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;
7278 ClearPremoveHighlights();
7280 /* First upclick in same square; start click-click mode */
7281 SetHighlights(x, y, -1, -1);
7288 /* we now have a different from- and (possibly off-board) to-square */
7289 /* Completed move */
7290 if(!sweepSelecting) {
7293 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7295 saveAnimate = appData.animate;
7296 if (clickType == Press) {
7297 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7298 // must be Edit Position mode with empty-square selected
7299 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7300 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7303 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7304 if(appData.sweepSelect) {
7305 ChessSquare piece = boards[currentMove][fromY][fromX];
7306 promoSweep = defaultPromoChoice;
7307 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7308 selectFlag = 0; lastX = xPix; lastY = yPix;
7309 Sweep(0); // Pawn that is going to promote: preview promotion piece
7311 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7312 MarkTargetSquares(1);
7314 return; // promo popup appears on up-click
7316 /* Finish clickclick move */
7317 if (appData.animate || appData.highlightLastMove) {
7318 SetHighlights(fromX, fromY, toX, toY);
7324 // [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
7325 /* Finish drag move */
7326 if (appData.highlightLastMove) {
7327 SetHighlights(fromX, fromY, toX, toY);
7332 DragPieceEnd(xPix, yPix); dragging = 0;
7333 /* Don't animate move and drag both */
7334 appData.animate = FALSE;
7337 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7338 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7339 ChessSquare piece = boards[currentMove][fromY][fromX];
7340 if(gameMode == EditPosition && piece != EmptySquare &&
7341 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7344 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7345 n = PieceToNumber(piece - (int)BlackPawn);
7346 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7347 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7348 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7350 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7351 n = PieceToNumber(piece);
7352 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7353 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7354 boards[currentMove][n][BOARD_WIDTH-2]++;
7356 boards[currentMove][fromY][fromX] = EmptySquare;
7360 MarkTargetSquares(1);
7361 DrawPosition(TRUE, boards[currentMove]);
7365 // off-board moves should not be highlighted
7366 if(x < 0 || y < 0) ClearHighlights();
7368 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7370 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7371 SetHighlights(fromX, fromY, toX, toY);
7372 MarkTargetSquares(1);
7373 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7374 // [HGM] super: promotion to captured piece selected from holdings
7375 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7376 promotionChoice = TRUE;
7377 // kludge follows to temporarily execute move on display, without promoting yet
7378 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7379 boards[currentMove][toY][toX] = p;
7380 DrawPosition(FALSE, boards[currentMove]);
7381 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7382 boards[currentMove][toY][toX] = q;
7383 DisplayMessage("Click in holdings to choose piece", "");
7388 int oldMove = currentMove;
7389 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7390 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7391 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7392 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7393 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7394 DrawPosition(TRUE, boards[currentMove]);
7395 MarkTargetSquares(1);
7398 appData.animate = saveAnimate;
7399 if (appData.animate || appData.animateDragging) {
7400 /* Undo animation damage if needed */
7401 DrawPosition(FALSE, NULL);
7406 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7407 { // front-end-free part taken out of PieceMenuPopup
7408 int whichMenu; int xSqr, ySqr;
7410 if(seekGraphUp) { // [HGM] seekgraph
7411 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7412 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7416 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7417 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7418 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7419 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7420 if(action == Press) {
7421 originalFlip = flipView;
7422 flipView = !flipView; // temporarily flip board to see game from partners perspective
7423 DrawPosition(TRUE, partnerBoard);
7424 DisplayMessage(partnerStatus, "");
7426 } else if(action == Release) {
7427 flipView = originalFlip;
7428 DrawPosition(TRUE, boards[currentMove]);
7434 xSqr = EventToSquare(x, BOARD_WIDTH);
7435 ySqr = EventToSquare(y, BOARD_HEIGHT);
7436 if (action == Release) {
7437 if(pieceSweep != EmptySquare) {
7438 EditPositionMenuEvent(pieceSweep, toX, toY);
7439 pieceSweep = EmptySquare;
7440 } else UnLoadPV(); // [HGM] pv
7442 if (action != Press) return -2; // return code to be ignored
7445 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7447 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7448 if (xSqr < 0 || ySqr < 0) return -1;
7449 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7450 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7451 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7452 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7456 if(!appData.icsEngineAnalyze) return -1;
7457 case IcsPlayingWhite:
7458 case IcsPlayingBlack:
7459 if(!appData.zippyPlay) goto noZip;
7462 case MachinePlaysWhite:
7463 case MachinePlaysBlack:
7464 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7465 if (!appData.dropMenu) {
7467 return 2; // flag front-end to grab mouse events
7469 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7470 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7473 if (xSqr < 0 || ySqr < 0) return -1;
7474 if (!appData.dropMenu || appData.testLegality &&
7475 gameInfo.variant != VariantBughouse &&
7476 gameInfo.variant != VariantCrazyhouse) return -1;
7477 whichMenu = 1; // drop menu
7483 if (((*fromX = xSqr) < 0) ||
7484 ((*fromY = ySqr) < 0)) {
7485 *fromX = *fromY = -1;
7489 *fromX = BOARD_WIDTH - 1 - *fromX;
7491 *fromY = BOARD_HEIGHT - 1 - *fromY;
7497 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7499 // char * hint = lastHint;
7500 FrontEndProgramStats stats;
7502 stats.which = cps == &first ? 0 : 1;
7503 stats.depth = cpstats->depth;
7504 stats.nodes = cpstats->nodes;
7505 stats.score = cpstats->score;
7506 stats.time = cpstats->time;
7507 stats.pv = cpstats->movelist;
7508 stats.hint = lastHint;
7509 stats.an_move_index = 0;
7510 stats.an_move_count = 0;
7512 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7513 stats.hint = cpstats->move_name;
7514 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7515 stats.an_move_count = cpstats->nr_moves;
7518 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
7520 SetProgramStats( &stats );
7524 ClearEngineOutputPane (int which)
7526 static FrontEndProgramStats dummyStats;
7527 dummyStats.which = which;
7528 dummyStats.pv = "#";
7529 SetProgramStats( &dummyStats );
7532 #define MAXPLAYERS 500
7535 TourneyStandings (int display)
7537 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7538 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7539 char result, *p, *names[MAXPLAYERS];
7541 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7542 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7543 names[0] = p = strdup(appData.participants);
7544 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7546 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7548 while(result = appData.results[nr]) {
7549 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7550 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7551 wScore = bScore = 0;
7553 case '+': wScore = 2; break;
7554 case '-': bScore = 2; break;
7555 case '=': wScore = bScore = 1; break;
7557 case '*': return strdup("busy"); // tourney not finished
7565 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7566 for(w=0; w<nPlayers; w++) {
7568 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7569 ranking[w] = b; points[w] = bScore; score[b] = -2;
7571 p = malloc(nPlayers*34+1);
7572 for(w=0; w<nPlayers && w<display; w++)
7573 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7579 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7580 { // count all piece types
7582 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7583 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7584 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7587 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7588 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7589 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7590 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7591 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7592 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7597 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7599 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7600 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7602 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7603 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7604 if(myPawns == 2 && nMine == 3) // KPP
7605 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7606 if(myPawns == 1 && nMine == 2) // KP
7607 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7608 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7609 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7610 if(myPawns) return FALSE;
7611 if(pCnt[WhiteRook+side])
7612 return pCnt[BlackRook-side] ||
7613 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7614 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7615 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7616 if(pCnt[WhiteCannon+side]) {
7617 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7618 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7620 if(pCnt[WhiteKnight+side])
7621 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7626 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7628 VariantClass v = gameInfo.variant;
7630 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7631 if(v == VariantShatranj) return TRUE; // always winnable through baring
7632 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7633 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7635 if(v == VariantXiangqi) {
7636 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7638 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7639 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7640 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7641 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7642 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7643 if(stale) // we have at least one last-rank P plus perhaps C
7644 return majors // KPKX
7645 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7647 return pCnt[WhiteFerz+side] // KCAK
7648 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7649 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7650 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7652 } else if(v == VariantKnightmate) {
7653 if(nMine == 1) return FALSE;
7654 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7655 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7656 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7658 if(nMine == 1) return FALSE; // bare King
7659 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
7660 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7661 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7662 // by now we have King + 1 piece (or multiple Bishops on the same color)
7663 if(pCnt[WhiteKnight+side])
7664 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7665 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7666 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7668 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7669 if(pCnt[WhiteAlfil+side])
7670 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7671 if(pCnt[WhiteWazir+side])
7672 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7679 CompareWithRights (Board b1, Board b2)
7682 if(!CompareBoards(b1, b2)) return FALSE;
7683 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7684 /* compare castling rights */
7685 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7686 rights++; /* King lost rights, while rook still had them */
7687 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7688 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7689 rights++; /* but at least one rook lost them */
7691 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7693 if( b1[CASTLING][5] != NoRights ) {
7694 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7701 Adjudicate (ChessProgramState *cps)
7702 { // [HGM] some adjudications useful with buggy engines
7703 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7704 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7705 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7706 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7707 int k, drop, count = 0; static int bare = 1;
7708 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7709 Boolean canAdjudicate = !appData.icsActive;
7711 // most tests only when we understand the game, i.e. legality-checking on
7712 if( appData.testLegality )
7713 { /* [HGM] Some more adjudications for obstinate engines */
7714 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7715 static int moveCount = 6;
7717 char *reason = NULL;
7719 /* Count what is on board. */
7720 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7722 /* Some material-based adjudications that have to be made before stalemate test */
7723 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7724 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7725 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7726 if(canAdjudicate && appData.checkMates) {
7728 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7729 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7730 "Xboard adjudication: King destroyed", GE_XBOARD );
7735 /* Bare King in Shatranj (loses) or Losers (wins) */
7736 if( nrW == 1 || nrB == 1) {
7737 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7738 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7739 if(canAdjudicate && appData.checkMates) {
7741 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7742 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7743 "Xboard adjudication: Bare king", GE_XBOARD );
7747 if( gameInfo.variant == VariantShatranj && --bare < 0)
7749 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7750 if(canAdjudicate && appData.checkMates) {
7751 /* but only adjudicate if adjudication enabled */
7753 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7754 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7755 "Xboard adjudication: Bare king", GE_XBOARD );
7762 // don't wait for engine to announce game end if we can judge ourselves
7763 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7765 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7766 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7767 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7768 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7771 reason = "Xboard adjudication: 3rd check";
7772 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7782 reason = "Xboard adjudication: Stalemate";
7783 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7784 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7785 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7786 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7787 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7788 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7789 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7790 EP_CHECKMATE : EP_WINS);
7791 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7792 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7796 reason = "Xboard adjudication: Checkmate";
7797 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7798 if(gameInfo.variant == VariantShogi) {
7799 if(forwardMostMove > backwardMostMove
7800 && moveList[forwardMostMove-1][1] == '@'
7801 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7802 reason = "XBoard adjudication: pawn-drop mate";
7803 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7809 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7811 result = GameIsDrawn; break;
7813 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7815 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7819 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7821 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7822 GameEnds( result, reason, GE_XBOARD );
7826 /* Next absolutely insufficient mating material. */
7827 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7828 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7829 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7831 /* always flag draws, for judging claims */
7832 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7834 if(canAdjudicate && appData.materialDraws) {
7835 /* but only adjudicate them if adjudication enabled */
7836 if(engineOpponent) {
7837 SendToProgram("force\n", engineOpponent); // suppress reply
7838 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7840 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7845 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7846 if(gameInfo.variant == VariantXiangqi ?
7847 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7849 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7850 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7851 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7852 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7854 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7855 { /* if the first 3 moves do not show a tactical win, declare draw */
7856 if(engineOpponent) {
7857 SendToProgram("force\n", engineOpponent); // suppress reply
7858 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7860 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7863 } else moveCount = 6;
7866 // Repetition draws and 50-move rule can be applied independently of legality testing
7868 /* Check for rep-draws */
7870 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7871 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7872 for(k = forwardMostMove-2;
7873 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7874 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7875 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7878 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7879 /* compare castling rights */
7880 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7881 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7882 rights++; /* King lost rights, while rook still had them */
7883 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7884 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7885 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7886 rights++; /* but at least one rook lost them */
7888 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7889 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7891 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7892 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7893 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7896 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7897 && appData.drawRepeats > 1) {
7898 /* adjudicate after user-specified nr of repeats */
7899 int result = GameIsDrawn;
7900 char *details = "XBoard adjudication: repetition draw";
7901 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
7902 // [HGM] xiangqi: check for forbidden perpetuals
7903 int m, ourPerpetual = 1, hisPerpetual = 1;
7904 for(m=forwardMostMove; m>k; m-=2) {
7905 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7906 ourPerpetual = 0; // the current mover did not always check
7907 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7908 hisPerpetual = 0; // the opponent did not always check
7910 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7911 ourPerpetual, hisPerpetual);
7912 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7913 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7914 details = "Xboard adjudication: perpetual checking";
7916 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7917 break; // (or we would have caught him before). Abort repetition-checking loop.
7919 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
7920 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
7922 details = "Xboard adjudication: repetition";
7924 } else // it must be XQ
7925 // Now check for perpetual chases
7926 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7927 hisPerpetual = PerpetualChase(k, forwardMostMove);
7928 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7929 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7930 static char resdet[MSG_SIZ];
7931 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7933 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7935 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7936 break; // Abort repetition-checking loop.
7938 // if neither of us is checking or chasing all the time, or both are, it is draw
7940 if(engineOpponent) {
7941 SendToProgram("force\n", engineOpponent); // suppress reply
7942 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7944 GameEnds( result, details, GE_XBOARD );
7947 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7948 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7952 /* Now we test for 50-move draws. Determine ply count */
7953 count = forwardMostMove;
7954 /* look for last irreversble move */
7955 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7957 /* if we hit starting position, add initial plies */
7958 if( count == backwardMostMove )
7959 count -= initialRulePlies;
7960 count = forwardMostMove - count;
7961 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7962 // adjust reversible move counter for checks in Xiangqi
7963 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7964 if(i < backwardMostMove) i = backwardMostMove;
7965 while(i <= forwardMostMove) {
7966 lastCheck = inCheck; // check evasion does not count
7967 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7968 if(inCheck || lastCheck) count--; // check does not count
7973 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7974 /* this is used to judge if draw claims are legal */
7975 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7976 if(engineOpponent) {
7977 SendToProgram("force\n", engineOpponent); // suppress reply
7978 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7980 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7984 /* if draw offer is pending, treat it as a draw claim
7985 * when draw condition present, to allow engines a way to
7986 * claim draws before making their move to avoid a race
7987 * condition occurring after their move
7989 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7991 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7992 p = "Draw claim: 50-move rule";
7993 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7994 p = "Draw claim: 3-fold repetition";
7995 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7996 p = "Draw claim: insufficient mating material";
7997 if( p != NULL && canAdjudicate) {
7998 if(engineOpponent) {
7999 SendToProgram("force\n", engineOpponent); // suppress reply
8000 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8002 GameEnds( GameIsDrawn, p, GE_XBOARD );
8007 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8008 if(engineOpponent) {
8009 SendToProgram("force\n", engineOpponent); // suppress reply
8010 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8012 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8019 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8020 { // [HGM] book: this routine intercepts moves to simulate book replies
8021 char *bookHit = NULL;
8023 //first determine if the incoming move brings opponent into his book
8024 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8025 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8026 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8027 if(bookHit != NULL && !cps->bookSuspend) {
8028 // make sure opponent is not going to reply after receiving move to book position
8029 SendToProgram("force\n", cps);
8030 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8032 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8033 // now arrange restart after book miss
8035 // after a book hit we never send 'go', and the code after the call to this routine
8036 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8037 char buf[MSG_SIZ], *move = bookHit;
8039 int fromX, fromY, toX, toY;
8043 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8044 &fromX, &fromY, &toX, &toY, &promoChar)) {
8045 (void) CoordsToAlgebraic(boards[forwardMostMove],
8046 PosFlags(forwardMostMove),
8047 fromY, fromX, toY, toX, promoChar, move);
8049 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8053 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8054 SendToProgram(buf, cps);
8055 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8056 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8057 SendToProgram("go\n", cps);
8058 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8059 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8060 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8061 SendToProgram("go\n", cps);
8062 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8064 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8068 LoadError (char *errmess, ChessProgramState *cps)
8069 { // unloads engine and switches back to -ncp mode if it was first
8070 if(cps->initDone) return FALSE;
8071 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8072 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8075 appData.noChessProgram = TRUE;
8076 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8077 gameMode = BeginningOfGame; ModeHighlight();
8080 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8081 DisplayMessage("", ""); // erase waiting message
8082 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8087 ChessProgramState *savedState;
8089 DeferredBookMove (void)
8091 if(savedState->lastPing != savedState->lastPong)
8092 ScheduleDelayedEvent(DeferredBookMove, 10);
8094 HandleMachineMove(savedMessage, savedState);
8097 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8098 static ChessProgramState *stalledEngine;
8099 static char stashedInputMove[MSG_SIZ];
8102 HandleMachineMove (char *message, ChessProgramState *cps)
8104 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8105 char realname[MSG_SIZ];
8106 int fromX, fromY, toX, toY;
8110 int machineWhite, oldError;
8113 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8114 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8115 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8116 DisplayError(_("Invalid pairing from pairing engine"), 0);
8119 pairingReceived = 1;
8121 return; // Skim the pairing messages here.
8124 oldError = cps->userError; cps->userError = 0;
8126 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8128 * Kludge to ignore BEL characters
8130 while (*message == '\007') message++;
8133 * [HGM] engine debug message: ignore lines starting with '#' character
8135 if(cps->debug && *message == '#') return;
8138 * Look for book output
8140 if (cps == &first && bookRequested) {
8141 if (message[0] == '\t' || message[0] == ' ') {
8142 /* Part of the book output is here; append it */
8143 strcat(bookOutput, message);
8144 strcat(bookOutput, " \n");
8146 } else if (bookOutput[0] != NULLCHAR) {
8147 /* All of book output has arrived; display it */
8148 char *p = bookOutput;
8149 while (*p != NULLCHAR) {
8150 if (*p == '\t') *p = ' ';
8153 DisplayInformation(bookOutput);
8154 bookRequested = FALSE;
8155 /* Fall through to parse the current output */
8160 * Look for machine move.
8162 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8163 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8165 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8166 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8167 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8168 stalledEngine = cps;
8169 if(appData.ponderNextMove) { // bring opponent out of ponder
8170 if(gameMode == TwoMachinesPlay) {
8171 if(cps->other->pause)
8172 PauseEngine(cps->other);
8174 SendToProgram("easy\n", cps->other);
8181 /* This method is only useful on engines that support ping */
8182 if (cps->lastPing != cps->lastPong) {
8183 if (gameMode == BeginningOfGame) {
8184 /* Extra move from before last new; ignore */
8185 if (appData.debugMode) {
8186 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8189 if (appData.debugMode) {
8190 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8191 cps->which, gameMode);
8194 SendToProgram("undo\n", cps);
8200 case BeginningOfGame:
8201 /* Extra move from before last reset; ignore */
8202 if (appData.debugMode) {
8203 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8210 /* Extra move after we tried to stop. The mode test is
8211 not a reliable way of detecting this problem, but it's
8212 the best we can do on engines that don't support ping.
8214 if (appData.debugMode) {
8215 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8216 cps->which, gameMode);
8218 SendToProgram("undo\n", cps);
8221 case MachinePlaysWhite:
8222 case IcsPlayingWhite:
8223 machineWhite = TRUE;
8226 case MachinePlaysBlack:
8227 case IcsPlayingBlack:
8228 machineWhite = FALSE;
8231 case TwoMachinesPlay:
8232 machineWhite = (cps->twoMachinesColor[0] == 'w');
8235 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8236 if (appData.debugMode) {
8238 "Ignoring move out of turn by %s, gameMode %d"
8239 ", forwardMost %d\n",
8240 cps->which, gameMode, forwardMostMove);
8245 if(cps->alphaRank) AlphaRank(machineMove, 4);
8246 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8247 &fromX, &fromY, &toX, &toY, &promoChar)) {
8248 /* Machine move could not be parsed; ignore it. */
8249 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8250 machineMove, _(cps->which));
8251 DisplayMoveError(buf1);
8252 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8253 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8254 if (gameMode == TwoMachinesPlay) {
8255 GameEnds(machineWhite ? BlackWins : WhiteWins,
8261 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8262 /* So we have to redo legality test with true e.p. status here, */
8263 /* to make sure an illegal e.p. capture does not slip through, */
8264 /* to cause a forfeit on a justified illegal-move complaint */
8265 /* of the opponent. */
8266 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8268 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8269 fromY, fromX, toY, toX, promoChar);
8270 if(moveType == IllegalMove) {
8271 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8272 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8273 GameEnds(machineWhite ? BlackWins : WhiteWins,
8276 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8277 /* [HGM] Kludge to handle engines that send FRC-style castling
8278 when they shouldn't (like TSCP-Gothic) */
8280 case WhiteASideCastleFR:
8281 case BlackASideCastleFR:
8283 currentMoveString[2]++;
8285 case WhiteHSideCastleFR:
8286 case BlackHSideCastleFR:
8288 currentMoveString[2]--;
8290 default: ; // nothing to do, but suppresses warning of pedantic compilers
8293 hintRequested = FALSE;
8294 lastHint[0] = NULLCHAR;
8295 bookRequested = FALSE;
8296 /* Program may be pondering now */
8297 cps->maybeThinking = TRUE;
8298 if (cps->sendTime == 2) cps->sendTime = 1;
8299 if (cps->offeredDraw) cps->offeredDraw--;
8301 /* [AS] Save move info*/
8302 pvInfoList[ forwardMostMove ].score = programStats.score;
8303 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8304 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8306 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8308 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8309 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8312 while( count < adjudicateLossPlies ) {
8313 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8316 score = -score; /* Flip score for winning side */
8319 if( score > adjudicateLossThreshold ) {
8326 if( count >= adjudicateLossPlies ) {
8327 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8329 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8330 "Xboard adjudication",
8337 if(Adjudicate(cps)) {
8338 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8339 return; // [HGM] adjudicate: for all automatic game ends
8343 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8345 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8346 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8348 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8350 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8352 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8353 char buf[3*MSG_SIZ];
8355 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8356 programStats.score / 100.,
8358 programStats.time / 100.,
8359 (unsigned int)programStats.nodes,
8360 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8361 programStats.movelist);
8363 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8368 /* [AS] Clear stats for next move */
8369 ClearProgramStats();
8370 thinkOutput[0] = NULLCHAR;
8371 hiddenThinkOutputState = 0;
8374 if (gameMode == TwoMachinesPlay) {
8375 /* [HGM] relaying draw offers moved to after reception of move */
8376 /* and interpreting offer as claim if it brings draw condition */
8377 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8378 SendToProgram("draw\n", cps->other);
8380 if (cps->other->sendTime) {
8381 SendTimeRemaining(cps->other,
8382 cps->other->twoMachinesColor[0] == 'w');
8384 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8385 if (firstMove && !bookHit) {
8387 if (cps->other->useColors) {
8388 SendToProgram(cps->other->twoMachinesColor, cps->other);
8390 SendToProgram("go\n", cps->other);
8392 cps->other->maybeThinking = TRUE;
8395 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8397 if (!pausing && appData.ringBellAfterMoves) {
8402 * Reenable menu items that were disabled while
8403 * machine was thinking
8405 if (gameMode != TwoMachinesPlay)
8406 SetUserThinkingEnables();
8408 // [HGM] book: after book hit opponent has received move and is now in force mode
8409 // force the book reply into it, and then fake that it outputted this move by jumping
8410 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8412 static char bookMove[MSG_SIZ]; // a bit generous?
8414 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8415 strcat(bookMove, bookHit);
8418 programStats.nodes = programStats.depth = programStats.time =
8419 programStats.score = programStats.got_only_move = 0;
8420 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8422 if(cps->lastPing != cps->lastPong) {
8423 savedMessage = message; // args for deferred call
8425 ScheduleDelayedEvent(DeferredBookMove, 10);
8434 /* Set special modes for chess engines. Later something general
8435 * could be added here; for now there is just one kludge feature,
8436 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8437 * when "xboard" is given as an interactive command.
8439 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8440 cps->useSigint = FALSE;
8441 cps->useSigterm = FALSE;
8443 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8444 ParseFeatures(message+8, cps);
8445 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8448 if (!strncmp(message, "setup ", 6) &&
8449 (!appData.testLegality || gameInfo.variant == VariantFairy || NonStandardBoardSize())
8450 ) { // [HGM] allow first engine to define opening position
8451 int dummy, s=6; char buf[MSG_SIZ];
8452 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8453 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8454 if(startedFromSetupPosition) return;
8455 if(sscanf(message+s, "%dx%d+%d", &dummy, &dummy, &dummy) == 3) while(message[s] && message[s++] != ' '); // for compatibility with Alien Edition
8456 ParseFEN(boards[0], &dummy, message+s);
8457 DrawPosition(TRUE, boards[0]);
8458 startedFromSetupPosition = TRUE;
8461 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8462 * want this, I was asked to put it in, and obliged.
8464 if (!strncmp(message, "setboard ", 9)) {
8465 Board initial_position;
8467 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8469 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8470 DisplayError(_("Bad FEN received from engine"), 0);
8474 CopyBoard(boards[0], initial_position);
8475 initialRulePlies = FENrulePlies;
8476 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8477 else gameMode = MachinePlaysBlack;
8478 DrawPosition(FALSE, boards[currentMove]);
8484 * Look for communication commands
8486 if (!strncmp(message, "telluser ", 9)) {
8487 if(message[9] == '\\' && message[10] == '\\')
8488 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8490 DisplayNote(message + 9);
8493 if (!strncmp(message, "tellusererror ", 14)) {
8495 if(message[14] == '\\' && message[15] == '\\')
8496 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8498 DisplayError(message + 14, 0);
8501 if (!strncmp(message, "tellopponent ", 13)) {
8502 if (appData.icsActive) {
8504 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8508 DisplayNote(message + 13);
8512 if (!strncmp(message, "tellothers ", 11)) {
8513 if (appData.icsActive) {
8515 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8518 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8521 if (!strncmp(message, "tellall ", 8)) {
8522 if (appData.icsActive) {
8524 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8528 DisplayNote(message + 8);
8532 if (strncmp(message, "warning", 7) == 0) {
8533 /* Undocumented feature, use tellusererror in new code */
8534 DisplayError(message, 0);
8537 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8538 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8539 strcat(realname, " query");
8540 AskQuestion(realname, buf2, buf1, cps->pr);
8543 /* Commands from the engine directly to ICS. We don't allow these to be
8544 * sent until we are logged on. Crafty kibitzes have been known to
8545 * interfere with the login process.
8548 if (!strncmp(message, "tellics ", 8)) {
8549 SendToICS(message + 8);
8553 if (!strncmp(message, "tellicsnoalias ", 15)) {
8554 SendToICS(ics_prefix);
8555 SendToICS(message + 15);
8559 /* The following are for backward compatibility only */
8560 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8561 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8562 SendToICS(ics_prefix);
8568 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8572 * If the move is illegal, cancel it and redraw the board.
8573 * Also deal with other error cases. Matching is rather loose
8574 * here to accommodate engines written before the spec.
8576 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8577 strncmp(message, "Error", 5) == 0) {
8578 if (StrStr(message, "name") ||
8579 StrStr(message, "rating") || StrStr(message, "?") ||
8580 StrStr(message, "result") || StrStr(message, "board") ||
8581 StrStr(message, "bk") || StrStr(message, "computer") ||
8582 StrStr(message, "variant") || StrStr(message, "hint") ||
8583 StrStr(message, "random") || StrStr(message, "depth") ||
8584 StrStr(message, "accepted")) {
8587 if (StrStr(message, "protover")) {
8588 /* Program is responding to input, so it's apparently done
8589 initializing, and this error message indicates it is
8590 protocol version 1. So we don't need to wait any longer
8591 for it to initialize and send feature commands. */
8592 FeatureDone(cps, 1);
8593 cps->protocolVersion = 1;
8596 cps->maybeThinking = FALSE;
8598 if (StrStr(message, "draw")) {
8599 /* Program doesn't have "draw" command */
8600 cps->sendDrawOffers = 0;
8603 if (cps->sendTime != 1 &&
8604 (StrStr(message, "time") || StrStr(message, "otim"))) {
8605 /* Program apparently doesn't have "time" or "otim" command */
8609 if (StrStr(message, "analyze")) {
8610 cps->analysisSupport = FALSE;
8611 cps->analyzing = FALSE;
8612 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8613 EditGameEvent(); // [HGM] try to preserve loaded game
8614 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8615 DisplayError(buf2, 0);
8618 if (StrStr(message, "(no matching move)st")) {
8619 /* Special kludge for GNU Chess 4 only */
8620 cps->stKludge = TRUE;
8621 SendTimeControl(cps, movesPerSession, timeControl,
8622 timeIncrement, appData.searchDepth,
8626 if (StrStr(message, "(no matching move)sd")) {
8627 /* Special kludge for GNU Chess 4 only */
8628 cps->sdKludge = TRUE;
8629 SendTimeControl(cps, movesPerSession, timeControl,
8630 timeIncrement, appData.searchDepth,
8634 if (!StrStr(message, "llegal")) {
8637 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8638 gameMode == IcsIdle) return;
8639 if (forwardMostMove <= backwardMostMove) return;
8640 if (pausing) PauseEvent();
8641 if(appData.forceIllegal) {
8642 // [HGM] illegal: machine refused move; force position after move into it
8643 SendToProgram("force\n", cps);
8644 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8645 // we have a real problem now, as SendBoard will use the a2a3 kludge
8646 // when black is to move, while there might be nothing on a2 or black
8647 // might already have the move. So send the board as if white has the move.
8648 // But first we must change the stm of the engine, as it refused the last move
8649 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8650 if(WhiteOnMove(forwardMostMove)) {
8651 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8652 SendBoard(cps, forwardMostMove); // kludgeless board
8654 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8655 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8656 SendBoard(cps, forwardMostMove+1); // kludgeless board
8658 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8659 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8660 gameMode == TwoMachinesPlay)
8661 SendToProgram("go\n", cps);
8664 if (gameMode == PlayFromGameFile) {
8665 /* Stop reading this game file */
8666 gameMode = EditGame;
8669 /* [HGM] illegal-move claim should forfeit game when Xboard */
8670 /* only passes fully legal moves */
8671 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8672 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8673 "False illegal-move claim", GE_XBOARD );
8674 return; // do not take back move we tested as valid
8676 currentMove = forwardMostMove-1;
8677 DisplayMove(currentMove-1); /* before DisplayMoveError */
8678 SwitchClocks(forwardMostMove-1); // [HGM] race
8679 DisplayBothClocks();
8680 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8681 parseList[currentMove], _(cps->which));
8682 DisplayMoveError(buf1);
8683 DrawPosition(FALSE, boards[currentMove]);
8685 SetUserThinkingEnables();
8688 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8689 /* Program has a broken "time" command that
8690 outputs a string not ending in newline.
8696 * If chess program startup fails, exit with an error message.
8697 * Attempts to recover here are futile. [HGM] Well, we try anyway
8699 if ((StrStr(message, "unknown host") != NULL)
8700 || (StrStr(message, "No remote directory") != NULL)
8701 || (StrStr(message, "not found") != NULL)
8702 || (StrStr(message, "No such file") != NULL)
8703 || (StrStr(message, "can't alloc") != NULL)
8704 || (StrStr(message, "Permission denied") != NULL)) {
8706 cps->maybeThinking = FALSE;
8707 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8708 _(cps->which), cps->program, cps->host, message);
8709 RemoveInputSource(cps->isr);
8710 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8711 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8712 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8718 * Look for hint output
8720 if (sscanf(message, "Hint: %s", buf1) == 1) {
8721 if (cps == &first && hintRequested) {
8722 hintRequested = FALSE;
8723 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8724 &fromX, &fromY, &toX, &toY, &promoChar)) {
8725 (void) CoordsToAlgebraic(boards[forwardMostMove],
8726 PosFlags(forwardMostMove),
8727 fromY, fromX, toY, toX, promoChar, buf1);
8728 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8729 DisplayInformation(buf2);
8731 /* Hint move could not be parsed!? */
8732 snprintf(buf2, sizeof(buf2),
8733 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8734 buf1, _(cps->which));
8735 DisplayError(buf2, 0);
8738 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8744 * Ignore other messages if game is not in progress
8746 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8747 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8750 * look for win, lose, draw, or draw offer
8752 if (strncmp(message, "1-0", 3) == 0) {
8753 char *p, *q, *r = "";
8754 p = strchr(message, '{');
8762 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8764 } else if (strncmp(message, "0-1", 3) == 0) {
8765 char *p, *q, *r = "";
8766 p = strchr(message, '{');
8774 /* Kludge for Arasan 4.1 bug */
8775 if (strcmp(r, "Black resigns") == 0) {
8776 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8779 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8781 } else if (strncmp(message, "1/2", 3) == 0) {
8782 char *p, *q, *r = "";
8783 p = strchr(message, '{');
8792 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8795 } else if (strncmp(message, "White resign", 12) == 0) {
8796 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8798 } else if (strncmp(message, "Black resign", 12) == 0) {
8799 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8801 } else if (strncmp(message, "White matches", 13) == 0 ||
8802 strncmp(message, "Black matches", 13) == 0 ) {
8803 /* [HGM] ignore GNUShogi noises */
8805 } else if (strncmp(message, "White", 5) == 0 &&
8806 message[5] != '(' &&
8807 StrStr(message, "Black") == NULL) {
8808 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8810 } else if (strncmp(message, "Black", 5) == 0 &&
8811 message[5] != '(') {
8812 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8814 } else if (strcmp(message, "resign") == 0 ||
8815 strcmp(message, "computer resigns") == 0) {
8817 case MachinePlaysBlack:
8818 case IcsPlayingBlack:
8819 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8821 case MachinePlaysWhite:
8822 case IcsPlayingWhite:
8823 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8825 case TwoMachinesPlay:
8826 if (cps->twoMachinesColor[0] == 'w')
8827 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8829 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8836 } else if (strncmp(message, "opponent mates", 14) == 0) {
8838 case MachinePlaysBlack:
8839 case IcsPlayingBlack:
8840 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8842 case MachinePlaysWhite:
8843 case IcsPlayingWhite:
8844 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8846 case TwoMachinesPlay:
8847 if (cps->twoMachinesColor[0] == 'w')
8848 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8850 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8857 } else if (strncmp(message, "computer mates", 14) == 0) {
8859 case MachinePlaysBlack:
8860 case IcsPlayingBlack:
8861 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8863 case MachinePlaysWhite:
8864 case IcsPlayingWhite:
8865 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8867 case TwoMachinesPlay:
8868 if (cps->twoMachinesColor[0] == 'w')
8869 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8871 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8878 } else if (strncmp(message, "checkmate", 9) == 0) {
8879 if (WhiteOnMove(forwardMostMove)) {
8880 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8882 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8885 } else if (strstr(message, "Draw") != NULL ||
8886 strstr(message, "game is a draw") != NULL) {
8887 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8889 } else if (strstr(message, "offer") != NULL &&
8890 strstr(message, "draw") != NULL) {
8892 if (appData.zippyPlay && first.initDone) {
8893 /* Relay offer to ICS */
8894 SendToICS(ics_prefix);
8895 SendToICS("draw\n");
8898 cps->offeredDraw = 2; /* valid until this engine moves twice */
8899 if (gameMode == TwoMachinesPlay) {
8900 if (cps->other->offeredDraw) {
8901 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8902 /* [HGM] in two-machine mode we delay relaying draw offer */
8903 /* until after we also have move, to see if it is really claim */
8905 } else if (gameMode == MachinePlaysWhite ||
8906 gameMode == MachinePlaysBlack) {
8907 if (userOfferedDraw) {
8908 DisplayInformation(_("Machine accepts your draw offer"));
8909 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8911 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8918 * Look for thinking output
8920 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8921 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8923 int plylev, mvleft, mvtot, curscore, time;
8924 char mvname[MOVE_LEN];
8928 int prefixHint = FALSE;
8929 mvname[0] = NULLCHAR;
8932 case MachinePlaysBlack:
8933 case IcsPlayingBlack:
8934 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8936 case MachinePlaysWhite:
8937 case IcsPlayingWhite:
8938 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8943 case IcsObserving: /* [DM] icsEngineAnalyze */
8944 if (!appData.icsEngineAnalyze) ignore = TRUE;
8946 case TwoMachinesPlay:
8947 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8957 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8959 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8960 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8962 if (plyext != ' ' && plyext != '\t') {
8966 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8967 if( cps->scoreIsAbsolute &&
8968 ( gameMode == MachinePlaysBlack ||
8969 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8970 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8971 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8972 !WhiteOnMove(currentMove)
8975 curscore = -curscore;
8978 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8980 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8983 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8984 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8985 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8986 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8987 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8988 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8990 } else DisplayError(_("failed writing PV"), 0);
8993 tempStats.depth = plylev;
8994 tempStats.nodes = nodes;
8995 tempStats.time = time;
8996 tempStats.score = curscore;
8997 tempStats.got_only_move = 0;
8999 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9002 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9003 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9004 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9005 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9006 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9007 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9008 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9009 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9012 /* Buffer overflow protection */
9013 if (pv[0] != NULLCHAR) {
9014 if (strlen(pv) >= sizeof(tempStats.movelist)
9015 && appData.debugMode) {
9017 "PV is too long; using the first %u bytes.\n",
9018 (unsigned) sizeof(tempStats.movelist) - 1);
9021 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9023 sprintf(tempStats.movelist, " no PV\n");
9026 if (tempStats.seen_stat) {
9027 tempStats.ok_to_send = 1;
9030 if (strchr(tempStats.movelist, '(') != NULL) {
9031 tempStats.line_is_book = 1;
9032 tempStats.nr_moves = 0;
9033 tempStats.moves_left = 0;
9035 tempStats.line_is_book = 0;
9038 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9039 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9041 SendProgramStatsToFrontend( cps, &tempStats );
9044 [AS] Protect the thinkOutput buffer from overflow... this
9045 is only useful if buf1 hasn't overflowed first!
9047 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9049 (gameMode == TwoMachinesPlay ?
9050 ToUpper(cps->twoMachinesColor[0]) : ' '),
9051 ((double) curscore) / 100.0,
9052 prefixHint ? lastHint : "",
9053 prefixHint ? " " : "" );
9055 if( buf1[0] != NULLCHAR ) {
9056 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9058 if( strlen(pv) > max_len ) {
9059 if( appData.debugMode) {
9060 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9062 pv[max_len+1] = '\0';
9065 strcat( thinkOutput, pv);
9068 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9069 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9070 DisplayMove(currentMove - 1);
9074 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9075 /* crafty (9.25+) says "(only move) <move>"
9076 * if there is only 1 legal move
9078 sscanf(p, "(only move) %s", buf1);
9079 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9080 sprintf(programStats.movelist, "%s (only move)", buf1);
9081 programStats.depth = 1;
9082 programStats.nr_moves = 1;
9083 programStats.moves_left = 1;
9084 programStats.nodes = 1;
9085 programStats.time = 1;
9086 programStats.got_only_move = 1;
9088 /* Not really, but we also use this member to
9089 mean "line isn't going to change" (Crafty
9090 isn't searching, so stats won't change) */
9091 programStats.line_is_book = 1;
9093 SendProgramStatsToFrontend( cps, &programStats );
9095 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9096 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9097 DisplayMove(currentMove - 1);
9100 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9101 &time, &nodes, &plylev, &mvleft,
9102 &mvtot, mvname) >= 5) {
9103 /* The stat01: line is from Crafty (9.29+) in response
9104 to the "." command */
9105 programStats.seen_stat = 1;
9106 cps->maybeThinking = TRUE;
9108 if (programStats.got_only_move || !appData.periodicUpdates)
9111 programStats.depth = plylev;
9112 programStats.time = time;
9113 programStats.nodes = nodes;
9114 programStats.moves_left = mvleft;
9115 programStats.nr_moves = mvtot;
9116 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9117 programStats.ok_to_send = 1;
9118 programStats.movelist[0] = '\0';
9120 SendProgramStatsToFrontend( cps, &programStats );
9124 } else if (strncmp(message,"++",2) == 0) {
9125 /* Crafty 9.29+ outputs this */
9126 programStats.got_fail = 2;
9129 } else if (strncmp(message,"--",2) == 0) {
9130 /* Crafty 9.29+ outputs this */
9131 programStats.got_fail = 1;
9134 } else if (thinkOutput[0] != NULLCHAR &&
9135 strncmp(message, " ", 4) == 0) {
9136 unsigned message_len;
9139 while (*p && *p == ' ') p++;
9141 message_len = strlen( p );
9143 /* [AS] Avoid buffer overflow */
9144 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9145 strcat(thinkOutput, " ");
9146 strcat(thinkOutput, p);
9149 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9150 strcat(programStats.movelist, " ");
9151 strcat(programStats.movelist, p);
9154 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9155 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9156 DisplayMove(currentMove - 1);
9164 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9165 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9167 ChessProgramStats cpstats;
9169 if (plyext != ' ' && plyext != '\t') {
9173 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9174 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9175 curscore = -curscore;
9178 cpstats.depth = plylev;
9179 cpstats.nodes = nodes;
9180 cpstats.time = time;
9181 cpstats.score = curscore;
9182 cpstats.got_only_move = 0;
9183 cpstats.movelist[0] = '\0';
9185 if (buf1[0] != NULLCHAR) {
9186 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9189 cpstats.ok_to_send = 0;
9190 cpstats.line_is_book = 0;
9191 cpstats.nr_moves = 0;
9192 cpstats.moves_left = 0;
9194 SendProgramStatsToFrontend( cps, &cpstats );
9201 /* Parse a game score from the character string "game", and
9202 record it as the history of the current game. The game
9203 score is NOT assumed to start from the standard position.
9204 The display is not updated in any way.
9207 ParseGameHistory (char *game)
9210 int fromX, fromY, toX, toY, boardIndex;
9215 if (appData.debugMode)
9216 fprintf(debugFP, "Parsing game history: %s\n", game);
9218 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9219 gameInfo.site = StrSave(appData.icsHost);
9220 gameInfo.date = PGNDate();
9221 gameInfo.round = StrSave("-");
9223 /* Parse out names of players */
9224 while (*game == ' ') game++;
9226 while (*game != ' ') *p++ = *game++;
9228 gameInfo.white = StrSave(buf);
9229 while (*game == ' ') game++;
9231 while (*game != ' ' && *game != '\n') *p++ = *game++;
9233 gameInfo.black = StrSave(buf);
9236 boardIndex = blackPlaysFirst ? 1 : 0;
9239 yyboardindex = boardIndex;
9240 moveType = (ChessMove) Myylex();
9242 case IllegalMove: /* maybe suicide chess, etc. */
9243 if (appData.debugMode) {
9244 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9245 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9246 setbuf(debugFP, NULL);
9248 case WhitePromotion:
9249 case BlackPromotion:
9250 case WhiteNonPromotion:
9251 case BlackNonPromotion:
9253 case WhiteCapturesEnPassant:
9254 case BlackCapturesEnPassant:
9255 case WhiteKingSideCastle:
9256 case WhiteQueenSideCastle:
9257 case BlackKingSideCastle:
9258 case BlackQueenSideCastle:
9259 case WhiteKingSideCastleWild:
9260 case WhiteQueenSideCastleWild:
9261 case BlackKingSideCastleWild:
9262 case BlackQueenSideCastleWild:
9264 case WhiteHSideCastleFR:
9265 case WhiteASideCastleFR:
9266 case BlackHSideCastleFR:
9267 case BlackASideCastleFR:
9269 fromX = currentMoveString[0] - AAA;
9270 fromY = currentMoveString[1] - ONE;
9271 toX = currentMoveString[2] - AAA;
9272 toY = currentMoveString[3] - ONE;
9273 promoChar = currentMoveString[4];
9277 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9278 fromX = moveType == WhiteDrop ?
9279 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9280 (int) CharToPiece(ToLower(currentMoveString[0]));
9282 toX = currentMoveString[2] - AAA;
9283 toY = currentMoveString[3] - ONE;
9284 promoChar = NULLCHAR;
9288 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9289 if (appData.debugMode) {
9290 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9291 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9292 setbuf(debugFP, NULL);
9294 DisplayError(buf, 0);
9296 case ImpossibleMove:
9298 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9299 if (appData.debugMode) {
9300 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9301 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9302 setbuf(debugFP, NULL);
9304 DisplayError(buf, 0);
9307 if (boardIndex < backwardMostMove) {
9308 /* Oops, gap. How did that happen? */
9309 DisplayError(_("Gap in move list"), 0);
9312 backwardMostMove = blackPlaysFirst ? 1 : 0;
9313 if (boardIndex > forwardMostMove) {
9314 forwardMostMove = boardIndex;
9318 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9319 strcat(parseList[boardIndex-1], " ");
9320 strcat(parseList[boardIndex-1], yy_text);
9332 case GameUnfinished:
9333 if (gameMode == IcsExamining) {
9334 if (boardIndex < backwardMostMove) {
9335 /* Oops, gap. How did that happen? */
9338 backwardMostMove = blackPlaysFirst ? 1 : 0;
9341 gameInfo.result = moveType;
9342 p = strchr(yy_text, '{');
9343 if (p == NULL) p = strchr(yy_text, '(');
9346 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9348 q = strchr(p, *p == '{' ? '}' : ')');
9349 if (q != NULL) *q = NULLCHAR;
9352 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9353 gameInfo.resultDetails = StrSave(p);
9356 if (boardIndex >= forwardMostMove &&
9357 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9358 backwardMostMove = blackPlaysFirst ? 1 : 0;
9361 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9362 fromY, fromX, toY, toX, promoChar,
9363 parseList[boardIndex]);
9364 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9365 /* currentMoveString is set as a side-effect of yylex */
9366 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9367 strcat(moveList[boardIndex], "\n");
9369 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9370 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9376 if(gameInfo.variant != VariantShogi)
9377 strcat(parseList[boardIndex - 1], "+");
9381 strcat(parseList[boardIndex - 1], "#");
9388 /* Apply a move to the given board */
9390 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9392 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9393 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9395 /* [HGM] compute & store e.p. status and castling rights for new position */
9396 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9398 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9399 oldEP = (signed char)board[EP_STATUS];
9400 board[EP_STATUS] = EP_NONE;
9402 if (fromY == DROP_RANK) {
9404 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9405 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9408 piece = board[toY][toX] = (ChessSquare) fromX;
9412 if( board[toY][toX] != EmptySquare )
9413 board[EP_STATUS] = EP_CAPTURE;
9415 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9416 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9417 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9419 if( board[fromY][fromX] == WhitePawn ) {
9420 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9421 board[EP_STATUS] = EP_PAWN_MOVE;
9423 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9424 gameInfo.variant != VariantBerolina || toX < fromX)
9425 board[EP_STATUS] = toX | berolina;
9426 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9427 gameInfo.variant != VariantBerolina || toX > fromX)
9428 board[EP_STATUS] = toX;
9431 if( board[fromY][fromX] == BlackPawn ) {
9432 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9433 board[EP_STATUS] = EP_PAWN_MOVE;
9434 if( toY-fromY== -2) {
9435 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9436 gameInfo.variant != VariantBerolina || toX < fromX)
9437 board[EP_STATUS] = toX | berolina;
9438 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9439 gameInfo.variant != VariantBerolina || toX > fromX)
9440 board[EP_STATUS] = toX;
9444 for(i=0; i<nrCastlingRights; i++) {
9445 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9446 board[CASTLING][i] == toX && castlingRank[i] == toY
9447 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9450 if(gameInfo.variant == VariantSChess) { // update virginity
9451 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9452 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9453 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9454 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9457 if (fromX == toX && fromY == toY) return;
9459 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9460 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9461 if(gameInfo.variant == VariantKnightmate)
9462 king += (int) WhiteUnicorn - (int) WhiteKing;
9464 /* Code added by Tord: */
9465 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9466 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9467 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9468 board[fromY][fromX] = EmptySquare;
9469 board[toY][toX] = EmptySquare;
9470 if((toX > fromX) != (piece == WhiteRook)) {
9471 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9473 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9475 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9476 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9477 board[fromY][fromX] = EmptySquare;
9478 board[toY][toX] = EmptySquare;
9479 if((toX > fromX) != (piece == BlackRook)) {
9480 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9482 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9484 /* End of code added by Tord */
9486 } else if (board[fromY][fromX] == king
9487 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9488 && toY == fromY && toX > fromX+1) {
9489 board[fromY][fromX] = EmptySquare;
9490 board[toY][toX] = king;
9491 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9492 board[fromY][BOARD_RGHT-1] = EmptySquare;
9493 } else if (board[fromY][fromX] == king
9494 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9495 && toY == fromY && toX < fromX-1) {
9496 board[fromY][fromX] = EmptySquare;
9497 board[toY][toX] = king;
9498 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9499 board[fromY][BOARD_LEFT] = EmptySquare;
9500 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9501 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9502 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9504 /* white pawn promotion */
9505 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9506 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9507 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9508 board[fromY][fromX] = EmptySquare;
9509 } else if ((fromY >= BOARD_HEIGHT>>1)
9510 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9512 && gameInfo.variant != VariantXiangqi
9513 && gameInfo.variant != VariantBerolina
9514 && (board[fromY][fromX] == WhitePawn)
9515 && (board[toY][toX] == EmptySquare)) {
9516 board[fromY][fromX] = EmptySquare;
9517 board[toY][toX] = WhitePawn;
9518 captured = board[toY - 1][toX];
9519 board[toY - 1][toX] = EmptySquare;
9520 } else if ((fromY == BOARD_HEIGHT-4)
9522 && gameInfo.variant == VariantBerolina
9523 && (board[fromY][fromX] == WhitePawn)
9524 && (board[toY][toX] == EmptySquare)) {
9525 board[fromY][fromX] = EmptySquare;
9526 board[toY][toX] = WhitePawn;
9527 if(oldEP & EP_BEROLIN_A) {
9528 captured = board[fromY][fromX-1];
9529 board[fromY][fromX-1] = EmptySquare;
9530 }else{ captured = board[fromY][fromX+1];
9531 board[fromY][fromX+1] = EmptySquare;
9533 } else if (board[fromY][fromX] == king
9534 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9535 && toY == fromY && toX > fromX+1) {
9536 board[fromY][fromX] = EmptySquare;
9537 board[toY][toX] = king;
9538 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9539 board[fromY][BOARD_RGHT-1] = EmptySquare;
9540 } else if (board[fromY][fromX] == king
9541 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9542 && toY == fromY && toX < fromX-1) {
9543 board[fromY][fromX] = EmptySquare;
9544 board[toY][toX] = king;
9545 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9546 board[fromY][BOARD_LEFT] = EmptySquare;
9547 } else if (fromY == 7 && fromX == 3
9548 && board[fromY][fromX] == BlackKing
9549 && toY == 7 && toX == 5) {
9550 board[fromY][fromX] = EmptySquare;
9551 board[toY][toX] = BlackKing;
9552 board[fromY][7] = EmptySquare;
9553 board[toY][4] = BlackRook;
9554 } else if (fromY == 7 && fromX == 3
9555 && board[fromY][fromX] == BlackKing
9556 && toY == 7 && toX == 1) {
9557 board[fromY][fromX] = EmptySquare;
9558 board[toY][toX] = BlackKing;
9559 board[fromY][0] = EmptySquare;
9560 board[toY][2] = BlackRook;
9561 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9562 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9563 && toY < promoRank && promoChar
9565 /* black pawn promotion */
9566 board[toY][toX] = CharToPiece(ToLower(promoChar));
9567 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9568 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9569 board[fromY][fromX] = EmptySquare;
9570 } else if ((fromY < BOARD_HEIGHT>>1)
9571 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9573 && gameInfo.variant != VariantXiangqi
9574 && gameInfo.variant != VariantBerolina
9575 && (board[fromY][fromX] == BlackPawn)
9576 && (board[toY][toX] == EmptySquare)) {
9577 board[fromY][fromX] = EmptySquare;
9578 board[toY][toX] = BlackPawn;
9579 captured = board[toY + 1][toX];
9580 board[toY + 1][toX] = EmptySquare;
9581 } else if ((fromY == 3)
9583 && gameInfo.variant == VariantBerolina
9584 && (board[fromY][fromX] == BlackPawn)
9585 && (board[toY][toX] == EmptySquare)) {
9586 board[fromY][fromX] = EmptySquare;
9587 board[toY][toX] = BlackPawn;
9588 if(oldEP & EP_BEROLIN_A) {
9589 captured = board[fromY][fromX-1];
9590 board[fromY][fromX-1] = EmptySquare;
9591 }else{ captured = board[fromY][fromX+1];
9592 board[fromY][fromX+1] = EmptySquare;
9595 board[toY][toX] = board[fromY][fromX];
9596 board[fromY][fromX] = EmptySquare;
9600 if (gameInfo.holdingsWidth != 0) {
9602 /* !!A lot more code needs to be written to support holdings */
9603 /* [HGM] OK, so I have written it. Holdings are stored in the */
9604 /* penultimate board files, so they are automaticlly stored */
9605 /* in the game history. */
9606 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9607 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9608 /* Delete from holdings, by decreasing count */
9609 /* and erasing image if necessary */
9610 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9611 if(p < (int) BlackPawn) { /* white drop */
9612 p -= (int)WhitePawn;
9613 p = PieceToNumber((ChessSquare)p);
9614 if(p >= gameInfo.holdingsSize) p = 0;
9615 if(--board[p][BOARD_WIDTH-2] <= 0)
9616 board[p][BOARD_WIDTH-1] = EmptySquare;
9617 if((int)board[p][BOARD_WIDTH-2] < 0)
9618 board[p][BOARD_WIDTH-2] = 0;
9619 } else { /* black drop */
9620 p -= (int)BlackPawn;
9621 p = PieceToNumber((ChessSquare)p);
9622 if(p >= gameInfo.holdingsSize) p = 0;
9623 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9624 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9625 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9626 board[BOARD_HEIGHT-1-p][1] = 0;
9629 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9630 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9631 /* [HGM] holdings: Add to holdings, if holdings exist */
9632 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9633 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9634 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9637 if (p >= (int) BlackPawn) {
9638 p -= (int)BlackPawn;
9639 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9640 /* in Shogi restore piece to its original first */
9641 captured = (ChessSquare) (DEMOTED captured);
9644 p = PieceToNumber((ChessSquare)p);
9645 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9646 board[p][BOARD_WIDTH-2]++;
9647 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9649 p -= (int)WhitePawn;
9650 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9651 captured = (ChessSquare) (DEMOTED captured);
9654 p = PieceToNumber((ChessSquare)p);
9655 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9656 board[BOARD_HEIGHT-1-p][1]++;
9657 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9660 } else if (gameInfo.variant == VariantAtomic) {
9661 if (captured != EmptySquare) {
9663 for (y = toY-1; y <= toY+1; y++) {
9664 for (x = toX-1; x <= toX+1; x++) {
9665 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9666 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9667 board[y][x] = EmptySquare;
9671 board[toY][toX] = EmptySquare;
9674 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9675 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9677 if(promoChar == '+') {
9678 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9679 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9680 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9681 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9682 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9683 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9684 board[toY][toX] = newPiece;
9686 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9687 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9688 // [HGM] superchess: take promotion piece out of holdings
9689 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9690 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9691 if(!--board[k][BOARD_WIDTH-2])
9692 board[k][BOARD_WIDTH-1] = EmptySquare;
9694 if(!--board[BOARD_HEIGHT-1-k][1])
9695 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9701 /* Updates forwardMostMove */
9703 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9705 // forwardMostMove++; // [HGM] bare: moved downstream
9707 (void) CoordsToAlgebraic(boards[forwardMostMove],
9708 PosFlags(forwardMostMove),
9709 fromY, fromX, toY, toX, promoChar,
9710 parseList[forwardMostMove]);
9712 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9713 int timeLeft; static int lastLoadFlag=0; int king, piece;
9714 piece = boards[forwardMostMove][fromY][fromX];
9715 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9716 if(gameInfo.variant == VariantKnightmate)
9717 king += (int) WhiteUnicorn - (int) WhiteKing;
9718 if(forwardMostMove == 0) {
9719 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9720 fprintf(serverMoves, "%s;", UserName());
9721 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9722 fprintf(serverMoves, "%s;", second.tidy);
9723 fprintf(serverMoves, "%s;", first.tidy);
9724 if(gameMode == MachinePlaysWhite)
9725 fprintf(serverMoves, "%s;", UserName());
9726 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9727 fprintf(serverMoves, "%s;", second.tidy);
9728 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9729 lastLoadFlag = loadFlag;
9731 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9732 // print castling suffix
9733 if( toY == fromY && piece == king ) {
9735 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9737 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9740 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9741 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9742 boards[forwardMostMove][toY][toX] == EmptySquare
9743 && fromX != toX && fromY != toY)
9744 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9746 if(promoChar != NULLCHAR) {
9747 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9748 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9749 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9750 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9753 char buf[MOVE_LEN*2], *p; int len;
9754 fprintf(serverMoves, "/%d/%d",
9755 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9756 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9757 else timeLeft = blackTimeRemaining/1000;
9758 fprintf(serverMoves, "/%d", timeLeft);
9759 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9760 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9761 if(p = strchr(buf, '=')) *p = NULLCHAR;
9762 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9763 fprintf(serverMoves, "/%s", buf);
9765 fflush(serverMoves);
9768 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9769 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9772 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9773 if (commentList[forwardMostMove+1] != NULL) {
9774 free(commentList[forwardMostMove+1]);
9775 commentList[forwardMostMove+1] = NULL;
9777 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9778 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9779 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9780 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9781 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9782 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9783 adjustedClock = FALSE;
9784 gameInfo.result = GameUnfinished;
9785 if (gameInfo.resultDetails != NULL) {
9786 free(gameInfo.resultDetails);
9787 gameInfo.resultDetails = NULL;
9789 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9790 moveList[forwardMostMove - 1]);
9791 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9797 if(gameInfo.variant != VariantShogi)
9798 strcat(parseList[forwardMostMove - 1], "+");
9802 strcat(parseList[forwardMostMove - 1], "#");
9808 /* Updates currentMove if not pausing */
9810 ShowMove (int fromX, int fromY, int toX, int toY)
9812 int instant = (gameMode == PlayFromGameFile) ?
9813 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9814 if(appData.noGUI) return;
9815 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9817 if (forwardMostMove == currentMove + 1) {
9818 AnimateMove(boards[forwardMostMove - 1],
9819 fromX, fromY, toX, toY);
9822 currentMove = forwardMostMove;
9825 if (instant) return;
9827 DisplayMove(currentMove - 1);
9828 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9829 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9830 SetHighlights(fromX, fromY, toX, toY);
9833 DrawPosition(FALSE, boards[currentMove]);
9834 DisplayBothClocks();
9835 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9839 SendEgtPath (ChessProgramState *cps)
9840 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9841 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9843 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9846 char c, *q = name+1, *r, *s;
9848 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9849 while(*p && *p != ',') *q++ = *p++;
9851 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9852 strcmp(name, ",nalimov:") == 0 ) {
9853 // take nalimov path from the menu-changeable option first, if it is defined
9854 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9855 SendToProgram(buf,cps); // send egtbpath command for nalimov
9857 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9858 (s = StrStr(appData.egtFormats, name)) != NULL) {
9859 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9860 s = r = StrStr(s, ":") + 1; // beginning of path info
9861 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9862 c = *r; *r = 0; // temporarily null-terminate path info
9863 *--q = 0; // strip of trailig ':' from name
9864 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9866 SendToProgram(buf,cps); // send egtbpath command for this format
9868 if(*p == ',') p++; // read away comma to position for next format name
9873 NonStandardBoardSize ()
9875 /* [HGM] Awkward testing. Should really be a table */
9876 int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9877 if( gameInfo.variant == VariantXiangqi )
9878 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9879 if( gameInfo.variant == VariantShogi )
9880 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9881 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9882 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9883 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9884 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9885 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9886 if( gameInfo.variant == VariantCourier )
9887 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9888 if( gameInfo.variant == VariantSuper )
9889 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9890 if( gameInfo.variant == VariantGreat )
9891 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9892 if( gameInfo.variant == VariantSChess )
9893 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9894 if( gameInfo.variant == VariantGrand )
9895 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9900 InitChessProgram (ChessProgramState *cps, int setup)
9901 /* setup needed to setup FRC opening position */
9903 char buf[MSG_SIZ], b[MSG_SIZ];
9904 if (appData.noChessProgram) return;
9905 hintRequested = FALSE;
9906 bookRequested = FALSE;
9908 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9909 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9910 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9911 if(cps->memSize) { /* [HGM] memory */
9912 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9913 SendToProgram(buf, cps);
9915 SendEgtPath(cps); /* [HGM] EGT */
9916 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9917 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9918 SendToProgram(buf, cps);
9921 SendToProgram(cps->initString, cps);
9922 if (gameInfo.variant != VariantNormal &&
9923 gameInfo.variant != VariantLoadable
9924 /* [HGM] also send variant if board size non-standard */
9925 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9927 char *v = VariantName(gameInfo.variant);
9928 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9929 /* [HGM] in protocol 1 we have to assume all variants valid */
9930 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9931 DisplayFatalError(buf, 0, 1);
9935 if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
9936 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9937 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9938 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9939 if(StrStr(cps->variants, b) == NULL) {
9940 // specific sized variant not known, check if general sizing allowed
9941 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9942 if(StrStr(cps->variants, "boardsize") == NULL) {
9943 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9944 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9945 DisplayFatalError(buf, 0, 1);
9948 /* [HGM] here we really should compare with the maximum supported board size */
9951 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9952 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9953 SendToProgram(buf, cps);
9955 currentlyInitializedVariant = gameInfo.variant;
9957 /* [HGM] send opening position in FRC to first engine */
9959 SendToProgram("force\n", cps);
9961 /* engine is now in force mode! Set flag to wake it up after first move. */
9962 setboardSpoiledMachineBlack = 1;
9966 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9967 SendToProgram(buf, cps);
9969 cps->maybeThinking = FALSE;
9970 cps->offeredDraw = 0;
9971 if (!appData.icsActive) {
9972 SendTimeControl(cps, movesPerSession, timeControl,
9973 timeIncrement, appData.searchDepth,
9976 if (appData.showThinking
9977 // [HGM] thinking: four options require thinking output to be sent
9978 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9980 SendToProgram("post\n", cps);
9982 SendToProgram("hard\n", cps);
9983 if (!appData.ponderNextMove) {
9984 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9985 it without being sure what state we are in first. "hard"
9986 is not a toggle, so that one is OK.
9988 SendToProgram("easy\n", cps);
9991 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9992 SendToProgram(buf, cps);
9994 cps->initDone = TRUE;
9995 ClearEngineOutputPane(cps == &second);
10000 ResendOptions (ChessProgramState *cps)
10001 { // send the stored value of the options
10004 Option *opt = cps->option;
10005 for(i=0; i<cps->nrOptions; i++, opt++) {
10006 switch(opt->type) {
10010 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10013 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10016 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10022 SendToProgram(buf, cps);
10027 StartChessProgram (ChessProgramState *cps)
10032 if (appData.noChessProgram) return;
10033 cps->initDone = FALSE;
10035 if (strcmp(cps->host, "localhost") == 0) {
10036 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10037 } else if (*appData.remoteShell == NULLCHAR) {
10038 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10040 if (*appData.remoteUser == NULLCHAR) {
10041 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10044 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10045 cps->host, appData.remoteUser, cps->program);
10047 err = StartChildProcess(buf, "", &cps->pr);
10051 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10052 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10053 if(cps != &first) return;
10054 appData.noChessProgram = TRUE;
10057 // DisplayFatalError(buf, err, 1);
10058 // cps->pr = NoProc;
10059 // cps->isr = NULL;
10063 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10064 if (cps->protocolVersion > 1) {
10065 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10066 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10067 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10068 cps->comboCnt = 0; // and values of combo boxes
10070 SendToProgram(buf, cps);
10071 if(cps->reload) ResendOptions(cps);
10073 SendToProgram("xboard\n", cps);
10078 TwoMachinesEventIfReady P((void))
10080 static int curMess = 0;
10081 if (first.lastPing != first.lastPong) {
10082 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10083 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10086 if (second.lastPing != second.lastPong) {
10087 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10088 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10091 DisplayMessage("", ""); curMess = 0;
10092 TwoMachinesEvent();
10096 MakeName (char *template)
10100 static char buf[MSG_SIZ];
10104 clock = time((time_t *)NULL);
10105 tm = localtime(&clock);
10107 while(*p++ = *template++) if(p[-1] == '%') {
10108 switch(*template++) {
10109 case 0: *p = 0; return buf;
10110 case 'Y': i = tm->tm_year+1900; break;
10111 case 'y': i = tm->tm_year-100; break;
10112 case 'M': i = tm->tm_mon+1; break;
10113 case 'd': i = tm->tm_mday; break;
10114 case 'h': i = tm->tm_hour; break;
10115 case 'm': i = tm->tm_min; break;
10116 case 's': i = tm->tm_sec; break;
10119 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10125 CountPlayers (char *p)
10128 while(p = strchr(p, '\n')) p++, n++; // count participants
10133 WriteTourneyFile (char *results, FILE *f)
10134 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10135 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10136 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10137 // create a file with tournament description
10138 fprintf(f, "-participants {%s}\n", appData.participants);
10139 fprintf(f, "-seedBase %d\n", appData.seedBase);
10140 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10141 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10142 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10143 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10144 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10145 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10146 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10147 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10148 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10149 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10150 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10151 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10152 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10153 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10154 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10155 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10156 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10157 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10158 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10159 fprintf(f, "-smpCores %d\n", appData.smpCores);
10161 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10163 fprintf(f, "-mps %d\n", appData.movesPerSession);
10164 fprintf(f, "-tc %s\n", appData.timeControl);
10165 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10167 fprintf(f, "-results \"%s\"\n", results);
10172 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10175 Substitute (char *participants, int expunge)
10177 int i, changed, changes=0, nPlayers=0;
10178 char *p, *q, *r, buf[MSG_SIZ];
10179 if(participants == NULL) return;
10180 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10181 r = p = participants; q = appData.participants;
10182 while(*p && *p == *q) {
10183 if(*p == '\n') r = p+1, nPlayers++;
10186 if(*p) { // difference
10187 while(*p && *p++ != '\n');
10188 while(*q && *q++ != '\n');
10189 changed = nPlayers;
10190 changes = 1 + (strcmp(p, q) != 0);
10192 if(changes == 1) { // a single engine mnemonic was changed
10193 q = r; while(*q) nPlayers += (*q++ == '\n');
10194 p = buf; while(*r && (*p = *r++) != '\n') p++;
10196 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10197 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10198 if(mnemonic[i]) { // The substitute is valid
10200 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10201 flock(fileno(f), LOCK_EX);
10202 ParseArgsFromFile(f);
10203 fseek(f, 0, SEEK_SET);
10204 FREE(appData.participants); appData.participants = participants;
10205 if(expunge) { // erase results of replaced engine
10206 int len = strlen(appData.results), w, b, dummy;
10207 for(i=0; i<len; i++) {
10208 Pairing(i, nPlayers, &w, &b, &dummy);
10209 if((w == changed || b == changed) && appData.results[i] == '*') {
10210 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10215 for(i=0; i<len; i++) {
10216 Pairing(i, nPlayers, &w, &b, &dummy);
10217 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10220 WriteTourneyFile(appData.results, f);
10221 fclose(f); // release lock
10224 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10226 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10227 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10228 free(participants);
10233 CheckPlayers (char *participants)
10236 char buf[MSG_SIZ], *p;
10237 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10238 while(p = strchr(participants, '\n')) {
10240 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10242 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10244 DisplayError(buf, 0);
10248 participants = p + 1;
10254 CreateTourney (char *name)
10257 if(matchMode && strcmp(name, appData.tourneyFile)) {
10258 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10260 if(name[0] == NULLCHAR) {
10261 if(appData.participants[0])
10262 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10265 f = fopen(name, "r");
10266 if(f) { // file exists
10267 ASSIGN(appData.tourneyFile, name);
10268 ParseArgsFromFile(f); // parse it
10270 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10271 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10272 DisplayError(_("Not enough participants"), 0);
10275 if(CheckPlayers(appData.participants)) return 0;
10276 ASSIGN(appData.tourneyFile, name);
10277 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10278 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10281 appData.noChessProgram = FALSE;
10282 appData.clockMode = TRUE;
10288 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10290 char buf[MSG_SIZ], *p, *q;
10291 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10292 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10293 skip = !all && group[0]; // if group requested, we start in skip mode
10294 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10295 p = names; q = buf; header = 0;
10296 while(*p && *p != '\n') *q++ = *p++;
10298 if(*p == '\n') p++;
10299 if(buf[0] == '#') {
10300 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10301 depth++; // we must be entering a new group
10302 if(all) continue; // suppress printing group headers when complete list requested
10304 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10306 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10307 if(engineList[i]) free(engineList[i]);
10308 engineList[i] = strdup(buf);
10309 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10310 if(engineMnemonic[i]) free(engineMnemonic[i]);
10311 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10313 sscanf(q + 8, "%s", buf + strlen(buf));
10316 engineMnemonic[i] = strdup(buf);
10319 engineList[i] = engineMnemonic[i] = NULL;
10323 // following implemented as macro to avoid type limitations
10324 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10327 SwapEngines (int n)
10328 { // swap settings for first engine and other engine (so far only some selected options)
10333 SWAP(chessProgram, p)
10335 SWAP(hasOwnBookUCI, h)
10336 SWAP(protocolVersion, h)
10338 SWAP(scoreIsAbsolute, h)
10343 SWAP(engOptions, p)
10344 SWAP(engInitString, p)
10345 SWAP(computerString, p)
10347 SWAP(fenOverride, p)
10349 SWAP(accumulateTC, h)
10354 GetEngineLine (char *s, int n)
10358 extern char *icsNames;
10359 if(!s || !*s) return 0;
10360 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10361 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10362 if(!mnemonic[i]) return 0;
10363 if(n == 11) return 1; // just testing if there was a match
10364 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10365 if(n == 1) SwapEngines(n);
10366 ParseArgsFromString(buf);
10367 if(n == 1) SwapEngines(n);
10368 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10369 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10370 ParseArgsFromString(buf);
10376 SetPlayer (int player, char *p)
10377 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10379 char buf[MSG_SIZ], *engineName;
10380 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10381 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10382 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10384 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10385 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10386 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10387 ParseArgsFromString(buf);
10388 } else { // no engine with this nickname is installed!
10389 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10390 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10391 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10393 DisplayError(buf, 0);
10400 char *recentEngines;
10403 RecentEngineEvent (int nr)
10406 // SwapEngines(1); // bump first to second
10407 // ReplaceEngine(&second, 1); // and load it there
10408 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10409 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10410 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10411 ReplaceEngine(&first, 0);
10412 FloatToFront(&appData.recentEngineList, command[n]);
10417 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10418 { // determine players from game number
10419 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10421 if(appData.tourneyType == 0) {
10422 roundsPerCycle = (nPlayers - 1) | 1;
10423 pairingsPerRound = nPlayers / 2;
10424 } else if(appData.tourneyType > 0) {
10425 roundsPerCycle = nPlayers - appData.tourneyType;
10426 pairingsPerRound = appData.tourneyType;
10428 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10429 gamesPerCycle = gamesPerRound * roundsPerCycle;
10430 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10431 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10432 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10433 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10434 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10435 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10437 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10438 if(appData.roundSync) *syncInterval = gamesPerRound;
10440 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10442 if(appData.tourneyType == 0) {
10443 if(curPairing == (nPlayers-1)/2 ) {
10444 *whitePlayer = curRound;
10445 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10447 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10448 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10449 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10450 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10452 } else if(appData.tourneyType > 1) {
10453 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10454 *whitePlayer = curRound + appData.tourneyType;
10455 } else if(appData.tourneyType > 0) {
10456 *whitePlayer = curPairing;
10457 *blackPlayer = curRound + appData.tourneyType;
10460 // take care of white/black alternation per round.
10461 // For cycles and games this is already taken care of by default, derived from matchGame!
10462 return curRound & 1;
10466 NextTourneyGame (int nr, int *swapColors)
10467 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10469 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10471 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10472 tf = fopen(appData.tourneyFile, "r");
10473 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10474 ParseArgsFromFile(tf); fclose(tf);
10475 InitTimeControls(); // TC might be altered from tourney file
10477 nPlayers = CountPlayers(appData.participants); // count participants
10478 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10479 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10482 p = q = appData.results;
10483 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10484 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10485 DisplayMessage(_("Waiting for other game(s)"),"");
10486 waitingForGame = TRUE;
10487 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10490 waitingForGame = FALSE;
10493 if(appData.tourneyType < 0) {
10494 if(nr>=0 && !pairingReceived) {
10496 if(pairing.pr == NoProc) {
10497 if(!appData.pairingEngine[0]) {
10498 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10501 StartChessProgram(&pairing); // starts the pairing engine
10503 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10504 SendToProgram(buf, &pairing);
10505 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10506 SendToProgram(buf, &pairing);
10507 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10509 pairingReceived = 0; // ... so we continue here
10511 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10512 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10513 matchGame = 1; roundNr = nr / syncInterval + 1;
10516 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10518 // redefine engines, engine dir, etc.
10519 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10520 if(first.pr == NoProc) {
10521 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10522 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10524 if(second.pr == NoProc) {
10526 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10527 SwapEngines(1); // and make that valid for second engine by swapping
10528 InitEngine(&second, 1);
10530 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10531 UpdateLogos(FALSE); // leave display to ModeHiglight()
10537 { // performs game initialization that does not invoke engines, and then tries to start the game
10538 int res, firstWhite, swapColors = 0;
10539 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10540 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
10542 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10543 if(strcmp(buf, currentDebugFile)) { // name has changed
10544 FILE *f = fopen(buf, "w");
10545 if(f) { // if opening the new file failed, just keep using the old one
10546 ASSIGN(currentDebugFile, buf);
10550 if(appData.serverFileName) {
10551 if(serverFP) fclose(serverFP);
10552 serverFP = fopen(appData.serverFileName, "w");
10553 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10554 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10558 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10559 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10560 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10561 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10562 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10563 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10564 Reset(FALSE, first.pr != NoProc);
10565 res = LoadGameOrPosition(matchGame); // setup game
10566 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10567 if(!res) return; // abort when bad game/pos file
10568 TwoMachinesEvent();
10572 UserAdjudicationEvent (int result)
10574 ChessMove gameResult = GameIsDrawn;
10577 gameResult = WhiteWins;
10579 else if( result < 0 ) {
10580 gameResult = BlackWins;
10583 if( gameMode == TwoMachinesPlay ) {
10584 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10589 // [HGM] save: calculate checksum of game to make games easily identifiable
10591 StringCheckSum (char *s)
10594 if(s==NULL) return 0;
10595 while(*s) i = i*259 + *s++;
10603 for(i=backwardMostMove; i<forwardMostMove; i++) {
10604 sum += pvInfoList[i].depth;
10605 sum += StringCheckSum(parseList[i]);
10606 sum += StringCheckSum(commentList[i]);
10609 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10610 return sum + StringCheckSum(commentList[i]);
10611 } // end of save patch
10614 GameEnds (ChessMove result, char *resultDetails, int whosays)
10616 GameMode nextGameMode;
10618 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10620 if(endingGame) return; /* [HGM] crash: forbid recursion */
10622 if(twoBoards) { // [HGM] dual: switch back to one board
10623 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10624 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10626 if (appData.debugMode) {
10627 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10628 result, resultDetails ? resultDetails : "(null)", whosays);
10631 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10633 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10635 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10636 /* If we are playing on ICS, the server decides when the
10637 game is over, but the engine can offer to draw, claim
10641 if (appData.zippyPlay && first.initDone) {
10642 if (result == GameIsDrawn) {
10643 /* In case draw still needs to be claimed */
10644 SendToICS(ics_prefix);
10645 SendToICS("draw\n");
10646 } else if (StrCaseStr(resultDetails, "resign")) {
10647 SendToICS(ics_prefix);
10648 SendToICS("resign\n");
10652 endingGame = 0; /* [HGM] crash */
10656 /* If we're loading the game from a file, stop */
10657 if (whosays == GE_FILE) {
10658 (void) StopLoadGameTimer();
10662 /* Cancel draw offers */
10663 first.offeredDraw = second.offeredDraw = 0;
10665 /* If this is an ICS game, only ICS can really say it's done;
10666 if not, anyone can. */
10667 isIcsGame = (gameMode == IcsPlayingWhite ||
10668 gameMode == IcsPlayingBlack ||
10669 gameMode == IcsObserving ||
10670 gameMode == IcsExamining);
10672 if (!isIcsGame || whosays == GE_ICS) {
10673 /* OK -- not an ICS game, or ICS said it was done */
10675 if (!isIcsGame && !appData.noChessProgram)
10676 SetUserThinkingEnables();
10678 /* [HGM] if a machine claims the game end we verify this claim */
10679 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10680 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10682 ChessMove trueResult = (ChessMove) -1;
10684 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10685 first.twoMachinesColor[0] :
10686 second.twoMachinesColor[0] ;
10688 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10689 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10690 /* [HGM] verify: engine mate claims accepted if they were flagged */
10691 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10693 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10694 /* [HGM] verify: engine mate claims accepted if they were flagged */
10695 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10697 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10698 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10701 // now verify win claims, but not in drop games, as we don't understand those yet
10702 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10703 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10704 (result == WhiteWins && claimer == 'w' ||
10705 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10706 if (appData.debugMode) {
10707 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10708 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10710 if(result != trueResult) {
10711 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10712 result = claimer == 'w' ? BlackWins : WhiteWins;
10713 resultDetails = buf;
10716 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10717 && (forwardMostMove <= backwardMostMove ||
10718 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10719 (claimer=='b')==(forwardMostMove&1))
10721 /* [HGM] verify: draws that were not flagged are false claims */
10722 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10723 result = claimer == 'w' ? BlackWins : WhiteWins;
10724 resultDetails = buf;
10726 /* (Claiming a loss is accepted no questions asked!) */
10727 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10728 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10729 result = GameUnfinished;
10730 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10732 /* [HGM] bare: don't allow bare King to win */
10733 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10734 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10735 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10736 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10737 && result != GameIsDrawn)
10738 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10739 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10740 int p = (signed char)boards[forwardMostMove][i][j] - color;
10741 if(p >= 0 && p <= (int)WhiteKing) k++;
10743 if (appData.debugMode) {
10744 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10745 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10748 result = GameIsDrawn;
10749 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10750 resultDetails = buf;
10756 if(serverMoves != NULL && !loadFlag) { char c = '=';
10757 if(result==WhiteWins) c = '+';
10758 if(result==BlackWins) c = '-';
10759 if(resultDetails != NULL)
10760 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10762 if (resultDetails != NULL) {
10763 gameInfo.result = result;
10764 gameInfo.resultDetails = StrSave(resultDetails);
10766 /* display last move only if game was not loaded from file */
10767 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10768 DisplayMove(currentMove - 1);
10770 if (forwardMostMove != 0) {
10771 if (gameMode != PlayFromGameFile && gameMode != EditGame
10772 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10774 if (*appData.saveGameFile != NULLCHAR) {
10775 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10776 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10778 SaveGameToFile(appData.saveGameFile, TRUE);
10779 } else if (appData.autoSaveGames) {
10780 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
10782 if (*appData.savePositionFile != NULLCHAR) {
10783 SavePositionToFile(appData.savePositionFile);
10785 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10789 /* Tell program how game ended in case it is learning */
10790 /* [HGM] Moved this to after saving the PGN, just in case */
10791 /* engine died and we got here through time loss. In that */
10792 /* case we will get a fatal error writing the pipe, which */
10793 /* would otherwise lose us the PGN. */
10794 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10795 /* output during GameEnds should never be fatal anymore */
10796 if (gameMode == MachinePlaysWhite ||
10797 gameMode == MachinePlaysBlack ||
10798 gameMode == TwoMachinesPlay ||
10799 gameMode == IcsPlayingWhite ||
10800 gameMode == IcsPlayingBlack ||
10801 gameMode == BeginningOfGame) {
10803 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10805 if (first.pr != NoProc) {
10806 SendToProgram(buf, &first);
10808 if (second.pr != NoProc &&
10809 gameMode == TwoMachinesPlay) {
10810 SendToProgram(buf, &second);
10815 if (appData.icsActive) {
10816 if (appData.quietPlay &&
10817 (gameMode == IcsPlayingWhite ||
10818 gameMode == IcsPlayingBlack)) {
10819 SendToICS(ics_prefix);
10820 SendToICS("set shout 1\n");
10822 nextGameMode = IcsIdle;
10823 ics_user_moved = FALSE;
10824 /* clean up premove. It's ugly when the game has ended and the
10825 * premove highlights are still on the board.
10828 gotPremove = FALSE;
10829 ClearPremoveHighlights();
10830 DrawPosition(FALSE, boards[currentMove]);
10832 if (whosays == GE_ICS) {
10835 if (gameMode == IcsPlayingWhite)
10837 else if(gameMode == IcsPlayingBlack)
10838 PlayIcsLossSound();
10841 if (gameMode == IcsPlayingBlack)
10843 else if(gameMode == IcsPlayingWhite)
10844 PlayIcsLossSound();
10847 PlayIcsDrawSound();
10850 PlayIcsUnfinishedSound();
10853 } else if (gameMode == EditGame ||
10854 gameMode == PlayFromGameFile ||
10855 gameMode == AnalyzeMode ||
10856 gameMode == AnalyzeFile) {
10857 nextGameMode = gameMode;
10859 nextGameMode = EndOfGame;
10864 nextGameMode = gameMode;
10867 if (appData.noChessProgram) {
10868 gameMode = nextGameMode;
10870 endingGame = 0; /* [HGM] crash */
10875 /* Put first chess program into idle state */
10876 if (first.pr != NoProc &&
10877 (gameMode == MachinePlaysWhite ||
10878 gameMode == MachinePlaysBlack ||
10879 gameMode == TwoMachinesPlay ||
10880 gameMode == IcsPlayingWhite ||
10881 gameMode == IcsPlayingBlack ||
10882 gameMode == BeginningOfGame)) {
10883 SendToProgram("force\n", &first);
10884 if (first.usePing) {
10886 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10887 SendToProgram(buf, &first);
10890 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10891 /* Kill off first chess program */
10892 if (first.isr != NULL)
10893 RemoveInputSource(first.isr);
10896 if (first.pr != NoProc) {
10898 DoSleep( appData.delayBeforeQuit );
10899 SendToProgram("quit\n", &first);
10900 DoSleep( appData.delayAfterQuit );
10901 DestroyChildProcess(first.pr, first.useSigterm);
10902 first.reload = TRUE;
10906 if (second.reuse) {
10907 /* Put second chess program into idle state */
10908 if (second.pr != NoProc &&
10909 gameMode == TwoMachinesPlay) {
10910 SendToProgram("force\n", &second);
10911 if (second.usePing) {
10913 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10914 SendToProgram(buf, &second);
10917 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10918 /* Kill off second chess program */
10919 if (second.isr != NULL)
10920 RemoveInputSource(second.isr);
10923 if (second.pr != NoProc) {
10924 DoSleep( appData.delayBeforeQuit );
10925 SendToProgram("quit\n", &second);
10926 DoSleep( appData.delayAfterQuit );
10927 DestroyChildProcess(second.pr, second.useSigterm);
10928 second.reload = TRUE;
10930 second.pr = NoProc;
10933 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
10934 char resChar = '=';
10938 if (first.twoMachinesColor[0] == 'w') {
10941 second.matchWins++;
10946 if (first.twoMachinesColor[0] == 'b') {
10949 second.matchWins++;
10952 case GameUnfinished:
10958 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10959 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10960 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10961 ReserveGame(nextGame, resChar); // sets nextGame
10962 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10963 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10964 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10966 if (nextGame <= appData.matchGames && !abortMatch) {
10967 gameMode = nextGameMode;
10968 matchGame = nextGame; // this will be overruled in tourney mode!
10969 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10970 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10971 endingGame = 0; /* [HGM] crash */
10974 gameMode = nextGameMode;
10975 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10976 first.tidy, second.tidy,
10977 first.matchWins, second.matchWins,
10978 appData.matchGames - (first.matchWins + second.matchWins));
10979 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10980 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10981 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10982 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10983 first.twoMachinesColor = "black\n";
10984 second.twoMachinesColor = "white\n";
10986 first.twoMachinesColor = "white\n";
10987 second.twoMachinesColor = "black\n";
10991 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10992 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10994 gameMode = nextGameMode;
10996 endingGame = 0; /* [HGM] crash */
10997 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10998 if(matchMode == TRUE) { // match through command line: exit with or without popup
11000 ToNrEvent(forwardMostMove);
11001 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11003 } else DisplayFatalError(buf, 0, 0);
11004 } else { // match through menu; just stop, with or without popup
11005 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11008 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11009 } else DisplayNote(buf);
11011 if(ranking) free(ranking);
11015 /* Assumes program was just initialized (initString sent).
11016 Leaves program in force mode. */
11018 FeedMovesToProgram (ChessProgramState *cps, int upto)
11022 if (appData.debugMode)
11023 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11024 startedFromSetupPosition ? "position and " : "",
11025 backwardMostMove, upto, cps->which);
11026 if(currentlyInitializedVariant != gameInfo.variant) {
11028 // [HGM] variantswitch: make engine aware of new variant
11029 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11030 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11031 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11032 SendToProgram(buf, cps);
11033 currentlyInitializedVariant = gameInfo.variant;
11035 SendToProgram("force\n", cps);
11036 if (startedFromSetupPosition) {
11037 SendBoard(cps, backwardMostMove);
11038 if (appData.debugMode) {
11039 fprintf(debugFP, "feedMoves\n");
11042 for (i = backwardMostMove; i < upto; i++) {
11043 SendMoveToProgram(i, cps);
11049 ResurrectChessProgram ()
11051 /* The chess program may have exited.
11052 If so, restart it and feed it all the moves made so far. */
11053 static int doInit = 0;
11055 if (appData.noChessProgram) return 1;
11057 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11058 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11059 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11060 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11062 if (first.pr != NoProc) return 1;
11063 StartChessProgram(&first);
11065 InitChessProgram(&first, FALSE);
11066 FeedMovesToProgram(&first, currentMove);
11068 if (!first.sendTime) {
11069 /* can't tell gnuchess what its clock should read,
11070 so we bow to its notion. */
11072 timeRemaining[0][currentMove] = whiteTimeRemaining;
11073 timeRemaining[1][currentMove] = blackTimeRemaining;
11076 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11077 appData.icsEngineAnalyze) && first.analysisSupport) {
11078 SendToProgram("analyze\n", &first);
11079 first.analyzing = TRUE;
11085 * Button procedures
11088 Reset (int redraw, int init)
11092 if (appData.debugMode) {
11093 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11094 redraw, init, gameMode);
11096 CleanupTail(); // [HGM] vari: delete any stored variations
11097 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11098 pausing = pauseExamInvalid = FALSE;
11099 startedFromSetupPosition = blackPlaysFirst = FALSE;
11101 whiteFlag = blackFlag = FALSE;
11102 userOfferedDraw = FALSE;
11103 hintRequested = bookRequested = FALSE;
11104 first.maybeThinking = FALSE;
11105 second.maybeThinking = FALSE;
11106 first.bookSuspend = FALSE; // [HGM] book
11107 second.bookSuspend = FALSE;
11108 thinkOutput[0] = NULLCHAR;
11109 lastHint[0] = NULLCHAR;
11110 ClearGameInfo(&gameInfo);
11111 gameInfo.variant = StringToVariant(appData.variant);
11112 ics_user_moved = ics_clock_paused = FALSE;
11113 ics_getting_history = H_FALSE;
11115 white_holding[0] = black_holding[0] = NULLCHAR;
11116 ClearProgramStats();
11117 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11121 flipView = appData.flipView;
11122 ClearPremoveHighlights();
11123 gotPremove = FALSE;
11124 alarmSounded = FALSE;
11126 GameEnds(EndOfFile, NULL, GE_PLAYER);
11127 if(appData.serverMovesName != NULL) {
11128 /* [HGM] prepare to make moves file for broadcasting */
11129 clock_t t = clock();
11130 if(serverMoves != NULL) fclose(serverMoves);
11131 serverMoves = fopen(appData.serverMovesName, "r");
11132 if(serverMoves != NULL) {
11133 fclose(serverMoves);
11134 /* delay 15 sec before overwriting, so all clients can see end */
11135 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11137 serverMoves = fopen(appData.serverMovesName, "w");
11141 gameMode = BeginningOfGame;
11143 if(appData.icsActive) gameInfo.variant = VariantNormal;
11144 currentMove = forwardMostMove = backwardMostMove = 0;
11145 MarkTargetSquares(1);
11146 InitPosition(redraw);
11147 for (i = 0; i < MAX_MOVES; i++) {
11148 if (commentList[i] != NULL) {
11149 free(commentList[i]);
11150 commentList[i] = NULL;
11154 timeRemaining[0][0] = whiteTimeRemaining;
11155 timeRemaining[1][0] = blackTimeRemaining;
11157 if (first.pr == NoProc) {
11158 StartChessProgram(&first);
11161 InitChessProgram(&first, startedFromSetupPosition);
11164 DisplayMessage("", "");
11165 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11166 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11167 ClearMap(); // [HGM] exclude: invalidate map
11171 AutoPlayGameLoop ()
11174 if (!AutoPlayOneMove())
11176 if (matchMode || appData.timeDelay == 0)
11178 if (appData.timeDelay < 0)
11180 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11188 ReloadGame(1); // next game
11194 int fromX, fromY, toX, toY;
11196 if (appData.debugMode) {
11197 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11200 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11203 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11204 pvInfoList[currentMove].depth = programStats.depth;
11205 pvInfoList[currentMove].score = programStats.score;
11206 pvInfoList[currentMove].time = 0;
11207 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11208 else { // append analysis of final position as comment
11210 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11211 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11213 programStats.depth = 0;
11216 if (currentMove >= forwardMostMove) {
11217 if(gameMode == AnalyzeFile) {
11218 if(appData.loadGameIndex == -1) {
11219 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11220 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11222 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11225 // gameMode = EndOfGame;
11226 // ModeHighlight();
11228 /* [AS] Clear current move marker at the end of a game */
11229 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11234 toX = moveList[currentMove][2] - AAA;
11235 toY = moveList[currentMove][3] - ONE;
11237 if (moveList[currentMove][1] == '@') {
11238 if (appData.highlightLastMove) {
11239 SetHighlights(-1, -1, toX, toY);
11242 fromX = moveList[currentMove][0] - AAA;
11243 fromY = moveList[currentMove][1] - ONE;
11245 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11247 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11249 if (appData.highlightLastMove) {
11250 SetHighlights(fromX, fromY, toX, toY);
11253 DisplayMove(currentMove);
11254 SendMoveToProgram(currentMove++, &first);
11255 DisplayBothClocks();
11256 DrawPosition(FALSE, boards[currentMove]);
11257 // [HGM] PV info: always display, routine tests if empty
11258 DisplayComment(currentMove - 1, commentList[currentMove]);
11264 LoadGameOneMove (ChessMove readAhead)
11266 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11267 char promoChar = NULLCHAR;
11268 ChessMove moveType;
11269 char move[MSG_SIZ];
11272 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11273 gameMode != AnalyzeMode && gameMode != Training) {
11278 yyboardindex = forwardMostMove;
11279 if (readAhead != EndOfFile) {
11280 moveType = readAhead;
11282 if (gameFileFP == NULL)
11284 moveType = (ChessMove) Myylex();
11288 switch (moveType) {
11290 if (appData.debugMode)
11291 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11294 /* append the comment but don't display it */
11295 AppendComment(currentMove, p, FALSE);
11298 case WhiteCapturesEnPassant:
11299 case BlackCapturesEnPassant:
11300 case WhitePromotion:
11301 case BlackPromotion:
11302 case WhiteNonPromotion:
11303 case BlackNonPromotion:
11305 case WhiteKingSideCastle:
11306 case WhiteQueenSideCastle:
11307 case BlackKingSideCastle:
11308 case BlackQueenSideCastle:
11309 case WhiteKingSideCastleWild:
11310 case WhiteQueenSideCastleWild:
11311 case BlackKingSideCastleWild:
11312 case BlackQueenSideCastleWild:
11314 case WhiteHSideCastleFR:
11315 case WhiteASideCastleFR:
11316 case BlackHSideCastleFR:
11317 case BlackASideCastleFR:
11319 if (appData.debugMode)
11320 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11321 fromX = currentMoveString[0] - AAA;
11322 fromY = currentMoveString[1] - ONE;
11323 toX = currentMoveString[2] - AAA;
11324 toY = currentMoveString[3] - ONE;
11325 promoChar = currentMoveString[4];
11330 if (appData.debugMode)
11331 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11332 fromX = moveType == WhiteDrop ?
11333 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11334 (int) CharToPiece(ToLower(currentMoveString[0]));
11336 toX = currentMoveString[2] - AAA;
11337 toY = currentMoveString[3] - ONE;
11343 case GameUnfinished:
11344 if (appData.debugMode)
11345 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11346 p = strchr(yy_text, '{');
11347 if (p == NULL) p = strchr(yy_text, '(');
11350 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11352 q = strchr(p, *p == '{' ? '}' : ')');
11353 if (q != NULL) *q = NULLCHAR;
11356 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11357 GameEnds(moveType, p, GE_FILE);
11359 if (cmailMsgLoaded) {
11361 flipView = WhiteOnMove(currentMove);
11362 if (moveType == GameUnfinished) flipView = !flipView;
11363 if (appData.debugMode)
11364 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11369 if (appData.debugMode)
11370 fprintf(debugFP, "Parser hit end of file\n");
11371 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11377 if (WhiteOnMove(currentMove)) {
11378 GameEnds(BlackWins, "Black mates", GE_FILE);
11380 GameEnds(WhiteWins, "White mates", GE_FILE);
11384 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11390 case MoveNumberOne:
11391 if (lastLoadGameStart == GNUChessGame) {
11392 /* GNUChessGames have numbers, but they aren't move numbers */
11393 if (appData.debugMode)
11394 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11395 yy_text, (int) moveType);
11396 return LoadGameOneMove(EndOfFile); /* tail recursion */
11398 /* else fall thru */
11403 /* Reached start of next game in file */
11404 if (appData.debugMode)
11405 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11406 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11412 if (WhiteOnMove(currentMove)) {
11413 GameEnds(BlackWins, "Black mates", GE_FILE);
11415 GameEnds(WhiteWins, "White mates", GE_FILE);
11419 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11425 case PositionDiagram: /* should not happen; ignore */
11426 case ElapsedTime: /* ignore */
11427 case NAG: /* ignore */
11428 if (appData.debugMode)
11429 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11430 yy_text, (int) moveType);
11431 return LoadGameOneMove(EndOfFile); /* tail recursion */
11434 if (appData.testLegality) {
11435 if (appData.debugMode)
11436 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11437 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11438 (forwardMostMove / 2) + 1,
11439 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11440 DisplayError(move, 0);
11443 if (appData.debugMode)
11444 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11445 yy_text, currentMoveString);
11446 fromX = currentMoveString[0] - AAA;
11447 fromY = currentMoveString[1] - ONE;
11448 toX = currentMoveString[2] - AAA;
11449 toY = currentMoveString[3] - ONE;
11450 promoChar = currentMoveString[4];
11454 case AmbiguousMove:
11455 if (appData.debugMode)
11456 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11457 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11458 (forwardMostMove / 2) + 1,
11459 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11460 DisplayError(move, 0);
11465 case ImpossibleMove:
11466 if (appData.debugMode)
11467 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11468 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11469 (forwardMostMove / 2) + 1,
11470 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11471 DisplayError(move, 0);
11477 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11478 DrawPosition(FALSE, boards[currentMove]);
11479 DisplayBothClocks();
11480 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11481 DisplayComment(currentMove - 1, commentList[currentMove]);
11483 (void) StopLoadGameTimer();
11485 cmailOldMove = forwardMostMove;
11488 /* currentMoveString is set as a side-effect of yylex */
11490 thinkOutput[0] = NULLCHAR;
11491 MakeMove(fromX, fromY, toX, toY, promoChar);
11492 currentMove = forwardMostMove;
11497 /* Load the nth game from the given file */
11499 LoadGameFromFile (char *filename, int n, char *title, int useList)
11504 if (strcmp(filename, "-") == 0) {
11508 f = fopen(filename, "rb");
11510 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11511 DisplayError(buf, errno);
11515 if (fseek(f, 0, 0) == -1) {
11516 /* f is not seekable; probably a pipe */
11519 if (useList && n == 0) {
11520 int error = GameListBuild(f);
11522 DisplayError(_("Cannot build game list"), error);
11523 } else if (!ListEmpty(&gameList) &&
11524 ((ListGame *) gameList.tailPred)->number > 1) {
11525 GameListPopUp(f, title);
11532 return LoadGame(f, n, title, FALSE);
11537 MakeRegisteredMove ()
11539 int fromX, fromY, toX, toY;
11541 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11542 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11545 if (appData.debugMode)
11546 fprintf(debugFP, "Restoring %s for game %d\n",
11547 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11549 thinkOutput[0] = NULLCHAR;
11550 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11551 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11552 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11553 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11554 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11555 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11556 MakeMove(fromX, fromY, toX, toY, promoChar);
11557 ShowMove(fromX, fromY, toX, toY);
11559 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11566 if (WhiteOnMove(currentMove)) {
11567 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11569 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11574 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11581 if (WhiteOnMove(currentMove)) {
11582 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11584 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11589 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11600 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11602 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11606 if (gameNumber > nCmailGames) {
11607 DisplayError(_("No more games in this message"), 0);
11610 if (f == lastLoadGameFP) {
11611 int offset = gameNumber - lastLoadGameNumber;
11613 cmailMsg[0] = NULLCHAR;
11614 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11615 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11616 nCmailMovesRegistered--;
11618 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11619 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11620 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11623 if (! RegisterMove()) return FALSE;
11627 retVal = LoadGame(f, gameNumber, title, useList);
11629 /* Make move registered during previous look at this game, if any */
11630 MakeRegisteredMove();
11632 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11633 commentList[currentMove]
11634 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11635 DisplayComment(currentMove - 1, commentList[currentMove]);
11641 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11643 ReloadGame (int offset)
11645 int gameNumber = lastLoadGameNumber + offset;
11646 if (lastLoadGameFP == NULL) {
11647 DisplayError(_("No game has been loaded yet"), 0);
11650 if (gameNumber <= 0) {
11651 DisplayError(_("Can't back up any further"), 0);
11654 if (cmailMsgLoaded) {
11655 return CmailLoadGame(lastLoadGameFP, gameNumber,
11656 lastLoadGameTitle, lastLoadGameUseList);
11658 return LoadGame(lastLoadGameFP, gameNumber,
11659 lastLoadGameTitle, lastLoadGameUseList);
11663 int keys[EmptySquare+1];
11666 PositionMatches (Board b1, Board b2)
11669 switch(appData.searchMode) {
11670 case 1: return CompareWithRights(b1, b2);
11672 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11673 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11677 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11678 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11679 sum += keys[b1[r][f]] - keys[b2[r][f]];
11683 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11684 sum += keys[b1[r][f]] - keys[b2[r][f]];
11696 int pieceList[256], quickBoard[256];
11697 ChessSquare pieceType[256] = { EmptySquare };
11698 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11699 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11700 int soughtTotal, turn;
11701 Boolean epOK, flipSearch;
11704 unsigned char piece, to;
11707 #define DSIZE (250000)
11709 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11710 Move *moveDatabase = initialSpace;
11711 unsigned int movePtr, dataSize = DSIZE;
11714 MakePieceList (Board board, int *counts)
11716 int r, f, n=Q_PROMO, total=0;
11717 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11718 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11719 int sq = f + (r<<4);
11720 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11721 quickBoard[sq] = ++n;
11723 pieceType[n] = board[r][f];
11724 counts[board[r][f]]++;
11725 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11726 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11730 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11735 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11737 int sq = fromX + (fromY<<4);
11738 int piece = quickBoard[sq];
11739 quickBoard[sq] = 0;
11740 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11741 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11742 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11743 moveDatabase[movePtr++].piece = Q_WCASTL;
11744 quickBoard[sq] = piece;
11745 piece = quickBoard[from]; quickBoard[from] = 0;
11746 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11748 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11749 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11750 moveDatabase[movePtr++].piece = Q_BCASTL;
11751 quickBoard[sq] = piece;
11752 piece = quickBoard[from]; quickBoard[from] = 0;
11753 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11755 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11756 quickBoard[(fromY<<4)+toX] = 0;
11757 moveDatabase[movePtr].piece = Q_EP;
11758 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11759 moveDatabase[movePtr].to = sq;
11761 if(promoPiece != pieceType[piece]) {
11762 moveDatabase[movePtr++].piece = Q_PROMO;
11763 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11765 moveDatabase[movePtr].piece = piece;
11766 quickBoard[sq] = piece;
11771 PackGame (Board board)
11773 Move *newSpace = NULL;
11774 moveDatabase[movePtr].piece = 0; // terminate previous game
11775 if(movePtr > dataSize) {
11776 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11777 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11778 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11781 Move *p = moveDatabase, *q = newSpace;
11782 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11783 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11784 moveDatabase = newSpace;
11785 } else { // calloc failed, we must be out of memory. Too bad...
11786 dataSize = 0; // prevent calloc events for all subsequent games
11787 return 0; // and signal this one isn't cached
11791 MakePieceList(board, counts);
11796 QuickCompare (Board board, int *minCounts, int *maxCounts)
11797 { // compare according to search mode
11799 switch(appData.searchMode)
11801 case 1: // exact position match
11802 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11803 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11804 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11807 case 2: // can have extra material on empty squares
11808 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11809 if(board[r][f] == EmptySquare) continue;
11810 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11813 case 3: // material with exact Pawn structure
11814 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11815 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11816 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11817 } // fall through to material comparison
11818 case 4: // exact material
11819 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11821 case 6: // material range with given imbalance
11822 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11823 // fall through to range comparison
11824 case 5: // material range
11825 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11831 QuickScan (Board board, Move *move)
11832 { // reconstruct game,and compare all positions in it
11833 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11835 int piece = move->piece;
11836 int to = move->to, from = pieceList[piece];
11837 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11838 if(!piece) return -1;
11839 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11840 piece = (++move)->piece;
11841 from = pieceList[piece];
11842 counts[pieceType[piece]]--;
11843 pieceType[piece] = (ChessSquare) move->to;
11844 counts[move->to]++;
11845 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11846 counts[pieceType[quickBoard[to]]]--;
11847 quickBoard[to] = 0; total--;
11850 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11851 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11852 from = pieceList[piece]; // so this must be King
11853 quickBoard[from] = 0;
11854 pieceList[piece] = to;
11855 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11856 quickBoard[from] = 0; // rook
11857 quickBoard[to] = piece;
11858 to = move->to; piece = move->piece;
11862 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11863 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11864 quickBoard[from] = 0;
11866 quickBoard[to] = piece;
11867 pieceList[piece] = to;
11869 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11870 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11871 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11872 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11874 static int lastCounts[EmptySquare+1];
11876 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11877 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11878 } else stretch = 0;
11879 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11888 flipSearch = FALSE;
11889 CopyBoard(soughtBoard, boards[currentMove]);
11890 soughtTotal = MakePieceList(soughtBoard, maxSought);
11891 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11892 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11893 CopyBoard(reverseBoard, boards[currentMove]);
11894 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11895 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11896 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11897 reverseBoard[r][f] = piece;
11899 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11900 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11901 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11902 || (boards[currentMove][CASTLING][2] == NoRights ||
11903 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11904 && (boards[currentMove][CASTLING][5] == NoRights ||
11905 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11908 CopyBoard(flipBoard, soughtBoard);
11909 CopyBoard(rotateBoard, reverseBoard);
11910 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11911 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11912 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11915 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11916 if(appData.searchMode >= 5) {
11917 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11918 MakePieceList(soughtBoard, minSought);
11919 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11921 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11922 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11925 GameInfo dummyInfo;
11926 static int creatingBook;
11929 GameContainsPosition (FILE *f, ListGame *lg)
11931 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11932 int fromX, fromY, toX, toY;
11934 static int initDone=FALSE;
11936 // weed out games based on numerical tag comparison
11937 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11938 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11939 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11940 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11942 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11945 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11946 else CopyBoard(boards[scratch], initialPosition); // default start position
11949 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11950 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11953 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11954 fseek(f, lg->offset, 0);
11957 yyboardindex = scratch;
11958 quickFlag = plyNr+1;
11963 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11969 if(plyNr) return -1; // after we have seen moves, this is for new game
11972 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11973 case ImpossibleMove:
11974 case WhiteWins: // game ends here with these four
11977 case GameUnfinished:
11981 if(appData.testLegality) return -1;
11982 case WhiteCapturesEnPassant:
11983 case BlackCapturesEnPassant:
11984 case WhitePromotion:
11985 case BlackPromotion:
11986 case WhiteNonPromotion:
11987 case BlackNonPromotion:
11989 case WhiteKingSideCastle:
11990 case WhiteQueenSideCastle:
11991 case BlackKingSideCastle:
11992 case BlackQueenSideCastle:
11993 case WhiteKingSideCastleWild:
11994 case WhiteQueenSideCastleWild:
11995 case BlackKingSideCastleWild:
11996 case BlackQueenSideCastleWild:
11997 case WhiteHSideCastleFR:
11998 case WhiteASideCastleFR:
11999 case BlackHSideCastleFR:
12000 case BlackASideCastleFR:
12001 fromX = currentMoveString[0] - AAA;
12002 fromY = currentMoveString[1] - ONE;
12003 toX = currentMoveString[2] - AAA;
12004 toY = currentMoveString[3] - ONE;
12005 promoChar = currentMoveString[4];
12009 fromX = next == WhiteDrop ?
12010 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12011 (int) CharToPiece(ToLower(currentMoveString[0]));
12013 toX = currentMoveString[2] - AAA;
12014 toY = currentMoveString[3] - ONE;
12018 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12020 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12021 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12022 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12023 if(appData.findMirror) {
12024 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12025 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12030 /* Load the nth game from open file f */
12032 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12036 int gn = gameNumber;
12037 ListGame *lg = NULL;
12038 int numPGNTags = 0;
12040 GameMode oldGameMode;
12041 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12043 if (appData.debugMode)
12044 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12046 if (gameMode == Training )
12047 SetTrainingModeOff();
12049 oldGameMode = gameMode;
12050 if (gameMode != BeginningOfGame) {
12051 Reset(FALSE, TRUE);
12055 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12056 fclose(lastLoadGameFP);
12060 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12063 fseek(f, lg->offset, 0);
12064 GameListHighlight(gameNumber);
12065 pos = lg->position;
12069 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12070 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12072 DisplayError(_("Game number out of range"), 0);
12077 if (fseek(f, 0, 0) == -1) {
12078 if (f == lastLoadGameFP ?
12079 gameNumber == lastLoadGameNumber + 1 :
12083 DisplayError(_("Can't seek on game file"), 0);
12088 lastLoadGameFP = f;
12089 lastLoadGameNumber = gameNumber;
12090 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12091 lastLoadGameUseList = useList;
12095 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12096 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12097 lg->gameInfo.black);
12099 } else if (*title != NULLCHAR) {
12100 if (gameNumber > 1) {
12101 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12104 DisplayTitle(title);
12108 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12109 gameMode = PlayFromGameFile;
12113 currentMove = forwardMostMove = backwardMostMove = 0;
12114 CopyBoard(boards[0], initialPosition);
12118 * Skip the first gn-1 games in the file.
12119 * Also skip over anything that precedes an identifiable
12120 * start of game marker, to avoid being confused by
12121 * garbage at the start of the file. Currently
12122 * recognized start of game markers are the move number "1",
12123 * the pattern "gnuchess .* game", the pattern
12124 * "^[#;%] [^ ]* game file", and a PGN tag block.
12125 * A game that starts with one of the latter two patterns
12126 * will also have a move number 1, possibly
12127 * following a position diagram.
12128 * 5-4-02: Let's try being more lenient and allowing a game to
12129 * start with an unnumbered move. Does that break anything?
12131 cm = lastLoadGameStart = EndOfFile;
12133 yyboardindex = forwardMostMove;
12134 cm = (ChessMove) Myylex();
12137 if (cmailMsgLoaded) {
12138 nCmailGames = CMAIL_MAX_GAMES - gn;
12141 DisplayError(_("Game not found in file"), 0);
12148 lastLoadGameStart = cm;
12151 case MoveNumberOne:
12152 switch (lastLoadGameStart) {
12157 case MoveNumberOne:
12159 gn--; /* count this game */
12160 lastLoadGameStart = cm;
12169 switch (lastLoadGameStart) {
12172 case MoveNumberOne:
12174 gn--; /* count this game */
12175 lastLoadGameStart = cm;
12178 lastLoadGameStart = cm; /* game counted already */
12186 yyboardindex = forwardMostMove;
12187 cm = (ChessMove) Myylex();
12188 } while (cm == PGNTag || cm == Comment);
12195 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12196 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12197 != CMAIL_OLD_RESULT) {
12199 cmailResult[ CMAIL_MAX_GAMES
12200 - gn - 1] = CMAIL_OLD_RESULT;
12206 /* Only a NormalMove can be at the start of a game
12207 * without a position diagram. */
12208 if (lastLoadGameStart == EndOfFile ) {
12210 lastLoadGameStart = MoveNumberOne;
12219 if (appData.debugMode)
12220 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12222 if (cm == XBoardGame) {
12223 /* Skip any header junk before position diagram and/or move 1 */
12225 yyboardindex = forwardMostMove;
12226 cm = (ChessMove) Myylex();
12228 if (cm == EndOfFile ||
12229 cm == GNUChessGame || cm == XBoardGame) {
12230 /* Empty game; pretend end-of-file and handle later */
12235 if (cm == MoveNumberOne || cm == PositionDiagram ||
12236 cm == PGNTag || cm == Comment)
12239 } else if (cm == GNUChessGame) {
12240 if (gameInfo.event != NULL) {
12241 free(gameInfo.event);
12243 gameInfo.event = StrSave(yy_text);
12246 startedFromSetupPosition = FALSE;
12247 while (cm == PGNTag) {
12248 if (appData.debugMode)
12249 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12250 err = ParsePGNTag(yy_text, &gameInfo);
12251 if (!err) numPGNTags++;
12253 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12254 if(gameInfo.variant != oldVariant) {
12255 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12256 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12257 InitPosition(TRUE);
12258 oldVariant = gameInfo.variant;
12259 if (appData.debugMode)
12260 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12264 if (gameInfo.fen != NULL) {
12265 Board initial_position;
12266 startedFromSetupPosition = TRUE;
12267 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12269 DisplayError(_("Bad FEN position in file"), 0);
12272 CopyBoard(boards[0], initial_position);
12273 if (blackPlaysFirst) {
12274 currentMove = forwardMostMove = backwardMostMove = 1;
12275 CopyBoard(boards[1], initial_position);
12276 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12277 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12278 timeRemaining[0][1] = whiteTimeRemaining;
12279 timeRemaining[1][1] = blackTimeRemaining;
12280 if (commentList[0] != NULL) {
12281 commentList[1] = commentList[0];
12282 commentList[0] = NULL;
12285 currentMove = forwardMostMove = backwardMostMove = 0;
12287 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12289 initialRulePlies = FENrulePlies;
12290 for( i=0; i< nrCastlingRights; i++ )
12291 initialRights[i] = initial_position[CASTLING][i];
12293 yyboardindex = forwardMostMove;
12294 free(gameInfo.fen);
12295 gameInfo.fen = NULL;
12298 yyboardindex = forwardMostMove;
12299 cm = (ChessMove) Myylex();
12301 /* Handle comments interspersed among the tags */
12302 while (cm == Comment) {
12304 if (appData.debugMode)
12305 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12307 AppendComment(currentMove, p, FALSE);
12308 yyboardindex = forwardMostMove;
12309 cm = (ChessMove) Myylex();
12313 /* don't rely on existence of Event tag since if game was
12314 * pasted from clipboard the Event tag may not exist
12316 if (numPGNTags > 0){
12318 if (gameInfo.variant == VariantNormal) {
12319 VariantClass v = StringToVariant(gameInfo.event);
12320 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12321 if(v < VariantShogi) gameInfo.variant = v;
12324 if( appData.autoDisplayTags ) {
12325 tags = PGNTags(&gameInfo);
12326 TagsPopUp(tags, CmailMsg());
12331 /* Make something up, but don't display it now */
12336 if (cm == PositionDiagram) {
12339 Board initial_position;
12341 if (appData.debugMode)
12342 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12344 if (!startedFromSetupPosition) {
12346 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12347 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12358 initial_position[i][j++] = CharToPiece(*p);
12361 while (*p == ' ' || *p == '\t' ||
12362 *p == '\n' || *p == '\r') p++;
12364 if (strncmp(p, "black", strlen("black"))==0)
12365 blackPlaysFirst = TRUE;
12367 blackPlaysFirst = FALSE;
12368 startedFromSetupPosition = TRUE;
12370 CopyBoard(boards[0], initial_position);
12371 if (blackPlaysFirst) {
12372 currentMove = forwardMostMove = backwardMostMove = 1;
12373 CopyBoard(boards[1], initial_position);
12374 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12375 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12376 timeRemaining[0][1] = whiteTimeRemaining;
12377 timeRemaining[1][1] = blackTimeRemaining;
12378 if (commentList[0] != NULL) {
12379 commentList[1] = commentList[0];
12380 commentList[0] = NULL;
12383 currentMove = forwardMostMove = backwardMostMove = 0;
12386 yyboardindex = forwardMostMove;
12387 cm = (ChessMove) Myylex();
12390 if(!creatingBook) {
12391 if (first.pr == NoProc) {
12392 StartChessProgram(&first);
12394 InitChessProgram(&first, FALSE);
12395 SendToProgram("force\n", &first);
12396 if (startedFromSetupPosition) {
12397 SendBoard(&first, forwardMostMove);
12398 if (appData.debugMode) {
12399 fprintf(debugFP, "Load Game\n");
12401 DisplayBothClocks();
12405 /* [HGM] server: flag to write setup moves in broadcast file as one */
12406 loadFlag = appData.suppressLoadMoves;
12408 while (cm == Comment) {
12410 if (appData.debugMode)
12411 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12413 AppendComment(currentMove, p, FALSE);
12414 yyboardindex = forwardMostMove;
12415 cm = (ChessMove) Myylex();
12418 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12419 cm == WhiteWins || cm == BlackWins ||
12420 cm == GameIsDrawn || cm == GameUnfinished) {
12421 DisplayMessage("", _("No moves in game"));
12422 if (cmailMsgLoaded) {
12423 if (appData.debugMode)
12424 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12428 DrawPosition(FALSE, boards[currentMove]);
12429 DisplayBothClocks();
12430 gameMode = EditGame;
12437 // [HGM] PV info: routine tests if comment empty
12438 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12439 DisplayComment(currentMove - 1, commentList[currentMove]);
12441 if (!matchMode && appData.timeDelay != 0)
12442 DrawPosition(FALSE, boards[currentMove]);
12444 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12445 programStats.ok_to_send = 1;
12448 /* if the first token after the PGN tags is a move
12449 * and not move number 1, retrieve it from the parser
12451 if (cm != MoveNumberOne)
12452 LoadGameOneMove(cm);
12454 /* load the remaining moves from the file */
12455 while (LoadGameOneMove(EndOfFile)) {
12456 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12457 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12460 /* rewind to the start of the game */
12461 currentMove = backwardMostMove;
12463 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12465 if (oldGameMode == AnalyzeFile) {
12466 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12467 AnalyzeFileEvent();
12469 if (oldGameMode == AnalyzeMode) {
12470 AnalyzeFileEvent();
12473 if(creatingBook) return TRUE;
12474 if (!matchMode && pos > 0) {
12475 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12477 if (matchMode || appData.timeDelay == 0) {
12479 } else if (appData.timeDelay > 0) {
12480 AutoPlayGameLoop();
12483 if (appData.debugMode)
12484 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12486 loadFlag = 0; /* [HGM] true game starts */
12490 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12492 ReloadPosition (int offset)
12494 int positionNumber = lastLoadPositionNumber + offset;
12495 if (lastLoadPositionFP == NULL) {
12496 DisplayError(_("No position has been loaded yet"), 0);
12499 if (positionNumber <= 0) {
12500 DisplayError(_("Can't back up any further"), 0);
12503 return LoadPosition(lastLoadPositionFP, positionNumber,
12504 lastLoadPositionTitle);
12507 /* Load the nth position from the given file */
12509 LoadPositionFromFile (char *filename, int n, char *title)
12514 if (strcmp(filename, "-") == 0) {
12515 return LoadPosition(stdin, n, "stdin");
12517 f = fopen(filename, "rb");
12519 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12520 DisplayError(buf, errno);
12523 return LoadPosition(f, n, title);
12528 /* Load the nth position from the given open file, and close it */
12530 LoadPosition (FILE *f, int positionNumber, char *title)
12532 char *p, line[MSG_SIZ];
12533 Board initial_position;
12534 int i, j, fenMode, pn;
12536 if (gameMode == Training )
12537 SetTrainingModeOff();
12539 if (gameMode != BeginningOfGame) {
12540 Reset(FALSE, TRUE);
12542 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12543 fclose(lastLoadPositionFP);
12545 if (positionNumber == 0) positionNumber = 1;
12546 lastLoadPositionFP = f;
12547 lastLoadPositionNumber = positionNumber;
12548 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12549 if (first.pr == NoProc && !appData.noChessProgram) {
12550 StartChessProgram(&first);
12551 InitChessProgram(&first, FALSE);
12553 pn = positionNumber;
12554 if (positionNumber < 0) {
12555 /* Negative position number means to seek to that byte offset */
12556 if (fseek(f, -positionNumber, 0) == -1) {
12557 DisplayError(_("Can't seek on position file"), 0);
12562 if (fseek(f, 0, 0) == -1) {
12563 if (f == lastLoadPositionFP ?
12564 positionNumber == lastLoadPositionNumber + 1 :
12565 positionNumber == 1) {
12568 DisplayError(_("Can't seek on position file"), 0);
12573 /* See if this file is FEN or old-style xboard */
12574 if (fgets(line, MSG_SIZ, f) == NULL) {
12575 DisplayError(_("Position not found in file"), 0);
12578 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12579 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12582 if (fenMode || line[0] == '#') pn--;
12584 /* skip positions before number pn */
12585 if (fgets(line, MSG_SIZ, f) == NULL) {
12587 DisplayError(_("Position not found in file"), 0);
12590 if (fenMode || line[0] == '#') pn--;
12595 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12596 DisplayError(_("Bad FEN position in file"), 0);
12600 (void) fgets(line, MSG_SIZ, f);
12601 (void) fgets(line, MSG_SIZ, f);
12603 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12604 (void) fgets(line, MSG_SIZ, f);
12605 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12608 initial_position[i][j++] = CharToPiece(*p);
12612 blackPlaysFirst = FALSE;
12614 (void) fgets(line, MSG_SIZ, f);
12615 if (strncmp(line, "black", strlen("black"))==0)
12616 blackPlaysFirst = TRUE;
12619 startedFromSetupPosition = TRUE;
12621 CopyBoard(boards[0], initial_position);
12622 if (blackPlaysFirst) {
12623 currentMove = forwardMostMove = backwardMostMove = 1;
12624 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12625 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12626 CopyBoard(boards[1], initial_position);
12627 DisplayMessage("", _("Black to play"));
12629 currentMove = forwardMostMove = backwardMostMove = 0;
12630 DisplayMessage("", _("White to play"));
12632 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12633 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12634 SendToProgram("force\n", &first);
12635 SendBoard(&first, forwardMostMove);
12637 if (appData.debugMode) {
12639 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12640 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12641 fprintf(debugFP, "Load Position\n");
12644 if (positionNumber > 1) {
12645 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12646 DisplayTitle(line);
12648 DisplayTitle(title);
12650 gameMode = EditGame;
12653 timeRemaining[0][1] = whiteTimeRemaining;
12654 timeRemaining[1][1] = blackTimeRemaining;
12655 DrawPosition(FALSE, boards[currentMove]);
12662 CopyPlayerNameIntoFileName (char **dest, char *src)
12664 while (*src != NULLCHAR && *src != ',') {
12669 *(*dest)++ = *src++;
12675 DefaultFileName (char *ext)
12677 static char def[MSG_SIZ];
12680 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12682 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12684 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12686 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12693 /* Save the current game to the given file */
12695 SaveGameToFile (char *filename, int append)
12699 int result, i, t,tot=0;
12701 if (strcmp(filename, "-") == 0) {
12702 return SaveGame(stdout, 0, NULL);
12704 for(i=0; i<10; i++) { // upto 10 tries
12705 f = fopen(filename, append ? "a" : "w");
12706 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12707 if(f || errno != 13) break;
12708 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12712 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12713 DisplayError(buf, errno);
12716 safeStrCpy(buf, lastMsg, MSG_SIZ);
12717 DisplayMessage(_("Waiting for access to save file"), "");
12718 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12719 DisplayMessage(_("Saving game"), "");
12720 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12721 result = SaveGame(f, 0, NULL);
12722 DisplayMessage(buf, "");
12729 SavePart (char *str)
12731 static char buf[MSG_SIZ];
12734 p = strchr(str, ' ');
12735 if (p == NULL) return str;
12736 strncpy(buf, str, p - str);
12737 buf[p - str] = NULLCHAR;
12741 #define PGN_MAX_LINE 75
12743 #define PGN_SIDE_WHITE 0
12744 #define PGN_SIDE_BLACK 1
12747 FindFirstMoveOutOfBook (int side)
12751 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12752 int index = backwardMostMove;
12753 int has_book_hit = 0;
12755 if( (index % 2) != side ) {
12759 while( index < forwardMostMove ) {
12760 /* Check to see if engine is in book */
12761 int depth = pvInfoList[index].depth;
12762 int score = pvInfoList[index].score;
12768 else if( score == 0 && depth == 63 ) {
12769 in_book = 1; /* Zappa */
12771 else if( score == 2 && depth == 99 ) {
12772 in_book = 1; /* Abrok */
12775 has_book_hit += in_book;
12791 GetOutOfBookInfo (char * buf)
12795 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12797 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12798 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12802 if( oob[0] >= 0 || oob[1] >= 0 ) {
12803 for( i=0; i<2; i++ ) {
12807 if( i > 0 && oob[0] >= 0 ) {
12808 strcat( buf, " " );
12811 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12812 sprintf( buf+strlen(buf), "%s%.2f",
12813 pvInfoList[idx].score >= 0 ? "+" : "",
12814 pvInfoList[idx].score / 100.0 );
12820 /* Save game in PGN style and close the file */
12822 SaveGamePGN (FILE *f)
12824 int i, offset, linelen, newblock;
12827 int movelen, numlen, blank;
12828 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12830 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12832 PrintPGNTags(f, &gameInfo);
12834 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12836 if (backwardMostMove > 0 || startedFromSetupPosition) {
12837 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
12838 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12839 fprintf(f, "\n{--------------\n");
12840 PrintPosition(f, backwardMostMove);
12841 fprintf(f, "--------------}\n");
12845 /* [AS] Out of book annotation */
12846 if( appData.saveOutOfBookInfo ) {
12849 GetOutOfBookInfo( buf );
12851 if( buf[0] != '\0' ) {
12852 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12859 i = backwardMostMove;
12863 while (i < forwardMostMove) {
12864 /* Print comments preceding this move */
12865 if (commentList[i] != NULL) {
12866 if (linelen > 0) fprintf(f, "\n");
12867 fprintf(f, "%s", commentList[i]);
12872 /* Format move number */
12874 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12877 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12879 numtext[0] = NULLCHAR;
12881 numlen = strlen(numtext);
12884 /* Print move number */
12885 blank = linelen > 0 && numlen > 0;
12886 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12895 fprintf(f, "%s", numtext);
12899 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12900 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12903 blank = linelen > 0 && movelen > 0;
12904 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12913 fprintf(f, "%s", move_buffer);
12914 linelen += movelen;
12916 /* [AS] Add PV info if present */
12917 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12918 /* [HGM] add time */
12919 char buf[MSG_SIZ]; int seconds;
12921 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12927 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12930 seconds = (seconds + 4)/10; // round to full seconds
12932 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12934 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12937 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12938 pvInfoList[i].score >= 0 ? "+" : "",
12939 pvInfoList[i].score / 100.0,
12940 pvInfoList[i].depth,
12943 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12945 /* Print score/depth */
12946 blank = linelen > 0 && movelen > 0;
12947 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12956 fprintf(f, "%s", move_buffer);
12957 linelen += movelen;
12963 /* Start a new line */
12964 if (linelen > 0) fprintf(f, "\n");
12966 /* Print comments after last move */
12967 if (commentList[i] != NULL) {
12968 fprintf(f, "%s\n", commentList[i]);
12972 if (gameInfo.resultDetails != NULL &&
12973 gameInfo.resultDetails[0] != NULLCHAR) {
12974 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12975 PGNResult(gameInfo.result));
12977 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12981 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12985 /* Save game in old style and close the file */
12987 SaveGameOldStyle (FILE *f)
12992 tm = time((time_t *) NULL);
12994 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12997 if (backwardMostMove > 0 || startedFromSetupPosition) {
12998 fprintf(f, "\n[--------------\n");
12999 PrintPosition(f, backwardMostMove);
13000 fprintf(f, "--------------]\n");
13005 i = backwardMostMove;
13006 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13008 while (i < forwardMostMove) {
13009 if (commentList[i] != NULL) {
13010 fprintf(f, "[%s]\n", commentList[i]);
13013 if ((i % 2) == 1) {
13014 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13017 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13019 if (commentList[i] != NULL) {
13023 if (i >= forwardMostMove) {
13027 fprintf(f, "%s\n", parseList[i]);
13032 if (commentList[i] != NULL) {
13033 fprintf(f, "[%s]\n", commentList[i]);
13036 /* This isn't really the old style, but it's close enough */
13037 if (gameInfo.resultDetails != NULL &&
13038 gameInfo.resultDetails[0] != NULLCHAR) {
13039 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13040 gameInfo.resultDetails);
13042 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13049 /* Save the current game to open file f and close the file */
13051 SaveGame (FILE *f, int dummy, char *dummy2)
13053 if (gameMode == EditPosition) EditPositionDone(TRUE);
13054 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13055 if (appData.oldSaveStyle)
13056 return SaveGameOldStyle(f);
13058 return SaveGamePGN(f);
13061 /* Save the current position to the given file */
13063 SavePositionToFile (char *filename)
13068 if (strcmp(filename, "-") == 0) {
13069 return SavePosition(stdout, 0, NULL);
13071 f = fopen(filename, "a");
13073 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13074 DisplayError(buf, errno);
13077 safeStrCpy(buf, lastMsg, MSG_SIZ);
13078 DisplayMessage(_("Waiting for access to save file"), "");
13079 flock(fileno(f), LOCK_EX); // [HGM] lock
13080 DisplayMessage(_("Saving position"), "");
13081 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13082 SavePosition(f, 0, NULL);
13083 DisplayMessage(buf, "");
13089 /* Save the current position to the given open file and close the file */
13091 SavePosition (FILE *f, int dummy, char *dummy2)
13096 if (gameMode == EditPosition) EditPositionDone(TRUE);
13097 if (appData.oldSaveStyle) {
13098 tm = time((time_t *) NULL);
13100 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13102 fprintf(f, "[--------------\n");
13103 PrintPosition(f, currentMove);
13104 fprintf(f, "--------------]\n");
13106 fen = PositionToFEN(currentMove, NULL, 1);
13107 fprintf(f, "%s\n", fen);
13115 ReloadCmailMsgEvent (int unregister)
13118 static char *inFilename = NULL;
13119 static char *outFilename;
13121 struct stat inbuf, outbuf;
13124 /* Any registered moves are unregistered if unregister is set, */
13125 /* i.e. invoked by the signal handler */
13127 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13128 cmailMoveRegistered[i] = FALSE;
13129 if (cmailCommentList[i] != NULL) {
13130 free(cmailCommentList[i]);
13131 cmailCommentList[i] = NULL;
13134 nCmailMovesRegistered = 0;
13137 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13138 cmailResult[i] = CMAIL_NOT_RESULT;
13142 if (inFilename == NULL) {
13143 /* Because the filenames are static they only get malloced once */
13144 /* and they never get freed */
13145 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13146 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13148 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13149 sprintf(outFilename, "%s.out", appData.cmailGameName);
13152 status = stat(outFilename, &outbuf);
13154 cmailMailedMove = FALSE;
13156 status = stat(inFilename, &inbuf);
13157 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13160 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13161 counts the games, notes how each one terminated, etc.
13163 It would be nice to remove this kludge and instead gather all
13164 the information while building the game list. (And to keep it
13165 in the game list nodes instead of having a bunch of fixed-size
13166 parallel arrays.) Note this will require getting each game's
13167 termination from the PGN tags, as the game list builder does
13168 not process the game moves. --mann
13170 cmailMsgLoaded = TRUE;
13171 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13173 /* Load first game in the file or popup game menu */
13174 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13176 #endif /* !WIN32 */
13184 char string[MSG_SIZ];
13186 if ( cmailMailedMove
13187 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13188 return TRUE; /* Allow free viewing */
13191 /* Unregister move to ensure that we don't leave RegisterMove */
13192 /* with the move registered when the conditions for registering no */
13194 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13195 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13196 nCmailMovesRegistered --;
13198 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13200 free(cmailCommentList[lastLoadGameNumber - 1]);
13201 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13205 if (cmailOldMove == -1) {
13206 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13210 if (currentMove > cmailOldMove + 1) {
13211 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13215 if (currentMove < cmailOldMove) {
13216 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13220 if (forwardMostMove > currentMove) {
13221 /* Silently truncate extra moves */
13225 if ( (currentMove == cmailOldMove + 1)
13226 || ( (currentMove == cmailOldMove)
13227 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13228 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13229 if (gameInfo.result != GameUnfinished) {
13230 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13233 if (commentList[currentMove] != NULL) {
13234 cmailCommentList[lastLoadGameNumber - 1]
13235 = StrSave(commentList[currentMove]);
13237 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13239 if (appData.debugMode)
13240 fprintf(debugFP, "Saving %s for game %d\n",
13241 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13243 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13245 f = fopen(string, "w");
13246 if (appData.oldSaveStyle) {
13247 SaveGameOldStyle(f); /* also closes the file */
13249 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13250 f = fopen(string, "w");
13251 SavePosition(f, 0, NULL); /* also closes the file */
13253 fprintf(f, "{--------------\n");
13254 PrintPosition(f, currentMove);
13255 fprintf(f, "--------------}\n\n");
13257 SaveGame(f, 0, NULL); /* also closes the file*/
13260 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13261 nCmailMovesRegistered ++;
13262 } else if (nCmailGames == 1) {
13263 DisplayError(_("You have not made a move yet"), 0);
13274 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13275 FILE *commandOutput;
13276 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13277 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13283 if (! cmailMsgLoaded) {
13284 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13288 if (nCmailGames == nCmailResults) {
13289 DisplayError(_("No unfinished games"), 0);
13293 #if CMAIL_PROHIBIT_REMAIL
13294 if (cmailMailedMove) {
13295 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);
13296 DisplayError(msg, 0);
13301 if (! (cmailMailedMove || RegisterMove())) return;
13303 if ( cmailMailedMove
13304 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13305 snprintf(string, MSG_SIZ, partCommandString,
13306 appData.debugMode ? " -v" : "", appData.cmailGameName);
13307 commandOutput = popen(string, "r");
13309 if (commandOutput == NULL) {
13310 DisplayError(_("Failed to invoke cmail"), 0);
13312 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13313 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13315 if (nBuffers > 1) {
13316 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13317 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13318 nBytes = MSG_SIZ - 1;
13320 (void) memcpy(msg, buffer, nBytes);
13322 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13324 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13325 cmailMailedMove = TRUE; /* Prevent >1 moves */
13328 for (i = 0; i < nCmailGames; i ++) {
13329 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13334 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13336 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13338 appData.cmailGameName,
13340 LoadGameFromFile(buffer, 1, buffer, FALSE);
13341 cmailMsgLoaded = FALSE;
13345 DisplayInformation(msg);
13346 pclose(commandOutput);
13349 if ((*cmailMsg) != '\0') {
13350 DisplayInformation(cmailMsg);
13355 #endif /* !WIN32 */
13364 int prependComma = 0;
13366 char string[MSG_SIZ]; /* Space for game-list */
13369 if (!cmailMsgLoaded) return "";
13371 if (cmailMailedMove) {
13372 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13374 /* Create a list of games left */
13375 snprintf(string, MSG_SIZ, "[");
13376 for (i = 0; i < nCmailGames; i ++) {
13377 if (! ( cmailMoveRegistered[i]
13378 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13379 if (prependComma) {
13380 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13382 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13386 strcat(string, number);
13389 strcat(string, "]");
13391 if (nCmailMovesRegistered + nCmailResults == 0) {
13392 switch (nCmailGames) {
13394 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13398 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13402 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13407 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13409 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13414 if (nCmailResults == nCmailGames) {
13415 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13417 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13422 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13434 if (gameMode == Training)
13435 SetTrainingModeOff();
13438 cmailMsgLoaded = FALSE;
13439 if (appData.icsActive) {
13440 SendToICS(ics_prefix);
13441 SendToICS("refresh\n");
13446 ExitEvent (int status)
13450 /* Give up on clean exit */
13454 /* Keep trying for clean exit */
13458 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13460 if (telnetISR != NULL) {
13461 RemoveInputSource(telnetISR);
13463 if (icsPR != NoProc) {
13464 DestroyChildProcess(icsPR, TRUE);
13467 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13468 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13470 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13471 /* make sure this other one finishes before killing it! */
13472 if(endingGame) { int count = 0;
13473 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13474 while(endingGame && count++ < 10) DoSleep(1);
13475 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13478 /* Kill off chess programs */
13479 if (first.pr != NoProc) {
13482 DoSleep( appData.delayBeforeQuit );
13483 SendToProgram("quit\n", &first);
13484 DoSleep( appData.delayAfterQuit );
13485 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13487 if (second.pr != NoProc) {
13488 DoSleep( appData.delayBeforeQuit );
13489 SendToProgram("quit\n", &second);
13490 DoSleep( appData.delayAfterQuit );
13491 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13493 if (first.isr != NULL) {
13494 RemoveInputSource(first.isr);
13496 if (second.isr != NULL) {
13497 RemoveInputSource(second.isr);
13500 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13501 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13503 ShutDownFrontEnd();
13508 PauseEngine (ChessProgramState *cps)
13510 SendToProgram("pause\n", cps);
13515 UnPauseEngine (ChessProgramState *cps)
13517 SendToProgram("resume\n", cps);
13524 if (appData.debugMode)
13525 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13529 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13531 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13532 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13533 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13535 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13536 HandleMachineMove(stashedInputMove, stalledEngine);
13537 stalledEngine = NULL;
13540 if (gameMode == MachinePlaysWhite ||
13541 gameMode == TwoMachinesPlay ||
13542 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13543 if(first.pause) UnPauseEngine(&first);
13544 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13545 if(second.pause) UnPauseEngine(&second);
13546 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13549 DisplayBothClocks();
13551 if (gameMode == PlayFromGameFile) {
13552 if (appData.timeDelay >= 0)
13553 AutoPlayGameLoop();
13554 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13555 Reset(FALSE, TRUE);
13556 SendToICS(ics_prefix);
13557 SendToICS("refresh\n");
13558 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13559 ForwardInner(forwardMostMove);
13561 pauseExamInvalid = FALSE;
13563 switch (gameMode) {
13567 pauseExamForwardMostMove = forwardMostMove;
13568 pauseExamInvalid = FALSE;
13571 case IcsPlayingWhite:
13572 case IcsPlayingBlack:
13576 case PlayFromGameFile:
13577 (void) StopLoadGameTimer();
13581 case BeginningOfGame:
13582 if (appData.icsActive) return;
13583 /* else fall through */
13584 case MachinePlaysWhite:
13585 case MachinePlaysBlack:
13586 case TwoMachinesPlay:
13587 if (forwardMostMove == 0)
13588 return; /* don't pause if no one has moved */
13589 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13590 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13591 if(onMove->pause) { // thinking engine can be paused
13592 PauseEngine(onMove); // do it
13593 if(onMove->other->pause) // pondering opponent can always be paused immediately
13594 PauseEngine(onMove->other);
13596 SendToProgram("easy\n", onMove->other);
13598 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13599 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13601 PauseEngine(&first);
13603 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13604 } else { // human on move, pause pondering by either method
13606 PauseEngine(&first);
13607 else if(appData.ponderNextMove)
13608 SendToProgram("easy\n", &first);
13611 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13621 EditCommentEvent ()
13623 char title[MSG_SIZ];
13625 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13626 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13628 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13629 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13630 parseList[currentMove - 1]);
13633 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13640 char *tags = PGNTags(&gameInfo);
13642 EditTagsPopUp(tags, NULL);
13649 if(second.analyzing) {
13650 SendToProgram("exit\n", &second);
13651 second.analyzing = FALSE;
13653 if (second.pr == NoProc) StartChessProgram(&second);
13654 InitChessProgram(&second, FALSE);
13655 FeedMovesToProgram(&second, currentMove);
13657 SendToProgram("analyze\n", &second);
13658 second.analyzing = TRUE;
13662 /* Toggle ShowThinking */
13664 ToggleShowThinking()
13666 appData.showThinking = !appData.showThinking;
13667 ShowThinkingEvent();
13671 AnalyzeModeEvent ()
13675 if (!first.analysisSupport) {
13676 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13677 DisplayError(buf, 0);
13680 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13681 if (appData.icsActive) {
13682 if (gameMode != IcsObserving) {
13683 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13684 DisplayError(buf, 0);
13686 if (appData.icsEngineAnalyze) {
13687 if (appData.debugMode)
13688 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
13694 /* if enable, user wants to disable icsEngineAnalyze */
13695 if (appData.icsEngineAnalyze) {
13700 appData.icsEngineAnalyze = TRUE;
13701 if (appData.debugMode)
13702 fprintf(debugFP, "ICS engine analyze starting... \n");
13705 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13706 if (appData.noChessProgram || gameMode == AnalyzeMode)
13709 if (gameMode != AnalyzeFile) {
13710 if (!appData.icsEngineAnalyze) {
13712 if (gameMode != EditGame) return 0;
13714 if (!appData.showThinking) ToggleShowThinking();
13715 ResurrectChessProgram();
13716 SendToProgram("analyze\n", &first);
13717 first.analyzing = TRUE;
13718 /*first.maybeThinking = TRUE;*/
13719 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13720 EngineOutputPopUp();
13722 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13727 StartAnalysisClock();
13728 GetTimeMark(&lastNodeCountTime);
13734 AnalyzeFileEvent ()
13736 if (appData.noChessProgram || gameMode == AnalyzeFile)
13739 if (!first.analysisSupport) {
13741 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13742 DisplayError(buf, 0);
13746 if (gameMode != AnalyzeMode) {
13747 keepInfo = 1; // mere annotating should not alter PGN tags
13750 if (gameMode != EditGame) return;
13751 if (!appData.showThinking) ToggleShowThinking();
13752 ResurrectChessProgram();
13753 SendToProgram("analyze\n", &first);
13754 first.analyzing = TRUE;
13755 /*first.maybeThinking = TRUE;*/
13756 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13757 EngineOutputPopUp();
13759 gameMode = AnalyzeFile;
13763 StartAnalysisClock();
13764 GetTimeMark(&lastNodeCountTime);
13766 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13767 AnalysisPeriodicEvent(1);
13771 MachineWhiteEvent ()
13774 char *bookHit = NULL;
13776 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13780 if (gameMode == PlayFromGameFile ||
13781 gameMode == TwoMachinesPlay ||
13782 gameMode == Training ||
13783 gameMode == AnalyzeMode ||
13784 gameMode == EndOfGame)
13787 if (gameMode == EditPosition)
13788 EditPositionDone(TRUE);
13790 if (!WhiteOnMove(currentMove)) {
13791 DisplayError(_("It is not White's turn"), 0);
13795 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13798 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13799 gameMode == AnalyzeFile)
13802 ResurrectChessProgram(); /* in case it isn't running */
13803 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13804 gameMode = MachinePlaysWhite;
13807 gameMode = MachinePlaysWhite;
13811 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13813 if (first.sendName) {
13814 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13815 SendToProgram(buf, &first);
13817 if (first.sendTime) {
13818 if (first.useColors) {
13819 SendToProgram("black\n", &first); /*gnu kludge*/
13821 SendTimeRemaining(&first, TRUE);
13823 if (first.useColors) {
13824 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13826 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13827 SetMachineThinkingEnables();
13828 first.maybeThinking = TRUE;
13832 if (appData.autoFlipView && !flipView) {
13833 flipView = !flipView;
13834 DrawPosition(FALSE, NULL);
13835 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13838 if(bookHit) { // [HGM] book: simulate book reply
13839 static char bookMove[MSG_SIZ]; // a bit generous?
13841 programStats.nodes = programStats.depth = programStats.time =
13842 programStats.score = programStats.got_only_move = 0;
13843 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13845 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13846 strcat(bookMove, bookHit);
13847 HandleMachineMove(bookMove, &first);
13852 MachineBlackEvent ()
13855 char *bookHit = NULL;
13857 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13861 if (gameMode == PlayFromGameFile ||
13862 gameMode == TwoMachinesPlay ||
13863 gameMode == Training ||
13864 gameMode == AnalyzeMode ||
13865 gameMode == EndOfGame)
13868 if (gameMode == EditPosition)
13869 EditPositionDone(TRUE);
13871 if (WhiteOnMove(currentMove)) {
13872 DisplayError(_("It is not Black's turn"), 0);
13876 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13879 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13880 gameMode == AnalyzeFile)
13883 ResurrectChessProgram(); /* in case it isn't running */
13884 gameMode = MachinePlaysBlack;
13888 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13890 if (first.sendName) {
13891 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13892 SendToProgram(buf, &first);
13894 if (first.sendTime) {
13895 if (first.useColors) {
13896 SendToProgram("white\n", &first); /*gnu kludge*/
13898 SendTimeRemaining(&first, FALSE);
13900 if (first.useColors) {
13901 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13903 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13904 SetMachineThinkingEnables();
13905 first.maybeThinking = TRUE;
13908 if (appData.autoFlipView && flipView) {
13909 flipView = !flipView;
13910 DrawPosition(FALSE, NULL);
13911 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13913 if(bookHit) { // [HGM] book: simulate book reply
13914 static char bookMove[MSG_SIZ]; // a bit generous?
13916 programStats.nodes = programStats.depth = programStats.time =
13917 programStats.score = programStats.got_only_move = 0;
13918 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13920 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13921 strcat(bookMove, bookHit);
13922 HandleMachineMove(bookMove, &first);
13928 DisplayTwoMachinesTitle ()
13931 if (appData.matchGames > 0) {
13932 if(appData.tourneyFile[0]) {
13933 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13934 gameInfo.white, _("vs."), gameInfo.black,
13935 nextGame+1, appData.matchGames+1,
13936 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13938 if (first.twoMachinesColor[0] == 'w') {
13939 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13940 gameInfo.white, _("vs."), gameInfo.black,
13941 first.matchWins, second.matchWins,
13942 matchGame - 1 - (first.matchWins + second.matchWins));
13944 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13945 gameInfo.white, _("vs."), gameInfo.black,
13946 second.matchWins, first.matchWins,
13947 matchGame - 1 - (first.matchWins + second.matchWins));
13950 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13956 SettingsMenuIfReady ()
13958 if (second.lastPing != second.lastPong) {
13959 DisplayMessage("", _("Waiting for second chess program"));
13960 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13964 DisplayMessage("", "");
13965 SettingsPopUp(&second);
13969 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13972 if (cps->pr == NoProc) {
13973 StartChessProgram(cps);
13974 if (cps->protocolVersion == 1) {
13976 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
13978 /* kludge: allow timeout for initial "feature" command */
13979 if(retry != TwoMachinesEventIfReady) FreezeUI();
13980 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13981 DisplayMessage("", buf);
13982 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13990 TwoMachinesEvent P((void))
13994 ChessProgramState *onmove;
13995 char *bookHit = NULL;
13996 static int stalling = 0;
14000 if (appData.noChessProgram) return;
14002 switch (gameMode) {
14003 case TwoMachinesPlay:
14005 case MachinePlaysWhite:
14006 case MachinePlaysBlack:
14007 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14008 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14012 case BeginningOfGame:
14013 case PlayFromGameFile:
14016 if (gameMode != EditGame) return;
14019 EditPositionDone(TRUE);
14030 // forwardMostMove = currentMove;
14031 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14032 startingEngine = TRUE;
14034 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14036 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14037 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14038 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14041 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14043 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14044 startingEngine = FALSE;
14045 DisplayError("second engine does not play this", 0);
14050 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14051 SendToProgram("force\n", &second);
14053 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14056 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14057 if(appData.matchPause>10000 || appData.matchPause<10)
14058 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14059 wait = SubtractTimeMarks(&now, &pauseStart);
14060 if(wait < appData.matchPause) {
14061 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14064 // we are now committed to starting the game
14066 DisplayMessage("", "");
14067 if (startedFromSetupPosition) {
14068 SendBoard(&second, backwardMostMove);
14069 if (appData.debugMode) {
14070 fprintf(debugFP, "Two Machines\n");
14073 for (i = backwardMostMove; i < forwardMostMove; i++) {
14074 SendMoveToProgram(i, &second);
14077 gameMode = TwoMachinesPlay;
14078 pausing = startingEngine = FALSE;
14079 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14081 DisplayTwoMachinesTitle();
14083 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14088 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14089 SendToProgram(first.computerString, &first);
14090 if (first.sendName) {
14091 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14092 SendToProgram(buf, &first);
14094 SendToProgram(second.computerString, &second);
14095 if (second.sendName) {
14096 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14097 SendToProgram(buf, &second);
14101 if (!first.sendTime || !second.sendTime) {
14102 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14103 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14105 if (onmove->sendTime) {
14106 if (onmove->useColors) {
14107 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14109 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14111 if (onmove->useColors) {
14112 SendToProgram(onmove->twoMachinesColor, onmove);
14114 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14115 // SendToProgram("go\n", onmove);
14116 onmove->maybeThinking = TRUE;
14117 SetMachineThinkingEnables();
14121 if(bookHit) { // [HGM] book: simulate book reply
14122 static char bookMove[MSG_SIZ]; // a bit generous?
14124 programStats.nodes = programStats.depth = programStats.time =
14125 programStats.score = programStats.got_only_move = 0;
14126 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14128 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14129 strcat(bookMove, bookHit);
14130 savedMessage = bookMove; // args for deferred call
14131 savedState = onmove;
14132 ScheduleDelayedEvent(DeferredBookMove, 1);
14139 if (gameMode == Training) {
14140 SetTrainingModeOff();
14141 gameMode = PlayFromGameFile;
14142 DisplayMessage("", _("Training mode off"));
14144 gameMode = Training;
14145 animateTraining = appData.animate;
14147 /* make sure we are not already at the end of the game */
14148 if (currentMove < forwardMostMove) {
14149 SetTrainingModeOn();
14150 DisplayMessage("", _("Training mode on"));
14152 gameMode = PlayFromGameFile;
14153 DisplayError(_("Already at end of game"), 0);
14162 if (!appData.icsActive) return;
14163 switch (gameMode) {
14164 case IcsPlayingWhite:
14165 case IcsPlayingBlack:
14168 case BeginningOfGame:
14176 EditPositionDone(TRUE);
14189 gameMode = IcsIdle;
14199 switch (gameMode) {
14201 SetTrainingModeOff();
14203 case MachinePlaysWhite:
14204 case MachinePlaysBlack:
14205 case BeginningOfGame:
14206 SendToProgram("force\n", &first);
14207 SetUserThinkingEnables();
14209 case PlayFromGameFile:
14210 (void) StopLoadGameTimer();
14211 if (gameFileFP != NULL) {
14216 EditPositionDone(TRUE);
14221 SendToProgram("force\n", &first);
14223 case TwoMachinesPlay:
14224 GameEnds(EndOfFile, NULL, GE_PLAYER);
14225 ResurrectChessProgram();
14226 SetUserThinkingEnables();
14229 ResurrectChessProgram();
14231 case IcsPlayingBlack:
14232 case IcsPlayingWhite:
14233 DisplayError(_("Warning: You are still playing a game"), 0);
14236 DisplayError(_("Warning: You are still observing a game"), 0);
14239 DisplayError(_("Warning: You are still examining a game"), 0);
14250 first.offeredDraw = second.offeredDraw = 0;
14252 if (gameMode == PlayFromGameFile) {
14253 whiteTimeRemaining = timeRemaining[0][currentMove];
14254 blackTimeRemaining = timeRemaining[1][currentMove];
14258 if (gameMode == MachinePlaysWhite ||
14259 gameMode == MachinePlaysBlack ||
14260 gameMode == TwoMachinesPlay ||
14261 gameMode == EndOfGame) {
14262 i = forwardMostMove;
14263 while (i > currentMove) {
14264 SendToProgram("undo\n", &first);
14267 if(!adjustedClock) {
14268 whiteTimeRemaining = timeRemaining[0][currentMove];
14269 blackTimeRemaining = timeRemaining[1][currentMove];
14270 DisplayBothClocks();
14272 if (whiteFlag || blackFlag) {
14273 whiteFlag = blackFlag = 0;
14278 gameMode = EditGame;
14285 EditPositionEvent ()
14287 if (gameMode == EditPosition) {
14293 if (gameMode != EditGame) return;
14295 gameMode = EditPosition;
14298 if (currentMove > 0)
14299 CopyBoard(boards[0], boards[currentMove]);
14301 blackPlaysFirst = !WhiteOnMove(currentMove);
14303 currentMove = forwardMostMove = backwardMostMove = 0;
14304 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14306 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14312 /* [DM] icsEngineAnalyze - possible call from other functions */
14313 if (appData.icsEngineAnalyze) {
14314 appData.icsEngineAnalyze = FALSE;
14316 DisplayMessage("",_("Close ICS engine analyze..."));
14318 if (first.analysisSupport && first.analyzing) {
14319 SendToBoth("exit\n");
14320 first.analyzing = second.analyzing = FALSE;
14322 thinkOutput[0] = NULLCHAR;
14326 EditPositionDone (Boolean fakeRights)
14328 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14330 startedFromSetupPosition = TRUE;
14331 InitChessProgram(&first, FALSE);
14332 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14333 boards[0][EP_STATUS] = EP_NONE;
14334 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14335 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14336 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14337 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14338 } else boards[0][CASTLING][2] = NoRights;
14339 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14340 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14341 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14342 } else boards[0][CASTLING][5] = NoRights;
14343 if(gameInfo.variant == VariantSChess) {
14345 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14346 boards[0][VIRGIN][i] = 0;
14347 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14348 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14352 SendToProgram("force\n", &first);
14353 if (blackPlaysFirst) {
14354 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14355 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14356 currentMove = forwardMostMove = backwardMostMove = 1;
14357 CopyBoard(boards[1], boards[0]);
14359 currentMove = forwardMostMove = backwardMostMove = 0;
14361 SendBoard(&first, forwardMostMove);
14362 if (appData.debugMode) {
14363 fprintf(debugFP, "EditPosDone\n");
14366 DisplayMessage("", "");
14367 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14368 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14369 gameMode = EditGame;
14371 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14372 ClearHighlights(); /* [AS] */
14375 /* Pause for `ms' milliseconds */
14376 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14378 TimeDelay (long ms)
14385 } while (SubtractTimeMarks(&m2, &m1) < ms);
14388 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14390 SendMultiLineToICS (char *buf)
14392 char temp[MSG_SIZ+1], *p;
14399 strncpy(temp, buf, len);
14404 if (*p == '\n' || *p == '\r')
14409 strcat(temp, "\n");
14411 SendToPlayer(temp, strlen(temp));
14415 SetWhiteToPlayEvent ()
14417 if (gameMode == EditPosition) {
14418 blackPlaysFirst = FALSE;
14419 DisplayBothClocks(); /* works because currentMove is 0 */
14420 } else if (gameMode == IcsExamining) {
14421 SendToICS(ics_prefix);
14422 SendToICS("tomove white\n");
14427 SetBlackToPlayEvent ()
14429 if (gameMode == EditPosition) {
14430 blackPlaysFirst = TRUE;
14431 currentMove = 1; /* kludge */
14432 DisplayBothClocks();
14434 } else if (gameMode == IcsExamining) {
14435 SendToICS(ics_prefix);
14436 SendToICS("tomove black\n");
14441 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14444 ChessSquare piece = boards[0][y][x];
14446 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14448 switch (selection) {
14450 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14451 SendToICS(ics_prefix);
14452 SendToICS("bsetup clear\n");
14453 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14454 SendToICS(ics_prefix);
14455 SendToICS("clearboard\n");
14457 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14458 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14459 for (y = 0; y < BOARD_HEIGHT; y++) {
14460 if (gameMode == IcsExamining) {
14461 if (boards[currentMove][y][x] != EmptySquare) {
14462 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14467 boards[0][y][x] = p;
14472 if (gameMode == EditPosition) {
14473 DrawPosition(FALSE, boards[0]);
14478 SetWhiteToPlayEvent();
14482 SetBlackToPlayEvent();
14486 if (gameMode == IcsExamining) {
14487 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14488 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14491 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14492 if(x == BOARD_LEFT-2) {
14493 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14494 boards[0][y][1] = 0;
14496 if(x == BOARD_RGHT+1) {
14497 if(y >= gameInfo.holdingsSize) break;
14498 boards[0][y][BOARD_WIDTH-2] = 0;
14501 boards[0][y][x] = EmptySquare;
14502 DrawPosition(FALSE, boards[0]);
14507 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14508 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14509 selection = (ChessSquare) (PROMOTED piece);
14510 } else if(piece == EmptySquare) selection = WhiteSilver;
14511 else selection = (ChessSquare)((int)piece - 1);
14515 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14516 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14517 selection = (ChessSquare) (DEMOTED piece);
14518 } else if(piece == EmptySquare) selection = BlackSilver;
14519 else selection = (ChessSquare)((int)piece + 1);
14524 if(gameInfo.variant == VariantShatranj ||
14525 gameInfo.variant == VariantXiangqi ||
14526 gameInfo.variant == VariantCourier ||
14527 gameInfo.variant == VariantASEAN ||
14528 gameInfo.variant == VariantMakruk )
14529 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14534 if(gameInfo.variant == VariantXiangqi)
14535 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14536 if(gameInfo.variant == VariantKnightmate)
14537 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14540 if (gameMode == IcsExamining) {
14541 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14542 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14543 PieceToChar(selection), AAA + x, ONE + y);
14546 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14548 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14549 n = PieceToNumber(selection - BlackPawn);
14550 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14551 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14552 boards[0][BOARD_HEIGHT-1-n][1]++;
14554 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14555 n = PieceToNumber(selection);
14556 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14557 boards[0][n][BOARD_WIDTH-1] = selection;
14558 boards[0][n][BOARD_WIDTH-2]++;
14561 boards[0][y][x] = selection;
14562 DrawPosition(TRUE, boards[0]);
14564 fromX = fromY = -1;
14572 DropMenuEvent (ChessSquare selection, int x, int y)
14574 ChessMove moveType;
14576 switch (gameMode) {
14577 case IcsPlayingWhite:
14578 case MachinePlaysBlack:
14579 if (!WhiteOnMove(currentMove)) {
14580 DisplayMoveError(_("It is Black's turn"));
14583 moveType = WhiteDrop;
14585 case IcsPlayingBlack:
14586 case MachinePlaysWhite:
14587 if (WhiteOnMove(currentMove)) {
14588 DisplayMoveError(_("It is White's turn"));
14591 moveType = BlackDrop;
14594 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14600 if (moveType == BlackDrop && selection < BlackPawn) {
14601 selection = (ChessSquare) ((int) selection
14602 + (int) BlackPawn - (int) WhitePawn);
14604 if (boards[currentMove][y][x] != EmptySquare) {
14605 DisplayMoveError(_("That square is occupied"));
14609 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14615 /* Accept a pending offer of any kind from opponent */
14617 if (appData.icsActive) {
14618 SendToICS(ics_prefix);
14619 SendToICS("accept\n");
14620 } else if (cmailMsgLoaded) {
14621 if (currentMove == cmailOldMove &&
14622 commentList[cmailOldMove] != NULL &&
14623 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14624 "Black offers a draw" : "White offers a draw")) {
14626 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14627 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14629 DisplayError(_("There is no pending offer on this move"), 0);
14630 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14633 /* Not used for offers from chess program */
14640 /* Decline a pending offer of any kind from opponent */
14642 if (appData.icsActive) {
14643 SendToICS(ics_prefix);
14644 SendToICS("decline\n");
14645 } else if (cmailMsgLoaded) {
14646 if (currentMove == cmailOldMove &&
14647 commentList[cmailOldMove] != NULL &&
14648 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14649 "Black offers a draw" : "White offers a draw")) {
14651 AppendComment(cmailOldMove, "Draw declined", TRUE);
14652 DisplayComment(cmailOldMove - 1, "Draw declined");
14655 DisplayError(_("There is no pending offer on this move"), 0);
14658 /* Not used for offers from chess program */
14665 /* Issue ICS rematch command */
14666 if (appData.icsActive) {
14667 SendToICS(ics_prefix);
14668 SendToICS("rematch\n");
14675 /* Call your opponent's flag (claim a win on time) */
14676 if (appData.icsActive) {
14677 SendToICS(ics_prefix);
14678 SendToICS("flag\n");
14680 switch (gameMode) {
14683 case MachinePlaysWhite:
14686 GameEnds(GameIsDrawn, "Both players ran out of time",
14689 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14691 DisplayError(_("Your opponent is not out of time"), 0);
14694 case MachinePlaysBlack:
14697 GameEnds(GameIsDrawn, "Both players ran out of time",
14700 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14702 DisplayError(_("Your opponent is not out of time"), 0);
14710 ClockClick (int which)
14711 { // [HGM] code moved to back-end from winboard.c
14712 if(which) { // black clock
14713 if (gameMode == EditPosition || gameMode == IcsExamining) {
14714 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14715 SetBlackToPlayEvent();
14716 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14717 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14718 } else if (shiftKey) {
14719 AdjustClock(which, -1);
14720 } else if (gameMode == IcsPlayingWhite ||
14721 gameMode == MachinePlaysBlack) {
14724 } else { // white clock
14725 if (gameMode == EditPosition || gameMode == IcsExamining) {
14726 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14727 SetWhiteToPlayEvent();
14728 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14729 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14730 } else if (shiftKey) {
14731 AdjustClock(which, -1);
14732 } else if (gameMode == IcsPlayingBlack ||
14733 gameMode == MachinePlaysWhite) {
14742 /* Offer draw or accept pending draw offer from opponent */
14744 if (appData.icsActive) {
14745 /* Note: tournament rules require draw offers to be
14746 made after you make your move but before you punch
14747 your clock. Currently ICS doesn't let you do that;
14748 instead, you immediately punch your clock after making
14749 a move, but you can offer a draw at any time. */
14751 SendToICS(ics_prefix);
14752 SendToICS("draw\n");
14753 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14754 } else if (cmailMsgLoaded) {
14755 if (currentMove == cmailOldMove &&
14756 commentList[cmailOldMove] != NULL &&
14757 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14758 "Black offers a draw" : "White offers a draw")) {
14759 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14760 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14761 } else if (currentMove == cmailOldMove + 1) {
14762 char *offer = WhiteOnMove(cmailOldMove) ?
14763 "White offers a draw" : "Black offers a draw";
14764 AppendComment(currentMove, offer, TRUE);
14765 DisplayComment(currentMove - 1, offer);
14766 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14768 DisplayError(_("You must make your move before offering a draw"), 0);
14769 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14771 } else if (first.offeredDraw) {
14772 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14774 if (first.sendDrawOffers) {
14775 SendToProgram("draw\n", &first);
14776 userOfferedDraw = TRUE;
14784 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14786 if (appData.icsActive) {
14787 SendToICS(ics_prefix);
14788 SendToICS("adjourn\n");
14790 /* Currently GNU Chess doesn't offer or accept Adjourns */
14798 /* Offer Abort or accept pending Abort offer from opponent */
14800 if (appData.icsActive) {
14801 SendToICS(ics_prefix);
14802 SendToICS("abort\n");
14804 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14811 /* Resign. You can do this even if it's not your turn. */
14813 if (appData.icsActive) {
14814 SendToICS(ics_prefix);
14815 SendToICS("resign\n");
14817 switch (gameMode) {
14818 case MachinePlaysWhite:
14819 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14821 case MachinePlaysBlack:
14822 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14825 if (cmailMsgLoaded) {
14827 if (WhiteOnMove(cmailOldMove)) {
14828 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14830 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14832 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14843 StopObservingEvent ()
14845 /* Stop observing current games */
14846 SendToICS(ics_prefix);
14847 SendToICS("unobserve\n");
14851 StopExaminingEvent ()
14853 /* Stop observing current game */
14854 SendToICS(ics_prefix);
14855 SendToICS("unexamine\n");
14859 ForwardInner (int target)
14861 int limit; int oldSeekGraphUp = seekGraphUp;
14863 if (appData.debugMode)
14864 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14865 target, currentMove, forwardMostMove);
14867 if (gameMode == EditPosition)
14870 seekGraphUp = FALSE;
14871 MarkTargetSquares(1);
14873 if (gameMode == PlayFromGameFile && !pausing)
14876 if (gameMode == IcsExamining && pausing)
14877 limit = pauseExamForwardMostMove;
14879 limit = forwardMostMove;
14881 if (target > limit) target = limit;
14883 if (target > 0 && moveList[target - 1][0]) {
14884 int fromX, fromY, toX, toY;
14885 toX = moveList[target - 1][2] - AAA;
14886 toY = moveList[target - 1][3] - ONE;
14887 if (moveList[target - 1][1] == '@') {
14888 if (appData.highlightLastMove) {
14889 SetHighlights(-1, -1, toX, toY);
14892 fromX = moveList[target - 1][0] - AAA;
14893 fromY = moveList[target - 1][1] - ONE;
14894 if (target == currentMove + 1) {
14895 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14897 if (appData.highlightLastMove) {
14898 SetHighlights(fromX, fromY, toX, toY);
14902 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14903 gameMode == Training || gameMode == PlayFromGameFile ||
14904 gameMode == AnalyzeFile) {
14905 while (currentMove < target) {
14906 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14907 SendMoveToProgram(currentMove++, &first);
14910 currentMove = target;
14913 if (gameMode == EditGame || gameMode == EndOfGame) {
14914 whiteTimeRemaining = timeRemaining[0][currentMove];
14915 blackTimeRemaining = timeRemaining[1][currentMove];
14917 DisplayBothClocks();
14918 DisplayMove(currentMove - 1);
14919 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14920 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14921 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14922 DisplayComment(currentMove - 1, commentList[currentMove]);
14924 ClearMap(); // [HGM] exclude: invalidate map
14931 if (gameMode == IcsExamining && !pausing) {
14932 SendToICS(ics_prefix);
14933 SendToICS("forward\n");
14935 ForwardInner(currentMove + 1);
14942 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14943 /* to optimze, we temporarily turn off analysis mode while we feed
14944 * the remaining moves to the engine. Otherwise we get analysis output
14947 if (first.analysisSupport) {
14948 SendToProgram("exit\nforce\n", &first);
14949 first.analyzing = FALSE;
14953 if (gameMode == IcsExamining && !pausing) {
14954 SendToICS(ics_prefix);
14955 SendToICS("forward 999999\n");
14957 ForwardInner(forwardMostMove);
14960 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14961 /* we have fed all the moves, so reactivate analysis mode */
14962 SendToProgram("analyze\n", &first);
14963 first.analyzing = TRUE;
14964 /*first.maybeThinking = TRUE;*/
14965 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14970 BackwardInner (int target)
14972 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14974 if (appData.debugMode)
14975 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14976 target, currentMove, forwardMostMove);
14978 if (gameMode == EditPosition) return;
14979 seekGraphUp = FALSE;
14980 MarkTargetSquares(1);
14981 if (currentMove <= backwardMostMove) {
14983 DrawPosition(full_redraw, boards[currentMove]);
14986 if (gameMode == PlayFromGameFile && !pausing)
14989 if (moveList[target][0]) {
14990 int fromX, fromY, toX, toY;
14991 toX = moveList[target][2] - AAA;
14992 toY = moveList[target][3] - ONE;
14993 if (moveList[target][1] == '@') {
14994 if (appData.highlightLastMove) {
14995 SetHighlights(-1, -1, toX, toY);
14998 fromX = moveList[target][0] - AAA;
14999 fromY = moveList[target][1] - ONE;
15000 if (target == currentMove - 1) {
15001 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15003 if (appData.highlightLastMove) {
15004 SetHighlights(fromX, fromY, toX, toY);
15008 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15009 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15010 while (currentMove > target) {
15011 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15012 // null move cannot be undone. Reload program with move history before it.
15014 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15015 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15017 SendBoard(&first, i);
15018 if(second.analyzing) SendBoard(&second, i);
15019 for(currentMove=i; currentMove<target; currentMove++) {
15020 SendMoveToProgram(currentMove, &first);
15021 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15025 SendToBoth("undo\n");
15029 currentMove = target;
15032 if (gameMode == EditGame || gameMode == EndOfGame) {
15033 whiteTimeRemaining = timeRemaining[0][currentMove];
15034 blackTimeRemaining = timeRemaining[1][currentMove];
15036 DisplayBothClocks();
15037 DisplayMove(currentMove - 1);
15038 DrawPosition(full_redraw, boards[currentMove]);
15039 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15040 // [HGM] PV info: routine tests if comment empty
15041 DisplayComment(currentMove - 1, commentList[currentMove]);
15042 ClearMap(); // [HGM] exclude: invalidate map
15048 if (gameMode == IcsExamining && !pausing) {
15049 SendToICS(ics_prefix);
15050 SendToICS("backward\n");
15052 BackwardInner(currentMove - 1);
15059 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15060 /* to optimize, we temporarily turn off analysis mode while we undo
15061 * all the moves. Otherwise we get analysis output after each undo.
15063 if (first.analysisSupport) {
15064 SendToProgram("exit\nforce\n", &first);
15065 first.analyzing = FALSE;
15069 if (gameMode == IcsExamining && !pausing) {
15070 SendToICS(ics_prefix);
15071 SendToICS("backward 999999\n");
15073 BackwardInner(backwardMostMove);
15076 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15077 /* we have fed all the moves, so reactivate analysis mode */
15078 SendToProgram("analyze\n", &first);
15079 first.analyzing = TRUE;
15080 /*first.maybeThinking = TRUE;*/
15081 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15088 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15089 if (to >= forwardMostMove) to = forwardMostMove;
15090 if (to <= backwardMostMove) to = backwardMostMove;
15091 if (to < currentMove) {
15099 RevertEvent (Boolean annotate)
15101 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15104 if (gameMode != IcsExamining) {
15105 DisplayError(_("You are not examining a game"), 0);
15109 DisplayError(_("You can't revert while pausing"), 0);
15112 SendToICS(ics_prefix);
15113 SendToICS("revert\n");
15117 RetractMoveEvent ()
15119 switch (gameMode) {
15120 case MachinePlaysWhite:
15121 case MachinePlaysBlack:
15122 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15123 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15126 if (forwardMostMove < 2) return;
15127 currentMove = forwardMostMove = forwardMostMove - 2;
15128 whiteTimeRemaining = timeRemaining[0][currentMove];
15129 blackTimeRemaining = timeRemaining[1][currentMove];
15130 DisplayBothClocks();
15131 DisplayMove(currentMove - 1);
15132 ClearHighlights();/*!! could figure this out*/
15133 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15134 SendToProgram("remove\n", &first);
15135 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15138 case BeginningOfGame:
15142 case IcsPlayingWhite:
15143 case IcsPlayingBlack:
15144 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15145 SendToICS(ics_prefix);
15146 SendToICS("takeback 2\n");
15148 SendToICS(ics_prefix);
15149 SendToICS("takeback 1\n");
15158 ChessProgramState *cps;
15160 switch (gameMode) {
15161 case MachinePlaysWhite:
15162 if (!WhiteOnMove(forwardMostMove)) {
15163 DisplayError(_("It is your turn"), 0);
15168 case MachinePlaysBlack:
15169 if (WhiteOnMove(forwardMostMove)) {
15170 DisplayError(_("It is your turn"), 0);
15175 case TwoMachinesPlay:
15176 if (WhiteOnMove(forwardMostMove) ==
15177 (first.twoMachinesColor[0] == 'w')) {
15183 case BeginningOfGame:
15187 SendToProgram("?\n", cps);
15191 TruncateGameEvent ()
15194 if (gameMode != EditGame) return;
15201 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15202 if (forwardMostMove > currentMove) {
15203 if (gameInfo.resultDetails != NULL) {
15204 free(gameInfo.resultDetails);
15205 gameInfo.resultDetails = NULL;
15206 gameInfo.result = GameUnfinished;
15208 forwardMostMove = currentMove;
15209 HistorySet(parseList, backwardMostMove, forwardMostMove,
15217 if (appData.noChessProgram) return;
15218 switch (gameMode) {
15219 case MachinePlaysWhite:
15220 if (WhiteOnMove(forwardMostMove)) {
15221 DisplayError(_("Wait until your turn"), 0);
15225 case BeginningOfGame:
15226 case MachinePlaysBlack:
15227 if (!WhiteOnMove(forwardMostMove)) {
15228 DisplayError(_("Wait until your turn"), 0);
15233 DisplayError(_("No hint available"), 0);
15236 SendToProgram("hint\n", &first);
15237 hintRequested = TRUE;
15243 ListGame * lg = (ListGame *) gameList.head;
15246 static int secondTime = FALSE;
15248 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15249 DisplayError(_("Game list not loaded or empty"), 0);
15253 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15256 DisplayNote(_("Book file exists! Try again for overwrite."));
15260 creatingBook = TRUE;
15261 secondTime = FALSE;
15263 /* Get list size */
15264 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15265 LoadGame(f, nItem, "", TRUE);
15266 AddGameToBook(TRUE);
15267 lg = (ListGame *) lg->node.succ;
15270 creatingBook = FALSE;
15277 if (appData.noChessProgram) return;
15278 switch (gameMode) {
15279 case MachinePlaysWhite:
15280 if (WhiteOnMove(forwardMostMove)) {
15281 DisplayError(_("Wait until your turn"), 0);
15285 case BeginningOfGame:
15286 case MachinePlaysBlack:
15287 if (!WhiteOnMove(forwardMostMove)) {
15288 DisplayError(_("Wait until your turn"), 0);
15293 EditPositionDone(TRUE);
15295 case TwoMachinesPlay:
15300 SendToProgram("bk\n", &first);
15301 bookOutput[0] = NULLCHAR;
15302 bookRequested = TRUE;
15308 char *tags = PGNTags(&gameInfo);
15309 TagsPopUp(tags, CmailMsg());
15313 /* end button procedures */
15316 PrintPosition (FILE *fp, int move)
15320 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15321 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15322 char c = PieceToChar(boards[move][i][j]);
15323 fputc(c == 'x' ? '.' : c, fp);
15324 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15327 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15328 fprintf(fp, "white to play\n");
15330 fprintf(fp, "black to play\n");
15334 PrintOpponents (FILE *fp)
15336 if (gameInfo.white != NULL) {
15337 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15343 /* Find last component of program's own name, using some heuristics */
15345 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15348 int local = (strcmp(host, "localhost") == 0);
15349 while (!local && (p = strchr(prog, ';')) != NULL) {
15351 while (*p == ' ') p++;
15354 if (*prog == '"' || *prog == '\'') {
15355 q = strchr(prog + 1, *prog);
15357 q = strchr(prog, ' ');
15359 if (q == NULL) q = prog + strlen(prog);
15361 while (p >= prog && *p != '/' && *p != '\\') p--;
15363 if(p == prog && *p == '"') p++;
15365 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15366 memcpy(buf, p, q - p);
15367 buf[q - p] = NULLCHAR;
15375 TimeControlTagValue ()
15378 if (!appData.clockMode) {
15379 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15380 } else if (movesPerSession > 0) {
15381 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15382 } else if (timeIncrement == 0) {
15383 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15385 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15387 return StrSave(buf);
15393 /* This routine is used only for certain modes */
15394 VariantClass v = gameInfo.variant;
15395 ChessMove r = GameUnfinished;
15398 if(keepInfo) return;
15400 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15401 r = gameInfo.result;
15402 p = gameInfo.resultDetails;
15403 gameInfo.resultDetails = NULL;
15405 ClearGameInfo(&gameInfo);
15406 gameInfo.variant = v;
15408 switch (gameMode) {
15409 case MachinePlaysWhite:
15410 gameInfo.event = StrSave( appData.pgnEventHeader );
15411 gameInfo.site = StrSave(HostName());
15412 gameInfo.date = PGNDate();
15413 gameInfo.round = StrSave("-");
15414 gameInfo.white = StrSave(first.tidy);
15415 gameInfo.black = StrSave(UserName());
15416 gameInfo.timeControl = TimeControlTagValue();
15419 case MachinePlaysBlack:
15420 gameInfo.event = StrSave( appData.pgnEventHeader );
15421 gameInfo.site = StrSave(HostName());
15422 gameInfo.date = PGNDate();
15423 gameInfo.round = StrSave("-");
15424 gameInfo.white = StrSave(UserName());
15425 gameInfo.black = StrSave(first.tidy);
15426 gameInfo.timeControl = TimeControlTagValue();
15429 case TwoMachinesPlay:
15430 gameInfo.event = StrSave( appData.pgnEventHeader );
15431 gameInfo.site = StrSave(HostName());
15432 gameInfo.date = PGNDate();
15435 snprintf(buf, MSG_SIZ, "%d", roundNr);
15436 gameInfo.round = StrSave(buf);
15438 gameInfo.round = StrSave("-");
15440 if (first.twoMachinesColor[0] == 'w') {
15441 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15442 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15444 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15445 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15447 gameInfo.timeControl = TimeControlTagValue();
15451 gameInfo.event = StrSave("Edited game");
15452 gameInfo.site = StrSave(HostName());
15453 gameInfo.date = PGNDate();
15454 gameInfo.round = StrSave("-");
15455 gameInfo.white = StrSave("-");
15456 gameInfo.black = StrSave("-");
15457 gameInfo.result = r;
15458 gameInfo.resultDetails = p;
15462 gameInfo.event = StrSave("Edited position");
15463 gameInfo.site = StrSave(HostName());
15464 gameInfo.date = PGNDate();
15465 gameInfo.round = StrSave("-");
15466 gameInfo.white = StrSave("-");
15467 gameInfo.black = StrSave("-");
15470 case IcsPlayingWhite:
15471 case IcsPlayingBlack:
15476 case PlayFromGameFile:
15477 gameInfo.event = StrSave("Game from non-PGN file");
15478 gameInfo.site = StrSave(HostName());
15479 gameInfo.date = PGNDate();
15480 gameInfo.round = StrSave("-");
15481 gameInfo.white = StrSave("?");
15482 gameInfo.black = StrSave("?");
15491 ReplaceComment (int index, char *text)
15497 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15498 pvInfoList[index-1].depth == len &&
15499 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15500 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15501 while (*text == '\n') text++;
15502 len = strlen(text);
15503 while (len > 0 && text[len - 1] == '\n') len--;
15505 if (commentList[index] != NULL)
15506 free(commentList[index]);
15509 commentList[index] = NULL;
15512 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15513 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15514 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15515 commentList[index] = (char *) malloc(len + 2);
15516 strncpy(commentList[index], text, len);
15517 commentList[index][len] = '\n';
15518 commentList[index][len + 1] = NULLCHAR;
15520 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15522 commentList[index] = (char *) malloc(len + 7);
15523 safeStrCpy(commentList[index], "{\n", 3);
15524 safeStrCpy(commentList[index]+2, text, len+1);
15525 commentList[index][len+2] = NULLCHAR;
15526 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15527 strcat(commentList[index], "\n}\n");
15532 CrushCRs (char *text)
15540 if (ch == '\r') continue;
15542 } while (ch != '\0');
15546 AppendComment (int index, char *text, Boolean addBraces)
15547 /* addBraces tells if we should add {} */
15552 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15553 if(addBraces == 3) addBraces = 0; else // force appending literally
15554 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15557 while (*text == '\n') text++;
15558 len = strlen(text);
15559 while (len > 0 && text[len - 1] == '\n') len--;
15560 text[len] = NULLCHAR;
15562 if (len == 0) return;
15564 if (commentList[index] != NULL) {
15565 Boolean addClosingBrace = addBraces;
15566 old = commentList[index];
15567 oldlen = strlen(old);
15568 while(commentList[index][oldlen-1] == '\n')
15569 commentList[index][--oldlen] = NULLCHAR;
15570 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15571 safeStrCpy(commentList[index], old, oldlen + len + 6);
15573 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15574 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15575 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15576 while (*text == '\n') { text++; len--; }
15577 commentList[index][--oldlen] = NULLCHAR;
15579 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15580 else strcat(commentList[index], "\n");
15581 strcat(commentList[index], text);
15582 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15583 else strcat(commentList[index], "\n");
15585 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15587 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15588 else commentList[index][0] = NULLCHAR;
15589 strcat(commentList[index], text);
15590 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15591 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15596 FindStr (char * text, char * sub_text)
15598 char * result = strstr( text, sub_text );
15600 if( result != NULL ) {
15601 result += strlen( sub_text );
15607 /* [AS] Try to extract PV info from PGN comment */
15608 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15610 GetInfoFromComment (int index, char * text)
15612 char * sep = text, *p;
15614 if( text != NULL && index > 0 ) {
15617 int time = -1, sec = 0, deci;
15618 char * s_eval = FindStr( text, "[%eval " );
15619 char * s_emt = FindStr( text, "[%emt " );
15621 if( s_eval != NULL || s_emt != NULL ) {
15623 if(0) { // [HGM] this code is not finished, and could actually be detrimental
15628 if( s_eval != NULL ) {
15629 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15633 if( delim != ']' ) {
15638 if( s_emt != NULL ) {
15643 /* We expect something like: [+|-]nnn.nn/dd */
15646 if(*text != '{') return text; // [HGM] braces: must be normal comment
15648 sep = strchr( text, '/' );
15649 if( sep == NULL || sep < (text+4) ) {
15654 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
15655 if(p[1] == '(') { // comment starts with PV
15656 p = strchr(p, ')'); // locate end of PV
15657 if(p == NULL || sep < p+5) return text;
15658 // at this point we have something like "{(.*) +0.23/6 ..."
15659 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15660 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15661 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15663 time = -1; sec = -1; deci = -1;
15664 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15665 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15666 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15667 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15671 if( score_lo < 0 || score_lo >= 100 ) {
15675 if(sec >= 0) time = 600*time + 10*sec; else
15676 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15678 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
15680 /* [HGM] PV time: now locate end of PV info */
15681 while( *++sep >= '0' && *sep <= '9'); // strip depth
15683 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15685 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15687 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15688 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15699 pvInfoList[index-1].depth = depth;
15700 pvInfoList[index-1].score = score;
15701 pvInfoList[index-1].time = 10*time; // centi-sec
15702 if(*sep == '}') *sep = 0; else *--sep = '{';
15703 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15709 SendToProgram (char *message, ChessProgramState *cps)
15711 int count, outCount, error;
15714 if (cps->pr == NoProc) return;
15717 if (appData.debugMode) {
15720 fprintf(debugFP, "%ld >%-6s: %s",
15721 SubtractTimeMarks(&now, &programStartTime),
15722 cps->which, message);
15724 fprintf(serverFP, "%ld >%-6s: %s",
15725 SubtractTimeMarks(&now, &programStartTime),
15726 cps->which, message), fflush(serverFP);
15729 count = strlen(message);
15730 outCount = OutputToProcess(cps->pr, message, count, &error);
15731 if (outCount < count && !exiting
15732 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15733 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15734 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15735 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15736 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15737 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15738 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15739 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15741 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15742 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15743 gameInfo.result = res;
15745 gameInfo.resultDetails = StrSave(buf);
15747 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15748 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15753 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15757 ChessProgramState *cps = (ChessProgramState *)closure;
15759 if (isr != cps->isr) return; /* Killed intentionally */
15762 RemoveInputSource(cps->isr);
15763 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15764 _(cps->which), cps->program);
15765 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15766 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15767 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15768 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15769 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15770 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15772 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15773 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15774 gameInfo.result = res;
15776 gameInfo.resultDetails = StrSave(buf);
15778 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15779 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15781 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15782 _(cps->which), cps->program);
15783 RemoveInputSource(cps->isr);
15785 /* [AS] Program is misbehaving badly... kill it */
15786 if( count == -2 ) {
15787 DestroyChildProcess( cps->pr, 9 );
15791 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15796 if ((end_str = strchr(message, '\r')) != NULL)
15797 *end_str = NULLCHAR;
15798 if ((end_str = strchr(message, '\n')) != NULL)
15799 *end_str = NULLCHAR;
15801 if (appData.debugMode) {
15802 TimeMark now; int print = 1;
15803 char *quote = ""; char c; int i;
15805 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15806 char start = message[0];
15807 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15808 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15809 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15810 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15811 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15812 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15813 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15814 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15815 sscanf(message, "hint: %c", &c)!=1 &&
15816 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15817 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15818 print = (appData.engineComments >= 2);
15820 message[0] = start; // restore original message
15824 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15825 SubtractTimeMarks(&now, &programStartTime), cps->which,
15829 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15830 SubtractTimeMarks(&now, &programStartTime), cps->which,
15832 message), fflush(serverFP);
15836 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15837 if (appData.icsEngineAnalyze) {
15838 if (strstr(message, "whisper") != NULL ||
15839 strstr(message, "kibitz") != NULL ||
15840 strstr(message, "tellics") != NULL) return;
15843 HandleMachineMove(message, cps);
15848 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15853 if( timeControl_2 > 0 ) {
15854 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15855 tc = timeControl_2;
15858 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15859 inc /= cps->timeOdds;
15860 st /= cps->timeOdds;
15862 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15865 /* Set exact time per move, normally using st command */
15866 if (cps->stKludge) {
15867 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15869 if (seconds == 0) {
15870 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15872 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15875 snprintf(buf, MSG_SIZ, "st %d\n", st);
15878 /* Set conventional or incremental time control, using level command */
15879 if (seconds == 0) {
15880 /* Note old gnuchess bug -- minutes:seconds used to not work.
15881 Fixed in later versions, but still avoid :seconds
15882 when seconds is 0. */
15883 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15885 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15886 seconds, inc/1000.);
15889 SendToProgram(buf, cps);
15891 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15892 /* Orthogonally, limit search to given depth */
15894 if (cps->sdKludge) {
15895 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15897 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15899 SendToProgram(buf, cps);
15902 if(cps->nps >= 0) { /* [HGM] nps */
15903 if(cps->supportsNPS == FALSE)
15904 cps->nps = -1; // don't use if engine explicitly says not supported!
15906 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15907 SendToProgram(buf, cps);
15912 ChessProgramState *
15914 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15916 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15917 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15923 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15925 char message[MSG_SIZ];
15928 /* Note: this routine must be called when the clocks are stopped
15929 or when they have *just* been set or switched; otherwise
15930 it will be off by the time since the current tick started.
15932 if (machineWhite) {
15933 time = whiteTimeRemaining / 10;
15934 otime = blackTimeRemaining / 10;
15936 time = blackTimeRemaining / 10;
15937 otime = whiteTimeRemaining / 10;
15939 /* [HGM] translate opponent's time by time-odds factor */
15940 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15942 if (time <= 0) time = 1;
15943 if (otime <= 0) otime = 1;
15945 snprintf(message, MSG_SIZ, "time %ld\n", time);
15946 SendToProgram(message, cps);
15948 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15949 SendToProgram(message, cps);
15953 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15956 int len = strlen(name);
15959 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15961 sscanf(*p, "%d", &val);
15963 while (**p && **p != ' ')
15965 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15966 SendToProgram(buf, cps);
15973 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15976 int len = strlen(name);
15977 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15979 sscanf(*p, "%d", loc);
15980 while (**p && **p != ' ') (*p)++;
15981 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15982 SendToProgram(buf, cps);
15989 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
15992 int len = strlen(name);
15993 if (strncmp((*p), name, len) == 0
15994 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15996 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
15997 sscanf(*p, "%[^\"]", *loc);
15998 while (**p && **p != '\"') (*p)++;
15999 if (**p == '\"') (*p)++;
16000 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16001 SendToProgram(buf, cps);
16008 ParseOption (Option *opt, ChessProgramState *cps)
16009 // [HGM] options: process the string that defines an engine option, and determine
16010 // name, type, default value, and allowed value range
16012 char *p, *q, buf[MSG_SIZ];
16013 int n, min = (-1)<<31, max = 1<<31, def;
16015 if(p = strstr(opt->name, " -spin ")) {
16016 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16017 if(max < min) max = min; // enforce consistency
16018 if(def < min) def = min;
16019 if(def > max) def = max;
16024 } else if((p = strstr(opt->name, " -slider "))) {
16025 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16026 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16027 if(max < min) max = min; // enforce consistency
16028 if(def < min) def = min;
16029 if(def > max) def = max;
16033 opt->type = Spin; // Slider;
16034 } else if((p = strstr(opt->name, " -string "))) {
16035 opt->textValue = p+9;
16036 opt->type = TextBox;
16037 } else if((p = strstr(opt->name, " -file "))) {
16038 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16039 opt->textValue = p+7;
16040 opt->type = FileName; // FileName;
16041 } else if((p = strstr(opt->name, " -path "))) {
16042 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16043 opt->textValue = p+7;
16044 opt->type = PathName; // PathName;
16045 } else if(p = strstr(opt->name, " -check ")) {
16046 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16047 opt->value = (def != 0);
16048 opt->type = CheckBox;
16049 } else if(p = strstr(opt->name, " -combo ")) {
16050 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16051 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16052 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16053 opt->value = n = 0;
16054 while(q = StrStr(q, " /// ")) {
16055 n++; *q = 0; // count choices, and null-terminate each of them
16057 if(*q == '*') { // remember default, which is marked with * prefix
16061 cps->comboList[cps->comboCnt++] = q;
16063 cps->comboList[cps->comboCnt++] = NULL;
16065 opt->type = ComboBox;
16066 } else if(p = strstr(opt->name, " -button")) {
16067 opt->type = Button;
16068 } else if(p = strstr(opt->name, " -save")) {
16069 opt->type = SaveButton;
16070 } else return FALSE;
16071 *p = 0; // terminate option name
16072 // now look if the command-line options define a setting for this engine option.
16073 if(cps->optionSettings && cps->optionSettings[0])
16074 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16075 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16076 snprintf(buf, MSG_SIZ, "option %s", p);
16077 if(p = strstr(buf, ",")) *p = 0;
16078 if(q = strchr(buf, '=')) switch(opt->type) {
16080 for(n=0; n<opt->max; n++)
16081 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16084 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16088 opt->value = atoi(q+1);
16093 SendToProgram(buf, cps);
16099 FeatureDone (ChessProgramState *cps, int val)
16101 DelayedEventCallback cb = GetDelayedEvent();
16102 if ((cb == InitBackEnd3 && cps == &first) ||
16103 (cb == SettingsMenuIfReady && cps == &second) ||
16104 (cb == LoadEngine) ||
16105 (cb == TwoMachinesEventIfReady)) {
16106 CancelDelayedEvent();
16107 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16109 cps->initDone = val;
16110 if(val) cps->reload = FALSE;
16113 /* Parse feature command from engine */
16115 ParseFeatures (char *args, ChessProgramState *cps)
16123 while (*p == ' ') p++;
16124 if (*p == NULLCHAR) return;
16126 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16127 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16128 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16129 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16130 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16131 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16132 if (BoolFeature(&p, "reuse", &val, cps)) {
16133 /* Engine can disable reuse, but can't enable it if user said no */
16134 if (!val) cps->reuse = FALSE;
16137 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16138 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16139 if (gameMode == TwoMachinesPlay) {
16140 DisplayTwoMachinesTitle();
16146 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16147 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16148 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16149 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16150 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16151 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16152 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16153 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16154 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16155 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16156 if (IntFeature(&p, "done", &val, cps)) {
16157 FeatureDone(cps, val);
16160 /* Added by Tord: */
16161 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16162 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16163 /* End of additions by Tord */
16165 /* [HGM] added features: */
16166 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16167 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16168 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16169 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16170 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16171 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16172 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16173 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16174 FREE(cps->option[cps->nrOptions].name);
16175 cps->option[cps->nrOptions].name = q; q = NULL;
16176 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16177 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16178 SendToProgram(buf, cps);
16181 if(cps->nrOptions >= MAX_OPTIONS) {
16183 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16184 DisplayError(buf, 0);
16188 /* End of additions by HGM */
16190 /* unknown feature: complain and skip */
16192 while (*q && *q != '=') q++;
16193 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16194 SendToProgram(buf, cps);
16200 while (*p && *p != '\"') p++;
16201 if (*p == '\"') p++;
16203 while (*p && *p != ' ') p++;
16211 PeriodicUpdatesEvent (int newState)
16213 if (newState == appData.periodicUpdates)
16216 appData.periodicUpdates=newState;
16218 /* Display type changes, so update it now */
16219 // DisplayAnalysis();
16221 /* Get the ball rolling again... */
16223 AnalysisPeriodicEvent(1);
16224 StartAnalysisClock();
16229 PonderNextMoveEvent (int newState)
16231 if (newState == appData.ponderNextMove) return;
16232 if (gameMode == EditPosition) EditPositionDone(TRUE);
16234 SendToProgram("hard\n", &first);
16235 if (gameMode == TwoMachinesPlay) {
16236 SendToProgram("hard\n", &second);
16239 SendToProgram("easy\n", &first);
16240 thinkOutput[0] = NULLCHAR;
16241 if (gameMode == TwoMachinesPlay) {
16242 SendToProgram("easy\n", &second);
16245 appData.ponderNextMove = newState;
16249 NewSettingEvent (int option, int *feature, char *command, int value)
16253 if (gameMode == EditPosition) EditPositionDone(TRUE);
16254 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16255 if(feature == NULL || *feature) SendToProgram(buf, &first);
16256 if (gameMode == TwoMachinesPlay) {
16257 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16262 ShowThinkingEvent ()
16263 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16265 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16266 int newState = appData.showThinking
16267 // [HGM] thinking: other features now need thinking output as well
16268 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16270 if (oldState == newState) return;
16271 oldState = newState;
16272 if (gameMode == EditPosition) EditPositionDone(TRUE);
16274 SendToProgram("post\n", &first);
16275 if (gameMode == TwoMachinesPlay) {
16276 SendToProgram("post\n", &second);
16279 SendToProgram("nopost\n", &first);
16280 thinkOutput[0] = NULLCHAR;
16281 if (gameMode == TwoMachinesPlay) {
16282 SendToProgram("nopost\n", &second);
16285 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16289 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16291 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16292 if (pr == NoProc) return;
16293 AskQuestion(title, question, replyPrefix, pr);
16297 TypeInEvent (char firstChar)
16299 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16300 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16301 gameMode == AnalyzeMode || gameMode == EditGame ||
16302 gameMode == EditPosition || gameMode == IcsExamining ||
16303 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16304 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16305 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16306 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16307 gameMode == Training) PopUpMoveDialog(firstChar);
16311 TypeInDoneEvent (char *move)
16314 int n, fromX, fromY, toX, toY;
16316 ChessMove moveType;
16319 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16320 EditPositionPasteFEN(move);
16323 // [HGM] movenum: allow move number to be typed in any mode
16324 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16328 // undocumented kludge: allow command-line option to be typed in!
16329 // (potentially fatal, and does not implement the effect of the option.)
16330 // should only be used for options that are values on which future decisions will be made,
16331 // and definitely not on options that would be used during initialization.
16332 if(strstr(move, "!!! -") == move) {
16333 ParseArgsFromString(move+4);
16337 if (gameMode != EditGame && currentMove != forwardMostMove &&
16338 gameMode != Training) {
16339 DisplayMoveError(_("Displayed move is not current"));
16341 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16342 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16343 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16344 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16345 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16346 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16348 DisplayMoveError(_("Could not parse move"));
16354 DisplayMove (int moveNumber)
16356 char message[MSG_SIZ];
16358 char cpThinkOutput[MSG_SIZ];
16360 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16362 if (moveNumber == forwardMostMove - 1 ||
16363 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16365 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16367 if (strchr(cpThinkOutput, '\n')) {
16368 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16371 *cpThinkOutput = NULLCHAR;
16374 /* [AS] Hide thinking from human user */
16375 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16376 *cpThinkOutput = NULLCHAR;
16377 if( thinkOutput[0] != NULLCHAR ) {
16380 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16381 cpThinkOutput[i] = '.';
16383 cpThinkOutput[i] = NULLCHAR;
16384 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16388 if (moveNumber == forwardMostMove - 1 &&
16389 gameInfo.resultDetails != NULL) {
16390 if (gameInfo.resultDetails[0] == NULLCHAR) {
16391 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16393 snprintf(res, MSG_SIZ, " {%s} %s",
16394 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16400 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16401 DisplayMessage(res, cpThinkOutput);
16403 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16404 WhiteOnMove(moveNumber) ? " " : ".. ",
16405 parseList[moveNumber], res);
16406 DisplayMessage(message, cpThinkOutput);
16411 DisplayComment (int moveNumber, char *text)
16413 char title[MSG_SIZ];
16415 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16416 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16418 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16419 WhiteOnMove(moveNumber) ? " " : ".. ",
16420 parseList[moveNumber]);
16422 if (text != NULL && (appData.autoDisplayComment || commentUp))
16423 CommentPopUp(title, text);
16426 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16427 * might be busy thinking or pondering. It can be omitted if your
16428 * gnuchess is configured to stop thinking immediately on any user
16429 * input. However, that gnuchess feature depends on the FIONREAD
16430 * ioctl, which does not work properly on some flavors of Unix.
16433 Attention (ChessProgramState *cps)
16436 if (!cps->useSigint) return;
16437 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16438 switch (gameMode) {
16439 case MachinePlaysWhite:
16440 case MachinePlaysBlack:
16441 case TwoMachinesPlay:
16442 case IcsPlayingWhite:
16443 case IcsPlayingBlack:
16446 /* Skip if we know it isn't thinking */
16447 if (!cps->maybeThinking) return;
16448 if (appData.debugMode)
16449 fprintf(debugFP, "Interrupting %s\n", cps->which);
16450 InterruptChildProcess(cps->pr);
16451 cps->maybeThinking = FALSE;
16456 #endif /*ATTENTION*/
16462 if (whiteTimeRemaining <= 0) {
16465 if (appData.icsActive) {
16466 if (appData.autoCallFlag &&
16467 gameMode == IcsPlayingBlack && !blackFlag) {
16468 SendToICS(ics_prefix);
16469 SendToICS("flag\n");
16473 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16475 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16476 if (appData.autoCallFlag) {
16477 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16484 if (blackTimeRemaining <= 0) {
16487 if (appData.icsActive) {
16488 if (appData.autoCallFlag &&
16489 gameMode == IcsPlayingWhite && !whiteFlag) {
16490 SendToICS(ics_prefix);
16491 SendToICS("flag\n");
16495 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16497 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16498 if (appData.autoCallFlag) {
16499 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16510 CheckTimeControl ()
16512 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16513 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16516 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16518 if ( !WhiteOnMove(forwardMostMove) ) {
16519 /* White made time control */
16520 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16521 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16522 /* [HGM] time odds: correct new time quota for time odds! */
16523 / WhitePlayer()->timeOdds;
16524 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16526 lastBlack -= blackTimeRemaining;
16527 /* Black made time control */
16528 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16529 / WhitePlayer()->other->timeOdds;
16530 lastWhite = whiteTimeRemaining;
16535 DisplayBothClocks ()
16537 int wom = gameMode == EditPosition ?
16538 !blackPlaysFirst : WhiteOnMove(currentMove);
16539 DisplayWhiteClock(whiteTimeRemaining, wom);
16540 DisplayBlackClock(blackTimeRemaining, !wom);
16544 /* Timekeeping seems to be a portability nightmare. I think everyone
16545 has ftime(), but I'm really not sure, so I'm including some ifdefs
16546 to use other calls if you don't. Clocks will be less accurate if
16547 you have neither ftime nor gettimeofday.
16550 /* VS 2008 requires the #include outside of the function */
16551 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16552 #include <sys/timeb.h>
16555 /* Get the current time as a TimeMark */
16557 GetTimeMark (TimeMark *tm)
16559 #if HAVE_GETTIMEOFDAY
16561 struct timeval timeVal;
16562 struct timezone timeZone;
16564 gettimeofday(&timeVal, &timeZone);
16565 tm->sec = (long) timeVal.tv_sec;
16566 tm->ms = (int) (timeVal.tv_usec / 1000L);
16568 #else /*!HAVE_GETTIMEOFDAY*/
16571 // include <sys/timeb.h> / moved to just above start of function
16572 struct timeb timeB;
16575 tm->sec = (long) timeB.time;
16576 tm->ms = (int) timeB.millitm;
16578 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16579 tm->sec = (long) time(NULL);
16585 /* Return the difference in milliseconds between two
16586 time marks. We assume the difference will fit in a long!
16589 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16591 return 1000L*(tm2->sec - tm1->sec) +
16592 (long) (tm2->ms - tm1->ms);
16597 * Code to manage the game clocks.
16599 * In tournament play, black starts the clock and then white makes a move.
16600 * We give the human user a slight advantage if he is playing white---the
16601 * clocks don't run until he makes his first move, so it takes zero time.
16602 * Also, we don't account for network lag, so we could get out of sync
16603 * with GNU Chess's clock -- but then, referees are always right.
16606 static TimeMark tickStartTM;
16607 static long intendedTickLength;
16610 NextTickLength (long timeRemaining)
16612 long nominalTickLength, nextTickLength;
16614 if (timeRemaining > 0L && timeRemaining <= 10000L)
16615 nominalTickLength = 100L;
16617 nominalTickLength = 1000L;
16618 nextTickLength = timeRemaining % nominalTickLength;
16619 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16621 return nextTickLength;
16624 /* Adjust clock one minute up or down */
16626 AdjustClock (Boolean which, int dir)
16628 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16629 if(which) blackTimeRemaining += 60000*dir;
16630 else whiteTimeRemaining += 60000*dir;
16631 DisplayBothClocks();
16632 adjustedClock = TRUE;
16635 /* Stop clocks and reset to a fresh time control */
16639 (void) StopClockTimer();
16640 if (appData.icsActive) {
16641 whiteTimeRemaining = blackTimeRemaining = 0;
16642 } else if (searchTime) {
16643 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16644 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16645 } else { /* [HGM] correct new time quote for time odds */
16646 whiteTC = blackTC = fullTimeControlString;
16647 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16648 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16650 if (whiteFlag || blackFlag) {
16652 whiteFlag = blackFlag = FALSE;
16654 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16655 DisplayBothClocks();
16656 adjustedClock = FALSE;
16659 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16661 /* Decrement running clock by amount of time that has passed */
16665 long timeRemaining;
16666 long lastTickLength, fudge;
16669 if (!appData.clockMode) return;
16670 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16674 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16676 /* Fudge if we woke up a little too soon */
16677 fudge = intendedTickLength - lastTickLength;
16678 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16680 if (WhiteOnMove(forwardMostMove)) {
16681 if(whiteNPS >= 0) lastTickLength = 0;
16682 timeRemaining = whiteTimeRemaining -= lastTickLength;
16683 if(timeRemaining < 0 && !appData.icsActive) {
16684 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16685 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16686 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16687 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16690 DisplayWhiteClock(whiteTimeRemaining - fudge,
16691 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16693 if(blackNPS >= 0) lastTickLength = 0;
16694 timeRemaining = blackTimeRemaining -= lastTickLength;
16695 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16696 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16698 blackStartMove = forwardMostMove;
16699 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16702 DisplayBlackClock(blackTimeRemaining - fudge,
16703 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16705 if (CheckFlags()) return;
16707 if(twoBoards) { // count down secondary board's clocks as well
16708 activePartnerTime -= lastTickLength;
16710 if(activePartner == 'W')
16711 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16713 DisplayBlackClock(activePartnerTime, TRUE);
16718 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16719 StartClockTimer(intendedTickLength);
16721 /* if the time remaining has fallen below the alarm threshold, sound the
16722 * alarm. if the alarm has sounded and (due to a takeback or time control
16723 * with increment) the time remaining has increased to a level above the
16724 * threshold, reset the alarm so it can sound again.
16727 if (appData.icsActive && appData.icsAlarm) {
16729 /* make sure we are dealing with the user's clock */
16730 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16731 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16734 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16735 alarmSounded = FALSE;
16736 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16738 alarmSounded = TRUE;
16744 /* A player has just moved, so stop the previously running
16745 clock and (if in clock mode) start the other one.
16746 We redisplay both clocks in case we're in ICS mode, because
16747 ICS gives us an update to both clocks after every move.
16748 Note that this routine is called *after* forwardMostMove
16749 is updated, so the last fractional tick must be subtracted
16750 from the color that is *not* on move now.
16753 SwitchClocks (int newMoveNr)
16755 long lastTickLength;
16757 int flagged = FALSE;
16761 if (StopClockTimer() && appData.clockMode) {
16762 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16763 if (!WhiteOnMove(forwardMostMove)) {
16764 if(blackNPS >= 0) lastTickLength = 0;
16765 blackTimeRemaining -= lastTickLength;
16766 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16767 // if(pvInfoList[forwardMostMove].time == -1)
16768 pvInfoList[forwardMostMove].time = // use GUI time
16769 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16771 if(whiteNPS >= 0) lastTickLength = 0;
16772 whiteTimeRemaining -= lastTickLength;
16773 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16774 // if(pvInfoList[forwardMostMove].time == -1)
16775 pvInfoList[forwardMostMove].time =
16776 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16778 flagged = CheckFlags();
16780 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16781 CheckTimeControl();
16783 if (flagged || !appData.clockMode) return;
16785 switch (gameMode) {
16786 case MachinePlaysBlack:
16787 case MachinePlaysWhite:
16788 case BeginningOfGame:
16789 if (pausing) return;
16793 case PlayFromGameFile:
16801 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16802 if(WhiteOnMove(forwardMostMove))
16803 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16804 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16808 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16809 whiteTimeRemaining : blackTimeRemaining);
16810 StartClockTimer(intendedTickLength);
16814 /* Stop both clocks */
16818 long lastTickLength;
16821 if (!StopClockTimer()) return;
16822 if (!appData.clockMode) return;
16826 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16827 if (WhiteOnMove(forwardMostMove)) {
16828 if(whiteNPS >= 0) lastTickLength = 0;
16829 whiteTimeRemaining -= lastTickLength;
16830 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16832 if(blackNPS >= 0) lastTickLength = 0;
16833 blackTimeRemaining -= lastTickLength;
16834 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16839 /* Start clock of player on move. Time may have been reset, so
16840 if clock is already running, stop and restart it. */
16844 (void) StopClockTimer(); /* in case it was running already */
16845 DisplayBothClocks();
16846 if (CheckFlags()) return;
16848 if (!appData.clockMode) return;
16849 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16851 GetTimeMark(&tickStartTM);
16852 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16853 whiteTimeRemaining : blackTimeRemaining);
16855 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16856 whiteNPS = blackNPS = -1;
16857 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16858 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16859 whiteNPS = first.nps;
16860 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16861 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16862 blackNPS = first.nps;
16863 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16864 whiteNPS = second.nps;
16865 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16866 blackNPS = second.nps;
16867 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16869 StartClockTimer(intendedTickLength);
16873 TimeString (long ms)
16875 long second, minute, hour, day;
16877 static char buf[32];
16879 if (ms > 0 && ms <= 9900) {
16880 /* convert milliseconds to tenths, rounding up */
16881 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16883 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16887 /* convert milliseconds to seconds, rounding up */
16888 /* use floating point to avoid strangeness of integer division
16889 with negative dividends on many machines */
16890 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16897 day = second / (60 * 60 * 24);
16898 second = second % (60 * 60 * 24);
16899 hour = second / (60 * 60);
16900 second = second % (60 * 60);
16901 minute = second / 60;
16902 second = second % 60;
16905 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16906 sign, day, hour, minute, second);
16908 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16910 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16917 * This is necessary because some C libraries aren't ANSI C compliant yet.
16920 StrStr (char *string, char *match)
16924 length = strlen(match);
16926 for (i = strlen(string) - length; i >= 0; i--, string++)
16927 if (!strncmp(match, string, length))
16934 StrCaseStr (char *string, char *match)
16938 length = strlen(match);
16940 for (i = strlen(string) - length; i >= 0; i--, string++) {
16941 for (j = 0; j < length; j++) {
16942 if (ToLower(match[j]) != ToLower(string[j]))
16945 if (j == length) return string;
16953 StrCaseCmp (char *s1, char *s2)
16958 c1 = ToLower(*s1++);
16959 c2 = ToLower(*s2++);
16960 if (c1 > c2) return 1;
16961 if (c1 < c2) return -1;
16962 if (c1 == NULLCHAR) return 0;
16970 return isupper(c) ? tolower(c) : c;
16977 return islower(c) ? toupper(c) : c;
16979 #endif /* !_amigados */
16986 if ((ret = (char *) malloc(strlen(s) + 1)))
16988 safeStrCpy(ret, s, strlen(s)+1);
16994 StrSavePtr (char *s, char **savePtr)
16999 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17000 safeStrCpy(*savePtr, s, strlen(s)+1);
17012 clock = time((time_t *)NULL);
17013 tm = localtime(&clock);
17014 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17015 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17016 return StrSave(buf);
17021 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17023 int i, j, fromX, fromY, toX, toY;
17030 whiteToPlay = (gameMode == EditPosition) ?
17031 !blackPlaysFirst : (move % 2 == 0);
17034 /* Piece placement data */
17035 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17036 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17038 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17039 if (boards[move][i][j] == EmptySquare) {
17041 } else { ChessSquare piece = boards[move][i][j];
17042 if (emptycount > 0) {
17043 if(emptycount<10) /* [HGM] can be >= 10 */
17044 *p++ = '0' + emptycount;
17045 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17048 if(PieceToChar(piece) == '+') {
17049 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17051 piece = (ChessSquare)(DEMOTED piece);
17053 *p++ = PieceToChar(piece);
17055 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17056 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17061 if (emptycount > 0) {
17062 if(emptycount<10) /* [HGM] can be >= 10 */
17063 *p++ = '0' + emptycount;
17064 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17071 /* [HGM] print Crazyhouse or Shogi holdings */
17072 if( gameInfo.holdingsWidth ) {
17073 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17075 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17076 piece = boards[move][i][BOARD_WIDTH-1];
17077 if( piece != EmptySquare )
17078 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17079 *p++ = PieceToChar(piece);
17081 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17082 piece = boards[move][BOARD_HEIGHT-i-1][0];
17083 if( piece != EmptySquare )
17084 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17085 *p++ = PieceToChar(piece);
17088 if( q == p ) *p++ = '-';
17094 *p++ = whiteToPlay ? 'w' : 'b';
17097 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17098 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17100 if(nrCastlingRights) {
17102 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17103 /* [HGM] write directly from rights */
17104 if(boards[move][CASTLING][2] != NoRights &&
17105 boards[move][CASTLING][0] != NoRights )
17106 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17107 if(boards[move][CASTLING][2] != NoRights &&
17108 boards[move][CASTLING][1] != NoRights )
17109 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17110 if(boards[move][CASTLING][5] != NoRights &&
17111 boards[move][CASTLING][3] != NoRights )
17112 *p++ = boards[move][CASTLING][3] + AAA;
17113 if(boards[move][CASTLING][5] != NoRights &&
17114 boards[move][CASTLING][4] != NoRights )
17115 *p++ = boards[move][CASTLING][4] + AAA;
17118 /* [HGM] write true castling rights */
17119 if( nrCastlingRights == 6 ) {
17121 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17122 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17123 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17124 boards[move][CASTLING][2] != NoRights );
17125 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17126 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17127 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17128 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17129 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17133 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17134 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17135 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17136 boards[move][CASTLING][5] != NoRights );
17137 if(gameInfo.variant == VariantSChess) {
17138 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17139 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17140 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17141 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17146 if (q == p) *p++ = '-'; /* No castling rights */
17150 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17151 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17152 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17153 /* En passant target square */
17154 if (move > backwardMostMove) {
17155 fromX = moveList[move - 1][0] - AAA;
17156 fromY = moveList[move - 1][1] - ONE;
17157 toX = moveList[move - 1][2] - AAA;
17158 toY = moveList[move - 1][3] - ONE;
17159 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17160 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17161 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17163 /* 2-square pawn move just happened */
17165 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17169 } else if(move == backwardMostMove) {
17170 // [HGM] perhaps we should always do it like this, and forget the above?
17171 if((signed char)boards[move][EP_STATUS] >= 0) {
17172 *p++ = boards[move][EP_STATUS] + AAA;
17173 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17185 { int i = 0, j=move;
17187 /* [HGM] find reversible plies */
17188 if (appData.debugMode) { int k;
17189 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17190 for(k=backwardMostMove; k<=forwardMostMove; k++)
17191 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17195 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17196 if( j == backwardMostMove ) i += initialRulePlies;
17197 sprintf(p, "%d ", i);
17198 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17200 /* Fullmove number */
17201 sprintf(p, "%d", (move / 2) + 1);
17202 } else *--p = NULLCHAR;
17204 return StrSave(buf);
17208 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17212 int emptycount, virgin[BOARD_FILES];
17217 /* [HGM] by default clear Crazyhouse holdings, if present */
17218 if(gameInfo.holdingsWidth) {
17219 for(i=0; i<BOARD_HEIGHT; i++) {
17220 board[i][0] = EmptySquare; /* black holdings */
17221 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17222 board[i][1] = (ChessSquare) 0; /* black counts */
17223 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17227 /* Piece placement data */
17228 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17231 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17232 if (*p == '/') p++;
17233 emptycount = gameInfo.boardWidth - j;
17234 while (emptycount--)
17235 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17237 #if(BOARD_FILES >= 10)
17238 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17239 p++; emptycount=10;
17240 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17241 while (emptycount--)
17242 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17244 } else if (isdigit(*p)) {
17245 emptycount = *p++ - '0';
17246 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17247 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17248 while (emptycount--)
17249 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17250 } else if (*p == '+' || isalpha(*p)) {
17251 if (j >= gameInfo.boardWidth) return FALSE;
17253 piece = CharToPiece(*++p);
17254 if(piece == EmptySquare) return FALSE; /* unknown piece */
17255 piece = (ChessSquare) (PROMOTED piece ); p++;
17256 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17257 } else piece = CharToPiece(*p++);
17259 if(piece==EmptySquare) return FALSE; /* unknown piece */
17260 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17261 piece = (ChessSquare) (PROMOTED piece);
17262 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17265 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17271 while (*p == '/' || *p == ' ') p++;
17273 /* [HGM] look for Crazyhouse holdings here */
17274 while(*p==' ') p++;
17275 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17277 if(*p == '-' ) p++; /* empty holdings */ else {
17278 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17279 /* if we would allow FEN reading to set board size, we would */
17280 /* have to add holdings and shift the board read so far here */
17281 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17283 if((int) piece >= (int) BlackPawn ) {
17284 i = (int)piece - (int)BlackPawn;
17285 i = PieceToNumber((ChessSquare)i);
17286 if( i >= gameInfo.holdingsSize ) return FALSE;
17287 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17288 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17290 i = (int)piece - (int)WhitePawn;
17291 i = PieceToNumber((ChessSquare)i);
17292 if( i >= gameInfo.holdingsSize ) return FALSE;
17293 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17294 board[i][BOARD_WIDTH-2]++; /* black holdings */
17301 while(*p == ' ') p++;
17305 if(appData.colorNickNames) {
17306 if( c == appData.colorNickNames[0] ) c = 'w'; else
17307 if( c == appData.colorNickNames[1] ) c = 'b';
17311 *blackPlaysFirst = FALSE;
17314 *blackPlaysFirst = TRUE;
17320 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17321 /* return the extra info in global variiables */
17323 /* set defaults in case FEN is incomplete */
17324 board[EP_STATUS] = EP_UNKNOWN;
17325 for(i=0; i<nrCastlingRights; i++ ) {
17326 board[CASTLING][i] =
17327 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17328 } /* assume possible unless obviously impossible */
17329 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17330 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17331 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17332 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17333 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17334 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17335 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17336 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17339 while(*p==' ') p++;
17340 if(nrCastlingRights) {
17341 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17342 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17343 /* castling indicator present, so default becomes no castlings */
17344 for(i=0; i<nrCastlingRights; i++ ) {
17345 board[CASTLING][i] = NoRights;
17348 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17349 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17350 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17351 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17352 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17354 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17355 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17356 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17358 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17359 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17360 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17361 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17362 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17363 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17366 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17367 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17368 board[CASTLING][2] = whiteKingFile;
17369 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17370 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17373 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17374 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17375 board[CASTLING][2] = whiteKingFile;
17376 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17377 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17380 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17381 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17382 board[CASTLING][5] = blackKingFile;
17383 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17384 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17387 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17388 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17389 board[CASTLING][5] = blackKingFile;
17390 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17391 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17394 default: /* FRC castlings */
17395 if(c >= 'a') { /* black rights */
17396 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17397 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17398 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17399 if(i == BOARD_RGHT) break;
17400 board[CASTLING][5] = i;
17402 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17403 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17405 board[CASTLING][3] = c;
17407 board[CASTLING][4] = c;
17408 } else { /* white rights */
17409 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17410 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17411 if(board[0][i] == WhiteKing) break;
17412 if(i == BOARD_RGHT) break;
17413 board[CASTLING][2] = i;
17414 c -= AAA - 'a' + 'A';
17415 if(board[0][c] >= WhiteKing) break;
17417 board[CASTLING][0] = c;
17419 board[CASTLING][1] = c;
17423 for(i=0; i<nrCastlingRights; i++)
17424 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17425 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17426 if (appData.debugMode) {
17427 fprintf(debugFP, "FEN castling rights:");
17428 for(i=0; i<nrCastlingRights; i++)
17429 fprintf(debugFP, " %d", board[CASTLING][i]);
17430 fprintf(debugFP, "\n");
17433 while(*p==' ') p++;
17436 /* read e.p. field in games that know e.p. capture */
17437 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17438 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17439 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17441 p++; board[EP_STATUS] = EP_NONE;
17443 char c = *p++ - AAA;
17445 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17446 if(*p >= '0' && *p <='9') p++;
17447 board[EP_STATUS] = c;
17452 if(sscanf(p, "%d", &i) == 1) {
17453 FENrulePlies = i; /* 50-move ply counter */
17454 /* (The move number is still ignored) */
17461 EditPositionPasteFEN (char *fen)
17464 Board initial_position;
17466 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17467 DisplayError(_("Bad FEN position in clipboard"), 0);
17470 int savedBlackPlaysFirst = blackPlaysFirst;
17471 EditPositionEvent();
17472 blackPlaysFirst = savedBlackPlaysFirst;
17473 CopyBoard(boards[0], initial_position);
17474 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17475 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17476 DisplayBothClocks();
17477 DrawPosition(FALSE, boards[currentMove]);
17482 static char cseq[12] = "\\ ";
17485 set_cont_sequence (char *new_seq)
17490 // handle bad attempts to set the sequence
17492 return 0; // acceptable error - no debug
17494 len = strlen(new_seq);
17495 ret = (len > 0) && (len < sizeof(cseq));
17497 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17498 else if (appData.debugMode)
17499 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17504 reformat a source message so words don't cross the width boundary. internal
17505 newlines are not removed. returns the wrapped size (no null character unless
17506 included in source message). If dest is NULL, only calculate the size required
17507 for the dest buffer. lp argument indicats line position upon entry, and it's
17508 passed back upon exit.
17511 wrap (char *dest, char *src, int count, int width, int *lp)
17513 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17515 cseq_len = strlen(cseq);
17516 old_line = line = *lp;
17517 ansi = len = clen = 0;
17519 for (i=0; i < count; i++)
17521 if (src[i] == '\033')
17524 // if we hit the width, back up
17525 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17527 // store i & len in case the word is too long
17528 old_i = i, old_len = len;
17530 // find the end of the last word
17531 while (i && src[i] != ' ' && src[i] != '\n')
17537 // word too long? restore i & len before splitting it
17538 if ((old_i-i+clen) >= width)
17545 if (i && src[i-1] == ' ')
17548 if (src[i] != ' ' && src[i] != '\n')
17555 // now append the newline and continuation sequence
17560 strncpy(dest+len, cseq, cseq_len);
17568 dest[len] = src[i];
17572 if (src[i] == '\n')
17577 if (dest && appData.debugMode)
17579 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17580 count, width, line, len, *lp);
17581 show_bytes(debugFP, src, count);
17582 fprintf(debugFP, "\ndest: ");
17583 show_bytes(debugFP, dest, len);
17584 fprintf(debugFP, "\n");
17586 *lp = dest ? line : old_line;
17591 // [HGM] vari: routines for shelving variations
17592 Boolean modeRestore = FALSE;
17595 PushInner (int firstMove, int lastMove)
17597 int i, j, nrMoves = lastMove - firstMove;
17599 // push current tail of game on stack
17600 savedResult[storedGames] = gameInfo.result;
17601 savedDetails[storedGames] = gameInfo.resultDetails;
17602 gameInfo.resultDetails = NULL;
17603 savedFirst[storedGames] = firstMove;
17604 savedLast [storedGames] = lastMove;
17605 savedFramePtr[storedGames] = framePtr;
17606 framePtr -= nrMoves; // reserve space for the boards
17607 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17608 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17609 for(j=0; j<MOVE_LEN; j++)
17610 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17611 for(j=0; j<2*MOVE_LEN; j++)
17612 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17613 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17614 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17615 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17616 pvInfoList[firstMove+i-1].depth = 0;
17617 commentList[framePtr+i] = commentList[firstMove+i];
17618 commentList[firstMove+i] = NULL;
17622 forwardMostMove = firstMove; // truncate game so we can start variation
17626 PushTail (int firstMove, int lastMove)
17628 if(appData.icsActive) { // only in local mode
17629 forwardMostMove = currentMove; // mimic old ICS behavior
17632 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17634 PushInner(firstMove, lastMove);
17635 if(storedGames == 1) GreyRevert(FALSE);
17636 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17640 PopInner (Boolean annotate)
17643 char buf[8000], moveBuf[20];
17645 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17646 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17647 nrMoves = savedLast[storedGames] - currentMove;
17650 if(!WhiteOnMove(currentMove))
17651 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17652 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17653 for(i=currentMove; i<forwardMostMove; i++) {
17655 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17656 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17657 strcat(buf, moveBuf);
17658 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17659 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17663 for(i=1; i<=nrMoves; i++) { // copy last variation back
17664 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17665 for(j=0; j<MOVE_LEN; j++)
17666 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17667 for(j=0; j<2*MOVE_LEN; j++)
17668 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17669 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17670 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17671 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17672 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17673 commentList[currentMove+i] = commentList[framePtr+i];
17674 commentList[framePtr+i] = NULL;
17676 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17677 framePtr = savedFramePtr[storedGames];
17678 gameInfo.result = savedResult[storedGames];
17679 if(gameInfo.resultDetails != NULL) {
17680 free(gameInfo.resultDetails);
17682 gameInfo.resultDetails = savedDetails[storedGames];
17683 forwardMostMove = currentMove + nrMoves;
17687 PopTail (Boolean annotate)
17689 if(appData.icsActive) return FALSE; // only in local mode
17690 if(!storedGames) return FALSE; // sanity
17691 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17693 PopInner(annotate);
17694 if(currentMove < forwardMostMove) ForwardEvent(); else
17695 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17697 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17703 { // remove all shelved variations
17705 for(i=0; i<storedGames; i++) {
17706 if(savedDetails[i])
17707 free(savedDetails[i]);
17708 savedDetails[i] = NULL;
17710 for(i=framePtr; i<MAX_MOVES; i++) {
17711 if(commentList[i]) free(commentList[i]);
17712 commentList[i] = NULL;
17714 framePtr = MAX_MOVES-1;
17719 LoadVariation (int index, char *text)
17720 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17721 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17722 int level = 0, move;
17724 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17725 // first find outermost bracketing variation
17726 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17727 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17728 if(*p == '{') wait = '}'; else
17729 if(*p == '[') wait = ']'; else
17730 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17731 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17733 if(*p == wait) wait = NULLCHAR; // closing ]} found
17736 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17737 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17738 end[1] = NULLCHAR; // clip off comment beyond variation
17739 ToNrEvent(currentMove-1);
17740 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17741 // kludge: use ParsePV() to append variation to game
17742 move = currentMove;
17743 ParsePV(start, TRUE, TRUE);
17744 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17745 ClearPremoveHighlights();
17747 ToNrEvent(currentMove+1);
17753 char *p, *q, buf[MSG_SIZ];
17754 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17755 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17756 ParseArgsFromString(buf);
17757 ActivateTheme(TRUE); // also redo colors
17761 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17764 q = appData.themeNames;
17765 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17766 if(appData.useBitmaps) {
17767 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17768 appData.liteBackTextureFile, appData.darkBackTextureFile,
17769 appData.liteBackTextureMode,
17770 appData.darkBackTextureMode );
17772 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17773 Col2Text(2), // lightSquareColor
17774 Col2Text(3) ); // darkSquareColor
17776 if(appData.useBorder) {
17777 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17780 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17782 if(appData.useFont) {
17783 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17784 appData.renderPiecesWithFont,
17785 appData.fontToPieceTable,
17786 Col2Text(9), // appData.fontBackColorWhite
17787 Col2Text(10) ); // appData.fontForeColorBlack
17789 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17790 appData.pieceDirectory);
17791 if(!appData.pieceDirectory[0])
17792 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17793 Col2Text(0), // whitePieceColor
17794 Col2Text(1) ); // blackPieceColor
17796 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17797 Col2Text(4), // highlightSquareColor
17798 Col2Text(5) ); // premoveHighlightColor
17799 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17800 if(insert != q) insert[-1] = NULLCHAR;
17801 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17804 ActivateTheme(FALSE);