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);
6026 int i, j, left=0, right=BOARD_WIDTH;
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 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6035 SendToProgram("edit\n", cps);
6036 SendToProgram("#\n", cps);
6037 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6038 bp = &boards[moveNum][i][left];
6039 for (j = left; j < right; j++, bp++) {
6040 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6041 if ((int) *bp < (int) BlackPawn) {
6042 if(j == BOARD_RGHT+1)
6043 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6044 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6045 if(message[0] == '+' || message[0] == '~') {
6046 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6047 PieceToChar((ChessSquare)(DEMOTED *bp)),
6050 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6051 message[1] = BOARD_RGHT - 1 - j + '1';
6052 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6054 SendToProgram(message, cps);
6059 SendToProgram("c\n", cps);
6060 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6061 bp = &boards[moveNum][i][left];
6062 for (j = left; j < right; j++, bp++) {
6063 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6064 if (((int) *bp != (int) EmptySquare)
6065 && ((int) *bp >= (int) BlackPawn)) {
6066 if(j == BOARD_LEFT-2)
6067 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6068 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6070 if(message[0] == '+' || message[0] == '~') {
6071 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6072 PieceToChar((ChessSquare)(DEMOTED *bp)),
6075 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6076 message[1] = BOARD_RGHT - 1 - j + '1';
6077 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6079 SendToProgram(message, cps);
6084 SendToProgram(".\n", cps);
6086 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6090 DefaultPromoChoice(int white)
6093 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6094 result = WhiteFerz; // no choice
6095 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6096 result= WhiteKing; // in Suicide Q is the last thing we want
6097 else if(gameInfo.variant == VariantSpartan)
6098 result = white ? WhiteQueen : WhiteAngel;
6099 else result = WhiteQueen;
6100 if(!white) result = WHITE_TO_BLACK result;
6104 static int autoQueen; // [HGM] oneclick
6107 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6109 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6110 /* [HGM] add Shogi promotions */
6111 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6116 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6117 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6119 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6120 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6123 piece = boards[currentMove][fromY][fromX];
6124 if(gameInfo.variant == VariantShogi) {
6125 promotionZoneSize = BOARD_HEIGHT/3;
6126 highestPromotingPiece = (int)WhiteFerz;
6127 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6128 promotionZoneSize = 3;
6131 // Treat Lance as Pawn when it is not representing Amazon
6132 if(gameInfo.variant != VariantSuper) {
6133 if(piece == WhiteLance) piece = WhitePawn; else
6134 if(piece == BlackLance) piece = BlackPawn;
6137 // next weed out all moves that do not touch the promotion zone at all
6138 if((int)piece >= BlackPawn) {
6139 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6141 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6143 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6144 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6147 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6149 // weed out mandatory Shogi promotions
6150 if(gameInfo.variant == VariantShogi) {
6151 if(piece >= BlackPawn) {
6152 if(toY == 0 && piece == BlackPawn ||
6153 toY == 0 && piece == BlackQueen ||
6154 toY <= 1 && piece == BlackKnight) {
6159 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6160 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6161 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6168 // weed out obviously illegal Pawn moves
6169 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6170 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6171 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6172 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6173 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6174 // note we are not allowed to test for valid (non-)capture, due to premove
6177 // we either have a choice what to promote to, or (in Shogi) whether to promote
6178 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6179 *promoChoice = PieceToChar(BlackFerz); // no choice
6182 // no sense asking what we must promote to if it is going to explode...
6183 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6184 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6187 // give caller the default choice even if we will not make it
6188 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6189 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6190 if( sweepSelect && gameInfo.variant != VariantGreat
6191 && gameInfo.variant != VariantGrand
6192 && gameInfo.variant != VariantSuper) return FALSE;
6193 if(autoQueen) return FALSE; // predetermined
6195 // suppress promotion popup on illegal moves that are not premoves
6196 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6197 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6198 if(appData.testLegality && !premove) {
6199 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6200 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6201 if(moveType != WhitePromotion && moveType != BlackPromotion)
6209 InPalace(row, column)
6211 { /* [HGM] for Xiangqi */
6212 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6213 column < (BOARD_WIDTH + 4)/2 &&
6214 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6219 PieceForSquare (x, y)
6223 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6226 return boards[currentMove][y][x];
6230 OKToStartUserMove(x, y)
6233 ChessSquare from_piece;
6236 if (matchMode) return FALSE;
6237 if (gameMode == EditPosition) return TRUE;
6239 if (x >= 0 && y >= 0)
6240 from_piece = boards[currentMove][y][x];
6242 from_piece = EmptySquare;
6244 if (from_piece == EmptySquare) return FALSE;
6246 white_piece = (int)from_piece >= (int)WhitePawn &&
6247 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6251 case TwoMachinesPlay:
6259 case MachinePlaysWhite:
6260 case IcsPlayingBlack:
6261 if (appData.zippyPlay) return FALSE;
6263 DisplayMoveError(_("You are playing Black"));
6268 case MachinePlaysBlack:
6269 case IcsPlayingWhite:
6270 if (appData.zippyPlay) return FALSE;
6272 DisplayMoveError(_("You are playing White"));
6277 case PlayFromGameFile:
6278 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6280 if (!white_piece && WhiteOnMove(currentMove)) {
6281 DisplayMoveError(_("It is White's turn"));
6284 if (white_piece && !WhiteOnMove(currentMove)) {
6285 DisplayMoveError(_("It is Black's turn"));
6288 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6289 /* Editing correspondence game history */
6290 /* Could disallow this or prompt for confirmation */
6295 case BeginningOfGame:
6296 if (appData.icsActive) return FALSE;
6297 if (!appData.noChessProgram) {
6299 DisplayMoveError(_("You are playing White"));
6306 if (!white_piece && WhiteOnMove(currentMove)) {
6307 DisplayMoveError(_("It is White's turn"));
6310 if (white_piece && !WhiteOnMove(currentMove)) {
6311 DisplayMoveError(_("It is Black's turn"));
6320 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6321 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6322 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6323 && gameMode != AnalyzeFile && gameMode != Training) {
6324 DisplayMoveError(_("Displayed position is not current"));
6331 OnlyMove(int *x, int *y, Boolean captures) {
6332 DisambiguateClosure cl;
6333 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6335 case MachinePlaysBlack:
6336 case IcsPlayingWhite:
6337 case BeginningOfGame:
6338 if(!WhiteOnMove(currentMove)) return FALSE;
6340 case MachinePlaysWhite:
6341 case IcsPlayingBlack:
6342 if(WhiteOnMove(currentMove)) return FALSE;
6349 cl.pieceIn = EmptySquare;
6354 cl.promoCharIn = NULLCHAR;
6355 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6356 if( cl.kind == NormalMove ||
6357 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6358 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6359 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6366 if(cl.kind != ImpossibleMove) return FALSE;
6367 cl.pieceIn = EmptySquare;
6372 cl.promoCharIn = NULLCHAR;
6373 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6374 if( cl.kind == NormalMove ||
6375 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6376 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6377 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6382 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6388 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6389 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6390 int lastLoadGameUseList = FALSE;
6391 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6392 ChessMove lastLoadGameStart = EndOfFile;
6395 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6396 int fromX, fromY, toX, toY;
6400 ChessSquare pdown, pup;
6402 /* Check if the user is playing in turn. This is complicated because we
6403 let the user "pick up" a piece before it is his turn. So the piece he
6404 tried to pick up may have been captured by the time he puts it down!
6405 Therefore we use the color the user is supposed to be playing in this
6406 test, not the color of the piece that is currently on the starting
6407 square---except in EditGame mode, where the user is playing both
6408 sides; fortunately there the capture race can't happen. (It can
6409 now happen in IcsExamining mode, but that's just too bad. The user
6410 will get a somewhat confusing message in that case.)
6415 case TwoMachinesPlay:
6419 /* We switched into a game mode where moves are not accepted,
6420 perhaps while the mouse button was down. */
6423 case MachinePlaysWhite:
6424 /* User is moving for Black */
6425 if (WhiteOnMove(currentMove)) {
6426 DisplayMoveError(_("It is White's turn"));
6431 case MachinePlaysBlack:
6432 /* User is moving for White */
6433 if (!WhiteOnMove(currentMove)) {
6434 DisplayMoveError(_("It is Black's turn"));
6439 case PlayFromGameFile:
6440 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6443 case BeginningOfGame:
6446 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6447 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6448 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6449 /* User is moving for Black */
6450 if (WhiteOnMove(currentMove)) {
6451 DisplayMoveError(_("It is White's turn"));
6455 /* User is moving for White */
6456 if (!WhiteOnMove(currentMove)) {
6457 DisplayMoveError(_("It is Black's turn"));
6463 case IcsPlayingBlack:
6464 /* User is moving for Black */
6465 if (WhiteOnMove(currentMove)) {
6466 if (!appData.premove) {
6467 DisplayMoveError(_("It is White's turn"));
6468 } else if (toX >= 0 && toY >= 0) {
6471 premoveFromX = fromX;
6472 premoveFromY = fromY;
6473 premovePromoChar = promoChar;
6475 if (appData.debugMode)
6476 fprintf(debugFP, "Got premove: fromX %d,"
6477 "fromY %d, toX %d, toY %d\n",
6478 fromX, fromY, toX, toY);
6484 case IcsPlayingWhite:
6485 /* User is moving for White */
6486 if (!WhiteOnMove(currentMove)) {
6487 if (!appData.premove) {
6488 DisplayMoveError(_("It is Black's turn"));
6489 } else if (toX >= 0 && toY >= 0) {
6492 premoveFromX = fromX;
6493 premoveFromY = fromY;
6494 premovePromoChar = promoChar;
6496 if (appData.debugMode)
6497 fprintf(debugFP, "Got premove: fromX %d,"
6498 "fromY %d, toX %d, toY %d\n",
6499 fromX, fromY, toX, toY);
6509 /* EditPosition, empty square, or different color piece;
6510 click-click move is possible */
6511 if (toX == -2 || toY == -2) {
6512 boards[0][fromY][fromX] = EmptySquare;
6513 DrawPosition(FALSE, boards[currentMove]);
6515 } else if (toX >= 0 && toY >= 0) {
6516 boards[0][toY][toX] = boards[0][fromY][fromX];
6517 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6518 if(boards[0][fromY][0] != EmptySquare) {
6519 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6520 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6523 if(fromX == BOARD_RGHT+1) {
6524 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6525 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6526 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6529 boards[0][fromY][fromX] = EmptySquare;
6530 DrawPosition(FALSE, boards[currentMove]);
6536 if(toX < 0 || toY < 0) return;
6537 pdown = boards[currentMove][fromY][fromX];
6538 pup = boards[currentMove][toY][toX];
6540 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6541 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6542 if( pup != EmptySquare ) return;
6543 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6544 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6545 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6546 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6547 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6548 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6549 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6553 /* [HGM] always test for legality, to get promotion info */
6554 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6555 fromY, fromX, toY, toX, promoChar);
6557 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6559 /* [HGM] but possibly ignore an IllegalMove result */
6560 if (appData.testLegality) {
6561 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6562 DisplayMoveError(_("Illegal move"));
6567 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6570 /* Common tail of UserMoveEvent and DropMenuEvent */
6572 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6574 int fromX, fromY, toX, toY;
6575 /*char*/int promoChar;
6579 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6580 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6581 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6582 if(WhiteOnMove(currentMove)) {
6583 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6585 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6589 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6590 move type in caller when we know the move is a legal promotion */
6591 if(moveType == NormalMove && promoChar)
6592 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6594 /* [HGM] <popupFix> The following if has been moved here from
6595 UserMoveEvent(). Because it seemed to belong here (why not allow
6596 piece drops in training games?), and because it can only be
6597 performed after it is known to what we promote. */
6598 if (gameMode == Training) {
6599 /* compare the move played on the board to the next move in the
6600 * game. If they match, display the move and the opponent's response.
6601 * If they don't match, display an error message.
6605 CopyBoard(testBoard, boards[currentMove]);
6606 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6608 if (CompareBoards(testBoard, boards[currentMove+1])) {
6609 ForwardInner(currentMove+1);
6611 /* Autoplay the opponent's response.
6612 * if appData.animate was TRUE when Training mode was entered,
6613 * the response will be animated.
6615 saveAnimate = appData.animate;
6616 appData.animate = animateTraining;
6617 ForwardInner(currentMove+1);
6618 appData.animate = saveAnimate;
6620 /* check for the end of the game */
6621 if (currentMove >= forwardMostMove) {
6622 gameMode = PlayFromGameFile;
6624 SetTrainingModeOff();
6625 DisplayInformation(_("End of game"));
6628 DisplayError(_("Incorrect move"), 0);
6633 /* Ok, now we know that the move is good, so we can kill
6634 the previous line in Analysis Mode */
6635 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6636 && currentMove < forwardMostMove) {
6637 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6638 else forwardMostMove = currentMove;
6641 /* If we need the chess program but it's dead, restart it */
6642 ResurrectChessProgram();
6644 /* A user move restarts a paused game*/
6648 thinkOutput[0] = NULLCHAR;
6650 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6652 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6653 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6657 if (gameMode == BeginningOfGame) {
6658 if (appData.noChessProgram) {
6659 gameMode = EditGame;
6663 gameMode = MachinePlaysBlack;
6666 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
6668 if (first.sendName) {
6669 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6670 SendToProgram(buf, &first);
6677 /* Relay move to ICS or chess engine */
6678 if (appData.icsActive) {
6679 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6680 gameMode == IcsExamining) {
6681 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6682 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6684 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6686 // also send plain move, in case ICS does not understand atomic claims
6687 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6691 if (first.sendTime && (gameMode == BeginningOfGame ||
6692 gameMode == MachinePlaysWhite ||
6693 gameMode == MachinePlaysBlack)) {
6694 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6696 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6697 // [HGM] book: if program might be playing, let it use book
6698 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6699 first.maybeThinking = TRUE;
6700 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6701 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6702 SendBoard(&first, currentMove+1);
6703 } else SendMoveToProgram(forwardMostMove-1, &first);
6704 if (currentMove == cmailOldMove + 1) {
6705 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6709 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6713 if(appData.testLegality)
6714 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6720 if (WhiteOnMove(currentMove)) {
6721 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6723 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6727 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6732 case MachinePlaysBlack:
6733 case MachinePlaysWhite:
6734 /* disable certain menu options while machine is thinking */
6735 SetMachineThinkingEnables();
6742 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6743 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6745 if(bookHit) { // [HGM] book: simulate book reply
6746 static char bookMove[MSG_SIZ]; // a bit generous?
6748 programStats.nodes = programStats.depth = programStats.time =
6749 programStats.score = programStats.got_only_move = 0;
6750 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6752 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6753 strcat(bookMove, bookHit);
6754 HandleMachineMove(bookMove, &first);
6760 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6767 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6768 Markers *m = (Markers *) closure;
6769 if(rf == fromY && ff == fromX)
6770 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6771 || kind == WhiteCapturesEnPassant
6772 || kind == BlackCapturesEnPassant);
6773 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6777 MarkTargetSquares(int clear)
6780 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6781 !appData.testLegality || gameMode == EditPosition) return;
6783 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6786 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6787 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6788 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6790 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6793 DrawPosition(TRUE, NULL);
6797 Explode(Board board, int fromX, int fromY, int toX, int toY)
6799 if(gameInfo.variant == VariantAtomic &&
6800 (board[toY][toX] != EmptySquare || // capture?
6801 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6802 board[fromY][fromX] == BlackPawn )
6804 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6810 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6812 int CanPromote(ChessSquare piece, int y)
6814 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6815 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6816 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6817 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6818 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6819 gameInfo.variant == VariantMakruk) return FALSE;
6820 return (piece == BlackPawn && y == 1 ||
6821 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6822 piece == BlackLance && y == 1 ||
6823 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6826 void LeftClick(ClickType clickType, int xPix, int yPix)
6829 Boolean saveAnimate;
6830 static int second = 0, promotionChoice = 0, clearFlag = 0;
6831 char promoChoice = NULLCHAR;
6834 if(appData.seekGraph && appData.icsActive && loggedOn &&
6835 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6836 SeekGraphClick(clickType, xPix, yPix, 0);
6840 if (clickType == Press) ErrorPopDown();
6842 x = EventToSquare(xPix, BOARD_WIDTH);
6843 y = EventToSquare(yPix, BOARD_HEIGHT);
6844 if (!flipView && y >= 0) {
6845 y = BOARD_HEIGHT - 1 - y;
6847 if (flipView && x >= 0) {
6848 x = BOARD_WIDTH - 1 - x;
6851 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6852 defaultPromoChoice = promoSweep;
6853 promoSweep = EmptySquare; // terminate sweep
6854 promoDefaultAltered = TRUE;
6855 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6858 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6859 if(clickType == Release) return; // ignore upclick of click-click destination
6860 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6861 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6862 if(gameInfo.holdingsWidth &&
6863 (WhiteOnMove(currentMove)
6864 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6865 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6866 // click in right holdings, for determining promotion piece
6867 ChessSquare p = boards[currentMove][y][x];
6868 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6869 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6870 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6871 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6876 DrawPosition(FALSE, boards[currentMove]);
6880 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6881 if(clickType == Press
6882 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6883 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6884 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6887 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6888 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6890 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6891 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6892 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6893 defaultPromoChoice = DefaultPromoChoice(side);
6896 autoQueen = appData.alwaysPromoteToQueen;
6900 gatingPiece = EmptySquare;
6901 if (clickType != Press) {
6902 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6903 DragPieceEnd(xPix, yPix); dragging = 0;
6904 DrawPosition(FALSE, NULL);
6908 fromX = x; fromY = y; toX = toY = -1;
6909 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6910 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6911 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6913 if (OKToStartUserMove(fromX, fromY)) {
6915 MarkTargetSquares(0);
6916 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6917 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6918 promoSweep = defaultPromoChoice;
6919 selectFlag = 0; lastX = xPix; lastY = yPix;
6920 Sweep(0); // Pawn that is going to promote: preview promotion piece
6921 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6923 if (appData.highlightDragging) {
6924 SetHighlights(fromX, fromY, -1, -1);
6926 } else fromX = fromY = -1;
6932 if (clickType == Press && gameMode != EditPosition) {
6937 // ignore off-board to clicks
6938 if(y < 0 || x < 0) return;
6940 /* Check if clicking again on the same color piece */
6941 fromP = boards[currentMove][fromY][fromX];
6942 toP = boards[currentMove][y][x];
6943 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6944 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6945 WhitePawn <= toP && toP <= WhiteKing &&
6946 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6947 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6948 (BlackPawn <= fromP && fromP <= BlackKing &&
6949 BlackPawn <= toP && toP <= BlackKing &&
6950 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6951 !(fromP == BlackKing && toP == BlackRook && frc))) {
6952 /* Clicked again on same color piece -- changed his mind */
6953 second = (x == fromX && y == fromY);
6954 promoDefaultAltered = FALSE;
6955 MarkTargetSquares(1);
6956 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6957 if (appData.highlightDragging) {
6958 SetHighlights(x, y, -1, -1);
6962 if (OKToStartUserMove(x, y)) {
6963 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6964 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6965 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6966 gatingPiece = boards[currentMove][fromY][fromX];
6967 else gatingPiece = EmptySquare;
6969 fromY = y; dragging = 1;
6970 MarkTargetSquares(0);
6971 DragPieceBegin(xPix, yPix, FALSE);
6972 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6973 promoSweep = defaultPromoChoice;
6974 selectFlag = 0; lastX = xPix; lastY = yPix;
6975 Sweep(0); // Pawn that is going to promote: preview promotion piece
6979 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6982 // ignore clicks on holdings
6983 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6986 if (clickType == Release && x == fromX && y == fromY) {
6987 DragPieceEnd(xPix, yPix); dragging = 0;
6989 // a deferred attempt to click-click move an empty square on top of a piece
6990 boards[currentMove][y][x] = EmptySquare;
6992 DrawPosition(FALSE, boards[currentMove]);
6993 fromX = fromY = -1; clearFlag = 0;
6996 if (appData.animateDragging) {
6997 /* Undo animation damage if any */
6998 DrawPosition(FALSE, NULL);
7001 /* Second up/down in same square; just abort move */
7004 gatingPiece = EmptySquare;
7007 ClearPremoveHighlights();
7009 /* First upclick in same square; start click-click mode */
7010 SetHighlights(x, y, -1, -1);
7017 /* we now have a different from- and (possibly off-board) to-square */
7018 /* Completed move */
7021 saveAnimate = appData.animate;
7022 MarkTargetSquares(1);
7023 if (clickType == Press) {
7024 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7025 // must be Edit Position mode with empty-square selected
7026 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7027 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7030 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7031 ChessSquare piece = boards[currentMove][fromY][fromX];
7032 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7033 promoSweep = defaultPromoChoice;
7034 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7035 selectFlag = 0; lastX = xPix; lastY = yPix;
7036 Sweep(0); // Pawn that is going to promote: preview promotion piece
7037 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7038 DrawPosition(FALSE, boards[currentMove]);
7041 /* Finish clickclick move */
7042 if (appData.animate || appData.highlightLastMove) {
7043 SetHighlights(fromX, fromY, toX, toY);
7048 /* Finish drag move */
7049 if (appData.highlightLastMove) {
7050 SetHighlights(fromX, fromY, toX, toY);
7054 DragPieceEnd(xPix, yPix); dragging = 0;
7055 /* Don't animate move and drag both */
7056 appData.animate = FALSE;
7059 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7060 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7061 ChessSquare piece = boards[currentMove][fromY][fromX];
7062 if(gameMode == EditPosition && piece != EmptySquare &&
7063 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7066 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7067 n = PieceToNumber(piece - (int)BlackPawn);
7068 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7069 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7070 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7072 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7073 n = PieceToNumber(piece);
7074 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7075 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7076 boards[currentMove][n][BOARD_WIDTH-2]++;
7078 boards[currentMove][fromY][fromX] = EmptySquare;
7082 DrawPosition(TRUE, boards[currentMove]);
7086 // off-board moves should not be highlighted
7087 if(x < 0 || y < 0) ClearHighlights();
7089 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7091 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7092 SetHighlights(fromX, fromY, toX, toY);
7093 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7094 // [HGM] super: promotion to captured piece selected from holdings
7095 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7096 promotionChoice = TRUE;
7097 // kludge follows to temporarily execute move on display, without promoting yet
7098 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7099 boards[currentMove][toY][toX] = p;
7100 DrawPosition(FALSE, boards[currentMove]);
7101 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7102 boards[currentMove][toY][toX] = q;
7103 DisplayMessage("Click in holdings to choose piece", "");
7108 int oldMove = currentMove;
7109 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7110 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7111 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7112 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7113 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7114 DrawPosition(TRUE, boards[currentMove]);
7117 appData.animate = saveAnimate;
7118 if (appData.animate || appData.animateDragging) {
7119 /* Undo animation damage if needed */
7120 DrawPosition(FALSE, NULL);
7124 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7125 { // front-end-free part taken out of PieceMenuPopup
7126 int whichMenu; int xSqr, ySqr;
7128 if(seekGraphUp) { // [HGM] seekgraph
7129 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7130 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7134 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7135 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7136 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7137 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7138 if(action == Press) {
7139 originalFlip = flipView;
7140 flipView = !flipView; // temporarily flip board to see game from partners perspective
7141 DrawPosition(TRUE, partnerBoard);
7142 DisplayMessage(partnerStatus, "");
7144 } else if(action == Release) {
7145 flipView = originalFlip;
7146 DrawPosition(TRUE, boards[currentMove]);
7152 xSqr = EventToSquare(x, BOARD_WIDTH);
7153 ySqr = EventToSquare(y, BOARD_HEIGHT);
7154 if (action == Release) {
7155 if(pieceSweep != EmptySquare) {
7156 EditPositionMenuEvent(pieceSweep, toX, toY);
7157 pieceSweep = EmptySquare;
7158 } else UnLoadPV(); // [HGM] pv
7160 if (action != Press) return -2; // return code to be ignored
7163 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7165 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7166 if (xSqr < 0 || ySqr < 0) return -1;
7167 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7168 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7169 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7170 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7174 if(!appData.icsEngineAnalyze) return -1;
7175 case IcsPlayingWhite:
7176 case IcsPlayingBlack:
7177 if(!appData.zippyPlay) goto noZip;
7180 case MachinePlaysWhite:
7181 case MachinePlaysBlack:
7182 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7183 if (!appData.dropMenu) {
7185 return 2; // flag front-end to grab mouse events
7187 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7188 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7191 if (xSqr < 0 || ySqr < 0) return -1;
7192 if (!appData.dropMenu || appData.testLegality &&
7193 gameInfo.variant != VariantBughouse &&
7194 gameInfo.variant != VariantCrazyhouse) return -1;
7195 whichMenu = 1; // drop menu
7201 if (((*fromX = xSqr) < 0) ||
7202 ((*fromY = ySqr) < 0)) {
7203 *fromX = *fromY = -1;
7207 *fromX = BOARD_WIDTH - 1 - *fromX;
7209 *fromY = BOARD_HEIGHT - 1 - *fromY;
7214 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7216 // char * hint = lastHint;
7217 FrontEndProgramStats stats;
7219 stats.which = cps == &first ? 0 : 1;
7220 stats.depth = cpstats->depth;
7221 stats.nodes = cpstats->nodes;
7222 stats.score = cpstats->score;
7223 stats.time = cpstats->time;
7224 stats.pv = cpstats->movelist;
7225 stats.hint = lastHint;
7226 stats.an_move_index = 0;
7227 stats.an_move_count = 0;
7229 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7230 stats.hint = cpstats->move_name;
7231 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7232 stats.an_move_count = cpstats->nr_moves;
7235 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
7237 SetProgramStats( &stats );
7241 ClearEngineOutputPane(int which)
7243 static FrontEndProgramStats dummyStats;
7244 dummyStats.which = which;
7245 dummyStats.pv = "#";
7246 SetProgramStats( &dummyStats );
7249 #define MAXPLAYERS 500
7252 TourneyStandings(int display)
7254 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7255 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7256 char result, *p, *names[MAXPLAYERS];
7258 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7259 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7260 names[0] = p = strdup(appData.participants);
7261 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7263 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7265 while(result = appData.results[nr]) {
7266 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7267 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7268 wScore = bScore = 0;
7270 case '+': wScore = 2; break;
7271 case '-': bScore = 2; break;
7272 case '=': wScore = bScore = 1; break;
7274 case '*': return strdup("busy"); // tourney not finished
7282 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7283 for(w=0; w<nPlayers; w++) {
7285 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7286 ranking[w] = b; points[w] = bScore; score[b] = -2;
7288 p = malloc(nPlayers*34+1);
7289 for(w=0; w<nPlayers && w<display; w++)
7290 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7296 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7297 { // count all piece types
7299 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7300 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7301 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7304 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7305 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7306 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7307 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7308 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7309 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7314 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7316 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7317 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7319 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7320 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7321 if(myPawns == 2 && nMine == 3) // KPP
7322 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7323 if(myPawns == 1 && nMine == 2) // KP
7324 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7325 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7326 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7327 if(myPawns) return FALSE;
7328 if(pCnt[WhiteRook+side])
7329 return pCnt[BlackRook-side] ||
7330 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7331 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7332 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7333 if(pCnt[WhiteCannon+side]) {
7334 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7335 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7337 if(pCnt[WhiteKnight+side])
7338 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7343 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7345 VariantClass v = gameInfo.variant;
7347 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7348 if(v == VariantShatranj) return TRUE; // always winnable through baring
7349 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7350 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7352 if(v == VariantXiangqi) {
7353 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7355 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7356 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7357 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7358 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7359 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7360 if(stale) // we have at least one last-rank P plus perhaps C
7361 return majors // KPKX
7362 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7364 return pCnt[WhiteFerz+side] // KCAK
7365 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7366 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7367 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7369 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7370 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7372 if(nMine == 1) return FALSE; // bare King
7373 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
7374 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7375 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7376 // by now we have King + 1 piece (or multiple Bishops on the same color)
7377 if(pCnt[WhiteKnight+side])
7378 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7379 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7380 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7382 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7383 if(pCnt[WhiteAlfil+side])
7384 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7385 if(pCnt[WhiteWazir+side])
7386 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7393 CompareWithRights(Board b1, Board b2)
7396 if(!CompareBoards(b1, b2)) return FALSE;
7397 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7398 /* compare castling rights */
7399 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7400 rights++; /* King lost rights, while rook still had them */
7401 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7402 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7403 rights++; /* but at least one rook lost them */
7405 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7407 if( b1[CASTLING][5] != NoRights ) {
7408 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7415 Adjudicate(ChessProgramState *cps)
7416 { // [HGM] some adjudications useful with buggy engines
7417 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7418 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7419 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7420 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7421 int k, count = 0; static int bare = 1;
7422 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7423 Boolean canAdjudicate = !appData.icsActive;
7425 // most tests only when we understand the game, i.e. legality-checking on
7426 if( appData.testLegality )
7427 { /* [HGM] Some more adjudications for obstinate engines */
7428 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7429 static int moveCount = 6;
7431 char *reason = NULL;
7433 /* Count what is on board. */
7434 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7436 /* Some material-based adjudications that have to be made before stalemate test */
7437 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7438 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7439 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7440 if(canAdjudicate && appData.checkMates) {
7442 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7443 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7444 "Xboard adjudication: King destroyed", GE_XBOARD );
7449 /* Bare King in Shatranj (loses) or Losers (wins) */
7450 if( nrW == 1 || nrB == 1) {
7451 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7452 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7453 if(canAdjudicate && appData.checkMates) {
7455 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7456 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7457 "Xboard adjudication: Bare king", GE_XBOARD );
7461 if( gameInfo.variant == VariantShatranj && --bare < 0)
7463 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7464 if(canAdjudicate && appData.checkMates) {
7465 /* but only adjudicate if adjudication enabled */
7467 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7468 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7469 "Xboard adjudication: Bare king", GE_XBOARD );
7476 // don't wait for engine to announce game end if we can judge ourselves
7477 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7479 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7480 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7481 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7482 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7485 reason = "Xboard adjudication: 3rd check";
7486 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7496 reason = "Xboard adjudication: Stalemate";
7497 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7498 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7499 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7500 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7501 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7502 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7503 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7504 EP_CHECKMATE : EP_WINS);
7505 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7506 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7510 reason = "Xboard adjudication: Checkmate";
7511 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7515 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7517 result = GameIsDrawn; break;
7519 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7521 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7525 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7527 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7528 GameEnds( result, reason, GE_XBOARD );
7532 /* Next absolutely insufficient mating material. */
7533 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7534 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7535 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7537 /* always flag draws, for judging claims */
7538 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7540 if(canAdjudicate && appData.materialDraws) {
7541 /* but only adjudicate them if adjudication enabled */
7542 if(engineOpponent) {
7543 SendToProgram("force\n", engineOpponent); // suppress reply
7544 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7546 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7551 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7552 if(gameInfo.variant == VariantXiangqi ?
7553 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7555 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7556 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7557 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7558 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7560 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7561 { /* if the first 3 moves do not show a tactical win, declare draw */
7562 if(engineOpponent) {
7563 SendToProgram("force\n", engineOpponent); // suppress reply
7564 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7566 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7569 } else moveCount = 6;
7571 if (appData.debugMode) { int i;
7572 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7573 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7574 appData.drawRepeats);
7575 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7576 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7580 // Repetition draws and 50-move rule can be applied independently of legality testing
7582 /* Check for rep-draws */
7584 for(k = forwardMostMove-2;
7585 k>=backwardMostMove && k>=forwardMostMove-100 &&
7586 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7587 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7590 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7591 /* compare castling rights */
7592 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7593 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7594 rights++; /* King lost rights, while rook still had them */
7595 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7596 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7597 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7598 rights++; /* but at least one rook lost them */
7600 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7601 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7603 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7604 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7605 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7608 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7609 && appData.drawRepeats > 1) {
7610 /* adjudicate after user-specified nr of repeats */
7611 int result = GameIsDrawn;
7612 char *details = "XBoard adjudication: repetition draw";
7613 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7614 // [HGM] xiangqi: check for forbidden perpetuals
7615 int m, ourPerpetual = 1, hisPerpetual = 1;
7616 for(m=forwardMostMove; m>k; m-=2) {
7617 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7618 ourPerpetual = 0; // the current mover did not always check
7619 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7620 hisPerpetual = 0; // the opponent did not always check
7622 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7623 ourPerpetual, hisPerpetual);
7624 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7625 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7626 details = "Xboard adjudication: perpetual checking";
7628 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7629 break; // (or we would have caught him before). Abort repetition-checking loop.
7631 // Now check for perpetual chases
7632 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7633 hisPerpetual = PerpetualChase(k, forwardMostMove);
7634 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7635 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7636 static char resdet[MSG_SIZ];
7637 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7639 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7641 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7642 break; // Abort repetition-checking loop.
7644 // if neither of us is checking or chasing all the time, or both are, it is draw
7646 if(engineOpponent) {
7647 SendToProgram("force\n", engineOpponent); // suppress reply
7648 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7650 GameEnds( result, details, GE_XBOARD );
7653 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7654 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7658 /* Now we test for 50-move draws. Determine ply count */
7659 count = forwardMostMove;
7660 /* look for last irreversble move */
7661 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7663 /* if we hit starting position, add initial plies */
7664 if( count == backwardMostMove )
7665 count -= initialRulePlies;
7666 count = forwardMostMove - count;
7667 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7668 // adjust reversible move counter for checks in Xiangqi
7669 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7670 if(i < backwardMostMove) i = backwardMostMove;
7671 while(i <= forwardMostMove) {
7672 lastCheck = inCheck; // check evasion does not count
7673 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7674 if(inCheck || lastCheck) count--; // check does not count
7679 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7680 /* this is used to judge if draw claims are legal */
7681 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7682 if(engineOpponent) {
7683 SendToProgram("force\n", engineOpponent); // suppress reply
7684 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7686 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7690 /* if draw offer is pending, treat it as a draw claim
7691 * when draw condition present, to allow engines a way to
7692 * claim draws before making their move to avoid a race
7693 * condition occurring after their move
7695 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7697 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7698 p = "Draw claim: 50-move rule";
7699 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7700 p = "Draw claim: 3-fold repetition";
7701 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7702 p = "Draw claim: insufficient mating material";
7703 if( p != NULL && canAdjudicate) {
7704 if(engineOpponent) {
7705 SendToProgram("force\n", engineOpponent); // suppress reply
7706 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7708 GameEnds( GameIsDrawn, p, GE_XBOARD );
7713 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7714 if(engineOpponent) {
7715 SendToProgram("force\n", engineOpponent); // suppress reply
7716 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7718 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7724 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7725 { // [HGM] book: this routine intercepts moves to simulate book replies
7726 char *bookHit = NULL;
7728 //first determine if the incoming move brings opponent into his book
7729 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7730 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7731 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7732 if(bookHit != NULL && !cps->bookSuspend) {
7733 // make sure opponent is not going to reply after receiving move to book position
7734 SendToProgram("force\n", cps);
7735 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7737 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7738 // now arrange restart after book miss
7740 // after a book hit we never send 'go', and the code after the call to this routine
7741 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7742 char buf[MSG_SIZ], *move = bookHit;
7744 int fromX, fromY, toX, toY;
7748 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7749 &fromX, &fromY, &toX, &toY, &promoChar)) {
7750 (void) CoordsToAlgebraic(boards[forwardMostMove],
7751 PosFlags(forwardMostMove),
7752 fromY, fromX, toY, toX, promoChar, move);
7754 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7758 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7759 SendToProgram(buf, cps);
7760 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7761 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7762 SendToProgram("go\n", cps);
7763 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7764 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7765 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7766 SendToProgram("go\n", cps);
7767 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7769 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7773 ChessProgramState *savedState;
7774 void DeferredBookMove(void)
7776 if(savedState->lastPing != savedState->lastPong)
7777 ScheduleDelayedEvent(DeferredBookMove, 10);
7779 HandleMachineMove(savedMessage, savedState);
7782 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7785 HandleMachineMove(message, cps)
7787 ChessProgramState *cps;
7789 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7790 char realname[MSG_SIZ];
7791 int fromX, fromY, toX, toY;
7798 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7799 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7800 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7801 DisplayError(_("Invalid pairing from pairing engine"), 0);
7804 pairingReceived = 1;
7806 return; // Skim the pairing messages here.
7811 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7813 * Kludge to ignore BEL characters
7815 while (*message == '\007') message++;
7818 * [HGM] engine debug message: ignore lines starting with '#' character
7820 if(cps->debug && *message == '#') return;
7823 * Look for book output
7825 if (cps == &first && bookRequested) {
7826 if (message[0] == '\t' || message[0] == ' ') {
7827 /* Part of the book output is here; append it */
7828 strcat(bookOutput, message);
7829 strcat(bookOutput, " \n");
7831 } else if (bookOutput[0] != NULLCHAR) {
7832 /* All of book output has arrived; display it */
7833 char *p = bookOutput;
7834 while (*p != NULLCHAR) {
7835 if (*p == '\t') *p = ' ';
7838 DisplayInformation(bookOutput);
7839 bookRequested = FALSE;
7840 /* Fall through to parse the current output */
7845 * Look for machine move.
7847 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7848 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7850 /* This method is only useful on engines that support ping */
7851 if (cps->lastPing != cps->lastPong) {
7852 if (gameMode == BeginningOfGame) {
7853 /* Extra move from before last new; ignore */
7854 if (appData.debugMode) {
7855 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7858 if (appData.debugMode) {
7859 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7860 cps->which, gameMode);
7863 SendToProgram("undo\n", cps);
7869 case BeginningOfGame:
7870 /* Extra move from before last reset; ignore */
7871 if (appData.debugMode) {
7872 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7879 /* Extra move after we tried to stop. The mode test is
7880 not a reliable way of detecting this problem, but it's
7881 the best we can do on engines that don't support ping.
7883 if (appData.debugMode) {
7884 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7885 cps->which, gameMode);
7887 SendToProgram("undo\n", cps);
7890 case MachinePlaysWhite:
7891 case IcsPlayingWhite:
7892 machineWhite = TRUE;
7895 case MachinePlaysBlack:
7896 case IcsPlayingBlack:
7897 machineWhite = FALSE;
7900 case TwoMachinesPlay:
7901 machineWhite = (cps->twoMachinesColor[0] == 'w');
7904 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7905 if (appData.debugMode) {
7907 "Ignoring move out of turn by %s, gameMode %d"
7908 ", forwardMost %d\n",
7909 cps->which, gameMode, forwardMostMove);
7914 if (appData.debugMode) { int f = forwardMostMove;
7915 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7916 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7917 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7919 if(cps->alphaRank) AlphaRank(machineMove, 4);
7920 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7921 &fromX, &fromY, &toX, &toY, &promoChar)) {
7922 /* Machine move could not be parsed; ignore it. */
7923 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7924 machineMove, _(cps->which));
7925 DisplayError(buf1, 0);
7926 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7927 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7928 if (gameMode == TwoMachinesPlay) {
7929 GameEnds(machineWhite ? BlackWins : WhiteWins,
7935 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7936 /* So we have to redo legality test with true e.p. status here, */
7937 /* to make sure an illegal e.p. capture does not slip through, */
7938 /* to cause a forfeit on a justified illegal-move complaint */
7939 /* of the opponent. */
7940 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7942 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7943 fromY, fromX, toY, toX, promoChar);
7944 if (appData.debugMode) {
7946 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7947 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7948 fprintf(debugFP, "castling rights\n");
7950 if(moveType == IllegalMove) {
7951 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7952 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7953 GameEnds(machineWhite ? BlackWins : WhiteWins,
7956 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7957 /* [HGM] Kludge to handle engines that send FRC-style castling
7958 when they shouldn't (like TSCP-Gothic) */
7960 case WhiteASideCastleFR:
7961 case BlackASideCastleFR:
7963 currentMoveString[2]++;
7965 case WhiteHSideCastleFR:
7966 case BlackHSideCastleFR:
7968 currentMoveString[2]--;
7970 default: ; // nothing to do, but suppresses warning of pedantic compilers
7973 hintRequested = FALSE;
7974 lastHint[0] = NULLCHAR;
7975 bookRequested = FALSE;
7976 /* Program may be pondering now */
7977 cps->maybeThinking = TRUE;
7978 if (cps->sendTime == 2) cps->sendTime = 1;
7979 if (cps->offeredDraw) cps->offeredDraw--;
7981 /* [AS] Save move info*/
7982 pvInfoList[ forwardMostMove ].score = programStats.score;
7983 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7984 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7986 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7988 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7989 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7992 while( count < adjudicateLossPlies ) {
7993 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7996 score = -score; /* Flip score for winning side */
7999 if( score > adjudicateLossThreshold ) {
8006 if( count >= adjudicateLossPlies ) {
8007 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8009 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8010 "Xboard adjudication",
8017 if(Adjudicate(cps)) {
8018 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8019 return; // [HGM] adjudicate: for all automatic game ends
8023 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8025 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8026 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8028 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8030 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8032 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8033 char buf[3*MSG_SIZ];
8035 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8036 programStats.score / 100.,
8038 programStats.time / 100.,
8039 (unsigned int)programStats.nodes,
8040 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8041 programStats.movelist);
8043 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8048 /* [AS] Clear stats for next move */
8049 ClearProgramStats();
8050 thinkOutput[0] = NULLCHAR;
8051 hiddenThinkOutputState = 0;
8054 if (gameMode == TwoMachinesPlay) {
8055 /* [HGM] relaying draw offers moved to after reception of move */
8056 /* and interpreting offer as claim if it brings draw condition */
8057 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8058 SendToProgram("draw\n", cps->other);
8060 if (cps->other->sendTime) {
8061 SendTimeRemaining(cps->other,
8062 cps->other->twoMachinesColor[0] == 'w');
8064 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8065 if (firstMove && !bookHit) {
8067 if (cps->other->useColors) {
8068 SendToProgram(cps->other->twoMachinesColor, cps->other);
8070 SendToProgram("go\n", cps->other);
8072 cps->other->maybeThinking = TRUE;
8075 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8077 if (!pausing && appData.ringBellAfterMoves) {
8082 * Reenable menu items that were disabled while
8083 * machine was thinking
8085 if (gameMode != TwoMachinesPlay)
8086 SetUserThinkingEnables();
8088 // [HGM] book: after book hit opponent has received move and is now in force mode
8089 // force the book reply into it, and then fake that it outputted this move by jumping
8090 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8092 static char bookMove[MSG_SIZ]; // a bit generous?
8094 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8095 strcat(bookMove, bookHit);
8098 programStats.nodes = programStats.depth = programStats.time =
8099 programStats.score = programStats.got_only_move = 0;
8100 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8102 if(cps->lastPing != cps->lastPong) {
8103 savedMessage = message; // args for deferred call
8105 ScheduleDelayedEvent(DeferredBookMove, 10);
8114 /* Set special modes for chess engines. Later something general
8115 * could be added here; for now there is just one kludge feature,
8116 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8117 * when "xboard" is given as an interactive command.
8119 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8120 cps->useSigint = FALSE;
8121 cps->useSigterm = FALSE;
8123 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8124 ParseFeatures(message+8, cps);
8125 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8128 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8129 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8130 int dummy, s=6; char buf[MSG_SIZ];
8131 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8132 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8133 if(startedFromSetupPosition) return;
8134 ParseFEN(boards[0], &dummy, message+s);
8135 DrawPosition(TRUE, boards[0]);
8136 startedFromSetupPosition = TRUE;
8139 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8140 * want this, I was asked to put it in, and obliged.
8142 if (!strncmp(message, "setboard ", 9)) {
8143 Board initial_position;
8145 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8147 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8148 DisplayError(_("Bad FEN received from engine"), 0);
8152 CopyBoard(boards[0], initial_position);
8153 initialRulePlies = FENrulePlies;
8154 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8155 else gameMode = MachinePlaysBlack;
8156 DrawPosition(FALSE, boards[currentMove]);
8162 * Look for communication commands
8164 if (!strncmp(message, "telluser ", 9)) {
8165 if(message[9] == '\\' && message[10] == '\\')
8166 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8168 DisplayNote(message + 9);
8171 if (!strncmp(message, "tellusererror ", 14)) {
8173 if(message[14] == '\\' && message[15] == '\\')
8174 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8176 DisplayError(message + 14, 0);
8179 if (!strncmp(message, "tellopponent ", 13)) {
8180 if (appData.icsActive) {
8182 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8186 DisplayNote(message + 13);
8190 if (!strncmp(message, "tellothers ", 11)) {
8191 if (appData.icsActive) {
8193 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8199 if (!strncmp(message, "tellall ", 8)) {
8200 if (appData.icsActive) {
8202 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8206 DisplayNote(message + 8);
8210 if (strncmp(message, "warning", 7) == 0) {
8211 /* Undocumented feature, use tellusererror in new code */
8212 DisplayError(message, 0);
8215 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8216 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8217 strcat(realname, " query");
8218 AskQuestion(realname, buf2, buf1, cps->pr);
8221 /* Commands from the engine directly to ICS. We don't allow these to be
8222 * sent until we are logged on. Crafty kibitzes have been known to
8223 * interfere with the login process.
8226 if (!strncmp(message, "tellics ", 8)) {
8227 SendToICS(message + 8);
8231 if (!strncmp(message, "tellicsnoalias ", 15)) {
8232 SendToICS(ics_prefix);
8233 SendToICS(message + 15);
8237 /* The following are for backward compatibility only */
8238 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8239 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8240 SendToICS(ics_prefix);
8246 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8250 * If the move is illegal, cancel it and redraw the board.
8251 * Also deal with other error cases. Matching is rather loose
8252 * here to accommodate engines written before the spec.
8254 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8255 strncmp(message, "Error", 5) == 0) {
8256 if (StrStr(message, "name") ||
8257 StrStr(message, "rating") || StrStr(message, "?") ||
8258 StrStr(message, "result") || StrStr(message, "board") ||
8259 StrStr(message, "bk") || StrStr(message, "computer") ||
8260 StrStr(message, "variant") || StrStr(message, "hint") ||
8261 StrStr(message, "random") || StrStr(message, "depth") ||
8262 StrStr(message, "accepted")) {
8265 if (StrStr(message, "protover")) {
8266 /* Program is responding to input, so it's apparently done
8267 initializing, and this error message indicates it is
8268 protocol version 1. So we don't need to wait any longer
8269 for it to initialize and send feature commands. */
8270 FeatureDone(cps, 1);
8271 cps->protocolVersion = 1;
8274 cps->maybeThinking = FALSE;
8276 if (StrStr(message, "draw")) {
8277 /* Program doesn't have "draw" command */
8278 cps->sendDrawOffers = 0;
8281 if (cps->sendTime != 1 &&
8282 (StrStr(message, "time") || StrStr(message, "otim"))) {
8283 /* Program apparently doesn't have "time" or "otim" command */
8287 if (StrStr(message, "analyze")) {
8288 cps->analysisSupport = FALSE;
8289 cps->analyzing = FALSE;
8290 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8291 EditGameEvent(); // [HGM] try to preserve loaded game
8292 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8293 DisplayError(buf2, 0);
8296 if (StrStr(message, "(no matching move)st")) {
8297 /* Special kludge for GNU Chess 4 only */
8298 cps->stKludge = TRUE;
8299 SendTimeControl(cps, movesPerSession, timeControl,
8300 timeIncrement, appData.searchDepth,
8304 if (StrStr(message, "(no matching move)sd")) {
8305 /* Special kludge for GNU Chess 4 only */
8306 cps->sdKludge = TRUE;
8307 SendTimeControl(cps, movesPerSession, timeControl,
8308 timeIncrement, appData.searchDepth,
8312 if (!StrStr(message, "llegal")) {
8315 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8316 gameMode == IcsIdle) return;
8317 if (forwardMostMove <= backwardMostMove) return;
8318 if (pausing) PauseEvent();
8319 if(appData.forceIllegal) {
8320 // [HGM] illegal: machine refused move; force position after move into it
8321 SendToProgram("force\n", cps);
8322 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8323 // we have a real problem now, as SendBoard will use the a2a3 kludge
8324 // when black is to move, while there might be nothing on a2 or black
8325 // might already have the move. So send the board as if white has the move.
8326 // But first we must change the stm of the engine, as it refused the last move
8327 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8328 if(WhiteOnMove(forwardMostMove)) {
8329 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8330 SendBoard(cps, forwardMostMove); // kludgeless board
8332 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8333 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8334 SendBoard(cps, forwardMostMove+1); // kludgeless board
8336 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8337 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8338 gameMode == TwoMachinesPlay)
8339 SendToProgram("go\n", cps);
8342 if (gameMode == PlayFromGameFile) {
8343 /* Stop reading this game file */
8344 gameMode = EditGame;
8347 /* [HGM] illegal-move claim should forfeit game when Xboard */
8348 /* only passes fully legal moves */
8349 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8350 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8351 "False illegal-move claim", GE_XBOARD );
8352 return; // do not take back move we tested as valid
8354 currentMove = forwardMostMove-1;
8355 DisplayMove(currentMove-1); /* before DisplayMoveError */
8356 SwitchClocks(forwardMostMove-1); // [HGM] race
8357 DisplayBothClocks();
8358 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8359 parseList[currentMove], _(cps->which));
8360 DisplayMoveError(buf1);
8361 DrawPosition(FALSE, boards[currentMove]);
8363 SetUserThinkingEnables();
8366 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8367 /* Program has a broken "time" command that
8368 outputs a string not ending in newline.
8374 * If chess program startup fails, exit with an error message.
8375 * Attempts to recover here are futile.
8377 if ((StrStr(message, "unknown host") != NULL)
8378 || (StrStr(message, "No remote directory") != NULL)
8379 || (StrStr(message, "not found") != NULL)
8380 || (StrStr(message, "No such file") != NULL)
8381 || (StrStr(message, "can't alloc") != NULL)
8382 || (StrStr(message, "Permission denied") != NULL)) {
8384 cps->maybeThinking = FALSE;
8385 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8386 _(cps->which), cps->program, cps->host, message);
8387 RemoveInputSource(cps->isr);
8388 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8389 if(cps == &first) appData.noChessProgram = TRUE;
8390 DisplayError(buf1, 0);
8396 * Look for hint output
8398 if (sscanf(message, "Hint: %s", buf1) == 1) {
8399 if (cps == &first && hintRequested) {
8400 hintRequested = FALSE;
8401 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8402 &fromX, &fromY, &toX, &toY, &promoChar)) {
8403 (void) CoordsToAlgebraic(boards[forwardMostMove],
8404 PosFlags(forwardMostMove),
8405 fromY, fromX, toY, toX, promoChar, buf1);
8406 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8407 DisplayInformation(buf2);
8409 /* Hint move could not be parsed!? */
8410 snprintf(buf2, sizeof(buf2),
8411 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8412 buf1, _(cps->which));
8413 DisplayError(buf2, 0);
8416 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8422 * Ignore other messages if game is not in progress
8424 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8425 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8428 * look for win, lose, draw, or draw offer
8430 if (strncmp(message, "1-0", 3) == 0) {
8431 char *p, *q, *r = "";
8432 p = strchr(message, '{');
8440 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8442 } else if (strncmp(message, "0-1", 3) == 0) {
8443 char *p, *q, *r = "";
8444 p = strchr(message, '{');
8452 /* Kludge for Arasan 4.1 bug */
8453 if (strcmp(r, "Black resigns") == 0) {
8454 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8457 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8459 } else if (strncmp(message, "1/2", 3) == 0) {
8460 char *p, *q, *r = "";
8461 p = strchr(message, '{');
8470 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8473 } else if (strncmp(message, "White resign", 12) == 0) {
8474 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8476 } else if (strncmp(message, "Black resign", 12) == 0) {
8477 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8479 } else if (strncmp(message, "White matches", 13) == 0 ||
8480 strncmp(message, "Black matches", 13) == 0 ) {
8481 /* [HGM] ignore GNUShogi noises */
8483 } else if (strncmp(message, "White", 5) == 0 &&
8484 message[5] != '(' &&
8485 StrStr(message, "Black") == NULL) {
8486 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8488 } else if (strncmp(message, "Black", 5) == 0 &&
8489 message[5] != '(') {
8490 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8492 } else if (strcmp(message, "resign") == 0 ||
8493 strcmp(message, "computer resigns") == 0) {
8495 case MachinePlaysBlack:
8496 case IcsPlayingBlack:
8497 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8499 case MachinePlaysWhite:
8500 case IcsPlayingWhite:
8501 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8503 case TwoMachinesPlay:
8504 if (cps->twoMachinesColor[0] == 'w')
8505 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8507 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8514 } else if (strncmp(message, "opponent mates", 14) == 0) {
8516 case MachinePlaysBlack:
8517 case IcsPlayingBlack:
8518 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8520 case MachinePlaysWhite:
8521 case IcsPlayingWhite:
8522 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8524 case TwoMachinesPlay:
8525 if (cps->twoMachinesColor[0] == 'w')
8526 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8528 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8535 } else if (strncmp(message, "computer mates", 14) == 0) {
8537 case MachinePlaysBlack:
8538 case IcsPlayingBlack:
8539 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8541 case MachinePlaysWhite:
8542 case IcsPlayingWhite:
8543 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8545 case TwoMachinesPlay:
8546 if (cps->twoMachinesColor[0] == 'w')
8547 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8549 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8556 } else if (strncmp(message, "checkmate", 9) == 0) {
8557 if (WhiteOnMove(forwardMostMove)) {
8558 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8560 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8563 } else if (strstr(message, "Draw") != NULL ||
8564 strstr(message, "game is a draw") != NULL) {
8565 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8567 } else if (strstr(message, "offer") != NULL &&
8568 strstr(message, "draw") != NULL) {
8570 if (appData.zippyPlay && first.initDone) {
8571 /* Relay offer to ICS */
8572 SendToICS(ics_prefix);
8573 SendToICS("draw\n");
8576 cps->offeredDraw = 2; /* valid until this engine moves twice */
8577 if (gameMode == TwoMachinesPlay) {
8578 if (cps->other->offeredDraw) {
8579 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8580 /* [HGM] in two-machine mode we delay relaying draw offer */
8581 /* until after we also have move, to see if it is really claim */
8583 } else if (gameMode == MachinePlaysWhite ||
8584 gameMode == MachinePlaysBlack) {
8585 if (userOfferedDraw) {
8586 DisplayInformation(_("Machine accepts your draw offer"));
8587 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8589 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8596 * Look for thinking output
8598 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8599 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8601 int plylev, mvleft, mvtot, curscore, time;
8602 char mvname[MOVE_LEN];
8606 int prefixHint = FALSE;
8607 mvname[0] = NULLCHAR;
8610 case MachinePlaysBlack:
8611 case IcsPlayingBlack:
8612 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8614 case MachinePlaysWhite:
8615 case IcsPlayingWhite:
8616 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8621 case IcsObserving: /* [DM] icsEngineAnalyze */
8622 if (!appData.icsEngineAnalyze) ignore = TRUE;
8624 case TwoMachinesPlay:
8625 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8635 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8637 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8638 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8640 if (plyext != ' ' && plyext != '\t') {
8644 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8645 if( cps->scoreIsAbsolute &&
8646 ( gameMode == MachinePlaysBlack ||
8647 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8648 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8649 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8650 !WhiteOnMove(currentMove)
8653 curscore = -curscore;
8656 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8658 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8661 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8662 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8663 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8664 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8665 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8666 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8668 } else DisplayError(_("failed writing PV"), 0);
8671 tempStats.depth = plylev;
8672 tempStats.nodes = nodes;
8673 tempStats.time = time;
8674 tempStats.score = curscore;
8675 tempStats.got_only_move = 0;
8677 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8680 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8681 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8682 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8683 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8684 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8685 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8686 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8687 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8690 /* Buffer overflow protection */
8691 if (pv[0] != NULLCHAR) {
8692 if (strlen(pv) >= sizeof(tempStats.movelist)
8693 && appData.debugMode) {
8695 "PV is too long; using the first %u bytes.\n",
8696 (unsigned) sizeof(tempStats.movelist) - 1);
8699 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8701 sprintf(tempStats.movelist, " no PV\n");
8704 if (tempStats.seen_stat) {
8705 tempStats.ok_to_send = 1;
8708 if (strchr(tempStats.movelist, '(') != NULL) {
8709 tempStats.line_is_book = 1;
8710 tempStats.nr_moves = 0;
8711 tempStats.moves_left = 0;
8713 tempStats.line_is_book = 0;
8716 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8717 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8719 SendProgramStatsToFrontend( cps, &tempStats );
8722 [AS] Protect the thinkOutput buffer from overflow... this
8723 is only useful if buf1 hasn't overflowed first!
8725 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8727 (gameMode == TwoMachinesPlay ?
8728 ToUpper(cps->twoMachinesColor[0]) : ' '),
8729 ((double) curscore) / 100.0,
8730 prefixHint ? lastHint : "",
8731 prefixHint ? " " : "" );
8733 if( buf1[0] != NULLCHAR ) {
8734 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8736 if( strlen(pv) > max_len ) {
8737 if( appData.debugMode) {
8738 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8740 pv[max_len+1] = '\0';
8743 strcat( thinkOutput, pv);
8746 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8747 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8748 DisplayMove(currentMove - 1);
8752 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8753 /* crafty (9.25+) says "(only move) <move>"
8754 * if there is only 1 legal move
8756 sscanf(p, "(only move) %s", buf1);
8757 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8758 sprintf(programStats.movelist, "%s (only move)", buf1);
8759 programStats.depth = 1;
8760 programStats.nr_moves = 1;
8761 programStats.moves_left = 1;
8762 programStats.nodes = 1;
8763 programStats.time = 1;
8764 programStats.got_only_move = 1;
8766 /* Not really, but we also use this member to
8767 mean "line isn't going to change" (Crafty
8768 isn't searching, so stats won't change) */
8769 programStats.line_is_book = 1;
8771 SendProgramStatsToFrontend( cps, &programStats );
8773 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8774 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8775 DisplayMove(currentMove - 1);
8778 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8779 &time, &nodes, &plylev, &mvleft,
8780 &mvtot, mvname) >= 5) {
8781 /* The stat01: line is from Crafty (9.29+) in response
8782 to the "." command */
8783 programStats.seen_stat = 1;
8784 cps->maybeThinking = TRUE;
8786 if (programStats.got_only_move || !appData.periodicUpdates)
8789 programStats.depth = plylev;
8790 programStats.time = time;
8791 programStats.nodes = nodes;
8792 programStats.moves_left = mvleft;
8793 programStats.nr_moves = mvtot;
8794 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8795 programStats.ok_to_send = 1;
8796 programStats.movelist[0] = '\0';
8798 SendProgramStatsToFrontend( cps, &programStats );
8802 } else if (strncmp(message,"++",2) == 0) {
8803 /* Crafty 9.29+ outputs this */
8804 programStats.got_fail = 2;
8807 } else if (strncmp(message,"--",2) == 0) {
8808 /* Crafty 9.29+ outputs this */
8809 programStats.got_fail = 1;
8812 } else if (thinkOutput[0] != NULLCHAR &&
8813 strncmp(message, " ", 4) == 0) {
8814 unsigned message_len;
8817 while (*p && *p == ' ') p++;
8819 message_len = strlen( p );
8821 /* [AS] Avoid buffer overflow */
8822 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8823 strcat(thinkOutput, " ");
8824 strcat(thinkOutput, p);
8827 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8828 strcat(programStats.movelist, " ");
8829 strcat(programStats.movelist, p);
8832 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8833 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8834 DisplayMove(currentMove - 1);
8842 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8843 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8845 ChessProgramStats cpstats;
8847 if (plyext != ' ' && plyext != '\t') {
8851 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8852 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8853 curscore = -curscore;
8856 cpstats.depth = plylev;
8857 cpstats.nodes = nodes;
8858 cpstats.time = time;
8859 cpstats.score = curscore;
8860 cpstats.got_only_move = 0;
8861 cpstats.movelist[0] = '\0';
8863 if (buf1[0] != NULLCHAR) {
8864 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8867 cpstats.ok_to_send = 0;
8868 cpstats.line_is_book = 0;
8869 cpstats.nr_moves = 0;
8870 cpstats.moves_left = 0;
8872 SendProgramStatsToFrontend( cps, &cpstats );
8879 /* Parse a game score from the character string "game", and
8880 record it as the history of the current game. The game
8881 score is NOT assumed to start from the standard position.
8882 The display is not updated in any way.
8885 ParseGameHistory(game)
8889 int fromX, fromY, toX, toY, boardIndex;
8894 if (appData.debugMode)
8895 fprintf(debugFP, "Parsing game history: %s\n", game);
8897 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8898 gameInfo.site = StrSave(appData.icsHost);
8899 gameInfo.date = PGNDate();
8900 gameInfo.round = StrSave("-");
8902 /* Parse out names of players */
8903 while (*game == ' ') game++;
8905 while (*game != ' ') *p++ = *game++;
8907 gameInfo.white = StrSave(buf);
8908 while (*game == ' ') game++;
8910 while (*game != ' ' && *game != '\n') *p++ = *game++;
8912 gameInfo.black = StrSave(buf);
8915 boardIndex = blackPlaysFirst ? 1 : 0;
8918 yyboardindex = boardIndex;
8919 moveType = (ChessMove) Myylex();
8921 case IllegalMove: /* maybe suicide chess, etc. */
8922 if (appData.debugMode) {
8923 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8924 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8925 setbuf(debugFP, NULL);
8927 case WhitePromotion:
8928 case BlackPromotion:
8929 case WhiteNonPromotion:
8930 case BlackNonPromotion:
8932 case WhiteCapturesEnPassant:
8933 case BlackCapturesEnPassant:
8934 case WhiteKingSideCastle:
8935 case WhiteQueenSideCastle:
8936 case BlackKingSideCastle:
8937 case BlackQueenSideCastle:
8938 case WhiteKingSideCastleWild:
8939 case WhiteQueenSideCastleWild:
8940 case BlackKingSideCastleWild:
8941 case BlackQueenSideCastleWild:
8943 case WhiteHSideCastleFR:
8944 case WhiteASideCastleFR:
8945 case BlackHSideCastleFR:
8946 case BlackASideCastleFR:
8948 fromX = currentMoveString[0] - AAA;
8949 fromY = currentMoveString[1] - ONE;
8950 toX = currentMoveString[2] - AAA;
8951 toY = currentMoveString[3] - ONE;
8952 promoChar = currentMoveString[4];
8956 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8957 fromX = moveType == WhiteDrop ?
8958 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8959 (int) CharToPiece(ToLower(currentMoveString[0]));
8961 toX = currentMoveString[2] - AAA;
8962 toY = currentMoveString[3] - ONE;
8963 promoChar = NULLCHAR;
8967 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8968 if (appData.debugMode) {
8969 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8970 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8971 setbuf(debugFP, NULL);
8973 DisplayError(buf, 0);
8975 case ImpossibleMove:
8977 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8978 if (appData.debugMode) {
8979 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8980 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8981 setbuf(debugFP, NULL);
8983 DisplayError(buf, 0);
8986 if (boardIndex < backwardMostMove) {
8987 /* Oops, gap. How did that happen? */
8988 DisplayError(_("Gap in move list"), 0);
8991 backwardMostMove = blackPlaysFirst ? 1 : 0;
8992 if (boardIndex > forwardMostMove) {
8993 forwardMostMove = boardIndex;
8997 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8998 strcat(parseList[boardIndex-1], " ");
8999 strcat(parseList[boardIndex-1], yy_text);
9011 case GameUnfinished:
9012 if (gameMode == IcsExamining) {
9013 if (boardIndex < backwardMostMove) {
9014 /* Oops, gap. How did that happen? */
9017 backwardMostMove = blackPlaysFirst ? 1 : 0;
9020 gameInfo.result = moveType;
9021 p = strchr(yy_text, '{');
9022 if (p == NULL) p = strchr(yy_text, '(');
9025 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9027 q = strchr(p, *p == '{' ? '}' : ')');
9028 if (q != NULL) *q = NULLCHAR;
9031 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9032 gameInfo.resultDetails = StrSave(p);
9035 if (boardIndex >= forwardMostMove &&
9036 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9037 backwardMostMove = blackPlaysFirst ? 1 : 0;
9040 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9041 fromY, fromX, toY, toX, promoChar,
9042 parseList[boardIndex]);
9043 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9044 /* currentMoveString is set as a side-effect of yylex */
9045 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9046 strcat(moveList[boardIndex], "\n");
9048 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9049 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9055 if(gameInfo.variant != VariantShogi)
9056 strcat(parseList[boardIndex - 1], "+");
9060 strcat(parseList[boardIndex - 1], "#");
9067 /* Apply a move to the given board */
9069 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9070 int fromX, fromY, toX, toY;
9074 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9075 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9077 /* [HGM] compute & store e.p. status and castling rights for new position */
9078 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9080 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9081 oldEP = (signed char)board[EP_STATUS];
9082 board[EP_STATUS] = EP_NONE;
9084 if (fromY == DROP_RANK) {
9086 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9087 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9090 piece = board[toY][toX] = (ChessSquare) fromX;
9094 if( board[toY][toX] != EmptySquare )
9095 board[EP_STATUS] = EP_CAPTURE;
9097 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9098 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9099 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9101 if( board[fromY][fromX] == WhitePawn ) {
9102 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9103 board[EP_STATUS] = EP_PAWN_MOVE;
9105 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9106 gameInfo.variant != VariantBerolina || toX < fromX)
9107 board[EP_STATUS] = toX | berolina;
9108 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9109 gameInfo.variant != VariantBerolina || toX > fromX)
9110 board[EP_STATUS] = toX;
9113 if( board[fromY][fromX] == BlackPawn ) {
9114 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9115 board[EP_STATUS] = EP_PAWN_MOVE;
9116 if( toY-fromY== -2) {
9117 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9118 gameInfo.variant != VariantBerolina || toX < fromX)
9119 board[EP_STATUS] = toX | berolina;
9120 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9121 gameInfo.variant != VariantBerolina || toX > fromX)
9122 board[EP_STATUS] = toX;
9126 for(i=0; i<nrCastlingRights; i++) {
9127 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9128 board[CASTLING][i] == toX && castlingRank[i] == toY
9129 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9132 if (fromX == toX && fromY == toY) return;
9134 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9135 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9136 if(gameInfo.variant == VariantKnightmate)
9137 king += (int) WhiteUnicorn - (int) WhiteKing;
9139 /* Code added by Tord: */
9140 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9141 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9142 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9143 board[fromY][fromX] = EmptySquare;
9144 board[toY][toX] = EmptySquare;
9145 if((toX > fromX) != (piece == WhiteRook)) {
9146 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9148 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9150 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9151 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9152 board[fromY][fromX] = EmptySquare;
9153 board[toY][toX] = EmptySquare;
9154 if((toX > fromX) != (piece == BlackRook)) {
9155 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9157 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9159 /* End of code added by Tord */
9161 } else if (board[fromY][fromX] == king
9162 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9163 && toY == fromY && toX > fromX+1) {
9164 board[fromY][fromX] = EmptySquare;
9165 board[toY][toX] = king;
9166 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9167 board[fromY][BOARD_RGHT-1] = EmptySquare;
9168 } else if (board[fromY][fromX] == king
9169 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9170 && toY == fromY && toX < fromX-1) {
9171 board[fromY][fromX] = EmptySquare;
9172 board[toY][toX] = king;
9173 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9174 board[fromY][BOARD_LEFT] = EmptySquare;
9175 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9176 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9177 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9179 /* white pawn promotion */
9180 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9181 if(gameInfo.variant==VariantBughouse ||
9182 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9183 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9184 board[fromY][fromX] = EmptySquare;
9185 } else if ((fromY >= BOARD_HEIGHT>>1)
9187 && gameInfo.variant != VariantXiangqi
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 captured = board[toY - 1][toX];
9194 board[toY - 1][toX] = EmptySquare;
9195 } else if ((fromY == BOARD_HEIGHT-4)
9197 && gameInfo.variant == VariantBerolina
9198 && (board[fromY][fromX] == WhitePawn)
9199 && (board[toY][toX] == EmptySquare)) {
9200 board[fromY][fromX] = EmptySquare;
9201 board[toY][toX] = WhitePawn;
9202 if(oldEP & EP_BEROLIN_A) {
9203 captured = board[fromY][fromX-1];
9204 board[fromY][fromX-1] = EmptySquare;
9205 }else{ captured = board[fromY][fromX+1];
9206 board[fromY][fromX+1] = EmptySquare;
9208 } else if (board[fromY][fromX] == king
9209 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9210 && toY == fromY && toX > fromX+1) {
9211 board[fromY][fromX] = EmptySquare;
9212 board[toY][toX] = king;
9213 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9214 board[fromY][BOARD_RGHT-1] = EmptySquare;
9215 } else if (board[fromY][fromX] == king
9216 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9217 && toY == fromY && toX < fromX-1) {
9218 board[fromY][fromX] = EmptySquare;
9219 board[toY][toX] = king;
9220 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9221 board[fromY][BOARD_LEFT] = EmptySquare;
9222 } else if (fromY == 7 && fromX == 3
9223 && board[fromY][fromX] == BlackKing
9224 && toY == 7 && toX == 5) {
9225 board[fromY][fromX] = EmptySquare;
9226 board[toY][toX] = BlackKing;
9227 board[fromY][7] = EmptySquare;
9228 board[toY][4] = BlackRook;
9229 } else if (fromY == 7 && fromX == 3
9230 && board[fromY][fromX] == BlackKing
9231 && toY == 7 && toX == 1) {
9232 board[fromY][fromX] = EmptySquare;
9233 board[toY][toX] = BlackKing;
9234 board[fromY][0] = EmptySquare;
9235 board[toY][2] = BlackRook;
9236 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9237 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9238 && toY < promoRank && promoChar
9240 /* black pawn promotion */
9241 board[toY][toX] = CharToPiece(ToLower(promoChar));
9242 if(gameInfo.variant==VariantBughouse ||
9243 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9244 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9245 board[fromY][fromX] = EmptySquare;
9246 } else if ((fromY < BOARD_HEIGHT>>1)
9248 && gameInfo.variant != VariantXiangqi
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 captured = board[toY + 1][toX];
9255 board[toY + 1][toX] = EmptySquare;
9256 } else if ((fromY == 3)
9258 && gameInfo.variant == VariantBerolina
9259 && (board[fromY][fromX] == BlackPawn)
9260 && (board[toY][toX] == EmptySquare)) {
9261 board[fromY][fromX] = EmptySquare;
9262 board[toY][toX] = BlackPawn;
9263 if(oldEP & EP_BEROLIN_A) {
9264 captured = board[fromY][fromX-1];
9265 board[fromY][fromX-1] = EmptySquare;
9266 }else{ captured = board[fromY][fromX+1];
9267 board[fromY][fromX+1] = EmptySquare;
9270 board[toY][toX] = board[fromY][fromX];
9271 board[fromY][fromX] = EmptySquare;
9275 if (gameInfo.holdingsWidth != 0) {
9277 /* !!A lot more code needs to be written to support holdings */
9278 /* [HGM] OK, so I have written it. Holdings are stored in the */
9279 /* penultimate board files, so they are automaticlly stored */
9280 /* in the game history. */
9281 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9282 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9283 /* Delete from holdings, by decreasing count */
9284 /* and erasing image if necessary */
9285 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9286 if(p < (int) BlackPawn) { /* white drop */
9287 p -= (int)WhitePawn;
9288 p = PieceToNumber((ChessSquare)p);
9289 if(p >= gameInfo.holdingsSize) p = 0;
9290 if(--board[p][BOARD_WIDTH-2] <= 0)
9291 board[p][BOARD_WIDTH-1] = EmptySquare;
9292 if((int)board[p][BOARD_WIDTH-2] < 0)
9293 board[p][BOARD_WIDTH-2] = 0;
9294 } else { /* black drop */
9295 p -= (int)BlackPawn;
9296 p = PieceToNumber((ChessSquare)p);
9297 if(p >= gameInfo.holdingsSize) p = 0;
9298 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9299 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9300 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9301 board[BOARD_HEIGHT-1-p][1] = 0;
9304 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9305 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9306 /* [HGM] holdings: Add to holdings, if holdings exist */
9307 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9308 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9309 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9312 if (p >= (int) BlackPawn) {
9313 p -= (int)BlackPawn;
9314 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9315 /* in Shogi restore piece to its original first */
9316 captured = (ChessSquare) (DEMOTED captured);
9319 p = PieceToNumber((ChessSquare)p);
9320 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9321 board[p][BOARD_WIDTH-2]++;
9322 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9324 p -= (int)WhitePawn;
9325 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9326 captured = (ChessSquare) (DEMOTED captured);
9329 p = PieceToNumber((ChessSquare)p);
9330 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9331 board[BOARD_HEIGHT-1-p][1]++;
9332 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9335 } else if (gameInfo.variant == VariantAtomic) {
9336 if (captured != EmptySquare) {
9338 for (y = toY-1; y <= toY+1; y++) {
9339 for (x = toX-1; x <= toX+1; x++) {
9340 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9341 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9342 board[y][x] = EmptySquare;
9346 board[toY][toX] = EmptySquare;
9349 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9350 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9352 if(promoChar == '+') {
9353 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9354 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9355 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9356 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9358 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9359 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9360 // [HGM] superchess: take promotion piece out of holdings
9361 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9362 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9363 if(!--board[k][BOARD_WIDTH-2])
9364 board[k][BOARD_WIDTH-1] = EmptySquare;
9366 if(!--board[BOARD_HEIGHT-1-k][1])
9367 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9373 /* Updates forwardMostMove */
9375 MakeMove(fromX, fromY, toX, toY, promoChar)
9376 int fromX, fromY, toX, toY;
9379 // forwardMostMove++; // [HGM] bare: moved downstream
9381 (void) CoordsToAlgebraic(boards[forwardMostMove],
9382 PosFlags(forwardMostMove),
9383 fromY, fromX, toY, toX, promoChar,
9384 parseList[forwardMostMove]);
9386 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9387 int timeLeft; static int lastLoadFlag=0; int king, piece;
9388 piece = boards[forwardMostMove][fromY][fromX];
9389 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9390 if(gameInfo.variant == VariantKnightmate)
9391 king += (int) WhiteUnicorn - (int) WhiteKing;
9392 if(forwardMostMove == 0) {
9393 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9394 fprintf(serverMoves, "%s;", UserName());
9395 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9396 fprintf(serverMoves, "%s;", second.tidy);
9397 fprintf(serverMoves, "%s;", first.tidy);
9398 if(gameMode == MachinePlaysWhite)
9399 fprintf(serverMoves, "%s;", UserName());
9400 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9401 fprintf(serverMoves, "%s;", second.tidy);
9402 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9403 lastLoadFlag = loadFlag;
9405 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9406 // print castling suffix
9407 if( toY == fromY && piece == king ) {
9409 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9411 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9414 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9415 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9416 boards[forwardMostMove][toY][toX] == EmptySquare
9417 && fromX != toX && fromY != toY)
9418 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9420 if(promoChar != NULLCHAR)
9421 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9423 char buf[MOVE_LEN*2], *p; int len;
9424 fprintf(serverMoves, "/%d/%d",
9425 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9426 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9427 else timeLeft = blackTimeRemaining/1000;
9428 fprintf(serverMoves, "/%d", timeLeft);
9429 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9430 if(p = strchr(buf, '=')) *p = NULLCHAR;
9431 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9432 fprintf(serverMoves, "/%s", buf);
9434 fflush(serverMoves);
9437 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9438 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9441 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9442 if (commentList[forwardMostMove+1] != NULL) {
9443 free(commentList[forwardMostMove+1]);
9444 commentList[forwardMostMove+1] = NULL;
9446 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9447 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9448 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9449 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9450 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9451 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9452 adjustedClock = FALSE;
9453 gameInfo.result = GameUnfinished;
9454 if (gameInfo.resultDetails != NULL) {
9455 free(gameInfo.resultDetails);
9456 gameInfo.resultDetails = NULL;
9458 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9459 moveList[forwardMostMove - 1]);
9460 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9466 if(gameInfo.variant != VariantShogi)
9467 strcat(parseList[forwardMostMove - 1], "+");
9471 strcat(parseList[forwardMostMove - 1], "#");
9474 if (appData.debugMode) {
9475 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9480 /* Updates currentMove if not pausing */
9482 ShowMove(fromX, fromY, toX, toY)
9484 int instant = (gameMode == PlayFromGameFile) ?
9485 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9486 if(appData.noGUI) return;
9487 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9489 if (forwardMostMove == currentMove + 1) {
9490 AnimateMove(boards[forwardMostMove - 1],
9491 fromX, fromY, toX, toY);
9493 if (appData.highlightLastMove) {
9494 SetHighlights(fromX, fromY, toX, toY);
9497 currentMove = forwardMostMove;
9500 if (instant) return;
9502 DisplayMove(currentMove - 1);
9503 DrawPosition(FALSE, boards[currentMove]);
9504 DisplayBothClocks();
9505 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9508 void SendEgtPath(ChessProgramState *cps)
9509 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9510 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9512 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9515 char c, *q = name+1, *r, *s;
9517 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9518 while(*p && *p != ',') *q++ = *p++;
9520 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9521 strcmp(name, ",nalimov:") == 0 ) {
9522 // take nalimov path from the menu-changeable option first, if it is defined
9523 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9524 SendToProgram(buf,cps); // send egtbpath command for nalimov
9526 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9527 (s = StrStr(appData.egtFormats, name)) != NULL) {
9528 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9529 s = r = StrStr(s, ":") + 1; // beginning of path info
9530 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9531 c = *r; *r = 0; // temporarily null-terminate path info
9532 *--q = 0; // strip of trailig ':' from name
9533 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9535 SendToProgram(buf,cps); // send egtbpath command for this format
9537 if(*p == ',') p++; // read away comma to position for next format name
9542 InitChessProgram(cps, setup)
9543 ChessProgramState *cps;
9544 int setup; /* [HGM] needed to setup FRC opening position */
9546 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9547 if (appData.noChessProgram) return;
9548 hintRequested = FALSE;
9549 bookRequested = FALSE;
9551 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9552 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9553 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9554 if(cps->memSize) { /* [HGM] memory */
9555 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9556 SendToProgram(buf, cps);
9558 SendEgtPath(cps); /* [HGM] EGT */
9559 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9560 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9561 SendToProgram(buf, cps);
9564 SendToProgram(cps->initString, cps);
9565 if (gameInfo.variant != VariantNormal &&
9566 gameInfo.variant != VariantLoadable
9567 /* [HGM] also send variant if board size non-standard */
9568 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9570 char *v = VariantName(gameInfo.variant);
9571 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9572 /* [HGM] in protocol 1 we have to assume all variants valid */
9573 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9574 DisplayFatalError(buf, 0, 1);
9578 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9579 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9580 if( gameInfo.variant == VariantXiangqi )
9581 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9582 if( gameInfo.variant == VariantShogi )
9583 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9584 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9585 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9586 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9587 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9588 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9589 if( gameInfo.variant == VariantCourier )
9590 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9591 if( gameInfo.variant == VariantSuper )
9592 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9593 if( gameInfo.variant == VariantGreat )
9594 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9595 if( gameInfo.variant == VariantSChess )
9596 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9597 if( gameInfo.variant == VariantGrand )
9598 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9601 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9602 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9603 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9604 if(StrStr(cps->variants, b) == NULL) {
9605 // specific sized variant not known, check if general sizing allowed
9606 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9607 if(StrStr(cps->variants, "boardsize") == NULL) {
9608 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9609 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9610 DisplayFatalError(buf, 0, 1);
9613 /* [HGM] here we really should compare with the maximum supported board size */
9616 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9617 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9618 SendToProgram(buf, cps);
9620 currentlyInitializedVariant = gameInfo.variant;
9622 /* [HGM] send opening position in FRC to first engine */
9624 SendToProgram("force\n", cps);
9626 /* engine is now in force mode! Set flag to wake it up after first move. */
9627 setboardSpoiledMachineBlack = 1;
9631 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9632 SendToProgram(buf, cps);
9634 cps->maybeThinking = FALSE;
9635 cps->offeredDraw = 0;
9636 if (!appData.icsActive) {
9637 SendTimeControl(cps, movesPerSession, timeControl,
9638 timeIncrement, appData.searchDepth,
9641 if (appData.showThinking
9642 // [HGM] thinking: four options require thinking output to be sent
9643 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9645 SendToProgram("post\n", cps);
9647 SendToProgram("hard\n", cps);
9648 if (!appData.ponderNextMove) {
9649 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9650 it without being sure what state we are in first. "hard"
9651 is not a toggle, so that one is OK.
9653 SendToProgram("easy\n", cps);
9656 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9657 SendToProgram(buf, cps);
9659 cps->initDone = TRUE;
9660 ClearEngineOutputPane(cps == &second);
9665 StartChessProgram(cps)
9666 ChessProgramState *cps;
9671 if (appData.noChessProgram) return;
9672 cps->initDone = FALSE;
9674 if (strcmp(cps->host, "localhost") == 0) {
9675 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9676 } else if (*appData.remoteShell == NULLCHAR) {
9677 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9679 if (*appData.remoteUser == NULLCHAR) {
9680 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9683 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9684 cps->host, appData.remoteUser, cps->program);
9686 err = StartChildProcess(buf, "", &cps->pr);
9690 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9691 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9692 if(cps != &first) return;
9693 appData.noChessProgram = TRUE;
9696 // DisplayFatalError(buf, err, 1);
9697 // cps->pr = NoProc;
9702 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9703 if (cps->protocolVersion > 1) {
9704 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9705 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9706 cps->comboCnt = 0; // and values of combo boxes
9707 SendToProgram(buf, cps);
9709 SendToProgram("xboard\n", cps);
9714 TwoMachinesEventIfReady P((void))
9716 static int curMess = 0;
9717 if (first.lastPing != first.lastPong) {
9718 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9719 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9722 if (second.lastPing != second.lastPong) {
9723 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9724 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9727 DisplayMessage("", ""); curMess = 0;
9733 MakeName(char *template)
9737 static char buf[MSG_SIZ];
9741 clock = time((time_t *)NULL);
9742 tm = localtime(&clock);
9744 while(*p++ = *template++) if(p[-1] == '%') {
9745 switch(*template++) {
9746 case 0: *p = 0; return buf;
9747 case 'Y': i = tm->tm_year+1900; break;
9748 case 'y': i = tm->tm_year-100; break;
9749 case 'M': i = tm->tm_mon+1; break;
9750 case 'd': i = tm->tm_mday; break;
9751 case 'h': i = tm->tm_hour; break;
9752 case 'm': i = tm->tm_min; break;
9753 case 's': i = tm->tm_sec; break;
9756 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9762 CountPlayers(char *p)
9765 while(p = strchr(p, '\n')) p++, n++; // count participants
9770 WriteTourneyFile(char *results, FILE *f)
9771 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9772 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9773 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9774 // create a file with tournament description
9775 fprintf(f, "-participants {%s}\n", appData.participants);
9776 fprintf(f, "-seedBase %d\n", appData.seedBase);
9777 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9778 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9779 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9780 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9781 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9782 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9783 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9784 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9785 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9786 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9787 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9788 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9790 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9792 fprintf(f, "-mps %d\n", appData.movesPerSession);
9793 fprintf(f, "-tc %s\n", appData.timeControl);
9794 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9796 fprintf(f, "-results \"%s\"\n", results);
9801 #define MAXENGINES 1000
9802 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9804 void Substitute(char *participants, int expunge)
9806 int i, changed, changes=0, nPlayers=0;
9807 char *p, *q, *r, buf[MSG_SIZ];
9808 if(participants == NULL) return;
9809 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9810 r = p = participants; q = appData.participants;
9811 while(*p && *p == *q) {
9812 if(*p == '\n') r = p+1, nPlayers++;
9815 if(*p) { // difference
9816 while(*p && *p++ != '\n');
9817 while(*q && *q++ != '\n');
9819 changes = 1 + (strcmp(p, q) != 0);
9821 if(changes == 1) { // a single engine mnemonic was changed
9822 q = r; while(*q) nPlayers += (*q++ == '\n');
9823 p = buf; while(*r && (*p = *r++) != '\n') p++;
9825 NamesToList(firstChessProgramNames, command, mnemonic);
9826 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9827 if(mnemonic[i]) { // The substitute is valid
9829 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9830 flock(fileno(f), LOCK_EX);
9831 ParseArgsFromFile(f);
9832 fseek(f, 0, SEEK_SET);
9833 FREE(appData.participants); appData.participants = participants;
9834 if(expunge) { // erase results of replaced engine
9835 int len = strlen(appData.results), w, b, dummy;
9836 for(i=0; i<len; i++) {
9837 Pairing(i, nPlayers, &w, &b, &dummy);
9838 if((w == changed || b == changed) && appData.results[i] == '*') {
9839 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9844 for(i=0; i<len; i++) {
9845 Pairing(i, nPlayers, &w, &b, &dummy);
9846 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9849 WriteTourneyFile(appData.results, f);
9850 fclose(f); // release lock
9853 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9855 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9856 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9862 CreateTourney(char *name)
9865 if(matchMode && strcmp(name, appData.tourneyFile)) {
9866 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9868 if(name[0] == NULLCHAR) {
9869 if(appData.participants[0])
9870 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9873 f = fopen(name, "r");
9874 if(f) { // file exists
9875 ASSIGN(appData.tourneyFile, name);
9876 ParseArgsFromFile(f); // parse it
9878 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9879 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9880 DisplayError(_("Not enough participants"), 0);
9883 ASSIGN(appData.tourneyFile, name);
9884 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9885 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9888 appData.noChessProgram = FALSE;
9889 appData.clockMode = TRUE;
9894 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9896 char buf[MSG_SIZ], *p, *q;
9900 while(*p && *p != '\n') *q++ = *p++;
9902 if(engineList[i]) free(engineList[i]);
9903 engineList[i] = strdup(buf);
9905 TidyProgramName(engineList[i], "localhost", buf);
9906 if(engineMnemonic[i]) free(engineMnemonic[i]);
9907 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9909 sscanf(q + 8, "%s", buf + strlen(buf));
9912 engineMnemonic[i] = strdup(buf);
9914 if(i > MAXENGINES - 2) break;
9916 engineList[i] = engineMnemonic[i] = NULL;
9919 // following implemented as macro to avoid type limitations
9920 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9922 void SwapEngines(int n)
9923 { // swap settings for first engine and other engine (so far only some selected options)
9928 SWAP(chessProgram, p)
9930 SWAP(hasOwnBookUCI, h)
9931 SWAP(protocolVersion, h)
9933 SWAP(scoreIsAbsolute, h)
9942 SetPlayer(int player)
9943 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9945 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9946 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9947 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9948 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9950 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9951 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9952 appData.firstHasOwnBookUCI = !appData.defNoBook;
9953 ParseArgsFromString(buf);
9959 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9960 { // determine players from game number
9961 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9963 if(appData.tourneyType == 0) {
9964 roundsPerCycle = (nPlayers - 1) | 1;
9965 pairingsPerRound = nPlayers / 2;
9966 } else if(appData.tourneyType > 0) {
9967 roundsPerCycle = nPlayers - appData.tourneyType;
9968 pairingsPerRound = appData.tourneyType;
9970 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9971 gamesPerCycle = gamesPerRound * roundsPerCycle;
9972 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9973 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9974 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9975 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9976 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9977 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9979 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9980 if(appData.roundSync) *syncInterval = gamesPerRound;
9982 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9984 if(appData.tourneyType == 0) {
9985 if(curPairing == (nPlayers-1)/2 ) {
9986 *whitePlayer = curRound;
9987 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9989 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9990 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9991 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9992 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9994 } else if(appData.tourneyType > 0) {
9995 *whitePlayer = curPairing;
9996 *blackPlayer = curRound + appData.tourneyType;
9999 // take care of white/black alternation per round.
10000 // For cycles and games this is already taken care of by default, derived from matchGame!
10001 return curRound & 1;
10005 NextTourneyGame(int nr, int *swapColors)
10006 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10008 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10010 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10011 tf = fopen(appData.tourneyFile, "r");
10012 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10013 ParseArgsFromFile(tf); fclose(tf);
10014 InitTimeControls(); // TC might be altered from tourney file
10016 nPlayers = CountPlayers(appData.participants); // count participants
10017 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10018 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10021 p = q = appData.results;
10022 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10023 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10024 DisplayMessage(_("Waiting for other game(s)"),"");
10025 waitingForGame = TRUE;
10026 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10029 waitingForGame = FALSE;
10032 if(appData.tourneyType < 0) {
10033 if(nr>=0 && !pairingReceived) {
10035 if(pairing.pr == NoProc) {
10036 if(!appData.pairingEngine[0]) {
10037 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10040 StartChessProgram(&pairing); // starts the pairing engine
10042 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10043 SendToProgram(buf, &pairing);
10044 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10045 SendToProgram(buf, &pairing);
10046 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10048 pairingReceived = 0; // ... so we continue here
10050 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10051 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10052 matchGame = 1; roundNr = nr / syncInterval + 1;
10055 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10057 // redefine engines, engine dir, etc.
10058 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10059 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10061 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10062 SwapEngines(1); // and make that valid for second engine by swapping
10063 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10064 InitEngine(&second, 1);
10065 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10066 UpdateLogos(FALSE); // leave display to ModeHiglight()
10072 { // performs game initialization that does not invoke engines, and then tries to start the game
10073 int res, firstWhite, swapColors = 0;
10074 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10075 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10076 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10077 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10078 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10079 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10080 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10081 Reset(FALSE, first.pr != NoProc);
10082 res = LoadGameOrPosition(matchGame); // setup game
10083 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10084 if(!res) return; // abort when bad game/pos file
10085 TwoMachinesEvent();
10088 void UserAdjudicationEvent( int result )
10090 ChessMove gameResult = GameIsDrawn;
10093 gameResult = WhiteWins;
10095 else if( result < 0 ) {
10096 gameResult = BlackWins;
10099 if( gameMode == TwoMachinesPlay ) {
10100 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10105 // [HGM] save: calculate checksum of game to make games easily identifiable
10106 int StringCheckSum(char *s)
10109 if(s==NULL) return 0;
10110 while(*s) i = i*259 + *s++;
10117 for(i=backwardMostMove; i<forwardMostMove; i++) {
10118 sum += pvInfoList[i].depth;
10119 sum += StringCheckSum(parseList[i]);
10120 sum += StringCheckSum(commentList[i]);
10123 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10124 return sum + StringCheckSum(commentList[i]);
10125 } // end of save patch
10128 GameEnds(result, resultDetails, whosays)
10130 char *resultDetails;
10133 GameMode nextGameMode;
10135 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10137 if(endingGame) return; /* [HGM] crash: forbid recursion */
10139 if(twoBoards) { // [HGM] dual: switch back to one board
10140 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10141 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10143 if (appData.debugMode) {
10144 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10145 result, resultDetails ? resultDetails : "(null)", whosays);
10148 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10150 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10151 /* If we are playing on ICS, the server decides when the
10152 game is over, but the engine can offer to draw, claim
10156 if (appData.zippyPlay && first.initDone) {
10157 if (result == GameIsDrawn) {
10158 /* In case draw still needs to be claimed */
10159 SendToICS(ics_prefix);
10160 SendToICS("draw\n");
10161 } else if (StrCaseStr(resultDetails, "resign")) {
10162 SendToICS(ics_prefix);
10163 SendToICS("resign\n");
10167 endingGame = 0; /* [HGM] crash */
10171 /* If we're loading the game from a file, stop */
10172 if (whosays == GE_FILE) {
10173 (void) StopLoadGameTimer();
10177 /* Cancel draw offers */
10178 first.offeredDraw = second.offeredDraw = 0;
10180 /* If this is an ICS game, only ICS can really say it's done;
10181 if not, anyone can. */
10182 isIcsGame = (gameMode == IcsPlayingWhite ||
10183 gameMode == IcsPlayingBlack ||
10184 gameMode == IcsObserving ||
10185 gameMode == IcsExamining);
10187 if (!isIcsGame || whosays == GE_ICS) {
10188 /* OK -- not an ICS game, or ICS said it was done */
10190 if (!isIcsGame && !appData.noChessProgram)
10191 SetUserThinkingEnables();
10193 /* [HGM] if a machine claims the game end we verify this claim */
10194 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10195 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10197 ChessMove trueResult = (ChessMove) -1;
10199 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10200 first.twoMachinesColor[0] :
10201 second.twoMachinesColor[0] ;
10203 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10204 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10205 /* [HGM] verify: engine mate claims accepted if they were flagged */
10206 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10208 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10209 /* [HGM] verify: engine mate claims accepted if they were flagged */
10210 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10212 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10213 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10216 // now verify win claims, but not in drop games, as we don't understand those yet
10217 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10218 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10219 (result == WhiteWins && claimer == 'w' ||
10220 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10221 if (appData.debugMode) {
10222 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10223 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10225 if(result != trueResult) {
10226 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10227 result = claimer == 'w' ? BlackWins : WhiteWins;
10228 resultDetails = buf;
10231 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10232 && (forwardMostMove <= backwardMostMove ||
10233 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10234 (claimer=='b')==(forwardMostMove&1))
10236 /* [HGM] verify: draws that were not flagged are false claims */
10237 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10238 result = claimer == 'w' ? BlackWins : WhiteWins;
10239 resultDetails = buf;
10241 /* (Claiming a loss is accepted no questions asked!) */
10243 /* [HGM] bare: don't allow bare King to win */
10244 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10245 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10246 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10247 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10248 && result != GameIsDrawn)
10249 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10250 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10251 int p = (signed char)boards[forwardMostMove][i][j] - color;
10252 if(p >= 0 && p <= (int)WhiteKing) k++;
10254 if (appData.debugMode) {
10255 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10256 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10259 result = GameIsDrawn;
10260 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10261 resultDetails = buf;
10267 if(serverMoves != NULL && !loadFlag) { char c = '=';
10268 if(result==WhiteWins) c = '+';
10269 if(result==BlackWins) c = '-';
10270 if(resultDetails != NULL)
10271 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10273 if (resultDetails != NULL) {
10274 gameInfo.result = result;
10275 gameInfo.resultDetails = StrSave(resultDetails);
10277 /* display last move only if game was not loaded from file */
10278 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10279 DisplayMove(currentMove - 1);
10281 if (forwardMostMove != 0) {
10282 if (gameMode != PlayFromGameFile && gameMode != EditGame
10283 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10285 if (*appData.saveGameFile != NULLCHAR) {
10286 SaveGameToFile(appData.saveGameFile, TRUE);
10287 } else if (appData.autoSaveGames) {
10290 if (*appData.savePositionFile != NULLCHAR) {
10291 SavePositionToFile(appData.savePositionFile);
10296 /* Tell program how game ended in case it is learning */
10297 /* [HGM] Moved this to after saving the PGN, just in case */
10298 /* engine died and we got here through time loss. In that */
10299 /* case we will get a fatal error writing the pipe, which */
10300 /* would otherwise lose us the PGN. */
10301 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10302 /* output during GameEnds should never be fatal anymore */
10303 if (gameMode == MachinePlaysWhite ||
10304 gameMode == MachinePlaysBlack ||
10305 gameMode == TwoMachinesPlay ||
10306 gameMode == IcsPlayingWhite ||
10307 gameMode == IcsPlayingBlack ||
10308 gameMode == BeginningOfGame) {
10310 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10312 if (first.pr != NoProc) {
10313 SendToProgram(buf, &first);
10315 if (second.pr != NoProc &&
10316 gameMode == TwoMachinesPlay) {
10317 SendToProgram(buf, &second);
10322 if (appData.icsActive) {
10323 if (appData.quietPlay &&
10324 (gameMode == IcsPlayingWhite ||
10325 gameMode == IcsPlayingBlack)) {
10326 SendToICS(ics_prefix);
10327 SendToICS("set shout 1\n");
10329 nextGameMode = IcsIdle;
10330 ics_user_moved = FALSE;
10331 /* clean up premove. It's ugly when the game has ended and the
10332 * premove highlights are still on the board.
10335 gotPremove = FALSE;
10336 ClearPremoveHighlights();
10337 DrawPosition(FALSE, boards[currentMove]);
10339 if (whosays == GE_ICS) {
10342 if (gameMode == IcsPlayingWhite)
10344 else if(gameMode == IcsPlayingBlack)
10345 PlayIcsLossSound();
10348 if (gameMode == IcsPlayingBlack)
10350 else if(gameMode == IcsPlayingWhite)
10351 PlayIcsLossSound();
10354 PlayIcsDrawSound();
10357 PlayIcsUnfinishedSound();
10360 } else if (gameMode == EditGame ||
10361 gameMode == PlayFromGameFile ||
10362 gameMode == AnalyzeMode ||
10363 gameMode == AnalyzeFile) {
10364 nextGameMode = gameMode;
10366 nextGameMode = EndOfGame;
10371 nextGameMode = gameMode;
10374 if (appData.noChessProgram) {
10375 gameMode = nextGameMode;
10377 endingGame = 0; /* [HGM] crash */
10382 /* Put first chess program into idle state */
10383 if (first.pr != NoProc &&
10384 (gameMode == MachinePlaysWhite ||
10385 gameMode == MachinePlaysBlack ||
10386 gameMode == TwoMachinesPlay ||
10387 gameMode == IcsPlayingWhite ||
10388 gameMode == IcsPlayingBlack ||
10389 gameMode == BeginningOfGame)) {
10390 SendToProgram("force\n", &first);
10391 if (first.usePing) {
10393 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10394 SendToProgram(buf, &first);
10397 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10398 /* Kill off first chess program */
10399 if (first.isr != NULL)
10400 RemoveInputSource(first.isr);
10403 if (first.pr != NoProc) {
10405 DoSleep( appData.delayBeforeQuit );
10406 SendToProgram("quit\n", &first);
10407 DoSleep( appData.delayAfterQuit );
10408 DestroyChildProcess(first.pr, first.useSigterm);
10412 if (second.reuse) {
10413 /* Put second chess program into idle state */
10414 if (second.pr != NoProc &&
10415 gameMode == TwoMachinesPlay) {
10416 SendToProgram("force\n", &second);
10417 if (second.usePing) {
10419 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10420 SendToProgram(buf, &second);
10423 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10424 /* Kill off second chess program */
10425 if (second.isr != NULL)
10426 RemoveInputSource(second.isr);
10429 if (second.pr != NoProc) {
10430 DoSleep( appData.delayBeforeQuit );
10431 SendToProgram("quit\n", &second);
10432 DoSleep( appData.delayAfterQuit );
10433 DestroyChildProcess(second.pr, second.useSigterm);
10435 second.pr = NoProc;
10438 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10439 char resChar = '=';
10443 if (first.twoMachinesColor[0] == 'w') {
10446 second.matchWins++;
10451 if (first.twoMachinesColor[0] == 'b') {
10454 second.matchWins++;
10457 case GameUnfinished:
10463 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10464 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10465 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10466 ReserveGame(nextGame, resChar); // sets nextGame
10467 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10468 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10469 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10471 if (nextGame <= appData.matchGames && !abortMatch) {
10472 gameMode = nextGameMode;
10473 matchGame = nextGame; // this will be overruled in tourney mode!
10474 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10475 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10476 endingGame = 0; /* [HGM] crash */
10479 gameMode = nextGameMode;
10480 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10481 first.tidy, second.tidy,
10482 first.matchWins, second.matchWins,
10483 appData.matchGames - (first.matchWins + second.matchWins));
10484 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10485 if(strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10486 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10487 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10488 first.twoMachinesColor = "black\n";
10489 second.twoMachinesColor = "white\n";
10491 first.twoMachinesColor = "white\n";
10492 second.twoMachinesColor = "black\n";
10496 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10497 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10499 gameMode = nextGameMode;
10501 endingGame = 0; /* [HGM] crash */
10502 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10503 if(matchMode == TRUE) { // match through command line: exit with or without popup
10505 ToNrEvent(forwardMostMove);
10506 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10508 } else DisplayFatalError(buf, 0, 0);
10509 } else { // match through menu; just stop, with or without popup
10510 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10513 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10514 } else DisplayNote(buf);
10516 if(ranking) free(ranking);
10520 /* Assumes program was just initialized (initString sent).
10521 Leaves program in force mode. */
10523 FeedMovesToProgram(cps, upto)
10524 ChessProgramState *cps;
10529 if (appData.debugMode)
10530 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10531 startedFromSetupPosition ? "position and " : "",
10532 backwardMostMove, upto, cps->which);
10533 if(currentlyInitializedVariant != gameInfo.variant) {
10535 // [HGM] variantswitch: make engine aware of new variant
10536 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10537 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10538 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10539 SendToProgram(buf, cps);
10540 currentlyInitializedVariant = gameInfo.variant;
10542 SendToProgram("force\n", cps);
10543 if (startedFromSetupPosition) {
10544 SendBoard(cps, backwardMostMove);
10545 if (appData.debugMode) {
10546 fprintf(debugFP, "feedMoves\n");
10549 for (i = backwardMostMove; i < upto; i++) {
10550 SendMoveToProgram(i, cps);
10556 ResurrectChessProgram()
10558 /* The chess program may have exited.
10559 If so, restart it and feed it all the moves made so far. */
10560 static int doInit = 0;
10562 if (appData.noChessProgram) return 1;
10564 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10565 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10566 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10567 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10569 if (first.pr != NoProc) return 1;
10570 StartChessProgram(&first);
10572 InitChessProgram(&first, FALSE);
10573 FeedMovesToProgram(&first, currentMove);
10575 if (!first.sendTime) {
10576 /* can't tell gnuchess what its clock should read,
10577 so we bow to its notion. */
10579 timeRemaining[0][currentMove] = whiteTimeRemaining;
10580 timeRemaining[1][currentMove] = blackTimeRemaining;
10583 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10584 appData.icsEngineAnalyze) && first.analysisSupport) {
10585 SendToProgram("analyze\n", &first);
10586 first.analyzing = TRUE;
10592 * Button procedures
10595 Reset(redraw, init)
10600 if (appData.debugMode) {
10601 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10602 redraw, init, gameMode);
10604 CleanupTail(); // [HGM] vari: delete any stored variations
10605 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10606 pausing = pauseExamInvalid = FALSE;
10607 startedFromSetupPosition = blackPlaysFirst = FALSE;
10609 whiteFlag = blackFlag = FALSE;
10610 userOfferedDraw = FALSE;
10611 hintRequested = bookRequested = FALSE;
10612 first.maybeThinking = FALSE;
10613 second.maybeThinking = FALSE;
10614 first.bookSuspend = FALSE; // [HGM] book
10615 second.bookSuspend = FALSE;
10616 thinkOutput[0] = NULLCHAR;
10617 lastHint[0] = NULLCHAR;
10618 ClearGameInfo(&gameInfo);
10619 gameInfo.variant = StringToVariant(appData.variant);
10620 ics_user_moved = ics_clock_paused = FALSE;
10621 ics_getting_history = H_FALSE;
10623 white_holding[0] = black_holding[0] = NULLCHAR;
10624 ClearProgramStats();
10625 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10629 flipView = appData.flipView;
10630 ClearPremoveHighlights();
10631 gotPremove = FALSE;
10632 alarmSounded = FALSE;
10634 GameEnds(EndOfFile, NULL, GE_PLAYER);
10635 if(appData.serverMovesName != NULL) {
10636 /* [HGM] prepare to make moves file for broadcasting */
10637 clock_t t = clock();
10638 if(serverMoves != NULL) fclose(serverMoves);
10639 serverMoves = fopen(appData.serverMovesName, "r");
10640 if(serverMoves != NULL) {
10641 fclose(serverMoves);
10642 /* delay 15 sec before overwriting, so all clients can see end */
10643 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10645 serverMoves = fopen(appData.serverMovesName, "w");
10649 gameMode = BeginningOfGame;
10651 if(appData.icsActive) gameInfo.variant = VariantNormal;
10652 currentMove = forwardMostMove = backwardMostMove = 0;
10653 InitPosition(redraw);
10654 for (i = 0; i < MAX_MOVES; i++) {
10655 if (commentList[i] != NULL) {
10656 free(commentList[i]);
10657 commentList[i] = NULL;
10661 timeRemaining[0][0] = whiteTimeRemaining;
10662 timeRemaining[1][0] = blackTimeRemaining;
10664 if (first.pr == NoProc) {
10665 StartChessProgram(&first);
10668 InitChessProgram(&first, startedFromSetupPosition);
10671 DisplayMessage("", "");
10672 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10673 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10680 if (!AutoPlayOneMove())
10682 if (matchMode || appData.timeDelay == 0)
10684 if (appData.timeDelay < 0)
10686 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10695 int fromX, fromY, toX, toY;
10697 if (appData.debugMode) {
10698 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10701 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10704 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10705 pvInfoList[currentMove].depth = programStats.depth;
10706 pvInfoList[currentMove].score = programStats.score;
10707 pvInfoList[currentMove].time = 0;
10708 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10711 if (currentMove >= forwardMostMove) {
10712 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10713 // gameMode = EndOfGame;
10714 // ModeHighlight();
10716 /* [AS] Clear current move marker at the end of a game */
10717 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10722 toX = moveList[currentMove][2] - AAA;
10723 toY = moveList[currentMove][3] - ONE;
10725 if (moveList[currentMove][1] == '@') {
10726 if (appData.highlightLastMove) {
10727 SetHighlights(-1, -1, toX, toY);
10730 fromX = moveList[currentMove][0] - AAA;
10731 fromY = moveList[currentMove][1] - ONE;
10733 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10735 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10737 if (appData.highlightLastMove) {
10738 SetHighlights(fromX, fromY, toX, toY);
10741 DisplayMove(currentMove);
10742 SendMoveToProgram(currentMove++, &first);
10743 DisplayBothClocks();
10744 DrawPosition(FALSE, boards[currentMove]);
10745 // [HGM] PV info: always display, routine tests if empty
10746 DisplayComment(currentMove - 1, commentList[currentMove]);
10752 LoadGameOneMove(readAhead)
10753 ChessMove readAhead;
10755 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10756 char promoChar = NULLCHAR;
10757 ChessMove moveType;
10758 char move[MSG_SIZ];
10761 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10762 gameMode != AnalyzeMode && gameMode != Training) {
10767 yyboardindex = forwardMostMove;
10768 if (readAhead != EndOfFile) {
10769 moveType = readAhead;
10771 if (gameFileFP == NULL)
10773 moveType = (ChessMove) Myylex();
10777 switch (moveType) {
10779 if (appData.debugMode)
10780 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10783 /* append the comment but don't display it */
10784 AppendComment(currentMove, p, FALSE);
10787 case WhiteCapturesEnPassant:
10788 case BlackCapturesEnPassant:
10789 case WhitePromotion:
10790 case BlackPromotion:
10791 case WhiteNonPromotion:
10792 case BlackNonPromotion:
10794 case WhiteKingSideCastle:
10795 case WhiteQueenSideCastle:
10796 case BlackKingSideCastle:
10797 case BlackQueenSideCastle:
10798 case WhiteKingSideCastleWild:
10799 case WhiteQueenSideCastleWild:
10800 case BlackKingSideCastleWild:
10801 case BlackQueenSideCastleWild:
10803 case WhiteHSideCastleFR:
10804 case WhiteASideCastleFR:
10805 case BlackHSideCastleFR:
10806 case BlackASideCastleFR:
10808 if (appData.debugMode)
10809 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10810 fromX = currentMoveString[0] - AAA;
10811 fromY = currentMoveString[1] - ONE;
10812 toX = currentMoveString[2] - AAA;
10813 toY = currentMoveString[3] - ONE;
10814 promoChar = currentMoveString[4];
10819 if (appData.debugMode)
10820 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10821 fromX = moveType == WhiteDrop ?
10822 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10823 (int) CharToPiece(ToLower(currentMoveString[0]));
10825 toX = currentMoveString[2] - AAA;
10826 toY = currentMoveString[3] - ONE;
10832 case GameUnfinished:
10833 if (appData.debugMode)
10834 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10835 p = strchr(yy_text, '{');
10836 if (p == NULL) p = strchr(yy_text, '(');
10839 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10841 q = strchr(p, *p == '{' ? '}' : ')');
10842 if (q != NULL) *q = NULLCHAR;
10845 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10846 GameEnds(moveType, p, GE_FILE);
10848 if (cmailMsgLoaded) {
10850 flipView = WhiteOnMove(currentMove);
10851 if (moveType == GameUnfinished) flipView = !flipView;
10852 if (appData.debugMode)
10853 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10858 if (appData.debugMode)
10859 fprintf(debugFP, "Parser hit end of file\n");
10860 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10866 if (WhiteOnMove(currentMove)) {
10867 GameEnds(BlackWins, "Black mates", GE_FILE);
10869 GameEnds(WhiteWins, "White mates", GE_FILE);
10873 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10879 case MoveNumberOne:
10880 if (lastLoadGameStart == GNUChessGame) {
10881 /* GNUChessGames have numbers, but they aren't move numbers */
10882 if (appData.debugMode)
10883 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10884 yy_text, (int) moveType);
10885 return LoadGameOneMove(EndOfFile); /* tail recursion */
10887 /* else fall thru */
10892 /* Reached start of next game in file */
10893 if (appData.debugMode)
10894 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10895 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10901 if (WhiteOnMove(currentMove)) {
10902 GameEnds(BlackWins, "Black mates", GE_FILE);
10904 GameEnds(WhiteWins, "White mates", GE_FILE);
10908 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10914 case PositionDiagram: /* should not happen; ignore */
10915 case ElapsedTime: /* ignore */
10916 case NAG: /* ignore */
10917 if (appData.debugMode)
10918 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10919 yy_text, (int) moveType);
10920 return LoadGameOneMove(EndOfFile); /* tail recursion */
10923 if (appData.testLegality) {
10924 if (appData.debugMode)
10925 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10926 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10927 (forwardMostMove / 2) + 1,
10928 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10929 DisplayError(move, 0);
10932 if (appData.debugMode)
10933 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10934 yy_text, currentMoveString);
10935 fromX = currentMoveString[0] - AAA;
10936 fromY = currentMoveString[1] - ONE;
10937 toX = currentMoveString[2] - AAA;
10938 toY = currentMoveString[3] - ONE;
10939 promoChar = currentMoveString[4];
10943 case AmbiguousMove:
10944 if (appData.debugMode)
10945 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10946 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10947 (forwardMostMove / 2) + 1,
10948 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10949 DisplayError(move, 0);
10954 case ImpossibleMove:
10955 if (appData.debugMode)
10956 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10957 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10958 (forwardMostMove / 2) + 1,
10959 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10960 DisplayError(move, 0);
10966 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10967 DrawPosition(FALSE, boards[currentMove]);
10968 DisplayBothClocks();
10969 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10970 DisplayComment(currentMove - 1, commentList[currentMove]);
10972 (void) StopLoadGameTimer();
10974 cmailOldMove = forwardMostMove;
10977 /* currentMoveString is set as a side-effect of yylex */
10979 thinkOutput[0] = NULLCHAR;
10980 MakeMove(fromX, fromY, toX, toY, promoChar);
10981 currentMove = forwardMostMove;
10986 /* Load the nth game from the given file */
10988 LoadGameFromFile(filename, n, title, useList)
10992 /*Boolean*/ int useList;
10997 if (strcmp(filename, "-") == 0) {
11001 f = fopen(filename, "rb");
11003 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11004 DisplayError(buf, errno);
11008 if (fseek(f, 0, 0) == -1) {
11009 /* f is not seekable; probably a pipe */
11012 if (useList && n == 0) {
11013 int error = GameListBuild(f);
11015 DisplayError(_("Cannot build game list"), error);
11016 } else if (!ListEmpty(&gameList) &&
11017 ((ListGame *) gameList.tailPred)->number > 1) {
11018 GameListPopUp(f, title);
11025 return LoadGame(f, n, title, FALSE);
11030 MakeRegisteredMove()
11032 int fromX, fromY, toX, toY;
11034 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11035 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11038 if (appData.debugMode)
11039 fprintf(debugFP, "Restoring %s for game %d\n",
11040 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11042 thinkOutput[0] = NULLCHAR;
11043 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11044 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11045 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11046 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11047 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11048 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11049 MakeMove(fromX, fromY, toX, toY, promoChar);
11050 ShowMove(fromX, fromY, toX, toY);
11052 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11059 if (WhiteOnMove(currentMove)) {
11060 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11062 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11067 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11074 if (WhiteOnMove(currentMove)) {
11075 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11077 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11082 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11093 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11095 CmailLoadGame(f, gameNumber, title, useList)
11103 if (gameNumber > nCmailGames) {
11104 DisplayError(_("No more games in this message"), 0);
11107 if (f == lastLoadGameFP) {
11108 int offset = gameNumber - lastLoadGameNumber;
11110 cmailMsg[0] = NULLCHAR;
11111 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11112 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11113 nCmailMovesRegistered--;
11115 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11116 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11117 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11120 if (! RegisterMove()) return FALSE;
11124 retVal = LoadGame(f, gameNumber, title, useList);
11126 /* Make move registered during previous look at this game, if any */
11127 MakeRegisteredMove();
11129 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11130 commentList[currentMove]
11131 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11132 DisplayComment(currentMove - 1, commentList[currentMove]);
11138 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11143 int gameNumber = lastLoadGameNumber + offset;
11144 if (lastLoadGameFP == NULL) {
11145 DisplayError(_("No game has been loaded yet"), 0);
11148 if (gameNumber <= 0) {
11149 DisplayError(_("Can't back up any further"), 0);
11152 if (cmailMsgLoaded) {
11153 return CmailLoadGame(lastLoadGameFP, gameNumber,
11154 lastLoadGameTitle, lastLoadGameUseList);
11156 return LoadGame(lastLoadGameFP, gameNumber,
11157 lastLoadGameTitle, lastLoadGameUseList);
11161 int keys[EmptySquare+1];
11164 PositionMatches(Board b1, Board b2)
11167 switch(appData.searchMode) {
11168 case 1: return CompareWithRights(b1, b2);
11170 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11171 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11175 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11176 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11177 sum += keys[b1[r][f]] - keys[b2[r][f]];
11181 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11182 sum += keys[b1[r][f]] - keys[b2[r][f]];
11194 int pieceList[256], quickBoard[256];
11195 ChessSquare pieceType[256] = { EmptySquare };
11196 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11197 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11198 int soughtTotal, turn;
11199 Boolean epOK, flipSearch;
11202 unsigned char piece, to;
11205 #define DSIZE (250000)
11207 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11208 Move *moveDatabase = initialSpace;
11209 unsigned int movePtr, dataSize = DSIZE;
11211 int MakePieceList(Board board, int *counts)
11213 int r, f, n=Q_PROMO, total=0;
11214 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11215 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11216 int sq = f + (r<<4);
11217 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11218 quickBoard[sq] = ++n;
11220 pieceType[n] = board[r][f];
11221 counts[board[r][f]]++;
11222 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11223 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11227 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11231 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11233 int sq = fromX + (fromY<<4);
11234 int piece = quickBoard[sq];
11235 quickBoard[sq] = 0;
11236 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11237 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11238 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11239 moveDatabase[movePtr++].piece = Q_WCASTL;
11240 quickBoard[sq] = piece;
11241 piece = quickBoard[from]; quickBoard[from] = 0;
11242 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11244 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11245 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11246 moveDatabase[movePtr++].piece = Q_BCASTL;
11247 quickBoard[sq] = piece;
11248 piece = quickBoard[from]; quickBoard[from] = 0;
11249 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11251 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11252 quickBoard[(fromY<<4)+toX] = 0;
11253 moveDatabase[movePtr].piece = Q_EP;
11254 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11255 moveDatabase[movePtr].to = sq;
11257 if(promoPiece != pieceType[piece]) {
11258 moveDatabase[movePtr++].piece = Q_PROMO;
11259 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11261 moveDatabase[movePtr].piece = piece;
11262 quickBoard[sq] = piece;
11266 int PackGame(Board board)
11268 Move *newSpace = NULL;
11269 moveDatabase[movePtr].piece = 0; // terminate previous game
11270 if(movePtr > dataSize) {
11271 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11272 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11273 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11276 Move *p = moveDatabase, *q = newSpace;
11277 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11278 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11279 moveDatabase = newSpace;
11280 } else { // calloc failed, we must be out of memory. Too bad...
11281 dataSize = 0; // prevent calloc events for all subsequent games
11282 return 0; // and signal this one isn't cached
11286 MakePieceList(board, counts);
11290 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11291 { // compare according to search mode
11293 switch(appData.searchMode)
11295 case 1: // exact position match
11296 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11297 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11298 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11301 case 2: // can have extra material on empty squares
11302 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11303 if(board[r][f] == EmptySquare) continue;
11304 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11307 case 3: // material with exact Pawn structure
11308 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11309 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11310 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11311 } // fall through to material comparison
11312 case 4: // exact material
11313 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11315 case 6: // material range with given imbalance
11316 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11317 // fall through to range comparison
11318 case 5: // material range
11319 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11324 int QuickScan(Board board, Move *move)
11325 { // reconstruct game,and compare all positions in it
11326 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11328 int piece = move->piece;
11329 int to = move->to, from = pieceList[piece];
11330 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11331 if(!piece) return -1;
11332 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11333 piece = (++move)->piece;
11334 from = pieceList[piece];
11335 counts[pieceType[piece]]--;
11336 pieceType[piece] = (ChessSquare) move->to;
11337 counts[move->to]++;
11338 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11339 counts[pieceType[quickBoard[to]]]--;
11340 quickBoard[to] = 0; total--;
11343 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11344 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11345 from = pieceList[piece]; // so this must be King
11346 quickBoard[from] = 0;
11347 quickBoard[to] = piece;
11348 pieceList[piece] = to;
11353 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11354 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11355 quickBoard[from] = 0;
11356 quickBoard[to] = piece;
11357 pieceList[piece] = to;
11359 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11360 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11361 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11362 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11364 static int lastCounts[EmptySquare+1];
11366 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11367 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11368 } else stretch = 0;
11369 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11377 flipSearch = FALSE;
11378 CopyBoard(soughtBoard, boards[currentMove]);
11379 soughtTotal = MakePieceList(soughtBoard, maxSought);
11380 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11381 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11382 CopyBoard(reverseBoard, boards[currentMove]);
11383 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11384 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11385 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11386 reverseBoard[r][f] = piece;
11388 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11389 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11390 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11391 || (boards[currentMove][CASTLING][2] == NoRights ||
11392 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11393 && (boards[currentMove][CASTLING][5] == NoRights ||
11394 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11397 CopyBoard(flipBoard, soughtBoard);
11398 CopyBoard(rotateBoard, reverseBoard);
11399 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11400 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11401 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11404 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11405 if(appData.searchMode >= 5) {
11406 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11407 MakePieceList(soughtBoard, minSought);
11408 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11410 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11411 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11414 GameInfo dummyInfo;
11416 int GameContainsPosition(FILE *f, ListGame *lg)
11418 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11419 int fromX, fromY, toX, toY;
11421 static int initDone=FALSE;
11423 // weed out games based on numerical tag comparison
11424 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11425 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11426 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11427 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11429 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11432 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11433 else CopyBoard(boards[scratch], initialPosition); // default start position
11436 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11437 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11440 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11441 fseek(f, lg->offset, 0);
11444 yyboardindex = scratch;
11445 quickFlag = plyNr+1;
11450 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11456 if(plyNr) return -1; // after we have seen moves, this is for new game
11459 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11460 case ImpossibleMove:
11461 case WhiteWins: // game ends here with these four
11464 case GameUnfinished:
11468 if(appData.testLegality) return -1;
11469 case WhiteCapturesEnPassant:
11470 case BlackCapturesEnPassant:
11471 case WhitePromotion:
11472 case BlackPromotion:
11473 case WhiteNonPromotion:
11474 case BlackNonPromotion:
11476 case WhiteKingSideCastle:
11477 case WhiteQueenSideCastle:
11478 case BlackKingSideCastle:
11479 case BlackQueenSideCastle:
11480 case WhiteKingSideCastleWild:
11481 case WhiteQueenSideCastleWild:
11482 case BlackKingSideCastleWild:
11483 case BlackQueenSideCastleWild:
11484 case WhiteHSideCastleFR:
11485 case WhiteASideCastleFR:
11486 case BlackHSideCastleFR:
11487 case BlackASideCastleFR:
11488 fromX = currentMoveString[0] - AAA;
11489 fromY = currentMoveString[1] - ONE;
11490 toX = currentMoveString[2] - AAA;
11491 toY = currentMoveString[3] - ONE;
11492 promoChar = currentMoveString[4];
11496 fromX = next == WhiteDrop ?
11497 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11498 (int) CharToPiece(ToLower(currentMoveString[0]));
11500 toX = currentMoveString[2] - AAA;
11501 toY = currentMoveString[3] - ONE;
11505 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11507 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11508 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11509 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11510 if(appData.findMirror) {
11511 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11512 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11517 /* Load the nth game from open file f */
11519 LoadGame(f, gameNumber, title, useList)
11527 int gn = gameNumber;
11528 ListGame *lg = NULL;
11529 int numPGNTags = 0;
11531 GameMode oldGameMode;
11532 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11534 if (appData.debugMode)
11535 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11537 if (gameMode == Training )
11538 SetTrainingModeOff();
11540 oldGameMode = gameMode;
11541 if (gameMode != BeginningOfGame) {
11542 Reset(FALSE, TRUE);
11546 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11547 fclose(lastLoadGameFP);
11551 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11554 fseek(f, lg->offset, 0);
11555 GameListHighlight(gameNumber);
11556 pos = lg->position;
11560 DisplayError(_("Game number out of range"), 0);
11565 if (fseek(f, 0, 0) == -1) {
11566 if (f == lastLoadGameFP ?
11567 gameNumber == lastLoadGameNumber + 1 :
11571 DisplayError(_("Can't seek on game file"), 0);
11576 lastLoadGameFP = f;
11577 lastLoadGameNumber = gameNumber;
11578 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11579 lastLoadGameUseList = useList;
11583 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11584 snprintf(buf, sizeof(buf), _("%s vs. %s"), lg->gameInfo.white,
11585 lg->gameInfo.black);
11587 } else if (*title != NULLCHAR) {
11588 if (gameNumber > 1) {
11589 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11592 DisplayTitle(title);
11596 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11597 gameMode = PlayFromGameFile;
11601 currentMove = forwardMostMove = backwardMostMove = 0;
11602 CopyBoard(boards[0], initialPosition);
11606 * Skip the first gn-1 games in the file.
11607 * Also skip over anything that precedes an identifiable
11608 * start of game marker, to avoid being confused by
11609 * garbage at the start of the file. Currently
11610 * recognized start of game markers are the move number "1",
11611 * the pattern "gnuchess .* game", the pattern
11612 * "^[#;%] [^ ]* game file", and a PGN tag block.
11613 * A game that starts with one of the latter two patterns
11614 * will also have a move number 1, possibly
11615 * following a position diagram.
11616 * 5-4-02: Let's try being more lenient and allowing a game to
11617 * start with an unnumbered move. Does that break anything?
11619 cm = lastLoadGameStart = EndOfFile;
11621 yyboardindex = forwardMostMove;
11622 cm = (ChessMove) Myylex();
11625 if (cmailMsgLoaded) {
11626 nCmailGames = CMAIL_MAX_GAMES - gn;
11629 DisplayError(_("Game not found in file"), 0);
11636 lastLoadGameStart = cm;
11639 case MoveNumberOne:
11640 switch (lastLoadGameStart) {
11645 case MoveNumberOne:
11647 gn--; /* count this game */
11648 lastLoadGameStart = cm;
11657 switch (lastLoadGameStart) {
11660 case MoveNumberOne:
11662 gn--; /* count this game */
11663 lastLoadGameStart = cm;
11666 lastLoadGameStart = cm; /* game counted already */
11674 yyboardindex = forwardMostMove;
11675 cm = (ChessMove) Myylex();
11676 } while (cm == PGNTag || cm == Comment);
11683 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11684 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11685 != CMAIL_OLD_RESULT) {
11687 cmailResult[ CMAIL_MAX_GAMES
11688 - gn - 1] = CMAIL_OLD_RESULT;
11694 /* Only a NormalMove can be at the start of a game
11695 * without a position diagram. */
11696 if (lastLoadGameStart == EndOfFile ) {
11698 lastLoadGameStart = MoveNumberOne;
11707 if (appData.debugMode)
11708 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11710 if (cm == XBoardGame) {
11711 /* Skip any header junk before position diagram and/or move 1 */
11713 yyboardindex = forwardMostMove;
11714 cm = (ChessMove) Myylex();
11716 if (cm == EndOfFile ||
11717 cm == GNUChessGame || cm == XBoardGame) {
11718 /* Empty game; pretend end-of-file and handle later */
11723 if (cm == MoveNumberOne || cm == PositionDiagram ||
11724 cm == PGNTag || cm == Comment)
11727 } else if (cm == GNUChessGame) {
11728 if (gameInfo.event != NULL) {
11729 free(gameInfo.event);
11731 gameInfo.event = StrSave(yy_text);
11734 startedFromSetupPosition = FALSE;
11735 while (cm == PGNTag) {
11736 if (appData.debugMode)
11737 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11738 err = ParsePGNTag(yy_text, &gameInfo);
11739 if (!err) numPGNTags++;
11741 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11742 if(gameInfo.variant != oldVariant) {
11743 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11744 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11745 InitPosition(TRUE);
11746 oldVariant = gameInfo.variant;
11747 if (appData.debugMode)
11748 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11752 if (gameInfo.fen != NULL) {
11753 Board initial_position;
11754 startedFromSetupPosition = TRUE;
11755 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11757 DisplayError(_("Bad FEN position in file"), 0);
11760 CopyBoard(boards[0], initial_position);
11761 if (blackPlaysFirst) {
11762 currentMove = forwardMostMove = backwardMostMove = 1;
11763 CopyBoard(boards[1], initial_position);
11764 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11765 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11766 timeRemaining[0][1] = whiteTimeRemaining;
11767 timeRemaining[1][1] = blackTimeRemaining;
11768 if (commentList[0] != NULL) {
11769 commentList[1] = commentList[0];
11770 commentList[0] = NULL;
11773 currentMove = forwardMostMove = backwardMostMove = 0;
11775 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11777 initialRulePlies = FENrulePlies;
11778 for( i=0; i< nrCastlingRights; i++ )
11779 initialRights[i] = initial_position[CASTLING][i];
11781 yyboardindex = forwardMostMove;
11782 free(gameInfo.fen);
11783 gameInfo.fen = NULL;
11786 yyboardindex = forwardMostMove;
11787 cm = (ChessMove) Myylex();
11789 /* Handle comments interspersed among the tags */
11790 while (cm == Comment) {
11792 if (appData.debugMode)
11793 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11795 AppendComment(currentMove, p, FALSE);
11796 yyboardindex = forwardMostMove;
11797 cm = (ChessMove) Myylex();
11801 /* don't rely on existence of Event tag since if game was
11802 * pasted from clipboard the Event tag may not exist
11804 if (numPGNTags > 0){
11806 if (gameInfo.variant == VariantNormal) {
11807 VariantClass v = StringToVariant(gameInfo.event);
11808 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11809 if(v < VariantShogi) gameInfo.variant = v;
11812 if( appData.autoDisplayTags ) {
11813 tags = PGNTags(&gameInfo);
11814 TagsPopUp(tags, CmailMsg());
11819 /* Make something up, but don't display it now */
11824 if (cm == PositionDiagram) {
11827 Board initial_position;
11829 if (appData.debugMode)
11830 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11832 if (!startedFromSetupPosition) {
11834 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11835 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11846 initial_position[i][j++] = CharToPiece(*p);
11849 while (*p == ' ' || *p == '\t' ||
11850 *p == '\n' || *p == '\r') p++;
11852 if (strncmp(p, "black", strlen("black"))==0)
11853 blackPlaysFirst = TRUE;
11855 blackPlaysFirst = FALSE;
11856 startedFromSetupPosition = TRUE;
11858 CopyBoard(boards[0], initial_position);
11859 if (blackPlaysFirst) {
11860 currentMove = forwardMostMove = backwardMostMove = 1;
11861 CopyBoard(boards[1], initial_position);
11862 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11863 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11864 timeRemaining[0][1] = whiteTimeRemaining;
11865 timeRemaining[1][1] = blackTimeRemaining;
11866 if (commentList[0] != NULL) {
11867 commentList[1] = commentList[0];
11868 commentList[0] = NULL;
11871 currentMove = forwardMostMove = backwardMostMove = 0;
11874 yyboardindex = forwardMostMove;
11875 cm = (ChessMove) Myylex();
11878 if (first.pr == NoProc) {
11879 StartChessProgram(&first);
11881 InitChessProgram(&first, FALSE);
11882 SendToProgram("force\n", &first);
11883 if (startedFromSetupPosition) {
11884 SendBoard(&first, forwardMostMove);
11885 if (appData.debugMode) {
11886 fprintf(debugFP, "Load Game\n");
11888 DisplayBothClocks();
11891 /* [HGM] server: flag to write setup moves in broadcast file as one */
11892 loadFlag = appData.suppressLoadMoves;
11894 while (cm == Comment) {
11896 if (appData.debugMode)
11897 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11899 AppendComment(currentMove, p, FALSE);
11900 yyboardindex = forwardMostMove;
11901 cm = (ChessMove) Myylex();
11904 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11905 cm == WhiteWins || cm == BlackWins ||
11906 cm == GameIsDrawn || cm == GameUnfinished) {
11907 DisplayMessage("", _("No moves in game"));
11908 if (cmailMsgLoaded) {
11909 if (appData.debugMode)
11910 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11914 DrawPosition(FALSE, boards[currentMove]);
11915 DisplayBothClocks();
11916 gameMode = EditGame;
11923 // [HGM] PV info: routine tests if comment empty
11924 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11925 DisplayComment(currentMove - 1, commentList[currentMove]);
11927 if (!matchMode && appData.timeDelay != 0)
11928 DrawPosition(FALSE, boards[currentMove]);
11930 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11931 programStats.ok_to_send = 1;
11934 /* if the first token after the PGN tags is a move
11935 * and not move number 1, retrieve it from the parser
11937 if (cm != MoveNumberOne)
11938 LoadGameOneMove(cm);
11940 /* load the remaining moves from the file */
11941 while (LoadGameOneMove(EndOfFile)) {
11942 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11943 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11946 /* rewind to the start of the game */
11947 currentMove = backwardMostMove;
11949 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11951 if (oldGameMode == AnalyzeFile ||
11952 oldGameMode == AnalyzeMode) {
11953 AnalyzeFileEvent();
11956 if (!matchMode && pos >= 0) {
11957 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11959 if (matchMode || appData.timeDelay == 0) {
11961 } else if (appData.timeDelay > 0) {
11962 AutoPlayGameLoop();
11965 if (appData.debugMode)
11966 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11968 loadFlag = 0; /* [HGM] true game starts */
11972 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11974 ReloadPosition(offset)
11977 int positionNumber = lastLoadPositionNumber + offset;
11978 if (lastLoadPositionFP == NULL) {
11979 DisplayError(_("No position has been loaded yet"), 0);
11982 if (positionNumber <= 0) {
11983 DisplayError(_("Can't back up any further"), 0);
11986 return LoadPosition(lastLoadPositionFP, positionNumber,
11987 lastLoadPositionTitle);
11990 /* Load the nth position from the given file */
11992 LoadPositionFromFile(filename, n, title)
12000 if (strcmp(filename, "-") == 0) {
12001 return LoadPosition(stdin, n, "stdin");
12003 f = fopen(filename, "rb");
12005 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12006 DisplayError(buf, errno);
12009 return LoadPosition(f, n, title);
12014 /* Load the nth position from the given open file, and close it */
12016 LoadPosition(f, positionNumber, title)
12018 int positionNumber;
12021 char *p, line[MSG_SIZ];
12022 Board initial_position;
12023 int i, j, fenMode, pn;
12025 if (gameMode == Training )
12026 SetTrainingModeOff();
12028 if (gameMode != BeginningOfGame) {
12029 Reset(FALSE, TRUE);
12031 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12032 fclose(lastLoadPositionFP);
12034 if (positionNumber == 0) positionNumber = 1;
12035 lastLoadPositionFP = f;
12036 lastLoadPositionNumber = positionNumber;
12037 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12038 if (first.pr == NoProc && !appData.noChessProgram) {
12039 StartChessProgram(&first);
12040 InitChessProgram(&first, FALSE);
12042 pn = positionNumber;
12043 if (positionNumber < 0) {
12044 /* Negative position number means to seek to that byte offset */
12045 if (fseek(f, -positionNumber, 0) == -1) {
12046 DisplayError(_("Can't seek on position file"), 0);
12051 if (fseek(f, 0, 0) == -1) {
12052 if (f == lastLoadPositionFP ?
12053 positionNumber == lastLoadPositionNumber + 1 :
12054 positionNumber == 1) {
12057 DisplayError(_("Can't seek on position file"), 0);
12062 /* See if this file is FEN or old-style xboard */
12063 if (fgets(line, MSG_SIZ, f) == NULL) {
12064 DisplayError(_("Position not found in file"), 0);
12067 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12068 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12071 if (fenMode || line[0] == '#') pn--;
12073 /* skip positions before number pn */
12074 if (fgets(line, MSG_SIZ, f) == NULL) {
12076 DisplayError(_("Position not found in file"), 0);
12079 if (fenMode || line[0] == '#') pn--;
12084 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12085 DisplayError(_("Bad FEN position in file"), 0);
12089 (void) fgets(line, MSG_SIZ, f);
12090 (void) fgets(line, MSG_SIZ, f);
12092 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12093 (void) fgets(line, MSG_SIZ, f);
12094 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12097 initial_position[i][j++] = CharToPiece(*p);
12101 blackPlaysFirst = FALSE;
12103 (void) fgets(line, MSG_SIZ, f);
12104 if (strncmp(line, "black", strlen("black"))==0)
12105 blackPlaysFirst = TRUE;
12108 startedFromSetupPosition = TRUE;
12110 CopyBoard(boards[0], initial_position);
12111 if (blackPlaysFirst) {
12112 currentMove = forwardMostMove = backwardMostMove = 1;
12113 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12114 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12115 CopyBoard(boards[1], initial_position);
12116 DisplayMessage("", _("Black to play"));
12118 currentMove = forwardMostMove = backwardMostMove = 0;
12119 DisplayMessage("", _("White to play"));
12121 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12122 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12123 SendToProgram("force\n", &first);
12124 SendBoard(&first, forwardMostMove);
12126 if (appData.debugMode) {
12128 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12129 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12130 fprintf(debugFP, "Load Position\n");
12133 if (positionNumber > 1) {
12134 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12135 DisplayTitle(line);
12137 DisplayTitle(title);
12139 gameMode = EditGame;
12142 timeRemaining[0][1] = whiteTimeRemaining;
12143 timeRemaining[1][1] = blackTimeRemaining;
12144 DrawPosition(FALSE, boards[currentMove]);
12151 CopyPlayerNameIntoFileName(dest, src)
12154 while (*src != NULLCHAR && *src != ',') {
12159 *(*dest)++ = *src++;
12164 char *DefaultFileName(ext)
12167 static char def[MSG_SIZ];
12170 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12172 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12174 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12176 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12183 /* Save the current game to the given file */
12185 SaveGameToFile(filename, append)
12191 int result, i, t,tot=0;
12193 if (strcmp(filename, "-") == 0) {
12194 return SaveGame(stdout, 0, NULL);
12196 for(i=0; i<10; i++) { // upto 10 tries
12197 f = fopen(filename, append ? "a" : "w");
12198 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12199 if(f || errno != 13) break;
12200 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12204 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12205 DisplayError(buf, errno);
12208 safeStrCpy(buf, lastMsg, MSG_SIZ);
12209 DisplayMessage(_("Waiting for access to save file"), "");
12210 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12211 DisplayMessage(_("Saving game"), "");
12212 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12213 result = SaveGame(f, 0, NULL);
12214 DisplayMessage(buf, "");
12224 static char buf[MSG_SIZ];
12227 p = strchr(str, ' ');
12228 if (p == NULL) return str;
12229 strncpy(buf, str, p - str);
12230 buf[p - str] = NULLCHAR;
12234 #define PGN_MAX_LINE 75
12236 #define PGN_SIDE_WHITE 0
12237 #define PGN_SIDE_BLACK 1
12240 static int FindFirstMoveOutOfBook( int side )
12244 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12245 int index = backwardMostMove;
12246 int has_book_hit = 0;
12248 if( (index % 2) != side ) {
12252 while( index < forwardMostMove ) {
12253 /* Check to see if engine is in book */
12254 int depth = pvInfoList[index].depth;
12255 int score = pvInfoList[index].score;
12261 else if( score == 0 && depth == 63 ) {
12262 in_book = 1; /* Zappa */
12264 else if( score == 2 && depth == 99 ) {
12265 in_book = 1; /* Abrok */
12268 has_book_hit += in_book;
12284 void GetOutOfBookInfo( char * buf )
12288 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12290 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12291 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12295 if( oob[0] >= 0 || oob[1] >= 0 ) {
12296 for( i=0; i<2; i++ ) {
12300 if( i > 0 && oob[0] >= 0 ) {
12301 strcat( buf, " " );
12304 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12305 sprintf( buf+strlen(buf), "%s%.2f",
12306 pvInfoList[idx].score >= 0 ? "+" : "",
12307 pvInfoList[idx].score / 100.0 );
12313 /* Save game in PGN style and close the file */
12318 int i, offset, linelen, newblock;
12322 int movelen, numlen, blank;
12323 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12325 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12327 tm = time((time_t *) NULL);
12329 PrintPGNTags(f, &gameInfo);
12331 if (backwardMostMove > 0 || startedFromSetupPosition) {
12332 char *fen = PositionToFEN(backwardMostMove, NULL);
12333 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12334 fprintf(f, "\n{--------------\n");
12335 PrintPosition(f, backwardMostMove);
12336 fprintf(f, "--------------}\n");
12340 /* [AS] Out of book annotation */
12341 if( appData.saveOutOfBookInfo ) {
12344 GetOutOfBookInfo( buf );
12346 if( buf[0] != '\0' ) {
12347 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12354 i = backwardMostMove;
12358 while (i < forwardMostMove) {
12359 /* Print comments preceding this move */
12360 if (commentList[i] != NULL) {
12361 if (linelen > 0) fprintf(f, "\n");
12362 fprintf(f, "%s", commentList[i]);
12367 /* Format move number */
12369 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12372 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12374 numtext[0] = NULLCHAR;
12376 numlen = strlen(numtext);
12379 /* Print move number */
12380 blank = linelen > 0 && numlen > 0;
12381 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12390 fprintf(f, "%s", numtext);
12394 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12395 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12398 blank = linelen > 0 && movelen > 0;
12399 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12408 fprintf(f, "%s", move_buffer);
12409 linelen += movelen;
12411 /* [AS] Add PV info if present */
12412 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12413 /* [HGM] add time */
12414 char buf[MSG_SIZ]; int seconds;
12416 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12422 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12425 seconds = (seconds + 4)/10; // round to full seconds
12427 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12429 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12432 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12433 pvInfoList[i].score >= 0 ? "+" : "",
12434 pvInfoList[i].score / 100.0,
12435 pvInfoList[i].depth,
12438 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12440 /* Print score/depth */
12441 blank = linelen > 0 && movelen > 0;
12442 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12451 fprintf(f, "%s", move_buffer);
12452 linelen += movelen;
12458 /* Start a new line */
12459 if (linelen > 0) fprintf(f, "\n");
12461 /* Print comments after last move */
12462 if (commentList[i] != NULL) {
12463 fprintf(f, "%s\n", commentList[i]);
12467 if (gameInfo.resultDetails != NULL &&
12468 gameInfo.resultDetails[0] != NULLCHAR) {
12469 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12470 PGNResult(gameInfo.result));
12472 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12476 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12480 /* Save game in old style and close the file */
12482 SaveGameOldStyle(f)
12488 tm = time((time_t *) NULL);
12490 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12493 if (backwardMostMove > 0 || startedFromSetupPosition) {
12494 fprintf(f, "\n[--------------\n");
12495 PrintPosition(f, backwardMostMove);
12496 fprintf(f, "--------------]\n");
12501 i = backwardMostMove;
12502 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12504 while (i < forwardMostMove) {
12505 if (commentList[i] != NULL) {
12506 fprintf(f, "[%s]\n", commentList[i]);
12509 if ((i % 2) == 1) {
12510 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12513 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12515 if (commentList[i] != NULL) {
12519 if (i >= forwardMostMove) {
12523 fprintf(f, "%s\n", parseList[i]);
12528 if (commentList[i] != NULL) {
12529 fprintf(f, "[%s]\n", commentList[i]);
12532 /* This isn't really the old style, but it's close enough */
12533 if (gameInfo.resultDetails != NULL &&
12534 gameInfo.resultDetails[0] != NULLCHAR) {
12535 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12536 gameInfo.resultDetails);
12538 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12545 /* Save the current game to open file f and close the file */
12547 SaveGame(f, dummy, dummy2)
12552 if (gameMode == EditPosition) EditPositionDone(TRUE);
12553 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12554 if (appData.oldSaveStyle)
12555 return SaveGameOldStyle(f);
12557 return SaveGamePGN(f);
12560 /* Save the current position to the given file */
12562 SavePositionToFile(filename)
12568 if (strcmp(filename, "-") == 0) {
12569 return SavePosition(stdout, 0, NULL);
12571 f = fopen(filename, "a");
12573 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12574 DisplayError(buf, errno);
12577 safeStrCpy(buf, lastMsg, MSG_SIZ);
12578 DisplayMessage(_("Waiting for access to save file"), "");
12579 flock(fileno(f), LOCK_EX); // [HGM] lock
12580 DisplayMessage(_("Saving position"), "");
12581 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12582 SavePosition(f, 0, NULL);
12583 DisplayMessage(buf, "");
12589 /* Save the current position to the given open file and close the file */
12591 SavePosition(f, dummy, dummy2)
12599 if (gameMode == EditPosition) EditPositionDone(TRUE);
12600 if (appData.oldSaveStyle) {
12601 tm = time((time_t *) NULL);
12603 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12605 fprintf(f, "[--------------\n");
12606 PrintPosition(f, currentMove);
12607 fprintf(f, "--------------]\n");
12609 fen = PositionToFEN(currentMove, NULL);
12610 fprintf(f, "%s\n", fen);
12618 ReloadCmailMsgEvent(unregister)
12622 static char *inFilename = NULL;
12623 static char *outFilename;
12625 struct stat inbuf, outbuf;
12628 /* Any registered moves are unregistered if unregister is set, */
12629 /* i.e. invoked by the signal handler */
12631 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12632 cmailMoveRegistered[i] = FALSE;
12633 if (cmailCommentList[i] != NULL) {
12634 free(cmailCommentList[i]);
12635 cmailCommentList[i] = NULL;
12638 nCmailMovesRegistered = 0;
12641 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12642 cmailResult[i] = CMAIL_NOT_RESULT;
12646 if (inFilename == NULL) {
12647 /* Because the filenames are static they only get malloced once */
12648 /* and they never get freed */
12649 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12650 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12652 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12653 sprintf(outFilename, "%s.out", appData.cmailGameName);
12656 status = stat(outFilename, &outbuf);
12658 cmailMailedMove = FALSE;
12660 status = stat(inFilename, &inbuf);
12661 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12664 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12665 counts the games, notes how each one terminated, etc.
12667 It would be nice to remove this kludge and instead gather all
12668 the information while building the game list. (And to keep it
12669 in the game list nodes instead of having a bunch of fixed-size
12670 parallel arrays.) Note this will require getting each game's
12671 termination from the PGN tags, as the game list builder does
12672 not process the game moves. --mann
12674 cmailMsgLoaded = TRUE;
12675 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12677 /* Load first game in the file or popup game menu */
12678 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12680 #endif /* !WIN32 */
12688 char string[MSG_SIZ];
12690 if ( cmailMailedMove
12691 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12692 return TRUE; /* Allow free viewing */
12695 /* Unregister move to ensure that we don't leave RegisterMove */
12696 /* with the move registered when the conditions for registering no */
12698 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12699 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12700 nCmailMovesRegistered --;
12702 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12704 free(cmailCommentList[lastLoadGameNumber - 1]);
12705 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12709 if (cmailOldMove == -1) {
12710 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12714 if (currentMove > cmailOldMove + 1) {
12715 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12719 if (currentMove < cmailOldMove) {
12720 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12724 if (forwardMostMove > currentMove) {
12725 /* Silently truncate extra moves */
12729 if ( (currentMove == cmailOldMove + 1)
12730 || ( (currentMove == cmailOldMove)
12731 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12732 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12733 if (gameInfo.result != GameUnfinished) {
12734 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12737 if (commentList[currentMove] != NULL) {
12738 cmailCommentList[lastLoadGameNumber - 1]
12739 = StrSave(commentList[currentMove]);
12741 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12743 if (appData.debugMode)
12744 fprintf(debugFP, "Saving %s for game %d\n",
12745 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12747 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12749 f = fopen(string, "w");
12750 if (appData.oldSaveStyle) {
12751 SaveGameOldStyle(f); /* also closes the file */
12753 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12754 f = fopen(string, "w");
12755 SavePosition(f, 0, NULL); /* also closes the file */
12757 fprintf(f, "{--------------\n");
12758 PrintPosition(f, currentMove);
12759 fprintf(f, "--------------}\n\n");
12761 SaveGame(f, 0, NULL); /* also closes the file*/
12764 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12765 nCmailMovesRegistered ++;
12766 } else if (nCmailGames == 1) {
12767 DisplayError(_("You have not made a move yet"), 0);
12778 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12779 FILE *commandOutput;
12780 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12781 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12787 if (! cmailMsgLoaded) {
12788 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12792 if (nCmailGames == nCmailResults) {
12793 DisplayError(_("No unfinished games"), 0);
12797 #if CMAIL_PROHIBIT_REMAIL
12798 if (cmailMailedMove) {
12799 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);
12800 DisplayError(msg, 0);
12805 if (! (cmailMailedMove || RegisterMove())) return;
12807 if ( cmailMailedMove
12808 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12809 snprintf(string, MSG_SIZ, partCommandString,
12810 appData.debugMode ? " -v" : "", appData.cmailGameName);
12811 commandOutput = popen(string, "r");
12813 if (commandOutput == NULL) {
12814 DisplayError(_("Failed to invoke cmail"), 0);
12816 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12817 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12819 if (nBuffers > 1) {
12820 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12821 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12822 nBytes = MSG_SIZ - 1;
12824 (void) memcpy(msg, buffer, nBytes);
12826 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12828 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12829 cmailMailedMove = TRUE; /* Prevent >1 moves */
12832 for (i = 0; i < nCmailGames; i ++) {
12833 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12838 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12840 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12842 appData.cmailGameName,
12844 LoadGameFromFile(buffer, 1, buffer, FALSE);
12845 cmailMsgLoaded = FALSE;
12849 DisplayInformation(msg);
12850 pclose(commandOutput);
12853 if ((*cmailMsg) != '\0') {
12854 DisplayInformation(cmailMsg);
12859 #endif /* !WIN32 */
12868 int prependComma = 0;
12870 char string[MSG_SIZ]; /* Space for game-list */
12873 if (!cmailMsgLoaded) return "";
12875 if (cmailMailedMove) {
12876 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12878 /* Create a list of games left */
12879 snprintf(string, MSG_SIZ, "[");
12880 for (i = 0; i < nCmailGames; i ++) {
12881 if (! ( cmailMoveRegistered[i]
12882 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12883 if (prependComma) {
12884 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12886 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12890 strcat(string, number);
12893 strcat(string, "]");
12895 if (nCmailMovesRegistered + nCmailResults == 0) {
12896 switch (nCmailGames) {
12898 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12902 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12906 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12911 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12913 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12918 if (nCmailResults == nCmailGames) {
12919 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12921 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12926 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12938 if (gameMode == Training)
12939 SetTrainingModeOff();
12942 cmailMsgLoaded = FALSE;
12943 if (appData.icsActive) {
12944 SendToICS(ics_prefix);
12945 SendToICS("refresh\n");
12955 /* Give up on clean exit */
12959 /* Keep trying for clean exit */
12963 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12965 if (telnetISR != NULL) {
12966 RemoveInputSource(telnetISR);
12968 if (icsPR != NoProc) {
12969 DestroyChildProcess(icsPR, TRUE);
12972 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12973 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12975 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12976 /* make sure this other one finishes before killing it! */
12977 if(endingGame) { int count = 0;
12978 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12979 while(endingGame && count++ < 10) DoSleep(1);
12980 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12983 /* Kill off chess programs */
12984 if (first.pr != NoProc) {
12987 DoSleep( appData.delayBeforeQuit );
12988 SendToProgram("quit\n", &first);
12989 DoSleep( appData.delayAfterQuit );
12990 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12992 if (second.pr != NoProc) {
12993 DoSleep( appData.delayBeforeQuit );
12994 SendToProgram("quit\n", &second);
12995 DoSleep( appData.delayAfterQuit );
12996 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12998 if (first.isr != NULL) {
12999 RemoveInputSource(first.isr);
13001 if (second.isr != NULL) {
13002 RemoveInputSource(second.isr);
13005 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13006 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13008 ShutDownFrontEnd();
13015 if (appData.debugMode)
13016 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13020 if (gameMode == MachinePlaysWhite ||
13021 gameMode == MachinePlaysBlack) {
13024 DisplayBothClocks();
13026 if (gameMode == PlayFromGameFile) {
13027 if (appData.timeDelay >= 0)
13028 AutoPlayGameLoop();
13029 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13030 Reset(FALSE, TRUE);
13031 SendToICS(ics_prefix);
13032 SendToICS("refresh\n");
13033 } else if (currentMove < forwardMostMove) {
13034 ForwardInner(forwardMostMove);
13036 pauseExamInvalid = FALSE;
13038 switch (gameMode) {
13042 pauseExamForwardMostMove = forwardMostMove;
13043 pauseExamInvalid = FALSE;
13046 case IcsPlayingWhite:
13047 case IcsPlayingBlack:
13051 case PlayFromGameFile:
13052 (void) StopLoadGameTimer();
13056 case BeginningOfGame:
13057 if (appData.icsActive) return;
13058 /* else fall through */
13059 case MachinePlaysWhite:
13060 case MachinePlaysBlack:
13061 case TwoMachinesPlay:
13062 if (forwardMostMove == 0)
13063 return; /* don't pause if no one has moved */
13064 if ((gameMode == MachinePlaysWhite &&
13065 !WhiteOnMove(forwardMostMove)) ||
13066 (gameMode == MachinePlaysBlack &&
13067 WhiteOnMove(forwardMostMove))) {
13080 char title[MSG_SIZ];
13082 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13083 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13085 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13086 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13087 parseList[currentMove - 1]);
13090 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13097 char *tags = PGNTags(&gameInfo);
13099 EditTagsPopUp(tags, NULL);
13106 if (appData.noChessProgram || gameMode == AnalyzeMode)
13109 if (gameMode != AnalyzeFile) {
13110 if (!appData.icsEngineAnalyze) {
13112 if (gameMode != EditGame) return;
13114 ResurrectChessProgram();
13115 SendToProgram("analyze\n", &first);
13116 first.analyzing = TRUE;
13117 /*first.maybeThinking = TRUE;*/
13118 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13119 EngineOutputPopUp();
13121 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13126 StartAnalysisClock();
13127 GetTimeMark(&lastNodeCountTime);
13134 if (appData.noChessProgram || gameMode == AnalyzeFile)
13137 if (gameMode != AnalyzeMode) {
13139 if (gameMode != EditGame) return;
13140 ResurrectChessProgram();
13141 SendToProgram("analyze\n", &first);
13142 first.analyzing = TRUE;
13143 /*first.maybeThinking = TRUE;*/
13144 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13145 EngineOutputPopUp();
13147 gameMode = AnalyzeFile;
13152 StartAnalysisClock();
13153 GetTimeMark(&lastNodeCountTime);
13155 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13159 MachineWhiteEvent()
13162 char *bookHit = NULL;
13164 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13168 if (gameMode == PlayFromGameFile ||
13169 gameMode == TwoMachinesPlay ||
13170 gameMode == Training ||
13171 gameMode == AnalyzeMode ||
13172 gameMode == EndOfGame)
13175 if (gameMode == EditPosition)
13176 EditPositionDone(TRUE);
13178 if (!WhiteOnMove(currentMove)) {
13179 DisplayError(_("It is not White's turn"), 0);
13183 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13186 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13187 gameMode == AnalyzeFile)
13190 ResurrectChessProgram(); /* in case it isn't running */
13191 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13192 gameMode = MachinePlaysWhite;
13195 gameMode = MachinePlaysWhite;
13199 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13201 if (first.sendName) {
13202 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13203 SendToProgram(buf, &first);
13205 if (first.sendTime) {
13206 if (first.useColors) {
13207 SendToProgram("black\n", &first); /*gnu kludge*/
13209 SendTimeRemaining(&first, TRUE);
13211 if (first.useColors) {
13212 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13214 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13215 SetMachineThinkingEnables();
13216 first.maybeThinking = TRUE;
13220 if (appData.autoFlipView && !flipView) {
13221 flipView = !flipView;
13222 DrawPosition(FALSE, NULL);
13223 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13226 if(bookHit) { // [HGM] book: simulate book reply
13227 static char bookMove[MSG_SIZ]; // a bit generous?
13229 programStats.nodes = programStats.depth = programStats.time =
13230 programStats.score = programStats.got_only_move = 0;
13231 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13233 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13234 strcat(bookMove, bookHit);
13235 HandleMachineMove(bookMove, &first);
13240 MachineBlackEvent()
13243 char *bookHit = NULL;
13245 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13249 if (gameMode == PlayFromGameFile ||
13250 gameMode == TwoMachinesPlay ||
13251 gameMode == Training ||
13252 gameMode == AnalyzeMode ||
13253 gameMode == EndOfGame)
13256 if (gameMode == EditPosition)
13257 EditPositionDone(TRUE);
13259 if (WhiteOnMove(currentMove)) {
13260 DisplayError(_("It is not Black's turn"), 0);
13264 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13267 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13268 gameMode == AnalyzeFile)
13271 ResurrectChessProgram(); /* in case it isn't running */
13272 gameMode = MachinePlaysBlack;
13276 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13278 if (first.sendName) {
13279 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13280 SendToProgram(buf, &first);
13282 if (first.sendTime) {
13283 if (first.useColors) {
13284 SendToProgram("white\n", &first); /*gnu kludge*/
13286 SendTimeRemaining(&first, FALSE);
13288 if (first.useColors) {
13289 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13291 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13292 SetMachineThinkingEnables();
13293 first.maybeThinking = TRUE;
13296 if (appData.autoFlipView && flipView) {
13297 flipView = !flipView;
13298 DrawPosition(FALSE, NULL);
13299 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13301 if(bookHit) { // [HGM] book: simulate book reply
13302 static char bookMove[MSG_SIZ]; // a bit generous?
13304 programStats.nodes = programStats.depth = programStats.time =
13305 programStats.score = programStats.got_only_move = 0;
13306 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13308 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13309 strcat(bookMove, bookHit);
13310 HandleMachineMove(bookMove, &first);
13316 DisplayTwoMachinesTitle()
13319 if (appData.matchGames > 0) {
13320 if(appData.tourneyFile[0]) {
13321 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d/%d%s)"),
13322 gameInfo.white, gameInfo.black,
13323 nextGame+1, appData.matchGames+1,
13324 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13326 if (first.twoMachinesColor[0] == 'w') {
13327 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13328 gameInfo.white, gameInfo.black,
13329 first.matchWins, second.matchWins,
13330 matchGame - 1 - (first.matchWins + second.matchWins));
13332 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13333 gameInfo.white, gameInfo.black,
13334 second.matchWins, first.matchWins,
13335 matchGame - 1 - (first.matchWins + second.matchWins));
13338 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13344 SettingsMenuIfReady()
13346 if (second.lastPing != second.lastPong) {
13347 DisplayMessage("", _("Waiting for second chess program"));
13348 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13352 DisplayMessage("", "");
13353 SettingsPopUp(&second);
13357 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13360 if (cps->pr == NoProc) {
13361 StartChessProgram(cps);
13362 if (cps->protocolVersion == 1) {
13365 /* kludge: allow timeout for initial "feature" command */
13367 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13368 DisplayMessage("", buf);
13369 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13377 TwoMachinesEvent P((void))
13381 ChessProgramState *onmove;
13382 char *bookHit = NULL;
13383 static int stalling = 0;
13387 if (appData.noChessProgram) return;
13389 switch (gameMode) {
13390 case TwoMachinesPlay:
13392 case MachinePlaysWhite:
13393 case MachinePlaysBlack:
13394 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13395 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13399 case BeginningOfGame:
13400 case PlayFromGameFile:
13403 if (gameMode != EditGame) return;
13406 EditPositionDone(TRUE);
13417 // forwardMostMove = currentMove;
13418 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13420 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13422 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13423 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13424 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13428 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13429 SendToProgram("force\n", &second);
13431 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13434 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13435 if(appData.matchPause>10000 || appData.matchPause<10)
13436 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13437 wait = SubtractTimeMarks(&now, &pauseStart);
13438 if(wait < appData.matchPause) {
13439 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13443 DisplayMessage("", "");
13444 if (startedFromSetupPosition) {
13445 SendBoard(&second, backwardMostMove);
13446 if (appData.debugMode) {
13447 fprintf(debugFP, "Two Machines\n");
13450 for (i = backwardMostMove; i < forwardMostMove; i++) {
13451 SendMoveToProgram(i, &second);
13454 gameMode = TwoMachinesPlay;
13456 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13458 DisplayTwoMachinesTitle();
13460 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13465 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13466 SendToProgram(first.computerString, &first);
13467 if (first.sendName) {
13468 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13469 SendToProgram(buf, &first);
13471 SendToProgram(second.computerString, &second);
13472 if (second.sendName) {
13473 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13474 SendToProgram(buf, &second);
13478 if (!first.sendTime || !second.sendTime) {
13479 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13480 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13482 if (onmove->sendTime) {
13483 if (onmove->useColors) {
13484 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13486 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13488 if (onmove->useColors) {
13489 SendToProgram(onmove->twoMachinesColor, onmove);
13491 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13492 // SendToProgram("go\n", onmove);
13493 onmove->maybeThinking = TRUE;
13494 SetMachineThinkingEnables();
13498 if(bookHit) { // [HGM] book: simulate book reply
13499 static char bookMove[MSG_SIZ]; // a bit generous?
13501 programStats.nodes = programStats.depth = programStats.time =
13502 programStats.score = programStats.got_only_move = 0;
13503 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13505 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13506 strcat(bookMove, bookHit);
13507 savedMessage = bookMove; // args for deferred call
13508 savedState = onmove;
13509 ScheduleDelayedEvent(DeferredBookMove, 1);
13516 if (gameMode == Training) {
13517 SetTrainingModeOff();
13518 gameMode = PlayFromGameFile;
13519 DisplayMessage("", _("Training mode off"));
13521 gameMode = Training;
13522 animateTraining = appData.animate;
13524 /* make sure we are not already at the end of the game */
13525 if (currentMove < forwardMostMove) {
13526 SetTrainingModeOn();
13527 DisplayMessage("", _("Training mode on"));
13529 gameMode = PlayFromGameFile;
13530 DisplayError(_("Already at end of game"), 0);
13539 if (!appData.icsActive) return;
13540 switch (gameMode) {
13541 case IcsPlayingWhite:
13542 case IcsPlayingBlack:
13545 case BeginningOfGame:
13553 EditPositionDone(TRUE);
13566 gameMode = IcsIdle;
13577 switch (gameMode) {
13579 SetTrainingModeOff();
13581 case MachinePlaysWhite:
13582 case MachinePlaysBlack:
13583 case BeginningOfGame:
13584 SendToProgram("force\n", &first);
13585 SetUserThinkingEnables();
13587 case PlayFromGameFile:
13588 (void) StopLoadGameTimer();
13589 if (gameFileFP != NULL) {
13594 EditPositionDone(TRUE);
13599 SendToProgram("force\n", &first);
13601 case TwoMachinesPlay:
13602 GameEnds(EndOfFile, NULL, GE_PLAYER);
13603 ResurrectChessProgram();
13604 SetUserThinkingEnables();
13607 ResurrectChessProgram();
13609 case IcsPlayingBlack:
13610 case IcsPlayingWhite:
13611 DisplayError(_("Warning: You are still playing a game"), 0);
13614 DisplayError(_("Warning: You are still observing a game"), 0);
13617 DisplayError(_("Warning: You are still examining a game"), 0);
13628 first.offeredDraw = second.offeredDraw = 0;
13630 if (gameMode == PlayFromGameFile) {
13631 whiteTimeRemaining = timeRemaining[0][currentMove];
13632 blackTimeRemaining = timeRemaining[1][currentMove];
13636 if (gameMode == MachinePlaysWhite ||
13637 gameMode == MachinePlaysBlack ||
13638 gameMode == TwoMachinesPlay ||
13639 gameMode == EndOfGame) {
13640 i = forwardMostMove;
13641 while (i > currentMove) {
13642 SendToProgram("undo\n", &first);
13645 if(!adjustedClock) {
13646 whiteTimeRemaining = timeRemaining[0][currentMove];
13647 blackTimeRemaining = timeRemaining[1][currentMove];
13648 DisplayBothClocks();
13650 if (whiteFlag || blackFlag) {
13651 whiteFlag = blackFlag = 0;
13656 gameMode = EditGame;
13663 EditPositionEvent()
13665 if (gameMode == EditPosition) {
13671 if (gameMode != EditGame) return;
13673 gameMode = EditPosition;
13676 if (currentMove > 0)
13677 CopyBoard(boards[0], boards[currentMove]);
13679 blackPlaysFirst = !WhiteOnMove(currentMove);
13681 currentMove = forwardMostMove = backwardMostMove = 0;
13682 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13689 /* [DM] icsEngineAnalyze - possible call from other functions */
13690 if (appData.icsEngineAnalyze) {
13691 appData.icsEngineAnalyze = FALSE;
13693 DisplayMessage("",_("Close ICS engine analyze..."));
13695 if (first.analysisSupport && first.analyzing) {
13696 SendToProgram("exit\n", &first);
13697 first.analyzing = FALSE;
13699 thinkOutput[0] = NULLCHAR;
13703 EditPositionDone(Boolean fakeRights)
13705 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13707 startedFromSetupPosition = TRUE;
13708 InitChessProgram(&first, FALSE);
13709 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13710 boards[0][EP_STATUS] = EP_NONE;
13711 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13712 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13713 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13714 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13715 } else boards[0][CASTLING][2] = NoRights;
13716 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13717 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13718 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13719 } else boards[0][CASTLING][5] = NoRights;
13721 SendToProgram("force\n", &first);
13722 if (blackPlaysFirst) {
13723 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13724 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13725 currentMove = forwardMostMove = backwardMostMove = 1;
13726 CopyBoard(boards[1], boards[0]);
13728 currentMove = forwardMostMove = backwardMostMove = 0;
13730 SendBoard(&first, forwardMostMove);
13731 if (appData.debugMode) {
13732 fprintf(debugFP, "EditPosDone\n");
13735 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13736 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13737 gameMode = EditGame;
13739 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13740 ClearHighlights(); /* [AS] */
13743 /* Pause for `ms' milliseconds */
13744 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13754 } while (SubtractTimeMarks(&m2, &m1) < ms);
13757 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13759 SendMultiLineToICS(buf)
13762 char temp[MSG_SIZ+1], *p;
13769 strncpy(temp, buf, len);
13774 if (*p == '\n' || *p == '\r')
13779 strcat(temp, "\n");
13781 SendToPlayer(temp, strlen(temp));
13785 SetWhiteToPlayEvent()
13787 if (gameMode == EditPosition) {
13788 blackPlaysFirst = FALSE;
13789 DisplayBothClocks(); /* works because currentMove is 0 */
13790 } else if (gameMode == IcsExamining) {
13791 SendToICS(ics_prefix);
13792 SendToICS("tomove white\n");
13797 SetBlackToPlayEvent()
13799 if (gameMode == EditPosition) {
13800 blackPlaysFirst = TRUE;
13801 currentMove = 1; /* kludge */
13802 DisplayBothClocks();
13804 } else if (gameMode == IcsExamining) {
13805 SendToICS(ics_prefix);
13806 SendToICS("tomove black\n");
13811 EditPositionMenuEvent(selection, x, y)
13812 ChessSquare selection;
13816 ChessSquare piece = boards[0][y][x];
13818 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13820 switch (selection) {
13822 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13823 SendToICS(ics_prefix);
13824 SendToICS("bsetup clear\n");
13825 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13826 SendToICS(ics_prefix);
13827 SendToICS("clearboard\n");
13829 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13830 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13831 for (y = 0; y < BOARD_HEIGHT; y++) {
13832 if (gameMode == IcsExamining) {
13833 if (boards[currentMove][y][x] != EmptySquare) {
13834 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13839 boards[0][y][x] = p;
13844 if (gameMode == EditPosition) {
13845 DrawPosition(FALSE, boards[0]);
13850 SetWhiteToPlayEvent();
13854 SetBlackToPlayEvent();
13858 if (gameMode == IcsExamining) {
13859 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13860 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13863 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13864 if(x == BOARD_LEFT-2) {
13865 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13866 boards[0][y][1] = 0;
13868 if(x == BOARD_RGHT+1) {
13869 if(y >= gameInfo.holdingsSize) break;
13870 boards[0][y][BOARD_WIDTH-2] = 0;
13873 boards[0][y][x] = EmptySquare;
13874 DrawPosition(FALSE, boards[0]);
13879 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13880 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13881 selection = (ChessSquare) (PROMOTED piece);
13882 } else if(piece == EmptySquare) selection = WhiteSilver;
13883 else selection = (ChessSquare)((int)piece - 1);
13887 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13888 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13889 selection = (ChessSquare) (DEMOTED piece);
13890 } else if(piece == EmptySquare) selection = BlackSilver;
13891 else selection = (ChessSquare)((int)piece + 1);
13896 if(gameInfo.variant == VariantShatranj ||
13897 gameInfo.variant == VariantXiangqi ||
13898 gameInfo.variant == VariantCourier ||
13899 gameInfo.variant == VariantMakruk )
13900 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13905 if(gameInfo.variant == VariantXiangqi)
13906 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13907 if(gameInfo.variant == VariantKnightmate)
13908 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13911 if (gameMode == IcsExamining) {
13912 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13913 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13914 PieceToChar(selection), AAA + x, ONE + y);
13917 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13919 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13920 n = PieceToNumber(selection - BlackPawn);
13921 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13922 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13923 boards[0][BOARD_HEIGHT-1-n][1]++;
13925 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13926 n = PieceToNumber(selection);
13927 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13928 boards[0][n][BOARD_WIDTH-1] = selection;
13929 boards[0][n][BOARD_WIDTH-2]++;
13932 boards[0][y][x] = selection;
13933 DrawPosition(TRUE, boards[0]);
13941 DropMenuEvent(selection, x, y)
13942 ChessSquare selection;
13945 ChessMove moveType;
13947 switch (gameMode) {
13948 case IcsPlayingWhite:
13949 case MachinePlaysBlack:
13950 if (!WhiteOnMove(currentMove)) {
13951 DisplayMoveError(_("It is Black's turn"));
13954 moveType = WhiteDrop;
13956 case IcsPlayingBlack:
13957 case MachinePlaysWhite:
13958 if (WhiteOnMove(currentMove)) {
13959 DisplayMoveError(_("It is White's turn"));
13962 moveType = BlackDrop;
13965 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13971 if (moveType == BlackDrop && selection < BlackPawn) {
13972 selection = (ChessSquare) ((int) selection
13973 + (int) BlackPawn - (int) WhitePawn);
13975 if (boards[currentMove][y][x] != EmptySquare) {
13976 DisplayMoveError(_("That square is occupied"));
13980 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13986 /* Accept a pending offer of any kind from opponent */
13988 if (appData.icsActive) {
13989 SendToICS(ics_prefix);
13990 SendToICS("accept\n");
13991 } else if (cmailMsgLoaded) {
13992 if (currentMove == cmailOldMove &&
13993 commentList[cmailOldMove] != NULL &&
13994 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13995 "Black offers a draw" : "White offers a draw")) {
13997 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13998 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14000 DisplayError(_("There is no pending offer on this move"), 0);
14001 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14004 /* Not used for offers from chess program */
14011 /* Decline a pending offer of any kind from opponent */
14013 if (appData.icsActive) {
14014 SendToICS(ics_prefix);
14015 SendToICS("decline\n");
14016 } else if (cmailMsgLoaded) {
14017 if (currentMove == cmailOldMove &&
14018 commentList[cmailOldMove] != NULL &&
14019 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14020 "Black offers a draw" : "White offers a draw")) {
14022 AppendComment(cmailOldMove, "Draw declined", TRUE);
14023 DisplayComment(cmailOldMove - 1, "Draw declined");
14026 DisplayError(_("There is no pending offer on this move"), 0);
14029 /* Not used for offers from chess program */
14036 /* Issue ICS rematch command */
14037 if (appData.icsActive) {
14038 SendToICS(ics_prefix);
14039 SendToICS("rematch\n");
14046 /* Call your opponent's flag (claim a win on time) */
14047 if (appData.icsActive) {
14048 SendToICS(ics_prefix);
14049 SendToICS("flag\n");
14051 switch (gameMode) {
14054 case MachinePlaysWhite:
14057 GameEnds(GameIsDrawn, "Both players ran out of time",
14060 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14062 DisplayError(_("Your opponent is not out of time"), 0);
14065 case MachinePlaysBlack:
14068 GameEnds(GameIsDrawn, "Both players ran out of time",
14071 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14073 DisplayError(_("Your opponent is not out of time"), 0);
14081 ClockClick(int which)
14082 { // [HGM] code moved to back-end from winboard.c
14083 if(which) { // black clock
14084 if (gameMode == EditPosition || gameMode == IcsExamining) {
14085 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14086 SetBlackToPlayEvent();
14087 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14088 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14089 } else if (shiftKey) {
14090 AdjustClock(which, -1);
14091 } else if (gameMode == IcsPlayingWhite ||
14092 gameMode == MachinePlaysBlack) {
14095 } else { // white clock
14096 if (gameMode == EditPosition || gameMode == IcsExamining) {
14097 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14098 SetWhiteToPlayEvent();
14099 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14100 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14101 } else if (shiftKey) {
14102 AdjustClock(which, -1);
14103 } else if (gameMode == IcsPlayingBlack ||
14104 gameMode == MachinePlaysWhite) {
14113 /* Offer draw or accept pending draw offer from opponent */
14115 if (appData.icsActive) {
14116 /* Note: tournament rules require draw offers to be
14117 made after you make your move but before you punch
14118 your clock. Currently ICS doesn't let you do that;
14119 instead, you immediately punch your clock after making
14120 a move, but you can offer a draw at any time. */
14122 SendToICS(ics_prefix);
14123 SendToICS("draw\n");
14124 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14125 } else if (cmailMsgLoaded) {
14126 if (currentMove == cmailOldMove &&
14127 commentList[cmailOldMove] != NULL &&
14128 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14129 "Black offers a draw" : "White offers a draw")) {
14130 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14131 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14132 } else if (currentMove == cmailOldMove + 1) {
14133 char *offer = WhiteOnMove(cmailOldMove) ?
14134 "White offers a draw" : "Black offers a draw";
14135 AppendComment(currentMove, offer, TRUE);
14136 DisplayComment(currentMove - 1, offer);
14137 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14139 DisplayError(_("You must make your move before offering a draw"), 0);
14140 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14142 } else if (first.offeredDraw) {
14143 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14145 if (first.sendDrawOffers) {
14146 SendToProgram("draw\n", &first);
14147 userOfferedDraw = TRUE;
14155 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14157 if (appData.icsActive) {
14158 SendToICS(ics_prefix);
14159 SendToICS("adjourn\n");
14161 /* Currently GNU Chess doesn't offer or accept Adjourns */
14169 /* Offer Abort or accept pending Abort offer from opponent */
14171 if (appData.icsActive) {
14172 SendToICS(ics_prefix);
14173 SendToICS("abort\n");
14175 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14182 /* Resign. You can do this even if it's not your turn. */
14184 if (appData.icsActive) {
14185 SendToICS(ics_prefix);
14186 SendToICS("resign\n");
14188 switch (gameMode) {
14189 case MachinePlaysWhite:
14190 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14192 case MachinePlaysBlack:
14193 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14196 if (cmailMsgLoaded) {
14198 if (WhiteOnMove(cmailOldMove)) {
14199 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14201 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14203 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14214 StopObservingEvent()
14216 /* Stop observing current games */
14217 SendToICS(ics_prefix);
14218 SendToICS("unobserve\n");
14222 StopExaminingEvent()
14224 /* Stop observing current game */
14225 SendToICS(ics_prefix);
14226 SendToICS("unexamine\n");
14230 ForwardInner(target)
14235 if (appData.debugMode)
14236 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14237 target, currentMove, forwardMostMove);
14239 if (gameMode == EditPosition)
14242 MarkTargetSquares(1);
14244 if (gameMode == PlayFromGameFile && !pausing)
14247 if (gameMode == IcsExamining && pausing)
14248 limit = pauseExamForwardMostMove;
14250 limit = forwardMostMove;
14252 if (target > limit) target = limit;
14254 if (target > 0 && moveList[target - 1][0]) {
14255 int fromX, fromY, toX, toY;
14256 toX = moveList[target - 1][2] - AAA;
14257 toY = moveList[target - 1][3] - ONE;
14258 if (moveList[target - 1][1] == '@') {
14259 if (appData.highlightLastMove) {
14260 SetHighlights(-1, -1, toX, toY);
14263 fromX = moveList[target - 1][0] - AAA;
14264 fromY = moveList[target - 1][1] - ONE;
14265 if (target == currentMove + 1) {
14266 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14268 if (appData.highlightLastMove) {
14269 SetHighlights(fromX, fromY, toX, toY);
14273 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14274 gameMode == Training || gameMode == PlayFromGameFile ||
14275 gameMode == AnalyzeFile) {
14276 while (currentMove < target) {
14277 SendMoveToProgram(currentMove++, &first);
14280 currentMove = target;
14283 if (gameMode == EditGame || gameMode == EndOfGame) {
14284 whiteTimeRemaining = timeRemaining[0][currentMove];
14285 blackTimeRemaining = timeRemaining[1][currentMove];
14287 DisplayBothClocks();
14288 DisplayMove(currentMove - 1);
14289 DrawPosition(FALSE, boards[currentMove]);
14290 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14291 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14292 DisplayComment(currentMove - 1, commentList[currentMove]);
14300 if (gameMode == IcsExamining && !pausing) {
14301 SendToICS(ics_prefix);
14302 SendToICS("forward\n");
14304 ForwardInner(currentMove + 1);
14311 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14312 /* to optimze, we temporarily turn off analysis mode while we feed
14313 * the remaining moves to the engine. Otherwise we get analysis output
14316 if (first.analysisSupport) {
14317 SendToProgram("exit\nforce\n", &first);
14318 first.analyzing = FALSE;
14322 if (gameMode == IcsExamining && !pausing) {
14323 SendToICS(ics_prefix);
14324 SendToICS("forward 999999\n");
14326 ForwardInner(forwardMostMove);
14329 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14330 /* we have fed all the moves, so reactivate analysis mode */
14331 SendToProgram("analyze\n", &first);
14332 first.analyzing = TRUE;
14333 /*first.maybeThinking = TRUE;*/
14334 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14339 BackwardInner(target)
14342 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14344 if (appData.debugMode)
14345 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14346 target, currentMove, forwardMostMove);
14348 if (gameMode == EditPosition) return;
14349 MarkTargetSquares(1);
14350 if (currentMove <= backwardMostMove) {
14352 DrawPosition(full_redraw, boards[currentMove]);
14355 if (gameMode == PlayFromGameFile && !pausing)
14358 if (moveList[target][0]) {
14359 int fromX, fromY, toX, toY;
14360 toX = moveList[target][2] - AAA;
14361 toY = moveList[target][3] - ONE;
14362 if (moveList[target][1] == '@') {
14363 if (appData.highlightLastMove) {
14364 SetHighlights(-1, -1, toX, toY);
14367 fromX = moveList[target][0] - AAA;
14368 fromY = moveList[target][1] - ONE;
14369 if (target == currentMove - 1) {
14370 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14372 if (appData.highlightLastMove) {
14373 SetHighlights(fromX, fromY, toX, toY);
14377 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14378 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14379 while (currentMove > target) {
14380 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14381 // null move cannot be undone. Reload program with move history before it.
14383 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14384 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14386 SendBoard(&first, i);
14387 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14390 SendToProgram("undo\n", &first);
14394 currentMove = target;
14397 if (gameMode == EditGame || gameMode == EndOfGame) {
14398 whiteTimeRemaining = timeRemaining[0][currentMove];
14399 blackTimeRemaining = timeRemaining[1][currentMove];
14401 DisplayBothClocks();
14402 DisplayMove(currentMove - 1);
14403 DrawPosition(full_redraw, boards[currentMove]);
14404 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14405 // [HGM] PV info: routine tests if comment empty
14406 DisplayComment(currentMove - 1, commentList[currentMove]);
14412 if (gameMode == IcsExamining && !pausing) {
14413 SendToICS(ics_prefix);
14414 SendToICS("backward\n");
14416 BackwardInner(currentMove - 1);
14423 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14424 /* to optimize, we temporarily turn off analysis mode while we undo
14425 * all the moves. Otherwise we get analysis output after each undo.
14427 if (first.analysisSupport) {
14428 SendToProgram("exit\nforce\n", &first);
14429 first.analyzing = FALSE;
14433 if (gameMode == IcsExamining && !pausing) {
14434 SendToICS(ics_prefix);
14435 SendToICS("backward 999999\n");
14437 BackwardInner(backwardMostMove);
14440 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14441 /* we have fed all the moves, so reactivate analysis mode */
14442 SendToProgram("analyze\n", &first);
14443 first.analyzing = TRUE;
14444 /*first.maybeThinking = TRUE;*/
14445 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14452 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14453 if (to >= forwardMostMove) to = forwardMostMove;
14454 if (to <= backwardMostMove) to = backwardMostMove;
14455 if (to < currentMove) {
14463 RevertEvent(Boolean annotate)
14465 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14468 if (gameMode != IcsExamining) {
14469 DisplayError(_("You are not examining a game"), 0);
14473 DisplayError(_("You can't revert while pausing"), 0);
14476 SendToICS(ics_prefix);
14477 SendToICS("revert\n");
14483 switch (gameMode) {
14484 case MachinePlaysWhite:
14485 case MachinePlaysBlack:
14486 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14487 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14490 if (forwardMostMove < 2) return;
14491 currentMove = forwardMostMove = forwardMostMove - 2;
14492 whiteTimeRemaining = timeRemaining[0][currentMove];
14493 blackTimeRemaining = timeRemaining[1][currentMove];
14494 DisplayBothClocks();
14495 DisplayMove(currentMove - 1);
14496 ClearHighlights();/*!! could figure this out*/
14497 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14498 SendToProgram("remove\n", &first);
14499 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14502 case BeginningOfGame:
14506 case IcsPlayingWhite:
14507 case IcsPlayingBlack:
14508 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14509 SendToICS(ics_prefix);
14510 SendToICS("takeback 2\n");
14512 SendToICS(ics_prefix);
14513 SendToICS("takeback 1\n");
14522 ChessProgramState *cps;
14524 switch (gameMode) {
14525 case MachinePlaysWhite:
14526 if (!WhiteOnMove(forwardMostMove)) {
14527 DisplayError(_("It is your turn"), 0);
14532 case MachinePlaysBlack:
14533 if (WhiteOnMove(forwardMostMove)) {
14534 DisplayError(_("It is your turn"), 0);
14539 case TwoMachinesPlay:
14540 if (WhiteOnMove(forwardMostMove) ==
14541 (first.twoMachinesColor[0] == 'w')) {
14547 case BeginningOfGame:
14551 SendToProgram("?\n", cps);
14555 TruncateGameEvent()
14558 if (gameMode != EditGame) return;
14565 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14566 if (forwardMostMove > currentMove) {
14567 if (gameInfo.resultDetails != NULL) {
14568 free(gameInfo.resultDetails);
14569 gameInfo.resultDetails = NULL;
14570 gameInfo.result = GameUnfinished;
14572 forwardMostMove = currentMove;
14573 HistorySet(parseList, backwardMostMove, forwardMostMove,
14581 if (appData.noChessProgram) return;
14582 switch (gameMode) {
14583 case MachinePlaysWhite:
14584 if (WhiteOnMove(forwardMostMove)) {
14585 DisplayError(_("Wait until your turn"), 0);
14589 case BeginningOfGame:
14590 case MachinePlaysBlack:
14591 if (!WhiteOnMove(forwardMostMove)) {
14592 DisplayError(_("Wait until your turn"), 0);
14597 DisplayError(_("No hint available"), 0);
14600 SendToProgram("hint\n", &first);
14601 hintRequested = TRUE;
14607 if (appData.noChessProgram) return;
14608 switch (gameMode) {
14609 case MachinePlaysWhite:
14610 if (WhiteOnMove(forwardMostMove)) {
14611 DisplayError(_("Wait until your turn"), 0);
14615 case BeginningOfGame:
14616 case MachinePlaysBlack:
14617 if (!WhiteOnMove(forwardMostMove)) {
14618 DisplayError(_("Wait until your turn"), 0);
14623 EditPositionDone(TRUE);
14625 case TwoMachinesPlay:
14630 SendToProgram("bk\n", &first);
14631 bookOutput[0] = NULLCHAR;
14632 bookRequested = TRUE;
14638 char *tags = PGNTags(&gameInfo);
14639 TagsPopUp(tags, CmailMsg());
14643 /* end button procedures */
14646 PrintPosition(fp, move)
14652 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14653 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14654 char c = PieceToChar(boards[move][i][j]);
14655 fputc(c == 'x' ? '.' : c, fp);
14656 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14659 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14660 fprintf(fp, "white to play\n");
14662 fprintf(fp, "black to play\n");
14669 if (gameInfo.white != NULL) {
14670 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14676 /* Find last component of program's own name, using some heuristics */
14678 TidyProgramName(prog, host, buf)
14679 char *prog, *host, buf[MSG_SIZ];
14682 int local = (strcmp(host, "localhost") == 0);
14683 while (!local && (p = strchr(prog, ';')) != NULL) {
14685 while (*p == ' ') p++;
14688 if (*prog == '"' || *prog == '\'') {
14689 q = strchr(prog + 1, *prog);
14691 q = strchr(prog, ' ');
14693 if (q == NULL) q = prog + strlen(prog);
14695 while (p >= prog && *p != '/' && *p != '\\') p--;
14697 if(p == prog && *p == '"') p++;
14698 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14699 memcpy(buf, p, q - p);
14700 buf[q - p] = NULLCHAR;
14708 TimeControlTagValue()
14711 if (!appData.clockMode) {
14712 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14713 } else if (movesPerSession > 0) {
14714 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14715 } else if (timeIncrement == 0) {
14716 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14718 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14720 return StrSave(buf);
14726 /* This routine is used only for certain modes */
14727 VariantClass v = gameInfo.variant;
14728 ChessMove r = GameUnfinished;
14731 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14732 r = gameInfo.result;
14733 p = gameInfo.resultDetails;
14734 gameInfo.resultDetails = NULL;
14736 ClearGameInfo(&gameInfo);
14737 gameInfo.variant = v;
14739 switch (gameMode) {
14740 case MachinePlaysWhite:
14741 gameInfo.event = StrSave( appData.pgnEventHeader );
14742 gameInfo.site = StrSave(HostName());
14743 gameInfo.date = PGNDate();
14744 gameInfo.round = StrSave("-");
14745 gameInfo.white = StrSave(first.tidy);
14746 gameInfo.black = StrSave(UserName());
14747 gameInfo.timeControl = TimeControlTagValue();
14750 case MachinePlaysBlack:
14751 gameInfo.event = StrSave( appData.pgnEventHeader );
14752 gameInfo.site = StrSave(HostName());
14753 gameInfo.date = PGNDate();
14754 gameInfo.round = StrSave("-");
14755 gameInfo.white = StrSave(UserName());
14756 gameInfo.black = StrSave(first.tidy);
14757 gameInfo.timeControl = TimeControlTagValue();
14760 case TwoMachinesPlay:
14761 gameInfo.event = StrSave( appData.pgnEventHeader );
14762 gameInfo.site = StrSave(HostName());
14763 gameInfo.date = PGNDate();
14766 snprintf(buf, MSG_SIZ, "%d", roundNr);
14767 gameInfo.round = StrSave(buf);
14769 gameInfo.round = StrSave("-");
14771 if (first.twoMachinesColor[0] == 'w') {
14772 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14773 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14775 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14776 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14778 gameInfo.timeControl = TimeControlTagValue();
14782 gameInfo.event = StrSave("Edited game");
14783 gameInfo.site = StrSave(HostName());
14784 gameInfo.date = PGNDate();
14785 gameInfo.round = StrSave("-");
14786 gameInfo.white = StrSave("-");
14787 gameInfo.black = StrSave("-");
14788 gameInfo.result = r;
14789 gameInfo.resultDetails = p;
14793 gameInfo.event = StrSave("Edited position");
14794 gameInfo.site = StrSave(HostName());
14795 gameInfo.date = PGNDate();
14796 gameInfo.round = StrSave("-");
14797 gameInfo.white = StrSave("-");
14798 gameInfo.black = StrSave("-");
14801 case IcsPlayingWhite:
14802 case IcsPlayingBlack:
14807 case PlayFromGameFile:
14808 gameInfo.event = StrSave("Game from non-PGN file");
14809 gameInfo.site = StrSave(HostName());
14810 gameInfo.date = PGNDate();
14811 gameInfo.round = StrSave("-");
14812 gameInfo.white = StrSave("?");
14813 gameInfo.black = StrSave("?");
14822 ReplaceComment(index, text)
14830 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14831 pvInfoList[index-1].depth == len &&
14832 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14833 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14834 while (*text == '\n') text++;
14835 len = strlen(text);
14836 while (len > 0 && text[len - 1] == '\n') len--;
14838 if (commentList[index] != NULL)
14839 free(commentList[index]);
14842 commentList[index] = NULL;
14845 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14846 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14847 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14848 commentList[index] = (char *) malloc(len + 2);
14849 strncpy(commentList[index], text, len);
14850 commentList[index][len] = '\n';
14851 commentList[index][len + 1] = NULLCHAR;
14853 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14855 commentList[index] = (char *) malloc(len + 7);
14856 safeStrCpy(commentList[index], "{\n", 3);
14857 safeStrCpy(commentList[index]+2, text, len+1);
14858 commentList[index][len+2] = NULLCHAR;
14859 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14860 strcat(commentList[index], "\n}\n");
14874 if (ch == '\r') continue;
14876 } while (ch != '\0');
14880 AppendComment(index, text, addBraces)
14883 Boolean addBraces; // [HGM] braces: tells if we should add {}
14888 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14889 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14892 while (*text == '\n') text++;
14893 len = strlen(text);
14894 while (len > 0 && text[len - 1] == '\n') len--;
14896 if (len == 0) return;
14898 if (commentList[index] != NULL) {
14899 Boolean addClosingBrace = addBraces;
14900 old = commentList[index];
14901 oldlen = strlen(old);
14902 while(commentList[index][oldlen-1] == '\n')
14903 commentList[index][--oldlen] = NULLCHAR;
14904 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14905 safeStrCpy(commentList[index], old, oldlen + len + 6);
14907 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14908 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14909 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14910 while (*text == '\n') { text++; len--; }
14911 commentList[index][--oldlen] = NULLCHAR;
14913 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14914 else strcat(commentList[index], "\n");
14915 strcat(commentList[index], text);
14916 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14917 else strcat(commentList[index], "\n");
14919 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14921 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14922 else commentList[index][0] = NULLCHAR;
14923 strcat(commentList[index], text);
14924 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14925 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14929 static char * FindStr( char * text, char * sub_text )
14931 char * result = strstr( text, sub_text );
14933 if( result != NULL ) {
14934 result += strlen( sub_text );
14940 /* [AS] Try to extract PV info from PGN comment */
14941 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14942 char *GetInfoFromComment( int index, char * text )
14944 char * sep = text, *p;
14946 if( text != NULL && index > 0 ) {
14949 int time = -1, sec = 0, deci;
14950 char * s_eval = FindStr( text, "[%eval " );
14951 char * s_emt = FindStr( text, "[%emt " );
14953 if( s_eval != NULL || s_emt != NULL ) {
14957 if( s_eval != NULL ) {
14958 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14962 if( delim != ']' ) {
14967 if( s_emt != NULL ) {
14972 /* We expect something like: [+|-]nnn.nn/dd */
14975 if(*text != '{') return text; // [HGM] braces: must be normal comment
14977 sep = strchr( text, '/' );
14978 if( sep == NULL || sep < (text+4) ) {
14983 if(p[1] == '(') { // comment starts with PV
14984 p = strchr(p, ')'); // locate end of PV
14985 if(p == NULL || sep < p+5) return text;
14986 // at this point we have something like "{(.*) +0.23/6 ..."
14987 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14988 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14989 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14991 time = -1; sec = -1; deci = -1;
14992 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14993 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14994 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14995 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14999 if( score_lo < 0 || score_lo >= 100 ) {
15003 if(sec >= 0) time = 600*time + 10*sec; else
15004 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15006 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15008 /* [HGM] PV time: now locate end of PV info */
15009 while( *++sep >= '0' && *sep <= '9'); // strip depth
15011 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15013 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15015 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15016 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15027 pvInfoList[index-1].depth = depth;
15028 pvInfoList[index-1].score = score;
15029 pvInfoList[index-1].time = 10*time; // centi-sec
15030 if(*sep == '}') *sep = 0; else *--sep = '{';
15031 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15037 SendToProgram(message, cps)
15039 ChessProgramState *cps;
15041 int count, outCount, error;
15044 if (cps->pr == NoProc) return;
15047 if (appData.debugMode) {
15050 fprintf(debugFP, "%ld >%-6s: %s",
15051 SubtractTimeMarks(&now, &programStartTime),
15052 cps->which, message);
15055 count = strlen(message);
15056 outCount = OutputToProcess(cps->pr, message, count, &error);
15057 if (outCount < count && !exiting
15058 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15059 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15060 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15061 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15062 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15063 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15064 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15065 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15067 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15068 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15069 gameInfo.result = res;
15071 gameInfo.resultDetails = StrSave(buf);
15073 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15074 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15079 ReceiveFromProgram(isr, closure, message, count, error)
15080 InputSourceRef isr;
15088 ChessProgramState *cps = (ChessProgramState *)closure;
15090 if (isr != cps->isr) return; /* Killed intentionally */
15093 RemoveInputSource(cps->isr);
15094 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15095 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15096 _(cps->which), cps->program);
15097 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15098 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15099 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15100 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15101 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15103 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15104 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15105 gameInfo.result = res;
15107 gameInfo.resultDetails = StrSave(buf);
15109 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15110 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15112 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15113 _(cps->which), cps->program);
15114 RemoveInputSource(cps->isr);
15116 /* [AS] Program is misbehaving badly... kill it */
15117 if( count == -2 ) {
15118 DestroyChildProcess( cps->pr, 9 );
15122 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15127 if ((end_str = strchr(message, '\r')) != NULL)
15128 *end_str = NULLCHAR;
15129 if ((end_str = strchr(message, '\n')) != NULL)
15130 *end_str = NULLCHAR;
15132 if (appData.debugMode) {
15133 TimeMark now; int print = 1;
15134 char *quote = ""; char c; int i;
15136 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15137 char start = message[0];
15138 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15139 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15140 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15141 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15142 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15143 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15144 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15145 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15146 sscanf(message, "hint: %c", &c)!=1 &&
15147 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15148 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15149 print = (appData.engineComments >= 2);
15151 message[0] = start; // restore original message
15155 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15156 SubtractTimeMarks(&now, &programStartTime), cps->which,
15162 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15163 if (appData.icsEngineAnalyze) {
15164 if (strstr(message, "whisper") != NULL ||
15165 strstr(message, "kibitz") != NULL ||
15166 strstr(message, "tellics") != NULL) return;
15169 HandleMachineMove(message, cps);
15174 SendTimeControl(cps, mps, tc, inc, sd, st)
15175 ChessProgramState *cps;
15176 int mps, inc, sd, st;
15182 if( timeControl_2 > 0 ) {
15183 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15184 tc = timeControl_2;
15187 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15188 inc /= cps->timeOdds;
15189 st /= cps->timeOdds;
15191 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15194 /* Set exact time per move, normally using st command */
15195 if (cps->stKludge) {
15196 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15198 if (seconds == 0) {
15199 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15201 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15204 snprintf(buf, MSG_SIZ, "st %d\n", st);
15207 /* Set conventional or incremental time control, using level command */
15208 if (seconds == 0) {
15209 /* Note old gnuchess bug -- minutes:seconds used to not work.
15210 Fixed in later versions, but still avoid :seconds
15211 when seconds is 0. */
15212 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15214 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15215 seconds, inc/1000.);
15218 SendToProgram(buf, cps);
15220 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15221 /* Orthogonally, limit search to given depth */
15223 if (cps->sdKludge) {
15224 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15226 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15228 SendToProgram(buf, cps);
15231 if(cps->nps >= 0) { /* [HGM] nps */
15232 if(cps->supportsNPS == FALSE)
15233 cps->nps = -1; // don't use if engine explicitly says not supported!
15235 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15236 SendToProgram(buf, cps);
15241 ChessProgramState *WhitePlayer()
15242 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15244 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15245 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15251 SendTimeRemaining(cps, machineWhite)
15252 ChessProgramState *cps;
15253 int /*boolean*/ machineWhite;
15255 char message[MSG_SIZ];
15258 /* Note: this routine must be called when the clocks are stopped
15259 or when they have *just* been set or switched; otherwise
15260 it will be off by the time since the current tick started.
15262 if (machineWhite) {
15263 time = whiteTimeRemaining / 10;
15264 otime = blackTimeRemaining / 10;
15266 time = blackTimeRemaining / 10;
15267 otime = whiteTimeRemaining / 10;
15269 /* [HGM] translate opponent's time by time-odds factor */
15270 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15271 if (appData.debugMode) {
15272 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15275 if (time <= 0) time = 1;
15276 if (otime <= 0) otime = 1;
15278 snprintf(message, MSG_SIZ, "time %ld\n", time);
15279 SendToProgram(message, cps);
15281 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15282 SendToProgram(message, cps);
15286 BoolFeature(p, name, loc, cps)
15290 ChessProgramState *cps;
15293 int len = strlen(name);
15296 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15298 sscanf(*p, "%d", &val);
15300 while (**p && **p != ' ')
15302 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15303 SendToProgram(buf, cps);
15310 IntFeature(p, name, loc, cps)
15314 ChessProgramState *cps;
15317 int len = strlen(name);
15318 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15320 sscanf(*p, "%d", loc);
15321 while (**p && **p != ' ') (*p)++;
15322 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15323 SendToProgram(buf, cps);
15330 StringFeature(p, name, loc, cps)
15334 ChessProgramState *cps;
15337 int len = strlen(name);
15338 if (strncmp((*p), name, len) == 0
15339 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15341 sscanf(*p, "%[^\"]", loc);
15342 while (**p && **p != '\"') (*p)++;
15343 if (**p == '\"') (*p)++;
15344 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15345 SendToProgram(buf, cps);
15352 ParseOption(Option *opt, ChessProgramState *cps)
15353 // [HGM] options: process the string that defines an engine option, and determine
15354 // name, type, default value, and allowed value range
15356 char *p, *q, buf[MSG_SIZ];
15357 int n, min = (-1)<<31, max = 1<<31, def;
15359 if(p = strstr(opt->name, " -spin ")) {
15360 if((n = sscanf(p, " -spin %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;
15368 } else if((p = strstr(opt->name, " -slider "))) {
15369 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15370 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15371 if(max < min) max = min; // enforce consistency
15372 if(def < min) def = min;
15373 if(def > max) def = max;
15377 opt->type = Spin; // Slider;
15378 } else if((p = strstr(opt->name, " -string "))) {
15379 opt->textValue = p+9;
15380 opt->type = TextBox;
15381 } else if((p = strstr(opt->name, " -file "))) {
15382 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15383 opt->textValue = p+7;
15384 opt->type = FileName; // FileName;
15385 } else if((p = strstr(opt->name, " -path "))) {
15386 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15387 opt->textValue = p+7;
15388 opt->type = PathName; // PathName;
15389 } else if(p = strstr(opt->name, " -check ")) {
15390 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15391 opt->value = (def != 0);
15392 opt->type = CheckBox;
15393 } else if(p = strstr(opt->name, " -combo ")) {
15394 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15395 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15396 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15397 opt->value = n = 0;
15398 while(q = StrStr(q, " /// ")) {
15399 n++; *q = 0; // count choices, and null-terminate each of them
15401 if(*q == '*') { // remember default, which is marked with * prefix
15405 cps->comboList[cps->comboCnt++] = q;
15407 cps->comboList[cps->comboCnt++] = NULL;
15409 opt->type = ComboBox;
15410 } else if(p = strstr(opt->name, " -button")) {
15411 opt->type = Button;
15412 } else if(p = strstr(opt->name, " -save")) {
15413 opt->type = SaveButton;
15414 } else return FALSE;
15415 *p = 0; // terminate option name
15416 // now look if the command-line options define a setting for this engine option.
15417 if(cps->optionSettings && cps->optionSettings[0])
15418 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15419 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15420 snprintf(buf, MSG_SIZ, "option %s", p);
15421 if(p = strstr(buf, ",")) *p = 0;
15422 if(q = strchr(buf, '=')) switch(opt->type) {
15424 for(n=0; n<opt->max; n++)
15425 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15428 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15432 opt->value = atoi(q+1);
15437 SendToProgram(buf, cps);
15443 FeatureDone(cps, val)
15444 ChessProgramState* cps;
15447 DelayedEventCallback cb = GetDelayedEvent();
15448 if ((cb == InitBackEnd3 && cps == &first) ||
15449 (cb == SettingsMenuIfReady && cps == &second) ||
15450 (cb == LoadEngine) ||
15451 (cb == TwoMachinesEventIfReady)) {
15452 CancelDelayedEvent();
15453 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15455 cps->initDone = val;
15458 /* Parse feature command from engine */
15460 ParseFeatures(args, cps)
15462 ChessProgramState *cps;
15470 while (*p == ' ') p++;
15471 if (*p == NULLCHAR) return;
15473 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15474 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15475 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15476 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15477 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15478 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15479 if (BoolFeature(&p, "reuse", &val, cps)) {
15480 /* Engine can disable reuse, but can't enable it if user said no */
15481 if (!val) cps->reuse = FALSE;
15484 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15485 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15486 if (gameMode == TwoMachinesPlay) {
15487 DisplayTwoMachinesTitle();
15493 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15494 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15495 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15496 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15497 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15498 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15499 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15500 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15501 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15502 if (IntFeature(&p, "done", &val, cps)) {
15503 FeatureDone(cps, val);
15506 /* Added by Tord: */
15507 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15508 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15509 /* End of additions by Tord */
15511 /* [HGM] added features: */
15512 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15513 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15514 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15515 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15516 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15517 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15518 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15519 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15520 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15521 SendToProgram(buf, cps);
15524 if(cps->nrOptions >= MAX_OPTIONS) {
15526 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15527 DisplayError(buf, 0);
15531 /* End of additions by HGM */
15533 /* unknown feature: complain and skip */
15535 while (*q && *q != '=') q++;
15536 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15537 SendToProgram(buf, cps);
15543 while (*p && *p != '\"') p++;
15544 if (*p == '\"') p++;
15546 while (*p && *p != ' ') p++;
15554 PeriodicUpdatesEvent(newState)
15557 if (newState == appData.periodicUpdates)
15560 appData.periodicUpdates=newState;
15562 /* Display type changes, so update it now */
15563 // DisplayAnalysis();
15565 /* Get the ball rolling again... */
15567 AnalysisPeriodicEvent(1);
15568 StartAnalysisClock();
15573 PonderNextMoveEvent(newState)
15576 if (newState == appData.ponderNextMove) return;
15577 if (gameMode == EditPosition) EditPositionDone(TRUE);
15579 SendToProgram("hard\n", &first);
15580 if (gameMode == TwoMachinesPlay) {
15581 SendToProgram("hard\n", &second);
15584 SendToProgram("easy\n", &first);
15585 thinkOutput[0] = NULLCHAR;
15586 if (gameMode == TwoMachinesPlay) {
15587 SendToProgram("easy\n", &second);
15590 appData.ponderNextMove = newState;
15594 NewSettingEvent(option, feature, command, value)
15596 int option, value, *feature;
15600 if (gameMode == EditPosition) EditPositionDone(TRUE);
15601 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15602 if(feature == NULL || *feature) SendToProgram(buf, &first);
15603 if (gameMode == TwoMachinesPlay) {
15604 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15609 ShowThinkingEvent()
15610 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15612 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15613 int newState = appData.showThinking
15614 // [HGM] thinking: other features now need thinking output as well
15615 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15617 if (oldState == newState) return;
15618 oldState = newState;
15619 if (gameMode == EditPosition) EditPositionDone(TRUE);
15621 SendToProgram("post\n", &first);
15622 if (gameMode == TwoMachinesPlay) {
15623 SendToProgram("post\n", &second);
15626 SendToProgram("nopost\n", &first);
15627 thinkOutput[0] = NULLCHAR;
15628 if (gameMode == TwoMachinesPlay) {
15629 SendToProgram("nopost\n", &second);
15632 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15636 AskQuestionEvent(title, question, replyPrefix, which)
15637 char *title; char *question; char *replyPrefix; char *which;
15639 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15640 if (pr == NoProc) return;
15641 AskQuestion(title, question, replyPrefix, pr);
15645 TypeInEvent(char firstChar)
15647 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15648 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15649 gameMode == AnalyzeMode || gameMode == EditGame ||
15650 gameMode == EditPosition || gameMode == IcsExamining ||
15651 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15652 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15653 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15654 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15655 gameMode == Training) PopUpMoveDialog(firstChar);
15659 TypeInDoneEvent(char *move)
15662 int n, fromX, fromY, toX, toY;
15664 ChessMove moveType;
15667 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15668 EditPositionPasteFEN(move);
15671 // [HGM] movenum: allow move number to be typed in any mode
15672 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15677 if (gameMode != EditGame && currentMove != forwardMostMove &&
15678 gameMode != Training) {
15679 DisplayMoveError(_("Displayed move is not current"));
15681 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15682 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15683 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15684 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15685 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15686 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15688 DisplayMoveError(_("Could not parse move"));
15694 DisplayMove(moveNumber)
15697 char message[MSG_SIZ];
15699 char cpThinkOutput[MSG_SIZ];
15701 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15703 if (moveNumber == forwardMostMove - 1 ||
15704 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15706 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15708 if (strchr(cpThinkOutput, '\n')) {
15709 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15712 *cpThinkOutput = NULLCHAR;
15715 /* [AS] Hide thinking from human user */
15716 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15717 *cpThinkOutput = NULLCHAR;
15718 if( thinkOutput[0] != NULLCHAR ) {
15721 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15722 cpThinkOutput[i] = '.';
15724 cpThinkOutput[i] = NULLCHAR;
15725 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15729 if (moveNumber == forwardMostMove - 1 &&
15730 gameInfo.resultDetails != NULL) {
15731 if (gameInfo.resultDetails[0] == NULLCHAR) {
15732 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15734 snprintf(res, MSG_SIZ, " {%s} %s",
15735 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15741 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15742 DisplayMessage(res, cpThinkOutput);
15744 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15745 WhiteOnMove(moveNumber) ? " " : ".. ",
15746 parseList[moveNumber], res);
15747 DisplayMessage(message, cpThinkOutput);
15752 DisplayComment(moveNumber, text)
15756 char title[MSG_SIZ];
15758 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15759 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15761 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15762 WhiteOnMove(moveNumber) ? " " : ".. ",
15763 parseList[moveNumber]);
15765 if (text != NULL && (appData.autoDisplayComment || commentUp))
15766 CommentPopUp(title, text);
15769 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15770 * might be busy thinking or pondering. It can be omitted if your
15771 * gnuchess is configured to stop thinking immediately on any user
15772 * input. However, that gnuchess feature depends on the FIONREAD
15773 * ioctl, which does not work properly on some flavors of Unix.
15777 ChessProgramState *cps;
15780 if (!cps->useSigint) return;
15781 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15782 switch (gameMode) {
15783 case MachinePlaysWhite:
15784 case MachinePlaysBlack:
15785 case TwoMachinesPlay:
15786 case IcsPlayingWhite:
15787 case IcsPlayingBlack:
15790 /* Skip if we know it isn't thinking */
15791 if (!cps->maybeThinking) return;
15792 if (appData.debugMode)
15793 fprintf(debugFP, "Interrupting %s\n", cps->which);
15794 InterruptChildProcess(cps->pr);
15795 cps->maybeThinking = FALSE;
15800 #endif /*ATTENTION*/
15806 if (whiteTimeRemaining <= 0) {
15809 if (appData.icsActive) {
15810 if (appData.autoCallFlag &&
15811 gameMode == IcsPlayingBlack && !blackFlag) {
15812 SendToICS(ics_prefix);
15813 SendToICS("flag\n");
15817 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15819 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15820 if (appData.autoCallFlag) {
15821 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15828 if (blackTimeRemaining <= 0) {
15831 if (appData.icsActive) {
15832 if (appData.autoCallFlag &&
15833 gameMode == IcsPlayingWhite && !whiteFlag) {
15834 SendToICS(ics_prefix);
15835 SendToICS("flag\n");
15839 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15841 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15842 if (appData.autoCallFlag) {
15843 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15856 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15857 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15860 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15862 if ( !WhiteOnMove(forwardMostMove) ) {
15863 /* White made time control */
15864 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15865 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15866 /* [HGM] time odds: correct new time quota for time odds! */
15867 / WhitePlayer()->timeOdds;
15868 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15870 lastBlack -= blackTimeRemaining;
15871 /* Black made time control */
15872 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15873 / WhitePlayer()->other->timeOdds;
15874 lastWhite = whiteTimeRemaining;
15879 DisplayBothClocks()
15881 int wom = gameMode == EditPosition ?
15882 !blackPlaysFirst : WhiteOnMove(currentMove);
15883 DisplayWhiteClock(whiteTimeRemaining, wom);
15884 DisplayBlackClock(blackTimeRemaining, !wom);
15888 /* Timekeeping seems to be a portability nightmare. I think everyone
15889 has ftime(), but I'm really not sure, so I'm including some ifdefs
15890 to use other calls if you don't. Clocks will be less accurate if
15891 you have neither ftime nor gettimeofday.
15894 /* VS 2008 requires the #include outside of the function */
15895 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15896 #include <sys/timeb.h>
15899 /* Get the current time as a TimeMark */
15904 #if HAVE_GETTIMEOFDAY
15906 struct timeval timeVal;
15907 struct timezone timeZone;
15909 gettimeofday(&timeVal, &timeZone);
15910 tm->sec = (long) timeVal.tv_sec;
15911 tm->ms = (int) (timeVal.tv_usec / 1000L);
15913 #else /*!HAVE_GETTIMEOFDAY*/
15916 // include <sys/timeb.h> / moved to just above start of function
15917 struct timeb timeB;
15920 tm->sec = (long) timeB.time;
15921 tm->ms = (int) timeB.millitm;
15923 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15924 tm->sec = (long) time(NULL);
15930 /* Return the difference in milliseconds between two
15931 time marks. We assume the difference will fit in a long!
15934 SubtractTimeMarks(tm2, tm1)
15935 TimeMark *tm2, *tm1;
15937 return 1000L*(tm2->sec - tm1->sec) +
15938 (long) (tm2->ms - tm1->ms);
15943 * Code to manage the game clocks.
15945 * In tournament play, black starts the clock and then white makes a move.
15946 * We give the human user a slight advantage if he is playing white---the
15947 * clocks don't run until he makes his first move, so it takes zero time.
15948 * Also, we don't account for network lag, so we could get out of sync
15949 * with GNU Chess's clock -- but then, referees are always right.
15952 static TimeMark tickStartTM;
15953 static long intendedTickLength;
15956 NextTickLength(timeRemaining)
15957 long timeRemaining;
15959 long nominalTickLength, nextTickLength;
15961 if (timeRemaining > 0L && timeRemaining <= 10000L)
15962 nominalTickLength = 100L;
15964 nominalTickLength = 1000L;
15965 nextTickLength = timeRemaining % nominalTickLength;
15966 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15968 return nextTickLength;
15971 /* Adjust clock one minute up or down */
15973 AdjustClock(Boolean which, int dir)
15975 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15976 if(which) blackTimeRemaining += 60000*dir;
15977 else whiteTimeRemaining += 60000*dir;
15978 DisplayBothClocks();
15979 adjustedClock = TRUE;
15982 /* Stop clocks and reset to a fresh time control */
15986 (void) StopClockTimer();
15987 if (appData.icsActive) {
15988 whiteTimeRemaining = blackTimeRemaining = 0;
15989 } else if (searchTime) {
15990 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15991 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15992 } else { /* [HGM] correct new time quote for time odds */
15993 whiteTC = blackTC = fullTimeControlString;
15994 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15995 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15997 if (whiteFlag || blackFlag) {
15999 whiteFlag = blackFlag = FALSE;
16001 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16002 DisplayBothClocks();
16003 adjustedClock = FALSE;
16006 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16008 /* Decrement running clock by amount of time that has passed */
16012 long timeRemaining;
16013 long lastTickLength, fudge;
16016 if (!appData.clockMode) return;
16017 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16021 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16023 /* Fudge if we woke up a little too soon */
16024 fudge = intendedTickLength - lastTickLength;
16025 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16027 if (WhiteOnMove(forwardMostMove)) {
16028 if(whiteNPS >= 0) lastTickLength = 0;
16029 timeRemaining = whiteTimeRemaining -= lastTickLength;
16030 if(timeRemaining < 0 && !appData.icsActive) {
16031 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16032 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16033 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16034 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16037 DisplayWhiteClock(whiteTimeRemaining - fudge,
16038 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16040 if(blackNPS >= 0) lastTickLength = 0;
16041 timeRemaining = blackTimeRemaining -= lastTickLength;
16042 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16043 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16045 blackStartMove = forwardMostMove;
16046 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16049 DisplayBlackClock(blackTimeRemaining - fudge,
16050 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16052 if (CheckFlags()) return;
16055 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16056 StartClockTimer(intendedTickLength);
16058 /* if the time remaining has fallen below the alarm threshold, sound the
16059 * alarm. if the alarm has sounded and (due to a takeback or time control
16060 * with increment) the time remaining has increased to a level above the
16061 * threshold, reset the alarm so it can sound again.
16064 if (appData.icsActive && appData.icsAlarm) {
16066 /* make sure we are dealing with the user's clock */
16067 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16068 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16071 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16072 alarmSounded = FALSE;
16073 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16075 alarmSounded = TRUE;
16081 /* A player has just moved, so stop the previously running
16082 clock and (if in clock mode) start the other one.
16083 We redisplay both clocks in case we're in ICS mode, because
16084 ICS gives us an update to both clocks after every move.
16085 Note that this routine is called *after* forwardMostMove
16086 is updated, so the last fractional tick must be subtracted
16087 from the color that is *not* on move now.
16090 SwitchClocks(int newMoveNr)
16092 long lastTickLength;
16094 int flagged = FALSE;
16098 if (StopClockTimer() && appData.clockMode) {
16099 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16100 if (!WhiteOnMove(forwardMostMove)) {
16101 if(blackNPS >= 0) lastTickLength = 0;
16102 blackTimeRemaining -= lastTickLength;
16103 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16104 // if(pvInfoList[forwardMostMove].time == -1)
16105 pvInfoList[forwardMostMove].time = // use GUI time
16106 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16108 if(whiteNPS >= 0) lastTickLength = 0;
16109 whiteTimeRemaining -= lastTickLength;
16110 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16111 // if(pvInfoList[forwardMostMove].time == -1)
16112 pvInfoList[forwardMostMove].time =
16113 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16115 flagged = CheckFlags();
16117 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16118 CheckTimeControl();
16120 if (flagged || !appData.clockMode) return;
16122 switch (gameMode) {
16123 case MachinePlaysBlack:
16124 case MachinePlaysWhite:
16125 case BeginningOfGame:
16126 if (pausing) return;
16130 case PlayFromGameFile:
16138 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16139 if(WhiteOnMove(forwardMostMove))
16140 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16141 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16145 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16146 whiteTimeRemaining : blackTimeRemaining);
16147 StartClockTimer(intendedTickLength);
16151 /* Stop both clocks */
16155 long lastTickLength;
16158 if (!StopClockTimer()) return;
16159 if (!appData.clockMode) return;
16163 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16164 if (WhiteOnMove(forwardMostMove)) {
16165 if(whiteNPS >= 0) lastTickLength = 0;
16166 whiteTimeRemaining -= lastTickLength;
16167 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16169 if(blackNPS >= 0) lastTickLength = 0;
16170 blackTimeRemaining -= lastTickLength;
16171 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16176 /* Start clock of player on move. Time may have been reset, so
16177 if clock is already running, stop and restart it. */
16181 (void) StopClockTimer(); /* in case it was running already */
16182 DisplayBothClocks();
16183 if (CheckFlags()) return;
16185 if (!appData.clockMode) return;
16186 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16188 GetTimeMark(&tickStartTM);
16189 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16190 whiteTimeRemaining : blackTimeRemaining);
16192 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16193 whiteNPS = blackNPS = -1;
16194 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16195 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16196 whiteNPS = first.nps;
16197 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16198 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16199 blackNPS = first.nps;
16200 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16201 whiteNPS = second.nps;
16202 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16203 blackNPS = second.nps;
16204 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16206 StartClockTimer(intendedTickLength);
16213 long second, minute, hour, day;
16215 static char buf[32];
16217 if (ms > 0 && ms <= 9900) {
16218 /* convert milliseconds to tenths, rounding up */
16219 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16221 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16225 /* convert milliseconds to seconds, rounding up */
16226 /* use floating point to avoid strangeness of integer division
16227 with negative dividends on many machines */
16228 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16235 day = second / (60 * 60 * 24);
16236 second = second % (60 * 60 * 24);
16237 hour = second / (60 * 60);
16238 second = second % (60 * 60);
16239 minute = second / 60;
16240 second = second % 60;
16243 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16244 sign, day, hour, minute, second);
16246 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16248 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16255 * This is necessary because some C libraries aren't ANSI C compliant yet.
16258 StrStr(string, match)
16259 char *string, *match;
16263 length = strlen(match);
16265 for (i = strlen(string) - length; i >= 0; i--, string++)
16266 if (!strncmp(match, string, length))
16273 StrCaseStr(string, match)
16274 char *string, *match;
16278 length = strlen(match);
16280 for (i = strlen(string) - length; i >= 0; i--, string++) {
16281 for (j = 0; j < length; j++) {
16282 if (ToLower(match[j]) != ToLower(string[j]))
16285 if (j == length) return string;
16299 c1 = ToLower(*s1++);
16300 c2 = ToLower(*s2++);
16301 if (c1 > c2) return 1;
16302 if (c1 < c2) return -1;
16303 if (c1 == NULLCHAR) return 0;
16312 return isupper(c) ? tolower(c) : c;
16320 return islower(c) ? toupper(c) : c;
16322 #endif /* !_amigados */
16330 if ((ret = (char *) malloc(strlen(s) + 1)))
16332 safeStrCpy(ret, s, strlen(s)+1);
16338 StrSavePtr(s, savePtr)
16339 char *s, **savePtr;
16344 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16345 safeStrCpy(*savePtr, s, strlen(s)+1);
16357 clock = time((time_t *)NULL);
16358 tm = localtime(&clock);
16359 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16360 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16361 return StrSave(buf);
16366 PositionToFEN(move, overrideCastling)
16368 char *overrideCastling;
16370 int i, j, fromX, fromY, toX, toY;
16377 whiteToPlay = (gameMode == EditPosition) ?
16378 !blackPlaysFirst : (move % 2 == 0);
16381 /* Piece placement data */
16382 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16383 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16385 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16386 if (boards[move][i][j] == EmptySquare) {
16388 } else { ChessSquare piece = boards[move][i][j];
16389 if (emptycount > 0) {
16390 if(emptycount<10) /* [HGM] can be >= 10 */
16391 *p++ = '0' + emptycount;
16392 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16395 if(PieceToChar(piece) == '+') {
16396 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16398 piece = (ChessSquare)(DEMOTED piece);
16400 *p++ = PieceToChar(piece);
16402 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16403 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16408 if (emptycount > 0) {
16409 if(emptycount<10) /* [HGM] can be >= 10 */
16410 *p++ = '0' + emptycount;
16411 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16418 /* [HGM] print Crazyhouse or Shogi holdings */
16419 if( gameInfo.holdingsWidth ) {
16420 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16422 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16423 piece = boards[move][i][BOARD_WIDTH-1];
16424 if( piece != EmptySquare )
16425 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16426 *p++ = PieceToChar(piece);
16428 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16429 piece = boards[move][BOARD_HEIGHT-i-1][0];
16430 if( piece != EmptySquare )
16431 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16432 *p++ = PieceToChar(piece);
16435 if( q == p ) *p++ = '-';
16441 *p++ = whiteToPlay ? 'w' : 'b';
16444 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16445 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16447 if(nrCastlingRights) {
16449 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16450 /* [HGM] write directly from rights */
16451 if(boards[move][CASTLING][2] != NoRights &&
16452 boards[move][CASTLING][0] != NoRights )
16453 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16454 if(boards[move][CASTLING][2] != NoRights &&
16455 boards[move][CASTLING][1] != NoRights )
16456 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16457 if(boards[move][CASTLING][5] != NoRights &&
16458 boards[move][CASTLING][3] != NoRights )
16459 *p++ = boards[move][CASTLING][3] + AAA;
16460 if(boards[move][CASTLING][5] != NoRights &&
16461 boards[move][CASTLING][4] != NoRights )
16462 *p++ = boards[move][CASTLING][4] + AAA;
16465 /* [HGM] write true castling rights */
16466 if( nrCastlingRights == 6 ) {
16467 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16468 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16469 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16470 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16471 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16472 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16473 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16474 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16477 if (q == p) *p++ = '-'; /* No castling rights */
16481 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16482 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16483 /* En passant target square */
16484 if (move > backwardMostMove) {
16485 fromX = moveList[move - 1][0] - AAA;
16486 fromY = moveList[move - 1][1] - ONE;
16487 toX = moveList[move - 1][2] - AAA;
16488 toY = moveList[move - 1][3] - ONE;
16489 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16490 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16491 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16493 /* 2-square pawn move just happened */
16495 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16499 } else if(move == backwardMostMove) {
16500 // [HGM] perhaps we should always do it like this, and forget the above?
16501 if((signed char)boards[move][EP_STATUS] >= 0) {
16502 *p++ = boards[move][EP_STATUS] + AAA;
16503 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16514 /* [HGM] find reversible plies */
16515 { int i = 0, j=move;
16517 if (appData.debugMode) { int k;
16518 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16519 for(k=backwardMostMove; k<=forwardMostMove; k++)
16520 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16524 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16525 if( j == backwardMostMove ) i += initialRulePlies;
16526 sprintf(p, "%d ", i);
16527 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16529 /* Fullmove number */
16530 sprintf(p, "%d", (move / 2) + 1);
16532 return StrSave(buf);
16536 ParseFEN(board, blackPlaysFirst, fen)
16538 int *blackPlaysFirst;
16548 /* [HGM] by default clear Crazyhouse holdings, if present */
16549 if(gameInfo.holdingsWidth) {
16550 for(i=0; i<BOARD_HEIGHT; i++) {
16551 board[i][0] = EmptySquare; /* black holdings */
16552 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16553 board[i][1] = (ChessSquare) 0; /* black counts */
16554 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16558 /* Piece placement data */
16559 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16562 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16563 if (*p == '/') p++;
16564 emptycount = gameInfo.boardWidth - j;
16565 while (emptycount--)
16566 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16568 #if(BOARD_FILES >= 10)
16569 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16570 p++; emptycount=10;
16571 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16572 while (emptycount--)
16573 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16575 } else if (isdigit(*p)) {
16576 emptycount = *p++ - '0';
16577 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16578 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16579 while (emptycount--)
16580 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16581 } else if (*p == '+' || isalpha(*p)) {
16582 if (j >= gameInfo.boardWidth) return FALSE;
16584 piece = CharToPiece(*++p);
16585 if(piece == EmptySquare) return FALSE; /* unknown piece */
16586 piece = (ChessSquare) (PROMOTED piece ); p++;
16587 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16588 } else piece = CharToPiece(*p++);
16590 if(piece==EmptySquare) return FALSE; /* unknown piece */
16591 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16592 piece = (ChessSquare) (PROMOTED piece);
16593 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16596 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16602 while (*p == '/' || *p == ' ') p++;
16604 /* [HGM] look for Crazyhouse holdings here */
16605 while(*p==' ') p++;
16606 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16608 if(*p == '-' ) p++; /* empty holdings */ else {
16609 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16610 /* if we would allow FEN reading to set board size, we would */
16611 /* have to add holdings and shift the board read so far here */
16612 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16614 if((int) piece >= (int) BlackPawn ) {
16615 i = (int)piece - (int)BlackPawn;
16616 i = PieceToNumber((ChessSquare)i);
16617 if( i >= gameInfo.holdingsSize ) return FALSE;
16618 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16619 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16621 i = (int)piece - (int)WhitePawn;
16622 i = PieceToNumber((ChessSquare)i);
16623 if( i >= gameInfo.holdingsSize ) return FALSE;
16624 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16625 board[i][BOARD_WIDTH-2]++; /* black holdings */
16632 while(*p == ' ') p++;
16636 if(appData.colorNickNames) {
16637 if( c == appData.colorNickNames[0] ) c = 'w'; else
16638 if( c == appData.colorNickNames[1] ) c = 'b';
16642 *blackPlaysFirst = FALSE;
16645 *blackPlaysFirst = TRUE;
16651 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16652 /* return the extra info in global variiables */
16654 /* set defaults in case FEN is incomplete */
16655 board[EP_STATUS] = EP_UNKNOWN;
16656 for(i=0; i<nrCastlingRights; i++ ) {
16657 board[CASTLING][i] =
16658 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16659 } /* assume possible unless obviously impossible */
16660 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16661 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16662 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16663 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16664 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16665 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16666 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16667 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16670 while(*p==' ') p++;
16671 if(nrCastlingRights) {
16672 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16673 /* castling indicator present, so default becomes no castlings */
16674 for(i=0; i<nrCastlingRights; i++ ) {
16675 board[CASTLING][i] = NoRights;
16678 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16679 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16680 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16681 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16682 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16684 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16685 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16686 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16688 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16689 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16690 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16691 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16692 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16693 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16696 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16697 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16698 board[CASTLING][2] = whiteKingFile;
16701 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16702 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16703 board[CASTLING][2] = whiteKingFile;
16706 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16707 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16708 board[CASTLING][5] = blackKingFile;
16711 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16712 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16713 board[CASTLING][5] = blackKingFile;
16716 default: /* FRC castlings */
16717 if(c >= 'a') { /* black rights */
16718 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16719 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16720 if(i == BOARD_RGHT) break;
16721 board[CASTLING][5] = i;
16723 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16724 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16726 board[CASTLING][3] = c;
16728 board[CASTLING][4] = c;
16729 } else { /* white rights */
16730 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16731 if(board[0][i] == WhiteKing) break;
16732 if(i == BOARD_RGHT) break;
16733 board[CASTLING][2] = i;
16734 c -= AAA - 'a' + 'A';
16735 if(board[0][c] >= WhiteKing) break;
16737 board[CASTLING][0] = c;
16739 board[CASTLING][1] = c;
16743 for(i=0; i<nrCastlingRights; i++)
16744 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16745 if (appData.debugMode) {
16746 fprintf(debugFP, "FEN castling rights:");
16747 for(i=0; i<nrCastlingRights; i++)
16748 fprintf(debugFP, " %d", board[CASTLING][i]);
16749 fprintf(debugFP, "\n");
16752 while(*p==' ') p++;
16755 /* read e.p. field in games that know e.p. capture */
16756 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16757 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16759 p++; board[EP_STATUS] = EP_NONE;
16761 char c = *p++ - AAA;
16763 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16764 if(*p >= '0' && *p <='9') p++;
16765 board[EP_STATUS] = c;
16770 if(sscanf(p, "%d", &i) == 1) {
16771 FENrulePlies = i; /* 50-move ply counter */
16772 /* (The move number is still ignored) */
16779 EditPositionPasteFEN(char *fen)
16782 Board initial_position;
16784 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16785 DisplayError(_("Bad FEN position in clipboard"), 0);
16788 int savedBlackPlaysFirst = blackPlaysFirst;
16789 EditPositionEvent();
16790 blackPlaysFirst = savedBlackPlaysFirst;
16791 CopyBoard(boards[0], initial_position);
16792 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16793 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16794 DisplayBothClocks();
16795 DrawPosition(FALSE, boards[currentMove]);
16800 static char cseq[12] = "\\ ";
16802 Boolean set_cont_sequence(char *new_seq)
16807 // handle bad attempts to set the sequence
16809 return 0; // acceptable error - no debug
16811 len = strlen(new_seq);
16812 ret = (len > 0) && (len < sizeof(cseq));
16814 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16815 else if (appData.debugMode)
16816 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16821 reformat a source message so words don't cross the width boundary. internal
16822 newlines are not removed. returns the wrapped size (no null character unless
16823 included in source message). If dest is NULL, only calculate the size required
16824 for the dest buffer. lp argument indicats line position upon entry, and it's
16825 passed back upon exit.
16827 int wrap(char *dest, char *src, int count, int width, int *lp)
16829 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16831 cseq_len = strlen(cseq);
16832 old_line = line = *lp;
16833 ansi = len = clen = 0;
16835 for (i=0; i < count; i++)
16837 if (src[i] == '\033')
16840 // if we hit the width, back up
16841 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16843 // store i & len in case the word is too long
16844 old_i = i, old_len = len;
16846 // find the end of the last word
16847 while (i && src[i] != ' ' && src[i] != '\n')
16853 // word too long? restore i & len before splitting it
16854 if ((old_i-i+clen) >= width)
16861 if (i && src[i-1] == ' ')
16864 if (src[i] != ' ' && src[i] != '\n')
16871 // now append the newline and continuation sequence
16876 strncpy(dest+len, cseq, cseq_len);
16884 dest[len] = src[i];
16888 if (src[i] == '\n')
16893 if (dest && appData.debugMode)
16895 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16896 count, width, line, len, *lp);
16897 show_bytes(debugFP, src, count);
16898 fprintf(debugFP, "\ndest: ");
16899 show_bytes(debugFP, dest, len);
16900 fprintf(debugFP, "\n");
16902 *lp = dest ? line : old_line;
16907 // [HGM] vari: routines for shelving variations
16908 Boolean modeRestore = FALSE;
16911 PushInner(int firstMove, int lastMove)
16913 int i, j, nrMoves = lastMove - firstMove;
16915 // push current tail of game on stack
16916 savedResult[storedGames] = gameInfo.result;
16917 savedDetails[storedGames] = gameInfo.resultDetails;
16918 gameInfo.resultDetails = NULL;
16919 savedFirst[storedGames] = firstMove;
16920 savedLast [storedGames] = lastMove;
16921 savedFramePtr[storedGames] = framePtr;
16922 framePtr -= nrMoves; // reserve space for the boards
16923 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16924 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16925 for(j=0; j<MOVE_LEN; j++)
16926 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16927 for(j=0; j<2*MOVE_LEN; j++)
16928 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16929 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16930 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16931 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16932 pvInfoList[firstMove+i-1].depth = 0;
16933 commentList[framePtr+i] = commentList[firstMove+i];
16934 commentList[firstMove+i] = NULL;
16938 forwardMostMove = firstMove; // truncate game so we can start variation
16942 PushTail(int firstMove, int lastMove)
16944 if(appData.icsActive) { // only in local mode
16945 forwardMostMove = currentMove; // mimic old ICS behavior
16948 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16950 PushInner(firstMove, lastMove);
16951 if(storedGames == 1) GreyRevert(FALSE);
16952 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16956 PopInner(Boolean annotate)
16959 char buf[8000], moveBuf[20];
16961 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16962 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16963 nrMoves = savedLast[storedGames] - currentMove;
16966 if(!WhiteOnMove(currentMove))
16967 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16968 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16969 for(i=currentMove; i<forwardMostMove; i++) {
16971 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16972 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16973 strcat(buf, moveBuf);
16974 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16975 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16979 for(i=1; i<=nrMoves; i++) { // copy last variation back
16980 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16981 for(j=0; j<MOVE_LEN; j++)
16982 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16983 for(j=0; j<2*MOVE_LEN; j++)
16984 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16985 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16986 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16987 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16988 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16989 commentList[currentMove+i] = commentList[framePtr+i];
16990 commentList[framePtr+i] = NULL;
16992 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16993 framePtr = savedFramePtr[storedGames];
16994 gameInfo.result = savedResult[storedGames];
16995 if(gameInfo.resultDetails != NULL) {
16996 free(gameInfo.resultDetails);
16998 gameInfo.resultDetails = savedDetails[storedGames];
16999 forwardMostMove = currentMove + nrMoves;
17003 PopTail(Boolean annotate)
17005 if(appData.icsActive) return FALSE; // only in local mode
17006 if(!storedGames) return FALSE; // sanity
17007 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17009 PopInner(annotate);
17010 if(currentMove < forwardMostMove) ForwardEvent(); else
17011 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17013 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17019 { // remove all shelved variations
17021 for(i=0; i<storedGames; i++) {
17022 if(savedDetails[i])
17023 free(savedDetails[i]);
17024 savedDetails[i] = NULL;
17026 for(i=framePtr; i<MAX_MOVES; i++) {
17027 if(commentList[i]) free(commentList[i]);
17028 commentList[i] = NULL;
17030 framePtr = MAX_MOVES-1;
17035 LoadVariation(int index, char *text)
17036 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17037 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17038 int level = 0, move;
17040 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17041 // first find outermost bracketing variation
17042 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17043 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17044 if(*p == '{') wait = '}'; else
17045 if(*p == '[') wait = ']'; else
17046 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17047 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17049 if(*p == wait) wait = NULLCHAR; // closing ]} found
17052 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17053 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17054 end[1] = NULLCHAR; // clip off comment beyond variation
17055 ToNrEvent(currentMove-1);
17056 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17057 // kludge: use ParsePV() to append variation to game
17058 move = currentMove;
17059 ParsePV(start, TRUE, TRUE);
17060 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17061 ClearPremoveHighlights();
17063 ToNrEvent(currentMove+1);