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, 2012, 2013 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"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
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(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
228 static int NonStandardBoardSize P((void));
231 extern void ConsoleCreate();
234 ChessProgramState *WhitePlayer();
235 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
236 int VerifyDisplayMode P(());
238 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
239 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
240 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
241 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
242 void ics_update_width P((int new_width));
243 extern char installDir[MSG_SIZ];
244 VariantClass startVariant; /* [HGM] nicks: initial variant */
247 extern int tinyLayout, smallLayout;
248 ChessProgramStats programStats;
249 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
251 static int exiting = 0; /* [HGM] moved to top */
252 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
253 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
254 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
255 int partnerHighlight[2];
256 Boolean partnerBoardValid = 0;
257 char partnerStatus[MSG_SIZ];
259 Boolean originalFlip;
260 Boolean twoBoards = 0;
261 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
262 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
263 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
264 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
265 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
266 int opponentKibitzes;
267 int lastSavedGame; /* [HGM] save: ID of game */
268 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
269 extern int chatCount;
271 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
272 char lastMsg[MSG_SIZ];
273 ChessSquare pieceSweep = EmptySquare;
274 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
275 int promoDefaultAltered;
276 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
278 /* States for ics_getting_history */
280 #define H_REQUESTED 1
281 #define H_GOT_REQ_HEADER 2
282 #define H_GOT_UNREQ_HEADER 3
283 #define H_GETTING_MOVES 4
284 #define H_GOT_UNWANTED_HEADER 5
286 /* whosays values for GameEnds */
295 /* Maximum number of games in a cmail message */
296 #define CMAIL_MAX_GAMES 20
298 /* Different types of move when calling RegisterMove */
300 #define CMAIL_RESIGN 1
302 #define CMAIL_ACCEPT 3
304 /* Different types of result to remember for each game */
305 #define CMAIL_NOT_RESULT 0
306 #define CMAIL_OLD_RESULT 1
307 #define CMAIL_NEW_RESULT 2
309 /* Telnet protocol constants */
320 safeStrCpy (char *dst, const char *src, size_t count)
323 assert( dst != NULL );
324 assert( src != NULL );
327 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
328 if( i == count && dst[count-1] != NULLCHAR)
330 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
331 if(appData.debugMode)
332 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
338 /* Some compiler can't cast u64 to double
339 * This function do the job for us:
341 * We use the highest bit for cast, this only
342 * works if the highest bit is not
343 * in use (This should not happen)
345 * We used this for all compiler
348 u64ToDouble (u64 value)
351 u64 tmp = value & u64Const(0x7fffffffffffffff);
352 r = (double)(s64)tmp;
353 if (value & u64Const(0x8000000000000000))
354 r += 9.2233720368547758080e18; /* 2^63 */
358 /* Fake up flags for now, as we aren't keeping track of castling
359 availability yet. [HGM] Change of logic: the flag now only
360 indicates the type of castlings allowed by the rule of the game.
361 The actual rights themselves are maintained in the array
362 castlingRights, as part of the game history, and are not probed
368 int flags = F_ALL_CASTLE_OK;
369 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
370 switch (gameInfo.variant) {
372 flags &= ~F_ALL_CASTLE_OK;
373 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
374 flags |= F_IGNORE_CHECK;
376 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
379 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
381 case VariantKriegspiel:
382 flags |= F_KRIEGSPIEL_CAPTURE;
384 case VariantCapaRandom:
385 case VariantFischeRandom:
386 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
387 case VariantNoCastle:
388 case VariantShatranj:
393 flags &= ~F_ALL_CASTLE_OK;
401 FILE *gameFileFP, *debugFP, *serverFP;
402 char *currentDebugFile; // [HGM] debug split: to remember name
405 [AS] Note: sometimes, the sscanf() function is used to parse the input
406 into a fixed-size buffer. Because of this, we must be prepared to
407 receive strings as long as the size of the input buffer, which is currently
408 set to 4K for Windows and 8K for the rest.
409 So, we must either allocate sufficiently large buffers here, or
410 reduce the size of the input buffer in the input reading part.
413 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
414 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
415 char thinkOutput1[MSG_SIZ*10];
417 ChessProgramState first, second, pairing;
419 /* premove variables */
422 int premoveFromX = 0;
423 int premoveFromY = 0;
424 int premovePromoChar = 0;
426 Boolean alarmSounded;
427 /* end premove variables */
429 char *ics_prefix = "$";
430 enum ICS_TYPE ics_type = ICS_GENERIC;
432 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
433 int pauseExamForwardMostMove = 0;
434 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
435 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
436 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
437 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
438 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
439 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
440 int whiteFlag = FALSE, blackFlag = FALSE;
441 int userOfferedDraw = FALSE;
442 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
443 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
444 int cmailMoveType[CMAIL_MAX_GAMES];
445 long ics_clock_paused = 0;
446 ProcRef icsPR = NoProc, cmailPR = NoProc;
447 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
448 GameMode gameMode = BeginningOfGame;
449 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
450 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
451 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
452 int hiddenThinkOutputState = 0; /* [AS] */
453 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
454 int adjudicateLossPlies = 6;
455 char white_holding[64], black_holding[64];
456 TimeMark lastNodeCountTime;
457 long lastNodeCount=0;
458 int shiftKey, controlKey; // [HGM] set by mouse handler
460 int have_sent_ICS_logon = 0;
462 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
463 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
464 Boolean adjustedClock;
465 long timeControl_2; /* [AS] Allow separate time controls */
466 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
467 long timeRemaining[2][MAX_MOVES];
468 int matchGame = 0, nextGame = 0, roundNr = 0;
469 Boolean waitingForGame = FALSE, startingEngine = FALSE;
470 TimeMark programStartTime, pauseStart;
471 char ics_handle[MSG_SIZ];
472 int have_set_title = 0;
474 /* animateTraining preserves the state of appData.animate
475 * when Training mode is activated. This allows the
476 * response to be animated when appData.animate == TRUE and
477 * appData.animateDragging == TRUE.
479 Boolean animateTraining;
485 Board boards[MAX_MOVES];
486 /* [HGM] Following 7 needed for accurate legality tests: */
487 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
488 signed char initialRights[BOARD_FILES];
489 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
490 int initialRulePlies, FENrulePlies;
491 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
493 Boolean shuffleOpenings;
494 int mute; // mute all sounds
496 // [HGM] vari: next 12 to save and restore variations
497 #define MAX_VARIATIONS 10
498 int framePtr = MAX_MOVES-1; // points to free stack entry
500 int savedFirst[MAX_VARIATIONS];
501 int savedLast[MAX_VARIATIONS];
502 int savedFramePtr[MAX_VARIATIONS];
503 char *savedDetails[MAX_VARIATIONS];
504 ChessMove savedResult[MAX_VARIATIONS];
506 void PushTail P((int firstMove, int lastMove));
507 Boolean PopTail P((Boolean annotate));
508 void PushInner P((int firstMove, int lastMove));
509 void PopInner P((Boolean annotate));
510 void CleanupTail P((void));
512 ChessSquare FIDEArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
514 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
515 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
516 BlackKing, BlackBishop, BlackKnight, BlackRook }
519 ChessSquare twoKingsArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
521 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
522 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
523 BlackKing, BlackKing, BlackKnight, BlackRook }
526 ChessSquare KnightmateArray[2][BOARD_FILES] = {
527 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
528 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
529 { BlackRook, BlackMan, BlackBishop, BlackQueen,
530 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
533 ChessSquare SpartanArray[2][BOARD_FILES] = {
534 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
535 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
536 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
537 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
540 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
541 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
542 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
543 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
544 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
547 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
548 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
549 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
550 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
551 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
554 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
555 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
556 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
557 { BlackRook, BlackKnight, BlackMan, BlackFerz,
558 BlackKing, BlackMan, BlackKnight, BlackRook }
561 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
562 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
563 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
564 { BlackRook, BlackKnight, BlackMan, BlackFerz,
565 BlackKing, BlackMan, BlackKnight, BlackRook }
569 #if (BOARD_FILES>=10)
570 ChessSquare ShogiArray[2][BOARD_FILES] = {
571 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
572 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
573 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
574 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
577 ChessSquare XiangqiArray[2][BOARD_FILES] = {
578 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
579 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
580 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
581 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
584 ChessSquare CapablancaArray[2][BOARD_FILES] = {
585 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
586 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
587 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
588 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
591 ChessSquare GreatArray[2][BOARD_FILES] = {
592 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
593 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
594 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
595 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
598 ChessSquare JanusArray[2][BOARD_FILES] = {
599 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
600 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
601 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
602 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
605 ChessSquare GrandArray[2][BOARD_FILES] = {
606 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
607 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
608 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
609 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
613 ChessSquare GothicArray[2][BOARD_FILES] = {
614 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
615 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
616 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
617 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
620 #define GothicArray CapablancaArray
624 ChessSquare FalconArray[2][BOARD_FILES] = {
625 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
626 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
627 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
628 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
631 #define FalconArray CapablancaArray
634 #else // !(BOARD_FILES>=10)
635 #define XiangqiPosition FIDEArray
636 #define CapablancaArray FIDEArray
637 #define GothicArray FIDEArray
638 #define GreatArray FIDEArray
639 #endif // !(BOARD_FILES>=10)
641 #if (BOARD_FILES>=12)
642 ChessSquare CourierArray[2][BOARD_FILES] = {
643 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
644 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
645 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
646 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
648 #else // !(BOARD_FILES>=12)
649 #define CourierArray CapablancaArray
650 #endif // !(BOARD_FILES>=12)
653 Board initialPosition;
656 /* Convert str to a rating. Checks for special cases of "----",
658 "++++", etc. Also strips ()'s */
660 string_to_rating (char *str)
662 while(*str && !isdigit(*str)) ++str;
664 return 0; /* One of the special "no rating" cases */
672 /* Init programStats */
673 programStats.movelist[0] = 0;
674 programStats.depth = 0;
675 programStats.nr_moves = 0;
676 programStats.moves_left = 0;
677 programStats.nodes = 0;
678 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
679 programStats.score = 0;
680 programStats.got_only_move = 0;
681 programStats.got_fail = 0;
682 programStats.line_is_book = 0;
687 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
688 if (appData.firstPlaysBlack) {
689 first.twoMachinesColor = "black\n";
690 second.twoMachinesColor = "white\n";
692 first.twoMachinesColor = "white\n";
693 second.twoMachinesColor = "black\n";
696 first.other = &second;
697 second.other = &first;
700 if(appData.timeOddsMode) {
701 norm = appData.timeOdds[0];
702 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
704 first.timeOdds = appData.timeOdds[0]/norm;
705 second.timeOdds = appData.timeOdds[1]/norm;
708 if(programVersion) free(programVersion);
709 if (appData.noChessProgram) {
710 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
711 sprintf(programVersion, "%s", PACKAGE_STRING);
713 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
714 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
715 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
720 UnloadEngine (ChessProgramState *cps)
722 /* Kill off first chess program */
723 if (cps->isr != NULL)
724 RemoveInputSource(cps->isr);
727 if (cps->pr != NoProc) {
729 DoSleep( appData.delayBeforeQuit );
730 SendToProgram("quit\n", cps);
731 DoSleep( appData.delayAfterQuit );
732 DestroyChildProcess(cps->pr, cps->useSigterm);
735 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
739 ClearOptions (ChessProgramState *cps)
742 cps->nrOptions = cps->comboCnt = 0;
743 for(i=0; i<MAX_OPTIONS; i++) {
744 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
745 cps->option[i].textValue = 0;
749 char *engineNames[] = {
750 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
751 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
753 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
754 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
759 InitEngine (ChessProgramState *cps, int n)
760 { // [HGM] all engine initialiation put in a function that does one engine
764 cps->which = engineNames[n];
765 cps->maybeThinking = FALSE;
769 cps->sendDrawOffers = 1;
771 cps->program = appData.chessProgram[n];
772 cps->host = appData.host[n];
773 cps->dir = appData.directory[n];
774 cps->initString = appData.engInitString[n];
775 cps->computerString = appData.computerString[n];
776 cps->useSigint = TRUE;
777 cps->useSigterm = TRUE;
778 cps->reuse = appData.reuse[n];
779 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
780 cps->useSetboard = FALSE;
782 cps->usePing = FALSE;
785 cps->usePlayother = FALSE;
786 cps->useColors = TRUE;
787 cps->useUsermove = FALSE;
788 cps->sendICS = FALSE;
789 cps->sendName = appData.icsActive;
790 cps->sdKludge = FALSE;
791 cps->stKludge = FALSE;
792 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
793 TidyProgramName(cps->program, cps->host, cps->tidy);
795 ASSIGN(cps->variants, appData.variant);
796 cps->analysisSupport = 2; /* detect */
797 cps->analyzing = FALSE;
798 cps->initDone = FALSE;
801 /* New features added by Tord: */
802 cps->useFEN960 = FALSE;
803 cps->useOOCastle = TRUE;
804 /* End of new features added by Tord. */
805 cps->fenOverride = appData.fenOverride[n];
807 /* [HGM] time odds: set factor for each machine */
808 cps->timeOdds = appData.timeOdds[n];
810 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
811 cps->accumulateTC = appData.accumulateTC[n];
812 cps->maxNrOfSessions = 1;
817 cps->supportsNPS = UNKNOWN;
818 cps->memSize = FALSE;
819 cps->maxCores = FALSE;
820 ASSIGN(cps->egtFormats, "");
823 cps->optionSettings = appData.engOptions[n];
825 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
826 cps->isUCI = appData.isUCI[n]; /* [AS] */
827 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
829 if (appData.protocolVersion[n] > PROTOVER
830 || appData.protocolVersion[n] < 1)
835 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
836 appData.protocolVersion[n]);
837 if( (len >= MSG_SIZ) && appData.debugMode )
838 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
840 DisplayFatalError(buf, 0, 2);
844 cps->protocolVersion = appData.protocolVersion[n];
847 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
848 ParseFeatures(appData.featureDefaults, cps);
851 ChessProgramState *savCps;
859 if(WaitForEngine(savCps, LoadEngine)) return;
860 CommonEngineInit(); // recalculate time odds
861 if(gameInfo.variant != StringToVariant(appData.variant)) {
862 // we changed variant when loading the engine; this forces us to reset
863 Reset(TRUE, savCps != &first);
864 oldMode = BeginningOfGame; // to prevent restoring old mode
866 InitChessProgram(savCps, FALSE);
867 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
868 DisplayMessage("", "");
869 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
870 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
873 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
877 ReplaceEngine (ChessProgramState *cps, int n)
879 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
881 if(oldMode != BeginningOfGame) EditGameEvent();
884 appData.noChessProgram = FALSE;
885 appData.clockMode = TRUE;
888 if(n) return; // only startup first engine immediately; second can wait
889 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
893 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
894 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
896 static char resetOptions[] =
897 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
898 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
899 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
900 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
903 FloatToFront(char **list, char *engineLine)
905 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
907 if(appData.recentEngines <= 0) return;
908 TidyProgramName(engineLine, "localhost", tidy+1);
909 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
910 strncpy(buf+1, *list, MSG_SIZ-50);
911 if(p = strstr(buf, tidy)) { // tidy name appears in list
912 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
913 while(*p++ = *++q); // squeeze out
915 strcat(tidy, buf+1); // put list behind tidy name
916 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
917 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
918 ASSIGN(*list, tidy+1);
921 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
924 Load (ChessProgramState *cps, int i)
926 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
927 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
928 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
929 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
930 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
931 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
932 appData.firstProtocolVersion = PROTOVER;
933 ParseArgsFromString(buf);
935 ReplaceEngine(cps, i);
936 FloatToFront(&appData.recentEngineList, engineLine);
940 while(q = strchr(p, SLASH)) p = q+1;
941 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
942 if(engineDir[0] != NULLCHAR) {
943 ASSIGN(appData.directory[i], engineDir); p = engineName;
944 } else if(p != engineName) { // derive directory from engine path, when not given
946 ASSIGN(appData.directory[i], engineName);
948 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
949 } else { ASSIGN(appData.directory[i], "."); }
951 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
952 snprintf(command, MSG_SIZ, "%s %s", p, params);
955 ASSIGN(appData.chessProgram[i], p);
956 appData.isUCI[i] = isUCI;
957 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
958 appData.hasOwnBookUCI[i] = hasBook;
959 if(!nickName[0]) useNick = FALSE;
960 if(useNick) ASSIGN(appData.pgnName[i], nickName);
964 q = firstChessProgramNames;
965 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
966 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
967 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
968 quote, p, quote, appData.directory[i],
969 useNick ? " -fn \"" : "",
970 useNick ? nickName : "",
972 v1 ? " -firstProtocolVersion 1" : "",
973 hasBook ? "" : " -fNoOwnBookUCI",
974 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
975 storeVariant ? " -variant " : "",
976 storeVariant ? VariantName(gameInfo.variant) : "");
977 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
978 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
979 if(insert != q) insert[-1] = NULLCHAR;
980 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
982 FloatToFront(&appData.recentEngineList, buf);
984 ReplaceEngine(cps, i);
990 int matched, min, sec;
992 * Parse timeControl resource
994 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
995 appData.movesPerSession)) {
997 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
998 DisplayFatalError(buf, 0, 2);
1002 * Parse searchTime resource
1004 if (*appData.searchTime != NULLCHAR) {
1005 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1007 searchTime = min * 60;
1008 } else if (matched == 2) {
1009 searchTime = min * 60 + sec;
1012 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1013 DisplayFatalError(buf, 0, 2);
1022 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1023 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1025 GetTimeMark(&programStartTime);
1026 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1027 appData.seedBase = random() + (random()<<15);
1028 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1030 ClearProgramStats();
1031 programStats.ok_to_send = 1;
1032 programStats.seen_stat = 0;
1035 * Initialize game list
1041 * Internet chess server status
1043 if (appData.icsActive) {
1044 appData.matchMode = FALSE;
1045 appData.matchGames = 0;
1047 appData.noChessProgram = !appData.zippyPlay;
1049 appData.zippyPlay = FALSE;
1050 appData.zippyTalk = FALSE;
1051 appData.noChessProgram = TRUE;
1053 if (*appData.icsHelper != NULLCHAR) {
1054 appData.useTelnet = TRUE;
1055 appData.telnetProgram = appData.icsHelper;
1058 appData.zippyTalk = appData.zippyPlay = FALSE;
1061 /* [AS] Initialize pv info list [HGM] and game state */
1065 for( i=0; i<=framePtr; i++ ) {
1066 pvInfoList[i].depth = -1;
1067 boards[i][EP_STATUS] = EP_NONE;
1068 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1074 /* [AS] Adjudication threshold */
1075 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1077 InitEngine(&first, 0);
1078 InitEngine(&second, 1);
1081 pairing.which = "pairing"; // pairing engine
1082 pairing.pr = NoProc;
1084 pairing.program = appData.pairingEngine;
1085 pairing.host = "localhost";
1088 if (appData.icsActive) {
1089 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1090 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1091 appData.clockMode = FALSE;
1092 first.sendTime = second.sendTime = 0;
1096 /* Override some settings from environment variables, for backward
1097 compatibility. Unfortunately it's not feasible to have the env
1098 vars just set defaults, at least in xboard. Ugh.
1100 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1105 if (!appData.icsActive) {
1109 /* Check for variants that are supported only in ICS mode,
1110 or not at all. Some that are accepted here nevertheless
1111 have bugs; see comments below.
1113 VariantClass variant = StringToVariant(appData.variant);
1115 case VariantBughouse: /* need four players and two boards */
1116 case VariantKriegspiel: /* need to hide pieces and move details */
1117 /* case VariantFischeRandom: (Fabien: moved below) */
1118 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1119 if( (len >= MSG_SIZ) && appData.debugMode )
1120 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1122 DisplayFatalError(buf, 0, 2);
1125 case VariantUnknown:
1126 case VariantLoadable:
1136 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1137 if( (len >= MSG_SIZ) && appData.debugMode )
1138 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1140 DisplayFatalError(buf, 0, 2);
1143 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1144 case VariantFairy: /* [HGM] TestLegality definitely off! */
1145 case VariantGothic: /* [HGM] should work */
1146 case VariantCapablanca: /* [HGM] should work */
1147 case VariantCourier: /* [HGM] initial forced moves not implemented */
1148 case VariantShogi: /* [HGM] could still mate with pawn drop */
1149 case VariantKnightmate: /* [HGM] should work */
1150 case VariantCylinder: /* [HGM] untested */
1151 case VariantFalcon: /* [HGM] untested */
1152 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1153 offboard interposition not understood */
1154 case VariantNormal: /* definitely works! */
1155 case VariantWildCastle: /* pieces not automatically shuffled */
1156 case VariantNoCastle: /* pieces not automatically shuffled */
1157 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1158 case VariantLosers: /* should work except for win condition,
1159 and doesn't know captures are mandatory */
1160 case VariantSuicide: /* should work except for win condition,
1161 and doesn't know captures are mandatory */
1162 case VariantGiveaway: /* should work except for win condition,
1163 and doesn't know captures are mandatory */
1164 case VariantTwoKings: /* should work */
1165 case VariantAtomic: /* should work except for win condition */
1166 case Variant3Check: /* should work except for win condition */
1167 case VariantShatranj: /* should work except for all win conditions */
1168 case VariantMakruk: /* should work except for draw countdown */
1169 case VariantASEAN : /* should work except for draw countdown */
1170 case VariantBerolina: /* might work if TestLegality is off */
1171 case VariantCapaRandom: /* should work */
1172 case VariantJanus: /* should work */
1173 case VariantSuper: /* experimental */
1174 case VariantGreat: /* experimental, requires legality testing to be off */
1175 case VariantSChess: /* S-Chess, should work */
1176 case VariantGrand: /* should work */
1177 case VariantSpartan: /* should work */
1185 NextIntegerFromString (char ** str, long * value)
1190 while( *s == ' ' || *s == '\t' ) {
1196 if( *s >= '0' && *s <= '9' ) {
1197 while( *s >= '0' && *s <= '9' ) {
1198 *value = *value * 10 + (*s - '0');
1211 NextTimeControlFromString (char ** str, long * value)
1214 int result = NextIntegerFromString( str, &temp );
1217 *value = temp * 60; /* Minutes */
1218 if( **str == ':' ) {
1220 result = NextIntegerFromString( str, &temp );
1221 *value += temp; /* Seconds */
1229 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1230 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1231 int result = -1, type = 0; long temp, temp2;
1233 if(**str != ':') return -1; // old params remain in force!
1235 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1236 if( NextIntegerFromString( str, &temp ) ) return -1;
1237 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1240 /* time only: incremental or sudden-death time control */
1241 if(**str == '+') { /* increment follows; read it */
1243 if(**str == '!') type = *(*str)++; // Bronstein TC
1244 if(result = NextIntegerFromString( str, &temp2)) return -1;
1245 *inc = temp2 * 1000;
1246 if(**str == '.') { // read fraction of increment
1247 char *start = ++(*str);
1248 if(result = NextIntegerFromString( str, &temp2)) return -1;
1250 while(start++ < *str) temp2 /= 10;
1254 *moves = 0; *tc = temp * 1000; *incType = type;
1258 (*str)++; /* classical time control */
1259 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1271 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1272 { /* [HGM] get time to add from the multi-session time-control string */
1273 int incType, moves=1; /* kludge to force reading of first session */
1274 long time, increment;
1277 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1279 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1280 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1281 if(movenr == -1) return time; /* last move before new session */
1282 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1283 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1284 if(!moves) return increment; /* current session is incremental */
1285 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1286 } while(movenr >= -1); /* try again for next session */
1288 return 0; // no new time quota on this move
1292 ParseTimeControl (char *tc, float ti, int mps)
1296 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1299 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1300 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1301 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1305 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1307 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1310 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1312 snprintf(buf, MSG_SIZ, ":%s", mytc);
1314 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1316 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1321 /* Parse second time control */
1324 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1332 timeControl_2 = tc2 * 1000;
1342 timeControl = tc1 * 1000;
1345 timeIncrement = ti * 1000; /* convert to ms */
1346 movesPerSession = 0;
1349 movesPerSession = mps;
1357 if (appData.debugMode) {
1358 # ifdef __GIT_VERSION
1359 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1361 fprintf(debugFP, "Version: %s\n", programVersion);
1364 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1366 set_cont_sequence(appData.wrapContSeq);
1367 if (appData.matchGames > 0) {
1368 appData.matchMode = TRUE;
1369 } else if (appData.matchMode) {
1370 appData.matchGames = 1;
1372 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1373 appData.matchGames = appData.sameColorGames;
1374 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1375 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1376 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1379 if (appData.noChessProgram || first.protocolVersion == 1) {
1382 /* kludge: allow timeout for initial "feature" commands */
1384 DisplayMessage("", _("Starting chess program"));
1385 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1390 CalculateIndex (int index, int gameNr)
1391 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1393 if(index > 0) return index; // fixed nmber
1394 if(index == 0) return 1;
1395 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1396 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1401 LoadGameOrPosition (int gameNr)
1402 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1403 if (*appData.loadGameFile != NULLCHAR) {
1404 if (!LoadGameFromFile(appData.loadGameFile,
1405 CalculateIndex(appData.loadGameIndex, gameNr),
1406 appData.loadGameFile, FALSE)) {
1407 DisplayFatalError(_("Bad game file"), 0, 1);
1410 } else if (*appData.loadPositionFile != NULLCHAR) {
1411 if (!LoadPositionFromFile(appData.loadPositionFile,
1412 CalculateIndex(appData.loadPositionIndex, gameNr),
1413 appData.loadPositionFile)) {
1414 DisplayFatalError(_("Bad position file"), 0, 1);
1422 ReserveGame (int gameNr, char resChar)
1424 FILE *tf = fopen(appData.tourneyFile, "r+");
1425 char *p, *q, c, buf[MSG_SIZ];
1426 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1427 safeStrCpy(buf, lastMsg, MSG_SIZ);
1428 DisplayMessage(_("Pick new game"), "");
1429 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1430 ParseArgsFromFile(tf);
1431 p = q = appData.results;
1432 if(appData.debugMode) {
1433 char *r = appData.participants;
1434 fprintf(debugFP, "results = '%s'\n", p);
1435 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1436 fprintf(debugFP, "\n");
1438 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1440 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1441 safeStrCpy(q, p, strlen(p) + 2);
1442 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1443 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1444 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1445 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1448 fseek(tf, -(strlen(p)+4), SEEK_END);
1450 if(c != '"') // depending on DOS or Unix line endings we can be one off
1451 fseek(tf, -(strlen(p)+2), SEEK_END);
1452 else fseek(tf, -(strlen(p)+3), SEEK_END);
1453 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1454 DisplayMessage(buf, "");
1455 free(p); appData.results = q;
1456 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1457 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1458 int round = appData.defaultMatchGames * appData.tourneyType;
1459 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1460 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1461 UnloadEngine(&first); // next game belongs to other pairing;
1462 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1464 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1468 MatchEvent (int mode)
1469 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1471 if(matchMode) { // already in match mode: switch it off
1473 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1476 // if(gameMode != BeginningOfGame) {
1477 // DisplayError(_("You can only start a match from the initial position."), 0);
1481 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1482 /* Set up machine vs. machine match */
1484 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1485 if(appData.tourneyFile[0]) {
1487 if(nextGame > appData.matchGames) {
1489 if(strchr(appData.results, '*') == NULL) {
1491 appData.tourneyCycles++;
1492 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1494 NextTourneyGame(-1, &dummy);
1496 if(nextGame <= appData.matchGames) {
1497 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1499 ScheduleDelayedEvent(NextMatchGame, 10000);
1504 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1505 DisplayError(buf, 0);
1506 appData.tourneyFile[0] = 0;
1510 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1511 DisplayFatalError(_("Can't have a match with no chess programs"),
1516 matchGame = roundNr = 1;
1517 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1521 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1524 InitBackEnd3 P((void))
1526 GameMode initialMode;
1530 InitChessProgram(&first, startedFromSetupPosition);
1532 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1533 free(programVersion);
1534 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1535 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1536 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1539 if (appData.icsActive) {
1541 /* [DM] Make a console window if needed [HGM] merged ifs */
1547 if (*appData.icsCommPort != NULLCHAR)
1548 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1549 appData.icsCommPort);
1551 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1552 appData.icsHost, appData.icsPort);
1554 if( (len >= MSG_SIZ) && appData.debugMode )
1555 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1557 DisplayFatalError(buf, err, 1);
1562 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1564 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1565 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1566 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1567 } else if (appData.noChessProgram) {
1573 if (*appData.cmailGameName != NULLCHAR) {
1575 OpenLoopback(&cmailPR);
1577 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1581 DisplayMessage("", "");
1582 if (StrCaseCmp(appData.initialMode, "") == 0) {
1583 initialMode = BeginningOfGame;
1584 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1585 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1586 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1587 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1590 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1591 initialMode = TwoMachinesPlay;
1592 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1593 initialMode = AnalyzeFile;
1594 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1595 initialMode = AnalyzeMode;
1596 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1597 initialMode = MachinePlaysWhite;
1598 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1599 initialMode = MachinePlaysBlack;
1600 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1601 initialMode = EditGame;
1602 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1603 initialMode = EditPosition;
1604 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1605 initialMode = Training;
1607 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1608 if( (len >= MSG_SIZ) && appData.debugMode )
1609 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1611 DisplayFatalError(buf, 0, 2);
1615 if (appData.matchMode) {
1616 if(appData.tourneyFile[0]) { // start tourney from command line
1618 if(f = fopen(appData.tourneyFile, "r")) {
1619 ParseArgsFromFile(f); // make sure tourney parmeters re known
1621 appData.clockMode = TRUE;
1623 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1626 } else if (*appData.cmailGameName != NULLCHAR) {
1627 /* Set up cmail mode */
1628 ReloadCmailMsgEvent(TRUE);
1630 /* Set up other modes */
1631 if (initialMode == AnalyzeFile) {
1632 if (*appData.loadGameFile == NULLCHAR) {
1633 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1637 if (*appData.loadGameFile != NULLCHAR) {
1638 (void) LoadGameFromFile(appData.loadGameFile,
1639 appData.loadGameIndex,
1640 appData.loadGameFile, TRUE);
1641 } else if (*appData.loadPositionFile != NULLCHAR) {
1642 (void) LoadPositionFromFile(appData.loadPositionFile,
1643 appData.loadPositionIndex,
1644 appData.loadPositionFile);
1645 /* [HGM] try to make self-starting even after FEN load */
1646 /* to allow automatic setup of fairy variants with wtm */
1647 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1648 gameMode = BeginningOfGame;
1649 setboardSpoiledMachineBlack = 1;
1651 /* [HGM] loadPos: make that every new game uses the setup */
1652 /* from file as long as we do not switch variant */
1653 if(!blackPlaysFirst) {
1654 startedFromPositionFile = TRUE;
1655 CopyBoard(filePosition, boards[0]);
1658 if (initialMode == AnalyzeMode) {
1659 if (appData.noChessProgram) {
1660 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1663 if (appData.icsActive) {
1664 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1668 } else if (initialMode == AnalyzeFile) {
1669 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1670 ShowThinkingEvent();
1672 AnalysisPeriodicEvent(1);
1673 } else if (initialMode == MachinePlaysWhite) {
1674 if (appData.noChessProgram) {
1675 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1679 if (appData.icsActive) {
1680 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1684 MachineWhiteEvent();
1685 } else if (initialMode == MachinePlaysBlack) {
1686 if (appData.noChessProgram) {
1687 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1691 if (appData.icsActive) {
1692 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1696 MachineBlackEvent();
1697 } else if (initialMode == TwoMachinesPlay) {
1698 if (appData.noChessProgram) {
1699 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1703 if (appData.icsActive) {
1704 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1709 } else if (initialMode == EditGame) {
1711 } else if (initialMode == EditPosition) {
1712 EditPositionEvent();
1713 } else if (initialMode == Training) {
1714 if (*appData.loadGameFile == NULLCHAR) {
1715 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1724 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1726 DisplayBook(current+1);
1728 MoveHistorySet( movelist, first, last, current, pvInfoList );
1730 EvalGraphSet( first, last, current, pvInfoList );
1732 MakeEngineOutputTitle();
1736 * Establish will establish a contact to a remote host.port.
1737 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1738 * used to talk to the host.
1739 * Returns 0 if okay, error code if not.
1746 if (*appData.icsCommPort != NULLCHAR) {
1747 /* Talk to the host through a serial comm port */
1748 return OpenCommPort(appData.icsCommPort, &icsPR);
1750 } else if (*appData.gateway != NULLCHAR) {
1751 if (*appData.remoteShell == NULLCHAR) {
1752 /* Use the rcmd protocol to run telnet program on a gateway host */
1753 snprintf(buf, sizeof(buf), "%s %s %s",
1754 appData.telnetProgram, appData.icsHost, appData.icsPort);
1755 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1758 /* Use the rsh program to run telnet program on a gateway host */
1759 if (*appData.remoteUser == NULLCHAR) {
1760 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1761 appData.gateway, appData.telnetProgram,
1762 appData.icsHost, appData.icsPort);
1764 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1765 appData.remoteShell, appData.gateway,
1766 appData.remoteUser, appData.telnetProgram,
1767 appData.icsHost, appData.icsPort);
1769 return StartChildProcess(buf, "", &icsPR);
1772 } else if (appData.useTelnet) {
1773 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1776 /* TCP socket interface differs somewhat between
1777 Unix and NT; handle details in the front end.
1779 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1784 EscapeExpand (char *p, char *q)
1785 { // [HGM] initstring: routine to shape up string arguments
1786 while(*p++ = *q++) if(p[-1] == '\\')
1788 case 'n': p[-1] = '\n'; break;
1789 case 'r': p[-1] = '\r'; break;
1790 case 't': p[-1] = '\t'; break;
1791 case '\\': p[-1] = '\\'; break;
1792 case 0: *p = 0; return;
1793 default: p[-1] = q[-1]; break;
1798 show_bytes (FILE *fp, char *buf, int count)
1801 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1802 fprintf(fp, "\\%03o", *buf & 0xff);
1811 /* Returns an errno value */
1813 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1815 char buf[8192], *p, *q, *buflim;
1816 int left, newcount, outcount;
1818 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1819 *appData.gateway != NULLCHAR) {
1820 if (appData.debugMode) {
1821 fprintf(debugFP, ">ICS: ");
1822 show_bytes(debugFP, message, count);
1823 fprintf(debugFP, "\n");
1825 return OutputToProcess(pr, message, count, outError);
1828 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1835 if (appData.debugMode) {
1836 fprintf(debugFP, ">ICS: ");
1837 show_bytes(debugFP, buf, newcount);
1838 fprintf(debugFP, "\n");
1840 outcount = OutputToProcess(pr, buf, newcount, outError);
1841 if (outcount < newcount) return -1; /* to be sure */
1848 } else if (((unsigned char) *p) == TN_IAC) {
1849 *q++ = (char) TN_IAC;
1856 if (appData.debugMode) {
1857 fprintf(debugFP, ">ICS: ");
1858 show_bytes(debugFP, buf, newcount);
1859 fprintf(debugFP, "\n");
1861 outcount = OutputToProcess(pr, buf, newcount, outError);
1862 if (outcount < newcount) return -1; /* to be sure */
1867 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1869 int outError, outCount;
1870 static int gotEof = 0;
1873 /* Pass data read from player on to ICS */
1876 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1877 if (outCount < count) {
1878 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1880 if(have_sent_ICS_logon == 2) {
1881 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1882 fprintf(ini, "%s", message);
1883 have_sent_ICS_logon = 3;
1885 have_sent_ICS_logon = 1;
1886 } else if(have_sent_ICS_logon == 3) {
1887 fprintf(ini, "%s", message);
1889 have_sent_ICS_logon = 1;
1891 } else if (count < 0) {
1892 RemoveInputSource(isr);
1893 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1894 } else if (gotEof++ > 0) {
1895 RemoveInputSource(isr);
1896 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1902 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1903 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1904 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1905 SendToICS("date\n");
1906 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1909 /* added routine for printf style output to ics */
1911 ics_printf (char *format, ...)
1913 char buffer[MSG_SIZ];
1916 va_start(args, format);
1917 vsnprintf(buffer, sizeof(buffer), format, args);
1918 buffer[sizeof(buffer)-1] = '\0';
1926 int count, outCount, outError;
1928 if (icsPR == NoProc) return;
1931 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1932 if (outCount < count) {
1933 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1937 /* This is used for sending logon scripts to the ICS. Sending
1938 without a delay causes problems when using timestamp on ICC
1939 (at least on my machine). */
1941 SendToICSDelayed (char *s, long msdelay)
1943 int count, outCount, outError;
1945 if (icsPR == NoProc) return;
1948 if (appData.debugMode) {
1949 fprintf(debugFP, ">ICS: ");
1950 show_bytes(debugFP, s, count);
1951 fprintf(debugFP, "\n");
1953 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1955 if (outCount < count) {
1956 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1961 /* Remove all highlighting escape sequences in s
1962 Also deletes any suffix starting with '('
1965 StripHighlightAndTitle (char *s)
1967 static char retbuf[MSG_SIZ];
1970 while (*s != NULLCHAR) {
1971 while (*s == '\033') {
1972 while (*s != NULLCHAR && !isalpha(*s)) s++;
1973 if (*s != NULLCHAR) s++;
1975 while (*s != NULLCHAR && *s != '\033') {
1976 if (*s == '(' || *s == '[') {
1987 /* Remove all highlighting escape sequences in s */
1989 StripHighlight (char *s)
1991 static char retbuf[MSG_SIZ];
1994 while (*s != NULLCHAR) {
1995 while (*s == '\033') {
1996 while (*s != NULLCHAR && !isalpha(*s)) s++;
1997 if (*s != NULLCHAR) s++;
1999 while (*s != NULLCHAR && *s != '\033') {
2007 char *variantNames[] = VARIANT_NAMES;
2009 VariantName (VariantClass v)
2011 return variantNames[v];
2015 /* Identify a variant from the strings the chess servers use or the
2016 PGN Variant tag names we use. */
2018 StringToVariant (char *e)
2022 VariantClass v = VariantNormal;
2023 int i, found = FALSE;
2029 /* [HGM] skip over optional board-size prefixes */
2030 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2031 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2032 while( *e++ != '_');
2035 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2039 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2040 if (StrCaseStr(e, variantNames[i])) {
2041 v = (VariantClass) i;
2048 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2049 || StrCaseStr(e, "wild/fr")
2050 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2051 v = VariantFischeRandom;
2052 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2053 (i = 1, p = StrCaseStr(e, "w"))) {
2055 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2062 case 0: /* FICS only, actually */
2064 /* Castling legal even if K starts on d-file */
2065 v = VariantWildCastle;
2070 /* Castling illegal even if K & R happen to start in
2071 normal positions. */
2072 v = VariantNoCastle;
2085 /* Castling legal iff K & R start in normal positions */
2091 /* Special wilds for position setup; unclear what to do here */
2092 v = VariantLoadable;
2095 /* Bizarre ICC game */
2096 v = VariantTwoKings;
2099 v = VariantKriegspiel;
2105 v = VariantFischeRandom;
2108 v = VariantCrazyhouse;
2111 v = VariantBughouse;
2117 /* Not quite the same as FICS suicide! */
2118 v = VariantGiveaway;
2124 v = VariantShatranj;
2127 /* Temporary names for future ICC types. The name *will* change in
2128 the next xboard/WinBoard release after ICC defines it. */
2166 v = VariantCapablanca;
2169 v = VariantKnightmate;
2175 v = VariantCylinder;
2181 v = VariantCapaRandom;
2184 v = VariantBerolina;
2196 /* Found "wild" or "w" in the string but no number;
2197 must assume it's normal chess. */
2201 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2202 if( (len >= MSG_SIZ) && appData.debugMode )
2203 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2205 DisplayError(buf, 0);
2211 if (appData.debugMode) {
2212 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2213 e, wnum, VariantName(v));
2218 static int leftover_start = 0, leftover_len = 0;
2219 char star_match[STAR_MATCH_N][MSG_SIZ];
2221 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2222 advance *index beyond it, and set leftover_start to the new value of
2223 *index; else return FALSE. If pattern contains the character '*', it
2224 matches any sequence of characters not containing '\r', '\n', or the
2225 character following the '*' (if any), and the matched sequence(s) are
2226 copied into star_match.
2229 looking_at ( char *buf, int *index, char *pattern)
2231 char *bufp = &buf[*index], *patternp = pattern;
2233 char *matchp = star_match[0];
2236 if (*patternp == NULLCHAR) {
2237 *index = leftover_start = bufp - buf;
2241 if (*bufp == NULLCHAR) return FALSE;
2242 if (*patternp == '*') {
2243 if (*bufp == *(patternp + 1)) {
2245 matchp = star_match[++star_count];
2249 } else if (*bufp == '\n' || *bufp == '\r') {
2251 if (*patternp == NULLCHAR)
2256 *matchp++ = *bufp++;
2260 if (*patternp != *bufp) return FALSE;
2267 SendToPlayer (char *data, int length)
2269 int error, outCount;
2270 outCount = OutputToProcess(NoProc, data, length, &error);
2271 if (outCount < length) {
2272 DisplayFatalError(_("Error writing to display"), error, 1);
2277 PackHolding (char packed[], char *holding)
2287 switch (runlength) {
2298 sprintf(q, "%d", runlength);
2310 /* Telnet protocol requests from the front end */
2312 TelnetRequest (unsigned char ddww, unsigned char option)
2314 unsigned char msg[3];
2315 int outCount, outError;
2317 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2319 if (appData.debugMode) {
2320 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2336 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2345 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2348 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2353 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2355 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2362 if (!appData.icsActive) return;
2363 TelnetRequest(TN_DO, TN_ECHO);
2369 if (!appData.icsActive) return;
2370 TelnetRequest(TN_DONT, TN_ECHO);
2374 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2376 /* put the holdings sent to us by the server on the board holdings area */
2377 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2381 if(gameInfo.holdingsWidth < 2) return;
2382 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2383 return; // prevent overwriting by pre-board holdings
2385 if( (int)lowestPiece >= BlackPawn ) {
2388 holdingsStartRow = BOARD_HEIGHT-1;
2391 holdingsColumn = BOARD_WIDTH-1;
2392 countsColumn = BOARD_WIDTH-2;
2393 holdingsStartRow = 0;
2397 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2398 board[i][holdingsColumn] = EmptySquare;
2399 board[i][countsColumn] = (ChessSquare) 0;
2401 while( (p=*holdings++) != NULLCHAR ) {
2402 piece = CharToPiece( ToUpper(p) );
2403 if(piece == EmptySquare) continue;
2404 /*j = (int) piece - (int) WhitePawn;*/
2405 j = PieceToNumber(piece);
2406 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2407 if(j < 0) continue; /* should not happen */
2408 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2409 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2410 board[holdingsStartRow+j*direction][countsColumn]++;
2416 VariantSwitch (Board board, VariantClass newVariant)
2418 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2419 static Board oldBoard;
2421 startedFromPositionFile = FALSE;
2422 if(gameInfo.variant == newVariant) return;
2424 /* [HGM] This routine is called each time an assignment is made to
2425 * gameInfo.variant during a game, to make sure the board sizes
2426 * are set to match the new variant. If that means adding or deleting
2427 * holdings, we shift the playing board accordingly
2428 * This kludge is needed because in ICS observe mode, we get boards
2429 * of an ongoing game without knowing the variant, and learn about the
2430 * latter only later. This can be because of the move list we requested,
2431 * in which case the game history is refilled from the beginning anyway,
2432 * but also when receiving holdings of a crazyhouse game. In the latter
2433 * case we want to add those holdings to the already received position.
2437 if (appData.debugMode) {
2438 fprintf(debugFP, "Switch board from %s to %s\n",
2439 VariantName(gameInfo.variant), VariantName(newVariant));
2440 setbuf(debugFP, NULL);
2442 shuffleOpenings = 0; /* [HGM] shuffle */
2443 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2447 newWidth = 9; newHeight = 9;
2448 gameInfo.holdingsSize = 7;
2449 case VariantBughouse:
2450 case VariantCrazyhouse:
2451 newHoldingsWidth = 2; break;
2455 newHoldingsWidth = 2;
2456 gameInfo.holdingsSize = 8;
2459 case VariantCapablanca:
2460 case VariantCapaRandom:
2463 newHoldingsWidth = gameInfo.holdingsSize = 0;
2466 if(newWidth != gameInfo.boardWidth ||
2467 newHeight != gameInfo.boardHeight ||
2468 newHoldingsWidth != gameInfo.holdingsWidth ) {
2470 /* shift position to new playing area, if needed */
2471 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2472 for(i=0; i<BOARD_HEIGHT; i++)
2473 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2474 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2476 for(i=0; i<newHeight; i++) {
2477 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2478 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2480 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2481 for(i=0; i<BOARD_HEIGHT; i++)
2482 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2483 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2486 board[HOLDINGS_SET] = 0;
2487 gameInfo.boardWidth = newWidth;
2488 gameInfo.boardHeight = newHeight;
2489 gameInfo.holdingsWidth = newHoldingsWidth;
2490 gameInfo.variant = newVariant;
2491 InitDrawingSizes(-2, 0);
2492 } else gameInfo.variant = newVariant;
2493 CopyBoard(oldBoard, board); // remember correctly formatted board
2494 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2495 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2498 static int loggedOn = FALSE;
2500 /*-- Game start info cache: --*/
2502 char gs_kind[MSG_SIZ];
2503 static char player1Name[128] = "";
2504 static char player2Name[128] = "";
2505 static char cont_seq[] = "\n\\ ";
2506 static int player1Rating = -1;
2507 static int player2Rating = -1;
2508 /*----------------------------*/
2510 ColorClass curColor = ColorNormal;
2511 int suppressKibitz = 0;
2514 Boolean soughtPending = FALSE;
2515 Boolean seekGraphUp;
2516 #define MAX_SEEK_ADS 200
2518 char *seekAdList[MAX_SEEK_ADS];
2519 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2520 float tcList[MAX_SEEK_ADS];
2521 char colorList[MAX_SEEK_ADS];
2522 int nrOfSeekAds = 0;
2523 int minRating = 1010, maxRating = 2800;
2524 int hMargin = 10, vMargin = 20, h, w;
2525 extern int squareSize, lineGap;
2530 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2531 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2532 if(r < minRating+100 && r >=0 ) r = minRating+100;
2533 if(r > maxRating) r = maxRating;
2534 if(tc < 1.f) tc = 1.f;
2535 if(tc > 95.f) tc = 95.f;
2536 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2537 y = ((double)r - minRating)/(maxRating - minRating)
2538 * (h-vMargin-squareSize/8-1) + vMargin;
2539 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2540 if(strstr(seekAdList[i], " u ")) color = 1;
2541 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2542 !strstr(seekAdList[i], "bullet") &&
2543 !strstr(seekAdList[i], "blitz") &&
2544 !strstr(seekAdList[i], "standard") ) color = 2;
2545 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2546 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2550 PlotSingleSeekAd (int i)
2556 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2558 char buf[MSG_SIZ], *ext = "";
2559 VariantClass v = StringToVariant(type);
2560 if(strstr(type, "wild")) {
2561 ext = type + 4; // append wild number
2562 if(v == VariantFischeRandom) type = "chess960"; else
2563 if(v == VariantLoadable) type = "setup"; else
2564 type = VariantName(v);
2566 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2567 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2568 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2569 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2570 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2571 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2572 seekNrList[nrOfSeekAds] = nr;
2573 zList[nrOfSeekAds] = 0;
2574 seekAdList[nrOfSeekAds++] = StrSave(buf);
2575 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2580 EraseSeekDot (int i)
2582 int x = xList[i], y = yList[i], d=squareSize/4, k;
2583 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2584 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2585 // now replot every dot that overlapped
2586 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2587 int xx = xList[k], yy = yList[k];
2588 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2589 DrawSeekDot(xx, yy, colorList[k]);
2594 RemoveSeekAd (int nr)
2597 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2599 if(seekAdList[i]) free(seekAdList[i]);
2600 seekAdList[i] = seekAdList[--nrOfSeekAds];
2601 seekNrList[i] = seekNrList[nrOfSeekAds];
2602 ratingList[i] = ratingList[nrOfSeekAds];
2603 colorList[i] = colorList[nrOfSeekAds];
2604 tcList[i] = tcList[nrOfSeekAds];
2605 xList[i] = xList[nrOfSeekAds];
2606 yList[i] = yList[nrOfSeekAds];
2607 zList[i] = zList[nrOfSeekAds];
2608 seekAdList[nrOfSeekAds] = NULL;
2614 MatchSoughtLine (char *line)
2616 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2617 int nr, base, inc, u=0; char dummy;
2619 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2620 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2622 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2623 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2624 // match: compact and save the line
2625 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2635 if(!seekGraphUp) return FALSE;
2636 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2637 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2639 DrawSeekBackground(0, 0, w, h);
2640 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2641 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2642 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2643 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2645 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2648 snprintf(buf, MSG_SIZ, "%d", i);
2649 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2652 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2653 for(i=1; i<100; i+=(i<10?1:5)) {
2654 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2655 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2656 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2658 snprintf(buf, MSG_SIZ, "%d", i);
2659 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2662 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2667 SeekGraphClick (ClickType click, int x, int y, int moving)
2669 static int lastDown = 0, displayed = 0, lastSecond;
2670 if(y < 0) return FALSE;
2671 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2672 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2673 if(!seekGraphUp) return FALSE;
2674 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2675 DrawPosition(TRUE, NULL);
2678 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2679 if(click == Release || moving) return FALSE;
2681 soughtPending = TRUE;
2682 SendToICS(ics_prefix);
2683 SendToICS("sought\n"); // should this be "sought all"?
2684 } else { // issue challenge based on clicked ad
2685 int dist = 10000; int i, closest = 0, second = 0;
2686 for(i=0; i<nrOfSeekAds; i++) {
2687 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2688 if(d < dist) { dist = d; closest = i; }
2689 second += (d - zList[i] < 120); // count in-range ads
2690 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2694 second = (second > 1);
2695 if(displayed != closest || second != lastSecond) {
2696 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2697 lastSecond = second; displayed = closest;
2699 if(click == Press) {
2700 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2703 } // on press 'hit', only show info
2704 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2705 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2706 SendToICS(ics_prefix);
2708 return TRUE; // let incoming board of started game pop down the graph
2709 } else if(click == Release) { // release 'miss' is ignored
2710 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2711 if(moving == 2) { // right up-click
2712 nrOfSeekAds = 0; // refresh graph
2713 soughtPending = TRUE;
2714 SendToICS(ics_prefix);
2715 SendToICS("sought\n"); // should this be "sought all"?
2718 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2719 // press miss or release hit 'pop down' seek graph
2720 seekGraphUp = FALSE;
2721 DrawPosition(TRUE, NULL);
2727 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2729 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2730 #define STARTED_NONE 0
2731 #define STARTED_MOVES 1
2732 #define STARTED_BOARD 2
2733 #define STARTED_OBSERVE 3
2734 #define STARTED_HOLDINGS 4
2735 #define STARTED_CHATTER 5
2736 #define STARTED_COMMENT 6
2737 #define STARTED_MOVES_NOHIDE 7
2739 static int started = STARTED_NONE;
2740 static char parse[20000];
2741 static int parse_pos = 0;
2742 static char buf[BUF_SIZE + 1];
2743 static int firstTime = TRUE, intfSet = FALSE;
2744 static ColorClass prevColor = ColorNormal;
2745 static int savingComment = FALSE;
2746 static int cmatch = 0; // continuation sequence match
2753 int backup; /* [DM] For zippy color lines */
2755 char talker[MSG_SIZ]; // [HGM] chat
2758 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2760 if (appData.debugMode) {
2762 fprintf(debugFP, "<ICS: ");
2763 show_bytes(debugFP, data, count);
2764 fprintf(debugFP, "\n");
2768 if (appData.debugMode) { int f = forwardMostMove;
2769 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2770 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2771 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2774 /* If last read ended with a partial line that we couldn't parse,
2775 prepend it to the new read and try again. */
2776 if (leftover_len > 0) {
2777 for (i=0; i<leftover_len; i++)
2778 buf[i] = buf[leftover_start + i];
2781 /* copy new characters into the buffer */
2782 bp = buf + leftover_len;
2783 buf_len=leftover_len;
2784 for (i=0; i<count; i++)
2787 if (data[i] == '\r')
2790 // join lines split by ICS?
2791 if (!appData.noJoin)
2794 Joining just consists of finding matches against the
2795 continuation sequence, and discarding that sequence
2796 if found instead of copying it. So, until a match
2797 fails, there's nothing to do since it might be the
2798 complete sequence, and thus, something we don't want
2801 if (data[i] == cont_seq[cmatch])
2804 if (cmatch == strlen(cont_seq))
2806 cmatch = 0; // complete match. just reset the counter
2809 it's possible for the ICS to not include the space
2810 at the end of the last word, making our [correct]
2811 join operation fuse two separate words. the server
2812 does this when the space occurs at the width setting.
2814 if (!buf_len || buf[buf_len-1] != ' ')
2825 match failed, so we have to copy what matched before
2826 falling through and copying this character. In reality,
2827 this will only ever be just the newline character, but
2828 it doesn't hurt to be precise.
2830 strncpy(bp, cont_seq, cmatch);
2842 buf[buf_len] = NULLCHAR;
2843 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2848 while (i < buf_len) {
2849 /* Deal with part of the TELNET option negotiation
2850 protocol. We refuse to do anything beyond the
2851 defaults, except that we allow the WILL ECHO option,
2852 which ICS uses to turn off password echoing when we are
2853 directly connected to it. We reject this option
2854 if localLineEditing mode is on (always on in xboard)
2855 and we are talking to port 23, which might be a real
2856 telnet server that will try to keep WILL ECHO on permanently.
2858 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2859 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2860 unsigned char option;
2862 switch ((unsigned char) buf[++i]) {
2864 if (appData.debugMode)
2865 fprintf(debugFP, "\n<WILL ");
2866 switch (option = (unsigned char) buf[++i]) {
2868 if (appData.debugMode)
2869 fprintf(debugFP, "ECHO ");
2870 /* Reply only if this is a change, according
2871 to the protocol rules. */
2872 if (remoteEchoOption) break;
2873 if (appData.localLineEditing &&
2874 atoi(appData.icsPort) == TN_PORT) {
2875 TelnetRequest(TN_DONT, TN_ECHO);
2878 TelnetRequest(TN_DO, TN_ECHO);
2879 remoteEchoOption = TRUE;
2883 if (appData.debugMode)
2884 fprintf(debugFP, "%d ", option);
2885 /* Whatever this is, we don't want it. */
2886 TelnetRequest(TN_DONT, option);
2891 if (appData.debugMode)
2892 fprintf(debugFP, "\n<WONT ");
2893 switch (option = (unsigned char) buf[++i]) {
2895 if (appData.debugMode)
2896 fprintf(debugFP, "ECHO ");
2897 /* Reply only if this is a change, according
2898 to the protocol rules. */
2899 if (!remoteEchoOption) break;
2901 TelnetRequest(TN_DONT, TN_ECHO);
2902 remoteEchoOption = FALSE;
2905 if (appData.debugMode)
2906 fprintf(debugFP, "%d ", (unsigned char) option);
2907 /* Whatever this is, it must already be turned
2908 off, because we never agree to turn on
2909 anything non-default, so according to the
2910 protocol rules, we don't reply. */
2915 if (appData.debugMode)
2916 fprintf(debugFP, "\n<DO ");
2917 switch (option = (unsigned char) buf[++i]) {
2919 /* Whatever this is, we refuse to do it. */
2920 if (appData.debugMode)
2921 fprintf(debugFP, "%d ", option);
2922 TelnetRequest(TN_WONT, option);
2927 if (appData.debugMode)
2928 fprintf(debugFP, "\n<DONT ");
2929 switch (option = (unsigned char) buf[++i]) {
2931 if (appData.debugMode)
2932 fprintf(debugFP, "%d ", option);
2933 /* Whatever this is, we are already not doing
2934 it, because we never agree to do anything
2935 non-default, so according to the protocol
2936 rules, we don't reply. */
2941 if (appData.debugMode)
2942 fprintf(debugFP, "\n<IAC ");
2943 /* Doubled IAC; pass it through */
2947 if (appData.debugMode)
2948 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2949 /* Drop all other telnet commands on the floor */
2952 if (oldi > next_out)
2953 SendToPlayer(&buf[next_out], oldi - next_out);
2959 /* OK, this at least will *usually* work */
2960 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2964 if (loggedOn && !intfSet) {
2965 if (ics_type == ICS_ICC) {
2966 snprintf(str, MSG_SIZ,
2967 "/set-quietly interface %s\n/set-quietly style 12\n",
2969 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2970 strcat(str, "/set-2 51 1\n/set seek 1\n");
2971 } else if (ics_type == ICS_CHESSNET) {
2972 snprintf(str, MSG_SIZ, "/style 12\n");
2974 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2975 strcat(str, programVersion);
2976 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2977 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2978 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2980 strcat(str, "$iset nohighlight 1\n");
2982 strcat(str, "$iset lock 1\n$style 12\n");
2985 NotifyFrontendLogin();
2989 if (started == STARTED_COMMENT) {
2990 /* Accumulate characters in comment */
2991 parse[parse_pos++] = buf[i];
2992 if (buf[i] == '\n') {
2993 parse[parse_pos] = NULLCHAR;
2994 if(chattingPartner>=0) {
2996 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2997 OutputChatMessage(chattingPartner, mess);
2998 chattingPartner = -1;
2999 next_out = i+1; // [HGM] suppress printing in ICS window
3001 if(!suppressKibitz) // [HGM] kibitz
3002 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3003 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3004 int nrDigit = 0, nrAlph = 0, j;
3005 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3006 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3007 parse[parse_pos] = NULLCHAR;
3008 // try to be smart: if it does not look like search info, it should go to
3009 // ICS interaction window after all, not to engine-output window.
3010 for(j=0; j<parse_pos; j++) { // count letters and digits
3011 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3012 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3013 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3015 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3016 int depth=0; float score;
3017 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3018 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3019 pvInfoList[forwardMostMove-1].depth = depth;
3020 pvInfoList[forwardMostMove-1].score = 100*score;
3022 OutputKibitz(suppressKibitz, parse);
3025 if(gameMode == IcsObserving) // restore original ICS messages
3026 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3028 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3029 SendToPlayer(tmp, strlen(tmp));
3031 next_out = i+1; // [HGM] suppress printing in ICS window
3033 started = STARTED_NONE;
3035 /* Don't match patterns against characters in comment */
3040 if (started == STARTED_CHATTER) {
3041 if (buf[i] != '\n') {
3042 /* Don't match patterns against characters in chatter */
3046 started = STARTED_NONE;
3047 if(suppressKibitz) next_out = i+1;
3050 /* Kludge to deal with rcmd protocol */
3051 if (firstTime && looking_at(buf, &i, "\001*")) {
3052 DisplayFatalError(&buf[1], 0, 1);
3058 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3061 if (appData.debugMode)
3062 fprintf(debugFP, "ics_type %d\n", ics_type);
3065 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3066 ics_type = ICS_FICS;
3068 if (appData.debugMode)
3069 fprintf(debugFP, "ics_type %d\n", ics_type);
3072 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3073 ics_type = ICS_CHESSNET;
3075 if (appData.debugMode)
3076 fprintf(debugFP, "ics_type %d\n", ics_type);
3081 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3082 looking_at(buf, &i, "Logging you in as \"*\"") ||
3083 looking_at(buf, &i, "will be \"*\""))) {
3084 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3088 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3090 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3091 DisplayIcsInteractionTitle(buf);
3092 have_set_title = TRUE;
3095 /* skip finger notes */
3096 if (started == STARTED_NONE &&
3097 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3098 (buf[i] == '1' && buf[i+1] == '0')) &&
3099 buf[i+2] == ':' && buf[i+3] == ' ') {
3100 started = STARTED_CHATTER;
3106 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3107 if(appData.seekGraph) {
3108 if(soughtPending && MatchSoughtLine(buf+i)) {
3109 i = strstr(buf+i, "rated") - buf;
3110 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3111 next_out = leftover_start = i;
3112 started = STARTED_CHATTER;
3113 suppressKibitz = TRUE;
3116 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3117 && looking_at(buf, &i, "* ads displayed")) {
3118 soughtPending = FALSE;
3123 if(appData.autoRefresh) {
3124 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3125 int s = (ics_type == ICS_ICC); // ICC format differs
3127 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3128 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3129 looking_at(buf, &i, "*% "); // eat prompt
3130 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3131 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3132 next_out = i; // suppress
3135 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3136 char *p = star_match[0];
3138 if(seekGraphUp) RemoveSeekAd(atoi(p));
3139 while(*p && *p++ != ' '); // next
3141 looking_at(buf, &i, "*% "); // eat prompt
3142 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3149 /* skip formula vars */
3150 if (started == STARTED_NONE &&
3151 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3152 started = STARTED_CHATTER;
3157 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3158 if (appData.autoKibitz && started == STARTED_NONE &&
3159 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3160 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3161 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3162 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3163 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3164 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3165 suppressKibitz = TRUE;
3166 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3168 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3169 && (gameMode == IcsPlayingWhite)) ||
3170 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3171 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3172 started = STARTED_CHATTER; // own kibitz we simply discard
3174 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3175 parse_pos = 0; parse[0] = NULLCHAR;
3176 savingComment = TRUE;
3177 suppressKibitz = gameMode != IcsObserving ? 2 :
3178 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3182 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3183 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3184 && atoi(star_match[0])) {
3185 // suppress the acknowledgements of our own autoKibitz
3187 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3188 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3189 SendToPlayer(star_match[0], strlen(star_match[0]));
3190 if(looking_at(buf, &i, "*% ")) // eat prompt
3191 suppressKibitz = FALSE;
3195 } // [HGM] kibitz: end of patch
3197 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3199 // [HGM] chat: intercept tells by users for which we have an open chat window
3201 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3202 looking_at(buf, &i, "* whispers:") ||
3203 looking_at(buf, &i, "* kibitzes:") ||
3204 looking_at(buf, &i, "* shouts:") ||
3205 looking_at(buf, &i, "* c-shouts:") ||
3206 looking_at(buf, &i, "--> * ") ||
3207 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3208 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3209 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3210 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3212 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3213 chattingPartner = -1;
3215 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3216 for(p=0; p<MAX_CHAT; p++) {
3217 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3218 talker[0] = '['; strcat(talker, "] ");
3219 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3220 chattingPartner = p; break;
3223 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3224 for(p=0; p<MAX_CHAT; p++) {
3225 if(!strcmp("kibitzes", chatPartner[p])) {
3226 talker[0] = '['; strcat(talker, "] ");
3227 chattingPartner = p; break;
3230 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3231 for(p=0; p<MAX_CHAT; p++) {
3232 if(!strcmp("whispers", chatPartner[p])) {
3233 talker[0] = '['; strcat(talker, "] ");
3234 chattingPartner = p; break;
3237 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3238 if(buf[i-8] == '-' && buf[i-3] == 't')
3239 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3240 if(!strcmp("c-shouts", chatPartner[p])) {
3241 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3242 chattingPartner = p; break;
3245 if(chattingPartner < 0)
3246 for(p=0; p<MAX_CHAT; p++) {
3247 if(!strcmp("shouts", chatPartner[p])) {
3248 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3249 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3250 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3251 chattingPartner = p; break;
3255 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3256 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3257 talker[0] = 0; Colorize(ColorTell, FALSE);
3258 chattingPartner = p; break;
3260 if(chattingPartner<0) i = oldi; else {
3261 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3262 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3263 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3264 started = STARTED_COMMENT;
3265 parse_pos = 0; parse[0] = NULLCHAR;
3266 savingComment = 3 + chattingPartner; // counts as TRUE
3267 suppressKibitz = TRUE;
3270 } // [HGM] chat: end of patch
3273 if (appData.zippyTalk || appData.zippyPlay) {
3274 /* [DM] Backup address for color zippy lines */
3276 if (loggedOn == TRUE)
3277 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3278 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3280 } // [DM] 'else { ' deleted
3282 /* Regular tells and says */
3283 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3284 looking_at(buf, &i, "* (your partner) tells you: ") ||
3285 looking_at(buf, &i, "* says: ") ||
3286 /* Don't color "message" or "messages" output */
3287 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3288 looking_at(buf, &i, "*. * at *:*: ") ||
3289 looking_at(buf, &i, "--* (*:*): ") ||
3290 /* Message notifications (same color as tells) */
3291 looking_at(buf, &i, "* has left a message ") ||
3292 looking_at(buf, &i, "* just sent you a message:\n") ||
3293 /* Whispers and kibitzes */
3294 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3295 looking_at(buf, &i, "* kibitzes: ") ||
3297 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3299 if (tkind == 1 && strchr(star_match[0], ':')) {
3300 /* Avoid "tells you:" spoofs in channels */
3303 if (star_match[0][0] == NULLCHAR ||
3304 strchr(star_match[0], ' ') ||
3305 (tkind == 3 && strchr(star_match[1], ' '))) {
3306 /* Reject bogus matches */
3309 if (appData.colorize) {
3310 if (oldi > next_out) {
3311 SendToPlayer(&buf[next_out], oldi - next_out);
3316 Colorize(ColorTell, FALSE);
3317 curColor = ColorTell;
3320 Colorize(ColorKibitz, FALSE);
3321 curColor = ColorKibitz;
3324 p = strrchr(star_match[1], '(');
3331 Colorize(ColorChannel1, FALSE);
3332 curColor = ColorChannel1;
3334 Colorize(ColorChannel, FALSE);
3335 curColor = ColorChannel;
3339 curColor = ColorNormal;
3343 if (started == STARTED_NONE && appData.autoComment &&
3344 (gameMode == IcsObserving ||
3345 gameMode == IcsPlayingWhite ||
3346 gameMode == IcsPlayingBlack)) {
3347 parse_pos = i - oldi;
3348 memcpy(parse, &buf[oldi], parse_pos);
3349 parse[parse_pos] = NULLCHAR;
3350 started = STARTED_COMMENT;
3351 savingComment = TRUE;
3353 started = STARTED_CHATTER;
3354 savingComment = FALSE;
3361 if (looking_at(buf, &i, "* s-shouts: ") ||
3362 looking_at(buf, &i, "* c-shouts: ")) {
3363 if (appData.colorize) {
3364 if (oldi > next_out) {
3365 SendToPlayer(&buf[next_out], oldi - next_out);
3368 Colorize(ColorSShout, FALSE);
3369 curColor = ColorSShout;
3372 started = STARTED_CHATTER;
3376 if (looking_at(buf, &i, "--->")) {
3381 if (looking_at(buf, &i, "* shouts: ") ||
3382 looking_at(buf, &i, "--> ")) {
3383 if (appData.colorize) {
3384 if (oldi > next_out) {
3385 SendToPlayer(&buf[next_out], oldi - next_out);
3388 Colorize(ColorShout, FALSE);
3389 curColor = ColorShout;
3392 started = STARTED_CHATTER;
3396 if (looking_at( buf, &i, "Challenge:")) {
3397 if (appData.colorize) {
3398 if (oldi > next_out) {
3399 SendToPlayer(&buf[next_out], oldi - next_out);
3402 Colorize(ColorChallenge, FALSE);
3403 curColor = ColorChallenge;
3409 if (looking_at(buf, &i, "* offers you") ||
3410 looking_at(buf, &i, "* offers to be") ||
3411 looking_at(buf, &i, "* would like to") ||
3412 looking_at(buf, &i, "* requests to") ||
3413 looking_at(buf, &i, "Your opponent offers") ||
3414 looking_at(buf, &i, "Your opponent requests")) {
3416 if (appData.colorize) {
3417 if (oldi > next_out) {
3418 SendToPlayer(&buf[next_out], oldi - next_out);
3421 Colorize(ColorRequest, FALSE);
3422 curColor = ColorRequest;
3427 if (looking_at(buf, &i, "* (*) seeking")) {
3428 if (appData.colorize) {
3429 if (oldi > next_out) {
3430 SendToPlayer(&buf[next_out], oldi - next_out);
3433 Colorize(ColorSeek, FALSE);
3434 curColor = ColorSeek;
3439 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3441 if (looking_at(buf, &i, "\\ ")) {
3442 if (prevColor != ColorNormal) {
3443 if (oldi > next_out) {
3444 SendToPlayer(&buf[next_out], oldi - next_out);
3447 Colorize(prevColor, TRUE);
3448 curColor = prevColor;
3450 if (savingComment) {
3451 parse_pos = i - oldi;
3452 memcpy(parse, &buf[oldi], parse_pos);
3453 parse[parse_pos] = NULLCHAR;
3454 started = STARTED_COMMENT;
3455 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3456 chattingPartner = savingComment - 3; // kludge to remember the box
3458 started = STARTED_CHATTER;
3463 if (looking_at(buf, &i, "Black Strength :") ||
3464 looking_at(buf, &i, "<<< style 10 board >>>") ||
3465 looking_at(buf, &i, "<10>") ||
3466 looking_at(buf, &i, "#@#")) {
3467 /* Wrong board style */
3469 SendToICS(ics_prefix);
3470 SendToICS("set style 12\n");
3471 SendToICS(ics_prefix);
3472 SendToICS("refresh\n");
3476 if (looking_at(buf, &i, "login:")) {
3477 if (!have_sent_ICS_logon) {
3479 have_sent_ICS_logon = 1;
3480 else // no init script was found
3481 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3482 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3483 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3488 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3489 (looking_at(buf, &i, "\n<12> ") ||
3490 looking_at(buf, &i, "<12> "))) {
3492 if (oldi > next_out) {
3493 SendToPlayer(&buf[next_out], oldi - next_out);
3496 started = STARTED_BOARD;
3501 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3502 looking_at(buf, &i, "<b1> ")) {
3503 if (oldi > next_out) {
3504 SendToPlayer(&buf[next_out], oldi - next_out);
3507 started = STARTED_HOLDINGS;
3512 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3514 /* Header for a move list -- first line */
3516 switch (ics_getting_history) {
3520 case BeginningOfGame:
3521 /* User typed "moves" or "oldmoves" while we
3522 were idle. Pretend we asked for these
3523 moves and soak them up so user can step
3524 through them and/or save them.
3527 gameMode = IcsObserving;
3530 ics_getting_history = H_GOT_UNREQ_HEADER;
3532 case EditGame: /*?*/
3533 case EditPosition: /*?*/
3534 /* Should above feature work in these modes too? */
3535 /* For now it doesn't */
3536 ics_getting_history = H_GOT_UNWANTED_HEADER;
3539 ics_getting_history = H_GOT_UNWANTED_HEADER;
3544 /* Is this the right one? */
3545 if (gameInfo.white && gameInfo.black &&
3546 strcmp(gameInfo.white, star_match[0]) == 0 &&
3547 strcmp(gameInfo.black, star_match[2]) == 0) {
3549 ics_getting_history = H_GOT_REQ_HEADER;
3552 case H_GOT_REQ_HEADER:
3553 case H_GOT_UNREQ_HEADER:
3554 case H_GOT_UNWANTED_HEADER:
3555 case H_GETTING_MOVES:
3556 /* Should not happen */
3557 DisplayError(_("Error gathering move list: two headers"), 0);
3558 ics_getting_history = H_FALSE;
3562 /* Save player ratings into gameInfo if needed */
3563 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3564 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3565 (gameInfo.whiteRating == -1 ||
3566 gameInfo.blackRating == -1)) {
3568 gameInfo.whiteRating = string_to_rating(star_match[1]);
3569 gameInfo.blackRating = string_to_rating(star_match[3]);
3570 if (appData.debugMode)
3571 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3572 gameInfo.whiteRating, gameInfo.blackRating);
3577 if (looking_at(buf, &i,
3578 "* * match, initial time: * minute*, increment: * second")) {
3579 /* Header for a move list -- second line */
3580 /* Initial board will follow if this is a wild game */
3581 if (gameInfo.event != NULL) free(gameInfo.event);
3582 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3583 gameInfo.event = StrSave(str);
3584 /* [HGM] we switched variant. Translate boards if needed. */
3585 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3589 if (looking_at(buf, &i, "Move ")) {
3590 /* Beginning of a move list */
3591 switch (ics_getting_history) {
3593 /* Normally should not happen */
3594 /* Maybe user hit reset while we were parsing */
3597 /* Happens if we are ignoring a move list that is not
3598 * the one we just requested. Common if the user
3599 * tries to observe two games without turning off
3602 case H_GETTING_MOVES:
3603 /* Should not happen */
3604 DisplayError(_("Error gathering move list: nested"), 0);
3605 ics_getting_history = H_FALSE;
3607 case H_GOT_REQ_HEADER:
3608 ics_getting_history = H_GETTING_MOVES;
3609 started = STARTED_MOVES;
3611 if (oldi > next_out) {
3612 SendToPlayer(&buf[next_out], oldi - next_out);
3615 case H_GOT_UNREQ_HEADER:
3616 ics_getting_history = H_GETTING_MOVES;
3617 started = STARTED_MOVES_NOHIDE;
3620 case H_GOT_UNWANTED_HEADER:
3621 ics_getting_history = H_FALSE;
3627 if (looking_at(buf, &i, "% ") ||
3628 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3629 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3630 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3631 soughtPending = FALSE;
3635 if(suppressKibitz) next_out = i;
3636 savingComment = FALSE;
3640 case STARTED_MOVES_NOHIDE:
3641 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3642 parse[parse_pos + i - oldi] = NULLCHAR;
3643 ParseGameHistory(parse);
3645 if (appData.zippyPlay && first.initDone) {
3646 FeedMovesToProgram(&first, forwardMostMove);
3647 if (gameMode == IcsPlayingWhite) {
3648 if (WhiteOnMove(forwardMostMove)) {
3649 if (first.sendTime) {
3650 if (first.useColors) {
3651 SendToProgram("black\n", &first);
3653 SendTimeRemaining(&first, TRUE);
3655 if (first.useColors) {
3656 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3658 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3659 first.maybeThinking = TRUE;
3661 if (first.usePlayother) {
3662 if (first.sendTime) {
3663 SendTimeRemaining(&first, TRUE);
3665 SendToProgram("playother\n", &first);
3671 } else if (gameMode == IcsPlayingBlack) {
3672 if (!WhiteOnMove(forwardMostMove)) {
3673 if (first.sendTime) {
3674 if (first.useColors) {
3675 SendToProgram("white\n", &first);
3677 SendTimeRemaining(&first, FALSE);
3679 if (first.useColors) {
3680 SendToProgram("black\n", &first);
3682 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3683 first.maybeThinking = TRUE;
3685 if (first.usePlayother) {
3686 if (first.sendTime) {
3687 SendTimeRemaining(&first, FALSE);
3689 SendToProgram("playother\n", &first);
3698 if (gameMode == IcsObserving && ics_gamenum == -1) {
3699 /* Moves came from oldmoves or moves command
3700 while we weren't doing anything else.
3702 currentMove = forwardMostMove;
3703 ClearHighlights();/*!!could figure this out*/
3704 flipView = appData.flipView;
3705 DrawPosition(TRUE, boards[currentMove]);
3706 DisplayBothClocks();
3707 snprintf(str, MSG_SIZ, "%s %s %s",
3708 gameInfo.white, _("vs."), gameInfo.black);
3712 /* Moves were history of an active game */
3713 if (gameInfo.resultDetails != NULL) {
3714 free(gameInfo.resultDetails);
3715 gameInfo.resultDetails = NULL;
3718 HistorySet(parseList, backwardMostMove,
3719 forwardMostMove, currentMove-1);
3720 DisplayMove(currentMove - 1);
3721 if (started == STARTED_MOVES) next_out = i;
3722 started = STARTED_NONE;
3723 ics_getting_history = H_FALSE;
3726 case STARTED_OBSERVE:
3727 started = STARTED_NONE;
3728 SendToICS(ics_prefix);
3729 SendToICS("refresh\n");
3735 if(bookHit) { // [HGM] book: simulate book reply
3736 static char bookMove[MSG_SIZ]; // a bit generous?
3738 programStats.nodes = programStats.depth = programStats.time =
3739 programStats.score = programStats.got_only_move = 0;
3740 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3742 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3743 strcat(bookMove, bookHit);
3744 HandleMachineMove(bookMove, &first);
3749 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3750 started == STARTED_HOLDINGS ||
3751 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3752 /* Accumulate characters in move list or board */
3753 parse[parse_pos++] = buf[i];
3756 /* Start of game messages. Mostly we detect start of game
3757 when the first board image arrives. On some versions
3758 of the ICS, though, we need to do a "refresh" after starting
3759 to observe in order to get the current board right away. */
3760 if (looking_at(buf, &i, "Adding game * to observation list")) {
3761 started = STARTED_OBSERVE;
3765 /* Handle auto-observe */
3766 if (appData.autoObserve &&
3767 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3768 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3770 /* Choose the player that was highlighted, if any. */
3771 if (star_match[0][0] == '\033' ||
3772 star_match[1][0] != '\033') {
3773 player = star_match[0];
3775 player = star_match[2];
3777 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3778 ics_prefix, StripHighlightAndTitle(player));
3781 /* Save ratings from notify string */
3782 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3783 player1Rating = string_to_rating(star_match[1]);
3784 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3785 player2Rating = string_to_rating(star_match[3]);
3787 if (appData.debugMode)
3789 "Ratings from 'Game notification:' %s %d, %s %d\n",
3790 player1Name, player1Rating,
3791 player2Name, player2Rating);
3796 /* Deal with automatic examine mode after a game,
3797 and with IcsObserving -> IcsExamining transition */
3798 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3799 looking_at(buf, &i, "has made you an examiner of game *")) {
3801 int gamenum = atoi(star_match[0]);
3802 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3803 gamenum == ics_gamenum) {
3804 /* We were already playing or observing this game;
3805 no need to refetch history */
3806 gameMode = IcsExamining;
3808 pauseExamForwardMostMove = forwardMostMove;
3809 } else if (currentMove < forwardMostMove) {
3810 ForwardInner(forwardMostMove);
3813 /* I don't think this case really can happen */
3814 SendToICS(ics_prefix);
3815 SendToICS("refresh\n");
3820 /* Error messages */
3821 // if (ics_user_moved) {
3822 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3823 if (looking_at(buf, &i, "Illegal move") ||
3824 looking_at(buf, &i, "Not a legal move") ||
3825 looking_at(buf, &i, "Your king is in check") ||
3826 looking_at(buf, &i, "It isn't your turn") ||
3827 looking_at(buf, &i, "It is not your move")) {
3829 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3830 currentMove = forwardMostMove-1;
3831 DisplayMove(currentMove - 1); /* before DMError */
3832 DrawPosition(FALSE, boards[currentMove]);
3833 SwitchClocks(forwardMostMove-1); // [HGM] race
3834 DisplayBothClocks();
3836 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3842 if (looking_at(buf, &i, "still have time") ||
3843 looking_at(buf, &i, "not out of time") ||
3844 looking_at(buf, &i, "either player is out of time") ||
3845 looking_at(buf, &i, "has timeseal; checking")) {
3846 /* We must have called his flag a little too soon */
3847 whiteFlag = blackFlag = FALSE;
3851 if (looking_at(buf, &i, "added * seconds to") ||
3852 looking_at(buf, &i, "seconds were added to")) {
3853 /* Update the clocks */
3854 SendToICS(ics_prefix);
3855 SendToICS("refresh\n");
3859 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3860 ics_clock_paused = TRUE;
3865 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3866 ics_clock_paused = FALSE;
3871 /* Grab player ratings from the Creating: message.
3872 Note we have to check for the special case when
3873 the ICS inserts things like [white] or [black]. */
3874 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3875 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3877 0 player 1 name (not necessarily white)
3879 2 empty, white, or black (IGNORED)
3880 3 player 2 name (not necessarily black)
3883 The names/ratings are sorted out when the game
3884 actually starts (below).
3886 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3887 player1Rating = string_to_rating(star_match[1]);
3888 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3889 player2Rating = string_to_rating(star_match[4]);
3891 if (appData.debugMode)
3893 "Ratings from 'Creating:' %s %d, %s %d\n",
3894 player1Name, player1Rating,
3895 player2Name, player2Rating);
3900 /* Improved generic start/end-of-game messages */
3901 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3902 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3903 /* If tkind == 0: */
3904 /* star_match[0] is the game number */
3905 /* [1] is the white player's name */
3906 /* [2] is the black player's name */
3907 /* For end-of-game: */
3908 /* [3] is the reason for the game end */
3909 /* [4] is a PGN end game-token, preceded by " " */
3910 /* For start-of-game: */
3911 /* [3] begins with "Creating" or "Continuing" */
3912 /* [4] is " *" or empty (don't care). */
3913 int gamenum = atoi(star_match[0]);
3914 char *whitename, *blackname, *why, *endtoken;
3915 ChessMove endtype = EndOfFile;
3918 whitename = star_match[1];
3919 blackname = star_match[2];
3920 why = star_match[3];
3921 endtoken = star_match[4];
3923 whitename = star_match[1];
3924 blackname = star_match[3];
3925 why = star_match[5];
3926 endtoken = star_match[6];
3929 /* Game start messages */
3930 if (strncmp(why, "Creating ", 9) == 0 ||
3931 strncmp(why, "Continuing ", 11) == 0) {
3932 gs_gamenum = gamenum;
3933 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3934 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3935 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3937 if (appData.zippyPlay) {
3938 ZippyGameStart(whitename, blackname);
3941 partnerBoardValid = FALSE; // [HGM] bughouse
3945 /* Game end messages */
3946 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3947 ics_gamenum != gamenum) {
3950 while (endtoken[0] == ' ') endtoken++;
3951 switch (endtoken[0]) {
3954 endtype = GameUnfinished;
3957 endtype = BlackWins;
3960 if (endtoken[1] == '/')
3961 endtype = GameIsDrawn;
3963 endtype = WhiteWins;
3966 GameEnds(endtype, why, GE_ICS);
3968 if (appData.zippyPlay && first.initDone) {
3969 ZippyGameEnd(endtype, why);
3970 if (first.pr == NoProc) {
3971 /* Start the next process early so that we'll
3972 be ready for the next challenge */
3973 StartChessProgram(&first);
3975 /* Send "new" early, in case this command takes
3976 a long time to finish, so that we'll be ready
3977 for the next challenge. */
3978 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3982 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3986 if (looking_at(buf, &i, "Removing game * from observation") ||
3987 looking_at(buf, &i, "no longer observing game *") ||
3988 looking_at(buf, &i, "Game * (*) has no examiners")) {
3989 if (gameMode == IcsObserving &&
3990 atoi(star_match[0]) == ics_gamenum)
3992 /* icsEngineAnalyze */
3993 if (appData.icsEngineAnalyze) {
4000 ics_user_moved = FALSE;
4005 if (looking_at(buf, &i, "no longer examining game *")) {
4006 if (gameMode == IcsExamining &&
4007 atoi(star_match[0]) == ics_gamenum)
4011 ics_user_moved = FALSE;
4016 /* Advance leftover_start past any newlines we find,
4017 so only partial lines can get reparsed */
4018 if (looking_at(buf, &i, "\n")) {
4019 prevColor = curColor;
4020 if (curColor != ColorNormal) {
4021 if (oldi > next_out) {
4022 SendToPlayer(&buf[next_out], oldi - next_out);
4025 Colorize(ColorNormal, FALSE);
4026 curColor = ColorNormal;
4028 if (started == STARTED_BOARD) {
4029 started = STARTED_NONE;
4030 parse[parse_pos] = NULLCHAR;
4031 ParseBoard12(parse);
4034 /* Send premove here */
4035 if (appData.premove) {
4037 if (currentMove == 0 &&
4038 gameMode == IcsPlayingWhite &&
4039 appData.premoveWhite) {
4040 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4041 if (appData.debugMode)
4042 fprintf(debugFP, "Sending premove:\n");
4044 } else if (currentMove == 1 &&
4045 gameMode == IcsPlayingBlack &&
4046 appData.premoveBlack) {
4047 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4048 if (appData.debugMode)
4049 fprintf(debugFP, "Sending premove:\n");
4051 } else if (gotPremove) {
4053 ClearPremoveHighlights();
4054 if (appData.debugMode)
4055 fprintf(debugFP, "Sending premove:\n");
4056 UserMoveEvent(premoveFromX, premoveFromY,
4057 premoveToX, premoveToY,
4062 /* Usually suppress following prompt */
4063 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4064 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4065 if (looking_at(buf, &i, "*% ")) {
4066 savingComment = FALSE;
4071 } else if (started == STARTED_HOLDINGS) {
4073 char new_piece[MSG_SIZ];
4074 started = STARTED_NONE;
4075 parse[parse_pos] = NULLCHAR;
4076 if (appData.debugMode)
4077 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4078 parse, currentMove);
4079 if (sscanf(parse, " game %d", &gamenum) == 1) {
4080 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4081 if (gameInfo.variant == VariantNormal) {
4082 /* [HGM] We seem to switch variant during a game!
4083 * Presumably no holdings were displayed, so we have
4084 * to move the position two files to the right to
4085 * create room for them!
4087 VariantClass newVariant;
4088 switch(gameInfo.boardWidth) { // base guess on board width
4089 case 9: newVariant = VariantShogi; break;
4090 case 10: newVariant = VariantGreat; break;
4091 default: newVariant = VariantCrazyhouse; break;
4093 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4094 /* Get a move list just to see the header, which
4095 will tell us whether this is really bug or zh */
4096 if (ics_getting_history == H_FALSE) {
4097 ics_getting_history = H_REQUESTED;
4098 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4102 new_piece[0] = NULLCHAR;
4103 sscanf(parse, "game %d white [%s black [%s <- %s",
4104 &gamenum, white_holding, black_holding,
4106 white_holding[strlen(white_holding)-1] = NULLCHAR;
4107 black_holding[strlen(black_holding)-1] = NULLCHAR;
4108 /* [HGM] copy holdings to board holdings area */
4109 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4110 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4111 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4113 if (appData.zippyPlay && first.initDone) {
4114 ZippyHoldings(white_holding, black_holding,
4118 if (tinyLayout || smallLayout) {
4119 char wh[16], bh[16];
4120 PackHolding(wh, white_holding);
4121 PackHolding(bh, black_holding);
4122 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4123 gameInfo.white, gameInfo.black);
4125 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4126 gameInfo.white, white_holding, _("vs."),
4127 gameInfo.black, black_holding);
4129 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4130 DrawPosition(FALSE, boards[currentMove]);
4132 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4133 sscanf(parse, "game %d white [%s black [%s <- %s",
4134 &gamenum, white_holding, black_holding,
4136 white_holding[strlen(white_holding)-1] = NULLCHAR;
4137 black_holding[strlen(black_holding)-1] = NULLCHAR;
4138 /* [HGM] copy holdings to partner-board holdings area */
4139 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4140 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4141 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4142 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4143 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4146 /* Suppress following prompt */
4147 if (looking_at(buf, &i, "*% ")) {
4148 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4149 savingComment = FALSE;
4157 i++; /* skip unparsed character and loop back */
4160 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4161 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4162 // SendToPlayer(&buf[next_out], i - next_out);
4163 started != STARTED_HOLDINGS && leftover_start > next_out) {
4164 SendToPlayer(&buf[next_out], leftover_start - next_out);
4168 leftover_len = buf_len - leftover_start;
4169 /* if buffer ends with something we couldn't parse,
4170 reparse it after appending the next read */
4172 } else if (count == 0) {
4173 RemoveInputSource(isr);
4174 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4176 DisplayFatalError(_("Error reading from ICS"), error, 1);
4181 /* Board style 12 looks like this:
4183 <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
4185 * The "<12> " is stripped before it gets to this routine. The two
4186 * trailing 0's (flip state and clock ticking) are later addition, and
4187 * some chess servers may not have them, or may have only the first.
4188 * Additional trailing fields may be added in the future.
4191 #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"
4193 #define RELATION_OBSERVING_PLAYED 0
4194 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4195 #define RELATION_PLAYING_MYMOVE 1
4196 #define RELATION_PLAYING_NOTMYMOVE -1
4197 #define RELATION_EXAMINING 2
4198 #define RELATION_ISOLATED_BOARD -3
4199 #define RELATION_STARTING_POSITION -4 /* FICS only */
4202 ParseBoard12 (char *string)
4206 char *bookHit = NULL; // [HGM] book
4208 GameMode newGameMode;
4209 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4210 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4211 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4212 char to_play, board_chars[200];
4213 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4214 char black[32], white[32];
4216 int prevMove = currentMove;
4219 int fromX, fromY, toX, toY;
4221 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4222 Boolean weird = FALSE, reqFlag = FALSE;
4224 fromX = fromY = toX = toY = -1;
4228 if (appData.debugMode)
4229 fprintf(debugFP, "Parsing board: %s\n", string);
4231 move_str[0] = NULLCHAR;
4232 elapsed_time[0] = NULLCHAR;
4233 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4235 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4236 if(string[i] == ' ') { ranks++; files = 0; }
4238 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4241 for(j = 0; j <i; j++) board_chars[j] = string[j];
4242 board_chars[i] = '\0';
4245 n = sscanf(string, PATTERN, &to_play, &double_push,
4246 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4247 &gamenum, white, black, &relation, &basetime, &increment,
4248 &white_stren, &black_stren, &white_time, &black_time,
4249 &moveNum, str, elapsed_time, move_str, &ics_flip,
4253 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4254 DisplayError(str, 0);
4258 /* Convert the move number to internal form */
4259 moveNum = (moveNum - 1) * 2;
4260 if (to_play == 'B') moveNum++;
4261 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4262 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4268 case RELATION_OBSERVING_PLAYED:
4269 case RELATION_OBSERVING_STATIC:
4270 if (gamenum == -1) {
4271 /* Old ICC buglet */
4272 relation = RELATION_OBSERVING_STATIC;
4274 newGameMode = IcsObserving;
4276 case RELATION_PLAYING_MYMOVE:
4277 case RELATION_PLAYING_NOTMYMOVE:
4279 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4280 IcsPlayingWhite : IcsPlayingBlack;
4281 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4283 case RELATION_EXAMINING:
4284 newGameMode = IcsExamining;
4286 case RELATION_ISOLATED_BOARD:
4288 /* Just display this board. If user was doing something else,
4289 we will forget about it until the next board comes. */
4290 newGameMode = IcsIdle;
4292 case RELATION_STARTING_POSITION:
4293 newGameMode = gameMode;
4297 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4298 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4299 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4300 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4301 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4302 static int lastBgGame = -1;
4304 for (k = 0; k < ranks; k++) {
4305 for (j = 0; j < files; j++)
4306 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4307 if(gameInfo.holdingsWidth > 1) {
4308 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4309 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4312 CopyBoard(partnerBoard, board);
4313 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4314 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4315 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4316 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4317 if(toSqr = strchr(str, '-')) {
4318 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4319 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4320 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4321 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4322 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4323 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4325 DisplayWhiteClock(white_time*fac, to_play == 'W');
4326 DisplayBlackClock(black_time*fac, to_play != 'W');
4327 activePartner = to_play;
4328 if(gamenum != lastBgGame) {
4330 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4333 lastBgGame = gamenum;
4334 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4335 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4336 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4337 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4338 if(!twoBoards) DisplayMessage(partnerStatus, "");
4339 partnerBoardValid = TRUE;
4343 if(appData.dualBoard && appData.bgObserve) {
4344 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4345 SendToICS(ics_prefix), SendToICS("pobserve\n");
4346 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4348 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4353 /* Modify behavior for initial board display on move listing
4356 switch (ics_getting_history) {
4360 case H_GOT_REQ_HEADER:
4361 case H_GOT_UNREQ_HEADER:
4362 /* This is the initial position of the current game */
4363 gamenum = ics_gamenum;
4364 moveNum = 0; /* old ICS bug workaround */
4365 if (to_play == 'B') {
4366 startedFromSetupPosition = TRUE;
4367 blackPlaysFirst = TRUE;
4369 if (forwardMostMove == 0) forwardMostMove = 1;
4370 if (backwardMostMove == 0) backwardMostMove = 1;
4371 if (currentMove == 0) currentMove = 1;
4373 newGameMode = gameMode;
4374 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4376 case H_GOT_UNWANTED_HEADER:
4377 /* This is an initial board that we don't want */
4379 case H_GETTING_MOVES:
4380 /* Should not happen */
4381 DisplayError(_("Error gathering move list: extra board"), 0);
4382 ics_getting_history = H_FALSE;
4386 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4387 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4388 weird && (int)gameInfo.variant < (int)VariantShogi) {
4389 /* [HGM] We seem to have switched variant unexpectedly
4390 * Try to guess new variant from board size
4392 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4393 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4394 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4395 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4396 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4397 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4398 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4399 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4400 /* Get a move list just to see the header, which
4401 will tell us whether this is really bug or zh */
4402 if (ics_getting_history == H_FALSE) {
4403 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4404 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4409 /* Take action if this is the first board of a new game, or of a
4410 different game than is currently being displayed. */
4411 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4412 relation == RELATION_ISOLATED_BOARD) {
4414 /* Forget the old game and get the history (if any) of the new one */
4415 if (gameMode != BeginningOfGame) {
4419 if (appData.autoRaiseBoard) BoardToTop();
4421 if (gamenum == -1) {
4422 newGameMode = IcsIdle;
4423 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4424 appData.getMoveList && !reqFlag) {
4425 /* Need to get game history */
4426 ics_getting_history = H_REQUESTED;
4427 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4431 /* Initially flip the board to have black on the bottom if playing
4432 black or if the ICS flip flag is set, but let the user change
4433 it with the Flip View button. */
4434 flipView = appData.autoFlipView ?
4435 (newGameMode == IcsPlayingBlack) || ics_flip :
4438 /* Done with values from previous mode; copy in new ones */
4439 gameMode = newGameMode;
4441 ics_gamenum = gamenum;
4442 if (gamenum == gs_gamenum) {
4443 int klen = strlen(gs_kind);
4444 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4445 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4446 gameInfo.event = StrSave(str);
4448 gameInfo.event = StrSave("ICS game");
4450 gameInfo.site = StrSave(appData.icsHost);
4451 gameInfo.date = PGNDate();
4452 gameInfo.round = StrSave("-");
4453 gameInfo.white = StrSave(white);
4454 gameInfo.black = StrSave(black);
4455 timeControl = basetime * 60 * 1000;
4457 timeIncrement = increment * 1000;
4458 movesPerSession = 0;
4459 gameInfo.timeControl = TimeControlTagValue();
4460 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4461 if (appData.debugMode) {
4462 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4463 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4464 setbuf(debugFP, NULL);
4467 gameInfo.outOfBook = NULL;
4469 /* Do we have the ratings? */
4470 if (strcmp(player1Name, white) == 0 &&
4471 strcmp(player2Name, black) == 0) {
4472 if (appData.debugMode)
4473 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4474 player1Rating, player2Rating);
4475 gameInfo.whiteRating = player1Rating;
4476 gameInfo.blackRating = player2Rating;
4477 } else if (strcmp(player2Name, white) == 0 &&
4478 strcmp(player1Name, black) == 0) {
4479 if (appData.debugMode)
4480 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4481 player2Rating, player1Rating);
4482 gameInfo.whiteRating = player2Rating;
4483 gameInfo.blackRating = player1Rating;
4485 player1Name[0] = player2Name[0] = NULLCHAR;
4487 /* Silence shouts if requested */
4488 if (appData.quietPlay &&
4489 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4490 SendToICS(ics_prefix);
4491 SendToICS("set shout 0\n");
4495 /* Deal with midgame name changes */
4497 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4498 if (gameInfo.white) free(gameInfo.white);
4499 gameInfo.white = StrSave(white);
4501 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4502 if (gameInfo.black) free(gameInfo.black);
4503 gameInfo.black = StrSave(black);
4507 /* Throw away game result if anything actually changes in examine mode */
4508 if (gameMode == IcsExamining && !newGame) {
4509 gameInfo.result = GameUnfinished;
4510 if (gameInfo.resultDetails != NULL) {
4511 free(gameInfo.resultDetails);
4512 gameInfo.resultDetails = NULL;
4516 /* In pausing && IcsExamining mode, we ignore boards coming
4517 in if they are in a different variation than we are. */
4518 if (pauseExamInvalid) return;
4519 if (pausing && gameMode == IcsExamining) {
4520 if (moveNum <= pauseExamForwardMostMove) {
4521 pauseExamInvalid = TRUE;
4522 forwardMostMove = pauseExamForwardMostMove;
4527 if (appData.debugMode) {
4528 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4530 /* Parse the board */
4531 for (k = 0; k < ranks; k++) {
4532 for (j = 0; j < files; j++)
4533 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4534 if(gameInfo.holdingsWidth > 1) {
4535 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4536 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4539 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4540 board[5][BOARD_RGHT+1] = WhiteAngel;
4541 board[6][BOARD_RGHT+1] = WhiteMarshall;
4542 board[1][0] = BlackMarshall;
4543 board[2][0] = BlackAngel;
4544 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4546 CopyBoard(boards[moveNum], board);
4547 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4549 startedFromSetupPosition =
4550 !CompareBoards(board, initialPosition);
4551 if(startedFromSetupPosition)
4552 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4555 /* [HGM] Set castling rights. Take the outermost Rooks,
4556 to make it also work for FRC opening positions. Note that board12
4557 is really defective for later FRC positions, as it has no way to
4558 indicate which Rook can castle if they are on the same side of King.
4559 For the initial position we grant rights to the outermost Rooks,
4560 and remember thos rights, and we then copy them on positions
4561 later in an FRC game. This means WB might not recognize castlings with
4562 Rooks that have moved back to their original position as illegal,
4563 but in ICS mode that is not its job anyway.
4565 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4566 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4568 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4569 if(board[0][i] == WhiteRook) j = i;
4570 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4571 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4572 if(board[0][i] == WhiteRook) j = i;
4573 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4574 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4575 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4576 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4577 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4578 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4579 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4581 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4582 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4583 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4584 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4585 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4586 if(board[BOARD_HEIGHT-1][k] == bKing)
4587 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4588 if(gameInfo.variant == VariantTwoKings) {
4589 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4590 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4591 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4594 r = boards[moveNum][CASTLING][0] = initialRights[0];
4595 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4596 r = boards[moveNum][CASTLING][1] = initialRights[1];
4597 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4598 r = boards[moveNum][CASTLING][3] = initialRights[3];
4599 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4600 r = boards[moveNum][CASTLING][4] = initialRights[4];
4601 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4602 /* wildcastle kludge: always assume King has rights */
4603 r = boards[moveNum][CASTLING][2] = initialRights[2];
4604 r = boards[moveNum][CASTLING][5] = initialRights[5];
4606 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4607 boards[moveNum][EP_STATUS] = EP_NONE;
4608 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4609 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4610 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4613 if (ics_getting_history == H_GOT_REQ_HEADER ||
4614 ics_getting_history == H_GOT_UNREQ_HEADER) {
4615 /* This was an initial position from a move list, not
4616 the current position */
4620 /* Update currentMove and known move number limits */
4621 newMove = newGame || moveNum > forwardMostMove;
4624 forwardMostMove = backwardMostMove = currentMove = moveNum;
4625 if (gameMode == IcsExamining && moveNum == 0) {
4626 /* Workaround for ICS limitation: we are not told the wild
4627 type when starting to examine a game. But if we ask for
4628 the move list, the move list header will tell us */
4629 ics_getting_history = H_REQUESTED;
4630 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4633 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4634 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4636 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4637 /* [HGM] applied this also to an engine that is silently watching */
4638 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4639 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4640 gameInfo.variant == currentlyInitializedVariant) {
4641 takeback = forwardMostMove - moveNum;
4642 for (i = 0; i < takeback; i++) {
4643 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4644 SendToProgram("undo\n", &first);
4649 forwardMostMove = moveNum;
4650 if (!pausing || currentMove > forwardMostMove)
4651 currentMove = forwardMostMove;
4653 /* New part of history that is not contiguous with old part */
4654 if (pausing && gameMode == IcsExamining) {
4655 pauseExamInvalid = TRUE;
4656 forwardMostMove = pauseExamForwardMostMove;
4659 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4661 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4662 // [HGM] when we will receive the move list we now request, it will be
4663 // fed to the engine from the first move on. So if the engine is not
4664 // in the initial position now, bring it there.
4665 InitChessProgram(&first, 0);
4668 ics_getting_history = H_REQUESTED;
4669 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4672 forwardMostMove = backwardMostMove = currentMove = moveNum;
4675 /* Update the clocks */
4676 if (strchr(elapsed_time, '.')) {
4678 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4679 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4681 /* Time is in seconds */
4682 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4683 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4688 if (appData.zippyPlay && newGame &&
4689 gameMode != IcsObserving && gameMode != IcsIdle &&
4690 gameMode != IcsExamining)
4691 ZippyFirstBoard(moveNum, basetime, increment);
4694 /* Put the move on the move list, first converting
4695 to canonical algebraic form. */
4697 if (appData.debugMode) {
4698 int f = forwardMostMove;
4699 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4700 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4701 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4702 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4703 fprintf(debugFP, "moveNum = %d\n", moveNum);
4704 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4705 setbuf(debugFP, NULL);
4707 if (moveNum <= backwardMostMove) {
4708 /* We don't know what the board looked like before
4710 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4711 strcat(parseList[moveNum - 1], " ");
4712 strcat(parseList[moveNum - 1], elapsed_time);
4713 moveList[moveNum - 1][0] = NULLCHAR;
4714 } else if (strcmp(move_str, "none") == 0) {
4715 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4716 /* Again, we don't know what the board looked like;
4717 this is really the start of the game. */
4718 parseList[moveNum - 1][0] = NULLCHAR;
4719 moveList[moveNum - 1][0] = NULLCHAR;
4720 backwardMostMove = moveNum;
4721 startedFromSetupPosition = TRUE;
4722 fromX = fromY = toX = toY = -1;
4724 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4725 // So we parse the long-algebraic move string in stead of the SAN move
4726 int valid; char buf[MSG_SIZ], *prom;
4728 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4729 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4730 // str looks something like "Q/a1-a2"; kill the slash
4732 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4733 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4734 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4735 strcat(buf, prom); // long move lacks promo specification!
4736 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4737 if(appData.debugMode)
4738 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4739 safeStrCpy(move_str, buf, MSG_SIZ);
4741 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4742 &fromX, &fromY, &toX, &toY, &promoChar)
4743 || ParseOneMove(buf, moveNum - 1, &moveType,
4744 &fromX, &fromY, &toX, &toY, &promoChar);
4745 // end of long SAN patch
4747 (void) CoordsToAlgebraic(boards[moveNum - 1],
4748 PosFlags(moveNum - 1),
4749 fromY, fromX, toY, toX, promoChar,
4750 parseList[moveNum-1]);
4751 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4757 if(gameInfo.variant != VariantShogi)
4758 strcat(parseList[moveNum - 1], "+");
4761 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4762 strcat(parseList[moveNum - 1], "#");
4765 strcat(parseList[moveNum - 1], " ");
4766 strcat(parseList[moveNum - 1], elapsed_time);
4767 /* currentMoveString is set as a side-effect of ParseOneMove */
4768 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4769 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4770 strcat(moveList[moveNum - 1], "\n");
4772 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4773 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4774 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4775 ChessSquare old, new = boards[moveNum][k][j];
4776 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4777 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4778 if(old == new) continue;
4779 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4780 else if(new == WhiteWazir || new == BlackWazir) {
4781 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4782 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4783 else boards[moveNum][k][j] = old; // preserve type of Gold
4784 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4785 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4788 /* Move from ICS was illegal!? Punt. */
4789 if (appData.debugMode) {
4790 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4791 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4793 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4794 strcat(parseList[moveNum - 1], " ");
4795 strcat(parseList[moveNum - 1], elapsed_time);
4796 moveList[moveNum - 1][0] = NULLCHAR;
4797 fromX = fromY = toX = toY = -1;
4800 if (appData.debugMode) {
4801 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4802 setbuf(debugFP, NULL);
4806 /* Send move to chess program (BEFORE animating it). */
4807 if (appData.zippyPlay && !newGame && newMove &&
4808 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4810 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4811 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4812 if (moveList[moveNum - 1][0] == NULLCHAR) {
4813 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4815 DisplayError(str, 0);
4817 if (first.sendTime) {
4818 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4820 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4821 if (firstMove && !bookHit) {
4823 if (first.useColors) {
4824 SendToProgram(gameMode == IcsPlayingWhite ?
4826 "black\ngo\n", &first);
4828 SendToProgram("go\n", &first);
4830 first.maybeThinking = TRUE;
4833 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4834 if (moveList[moveNum - 1][0] == NULLCHAR) {
4835 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4836 DisplayError(str, 0);
4838 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4839 SendMoveToProgram(moveNum - 1, &first);
4846 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4847 /* If move comes from a remote source, animate it. If it
4848 isn't remote, it will have already been animated. */
4849 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4850 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4852 if (!pausing && appData.highlightLastMove) {
4853 SetHighlights(fromX, fromY, toX, toY);
4857 /* Start the clocks */
4858 whiteFlag = blackFlag = FALSE;
4859 appData.clockMode = !(basetime == 0 && increment == 0);
4861 ics_clock_paused = TRUE;
4863 } else if (ticking == 1) {
4864 ics_clock_paused = FALSE;
4866 if (gameMode == IcsIdle ||
4867 relation == RELATION_OBSERVING_STATIC ||
4868 relation == RELATION_EXAMINING ||
4870 DisplayBothClocks();
4874 /* Display opponents and material strengths */
4875 if (gameInfo.variant != VariantBughouse &&
4876 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4877 if (tinyLayout || smallLayout) {
4878 if(gameInfo.variant == VariantNormal)
4879 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4880 gameInfo.white, white_stren, gameInfo.black, black_stren,
4881 basetime, increment);
4883 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4884 gameInfo.white, white_stren, gameInfo.black, black_stren,
4885 basetime, increment, (int) gameInfo.variant);
4887 if(gameInfo.variant == VariantNormal)
4888 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4889 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4890 basetime, increment);
4892 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4893 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4894 basetime, increment, VariantName(gameInfo.variant));
4897 if (appData.debugMode) {
4898 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4903 /* Display the board */
4904 if (!pausing && !appData.noGUI) {
4906 if (appData.premove)
4908 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4909 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4910 ClearPremoveHighlights();
4912 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4913 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4914 DrawPosition(j, boards[currentMove]);
4916 DisplayMove(moveNum - 1);
4917 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4918 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4919 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4920 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4924 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4926 if(bookHit) { // [HGM] book: simulate book reply
4927 static char bookMove[MSG_SIZ]; // a bit generous?
4929 programStats.nodes = programStats.depth = programStats.time =
4930 programStats.score = programStats.got_only_move = 0;
4931 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4933 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4934 strcat(bookMove, bookHit);
4935 HandleMachineMove(bookMove, &first);
4944 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4945 ics_getting_history = H_REQUESTED;
4946 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4952 SendToBoth (char *msg)
4953 { // to make it easy to keep two engines in step in dual analysis
4954 SendToProgram(msg, &first);
4955 if(second.analyzing) SendToProgram(msg, &second);
4959 AnalysisPeriodicEvent (int force)
4961 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4962 && !force) || !appData.periodicUpdates)
4965 /* Send . command to Crafty to collect stats */
4968 /* Don't send another until we get a response (this makes
4969 us stop sending to old Crafty's which don't understand
4970 the "." command (sending illegal cmds resets node count & time,
4971 which looks bad)) */
4972 programStats.ok_to_send = 0;
4976 ics_update_width (int new_width)
4978 ics_printf("set width %d\n", new_width);
4982 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4986 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4987 // null move in variant where engine does not understand it (for analysis purposes)
4988 SendBoard(cps, moveNum + 1); // send position after move in stead.
4991 if (cps->useUsermove) {
4992 SendToProgram("usermove ", cps);
4996 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4997 int len = space - parseList[moveNum];
4998 memcpy(buf, parseList[moveNum], len);
5000 buf[len] = NULLCHAR;
5002 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5004 SendToProgram(buf, cps);
5006 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5007 AlphaRank(moveList[moveNum], 4);
5008 SendToProgram(moveList[moveNum], cps);
5009 AlphaRank(moveList[moveNum], 4); // and back
5011 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5012 * the engine. It would be nice to have a better way to identify castle
5014 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
5015 && cps->useOOCastle) {
5016 int fromX = moveList[moveNum][0] - AAA;
5017 int fromY = moveList[moveNum][1] - ONE;
5018 int toX = moveList[moveNum][2] - AAA;
5019 int toY = moveList[moveNum][3] - ONE;
5020 if((boards[moveNum][fromY][fromX] == WhiteKing
5021 && boards[moveNum][toY][toX] == WhiteRook)
5022 || (boards[moveNum][fromY][fromX] == BlackKing
5023 && boards[moveNum][toY][toX] == BlackRook)) {
5024 if(toX > fromX) SendToProgram("O-O\n", cps);
5025 else SendToProgram("O-O-O\n", cps);
5027 else SendToProgram(moveList[moveNum], cps);
5029 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5030 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5031 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5032 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5033 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5035 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5036 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5037 SendToProgram(buf, cps);
5039 else SendToProgram(moveList[moveNum], cps);
5040 /* End of additions by Tord */
5043 /* [HGM] setting up the opening has brought engine in force mode! */
5044 /* Send 'go' if we are in a mode where machine should play. */
5045 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5046 (gameMode == TwoMachinesPlay ||
5048 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5050 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5051 SendToProgram("go\n", cps);
5052 if (appData.debugMode) {
5053 fprintf(debugFP, "(extra)\n");
5056 setboardSpoiledMachineBlack = 0;
5060 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5062 char user_move[MSG_SIZ];
5065 if(gameInfo.variant == VariantSChess && promoChar) {
5066 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5067 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5068 } else suffix[0] = NULLCHAR;
5072 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5073 (int)moveType, fromX, fromY, toX, toY);
5074 DisplayError(user_move + strlen("say "), 0);
5076 case WhiteKingSideCastle:
5077 case BlackKingSideCastle:
5078 case WhiteQueenSideCastleWild:
5079 case BlackQueenSideCastleWild:
5081 case WhiteHSideCastleFR:
5082 case BlackHSideCastleFR:
5084 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5086 case WhiteQueenSideCastle:
5087 case BlackQueenSideCastle:
5088 case WhiteKingSideCastleWild:
5089 case BlackKingSideCastleWild:
5091 case WhiteASideCastleFR:
5092 case BlackASideCastleFR:
5094 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5096 case WhiteNonPromotion:
5097 case BlackNonPromotion:
5098 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5100 case WhitePromotion:
5101 case BlackPromotion:
5102 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5103 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5104 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5105 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5106 PieceToChar(WhiteFerz));
5107 else if(gameInfo.variant == VariantGreat)
5108 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5109 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5110 PieceToChar(WhiteMan));
5112 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5113 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5119 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5120 ToUpper(PieceToChar((ChessSquare) fromX)),
5121 AAA + toX, ONE + toY);
5123 case IllegalMove: /* could be a variant we don't quite understand */
5124 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5126 case WhiteCapturesEnPassant:
5127 case BlackCapturesEnPassant:
5128 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5129 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5132 SendToICS(user_move);
5133 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5134 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5139 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5140 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5141 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5142 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5143 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5146 if(gameMode != IcsExamining) { // is this ever not the case?
5147 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5149 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5150 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5151 } else { // on FICS we must first go to general examine mode
5152 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5154 if(gameInfo.variant != VariantNormal) {
5155 // try figure out wild number, as xboard names are not always valid on ICS
5156 for(i=1; i<=36; i++) {
5157 snprintf(buf, MSG_SIZ, "wild/%d", i);
5158 if(StringToVariant(buf) == gameInfo.variant) break;
5160 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5161 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5162 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5163 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5164 SendToICS(ics_prefix);
5166 if(startedFromSetupPosition || backwardMostMove != 0) {
5167 fen = PositionToFEN(backwardMostMove, NULL, 1);
5168 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5169 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5171 } else { // FICS: everything has to set by separate bsetup commands
5172 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5173 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5175 if(!WhiteOnMove(backwardMostMove)) {
5176 SendToICS("bsetup tomove black\n");
5178 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5179 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5181 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5182 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5184 i = boards[backwardMostMove][EP_STATUS];
5185 if(i >= 0) { // set e.p.
5186 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5192 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5193 SendToICS("bsetup done\n"); // switch to normal examining.
5195 for(i = backwardMostMove; i<last; i++) {
5197 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5198 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5199 int len = strlen(moveList[i]);
5200 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5201 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5205 SendToICS(ics_prefix);
5206 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5210 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5212 if (rf == DROP_RANK) {
5213 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5214 sprintf(move, "%c@%c%c\n",
5215 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5217 if (promoChar == 'x' || promoChar == NULLCHAR) {
5218 sprintf(move, "%c%c%c%c\n",
5219 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5221 sprintf(move, "%c%c%c%c%c\n",
5222 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5228 ProcessICSInitScript (FILE *f)
5232 while (fgets(buf, MSG_SIZ, f)) {
5233 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5240 static int lastX, lastY, selectFlag, dragging;
5245 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5246 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5247 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5248 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5249 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5250 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5253 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5254 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5255 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5256 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5257 if(!step) step = -1;
5258 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5259 appData.testLegality && (promoSweep == king ||
5260 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5262 int victim = boards[currentMove][toY][toX];
5263 boards[currentMove][toY][toX] = promoSweep;
5264 DrawPosition(FALSE, boards[currentMove]);
5265 boards[currentMove][toY][toX] = victim;
5267 ChangeDragPiece(promoSweep);
5271 PromoScroll (int x, int y)
5275 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5276 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5277 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5278 if(!step) return FALSE;
5279 lastX = x; lastY = y;
5280 if((promoSweep < BlackPawn) == flipView) step = -step;
5281 if(step > 0) selectFlag = 1;
5282 if(!selectFlag) Sweep(step);
5287 NextPiece (int step)
5289 ChessSquare piece = boards[currentMove][toY][toX];
5292 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5293 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5294 if(!step) step = -1;
5295 } while(PieceToChar(pieceSweep) == '.');
5296 boards[currentMove][toY][toX] = pieceSweep;
5297 DrawPosition(FALSE, boards[currentMove]);
5298 boards[currentMove][toY][toX] = piece;
5300 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5302 AlphaRank (char *move, int n)
5304 // char *p = move, c; int x, y;
5306 if (appData.debugMode) {
5307 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5311 move[2]>='0' && move[2]<='9' &&
5312 move[3]>='a' && move[3]<='x' ) {
5314 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5315 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5317 if(move[0]>='0' && move[0]<='9' &&
5318 move[1]>='a' && move[1]<='x' &&
5319 move[2]>='0' && move[2]<='9' &&
5320 move[3]>='a' && move[3]<='x' ) {
5321 /* input move, Shogi -> normal */
5322 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5323 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5324 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5325 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5328 move[3]>='0' && move[3]<='9' &&
5329 move[2]>='a' && move[2]<='x' ) {
5331 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5332 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5335 move[0]>='a' && move[0]<='x' &&
5336 move[3]>='0' && move[3]<='9' &&
5337 move[2]>='a' && move[2]<='x' ) {
5338 /* output move, normal -> Shogi */
5339 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5340 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5341 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5342 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5343 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5345 if (appData.debugMode) {
5346 fprintf(debugFP, " out = '%s'\n", move);
5350 char yy_textstr[8000];
5352 /* Parser for moves from gnuchess, ICS, or user typein box */
5354 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5356 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5358 switch (*moveType) {
5359 case WhitePromotion:
5360 case BlackPromotion:
5361 case WhiteNonPromotion:
5362 case BlackNonPromotion:
5364 case WhiteCapturesEnPassant:
5365 case BlackCapturesEnPassant:
5366 case WhiteKingSideCastle:
5367 case WhiteQueenSideCastle:
5368 case BlackKingSideCastle:
5369 case BlackQueenSideCastle:
5370 case WhiteKingSideCastleWild:
5371 case WhiteQueenSideCastleWild:
5372 case BlackKingSideCastleWild:
5373 case BlackQueenSideCastleWild:
5374 /* Code added by Tord: */
5375 case WhiteHSideCastleFR:
5376 case WhiteASideCastleFR:
5377 case BlackHSideCastleFR:
5378 case BlackASideCastleFR:
5379 /* End of code added by Tord */
5380 case IllegalMove: /* bug or odd chess variant */
5381 *fromX = currentMoveString[0] - AAA;
5382 *fromY = currentMoveString[1] - ONE;
5383 *toX = currentMoveString[2] - AAA;
5384 *toY = currentMoveString[3] - ONE;
5385 *promoChar = currentMoveString[4];
5386 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5387 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5388 if (appData.debugMode) {
5389 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5391 *fromX = *fromY = *toX = *toY = 0;
5394 if (appData.testLegality) {
5395 return (*moveType != IllegalMove);
5397 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5398 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5403 *fromX = *moveType == WhiteDrop ?
5404 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5405 (int) CharToPiece(ToLower(currentMoveString[0]));
5407 *toX = currentMoveString[2] - AAA;
5408 *toY = currentMoveString[3] - ONE;
5409 *promoChar = NULLCHAR;
5413 case ImpossibleMove:
5423 if (appData.debugMode) {
5424 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5427 *fromX = *fromY = *toX = *toY = 0;
5428 *promoChar = NULLCHAR;
5433 Boolean pushed = FALSE;
5434 char *lastParseAttempt;
5437 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5438 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5439 int fromX, fromY, toX, toY; char promoChar;
5444 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5445 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5446 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5449 endPV = forwardMostMove;
5451 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5452 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5453 lastParseAttempt = pv;
5454 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5455 if(!valid && nr == 0 &&
5456 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5457 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5458 // Hande case where played move is different from leading PV move
5459 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5460 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5461 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5462 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5463 endPV += 2; // if position different, keep this
5464 moveList[endPV-1][0] = fromX + AAA;
5465 moveList[endPV-1][1] = fromY + ONE;
5466 moveList[endPV-1][2] = toX + AAA;
5467 moveList[endPV-1][3] = toY + ONE;
5468 parseList[endPV-1][0] = NULLCHAR;
5469 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5472 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5473 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5474 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5475 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5476 valid++; // allow comments in PV
5480 if(endPV+1 > framePtr) break; // no space, truncate
5483 CopyBoard(boards[endPV], boards[endPV-1]);
5484 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5485 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5486 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5487 CoordsToAlgebraic(boards[endPV - 1],
5488 PosFlags(endPV - 1),
5489 fromY, fromX, toY, toX, promoChar,
5490 parseList[endPV - 1]);
5492 if(atEnd == 2) return; // used hidden, for PV conversion
5493 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5494 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5495 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5496 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5497 DrawPosition(TRUE, boards[currentMove]);
5501 MultiPV (ChessProgramState *cps)
5502 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5504 for(i=0; i<cps->nrOptions; i++)
5505 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5510 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5513 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5515 int startPV, multi, lineStart, origIndex = index;
5516 char *p, buf2[MSG_SIZ];
5517 ChessProgramState *cps = (pane ? &second : &first);
5519 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5520 lastX = x; lastY = y;
5521 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5522 lineStart = startPV = index;
5523 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5524 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5526 do{ while(buf[index] && buf[index] != '\n') index++;
5527 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5529 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5530 int n = cps->option[multi].value;
5531 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5532 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5533 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5534 cps->option[multi].value = n;
5537 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5538 ExcludeClick(origIndex - lineStart);
5541 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5542 *start = startPV; *end = index-1;
5543 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5550 static char buf[10*MSG_SIZ];
5551 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5553 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5554 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5555 for(i = forwardMostMove; i<endPV; i++){
5556 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5557 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5560 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5561 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5562 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5568 LoadPV (int x, int y)
5569 { // called on right mouse click to load PV
5570 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5571 lastX = x; lastY = y;
5572 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5580 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5581 if(endPV < 0) return;
5582 if(appData.autoCopyPV) CopyFENToClipboard();
5584 if(extendGame && currentMove > forwardMostMove) {
5585 Boolean saveAnimate = appData.animate;
5587 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5588 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5589 } else storedGames--; // abandon shelved tail of original game
5592 forwardMostMove = currentMove;
5593 currentMove = oldFMM;
5594 appData.animate = FALSE;
5595 ToNrEvent(forwardMostMove);
5596 appData.animate = saveAnimate;
5598 currentMove = forwardMostMove;
5599 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5600 ClearPremoveHighlights();
5601 DrawPosition(TRUE, boards[currentMove]);
5605 MovePV (int x, int y, int h)
5606 { // step through PV based on mouse coordinates (called on mouse move)
5607 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5609 // we must somehow check if right button is still down (might be released off board!)
5610 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5611 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5612 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5614 lastX = x; lastY = y;
5616 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5617 if(endPV < 0) return;
5618 if(y < margin) step = 1; else
5619 if(y > h - margin) step = -1;
5620 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5621 currentMove += step;
5622 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5623 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5624 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5625 DrawPosition(FALSE, boards[currentMove]);
5629 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5630 // All positions will have equal probability, but the current method will not provide a unique
5631 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5637 int piecesLeft[(int)BlackPawn];
5638 int seed, nrOfShuffles;
5641 GetPositionNumber ()
5642 { // sets global variable seed
5645 seed = appData.defaultFrcPosition;
5646 if(seed < 0) { // randomize based on time for negative FRC position numbers
5647 for(i=0; i<50; i++) seed += random();
5648 seed = random() ^ random() >> 8 ^ random() << 8;
5649 if(seed<0) seed = -seed;
5654 put (Board board, int pieceType, int rank, int n, int shade)
5655 // put the piece on the (n-1)-th empty squares of the given shade
5659 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5660 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5661 board[rank][i] = (ChessSquare) pieceType;
5662 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5664 piecesLeft[pieceType]--;
5673 AddOnePiece (Board board, int pieceType, int rank, int shade)
5674 // calculate where the next piece goes, (any empty square), and put it there
5678 i = seed % squaresLeft[shade];
5679 nrOfShuffles *= squaresLeft[shade];
5680 seed /= squaresLeft[shade];
5681 put(board, pieceType, rank, i, shade);
5685 AddTwoPieces (Board board, int pieceType, int rank)
5686 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5688 int i, n=squaresLeft[ANY], j=n-1, k;
5690 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5691 i = seed % k; // pick one
5694 while(i >= j) i -= j--;
5695 j = n - 1 - j; i += j;
5696 put(board, pieceType, rank, j, ANY);
5697 put(board, pieceType, rank, i, ANY);
5701 SetUpShuffle (Board board, int number)
5705 GetPositionNumber(); nrOfShuffles = 1;
5707 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5708 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5709 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5711 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5713 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5714 p = (int) board[0][i];
5715 if(p < (int) BlackPawn) piecesLeft[p] ++;
5716 board[0][i] = EmptySquare;
5719 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5720 // shuffles restricted to allow normal castling put KRR first
5721 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5722 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5723 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5724 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5725 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5726 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5727 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5728 put(board, WhiteRook, 0, 0, ANY);
5729 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5732 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5733 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5734 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5735 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5736 while(piecesLeft[p] >= 2) {
5737 AddOnePiece(board, p, 0, LITE);
5738 AddOnePiece(board, p, 0, DARK);
5740 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5743 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5744 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5745 // but we leave King and Rooks for last, to possibly obey FRC restriction
5746 if(p == (int)WhiteRook) continue;
5747 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5748 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5751 // now everything is placed, except perhaps King (Unicorn) and Rooks
5753 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5754 // Last King gets castling rights
5755 while(piecesLeft[(int)WhiteUnicorn]) {
5756 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5757 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5760 while(piecesLeft[(int)WhiteKing]) {
5761 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5762 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5767 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5768 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5771 // Only Rooks can be left; simply place them all
5772 while(piecesLeft[(int)WhiteRook]) {
5773 i = put(board, WhiteRook, 0, 0, ANY);
5774 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5777 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5779 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5782 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5783 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5786 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5790 SetCharTable (char *table, const char * map)
5791 /* [HGM] moved here from winboard.c because of its general usefulness */
5792 /* Basically a safe strcpy that uses the last character as King */
5794 int result = FALSE; int NrPieces;
5796 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5797 && NrPieces >= 12 && !(NrPieces&1)) {
5798 int i; /* [HGM] Accept even length from 12 to 34 */
5800 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5801 for( i=0; i<NrPieces/2-1; i++ ) {
5803 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5805 table[(int) WhiteKing] = map[NrPieces/2-1];
5806 table[(int) BlackKing] = map[NrPieces-1];
5815 Prelude (Board board)
5816 { // [HGM] superchess: random selection of exo-pieces
5817 int i, j, k; ChessSquare p;
5818 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5820 GetPositionNumber(); // use FRC position number
5822 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5823 SetCharTable(pieceToChar, appData.pieceToCharTable);
5824 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5825 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5828 j = seed%4; seed /= 4;
5829 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5830 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5831 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5832 j = seed%3 + (seed%3 >= j); seed /= 3;
5833 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5834 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5835 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5836 j = seed%3; seed /= 3;
5837 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5838 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5839 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5840 j = seed%2 + (seed%2 >= j); seed /= 2;
5841 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5842 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5843 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5844 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5845 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5846 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5847 put(board, exoPieces[0], 0, 0, ANY);
5848 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5852 InitPosition (int redraw)
5854 ChessSquare (* pieces)[BOARD_FILES];
5855 int i, j, pawnRow, overrule,
5856 oldx = gameInfo.boardWidth,
5857 oldy = gameInfo.boardHeight,
5858 oldh = gameInfo.holdingsWidth;
5861 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5863 /* [AS] Initialize pv info list [HGM] and game status */
5865 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5866 pvInfoList[i].depth = 0;
5867 boards[i][EP_STATUS] = EP_NONE;
5868 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5871 initialRulePlies = 0; /* 50-move counter start */
5873 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5874 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5878 /* [HGM] logic here is completely changed. In stead of full positions */
5879 /* the initialized data only consist of the two backranks. The switch */
5880 /* selects which one we will use, which is than copied to the Board */
5881 /* initialPosition, which for the rest is initialized by Pawns and */
5882 /* empty squares. This initial position is then copied to boards[0], */
5883 /* possibly after shuffling, so that it remains available. */
5885 gameInfo.holdingsWidth = 0; /* default board sizes */
5886 gameInfo.boardWidth = 8;
5887 gameInfo.boardHeight = 8;
5888 gameInfo.holdingsSize = 0;
5889 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5890 for(i=0; i<BOARD_FILES-2; i++)
5891 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5892 initialPosition[EP_STATUS] = EP_NONE;
5893 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5894 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5895 SetCharTable(pieceNickName, appData.pieceNickNames);
5896 else SetCharTable(pieceNickName, "............");
5899 switch (gameInfo.variant) {
5900 case VariantFischeRandom:
5901 shuffleOpenings = TRUE;
5904 case VariantShatranj:
5905 pieces = ShatranjArray;
5906 nrCastlingRights = 0;
5907 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5910 pieces = makrukArray;
5911 nrCastlingRights = 0;
5912 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5915 pieces = aseanArray;
5916 nrCastlingRights = 0;
5917 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
5919 case VariantTwoKings:
5920 pieces = twoKingsArray;
5923 pieces = GrandArray;
5924 nrCastlingRights = 0;
5925 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5926 gameInfo.boardWidth = 10;
5927 gameInfo.boardHeight = 10;
5928 gameInfo.holdingsSize = 7;
5930 case VariantCapaRandom:
5931 shuffleOpenings = TRUE;
5932 case VariantCapablanca:
5933 pieces = CapablancaArray;
5934 gameInfo.boardWidth = 10;
5935 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5938 pieces = GothicArray;
5939 gameInfo.boardWidth = 10;
5940 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5943 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5944 gameInfo.holdingsSize = 7;
5945 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5948 pieces = JanusArray;
5949 gameInfo.boardWidth = 10;
5950 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5951 nrCastlingRights = 6;
5952 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5953 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5954 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5955 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5956 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5957 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5960 pieces = FalconArray;
5961 gameInfo.boardWidth = 10;
5962 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5964 case VariantXiangqi:
5965 pieces = XiangqiArray;
5966 gameInfo.boardWidth = 9;
5967 gameInfo.boardHeight = 10;
5968 nrCastlingRights = 0;
5969 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5972 pieces = ShogiArray;
5973 gameInfo.boardWidth = 9;
5974 gameInfo.boardHeight = 9;
5975 gameInfo.holdingsSize = 7;
5976 nrCastlingRights = 0;
5977 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5979 case VariantCourier:
5980 pieces = CourierArray;
5981 gameInfo.boardWidth = 12;
5982 nrCastlingRights = 0;
5983 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5985 case VariantKnightmate:
5986 pieces = KnightmateArray;
5987 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5989 case VariantSpartan:
5990 pieces = SpartanArray;
5991 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5994 pieces = fairyArray;
5995 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5998 pieces = GreatArray;
5999 gameInfo.boardWidth = 10;
6000 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6001 gameInfo.holdingsSize = 8;
6005 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6006 gameInfo.holdingsSize = 8;
6007 startedFromSetupPosition = TRUE;
6009 case VariantCrazyhouse:
6010 case VariantBughouse:
6012 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6013 gameInfo.holdingsSize = 5;
6015 case VariantWildCastle:
6017 /* !!?shuffle with kings guaranteed to be on d or e file */
6018 shuffleOpenings = 1;
6020 case VariantNoCastle:
6022 nrCastlingRights = 0;
6023 /* !!?unconstrained back-rank shuffle */
6024 shuffleOpenings = 1;
6029 if(appData.NrFiles >= 0) {
6030 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6031 gameInfo.boardWidth = appData.NrFiles;
6033 if(appData.NrRanks >= 0) {
6034 gameInfo.boardHeight = appData.NrRanks;
6036 if(appData.holdingsSize >= 0) {
6037 i = appData.holdingsSize;
6038 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6039 gameInfo.holdingsSize = i;
6041 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6042 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6043 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6045 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6046 if(pawnRow < 1) pawnRow = 1;
6047 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN || gameInfo.variant == VariantGrand) pawnRow = 2;
6049 /* User pieceToChar list overrules defaults */
6050 if(appData.pieceToCharTable != NULL)
6051 SetCharTable(pieceToChar, appData.pieceToCharTable);
6053 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6055 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6056 s = (ChessSquare) 0; /* account holding counts in guard band */
6057 for( i=0; i<BOARD_HEIGHT; i++ )
6058 initialPosition[i][j] = s;
6060 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6061 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6062 initialPosition[pawnRow][j] = WhitePawn;
6063 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6064 if(gameInfo.variant == VariantXiangqi) {
6066 initialPosition[pawnRow][j] =
6067 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6068 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6069 initialPosition[2][j] = WhiteCannon;
6070 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6074 if(gameInfo.variant == VariantGrand) {
6075 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6076 initialPosition[0][j] = WhiteRook;
6077 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6080 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6082 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6085 initialPosition[1][j] = WhiteBishop;
6086 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6088 initialPosition[1][j] = WhiteRook;
6089 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6092 if( nrCastlingRights == -1) {
6093 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6094 /* This sets default castling rights from none to normal corners */
6095 /* Variants with other castling rights must set them themselves above */
6096 nrCastlingRights = 6;
6098 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6099 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6100 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6101 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6102 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6103 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6106 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6107 if(gameInfo.variant == VariantGreat) { // promotion commoners
6108 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6109 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6110 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6111 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6113 if( gameInfo.variant == VariantSChess ) {
6114 initialPosition[1][0] = BlackMarshall;
6115 initialPosition[2][0] = BlackAngel;
6116 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6117 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6118 initialPosition[1][1] = initialPosition[2][1] =
6119 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6121 if (appData.debugMode) {
6122 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6124 if(shuffleOpenings) {
6125 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6126 startedFromSetupPosition = TRUE;
6128 if(startedFromPositionFile) {
6129 /* [HGM] loadPos: use PositionFile for every new game */
6130 CopyBoard(initialPosition, filePosition);
6131 for(i=0; i<nrCastlingRights; i++)
6132 initialRights[i] = filePosition[CASTLING][i];
6133 startedFromSetupPosition = TRUE;
6136 CopyBoard(boards[0], initialPosition);
6138 if(oldx != gameInfo.boardWidth ||
6139 oldy != gameInfo.boardHeight ||
6140 oldv != gameInfo.variant ||
6141 oldh != gameInfo.holdingsWidth
6143 InitDrawingSizes(-2 ,0);
6145 oldv = gameInfo.variant;
6147 DrawPosition(TRUE, boards[currentMove]);
6151 SendBoard (ChessProgramState *cps, int moveNum)
6153 char message[MSG_SIZ];
6155 if (cps->useSetboard) {
6156 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6157 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6158 SendToProgram(message, cps);
6163 int i, j, left=0, right=BOARD_WIDTH;
6164 /* Kludge to set black to move, avoiding the troublesome and now
6165 * deprecated "black" command.
6167 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6168 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6170 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6172 SendToProgram("edit\n", cps);
6173 SendToProgram("#\n", cps);
6174 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6175 bp = &boards[moveNum][i][left];
6176 for (j = left; j < right; j++, bp++) {
6177 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6178 if ((int) *bp < (int) BlackPawn) {
6179 if(j == BOARD_RGHT+1)
6180 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6181 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6182 if(message[0] == '+' || message[0] == '~') {
6183 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6184 PieceToChar((ChessSquare)(DEMOTED *bp)),
6187 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6188 message[1] = BOARD_RGHT - 1 - j + '1';
6189 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6191 SendToProgram(message, cps);
6196 SendToProgram("c\n", cps);
6197 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6198 bp = &boards[moveNum][i][left];
6199 for (j = left; j < right; j++, bp++) {
6200 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6201 if (((int) *bp != (int) EmptySquare)
6202 && ((int) *bp >= (int) BlackPawn)) {
6203 if(j == BOARD_LEFT-2)
6204 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6205 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6207 if(message[0] == '+' || message[0] == '~') {
6208 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6209 PieceToChar((ChessSquare)(DEMOTED *bp)),
6212 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6213 message[1] = BOARD_RGHT - 1 - j + '1';
6214 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6216 SendToProgram(message, cps);
6221 SendToProgram(".\n", cps);
6223 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6226 char exclusionHeader[MSG_SIZ];
6227 int exCnt, excludePtr;
6228 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6229 static Exclusion excluTab[200];
6230 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6236 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6237 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6243 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6244 excludePtr = 24; exCnt = 0;
6249 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6250 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6251 char buf[2*MOVE_LEN], *p;
6252 Exclusion *e = excluTab;
6254 for(i=0; i<exCnt; i++)
6255 if(e[i].ff == fromX && e[i].fr == fromY &&
6256 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6257 if(i == exCnt) { // was not in exclude list; add it
6258 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6259 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6260 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6263 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6264 excludePtr++; e[i].mark = excludePtr++;
6265 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6268 exclusionHeader[e[i].mark] = state;
6272 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6273 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6277 if((signed char)promoChar == -1) { // kludge to indicate best move
6278 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6279 return 1; // if unparsable, abort
6281 // update exclusion map (resolving toggle by consulting existing state)
6282 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6284 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6285 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6286 excludeMap[k] |= 1<<j;
6287 else excludeMap[k] &= ~(1<<j);
6289 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6291 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6292 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6294 return (state == '+');
6298 ExcludeClick (int index)
6301 Exclusion *e = excluTab;
6302 if(index < 25) { // none, best or tail clicked
6303 if(index < 13) { // none: include all
6304 WriteMap(0); // clear map
6305 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6306 SendToBoth("include all\n"); // and inform engine
6307 } else if(index > 18) { // tail
6308 if(exclusionHeader[19] == '-') { // tail was excluded
6309 SendToBoth("include all\n");
6310 WriteMap(0); // clear map completely
6311 // now re-exclude selected moves
6312 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6313 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6314 } else { // tail was included or in mixed state
6315 SendToBoth("exclude all\n");
6316 WriteMap(0xFF); // fill map completely
6317 // now re-include selected moves
6318 j = 0; // count them
6319 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6320 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6321 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6324 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6327 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6328 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6329 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6336 DefaultPromoChoice (int white)
6339 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6340 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6341 result = WhiteFerz; // no choice
6342 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6343 result= WhiteKing; // in Suicide Q is the last thing we want
6344 else if(gameInfo.variant == VariantSpartan)
6345 result = white ? WhiteQueen : WhiteAngel;
6346 else result = WhiteQueen;
6347 if(!white) result = WHITE_TO_BLACK result;
6351 static int autoQueen; // [HGM] oneclick
6354 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6356 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6357 /* [HGM] add Shogi promotions */
6358 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6363 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6364 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6366 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6367 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6370 piece = boards[currentMove][fromY][fromX];
6371 if(gameInfo.variant == VariantShogi) {
6372 promotionZoneSize = BOARD_HEIGHT/3;
6373 highestPromotingPiece = (int)WhiteFerz;
6374 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6375 promotionZoneSize = 3;
6378 // Treat Lance as Pawn when it is not representing Amazon
6379 if(gameInfo.variant != VariantSuper) {
6380 if(piece == WhiteLance) piece = WhitePawn; else
6381 if(piece == BlackLance) piece = BlackPawn;
6384 // next weed out all moves that do not touch the promotion zone at all
6385 if((int)piece >= BlackPawn) {
6386 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6388 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6390 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6391 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6394 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6396 // weed out mandatory Shogi promotions
6397 if(gameInfo.variant == VariantShogi) {
6398 if(piece >= BlackPawn) {
6399 if(toY == 0 && piece == BlackPawn ||
6400 toY == 0 && piece == BlackQueen ||
6401 toY <= 1 && piece == BlackKnight) {
6406 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6407 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6408 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6415 // weed out obviously illegal Pawn moves
6416 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6417 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6418 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6419 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6420 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6421 // note we are not allowed to test for valid (non-)capture, due to premove
6424 // we either have a choice what to promote to, or (in Shogi) whether to promote
6425 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6426 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6427 *promoChoice = PieceToChar(BlackFerz); // no choice
6430 // no sense asking what we must promote to if it is going to explode...
6431 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6432 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6435 // give caller the default choice even if we will not make it
6436 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6437 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6438 if( sweepSelect && gameInfo.variant != VariantGreat
6439 && gameInfo.variant != VariantGrand
6440 && gameInfo.variant != VariantSuper) return FALSE;
6441 if(autoQueen) return FALSE; // predetermined
6443 // suppress promotion popup on illegal moves that are not premoves
6444 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6445 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6446 if(appData.testLegality && !premove) {
6447 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6448 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6449 if(moveType != WhitePromotion && moveType != BlackPromotion)
6457 InPalace (int row, int column)
6458 { /* [HGM] for Xiangqi */
6459 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6460 column < (BOARD_WIDTH + 4)/2 &&
6461 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6466 PieceForSquare (int x, int y)
6468 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6471 return boards[currentMove][y][x];
6475 OKToStartUserMove (int x, int y)
6477 ChessSquare from_piece;
6480 if (matchMode) return FALSE;
6481 if (gameMode == EditPosition) return TRUE;
6483 if (x >= 0 && y >= 0)
6484 from_piece = boards[currentMove][y][x];
6486 from_piece = EmptySquare;
6488 if (from_piece == EmptySquare) return FALSE;
6490 white_piece = (int)from_piece >= (int)WhitePawn &&
6491 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6495 case TwoMachinesPlay:
6503 case MachinePlaysWhite:
6504 case IcsPlayingBlack:
6505 if (appData.zippyPlay) return FALSE;
6507 DisplayMoveError(_("You are playing Black"));
6512 case MachinePlaysBlack:
6513 case IcsPlayingWhite:
6514 if (appData.zippyPlay) return FALSE;
6516 DisplayMoveError(_("You are playing White"));
6521 case PlayFromGameFile:
6522 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6524 if (!white_piece && WhiteOnMove(currentMove)) {
6525 DisplayMoveError(_("It is White's turn"));
6528 if (white_piece && !WhiteOnMove(currentMove)) {
6529 DisplayMoveError(_("It is Black's turn"));
6532 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6533 /* Editing correspondence game history */
6534 /* Could disallow this or prompt for confirmation */
6539 case BeginningOfGame:
6540 if (appData.icsActive) return FALSE;
6541 if (!appData.noChessProgram) {
6543 DisplayMoveError(_("You are playing White"));
6550 if (!white_piece && WhiteOnMove(currentMove)) {
6551 DisplayMoveError(_("It is White's turn"));
6554 if (white_piece && !WhiteOnMove(currentMove)) {
6555 DisplayMoveError(_("It is Black's turn"));
6564 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6565 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6566 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6567 && gameMode != AnalyzeFile && gameMode != Training) {
6568 DisplayMoveError(_("Displayed position is not current"));
6575 OnlyMove (int *x, int *y, Boolean captures)
6577 DisambiguateClosure cl;
6578 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6580 case MachinePlaysBlack:
6581 case IcsPlayingWhite:
6582 case BeginningOfGame:
6583 if(!WhiteOnMove(currentMove)) return FALSE;
6585 case MachinePlaysWhite:
6586 case IcsPlayingBlack:
6587 if(WhiteOnMove(currentMove)) return FALSE;
6594 cl.pieceIn = EmptySquare;
6599 cl.promoCharIn = NULLCHAR;
6600 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6601 if( cl.kind == NormalMove ||
6602 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6603 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6604 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6611 if(cl.kind != ImpossibleMove) return FALSE;
6612 cl.pieceIn = EmptySquare;
6617 cl.promoCharIn = NULLCHAR;
6618 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6619 if( cl.kind == NormalMove ||
6620 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6621 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6622 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6627 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6633 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6634 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6635 int lastLoadGameUseList = FALSE;
6636 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6637 ChessMove lastLoadGameStart = EndOfFile;
6641 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6645 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6647 /* Check if the user is playing in turn. This is complicated because we
6648 let the user "pick up" a piece before it is his turn. So the piece he
6649 tried to pick up may have been captured by the time he puts it down!
6650 Therefore we use the color the user is supposed to be playing in this
6651 test, not the color of the piece that is currently on the starting
6652 square---except in EditGame mode, where the user is playing both
6653 sides; fortunately there the capture race can't happen. (It can
6654 now happen in IcsExamining mode, but that's just too bad. The user
6655 will get a somewhat confusing message in that case.)
6660 case TwoMachinesPlay:
6664 /* We switched into a game mode where moves are not accepted,
6665 perhaps while the mouse button was down. */
6668 case MachinePlaysWhite:
6669 /* User is moving for Black */
6670 if (WhiteOnMove(currentMove)) {
6671 DisplayMoveError(_("It is White's turn"));
6676 case MachinePlaysBlack:
6677 /* User is moving for White */
6678 if (!WhiteOnMove(currentMove)) {
6679 DisplayMoveError(_("It is Black's turn"));
6684 case PlayFromGameFile:
6685 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6688 case BeginningOfGame:
6691 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6692 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6693 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6694 /* User is moving for Black */
6695 if (WhiteOnMove(currentMove)) {
6696 DisplayMoveError(_("It is White's turn"));
6700 /* User is moving for White */
6701 if (!WhiteOnMove(currentMove)) {
6702 DisplayMoveError(_("It is Black's turn"));
6708 case IcsPlayingBlack:
6709 /* User is moving for Black */
6710 if (WhiteOnMove(currentMove)) {
6711 if (!appData.premove) {
6712 DisplayMoveError(_("It is White's turn"));
6713 } else if (toX >= 0 && toY >= 0) {
6716 premoveFromX = fromX;
6717 premoveFromY = fromY;
6718 premovePromoChar = promoChar;
6720 if (appData.debugMode)
6721 fprintf(debugFP, "Got premove: fromX %d,"
6722 "fromY %d, toX %d, toY %d\n",
6723 fromX, fromY, toX, toY);
6729 case IcsPlayingWhite:
6730 /* User is moving for White */
6731 if (!WhiteOnMove(currentMove)) {
6732 if (!appData.premove) {
6733 DisplayMoveError(_("It is Black's turn"));
6734 } else if (toX >= 0 && toY >= 0) {
6737 premoveFromX = fromX;
6738 premoveFromY = fromY;
6739 premovePromoChar = promoChar;
6741 if (appData.debugMode)
6742 fprintf(debugFP, "Got premove: fromX %d,"
6743 "fromY %d, toX %d, toY %d\n",
6744 fromX, fromY, toX, toY);
6754 /* EditPosition, empty square, or different color piece;
6755 click-click move is possible */
6756 if (toX == -2 || toY == -2) {
6757 boards[0][fromY][fromX] = EmptySquare;
6758 DrawPosition(FALSE, boards[currentMove]);
6760 } else if (toX >= 0 && toY >= 0) {
6761 boards[0][toY][toX] = boards[0][fromY][fromX];
6762 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6763 if(boards[0][fromY][0] != EmptySquare) {
6764 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6765 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6768 if(fromX == BOARD_RGHT+1) {
6769 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6770 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6771 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6774 boards[0][fromY][fromX] = gatingPiece;
6775 DrawPosition(FALSE, boards[currentMove]);
6781 if(toX < 0 || toY < 0) return;
6782 pup = boards[currentMove][toY][toX];
6784 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6785 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6786 if( pup != EmptySquare ) return;
6787 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6788 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6789 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6790 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6791 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6792 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6793 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6797 /* [HGM] always test for legality, to get promotion info */
6798 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6799 fromY, fromX, toY, toX, promoChar);
6801 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6803 /* [HGM] but possibly ignore an IllegalMove result */
6804 if (appData.testLegality) {
6805 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6806 DisplayMoveError(_("Illegal move"));
6811 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6812 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6813 ClearPremoveHighlights(); // was included
6814 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6818 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6821 /* Common tail of UserMoveEvent and DropMenuEvent */
6823 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6827 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6828 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6829 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6830 if(WhiteOnMove(currentMove)) {
6831 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6833 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6837 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6838 move type in caller when we know the move is a legal promotion */
6839 if(moveType == NormalMove && promoChar)
6840 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6842 /* [HGM] <popupFix> The following if has been moved here from
6843 UserMoveEvent(). Because it seemed to belong here (why not allow
6844 piece drops in training games?), and because it can only be
6845 performed after it is known to what we promote. */
6846 if (gameMode == Training) {
6847 /* compare the move played on the board to the next move in the
6848 * game. If they match, display the move and the opponent's response.
6849 * If they don't match, display an error message.
6853 CopyBoard(testBoard, boards[currentMove]);
6854 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6856 if (CompareBoards(testBoard, boards[currentMove+1])) {
6857 ForwardInner(currentMove+1);
6859 /* Autoplay the opponent's response.
6860 * if appData.animate was TRUE when Training mode was entered,
6861 * the response will be animated.
6863 saveAnimate = appData.animate;
6864 appData.animate = animateTraining;
6865 ForwardInner(currentMove+1);
6866 appData.animate = saveAnimate;
6868 /* check for the end of the game */
6869 if (currentMove >= forwardMostMove) {
6870 gameMode = PlayFromGameFile;
6872 SetTrainingModeOff();
6873 DisplayInformation(_("End of game"));
6876 DisplayError(_("Incorrect move"), 0);
6881 /* Ok, now we know that the move is good, so we can kill
6882 the previous line in Analysis Mode */
6883 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6884 && currentMove < forwardMostMove) {
6885 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6886 else forwardMostMove = currentMove;
6891 /* If we need the chess program but it's dead, restart it */
6892 ResurrectChessProgram();
6894 /* A user move restarts a paused game*/
6898 thinkOutput[0] = NULLCHAR;
6900 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6902 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6903 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6907 if (gameMode == BeginningOfGame) {
6908 if (appData.noChessProgram) {
6909 gameMode = EditGame;
6913 gameMode = MachinePlaysBlack;
6916 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6918 if (first.sendName) {
6919 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6920 SendToProgram(buf, &first);
6927 /* Relay move to ICS or chess engine */
6928 if (appData.icsActive) {
6929 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6930 gameMode == IcsExamining) {
6931 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6932 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6934 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6936 // also send plain move, in case ICS does not understand atomic claims
6937 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6941 if (first.sendTime && (gameMode == BeginningOfGame ||
6942 gameMode == MachinePlaysWhite ||
6943 gameMode == MachinePlaysBlack)) {
6944 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6946 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6947 // [HGM] book: if program might be playing, let it use book
6948 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6949 first.maybeThinking = TRUE;
6950 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6951 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6952 SendBoard(&first, currentMove+1);
6953 if(second.analyzing) {
6954 if(!second.useSetboard) SendToProgram("undo\n", &second);
6955 SendBoard(&second, currentMove+1);
6958 SendMoveToProgram(forwardMostMove-1, &first);
6959 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6961 if (currentMove == cmailOldMove + 1) {
6962 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6966 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6970 if(appData.testLegality)
6971 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6977 if (WhiteOnMove(currentMove)) {
6978 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6980 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6984 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6989 case MachinePlaysBlack:
6990 case MachinePlaysWhite:
6991 /* disable certain menu options while machine is thinking */
6992 SetMachineThinkingEnables();
6999 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7000 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7002 if(bookHit) { // [HGM] book: simulate book reply
7003 static char bookMove[MSG_SIZ]; // a bit generous?
7005 programStats.nodes = programStats.depth = programStats.time =
7006 programStats.score = programStats.got_only_move = 0;
7007 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7009 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7010 strcat(bookMove, bookHit);
7011 HandleMachineMove(bookMove, &first);
7017 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7019 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7020 Markers *m = (Markers *) closure;
7021 if(rf == fromY && ff == fromX)
7022 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7023 || kind == WhiteCapturesEnPassant
7024 || kind == BlackCapturesEnPassant);
7025 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7029 MarkTargetSquares (int clear)
7032 if(clear) // no reason to ever suppress clearing
7033 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
7034 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7035 !appData.testLegality || gameMode == EditPosition) return;
7038 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7039 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7040 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7042 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7045 DrawPosition(FALSE, NULL);
7049 Explode (Board board, int fromX, int fromY, int toX, int toY)
7051 if(gameInfo.variant == VariantAtomic &&
7052 (board[toY][toX] != EmptySquare || // capture?
7053 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7054 board[fromY][fromX] == BlackPawn )
7056 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7062 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7065 CanPromote (ChessSquare piece, int y)
7067 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7068 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7069 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7070 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7071 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7072 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7073 return (piece == BlackPawn && y == 1 ||
7074 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7075 piece == BlackLance && y == 1 ||
7076 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7080 LeftClick (ClickType clickType, int xPix, int yPix)
7083 Boolean saveAnimate;
7084 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7085 char promoChoice = NULLCHAR;
7087 static TimeMark lastClickTime, prevClickTime;
7089 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7091 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7093 if (clickType == Press) ErrorPopDown();
7095 x = EventToSquare(xPix, BOARD_WIDTH);
7096 y = EventToSquare(yPix, BOARD_HEIGHT);
7097 if (!flipView && y >= 0) {
7098 y = BOARD_HEIGHT - 1 - y;
7100 if (flipView && x >= 0) {
7101 x = BOARD_WIDTH - 1 - x;
7104 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7105 defaultPromoChoice = promoSweep;
7106 promoSweep = EmptySquare; // terminate sweep
7107 promoDefaultAltered = TRUE;
7108 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7111 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7112 if(clickType == Release) return; // ignore upclick of click-click destination
7113 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7114 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7115 if(gameInfo.holdingsWidth &&
7116 (WhiteOnMove(currentMove)
7117 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7118 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7119 // click in right holdings, for determining promotion piece
7120 ChessSquare p = boards[currentMove][y][x];
7121 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7122 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7123 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7124 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7129 DrawPosition(FALSE, boards[currentMove]);
7133 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7134 if(clickType == Press
7135 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7136 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7137 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7140 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7141 // could be static click on premove from-square: abort premove
7143 ClearPremoveHighlights();
7146 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7147 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7149 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7150 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7151 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7152 defaultPromoChoice = DefaultPromoChoice(side);
7155 autoQueen = appData.alwaysPromoteToQueen;
7159 gatingPiece = EmptySquare;
7160 if (clickType != Press) {
7161 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7162 DragPieceEnd(xPix, yPix); dragging = 0;
7163 DrawPosition(FALSE, NULL);
7167 doubleClick = FALSE;
7168 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7169 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7171 fromX = x; fromY = y; toX = toY = -1;
7172 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7173 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7174 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7176 if (OKToStartUserMove(fromX, fromY)) {
7178 MarkTargetSquares(0);
7179 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7180 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7181 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7182 promoSweep = defaultPromoChoice;
7183 selectFlag = 0; lastX = xPix; lastY = yPix;
7184 Sweep(0); // Pawn that is going to promote: preview promotion piece
7185 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7187 if (appData.highlightDragging) {
7188 SetHighlights(fromX, fromY, -1, -1);
7192 } else fromX = fromY = -1;
7198 if (clickType == Press && gameMode != EditPosition) {
7203 // ignore off-board to clicks
7204 if(y < 0 || x < 0) return;
7206 /* Check if clicking again on the same color piece */
7207 fromP = boards[currentMove][fromY][fromX];
7208 toP = boards[currentMove][y][x];
7209 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7210 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7211 WhitePawn <= toP && toP <= WhiteKing &&
7212 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7213 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7214 (BlackPawn <= fromP && fromP <= BlackKing &&
7215 BlackPawn <= toP && toP <= BlackKing &&
7216 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7217 !(fromP == BlackKing && toP == BlackRook && frc))) {
7218 /* Clicked again on same color piece -- changed his mind */
7219 second = (x == fromX && y == fromY);
7220 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7221 second = FALSE; // first double-click rather than scond click
7222 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7224 promoDefaultAltered = FALSE;
7225 MarkTargetSquares(1);
7226 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7227 if (appData.highlightDragging) {
7228 SetHighlights(x, y, -1, -1);
7232 if (OKToStartUserMove(x, y)) {
7233 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7234 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7235 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7236 gatingPiece = boards[currentMove][fromY][fromX];
7237 else gatingPiece = doubleClick ? fromP : EmptySquare;
7239 fromY = y; dragging = 1;
7240 MarkTargetSquares(0);
7241 DragPieceBegin(xPix, yPix, FALSE);
7242 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7243 promoSweep = defaultPromoChoice;
7244 selectFlag = 0; lastX = xPix; lastY = yPix;
7245 Sweep(0); // Pawn that is going to promote: preview promotion piece
7249 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7252 // ignore clicks on holdings
7253 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7256 if (clickType == Release && x == fromX && y == fromY) {
7257 DragPieceEnd(xPix, yPix); dragging = 0;
7259 // a deferred attempt to click-click move an empty square on top of a piece
7260 boards[currentMove][y][x] = EmptySquare;
7262 DrawPosition(FALSE, boards[currentMove]);
7263 fromX = fromY = -1; clearFlag = 0;
7266 if (appData.animateDragging) {
7267 /* Undo animation damage if any */
7268 DrawPosition(FALSE, NULL);
7270 if (second || sweepSelecting) {
7271 /* Second up/down in same square; just abort move */
7272 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7273 second = sweepSelecting = 0;
7275 gatingPiece = EmptySquare;
7276 MarkTargetSquares(1);
7279 ClearPremoveHighlights();
7281 /* First upclick in same square; start click-click mode */
7282 SetHighlights(x, y, -1, -1);
7289 /* we now have a different from- and (possibly off-board) to-square */
7290 /* Completed move */
7291 if(!sweepSelecting) {
7294 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7296 saveAnimate = appData.animate;
7297 if (clickType == Press) {
7298 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7299 // must be Edit Position mode with empty-square selected
7300 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7301 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7304 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7305 if(appData.sweepSelect) {
7306 ChessSquare piece = boards[currentMove][fromY][fromX];
7307 promoSweep = defaultPromoChoice;
7308 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7309 selectFlag = 0; lastX = xPix; lastY = yPix;
7310 Sweep(0); // Pawn that is going to promote: preview promotion piece
7312 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7313 MarkTargetSquares(1);
7315 return; // promo popup appears on up-click
7317 /* Finish clickclick move */
7318 if (appData.animate || appData.highlightLastMove) {
7319 SetHighlights(fromX, fromY, toX, toY);
7325 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7326 /* Finish drag move */
7327 if (appData.highlightLastMove) {
7328 SetHighlights(fromX, fromY, toX, toY);
7333 DragPieceEnd(xPix, yPix); dragging = 0;
7334 /* Don't animate move and drag both */
7335 appData.animate = FALSE;
7338 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7339 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7340 ChessSquare piece = boards[currentMove][fromY][fromX];
7341 if(gameMode == EditPosition && piece != EmptySquare &&
7342 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7345 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7346 n = PieceToNumber(piece - (int)BlackPawn);
7347 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7348 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7349 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7351 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7352 n = PieceToNumber(piece);
7353 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7354 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7355 boards[currentMove][n][BOARD_WIDTH-2]++;
7357 boards[currentMove][fromY][fromX] = EmptySquare;
7361 MarkTargetSquares(1);
7362 DrawPosition(TRUE, boards[currentMove]);
7366 // off-board moves should not be highlighted
7367 if(x < 0 || y < 0) ClearHighlights();
7369 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7371 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7372 SetHighlights(fromX, fromY, toX, toY);
7373 MarkTargetSquares(1);
7374 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7375 // [HGM] super: promotion to captured piece selected from holdings
7376 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7377 promotionChoice = TRUE;
7378 // kludge follows to temporarily execute move on display, without promoting yet
7379 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7380 boards[currentMove][toY][toX] = p;
7381 DrawPosition(FALSE, boards[currentMove]);
7382 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7383 boards[currentMove][toY][toX] = q;
7384 DisplayMessage("Click in holdings to choose piece", "");
7389 int oldMove = currentMove;
7390 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7391 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7392 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7393 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7394 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7395 DrawPosition(TRUE, boards[currentMove]);
7396 MarkTargetSquares(1);
7399 appData.animate = saveAnimate;
7400 if (appData.animate || appData.animateDragging) {
7401 /* Undo animation damage if needed */
7402 DrawPosition(FALSE, NULL);
7407 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7408 { // front-end-free part taken out of PieceMenuPopup
7409 int whichMenu; int xSqr, ySqr;
7411 if(seekGraphUp) { // [HGM] seekgraph
7412 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7413 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7417 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7418 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7419 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7420 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7421 if(action == Press) {
7422 originalFlip = flipView;
7423 flipView = !flipView; // temporarily flip board to see game from partners perspective
7424 DrawPosition(TRUE, partnerBoard);
7425 DisplayMessage(partnerStatus, "");
7427 } else if(action == Release) {
7428 flipView = originalFlip;
7429 DrawPosition(TRUE, boards[currentMove]);
7435 xSqr = EventToSquare(x, BOARD_WIDTH);
7436 ySqr = EventToSquare(y, BOARD_HEIGHT);
7437 if (action == Release) {
7438 if(pieceSweep != EmptySquare) {
7439 EditPositionMenuEvent(pieceSweep, toX, toY);
7440 pieceSweep = EmptySquare;
7441 } else UnLoadPV(); // [HGM] pv
7443 if (action != Press) return -2; // return code to be ignored
7446 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7448 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7449 if (xSqr < 0 || ySqr < 0) return -1;
7450 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7451 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7452 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7453 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7457 if(!appData.icsEngineAnalyze) return -1;
7458 case IcsPlayingWhite:
7459 case IcsPlayingBlack:
7460 if(!appData.zippyPlay) goto noZip;
7463 case MachinePlaysWhite:
7464 case MachinePlaysBlack:
7465 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7466 if (!appData.dropMenu) {
7468 return 2; // flag front-end to grab mouse events
7470 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7471 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7474 if (xSqr < 0 || ySqr < 0) return -1;
7475 if (!appData.dropMenu || appData.testLegality &&
7476 gameInfo.variant != VariantBughouse &&
7477 gameInfo.variant != VariantCrazyhouse) return -1;
7478 whichMenu = 1; // drop menu
7484 if (((*fromX = xSqr) < 0) ||
7485 ((*fromY = ySqr) < 0)) {
7486 *fromX = *fromY = -1;
7490 *fromX = BOARD_WIDTH - 1 - *fromX;
7492 *fromY = BOARD_HEIGHT - 1 - *fromY;
7498 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7500 // char * hint = lastHint;
7501 FrontEndProgramStats stats;
7503 stats.which = cps == &first ? 0 : 1;
7504 stats.depth = cpstats->depth;
7505 stats.nodes = cpstats->nodes;
7506 stats.score = cpstats->score;
7507 stats.time = cpstats->time;
7508 stats.pv = cpstats->movelist;
7509 stats.hint = lastHint;
7510 stats.an_move_index = 0;
7511 stats.an_move_count = 0;
7513 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7514 stats.hint = cpstats->move_name;
7515 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7516 stats.an_move_count = cpstats->nr_moves;
7519 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
7521 SetProgramStats( &stats );
7525 ClearEngineOutputPane (int which)
7527 static FrontEndProgramStats dummyStats;
7528 dummyStats.which = which;
7529 dummyStats.pv = "#";
7530 SetProgramStats( &dummyStats );
7533 #define MAXPLAYERS 500
7536 TourneyStandings (int display)
7538 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7539 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7540 char result, *p, *names[MAXPLAYERS];
7542 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7543 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7544 names[0] = p = strdup(appData.participants);
7545 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7547 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7549 while(result = appData.results[nr]) {
7550 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7551 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7552 wScore = bScore = 0;
7554 case '+': wScore = 2; break;
7555 case '-': bScore = 2; break;
7556 case '=': wScore = bScore = 1; break;
7558 case '*': return strdup("busy"); // tourney not finished
7566 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7567 for(w=0; w<nPlayers; w++) {
7569 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7570 ranking[w] = b; points[w] = bScore; score[b] = -2;
7572 p = malloc(nPlayers*34+1);
7573 for(w=0; w<nPlayers && w<display; w++)
7574 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7580 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7581 { // count all piece types
7583 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7584 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7585 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7588 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7589 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7590 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7591 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7592 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7593 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7598 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7600 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7601 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7603 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7604 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7605 if(myPawns == 2 && nMine == 3) // KPP
7606 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7607 if(myPawns == 1 && nMine == 2) // KP
7608 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7609 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7610 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7611 if(myPawns) return FALSE;
7612 if(pCnt[WhiteRook+side])
7613 return pCnt[BlackRook-side] ||
7614 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7615 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7616 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7617 if(pCnt[WhiteCannon+side]) {
7618 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7619 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7621 if(pCnt[WhiteKnight+side])
7622 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7627 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7629 VariantClass v = gameInfo.variant;
7631 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7632 if(v == VariantShatranj) return TRUE; // always winnable through baring
7633 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7634 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7636 if(v == VariantXiangqi) {
7637 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7639 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7640 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7641 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7642 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7643 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7644 if(stale) // we have at least one last-rank P plus perhaps C
7645 return majors // KPKX
7646 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7648 return pCnt[WhiteFerz+side] // KCAK
7649 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7650 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7651 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7653 } else if(v == VariantKnightmate) {
7654 if(nMine == 1) return FALSE;
7655 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7656 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7657 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7659 if(nMine == 1) return FALSE; // bare King
7660 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
7661 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7662 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7663 // by now we have King + 1 piece (or multiple Bishops on the same color)
7664 if(pCnt[WhiteKnight+side])
7665 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7666 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7667 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7669 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7670 if(pCnt[WhiteAlfil+side])
7671 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7672 if(pCnt[WhiteWazir+side])
7673 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7680 CompareWithRights (Board b1, Board b2)
7683 if(!CompareBoards(b1, b2)) return FALSE;
7684 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7685 /* compare castling rights */
7686 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7687 rights++; /* King lost rights, while rook still had them */
7688 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7689 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7690 rights++; /* but at least one rook lost them */
7692 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7694 if( b1[CASTLING][5] != NoRights ) {
7695 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7702 Adjudicate (ChessProgramState *cps)
7703 { // [HGM] some adjudications useful with buggy engines
7704 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7705 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7706 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7707 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7708 int k, drop, count = 0; static int bare = 1;
7709 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7710 Boolean canAdjudicate = !appData.icsActive;
7712 // most tests only when we understand the game, i.e. legality-checking on
7713 if( appData.testLegality )
7714 { /* [HGM] Some more adjudications for obstinate engines */
7715 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7716 static int moveCount = 6;
7718 char *reason = NULL;
7720 /* Count what is on board. */
7721 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7723 /* Some material-based adjudications that have to be made before stalemate test */
7724 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7725 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7726 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7727 if(canAdjudicate && appData.checkMates) {
7729 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7730 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7731 "Xboard adjudication: King destroyed", GE_XBOARD );
7736 /* Bare King in Shatranj (loses) or Losers (wins) */
7737 if( nrW == 1 || nrB == 1) {
7738 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7739 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7740 if(canAdjudicate && appData.checkMates) {
7742 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7743 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7744 "Xboard adjudication: Bare king", GE_XBOARD );
7748 if( gameInfo.variant == VariantShatranj && --bare < 0)
7750 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7751 if(canAdjudicate && appData.checkMates) {
7752 /* but only adjudicate if adjudication enabled */
7754 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7755 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7756 "Xboard adjudication: Bare king", GE_XBOARD );
7763 // don't wait for engine to announce game end if we can judge ourselves
7764 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7766 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7767 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7768 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7769 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7772 reason = "Xboard adjudication: 3rd check";
7773 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7783 reason = "Xboard adjudication: Stalemate";
7784 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7785 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7786 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7787 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7788 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7789 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7790 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7791 EP_CHECKMATE : EP_WINS);
7792 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7793 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7797 reason = "Xboard adjudication: Checkmate";
7798 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7799 if(gameInfo.variant == VariantShogi) {
7800 if(forwardMostMove > backwardMostMove
7801 && moveList[forwardMostMove-1][1] == '@'
7802 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7803 reason = "XBoard adjudication: pawn-drop mate";
7804 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7810 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7812 result = GameIsDrawn; break;
7814 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7816 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7820 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7822 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7823 GameEnds( result, reason, GE_XBOARD );
7827 /* Next absolutely insufficient mating material. */
7828 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7829 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7830 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7832 /* always flag draws, for judging claims */
7833 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7835 if(canAdjudicate && appData.materialDraws) {
7836 /* but only adjudicate them if adjudication enabled */
7837 if(engineOpponent) {
7838 SendToProgram("force\n", engineOpponent); // suppress reply
7839 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7841 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7846 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7847 if(gameInfo.variant == VariantXiangqi ?
7848 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7850 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7851 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7852 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7853 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7855 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7856 { /* if the first 3 moves do not show a tactical win, declare draw */
7857 if(engineOpponent) {
7858 SendToProgram("force\n", engineOpponent); // suppress reply
7859 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7861 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7864 } else moveCount = 6;
7867 // Repetition draws and 50-move rule can be applied independently of legality testing
7869 /* Check for rep-draws */
7871 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7872 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7873 for(k = forwardMostMove-2;
7874 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7875 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7876 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7879 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7880 /* compare castling rights */
7881 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7882 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7883 rights++; /* King lost rights, while rook still had them */
7884 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7885 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7886 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7887 rights++; /* but at least one rook lost them */
7889 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7890 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7892 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7893 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7894 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7897 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7898 && appData.drawRepeats > 1) {
7899 /* adjudicate after user-specified nr of repeats */
7900 int result = GameIsDrawn;
7901 char *details = "XBoard adjudication: repetition draw";
7902 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
7903 // [HGM] xiangqi: check for forbidden perpetuals
7904 int m, ourPerpetual = 1, hisPerpetual = 1;
7905 for(m=forwardMostMove; m>k; m-=2) {
7906 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7907 ourPerpetual = 0; // the current mover did not always check
7908 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7909 hisPerpetual = 0; // the opponent did not always check
7911 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7912 ourPerpetual, hisPerpetual);
7913 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7914 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7915 details = "Xboard adjudication: perpetual checking";
7917 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7918 break; // (or we would have caught him before). Abort repetition-checking loop.
7920 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
7921 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
7923 details = "Xboard adjudication: repetition";
7925 } else // it must be XQ
7926 // Now check for perpetual chases
7927 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7928 hisPerpetual = PerpetualChase(k, forwardMostMove);
7929 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7930 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7931 static char resdet[MSG_SIZ];
7932 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7934 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7936 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7937 break; // Abort repetition-checking loop.
7939 // if neither of us is checking or chasing all the time, or both are, it is draw
7941 if(engineOpponent) {
7942 SendToProgram("force\n", engineOpponent); // suppress reply
7943 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7945 GameEnds( result, details, GE_XBOARD );
7948 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7949 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7953 /* Now we test for 50-move draws. Determine ply count */
7954 count = forwardMostMove;
7955 /* look for last irreversble move */
7956 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7958 /* if we hit starting position, add initial plies */
7959 if( count == backwardMostMove )
7960 count -= initialRulePlies;
7961 count = forwardMostMove - count;
7962 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7963 // adjust reversible move counter for checks in Xiangqi
7964 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7965 if(i < backwardMostMove) i = backwardMostMove;
7966 while(i <= forwardMostMove) {
7967 lastCheck = inCheck; // check evasion does not count
7968 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7969 if(inCheck || lastCheck) count--; // check does not count
7974 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7975 /* this is used to judge if draw claims are legal */
7976 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7977 if(engineOpponent) {
7978 SendToProgram("force\n", engineOpponent); // suppress reply
7979 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7981 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7985 /* if draw offer is pending, treat it as a draw claim
7986 * when draw condition present, to allow engines a way to
7987 * claim draws before making their move to avoid a race
7988 * condition occurring after their move
7990 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7992 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7993 p = "Draw claim: 50-move rule";
7994 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7995 p = "Draw claim: 3-fold repetition";
7996 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7997 p = "Draw claim: insufficient mating material";
7998 if( p != NULL && canAdjudicate) {
7999 if(engineOpponent) {
8000 SendToProgram("force\n", engineOpponent); // suppress reply
8001 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8003 GameEnds( GameIsDrawn, p, GE_XBOARD );
8008 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8009 if(engineOpponent) {
8010 SendToProgram("force\n", engineOpponent); // suppress reply
8011 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8013 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8020 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8021 { // [HGM] book: this routine intercepts moves to simulate book replies
8022 char *bookHit = NULL;
8024 //first determine if the incoming move brings opponent into his book
8025 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8026 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8027 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8028 if(bookHit != NULL && !cps->bookSuspend) {
8029 // make sure opponent is not going to reply after receiving move to book position
8030 SendToProgram("force\n", cps);
8031 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8033 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8034 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8035 // now arrange restart after book miss
8037 // after a book hit we never send 'go', and the code after the call to this routine
8038 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8039 char buf[MSG_SIZ], *move = bookHit;
8041 int fromX, fromY, toX, toY;
8045 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8046 &fromX, &fromY, &toX, &toY, &promoChar)) {
8047 (void) CoordsToAlgebraic(boards[forwardMostMove],
8048 PosFlags(forwardMostMove),
8049 fromY, fromX, toY, toX, promoChar, move);
8051 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8055 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8056 SendToProgram(buf, cps);
8057 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8058 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8059 SendToProgram("go\n", cps);
8060 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8061 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8062 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8063 SendToProgram("go\n", cps);
8064 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8066 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8070 LoadError (char *errmess, ChessProgramState *cps)
8071 { // unloads engine and switches back to -ncp mode if it was first
8072 if(cps->initDone) return FALSE;
8073 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8074 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8077 appData.noChessProgram = TRUE;
8078 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8079 gameMode = BeginningOfGame; ModeHighlight();
8082 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8083 DisplayMessage("", ""); // erase waiting message
8084 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8089 ChessProgramState *savedState;
8091 DeferredBookMove (void)
8093 if(savedState->lastPing != savedState->lastPong)
8094 ScheduleDelayedEvent(DeferredBookMove, 10);
8096 HandleMachineMove(savedMessage, savedState);
8099 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8100 static ChessProgramState *stalledEngine;
8101 static char stashedInputMove[MSG_SIZ];
8104 HandleMachineMove (char *message, ChessProgramState *cps)
8106 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8107 char realname[MSG_SIZ];
8108 int fromX, fromY, toX, toY;
8112 int machineWhite, oldError;
8115 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8116 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8117 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8118 DisplayError(_("Invalid pairing from pairing engine"), 0);
8121 pairingReceived = 1;
8123 return; // Skim the pairing messages here.
8126 oldError = cps->userError; cps->userError = 0;
8128 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8130 * Kludge to ignore BEL characters
8132 while (*message == '\007') message++;
8135 * [HGM] engine debug message: ignore lines starting with '#' character
8137 if(cps->debug && *message == '#') return;
8140 * Look for book output
8142 if (cps == &first && bookRequested) {
8143 if (message[0] == '\t' || message[0] == ' ') {
8144 /* Part of the book output is here; append it */
8145 strcat(bookOutput, message);
8146 strcat(bookOutput, " \n");
8148 } else if (bookOutput[0] != NULLCHAR) {
8149 /* All of book output has arrived; display it */
8150 char *p = bookOutput;
8151 while (*p != NULLCHAR) {
8152 if (*p == '\t') *p = ' ';
8155 DisplayInformation(bookOutput);
8156 bookRequested = FALSE;
8157 /* Fall through to parse the current output */
8162 * Look for machine move.
8164 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8165 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8167 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8168 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8169 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8170 stalledEngine = cps;
8171 if(appData.ponderNextMove) { // bring opponent out of ponder
8172 if(gameMode == TwoMachinesPlay) {
8173 if(cps->other->pause)
8174 PauseEngine(cps->other);
8176 SendToProgram("easy\n", cps->other);
8183 /* This method is only useful on engines that support ping */
8184 if (cps->lastPing != cps->lastPong) {
8185 if (gameMode == BeginningOfGame) {
8186 /* Extra move from before last new; ignore */
8187 if (appData.debugMode) {
8188 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8191 if (appData.debugMode) {
8192 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8193 cps->which, gameMode);
8196 SendToProgram("undo\n", cps);
8202 case BeginningOfGame:
8203 /* Extra move from before last reset; ignore */
8204 if (appData.debugMode) {
8205 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8212 /* Extra move after we tried to stop. The mode test is
8213 not a reliable way of detecting this problem, but it's
8214 the best we can do on engines that don't support ping.
8216 if (appData.debugMode) {
8217 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8218 cps->which, gameMode);
8220 SendToProgram("undo\n", cps);
8223 case MachinePlaysWhite:
8224 case IcsPlayingWhite:
8225 machineWhite = TRUE;
8228 case MachinePlaysBlack:
8229 case IcsPlayingBlack:
8230 machineWhite = FALSE;
8233 case TwoMachinesPlay:
8234 machineWhite = (cps->twoMachinesColor[0] == 'w');
8237 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8238 if (appData.debugMode) {
8240 "Ignoring move out of turn by %s, gameMode %d"
8241 ", forwardMost %d\n",
8242 cps->which, gameMode, forwardMostMove);
8247 if(cps->alphaRank) AlphaRank(machineMove, 4);
8248 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8249 &fromX, &fromY, &toX, &toY, &promoChar)) {
8250 /* Machine move could not be parsed; ignore it. */
8251 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8252 machineMove, _(cps->which));
8253 DisplayMoveError(buf1);
8254 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8255 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8256 if (gameMode == TwoMachinesPlay) {
8257 GameEnds(machineWhite ? BlackWins : WhiteWins,
8263 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8264 /* So we have to redo legality test with true e.p. status here, */
8265 /* to make sure an illegal e.p. capture does not slip through, */
8266 /* to cause a forfeit on a justified illegal-move complaint */
8267 /* of the opponent. */
8268 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8270 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8271 fromY, fromX, toY, toX, promoChar);
8272 if(moveType == IllegalMove) {
8273 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8274 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8275 GameEnds(machineWhite ? BlackWins : WhiteWins,
8278 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8279 /* [HGM] Kludge to handle engines that send FRC-style castling
8280 when they shouldn't (like TSCP-Gothic) */
8282 case WhiteASideCastleFR:
8283 case BlackASideCastleFR:
8285 currentMoveString[2]++;
8287 case WhiteHSideCastleFR:
8288 case BlackHSideCastleFR:
8290 currentMoveString[2]--;
8292 default: ; // nothing to do, but suppresses warning of pedantic compilers
8295 hintRequested = FALSE;
8296 lastHint[0] = NULLCHAR;
8297 bookRequested = FALSE;
8298 /* Program may be pondering now */
8299 cps->maybeThinking = TRUE;
8300 if (cps->sendTime == 2) cps->sendTime = 1;
8301 if (cps->offeredDraw) cps->offeredDraw--;
8303 /* [AS] Save move info*/
8304 pvInfoList[ forwardMostMove ].score = programStats.score;
8305 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8306 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8308 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8310 /* Test suites abort the 'game' after one move */
8311 if(*appData.finger) {
8313 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8314 if(!f) f = fopen(appData.finger, "w");
8315 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8316 else { DisplayFatalError("Bad output file", errno, 0); return; }
8318 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8321 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8322 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8325 while( count < adjudicateLossPlies ) {
8326 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8329 score = -score; /* Flip score for winning side */
8332 if( score > adjudicateLossThreshold ) {
8339 if( count >= adjudicateLossPlies ) {
8340 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8342 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8343 "Xboard adjudication",
8350 if(Adjudicate(cps)) {
8351 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8352 return; // [HGM] adjudicate: for all automatic game ends
8356 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8358 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8359 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8361 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8363 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8365 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8366 char buf[3*MSG_SIZ];
8368 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8369 programStats.score / 100.,
8371 programStats.time / 100.,
8372 (unsigned int)programStats.nodes,
8373 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8374 programStats.movelist);
8376 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8381 /* [AS] Clear stats for next move */
8382 ClearProgramStats();
8383 thinkOutput[0] = NULLCHAR;
8384 hiddenThinkOutputState = 0;
8387 if (gameMode == TwoMachinesPlay) {
8388 /* [HGM] relaying draw offers moved to after reception of move */
8389 /* and interpreting offer as claim if it brings draw condition */
8390 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8391 SendToProgram("draw\n", cps->other);
8393 if (cps->other->sendTime) {
8394 SendTimeRemaining(cps->other,
8395 cps->other->twoMachinesColor[0] == 'w');
8397 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8398 if (firstMove && !bookHit) {
8400 if (cps->other->useColors) {
8401 SendToProgram(cps->other->twoMachinesColor, cps->other);
8403 SendToProgram("go\n", cps->other);
8405 cps->other->maybeThinking = TRUE;
8408 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8410 if (!pausing && appData.ringBellAfterMoves) {
8415 * Reenable menu items that were disabled while
8416 * machine was thinking
8418 if (gameMode != TwoMachinesPlay)
8419 SetUserThinkingEnables();
8421 // [HGM] book: after book hit opponent has received move and is now in force mode
8422 // force the book reply into it, and then fake that it outputted this move by jumping
8423 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8425 static char bookMove[MSG_SIZ]; // a bit generous?
8427 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8428 strcat(bookMove, bookHit);
8431 programStats.nodes = programStats.depth = programStats.time =
8432 programStats.score = programStats.got_only_move = 0;
8433 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8435 if(cps->lastPing != cps->lastPong) {
8436 savedMessage = message; // args for deferred call
8438 ScheduleDelayedEvent(DeferredBookMove, 10);
8447 /* Set special modes for chess engines. Later something general
8448 * could be added here; for now there is just one kludge feature,
8449 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8450 * when "xboard" is given as an interactive command.
8452 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8453 cps->useSigint = FALSE;
8454 cps->useSigterm = FALSE;
8456 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8457 ParseFeatures(message+8, cps);
8458 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8461 if (!strncmp(message, "setup ", 6) &&
8462 (!appData.testLegality || gameInfo.variant == VariantFairy || NonStandardBoardSize())
8463 ) { // [HGM] allow first engine to define opening position
8464 int dummy, s=6; char buf[MSG_SIZ];
8465 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8466 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8467 if(startedFromSetupPosition) return;
8468 if(sscanf(message+s, "%dx%d+%d", &dummy, &dummy, &dummy) == 3) while(message[s] && message[s++] != ' '); // for compatibility with Alien Edition
8469 ParseFEN(boards[0], &dummy, message+s);
8470 DrawPosition(TRUE, boards[0]);
8471 startedFromSetupPosition = TRUE;
8474 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8475 * want this, I was asked to put it in, and obliged.
8477 if (!strncmp(message, "setboard ", 9)) {
8478 Board initial_position;
8480 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8482 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8483 DisplayError(_("Bad FEN received from engine"), 0);
8487 CopyBoard(boards[0], initial_position);
8488 initialRulePlies = FENrulePlies;
8489 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8490 else gameMode = MachinePlaysBlack;
8491 DrawPosition(FALSE, boards[currentMove]);
8497 * Look for communication commands
8499 if (!strncmp(message, "telluser ", 9)) {
8500 if(message[9] == '\\' && message[10] == '\\')
8501 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8503 DisplayNote(message + 9);
8506 if (!strncmp(message, "tellusererror ", 14)) {
8508 if(message[14] == '\\' && message[15] == '\\')
8509 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8511 DisplayError(message + 14, 0);
8514 if (!strncmp(message, "tellopponent ", 13)) {
8515 if (appData.icsActive) {
8517 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8521 DisplayNote(message + 13);
8525 if (!strncmp(message, "tellothers ", 11)) {
8526 if (appData.icsActive) {
8528 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8531 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8534 if (!strncmp(message, "tellall ", 8)) {
8535 if (appData.icsActive) {
8537 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8541 DisplayNote(message + 8);
8545 if (strncmp(message, "warning", 7) == 0) {
8546 /* Undocumented feature, use tellusererror in new code */
8547 DisplayError(message, 0);
8550 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8551 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8552 strcat(realname, " query");
8553 AskQuestion(realname, buf2, buf1, cps->pr);
8556 /* Commands from the engine directly to ICS. We don't allow these to be
8557 * sent until we are logged on. Crafty kibitzes have been known to
8558 * interfere with the login process.
8561 if (!strncmp(message, "tellics ", 8)) {
8562 SendToICS(message + 8);
8566 if (!strncmp(message, "tellicsnoalias ", 15)) {
8567 SendToICS(ics_prefix);
8568 SendToICS(message + 15);
8572 /* The following are for backward compatibility only */
8573 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8574 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8575 SendToICS(ics_prefix);
8581 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8585 * If the move is illegal, cancel it and redraw the board.
8586 * Also deal with other error cases. Matching is rather loose
8587 * here to accommodate engines written before the spec.
8589 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8590 strncmp(message, "Error", 5) == 0) {
8591 if (StrStr(message, "name") ||
8592 StrStr(message, "rating") || StrStr(message, "?") ||
8593 StrStr(message, "result") || StrStr(message, "board") ||
8594 StrStr(message, "bk") || StrStr(message, "computer") ||
8595 StrStr(message, "variant") || StrStr(message, "hint") ||
8596 StrStr(message, "random") || StrStr(message, "depth") ||
8597 StrStr(message, "accepted")) {
8600 if (StrStr(message, "protover")) {
8601 /* Program is responding to input, so it's apparently done
8602 initializing, and this error message indicates it is
8603 protocol version 1. So we don't need to wait any longer
8604 for it to initialize and send feature commands. */
8605 FeatureDone(cps, 1);
8606 cps->protocolVersion = 1;
8609 cps->maybeThinking = FALSE;
8611 if (StrStr(message, "draw")) {
8612 /* Program doesn't have "draw" command */
8613 cps->sendDrawOffers = 0;
8616 if (cps->sendTime != 1 &&
8617 (StrStr(message, "time") || StrStr(message, "otim"))) {
8618 /* Program apparently doesn't have "time" or "otim" command */
8622 if (StrStr(message, "analyze")) {
8623 cps->analysisSupport = FALSE;
8624 cps->analyzing = FALSE;
8625 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8626 EditGameEvent(); // [HGM] try to preserve loaded game
8627 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8628 DisplayError(buf2, 0);
8631 if (StrStr(message, "(no matching move)st")) {
8632 /* Special kludge for GNU Chess 4 only */
8633 cps->stKludge = TRUE;
8634 SendTimeControl(cps, movesPerSession, timeControl,
8635 timeIncrement, appData.searchDepth,
8639 if (StrStr(message, "(no matching move)sd")) {
8640 /* Special kludge for GNU Chess 4 only */
8641 cps->sdKludge = TRUE;
8642 SendTimeControl(cps, movesPerSession, timeControl,
8643 timeIncrement, appData.searchDepth,
8647 if (!StrStr(message, "llegal")) {
8650 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8651 gameMode == IcsIdle) return;
8652 if (forwardMostMove <= backwardMostMove) return;
8653 if (pausing) PauseEvent();
8654 if(appData.forceIllegal) {
8655 // [HGM] illegal: machine refused move; force position after move into it
8656 SendToProgram("force\n", cps);
8657 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8658 // we have a real problem now, as SendBoard will use the a2a3 kludge
8659 // when black is to move, while there might be nothing on a2 or black
8660 // might already have the move. So send the board as if white has the move.
8661 // But first we must change the stm of the engine, as it refused the last move
8662 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8663 if(WhiteOnMove(forwardMostMove)) {
8664 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8665 SendBoard(cps, forwardMostMove); // kludgeless board
8667 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8668 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8669 SendBoard(cps, forwardMostMove+1); // kludgeless board
8671 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8672 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8673 gameMode == TwoMachinesPlay)
8674 SendToProgram("go\n", cps);
8677 if (gameMode == PlayFromGameFile) {
8678 /* Stop reading this game file */
8679 gameMode = EditGame;
8682 /* [HGM] illegal-move claim should forfeit game when Xboard */
8683 /* only passes fully legal moves */
8684 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8685 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8686 "False illegal-move claim", GE_XBOARD );
8687 return; // do not take back move we tested as valid
8689 currentMove = forwardMostMove-1;
8690 DisplayMove(currentMove-1); /* before DisplayMoveError */
8691 SwitchClocks(forwardMostMove-1); // [HGM] race
8692 DisplayBothClocks();
8693 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8694 parseList[currentMove], _(cps->which));
8695 DisplayMoveError(buf1);
8696 DrawPosition(FALSE, boards[currentMove]);
8698 SetUserThinkingEnables();
8701 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8702 /* Program has a broken "time" command that
8703 outputs a string not ending in newline.
8709 * If chess program startup fails, exit with an error message.
8710 * Attempts to recover here are futile. [HGM] Well, we try anyway
8712 if ((StrStr(message, "unknown host") != NULL)
8713 || (StrStr(message, "No remote directory") != NULL)
8714 || (StrStr(message, "not found") != NULL)
8715 || (StrStr(message, "No such file") != NULL)
8716 || (StrStr(message, "can't alloc") != NULL)
8717 || (StrStr(message, "Permission denied") != NULL)) {
8719 cps->maybeThinking = FALSE;
8720 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8721 _(cps->which), cps->program, cps->host, message);
8722 RemoveInputSource(cps->isr);
8723 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8724 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8725 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8731 * Look for hint output
8733 if (sscanf(message, "Hint: %s", buf1) == 1) {
8734 if (cps == &first && hintRequested) {
8735 hintRequested = FALSE;
8736 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8737 &fromX, &fromY, &toX, &toY, &promoChar)) {
8738 (void) CoordsToAlgebraic(boards[forwardMostMove],
8739 PosFlags(forwardMostMove),
8740 fromY, fromX, toY, toX, promoChar, buf1);
8741 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8742 DisplayInformation(buf2);
8744 /* Hint move could not be parsed!? */
8745 snprintf(buf2, sizeof(buf2),
8746 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8747 buf1, _(cps->which));
8748 DisplayError(buf2, 0);
8751 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8757 * Ignore other messages if game is not in progress
8759 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8760 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8763 * look for win, lose, draw, or draw offer
8765 if (strncmp(message, "1-0", 3) == 0) {
8766 char *p, *q, *r = "";
8767 p = strchr(message, '{');
8775 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8777 } else if (strncmp(message, "0-1", 3) == 0) {
8778 char *p, *q, *r = "";
8779 p = strchr(message, '{');
8787 /* Kludge for Arasan 4.1 bug */
8788 if (strcmp(r, "Black resigns") == 0) {
8789 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8792 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8794 } else if (strncmp(message, "1/2", 3) == 0) {
8795 char *p, *q, *r = "";
8796 p = strchr(message, '{');
8805 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8808 } else if (strncmp(message, "White resign", 12) == 0) {
8809 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8811 } else if (strncmp(message, "Black resign", 12) == 0) {
8812 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8814 } else if (strncmp(message, "White matches", 13) == 0 ||
8815 strncmp(message, "Black matches", 13) == 0 ) {
8816 /* [HGM] ignore GNUShogi noises */
8818 } else if (strncmp(message, "White", 5) == 0 &&
8819 message[5] != '(' &&
8820 StrStr(message, "Black") == NULL) {
8821 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8823 } else if (strncmp(message, "Black", 5) == 0 &&
8824 message[5] != '(') {
8825 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8827 } else if (strcmp(message, "resign") == 0 ||
8828 strcmp(message, "computer resigns") == 0) {
8830 case MachinePlaysBlack:
8831 case IcsPlayingBlack:
8832 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8834 case MachinePlaysWhite:
8835 case IcsPlayingWhite:
8836 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8838 case TwoMachinesPlay:
8839 if (cps->twoMachinesColor[0] == 'w')
8840 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8842 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8849 } else if (strncmp(message, "opponent mates", 14) == 0) {
8851 case MachinePlaysBlack:
8852 case IcsPlayingBlack:
8853 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8855 case MachinePlaysWhite:
8856 case IcsPlayingWhite:
8857 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8859 case TwoMachinesPlay:
8860 if (cps->twoMachinesColor[0] == 'w')
8861 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8863 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8870 } else if (strncmp(message, "computer mates", 14) == 0) {
8872 case MachinePlaysBlack:
8873 case IcsPlayingBlack:
8874 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8876 case MachinePlaysWhite:
8877 case IcsPlayingWhite:
8878 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8880 case TwoMachinesPlay:
8881 if (cps->twoMachinesColor[0] == 'w')
8882 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8884 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8891 } else if (strncmp(message, "checkmate", 9) == 0) {
8892 if (WhiteOnMove(forwardMostMove)) {
8893 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8895 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8898 } else if (strstr(message, "Draw") != NULL ||
8899 strstr(message, "game is a draw") != NULL) {
8900 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8902 } else if (strstr(message, "offer") != NULL &&
8903 strstr(message, "draw") != NULL) {
8905 if (appData.zippyPlay && first.initDone) {
8906 /* Relay offer to ICS */
8907 SendToICS(ics_prefix);
8908 SendToICS("draw\n");
8911 cps->offeredDraw = 2; /* valid until this engine moves twice */
8912 if (gameMode == TwoMachinesPlay) {
8913 if (cps->other->offeredDraw) {
8914 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8915 /* [HGM] in two-machine mode we delay relaying draw offer */
8916 /* until after we also have move, to see if it is really claim */
8918 } else if (gameMode == MachinePlaysWhite ||
8919 gameMode == MachinePlaysBlack) {
8920 if (userOfferedDraw) {
8921 DisplayInformation(_("Machine accepts your draw offer"));
8922 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8924 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8931 * Look for thinking output
8933 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8934 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8936 int plylev, mvleft, mvtot, curscore, time;
8937 char mvname[MOVE_LEN];
8941 int prefixHint = FALSE;
8942 mvname[0] = NULLCHAR;
8945 case MachinePlaysBlack:
8946 case IcsPlayingBlack:
8947 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8949 case MachinePlaysWhite:
8950 case IcsPlayingWhite:
8951 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8956 case IcsObserving: /* [DM] icsEngineAnalyze */
8957 if (!appData.icsEngineAnalyze) ignore = TRUE;
8959 case TwoMachinesPlay:
8960 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8970 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8972 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8973 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8975 if (plyext != ' ' && plyext != '\t') {
8979 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8980 if( cps->scoreIsAbsolute &&
8981 ( gameMode == MachinePlaysBlack ||
8982 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8983 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8984 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8985 !WhiteOnMove(currentMove)
8988 curscore = -curscore;
8991 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8993 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8996 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8997 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8998 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8999 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9000 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9001 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9003 } else DisplayError(_("failed writing PV"), 0);
9006 tempStats.depth = plylev;
9007 tempStats.nodes = nodes;
9008 tempStats.time = time;
9009 tempStats.score = curscore;
9010 tempStats.got_only_move = 0;
9012 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9015 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9016 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9017 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9018 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9019 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9020 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9021 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9022 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9025 /* Buffer overflow protection */
9026 if (pv[0] != NULLCHAR) {
9027 if (strlen(pv) >= sizeof(tempStats.movelist)
9028 && appData.debugMode) {
9030 "PV is too long; using the first %u bytes.\n",
9031 (unsigned) sizeof(tempStats.movelist) - 1);
9034 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9036 sprintf(tempStats.movelist, " no PV\n");
9039 if (tempStats.seen_stat) {
9040 tempStats.ok_to_send = 1;
9043 if (strchr(tempStats.movelist, '(') != NULL) {
9044 tempStats.line_is_book = 1;
9045 tempStats.nr_moves = 0;
9046 tempStats.moves_left = 0;
9048 tempStats.line_is_book = 0;
9051 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9052 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9054 SendProgramStatsToFrontend( cps, &tempStats );
9057 [AS] Protect the thinkOutput buffer from overflow... this
9058 is only useful if buf1 hasn't overflowed first!
9060 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9062 (gameMode == TwoMachinesPlay ?
9063 ToUpper(cps->twoMachinesColor[0]) : ' '),
9064 ((double) curscore) / 100.0,
9065 prefixHint ? lastHint : "",
9066 prefixHint ? " " : "" );
9068 if( buf1[0] != NULLCHAR ) {
9069 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9071 if( strlen(pv) > max_len ) {
9072 if( appData.debugMode) {
9073 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9075 pv[max_len+1] = '\0';
9078 strcat( thinkOutput, pv);
9081 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9082 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9083 DisplayMove(currentMove - 1);
9087 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9088 /* crafty (9.25+) says "(only move) <move>"
9089 * if there is only 1 legal move
9091 sscanf(p, "(only move) %s", buf1);
9092 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9093 sprintf(programStats.movelist, "%s (only move)", buf1);
9094 programStats.depth = 1;
9095 programStats.nr_moves = 1;
9096 programStats.moves_left = 1;
9097 programStats.nodes = 1;
9098 programStats.time = 1;
9099 programStats.got_only_move = 1;
9101 /* Not really, but we also use this member to
9102 mean "line isn't going to change" (Crafty
9103 isn't searching, so stats won't change) */
9104 programStats.line_is_book = 1;
9106 SendProgramStatsToFrontend( cps, &programStats );
9108 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9109 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9110 DisplayMove(currentMove - 1);
9113 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9114 &time, &nodes, &plylev, &mvleft,
9115 &mvtot, mvname) >= 5) {
9116 /* The stat01: line is from Crafty (9.29+) in response
9117 to the "." command */
9118 programStats.seen_stat = 1;
9119 cps->maybeThinking = TRUE;
9121 if (programStats.got_only_move || !appData.periodicUpdates)
9124 programStats.depth = plylev;
9125 programStats.time = time;
9126 programStats.nodes = nodes;
9127 programStats.moves_left = mvleft;
9128 programStats.nr_moves = mvtot;
9129 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9130 programStats.ok_to_send = 1;
9131 programStats.movelist[0] = '\0';
9133 SendProgramStatsToFrontend( cps, &programStats );
9137 } else if (strncmp(message,"++",2) == 0) {
9138 /* Crafty 9.29+ outputs this */
9139 programStats.got_fail = 2;
9142 } else if (strncmp(message,"--",2) == 0) {
9143 /* Crafty 9.29+ outputs this */
9144 programStats.got_fail = 1;
9147 } else if (thinkOutput[0] != NULLCHAR &&
9148 strncmp(message, " ", 4) == 0) {
9149 unsigned message_len;
9152 while (*p && *p == ' ') p++;
9154 message_len = strlen( p );
9156 /* [AS] Avoid buffer overflow */
9157 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9158 strcat(thinkOutput, " ");
9159 strcat(thinkOutput, p);
9162 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9163 strcat(programStats.movelist, " ");
9164 strcat(programStats.movelist, p);
9167 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9168 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9169 DisplayMove(currentMove - 1);
9177 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9178 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9180 ChessProgramStats cpstats;
9182 if (plyext != ' ' && plyext != '\t') {
9186 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9187 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9188 curscore = -curscore;
9191 cpstats.depth = plylev;
9192 cpstats.nodes = nodes;
9193 cpstats.time = time;
9194 cpstats.score = curscore;
9195 cpstats.got_only_move = 0;
9196 cpstats.movelist[0] = '\0';
9198 if (buf1[0] != NULLCHAR) {
9199 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9202 cpstats.ok_to_send = 0;
9203 cpstats.line_is_book = 0;
9204 cpstats.nr_moves = 0;
9205 cpstats.moves_left = 0;
9207 SendProgramStatsToFrontend( cps, &cpstats );
9214 /* Parse a game score from the character string "game", and
9215 record it as the history of the current game. The game
9216 score is NOT assumed to start from the standard position.
9217 The display is not updated in any way.
9220 ParseGameHistory (char *game)
9223 int fromX, fromY, toX, toY, boardIndex;
9228 if (appData.debugMode)
9229 fprintf(debugFP, "Parsing game history: %s\n", game);
9231 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9232 gameInfo.site = StrSave(appData.icsHost);
9233 gameInfo.date = PGNDate();
9234 gameInfo.round = StrSave("-");
9236 /* Parse out names of players */
9237 while (*game == ' ') game++;
9239 while (*game != ' ') *p++ = *game++;
9241 gameInfo.white = StrSave(buf);
9242 while (*game == ' ') game++;
9244 while (*game != ' ' && *game != '\n') *p++ = *game++;
9246 gameInfo.black = StrSave(buf);
9249 boardIndex = blackPlaysFirst ? 1 : 0;
9252 yyboardindex = boardIndex;
9253 moveType = (ChessMove) Myylex();
9255 case IllegalMove: /* maybe suicide chess, etc. */
9256 if (appData.debugMode) {
9257 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9258 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9259 setbuf(debugFP, NULL);
9261 case WhitePromotion:
9262 case BlackPromotion:
9263 case WhiteNonPromotion:
9264 case BlackNonPromotion:
9266 case WhiteCapturesEnPassant:
9267 case BlackCapturesEnPassant:
9268 case WhiteKingSideCastle:
9269 case WhiteQueenSideCastle:
9270 case BlackKingSideCastle:
9271 case BlackQueenSideCastle:
9272 case WhiteKingSideCastleWild:
9273 case WhiteQueenSideCastleWild:
9274 case BlackKingSideCastleWild:
9275 case BlackQueenSideCastleWild:
9277 case WhiteHSideCastleFR:
9278 case WhiteASideCastleFR:
9279 case BlackHSideCastleFR:
9280 case BlackASideCastleFR:
9282 fromX = currentMoveString[0] - AAA;
9283 fromY = currentMoveString[1] - ONE;
9284 toX = currentMoveString[2] - AAA;
9285 toY = currentMoveString[3] - ONE;
9286 promoChar = currentMoveString[4];
9290 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9291 fromX = moveType == WhiteDrop ?
9292 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9293 (int) CharToPiece(ToLower(currentMoveString[0]));
9295 toX = currentMoveString[2] - AAA;
9296 toY = currentMoveString[3] - ONE;
9297 promoChar = NULLCHAR;
9301 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9302 if (appData.debugMode) {
9303 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9304 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9305 setbuf(debugFP, NULL);
9307 DisplayError(buf, 0);
9309 case ImpossibleMove:
9311 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9312 if (appData.debugMode) {
9313 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9314 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9315 setbuf(debugFP, NULL);
9317 DisplayError(buf, 0);
9320 if (boardIndex < backwardMostMove) {
9321 /* Oops, gap. How did that happen? */
9322 DisplayError(_("Gap in move list"), 0);
9325 backwardMostMove = blackPlaysFirst ? 1 : 0;
9326 if (boardIndex > forwardMostMove) {
9327 forwardMostMove = boardIndex;
9331 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9332 strcat(parseList[boardIndex-1], " ");
9333 strcat(parseList[boardIndex-1], yy_text);
9345 case GameUnfinished:
9346 if (gameMode == IcsExamining) {
9347 if (boardIndex < backwardMostMove) {
9348 /* Oops, gap. How did that happen? */
9351 backwardMostMove = blackPlaysFirst ? 1 : 0;
9354 gameInfo.result = moveType;
9355 p = strchr(yy_text, '{');
9356 if (p == NULL) p = strchr(yy_text, '(');
9359 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9361 q = strchr(p, *p == '{' ? '}' : ')');
9362 if (q != NULL) *q = NULLCHAR;
9365 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9366 gameInfo.resultDetails = StrSave(p);
9369 if (boardIndex >= forwardMostMove &&
9370 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9371 backwardMostMove = blackPlaysFirst ? 1 : 0;
9374 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9375 fromY, fromX, toY, toX, promoChar,
9376 parseList[boardIndex]);
9377 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9378 /* currentMoveString is set as a side-effect of yylex */
9379 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9380 strcat(moveList[boardIndex], "\n");
9382 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9383 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9389 if(gameInfo.variant != VariantShogi)
9390 strcat(parseList[boardIndex - 1], "+");
9394 strcat(parseList[boardIndex - 1], "#");
9401 /* Apply a move to the given board */
9403 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9405 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9406 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9408 /* [HGM] compute & store e.p. status and castling rights for new position */
9409 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9411 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9412 oldEP = (signed char)board[EP_STATUS];
9413 board[EP_STATUS] = EP_NONE;
9415 if (fromY == DROP_RANK) {
9417 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9418 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9421 piece = board[toY][toX] = (ChessSquare) fromX;
9425 if( board[toY][toX] != EmptySquare )
9426 board[EP_STATUS] = EP_CAPTURE;
9428 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9429 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9430 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9432 if( board[fromY][fromX] == WhitePawn ) {
9433 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9434 board[EP_STATUS] = EP_PAWN_MOVE;
9436 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9437 gameInfo.variant != VariantBerolina || toX < fromX)
9438 board[EP_STATUS] = toX | berolina;
9439 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9440 gameInfo.variant != VariantBerolina || toX > fromX)
9441 board[EP_STATUS] = toX;
9444 if( board[fromY][fromX] == BlackPawn ) {
9445 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9446 board[EP_STATUS] = EP_PAWN_MOVE;
9447 if( toY-fromY== -2) {
9448 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9449 gameInfo.variant != VariantBerolina || toX < fromX)
9450 board[EP_STATUS] = toX | berolina;
9451 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9452 gameInfo.variant != VariantBerolina || toX > fromX)
9453 board[EP_STATUS] = toX;
9457 for(i=0; i<nrCastlingRights; i++) {
9458 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9459 board[CASTLING][i] == toX && castlingRank[i] == toY
9460 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9463 if(gameInfo.variant == VariantSChess) { // update virginity
9464 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9465 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9466 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9467 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9470 if (fromX == toX && fromY == toY) return;
9472 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9473 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9474 if(gameInfo.variant == VariantKnightmate)
9475 king += (int) WhiteUnicorn - (int) WhiteKing;
9477 /* Code added by Tord: */
9478 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9479 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9480 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9481 board[fromY][fromX] = EmptySquare;
9482 board[toY][toX] = EmptySquare;
9483 if((toX > fromX) != (piece == WhiteRook)) {
9484 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9486 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9488 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9489 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9490 board[fromY][fromX] = EmptySquare;
9491 board[toY][toX] = EmptySquare;
9492 if((toX > fromX) != (piece == BlackRook)) {
9493 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9495 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9497 /* End of code added by Tord */
9499 } else if (board[fromY][fromX] == king
9500 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9501 && toY == fromY && toX > fromX+1) {
9502 board[fromY][fromX] = EmptySquare;
9503 board[toY][toX] = king;
9504 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9505 board[fromY][BOARD_RGHT-1] = EmptySquare;
9506 } else if (board[fromY][fromX] == king
9507 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9508 && toY == fromY && toX < fromX-1) {
9509 board[fromY][fromX] = EmptySquare;
9510 board[toY][toX] = king;
9511 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9512 board[fromY][BOARD_LEFT] = EmptySquare;
9513 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9514 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9515 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9517 /* white pawn promotion */
9518 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9519 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9520 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9521 board[fromY][fromX] = EmptySquare;
9522 } else if ((fromY >= BOARD_HEIGHT>>1)
9523 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9525 && gameInfo.variant != VariantXiangqi
9526 && gameInfo.variant != VariantBerolina
9527 && (board[fromY][fromX] == WhitePawn)
9528 && (board[toY][toX] == EmptySquare)) {
9529 board[fromY][fromX] = EmptySquare;
9530 board[toY][toX] = WhitePawn;
9531 captured = board[toY - 1][toX];
9532 board[toY - 1][toX] = EmptySquare;
9533 } else if ((fromY == BOARD_HEIGHT-4)
9535 && gameInfo.variant == VariantBerolina
9536 && (board[fromY][fromX] == WhitePawn)
9537 && (board[toY][toX] == EmptySquare)) {
9538 board[fromY][fromX] = EmptySquare;
9539 board[toY][toX] = WhitePawn;
9540 if(oldEP & EP_BEROLIN_A) {
9541 captured = board[fromY][fromX-1];
9542 board[fromY][fromX-1] = EmptySquare;
9543 }else{ captured = board[fromY][fromX+1];
9544 board[fromY][fromX+1] = EmptySquare;
9546 } else if (board[fromY][fromX] == king
9547 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9548 && toY == fromY && toX > fromX+1) {
9549 board[fromY][fromX] = EmptySquare;
9550 board[toY][toX] = king;
9551 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9552 board[fromY][BOARD_RGHT-1] = EmptySquare;
9553 } else if (board[fromY][fromX] == king
9554 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9555 && toY == fromY && toX < fromX-1) {
9556 board[fromY][fromX] = EmptySquare;
9557 board[toY][toX] = king;
9558 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9559 board[fromY][BOARD_LEFT] = EmptySquare;
9560 } else if (fromY == 7 && fromX == 3
9561 && board[fromY][fromX] == BlackKing
9562 && toY == 7 && toX == 5) {
9563 board[fromY][fromX] = EmptySquare;
9564 board[toY][toX] = BlackKing;
9565 board[fromY][7] = EmptySquare;
9566 board[toY][4] = BlackRook;
9567 } else if (fromY == 7 && fromX == 3
9568 && board[fromY][fromX] == BlackKing
9569 && toY == 7 && toX == 1) {
9570 board[fromY][fromX] = EmptySquare;
9571 board[toY][toX] = BlackKing;
9572 board[fromY][0] = EmptySquare;
9573 board[toY][2] = BlackRook;
9574 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9575 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9576 && toY < promoRank && promoChar
9578 /* black pawn promotion */
9579 board[toY][toX] = CharToPiece(ToLower(promoChar));
9580 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9581 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9582 board[fromY][fromX] = EmptySquare;
9583 } else if ((fromY < BOARD_HEIGHT>>1)
9584 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9586 && gameInfo.variant != VariantXiangqi
9587 && gameInfo.variant != VariantBerolina
9588 && (board[fromY][fromX] == BlackPawn)
9589 && (board[toY][toX] == EmptySquare)) {
9590 board[fromY][fromX] = EmptySquare;
9591 board[toY][toX] = BlackPawn;
9592 captured = board[toY + 1][toX];
9593 board[toY + 1][toX] = EmptySquare;
9594 } else if ((fromY == 3)
9596 && gameInfo.variant == VariantBerolina
9597 && (board[fromY][fromX] == BlackPawn)
9598 && (board[toY][toX] == EmptySquare)) {
9599 board[fromY][fromX] = EmptySquare;
9600 board[toY][toX] = BlackPawn;
9601 if(oldEP & EP_BEROLIN_A) {
9602 captured = board[fromY][fromX-1];
9603 board[fromY][fromX-1] = EmptySquare;
9604 }else{ captured = board[fromY][fromX+1];
9605 board[fromY][fromX+1] = EmptySquare;
9608 board[toY][toX] = board[fromY][fromX];
9609 board[fromY][fromX] = EmptySquare;
9613 if (gameInfo.holdingsWidth != 0) {
9615 /* !!A lot more code needs to be written to support holdings */
9616 /* [HGM] OK, so I have written it. Holdings are stored in the */
9617 /* penultimate board files, so they are automaticlly stored */
9618 /* in the game history. */
9619 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9620 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9621 /* Delete from holdings, by decreasing count */
9622 /* and erasing image if necessary */
9623 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9624 if(p < (int) BlackPawn) { /* white drop */
9625 p -= (int)WhitePawn;
9626 p = PieceToNumber((ChessSquare)p);
9627 if(p >= gameInfo.holdingsSize) p = 0;
9628 if(--board[p][BOARD_WIDTH-2] <= 0)
9629 board[p][BOARD_WIDTH-1] = EmptySquare;
9630 if((int)board[p][BOARD_WIDTH-2] < 0)
9631 board[p][BOARD_WIDTH-2] = 0;
9632 } else { /* black drop */
9633 p -= (int)BlackPawn;
9634 p = PieceToNumber((ChessSquare)p);
9635 if(p >= gameInfo.holdingsSize) p = 0;
9636 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9637 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9638 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9639 board[BOARD_HEIGHT-1-p][1] = 0;
9642 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9643 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9644 /* [HGM] holdings: Add to holdings, if holdings exist */
9645 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9646 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9647 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9650 if (p >= (int) BlackPawn) {
9651 p -= (int)BlackPawn;
9652 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9653 /* in Shogi restore piece to its original first */
9654 captured = (ChessSquare) (DEMOTED captured);
9657 p = PieceToNumber((ChessSquare)p);
9658 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9659 board[p][BOARD_WIDTH-2]++;
9660 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9662 p -= (int)WhitePawn;
9663 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9664 captured = (ChessSquare) (DEMOTED captured);
9667 p = PieceToNumber((ChessSquare)p);
9668 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9669 board[BOARD_HEIGHT-1-p][1]++;
9670 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9673 } else if (gameInfo.variant == VariantAtomic) {
9674 if (captured != EmptySquare) {
9676 for (y = toY-1; y <= toY+1; y++) {
9677 for (x = toX-1; x <= toX+1; x++) {
9678 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9679 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9680 board[y][x] = EmptySquare;
9684 board[toY][toX] = EmptySquare;
9687 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9688 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9690 if(promoChar == '+') {
9691 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9692 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9693 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9694 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9695 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9696 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9697 board[toY][toX] = newPiece;
9699 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9700 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9701 // [HGM] superchess: take promotion piece out of holdings
9702 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9703 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9704 if(!--board[k][BOARD_WIDTH-2])
9705 board[k][BOARD_WIDTH-1] = EmptySquare;
9707 if(!--board[BOARD_HEIGHT-1-k][1])
9708 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9714 /* Updates forwardMostMove */
9716 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9718 // forwardMostMove++; // [HGM] bare: moved downstream
9720 (void) CoordsToAlgebraic(boards[forwardMostMove],
9721 PosFlags(forwardMostMove),
9722 fromY, fromX, toY, toX, promoChar,
9723 parseList[forwardMostMove]);
9725 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9726 int timeLeft; static int lastLoadFlag=0; int king, piece;
9727 piece = boards[forwardMostMove][fromY][fromX];
9728 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9729 if(gameInfo.variant == VariantKnightmate)
9730 king += (int) WhiteUnicorn - (int) WhiteKing;
9731 if(forwardMostMove == 0) {
9732 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9733 fprintf(serverMoves, "%s;", UserName());
9734 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9735 fprintf(serverMoves, "%s;", second.tidy);
9736 fprintf(serverMoves, "%s;", first.tidy);
9737 if(gameMode == MachinePlaysWhite)
9738 fprintf(serverMoves, "%s;", UserName());
9739 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9740 fprintf(serverMoves, "%s;", second.tidy);
9741 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9742 lastLoadFlag = loadFlag;
9744 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9745 // print castling suffix
9746 if( toY == fromY && piece == king ) {
9748 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9750 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9753 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9754 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9755 boards[forwardMostMove][toY][toX] == EmptySquare
9756 && fromX != toX && fromY != toY)
9757 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9759 if(promoChar != NULLCHAR) {
9760 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9761 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9762 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9763 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9766 char buf[MOVE_LEN*2], *p; int len;
9767 fprintf(serverMoves, "/%d/%d",
9768 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9769 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9770 else timeLeft = blackTimeRemaining/1000;
9771 fprintf(serverMoves, "/%d", timeLeft);
9772 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9773 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9774 if(p = strchr(buf, '=')) *p = NULLCHAR;
9775 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9776 fprintf(serverMoves, "/%s", buf);
9778 fflush(serverMoves);
9781 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9782 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9785 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9786 if (commentList[forwardMostMove+1] != NULL) {
9787 free(commentList[forwardMostMove+1]);
9788 commentList[forwardMostMove+1] = NULL;
9790 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9791 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9792 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9793 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9794 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9795 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9796 adjustedClock = FALSE;
9797 gameInfo.result = GameUnfinished;
9798 if (gameInfo.resultDetails != NULL) {
9799 free(gameInfo.resultDetails);
9800 gameInfo.resultDetails = NULL;
9802 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9803 moveList[forwardMostMove - 1]);
9804 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9810 if(gameInfo.variant != VariantShogi)
9811 strcat(parseList[forwardMostMove - 1], "+");
9815 strcat(parseList[forwardMostMove - 1], "#");
9821 /* Updates currentMove if not pausing */
9823 ShowMove (int fromX, int fromY, int toX, int toY)
9825 int instant = (gameMode == PlayFromGameFile) ?
9826 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9827 if(appData.noGUI) return;
9828 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9830 if (forwardMostMove == currentMove + 1) {
9831 AnimateMove(boards[forwardMostMove - 1],
9832 fromX, fromY, toX, toY);
9835 currentMove = forwardMostMove;
9838 if (instant) return;
9840 DisplayMove(currentMove - 1);
9841 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9842 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9843 SetHighlights(fromX, fromY, toX, toY);
9846 DrawPosition(FALSE, boards[currentMove]);
9847 DisplayBothClocks();
9848 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9852 SendEgtPath (ChessProgramState *cps)
9853 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9854 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9856 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9859 char c, *q = name+1, *r, *s;
9861 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9862 while(*p && *p != ',') *q++ = *p++;
9864 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9865 strcmp(name, ",nalimov:") == 0 ) {
9866 // take nalimov path from the menu-changeable option first, if it is defined
9867 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9868 SendToProgram(buf,cps); // send egtbpath command for nalimov
9870 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9871 (s = StrStr(appData.egtFormats, name)) != NULL) {
9872 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9873 s = r = StrStr(s, ":") + 1; // beginning of path info
9874 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9875 c = *r; *r = 0; // temporarily null-terminate path info
9876 *--q = 0; // strip of trailig ':' from name
9877 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9879 SendToProgram(buf,cps); // send egtbpath command for this format
9881 if(*p == ',') p++; // read away comma to position for next format name
9886 NonStandardBoardSize ()
9888 /* [HGM] Awkward testing. Should really be a table */
9889 int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9890 if( gameInfo.variant == VariantXiangqi )
9891 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9892 if( gameInfo.variant == VariantShogi )
9893 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9894 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9895 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9896 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9897 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9898 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9899 if( gameInfo.variant == VariantCourier )
9900 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9901 if( gameInfo.variant == VariantSuper )
9902 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9903 if( gameInfo.variant == VariantGreat )
9904 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9905 if( gameInfo.variant == VariantSChess )
9906 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9907 if( gameInfo.variant == VariantGrand )
9908 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9913 InitChessProgram (ChessProgramState *cps, int setup)
9914 /* setup needed to setup FRC opening position */
9916 char buf[MSG_SIZ], b[MSG_SIZ];
9917 if (appData.noChessProgram) return;
9918 hintRequested = FALSE;
9919 bookRequested = FALSE;
9921 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9922 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9923 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9924 if(cps->memSize) { /* [HGM] memory */
9925 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9926 SendToProgram(buf, cps);
9928 SendEgtPath(cps); /* [HGM] EGT */
9929 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9930 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9931 SendToProgram(buf, cps);
9934 SendToProgram(cps->initString, cps);
9935 if (gameInfo.variant != VariantNormal &&
9936 gameInfo.variant != VariantLoadable
9937 /* [HGM] also send variant if board size non-standard */
9938 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9940 char *v = VariantName(gameInfo.variant);
9941 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9942 /* [HGM] in protocol 1 we have to assume all variants valid */
9943 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9944 DisplayFatalError(buf, 0, 1);
9948 if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
9949 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9950 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9951 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9952 if(StrStr(cps->variants, b) == NULL) {
9953 // specific sized variant not known, check if general sizing allowed
9954 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9955 if(StrStr(cps->variants, "boardsize") == NULL) {
9956 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9957 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9958 DisplayFatalError(buf, 0, 1);
9961 /* [HGM] here we really should compare with the maximum supported board size */
9964 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9965 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9966 SendToProgram(buf, cps);
9968 currentlyInitializedVariant = gameInfo.variant;
9970 /* [HGM] send opening position in FRC to first engine */
9972 SendToProgram("force\n", cps);
9974 /* engine is now in force mode! Set flag to wake it up after first move. */
9975 setboardSpoiledMachineBlack = 1;
9979 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9980 SendToProgram(buf, cps);
9982 cps->maybeThinking = FALSE;
9983 cps->offeredDraw = 0;
9984 if (!appData.icsActive) {
9985 SendTimeControl(cps, movesPerSession, timeControl,
9986 timeIncrement, appData.searchDepth,
9989 if (appData.showThinking
9990 // [HGM] thinking: four options require thinking output to be sent
9991 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9993 SendToProgram("post\n", cps);
9995 SendToProgram("hard\n", cps);
9996 if (!appData.ponderNextMove) {
9997 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9998 it without being sure what state we are in first. "hard"
9999 is not a toggle, so that one is OK.
10001 SendToProgram("easy\n", cps);
10003 if (cps->usePing) {
10004 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
10005 SendToProgram(buf, cps);
10007 cps->initDone = TRUE;
10008 ClearEngineOutputPane(cps == &second);
10013 ResendOptions (ChessProgramState *cps)
10014 { // send the stored value of the options
10017 Option *opt = cps->option;
10018 for(i=0; i<cps->nrOptions; i++, opt++) {
10019 switch(opt->type) {
10023 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10026 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10029 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10035 SendToProgram(buf, cps);
10040 StartChessProgram (ChessProgramState *cps)
10045 if (appData.noChessProgram) return;
10046 cps->initDone = FALSE;
10048 if (strcmp(cps->host, "localhost") == 0) {
10049 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10050 } else if (*appData.remoteShell == NULLCHAR) {
10051 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10053 if (*appData.remoteUser == NULLCHAR) {
10054 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10057 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10058 cps->host, appData.remoteUser, cps->program);
10060 err = StartChildProcess(buf, "", &cps->pr);
10064 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10065 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10066 if(cps != &first) return;
10067 appData.noChessProgram = TRUE;
10070 // DisplayFatalError(buf, err, 1);
10071 // cps->pr = NoProc;
10072 // cps->isr = NULL;
10076 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10077 if (cps->protocolVersion > 1) {
10078 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10079 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10080 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10081 cps->comboCnt = 0; // and values of combo boxes
10083 SendToProgram(buf, cps);
10084 if(cps->reload) ResendOptions(cps);
10086 SendToProgram("xboard\n", cps);
10091 TwoMachinesEventIfReady P((void))
10093 static int curMess = 0;
10094 if (first.lastPing != first.lastPong) {
10095 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10096 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10099 if (second.lastPing != second.lastPong) {
10100 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10101 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10104 DisplayMessage("", ""); curMess = 0;
10105 TwoMachinesEvent();
10109 MakeName (char *template)
10113 static char buf[MSG_SIZ];
10117 clock = time((time_t *)NULL);
10118 tm = localtime(&clock);
10120 while(*p++ = *template++) if(p[-1] == '%') {
10121 switch(*template++) {
10122 case 0: *p = 0; return buf;
10123 case 'Y': i = tm->tm_year+1900; break;
10124 case 'y': i = tm->tm_year-100; break;
10125 case 'M': i = tm->tm_mon+1; break;
10126 case 'd': i = tm->tm_mday; break;
10127 case 'h': i = tm->tm_hour; break;
10128 case 'm': i = tm->tm_min; break;
10129 case 's': i = tm->tm_sec; break;
10132 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10138 CountPlayers (char *p)
10141 while(p = strchr(p, '\n')) p++, n++; // count participants
10146 WriteTourneyFile (char *results, FILE *f)
10147 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10148 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10149 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10150 // create a file with tournament description
10151 fprintf(f, "-participants {%s}\n", appData.participants);
10152 fprintf(f, "-seedBase %d\n", appData.seedBase);
10153 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10154 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10155 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10156 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10157 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10158 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10159 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10160 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10161 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10162 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10163 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10164 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10165 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10166 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10167 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10168 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10169 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10170 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10171 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10172 fprintf(f, "-smpCores %d\n", appData.smpCores);
10174 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10176 fprintf(f, "-mps %d\n", appData.movesPerSession);
10177 fprintf(f, "-tc %s\n", appData.timeControl);
10178 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10180 fprintf(f, "-results \"%s\"\n", results);
10185 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10188 Substitute (char *participants, int expunge)
10190 int i, changed, changes=0, nPlayers=0;
10191 char *p, *q, *r, buf[MSG_SIZ];
10192 if(participants == NULL) return;
10193 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10194 r = p = participants; q = appData.participants;
10195 while(*p && *p == *q) {
10196 if(*p == '\n') r = p+1, nPlayers++;
10199 if(*p) { // difference
10200 while(*p && *p++ != '\n');
10201 while(*q && *q++ != '\n');
10202 changed = nPlayers;
10203 changes = 1 + (strcmp(p, q) != 0);
10205 if(changes == 1) { // a single engine mnemonic was changed
10206 q = r; while(*q) nPlayers += (*q++ == '\n');
10207 p = buf; while(*r && (*p = *r++) != '\n') p++;
10209 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10210 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10211 if(mnemonic[i]) { // The substitute is valid
10213 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10214 flock(fileno(f), LOCK_EX);
10215 ParseArgsFromFile(f);
10216 fseek(f, 0, SEEK_SET);
10217 FREE(appData.participants); appData.participants = participants;
10218 if(expunge) { // erase results of replaced engine
10219 int len = strlen(appData.results), w, b, dummy;
10220 for(i=0; i<len; i++) {
10221 Pairing(i, nPlayers, &w, &b, &dummy);
10222 if((w == changed || b == changed) && appData.results[i] == '*') {
10223 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10228 for(i=0; i<len; i++) {
10229 Pairing(i, nPlayers, &w, &b, &dummy);
10230 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10233 WriteTourneyFile(appData.results, f);
10234 fclose(f); // release lock
10237 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10239 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10240 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10241 free(participants);
10246 CheckPlayers (char *participants)
10249 char buf[MSG_SIZ], *p;
10250 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10251 while(p = strchr(participants, '\n')) {
10253 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10255 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10257 DisplayError(buf, 0);
10261 participants = p + 1;
10267 CreateTourney (char *name)
10270 if(matchMode && strcmp(name, appData.tourneyFile)) {
10271 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10273 if(name[0] == NULLCHAR) {
10274 if(appData.participants[0])
10275 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10278 f = fopen(name, "r");
10279 if(f) { // file exists
10280 ASSIGN(appData.tourneyFile, name);
10281 ParseArgsFromFile(f); // parse it
10283 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10284 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10285 DisplayError(_("Not enough participants"), 0);
10288 if(CheckPlayers(appData.participants)) return 0;
10289 ASSIGN(appData.tourneyFile, name);
10290 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10291 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10294 appData.noChessProgram = FALSE;
10295 appData.clockMode = TRUE;
10301 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10303 char buf[MSG_SIZ], *p, *q;
10304 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10305 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10306 skip = !all && group[0]; // if group requested, we start in skip mode
10307 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10308 p = names; q = buf; header = 0;
10309 while(*p && *p != '\n') *q++ = *p++;
10311 if(*p == '\n') p++;
10312 if(buf[0] == '#') {
10313 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10314 depth++; // we must be entering a new group
10315 if(all) continue; // suppress printing group headers when complete list requested
10317 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10319 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10320 if(engineList[i]) free(engineList[i]);
10321 engineList[i] = strdup(buf);
10322 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10323 if(engineMnemonic[i]) free(engineMnemonic[i]);
10324 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10326 sscanf(q + 8, "%s", buf + strlen(buf));
10329 engineMnemonic[i] = strdup(buf);
10332 engineList[i] = engineMnemonic[i] = NULL;
10336 // following implemented as macro to avoid type limitations
10337 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10340 SwapEngines (int n)
10341 { // swap settings for first engine and other engine (so far only some selected options)
10346 SWAP(chessProgram, p)
10348 SWAP(hasOwnBookUCI, h)
10349 SWAP(protocolVersion, h)
10351 SWAP(scoreIsAbsolute, h)
10356 SWAP(engOptions, p)
10357 SWAP(engInitString, p)
10358 SWAP(computerString, p)
10360 SWAP(fenOverride, p)
10362 SWAP(accumulateTC, h)
10367 GetEngineLine (char *s, int n)
10371 extern char *icsNames;
10372 if(!s || !*s) return 0;
10373 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10374 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10375 if(!mnemonic[i]) return 0;
10376 if(n == 11) return 1; // just testing if there was a match
10377 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10378 if(n == 1) SwapEngines(n);
10379 ParseArgsFromString(buf);
10380 if(n == 1) SwapEngines(n);
10381 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10382 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10383 ParseArgsFromString(buf);
10389 SetPlayer (int player, char *p)
10390 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10392 char buf[MSG_SIZ], *engineName;
10393 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10394 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10395 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10397 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10398 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10399 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10400 ParseArgsFromString(buf);
10401 } else { // no engine with this nickname is installed!
10402 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10403 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10404 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10406 DisplayError(buf, 0);
10413 char *recentEngines;
10416 RecentEngineEvent (int nr)
10419 // SwapEngines(1); // bump first to second
10420 // ReplaceEngine(&second, 1); // and load it there
10421 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10422 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10423 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10424 ReplaceEngine(&first, 0);
10425 FloatToFront(&appData.recentEngineList, command[n]);
10430 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10431 { // determine players from game number
10432 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10434 if(appData.tourneyType == 0) {
10435 roundsPerCycle = (nPlayers - 1) | 1;
10436 pairingsPerRound = nPlayers / 2;
10437 } else if(appData.tourneyType > 0) {
10438 roundsPerCycle = nPlayers - appData.tourneyType;
10439 pairingsPerRound = appData.tourneyType;
10441 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10442 gamesPerCycle = gamesPerRound * roundsPerCycle;
10443 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10444 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10445 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10446 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10447 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10448 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10450 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10451 if(appData.roundSync) *syncInterval = gamesPerRound;
10453 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10455 if(appData.tourneyType == 0) {
10456 if(curPairing == (nPlayers-1)/2 ) {
10457 *whitePlayer = curRound;
10458 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10460 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10461 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10462 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10463 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10465 } else if(appData.tourneyType > 1) {
10466 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10467 *whitePlayer = curRound + appData.tourneyType;
10468 } else if(appData.tourneyType > 0) {
10469 *whitePlayer = curPairing;
10470 *blackPlayer = curRound + appData.tourneyType;
10473 // take care of white/black alternation per round.
10474 // For cycles and games this is already taken care of by default, derived from matchGame!
10475 return curRound & 1;
10479 NextTourneyGame (int nr, int *swapColors)
10480 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10482 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10484 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10485 tf = fopen(appData.tourneyFile, "r");
10486 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10487 ParseArgsFromFile(tf); fclose(tf);
10488 InitTimeControls(); // TC might be altered from tourney file
10490 nPlayers = CountPlayers(appData.participants); // count participants
10491 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10492 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10495 p = q = appData.results;
10496 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10497 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10498 DisplayMessage(_("Waiting for other game(s)"),"");
10499 waitingForGame = TRUE;
10500 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10503 waitingForGame = FALSE;
10506 if(appData.tourneyType < 0) {
10507 if(nr>=0 && !pairingReceived) {
10509 if(pairing.pr == NoProc) {
10510 if(!appData.pairingEngine[0]) {
10511 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10514 StartChessProgram(&pairing); // starts the pairing engine
10516 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10517 SendToProgram(buf, &pairing);
10518 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10519 SendToProgram(buf, &pairing);
10520 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10522 pairingReceived = 0; // ... so we continue here
10524 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10525 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10526 matchGame = 1; roundNr = nr / syncInterval + 1;
10529 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10531 // redefine engines, engine dir, etc.
10532 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10533 if(first.pr == NoProc) {
10534 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10535 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10537 if(second.pr == NoProc) {
10539 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10540 SwapEngines(1); // and make that valid for second engine by swapping
10541 InitEngine(&second, 1);
10543 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10544 UpdateLogos(FALSE); // leave display to ModeHiglight()
10550 { // performs game initialization that does not invoke engines, and then tries to start the game
10551 int res, firstWhite, swapColors = 0;
10552 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10553 if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
10555 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10556 if(strcmp(buf, currentDebugFile)) { // name has changed
10557 FILE *f = fopen(buf, "w");
10558 if(f) { // if opening the new file failed, just keep using the old one
10559 ASSIGN(currentDebugFile, buf);
10563 if(appData.serverFileName) {
10564 if(serverFP) fclose(serverFP);
10565 serverFP = fopen(appData.serverFileName, "w");
10566 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10567 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10571 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10572 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10573 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10574 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10575 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10576 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10577 Reset(FALSE, first.pr != NoProc);
10578 res = LoadGameOrPosition(matchGame); // setup game
10579 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10580 if(!res) return; // abort when bad game/pos file
10581 TwoMachinesEvent();
10585 UserAdjudicationEvent (int result)
10587 ChessMove gameResult = GameIsDrawn;
10590 gameResult = WhiteWins;
10592 else if( result < 0 ) {
10593 gameResult = BlackWins;
10596 if( gameMode == TwoMachinesPlay ) {
10597 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10602 // [HGM] save: calculate checksum of game to make games easily identifiable
10604 StringCheckSum (char *s)
10607 if(s==NULL) return 0;
10608 while(*s) i = i*259 + *s++;
10616 for(i=backwardMostMove; i<forwardMostMove; i++) {
10617 sum += pvInfoList[i].depth;
10618 sum += StringCheckSum(parseList[i]);
10619 sum += StringCheckSum(commentList[i]);
10622 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10623 return sum + StringCheckSum(commentList[i]);
10624 } // end of save patch
10627 GameEnds (ChessMove result, char *resultDetails, int whosays)
10629 GameMode nextGameMode;
10631 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10633 if(endingGame) return; /* [HGM] crash: forbid recursion */
10635 if(twoBoards) { // [HGM] dual: switch back to one board
10636 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10637 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10639 if (appData.debugMode) {
10640 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10641 result, resultDetails ? resultDetails : "(null)", whosays);
10644 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10646 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10648 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10649 /* If we are playing on ICS, the server decides when the
10650 game is over, but the engine can offer to draw, claim
10654 if (appData.zippyPlay && first.initDone) {
10655 if (result == GameIsDrawn) {
10656 /* In case draw still needs to be claimed */
10657 SendToICS(ics_prefix);
10658 SendToICS("draw\n");
10659 } else if (StrCaseStr(resultDetails, "resign")) {
10660 SendToICS(ics_prefix);
10661 SendToICS("resign\n");
10665 endingGame = 0; /* [HGM] crash */
10669 /* If we're loading the game from a file, stop */
10670 if (whosays == GE_FILE) {
10671 (void) StopLoadGameTimer();
10675 /* Cancel draw offers */
10676 first.offeredDraw = second.offeredDraw = 0;
10678 /* If this is an ICS game, only ICS can really say it's done;
10679 if not, anyone can. */
10680 isIcsGame = (gameMode == IcsPlayingWhite ||
10681 gameMode == IcsPlayingBlack ||
10682 gameMode == IcsObserving ||
10683 gameMode == IcsExamining);
10685 if (!isIcsGame || whosays == GE_ICS) {
10686 /* OK -- not an ICS game, or ICS said it was done */
10688 if (!isIcsGame && !appData.noChessProgram)
10689 SetUserThinkingEnables();
10691 /* [HGM] if a machine claims the game end we verify this claim */
10692 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10693 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10695 ChessMove trueResult = (ChessMove) -1;
10697 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10698 first.twoMachinesColor[0] :
10699 second.twoMachinesColor[0] ;
10701 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10702 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10703 /* [HGM] verify: engine mate claims accepted if they were flagged */
10704 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10706 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10707 /* [HGM] verify: engine mate claims accepted if they were flagged */
10708 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10710 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10711 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10714 // now verify win claims, but not in drop games, as we don't understand those yet
10715 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10716 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10717 (result == WhiteWins && claimer == 'w' ||
10718 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10719 if (appData.debugMode) {
10720 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10721 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10723 if(result != trueResult) {
10724 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10725 result = claimer == 'w' ? BlackWins : WhiteWins;
10726 resultDetails = buf;
10729 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10730 && (forwardMostMove <= backwardMostMove ||
10731 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10732 (claimer=='b')==(forwardMostMove&1))
10734 /* [HGM] verify: draws that were not flagged are false claims */
10735 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10736 result = claimer == 'w' ? BlackWins : WhiteWins;
10737 resultDetails = buf;
10739 /* (Claiming a loss is accepted no questions asked!) */
10740 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10741 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10742 result = GameUnfinished;
10743 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10745 /* [HGM] bare: don't allow bare King to win */
10746 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10747 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10748 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10749 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10750 && result != GameIsDrawn)
10751 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10752 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10753 int p = (signed char)boards[forwardMostMove][i][j] - color;
10754 if(p >= 0 && p <= (int)WhiteKing) k++;
10756 if (appData.debugMode) {
10757 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10758 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10761 result = GameIsDrawn;
10762 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10763 resultDetails = buf;
10769 if(serverMoves != NULL && !loadFlag) { char c = '=';
10770 if(result==WhiteWins) c = '+';
10771 if(result==BlackWins) c = '-';
10772 if(resultDetails != NULL)
10773 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10775 if (resultDetails != NULL) {
10776 gameInfo.result = result;
10777 gameInfo.resultDetails = StrSave(resultDetails);
10779 /* display last move only if game was not loaded from file */
10780 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10781 DisplayMove(currentMove - 1);
10783 if (forwardMostMove != 0) {
10784 if (gameMode != PlayFromGameFile && gameMode != EditGame
10785 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10787 if (*appData.saveGameFile != NULLCHAR) {
10788 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10789 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10791 SaveGameToFile(appData.saveGameFile, TRUE);
10792 } else if (appData.autoSaveGames) {
10793 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
10795 if (*appData.savePositionFile != NULLCHAR) {
10796 SavePositionToFile(appData.savePositionFile);
10798 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10802 /* Tell program how game ended in case it is learning */
10803 /* [HGM] Moved this to after saving the PGN, just in case */
10804 /* engine died and we got here through time loss. In that */
10805 /* case we will get a fatal error writing the pipe, which */
10806 /* would otherwise lose us the PGN. */
10807 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10808 /* output during GameEnds should never be fatal anymore */
10809 if (gameMode == MachinePlaysWhite ||
10810 gameMode == MachinePlaysBlack ||
10811 gameMode == TwoMachinesPlay ||
10812 gameMode == IcsPlayingWhite ||
10813 gameMode == IcsPlayingBlack ||
10814 gameMode == BeginningOfGame) {
10816 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10818 if (first.pr != NoProc) {
10819 SendToProgram(buf, &first);
10821 if (second.pr != NoProc &&
10822 gameMode == TwoMachinesPlay) {
10823 SendToProgram(buf, &second);
10828 if (appData.icsActive) {
10829 if (appData.quietPlay &&
10830 (gameMode == IcsPlayingWhite ||
10831 gameMode == IcsPlayingBlack)) {
10832 SendToICS(ics_prefix);
10833 SendToICS("set shout 1\n");
10835 nextGameMode = IcsIdle;
10836 ics_user_moved = FALSE;
10837 /* clean up premove. It's ugly when the game has ended and the
10838 * premove highlights are still on the board.
10841 gotPremove = FALSE;
10842 ClearPremoveHighlights();
10843 DrawPosition(FALSE, boards[currentMove]);
10845 if (whosays == GE_ICS) {
10848 if (gameMode == IcsPlayingWhite)
10850 else if(gameMode == IcsPlayingBlack)
10851 PlayIcsLossSound();
10854 if (gameMode == IcsPlayingBlack)
10856 else if(gameMode == IcsPlayingWhite)
10857 PlayIcsLossSound();
10860 PlayIcsDrawSound();
10863 PlayIcsUnfinishedSound();
10866 if(appData.quitNext) { ExitEvent(0); return; }
10867 } else if (gameMode == EditGame ||
10868 gameMode == PlayFromGameFile ||
10869 gameMode == AnalyzeMode ||
10870 gameMode == AnalyzeFile) {
10871 nextGameMode = gameMode;
10873 nextGameMode = EndOfGame;
10878 nextGameMode = gameMode;
10881 if (appData.noChessProgram) {
10882 gameMode = nextGameMode;
10884 endingGame = 0; /* [HGM] crash */
10889 /* Put first chess program into idle state */
10890 if (first.pr != NoProc &&
10891 (gameMode == MachinePlaysWhite ||
10892 gameMode == MachinePlaysBlack ||
10893 gameMode == TwoMachinesPlay ||
10894 gameMode == IcsPlayingWhite ||
10895 gameMode == IcsPlayingBlack ||
10896 gameMode == BeginningOfGame)) {
10897 SendToProgram("force\n", &first);
10898 if (first.usePing) {
10900 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10901 SendToProgram(buf, &first);
10904 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10905 /* Kill off first chess program */
10906 if (first.isr != NULL)
10907 RemoveInputSource(first.isr);
10910 if (first.pr != NoProc) {
10912 DoSleep( appData.delayBeforeQuit );
10913 SendToProgram("quit\n", &first);
10914 DoSleep( appData.delayAfterQuit );
10915 DestroyChildProcess(first.pr, first.useSigterm);
10916 first.reload = TRUE;
10920 if (second.reuse) {
10921 /* Put second chess program into idle state */
10922 if (second.pr != NoProc &&
10923 gameMode == TwoMachinesPlay) {
10924 SendToProgram("force\n", &second);
10925 if (second.usePing) {
10927 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10928 SendToProgram(buf, &second);
10931 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10932 /* Kill off second chess program */
10933 if (second.isr != NULL)
10934 RemoveInputSource(second.isr);
10937 if (second.pr != NoProc) {
10938 DoSleep( appData.delayBeforeQuit );
10939 SendToProgram("quit\n", &second);
10940 DoSleep( appData.delayAfterQuit );
10941 DestroyChildProcess(second.pr, second.useSigterm);
10942 second.reload = TRUE;
10944 second.pr = NoProc;
10947 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
10948 char resChar = '=';
10952 if (first.twoMachinesColor[0] == 'w') {
10955 second.matchWins++;
10960 if (first.twoMachinesColor[0] == 'b') {
10963 second.matchWins++;
10966 case GameUnfinished:
10972 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10973 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10974 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10975 ReserveGame(nextGame, resChar); // sets nextGame
10976 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10977 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10978 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10980 if (nextGame <= appData.matchGames && !abortMatch) {
10981 gameMode = nextGameMode;
10982 matchGame = nextGame; // this will be overruled in tourney mode!
10983 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10984 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10985 endingGame = 0; /* [HGM] crash */
10988 gameMode = nextGameMode;
10989 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10990 first.tidy, second.tidy,
10991 first.matchWins, second.matchWins,
10992 appData.matchGames - (first.matchWins + second.matchWins));
10993 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10994 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10995 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10996 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10997 first.twoMachinesColor = "black\n";
10998 second.twoMachinesColor = "white\n";
11000 first.twoMachinesColor = "white\n";
11001 second.twoMachinesColor = "black\n";
11005 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11006 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11008 gameMode = nextGameMode;
11010 endingGame = 0; /* [HGM] crash */
11011 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11012 if(matchMode == TRUE) { // match through command line: exit with or without popup
11014 ToNrEvent(forwardMostMove);
11015 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11017 } else DisplayFatalError(buf, 0, 0);
11018 } else { // match through menu; just stop, with or without popup
11019 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11022 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11023 } else DisplayNote(buf);
11025 if(ranking) free(ranking);
11029 /* Assumes program was just initialized (initString sent).
11030 Leaves program in force mode. */
11032 FeedMovesToProgram (ChessProgramState *cps, int upto)
11036 if (appData.debugMode)
11037 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11038 startedFromSetupPosition ? "position and " : "",
11039 backwardMostMove, upto, cps->which);
11040 if(currentlyInitializedVariant != gameInfo.variant) {
11042 // [HGM] variantswitch: make engine aware of new variant
11043 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11044 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11045 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11046 SendToProgram(buf, cps);
11047 currentlyInitializedVariant = gameInfo.variant;
11049 SendToProgram("force\n", cps);
11050 if (startedFromSetupPosition) {
11051 SendBoard(cps, backwardMostMove);
11052 if (appData.debugMode) {
11053 fprintf(debugFP, "feedMoves\n");
11056 for (i = backwardMostMove; i < upto; i++) {
11057 SendMoveToProgram(i, cps);
11063 ResurrectChessProgram ()
11065 /* The chess program may have exited.
11066 If so, restart it and feed it all the moves made so far. */
11067 static int doInit = 0;
11069 if (appData.noChessProgram) return 1;
11071 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11072 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11073 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11074 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11076 if (first.pr != NoProc) return 1;
11077 StartChessProgram(&first);
11079 InitChessProgram(&first, FALSE);
11080 FeedMovesToProgram(&first, currentMove);
11082 if (!first.sendTime) {
11083 /* can't tell gnuchess what its clock should read,
11084 so we bow to its notion. */
11086 timeRemaining[0][currentMove] = whiteTimeRemaining;
11087 timeRemaining[1][currentMove] = blackTimeRemaining;
11090 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11091 appData.icsEngineAnalyze) && first.analysisSupport) {
11092 SendToProgram("analyze\n", &first);
11093 first.analyzing = TRUE;
11099 * Button procedures
11102 Reset (int redraw, int init)
11106 if (appData.debugMode) {
11107 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11108 redraw, init, gameMode);
11110 CleanupTail(); // [HGM] vari: delete any stored variations
11111 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11112 pausing = pauseExamInvalid = FALSE;
11113 startedFromSetupPosition = blackPlaysFirst = FALSE;
11115 whiteFlag = blackFlag = FALSE;
11116 userOfferedDraw = FALSE;
11117 hintRequested = bookRequested = FALSE;
11118 first.maybeThinking = FALSE;
11119 second.maybeThinking = FALSE;
11120 first.bookSuspend = FALSE; // [HGM] book
11121 second.bookSuspend = FALSE;
11122 thinkOutput[0] = NULLCHAR;
11123 lastHint[0] = NULLCHAR;
11124 ClearGameInfo(&gameInfo);
11125 gameInfo.variant = StringToVariant(appData.variant);
11126 ics_user_moved = ics_clock_paused = FALSE;
11127 ics_getting_history = H_FALSE;
11129 white_holding[0] = black_holding[0] = NULLCHAR;
11130 ClearProgramStats();
11131 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11135 flipView = appData.flipView;
11136 ClearPremoveHighlights();
11137 gotPremove = FALSE;
11138 alarmSounded = FALSE;
11140 GameEnds(EndOfFile, NULL, GE_PLAYER);
11141 if(appData.serverMovesName != NULL) {
11142 /* [HGM] prepare to make moves file for broadcasting */
11143 clock_t t = clock();
11144 if(serverMoves != NULL) fclose(serverMoves);
11145 serverMoves = fopen(appData.serverMovesName, "r");
11146 if(serverMoves != NULL) {
11147 fclose(serverMoves);
11148 /* delay 15 sec before overwriting, so all clients can see end */
11149 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11151 serverMoves = fopen(appData.serverMovesName, "w");
11155 gameMode = BeginningOfGame;
11157 if(appData.icsActive) gameInfo.variant = VariantNormal;
11158 currentMove = forwardMostMove = backwardMostMove = 0;
11159 MarkTargetSquares(1);
11160 InitPosition(redraw);
11161 for (i = 0; i < MAX_MOVES; i++) {
11162 if (commentList[i] != NULL) {
11163 free(commentList[i]);
11164 commentList[i] = NULL;
11168 timeRemaining[0][0] = whiteTimeRemaining;
11169 timeRemaining[1][0] = blackTimeRemaining;
11171 if (first.pr == NoProc) {
11172 StartChessProgram(&first);
11175 InitChessProgram(&first, startedFromSetupPosition);
11178 DisplayMessage("", "");
11179 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11180 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11181 ClearMap(); // [HGM] exclude: invalidate map
11185 AutoPlayGameLoop ()
11188 if (!AutoPlayOneMove())
11190 if (matchMode || appData.timeDelay == 0)
11192 if (appData.timeDelay < 0)
11194 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11202 ReloadGame(1); // next game
11208 int fromX, fromY, toX, toY;
11210 if (appData.debugMode) {
11211 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11214 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11217 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11218 pvInfoList[currentMove].depth = programStats.depth;
11219 pvInfoList[currentMove].score = programStats.score;
11220 pvInfoList[currentMove].time = 0;
11221 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11222 else { // append analysis of final position as comment
11224 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11225 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11227 programStats.depth = 0;
11230 if (currentMove >= forwardMostMove) {
11231 if(gameMode == AnalyzeFile) {
11232 if(appData.loadGameIndex == -1) {
11233 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11234 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11236 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11239 // gameMode = EndOfGame;
11240 // ModeHighlight();
11242 /* [AS] Clear current move marker at the end of a game */
11243 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11248 toX = moveList[currentMove][2] - AAA;
11249 toY = moveList[currentMove][3] - ONE;
11251 if (moveList[currentMove][1] == '@') {
11252 if (appData.highlightLastMove) {
11253 SetHighlights(-1, -1, toX, toY);
11256 fromX = moveList[currentMove][0] - AAA;
11257 fromY = moveList[currentMove][1] - ONE;
11259 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11261 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11263 if (appData.highlightLastMove) {
11264 SetHighlights(fromX, fromY, toX, toY);
11267 DisplayMove(currentMove);
11268 SendMoveToProgram(currentMove++, &first);
11269 DisplayBothClocks();
11270 DrawPosition(FALSE, boards[currentMove]);
11271 // [HGM] PV info: always display, routine tests if empty
11272 DisplayComment(currentMove - 1, commentList[currentMove]);
11278 LoadGameOneMove (ChessMove readAhead)
11280 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11281 char promoChar = NULLCHAR;
11282 ChessMove moveType;
11283 char move[MSG_SIZ];
11286 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11287 gameMode != AnalyzeMode && gameMode != Training) {
11292 yyboardindex = forwardMostMove;
11293 if (readAhead != EndOfFile) {
11294 moveType = readAhead;
11296 if (gameFileFP == NULL)
11298 moveType = (ChessMove) Myylex();
11302 switch (moveType) {
11304 if (appData.debugMode)
11305 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11308 /* append the comment but don't display it */
11309 AppendComment(currentMove, p, FALSE);
11312 case WhiteCapturesEnPassant:
11313 case BlackCapturesEnPassant:
11314 case WhitePromotion:
11315 case BlackPromotion:
11316 case WhiteNonPromotion:
11317 case BlackNonPromotion:
11319 case WhiteKingSideCastle:
11320 case WhiteQueenSideCastle:
11321 case BlackKingSideCastle:
11322 case BlackQueenSideCastle:
11323 case WhiteKingSideCastleWild:
11324 case WhiteQueenSideCastleWild:
11325 case BlackKingSideCastleWild:
11326 case BlackQueenSideCastleWild:
11328 case WhiteHSideCastleFR:
11329 case WhiteASideCastleFR:
11330 case BlackHSideCastleFR:
11331 case BlackASideCastleFR:
11333 if (appData.debugMode)
11334 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11335 fromX = currentMoveString[0] - AAA;
11336 fromY = currentMoveString[1] - ONE;
11337 toX = currentMoveString[2] - AAA;
11338 toY = currentMoveString[3] - ONE;
11339 promoChar = currentMoveString[4];
11344 if (appData.debugMode)
11345 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11346 fromX = moveType == WhiteDrop ?
11347 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11348 (int) CharToPiece(ToLower(currentMoveString[0]));
11350 toX = currentMoveString[2] - AAA;
11351 toY = currentMoveString[3] - ONE;
11357 case GameUnfinished:
11358 if (appData.debugMode)
11359 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11360 p = strchr(yy_text, '{');
11361 if (p == NULL) p = strchr(yy_text, '(');
11364 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11366 q = strchr(p, *p == '{' ? '}' : ')');
11367 if (q != NULL) *q = NULLCHAR;
11370 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11371 GameEnds(moveType, p, GE_FILE);
11373 if (cmailMsgLoaded) {
11375 flipView = WhiteOnMove(currentMove);
11376 if (moveType == GameUnfinished) flipView = !flipView;
11377 if (appData.debugMode)
11378 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11383 if (appData.debugMode)
11384 fprintf(debugFP, "Parser hit end of file\n");
11385 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11391 if (WhiteOnMove(currentMove)) {
11392 GameEnds(BlackWins, "Black mates", GE_FILE);
11394 GameEnds(WhiteWins, "White mates", GE_FILE);
11398 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11404 case MoveNumberOne:
11405 if (lastLoadGameStart == GNUChessGame) {
11406 /* GNUChessGames have numbers, but they aren't move numbers */
11407 if (appData.debugMode)
11408 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11409 yy_text, (int) moveType);
11410 return LoadGameOneMove(EndOfFile); /* tail recursion */
11412 /* else fall thru */
11417 /* Reached start of next game in file */
11418 if (appData.debugMode)
11419 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11420 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11426 if (WhiteOnMove(currentMove)) {
11427 GameEnds(BlackWins, "Black mates", GE_FILE);
11429 GameEnds(WhiteWins, "White mates", GE_FILE);
11433 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11439 case PositionDiagram: /* should not happen; ignore */
11440 case ElapsedTime: /* ignore */
11441 case NAG: /* ignore */
11442 if (appData.debugMode)
11443 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11444 yy_text, (int) moveType);
11445 return LoadGameOneMove(EndOfFile); /* tail recursion */
11448 if (appData.testLegality) {
11449 if (appData.debugMode)
11450 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11451 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11452 (forwardMostMove / 2) + 1,
11453 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11454 DisplayError(move, 0);
11457 if (appData.debugMode)
11458 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11459 yy_text, currentMoveString);
11460 fromX = currentMoveString[0] - AAA;
11461 fromY = currentMoveString[1] - ONE;
11462 toX = currentMoveString[2] - AAA;
11463 toY = currentMoveString[3] - ONE;
11464 promoChar = currentMoveString[4];
11468 case AmbiguousMove:
11469 if (appData.debugMode)
11470 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11471 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11472 (forwardMostMove / 2) + 1,
11473 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11474 DisplayError(move, 0);
11479 case ImpossibleMove:
11480 if (appData.debugMode)
11481 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11482 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11483 (forwardMostMove / 2) + 1,
11484 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11485 DisplayError(move, 0);
11491 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11492 DrawPosition(FALSE, boards[currentMove]);
11493 DisplayBothClocks();
11494 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11495 DisplayComment(currentMove - 1, commentList[currentMove]);
11497 (void) StopLoadGameTimer();
11499 cmailOldMove = forwardMostMove;
11502 /* currentMoveString is set as a side-effect of yylex */
11504 thinkOutput[0] = NULLCHAR;
11505 MakeMove(fromX, fromY, toX, toY, promoChar);
11506 currentMove = forwardMostMove;
11511 /* Load the nth game from the given file */
11513 LoadGameFromFile (char *filename, int n, char *title, int useList)
11518 if (strcmp(filename, "-") == 0) {
11522 f = fopen(filename, "rb");
11524 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11525 DisplayError(buf, errno);
11529 if (fseek(f, 0, 0) == -1) {
11530 /* f is not seekable; probably a pipe */
11533 if (useList && n == 0) {
11534 int error = GameListBuild(f);
11536 DisplayError(_("Cannot build game list"), error);
11537 } else if (!ListEmpty(&gameList) &&
11538 ((ListGame *) gameList.tailPred)->number > 1) {
11539 GameListPopUp(f, title);
11546 return LoadGame(f, n, title, FALSE);
11551 MakeRegisteredMove ()
11553 int fromX, fromY, toX, toY;
11555 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11556 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11559 if (appData.debugMode)
11560 fprintf(debugFP, "Restoring %s for game %d\n",
11561 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11563 thinkOutput[0] = NULLCHAR;
11564 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11565 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11566 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11567 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11568 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11569 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11570 MakeMove(fromX, fromY, toX, toY, promoChar);
11571 ShowMove(fromX, fromY, toX, toY);
11573 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11580 if (WhiteOnMove(currentMove)) {
11581 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11583 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11588 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11595 if (WhiteOnMove(currentMove)) {
11596 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11598 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11603 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11614 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11616 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11620 if (gameNumber > nCmailGames) {
11621 DisplayError(_("No more games in this message"), 0);
11624 if (f == lastLoadGameFP) {
11625 int offset = gameNumber - lastLoadGameNumber;
11627 cmailMsg[0] = NULLCHAR;
11628 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11629 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11630 nCmailMovesRegistered--;
11632 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11633 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11634 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11637 if (! RegisterMove()) return FALSE;
11641 retVal = LoadGame(f, gameNumber, title, useList);
11643 /* Make move registered during previous look at this game, if any */
11644 MakeRegisteredMove();
11646 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11647 commentList[currentMove]
11648 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11649 DisplayComment(currentMove - 1, commentList[currentMove]);
11655 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11657 ReloadGame (int offset)
11659 int gameNumber = lastLoadGameNumber + offset;
11660 if (lastLoadGameFP == NULL) {
11661 DisplayError(_("No game has been loaded yet"), 0);
11664 if (gameNumber <= 0) {
11665 DisplayError(_("Can't back up any further"), 0);
11668 if (cmailMsgLoaded) {
11669 return CmailLoadGame(lastLoadGameFP, gameNumber,
11670 lastLoadGameTitle, lastLoadGameUseList);
11672 return LoadGame(lastLoadGameFP, gameNumber,
11673 lastLoadGameTitle, lastLoadGameUseList);
11677 int keys[EmptySquare+1];
11680 PositionMatches (Board b1, Board b2)
11683 switch(appData.searchMode) {
11684 case 1: return CompareWithRights(b1, b2);
11686 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11687 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11691 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11692 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11693 sum += keys[b1[r][f]] - keys[b2[r][f]];
11697 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11698 sum += keys[b1[r][f]] - keys[b2[r][f]];
11710 int pieceList[256], quickBoard[256];
11711 ChessSquare pieceType[256] = { EmptySquare };
11712 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11713 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11714 int soughtTotal, turn;
11715 Boolean epOK, flipSearch;
11718 unsigned char piece, to;
11721 #define DSIZE (250000)
11723 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11724 Move *moveDatabase = initialSpace;
11725 unsigned int movePtr, dataSize = DSIZE;
11728 MakePieceList (Board board, int *counts)
11730 int r, f, n=Q_PROMO, total=0;
11731 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11732 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11733 int sq = f + (r<<4);
11734 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11735 quickBoard[sq] = ++n;
11737 pieceType[n] = board[r][f];
11738 counts[board[r][f]]++;
11739 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11740 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11744 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11749 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11751 int sq = fromX + (fromY<<4);
11752 int piece = quickBoard[sq];
11753 quickBoard[sq] = 0;
11754 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11755 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11756 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11757 moveDatabase[movePtr++].piece = Q_WCASTL;
11758 quickBoard[sq] = piece;
11759 piece = quickBoard[from]; quickBoard[from] = 0;
11760 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11762 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11763 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11764 moveDatabase[movePtr++].piece = Q_BCASTL;
11765 quickBoard[sq] = piece;
11766 piece = quickBoard[from]; quickBoard[from] = 0;
11767 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11769 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11770 quickBoard[(fromY<<4)+toX] = 0;
11771 moveDatabase[movePtr].piece = Q_EP;
11772 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11773 moveDatabase[movePtr].to = sq;
11775 if(promoPiece != pieceType[piece]) {
11776 moveDatabase[movePtr++].piece = Q_PROMO;
11777 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11779 moveDatabase[movePtr].piece = piece;
11780 quickBoard[sq] = piece;
11785 PackGame (Board board)
11787 Move *newSpace = NULL;
11788 moveDatabase[movePtr].piece = 0; // terminate previous game
11789 if(movePtr > dataSize) {
11790 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11791 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11792 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11795 Move *p = moveDatabase, *q = newSpace;
11796 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11797 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11798 moveDatabase = newSpace;
11799 } else { // calloc failed, we must be out of memory. Too bad...
11800 dataSize = 0; // prevent calloc events for all subsequent games
11801 return 0; // and signal this one isn't cached
11805 MakePieceList(board, counts);
11810 QuickCompare (Board board, int *minCounts, int *maxCounts)
11811 { // compare according to search mode
11813 switch(appData.searchMode)
11815 case 1: // exact position match
11816 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11817 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11818 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11821 case 2: // can have extra material on empty squares
11822 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11823 if(board[r][f] == EmptySquare) continue;
11824 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11827 case 3: // material with exact Pawn structure
11828 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11829 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11830 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11831 } // fall through to material comparison
11832 case 4: // exact material
11833 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11835 case 6: // material range with given imbalance
11836 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11837 // fall through to range comparison
11838 case 5: // material range
11839 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11845 QuickScan (Board board, Move *move)
11846 { // reconstruct game,and compare all positions in it
11847 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11849 int piece = move->piece;
11850 int to = move->to, from = pieceList[piece];
11851 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11852 if(!piece) return -1;
11853 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11854 piece = (++move)->piece;
11855 from = pieceList[piece];
11856 counts[pieceType[piece]]--;
11857 pieceType[piece] = (ChessSquare) move->to;
11858 counts[move->to]++;
11859 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11860 counts[pieceType[quickBoard[to]]]--;
11861 quickBoard[to] = 0; total--;
11864 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11865 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11866 from = pieceList[piece]; // so this must be King
11867 quickBoard[from] = 0;
11868 pieceList[piece] = to;
11869 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11870 quickBoard[from] = 0; // rook
11871 quickBoard[to] = piece;
11872 to = move->to; piece = move->piece;
11876 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11877 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11878 quickBoard[from] = 0;
11880 quickBoard[to] = piece;
11881 pieceList[piece] = to;
11883 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11884 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11885 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11886 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11888 static int lastCounts[EmptySquare+1];
11890 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11891 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11892 } else stretch = 0;
11893 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11902 flipSearch = FALSE;
11903 CopyBoard(soughtBoard, boards[currentMove]);
11904 soughtTotal = MakePieceList(soughtBoard, maxSought);
11905 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11906 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11907 CopyBoard(reverseBoard, boards[currentMove]);
11908 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11909 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11910 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11911 reverseBoard[r][f] = piece;
11913 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11914 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11915 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11916 || (boards[currentMove][CASTLING][2] == NoRights ||
11917 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11918 && (boards[currentMove][CASTLING][5] == NoRights ||
11919 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11922 CopyBoard(flipBoard, soughtBoard);
11923 CopyBoard(rotateBoard, reverseBoard);
11924 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11925 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11926 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11929 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11930 if(appData.searchMode >= 5) {
11931 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11932 MakePieceList(soughtBoard, minSought);
11933 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11935 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11936 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11939 GameInfo dummyInfo;
11940 static int creatingBook;
11943 GameContainsPosition (FILE *f, ListGame *lg)
11945 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11946 int fromX, fromY, toX, toY;
11948 static int initDone=FALSE;
11950 // weed out games based on numerical tag comparison
11951 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11952 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11953 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11954 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11956 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11959 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11960 else CopyBoard(boards[scratch], initialPosition); // default start position
11963 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11964 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11967 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11968 fseek(f, lg->offset, 0);
11971 yyboardindex = scratch;
11972 quickFlag = plyNr+1;
11977 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11983 if(plyNr) return -1; // after we have seen moves, this is for new game
11986 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11987 case ImpossibleMove:
11988 case WhiteWins: // game ends here with these four
11991 case GameUnfinished:
11995 if(appData.testLegality) return -1;
11996 case WhiteCapturesEnPassant:
11997 case BlackCapturesEnPassant:
11998 case WhitePromotion:
11999 case BlackPromotion:
12000 case WhiteNonPromotion:
12001 case BlackNonPromotion:
12003 case WhiteKingSideCastle:
12004 case WhiteQueenSideCastle:
12005 case BlackKingSideCastle:
12006 case BlackQueenSideCastle:
12007 case WhiteKingSideCastleWild:
12008 case WhiteQueenSideCastleWild:
12009 case BlackKingSideCastleWild:
12010 case BlackQueenSideCastleWild:
12011 case WhiteHSideCastleFR:
12012 case WhiteASideCastleFR:
12013 case BlackHSideCastleFR:
12014 case BlackASideCastleFR:
12015 fromX = currentMoveString[0] - AAA;
12016 fromY = currentMoveString[1] - ONE;
12017 toX = currentMoveString[2] - AAA;
12018 toY = currentMoveString[3] - ONE;
12019 promoChar = currentMoveString[4];
12023 fromX = next == WhiteDrop ?
12024 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12025 (int) CharToPiece(ToLower(currentMoveString[0]));
12027 toX = currentMoveString[2] - AAA;
12028 toY = currentMoveString[3] - ONE;
12032 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12034 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12035 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12036 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12037 if(appData.findMirror) {
12038 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12039 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12044 /* Load the nth game from open file f */
12046 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12050 int gn = gameNumber;
12051 ListGame *lg = NULL;
12052 int numPGNTags = 0;
12054 GameMode oldGameMode;
12055 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12057 if (appData.debugMode)
12058 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12060 if (gameMode == Training )
12061 SetTrainingModeOff();
12063 oldGameMode = gameMode;
12064 if (gameMode != BeginningOfGame) {
12065 Reset(FALSE, TRUE);
12069 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12070 fclose(lastLoadGameFP);
12074 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12077 fseek(f, lg->offset, 0);
12078 GameListHighlight(gameNumber);
12079 pos = lg->position;
12083 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12084 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12086 DisplayError(_("Game number out of range"), 0);
12091 if (fseek(f, 0, 0) == -1) {
12092 if (f == lastLoadGameFP ?
12093 gameNumber == lastLoadGameNumber + 1 :
12097 DisplayError(_("Can't seek on game file"), 0);
12102 lastLoadGameFP = f;
12103 lastLoadGameNumber = gameNumber;
12104 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12105 lastLoadGameUseList = useList;
12109 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12110 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12111 lg->gameInfo.black);
12113 } else if (*title != NULLCHAR) {
12114 if (gameNumber > 1) {
12115 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12118 DisplayTitle(title);
12122 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12123 gameMode = PlayFromGameFile;
12127 currentMove = forwardMostMove = backwardMostMove = 0;
12128 CopyBoard(boards[0], initialPosition);
12132 * Skip the first gn-1 games in the file.
12133 * Also skip over anything that precedes an identifiable
12134 * start of game marker, to avoid being confused by
12135 * garbage at the start of the file. Currently
12136 * recognized start of game markers are the move number "1",
12137 * the pattern "gnuchess .* game", the pattern
12138 * "^[#;%] [^ ]* game file", and a PGN tag block.
12139 * A game that starts with one of the latter two patterns
12140 * will also have a move number 1, possibly
12141 * following a position diagram.
12142 * 5-4-02: Let's try being more lenient and allowing a game to
12143 * start with an unnumbered move. Does that break anything?
12145 cm = lastLoadGameStart = EndOfFile;
12147 yyboardindex = forwardMostMove;
12148 cm = (ChessMove) Myylex();
12151 if (cmailMsgLoaded) {
12152 nCmailGames = CMAIL_MAX_GAMES - gn;
12155 DisplayError(_("Game not found in file"), 0);
12162 lastLoadGameStart = cm;
12165 case MoveNumberOne:
12166 switch (lastLoadGameStart) {
12171 case MoveNumberOne:
12173 gn--; /* count this game */
12174 lastLoadGameStart = cm;
12183 switch (lastLoadGameStart) {
12186 case MoveNumberOne:
12188 gn--; /* count this game */
12189 lastLoadGameStart = cm;
12192 lastLoadGameStart = cm; /* game counted already */
12200 yyboardindex = forwardMostMove;
12201 cm = (ChessMove) Myylex();
12202 } while (cm == PGNTag || cm == Comment);
12209 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12210 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12211 != CMAIL_OLD_RESULT) {
12213 cmailResult[ CMAIL_MAX_GAMES
12214 - gn - 1] = CMAIL_OLD_RESULT;
12220 /* Only a NormalMove can be at the start of a game
12221 * without a position diagram. */
12222 if (lastLoadGameStart == EndOfFile ) {
12224 lastLoadGameStart = MoveNumberOne;
12233 if (appData.debugMode)
12234 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12236 if (cm == XBoardGame) {
12237 /* Skip any header junk before position diagram and/or move 1 */
12239 yyboardindex = forwardMostMove;
12240 cm = (ChessMove) Myylex();
12242 if (cm == EndOfFile ||
12243 cm == GNUChessGame || cm == XBoardGame) {
12244 /* Empty game; pretend end-of-file and handle later */
12249 if (cm == MoveNumberOne || cm == PositionDiagram ||
12250 cm == PGNTag || cm == Comment)
12253 } else if (cm == GNUChessGame) {
12254 if (gameInfo.event != NULL) {
12255 free(gameInfo.event);
12257 gameInfo.event = StrSave(yy_text);
12260 startedFromSetupPosition = FALSE;
12261 while (cm == PGNTag) {
12262 if (appData.debugMode)
12263 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12264 err = ParsePGNTag(yy_text, &gameInfo);
12265 if (!err) numPGNTags++;
12267 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12268 if(gameInfo.variant != oldVariant) {
12269 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12270 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12271 InitPosition(TRUE);
12272 oldVariant = gameInfo.variant;
12273 if (appData.debugMode)
12274 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12278 if (gameInfo.fen != NULL) {
12279 Board initial_position;
12280 startedFromSetupPosition = TRUE;
12281 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12283 DisplayError(_("Bad FEN position in file"), 0);
12286 CopyBoard(boards[0], initial_position);
12287 if (blackPlaysFirst) {
12288 currentMove = forwardMostMove = backwardMostMove = 1;
12289 CopyBoard(boards[1], initial_position);
12290 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12291 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12292 timeRemaining[0][1] = whiteTimeRemaining;
12293 timeRemaining[1][1] = blackTimeRemaining;
12294 if (commentList[0] != NULL) {
12295 commentList[1] = commentList[0];
12296 commentList[0] = NULL;
12299 currentMove = forwardMostMove = backwardMostMove = 0;
12301 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12303 initialRulePlies = FENrulePlies;
12304 for( i=0; i< nrCastlingRights; i++ )
12305 initialRights[i] = initial_position[CASTLING][i];
12307 yyboardindex = forwardMostMove;
12308 free(gameInfo.fen);
12309 gameInfo.fen = NULL;
12312 yyboardindex = forwardMostMove;
12313 cm = (ChessMove) Myylex();
12315 /* Handle comments interspersed among the tags */
12316 while (cm == Comment) {
12318 if (appData.debugMode)
12319 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12321 AppendComment(currentMove, p, FALSE);
12322 yyboardindex = forwardMostMove;
12323 cm = (ChessMove) Myylex();
12327 /* don't rely on existence of Event tag since if game was
12328 * pasted from clipboard the Event tag may not exist
12330 if (numPGNTags > 0){
12332 if (gameInfo.variant == VariantNormal) {
12333 VariantClass v = StringToVariant(gameInfo.event);
12334 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12335 if(v < VariantShogi) gameInfo.variant = v;
12338 if( appData.autoDisplayTags ) {
12339 tags = PGNTags(&gameInfo);
12340 TagsPopUp(tags, CmailMsg());
12345 /* Make something up, but don't display it now */
12350 if (cm == PositionDiagram) {
12353 Board initial_position;
12355 if (appData.debugMode)
12356 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12358 if (!startedFromSetupPosition) {
12360 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12361 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12372 initial_position[i][j++] = CharToPiece(*p);
12375 while (*p == ' ' || *p == '\t' ||
12376 *p == '\n' || *p == '\r') p++;
12378 if (strncmp(p, "black", strlen("black"))==0)
12379 blackPlaysFirst = TRUE;
12381 blackPlaysFirst = FALSE;
12382 startedFromSetupPosition = TRUE;
12384 CopyBoard(boards[0], initial_position);
12385 if (blackPlaysFirst) {
12386 currentMove = forwardMostMove = backwardMostMove = 1;
12387 CopyBoard(boards[1], initial_position);
12388 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12389 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12390 timeRemaining[0][1] = whiteTimeRemaining;
12391 timeRemaining[1][1] = blackTimeRemaining;
12392 if (commentList[0] != NULL) {
12393 commentList[1] = commentList[0];
12394 commentList[0] = NULL;
12397 currentMove = forwardMostMove = backwardMostMove = 0;
12400 yyboardindex = forwardMostMove;
12401 cm = (ChessMove) Myylex();
12404 if(!creatingBook) {
12405 if (first.pr == NoProc) {
12406 StartChessProgram(&first);
12408 InitChessProgram(&first, FALSE);
12409 SendToProgram("force\n", &first);
12410 if (startedFromSetupPosition) {
12411 SendBoard(&first, forwardMostMove);
12412 if (appData.debugMode) {
12413 fprintf(debugFP, "Load Game\n");
12415 DisplayBothClocks();
12419 /* [HGM] server: flag to write setup moves in broadcast file as one */
12420 loadFlag = appData.suppressLoadMoves;
12422 while (cm == Comment) {
12424 if (appData.debugMode)
12425 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12427 AppendComment(currentMove, p, FALSE);
12428 yyboardindex = forwardMostMove;
12429 cm = (ChessMove) Myylex();
12432 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12433 cm == WhiteWins || cm == BlackWins ||
12434 cm == GameIsDrawn || cm == GameUnfinished) {
12435 DisplayMessage("", _("No moves in game"));
12436 if (cmailMsgLoaded) {
12437 if (appData.debugMode)
12438 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12442 DrawPosition(FALSE, boards[currentMove]);
12443 DisplayBothClocks();
12444 gameMode = EditGame;
12451 // [HGM] PV info: routine tests if comment empty
12452 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12453 DisplayComment(currentMove - 1, commentList[currentMove]);
12455 if (!matchMode && appData.timeDelay != 0)
12456 DrawPosition(FALSE, boards[currentMove]);
12458 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12459 programStats.ok_to_send = 1;
12462 /* if the first token after the PGN tags is a move
12463 * and not move number 1, retrieve it from the parser
12465 if (cm != MoveNumberOne)
12466 LoadGameOneMove(cm);
12468 /* load the remaining moves from the file */
12469 while (LoadGameOneMove(EndOfFile)) {
12470 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12471 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12474 /* rewind to the start of the game */
12475 currentMove = backwardMostMove;
12477 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12479 if (oldGameMode == AnalyzeFile) {
12480 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12481 AnalyzeFileEvent();
12483 if (oldGameMode == AnalyzeMode) {
12484 AnalyzeFileEvent();
12487 if(creatingBook) return TRUE;
12488 if (!matchMode && pos > 0) {
12489 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12491 if (matchMode || appData.timeDelay == 0) {
12493 } else if (appData.timeDelay > 0) {
12494 AutoPlayGameLoop();
12497 if (appData.debugMode)
12498 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12500 loadFlag = 0; /* [HGM] true game starts */
12504 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12506 ReloadPosition (int offset)
12508 int positionNumber = lastLoadPositionNumber + offset;
12509 if (lastLoadPositionFP == NULL) {
12510 DisplayError(_("No position has been loaded yet"), 0);
12513 if (positionNumber <= 0) {
12514 DisplayError(_("Can't back up any further"), 0);
12517 return LoadPosition(lastLoadPositionFP, positionNumber,
12518 lastLoadPositionTitle);
12521 /* Load the nth position from the given file */
12523 LoadPositionFromFile (char *filename, int n, char *title)
12528 if (strcmp(filename, "-") == 0) {
12529 return LoadPosition(stdin, n, "stdin");
12531 f = fopen(filename, "rb");
12533 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12534 DisplayError(buf, errno);
12537 return LoadPosition(f, n, title);
12542 /* Load the nth position from the given open file, and close it */
12544 LoadPosition (FILE *f, int positionNumber, char *title)
12546 char *p, line[MSG_SIZ];
12547 Board initial_position;
12548 int i, j, fenMode, pn;
12550 if (gameMode == Training )
12551 SetTrainingModeOff();
12553 if (gameMode != BeginningOfGame) {
12554 Reset(FALSE, TRUE);
12556 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12557 fclose(lastLoadPositionFP);
12559 if (positionNumber == 0) positionNumber = 1;
12560 lastLoadPositionFP = f;
12561 lastLoadPositionNumber = positionNumber;
12562 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12563 if (first.pr == NoProc && !appData.noChessProgram) {
12564 StartChessProgram(&first);
12565 InitChessProgram(&first, FALSE);
12567 pn = positionNumber;
12568 if (positionNumber < 0) {
12569 /* Negative position number means to seek to that byte offset */
12570 if (fseek(f, -positionNumber, 0) == -1) {
12571 DisplayError(_("Can't seek on position file"), 0);
12576 if (fseek(f, 0, 0) == -1) {
12577 if (f == lastLoadPositionFP ?
12578 positionNumber == lastLoadPositionNumber + 1 :
12579 positionNumber == 1) {
12582 DisplayError(_("Can't seek on position file"), 0);
12587 /* See if this file is FEN or old-style xboard */
12588 if (fgets(line, MSG_SIZ, f) == NULL) {
12589 DisplayError(_("Position not found in file"), 0);
12592 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12593 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12596 if (fenMode || line[0] == '#') pn--;
12598 /* skip positions before number pn */
12599 if (fgets(line, MSG_SIZ, f) == NULL) {
12601 DisplayError(_("Position not found in file"), 0);
12604 if (fenMode || line[0] == '#') pn--;
12609 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12610 DisplayError(_("Bad FEN position in file"), 0);
12614 (void) fgets(line, MSG_SIZ, f);
12615 (void) fgets(line, MSG_SIZ, f);
12617 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12618 (void) fgets(line, MSG_SIZ, f);
12619 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12622 initial_position[i][j++] = CharToPiece(*p);
12626 blackPlaysFirst = FALSE;
12628 (void) fgets(line, MSG_SIZ, f);
12629 if (strncmp(line, "black", strlen("black"))==0)
12630 blackPlaysFirst = TRUE;
12633 startedFromSetupPosition = TRUE;
12635 CopyBoard(boards[0], initial_position);
12636 if (blackPlaysFirst) {
12637 currentMove = forwardMostMove = backwardMostMove = 1;
12638 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12639 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12640 CopyBoard(boards[1], initial_position);
12641 DisplayMessage("", _("Black to play"));
12643 currentMove = forwardMostMove = backwardMostMove = 0;
12644 DisplayMessage("", _("White to play"));
12646 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12647 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12648 SendToProgram("force\n", &first);
12649 SendBoard(&first, forwardMostMove);
12651 if (appData.debugMode) {
12653 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12654 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12655 fprintf(debugFP, "Load Position\n");
12658 if (positionNumber > 1) {
12659 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12660 DisplayTitle(line);
12662 DisplayTitle(title);
12664 gameMode = EditGame;
12667 timeRemaining[0][1] = whiteTimeRemaining;
12668 timeRemaining[1][1] = blackTimeRemaining;
12669 DrawPosition(FALSE, boards[currentMove]);
12676 CopyPlayerNameIntoFileName (char **dest, char *src)
12678 while (*src != NULLCHAR && *src != ',') {
12683 *(*dest)++ = *src++;
12689 DefaultFileName (char *ext)
12691 static char def[MSG_SIZ];
12694 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12696 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12698 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12700 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12707 /* Save the current game to the given file */
12709 SaveGameToFile (char *filename, int append)
12713 int result, i, t,tot=0;
12715 if (strcmp(filename, "-") == 0) {
12716 return SaveGame(stdout, 0, NULL);
12718 for(i=0; i<10; i++) { // upto 10 tries
12719 f = fopen(filename, append ? "a" : "w");
12720 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12721 if(f || errno != 13) break;
12722 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12726 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12727 DisplayError(buf, errno);
12730 safeStrCpy(buf, lastMsg, MSG_SIZ);
12731 DisplayMessage(_("Waiting for access to save file"), "");
12732 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12733 DisplayMessage(_("Saving game"), "");
12734 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12735 result = SaveGame(f, 0, NULL);
12736 DisplayMessage(buf, "");
12743 SavePart (char *str)
12745 static char buf[MSG_SIZ];
12748 p = strchr(str, ' ');
12749 if (p == NULL) return str;
12750 strncpy(buf, str, p - str);
12751 buf[p - str] = NULLCHAR;
12755 #define PGN_MAX_LINE 75
12757 #define PGN_SIDE_WHITE 0
12758 #define PGN_SIDE_BLACK 1
12761 FindFirstMoveOutOfBook (int side)
12765 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12766 int index = backwardMostMove;
12767 int has_book_hit = 0;
12769 if( (index % 2) != side ) {
12773 while( index < forwardMostMove ) {
12774 /* Check to see if engine is in book */
12775 int depth = pvInfoList[index].depth;
12776 int score = pvInfoList[index].score;
12782 else if( score == 0 && depth == 63 ) {
12783 in_book = 1; /* Zappa */
12785 else if( score == 2 && depth == 99 ) {
12786 in_book = 1; /* Abrok */
12789 has_book_hit += in_book;
12805 GetOutOfBookInfo (char * buf)
12809 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12811 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12812 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12816 if( oob[0] >= 0 || oob[1] >= 0 ) {
12817 for( i=0; i<2; i++ ) {
12821 if( i > 0 && oob[0] >= 0 ) {
12822 strcat( buf, " " );
12825 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12826 sprintf( buf+strlen(buf), "%s%.2f",
12827 pvInfoList[idx].score >= 0 ? "+" : "",
12828 pvInfoList[idx].score / 100.0 );
12834 /* Save game in PGN style and close the file */
12836 SaveGamePGN (FILE *f)
12838 int i, offset, linelen, newblock;
12841 int movelen, numlen, blank;
12842 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12844 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12846 PrintPGNTags(f, &gameInfo);
12848 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12850 if (backwardMostMove > 0 || startedFromSetupPosition) {
12851 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
12852 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12853 fprintf(f, "\n{--------------\n");
12854 PrintPosition(f, backwardMostMove);
12855 fprintf(f, "--------------}\n");
12859 /* [AS] Out of book annotation */
12860 if( appData.saveOutOfBookInfo ) {
12863 GetOutOfBookInfo( buf );
12865 if( buf[0] != '\0' ) {
12866 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12873 i = backwardMostMove;
12877 while (i < forwardMostMove) {
12878 /* Print comments preceding this move */
12879 if (commentList[i] != NULL) {
12880 if (linelen > 0) fprintf(f, "\n");
12881 fprintf(f, "%s", commentList[i]);
12886 /* Format move number */
12888 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12891 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12893 numtext[0] = NULLCHAR;
12895 numlen = strlen(numtext);
12898 /* Print move number */
12899 blank = linelen > 0 && numlen > 0;
12900 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12909 fprintf(f, "%s", numtext);
12913 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12914 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12917 blank = linelen > 0 && movelen > 0;
12918 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12927 fprintf(f, "%s", move_buffer);
12928 linelen += movelen;
12930 /* [AS] Add PV info if present */
12931 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12932 /* [HGM] add time */
12933 char buf[MSG_SIZ]; int seconds;
12935 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12941 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12944 seconds = (seconds + 4)/10; // round to full seconds
12946 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12948 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12951 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12952 pvInfoList[i].score >= 0 ? "+" : "",
12953 pvInfoList[i].score / 100.0,
12954 pvInfoList[i].depth,
12957 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12959 /* Print score/depth */
12960 blank = linelen > 0 && movelen > 0;
12961 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12970 fprintf(f, "%s", move_buffer);
12971 linelen += movelen;
12977 /* Start a new line */
12978 if (linelen > 0) fprintf(f, "\n");
12980 /* Print comments after last move */
12981 if (commentList[i] != NULL) {
12982 fprintf(f, "%s\n", commentList[i]);
12986 if (gameInfo.resultDetails != NULL &&
12987 gameInfo.resultDetails[0] != NULLCHAR) {
12988 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12989 PGNResult(gameInfo.result));
12991 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12995 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12999 /* Save game in old style and close the file */
13001 SaveGameOldStyle (FILE *f)
13006 tm = time((time_t *) NULL);
13008 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13011 if (backwardMostMove > 0 || startedFromSetupPosition) {
13012 fprintf(f, "\n[--------------\n");
13013 PrintPosition(f, backwardMostMove);
13014 fprintf(f, "--------------]\n");
13019 i = backwardMostMove;
13020 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13022 while (i < forwardMostMove) {
13023 if (commentList[i] != NULL) {
13024 fprintf(f, "[%s]\n", commentList[i]);
13027 if ((i % 2) == 1) {
13028 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13031 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13033 if (commentList[i] != NULL) {
13037 if (i >= forwardMostMove) {
13041 fprintf(f, "%s\n", parseList[i]);
13046 if (commentList[i] != NULL) {
13047 fprintf(f, "[%s]\n", commentList[i]);
13050 /* This isn't really the old style, but it's close enough */
13051 if (gameInfo.resultDetails != NULL &&
13052 gameInfo.resultDetails[0] != NULLCHAR) {
13053 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13054 gameInfo.resultDetails);
13056 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13063 /* Save the current game to open file f and close the file */
13065 SaveGame (FILE *f, int dummy, char *dummy2)
13067 if (gameMode == EditPosition) EditPositionDone(TRUE);
13068 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13069 if (appData.oldSaveStyle)
13070 return SaveGameOldStyle(f);
13072 return SaveGamePGN(f);
13075 /* Save the current position to the given file */
13077 SavePositionToFile (char *filename)
13082 if (strcmp(filename, "-") == 0) {
13083 return SavePosition(stdout, 0, NULL);
13085 f = fopen(filename, "a");
13087 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13088 DisplayError(buf, errno);
13091 safeStrCpy(buf, lastMsg, MSG_SIZ);
13092 DisplayMessage(_("Waiting for access to save file"), "");
13093 flock(fileno(f), LOCK_EX); // [HGM] lock
13094 DisplayMessage(_("Saving position"), "");
13095 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13096 SavePosition(f, 0, NULL);
13097 DisplayMessage(buf, "");
13103 /* Save the current position to the given open file and close the file */
13105 SavePosition (FILE *f, int dummy, char *dummy2)
13110 if (gameMode == EditPosition) EditPositionDone(TRUE);
13111 if (appData.oldSaveStyle) {
13112 tm = time((time_t *) NULL);
13114 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13116 fprintf(f, "[--------------\n");
13117 PrintPosition(f, currentMove);
13118 fprintf(f, "--------------]\n");
13120 fen = PositionToFEN(currentMove, NULL, 1);
13121 fprintf(f, "%s\n", fen);
13129 ReloadCmailMsgEvent (int unregister)
13132 static char *inFilename = NULL;
13133 static char *outFilename;
13135 struct stat inbuf, outbuf;
13138 /* Any registered moves are unregistered if unregister is set, */
13139 /* i.e. invoked by the signal handler */
13141 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13142 cmailMoveRegistered[i] = FALSE;
13143 if (cmailCommentList[i] != NULL) {
13144 free(cmailCommentList[i]);
13145 cmailCommentList[i] = NULL;
13148 nCmailMovesRegistered = 0;
13151 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13152 cmailResult[i] = CMAIL_NOT_RESULT;
13156 if (inFilename == NULL) {
13157 /* Because the filenames are static they only get malloced once */
13158 /* and they never get freed */
13159 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13160 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13162 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13163 sprintf(outFilename, "%s.out", appData.cmailGameName);
13166 status = stat(outFilename, &outbuf);
13168 cmailMailedMove = FALSE;
13170 status = stat(inFilename, &inbuf);
13171 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13174 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13175 counts the games, notes how each one terminated, etc.
13177 It would be nice to remove this kludge and instead gather all
13178 the information while building the game list. (And to keep it
13179 in the game list nodes instead of having a bunch of fixed-size
13180 parallel arrays.) Note this will require getting each game's
13181 termination from the PGN tags, as the game list builder does
13182 not process the game moves. --mann
13184 cmailMsgLoaded = TRUE;
13185 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13187 /* Load first game in the file or popup game menu */
13188 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13190 #endif /* !WIN32 */
13198 char string[MSG_SIZ];
13200 if ( cmailMailedMove
13201 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13202 return TRUE; /* Allow free viewing */
13205 /* Unregister move to ensure that we don't leave RegisterMove */
13206 /* with the move registered when the conditions for registering no */
13208 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13209 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13210 nCmailMovesRegistered --;
13212 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13214 free(cmailCommentList[lastLoadGameNumber - 1]);
13215 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13219 if (cmailOldMove == -1) {
13220 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13224 if (currentMove > cmailOldMove + 1) {
13225 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13229 if (currentMove < cmailOldMove) {
13230 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13234 if (forwardMostMove > currentMove) {
13235 /* Silently truncate extra moves */
13239 if ( (currentMove == cmailOldMove + 1)
13240 || ( (currentMove == cmailOldMove)
13241 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13242 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13243 if (gameInfo.result != GameUnfinished) {
13244 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13247 if (commentList[currentMove] != NULL) {
13248 cmailCommentList[lastLoadGameNumber - 1]
13249 = StrSave(commentList[currentMove]);
13251 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13253 if (appData.debugMode)
13254 fprintf(debugFP, "Saving %s for game %d\n",
13255 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13257 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13259 f = fopen(string, "w");
13260 if (appData.oldSaveStyle) {
13261 SaveGameOldStyle(f); /* also closes the file */
13263 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13264 f = fopen(string, "w");
13265 SavePosition(f, 0, NULL); /* also closes the file */
13267 fprintf(f, "{--------------\n");
13268 PrintPosition(f, currentMove);
13269 fprintf(f, "--------------}\n\n");
13271 SaveGame(f, 0, NULL); /* also closes the file*/
13274 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13275 nCmailMovesRegistered ++;
13276 } else if (nCmailGames == 1) {
13277 DisplayError(_("You have not made a move yet"), 0);
13288 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13289 FILE *commandOutput;
13290 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13291 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13297 if (! cmailMsgLoaded) {
13298 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13302 if (nCmailGames == nCmailResults) {
13303 DisplayError(_("No unfinished games"), 0);
13307 #if CMAIL_PROHIBIT_REMAIL
13308 if (cmailMailedMove) {
13309 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);
13310 DisplayError(msg, 0);
13315 if (! (cmailMailedMove || RegisterMove())) return;
13317 if ( cmailMailedMove
13318 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13319 snprintf(string, MSG_SIZ, partCommandString,
13320 appData.debugMode ? " -v" : "", appData.cmailGameName);
13321 commandOutput = popen(string, "r");
13323 if (commandOutput == NULL) {
13324 DisplayError(_("Failed to invoke cmail"), 0);
13326 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13327 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13329 if (nBuffers > 1) {
13330 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13331 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13332 nBytes = MSG_SIZ - 1;
13334 (void) memcpy(msg, buffer, nBytes);
13336 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13338 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13339 cmailMailedMove = TRUE; /* Prevent >1 moves */
13342 for (i = 0; i < nCmailGames; i ++) {
13343 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13348 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13350 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13352 appData.cmailGameName,
13354 LoadGameFromFile(buffer, 1, buffer, FALSE);
13355 cmailMsgLoaded = FALSE;
13359 DisplayInformation(msg);
13360 pclose(commandOutput);
13363 if ((*cmailMsg) != '\0') {
13364 DisplayInformation(cmailMsg);
13369 #endif /* !WIN32 */
13378 int prependComma = 0;
13380 char string[MSG_SIZ]; /* Space for game-list */
13383 if (!cmailMsgLoaded) return "";
13385 if (cmailMailedMove) {
13386 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13388 /* Create a list of games left */
13389 snprintf(string, MSG_SIZ, "[");
13390 for (i = 0; i < nCmailGames; i ++) {
13391 if (! ( cmailMoveRegistered[i]
13392 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13393 if (prependComma) {
13394 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13396 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13400 strcat(string, number);
13403 strcat(string, "]");
13405 if (nCmailMovesRegistered + nCmailResults == 0) {
13406 switch (nCmailGames) {
13408 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13412 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13416 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13421 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13423 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13428 if (nCmailResults == nCmailGames) {
13429 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13431 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13436 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13448 if (gameMode == Training)
13449 SetTrainingModeOff();
13452 cmailMsgLoaded = FALSE;
13453 if (appData.icsActive) {
13454 SendToICS(ics_prefix);
13455 SendToICS("refresh\n");
13460 ExitEvent (int status)
13464 /* Give up on clean exit */
13468 /* Keep trying for clean exit */
13472 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13474 if (telnetISR != NULL) {
13475 RemoveInputSource(telnetISR);
13477 if (icsPR != NoProc) {
13478 DestroyChildProcess(icsPR, TRUE);
13481 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13482 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13484 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13485 /* make sure this other one finishes before killing it! */
13486 if(endingGame) { int count = 0;
13487 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13488 while(endingGame && count++ < 10) DoSleep(1);
13489 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13492 /* Kill off chess programs */
13493 if (first.pr != NoProc) {
13496 DoSleep( appData.delayBeforeQuit );
13497 SendToProgram("quit\n", &first);
13498 DoSleep( appData.delayAfterQuit );
13499 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13501 if (second.pr != NoProc) {
13502 DoSleep( appData.delayBeforeQuit );
13503 SendToProgram("quit\n", &second);
13504 DoSleep( appData.delayAfterQuit );
13505 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13507 if (first.isr != NULL) {
13508 RemoveInputSource(first.isr);
13510 if (second.isr != NULL) {
13511 RemoveInputSource(second.isr);
13514 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13515 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13517 ShutDownFrontEnd();
13522 PauseEngine (ChessProgramState *cps)
13524 SendToProgram("pause\n", cps);
13529 UnPauseEngine (ChessProgramState *cps)
13531 SendToProgram("resume\n", cps);
13538 if (appData.debugMode)
13539 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13543 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13545 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13546 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13547 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13549 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13550 HandleMachineMove(stashedInputMove, stalledEngine);
13551 stalledEngine = NULL;
13554 if (gameMode == MachinePlaysWhite ||
13555 gameMode == TwoMachinesPlay ||
13556 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13557 if(first.pause) UnPauseEngine(&first);
13558 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13559 if(second.pause) UnPauseEngine(&second);
13560 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13563 DisplayBothClocks();
13565 if (gameMode == PlayFromGameFile) {
13566 if (appData.timeDelay >= 0)
13567 AutoPlayGameLoop();
13568 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13569 Reset(FALSE, TRUE);
13570 SendToICS(ics_prefix);
13571 SendToICS("refresh\n");
13572 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13573 ForwardInner(forwardMostMove);
13575 pauseExamInvalid = FALSE;
13577 switch (gameMode) {
13581 pauseExamForwardMostMove = forwardMostMove;
13582 pauseExamInvalid = FALSE;
13585 case IcsPlayingWhite:
13586 case IcsPlayingBlack:
13590 case PlayFromGameFile:
13591 (void) StopLoadGameTimer();
13595 case BeginningOfGame:
13596 if (appData.icsActive) return;
13597 /* else fall through */
13598 case MachinePlaysWhite:
13599 case MachinePlaysBlack:
13600 case TwoMachinesPlay:
13601 if (forwardMostMove == 0)
13602 return; /* don't pause if no one has moved */
13603 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13604 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13605 if(onMove->pause) { // thinking engine can be paused
13606 PauseEngine(onMove); // do it
13607 if(onMove->other->pause) // pondering opponent can always be paused immediately
13608 PauseEngine(onMove->other);
13610 SendToProgram("easy\n", onMove->other);
13612 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13613 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13615 PauseEngine(&first);
13617 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13618 } else { // human on move, pause pondering by either method
13620 PauseEngine(&first);
13621 else if(appData.ponderNextMove)
13622 SendToProgram("easy\n", &first);
13625 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13635 EditCommentEvent ()
13637 char title[MSG_SIZ];
13639 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13640 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13642 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13643 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13644 parseList[currentMove - 1]);
13647 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13654 char *tags = PGNTags(&gameInfo);
13656 EditTagsPopUp(tags, NULL);
13663 if(second.analyzing) {
13664 SendToProgram("exit\n", &second);
13665 second.analyzing = FALSE;
13667 if (second.pr == NoProc) StartChessProgram(&second);
13668 InitChessProgram(&second, FALSE);
13669 FeedMovesToProgram(&second, currentMove);
13671 SendToProgram("analyze\n", &second);
13672 second.analyzing = TRUE;
13676 /* Toggle ShowThinking */
13678 ToggleShowThinking()
13680 appData.showThinking = !appData.showThinking;
13681 ShowThinkingEvent();
13685 AnalyzeModeEvent ()
13689 if (!first.analysisSupport) {
13690 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13691 DisplayError(buf, 0);
13694 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13695 if (appData.icsActive) {
13696 if (gameMode != IcsObserving) {
13697 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13698 DisplayError(buf, 0);
13700 if (appData.icsEngineAnalyze) {
13701 if (appData.debugMode)
13702 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
13708 /* if enable, user wants to disable icsEngineAnalyze */
13709 if (appData.icsEngineAnalyze) {
13714 appData.icsEngineAnalyze = TRUE;
13715 if (appData.debugMode)
13716 fprintf(debugFP, "ICS engine analyze starting... \n");
13719 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13720 if (appData.noChessProgram || gameMode == AnalyzeMode)
13723 if (gameMode != AnalyzeFile) {
13724 if (!appData.icsEngineAnalyze) {
13726 if (gameMode != EditGame) return 0;
13728 if (!appData.showThinking) ToggleShowThinking();
13729 ResurrectChessProgram();
13730 SendToProgram("analyze\n", &first);
13731 first.analyzing = TRUE;
13732 /*first.maybeThinking = TRUE;*/
13733 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13734 EngineOutputPopUp();
13736 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13741 StartAnalysisClock();
13742 GetTimeMark(&lastNodeCountTime);
13748 AnalyzeFileEvent ()
13750 if (appData.noChessProgram || gameMode == AnalyzeFile)
13753 if (!first.analysisSupport) {
13755 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13756 DisplayError(buf, 0);
13760 if (gameMode != AnalyzeMode) {
13761 keepInfo = 1; // mere annotating should not alter PGN tags
13764 if (gameMode != EditGame) return;
13765 if (!appData.showThinking) ToggleShowThinking();
13766 ResurrectChessProgram();
13767 SendToProgram("analyze\n", &first);
13768 first.analyzing = TRUE;
13769 /*first.maybeThinking = TRUE;*/
13770 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13771 EngineOutputPopUp();
13773 gameMode = AnalyzeFile;
13777 StartAnalysisClock();
13778 GetTimeMark(&lastNodeCountTime);
13780 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13781 AnalysisPeriodicEvent(1);
13785 MachineWhiteEvent ()
13788 char *bookHit = NULL;
13790 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13794 if (gameMode == PlayFromGameFile ||
13795 gameMode == TwoMachinesPlay ||
13796 gameMode == Training ||
13797 gameMode == AnalyzeMode ||
13798 gameMode == EndOfGame)
13801 if (gameMode == EditPosition)
13802 EditPositionDone(TRUE);
13804 if (!WhiteOnMove(currentMove)) {
13805 DisplayError(_("It is not White's turn"), 0);
13809 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13812 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13813 gameMode == AnalyzeFile)
13816 ResurrectChessProgram(); /* in case it isn't running */
13817 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13818 gameMode = MachinePlaysWhite;
13821 gameMode = MachinePlaysWhite;
13825 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13827 if (first.sendName) {
13828 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13829 SendToProgram(buf, &first);
13831 if (first.sendTime) {
13832 if (first.useColors) {
13833 SendToProgram("black\n", &first); /*gnu kludge*/
13835 SendTimeRemaining(&first, TRUE);
13837 if (first.useColors) {
13838 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13840 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13841 SetMachineThinkingEnables();
13842 first.maybeThinking = TRUE;
13846 if (appData.autoFlipView && !flipView) {
13847 flipView = !flipView;
13848 DrawPosition(FALSE, NULL);
13849 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13852 if(bookHit) { // [HGM] book: simulate book reply
13853 static char bookMove[MSG_SIZ]; // a bit generous?
13855 programStats.nodes = programStats.depth = programStats.time =
13856 programStats.score = programStats.got_only_move = 0;
13857 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13859 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13860 strcat(bookMove, bookHit);
13861 HandleMachineMove(bookMove, &first);
13866 MachineBlackEvent ()
13869 char *bookHit = NULL;
13871 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13875 if (gameMode == PlayFromGameFile ||
13876 gameMode == TwoMachinesPlay ||
13877 gameMode == Training ||
13878 gameMode == AnalyzeMode ||
13879 gameMode == EndOfGame)
13882 if (gameMode == EditPosition)
13883 EditPositionDone(TRUE);
13885 if (WhiteOnMove(currentMove)) {
13886 DisplayError(_("It is not Black's turn"), 0);
13890 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13893 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13894 gameMode == AnalyzeFile)
13897 ResurrectChessProgram(); /* in case it isn't running */
13898 gameMode = MachinePlaysBlack;
13902 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13904 if (first.sendName) {
13905 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13906 SendToProgram(buf, &first);
13908 if (first.sendTime) {
13909 if (first.useColors) {
13910 SendToProgram("white\n", &first); /*gnu kludge*/
13912 SendTimeRemaining(&first, FALSE);
13914 if (first.useColors) {
13915 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13917 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13918 SetMachineThinkingEnables();
13919 first.maybeThinking = TRUE;
13922 if (appData.autoFlipView && flipView) {
13923 flipView = !flipView;
13924 DrawPosition(FALSE, NULL);
13925 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13927 if(bookHit) { // [HGM] book: simulate book reply
13928 static char bookMove[MSG_SIZ]; // a bit generous?
13930 programStats.nodes = programStats.depth = programStats.time =
13931 programStats.score = programStats.got_only_move = 0;
13932 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13934 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13935 strcat(bookMove, bookHit);
13936 HandleMachineMove(bookMove, &first);
13942 DisplayTwoMachinesTitle ()
13945 if (appData.matchGames > 0) {
13946 if(appData.tourneyFile[0]) {
13947 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13948 gameInfo.white, _("vs."), gameInfo.black,
13949 nextGame+1, appData.matchGames+1,
13950 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13952 if (first.twoMachinesColor[0] == 'w') {
13953 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13954 gameInfo.white, _("vs."), gameInfo.black,
13955 first.matchWins, second.matchWins,
13956 matchGame - 1 - (first.matchWins + second.matchWins));
13958 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13959 gameInfo.white, _("vs."), gameInfo.black,
13960 second.matchWins, first.matchWins,
13961 matchGame - 1 - (first.matchWins + second.matchWins));
13964 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13970 SettingsMenuIfReady ()
13972 if (second.lastPing != second.lastPong) {
13973 DisplayMessage("", _("Waiting for second chess program"));
13974 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13978 DisplayMessage("", "");
13979 SettingsPopUp(&second);
13983 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13986 if (cps->pr == NoProc) {
13987 StartChessProgram(cps);
13988 if (cps->protocolVersion == 1) {
13990 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
13992 /* kludge: allow timeout for initial "feature" command */
13993 if(retry != TwoMachinesEventIfReady) FreezeUI();
13994 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13995 DisplayMessage("", buf);
13996 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14004 TwoMachinesEvent P((void))
14008 ChessProgramState *onmove;
14009 char *bookHit = NULL;
14010 static int stalling = 0;
14014 if (appData.noChessProgram) return;
14016 switch (gameMode) {
14017 case TwoMachinesPlay:
14019 case MachinePlaysWhite:
14020 case MachinePlaysBlack:
14021 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14022 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14026 case BeginningOfGame:
14027 case PlayFromGameFile:
14030 if (gameMode != EditGame) return;
14033 EditPositionDone(TRUE);
14044 // forwardMostMove = currentMove;
14045 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14046 startingEngine = TRUE;
14048 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14050 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14051 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14052 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14055 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14057 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14058 startingEngine = FALSE;
14059 DisplayError("second engine does not play this", 0);
14064 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14065 SendToProgram("force\n", &second);
14067 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14070 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14071 if(appData.matchPause>10000 || appData.matchPause<10)
14072 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14073 wait = SubtractTimeMarks(&now, &pauseStart);
14074 if(wait < appData.matchPause) {
14075 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14078 // we are now committed to starting the game
14080 DisplayMessage("", "");
14081 if (startedFromSetupPosition) {
14082 SendBoard(&second, backwardMostMove);
14083 if (appData.debugMode) {
14084 fprintf(debugFP, "Two Machines\n");
14087 for (i = backwardMostMove; i < forwardMostMove; i++) {
14088 SendMoveToProgram(i, &second);
14091 gameMode = TwoMachinesPlay;
14092 pausing = startingEngine = FALSE;
14093 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14095 DisplayTwoMachinesTitle();
14097 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14102 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14103 SendToProgram(first.computerString, &first);
14104 if (first.sendName) {
14105 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14106 SendToProgram(buf, &first);
14108 SendToProgram(second.computerString, &second);
14109 if (second.sendName) {
14110 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14111 SendToProgram(buf, &second);
14115 if (!first.sendTime || !second.sendTime) {
14116 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14117 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14119 if (onmove->sendTime) {
14120 if (onmove->useColors) {
14121 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14123 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14125 if (onmove->useColors) {
14126 SendToProgram(onmove->twoMachinesColor, onmove);
14128 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14129 // SendToProgram("go\n", onmove);
14130 onmove->maybeThinking = TRUE;
14131 SetMachineThinkingEnables();
14135 if(bookHit) { // [HGM] book: simulate book reply
14136 static char bookMove[MSG_SIZ]; // a bit generous?
14138 programStats.nodes = programStats.depth = programStats.time =
14139 programStats.score = programStats.got_only_move = 0;
14140 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14142 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14143 strcat(bookMove, bookHit);
14144 savedMessage = bookMove; // args for deferred call
14145 savedState = onmove;
14146 ScheduleDelayedEvent(DeferredBookMove, 1);
14153 if (gameMode == Training) {
14154 SetTrainingModeOff();
14155 gameMode = PlayFromGameFile;
14156 DisplayMessage("", _("Training mode off"));
14158 gameMode = Training;
14159 animateTraining = appData.animate;
14161 /* make sure we are not already at the end of the game */
14162 if (currentMove < forwardMostMove) {
14163 SetTrainingModeOn();
14164 DisplayMessage("", _("Training mode on"));
14166 gameMode = PlayFromGameFile;
14167 DisplayError(_("Already at end of game"), 0);
14176 if (!appData.icsActive) return;
14177 switch (gameMode) {
14178 case IcsPlayingWhite:
14179 case IcsPlayingBlack:
14182 case BeginningOfGame:
14190 EditPositionDone(TRUE);
14203 gameMode = IcsIdle;
14213 switch (gameMode) {
14215 SetTrainingModeOff();
14217 case MachinePlaysWhite:
14218 case MachinePlaysBlack:
14219 case BeginningOfGame:
14220 SendToProgram("force\n", &first);
14221 SetUserThinkingEnables();
14223 case PlayFromGameFile:
14224 (void) StopLoadGameTimer();
14225 if (gameFileFP != NULL) {
14230 EditPositionDone(TRUE);
14235 SendToProgram("force\n", &first);
14237 case TwoMachinesPlay:
14238 GameEnds(EndOfFile, NULL, GE_PLAYER);
14239 ResurrectChessProgram();
14240 SetUserThinkingEnables();
14243 ResurrectChessProgram();
14245 case IcsPlayingBlack:
14246 case IcsPlayingWhite:
14247 DisplayError(_("Warning: You are still playing a game"), 0);
14250 DisplayError(_("Warning: You are still observing a game"), 0);
14253 DisplayError(_("Warning: You are still examining a game"), 0);
14264 first.offeredDraw = second.offeredDraw = 0;
14266 if (gameMode == PlayFromGameFile) {
14267 whiteTimeRemaining = timeRemaining[0][currentMove];
14268 blackTimeRemaining = timeRemaining[1][currentMove];
14272 if (gameMode == MachinePlaysWhite ||
14273 gameMode == MachinePlaysBlack ||
14274 gameMode == TwoMachinesPlay ||
14275 gameMode == EndOfGame) {
14276 i = forwardMostMove;
14277 while (i > currentMove) {
14278 SendToProgram("undo\n", &first);
14281 if(!adjustedClock) {
14282 whiteTimeRemaining = timeRemaining[0][currentMove];
14283 blackTimeRemaining = timeRemaining[1][currentMove];
14284 DisplayBothClocks();
14286 if (whiteFlag || blackFlag) {
14287 whiteFlag = blackFlag = 0;
14292 gameMode = EditGame;
14299 EditPositionEvent ()
14301 if (gameMode == EditPosition) {
14307 if (gameMode != EditGame) return;
14309 gameMode = EditPosition;
14312 if (currentMove > 0)
14313 CopyBoard(boards[0], boards[currentMove]);
14315 blackPlaysFirst = !WhiteOnMove(currentMove);
14317 currentMove = forwardMostMove = backwardMostMove = 0;
14318 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14320 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14326 /* [DM] icsEngineAnalyze - possible call from other functions */
14327 if (appData.icsEngineAnalyze) {
14328 appData.icsEngineAnalyze = FALSE;
14330 DisplayMessage("",_("Close ICS engine analyze..."));
14332 if (first.analysisSupport && first.analyzing) {
14333 SendToBoth("exit\n");
14334 first.analyzing = second.analyzing = FALSE;
14336 thinkOutput[0] = NULLCHAR;
14340 EditPositionDone (Boolean fakeRights)
14342 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14344 startedFromSetupPosition = TRUE;
14345 InitChessProgram(&first, FALSE);
14346 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14347 boards[0][EP_STATUS] = EP_NONE;
14348 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14349 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14350 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14351 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14352 } else boards[0][CASTLING][2] = NoRights;
14353 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14354 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14355 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14356 } else boards[0][CASTLING][5] = NoRights;
14357 if(gameInfo.variant == VariantSChess) {
14359 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14360 boards[0][VIRGIN][i] = 0;
14361 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14362 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14366 SendToProgram("force\n", &first);
14367 if (blackPlaysFirst) {
14368 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14369 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14370 currentMove = forwardMostMove = backwardMostMove = 1;
14371 CopyBoard(boards[1], boards[0]);
14373 currentMove = forwardMostMove = backwardMostMove = 0;
14375 SendBoard(&first, forwardMostMove);
14376 if (appData.debugMode) {
14377 fprintf(debugFP, "EditPosDone\n");
14380 DisplayMessage("", "");
14381 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14382 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14383 gameMode = EditGame;
14385 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14386 ClearHighlights(); /* [AS] */
14389 /* Pause for `ms' milliseconds */
14390 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14392 TimeDelay (long ms)
14399 } while (SubtractTimeMarks(&m2, &m1) < ms);
14402 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14404 SendMultiLineToICS (char *buf)
14406 char temp[MSG_SIZ+1], *p;
14413 strncpy(temp, buf, len);
14418 if (*p == '\n' || *p == '\r')
14423 strcat(temp, "\n");
14425 SendToPlayer(temp, strlen(temp));
14429 SetWhiteToPlayEvent ()
14431 if (gameMode == EditPosition) {
14432 blackPlaysFirst = FALSE;
14433 DisplayBothClocks(); /* works because currentMove is 0 */
14434 } else if (gameMode == IcsExamining) {
14435 SendToICS(ics_prefix);
14436 SendToICS("tomove white\n");
14441 SetBlackToPlayEvent ()
14443 if (gameMode == EditPosition) {
14444 blackPlaysFirst = TRUE;
14445 currentMove = 1; /* kludge */
14446 DisplayBothClocks();
14448 } else if (gameMode == IcsExamining) {
14449 SendToICS(ics_prefix);
14450 SendToICS("tomove black\n");
14455 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14458 ChessSquare piece = boards[0][y][x];
14460 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14462 switch (selection) {
14464 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14465 SendToICS(ics_prefix);
14466 SendToICS("bsetup clear\n");
14467 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14468 SendToICS(ics_prefix);
14469 SendToICS("clearboard\n");
14471 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14472 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14473 for (y = 0; y < BOARD_HEIGHT; y++) {
14474 if (gameMode == IcsExamining) {
14475 if (boards[currentMove][y][x] != EmptySquare) {
14476 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14481 boards[0][y][x] = p;
14486 if (gameMode == EditPosition) {
14487 DrawPosition(FALSE, boards[0]);
14492 SetWhiteToPlayEvent();
14496 SetBlackToPlayEvent();
14500 if (gameMode == IcsExamining) {
14501 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14502 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14505 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14506 if(x == BOARD_LEFT-2) {
14507 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14508 boards[0][y][1] = 0;
14510 if(x == BOARD_RGHT+1) {
14511 if(y >= gameInfo.holdingsSize) break;
14512 boards[0][y][BOARD_WIDTH-2] = 0;
14515 boards[0][y][x] = EmptySquare;
14516 DrawPosition(FALSE, boards[0]);
14521 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14522 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14523 selection = (ChessSquare) (PROMOTED piece);
14524 } else if(piece == EmptySquare) selection = WhiteSilver;
14525 else selection = (ChessSquare)((int)piece - 1);
14529 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14530 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14531 selection = (ChessSquare) (DEMOTED piece);
14532 } else if(piece == EmptySquare) selection = BlackSilver;
14533 else selection = (ChessSquare)((int)piece + 1);
14538 if(gameInfo.variant == VariantShatranj ||
14539 gameInfo.variant == VariantXiangqi ||
14540 gameInfo.variant == VariantCourier ||
14541 gameInfo.variant == VariantASEAN ||
14542 gameInfo.variant == VariantMakruk )
14543 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14548 if(gameInfo.variant == VariantXiangqi)
14549 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14550 if(gameInfo.variant == VariantKnightmate)
14551 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14554 if (gameMode == IcsExamining) {
14555 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14556 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14557 PieceToChar(selection), AAA + x, ONE + y);
14560 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14562 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14563 n = PieceToNumber(selection - BlackPawn);
14564 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14565 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14566 boards[0][BOARD_HEIGHT-1-n][1]++;
14568 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14569 n = PieceToNumber(selection);
14570 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14571 boards[0][n][BOARD_WIDTH-1] = selection;
14572 boards[0][n][BOARD_WIDTH-2]++;
14575 boards[0][y][x] = selection;
14576 DrawPosition(TRUE, boards[0]);
14578 fromX = fromY = -1;
14586 DropMenuEvent (ChessSquare selection, int x, int y)
14588 ChessMove moveType;
14590 switch (gameMode) {
14591 case IcsPlayingWhite:
14592 case MachinePlaysBlack:
14593 if (!WhiteOnMove(currentMove)) {
14594 DisplayMoveError(_("It is Black's turn"));
14597 moveType = WhiteDrop;
14599 case IcsPlayingBlack:
14600 case MachinePlaysWhite:
14601 if (WhiteOnMove(currentMove)) {
14602 DisplayMoveError(_("It is White's turn"));
14605 moveType = BlackDrop;
14608 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14614 if (moveType == BlackDrop && selection < BlackPawn) {
14615 selection = (ChessSquare) ((int) selection
14616 + (int) BlackPawn - (int) WhitePawn);
14618 if (boards[currentMove][y][x] != EmptySquare) {
14619 DisplayMoveError(_("That square is occupied"));
14623 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14629 /* Accept a pending offer of any kind from opponent */
14631 if (appData.icsActive) {
14632 SendToICS(ics_prefix);
14633 SendToICS("accept\n");
14634 } else if (cmailMsgLoaded) {
14635 if (currentMove == cmailOldMove &&
14636 commentList[cmailOldMove] != NULL &&
14637 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14638 "Black offers a draw" : "White offers a draw")) {
14640 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14641 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14643 DisplayError(_("There is no pending offer on this move"), 0);
14644 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14647 /* Not used for offers from chess program */
14654 /* Decline a pending offer of any kind from opponent */
14656 if (appData.icsActive) {
14657 SendToICS(ics_prefix);
14658 SendToICS("decline\n");
14659 } else if (cmailMsgLoaded) {
14660 if (currentMove == cmailOldMove &&
14661 commentList[cmailOldMove] != NULL &&
14662 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14663 "Black offers a draw" : "White offers a draw")) {
14665 AppendComment(cmailOldMove, "Draw declined", TRUE);
14666 DisplayComment(cmailOldMove - 1, "Draw declined");
14669 DisplayError(_("There is no pending offer on this move"), 0);
14672 /* Not used for offers from chess program */
14679 /* Issue ICS rematch command */
14680 if (appData.icsActive) {
14681 SendToICS(ics_prefix);
14682 SendToICS("rematch\n");
14689 /* Call your opponent's flag (claim a win on time) */
14690 if (appData.icsActive) {
14691 SendToICS(ics_prefix);
14692 SendToICS("flag\n");
14694 switch (gameMode) {
14697 case MachinePlaysWhite:
14700 GameEnds(GameIsDrawn, "Both players ran out of time",
14703 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14705 DisplayError(_("Your opponent is not out of time"), 0);
14708 case MachinePlaysBlack:
14711 GameEnds(GameIsDrawn, "Both players ran out of time",
14714 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14716 DisplayError(_("Your opponent is not out of time"), 0);
14724 ClockClick (int which)
14725 { // [HGM] code moved to back-end from winboard.c
14726 if(which) { // black clock
14727 if (gameMode == EditPosition || gameMode == IcsExamining) {
14728 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14729 SetBlackToPlayEvent();
14730 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14731 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14732 } else if (shiftKey) {
14733 AdjustClock(which, -1);
14734 } else if (gameMode == IcsPlayingWhite ||
14735 gameMode == MachinePlaysBlack) {
14738 } else { // white clock
14739 if (gameMode == EditPosition || gameMode == IcsExamining) {
14740 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14741 SetWhiteToPlayEvent();
14742 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14743 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14744 } else if (shiftKey) {
14745 AdjustClock(which, -1);
14746 } else if (gameMode == IcsPlayingBlack ||
14747 gameMode == MachinePlaysWhite) {
14756 /* Offer draw or accept pending draw offer from opponent */
14758 if (appData.icsActive) {
14759 /* Note: tournament rules require draw offers to be
14760 made after you make your move but before you punch
14761 your clock. Currently ICS doesn't let you do that;
14762 instead, you immediately punch your clock after making
14763 a move, but you can offer a draw at any time. */
14765 SendToICS(ics_prefix);
14766 SendToICS("draw\n");
14767 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14768 } else if (cmailMsgLoaded) {
14769 if (currentMove == cmailOldMove &&
14770 commentList[cmailOldMove] != NULL &&
14771 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14772 "Black offers a draw" : "White offers a draw")) {
14773 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14774 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14775 } else if (currentMove == cmailOldMove + 1) {
14776 char *offer = WhiteOnMove(cmailOldMove) ?
14777 "White offers a draw" : "Black offers a draw";
14778 AppendComment(currentMove, offer, TRUE);
14779 DisplayComment(currentMove - 1, offer);
14780 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14782 DisplayError(_("You must make your move before offering a draw"), 0);
14783 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14785 } else if (first.offeredDraw) {
14786 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14788 if (first.sendDrawOffers) {
14789 SendToProgram("draw\n", &first);
14790 userOfferedDraw = TRUE;
14798 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14800 if (appData.icsActive) {
14801 SendToICS(ics_prefix);
14802 SendToICS("adjourn\n");
14804 /* Currently GNU Chess doesn't offer or accept Adjourns */
14812 /* Offer Abort or accept pending Abort offer from opponent */
14814 if (appData.icsActive) {
14815 SendToICS(ics_prefix);
14816 SendToICS("abort\n");
14818 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14825 /* Resign. You can do this even if it's not your turn. */
14827 if (appData.icsActive) {
14828 SendToICS(ics_prefix);
14829 SendToICS("resign\n");
14831 switch (gameMode) {
14832 case MachinePlaysWhite:
14833 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14835 case MachinePlaysBlack:
14836 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14839 if (cmailMsgLoaded) {
14841 if (WhiteOnMove(cmailOldMove)) {
14842 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14844 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14846 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14857 StopObservingEvent ()
14859 /* Stop observing current games */
14860 SendToICS(ics_prefix);
14861 SendToICS("unobserve\n");
14865 StopExaminingEvent ()
14867 /* Stop observing current game */
14868 SendToICS(ics_prefix);
14869 SendToICS("unexamine\n");
14873 ForwardInner (int target)
14875 int limit; int oldSeekGraphUp = seekGraphUp;
14877 if (appData.debugMode)
14878 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14879 target, currentMove, forwardMostMove);
14881 if (gameMode == EditPosition)
14884 seekGraphUp = FALSE;
14885 MarkTargetSquares(1);
14887 if (gameMode == PlayFromGameFile && !pausing)
14890 if (gameMode == IcsExamining && pausing)
14891 limit = pauseExamForwardMostMove;
14893 limit = forwardMostMove;
14895 if (target > limit) target = limit;
14897 if (target > 0 && moveList[target - 1][0]) {
14898 int fromX, fromY, toX, toY;
14899 toX = moveList[target - 1][2] - AAA;
14900 toY = moveList[target - 1][3] - ONE;
14901 if (moveList[target - 1][1] == '@') {
14902 if (appData.highlightLastMove) {
14903 SetHighlights(-1, -1, toX, toY);
14906 fromX = moveList[target - 1][0] - AAA;
14907 fromY = moveList[target - 1][1] - ONE;
14908 if (target == currentMove + 1) {
14909 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14911 if (appData.highlightLastMove) {
14912 SetHighlights(fromX, fromY, toX, toY);
14916 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14917 gameMode == Training || gameMode == PlayFromGameFile ||
14918 gameMode == AnalyzeFile) {
14919 while (currentMove < target) {
14920 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14921 SendMoveToProgram(currentMove++, &first);
14924 currentMove = target;
14927 if (gameMode == EditGame || gameMode == EndOfGame) {
14928 whiteTimeRemaining = timeRemaining[0][currentMove];
14929 blackTimeRemaining = timeRemaining[1][currentMove];
14931 DisplayBothClocks();
14932 DisplayMove(currentMove - 1);
14933 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14934 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14935 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14936 DisplayComment(currentMove - 1, commentList[currentMove]);
14938 ClearMap(); // [HGM] exclude: invalidate map
14945 if (gameMode == IcsExamining && !pausing) {
14946 SendToICS(ics_prefix);
14947 SendToICS("forward\n");
14949 ForwardInner(currentMove + 1);
14956 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14957 /* to optimze, we temporarily turn off analysis mode while we feed
14958 * the remaining moves to the engine. Otherwise we get analysis output
14961 if (first.analysisSupport) {
14962 SendToProgram("exit\nforce\n", &first);
14963 first.analyzing = FALSE;
14967 if (gameMode == IcsExamining && !pausing) {
14968 SendToICS(ics_prefix);
14969 SendToICS("forward 999999\n");
14971 ForwardInner(forwardMostMove);
14974 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14975 /* we have fed all the moves, so reactivate analysis mode */
14976 SendToProgram("analyze\n", &first);
14977 first.analyzing = TRUE;
14978 /*first.maybeThinking = TRUE;*/
14979 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14984 BackwardInner (int target)
14986 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14988 if (appData.debugMode)
14989 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14990 target, currentMove, forwardMostMove);
14992 if (gameMode == EditPosition) return;
14993 seekGraphUp = FALSE;
14994 MarkTargetSquares(1);
14995 if (currentMove <= backwardMostMove) {
14997 DrawPosition(full_redraw, boards[currentMove]);
15000 if (gameMode == PlayFromGameFile && !pausing)
15003 if (moveList[target][0]) {
15004 int fromX, fromY, toX, toY;
15005 toX = moveList[target][2] - AAA;
15006 toY = moveList[target][3] - ONE;
15007 if (moveList[target][1] == '@') {
15008 if (appData.highlightLastMove) {
15009 SetHighlights(-1, -1, toX, toY);
15012 fromX = moveList[target][0] - AAA;
15013 fromY = moveList[target][1] - ONE;
15014 if (target == currentMove - 1) {
15015 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15017 if (appData.highlightLastMove) {
15018 SetHighlights(fromX, fromY, toX, toY);
15022 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15023 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15024 while (currentMove > target) {
15025 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15026 // null move cannot be undone. Reload program with move history before it.
15028 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15029 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15031 SendBoard(&first, i);
15032 if(second.analyzing) SendBoard(&second, i);
15033 for(currentMove=i; currentMove<target; currentMove++) {
15034 SendMoveToProgram(currentMove, &first);
15035 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15039 SendToBoth("undo\n");
15043 currentMove = target;
15046 if (gameMode == EditGame || gameMode == EndOfGame) {
15047 whiteTimeRemaining = timeRemaining[0][currentMove];
15048 blackTimeRemaining = timeRemaining[1][currentMove];
15050 DisplayBothClocks();
15051 DisplayMove(currentMove - 1);
15052 DrawPosition(full_redraw, boards[currentMove]);
15053 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15054 // [HGM] PV info: routine tests if comment empty
15055 DisplayComment(currentMove - 1, commentList[currentMove]);
15056 ClearMap(); // [HGM] exclude: invalidate map
15062 if (gameMode == IcsExamining && !pausing) {
15063 SendToICS(ics_prefix);
15064 SendToICS("backward\n");
15066 BackwardInner(currentMove - 1);
15073 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15074 /* to optimize, we temporarily turn off analysis mode while we undo
15075 * all the moves. Otherwise we get analysis output after each undo.
15077 if (first.analysisSupport) {
15078 SendToProgram("exit\nforce\n", &first);
15079 first.analyzing = FALSE;
15083 if (gameMode == IcsExamining && !pausing) {
15084 SendToICS(ics_prefix);
15085 SendToICS("backward 999999\n");
15087 BackwardInner(backwardMostMove);
15090 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15091 /* we have fed all the moves, so reactivate analysis mode */
15092 SendToProgram("analyze\n", &first);
15093 first.analyzing = TRUE;
15094 /*first.maybeThinking = TRUE;*/
15095 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15102 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15103 if (to >= forwardMostMove) to = forwardMostMove;
15104 if (to <= backwardMostMove) to = backwardMostMove;
15105 if (to < currentMove) {
15113 RevertEvent (Boolean annotate)
15115 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15118 if (gameMode != IcsExamining) {
15119 DisplayError(_("You are not examining a game"), 0);
15123 DisplayError(_("You can't revert while pausing"), 0);
15126 SendToICS(ics_prefix);
15127 SendToICS("revert\n");
15131 RetractMoveEvent ()
15133 switch (gameMode) {
15134 case MachinePlaysWhite:
15135 case MachinePlaysBlack:
15136 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15137 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15140 if (forwardMostMove < 2) return;
15141 currentMove = forwardMostMove = forwardMostMove - 2;
15142 whiteTimeRemaining = timeRemaining[0][currentMove];
15143 blackTimeRemaining = timeRemaining[1][currentMove];
15144 DisplayBothClocks();
15145 DisplayMove(currentMove - 1);
15146 ClearHighlights();/*!! could figure this out*/
15147 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15148 SendToProgram("remove\n", &first);
15149 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15152 case BeginningOfGame:
15156 case IcsPlayingWhite:
15157 case IcsPlayingBlack:
15158 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15159 SendToICS(ics_prefix);
15160 SendToICS("takeback 2\n");
15162 SendToICS(ics_prefix);
15163 SendToICS("takeback 1\n");
15172 ChessProgramState *cps;
15174 switch (gameMode) {
15175 case MachinePlaysWhite:
15176 if (!WhiteOnMove(forwardMostMove)) {
15177 DisplayError(_("It is your turn"), 0);
15182 case MachinePlaysBlack:
15183 if (WhiteOnMove(forwardMostMove)) {
15184 DisplayError(_("It is your turn"), 0);
15189 case TwoMachinesPlay:
15190 if (WhiteOnMove(forwardMostMove) ==
15191 (first.twoMachinesColor[0] == 'w')) {
15197 case BeginningOfGame:
15201 SendToProgram("?\n", cps);
15205 TruncateGameEvent ()
15208 if (gameMode != EditGame) return;
15215 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15216 if (forwardMostMove > currentMove) {
15217 if (gameInfo.resultDetails != NULL) {
15218 free(gameInfo.resultDetails);
15219 gameInfo.resultDetails = NULL;
15220 gameInfo.result = GameUnfinished;
15222 forwardMostMove = currentMove;
15223 HistorySet(parseList, backwardMostMove, forwardMostMove,
15231 if (appData.noChessProgram) return;
15232 switch (gameMode) {
15233 case MachinePlaysWhite:
15234 if (WhiteOnMove(forwardMostMove)) {
15235 DisplayError(_("Wait until your turn"), 0);
15239 case BeginningOfGame:
15240 case MachinePlaysBlack:
15241 if (!WhiteOnMove(forwardMostMove)) {
15242 DisplayError(_("Wait until your turn"), 0);
15247 DisplayError(_("No hint available"), 0);
15250 SendToProgram("hint\n", &first);
15251 hintRequested = TRUE;
15257 ListGame * lg = (ListGame *) gameList.head;
15260 static int secondTime = FALSE;
15262 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15263 DisplayError(_("Game list not loaded or empty"), 0);
15267 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15270 DisplayNote(_("Book file exists! Try again for overwrite."));
15274 creatingBook = TRUE;
15275 secondTime = FALSE;
15277 /* Get list size */
15278 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15279 LoadGame(f, nItem, "", TRUE);
15280 AddGameToBook(TRUE);
15281 lg = (ListGame *) lg->node.succ;
15284 creatingBook = FALSE;
15291 if (appData.noChessProgram) return;
15292 switch (gameMode) {
15293 case MachinePlaysWhite:
15294 if (WhiteOnMove(forwardMostMove)) {
15295 DisplayError(_("Wait until your turn"), 0);
15299 case BeginningOfGame:
15300 case MachinePlaysBlack:
15301 if (!WhiteOnMove(forwardMostMove)) {
15302 DisplayError(_("Wait until your turn"), 0);
15307 EditPositionDone(TRUE);
15309 case TwoMachinesPlay:
15314 SendToProgram("bk\n", &first);
15315 bookOutput[0] = NULLCHAR;
15316 bookRequested = TRUE;
15322 char *tags = PGNTags(&gameInfo);
15323 TagsPopUp(tags, CmailMsg());
15327 /* end button procedures */
15330 PrintPosition (FILE *fp, int move)
15334 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15335 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15336 char c = PieceToChar(boards[move][i][j]);
15337 fputc(c == 'x' ? '.' : c, fp);
15338 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15341 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15342 fprintf(fp, "white to play\n");
15344 fprintf(fp, "black to play\n");
15348 PrintOpponents (FILE *fp)
15350 if (gameInfo.white != NULL) {
15351 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15357 /* Find last component of program's own name, using some heuristics */
15359 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15362 int local = (strcmp(host, "localhost") == 0);
15363 while (!local && (p = strchr(prog, ';')) != NULL) {
15365 while (*p == ' ') p++;
15368 if (*prog == '"' || *prog == '\'') {
15369 q = strchr(prog + 1, *prog);
15371 q = strchr(prog, ' ');
15373 if (q == NULL) q = prog + strlen(prog);
15375 while (p >= prog && *p != '/' && *p != '\\') p--;
15377 if(p == prog && *p == '"') p++;
15379 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15380 memcpy(buf, p, q - p);
15381 buf[q - p] = NULLCHAR;
15389 TimeControlTagValue ()
15392 if (!appData.clockMode) {
15393 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15394 } else if (movesPerSession > 0) {
15395 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15396 } else if (timeIncrement == 0) {
15397 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15399 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15401 return StrSave(buf);
15407 /* This routine is used only for certain modes */
15408 VariantClass v = gameInfo.variant;
15409 ChessMove r = GameUnfinished;
15412 if(keepInfo) return;
15414 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15415 r = gameInfo.result;
15416 p = gameInfo.resultDetails;
15417 gameInfo.resultDetails = NULL;
15419 ClearGameInfo(&gameInfo);
15420 gameInfo.variant = v;
15422 switch (gameMode) {
15423 case MachinePlaysWhite:
15424 gameInfo.event = StrSave( appData.pgnEventHeader );
15425 gameInfo.site = StrSave(HostName());
15426 gameInfo.date = PGNDate();
15427 gameInfo.round = StrSave("-");
15428 gameInfo.white = StrSave(first.tidy);
15429 gameInfo.black = StrSave(UserName());
15430 gameInfo.timeControl = TimeControlTagValue();
15433 case MachinePlaysBlack:
15434 gameInfo.event = StrSave( appData.pgnEventHeader );
15435 gameInfo.site = StrSave(HostName());
15436 gameInfo.date = PGNDate();
15437 gameInfo.round = StrSave("-");
15438 gameInfo.white = StrSave(UserName());
15439 gameInfo.black = StrSave(first.tidy);
15440 gameInfo.timeControl = TimeControlTagValue();
15443 case TwoMachinesPlay:
15444 gameInfo.event = StrSave( appData.pgnEventHeader );
15445 gameInfo.site = StrSave(HostName());
15446 gameInfo.date = PGNDate();
15449 snprintf(buf, MSG_SIZ, "%d", roundNr);
15450 gameInfo.round = StrSave(buf);
15452 gameInfo.round = StrSave("-");
15454 if (first.twoMachinesColor[0] == 'w') {
15455 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15456 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15458 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15459 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15461 gameInfo.timeControl = TimeControlTagValue();
15465 gameInfo.event = StrSave("Edited game");
15466 gameInfo.site = StrSave(HostName());
15467 gameInfo.date = PGNDate();
15468 gameInfo.round = StrSave("-");
15469 gameInfo.white = StrSave("-");
15470 gameInfo.black = StrSave("-");
15471 gameInfo.result = r;
15472 gameInfo.resultDetails = p;
15476 gameInfo.event = StrSave("Edited position");
15477 gameInfo.site = StrSave(HostName());
15478 gameInfo.date = PGNDate();
15479 gameInfo.round = StrSave("-");
15480 gameInfo.white = StrSave("-");
15481 gameInfo.black = StrSave("-");
15484 case IcsPlayingWhite:
15485 case IcsPlayingBlack:
15490 case PlayFromGameFile:
15491 gameInfo.event = StrSave("Game from non-PGN file");
15492 gameInfo.site = StrSave(HostName());
15493 gameInfo.date = PGNDate();
15494 gameInfo.round = StrSave("-");
15495 gameInfo.white = StrSave("?");
15496 gameInfo.black = StrSave("?");
15505 ReplaceComment (int index, char *text)
15511 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15512 pvInfoList[index-1].depth == len &&
15513 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15514 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15515 while (*text == '\n') text++;
15516 len = strlen(text);
15517 while (len > 0 && text[len - 1] == '\n') len--;
15519 if (commentList[index] != NULL)
15520 free(commentList[index]);
15523 commentList[index] = NULL;
15526 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15527 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15528 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15529 commentList[index] = (char *) malloc(len + 2);
15530 strncpy(commentList[index], text, len);
15531 commentList[index][len] = '\n';
15532 commentList[index][len + 1] = NULLCHAR;
15534 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15536 commentList[index] = (char *) malloc(len + 7);
15537 safeStrCpy(commentList[index], "{\n", 3);
15538 safeStrCpy(commentList[index]+2, text, len+1);
15539 commentList[index][len+2] = NULLCHAR;
15540 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15541 strcat(commentList[index], "\n}\n");
15546 CrushCRs (char *text)
15554 if (ch == '\r') continue;
15556 } while (ch != '\0');
15560 AppendComment (int index, char *text, Boolean addBraces)
15561 /* addBraces tells if we should add {} */
15566 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15567 if(addBraces == 3) addBraces = 0; else // force appending literally
15568 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15571 while (*text == '\n') text++;
15572 len = strlen(text);
15573 while (len > 0 && text[len - 1] == '\n') len--;
15574 text[len] = NULLCHAR;
15576 if (len == 0) return;
15578 if (commentList[index] != NULL) {
15579 Boolean addClosingBrace = addBraces;
15580 old = commentList[index];
15581 oldlen = strlen(old);
15582 while(commentList[index][oldlen-1] == '\n')
15583 commentList[index][--oldlen] = NULLCHAR;
15584 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15585 safeStrCpy(commentList[index], old, oldlen + len + 6);
15587 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15588 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15589 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15590 while (*text == '\n') { text++; len--; }
15591 commentList[index][--oldlen] = NULLCHAR;
15593 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15594 else strcat(commentList[index], "\n");
15595 strcat(commentList[index], text);
15596 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15597 else strcat(commentList[index], "\n");
15599 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15601 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15602 else commentList[index][0] = NULLCHAR;
15603 strcat(commentList[index], text);
15604 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15605 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15610 FindStr (char * text, char * sub_text)
15612 char * result = strstr( text, sub_text );
15614 if( result != NULL ) {
15615 result += strlen( sub_text );
15621 /* [AS] Try to extract PV info from PGN comment */
15622 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15624 GetInfoFromComment (int index, char * text)
15626 char * sep = text, *p;
15628 if( text != NULL && index > 0 ) {
15631 int time = -1, sec = 0, deci;
15632 char * s_eval = FindStr( text, "[%eval " );
15633 char * s_emt = FindStr( text, "[%emt " );
15635 if( s_eval != NULL || s_emt != NULL ) {
15637 if(0) { // [HGM] this code is not finished, and could actually be detrimental
15642 if( s_eval != NULL ) {
15643 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15647 if( delim != ']' ) {
15652 if( s_emt != NULL ) {
15657 /* We expect something like: [+|-]nnn.nn/dd */
15660 if(*text != '{') return text; // [HGM] braces: must be normal comment
15662 sep = strchr( text, '/' );
15663 if( sep == NULL || sep < (text+4) ) {
15668 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
15669 if(p[1] == '(') { // comment starts with PV
15670 p = strchr(p, ')'); // locate end of PV
15671 if(p == NULL || sep < p+5) return text;
15672 // at this point we have something like "{(.*) +0.23/6 ..."
15673 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15674 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15675 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15677 time = -1; sec = -1; deci = -1;
15678 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15679 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15680 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15681 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15685 if( score_lo < 0 || score_lo >= 100 ) {
15689 if(sec >= 0) time = 600*time + 10*sec; else
15690 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15692 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
15694 /* [HGM] PV time: now locate end of PV info */
15695 while( *++sep >= '0' && *sep <= '9'); // strip depth
15697 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15699 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15701 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15702 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15713 pvInfoList[index-1].depth = depth;
15714 pvInfoList[index-1].score = score;
15715 pvInfoList[index-1].time = 10*time; // centi-sec
15716 if(*sep == '}') *sep = 0; else *--sep = '{';
15717 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15723 SendToProgram (char *message, ChessProgramState *cps)
15725 int count, outCount, error;
15728 if (cps->pr == NoProc) return;
15731 if (appData.debugMode) {
15734 fprintf(debugFP, "%ld >%-6s: %s",
15735 SubtractTimeMarks(&now, &programStartTime),
15736 cps->which, message);
15738 fprintf(serverFP, "%ld >%-6s: %s",
15739 SubtractTimeMarks(&now, &programStartTime),
15740 cps->which, message), fflush(serverFP);
15743 count = strlen(message);
15744 outCount = OutputToProcess(cps->pr, message, count, &error);
15745 if (outCount < count && !exiting
15746 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15747 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15748 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15749 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15750 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15751 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15752 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15753 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15755 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15756 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15757 gameInfo.result = res;
15759 gameInfo.resultDetails = StrSave(buf);
15761 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15762 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15767 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15771 ChessProgramState *cps = (ChessProgramState *)closure;
15773 if (isr != cps->isr) return; /* Killed intentionally */
15776 RemoveInputSource(cps->isr);
15777 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15778 _(cps->which), cps->program);
15779 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15780 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15781 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15782 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15783 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15784 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15786 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15787 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15788 gameInfo.result = res;
15790 gameInfo.resultDetails = StrSave(buf);
15792 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15793 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15795 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15796 _(cps->which), cps->program);
15797 RemoveInputSource(cps->isr);
15799 /* [AS] Program is misbehaving badly... kill it */
15800 if( count == -2 ) {
15801 DestroyChildProcess( cps->pr, 9 );
15805 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15810 if ((end_str = strchr(message, '\r')) != NULL)
15811 *end_str = NULLCHAR;
15812 if ((end_str = strchr(message, '\n')) != NULL)
15813 *end_str = NULLCHAR;
15815 if (appData.debugMode) {
15816 TimeMark now; int print = 1;
15817 char *quote = ""; char c; int i;
15819 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15820 char start = message[0];
15821 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15822 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15823 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15824 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15825 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15826 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15827 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15828 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15829 sscanf(message, "hint: %c", &c)!=1 &&
15830 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15831 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15832 print = (appData.engineComments >= 2);
15834 message[0] = start; // restore original message
15838 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15839 SubtractTimeMarks(&now, &programStartTime), cps->which,
15843 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15844 SubtractTimeMarks(&now, &programStartTime), cps->which,
15846 message), fflush(serverFP);
15850 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15851 if (appData.icsEngineAnalyze) {
15852 if (strstr(message, "whisper") != NULL ||
15853 strstr(message, "kibitz") != NULL ||
15854 strstr(message, "tellics") != NULL) return;
15857 HandleMachineMove(message, cps);
15862 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15867 if( timeControl_2 > 0 ) {
15868 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15869 tc = timeControl_2;
15872 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15873 inc /= cps->timeOdds;
15874 st /= cps->timeOdds;
15876 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15879 /* Set exact time per move, normally using st command */
15880 if (cps->stKludge) {
15881 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15883 if (seconds == 0) {
15884 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15886 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15889 snprintf(buf, MSG_SIZ, "st %d\n", st);
15892 /* Set conventional or incremental time control, using level command */
15893 if (seconds == 0) {
15894 /* Note old gnuchess bug -- minutes:seconds used to not work.
15895 Fixed in later versions, but still avoid :seconds
15896 when seconds is 0. */
15897 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15899 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15900 seconds, inc/1000.);
15903 SendToProgram(buf, cps);
15905 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15906 /* Orthogonally, limit search to given depth */
15908 if (cps->sdKludge) {
15909 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15911 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15913 SendToProgram(buf, cps);
15916 if(cps->nps >= 0) { /* [HGM] nps */
15917 if(cps->supportsNPS == FALSE)
15918 cps->nps = -1; // don't use if engine explicitly says not supported!
15920 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15921 SendToProgram(buf, cps);
15926 ChessProgramState *
15928 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15930 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15931 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15937 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15939 char message[MSG_SIZ];
15942 /* Note: this routine must be called when the clocks are stopped
15943 or when they have *just* been set or switched; otherwise
15944 it will be off by the time since the current tick started.
15946 if (machineWhite) {
15947 time = whiteTimeRemaining / 10;
15948 otime = blackTimeRemaining / 10;
15950 time = blackTimeRemaining / 10;
15951 otime = whiteTimeRemaining / 10;
15953 /* [HGM] translate opponent's time by time-odds factor */
15954 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15956 if (time <= 0) time = 1;
15957 if (otime <= 0) otime = 1;
15959 snprintf(message, MSG_SIZ, "time %ld\n", time);
15960 SendToProgram(message, cps);
15962 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15963 SendToProgram(message, cps);
15967 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15970 int len = strlen(name);
15973 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15975 sscanf(*p, "%d", &val);
15977 while (**p && **p != ' ')
15979 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15980 SendToProgram(buf, cps);
15987 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15990 int len = strlen(name);
15991 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15993 sscanf(*p, "%d", loc);
15994 while (**p && **p != ' ') (*p)++;
15995 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15996 SendToProgram(buf, cps);
16003 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16006 int len = strlen(name);
16007 if (strncmp((*p), name, len) == 0
16008 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16010 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16011 sscanf(*p, "%[^\"]", *loc);
16012 while (**p && **p != '\"') (*p)++;
16013 if (**p == '\"') (*p)++;
16014 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16015 SendToProgram(buf, cps);
16022 ParseOption (Option *opt, ChessProgramState *cps)
16023 // [HGM] options: process the string that defines an engine option, and determine
16024 // name, type, default value, and allowed value range
16026 char *p, *q, buf[MSG_SIZ];
16027 int n, min = (-1)<<31, max = 1<<31, def;
16029 if(p = strstr(opt->name, " -spin ")) {
16030 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16031 if(max < min) max = min; // enforce consistency
16032 if(def < min) def = min;
16033 if(def > max) def = max;
16038 } else if((p = strstr(opt->name, " -slider "))) {
16039 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16040 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16041 if(max < min) max = min; // enforce consistency
16042 if(def < min) def = min;
16043 if(def > max) def = max;
16047 opt->type = Spin; // Slider;
16048 } else if((p = strstr(opt->name, " -string "))) {
16049 opt->textValue = p+9;
16050 opt->type = TextBox;
16051 } else if((p = strstr(opt->name, " -file "))) {
16052 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16053 opt->textValue = p+7;
16054 opt->type = FileName; // FileName;
16055 } else if((p = strstr(opt->name, " -path "))) {
16056 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16057 opt->textValue = p+7;
16058 opt->type = PathName; // PathName;
16059 } else if(p = strstr(opt->name, " -check ")) {
16060 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16061 opt->value = (def != 0);
16062 opt->type = CheckBox;
16063 } else if(p = strstr(opt->name, " -combo ")) {
16064 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16065 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16066 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16067 opt->value = n = 0;
16068 while(q = StrStr(q, " /// ")) {
16069 n++; *q = 0; // count choices, and null-terminate each of them
16071 if(*q == '*') { // remember default, which is marked with * prefix
16075 cps->comboList[cps->comboCnt++] = q;
16077 cps->comboList[cps->comboCnt++] = NULL;
16079 opt->type = ComboBox;
16080 } else if(p = strstr(opt->name, " -button")) {
16081 opt->type = Button;
16082 } else if(p = strstr(opt->name, " -save")) {
16083 opt->type = SaveButton;
16084 } else return FALSE;
16085 *p = 0; // terminate option name
16086 // now look if the command-line options define a setting for this engine option.
16087 if(cps->optionSettings && cps->optionSettings[0])
16088 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16089 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16090 snprintf(buf, MSG_SIZ, "option %s", p);
16091 if(p = strstr(buf, ",")) *p = 0;
16092 if(q = strchr(buf, '=')) switch(opt->type) {
16094 for(n=0; n<opt->max; n++)
16095 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16098 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16102 opt->value = atoi(q+1);
16107 SendToProgram(buf, cps);
16113 FeatureDone (ChessProgramState *cps, int val)
16115 DelayedEventCallback cb = GetDelayedEvent();
16116 if ((cb == InitBackEnd3 && cps == &first) ||
16117 (cb == SettingsMenuIfReady && cps == &second) ||
16118 (cb == LoadEngine) ||
16119 (cb == TwoMachinesEventIfReady)) {
16120 CancelDelayedEvent();
16121 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16123 cps->initDone = val;
16124 if(val) cps->reload = FALSE;
16127 /* Parse feature command from engine */
16129 ParseFeatures (char *args, ChessProgramState *cps)
16137 while (*p == ' ') p++;
16138 if (*p == NULLCHAR) return;
16140 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16141 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16142 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16143 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16144 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16145 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16146 if (BoolFeature(&p, "reuse", &val, cps)) {
16147 /* Engine can disable reuse, but can't enable it if user said no */
16148 if (!val) cps->reuse = FALSE;
16151 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16152 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16153 if (gameMode == TwoMachinesPlay) {
16154 DisplayTwoMachinesTitle();
16160 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16161 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16162 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16163 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16164 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16165 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16166 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16167 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16168 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16169 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16170 if (IntFeature(&p, "done", &val, cps)) {
16171 FeatureDone(cps, val);
16174 /* Added by Tord: */
16175 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16176 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16177 /* End of additions by Tord */
16179 /* [HGM] added features: */
16180 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16181 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16182 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16183 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16184 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16185 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16186 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16187 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16188 FREE(cps->option[cps->nrOptions].name);
16189 cps->option[cps->nrOptions].name = q; q = NULL;
16190 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16191 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16192 SendToProgram(buf, cps);
16195 if(cps->nrOptions >= MAX_OPTIONS) {
16197 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16198 DisplayError(buf, 0);
16202 /* End of additions by HGM */
16204 /* unknown feature: complain and skip */
16206 while (*q && *q != '=') q++;
16207 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16208 SendToProgram(buf, cps);
16214 while (*p && *p != '\"') p++;
16215 if (*p == '\"') p++;
16217 while (*p && *p != ' ') p++;
16225 PeriodicUpdatesEvent (int newState)
16227 if (newState == appData.periodicUpdates)
16230 appData.periodicUpdates=newState;
16232 /* Display type changes, so update it now */
16233 // DisplayAnalysis();
16235 /* Get the ball rolling again... */
16237 AnalysisPeriodicEvent(1);
16238 StartAnalysisClock();
16243 PonderNextMoveEvent (int newState)
16245 if (newState == appData.ponderNextMove) return;
16246 if (gameMode == EditPosition) EditPositionDone(TRUE);
16248 SendToProgram("hard\n", &first);
16249 if (gameMode == TwoMachinesPlay) {
16250 SendToProgram("hard\n", &second);
16253 SendToProgram("easy\n", &first);
16254 thinkOutput[0] = NULLCHAR;
16255 if (gameMode == TwoMachinesPlay) {
16256 SendToProgram("easy\n", &second);
16259 appData.ponderNextMove = newState;
16263 NewSettingEvent (int option, int *feature, char *command, int value)
16267 if (gameMode == EditPosition) EditPositionDone(TRUE);
16268 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16269 if(feature == NULL || *feature) SendToProgram(buf, &first);
16270 if (gameMode == TwoMachinesPlay) {
16271 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16276 ShowThinkingEvent ()
16277 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16279 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16280 int newState = appData.showThinking
16281 // [HGM] thinking: other features now need thinking output as well
16282 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16284 if (oldState == newState) return;
16285 oldState = newState;
16286 if (gameMode == EditPosition) EditPositionDone(TRUE);
16288 SendToProgram("post\n", &first);
16289 if (gameMode == TwoMachinesPlay) {
16290 SendToProgram("post\n", &second);
16293 SendToProgram("nopost\n", &first);
16294 thinkOutput[0] = NULLCHAR;
16295 if (gameMode == TwoMachinesPlay) {
16296 SendToProgram("nopost\n", &second);
16299 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16303 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16305 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16306 if (pr == NoProc) return;
16307 AskQuestion(title, question, replyPrefix, pr);
16311 TypeInEvent (char firstChar)
16313 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16314 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16315 gameMode == AnalyzeMode || gameMode == EditGame ||
16316 gameMode == EditPosition || gameMode == IcsExamining ||
16317 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16318 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16319 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16320 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16321 gameMode == Training) PopUpMoveDialog(firstChar);
16325 TypeInDoneEvent (char *move)
16328 int n, fromX, fromY, toX, toY;
16330 ChessMove moveType;
16333 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16334 EditPositionPasteFEN(move);
16337 // [HGM] movenum: allow move number to be typed in any mode
16338 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16342 // undocumented kludge: allow command-line option to be typed in!
16343 // (potentially fatal, and does not implement the effect of the option.)
16344 // should only be used for options that are values on which future decisions will be made,
16345 // and definitely not on options that would be used during initialization.
16346 if(strstr(move, "!!! -") == move) {
16347 ParseArgsFromString(move+4);
16351 if (gameMode != EditGame && currentMove != forwardMostMove &&
16352 gameMode != Training) {
16353 DisplayMoveError(_("Displayed move is not current"));
16355 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16356 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16357 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16358 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16359 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16360 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16362 DisplayMoveError(_("Could not parse move"));
16368 DisplayMove (int moveNumber)
16370 char message[MSG_SIZ];
16372 char cpThinkOutput[MSG_SIZ];
16374 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16376 if (moveNumber == forwardMostMove - 1 ||
16377 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16379 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16381 if (strchr(cpThinkOutput, '\n')) {
16382 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16385 *cpThinkOutput = NULLCHAR;
16388 /* [AS] Hide thinking from human user */
16389 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16390 *cpThinkOutput = NULLCHAR;
16391 if( thinkOutput[0] != NULLCHAR ) {
16394 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16395 cpThinkOutput[i] = '.';
16397 cpThinkOutput[i] = NULLCHAR;
16398 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16402 if (moveNumber == forwardMostMove - 1 &&
16403 gameInfo.resultDetails != NULL) {
16404 if (gameInfo.resultDetails[0] == NULLCHAR) {
16405 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16407 snprintf(res, MSG_SIZ, " {%s} %s",
16408 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16414 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16415 DisplayMessage(res, cpThinkOutput);
16417 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16418 WhiteOnMove(moveNumber) ? " " : ".. ",
16419 parseList[moveNumber], res);
16420 DisplayMessage(message, cpThinkOutput);
16425 DisplayComment (int moveNumber, char *text)
16427 char title[MSG_SIZ];
16429 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16430 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16432 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16433 WhiteOnMove(moveNumber) ? " " : ".. ",
16434 parseList[moveNumber]);
16436 if (text != NULL && (appData.autoDisplayComment || commentUp))
16437 CommentPopUp(title, text);
16440 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16441 * might be busy thinking or pondering. It can be omitted if your
16442 * gnuchess is configured to stop thinking immediately on any user
16443 * input. However, that gnuchess feature depends on the FIONREAD
16444 * ioctl, which does not work properly on some flavors of Unix.
16447 Attention (ChessProgramState *cps)
16450 if (!cps->useSigint) return;
16451 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16452 switch (gameMode) {
16453 case MachinePlaysWhite:
16454 case MachinePlaysBlack:
16455 case TwoMachinesPlay:
16456 case IcsPlayingWhite:
16457 case IcsPlayingBlack:
16460 /* Skip if we know it isn't thinking */
16461 if (!cps->maybeThinking) return;
16462 if (appData.debugMode)
16463 fprintf(debugFP, "Interrupting %s\n", cps->which);
16464 InterruptChildProcess(cps->pr);
16465 cps->maybeThinking = FALSE;
16470 #endif /*ATTENTION*/
16476 if (whiteTimeRemaining <= 0) {
16479 if (appData.icsActive) {
16480 if (appData.autoCallFlag &&
16481 gameMode == IcsPlayingBlack && !blackFlag) {
16482 SendToICS(ics_prefix);
16483 SendToICS("flag\n");
16487 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16489 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16490 if (appData.autoCallFlag) {
16491 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16498 if (blackTimeRemaining <= 0) {
16501 if (appData.icsActive) {
16502 if (appData.autoCallFlag &&
16503 gameMode == IcsPlayingWhite && !whiteFlag) {
16504 SendToICS(ics_prefix);
16505 SendToICS("flag\n");
16509 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16511 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16512 if (appData.autoCallFlag) {
16513 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16524 CheckTimeControl ()
16526 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16527 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16530 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16532 if ( !WhiteOnMove(forwardMostMove) ) {
16533 /* White made time control */
16534 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16535 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16536 /* [HGM] time odds: correct new time quota for time odds! */
16537 / WhitePlayer()->timeOdds;
16538 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16540 lastBlack -= blackTimeRemaining;
16541 /* Black made time control */
16542 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16543 / WhitePlayer()->other->timeOdds;
16544 lastWhite = whiteTimeRemaining;
16549 DisplayBothClocks ()
16551 int wom = gameMode == EditPosition ?
16552 !blackPlaysFirst : WhiteOnMove(currentMove);
16553 DisplayWhiteClock(whiteTimeRemaining, wom);
16554 DisplayBlackClock(blackTimeRemaining, !wom);
16558 /* Timekeeping seems to be a portability nightmare. I think everyone
16559 has ftime(), but I'm really not sure, so I'm including some ifdefs
16560 to use other calls if you don't. Clocks will be less accurate if
16561 you have neither ftime nor gettimeofday.
16564 /* VS 2008 requires the #include outside of the function */
16565 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16566 #include <sys/timeb.h>
16569 /* Get the current time as a TimeMark */
16571 GetTimeMark (TimeMark *tm)
16573 #if HAVE_GETTIMEOFDAY
16575 struct timeval timeVal;
16576 struct timezone timeZone;
16578 gettimeofday(&timeVal, &timeZone);
16579 tm->sec = (long) timeVal.tv_sec;
16580 tm->ms = (int) (timeVal.tv_usec / 1000L);
16582 #else /*!HAVE_GETTIMEOFDAY*/
16585 // include <sys/timeb.h> / moved to just above start of function
16586 struct timeb timeB;
16589 tm->sec = (long) timeB.time;
16590 tm->ms = (int) timeB.millitm;
16592 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16593 tm->sec = (long) time(NULL);
16599 /* Return the difference in milliseconds between two
16600 time marks. We assume the difference will fit in a long!
16603 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16605 return 1000L*(tm2->sec - tm1->sec) +
16606 (long) (tm2->ms - tm1->ms);
16611 * Code to manage the game clocks.
16613 * In tournament play, black starts the clock and then white makes a move.
16614 * We give the human user a slight advantage if he is playing white---the
16615 * clocks don't run until he makes his first move, so it takes zero time.
16616 * Also, we don't account for network lag, so we could get out of sync
16617 * with GNU Chess's clock -- but then, referees are always right.
16620 static TimeMark tickStartTM;
16621 static long intendedTickLength;
16624 NextTickLength (long timeRemaining)
16626 long nominalTickLength, nextTickLength;
16628 if (timeRemaining > 0L && timeRemaining <= 10000L)
16629 nominalTickLength = 100L;
16631 nominalTickLength = 1000L;
16632 nextTickLength = timeRemaining % nominalTickLength;
16633 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16635 return nextTickLength;
16638 /* Adjust clock one minute up or down */
16640 AdjustClock (Boolean which, int dir)
16642 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16643 if(which) blackTimeRemaining += 60000*dir;
16644 else whiteTimeRemaining += 60000*dir;
16645 DisplayBothClocks();
16646 adjustedClock = TRUE;
16649 /* Stop clocks and reset to a fresh time control */
16653 (void) StopClockTimer();
16654 if (appData.icsActive) {
16655 whiteTimeRemaining = blackTimeRemaining = 0;
16656 } else if (searchTime) {
16657 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16658 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16659 } else { /* [HGM] correct new time quote for time odds */
16660 whiteTC = blackTC = fullTimeControlString;
16661 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16662 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16664 if (whiteFlag || blackFlag) {
16666 whiteFlag = blackFlag = FALSE;
16668 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16669 DisplayBothClocks();
16670 adjustedClock = FALSE;
16673 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16675 /* Decrement running clock by amount of time that has passed */
16679 long timeRemaining;
16680 long lastTickLength, fudge;
16683 if (!appData.clockMode) return;
16684 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16688 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16690 /* Fudge if we woke up a little too soon */
16691 fudge = intendedTickLength - lastTickLength;
16692 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16694 if (WhiteOnMove(forwardMostMove)) {
16695 if(whiteNPS >= 0) lastTickLength = 0;
16696 timeRemaining = whiteTimeRemaining -= lastTickLength;
16697 if(timeRemaining < 0 && !appData.icsActive) {
16698 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16699 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16700 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16701 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16704 DisplayWhiteClock(whiteTimeRemaining - fudge,
16705 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16707 if(blackNPS >= 0) lastTickLength = 0;
16708 timeRemaining = blackTimeRemaining -= lastTickLength;
16709 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16710 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16712 blackStartMove = forwardMostMove;
16713 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16716 DisplayBlackClock(blackTimeRemaining - fudge,
16717 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16719 if (CheckFlags()) return;
16721 if(twoBoards) { // count down secondary board's clocks as well
16722 activePartnerTime -= lastTickLength;
16724 if(activePartner == 'W')
16725 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16727 DisplayBlackClock(activePartnerTime, TRUE);
16732 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16733 StartClockTimer(intendedTickLength);
16735 /* if the time remaining has fallen below the alarm threshold, sound the
16736 * alarm. if the alarm has sounded and (due to a takeback or time control
16737 * with increment) the time remaining has increased to a level above the
16738 * threshold, reset the alarm so it can sound again.
16741 if (appData.icsActive && appData.icsAlarm) {
16743 /* make sure we are dealing with the user's clock */
16744 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16745 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16748 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16749 alarmSounded = FALSE;
16750 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16752 alarmSounded = TRUE;
16758 /* A player has just moved, so stop the previously running
16759 clock and (if in clock mode) start the other one.
16760 We redisplay both clocks in case we're in ICS mode, because
16761 ICS gives us an update to both clocks after every move.
16762 Note that this routine is called *after* forwardMostMove
16763 is updated, so the last fractional tick must be subtracted
16764 from the color that is *not* on move now.
16767 SwitchClocks (int newMoveNr)
16769 long lastTickLength;
16771 int flagged = FALSE;
16775 if (StopClockTimer() && appData.clockMode) {
16776 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16777 if (!WhiteOnMove(forwardMostMove)) {
16778 if(blackNPS >= 0) lastTickLength = 0;
16779 blackTimeRemaining -= lastTickLength;
16780 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16781 // if(pvInfoList[forwardMostMove].time == -1)
16782 pvInfoList[forwardMostMove].time = // use GUI time
16783 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16785 if(whiteNPS >= 0) lastTickLength = 0;
16786 whiteTimeRemaining -= lastTickLength;
16787 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16788 // if(pvInfoList[forwardMostMove].time == -1)
16789 pvInfoList[forwardMostMove].time =
16790 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16792 flagged = CheckFlags();
16794 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16795 CheckTimeControl();
16797 if (flagged || !appData.clockMode) return;
16799 switch (gameMode) {
16800 case MachinePlaysBlack:
16801 case MachinePlaysWhite:
16802 case BeginningOfGame:
16803 if (pausing) return;
16807 case PlayFromGameFile:
16815 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16816 if(WhiteOnMove(forwardMostMove))
16817 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16818 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16822 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16823 whiteTimeRemaining : blackTimeRemaining);
16824 StartClockTimer(intendedTickLength);
16828 /* Stop both clocks */
16832 long lastTickLength;
16835 if (!StopClockTimer()) return;
16836 if (!appData.clockMode) return;
16840 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16841 if (WhiteOnMove(forwardMostMove)) {
16842 if(whiteNPS >= 0) lastTickLength = 0;
16843 whiteTimeRemaining -= lastTickLength;
16844 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16846 if(blackNPS >= 0) lastTickLength = 0;
16847 blackTimeRemaining -= lastTickLength;
16848 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16853 /* Start clock of player on move. Time may have been reset, so
16854 if clock is already running, stop and restart it. */
16858 (void) StopClockTimer(); /* in case it was running already */
16859 DisplayBothClocks();
16860 if (CheckFlags()) return;
16862 if (!appData.clockMode) return;
16863 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16865 GetTimeMark(&tickStartTM);
16866 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16867 whiteTimeRemaining : blackTimeRemaining);
16869 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16870 whiteNPS = blackNPS = -1;
16871 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16872 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16873 whiteNPS = first.nps;
16874 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16875 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16876 blackNPS = first.nps;
16877 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16878 whiteNPS = second.nps;
16879 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16880 blackNPS = second.nps;
16881 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16883 StartClockTimer(intendedTickLength);
16887 TimeString (long ms)
16889 long second, minute, hour, day;
16891 static char buf[32];
16893 if (ms > 0 && ms <= 9900) {
16894 /* convert milliseconds to tenths, rounding up */
16895 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16897 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16901 /* convert milliseconds to seconds, rounding up */
16902 /* use floating point to avoid strangeness of integer division
16903 with negative dividends on many machines */
16904 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16911 day = second / (60 * 60 * 24);
16912 second = second % (60 * 60 * 24);
16913 hour = second / (60 * 60);
16914 second = second % (60 * 60);
16915 minute = second / 60;
16916 second = second % 60;
16919 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16920 sign, day, hour, minute, second);
16922 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16924 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16931 * This is necessary because some C libraries aren't ANSI C compliant yet.
16934 StrStr (char *string, char *match)
16938 length = strlen(match);
16940 for (i = strlen(string) - length; i >= 0; i--, string++)
16941 if (!strncmp(match, string, length))
16948 StrCaseStr (char *string, char *match)
16952 length = strlen(match);
16954 for (i = strlen(string) - length; i >= 0; i--, string++) {
16955 for (j = 0; j < length; j++) {
16956 if (ToLower(match[j]) != ToLower(string[j]))
16959 if (j == length) return string;
16967 StrCaseCmp (char *s1, char *s2)
16972 c1 = ToLower(*s1++);
16973 c2 = ToLower(*s2++);
16974 if (c1 > c2) return 1;
16975 if (c1 < c2) return -1;
16976 if (c1 == NULLCHAR) return 0;
16984 return isupper(c) ? tolower(c) : c;
16991 return islower(c) ? toupper(c) : c;
16993 #endif /* !_amigados */
17000 if ((ret = (char *) malloc(strlen(s) + 1)))
17002 safeStrCpy(ret, s, strlen(s)+1);
17008 StrSavePtr (char *s, char **savePtr)
17013 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17014 safeStrCpy(*savePtr, s, strlen(s)+1);
17026 clock = time((time_t *)NULL);
17027 tm = localtime(&clock);
17028 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17029 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17030 return StrSave(buf);
17035 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17037 int i, j, fromX, fromY, toX, toY;
17044 whiteToPlay = (gameMode == EditPosition) ?
17045 !blackPlaysFirst : (move % 2 == 0);
17048 /* Piece placement data */
17049 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17050 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17052 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17053 if (boards[move][i][j] == EmptySquare) {
17055 } else { ChessSquare piece = boards[move][i][j];
17056 if (emptycount > 0) {
17057 if(emptycount<10) /* [HGM] can be >= 10 */
17058 *p++ = '0' + emptycount;
17059 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17062 if(PieceToChar(piece) == '+') {
17063 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17065 piece = (ChessSquare)(DEMOTED piece);
17067 *p++ = PieceToChar(piece);
17069 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17070 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17075 if (emptycount > 0) {
17076 if(emptycount<10) /* [HGM] can be >= 10 */
17077 *p++ = '0' + emptycount;
17078 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17085 /* [HGM] print Crazyhouse or Shogi holdings */
17086 if( gameInfo.holdingsWidth ) {
17087 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17089 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17090 piece = boards[move][i][BOARD_WIDTH-1];
17091 if( piece != EmptySquare )
17092 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17093 *p++ = PieceToChar(piece);
17095 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17096 piece = boards[move][BOARD_HEIGHT-i-1][0];
17097 if( piece != EmptySquare )
17098 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17099 *p++ = PieceToChar(piece);
17102 if( q == p ) *p++ = '-';
17108 *p++ = whiteToPlay ? 'w' : 'b';
17111 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17112 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17114 if(nrCastlingRights) {
17116 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17117 /* [HGM] write directly from rights */
17118 if(boards[move][CASTLING][2] != NoRights &&
17119 boards[move][CASTLING][0] != NoRights )
17120 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17121 if(boards[move][CASTLING][2] != NoRights &&
17122 boards[move][CASTLING][1] != NoRights )
17123 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17124 if(boards[move][CASTLING][5] != NoRights &&
17125 boards[move][CASTLING][3] != NoRights )
17126 *p++ = boards[move][CASTLING][3] + AAA;
17127 if(boards[move][CASTLING][5] != NoRights &&
17128 boards[move][CASTLING][4] != NoRights )
17129 *p++ = boards[move][CASTLING][4] + AAA;
17132 /* [HGM] write true castling rights */
17133 if( nrCastlingRights == 6 ) {
17135 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17136 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17137 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17138 boards[move][CASTLING][2] != NoRights );
17139 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17140 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17141 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17142 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17143 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17147 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17148 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17149 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17150 boards[move][CASTLING][5] != NoRights );
17151 if(gameInfo.variant == VariantSChess) {
17152 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17153 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17154 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17155 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17160 if (q == p) *p++ = '-'; /* No castling rights */
17164 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17165 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17166 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17167 /* En passant target square */
17168 if (move > backwardMostMove) {
17169 fromX = moveList[move - 1][0] - AAA;
17170 fromY = moveList[move - 1][1] - ONE;
17171 toX = moveList[move - 1][2] - AAA;
17172 toY = moveList[move - 1][3] - ONE;
17173 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17174 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17175 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17177 /* 2-square pawn move just happened */
17179 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17183 } else if(move == backwardMostMove) {
17184 // [HGM] perhaps we should always do it like this, and forget the above?
17185 if((signed char)boards[move][EP_STATUS] >= 0) {
17186 *p++ = boards[move][EP_STATUS] + AAA;
17187 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17199 { int i = 0, j=move;
17201 /* [HGM] find reversible plies */
17202 if (appData.debugMode) { int k;
17203 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17204 for(k=backwardMostMove; k<=forwardMostMove; k++)
17205 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17209 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17210 if( j == backwardMostMove ) i += initialRulePlies;
17211 sprintf(p, "%d ", i);
17212 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17214 /* Fullmove number */
17215 sprintf(p, "%d", (move / 2) + 1);
17216 } else *--p = NULLCHAR;
17218 return StrSave(buf);
17222 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17226 int emptycount, virgin[BOARD_FILES];
17231 /* [HGM] by default clear Crazyhouse holdings, if present */
17232 if(gameInfo.holdingsWidth) {
17233 for(i=0; i<BOARD_HEIGHT; i++) {
17234 board[i][0] = EmptySquare; /* black holdings */
17235 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17236 board[i][1] = (ChessSquare) 0; /* black counts */
17237 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17241 /* Piece placement data */
17242 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17245 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17246 if (*p == '/') p++;
17247 emptycount = gameInfo.boardWidth - j;
17248 while (emptycount--)
17249 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17251 #if(BOARD_FILES >= 10)
17252 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17253 p++; emptycount=10;
17254 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17255 while (emptycount--)
17256 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17258 } else if (isdigit(*p)) {
17259 emptycount = *p++ - '0';
17260 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17261 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17262 while (emptycount--)
17263 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17264 } else if (*p == '+' || isalpha(*p)) {
17265 if (j >= gameInfo.boardWidth) return FALSE;
17267 piece = CharToPiece(*++p);
17268 if(piece == EmptySquare) return FALSE; /* unknown piece */
17269 piece = (ChessSquare) (PROMOTED piece ); p++;
17270 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17271 } else piece = CharToPiece(*p++);
17273 if(piece==EmptySquare) return FALSE; /* unknown piece */
17274 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17275 piece = (ChessSquare) (PROMOTED piece);
17276 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17279 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17285 while (*p == '/' || *p == ' ') p++;
17287 /* [HGM] look for Crazyhouse holdings here */
17288 while(*p==' ') p++;
17289 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17291 if(*p == '-' ) p++; /* empty holdings */ else {
17292 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17293 /* if we would allow FEN reading to set board size, we would */
17294 /* have to add holdings and shift the board read so far here */
17295 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17297 if((int) piece >= (int) BlackPawn ) {
17298 i = (int)piece - (int)BlackPawn;
17299 i = PieceToNumber((ChessSquare)i);
17300 if( i >= gameInfo.holdingsSize ) return FALSE;
17301 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17302 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17304 i = (int)piece - (int)WhitePawn;
17305 i = PieceToNumber((ChessSquare)i);
17306 if( i >= gameInfo.holdingsSize ) return FALSE;
17307 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17308 board[i][BOARD_WIDTH-2]++; /* black holdings */
17315 while(*p == ' ') p++;
17319 if(appData.colorNickNames) {
17320 if( c == appData.colorNickNames[0] ) c = 'w'; else
17321 if( c == appData.colorNickNames[1] ) c = 'b';
17325 *blackPlaysFirst = FALSE;
17328 *blackPlaysFirst = TRUE;
17334 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17335 /* return the extra info in global variiables */
17337 /* set defaults in case FEN is incomplete */
17338 board[EP_STATUS] = EP_UNKNOWN;
17339 for(i=0; i<nrCastlingRights; i++ ) {
17340 board[CASTLING][i] =
17341 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17342 } /* assume possible unless obviously impossible */
17343 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17344 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17345 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17346 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17347 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17348 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17349 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17350 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17353 while(*p==' ') p++;
17354 if(nrCastlingRights) {
17355 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17356 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17357 /* castling indicator present, so default becomes no castlings */
17358 for(i=0; i<nrCastlingRights; i++ ) {
17359 board[CASTLING][i] = NoRights;
17362 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17363 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17364 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17365 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17366 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17368 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17369 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17370 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17372 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17373 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17374 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17375 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17376 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17377 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17380 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17381 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17382 board[CASTLING][2] = whiteKingFile;
17383 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17384 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17387 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17388 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17389 board[CASTLING][2] = whiteKingFile;
17390 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17391 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17394 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17395 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17396 board[CASTLING][5] = blackKingFile;
17397 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17398 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17401 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17402 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17403 board[CASTLING][5] = blackKingFile;
17404 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17405 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17408 default: /* FRC castlings */
17409 if(c >= 'a') { /* black rights */
17410 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17411 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17412 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17413 if(i == BOARD_RGHT) break;
17414 board[CASTLING][5] = i;
17416 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17417 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17419 board[CASTLING][3] = c;
17421 board[CASTLING][4] = c;
17422 } else { /* white rights */
17423 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17424 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17425 if(board[0][i] == WhiteKing) break;
17426 if(i == BOARD_RGHT) break;
17427 board[CASTLING][2] = i;
17428 c -= AAA - 'a' + 'A';
17429 if(board[0][c] >= WhiteKing) break;
17431 board[CASTLING][0] = c;
17433 board[CASTLING][1] = c;
17437 for(i=0; i<nrCastlingRights; i++)
17438 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17439 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17440 if (appData.debugMode) {
17441 fprintf(debugFP, "FEN castling rights:");
17442 for(i=0; i<nrCastlingRights; i++)
17443 fprintf(debugFP, " %d", board[CASTLING][i]);
17444 fprintf(debugFP, "\n");
17447 while(*p==' ') p++;
17450 /* read e.p. field in games that know e.p. capture */
17451 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17452 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17453 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17455 p++; board[EP_STATUS] = EP_NONE;
17457 char c = *p++ - AAA;
17459 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17460 if(*p >= '0' && *p <='9') p++;
17461 board[EP_STATUS] = c;
17466 if(sscanf(p, "%d", &i) == 1) {
17467 FENrulePlies = i; /* 50-move ply counter */
17468 /* (The move number is still ignored) */
17475 EditPositionPasteFEN (char *fen)
17478 Board initial_position;
17480 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17481 DisplayError(_("Bad FEN position in clipboard"), 0);
17484 int savedBlackPlaysFirst = blackPlaysFirst;
17485 EditPositionEvent();
17486 blackPlaysFirst = savedBlackPlaysFirst;
17487 CopyBoard(boards[0], initial_position);
17488 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17489 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17490 DisplayBothClocks();
17491 DrawPosition(FALSE, boards[currentMove]);
17496 static char cseq[12] = "\\ ";
17499 set_cont_sequence (char *new_seq)
17504 // handle bad attempts to set the sequence
17506 return 0; // acceptable error - no debug
17508 len = strlen(new_seq);
17509 ret = (len > 0) && (len < sizeof(cseq));
17511 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17512 else if (appData.debugMode)
17513 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17518 reformat a source message so words don't cross the width boundary. internal
17519 newlines are not removed. returns the wrapped size (no null character unless
17520 included in source message). If dest is NULL, only calculate the size required
17521 for the dest buffer. lp argument indicats line position upon entry, and it's
17522 passed back upon exit.
17525 wrap (char *dest, char *src, int count, int width, int *lp)
17527 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17529 cseq_len = strlen(cseq);
17530 old_line = line = *lp;
17531 ansi = len = clen = 0;
17533 for (i=0; i < count; i++)
17535 if (src[i] == '\033')
17538 // if we hit the width, back up
17539 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17541 // store i & len in case the word is too long
17542 old_i = i, old_len = len;
17544 // find the end of the last word
17545 while (i && src[i] != ' ' && src[i] != '\n')
17551 // word too long? restore i & len before splitting it
17552 if ((old_i-i+clen) >= width)
17559 if (i && src[i-1] == ' ')
17562 if (src[i] != ' ' && src[i] != '\n')
17569 // now append the newline and continuation sequence
17574 strncpy(dest+len, cseq, cseq_len);
17582 dest[len] = src[i];
17586 if (src[i] == '\n')
17591 if (dest && appData.debugMode)
17593 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17594 count, width, line, len, *lp);
17595 show_bytes(debugFP, src, count);
17596 fprintf(debugFP, "\ndest: ");
17597 show_bytes(debugFP, dest, len);
17598 fprintf(debugFP, "\n");
17600 *lp = dest ? line : old_line;
17605 // [HGM] vari: routines for shelving variations
17606 Boolean modeRestore = FALSE;
17609 PushInner (int firstMove, int lastMove)
17611 int i, j, nrMoves = lastMove - firstMove;
17613 // push current tail of game on stack
17614 savedResult[storedGames] = gameInfo.result;
17615 savedDetails[storedGames] = gameInfo.resultDetails;
17616 gameInfo.resultDetails = NULL;
17617 savedFirst[storedGames] = firstMove;
17618 savedLast [storedGames] = lastMove;
17619 savedFramePtr[storedGames] = framePtr;
17620 framePtr -= nrMoves; // reserve space for the boards
17621 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17622 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17623 for(j=0; j<MOVE_LEN; j++)
17624 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17625 for(j=0; j<2*MOVE_LEN; j++)
17626 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17627 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17628 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17629 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17630 pvInfoList[firstMove+i-1].depth = 0;
17631 commentList[framePtr+i] = commentList[firstMove+i];
17632 commentList[firstMove+i] = NULL;
17636 forwardMostMove = firstMove; // truncate game so we can start variation
17640 PushTail (int firstMove, int lastMove)
17642 if(appData.icsActive) { // only in local mode
17643 forwardMostMove = currentMove; // mimic old ICS behavior
17646 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17648 PushInner(firstMove, lastMove);
17649 if(storedGames == 1) GreyRevert(FALSE);
17650 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17654 PopInner (Boolean annotate)
17657 char buf[8000], moveBuf[20];
17659 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17660 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17661 nrMoves = savedLast[storedGames] - currentMove;
17664 if(!WhiteOnMove(currentMove))
17665 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17666 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17667 for(i=currentMove; i<forwardMostMove; i++) {
17669 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17670 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17671 strcat(buf, moveBuf);
17672 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17673 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17677 for(i=1; i<=nrMoves; i++) { // copy last variation back
17678 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17679 for(j=0; j<MOVE_LEN; j++)
17680 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17681 for(j=0; j<2*MOVE_LEN; j++)
17682 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17683 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17684 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17685 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17686 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17687 commentList[currentMove+i] = commentList[framePtr+i];
17688 commentList[framePtr+i] = NULL;
17690 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17691 framePtr = savedFramePtr[storedGames];
17692 gameInfo.result = savedResult[storedGames];
17693 if(gameInfo.resultDetails != NULL) {
17694 free(gameInfo.resultDetails);
17696 gameInfo.resultDetails = savedDetails[storedGames];
17697 forwardMostMove = currentMove + nrMoves;
17701 PopTail (Boolean annotate)
17703 if(appData.icsActive) return FALSE; // only in local mode
17704 if(!storedGames) return FALSE; // sanity
17705 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17707 PopInner(annotate);
17708 if(currentMove < forwardMostMove) ForwardEvent(); else
17709 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17711 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17717 { // remove all shelved variations
17719 for(i=0; i<storedGames; i++) {
17720 if(savedDetails[i])
17721 free(savedDetails[i]);
17722 savedDetails[i] = NULL;
17724 for(i=framePtr; i<MAX_MOVES; i++) {
17725 if(commentList[i]) free(commentList[i]);
17726 commentList[i] = NULL;
17728 framePtr = MAX_MOVES-1;
17733 LoadVariation (int index, char *text)
17734 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17735 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17736 int level = 0, move;
17738 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17739 // first find outermost bracketing variation
17740 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17741 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17742 if(*p == '{') wait = '}'; else
17743 if(*p == '[') wait = ']'; else
17744 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17745 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17747 if(*p == wait) wait = NULLCHAR; // closing ]} found
17750 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17751 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17752 end[1] = NULLCHAR; // clip off comment beyond variation
17753 ToNrEvent(currentMove-1);
17754 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17755 // kludge: use ParsePV() to append variation to game
17756 move = currentMove;
17757 ParsePV(start, TRUE, TRUE);
17758 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17759 ClearPremoveHighlights();
17761 ToNrEvent(currentMove+1);
17767 char *p, *q, buf[MSG_SIZ];
17768 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17769 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17770 ParseArgsFromString(buf);
17771 ActivateTheme(TRUE); // also redo colors
17775 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17778 q = appData.themeNames;
17779 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17780 if(appData.useBitmaps) {
17781 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17782 appData.liteBackTextureFile, appData.darkBackTextureFile,
17783 appData.liteBackTextureMode,
17784 appData.darkBackTextureMode );
17786 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17787 Col2Text(2), // lightSquareColor
17788 Col2Text(3) ); // darkSquareColor
17790 if(appData.useBorder) {
17791 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17794 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17796 if(appData.useFont) {
17797 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17798 appData.renderPiecesWithFont,
17799 appData.fontToPieceTable,
17800 Col2Text(9), // appData.fontBackColorWhite
17801 Col2Text(10) ); // appData.fontForeColorBlack
17803 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17804 appData.pieceDirectory);
17805 if(!appData.pieceDirectory[0])
17806 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17807 Col2Text(0), // whitePieceColor
17808 Col2Text(1) ); // blackPieceColor
17810 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17811 Col2Text(4), // highlightSquareColor
17812 Col2Text(5) ); // premoveHighlightColor
17813 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17814 if(insert != q) insert[-1] = NULLCHAR;
17815 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17818 ActivateTheme(FALSE);