2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 /* A point in time */
152 long sec; /* Assuming this is >= 32 bits */
153 int ms; /* Assuming this is >= 16 bits */
156 int establish P((void));
157 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
158 char *buf, int count, int error));
159 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
160 char *buf, int count, int error));
161 void ics_printf P((char *format, ...));
162 void SendToICS P((char *s));
163 void SendToICSDelayed P((char *s, long msdelay));
164 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
165 void HandleMachineMove P((char *message, ChessProgramState *cps));
166 int AutoPlayOneMove P((void));
167 int LoadGameOneMove P((ChessMove readAhead));
168 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
169 int LoadPositionFromFile P((char *filename, int n, char *title));
170 int SavePositionToFile P((char *filename));
171 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
172 void ShowMove P((int fromX, int fromY, int toX, int toY));
173 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
174 /*char*/int promoChar));
175 void BackwardInner P((int target));
176 void ForwardInner P((int target));
177 int Adjudicate P((ChessProgramState *cps));
178 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
179 void EditPositionDone P((Boolean fakeRights));
180 void PrintOpponents P((FILE *fp));
181 void PrintPosition P((FILE *fp, int move));
182 void StartChessProgram P((ChessProgramState *cps));
183 void SendToProgram P((char *message, ChessProgramState *cps));
184 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
185 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
186 char *buf, int count, int error));
187 void SendTimeControl P((ChessProgramState *cps,
188 int mps, long tc, int inc, int sd, int st));
189 char *TimeControlTagValue P((void));
190 void Attention P((ChessProgramState *cps));
191 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
192 int ResurrectChessProgram P((void));
193 void DisplayComment P((int moveNumber, char *text));
194 void DisplayMove P((int moveNumber));
196 void ParseGameHistory P((char *game));
197 void ParseBoard12 P((char *string));
198 void KeepAlive P((void));
199 void StartClocks P((void));
200 void SwitchClocks P((int nr));
201 void StopClocks P((void));
202 void ResetClocks P((void));
203 char *PGNDate P((void));
204 void SetGameInfo P((void));
205 int RegisterMove P((void));
206 void MakeRegisteredMove P((void));
207 void TruncateGame P((void));
208 int looking_at P((char *, int *, char *));
209 void CopyPlayerNameIntoFileName P((char **, char *));
210 char *SavePart P((char *));
211 int SaveGameOldStyle P((FILE *));
212 int SaveGamePGN P((FILE *));
213 void GetTimeMark P((TimeMark *));
214 long SubtractTimeMarks P((TimeMark *, TimeMark *));
215 int CheckFlags P((void));
216 long NextTickLength P((long));
217 void CheckTimeControl P((void));
218 void show_bytes P((FILE *, char *, int));
219 int string_to_rating P((char *str));
220 void ParseFeatures P((char* args, ChessProgramState *cps));
221 void InitBackEnd3 P((void));
222 void FeatureDone P((ChessProgramState* cps, int val));
223 void InitChessProgram P((ChessProgramState *cps, int setup));
224 void OutputKibitz(int window, char *text);
225 int PerpetualChase(int first, int last);
226 int EngineOutputIsUp();
227 void InitDrawingSizes(int x, int y);
228 void NextMatchGame P((void));
229 int NextTourneyGame P((int nr, int *swap));
230 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
231 FILE *WriteTourneyFile P((char *results, FILE *f));
232 void DisplayTwoMachinesTitle P(());
235 extern void ConsoleCreate();
238 ChessProgramState *WhitePlayer();
239 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
240 int VerifyDisplayMode P(());
242 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
243 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
244 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
245 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
246 void ics_update_width P((int new_width));
247 extern char installDir[MSG_SIZ];
248 VariantClass startVariant; /* [HGM] nicks: initial variant */
251 extern int tinyLayout, smallLayout;
252 ChessProgramStats programStats;
253 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
255 static int exiting = 0; /* [HGM] moved to top */
256 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
257 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
258 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
259 int partnerHighlight[2];
260 Boolean partnerBoardValid = 0;
261 char partnerStatus[MSG_SIZ];
263 Boolean originalFlip;
264 Boolean twoBoards = 0;
265 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
266 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
267 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
268 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
269 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
270 int opponentKibitzes;
271 int lastSavedGame; /* [HGM] save: ID of game */
272 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
273 extern int chatCount;
275 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
276 char lastMsg[MSG_SIZ];
277 ChessSquare pieceSweep = EmptySquare;
278 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
279 int promoDefaultAltered;
281 /* States for ics_getting_history */
283 #define H_REQUESTED 1
284 #define H_GOT_REQ_HEADER 2
285 #define H_GOT_UNREQ_HEADER 3
286 #define H_GETTING_MOVES 4
287 #define H_GOT_UNWANTED_HEADER 5
289 /* whosays values for GameEnds */
298 /* Maximum number of games in a cmail message */
299 #define CMAIL_MAX_GAMES 20
301 /* Different types of move when calling RegisterMove */
303 #define CMAIL_RESIGN 1
305 #define CMAIL_ACCEPT 3
307 /* Different types of result to remember for each game */
308 #define CMAIL_NOT_RESULT 0
309 #define CMAIL_OLD_RESULT 1
310 #define CMAIL_NEW_RESULT 2
312 /* Telnet protocol constants */
323 safeStrCpy( char *dst, const char *src, size_t count )
326 assert( dst != NULL );
327 assert( src != NULL );
330 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
331 if( i == count && dst[count-1] != NULLCHAR)
333 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
334 if(appData.debugMode)
335 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
341 /* Some compiler can't cast u64 to double
342 * This function do the job for us:
344 * We use the highest bit for cast, this only
345 * works if the highest bit is not
346 * in use (This should not happen)
348 * We used this for all compiler
351 u64ToDouble(u64 value)
354 u64 tmp = value & u64Const(0x7fffffffffffffff);
355 r = (double)(s64)tmp;
356 if (value & u64Const(0x8000000000000000))
357 r += 9.2233720368547758080e18; /* 2^63 */
361 /* Fake up flags for now, as we aren't keeping track of castling
362 availability yet. [HGM] Change of logic: the flag now only
363 indicates the type of castlings allowed by the rule of the game.
364 The actual rights themselves are maintained in the array
365 castlingRights, as part of the game history, and are not probed
371 int flags = F_ALL_CASTLE_OK;
372 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
373 switch (gameInfo.variant) {
375 flags &= ~F_ALL_CASTLE_OK;
376 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
377 flags |= F_IGNORE_CHECK;
379 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
382 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
384 case VariantKriegspiel:
385 flags |= F_KRIEGSPIEL_CAPTURE;
387 case VariantCapaRandom:
388 case VariantFischeRandom:
389 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
390 case VariantNoCastle:
391 case VariantShatranj:
395 flags &= ~F_ALL_CASTLE_OK;
403 FILE *gameFileFP, *debugFP;
406 [AS] Note: sometimes, the sscanf() function is used to parse the input
407 into a fixed-size buffer. Because of this, we must be prepared to
408 receive strings as long as the size of the input buffer, which is currently
409 set to 4K for Windows and 8K for the rest.
410 So, we must either allocate sufficiently large buffers here, or
411 reduce the size of the input buffer in the input reading part.
414 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
415 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
416 char thinkOutput1[MSG_SIZ*10];
418 ChessProgramState first, second, pairing;
420 /* premove variables */
423 int premoveFromX = 0;
424 int premoveFromY = 0;
425 int premovePromoChar = 0;
427 Boolean alarmSounded;
428 /* end premove variables */
430 char *ics_prefix = "$";
431 int ics_type = ICS_GENERIC;
433 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
434 int pauseExamForwardMostMove = 0;
435 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
436 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
437 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
438 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
439 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
440 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
441 int whiteFlag = FALSE, blackFlag = FALSE;
442 int userOfferedDraw = FALSE;
443 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
444 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
445 int cmailMoveType[CMAIL_MAX_GAMES];
446 long ics_clock_paused = 0;
447 ProcRef icsPR = NoProc, cmailPR = NoProc;
448 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
449 GameMode gameMode = BeginningOfGame;
450 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
451 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
452 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
453 int hiddenThinkOutputState = 0; /* [AS] */
454 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
455 int adjudicateLossPlies = 6;
456 char white_holding[64], black_holding[64];
457 TimeMark lastNodeCountTime;
458 long lastNodeCount=0;
459 int shiftKey; // [HGM] set by mouse handler
461 int have_sent_ICS_logon = 0;
463 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
464 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
465 Boolean adjustedClock;
466 long timeControl_2; /* [AS] Allow separate time controls */
467 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
468 long timeRemaining[2][MAX_MOVES];
469 int matchGame = 0, nextGame = 0, roundNr = 0;
470 Boolean waitingForGame = FALSE;
471 TimeMark programStartTime, pauseStart;
472 char ics_handle[MSG_SIZ];
473 int have_set_title = 0;
475 /* animateTraining preserves the state of appData.animate
476 * when Training mode is activated. This allows the
477 * response to be animated when appData.animate == TRUE and
478 * appData.animateDragging == TRUE.
480 Boolean animateTraining;
486 Board boards[MAX_MOVES];
487 /* [HGM] Following 7 needed for accurate legality tests: */
488 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
489 signed char initialRights[BOARD_FILES];
490 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
491 int initialRulePlies, FENrulePlies;
492 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
494 Boolean shuffleOpenings;
495 int mute; // mute all sounds
497 // [HGM] vari: next 12 to save and restore variations
498 #define MAX_VARIATIONS 10
499 int framePtr = MAX_MOVES-1; // points to free stack entry
501 int savedFirst[MAX_VARIATIONS];
502 int savedLast[MAX_VARIATIONS];
503 int savedFramePtr[MAX_VARIATIONS];
504 char *savedDetails[MAX_VARIATIONS];
505 ChessMove savedResult[MAX_VARIATIONS];
507 void PushTail P((int firstMove, int lastMove));
508 Boolean PopTail P((Boolean annotate));
509 void PushInner P((int firstMove, int lastMove));
510 void PopInner P((Boolean annotate));
511 void CleanupTail P((void));
513 ChessSquare FIDEArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackBishop, BlackKnight, BlackRook }
520 ChessSquare twoKingsArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
522 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
523 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
524 BlackKing, BlackKing, BlackKnight, BlackRook }
527 ChessSquare KnightmateArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
529 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
530 { BlackRook, BlackMan, BlackBishop, BlackQueen,
531 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
534 ChessSquare SpartanArray[2][BOARD_FILES] = {
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
538 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
541 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
542 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
543 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
544 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
545 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
548 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
550 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
552 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
555 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
556 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
557 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
558 { BlackRook, BlackKnight, BlackMan, BlackFerz,
559 BlackKing, BlackMan, BlackKnight, BlackRook }
563 #if (BOARD_FILES>=10)
564 ChessSquare ShogiArray[2][BOARD_FILES] = {
565 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
566 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
567 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
568 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
571 ChessSquare XiangqiArray[2][BOARD_FILES] = {
572 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
573 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
574 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
575 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
578 ChessSquare CapablancaArray[2][BOARD_FILES] = {
579 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
580 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
582 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
585 ChessSquare GreatArray[2][BOARD_FILES] = {
586 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
587 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
588 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
589 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
592 ChessSquare JanusArray[2][BOARD_FILES] = {
593 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
594 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
595 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
596 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
599 ChessSquare GrandArray[2][BOARD_FILES] = {
600 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
601 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
602 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
603 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
607 ChessSquare GothicArray[2][BOARD_FILES] = {
608 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
609 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
610 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
611 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
614 #define GothicArray CapablancaArray
618 ChessSquare FalconArray[2][BOARD_FILES] = {
619 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
620 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
621 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
622 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
625 #define FalconArray CapablancaArray
628 #else // !(BOARD_FILES>=10)
629 #define XiangqiPosition FIDEArray
630 #define CapablancaArray FIDEArray
631 #define GothicArray FIDEArray
632 #define GreatArray FIDEArray
633 #endif // !(BOARD_FILES>=10)
635 #if (BOARD_FILES>=12)
636 ChessSquare CourierArray[2][BOARD_FILES] = {
637 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
638 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
639 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
640 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
642 #else // !(BOARD_FILES>=12)
643 #define CourierArray CapablancaArray
644 #endif // !(BOARD_FILES>=12)
647 Board initialPosition;
650 /* Convert str to a rating. Checks for special cases of "----",
652 "++++", etc. Also strips ()'s */
654 string_to_rating(str)
657 while(*str && !isdigit(*str)) ++str;
659 return 0; /* One of the special "no rating" cases */
667 /* Init programStats */
668 programStats.movelist[0] = 0;
669 programStats.depth = 0;
670 programStats.nr_moves = 0;
671 programStats.moves_left = 0;
672 programStats.nodes = 0;
673 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
674 programStats.score = 0;
675 programStats.got_only_move = 0;
676 programStats.got_fail = 0;
677 programStats.line_is_book = 0;
682 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
683 if (appData.firstPlaysBlack) {
684 first.twoMachinesColor = "black\n";
685 second.twoMachinesColor = "white\n";
687 first.twoMachinesColor = "white\n";
688 second.twoMachinesColor = "black\n";
691 first.other = &second;
692 second.other = &first;
695 if(appData.timeOddsMode) {
696 norm = appData.timeOdds[0];
697 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
699 first.timeOdds = appData.timeOdds[0]/norm;
700 second.timeOdds = appData.timeOdds[1]/norm;
703 if(programVersion) free(programVersion);
704 if (appData.noChessProgram) {
705 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
706 sprintf(programVersion, "%s", PACKAGE_STRING);
708 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
709 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
710 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
715 UnloadEngine(ChessProgramState *cps)
717 /* Kill off first chess program */
718 if (cps->isr != NULL)
719 RemoveInputSource(cps->isr);
722 if (cps->pr != NoProc) {
724 DoSleep( appData.delayBeforeQuit );
725 SendToProgram("quit\n", cps);
726 DoSleep( appData.delayAfterQuit );
727 DestroyChildProcess(cps->pr, cps->useSigterm);
730 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
734 ClearOptions(ChessProgramState *cps)
737 cps->nrOptions = cps->comboCnt = 0;
738 for(i=0; i<MAX_OPTIONS; i++) {
739 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
740 cps->option[i].textValue = 0;
744 char *engineNames[] = {
750 InitEngine(ChessProgramState *cps, int n)
751 { // [HGM] all engine initialiation put in a function that does one engine
755 cps->which = engineNames[n];
756 cps->maybeThinking = FALSE;
760 cps->sendDrawOffers = 1;
762 cps->program = appData.chessProgram[n];
763 cps->host = appData.host[n];
764 cps->dir = appData.directory[n];
765 cps->initString = appData.engInitString[n];
766 cps->computerString = appData.computerString[n];
767 cps->useSigint = TRUE;
768 cps->useSigterm = TRUE;
769 cps->reuse = appData.reuse[n];
770 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
771 cps->useSetboard = FALSE;
773 cps->usePing = FALSE;
776 cps->usePlayother = FALSE;
777 cps->useColors = TRUE;
778 cps->useUsermove = FALSE;
779 cps->sendICS = FALSE;
780 cps->sendName = appData.icsActive;
781 cps->sdKludge = FALSE;
782 cps->stKludge = FALSE;
783 TidyProgramName(cps->program, cps->host, cps->tidy);
785 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
786 cps->analysisSupport = 2; /* detect */
787 cps->analyzing = FALSE;
788 cps->initDone = FALSE;
790 /* New features added by Tord: */
791 cps->useFEN960 = FALSE;
792 cps->useOOCastle = TRUE;
793 /* End of new features added by Tord. */
794 cps->fenOverride = appData.fenOverride[n];
796 /* [HGM] time odds: set factor for each machine */
797 cps->timeOdds = appData.timeOdds[n];
799 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
800 cps->accumulateTC = appData.accumulateTC[n];
801 cps->maxNrOfSessions = 1;
806 cps->supportsNPS = UNKNOWN;
807 cps->memSize = FALSE;
808 cps->maxCores = FALSE;
809 cps->egtFormats[0] = NULLCHAR;
812 cps->optionSettings = appData.engOptions[n];
814 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
815 cps->isUCI = appData.isUCI[n]; /* [AS] */
816 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
818 if (appData.protocolVersion[n] > PROTOVER
819 || appData.protocolVersion[n] < 1)
824 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
825 appData.protocolVersion[n]);
826 if( (len > MSG_SIZ) && appData.debugMode )
827 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
829 DisplayFatalError(buf, 0, 2);
833 cps->protocolVersion = appData.protocolVersion[n];
836 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
839 ChessProgramState *savCps;
845 if(WaitForEngine(savCps, LoadEngine)) return;
846 CommonEngineInit(); // recalculate time odds
847 if(gameInfo.variant != StringToVariant(appData.variant)) {
848 // we changed variant when loading the engine; this forces us to reset
849 Reset(TRUE, savCps != &first);
850 EditGameEvent(); // for consistency with other path, as Reset changes mode
852 InitChessProgram(savCps, FALSE);
853 SendToProgram("force\n", savCps);
854 DisplayMessage("", "");
855 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
856 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
862 ReplaceEngine(ChessProgramState *cps, int n)
866 appData.noChessProgram = FALSE;
867 appData.clockMode = TRUE;
870 if(n) return; // only startup first engine immediately; second can wait
871 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
875 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
876 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
878 static char resetOptions[] =
879 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
880 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
881 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
884 Load(ChessProgramState *cps, int i)
886 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
887 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
888 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
889 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
890 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
891 ParseArgsFromString(buf);
893 ReplaceEngine(cps, i);
897 while(q = strchr(p, SLASH)) p = q+1;
898 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
899 if(engineDir[0] != NULLCHAR)
900 appData.directory[i] = engineDir;
901 else if(p != engineName) { // derive directory from engine path, when not given
903 appData.directory[i] = strdup(engineName);
905 } else appData.directory[i] = ".";
907 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
908 snprintf(command, MSG_SIZ, "%s %s", p, params);
911 appData.chessProgram[i] = strdup(p);
912 appData.isUCI[i] = isUCI;
913 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
914 appData.hasOwnBookUCI[i] = hasBook;
915 if(!nickName[0]) useNick = FALSE;
916 if(useNick) ASSIGN(appData.pgnName[i], nickName);
920 q = firstChessProgramNames;
921 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
922 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
923 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
924 quote, p, quote, appData.directory[i],
925 useNick ? " -fn \"" : "",
926 useNick ? nickName : "",
928 v1 ? " -firstProtocolVersion 1" : "",
929 hasBook ? "" : " -fNoOwnBookUCI",
930 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
931 storeVariant ? " -variant " : "",
932 storeVariant ? VariantName(gameInfo.variant) : "");
933 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
934 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
937 ReplaceEngine(cps, i);
943 int matched, min, sec;
945 * Parse timeControl resource
947 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
948 appData.movesPerSession)) {
950 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
951 DisplayFatalError(buf, 0, 2);
955 * Parse searchTime resource
957 if (*appData.searchTime != NULLCHAR) {
958 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
960 searchTime = min * 60;
961 } else if (matched == 2) {
962 searchTime = min * 60 + sec;
965 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
966 DisplayFatalError(buf, 0, 2);
975 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
976 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
978 GetTimeMark(&programStartTime);
979 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
980 appData.seedBase = random() + (random()<<15);
981 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
984 programStats.ok_to_send = 1;
985 programStats.seen_stat = 0;
988 * Initialize game list
994 * Internet chess server status
996 if (appData.icsActive) {
997 appData.matchMode = FALSE;
998 appData.matchGames = 0;
1000 appData.noChessProgram = !appData.zippyPlay;
1002 appData.zippyPlay = FALSE;
1003 appData.zippyTalk = FALSE;
1004 appData.noChessProgram = TRUE;
1006 if (*appData.icsHelper != NULLCHAR) {
1007 appData.useTelnet = TRUE;
1008 appData.telnetProgram = appData.icsHelper;
1011 appData.zippyTalk = appData.zippyPlay = FALSE;
1014 /* [AS] Initialize pv info list [HGM] and game state */
1018 for( i=0; i<=framePtr; i++ ) {
1019 pvInfoList[i].depth = -1;
1020 boards[i][EP_STATUS] = EP_NONE;
1021 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1027 /* [AS] Adjudication threshold */
1028 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1030 InitEngine(&first, 0);
1031 InitEngine(&second, 1);
1034 pairing.which = "pairing"; // pairing engine
1035 pairing.pr = NoProc;
1037 pairing.program = appData.pairingEngine;
1038 pairing.host = "localhost";
1041 if (appData.icsActive) {
1042 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1043 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1044 appData.clockMode = FALSE;
1045 first.sendTime = second.sendTime = 0;
1049 /* Override some settings from environment variables, for backward
1050 compatibility. Unfortunately it's not feasible to have the env
1051 vars just set defaults, at least in xboard. Ugh.
1053 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1058 if (!appData.icsActive) {
1062 /* Check for variants that are supported only in ICS mode,
1063 or not at all. Some that are accepted here nevertheless
1064 have bugs; see comments below.
1066 VariantClass variant = StringToVariant(appData.variant);
1068 case VariantBughouse: /* need four players and two boards */
1069 case VariantKriegspiel: /* need to hide pieces and move details */
1070 /* case VariantFischeRandom: (Fabien: moved below) */
1071 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1072 if( (len > MSG_SIZ) && appData.debugMode )
1073 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1075 DisplayFatalError(buf, 0, 2);
1078 case VariantUnknown:
1079 case VariantLoadable:
1089 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1090 if( (len > MSG_SIZ) && appData.debugMode )
1091 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1093 DisplayFatalError(buf, 0, 2);
1096 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1097 case VariantFairy: /* [HGM] TestLegality definitely off! */
1098 case VariantGothic: /* [HGM] should work */
1099 case VariantCapablanca: /* [HGM] should work */
1100 case VariantCourier: /* [HGM] initial forced moves not implemented */
1101 case VariantShogi: /* [HGM] could still mate with pawn drop */
1102 case VariantKnightmate: /* [HGM] should work */
1103 case VariantCylinder: /* [HGM] untested */
1104 case VariantFalcon: /* [HGM] untested */
1105 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1106 offboard interposition not understood */
1107 case VariantNormal: /* definitely works! */
1108 case VariantWildCastle: /* pieces not automatically shuffled */
1109 case VariantNoCastle: /* pieces not automatically shuffled */
1110 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1111 case VariantLosers: /* should work except for win condition,
1112 and doesn't know captures are mandatory */
1113 case VariantSuicide: /* should work except for win condition,
1114 and doesn't know captures are mandatory */
1115 case VariantGiveaway: /* should work except for win condition,
1116 and doesn't know captures are mandatory */
1117 case VariantTwoKings: /* should work */
1118 case VariantAtomic: /* should work except for win condition */
1119 case Variant3Check: /* should work except for win condition */
1120 case VariantShatranj: /* should work except for all win conditions */
1121 case VariantMakruk: /* should work except for draw countdown */
1122 case VariantBerolina: /* might work if TestLegality is off */
1123 case VariantCapaRandom: /* should work */
1124 case VariantJanus: /* should work */
1125 case VariantSuper: /* experimental */
1126 case VariantGreat: /* experimental, requires legality testing to be off */
1127 case VariantSChess: /* S-Chess, should work */
1128 case VariantGrand: /* should work */
1129 case VariantSpartan: /* should work */
1136 int NextIntegerFromString( char ** str, long * value )
1141 while( *s == ' ' || *s == '\t' ) {
1147 if( *s >= '0' && *s <= '9' ) {
1148 while( *s >= '0' && *s <= '9' ) {
1149 *value = *value * 10 + (*s - '0');
1161 int NextTimeControlFromString( char ** str, long * value )
1164 int result = NextIntegerFromString( str, &temp );
1167 *value = temp * 60; /* Minutes */
1168 if( **str == ':' ) {
1170 result = NextIntegerFromString( str, &temp );
1171 *value += temp; /* Seconds */
1178 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1179 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1180 int result = -1, type = 0; long temp, temp2;
1182 if(**str != ':') return -1; // old params remain in force!
1184 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1185 if( NextIntegerFromString( str, &temp ) ) return -1;
1186 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1189 /* time only: incremental or sudden-death time control */
1190 if(**str == '+') { /* increment follows; read it */
1192 if(**str == '!') type = *(*str)++; // Bronstein TC
1193 if(result = NextIntegerFromString( str, &temp2)) return -1;
1194 *inc = temp2 * 1000;
1195 if(**str == '.') { // read fraction of increment
1196 char *start = ++(*str);
1197 if(result = NextIntegerFromString( str, &temp2)) return -1;
1199 while(start++ < *str) temp2 /= 10;
1203 *moves = 0; *tc = temp * 1000; *incType = type;
1207 (*str)++; /* classical time control */
1208 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1219 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1220 { /* [HGM] get time to add from the multi-session time-control string */
1221 int incType, moves=1; /* kludge to force reading of first session */
1222 long time, increment;
1225 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1226 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1228 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1229 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1230 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1231 if(movenr == -1) return time; /* last move before new session */
1232 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1233 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1234 if(!moves) return increment; /* current session is incremental */
1235 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1236 } while(movenr >= -1); /* try again for next session */
1238 return 0; // no new time quota on this move
1242 ParseTimeControl(tc, ti, mps)
1249 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1252 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1253 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1254 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1258 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1260 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1263 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1265 snprintf(buf, MSG_SIZ, ":%s", mytc);
1267 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1269 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1274 /* Parse second time control */
1277 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1285 timeControl_2 = tc2 * 1000;
1295 timeControl = tc1 * 1000;
1298 timeIncrement = ti * 1000; /* convert to ms */
1299 movesPerSession = 0;
1302 movesPerSession = mps;
1310 if (appData.debugMode) {
1311 fprintf(debugFP, "%s\n", programVersion);
1314 set_cont_sequence(appData.wrapContSeq);
1315 if (appData.matchGames > 0) {
1316 appData.matchMode = TRUE;
1317 } else if (appData.matchMode) {
1318 appData.matchGames = 1;
1320 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1321 appData.matchGames = appData.sameColorGames;
1322 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1323 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1324 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1327 if (appData.noChessProgram || first.protocolVersion == 1) {
1330 /* kludge: allow timeout for initial "feature" commands */
1332 DisplayMessage("", _("Starting chess program"));
1333 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1338 CalculateIndex(int index, int gameNr)
1339 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1341 if(index > 0) return index; // fixed nmber
1342 if(index == 0) return 1;
1343 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1344 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1349 LoadGameOrPosition(int gameNr)
1350 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1351 if (*appData.loadGameFile != NULLCHAR) {
1352 if (!LoadGameFromFile(appData.loadGameFile,
1353 CalculateIndex(appData.loadGameIndex, gameNr),
1354 appData.loadGameFile, FALSE)) {
1355 DisplayFatalError(_("Bad game file"), 0, 1);
1358 } else if (*appData.loadPositionFile != NULLCHAR) {
1359 if (!LoadPositionFromFile(appData.loadPositionFile,
1360 CalculateIndex(appData.loadPositionIndex, gameNr),
1361 appData.loadPositionFile)) {
1362 DisplayFatalError(_("Bad position file"), 0, 1);
1370 ReserveGame(int gameNr, char resChar)
1372 FILE *tf = fopen(appData.tourneyFile, "r+");
1373 char *p, *q, c, buf[MSG_SIZ];
1374 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1375 safeStrCpy(buf, lastMsg, MSG_SIZ);
1376 DisplayMessage(_("Pick new game"), "");
1377 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1378 ParseArgsFromFile(tf);
1379 p = q = appData.results;
1380 if(appData.debugMode) {
1381 char *r = appData.participants;
1382 fprintf(debugFP, "results = '%s'\n", p);
1383 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1384 fprintf(debugFP, "\n");
1386 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1388 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1389 safeStrCpy(q, p, strlen(p) + 2);
1390 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1391 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1392 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1393 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1396 fseek(tf, -(strlen(p)+4), SEEK_END);
1398 if(c != '"') // depending on DOS or Unix line endings we can be one off
1399 fseek(tf, -(strlen(p)+2), SEEK_END);
1400 else fseek(tf, -(strlen(p)+3), SEEK_END);
1401 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1402 DisplayMessage(buf, "");
1403 free(p); appData.results = q;
1404 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1405 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1406 UnloadEngine(&first); // next game belongs to other pairing;
1407 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1412 MatchEvent(int mode)
1413 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1415 if(matchMode) { // already in match mode: switch it off
1417 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1420 // if(gameMode != BeginningOfGame) {
1421 // DisplayError(_("You can only start a match from the initial position."), 0);
1425 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1426 /* Set up machine vs. machine match */
1428 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1429 if(appData.tourneyFile[0]) {
1431 if(nextGame > appData.matchGames) {
1433 if(strchr(appData.results, '*') == NULL) {
1435 appData.tourneyCycles++;
1436 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1438 NextTourneyGame(-1, &dummy);
1440 if(nextGame <= appData.matchGames) {
1441 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1443 ScheduleDelayedEvent(NextMatchGame, 10000);
1448 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1449 DisplayError(buf, 0);
1450 appData.tourneyFile[0] = 0;
1454 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1455 DisplayFatalError(_("Can't have a match with no chess programs"),
1460 matchGame = roundNr = 1;
1461 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1466 InitBackEnd3 P((void))
1468 GameMode initialMode;
1472 InitChessProgram(&first, startedFromSetupPosition);
1474 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1475 free(programVersion);
1476 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1477 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1480 if (appData.icsActive) {
1482 /* [DM] Make a console window if needed [HGM] merged ifs */
1488 if (*appData.icsCommPort != NULLCHAR)
1489 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1490 appData.icsCommPort);
1492 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1493 appData.icsHost, appData.icsPort);
1495 if( (len > MSG_SIZ) && appData.debugMode )
1496 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1498 DisplayFatalError(buf, err, 1);
1503 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1505 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1506 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1507 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1508 } else if (appData.noChessProgram) {
1514 if (*appData.cmailGameName != NULLCHAR) {
1516 OpenLoopback(&cmailPR);
1518 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1522 DisplayMessage("", "");
1523 if (StrCaseCmp(appData.initialMode, "") == 0) {
1524 initialMode = BeginningOfGame;
1525 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1526 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1527 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1528 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1531 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1532 initialMode = TwoMachinesPlay;
1533 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1534 initialMode = AnalyzeFile;
1535 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1536 initialMode = AnalyzeMode;
1537 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1538 initialMode = MachinePlaysWhite;
1539 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1540 initialMode = MachinePlaysBlack;
1541 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1542 initialMode = EditGame;
1543 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1544 initialMode = EditPosition;
1545 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1546 initialMode = Training;
1548 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1549 if( (len > MSG_SIZ) && appData.debugMode )
1550 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1552 DisplayFatalError(buf, 0, 2);
1556 if (appData.matchMode) {
1557 if(appData.tourneyFile[0]) { // start tourney from command line
1559 if(f = fopen(appData.tourneyFile, "r")) {
1560 ParseArgsFromFile(f); // make sure tourney parmeters re known
1562 appData.clockMode = TRUE;
1564 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1567 } else if (*appData.cmailGameName != NULLCHAR) {
1568 /* Set up cmail mode */
1569 ReloadCmailMsgEvent(TRUE);
1571 /* Set up other modes */
1572 if (initialMode == AnalyzeFile) {
1573 if (*appData.loadGameFile == NULLCHAR) {
1574 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1578 if (*appData.loadGameFile != NULLCHAR) {
1579 (void) LoadGameFromFile(appData.loadGameFile,
1580 appData.loadGameIndex,
1581 appData.loadGameFile, TRUE);
1582 } else if (*appData.loadPositionFile != NULLCHAR) {
1583 (void) LoadPositionFromFile(appData.loadPositionFile,
1584 appData.loadPositionIndex,
1585 appData.loadPositionFile);
1586 /* [HGM] try to make self-starting even after FEN load */
1587 /* to allow automatic setup of fairy variants with wtm */
1588 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1589 gameMode = BeginningOfGame;
1590 setboardSpoiledMachineBlack = 1;
1592 /* [HGM] loadPos: make that every new game uses the setup */
1593 /* from file as long as we do not switch variant */
1594 if(!blackPlaysFirst) {
1595 startedFromPositionFile = TRUE;
1596 CopyBoard(filePosition, boards[0]);
1599 if (initialMode == AnalyzeMode) {
1600 if (appData.noChessProgram) {
1601 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1604 if (appData.icsActive) {
1605 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1609 } else if (initialMode == AnalyzeFile) {
1610 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1611 ShowThinkingEvent();
1613 AnalysisPeriodicEvent(1);
1614 } else if (initialMode == MachinePlaysWhite) {
1615 if (appData.noChessProgram) {
1616 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1620 if (appData.icsActive) {
1621 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1625 MachineWhiteEvent();
1626 } else if (initialMode == MachinePlaysBlack) {
1627 if (appData.noChessProgram) {
1628 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1632 if (appData.icsActive) {
1633 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1637 MachineBlackEvent();
1638 } else if (initialMode == TwoMachinesPlay) {
1639 if (appData.noChessProgram) {
1640 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1644 if (appData.icsActive) {
1645 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1650 } else if (initialMode == EditGame) {
1652 } else if (initialMode == EditPosition) {
1653 EditPositionEvent();
1654 } else if (initialMode == Training) {
1655 if (*appData.loadGameFile == NULLCHAR) {
1656 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1665 HistorySet( char movelist[][2*MOVE_LEN], int first, int last, int current )
1667 DisplayBook(current+1);
1669 MoveHistorySet( movelist, first, last, current, pvInfoList );
1671 EvalGraphSet( first, last, current, pvInfoList );
1673 MakeEngineOutputTitle();
1677 * Establish will establish a contact to a remote host.port.
1678 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1679 * used to talk to the host.
1680 * Returns 0 if okay, error code if not.
1687 if (*appData.icsCommPort != NULLCHAR) {
1688 /* Talk to the host through a serial comm port */
1689 return OpenCommPort(appData.icsCommPort, &icsPR);
1691 } else if (*appData.gateway != NULLCHAR) {
1692 if (*appData.remoteShell == NULLCHAR) {
1693 /* Use the rcmd protocol to run telnet program on a gateway host */
1694 snprintf(buf, sizeof(buf), "%s %s %s",
1695 appData.telnetProgram, appData.icsHost, appData.icsPort);
1696 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1699 /* Use the rsh program to run telnet program on a gateway host */
1700 if (*appData.remoteUser == NULLCHAR) {
1701 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1702 appData.gateway, appData.telnetProgram,
1703 appData.icsHost, appData.icsPort);
1705 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1706 appData.remoteShell, appData.gateway,
1707 appData.remoteUser, appData.telnetProgram,
1708 appData.icsHost, appData.icsPort);
1710 return StartChildProcess(buf, "", &icsPR);
1713 } else if (appData.useTelnet) {
1714 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1717 /* TCP socket interface differs somewhat between
1718 Unix and NT; handle details in the front end.
1720 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1724 void EscapeExpand(char *p, char *q)
1725 { // [HGM] initstring: routine to shape up string arguments
1726 while(*p++ = *q++) if(p[-1] == '\\')
1728 case 'n': p[-1] = '\n'; break;
1729 case 'r': p[-1] = '\r'; break;
1730 case 't': p[-1] = '\t'; break;
1731 case '\\': p[-1] = '\\'; break;
1732 case 0: *p = 0; return;
1733 default: p[-1] = q[-1]; break;
1738 show_bytes(fp, buf, count)
1744 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1745 fprintf(fp, "\\%03o", *buf & 0xff);
1754 /* Returns an errno value */
1756 OutputMaybeTelnet(pr, message, count, outError)
1762 char buf[8192], *p, *q, *buflim;
1763 int left, newcount, outcount;
1765 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1766 *appData.gateway != NULLCHAR) {
1767 if (appData.debugMode) {
1768 fprintf(debugFP, ">ICS: ");
1769 show_bytes(debugFP, message, count);
1770 fprintf(debugFP, "\n");
1772 return OutputToProcess(pr, message, count, outError);
1775 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1782 if (appData.debugMode) {
1783 fprintf(debugFP, ">ICS: ");
1784 show_bytes(debugFP, buf, newcount);
1785 fprintf(debugFP, "\n");
1787 outcount = OutputToProcess(pr, buf, newcount, outError);
1788 if (outcount < newcount) return -1; /* to be sure */
1795 } else if (((unsigned char) *p) == TN_IAC) {
1796 *q++ = (char) TN_IAC;
1803 if (appData.debugMode) {
1804 fprintf(debugFP, ">ICS: ");
1805 show_bytes(debugFP, buf, newcount);
1806 fprintf(debugFP, "\n");
1808 outcount = OutputToProcess(pr, buf, newcount, outError);
1809 if (outcount < newcount) return -1; /* to be sure */
1814 read_from_player(isr, closure, message, count, error)
1821 int outError, outCount;
1822 static int gotEof = 0;
1824 /* Pass data read from player on to ICS */
1827 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1828 if (outCount < count) {
1829 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1831 } else if (count < 0) {
1832 RemoveInputSource(isr);
1833 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1834 } else if (gotEof++ > 0) {
1835 RemoveInputSource(isr);
1836 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1842 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1843 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1844 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1845 SendToICS("date\n");
1846 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1849 /* added routine for printf style output to ics */
1850 void ics_printf(char *format, ...)
1852 char buffer[MSG_SIZ];
1855 va_start(args, format);
1856 vsnprintf(buffer, sizeof(buffer), format, args);
1857 buffer[sizeof(buffer)-1] = '\0';
1866 int count, outCount, outError;
1868 if (icsPR == NoProc) return;
1871 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1872 if (outCount < count) {
1873 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1877 /* This is used for sending logon scripts to the ICS. Sending
1878 without a delay causes problems when using timestamp on ICC
1879 (at least on my machine). */
1881 SendToICSDelayed(s,msdelay)
1885 int count, outCount, outError;
1887 if (icsPR == NoProc) return;
1890 if (appData.debugMode) {
1891 fprintf(debugFP, ">ICS: ");
1892 show_bytes(debugFP, s, count);
1893 fprintf(debugFP, "\n");
1895 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1897 if (outCount < count) {
1898 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1903 /* Remove all highlighting escape sequences in s
1904 Also deletes any suffix starting with '('
1907 StripHighlightAndTitle(s)
1910 static char retbuf[MSG_SIZ];
1913 while (*s != NULLCHAR) {
1914 while (*s == '\033') {
1915 while (*s != NULLCHAR && !isalpha(*s)) s++;
1916 if (*s != NULLCHAR) s++;
1918 while (*s != NULLCHAR && *s != '\033') {
1919 if (*s == '(' || *s == '[') {
1930 /* Remove all highlighting escape sequences in s */
1935 static char retbuf[MSG_SIZ];
1938 while (*s != NULLCHAR) {
1939 while (*s == '\033') {
1940 while (*s != NULLCHAR && !isalpha(*s)) s++;
1941 if (*s != NULLCHAR) s++;
1943 while (*s != NULLCHAR && *s != '\033') {
1951 char *variantNames[] = VARIANT_NAMES;
1956 return variantNames[v];
1960 /* Identify a variant from the strings the chess servers use or the
1961 PGN Variant tag names we use. */
1968 VariantClass v = VariantNormal;
1969 int i, found = FALSE;
1975 /* [HGM] skip over optional board-size prefixes */
1976 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1977 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1978 while( *e++ != '_');
1981 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1985 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1986 if (StrCaseStr(e, variantNames[i])) {
1987 v = (VariantClass) i;
1994 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1995 || StrCaseStr(e, "wild/fr")
1996 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1997 v = VariantFischeRandom;
1998 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1999 (i = 1, p = StrCaseStr(e, "w"))) {
2001 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2008 case 0: /* FICS only, actually */
2010 /* Castling legal even if K starts on d-file */
2011 v = VariantWildCastle;
2016 /* Castling illegal even if K & R happen to start in
2017 normal positions. */
2018 v = VariantNoCastle;
2031 /* Castling legal iff K & R start in normal positions */
2037 /* Special wilds for position setup; unclear what to do here */
2038 v = VariantLoadable;
2041 /* Bizarre ICC game */
2042 v = VariantTwoKings;
2045 v = VariantKriegspiel;
2051 v = VariantFischeRandom;
2054 v = VariantCrazyhouse;
2057 v = VariantBughouse;
2063 /* Not quite the same as FICS suicide! */
2064 v = VariantGiveaway;
2070 v = VariantShatranj;
2073 /* Temporary names for future ICC types. The name *will* change in
2074 the next xboard/WinBoard release after ICC defines it. */
2112 v = VariantCapablanca;
2115 v = VariantKnightmate;
2121 v = VariantCylinder;
2127 v = VariantCapaRandom;
2130 v = VariantBerolina;
2142 /* Found "wild" or "w" in the string but no number;
2143 must assume it's normal chess. */
2147 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2148 if( (len > MSG_SIZ) && appData.debugMode )
2149 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2151 DisplayError(buf, 0);
2157 if (appData.debugMode) {
2158 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2159 e, wnum, VariantName(v));
2164 static int leftover_start = 0, leftover_len = 0;
2165 char star_match[STAR_MATCH_N][MSG_SIZ];
2167 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2168 advance *index beyond it, and set leftover_start to the new value of
2169 *index; else return FALSE. If pattern contains the character '*', it
2170 matches any sequence of characters not containing '\r', '\n', or the
2171 character following the '*' (if any), and the matched sequence(s) are
2172 copied into star_match.
2175 looking_at(buf, index, pattern)
2180 char *bufp = &buf[*index], *patternp = pattern;
2182 char *matchp = star_match[0];
2185 if (*patternp == NULLCHAR) {
2186 *index = leftover_start = bufp - buf;
2190 if (*bufp == NULLCHAR) return FALSE;
2191 if (*patternp == '*') {
2192 if (*bufp == *(patternp + 1)) {
2194 matchp = star_match[++star_count];
2198 } else if (*bufp == '\n' || *bufp == '\r') {
2200 if (*patternp == NULLCHAR)
2205 *matchp++ = *bufp++;
2209 if (*patternp != *bufp) return FALSE;
2216 SendToPlayer(data, length)
2220 int error, outCount;
2221 outCount = OutputToProcess(NoProc, data, length, &error);
2222 if (outCount < length) {
2223 DisplayFatalError(_("Error writing to display"), error, 1);
2228 PackHolding(packed, holding)
2240 switch (runlength) {
2251 sprintf(q, "%d", runlength);
2263 /* Telnet protocol requests from the front end */
2265 TelnetRequest(ddww, option)
2266 unsigned char ddww, option;
2268 unsigned char msg[3];
2269 int outCount, outError;
2271 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2273 if (appData.debugMode) {
2274 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2290 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2299 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2302 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2307 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2309 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2316 if (!appData.icsActive) return;
2317 TelnetRequest(TN_DO, TN_ECHO);
2323 if (!appData.icsActive) return;
2324 TelnetRequest(TN_DONT, TN_ECHO);
2328 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2330 /* put the holdings sent to us by the server on the board holdings area */
2331 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2335 if(gameInfo.holdingsWidth < 2) return;
2336 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2337 return; // prevent overwriting by pre-board holdings
2339 if( (int)lowestPiece >= BlackPawn ) {
2342 holdingsStartRow = BOARD_HEIGHT-1;
2345 holdingsColumn = BOARD_WIDTH-1;
2346 countsColumn = BOARD_WIDTH-2;
2347 holdingsStartRow = 0;
2351 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2352 board[i][holdingsColumn] = EmptySquare;
2353 board[i][countsColumn] = (ChessSquare) 0;
2355 while( (p=*holdings++) != NULLCHAR ) {
2356 piece = CharToPiece( ToUpper(p) );
2357 if(piece == EmptySquare) continue;
2358 /*j = (int) piece - (int) WhitePawn;*/
2359 j = PieceToNumber(piece);
2360 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2361 if(j < 0) continue; /* should not happen */
2362 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2363 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2364 board[holdingsStartRow+j*direction][countsColumn]++;
2370 VariantSwitch(Board board, VariantClass newVariant)
2372 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2373 static Board oldBoard;
2375 startedFromPositionFile = FALSE;
2376 if(gameInfo.variant == newVariant) return;
2378 /* [HGM] This routine is called each time an assignment is made to
2379 * gameInfo.variant during a game, to make sure the board sizes
2380 * are set to match the new variant. If that means adding or deleting
2381 * holdings, we shift the playing board accordingly
2382 * This kludge is needed because in ICS observe mode, we get boards
2383 * of an ongoing game without knowing the variant, and learn about the
2384 * latter only later. This can be because of the move list we requested,
2385 * in which case the game history is refilled from the beginning anyway,
2386 * but also when receiving holdings of a crazyhouse game. In the latter
2387 * case we want to add those holdings to the already received position.
2391 if (appData.debugMode) {
2392 fprintf(debugFP, "Switch board from %s to %s\n",
2393 VariantName(gameInfo.variant), VariantName(newVariant));
2394 setbuf(debugFP, NULL);
2396 shuffleOpenings = 0; /* [HGM] shuffle */
2397 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2401 newWidth = 9; newHeight = 9;
2402 gameInfo.holdingsSize = 7;
2403 case VariantBughouse:
2404 case VariantCrazyhouse:
2405 newHoldingsWidth = 2; break;
2409 newHoldingsWidth = 2;
2410 gameInfo.holdingsSize = 8;
2413 case VariantCapablanca:
2414 case VariantCapaRandom:
2417 newHoldingsWidth = gameInfo.holdingsSize = 0;
2420 if(newWidth != gameInfo.boardWidth ||
2421 newHeight != gameInfo.boardHeight ||
2422 newHoldingsWidth != gameInfo.holdingsWidth ) {
2424 /* shift position to new playing area, if needed */
2425 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2426 for(i=0; i<BOARD_HEIGHT; i++)
2427 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2428 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2430 for(i=0; i<newHeight; i++) {
2431 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2432 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2434 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2435 for(i=0; i<BOARD_HEIGHT; i++)
2436 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2437 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2440 gameInfo.boardWidth = newWidth;
2441 gameInfo.boardHeight = newHeight;
2442 gameInfo.holdingsWidth = newHoldingsWidth;
2443 gameInfo.variant = newVariant;
2444 InitDrawingSizes(-2, 0);
2445 } else gameInfo.variant = newVariant;
2446 CopyBoard(oldBoard, board); // remember correctly formatted board
2447 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2448 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2451 static int loggedOn = FALSE;
2453 /*-- Game start info cache: --*/
2455 char gs_kind[MSG_SIZ];
2456 static char player1Name[128] = "";
2457 static char player2Name[128] = "";
2458 static char cont_seq[] = "\n\\ ";
2459 static int player1Rating = -1;
2460 static int player2Rating = -1;
2461 /*----------------------------*/
2463 ColorClass curColor = ColorNormal;
2464 int suppressKibitz = 0;
2467 Boolean soughtPending = FALSE;
2468 Boolean seekGraphUp;
2469 #define MAX_SEEK_ADS 200
2471 char *seekAdList[MAX_SEEK_ADS];
2472 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2473 float tcList[MAX_SEEK_ADS];
2474 char colorList[MAX_SEEK_ADS];
2475 int nrOfSeekAds = 0;
2476 int minRating = 1010, maxRating = 2800;
2477 int hMargin = 10, vMargin = 20, h, w;
2478 extern int squareSize, lineGap;
2483 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2484 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2485 if(r < minRating+100 && r >=0 ) r = minRating+100;
2486 if(r > maxRating) r = maxRating;
2487 if(tc < 1.) tc = 1.;
2488 if(tc > 95.) tc = 95.;
2489 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2490 y = ((double)r - minRating)/(maxRating - minRating)
2491 * (h-vMargin-squareSize/8-1) + vMargin;
2492 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2493 if(strstr(seekAdList[i], " u ")) color = 1;
2494 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2495 !strstr(seekAdList[i], "bullet") &&
2496 !strstr(seekAdList[i], "blitz") &&
2497 !strstr(seekAdList[i], "standard") ) color = 2;
2498 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2499 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2503 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2505 char buf[MSG_SIZ], *ext = "";
2506 VariantClass v = StringToVariant(type);
2507 if(strstr(type, "wild")) {
2508 ext = type + 4; // append wild number
2509 if(v == VariantFischeRandom) type = "chess960"; else
2510 if(v == VariantLoadable) type = "setup"; else
2511 type = VariantName(v);
2513 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2514 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2515 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2516 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2517 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2518 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2519 seekNrList[nrOfSeekAds] = nr;
2520 zList[nrOfSeekAds] = 0;
2521 seekAdList[nrOfSeekAds++] = StrSave(buf);
2522 if(plot) PlotSeekAd(nrOfSeekAds-1);
2529 int x = xList[i], y = yList[i], d=squareSize/4, k;
2530 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2531 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2532 // now replot every dot that overlapped
2533 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2534 int xx = xList[k], yy = yList[k];
2535 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2536 DrawSeekDot(xx, yy, colorList[k]);
2541 RemoveSeekAd(int nr)
2544 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2546 if(seekAdList[i]) free(seekAdList[i]);
2547 seekAdList[i] = seekAdList[--nrOfSeekAds];
2548 seekNrList[i] = seekNrList[nrOfSeekAds];
2549 ratingList[i] = ratingList[nrOfSeekAds];
2550 colorList[i] = colorList[nrOfSeekAds];
2551 tcList[i] = tcList[nrOfSeekAds];
2552 xList[i] = xList[nrOfSeekAds];
2553 yList[i] = yList[nrOfSeekAds];
2554 zList[i] = zList[nrOfSeekAds];
2555 seekAdList[nrOfSeekAds] = NULL;
2561 MatchSoughtLine(char *line)
2563 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2564 int nr, base, inc, u=0; char dummy;
2566 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2567 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2569 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2570 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2571 // match: compact and save the line
2572 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2582 if(!seekGraphUp) return FALSE;
2583 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2584 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2586 DrawSeekBackground(0, 0, w, h);
2587 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2588 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2589 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2590 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2592 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2595 snprintf(buf, MSG_SIZ, "%d", i);
2596 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2599 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2600 for(i=1; i<100; i+=(i<10?1:5)) {
2601 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2602 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2603 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2605 snprintf(buf, MSG_SIZ, "%d", i);
2606 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2609 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2613 int SeekGraphClick(ClickType click, int x, int y, int moving)
2615 static int lastDown = 0, displayed = 0, lastSecond;
2616 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2617 if(click == Release || moving) return FALSE;
2619 soughtPending = TRUE;
2620 SendToICS(ics_prefix);
2621 SendToICS("sought\n"); // should this be "sought all"?
2622 } else { // issue challenge based on clicked ad
2623 int dist = 10000; int i, closest = 0, second = 0;
2624 for(i=0; i<nrOfSeekAds; i++) {
2625 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2626 if(d < dist) { dist = d; closest = i; }
2627 second += (d - zList[i] < 120); // count in-range ads
2628 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2632 second = (second > 1);
2633 if(displayed != closest || second != lastSecond) {
2634 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2635 lastSecond = second; displayed = closest;
2637 if(click == Press) {
2638 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2641 } // on press 'hit', only show info
2642 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2643 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2644 SendToICS(ics_prefix);
2646 return TRUE; // let incoming board of started game pop down the graph
2647 } else if(click == Release) { // release 'miss' is ignored
2648 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2649 if(moving == 2) { // right up-click
2650 nrOfSeekAds = 0; // refresh graph
2651 soughtPending = TRUE;
2652 SendToICS(ics_prefix);
2653 SendToICS("sought\n"); // should this be "sought all"?
2656 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2657 // press miss or release hit 'pop down' seek graph
2658 seekGraphUp = FALSE;
2659 DrawPosition(TRUE, NULL);
2665 read_from_ics(isr, closure, data, count, error)
2672 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2673 #define STARTED_NONE 0
2674 #define STARTED_MOVES 1
2675 #define STARTED_BOARD 2
2676 #define STARTED_OBSERVE 3
2677 #define STARTED_HOLDINGS 4
2678 #define STARTED_CHATTER 5
2679 #define STARTED_COMMENT 6
2680 #define STARTED_MOVES_NOHIDE 7
2682 static int started = STARTED_NONE;
2683 static char parse[20000];
2684 static int parse_pos = 0;
2685 static char buf[BUF_SIZE + 1];
2686 static int firstTime = TRUE, intfSet = FALSE;
2687 static ColorClass prevColor = ColorNormal;
2688 static int savingComment = FALSE;
2689 static int cmatch = 0; // continuation sequence match
2696 int backup; /* [DM] For zippy color lines */
2698 char talker[MSG_SIZ]; // [HGM] chat
2701 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2703 if (appData.debugMode) {
2705 fprintf(debugFP, "<ICS: ");
2706 show_bytes(debugFP, data, count);
2707 fprintf(debugFP, "\n");
2711 if (appData.debugMode) { int f = forwardMostMove;
2712 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2713 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2714 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2717 /* If last read ended with a partial line that we couldn't parse,
2718 prepend it to the new read and try again. */
2719 if (leftover_len > 0) {
2720 for (i=0; i<leftover_len; i++)
2721 buf[i] = buf[leftover_start + i];
2724 /* copy new characters into the buffer */
2725 bp = buf + leftover_len;
2726 buf_len=leftover_len;
2727 for (i=0; i<count; i++)
2730 if (data[i] == '\r')
2733 // join lines split by ICS?
2734 if (!appData.noJoin)
2737 Joining just consists of finding matches against the
2738 continuation sequence, and discarding that sequence
2739 if found instead of copying it. So, until a match
2740 fails, there's nothing to do since it might be the
2741 complete sequence, and thus, something we don't want
2744 if (data[i] == cont_seq[cmatch])
2747 if (cmatch == strlen(cont_seq))
2749 cmatch = 0; // complete match. just reset the counter
2752 it's possible for the ICS to not include the space
2753 at the end of the last word, making our [correct]
2754 join operation fuse two separate words. the server
2755 does this when the space occurs at the width setting.
2757 if (!buf_len || buf[buf_len-1] != ' ')
2768 match failed, so we have to copy what matched before
2769 falling through and copying this character. In reality,
2770 this will only ever be just the newline character, but
2771 it doesn't hurt to be precise.
2773 strncpy(bp, cont_seq, cmatch);
2785 buf[buf_len] = NULLCHAR;
2786 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2791 while (i < buf_len) {
2792 /* Deal with part of the TELNET option negotiation
2793 protocol. We refuse to do anything beyond the
2794 defaults, except that we allow the WILL ECHO option,
2795 which ICS uses to turn off password echoing when we are
2796 directly connected to it. We reject this option
2797 if localLineEditing mode is on (always on in xboard)
2798 and we are talking to port 23, which might be a real
2799 telnet server that will try to keep WILL ECHO on permanently.
2801 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2802 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2803 unsigned char option;
2805 switch ((unsigned char) buf[++i]) {
2807 if (appData.debugMode)
2808 fprintf(debugFP, "\n<WILL ");
2809 switch (option = (unsigned char) buf[++i]) {
2811 if (appData.debugMode)
2812 fprintf(debugFP, "ECHO ");
2813 /* Reply only if this is a change, according
2814 to the protocol rules. */
2815 if (remoteEchoOption) break;
2816 if (appData.localLineEditing &&
2817 atoi(appData.icsPort) == TN_PORT) {
2818 TelnetRequest(TN_DONT, TN_ECHO);
2821 TelnetRequest(TN_DO, TN_ECHO);
2822 remoteEchoOption = TRUE;
2826 if (appData.debugMode)
2827 fprintf(debugFP, "%d ", option);
2828 /* Whatever this is, we don't want it. */
2829 TelnetRequest(TN_DONT, option);
2834 if (appData.debugMode)
2835 fprintf(debugFP, "\n<WONT ");
2836 switch (option = (unsigned char) buf[++i]) {
2838 if (appData.debugMode)
2839 fprintf(debugFP, "ECHO ");
2840 /* Reply only if this is a change, according
2841 to the protocol rules. */
2842 if (!remoteEchoOption) break;
2844 TelnetRequest(TN_DONT, TN_ECHO);
2845 remoteEchoOption = FALSE;
2848 if (appData.debugMode)
2849 fprintf(debugFP, "%d ", (unsigned char) option);
2850 /* Whatever this is, it must already be turned
2851 off, because we never agree to turn on
2852 anything non-default, so according to the
2853 protocol rules, we don't reply. */
2858 if (appData.debugMode)
2859 fprintf(debugFP, "\n<DO ");
2860 switch (option = (unsigned char) buf[++i]) {
2862 /* Whatever this is, we refuse to do it. */
2863 if (appData.debugMode)
2864 fprintf(debugFP, "%d ", option);
2865 TelnetRequest(TN_WONT, option);
2870 if (appData.debugMode)
2871 fprintf(debugFP, "\n<DONT ");
2872 switch (option = (unsigned char) buf[++i]) {
2874 if (appData.debugMode)
2875 fprintf(debugFP, "%d ", option);
2876 /* Whatever this is, we are already not doing
2877 it, because we never agree to do anything
2878 non-default, so according to the protocol
2879 rules, we don't reply. */
2884 if (appData.debugMode)
2885 fprintf(debugFP, "\n<IAC ");
2886 /* Doubled IAC; pass it through */
2890 if (appData.debugMode)
2891 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2892 /* Drop all other telnet commands on the floor */
2895 if (oldi > next_out)
2896 SendToPlayer(&buf[next_out], oldi - next_out);
2902 /* OK, this at least will *usually* work */
2903 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2907 if (loggedOn && !intfSet) {
2908 if (ics_type == ICS_ICC) {
2909 snprintf(str, MSG_SIZ,
2910 "/set-quietly interface %s\n/set-quietly style 12\n",
2912 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2913 strcat(str, "/set-2 51 1\n/set seek 1\n");
2914 } else if (ics_type == ICS_CHESSNET) {
2915 snprintf(str, MSG_SIZ, "/style 12\n");
2917 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2918 strcat(str, programVersion);
2919 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2920 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2921 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2923 strcat(str, "$iset nohighlight 1\n");
2925 strcat(str, "$iset lock 1\n$style 12\n");
2928 NotifyFrontendLogin();
2932 if (started == STARTED_COMMENT) {
2933 /* Accumulate characters in comment */
2934 parse[parse_pos++] = buf[i];
2935 if (buf[i] == '\n') {
2936 parse[parse_pos] = NULLCHAR;
2937 if(chattingPartner>=0) {
2939 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2940 OutputChatMessage(chattingPartner, mess);
2941 chattingPartner = -1;
2942 next_out = i+1; // [HGM] suppress printing in ICS window
2944 if(!suppressKibitz) // [HGM] kibitz
2945 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2946 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2947 int nrDigit = 0, nrAlph = 0, j;
2948 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2949 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2950 parse[parse_pos] = NULLCHAR;
2951 // try to be smart: if it does not look like search info, it should go to
2952 // ICS interaction window after all, not to engine-output window.
2953 for(j=0; j<parse_pos; j++) { // count letters and digits
2954 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2955 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2956 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2958 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2959 int depth=0; float score;
2960 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2961 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2962 pvInfoList[forwardMostMove-1].depth = depth;
2963 pvInfoList[forwardMostMove-1].score = 100*score;
2965 OutputKibitz(suppressKibitz, parse);
2968 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2969 SendToPlayer(tmp, strlen(tmp));
2971 next_out = i+1; // [HGM] suppress printing in ICS window
2973 started = STARTED_NONE;
2975 /* Don't match patterns against characters in comment */
2980 if (started == STARTED_CHATTER) {
2981 if (buf[i] != '\n') {
2982 /* Don't match patterns against characters in chatter */
2986 started = STARTED_NONE;
2987 if(suppressKibitz) next_out = i+1;
2990 /* Kludge to deal with rcmd protocol */
2991 if (firstTime && looking_at(buf, &i, "\001*")) {
2992 DisplayFatalError(&buf[1], 0, 1);
2998 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3001 if (appData.debugMode)
3002 fprintf(debugFP, "ics_type %d\n", ics_type);
3005 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3006 ics_type = ICS_FICS;
3008 if (appData.debugMode)
3009 fprintf(debugFP, "ics_type %d\n", ics_type);
3012 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3013 ics_type = ICS_CHESSNET;
3015 if (appData.debugMode)
3016 fprintf(debugFP, "ics_type %d\n", ics_type);
3021 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3022 looking_at(buf, &i, "Logging you in as \"*\"") ||
3023 looking_at(buf, &i, "will be \"*\""))) {
3024 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3028 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3030 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3031 DisplayIcsInteractionTitle(buf);
3032 have_set_title = TRUE;
3035 /* skip finger notes */
3036 if (started == STARTED_NONE &&
3037 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3038 (buf[i] == '1' && buf[i+1] == '0')) &&
3039 buf[i+2] == ':' && buf[i+3] == ' ') {
3040 started = STARTED_CHATTER;
3046 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3047 if(appData.seekGraph) {
3048 if(soughtPending && MatchSoughtLine(buf+i)) {
3049 i = strstr(buf+i, "rated") - buf;
3050 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3051 next_out = leftover_start = i;
3052 started = STARTED_CHATTER;
3053 suppressKibitz = TRUE;
3056 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3057 && looking_at(buf, &i, "* ads displayed")) {
3058 soughtPending = FALSE;
3063 if(appData.autoRefresh) {
3064 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3065 int s = (ics_type == ICS_ICC); // ICC format differs
3067 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3068 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3069 looking_at(buf, &i, "*% "); // eat prompt
3070 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3071 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3072 next_out = i; // suppress
3075 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3076 char *p = star_match[0];
3078 if(seekGraphUp) RemoveSeekAd(atoi(p));
3079 while(*p && *p++ != ' '); // next
3081 looking_at(buf, &i, "*% "); // eat prompt
3082 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3089 /* skip formula vars */
3090 if (started == STARTED_NONE &&
3091 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3092 started = STARTED_CHATTER;
3097 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3098 if (appData.autoKibitz && started == STARTED_NONE &&
3099 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3100 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3101 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3102 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3103 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3104 suppressKibitz = TRUE;
3105 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3107 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3108 && (gameMode == IcsPlayingWhite)) ||
3109 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3110 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3111 started = STARTED_CHATTER; // own kibitz we simply discard
3113 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3114 parse_pos = 0; parse[0] = NULLCHAR;
3115 savingComment = TRUE;
3116 suppressKibitz = gameMode != IcsObserving ? 2 :
3117 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3121 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3122 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3123 && atoi(star_match[0])) {
3124 // suppress the acknowledgements of our own autoKibitz
3126 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3127 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3128 SendToPlayer(star_match[0], strlen(star_match[0]));
3129 if(looking_at(buf, &i, "*% ")) // eat prompt
3130 suppressKibitz = FALSE;
3134 } // [HGM] kibitz: end of patch
3136 // [HGM] chat: intercept tells by users for which we have an open chat window
3138 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3139 looking_at(buf, &i, "* whispers:") ||
3140 looking_at(buf, &i, "* kibitzes:") ||
3141 looking_at(buf, &i, "* shouts:") ||
3142 looking_at(buf, &i, "* c-shouts:") ||
3143 looking_at(buf, &i, "--> * ") ||
3144 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3145 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3146 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3147 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3149 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3150 chattingPartner = -1;
3152 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3153 for(p=0; p<MAX_CHAT; p++) {
3154 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3155 talker[0] = '['; strcat(talker, "] ");
3156 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3157 chattingPartner = p; break;
3160 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3161 for(p=0; p<MAX_CHAT; p++) {
3162 if(!strcmp("kibitzes", chatPartner[p])) {
3163 talker[0] = '['; strcat(talker, "] ");
3164 chattingPartner = p; break;
3167 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3168 for(p=0; p<MAX_CHAT; p++) {
3169 if(!strcmp("whispers", chatPartner[p])) {
3170 talker[0] = '['; strcat(talker, "] ");
3171 chattingPartner = p; break;
3174 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3175 if(buf[i-8] == '-' && buf[i-3] == 't')
3176 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3177 if(!strcmp("c-shouts", chatPartner[p])) {
3178 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3179 chattingPartner = p; break;
3182 if(chattingPartner < 0)
3183 for(p=0; p<MAX_CHAT; p++) {
3184 if(!strcmp("shouts", chatPartner[p])) {
3185 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3186 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3187 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3188 chattingPartner = p; break;
3192 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3193 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3194 talker[0] = 0; Colorize(ColorTell, FALSE);
3195 chattingPartner = p; break;
3197 if(chattingPartner<0) i = oldi; else {
3198 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3199 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3200 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3201 started = STARTED_COMMENT;
3202 parse_pos = 0; parse[0] = NULLCHAR;
3203 savingComment = 3 + chattingPartner; // counts as TRUE
3204 suppressKibitz = TRUE;
3207 } // [HGM] chat: end of patch
3210 if (appData.zippyTalk || appData.zippyPlay) {
3211 /* [DM] Backup address for color zippy lines */
3213 if (loggedOn == TRUE)
3214 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3215 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3217 } // [DM] 'else { ' deleted
3219 /* Regular tells and says */
3220 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3221 looking_at(buf, &i, "* (your partner) tells you: ") ||
3222 looking_at(buf, &i, "* says: ") ||
3223 /* Don't color "message" or "messages" output */
3224 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3225 looking_at(buf, &i, "*. * at *:*: ") ||
3226 looking_at(buf, &i, "--* (*:*): ") ||
3227 /* Message notifications (same color as tells) */
3228 looking_at(buf, &i, "* has left a message ") ||
3229 looking_at(buf, &i, "* just sent you a message:\n") ||
3230 /* Whispers and kibitzes */
3231 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3232 looking_at(buf, &i, "* kibitzes: ") ||
3234 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3236 if (tkind == 1 && strchr(star_match[0], ':')) {
3237 /* Avoid "tells you:" spoofs in channels */
3240 if (star_match[0][0] == NULLCHAR ||
3241 strchr(star_match[0], ' ') ||
3242 (tkind == 3 && strchr(star_match[1], ' '))) {
3243 /* Reject bogus matches */
3246 if (appData.colorize) {
3247 if (oldi > next_out) {
3248 SendToPlayer(&buf[next_out], oldi - next_out);
3253 Colorize(ColorTell, FALSE);
3254 curColor = ColorTell;
3257 Colorize(ColorKibitz, FALSE);
3258 curColor = ColorKibitz;
3261 p = strrchr(star_match[1], '(');
3268 Colorize(ColorChannel1, FALSE);
3269 curColor = ColorChannel1;
3271 Colorize(ColorChannel, FALSE);
3272 curColor = ColorChannel;
3276 curColor = ColorNormal;
3280 if (started == STARTED_NONE && appData.autoComment &&
3281 (gameMode == IcsObserving ||
3282 gameMode == IcsPlayingWhite ||
3283 gameMode == IcsPlayingBlack)) {
3284 parse_pos = i - oldi;
3285 memcpy(parse, &buf[oldi], parse_pos);
3286 parse[parse_pos] = NULLCHAR;
3287 started = STARTED_COMMENT;
3288 savingComment = TRUE;
3290 started = STARTED_CHATTER;
3291 savingComment = FALSE;
3298 if (looking_at(buf, &i, "* s-shouts: ") ||
3299 looking_at(buf, &i, "* c-shouts: ")) {
3300 if (appData.colorize) {
3301 if (oldi > next_out) {
3302 SendToPlayer(&buf[next_out], oldi - next_out);
3305 Colorize(ColorSShout, FALSE);
3306 curColor = ColorSShout;
3309 started = STARTED_CHATTER;
3313 if (looking_at(buf, &i, "--->")) {
3318 if (looking_at(buf, &i, "* shouts: ") ||
3319 looking_at(buf, &i, "--> ")) {
3320 if (appData.colorize) {
3321 if (oldi > next_out) {
3322 SendToPlayer(&buf[next_out], oldi - next_out);
3325 Colorize(ColorShout, FALSE);
3326 curColor = ColorShout;
3329 started = STARTED_CHATTER;
3333 if (looking_at( buf, &i, "Challenge:")) {
3334 if (appData.colorize) {
3335 if (oldi > next_out) {
3336 SendToPlayer(&buf[next_out], oldi - next_out);
3339 Colorize(ColorChallenge, FALSE);
3340 curColor = ColorChallenge;
3346 if (looking_at(buf, &i, "* offers you") ||
3347 looking_at(buf, &i, "* offers to be") ||
3348 looking_at(buf, &i, "* would like to") ||
3349 looking_at(buf, &i, "* requests to") ||
3350 looking_at(buf, &i, "Your opponent offers") ||
3351 looking_at(buf, &i, "Your opponent requests")) {
3353 if (appData.colorize) {
3354 if (oldi > next_out) {
3355 SendToPlayer(&buf[next_out], oldi - next_out);
3358 Colorize(ColorRequest, FALSE);
3359 curColor = ColorRequest;
3364 if (looking_at(buf, &i, "* (*) seeking")) {
3365 if (appData.colorize) {
3366 if (oldi > next_out) {
3367 SendToPlayer(&buf[next_out], oldi - next_out);
3370 Colorize(ColorSeek, FALSE);
3371 curColor = ColorSeek;
3376 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3378 if (looking_at(buf, &i, "\\ ")) {
3379 if (prevColor != ColorNormal) {
3380 if (oldi > next_out) {
3381 SendToPlayer(&buf[next_out], oldi - next_out);
3384 Colorize(prevColor, TRUE);
3385 curColor = prevColor;
3387 if (savingComment) {
3388 parse_pos = i - oldi;
3389 memcpy(parse, &buf[oldi], parse_pos);
3390 parse[parse_pos] = NULLCHAR;
3391 started = STARTED_COMMENT;
3392 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3393 chattingPartner = savingComment - 3; // kludge to remember the box
3395 started = STARTED_CHATTER;
3400 if (looking_at(buf, &i, "Black Strength :") ||
3401 looking_at(buf, &i, "<<< style 10 board >>>") ||
3402 looking_at(buf, &i, "<10>") ||
3403 looking_at(buf, &i, "#@#")) {
3404 /* Wrong board style */
3406 SendToICS(ics_prefix);
3407 SendToICS("set style 12\n");
3408 SendToICS(ics_prefix);
3409 SendToICS("refresh\n");
3413 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3415 have_sent_ICS_logon = 1;
3419 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3420 (looking_at(buf, &i, "\n<12> ") ||
3421 looking_at(buf, &i, "<12> "))) {
3423 if (oldi > next_out) {
3424 SendToPlayer(&buf[next_out], oldi - next_out);
3427 started = STARTED_BOARD;
3432 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3433 looking_at(buf, &i, "<b1> ")) {
3434 if (oldi > next_out) {
3435 SendToPlayer(&buf[next_out], oldi - next_out);
3438 started = STARTED_HOLDINGS;
3443 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3445 /* Header for a move list -- first line */
3447 switch (ics_getting_history) {
3451 case BeginningOfGame:
3452 /* User typed "moves" or "oldmoves" while we
3453 were idle. Pretend we asked for these
3454 moves and soak them up so user can step
3455 through them and/or save them.
3458 gameMode = IcsObserving;
3461 ics_getting_history = H_GOT_UNREQ_HEADER;
3463 case EditGame: /*?*/
3464 case EditPosition: /*?*/
3465 /* Should above feature work in these modes too? */
3466 /* For now it doesn't */
3467 ics_getting_history = H_GOT_UNWANTED_HEADER;
3470 ics_getting_history = H_GOT_UNWANTED_HEADER;
3475 /* Is this the right one? */
3476 if (gameInfo.white && gameInfo.black &&
3477 strcmp(gameInfo.white, star_match[0]) == 0 &&
3478 strcmp(gameInfo.black, star_match[2]) == 0) {
3480 ics_getting_history = H_GOT_REQ_HEADER;
3483 case H_GOT_REQ_HEADER:
3484 case H_GOT_UNREQ_HEADER:
3485 case H_GOT_UNWANTED_HEADER:
3486 case H_GETTING_MOVES:
3487 /* Should not happen */
3488 DisplayError(_("Error gathering move list: two headers"), 0);
3489 ics_getting_history = H_FALSE;
3493 /* Save player ratings into gameInfo if needed */
3494 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3495 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3496 (gameInfo.whiteRating == -1 ||
3497 gameInfo.blackRating == -1)) {
3499 gameInfo.whiteRating = string_to_rating(star_match[1]);
3500 gameInfo.blackRating = string_to_rating(star_match[3]);
3501 if (appData.debugMode)
3502 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3503 gameInfo.whiteRating, gameInfo.blackRating);
3508 if (looking_at(buf, &i,
3509 "* * match, initial time: * minute*, increment: * second")) {
3510 /* Header for a move list -- second line */
3511 /* Initial board will follow if this is a wild game */
3512 if (gameInfo.event != NULL) free(gameInfo.event);
3513 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3514 gameInfo.event = StrSave(str);
3515 /* [HGM] we switched variant. Translate boards if needed. */
3516 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3520 if (looking_at(buf, &i, "Move ")) {
3521 /* Beginning of a move list */
3522 switch (ics_getting_history) {
3524 /* Normally should not happen */
3525 /* Maybe user hit reset while we were parsing */
3528 /* Happens if we are ignoring a move list that is not
3529 * the one we just requested. Common if the user
3530 * tries to observe two games without turning off
3533 case H_GETTING_MOVES:
3534 /* Should not happen */
3535 DisplayError(_("Error gathering move list: nested"), 0);
3536 ics_getting_history = H_FALSE;
3538 case H_GOT_REQ_HEADER:
3539 ics_getting_history = H_GETTING_MOVES;
3540 started = STARTED_MOVES;
3542 if (oldi > next_out) {
3543 SendToPlayer(&buf[next_out], oldi - next_out);
3546 case H_GOT_UNREQ_HEADER:
3547 ics_getting_history = H_GETTING_MOVES;
3548 started = STARTED_MOVES_NOHIDE;
3551 case H_GOT_UNWANTED_HEADER:
3552 ics_getting_history = H_FALSE;
3558 if (looking_at(buf, &i, "% ") ||
3559 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3560 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3561 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3562 soughtPending = FALSE;
3566 if(suppressKibitz) next_out = i;
3567 savingComment = FALSE;
3571 case STARTED_MOVES_NOHIDE:
3572 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3573 parse[parse_pos + i - oldi] = NULLCHAR;
3574 ParseGameHistory(parse);
3576 if (appData.zippyPlay && first.initDone) {
3577 FeedMovesToProgram(&first, forwardMostMove);
3578 if (gameMode == IcsPlayingWhite) {
3579 if (WhiteOnMove(forwardMostMove)) {
3580 if (first.sendTime) {
3581 if (first.useColors) {
3582 SendToProgram("black\n", &first);
3584 SendTimeRemaining(&first, TRUE);
3586 if (first.useColors) {
3587 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3589 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3590 first.maybeThinking = TRUE;
3592 if (first.usePlayother) {
3593 if (first.sendTime) {
3594 SendTimeRemaining(&first, TRUE);
3596 SendToProgram("playother\n", &first);
3602 } else if (gameMode == IcsPlayingBlack) {
3603 if (!WhiteOnMove(forwardMostMove)) {
3604 if (first.sendTime) {
3605 if (first.useColors) {
3606 SendToProgram("white\n", &first);
3608 SendTimeRemaining(&first, FALSE);
3610 if (first.useColors) {
3611 SendToProgram("black\n", &first);
3613 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3614 first.maybeThinking = TRUE;
3616 if (first.usePlayother) {
3617 if (first.sendTime) {
3618 SendTimeRemaining(&first, FALSE);
3620 SendToProgram("playother\n", &first);
3629 if (gameMode == IcsObserving && ics_gamenum == -1) {
3630 /* Moves came from oldmoves or moves command
3631 while we weren't doing anything else.
3633 currentMove = forwardMostMove;
3634 ClearHighlights();/*!!could figure this out*/
3635 flipView = appData.flipView;
3636 DrawPosition(TRUE, boards[currentMove]);
3637 DisplayBothClocks();
3638 snprintf(str, MSG_SIZ, "%s vs. %s",
3639 gameInfo.white, gameInfo.black);
3643 /* Moves were history of an active game */
3644 if (gameInfo.resultDetails != NULL) {
3645 free(gameInfo.resultDetails);
3646 gameInfo.resultDetails = NULL;
3649 HistorySet(parseList, backwardMostMove,
3650 forwardMostMove, currentMove-1);
3651 DisplayMove(currentMove - 1);
3652 if (started == STARTED_MOVES) next_out = i;
3653 started = STARTED_NONE;
3654 ics_getting_history = H_FALSE;
3657 case STARTED_OBSERVE:
3658 started = STARTED_NONE;
3659 SendToICS(ics_prefix);
3660 SendToICS("refresh\n");
3666 if(bookHit) { // [HGM] book: simulate book reply
3667 static char bookMove[MSG_SIZ]; // a bit generous?
3669 programStats.nodes = programStats.depth = programStats.time =
3670 programStats.score = programStats.got_only_move = 0;
3671 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3673 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3674 strcat(bookMove, bookHit);
3675 HandleMachineMove(bookMove, &first);
3680 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3681 started == STARTED_HOLDINGS ||
3682 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3683 /* Accumulate characters in move list or board */
3684 parse[parse_pos++] = buf[i];
3687 /* Start of game messages. Mostly we detect start of game
3688 when the first board image arrives. On some versions
3689 of the ICS, though, we need to do a "refresh" after starting
3690 to observe in order to get the current board right away. */
3691 if (looking_at(buf, &i, "Adding game * to observation list")) {
3692 started = STARTED_OBSERVE;
3696 /* Handle auto-observe */
3697 if (appData.autoObserve &&
3698 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3699 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3701 /* Choose the player that was highlighted, if any. */
3702 if (star_match[0][0] == '\033' ||
3703 star_match[1][0] != '\033') {
3704 player = star_match[0];
3706 player = star_match[2];
3708 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3709 ics_prefix, StripHighlightAndTitle(player));
3712 /* Save ratings from notify string */
3713 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3714 player1Rating = string_to_rating(star_match[1]);
3715 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3716 player2Rating = string_to_rating(star_match[3]);
3718 if (appData.debugMode)
3720 "Ratings from 'Game notification:' %s %d, %s %d\n",
3721 player1Name, player1Rating,
3722 player2Name, player2Rating);
3727 /* Deal with automatic examine mode after a game,
3728 and with IcsObserving -> IcsExamining transition */
3729 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3730 looking_at(buf, &i, "has made you an examiner of game *")) {
3732 int gamenum = atoi(star_match[0]);
3733 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3734 gamenum == ics_gamenum) {
3735 /* We were already playing or observing this game;
3736 no need to refetch history */
3737 gameMode = IcsExamining;
3739 pauseExamForwardMostMove = forwardMostMove;
3740 } else if (currentMove < forwardMostMove) {
3741 ForwardInner(forwardMostMove);
3744 /* I don't think this case really can happen */
3745 SendToICS(ics_prefix);
3746 SendToICS("refresh\n");
3751 /* Error messages */
3752 // if (ics_user_moved) {
3753 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3754 if (looking_at(buf, &i, "Illegal move") ||
3755 looking_at(buf, &i, "Not a legal move") ||
3756 looking_at(buf, &i, "Your king is in check") ||
3757 looking_at(buf, &i, "It isn't your turn") ||
3758 looking_at(buf, &i, "It is not your move")) {
3760 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3761 currentMove = forwardMostMove-1;
3762 DisplayMove(currentMove - 1); /* before DMError */
3763 DrawPosition(FALSE, boards[currentMove]);
3764 SwitchClocks(forwardMostMove-1); // [HGM] race
3765 DisplayBothClocks();
3767 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3773 if (looking_at(buf, &i, "still have time") ||
3774 looking_at(buf, &i, "not out of time") ||
3775 looking_at(buf, &i, "either player is out of time") ||
3776 looking_at(buf, &i, "has timeseal; checking")) {
3777 /* We must have called his flag a little too soon */
3778 whiteFlag = blackFlag = FALSE;
3782 if (looking_at(buf, &i, "added * seconds to") ||
3783 looking_at(buf, &i, "seconds were added to")) {
3784 /* Update the clocks */
3785 SendToICS(ics_prefix);
3786 SendToICS("refresh\n");
3790 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3791 ics_clock_paused = TRUE;
3796 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3797 ics_clock_paused = FALSE;
3802 /* Grab player ratings from the Creating: message.
3803 Note we have to check for the special case when
3804 the ICS inserts things like [white] or [black]. */
3805 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3806 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3808 0 player 1 name (not necessarily white)
3810 2 empty, white, or black (IGNORED)
3811 3 player 2 name (not necessarily black)
3814 The names/ratings are sorted out when the game
3815 actually starts (below).
3817 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3818 player1Rating = string_to_rating(star_match[1]);
3819 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3820 player2Rating = string_to_rating(star_match[4]);
3822 if (appData.debugMode)
3824 "Ratings from 'Creating:' %s %d, %s %d\n",
3825 player1Name, player1Rating,
3826 player2Name, player2Rating);
3831 /* Improved generic start/end-of-game messages */
3832 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3833 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3834 /* If tkind == 0: */
3835 /* star_match[0] is the game number */
3836 /* [1] is the white player's name */
3837 /* [2] is the black player's name */
3838 /* For end-of-game: */
3839 /* [3] is the reason for the game end */
3840 /* [4] is a PGN end game-token, preceded by " " */
3841 /* For start-of-game: */
3842 /* [3] begins with "Creating" or "Continuing" */
3843 /* [4] is " *" or empty (don't care). */
3844 int gamenum = atoi(star_match[0]);
3845 char *whitename, *blackname, *why, *endtoken;
3846 ChessMove endtype = EndOfFile;
3849 whitename = star_match[1];
3850 blackname = star_match[2];
3851 why = star_match[3];
3852 endtoken = star_match[4];
3854 whitename = star_match[1];
3855 blackname = star_match[3];
3856 why = star_match[5];
3857 endtoken = star_match[6];
3860 /* Game start messages */
3861 if (strncmp(why, "Creating ", 9) == 0 ||
3862 strncmp(why, "Continuing ", 11) == 0) {
3863 gs_gamenum = gamenum;
3864 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3865 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3867 if (appData.zippyPlay) {
3868 ZippyGameStart(whitename, blackname);
3871 partnerBoardValid = FALSE; // [HGM] bughouse
3875 /* Game end messages */
3876 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3877 ics_gamenum != gamenum) {
3880 while (endtoken[0] == ' ') endtoken++;
3881 switch (endtoken[0]) {
3884 endtype = GameUnfinished;
3887 endtype = BlackWins;
3890 if (endtoken[1] == '/')
3891 endtype = GameIsDrawn;
3893 endtype = WhiteWins;
3896 GameEnds(endtype, why, GE_ICS);
3898 if (appData.zippyPlay && first.initDone) {
3899 ZippyGameEnd(endtype, why);
3900 if (first.pr == NoProc) {
3901 /* Start the next process early so that we'll
3902 be ready for the next challenge */
3903 StartChessProgram(&first);
3905 /* Send "new" early, in case this command takes
3906 a long time to finish, so that we'll be ready
3907 for the next challenge. */
3908 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3912 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3916 if (looking_at(buf, &i, "Removing game * from observation") ||
3917 looking_at(buf, &i, "no longer observing game *") ||
3918 looking_at(buf, &i, "Game * (*) has no examiners")) {
3919 if (gameMode == IcsObserving &&
3920 atoi(star_match[0]) == ics_gamenum)
3922 /* icsEngineAnalyze */
3923 if (appData.icsEngineAnalyze) {
3930 ics_user_moved = FALSE;
3935 if (looking_at(buf, &i, "no longer examining game *")) {
3936 if (gameMode == IcsExamining &&
3937 atoi(star_match[0]) == ics_gamenum)
3941 ics_user_moved = FALSE;
3946 /* Advance leftover_start past any newlines we find,
3947 so only partial lines can get reparsed */
3948 if (looking_at(buf, &i, "\n")) {
3949 prevColor = curColor;
3950 if (curColor != ColorNormal) {
3951 if (oldi > next_out) {
3952 SendToPlayer(&buf[next_out], oldi - next_out);
3955 Colorize(ColorNormal, FALSE);
3956 curColor = ColorNormal;
3958 if (started == STARTED_BOARD) {
3959 started = STARTED_NONE;
3960 parse[parse_pos] = NULLCHAR;
3961 ParseBoard12(parse);
3964 /* Send premove here */
3965 if (appData.premove) {
3967 if (currentMove == 0 &&
3968 gameMode == IcsPlayingWhite &&
3969 appData.premoveWhite) {
3970 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3971 if (appData.debugMode)
3972 fprintf(debugFP, "Sending premove:\n");
3974 } else if (currentMove == 1 &&
3975 gameMode == IcsPlayingBlack &&
3976 appData.premoveBlack) {
3977 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3978 if (appData.debugMode)
3979 fprintf(debugFP, "Sending premove:\n");
3981 } else if (gotPremove) {
3983 ClearPremoveHighlights();
3984 if (appData.debugMode)
3985 fprintf(debugFP, "Sending premove:\n");
3986 UserMoveEvent(premoveFromX, premoveFromY,
3987 premoveToX, premoveToY,
3992 /* Usually suppress following prompt */
3993 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3994 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3995 if (looking_at(buf, &i, "*% ")) {
3996 savingComment = FALSE;
4001 } else if (started == STARTED_HOLDINGS) {
4003 char new_piece[MSG_SIZ];
4004 started = STARTED_NONE;
4005 parse[parse_pos] = NULLCHAR;
4006 if (appData.debugMode)
4007 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4008 parse, currentMove);
4009 if (sscanf(parse, " game %d", &gamenum) == 1) {
4010 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4011 if (gameInfo.variant == VariantNormal) {
4012 /* [HGM] We seem to switch variant during a game!
4013 * Presumably no holdings were displayed, so we have
4014 * to move the position two files to the right to
4015 * create room for them!
4017 VariantClass newVariant;
4018 switch(gameInfo.boardWidth) { // base guess on board width
4019 case 9: newVariant = VariantShogi; break;
4020 case 10: newVariant = VariantGreat; break;
4021 default: newVariant = VariantCrazyhouse; break;
4023 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4024 /* Get a move list just to see the header, which
4025 will tell us whether this is really bug or zh */
4026 if (ics_getting_history == H_FALSE) {
4027 ics_getting_history = H_REQUESTED;
4028 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4032 new_piece[0] = NULLCHAR;
4033 sscanf(parse, "game %d white [%s black [%s <- %s",
4034 &gamenum, white_holding, black_holding,
4036 white_holding[strlen(white_holding)-1] = NULLCHAR;
4037 black_holding[strlen(black_holding)-1] = NULLCHAR;
4038 /* [HGM] copy holdings to board holdings area */
4039 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4040 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4041 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4043 if (appData.zippyPlay && first.initDone) {
4044 ZippyHoldings(white_holding, black_holding,
4048 if (tinyLayout || smallLayout) {
4049 char wh[16], bh[16];
4050 PackHolding(wh, white_holding);
4051 PackHolding(bh, black_holding);
4052 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4053 gameInfo.white, gameInfo.black);
4055 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4056 gameInfo.white, white_holding,
4057 gameInfo.black, black_holding);
4059 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4060 DrawPosition(FALSE, boards[currentMove]);
4062 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4063 sscanf(parse, "game %d white [%s black [%s <- %s",
4064 &gamenum, white_holding, black_holding,
4066 white_holding[strlen(white_holding)-1] = NULLCHAR;
4067 black_holding[strlen(black_holding)-1] = NULLCHAR;
4068 /* [HGM] copy holdings to partner-board holdings area */
4069 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4070 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4071 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4072 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4073 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4076 /* Suppress following prompt */
4077 if (looking_at(buf, &i, "*% ")) {
4078 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4079 savingComment = FALSE;
4087 i++; /* skip unparsed character and loop back */
4090 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4091 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4092 // SendToPlayer(&buf[next_out], i - next_out);
4093 started != STARTED_HOLDINGS && leftover_start > next_out) {
4094 SendToPlayer(&buf[next_out], leftover_start - next_out);
4098 leftover_len = buf_len - leftover_start;
4099 /* if buffer ends with something we couldn't parse,
4100 reparse it after appending the next read */
4102 } else if (count == 0) {
4103 RemoveInputSource(isr);
4104 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4106 DisplayFatalError(_("Error reading from ICS"), error, 1);
4111 /* Board style 12 looks like this:
4113 <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
4115 * The "<12> " is stripped before it gets to this routine. The two
4116 * trailing 0's (flip state and clock ticking) are later addition, and
4117 * some chess servers may not have them, or may have only the first.
4118 * Additional trailing fields may be added in the future.
4121 #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"
4123 #define RELATION_OBSERVING_PLAYED 0
4124 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4125 #define RELATION_PLAYING_MYMOVE 1
4126 #define RELATION_PLAYING_NOTMYMOVE -1
4127 #define RELATION_EXAMINING 2
4128 #define RELATION_ISOLATED_BOARD -3
4129 #define RELATION_STARTING_POSITION -4 /* FICS only */
4132 ParseBoard12(string)
4135 GameMode newGameMode;
4136 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4137 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4138 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4139 char to_play, board_chars[200];
4140 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4141 char black[32], white[32];
4143 int prevMove = currentMove;
4146 int fromX, fromY, toX, toY;
4148 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4149 char *bookHit = NULL; // [HGM] book
4150 Boolean weird = FALSE, reqFlag = FALSE;
4152 fromX = fromY = toX = toY = -1;
4156 if (appData.debugMode)
4157 fprintf(debugFP, _("Parsing board: %s\n"), string);
4159 move_str[0] = NULLCHAR;
4160 elapsed_time[0] = NULLCHAR;
4161 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4163 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4164 if(string[i] == ' ') { ranks++; files = 0; }
4166 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4169 for(j = 0; j <i; j++) board_chars[j] = string[j];
4170 board_chars[i] = '\0';
4173 n = sscanf(string, PATTERN, &to_play, &double_push,
4174 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4175 &gamenum, white, black, &relation, &basetime, &increment,
4176 &white_stren, &black_stren, &white_time, &black_time,
4177 &moveNum, str, elapsed_time, move_str, &ics_flip,
4181 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4182 DisplayError(str, 0);
4186 /* Convert the move number to internal form */
4187 moveNum = (moveNum - 1) * 2;
4188 if (to_play == 'B') moveNum++;
4189 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4190 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4196 case RELATION_OBSERVING_PLAYED:
4197 case RELATION_OBSERVING_STATIC:
4198 if (gamenum == -1) {
4199 /* Old ICC buglet */
4200 relation = RELATION_OBSERVING_STATIC;
4202 newGameMode = IcsObserving;
4204 case RELATION_PLAYING_MYMOVE:
4205 case RELATION_PLAYING_NOTMYMOVE:
4207 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4208 IcsPlayingWhite : IcsPlayingBlack;
4210 case RELATION_EXAMINING:
4211 newGameMode = IcsExamining;
4213 case RELATION_ISOLATED_BOARD:
4215 /* Just display this board. If user was doing something else,
4216 we will forget about it until the next board comes. */
4217 newGameMode = IcsIdle;
4219 case RELATION_STARTING_POSITION:
4220 newGameMode = gameMode;
4224 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4225 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4226 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4228 for (k = 0; k < ranks; k++) {
4229 for (j = 0; j < files; j++)
4230 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4231 if(gameInfo.holdingsWidth > 1) {
4232 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4233 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4236 CopyBoard(partnerBoard, board);
4237 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4238 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4239 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4240 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4241 if(toSqr = strchr(str, '-')) {
4242 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4243 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4244 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4245 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4246 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4247 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4248 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4249 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4250 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4251 DisplayMessage(partnerStatus, "");
4252 partnerBoardValid = TRUE;
4256 /* Modify behavior for initial board display on move listing
4259 switch (ics_getting_history) {
4263 case H_GOT_REQ_HEADER:
4264 case H_GOT_UNREQ_HEADER:
4265 /* This is the initial position of the current game */
4266 gamenum = ics_gamenum;
4267 moveNum = 0; /* old ICS bug workaround */
4268 if (to_play == 'B') {
4269 startedFromSetupPosition = TRUE;
4270 blackPlaysFirst = TRUE;
4272 if (forwardMostMove == 0) forwardMostMove = 1;
4273 if (backwardMostMove == 0) backwardMostMove = 1;
4274 if (currentMove == 0) currentMove = 1;
4276 newGameMode = gameMode;
4277 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4279 case H_GOT_UNWANTED_HEADER:
4280 /* This is an initial board that we don't want */
4282 case H_GETTING_MOVES:
4283 /* Should not happen */
4284 DisplayError(_("Error gathering move list: extra board"), 0);
4285 ics_getting_history = H_FALSE;
4289 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4290 weird && (int)gameInfo.variant < (int)VariantShogi) {
4291 /* [HGM] We seem to have switched variant unexpectedly
4292 * Try to guess new variant from board size
4294 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4295 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4296 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4297 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4298 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4299 if(!weird) newVariant = VariantNormal;
4300 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4301 /* Get a move list just to see the header, which
4302 will tell us whether this is really bug or zh */
4303 if (ics_getting_history == H_FALSE) {
4304 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4305 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4310 /* Take action if this is the first board of a new game, or of a
4311 different game than is currently being displayed. */
4312 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4313 relation == RELATION_ISOLATED_BOARD) {
4315 /* Forget the old game and get the history (if any) of the new one */
4316 if (gameMode != BeginningOfGame) {
4320 if (appData.autoRaiseBoard) BoardToTop();
4322 if (gamenum == -1) {
4323 newGameMode = IcsIdle;
4324 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4325 appData.getMoveList && !reqFlag) {
4326 /* Need to get game history */
4327 ics_getting_history = H_REQUESTED;
4328 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4332 /* Initially flip the board to have black on the bottom if playing
4333 black or if the ICS flip flag is set, but let the user change
4334 it with the Flip View button. */
4335 flipView = appData.autoFlipView ?
4336 (newGameMode == IcsPlayingBlack) || ics_flip :
4339 /* Done with values from previous mode; copy in new ones */
4340 gameMode = newGameMode;
4342 ics_gamenum = gamenum;
4343 if (gamenum == gs_gamenum) {
4344 int klen = strlen(gs_kind);
4345 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4346 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4347 gameInfo.event = StrSave(str);
4349 gameInfo.event = StrSave("ICS game");
4351 gameInfo.site = StrSave(appData.icsHost);
4352 gameInfo.date = PGNDate();
4353 gameInfo.round = StrSave("-");
4354 gameInfo.white = StrSave(white);
4355 gameInfo.black = StrSave(black);
4356 timeControl = basetime * 60 * 1000;
4358 timeIncrement = increment * 1000;
4359 movesPerSession = 0;
4360 gameInfo.timeControl = TimeControlTagValue();
4361 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4362 if (appData.debugMode) {
4363 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4364 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4365 setbuf(debugFP, NULL);
4368 gameInfo.outOfBook = NULL;
4370 /* Do we have the ratings? */
4371 if (strcmp(player1Name, white) == 0 &&
4372 strcmp(player2Name, black) == 0) {
4373 if (appData.debugMode)
4374 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4375 player1Rating, player2Rating);
4376 gameInfo.whiteRating = player1Rating;
4377 gameInfo.blackRating = player2Rating;
4378 } else if (strcmp(player2Name, white) == 0 &&
4379 strcmp(player1Name, black) == 0) {
4380 if (appData.debugMode)
4381 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4382 player2Rating, player1Rating);
4383 gameInfo.whiteRating = player2Rating;
4384 gameInfo.blackRating = player1Rating;
4386 player1Name[0] = player2Name[0] = NULLCHAR;
4388 /* Silence shouts if requested */
4389 if (appData.quietPlay &&
4390 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4391 SendToICS(ics_prefix);
4392 SendToICS("set shout 0\n");
4396 /* Deal with midgame name changes */
4398 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4399 if (gameInfo.white) free(gameInfo.white);
4400 gameInfo.white = StrSave(white);
4402 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4403 if (gameInfo.black) free(gameInfo.black);
4404 gameInfo.black = StrSave(black);
4408 /* Throw away game result if anything actually changes in examine mode */
4409 if (gameMode == IcsExamining && !newGame) {
4410 gameInfo.result = GameUnfinished;
4411 if (gameInfo.resultDetails != NULL) {
4412 free(gameInfo.resultDetails);
4413 gameInfo.resultDetails = NULL;
4417 /* In pausing && IcsExamining mode, we ignore boards coming
4418 in if they are in a different variation than we are. */
4419 if (pauseExamInvalid) return;
4420 if (pausing && gameMode == IcsExamining) {
4421 if (moveNum <= pauseExamForwardMostMove) {
4422 pauseExamInvalid = TRUE;
4423 forwardMostMove = pauseExamForwardMostMove;
4428 if (appData.debugMode) {
4429 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4431 /* Parse the board */
4432 for (k = 0; k < ranks; k++) {
4433 for (j = 0; j < files; j++)
4434 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4435 if(gameInfo.holdingsWidth > 1) {
4436 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4437 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4440 CopyBoard(boards[moveNum], board);
4441 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4443 startedFromSetupPosition =
4444 !CompareBoards(board, initialPosition);
4445 if(startedFromSetupPosition)
4446 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4449 /* [HGM] Set castling rights. Take the outermost Rooks,
4450 to make it also work for FRC opening positions. Note that board12
4451 is really defective for later FRC positions, as it has no way to
4452 indicate which Rook can castle if they are on the same side of King.
4453 For the initial position we grant rights to the outermost Rooks,
4454 and remember thos rights, and we then copy them on positions
4455 later in an FRC game. This means WB might not recognize castlings with
4456 Rooks that have moved back to their original position as illegal,
4457 but in ICS mode that is not its job anyway.
4459 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4460 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4462 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4463 if(board[0][i] == WhiteRook) j = i;
4464 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4465 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4466 if(board[0][i] == WhiteRook) j = i;
4467 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4468 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4469 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4470 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4471 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4472 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4473 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4475 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4476 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4477 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4478 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4479 if(board[BOARD_HEIGHT-1][k] == bKing)
4480 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4481 if(gameInfo.variant == VariantTwoKings) {
4482 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4483 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4484 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4487 r = boards[moveNum][CASTLING][0] = initialRights[0];
4488 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4489 r = boards[moveNum][CASTLING][1] = initialRights[1];
4490 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4491 r = boards[moveNum][CASTLING][3] = initialRights[3];
4492 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4493 r = boards[moveNum][CASTLING][4] = initialRights[4];
4494 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4495 /* wildcastle kludge: always assume King has rights */
4496 r = boards[moveNum][CASTLING][2] = initialRights[2];
4497 r = boards[moveNum][CASTLING][5] = initialRights[5];
4499 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4500 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4503 if (ics_getting_history == H_GOT_REQ_HEADER ||
4504 ics_getting_history == H_GOT_UNREQ_HEADER) {
4505 /* This was an initial position from a move list, not
4506 the current position */
4510 /* Update currentMove and known move number limits */
4511 newMove = newGame || moveNum > forwardMostMove;
4514 forwardMostMove = backwardMostMove = currentMove = moveNum;
4515 if (gameMode == IcsExamining && moveNum == 0) {
4516 /* Workaround for ICS limitation: we are not told the wild
4517 type when starting to examine a game. But if we ask for
4518 the move list, the move list header will tell us */
4519 ics_getting_history = H_REQUESTED;
4520 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4523 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4524 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4526 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4527 /* [HGM] applied this also to an engine that is silently watching */
4528 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4529 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4530 gameInfo.variant == currentlyInitializedVariant) {
4531 takeback = forwardMostMove - moveNum;
4532 for (i = 0; i < takeback; i++) {
4533 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4534 SendToProgram("undo\n", &first);
4539 forwardMostMove = moveNum;
4540 if (!pausing || currentMove > forwardMostMove)
4541 currentMove = forwardMostMove;
4543 /* New part of history that is not contiguous with old part */
4544 if (pausing && gameMode == IcsExamining) {
4545 pauseExamInvalid = TRUE;
4546 forwardMostMove = pauseExamForwardMostMove;
4549 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4551 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4552 // [HGM] when we will receive the move list we now request, it will be
4553 // fed to the engine from the first move on. So if the engine is not
4554 // in the initial position now, bring it there.
4555 InitChessProgram(&first, 0);
4558 ics_getting_history = H_REQUESTED;
4559 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4562 forwardMostMove = backwardMostMove = currentMove = moveNum;
4565 /* Update the clocks */
4566 if (strchr(elapsed_time, '.')) {
4568 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4569 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4571 /* Time is in seconds */
4572 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4573 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4578 if (appData.zippyPlay && newGame &&
4579 gameMode != IcsObserving && gameMode != IcsIdle &&
4580 gameMode != IcsExamining)
4581 ZippyFirstBoard(moveNum, basetime, increment);
4584 /* Put the move on the move list, first converting
4585 to canonical algebraic form. */
4587 if (appData.debugMode) {
4588 if (appData.debugMode) { int f = forwardMostMove;
4589 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4590 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4591 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4593 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4594 fprintf(debugFP, "moveNum = %d\n", moveNum);
4595 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4596 setbuf(debugFP, NULL);
4598 if (moveNum <= backwardMostMove) {
4599 /* We don't know what the board looked like before
4601 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4602 strcat(parseList[moveNum - 1], " ");
4603 strcat(parseList[moveNum - 1], elapsed_time);
4604 moveList[moveNum - 1][0] = NULLCHAR;
4605 } else if (strcmp(move_str, "none") == 0) {
4606 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4607 /* Again, we don't know what the board looked like;
4608 this is really the start of the game. */
4609 parseList[moveNum - 1][0] = NULLCHAR;
4610 moveList[moveNum - 1][0] = NULLCHAR;
4611 backwardMostMove = moveNum;
4612 startedFromSetupPosition = TRUE;
4613 fromX = fromY = toX = toY = -1;
4615 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4616 // So we parse the long-algebraic move string in stead of the SAN move
4617 int valid; char buf[MSG_SIZ], *prom;
4619 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4620 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4621 // str looks something like "Q/a1-a2"; kill the slash
4623 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4624 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4625 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4626 strcat(buf, prom); // long move lacks promo specification!
4627 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4628 if(appData.debugMode)
4629 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4630 safeStrCpy(move_str, buf, MSG_SIZ);
4632 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4633 &fromX, &fromY, &toX, &toY, &promoChar)
4634 || ParseOneMove(buf, moveNum - 1, &moveType,
4635 &fromX, &fromY, &toX, &toY, &promoChar);
4636 // end of long SAN patch
4638 (void) CoordsToAlgebraic(boards[moveNum - 1],
4639 PosFlags(moveNum - 1),
4640 fromY, fromX, toY, toX, promoChar,
4641 parseList[moveNum-1]);
4642 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4648 if(gameInfo.variant != VariantShogi)
4649 strcat(parseList[moveNum - 1], "+");
4652 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4653 strcat(parseList[moveNum - 1], "#");
4656 strcat(parseList[moveNum - 1], " ");
4657 strcat(parseList[moveNum - 1], elapsed_time);
4658 /* currentMoveString is set as a side-effect of ParseOneMove */
4659 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4660 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4661 strcat(moveList[moveNum - 1], "\n");
4663 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4664 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4665 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4666 ChessSquare old, new = boards[moveNum][k][j];
4667 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4668 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4669 if(old == new) continue;
4670 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4671 else if(new == WhiteWazir || new == BlackWazir) {
4672 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4673 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4674 else boards[moveNum][k][j] = old; // preserve type of Gold
4675 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4676 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4679 /* Move from ICS was illegal!? Punt. */
4680 if (appData.debugMode) {
4681 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4682 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4684 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4685 strcat(parseList[moveNum - 1], " ");
4686 strcat(parseList[moveNum - 1], elapsed_time);
4687 moveList[moveNum - 1][0] = NULLCHAR;
4688 fromX = fromY = toX = toY = -1;
4691 if (appData.debugMode) {
4692 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4693 setbuf(debugFP, NULL);
4697 /* Send move to chess program (BEFORE animating it). */
4698 if (appData.zippyPlay && !newGame && newMove &&
4699 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4701 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4702 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4703 if (moveList[moveNum - 1][0] == NULLCHAR) {
4704 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4706 DisplayError(str, 0);
4708 if (first.sendTime) {
4709 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4711 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4712 if (firstMove && !bookHit) {
4714 if (first.useColors) {
4715 SendToProgram(gameMode == IcsPlayingWhite ?
4717 "black\ngo\n", &first);
4719 SendToProgram("go\n", &first);
4721 first.maybeThinking = TRUE;
4724 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4725 if (moveList[moveNum - 1][0] == NULLCHAR) {
4726 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4727 DisplayError(str, 0);
4729 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4730 SendMoveToProgram(moveNum - 1, &first);
4737 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4738 /* If move comes from a remote source, animate it. If it
4739 isn't remote, it will have already been animated. */
4740 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4741 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4743 if (!pausing && appData.highlightLastMove) {
4744 SetHighlights(fromX, fromY, toX, toY);
4748 /* Start the clocks */
4749 whiteFlag = blackFlag = FALSE;
4750 appData.clockMode = !(basetime == 0 && increment == 0);
4752 ics_clock_paused = TRUE;
4754 } else if (ticking == 1) {
4755 ics_clock_paused = FALSE;
4757 if (gameMode == IcsIdle ||
4758 relation == RELATION_OBSERVING_STATIC ||
4759 relation == RELATION_EXAMINING ||
4761 DisplayBothClocks();
4765 /* Display opponents and material strengths */
4766 if (gameInfo.variant != VariantBughouse &&
4767 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4768 if (tinyLayout || smallLayout) {
4769 if(gameInfo.variant == VariantNormal)
4770 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4771 gameInfo.white, white_stren, gameInfo.black, black_stren,
4772 basetime, increment);
4774 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4775 gameInfo.white, white_stren, gameInfo.black, black_stren,
4776 basetime, increment, (int) gameInfo.variant);
4778 if(gameInfo.variant == VariantNormal)
4779 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4780 gameInfo.white, white_stren, gameInfo.black, black_stren,
4781 basetime, increment);
4783 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4784 gameInfo.white, white_stren, gameInfo.black, black_stren,
4785 basetime, increment, VariantName(gameInfo.variant));
4788 if (appData.debugMode) {
4789 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4794 /* Display the board */
4795 if (!pausing && !appData.noGUI) {
4797 if (appData.premove)
4799 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4800 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4801 ClearPremoveHighlights();
4803 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4804 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4805 DrawPosition(j, boards[currentMove]);
4807 DisplayMove(moveNum - 1);
4808 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4809 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4810 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4811 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4815 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4817 if(bookHit) { // [HGM] book: simulate book reply
4818 static char bookMove[MSG_SIZ]; // a bit generous?
4820 programStats.nodes = programStats.depth = programStats.time =
4821 programStats.score = programStats.got_only_move = 0;
4822 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4824 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4825 strcat(bookMove, bookHit);
4826 HandleMachineMove(bookMove, &first);
4835 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4836 ics_getting_history = H_REQUESTED;
4837 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4843 AnalysisPeriodicEvent(force)
4846 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4847 && !force) || !appData.periodicUpdates)
4850 /* Send . command to Crafty to collect stats */
4851 SendToProgram(".\n", &first);
4853 /* Don't send another until we get a response (this makes
4854 us stop sending to old Crafty's which don't understand
4855 the "." command (sending illegal cmds resets node count & time,
4856 which looks bad)) */
4857 programStats.ok_to_send = 0;
4860 void ics_update_width(new_width)
4863 ics_printf("set width %d\n", new_width);
4867 SendMoveToProgram(moveNum, cps)
4869 ChessProgramState *cps;
4873 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4874 // null move in variant where engine does not understand it (for analysis purposes)
4875 SendBoard(cps, moveNum + 1); // send position after move in stead.
4878 if (cps->useUsermove) {
4879 SendToProgram("usermove ", cps);
4883 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4884 int len = space - parseList[moveNum];
4885 memcpy(buf, parseList[moveNum], len);
4887 buf[len] = NULLCHAR;
4889 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4891 SendToProgram(buf, cps);
4893 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4894 AlphaRank(moveList[moveNum], 4);
4895 SendToProgram(moveList[moveNum], cps);
4896 AlphaRank(moveList[moveNum], 4); // and back
4898 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4899 * the engine. It would be nice to have a better way to identify castle
4901 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4902 && cps->useOOCastle) {
4903 int fromX = moveList[moveNum][0] - AAA;
4904 int fromY = moveList[moveNum][1] - ONE;
4905 int toX = moveList[moveNum][2] - AAA;
4906 int toY = moveList[moveNum][3] - ONE;
4907 if((boards[moveNum][fromY][fromX] == WhiteKing
4908 && boards[moveNum][toY][toX] == WhiteRook)
4909 || (boards[moveNum][fromY][fromX] == BlackKing
4910 && boards[moveNum][toY][toX] == BlackRook)) {
4911 if(toX > fromX) SendToProgram("O-O\n", cps);
4912 else SendToProgram("O-O-O\n", cps);
4914 else SendToProgram(moveList[moveNum], cps);
4916 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4917 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4918 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4919 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4920 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4922 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4923 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4924 SendToProgram(buf, cps);
4926 else SendToProgram(moveList[moveNum], cps);
4927 /* End of additions by Tord */
4930 /* [HGM] setting up the opening has brought engine in force mode! */
4931 /* Send 'go' if we are in a mode where machine should play. */
4932 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4933 (gameMode == TwoMachinesPlay ||
4935 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4937 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4938 SendToProgram("go\n", cps);
4939 if (appData.debugMode) {
4940 fprintf(debugFP, "(extra)\n");
4943 setboardSpoiledMachineBlack = 0;
4947 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4949 int fromX, fromY, toX, toY;
4952 char user_move[MSG_SIZ];
4956 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4957 (int)moveType, fromX, fromY, toX, toY);
4958 DisplayError(user_move + strlen("say "), 0);
4960 case WhiteKingSideCastle:
4961 case BlackKingSideCastle:
4962 case WhiteQueenSideCastleWild:
4963 case BlackQueenSideCastleWild:
4965 case WhiteHSideCastleFR:
4966 case BlackHSideCastleFR:
4968 snprintf(user_move, MSG_SIZ, "o-o\n");
4970 case WhiteQueenSideCastle:
4971 case BlackQueenSideCastle:
4972 case WhiteKingSideCastleWild:
4973 case BlackKingSideCastleWild:
4975 case WhiteASideCastleFR:
4976 case BlackASideCastleFR:
4978 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4980 case WhiteNonPromotion:
4981 case BlackNonPromotion:
4982 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4984 case WhitePromotion:
4985 case BlackPromotion:
4986 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4987 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4988 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4989 PieceToChar(WhiteFerz));
4990 else if(gameInfo.variant == VariantGreat)
4991 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4992 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4993 PieceToChar(WhiteMan));
4995 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4996 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5002 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5003 ToUpper(PieceToChar((ChessSquare) fromX)),
5004 AAA + toX, ONE + toY);
5006 case IllegalMove: /* could be a variant we don't quite understand */
5007 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5009 case WhiteCapturesEnPassant:
5010 case BlackCapturesEnPassant:
5011 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5012 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5015 SendToICS(user_move);
5016 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5017 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5022 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5023 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5024 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5025 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5026 DisplayError("You cannot do this while you are playing or observing", 0);
5029 if(gameMode != IcsExamining) { // is this ever not the case?
5030 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5032 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5033 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5034 } else { // on FICS we must first go to general examine mode
5035 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5037 if(gameInfo.variant != VariantNormal) {
5038 // try figure out wild number, as xboard names are not always valid on ICS
5039 for(i=1; i<=36; i++) {
5040 snprintf(buf, MSG_SIZ, "wild/%d", i);
5041 if(StringToVariant(buf) == gameInfo.variant) break;
5043 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5044 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5045 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5046 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5047 SendToICS(ics_prefix);
5049 if(startedFromSetupPosition || backwardMostMove != 0) {
5050 fen = PositionToFEN(backwardMostMove, NULL);
5051 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5052 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5054 } else { // FICS: everything has to set by separate bsetup commands
5055 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5056 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5058 if(!WhiteOnMove(backwardMostMove)) {
5059 SendToICS("bsetup tomove black\n");
5061 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5062 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5064 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5065 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5067 i = boards[backwardMostMove][EP_STATUS];
5068 if(i >= 0) { // set e.p.
5069 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5075 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5076 SendToICS("bsetup done\n"); // switch to normal examining.
5078 for(i = backwardMostMove; i<last; i++) {
5080 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5083 SendToICS(ics_prefix);
5084 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5088 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5093 if (rf == DROP_RANK) {
5094 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5095 sprintf(move, "%c@%c%c\n",
5096 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5098 if (promoChar == 'x' || promoChar == NULLCHAR) {
5099 sprintf(move, "%c%c%c%c\n",
5100 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5102 sprintf(move, "%c%c%c%c%c\n",
5103 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5109 ProcessICSInitScript(f)
5114 while (fgets(buf, MSG_SIZ, f)) {
5115 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5122 static int lastX, lastY, selectFlag, dragging;
5127 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5128 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5129 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5130 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5131 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5132 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5135 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5136 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5137 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5138 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5139 if(!step) step = -1;
5140 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5141 appData.testLegality && (promoSweep == king ||
5142 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5143 ChangeDragPiece(promoSweep);
5146 int PromoScroll(int x, int y)
5150 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5151 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5152 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5153 if(!step) return FALSE;
5154 lastX = x; lastY = y;
5155 if((promoSweep < BlackPawn) == flipView) step = -step;
5156 if(step > 0) selectFlag = 1;
5157 if(!selectFlag) Sweep(step);
5164 ChessSquare piece = boards[currentMove][toY][toX];
5167 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5168 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5169 if(!step) step = -1;
5170 } while(PieceToChar(pieceSweep) == '.');
5171 boards[currentMove][toY][toX] = pieceSweep;
5172 DrawPosition(FALSE, boards[currentMove]);
5173 boards[currentMove][toY][toX] = piece;
5175 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5177 AlphaRank(char *move, int n)
5179 // char *p = move, c; int x, y;
5181 if (appData.debugMode) {
5182 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5186 move[2]>='0' && move[2]<='9' &&
5187 move[3]>='a' && move[3]<='x' ) {
5189 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5190 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5192 if(move[0]>='0' && move[0]<='9' &&
5193 move[1]>='a' && move[1]<='x' &&
5194 move[2]>='0' && move[2]<='9' &&
5195 move[3]>='a' && move[3]<='x' ) {
5196 /* input move, Shogi -> normal */
5197 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5198 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5199 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5200 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5203 move[3]>='0' && move[3]<='9' &&
5204 move[2]>='a' && move[2]<='x' ) {
5206 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5207 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5210 move[0]>='a' && move[0]<='x' &&
5211 move[3]>='0' && move[3]<='9' &&
5212 move[2]>='a' && move[2]<='x' ) {
5213 /* output move, normal -> Shogi */
5214 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5215 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5216 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5217 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5218 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5220 if (appData.debugMode) {
5221 fprintf(debugFP, " out = '%s'\n", move);
5225 char yy_textstr[8000];
5227 /* Parser for moves from gnuchess, ICS, or user typein box */
5229 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5232 ChessMove *moveType;
5233 int *fromX, *fromY, *toX, *toY;
5236 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5238 switch (*moveType) {
5239 case WhitePromotion:
5240 case BlackPromotion:
5241 case WhiteNonPromotion:
5242 case BlackNonPromotion:
5244 case WhiteCapturesEnPassant:
5245 case BlackCapturesEnPassant:
5246 case WhiteKingSideCastle:
5247 case WhiteQueenSideCastle:
5248 case BlackKingSideCastle:
5249 case BlackQueenSideCastle:
5250 case WhiteKingSideCastleWild:
5251 case WhiteQueenSideCastleWild:
5252 case BlackKingSideCastleWild:
5253 case BlackQueenSideCastleWild:
5254 /* Code added by Tord: */
5255 case WhiteHSideCastleFR:
5256 case WhiteASideCastleFR:
5257 case BlackHSideCastleFR:
5258 case BlackASideCastleFR:
5259 /* End of code added by Tord */
5260 case IllegalMove: /* bug or odd chess variant */
5261 *fromX = currentMoveString[0] - AAA;
5262 *fromY = currentMoveString[1] - ONE;
5263 *toX = currentMoveString[2] - AAA;
5264 *toY = currentMoveString[3] - ONE;
5265 *promoChar = currentMoveString[4];
5266 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5267 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5268 if (appData.debugMode) {
5269 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5271 *fromX = *fromY = *toX = *toY = 0;
5274 if (appData.testLegality) {
5275 return (*moveType != IllegalMove);
5277 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5278 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5283 *fromX = *moveType == WhiteDrop ?
5284 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5285 (int) CharToPiece(ToLower(currentMoveString[0]));
5287 *toX = currentMoveString[2] - AAA;
5288 *toY = currentMoveString[3] - ONE;
5289 *promoChar = NULLCHAR;
5293 case ImpossibleMove:
5303 if (appData.debugMode) {
5304 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5307 *fromX = *fromY = *toX = *toY = 0;
5308 *promoChar = NULLCHAR;
5313 Boolean pushed = FALSE;
5314 char *lastParseAttempt;
5317 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5318 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5319 int fromX, fromY, toX, toY; char promoChar;
5324 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5325 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5328 endPV = forwardMostMove;
5330 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5331 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5332 lastParseAttempt = pv;
5333 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5334 if(appData.debugMode){
5335 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
5337 if(!valid && nr == 0 &&
5338 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5339 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5340 // Hande case where played move is different from leading PV move
5341 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5342 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5343 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5344 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5345 endPV += 2; // if position different, keep this
5346 moveList[endPV-1][0] = fromX + AAA;
5347 moveList[endPV-1][1] = fromY + ONE;
5348 moveList[endPV-1][2] = toX + AAA;
5349 moveList[endPV-1][3] = toY + ONE;
5350 parseList[endPV-1][0] = NULLCHAR;
5351 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5354 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5355 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5356 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5357 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5358 valid++; // allow comments in PV
5362 if(endPV+1 > framePtr) break; // no space, truncate
5365 CopyBoard(boards[endPV], boards[endPV-1]);
5366 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5367 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5368 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5369 CoordsToAlgebraic(boards[endPV - 1],
5370 PosFlags(endPV - 1),
5371 fromY, fromX, toY, toX, promoChar,
5372 parseList[endPV - 1]);
5374 if(atEnd == 2) return; // used hidden, for PV conversion
5375 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5376 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5377 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5378 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5379 DrawPosition(TRUE, boards[currentMove]);
5383 MultiPV(ChessProgramState *cps)
5384 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5386 for(i=0; i<cps->nrOptions; i++)
5387 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5393 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5395 int startPV, multi, lineStart, origIndex = index;
5396 char *p, buf2[MSG_SIZ];
5398 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5399 lastX = x; lastY = y;
5400 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5401 lineStart = startPV = index;
5402 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5403 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5405 do{ while(buf[index] && buf[index] != '\n') index++;
5406 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5408 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5409 int n = first.option[multi].value;
5410 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5411 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5412 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5413 first.option[multi].value = n;
5417 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5418 *start = startPV; *end = index-1;
5425 static char buf[10*MSG_SIZ];
5426 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5428 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5429 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5430 for(i = forwardMostMove; i<endPV; i++){
5431 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5432 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5435 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5436 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5442 LoadPV(int x, int y)
5443 { // called on right mouse click to load PV
5444 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5445 lastX = x; lastY = y;
5446 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5453 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5454 if(endPV < 0) return;
5456 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5457 Boolean saveAnimate = appData.animate;
5459 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5460 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5461 } else storedGames--; // abandon shelved tail of original game
5464 forwardMostMove = currentMove;
5465 currentMove = oldFMM;
5466 appData.animate = FALSE;
5467 ToNrEvent(forwardMostMove);
5468 appData.animate = saveAnimate;
5470 currentMove = forwardMostMove;
5471 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5472 ClearPremoveHighlights();
5473 DrawPosition(TRUE, boards[currentMove]);
5477 MovePV(int x, int y, int h)
5478 { // step through PV based on mouse coordinates (called on mouse move)
5479 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5481 // we must somehow check if right button is still down (might be released off board!)
5482 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5483 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5484 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5486 lastX = x; lastY = y;
5488 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5489 if(endPV < 0) return;
5490 if(y < margin) step = 1; else
5491 if(y > h - margin) step = -1;
5492 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5493 currentMove += step;
5494 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5495 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5496 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5497 DrawPosition(FALSE, boards[currentMove]);
5501 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5502 // All positions will have equal probability, but the current method will not provide a unique
5503 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5509 int piecesLeft[(int)BlackPawn];
5510 int seed, nrOfShuffles;
5512 void GetPositionNumber()
5513 { // sets global variable seed
5516 seed = appData.defaultFrcPosition;
5517 if(seed < 0) { // randomize based on time for negative FRC position numbers
5518 for(i=0; i<50; i++) seed += random();
5519 seed = random() ^ random() >> 8 ^ random() << 8;
5520 if(seed<0) seed = -seed;
5524 int put(Board board, int pieceType, int rank, int n, int shade)
5525 // put the piece on the (n-1)-th empty squares of the given shade
5529 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5530 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5531 board[rank][i] = (ChessSquare) pieceType;
5532 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5534 piecesLeft[pieceType]--;
5542 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5543 // calculate where the next piece goes, (any empty square), and put it there
5547 i = seed % squaresLeft[shade];
5548 nrOfShuffles *= squaresLeft[shade];
5549 seed /= squaresLeft[shade];
5550 put(board, pieceType, rank, i, shade);
5553 void AddTwoPieces(Board board, int pieceType, int rank)
5554 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5556 int i, n=squaresLeft[ANY], j=n-1, k;
5558 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5559 i = seed % k; // pick one
5562 while(i >= j) i -= j--;
5563 j = n - 1 - j; i += j;
5564 put(board, pieceType, rank, j, ANY);
5565 put(board, pieceType, rank, i, ANY);
5568 void SetUpShuffle(Board board, int number)
5572 GetPositionNumber(); nrOfShuffles = 1;
5574 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5575 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5576 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5578 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5580 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5581 p = (int) board[0][i];
5582 if(p < (int) BlackPawn) piecesLeft[p] ++;
5583 board[0][i] = EmptySquare;
5586 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5587 // shuffles restricted to allow normal castling put KRR first
5588 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5589 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5590 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5591 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5592 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5593 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5594 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5595 put(board, WhiteRook, 0, 0, ANY);
5596 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5599 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5600 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5601 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5602 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5603 while(piecesLeft[p] >= 2) {
5604 AddOnePiece(board, p, 0, LITE);
5605 AddOnePiece(board, p, 0, DARK);
5607 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5610 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5611 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5612 // but we leave King and Rooks for last, to possibly obey FRC restriction
5613 if(p == (int)WhiteRook) continue;
5614 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5615 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5618 // now everything is placed, except perhaps King (Unicorn) and Rooks
5620 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5621 // Last King gets castling rights
5622 while(piecesLeft[(int)WhiteUnicorn]) {
5623 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5624 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5627 while(piecesLeft[(int)WhiteKing]) {
5628 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5629 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5634 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5635 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5638 // Only Rooks can be left; simply place them all
5639 while(piecesLeft[(int)WhiteRook]) {
5640 i = put(board, WhiteRook, 0, 0, ANY);
5641 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5644 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5646 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5649 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5650 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5653 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5656 int SetCharTable( char *table, const char * map )
5657 /* [HGM] moved here from winboard.c because of its general usefulness */
5658 /* Basically a safe strcpy that uses the last character as King */
5660 int result = FALSE; int NrPieces;
5662 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5663 && NrPieces >= 12 && !(NrPieces&1)) {
5664 int i; /* [HGM] Accept even length from 12 to 34 */
5666 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5667 for( i=0; i<NrPieces/2-1; i++ ) {
5669 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5671 table[(int) WhiteKing] = map[NrPieces/2-1];
5672 table[(int) BlackKing] = map[NrPieces-1];
5680 void Prelude(Board board)
5681 { // [HGM] superchess: random selection of exo-pieces
5682 int i, j, k; ChessSquare p;
5683 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5685 GetPositionNumber(); // use FRC position number
5687 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5688 SetCharTable(pieceToChar, appData.pieceToCharTable);
5689 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5690 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5693 j = seed%4; seed /= 4;
5694 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5695 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5696 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5697 j = seed%3 + (seed%3 >= j); seed /= 3;
5698 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5699 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5700 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5701 j = seed%3; seed /= 3;
5702 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5703 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5704 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5705 j = seed%2 + (seed%2 >= j); seed /= 2;
5706 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5707 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5708 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5709 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5710 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5711 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5712 put(board, exoPieces[0], 0, 0, ANY);
5713 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5717 InitPosition(redraw)
5720 ChessSquare (* pieces)[BOARD_FILES];
5721 int i, j, pawnRow, overrule,
5722 oldx = gameInfo.boardWidth,
5723 oldy = gameInfo.boardHeight,
5724 oldh = gameInfo.holdingsWidth;
5727 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5729 /* [AS] Initialize pv info list [HGM] and game status */
5731 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5732 pvInfoList[i].depth = 0;
5733 boards[i][EP_STATUS] = EP_NONE;
5734 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5737 initialRulePlies = 0; /* 50-move counter start */
5739 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5740 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5744 /* [HGM] logic here is completely changed. In stead of full positions */
5745 /* the initialized data only consist of the two backranks. The switch */
5746 /* selects which one we will use, which is than copied to the Board */
5747 /* initialPosition, which for the rest is initialized by Pawns and */
5748 /* empty squares. This initial position is then copied to boards[0], */
5749 /* possibly after shuffling, so that it remains available. */
5751 gameInfo.holdingsWidth = 0; /* default board sizes */
5752 gameInfo.boardWidth = 8;
5753 gameInfo.boardHeight = 8;
5754 gameInfo.holdingsSize = 0;
5755 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5756 for(i=0; i<BOARD_FILES-2; i++)
5757 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5758 initialPosition[EP_STATUS] = EP_NONE;
5759 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5760 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5761 SetCharTable(pieceNickName, appData.pieceNickNames);
5762 else SetCharTable(pieceNickName, "............");
5765 switch (gameInfo.variant) {
5766 case VariantFischeRandom:
5767 shuffleOpenings = TRUE;
5770 case VariantShatranj:
5771 pieces = ShatranjArray;
5772 nrCastlingRights = 0;
5773 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5776 pieces = makrukArray;
5777 nrCastlingRights = 0;
5778 startedFromSetupPosition = TRUE;
5779 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5781 case VariantTwoKings:
5782 pieces = twoKingsArray;
5785 pieces = GrandArray;
5786 nrCastlingRights = 0;
5787 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5788 gameInfo.boardWidth = 10;
5789 gameInfo.boardHeight = 10;
5790 gameInfo.holdingsSize = 7;
5792 case VariantCapaRandom:
5793 shuffleOpenings = TRUE;
5794 case VariantCapablanca:
5795 pieces = CapablancaArray;
5796 gameInfo.boardWidth = 10;
5797 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5800 pieces = GothicArray;
5801 gameInfo.boardWidth = 10;
5802 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5805 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5806 gameInfo.holdingsSize = 7;
5809 pieces = JanusArray;
5810 gameInfo.boardWidth = 10;
5811 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5812 nrCastlingRights = 6;
5813 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5814 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5815 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5816 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5817 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5818 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5821 pieces = FalconArray;
5822 gameInfo.boardWidth = 10;
5823 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5825 case VariantXiangqi:
5826 pieces = XiangqiArray;
5827 gameInfo.boardWidth = 9;
5828 gameInfo.boardHeight = 10;
5829 nrCastlingRights = 0;
5830 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5833 pieces = ShogiArray;
5834 gameInfo.boardWidth = 9;
5835 gameInfo.boardHeight = 9;
5836 gameInfo.holdingsSize = 7;
5837 nrCastlingRights = 0;
5838 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5840 case VariantCourier:
5841 pieces = CourierArray;
5842 gameInfo.boardWidth = 12;
5843 nrCastlingRights = 0;
5844 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5846 case VariantKnightmate:
5847 pieces = KnightmateArray;
5848 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5850 case VariantSpartan:
5851 pieces = SpartanArray;
5852 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5855 pieces = fairyArray;
5856 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5859 pieces = GreatArray;
5860 gameInfo.boardWidth = 10;
5861 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5862 gameInfo.holdingsSize = 8;
5866 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5867 gameInfo.holdingsSize = 8;
5868 startedFromSetupPosition = TRUE;
5870 case VariantCrazyhouse:
5871 case VariantBughouse:
5873 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5874 gameInfo.holdingsSize = 5;
5876 case VariantWildCastle:
5878 /* !!?shuffle with kings guaranteed to be on d or e file */
5879 shuffleOpenings = 1;
5881 case VariantNoCastle:
5883 nrCastlingRights = 0;
5884 /* !!?unconstrained back-rank shuffle */
5885 shuffleOpenings = 1;
5890 if(appData.NrFiles >= 0) {
5891 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5892 gameInfo.boardWidth = appData.NrFiles;
5894 if(appData.NrRanks >= 0) {
5895 gameInfo.boardHeight = appData.NrRanks;
5897 if(appData.holdingsSize >= 0) {
5898 i = appData.holdingsSize;
5899 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5900 gameInfo.holdingsSize = i;
5902 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5903 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5904 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5906 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5907 if(pawnRow < 1) pawnRow = 1;
5908 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5910 /* User pieceToChar list overrules defaults */
5911 if(appData.pieceToCharTable != NULL)
5912 SetCharTable(pieceToChar, appData.pieceToCharTable);
5914 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5916 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5917 s = (ChessSquare) 0; /* account holding counts in guard band */
5918 for( i=0; i<BOARD_HEIGHT; i++ )
5919 initialPosition[i][j] = s;
5921 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5922 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5923 initialPosition[pawnRow][j] = WhitePawn;
5924 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5925 if(gameInfo.variant == VariantXiangqi) {
5927 initialPosition[pawnRow][j] =
5928 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5929 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5930 initialPosition[2][j] = WhiteCannon;
5931 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5935 if(gameInfo.variant == VariantGrand) {
5936 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5937 initialPosition[0][j] = WhiteRook;
5938 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5941 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5943 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5946 initialPosition[1][j] = WhiteBishop;
5947 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5949 initialPosition[1][j] = WhiteRook;
5950 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5953 if( nrCastlingRights == -1) {
5954 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5955 /* This sets default castling rights from none to normal corners */
5956 /* Variants with other castling rights must set them themselves above */
5957 nrCastlingRights = 6;
5959 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5960 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5961 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5962 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5963 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5964 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5967 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5968 if(gameInfo.variant == VariantGreat) { // promotion commoners
5969 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5970 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5971 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5972 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5974 if( gameInfo.variant == VariantSChess ) {
5975 initialPosition[1][0] = BlackMarshall;
5976 initialPosition[2][0] = BlackAngel;
5977 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5978 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5979 initialPosition[1][1] = initialPosition[2][1] =
5980 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5982 if (appData.debugMode) {
5983 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5985 if(shuffleOpenings) {
5986 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5987 startedFromSetupPosition = TRUE;
5989 if(startedFromPositionFile) {
5990 /* [HGM] loadPos: use PositionFile for every new game */
5991 CopyBoard(initialPosition, filePosition);
5992 for(i=0; i<nrCastlingRights; i++)
5993 initialRights[i] = filePosition[CASTLING][i];
5994 startedFromSetupPosition = TRUE;
5997 CopyBoard(boards[0], initialPosition);
5999 if(oldx != gameInfo.boardWidth ||
6000 oldy != gameInfo.boardHeight ||
6001 oldv != gameInfo.variant ||
6002 oldh != gameInfo.holdingsWidth
6004 InitDrawingSizes(-2 ,0);
6006 oldv = gameInfo.variant;
6008 DrawPosition(TRUE, boards[currentMove]);
6012 SendBoard(cps, moveNum)
6013 ChessProgramState *cps;
6016 char message[MSG_SIZ];
6018 if (cps->useSetboard) {
6019 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6020 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6021 SendToProgram(message, cps);
6027 /* Kludge to set black to move, avoiding the troublesome and now
6028 * deprecated "black" command.
6030 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6031 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6033 SendToProgram("edit\n", cps);
6034 SendToProgram("#\n", cps);
6035 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6036 bp = &boards[moveNum][i][BOARD_LEFT];
6037 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6038 if ((int) *bp < (int) BlackPawn) {
6039 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6041 if(message[0] == '+' || message[0] == '~') {
6042 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6043 PieceToChar((ChessSquare)(DEMOTED *bp)),
6046 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6047 message[1] = BOARD_RGHT - 1 - j + '1';
6048 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6050 SendToProgram(message, cps);
6055 SendToProgram("c\n", cps);
6056 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6057 bp = &boards[moveNum][i][BOARD_LEFT];
6058 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6059 if (((int) *bp != (int) EmptySquare)
6060 && ((int) *bp >= (int) BlackPawn)) {
6061 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6063 if(message[0] == '+' || message[0] == '~') {
6064 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6065 PieceToChar((ChessSquare)(DEMOTED *bp)),
6068 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6069 message[1] = BOARD_RGHT - 1 - j + '1';
6070 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6072 SendToProgram(message, cps);
6077 SendToProgram(".\n", cps);
6079 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6083 DefaultPromoChoice(int white)
6086 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6087 result = WhiteFerz; // no choice
6088 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6089 result= WhiteKing; // in Suicide Q is the last thing we want
6090 else if(gameInfo.variant == VariantSpartan)
6091 result = white ? WhiteQueen : WhiteAngel;
6092 else result = WhiteQueen;
6093 if(!white) result = WHITE_TO_BLACK result;
6097 static int autoQueen; // [HGM] oneclick
6100 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6102 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6103 /* [HGM] add Shogi promotions */
6104 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6109 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6110 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6112 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6113 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6116 piece = boards[currentMove][fromY][fromX];
6117 if(gameInfo.variant == VariantShogi) {
6118 promotionZoneSize = BOARD_HEIGHT/3;
6119 highestPromotingPiece = (int)WhiteFerz;
6120 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6121 promotionZoneSize = 3;
6124 // Treat Lance as Pawn when it is not representing Amazon
6125 if(gameInfo.variant != VariantSuper) {
6126 if(piece == WhiteLance) piece = WhitePawn; else
6127 if(piece == BlackLance) piece = BlackPawn;
6130 // next weed out all moves that do not touch the promotion zone at all
6131 if((int)piece >= BlackPawn) {
6132 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6134 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6136 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6137 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6140 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6142 // weed out mandatory Shogi promotions
6143 if(gameInfo.variant == VariantShogi) {
6144 if(piece >= BlackPawn) {
6145 if(toY == 0 && piece == BlackPawn ||
6146 toY == 0 && piece == BlackQueen ||
6147 toY <= 1 && piece == BlackKnight) {
6152 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6153 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6154 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6161 // weed out obviously illegal Pawn moves
6162 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6163 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6164 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6165 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6166 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6167 // note we are not allowed to test for valid (non-)capture, due to premove
6170 // we either have a choice what to promote to, or (in Shogi) whether to promote
6171 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6172 *promoChoice = PieceToChar(BlackFerz); // no choice
6175 // no sense asking what we must promote to if it is going to explode...
6176 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6177 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6180 // give caller the default choice even if we will not make it
6181 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6182 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6183 if( sweepSelect && gameInfo.variant != VariantGreat
6184 && gameInfo.variant != VariantGrand
6185 && gameInfo.variant != VariantSuper) return FALSE;
6186 if(autoQueen) return FALSE; // predetermined
6188 // suppress promotion popup on illegal moves that are not premoves
6189 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6190 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6191 if(appData.testLegality && !premove) {
6192 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6193 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6194 if(moveType != WhitePromotion && moveType != BlackPromotion)
6202 InPalace(row, column)
6204 { /* [HGM] for Xiangqi */
6205 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6206 column < (BOARD_WIDTH + 4)/2 &&
6207 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6212 PieceForSquare (x, y)
6216 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6219 return boards[currentMove][y][x];
6223 OKToStartUserMove(x, y)
6226 ChessSquare from_piece;
6229 if (matchMode) return FALSE;
6230 if (gameMode == EditPosition) return TRUE;
6232 if (x >= 0 && y >= 0)
6233 from_piece = boards[currentMove][y][x];
6235 from_piece = EmptySquare;
6237 if (from_piece == EmptySquare) return FALSE;
6239 white_piece = (int)from_piece >= (int)WhitePawn &&
6240 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6244 case TwoMachinesPlay:
6252 case MachinePlaysWhite:
6253 case IcsPlayingBlack:
6254 if (appData.zippyPlay) return FALSE;
6256 DisplayMoveError(_("You are playing Black"));
6261 case MachinePlaysBlack:
6262 case IcsPlayingWhite:
6263 if (appData.zippyPlay) return FALSE;
6265 DisplayMoveError(_("You are playing White"));
6270 case PlayFromGameFile:
6271 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6273 if (!white_piece && WhiteOnMove(currentMove)) {
6274 DisplayMoveError(_("It is White's turn"));
6277 if (white_piece && !WhiteOnMove(currentMove)) {
6278 DisplayMoveError(_("It is Black's turn"));
6281 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6282 /* Editing correspondence game history */
6283 /* Could disallow this or prompt for confirmation */
6288 case BeginningOfGame:
6289 if (appData.icsActive) return FALSE;
6290 if (!appData.noChessProgram) {
6292 DisplayMoveError(_("You are playing White"));
6299 if (!white_piece && WhiteOnMove(currentMove)) {
6300 DisplayMoveError(_("It is White's turn"));
6303 if (white_piece && !WhiteOnMove(currentMove)) {
6304 DisplayMoveError(_("It is Black's turn"));
6313 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6314 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6315 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6316 && gameMode != AnalyzeFile && gameMode != Training) {
6317 DisplayMoveError(_("Displayed position is not current"));
6324 OnlyMove(int *x, int *y, Boolean captures) {
6325 DisambiguateClosure cl;
6326 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6328 case MachinePlaysBlack:
6329 case IcsPlayingWhite:
6330 case BeginningOfGame:
6331 if(!WhiteOnMove(currentMove)) return FALSE;
6333 case MachinePlaysWhite:
6334 case IcsPlayingBlack:
6335 if(WhiteOnMove(currentMove)) return FALSE;
6342 cl.pieceIn = EmptySquare;
6347 cl.promoCharIn = NULLCHAR;
6348 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6349 if( cl.kind == NormalMove ||
6350 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6351 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6352 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6359 if(cl.kind != ImpossibleMove) return FALSE;
6360 cl.pieceIn = EmptySquare;
6365 cl.promoCharIn = NULLCHAR;
6366 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6367 if( cl.kind == NormalMove ||
6368 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6369 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6370 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6375 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6381 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6382 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6383 int lastLoadGameUseList = FALSE;
6384 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6385 ChessMove lastLoadGameStart = EndOfFile;
6388 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6389 int fromX, fromY, toX, toY;
6393 ChessSquare pdown, pup;
6395 /* Check if the user is playing in turn. This is complicated because we
6396 let the user "pick up" a piece before it is his turn. So the piece he
6397 tried to pick up may have been captured by the time he puts it down!
6398 Therefore we use the color the user is supposed to be playing in this
6399 test, not the color of the piece that is currently on the starting
6400 square---except in EditGame mode, where the user is playing both
6401 sides; fortunately there the capture race can't happen. (It can
6402 now happen in IcsExamining mode, but that's just too bad. The user
6403 will get a somewhat confusing message in that case.)
6408 case TwoMachinesPlay:
6412 /* We switched into a game mode where moves are not accepted,
6413 perhaps while the mouse button was down. */
6416 case MachinePlaysWhite:
6417 /* User is moving for Black */
6418 if (WhiteOnMove(currentMove)) {
6419 DisplayMoveError(_("It is White's turn"));
6424 case MachinePlaysBlack:
6425 /* User is moving for White */
6426 if (!WhiteOnMove(currentMove)) {
6427 DisplayMoveError(_("It is Black's turn"));
6432 case PlayFromGameFile:
6433 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6436 case BeginningOfGame:
6439 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6440 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6441 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6442 /* User is moving for Black */
6443 if (WhiteOnMove(currentMove)) {
6444 DisplayMoveError(_("It is White's turn"));
6448 /* User is moving for White */
6449 if (!WhiteOnMove(currentMove)) {
6450 DisplayMoveError(_("It is Black's turn"));
6456 case IcsPlayingBlack:
6457 /* User is moving for Black */
6458 if (WhiteOnMove(currentMove)) {
6459 if (!appData.premove) {
6460 DisplayMoveError(_("It is White's turn"));
6461 } else if (toX >= 0 && toY >= 0) {
6464 premoveFromX = fromX;
6465 premoveFromY = fromY;
6466 premovePromoChar = promoChar;
6468 if (appData.debugMode)
6469 fprintf(debugFP, "Got premove: fromX %d,"
6470 "fromY %d, toX %d, toY %d\n",
6471 fromX, fromY, toX, toY);
6477 case IcsPlayingWhite:
6478 /* User is moving for White */
6479 if (!WhiteOnMove(currentMove)) {
6480 if (!appData.premove) {
6481 DisplayMoveError(_("It is Black's turn"));
6482 } else if (toX >= 0 && toY >= 0) {
6485 premoveFromX = fromX;
6486 premoveFromY = fromY;
6487 premovePromoChar = promoChar;
6489 if (appData.debugMode)
6490 fprintf(debugFP, "Got premove: fromX %d,"
6491 "fromY %d, toX %d, toY %d\n",
6492 fromX, fromY, toX, toY);
6502 /* EditPosition, empty square, or different color piece;
6503 click-click move is possible */
6504 if (toX == -2 || toY == -2) {
6505 boards[0][fromY][fromX] = EmptySquare;
6506 DrawPosition(FALSE, boards[currentMove]);
6508 } else if (toX >= 0 && toY >= 0) {
6509 boards[0][toY][toX] = boards[0][fromY][fromX];
6510 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6511 if(boards[0][fromY][0] != EmptySquare) {
6512 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6513 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6516 if(fromX == BOARD_RGHT+1) {
6517 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6518 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6519 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6522 boards[0][fromY][fromX] = EmptySquare;
6523 DrawPosition(FALSE, boards[currentMove]);
6529 if(toX < 0 || toY < 0) return;
6530 pdown = boards[currentMove][fromY][fromX];
6531 pup = boards[currentMove][toY][toX];
6533 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6534 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6535 if( pup != EmptySquare ) return;
6536 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6537 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6538 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6539 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6540 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6541 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6542 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6546 /* [HGM] always test for legality, to get promotion info */
6547 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6548 fromY, fromX, toY, toX, promoChar);
6550 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6552 /* [HGM] but possibly ignore an IllegalMove result */
6553 if (appData.testLegality) {
6554 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6555 DisplayMoveError(_("Illegal move"));
6560 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6563 /* Common tail of UserMoveEvent and DropMenuEvent */
6565 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6567 int fromX, fromY, toX, toY;
6568 /*char*/int promoChar;
6572 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6573 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6574 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6575 if(WhiteOnMove(currentMove)) {
6576 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6578 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6582 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6583 move type in caller when we know the move is a legal promotion */
6584 if(moveType == NormalMove && promoChar)
6585 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6587 /* [HGM] <popupFix> The following if has been moved here from
6588 UserMoveEvent(). Because it seemed to belong here (why not allow
6589 piece drops in training games?), and because it can only be
6590 performed after it is known to what we promote. */
6591 if (gameMode == Training) {
6592 /* compare the move played on the board to the next move in the
6593 * game. If they match, display the move and the opponent's response.
6594 * If they don't match, display an error message.
6598 CopyBoard(testBoard, boards[currentMove]);
6599 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6601 if (CompareBoards(testBoard, boards[currentMove+1])) {
6602 ForwardInner(currentMove+1);
6604 /* Autoplay the opponent's response.
6605 * if appData.animate was TRUE when Training mode was entered,
6606 * the response will be animated.
6608 saveAnimate = appData.animate;
6609 appData.animate = animateTraining;
6610 ForwardInner(currentMove+1);
6611 appData.animate = saveAnimate;
6613 /* check for the end of the game */
6614 if (currentMove >= forwardMostMove) {
6615 gameMode = PlayFromGameFile;
6617 SetTrainingModeOff();
6618 DisplayInformation(_("End of game"));
6621 DisplayError(_("Incorrect move"), 0);
6626 /* Ok, now we know that the move is good, so we can kill
6627 the previous line in Analysis Mode */
6628 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6629 && currentMove < forwardMostMove) {
6630 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6631 else forwardMostMove = currentMove;
6634 /* If we need the chess program but it's dead, restart it */
6635 ResurrectChessProgram();
6637 /* A user move restarts a paused game*/
6641 thinkOutput[0] = NULLCHAR;
6643 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6645 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6646 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6650 if (gameMode == BeginningOfGame) {
6651 if (appData.noChessProgram) {
6652 gameMode = EditGame;
6656 gameMode = MachinePlaysBlack;
6659 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6661 if (first.sendName) {
6662 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6663 SendToProgram(buf, &first);
6670 /* Relay move to ICS or chess engine */
6671 if (appData.icsActive) {
6672 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6673 gameMode == IcsExamining) {
6674 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6675 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6677 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6679 // also send plain move, in case ICS does not understand atomic claims
6680 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6684 if (first.sendTime && (gameMode == BeginningOfGame ||
6685 gameMode == MachinePlaysWhite ||
6686 gameMode == MachinePlaysBlack)) {
6687 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6689 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6690 // [HGM] book: if program might be playing, let it use book
6691 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6692 first.maybeThinking = TRUE;
6693 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6694 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6695 SendBoard(&first, currentMove+1);
6696 } else SendMoveToProgram(forwardMostMove-1, &first);
6697 if (currentMove == cmailOldMove + 1) {
6698 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6702 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6706 if(appData.testLegality)
6707 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6713 if (WhiteOnMove(currentMove)) {
6714 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6716 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6720 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6725 case MachinePlaysBlack:
6726 case MachinePlaysWhite:
6727 /* disable certain menu options while machine is thinking */
6728 SetMachineThinkingEnables();
6735 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6736 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6738 if(bookHit) { // [HGM] book: simulate book reply
6739 static char bookMove[MSG_SIZ]; // a bit generous?
6741 programStats.nodes = programStats.depth = programStats.time =
6742 programStats.score = programStats.got_only_move = 0;
6743 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6745 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6746 strcat(bookMove, bookHit);
6747 HandleMachineMove(bookMove, &first);
6753 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6760 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6761 Markers *m = (Markers *) closure;
6762 if(rf == fromY && ff == fromX)
6763 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6764 || kind == WhiteCapturesEnPassant
6765 || kind == BlackCapturesEnPassant);
6766 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6770 MarkTargetSquares(int clear)
6773 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6774 !appData.testLegality || gameMode == EditPosition) return;
6776 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6779 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6780 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6781 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6783 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6786 DrawPosition(TRUE, NULL);
6790 Explode(Board board, int fromX, int fromY, int toX, int toY)
6792 if(gameInfo.variant == VariantAtomic &&
6793 (board[toY][toX] != EmptySquare || // capture?
6794 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6795 board[fromY][fromX] == BlackPawn )
6797 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6803 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6805 int CanPromote(ChessSquare piece, int y)
6807 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6808 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6809 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6810 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6811 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6812 gameInfo.variant == VariantMakruk) return FALSE;
6813 return (piece == BlackPawn && y == 1 ||
6814 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6815 piece == BlackLance && y == 1 ||
6816 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6819 void LeftClick(ClickType clickType, int xPix, int yPix)
6822 Boolean saveAnimate;
6823 static int second = 0, promotionChoice = 0, clearFlag = 0;
6824 char promoChoice = NULLCHAR;
6827 if(appData.seekGraph && appData.icsActive && loggedOn &&
6828 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6829 SeekGraphClick(clickType, xPix, yPix, 0);
6833 if (clickType == Press) ErrorPopDown();
6835 x = EventToSquare(xPix, BOARD_WIDTH);
6836 y = EventToSquare(yPix, BOARD_HEIGHT);
6837 if (!flipView && y >= 0) {
6838 y = BOARD_HEIGHT - 1 - y;
6840 if (flipView && x >= 0) {
6841 x = BOARD_WIDTH - 1 - x;
6844 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6845 defaultPromoChoice = promoSweep;
6846 promoSweep = EmptySquare; // terminate sweep
6847 promoDefaultAltered = TRUE;
6848 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6851 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6852 if(clickType == Release) return; // ignore upclick of click-click destination
6853 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6854 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6855 if(gameInfo.holdingsWidth &&
6856 (WhiteOnMove(currentMove)
6857 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6858 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6859 // click in right holdings, for determining promotion piece
6860 ChessSquare p = boards[currentMove][y][x];
6861 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6862 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6863 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6864 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6869 DrawPosition(FALSE, boards[currentMove]);
6873 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6874 if(clickType == Press
6875 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6876 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6877 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6880 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6881 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6883 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6884 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6885 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6886 defaultPromoChoice = DefaultPromoChoice(side);
6889 autoQueen = appData.alwaysPromoteToQueen;
6893 gatingPiece = EmptySquare;
6894 if (clickType != Press) {
6895 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6896 DragPieceEnd(xPix, yPix); dragging = 0;
6897 DrawPosition(FALSE, NULL);
6901 fromX = x; fromY = y; toX = toY = -1;
6902 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6903 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6904 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6906 if (OKToStartUserMove(fromX, fromY)) {
6908 MarkTargetSquares(0);
6909 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6910 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6911 promoSweep = defaultPromoChoice;
6912 selectFlag = 0; lastX = xPix; lastY = yPix;
6913 Sweep(0); // Pawn that is going to promote: preview promotion piece
6914 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6916 if (appData.highlightDragging) {
6917 SetHighlights(fromX, fromY, -1, -1);
6919 } else fromX = fromY = -1;
6925 if (clickType == Press && gameMode != EditPosition) {
6930 // ignore off-board to clicks
6931 if(y < 0 || x < 0) return;
6933 /* Check if clicking again on the same color piece */
6934 fromP = boards[currentMove][fromY][fromX];
6935 toP = boards[currentMove][y][x];
6936 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6937 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6938 WhitePawn <= toP && toP <= WhiteKing &&
6939 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6940 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6941 (BlackPawn <= fromP && fromP <= BlackKing &&
6942 BlackPawn <= toP && toP <= BlackKing &&
6943 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6944 !(fromP == BlackKing && toP == BlackRook && frc))) {
6945 /* Clicked again on same color piece -- changed his mind */
6946 second = (x == fromX && y == fromY);
6947 promoDefaultAltered = FALSE;
6948 MarkTargetSquares(1);
6949 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6950 if (appData.highlightDragging) {
6951 SetHighlights(x, y, -1, -1);
6955 if (OKToStartUserMove(x, y)) {
6956 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6957 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6958 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6959 gatingPiece = boards[currentMove][fromY][fromX];
6960 else gatingPiece = EmptySquare;
6962 fromY = y; dragging = 1;
6963 MarkTargetSquares(0);
6964 DragPieceBegin(xPix, yPix, FALSE);
6965 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6966 promoSweep = defaultPromoChoice;
6967 selectFlag = 0; lastX = xPix; lastY = yPix;
6968 Sweep(0); // Pawn that is going to promote: preview promotion piece
6972 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6975 // ignore clicks on holdings
6976 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6979 if (clickType == Release && x == fromX && y == fromY) {
6980 DragPieceEnd(xPix, yPix); dragging = 0;
6982 // a deferred attempt to click-click move an empty square on top of a piece
6983 boards[currentMove][y][x] = EmptySquare;
6985 DrawPosition(FALSE, boards[currentMove]);
6986 fromX = fromY = -1; clearFlag = 0;
6989 if (appData.animateDragging) {
6990 /* Undo animation damage if any */
6991 DrawPosition(FALSE, NULL);
6994 /* Second up/down in same square; just abort move */
6997 gatingPiece = EmptySquare;
7000 ClearPremoveHighlights();
7002 /* First upclick in same square; start click-click mode */
7003 SetHighlights(x, y, -1, -1);
7010 /* we now have a different from- and (possibly off-board) to-square */
7011 /* Completed move */
7014 saveAnimate = appData.animate;
7015 MarkTargetSquares(1);
7016 if (clickType == Press) {
7017 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7018 // must be Edit Position mode with empty-square selected
7019 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7020 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7023 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7024 ChessSquare piece = boards[currentMove][fromY][fromX];
7025 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7026 promoSweep = defaultPromoChoice;
7027 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7028 selectFlag = 0; lastX = xPix; lastY = yPix;
7029 Sweep(0); // Pawn that is going to promote: preview promotion piece
7030 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7031 DrawPosition(FALSE, boards[currentMove]);
7034 /* Finish clickclick move */
7035 if (appData.animate || appData.highlightLastMove) {
7036 SetHighlights(fromX, fromY, toX, toY);
7041 /* Finish drag move */
7042 if (appData.highlightLastMove) {
7043 SetHighlights(fromX, fromY, toX, toY);
7047 DragPieceEnd(xPix, yPix); dragging = 0;
7048 /* Don't animate move and drag both */
7049 appData.animate = FALSE;
7052 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7053 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7054 ChessSquare piece = boards[currentMove][fromY][fromX];
7055 if(gameMode == EditPosition && piece != EmptySquare &&
7056 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7059 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7060 n = PieceToNumber(piece - (int)BlackPawn);
7061 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7062 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7063 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7065 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7066 n = PieceToNumber(piece);
7067 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7068 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7069 boards[currentMove][n][BOARD_WIDTH-2]++;
7071 boards[currentMove][fromY][fromX] = EmptySquare;
7075 DrawPosition(TRUE, boards[currentMove]);
7079 // off-board moves should not be highlighted
7080 if(x < 0 || y < 0) ClearHighlights();
7082 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7084 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7085 SetHighlights(fromX, fromY, toX, toY);
7086 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7087 // [HGM] super: promotion to captured piece selected from holdings
7088 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7089 promotionChoice = TRUE;
7090 // kludge follows to temporarily execute move on display, without promoting yet
7091 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7092 boards[currentMove][toY][toX] = p;
7093 DrawPosition(FALSE, boards[currentMove]);
7094 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7095 boards[currentMove][toY][toX] = q;
7096 DisplayMessage("Click in holdings to choose piece", "");
7101 int oldMove = currentMove;
7102 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7103 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7104 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7105 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7106 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7107 DrawPosition(TRUE, boards[currentMove]);
7110 appData.animate = saveAnimate;
7111 if (appData.animate || appData.animateDragging) {
7112 /* Undo animation damage if needed */
7113 DrawPosition(FALSE, NULL);
7117 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7118 { // front-end-free part taken out of PieceMenuPopup
7119 int whichMenu; int xSqr, ySqr;
7121 if(seekGraphUp) { // [HGM] seekgraph
7122 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7123 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7127 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7128 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7129 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7130 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7131 if(action == Press) {
7132 originalFlip = flipView;
7133 flipView = !flipView; // temporarily flip board to see game from partners perspective
7134 DrawPosition(TRUE, partnerBoard);
7135 DisplayMessage(partnerStatus, "");
7137 } else if(action == Release) {
7138 flipView = originalFlip;
7139 DrawPosition(TRUE, boards[currentMove]);
7145 xSqr = EventToSquare(x, BOARD_WIDTH);
7146 ySqr = EventToSquare(y, BOARD_HEIGHT);
7147 if (action == Release) {
7148 if(pieceSweep != EmptySquare) {
7149 EditPositionMenuEvent(pieceSweep, toX, toY);
7150 pieceSweep = EmptySquare;
7151 } else UnLoadPV(); // [HGM] pv
7153 if (action != Press) return -2; // return code to be ignored
7156 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7158 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7159 if (xSqr < 0 || ySqr < 0) return -1;
7160 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7161 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7162 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7163 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7167 if(!appData.icsEngineAnalyze) return -1;
7168 case IcsPlayingWhite:
7169 case IcsPlayingBlack:
7170 if(!appData.zippyPlay) goto noZip;
7173 case MachinePlaysWhite:
7174 case MachinePlaysBlack:
7175 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7176 if (!appData.dropMenu) {
7178 return 2; // flag front-end to grab mouse events
7180 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7181 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7184 if (xSqr < 0 || ySqr < 0) return -1;
7185 if (!appData.dropMenu || appData.testLegality &&
7186 gameInfo.variant != VariantBughouse &&
7187 gameInfo.variant != VariantCrazyhouse) return -1;
7188 whichMenu = 1; // drop menu
7194 if (((*fromX = xSqr) < 0) ||
7195 ((*fromY = ySqr) < 0)) {
7196 *fromX = *fromY = -1;
7200 *fromX = BOARD_WIDTH - 1 - *fromX;
7202 *fromY = BOARD_HEIGHT - 1 - *fromY;
7207 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7209 // char * hint = lastHint;
7210 FrontEndProgramStats stats;
7212 stats.which = cps == &first ? 0 : 1;
7213 stats.depth = cpstats->depth;
7214 stats.nodes = cpstats->nodes;
7215 stats.score = cpstats->score;
7216 stats.time = cpstats->time;
7217 stats.pv = cpstats->movelist;
7218 stats.hint = lastHint;
7219 stats.an_move_index = 0;
7220 stats.an_move_count = 0;
7222 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7223 stats.hint = cpstats->move_name;
7224 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7225 stats.an_move_count = cpstats->nr_moves;
7228 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
7230 SetProgramStats( &stats );
7234 ClearEngineOutputPane(int which)
7236 static FrontEndProgramStats dummyStats;
7237 dummyStats.which = which;
7238 dummyStats.pv = "#";
7239 SetProgramStats( &dummyStats );
7242 #define MAXPLAYERS 500
7245 TourneyStandings(int display)
7247 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7248 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7249 char result, *p, *names[MAXPLAYERS];
7251 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7252 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7253 names[0] = p = strdup(appData.participants);
7254 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7256 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7258 while(result = appData.results[nr]) {
7259 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7260 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7261 wScore = bScore = 0;
7263 case '+': wScore = 2; break;
7264 case '-': bScore = 2; break;
7265 case '=': wScore = bScore = 1; break;
7267 case '*': return strdup("busy"); // tourney not finished
7275 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7276 for(w=0; w<nPlayers; w++) {
7278 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7279 ranking[w] = b; points[w] = bScore; score[b] = -2;
7281 p = malloc(nPlayers*34+1);
7282 for(w=0; w<nPlayers && w<display; w++)
7283 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7289 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7290 { // count all piece types
7292 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7293 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7294 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7297 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7298 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7299 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7300 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7301 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7302 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7307 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7309 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7310 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7312 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7313 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7314 if(myPawns == 2 && nMine == 3) // KPP
7315 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7316 if(myPawns == 1 && nMine == 2) // KP
7317 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7318 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7319 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7320 if(myPawns) return FALSE;
7321 if(pCnt[WhiteRook+side])
7322 return pCnt[BlackRook-side] ||
7323 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7324 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7325 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7326 if(pCnt[WhiteCannon+side]) {
7327 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7328 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7330 if(pCnt[WhiteKnight+side])
7331 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7336 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7338 VariantClass v = gameInfo.variant;
7340 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7341 if(v == VariantShatranj) return TRUE; // always winnable through baring
7342 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7343 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7345 if(v == VariantXiangqi) {
7346 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7348 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7349 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7350 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7351 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7352 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7353 if(stale) // we have at least one last-rank P plus perhaps C
7354 return majors // KPKX
7355 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7357 return pCnt[WhiteFerz+side] // KCAK
7358 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7359 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7360 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7362 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7363 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7365 if(nMine == 1) return FALSE; // bare King
7366 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
7367 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7368 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7369 // by now we have King + 1 piece (or multiple Bishops on the same color)
7370 if(pCnt[WhiteKnight+side])
7371 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7372 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7373 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7375 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7376 if(pCnt[WhiteAlfil+side])
7377 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7378 if(pCnt[WhiteWazir+side])
7379 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7386 CompareWithRights(Board b1, Board b2)
7389 if(!CompareBoards(b1, b2)) return FALSE;
7390 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7391 /* compare castling rights */
7392 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7393 rights++; /* King lost rights, while rook still had them */
7394 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7395 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7396 rights++; /* but at least one rook lost them */
7398 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7400 if( b1[CASTLING][5] != NoRights ) {
7401 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7408 Adjudicate(ChessProgramState *cps)
7409 { // [HGM] some adjudications useful with buggy engines
7410 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7411 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7412 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7413 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7414 int k, count = 0; static int bare = 1;
7415 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7416 Boolean canAdjudicate = !appData.icsActive;
7418 // most tests only when we understand the game, i.e. legality-checking on
7419 if( appData.testLegality )
7420 { /* [HGM] Some more adjudications for obstinate engines */
7421 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7422 static int moveCount = 6;
7424 char *reason = NULL;
7426 /* Count what is on board. */
7427 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7429 /* Some material-based adjudications that have to be made before stalemate test */
7430 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7431 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7432 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7433 if(canAdjudicate && appData.checkMates) {
7435 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7436 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7437 "Xboard adjudication: King destroyed", GE_XBOARD );
7442 /* Bare King in Shatranj (loses) or Losers (wins) */
7443 if( nrW == 1 || nrB == 1) {
7444 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7445 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7446 if(canAdjudicate && appData.checkMates) {
7448 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7449 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7450 "Xboard adjudication: Bare king", GE_XBOARD );
7454 if( gameInfo.variant == VariantShatranj && --bare < 0)
7456 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7457 if(canAdjudicate && appData.checkMates) {
7458 /* but only adjudicate if adjudication enabled */
7460 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7461 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7462 "Xboard adjudication: Bare king", GE_XBOARD );
7469 // don't wait for engine to announce game end if we can judge ourselves
7470 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7472 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7473 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7474 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7475 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7478 reason = "Xboard adjudication: 3rd check";
7479 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7489 reason = "Xboard adjudication: Stalemate";
7490 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7491 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7492 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7493 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7494 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7495 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7496 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7497 EP_CHECKMATE : EP_WINS);
7498 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7499 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7503 reason = "Xboard adjudication: Checkmate";
7504 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7508 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7510 result = GameIsDrawn; break;
7512 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7514 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7518 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7520 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7521 GameEnds( result, reason, GE_XBOARD );
7525 /* Next absolutely insufficient mating material. */
7526 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7527 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7528 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7530 /* always flag draws, for judging claims */
7531 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7533 if(canAdjudicate && appData.materialDraws) {
7534 /* but only adjudicate them if adjudication enabled */
7535 if(engineOpponent) {
7536 SendToProgram("force\n", engineOpponent); // suppress reply
7537 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7539 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7544 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7545 if(gameInfo.variant == VariantXiangqi ?
7546 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7548 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7549 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7550 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7551 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7553 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7554 { /* if the first 3 moves do not show a tactical win, declare draw */
7555 if(engineOpponent) {
7556 SendToProgram("force\n", engineOpponent); // suppress reply
7557 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7559 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7562 } else moveCount = 6;
7564 if (appData.debugMode) { int i;
7565 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7566 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7567 appData.drawRepeats);
7568 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7569 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7573 // Repetition draws and 50-move rule can be applied independently of legality testing
7575 /* Check for rep-draws */
7577 for(k = forwardMostMove-2;
7578 k>=backwardMostMove && k>=forwardMostMove-100 &&
7579 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7580 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7583 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7584 /* compare castling rights */
7585 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7586 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7587 rights++; /* King lost rights, while rook still had them */
7588 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7589 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7590 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7591 rights++; /* but at least one rook lost them */
7593 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7594 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7596 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7597 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7598 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7601 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7602 && appData.drawRepeats > 1) {
7603 /* adjudicate after user-specified nr of repeats */
7604 int result = GameIsDrawn;
7605 char *details = "XBoard adjudication: repetition draw";
7606 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7607 // [HGM] xiangqi: check for forbidden perpetuals
7608 int m, ourPerpetual = 1, hisPerpetual = 1;
7609 for(m=forwardMostMove; m>k; m-=2) {
7610 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7611 ourPerpetual = 0; // the current mover did not always check
7612 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7613 hisPerpetual = 0; // the opponent did not always check
7615 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7616 ourPerpetual, hisPerpetual);
7617 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7618 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7619 details = "Xboard adjudication: perpetual checking";
7621 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7622 break; // (or we would have caught him before). Abort repetition-checking loop.
7624 // Now check for perpetual chases
7625 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7626 hisPerpetual = PerpetualChase(k, forwardMostMove);
7627 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7628 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7629 static char resdet[MSG_SIZ];
7630 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7632 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7634 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7635 break; // Abort repetition-checking loop.
7637 // if neither of us is checking or chasing all the time, or both are, it is draw
7639 if(engineOpponent) {
7640 SendToProgram("force\n", engineOpponent); // suppress reply
7641 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7643 GameEnds( result, details, GE_XBOARD );
7646 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7647 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7651 /* Now we test for 50-move draws. Determine ply count */
7652 count = forwardMostMove;
7653 /* look for last irreversble move */
7654 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7656 /* if we hit starting position, add initial plies */
7657 if( count == backwardMostMove )
7658 count -= initialRulePlies;
7659 count = forwardMostMove - count;
7660 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7661 // adjust reversible move counter for checks in Xiangqi
7662 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7663 if(i < backwardMostMove) i = backwardMostMove;
7664 while(i <= forwardMostMove) {
7665 lastCheck = inCheck; // check evasion does not count
7666 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7667 if(inCheck || lastCheck) count--; // check does not count
7672 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7673 /* this is used to judge if draw claims are legal */
7674 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7675 if(engineOpponent) {
7676 SendToProgram("force\n", engineOpponent); // suppress reply
7677 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7679 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7683 /* if draw offer is pending, treat it as a draw claim
7684 * when draw condition present, to allow engines a way to
7685 * claim draws before making their move to avoid a race
7686 * condition occurring after their move
7688 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7690 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7691 p = "Draw claim: 50-move rule";
7692 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7693 p = "Draw claim: 3-fold repetition";
7694 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7695 p = "Draw claim: insufficient mating material";
7696 if( p != NULL && canAdjudicate) {
7697 if(engineOpponent) {
7698 SendToProgram("force\n", engineOpponent); // suppress reply
7699 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7701 GameEnds( GameIsDrawn, p, GE_XBOARD );
7706 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7707 if(engineOpponent) {
7708 SendToProgram("force\n", engineOpponent); // suppress reply
7709 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7711 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7717 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7718 { // [HGM] book: this routine intercepts moves to simulate book replies
7719 char *bookHit = NULL;
7721 //first determine if the incoming move brings opponent into his book
7722 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7723 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7724 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7725 if(bookHit != NULL && !cps->bookSuspend) {
7726 // make sure opponent is not going to reply after receiving move to book position
7727 SendToProgram("force\n", cps);
7728 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7730 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7731 // now arrange restart after book miss
7733 // after a book hit we never send 'go', and the code after the call to this routine
7734 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7735 char buf[MSG_SIZ], *move = bookHit;
7737 int fromX, fromY, toX, toY;
7741 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7742 &fromX, &fromY, &toX, &toY, &promoChar)) {
7743 (void) CoordsToAlgebraic(boards[forwardMostMove],
7744 PosFlags(forwardMostMove),
7745 fromY, fromX, toY, toX, promoChar, move);
7747 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7751 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7752 SendToProgram(buf, cps);
7753 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7754 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7755 SendToProgram("go\n", cps);
7756 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7757 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7758 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7759 SendToProgram("go\n", cps);
7760 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7762 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7766 ChessProgramState *savedState;
7767 void DeferredBookMove(void)
7769 if(savedState->lastPing != savedState->lastPong)
7770 ScheduleDelayedEvent(DeferredBookMove, 10);
7772 HandleMachineMove(savedMessage, savedState);
7775 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7778 HandleMachineMove(message, cps)
7780 ChessProgramState *cps;
7782 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7783 char realname[MSG_SIZ];
7784 int fromX, fromY, toX, toY;
7791 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7792 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7793 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7794 DisplayError(_("Invalid pairing from pairing engine"), 0);
7797 pairingReceived = 1;
7799 return; // Skim the pairing messages here.
7804 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7806 * Kludge to ignore BEL characters
7808 while (*message == '\007') message++;
7811 * [HGM] engine debug message: ignore lines starting with '#' character
7813 if(cps->debug && *message == '#') return;
7816 * Look for book output
7818 if (cps == &first && bookRequested) {
7819 if (message[0] == '\t' || message[0] == ' ') {
7820 /* Part of the book output is here; append it */
7821 strcat(bookOutput, message);
7822 strcat(bookOutput, " \n");
7824 } else if (bookOutput[0] != NULLCHAR) {
7825 /* All of book output has arrived; display it */
7826 char *p = bookOutput;
7827 while (*p != NULLCHAR) {
7828 if (*p == '\t') *p = ' ';
7831 DisplayInformation(bookOutput);
7832 bookRequested = FALSE;
7833 /* Fall through to parse the current output */
7838 * Look for machine move.
7840 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7841 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7843 /* This method is only useful on engines that support ping */
7844 if (cps->lastPing != cps->lastPong) {
7845 if (gameMode == BeginningOfGame) {
7846 /* Extra move from before last new; ignore */
7847 if (appData.debugMode) {
7848 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7851 if (appData.debugMode) {
7852 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7853 cps->which, gameMode);
7856 SendToProgram("undo\n", cps);
7862 case BeginningOfGame:
7863 /* Extra move from before last reset; ignore */
7864 if (appData.debugMode) {
7865 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7872 /* Extra move after we tried to stop. The mode test is
7873 not a reliable way of detecting this problem, but it's
7874 the best we can do on engines that don't support ping.
7876 if (appData.debugMode) {
7877 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7878 cps->which, gameMode);
7880 SendToProgram("undo\n", cps);
7883 case MachinePlaysWhite:
7884 case IcsPlayingWhite:
7885 machineWhite = TRUE;
7888 case MachinePlaysBlack:
7889 case IcsPlayingBlack:
7890 machineWhite = FALSE;
7893 case TwoMachinesPlay:
7894 machineWhite = (cps->twoMachinesColor[0] == 'w');
7897 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7898 if (appData.debugMode) {
7900 "Ignoring move out of turn by %s, gameMode %d"
7901 ", forwardMost %d\n",
7902 cps->which, gameMode, forwardMostMove);
7907 if (appData.debugMode) { int f = forwardMostMove;
7908 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7909 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7910 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7912 if(cps->alphaRank) AlphaRank(machineMove, 4);
7913 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7914 &fromX, &fromY, &toX, &toY, &promoChar)) {
7915 /* Machine move could not be parsed; ignore it. */
7916 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7917 machineMove, _(cps->which));
7918 DisplayError(buf1, 0);
7919 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7920 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7921 if (gameMode == TwoMachinesPlay) {
7922 GameEnds(machineWhite ? BlackWins : WhiteWins,
7928 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7929 /* So we have to redo legality test with true e.p. status here, */
7930 /* to make sure an illegal e.p. capture does not slip through, */
7931 /* to cause a forfeit on a justified illegal-move complaint */
7932 /* of the opponent. */
7933 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7935 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7936 fromY, fromX, toY, toX, promoChar);
7937 if (appData.debugMode) {
7939 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7940 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7941 fprintf(debugFP, "castling rights\n");
7943 if(moveType == IllegalMove) {
7944 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7945 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7946 GameEnds(machineWhite ? BlackWins : WhiteWins,
7949 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7950 /* [HGM] Kludge to handle engines that send FRC-style castling
7951 when they shouldn't (like TSCP-Gothic) */
7953 case WhiteASideCastleFR:
7954 case BlackASideCastleFR:
7956 currentMoveString[2]++;
7958 case WhiteHSideCastleFR:
7959 case BlackHSideCastleFR:
7961 currentMoveString[2]--;
7963 default: ; // nothing to do, but suppresses warning of pedantic compilers
7966 hintRequested = FALSE;
7967 lastHint[0] = NULLCHAR;
7968 bookRequested = FALSE;
7969 /* Program may be pondering now */
7970 cps->maybeThinking = TRUE;
7971 if (cps->sendTime == 2) cps->sendTime = 1;
7972 if (cps->offeredDraw) cps->offeredDraw--;
7974 /* [AS] Save move info*/
7975 pvInfoList[ forwardMostMove ].score = programStats.score;
7976 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7977 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7979 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7981 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7982 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7985 while( count < adjudicateLossPlies ) {
7986 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7989 score = -score; /* Flip score for winning side */
7992 if( score > adjudicateLossThreshold ) {
7999 if( count >= adjudicateLossPlies ) {
8000 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8002 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8003 "Xboard adjudication",
8010 if(Adjudicate(cps)) {
8011 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8012 return; // [HGM] adjudicate: for all automatic game ends
8016 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8018 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8019 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8021 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8023 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8025 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8026 char buf[3*MSG_SIZ];
8028 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8029 programStats.score / 100.,
8031 programStats.time / 100.,
8032 (unsigned int)programStats.nodes,
8033 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8034 programStats.movelist);
8036 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8041 /* [AS] Clear stats for next move */
8042 ClearProgramStats();
8043 thinkOutput[0] = NULLCHAR;
8044 hiddenThinkOutputState = 0;
8047 if (gameMode == TwoMachinesPlay) {
8048 /* [HGM] relaying draw offers moved to after reception of move */
8049 /* and interpreting offer as claim if it brings draw condition */
8050 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8051 SendToProgram("draw\n", cps->other);
8053 if (cps->other->sendTime) {
8054 SendTimeRemaining(cps->other,
8055 cps->other->twoMachinesColor[0] == 'w');
8057 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8058 if (firstMove && !bookHit) {
8060 if (cps->other->useColors) {
8061 SendToProgram(cps->other->twoMachinesColor, cps->other);
8063 SendToProgram("go\n", cps->other);
8065 cps->other->maybeThinking = TRUE;
8068 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8070 if (!pausing && appData.ringBellAfterMoves) {
8075 * Reenable menu items that were disabled while
8076 * machine was thinking
8078 if (gameMode != TwoMachinesPlay)
8079 SetUserThinkingEnables();
8081 // [HGM] book: after book hit opponent has received move and is now in force mode
8082 // force the book reply into it, and then fake that it outputted this move by jumping
8083 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8085 static char bookMove[MSG_SIZ]; // a bit generous?
8087 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8088 strcat(bookMove, bookHit);
8091 programStats.nodes = programStats.depth = programStats.time =
8092 programStats.score = programStats.got_only_move = 0;
8093 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8095 if(cps->lastPing != cps->lastPong) {
8096 savedMessage = message; // args for deferred call
8098 ScheduleDelayedEvent(DeferredBookMove, 10);
8107 /* Set special modes for chess engines. Later something general
8108 * could be added here; for now there is just one kludge feature,
8109 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8110 * when "xboard" is given as an interactive command.
8112 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8113 cps->useSigint = FALSE;
8114 cps->useSigterm = FALSE;
8116 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8117 ParseFeatures(message+8, cps);
8118 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8121 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8122 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8123 int dummy, s=6; char buf[MSG_SIZ];
8124 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8125 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8126 if(startedFromSetupPosition) return;
8127 ParseFEN(boards[0], &dummy, message+s);
8128 DrawPosition(TRUE, boards[0]);
8129 startedFromSetupPosition = TRUE;
8132 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8133 * want this, I was asked to put it in, and obliged.
8135 if (!strncmp(message, "setboard ", 9)) {
8136 Board initial_position;
8138 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8140 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8141 DisplayError(_("Bad FEN received from engine"), 0);
8145 CopyBoard(boards[0], initial_position);
8146 initialRulePlies = FENrulePlies;
8147 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8148 else gameMode = MachinePlaysBlack;
8149 DrawPosition(FALSE, boards[currentMove]);
8155 * Look for communication commands
8157 if (!strncmp(message, "telluser ", 9)) {
8158 if(message[9] == '\\' && message[10] == '\\')
8159 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8161 DisplayNote(message + 9);
8164 if (!strncmp(message, "tellusererror ", 14)) {
8166 if(message[14] == '\\' && message[15] == '\\')
8167 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8169 DisplayError(message + 14, 0);
8172 if (!strncmp(message, "tellopponent ", 13)) {
8173 if (appData.icsActive) {
8175 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8179 DisplayNote(message + 13);
8183 if (!strncmp(message, "tellothers ", 11)) {
8184 if (appData.icsActive) {
8186 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8192 if (!strncmp(message, "tellall ", 8)) {
8193 if (appData.icsActive) {
8195 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8199 DisplayNote(message + 8);
8203 if (strncmp(message, "warning", 7) == 0) {
8204 /* Undocumented feature, use tellusererror in new code */
8205 DisplayError(message, 0);
8208 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8209 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8210 strcat(realname, " query");
8211 AskQuestion(realname, buf2, buf1, cps->pr);
8214 /* Commands from the engine directly to ICS. We don't allow these to be
8215 * sent until we are logged on. Crafty kibitzes have been known to
8216 * interfere with the login process.
8219 if (!strncmp(message, "tellics ", 8)) {
8220 SendToICS(message + 8);
8224 if (!strncmp(message, "tellicsnoalias ", 15)) {
8225 SendToICS(ics_prefix);
8226 SendToICS(message + 15);
8230 /* The following are for backward compatibility only */
8231 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8232 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8233 SendToICS(ics_prefix);
8239 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8243 * If the move is illegal, cancel it and redraw the board.
8244 * Also deal with other error cases. Matching is rather loose
8245 * here to accommodate engines written before the spec.
8247 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8248 strncmp(message, "Error", 5) == 0) {
8249 if (StrStr(message, "name") ||
8250 StrStr(message, "rating") || StrStr(message, "?") ||
8251 StrStr(message, "result") || StrStr(message, "board") ||
8252 StrStr(message, "bk") || StrStr(message, "computer") ||
8253 StrStr(message, "variant") || StrStr(message, "hint") ||
8254 StrStr(message, "random") || StrStr(message, "depth") ||
8255 StrStr(message, "accepted")) {
8258 if (StrStr(message, "protover")) {
8259 /* Program is responding to input, so it's apparently done
8260 initializing, and this error message indicates it is
8261 protocol version 1. So we don't need to wait any longer
8262 for it to initialize and send feature commands. */
8263 FeatureDone(cps, 1);
8264 cps->protocolVersion = 1;
8267 cps->maybeThinking = FALSE;
8269 if (StrStr(message, "draw")) {
8270 /* Program doesn't have "draw" command */
8271 cps->sendDrawOffers = 0;
8274 if (cps->sendTime != 1 &&
8275 (StrStr(message, "time") || StrStr(message, "otim"))) {
8276 /* Program apparently doesn't have "time" or "otim" command */
8280 if (StrStr(message, "analyze")) {
8281 cps->analysisSupport = FALSE;
8282 cps->analyzing = FALSE;
8283 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8284 EditGameEvent(); // [HGM] try to preserve loaded game
8285 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8286 DisplayError(buf2, 0);
8289 if (StrStr(message, "(no matching move)st")) {
8290 /* Special kludge for GNU Chess 4 only */
8291 cps->stKludge = TRUE;
8292 SendTimeControl(cps, movesPerSession, timeControl,
8293 timeIncrement, appData.searchDepth,
8297 if (StrStr(message, "(no matching move)sd")) {
8298 /* Special kludge for GNU Chess 4 only */
8299 cps->sdKludge = TRUE;
8300 SendTimeControl(cps, movesPerSession, timeControl,
8301 timeIncrement, appData.searchDepth,
8305 if (!StrStr(message, "llegal")) {
8308 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8309 gameMode == IcsIdle) return;
8310 if (forwardMostMove <= backwardMostMove) return;
8311 if (pausing) PauseEvent();
8312 if(appData.forceIllegal) {
8313 // [HGM] illegal: machine refused move; force position after move into it
8314 SendToProgram("force\n", cps);
8315 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8316 // we have a real problem now, as SendBoard will use the a2a3 kludge
8317 // when black is to move, while there might be nothing on a2 or black
8318 // might already have the move. So send the board as if white has the move.
8319 // But first we must change the stm of the engine, as it refused the last move
8320 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8321 if(WhiteOnMove(forwardMostMove)) {
8322 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8323 SendBoard(cps, forwardMostMove); // kludgeless board
8325 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8326 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8327 SendBoard(cps, forwardMostMove+1); // kludgeless board
8329 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8330 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8331 gameMode == TwoMachinesPlay)
8332 SendToProgram("go\n", cps);
8335 if (gameMode == PlayFromGameFile) {
8336 /* Stop reading this game file */
8337 gameMode = EditGame;
8340 /* [HGM] illegal-move claim should forfeit game when Xboard */
8341 /* only passes fully legal moves */
8342 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8343 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8344 "False illegal-move claim", GE_XBOARD );
8345 return; // do not take back move we tested as valid
8347 currentMove = forwardMostMove-1;
8348 DisplayMove(currentMove-1); /* before DisplayMoveError */
8349 SwitchClocks(forwardMostMove-1); // [HGM] race
8350 DisplayBothClocks();
8351 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8352 parseList[currentMove], _(cps->which));
8353 DisplayMoveError(buf1);
8354 DrawPosition(FALSE, boards[currentMove]);
8357 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8358 /* Program has a broken "time" command that
8359 outputs a string not ending in newline.
8365 * If chess program startup fails, exit with an error message.
8366 * Attempts to recover here are futile.
8368 if ((StrStr(message, "unknown host") != NULL)
8369 || (StrStr(message, "No remote directory") != NULL)
8370 || (StrStr(message, "not found") != NULL)
8371 || (StrStr(message, "No such file") != NULL)
8372 || (StrStr(message, "can't alloc") != NULL)
8373 || (StrStr(message, "Permission denied") != NULL)) {
8375 cps->maybeThinking = FALSE;
8376 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8377 _(cps->which), cps->program, cps->host, message);
8378 RemoveInputSource(cps->isr);
8379 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8380 if(cps == &first) appData.noChessProgram = TRUE;
8381 DisplayError(buf1, 0);
8387 * Look for hint output
8389 if (sscanf(message, "Hint: %s", buf1) == 1) {
8390 if (cps == &first && hintRequested) {
8391 hintRequested = FALSE;
8392 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8393 &fromX, &fromY, &toX, &toY, &promoChar)) {
8394 (void) CoordsToAlgebraic(boards[forwardMostMove],
8395 PosFlags(forwardMostMove),
8396 fromY, fromX, toY, toX, promoChar, buf1);
8397 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8398 DisplayInformation(buf2);
8400 /* Hint move could not be parsed!? */
8401 snprintf(buf2, sizeof(buf2),
8402 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8403 buf1, _(cps->which));
8404 DisplayError(buf2, 0);
8407 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8413 * Ignore other messages if game is not in progress
8415 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8416 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8419 * look for win, lose, draw, or draw offer
8421 if (strncmp(message, "1-0", 3) == 0) {
8422 char *p, *q, *r = "";
8423 p = strchr(message, '{');
8431 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8433 } else if (strncmp(message, "0-1", 3) == 0) {
8434 char *p, *q, *r = "";
8435 p = strchr(message, '{');
8443 /* Kludge for Arasan 4.1 bug */
8444 if (strcmp(r, "Black resigns") == 0) {
8445 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8448 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8450 } else if (strncmp(message, "1/2", 3) == 0) {
8451 char *p, *q, *r = "";
8452 p = strchr(message, '{');
8461 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8464 } else if (strncmp(message, "White resign", 12) == 0) {
8465 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8467 } else if (strncmp(message, "Black resign", 12) == 0) {
8468 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8470 } else if (strncmp(message, "White matches", 13) == 0 ||
8471 strncmp(message, "Black matches", 13) == 0 ) {
8472 /* [HGM] ignore GNUShogi noises */
8474 } else if (strncmp(message, "White", 5) == 0 &&
8475 message[5] != '(' &&
8476 StrStr(message, "Black") == NULL) {
8477 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8479 } else if (strncmp(message, "Black", 5) == 0 &&
8480 message[5] != '(') {
8481 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8483 } else if (strcmp(message, "resign") == 0 ||
8484 strcmp(message, "computer resigns") == 0) {
8486 case MachinePlaysBlack:
8487 case IcsPlayingBlack:
8488 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8490 case MachinePlaysWhite:
8491 case IcsPlayingWhite:
8492 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8494 case TwoMachinesPlay:
8495 if (cps->twoMachinesColor[0] == 'w')
8496 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8498 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8505 } else if (strncmp(message, "opponent mates", 14) == 0) {
8507 case MachinePlaysBlack:
8508 case IcsPlayingBlack:
8509 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8511 case MachinePlaysWhite:
8512 case IcsPlayingWhite:
8513 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8515 case TwoMachinesPlay:
8516 if (cps->twoMachinesColor[0] == 'w')
8517 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8519 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8526 } else if (strncmp(message, "computer mates", 14) == 0) {
8528 case MachinePlaysBlack:
8529 case IcsPlayingBlack:
8530 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8532 case MachinePlaysWhite:
8533 case IcsPlayingWhite:
8534 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8536 case TwoMachinesPlay:
8537 if (cps->twoMachinesColor[0] == 'w')
8538 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8540 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8547 } else if (strncmp(message, "checkmate", 9) == 0) {
8548 if (WhiteOnMove(forwardMostMove)) {
8549 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8551 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8554 } else if (strstr(message, "Draw") != NULL ||
8555 strstr(message, "game is a draw") != NULL) {
8556 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8558 } else if (strstr(message, "offer") != NULL &&
8559 strstr(message, "draw") != NULL) {
8561 if (appData.zippyPlay && first.initDone) {
8562 /* Relay offer to ICS */
8563 SendToICS(ics_prefix);
8564 SendToICS("draw\n");
8567 cps->offeredDraw = 2; /* valid until this engine moves twice */
8568 if (gameMode == TwoMachinesPlay) {
8569 if (cps->other->offeredDraw) {
8570 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8571 /* [HGM] in two-machine mode we delay relaying draw offer */
8572 /* until after we also have move, to see if it is really claim */
8574 } else if (gameMode == MachinePlaysWhite ||
8575 gameMode == MachinePlaysBlack) {
8576 if (userOfferedDraw) {
8577 DisplayInformation(_("Machine accepts your draw offer"));
8578 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8580 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8587 * Look for thinking output
8589 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8590 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8592 int plylev, mvleft, mvtot, curscore, time;
8593 char mvname[MOVE_LEN];
8597 int prefixHint = FALSE;
8598 mvname[0] = NULLCHAR;
8601 case MachinePlaysBlack:
8602 case IcsPlayingBlack:
8603 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8605 case MachinePlaysWhite:
8606 case IcsPlayingWhite:
8607 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8612 case IcsObserving: /* [DM] icsEngineAnalyze */
8613 if (!appData.icsEngineAnalyze) ignore = TRUE;
8615 case TwoMachinesPlay:
8616 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8626 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8628 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8629 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8631 if (plyext != ' ' && plyext != '\t') {
8635 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8636 if( cps->scoreIsAbsolute &&
8637 ( gameMode == MachinePlaysBlack ||
8638 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8639 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8640 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8641 !WhiteOnMove(currentMove)
8644 curscore = -curscore;
8647 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8649 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8652 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8653 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8654 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8655 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8656 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8657 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8659 } else DisplayError("failed writing PV", 0);
8662 tempStats.depth = plylev;
8663 tempStats.nodes = nodes;
8664 tempStats.time = time;
8665 tempStats.score = curscore;
8666 tempStats.got_only_move = 0;
8668 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8671 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8672 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8673 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8674 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8675 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8676 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8677 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8678 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8681 /* Buffer overflow protection */
8682 if (pv[0] != NULLCHAR) {
8683 if (strlen(pv) >= sizeof(tempStats.movelist)
8684 && appData.debugMode) {
8686 "PV is too long; using the first %u bytes.\n",
8687 (unsigned) sizeof(tempStats.movelist) - 1);
8690 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8692 sprintf(tempStats.movelist, " no PV\n");
8695 if (tempStats.seen_stat) {
8696 tempStats.ok_to_send = 1;
8699 if (strchr(tempStats.movelist, '(') != NULL) {
8700 tempStats.line_is_book = 1;
8701 tempStats.nr_moves = 0;
8702 tempStats.moves_left = 0;
8704 tempStats.line_is_book = 0;
8707 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8708 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8710 SendProgramStatsToFrontend( cps, &tempStats );
8713 [AS] Protect the thinkOutput buffer from overflow... this
8714 is only useful if buf1 hasn't overflowed first!
8716 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8718 (gameMode == TwoMachinesPlay ?
8719 ToUpper(cps->twoMachinesColor[0]) : ' '),
8720 ((double) curscore) / 100.0,
8721 prefixHint ? lastHint : "",
8722 prefixHint ? " " : "" );
8724 if( buf1[0] != NULLCHAR ) {
8725 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8727 if( strlen(pv) > max_len ) {
8728 if( appData.debugMode) {
8729 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8731 pv[max_len+1] = '\0';
8734 strcat( thinkOutput, pv);
8737 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8738 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8739 DisplayMove(currentMove - 1);
8743 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8744 /* crafty (9.25+) says "(only move) <move>"
8745 * if there is only 1 legal move
8747 sscanf(p, "(only move) %s", buf1);
8748 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8749 sprintf(programStats.movelist, "%s (only move)", buf1);
8750 programStats.depth = 1;
8751 programStats.nr_moves = 1;
8752 programStats.moves_left = 1;
8753 programStats.nodes = 1;
8754 programStats.time = 1;
8755 programStats.got_only_move = 1;
8757 /* Not really, but we also use this member to
8758 mean "line isn't going to change" (Crafty
8759 isn't searching, so stats won't change) */
8760 programStats.line_is_book = 1;
8762 SendProgramStatsToFrontend( cps, &programStats );
8764 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8765 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8766 DisplayMove(currentMove - 1);
8769 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8770 &time, &nodes, &plylev, &mvleft,
8771 &mvtot, mvname) >= 5) {
8772 /* The stat01: line is from Crafty (9.29+) in response
8773 to the "." command */
8774 programStats.seen_stat = 1;
8775 cps->maybeThinking = TRUE;
8777 if (programStats.got_only_move || !appData.periodicUpdates)
8780 programStats.depth = plylev;
8781 programStats.time = time;
8782 programStats.nodes = nodes;
8783 programStats.moves_left = mvleft;
8784 programStats.nr_moves = mvtot;
8785 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8786 programStats.ok_to_send = 1;
8787 programStats.movelist[0] = '\0';
8789 SendProgramStatsToFrontend( cps, &programStats );
8793 } else if (strncmp(message,"++",2) == 0) {
8794 /* Crafty 9.29+ outputs this */
8795 programStats.got_fail = 2;
8798 } else if (strncmp(message,"--",2) == 0) {
8799 /* Crafty 9.29+ outputs this */
8800 programStats.got_fail = 1;
8803 } else if (thinkOutput[0] != NULLCHAR &&
8804 strncmp(message, " ", 4) == 0) {
8805 unsigned message_len;
8808 while (*p && *p == ' ') p++;
8810 message_len = strlen( p );
8812 /* [AS] Avoid buffer overflow */
8813 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8814 strcat(thinkOutput, " ");
8815 strcat(thinkOutput, p);
8818 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8819 strcat(programStats.movelist, " ");
8820 strcat(programStats.movelist, p);
8823 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8824 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8825 DisplayMove(currentMove - 1);
8833 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8834 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8836 ChessProgramStats cpstats;
8838 if (plyext != ' ' && plyext != '\t') {
8842 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8843 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8844 curscore = -curscore;
8847 cpstats.depth = plylev;
8848 cpstats.nodes = nodes;
8849 cpstats.time = time;
8850 cpstats.score = curscore;
8851 cpstats.got_only_move = 0;
8852 cpstats.movelist[0] = '\0';
8854 if (buf1[0] != NULLCHAR) {
8855 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8858 cpstats.ok_to_send = 0;
8859 cpstats.line_is_book = 0;
8860 cpstats.nr_moves = 0;
8861 cpstats.moves_left = 0;
8863 SendProgramStatsToFrontend( cps, &cpstats );
8870 /* Parse a game score from the character string "game", and
8871 record it as the history of the current game. The game
8872 score is NOT assumed to start from the standard position.
8873 The display is not updated in any way.
8876 ParseGameHistory(game)
8880 int fromX, fromY, toX, toY, boardIndex;
8885 if (appData.debugMode)
8886 fprintf(debugFP, "Parsing game history: %s\n", game);
8888 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8889 gameInfo.site = StrSave(appData.icsHost);
8890 gameInfo.date = PGNDate();
8891 gameInfo.round = StrSave("-");
8893 /* Parse out names of players */
8894 while (*game == ' ') game++;
8896 while (*game != ' ') *p++ = *game++;
8898 gameInfo.white = StrSave(buf);
8899 while (*game == ' ') game++;
8901 while (*game != ' ' && *game != '\n') *p++ = *game++;
8903 gameInfo.black = StrSave(buf);
8906 boardIndex = blackPlaysFirst ? 1 : 0;
8909 yyboardindex = boardIndex;
8910 moveType = (ChessMove) Myylex();
8912 case IllegalMove: /* maybe suicide chess, etc. */
8913 if (appData.debugMode) {
8914 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8915 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8916 setbuf(debugFP, NULL);
8918 case WhitePromotion:
8919 case BlackPromotion:
8920 case WhiteNonPromotion:
8921 case BlackNonPromotion:
8923 case WhiteCapturesEnPassant:
8924 case BlackCapturesEnPassant:
8925 case WhiteKingSideCastle:
8926 case WhiteQueenSideCastle:
8927 case BlackKingSideCastle:
8928 case BlackQueenSideCastle:
8929 case WhiteKingSideCastleWild:
8930 case WhiteQueenSideCastleWild:
8931 case BlackKingSideCastleWild:
8932 case BlackQueenSideCastleWild:
8934 case WhiteHSideCastleFR:
8935 case WhiteASideCastleFR:
8936 case BlackHSideCastleFR:
8937 case BlackASideCastleFR:
8939 fromX = currentMoveString[0] - AAA;
8940 fromY = currentMoveString[1] - ONE;
8941 toX = currentMoveString[2] - AAA;
8942 toY = currentMoveString[3] - ONE;
8943 promoChar = currentMoveString[4];
8947 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8948 fromX = moveType == WhiteDrop ?
8949 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8950 (int) CharToPiece(ToLower(currentMoveString[0]));
8952 toX = currentMoveString[2] - AAA;
8953 toY = currentMoveString[3] - ONE;
8954 promoChar = NULLCHAR;
8958 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8959 if (appData.debugMode) {
8960 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8961 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8962 setbuf(debugFP, NULL);
8964 DisplayError(buf, 0);
8966 case ImpossibleMove:
8968 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8969 if (appData.debugMode) {
8970 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8971 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8972 setbuf(debugFP, NULL);
8974 DisplayError(buf, 0);
8977 if (boardIndex < backwardMostMove) {
8978 /* Oops, gap. How did that happen? */
8979 DisplayError(_("Gap in move list"), 0);
8982 backwardMostMove = blackPlaysFirst ? 1 : 0;
8983 if (boardIndex > forwardMostMove) {
8984 forwardMostMove = boardIndex;
8988 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8989 strcat(parseList[boardIndex-1], " ");
8990 strcat(parseList[boardIndex-1], yy_text);
9002 case GameUnfinished:
9003 if (gameMode == IcsExamining) {
9004 if (boardIndex < backwardMostMove) {
9005 /* Oops, gap. How did that happen? */
9008 backwardMostMove = blackPlaysFirst ? 1 : 0;
9011 gameInfo.result = moveType;
9012 p = strchr(yy_text, '{');
9013 if (p == NULL) p = strchr(yy_text, '(');
9016 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9018 q = strchr(p, *p == '{' ? '}' : ')');
9019 if (q != NULL) *q = NULLCHAR;
9022 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9023 gameInfo.resultDetails = StrSave(p);
9026 if (boardIndex >= forwardMostMove &&
9027 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9028 backwardMostMove = blackPlaysFirst ? 1 : 0;
9031 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9032 fromY, fromX, toY, toX, promoChar,
9033 parseList[boardIndex]);
9034 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9035 /* currentMoveString is set as a side-effect of yylex */
9036 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9037 strcat(moveList[boardIndex], "\n");
9039 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9040 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9046 if(gameInfo.variant != VariantShogi)
9047 strcat(parseList[boardIndex - 1], "+");
9051 strcat(parseList[boardIndex - 1], "#");
9058 /* Apply a move to the given board */
9060 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9061 int fromX, fromY, toX, toY;
9065 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9066 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9068 /* [HGM] compute & store e.p. status and castling rights for new position */
9069 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9071 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9072 oldEP = (signed char)board[EP_STATUS];
9073 board[EP_STATUS] = EP_NONE;
9075 if (fromY == DROP_RANK) {
9077 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9078 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9081 piece = board[toY][toX] = (ChessSquare) fromX;
9085 if( board[toY][toX] != EmptySquare )
9086 board[EP_STATUS] = EP_CAPTURE;
9088 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9089 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9090 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9092 if( board[fromY][fromX] == WhitePawn ) {
9093 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9094 board[EP_STATUS] = EP_PAWN_MOVE;
9096 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9097 gameInfo.variant != VariantBerolina || toX < fromX)
9098 board[EP_STATUS] = toX | berolina;
9099 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9100 gameInfo.variant != VariantBerolina || toX > fromX)
9101 board[EP_STATUS] = toX;
9104 if( board[fromY][fromX] == BlackPawn ) {
9105 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9106 board[EP_STATUS] = EP_PAWN_MOVE;
9107 if( toY-fromY== -2) {
9108 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9109 gameInfo.variant != VariantBerolina || toX < fromX)
9110 board[EP_STATUS] = toX | berolina;
9111 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9112 gameInfo.variant != VariantBerolina || toX > fromX)
9113 board[EP_STATUS] = toX;
9117 for(i=0; i<nrCastlingRights; i++) {
9118 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9119 board[CASTLING][i] == toX && castlingRank[i] == toY
9120 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9123 if (fromX == toX && fromY == toY) return;
9125 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9126 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9127 if(gameInfo.variant == VariantKnightmate)
9128 king += (int) WhiteUnicorn - (int) WhiteKing;
9130 /* Code added by Tord: */
9131 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9132 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9133 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9134 board[fromY][fromX] = EmptySquare;
9135 board[toY][toX] = EmptySquare;
9136 if((toX > fromX) != (piece == WhiteRook)) {
9137 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9139 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9141 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9142 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9143 board[fromY][fromX] = EmptySquare;
9144 board[toY][toX] = EmptySquare;
9145 if((toX > fromX) != (piece == BlackRook)) {
9146 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9148 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9150 /* End of code added by Tord */
9152 } else if (board[fromY][fromX] == king
9153 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9154 && toY == fromY && toX > fromX+1) {
9155 board[fromY][fromX] = EmptySquare;
9156 board[toY][toX] = king;
9157 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9158 board[fromY][BOARD_RGHT-1] = EmptySquare;
9159 } else if (board[fromY][fromX] == king
9160 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9161 && toY == fromY && toX < fromX-1) {
9162 board[fromY][fromX] = EmptySquare;
9163 board[toY][toX] = king;
9164 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9165 board[fromY][BOARD_LEFT] = EmptySquare;
9166 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9167 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9168 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9170 /* white pawn promotion */
9171 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9172 if(gameInfo.variant==VariantBughouse ||
9173 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9174 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9175 board[fromY][fromX] = EmptySquare;
9176 } else if ((fromY >= BOARD_HEIGHT>>1)
9178 && gameInfo.variant != VariantXiangqi
9179 && gameInfo.variant != VariantBerolina
9180 && (board[fromY][fromX] == WhitePawn)
9181 && (board[toY][toX] == EmptySquare)) {
9182 board[fromY][fromX] = EmptySquare;
9183 board[toY][toX] = WhitePawn;
9184 captured = board[toY - 1][toX];
9185 board[toY - 1][toX] = EmptySquare;
9186 } else if ((fromY == BOARD_HEIGHT-4)
9188 && gameInfo.variant == VariantBerolina
9189 && (board[fromY][fromX] == WhitePawn)
9190 && (board[toY][toX] == EmptySquare)) {
9191 board[fromY][fromX] = EmptySquare;
9192 board[toY][toX] = WhitePawn;
9193 if(oldEP & EP_BEROLIN_A) {
9194 captured = board[fromY][fromX-1];
9195 board[fromY][fromX-1] = EmptySquare;
9196 }else{ captured = board[fromY][fromX+1];
9197 board[fromY][fromX+1] = EmptySquare;
9199 } else if (board[fromY][fromX] == king
9200 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9201 && toY == fromY && toX > fromX+1) {
9202 board[fromY][fromX] = EmptySquare;
9203 board[toY][toX] = king;
9204 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9205 board[fromY][BOARD_RGHT-1] = EmptySquare;
9206 } else if (board[fromY][fromX] == king
9207 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9208 && toY == fromY && toX < fromX-1) {
9209 board[fromY][fromX] = EmptySquare;
9210 board[toY][toX] = king;
9211 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9212 board[fromY][BOARD_LEFT] = EmptySquare;
9213 } else if (fromY == 7 && fromX == 3
9214 && board[fromY][fromX] == BlackKing
9215 && toY == 7 && toX == 5) {
9216 board[fromY][fromX] = EmptySquare;
9217 board[toY][toX] = BlackKing;
9218 board[fromY][7] = EmptySquare;
9219 board[toY][4] = BlackRook;
9220 } else if (fromY == 7 && fromX == 3
9221 && board[fromY][fromX] == BlackKing
9222 && toY == 7 && toX == 1) {
9223 board[fromY][fromX] = EmptySquare;
9224 board[toY][toX] = BlackKing;
9225 board[fromY][0] = EmptySquare;
9226 board[toY][2] = BlackRook;
9227 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9228 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9229 && toY < promoRank && promoChar
9231 /* black pawn promotion */
9232 board[toY][toX] = CharToPiece(ToLower(promoChar));
9233 if(gameInfo.variant==VariantBughouse ||
9234 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9235 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9236 board[fromY][fromX] = EmptySquare;
9237 } else if ((fromY < BOARD_HEIGHT>>1)
9239 && gameInfo.variant != VariantXiangqi
9240 && gameInfo.variant != VariantBerolina
9241 && (board[fromY][fromX] == BlackPawn)
9242 && (board[toY][toX] == EmptySquare)) {
9243 board[fromY][fromX] = EmptySquare;
9244 board[toY][toX] = BlackPawn;
9245 captured = board[toY + 1][toX];
9246 board[toY + 1][toX] = EmptySquare;
9247 } else if ((fromY == 3)
9249 && gameInfo.variant == VariantBerolina
9250 && (board[fromY][fromX] == BlackPawn)
9251 && (board[toY][toX] == EmptySquare)) {
9252 board[fromY][fromX] = EmptySquare;
9253 board[toY][toX] = BlackPawn;
9254 if(oldEP & EP_BEROLIN_A) {
9255 captured = board[fromY][fromX-1];
9256 board[fromY][fromX-1] = EmptySquare;
9257 }else{ captured = board[fromY][fromX+1];
9258 board[fromY][fromX+1] = EmptySquare;
9261 board[toY][toX] = board[fromY][fromX];
9262 board[fromY][fromX] = EmptySquare;
9266 if (gameInfo.holdingsWidth != 0) {
9268 /* !!A lot more code needs to be written to support holdings */
9269 /* [HGM] OK, so I have written it. Holdings are stored in the */
9270 /* penultimate board files, so they are automaticlly stored */
9271 /* in the game history. */
9272 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9273 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9274 /* Delete from holdings, by decreasing count */
9275 /* and erasing image if necessary */
9276 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9277 if(p < (int) BlackPawn) { /* white drop */
9278 p -= (int)WhitePawn;
9279 p = PieceToNumber((ChessSquare)p);
9280 if(p >= gameInfo.holdingsSize) p = 0;
9281 if(--board[p][BOARD_WIDTH-2] <= 0)
9282 board[p][BOARD_WIDTH-1] = EmptySquare;
9283 if((int)board[p][BOARD_WIDTH-2] < 0)
9284 board[p][BOARD_WIDTH-2] = 0;
9285 } else { /* black drop */
9286 p -= (int)BlackPawn;
9287 p = PieceToNumber((ChessSquare)p);
9288 if(p >= gameInfo.holdingsSize) p = 0;
9289 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9290 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9291 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9292 board[BOARD_HEIGHT-1-p][1] = 0;
9295 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9296 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9297 /* [HGM] holdings: Add to holdings, if holdings exist */
9298 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9299 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9300 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9303 if (p >= (int) BlackPawn) {
9304 p -= (int)BlackPawn;
9305 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9306 /* in Shogi restore piece to its original first */
9307 captured = (ChessSquare) (DEMOTED captured);
9310 p = PieceToNumber((ChessSquare)p);
9311 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9312 board[p][BOARD_WIDTH-2]++;
9313 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9315 p -= (int)WhitePawn;
9316 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9317 captured = (ChessSquare) (DEMOTED captured);
9320 p = PieceToNumber((ChessSquare)p);
9321 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9322 board[BOARD_HEIGHT-1-p][1]++;
9323 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9326 } else if (gameInfo.variant == VariantAtomic) {
9327 if (captured != EmptySquare) {
9329 for (y = toY-1; y <= toY+1; y++) {
9330 for (x = toX-1; x <= toX+1; x++) {
9331 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9332 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9333 board[y][x] = EmptySquare;
9337 board[toY][toX] = EmptySquare;
9340 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9341 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9343 if(promoChar == '+') {
9344 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9345 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9346 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9347 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9349 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9350 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9351 // [HGM] superchess: take promotion piece out of holdings
9352 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9353 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9354 if(!--board[k][BOARD_WIDTH-2])
9355 board[k][BOARD_WIDTH-1] = EmptySquare;
9357 if(!--board[BOARD_HEIGHT-1-k][1])
9358 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9364 /* Updates forwardMostMove */
9366 MakeMove(fromX, fromY, toX, toY, promoChar)
9367 int fromX, fromY, toX, toY;
9370 // forwardMostMove++; // [HGM] bare: moved downstream
9372 (void) CoordsToAlgebraic(boards[forwardMostMove],
9373 PosFlags(forwardMostMove),
9374 fromY, fromX, toY, toX, promoChar,
9375 parseList[forwardMostMove]);
9377 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9378 int timeLeft; static int lastLoadFlag=0; int king, piece;
9379 piece = boards[forwardMostMove][fromY][fromX];
9380 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9381 if(gameInfo.variant == VariantKnightmate)
9382 king += (int) WhiteUnicorn - (int) WhiteKing;
9383 if(forwardMostMove == 0) {
9384 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9385 fprintf(serverMoves, "%s;", UserName());
9386 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9387 fprintf(serverMoves, "%s;", second.tidy);
9388 fprintf(serverMoves, "%s;", first.tidy);
9389 if(gameMode == MachinePlaysWhite)
9390 fprintf(serverMoves, "%s;", UserName());
9391 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9392 fprintf(serverMoves, "%s;", second.tidy);
9393 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9394 lastLoadFlag = loadFlag;
9396 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9397 // print castling suffix
9398 if( toY == fromY && piece == king ) {
9400 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9402 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9405 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9406 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9407 boards[forwardMostMove][toY][toX] == EmptySquare
9408 && fromX != toX && fromY != toY)
9409 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9411 if(promoChar != NULLCHAR)
9412 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9414 char buf[MOVE_LEN*2], *p; int len;
9415 fprintf(serverMoves, "/%d/%d",
9416 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9417 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9418 else timeLeft = blackTimeRemaining/1000;
9419 fprintf(serverMoves, "/%d", timeLeft);
9420 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9421 if(p = strchr(buf, '=')) *p = NULLCHAR;
9422 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9423 fprintf(serverMoves, "/%s", buf);
9425 fflush(serverMoves);
9428 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9429 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9432 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9433 if (commentList[forwardMostMove+1] != NULL) {
9434 free(commentList[forwardMostMove+1]);
9435 commentList[forwardMostMove+1] = NULL;
9437 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9438 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9439 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9440 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9441 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9442 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9443 adjustedClock = FALSE;
9444 gameInfo.result = GameUnfinished;
9445 if (gameInfo.resultDetails != NULL) {
9446 free(gameInfo.resultDetails);
9447 gameInfo.resultDetails = NULL;
9449 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9450 moveList[forwardMostMove - 1]);
9451 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9457 if(gameInfo.variant != VariantShogi)
9458 strcat(parseList[forwardMostMove - 1], "+");
9462 strcat(parseList[forwardMostMove - 1], "#");
9465 if (appData.debugMode) {
9466 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9471 /* Updates currentMove if not pausing */
9473 ShowMove(fromX, fromY, toX, toY)
9475 int instant = (gameMode == PlayFromGameFile) ?
9476 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9477 if(appData.noGUI) return;
9478 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9480 if (forwardMostMove == currentMove + 1) {
9481 AnimateMove(boards[forwardMostMove - 1],
9482 fromX, fromY, toX, toY);
9484 if (appData.highlightLastMove) {
9485 SetHighlights(fromX, fromY, toX, toY);
9488 currentMove = forwardMostMove;
9491 if (instant) return;
9493 DisplayMove(currentMove - 1);
9494 DrawPosition(FALSE, boards[currentMove]);
9495 DisplayBothClocks();
9496 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9499 void SendEgtPath(ChessProgramState *cps)
9500 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9501 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9503 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9506 char c, *q = name+1, *r, *s;
9508 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9509 while(*p && *p != ',') *q++ = *p++;
9511 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9512 strcmp(name, ",nalimov:") == 0 ) {
9513 // take nalimov path from the menu-changeable option first, if it is defined
9514 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9515 SendToProgram(buf,cps); // send egtbpath command for nalimov
9517 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9518 (s = StrStr(appData.egtFormats, name)) != NULL) {
9519 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9520 s = r = StrStr(s, ":") + 1; // beginning of path info
9521 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9522 c = *r; *r = 0; // temporarily null-terminate path info
9523 *--q = 0; // strip of trailig ':' from name
9524 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9526 SendToProgram(buf,cps); // send egtbpath command for this format
9528 if(*p == ',') p++; // read away comma to position for next format name
9533 InitChessProgram(cps, setup)
9534 ChessProgramState *cps;
9535 int setup; /* [HGM] needed to setup FRC opening position */
9537 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9538 if (appData.noChessProgram) return;
9539 hintRequested = FALSE;
9540 bookRequested = FALSE;
9542 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9543 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9544 if(cps->memSize) { /* [HGM] memory */
9545 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9546 SendToProgram(buf, cps);
9548 SendEgtPath(cps); /* [HGM] EGT */
9549 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9550 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9551 SendToProgram(buf, cps);
9554 SendToProgram(cps->initString, cps);
9555 if (gameInfo.variant != VariantNormal &&
9556 gameInfo.variant != VariantLoadable
9557 /* [HGM] also send variant if board size non-standard */
9558 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9560 char *v = VariantName(gameInfo.variant);
9561 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9562 /* [HGM] in protocol 1 we have to assume all variants valid */
9563 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9564 DisplayFatalError(buf, 0, 1);
9568 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9569 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9570 if( gameInfo.variant == VariantXiangqi )
9571 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9572 if( gameInfo.variant == VariantShogi )
9573 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9574 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9575 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9576 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9577 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9578 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9579 if( gameInfo.variant == VariantCourier )
9580 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9581 if( gameInfo.variant == VariantSuper )
9582 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9583 if( gameInfo.variant == VariantGreat )
9584 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9585 if( gameInfo.variant == VariantSChess )
9586 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9587 if( gameInfo.variant == VariantGrand )
9588 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9591 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9592 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9593 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9594 if(StrStr(cps->variants, b) == NULL) {
9595 // specific sized variant not known, check if general sizing allowed
9596 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9597 if(StrStr(cps->variants, "boardsize") == NULL) {
9598 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9599 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9600 DisplayFatalError(buf, 0, 1);
9603 /* [HGM] here we really should compare with the maximum supported board size */
9606 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9607 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9608 SendToProgram(buf, cps);
9610 currentlyInitializedVariant = gameInfo.variant;
9612 /* [HGM] send opening position in FRC to first engine */
9614 SendToProgram("force\n", cps);
9616 /* engine is now in force mode! Set flag to wake it up after first move. */
9617 setboardSpoiledMachineBlack = 1;
9621 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9622 SendToProgram(buf, cps);
9624 cps->maybeThinking = FALSE;
9625 cps->offeredDraw = 0;
9626 if (!appData.icsActive) {
9627 SendTimeControl(cps, movesPerSession, timeControl,
9628 timeIncrement, appData.searchDepth,
9631 if (appData.showThinking
9632 // [HGM] thinking: four options require thinking output to be sent
9633 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9635 SendToProgram("post\n", cps);
9637 SendToProgram("hard\n", cps);
9638 if (!appData.ponderNextMove) {
9639 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9640 it without being sure what state we are in first. "hard"
9641 is not a toggle, so that one is OK.
9643 SendToProgram("easy\n", cps);
9646 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9647 SendToProgram(buf, cps);
9649 cps->initDone = TRUE;
9650 ClearEngineOutputPane(cps == &second);
9655 StartChessProgram(cps)
9656 ChessProgramState *cps;
9661 if (appData.noChessProgram) return;
9662 cps->initDone = FALSE;
9664 if (strcmp(cps->host, "localhost") == 0) {
9665 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9666 } else if (*appData.remoteShell == NULLCHAR) {
9667 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9669 if (*appData.remoteUser == NULLCHAR) {
9670 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9673 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9674 cps->host, appData.remoteUser, cps->program);
9676 err = StartChildProcess(buf, "", &cps->pr);
9680 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9681 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9682 if(cps != &first) return;
9683 appData.noChessProgram = TRUE;
9686 // DisplayFatalError(buf, err, 1);
9687 // cps->pr = NoProc;
9692 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9693 if (cps->protocolVersion > 1) {
9694 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9695 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9696 cps->comboCnt = 0; // and values of combo boxes
9697 SendToProgram(buf, cps);
9699 SendToProgram("xboard\n", cps);
9704 TwoMachinesEventIfReady P((void))
9706 static int curMess = 0;
9707 if (first.lastPing != first.lastPong) {
9708 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9709 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9712 if (second.lastPing != second.lastPong) {
9713 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9714 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9717 DisplayMessage("", ""); curMess = 0;
9723 MakeName(char *template)
9727 static char buf[MSG_SIZ];
9731 clock = time((time_t *)NULL);
9732 tm = localtime(&clock);
9734 while(*p++ = *template++) if(p[-1] == '%') {
9735 switch(*template++) {
9736 case 0: *p = 0; return buf;
9737 case 'Y': i = tm->tm_year+1900; break;
9738 case 'y': i = tm->tm_year-100; break;
9739 case 'M': i = tm->tm_mon+1; break;
9740 case 'd': i = tm->tm_mday; break;
9741 case 'h': i = tm->tm_hour; break;
9742 case 'm': i = tm->tm_min; break;
9743 case 's': i = tm->tm_sec; break;
9746 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9752 CountPlayers(char *p)
9755 while(p = strchr(p, '\n')) p++, n++; // count participants
9760 WriteTourneyFile(char *results, FILE *f)
9761 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9762 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9763 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9764 // create a file with tournament description
9765 fprintf(f, "-participants {%s}\n", appData.participants);
9766 fprintf(f, "-seedBase %d\n", appData.seedBase);
9767 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9768 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9769 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9770 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9771 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9772 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9773 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9774 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9775 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9776 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9777 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9778 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9780 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9782 fprintf(f, "-mps %d\n", appData.movesPerSession);
9783 fprintf(f, "-tc %s\n", appData.timeControl);
9784 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9786 fprintf(f, "-results \"%s\"\n", results);
9791 #define MAXENGINES 1000
9792 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9794 void Substitute(char *participants, int expunge)
9796 int i, changed, changes=0, nPlayers=0;
9797 char *p, *q, *r, buf[MSG_SIZ];
9798 if(participants == NULL) return;
9799 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9800 r = p = participants; q = appData.participants;
9801 while(*p && *p == *q) {
9802 if(*p == '\n') r = p+1, nPlayers++;
9805 if(*p) { // difference
9806 while(*p && *p++ != '\n');
9807 while(*q && *q++ != '\n');
9809 changes = 1 + (strcmp(p, q) != 0);
9811 if(changes == 1) { // a single engine mnemonic was changed
9812 q = r; while(*q) nPlayers += (*q++ == '\n');
9813 p = buf; while(*r && (*p = *r++) != '\n') p++;
9815 NamesToList(firstChessProgramNames, command, mnemonic);
9816 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9817 if(mnemonic[i]) { // The substitute is valid
9819 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9820 flock(fileno(f), LOCK_EX);
9821 ParseArgsFromFile(f);
9822 fseek(f, 0, SEEK_SET);
9823 FREE(appData.participants); appData.participants = participants;
9824 if(expunge) { // erase results of replaced engine
9825 int len = strlen(appData.results), w, b, dummy;
9826 for(i=0; i<len; i++) {
9827 Pairing(i, nPlayers, &w, &b, &dummy);
9828 if((w == changed || b == changed) && appData.results[i] == '*') {
9829 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9834 for(i=0; i<len; i++) {
9835 Pairing(i, nPlayers, &w, &b, &dummy);
9836 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9839 WriteTourneyFile(appData.results, f);
9840 fclose(f); // release lock
9843 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9845 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9846 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9852 CreateTourney(char *name)
9855 if(matchMode && strcmp(name, appData.tourneyFile)) {
9856 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9858 if(name[0] == NULLCHAR) {
9859 if(appData.participants[0])
9860 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9863 f = fopen(name, "r");
9864 if(f) { // file exists
9865 ASSIGN(appData.tourneyFile, name);
9866 ParseArgsFromFile(f); // parse it
9868 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9869 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9870 DisplayError(_("Not enough participants"), 0);
9873 ASSIGN(appData.tourneyFile, name);
9874 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9875 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9878 appData.noChessProgram = FALSE;
9879 appData.clockMode = TRUE;
9884 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9886 char buf[MSG_SIZ], *p, *q;
9890 while(*p && *p != '\n') *q++ = *p++;
9892 if(engineList[i]) free(engineList[i]);
9893 engineList[i] = strdup(buf);
9895 TidyProgramName(engineList[i], "localhost", buf);
9896 if(engineMnemonic[i]) free(engineMnemonic[i]);
9897 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9899 sscanf(q + 8, "%s", buf + strlen(buf));
9902 engineMnemonic[i] = strdup(buf);
9904 if(i > MAXENGINES - 2) break;
9906 engineList[i] = engineMnemonic[i] = NULL;
9909 // following implemented as macro to avoid type limitations
9910 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9912 void SwapEngines(int n)
9913 { // swap settings for first engine and other engine (so far only some selected options)
9918 SWAP(chessProgram, p)
9920 SWAP(hasOwnBookUCI, h)
9921 SWAP(protocolVersion, h)
9923 SWAP(scoreIsAbsolute, h)
9932 SetPlayer(int player)
9933 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9935 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9936 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9937 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9938 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9940 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9941 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9942 appData.firstHasOwnBookUCI = !appData.defNoBook;
9943 ParseArgsFromString(buf);
9949 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9950 { // determine players from game number
9951 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9953 if(appData.tourneyType == 0) {
9954 roundsPerCycle = (nPlayers - 1) | 1;
9955 pairingsPerRound = nPlayers / 2;
9956 } else if(appData.tourneyType > 0) {
9957 roundsPerCycle = nPlayers - appData.tourneyType;
9958 pairingsPerRound = appData.tourneyType;
9960 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9961 gamesPerCycle = gamesPerRound * roundsPerCycle;
9962 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9963 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9964 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9965 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9966 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9967 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9969 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9970 if(appData.roundSync) *syncInterval = gamesPerRound;
9972 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9974 if(appData.tourneyType == 0) {
9975 if(curPairing == (nPlayers-1)/2 ) {
9976 *whitePlayer = curRound;
9977 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9979 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9980 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9981 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9982 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9984 } else if(appData.tourneyType > 0) {
9985 *whitePlayer = curPairing;
9986 *blackPlayer = curRound + appData.tourneyType;
9989 // take care of white/black alternation per round.
9990 // For cycles and games this is already taken care of by default, derived from matchGame!
9991 return curRound & 1;
9995 NextTourneyGame(int nr, int *swapColors)
9996 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9998 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10000 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10001 tf = fopen(appData.tourneyFile, "r");
10002 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10003 ParseArgsFromFile(tf); fclose(tf);
10004 InitTimeControls(); // TC might be altered from tourney file
10006 nPlayers = CountPlayers(appData.participants); // count participants
10007 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10008 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10011 p = q = appData.results;
10012 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10013 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10014 DisplayMessage(_("Waiting for other game(s)"),"");
10015 waitingForGame = TRUE;
10016 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10019 waitingForGame = FALSE;
10022 if(appData.tourneyType < 0) {
10023 if(nr>=0 && !pairingReceived) {
10025 if(pairing.pr == NoProc) {
10026 if(!appData.pairingEngine[0]) {
10027 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10030 StartChessProgram(&pairing); // starts the pairing engine
10032 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10033 SendToProgram(buf, &pairing);
10034 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10035 SendToProgram(buf, &pairing);
10036 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10038 pairingReceived = 0; // ... so we continue here
10040 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10041 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10042 matchGame = 1; roundNr = nr / syncInterval + 1;
10045 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10047 // redefine engines, engine dir, etc.
10048 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10049 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10051 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10052 SwapEngines(1); // and make that valid for second engine by swapping
10053 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10054 InitEngine(&second, 1);
10055 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10056 UpdateLogos(FALSE); // leave display to ModeHiglight()
10062 { // performs game initialization that does not invoke engines, and then tries to start the game
10063 int res, firstWhite, swapColors = 0;
10064 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10065 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10066 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10067 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10068 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10069 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10070 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10071 Reset(FALSE, first.pr != NoProc);
10072 res = LoadGameOrPosition(matchGame); // setup game
10073 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10074 if(!res) return; // abort when bad game/pos file
10075 TwoMachinesEvent();
10078 void UserAdjudicationEvent( int result )
10080 ChessMove gameResult = GameIsDrawn;
10083 gameResult = WhiteWins;
10085 else if( result < 0 ) {
10086 gameResult = BlackWins;
10089 if( gameMode == TwoMachinesPlay ) {
10090 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10095 // [HGM] save: calculate checksum of game to make games easily identifiable
10096 int StringCheckSum(char *s)
10099 if(s==NULL) return 0;
10100 while(*s) i = i*259 + *s++;
10107 for(i=backwardMostMove; i<forwardMostMove; i++) {
10108 sum += pvInfoList[i].depth;
10109 sum += StringCheckSum(parseList[i]);
10110 sum += StringCheckSum(commentList[i]);
10113 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10114 return sum + StringCheckSum(commentList[i]);
10115 } // end of save patch
10118 GameEnds(result, resultDetails, whosays)
10120 char *resultDetails;
10123 GameMode nextGameMode;
10125 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10127 if(endingGame) return; /* [HGM] crash: forbid recursion */
10129 if(twoBoards) { // [HGM] dual: switch back to one board
10130 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10131 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10133 if (appData.debugMode) {
10134 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10135 result, resultDetails ? resultDetails : "(null)", whosays);
10138 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10140 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10141 /* If we are playing on ICS, the server decides when the
10142 game is over, but the engine can offer to draw, claim
10146 if (appData.zippyPlay && first.initDone) {
10147 if (result == GameIsDrawn) {
10148 /* In case draw still needs to be claimed */
10149 SendToICS(ics_prefix);
10150 SendToICS("draw\n");
10151 } else if (StrCaseStr(resultDetails, "resign")) {
10152 SendToICS(ics_prefix);
10153 SendToICS("resign\n");
10157 endingGame = 0; /* [HGM] crash */
10161 /* If we're loading the game from a file, stop */
10162 if (whosays == GE_FILE) {
10163 (void) StopLoadGameTimer();
10167 /* Cancel draw offers */
10168 first.offeredDraw = second.offeredDraw = 0;
10170 /* If this is an ICS game, only ICS can really say it's done;
10171 if not, anyone can. */
10172 isIcsGame = (gameMode == IcsPlayingWhite ||
10173 gameMode == IcsPlayingBlack ||
10174 gameMode == IcsObserving ||
10175 gameMode == IcsExamining);
10177 if (!isIcsGame || whosays == GE_ICS) {
10178 /* OK -- not an ICS game, or ICS said it was done */
10180 if (!isIcsGame && !appData.noChessProgram)
10181 SetUserThinkingEnables();
10183 /* [HGM] if a machine claims the game end we verify this claim */
10184 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10185 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10187 ChessMove trueResult = (ChessMove) -1;
10189 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10190 first.twoMachinesColor[0] :
10191 second.twoMachinesColor[0] ;
10193 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10194 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10195 /* [HGM] verify: engine mate claims accepted if they were flagged */
10196 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10198 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10199 /* [HGM] verify: engine mate claims accepted if they were flagged */
10200 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10202 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10203 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10206 // now verify win claims, but not in drop games, as we don't understand those yet
10207 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10208 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10209 (result == WhiteWins && claimer == 'w' ||
10210 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10211 if (appData.debugMode) {
10212 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10213 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10215 if(result != trueResult) {
10216 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10217 result = claimer == 'w' ? BlackWins : WhiteWins;
10218 resultDetails = buf;
10221 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10222 && (forwardMostMove <= backwardMostMove ||
10223 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10224 (claimer=='b')==(forwardMostMove&1))
10226 /* [HGM] verify: draws that were not flagged are false claims */
10227 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10228 result = claimer == 'w' ? BlackWins : WhiteWins;
10229 resultDetails = buf;
10231 /* (Claiming a loss is accepted no questions asked!) */
10233 /* [HGM] bare: don't allow bare King to win */
10234 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10235 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10236 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10237 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10238 && result != GameIsDrawn)
10239 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10240 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10241 int p = (signed char)boards[forwardMostMove][i][j] - color;
10242 if(p >= 0 && p <= (int)WhiteKing) k++;
10244 if (appData.debugMode) {
10245 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10246 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10249 result = GameIsDrawn;
10250 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10251 resultDetails = buf;
10257 if(serverMoves != NULL && !loadFlag) { char c = '=';
10258 if(result==WhiteWins) c = '+';
10259 if(result==BlackWins) c = '-';
10260 if(resultDetails != NULL)
10261 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10263 if (resultDetails != NULL) {
10264 gameInfo.result = result;
10265 gameInfo.resultDetails = StrSave(resultDetails);
10267 /* display last move only if game was not loaded from file */
10268 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10269 DisplayMove(currentMove - 1);
10271 if (forwardMostMove != 0) {
10272 if (gameMode != PlayFromGameFile && gameMode != EditGame
10273 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10275 if (*appData.saveGameFile != NULLCHAR) {
10276 SaveGameToFile(appData.saveGameFile, TRUE);
10277 } else if (appData.autoSaveGames) {
10280 if (*appData.savePositionFile != NULLCHAR) {
10281 SavePositionToFile(appData.savePositionFile);
10286 /* Tell program how game ended in case it is learning */
10287 /* [HGM] Moved this to after saving the PGN, just in case */
10288 /* engine died and we got here through time loss. In that */
10289 /* case we will get a fatal error writing the pipe, which */
10290 /* would otherwise lose us the PGN. */
10291 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10292 /* output during GameEnds should never be fatal anymore */
10293 if (gameMode == MachinePlaysWhite ||
10294 gameMode == MachinePlaysBlack ||
10295 gameMode == TwoMachinesPlay ||
10296 gameMode == IcsPlayingWhite ||
10297 gameMode == IcsPlayingBlack ||
10298 gameMode == BeginningOfGame) {
10300 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10302 if (first.pr != NoProc) {
10303 SendToProgram(buf, &first);
10305 if (second.pr != NoProc &&
10306 gameMode == TwoMachinesPlay) {
10307 SendToProgram(buf, &second);
10312 if (appData.icsActive) {
10313 if (appData.quietPlay &&
10314 (gameMode == IcsPlayingWhite ||
10315 gameMode == IcsPlayingBlack)) {
10316 SendToICS(ics_prefix);
10317 SendToICS("set shout 1\n");
10319 nextGameMode = IcsIdle;
10320 ics_user_moved = FALSE;
10321 /* clean up premove. It's ugly when the game has ended and the
10322 * premove highlights are still on the board.
10325 gotPremove = FALSE;
10326 ClearPremoveHighlights();
10327 DrawPosition(FALSE, boards[currentMove]);
10329 if (whosays == GE_ICS) {
10332 if (gameMode == IcsPlayingWhite)
10334 else if(gameMode == IcsPlayingBlack)
10335 PlayIcsLossSound();
10338 if (gameMode == IcsPlayingBlack)
10340 else if(gameMode == IcsPlayingWhite)
10341 PlayIcsLossSound();
10344 PlayIcsDrawSound();
10347 PlayIcsUnfinishedSound();
10350 } else if (gameMode == EditGame ||
10351 gameMode == PlayFromGameFile ||
10352 gameMode == AnalyzeMode ||
10353 gameMode == AnalyzeFile) {
10354 nextGameMode = gameMode;
10356 nextGameMode = EndOfGame;
10361 nextGameMode = gameMode;
10364 if (appData.noChessProgram) {
10365 gameMode = nextGameMode;
10367 endingGame = 0; /* [HGM] crash */
10372 /* Put first chess program into idle state */
10373 if (first.pr != NoProc &&
10374 (gameMode == MachinePlaysWhite ||
10375 gameMode == MachinePlaysBlack ||
10376 gameMode == TwoMachinesPlay ||
10377 gameMode == IcsPlayingWhite ||
10378 gameMode == IcsPlayingBlack ||
10379 gameMode == BeginningOfGame)) {
10380 SendToProgram("force\n", &first);
10381 if (first.usePing) {
10383 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10384 SendToProgram(buf, &first);
10387 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10388 /* Kill off first chess program */
10389 if (first.isr != NULL)
10390 RemoveInputSource(first.isr);
10393 if (first.pr != NoProc) {
10395 DoSleep( appData.delayBeforeQuit );
10396 SendToProgram("quit\n", &first);
10397 DoSleep( appData.delayAfterQuit );
10398 DestroyChildProcess(first.pr, first.useSigterm);
10402 if (second.reuse) {
10403 /* Put second chess program into idle state */
10404 if (second.pr != NoProc &&
10405 gameMode == TwoMachinesPlay) {
10406 SendToProgram("force\n", &second);
10407 if (second.usePing) {
10409 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10410 SendToProgram(buf, &second);
10413 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10414 /* Kill off second chess program */
10415 if (second.isr != NULL)
10416 RemoveInputSource(second.isr);
10419 if (second.pr != NoProc) {
10420 DoSleep( appData.delayBeforeQuit );
10421 SendToProgram("quit\n", &second);
10422 DoSleep( appData.delayAfterQuit );
10423 DestroyChildProcess(second.pr, second.useSigterm);
10425 second.pr = NoProc;
10428 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10429 char resChar = '=';
10433 if (first.twoMachinesColor[0] == 'w') {
10436 second.matchWins++;
10441 if (first.twoMachinesColor[0] == 'b') {
10444 second.matchWins++;
10447 case GameUnfinished:
10453 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10454 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10455 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10456 ReserveGame(nextGame, resChar); // sets nextGame
10457 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10458 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10459 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10461 if (nextGame <= appData.matchGames && !abortMatch) {
10462 gameMode = nextGameMode;
10463 matchGame = nextGame; // this will be overruled in tourney mode!
10464 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10465 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10466 endingGame = 0; /* [HGM] crash */
10469 gameMode = nextGameMode;
10470 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10471 first.tidy, second.tidy,
10472 first.matchWins, second.matchWins,
10473 appData.matchGames - (first.matchWins + second.matchWins));
10474 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10475 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10476 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10477 first.twoMachinesColor = "black\n";
10478 second.twoMachinesColor = "white\n";
10480 first.twoMachinesColor = "white\n";
10481 second.twoMachinesColor = "black\n";
10485 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10486 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10488 gameMode = nextGameMode;
10490 endingGame = 0; /* [HGM] crash */
10491 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10492 if(matchMode == TRUE) { // match through command line: exit with or without popup
10494 ToNrEvent(forwardMostMove);
10495 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10497 } else DisplayFatalError(buf, 0, 0);
10498 } else { // match through menu; just stop, with or without popup
10499 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10502 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10503 } else DisplayNote(buf);
10505 if(ranking) free(ranking);
10509 /* Assumes program was just initialized (initString sent).
10510 Leaves program in force mode. */
10512 FeedMovesToProgram(cps, upto)
10513 ChessProgramState *cps;
10518 if (appData.debugMode)
10519 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10520 startedFromSetupPosition ? "position and " : "",
10521 backwardMostMove, upto, cps->which);
10522 if(currentlyInitializedVariant != gameInfo.variant) {
10524 // [HGM] variantswitch: make engine aware of new variant
10525 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10526 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10527 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10528 SendToProgram(buf, cps);
10529 currentlyInitializedVariant = gameInfo.variant;
10531 SendToProgram("force\n", cps);
10532 if (startedFromSetupPosition) {
10533 SendBoard(cps, backwardMostMove);
10534 if (appData.debugMode) {
10535 fprintf(debugFP, "feedMoves\n");
10538 for (i = backwardMostMove; i < upto; i++) {
10539 SendMoveToProgram(i, cps);
10545 ResurrectChessProgram()
10547 /* The chess program may have exited.
10548 If so, restart it and feed it all the moves made so far. */
10549 static int doInit = 0;
10551 if (appData.noChessProgram) return 1;
10553 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10554 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10555 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10556 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10558 if (first.pr != NoProc) return 1;
10559 StartChessProgram(&first);
10561 InitChessProgram(&first, FALSE);
10562 FeedMovesToProgram(&first, currentMove);
10564 if (!first.sendTime) {
10565 /* can't tell gnuchess what its clock should read,
10566 so we bow to its notion. */
10568 timeRemaining[0][currentMove] = whiteTimeRemaining;
10569 timeRemaining[1][currentMove] = blackTimeRemaining;
10572 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10573 appData.icsEngineAnalyze) && first.analysisSupport) {
10574 SendToProgram("analyze\n", &first);
10575 first.analyzing = TRUE;
10581 * Button procedures
10584 Reset(redraw, init)
10589 if (appData.debugMode) {
10590 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10591 redraw, init, gameMode);
10593 CleanupTail(); // [HGM] vari: delete any stored variations
10594 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10595 pausing = pauseExamInvalid = FALSE;
10596 startedFromSetupPosition = blackPlaysFirst = FALSE;
10598 whiteFlag = blackFlag = FALSE;
10599 userOfferedDraw = FALSE;
10600 hintRequested = bookRequested = FALSE;
10601 first.maybeThinking = FALSE;
10602 second.maybeThinking = FALSE;
10603 first.bookSuspend = FALSE; // [HGM] book
10604 second.bookSuspend = FALSE;
10605 thinkOutput[0] = NULLCHAR;
10606 lastHint[0] = NULLCHAR;
10607 ClearGameInfo(&gameInfo);
10608 gameInfo.variant = StringToVariant(appData.variant);
10609 ics_user_moved = ics_clock_paused = FALSE;
10610 ics_getting_history = H_FALSE;
10612 white_holding[0] = black_holding[0] = NULLCHAR;
10613 ClearProgramStats();
10614 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10618 flipView = appData.flipView;
10619 ClearPremoveHighlights();
10620 gotPremove = FALSE;
10621 alarmSounded = FALSE;
10623 GameEnds(EndOfFile, NULL, GE_PLAYER);
10624 if(appData.serverMovesName != NULL) {
10625 /* [HGM] prepare to make moves file for broadcasting */
10626 clock_t t = clock();
10627 if(serverMoves != NULL) fclose(serverMoves);
10628 serverMoves = fopen(appData.serverMovesName, "r");
10629 if(serverMoves != NULL) {
10630 fclose(serverMoves);
10631 /* delay 15 sec before overwriting, so all clients can see end */
10632 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10634 serverMoves = fopen(appData.serverMovesName, "w");
10638 gameMode = BeginningOfGame;
10640 if(appData.icsActive) gameInfo.variant = VariantNormal;
10641 currentMove = forwardMostMove = backwardMostMove = 0;
10642 InitPosition(redraw);
10643 for (i = 0; i < MAX_MOVES; i++) {
10644 if (commentList[i] != NULL) {
10645 free(commentList[i]);
10646 commentList[i] = NULL;
10650 timeRemaining[0][0] = whiteTimeRemaining;
10651 timeRemaining[1][0] = blackTimeRemaining;
10653 if (first.pr == NoProc) {
10654 StartChessProgram(&first);
10657 InitChessProgram(&first, startedFromSetupPosition);
10660 DisplayMessage("", "");
10661 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10662 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10669 if (!AutoPlayOneMove())
10671 if (matchMode || appData.timeDelay == 0)
10673 if (appData.timeDelay < 0)
10675 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10684 int fromX, fromY, toX, toY;
10686 if (appData.debugMode) {
10687 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10690 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10693 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10694 pvInfoList[currentMove].depth = programStats.depth;
10695 pvInfoList[currentMove].score = programStats.score;
10696 pvInfoList[currentMove].time = 0;
10697 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10700 if (currentMove >= forwardMostMove) {
10701 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10702 // gameMode = EndOfGame;
10703 // ModeHighlight();
10705 /* [AS] Clear current move marker at the end of a game */
10706 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10711 toX = moveList[currentMove][2] - AAA;
10712 toY = moveList[currentMove][3] - ONE;
10714 if (moveList[currentMove][1] == '@') {
10715 if (appData.highlightLastMove) {
10716 SetHighlights(-1, -1, toX, toY);
10719 fromX = moveList[currentMove][0] - AAA;
10720 fromY = moveList[currentMove][1] - ONE;
10722 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10724 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10726 if (appData.highlightLastMove) {
10727 SetHighlights(fromX, fromY, toX, toY);
10730 DisplayMove(currentMove);
10731 SendMoveToProgram(currentMove++, &first);
10732 DisplayBothClocks();
10733 DrawPosition(FALSE, boards[currentMove]);
10734 // [HGM] PV info: always display, routine tests if empty
10735 DisplayComment(currentMove - 1, commentList[currentMove]);
10741 LoadGameOneMove(readAhead)
10742 ChessMove readAhead;
10744 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10745 char promoChar = NULLCHAR;
10746 ChessMove moveType;
10747 char move[MSG_SIZ];
10750 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10751 gameMode != AnalyzeMode && gameMode != Training) {
10756 yyboardindex = forwardMostMove;
10757 if (readAhead != EndOfFile) {
10758 moveType = readAhead;
10760 if (gameFileFP == NULL)
10762 moveType = (ChessMove) Myylex();
10766 switch (moveType) {
10768 if (appData.debugMode)
10769 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10772 /* append the comment but don't display it */
10773 AppendComment(currentMove, p, FALSE);
10776 case WhiteCapturesEnPassant:
10777 case BlackCapturesEnPassant:
10778 case WhitePromotion:
10779 case BlackPromotion:
10780 case WhiteNonPromotion:
10781 case BlackNonPromotion:
10783 case WhiteKingSideCastle:
10784 case WhiteQueenSideCastle:
10785 case BlackKingSideCastle:
10786 case BlackQueenSideCastle:
10787 case WhiteKingSideCastleWild:
10788 case WhiteQueenSideCastleWild:
10789 case BlackKingSideCastleWild:
10790 case BlackQueenSideCastleWild:
10792 case WhiteHSideCastleFR:
10793 case WhiteASideCastleFR:
10794 case BlackHSideCastleFR:
10795 case BlackASideCastleFR:
10797 if (appData.debugMode)
10798 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10799 fromX = currentMoveString[0] - AAA;
10800 fromY = currentMoveString[1] - ONE;
10801 toX = currentMoveString[2] - AAA;
10802 toY = currentMoveString[3] - ONE;
10803 promoChar = currentMoveString[4];
10808 if (appData.debugMode)
10809 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10810 fromX = moveType == WhiteDrop ?
10811 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10812 (int) CharToPiece(ToLower(currentMoveString[0]));
10814 toX = currentMoveString[2] - AAA;
10815 toY = currentMoveString[3] - ONE;
10821 case GameUnfinished:
10822 if (appData.debugMode)
10823 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10824 p = strchr(yy_text, '{');
10825 if (p == NULL) p = strchr(yy_text, '(');
10828 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10830 q = strchr(p, *p == '{' ? '}' : ')');
10831 if (q != NULL) *q = NULLCHAR;
10834 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10835 GameEnds(moveType, p, GE_FILE);
10837 if (cmailMsgLoaded) {
10839 flipView = WhiteOnMove(currentMove);
10840 if (moveType == GameUnfinished) flipView = !flipView;
10841 if (appData.debugMode)
10842 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10847 if (appData.debugMode)
10848 fprintf(debugFP, "Parser hit end of file\n");
10849 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10855 if (WhiteOnMove(currentMove)) {
10856 GameEnds(BlackWins, "Black mates", GE_FILE);
10858 GameEnds(WhiteWins, "White mates", GE_FILE);
10862 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10868 case MoveNumberOne:
10869 if (lastLoadGameStart == GNUChessGame) {
10870 /* GNUChessGames have numbers, but they aren't move numbers */
10871 if (appData.debugMode)
10872 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10873 yy_text, (int) moveType);
10874 return LoadGameOneMove(EndOfFile); /* tail recursion */
10876 /* else fall thru */
10881 /* Reached start of next game in file */
10882 if (appData.debugMode)
10883 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10884 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10890 if (WhiteOnMove(currentMove)) {
10891 GameEnds(BlackWins, "Black mates", GE_FILE);
10893 GameEnds(WhiteWins, "White mates", GE_FILE);
10897 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10903 case PositionDiagram: /* should not happen; ignore */
10904 case ElapsedTime: /* ignore */
10905 case NAG: /* ignore */
10906 if (appData.debugMode)
10907 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10908 yy_text, (int) moveType);
10909 return LoadGameOneMove(EndOfFile); /* tail recursion */
10912 if (appData.testLegality) {
10913 if (appData.debugMode)
10914 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10915 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10916 (forwardMostMove / 2) + 1,
10917 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10918 DisplayError(move, 0);
10921 if (appData.debugMode)
10922 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10923 yy_text, currentMoveString);
10924 fromX = currentMoveString[0] - AAA;
10925 fromY = currentMoveString[1] - ONE;
10926 toX = currentMoveString[2] - AAA;
10927 toY = currentMoveString[3] - ONE;
10928 promoChar = currentMoveString[4];
10932 case AmbiguousMove:
10933 if (appData.debugMode)
10934 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10935 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10936 (forwardMostMove / 2) + 1,
10937 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10938 DisplayError(move, 0);
10943 case ImpossibleMove:
10944 if (appData.debugMode)
10945 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10946 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10947 (forwardMostMove / 2) + 1,
10948 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10949 DisplayError(move, 0);
10955 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10956 DrawPosition(FALSE, boards[currentMove]);
10957 DisplayBothClocks();
10958 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10959 DisplayComment(currentMove - 1, commentList[currentMove]);
10961 (void) StopLoadGameTimer();
10963 cmailOldMove = forwardMostMove;
10966 /* currentMoveString is set as a side-effect of yylex */
10968 thinkOutput[0] = NULLCHAR;
10969 MakeMove(fromX, fromY, toX, toY, promoChar);
10970 currentMove = forwardMostMove;
10975 /* Load the nth game from the given file */
10977 LoadGameFromFile(filename, n, title, useList)
10981 /*Boolean*/ int useList;
10986 if (strcmp(filename, "-") == 0) {
10990 f = fopen(filename, "rb");
10992 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10993 DisplayError(buf, errno);
10997 if (fseek(f, 0, 0) == -1) {
10998 /* f is not seekable; probably a pipe */
11001 if (useList && n == 0) {
11002 int error = GameListBuild(f);
11004 DisplayError(_("Cannot build game list"), error);
11005 } else if (!ListEmpty(&gameList) &&
11006 ((ListGame *) gameList.tailPred)->number > 1) {
11007 GameListPopUp(f, title);
11014 return LoadGame(f, n, title, FALSE);
11019 MakeRegisteredMove()
11021 int fromX, fromY, toX, toY;
11023 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11024 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11027 if (appData.debugMode)
11028 fprintf(debugFP, "Restoring %s for game %d\n",
11029 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11031 thinkOutput[0] = NULLCHAR;
11032 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11033 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11034 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11035 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11036 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11037 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11038 MakeMove(fromX, fromY, toX, toY, promoChar);
11039 ShowMove(fromX, fromY, toX, toY);
11041 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11048 if (WhiteOnMove(currentMove)) {
11049 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11051 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11056 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11063 if (WhiteOnMove(currentMove)) {
11064 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11066 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11071 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11082 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11084 CmailLoadGame(f, gameNumber, title, useList)
11092 if (gameNumber > nCmailGames) {
11093 DisplayError(_("No more games in this message"), 0);
11096 if (f == lastLoadGameFP) {
11097 int offset = gameNumber - lastLoadGameNumber;
11099 cmailMsg[0] = NULLCHAR;
11100 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11101 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11102 nCmailMovesRegistered--;
11104 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11105 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11106 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11109 if (! RegisterMove()) return FALSE;
11113 retVal = LoadGame(f, gameNumber, title, useList);
11115 /* Make move registered during previous look at this game, if any */
11116 MakeRegisteredMove();
11118 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11119 commentList[currentMove]
11120 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11121 DisplayComment(currentMove - 1, commentList[currentMove]);
11127 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11132 int gameNumber = lastLoadGameNumber + offset;
11133 if (lastLoadGameFP == NULL) {
11134 DisplayError(_("No game has been loaded yet"), 0);
11137 if (gameNumber <= 0) {
11138 DisplayError(_("Can't back up any further"), 0);
11141 if (cmailMsgLoaded) {
11142 return CmailLoadGame(lastLoadGameFP, gameNumber,
11143 lastLoadGameTitle, lastLoadGameUseList);
11145 return LoadGame(lastLoadGameFP, gameNumber,
11146 lastLoadGameTitle, lastLoadGameUseList);
11150 int keys[EmptySquare+1];
11153 PositionMatches(Board b1, Board b2)
11156 switch(appData.searchMode) {
11157 case 1: return CompareWithRights(b1, b2);
11159 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11160 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11164 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11165 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11166 sum += keys[b1[r][f]] - keys[b2[r][f]];
11170 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11171 sum += keys[b1[r][f]] - keys[b2[r][f]];
11183 int pieceList[256], quickBoard[256];
11184 ChessSquare pieceType[256] = { EmptySquare };
11185 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11186 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11187 int soughtTotal, turn;
11188 Boolean epOK, flipSearch;
11191 unsigned char piece, to;
11194 #define DSIZE (250000)
11196 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11197 Move *moveDatabase = initialSpace;
11198 unsigned int movePtr, dataSize = DSIZE;
11200 int MakePieceList(Board board, int *counts)
11202 int r, f, n=Q_PROMO, total=0;
11203 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11204 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11205 int sq = f + (r<<4);
11206 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11207 quickBoard[sq] = ++n;
11209 pieceType[n] = board[r][f];
11210 counts[board[r][f]]++;
11211 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11212 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11216 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11220 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11222 int sq = fromX + (fromY<<4);
11223 int piece = quickBoard[sq];
11224 quickBoard[sq] = 0;
11225 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11226 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11227 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11228 moveDatabase[movePtr++].piece = Q_WCASTL;
11229 quickBoard[sq] = piece;
11230 piece = quickBoard[from]; quickBoard[from] = 0;
11231 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11233 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11234 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11235 moveDatabase[movePtr++].piece = Q_BCASTL;
11236 quickBoard[sq] = piece;
11237 piece = quickBoard[from]; quickBoard[from] = 0;
11238 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11240 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11241 quickBoard[(fromY<<4)+toX] = 0;
11242 moveDatabase[movePtr].piece = Q_EP;
11243 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11244 moveDatabase[movePtr].to = sq;
11246 if(promoPiece != pieceType[piece]) {
11247 moveDatabase[movePtr++].piece = Q_PROMO;
11248 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11250 moveDatabase[movePtr].piece = piece;
11251 quickBoard[sq] = piece;
11255 int PackGame(Board board)
11257 Move *newSpace = NULL;
11258 moveDatabase[movePtr].piece = 0; // terminate previous game
11259 if(movePtr > dataSize) {
11260 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11261 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11262 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11265 Move *p = moveDatabase, *q = newSpace;
11266 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11267 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11268 moveDatabase = newSpace;
11269 } else { // calloc failed, we must be out of memory. Too bad...
11270 dataSize = 0; // prevent calloc events for all subsequent games
11271 return 0; // and signal this one isn't cached
11275 MakePieceList(board, counts);
11279 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11280 { // compare according to search mode
11282 switch(appData.searchMode)
11284 case 1: // exact position match
11285 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11286 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11287 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11290 case 2: // can have extra material on empty squares
11291 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11292 if(board[r][f] == EmptySquare) continue;
11293 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11296 case 3: // material with exact Pawn structure
11297 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11298 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11299 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11300 } // fall through to material comparison
11301 case 4: // exact material
11302 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11304 case 6: // material range with given imbalance
11305 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11306 // fall through to range comparison
11307 case 5: // material range
11308 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11313 int QuickScan(Board board, Move *move)
11314 { // reconstruct game,and compare all positions in it
11315 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11317 int piece = move->piece;
11318 int to = move->to, from = pieceList[piece];
11319 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11320 if(!piece) return -1;
11321 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11322 piece = (++move)->piece;
11323 from = pieceList[piece];
11324 counts[pieceType[piece]]--;
11325 pieceType[piece] = (ChessSquare) move->to;
11326 counts[move->to]++;
11327 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11328 counts[pieceType[quickBoard[to]]]--;
11329 quickBoard[to] = 0; total--;
11332 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11333 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11334 from = pieceList[piece]; // so this must be King
11335 quickBoard[from] = 0;
11336 quickBoard[to] = piece;
11337 pieceList[piece] = to;
11342 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11343 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11344 quickBoard[from] = 0;
11345 quickBoard[to] = piece;
11346 pieceList[piece] = to;
11348 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11349 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11350 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11351 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11353 static int lastCounts[EmptySquare+1];
11355 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11356 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11357 } else stretch = 0;
11358 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11366 flipSearch = FALSE;
11367 CopyBoard(soughtBoard, boards[currentMove]);
11368 soughtTotal = MakePieceList(soughtBoard, maxSought);
11369 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11370 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11371 CopyBoard(reverseBoard, boards[currentMove]);
11372 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11373 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11374 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11375 reverseBoard[r][f] = piece;
11377 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11378 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11379 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11380 || (boards[currentMove][CASTLING][2] == NoRights ||
11381 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11382 && (boards[currentMove][CASTLING][5] == NoRights ||
11383 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11386 CopyBoard(flipBoard, soughtBoard);
11387 CopyBoard(rotateBoard, reverseBoard);
11388 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11389 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11390 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11393 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11394 if(appData.searchMode >= 5) {
11395 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11396 MakePieceList(soughtBoard, minSought);
11397 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11399 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11400 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11403 GameInfo dummyInfo;
11405 int GameContainsPosition(FILE *f, ListGame *lg)
11407 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11408 int fromX, fromY, toX, toY;
11410 static int initDone=FALSE;
11412 // weed out games based on numerical tag comparison
11413 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11414 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11415 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11416 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11418 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11421 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11422 else CopyBoard(boards[scratch], initialPosition); // default start position
11425 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11426 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11429 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11430 fseek(f, lg->offset, 0);
11433 yyboardindex = scratch;
11434 quickFlag = plyNr+1;
11439 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11445 if(plyNr) return -1; // after we have seen moves, this is for new game
11448 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11449 case ImpossibleMove:
11450 case WhiteWins: // game ends here with these four
11453 case GameUnfinished:
11457 if(appData.testLegality) return -1;
11458 case WhiteCapturesEnPassant:
11459 case BlackCapturesEnPassant:
11460 case WhitePromotion:
11461 case BlackPromotion:
11462 case WhiteNonPromotion:
11463 case BlackNonPromotion:
11465 case WhiteKingSideCastle:
11466 case WhiteQueenSideCastle:
11467 case BlackKingSideCastle:
11468 case BlackQueenSideCastle:
11469 case WhiteKingSideCastleWild:
11470 case WhiteQueenSideCastleWild:
11471 case BlackKingSideCastleWild:
11472 case BlackQueenSideCastleWild:
11473 case WhiteHSideCastleFR:
11474 case WhiteASideCastleFR:
11475 case BlackHSideCastleFR:
11476 case BlackASideCastleFR:
11477 fromX = currentMoveString[0] - AAA;
11478 fromY = currentMoveString[1] - ONE;
11479 toX = currentMoveString[2] - AAA;
11480 toY = currentMoveString[3] - ONE;
11481 promoChar = currentMoveString[4];
11485 fromX = next == WhiteDrop ?
11486 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11487 (int) CharToPiece(ToLower(currentMoveString[0]));
11489 toX = currentMoveString[2] - AAA;
11490 toY = currentMoveString[3] - ONE;
11494 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11496 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11497 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11498 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11499 if(appData.findMirror) {
11500 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11501 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11506 /* Load the nth game from open file f */
11508 LoadGame(f, gameNumber, title, useList)
11516 int gn = gameNumber;
11517 ListGame *lg = NULL;
11518 int numPGNTags = 0;
11520 GameMode oldGameMode;
11521 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11523 if (appData.debugMode)
11524 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11526 if (gameMode == Training )
11527 SetTrainingModeOff();
11529 oldGameMode = gameMode;
11530 if (gameMode != BeginningOfGame) {
11531 Reset(FALSE, TRUE);
11535 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11536 fclose(lastLoadGameFP);
11540 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11543 fseek(f, lg->offset, 0);
11544 GameListHighlight(gameNumber);
11545 pos = lg->position;
11549 DisplayError(_("Game number out of range"), 0);
11554 if (fseek(f, 0, 0) == -1) {
11555 if (f == lastLoadGameFP ?
11556 gameNumber == lastLoadGameNumber + 1 :
11560 DisplayError(_("Can't seek on game file"), 0);
11565 lastLoadGameFP = f;
11566 lastLoadGameNumber = gameNumber;
11567 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11568 lastLoadGameUseList = useList;
11572 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11573 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11574 lg->gameInfo.black);
11576 } else if (*title != NULLCHAR) {
11577 if (gameNumber > 1) {
11578 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11581 DisplayTitle(title);
11585 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11586 gameMode = PlayFromGameFile;
11590 currentMove = forwardMostMove = backwardMostMove = 0;
11591 CopyBoard(boards[0], initialPosition);
11595 * Skip the first gn-1 games in the file.
11596 * Also skip over anything that precedes an identifiable
11597 * start of game marker, to avoid being confused by
11598 * garbage at the start of the file. Currently
11599 * recognized start of game markers are the move number "1",
11600 * the pattern "gnuchess .* game", the pattern
11601 * "^[#;%] [^ ]* game file", and a PGN tag block.
11602 * A game that starts with one of the latter two patterns
11603 * will also have a move number 1, possibly
11604 * following a position diagram.
11605 * 5-4-02: Let's try being more lenient and allowing a game to
11606 * start with an unnumbered move. Does that break anything?
11608 cm = lastLoadGameStart = EndOfFile;
11610 yyboardindex = forwardMostMove;
11611 cm = (ChessMove) Myylex();
11614 if (cmailMsgLoaded) {
11615 nCmailGames = CMAIL_MAX_GAMES - gn;
11618 DisplayError(_("Game not found in file"), 0);
11625 lastLoadGameStart = cm;
11628 case MoveNumberOne:
11629 switch (lastLoadGameStart) {
11634 case MoveNumberOne:
11636 gn--; /* count this game */
11637 lastLoadGameStart = cm;
11646 switch (lastLoadGameStart) {
11649 case MoveNumberOne:
11651 gn--; /* count this game */
11652 lastLoadGameStart = cm;
11655 lastLoadGameStart = cm; /* game counted already */
11663 yyboardindex = forwardMostMove;
11664 cm = (ChessMove) Myylex();
11665 } while (cm == PGNTag || cm == Comment);
11672 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11673 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11674 != CMAIL_OLD_RESULT) {
11676 cmailResult[ CMAIL_MAX_GAMES
11677 - gn - 1] = CMAIL_OLD_RESULT;
11683 /* Only a NormalMove can be at the start of a game
11684 * without a position diagram. */
11685 if (lastLoadGameStart == EndOfFile ) {
11687 lastLoadGameStart = MoveNumberOne;
11696 if (appData.debugMode)
11697 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11699 if (cm == XBoardGame) {
11700 /* Skip any header junk before position diagram and/or move 1 */
11702 yyboardindex = forwardMostMove;
11703 cm = (ChessMove) Myylex();
11705 if (cm == EndOfFile ||
11706 cm == GNUChessGame || cm == XBoardGame) {
11707 /* Empty game; pretend end-of-file and handle later */
11712 if (cm == MoveNumberOne || cm == PositionDiagram ||
11713 cm == PGNTag || cm == Comment)
11716 } else if (cm == GNUChessGame) {
11717 if (gameInfo.event != NULL) {
11718 free(gameInfo.event);
11720 gameInfo.event = StrSave(yy_text);
11723 startedFromSetupPosition = FALSE;
11724 while (cm == PGNTag) {
11725 if (appData.debugMode)
11726 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11727 err = ParsePGNTag(yy_text, &gameInfo);
11728 if (!err) numPGNTags++;
11730 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11731 if(gameInfo.variant != oldVariant) {
11732 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11733 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11734 InitPosition(TRUE);
11735 oldVariant = gameInfo.variant;
11736 if (appData.debugMode)
11737 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11741 if (gameInfo.fen != NULL) {
11742 Board initial_position;
11743 startedFromSetupPosition = TRUE;
11744 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11746 DisplayError(_("Bad FEN position in file"), 0);
11749 CopyBoard(boards[0], initial_position);
11750 if (blackPlaysFirst) {
11751 currentMove = forwardMostMove = backwardMostMove = 1;
11752 CopyBoard(boards[1], initial_position);
11753 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11754 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11755 timeRemaining[0][1] = whiteTimeRemaining;
11756 timeRemaining[1][1] = blackTimeRemaining;
11757 if (commentList[0] != NULL) {
11758 commentList[1] = commentList[0];
11759 commentList[0] = NULL;
11762 currentMove = forwardMostMove = backwardMostMove = 0;
11764 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11766 initialRulePlies = FENrulePlies;
11767 for( i=0; i< nrCastlingRights; i++ )
11768 initialRights[i] = initial_position[CASTLING][i];
11770 yyboardindex = forwardMostMove;
11771 free(gameInfo.fen);
11772 gameInfo.fen = NULL;
11775 yyboardindex = forwardMostMove;
11776 cm = (ChessMove) Myylex();
11778 /* Handle comments interspersed among the tags */
11779 while (cm == Comment) {
11781 if (appData.debugMode)
11782 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11784 AppendComment(currentMove, p, FALSE);
11785 yyboardindex = forwardMostMove;
11786 cm = (ChessMove) Myylex();
11790 /* don't rely on existence of Event tag since if game was
11791 * pasted from clipboard the Event tag may not exist
11793 if (numPGNTags > 0){
11795 if (gameInfo.variant == VariantNormal) {
11796 VariantClass v = StringToVariant(gameInfo.event);
11797 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11798 if(v < VariantShogi) gameInfo.variant = v;
11801 if( appData.autoDisplayTags ) {
11802 tags = PGNTags(&gameInfo);
11803 TagsPopUp(tags, CmailMsg());
11808 /* Make something up, but don't display it now */
11813 if (cm == PositionDiagram) {
11816 Board initial_position;
11818 if (appData.debugMode)
11819 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11821 if (!startedFromSetupPosition) {
11823 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11824 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11835 initial_position[i][j++] = CharToPiece(*p);
11838 while (*p == ' ' || *p == '\t' ||
11839 *p == '\n' || *p == '\r') p++;
11841 if (strncmp(p, "black", strlen("black"))==0)
11842 blackPlaysFirst = TRUE;
11844 blackPlaysFirst = FALSE;
11845 startedFromSetupPosition = TRUE;
11847 CopyBoard(boards[0], initial_position);
11848 if (blackPlaysFirst) {
11849 currentMove = forwardMostMove = backwardMostMove = 1;
11850 CopyBoard(boards[1], initial_position);
11851 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11852 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11853 timeRemaining[0][1] = whiteTimeRemaining;
11854 timeRemaining[1][1] = blackTimeRemaining;
11855 if (commentList[0] != NULL) {
11856 commentList[1] = commentList[0];
11857 commentList[0] = NULL;
11860 currentMove = forwardMostMove = backwardMostMove = 0;
11863 yyboardindex = forwardMostMove;
11864 cm = (ChessMove) Myylex();
11867 if (first.pr == NoProc) {
11868 StartChessProgram(&first);
11870 InitChessProgram(&first, FALSE);
11871 SendToProgram("force\n", &first);
11872 if (startedFromSetupPosition) {
11873 SendBoard(&first, forwardMostMove);
11874 if (appData.debugMode) {
11875 fprintf(debugFP, "Load Game\n");
11877 DisplayBothClocks();
11880 /* [HGM] server: flag to write setup moves in broadcast file as one */
11881 loadFlag = appData.suppressLoadMoves;
11883 while (cm == Comment) {
11885 if (appData.debugMode)
11886 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11888 AppendComment(currentMove, p, FALSE);
11889 yyboardindex = forwardMostMove;
11890 cm = (ChessMove) Myylex();
11893 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11894 cm == WhiteWins || cm == BlackWins ||
11895 cm == GameIsDrawn || cm == GameUnfinished) {
11896 DisplayMessage("", _("No moves in game"));
11897 if (cmailMsgLoaded) {
11898 if (appData.debugMode)
11899 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11903 DrawPosition(FALSE, boards[currentMove]);
11904 DisplayBothClocks();
11905 gameMode = EditGame;
11912 // [HGM] PV info: routine tests if comment empty
11913 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11914 DisplayComment(currentMove - 1, commentList[currentMove]);
11916 if (!matchMode && appData.timeDelay != 0)
11917 DrawPosition(FALSE, boards[currentMove]);
11919 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11920 programStats.ok_to_send = 1;
11923 /* if the first token after the PGN tags is a move
11924 * and not move number 1, retrieve it from the parser
11926 if (cm != MoveNumberOne)
11927 LoadGameOneMove(cm);
11929 /* load the remaining moves from the file */
11930 while (LoadGameOneMove(EndOfFile)) {
11931 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11932 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11935 /* rewind to the start of the game */
11936 currentMove = backwardMostMove;
11938 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11940 if (oldGameMode == AnalyzeFile ||
11941 oldGameMode == AnalyzeMode) {
11942 AnalyzeFileEvent();
11945 if (!matchMode && pos >= 0) {
11946 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11948 if (matchMode || appData.timeDelay == 0) {
11950 } else if (appData.timeDelay > 0) {
11951 AutoPlayGameLoop();
11954 if (appData.debugMode)
11955 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11957 loadFlag = 0; /* [HGM] true game starts */
11961 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11963 ReloadPosition(offset)
11966 int positionNumber = lastLoadPositionNumber + offset;
11967 if (lastLoadPositionFP == NULL) {
11968 DisplayError(_("No position has been loaded yet"), 0);
11971 if (positionNumber <= 0) {
11972 DisplayError(_("Can't back up any further"), 0);
11975 return LoadPosition(lastLoadPositionFP, positionNumber,
11976 lastLoadPositionTitle);
11979 /* Load the nth position from the given file */
11981 LoadPositionFromFile(filename, n, title)
11989 if (strcmp(filename, "-") == 0) {
11990 return LoadPosition(stdin, n, "stdin");
11992 f = fopen(filename, "rb");
11994 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11995 DisplayError(buf, errno);
11998 return LoadPosition(f, n, title);
12003 /* Load the nth position from the given open file, and close it */
12005 LoadPosition(f, positionNumber, title)
12007 int positionNumber;
12010 char *p, line[MSG_SIZ];
12011 Board initial_position;
12012 int i, j, fenMode, pn;
12014 if (gameMode == Training )
12015 SetTrainingModeOff();
12017 if (gameMode != BeginningOfGame) {
12018 Reset(FALSE, TRUE);
12020 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12021 fclose(lastLoadPositionFP);
12023 if (positionNumber == 0) positionNumber = 1;
12024 lastLoadPositionFP = f;
12025 lastLoadPositionNumber = positionNumber;
12026 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12027 if (first.pr == NoProc && !appData.noChessProgram) {
12028 StartChessProgram(&first);
12029 InitChessProgram(&first, FALSE);
12031 pn = positionNumber;
12032 if (positionNumber < 0) {
12033 /* Negative position number means to seek to that byte offset */
12034 if (fseek(f, -positionNumber, 0) == -1) {
12035 DisplayError(_("Can't seek on position file"), 0);
12040 if (fseek(f, 0, 0) == -1) {
12041 if (f == lastLoadPositionFP ?
12042 positionNumber == lastLoadPositionNumber + 1 :
12043 positionNumber == 1) {
12046 DisplayError(_("Can't seek on position file"), 0);
12051 /* See if this file is FEN or old-style xboard */
12052 if (fgets(line, MSG_SIZ, f) == NULL) {
12053 DisplayError(_("Position not found in file"), 0);
12056 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12057 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12060 if (fenMode || line[0] == '#') pn--;
12062 /* skip positions before number pn */
12063 if (fgets(line, MSG_SIZ, f) == NULL) {
12065 DisplayError(_("Position not found in file"), 0);
12068 if (fenMode || line[0] == '#') pn--;
12073 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12074 DisplayError(_("Bad FEN position in file"), 0);
12078 (void) fgets(line, MSG_SIZ, f);
12079 (void) fgets(line, MSG_SIZ, f);
12081 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12082 (void) fgets(line, MSG_SIZ, f);
12083 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12086 initial_position[i][j++] = CharToPiece(*p);
12090 blackPlaysFirst = FALSE;
12092 (void) fgets(line, MSG_SIZ, f);
12093 if (strncmp(line, "black", strlen("black"))==0)
12094 blackPlaysFirst = TRUE;
12097 startedFromSetupPosition = TRUE;
12099 CopyBoard(boards[0], initial_position);
12100 if (blackPlaysFirst) {
12101 currentMove = forwardMostMove = backwardMostMove = 1;
12102 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12103 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12104 CopyBoard(boards[1], initial_position);
12105 DisplayMessage("", _("Black to play"));
12107 currentMove = forwardMostMove = backwardMostMove = 0;
12108 DisplayMessage("", _("White to play"));
12110 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12111 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12112 SendToProgram("force\n", &first);
12113 SendBoard(&first, forwardMostMove);
12115 if (appData.debugMode) {
12117 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12118 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12119 fprintf(debugFP, "Load Position\n");
12122 if (positionNumber > 1) {
12123 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12124 DisplayTitle(line);
12126 DisplayTitle(title);
12128 gameMode = EditGame;
12131 timeRemaining[0][1] = whiteTimeRemaining;
12132 timeRemaining[1][1] = blackTimeRemaining;
12133 DrawPosition(FALSE, boards[currentMove]);
12140 CopyPlayerNameIntoFileName(dest, src)
12143 while (*src != NULLCHAR && *src != ',') {
12148 *(*dest)++ = *src++;
12153 char *DefaultFileName(ext)
12156 static char def[MSG_SIZ];
12159 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12161 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12163 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12165 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12172 /* Save the current game to the given file */
12174 SaveGameToFile(filename, append)
12180 int result, i, t,tot=0;
12182 if (strcmp(filename, "-") == 0) {
12183 return SaveGame(stdout, 0, NULL);
12185 for(i=0; i<10; i++) { // upto 10 tries
12186 f = fopen(filename, append ? "a" : "w");
12187 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12188 if(f || errno != 13) break;
12189 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12193 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12194 DisplayError(buf, errno);
12197 safeStrCpy(buf, lastMsg, MSG_SIZ);
12198 DisplayMessage(_("Waiting for access to save file"), "");
12199 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12200 DisplayMessage(_("Saving game"), "");
12201 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
12202 result = SaveGame(f, 0, NULL);
12203 DisplayMessage(buf, "");
12213 static char buf[MSG_SIZ];
12216 p = strchr(str, ' ');
12217 if (p == NULL) return str;
12218 strncpy(buf, str, p - str);
12219 buf[p - str] = NULLCHAR;
12223 #define PGN_MAX_LINE 75
12225 #define PGN_SIDE_WHITE 0
12226 #define PGN_SIDE_BLACK 1
12229 static int FindFirstMoveOutOfBook( int side )
12233 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12234 int index = backwardMostMove;
12235 int has_book_hit = 0;
12237 if( (index % 2) != side ) {
12241 while( index < forwardMostMove ) {
12242 /* Check to see if engine is in book */
12243 int depth = pvInfoList[index].depth;
12244 int score = pvInfoList[index].score;
12250 else if( score == 0 && depth == 63 ) {
12251 in_book = 1; /* Zappa */
12253 else if( score == 2 && depth == 99 ) {
12254 in_book = 1; /* Abrok */
12257 has_book_hit += in_book;
12273 void GetOutOfBookInfo( char * buf )
12277 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12279 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12280 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12284 if( oob[0] >= 0 || oob[1] >= 0 ) {
12285 for( i=0; i<2; i++ ) {
12289 if( i > 0 && oob[0] >= 0 ) {
12290 strcat( buf, " " );
12293 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12294 sprintf( buf+strlen(buf), "%s%.2f",
12295 pvInfoList[idx].score >= 0 ? "+" : "",
12296 pvInfoList[idx].score / 100.0 );
12302 /* Save game in PGN style and close the file */
12307 int i, offset, linelen, newblock;
12311 int movelen, numlen, blank;
12312 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12314 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12316 tm = time((time_t *) NULL);
12318 PrintPGNTags(f, &gameInfo);
12320 if (backwardMostMove > 0 || startedFromSetupPosition) {
12321 char *fen = PositionToFEN(backwardMostMove, NULL);
12322 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12323 fprintf(f, "\n{--------------\n");
12324 PrintPosition(f, backwardMostMove);
12325 fprintf(f, "--------------}\n");
12329 /* [AS] Out of book annotation */
12330 if( appData.saveOutOfBookInfo ) {
12333 GetOutOfBookInfo( buf );
12335 if( buf[0] != '\0' ) {
12336 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12343 i = backwardMostMove;
12347 while (i < forwardMostMove) {
12348 /* Print comments preceding this move */
12349 if (commentList[i] != NULL) {
12350 if (linelen > 0) fprintf(f, "\n");
12351 fprintf(f, "%s", commentList[i]);
12356 /* Format move number */
12358 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12361 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12363 numtext[0] = NULLCHAR;
12365 numlen = strlen(numtext);
12368 /* Print move number */
12369 blank = linelen > 0 && numlen > 0;
12370 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12379 fprintf(f, "%s", numtext);
12383 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12384 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12387 blank = linelen > 0 && movelen > 0;
12388 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12397 fprintf(f, "%s", move_buffer);
12398 linelen += movelen;
12400 /* [AS] Add PV info if present */
12401 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12402 /* [HGM] add time */
12403 char buf[MSG_SIZ]; int seconds;
12405 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12411 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12414 seconds = (seconds + 4)/10; // round to full seconds
12416 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12418 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12421 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12422 pvInfoList[i].score >= 0 ? "+" : "",
12423 pvInfoList[i].score / 100.0,
12424 pvInfoList[i].depth,
12427 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12429 /* Print score/depth */
12430 blank = linelen > 0 && movelen > 0;
12431 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12440 fprintf(f, "%s", move_buffer);
12441 linelen += movelen;
12447 /* Start a new line */
12448 if (linelen > 0) fprintf(f, "\n");
12450 /* Print comments after last move */
12451 if (commentList[i] != NULL) {
12452 fprintf(f, "%s\n", commentList[i]);
12456 if (gameInfo.resultDetails != NULL &&
12457 gameInfo.resultDetails[0] != NULLCHAR) {
12458 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12459 PGNResult(gameInfo.result));
12461 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12465 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12469 /* Save game in old style and close the file */
12471 SaveGameOldStyle(f)
12477 tm = time((time_t *) NULL);
12479 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12482 if (backwardMostMove > 0 || startedFromSetupPosition) {
12483 fprintf(f, "\n[--------------\n");
12484 PrintPosition(f, backwardMostMove);
12485 fprintf(f, "--------------]\n");
12490 i = backwardMostMove;
12491 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12493 while (i < forwardMostMove) {
12494 if (commentList[i] != NULL) {
12495 fprintf(f, "[%s]\n", commentList[i]);
12498 if ((i % 2) == 1) {
12499 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12502 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12504 if (commentList[i] != NULL) {
12508 if (i >= forwardMostMove) {
12512 fprintf(f, "%s\n", parseList[i]);
12517 if (commentList[i] != NULL) {
12518 fprintf(f, "[%s]\n", commentList[i]);
12521 /* This isn't really the old style, but it's close enough */
12522 if (gameInfo.resultDetails != NULL &&
12523 gameInfo.resultDetails[0] != NULLCHAR) {
12524 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12525 gameInfo.resultDetails);
12527 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12534 /* Save the current game to open file f and close the file */
12536 SaveGame(f, dummy, dummy2)
12541 if (gameMode == EditPosition) EditPositionDone(TRUE);
12542 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12543 if (appData.oldSaveStyle)
12544 return SaveGameOldStyle(f);
12546 return SaveGamePGN(f);
12549 /* Save the current position to the given file */
12551 SavePositionToFile(filename)
12557 if (strcmp(filename, "-") == 0) {
12558 return SavePosition(stdout, 0, NULL);
12560 f = fopen(filename, "a");
12562 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12563 DisplayError(buf, errno);
12566 safeStrCpy(buf, lastMsg, MSG_SIZ);
12567 DisplayMessage(_("Waiting for access to save file"), "");
12568 flock(fileno(f), LOCK_EX); // [HGM] lock
12569 DisplayMessage(_("Saving position"), "");
12570 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12571 SavePosition(f, 0, NULL);
12572 DisplayMessage(buf, "");
12578 /* Save the current position to the given open file and close the file */
12580 SavePosition(f, dummy, dummy2)
12588 if (gameMode == EditPosition) EditPositionDone(TRUE);
12589 if (appData.oldSaveStyle) {
12590 tm = time((time_t *) NULL);
12592 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12594 fprintf(f, "[--------------\n");
12595 PrintPosition(f, currentMove);
12596 fprintf(f, "--------------]\n");
12598 fen = PositionToFEN(currentMove, NULL);
12599 fprintf(f, "%s\n", fen);
12607 ReloadCmailMsgEvent(unregister)
12611 static char *inFilename = NULL;
12612 static char *outFilename;
12614 struct stat inbuf, outbuf;
12617 /* Any registered moves are unregistered if unregister is set, */
12618 /* i.e. invoked by the signal handler */
12620 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12621 cmailMoveRegistered[i] = FALSE;
12622 if (cmailCommentList[i] != NULL) {
12623 free(cmailCommentList[i]);
12624 cmailCommentList[i] = NULL;
12627 nCmailMovesRegistered = 0;
12630 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12631 cmailResult[i] = CMAIL_NOT_RESULT;
12635 if (inFilename == NULL) {
12636 /* Because the filenames are static they only get malloced once */
12637 /* and they never get freed */
12638 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12639 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12641 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12642 sprintf(outFilename, "%s.out", appData.cmailGameName);
12645 status = stat(outFilename, &outbuf);
12647 cmailMailedMove = FALSE;
12649 status = stat(inFilename, &inbuf);
12650 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12653 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12654 counts the games, notes how each one terminated, etc.
12656 It would be nice to remove this kludge and instead gather all
12657 the information while building the game list. (And to keep it
12658 in the game list nodes instead of having a bunch of fixed-size
12659 parallel arrays.) Note this will require getting each game's
12660 termination from the PGN tags, as the game list builder does
12661 not process the game moves. --mann
12663 cmailMsgLoaded = TRUE;
12664 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12666 /* Load first game in the file or popup game menu */
12667 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12669 #endif /* !WIN32 */
12677 char string[MSG_SIZ];
12679 if ( cmailMailedMove
12680 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12681 return TRUE; /* Allow free viewing */
12684 /* Unregister move to ensure that we don't leave RegisterMove */
12685 /* with the move registered when the conditions for registering no */
12687 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12688 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12689 nCmailMovesRegistered --;
12691 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12693 free(cmailCommentList[lastLoadGameNumber - 1]);
12694 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12698 if (cmailOldMove == -1) {
12699 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12703 if (currentMove > cmailOldMove + 1) {
12704 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12708 if (currentMove < cmailOldMove) {
12709 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12713 if (forwardMostMove > currentMove) {
12714 /* Silently truncate extra moves */
12718 if ( (currentMove == cmailOldMove + 1)
12719 || ( (currentMove == cmailOldMove)
12720 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12721 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12722 if (gameInfo.result != GameUnfinished) {
12723 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12726 if (commentList[currentMove] != NULL) {
12727 cmailCommentList[lastLoadGameNumber - 1]
12728 = StrSave(commentList[currentMove]);
12730 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12732 if (appData.debugMode)
12733 fprintf(debugFP, "Saving %s for game %d\n",
12734 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12736 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12738 f = fopen(string, "w");
12739 if (appData.oldSaveStyle) {
12740 SaveGameOldStyle(f); /* also closes the file */
12742 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12743 f = fopen(string, "w");
12744 SavePosition(f, 0, NULL); /* also closes the file */
12746 fprintf(f, "{--------------\n");
12747 PrintPosition(f, currentMove);
12748 fprintf(f, "--------------}\n\n");
12750 SaveGame(f, 0, NULL); /* also closes the file*/
12753 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12754 nCmailMovesRegistered ++;
12755 } else if (nCmailGames == 1) {
12756 DisplayError(_("You have not made a move yet"), 0);
12767 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12768 FILE *commandOutput;
12769 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12770 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12776 if (! cmailMsgLoaded) {
12777 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12781 if (nCmailGames == nCmailResults) {
12782 DisplayError(_("No unfinished games"), 0);
12786 #if CMAIL_PROHIBIT_REMAIL
12787 if (cmailMailedMove) {
12788 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);
12789 DisplayError(msg, 0);
12794 if (! (cmailMailedMove || RegisterMove())) return;
12796 if ( cmailMailedMove
12797 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12798 snprintf(string, MSG_SIZ, partCommandString,
12799 appData.debugMode ? " -v" : "", appData.cmailGameName);
12800 commandOutput = popen(string, "r");
12802 if (commandOutput == NULL) {
12803 DisplayError(_("Failed to invoke cmail"), 0);
12805 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12806 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12808 if (nBuffers > 1) {
12809 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12810 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12811 nBytes = MSG_SIZ - 1;
12813 (void) memcpy(msg, buffer, nBytes);
12815 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12817 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12818 cmailMailedMove = TRUE; /* Prevent >1 moves */
12821 for (i = 0; i < nCmailGames; i ++) {
12822 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12827 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12829 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12831 appData.cmailGameName,
12833 LoadGameFromFile(buffer, 1, buffer, FALSE);
12834 cmailMsgLoaded = FALSE;
12838 DisplayInformation(msg);
12839 pclose(commandOutput);
12842 if ((*cmailMsg) != '\0') {
12843 DisplayInformation(cmailMsg);
12848 #endif /* !WIN32 */
12857 int prependComma = 0;
12859 char string[MSG_SIZ]; /* Space for game-list */
12862 if (!cmailMsgLoaded) return "";
12864 if (cmailMailedMove) {
12865 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12867 /* Create a list of games left */
12868 snprintf(string, MSG_SIZ, "[");
12869 for (i = 0; i < nCmailGames; i ++) {
12870 if (! ( cmailMoveRegistered[i]
12871 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12872 if (prependComma) {
12873 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12875 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12879 strcat(string, number);
12882 strcat(string, "]");
12884 if (nCmailMovesRegistered + nCmailResults == 0) {
12885 switch (nCmailGames) {
12887 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12891 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12895 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12900 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12902 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12907 if (nCmailResults == nCmailGames) {
12908 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12910 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12915 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12927 if (gameMode == Training)
12928 SetTrainingModeOff();
12931 cmailMsgLoaded = FALSE;
12932 if (appData.icsActive) {
12933 SendToICS(ics_prefix);
12934 SendToICS("refresh\n");
12944 /* Give up on clean exit */
12948 /* Keep trying for clean exit */
12952 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12954 if (telnetISR != NULL) {
12955 RemoveInputSource(telnetISR);
12957 if (icsPR != NoProc) {
12958 DestroyChildProcess(icsPR, TRUE);
12961 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12962 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12964 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12965 /* make sure this other one finishes before killing it! */
12966 if(endingGame) { int count = 0;
12967 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12968 while(endingGame && count++ < 10) DoSleep(1);
12969 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12972 /* Kill off chess programs */
12973 if (first.pr != NoProc) {
12976 DoSleep( appData.delayBeforeQuit );
12977 SendToProgram("quit\n", &first);
12978 DoSleep( appData.delayAfterQuit );
12979 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12981 if (second.pr != NoProc) {
12982 DoSleep( appData.delayBeforeQuit );
12983 SendToProgram("quit\n", &second);
12984 DoSleep( appData.delayAfterQuit );
12985 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12987 if (first.isr != NULL) {
12988 RemoveInputSource(first.isr);
12990 if (second.isr != NULL) {
12991 RemoveInputSource(second.isr);
12994 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12995 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12997 ShutDownFrontEnd();
13004 if (appData.debugMode)
13005 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13009 if (gameMode == MachinePlaysWhite ||
13010 gameMode == MachinePlaysBlack) {
13013 DisplayBothClocks();
13015 if (gameMode == PlayFromGameFile) {
13016 if (appData.timeDelay >= 0)
13017 AutoPlayGameLoop();
13018 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13019 Reset(FALSE, TRUE);
13020 SendToICS(ics_prefix);
13021 SendToICS("refresh\n");
13022 } else if (currentMove < forwardMostMove) {
13023 ForwardInner(forwardMostMove);
13025 pauseExamInvalid = FALSE;
13027 switch (gameMode) {
13031 pauseExamForwardMostMove = forwardMostMove;
13032 pauseExamInvalid = FALSE;
13035 case IcsPlayingWhite:
13036 case IcsPlayingBlack:
13040 case PlayFromGameFile:
13041 (void) StopLoadGameTimer();
13045 case BeginningOfGame:
13046 if (appData.icsActive) return;
13047 /* else fall through */
13048 case MachinePlaysWhite:
13049 case MachinePlaysBlack:
13050 case TwoMachinesPlay:
13051 if (forwardMostMove == 0)
13052 return; /* don't pause if no one has moved */
13053 if ((gameMode == MachinePlaysWhite &&
13054 !WhiteOnMove(forwardMostMove)) ||
13055 (gameMode == MachinePlaysBlack &&
13056 WhiteOnMove(forwardMostMove))) {
13069 char title[MSG_SIZ];
13071 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13072 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13074 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13075 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13076 parseList[currentMove - 1]);
13079 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13086 char *tags = PGNTags(&gameInfo);
13088 EditTagsPopUp(tags, NULL);
13095 if (appData.noChessProgram || gameMode == AnalyzeMode)
13098 if (gameMode != AnalyzeFile) {
13099 if (!appData.icsEngineAnalyze) {
13101 if (gameMode != EditGame) return;
13103 ResurrectChessProgram();
13104 SendToProgram("analyze\n", &first);
13105 first.analyzing = TRUE;
13106 /*first.maybeThinking = TRUE;*/
13107 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13108 EngineOutputPopUp();
13110 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13115 StartAnalysisClock();
13116 GetTimeMark(&lastNodeCountTime);
13123 if (appData.noChessProgram || gameMode == AnalyzeFile)
13126 if (gameMode != AnalyzeMode) {
13128 if (gameMode != EditGame) return;
13129 ResurrectChessProgram();
13130 SendToProgram("analyze\n", &first);
13131 first.analyzing = TRUE;
13132 /*first.maybeThinking = TRUE;*/
13133 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13134 EngineOutputPopUp();
13136 gameMode = AnalyzeFile;
13141 StartAnalysisClock();
13142 GetTimeMark(&lastNodeCountTime);
13144 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13148 MachineWhiteEvent()
13151 char *bookHit = NULL;
13153 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13157 if (gameMode == PlayFromGameFile ||
13158 gameMode == TwoMachinesPlay ||
13159 gameMode == Training ||
13160 gameMode == AnalyzeMode ||
13161 gameMode == EndOfGame)
13164 if (gameMode == EditPosition)
13165 EditPositionDone(TRUE);
13167 if (!WhiteOnMove(currentMove)) {
13168 DisplayError(_("It is not White's turn"), 0);
13172 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13175 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13176 gameMode == AnalyzeFile)
13179 ResurrectChessProgram(); /* in case it isn't running */
13180 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13181 gameMode = MachinePlaysWhite;
13184 gameMode = MachinePlaysWhite;
13188 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13190 if (first.sendName) {
13191 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13192 SendToProgram(buf, &first);
13194 if (first.sendTime) {
13195 if (first.useColors) {
13196 SendToProgram("black\n", &first); /*gnu kludge*/
13198 SendTimeRemaining(&first, TRUE);
13200 if (first.useColors) {
13201 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13203 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13204 SetMachineThinkingEnables();
13205 first.maybeThinking = TRUE;
13209 if (appData.autoFlipView && !flipView) {
13210 flipView = !flipView;
13211 DrawPosition(FALSE, NULL);
13212 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13215 if(bookHit) { // [HGM] book: simulate book reply
13216 static char bookMove[MSG_SIZ]; // a bit generous?
13218 programStats.nodes = programStats.depth = programStats.time =
13219 programStats.score = programStats.got_only_move = 0;
13220 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13222 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13223 strcat(bookMove, bookHit);
13224 HandleMachineMove(bookMove, &first);
13229 MachineBlackEvent()
13232 char *bookHit = NULL;
13234 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13238 if (gameMode == PlayFromGameFile ||
13239 gameMode == TwoMachinesPlay ||
13240 gameMode == Training ||
13241 gameMode == AnalyzeMode ||
13242 gameMode == EndOfGame)
13245 if (gameMode == EditPosition)
13246 EditPositionDone(TRUE);
13248 if (WhiteOnMove(currentMove)) {
13249 DisplayError(_("It is not Black's turn"), 0);
13253 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13256 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13257 gameMode == AnalyzeFile)
13260 ResurrectChessProgram(); /* in case it isn't running */
13261 gameMode = MachinePlaysBlack;
13265 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13267 if (first.sendName) {
13268 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13269 SendToProgram(buf, &first);
13271 if (first.sendTime) {
13272 if (first.useColors) {
13273 SendToProgram("white\n", &first); /*gnu kludge*/
13275 SendTimeRemaining(&first, FALSE);
13277 if (first.useColors) {
13278 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13280 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13281 SetMachineThinkingEnables();
13282 first.maybeThinking = TRUE;
13285 if (appData.autoFlipView && flipView) {
13286 flipView = !flipView;
13287 DrawPosition(FALSE, NULL);
13288 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13290 if(bookHit) { // [HGM] book: simulate book reply
13291 static char bookMove[MSG_SIZ]; // a bit generous?
13293 programStats.nodes = programStats.depth = programStats.time =
13294 programStats.score = programStats.got_only_move = 0;
13295 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13297 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13298 strcat(bookMove, bookHit);
13299 HandleMachineMove(bookMove, &first);
13305 DisplayTwoMachinesTitle()
13308 if (appData.matchGames > 0) {
13309 if(appData.tourneyFile[0]) {
13310 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
13311 gameInfo.white, gameInfo.black,
13312 nextGame+1, appData.matchGames+1,
13313 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13315 if (first.twoMachinesColor[0] == 'w') {
13316 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13317 gameInfo.white, gameInfo.black,
13318 first.matchWins, second.matchWins,
13319 matchGame - 1 - (first.matchWins + second.matchWins));
13321 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13322 gameInfo.white, gameInfo.black,
13323 second.matchWins, first.matchWins,
13324 matchGame - 1 - (first.matchWins + second.matchWins));
13327 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13333 SettingsMenuIfReady()
13335 if (second.lastPing != second.lastPong) {
13336 DisplayMessage("", _("Waiting for second chess program"));
13337 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13341 DisplayMessage("", "");
13342 SettingsPopUp(&second);
13346 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13349 if (cps->pr == NoProc) {
13350 StartChessProgram(cps);
13351 if (cps->protocolVersion == 1) {
13354 /* kludge: allow timeout for initial "feature" command */
13356 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13357 DisplayMessage("", buf);
13358 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13366 TwoMachinesEvent P((void))
13370 ChessProgramState *onmove;
13371 char *bookHit = NULL;
13372 static int stalling = 0;
13376 if (appData.noChessProgram) return;
13378 switch (gameMode) {
13379 case TwoMachinesPlay:
13381 case MachinePlaysWhite:
13382 case MachinePlaysBlack:
13383 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13384 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13388 case BeginningOfGame:
13389 case PlayFromGameFile:
13392 if (gameMode != EditGame) return;
13395 EditPositionDone(TRUE);
13406 // forwardMostMove = currentMove;
13407 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13409 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13411 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13412 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13413 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13417 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13418 SendToProgram("force\n", &second);
13420 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13423 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13424 if(appData.matchPause>10000 || appData.matchPause<10)
13425 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13426 wait = SubtractTimeMarks(&now, &pauseStart);
13427 if(wait < appData.matchPause) {
13428 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13432 DisplayMessage("", "");
13433 if (startedFromSetupPosition) {
13434 SendBoard(&second, backwardMostMove);
13435 if (appData.debugMode) {
13436 fprintf(debugFP, "Two Machines\n");
13439 for (i = backwardMostMove; i < forwardMostMove; i++) {
13440 SendMoveToProgram(i, &second);
13443 gameMode = TwoMachinesPlay;
13445 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13447 DisplayTwoMachinesTitle();
13449 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13454 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13455 SendToProgram(first.computerString, &first);
13456 if (first.sendName) {
13457 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13458 SendToProgram(buf, &first);
13460 SendToProgram(second.computerString, &second);
13461 if (second.sendName) {
13462 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13463 SendToProgram(buf, &second);
13467 if (!first.sendTime || !second.sendTime) {
13468 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13469 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13471 if (onmove->sendTime) {
13472 if (onmove->useColors) {
13473 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13475 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13477 if (onmove->useColors) {
13478 SendToProgram(onmove->twoMachinesColor, onmove);
13480 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13481 // SendToProgram("go\n", onmove);
13482 onmove->maybeThinking = TRUE;
13483 SetMachineThinkingEnables();
13487 if(bookHit) { // [HGM] book: simulate book reply
13488 static char bookMove[MSG_SIZ]; // a bit generous?
13490 programStats.nodes = programStats.depth = programStats.time =
13491 programStats.score = programStats.got_only_move = 0;
13492 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13494 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13495 strcat(bookMove, bookHit);
13496 savedMessage = bookMove; // args for deferred call
13497 savedState = onmove;
13498 ScheduleDelayedEvent(DeferredBookMove, 1);
13505 if (gameMode == Training) {
13506 SetTrainingModeOff();
13507 gameMode = PlayFromGameFile;
13508 DisplayMessage("", _("Training mode off"));
13510 gameMode = Training;
13511 animateTraining = appData.animate;
13513 /* make sure we are not already at the end of the game */
13514 if (currentMove < forwardMostMove) {
13515 SetTrainingModeOn();
13516 DisplayMessage("", _("Training mode on"));
13518 gameMode = PlayFromGameFile;
13519 DisplayError(_("Already at end of game"), 0);
13528 if (!appData.icsActive) return;
13529 switch (gameMode) {
13530 case IcsPlayingWhite:
13531 case IcsPlayingBlack:
13534 case BeginningOfGame:
13542 EditPositionDone(TRUE);
13555 gameMode = IcsIdle;
13566 switch (gameMode) {
13568 SetTrainingModeOff();
13570 case MachinePlaysWhite:
13571 case MachinePlaysBlack:
13572 case BeginningOfGame:
13573 SendToProgram("force\n", &first);
13574 SetUserThinkingEnables();
13576 case PlayFromGameFile:
13577 (void) StopLoadGameTimer();
13578 if (gameFileFP != NULL) {
13583 EditPositionDone(TRUE);
13588 SendToProgram("force\n", &first);
13590 case TwoMachinesPlay:
13591 GameEnds(EndOfFile, NULL, GE_PLAYER);
13592 ResurrectChessProgram();
13593 SetUserThinkingEnables();
13596 ResurrectChessProgram();
13598 case IcsPlayingBlack:
13599 case IcsPlayingWhite:
13600 DisplayError(_("Warning: You are still playing a game"), 0);
13603 DisplayError(_("Warning: You are still observing a game"), 0);
13606 DisplayError(_("Warning: You are still examining a game"), 0);
13617 first.offeredDraw = second.offeredDraw = 0;
13619 if (gameMode == PlayFromGameFile) {
13620 whiteTimeRemaining = timeRemaining[0][currentMove];
13621 blackTimeRemaining = timeRemaining[1][currentMove];
13625 if (gameMode == MachinePlaysWhite ||
13626 gameMode == MachinePlaysBlack ||
13627 gameMode == TwoMachinesPlay ||
13628 gameMode == EndOfGame) {
13629 i = forwardMostMove;
13630 while (i > currentMove) {
13631 SendToProgram("undo\n", &first);
13634 if(!adjustedClock) {
13635 whiteTimeRemaining = timeRemaining[0][currentMove];
13636 blackTimeRemaining = timeRemaining[1][currentMove];
13637 DisplayBothClocks();
13639 if (whiteFlag || blackFlag) {
13640 whiteFlag = blackFlag = 0;
13645 gameMode = EditGame;
13652 EditPositionEvent()
13654 if (gameMode == EditPosition) {
13660 if (gameMode != EditGame) return;
13662 gameMode = EditPosition;
13665 if (currentMove > 0)
13666 CopyBoard(boards[0], boards[currentMove]);
13668 blackPlaysFirst = !WhiteOnMove(currentMove);
13670 currentMove = forwardMostMove = backwardMostMove = 0;
13671 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13678 /* [DM] icsEngineAnalyze - possible call from other functions */
13679 if (appData.icsEngineAnalyze) {
13680 appData.icsEngineAnalyze = FALSE;
13682 DisplayMessage("",_("Close ICS engine analyze..."));
13684 if (first.analysisSupport && first.analyzing) {
13685 SendToProgram("exit\n", &first);
13686 first.analyzing = FALSE;
13688 thinkOutput[0] = NULLCHAR;
13692 EditPositionDone(Boolean fakeRights)
13694 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13696 startedFromSetupPosition = TRUE;
13697 InitChessProgram(&first, FALSE);
13698 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13699 boards[0][EP_STATUS] = EP_NONE;
13700 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13701 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13702 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13703 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13704 } else boards[0][CASTLING][2] = NoRights;
13705 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13706 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13707 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13708 } else boards[0][CASTLING][5] = NoRights;
13710 SendToProgram("force\n", &first);
13711 if (blackPlaysFirst) {
13712 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13713 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13714 currentMove = forwardMostMove = backwardMostMove = 1;
13715 CopyBoard(boards[1], boards[0]);
13717 currentMove = forwardMostMove = backwardMostMove = 0;
13719 SendBoard(&first, forwardMostMove);
13720 if (appData.debugMode) {
13721 fprintf(debugFP, "EditPosDone\n");
13724 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13725 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13726 gameMode = EditGame;
13728 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13729 ClearHighlights(); /* [AS] */
13732 /* Pause for `ms' milliseconds */
13733 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13743 } while (SubtractTimeMarks(&m2, &m1) < ms);
13746 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13748 SendMultiLineToICS(buf)
13751 char temp[MSG_SIZ+1], *p;
13758 strncpy(temp, buf, len);
13763 if (*p == '\n' || *p == '\r')
13768 strcat(temp, "\n");
13770 SendToPlayer(temp, strlen(temp));
13774 SetWhiteToPlayEvent()
13776 if (gameMode == EditPosition) {
13777 blackPlaysFirst = FALSE;
13778 DisplayBothClocks(); /* works because currentMove is 0 */
13779 } else if (gameMode == IcsExamining) {
13780 SendToICS(ics_prefix);
13781 SendToICS("tomove white\n");
13786 SetBlackToPlayEvent()
13788 if (gameMode == EditPosition) {
13789 blackPlaysFirst = TRUE;
13790 currentMove = 1; /* kludge */
13791 DisplayBothClocks();
13793 } else if (gameMode == IcsExamining) {
13794 SendToICS(ics_prefix);
13795 SendToICS("tomove black\n");
13800 EditPositionMenuEvent(selection, x, y)
13801 ChessSquare selection;
13805 ChessSquare piece = boards[0][y][x];
13807 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13809 switch (selection) {
13811 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13812 SendToICS(ics_prefix);
13813 SendToICS("bsetup clear\n");
13814 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13815 SendToICS(ics_prefix);
13816 SendToICS("clearboard\n");
13818 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13819 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13820 for (y = 0; y < BOARD_HEIGHT; y++) {
13821 if (gameMode == IcsExamining) {
13822 if (boards[currentMove][y][x] != EmptySquare) {
13823 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13828 boards[0][y][x] = p;
13833 if (gameMode == EditPosition) {
13834 DrawPosition(FALSE, boards[0]);
13839 SetWhiteToPlayEvent();
13843 SetBlackToPlayEvent();
13847 if (gameMode == IcsExamining) {
13848 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13849 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13852 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13853 if(x == BOARD_LEFT-2) {
13854 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13855 boards[0][y][1] = 0;
13857 if(x == BOARD_RGHT+1) {
13858 if(y >= gameInfo.holdingsSize) break;
13859 boards[0][y][BOARD_WIDTH-2] = 0;
13862 boards[0][y][x] = EmptySquare;
13863 DrawPosition(FALSE, boards[0]);
13868 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13869 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13870 selection = (ChessSquare) (PROMOTED piece);
13871 } else if(piece == EmptySquare) selection = WhiteSilver;
13872 else selection = (ChessSquare)((int)piece - 1);
13876 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13877 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13878 selection = (ChessSquare) (DEMOTED piece);
13879 } else if(piece == EmptySquare) selection = BlackSilver;
13880 else selection = (ChessSquare)((int)piece + 1);
13885 if(gameInfo.variant == VariantShatranj ||
13886 gameInfo.variant == VariantXiangqi ||
13887 gameInfo.variant == VariantCourier ||
13888 gameInfo.variant == VariantMakruk )
13889 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13894 if(gameInfo.variant == VariantXiangqi)
13895 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13896 if(gameInfo.variant == VariantKnightmate)
13897 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13900 if (gameMode == IcsExamining) {
13901 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13902 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13903 PieceToChar(selection), AAA + x, ONE + y);
13906 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13908 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13909 n = PieceToNumber(selection - BlackPawn);
13910 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13911 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13912 boards[0][BOARD_HEIGHT-1-n][1]++;
13914 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13915 n = PieceToNumber(selection);
13916 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13917 boards[0][n][BOARD_WIDTH-1] = selection;
13918 boards[0][n][BOARD_WIDTH-2]++;
13921 boards[0][y][x] = selection;
13922 DrawPosition(TRUE, boards[0]);
13930 DropMenuEvent(selection, x, y)
13931 ChessSquare selection;
13934 ChessMove moveType;
13936 switch (gameMode) {
13937 case IcsPlayingWhite:
13938 case MachinePlaysBlack:
13939 if (!WhiteOnMove(currentMove)) {
13940 DisplayMoveError(_("It is Black's turn"));
13943 moveType = WhiteDrop;
13945 case IcsPlayingBlack:
13946 case MachinePlaysWhite:
13947 if (WhiteOnMove(currentMove)) {
13948 DisplayMoveError(_("It is White's turn"));
13951 moveType = BlackDrop;
13954 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13960 if (moveType == BlackDrop && selection < BlackPawn) {
13961 selection = (ChessSquare) ((int) selection
13962 + (int) BlackPawn - (int) WhitePawn);
13964 if (boards[currentMove][y][x] != EmptySquare) {
13965 DisplayMoveError(_("That square is occupied"));
13969 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13975 /* Accept a pending offer of any kind from opponent */
13977 if (appData.icsActive) {
13978 SendToICS(ics_prefix);
13979 SendToICS("accept\n");
13980 } else if (cmailMsgLoaded) {
13981 if (currentMove == cmailOldMove &&
13982 commentList[cmailOldMove] != NULL &&
13983 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13984 "Black offers a draw" : "White offers a draw")) {
13986 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13987 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13989 DisplayError(_("There is no pending offer on this move"), 0);
13990 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13993 /* Not used for offers from chess program */
14000 /* Decline a pending offer of any kind from opponent */
14002 if (appData.icsActive) {
14003 SendToICS(ics_prefix);
14004 SendToICS("decline\n");
14005 } else if (cmailMsgLoaded) {
14006 if (currentMove == cmailOldMove &&
14007 commentList[cmailOldMove] != NULL &&
14008 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14009 "Black offers a draw" : "White offers a draw")) {
14011 AppendComment(cmailOldMove, "Draw declined", TRUE);
14012 DisplayComment(cmailOldMove - 1, "Draw declined");
14015 DisplayError(_("There is no pending offer on this move"), 0);
14018 /* Not used for offers from chess program */
14025 /* Issue ICS rematch command */
14026 if (appData.icsActive) {
14027 SendToICS(ics_prefix);
14028 SendToICS("rematch\n");
14035 /* Call your opponent's flag (claim a win on time) */
14036 if (appData.icsActive) {
14037 SendToICS(ics_prefix);
14038 SendToICS("flag\n");
14040 switch (gameMode) {
14043 case MachinePlaysWhite:
14046 GameEnds(GameIsDrawn, "Both players ran out of time",
14049 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14051 DisplayError(_("Your opponent is not out of time"), 0);
14054 case MachinePlaysBlack:
14057 GameEnds(GameIsDrawn, "Both players ran out of time",
14060 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14062 DisplayError(_("Your opponent is not out of time"), 0);
14070 ClockClick(int which)
14071 { // [HGM] code moved to back-end from winboard.c
14072 if(which) { // black clock
14073 if (gameMode == EditPosition || gameMode == IcsExamining) {
14074 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14075 SetBlackToPlayEvent();
14076 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14077 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14078 } else if (shiftKey) {
14079 AdjustClock(which, -1);
14080 } else if (gameMode == IcsPlayingWhite ||
14081 gameMode == MachinePlaysBlack) {
14084 } else { // white clock
14085 if (gameMode == EditPosition || gameMode == IcsExamining) {
14086 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14087 SetWhiteToPlayEvent();
14088 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14089 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14090 } else if (shiftKey) {
14091 AdjustClock(which, -1);
14092 } else if (gameMode == IcsPlayingBlack ||
14093 gameMode == MachinePlaysWhite) {
14102 /* Offer draw or accept pending draw offer from opponent */
14104 if (appData.icsActive) {
14105 /* Note: tournament rules require draw offers to be
14106 made after you make your move but before you punch
14107 your clock. Currently ICS doesn't let you do that;
14108 instead, you immediately punch your clock after making
14109 a move, but you can offer a draw at any time. */
14111 SendToICS(ics_prefix);
14112 SendToICS("draw\n");
14113 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14114 } else if (cmailMsgLoaded) {
14115 if (currentMove == cmailOldMove &&
14116 commentList[cmailOldMove] != NULL &&
14117 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14118 "Black offers a draw" : "White offers a draw")) {
14119 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14120 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14121 } else if (currentMove == cmailOldMove + 1) {
14122 char *offer = WhiteOnMove(cmailOldMove) ?
14123 "White offers a draw" : "Black offers a draw";
14124 AppendComment(currentMove, offer, TRUE);
14125 DisplayComment(currentMove - 1, offer);
14126 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14128 DisplayError(_("You must make your move before offering a draw"), 0);
14129 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14131 } else if (first.offeredDraw) {
14132 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14134 if (first.sendDrawOffers) {
14135 SendToProgram("draw\n", &first);
14136 userOfferedDraw = TRUE;
14144 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14146 if (appData.icsActive) {
14147 SendToICS(ics_prefix);
14148 SendToICS("adjourn\n");
14150 /* Currently GNU Chess doesn't offer or accept Adjourns */
14158 /* Offer Abort or accept pending Abort offer from opponent */
14160 if (appData.icsActive) {
14161 SendToICS(ics_prefix);
14162 SendToICS("abort\n");
14164 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14171 /* Resign. You can do this even if it's not your turn. */
14173 if (appData.icsActive) {
14174 SendToICS(ics_prefix);
14175 SendToICS("resign\n");
14177 switch (gameMode) {
14178 case MachinePlaysWhite:
14179 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14181 case MachinePlaysBlack:
14182 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14185 if (cmailMsgLoaded) {
14187 if (WhiteOnMove(cmailOldMove)) {
14188 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14190 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14192 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14203 StopObservingEvent()
14205 /* Stop observing current games */
14206 SendToICS(ics_prefix);
14207 SendToICS("unobserve\n");
14211 StopExaminingEvent()
14213 /* Stop observing current game */
14214 SendToICS(ics_prefix);
14215 SendToICS("unexamine\n");
14219 ForwardInner(target)
14224 if (appData.debugMode)
14225 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14226 target, currentMove, forwardMostMove);
14228 if (gameMode == EditPosition)
14231 MarkTargetSquares(1);
14233 if (gameMode == PlayFromGameFile && !pausing)
14236 if (gameMode == IcsExamining && pausing)
14237 limit = pauseExamForwardMostMove;
14239 limit = forwardMostMove;
14241 if (target > limit) target = limit;
14243 if (target > 0 && moveList[target - 1][0]) {
14244 int fromX, fromY, toX, toY;
14245 toX = moveList[target - 1][2] - AAA;
14246 toY = moveList[target - 1][3] - ONE;
14247 if (moveList[target - 1][1] == '@') {
14248 if (appData.highlightLastMove) {
14249 SetHighlights(-1, -1, toX, toY);
14252 fromX = moveList[target - 1][0] - AAA;
14253 fromY = moveList[target - 1][1] - ONE;
14254 if (target == currentMove + 1) {
14255 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14257 if (appData.highlightLastMove) {
14258 SetHighlights(fromX, fromY, toX, toY);
14262 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14263 gameMode == Training || gameMode == PlayFromGameFile ||
14264 gameMode == AnalyzeFile) {
14265 while (currentMove < target) {
14266 SendMoveToProgram(currentMove++, &first);
14269 currentMove = target;
14272 if (gameMode == EditGame || gameMode == EndOfGame) {
14273 whiteTimeRemaining = timeRemaining[0][currentMove];
14274 blackTimeRemaining = timeRemaining[1][currentMove];
14276 DisplayBothClocks();
14277 DisplayMove(currentMove - 1);
14278 DrawPosition(FALSE, boards[currentMove]);
14279 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14280 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14281 DisplayComment(currentMove - 1, commentList[currentMove]);
14289 if (gameMode == IcsExamining && !pausing) {
14290 SendToICS(ics_prefix);
14291 SendToICS("forward\n");
14293 ForwardInner(currentMove + 1);
14300 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14301 /* to optimze, we temporarily turn off analysis mode while we feed
14302 * the remaining moves to the engine. Otherwise we get analysis output
14305 if (first.analysisSupport) {
14306 SendToProgram("exit\nforce\n", &first);
14307 first.analyzing = FALSE;
14311 if (gameMode == IcsExamining && !pausing) {
14312 SendToICS(ics_prefix);
14313 SendToICS("forward 999999\n");
14315 ForwardInner(forwardMostMove);
14318 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14319 /* we have fed all the moves, so reactivate analysis mode */
14320 SendToProgram("analyze\n", &first);
14321 first.analyzing = TRUE;
14322 /*first.maybeThinking = TRUE;*/
14323 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14328 BackwardInner(target)
14331 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14333 if (appData.debugMode)
14334 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14335 target, currentMove, forwardMostMove);
14337 if (gameMode == EditPosition) return;
14338 MarkTargetSquares(1);
14339 if (currentMove <= backwardMostMove) {
14341 DrawPosition(full_redraw, boards[currentMove]);
14344 if (gameMode == PlayFromGameFile && !pausing)
14347 if (moveList[target][0]) {
14348 int fromX, fromY, toX, toY;
14349 toX = moveList[target][2] - AAA;
14350 toY = moveList[target][3] - ONE;
14351 if (moveList[target][1] == '@') {
14352 if (appData.highlightLastMove) {
14353 SetHighlights(-1, -1, toX, toY);
14356 fromX = moveList[target][0] - AAA;
14357 fromY = moveList[target][1] - ONE;
14358 if (target == currentMove - 1) {
14359 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14361 if (appData.highlightLastMove) {
14362 SetHighlights(fromX, fromY, toX, toY);
14366 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14367 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14368 while (currentMove > target) {
14369 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14370 // null move cannot be undone. Reload program with move history before it.
14372 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14373 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14375 SendBoard(&first, i);
14376 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14379 SendToProgram("undo\n", &first);
14383 currentMove = target;
14386 if (gameMode == EditGame || gameMode == EndOfGame) {
14387 whiteTimeRemaining = timeRemaining[0][currentMove];
14388 blackTimeRemaining = timeRemaining[1][currentMove];
14390 DisplayBothClocks();
14391 DisplayMove(currentMove - 1);
14392 DrawPosition(full_redraw, boards[currentMove]);
14393 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14394 // [HGM] PV info: routine tests if comment empty
14395 DisplayComment(currentMove - 1, commentList[currentMove]);
14401 if (gameMode == IcsExamining && !pausing) {
14402 SendToICS(ics_prefix);
14403 SendToICS("backward\n");
14405 BackwardInner(currentMove - 1);
14412 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14413 /* to optimize, we temporarily turn off analysis mode while we undo
14414 * all the moves. Otherwise we get analysis output after each undo.
14416 if (first.analysisSupport) {
14417 SendToProgram("exit\nforce\n", &first);
14418 first.analyzing = FALSE;
14422 if (gameMode == IcsExamining && !pausing) {
14423 SendToICS(ics_prefix);
14424 SendToICS("backward 999999\n");
14426 BackwardInner(backwardMostMove);
14429 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14430 /* we have fed all the moves, so reactivate analysis mode */
14431 SendToProgram("analyze\n", &first);
14432 first.analyzing = TRUE;
14433 /*first.maybeThinking = TRUE;*/
14434 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14441 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14442 if (to >= forwardMostMove) to = forwardMostMove;
14443 if (to <= backwardMostMove) to = backwardMostMove;
14444 if (to < currentMove) {
14452 RevertEvent(Boolean annotate)
14454 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14457 if (gameMode != IcsExamining) {
14458 DisplayError(_("You are not examining a game"), 0);
14462 DisplayError(_("You can't revert while pausing"), 0);
14465 SendToICS(ics_prefix);
14466 SendToICS("revert\n");
14472 switch (gameMode) {
14473 case MachinePlaysWhite:
14474 case MachinePlaysBlack:
14475 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14476 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14479 if (forwardMostMove < 2) return;
14480 currentMove = forwardMostMove = forwardMostMove - 2;
14481 whiteTimeRemaining = timeRemaining[0][currentMove];
14482 blackTimeRemaining = timeRemaining[1][currentMove];
14483 DisplayBothClocks();
14484 DisplayMove(currentMove - 1);
14485 ClearHighlights();/*!! could figure this out*/
14486 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14487 SendToProgram("remove\n", &first);
14488 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14491 case BeginningOfGame:
14495 case IcsPlayingWhite:
14496 case IcsPlayingBlack:
14497 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14498 SendToICS(ics_prefix);
14499 SendToICS("takeback 2\n");
14501 SendToICS(ics_prefix);
14502 SendToICS("takeback 1\n");
14511 ChessProgramState *cps;
14513 switch (gameMode) {
14514 case MachinePlaysWhite:
14515 if (!WhiteOnMove(forwardMostMove)) {
14516 DisplayError(_("It is your turn"), 0);
14521 case MachinePlaysBlack:
14522 if (WhiteOnMove(forwardMostMove)) {
14523 DisplayError(_("It is your turn"), 0);
14528 case TwoMachinesPlay:
14529 if (WhiteOnMove(forwardMostMove) ==
14530 (first.twoMachinesColor[0] == 'w')) {
14536 case BeginningOfGame:
14540 SendToProgram("?\n", cps);
14544 TruncateGameEvent()
14547 if (gameMode != EditGame) return;
14554 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14555 if (forwardMostMove > currentMove) {
14556 if (gameInfo.resultDetails != NULL) {
14557 free(gameInfo.resultDetails);
14558 gameInfo.resultDetails = NULL;
14559 gameInfo.result = GameUnfinished;
14561 forwardMostMove = currentMove;
14562 HistorySet(parseList, backwardMostMove, forwardMostMove,
14570 if (appData.noChessProgram) return;
14571 switch (gameMode) {
14572 case MachinePlaysWhite:
14573 if (WhiteOnMove(forwardMostMove)) {
14574 DisplayError(_("Wait until your turn"), 0);
14578 case BeginningOfGame:
14579 case MachinePlaysBlack:
14580 if (!WhiteOnMove(forwardMostMove)) {
14581 DisplayError(_("Wait until your turn"), 0);
14586 DisplayError(_("No hint available"), 0);
14589 SendToProgram("hint\n", &first);
14590 hintRequested = TRUE;
14596 if (appData.noChessProgram) return;
14597 switch (gameMode) {
14598 case MachinePlaysWhite:
14599 if (WhiteOnMove(forwardMostMove)) {
14600 DisplayError(_("Wait until your turn"), 0);
14604 case BeginningOfGame:
14605 case MachinePlaysBlack:
14606 if (!WhiteOnMove(forwardMostMove)) {
14607 DisplayError(_("Wait until your turn"), 0);
14612 EditPositionDone(TRUE);
14614 case TwoMachinesPlay:
14619 SendToProgram("bk\n", &first);
14620 bookOutput[0] = NULLCHAR;
14621 bookRequested = TRUE;
14627 char *tags = PGNTags(&gameInfo);
14628 TagsPopUp(tags, CmailMsg());
14632 /* end button procedures */
14635 PrintPosition(fp, move)
14641 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14642 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14643 char c = PieceToChar(boards[move][i][j]);
14644 fputc(c == 'x' ? '.' : c, fp);
14645 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14648 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14649 fprintf(fp, "white to play\n");
14651 fprintf(fp, "black to play\n");
14658 if (gameInfo.white != NULL) {
14659 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14665 /* Find last component of program's own name, using some heuristics */
14667 TidyProgramName(prog, host, buf)
14668 char *prog, *host, buf[MSG_SIZ];
14671 int local = (strcmp(host, "localhost") == 0);
14672 while (!local && (p = strchr(prog, ';')) != NULL) {
14674 while (*p == ' ') p++;
14677 if (*prog == '"' || *prog == '\'') {
14678 q = strchr(prog + 1, *prog);
14680 q = strchr(prog, ' ');
14682 if (q == NULL) q = prog + strlen(prog);
14684 while (p >= prog && *p != '/' && *p != '\\') p--;
14686 if(p == prog && *p == '"') p++;
14687 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14688 memcpy(buf, p, q - p);
14689 buf[q - p] = NULLCHAR;
14697 TimeControlTagValue()
14700 if (!appData.clockMode) {
14701 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14702 } else if (movesPerSession > 0) {
14703 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14704 } else if (timeIncrement == 0) {
14705 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14707 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14709 return StrSave(buf);
14715 /* This routine is used only for certain modes */
14716 VariantClass v = gameInfo.variant;
14717 ChessMove r = GameUnfinished;
14720 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14721 r = gameInfo.result;
14722 p = gameInfo.resultDetails;
14723 gameInfo.resultDetails = NULL;
14725 ClearGameInfo(&gameInfo);
14726 gameInfo.variant = v;
14728 switch (gameMode) {
14729 case MachinePlaysWhite:
14730 gameInfo.event = StrSave( appData.pgnEventHeader );
14731 gameInfo.site = StrSave(HostName());
14732 gameInfo.date = PGNDate();
14733 gameInfo.round = StrSave("-");
14734 gameInfo.white = StrSave(first.tidy);
14735 gameInfo.black = StrSave(UserName());
14736 gameInfo.timeControl = TimeControlTagValue();
14739 case MachinePlaysBlack:
14740 gameInfo.event = StrSave( appData.pgnEventHeader );
14741 gameInfo.site = StrSave(HostName());
14742 gameInfo.date = PGNDate();
14743 gameInfo.round = StrSave("-");
14744 gameInfo.white = StrSave(UserName());
14745 gameInfo.black = StrSave(first.tidy);
14746 gameInfo.timeControl = TimeControlTagValue();
14749 case TwoMachinesPlay:
14750 gameInfo.event = StrSave( appData.pgnEventHeader );
14751 gameInfo.site = StrSave(HostName());
14752 gameInfo.date = PGNDate();
14755 snprintf(buf, MSG_SIZ, "%d", roundNr);
14756 gameInfo.round = StrSave(buf);
14758 gameInfo.round = StrSave("-");
14760 if (first.twoMachinesColor[0] == 'w') {
14761 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14762 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14764 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14765 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14767 gameInfo.timeControl = TimeControlTagValue();
14771 gameInfo.event = StrSave("Edited game");
14772 gameInfo.site = StrSave(HostName());
14773 gameInfo.date = PGNDate();
14774 gameInfo.round = StrSave("-");
14775 gameInfo.white = StrSave("-");
14776 gameInfo.black = StrSave("-");
14777 gameInfo.result = r;
14778 gameInfo.resultDetails = p;
14782 gameInfo.event = StrSave("Edited position");
14783 gameInfo.site = StrSave(HostName());
14784 gameInfo.date = PGNDate();
14785 gameInfo.round = StrSave("-");
14786 gameInfo.white = StrSave("-");
14787 gameInfo.black = StrSave("-");
14790 case IcsPlayingWhite:
14791 case IcsPlayingBlack:
14796 case PlayFromGameFile:
14797 gameInfo.event = StrSave("Game from non-PGN file");
14798 gameInfo.site = StrSave(HostName());
14799 gameInfo.date = PGNDate();
14800 gameInfo.round = StrSave("-");
14801 gameInfo.white = StrSave("?");
14802 gameInfo.black = StrSave("?");
14811 ReplaceComment(index, text)
14819 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14820 pvInfoList[index-1].depth == len &&
14821 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14822 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14823 while (*text == '\n') text++;
14824 len = strlen(text);
14825 while (len > 0 && text[len - 1] == '\n') len--;
14827 if (commentList[index] != NULL)
14828 free(commentList[index]);
14831 commentList[index] = NULL;
14834 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14835 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14836 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14837 commentList[index] = (char *) malloc(len + 2);
14838 strncpy(commentList[index], text, len);
14839 commentList[index][len] = '\n';
14840 commentList[index][len + 1] = NULLCHAR;
14842 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14844 commentList[index] = (char *) malloc(len + 7);
14845 safeStrCpy(commentList[index], "{\n", 3);
14846 safeStrCpy(commentList[index]+2, text, len+1);
14847 commentList[index][len+2] = NULLCHAR;
14848 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14849 strcat(commentList[index], "\n}\n");
14863 if (ch == '\r') continue;
14865 } while (ch != '\0');
14869 AppendComment(index, text, addBraces)
14872 Boolean addBraces; // [HGM] braces: tells if we should add {}
14877 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14878 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14881 while (*text == '\n') text++;
14882 len = strlen(text);
14883 while (len > 0 && text[len - 1] == '\n') len--;
14885 if (len == 0) return;
14887 if (commentList[index] != NULL) {
14888 Boolean addClosingBrace = addBraces;
14889 old = commentList[index];
14890 oldlen = strlen(old);
14891 while(commentList[index][oldlen-1] == '\n')
14892 commentList[index][--oldlen] = NULLCHAR;
14893 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14894 safeStrCpy(commentList[index], old, oldlen + len + 6);
14896 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14897 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14898 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14899 while (*text == '\n') { text++; len--; }
14900 commentList[index][--oldlen] = NULLCHAR;
14902 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14903 else strcat(commentList[index], "\n");
14904 strcat(commentList[index], text);
14905 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14906 else strcat(commentList[index], "\n");
14908 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14910 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14911 else commentList[index][0] = NULLCHAR;
14912 strcat(commentList[index], text);
14913 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14914 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14918 static char * FindStr( char * text, char * sub_text )
14920 char * result = strstr( text, sub_text );
14922 if( result != NULL ) {
14923 result += strlen( sub_text );
14929 /* [AS] Try to extract PV info from PGN comment */
14930 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14931 char *GetInfoFromComment( int index, char * text )
14933 char * sep = text, *p;
14935 if( text != NULL && index > 0 ) {
14938 int time = -1, sec = 0, deci;
14939 char * s_eval = FindStr( text, "[%eval " );
14940 char * s_emt = FindStr( text, "[%emt " );
14942 if( s_eval != NULL || s_emt != NULL ) {
14946 if( s_eval != NULL ) {
14947 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14951 if( delim != ']' ) {
14956 if( s_emt != NULL ) {
14961 /* We expect something like: [+|-]nnn.nn/dd */
14964 if(*text != '{') return text; // [HGM] braces: must be normal comment
14966 sep = strchr( text, '/' );
14967 if( sep == NULL || sep < (text+4) ) {
14972 if(p[1] == '(') { // comment starts with PV
14973 p = strchr(p, ')'); // locate end of PV
14974 if(p == NULL || sep < p+5) return text;
14975 // at this point we have something like "{(.*) +0.23/6 ..."
14976 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14977 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14978 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14980 time = -1; sec = -1; deci = -1;
14981 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14982 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14983 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14984 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14988 if( score_lo < 0 || score_lo >= 100 ) {
14992 if(sec >= 0) time = 600*time + 10*sec; else
14993 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14995 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14997 /* [HGM] PV time: now locate end of PV info */
14998 while( *++sep >= '0' && *sep <= '9'); // strip depth
15000 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15002 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15004 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15005 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15016 pvInfoList[index-1].depth = depth;
15017 pvInfoList[index-1].score = score;
15018 pvInfoList[index-1].time = 10*time; // centi-sec
15019 if(*sep == '}') *sep = 0; else *--sep = '{';
15020 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15026 SendToProgram(message, cps)
15028 ChessProgramState *cps;
15030 int count, outCount, error;
15033 if (cps->pr == NoProc) return;
15036 if (appData.debugMode) {
15039 fprintf(debugFP, "%ld >%-6s: %s",
15040 SubtractTimeMarks(&now, &programStartTime),
15041 cps->which, message);
15044 count = strlen(message);
15045 outCount = OutputToProcess(cps->pr, message, count, &error);
15046 if (outCount < count && !exiting
15047 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15048 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15049 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15050 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15051 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15052 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15053 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15054 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15056 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15057 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15058 gameInfo.result = res;
15060 gameInfo.resultDetails = StrSave(buf);
15062 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15063 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15068 ReceiveFromProgram(isr, closure, message, count, error)
15069 InputSourceRef isr;
15077 ChessProgramState *cps = (ChessProgramState *)closure;
15079 if (isr != cps->isr) return; /* Killed intentionally */
15082 RemoveInputSource(cps->isr);
15083 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15084 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15085 _(cps->which), cps->program);
15086 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15087 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15088 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15089 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15090 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15092 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15093 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15094 gameInfo.result = res;
15096 gameInfo.resultDetails = StrSave(buf);
15098 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15099 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15101 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15102 _(cps->which), cps->program);
15103 RemoveInputSource(cps->isr);
15105 /* [AS] Program is misbehaving badly... kill it */
15106 if( count == -2 ) {
15107 DestroyChildProcess( cps->pr, 9 );
15111 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15116 if ((end_str = strchr(message, '\r')) != NULL)
15117 *end_str = NULLCHAR;
15118 if ((end_str = strchr(message, '\n')) != NULL)
15119 *end_str = NULLCHAR;
15121 if (appData.debugMode) {
15122 TimeMark now; int print = 1;
15123 char *quote = ""; char c; int i;
15125 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15126 char start = message[0];
15127 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15128 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15129 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15130 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15131 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15132 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15133 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15134 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15135 sscanf(message, "hint: %c", &c)!=1 &&
15136 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15137 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15138 print = (appData.engineComments >= 2);
15140 message[0] = start; // restore original message
15144 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15145 SubtractTimeMarks(&now, &programStartTime), cps->which,
15151 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15152 if (appData.icsEngineAnalyze) {
15153 if (strstr(message, "whisper") != NULL ||
15154 strstr(message, "kibitz") != NULL ||
15155 strstr(message, "tellics") != NULL) return;
15158 HandleMachineMove(message, cps);
15163 SendTimeControl(cps, mps, tc, inc, sd, st)
15164 ChessProgramState *cps;
15165 int mps, inc, sd, st;
15171 if( timeControl_2 > 0 ) {
15172 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15173 tc = timeControl_2;
15176 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15177 inc /= cps->timeOdds;
15178 st /= cps->timeOdds;
15180 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15183 /* Set exact time per move, normally using st command */
15184 if (cps->stKludge) {
15185 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15187 if (seconds == 0) {
15188 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15190 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15193 snprintf(buf, MSG_SIZ, "st %d\n", st);
15196 /* Set conventional or incremental time control, using level command */
15197 if (seconds == 0) {
15198 /* Note old gnuchess bug -- minutes:seconds used to not work.
15199 Fixed in later versions, but still avoid :seconds
15200 when seconds is 0. */
15201 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15203 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15204 seconds, inc/1000.);
15207 SendToProgram(buf, cps);
15209 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15210 /* Orthogonally, limit search to given depth */
15212 if (cps->sdKludge) {
15213 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15215 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15217 SendToProgram(buf, cps);
15220 if(cps->nps >= 0) { /* [HGM] nps */
15221 if(cps->supportsNPS == FALSE)
15222 cps->nps = -1; // don't use if engine explicitly says not supported!
15224 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15225 SendToProgram(buf, cps);
15230 ChessProgramState *WhitePlayer()
15231 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15233 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15234 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15240 SendTimeRemaining(cps, machineWhite)
15241 ChessProgramState *cps;
15242 int /*boolean*/ machineWhite;
15244 char message[MSG_SIZ];
15247 /* Note: this routine must be called when the clocks are stopped
15248 or when they have *just* been set or switched; otherwise
15249 it will be off by the time since the current tick started.
15251 if (machineWhite) {
15252 time = whiteTimeRemaining / 10;
15253 otime = blackTimeRemaining / 10;
15255 time = blackTimeRemaining / 10;
15256 otime = whiteTimeRemaining / 10;
15258 /* [HGM] translate opponent's time by time-odds factor */
15259 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15260 if (appData.debugMode) {
15261 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15264 if (time <= 0) time = 1;
15265 if (otime <= 0) otime = 1;
15267 snprintf(message, MSG_SIZ, "time %ld\n", time);
15268 SendToProgram(message, cps);
15270 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15271 SendToProgram(message, cps);
15275 BoolFeature(p, name, loc, cps)
15279 ChessProgramState *cps;
15282 int len = strlen(name);
15285 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15287 sscanf(*p, "%d", &val);
15289 while (**p && **p != ' ')
15291 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15292 SendToProgram(buf, cps);
15299 IntFeature(p, name, loc, cps)
15303 ChessProgramState *cps;
15306 int len = strlen(name);
15307 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15309 sscanf(*p, "%d", loc);
15310 while (**p && **p != ' ') (*p)++;
15311 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15312 SendToProgram(buf, cps);
15319 StringFeature(p, name, loc, cps)
15323 ChessProgramState *cps;
15326 int len = strlen(name);
15327 if (strncmp((*p), name, len) == 0
15328 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15330 sscanf(*p, "%[^\"]", loc);
15331 while (**p && **p != '\"') (*p)++;
15332 if (**p == '\"') (*p)++;
15333 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15334 SendToProgram(buf, cps);
15341 ParseOption(Option *opt, ChessProgramState *cps)
15342 // [HGM] options: process the string that defines an engine option, and determine
15343 // name, type, default value, and allowed value range
15345 char *p, *q, buf[MSG_SIZ];
15346 int n, min = (-1)<<31, max = 1<<31, def;
15348 if(p = strstr(opt->name, " -spin ")) {
15349 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15350 if(max < min) max = min; // enforce consistency
15351 if(def < min) def = min;
15352 if(def > max) def = max;
15357 } else if((p = strstr(opt->name, " -slider "))) {
15358 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15359 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15360 if(max < min) max = min; // enforce consistency
15361 if(def < min) def = min;
15362 if(def > max) def = max;
15366 opt->type = Spin; // Slider;
15367 } else if((p = strstr(opt->name, " -string "))) {
15368 opt->textValue = p+9;
15369 opt->type = TextBox;
15370 } else if((p = strstr(opt->name, " -file "))) {
15371 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15372 opt->textValue = p+7;
15373 opt->type = FileName; // FileName;
15374 } else if((p = strstr(opt->name, " -path "))) {
15375 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15376 opt->textValue = p+7;
15377 opt->type = PathName; // PathName;
15378 } else if(p = strstr(opt->name, " -check ")) {
15379 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15380 opt->value = (def != 0);
15381 opt->type = CheckBox;
15382 } else if(p = strstr(opt->name, " -combo ")) {
15383 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15384 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15385 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15386 opt->value = n = 0;
15387 while(q = StrStr(q, " /// ")) {
15388 n++; *q = 0; // count choices, and null-terminate each of them
15390 if(*q == '*') { // remember default, which is marked with * prefix
15394 cps->comboList[cps->comboCnt++] = q;
15396 cps->comboList[cps->comboCnt++] = NULL;
15398 opt->type = ComboBox;
15399 } else if(p = strstr(opt->name, " -button")) {
15400 opt->type = Button;
15401 } else if(p = strstr(opt->name, " -save")) {
15402 opt->type = SaveButton;
15403 } else return FALSE;
15404 *p = 0; // terminate option name
15405 // now look if the command-line options define a setting for this engine option.
15406 if(cps->optionSettings && cps->optionSettings[0])
15407 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15408 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15409 snprintf(buf, MSG_SIZ, "option %s", p);
15410 if(p = strstr(buf, ",")) *p = 0;
15411 if(q = strchr(buf, '=')) switch(opt->type) {
15413 for(n=0; n<opt->max; n++)
15414 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15417 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15421 opt->value = atoi(q+1);
15426 SendToProgram(buf, cps);
15432 FeatureDone(cps, val)
15433 ChessProgramState* cps;
15436 DelayedEventCallback cb = GetDelayedEvent();
15437 if ((cb == InitBackEnd3 && cps == &first) ||
15438 (cb == SettingsMenuIfReady && cps == &second) ||
15439 (cb == LoadEngine) ||
15440 (cb == TwoMachinesEventIfReady)) {
15441 CancelDelayedEvent();
15442 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15444 cps->initDone = val;
15447 /* Parse feature command from engine */
15449 ParseFeatures(args, cps)
15451 ChessProgramState *cps;
15459 while (*p == ' ') p++;
15460 if (*p == NULLCHAR) return;
15462 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15463 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15464 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15465 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15466 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15467 if (BoolFeature(&p, "reuse", &val, cps)) {
15468 /* Engine can disable reuse, but can't enable it if user said no */
15469 if (!val) cps->reuse = FALSE;
15472 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15473 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15474 if (gameMode == TwoMachinesPlay) {
15475 DisplayTwoMachinesTitle();
15481 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15482 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15483 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15484 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15485 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15486 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15487 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15488 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15489 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15490 if (IntFeature(&p, "done", &val, cps)) {
15491 FeatureDone(cps, val);
15494 /* Added by Tord: */
15495 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15496 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15497 /* End of additions by Tord */
15499 /* [HGM] added features: */
15500 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15501 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15502 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15503 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15504 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15505 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15506 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15507 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15508 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15509 SendToProgram(buf, cps);
15512 if(cps->nrOptions >= MAX_OPTIONS) {
15514 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15515 DisplayError(buf, 0);
15519 /* End of additions by HGM */
15521 /* unknown feature: complain and skip */
15523 while (*q && *q != '=') q++;
15524 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15525 SendToProgram(buf, cps);
15531 while (*p && *p != '\"') p++;
15532 if (*p == '\"') p++;
15534 while (*p && *p != ' ') p++;
15542 PeriodicUpdatesEvent(newState)
15545 if (newState == appData.periodicUpdates)
15548 appData.periodicUpdates=newState;
15550 /* Display type changes, so update it now */
15551 // DisplayAnalysis();
15553 /* Get the ball rolling again... */
15555 AnalysisPeriodicEvent(1);
15556 StartAnalysisClock();
15561 PonderNextMoveEvent(newState)
15564 if (newState == appData.ponderNextMove) return;
15565 if (gameMode == EditPosition) EditPositionDone(TRUE);
15567 SendToProgram("hard\n", &first);
15568 if (gameMode == TwoMachinesPlay) {
15569 SendToProgram("hard\n", &second);
15572 SendToProgram("easy\n", &first);
15573 thinkOutput[0] = NULLCHAR;
15574 if (gameMode == TwoMachinesPlay) {
15575 SendToProgram("easy\n", &second);
15578 appData.ponderNextMove = newState;
15582 NewSettingEvent(option, feature, command, value)
15584 int option, value, *feature;
15588 if (gameMode == EditPosition) EditPositionDone(TRUE);
15589 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15590 if(feature == NULL || *feature) SendToProgram(buf, &first);
15591 if (gameMode == TwoMachinesPlay) {
15592 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15597 ShowThinkingEvent()
15598 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15600 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15601 int newState = appData.showThinking
15602 // [HGM] thinking: other features now need thinking output as well
15603 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15605 if (oldState == newState) return;
15606 oldState = newState;
15607 if (gameMode == EditPosition) EditPositionDone(TRUE);
15609 SendToProgram("post\n", &first);
15610 if (gameMode == TwoMachinesPlay) {
15611 SendToProgram("post\n", &second);
15614 SendToProgram("nopost\n", &first);
15615 thinkOutput[0] = NULLCHAR;
15616 if (gameMode == TwoMachinesPlay) {
15617 SendToProgram("nopost\n", &second);
15620 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15624 AskQuestionEvent(title, question, replyPrefix, which)
15625 char *title; char *question; char *replyPrefix; char *which;
15627 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15628 if (pr == NoProc) return;
15629 AskQuestion(title, question, replyPrefix, pr);
15633 TypeInEvent(char firstChar)
15635 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15636 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15637 gameMode == AnalyzeMode || gameMode == EditGame ||
15638 gameMode == EditPosition || gameMode == IcsExamining ||
15639 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15640 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15641 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15642 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15643 gameMode == Training) PopUpMoveDialog(firstChar);
15647 TypeInDoneEvent(char *move)
15650 int n, fromX, fromY, toX, toY;
15652 ChessMove moveType;
15655 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15656 EditPositionPasteFEN(move);
15659 // [HGM] movenum: allow move number to be typed in any mode
15660 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15665 if (gameMode != EditGame && currentMove != forwardMostMove &&
15666 gameMode != Training) {
15667 DisplayMoveError(_("Displayed move is not current"));
15669 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15670 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15671 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15672 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15673 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15674 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15676 DisplayMoveError(_("Could not parse move"));
15682 DisplayMove(moveNumber)
15685 char message[MSG_SIZ];
15687 char cpThinkOutput[MSG_SIZ];
15689 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15691 if (moveNumber == forwardMostMove - 1 ||
15692 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15694 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15696 if (strchr(cpThinkOutput, '\n')) {
15697 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15700 *cpThinkOutput = NULLCHAR;
15703 /* [AS] Hide thinking from human user */
15704 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15705 *cpThinkOutput = NULLCHAR;
15706 if( thinkOutput[0] != NULLCHAR ) {
15709 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15710 cpThinkOutput[i] = '.';
15712 cpThinkOutput[i] = NULLCHAR;
15713 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15717 if (moveNumber == forwardMostMove - 1 &&
15718 gameInfo.resultDetails != NULL) {
15719 if (gameInfo.resultDetails[0] == NULLCHAR) {
15720 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15722 snprintf(res, MSG_SIZ, " {%s} %s",
15723 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15729 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15730 DisplayMessage(res, cpThinkOutput);
15732 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15733 WhiteOnMove(moveNumber) ? " " : ".. ",
15734 parseList[moveNumber], res);
15735 DisplayMessage(message, cpThinkOutput);
15740 DisplayComment(moveNumber, text)
15744 char title[MSG_SIZ];
15746 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15747 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15749 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15750 WhiteOnMove(moveNumber) ? " " : ".. ",
15751 parseList[moveNumber]);
15753 if (text != NULL && (appData.autoDisplayComment || commentUp))
15754 CommentPopUp(title, text);
15757 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15758 * might be busy thinking or pondering. It can be omitted if your
15759 * gnuchess is configured to stop thinking immediately on any user
15760 * input. However, that gnuchess feature depends on the FIONREAD
15761 * ioctl, which does not work properly on some flavors of Unix.
15765 ChessProgramState *cps;
15768 if (!cps->useSigint) return;
15769 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15770 switch (gameMode) {
15771 case MachinePlaysWhite:
15772 case MachinePlaysBlack:
15773 case TwoMachinesPlay:
15774 case IcsPlayingWhite:
15775 case IcsPlayingBlack:
15778 /* Skip if we know it isn't thinking */
15779 if (!cps->maybeThinking) return;
15780 if (appData.debugMode)
15781 fprintf(debugFP, "Interrupting %s\n", cps->which);
15782 InterruptChildProcess(cps->pr);
15783 cps->maybeThinking = FALSE;
15788 #endif /*ATTENTION*/
15794 if (whiteTimeRemaining <= 0) {
15797 if (appData.icsActive) {
15798 if (appData.autoCallFlag &&
15799 gameMode == IcsPlayingBlack && !blackFlag) {
15800 SendToICS(ics_prefix);
15801 SendToICS("flag\n");
15805 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15807 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15808 if (appData.autoCallFlag) {
15809 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15816 if (blackTimeRemaining <= 0) {
15819 if (appData.icsActive) {
15820 if (appData.autoCallFlag &&
15821 gameMode == IcsPlayingWhite && !whiteFlag) {
15822 SendToICS(ics_prefix);
15823 SendToICS("flag\n");
15827 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15829 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15830 if (appData.autoCallFlag) {
15831 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15844 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15845 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15848 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15850 if ( !WhiteOnMove(forwardMostMove) ) {
15851 /* White made time control */
15852 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15853 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15854 /* [HGM] time odds: correct new time quota for time odds! */
15855 / WhitePlayer()->timeOdds;
15856 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15858 lastBlack -= blackTimeRemaining;
15859 /* Black made time control */
15860 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15861 / WhitePlayer()->other->timeOdds;
15862 lastWhite = whiteTimeRemaining;
15867 DisplayBothClocks()
15869 int wom = gameMode == EditPosition ?
15870 !blackPlaysFirst : WhiteOnMove(currentMove);
15871 DisplayWhiteClock(whiteTimeRemaining, wom);
15872 DisplayBlackClock(blackTimeRemaining, !wom);
15876 /* Timekeeping seems to be a portability nightmare. I think everyone
15877 has ftime(), but I'm really not sure, so I'm including some ifdefs
15878 to use other calls if you don't. Clocks will be less accurate if
15879 you have neither ftime nor gettimeofday.
15882 /* VS 2008 requires the #include outside of the function */
15883 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15884 #include <sys/timeb.h>
15887 /* Get the current time as a TimeMark */
15892 #if HAVE_GETTIMEOFDAY
15894 struct timeval timeVal;
15895 struct timezone timeZone;
15897 gettimeofday(&timeVal, &timeZone);
15898 tm->sec = (long) timeVal.tv_sec;
15899 tm->ms = (int) (timeVal.tv_usec / 1000L);
15901 #else /*!HAVE_GETTIMEOFDAY*/
15904 // include <sys/timeb.h> / moved to just above start of function
15905 struct timeb timeB;
15908 tm->sec = (long) timeB.time;
15909 tm->ms = (int) timeB.millitm;
15911 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15912 tm->sec = (long) time(NULL);
15918 /* Return the difference in milliseconds between two
15919 time marks. We assume the difference will fit in a long!
15922 SubtractTimeMarks(tm2, tm1)
15923 TimeMark *tm2, *tm1;
15925 return 1000L*(tm2->sec - tm1->sec) +
15926 (long) (tm2->ms - tm1->ms);
15931 * Code to manage the game clocks.
15933 * In tournament play, black starts the clock and then white makes a move.
15934 * We give the human user a slight advantage if he is playing white---the
15935 * clocks don't run until he makes his first move, so it takes zero time.
15936 * Also, we don't account for network lag, so we could get out of sync
15937 * with GNU Chess's clock -- but then, referees are always right.
15940 static TimeMark tickStartTM;
15941 static long intendedTickLength;
15944 NextTickLength(timeRemaining)
15945 long timeRemaining;
15947 long nominalTickLength, nextTickLength;
15949 if (timeRemaining > 0L && timeRemaining <= 10000L)
15950 nominalTickLength = 100L;
15952 nominalTickLength = 1000L;
15953 nextTickLength = timeRemaining % nominalTickLength;
15954 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15956 return nextTickLength;
15959 /* Adjust clock one minute up or down */
15961 AdjustClock(Boolean which, int dir)
15963 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15964 if(which) blackTimeRemaining += 60000*dir;
15965 else whiteTimeRemaining += 60000*dir;
15966 DisplayBothClocks();
15967 adjustedClock = TRUE;
15970 /* Stop clocks and reset to a fresh time control */
15974 (void) StopClockTimer();
15975 if (appData.icsActive) {
15976 whiteTimeRemaining = blackTimeRemaining = 0;
15977 } else if (searchTime) {
15978 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15979 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15980 } else { /* [HGM] correct new time quote for time odds */
15981 whiteTC = blackTC = fullTimeControlString;
15982 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15983 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15985 if (whiteFlag || blackFlag) {
15987 whiteFlag = blackFlag = FALSE;
15989 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15990 DisplayBothClocks();
15991 adjustedClock = FALSE;
15994 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15996 /* Decrement running clock by amount of time that has passed */
16000 long timeRemaining;
16001 long lastTickLength, fudge;
16004 if (!appData.clockMode) return;
16005 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16009 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16011 /* Fudge if we woke up a little too soon */
16012 fudge = intendedTickLength - lastTickLength;
16013 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16015 if (WhiteOnMove(forwardMostMove)) {
16016 if(whiteNPS >= 0) lastTickLength = 0;
16017 timeRemaining = whiteTimeRemaining -= lastTickLength;
16018 if(timeRemaining < 0 && !appData.icsActive) {
16019 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16020 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16021 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16022 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16025 DisplayWhiteClock(whiteTimeRemaining - fudge,
16026 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16028 if(blackNPS >= 0) lastTickLength = 0;
16029 timeRemaining = blackTimeRemaining -= lastTickLength;
16030 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16031 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16033 blackStartMove = forwardMostMove;
16034 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16037 DisplayBlackClock(blackTimeRemaining - fudge,
16038 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16040 if (CheckFlags()) return;
16043 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16044 StartClockTimer(intendedTickLength);
16046 /* if the time remaining has fallen below the alarm threshold, sound the
16047 * alarm. if the alarm has sounded and (due to a takeback or time control
16048 * with increment) the time remaining has increased to a level above the
16049 * threshold, reset the alarm so it can sound again.
16052 if (appData.icsActive && appData.icsAlarm) {
16054 /* make sure we are dealing with the user's clock */
16055 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16056 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16059 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16060 alarmSounded = FALSE;
16061 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16063 alarmSounded = TRUE;
16069 /* A player has just moved, so stop the previously running
16070 clock and (if in clock mode) start the other one.
16071 We redisplay both clocks in case we're in ICS mode, because
16072 ICS gives us an update to both clocks after every move.
16073 Note that this routine is called *after* forwardMostMove
16074 is updated, so the last fractional tick must be subtracted
16075 from the color that is *not* on move now.
16078 SwitchClocks(int newMoveNr)
16080 long lastTickLength;
16082 int flagged = FALSE;
16086 if (StopClockTimer() && appData.clockMode) {
16087 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16088 if (!WhiteOnMove(forwardMostMove)) {
16089 if(blackNPS >= 0) lastTickLength = 0;
16090 blackTimeRemaining -= lastTickLength;
16091 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16092 // if(pvInfoList[forwardMostMove].time == -1)
16093 pvInfoList[forwardMostMove].time = // use GUI time
16094 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16096 if(whiteNPS >= 0) lastTickLength = 0;
16097 whiteTimeRemaining -= lastTickLength;
16098 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16099 // if(pvInfoList[forwardMostMove].time == -1)
16100 pvInfoList[forwardMostMove].time =
16101 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16103 flagged = CheckFlags();
16105 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16106 CheckTimeControl();
16108 if (flagged || !appData.clockMode) return;
16110 switch (gameMode) {
16111 case MachinePlaysBlack:
16112 case MachinePlaysWhite:
16113 case BeginningOfGame:
16114 if (pausing) return;
16118 case PlayFromGameFile:
16126 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16127 if(WhiteOnMove(forwardMostMove))
16128 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16129 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16133 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16134 whiteTimeRemaining : blackTimeRemaining);
16135 StartClockTimer(intendedTickLength);
16139 /* Stop both clocks */
16143 long lastTickLength;
16146 if (!StopClockTimer()) return;
16147 if (!appData.clockMode) return;
16151 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16152 if (WhiteOnMove(forwardMostMove)) {
16153 if(whiteNPS >= 0) lastTickLength = 0;
16154 whiteTimeRemaining -= lastTickLength;
16155 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16157 if(blackNPS >= 0) lastTickLength = 0;
16158 blackTimeRemaining -= lastTickLength;
16159 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16164 /* Start clock of player on move. Time may have been reset, so
16165 if clock is already running, stop and restart it. */
16169 (void) StopClockTimer(); /* in case it was running already */
16170 DisplayBothClocks();
16171 if (CheckFlags()) return;
16173 if (!appData.clockMode) return;
16174 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16176 GetTimeMark(&tickStartTM);
16177 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16178 whiteTimeRemaining : blackTimeRemaining);
16180 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16181 whiteNPS = blackNPS = -1;
16182 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16183 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16184 whiteNPS = first.nps;
16185 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16186 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16187 blackNPS = first.nps;
16188 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16189 whiteNPS = second.nps;
16190 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16191 blackNPS = second.nps;
16192 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16194 StartClockTimer(intendedTickLength);
16201 long second, minute, hour, day;
16203 static char buf[32];
16205 if (ms > 0 && ms <= 9900) {
16206 /* convert milliseconds to tenths, rounding up */
16207 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16209 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16213 /* convert milliseconds to seconds, rounding up */
16214 /* use floating point to avoid strangeness of integer division
16215 with negative dividends on many machines */
16216 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16223 day = second / (60 * 60 * 24);
16224 second = second % (60 * 60 * 24);
16225 hour = second / (60 * 60);
16226 second = second % (60 * 60);
16227 minute = second / 60;
16228 second = second % 60;
16231 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16232 sign, day, hour, minute, second);
16234 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16236 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16243 * This is necessary because some C libraries aren't ANSI C compliant yet.
16246 StrStr(string, match)
16247 char *string, *match;
16251 length = strlen(match);
16253 for (i = strlen(string) - length; i >= 0; i--, string++)
16254 if (!strncmp(match, string, length))
16261 StrCaseStr(string, match)
16262 char *string, *match;
16266 length = strlen(match);
16268 for (i = strlen(string) - length; i >= 0; i--, string++) {
16269 for (j = 0; j < length; j++) {
16270 if (ToLower(match[j]) != ToLower(string[j]))
16273 if (j == length) return string;
16287 c1 = ToLower(*s1++);
16288 c2 = ToLower(*s2++);
16289 if (c1 > c2) return 1;
16290 if (c1 < c2) return -1;
16291 if (c1 == NULLCHAR) return 0;
16300 return isupper(c) ? tolower(c) : c;
16308 return islower(c) ? toupper(c) : c;
16310 #endif /* !_amigados */
16318 if ((ret = (char *) malloc(strlen(s) + 1)))
16320 safeStrCpy(ret, s, strlen(s)+1);
16326 StrSavePtr(s, savePtr)
16327 char *s, **savePtr;
16332 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16333 safeStrCpy(*savePtr, s, strlen(s)+1);
16345 clock = time((time_t *)NULL);
16346 tm = localtime(&clock);
16347 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16348 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16349 return StrSave(buf);
16354 PositionToFEN(move, overrideCastling)
16356 char *overrideCastling;
16358 int i, j, fromX, fromY, toX, toY;
16365 whiteToPlay = (gameMode == EditPosition) ?
16366 !blackPlaysFirst : (move % 2 == 0);
16369 /* Piece placement data */
16370 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16371 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16373 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16374 if (boards[move][i][j] == EmptySquare) {
16376 } else { ChessSquare piece = boards[move][i][j];
16377 if (emptycount > 0) {
16378 if(emptycount<10) /* [HGM] can be >= 10 */
16379 *p++ = '0' + emptycount;
16380 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16383 if(PieceToChar(piece) == '+') {
16384 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16386 piece = (ChessSquare)(DEMOTED piece);
16388 *p++ = PieceToChar(piece);
16390 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16391 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16396 if (emptycount > 0) {
16397 if(emptycount<10) /* [HGM] can be >= 10 */
16398 *p++ = '0' + emptycount;
16399 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16406 /* [HGM] print Crazyhouse or Shogi holdings */
16407 if( gameInfo.holdingsWidth ) {
16408 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16410 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16411 piece = boards[move][i][BOARD_WIDTH-1];
16412 if( piece != EmptySquare )
16413 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16414 *p++ = PieceToChar(piece);
16416 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16417 piece = boards[move][BOARD_HEIGHT-i-1][0];
16418 if( piece != EmptySquare )
16419 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16420 *p++ = PieceToChar(piece);
16423 if( q == p ) *p++ = '-';
16429 *p++ = whiteToPlay ? 'w' : 'b';
16432 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16433 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16435 if(nrCastlingRights) {
16437 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16438 /* [HGM] write directly from rights */
16439 if(boards[move][CASTLING][2] != NoRights &&
16440 boards[move][CASTLING][0] != NoRights )
16441 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16442 if(boards[move][CASTLING][2] != NoRights &&
16443 boards[move][CASTLING][1] != NoRights )
16444 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16445 if(boards[move][CASTLING][5] != NoRights &&
16446 boards[move][CASTLING][3] != NoRights )
16447 *p++ = boards[move][CASTLING][3] + AAA;
16448 if(boards[move][CASTLING][5] != NoRights &&
16449 boards[move][CASTLING][4] != NoRights )
16450 *p++ = boards[move][CASTLING][4] + AAA;
16453 /* [HGM] write true castling rights */
16454 if( nrCastlingRights == 6 ) {
16455 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16456 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16457 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16458 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16459 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16460 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16461 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16462 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16465 if (q == p) *p++ = '-'; /* No castling rights */
16469 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16470 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16471 /* En passant target square */
16472 if (move > backwardMostMove) {
16473 fromX = moveList[move - 1][0] - AAA;
16474 fromY = moveList[move - 1][1] - ONE;
16475 toX = moveList[move - 1][2] - AAA;
16476 toY = moveList[move - 1][3] - ONE;
16477 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16478 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16479 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16481 /* 2-square pawn move just happened */
16483 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16487 } else if(move == backwardMostMove) {
16488 // [HGM] perhaps we should always do it like this, and forget the above?
16489 if((signed char)boards[move][EP_STATUS] >= 0) {
16490 *p++ = boards[move][EP_STATUS] + AAA;
16491 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16502 /* [HGM] find reversible plies */
16503 { int i = 0, j=move;
16505 if (appData.debugMode) { int k;
16506 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16507 for(k=backwardMostMove; k<=forwardMostMove; k++)
16508 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16512 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16513 if( j == backwardMostMove ) i += initialRulePlies;
16514 sprintf(p, "%d ", i);
16515 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16517 /* Fullmove number */
16518 sprintf(p, "%d", (move / 2) + 1);
16520 return StrSave(buf);
16524 ParseFEN(board, blackPlaysFirst, fen)
16526 int *blackPlaysFirst;
16536 /* [HGM] by default clear Crazyhouse holdings, if present */
16537 if(gameInfo.holdingsWidth) {
16538 for(i=0; i<BOARD_HEIGHT; i++) {
16539 board[i][0] = EmptySquare; /* black holdings */
16540 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16541 board[i][1] = (ChessSquare) 0; /* black counts */
16542 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16546 /* Piece placement data */
16547 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16550 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16551 if (*p == '/') p++;
16552 emptycount = gameInfo.boardWidth - j;
16553 while (emptycount--)
16554 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16556 #if(BOARD_FILES >= 10)
16557 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16558 p++; emptycount=10;
16559 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16560 while (emptycount--)
16561 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16563 } else if (isdigit(*p)) {
16564 emptycount = *p++ - '0';
16565 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16566 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16567 while (emptycount--)
16568 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16569 } else if (*p == '+' || isalpha(*p)) {
16570 if (j >= gameInfo.boardWidth) return FALSE;
16572 piece = CharToPiece(*++p);
16573 if(piece == EmptySquare) return FALSE; /* unknown piece */
16574 piece = (ChessSquare) (PROMOTED piece ); p++;
16575 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16576 } else piece = CharToPiece(*p++);
16578 if(piece==EmptySquare) return FALSE; /* unknown piece */
16579 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16580 piece = (ChessSquare) (PROMOTED piece);
16581 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16584 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16590 while (*p == '/' || *p == ' ') p++;
16592 /* [HGM] look for Crazyhouse holdings here */
16593 while(*p==' ') p++;
16594 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16596 if(*p == '-' ) p++; /* empty holdings */ else {
16597 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16598 /* if we would allow FEN reading to set board size, we would */
16599 /* have to add holdings and shift the board read so far here */
16600 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16602 if((int) piece >= (int) BlackPawn ) {
16603 i = (int)piece - (int)BlackPawn;
16604 i = PieceToNumber((ChessSquare)i);
16605 if( i >= gameInfo.holdingsSize ) return FALSE;
16606 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16607 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16609 i = (int)piece - (int)WhitePawn;
16610 i = PieceToNumber((ChessSquare)i);
16611 if( i >= gameInfo.holdingsSize ) return FALSE;
16612 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16613 board[i][BOARD_WIDTH-2]++; /* black holdings */
16620 while(*p == ' ') p++;
16624 if(appData.colorNickNames) {
16625 if( c == appData.colorNickNames[0] ) c = 'w'; else
16626 if( c == appData.colorNickNames[1] ) c = 'b';
16630 *blackPlaysFirst = FALSE;
16633 *blackPlaysFirst = TRUE;
16639 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16640 /* return the extra info in global variiables */
16642 /* set defaults in case FEN is incomplete */
16643 board[EP_STATUS] = EP_UNKNOWN;
16644 for(i=0; i<nrCastlingRights; i++ ) {
16645 board[CASTLING][i] =
16646 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16647 } /* assume possible unless obviously impossible */
16648 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16649 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16650 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16651 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16652 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16653 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16654 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16655 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16658 while(*p==' ') p++;
16659 if(nrCastlingRights) {
16660 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16661 /* castling indicator present, so default becomes no castlings */
16662 for(i=0; i<nrCastlingRights; i++ ) {
16663 board[CASTLING][i] = NoRights;
16666 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16667 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16668 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16669 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16670 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16672 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16673 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16674 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16676 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16677 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16678 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16679 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16680 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16681 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16684 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16685 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16686 board[CASTLING][2] = whiteKingFile;
16689 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16690 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16691 board[CASTLING][2] = whiteKingFile;
16694 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16695 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16696 board[CASTLING][5] = blackKingFile;
16699 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16700 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16701 board[CASTLING][5] = blackKingFile;
16704 default: /* FRC castlings */
16705 if(c >= 'a') { /* black rights */
16706 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16707 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16708 if(i == BOARD_RGHT) break;
16709 board[CASTLING][5] = i;
16711 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16712 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16714 board[CASTLING][3] = c;
16716 board[CASTLING][4] = c;
16717 } else { /* white rights */
16718 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16719 if(board[0][i] == WhiteKing) break;
16720 if(i == BOARD_RGHT) break;
16721 board[CASTLING][2] = i;
16722 c -= AAA - 'a' + 'A';
16723 if(board[0][c] >= WhiteKing) break;
16725 board[CASTLING][0] = c;
16727 board[CASTLING][1] = c;
16731 for(i=0; i<nrCastlingRights; i++)
16732 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16733 if (appData.debugMode) {
16734 fprintf(debugFP, "FEN castling rights:");
16735 for(i=0; i<nrCastlingRights; i++)
16736 fprintf(debugFP, " %d", board[CASTLING][i]);
16737 fprintf(debugFP, "\n");
16740 while(*p==' ') p++;
16743 /* read e.p. field in games that know e.p. capture */
16744 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16745 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16747 p++; board[EP_STATUS] = EP_NONE;
16749 char c = *p++ - AAA;
16751 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16752 if(*p >= '0' && *p <='9') p++;
16753 board[EP_STATUS] = c;
16758 if(sscanf(p, "%d", &i) == 1) {
16759 FENrulePlies = i; /* 50-move ply counter */
16760 /* (The move number is still ignored) */
16767 EditPositionPasteFEN(char *fen)
16770 Board initial_position;
16772 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16773 DisplayError(_("Bad FEN position in clipboard"), 0);
16776 int savedBlackPlaysFirst = blackPlaysFirst;
16777 EditPositionEvent();
16778 blackPlaysFirst = savedBlackPlaysFirst;
16779 CopyBoard(boards[0], initial_position);
16780 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16781 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16782 DisplayBothClocks();
16783 DrawPosition(FALSE, boards[currentMove]);
16788 static char cseq[12] = "\\ ";
16790 Boolean set_cont_sequence(char *new_seq)
16795 // handle bad attempts to set the sequence
16797 return 0; // acceptable error - no debug
16799 len = strlen(new_seq);
16800 ret = (len > 0) && (len < sizeof(cseq));
16802 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16803 else if (appData.debugMode)
16804 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16809 reformat a source message so words don't cross the width boundary. internal
16810 newlines are not removed. returns the wrapped size (no null character unless
16811 included in source message). If dest is NULL, only calculate the size required
16812 for the dest buffer. lp argument indicats line position upon entry, and it's
16813 passed back upon exit.
16815 int wrap(char *dest, char *src, int count, int width, int *lp)
16817 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16819 cseq_len = strlen(cseq);
16820 old_line = line = *lp;
16821 ansi = len = clen = 0;
16823 for (i=0; i < count; i++)
16825 if (src[i] == '\033')
16828 // if we hit the width, back up
16829 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16831 // store i & len in case the word is too long
16832 old_i = i, old_len = len;
16834 // find the end of the last word
16835 while (i && src[i] != ' ' && src[i] != '\n')
16841 // word too long? restore i & len before splitting it
16842 if ((old_i-i+clen) >= width)
16849 if (i && src[i-1] == ' ')
16852 if (src[i] != ' ' && src[i] != '\n')
16859 // now append the newline and continuation sequence
16864 strncpy(dest+len, cseq, cseq_len);
16872 dest[len] = src[i];
16876 if (src[i] == '\n')
16881 if (dest && appData.debugMode)
16883 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16884 count, width, line, len, *lp);
16885 show_bytes(debugFP, src, count);
16886 fprintf(debugFP, "\ndest: ");
16887 show_bytes(debugFP, dest, len);
16888 fprintf(debugFP, "\n");
16890 *lp = dest ? line : old_line;
16895 // [HGM] vari: routines for shelving variations
16896 Boolean modeRestore = FALSE;
16899 PushInner(int firstMove, int lastMove)
16901 int i, j, nrMoves = lastMove - firstMove;
16903 // push current tail of game on stack
16904 savedResult[storedGames] = gameInfo.result;
16905 savedDetails[storedGames] = gameInfo.resultDetails;
16906 gameInfo.resultDetails = NULL;
16907 savedFirst[storedGames] = firstMove;
16908 savedLast [storedGames] = lastMove;
16909 savedFramePtr[storedGames] = framePtr;
16910 framePtr -= nrMoves; // reserve space for the boards
16911 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16912 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16913 for(j=0; j<MOVE_LEN; j++)
16914 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16915 for(j=0; j<2*MOVE_LEN; j++)
16916 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16917 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16918 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16919 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16920 pvInfoList[firstMove+i-1].depth = 0;
16921 commentList[framePtr+i] = commentList[firstMove+i];
16922 commentList[firstMove+i] = NULL;
16926 forwardMostMove = firstMove; // truncate game so we can start variation
16930 PushTail(int firstMove, int lastMove)
16932 if(appData.icsActive) { // only in local mode
16933 forwardMostMove = currentMove; // mimic old ICS behavior
16936 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16938 PushInner(firstMove, lastMove);
16939 if(storedGames == 1) GreyRevert(FALSE);
16940 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16944 PopInner(Boolean annotate)
16947 char buf[8000], moveBuf[20];
16949 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16950 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16951 nrMoves = savedLast[storedGames] - currentMove;
16954 if(!WhiteOnMove(currentMove))
16955 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16956 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16957 for(i=currentMove; i<forwardMostMove; i++) {
16959 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16960 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16961 strcat(buf, moveBuf);
16962 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16963 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16967 for(i=1; i<=nrMoves; i++) { // copy last variation back
16968 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16969 for(j=0; j<MOVE_LEN; j++)
16970 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16971 for(j=0; j<2*MOVE_LEN; j++)
16972 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16973 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16974 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16975 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16976 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16977 commentList[currentMove+i] = commentList[framePtr+i];
16978 commentList[framePtr+i] = NULL;
16980 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16981 framePtr = savedFramePtr[storedGames];
16982 gameInfo.result = savedResult[storedGames];
16983 if(gameInfo.resultDetails != NULL) {
16984 free(gameInfo.resultDetails);
16986 gameInfo.resultDetails = savedDetails[storedGames];
16987 forwardMostMove = currentMove + nrMoves;
16991 PopTail(Boolean annotate)
16993 if(appData.icsActive) return FALSE; // only in local mode
16994 if(!storedGames) return FALSE; // sanity
16995 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16997 PopInner(annotate);
16998 if(currentMove < forwardMostMove) ForwardEvent(); else
16999 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17001 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17007 { // remove all shelved variations
17009 for(i=0; i<storedGames; i++) {
17010 if(savedDetails[i])
17011 free(savedDetails[i]);
17012 savedDetails[i] = NULL;
17014 for(i=framePtr; i<MAX_MOVES; i++) {
17015 if(commentList[i]) free(commentList[i]);
17016 commentList[i] = NULL;
17018 framePtr = MAX_MOVES-1;
17023 LoadVariation(int index, char *text)
17024 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17025 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17026 int level = 0, move;
17028 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17029 // first find outermost bracketing variation
17030 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17031 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17032 if(*p == '{') wait = '}'; else
17033 if(*p == '[') wait = ']'; else
17034 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17035 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17037 if(*p == wait) wait = NULLCHAR; // closing ]} found
17040 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17041 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17042 end[1] = NULLCHAR; // clip off comment beyond variation
17043 ToNrEvent(currentMove-1);
17044 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17045 // kludge: use ParsePV() to append variation to game
17046 move = currentMove;
17047 ParsePV(start, TRUE, TRUE);
17048 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17049 ClearPremoveHighlights();
17051 ToNrEvent(currentMove+1);