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 && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8122 int dummy, s=6; char buf[MSG_SIZ];
8123 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8124 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8125 ParseFEN(boards[0], &dummy, message+s);
8126 DrawPosition(TRUE, boards[0]);
8127 startedFromSetupPosition = TRUE;
8130 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8131 * want this, I was asked to put it in, and obliged.
8133 if (!strncmp(message, "setboard ", 9)) {
8134 Board initial_position;
8136 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8138 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8139 DisplayError(_("Bad FEN received from engine"), 0);
8143 CopyBoard(boards[0], initial_position);
8144 initialRulePlies = FENrulePlies;
8145 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8146 else gameMode = MachinePlaysBlack;
8147 DrawPosition(FALSE, boards[currentMove]);
8153 * Look for communication commands
8155 if (!strncmp(message, "telluser ", 9)) {
8156 if(message[9] == '\\' && message[10] == '\\')
8157 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8159 DisplayNote(message + 9);
8162 if (!strncmp(message, "tellusererror ", 14)) {
8164 if(message[14] == '\\' && message[15] == '\\')
8165 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8167 DisplayError(message + 14, 0);
8170 if (!strncmp(message, "tellopponent ", 13)) {
8171 if (appData.icsActive) {
8173 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8177 DisplayNote(message + 13);
8181 if (!strncmp(message, "tellothers ", 11)) {
8182 if (appData.icsActive) {
8184 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8190 if (!strncmp(message, "tellall ", 8)) {
8191 if (appData.icsActive) {
8193 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8197 DisplayNote(message + 8);
8201 if (strncmp(message, "warning", 7) == 0) {
8202 /* Undocumented feature, use tellusererror in new code */
8203 DisplayError(message, 0);
8206 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8207 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8208 strcat(realname, " query");
8209 AskQuestion(realname, buf2, buf1, cps->pr);
8212 /* Commands from the engine directly to ICS. We don't allow these to be
8213 * sent until we are logged on. Crafty kibitzes have been known to
8214 * interfere with the login process.
8217 if (!strncmp(message, "tellics ", 8)) {
8218 SendToICS(message + 8);
8222 if (!strncmp(message, "tellicsnoalias ", 15)) {
8223 SendToICS(ics_prefix);
8224 SendToICS(message + 15);
8228 /* The following are for backward compatibility only */
8229 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8230 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8231 SendToICS(ics_prefix);
8237 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8241 * If the move is illegal, cancel it and redraw the board.
8242 * Also deal with other error cases. Matching is rather loose
8243 * here to accommodate engines written before the spec.
8245 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8246 strncmp(message, "Error", 5) == 0) {
8247 if (StrStr(message, "name") ||
8248 StrStr(message, "rating") || StrStr(message, "?") ||
8249 StrStr(message, "result") || StrStr(message, "board") ||
8250 StrStr(message, "bk") || StrStr(message, "computer") ||
8251 StrStr(message, "variant") || StrStr(message, "hint") ||
8252 StrStr(message, "random") || StrStr(message, "depth") ||
8253 StrStr(message, "accepted")) {
8256 if (StrStr(message, "protover")) {
8257 /* Program is responding to input, so it's apparently done
8258 initializing, and this error message indicates it is
8259 protocol version 1. So we don't need to wait any longer
8260 for it to initialize and send feature commands. */
8261 FeatureDone(cps, 1);
8262 cps->protocolVersion = 1;
8265 cps->maybeThinking = FALSE;
8267 if (StrStr(message, "draw")) {
8268 /* Program doesn't have "draw" command */
8269 cps->sendDrawOffers = 0;
8272 if (cps->sendTime != 1 &&
8273 (StrStr(message, "time") || StrStr(message, "otim"))) {
8274 /* Program apparently doesn't have "time" or "otim" command */
8278 if (StrStr(message, "analyze")) {
8279 cps->analysisSupport = FALSE;
8280 cps->analyzing = FALSE;
8281 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8282 EditGameEvent(); // [HGM] try to preserve loaded game
8283 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8284 DisplayError(buf2, 0);
8287 if (StrStr(message, "(no matching move)st")) {
8288 /* Special kludge for GNU Chess 4 only */
8289 cps->stKludge = TRUE;
8290 SendTimeControl(cps, movesPerSession, timeControl,
8291 timeIncrement, appData.searchDepth,
8295 if (StrStr(message, "(no matching move)sd")) {
8296 /* Special kludge for GNU Chess 4 only */
8297 cps->sdKludge = TRUE;
8298 SendTimeControl(cps, movesPerSession, timeControl,
8299 timeIncrement, appData.searchDepth,
8303 if (!StrStr(message, "llegal")) {
8306 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8307 gameMode == IcsIdle) return;
8308 if (forwardMostMove <= backwardMostMove) return;
8309 if (pausing) PauseEvent();
8310 if(appData.forceIllegal) {
8311 // [HGM] illegal: machine refused move; force position after move into it
8312 SendToProgram("force\n", cps);
8313 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8314 // we have a real problem now, as SendBoard will use the a2a3 kludge
8315 // when black is to move, while there might be nothing on a2 or black
8316 // might already have the move. So send the board as if white has the move.
8317 // But first we must change the stm of the engine, as it refused the last move
8318 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8319 if(WhiteOnMove(forwardMostMove)) {
8320 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8321 SendBoard(cps, forwardMostMove); // kludgeless board
8323 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8324 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8325 SendBoard(cps, forwardMostMove+1); // kludgeless board
8327 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8328 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8329 gameMode == TwoMachinesPlay)
8330 SendToProgram("go\n", cps);
8333 if (gameMode == PlayFromGameFile) {
8334 /* Stop reading this game file */
8335 gameMode = EditGame;
8338 /* [HGM] illegal-move claim should forfeit game when Xboard */
8339 /* only passes fully legal moves */
8340 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8341 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8342 "False illegal-move claim", GE_XBOARD );
8343 return; // do not take back move we tested as valid
8345 currentMove = forwardMostMove-1;
8346 DisplayMove(currentMove-1); /* before DisplayMoveError */
8347 SwitchClocks(forwardMostMove-1); // [HGM] race
8348 DisplayBothClocks();
8349 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8350 parseList[currentMove], _(cps->which));
8351 DisplayMoveError(buf1);
8352 DrawPosition(FALSE, boards[currentMove]);
8355 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8356 /* Program has a broken "time" command that
8357 outputs a string not ending in newline.
8363 * If chess program startup fails, exit with an error message.
8364 * Attempts to recover here are futile.
8366 if ((StrStr(message, "unknown host") != NULL)
8367 || (StrStr(message, "No remote directory") != NULL)
8368 || (StrStr(message, "not found") != NULL)
8369 || (StrStr(message, "No such file") != NULL)
8370 || (StrStr(message, "can't alloc") != NULL)
8371 || (StrStr(message, "Permission denied") != NULL)) {
8373 cps->maybeThinking = FALSE;
8374 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8375 _(cps->which), cps->program, cps->host, message);
8376 RemoveInputSource(cps->isr);
8377 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8378 if(cps == &first) appData.noChessProgram = TRUE;
8379 DisplayError(buf1, 0);
8385 * Look for hint output
8387 if (sscanf(message, "Hint: %s", buf1) == 1) {
8388 if (cps == &first && hintRequested) {
8389 hintRequested = FALSE;
8390 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8391 &fromX, &fromY, &toX, &toY, &promoChar)) {
8392 (void) CoordsToAlgebraic(boards[forwardMostMove],
8393 PosFlags(forwardMostMove),
8394 fromY, fromX, toY, toX, promoChar, buf1);
8395 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8396 DisplayInformation(buf2);
8398 /* Hint move could not be parsed!? */
8399 snprintf(buf2, sizeof(buf2),
8400 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8401 buf1, _(cps->which));
8402 DisplayError(buf2, 0);
8405 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8411 * Ignore other messages if game is not in progress
8413 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8414 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8417 * look for win, lose, draw, or draw offer
8419 if (strncmp(message, "1-0", 3) == 0) {
8420 char *p, *q, *r = "";
8421 p = strchr(message, '{');
8429 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8431 } else if (strncmp(message, "0-1", 3) == 0) {
8432 char *p, *q, *r = "";
8433 p = strchr(message, '{');
8441 /* Kludge for Arasan 4.1 bug */
8442 if (strcmp(r, "Black resigns") == 0) {
8443 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8446 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8448 } else if (strncmp(message, "1/2", 3) == 0) {
8449 char *p, *q, *r = "";
8450 p = strchr(message, '{');
8459 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8462 } else if (strncmp(message, "White resign", 12) == 0) {
8463 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8465 } else if (strncmp(message, "Black resign", 12) == 0) {
8466 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8468 } else if (strncmp(message, "White matches", 13) == 0 ||
8469 strncmp(message, "Black matches", 13) == 0 ) {
8470 /* [HGM] ignore GNUShogi noises */
8472 } else if (strncmp(message, "White", 5) == 0 &&
8473 message[5] != '(' &&
8474 StrStr(message, "Black") == NULL) {
8475 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8477 } else if (strncmp(message, "Black", 5) == 0 &&
8478 message[5] != '(') {
8479 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8481 } else if (strcmp(message, "resign") == 0 ||
8482 strcmp(message, "computer resigns") == 0) {
8484 case MachinePlaysBlack:
8485 case IcsPlayingBlack:
8486 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8488 case MachinePlaysWhite:
8489 case IcsPlayingWhite:
8490 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8492 case TwoMachinesPlay:
8493 if (cps->twoMachinesColor[0] == 'w')
8494 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8496 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8503 } else if (strncmp(message, "opponent mates", 14) == 0) {
8505 case MachinePlaysBlack:
8506 case IcsPlayingBlack:
8507 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8509 case MachinePlaysWhite:
8510 case IcsPlayingWhite:
8511 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8513 case TwoMachinesPlay:
8514 if (cps->twoMachinesColor[0] == 'w')
8515 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8517 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8524 } else if (strncmp(message, "computer mates", 14) == 0) {
8526 case MachinePlaysBlack:
8527 case IcsPlayingBlack:
8528 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8530 case MachinePlaysWhite:
8531 case IcsPlayingWhite:
8532 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8534 case TwoMachinesPlay:
8535 if (cps->twoMachinesColor[0] == 'w')
8536 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8538 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8545 } else if (strncmp(message, "checkmate", 9) == 0) {
8546 if (WhiteOnMove(forwardMostMove)) {
8547 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8549 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8552 } else if (strstr(message, "Draw") != NULL ||
8553 strstr(message, "game is a draw") != NULL) {
8554 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8556 } else if (strstr(message, "offer") != NULL &&
8557 strstr(message, "draw") != NULL) {
8559 if (appData.zippyPlay && first.initDone) {
8560 /* Relay offer to ICS */
8561 SendToICS(ics_prefix);
8562 SendToICS("draw\n");
8565 cps->offeredDraw = 2; /* valid until this engine moves twice */
8566 if (gameMode == TwoMachinesPlay) {
8567 if (cps->other->offeredDraw) {
8568 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8569 /* [HGM] in two-machine mode we delay relaying draw offer */
8570 /* until after we also have move, to see if it is really claim */
8572 } else if (gameMode == MachinePlaysWhite ||
8573 gameMode == MachinePlaysBlack) {
8574 if (userOfferedDraw) {
8575 DisplayInformation(_("Machine accepts your draw offer"));
8576 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8578 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8585 * Look for thinking output
8587 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8588 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8590 int plylev, mvleft, mvtot, curscore, time;
8591 char mvname[MOVE_LEN];
8595 int prefixHint = FALSE;
8596 mvname[0] = NULLCHAR;
8599 case MachinePlaysBlack:
8600 case IcsPlayingBlack:
8601 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8603 case MachinePlaysWhite:
8604 case IcsPlayingWhite:
8605 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8610 case IcsObserving: /* [DM] icsEngineAnalyze */
8611 if (!appData.icsEngineAnalyze) ignore = TRUE;
8613 case TwoMachinesPlay:
8614 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8624 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8626 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8627 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8629 if (plyext != ' ' && plyext != '\t') {
8633 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8634 if( cps->scoreIsAbsolute &&
8635 ( gameMode == MachinePlaysBlack ||
8636 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8637 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8638 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8639 !WhiteOnMove(currentMove)
8642 curscore = -curscore;
8645 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8647 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8650 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8651 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8652 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8653 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8654 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8655 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8657 } else DisplayError("failed writing PV", 0);
8660 tempStats.depth = plylev;
8661 tempStats.nodes = nodes;
8662 tempStats.time = time;
8663 tempStats.score = curscore;
8664 tempStats.got_only_move = 0;
8666 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8669 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8670 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8671 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8672 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8673 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8674 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8675 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8676 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8679 /* Buffer overflow protection */
8680 if (pv[0] != NULLCHAR) {
8681 if (strlen(pv) >= sizeof(tempStats.movelist)
8682 && appData.debugMode) {
8684 "PV is too long; using the first %u bytes.\n",
8685 (unsigned) sizeof(tempStats.movelist) - 1);
8688 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8690 sprintf(tempStats.movelist, " no PV\n");
8693 if (tempStats.seen_stat) {
8694 tempStats.ok_to_send = 1;
8697 if (strchr(tempStats.movelist, '(') != NULL) {
8698 tempStats.line_is_book = 1;
8699 tempStats.nr_moves = 0;
8700 tempStats.moves_left = 0;
8702 tempStats.line_is_book = 0;
8705 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8706 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8708 SendProgramStatsToFrontend( cps, &tempStats );
8711 [AS] Protect the thinkOutput buffer from overflow... this
8712 is only useful if buf1 hasn't overflowed first!
8714 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8716 (gameMode == TwoMachinesPlay ?
8717 ToUpper(cps->twoMachinesColor[0]) : ' '),
8718 ((double) curscore) / 100.0,
8719 prefixHint ? lastHint : "",
8720 prefixHint ? " " : "" );
8722 if( buf1[0] != NULLCHAR ) {
8723 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8725 if( strlen(pv) > max_len ) {
8726 if( appData.debugMode) {
8727 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8729 pv[max_len+1] = '\0';
8732 strcat( thinkOutput, pv);
8735 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8736 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8737 DisplayMove(currentMove - 1);
8741 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8742 /* crafty (9.25+) says "(only move) <move>"
8743 * if there is only 1 legal move
8745 sscanf(p, "(only move) %s", buf1);
8746 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8747 sprintf(programStats.movelist, "%s (only move)", buf1);
8748 programStats.depth = 1;
8749 programStats.nr_moves = 1;
8750 programStats.moves_left = 1;
8751 programStats.nodes = 1;
8752 programStats.time = 1;
8753 programStats.got_only_move = 1;
8755 /* Not really, but we also use this member to
8756 mean "line isn't going to change" (Crafty
8757 isn't searching, so stats won't change) */
8758 programStats.line_is_book = 1;
8760 SendProgramStatsToFrontend( cps, &programStats );
8762 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8763 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8764 DisplayMove(currentMove - 1);
8767 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8768 &time, &nodes, &plylev, &mvleft,
8769 &mvtot, mvname) >= 5) {
8770 /* The stat01: line is from Crafty (9.29+) in response
8771 to the "." command */
8772 programStats.seen_stat = 1;
8773 cps->maybeThinking = TRUE;
8775 if (programStats.got_only_move || !appData.periodicUpdates)
8778 programStats.depth = plylev;
8779 programStats.time = time;
8780 programStats.nodes = nodes;
8781 programStats.moves_left = mvleft;
8782 programStats.nr_moves = mvtot;
8783 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8784 programStats.ok_to_send = 1;
8785 programStats.movelist[0] = '\0';
8787 SendProgramStatsToFrontend( cps, &programStats );
8791 } else if (strncmp(message,"++",2) == 0) {
8792 /* Crafty 9.29+ outputs this */
8793 programStats.got_fail = 2;
8796 } else if (strncmp(message,"--",2) == 0) {
8797 /* Crafty 9.29+ outputs this */
8798 programStats.got_fail = 1;
8801 } else if (thinkOutput[0] != NULLCHAR &&
8802 strncmp(message, " ", 4) == 0) {
8803 unsigned message_len;
8806 while (*p && *p == ' ') p++;
8808 message_len = strlen( p );
8810 /* [AS] Avoid buffer overflow */
8811 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8812 strcat(thinkOutput, " ");
8813 strcat(thinkOutput, p);
8816 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8817 strcat(programStats.movelist, " ");
8818 strcat(programStats.movelist, p);
8821 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8822 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8823 DisplayMove(currentMove - 1);
8831 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8832 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8834 ChessProgramStats cpstats;
8836 if (plyext != ' ' && plyext != '\t') {
8840 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8841 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8842 curscore = -curscore;
8845 cpstats.depth = plylev;
8846 cpstats.nodes = nodes;
8847 cpstats.time = time;
8848 cpstats.score = curscore;
8849 cpstats.got_only_move = 0;
8850 cpstats.movelist[0] = '\0';
8852 if (buf1[0] != NULLCHAR) {
8853 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8856 cpstats.ok_to_send = 0;
8857 cpstats.line_is_book = 0;
8858 cpstats.nr_moves = 0;
8859 cpstats.moves_left = 0;
8861 SendProgramStatsToFrontend( cps, &cpstats );
8868 /* Parse a game score from the character string "game", and
8869 record it as the history of the current game. The game
8870 score is NOT assumed to start from the standard position.
8871 The display is not updated in any way.
8874 ParseGameHistory(game)
8878 int fromX, fromY, toX, toY, boardIndex;
8883 if (appData.debugMode)
8884 fprintf(debugFP, "Parsing game history: %s\n", game);
8886 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8887 gameInfo.site = StrSave(appData.icsHost);
8888 gameInfo.date = PGNDate();
8889 gameInfo.round = StrSave("-");
8891 /* Parse out names of players */
8892 while (*game == ' ') game++;
8894 while (*game != ' ') *p++ = *game++;
8896 gameInfo.white = StrSave(buf);
8897 while (*game == ' ') game++;
8899 while (*game != ' ' && *game != '\n') *p++ = *game++;
8901 gameInfo.black = StrSave(buf);
8904 boardIndex = blackPlaysFirst ? 1 : 0;
8907 yyboardindex = boardIndex;
8908 moveType = (ChessMove) Myylex();
8910 case IllegalMove: /* maybe suicide chess, etc. */
8911 if (appData.debugMode) {
8912 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8913 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8914 setbuf(debugFP, NULL);
8916 case WhitePromotion:
8917 case BlackPromotion:
8918 case WhiteNonPromotion:
8919 case BlackNonPromotion:
8921 case WhiteCapturesEnPassant:
8922 case BlackCapturesEnPassant:
8923 case WhiteKingSideCastle:
8924 case WhiteQueenSideCastle:
8925 case BlackKingSideCastle:
8926 case BlackQueenSideCastle:
8927 case WhiteKingSideCastleWild:
8928 case WhiteQueenSideCastleWild:
8929 case BlackKingSideCastleWild:
8930 case BlackQueenSideCastleWild:
8932 case WhiteHSideCastleFR:
8933 case WhiteASideCastleFR:
8934 case BlackHSideCastleFR:
8935 case BlackASideCastleFR:
8937 fromX = currentMoveString[0] - AAA;
8938 fromY = currentMoveString[1] - ONE;
8939 toX = currentMoveString[2] - AAA;
8940 toY = currentMoveString[3] - ONE;
8941 promoChar = currentMoveString[4];
8945 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8946 fromX = moveType == WhiteDrop ?
8947 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8948 (int) CharToPiece(ToLower(currentMoveString[0]));
8950 toX = currentMoveString[2] - AAA;
8951 toY = currentMoveString[3] - ONE;
8952 promoChar = NULLCHAR;
8956 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8957 if (appData.debugMode) {
8958 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8959 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8960 setbuf(debugFP, NULL);
8962 DisplayError(buf, 0);
8964 case ImpossibleMove:
8966 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8967 if (appData.debugMode) {
8968 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8969 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8970 setbuf(debugFP, NULL);
8972 DisplayError(buf, 0);
8975 if (boardIndex < backwardMostMove) {
8976 /* Oops, gap. How did that happen? */
8977 DisplayError(_("Gap in move list"), 0);
8980 backwardMostMove = blackPlaysFirst ? 1 : 0;
8981 if (boardIndex > forwardMostMove) {
8982 forwardMostMove = boardIndex;
8986 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8987 strcat(parseList[boardIndex-1], " ");
8988 strcat(parseList[boardIndex-1], yy_text);
9000 case GameUnfinished:
9001 if (gameMode == IcsExamining) {
9002 if (boardIndex < backwardMostMove) {
9003 /* Oops, gap. How did that happen? */
9006 backwardMostMove = blackPlaysFirst ? 1 : 0;
9009 gameInfo.result = moveType;
9010 p = strchr(yy_text, '{');
9011 if (p == NULL) p = strchr(yy_text, '(');
9014 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9016 q = strchr(p, *p == '{' ? '}' : ')');
9017 if (q != NULL) *q = NULLCHAR;
9020 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9021 gameInfo.resultDetails = StrSave(p);
9024 if (boardIndex >= forwardMostMove &&
9025 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9026 backwardMostMove = blackPlaysFirst ? 1 : 0;
9029 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9030 fromY, fromX, toY, toX, promoChar,
9031 parseList[boardIndex]);
9032 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9033 /* currentMoveString is set as a side-effect of yylex */
9034 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9035 strcat(moveList[boardIndex], "\n");
9037 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9038 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9044 if(gameInfo.variant != VariantShogi)
9045 strcat(parseList[boardIndex - 1], "+");
9049 strcat(parseList[boardIndex - 1], "#");
9056 /* Apply a move to the given board */
9058 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9059 int fromX, fromY, toX, toY;
9063 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9064 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9066 /* [HGM] compute & store e.p. status and castling rights for new position */
9067 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9069 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9070 oldEP = (signed char)board[EP_STATUS];
9071 board[EP_STATUS] = EP_NONE;
9073 if (fromY == DROP_RANK) {
9075 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9076 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9079 piece = board[toY][toX] = (ChessSquare) fromX;
9083 if( board[toY][toX] != EmptySquare )
9084 board[EP_STATUS] = EP_CAPTURE;
9086 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9087 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9088 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9090 if( board[fromY][fromX] == WhitePawn ) {
9091 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9092 board[EP_STATUS] = EP_PAWN_MOVE;
9094 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9095 gameInfo.variant != VariantBerolina || toX < fromX)
9096 board[EP_STATUS] = toX | berolina;
9097 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9098 gameInfo.variant != VariantBerolina || toX > fromX)
9099 board[EP_STATUS] = toX;
9102 if( board[fromY][fromX] == BlackPawn ) {
9103 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9104 board[EP_STATUS] = EP_PAWN_MOVE;
9105 if( toY-fromY== -2) {
9106 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9107 gameInfo.variant != VariantBerolina || toX < fromX)
9108 board[EP_STATUS] = toX | berolina;
9109 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9110 gameInfo.variant != VariantBerolina || toX > fromX)
9111 board[EP_STATUS] = toX;
9115 for(i=0; i<nrCastlingRights; i++) {
9116 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9117 board[CASTLING][i] == toX && castlingRank[i] == toY
9118 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9121 if (fromX == toX && fromY == toY) return;
9123 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9124 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9125 if(gameInfo.variant == VariantKnightmate)
9126 king += (int) WhiteUnicorn - (int) WhiteKing;
9128 /* Code added by Tord: */
9129 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9130 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9131 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9132 board[fromY][fromX] = EmptySquare;
9133 board[toY][toX] = EmptySquare;
9134 if((toX > fromX) != (piece == WhiteRook)) {
9135 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9137 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9139 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9140 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9141 board[fromY][fromX] = EmptySquare;
9142 board[toY][toX] = EmptySquare;
9143 if((toX > fromX) != (piece == BlackRook)) {
9144 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9146 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9148 /* End of code added by Tord */
9150 } else if (board[fromY][fromX] == king
9151 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9152 && toY == fromY && toX > fromX+1) {
9153 board[fromY][fromX] = EmptySquare;
9154 board[toY][toX] = king;
9155 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9156 board[fromY][BOARD_RGHT-1] = EmptySquare;
9157 } else if (board[fromY][fromX] == king
9158 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9159 && toY == fromY && toX < fromX-1) {
9160 board[fromY][fromX] = EmptySquare;
9161 board[toY][toX] = king;
9162 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9163 board[fromY][BOARD_LEFT] = EmptySquare;
9164 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9165 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9166 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9168 /* white pawn promotion */
9169 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9170 if(gameInfo.variant==VariantBughouse ||
9171 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9172 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9173 board[fromY][fromX] = EmptySquare;
9174 } else if ((fromY >= BOARD_HEIGHT>>1)
9176 && gameInfo.variant != VariantXiangqi
9177 && gameInfo.variant != VariantBerolina
9178 && (board[fromY][fromX] == WhitePawn)
9179 && (board[toY][toX] == EmptySquare)) {
9180 board[fromY][fromX] = EmptySquare;
9181 board[toY][toX] = WhitePawn;
9182 captured = board[toY - 1][toX];
9183 board[toY - 1][toX] = EmptySquare;
9184 } else if ((fromY == BOARD_HEIGHT-4)
9186 && gameInfo.variant == VariantBerolina
9187 && (board[fromY][fromX] == WhitePawn)
9188 && (board[toY][toX] == EmptySquare)) {
9189 board[fromY][fromX] = EmptySquare;
9190 board[toY][toX] = WhitePawn;
9191 if(oldEP & EP_BEROLIN_A) {
9192 captured = board[fromY][fromX-1];
9193 board[fromY][fromX-1] = EmptySquare;
9194 }else{ captured = board[fromY][fromX+1];
9195 board[fromY][fromX+1] = EmptySquare;
9197 } else if (board[fromY][fromX] == king
9198 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9199 && toY == fromY && toX > fromX+1) {
9200 board[fromY][fromX] = EmptySquare;
9201 board[toY][toX] = king;
9202 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9203 board[fromY][BOARD_RGHT-1] = EmptySquare;
9204 } else if (board[fromY][fromX] == king
9205 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9206 && toY == fromY && toX < fromX-1) {
9207 board[fromY][fromX] = EmptySquare;
9208 board[toY][toX] = king;
9209 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9210 board[fromY][BOARD_LEFT] = EmptySquare;
9211 } else if (fromY == 7 && fromX == 3
9212 && board[fromY][fromX] == BlackKing
9213 && toY == 7 && toX == 5) {
9214 board[fromY][fromX] = EmptySquare;
9215 board[toY][toX] = BlackKing;
9216 board[fromY][7] = EmptySquare;
9217 board[toY][4] = BlackRook;
9218 } else if (fromY == 7 && fromX == 3
9219 && board[fromY][fromX] == BlackKing
9220 && toY == 7 && toX == 1) {
9221 board[fromY][fromX] = EmptySquare;
9222 board[toY][toX] = BlackKing;
9223 board[fromY][0] = EmptySquare;
9224 board[toY][2] = BlackRook;
9225 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9226 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9227 && toY < promoRank && promoChar
9229 /* black pawn promotion */
9230 board[toY][toX] = CharToPiece(ToLower(promoChar));
9231 if(gameInfo.variant==VariantBughouse ||
9232 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9233 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9234 board[fromY][fromX] = EmptySquare;
9235 } else if ((fromY < BOARD_HEIGHT>>1)
9237 && gameInfo.variant != VariantXiangqi
9238 && gameInfo.variant != VariantBerolina
9239 && (board[fromY][fromX] == BlackPawn)
9240 && (board[toY][toX] == EmptySquare)) {
9241 board[fromY][fromX] = EmptySquare;
9242 board[toY][toX] = BlackPawn;
9243 captured = board[toY + 1][toX];
9244 board[toY + 1][toX] = EmptySquare;
9245 } else if ((fromY == 3)
9247 && gameInfo.variant == VariantBerolina
9248 && (board[fromY][fromX] == BlackPawn)
9249 && (board[toY][toX] == EmptySquare)) {
9250 board[fromY][fromX] = EmptySquare;
9251 board[toY][toX] = BlackPawn;
9252 if(oldEP & EP_BEROLIN_A) {
9253 captured = board[fromY][fromX-1];
9254 board[fromY][fromX-1] = EmptySquare;
9255 }else{ captured = board[fromY][fromX+1];
9256 board[fromY][fromX+1] = EmptySquare;
9259 board[toY][toX] = board[fromY][fromX];
9260 board[fromY][fromX] = EmptySquare;
9264 if (gameInfo.holdingsWidth != 0) {
9266 /* !!A lot more code needs to be written to support holdings */
9267 /* [HGM] OK, so I have written it. Holdings are stored in the */
9268 /* penultimate board files, so they are automaticlly stored */
9269 /* in the game history. */
9270 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9271 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9272 /* Delete from holdings, by decreasing count */
9273 /* and erasing image if necessary */
9274 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9275 if(p < (int) BlackPawn) { /* white drop */
9276 p -= (int)WhitePawn;
9277 p = PieceToNumber((ChessSquare)p);
9278 if(p >= gameInfo.holdingsSize) p = 0;
9279 if(--board[p][BOARD_WIDTH-2] <= 0)
9280 board[p][BOARD_WIDTH-1] = EmptySquare;
9281 if((int)board[p][BOARD_WIDTH-2] < 0)
9282 board[p][BOARD_WIDTH-2] = 0;
9283 } else { /* black drop */
9284 p -= (int)BlackPawn;
9285 p = PieceToNumber((ChessSquare)p);
9286 if(p >= gameInfo.holdingsSize) p = 0;
9287 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9288 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9289 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9290 board[BOARD_HEIGHT-1-p][1] = 0;
9293 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9294 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9295 /* [HGM] holdings: Add to holdings, if holdings exist */
9296 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9297 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9298 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9301 if (p >= (int) BlackPawn) {
9302 p -= (int)BlackPawn;
9303 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9304 /* in Shogi restore piece to its original first */
9305 captured = (ChessSquare) (DEMOTED captured);
9308 p = PieceToNumber((ChessSquare)p);
9309 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9310 board[p][BOARD_WIDTH-2]++;
9311 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9313 p -= (int)WhitePawn;
9314 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9315 captured = (ChessSquare) (DEMOTED captured);
9318 p = PieceToNumber((ChessSquare)p);
9319 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9320 board[BOARD_HEIGHT-1-p][1]++;
9321 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9324 } else if (gameInfo.variant == VariantAtomic) {
9325 if (captured != EmptySquare) {
9327 for (y = toY-1; y <= toY+1; y++) {
9328 for (x = toX-1; x <= toX+1; x++) {
9329 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9330 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9331 board[y][x] = EmptySquare;
9335 board[toY][toX] = EmptySquare;
9338 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9339 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9341 if(promoChar == '+') {
9342 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9343 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9344 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9345 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9347 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9348 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9349 // [HGM] superchess: take promotion piece out of holdings
9350 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9351 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9352 if(!--board[k][BOARD_WIDTH-2])
9353 board[k][BOARD_WIDTH-1] = EmptySquare;
9355 if(!--board[BOARD_HEIGHT-1-k][1])
9356 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9362 /* Updates forwardMostMove */
9364 MakeMove(fromX, fromY, toX, toY, promoChar)
9365 int fromX, fromY, toX, toY;
9368 // forwardMostMove++; // [HGM] bare: moved downstream
9370 (void) CoordsToAlgebraic(boards[forwardMostMove],
9371 PosFlags(forwardMostMove),
9372 fromY, fromX, toY, toX, promoChar,
9373 parseList[forwardMostMove]);
9375 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9376 int timeLeft; static int lastLoadFlag=0; int king, piece;
9377 piece = boards[forwardMostMove][fromY][fromX];
9378 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9379 if(gameInfo.variant == VariantKnightmate)
9380 king += (int) WhiteUnicorn - (int) WhiteKing;
9381 if(forwardMostMove == 0) {
9382 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9383 fprintf(serverMoves, "%s;", UserName());
9384 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9385 fprintf(serverMoves, "%s;", second.tidy);
9386 fprintf(serverMoves, "%s;", first.tidy);
9387 if(gameMode == MachinePlaysWhite)
9388 fprintf(serverMoves, "%s;", UserName());
9389 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9390 fprintf(serverMoves, "%s;", second.tidy);
9391 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9392 lastLoadFlag = loadFlag;
9394 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9395 // print castling suffix
9396 if( toY == fromY && piece == king ) {
9398 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9400 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9403 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9404 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9405 boards[forwardMostMove][toY][toX] == EmptySquare
9406 && fromX != toX && fromY != toY)
9407 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9409 if(promoChar != NULLCHAR)
9410 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9412 char buf[MOVE_LEN*2], *p; int len;
9413 fprintf(serverMoves, "/%d/%d",
9414 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9415 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9416 else timeLeft = blackTimeRemaining/1000;
9417 fprintf(serverMoves, "/%d", timeLeft);
9418 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9419 if(p = strchr(buf, '=')) *p = NULLCHAR;
9420 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9421 fprintf(serverMoves, "/%s", buf);
9423 fflush(serverMoves);
9426 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9427 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9430 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9431 if (commentList[forwardMostMove+1] != NULL) {
9432 free(commentList[forwardMostMove+1]);
9433 commentList[forwardMostMove+1] = NULL;
9435 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9436 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9437 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9438 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9439 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9440 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9441 adjustedClock = FALSE;
9442 gameInfo.result = GameUnfinished;
9443 if (gameInfo.resultDetails != NULL) {
9444 free(gameInfo.resultDetails);
9445 gameInfo.resultDetails = NULL;
9447 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9448 moveList[forwardMostMove - 1]);
9449 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9455 if(gameInfo.variant != VariantShogi)
9456 strcat(parseList[forwardMostMove - 1], "+");
9460 strcat(parseList[forwardMostMove - 1], "#");
9463 if (appData.debugMode) {
9464 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9469 /* Updates currentMove if not pausing */
9471 ShowMove(fromX, fromY, toX, toY)
9473 int instant = (gameMode == PlayFromGameFile) ?
9474 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9475 if(appData.noGUI) return;
9476 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9478 if (forwardMostMove == currentMove + 1) {
9479 AnimateMove(boards[forwardMostMove - 1],
9480 fromX, fromY, toX, toY);
9482 if (appData.highlightLastMove) {
9483 SetHighlights(fromX, fromY, toX, toY);
9486 currentMove = forwardMostMove;
9489 if (instant) return;
9491 DisplayMove(currentMove - 1);
9492 DrawPosition(FALSE, boards[currentMove]);
9493 DisplayBothClocks();
9494 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9497 void SendEgtPath(ChessProgramState *cps)
9498 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9499 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9501 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9504 char c, *q = name+1, *r, *s;
9506 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9507 while(*p && *p != ',') *q++ = *p++;
9509 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9510 strcmp(name, ",nalimov:") == 0 ) {
9511 // take nalimov path from the menu-changeable option first, if it is defined
9512 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9513 SendToProgram(buf,cps); // send egtbpath command for nalimov
9515 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9516 (s = StrStr(appData.egtFormats, name)) != NULL) {
9517 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9518 s = r = StrStr(s, ":") + 1; // beginning of path info
9519 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9520 c = *r; *r = 0; // temporarily null-terminate path info
9521 *--q = 0; // strip of trailig ':' from name
9522 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9524 SendToProgram(buf,cps); // send egtbpath command for this format
9526 if(*p == ',') p++; // read away comma to position for next format name
9531 InitChessProgram(cps, setup)
9532 ChessProgramState *cps;
9533 int setup; /* [HGM] needed to setup FRC opening position */
9535 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9536 if (appData.noChessProgram) return;
9537 hintRequested = FALSE;
9538 bookRequested = FALSE;
9540 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9541 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9542 if(cps->memSize) { /* [HGM] memory */
9543 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9544 SendToProgram(buf, cps);
9546 SendEgtPath(cps); /* [HGM] EGT */
9547 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9548 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9549 SendToProgram(buf, cps);
9552 SendToProgram(cps->initString, cps);
9553 if (gameInfo.variant != VariantNormal &&
9554 gameInfo.variant != VariantLoadable
9555 /* [HGM] also send variant if board size non-standard */
9556 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9558 char *v = VariantName(gameInfo.variant);
9559 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9560 /* [HGM] in protocol 1 we have to assume all variants valid */
9561 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9562 DisplayFatalError(buf, 0, 1);
9566 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9567 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9568 if( gameInfo.variant == VariantXiangqi )
9569 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9570 if( gameInfo.variant == VariantShogi )
9571 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9572 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9573 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9574 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9575 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9576 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9577 if( gameInfo.variant == VariantCourier )
9578 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9579 if( gameInfo.variant == VariantSuper )
9580 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9581 if( gameInfo.variant == VariantGreat )
9582 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9583 if( gameInfo.variant == VariantSChess )
9584 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9585 if( gameInfo.variant == VariantGrand )
9586 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9589 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9590 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9591 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9592 if(StrStr(cps->variants, b) == NULL) {
9593 // specific sized variant not known, check if general sizing allowed
9594 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9595 if(StrStr(cps->variants, "boardsize") == NULL) {
9596 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9597 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9598 DisplayFatalError(buf, 0, 1);
9601 /* [HGM] here we really should compare with the maximum supported board size */
9604 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9605 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9606 SendToProgram(buf, cps);
9608 currentlyInitializedVariant = gameInfo.variant;
9610 /* [HGM] send opening position in FRC to first engine */
9612 SendToProgram("force\n", cps);
9614 /* engine is now in force mode! Set flag to wake it up after first move. */
9615 setboardSpoiledMachineBlack = 1;
9619 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9620 SendToProgram(buf, cps);
9622 cps->maybeThinking = FALSE;
9623 cps->offeredDraw = 0;
9624 if (!appData.icsActive) {
9625 SendTimeControl(cps, movesPerSession, timeControl,
9626 timeIncrement, appData.searchDepth,
9629 if (appData.showThinking
9630 // [HGM] thinking: four options require thinking output to be sent
9631 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9633 SendToProgram("post\n", cps);
9635 SendToProgram("hard\n", cps);
9636 if (!appData.ponderNextMove) {
9637 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9638 it without being sure what state we are in first. "hard"
9639 is not a toggle, so that one is OK.
9641 SendToProgram("easy\n", cps);
9644 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9645 SendToProgram(buf, cps);
9647 cps->initDone = TRUE;
9648 ClearEngineOutputPane(cps == &second);
9653 StartChessProgram(cps)
9654 ChessProgramState *cps;
9659 if (appData.noChessProgram) return;
9660 cps->initDone = FALSE;
9662 if (strcmp(cps->host, "localhost") == 0) {
9663 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9664 } else if (*appData.remoteShell == NULLCHAR) {
9665 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9667 if (*appData.remoteUser == NULLCHAR) {
9668 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9671 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9672 cps->host, appData.remoteUser, cps->program);
9674 err = StartChildProcess(buf, "", &cps->pr);
9678 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9679 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9680 if(cps != &first) return;
9681 appData.noChessProgram = TRUE;
9684 // DisplayFatalError(buf, err, 1);
9685 // cps->pr = NoProc;
9690 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9691 if (cps->protocolVersion > 1) {
9692 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9693 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9694 cps->comboCnt = 0; // and values of combo boxes
9695 SendToProgram(buf, cps);
9697 SendToProgram("xboard\n", cps);
9702 TwoMachinesEventIfReady P((void))
9704 static int curMess = 0;
9705 if (first.lastPing != first.lastPong) {
9706 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9707 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9710 if (second.lastPing != second.lastPong) {
9711 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9712 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9715 DisplayMessage("", ""); curMess = 0;
9721 MakeName(char *template)
9725 static char buf[MSG_SIZ];
9729 clock = time((time_t *)NULL);
9730 tm = localtime(&clock);
9732 while(*p++ = *template++) if(p[-1] == '%') {
9733 switch(*template++) {
9734 case 0: *p = 0; return buf;
9735 case 'Y': i = tm->tm_year+1900; break;
9736 case 'y': i = tm->tm_year-100; break;
9737 case 'M': i = tm->tm_mon+1; break;
9738 case 'd': i = tm->tm_mday; break;
9739 case 'h': i = tm->tm_hour; break;
9740 case 'm': i = tm->tm_min; break;
9741 case 's': i = tm->tm_sec; break;
9744 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9750 CountPlayers(char *p)
9753 while(p = strchr(p, '\n')) p++, n++; // count participants
9758 WriteTourneyFile(char *results, FILE *f)
9759 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9760 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9761 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9762 // create a file with tournament description
9763 fprintf(f, "-participants {%s}\n", appData.participants);
9764 fprintf(f, "-seedBase %d\n", appData.seedBase);
9765 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9766 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9767 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9768 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9769 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9770 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9771 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9772 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9773 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9774 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9775 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9776 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9778 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9780 fprintf(f, "-mps %d\n", appData.movesPerSession);
9781 fprintf(f, "-tc %s\n", appData.timeControl);
9782 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9784 fprintf(f, "-results \"%s\"\n", results);
9789 #define MAXENGINES 1000
9790 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9792 void Substitute(char *participants, int expunge)
9794 int i, changed, changes=0, nPlayers=0;
9795 char *p, *q, *r, buf[MSG_SIZ];
9796 if(participants == NULL) return;
9797 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9798 r = p = participants; q = appData.participants;
9799 while(*p && *p == *q) {
9800 if(*p == '\n') r = p+1, nPlayers++;
9803 if(*p) { // difference
9804 while(*p && *p++ != '\n');
9805 while(*q && *q++ != '\n');
9807 changes = 1 + (strcmp(p, q) != 0);
9809 if(changes == 1) { // a single engine mnemonic was changed
9810 q = r; while(*q) nPlayers += (*q++ == '\n');
9811 p = buf; while(*r && (*p = *r++) != '\n') p++;
9813 NamesToList(firstChessProgramNames, command, mnemonic);
9814 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9815 if(mnemonic[i]) { // The substitute is valid
9817 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9818 flock(fileno(f), LOCK_EX);
9819 ParseArgsFromFile(f);
9820 fseek(f, 0, SEEK_SET);
9821 FREE(appData.participants); appData.participants = participants;
9822 if(expunge) { // erase results of replaced engine
9823 int len = strlen(appData.results), w, b, dummy;
9824 for(i=0; i<len; i++) {
9825 Pairing(i, nPlayers, &w, &b, &dummy);
9826 if((w == changed || b == changed) && appData.results[i] == '*') {
9827 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9832 for(i=0; i<len; i++) {
9833 Pairing(i, nPlayers, &w, &b, &dummy);
9834 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9837 WriteTourneyFile(appData.results, f);
9838 fclose(f); // release lock
9841 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9843 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9844 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9850 CreateTourney(char *name)
9853 if(matchMode && strcmp(name, appData.tourneyFile)) {
9854 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9856 if(name[0] == NULLCHAR) {
9857 if(appData.participants[0])
9858 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9861 f = fopen(name, "r");
9862 if(f) { // file exists
9863 ASSIGN(appData.tourneyFile, name);
9864 ParseArgsFromFile(f); // parse it
9866 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9867 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9868 DisplayError(_("Not enough participants"), 0);
9871 ASSIGN(appData.tourneyFile, name);
9872 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9873 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9876 appData.noChessProgram = FALSE;
9877 appData.clockMode = TRUE;
9882 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9884 char buf[MSG_SIZ], *p, *q;
9888 while(*p && *p != '\n') *q++ = *p++;
9890 if(engineList[i]) free(engineList[i]);
9891 engineList[i] = strdup(buf);
9893 TidyProgramName(engineList[i], "localhost", buf);
9894 if(engineMnemonic[i]) free(engineMnemonic[i]);
9895 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9897 sscanf(q + 8, "%s", buf + strlen(buf));
9900 engineMnemonic[i] = strdup(buf);
9902 if(i > MAXENGINES - 2) break;
9904 engineList[i] = engineMnemonic[i] = NULL;
9907 // following implemented as macro to avoid type limitations
9908 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9910 void SwapEngines(int n)
9911 { // swap settings for first engine and other engine (so far only some selected options)
9916 SWAP(chessProgram, p)
9918 SWAP(hasOwnBookUCI, h)
9919 SWAP(protocolVersion, h)
9921 SWAP(scoreIsAbsolute, h)
9929 SetPlayer(int player)
9930 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9932 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9933 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9934 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9935 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9937 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9938 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9939 appData.firstHasOwnBookUCI = !appData.defNoBook;
9940 ParseArgsFromString(buf);
9946 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9947 { // determine players from game number
9948 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9950 if(appData.tourneyType == 0) {
9951 roundsPerCycle = (nPlayers - 1) | 1;
9952 pairingsPerRound = nPlayers / 2;
9953 } else if(appData.tourneyType > 0) {
9954 roundsPerCycle = nPlayers - appData.tourneyType;
9955 pairingsPerRound = appData.tourneyType;
9957 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9958 gamesPerCycle = gamesPerRound * roundsPerCycle;
9959 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9960 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9961 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9962 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9963 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9964 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9966 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9967 if(appData.roundSync) *syncInterval = gamesPerRound;
9969 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9971 if(appData.tourneyType == 0) {
9972 if(curPairing == (nPlayers-1)/2 ) {
9973 *whitePlayer = curRound;
9974 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9976 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9977 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9978 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9979 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9981 } else if(appData.tourneyType > 0) {
9982 *whitePlayer = curPairing;
9983 *blackPlayer = curRound + appData.tourneyType;
9986 // take care of white/black alternation per round.
9987 // For cycles and games this is already taken care of by default, derived from matchGame!
9988 return curRound & 1;
9992 NextTourneyGame(int nr, int *swapColors)
9993 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9995 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9997 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9998 tf = fopen(appData.tourneyFile, "r");
9999 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10000 ParseArgsFromFile(tf); fclose(tf);
10001 InitTimeControls(); // TC might be altered from tourney file
10003 nPlayers = CountPlayers(appData.participants); // count participants
10004 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10005 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10008 p = q = appData.results;
10009 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10010 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10011 DisplayMessage(_("Waiting for other game(s)"),"");
10012 waitingForGame = TRUE;
10013 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10016 waitingForGame = FALSE;
10019 if(appData.tourneyType < 0) {
10020 if(nr>=0 && !pairingReceived) {
10022 if(pairing.pr == NoProc) {
10023 if(!appData.pairingEngine[0]) {
10024 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10027 StartChessProgram(&pairing); // starts the pairing engine
10029 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10030 SendToProgram(buf, &pairing);
10031 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10032 SendToProgram(buf, &pairing);
10033 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10035 pairingReceived = 0; // ... so we continue here
10037 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10038 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10039 matchGame = 1; roundNr = nr / syncInterval + 1;
10042 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10044 // redefine engines, engine dir, etc.
10045 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10046 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10048 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10049 SwapEngines(1); // and make that valid for second engine by swapping
10050 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10051 InitEngine(&second, 1);
10052 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10053 UpdateLogos(FALSE); // leave display to ModeHiglight()
10059 { // performs game initialization that does not invoke engines, and then tries to start the game
10060 int res, firstWhite, swapColors = 0;
10061 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10062 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10063 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10064 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10065 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10066 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10067 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10068 Reset(FALSE, first.pr != NoProc);
10069 res = LoadGameOrPosition(matchGame); // setup game
10070 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10071 if(!res) return; // abort when bad game/pos file
10072 TwoMachinesEvent();
10075 void UserAdjudicationEvent( int result )
10077 ChessMove gameResult = GameIsDrawn;
10080 gameResult = WhiteWins;
10082 else if( result < 0 ) {
10083 gameResult = BlackWins;
10086 if( gameMode == TwoMachinesPlay ) {
10087 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10092 // [HGM] save: calculate checksum of game to make games easily identifiable
10093 int StringCheckSum(char *s)
10096 if(s==NULL) return 0;
10097 while(*s) i = i*259 + *s++;
10104 for(i=backwardMostMove; i<forwardMostMove; i++) {
10105 sum += pvInfoList[i].depth;
10106 sum += StringCheckSum(parseList[i]);
10107 sum += StringCheckSum(commentList[i]);
10110 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10111 return sum + StringCheckSum(commentList[i]);
10112 } // end of save patch
10115 GameEnds(result, resultDetails, whosays)
10117 char *resultDetails;
10120 GameMode nextGameMode;
10122 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10124 if(endingGame) return; /* [HGM] crash: forbid recursion */
10126 if(twoBoards) { // [HGM] dual: switch back to one board
10127 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10128 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10130 if (appData.debugMode) {
10131 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10132 result, resultDetails ? resultDetails : "(null)", whosays);
10135 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10137 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10138 /* If we are playing on ICS, the server decides when the
10139 game is over, but the engine can offer to draw, claim
10143 if (appData.zippyPlay && first.initDone) {
10144 if (result == GameIsDrawn) {
10145 /* In case draw still needs to be claimed */
10146 SendToICS(ics_prefix);
10147 SendToICS("draw\n");
10148 } else if (StrCaseStr(resultDetails, "resign")) {
10149 SendToICS(ics_prefix);
10150 SendToICS("resign\n");
10154 endingGame = 0; /* [HGM] crash */
10158 /* If we're loading the game from a file, stop */
10159 if (whosays == GE_FILE) {
10160 (void) StopLoadGameTimer();
10164 /* Cancel draw offers */
10165 first.offeredDraw = second.offeredDraw = 0;
10167 /* If this is an ICS game, only ICS can really say it's done;
10168 if not, anyone can. */
10169 isIcsGame = (gameMode == IcsPlayingWhite ||
10170 gameMode == IcsPlayingBlack ||
10171 gameMode == IcsObserving ||
10172 gameMode == IcsExamining);
10174 if (!isIcsGame || whosays == GE_ICS) {
10175 /* OK -- not an ICS game, or ICS said it was done */
10177 if (!isIcsGame && !appData.noChessProgram)
10178 SetUserThinkingEnables();
10180 /* [HGM] if a machine claims the game end we verify this claim */
10181 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10182 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10184 ChessMove trueResult = (ChessMove) -1;
10186 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10187 first.twoMachinesColor[0] :
10188 second.twoMachinesColor[0] ;
10190 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10191 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10192 /* [HGM] verify: engine mate claims accepted if they were flagged */
10193 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10195 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10196 /* [HGM] verify: engine mate claims accepted if they were flagged */
10197 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10199 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10200 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10203 // now verify win claims, but not in drop games, as we don't understand those yet
10204 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10205 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10206 (result == WhiteWins && claimer == 'w' ||
10207 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10208 if (appData.debugMode) {
10209 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10210 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10212 if(result != trueResult) {
10213 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10214 result = claimer == 'w' ? BlackWins : WhiteWins;
10215 resultDetails = buf;
10218 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10219 && (forwardMostMove <= backwardMostMove ||
10220 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10221 (claimer=='b')==(forwardMostMove&1))
10223 /* [HGM] verify: draws that were not flagged are false claims */
10224 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10225 result = claimer == 'w' ? BlackWins : WhiteWins;
10226 resultDetails = buf;
10228 /* (Claiming a loss is accepted no questions asked!) */
10230 /* [HGM] bare: don't allow bare King to win */
10231 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10232 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10233 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10234 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10235 && result != GameIsDrawn)
10236 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10237 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10238 int p = (signed char)boards[forwardMostMove][i][j] - color;
10239 if(p >= 0 && p <= (int)WhiteKing) k++;
10241 if (appData.debugMode) {
10242 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10243 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10246 result = GameIsDrawn;
10247 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10248 resultDetails = buf;
10254 if(serverMoves != NULL && !loadFlag) { char c = '=';
10255 if(result==WhiteWins) c = '+';
10256 if(result==BlackWins) c = '-';
10257 if(resultDetails != NULL)
10258 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10260 if (resultDetails != NULL) {
10261 gameInfo.result = result;
10262 gameInfo.resultDetails = StrSave(resultDetails);
10264 /* display last move only if game was not loaded from file */
10265 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10266 DisplayMove(currentMove - 1);
10268 if (forwardMostMove != 0) {
10269 if (gameMode != PlayFromGameFile && gameMode != EditGame
10270 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10272 if (*appData.saveGameFile != NULLCHAR) {
10273 SaveGameToFile(appData.saveGameFile, TRUE);
10274 } else if (appData.autoSaveGames) {
10277 if (*appData.savePositionFile != NULLCHAR) {
10278 SavePositionToFile(appData.savePositionFile);
10283 /* Tell program how game ended in case it is learning */
10284 /* [HGM] Moved this to after saving the PGN, just in case */
10285 /* engine died and we got here through time loss. In that */
10286 /* case we will get a fatal error writing the pipe, which */
10287 /* would otherwise lose us the PGN. */
10288 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10289 /* output during GameEnds should never be fatal anymore */
10290 if (gameMode == MachinePlaysWhite ||
10291 gameMode == MachinePlaysBlack ||
10292 gameMode == TwoMachinesPlay ||
10293 gameMode == IcsPlayingWhite ||
10294 gameMode == IcsPlayingBlack ||
10295 gameMode == BeginningOfGame) {
10297 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10299 if (first.pr != NoProc) {
10300 SendToProgram(buf, &first);
10302 if (second.pr != NoProc &&
10303 gameMode == TwoMachinesPlay) {
10304 SendToProgram(buf, &second);
10309 if (appData.icsActive) {
10310 if (appData.quietPlay &&
10311 (gameMode == IcsPlayingWhite ||
10312 gameMode == IcsPlayingBlack)) {
10313 SendToICS(ics_prefix);
10314 SendToICS("set shout 1\n");
10316 nextGameMode = IcsIdle;
10317 ics_user_moved = FALSE;
10318 /* clean up premove. It's ugly when the game has ended and the
10319 * premove highlights are still on the board.
10322 gotPremove = FALSE;
10323 ClearPremoveHighlights();
10324 DrawPosition(FALSE, boards[currentMove]);
10326 if (whosays == GE_ICS) {
10329 if (gameMode == IcsPlayingWhite)
10331 else if(gameMode == IcsPlayingBlack)
10332 PlayIcsLossSound();
10335 if (gameMode == IcsPlayingBlack)
10337 else if(gameMode == IcsPlayingWhite)
10338 PlayIcsLossSound();
10341 PlayIcsDrawSound();
10344 PlayIcsUnfinishedSound();
10347 } else if (gameMode == EditGame ||
10348 gameMode == PlayFromGameFile ||
10349 gameMode == AnalyzeMode ||
10350 gameMode == AnalyzeFile) {
10351 nextGameMode = gameMode;
10353 nextGameMode = EndOfGame;
10358 nextGameMode = gameMode;
10361 if (appData.noChessProgram) {
10362 gameMode = nextGameMode;
10364 endingGame = 0; /* [HGM] crash */
10369 /* Put first chess program into idle state */
10370 if (first.pr != NoProc &&
10371 (gameMode == MachinePlaysWhite ||
10372 gameMode == MachinePlaysBlack ||
10373 gameMode == TwoMachinesPlay ||
10374 gameMode == IcsPlayingWhite ||
10375 gameMode == IcsPlayingBlack ||
10376 gameMode == BeginningOfGame)) {
10377 SendToProgram("force\n", &first);
10378 if (first.usePing) {
10380 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10381 SendToProgram(buf, &first);
10384 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10385 /* Kill off first chess program */
10386 if (first.isr != NULL)
10387 RemoveInputSource(first.isr);
10390 if (first.pr != NoProc) {
10392 DoSleep( appData.delayBeforeQuit );
10393 SendToProgram("quit\n", &first);
10394 DoSleep( appData.delayAfterQuit );
10395 DestroyChildProcess(first.pr, first.useSigterm);
10399 if (second.reuse) {
10400 /* Put second chess program into idle state */
10401 if (second.pr != NoProc &&
10402 gameMode == TwoMachinesPlay) {
10403 SendToProgram("force\n", &second);
10404 if (second.usePing) {
10406 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10407 SendToProgram(buf, &second);
10410 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10411 /* Kill off second chess program */
10412 if (second.isr != NULL)
10413 RemoveInputSource(second.isr);
10416 if (second.pr != NoProc) {
10417 DoSleep( appData.delayBeforeQuit );
10418 SendToProgram("quit\n", &second);
10419 DoSleep( appData.delayAfterQuit );
10420 DestroyChildProcess(second.pr, second.useSigterm);
10422 second.pr = NoProc;
10425 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10426 char resChar = '=';
10430 if (first.twoMachinesColor[0] == 'w') {
10433 second.matchWins++;
10438 if (first.twoMachinesColor[0] == 'b') {
10441 second.matchWins++;
10444 case GameUnfinished:
10450 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10451 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10452 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10453 ReserveGame(nextGame, resChar); // sets nextGame
10454 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10455 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10456 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10458 if (nextGame <= appData.matchGames && !abortMatch) {
10459 gameMode = nextGameMode;
10460 matchGame = nextGame; // this will be overruled in tourney mode!
10461 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10462 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10463 endingGame = 0; /* [HGM] crash */
10466 gameMode = nextGameMode;
10467 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10468 first.tidy, second.tidy,
10469 first.matchWins, second.matchWins,
10470 appData.matchGames - (first.matchWins + second.matchWins));
10471 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10472 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10473 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10474 first.twoMachinesColor = "black\n";
10475 second.twoMachinesColor = "white\n";
10477 first.twoMachinesColor = "white\n";
10478 second.twoMachinesColor = "black\n";
10482 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10483 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10485 gameMode = nextGameMode;
10487 endingGame = 0; /* [HGM] crash */
10488 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10489 if(matchMode == TRUE) { // match through command line: exit with or without popup
10491 ToNrEvent(forwardMostMove);
10492 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10494 } else DisplayFatalError(buf, 0, 0);
10495 } else { // match through menu; just stop, with or without popup
10496 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10499 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10500 } else DisplayNote(buf);
10502 if(ranking) free(ranking);
10506 /* Assumes program was just initialized (initString sent).
10507 Leaves program in force mode. */
10509 FeedMovesToProgram(cps, upto)
10510 ChessProgramState *cps;
10515 if (appData.debugMode)
10516 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10517 startedFromSetupPosition ? "position and " : "",
10518 backwardMostMove, upto, cps->which);
10519 if(currentlyInitializedVariant != gameInfo.variant) {
10521 // [HGM] variantswitch: make engine aware of new variant
10522 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10523 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10524 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10525 SendToProgram(buf, cps);
10526 currentlyInitializedVariant = gameInfo.variant;
10528 SendToProgram("force\n", cps);
10529 if (startedFromSetupPosition) {
10530 SendBoard(cps, backwardMostMove);
10531 if (appData.debugMode) {
10532 fprintf(debugFP, "feedMoves\n");
10535 for (i = backwardMostMove; i < upto; i++) {
10536 SendMoveToProgram(i, cps);
10542 ResurrectChessProgram()
10544 /* The chess program may have exited.
10545 If so, restart it and feed it all the moves made so far. */
10546 static int doInit = 0;
10548 if (appData.noChessProgram) return 1;
10550 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10551 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10552 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10553 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10555 if (first.pr != NoProc) return 1;
10556 StartChessProgram(&first);
10558 InitChessProgram(&first, FALSE);
10559 FeedMovesToProgram(&first, currentMove);
10561 if (!first.sendTime) {
10562 /* can't tell gnuchess what its clock should read,
10563 so we bow to its notion. */
10565 timeRemaining[0][currentMove] = whiteTimeRemaining;
10566 timeRemaining[1][currentMove] = blackTimeRemaining;
10569 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10570 appData.icsEngineAnalyze) && first.analysisSupport) {
10571 SendToProgram("analyze\n", &first);
10572 first.analyzing = TRUE;
10578 * Button procedures
10581 Reset(redraw, init)
10586 if (appData.debugMode) {
10587 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10588 redraw, init, gameMode);
10590 CleanupTail(); // [HGM] vari: delete any stored variations
10591 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10592 pausing = pauseExamInvalid = FALSE;
10593 startedFromSetupPosition = blackPlaysFirst = FALSE;
10595 whiteFlag = blackFlag = FALSE;
10596 userOfferedDraw = FALSE;
10597 hintRequested = bookRequested = FALSE;
10598 first.maybeThinking = FALSE;
10599 second.maybeThinking = FALSE;
10600 first.bookSuspend = FALSE; // [HGM] book
10601 second.bookSuspend = FALSE;
10602 thinkOutput[0] = NULLCHAR;
10603 lastHint[0] = NULLCHAR;
10604 ClearGameInfo(&gameInfo);
10605 gameInfo.variant = StringToVariant(appData.variant);
10606 ics_user_moved = ics_clock_paused = FALSE;
10607 ics_getting_history = H_FALSE;
10609 white_holding[0] = black_holding[0] = NULLCHAR;
10610 ClearProgramStats();
10611 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10615 flipView = appData.flipView;
10616 ClearPremoveHighlights();
10617 gotPremove = FALSE;
10618 alarmSounded = FALSE;
10620 GameEnds(EndOfFile, NULL, GE_PLAYER);
10621 if(appData.serverMovesName != NULL) {
10622 /* [HGM] prepare to make moves file for broadcasting */
10623 clock_t t = clock();
10624 if(serverMoves != NULL) fclose(serverMoves);
10625 serverMoves = fopen(appData.serverMovesName, "r");
10626 if(serverMoves != NULL) {
10627 fclose(serverMoves);
10628 /* delay 15 sec before overwriting, so all clients can see end */
10629 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10631 serverMoves = fopen(appData.serverMovesName, "w");
10635 gameMode = BeginningOfGame;
10637 if(appData.icsActive) gameInfo.variant = VariantNormal;
10638 currentMove = forwardMostMove = backwardMostMove = 0;
10639 InitPosition(redraw);
10640 for (i = 0; i < MAX_MOVES; i++) {
10641 if (commentList[i] != NULL) {
10642 free(commentList[i]);
10643 commentList[i] = NULL;
10647 timeRemaining[0][0] = whiteTimeRemaining;
10648 timeRemaining[1][0] = blackTimeRemaining;
10650 if (first.pr == NoProc) {
10651 StartChessProgram(&first);
10654 InitChessProgram(&first, startedFromSetupPosition);
10657 DisplayMessage("", "");
10658 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10659 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10666 if (!AutoPlayOneMove())
10668 if (matchMode || appData.timeDelay == 0)
10670 if (appData.timeDelay < 0)
10672 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10681 int fromX, fromY, toX, toY;
10683 if (appData.debugMode) {
10684 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10687 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10690 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10691 pvInfoList[currentMove].depth = programStats.depth;
10692 pvInfoList[currentMove].score = programStats.score;
10693 pvInfoList[currentMove].time = 0;
10694 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10697 if (currentMove >= forwardMostMove) {
10698 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10699 // gameMode = EndOfGame;
10700 // ModeHighlight();
10702 /* [AS] Clear current move marker at the end of a game */
10703 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10708 toX = moveList[currentMove][2] - AAA;
10709 toY = moveList[currentMove][3] - ONE;
10711 if (moveList[currentMove][1] == '@') {
10712 if (appData.highlightLastMove) {
10713 SetHighlights(-1, -1, toX, toY);
10716 fromX = moveList[currentMove][0] - AAA;
10717 fromY = moveList[currentMove][1] - ONE;
10719 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10721 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10723 if (appData.highlightLastMove) {
10724 SetHighlights(fromX, fromY, toX, toY);
10727 DisplayMove(currentMove);
10728 SendMoveToProgram(currentMove++, &first);
10729 DisplayBothClocks();
10730 DrawPosition(FALSE, boards[currentMove]);
10731 // [HGM] PV info: always display, routine tests if empty
10732 DisplayComment(currentMove - 1, commentList[currentMove]);
10738 LoadGameOneMove(readAhead)
10739 ChessMove readAhead;
10741 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10742 char promoChar = NULLCHAR;
10743 ChessMove moveType;
10744 char move[MSG_SIZ];
10747 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10748 gameMode != AnalyzeMode && gameMode != Training) {
10753 yyboardindex = forwardMostMove;
10754 if (readAhead != EndOfFile) {
10755 moveType = readAhead;
10757 if (gameFileFP == NULL)
10759 moveType = (ChessMove) Myylex();
10763 switch (moveType) {
10765 if (appData.debugMode)
10766 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10769 /* append the comment but don't display it */
10770 AppendComment(currentMove, p, FALSE);
10773 case WhiteCapturesEnPassant:
10774 case BlackCapturesEnPassant:
10775 case WhitePromotion:
10776 case BlackPromotion:
10777 case WhiteNonPromotion:
10778 case BlackNonPromotion:
10780 case WhiteKingSideCastle:
10781 case WhiteQueenSideCastle:
10782 case BlackKingSideCastle:
10783 case BlackQueenSideCastle:
10784 case WhiteKingSideCastleWild:
10785 case WhiteQueenSideCastleWild:
10786 case BlackKingSideCastleWild:
10787 case BlackQueenSideCastleWild:
10789 case WhiteHSideCastleFR:
10790 case WhiteASideCastleFR:
10791 case BlackHSideCastleFR:
10792 case BlackASideCastleFR:
10794 if (appData.debugMode)
10795 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10796 fromX = currentMoveString[0] - AAA;
10797 fromY = currentMoveString[1] - ONE;
10798 toX = currentMoveString[2] - AAA;
10799 toY = currentMoveString[3] - ONE;
10800 promoChar = currentMoveString[4];
10805 if (appData.debugMode)
10806 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10807 fromX = moveType == WhiteDrop ?
10808 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10809 (int) CharToPiece(ToLower(currentMoveString[0]));
10811 toX = currentMoveString[2] - AAA;
10812 toY = currentMoveString[3] - ONE;
10818 case GameUnfinished:
10819 if (appData.debugMode)
10820 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10821 p = strchr(yy_text, '{');
10822 if (p == NULL) p = strchr(yy_text, '(');
10825 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10827 q = strchr(p, *p == '{' ? '}' : ')');
10828 if (q != NULL) *q = NULLCHAR;
10831 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10832 GameEnds(moveType, p, GE_FILE);
10834 if (cmailMsgLoaded) {
10836 flipView = WhiteOnMove(currentMove);
10837 if (moveType == GameUnfinished) flipView = !flipView;
10838 if (appData.debugMode)
10839 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10844 if (appData.debugMode)
10845 fprintf(debugFP, "Parser hit end of file\n");
10846 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10852 if (WhiteOnMove(currentMove)) {
10853 GameEnds(BlackWins, "Black mates", GE_FILE);
10855 GameEnds(WhiteWins, "White mates", GE_FILE);
10859 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10865 case MoveNumberOne:
10866 if (lastLoadGameStart == GNUChessGame) {
10867 /* GNUChessGames have numbers, but they aren't move numbers */
10868 if (appData.debugMode)
10869 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10870 yy_text, (int) moveType);
10871 return LoadGameOneMove(EndOfFile); /* tail recursion */
10873 /* else fall thru */
10878 /* Reached start of next game in file */
10879 if (appData.debugMode)
10880 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10881 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10887 if (WhiteOnMove(currentMove)) {
10888 GameEnds(BlackWins, "Black mates", GE_FILE);
10890 GameEnds(WhiteWins, "White mates", GE_FILE);
10894 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10900 case PositionDiagram: /* should not happen; ignore */
10901 case ElapsedTime: /* ignore */
10902 case NAG: /* ignore */
10903 if (appData.debugMode)
10904 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10905 yy_text, (int) moveType);
10906 return LoadGameOneMove(EndOfFile); /* tail recursion */
10909 if (appData.testLegality) {
10910 if (appData.debugMode)
10911 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10912 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10913 (forwardMostMove / 2) + 1,
10914 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10915 DisplayError(move, 0);
10918 if (appData.debugMode)
10919 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10920 yy_text, currentMoveString);
10921 fromX = currentMoveString[0] - AAA;
10922 fromY = currentMoveString[1] - ONE;
10923 toX = currentMoveString[2] - AAA;
10924 toY = currentMoveString[3] - ONE;
10925 promoChar = currentMoveString[4];
10929 case AmbiguousMove:
10930 if (appData.debugMode)
10931 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10932 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10933 (forwardMostMove / 2) + 1,
10934 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10935 DisplayError(move, 0);
10940 case ImpossibleMove:
10941 if (appData.debugMode)
10942 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10943 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10944 (forwardMostMove / 2) + 1,
10945 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10946 DisplayError(move, 0);
10952 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10953 DrawPosition(FALSE, boards[currentMove]);
10954 DisplayBothClocks();
10955 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10956 DisplayComment(currentMove - 1, commentList[currentMove]);
10958 (void) StopLoadGameTimer();
10960 cmailOldMove = forwardMostMove;
10963 /* currentMoveString is set as a side-effect of yylex */
10965 thinkOutput[0] = NULLCHAR;
10966 MakeMove(fromX, fromY, toX, toY, promoChar);
10967 currentMove = forwardMostMove;
10972 /* Load the nth game from the given file */
10974 LoadGameFromFile(filename, n, title, useList)
10978 /*Boolean*/ int useList;
10983 if (strcmp(filename, "-") == 0) {
10987 f = fopen(filename, "rb");
10989 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10990 DisplayError(buf, errno);
10994 if (fseek(f, 0, 0) == -1) {
10995 /* f is not seekable; probably a pipe */
10998 if (useList && n == 0) {
10999 int error = GameListBuild(f);
11001 DisplayError(_("Cannot build game list"), error);
11002 } else if (!ListEmpty(&gameList) &&
11003 ((ListGame *) gameList.tailPred)->number > 1) {
11004 GameListPopUp(f, title);
11011 return LoadGame(f, n, title, FALSE);
11016 MakeRegisteredMove()
11018 int fromX, fromY, toX, toY;
11020 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11021 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11024 if (appData.debugMode)
11025 fprintf(debugFP, "Restoring %s for game %d\n",
11026 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11028 thinkOutput[0] = NULLCHAR;
11029 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11030 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11031 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11032 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11033 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11034 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11035 MakeMove(fromX, fromY, toX, toY, promoChar);
11036 ShowMove(fromX, fromY, toX, toY);
11038 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11045 if (WhiteOnMove(currentMove)) {
11046 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11048 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11053 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11060 if (WhiteOnMove(currentMove)) {
11061 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11063 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11068 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11079 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11081 CmailLoadGame(f, gameNumber, title, useList)
11089 if (gameNumber > nCmailGames) {
11090 DisplayError(_("No more games in this message"), 0);
11093 if (f == lastLoadGameFP) {
11094 int offset = gameNumber - lastLoadGameNumber;
11096 cmailMsg[0] = NULLCHAR;
11097 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11098 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11099 nCmailMovesRegistered--;
11101 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11102 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11103 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11106 if (! RegisterMove()) return FALSE;
11110 retVal = LoadGame(f, gameNumber, title, useList);
11112 /* Make move registered during previous look at this game, if any */
11113 MakeRegisteredMove();
11115 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11116 commentList[currentMove]
11117 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11118 DisplayComment(currentMove - 1, commentList[currentMove]);
11124 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11129 int gameNumber = lastLoadGameNumber + offset;
11130 if (lastLoadGameFP == NULL) {
11131 DisplayError(_("No game has been loaded yet"), 0);
11134 if (gameNumber <= 0) {
11135 DisplayError(_("Can't back up any further"), 0);
11138 if (cmailMsgLoaded) {
11139 return CmailLoadGame(lastLoadGameFP, gameNumber,
11140 lastLoadGameTitle, lastLoadGameUseList);
11142 return LoadGame(lastLoadGameFP, gameNumber,
11143 lastLoadGameTitle, lastLoadGameUseList);
11147 int keys[EmptySquare+1];
11150 PositionMatches(Board b1, Board b2)
11153 switch(appData.searchMode) {
11154 case 1: return CompareWithRights(b1, b2);
11156 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11157 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11161 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11162 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11163 sum += keys[b1[r][f]] - keys[b2[r][f]];
11167 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11168 sum += keys[b1[r][f]] - keys[b2[r][f]];
11180 int pieceList[256], quickBoard[256];
11181 ChessSquare pieceType[256] = { EmptySquare };
11182 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11183 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11184 int soughtTotal, turn;
11185 Boolean epOK, flipSearch;
11188 unsigned char piece, to;
11191 #define DSIZE (250000)
11193 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11194 Move *moveDatabase = initialSpace;
11195 unsigned int movePtr, dataSize = DSIZE;
11197 int MakePieceList(Board board, int *counts)
11199 int r, f, n=Q_PROMO, total=0;
11200 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11201 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11202 int sq = f + (r<<4);
11203 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11204 quickBoard[sq] = ++n;
11206 pieceType[n] = board[r][f];
11207 counts[board[r][f]]++;
11208 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11209 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11213 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11217 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11219 int sq = fromX + (fromY<<4);
11220 int piece = quickBoard[sq];
11221 quickBoard[sq] = 0;
11222 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11223 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11224 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11225 moveDatabase[movePtr++].piece = Q_WCASTL;
11226 quickBoard[sq] = piece;
11227 piece = quickBoard[from]; quickBoard[from] = 0;
11228 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11230 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11231 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11232 moveDatabase[movePtr++].piece = Q_BCASTL;
11233 quickBoard[sq] = piece;
11234 piece = quickBoard[from]; quickBoard[from] = 0;
11235 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11237 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11238 quickBoard[(fromY<<4)+toX] = 0;
11239 moveDatabase[movePtr].piece = Q_EP;
11240 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11241 moveDatabase[movePtr].to = sq;
11243 if(promoPiece != pieceType[piece]) {
11244 moveDatabase[movePtr++].piece = Q_PROMO;
11245 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11247 moveDatabase[movePtr].piece = piece;
11248 quickBoard[sq] = piece;
11252 int PackGame(Board board)
11254 Move *newSpace = NULL;
11255 moveDatabase[movePtr].piece = 0; // terminate previous game
11256 if(movePtr > dataSize) {
11257 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11258 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11259 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11262 Move *p = moveDatabase, *q = newSpace;
11263 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11264 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11265 moveDatabase = newSpace;
11266 } else { // calloc failed, we must be out of memory. Too bad...
11267 dataSize = 0; // prevent calloc events for all subsequent games
11268 return 0; // and signal this one isn't cached
11272 MakePieceList(board, counts);
11276 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11277 { // compare according to search mode
11279 switch(appData.searchMode)
11281 case 1: // exact position match
11282 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11283 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11284 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11287 case 2: // can have extra material on empty squares
11288 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11289 if(board[r][f] == EmptySquare) continue;
11290 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11293 case 3: // material with exact Pawn structure
11294 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11295 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11296 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11297 } // fall through to material comparison
11298 case 4: // exact material
11299 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11301 case 6: // material range with given imbalance
11302 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11303 // fall through to range comparison
11304 case 5: // material range
11305 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11310 int QuickScan(Board board, Move *move)
11311 { // reconstruct game,and compare all positions in it
11312 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11314 int piece = move->piece;
11315 int to = move->to, from = pieceList[piece];
11316 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11317 if(!piece) return -1;
11318 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11319 piece = (++move)->piece;
11320 from = pieceList[piece];
11321 counts[pieceType[piece]]--;
11322 pieceType[piece] = (ChessSquare) move->to;
11323 counts[move->to]++;
11324 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11325 counts[pieceType[quickBoard[to]]]--;
11326 quickBoard[to] = 0; total--;
11329 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11330 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11331 from = pieceList[piece]; // so this must be King
11332 quickBoard[from] = 0;
11333 quickBoard[to] = piece;
11334 pieceList[piece] = to;
11339 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11340 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11341 quickBoard[from] = 0;
11342 quickBoard[to] = piece;
11343 pieceList[piece] = to;
11345 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11346 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11347 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11348 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11350 static int lastCounts[EmptySquare+1];
11352 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11353 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11354 } else stretch = 0;
11355 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11363 flipSearch = FALSE;
11364 CopyBoard(soughtBoard, boards[currentMove]);
11365 soughtTotal = MakePieceList(soughtBoard, maxSought);
11366 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11367 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11368 CopyBoard(reverseBoard, boards[currentMove]);
11369 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11370 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11371 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11372 reverseBoard[r][f] = piece;
11374 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11375 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11376 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11377 || (boards[currentMove][CASTLING][2] == NoRights ||
11378 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11379 && (boards[currentMove][CASTLING][5] == NoRights ||
11380 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11383 CopyBoard(flipBoard, soughtBoard);
11384 CopyBoard(rotateBoard, reverseBoard);
11385 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11386 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11387 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11390 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11391 if(appData.searchMode >= 5) {
11392 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11393 MakePieceList(soughtBoard, minSought);
11394 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11396 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11397 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11400 GameInfo dummyInfo;
11402 int GameContainsPosition(FILE *f, ListGame *lg)
11404 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11405 int fromX, fromY, toX, toY;
11407 static int initDone=FALSE;
11409 // weed out games based on numerical tag comparison
11410 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11411 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11412 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11413 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11415 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11418 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11419 else CopyBoard(boards[scratch], initialPosition); // default start position
11422 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11423 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11426 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11427 fseek(f, lg->offset, 0);
11430 yyboardindex = scratch;
11431 quickFlag = plyNr+1;
11436 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11442 if(plyNr) return -1; // after we have seen moves, this is for new game
11445 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11446 case ImpossibleMove:
11447 case WhiteWins: // game ends here with these four
11450 case GameUnfinished:
11454 if(appData.testLegality) return -1;
11455 case WhiteCapturesEnPassant:
11456 case BlackCapturesEnPassant:
11457 case WhitePromotion:
11458 case BlackPromotion:
11459 case WhiteNonPromotion:
11460 case BlackNonPromotion:
11462 case WhiteKingSideCastle:
11463 case WhiteQueenSideCastle:
11464 case BlackKingSideCastle:
11465 case BlackQueenSideCastle:
11466 case WhiteKingSideCastleWild:
11467 case WhiteQueenSideCastleWild:
11468 case BlackKingSideCastleWild:
11469 case BlackQueenSideCastleWild:
11470 case WhiteHSideCastleFR:
11471 case WhiteASideCastleFR:
11472 case BlackHSideCastleFR:
11473 case BlackASideCastleFR:
11474 fromX = currentMoveString[0] - AAA;
11475 fromY = currentMoveString[1] - ONE;
11476 toX = currentMoveString[2] - AAA;
11477 toY = currentMoveString[3] - ONE;
11478 promoChar = currentMoveString[4];
11482 fromX = next == WhiteDrop ?
11483 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11484 (int) CharToPiece(ToLower(currentMoveString[0]));
11486 toX = currentMoveString[2] - AAA;
11487 toY = currentMoveString[3] - ONE;
11491 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11493 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11494 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11495 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11496 if(appData.findMirror) {
11497 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11498 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11503 /* Load the nth game from open file f */
11505 LoadGame(f, gameNumber, title, useList)
11513 int gn = gameNumber;
11514 ListGame *lg = NULL;
11515 int numPGNTags = 0;
11517 GameMode oldGameMode;
11518 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11520 if (appData.debugMode)
11521 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11523 if (gameMode == Training )
11524 SetTrainingModeOff();
11526 oldGameMode = gameMode;
11527 if (gameMode != BeginningOfGame) {
11528 Reset(FALSE, TRUE);
11532 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11533 fclose(lastLoadGameFP);
11537 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11540 fseek(f, lg->offset, 0);
11541 GameListHighlight(gameNumber);
11542 pos = lg->position;
11546 DisplayError(_("Game number out of range"), 0);
11551 if (fseek(f, 0, 0) == -1) {
11552 if (f == lastLoadGameFP ?
11553 gameNumber == lastLoadGameNumber + 1 :
11557 DisplayError(_("Can't seek on game file"), 0);
11562 lastLoadGameFP = f;
11563 lastLoadGameNumber = gameNumber;
11564 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11565 lastLoadGameUseList = useList;
11569 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11570 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11571 lg->gameInfo.black);
11573 } else if (*title != NULLCHAR) {
11574 if (gameNumber > 1) {
11575 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11578 DisplayTitle(title);
11582 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11583 gameMode = PlayFromGameFile;
11587 currentMove = forwardMostMove = backwardMostMove = 0;
11588 CopyBoard(boards[0], initialPosition);
11592 * Skip the first gn-1 games in the file.
11593 * Also skip over anything that precedes an identifiable
11594 * start of game marker, to avoid being confused by
11595 * garbage at the start of the file. Currently
11596 * recognized start of game markers are the move number "1",
11597 * the pattern "gnuchess .* game", the pattern
11598 * "^[#;%] [^ ]* game file", and a PGN tag block.
11599 * A game that starts with one of the latter two patterns
11600 * will also have a move number 1, possibly
11601 * following a position diagram.
11602 * 5-4-02: Let's try being more lenient and allowing a game to
11603 * start with an unnumbered move. Does that break anything?
11605 cm = lastLoadGameStart = EndOfFile;
11607 yyboardindex = forwardMostMove;
11608 cm = (ChessMove) Myylex();
11611 if (cmailMsgLoaded) {
11612 nCmailGames = CMAIL_MAX_GAMES - gn;
11615 DisplayError(_("Game not found in file"), 0);
11622 lastLoadGameStart = cm;
11625 case MoveNumberOne:
11626 switch (lastLoadGameStart) {
11631 case MoveNumberOne:
11633 gn--; /* count this game */
11634 lastLoadGameStart = cm;
11643 switch (lastLoadGameStart) {
11646 case MoveNumberOne:
11648 gn--; /* count this game */
11649 lastLoadGameStart = cm;
11652 lastLoadGameStart = cm; /* game counted already */
11660 yyboardindex = forwardMostMove;
11661 cm = (ChessMove) Myylex();
11662 } while (cm == PGNTag || cm == Comment);
11669 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11670 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11671 != CMAIL_OLD_RESULT) {
11673 cmailResult[ CMAIL_MAX_GAMES
11674 - gn - 1] = CMAIL_OLD_RESULT;
11680 /* Only a NormalMove can be at the start of a game
11681 * without a position diagram. */
11682 if (lastLoadGameStart == EndOfFile ) {
11684 lastLoadGameStart = MoveNumberOne;
11693 if (appData.debugMode)
11694 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11696 if (cm == XBoardGame) {
11697 /* Skip any header junk before position diagram and/or move 1 */
11699 yyboardindex = forwardMostMove;
11700 cm = (ChessMove) Myylex();
11702 if (cm == EndOfFile ||
11703 cm == GNUChessGame || cm == XBoardGame) {
11704 /* Empty game; pretend end-of-file and handle later */
11709 if (cm == MoveNumberOne || cm == PositionDiagram ||
11710 cm == PGNTag || cm == Comment)
11713 } else if (cm == GNUChessGame) {
11714 if (gameInfo.event != NULL) {
11715 free(gameInfo.event);
11717 gameInfo.event = StrSave(yy_text);
11720 startedFromSetupPosition = FALSE;
11721 while (cm == PGNTag) {
11722 if (appData.debugMode)
11723 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11724 err = ParsePGNTag(yy_text, &gameInfo);
11725 if (!err) numPGNTags++;
11727 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11728 if(gameInfo.variant != oldVariant) {
11729 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11730 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11731 InitPosition(TRUE);
11732 oldVariant = gameInfo.variant;
11733 if (appData.debugMode)
11734 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11738 if (gameInfo.fen != NULL) {
11739 Board initial_position;
11740 startedFromSetupPosition = TRUE;
11741 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11743 DisplayError(_("Bad FEN position in file"), 0);
11746 CopyBoard(boards[0], initial_position);
11747 if (blackPlaysFirst) {
11748 currentMove = forwardMostMove = backwardMostMove = 1;
11749 CopyBoard(boards[1], initial_position);
11750 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11751 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11752 timeRemaining[0][1] = whiteTimeRemaining;
11753 timeRemaining[1][1] = blackTimeRemaining;
11754 if (commentList[0] != NULL) {
11755 commentList[1] = commentList[0];
11756 commentList[0] = NULL;
11759 currentMove = forwardMostMove = backwardMostMove = 0;
11761 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11763 initialRulePlies = FENrulePlies;
11764 for( i=0; i< nrCastlingRights; i++ )
11765 initialRights[i] = initial_position[CASTLING][i];
11767 yyboardindex = forwardMostMove;
11768 free(gameInfo.fen);
11769 gameInfo.fen = NULL;
11772 yyboardindex = forwardMostMove;
11773 cm = (ChessMove) Myylex();
11775 /* Handle comments interspersed among the tags */
11776 while (cm == Comment) {
11778 if (appData.debugMode)
11779 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11781 AppendComment(currentMove, p, FALSE);
11782 yyboardindex = forwardMostMove;
11783 cm = (ChessMove) Myylex();
11787 /* don't rely on existence of Event tag since if game was
11788 * pasted from clipboard the Event tag may not exist
11790 if (numPGNTags > 0){
11792 if (gameInfo.variant == VariantNormal) {
11793 VariantClass v = StringToVariant(gameInfo.event);
11794 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11795 if(v < VariantShogi) gameInfo.variant = v;
11798 if( appData.autoDisplayTags ) {
11799 tags = PGNTags(&gameInfo);
11800 TagsPopUp(tags, CmailMsg());
11805 /* Make something up, but don't display it now */
11810 if (cm == PositionDiagram) {
11813 Board initial_position;
11815 if (appData.debugMode)
11816 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11818 if (!startedFromSetupPosition) {
11820 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11821 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11832 initial_position[i][j++] = CharToPiece(*p);
11835 while (*p == ' ' || *p == '\t' ||
11836 *p == '\n' || *p == '\r') p++;
11838 if (strncmp(p, "black", strlen("black"))==0)
11839 blackPlaysFirst = TRUE;
11841 blackPlaysFirst = FALSE;
11842 startedFromSetupPosition = TRUE;
11844 CopyBoard(boards[0], initial_position);
11845 if (blackPlaysFirst) {
11846 currentMove = forwardMostMove = backwardMostMove = 1;
11847 CopyBoard(boards[1], initial_position);
11848 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11849 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11850 timeRemaining[0][1] = whiteTimeRemaining;
11851 timeRemaining[1][1] = blackTimeRemaining;
11852 if (commentList[0] != NULL) {
11853 commentList[1] = commentList[0];
11854 commentList[0] = NULL;
11857 currentMove = forwardMostMove = backwardMostMove = 0;
11860 yyboardindex = forwardMostMove;
11861 cm = (ChessMove) Myylex();
11864 if (first.pr == NoProc) {
11865 StartChessProgram(&first);
11867 InitChessProgram(&first, FALSE);
11868 SendToProgram("force\n", &first);
11869 if (startedFromSetupPosition) {
11870 SendBoard(&first, forwardMostMove);
11871 if (appData.debugMode) {
11872 fprintf(debugFP, "Load Game\n");
11874 DisplayBothClocks();
11877 /* [HGM] server: flag to write setup moves in broadcast file as one */
11878 loadFlag = appData.suppressLoadMoves;
11880 while (cm == Comment) {
11882 if (appData.debugMode)
11883 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11885 AppendComment(currentMove, p, FALSE);
11886 yyboardindex = forwardMostMove;
11887 cm = (ChessMove) Myylex();
11890 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11891 cm == WhiteWins || cm == BlackWins ||
11892 cm == GameIsDrawn || cm == GameUnfinished) {
11893 DisplayMessage("", _("No moves in game"));
11894 if (cmailMsgLoaded) {
11895 if (appData.debugMode)
11896 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11900 DrawPosition(FALSE, boards[currentMove]);
11901 DisplayBothClocks();
11902 gameMode = EditGame;
11909 // [HGM] PV info: routine tests if comment empty
11910 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11911 DisplayComment(currentMove - 1, commentList[currentMove]);
11913 if (!matchMode && appData.timeDelay != 0)
11914 DrawPosition(FALSE, boards[currentMove]);
11916 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11917 programStats.ok_to_send = 1;
11920 /* if the first token after the PGN tags is a move
11921 * and not move number 1, retrieve it from the parser
11923 if (cm != MoveNumberOne)
11924 LoadGameOneMove(cm);
11926 /* load the remaining moves from the file */
11927 while (LoadGameOneMove(EndOfFile)) {
11928 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11929 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11932 /* rewind to the start of the game */
11933 currentMove = backwardMostMove;
11935 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11937 if (oldGameMode == AnalyzeFile ||
11938 oldGameMode == AnalyzeMode) {
11939 AnalyzeFileEvent();
11942 if (!matchMode && pos >= 0) {
11943 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11945 if (matchMode || appData.timeDelay == 0) {
11947 } else if (appData.timeDelay > 0) {
11948 AutoPlayGameLoop();
11951 if (appData.debugMode)
11952 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11954 loadFlag = 0; /* [HGM] true game starts */
11958 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11960 ReloadPosition(offset)
11963 int positionNumber = lastLoadPositionNumber + offset;
11964 if (lastLoadPositionFP == NULL) {
11965 DisplayError(_("No position has been loaded yet"), 0);
11968 if (positionNumber <= 0) {
11969 DisplayError(_("Can't back up any further"), 0);
11972 return LoadPosition(lastLoadPositionFP, positionNumber,
11973 lastLoadPositionTitle);
11976 /* Load the nth position from the given file */
11978 LoadPositionFromFile(filename, n, title)
11986 if (strcmp(filename, "-") == 0) {
11987 return LoadPosition(stdin, n, "stdin");
11989 f = fopen(filename, "rb");
11991 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11992 DisplayError(buf, errno);
11995 return LoadPosition(f, n, title);
12000 /* Load the nth position from the given open file, and close it */
12002 LoadPosition(f, positionNumber, title)
12004 int positionNumber;
12007 char *p, line[MSG_SIZ];
12008 Board initial_position;
12009 int i, j, fenMode, pn;
12011 if (gameMode == Training )
12012 SetTrainingModeOff();
12014 if (gameMode != BeginningOfGame) {
12015 Reset(FALSE, TRUE);
12017 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12018 fclose(lastLoadPositionFP);
12020 if (positionNumber == 0) positionNumber = 1;
12021 lastLoadPositionFP = f;
12022 lastLoadPositionNumber = positionNumber;
12023 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12024 if (first.pr == NoProc && !appData.noChessProgram) {
12025 StartChessProgram(&first);
12026 InitChessProgram(&first, FALSE);
12028 pn = positionNumber;
12029 if (positionNumber < 0) {
12030 /* Negative position number means to seek to that byte offset */
12031 if (fseek(f, -positionNumber, 0) == -1) {
12032 DisplayError(_("Can't seek on position file"), 0);
12037 if (fseek(f, 0, 0) == -1) {
12038 if (f == lastLoadPositionFP ?
12039 positionNumber == lastLoadPositionNumber + 1 :
12040 positionNumber == 1) {
12043 DisplayError(_("Can't seek on position file"), 0);
12048 /* See if this file is FEN or old-style xboard */
12049 if (fgets(line, MSG_SIZ, f) == NULL) {
12050 DisplayError(_("Position not found in file"), 0);
12053 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12054 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12057 if (fenMode || line[0] == '#') pn--;
12059 /* skip positions before number pn */
12060 if (fgets(line, MSG_SIZ, f) == NULL) {
12062 DisplayError(_("Position not found in file"), 0);
12065 if (fenMode || line[0] == '#') pn--;
12070 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12071 DisplayError(_("Bad FEN position in file"), 0);
12075 (void) fgets(line, MSG_SIZ, f);
12076 (void) fgets(line, MSG_SIZ, f);
12078 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12079 (void) fgets(line, MSG_SIZ, f);
12080 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12083 initial_position[i][j++] = CharToPiece(*p);
12087 blackPlaysFirst = FALSE;
12089 (void) fgets(line, MSG_SIZ, f);
12090 if (strncmp(line, "black", strlen("black"))==0)
12091 blackPlaysFirst = TRUE;
12094 startedFromSetupPosition = TRUE;
12096 CopyBoard(boards[0], initial_position);
12097 if (blackPlaysFirst) {
12098 currentMove = forwardMostMove = backwardMostMove = 1;
12099 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12100 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12101 CopyBoard(boards[1], initial_position);
12102 DisplayMessage("", _("Black to play"));
12104 currentMove = forwardMostMove = backwardMostMove = 0;
12105 DisplayMessage("", _("White to play"));
12107 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12108 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12109 SendToProgram("force\n", &first);
12110 SendBoard(&first, forwardMostMove);
12112 if (appData.debugMode) {
12114 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12115 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12116 fprintf(debugFP, "Load Position\n");
12119 if (positionNumber > 1) {
12120 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12121 DisplayTitle(line);
12123 DisplayTitle(title);
12125 gameMode = EditGame;
12128 timeRemaining[0][1] = whiteTimeRemaining;
12129 timeRemaining[1][1] = blackTimeRemaining;
12130 DrawPosition(FALSE, boards[currentMove]);
12137 CopyPlayerNameIntoFileName(dest, src)
12140 while (*src != NULLCHAR && *src != ',') {
12145 *(*dest)++ = *src++;
12150 char *DefaultFileName(ext)
12153 static char def[MSG_SIZ];
12156 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12158 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12160 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12162 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12169 /* Save the current game to the given file */
12171 SaveGameToFile(filename, append)
12177 int result, i, t,tot=0;
12179 if (strcmp(filename, "-") == 0) {
12180 return SaveGame(stdout, 0, NULL);
12182 for(i=0; i<10; i++) { // upto 10 tries
12183 f = fopen(filename, append ? "a" : "w");
12184 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12185 if(f || errno != 13) break;
12186 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12190 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12191 DisplayError(buf, errno);
12194 safeStrCpy(buf, lastMsg, MSG_SIZ);
12195 DisplayMessage(_("Waiting for access to save file"), "");
12196 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12197 DisplayMessage(_("Saving game"), "");
12198 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
12199 result = SaveGame(f, 0, NULL);
12200 DisplayMessage(buf, "");
12210 static char buf[MSG_SIZ];
12213 p = strchr(str, ' ');
12214 if (p == NULL) return str;
12215 strncpy(buf, str, p - str);
12216 buf[p - str] = NULLCHAR;
12220 #define PGN_MAX_LINE 75
12222 #define PGN_SIDE_WHITE 0
12223 #define PGN_SIDE_BLACK 1
12226 static int FindFirstMoveOutOfBook( int side )
12230 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12231 int index = backwardMostMove;
12232 int has_book_hit = 0;
12234 if( (index % 2) != side ) {
12238 while( index < forwardMostMove ) {
12239 /* Check to see if engine is in book */
12240 int depth = pvInfoList[index].depth;
12241 int score = pvInfoList[index].score;
12247 else if( score == 0 && depth == 63 ) {
12248 in_book = 1; /* Zappa */
12250 else if( score == 2 && depth == 99 ) {
12251 in_book = 1; /* Abrok */
12254 has_book_hit += in_book;
12270 void GetOutOfBookInfo( char * buf )
12274 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12276 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12277 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12281 if( oob[0] >= 0 || oob[1] >= 0 ) {
12282 for( i=0; i<2; i++ ) {
12286 if( i > 0 && oob[0] >= 0 ) {
12287 strcat( buf, " " );
12290 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12291 sprintf( buf+strlen(buf), "%s%.2f",
12292 pvInfoList[idx].score >= 0 ? "+" : "",
12293 pvInfoList[idx].score / 100.0 );
12299 /* Save game in PGN style and close the file */
12304 int i, offset, linelen, newblock;
12308 int movelen, numlen, blank;
12309 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12311 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12313 tm = time((time_t *) NULL);
12315 PrintPGNTags(f, &gameInfo);
12317 if (backwardMostMove > 0 || startedFromSetupPosition) {
12318 char *fen = PositionToFEN(backwardMostMove, NULL);
12319 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12320 fprintf(f, "\n{--------------\n");
12321 PrintPosition(f, backwardMostMove);
12322 fprintf(f, "--------------}\n");
12326 /* [AS] Out of book annotation */
12327 if( appData.saveOutOfBookInfo ) {
12330 GetOutOfBookInfo( buf );
12332 if( buf[0] != '\0' ) {
12333 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12340 i = backwardMostMove;
12344 while (i < forwardMostMove) {
12345 /* Print comments preceding this move */
12346 if (commentList[i] != NULL) {
12347 if (linelen > 0) fprintf(f, "\n");
12348 fprintf(f, "%s", commentList[i]);
12353 /* Format move number */
12355 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12358 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12360 numtext[0] = NULLCHAR;
12362 numlen = strlen(numtext);
12365 /* Print move number */
12366 blank = linelen > 0 && numlen > 0;
12367 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12376 fprintf(f, "%s", numtext);
12380 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12381 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12384 blank = linelen > 0 && movelen > 0;
12385 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12394 fprintf(f, "%s", move_buffer);
12395 linelen += movelen;
12397 /* [AS] Add PV info if present */
12398 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12399 /* [HGM] add time */
12400 char buf[MSG_SIZ]; int seconds;
12402 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12408 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12411 seconds = (seconds + 4)/10; // round to full seconds
12413 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12415 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12418 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12419 pvInfoList[i].score >= 0 ? "+" : "",
12420 pvInfoList[i].score / 100.0,
12421 pvInfoList[i].depth,
12424 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12426 /* Print score/depth */
12427 blank = linelen > 0 && movelen > 0;
12428 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12437 fprintf(f, "%s", move_buffer);
12438 linelen += movelen;
12444 /* Start a new line */
12445 if (linelen > 0) fprintf(f, "\n");
12447 /* Print comments after last move */
12448 if (commentList[i] != NULL) {
12449 fprintf(f, "%s\n", commentList[i]);
12453 if (gameInfo.resultDetails != NULL &&
12454 gameInfo.resultDetails[0] != NULLCHAR) {
12455 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12456 PGNResult(gameInfo.result));
12458 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12462 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12466 /* Save game in old style and close the file */
12468 SaveGameOldStyle(f)
12474 tm = time((time_t *) NULL);
12476 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12479 if (backwardMostMove > 0 || startedFromSetupPosition) {
12480 fprintf(f, "\n[--------------\n");
12481 PrintPosition(f, backwardMostMove);
12482 fprintf(f, "--------------]\n");
12487 i = backwardMostMove;
12488 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12490 while (i < forwardMostMove) {
12491 if (commentList[i] != NULL) {
12492 fprintf(f, "[%s]\n", commentList[i]);
12495 if ((i % 2) == 1) {
12496 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12499 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12501 if (commentList[i] != NULL) {
12505 if (i >= forwardMostMove) {
12509 fprintf(f, "%s\n", parseList[i]);
12514 if (commentList[i] != NULL) {
12515 fprintf(f, "[%s]\n", commentList[i]);
12518 /* This isn't really the old style, but it's close enough */
12519 if (gameInfo.resultDetails != NULL &&
12520 gameInfo.resultDetails[0] != NULLCHAR) {
12521 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12522 gameInfo.resultDetails);
12524 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12531 /* Save the current game to open file f and close the file */
12533 SaveGame(f, dummy, dummy2)
12538 if (gameMode == EditPosition) EditPositionDone(TRUE);
12539 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12540 if (appData.oldSaveStyle)
12541 return SaveGameOldStyle(f);
12543 return SaveGamePGN(f);
12546 /* Save the current position to the given file */
12548 SavePositionToFile(filename)
12554 if (strcmp(filename, "-") == 0) {
12555 return SavePosition(stdout, 0, NULL);
12557 f = fopen(filename, "a");
12559 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12560 DisplayError(buf, errno);
12563 safeStrCpy(buf, lastMsg, MSG_SIZ);
12564 DisplayMessage(_("Waiting for access to save file"), "");
12565 flock(fileno(f), LOCK_EX); // [HGM] lock
12566 DisplayMessage(_("Saving position"), "");
12567 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12568 SavePosition(f, 0, NULL);
12569 DisplayMessage(buf, "");
12575 /* Save the current position to the given open file and close the file */
12577 SavePosition(f, dummy, dummy2)
12585 if (gameMode == EditPosition) EditPositionDone(TRUE);
12586 if (appData.oldSaveStyle) {
12587 tm = time((time_t *) NULL);
12589 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12591 fprintf(f, "[--------------\n");
12592 PrintPosition(f, currentMove);
12593 fprintf(f, "--------------]\n");
12595 fen = PositionToFEN(currentMove, NULL);
12596 fprintf(f, "%s\n", fen);
12604 ReloadCmailMsgEvent(unregister)
12608 static char *inFilename = NULL;
12609 static char *outFilename;
12611 struct stat inbuf, outbuf;
12614 /* Any registered moves are unregistered if unregister is set, */
12615 /* i.e. invoked by the signal handler */
12617 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12618 cmailMoveRegistered[i] = FALSE;
12619 if (cmailCommentList[i] != NULL) {
12620 free(cmailCommentList[i]);
12621 cmailCommentList[i] = NULL;
12624 nCmailMovesRegistered = 0;
12627 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12628 cmailResult[i] = CMAIL_NOT_RESULT;
12632 if (inFilename == NULL) {
12633 /* Because the filenames are static they only get malloced once */
12634 /* and they never get freed */
12635 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12636 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12638 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12639 sprintf(outFilename, "%s.out", appData.cmailGameName);
12642 status = stat(outFilename, &outbuf);
12644 cmailMailedMove = FALSE;
12646 status = stat(inFilename, &inbuf);
12647 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12650 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12651 counts the games, notes how each one terminated, etc.
12653 It would be nice to remove this kludge and instead gather all
12654 the information while building the game list. (And to keep it
12655 in the game list nodes instead of having a bunch of fixed-size
12656 parallel arrays.) Note this will require getting each game's
12657 termination from the PGN tags, as the game list builder does
12658 not process the game moves. --mann
12660 cmailMsgLoaded = TRUE;
12661 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12663 /* Load first game in the file or popup game menu */
12664 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12666 #endif /* !WIN32 */
12674 char string[MSG_SIZ];
12676 if ( cmailMailedMove
12677 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12678 return TRUE; /* Allow free viewing */
12681 /* Unregister move to ensure that we don't leave RegisterMove */
12682 /* with the move registered when the conditions for registering no */
12684 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12685 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12686 nCmailMovesRegistered --;
12688 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12690 free(cmailCommentList[lastLoadGameNumber - 1]);
12691 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12695 if (cmailOldMove == -1) {
12696 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12700 if (currentMove > cmailOldMove + 1) {
12701 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12705 if (currentMove < cmailOldMove) {
12706 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12710 if (forwardMostMove > currentMove) {
12711 /* Silently truncate extra moves */
12715 if ( (currentMove == cmailOldMove + 1)
12716 || ( (currentMove == cmailOldMove)
12717 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12718 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12719 if (gameInfo.result != GameUnfinished) {
12720 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12723 if (commentList[currentMove] != NULL) {
12724 cmailCommentList[lastLoadGameNumber - 1]
12725 = StrSave(commentList[currentMove]);
12727 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12729 if (appData.debugMode)
12730 fprintf(debugFP, "Saving %s for game %d\n",
12731 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12733 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12735 f = fopen(string, "w");
12736 if (appData.oldSaveStyle) {
12737 SaveGameOldStyle(f); /* also closes the file */
12739 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12740 f = fopen(string, "w");
12741 SavePosition(f, 0, NULL); /* also closes the file */
12743 fprintf(f, "{--------------\n");
12744 PrintPosition(f, currentMove);
12745 fprintf(f, "--------------}\n\n");
12747 SaveGame(f, 0, NULL); /* also closes the file*/
12750 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12751 nCmailMovesRegistered ++;
12752 } else if (nCmailGames == 1) {
12753 DisplayError(_("You have not made a move yet"), 0);
12764 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12765 FILE *commandOutput;
12766 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12767 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12773 if (! cmailMsgLoaded) {
12774 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12778 if (nCmailGames == nCmailResults) {
12779 DisplayError(_("No unfinished games"), 0);
12783 #if CMAIL_PROHIBIT_REMAIL
12784 if (cmailMailedMove) {
12785 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);
12786 DisplayError(msg, 0);
12791 if (! (cmailMailedMove || RegisterMove())) return;
12793 if ( cmailMailedMove
12794 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12795 snprintf(string, MSG_SIZ, partCommandString,
12796 appData.debugMode ? " -v" : "", appData.cmailGameName);
12797 commandOutput = popen(string, "r");
12799 if (commandOutput == NULL) {
12800 DisplayError(_("Failed to invoke cmail"), 0);
12802 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12803 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12805 if (nBuffers > 1) {
12806 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12807 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12808 nBytes = MSG_SIZ - 1;
12810 (void) memcpy(msg, buffer, nBytes);
12812 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12814 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12815 cmailMailedMove = TRUE; /* Prevent >1 moves */
12818 for (i = 0; i < nCmailGames; i ++) {
12819 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12824 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12826 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12828 appData.cmailGameName,
12830 LoadGameFromFile(buffer, 1, buffer, FALSE);
12831 cmailMsgLoaded = FALSE;
12835 DisplayInformation(msg);
12836 pclose(commandOutput);
12839 if ((*cmailMsg) != '\0') {
12840 DisplayInformation(cmailMsg);
12845 #endif /* !WIN32 */
12854 int prependComma = 0;
12856 char string[MSG_SIZ]; /* Space for game-list */
12859 if (!cmailMsgLoaded) return "";
12861 if (cmailMailedMove) {
12862 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12864 /* Create a list of games left */
12865 snprintf(string, MSG_SIZ, "[");
12866 for (i = 0; i < nCmailGames; i ++) {
12867 if (! ( cmailMoveRegistered[i]
12868 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12869 if (prependComma) {
12870 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12872 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12876 strcat(string, number);
12879 strcat(string, "]");
12881 if (nCmailMovesRegistered + nCmailResults == 0) {
12882 switch (nCmailGames) {
12884 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12888 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12892 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12897 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12899 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12904 if (nCmailResults == nCmailGames) {
12905 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12907 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12912 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12924 if (gameMode == Training)
12925 SetTrainingModeOff();
12928 cmailMsgLoaded = FALSE;
12929 if (appData.icsActive) {
12930 SendToICS(ics_prefix);
12931 SendToICS("refresh\n");
12941 /* Give up on clean exit */
12945 /* Keep trying for clean exit */
12949 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12951 if (telnetISR != NULL) {
12952 RemoveInputSource(telnetISR);
12954 if (icsPR != NoProc) {
12955 DestroyChildProcess(icsPR, TRUE);
12958 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12959 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12961 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12962 /* make sure this other one finishes before killing it! */
12963 if(endingGame) { int count = 0;
12964 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12965 while(endingGame && count++ < 10) DoSleep(1);
12966 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12969 /* Kill off chess programs */
12970 if (first.pr != NoProc) {
12973 DoSleep( appData.delayBeforeQuit );
12974 SendToProgram("quit\n", &first);
12975 DoSleep( appData.delayAfterQuit );
12976 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12978 if (second.pr != NoProc) {
12979 DoSleep( appData.delayBeforeQuit );
12980 SendToProgram("quit\n", &second);
12981 DoSleep( appData.delayAfterQuit );
12982 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12984 if (first.isr != NULL) {
12985 RemoveInputSource(first.isr);
12987 if (second.isr != NULL) {
12988 RemoveInputSource(second.isr);
12991 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12992 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12994 ShutDownFrontEnd();
13001 if (appData.debugMode)
13002 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13006 if (gameMode == MachinePlaysWhite ||
13007 gameMode == MachinePlaysBlack) {
13010 DisplayBothClocks();
13012 if (gameMode == PlayFromGameFile) {
13013 if (appData.timeDelay >= 0)
13014 AutoPlayGameLoop();
13015 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13016 Reset(FALSE, TRUE);
13017 SendToICS(ics_prefix);
13018 SendToICS("refresh\n");
13019 } else if (currentMove < forwardMostMove) {
13020 ForwardInner(forwardMostMove);
13022 pauseExamInvalid = FALSE;
13024 switch (gameMode) {
13028 pauseExamForwardMostMove = forwardMostMove;
13029 pauseExamInvalid = FALSE;
13032 case IcsPlayingWhite:
13033 case IcsPlayingBlack:
13037 case PlayFromGameFile:
13038 (void) StopLoadGameTimer();
13042 case BeginningOfGame:
13043 if (appData.icsActive) return;
13044 /* else fall through */
13045 case MachinePlaysWhite:
13046 case MachinePlaysBlack:
13047 case TwoMachinesPlay:
13048 if (forwardMostMove == 0)
13049 return; /* don't pause if no one has moved */
13050 if ((gameMode == MachinePlaysWhite &&
13051 !WhiteOnMove(forwardMostMove)) ||
13052 (gameMode == MachinePlaysBlack &&
13053 WhiteOnMove(forwardMostMove))) {
13066 char title[MSG_SIZ];
13068 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13069 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13071 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13072 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13073 parseList[currentMove - 1]);
13076 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13083 char *tags = PGNTags(&gameInfo);
13085 EditTagsPopUp(tags, NULL);
13092 if (appData.noChessProgram || gameMode == AnalyzeMode)
13095 if (gameMode != AnalyzeFile) {
13096 if (!appData.icsEngineAnalyze) {
13098 if (gameMode != EditGame) return;
13100 ResurrectChessProgram();
13101 SendToProgram("analyze\n", &first);
13102 first.analyzing = TRUE;
13103 /*first.maybeThinking = TRUE;*/
13104 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13105 EngineOutputPopUp();
13107 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13112 StartAnalysisClock();
13113 GetTimeMark(&lastNodeCountTime);
13120 if (appData.noChessProgram || gameMode == AnalyzeFile)
13123 if (gameMode != AnalyzeMode) {
13125 if (gameMode != EditGame) return;
13126 ResurrectChessProgram();
13127 SendToProgram("analyze\n", &first);
13128 first.analyzing = TRUE;
13129 /*first.maybeThinking = TRUE;*/
13130 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13131 EngineOutputPopUp();
13133 gameMode = AnalyzeFile;
13138 StartAnalysisClock();
13139 GetTimeMark(&lastNodeCountTime);
13141 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13145 MachineWhiteEvent()
13148 char *bookHit = NULL;
13150 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13154 if (gameMode == PlayFromGameFile ||
13155 gameMode == TwoMachinesPlay ||
13156 gameMode == Training ||
13157 gameMode == AnalyzeMode ||
13158 gameMode == EndOfGame)
13161 if (gameMode == EditPosition)
13162 EditPositionDone(TRUE);
13164 if (!WhiteOnMove(currentMove)) {
13165 DisplayError(_("It is not White's turn"), 0);
13169 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13172 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13173 gameMode == AnalyzeFile)
13176 ResurrectChessProgram(); /* in case it isn't running */
13177 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13178 gameMode = MachinePlaysWhite;
13181 gameMode = MachinePlaysWhite;
13185 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13187 if (first.sendName) {
13188 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13189 SendToProgram(buf, &first);
13191 if (first.sendTime) {
13192 if (first.useColors) {
13193 SendToProgram("black\n", &first); /*gnu kludge*/
13195 SendTimeRemaining(&first, TRUE);
13197 if (first.useColors) {
13198 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13200 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13201 SetMachineThinkingEnables();
13202 first.maybeThinking = TRUE;
13206 if (appData.autoFlipView && !flipView) {
13207 flipView = !flipView;
13208 DrawPosition(FALSE, NULL);
13209 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13212 if(bookHit) { // [HGM] book: simulate book reply
13213 static char bookMove[MSG_SIZ]; // a bit generous?
13215 programStats.nodes = programStats.depth = programStats.time =
13216 programStats.score = programStats.got_only_move = 0;
13217 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13219 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13220 strcat(bookMove, bookHit);
13221 HandleMachineMove(bookMove, &first);
13226 MachineBlackEvent()
13229 char *bookHit = NULL;
13231 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13235 if (gameMode == PlayFromGameFile ||
13236 gameMode == TwoMachinesPlay ||
13237 gameMode == Training ||
13238 gameMode == AnalyzeMode ||
13239 gameMode == EndOfGame)
13242 if (gameMode == EditPosition)
13243 EditPositionDone(TRUE);
13245 if (WhiteOnMove(currentMove)) {
13246 DisplayError(_("It is not Black's turn"), 0);
13250 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13253 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13254 gameMode == AnalyzeFile)
13257 ResurrectChessProgram(); /* in case it isn't running */
13258 gameMode = MachinePlaysBlack;
13262 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13264 if (first.sendName) {
13265 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13266 SendToProgram(buf, &first);
13268 if (first.sendTime) {
13269 if (first.useColors) {
13270 SendToProgram("white\n", &first); /*gnu kludge*/
13272 SendTimeRemaining(&first, FALSE);
13274 if (first.useColors) {
13275 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13277 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13278 SetMachineThinkingEnables();
13279 first.maybeThinking = TRUE;
13282 if (appData.autoFlipView && flipView) {
13283 flipView = !flipView;
13284 DrawPosition(FALSE, NULL);
13285 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13287 if(bookHit) { // [HGM] book: simulate book reply
13288 static char bookMove[MSG_SIZ]; // a bit generous?
13290 programStats.nodes = programStats.depth = programStats.time =
13291 programStats.score = programStats.got_only_move = 0;
13292 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13294 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13295 strcat(bookMove, bookHit);
13296 HandleMachineMove(bookMove, &first);
13302 DisplayTwoMachinesTitle()
13305 if (appData.matchGames > 0) {
13306 if(appData.tourneyFile[0]) {
13307 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
13308 gameInfo.white, gameInfo.black,
13309 nextGame+1, appData.matchGames+1,
13310 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13312 if (first.twoMachinesColor[0] == 'w') {
13313 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13314 gameInfo.white, gameInfo.black,
13315 first.matchWins, second.matchWins,
13316 matchGame - 1 - (first.matchWins + second.matchWins));
13318 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13319 gameInfo.white, gameInfo.black,
13320 second.matchWins, first.matchWins,
13321 matchGame - 1 - (first.matchWins + second.matchWins));
13324 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13330 SettingsMenuIfReady()
13332 if (second.lastPing != second.lastPong) {
13333 DisplayMessage("", _("Waiting for second chess program"));
13334 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13338 DisplayMessage("", "");
13339 SettingsPopUp(&second);
13343 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13346 if (cps->pr == NoProc) {
13347 StartChessProgram(cps);
13348 if (cps->protocolVersion == 1) {
13351 /* kludge: allow timeout for initial "feature" command */
13353 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13354 DisplayMessage("", buf);
13355 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13363 TwoMachinesEvent P((void))
13367 ChessProgramState *onmove;
13368 char *bookHit = NULL;
13369 static int stalling = 0;
13373 if (appData.noChessProgram) return;
13375 switch (gameMode) {
13376 case TwoMachinesPlay:
13378 case MachinePlaysWhite:
13379 case MachinePlaysBlack:
13380 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13381 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13385 case BeginningOfGame:
13386 case PlayFromGameFile:
13389 if (gameMode != EditGame) return;
13392 EditPositionDone(TRUE);
13403 // forwardMostMove = currentMove;
13404 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13406 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13408 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13409 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13410 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13414 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13415 SendToProgram("force\n", &second);
13417 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13420 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13421 if(appData.matchPause>10000 || appData.matchPause<10)
13422 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13423 wait = SubtractTimeMarks(&now, &pauseStart);
13424 if(wait < appData.matchPause) {
13425 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13429 DisplayMessage("", "");
13430 if (startedFromSetupPosition) {
13431 SendBoard(&second, backwardMostMove);
13432 if (appData.debugMode) {
13433 fprintf(debugFP, "Two Machines\n");
13436 for (i = backwardMostMove; i < forwardMostMove; i++) {
13437 SendMoveToProgram(i, &second);
13440 gameMode = TwoMachinesPlay;
13442 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13444 DisplayTwoMachinesTitle();
13446 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13451 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13452 SendToProgram(first.computerString, &first);
13453 if (first.sendName) {
13454 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13455 SendToProgram(buf, &first);
13457 SendToProgram(second.computerString, &second);
13458 if (second.sendName) {
13459 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13460 SendToProgram(buf, &second);
13464 if (!first.sendTime || !second.sendTime) {
13465 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13466 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13468 if (onmove->sendTime) {
13469 if (onmove->useColors) {
13470 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13472 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13474 if (onmove->useColors) {
13475 SendToProgram(onmove->twoMachinesColor, onmove);
13477 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13478 // SendToProgram("go\n", onmove);
13479 onmove->maybeThinking = TRUE;
13480 SetMachineThinkingEnables();
13484 if(bookHit) { // [HGM] book: simulate book reply
13485 static char bookMove[MSG_SIZ]; // a bit generous?
13487 programStats.nodes = programStats.depth = programStats.time =
13488 programStats.score = programStats.got_only_move = 0;
13489 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13491 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13492 strcat(bookMove, bookHit);
13493 savedMessage = bookMove; // args for deferred call
13494 savedState = onmove;
13495 ScheduleDelayedEvent(DeferredBookMove, 1);
13502 if (gameMode == Training) {
13503 SetTrainingModeOff();
13504 gameMode = PlayFromGameFile;
13505 DisplayMessage("", _("Training mode off"));
13507 gameMode = Training;
13508 animateTraining = appData.animate;
13510 /* make sure we are not already at the end of the game */
13511 if (currentMove < forwardMostMove) {
13512 SetTrainingModeOn();
13513 DisplayMessage("", _("Training mode on"));
13515 gameMode = PlayFromGameFile;
13516 DisplayError(_("Already at end of game"), 0);
13525 if (!appData.icsActive) return;
13526 switch (gameMode) {
13527 case IcsPlayingWhite:
13528 case IcsPlayingBlack:
13531 case BeginningOfGame:
13539 EditPositionDone(TRUE);
13552 gameMode = IcsIdle;
13563 switch (gameMode) {
13565 SetTrainingModeOff();
13567 case MachinePlaysWhite:
13568 case MachinePlaysBlack:
13569 case BeginningOfGame:
13570 SendToProgram("force\n", &first);
13571 SetUserThinkingEnables();
13573 case PlayFromGameFile:
13574 (void) StopLoadGameTimer();
13575 if (gameFileFP != NULL) {
13580 EditPositionDone(TRUE);
13585 SendToProgram("force\n", &first);
13587 case TwoMachinesPlay:
13588 GameEnds(EndOfFile, NULL, GE_PLAYER);
13589 ResurrectChessProgram();
13590 SetUserThinkingEnables();
13593 ResurrectChessProgram();
13595 case IcsPlayingBlack:
13596 case IcsPlayingWhite:
13597 DisplayError(_("Warning: You are still playing a game"), 0);
13600 DisplayError(_("Warning: You are still observing a game"), 0);
13603 DisplayError(_("Warning: You are still examining a game"), 0);
13614 first.offeredDraw = second.offeredDraw = 0;
13616 if (gameMode == PlayFromGameFile) {
13617 whiteTimeRemaining = timeRemaining[0][currentMove];
13618 blackTimeRemaining = timeRemaining[1][currentMove];
13622 if (gameMode == MachinePlaysWhite ||
13623 gameMode == MachinePlaysBlack ||
13624 gameMode == TwoMachinesPlay ||
13625 gameMode == EndOfGame) {
13626 i = forwardMostMove;
13627 while (i > currentMove) {
13628 SendToProgram("undo\n", &first);
13631 if(!adjustedClock) {
13632 whiteTimeRemaining = timeRemaining[0][currentMove];
13633 blackTimeRemaining = timeRemaining[1][currentMove];
13634 DisplayBothClocks();
13636 if (whiteFlag || blackFlag) {
13637 whiteFlag = blackFlag = 0;
13642 gameMode = EditGame;
13649 EditPositionEvent()
13651 if (gameMode == EditPosition) {
13657 if (gameMode != EditGame) return;
13659 gameMode = EditPosition;
13662 if (currentMove > 0)
13663 CopyBoard(boards[0], boards[currentMove]);
13665 blackPlaysFirst = !WhiteOnMove(currentMove);
13667 currentMove = forwardMostMove = backwardMostMove = 0;
13668 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13675 /* [DM] icsEngineAnalyze - possible call from other functions */
13676 if (appData.icsEngineAnalyze) {
13677 appData.icsEngineAnalyze = FALSE;
13679 DisplayMessage("",_("Close ICS engine analyze..."));
13681 if (first.analysisSupport && first.analyzing) {
13682 SendToProgram("exit\n", &first);
13683 first.analyzing = FALSE;
13685 thinkOutput[0] = NULLCHAR;
13689 EditPositionDone(Boolean fakeRights)
13691 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13693 startedFromSetupPosition = TRUE;
13694 InitChessProgram(&first, FALSE);
13695 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13696 boards[0][EP_STATUS] = EP_NONE;
13697 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13698 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13699 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13700 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13701 } else boards[0][CASTLING][2] = NoRights;
13702 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13703 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13704 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13705 } else boards[0][CASTLING][5] = NoRights;
13707 SendToProgram("force\n", &first);
13708 if (blackPlaysFirst) {
13709 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13710 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13711 currentMove = forwardMostMove = backwardMostMove = 1;
13712 CopyBoard(boards[1], boards[0]);
13714 currentMove = forwardMostMove = backwardMostMove = 0;
13716 SendBoard(&first, forwardMostMove);
13717 if (appData.debugMode) {
13718 fprintf(debugFP, "EditPosDone\n");
13721 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13722 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13723 gameMode = EditGame;
13725 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13726 ClearHighlights(); /* [AS] */
13729 /* Pause for `ms' milliseconds */
13730 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13740 } while (SubtractTimeMarks(&m2, &m1) < ms);
13743 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13745 SendMultiLineToICS(buf)
13748 char temp[MSG_SIZ+1], *p;
13755 strncpy(temp, buf, len);
13760 if (*p == '\n' || *p == '\r')
13765 strcat(temp, "\n");
13767 SendToPlayer(temp, strlen(temp));
13771 SetWhiteToPlayEvent()
13773 if (gameMode == EditPosition) {
13774 blackPlaysFirst = FALSE;
13775 DisplayBothClocks(); /* works because currentMove is 0 */
13776 } else if (gameMode == IcsExamining) {
13777 SendToICS(ics_prefix);
13778 SendToICS("tomove white\n");
13783 SetBlackToPlayEvent()
13785 if (gameMode == EditPosition) {
13786 blackPlaysFirst = TRUE;
13787 currentMove = 1; /* kludge */
13788 DisplayBothClocks();
13790 } else if (gameMode == IcsExamining) {
13791 SendToICS(ics_prefix);
13792 SendToICS("tomove black\n");
13797 EditPositionMenuEvent(selection, x, y)
13798 ChessSquare selection;
13802 ChessSquare piece = boards[0][y][x];
13804 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13806 switch (selection) {
13808 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13809 SendToICS(ics_prefix);
13810 SendToICS("bsetup clear\n");
13811 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13812 SendToICS(ics_prefix);
13813 SendToICS("clearboard\n");
13815 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13816 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13817 for (y = 0; y < BOARD_HEIGHT; y++) {
13818 if (gameMode == IcsExamining) {
13819 if (boards[currentMove][y][x] != EmptySquare) {
13820 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13825 boards[0][y][x] = p;
13830 if (gameMode == EditPosition) {
13831 DrawPosition(FALSE, boards[0]);
13836 SetWhiteToPlayEvent();
13840 SetBlackToPlayEvent();
13844 if (gameMode == IcsExamining) {
13845 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13846 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13849 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13850 if(x == BOARD_LEFT-2) {
13851 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13852 boards[0][y][1] = 0;
13854 if(x == BOARD_RGHT+1) {
13855 if(y >= gameInfo.holdingsSize) break;
13856 boards[0][y][BOARD_WIDTH-2] = 0;
13859 boards[0][y][x] = EmptySquare;
13860 DrawPosition(FALSE, boards[0]);
13865 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13866 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13867 selection = (ChessSquare) (PROMOTED piece);
13868 } else if(piece == EmptySquare) selection = WhiteSilver;
13869 else selection = (ChessSquare)((int)piece - 1);
13873 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13874 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13875 selection = (ChessSquare) (DEMOTED piece);
13876 } else if(piece == EmptySquare) selection = BlackSilver;
13877 else selection = (ChessSquare)((int)piece + 1);
13882 if(gameInfo.variant == VariantShatranj ||
13883 gameInfo.variant == VariantXiangqi ||
13884 gameInfo.variant == VariantCourier ||
13885 gameInfo.variant == VariantMakruk )
13886 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13891 if(gameInfo.variant == VariantXiangqi)
13892 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13893 if(gameInfo.variant == VariantKnightmate)
13894 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13897 if (gameMode == IcsExamining) {
13898 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13899 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13900 PieceToChar(selection), AAA + x, ONE + y);
13903 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13905 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13906 n = PieceToNumber(selection - BlackPawn);
13907 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13908 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13909 boards[0][BOARD_HEIGHT-1-n][1]++;
13911 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13912 n = PieceToNumber(selection);
13913 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13914 boards[0][n][BOARD_WIDTH-1] = selection;
13915 boards[0][n][BOARD_WIDTH-2]++;
13918 boards[0][y][x] = selection;
13919 DrawPosition(TRUE, boards[0]);
13927 DropMenuEvent(selection, x, y)
13928 ChessSquare selection;
13931 ChessMove moveType;
13933 switch (gameMode) {
13934 case IcsPlayingWhite:
13935 case MachinePlaysBlack:
13936 if (!WhiteOnMove(currentMove)) {
13937 DisplayMoveError(_("It is Black's turn"));
13940 moveType = WhiteDrop;
13942 case IcsPlayingBlack:
13943 case MachinePlaysWhite:
13944 if (WhiteOnMove(currentMove)) {
13945 DisplayMoveError(_("It is White's turn"));
13948 moveType = BlackDrop;
13951 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13957 if (moveType == BlackDrop && selection < BlackPawn) {
13958 selection = (ChessSquare) ((int) selection
13959 + (int) BlackPawn - (int) WhitePawn);
13961 if (boards[currentMove][y][x] != EmptySquare) {
13962 DisplayMoveError(_("That square is occupied"));
13966 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13972 /* Accept a pending offer of any kind from opponent */
13974 if (appData.icsActive) {
13975 SendToICS(ics_prefix);
13976 SendToICS("accept\n");
13977 } else if (cmailMsgLoaded) {
13978 if (currentMove == cmailOldMove &&
13979 commentList[cmailOldMove] != NULL &&
13980 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13981 "Black offers a draw" : "White offers a draw")) {
13983 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13984 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13986 DisplayError(_("There is no pending offer on this move"), 0);
13987 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13990 /* Not used for offers from chess program */
13997 /* Decline a pending offer of any kind from opponent */
13999 if (appData.icsActive) {
14000 SendToICS(ics_prefix);
14001 SendToICS("decline\n");
14002 } else if (cmailMsgLoaded) {
14003 if (currentMove == cmailOldMove &&
14004 commentList[cmailOldMove] != NULL &&
14005 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14006 "Black offers a draw" : "White offers a draw")) {
14008 AppendComment(cmailOldMove, "Draw declined", TRUE);
14009 DisplayComment(cmailOldMove - 1, "Draw declined");
14012 DisplayError(_("There is no pending offer on this move"), 0);
14015 /* Not used for offers from chess program */
14022 /* Issue ICS rematch command */
14023 if (appData.icsActive) {
14024 SendToICS(ics_prefix);
14025 SendToICS("rematch\n");
14032 /* Call your opponent's flag (claim a win on time) */
14033 if (appData.icsActive) {
14034 SendToICS(ics_prefix);
14035 SendToICS("flag\n");
14037 switch (gameMode) {
14040 case MachinePlaysWhite:
14043 GameEnds(GameIsDrawn, "Both players ran out of time",
14046 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14048 DisplayError(_("Your opponent is not out of time"), 0);
14051 case MachinePlaysBlack:
14054 GameEnds(GameIsDrawn, "Both players ran out of time",
14057 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14059 DisplayError(_("Your opponent is not out of time"), 0);
14067 ClockClick(int which)
14068 { // [HGM] code moved to back-end from winboard.c
14069 if(which) { // black clock
14070 if (gameMode == EditPosition || gameMode == IcsExamining) {
14071 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14072 SetBlackToPlayEvent();
14073 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14074 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14075 } else if (shiftKey) {
14076 AdjustClock(which, -1);
14077 } else if (gameMode == IcsPlayingWhite ||
14078 gameMode == MachinePlaysBlack) {
14081 } else { // white clock
14082 if (gameMode == EditPosition || gameMode == IcsExamining) {
14083 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14084 SetWhiteToPlayEvent();
14085 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14086 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14087 } else if (shiftKey) {
14088 AdjustClock(which, -1);
14089 } else if (gameMode == IcsPlayingBlack ||
14090 gameMode == MachinePlaysWhite) {
14099 /* Offer draw or accept pending draw offer from opponent */
14101 if (appData.icsActive) {
14102 /* Note: tournament rules require draw offers to be
14103 made after you make your move but before you punch
14104 your clock. Currently ICS doesn't let you do that;
14105 instead, you immediately punch your clock after making
14106 a move, but you can offer a draw at any time. */
14108 SendToICS(ics_prefix);
14109 SendToICS("draw\n");
14110 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14111 } else if (cmailMsgLoaded) {
14112 if (currentMove == cmailOldMove &&
14113 commentList[cmailOldMove] != NULL &&
14114 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14115 "Black offers a draw" : "White offers a draw")) {
14116 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14117 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14118 } else if (currentMove == cmailOldMove + 1) {
14119 char *offer = WhiteOnMove(cmailOldMove) ?
14120 "White offers a draw" : "Black offers a draw";
14121 AppendComment(currentMove, offer, TRUE);
14122 DisplayComment(currentMove - 1, offer);
14123 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14125 DisplayError(_("You must make your move before offering a draw"), 0);
14126 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14128 } else if (first.offeredDraw) {
14129 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14131 if (first.sendDrawOffers) {
14132 SendToProgram("draw\n", &first);
14133 userOfferedDraw = TRUE;
14141 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14143 if (appData.icsActive) {
14144 SendToICS(ics_prefix);
14145 SendToICS("adjourn\n");
14147 /* Currently GNU Chess doesn't offer or accept Adjourns */
14155 /* Offer Abort or accept pending Abort offer from opponent */
14157 if (appData.icsActive) {
14158 SendToICS(ics_prefix);
14159 SendToICS("abort\n");
14161 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14168 /* Resign. You can do this even if it's not your turn. */
14170 if (appData.icsActive) {
14171 SendToICS(ics_prefix);
14172 SendToICS("resign\n");
14174 switch (gameMode) {
14175 case MachinePlaysWhite:
14176 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14178 case MachinePlaysBlack:
14179 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14182 if (cmailMsgLoaded) {
14184 if (WhiteOnMove(cmailOldMove)) {
14185 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14187 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14189 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14200 StopObservingEvent()
14202 /* Stop observing current games */
14203 SendToICS(ics_prefix);
14204 SendToICS("unobserve\n");
14208 StopExaminingEvent()
14210 /* Stop observing current game */
14211 SendToICS(ics_prefix);
14212 SendToICS("unexamine\n");
14216 ForwardInner(target)
14221 if (appData.debugMode)
14222 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14223 target, currentMove, forwardMostMove);
14225 if (gameMode == EditPosition)
14228 MarkTargetSquares(1);
14230 if (gameMode == PlayFromGameFile && !pausing)
14233 if (gameMode == IcsExamining && pausing)
14234 limit = pauseExamForwardMostMove;
14236 limit = forwardMostMove;
14238 if (target > limit) target = limit;
14240 if (target > 0 && moveList[target - 1][0]) {
14241 int fromX, fromY, toX, toY;
14242 toX = moveList[target - 1][2] - AAA;
14243 toY = moveList[target - 1][3] - ONE;
14244 if (moveList[target - 1][1] == '@') {
14245 if (appData.highlightLastMove) {
14246 SetHighlights(-1, -1, toX, toY);
14249 fromX = moveList[target - 1][0] - AAA;
14250 fromY = moveList[target - 1][1] - ONE;
14251 if (target == currentMove + 1) {
14252 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14254 if (appData.highlightLastMove) {
14255 SetHighlights(fromX, fromY, toX, toY);
14259 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14260 gameMode == Training || gameMode == PlayFromGameFile ||
14261 gameMode == AnalyzeFile) {
14262 while (currentMove < target) {
14263 SendMoveToProgram(currentMove++, &first);
14266 currentMove = target;
14269 if (gameMode == EditGame || gameMode == EndOfGame) {
14270 whiteTimeRemaining = timeRemaining[0][currentMove];
14271 blackTimeRemaining = timeRemaining[1][currentMove];
14273 DisplayBothClocks();
14274 DisplayMove(currentMove - 1);
14275 DrawPosition(FALSE, boards[currentMove]);
14276 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14277 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14278 DisplayComment(currentMove - 1, commentList[currentMove]);
14286 if (gameMode == IcsExamining && !pausing) {
14287 SendToICS(ics_prefix);
14288 SendToICS("forward\n");
14290 ForwardInner(currentMove + 1);
14297 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14298 /* to optimze, we temporarily turn off analysis mode while we feed
14299 * the remaining moves to the engine. Otherwise we get analysis output
14302 if (first.analysisSupport) {
14303 SendToProgram("exit\nforce\n", &first);
14304 first.analyzing = FALSE;
14308 if (gameMode == IcsExamining && !pausing) {
14309 SendToICS(ics_prefix);
14310 SendToICS("forward 999999\n");
14312 ForwardInner(forwardMostMove);
14315 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14316 /* we have fed all the moves, so reactivate analysis mode */
14317 SendToProgram("analyze\n", &first);
14318 first.analyzing = TRUE;
14319 /*first.maybeThinking = TRUE;*/
14320 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14325 BackwardInner(target)
14328 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14330 if (appData.debugMode)
14331 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14332 target, currentMove, forwardMostMove);
14334 if (gameMode == EditPosition) return;
14335 MarkTargetSquares(1);
14336 if (currentMove <= backwardMostMove) {
14338 DrawPosition(full_redraw, boards[currentMove]);
14341 if (gameMode == PlayFromGameFile && !pausing)
14344 if (moveList[target][0]) {
14345 int fromX, fromY, toX, toY;
14346 toX = moveList[target][2] - AAA;
14347 toY = moveList[target][3] - ONE;
14348 if (moveList[target][1] == '@') {
14349 if (appData.highlightLastMove) {
14350 SetHighlights(-1, -1, toX, toY);
14353 fromX = moveList[target][0] - AAA;
14354 fromY = moveList[target][1] - ONE;
14355 if (target == currentMove - 1) {
14356 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14358 if (appData.highlightLastMove) {
14359 SetHighlights(fromX, fromY, toX, toY);
14363 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14364 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14365 while (currentMove > target) {
14366 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14367 // null move cannot be undone. Reload program with move history before it.
14369 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14370 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14372 SendBoard(&first, i);
14373 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14376 SendToProgram("undo\n", &first);
14380 currentMove = target;
14383 if (gameMode == EditGame || gameMode == EndOfGame) {
14384 whiteTimeRemaining = timeRemaining[0][currentMove];
14385 blackTimeRemaining = timeRemaining[1][currentMove];
14387 DisplayBothClocks();
14388 DisplayMove(currentMove - 1);
14389 DrawPosition(full_redraw, boards[currentMove]);
14390 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14391 // [HGM] PV info: routine tests if comment empty
14392 DisplayComment(currentMove - 1, commentList[currentMove]);
14398 if (gameMode == IcsExamining && !pausing) {
14399 SendToICS(ics_prefix);
14400 SendToICS("backward\n");
14402 BackwardInner(currentMove - 1);
14409 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14410 /* to optimize, we temporarily turn off analysis mode while we undo
14411 * all the moves. Otherwise we get analysis output after each undo.
14413 if (first.analysisSupport) {
14414 SendToProgram("exit\nforce\n", &first);
14415 first.analyzing = FALSE;
14419 if (gameMode == IcsExamining && !pausing) {
14420 SendToICS(ics_prefix);
14421 SendToICS("backward 999999\n");
14423 BackwardInner(backwardMostMove);
14426 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14427 /* we have fed all the moves, so reactivate analysis mode */
14428 SendToProgram("analyze\n", &first);
14429 first.analyzing = TRUE;
14430 /*first.maybeThinking = TRUE;*/
14431 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14438 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14439 if (to >= forwardMostMove) to = forwardMostMove;
14440 if (to <= backwardMostMove) to = backwardMostMove;
14441 if (to < currentMove) {
14449 RevertEvent(Boolean annotate)
14451 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14454 if (gameMode != IcsExamining) {
14455 DisplayError(_("You are not examining a game"), 0);
14459 DisplayError(_("You can't revert while pausing"), 0);
14462 SendToICS(ics_prefix);
14463 SendToICS("revert\n");
14469 switch (gameMode) {
14470 case MachinePlaysWhite:
14471 case MachinePlaysBlack:
14472 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14473 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14476 if (forwardMostMove < 2) return;
14477 currentMove = forwardMostMove = forwardMostMove - 2;
14478 whiteTimeRemaining = timeRemaining[0][currentMove];
14479 blackTimeRemaining = timeRemaining[1][currentMove];
14480 DisplayBothClocks();
14481 DisplayMove(currentMove - 1);
14482 ClearHighlights();/*!! could figure this out*/
14483 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14484 SendToProgram("remove\n", &first);
14485 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14488 case BeginningOfGame:
14492 case IcsPlayingWhite:
14493 case IcsPlayingBlack:
14494 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14495 SendToICS(ics_prefix);
14496 SendToICS("takeback 2\n");
14498 SendToICS(ics_prefix);
14499 SendToICS("takeback 1\n");
14508 ChessProgramState *cps;
14510 switch (gameMode) {
14511 case MachinePlaysWhite:
14512 if (!WhiteOnMove(forwardMostMove)) {
14513 DisplayError(_("It is your turn"), 0);
14518 case MachinePlaysBlack:
14519 if (WhiteOnMove(forwardMostMove)) {
14520 DisplayError(_("It is your turn"), 0);
14525 case TwoMachinesPlay:
14526 if (WhiteOnMove(forwardMostMove) ==
14527 (first.twoMachinesColor[0] == 'w')) {
14533 case BeginningOfGame:
14537 SendToProgram("?\n", cps);
14541 TruncateGameEvent()
14544 if (gameMode != EditGame) return;
14551 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14552 if (forwardMostMove > currentMove) {
14553 if (gameInfo.resultDetails != NULL) {
14554 free(gameInfo.resultDetails);
14555 gameInfo.resultDetails = NULL;
14556 gameInfo.result = GameUnfinished;
14558 forwardMostMove = currentMove;
14559 HistorySet(parseList, backwardMostMove, forwardMostMove,
14567 if (appData.noChessProgram) return;
14568 switch (gameMode) {
14569 case MachinePlaysWhite:
14570 if (WhiteOnMove(forwardMostMove)) {
14571 DisplayError(_("Wait until your turn"), 0);
14575 case BeginningOfGame:
14576 case MachinePlaysBlack:
14577 if (!WhiteOnMove(forwardMostMove)) {
14578 DisplayError(_("Wait until your turn"), 0);
14583 DisplayError(_("No hint available"), 0);
14586 SendToProgram("hint\n", &first);
14587 hintRequested = TRUE;
14593 if (appData.noChessProgram) return;
14594 switch (gameMode) {
14595 case MachinePlaysWhite:
14596 if (WhiteOnMove(forwardMostMove)) {
14597 DisplayError(_("Wait until your turn"), 0);
14601 case BeginningOfGame:
14602 case MachinePlaysBlack:
14603 if (!WhiteOnMove(forwardMostMove)) {
14604 DisplayError(_("Wait until your turn"), 0);
14609 EditPositionDone(TRUE);
14611 case TwoMachinesPlay:
14616 SendToProgram("bk\n", &first);
14617 bookOutput[0] = NULLCHAR;
14618 bookRequested = TRUE;
14624 char *tags = PGNTags(&gameInfo);
14625 TagsPopUp(tags, CmailMsg());
14629 /* end button procedures */
14632 PrintPosition(fp, move)
14638 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14639 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14640 char c = PieceToChar(boards[move][i][j]);
14641 fputc(c == 'x' ? '.' : c, fp);
14642 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14645 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14646 fprintf(fp, "white to play\n");
14648 fprintf(fp, "black to play\n");
14655 if (gameInfo.white != NULL) {
14656 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14662 /* Find last component of program's own name, using some heuristics */
14664 TidyProgramName(prog, host, buf)
14665 char *prog, *host, buf[MSG_SIZ];
14668 int local = (strcmp(host, "localhost") == 0);
14669 while (!local && (p = strchr(prog, ';')) != NULL) {
14671 while (*p == ' ') p++;
14674 if (*prog == '"' || *prog == '\'') {
14675 q = strchr(prog + 1, *prog);
14677 q = strchr(prog, ' ');
14679 if (q == NULL) q = prog + strlen(prog);
14681 while (p >= prog && *p != '/' && *p != '\\') p--;
14683 if(p == prog && *p == '"') p++;
14684 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14685 memcpy(buf, p, q - p);
14686 buf[q - p] = NULLCHAR;
14694 TimeControlTagValue()
14697 if (!appData.clockMode) {
14698 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14699 } else if (movesPerSession > 0) {
14700 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14701 } else if (timeIncrement == 0) {
14702 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14704 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14706 return StrSave(buf);
14712 /* This routine is used only for certain modes */
14713 VariantClass v = gameInfo.variant;
14714 ChessMove r = GameUnfinished;
14717 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14718 r = gameInfo.result;
14719 p = gameInfo.resultDetails;
14720 gameInfo.resultDetails = NULL;
14722 ClearGameInfo(&gameInfo);
14723 gameInfo.variant = v;
14725 switch (gameMode) {
14726 case MachinePlaysWhite:
14727 gameInfo.event = StrSave( appData.pgnEventHeader );
14728 gameInfo.site = StrSave(HostName());
14729 gameInfo.date = PGNDate();
14730 gameInfo.round = StrSave("-");
14731 gameInfo.white = StrSave(first.tidy);
14732 gameInfo.black = StrSave(UserName());
14733 gameInfo.timeControl = TimeControlTagValue();
14736 case MachinePlaysBlack:
14737 gameInfo.event = StrSave( appData.pgnEventHeader );
14738 gameInfo.site = StrSave(HostName());
14739 gameInfo.date = PGNDate();
14740 gameInfo.round = StrSave("-");
14741 gameInfo.white = StrSave(UserName());
14742 gameInfo.black = StrSave(first.tidy);
14743 gameInfo.timeControl = TimeControlTagValue();
14746 case TwoMachinesPlay:
14747 gameInfo.event = StrSave( appData.pgnEventHeader );
14748 gameInfo.site = StrSave(HostName());
14749 gameInfo.date = PGNDate();
14752 snprintf(buf, MSG_SIZ, "%d", roundNr);
14753 gameInfo.round = StrSave(buf);
14755 gameInfo.round = StrSave("-");
14757 if (first.twoMachinesColor[0] == 'w') {
14758 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14759 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14761 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14762 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14764 gameInfo.timeControl = TimeControlTagValue();
14768 gameInfo.event = StrSave("Edited game");
14769 gameInfo.site = StrSave(HostName());
14770 gameInfo.date = PGNDate();
14771 gameInfo.round = StrSave("-");
14772 gameInfo.white = StrSave("-");
14773 gameInfo.black = StrSave("-");
14774 gameInfo.result = r;
14775 gameInfo.resultDetails = p;
14779 gameInfo.event = StrSave("Edited position");
14780 gameInfo.site = StrSave(HostName());
14781 gameInfo.date = PGNDate();
14782 gameInfo.round = StrSave("-");
14783 gameInfo.white = StrSave("-");
14784 gameInfo.black = StrSave("-");
14787 case IcsPlayingWhite:
14788 case IcsPlayingBlack:
14793 case PlayFromGameFile:
14794 gameInfo.event = StrSave("Game from non-PGN file");
14795 gameInfo.site = StrSave(HostName());
14796 gameInfo.date = PGNDate();
14797 gameInfo.round = StrSave("-");
14798 gameInfo.white = StrSave("?");
14799 gameInfo.black = StrSave("?");
14808 ReplaceComment(index, text)
14816 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14817 pvInfoList[index-1].depth == len &&
14818 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14819 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14820 while (*text == '\n') text++;
14821 len = strlen(text);
14822 while (len > 0 && text[len - 1] == '\n') len--;
14824 if (commentList[index] != NULL)
14825 free(commentList[index]);
14828 commentList[index] = NULL;
14831 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14832 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14833 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14834 commentList[index] = (char *) malloc(len + 2);
14835 strncpy(commentList[index], text, len);
14836 commentList[index][len] = '\n';
14837 commentList[index][len + 1] = NULLCHAR;
14839 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14841 commentList[index] = (char *) malloc(len + 7);
14842 safeStrCpy(commentList[index], "{\n", 3);
14843 safeStrCpy(commentList[index]+2, text, len+1);
14844 commentList[index][len+2] = NULLCHAR;
14845 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14846 strcat(commentList[index], "\n}\n");
14860 if (ch == '\r') continue;
14862 } while (ch != '\0');
14866 AppendComment(index, text, addBraces)
14869 Boolean addBraces; // [HGM] braces: tells if we should add {}
14874 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14875 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14878 while (*text == '\n') text++;
14879 len = strlen(text);
14880 while (len > 0 && text[len - 1] == '\n') len--;
14882 if (len == 0) return;
14884 if (commentList[index] != NULL) {
14885 Boolean addClosingBrace = addBraces;
14886 old = commentList[index];
14887 oldlen = strlen(old);
14888 while(commentList[index][oldlen-1] == '\n')
14889 commentList[index][--oldlen] = NULLCHAR;
14890 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14891 safeStrCpy(commentList[index], old, oldlen + len + 6);
14893 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14894 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14895 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14896 while (*text == '\n') { text++; len--; }
14897 commentList[index][--oldlen] = NULLCHAR;
14899 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14900 else strcat(commentList[index], "\n");
14901 strcat(commentList[index], text);
14902 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14903 else strcat(commentList[index], "\n");
14905 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14907 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14908 else commentList[index][0] = NULLCHAR;
14909 strcat(commentList[index], text);
14910 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14911 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14915 static char * FindStr( char * text, char * sub_text )
14917 char * result = strstr( text, sub_text );
14919 if( result != NULL ) {
14920 result += strlen( sub_text );
14926 /* [AS] Try to extract PV info from PGN comment */
14927 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14928 char *GetInfoFromComment( int index, char * text )
14930 char * sep = text, *p;
14932 if( text != NULL && index > 0 ) {
14935 int time = -1, sec = 0, deci;
14936 char * s_eval = FindStr( text, "[%eval " );
14937 char * s_emt = FindStr( text, "[%emt " );
14939 if( s_eval != NULL || s_emt != NULL ) {
14943 if( s_eval != NULL ) {
14944 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14948 if( delim != ']' ) {
14953 if( s_emt != NULL ) {
14958 /* We expect something like: [+|-]nnn.nn/dd */
14961 if(*text != '{') return text; // [HGM] braces: must be normal comment
14963 sep = strchr( text, '/' );
14964 if( sep == NULL || sep < (text+4) ) {
14969 if(p[1] == '(') { // comment starts with PV
14970 p = strchr(p, ')'); // locate end of PV
14971 if(p == NULL || sep < p+5) return text;
14972 // at this point we have something like "{(.*) +0.23/6 ..."
14973 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14974 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14975 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14977 time = -1; sec = -1; deci = -1;
14978 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14979 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14980 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14981 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14985 if( score_lo < 0 || score_lo >= 100 ) {
14989 if(sec >= 0) time = 600*time + 10*sec; else
14990 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14992 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14994 /* [HGM] PV time: now locate end of PV info */
14995 while( *++sep >= '0' && *sep <= '9'); // strip depth
14997 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14999 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15001 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15002 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15013 pvInfoList[index-1].depth = depth;
15014 pvInfoList[index-1].score = score;
15015 pvInfoList[index-1].time = 10*time; // centi-sec
15016 if(*sep == '}') *sep = 0; else *--sep = '{';
15017 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15023 SendToProgram(message, cps)
15025 ChessProgramState *cps;
15027 int count, outCount, error;
15030 if (cps->pr == NoProc) return;
15033 if (appData.debugMode) {
15036 fprintf(debugFP, "%ld >%-6s: %s",
15037 SubtractTimeMarks(&now, &programStartTime),
15038 cps->which, message);
15041 count = strlen(message);
15042 outCount = OutputToProcess(cps->pr, message, count, &error);
15043 if (outCount < count && !exiting
15044 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15045 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15046 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15047 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15048 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15049 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15050 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15051 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15053 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15054 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15055 gameInfo.result = res;
15057 gameInfo.resultDetails = StrSave(buf);
15059 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15060 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15065 ReceiveFromProgram(isr, closure, message, count, error)
15066 InputSourceRef isr;
15074 ChessProgramState *cps = (ChessProgramState *)closure;
15076 if (isr != cps->isr) return; /* Killed intentionally */
15079 RemoveInputSource(cps->isr);
15080 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15081 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15082 _(cps->which), cps->program);
15083 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15084 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15085 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15086 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15087 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15089 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15090 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15091 gameInfo.result = res;
15093 gameInfo.resultDetails = StrSave(buf);
15095 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15096 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15098 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15099 _(cps->which), cps->program);
15100 RemoveInputSource(cps->isr);
15102 /* [AS] Program is misbehaving badly... kill it */
15103 if( count == -2 ) {
15104 DestroyChildProcess( cps->pr, 9 );
15108 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15113 if ((end_str = strchr(message, '\r')) != NULL)
15114 *end_str = NULLCHAR;
15115 if ((end_str = strchr(message, '\n')) != NULL)
15116 *end_str = NULLCHAR;
15118 if (appData.debugMode) {
15119 TimeMark now; int print = 1;
15120 char *quote = ""; char c; int i;
15122 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15123 char start = message[0];
15124 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15125 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15126 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15127 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15128 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15129 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15130 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15131 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15132 sscanf(message, "hint: %c", &c)!=1 &&
15133 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15134 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15135 print = (appData.engineComments >= 2);
15137 message[0] = start; // restore original message
15141 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15142 SubtractTimeMarks(&now, &programStartTime), cps->which,
15148 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15149 if (appData.icsEngineAnalyze) {
15150 if (strstr(message, "whisper") != NULL ||
15151 strstr(message, "kibitz") != NULL ||
15152 strstr(message, "tellics") != NULL) return;
15155 HandleMachineMove(message, cps);
15160 SendTimeControl(cps, mps, tc, inc, sd, st)
15161 ChessProgramState *cps;
15162 int mps, inc, sd, st;
15168 if( timeControl_2 > 0 ) {
15169 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15170 tc = timeControl_2;
15173 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15174 inc /= cps->timeOdds;
15175 st /= cps->timeOdds;
15177 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15180 /* Set exact time per move, normally using st command */
15181 if (cps->stKludge) {
15182 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15184 if (seconds == 0) {
15185 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15187 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15190 snprintf(buf, MSG_SIZ, "st %d\n", st);
15193 /* Set conventional or incremental time control, using level command */
15194 if (seconds == 0) {
15195 /* Note old gnuchess bug -- minutes:seconds used to not work.
15196 Fixed in later versions, but still avoid :seconds
15197 when seconds is 0. */
15198 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15200 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15201 seconds, inc/1000.);
15204 SendToProgram(buf, cps);
15206 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15207 /* Orthogonally, limit search to given depth */
15209 if (cps->sdKludge) {
15210 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15212 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15214 SendToProgram(buf, cps);
15217 if(cps->nps >= 0) { /* [HGM] nps */
15218 if(cps->supportsNPS == FALSE)
15219 cps->nps = -1; // don't use if engine explicitly says not supported!
15221 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15222 SendToProgram(buf, cps);
15227 ChessProgramState *WhitePlayer()
15228 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15230 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15231 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15237 SendTimeRemaining(cps, machineWhite)
15238 ChessProgramState *cps;
15239 int /*boolean*/ machineWhite;
15241 char message[MSG_SIZ];
15244 /* Note: this routine must be called when the clocks are stopped
15245 or when they have *just* been set or switched; otherwise
15246 it will be off by the time since the current tick started.
15248 if (machineWhite) {
15249 time = whiteTimeRemaining / 10;
15250 otime = blackTimeRemaining / 10;
15252 time = blackTimeRemaining / 10;
15253 otime = whiteTimeRemaining / 10;
15255 /* [HGM] translate opponent's time by time-odds factor */
15256 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15257 if (appData.debugMode) {
15258 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15261 if (time <= 0) time = 1;
15262 if (otime <= 0) otime = 1;
15264 snprintf(message, MSG_SIZ, "time %ld\n", time);
15265 SendToProgram(message, cps);
15267 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15268 SendToProgram(message, cps);
15272 BoolFeature(p, name, loc, cps)
15276 ChessProgramState *cps;
15279 int len = strlen(name);
15282 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15284 sscanf(*p, "%d", &val);
15286 while (**p && **p != ' ')
15288 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15289 SendToProgram(buf, cps);
15296 IntFeature(p, name, loc, cps)
15300 ChessProgramState *cps;
15303 int len = strlen(name);
15304 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15306 sscanf(*p, "%d", loc);
15307 while (**p && **p != ' ') (*p)++;
15308 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15309 SendToProgram(buf, cps);
15316 StringFeature(p, name, loc, cps)
15320 ChessProgramState *cps;
15323 int len = strlen(name);
15324 if (strncmp((*p), name, len) == 0
15325 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15327 sscanf(*p, "%[^\"]", loc);
15328 while (**p && **p != '\"') (*p)++;
15329 if (**p == '\"') (*p)++;
15330 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15331 SendToProgram(buf, cps);
15338 ParseOption(Option *opt, ChessProgramState *cps)
15339 // [HGM] options: process the string that defines an engine option, and determine
15340 // name, type, default value, and allowed value range
15342 char *p, *q, buf[MSG_SIZ];
15343 int n, min = (-1)<<31, max = 1<<31, def;
15345 if(p = strstr(opt->name, " -spin ")) {
15346 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15347 if(max < min) max = min; // enforce consistency
15348 if(def < min) def = min;
15349 if(def > max) def = max;
15354 } else if((p = strstr(opt->name, " -slider "))) {
15355 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15356 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15357 if(max < min) max = min; // enforce consistency
15358 if(def < min) def = min;
15359 if(def > max) def = max;
15363 opt->type = Spin; // Slider;
15364 } else if((p = strstr(opt->name, " -string "))) {
15365 opt->textValue = p+9;
15366 opt->type = TextBox;
15367 } else if((p = strstr(opt->name, " -file "))) {
15368 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15369 opt->textValue = p+7;
15370 opt->type = FileName; // FileName;
15371 } else if((p = strstr(opt->name, " -path "))) {
15372 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15373 opt->textValue = p+7;
15374 opt->type = PathName; // PathName;
15375 } else if(p = strstr(opt->name, " -check ")) {
15376 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15377 opt->value = (def != 0);
15378 opt->type = CheckBox;
15379 } else if(p = strstr(opt->name, " -combo ")) {
15380 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15381 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15382 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15383 opt->value = n = 0;
15384 while(q = StrStr(q, " /// ")) {
15385 n++; *q = 0; // count choices, and null-terminate each of them
15387 if(*q == '*') { // remember default, which is marked with * prefix
15391 cps->comboList[cps->comboCnt++] = q;
15393 cps->comboList[cps->comboCnt++] = NULL;
15395 opt->type = ComboBox;
15396 } else if(p = strstr(opt->name, " -button")) {
15397 opt->type = Button;
15398 } else if(p = strstr(opt->name, " -save")) {
15399 opt->type = SaveButton;
15400 } else return FALSE;
15401 *p = 0; // terminate option name
15402 // now look if the command-line options define a setting for this engine option.
15403 if(cps->optionSettings && cps->optionSettings[0])
15404 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15405 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15406 snprintf(buf, MSG_SIZ, "option %s", p);
15407 if(p = strstr(buf, ",")) *p = 0;
15408 if(q = strchr(buf, '=')) switch(opt->type) {
15410 for(n=0; n<opt->max; n++)
15411 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15414 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15418 opt->value = atoi(q+1);
15423 SendToProgram(buf, cps);
15429 FeatureDone(cps, val)
15430 ChessProgramState* cps;
15433 DelayedEventCallback cb = GetDelayedEvent();
15434 if ((cb == InitBackEnd3 && cps == &first) ||
15435 (cb == SettingsMenuIfReady && cps == &second) ||
15436 (cb == LoadEngine) ||
15437 (cb == TwoMachinesEventIfReady)) {
15438 CancelDelayedEvent();
15439 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15441 cps->initDone = val;
15444 /* Parse feature command from engine */
15446 ParseFeatures(args, cps)
15448 ChessProgramState *cps;
15456 while (*p == ' ') p++;
15457 if (*p == NULLCHAR) return;
15459 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15460 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15461 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15462 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15463 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15464 if (BoolFeature(&p, "reuse", &val, cps)) {
15465 /* Engine can disable reuse, but can't enable it if user said no */
15466 if (!val) cps->reuse = FALSE;
15469 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15470 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15471 if (gameMode == TwoMachinesPlay) {
15472 DisplayTwoMachinesTitle();
15478 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15479 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15480 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15481 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15482 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15483 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15484 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15485 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15486 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15487 if (IntFeature(&p, "done", &val, cps)) {
15488 FeatureDone(cps, val);
15491 /* Added by Tord: */
15492 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15493 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15494 /* End of additions by Tord */
15496 /* [HGM] added features: */
15497 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15498 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15499 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15500 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15501 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15502 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15503 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15504 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15505 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15506 SendToProgram(buf, cps);
15509 if(cps->nrOptions >= MAX_OPTIONS) {
15511 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15512 DisplayError(buf, 0);
15516 /* End of additions by HGM */
15518 /* unknown feature: complain and skip */
15520 while (*q && *q != '=') q++;
15521 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15522 SendToProgram(buf, cps);
15528 while (*p && *p != '\"') p++;
15529 if (*p == '\"') p++;
15531 while (*p && *p != ' ') p++;
15539 PeriodicUpdatesEvent(newState)
15542 if (newState == appData.periodicUpdates)
15545 appData.periodicUpdates=newState;
15547 /* Display type changes, so update it now */
15548 // DisplayAnalysis();
15550 /* Get the ball rolling again... */
15552 AnalysisPeriodicEvent(1);
15553 StartAnalysisClock();
15558 PonderNextMoveEvent(newState)
15561 if (newState == appData.ponderNextMove) return;
15562 if (gameMode == EditPosition) EditPositionDone(TRUE);
15564 SendToProgram("hard\n", &first);
15565 if (gameMode == TwoMachinesPlay) {
15566 SendToProgram("hard\n", &second);
15569 SendToProgram("easy\n", &first);
15570 thinkOutput[0] = NULLCHAR;
15571 if (gameMode == TwoMachinesPlay) {
15572 SendToProgram("easy\n", &second);
15575 appData.ponderNextMove = newState;
15579 NewSettingEvent(option, feature, command, value)
15581 int option, value, *feature;
15585 if (gameMode == EditPosition) EditPositionDone(TRUE);
15586 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15587 if(feature == NULL || *feature) SendToProgram(buf, &first);
15588 if (gameMode == TwoMachinesPlay) {
15589 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15594 ShowThinkingEvent()
15595 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15597 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15598 int newState = appData.showThinking
15599 // [HGM] thinking: other features now need thinking output as well
15600 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15602 if (oldState == newState) return;
15603 oldState = newState;
15604 if (gameMode == EditPosition) EditPositionDone(TRUE);
15606 SendToProgram("post\n", &first);
15607 if (gameMode == TwoMachinesPlay) {
15608 SendToProgram("post\n", &second);
15611 SendToProgram("nopost\n", &first);
15612 thinkOutput[0] = NULLCHAR;
15613 if (gameMode == TwoMachinesPlay) {
15614 SendToProgram("nopost\n", &second);
15617 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15621 AskQuestionEvent(title, question, replyPrefix, which)
15622 char *title; char *question; char *replyPrefix; char *which;
15624 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15625 if (pr == NoProc) return;
15626 AskQuestion(title, question, replyPrefix, pr);
15630 TypeInEvent(char firstChar)
15632 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15633 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15634 gameMode == AnalyzeMode || gameMode == EditGame ||
15635 gameMode == EditPosition || gameMode == IcsExamining ||
15636 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15637 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15638 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15639 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15640 gameMode == Training) PopUpMoveDialog(firstChar);
15644 TypeInDoneEvent(char *move)
15647 int n, fromX, fromY, toX, toY;
15649 ChessMove moveType;
15652 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15653 EditPositionPasteFEN(move);
15656 // [HGM] movenum: allow move number to be typed in any mode
15657 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15662 if (gameMode != EditGame && currentMove != forwardMostMove &&
15663 gameMode != Training) {
15664 DisplayMoveError(_("Displayed move is not current"));
15666 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15667 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15668 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15669 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15670 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15671 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15673 DisplayMoveError(_("Could not parse move"));
15679 DisplayMove(moveNumber)
15682 char message[MSG_SIZ];
15684 char cpThinkOutput[MSG_SIZ];
15686 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15688 if (moveNumber == forwardMostMove - 1 ||
15689 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15691 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15693 if (strchr(cpThinkOutput, '\n')) {
15694 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15697 *cpThinkOutput = NULLCHAR;
15700 /* [AS] Hide thinking from human user */
15701 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15702 *cpThinkOutput = NULLCHAR;
15703 if( thinkOutput[0] != NULLCHAR ) {
15706 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15707 cpThinkOutput[i] = '.';
15709 cpThinkOutput[i] = NULLCHAR;
15710 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15714 if (moveNumber == forwardMostMove - 1 &&
15715 gameInfo.resultDetails != NULL) {
15716 if (gameInfo.resultDetails[0] == NULLCHAR) {
15717 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15719 snprintf(res, MSG_SIZ, " {%s} %s",
15720 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15726 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15727 DisplayMessage(res, cpThinkOutput);
15729 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15730 WhiteOnMove(moveNumber) ? " " : ".. ",
15731 parseList[moveNumber], res);
15732 DisplayMessage(message, cpThinkOutput);
15737 DisplayComment(moveNumber, text)
15741 char title[MSG_SIZ];
15743 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15744 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15746 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15747 WhiteOnMove(moveNumber) ? " " : ".. ",
15748 parseList[moveNumber]);
15750 if (text != NULL && (appData.autoDisplayComment || commentUp))
15751 CommentPopUp(title, text);
15754 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15755 * might be busy thinking or pondering. It can be omitted if your
15756 * gnuchess is configured to stop thinking immediately on any user
15757 * input. However, that gnuchess feature depends on the FIONREAD
15758 * ioctl, which does not work properly on some flavors of Unix.
15762 ChessProgramState *cps;
15765 if (!cps->useSigint) return;
15766 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15767 switch (gameMode) {
15768 case MachinePlaysWhite:
15769 case MachinePlaysBlack:
15770 case TwoMachinesPlay:
15771 case IcsPlayingWhite:
15772 case IcsPlayingBlack:
15775 /* Skip if we know it isn't thinking */
15776 if (!cps->maybeThinking) return;
15777 if (appData.debugMode)
15778 fprintf(debugFP, "Interrupting %s\n", cps->which);
15779 InterruptChildProcess(cps->pr);
15780 cps->maybeThinking = FALSE;
15785 #endif /*ATTENTION*/
15791 if (whiteTimeRemaining <= 0) {
15794 if (appData.icsActive) {
15795 if (appData.autoCallFlag &&
15796 gameMode == IcsPlayingBlack && !blackFlag) {
15797 SendToICS(ics_prefix);
15798 SendToICS("flag\n");
15802 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15804 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15805 if (appData.autoCallFlag) {
15806 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15813 if (blackTimeRemaining <= 0) {
15816 if (appData.icsActive) {
15817 if (appData.autoCallFlag &&
15818 gameMode == IcsPlayingWhite && !whiteFlag) {
15819 SendToICS(ics_prefix);
15820 SendToICS("flag\n");
15824 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15826 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15827 if (appData.autoCallFlag) {
15828 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15841 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15842 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15845 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15847 if ( !WhiteOnMove(forwardMostMove) ) {
15848 /* White made time control */
15849 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15850 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15851 /* [HGM] time odds: correct new time quota for time odds! */
15852 / WhitePlayer()->timeOdds;
15853 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15855 lastBlack -= blackTimeRemaining;
15856 /* Black made time control */
15857 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15858 / WhitePlayer()->other->timeOdds;
15859 lastWhite = whiteTimeRemaining;
15864 DisplayBothClocks()
15866 int wom = gameMode == EditPosition ?
15867 !blackPlaysFirst : WhiteOnMove(currentMove);
15868 DisplayWhiteClock(whiteTimeRemaining, wom);
15869 DisplayBlackClock(blackTimeRemaining, !wom);
15873 /* Timekeeping seems to be a portability nightmare. I think everyone
15874 has ftime(), but I'm really not sure, so I'm including some ifdefs
15875 to use other calls if you don't. Clocks will be less accurate if
15876 you have neither ftime nor gettimeofday.
15879 /* VS 2008 requires the #include outside of the function */
15880 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15881 #include <sys/timeb.h>
15884 /* Get the current time as a TimeMark */
15889 #if HAVE_GETTIMEOFDAY
15891 struct timeval timeVal;
15892 struct timezone timeZone;
15894 gettimeofday(&timeVal, &timeZone);
15895 tm->sec = (long) timeVal.tv_sec;
15896 tm->ms = (int) (timeVal.tv_usec / 1000L);
15898 #else /*!HAVE_GETTIMEOFDAY*/
15901 // include <sys/timeb.h> / moved to just above start of function
15902 struct timeb timeB;
15905 tm->sec = (long) timeB.time;
15906 tm->ms = (int) timeB.millitm;
15908 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15909 tm->sec = (long) time(NULL);
15915 /* Return the difference in milliseconds between two
15916 time marks. We assume the difference will fit in a long!
15919 SubtractTimeMarks(tm2, tm1)
15920 TimeMark *tm2, *tm1;
15922 return 1000L*(tm2->sec - tm1->sec) +
15923 (long) (tm2->ms - tm1->ms);
15928 * Code to manage the game clocks.
15930 * In tournament play, black starts the clock and then white makes a move.
15931 * We give the human user a slight advantage if he is playing white---the
15932 * clocks don't run until he makes his first move, so it takes zero time.
15933 * Also, we don't account for network lag, so we could get out of sync
15934 * with GNU Chess's clock -- but then, referees are always right.
15937 static TimeMark tickStartTM;
15938 static long intendedTickLength;
15941 NextTickLength(timeRemaining)
15942 long timeRemaining;
15944 long nominalTickLength, nextTickLength;
15946 if (timeRemaining > 0L && timeRemaining <= 10000L)
15947 nominalTickLength = 100L;
15949 nominalTickLength = 1000L;
15950 nextTickLength = timeRemaining % nominalTickLength;
15951 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15953 return nextTickLength;
15956 /* Adjust clock one minute up or down */
15958 AdjustClock(Boolean which, int dir)
15960 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15961 if(which) blackTimeRemaining += 60000*dir;
15962 else whiteTimeRemaining += 60000*dir;
15963 DisplayBothClocks();
15964 adjustedClock = TRUE;
15967 /* Stop clocks and reset to a fresh time control */
15971 (void) StopClockTimer();
15972 if (appData.icsActive) {
15973 whiteTimeRemaining = blackTimeRemaining = 0;
15974 } else if (searchTime) {
15975 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15976 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15977 } else { /* [HGM] correct new time quote for time odds */
15978 whiteTC = blackTC = fullTimeControlString;
15979 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15980 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15982 if (whiteFlag || blackFlag) {
15984 whiteFlag = blackFlag = FALSE;
15986 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15987 DisplayBothClocks();
15988 adjustedClock = FALSE;
15991 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15993 /* Decrement running clock by amount of time that has passed */
15997 long timeRemaining;
15998 long lastTickLength, fudge;
16001 if (!appData.clockMode) return;
16002 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16006 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16008 /* Fudge if we woke up a little too soon */
16009 fudge = intendedTickLength - lastTickLength;
16010 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16012 if (WhiteOnMove(forwardMostMove)) {
16013 if(whiteNPS >= 0) lastTickLength = 0;
16014 timeRemaining = whiteTimeRemaining -= lastTickLength;
16015 if(timeRemaining < 0 && !appData.icsActive) {
16016 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16017 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16018 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16019 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16022 DisplayWhiteClock(whiteTimeRemaining - fudge,
16023 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16025 if(blackNPS >= 0) lastTickLength = 0;
16026 timeRemaining = blackTimeRemaining -= lastTickLength;
16027 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16028 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16030 blackStartMove = forwardMostMove;
16031 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16034 DisplayBlackClock(blackTimeRemaining - fudge,
16035 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16037 if (CheckFlags()) return;
16040 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16041 StartClockTimer(intendedTickLength);
16043 /* if the time remaining has fallen below the alarm threshold, sound the
16044 * alarm. if the alarm has sounded and (due to a takeback or time control
16045 * with increment) the time remaining has increased to a level above the
16046 * threshold, reset the alarm so it can sound again.
16049 if (appData.icsActive && appData.icsAlarm) {
16051 /* make sure we are dealing with the user's clock */
16052 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16053 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16056 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16057 alarmSounded = FALSE;
16058 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16060 alarmSounded = TRUE;
16066 /* A player has just moved, so stop the previously running
16067 clock and (if in clock mode) start the other one.
16068 We redisplay both clocks in case we're in ICS mode, because
16069 ICS gives us an update to both clocks after every move.
16070 Note that this routine is called *after* forwardMostMove
16071 is updated, so the last fractional tick must be subtracted
16072 from the color that is *not* on move now.
16075 SwitchClocks(int newMoveNr)
16077 long lastTickLength;
16079 int flagged = FALSE;
16083 if (StopClockTimer() && appData.clockMode) {
16084 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16085 if (!WhiteOnMove(forwardMostMove)) {
16086 if(blackNPS >= 0) lastTickLength = 0;
16087 blackTimeRemaining -= lastTickLength;
16088 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16089 // if(pvInfoList[forwardMostMove].time == -1)
16090 pvInfoList[forwardMostMove].time = // use GUI time
16091 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16093 if(whiteNPS >= 0) lastTickLength = 0;
16094 whiteTimeRemaining -= lastTickLength;
16095 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16096 // if(pvInfoList[forwardMostMove].time == -1)
16097 pvInfoList[forwardMostMove].time =
16098 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16100 flagged = CheckFlags();
16102 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16103 CheckTimeControl();
16105 if (flagged || !appData.clockMode) return;
16107 switch (gameMode) {
16108 case MachinePlaysBlack:
16109 case MachinePlaysWhite:
16110 case BeginningOfGame:
16111 if (pausing) return;
16115 case PlayFromGameFile:
16123 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16124 if(WhiteOnMove(forwardMostMove))
16125 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16126 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16130 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16131 whiteTimeRemaining : blackTimeRemaining);
16132 StartClockTimer(intendedTickLength);
16136 /* Stop both clocks */
16140 long lastTickLength;
16143 if (!StopClockTimer()) return;
16144 if (!appData.clockMode) return;
16148 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16149 if (WhiteOnMove(forwardMostMove)) {
16150 if(whiteNPS >= 0) lastTickLength = 0;
16151 whiteTimeRemaining -= lastTickLength;
16152 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16154 if(blackNPS >= 0) lastTickLength = 0;
16155 blackTimeRemaining -= lastTickLength;
16156 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16161 /* Start clock of player on move. Time may have been reset, so
16162 if clock is already running, stop and restart it. */
16166 (void) StopClockTimer(); /* in case it was running already */
16167 DisplayBothClocks();
16168 if (CheckFlags()) return;
16170 if (!appData.clockMode) return;
16171 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16173 GetTimeMark(&tickStartTM);
16174 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16175 whiteTimeRemaining : blackTimeRemaining);
16177 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16178 whiteNPS = blackNPS = -1;
16179 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16180 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16181 whiteNPS = first.nps;
16182 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16183 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16184 blackNPS = first.nps;
16185 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16186 whiteNPS = second.nps;
16187 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16188 blackNPS = second.nps;
16189 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16191 StartClockTimer(intendedTickLength);
16198 long second, minute, hour, day;
16200 static char buf[32];
16202 if (ms > 0 && ms <= 9900) {
16203 /* convert milliseconds to tenths, rounding up */
16204 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16206 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16210 /* convert milliseconds to seconds, rounding up */
16211 /* use floating point to avoid strangeness of integer division
16212 with negative dividends on many machines */
16213 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16220 day = second / (60 * 60 * 24);
16221 second = second % (60 * 60 * 24);
16222 hour = second / (60 * 60);
16223 second = second % (60 * 60);
16224 minute = second / 60;
16225 second = second % 60;
16228 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16229 sign, day, hour, minute, second);
16231 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16233 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16240 * This is necessary because some C libraries aren't ANSI C compliant yet.
16243 StrStr(string, match)
16244 char *string, *match;
16248 length = strlen(match);
16250 for (i = strlen(string) - length; i >= 0; i--, string++)
16251 if (!strncmp(match, string, length))
16258 StrCaseStr(string, match)
16259 char *string, *match;
16263 length = strlen(match);
16265 for (i = strlen(string) - length; i >= 0; i--, string++) {
16266 for (j = 0; j < length; j++) {
16267 if (ToLower(match[j]) != ToLower(string[j]))
16270 if (j == length) return string;
16284 c1 = ToLower(*s1++);
16285 c2 = ToLower(*s2++);
16286 if (c1 > c2) return 1;
16287 if (c1 < c2) return -1;
16288 if (c1 == NULLCHAR) return 0;
16297 return isupper(c) ? tolower(c) : c;
16305 return islower(c) ? toupper(c) : c;
16307 #endif /* !_amigados */
16315 if ((ret = (char *) malloc(strlen(s) + 1)))
16317 safeStrCpy(ret, s, strlen(s)+1);
16323 StrSavePtr(s, savePtr)
16324 char *s, **savePtr;
16329 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16330 safeStrCpy(*savePtr, s, strlen(s)+1);
16342 clock = time((time_t *)NULL);
16343 tm = localtime(&clock);
16344 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16345 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16346 return StrSave(buf);
16351 PositionToFEN(move, overrideCastling)
16353 char *overrideCastling;
16355 int i, j, fromX, fromY, toX, toY;
16362 whiteToPlay = (gameMode == EditPosition) ?
16363 !blackPlaysFirst : (move % 2 == 0);
16366 /* Piece placement data */
16367 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16368 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16370 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16371 if (boards[move][i][j] == EmptySquare) {
16373 } else { ChessSquare piece = boards[move][i][j];
16374 if (emptycount > 0) {
16375 if(emptycount<10) /* [HGM] can be >= 10 */
16376 *p++ = '0' + emptycount;
16377 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16380 if(PieceToChar(piece) == '+') {
16381 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16383 piece = (ChessSquare)(DEMOTED piece);
16385 *p++ = PieceToChar(piece);
16387 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16388 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16393 if (emptycount > 0) {
16394 if(emptycount<10) /* [HGM] can be >= 10 */
16395 *p++ = '0' + emptycount;
16396 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16403 /* [HGM] print Crazyhouse or Shogi holdings */
16404 if( gameInfo.holdingsWidth ) {
16405 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16407 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16408 piece = boards[move][i][BOARD_WIDTH-1];
16409 if( piece != EmptySquare )
16410 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16411 *p++ = PieceToChar(piece);
16413 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16414 piece = boards[move][BOARD_HEIGHT-i-1][0];
16415 if( piece != EmptySquare )
16416 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16417 *p++ = PieceToChar(piece);
16420 if( q == p ) *p++ = '-';
16426 *p++ = whiteToPlay ? 'w' : 'b';
16429 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16430 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16432 if(nrCastlingRights) {
16434 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16435 /* [HGM] write directly from rights */
16436 if(boards[move][CASTLING][2] != NoRights &&
16437 boards[move][CASTLING][0] != NoRights )
16438 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16439 if(boards[move][CASTLING][2] != NoRights &&
16440 boards[move][CASTLING][1] != NoRights )
16441 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16442 if(boards[move][CASTLING][5] != NoRights &&
16443 boards[move][CASTLING][3] != NoRights )
16444 *p++ = boards[move][CASTLING][3] + AAA;
16445 if(boards[move][CASTLING][5] != NoRights &&
16446 boards[move][CASTLING][4] != NoRights )
16447 *p++ = boards[move][CASTLING][4] + AAA;
16450 /* [HGM] write true castling rights */
16451 if( nrCastlingRights == 6 ) {
16452 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16453 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16454 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16455 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16456 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16457 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16458 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16459 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16462 if (q == p) *p++ = '-'; /* No castling rights */
16466 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16467 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16468 /* En passant target square */
16469 if (move > backwardMostMove) {
16470 fromX = moveList[move - 1][0] - AAA;
16471 fromY = moveList[move - 1][1] - ONE;
16472 toX = moveList[move - 1][2] - AAA;
16473 toY = moveList[move - 1][3] - ONE;
16474 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16475 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16476 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16478 /* 2-square pawn move just happened */
16480 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16484 } else if(move == backwardMostMove) {
16485 // [HGM] perhaps we should always do it like this, and forget the above?
16486 if((signed char)boards[move][EP_STATUS] >= 0) {
16487 *p++ = boards[move][EP_STATUS] + AAA;
16488 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16499 /* [HGM] find reversible plies */
16500 { int i = 0, j=move;
16502 if (appData.debugMode) { int k;
16503 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16504 for(k=backwardMostMove; k<=forwardMostMove; k++)
16505 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16509 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16510 if( j == backwardMostMove ) i += initialRulePlies;
16511 sprintf(p, "%d ", i);
16512 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16514 /* Fullmove number */
16515 sprintf(p, "%d", (move / 2) + 1);
16517 return StrSave(buf);
16521 ParseFEN(board, blackPlaysFirst, fen)
16523 int *blackPlaysFirst;
16533 /* [HGM] by default clear Crazyhouse holdings, if present */
16534 if(gameInfo.holdingsWidth) {
16535 for(i=0; i<BOARD_HEIGHT; i++) {
16536 board[i][0] = EmptySquare; /* black holdings */
16537 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16538 board[i][1] = (ChessSquare) 0; /* black counts */
16539 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16543 /* Piece placement data */
16544 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16547 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16548 if (*p == '/') p++;
16549 emptycount = gameInfo.boardWidth - j;
16550 while (emptycount--)
16551 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16553 #if(BOARD_FILES >= 10)
16554 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16555 p++; emptycount=10;
16556 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16557 while (emptycount--)
16558 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16560 } else if (isdigit(*p)) {
16561 emptycount = *p++ - '0';
16562 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16563 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16564 while (emptycount--)
16565 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16566 } else if (*p == '+' || isalpha(*p)) {
16567 if (j >= gameInfo.boardWidth) return FALSE;
16569 piece = CharToPiece(*++p);
16570 if(piece == EmptySquare) return FALSE; /* unknown piece */
16571 piece = (ChessSquare) (PROMOTED piece ); p++;
16572 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16573 } else piece = CharToPiece(*p++);
16575 if(piece==EmptySquare) return FALSE; /* unknown piece */
16576 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16577 piece = (ChessSquare) (PROMOTED piece);
16578 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16581 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16587 while (*p == '/' || *p == ' ') p++;
16589 /* [HGM] look for Crazyhouse holdings here */
16590 while(*p==' ') p++;
16591 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16593 if(*p == '-' ) p++; /* empty holdings */ else {
16594 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16595 /* if we would allow FEN reading to set board size, we would */
16596 /* have to add holdings and shift the board read so far here */
16597 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16599 if((int) piece >= (int) BlackPawn ) {
16600 i = (int)piece - (int)BlackPawn;
16601 i = PieceToNumber((ChessSquare)i);
16602 if( i >= gameInfo.holdingsSize ) return FALSE;
16603 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16604 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16606 i = (int)piece - (int)WhitePawn;
16607 i = PieceToNumber((ChessSquare)i);
16608 if( i >= gameInfo.holdingsSize ) return FALSE;
16609 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16610 board[i][BOARD_WIDTH-2]++; /* black holdings */
16617 while(*p == ' ') p++;
16621 if(appData.colorNickNames) {
16622 if( c == appData.colorNickNames[0] ) c = 'w'; else
16623 if( c == appData.colorNickNames[1] ) c = 'b';
16627 *blackPlaysFirst = FALSE;
16630 *blackPlaysFirst = TRUE;
16636 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16637 /* return the extra info in global variiables */
16639 /* set defaults in case FEN is incomplete */
16640 board[EP_STATUS] = EP_UNKNOWN;
16641 for(i=0; i<nrCastlingRights; i++ ) {
16642 board[CASTLING][i] =
16643 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16644 } /* assume possible unless obviously impossible */
16645 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16646 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16647 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16648 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16649 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16650 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16651 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16652 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16655 while(*p==' ') p++;
16656 if(nrCastlingRights) {
16657 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16658 /* castling indicator present, so default becomes no castlings */
16659 for(i=0; i<nrCastlingRights; i++ ) {
16660 board[CASTLING][i] = NoRights;
16663 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16664 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16665 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16666 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16667 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16669 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16670 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16671 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16673 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16674 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16675 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16676 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16677 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16678 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16681 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16682 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16683 board[CASTLING][2] = whiteKingFile;
16686 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16687 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16688 board[CASTLING][2] = whiteKingFile;
16691 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16692 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16693 board[CASTLING][5] = blackKingFile;
16696 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16697 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16698 board[CASTLING][5] = blackKingFile;
16701 default: /* FRC castlings */
16702 if(c >= 'a') { /* black rights */
16703 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16704 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16705 if(i == BOARD_RGHT) break;
16706 board[CASTLING][5] = i;
16708 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16709 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16711 board[CASTLING][3] = c;
16713 board[CASTLING][4] = c;
16714 } else { /* white rights */
16715 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16716 if(board[0][i] == WhiteKing) break;
16717 if(i == BOARD_RGHT) break;
16718 board[CASTLING][2] = i;
16719 c -= AAA - 'a' + 'A';
16720 if(board[0][c] >= WhiteKing) break;
16722 board[CASTLING][0] = c;
16724 board[CASTLING][1] = c;
16728 for(i=0; i<nrCastlingRights; i++)
16729 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16730 if (appData.debugMode) {
16731 fprintf(debugFP, "FEN castling rights:");
16732 for(i=0; i<nrCastlingRights; i++)
16733 fprintf(debugFP, " %d", board[CASTLING][i]);
16734 fprintf(debugFP, "\n");
16737 while(*p==' ') p++;
16740 /* read e.p. field in games that know e.p. capture */
16741 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16742 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16744 p++; board[EP_STATUS] = EP_NONE;
16746 char c = *p++ - AAA;
16748 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16749 if(*p >= '0' && *p <='9') p++;
16750 board[EP_STATUS] = c;
16755 if(sscanf(p, "%d", &i) == 1) {
16756 FENrulePlies = i; /* 50-move ply counter */
16757 /* (The move number is still ignored) */
16764 EditPositionPasteFEN(char *fen)
16767 Board initial_position;
16769 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16770 DisplayError(_("Bad FEN position in clipboard"), 0);
16773 int savedBlackPlaysFirst = blackPlaysFirst;
16774 EditPositionEvent();
16775 blackPlaysFirst = savedBlackPlaysFirst;
16776 CopyBoard(boards[0], initial_position);
16777 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16778 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16779 DisplayBothClocks();
16780 DrawPosition(FALSE, boards[currentMove]);
16785 static char cseq[12] = "\\ ";
16787 Boolean set_cont_sequence(char *new_seq)
16792 // handle bad attempts to set the sequence
16794 return 0; // acceptable error - no debug
16796 len = strlen(new_seq);
16797 ret = (len > 0) && (len < sizeof(cseq));
16799 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16800 else if (appData.debugMode)
16801 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16806 reformat a source message so words don't cross the width boundary. internal
16807 newlines are not removed. returns the wrapped size (no null character unless
16808 included in source message). If dest is NULL, only calculate the size required
16809 for the dest buffer. lp argument indicats line position upon entry, and it's
16810 passed back upon exit.
16812 int wrap(char *dest, char *src, int count, int width, int *lp)
16814 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16816 cseq_len = strlen(cseq);
16817 old_line = line = *lp;
16818 ansi = len = clen = 0;
16820 for (i=0; i < count; i++)
16822 if (src[i] == '\033')
16825 // if we hit the width, back up
16826 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16828 // store i & len in case the word is too long
16829 old_i = i, old_len = len;
16831 // find the end of the last word
16832 while (i && src[i] != ' ' && src[i] != '\n')
16838 // word too long? restore i & len before splitting it
16839 if ((old_i-i+clen) >= width)
16846 if (i && src[i-1] == ' ')
16849 if (src[i] != ' ' && src[i] != '\n')
16856 // now append the newline and continuation sequence
16861 strncpy(dest+len, cseq, cseq_len);
16869 dest[len] = src[i];
16873 if (src[i] == '\n')
16878 if (dest && appData.debugMode)
16880 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16881 count, width, line, len, *lp);
16882 show_bytes(debugFP, src, count);
16883 fprintf(debugFP, "\ndest: ");
16884 show_bytes(debugFP, dest, len);
16885 fprintf(debugFP, "\n");
16887 *lp = dest ? line : old_line;
16892 // [HGM] vari: routines for shelving variations
16893 Boolean modeRestore = FALSE;
16896 PushInner(int firstMove, int lastMove)
16898 int i, j, nrMoves = lastMove - firstMove;
16900 // push current tail of game on stack
16901 savedResult[storedGames] = gameInfo.result;
16902 savedDetails[storedGames] = gameInfo.resultDetails;
16903 gameInfo.resultDetails = NULL;
16904 savedFirst[storedGames] = firstMove;
16905 savedLast [storedGames] = lastMove;
16906 savedFramePtr[storedGames] = framePtr;
16907 framePtr -= nrMoves; // reserve space for the boards
16908 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16909 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16910 for(j=0; j<MOVE_LEN; j++)
16911 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16912 for(j=0; j<2*MOVE_LEN; j++)
16913 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16914 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16915 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16916 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16917 pvInfoList[firstMove+i-1].depth = 0;
16918 commentList[framePtr+i] = commentList[firstMove+i];
16919 commentList[firstMove+i] = NULL;
16923 forwardMostMove = firstMove; // truncate game so we can start variation
16927 PushTail(int firstMove, int lastMove)
16929 if(appData.icsActive) { // only in local mode
16930 forwardMostMove = currentMove; // mimic old ICS behavior
16933 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16935 PushInner(firstMove, lastMove);
16936 if(storedGames == 1) GreyRevert(FALSE);
16937 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16941 PopInner(Boolean annotate)
16944 char buf[8000], moveBuf[20];
16946 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16947 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16948 nrMoves = savedLast[storedGames] - currentMove;
16951 if(!WhiteOnMove(currentMove))
16952 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16953 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16954 for(i=currentMove; i<forwardMostMove; i++) {
16956 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16957 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16958 strcat(buf, moveBuf);
16959 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16960 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16964 for(i=1; i<=nrMoves; i++) { // copy last variation back
16965 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16966 for(j=0; j<MOVE_LEN; j++)
16967 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16968 for(j=0; j<2*MOVE_LEN; j++)
16969 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16970 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16971 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16972 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16973 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16974 commentList[currentMove+i] = commentList[framePtr+i];
16975 commentList[framePtr+i] = NULL;
16977 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16978 framePtr = savedFramePtr[storedGames];
16979 gameInfo.result = savedResult[storedGames];
16980 if(gameInfo.resultDetails != NULL) {
16981 free(gameInfo.resultDetails);
16983 gameInfo.resultDetails = savedDetails[storedGames];
16984 forwardMostMove = currentMove + nrMoves;
16988 PopTail(Boolean annotate)
16990 if(appData.icsActive) return FALSE; // only in local mode
16991 if(!storedGames) return FALSE; // sanity
16992 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16994 PopInner(annotate);
16995 if(currentMove < forwardMostMove) ForwardEvent(); else
16996 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16998 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17004 { // remove all shelved variations
17006 for(i=0; i<storedGames; i++) {
17007 if(savedDetails[i])
17008 free(savedDetails[i]);
17009 savedDetails[i] = NULL;
17011 for(i=framePtr; i<MAX_MOVES; i++) {
17012 if(commentList[i]) free(commentList[i]);
17013 commentList[i] = NULL;
17015 framePtr = MAX_MOVES-1;
17020 LoadVariation(int index, char *text)
17021 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17022 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17023 int level = 0, move;
17025 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17026 // first find outermost bracketing variation
17027 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17028 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17029 if(*p == '{') wait = '}'; else
17030 if(*p == '[') wait = ']'; else
17031 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17032 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17034 if(*p == wait) wait = NULLCHAR; // closing ]} found
17037 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17038 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17039 end[1] = NULLCHAR; // clip off comment beyond variation
17040 ToNrEvent(currentMove-1);
17041 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17042 // kludge: use ParsePV() to append variation to game
17043 move = currentMove;
17044 ParsePV(start, TRUE, TRUE);
17045 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17046 ClearPremoveHighlights();
17048 ToNrEvent(currentMove+1);