPlaysFirst = blackPlaysFirst;
16778 EditPositionEvent();
16779 blackPlaysFirst = savedBlackPlaysFirst;
16780 CopyBoard(boards[0], initial_position);
16781 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16782 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16783 DisplayBothClocks();
16784 DrawPosition(FALSE, boards[currentMove]);
16789 static char cseq[12] = "\\ ";
16791 Boolean set_cont_sequence(char *new_seq)
16796 // handle bad attempts to set the sequence
16798 return 0; // acceptable error - no debug
16800 len = strlen(new_seq);
16801 ret = (len > 0) && (len < sizeof(cseq));
16803 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16804 else if (appData.debugMode)
16805 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16810 reformat a source message so words don't cross the width boundary. internal
16811 newlines are not removed. returns the wrapped size (no null character unless
16812 included in source message). If dest is NULL, only calculate the size required
16813 for the dest buffer. lp argument indicats line position upon entry, and it's
16814 passed back upon exit.
16816 int wrap(char *dest, char *src, int count, int width, int *lp)
16818 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16820 cseq_len = strlen(cseq);
16821 old_line = line = *lp;
16822 ansi = len = clen = 0;
16824 for (i=0; i < count; i++)
16826 if (src[i] == '\033')
16829 // if we hit the width, back up
16830 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16832 // store i & len in case the word is too long
16833 old_i = i, old_len = len;
16835 // find the end of the last word
16836 while (i && src[i] != ' ' && src[i] != '\n')
16842 // word too long? restore i & len before splitting it
16843 if ((old_i-i+clen) >= width)
16850 if (i && src[i-1] == ' ')
16853 if (src[i] != ' ' && src[i] != '\n')
16860 // now append the newline and continuation sequence
16865 strncpy(dest+len, cseq, cseq_len);
16873 dest[len] = src[i];
16877 if (src[i] == '\n')
16882 if (dest && appData.debugMode)
16884 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16885 count, width, line, len, *lp);
16886 show_bytes(debugFP, src, count);
16887 fprintf(debugFP, "\ndest: ");
16888 show_bytes(debugFP, dest, len);
16889 fprintf(debugFP, "\n");
16891 *lp = dest ? line : old_line;
16896 // [HGM] vari: routines for shelving variations
16897 Boolean modeRestore = FALSE;
16900 PushInner(int firstMove, int lastMove)
16902 int i, j, nrMoves = lastMove - firstMove;
16904 // push current tail of game on stack
16905 savedResult[storedGames] = gameInfo.result;
16906 savedDetails[storedGames] = gameInfo.resultDetails;
16907 gameInfo.resultDetails = NULL;
16908 savedFirst[storedGames] = firstMove;
16909 savedLast [storedGames] = lastMove;
16910 savedFramePtr[storedGames] = framePtr;
16911 framePtr -= nrMoves; // reserve space for the boards
16912 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16913 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16914 for(j=0; j<MOVE_LEN; j++)
16915 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16916 for(j=0; j<2*MOVE_LEN; j++)
16917 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16918 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16919 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16920 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16921 pvInfoList[firstMove+i-1].depth = 0;
16922 commentList[framePtr+i] = commentList[firstMove+i];
16923 commentList[firstMove+i] = NULL;
16927 forwardMostMove = firstMove; // truncate game so we can start variation
16931 PushTail(int firstMove, int lastMove)
16933 if(appData.icsActive) { // only in local mode
16934 forwardMostMove = currentMove; // mimic old ICS behavior
16937 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16939 PushInner(firstMove, lastMove);
16940 if(storedGames == 1) GreyRevert(FALSE);
16941 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16945 PopInner(Boolean annotate)
16948 char buf[8000], moveBuf[20];
16950 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16951 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16952 nrMoves = savedLast[storedGames] - currentMove;
16955 if(!WhiteOnMove(currentMove))
16956 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16957 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16958 for(i=currentMove; i<forwardMostMove; i++) {
16960 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16961 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16962 strcat(buf, moveBuf);
16963 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16964 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16968 for(i=1; i<=nrMoves; i++) { // copy last variation back
16969 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16970 for(j=0; j<MOVE_LEN; j++)
16971 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16972 for(j=0; j<2*MOVE_LEN; j++)
16973 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16974 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16975 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16976 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16977 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16978 commentList[currentMove+i] = commentList[framePtr+i];
16979 commentList[framePtr+i] = NULL;
16981 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16982 framePtr = savedFramePtr[storedGames];
16983 gameInfo.result = savedResult[storedGames];
16984 if(gameInfo.resultDetails != NULL) {
16985 free(gameInfo.resultDetails);
16987 gameInfo.resultDetails = savedDetails[storedGames];
16988 forwardMostMove = currentMove + nrMoves;
16992 PopTail(Boolean annotate)
16994 if(appData.icsActive) return FALSE; // only in local mode
16995 if(!storedGames) return FALSE; // sanity
16996 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16998 PopInner(annotate);
16999 if(currentMove < forwardMostMove) ForwardEvent(); else
17000 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17002 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17008 { // remove all shelved variations
17010 for(i=0; i<storedGames; i++) {
17011 if(savedDetails[i])
17012 free(savedDetails[i]);
17013 savedDetails[i] = NULL;
17015 for(i=framePtr; i<MAX_MOVES; i++) {
17016 if(commentList[i]) free(commentList[i]);
17017 commentList[i] = NULL;
17019 framePtr = MAX_MOVES-1;
17024 LoadVariation(int index, char *text)
17025 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17026 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17027 int level = 0, move;
17029 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17030 // first find outermost bracketing variation
17031 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17032 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17033 if(*p == '{') wait = '}'; else
17034 if(*p == '[') wait = ']'; else
17035 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17036 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17038 if(*p == wait) wait = NULLCHAR; // closing ]} found
17041 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17042 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17043 end[1] = NULLCHAR; // clip off comment beyond variation
17044 ToNrEvent(currentMove-1);
17045 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17046 // kludge: use ParsePV() to append variation to game
17047 move = currentMove;
17048 ParsePV(start, TRUE, TRUE);
17049 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17050 ClearPremoveHighlights();
17052 ToNrEvent(currentMove+1);