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 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4435 board[5][BOARD_RGHT+1] = WhiteAngel;
4436 board[6][BOARD_RGHT+1] = WhiteMarshall;
4437 board[1][0] = BlackMarshall;
4438 board[2][0] = BlackAngel;
4439 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4441 CopyBoard(boards[moveNum], board);
4442 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4444 startedFromSetupPosition =
4445 !CompareBoards(board, initialPosition);
4446 if(startedFromSetupPosition)
4447 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4450 /* [HGM] Set castling rights. Take the outermost Rooks,
4451 to make it also work for FRC opening positions. Note that board12
4452 is really defective for later FRC positions, as it has no way to
4453 indicate which Rook can castle if they are on the same side of King.
4454 For the initial position we grant rights to the outermost Rooks,
4455 and remember thos rights, and we then copy them on positions
4456 later in an FRC game. This means WB might not recognize castlings with
4457 Rooks that have moved back to their original position as illegal,
4458 but in ICS mode that is not its job anyway.
4460 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4461 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4463 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4464 if(board[0][i] == WhiteRook) j = i;
4465 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4466 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4467 if(board[0][i] == WhiteRook) j = i;
4468 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4469 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4470 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4471 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4472 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4473 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4474 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4476 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4477 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4478 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4479 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4480 if(board[BOARD_HEIGHT-1][k] == bKing)
4481 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4482 if(gameInfo.variant == VariantTwoKings) {
4483 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4484 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4485 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4488 r = boards[moveNum][CASTLING][0] = initialRights[0];
4489 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4490 r = boards[moveNum][CASTLING][1] = initialRights[1];
4491 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4492 r = boards[moveNum][CASTLING][3] = initialRights[3];
4493 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4494 r = boards[moveNum][CASTLING][4] = initialRights[4];
4495 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4496 /* wildcastle kludge: always assume King has rights */
4497 r = boards[moveNum][CASTLING][2] = initialRights[2];
4498 r = boards[moveNum][CASTLING][5] = initialRights[5];
4500 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4501 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4504 if (ics_getting_history == H_GOT_REQ_HEADER ||
4505 ics_getting_history == H_GOT_UNREQ_HEADER) {
4506 /* This was an initial position from a move list, not
4507 the current position */
4511 /* Update currentMove and known move number limits */
4512 newMove = newGame || moveNum > forwardMostMove;
4515 forwardMostMove = backwardMostMove = currentMove = moveNum;
4516 if (gameMode == IcsExamining && moveNum == 0) {
4517 /* Workaround for ICS limitation: we are not told the wild
4518 type when starting to examine a game. But if we ask for
4519 the move list, the move list header will tell us */
4520 ics_getting_history = H_REQUESTED;
4521 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4524 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4525 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4527 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4528 /* [HGM] applied this also to an engine that is silently watching */
4529 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4530 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4531 gameInfo.variant == currentlyInitializedVariant) {
4532 takeback = forwardMostMove - moveNum;
4533 for (i = 0; i < takeback; i++) {
4534 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4535 SendToProgram("undo\n", &first);
4540 forwardMostMove = moveNum;
4541 if (!pausing || currentMove > forwardMostMove)
4542 currentMove = forwardMostMove;
4544 /* New part of history that is not contiguous with old part */
4545 if (pausing && gameMode == IcsExamining) {
4546 pauseExamInvalid = TRUE;
4547 forwardMostMove = pauseExamForwardMostMove;
4550 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4552 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4553 // [HGM] when we will receive the move list we now request, it will be
4554 // fed to the engine from the first move on. So if the engine is not
4555 // in the initial position now, bring it there.
4556 InitChessProgram(&first, 0);
4559 ics_getting_history = H_REQUESTED;
4560 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4563 forwardMostMove = backwardMostMove = currentMove = moveNum;
4566 /* Update the clocks */
4567 if (strchr(elapsed_time, '.')) {
4569 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4570 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4572 /* Time is in seconds */
4573 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4574 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4579 if (appData.zippyPlay && newGame &&
4580 gameMode != IcsObserving && gameMode != IcsIdle &&
4581 gameMode != IcsExamining)
4582 ZippyFirstBoard(moveNum, basetime, increment);
4585 /* Put the move on the move list, first converting
4586 to canonical algebraic form. */
4588 if (appData.debugMode) {
4589 if (appData.debugMode) { int f = forwardMostMove;
4590 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4591 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4592 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4594 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4595 fprintf(debugFP, "moveNum = %d\n", moveNum);
4596 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4597 setbuf(debugFP, NULL);
4599 if (moveNum <= backwardMostMove) {
4600 /* We don't know what the board looked like before
4602 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4603 strcat(parseList[moveNum - 1], " ");
4604 strcat(parseList[moveNum - 1], elapsed_time);
4605 moveList[moveNum - 1][0] = NULLCHAR;
4606 } else if (strcmp(move_str, "none") == 0) {
4607 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4608 /* Again, we don't know what the board looked like;
4609 this is really the start of the game. */
4610 parseList[moveNum - 1][0] = NULLCHAR;
4611 moveList[moveNum - 1][0] = NULLCHAR;
4612 backwardMostMove = moveNum;
4613 startedFromSetupPosition = TRUE;
4614 fromX = fromY = toX = toY = -1;
4616 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4617 // So we parse the long-algebraic move string in stead of the SAN move
4618 int valid; char buf[MSG_SIZ], *prom;
4620 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4621 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4622 // str looks something like "Q/a1-a2"; kill the slash
4624 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4625 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4626 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4627 strcat(buf, prom); // long move lacks promo specification!
4628 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4629 if(appData.debugMode)
4630 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4631 safeStrCpy(move_str, buf, MSG_SIZ);
4633 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4634 &fromX, &fromY, &toX, &toY, &promoChar)
4635 || ParseOneMove(buf, moveNum - 1, &moveType,
4636 &fromX, &fromY, &toX, &toY, &promoChar);
4637 // end of long SAN patch
4639 (void) CoordsToAlgebraic(boards[moveNum - 1],
4640 PosFlags(moveNum - 1),
4641 fromY, fromX, toY, toX, promoChar,
4642 parseList[moveNum-1]);
4643 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4649 if(gameInfo.variant != VariantShogi)
4650 strcat(parseList[moveNum - 1], "+");
4653 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4654 strcat(parseList[moveNum - 1], "#");
4657 strcat(parseList[moveNum - 1], " ");
4658 strcat(parseList[moveNum - 1], elapsed_time);
4659 /* currentMoveString is set as a side-effect of ParseOneMove */
4660 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4661 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4662 strcat(moveList[moveNum - 1], "\n");
4664 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4665 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4666 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4667 ChessSquare old, new = boards[moveNum][k][j];
4668 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4669 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4670 if(old == new) continue;
4671 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4672 else if(new == WhiteWazir || new == BlackWazir) {
4673 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4674 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4675 else boards[moveNum][k][j] = old; // preserve type of Gold
4676 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4677 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4680 /* Move from ICS was illegal!? Punt. */
4681 if (appData.debugMode) {
4682 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4683 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4685 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4686 strcat(parseList[moveNum - 1], " ");
4687 strcat(parseList[moveNum - 1], elapsed_time);
4688 moveList[moveNum - 1][0] = NULLCHAR;
4689 fromX = fromY = toX = toY = -1;
4692 if (appData.debugMode) {
4693 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4694 setbuf(debugFP, NULL);
4698 /* Send move to chess program (BEFORE animating it). */
4699 if (appData.zippyPlay && !newGame && newMove &&
4700 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4702 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4703 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4704 if (moveList[moveNum - 1][0] == NULLCHAR) {
4705 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4707 DisplayError(str, 0);
4709 if (first.sendTime) {
4710 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4712 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4713 if (firstMove && !bookHit) {
4715 if (first.useColors) {
4716 SendToProgram(gameMode == IcsPlayingWhite ?
4718 "black\ngo\n", &first);
4720 SendToProgram("go\n", &first);
4722 first.maybeThinking = TRUE;
4725 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4726 if (moveList[moveNum - 1][0] == NULLCHAR) {
4727 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4728 DisplayError(str, 0);
4730 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4731 SendMoveToProgram(moveNum - 1, &first);
4738 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4739 /* If move comes from a remote source, animate it. If it
4740 isn't remote, it will have already been animated. */
4741 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4742 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4744 if (!pausing && appData.highlightLastMove) {
4745 SetHighlights(fromX, fromY, toX, toY);
4749 /* Start the clocks */
4750 whiteFlag = blackFlag = FALSE;
4751 appData.clockMode = !(basetime == 0 && increment == 0);
4753 ics_clock_paused = TRUE;
4755 } else if (ticking == 1) {
4756 ics_clock_paused = FALSE;
4758 if (gameMode == IcsIdle ||
4759 relation == RELATION_OBSERVING_STATIC ||
4760 relation == RELATION_EXAMINING ||
4762 DisplayBothClocks();
4766 /* Display opponents and material strengths */
4767 if (gameInfo.variant != VariantBughouse &&
4768 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4769 if (tinyLayout || smallLayout) {
4770 if(gameInfo.variant == VariantNormal)
4771 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4772 gameInfo.white, white_stren, gameInfo.black, black_stren,
4773 basetime, increment);
4775 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4776 gameInfo.white, white_stren, gameInfo.black, black_stren,
4777 basetime, increment, (int) gameInfo.variant);
4779 if(gameInfo.variant == VariantNormal)
4780 snprintf(str, MSG_SIZ, _("%s (%d) vs. %s (%d) {%d %d}"),
4781 gameInfo.white, white_stren, gameInfo.black, black_stren,
4782 basetime, increment);
4784 snprintf(str, MSG_SIZ, _("%s (%d) vs. %s (%d) {%d %d %s}"),
4785 gameInfo.white, white_stren, gameInfo.black, black_stren,
4786 basetime, increment, VariantName(gameInfo.variant));
4789 if (appData.debugMode) {
4790 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4795 /* Display the board */
4796 if (!pausing && !appData.noGUI) {
4798 if (appData.premove)
4800 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4801 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4802 ClearPremoveHighlights();
4804 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4805 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4806 DrawPosition(j, boards[currentMove]);
4808 DisplayMove(moveNum - 1);
4809 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4810 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4811 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4812 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4816 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4818 if(bookHit) { // [HGM] book: simulate book reply
4819 static char bookMove[MSG_SIZ]; // a bit generous?
4821 programStats.nodes = programStats.depth = programStats.time =
4822 programStats.score = programStats.got_only_move = 0;
4823 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4825 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4826 strcat(bookMove, bookHit);
4827 HandleMachineMove(bookMove, &first);
4836 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4837 ics_getting_history = H_REQUESTED;
4838 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4844 AnalysisPeriodicEvent(force)
4847 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4848 && !force) || !appData.periodicUpdates)
4851 /* Send . command to Crafty to collect stats */
4852 SendToProgram(".\n", &first);
4854 /* Don't send another until we get a response (this makes
4855 us stop sending to old Crafty's which don't understand
4856 the "." command (sending illegal cmds resets node count & time,
4857 which looks bad)) */
4858 programStats.ok_to_send = 0;
4861 void ics_update_width(new_width)
4864 ics_printf("set width %d\n", new_width);
4868 SendMoveToProgram(moveNum, cps)
4870 ChessProgramState *cps;
4874 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4875 // null move in variant where engine does not understand it (for analysis purposes)
4876 SendBoard(cps, moveNum + 1); // send position after move in stead.
4879 if (cps->useUsermove) {
4880 SendToProgram("usermove ", cps);
4884 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4885 int len = space - parseList[moveNum];
4886 memcpy(buf, parseList[moveNum], len);
4888 buf[len] = NULLCHAR;
4890 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4892 SendToProgram(buf, cps);
4894 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4895 AlphaRank(moveList[moveNum], 4);
4896 SendToProgram(moveList[moveNum], cps);
4897 AlphaRank(moveList[moveNum], 4); // and back
4899 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4900 * the engine. It would be nice to have a better way to identify castle
4902 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4903 && cps->useOOCastle) {
4904 int fromX = moveList[moveNum][0] - AAA;
4905 int fromY = moveList[moveNum][1] - ONE;
4906 int toX = moveList[moveNum][2] - AAA;
4907 int toY = moveList[moveNum][3] - ONE;
4908 if((boards[moveNum][fromY][fromX] == WhiteKing
4909 && boards[moveNum][toY][toX] == WhiteRook)
4910 || (boards[moveNum][fromY][fromX] == BlackKing
4911 && boards[moveNum][toY][toX] == BlackRook)) {
4912 if(toX > fromX) SendToProgram("O-O\n", cps);
4913 else SendToProgram("O-O-O\n", cps);
4915 else SendToProgram(moveList[moveNum], cps);
4917 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4918 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4919 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4920 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4921 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4923 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4924 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4925 SendToProgram(buf, cps);
4927 else SendToProgram(moveList[moveNum], cps);
4928 /* End of additions by Tord */
4931 /* [HGM] setting up the opening has brought engine in force mode! */
4932 /* Send 'go' if we are in a mode where machine should play. */
4933 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4934 (gameMode == TwoMachinesPlay ||
4936 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4938 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4939 SendToProgram("go\n", cps);
4940 if (appData.debugMode) {
4941 fprintf(debugFP, "(extra)\n");
4944 setboardSpoiledMachineBlack = 0;
4948 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4950 int fromX, fromY, toX, toY;
4953 char user_move[MSG_SIZ];
4956 if(gameInfo.variant == VariantSChess && promoChar) {
4957 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4958 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4959 } else suffix[0] = NULLCHAR;
4963 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4964 (int)moveType, fromX, fromY, toX, toY);
4965 DisplayError(user_move + strlen("say "), 0);
4967 case WhiteKingSideCastle:
4968 case BlackKingSideCastle:
4969 case WhiteQueenSideCastleWild:
4970 case BlackQueenSideCastleWild:
4972 case WhiteHSideCastleFR:
4973 case BlackHSideCastleFR:
4975 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4977 case WhiteQueenSideCastle:
4978 case BlackQueenSideCastle:
4979 case WhiteKingSideCastleWild:
4980 case BlackKingSideCastleWild:
4982 case WhiteASideCastleFR:
4983 case BlackASideCastleFR:
4985 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
4987 case WhiteNonPromotion:
4988 case BlackNonPromotion:
4989 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4991 case WhitePromotion:
4992 case BlackPromotion:
4993 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4994 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4995 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4996 PieceToChar(WhiteFerz));
4997 else if(gameInfo.variant == VariantGreat)
4998 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4999 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5000 PieceToChar(WhiteMan));
5002 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5003 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5009 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5010 ToUpper(PieceToChar((ChessSquare) fromX)),
5011 AAA + toX, ONE + toY);
5013 case IllegalMove: /* could be a variant we don't quite understand */
5014 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5016 case WhiteCapturesEnPassant:
5017 case BlackCapturesEnPassant:
5018 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5019 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5022 SendToICS(user_move);
5023 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5024 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5029 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5030 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5031 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5032 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5033 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5036 if(gameMode != IcsExamining) { // is this ever not the case?
5037 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5039 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5040 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5041 } else { // on FICS we must first go to general examine mode
5042 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5044 if(gameInfo.variant != VariantNormal) {
5045 // try figure out wild number, as xboard names are not always valid on ICS
5046 for(i=1; i<=36; i++) {
5047 snprintf(buf, MSG_SIZ, "wild/%d", i);
5048 if(StringToVariant(buf) == gameInfo.variant) break;
5050 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5051 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5052 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5053 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5054 SendToICS(ics_prefix);
5056 if(startedFromSetupPosition || backwardMostMove != 0) {
5057 fen = PositionToFEN(backwardMostMove, NULL);
5058 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5059 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5061 } else { // FICS: everything has to set by separate bsetup commands
5062 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5063 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5065 if(!WhiteOnMove(backwardMostMove)) {
5066 SendToICS("bsetup tomove black\n");
5068 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5069 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5071 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5072 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5074 i = boards[backwardMostMove][EP_STATUS];
5075 if(i >= 0) { // set e.p.
5076 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5082 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5083 SendToICS("bsetup done\n"); // switch to normal examining.
5085 for(i = backwardMostMove; i<last; i++) {
5087 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5090 SendToICS(ics_prefix);
5091 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5095 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5100 if (rf == DROP_RANK) {
5101 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5102 sprintf(move, "%c@%c%c\n",
5103 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5105 if (promoChar == 'x' || promoChar == NULLCHAR) {
5106 sprintf(move, "%c%c%c%c\n",
5107 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5109 sprintf(move, "%c%c%c%c%c\n",
5110 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5116 ProcessICSInitScript(f)
5121 while (fgets(buf, MSG_SIZ, f)) {
5122 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5129 static int lastX, lastY, selectFlag, dragging;
5134 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5135 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5136 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5137 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5138 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5139 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5142 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5143 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5144 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5145 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5146 if(!step) step = -1;
5147 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5148 appData.testLegality && (promoSweep == king ||
5149 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5150 ChangeDragPiece(promoSweep);
5153 int PromoScroll(int x, int y)
5157 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5158 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5159 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5160 if(!step) return FALSE;
5161 lastX = x; lastY = y;
5162 if((promoSweep < BlackPawn) == flipView) step = -step;
5163 if(step > 0) selectFlag = 1;
5164 if(!selectFlag) Sweep(step);
5171 ChessSquare piece = boards[currentMove][toY][toX];
5174 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5175 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5176 if(!step) step = -1;
5177 } while(PieceToChar(pieceSweep) == '.');
5178 boards[currentMove][toY][toX] = pieceSweep;
5179 DrawPosition(FALSE, boards[currentMove]);
5180 boards[currentMove][toY][toX] = piece;
5182 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5184 AlphaRank(char *move, int n)
5186 // char *p = move, c; int x, y;
5188 if (appData.debugMode) {
5189 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5193 move[2]>='0' && move[2]<='9' &&
5194 move[3]>='a' && move[3]<='x' ) {
5196 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5197 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5199 if(move[0]>='0' && move[0]<='9' &&
5200 move[1]>='a' && move[1]<='x' &&
5201 move[2]>='0' && move[2]<='9' &&
5202 move[3]>='a' && move[3]<='x' ) {
5203 /* input move, Shogi -> normal */
5204 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5205 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5206 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5207 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5210 move[3]>='0' && move[3]<='9' &&
5211 move[2]>='a' && move[2]<='x' ) {
5213 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5214 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5217 move[0]>='a' && move[0]<='x' &&
5218 move[3]>='0' && move[3]<='9' &&
5219 move[2]>='a' && move[2]<='x' ) {
5220 /* output move, normal -> Shogi */
5221 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5222 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5223 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5224 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5225 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5227 if (appData.debugMode) {
5228 fprintf(debugFP, " out = '%s'\n", move);
5232 char yy_textstr[8000];
5234 /* Parser for moves from gnuchess, ICS, or user typein box */
5236 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5239 ChessMove *moveType;
5240 int *fromX, *fromY, *toX, *toY;
5243 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5245 switch (*moveType) {
5246 case WhitePromotion:
5247 case BlackPromotion:
5248 case WhiteNonPromotion:
5249 case BlackNonPromotion:
5251 case WhiteCapturesEnPassant:
5252 case BlackCapturesEnPassant:
5253 case WhiteKingSideCastle:
5254 case WhiteQueenSideCastle:
5255 case BlackKingSideCastle:
5256 case BlackQueenSideCastle:
5257 case WhiteKingSideCastleWild:
5258 case WhiteQueenSideCastleWild:
5259 case BlackKingSideCastleWild:
5260 case BlackQueenSideCastleWild:
5261 /* Code added by Tord: */
5262 case WhiteHSideCastleFR:
5263 case WhiteASideCastleFR:
5264 case BlackHSideCastleFR:
5265 case BlackASideCastleFR:
5266 /* End of code added by Tord */
5267 case IllegalMove: /* bug or odd chess variant */
5268 *fromX = currentMoveString[0] - AAA;
5269 *fromY = currentMoveString[1] - ONE;
5270 *toX = currentMoveString[2] - AAA;
5271 *toY = currentMoveString[3] - ONE;
5272 *promoChar = currentMoveString[4];
5273 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5274 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5275 if (appData.debugMode) {
5276 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5278 *fromX = *fromY = *toX = *toY = 0;
5281 if (appData.testLegality) {
5282 return (*moveType != IllegalMove);
5284 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5285 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5290 *fromX = *moveType == WhiteDrop ?
5291 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5292 (int) CharToPiece(ToLower(currentMoveString[0]));
5294 *toX = currentMoveString[2] - AAA;
5295 *toY = currentMoveString[3] - ONE;
5296 *promoChar = NULLCHAR;
5300 case ImpossibleMove:
5310 if (appData.debugMode) {
5311 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5314 *fromX = *fromY = *toX = *toY = 0;
5315 *promoChar = NULLCHAR;
5320 Boolean pushed = FALSE;
5321 char *lastParseAttempt;
5324 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5325 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5326 int fromX, fromY, toX, toY; char promoChar;
5331 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5332 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5335 endPV = forwardMostMove;
5337 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5338 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5339 lastParseAttempt = pv;
5340 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5341 if(appData.debugMode){
5342 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);
5344 if(!valid && nr == 0 &&
5345 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5346 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5347 // Hande case where played move is different from leading PV move
5348 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5349 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5350 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5351 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5352 endPV += 2; // if position different, keep this
5353 moveList[endPV-1][0] = fromX + AAA;
5354 moveList[endPV-1][1] = fromY + ONE;
5355 moveList[endPV-1][2] = toX + AAA;
5356 moveList[endPV-1][3] = toY + ONE;
5357 parseList[endPV-1][0] = NULLCHAR;
5358 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5361 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5362 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5363 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5364 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5365 valid++; // allow comments in PV
5369 if(endPV+1 > framePtr) break; // no space, truncate
5372 CopyBoard(boards[endPV], boards[endPV-1]);
5373 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5374 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5375 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5376 CoordsToAlgebraic(boards[endPV - 1],
5377 PosFlags(endPV - 1),
5378 fromY, fromX, toY, toX, promoChar,
5379 parseList[endPV - 1]);
5381 if(atEnd == 2) return; // used hidden, for PV conversion
5382 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5383 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5384 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5385 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5386 DrawPosition(TRUE, boards[currentMove]);
5390 MultiPV(ChessProgramState *cps)
5391 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5393 for(i=0; i<cps->nrOptions; i++)
5394 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5400 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5402 int startPV, multi, lineStart, origIndex = index;
5403 char *p, buf2[MSG_SIZ];
5405 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5406 lastX = x; lastY = y;
5407 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5408 lineStart = startPV = index;
5409 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5410 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5412 do{ while(buf[index] && buf[index] != '\n') index++;
5413 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5415 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5416 int n = first.option[multi].value;
5417 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5418 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5419 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5420 first.option[multi].value = n;
5424 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5425 *start = startPV; *end = index-1;
5432 static char buf[10*MSG_SIZ];
5433 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5435 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5436 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5437 for(i = forwardMostMove; i<endPV; i++){
5438 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5439 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5442 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5443 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5449 LoadPV(int x, int y)
5450 { // called on right mouse click to load PV
5451 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5452 lastX = x; lastY = y;
5453 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5460 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5461 if(endPV < 0) return;
5463 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5464 Boolean saveAnimate = appData.animate;
5466 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5467 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5468 } else storedGames--; // abandon shelved tail of original game
5471 forwardMostMove = currentMove;
5472 currentMove = oldFMM;
5473 appData.animate = FALSE;
5474 ToNrEvent(forwardMostMove);
5475 appData.animate = saveAnimate;
5477 currentMove = forwardMostMove;
5478 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5479 ClearPremoveHighlights();
5480 DrawPosition(TRUE, boards[currentMove]);
5484 MovePV(int x, int y, int h)
5485 { // step through PV based on mouse coordinates (called on mouse move)
5486 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5488 // we must somehow check if right button is still down (might be released off board!)
5489 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5490 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5491 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5493 lastX = x; lastY = y;
5495 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5496 if(endPV < 0) return;
5497 if(y < margin) step = 1; else
5498 if(y > h - margin) step = -1;
5499 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5500 currentMove += step;
5501 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5502 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5503 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5504 DrawPosition(FALSE, boards[currentMove]);
5508 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5509 // All positions will have equal probability, but the current method will not provide a unique
5510 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5516 int piecesLeft[(int)BlackPawn];
5517 int seed, nrOfShuffles;
5519 void GetPositionNumber()
5520 { // sets global variable seed
5523 seed = appData.defaultFrcPosition;
5524 if(seed < 0) { // randomize based on time for negative FRC position numbers
5525 for(i=0; i<50; i++) seed += random();
5526 seed = random() ^ random() >> 8 ^ random() << 8;
5527 if(seed<0) seed = -seed;
5531 int put(Board board, int pieceType, int rank, int n, int shade)
5532 // put the piece on the (n-1)-th empty squares of the given shade
5536 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5537 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5538 board[rank][i] = (ChessSquare) pieceType;
5539 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5541 piecesLeft[pieceType]--;
5549 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5550 // calculate where the next piece goes, (any empty square), and put it there
5554 i = seed % squaresLeft[shade];
5555 nrOfShuffles *= squaresLeft[shade];
5556 seed /= squaresLeft[shade];
5557 put(board, pieceType, rank, i, shade);
5560 void AddTwoPieces(Board board, int pieceType, int rank)
5561 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5563 int i, n=squaresLeft[ANY], j=n-1, k;
5565 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5566 i = seed % k; // pick one
5569 while(i >= j) i -= j--;
5570 j = n - 1 - j; i += j;
5571 put(board, pieceType, rank, j, ANY);
5572 put(board, pieceType, rank, i, ANY);
5575 void SetUpShuffle(Board board, int number)
5579 GetPositionNumber(); nrOfShuffles = 1;
5581 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5582 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5583 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5585 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5587 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5588 p = (int) board[0][i];
5589 if(p < (int) BlackPawn) piecesLeft[p] ++;
5590 board[0][i] = EmptySquare;
5593 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5594 // shuffles restricted to allow normal castling put KRR first
5595 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5596 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5597 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5598 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5599 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5600 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5601 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5602 put(board, WhiteRook, 0, 0, ANY);
5603 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5606 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5607 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5608 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5609 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5610 while(piecesLeft[p] >= 2) {
5611 AddOnePiece(board, p, 0, LITE);
5612 AddOnePiece(board, p, 0, DARK);
5614 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5617 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5618 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5619 // but we leave King and Rooks for last, to possibly obey FRC restriction
5620 if(p == (int)WhiteRook) continue;
5621 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5622 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5625 // now everything is placed, except perhaps King (Unicorn) and Rooks
5627 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5628 // Last King gets castling rights
5629 while(piecesLeft[(int)WhiteUnicorn]) {
5630 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5631 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5634 while(piecesLeft[(int)WhiteKing]) {
5635 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5636 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5641 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5642 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5645 // Only Rooks can be left; simply place them all
5646 while(piecesLeft[(int)WhiteRook]) {
5647 i = put(board, WhiteRook, 0, 0, ANY);
5648 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5651 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5653 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5656 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5657 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5660 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5663 int SetCharTable( char *table, const char * map )
5664 /* [HGM] moved here from winboard.c because of its general usefulness */
5665 /* Basically a safe strcpy that uses the last character as King */
5667 int result = FALSE; int NrPieces;
5669 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5670 && NrPieces >= 12 && !(NrPieces&1)) {
5671 int i; /* [HGM] Accept even length from 12 to 34 */
5673 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5674 for( i=0; i<NrPieces/2-1; i++ ) {
5676 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5678 table[(int) WhiteKing] = map[NrPieces/2-1];
5679 table[(int) BlackKing] = map[NrPieces-1];
5687 void Prelude(Board board)
5688 { // [HGM] superchess: random selection of exo-pieces
5689 int i, j, k; ChessSquare p;
5690 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5692 GetPositionNumber(); // use FRC position number
5694 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5695 SetCharTable(pieceToChar, appData.pieceToCharTable);
5696 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5697 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5700 j = seed%4; seed /= 4;
5701 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5702 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5703 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5704 j = seed%3 + (seed%3 >= j); seed /= 3;
5705 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5706 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5707 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5708 j = seed%3; seed /= 3;
5709 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5710 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5711 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5712 j = seed%2 + (seed%2 >= j); seed /= 2;
5713 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5714 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5715 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5716 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5717 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5718 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5719 put(board, exoPieces[0], 0, 0, ANY);
5720 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5724 InitPosition(redraw)
5727 ChessSquare (* pieces)[BOARD_FILES];
5728 int i, j, pawnRow, overrule,
5729 oldx = gameInfo.boardWidth,
5730 oldy = gameInfo.boardHeight,
5731 oldh = gameInfo.holdingsWidth;
5734 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5736 /* [AS] Initialize pv info list [HGM] and game status */
5738 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5739 pvInfoList[i].depth = 0;
5740 boards[i][EP_STATUS] = EP_NONE;
5741 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5744 initialRulePlies = 0; /* 50-move counter start */
5746 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5747 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5751 /* [HGM] logic here is completely changed. In stead of full positions */
5752 /* the initialized data only consist of the two backranks. The switch */
5753 /* selects which one we will use, which is than copied to the Board */
5754 /* initialPosition, which for the rest is initialized by Pawns and */
5755 /* empty squares. This initial position is then copied to boards[0], */
5756 /* possibly after shuffling, so that it remains available. */
5758 gameInfo.holdingsWidth = 0; /* default board sizes */
5759 gameInfo.boardWidth = 8;
5760 gameInfo.boardHeight = 8;
5761 gameInfo.holdingsSize = 0;
5762 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5763 for(i=0; i<BOARD_FILES-2; i++)
5764 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5765 initialPosition[EP_STATUS] = EP_NONE;
5766 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5767 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5768 SetCharTable(pieceNickName, appData.pieceNickNames);
5769 else SetCharTable(pieceNickName, "............");
5772 switch (gameInfo.variant) {
5773 case VariantFischeRandom:
5774 shuffleOpenings = TRUE;
5777 case VariantShatranj:
5778 pieces = ShatranjArray;
5779 nrCastlingRights = 0;
5780 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5783 pieces = makrukArray;
5784 nrCastlingRights = 0;
5785 startedFromSetupPosition = TRUE;
5786 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5788 case VariantTwoKings:
5789 pieces = twoKingsArray;
5792 pieces = GrandArray;
5793 nrCastlingRights = 0;
5794 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5795 gameInfo.boardWidth = 10;
5796 gameInfo.boardHeight = 10;
5797 gameInfo.holdingsSize = 7;
5799 case VariantCapaRandom:
5800 shuffleOpenings = TRUE;
5801 case VariantCapablanca:
5802 pieces = CapablancaArray;
5803 gameInfo.boardWidth = 10;
5804 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5807 pieces = GothicArray;
5808 gameInfo.boardWidth = 10;
5809 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5812 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5813 gameInfo.holdingsSize = 7;
5816 pieces = JanusArray;
5817 gameInfo.boardWidth = 10;
5818 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5819 nrCastlingRights = 6;
5820 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5821 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5822 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5823 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5824 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5825 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5828 pieces = FalconArray;
5829 gameInfo.boardWidth = 10;
5830 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5832 case VariantXiangqi:
5833 pieces = XiangqiArray;
5834 gameInfo.boardWidth = 9;
5835 gameInfo.boardHeight = 10;
5836 nrCastlingRights = 0;
5837 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5840 pieces = ShogiArray;
5841 gameInfo.boardWidth = 9;
5842 gameInfo.boardHeight = 9;
5843 gameInfo.holdingsSize = 7;
5844 nrCastlingRights = 0;
5845 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5847 case VariantCourier:
5848 pieces = CourierArray;
5849 gameInfo.boardWidth = 12;
5850 nrCastlingRights = 0;
5851 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5853 case VariantKnightmate:
5854 pieces = KnightmateArray;
5855 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5857 case VariantSpartan:
5858 pieces = SpartanArray;
5859 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5862 pieces = fairyArray;
5863 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5866 pieces = GreatArray;
5867 gameInfo.boardWidth = 10;
5868 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5869 gameInfo.holdingsSize = 8;
5873 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5874 gameInfo.holdingsSize = 8;
5875 startedFromSetupPosition = TRUE;
5877 case VariantCrazyhouse:
5878 case VariantBughouse:
5880 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5881 gameInfo.holdingsSize = 5;
5883 case VariantWildCastle:
5885 /* !!?shuffle with kings guaranteed to be on d or e file */
5886 shuffleOpenings = 1;
5888 case VariantNoCastle:
5890 nrCastlingRights = 0;
5891 /* !!?unconstrained back-rank shuffle */
5892 shuffleOpenings = 1;
5897 if(appData.NrFiles >= 0) {
5898 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5899 gameInfo.boardWidth = appData.NrFiles;
5901 if(appData.NrRanks >= 0) {
5902 gameInfo.boardHeight = appData.NrRanks;
5904 if(appData.holdingsSize >= 0) {
5905 i = appData.holdingsSize;
5906 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5907 gameInfo.holdingsSize = i;
5909 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5910 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5911 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5913 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5914 if(pawnRow < 1) pawnRow = 1;
5915 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5917 /* User pieceToChar list overrules defaults */
5918 if(appData.pieceToCharTable != NULL)
5919 SetCharTable(pieceToChar, appData.pieceToCharTable);
5921 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5923 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5924 s = (ChessSquare) 0; /* account holding counts in guard band */
5925 for( i=0; i<BOARD_HEIGHT; i++ )
5926 initialPosition[i][j] = s;
5928 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5929 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5930 initialPosition[pawnRow][j] = WhitePawn;
5931 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5932 if(gameInfo.variant == VariantXiangqi) {
5934 initialPosition[pawnRow][j] =
5935 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5936 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5937 initialPosition[2][j] = WhiteCannon;
5938 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5942 if(gameInfo.variant == VariantGrand) {
5943 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5944 initialPosition[0][j] = WhiteRook;
5945 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5948 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5950 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5953 initialPosition[1][j] = WhiteBishop;
5954 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5956 initialPosition[1][j] = WhiteRook;
5957 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5960 if( nrCastlingRights == -1) {
5961 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5962 /* This sets default castling rights from none to normal corners */
5963 /* Variants with other castling rights must set them themselves above */
5964 nrCastlingRights = 6;
5966 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5967 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5968 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5969 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5970 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5971 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5974 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5975 if(gameInfo.variant == VariantGreat) { // promotion commoners
5976 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5977 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5978 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5979 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5981 if( gameInfo.variant == VariantSChess ) {
5982 initialPosition[1][0] = BlackMarshall;
5983 initialPosition[2][0] = BlackAngel;
5984 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5985 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5986 initialPosition[1][1] = initialPosition[2][1] =
5987 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5989 if (appData.debugMode) {
5990 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5992 if(shuffleOpenings) {
5993 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5994 startedFromSetupPosition = TRUE;
5996 if(startedFromPositionFile) {
5997 /* [HGM] loadPos: use PositionFile for every new game */
5998 CopyBoard(initialPosition, filePosition);
5999 for(i=0; i<nrCastlingRights; i++)
6000 initialRights[i] = filePosition[CASTLING][i];
6001 startedFromSetupPosition = TRUE;
6004 CopyBoard(boards[0], initialPosition);
6006 if(oldx != gameInfo.boardWidth ||
6007 oldy != gameInfo.boardHeight ||
6008 oldv != gameInfo.variant ||
6009 oldh != gameInfo.holdingsWidth
6011 InitDrawingSizes(-2 ,0);
6013 oldv = gameInfo.variant;
6015 DrawPosition(TRUE, boards[currentMove]);
6019 SendBoard(cps, moveNum)
6020 ChessProgramState *cps;
6023 char message[MSG_SIZ];
6025 if (cps->useSetboard) {
6026 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6027 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6028 SendToProgram(message, cps);
6033 int i, j, left=0, right=BOARD_WIDTH;
6034 /* Kludge to set black to move, avoiding the troublesome and now
6035 * deprecated "black" command.
6037 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6038 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6040 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6042 SendToProgram("edit\n", cps);
6043 SendToProgram("#\n", cps);
6044 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6045 bp = &boards[moveNum][i][left];
6046 for (j = left; j < right; j++, bp++) {
6047 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6048 if ((int) *bp < (int) BlackPawn) {
6049 if(j == BOARD_RGHT+1)
6050 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6051 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6052 if(message[0] == '+' || message[0] == '~') {
6053 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6054 PieceToChar((ChessSquare)(DEMOTED *bp)),
6057 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6058 message[1] = BOARD_RGHT - 1 - j + '1';
6059 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6061 SendToProgram(message, cps);
6066 SendToProgram("c\n", cps);
6067 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6068 bp = &boards[moveNum][i][left];
6069 for (j = left; j < right; j++, bp++) {
6070 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6071 if (((int) *bp != (int) EmptySquare)
6072 && ((int) *bp >= (int) BlackPawn)) {
6073 if(j == BOARD_LEFT-2)
6074 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6075 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6077 if(message[0] == '+' || message[0] == '~') {
6078 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6079 PieceToChar((ChessSquare)(DEMOTED *bp)),
6082 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6083 message[1] = BOARD_RGHT - 1 - j + '1';
6084 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6086 SendToProgram(message, cps);
6091 SendToProgram(".\n", cps);
6093 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6097 DefaultPromoChoice(int white)
6100 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6101 result = WhiteFerz; // no choice
6102 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6103 result= WhiteKing; // in Suicide Q is the last thing we want
6104 else if(gameInfo.variant == VariantSpartan)
6105 result = white ? WhiteQueen : WhiteAngel;
6106 else result = WhiteQueen;
6107 if(!white) result = WHITE_TO_BLACK result;
6111 static int autoQueen; // [HGM] oneclick
6114 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6116 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6117 /* [HGM] add Shogi promotions */
6118 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6123 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6124 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6126 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6127 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6130 piece = boards[currentMove][fromY][fromX];
6131 if(gameInfo.variant == VariantShogi) {
6132 promotionZoneSize = BOARD_HEIGHT/3;
6133 highestPromotingPiece = (int)WhiteFerz;
6134 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6135 promotionZoneSize = 3;
6138 // Treat Lance as Pawn when it is not representing Amazon
6139 if(gameInfo.variant != VariantSuper) {
6140 if(piece == WhiteLance) piece = WhitePawn; else
6141 if(piece == BlackLance) piece = BlackPawn;
6144 // next weed out all moves that do not touch the promotion zone at all
6145 if((int)piece >= BlackPawn) {
6146 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6148 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6150 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6151 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6154 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6156 // weed out mandatory Shogi promotions
6157 if(gameInfo.variant == VariantShogi) {
6158 if(piece >= BlackPawn) {
6159 if(toY == 0 && piece == BlackPawn ||
6160 toY == 0 && piece == BlackQueen ||
6161 toY <= 1 && piece == BlackKnight) {
6166 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6167 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6168 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6175 // weed out obviously illegal Pawn moves
6176 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6177 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6178 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6179 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6180 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6181 // note we are not allowed to test for valid (non-)capture, due to premove
6184 // we either have a choice what to promote to, or (in Shogi) whether to promote
6185 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6186 *promoChoice = PieceToChar(BlackFerz); // no choice
6189 // no sense asking what we must promote to if it is going to explode...
6190 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6191 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6194 // give caller the default choice even if we will not make it
6195 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6196 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6197 if( sweepSelect && gameInfo.variant != VariantGreat
6198 && gameInfo.variant != VariantGrand
6199 && gameInfo.variant != VariantSuper) return FALSE;
6200 if(autoQueen) return FALSE; // predetermined
6202 // suppress promotion popup on illegal moves that are not premoves
6203 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6204 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6205 if(appData.testLegality && !premove) {
6206 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6207 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6208 if(moveType != WhitePromotion && moveType != BlackPromotion)
6216 InPalace(row, column)
6218 { /* [HGM] for Xiangqi */
6219 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6220 column < (BOARD_WIDTH + 4)/2 &&
6221 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6226 PieceForSquare (x, y)
6230 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6233 return boards[currentMove][y][x];
6237 OKToStartUserMove(x, y)
6240 ChessSquare from_piece;
6243 if (matchMode) return FALSE;
6244 if (gameMode == EditPosition) return TRUE;
6246 if (x >= 0 && y >= 0)
6247 from_piece = boards[currentMove][y][x];
6249 from_piece = EmptySquare;
6251 if (from_piece == EmptySquare) return FALSE;
6253 white_piece = (int)from_piece >= (int)WhitePawn &&
6254 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6258 case TwoMachinesPlay:
6266 case MachinePlaysWhite:
6267 case IcsPlayingBlack:
6268 if (appData.zippyPlay) return FALSE;
6270 DisplayMoveError(_("You are playing Black"));
6275 case MachinePlaysBlack:
6276 case IcsPlayingWhite:
6277 if (appData.zippyPlay) return FALSE;
6279 DisplayMoveError(_("You are playing White"));
6284 case PlayFromGameFile:
6285 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6287 if (!white_piece && WhiteOnMove(currentMove)) {
6288 DisplayMoveError(_("It is White's turn"));
6291 if (white_piece && !WhiteOnMove(currentMove)) {
6292 DisplayMoveError(_("It is Black's turn"));
6295 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6296 /* Editing correspondence game history */
6297 /* Could disallow this or prompt for confirmation */
6302 case BeginningOfGame:
6303 if (appData.icsActive) return FALSE;
6304 if (!appData.noChessProgram) {
6306 DisplayMoveError(_("You are playing White"));
6313 if (!white_piece && WhiteOnMove(currentMove)) {
6314 DisplayMoveError(_("It is White's turn"));
6317 if (white_piece && !WhiteOnMove(currentMove)) {
6318 DisplayMoveError(_("It is Black's turn"));
6327 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6328 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6329 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6330 && gameMode != AnalyzeFile && gameMode != Training) {
6331 DisplayMoveError(_("Displayed position is not current"));
6338 OnlyMove(int *x, int *y, Boolean captures) {
6339 DisambiguateClosure cl;
6340 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6342 case MachinePlaysBlack:
6343 case IcsPlayingWhite:
6344 case BeginningOfGame:
6345 if(!WhiteOnMove(currentMove)) return FALSE;
6347 case MachinePlaysWhite:
6348 case IcsPlayingBlack:
6349 if(WhiteOnMove(currentMove)) return FALSE;
6356 cl.pieceIn = EmptySquare;
6361 cl.promoCharIn = NULLCHAR;
6362 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6363 if( cl.kind == NormalMove ||
6364 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6365 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6366 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6373 if(cl.kind != ImpossibleMove) return FALSE;
6374 cl.pieceIn = EmptySquare;
6379 cl.promoCharIn = NULLCHAR;
6380 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6381 if( cl.kind == NormalMove ||
6382 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6383 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6384 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6389 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6395 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6396 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6397 int lastLoadGameUseList = FALSE;
6398 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6399 ChessMove lastLoadGameStart = EndOfFile;
6402 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6403 int fromX, fromY, toX, toY;
6407 ChessSquare pdown, pup;
6409 /* Check if the user is playing in turn. This is complicated because we
6410 let the user "pick up" a piece before it is his turn. So the piece he
6411 tried to pick up may have been captured by the time he puts it down!
6412 Therefore we use the color the user is supposed to be playing in this
6413 test, not the color of the piece that is currently on the starting
6414 square---except in EditGame mode, where the user is playing both
6415 sides; fortunately there the capture race can't happen. (It can
6416 now happen in IcsExamining mode, but that's just too bad. The user
6417 will get a somewhat confusing message in that case.)
6422 case TwoMachinesPlay:
6426 /* We switched into a game mode where moves are not accepted,
6427 perhaps while the mouse button was down. */
6430 case MachinePlaysWhite:
6431 /* User is moving for Black */
6432 if (WhiteOnMove(currentMove)) {
6433 DisplayMoveError(_("It is White's turn"));
6438 case MachinePlaysBlack:
6439 /* User is moving for White */
6440 if (!WhiteOnMove(currentMove)) {
6441 DisplayMoveError(_("It is Black's turn"));
6446 case PlayFromGameFile:
6447 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6450 case BeginningOfGame:
6453 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6454 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6455 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6456 /* User is moving for Black */
6457 if (WhiteOnMove(currentMove)) {
6458 DisplayMoveError(_("It is White's turn"));
6462 /* User is moving for White */
6463 if (!WhiteOnMove(currentMove)) {
6464 DisplayMoveError(_("It is Black's turn"));
6470 case IcsPlayingBlack:
6471 /* User is moving for Black */
6472 if (WhiteOnMove(currentMove)) {
6473 if (!appData.premove) {
6474 DisplayMoveError(_("It is White's turn"));
6475 } else if (toX >= 0 && toY >= 0) {
6478 premoveFromX = fromX;
6479 premoveFromY = fromY;
6480 premovePromoChar = promoChar;
6482 if (appData.debugMode)
6483 fprintf(debugFP, "Got premove: fromX %d,"
6484 "fromY %d, toX %d, toY %d\n",
6485 fromX, fromY, toX, toY);
6491 case IcsPlayingWhite:
6492 /* User is moving for White */
6493 if (!WhiteOnMove(currentMove)) {
6494 if (!appData.premove) {
6495 DisplayMoveError(_("It is Black's turn"));
6496 } else if (toX >= 0 && toY >= 0) {
6499 premoveFromX = fromX;
6500 premoveFromY = fromY;
6501 premovePromoChar = promoChar;
6503 if (appData.debugMode)
6504 fprintf(debugFP, "Got premove: fromX %d,"
6505 "fromY %d, toX %d, toY %d\n",
6506 fromX, fromY, toX, toY);
6516 /* EditPosition, empty square, or different color piece;
6517 click-click move is possible */
6518 if (toX == -2 || toY == -2) {
6519 boards[0][fromY][fromX] = EmptySquare;
6520 DrawPosition(FALSE, boards[currentMove]);
6522 } else if (toX >= 0 && toY >= 0) {
6523 boards[0][toY][toX] = boards[0][fromY][fromX];
6524 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6525 if(boards[0][fromY][0] != EmptySquare) {
6526 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6527 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6530 if(fromX == BOARD_RGHT+1) {
6531 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6532 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6533 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6536 boards[0][fromY][fromX] = EmptySquare;
6537 DrawPosition(FALSE, boards[currentMove]);
6543 if(toX < 0 || toY < 0) return;
6544 pdown = boards[currentMove][fromY][fromX];
6545 pup = boards[currentMove][toY][toX];
6547 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6548 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6549 if( pup != EmptySquare ) return;
6550 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6551 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6552 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6553 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6554 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6555 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6556 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6560 /* [HGM] always test for legality, to get promotion info */
6561 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6562 fromY, fromX, toY, toX, promoChar);
6564 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6566 /* [HGM] but possibly ignore an IllegalMove result */
6567 if (appData.testLegality) {
6568 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6569 DisplayMoveError(_("Illegal move"));
6574 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6577 /* Common tail of UserMoveEvent and DropMenuEvent */
6579 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6581 int fromX, fromY, toX, toY;
6582 /*char*/int promoChar;
6586 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6587 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6588 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6589 if(WhiteOnMove(currentMove)) {
6590 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6592 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6596 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6597 move type in caller when we know the move is a legal promotion */
6598 if(moveType == NormalMove && promoChar)
6599 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6601 /* [HGM] <popupFix> The following if has been moved here from
6602 UserMoveEvent(). Because it seemed to belong here (why not allow
6603 piece drops in training games?), and because it can only be
6604 performed after it is known to what we promote. */
6605 if (gameMode == Training) {
6606 /* compare the move played on the board to the next move in the
6607 * game. If they match, display the move and the opponent's response.
6608 * If they don't match, display an error message.
6612 CopyBoard(testBoard, boards[currentMove]);
6613 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6615 if (CompareBoards(testBoard, boards[currentMove+1])) {
6616 ForwardInner(currentMove+1);
6618 /* Autoplay the opponent's response.
6619 * if appData.animate was TRUE when Training mode was entered,
6620 * the response will be animated.
6622 saveAnimate = appData.animate;
6623 appData.animate = animateTraining;
6624 ForwardInner(currentMove+1);
6625 appData.animate = saveAnimate;
6627 /* check for the end of the game */
6628 if (currentMove >= forwardMostMove) {
6629 gameMode = PlayFromGameFile;
6631 SetTrainingModeOff();
6632 DisplayInformation(_("End of game"));
6635 DisplayError(_("Incorrect move"), 0);
6640 /* Ok, now we know that the move is good, so we can kill
6641 the previous line in Analysis Mode */
6642 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6643 && currentMove < forwardMostMove) {
6644 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6645 else forwardMostMove = currentMove;
6648 /* If we need the chess program but it's dead, restart it */
6649 ResurrectChessProgram();
6651 /* A user move restarts a paused game*/
6655 thinkOutput[0] = NULLCHAR;
6657 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6659 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6660 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6664 if (gameMode == BeginningOfGame) {
6665 if (appData.noChessProgram) {
6666 gameMode = EditGame;
6670 gameMode = MachinePlaysBlack;
6673 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
6675 if (first.sendName) {
6676 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6677 SendToProgram(buf, &first);
6684 /* Relay move to ICS or chess engine */
6685 if (appData.icsActive) {
6686 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6687 gameMode == IcsExamining) {
6688 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6689 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6691 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6693 // also send plain move, in case ICS does not understand atomic claims
6694 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6698 if (first.sendTime && (gameMode == BeginningOfGame ||
6699 gameMode == MachinePlaysWhite ||
6700 gameMode == MachinePlaysBlack)) {
6701 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6703 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6704 // [HGM] book: if program might be playing, let it use book
6705 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6706 first.maybeThinking = TRUE;
6707 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6708 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6709 SendBoard(&first, currentMove+1);
6710 } else SendMoveToProgram(forwardMostMove-1, &first);
6711 if (currentMove == cmailOldMove + 1) {
6712 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6716 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6720 if(appData.testLegality)
6721 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6727 if (WhiteOnMove(currentMove)) {
6728 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6730 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6734 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6739 case MachinePlaysBlack:
6740 case MachinePlaysWhite:
6741 /* disable certain menu options while machine is thinking */
6742 SetMachineThinkingEnables();
6749 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6750 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6752 if(bookHit) { // [HGM] book: simulate book reply
6753 static char bookMove[MSG_SIZ]; // a bit generous?
6755 programStats.nodes = programStats.depth = programStats.time =
6756 programStats.score = programStats.got_only_move = 0;
6757 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6759 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6760 strcat(bookMove, bookHit);
6761 HandleMachineMove(bookMove, &first);
6767 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6774 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6775 Markers *m = (Markers *) closure;
6776 if(rf == fromY && ff == fromX)
6777 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6778 || kind == WhiteCapturesEnPassant
6779 || kind == BlackCapturesEnPassant);
6780 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6784 MarkTargetSquares(int clear)
6787 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6788 !appData.testLegality || gameMode == EditPosition) return;
6790 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6793 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6794 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6795 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6797 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6800 DrawPosition(TRUE, NULL);
6804 Explode(Board board, int fromX, int fromY, int toX, int toY)
6806 if(gameInfo.variant == VariantAtomic &&
6807 (board[toY][toX] != EmptySquare || // capture?
6808 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6809 board[fromY][fromX] == BlackPawn )
6811 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6817 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6819 int CanPromote(ChessSquare piece, int y)
6821 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6822 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6823 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6824 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6825 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6826 gameInfo.variant == VariantMakruk) return FALSE;
6827 return (piece == BlackPawn && y == 1 ||
6828 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6829 piece == BlackLance && y == 1 ||
6830 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6833 void LeftClick(ClickType clickType, int xPix, int yPix)
6836 Boolean saveAnimate;
6837 static int second = 0, promotionChoice = 0, clearFlag = 0;
6838 char promoChoice = NULLCHAR;
6841 if(appData.seekGraph && appData.icsActive && loggedOn &&
6842 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6843 SeekGraphClick(clickType, xPix, yPix, 0);
6847 if (clickType == Press) ErrorPopDown();
6849 x = EventToSquare(xPix, BOARD_WIDTH);
6850 y = EventToSquare(yPix, BOARD_HEIGHT);
6851 if (!flipView && y >= 0) {
6852 y = BOARD_HEIGHT - 1 - y;
6854 if (flipView && x >= 0) {
6855 x = BOARD_WIDTH - 1 - x;
6858 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6859 defaultPromoChoice = promoSweep;
6860 promoSweep = EmptySquare; // terminate sweep
6861 promoDefaultAltered = TRUE;
6862 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6865 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6866 if(clickType == Release) return; // ignore upclick of click-click destination
6867 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6868 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6869 if(gameInfo.holdingsWidth &&
6870 (WhiteOnMove(currentMove)
6871 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6872 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6873 // click in right holdings, for determining promotion piece
6874 ChessSquare p = boards[currentMove][y][x];
6875 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6876 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6877 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6878 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6883 DrawPosition(FALSE, boards[currentMove]);
6887 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6888 if(clickType == Press
6889 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6890 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6891 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6894 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6895 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6897 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6898 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6899 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6900 defaultPromoChoice = DefaultPromoChoice(side);
6903 autoQueen = appData.alwaysPromoteToQueen;
6907 gatingPiece = EmptySquare;
6908 if (clickType != Press) {
6909 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6910 DragPieceEnd(xPix, yPix); dragging = 0;
6911 DrawPosition(FALSE, NULL);
6915 fromX = x; fromY = y; toX = toY = -1;
6916 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6917 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6918 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6920 if (OKToStartUserMove(fromX, fromY)) {
6922 MarkTargetSquares(0);
6923 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6924 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6925 promoSweep = defaultPromoChoice;
6926 selectFlag = 0; lastX = xPix; lastY = yPix;
6927 Sweep(0); // Pawn that is going to promote: preview promotion piece
6928 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6930 if (appData.highlightDragging) {
6931 SetHighlights(fromX, fromY, -1, -1);
6933 } else fromX = fromY = -1;
6939 if (clickType == Press && gameMode != EditPosition) {
6944 // ignore off-board to clicks
6945 if(y < 0 || x < 0) return;
6947 /* Check if clicking again on the same color piece */
6948 fromP = boards[currentMove][fromY][fromX];
6949 toP = boards[currentMove][y][x];
6950 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6951 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6952 WhitePawn <= toP && toP <= WhiteKing &&
6953 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6954 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6955 (BlackPawn <= fromP && fromP <= BlackKing &&
6956 BlackPawn <= toP && toP <= BlackKing &&
6957 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6958 !(fromP == BlackKing && toP == BlackRook && frc))) {
6959 /* Clicked again on same color piece -- changed his mind */
6960 second = (x == fromX && y == fromY);
6961 promoDefaultAltered = FALSE;
6962 MarkTargetSquares(1);
6963 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6964 if (appData.highlightDragging) {
6965 SetHighlights(x, y, -1, -1);
6969 if (OKToStartUserMove(x, y)) {
6970 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6971 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6972 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6973 gatingPiece = boards[currentMove][fromY][fromX];
6974 else gatingPiece = EmptySquare;
6976 fromY = y; dragging = 1;
6977 MarkTargetSquares(0);
6978 DragPieceBegin(xPix, yPix, FALSE);
6979 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6980 promoSweep = defaultPromoChoice;
6981 selectFlag = 0; lastX = xPix; lastY = yPix;
6982 Sweep(0); // Pawn that is going to promote: preview promotion piece
6986 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6989 // ignore clicks on holdings
6990 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6993 if (clickType == Release && x == fromX && y == fromY) {
6994 DragPieceEnd(xPix, yPix); dragging = 0;
6996 // a deferred attempt to click-click move an empty square on top of a piece
6997 boards[currentMove][y][x] = EmptySquare;
6999 DrawPosition(FALSE, boards[currentMove]);
7000 fromX = fromY = -1; clearFlag = 0;
7003 if (appData.animateDragging) {
7004 /* Undo animation damage if any */
7005 DrawPosition(FALSE, NULL);
7008 /* Second up/down in same square; just abort move */
7011 gatingPiece = EmptySquare;
7014 ClearPremoveHighlights();
7016 /* First upclick in same square; start click-click mode */
7017 SetHighlights(x, y, -1, -1);
7024 /* we now have a different from- and (possibly off-board) to-square */
7025 /* Completed move */
7028 saveAnimate = appData.animate;
7029 MarkTargetSquares(1);
7030 if (clickType == Press) {
7031 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7032 // must be Edit Position mode with empty-square selected
7033 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7034 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7037 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7038 ChessSquare piece = boards[currentMove][fromY][fromX];
7039 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7040 promoSweep = defaultPromoChoice;
7041 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7042 selectFlag = 0; lastX = xPix; lastY = yPix;
7043 Sweep(0); // Pawn that is going to promote: preview promotion piece
7044 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7045 DrawPosition(FALSE, boards[currentMove]);
7048 /* Finish clickclick move */
7049 if (appData.animate || appData.highlightLastMove) {
7050 SetHighlights(fromX, fromY, toX, toY);
7055 /* Finish drag move */
7056 if (appData.highlightLastMove) {
7057 SetHighlights(fromX, fromY, toX, toY);
7061 DragPieceEnd(xPix, yPix); dragging = 0;
7062 /* Don't animate move and drag both */
7063 appData.animate = FALSE;
7066 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7067 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7068 ChessSquare piece = boards[currentMove][fromY][fromX];
7069 if(gameMode == EditPosition && piece != EmptySquare &&
7070 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7073 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7074 n = PieceToNumber(piece - (int)BlackPawn);
7075 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7076 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7077 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7079 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7080 n = PieceToNumber(piece);
7081 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7082 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7083 boards[currentMove][n][BOARD_WIDTH-2]++;
7085 boards[currentMove][fromY][fromX] = EmptySquare;
7089 DrawPosition(TRUE, boards[currentMove]);
7093 // off-board moves should not be highlighted
7094 if(x < 0 || y < 0) ClearHighlights();
7096 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7098 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7099 SetHighlights(fromX, fromY, toX, toY);
7100 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7101 // [HGM] super: promotion to captured piece selected from holdings
7102 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7103 promotionChoice = TRUE;
7104 // kludge follows to temporarily execute move on display, without promoting yet
7105 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7106 boards[currentMove][toY][toX] = p;
7107 DrawPosition(FALSE, boards[currentMove]);
7108 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7109 boards[currentMove][toY][toX] = q;
7110 DisplayMessage("Click in holdings to choose piece", "");
7115 int oldMove = currentMove;
7116 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7117 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7118 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7119 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7120 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7121 DrawPosition(TRUE, boards[currentMove]);
7124 appData.animate = saveAnimate;
7125 if (appData.animate || appData.animateDragging) {
7126 /* Undo animation damage if needed */
7127 DrawPosition(FALSE, NULL);
7131 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7132 { // front-end-free part taken out of PieceMenuPopup
7133 int whichMenu; int xSqr, ySqr;
7135 if(seekGraphUp) { // [HGM] seekgraph
7136 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7137 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7141 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7142 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7143 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7144 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7145 if(action == Press) {
7146 originalFlip = flipView;
7147 flipView = !flipView; // temporarily flip board to see game from partners perspective
7148 DrawPosition(TRUE, partnerBoard);
7149 DisplayMessage(partnerStatus, "");
7151 } else if(action == Release) {
7152 flipView = originalFlip;
7153 DrawPosition(TRUE, boards[currentMove]);
7159 xSqr = EventToSquare(x, BOARD_WIDTH);
7160 ySqr = EventToSquare(y, BOARD_HEIGHT);
7161 if (action == Release) {
7162 if(pieceSweep != EmptySquare) {
7163 EditPositionMenuEvent(pieceSweep, toX, toY);
7164 pieceSweep = EmptySquare;
7165 } else UnLoadPV(); // [HGM] pv
7167 if (action != Press) return -2; // return code to be ignored
7170 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7172 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7173 if (xSqr < 0 || ySqr < 0) return -1;
7174 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7175 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7176 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7177 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7181 if(!appData.icsEngineAnalyze) return -1;
7182 case IcsPlayingWhite:
7183 case IcsPlayingBlack:
7184 if(!appData.zippyPlay) goto noZip;
7187 case MachinePlaysWhite:
7188 case MachinePlaysBlack:
7189 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7190 if (!appData.dropMenu) {
7192 return 2; // flag front-end to grab mouse events
7194 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7195 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7198 if (xSqr < 0 || ySqr < 0) return -1;
7199 if (!appData.dropMenu || appData.testLegality &&
7200 gameInfo.variant != VariantBughouse &&
7201 gameInfo.variant != VariantCrazyhouse) return -1;
7202 whichMenu = 1; // drop menu
7208 if (((*fromX = xSqr) < 0) ||
7209 ((*fromY = ySqr) < 0)) {
7210 *fromX = *fromY = -1;
7214 *fromX = BOARD_WIDTH - 1 - *fromX;
7216 *fromY = BOARD_HEIGHT - 1 - *fromY;
7221 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7223 // char * hint = lastHint;
7224 FrontEndProgramStats stats;
7226 stats.which = cps == &first ? 0 : 1;
7227 stats.depth = cpstats->depth;
7228 stats.nodes = cpstats->nodes;
7229 stats.score = cpstats->score;
7230 stats.time = cpstats->time;
7231 stats.pv = cpstats->movelist;
7232 stats.hint = lastHint;
7233 stats.an_move_index = 0;
7234 stats.an_move_count = 0;
7236 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7237 stats.hint = cpstats->move_name;
7238 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7239 stats.an_move_count = cpstats->nr_moves;
7242 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
7244 SetProgramStats( &stats );
7248 ClearEngineOutputPane(int which)
7250 static FrontEndProgramStats dummyStats;
7251 dummyStats.which = which;
7252 dummyStats.pv = "#";
7253 SetProgramStats( &dummyStats );
7256 #define MAXPLAYERS 500
7259 TourneyStandings(int display)
7261 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7262 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7263 char result, *p, *names[MAXPLAYERS];
7265 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7266 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7267 names[0] = p = strdup(appData.participants);
7268 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7270 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7272 while(result = appData.results[nr]) {
7273 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7274 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7275 wScore = bScore = 0;
7277 case '+': wScore = 2; break;
7278 case '-': bScore = 2; break;
7279 case '=': wScore = bScore = 1; break;
7281 case '*': return strdup("busy"); // tourney not finished
7289 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7290 for(w=0; w<nPlayers; w++) {
7292 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7293 ranking[w] = b; points[w] = bScore; score[b] = -2;
7295 p = malloc(nPlayers*34+1);
7296 for(w=0; w<nPlayers && w<display; w++)
7297 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7303 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7304 { // count all piece types
7306 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7307 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7308 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7311 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7312 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7313 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7314 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7315 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7316 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7321 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7323 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7324 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7326 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7327 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7328 if(myPawns == 2 && nMine == 3) // KPP
7329 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7330 if(myPawns == 1 && nMine == 2) // KP
7331 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7332 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7333 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7334 if(myPawns) return FALSE;
7335 if(pCnt[WhiteRook+side])
7336 return pCnt[BlackRook-side] ||
7337 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7338 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7339 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7340 if(pCnt[WhiteCannon+side]) {
7341 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7342 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7344 if(pCnt[WhiteKnight+side])
7345 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7350 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7352 VariantClass v = gameInfo.variant;
7354 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7355 if(v == VariantShatranj) return TRUE; // always winnable through baring
7356 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7357 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7359 if(v == VariantXiangqi) {
7360 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7362 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7363 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7364 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7365 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7366 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7367 if(stale) // we have at least one last-rank P plus perhaps C
7368 return majors // KPKX
7369 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7371 return pCnt[WhiteFerz+side] // KCAK
7372 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7373 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7374 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7376 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7377 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7379 if(nMine == 1) return FALSE; // bare King
7380 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
7381 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7382 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7383 // by now we have King + 1 piece (or multiple Bishops on the same color)
7384 if(pCnt[WhiteKnight+side])
7385 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7386 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7387 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7389 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7390 if(pCnt[WhiteAlfil+side])
7391 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7392 if(pCnt[WhiteWazir+side])
7393 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7400 CompareWithRights(Board b1, Board b2)
7403 if(!CompareBoards(b1, b2)) return FALSE;
7404 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7405 /* compare castling rights */
7406 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7407 rights++; /* King lost rights, while rook still had them */
7408 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7409 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7410 rights++; /* but at least one rook lost them */
7412 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7414 if( b1[CASTLING][5] != NoRights ) {
7415 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7422 Adjudicate(ChessProgramState *cps)
7423 { // [HGM] some adjudications useful with buggy engines
7424 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7425 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7426 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7427 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7428 int k, count = 0; static int bare = 1;
7429 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7430 Boolean canAdjudicate = !appData.icsActive;
7432 // most tests only when we understand the game, i.e. legality-checking on
7433 if( appData.testLegality )
7434 { /* [HGM] Some more adjudications for obstinate engines */
7435 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7436 static int moveCount = 6;
7438 char *reason = NULL;
7440 /* Count what is on board. */
7441 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7443 /* Some material-based adjudications that have to be made before stalemate test */
7444 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7445 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7446 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7447 if(canAdjudicate && appData.checkMates) {
7449 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7450 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7451 "Xboard adjudication: King destroyed", GE_XBOARD );
7456 /* Bare King in Shatranj (loses) or Losers (wins) */
7457 if( nrW == 1 || nrB == 1) {
7458 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7459 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7460 if(canAdjudicate && appData.checkMates) {
7462 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7463 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7464 "Xboard adjudication: Bare king", GE_XBOARD );
7468 if( gameInfo.variant == VariantShatranj && --bare < 0)
7470 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7471 if(canAdjudicate && appData.checkMates) {
7472 /* but only adjudicate if adjudication enabled */
7474 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7475 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7476 "Xboard adjudication: Bare king", GE_XBOARD );
7483 // don't wait for engine to announce game end if we can judge ourselves
7484 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7486 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7487 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7488 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7489 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7492 reason = "Xboard adjudication: 3rd check";
7493 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7503 reason = "Xboard adjudication: Stalemate";
7504 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7505 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7506 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7507 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7508 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7509 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7510 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7511 EP_CHECKMATE : EP_WINS);
7512 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7513 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7517 reason = "Xboard adjudication: Checkmate";
7518 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7522 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7524 result = GameIsDrawn; break;
7526 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7528 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7532 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7534 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7535 GameEnds( result, reason, GE_XBOARD );
7539 /* Next absolutely insufficient mating material. */
7540 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7541 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7542 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7544 /* always flag draws, for judging claims */
7545 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7547 if(canAdjudicate && appData.materialDraws) {
7548 /* but only adjudicate them if adjudication enabled */
7549 if(engineOpponent) {
7550 SendToProgram("force\n", engineOpponent); // suppress reply
7551 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7553 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7558 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7559 if(gameInfo.variant == VariantXiangqi ?
7560 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7562 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7563 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7564 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7565 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7567 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7568 { /* if the first 3 moves do not show a tactical win, declare draw */
7569 if(engineOpponent) {
7570 SendToProgram("force\n", engineOpponent); // suppress reply
7571 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7573 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7576 } else moveCount = 6;
7578 if (appData.debugMode) { int i;
7579 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7580 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7581 appData.drawRepeats);
7582 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7583 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7587 // Repetition draws and 50-move rule can be applied independently of legality testing
7589 /* Check for rep-draws */
7591 for(k = forwardMostMove-2;
7592 k>=backwardMostMove && k>=forwardMostMove-100 &&
7593 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7594 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7597 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7598 /* compare castling rights */
7599 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7600 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7601 rights++; /* King lost rights, while rook still had them */
7602 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7603 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7604 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7605 rights++; /* but at least one rook lost them */
7607 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7608 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7610 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7611 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7612 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7615 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7616 && appData.drawRepeats > 1) {
7617 /* adjudicate after user-specified nr of repeats */
7618 int result = GameIsDrawn;
7619 char *details = "XBoard adjudication: repetition draw";
7620 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7621 // [HGM] xiangqi: check for forbidden perpetuals
7622 int m, ourPerpetual = 1, hisPerpetual = 1;
7623 for(m=forwardMostMove; m>k; m-=2) {
7624 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7625 ourPerpetual = 0; // the current mover did not always check
7626 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7627 hisPerpetual = 0; // the opponent did not always check
7629 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7630 ourPerpetual, hisPerpetual);
7631 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7632 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7633 details = "Xboard adjudication: perpetual checking";
7635 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7636 break; // (or we would have caught him before). Abort repetition-checking loop.
7638 // Now check for perpetual chases
7639 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7640 hisPerpetual = PerpetualChase(k, forwardMostMove);
7641 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7642 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7643 static char resdet[MSG_SIZ];
7644 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7646 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7648 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7649 break; // Abort repetition-checking loop.
7651 // if neither of us is checking or chasing all the time, or both are, it is draw
7653 if(engineOpponent) {
7654 SendToProgram("force\n", engineOpponent); // suppress reply
7655 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7657 GameEnds( result, details, GE_XBOARD );
7660 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7661 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7665 /* Now we test for 50-move draws. Determine ply count */
7666 count = forwardMostMove;
7667 /* look for last irreversble move */
7668 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7670 /* if we hit starting position, add initial plies */
7671 if( count == backwardMostMove )
7672 count -= initialRulePlies;
7673 count = forwardMostMove - count;
7674 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7675 // adjust reversible move counter for checks in Xiangqi
7676 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7677 if(i < backwardMostMove) i = backwardMostMove;
7678 while(i <= forwardMostMove) {
7679 lastCheck = inCheck; // check evasion does not count
7680 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7681 if(inCheck || lastCheck) count--; // check does not count
7686 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7687 /* this is used to judge if draw claims are legal */
7688 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7689 if(engineOpponent) {
7690 SendToProgram("force\n", engineOpponent); // suppress reply
7691 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7693 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7697 /* if draw offer is pending, treat it as a draw claim
7698 * when draw condition present, to allow engines a way to
7699 * claim draws before making their move to avoid a race
7700 * condition occurring after their move
7702 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7704 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7705 p = "Draw claim: 50-move rule";
7706 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7707 p = "Draw claim: 3-fold repetition";
7708 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7709 p = "Draw claim: insufficient mating material";
7710 if( p != NULL && canAdjudicate) {
7711 if(engineOpponent) {
7712 SendToProgram("force\n", engineOpponent); // suppress reply
7713 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7715 GameEnds( GameIsDrawn, p, GE_XBOARD );
7720 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7721 if(engineOpponent) {
7722 SendToProgram("force\n", engineOpponent); // suppress reply
7723 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7725 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7731 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7732 { // [HGM] book: this routine intercepts moves to simulate book replies
7733 char *bookHit = NULL;
7735 //first determine if the incoming move brings opponent into his book
7736 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7737 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7738 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7739 if(bookHit != NULL && !cps->bookSuspend) {
7740 // make sure opponent is not going to reply after receiving move to book position
7741 SendToProgram("force\n", cps);
7742 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7744 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7745 // now arrange restart after book miss
7747 // after a book hit we never send 'go', and the code after the call to this routine
7748 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7749 char buf[MSG_SIZ], *move = bookHit;
7751 int fromX, fromY, toX, toY;
7755 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7756 &fromX, &fromY, &toX, &toY, &promoChar)) {
7757 (void) CoordsToAlgebraic(boards[forwardMostMove],
7758 PosFlags(forwardMostMove),
7759 fromY, fromX, toY, toX, promoChar, move);
7761 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7765 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7766 SendToProgram(buf, cps);
7767 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7768 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7769 SendToProgram("go\n", cps);
7770 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7771 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7772 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7773 SendToProgram("go\n", cps);
7774 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7776 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7780 ChessProgramState *savedState;
7781 void DeferredBookMove(void)
7783 if(savedState->lastPing != savedState->lastPong)
7784 ScheduleDelayedEvent(DeferredBookMove, 10);
7786 HandleMachineMove(savedMessage, savedState);
7789 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7792 HandleMachineMove(message, cps)
7794 ChessProgramState *cps;
7796 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7797 char realname[MSG_SIZ];
7798 int fromX, fromY, toX, toY;
7805 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7806 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7807 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7808 DisplayError(_("Invalid pairing from pairing engine"), 0);
7811 pairingReceived = 1;
7813 return; // Skim the pairing messages here.
7818 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7820 * Kludge to ignore BEL characters
7822 while (*message == '\007') message++;
7825 * [HGM] engine debug message: ignore lines starting with '#' character
7827 if(cps->debug && *message == '#') return;
7830 * Look for book output
7832 if (cps == &first && bookRequested) {
7833 if (message[0] == '\t' || message[0] == ' ') {
7834 /* Part of the book output is here; append it */
7835 strcat(bookOutput, message);
7836 strcat(bookOutput, " \n");
7838 } else if (bookOutput[0] != NULLCHAR) {
7839 /* All of book output has arrived; display it */
7840 char *p = bookOutput;
7841 while (*p != NULLCHAR) {
7842 if (*p == '\t') *p = ' ';
7845 DisplayInformation(bookOutput);
7846 bookRequested = FALSE;
7847 /* Fall through to parse the current output */
7852 * Look for machine move.
7854 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7855 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7857 /* This method is only useful on engines that support ping */
7858 if (cps->lastPing != cps->lastPong) {
7859 if (gameMode == BeginningOfGame) {
7860 /* Extra move from before last new; ignore */
7861 if (appData.debugMode) {
7862 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7865 if (appData.debugMode) {
7866 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7867 cps->which, gameMode);
7870 SendToProgram("undo\n", cps);
7876 case BeginningOfGame:
7877 /* Extra move from before last reset; ignore */
7878 if (appData.debugMode) {
7879 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7886 /* Extra move after we tried to stop. The mode test is
7887 not a reliable way of detecting this problem, but it's
7888 the best we can do on engines that don't support ping.
7890 if (appData.debugMode) {
7891 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7892 cps->which, gameMode);
7894 SendToProgram("undo\n", cps);
7897 case MachinePlaysWhite:
7898 case IcsPlayingWhite:
7899 machineWhite = TRUE;
7902 case MachinePlaysBlack:
7903 case IcsPlayingBlack:
7904 machineWhite = FALSE;
7907 case TwoMachinesPlay:
7908 machineWhite = (cps->twoMachinesColor[0] == 'w');
7911 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7912 if (appData.debugMode) {
7914 "Ignoring move out of turn by %s, gameMode %d"
7915 ", forwardMost %d\n",
7916 cps->which, gameMode, forwardMostMove);
7921 if (appData.debugMode) { int f = forwardMostMove;
7922 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7923 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7924 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7926 if(cps->alphaRank) AlphaRank(machineMove, 4);
7927 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7928 &fromX, &fromY, &toX, &toY, &promoChar)) {
7929 /* Machine move could not be parsed; ignore it. */
7930 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7931 machineMove, _(cps->which));
7932 DisplayError(buf1, 0);
7933 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7934 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7935 if (gameMode == TwoMachinesPlay) {
7936 GameEnds(machineWhite ? BlackWins : WhiteWins,
7942 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7943 /* So we have to redo legality test with true e.p. status here, */
7944 /* to make sure an illegal e.p. capture does not slip through, */
7945 /* to cause a forfeit on a justified illegal-move complaint */
7946 /* of the opponent. */
7947 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7949 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7950 fromY, fromX, toY, toX, promoChar);
7951 if (appData.debugMode) {
7953 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7954 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7955 fprintf(debugFP, "castling rights\n");
7957 if(moveType == IllegalMove) {
7958 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7959 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7960 GameEnds(machineWhite ? BlackWins : WhiteWins,
7963 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7964 /* [HGM] Kludge to handle engines that send FRC-style castling
7965 when they shouldn't (like TSCP-Gothic) */
7967 case WhiteASideCastleFR:
7968 case BlackASideCastleFR:
7970 currentMoveString[2]++;
7972 case WhiteHSideCastleFR:
7973 case BlackHSideCastleFR:
7975 currentMoveString[2]--;
7977 default: ; // nothing to do, but suppresses warning of pedantic compilers
7980 hintRequested = FALSE;
7981 lastHint[0] = NULLCHAR;
7982 bookRequested = FALSE;
7983 /* Program may be pondering now */
7984 cps->maybeThinking = TRUE;
7985 if (cps->sendTime == 2) cps->sendTime = 1;
7986 if (cps->offeredDraw) cps->offeredDraw--;
7988 /* [AS] Save move info*/
7989 pvInfoList[ forwardMostMove ].score = programStats.score;
7990 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7991 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7993 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7995 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7996 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7999 while( count < adjudicateLossPlies ) {
8000 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8003 score = -score; /* Flip score for winning side */
8006 if( score > adjudicateLossThreshold ) {
8013 if( count >= adjudicateLossPlies ) {
8014 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8016 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8017 "Xboard adjudication",
8024 if(Adjudicate(cps)) {
8025 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8026 return; // [HGM] adjudicate: for all automatic game ends
8030 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8032 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8033 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8035 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8037 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8039 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8040 char buf[3*MSG_SIZ];
8042 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8043 programStats.score / 100.,
8045 programStats.time / 100.,
8046 (unsigned int)programStats.nodes,
8047 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8048 programStats.movelist);
8050 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8055 /* [AS] Clear stats for next move */
8056 ClearProgramStats();
8057 thinkOutput[0] = NULLCHAR;
8058 hiddenThinkOutputState = 0;
8061 if (gameMode == TwoMachinesPlay) {
8062 /* [HGM] relaying draw offers moved to after reception of move */
8063 /* and interpreting offer as claim if it brings draw condition */
8064 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8065 SendToProgram("draw\n", cps->other);
8067 if (cps->other->sendTime) {
8068 SendTimeRemaining(cps->other,
8069 cps->other->twoMachinesColor[0] == 'w');
8071 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8072 if (firstMove && !bookHit) {
8074 if (cps->other->useColors) {
8075 SendToProgram(cps->other->twoMachinesColor, cps->other);
8077 SendToProgram("go\n", cps->other);
8079 cps->other->maybeThinking = TRUE;
8082 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8084 if (!pausing && appData.ringBellAfterMoves) {
8089 * Reenable menu items that were disabled while
8090 * machine was thinking
8092 if (gameMode != TwoMachinesPlay)
8093 SetUserThinkingEnables();
8095 // [HGM] book: after book hit opponent has received move and is now in force mode
8096 // force the book reply into it, and then fake that it outputted this move by jumping
8097 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8099 static char bookMove[MSG_SIZ]; // a bit generous?
8101 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8102 strcat(bookMove, bookHit);
8105 programStats.nodes = programStats.depth = programStats.time =
8106 programStats.score = programStats.got_only_move = 0;
8107 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8109 if(cps->lastPing != cps->lastPong) {
8110 savedMessage = message; // args for deferred call
8112 ScheduleDelayedEvent(DeferredBookMove, 10);
8121 /* Set special modes for chess engines. Later something general
8122 * could be added here; for now there is just one kludge feature,
8123 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8124 * when "xboard" is given as an interactive command.
8126 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8127 cps->useSigint = FALSE;
8128 cps->useSigterm = FALSE;
8130 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8131 ParseFeatures(message+8, cps);
8132 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8135 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8136 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8137 int dummy, s=6; char buf[MSG_SIZ];
8138 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8139 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8140 if(startedFromSetupPosition) return;
8141 ParseFEN(boards[0], &dummy, message+s);
8142 DrawPosition(TRUE, boards[0]);
8143 startedFromSetupPosition = TRUE;
8146 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8147 * want this, I was asked to put it in, and obliged.
8149 if (!strncmp(message, "setboard ", 9)) {
8150 Board initial_position;
8152 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8154 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8155 DisplayError(_("Bad FEN received from engine"), 0);
8159 CopyBoard(boards[0], initial_position);
8160 initialRulePlies = FENrulePlies;
8161 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8162 else gameMode = MachinePlaysBlack;
8163 DrawPosition(FALSE, boards[currentMove]);
8169 * Look for communication commands
8171 if (!strncmp(message, "telluser ", 9)) {
8172 if(message[9] == '\\' && message[10] == '\\')
8173 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8175 DisplayNote(message + 9);
8178 if (!strncmp(message, "tellusererror ", 14)) {
8180 if(message[14] == '\\' && message[15] == '\\')
8181 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8183 DisplayError(message + 14, 0);
8186 if (!strncmp(message, "tellopponent ", 13)) {
8187 if (appData.icsActive) {
8189 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8193 DisplayNote(message + 13);
8197 if (!strncmp(message, "tellothers ", 11)) {
8198 if (appData.icsActive) {
8200 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8206 if (!strncmp(message, "tellall ", 8)) {
8207 if (appData.icsActive) {
8209 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8213 DisplayNote(message + 8);
8217 if (strncmp(message, "warning", 7) == 0) {
8218 /* Undocumented feature, use tellusererror in new code */
8219 DisplayError(message, 0);
8222 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8223 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8224 strcat(realname, " query");
8225 AskQuestion(realname, buf2, buf1, cps->pr);
8228 /* Commands from the engine directly to ICS. We don't allow these to be
8229 * sent until we are logged on. Crafty kibitzes have been known to
8230 * interfere with the login process.
8233 if (!strncmp(message, "tellics ", 8)) {
8234 SendToICS(message + 8);
8238 if (!strncmp(message, "tellicsnoalias ", 15)) {
8239 SendToICS(ics_prefix);
8240 SendToICS(message + 15);
8244 /* The following are for backward compatibility only */
8245 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8246 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8247 SendToICS(ics_prefix);
8253 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8257 * If the move is illegal, cancel it and redraw the board.
8258 * Also deal with other error cases. Matching is rather loose
8259 * here to accommodate engines written before the spec.
8261 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8262 strncmp(message, "Error", 5) == 0) {
8263 if (StrStr(message, "name") ||
8264 StrStr(message, "rating") || StrStr(message, "?") ||
8265 StrStr(message, "result") || StrStr(message, "board") ||
8266 StrStr(message, "bk") || StrStr(message, "computer") ||
8267 StrStr(message, "variant") || StrStr(message, "hint") ||
8268 StrStr(message, "random") || StrStr(message, "depth") ||
8269 StrStr(message, "accepted")) {
8272 if (StrStr(message, "protover")) {
8273 /* Program is responding to input, so it's apparently done
8274 initializing, and this error message indicates it is
8275 protocol version 1. So we don't need to wait any longer
8276 for it to initialize and send feature commands. */
8277 FeatureDone(cps, 1);
8278 cps->protocolVersion = 1;
8281 cps->maybeThinking = FALSE;
8283 if (StrStr(message, "draw")) {
8284 /* Program doesn't have "draw" command */
8285 cps->sendDrawOffers = 0;
8288 if (cps->sendTime != 1 &&
8289 (StrStr(message, "time") || StrStr(message, "otim"))) {
8290 /* Program apparently doesn't have "time" or "otim" command */
8294 if (StrStr(message, "analyze")) {
8295 cps->analysisSupport = FALSE;
8296 cps->analyzing = FALSE;
8297 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8298 EditGameEvent(); // [HGM] try to preserve loaded game
8299 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8300 DisplayError(buf2, 0);
8303 if (StrStr(message, "(no matching move)st")) {
8304 /* Special kludge for GNU Chess 4 only */
8305 cps->stKludge = TRUE;
8306 SendTimeControl(cps, movesPerSession, timeControl,
8307 timeIncrement, appData.searchDepth,
8311 if (StrStr(message, "(no matching move)sd")) {
8312 /* Special kludge for GNU Chess 4 only */
8313 cps->sdKludge = TRUE;
8314 SendTimeControl(cps, movesPerSession, timeControl,
8315 timeIncrement, appData.searchDepth,
8319 if (!StrStr(message, "llegal")) {
8322 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8323 gameMode == IcsIdle) return;
8324 if (forwardMostMove <= backwardMostMove) return;
8325 if (pausing) PauseEvent();
8326 if(appData.forceIllegal) {
8327 // [HGM] illegal: machine refused move; force position after move into it
8328 SendToProgram("force\n", cps);
8329 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8330 // we have a real problem now, as SendBoard will use the a2a3 kludge
8331 // when black is to move, while there might be nothing on a2 or black
8332 // might already have the move. So send the board as if white has the move.
8333 // But first we must change the stm of the engine, as it refused the last move
8334 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8335 if(WhiteOnMove(forwardMostMove)) {
8336 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8337 SendBoard(cps, forwardMostMove); // kludgeless board
8339 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8340 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8341 SendBoard(cps, forwardMostMove+1); // kludgeless board
8343 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8344 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8345 gameMode == TwoMachinesPlay)
8346 SendToProgram("go\n", cps);
8349 if (gameMode == PlayFromGameFile) {
8350 /* Stop reading this game file */
8351 gameMode = EditGame;
8354 /* [HGM] illegal-move claim should forfeit game when Xboard */
8355 /* only passes fully legal moves */
8356 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8357 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8358 "False illegal-move claim", GE_XBOARD );
8359 return; // do not take back move we tested as valid
8361 currentMove = forwardMostMove-1;
8362 DisplayMove(currentMove-1); /* before DisplayMoveError */
8363 SwitchClocks(forwardMostMove-1); // [HGM] race
8364 DisplayBothClocks();
8365 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8366 parseList[currentMove], _(cps->which));
8367 DisplayMoveError(buf1);
8368 DrawPosition(FALSE, boards[currentMove]);
8370 SetUserThinkingEnables();
8373 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8374 /* Program has a broken "time" command that
8375 outputs a string not ending in newline.
8381 * If chess program startup fails, exit with an error message.
8382 * Attempts to recover here are futile.
8384 if ((StrStr(message, "unknown host") != NULL)
8385 || (StrStr(message, "No remote directory") != NULL)
8386 || (StrStr(message, "not found") != NULL)
8387 || (StrStr(message, "No such file") != NULL)
8388 || (StrStr(message, "can't alloc") != NULL)
8389 || (StrStr(message, "Permission denied") != NULL)) {
8391 cps->maybeThinking = FALSE;
8392 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8393 _(cps->which), cps->program, cps->host, message);
8394 RemoveInputSource(cps->isr);
8395 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8396 if(cps == &first) appData.noChessProgram = TRUE;
8397 DisplayError(buf1, 0);
8403 * Look for hint output
8405 if (sscanf(message, "Hint: %s", buf1) == 1) {
8406 if (cps == &first && hintRequested) {
8407 hintRequested = FALSE;
8408 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8409 &fromX, &fromY, &toX, &toY, &promoChar)) {
8410 (void) CoordsToAlgebraic(boards[forwardMostMove],
8411 PosFlags(forwardMostMove),
8412 fromY, fromX, toY, toX, promoChar, buf1);
8413 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8414 DisplayInformation(buf2);
8416 /* Hint move could not be parsed!? */
8417 snprintf(buf2, sizeof(buf2),
8418 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8419 buf1, _(cps->which));
8420 DisplayError(buf2, 0);
8423 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8429 * Ignore other messages if game is not in progress
8431 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8432 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8435 * look for win, lose, draw, or draw offer
8437 if (strncmp(message, "1-0", 3) == 0) {
8438 char *p, *q, *r = "";
8439 p = strchr(message, '{');
8447 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8449 } else if (strncmp(message, "0-1", 3) == 0) {
8450 char *p, *q, *r = "";
8451 p = strchr(message, '{');
8459 /* Kludge for Arasan 4.1 bug */
8460 if (strcmp(r, "Black resigns") == 0) {
8461 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8464 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8466 } else if (strncmp(message, "1/2", 3) == 0) {
8467 char *p, *q, *r = "";
8468 p = strchr(message, '{');
8477 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8480 } else if (strncmp(message, "White resign", 12) == 0) {
8481 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8483 } else if (strncmp(message, "Black resign", 12) == 0) {
8484 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8486 } else if (strncmp(message, "White matches", 13) == 0 ||
8487 strncmp(message, "Black matches", 13) == 0 ) {
8488 /* [HGM] ignore GNUShogi noises */
8490 } else if (strncmp(message, "White", 5) == 0 &&
8491 message[5] != '(' &&
8492 StrStr(message, "Black") == NULL) {
8493 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8495 } else if (strncmp(message, "Black", 5) == 0 &&
8496 message[5] != '(') {
8497 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8499 } else if (strcmp(message, "resign") == 0 ||
8500 strcmp(message, "computer resigns") == 0) {
8502 case MachinePlaysBlack:
8503 case IcsPlayingBlack:
8504 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8506 case MachinePlaysWhite:
8507 case IcsPlayingWhite:
8508 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8510 case TwoMachinesPlay:
8511 if (cps->twoMachinesColor[0] == 'w')
8512 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8514 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8521 } else if (strncmp(message, "opponent mates", 14) == 0) {
8523 case MachinePlaysBlack:
8524 case IcsPlayingBlack:
8525 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8527 case MachinePlaysWhite:
8528 case IcsPlayingWhite:
8529 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8531 case TwoMachinesPlay:
8532 if (cps->twoMachinesColor[0] == 'w')
8533 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8535 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8542 } else if (strncmp(message, "computer mates", 14) == 0) {
8544 case MachinePlaysBlack:
8545 case IcsPlayingBlack:
8546 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8548 case MachinePlaysWhite:
8549 case IcsPlayingWhite:
8550 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8552 case TwoMachinesPlay:
8553 if (cps->twoMachinesColor[0] == 'w')
8554 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8556 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8563 } else if (strncmp(message, "checkmate", 9) == 0) {
8564 if (WhiteOnMove(forwardMostMove)) {
8565 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8567 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8570 } else if (strstr(message, "Draw") != NULL ||
8571 strstr(message, "game is a draw") != NULL) {
8572 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8574 } else if (strstr(message, "offer") != NULL &&
8575 strstr(message, "draw") != NULL) {
8577 if (appData.zippyPlay && first.initDone) {
8578 /* Relay offer to ICS */
8579 SendToICS(ics_prefix);
8580 SendToICS("draw\n");
8583 cps->offeredDraw = 2; /* valid until this engine moves twice */
8584 if (gameMode == TwoMachinesPlay) {
8585 if (cps->other->offeredDraw) {
8586 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8587 /* [HGM] in two-machine mode we delay relaying draw offer */
8588 /* until after we also have move, to see if it is really claim */
8590 } else if (gameMode == MachinePlaysWhite ||
8591 gameMode == MachinePlaysBlack) {
8592 if (userOfferedDraw) {
8593 DisplayInformation(_("Machine accepts your draw offer"));
8594 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8596 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8603 * Look for thinking output
8605 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8606 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8608 int plylev, mvleft, mvtot, curscore, time;
8609 char mvname[MOVE_LEN];
8613 int prefixHint = FALSE;
8614 mvname[0] = NULLCHAR;
8617 case MachinePlaysBlack:
8618 case IcsPlayingBlack:
8619 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8621 case MachinePlaysWhite:
8622 case IcsPlayingWhite:
8623 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8628 case IcsObserving: /* [DM] icsEngineAnalyze */
8629 if (!appData.icsEngineAnalyze) ignore = TRUE;
8631 case TwoMachinesPlay:
8632 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8642 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8644 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8645 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8647 if (plyext != ' ' && plyext != '\t') {
8651 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8652 if( cps->scoreIsAbsolute &&
8653 ( gameMode == MachinePlaysBlack ||
8654 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8655 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8656 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8657 !WhiteOnMove(currentMove)
8660 curscore = -curscore;
8663 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8665 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8668 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8669 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8670 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8671 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8672 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8673 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8675 } else DisplayError(_("failed writing PV"), 0);
8678 tempStats.depth = plylev;
8679 tempStats.nodes = nodes;
8680 tempStats.time = time;
8681 tempStats.score = curscore;
8682 tempStats.got_only_move = 0;
8684 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8687 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8688 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8689 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8690 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8691 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8692 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8693 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8694 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8697 /* Buffer overflow protection */
8698 if (pv[0] != NULLCHAR) {
8699 if (strlen(pv) >= sizeof(tempStats.movelist)
8700 && appData.debugMode) {
8702 "PV is too long; using the first %u bytes.\n",
8703 (unsigned) sizeof(tempStats.movelist) - 1);
8706 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8708 sprintf(tempStats.movelist, " no PV\n");
8711 if (tempStats.seen_stat) {
8712 tempStats.ok_to_send = 1;
8715 if (strchr(tempStats.movelist, '(') != NULL) {
8716 tempStats.line_is_book = 1;
8717 tempStats.nr_moves = 0;
8718 tempStats.moves_left = 0;
8720 tempStats.line_is_book = 0;
8723 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8724 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8726 SendProgramStatsToFrontend( cps, &tempStats );
8729 [AS] Protect the thinkOutput buffer from overflow... this
8730 is only useful if buf1 hasn't overflowed first!
8732 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8734 (gameMode == TwoMachinesPlay ?
8735 ToUpper(cps->twoMachinesColor[0]) : ' '),
8736 ((double) curscore) / 100.0,
8737 prefixHint ? lastHint : "",
8738 prefixHint ? " " : "" );
8740 if( buf1[0] != NULLCHAR ) {
8741 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8743 if( strlen(pv) > max_len ) {
8744 if( appData.debugMode) {
8745 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8747 pv[max_len+1] = '\0';
8750 strcat( thinkOutput, pv);
8753 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8754 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8755 DisplayMove(currentMove - 1);
8759 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8760 /* crafty (9.25+) says "(only move) <move>"
8761 * if there is only 1 legal move
8763 sscanf(p, "(only move) %s", buf1);
8764 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8765 sprintf(programStats.movelist, "%s (only move)", buf1);
8766 programStats.depth = 1;
8767 programStats.nr_moves = 1;
8768 programStats.moves_left = 1;
8769 programStats.nodes = 1;
8770 programStats.time = 1;
8771 programStats.got_only_move = 1;
8773 /* Not really, but we also use this member to
8774 mean "line isn't going to change" (Crafty
8775 isn't searching, so stats won't change) */
8776 programStats.line_is_book = 1;
8778 SendProgramStatsToFrontend( cps, &programStats );
8780 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8781 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8782 DisplayMove(currentMove - 1);
8785 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8786 &time, &nodes, &plylev, &mvleft,
8787 &mvtot, mvname) >= 5) {
8788 /* The stat01: line is from Crafty (9.29+) in response
8789 to the "." command */
8790 programStats.seen_stat = 1;
8791 cps->maybeThinking = TRUE;
8793 if (programStats.got_only_move || !appData.periodicUpdates)
8796 programStats.depth = plylev;
8797 programStats.time = time;
8798 programStats.nodes = nodes;
8799 programStats.moves_left = mvleft;
8800 programStats.nr_moves = mvtot;
8801 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8802 programStats.ok_to_send = 1;
8803 programStats.movelist[0] = '\0';
8805 SendProgramStatsToFrontend( cps, &programStats );
8809 } else if (strncmp(message,"++",2) == 0) {
8810 /* Crafty 9.29+ outputs this */
8811 programStats.got_fail = 2;
8814 } else if (strncmp(message,"--",2) == 0) {
8815 /* Crafty 9.29+ outputs this */
8816 programStats.got_fail = 1;
8819 } else if (thinkOutput[0] != NULLCHAR &&
8820 strncmp(message, " ", 4) == 0) {
8821 unsigned message_len;
8824 while (*p && *p == ' ') p++;
8826 message_len = strlen( p );
8828 /* [AS] Avoid buffer overflow */
8829 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8830 strcat(thinkOutput, " ");
8831 strcat(thinkOutput, p);
8834 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8835 strcat(programStats.movelist, " ");
8836 strcat(programStats.movelist, p);
8839 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8840 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8841 DisplayMove(currentMove - 1);
8849 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8850 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8852 ChessProgramStats cpstats;
8854 if (plyext != ' ' && plyext != '\t') {
8858 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8859 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8860 curscore = -curscore;
8863 cpstats.depth = plylev;
8864 cpstats.nodes = nodes;
8865 cpstats.time = time;
8866 cpstats.score = curscore;
8867 cpstats.got_only_move = 0;
8868 cpstats.movelist[0] = '\0';
8870 if (buf1[0] != NULLCHAR) {
8871 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8874 cpstats.ok_to_send = 0;
8875 cpstats.line_is_book = 0;
8876 cpstats.nr_moves = 0;
8877 cpstats.moves_left = 0;
8879 SendProgramStatsToFrontend( cps, &cpstats );
8886 /* Parse a game score from the character string "game", and
8887 record it as the history of the current game. The game
8888 score is NOT assumed to start from the standard position.
8889 The display is not updated in any way.
8892 ParseGameHistory(game)
8896 int fromX, fromY, toX, toY, boardIndex;
8901 if (appData.debugMode)
8902 fprintf(debugFP, "Parsing game history: %s\n", game);
8904 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8905 gameInfo.site = StrSave(appData.icsHost);
8906 gameInfo.date = PGNDate();
8907 gameInfo.round = StrSave("-");
8909 /* Parse out names of players */
8910 while (*game == ' ') game++;
8912 while (*game != ' ') *p++ = *game++;
8914 gameInfo.white = StrSave(buf);
8915 while (*game == ' ') game++;
8917 while (*game != ' ' && *game != '\n') *p++ = *game++;
8919 gameInfo.black = StrSave(buf);
8922 boardIndex = blackPlaysFirst ? 1 : 0;
8925 yyboardindex = boardIndex;
8926 moveType = (ChessMove) Myylex();
8928 case IllegalMove: /* maybe suicide chess, etc. */
8929 if (appData.debugMode) {
8930 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8931 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8932 setbuf(debugFP, NULL);
8934 case WhitePromotion:
8935 case BlackPromotion:
8936 case WhiteNonPromotion:
8937 case BlackNonPromotion:
8939 case WhiteCapturesEnPassant:
8940 case BlackCapturesEnPassant:
8941 case WhiteKingSideCastle:
8942 case WhiteQueenSideCastle:
8943 case BlackKingSideCastle:
8944 case BlackQueenSideCastle:
8945 case WhiteKingSideCastleWild:
8946 case WhiteQueenSideCastleWild:
8947 case BlackKingSideCastleWild:
8948 case BlackQueenSideCastleWild:
8950 case WhiteHSideCastleFR:
8951 case WhiteASideCastleFR:
8952 case BlackHSideCastleFR:
8953 case BlackASideCastleFR:
8955 fromX = currentMoveString[0] - AAA;
8956 fromY = currentMoveString[1] - ONE;
8957 toX = currentMoveString[2] - AAA;
8958 toY = currentMoveString[3] - ONE;
8959 promoChar = currentMoveString[4];
8963 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8964 fromX = moveType == WhiteDrop ?
8965 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8966 (int) CharToPiece(ToLower(currentMoveString[0]));
8968 toX = currentMoveString[2] - AAA;
8969 toY = currentMoveString[3] - ONE;
8970 promoChar = NULLCHAR;
8974 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8975 if (appData.debugMode) {
8976 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8977 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8978 setbuf(debugFP, NULL);
8980 DisplayError(buf, 0);
8982 case ImpossibleMove:
8984 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8985 if (appData.debugMode) {
8986 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8987 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8988 setbuf(debugFP, NULL);
8990 DisplayError(buf, 0);
8993 if (boardIndex < backwardMostMove) {
8994 /* Oops, gap. How did that happen? */
8995 DisplayError(_("Gap in move list"), 0);
8998 backwardMostMove = blackPlaysFirst ? 1 : 0;
8999 if (boardIndex > forwardMostMove) {
9000 forwardMostMove = boardIndex;
9004 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9005 strcat(parseList[boardIndex-1], " ");
9006 strcat(parseList[boardIndex-1], yy_text);
9018 case GameUnfinished:
9019 if (gameMode == IcsExamining) {
9020 if (boardIndex < backwardMostMove) {
9021 /* Oops, gap. How did that happen? */
9024 backwardMostMove = blackPlaysFirst ? 1 : 0;
9027 gameInfo.result = moveType;
9028 p = strchr(yy_text, '{');
9029 if (p == NULL) p = strchr(yy_text, '(');
9032 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9034 q = strchr(p, *p == '{' ? '}' : ')');
9035 if (q != NULL) *q = NULLCHAR;
9038 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9039 gameInfo.resultDetails = StrSave(p);
9042 if (boardIndex >= forwardMostMove &&
9043 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9044 backwardMostMove = blackPlaysFirst ? 1 : 0;
9047 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9048 fromY, fromX, toY, toX, promoChar,
9049 parseList[boardIndex]);
9050 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9051 /* currentMoveString is set as a side-effect of yylex */
9052 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9053 strcat(moveList[boardIndex], "\n");
9055 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9056 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9062 if(gameInfo.variant != VariantShogi)
9063 strcat(parseList[boardIndex - 1], "+");
9067 strcat(parseList[boardIndex - 1], "#");
9074 /* Apply a move to the given board */
9076 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9077 int fromX, fromY, toX, toY;
9081 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9082 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9084 /* [HGM] compute & store e.p. status and castling rights for new position */
9085 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9087 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9088 oldEP = (signed char)board[EP_STATUS];
9089 board[EP_STATUS] = EP_NONE;
9091 if (fromY == DROP_RANK) {
9093 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9094 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9097 piece = board[toY][toX] = (ChessSquare) fromX;
9101 if( board[toY][toX] != EmptySquare )
9102 board[EP_STATUS] = EP_CAPTURE;
9104 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9105 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9106 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9108 if( board[fromY][fromX] == WhitePawn ) {
9109 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9110 board[EP_STATUS] = EP_PAWN_MOVE;
9112 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9113 gameInfo.variant != VariantBerolina || toX < fromX)
9114 board[EP_STATUS] = toX | berolina;
9115 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9116 gameInfo.variant != VariantBerolina || toX > fromX)
9117 board[EP_STATUS] = toX;
9120 if( board[fromY][fromX] == BlackPawn ) {
9121 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9122 board[EP_STATUS] = EP_PAWN_MOVE;
9123 if( toY-fromY== -2) {
9124 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9125 gameInfo.variant != VariantBerolina || toX < fromX)
9126 board[EP_STATUS] = toX | berolina;
9127 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9128 gameInfo.variant != VariantBerolina || toX > fromX)
9129 board[EP_STATUS] = toX;
9133 for(i=0; i<nrCastlingRights; i++) {
9134 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9135 board[CASTLING][i] == toX && castlingRank[i] == toY
9136 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9139 if (fromX == toX && fromY == toY) return;
9141 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9142 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9143 if(gameInfo.variant == VariantKnightmate)
9144 king += (int) WhiteUnicorn - (int) WhiteKing;
9146 /* Code added by Tord: */
9147 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9148 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9149 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9150 board[fromY][fromX] = EmptySquare;
9151 board[toY][toX] = EmptySquare;
9152 if((toX > fromX) != (piece == WhiteRook)) {
9153 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9155 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9157 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9158 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9159 board[fromY][fromX] = EmptySquare;
9160 board[toY][toX] = EmptySquare;
9161 if((toX > fromX) != (piece == BlackRook)) {
9162 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9164 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9166 /* End of code added by Tord */
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_RGHT-1];
9174 board[fromY][BOARD_RGHT-1] = EmptySquare;
9175 } else if (board[fromY][fromX] == king
9176 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9177 && toY == fromY && toX < fromX-1) {
9178 board[fromY][fromX] = EmptySquare;
9179 board[toY][toX] = king;
9180 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9181 board[fromY][BOARD_LEFT] = EmptySquare;
9182 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9183 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9184 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9186 /* white pawn promotion */
9187 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9188 if(gameInfo.variant==VariantBughouse ||
9189 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9190 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9191 board[fromY][fromX] = EmptySquare;
9192 } else if ((fromY >= BOARD_HEIGHT>>1)
9194 && gameInfo.variant != VariantXiangqi
9195 && gameInfo.variant != VariantBerolina
9196 && (board[fromY][fromX] == WhitePawn)
9197 && (board[toY][toX] == EmptySquare)) {
9198 board[fromY][fromX] = EmptySquare;
9199 board[toY][toX] = WhitePawn;
9200 captured = board[toY - 1][toX];
9201 board[toY - 1][toX] = EmptySquare;
9202 } else if ((fromY == BOARD_HEIGHT-4)
9204 && gameInfo.variant == VariantBerolina
9205 && (board[fromY][fromX] == WhitePawn)
9206 && (board[toY][toX] == EmptySquare)) {
9207 board[fromY][fromX] = EmptySquare;
9208 board[toY][toX] = WhitePawn;
9209 if(oldEP & EP_BEROLIN_A) {
9210 captured = board[fromY][fromX-1];
9211 board[fromY][fromX-1] = EmptySquare;
9212 }else{ captured = board[fromY][fromX+1];
9213 board[fromY][fromX+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_RGHT-1];
9221 board[fromY][BOARD_RGHT-1] = EmptySquare;
9222 } else if (board[fromY][fromX] == king
9223 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9224 && toY == fromY && toX < fromX-1) {
9225 board[fromY][fromX] = EmptySquare;
9226 board[toY][toX] = king;
9227 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9228 board[fromY][BOARD_LEFT] = EmptySquare;
9229 } else if (fromY == 7 && fromX == 3
9230 && board[fromY][fromX] == BlackKing
9231 && toY == 7 && toX == 5) {
9232 board[fromY][fromX] = EmptySquare;
9233 board[toY][toX] = BlackKing;
9234 board[fromY][7] = EmptySquare;
9235 board[toY][4] = BlackRook;
9236 } else if (fromY == 7 && fromX == 3
9237 && board[fromY][fromX] == BlackKing
9238 && toY == 7 && toX == 1) {
9239 board[fromY][fromX] = EmptySquare;
9240 board[toY][toX] = BlackKing;
9241 board[fromY][0] = EmptySquare;
9242 board[toY][2] = BlackRook;
9243 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9244 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9245 && toY < promoRank && promoChar
9247 /* black pawn promotion */
9248 board[toY][toX] = CharToPiece(ToLower(promoChar));
9249 if(gameInfo.variant==VariantBughouse ||
9250 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9251 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9252 board[fromY][fromX] = EmptySquare;
9253 } else if ((fromY < BOARD_HEIGHT>>1)
9255 && gameInfo.variant != VariantXiangqi
9256 && gameInfo.variant != VariantBerolina
9257 && (board[fromY][fromX] == BlackPawn)
9258 && (board[toY][toX] == EmptySquare)) {
9259 board[fromY][fromX] = EmptySquare;
9260 board[toY][toX] = BlackPawn;
9261 captured = board[toY + 1][toX];
9262 board[toY + 1][toX] = EmptySquare;
9263 } else if ((fromY == 3)
9265 && gameInfo.variant == VariantBerolina
9266 && (board[fromY][fromX] == BlackPawn)
9267 && (board[toY][toX] == EmptySquare)) {
9268 board[fromY][fromX] = EmptySquare;
9269 board[toY][toX] = BlackPawn;
9270 if(oldEP & EP_BEROLIN_A) {
9271 captured = board[fromY][fromX-1];
9272 board[fromY][fromX-1] = EmptySquare;
9273 }else{ captured = board[fromY][fromX+1];
9274 board[fromY][fromX+1] = EmptySquare;
9277 board[toY][toX] = board[fromY][fromX];
9278 board[fromY][fromX] = EmptySquare;
9282 if (gameInfo.holdingsWidth != 0) {
9284 /* !!A lot more code needs to be written to support holdings */
9285 /* [HGM] OK, so I have written it. Holdings are stored in the */
9286 /* penultimate board files, so they are automaticlly stored */
9287 /* in the game history. */
9288 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9289 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9290 /* Delete from holdings, by decreasing count */
9291 /* and erasing image if necessary */
9292 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9293 if(p < (int) BlackPawn) { /* white drop */
9294 p -= (int)WhitePawn;
9295 p = PieceToNumber((ChessSquare)p);
9296 if(p >= gameInfo.holdingsSize) p = 0;
9297 if(--board[p][BOARD_WIDTH-2] <= 0)
9298 board[p][BOARD_WIDTH-1] = EmptySquare;
9299 if((int)board[p][BOARD_WIDTH-2] < 0)
9300 board[p][BOARD_WIDTH-2] = 0;
9301 } else { /* black drop */
9302 p -= (int)BlackPawn;
9303 p = PieceToNumber((ChessSquare)p);
9304 if(p >= gameInfo.holdingsSize) p = 0;
9305 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9306 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9307 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9308 board[BOARD_HEIGHT-1-p][1] = 0;
9311 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9312 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9313 /* [HGM] holdings: Add to holdings, if holdings exist */
9314 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9315 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9316 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9319 if (p >= (int) BlackPawn) {
9320 p -= (int)BlackPawn;
9321 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9322 /* in Shogi restore piece to its original first */
9323 captured = (ChessSquare) (DEMOTED captured);
9326 p = PieceToNumber((ChessSquare)p);
9327 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9328 board[p][BOARD_WIDTH-2]++;
9329 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9331 p -= (int)WhitePawn;
9332 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9333 captured = (ChessSquare) (DEMOTED captured);
9336 p = PieceToNumber((ChessSquare)p);
9337 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9338 board[BOARD_HEIGHT-1-p][1]++;
9339 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9342 } else if (gameInfo.variant == VariantAtomic) {
9343 if (captured != EmptySquare) {
9345 for (y = toY-1; y <= toY+1; y++) {
9346 for (x = toX-1; x <= toX+1; x++) {
9347 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9348 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9349 board[y][x] = EmptySquare;
9353 board[toY][toX] = EmptySquare;
9356 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9357 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9359 if(promoChar == '+') {
9360 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9361 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9362 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9363 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9365 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9366 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9367 // [HGM] superchess: take promotion piece out of holdings
9368 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9369 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9370 if(!--board[k][BOARD_WIDTH-2])
9371 board[k][BOARD_WIDTH-1] = EmptySquare;
9373 if(!--board[BOARD_HEIGHT-1-k][1])
9374 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9380 /* Updates forwardMostMove */
9382 MakeMove(fromX, fromY, toX, toY, promoChar)
9383 int fromX, fromY, toX, toY;
9386 // forwardMostMove++; // [HGM] bare: moved downstream
9388 (void) CoordsToAlgebraic(boards[forwardMostMove],
9389 PosFlags(forwardMostMove),
9390 fromY, fromX, toY, toX, promoChar,
9391 parseList[forwardMostMove]);
9393 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9394 int timeLeft; static int lastLoadFlag=0; int king, piece;
9395 piece = boards[forwardMostMove][fromY][fromX];
9396 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9397 if(gameInfo.variant == VariantKnightmate)
9398 king += (int) WhiteUnicorn - (int) WhiteKing;
9399 if(forwardMostMove == 0) {
9400 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9401 fprintf(serverMoves, "%s;", UserName());
9402 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9403 fprintf(serverMoves, "%s;", second.tidy);
9404 fprintf(serverMoves, "%s;", first.tidy);
9405 if(gameMode == MachinePlaysWhite)
9406 fprintf(serverMoves, "%s;", UserName());
9407 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9408 fprintf(serverMoves, "%s;", second.tidy);
9409 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9410 lastLoadFlag = loadFlag;
9412 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9413 // print castling suffix
9414 if( toY == fromY && piece == king ) {
9416 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9418 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9421 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9422 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9423 boards[forwardMostMove][toY][toX] == EmptySquare
9424 && fromX != toX && fromY != toY)
9425 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9427 if(promoChar != NULLCHAR)
9428 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9430 char buf[MOVE_LEN*2], *p; int len;
9431 fprintf(serverMoves, "/%d/%d",
9432 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9433 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9434 else timeLeft = blackTimeRemaining/1000;
9435 fprintf(serverMoves, "/%d", timeLeft);
9436 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9437 if(p = strchr(buf, '=')) *p = NULLCHAR;
9438 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9439 fprintf(serverMoves, "/%s", buf);
9441 fflush(serverMoves);
9444 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9445 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9448 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9449 if (commentList[forwardMostMove+1] != NULL) {
9450 free(commentList[forwardMostMove+1]);
9451 commentList[forwardMostMove+1] = NULL;
9453 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9454 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9455 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9456 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9457 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9458 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9459 adjustedClock = FALSE;
9460 gameInfo.result = GameUnfinished;
9461 if (gameInfo.resultDetails != NULL) {
9462 free(gameInfo.resultDetails);
9463 gameInfo.resultDetails = NULL;
9465 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9466 moveList[forwardMostMove - 1]);
9467 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9473 if(gameInfo.variant != VariantShogi)
9474 strcat(parseList[forwardMostMove - 1], "+");
9478 strcat(parseList[forwardMostMove - 1], "#");
9481 if (appData.debugMode) {
9482 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9487 /* Updates currentMove if not pausing */
9489 ShowMove(fromX, fromY, toX, toY)
9491 int instant = (gameMode == PlayFromGameFile) ?
9492 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9493 if(appData.noGUI) return;
9494 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9496 if (forwardMostMove == currentMove + 1) {
9497 AnimateMove(boards[forwardMostMove - 1],
9498 fromX, fromY, toX, toY);
9500 if (appData.highlightLastMove) {
9501 SetHighlights(fromX, fromY, toX, toY);
9504 currentMove = forwardMostMove;
9507 if (instant) return;
9509 DisplayMove(currentMove - 1);
9510 DrawPosition(FALSE, boards[currentMove]);
9511 DisplayBothClocks();
9512 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9515 void SendEgtPath(ChessProgramState *cps)
9516 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9517 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9519 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9522 char c, *q = name+1, *r, *s;
9524 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9525 while(*p && *p != ',') *q++ = *p++;
9527 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9528 strcmp(name, ",nalimov:") == 0 ) {
9529 // take nalimov path from the menu-changeable option first, if it is defined
9530 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9531 SendToProgram(buf,cps); // send egtbpath command for nalimov
9533 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9534 (s = StrStr(appData.egtFormats, name)) != NULL) {
9535 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9536 s = r = StrStr(s, ":") + 1; // beginning of path info
9537 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9538 c = *r; *r = 0; // temporarily null-terminate path info
9539 *--q = 0; // strip of trailig ':' from name
9540 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9542 SendToProgram(buf,cps); // send egtbpath command for this format
9544 if(*p == ',') p++; // read away comma to position for next format name
9549 InitChessProgram(cps, setup)
9550 ChessProgramState *cps;
9551 int setup; /* [HGM] needed to setup FRC opening position */
9553 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9554 if (appData.noChessProgram) return;
9555 hintRequested = FALSE;
9556 bookRequested = FALSE;
9558 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9559 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9560 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9561 if(cps->memSize) { /* [HGM] memory */
9562 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9563 SendToProgram(buf, cps);
9565 SendEgtPath(cps); /* [HGM] EGT */
9566 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9567 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9568 SendToProgram(buf, cps);
9571 SendToProgram(cps->initString, cps);
9572 if (gameInfo.variant != VariantNormal &&
9573 gameInfo.variant != VariantLoadable
9574 /* [HGM] also send variant if board size non-standard */
9575 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9577 char *v = VariantName(gameInfo.variant);
9578 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9579 /* [HGM] in protocol 1 we have to assume all variants valid */
9580 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9581 DisplayFatalError(buf, 0, 1);
9585 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9586 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9587 if( gameInfo.variant == VariantXiangqi )
9588 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9589 if( gameInfo.variant == VariantShogi )
9590 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9591 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9592 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9593 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9594 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9595 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9596 if( gameInfo.variant == VariantCourier )
9597 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9598 if( gameInfo.variant == VariantSuper )
9599 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9600 if( gameInfo.variant == VariantGreat )
9601 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9602 if( gameInfo.variant == VariantSChess )
9603 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9604 if( gameInfo.variant == VariantGrand )
9605 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9608 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9609 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9610 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9611 if(StrStr(cps->variants, b) == NULL) {
9612 // specific sized variant not known, check if general sizing allowed
9613 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9614 if(StrStr(cps->variants, "boardsize") == NULL) {
9615 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9616 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9617 DisplayFatalError(buf, 0, 1);
9620 /* [HGM] here we really should compare with the maximum supported board size */
9623 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9624 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9625 SendToProgram(buf, cps);
9627 currentlyInitializedVariant = gameInfo.variant;
9629 /* [HGM] send opening position in FRC to first engine */
9631 SendToProgram("force\n", cps);
9633 /* engine is now in force mode! Set flag to wake it up after first move. */
9634 setboardSpoiledMachineBlack = 1;
9638 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9639 SendToProgram(buf, cps);
9641 cps->maybeThinking = FALSE;
9642 cps->offeredDraw = 0;
9643 if (!appData.icsActive) {
9644 SendTimeControl(cps, movesPerSession, timeControl,
9645 timeIncrement, appData.searchDepth,
9648 if (appData.showThinking
9649 // [HGM] thinking: four options require thinking output to be sent
9650 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9652 SendToProgram("post\n", cps);
9654 SendToProgram("hard\n", cps);
9655 if (!appData.ponderNextMove) {
9656 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9657 it without being sure what state we are in first. "hard"
9658 is not a toggle, so that one is OK.
9660 SendToProgram("easy\n", cps);
9663 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9664 SendToProgram(buf, cps);
9666 cps->initDone = TRUE;
9667 ClearEngineOutputPane(cps == &second);
9672 StartChessProgram(cps)
9673 ChessProgramState *cps;
9678 if (appData.noChessProgram) return;
9679 cps->initDone = FALSE;
9681 if (strcmp(cps->host, "localhost") == 0) {
9682 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9683 } else if (*appData.remoteShell == NULLCHAR) {
9684 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9686 if (*appData.remoteUser == NULLCHAR) {
9687 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9690 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9691 cps->host, appData.remoteUser, cps->program);
9693 err = StartChildProcess(buf, "", &cps->pr);
9697 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9698 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9699 if(cps != &first) return;
9700 appData.noChessProgram = TRUE;
9703 // DisplayFatalError(buf, err, 1);
9704 // cps->pr = NoProc;
9709 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9710 if (cps->protocolVersion > 1) {
9711 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9712 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9713 cps->comboCnt = 0; // and values of combo boxes
9714 SendToProgram(buf, cps);
9716 SendToProgram("xboard\n", cps);
9721 TwoMachinesEventIfReady P((void))
9723 static int curMess = 0;
9724 if (first.lastPing != first.lastPong) {
9725 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9726 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9729 if (second.lastPing != second.lastPong) {
9730 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9731 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9734 DisplayMessage("", ""); curMess = 0;
9740 MakeName(char *template)
9744 static char buf[MSG_SIZ];
9748 clock = time((time_t *)NULL);
9749 tm = localtime(&clock);
9751 while(*p++ = *template++) if(p[-1] == '%') {
9752 switch(*template++) {
9753 case 0: *p = 0; return buf;
9754 case 'Y': i = tm->tm_year+1900; break;
9755 case 'y': i = tm->tm_year-100; break;
9756 case 'M': i = tm->tm_mon+1; break;
9757 case 'd': i = tm->tm_mday; break;
9758 case 'h': i = tm->tm_hour; break;
9759 case 'm': i = tm->tm_min; break;
9760 case 's': i = tm->tm_sec; break;
9763 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9769 CountPlayers(char *p)
9772 while(p = strchr(p, '\n')) p++, n++; // count participants
9777 WriteTourneyFile(char *results, FILE *f)
9778 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9779 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9780 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9781 // create a file with tournament description
9782 fprintf(f, "-participants {%s}\n", appData.participants);
9783 fprintf(f, "-seedBase %d\n", appData.seedBase);
9784 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9785 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9786 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9787 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9788 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9789 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9790 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9791 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9792 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9793 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9794 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9795 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9797 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9799 fprintf(f, "-mps %d\n", appData.movesPerSession);
9800 fprintf(f, "-tc %s\n", appData.timeControl);
9801 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9803 fprintf(f, "-results \"%s\"\n", results);
9808 #define MAXENGINES 1000
9809 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9811 void Substitute(char *participants, int expunge)
9813 int i, changed, changes=0, nPlayers=0;
9814 char *p, *q, *r, buf[MSG_SIZ];
9815 if(participants == NULL) return;
9816 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9817 r = p = participants; q = appData.participants;
9818 while(*p && *p == *q) {
9819 if(*p == '\n') r = p+1, nPlayers++;
9822 if(*p) { // difference
9823 while(*p && *p++ != '\n');
9824 while(*q && *q++ != '\n');
9826 changes = 1 + (strcmp(p, q) != 0);
9828 if(changes == 1) { // a single engine mnemonic was changed
9829 q = r; while(*q) nPlayers += (*q++ == '\n');
9830 p = buf; while(*r && (*p = *r++) != '\n') p++;
9832 NamesToList(firstChessProgramNames, command, mnemonic);
9833 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9834 if(mnemonic[i]) { // The substitute is valid
9836 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9837 flock(fileno(f), LOCK_EX);
9838 ParseArgsFromFile(f);
9839 fseek(f, 0, SEEK_SET);
9840 FREE(appData.participants); appData.participants = participants;
9841 if(expunge) { // erase results of replaced engine
9842 int len = strlen(appData.results), w, b, dummy;
9843 for(i=0; i<len; i++) {
9844 Pairing(i, nPlayers, &w, &b, &dummy);
9845 if((w == changed || b == changed) && appData.results[i] == '*') {
9846 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9851 for(i=0; i<len; i++) {
9852 Pairing(i, nPlayers, &w, &b, &dummy);
9853 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9856 WriteTourneyFile(appData.results, f);
9857 fclose(f); // release lock
9860 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9862 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9863 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9869 CreateTourney(char *name)
9872 if(matchMode && strcmp(name, appData.tourneyFile)) {
9873 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9875 if(name[0] == NULLCHAR) {
9876 if(appData.participants[0])
9877 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9880 f = fopen(name, "r");
9881 if(f) { // file exists
9882 ASSIGN(appData.tourneyFile, name);
9883 ParseArgsFromFile(f); // parse it
9885 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9886 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9887 DisplayError(_("Not enough participants"), 0);
9890 ASSIGN(appData.tourneyFile, name);
9891 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9892 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9895 appData.noChessProgram = FALSE;
9896 appData.clockMode = TRUE;
9901 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9903 char buf[MSG_SIZ], *p, *q;
9907 while(*p && *p != '\n') *q++ = *p++;
9909 if(engineList[i]) free(engineList[i]);
9910 engineList[i] = strdup(buf);
9912 TidyProgramName(engineList[i], "localhost", buf);
9913 if(engineMnemonic[i]) free(engineMnemonic[i]);
9914 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9916 sscanf(q + 8, "%s", buf + strlen(buf));
9919 engineMnemonic[i] = strdup(buf);
9921 if(i > MAXENGINES - 2) break;
9923 engineList[i] = engineMnemonic[i] = NULL;
9926 // following implemented as macro to avoid type limitations
9927 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9929 void SwapEngines(int n)
9930 { // swap settings for first engine and other engine (so far only some selected options)
9935 SWAP(chessProgram, p)
9937 SWAP(hasOwnBookUCI, h)
9938 SWAP(protocolVersion, h)
9940 SWAP(scoreIsAbsolute, h)
9949 SetPlayer(int player)
9950 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9952 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9953 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9954 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9955 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9957 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9958 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9959 appData.firstHasOwnBookUCI = !appData.defNoBook;
9960 ParseArgsFromString(buf);
9966 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9967 { // determine players from game number
9968 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9970 if(appData.tourneyType == 0) {
9971 roundsPerCycle = (nPlayers - 1) | 1;
9972 pairingsPerRound = nPlayers / 2;
9973 } else if(appData.tourneyType > 0) {
9974 roundsPerCycle = nPlayers - appData.tourneyType;
9975 pairingsPerRound = appData.tourneyType;
9977 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9978 gamesPerCycle = gamesPerRound * roundsPerCycle;
9979 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9980 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9981 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9982 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9983 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9984 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9986 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9987 if(appData.roundSync) *syncInterval = gamesPerRound;
9989 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9991 if(appData.tourneyType == 0) {
9992 if(curPairing == (nPlayers-1)/2 ) {
9993 *whitePlayer = curRound;
9994 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9996 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9997 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9998 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9999 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10001 } else if(appData.tourneyType > 0) {
10002 *whitePlayer = curPairing;
10003 *blackPlayer = curRound + appData.tourneyType;
10006 // take care of white/black alternation per round.
10007 // For cycles and games this is already taken care of by default, derived from matchGame!
10008 return curRound & 1;
10012 NextTourneyGame(int nr, int *swapColors)
10013 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10015 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10017 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10018 tf = fopen(appData.tourneyFile, "r");
10019 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10020 ParseArgsFromFile(tf); fclose(tf);
10021 InitTimeControls(); // TC might be altered from tourney file
10023 nPlayers = CountPlayers(appData.participants); // count participants
10024 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10025 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10028 p = q = appData.results;
10029 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10030 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10031 DisplayMessage(_("Waiting for other game(s)"),"");
10032 waitingForGame = TRUE;
10033 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10036 waitingForGame = FALSE;
10039 if(appData.tourneyType < 0) {
10040 if(nr>=0 && !pairingReceived) {
10042 if(pairing.pr == NoProc) {
10043 if(!appData.pairingEngine[0]) {
10044 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10047 StartChessProgram(&pairing); // starts the pairing engine
10049 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10050 SendToProgram(buf, &pairing);
10051 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10052 SendToProgram(buf, &pairing);
10053 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10055 pairingReceived = 0; // ... so we continue here
10057 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10058 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10059 matchGame = 1; roundNr = nr / syncInterval + 1;
10062 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10064 // redefine engines, engine dir, etc.
10065 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10066 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10068 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10069 SwapEngines(1); // and make that valid for second engine by swapping
10070 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10071 InitEngine(&second, 1);
10072 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10073 UpdateLogos(FALSE); // leave display to ModeHiglight()
10079 { // performs game initialization that does not invoke engines, and then tries to start the game
10080 int res, firstWhite, swapColors = 0;
10081 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10082 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10083 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10084 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10085 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10086 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10087 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10088 Reset(FALSE, first.pr != NoProc);
10089 res = LoadGameOrPosition(matchGame); // setup game
10090 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10091 if(!res) return; // abort when bad game/pos file
10092 TwoMachinesEvent();
10095 void UserAdjudicationEvent( int result )
10097 ChessMove gameResult = GameIsDrawn;
10100 gameResult = WhiteWins;
10102 else if( result < 0 ) {
10103 gameResult = BlackWins;
10106 if( gameMode == TwoMachinesPlay ) {
10107 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10112 // [HGM] save: calculate checksum of game to make games easily identifiable
10113 int StringCheckSum(char *s)
10116 if(s==NULL) return 0;
10117 while(*s) i = i*259 + *s++;
10124 for(i=backwardMostMove; i<forwardMostMove; i++) {
10125 sum += pvInfoList[i].depth;
10126 sum += StringCheckSum(parseList[i]);
10127 sum += StringCheckSum(commentList[i]);
10130 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10131 return sum + StringCheckSum(commentList[i]);
10132 } // end of save patch
10135 GameEnds(result, resultDetails, whosays)
10137 char *resultDetails;
10140 GameMode nextGameMode;
10142 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10144 if(endingGame) return; /* [HGM] crash: forbid recursion */
10146 if(twoBoards) { // [HGM] dual: switch back to one board
10147 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10148 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10150 if (appData.debugMode) {
10151 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10152 result, resultDetails ? resultDetails : "(null)", whosays);
10155 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10157 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10158 /* If we are playing on ICS, the server decides when the
10159 game is over, but the engine can offer to draw, claim
10163 if (appData.zippyPlay && first.initDone) {
10164 if (result == GameIsDrawn) {
10165 /* In case draw still needs to be claimed */
10166 SendToICS(ics_prefix);
10167 SendToICS("draw\n");
10168 } else if (StrCaseStr(resultDetails, "resign")) {
10169 SendToICS(ics_prefix);
10170 SendToICS("resign\n");
10174 endingGame = 0; /* [HGM] crash */
10178 /* If we're loading the game from a file, stop */
10179 if (whosays == GE_FILE) {
10180 (void) StopLoadGameTimer();
10184 /* Cancel draw offers */
10185 first.offeredDraw = second.offeredDraw = 0;
10187 /* If this is an ICS game, only ICS can really say it's done;
10188 if not, anyone can. */
10189 isIcsGame = (gameMode == IcsPlayingWhite ||
10190 gameMode == IcsPlayingBlack ||
10191 gameMode == IcsObserving ||
10192 gameMode == IcsExamining);
10194 if (!isIcsGame || whosays == GE_ICS) {
10195 /* OK -- not an ICS game, or ICS said it was done */
10197 if (!isIcsGame && !appData.noChessProgram)
10198 SetUserThinkingEnables();
10200 /* [HGM] if a machine claims the game end we verify this claim */
10201 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10202 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10204 ChessMove trueResult = (ChessMove) -1;
10206 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10207 first.twoMachinesColor[0] :
10208 second.twoMachinesColor[0] ;
10210 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10211 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10212 /* [HGM] verify: engine mate claims accepted if they were flagged */
10213 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10215 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10216 /* [HGM] verify: engine mate claims accepted if they were flagged */
10217 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10219 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10220 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10223 // now verify win claims, but not in drop games, as we don't understand those yet
10224 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10225 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10226 (result == WhiteWins && claimer == 'w' ||
10227 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10228 if (appData.debugMode) {
10229 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10230 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10232 if(result != trueResult) {
10233 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10234 result = claimer == 'w' ? BlackWins : WhiteWins;
10235 resultDetails = buf;
10238 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10239 && (forwardMostMove <= backwardMostMove ||
10240 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10241 (claimer=='b')==(forwardMostMove&1))
10243 /* [HGM] verify: draws that were not flagged are false claims */
10244 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10245 result = claimer == 'w' ? BlackWins : WhiteWins;
10246 resultDetails = buf;
10248 /* (Claiming a loss is accepted no questions asked!) */
10250 /* [HGM] bare: don't allow bare King to win */
10251 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10252 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10253 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10254 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10255 && result != GameIsDrawn)
10256 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10257 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10258 int p = (signed char)boards[forwardMostMove][i][j] - color;
10259 if(p >= 0 && p <= (int)WhiteKing) k++;
10261 if (appData.debugMode) {
10262 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10263 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10266 result = GameIsDrawn;
10267 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10268 resultDetails = buf;
10274 if(serverMoves != NULL && !loadFlag) { char c = '=';
10275 if(result==WhiteWins) c = '+';
10276 if(result==BlackWins) c = '-';
10277 if(resultDetails != NULL)
10278 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10280 if (resultDetails != NULL) {
10281 gameInfo.result = result;
10282 gameInfo.resultDetails = StrSave(resultDetails);
10284 /* display last move only if game was not loaded from file */
10285 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10286 DisplayMove(currentMove - 1);
10288 if (forwardMostMove != 0) {
10289 if (gameMode != PlayFromGameFile && gameMode != EditGame
10290 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10292 if (*appData.saveGameFile != NULLCHAR) {
10293 SaveGameToFile(appData.saveGameFile, TRUE);
10294 } else if (appData.autoSaveGames) {
10297 if (*appData.savePositionFile != NULLCHAR) {
10298 SavePositionToFile(appData.savePositionFile);
10303 /* Tell program how game ended in case it is learning */
10304 /* [HGM] Moved this to after saving the PGN, just in case */
10305 /* engine died and we got here through time loss. In that */
10306 /* case we will get a fatal error writing the pipe, which */
10307 /* would otherwise lose us the PGN. */
10308 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10309 /* output during GameEnds should never be fatal anymore */
10310 if (gameMode == MachinePlaysWhite ||
10311 gameMode == MachinePlaysBlack ||
10312 gameMode == TwoMachinesPlay ||
10313 gameMode == IcsPlayingWhite ||
10314 gameMode == IcsPlayingBlack ||
10315 gameMode == BeginningOfGame) {
10317 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10319 if (first.pr != NoProc) {
10320 SendToProgram(buf, &first);
10322 if (second.pr != NoProc &&
10323 gameMode == TwoMachinesPlay) {
10324 SendToProgram(buf, &second);
10329 if (appData.icsActive) {
10330 if (appData.quietPlay &&
10331 (gameMode == IcsPlayingWhite ||
10332 gameMode == IcsPlayingBlack)) {
10333 SendToICS(ics_prefix);
10334 SendToICS("set shout 1\n");
10336 nextGameMode = IcsIdle;
10337 ics_user_moved = FALSE;
10338 /* clean up premove. It's ugly when the game has ended and the
10339 * premove highlights are still on the board.
10342 gotPremove = FALSE;
10343 ClearPremoveHighlights();
10344 DrawPosition(FALSE, boards[currentMove]);
10346 if (whosays == GE_ICS) {
10349 if (gameMode == IcsPlayingWhite)
10351 else if(gameMode == IcsPlayingBlack)
10352 PlayIcsLossSound();
10355 if (gameMode == IcsPlayingBlack)
10357 else if(gameMode == IcsPlayingWhite)
10358 PlayIcsLossSound();
10361 PlayIcsDrawSound();
10364 PlayIcsUnfinishedSound();
10367 } else if (gameMode == EditGame ||
10368 gameMode == PlayFromGameFile ||
10369 gameMode == AnalyzeMode ||
10370 gameMode == AnalyzeFile) {
10371 nextGameMode = gameMode;
10373 nextGameMode = EndOfGame;
10378 nextGameMode = gameMode;
10381 if (appData.noChessProgram) {
10382 gameMode = nextGameMode;
10384 endingGame = 0; /* [HGM] crash */
10389 /* Put first chess program into idle state */
10390 if (first.pr != NoProc &&
10391 (gameMode == MachinePlaysWhite ||
10392 gameMode == MachinePlaysBlack ||
10393 gameMode == TwoMachinesPlay ||
10394 gameMode == IcsPlayingWhite ||
10395 gameMode == IcsPlayingBlack ||
10396 gameMode == BeginningOfGame)) {
10397 SendToProgram("force\n", &first);
10398 if (first.usePing) {
10400 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10401 SendToProgram(buf, &first);
10404 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10405 /* Kill off first chess program */
10406 if (first.isr != NULL)
10407 RemoveInputSource(first.isr);
10410 if (first.pr != NoProc) {
10412 DoSleep( appData.delayBeforeQuit );
10413 SendToProgram("quit\n", &first);
10414 DoSleep( appData.delayAfterQuit );
10415 DestroyChildProcess(first.pr, first.useSigterm);
10419 if (second.reuse) {
10420 /* Put second chess program into idle state */
10421 if (second.pr != NoProc &&
10422 gameMode == TwoMachinesPlay) {
10423 SendToProgram("force\n", &second);
10424 if (second.usePing) {
10426 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10427 SendToProgram(buf, &second);
10430 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10431 /* Kill off second chess program */
10432 if (second.isr != NULL)
10433 RemoveInputSource(second.isr);
10436 if (second.pr != NoProc) {
10437 DoSleep( appData.delayBeforeQuit );
10438 SendToProgram("quit\n", &second);
10439 DoSleep( appData.delayAfterQuit );
10440 DestroyChildProcess(second.pr, second.useSigterm);
10442 second.pr = NoProc;
10445 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10446 char resChar = '=';
10450 if (first.twoMachinesColor[0] == 'w') {
10453 second.matchWins++;
10458 if (first.twoMachinesColor[0] == 'b') {
10461 second.matchWins++;
10464 case GameUnfinished:
10470 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10471 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10472 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10473 ReserveGame(nextGame, resChar); // sets nextGame
10474 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10475 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10476 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10478 if (nextGame <= appData.matchGames && !abortMatch) {
10479 gameMode = nextGameMode;
10480 matchGame = nextGame; // this will be overruled in tourney mode!
10481 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10482 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10483 endingGame = 0; /* [HGM] crash */
10486 gameMode = nextGameMode;
10487 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10488 first.tidy, second.tidy,
10489 first.matchWins, second.matchWins,
10490 appData.matchGames - (first.matchWins + second.matchWins));
10491 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10492 if(strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10493 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10494 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10495 first.twoMachinesColor = "black\n";
10496 second.twoMachinesColor = "white\n";
10498 first.twoMachinesColor = "white\n";
10499 second.twoMachinesColor = "black\n";
10503 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10504 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10506 gameMode = nextGameMode;
10508 endingGame = 0; /* [HGM] crash */
10509 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10510 if(matchMode == TRUE) { // match through command line: exit with or without popup
10512 ToNrEvent(forwardMostMove);
10513 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10515 } else DisplayFatalError(buf, 0, 0);
10516 } else { // match through menu; just stop, with or without popup
10517 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10520 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10521 } else DisplayNote(buf);
10523 if(ranking) free(ranking);
10527 /* Assumes program was just initialized (initString sent).
10528 Leaves program in force mode. */
10530 FeedMovesToProgram(cps, upto)
10531 ChessProgramState *cps;
10536 if (appData.debugMode)
10537 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10538 startedFromSetupPosition ? "position and " : "",
10539 backwardMostMove, upto, cps->which);
10540 if(currentlyInitializedVariant != gameInfo.variant) {
10542 // [HGM] variantswitch: make engine aware of new variant
10543 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10544 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10545 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10546 SendToProgram(buf, cps);
10547 currentlyInitializedVariant = gameInfo.variant;
10549 SendToProgram("force\n", cps);
10550 if (startedFromSetupPosition) {
10551 SendBoard(cps, backwardMostMove);
10552 if (appData.debugMode) {
10553 fprintf(debugFP, "feedMoves\n");
10556 for (i = backwardMostMove; i < upto; i++) {
10557 SendMoveToProgram(i, cps);
10563 ResurrectChessProgram()
10565 /* The chess program may have exited.
10566 If so, restart it and feed it all the moves made so far. */
10567 static int doInit = 0;
10569 if (appData.noChessProgram) return 1;
10571 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10572 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10573 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10574 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10576 if (first.pr != NoProc) return 1;
10577 StartChessProgram(&first);
10579 InitChessProgram(&first, FALSE);
10580 FeedMovesToProgram(&first, currentMove);
10582 if (!first.sendTime) {
10583 /* can't tell gnuchess what its clock should read,
10584 so we bow to its notion. */
10586 timeRemaining[0][currentMove] = whiteTimeRemaining;
10587 timeRemaining[1][currentMove] = blackTimeRemaining;
10590 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10591 appData.icsEngineAnalyze) && first.analysisSupport) {
10592 SendToProgram("analyze\n", &first);
10593 first.analyzing = TRUE;
10599 * Button procedures
10602 Reset(redraw, init)
10607 if (appData.debugMode) {
10608 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10609 redraw, init, gameMode);
10611 CleanupTail(); // [HGM] vari: delete any stored variations
10612 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10613 pausing = pauseExamInvalid = FALSE;
10614 startedFromSetupPosition = blackPlaysFirst = FALSE;
10616 whiteFlag = blackFlag = FALSE;
10617 userOfferedDraw = FALSE;
10618 hintRequested = bookRequested = FALSE;
10619 first.maybeThinking = FALSE;
10620 second.maybeThinking = FALSE;
10621 first.bookSuspend = FALSE; // [HGM] book
10622 second.bookSuspend = FALSE;
10623 thinkOutput[0] = NULLCHAR;
10624 lastHint[0] = NULLCHAR;
10625 ClearGameInfo(&gameInfo);
10626 gameInfo.variant = StringToVariant(appData.variant);
10627 ics_user_moved = ics_clock_paused = FALSE;
10628 ics_getting_history = H_FALSE;
10630 white_holding[0] = black_holding[0] = NULLCHAR;
10631 ClearProgramStats();
10632 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10636 flipView = appData.flipView;
10637 ClearPremoveHighlights();
10638 gotPremove = FALSE;
10639 alarmSounded = FALSE;
10641 GameEnds(EndOfFile, NULL, GE_PLAYER);
10642 if(appData.serverMovesName != NULL) {
10643 /* [HGM] prepare to make moves file for broadcasting */
10644 clock_t t = clock();
10645 if(serverMoves != NULL) fclose(serverMoves);
10646 serverMoves = fopen(appData.serverMovesName, "r");
10647 if(serverMoves != NULL) {
10648 fclose(serverMoves);
10649 /* delay 15 sec before overwriting, so all clients can see end */
10650 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10652 serverMoves = fopen(appData.serverMovesName, "w");
10656 gameMode = BeginningOfGame;
10658 if(appData.icsActive) gameInfo.variant = VariantNormal;
10659 currentMove = forwardMostMove = backwardMostMove = 0;
10660 InitPosition(redraw);
10661 for (i = 0; i < MAX_MOVES; i++) {
10662 if (commentList[i] != NULL) {
10663 free(commentList[i]);
10664 commentList[i] = NULL;
10668 timeRemaining[0][0] = whiteTimeRemaining;
10669 timeRemaining[1][0] = blackTimeRemaining;
10671 if (first.pr == NoProc) {
10672 StartChessProgram(&first);
10675 InitChessProgram(&first, startedFromSetupPosition);
10678 DisplayMessage("", "");
10679 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10680 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10687 if (!AutoPlayOneMove())
10689 if (matchMode || appData.timeDelay == 0)
10691 if (appData.timeDelay < 0)
10693 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10702 int fromX, fromY, toX, toY;
10704 if (appData.debugMode) {
10705 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10708 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10711 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10712 pvInfoList[currentMove].depth = programStats.depth;
10713 pvInfoList[currentMove].score = programStats.score;
10714 pvInfoList[currentMove].time = 0;
10715 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10718 if (currentMove >= forwardMostMove) {
10719 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10720 // gameMode = EndOfGame;
10721 // ModeHighlight();
10723 /* [AS] Clear current move marker at the end of a game */
10724 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10729 toX = moveList[currentMove][2] - AAA;
10730 toY = moveList[currentMove][3] - ONE;
10732 if (moveList[currentMove][1] == '@') {
10733 if (appData.highlightLastMove) {
10734 SetHighlights(-1, -1, toX, toY);
10737 fromX = moveList[currentMove][0] - AAA;
10738 fromY = moveList[currentMove][1] - ONE;
10740 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10742 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10744 if (appData.highlightLastMove) {
10745 SetHighlights(fromX, fromY, toX, toY);
10748 DisplayMove(currentMove);
10749 SendMoveToProgram(currentMove++, &first);
10750 DisplayBothClocks();
10751 DrawPosition(FALSE, boards[currentMove]);
10752 // [HGM] PV info: always display, routine tests if empty
10753 DisplayComment(currentMove - 1, commentList[currentMove]);
10759 LoadGameOneMove(readAhead)
10760 ChessMove readAhead;
10762 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10763 char promoChar = NULLCHAR;
10764 ChessMove moveType;
10765 char move[MSG_SIZ];
10768 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10769 gameMode != AnalyzeMode && gameMode != Training) {
10774 yyboardindex = forwardMostMove;
10775 if (readAhead != EndOfFile) {
10776 moveType = readAhead;
10778 if (gameFileFP == NULL)
10780 moveType = (ChessMove) Myylex();
10784 switch (moveType) {
10786 if (appData.debugMode)
10787 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10790 /* append the comment but don't display it */
10791 AppendComment(currentMove, p, FALSE);
10794 case WhiteCapturesEnPassant:
10795 case BlackCapturesEnPassant:
10796 case WhitePromotion:
10797 case BlackPromotion:
10798 case WhiteNonPromotion:
10799 case BlackNonPromotion:
10801 case WhiteKingSideCastle:
10802 case WhiteQueenSideCastle:
10803 case BlackKingSideCastle:
10804 case BlackQueenSideCastle:
10805 case WhiteKingSideCastleWild:
10806 case WhiteQueenSideCastleWild:
10807 case BlackKingSideCastleWild:
10808 case BlackQueenSideCastleWild:
10810 case WhiteHSideCastleFR:
10811 case WhiteASideCastleFR:
10812 case BlackHSideCastleFR:
10813 case BlackASideCastleFR:
10815 if (appData.debugMode)
10816 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10817 fromX = currentMoveString[0] - AAA;
10818 fromY = currentMoveString[1] - ONE;
10819 toX = currentMoveString[2] - AAA;
10820 toY = currentMoveString[3] - ONE;
10821 promoChar = currentMoveString[4];
10826 if (appData.debugMode)
10827 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10828 fromX = moveType == WhiteDrop ?
10829 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10830 (int) CharToPiece(ToLower(currentMoveString[0]));
10832 toX = currentMoveString[2] - AAA;
10833 toY = currentMoveString[3] - ONE;
10839 case GameUnfinished:
10840 if (appData.debugMode)
10841 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10842 p = strchr(yy_text, '{');
10843 if (p == NULL) p = strchr(yy_text, '(');
10846 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10848 q = strchr(p, *p == '{' ? '}' : ')');
10849 if (q != NULL) *q = NULLCHAR;
10852 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10853 GameEnds(moveType, p, GE_FILE);
10855 if (cmailMsgLoaded) {
10857 flipView = WhiteOnMove(currentMove);
10858 if (moveType == GameUnfinished) flipView = !flipView;
10859 if (appData.debugMode)
10860 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10865 if (appData.debugMode)
10866 fprintf(debugFP, "Parser hit end of file\n");
10867 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10873 if (WhiteOnMove(currentMove)) {
10874 GameEnds(BlackWins, "Black mates", GE_FILE);
10876 GameEnds(WhiteWins, "White mates", GE_FILE);
10880 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10886 case MoveNumberOne:
10887 if (lastLoadGameStart == GNUChessGame) {
10888 /* GNUChessGames have numbers, but they aren't move numbers */
10889 if (appData.debugMode)
10890 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10891 yy_text, (int) moveType);
10892 return LoadGameOneMove(EndOfFile); /* tail recursion */
10894 /* else fall thru */
10899 /* Reached start of next game in file */
10900 if (appData.debugMode)
10901 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10902 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10908 if (WhiteOnMove(currentMove)) {
10909 GameEnds(BlackWins, "Black mates", GE_FILE);
10911 GameEnds(WhiteWins, "White mates", GE_FILE);
10915 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10921 case PositionDiagram: /* should not happen; ignore */
10922 case ElapsedTime: /* ignore */
10923 case NAG: /* ignore */
10924 if (appData.debugMode)
10925 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10926 yy_text, (int) moveType);
10927 return LoadGameOneMove(EndOfFile); /* tail recursion */
10930 if (appData.testLegality) {
10931 if (appData.debugMode)
10932 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10933 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10934 (forwardMostMove / 2) + 1,
10935 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10936 DisplayError(move, 0);
10939 if (appData.debugMode)
10940 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10941 yy_text, currentMoveString);
10942 fromX = currentMoveString[0] - AAA;
10943 fromY = currentMoveString[1] - ONE;
10944 toX = currentMoveString[2] - AAA;
10945 toY = currentMoveString[3] - ONE;
10946 promoChar = currentMoveString[4];
10950 case AmbiguousMove:
10951 if (appData.debugMode)
10952 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10953 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10954 (forwardMostMove / 2) + 1,
10955 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10956 DisplayError(move, 0);
10961 case ImpossibleMove:
10962 if (appData.debugMode)
10963 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10964 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10965 (forwardMostMove / 2) + 1,
10966 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10967 DisplayError(move, 0);
10973 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10974 DrawPosition(FALSE, boards[currentMove]);
10975 DisplayBothClocks();
10976 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10977 DisplayComment(currentMove - 1, commentList[currentMove]);
10979 (void) StopLoadGameTimer();
10981 cmailOldMove = forwardMostMove;
10984 /* currentMoveString is set as a side-effect of yylex */
10986 thinkOutput[0] = NULLCHAR;
10987 MakeMove(fromX, fromY, toX, toY, promoChar);
10988 currentMove = forwardMostMove;
10993 /* Load the nth game from the given file */
10995 LoadGameFromFile(filename, n, title, useList)
10999 /*Boolean*/ int useList;
11004 if (strcmp(filename, "-") == 0) {
11008 f = fopen(filename, "rb");
11010 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11011 DisplayError(buf, errno);
11015 if (fseek(f, 0, 0) == -1) {
11016 /* f is not seekable; probably a pipe */
11019 if (useList && n == 0) {
11020 int error = GameListBuild(f);
11022 DisplayError(_("Cannot build game list"), error);
11023 } else if (!ListEmpty(&gameList) &&
11024 ((ListGame *) gameList.tailPred)->number > 1) {
11025 GameListPopUp(f, title);
11032 return LoadGame(f, n, title, FALSE);
11037 MakeRegisteredMove()
11039 int fromX, fromY, toX, toY;
11041 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11042 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11045 if (appData.debugMode)
11046 fprintf(debugFP, "Restoring %s for game %d\n",
11047 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11049 thinkOutput[0] = NULLCHAR;
11050 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11051 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11052 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11053 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11054 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11055 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11056 MakeMove(fromX, fromY, toX, toY, promoChar);
11057 ShowMove(fromX, fromY, toX, toY);
11059 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11066 if (WhiteOnMove(currentMove)) {
11067 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11069 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11074 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11081 if (WhiteOnMove(currentMove)) {
11082 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11084 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11089 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11100 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11102 CmailLoadGame(f, gameNumber, title, useList)
11110 if (gameNumber > nCmailGames) {
11111 DisplayError(_("No more games in this message"), 0);
11114 if (f == lastLoadGameFP) {
11115 int offset = gameNumber - lastLoadGameNumber;
11117 cmailMsg[0] = NULLCHAR;
11118 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11119 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11120 nCmailMovesRegistered--;
11122 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11123 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11124 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11127 if (! RegisterMove()) return FALSE;
11131 retVal = LoadGame(f, gameNumber, title, useList);
11133 /* Make move registered during previous look at this game, if any */
11134 MakeRegisteredMove();
11136 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11137 commentList[currentMove]
11138 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11139 DisplayComment(currentMove - 1, commentList[currentMove]);
11145 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11150 int gameNumber = lastLoadGameNumber + offset;
11151 if (lastLoadGameFP == NULL) {
11152 DisplayError(_("No game has been loaded yet"), 0);
11155 if (gameNumber <= 0) {
11156 DisplayError(_("Can't back up any further"), 0);
11159 if (cmailMsgLoaded) {
11160 return CmailLoadGame(lastLoadGameFP, gameNumber,
11161 lastLoadGameTitle, lastLoadGameUseList);
11163 return LoadGame(lastLoadGameFP, gameNumber,
11164 lastLoadGameTitle, lastLoadGameUseList);
11168 int keys[EmptySquare+1];
11171 PositionMatches(Board b1, Board b2)
11174 switch(appData.searchMode) {
11175 case 1: return CompareWithRights(b1, b2);
11177 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11178 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11182 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11183 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11184 sum += keys[b1[r][f]] - keys[b2[r][f]];
11188 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11189 sum += keys[b1[r][f]] - keys[b2[r][f]];
11201 int pieceList[256], quickBoard[256];
11202 ChessSquare pieceType[256] = { EmptySquare };
11203 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11204 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11205 int soughtTotal, turn;
11206 Boolean epOK, flipSearch;
11209 unsigned char piece, to;
11212 #define DSIZE (250000)
11214 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11215 Move *moveDatabase = initialSpace;
11216 unsigned int movePtr, dataSize = DSIZE;
11218 int MakePieceList(Board board, int *counts)
11220 int r, f, n=Q_PROMO, total=0;
11221 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11222 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11223 int sq = f + (r<<4);
11224 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11225 quickBoard[sq] = ++n;
11227 pieceType[n] = board[r][f];
11228 counts[board[r][f]]++;
11229 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11230 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11234 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11238 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11240 int sq = fromX + (fromY<<4);
11241 int piece = quickBoard[sq];
11242 quickBoard[sq] = 0;
11243 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11244 if(piece == pieceList[1] && 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;
11246 moveDatabase[movePtr++].piece = Q_WCASTL;
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(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11252 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11253 moveDatabase[movePtr++].piece = Q_BCASTL;
11254 quickBoard[sq] = piece;
11255 piece = quickBoard[from]; quickBoard[from] = 0;
11256 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11258 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11259 quickBoard[(fromY<<4)+toX] = 0;
11260 moveDatabase[movePtr].piece = Q_EP;
11261 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11262 moveDatabase[movePtr].to = sq;
11264 if(promoPiece != pieceType[piece]) {
11265 moveDatabase[movePtr++].piece = Q_PROMO;
11266 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11268 moveDatabase[movePtr].piece = piece;
11269 quickBoard[sq] = piece;
11273 int PackGame(Board board)
11275 Move *newSpace = NULL;
11276 moveDatabase[movePtr].piece = 0; // terminate previous game
11277 if(movePtr > dataSize) {
11278 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11279 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11280 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11283 Move *p = moveDatabase, *q = newSpace;
11284 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11285 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11286 moveDatabase = newSpace;
11287 } else { // calloc failed, we must be out of memory. Too bad...
11288 dataSize = 0; // prevent calloc events for all subsequent games
11289 return 0; // and signal this one isn't cached
11293 MakePieceList(board, counts);
11297 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11298 { // compare according to search mode
11300 switch(appData.searchMode)
11302 case 1: // exact position match
11303 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11304 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11305 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11308 case 2: // can have extra material on empty squares
11309 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11310 if(board[r][f] == EmptySquare) continue;
11311 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11314 case 3: // material with exact Pawn structure
11315 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11316 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11317 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11318 } // fall through to material comparison
11319 case 4: // exact material
11320 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11322 case 6: // material range with given imbalance
11323 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11324 // fall through to range comparison
11325 case 5: // material range
11326 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11331 int QuickScan(Board board, Move *move)
11332 { // reconstruct game,and compare all positions in it
11333 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11335 int piece = move->piece;
11336 int to = move->to, from = pieceList[piece];
11337 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11338 if(!piece) return -1;
11339 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11340 piece = (++move)->piece;
11341 from = pieceList[piece];
11342 counts[pieceType[piece]]--;
11343 pieceType[piece] = (ChessSquare) move->to;
11344 counts[move->to]++;
11345 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11346 counts[pieceType[quickBoard[to]]]--;
11347 quickBoard[to] = 0; total--;
11350 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11351 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11352 from = pieceList[piece]; // so this must be King
11353 quickBoard[from] = 0;
11354 quickBoard[to] = piece;
11355 pieceList[piece] = to;
11360 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11361 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11362 quickBoard[from] = 0;
11363 quickBoard[to] = piece;
11364 pieceList[piece] = to;
11366 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11367 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11368 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11369 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11371 static int lastCounts[EmptySquare+1];
11373 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11374 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11375 } else stretch = 0;
11376 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11384 flipSearch = FALSE;
11385 CopyBoard(soughtBoard, boards[currentMove]);
11386 soughtTotal = MakePieceList(soughtBoard, maxSought);
11387 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11388 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11389 CopyBoard(reverseBoard, boards[currentMove]);
11390 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11391 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11392 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11393 reverseBoard[r][f] = piece;
11395 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11396 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11397 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11398 || (boards[currentMove][CASTLING][2] == NoRights ||
11399 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11400 && (boards[currentMove][CASTLING][5] == NoRights ||
11401 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11404 CopyBoard(flipBoard, soughtBoard);
11405 CopyBoard(rotateBoard, reverseBoard);
11406 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11407 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11408 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11411 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11412 if(appData.searchMode >= 5) {
11413 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11414 MakePieceList(soughtBoard, minSought);
11415 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11417 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11418 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11421 GameInfo dummyInfo;
11423 int GameContainsPosition(FILE *f, ListGame *lg)
11425 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11426 int fromX, fromY, toX, toY;
11428 static int initDone=FALSE;
11430 // weed out games based on numerical tag comparison
11431 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11432 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11433 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11434 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11436 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11439 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11440 else CopyBoard(boards[scratch], initialPosition); // default start position
11443 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11444 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11447 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11448 fseek(f, lg->offset, 0);
11451 yyboardindex = scratch;
11452 quickFlag = plyNr+1;
11457 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11463 if(plyNr) return -1; // after we have seen moves, this is for new game
11466 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11467 case ImpossibleMove:
11468 case WhiteWins: // game ends here with these four
11471 case GameUnfinished:
11475 if(appData.testLegality) return -1;
11476 case WhiteCapturesEnPassant:
11477 case BlackCapturesEnPassant:
11478 case WhitePromotion:
11479 case BlackPromotion:
11480 case WhiteNonPromotion:
11481 case BlackNonPromotion:
11483 case WhiteKingSideCastle:
11484 case WhiteQueenSideCastle:
11485 case BlackKingSideCastle:
11486 case BlackQueenSideCastle:
11487 case WhiteKingSideCastleWild:
11488 case WhiteQueenSideCastleWild:
11489 case BlackKingSideCastleWild:
11490 case BlackQueenSideCastleWild:
11491 case WhiteHSideCastleFR:
11492 case WhiteASideCastleFR:
11493 case BlackHSideCastleFR:
11494 case BlackASideCastleFR:
11495 fromX = currentMoveString[0] - AAA;
11496 fromY = currentMoveString[1] - ONE;
11497 toX = currentMoveString[2] - AAA;
11498 toY = currentMoveString[3] - ONE;
11499 promoChar = currentMoveString[4];
11503 fromX = next == WhiteDrop ?
11504 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11505 (int) CharToPiece(ToLower(currentMoveString[0]));
11507 toX = currentMoveString[2] - AAA;
11508 toY = currentMoveString[3] - ONE;
11512 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11514 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11515 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11516 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11517 if(appData.findMirror) {
11518 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11519 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11524 /* Load the nth game from open file f */
11526 LoadGame(f, gameNumber, title, useList)
11534 int gn = gameNumber;
11535 ListGame *lg = NULL;
11536 int numPGNTags = 0;
11538 GameMode oldGameMode;
11539 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11541 if (appData.debugMode)
11542 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11544 if (gameMode == Training )
11545 SetTrainingModeOff();
11547 oldGameMode = gameMode;
11548 if (gameMode != BeginningOfGame) {
11549 Reset(FALSE, TRUE);
11553 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11554 fclose(lastLoadGameFP);
11558 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11561 fseek(f, lg->offset, 0);
11562 GameListHighlight(gameNumber);
11563 pos = lg->position;
11567 DisplayError(_("Game number out of range"), 0);
11572 if (fseek(f, 0, 0) == -1) {
11573 if (f == lastLoadGameFP ?
11574 gameNumber == lastLoadGameNumber + 1 :
11578 DisplayError(_("Can't seek on game file"), 0);
11583 lastLoadGameFP = f;
11584 lastLoadGameNumber = gameNumber;
11585 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11586 lastLoadGameUseList = useList;
11590 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11591 snprintf(buf, sizeof(buf), _("%s vs. %s"), lg->gameInfo.white,
11592 lg->gameInfo.black);
11594 } else if (*title != NULLCHAR) {
11595 if (gameNumber > 1) {
11596 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11599 DisplayTitle(title);
11603 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11604 gameMode = PlayFromGameFile;
11608 currentMove = forwardMostMove = backwardMostMove = 0;
11609 CopyBoard(boards[0], initialPosition);
11613 * Skip the first gn-1 games in the file.
11614 * Also skip over anything that precedes an identifiable
11615 * start of game marker, to avoid being confused by
11616 * garbage at the start of the file. Currently
11617 * recognized start of game markers are the move number "1",
11618 * the pattern "gnuchess .* game", the pattern
11619 * "^[#;%] [^ ]* game file", and a PGN tag block.
11620 * A game that starts with one of the latter two patterns
11621 * will also have a move number 1, possibly
11622 * following a position diagram.
11623 * 5-4-02: Let's try being more lenient and allowing a game to
11624 * start with an unnumbered move. Does that break anything?
11626 cm = lastLoadGameStart = EndOfFile;
11628 yyboardindex = forwardMostMove;
11629 cm = (ChessMove) Myylex();
11632 if (cmailMsgLoaded) {
11633 nCmailGames = CMAIL_MAX_GAMES - gn;
11636 DisplayError(_("Game not found in file"), 0);
11643 lastLoadGameStart = cm;
11646 case MoveNumberOne:
11647 switch (lastLoadGameStart) {
11652 case MoveNumberOne:
11654 gn--; /* count this game */
11655 lastLoadGameStart = cm;
11664 switch (lastLoadGameStart) {
11667 case MoveNumberOne:
11669 gn--; /* count this game */
11670 lastLoadGameStart = cm;
11673 lastLoadGameStart = cm; /* game counted already */
11681 yyboardindex = forwardMostMove;
11682 cm = (ChessMove) Myylex();
11683 } while (cm == PGNTag || cm == Comment);
11690 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11691 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11692 != CMAIL_OLD_RESULT) {
11694 cmailResult[ CMAIL_MAX_GAMES
11695 - gn - 1] = CMAIL_OLD_RESULT;
11701 /* Only a NormalMove can be at the start of a game
11702 * without a position diagram. */
11703 if (lastLoadGameStart == EndOfFile ) {
11705 lastLoadGameStart = MoveNumberOne;
11714 if (appData.debugMode)
11715 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11717 if (cm == XBoardGame) {
11718 /* Skip any header junk before position diagram and/or move 1 */
11720 yyboardindex = forwardMostMove;
11721 cm = (ChessMove) Myylex();
11723 if (cm == EndOfFile ||
11724 cm == GNUChessGame || cm == XBoardGame) {
11725 /* Empty game; pretend end-of-file and handle later */
11730 if (cm == MoveNumberOne || cm == PositionDiagram ||
11731 cm == PGNTag || cm == Comment)
11734 } else if (cm == GNUChessGame) {
11735 if (gameInfo.event != NULL) {
11736 free(gameInfo.event);
11738 gameInfo.event = StrSave(yy_text);
11741 startedFromSetupPosition = FALSE;
11742 while (cm == PGNTag) {
11743 if (appData.debugMode)
11744 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11745 err = ParsePGNTag(yy_text, &gameInfo);
11746 if (!err) numPGNTags++;
11748 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11749 if(gameInfo.variant != oldVariant) {
11750 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11751 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11752 InitPosition(TRUE);
11753 oldVariant = gameInfo.variant;
11754 if (appData.debugMode)
11755 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11759 if (gameInfo.fen != NULL) {
11760 Board initial_position;
11761 startedFromSetupPosition = TRUE;
11762 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11764 DisplayError(_("Bad FEN position in file"), 0);
11767 CopyBoard(boards[0], initial_position);
11768 if (blackPlaysFirst) {
11769 currentMove = forwardMostMove = backwardMostMove = 1;
11770 CopyBoard(boards[1], initial_position);
11771 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11772 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11773 timeRemaining[0][1] = whiteTimeRemaining;
11774 timeRemaining[1][1] = blackTimeRemaining;
11775 if (commentList[0] != NULL) {
11776 commentList[1] = commentList[0];
11777 commentList[0] = NULL;
11780 currentMove = forwardMostMove = backwardMostMove = 0;
11782 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11784 initialRulePlies = FENrulePlies;
11785 for( i=0; i< nrCastlingRights; i++ )
11786 initialRights[i] = initial_position[CASTLING][i];
11788 yyboardindex = forwardMostMove;
11789 free(gameInfo.fen);
11790 gameInfo.fen = NULL;
11793 yyboardindex = forwardMostMove;
11794 cm = (ChessMove) Myylex();
11796 /* Handle comments interspersed among the tags */
11797 while (cm == Comment) {
11799 if (appData.debugMode)
11800 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11802 AppendComment(currentMove, p, FALSE);
11803 yyboardindex = forwardMostMove;
11804 cm = (ChessMove) Myylex();
11808 /* don't rely on existence of Event tag since if game was
11809 * pasted from clipboard the Event tag may not exist
11811 if (numPGNTags > 0){
11813 if (gameInfo.variant == VariantNormal) {
11814 VariantClass v = StringToVariant(gameInfo.event);
11815 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11816 if(v < VariantShogi) gameInfo.variant = v;
11819 if( appData.autoDisplayTags ) {
11820 tags = PGNTags(&gameInfo);
11821 TagsPopUp(tags, CmailMsg());
11826 /* Make something up, but don't display it now */
11831 if (cm == PositionDiagram) {
11834 Board initial_position;
11836 if (appData.debugMode)
11837 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11839 if (!startedFromSetupPosition) {
11841 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11842 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11853 initial_position[i][j++] = CharToPiece(*p);
11856 while (*p == ' ' || *p == '\t' ||
11857 *p == '\n' || *p == '\r') p++;
11859 if (strncmp(p, "black", strlen("black"))==0)
11860 blackPlaysFirst = TRUE;
11862 blackPlaysFirst = FALSE;
11863 startedFromSetupPosition = TRUE;
11865 CopyBoard(boards[0], initial_position);
11866 if (blackPlaysFirst) {
11867 currentMove = forwardMostMove = backwardMostMove = 1;
11868 CopyBoard(boards[1], initial_position);
11869 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11870 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11871 timeRemaining[0][1] = whiteTimeRemaining;
11872 timeRemaining[1][1] = blackTimeRemaining;
11873 if (commentList[0] != NULL) {
11874 commentList[1] = commentList[0];
11875 commentList[0] = NULL;
11878 currentMove = forwardMostMove = backwardMostMove = 0;
11881 yyboardindex = forwardMostMove;
11882 cm = (ChessMove) Myylex();
11885 if (first.pr == NoProc) {
11886 StartChessProgram(&first);
11888 InitChessProgram(&first, FALSE);
11889 SendToProgram("force\n", &first);
11890 if (startedFromSetupPosition) {
11891 SendBoard(&first, forwardMostMove);
11892 if (appData.debugMode) {
11893 fprintf(debugFP, "Load Game\n");
11895 DisplayBothClocks();
11898 /* [HGM] server: flag to write setup moves in broadcast file as one */
11899 loadFlag = appData.suppressLoadMoves;
11901 while (cm == Comment) {
11903 if (appData.debugMode)
11904 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11906 AppendComment(currentMove, p, FALSE);
11907 yyboardindex = forwardMostMove;
11908 cm = (ChessMove) Myylex();
11911 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11912 cm == WhiteWins || cm == BlackWins ||
11913 cm == GameIsDrawn || cm == GameUnfinished) {
11914 DisplayMessage("", _("No moves in game"));
11915 if (cmailMsgLoaded) {
11916 if (appData.debugMode)
11917 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11921 DrawPosition(FALSE, boards[currentMove]);
11922 DisplayBothClocks();
11923 gameMode = EditGame;
11930 // [HGM] PV info: routine tests if comment empty
11931 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11932 DisplayComment(currentMove - 1, commentList[currentMove]);
11934 if (!matchMode && appData.timeDelay != 0)
11935 DrawPosition(FALSE, boards[currentMove]);
11937 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11938 programStats.ok_to_send = 1;
11941 /* if the first token after the PGN tags is a move
11942 * and not move number 1, retrieve it from the parser
11944 if (cm != MoveNumberOne)
11945 LoadGameOneMove(cm);
11947 /* load the remaining moves from the file */
11948 while (LoadGameOneMove(EndOfFile)) {
11949 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11950 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11953 /* rewind to the start of the game */
11954 currentMove = backwardMostMove;
11956 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11958 if (oldGameMode == AnalyzeFile ||
11959 oldGameMode == AnalyzeMode) {
11960 AnalyzeFileEvent();
11963 if (!matchMode && pos >= 0) {
11964 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11966 if (matchMode || appData.timeDelay == 0) {
11968 } else if (appData.timeDelay > 0) {
11969 AutoPlayGameLoop();
11972 if (appData.debugMode)
11973 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11975 loadFlag = 0; /* [HGM] true game starts */
11979 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11981 ReloadPosition(offset)
11984 int positionNumber = lastLoadPositionNumber + offset;
11985 if (lastLoadPositionFP == NULL) {
11986 DisplayError(_("No position has been loaded yet"), 0);
11989 if (positionNumber <= 0) {
11990 DisplayError(_("Can't back up any further"), 0);
11993 return LoadPosition(lastLoadPositionFP, positionNumber,
11994 lastLoadPositionTitle);
11997 /* Load the nth position from the given file */
11999 LoadPositionFromFile(filename, n, title)
12007 if (strcmp(filename, "-") == 0) {
12008 return LoadPosition(stdin, n, "stdin");
12010 f = fopen(filename, "rb");
12012 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12013 DisplayError(buf, errno);
12016 return LoadPosition(f, n, title);
12021 /* Load the nth position from the given open file, and close it */
12023 LoadPosition(f, positionNumber, title)
12025 int positionNumber;
12028 char *p, line[MSG_SIZ];
12029 Board initial_position;
12030 int i, j, fenMode, pn;
12032 if (gameMode == Training )
12033 SetTrainingModeOff();
12035 if (gameMode != BeginningOfGame) {
12036 Reset(FALSE, TRUE);
12038 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12039 fclose(lastLoadPositionFP);
12041 if (positionNumber == 0) positionNumber = 1;
12042 lastLoadPositionFP = f;
12043 lastLoadPositionNumber = positionNumber;
12044 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12045 if (first.pr == NoProc && !appData.noChessProgram) {
12046 StartChessProgram(&first);
12047 InitChessProgram(&first, FALSE);
12049 pn = positionNumber;
12050 if (positionNumber < 0) {
12051 /* Negative position number means to seek to that byte offset */
12052 if (fseek(f, -positionNumber, 0) == -1) {
12053 DisplayError(_("Can't seek on position file"), 0);
12058 if (fseek(f, 0, 0) == -1) {
12059 if (f == lastLoadPositionFP ?
12060 positionNumber == lastLoadPositionNumber + 1 :
12061 positionNumber == 1) {
12064 DisplayError(_("Can't seek on position file"), 0);
12069 /* See if this file is FEN or old-style xboard */
12070 if (fgets(line, MSG_SIZ, f) == NULL) {
12071 DisplayError(_("Position not found in file"), 0);
12074 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12075 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12078 if (fenMode || line[0] == '#') pn--;
12080 /* skip positions before number pn */
12081 if (fgets(line, MSG_SIZ, f) == NULL) {
12083 DisplayError(_("Position not found in file"), 0);
12086 if (fenMode || line[0] == '#') pn--;
12091 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12092 DisplayError(_("Bad FEN position in file"), 0);
12096 (void) fgets(line, MSG_SIZ, f);
12097 (void) fgets(line, MSG_SIZ, f);
12099 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12100 (void) fgets(line, MSG_SIZ, f);
12101 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12104 initial_position[i][j++] = CharToPiece(*p);
12108 blackPlaysFirst = FALSE;
12110 (void) fgets(line, MSG_SIZ, f);
12111 if (strncmp(line, "black", strlen("black"))==0)
12112 blackPlaysFirst = TRUE;
12115 startedFromSetupPosition = TRUE;
12117 CopyBoard(boards[0], initial_position);
12118 if (blackPlaysFirst) {
12119 currentMove = forwardMostMove = backwardMostMove = 1;
12120 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12121 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12122 CopyBoard(boards[1], initial_position);
12123 DisplayMessage("", _("Black to play"));
12125 currentMove = forwardMostMove = backwardMostMove = 0;
12126 DisplayMessage("", _("White to play"));
12128 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12129 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12130 SendToProgram("force\n", &first);
12131 SendBoard(&first, forwardMostMove);
12133 if (appData.debugMode) {
12135 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12136 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12137 fprintf(debugFP, "Load Position\n");
12140 if (positionNumber > 1) {
12141 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12142 DisplayTitle(line);
12144 DisplayTitle(title);
12146 gameMode = EditGame;
12149 timeRemaining[0][1] = whiteTimeRemaining;
12150 timeRemaining[1][1] = blackTimeRemaining;
12151 DrawPosition(FALSE, boards[currentMove]);
12158 CopyPlayerNameIntoFileName(dest, src)
12161 while (*src != NULLCHAR && *src != ',') {
12166 *(*dest)++ = *src++;
12171 char *DefaultFileName(ext)
12174 static char def[MSG_SIZ];
12177 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12179 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12181 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12183 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12190 /* Save the current game to the given file */
12192 SaveGameToFile(filename, append)
12198 int result, i, t,tot=0;
12200 if (strcmp(filename, "-") == 0) {
12201 return SaveGame(stdout, 0, NULL);
12203 for(i=0; i<10; i++) { // upto 10 tries
12204 f = fopen(filename, append ? "a" : "w");
12205 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12206 if(f || errno != 13) break;
12207 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12211 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12212 DisplayError(buf, errno);
12215 safeStrCpy(buf, lastMsg, MSG_SIZ);
12216 DisplayMessage(_("Waiting for access to save file"), "");
12217 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12218 DisplayMessage(_("Saving game"), "");
12219 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12220 result = SaveGame(f, 0, NULL);
12221 DisplayMessage(buf, "");
12231 static char buf[MSG_SIZ];
12234 p = strchr(str, ' ');
12235 if (p == NULL) return str;
12236 strncpy(buf, str, p - str);
12237 buf[p - str] = NULLCHAR;
12241 #define PGN_MAX_LINE 75
12243 #define PGN_SIDE_WHITE 0
12244 #define PGN_SIDE_BLACK 1
12247 static int FindFirstMoveOutOfBook( int side )
12251 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12252 int index = backwardMostMove;
12253 int has_book_hit = 0;
12255 if( (index % 2) != side ) {
12259 while( index < forwardMostMove ) {
12260 /* Check to see if engine is in book */
12261 int depth = pvInfoList[index].depth;
12262 int score = pvInfoList[index].score;
12268 else if( score == 0 && depth == 63 ) {
12269 in_book = 1; /* Zappa */
12271 else if( score == 2 && depth == 99 ) {
12272 in_book = 1; /* Abrok */
12275 has_book_hit += in_book;
12291 void GetOutOfBookInfo( char * buf )
12295 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12297 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12298 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12302 if( oob[0] >= 0 || oob[1] >= 0 ) {
12303 for( i=0; i<2; i++ ) {
12307 if( i > 0 && oob[0] >= 0 ) {
12308 strcat( buf, " " );
12311 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12312 sprintf( buf+strlen(buf), "%s%.2f",
12313 pvInfoList[idx].score >= 0 ? "+" : "",
12314 pvInfoList[idx].score / 100.0 );
12320 /* Save game in PGN style and close the file */
12325 int i, offset, linelen, newblock;
12329 int movelen, numlen, blank;
12330 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12332 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12334 tm = time((time_t *) NULL);
12336 PrintPGNTags(f, &gameInfo);
12338 if (backwardMostMove > 0 || startedFromSetupPosition) {
12339 char *fen = PositionToFEN(backwardMostMove, NULL);
12340 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12341 fprintf(f, "\n{--------------\n");
12342 PrintPosition(f, backwardMostMove);
12343 fprintf(f, "--------------}\n");
12347 /* [AS] Out of book annotation */
12348 if( appData.saveOutOfBookInfo ) {
12351 GetOutOfBookInfo( buf );
12353 if( buf[0] != '\0' ) {
12354 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12361 i = backwardMostMove;
12365 while (i < forwardMostMove) {
12366 /* Print comments preceding this move */
12367 if (commentList[i] != NULL) {
12368 if (linelen > 0) fprintf(f, "\n");
12369 fprintf(f, "%s", commentList[i]);
12374 /* Format move number */
12376 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12379 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12381 numtext[0] = NULLCHAR;
12383 numlen = strlen(numtext);
12386 /* Print move number */
12387 blank = linelen > 0 && numlen > 0;
12388 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12397 fprintf(f, "%s", numtext);
12401 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12402 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12405 blank = linelen > 0 && movelen > 0;
12406 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12415 fprintf(f, "%s", move_buffer);
12416 linelen += movelen;
12418 /* [AS] Add PV info if present */
12419 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12420 /* [HGM] add time */
12421 char buf[MSG_SIZ]; int seconds;
12423 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12429 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12432 seconds = (seconds + 4)/10; // round to full seconds
12434 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12436 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12439 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12440 pvInfoList[i].score >= 0 ? "+" : "",
12441 pvInfoList[i].score / 100.0,
12442 pvInfoList[i].depth,
12445 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12447 /* Print score/depth */
12448 blank = linelen > 0 && movelen > 0;
12449 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12458 fprintf(f, "%s", move_buffer);
12459 linelen += movelen;
12465 /* Start a new line */
12466 if (linelen > 0) fprintf(f, "\n");
12468 /* Print comments after last move */
12469 if (commentList[i] != NULL) {
12470 fprintf(f, "%s\n", commentList[i]);
12474 if (gameInfo.resultDetails != NULL &&
12475 gameInfo.resultDetails[0] != NULLCHAR) {
12476 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12477 PGNResult(gameInfo.result));
12479 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12483 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12487 /* Save game in old style and close the file */
12489 SaveGameOldStyle(f)
12495 tm = time((time_t *) NULL);
12497 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12500 if (backwardMostMove > 0 || startedFromSetupPosition) {
12501 fprintf(f, "\n[--------------\n");
12502 PrintPosition(f, backwardMostMove);
12503 fprintf(f, "--------------]\n");
12508 i = backwardMostMove;
12509 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12511 while (i < forwardMostMove) {
12512 if (commentList[i] != NULL) {
12513 fprintf(f, "[%s]\n", commentList[i]);
12516 if ((i % 2) == 1) {
12517 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12520 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12522 if (commentList[i] != NULL) {
12526 if (i >= forwardMostMove) {
12530 fprintf(f, "%s\n", parseList[i]);
12535 if (commentList[i] != NULL) {
12536 fprintf(f, "[%s]\n", commentList[i]);
12539 /* This isn't really the old style, but it's close enough */
12540 if (gameInfo.resultDetails != NULL &&
12541 gameInfo.resultDetails[0] != NULLCHAR) {
12542 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12543 gameInfo.resultDetails);
12545 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12552 /* Save the current game to open file f and close the file */
12554 SaveGame(f, dummy, dummy2)
12559 if (gameMode == EditPosition) EditPositionDone(TRUE);
12560 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12561 if (appData.oldSaveStyle)
12562 return SaveGameOldStyle(f);
12564 return SaveGamePGN(f);
12567 /* Save the current position to the given file */
12569 SavePositionToFile(filename)
12575 if (strcmp(filename, "-") == 0) {
12576 return SavePosition(stdout, 0, NULL);
12578 f = fopen(filename, "a");
12580 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12581 DisplayError(buf, errno);
12584 safeStrCpy(buf, lastMsg, MSG_SIZ);
12585 DisplayMessage(_("Waiting for access to save file"), "");
12586 flock(fileno(f), LOCK_EX); // [HGM] lock
12587 DisplayMessage(_("Saving position"), "");
12588 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12589 SavePosition(f, 0, NULL);
12590 DisplayMessage(buf, "");
12596 /* Save the current position to the given open file and close the file */
12598 SavePosition(f, dummy, dummy2)
12606 if (gameMode == EditPosition) EditPositionDone(TRUE);
12607 if (appData.oldSaveStyle) {
12608 tm = time((time_t *) NULL);
12610 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12612 fprintf(f, "[--------------\n");
12613 PrintPosition(f, currentMove);
12614 fprintf(f, "--------------]\n");
12616 fen = PositionToFEN(currentMove, NULL);
12617 fprintf(f, "%s\n", fen);
12625 ReloadCmailMsgEvent(unregister)
12629 static char *inFilename = NULL;
12630 static char *outFilename;
12632 struct stat inbuf, outbuf;
12635 /* Any registered moves are unregistered if unregister is set, */
12636 /* i.e. invoked by the signal handler */
12638 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12639 cmailMoveRegistered[i] = FALSE;
12640 if (cmailCommentList[i] != NULL) {
12641 free(cmailCommentList[i]);
12642 cmailCommentList[i] = NULL;
12645 nCmailMovesRegistered = 0;
12648 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12649 cmailResult[i] = CMAIL_NOT_RESULT;
12653 if (inFilename == NULL) {
12654 /* Because the filenames are static they only get malloced once */
12655 /* and they never get freed */
12656 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12657 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12659 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12660 sprintf(outFilename, "%s.out", appData.cmailGameName);
12663 status = stat(outFilename, &outbuf);
12665 cmailMailedMove = FALSE;
12667 status = stat(inFilename, &inbuf);
12668 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12671 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12672 counts the games, notes how each one terminated, etc.
12674 It would be nice to remove this kludge and instead gather all
12675 the information while building the game list. (And to keep it
12676 in the game list nodes instead of having a bunch of fixed-size
12677 parallel arrays.) Note this will require getting each game's
12678 termination from the PGN tags, as the game list builder does
12679 not process the game moves. --mann
12681 cmailMsgLoaded = TRUE;
12682 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12684 /* Load first game in the file or popup game menu */
12685 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12687 #endif /* !WIN32 */
12695 char string[MSG_SIZ];
12697 if ( cmailMailedMove
12698 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12699 return TRUE; /* Allow free viewing */
12702 /* Unregister move to ensure that we don't leave RegisterMove */
12703 /* with the move registered when the conditions for registering no */
12705 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12706 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12707 nCmailMovesRegistered --;
12709 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12711 free(cmailCommentList[lastLoadGameNumber - 1]);
12712 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12716 if (cmailOldMove == -1) {
12717 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12721 if (currentMove > cmailOldMove + 1) {
12722 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12726 if (currentMove < cmailOldMove) {
12727 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12731 if (forwardMostMove > currentMove) {
12732 /* Silently truncate extra moves */
12736 if ( (currentMove == cmailOldMove + 1)
12737 || ( (currentMove == cmailOldMove)
12738 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12739 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12740 if (gameInfo.result != GameUnfinished) {
12741 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12744 if (commentList[currentMove] != NULL) {
12745 cmailCommentList[lastLoadGameNumber - 1]
12746 = StrSave(commentList[currentMove]);
12748 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12750 if (appData.debugMode)
12751 fprintf(debugFP, "Saving %s for game %d\n",
12752 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12754 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12756 f = fopen(string, "w");
12757 if (appData.oldSaveStyle) {
12758 SaveGameOldStyle(f); /* also closes the file */
12760 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12761 f = fopen(string, "w");
12762 SavePosition(f, 0, NULL); /* also closes the file */
12764 fprintf(f, "{--------------\n");
12765 PrintPosition(f, currentMove);
12766 fprintf(f, "--------------}\n\n");
12768 SaveGame(f, 0, NULL); /* also closes the file*/
12771 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12772 nCmailMovesRegistered ++;
12773 } else if (nCmailGames == 1) {
12774 DisplayError(_("You have not made a move yet"), 0);
12785 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12786 FILE *commandOutput;
12787 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12788 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12794 if (! cmailMsgLoaded) {
12795 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12799 if (nCmailGames == nCmailResults) {
12800 DisplayError(_("No unfinished games"), 0);
12804 #if CMAIL_PROHIBIT_REMAIL
12805 if (cmailMailedMove) {
12806 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);
12807 DisplayError(msg, 0);
12812 if (! (cmailMailedMove || RegisterMove())) return;
12814 if ( cmailMailedMove
12815 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12816 snprintf(string, MSG_SIZ, partCommandString,
12817 appData.debugMode ? " -v" : "", appData.cmailGameName);
12818 commandOutput = popen(string, "r");
12820 if (commandOutput == NULL) {
12821 DisplayError(_("Failed to invoke cmail"), 0);
12823 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12824 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12826 if (nBuffers > 1) {
12827 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12828 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12829 nBytes = MSG_SIZ - 1;
12831 (void) memcpy(msg, buffer, nBytes);
12833 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12835 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12836 cmailMailedMove = TRUE; /* Prevent >1 moves */
12839 for (i = 0; i < nCmailGames; i ++) {
12840 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12845 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12847 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12849 appData.cmailGameName,
12851 LoadGameFromFile(buffer, 1, buffer, FALSE);
12852 cmailMsgLoaded = FALSE;
12856 DisplayInformation(msg);
12857 pclose(commandOutput);
12860 if ((*cmailMsg) != '\0') {
12861 DisplayInformation(cmailMsg);
12866 #endif /* !WIN32 */
12875 int prependComma = 0;
12877 char string[MSG_SIZ]; /* Space for game-list */
12880 if (!cmailMsgLoaded) return "";
12882 if (cmailMailedMove) {
12883 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12885 /* Create a list of games left */
12886 snprintf(string, MSG_SIZ, "[");
12887 for (i = 0; i < nCmailGames; i ++) {
12888 if (! ( cmailMoveRegistered[i]
12889 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12890 if (prependComma) {
12891 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12893 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12897 strcat(string, number);
12900 strcat(string, "]");
12902 if (nCmailMovesRegistered + nCmailResults == 0) {
12903 switch (nCmailGames) {
12905 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12909 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12913 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12918 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12920 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12925 if (nCmailResults == nCmailGames) {
12926 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12928 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12933 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12945 if (gameMode == Training)
12946 SetTrainingModeOff();
12949 cmailMsgLoaded = FALSE;
12950 if (appData.icsActive) {
12951 SendToICS(ics_prefix);
12952 SendToICS("refresh\n");
12962 /* Give up on clean exit */
12966 /* Keep trying for clean exit */
12970 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12972 if (telnetISR != NULL) {
12973 RemoveInputSource(telnetISR);
12975 if (icsPR != NoProc) {
12976 DestroyChildProcess(icsPR, TRUE);
12979 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12980 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12982 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12983 /* make sure this other one finishes before killing it! */
12984 if(endingGame) { int count = 0;
12985 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12986 while(endingGame && count++ < 10) DoSleep(1);
12987 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12990 /* Kill off chess programs */
12991 if (first.pr != NoProc) {
12994 DoSleep( appData.delayBeforeQuit );
12995 SendToProgram("quit\n", &first);
12996 DoSleep( appData.delayAfterQuit );
12997 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12999 if (second.pr != NoProc) {
13000 DoSleep( appData.delayBeforeQuit );
13001 SendToProgram("quit\n", &second);
13002 DoSleep( appData.delayAfterQuit );
13003 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13005 if (first.isr != NULL) {
13006 RemoveInputSource(first.isr);
13008 if (second.isr != NULL) {
13009 RemoveInputSource(second.isr);
13012 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13013 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13015 ShutDownFrontEnd();
13022 if (appData.debugMode)
13023 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13027 if (gameMode == MachinePlaysWhite ||
13028 gameMode == MachinePlaysBlack) {
13031 DisplayBothClocks();
13033 if (gameMode == PlayFromGameFile) {
13034 if (appData.timeDelay >= 0)
13035 AutoPlayGameLoop();
13036 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13037 Reset(FALSE, TRUE);
13038 SendToICS(ics_prefix);
13039 SendToICS("refresh\n");
13040 } else if (currentMove < forwardMostMove) {
13041 ForwardInner(forwardMostMove);
13043 pauseExamInvalid = FALSE;
13045 switch (gameMode) {
13049 pauseExamForwardMostMove = forwardMostMove;
13050 pauseExamInvalid = FALSE;
13053 case IcsPlayingWhite:
13054 case IcsPlayingBlack:
13058 case PlayFromGameFile:
13059 (void) StopLoadGameTimer();
13063 case BeginningOfGame:
13064 if (appData.icsActive) return;
13065 /* else fall through */
13066 case MachinePlaysWhite:
13067 case MachinePlaysBlack:
13068 case TwoMachinesPlay:
13069 if (forwardMostMove == 0)
13070 return; /* don't pause if no one has moved */
13071 if ((gameMode == MachinePlaysWhite &&
13072 !WhiteOnMove(forwardMostMove)) ||
13073 (gameMode == MachinePlaysBlack &&
13074 WhiteOnMove(forwardMostMove))) {
13087 char title[MSG_SIZ];
13089 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13090 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13092 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13093 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13094 parseList[currentMove - 1]);
13097 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13104 char *tags = PGNTags(&gameInfo);
13106 EditTagsPopUp(tags, NULL);
13113 if (appData.noChessProgram || gameMode == AnalyzeMode)
13116 if (gameMode != AnalyzeFile) {
13117 if (!appData.icsEngineAnalyze) {
13119 if (gameMode != EditGame) return;
13121 ResurrectChessProgram();
13122 SendToProgram("analyze\n", &first);
13123 first.analyzing = TRUE;
13124 /*first.maybeThinking = TRUE;*/
13125 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13126 EngineOutputPopUp();
13128 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13133 StartAnalysisClock();
13134 GetTimeMark(&lastNodeCountTime);
13141 if (appData.noChessProgram || gameMode == AnalyzeFile)
13144 if (gameMode != AnalyzeMode) {
13146 if (gameMode != EditGame) return;
13147 ResurrectChessProgram();
13148 SendToProgram("analyze\n", &first);
13149 first.analyzing = TRUE;
13150 /*first.maybeThinking = TRUE;*/
13151 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13152 EngineOutputPopUp();
13154 gameMode = AnalyzeFile;
13159 StartAnalysisClock();
13160 GetTimeMark(&lastNodeCountTime);
13162 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13166 MachineWhiteEvent()
13169 char *bookHit = NULL;
13171 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13175 if (gameMode == PlayFromGameFile ||
13176 gameMode == TwoMachinesPlay ||
13177 gameMode == Training ||
13178 gameMode == AnalyzeMode ||
13179 gameMode == EndOfGame)
13182 if (gameMode == EditPosition)
13183 EditPositionDone(TRUE);
13185 if (!WhiteOnMove(currentMove)) {
13186 DisplayError(_("It is not White's turn"), 0);
13190 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13193 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13194 gameMode == AnalyzeFile)
13197 ResurrectChessProgram(); /* in case it isn't running */
13198 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13199 gameMode = MachinePlaysWhite;
13202 gameMode = MachinePlaysWhite;
13206 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13208 if (first.sendName) {
13209 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13210 SendToProgram(buf, &first);
13212 if (first.sendTime) {
13213 if (first.useColors) {
13214 SendToProgram("black\n", &first); /*gnu kludge*/
13216 SendTimeRemaining(&first, TRUE);
13218 if (first.useColors) {
13219 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13221 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13222 SetMachineThinkingEnables();
13223 first.maybeThinking = TRUE;
13227 if (appData.autoFlipView && !flipView) {
13228 flipView = !flipView;
13229 DrawPosition(FALSE, NULL);
13230 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13233 if(bookHit) { // [HGM] book: simulate book reply
13234 static char bookMove[MSG_SIZ]; // a bit generous?
13236 programStats.nodes = programStats.depth = programStats.time =
13237 programStats.score = programStats.got_only_move = 0;
13238 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13240 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13241 strcat(bookMove, bookHit);
13242 HandleMachineMove(bookMove, &first);
13247 MachineBlackEvent()
13250 char *bookHit = NULL;
13252 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13256 if (gameMode == PlayFromGameFile ||
13257 gameMode == TwoMachinesPlay ||
13258 gameMode == Training ||
13259 gameMode == AnalyzeMode ||
13260 gameMode == EndOfGame)
13263 if (gameMode == EditPosition)
13264 EditPositionDone(TRUE);
13266 if (WhiteOnMove(currentMove)) {
13267 DisplayError(_("It is not Black's turn"), 0);
13271 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13274 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13275 gameMode == AnalyzeFile)
13278 ResurrectChessProgram(); /* in case it isn't running */
13279 gameMode = MachinePlaysBlack;
13283 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13285 if (first.sendName) {
13286 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13287 SendToProgram(buf, &first);
13289 if (first.sendTime) {
13290 if (first.useColors) {
13291 SendToProgram("white\n", &first); /*gnu kludge*/
13293 SendTimeRemaining(&first, FALSE);
13295 if (first.useColors) {
13296 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13298 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13299 SetMachineThinkingEnables();
13300 first.maybeThinking = TRUE;
13303 if (appData.autoFlipView && flipView) {
13304 flipView = !flipView;
13305 DrawPosition(FALSE, NULL);
13306 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13308 if(bookHit) { // [HGM] book: simulate book reply
13309 static char bookMove[MSG_SIZ]; // a bit generous?
13311 programStats.nodes = programStats.depth = programStats.time =
13312 programStats.score = programStats.got_only_move = 0;
13313 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13315 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13316 strcat(bookMove, bookHit);
13317 HandleMachineMove(bookMove, &first);
13323 DisplayTwoMachinesTitle()
13326 if (appData.matchGames > 0) {
13327 if(appData.tourneyFile[0]) {
13328 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d/%d%s)"),
13329 gameInfo.white, gameInfo.black,
13330 nextGame+1, appData.matchGames+1,
13331 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13333 if (first.twoMachinesColor[0] == 'w') {
13334 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13335 gameInfo.white, gameInfo.black,
13336 first.matchWins, second.matchWins,
13337 matchGame - 1 - (first.matchWins + second.matchWins));
13339 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13340 gameInfo.white, gameInfo.black,
13341 second.matchWins, first.matchWins,
13342 matchGame - 1 - (first.matchWins + second.matchWins));
13345 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13351 SettingsMenuIfReady()
13353 if (second.lastPing != second.lastPong) {
13354 DisplayMessage("", _("Waiting for second chess program"));
13355 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13359 DisplayMessage("", "");
13360 SettingsPopUp(&second);
13364 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13367 if (cps->pr == NoProc) {
13368 StartChessProgram(cps);
13369 if (cps->protocolVersion == 1) {
13372 /* kludge: allow timeout for initial "feature" command */
13374 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13375 DisplayMessage("", buf);
13376 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13384 TwoMachinesEvent P((void))
13388 ChessProgramState *onmove;
13389 char *bookHit = NULL;
13390 static int stalling = 0;
13394 if (appData.noChessProgram) return;
13396 switch (gameMode) {
13397 case TwoMachinesPlay:
13399 case MachinePlaysWhite:
13400 case MachinePlaysBlack:
13401 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13402 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13406 case BeginningOfGame:
13407 case PlayFromGameFile:
13410 if (gameMode != EditGame) return;
13413 EditPositionDone(TRUE);
13424 // forwardMostMove = currentMove;
13425 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13427 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13429 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13430 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13431 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13435 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13436 SendToProgram("force\n", &second);
13438 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13441 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13442 if(appData.matchPause>10000 || appData.matchPause<10)
13443 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13444 wait = SubtractTimeMarks(&now, &pauseStart);
13445 if(wait < appData.matchPause) {
13446 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13450 DisplayMessage("", "");
13451 if (startedFromSetupPosition) {
13452 SendBoard(&second, backwardMostMove);
13453 if (appData.debugMode) {
13454 fprintf(debugFP, "Two Machines\n");
13457 for (i = backwardMostMove; i < forwardMostMove; i++) {
13458 SendMoveToProgram(i, &second);
13461 gameMode = TwoMachinesPlay;
13463 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13465 DisplayTwoMachinesTitle();
13467 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13472 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13473 SendToProgram(first.computerString, &first);
13474 if (first.sendName) {
13475 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13476 SendToProgram(buf, &first);
13478 SendToProgram(second.computerString, &second);
13479 if (second.sendName) {
13480 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13481 SendToProgram(buf, &second);
13485 if (!first.sendTime || !second.sendTime) {
13486 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13487 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13489 if (onmove->sendTime) {
13490 if (onmove->useColors) {
13491 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13493 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13495 if (onmove->useColors) {
13496 SendToProgram(onmove->twoMachinesColor, onmove);
13498 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13499 // SendToProgram("go\n", onmove);
13500 onmove->maybeThinking = TRUE;
13501 SetMachineThinkingEnables();
13505 if(bookHit) { // [HGM] book: simulate book reply
13506 static char bookMove[MSG_SIZ]; // a bit generous?
13508 programStats.nodes = programStats.depth = programStats.time =
13509 programStats.score = programStats.got_only_move = 0;
13510 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13512 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13513 strcat(bookMove, bookHit);
13514 savedMessage = bookMove; // args for deferred call
13515 savedState = onmove;
13516 ScheduleDelayedEvent(DeferredBookMove, 1);
13523 if (gameMode == Training) {
13524 SetTrainingModeOff();
13525 gameMode = PlayFromGameFile;
13526 DisplayMessage("", _("Training mode off"));
13528 gameMode = Training;
13529 animateTraining = appData.animate;
13531 /* make sure we are not already at the end of the game */
13532 if (currentMove < forwardMostMove) {
13533 SetTrainingModeOn();
13534 DisplayMessage("", _("Training mode on"));
13536 gameMode = PlayFromGameFile;
13537 DisplayError(_("Already at end of game"), 0);
13546 if (!appData.icsActive) return;
13547 switch (gameMode) {
13548 case IcsPlayingWhite:
13549 case IcsPlayingBlack:
13552 case BeginningOfGame:
13560 EditPositionDone(TRUE);
13573 gameMode = IcsIdle;
13584 switch (gameMode) {
13586 SetTrainingModeOff();
13588 case MachinePlaysWhite:
13589 case MachinePlaysBlack:
13590 case BeginningOfGame:
13591 SendToProgram("force\n", &first);
13592 SetUserThinkingEnables();
13594 case PlayFromGameFile:
13595 (void) StopLoadGameTimer();
13596 if (gameFileFP != NULL) {
13601 EditPositionDone(TRUE);
13606 SendToProgram("force\n", &first);
13608 case TwoMachinesPlay:
13609 GameEnds(EndOfFile, NULL, GE_PLAYER);
13610 ResurrectChessProgram();
13611 SetUserThinkingEnables();
13614 ResurrectChessProgram();
13616 case IcsPlayingBlack:
13617 case IcsPlayingWhite:
13618 DisplayError(_("Warning: You are still playing a game"), 0);
13621 DisplayError(_("Warning: You are still observing a game"), 0);
13624 DisplayError(_("Warning: You are still examining a game"), 0);
13635 first.offeredDraw = second.offeredDraw = 0;
13637 if (gameMode == PlayFromGameFile) {
13638 whiteTimeRemaining = timeRemaining[0][currentMove];
13639 blackTimeRemaining = timeRemaining[1][currentMove];
13643 if (gameMode == MachinePlaysWhite ||
13644 gameMode == MachinePlaysBlack ||
13645 gameMode == TwoMachinesPlay ||
13646 gameMode == EndOfGame) {
13647 i = forwardMostMove;
13648 while (i > currentMove) {
13649 SendToProgram("undo\n", &first);
13652 if(!adjustedClock) {
13653 whiteTimeRemaining = timeRemaining[0][currentMove];
13654 blackTimeRemaining = timeRemaining[1][currentMove];
13655 DisplayBothClocks();
13657 if (whiteFlag || blackFlag) {
13658 whiteFlag = blackFlag = 0;
13663 gameMode = EditGame;
13670 EditPositionEvent()
13672 if (gameMode == EditPosition) {
13678 if (gameMode != EditGame) return;
13680 gameMode = EditPosition;
13683 if (currentMove > 0)
13684 CopyBoard(boards[0], boards[currentMove]);
13686 blackPlaysFirst = !WhiteOnMove(currentMove);
13688 currentMove = forwardMostMove = backwardMostMove = 0;
13689 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13696 /* [DM] icsEngineAnalyze - possible call from other functions */
13697 if (appData.icsEngineAnalyze) {
13698 appData.icsEngineAnalyze = FALSE;
13700 DisplayMessage("",_("Close ICS engine analyze..."));
13702 if (first.analysisSupport && first.analyzing) {
13703 SendToProgram("exit\n", &first);
13704 first.analyzing = FALSE;
13706 thinkOutput[0] = NULLCHAR;
13710 EditPositionDone(Boolean fakeRights)
13712 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13714 startedFromSetupPosition = TRUE;
13715 InitChessProgram(&first, FALSE);
13716 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13717 boards[0][EP_STATUS] = EP_NONE;
13718 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13719 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13720 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13721 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13722 } else boards[0][CASTLING][2] = NoRights;
13723 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13724 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13725 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13726 } else boards[0][CASTLING][5] = NoRights;
13728 SendToProgram("force\n", &first);
13729 if (blackPlaysFirst) {
13730 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13731 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13732 currentMove = forwardMostMove = backwardMostMove = 1;
13733 CopyBoard(boards[1], boards[0]);
13735 currentMove = forwardMostMove = backwardMostMove = 0;
13737 SendBoard(&first, forwardMostMove);
13738 if (appData.debugMode) {
13739 fprintf(debugFP, "EditPosDone\n");
13742 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13743 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13744 gameMode = EditGame;
13746 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13747 ClearHighlights(); /* [AS] */
13750 /* Pause for `ms' milliseconds */
13751 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13761 } while (SubtractTimeMarks(&m2, &m1) < ms);
13764 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13766 SendMultiLineToICS(buf)
13769 char temp[MSG_SIZ+1], *p;
13776 strncpy(temp, buf, len);
13781 if (*p == '\n' || *p == '\r')
13786 strcat(temp, "\n");
13788 SendToPlayer(temp, strlen(temp));
13792 SetWhiteToPlayEvent()
13794 if (gameMode == EditPosition) {
13795 blackPlaysFirst = FALSE;
13796 DisplayBothClocks(); /* works because currentMove is 0 */
13797 } else if (gameMode == IcsExamining) {
13798 SendToICS(ics_prefix);
13799 SendToICS("tomove white\n");
13804 SetBlackToPlayEvent()
13806 if (gameMode == EditPosition) {
13807 blackPlaysFirst = TRUE;
13808 currentMove = 1; /* kludge */
13809 DisplayBothClocks();
13811 } else if (gameMode == IcsExamining) {
13812 SendToICS(ics_prefix);
13813 SendToICS("tomove black\n");
13818 EditPositionMenuEvent(selection, x, y)
13819 ChessSquare selection;
13823 ChessSquare piece = boards[0][y][x];
13825 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13827 switch (selection) {
13829 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13830 SendToICS(ics_prefix);
13831 SendToICS("bsetup clear\n");
13832 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13833 SendToICS(ics_prefix);
13834 SendToICS("clearboard\n");
13836 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13837 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13838 for (y = 0; y < BOARD_HEIGHT; y++) {
13839 if (gameMode == IcsExamining) {
13840 if (boards[currentMove][y][x] != EmptySquare) {
13841 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13846 boards[0][y][x] = p;
13851 if (gameMode == EditPosition) {
13852 DrawPosition(FALSE, boards[0]);
13857 SetWhiteToPlayEvent();
13861 SetBlackToPlayEvent();
13865 if (gameMode == IcsExamining) {
13866 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13867 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13870 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13871 if(x == BOARD_LEFT-2) {
13872 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13873 boards[0][y][1] = 0;
13875 if(x == BOARD_RGHT+1) {
13876 if(y >= gameInfo.holdingsSize) break;
13877 boards[0][y][BOARD_WIDTH-2] = 0;
13880 boards[0][y][x] = EmptySquare;
13881 DrawPosition(FALSE, boards[0]);
13886 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13887 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13888 selection = (ChessSquare) (PROMOTED piece);
13889 } else if(piece == EmptySquare) selection = WhiteSilver;
13890 else selection = (ChessSquare)((int)piece - 1);
13894 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13895 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13896 selection = (ChessSquare) (DEMOTED piece);
13897 } else if(piece == EmptySquare) selection = BlackSilver;
13898 else selection = (ChessSquare)((int)piece + 1);
13903 if(gameInfo.variant == VariantShatranj ||
13904 gameInfo.variant == VariantXiangqi ||
13905 gameInfo.variant == VariantCourier ||
13906 gameInfo.variant == VariantMakruk )
13907 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13912 if(gameInfo.variant == VariantXiangqi)
13913 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13914 if(gameInfo.variant == VariantKnightmate)
13915 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13918 if (gameMode == IcsExamining) {
13919 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13920 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13921 PieceToChar(selection), AAA + x, ONE + y);
13924 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13926 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13927 n = PieceToNumber(selection - BlackPawn);
13928 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13929 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13930 boards[0][BOARD_HEIGHT-1-n][1]++;
13932 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13933 n = PieceToNumber(selection);
13934 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13935 boards[0][n][BOARD_WIDTH-1] = selection;
13936 boards[0][n][BOARD_WIDTH-2]++;
13939 boards[0][y][x] = selection;
13940 DrawPosition(TRUE, boards[0]);
13948 DropMenuEvent(selection, x, y)
13949 ChessSquare selection;
13952 ChessMove moveType;
13954 switch (gameMode) {
13955 case IcsPlayingWhite:
13956 case MachinePlaysBlack:
13957 if (!WhiteOnMove(currentMove)) {
13958 DisplayMoveError(_("It is Black's turn"));
13961 moveType = WhiteDrop;
13963 case IcsPlayingBlack:
13964 case MachinePlaysWhite:
13965 if (WhiteOnMove(currentMove)) {
13966 DisplayMoveError(_("It is White's turn"));
13969 moveType = BlackDrop;
13972 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13978 if (moveType == BlackDrop && selection < BlackPawn) {
13979 selection = (ChessSquare) ((int) selection
13980 + (int) BlackPawn - (int) WhitePawn);
13982 if (boards[currentMove][y][x] != EmptySquare) {
13983 DisplayMoveError(_("That square is occupied"));
13987 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13993 /* Accept a pending offer of any kind from opponent */
13995 if (appData.icsActive) {
13996 SendToICS(ics_prefix);
13997 SendToICS("accept\n");
13998 } else if (cmailMsgLoaded) {
13999 if (currentMove == cmailOldMove &&
14000 commentList[cmailOldMove] != NULL &&
14001 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14002 "Black offers a draw" : "White offers a draw")) {
14004 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14005 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14007 DisplayError(_("There is no pending offer on this move"), 0);
14008 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14011 /* Not used for offers from chess program */
14018 /* Decline a pending offer of any kind from opponent */
14020 if (appData.icsActive) {
14021 SendToICS(ics_prefix);
14022 SendToICS("decline\n");
14023 } else if (cmailMsgLoaded) {
14024 if (currentMove == cmailOldMove &&
14025 commentList[cmailOldMove] != NULL &&
14026 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14027 "Black offers a draw" : "White offers a draw")) {
14029 AppendComment(cmailOldMove, "Draw declined", TRUE);
14030 DisplayComment(cmailOldMove - 1, "Draw declined");
14033 DisplayError(_("There is no pending offer on this move"), 0);
14036 /* Not used for offers from chess program */
14043 /* Issue ICS rematch command */
14044 if (appData.icsActive) {
14045 SendToICS(ics_prefix);
14046 SendToICS("rematch\n");
14053 /* Call your opponent's flag (claim a win on time) */
14054 if (appData.icsActive) {
14055 SendToICS(ics_prefix);
14056 SendToICS("flag\n");
14058 switch (gameMode) {
14061 case MachinePlaysWhite:
14064 GameEnds(GameIsDrawn, "Both players ran out of time",
14067 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14069 DisplayError(_("Your opponent is not out of time"), 0);
14072 case MachinePlaysBlack:
14075 GameEnds(GameIsDrawn, "Both players ran out of time",
14078 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14080 DisplayError(_("Your opponent is not out of time"), 0);
14088 ClockClick(int which)
14089 { // [HGM] code moved to back-end from winboard.c
14090 if(which) { // black clock
14091 if (gameMode == EditPosition || gameMode == IcsExamining) {
14092 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14093 SetBlackToPlayEvent();
14094 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14095 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14096 } else if (shiftKey) {
14097 AdjustClock(which, -1);
14098 } else if (gameMode == IcsPlayingWhite ||
14099 gameMode == MachinePlaysBlack) {
14102 } else { // white clock
14103 if (gameMode == EditPosition || gameMode == IcsExamining) {
14104 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14105 SetWhiteToPlayEvent();
14106 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14107 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14108 } else if (shiftKey) {
14109 AdjustClock(which, -1);
14110 } else if (gameMode == IcsPlayingBlack ||
14111 gameMode == MachinePlaysWhite) {
14120 /* Offer draw or accept pending draw offer from opponent */
14122 if (appData.icsActive) {
14123 /* Note: tournament rules require draw offers to be
14124 made after you make your move but before you punch
14125 your clock. Currently ICS doesn't let you do that;
14126 instead, you immediately punch your clock after making
14127 a move, but you can offer a draw at any time. */
14129 SendToICS(ics_prefix);
14130 SendToICS("draw\n");
14131 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14132 } else if (cmailMsgLoaded) {
14133 if (currentMove == cmailOldMove &&
14134 commentList[cmailOldMove] != NULL &&
14135 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14136 "Black offers a draw" : "White offers a draw")) {
14137 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14138 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14139 } else if (currentMove == cmailOldMove + 1) {
14140 char *offer = WhiteOnMove(cmailOldMove) ?
14141 "White offers a draw" : "Black offers a draw";
14142 AppendComment(currentMove, offer, TRUE);
14143 DisplayComment(currentMove - 1, offer);
14144 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14146 DisplayError(_("You must make your move before offering a draw"), 0);
14147 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14149 } else if (first.offeredDraw) {
14150 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14152 if (first.sendDrawOffers) {
14153 SendToProgram("draw\n", &first);
14154 userOfferedDraw = TRUE;
14162 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14164 if (appData.icsActive) {
14165 SendToICS(ics_prefix);
14166 SendToICS("adjourn\n");
14168 /* Currently GNU Chess doesn't offer or accept Adjourns */
14176 /* Offer Abort or accept pending Abort offer from opponent */
14178 if (appData.icsActive) {
14179 SendToICS(ics_prefix);
14180 SendToICS("abort\n");
14182 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14189 /* Resign. You can do this even if it's not your turn. */
14191 if (appData.icsActive) {
14192 SendToICS(ics_prefix);
14193 SendToICS("resign\n");
14195 switch (gameMode) {
14196 case MachinePlaysWhite:
14197 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14199 case MachinePlaysBlack:
14200 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14203 if (cmailMsgLoaded) {
14205 if (WhiteOnMove(cmailOldMove)) {
14206 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14208 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14210 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14221 StopObservingEvent()
14223 /* Stop observing current games */
14224 SendToICS(ics_prefix);
14225 SendToICS("unobserve\n");
14229 StopExaminingEvent()
14231 /* Stop observing current game */
14232 SendToICS(ics_prefix);
14233 SendToICS("unexamine\n");
14237 ForwardInner(target)
14242 if (appData.debugMode)
14243 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14244 target, currentMove, forwardMostMove);
14246 if (gameMode == EditPosition)
14249 MarkTargetSquares(1);
14251 if (gameMode == PlayFromGameFile && !pausing)
14254 if (gameMode == IcsExamining && pausing)
14255 limit = pauseExamForwardMostMove;
14257 limit = forwardMostMove;
14259 if (target > limit) target = limit;
14261 if (target > 0 && moveList[target - 1][0]) {
14262 int fromX, fromY, toX, toY;
14263 toX = moveList[target - 1][2] - AAA;
14264 toY = moveList[target - 1][3] - ONE;
14265 if (moveList[target - 1][1] == '@') {
14266 if (appData.highlightLastMove) {
14267 SetHighlights(-1, -1, toX, toY);
14270 fromX = moveList[target - 1][0] - AAA;
14271 fromY = moveList[target - 1][1] - ONE;
14272 if (target == currentMove + 1) {
14273 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14275 if (appData.highlightLastMove) {
14276 SetHighlights(fromX, fromY, toX, toY);
14280 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14281 gameMode == Training || gameMode == PlayFromGameFile ||
14282 gameMode == AnalyzeFile) {
14283 while (currentMove < target) {
14284 SendMoveToProgram(currentMove++, &first);
14287 currentMove = target;
14290 if (gameMode == EditGame || gameMode == EndOfGame) {
14291 whiteTimeRemaining = timeRemaining[0][currentMove];
14292 blackTimeRemaining = timeRemaining[1][currentMove];
14294 DisplayBothClocks();
14295 DisplayMove(currentMove - 1);
14296 DrawPosition(FALSE, boards[currentMove]);
14297 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14298 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14299 DisplayComment(currentMove - 1, commentList[currentMove]);
14307 if (gameMode == IcsExamining && !pausing) {
14308 SendToICS(ics_prefix);
14309 SendToICS("forward\n");
14311 ForwardInner(currentMove + 1);
14318 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14319 /* to optimze, we temporarily turn off analysis mode while we feed
14320 * the remaining moves to the engine. Otherwise we get analysis output
14323 if (first.analysisSupport) {
14324 SendToProgram("exit\nforce\n", &first);
14325 first.analyzing = FALSE;
14329 if (gameMode == IcsExamining && !pausing) {
14330 SendToICS(ics_prefix);
14331 SendToICS("forward 999999\n");
14333 ForwardInner(forwardMostMove);
14336 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14337 /* we have fed all the moves, so reactivate analysis mode */
14338 SendToProgram("analyze\n", &first);
14339 first.analyzing = TRUE;
14340 /*first.maybeThinking = TRUE;*/
14341 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14346 BackwardInner(target)
14349 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14351 if (appData.debugMode)
14352 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14353 target, currentMove, forwardMostMove);
14355 if (gameMode == EditPosition) return;
14356 MarkTargetSquares(1);
14357 if (currentMove <= backwardMostMove) {
14359 DrawPosition(full_redraw, boards[currentMove]);
14362 if (gameMode == PlayFromGameFile && !pausing)
14365 if (moveList[target][0]) {
14366 int fromX, fromY, toX, toY;
14367 toX = moveList[target][2] - AAA;
14368 toY = moveList[target][3] - ONE;
14369 if (moveList[target][1] == '@') {
14370 if (appData.highlightLastMove) {
14371 SetHighlights(-1, -1, toX, toY);
14374 fromX = moveList[target][0] - AAA;
14375 fromY = moveList[target][1] - ONE;
14376 if (target == currentMove - 1) {
14377 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14379 if (appData.highlightLastMove) {
14380 SetHighlights(fromX, fromY, toX, toY);
14384 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14385 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14386 while (currentMove > target) {
14387 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14388 // null move cannot be undone. Reload program with move history before it.
14390 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14391 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14393 SendBoard(&first, i);
14394 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14397 SendToProgram("undo\n", &first);
14401 currentMove = target;
14404 if (gameMode == EditGame || gameMode == EndOfGame) {
14405 whiteTimeRemaining = timeRemaining[0][currentMove];
14406 blackTimeRemaining = timeRemaining[1][currentMove];
14408 DisplayBothClocks();
14409 DisplayMove(currentMove - 1);
14410 DrawPosition(full_redraw, boards[currentMove]);
14411 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14412 // [HGM] PV info: routine tests if comment empty
14413 DisplayComment(currentMove - 1, commentList[currentMove]);
14419 if (gameMode == IcsExamining && !pausing) {
14420 SendToICS(ics_prefix);
14421 SendToICS("backward\n");
14423 BackwardInner(currentMove - 1);
14430 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14431 /* to optimize, we temporarily turn off analysis mode while we undo
14432 * all the moves. Otherwise we get analysis output after each undo.
14434 if (first.analysisSupport) {
14435 SendToProgram("exit\nforce\n", &first);
14436 first.analyzing = FALSE;
14440 if (gameMode == IcsExamining && !pausing) {
14441 SendToICS(ics_prefix);
14442 SendToICS("backward 999999\n");
14444 BackwardInner(backwardMostMove);
14447 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14448 /* we have fed all the moves, so reactivate analysis mode */
14449 SendToProgram("analyze\n", &first);
14450 first.analyzing = TRUE;
14451 /*first.maybeThinking = TRUE;*/
14452 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14459 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14460 if (to >= forwardMostMove) to = forwardMostMove;
14461 if (to <= backwardMostMove) to = backwardMostMove;
14462 if (to < currentMove) {
14470 RevertEvent(Boolean annotate)
14472 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14475 if (gameMode != IcsExamining) {
14476 DisplayError(_("You are not examining a game"), 0);
14480 DisplayError(_("You can't revert while pausing"), 0);
14483 SendToICS(ics_prefix);
14484 SendToICS("revert\n");
14490 switch (gameMode) {
14491 case MachinePlaysWhite:
14492 case MachinePlaysBlack:
14493 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14494 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14497 if (forwardMostMove < 2) return;
14498 currentMove = forwardMostMove = forwardMostMove - 2;
14499 whiteTimeRemaining = timeRemaining[0][currentMove];
14500 blackTimeRemaining = timeRemaining[1][currentMove];
14501 DisplayBothClocks();
14502 DisplayMove(currentMove - 1);
14503 ClearHighlights();/*!! could figure this out*/
14504 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14505 SendToProgram("remove\n", &first);
14506 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14509 case BeginningOfGame:
14513 case IcsPlayingWhite:
14514 case IcsPlayingBlack:
14515 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14516 SendToICS(ics_prefix);
14517 SendToICS("takeback 2\n");
14519 SendToICS(ics_prefix);
14520 SendToICS("takeback 1\n");
14529 ChessProgramState *cps;
14531 switch (gameMode) {
14532 case MachinePlaysWhite:
14533 if (!WhiteOnMove(forwardMostMove)) {
14534 DisplayError(_("It is your turn"), 0);
14539 case MachinePlaysBlack:
14540 if (WhiteOnMove(forwardMostMove)) {
14541 DisplayError(_("It is your turn"), 0);
14546 case TwoMachinesPlay:
14547 if (WhiteOnMove(forwardMostMove) ==
14548 (first.twoMachinesColor[0] == 'w')) {
14554 case BeginningOfGame:
14558 SendToProgram("?\n", cps);
14562 TruncateGameEvent()
14565 if (gameMode != EditGame) return;
14572 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14573 if (forwardMostMove > currentMove) {
14574 if (gameInfo.resultDetails != NULL) {
14575 free(gameInfo.resultDetails);
14576 gameInfo.resultDetails = NULL;
14577 gameInfo.result = GameUnfinished;
14579 forwardMostMove = currentMove;
14580 HistorySet(parseList, backwardMostMove, forwardMostMove,
14588 if (appData.noChessProgram) return;
14589 switch (gameMode) {
14590 case MachinePlaysWhite:
14591 if (WhiteOnMove(forwardMostMove)) {
14592 DisplayError(_("Wait until your turn"), 0);
14596 case BeginningOfGame:
14597 case MachinePlaysBlack:
14598 if (!WhiteOnMove(forwardMostMove)) {
14599 DisplayError(_("Wait until your turn"), 0);
14604 DisplayError(_("No hint available"), 0);
14607 SendToProgram("hint\n", &first);
14608 hintRequested = TRUE;
14614 if (appData.noChessProgram) return;
14615 switch (gameMode) {
14616 case MachinePlaysWhite:
14617 if (WhiteOnMove(forwardMostMove)) {
14618 DisplayError(_("Wait until your turn"), 0);
14622 case BeginningOfGame:
14623 case MachinePlaysBlack:
14624 if (!WhiteOnMove(forwardMostMove)) {
14625 DisplayError(_("Wait until your turn"), 0);
14630 EditPositionDone(TRUE);
14632 case TwoMachinesPlay:
14637 SendToProgram("bk\n", &first);
14638 bookOutput[0] = NULLCHAR;
14639 bookRequested = TRUE;
14645 char *tags = PGNTags(&gameInfo);
14646 TagsPopUp(tags, CmailMsg());
14650 /* end button procedures */
14653 PrintPosition(fp, move)
14659 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14660 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14661 char c = PieceToChar(boards[move][i][j]);
14662 fputc(c == 'x' ? '.' : c, fp);
14663 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14666 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14667 fprintf(fp, "white to play\n");
14669 fprintf(fp, "black to play\n");
14676 if (gameInfo.white != NULL) {
14677 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14683 /* Find last component of program's own name, using some heuristics */
14685 TidyProgramName(prog, host, buf)
14686 char *prog, *host, buf[MSG_SIZ];
14689 int local = (strcmp(host, "localhost") == 0);
14690 while (!local && (p = strchr(prog, ';')) != NULL) {
14692 while (*p == ' ') p++;
14695 if (*prog == '"' || *prog == '\'') {
14696 q = strchr(prog + 1, *prog);
14698 q = strchr(prog, ' ');
14700 if (q == NULL) q = prog + strlen(prog);
14702 while (p >= prog && *p != '/' && *p != '\\') p--;
14704 if(p == prog && *p == '"') p++;
14705 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14706 memcpy(buf, p, q - p);
14707 buf[q - p] = NULLCHAR;
14715 TimeControlTagValue()
14718 if (!appData.clockMode) {
14719 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14720 } else if (movesPerSession > 0) {
14721 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14722 } else if (timeIncrement == 0) {
14723 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14725 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14727 return StrSave(buf);
14733 /* This routine is used only for certain modes */
14734 VariantClass v = gameInfo.variant;
14735 ChessMove r = GameUnfinished;
14738 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14739 r = gameInfo.result;
14740 p = gameInfo.resultDetails;
14741 gameInfo.resultDetails = NULL;
14743 ClearGameInfo(&gameInfo);
14744 gameInfo.variant = v;
14746 switch (gameMode) {
14747 case MachinePlaysWhite:
14748 gameInfo.event = StrSave( appData.pgnEventHeader );
14749 gameInfo.site = StrSave(HostName());
14750 gameInfo.date = PGNDate();
14751 gameInfo.round = StrSave("-");
14752 gameInfo.white = StrSave(first.tidy);
14753 gameInfo.black = StrSave(UserName());
14754 gameInfo.timeControl = TimeControlTagValue();
14757 case MachinePlaysBlack:
14758 gameInfo.event = StrSave( appData.pgnEventHeader );
14759 gameInfo.site = StrSave(HostName());
14760 gameInfo.date = PGNDate();
14761 gameInfo.round = StrSave("-");
14762 gameInfo.white = StrSave(UserName());
14763 gameInfo.black = StrSave(first.tidy);
14764 gameInfo.timeControl = TimeControlTagValue();
14767 case TwoMachinesPlay:
14768 gameInfo.event = StrSave( appData.pgnEventHeader );
14769 gameInfo.site = StrSave(HostName());
14770 gameInfo.date = PGNDate();
14773 snprintf(buf, MSG_SIZ, "%d", roundNr);
14774 gameInfo.round = StrSave(buf);
14776 gameInfo.round = StrSave("-");
14778 if (first.twoMachinesColor[0] == 'w') {
14779 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14780 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14782 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14783 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14785 gameInfo.timeControl = TimeControlTagValue();
14789 gameInfo.event = StrSave("Edited game");
14790 gameInfo.site = StrSave(HostName());
14791 gameInfo.date = PGNDate();
14792 gameInfo.round = StrSave("-");
14793 gameInfo.white = StrSave("-");
14794 gameInfo.black = StrSave("-");
14795 gameInfo.result = r;
14796 gameInfo.resultDetails = p;
14800 gameInfo.event = StrSave("Edited position");
14801 gameInfo.site = StrSave(HostName());
14802 gameInfo.date = PGNDate();
14803 gameInfo.round = StrSave("-");
14804 gameInfo.white = StrSave("-");
14805 gameInfo.black = StrSave("-");
14808 case IcsPlayingWhite:
14809 case IcsPlayingBlack:
14814 case PlayFromGameFile:
14815 gameInfo.event = StrSave("Game from non-PGN file");
14816 gameInfo.site = StrSave(HostName());
14817 gameInfo.date = PGNDate();
14818 gameInfo.round = StrSave("-");
14819 gameInfo.white = StrSave("?");
14820 gameInfo.black = StrSave("?");
14829 ReplaceComment(index, text)
14837 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14838 pvInfoList[index-1].depth == len &&
14839 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14840 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14841 while (*text == '\n') text++;
14842 len = strlen(text);
14843 while (len > 0 && text[len - 1] == '\n') len--;
14845 if (commentList[index] != NULL)
14846 free(commentList[index]);
14849 commentList[index] = NULL;
14852 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14853 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14854 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14855 commentList[index] = (char *) malloc(len + 2);
14856 strncpy(commentList[index], text, len);
14857 commentList[index][len] = '\n';
14858 commentList[index][len + 1] = NULLCHAR;
14860 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14862 commentList[index] = (char *) malloc(len + 7);
14863 safeStrCpy(commentList[index], "{\n", 3);
14864 safeStrCpy(commentList[index]+2, text, len+1);
14865 commentList[index][len+2] = NULLCHAR;
14866 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14867 strcat(commentList[index], "\n}\n");
14881 if (ch == '\r') continue;
14883 } while (ch != '\0');
14887 AppendComment(index, text, addBraces)
14890 Boolean addBraces; // [HGM] braces: tells if we should add {}
14895 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14896 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14899 while (*text == '\n') text++;
14900 len = strlen(text);
14901 while (len > 0 && text[len - 1] == '\n') len--;
14903 if (len == 0) return;
14905 if (commentList[index] != NULL) {
14906 Boolean addClosingBrace = addBraces;
14907 old = commentList[index];
14908 oldlen = strlen(old);
14909 while(commentList[index][oldlen-1] == '\n')
14910 commentList[index][--oldlen] = NULLCHAR;
14911 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14912 safeStrCpy(commentList[index], old, oldlen + len + 6);
14914 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14915 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14916 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14917 while (*text == '\n') { text++; len--; }
14918 commentList[index][--oldlen] = NULLCHAR;
14920 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14921 else strcat(commentList[index], "\n");
14922 strcat(commentList[index], text);
14923 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14924 else strcat(commentList[index], "\n");
14926 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14928 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14929 else commentList[index][0] = NULLCHAR;
14930 strcat(commentList[index], text);
14931 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14932 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14936 static char * FindStr( char * text, char * sub_text )
14938 char * result = strstr( text, sub_text );
14940 if( result != NULL ) {
14941 result += strlen( sub_text );
14947 /* [AS] Try to extract PV info from PGN comment */
14948 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14949 char *GetInfoFromComment( int index, char * text )
14951 char * sep = text, *p;
14953 if( text != NULL && index > 0 ) {
14956 int time = -1, sec = 0, deci;
14957 char * s_eval = FindStr( text, "[%eval " );
14958 char * s_emt = FindStr( text, "[%emt " );
14960 if( s_eval != NULL || s_emt != NULL ) {
14964 if( s_eval != NULL ) {
14965 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14969 if( delim != ']' ) {
14974 if( s_emt != NULL ) {
14979 /* We expect something like: [+|-]nnn.nn/dd */
14982 if(*text != '{') return text; // [HGM] braces: must be normal comment
14984 sep = strchr( text, '/' );
14985 if( sep == NULL || sep < (text+4) ) {
14990 if(p[1] == '(') { // comment starts with PV
14991 p = strchr(p, ')'); // locate end of PV
14992 if(p == NULL || sep < p+5) return text;
14993 // at this point we have something like "{(.*) +0.23/6 ..."
14994 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14995 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14996 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14998 time = -1; sec = -1; deci = -1;
14999 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15000 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15001 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15002 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15006 if( score_lo < 0 || score_lo >= 100 ) {
15010 if(sec >= 0) time = 600*time + 10*sec; else
15011 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15013 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15015 /* [HGM] PV time: now locate end of PV info */
15016 while( *++sep >= '0' && *sep <= '9'); // strip depth
15018 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15020 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15022 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15023 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15034 pvInfoList[index-1].depth = depth;
15035 pvInfoList[index-1].score = score;
15036 pvInfoList[index-1].time = 10*time; // centi-sec
15037 if(*sep == '}') *sep = 0; else *--sep = '{';
15038 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15044 SendToProgram(message, cps)
15046 ChessProgramState *cps;
15048 int count, outCount, error;
15051 if (cps->pr == NoProc) return;
15054 if (appData.debugMode) {
15057 fprintf(debugFP, "%ld >%-6s: %s",
15058 SubtractTimeMarks(&now, &programStartTime),
15059 cps->which, message);
15062 count = strlen(message);
15063 outCount = OutputToProcess(cps->pr, message, count, &error);
15064 if (outCount < count && !exiting
15065 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15066 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15067 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15068 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15069 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15070 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15071 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15072 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15074 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15075 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15076 gameInfo.result = res;
15078 gameInfo.resultDetails = StrSave(buf);
15080 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15081 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15086 ReceiveFromProgram(isr, closure, message, count, error)
15087 InputSourceRef isr;
15095 ChessProgramState *cps = (ChessProgramState *)closure;
15097 if (isr != cps->isr) return; /* Killed intentionally */
15100 RemoveInputSource(cps->isr);
15101 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15102 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15103 _(cps->which), cps->program);
15104 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15105 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15106 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15107 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15108 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15110 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15111 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15112 gameInfo.result = res;
15114 gameInfo.resultDetails = StrSave(buf);
15116 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15117 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15119 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15120 _(cps->which), cps->program);
15121 RemoveInputSource(cps->isr);
15123 /* [AS] Program is misbehaving badly... kill it */
15124 if( count == -2 ) {
15125 DestroyChildProcess( cps->pr, 9 );
15129 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15134 if ((end_str = strchr(message, '\r')) != NULL)
15135 *end_str = NULLCHAR;
15136 if ((end_str = strchr(message, '\n')) != NULL)
15137 *end_str = NULLCHAR;
15139 if (appData.debugMode) {
15140 TimeMark now; int print = 1;
15141 char *quote = ""; char c; int i;
15143 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15144 char start = message[0];
15145 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15146 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15147 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15148 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15149 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15150 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15151 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15152 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15153 sscanf(message, "hint: %c", &c)!=1 &&
15154 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15155 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15156 print = (appData.engineComments >= 2);
15158 message[0] = start; // restore original message
15162 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15163 SubtractTimeMarks(&now, &programStartTime), cps->which,
15169 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15170 if (appData.icsEngineAnalyze) {
15171 if (strstr(message, "whisper") != NULL ||
15172 strstr(message, "kibitz") != NULL ||
15173 strstr(message, "tellics") != NULL) return;
15176 HandleMachineMove(message, cps);
15181 SendTimeControl(cps, mps, tc, inc, sd, st)
15182 ChessProgramState *cps;
15183 int mps, inc, sd, st;
15189 if( timeControl_2 > 0 ) {
15190 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15191 tc = timeControl_2;
15194 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15195 inc /= cps->timeOdds;
15196 st /= cps->timeOdds;
15198 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15201 /* Set exact time per move, normally using st command */
15202 if (cps->stKludge) {
15203 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15205 if (seconds == 0) {
15206 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15208 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15211 snprintf(buf, MSG_SIZ, "st %d\n", st);
15214 /* Set conventional or incremental time control, using level command */
15215 if (seconds == 0) {
15216 /* Note old gnuchess bug -- minutes:seconds used to not work.
15217 Fixed in later versions, but still avoid :seconds
15218 when seconds is 0. */
15219 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15221 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15222 seconds, inc/1000.);
15225 SendToProgram(buf, cps);
15227 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15228 /* Orthogonally, limit search to given depth */
15230 if (cps->sdKludge) {
15231 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15233 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15235 SendToProgram(buf, cps);
15238 if(cps->nps >= 0) { /* [HGM] nps */
15239 if(cps->supportsNPS == FALSE)
15240 cps->nps = -1; // don't use if engine explicitly says not supported!
15242 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15243 SendToProgram(buf, cps);
15248 ChessProgramState *WhitePlayer()
15249 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15251 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15252 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15258 SendTimeRemaining(cps, machineWhite)
15259 ChessProgramState *cps;
15260 int /*boolean*/ machineWhite;
15262 char message[MSG_SIZ];
15265 /* Note: this routine must be called when the clocks are stopped
15266 or when they have *just* been set or switched; otherwise
15267 it will be off by the time since the current tick started.
15269 if (machineWhite) {
15270 time = whiteTimeRemaining / 10;
15271 otime = blackTimeRemaining / 10;
15273 time = blackTimeRemaining / 10;
15274 otime = whiteTimeRemaining / 10;
15276 /* [HGM] translate opponent's time by time-odds factor */
15277 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15278 if (appData.debugMode) {
15279 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15282 if (time <= 0) time = 1;
15283 if (otime <= 0) otime = 1;
15285 snprintf(message, MSG_SIZ, "time %ld\n", time);
15286 SendToProgram(message, cps);
15288 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15289 SendToProgram(message, cps);
15293 BoolFeature(p, name, loc, cps)
15297 ChessProgramState *cps;
15300 int len = strlen(name);
15303 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15305 sscanf(*p, "%d", &val);
15307 while (**p && **p != ' ')
15309 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15310 SendToProgram(buf, cps);
15317 IntFeature(p, name, loc, cps)
15321 ChessProgramState *cps;
15324 int len = strlen(name);
15325 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15327 sscanf(*p, "%d", loc);
15328 while (**p && **p != ' ') (*p)++;
15329 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15330 SendToProgram(buf, cps);
15337 StringFeature(p, name, loc, cps)
15341 ChessProgramState *cps;
15344 int len = strlen(name);
15345 if (strncmp((*p), name, len) == 0
15346 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15348 sscanf(*p, "%[^\"]", loc);
15349 while (**p && **p != '\"') (*p)++;
15350 if (**p == '\"') (*p)++;
15351 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15352 SendToProgram(buf, cps);
15359 ParseOption(Option *opt, ChessProgramState *cps)
15360 // [HGM] options: process the string that defines an engine option, and determine
15361 // name, type, default value, and allowed value range
15363 char *p, *q, buf[MSG_SIZ];
15364 int n, min = (-1)<<31, max = 1<<31, def;
15366 if(p = strstr(opt->name, " -spin ")) {
15367 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15368 if(max < min) max = min; // enforce consistency
15369 if(def < min) def = min;
15370 if(def > max) def = max;
15375 } else if((p = strstr(opt->name, " -slider "))) {
15376 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15377 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15378 if(max < min) max = min; // enforce consistency
15379 if(def < min) def = min;
15380 if(def > max) def = max;
15384 opt->type = Spin; // Slider;
15385 } else if((p = strstr(opt->name, " -string "))) {
15386 opt->textValue = p+9;
15387 opt->type = TextBox;
15388 } else if((p = strstr(opt->name, " -file "))) {
15389 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15390 opt->textValue = p+7;
15391 opt->type = FileName; // FileName;
15392 } else if((p = strstr(opt->name, " -path "))) {
15393 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15394 opt->textValue = p+7;
15395 opt->type = PathName; // PathName;
15396 } else if(p = strstr(opt->name, " -check ")) {
15397 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15398 opt->value = (def != 0);
15399 opt->type = CheckBox;
15400 } else if(p = strstr(opt->name, " -combo ")) {
15401 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15402 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15403 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15404 opt->value = n = 0;
15405 while(q = StrStr(q, " /// ")) {
15406 n++; *q = 0; // count choices, and null-terminate each of them
15408 if(*q == '*') { // remember default, which is marked with * prefix
15412 cps->comboList[cps->comboCnt++] = q;
15414 cps->comboList[cps->comboCnt++] = NULL;
15416 opt->type = ComboBox;
15417 } else if(p = strstr(opt->name, " -button")) {
15418 opt->type = Button;
15419 } else if(p = strstr(opt->name, " -save")) {
15420 opt->type = SaveButton;
15421 } else return FALSE;
15422 *p = 0; // terminate option name
15423 // now look if the command-line options define a setting for this engine option.
15424 if(cps->optionSettings && cps->optionSettings[0])
15425 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15426 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15427 snprintf(buf, MSG_SIZ, "option %s", p);
15428 if(p = strstr(buf, ",")) *p = 0;
15429 if(q = strchr(buf, '=')) switch(opt->type) {
15431 for(n=0; n<opt->max; n++)
15432 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15435 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15439 opt->value = atoi(q+1);
15444 SendToProgram(buf, cps);
15450 FeatureDone(cps, val)
15451 ChessProgramState* cps;
15454 DelayedEventCallback cb = GetDelayedEvent();
15455 if ((cb == InitBackEnd3 && cps == &first) ||
15456 (cb == SettingsMenuIfReady && cps == &second) ||
15457 (cb == LoadEngine) ||
15458 (cb == TwoMachinesEventIfReady)) {
15459 CancelDelayedEvent();
15460 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15462 cps->initDone = val;
15465 /* Parse feature command from engine */
15467 ParseFeatures(args, cps)
15469 ChessProgramState *cps;
15477 while (*p == ' ') p++;
15478 if (*p == NULLCHAR) return;
15480 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15481 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15482 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15483 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15484 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15485 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15486 if (BoolFeature(&p, "reuse", &val, cps)) {
15487 /* Engine can disable reuse, but can't enable it if user said no */
15488 if (!val) cps->reuse = FALSE;
15491 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15492 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15493 if (gameMode == TwoMachinesPlay) {
15494 DisplayTwoMachinesTitle();
15500 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15501 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15502 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15503 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15504 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15505 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15506 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15507 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15508 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15509 if (IntFeature(&p, "done", &val, cps)) {
15510 FeatureDone(cps, val);
15513 /* Added by Tord: */
15514 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15515 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15516 /* End of additions by Tord */
15518 /* [HGM] added features: */
15519 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15520 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15521 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15522 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15523 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15524 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15525 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15526 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15527 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15528 SendToProgram(buf, cps);
15531 if(cps->nrOptions >= MAX_OPTIONS) {
15533 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15534 DisplayError(buf, 0);
15538 /* End of additions by HGM */
15540 /* unknown feature: complain and skip */
15542 while (*q && *q != '=') q++;
15543 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15544 SendToProgram(buf, cps);
15550 while (*p && *p != '\"') p++;
15551 if (*p == '\"') p++;
15553 while (*p && *p != ' ') p++;
15561 PeriodicUpdatesEvent(newState)
15564 if (newState == appData.periodicUpdates)
15567 appData.periodicUpdates=newState;
15569 /* Display type changes, so update it now */
15570 // DisplayAnalysis();
15572 /* Get the ball rolling again... */
15574 AnalysisPeriodicEvent(1);
15575 StartAnalysisClock();
15580 PonderNextMoveEvent(newState)
15583 if (newState == appData.ponderNextMove) return;
15584 if (gameMode == EditPosition) EditPositionDone(TRUE);
15586 SendToProgram("hard\n", &first);
15587 if (gameMode == TwoMachinesPlay) {
15588 SendToProgram("hard\n", &second);
15591 SendToProgram("easy\n", &first);
15592 thinkOutput[0] = NULLCHAR;
15593 if (gameMode == TwoMachinesPlay) {
15594 SendToProgram("easy\n", &second);
15597 appData.ponderNextMove = newState;
15601 NewSettingEvent(option, feature, command, value)
15603 int option, value, *feature;
15607 if (gameMode == EditPosition) EditPositionDone(TRUE);
15608 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15609 if(feature == NULL || *feature) SendToProgram(buf, &first);
15610 if (gameMode == TwoMachinesPlay) {
15611 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15616 ShowThinkingEvent()
15617 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15619 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15620 int newState = appData.showThinking
15621 // [HGM] thinking: other features now need thinking output as well
15622 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15624 if (oldState == newState) return;
15625 oldState = newState;
15626 if (gameMode == EditPosition) EditPositionDone(TRUE);
15628 SendToProgram("post\n", &first);
15629 if (gameMode == TwoMachinesPlay) {
15630 SendToProgram("post\n", &second);
15633 SendToProgram("nopost\n", &first);
15634 thinkOutput[0] = NULLCHAR;
15635 if (gameMode == TwoMachinesPlay) {
15636 SendToProgram("nopost\n", &second);
15639 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15643 AskQuestionEvent(title, question, replyPrefix, which)
15644 char *title; char *question; char *replyPrefix; char *which;
15646 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15647 if (pr == NoProc) return;
15648 AskQuestion(title, question, replyPrefix, pr);
15652 TypeInEvent(char firstChar)
15654 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15655 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15656 gameMode == AnalyzeMode || gameMode == EditGame ||
15657 gameMode == EditPosition || gameMode == IcsExamining ||
15658 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15659 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15660 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15661 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15662 gameMode == Training) PopUpMoveDialog(firstChar);
15666 TypeInDoneEvent(char *move)
15669 int n, fromX, fromY, toX, toY;
15671 ChessMove moveType;
15674 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15675 EditPositionPasteFEN(move);
15678 // [HGM] movenum: allow move number to be typed in any mode
15679 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15684 if (gameMode != EditGame && currentMove != forwardMostMove &&
15685 gameMode != Training) {
15686 DisplayMoveError(_("Displayed move is not current"));
15688 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15689 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15690 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15691 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15692 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15693 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15695 DisplayMoveError(_("Could not parse move"));
15701 DisplayMove(moveNumber)
15704 char message[MSG_SIZ];
15706 char cpThinkOutput[MSG_SIZ];
15708 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15710 if (moveNumber == forwardMostMove - 1 ||
15711 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15713 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15715 if (strchr(cpThinkOutput, '\n')) {
15716 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15719 *cpThinkOutput = NULLCHAR;
15722 /* [AS] Hide thinking from human user */
15723 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15724 *cpThinkOutput = NULLCHAR;
15725 if( thinkOutput[0] != NULLCHAR ) {
15728 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15729 cpThinkOutput[i] = '.';
15731 cpThinkOutput[i] = NULLCHAR;
15732 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15736 if (moveNumber == forwardMostMove - 1 &&
15737 gameInfo.resultDetails != NULL) {
15738 if (gameInfo.resultDetails[0] == NULLCHAR) {
15739 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15741 snprintf(res, MSG_SIZ, " {%s} %s",
15742 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15748 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15749 DisplayMessage(res, cpThinkOutput);
15751 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15752 WhiteOnMove(moveNumber) ? " " : ".. ",
15753 parseList[moveNumber], res);
15754 DisplayMessage(message, cpThinkOutput);
15759 DisplayComment(moveNumber, text)
15763 char title[MSG_SIZ];
15765 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15766 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15768 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15769 WhiteOnMove(moveNumber) ? " " : ".. ",
15770 parseList[moveNumber]);
15772 if (text != NULL && (appData.autoDisplayComment || commentUp))
15773 CommentPopUp(title, text);
15776 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15777 * might be busy thinking or pondering. It can be omitted if your
15778 * gnuchess is configured to stop thinking immediately on any user
15779 * input. However, that gnuchess feature depends on the FIONREAD
15780 * ioctl, which does not work properly on some flavors of Unix.
15784 ChessProgramState *cps;
15787 if (!cps->useSigint) return;
15788 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15789 switch (gameMode) {
15790 case MachinePlaysWhite:
15791 case MachinePlaysBlack:
15792 case TwoMachinesPlay:
15793 case IcsPlayingWhite:
15794 case IcsPlayingBlack:
15797 /* Skip if we know it isn't thinking */
15798 if (!cps->maybeThinking) return;
15799 if (appData.debugMode)
15800 fprintf(debugFP, "Interrupting %s\n", cps->which);
15801 InterruptChildProcess(cps->pr);
15802 cps->maybeThinking = FALSE;
15807 #endif /*ATTENTION*/
15813 if (whiteTimeRemaining <= 0) {
15816 if (appData.icsActive) {
15817 if (appData.autoCallFlag &&
15818 gameMode == IcsPlayingBlack && !blackFlag) {
15819 SendToICS(ics_prefix);
15820 SendToICS("flag\n");
15824 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15826 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15827 if (appData.autoCallFlag) {
15828 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15835 if (blackTimeRemaining <= 0) {
15838 if (appData.icsActive) {
15839 if (appData.autoCallFlag &&
15840 gameMode == IcsPlayingWhite && !whiteFlag) {
15841 SendToICS(ics_prefix);
15842 SendToICS("flag\n");
15846 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15848 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15849 if (appData.autoCallFlag) {
15850 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15863 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15864 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15867 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15869 if ( !WhiteOnMove(forwardMostMove) ) {
15870 /* White made time control */
15871 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15872 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15873 /* [HGM] time odds: correct new time quota for time odds! */
15874 / WhitePlayer()->timeOdds;
15875 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15877 lastBlack -= blackTimeRemaining;
15878 /* Black made time control */
15879 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15880 / WhitePlayer()->other->timeOdds;
15881 lastWhite = whiteTimeRemaining;
15886 DisplayBothClocks()
15888 int wom = gameMode == EditPosition ?
15889 !blackPlaysFirst : WhiteOnMove(currentMove);
15890 DisplayWhiteClock(whiteTimeRemaining, wom);
15891 DisplayBlackClock(blackTimeRemaining, !wom);
15895 /* Timekeeping seems to be a portability nightmare. I think everyone
15896 has ftime(), but I'm really not sure, so I'm including some ifdefs
15897 to use other calls if you don't. Clocks will be less accurate if
15898 you have neither ftime nor gettimeofday.
15901 /* VS 2008 requires the #include outside of the function */
15902 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15903 #include <sys/timeb.h>
15906 /* Get the current time as a TimeMark */
15911 #if HAVE_GETTIMEOFDAY
15913 struct timeval timeVal;
15914 struct timezone timeZone;
15916 gettimeofday(&timeVal, &timeZone);
15917 tm->sec = (long) timeVal.tv_sec;
15918 tm->ms = (int) (timeVal.tv_usec / 1000L);
15920 #else /*!HAVE_GETTIMEOFDAY*/
15923 // include <sys/timeb.h> / moved to just above start of function
15924 struct timeb timeB;
15927 tm->sec = (long) timeB.time;
15928 tm->ms = (int) timeB.millitm;
15930 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15931 tm->sec = (long) time(NULL);
15937 /* Return the difference in milliseconds between two
15938 time marks. We assume the difference will fit in a long!
15941 SubtractTimeMarks(tm2, tm1)
15942 TimeMark *tm2, *tm1;
15944 return 1000L*(tm2->sec - tm1->sec) +
15945 (long) (tm2->ms - tm1->ms);
15950 * Code to manage the game clocks.
15952 * In tournament play, black starts the clock and then white makes a move.
15953 * We give the human user a slight advantage if he is playing white---the
15954 * clocks don't run until he makes his first move, so it takes zero time.
15955 * Also, we don't account for network lag, so we could get out of sync
15956 * with GNU Chess's clock -- but then, referees are always right.
15959 static TimeMark tickStartTM;
15960 static long intendedTickLength;
15963 NextTickLength(timeRemaining)
15964 long timeRemaining;
15966 long nominalTickLength, nextTickLength;
15968 if (timeRemaining > 0L && timeRemaining <= 10000L)
15969 nominalTickLength = 100L;
15971 nominalTickLength = 1000L;
15972 nextTickLength = timeRemaining % nominalTickLength;
15973 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15975 return nextTickLength;
15978 /* Adjust clock one minute up or down */
15980 AdjustClock(Boolean which, int dir)
15982 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15983 if(which) blackTimeRemaining += 60000*dir;
15984 else whiteTimeRemaining += 60000*dir;
15985 DisplayBothClocks();
15986 adjustedClock = TRUE;
15989 /* Stop clocks and reset to a fresh time control */
15993 (void) StopClockTimer();
15994 if (appData.icsActive) {
15995 whiteTimeRemaining = blackTimeRemaining = 0;
15996 } else if (searchTime) {
15997 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15998 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15999 } else { /* [HGM] correct new time quote for time odds */
16000 whiteTC = blackTC = fullTimeControlString;
16001 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16002 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16004 if (whiteFlag || blackFlag) {
16006 whiteFlag = blackFlag = FALSE;
16008 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16009 DisplayBothClocks();
16010 adjustedClock = FALSE;
16013 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16015 /* Decrement running clock by amount of time that has passed */
16019 long timeRemaining;
16020 long lastTickLength, fudge;
16023 if (!appData.clockMode) return;
16024 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16028 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16030 /* Fudge if we woke up a little too soon */
16031 fudge = intendedTickLength - lastTickLength;
16032 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16034 if (WhiteOnMove(forwardMostMove)) {
16035 if(whiteNPS >= 0) lastTickLength = 0;
16036 timeRemaining = whiteTimeRemaining -= lastTickLength;
16037 if(timeRemaining < 0 && !appData.icsActive) {
16038 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16039 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16040 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16041 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16044 DisplayWhiteClock(whiteTimeRemaining - fudge,
16045 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16047 if(blackNPS >= 0) lastTickLength = 0;
16048 timeRemaining = blackTimeRemaining -= lastTickLength;
16049 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16050 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16052 blackStartMove = forwardMostMove;
16053 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16056 DisplayBlackClock(blackTimeRemaining - fudge,
16057 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16059 if (CheckFlags()) return;
16062 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16063 StartClockTimer(intendedTickLength);
16065 /* if the time remaining has fallen below the alarm threshold, sound the
16066 * alarm. if the alarm has sounded and (due to a takeback or time control
16067 * with increment) the time remaining has increased to a level above the
16068 * threshold, reset the alarm so it can sound again.
16071 if (appData.icsActive && appData.icsAlarm) {
16073 /* make sure we are dealing with the user's clock */
16074 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16075 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16078 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16079 alarmSounded = FALSE;
16080 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16082 alarmSounded = TRUE;
16088 /* A player has just moved, so stop the previously running
16089 clock and (if in clock mode) start the other one.
16090 We redisplay both clocks in case we're in ICS mode, because
16091 ICS gives us an update to both clocks after every move.
16092 Note that this routine is called *after* forwardMostMove
16093 is updated, so the last fractional tick must be subtracted
16094 from the color that is *not* on move now.
16097 SwitchClocks(int newMoveNr)
16099 long lastTickLength;
16101 int flagged = FALSE;
16105 if (StopClockTimer() && appData.clockMode) {
16106 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16107 if (!WhiteOnMove(forwardMostMove)) {
16108 if(blackNPS >= 0) lastTickLength = 0;
16109 blackTimeRemaining -= 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 = // use GUI time
16113 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16115 if(whiteNPS >= 0) lastTickLength = 0;
16116 whiteTimeRemaining -= lastTickLength;
16117 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16118 // if(pvInfoList[forwardMostMove].time == -1)
16119 pvInfoList[forwardMostMove].time =
16120 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16122 flagged = CheckFlags();
16124 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16125 CheckTimeControl();
16127 if (flagged || !appData.clockMode) return;
16129 switch (gameMode) {
16130 case MachinePlaysBlack:
16131 case MachinePlaysWhite:
16132 case BeginningOfGame:
16133 if (pausing) return;
16137 case PlayFromGameFile:
16145 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16146 if(WhiteOnMove(forwardMostMove))
16147 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16148 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16152 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16153 whiteTimeRemaining : blackTimeRemaining);
16154 StartClockTimer(intendedTickLength);
16158 /* Stop both clocks */
16162 long lastTickLength;
16165 if (!StopClockTimer()) return;
16166 if (!appData.clockMode) return;
16170 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16171 if (WhiteOnMove(forwardMostMove)) {
16172 if(whiteNPS >= 0) lastTickLength = 0;
16173 whiteTimeRemaining -= lastTickLength;
16174 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16176 if(blackNPS >= 0) lastTickLength = 0;
16177 blackTimeRemaining -= lastTickLength;
16178 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16183 /* Start clock of player on move. Time may have been reset, so
16184 if clock is already running, stop and restart it. */
16188 (void) StopClockTimer(); /* in case it was running already */
16189 DisplayBothClocks();
16190 if (CheckFlags()) return;
16192 if (!appData.clockMode) return;
16193 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16195 GetTimeMark(&tickStartTM);
16196 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16197 whiteTimeRemaining : blackTimeRemaining);
16199 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16200 whiteNPS = blackNPS = -1;
16201 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16202 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16203 whiteNPS = first.nps;
16204 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16205 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16206 blackNPS = first.nps;
16207 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16208 whiteNPS = second.nps;
16209 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16210 blackNPS = second.nps;
16211 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16213 StartClockTimer(intendedTickLength);
16220 long second, minute, hour, day;
16222 static char buf[32];
16224 if (ms > 0 && ms <= 9900) {
16225 /* convert milliseconds to tenths, rounding up */
16226 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16228 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16232 /* convert milliseconds to seconds, rounding up */
16233 /* use floating point to avoid strangeness of integer division
16234 with negative dividends on many machines */
16235 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16242 day = second / (60 * 60 * 24);
16243 second = second % (60 * 60 * 24);
16244 hour = second / (60 * 60);
16245 second = second % (60 * 60);
16246 minute = second / 60;
16247 second = second % 60;
16250 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16251 sign, day, hour, minute, second);
16253 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16255 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16262 * This is necessary because some C libraries aren't ANSI C compliant yet.
16265 StrStr(string, match)
16266 char *string, *match;
16270 length = strlen(match);
16272 for (i = strlen(string) - length; i >= 0; i--, string++)
16273 if (!strncmp(match, string, length))
16280 StrCaseStr(string, match)
16281 char *string, *match;
16285 length = strlen(match);
16287 for (i = strlen(string) - length; i >= 0; i--, string++) {
16288 for (j = 0; j < length; j++) {
16289 if (ToLower(match[j]) != ToLower(string[j]))
16292 if (j == length) return string;
16306 c1 = ToLower(*s1++);
16307 c2 = ToLower(*s2++);
16308 if (c1 > c2) return 1;
16309 if (c1 < c2) return -1;
16310 if (c1 == NULLCHAR) return 0;
16319 return isupper(c) ? tolower(c) : c;
16327 return islower(c) ? toupper(c) : c;
16329 #endif /* !_amigados */
16337 if ((ret = (char *) malloc(strlen(s) + 1)))
16339 safeStrCpy(ret, s, strlen(s)+1);
16345 StrSavePtr(s, savePtr)
16346 char *s, **savePtr;
16351 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16352 safeStrCpy(*savePtr, s, strlen(s)+1);
16364 clock = time((time_t *)NULL);
16365 tm = localtime(&clock);
16366 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16367 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16368 return StrSave(buf);
16373 PositionToFEN(move, overrideCastling)
16375 char *overrideCastling;
16377 int i, j, fromX, fromY, toX, toY;
16384 whiteToPlay = (gameMode == EditPosition) ?
16385 !blackPlaysFirst : (move % 2 == 0);
16388 /* Piece placement data */
16389 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16390 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16392 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16393 if (boards[move][i][j] == EmptySquare) {
16395 } else { ChessSquare piece = boards[move][i][j];
16396 if (emptycount > 0) {
16397 if(emptycount<10) /* [HGM] can be >= 10 */
16398 *p++ = '0' + emptycount;
16399 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16402 if(PieceToChar(piece) == '+') {
16403 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16405 piece = (ChessSquare)(DEMOTED piece);
16407 *p++ = PieceToChar(piece);
16409 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16410 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16415 if (emptycount > 0) {
16416 if(emptycount<10) /* [HGM] can be >= 10 */
16417 *p++ = '0' + emptycount;
16418 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16425 /* [HGM] print Crazyhouse or Shogi holdings */
16426 if( gameInfo.holdingsWidth ) {
16427 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16429 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16430 piece = boards[move][i][BOARD_WIDTH-1];
16431 if( piece != EmptySquare )
16432 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16433 *p++ = PieceToChar(piece);
16435 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16436 piece = boards[move][BOARD_HEIGHT-i-1][0];
16437 if( piece != EmptySquare )
16438 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16439 *p++ = PieceToChar(piece);
16442 if( q == p ) *p++ = '-';
16448 *p++ = whiteToPlay ? 'w' : 'b';
16451 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16452 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16454 if(nrCastlingRights) {
16456 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16457 /* [HGM] write directly from rights */
16458 if(boards[move][CASTLING][2] != NoRights &&
16459 boards[move][CASTLING][0] != NoRights )
16460 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16461 if(boards[move][CASTLING][2] != NoRights &&
16462 boards[move][CASTLING][1] != NoRights )
16463 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16464 if(boards[move][CASTLING][5] != NoRights &&
16465 boards[move][CASTLING][3] != NoRights )
16466 *p++ = boards[move][CASTLING][3] + AAA;
16467 if(boards[move][CASTLING][5] != NoRights &&
16468 boards[move][CASTLING][4] != NoRights )
16469 *p++ = boards[move][CASTLING][4] + AAA;
16472 /* [HGM] write true castling rights */
16473 if( nrCastlingRights == 6 ) {
16474 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16475 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16476 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16477 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16478 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16479 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16480 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16481 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16484 if (q == p) *p++ = '-'; /* No castling rights */
16488 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16489 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16490 /* En passant target square */
16491 if (move > backwardMostMove) {
16492 fromX = moveList[move - 1][0] - AAA;
16493 fromY = moveList[move - 1][1] - ONE;
16494 toX = moveList[move - 1][2] - AAA;
16495 toY = moveList[move - 1][3] - ONE;
16496 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16497 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16498 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16500 /* 2-square pawn move just happened */
16502 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16506 } else if(move == backwardMostMove) {
16507 // [HGM] perhaps we should always do it like this, and forget the above?
16508 if((signed char)boards[move][EP_STATUS] >= 0) {
16509 *p++ = boards[move][EP_STATUS] + AAA;
16510 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16521 /* [HGM] find reversible plies */
16522 { int i = 0, j=move;
16524 if (appData.debugMode) { int k;
16525 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16526 for(k=backwardMostMove; k<=forwardMostMove; k++)
16527 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16531 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16532 if( j == backwardMostMove ) i += initialRulePlies;
16533 sprintf(p, "%d ", i);
16534 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16536 /* Fullmove number */
16537 sprintf(p, "%d", (move / 2) + 1);
16539 return StrSave(buf);
16543 ParseFEN(board, blackPlaysFirst, fen)
16545 int *blackPlaysFirst;
16555 /* [HGM] by default clear Crazyhouse holdings, if present */
16556 if(gameInfo.holdingsWidth) {
16557 for(i=0; i<BOARD_HEIGHT; i++) {
16558 board[i][0] = EmptySquare; /* black holdings */
16559 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16560 board[i][1] = (ChessSquare) 0; /* black counts */
16561 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16565 /* Piece placement data */
16566 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16569 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16570 if (*p == '/') p++;
16571 emptycount = gameInfo.boardWidth - j;
16572 while (emptycount--)
16573 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16575 #if(BOARD_FILES >= 10)
16576 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16577 p++; emptycount=10;
16578 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16579 while (emptycount--)
16580 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16582 } else if (isdigit(*p)) {
16583 emptycount = *p++ - '0';
16584 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16585 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16586 while (emptycount--)
16587 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16588 } else if (*p == '+' || isalpha(*p)) {
16589 if (j >= gameInfo.boardWidth) return FALSE;
16591 piece = CharToPiece(*++p);
16592 if(piece == EmptySquare) return FALSE; /* unknown piece */
16593 piece = (ChessSquare) (PROMOTED piece ); p++;
16594 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16595 } else piece = CharToPiece(*p++);
16597 if(piece==EmptySquare) return FALSE; /* unknown piece */
16598 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16599 piece = (ChessSquare) (PROMOTED piece);
16600 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16603 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16609 while (*p == '/' || *p == ' ') p++;
16611 /* [HGM] look for Crazyhouse holdings here */
16612 while(*p==' ') p++;
16613 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16615 if(*p == '-' ) p++; /* empty holdings */ else {
16616 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16617 /* if we would allow FEN reading to set board size, we would */
16618 /* have to add holdings and shift the board read so far here */
16619 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16621 if((int) piece >= (int) BlackPawn ) {
16622 i = (int)piece - (int)BlackPawn;
16623 i = PieceToNumber((ChessSquare)i);
16624 if( i >= gameInfo.holdingsSize ) return FALSE;
16625 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16626 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16628 i = (int)piece - (int)WhitePawn;
16629 i = PieceToNumber((ChessSquare)i);
16630 if( i >= gameInfo.holdingsSize ) return FALSE;
16631 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16632 board[i][BOARD_WIDTH-2]++; /* black holdings */
16639 while(*p == ' ') p++;
16643 if(appData.colorNickNames) {
16644 if( c == appData.colorNickNames[0] ) c = 'w'; else
16645 if( c == appData.colorNickNames[1] ) c = 'b';
16649 *blackPlaysFirst = FALSE;
16652 *blackPlaysFirst = TRUE;
16658 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16659 /* return the extra info in global variiables */
16661 /* set defaults in case FEN is incomplete */
16662 board[EP_STATUS] = EP_UNKNOWN;
16663 for(i=0; i<nrCastlingRights; i++ ) {
16664 board[CASTLING][i] =
16665 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16666 } /* assume possible unless obviously impossible */
16667 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16668 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16669 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16670 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16671 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16672 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16673 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16674 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16677 while(*p==' ') p++;
16678 if(nrCastlingRights) {
16679 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16680 /* castling indicator present, so default becomes no castlings */
16681 for(i=0; i<nrCastlingRights; i++ ) {
16682 board[CASTLING][i] = NoRights;
16685 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16686 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16687 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16688 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16689 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16691 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16692 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16693 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16695 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16696 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16697 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16698 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16699 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16700 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16703 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16704 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16705 board[CASTLING][2] = whiteKingFile;
16708 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16709 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16710 board[CASTLING][2] = whiteKingFile;
16713 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16714 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16715 board[CASTLING][5] = blackKingFile;
16718 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16719 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16720 board[CASTLING][5] = blackKingFile;
16723 default: /* FRC castlings */
16724 if(c >= 'a') { /* black rights */
16725 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16726 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16727 if(i == BOARD_RGHT) break;
16728 board[CASTLING][5] = i;
16730 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16731 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16733 board[CASTLING][3] = c;
16735 board[CASTLING][4] = c;
16736 } else { /* white rights */
16737 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16738 if(board[0][i] == WhiteKing) break;
16739 if(i == BOARD_RGHT) break;
16740 board[CASTLING][2] = i;
16741 c -= AAA - 'a' + 'A';
16742 if(board[0][c] >= WhiteKing) break;
16744 board[CASTLING][0] = c;
16746 board[CASTLING][1] = c;
16750 for(i=0; i<nrCastlingRights; i++)
16751 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16752 if (appData.debugMode) {
16753 fprintf(debugFP, "FEN castling rights:");
16754 for(i=0; i<nrCastlingRights; i++)
16755 fprintf(debugFP, " %d", board[CASTLING][i]);
16756 fprintf(debugFP, "\n");
16759 while(*p==' ') p++;
16762 /* read e.p. field in games that know e.p. capture */
16763 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16764 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16766 p++; board[EP_STATUS] = EP_NONE;
16768 char c = *p++ - AAA;
16770 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16771 if(*p >= '0' && *p <='9') p++;
16772 board[EP_STATUS] = c;
16777 if(sscanf(p, "%d", &i) == 1) {
16778 FENrulePlies = i; /* 50-move ply counter */
16779 /* (The move number is still ignored) */
16786 EditPositionPasteFEN(char *fen)
16789 Board initial_position;
16791 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16792 DisplayError(_("Bad FEN position in clipboard"), 0);
16795 int savedBlackPlaysFirst = blackPlaysFirst;
16796 EditPositionEvent();
16797 blackPlaysFirst = savedBlackPlaysFirst;
16798 CopyBoard(boards[0], initial_position);
16799 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16800 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16801 DisplayBothClocks();
16802 DrawPosition(FALSE, boards[currentMove]);
16807 static char cseq[12] = "\\ ";
16809 Boolean set_cont_sequence(char *new_seq)
16814 // handle bad attempts to set the sequence
16816 return 0; // acceptable error - no debug
16818 len = strlen(new_seq);
16819 ret = (len > 0) && (len < sizeof(cseq));
16821 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16822 else if (appData.debugMode)
16823 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16828 reformat a source message so words don't cross the width boundary. internal
16829 newlines are not removed. returns the wrapped size (no null character unless
16830 included in source message). If dest is NULL, only calculate the size required
16831 for the dest buffer. lp argument indicats line position upon entry, and it's
16832 passed back upon exit.
16834 int wrap(char *dest, char *src, int count, int width, int *lp)
16836 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16838 cseq_len = strlen(cseq);
16839 old_line = line = *lp;
16840 ansi = len = clen = 0;
16842 for (i=0; i < count; i++)
16844 if (src[i] == '\033')
16847 // if we hit the width, back up
16848 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16850 // store i & len in case the word is too long
16851 old_i = i, old_len = len;
16853 // find the end of the last word
16854 while (i && src[i] != ' ' && src[i] != '\n')
16860 // word too long? restore i & len before splitting it
16861 if ((old_i-i+clen) >= width)
16868 if (i && src[i-1] == ' ')
16871 if (src[i] != ' ' && src[i] != '\n')
16878 // now append the newline and continuation sequence
16883 strncpy(dest+len, cseq, cseq_len);
16891 dest[len] = src[i];
16895 if (src[i] == '\n')
16900 if (dest && appData.debugMode)
16902 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16903 count, width, line, len, *lp);
16904 show_bytes(debugFP, src, count);
16905 fprintf(debugFP, "\ndest: ");
16906 show_bytes(debugFP, dest, len);
16907 fprintf(debugFP, "\n");
16909 *lp = dest ? line : old_line;
16914 // [HGM] vari: routines for shelving variations
16915 Boolean modeRestore = FALSE;
16918 PushInner(int firstMove, int lastMove)
16920 int i, j, nrMoves = lastMove - firstMove;
16922 // push current tail of game on stack
16923 savedResult[storedGames] = gameInfo.result;
16924 savedDetails[storedGames] = gameInfo.resultDetails;
16925 gameInfo.resultDetails = NULL;
16926 savedFirst[storedGames] = firstMove;
16927 savedLast [storedGames] = lastMove;
16928 savedFramePtr[storedGames] = framePtr;
16929 framePtr -= nrMoves; // reserve space for the boards
16930 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16931 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16932 for(j=0; j<MOVE_LEN; j++)
16933 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16934 for(j=0; j<2*MOVE_LEN; j++)
16935 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16936 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16937 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16938 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16939 pvInfoList[firstMove+i-1].depth = 0;
16940 commentList[framePtr+i] = commentList[firstMove+i];
16941 commentList[firstMove+i] = NULL;
16945 forwardMostMove = firstMove; // truncate game so we can start variation
16949 PushTail(int firstMove, int lastMove)
16951 if(appData.icsActive) { // only in local mode
16952 forwardMostMove = currentMove; // mimic old ICS behavior
16955 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16957 PushInner(firstMove, lastMove);
16958 if(storedGames == 1) GreyRevert(FALSE);
16959 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16963 PopInner(Boolean annotate)
16966 char buf[8000], moveBuf[20];
16968 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16969 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16970 nrMoves = savedLast[storedGames] - currentMove;
16973 if(!WhiteOnMove(currentMove))
16974 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16975 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16976 for(i=currentMove; i<forwardMostMove; i++) {
16978 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16979 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16980 strcat(buf, moveBuf);
16981 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16982 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16986 for(i=1; i<=nrMoves; i++) { // copy last variation back
16987 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16988 for(j=0; j<MOVE_LEN; j++)
16989 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16990 for(j=0; j<2*MOVE_LEN; j++)
16991 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16992 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16993 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16994 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16995 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16996 commentList[currentMove+i] = commentList[framePtr+i];
16997 commentList[framePtr+i] = NULL;
16999 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17000 framePtr = savedFramePtr[storedGames];
17001 gameInfo.result = savedResult[storedGames];
17002 if(gameInfo.resultDetails != NULL) {
17003 free(gameInfo.resultDetails);
17005 gameInfo.resultDetails = savedDetails[storedGames];
17006 forwardMostMove = currentMove + nrMoves;
17010 PopTail(Boolean annotate)
17012 if(appData.icsActive) return FALSE; // only in local mode
17013 if(!storedGames) return FALSE; // sanity
17014 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17016 PopInner(annotate);
17017 if(currentMove < forwardMostMove) ForwardEvent(); else
17018 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17020 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17026 { // remove all shelved variations
17028 for(i=0; i<storedGames; i++) {
17029 if(savedDetails[i])
17030 free(savedDetails[i]);
17031 savedDetails[i] = NULL;
17033 for(i=framePtr; i<MAX_MOVES; i++) {
17034 if(commentList[i]) free(commentList[i]);
17035 commentList[i] = NULL;
17037 framePtr = MAX_MOVES-1;
17042 LoadVariation(int index, char *text)
17043 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17044 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17045 int level = 0, move;
17047 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17048 // first find outermost bracketing variation
17049 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17050 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17051 if(*p == '{') wait = '}'; else
17052 if(*p == '[') wait = ']'; else
17053 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17054 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17056 if(*p == wait) wait = NULLCHAR; // closing ]} found
17059 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17060 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17061 end[1] = NULLCHAR; // clip off comment beyond variation
17062 ToNrEvent(currentMove-1);
17063 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17064 // kludge: use ParsePV() to append variation to game
17065 move = currentMove;
17066 ParsePV(start, TRUE, TRUE);
17067 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17068 ClearPremoveHighlights();
17070 ToNrEvent(currentMove+1);