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
837 ParseFeatures(appData.featureDefaults, cps);
840 ChessProgramState *savCps;
846 if(WaitForEngine(savCps, LoadEngine)) return;
847 CommonEngineInit(); // recalculate time odds
848 if(gameInfo.variant != StringToVariant(appData.variant)) {
849 // we changed variant when loading the engine; this forces us to reset
850 Reset(TRUE, savCps != &first);
851 EditGameEvent(); // for consistency with other path, as Reset changes mode
853 InitChessProgram(savCps, FALSE);
854 SendToProgram("force\n", savCps);
855 DisplayMessage("", "");
856 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
857 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
863 ReplaceEngine(ChessProgramState *cps, int n)
867 appData.noChessProgram = FALSE;
868 appData.clockMode = TRUE;
871 if(n) return; // only startup first engine immediately; second can wait
872 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
876 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
877 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
879 static char resetOptions[] =
880 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
881 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
882 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
885 Load(ChessProgramState *cps, int i)
887 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
888 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
889 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
890 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
891 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
892 ParseArgsFromString(buf);
894 ReplaceEngine(cps, i);
898 while(q = strchr(p, SLASH)) p = q+1;
899 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
900 if(engineDir[0] != NULLCHAR)
901 appData.directory[i] = engineDir;
902 else if(p != engineName) { // derive directory from engine path, when not given
904 appData.directory[i] = strdup(engineName);
906 } else appData.directory[i] = ".";
908 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
909 snprintf(command, MSG_SIZ, "%s %s", p, params);
912 appData.chessProgram[i] = strdup(p);
913 appData.isUCI[i] = isUCI;
914 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
915 appData.hasOwnBookUCI[i] = hasBook;
916 if(!nickName[0]) useNick = FALSE;
917 if(useNick) ASSIGN(appData.pgnName[i], nickName);
921 q = firstChessProgramNames;
922 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
923 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
924 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
925 quote, p, quote, appData.directory[i],
926 useNick ? " -fn \"" : "",
927 useNick ? nickName : "",
929 v1 ? " -firstProtocolVersion 1" : "",
930 hasBook ? "" : " -fNoOwnBookUCI",
931 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
932 storeVariant ? " -variant " : "",
933 storeVariant ? VariantName(gameInfo.variant) : "");
934 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
935 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
938 ReplaceEngine(cps, i);
944 int matched, min, sec;
946 * Parse timeControl resource
948 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
949 appData.movesPerSession)) {
951 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
952 DisplayFatalError(buf, 0, 2);
956 * Parse searchTime resource
958 if (*appData.searchTime != NULLCHAR) {
959 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
961 searchTime = min * 60;
962 } else if (matched == 2) {
963 searchTime = min * 60 + sec;
966 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
967 DisplayFatalError(buf, 0, 2);
976 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
977 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
979 GetTimeMark(&programStartTime);
980 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
981 appData.seedBase = random() + (random()<<15);
982 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
985 programStats.ok_to_send = 1;
986 programStats.seen_stat = 0;
989 * Initialize game list
995 * Internet chess server status
997 if (appData.icsActive) {
998 appData.matchMode = FALSE;
999 appData.matchGames = 0;
1001 appData.noChessProgram = !appData.zippyPlay;
1003 appData.zippyPlay = FALSE;
1004 appData.zippyTalk = FALSE;
1005 appData.noChessProgram = TRUE;
1007 if (*appData.icsHelper != NULLCHAR) {
1008 appData.useTelnet = TRUE;
1009 appData.telnetProgram = appData.icsHelper;
1012 appData.zippyTalk = appData.zippyPlay = FALSE;
1015 /* [AS] Initialize pv info list [HGM] and game state */
1019 for( i=0; i<=framePtr; i++ ) {
1020 pvInfoList[i].depth = -1;
1021 boards[i][EP_STATUS] = EP_NONE;
1022 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1028 /* [AS] Adjudication threshold */
1029 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1031 InitEngine(&first, 0);
1032 InitEngine(&second, 1);
1035 pairing.which = "pairing"; // pairing engine
1036 pairing.pr = NoProc;
1038 pairing.program = appData.pairingEngine;
1039 pairing.host = "localhost";
1042 if (appData.icsActive) {
1043 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1044 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1045 appData.clockMode = FALSE;
1046 first.sendTime = second.sendTime = 0;
1050 /* Override some settings from environment variables, for backward
1051 compatibility. Unfortunately it's not feasible to have the env
1052 vars just set defaults, at least in xboard. Ugh.
1054 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1059 if (!appData.icsActive) {
1063 /* Check for variants that are supported only in ICS mode,
1064 or not at all. Some that are accepted here nevertheless
1065 have bugs; see comments below.
1067 VariantClass variant = StringToVariant(appData.variant);
1069 case VariantBughouse: /* need four players and two boards */
1070 case VariantKriegspiel: /* need to hide pieces and move details */
1071 /* case VariantFischeRandom: (Fabien: moved below) */
1072 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1073 if( (len > MSG_SIZ) && appData.debugMode )
1074 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1076 DisplayFatalError(buf, 0, 2);
1079 case VariantUnknown:
1080 case VariantLoadable:
1090 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1091 if( (len > MSG_SIZ) && appData.debugMode )
1092 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1094 DisplayFatalError(buf, 0, 2);
1097 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1098 case VariantFairy: /* [HGM] TestLegality definitely off! */
1099 case VariantGothic: /* [HGM] should work */
1100 case VariantCapablanca: /* [HGM] should work */
1101 case VariantCourier: /* [HGM] initial forced moves not implemented */
1102 case VariantShogi: /* [HGM] could still mate with pawn drop */
1103 case VariantKnightmate: /* [HGM] should work */
1104 case VariantCylinder: /* [HGM] untested */
1105 case VariantFalcon: /* [HGM] untested */
1106 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1107 offboard interposition not understood */
1108 case VariantNormal: /* definitely works! */
1109 case VariantWildCastle: /* pieces not automatically shuffled */
1110 case VariantNoCastle: /* pieces not automatically shuffled */
1111 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1112 case VariantLosers: /* should work except for win condition,
1113 and doesn't know captures are mandatory */
1114 case VariantSuicide: /* should work except for win condition,
1115 and doesn't know captures are mandatory */
1116 case VariantGiveaway: /* should work except for win condition,
1117 and doesn't know captures are mandatory */
1118 case VariantTwoKings: /* should work */
1119 case VariantAtomic: /* should work except for win condition */
1120 case Variant3Check: /* should work except for win condition */
1121 case VariantShatranj: /* should work except for all win conditions */
1122 case VariantMakruk: /* should work except for draw countdown */
1123 case VariantBerolina: /* might work if TestLegality is off */
1124 case VariantCapaRandom: /* should work */
1125 case VariantJanus: /* should work */
1126 case VariantSuper: /* experimental */
1127 case VariantGreat: /* experimental, requires legality testing to be off */
1128 case VariantSChess: /* S-Chess, should work */
1129 case VariantGrand: /* should work */
1130 case VariantSpartan: /* should work */
1137 int NextIntegerFromString( char ** str, long * value )
1142 while( *s == ' ' || *s == '\t' ) {
1148 if( *s >= '0' && *s <= '9' ) {
1149 while( *s >= '0' && *s <= '9' ) {
1150 *value = *value * 10 + (*s - '0');
1162 int NextTimeControlFromString( char ** str, long * value )
1165 int result = NextIntegerFromString( str, &temp );
1168 *value = temp * 60; /* Minutes */
1169 if( **str == ':' ) {
1171 result = NextIntegerFromString( str, &temp );
1172 *value += temp; /* Seconds */
1179 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1180 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1181 int result = -1, type = 0; long temp, temp2;
1183 if(**str != ':') return -1; // old params remain in force!
1185 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1186 if( NextIntegerFromString( str, &temp ) ) return -1;
1187 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1190 /* time only: incremental or sudden-death time control */
1191 if(**str == '+') { /* increment follows; read it */
1193 if(**str == '!') type = *(*str)++; // Bronstein TC
1194 if(result = NextIntegerFromString( str, &temp2)) return -1;
1195 *inc = temp2 * 1000;
1196 if(**str == '.') { // read fraction of increment
1197 char *start = ++(*str);
1198 if(result = NextIntegerFromString( str, &temp2)) return -1;
1200 while(start++ < *str) temp2 /= 10;
1204 *moves = 0; *tc = temp * 1000; *incType = type;
1208 (*str)++; /* classical time control */
1209 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1220 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1221 { /* [HGM] get time to add from the multi-session time-control string */
1222 int incType, moves=1; /* kludge to force reading of first session */
1223 long time, increment;
1226 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1227 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1229 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1230 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1231 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1232 if(movenr == -1) return time; /* last move before new session */
1233 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1234 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1235 if(!moves) return increment; /* current session is incremental */
1236 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1237 } while(movenr >= -1); /* try again for next session */
1239 return 0; // no new time quota on this move
1243 ParseTimeControl(tc, ti, mps)
1250 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1253 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1254 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1255 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1259 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1261 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1264 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1266 snprintf(buf, MSG_SIZ, ":%s", mytc);
1268 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1270 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1275 /* Parse second time control */
1278 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1286 timeControl_2 = tc2 * 1000;
1296 timeControl = tc1 * 1000;
1299 timeIncrement = ti * 1000; /* convert to ms */
1300 movesPerSession = 0;
1303 movesPerSession = mps;
1311 if (appData.debugMode) {
1312 fprintf(debugFP, "%s\n", programVersion);
1315 set_cont_sequence(appData.wrapContSeq);
1316 if (appData.matchGames > 0) {
1317 appData.matchMode = TRUE;
1318 } else if (appData.matchMode) {
1319 appData.matchGames = 1;
1321 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1322 appData.matchGames = appData.sameColorGames;
1323 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1324 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1325 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1328 if (appData.noChessProgram || first.protocolVersion == 1) {
1331 /* kludge: allow timeout for initial "feature" commands */
1333 DisplayMessage("", _("Starting chess program"));
1334 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1339 CalculateIndex(int index, int gameNr)
1340 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1342 if(index > 0) return index; // fixed nmber
1343 if(index == 0) return 1;
1344 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1345 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1350 LoadGameOrPosition(int gameNr)
1351 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1352 if (*appData.loadGameFile != NULLCHAR) {
1353 if (!LoadGameFromFile(appData.loadGameFile,
1354 CalculateIndex(appData.loadGameIndex, gameNr),
1355 appData.loadGameFile, FALSE)) {
1356 DisplayFatalError(_("Bad game file"), 0, 1);
1359 } else if (*appData.loadPositionFile != NULLCHAR) {
1360 if (!LoadPositionFromFile(appData.loadPositionFile,
1361 CalculateIndex(appData.loadPositionIndex, gameNr),
1362 appData.loadPositionFile)) {
1363 DisplayFatalError(_("Bad position file"), 0, 1);
1371 ReserveGame(int gameNr, char resChar)
1373 FILE *tf = fopen(appData.tourneyFile, "r+");
1374 char *p, *q, c, buf[MSG_SIZ];
1375 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1376 safeStrCpy(buf, lastMsg, MSG_SIZ);
1377 DisplayMessage(_("Pick new game"), "");
1378 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1379 ParseArgsFromFile(tf);
1380 p = q = appData.results;
1381 if(appData.debugMode) {
1382 char *r = appData.participants;
1383 fprintf(debugFP, "results = '%s'\n", p);
1384 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1385 fprintf(debugFP, "\n");
1387 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1389 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1390 safeStrCpy(q, p, strlen(p) + 2);
1391 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1392 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1393 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1394 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1397 fseek(tf, -(strlen(p)+4), SEEK_END);
1399 if(c != '"') // depending on DOS or Unix line endings we can be one off
1400 fseek(tf, -(strlen(p)+2), SEEK_END);
1401 else fseek(tf, -(strlen(p)+3), SEEK_END);
1402 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1403 DisplayMessage(buf, "");
1404 free(p); appData.results = q;
1405 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1406 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1407 UnloadEngine(&first); // next game belongs to other pairing;
1408 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1413 MatchEvent(int mode)
1414 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1416 if(matchMode) { // already in match mode: switch it off
1418 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1421 // if(gameMode != BeginningOfGame) {
1422 // DisplayError(_("You can only start a match from the initial position."), 0);
1426 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1427 /* Set up machine vs. machine match */
1429 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1430 if(appData.tourneyFile[0]) {
1432 if(nextGame > appData.matchGames) {
1434 if(strchr(appData.results, '*') == NULL) {
1436 appData.tourneyCycles++;
1437 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1439 NextTourneyGame(-1, &dummy);
1441 if(nextGame <= appData.matchGames) {
1442 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1444 ScheduleDelayedEvent(NextMatchGame, 10000);
1449 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1450 DisplayError(buf, 0);
1451 appData.tourneyFile[0] = 0;
1455 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1456 DisplayFatalError(_("Can't have a match with no chess programs"),
1461 matchGame = roundNr = 1;
1462 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1467 InitBackEnd3 P((void))
1469 GameMode initialMode;
1473 InitChessProgram(&first, startedFromSetupPosition);
1475 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1476 free(programVersion);
1477 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1478 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1481 if (appData.icsActive) {
1483 /* [DM] Make a console window if needed [HGM] merged ifs */
1489 if (*appData.icsCommPort != NULLCHAR)
1490 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1491 appData.icsCommPort);
1493 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1494 appData.icsHost, appData.icsPort);
1496 if( (len > MSG_SIZ) && appData.debugMode )
1497 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1499 DisplayFatalError(buf, err, 1);
1504 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1506 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1507 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1508 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1509 } else if (appData.noChessProgram) {
1515 if (*appData.cmailGameName != NULLCHAR) {
1517 OpenLoopback(&cmailPR);
1519 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1523 DisplayMessage("", "");
1524 if (StrCaseCmp(appData.initialMode, "") == 0) {
1525 initialMode = BeginningOfGame;
1526 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1527 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1528 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1529 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1532 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1533 initialMode = TwoMachinesPlay;
1534 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1535 initialMode = AnalyzeFile;
1536 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1537 initialMode = AnalyzeMode;
1538 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1539 initialMode = MachinePlaysWhite;
1540 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1541 initialMode = MachinePlaysBlack;
1542 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1543 initialMode = EditGame;
1544 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1545 initialMode = EditPosition;
1546 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1547 initialMode = Training;
1549 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1550 if( (len > MSG_SIZ) && appData.debugMode )
1551 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1553 DisplayFatalError(buf, 0, 2);
1557 if (appData.matchMode) {
1558 if(appData.tourneyFile[0]) { // start tourney from command line
1560 if(f = fopen(appData.tourneyFile, "r")) {
1561 ParseArgsFromFile(f); // make sure tourney parmeters re known
1563 appData.clockMode = TRUE;
1565 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1568 } else if (*appData.cmailGameName != NULLCHAR) {
1569 /* Set up cmail mode */
1570 ReloadCmailMsgEvent(TRUE);
1572 /* Set up other modes */
1573 if (initialMode == AnalyzeFile) {
1574 if (*appData.loadGameFile == NULLCHAR) {
1575 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1579 if (*appData.loadGameFile != NULLCHAR) {
1580 (void) LoadGameFromFile(appData.loadGameFile,
1581 appData.loadGameIndex,
1582 appData.loadGameFile, TRUE);
1583 } else if (*appData.loadPositionFile != NULLCHAR) {
1584 (void) LoadPositionFromFile(appData.loadPositionFile,
1585 appData.loadPositionIndex,
1586 appData.loadPositionFile);
1587 /* [HGM] try to make self-starting even after FEN load */
1588 /* to allow automatic setup of fairy variants with wtm */
1589 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1590 gameMode = BeginningOfGame;
1591 setboardSpoiledMachineBlack = 1;
1593 /* [HGM] loadPos: make that every new game uses the setup */
1594 /* from file as long as we do not switch variant */
1595 if(!blackPlaysFirst) {
1596 startedFromPositionFile = TRUE;
1597 CopyBoard(filePosition, boards[0]);
1600 if (initialMode == AnalyzeMode) {
1601 if (appData.noChessProgram) {
1602 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1605 if (appData.icsActive) {
1606 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1610 } else if (initialMode == AnalyzeFile) {
1611 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1612 ShowThinkingEvent();
1614 AnalysisPeriodicEvent(1);
1615 } else if (initialMode == MachinePlaysWhite) {
1616 if (appData.noChessProgram) {
1617 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1621 if (appData.icsActive) {
1622 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1626 MachineWhiteEvent();
1627 } else if (initialMode == MachinePlaysBlack) {
1628 if (appData.noChessProgram) {
1629 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1633 if (appData.icsActive) {
1634 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1638 MachineBlackEvent();
1639 } else if (initialMode == TwoMachinesPlay) {
1640 if (appData.noChessProgram) {
1641 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1645 if (appData.icsActive) {
1646 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1651 } else if (initialMode == EditGame) {
1653 } else if (initialMode == EditPosition) {
1654 EditPositionEvent();
1655 } else if (initialMode == Training) {
1656 if (*appData.loadGameFile == NULLCHAR) {
1657 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1666 HistorySet( char movelist[][2*MOVE_LEN], int first, int last, int current )
1668 DisplayBook(current+1);
1670 MoveHistorySet( movelist, first, last, current, pvInfoList );
1672 EvalGraphSet( first, last, current, pvInfoList );
1674 MakeEngineOutputTitle();
1678 * Establish will establish a contact to a remote host.port.
1679 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1680 * used to talk to the host.
1681 * Returns 0 if okay, error code if not.
1688 if (*appData.icsCommPort != NULLCHAR) {
1689 /* Talk to the host through a serial comm port */
1690 return OpenCommPort(appData.icsCommPort, &icsPR);
1692 } else if (*appData.gateway != NULLCHAR) {
1693 if (*appData.remoteShell == NULLCHAR) {
1694 /* Use the rcmd protocol to run telnet program on a gateway host */
1695 snprintf(buf, sizeof(buf), "%s %s %s",
1696 appData.telnetProgram, appData.icsHost, appData.icsPort);
1697 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1700 /* Use the rsh program to run telnet program on a gateway host */
1701 if (*appData.remoteUser == NULLCHAR) {
1702 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1703 appData.gateway, appData.telnetProgram,
1704 appData.icsHost, appData.icsPort);
1706 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1707 appData.remoteShell, appData.gateway,
1708 appData.remoteUser, appData.telnetProgram,
1709 appData.icsHost, appData.icsPort);
1711 return StartChildProcess(buf, "", &icsPR);
1714 } else if (appData.useTelnet) {
1715 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1718 /* TCP socket interface differs somewhat between
1719 Unix and NT; handle details in the front end.
1721 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1725 void EscapeExpand(char *p, char *q)
1726 { // [HGM] initstring: routine to shape up string arguments
1727 while(*p++ = *q++) if(p[-1] == '\\')
1729 case 'n': p[-1] = '\n'; break;
1730 case 'r': p[-1] = '\r'; break;
1731 case 't': p[-1] = '\t'; break;
1732 case '\\': p[-1] = '\\'; break;
1733 case 0: *p = 0; return;
1734 default: p[-1] = q[-1]; break;
1739 show_bytes(fp, buf, count)
1745 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1746 fprintf(fp, "\\%03o", *buf & 0xff);
1755 /* Returns an errno value */
1757 OutputMaybeTelnet(pr, message, count, outError)
1763 char buf[8192], *p, *q, *buflim;
1764 int left, newcount, outcount;
1766 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1767 *appData.gateway != NULLCHAR) {
1768 if (appData.debugMode) {
1769 fprintf(debugFP, ">ICS: ");
1770 show_bytes(debugFP, message, count);
1771 fprintf(debugFP, "\n");
1773 return OutputToProcess(pr, message, count, outError);
1776 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1783 if (appData.debugMode) {
1784 fprintf(debugFP, ">ICS: ");
1785 show_bytes(debugFP, buf, newcount);
1786 fprintf(debugFP, "\n");
1788 outcount = OutputToProcess(pr, buf, newcount, outError);
1789 if (outcount < newcount) return -1; /* to be sure */
1796 } else if (((unsigned char) *p) == TN_IAC) {
1797 *q++ = (char) TN_IAC;
1804 if (appData.debugMode) {
1805 fprintf(debugFP, ">ICS: ");
1806 show_bytes(debugFP, buf, newcount);
1807 fprintf(debugFP, "\n");
1809 outcount = OutputToProcess(pr, buf, newcount, outError);
1810 if (outcount < newcount) return -1; /* to be sure */
1815 read_from_player(isr, closure, message, count, error)
1822 int outError, outCount;
1823 static int gotEof = 0;
1825 /* Pass data read from player on to ICS */
1828 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1829 if (outCount < count) {
1830 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1832 } else if (count < 0) {
1833 RemoveInputSource(isr);
1834 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1835 } else if (gotEof++ > 0) {
1836 RemoveInputSource(isr);
1837 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1843 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1844 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1845 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1846 SendToICS("date\n");
1847 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1850 /* added routine for printf style output to ics */
1851 void ics_printf(char *format, ...)
1853 char buffer[MSG_SIZ];
1856 va_start(args, format);
1857 vsnprintf(buffer, sizeof(buffer), format, args);
1858 buffer[sizeof(buffer)-1] = '\0';
1867 int count, outCount, outError;
1869 if (icsPR == NoProc) return;
1872 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1873 if (outCount < count) {
1874 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1878 /* This is used for sending logon scripts to the ICS. Sending
1879 without a delay causes problems when using timestamp on ICC
1880 (at least on my machine). */
1882 SendToICSDelayed(s,msdelay)
1886 int count, outCount, outError;
1888 if (icsPR == NoProc) return;
1891 if (appData.debugMode) {
1892 fprintf(debugFP, ">ICS: ");
1893 show_bytes(debugFP, s, count);
1894 fprintf(debugFP, "\n");
1896 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1898 if (outCount < count) {
1899 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1904 /* Remove all highlighting escape sequences in s
1905 Also deletes any suffix starting with '('
1908 StripHighlightAndTitle(s)
1911 static char retbuf[MSG_SIZ];
1914 while (*s != NULLCHAR) {
1915 while (*s == '\033') {
1916 while (*s != NULLCHAR && !isalpha(*s)) s++;
1917 if (*s != NULLCHAR) s++;
1919 while (*s != NULLCHAR && *s != '\033') {
1920 if (*s == '(' || *s == '[') {
1931 /* Remove all highlighting escape sequences in s */
1936 static char retbuf[MSG_SIZ];
1939 while (*s != NULLCHAR) {
1940 while (*s == '\033') {
1941 while (*s != NULLCHAR && !isalpha(*s)) s++;
1942 if (*s != NULLCHAR) s++;
1944 while (*s != NULLCHAR && *s != '\033') {
1952 char *variantNames[] = VARIANT_NAMES;
1957 return variantNames[v];
1961 /* Identify a variant from the strings the chess servers use or the
1962 PGN Variant tag names we use. */
1969 VariantClass v = VariantNormal;
1970 int i, found = FALSE;
1976 /* [HGM] skip over optional board-size prefixes */
1977 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1978 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1979 while( *e++ != '_');
1982 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1986 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1987 if (StrCaseStr(e, variantNames[i])) {
1988 v = (VariantClass) i;
1995 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1996 || StrCaseStr(e, "wild/fr")
1997 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1998 v = VariantFischeRandom;
1999 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2000 (i = 1, p = StrCaseStr(e, "w"))) {
2002 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2009 case 0: /* FICS only, actually */
2011 /* Castling legal even if K starts on d-file */
2012 v = VariantWildCastle;
2017 /* Castling illegal even if K & R happen to start in
2018 normal positions. */
2019 v = VariantNoCastle;
2032 /* Castling legal iff K & R start in normal positions */
2038 /* Special wilds for position setup; unclear what to do here */
2039 v = VariantLoadable;
2042 /* Bizarre ICC game */
2043 v = VariantTwoKings;
2046 v = VariantKriegspiel;
2052 v = VariantFischeRandom;
2055 v = VariantCrazyhouse;
2058 v = VariantBughouse;
2064 /* Not quite the same as FICS suicide! */
2065 v = VariantGiveaway;
2071 v = VariantShatranj;
2074 /* Temporary names for future ICC types. The name *will* change in
2075 the next xboard/WinBoard release after ICC defines it. */
2113 v = VariantCapablanca;
2116 v = VariantKnightmate;
2122 v = VariantCylinder;
2128 v = VariantCapaRandom;
2131 v = VariantBerolina;
2143 /* Found "wild" or "w" in the string but no number;
2144 must assume it's normal chess. */
2148 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2149 if( (len > MSG_SIZ) && appData.debugMode )
2150 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2152 DisplayError(buf, 0);
2158 if (appData.debugMode) {
2159 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2160 e, wnum, VariantName(v));
2165 static int leftover_start = 0, leftover_len = 0;
2166 char star_match[STAR_MATCH_N][MSG_SIZ];
2168 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2169 advance *index beyond it, and set leftover_start to the new value of
2170 *index; else return FALSE. If pattern contains the character '*', it
2171 matches any sequence of characters not containing '\r', '\n', or the
2172 character following the '*' (if any), and the matched sequence(s) are
2173 copied into star_match.
2176 looking_at(buf, index, pattern)
2181 char *bufp = &buf[*index], *patternp = pattern;
2183 char *matchp = star_match[0];
2186 if (*patternp == NULLCHAR) {
2187 *index = leftover_start = bufp - buf;
2191 if (*bufp == NULLCHAR) return FALSE;
2192 if (*patternp == '*') {
2193 if (*bufp == *(patternp + 1)) {
2195 matchp = star_match[++star_count];
2199 } else if (*bufp == '\n' || *bufp == '\r') {
2201 if (*patternp == NULLCHAR)
2206 *matchp++ = *bufp++;
2210 if (*patternp != *bufp) return FALSE;
2217 SendToPlayer(data, length)
2221 int error, outCount;
2222 outCount = OutputToProcess(NoProc, data, length, &error);
2223 if (outCount < length) {
2224 DisplayFatalError(_("Error writing to display"), error, 1);
2229 PackHolding(packed, holding)
2241 switch (runlength) {
2252 sprintf(q, "%d", runlength);
2264 /* Telnet protocol requests from the front end */
2266 TelnetRequest(ddww, option)
2267 unsigned char ddww, option;
2269 unsigned char msg[3];
2270 int outCount, outError;
2272 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2274 if (appData.debugMode) {
2275 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2291 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2300 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2303 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2308 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2310 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2317 if (!appData.icsActive) return;
2318 TelnetRequest(TN_DO, TN_ECHO);
2324 if (!appData.icsActive) return;
2325 TelnetRequest(TN_DONT, TN_ECHO);
2329 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2331 /* put the holdings sent to us by the server on the board holdings area */
2332 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2336 if(gameInfo.holdingsWidth < 2) return;
2337 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2338 return; // prevent overwriting by pre-board holdings
2340 if( (int)lowestPiece >= BlackPawn ) {
2343 holdingsStartRow = BOARD_HEIGHT-1;
2346 holdingsColumn = BOARD_WIDTH-1;
2347 countsColumn = BOARD_WIDTH-2;
2348 holdingsStartRow = 0;
2352 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2353 board[i][holdingsColumn] = EmptySquare;
2354 board[i][countsColumn] = (ChessSquare) 0;
2356 while( (p=*holdings++) != NULLCHAR ) {
2357 piece = CharToPiece( ToUpper(p) );
2358 if(piece == EmptySquare) continue;
2359 /*j = (int) piece - (int) WhitePawn;*/
2360 j = PieceToNumber(piece);
2361 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2362 if(j < 0) continue; /* should not happen */
2363 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2364 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2365 board[holdingsStartRow+j*direction][countsColumn]++;
2371 VariantSwitch(Board board, VariantClass newVariant)
2373 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2374 static Board oldBoard;
2376 startedFromPositionFile = FALSE;
2377 if(gameInfo.variant == newVariant) return;
2379 /* [HGM] This routine is called each time an assignment is made to
2380 * gameInfo.variant during a game, to make sure the board sizes
2381 * are set to match the new variant. If that means adding or deleting
2382 * holdings, we shift the playing board accordingly
2383 * This kludge is needed because in ICS observe mode, we get boards
2384 * of an ongoing game without knowing the variant, and learn about the
2385 * latter only later. This can be because of the move list we requested,
2386 * in which case the game history is refilled from the beginning anyway,
2387 * but also when receiving holdings of a crazyhouse game. In the latter
2388 * case we want to add those holdings to the already received position.
2392 if (appData.debugMode) {
2393 fprintf(debugFP, "Switch board from %s to %s\n",
2394 VariantName(gameInfo.variant), VariantName(newVariant));
2395 setbuf(debugFP, NULL);
2397 shuffleOpenings = 0; /* [HGM] shuffle */
2398 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2402 newWidth = 9; newHeight = 9;
2403 gameInfo.holdingsSize = 7;
2404 case VariantBughouse:
2405 case VariantCrazyhouse:
2406 newHoldingsWidth = 2; break;
2410 newHoldingsWidth = 2;
2411 gameInfo.holdingsSize = 8;
2414 case VariantCapablanca:
2415 case VariantCapaRandom:
2418 newHoldingsWidth = gameInfo.holdingsSize = 0;
2421 if(newWidth != gameInfo.boardWidth ||
2422 newHeight != gameInfo.boardHeight ||
2423 newHoldingsWidth != gameInfo.holdingsWidth ) {
2425 /* shift position to new playing area, if needed */
2426 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2427 for(i=0; i<BOARD_HEIGHT; i++)
2428 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2429 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2431 for(i=0; i<newHeight; i++) {
2432 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2433 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2435 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2436 for(i=0; i<BOARD_HEIGHT; i++)
2437 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2438 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2441 gameInfo.boardWidth = newWidth;
2442 gameInfo.boardHeight = newHeight;
2443 gameInfo.holdingsWidth = newHoldingsWidth;
2444 gameInfo.variant = newVariant;
2445 InitDrawingSizes(-2, 0);
2446 } else gameInfo.variant = newVariant;
2447 CopyBoard(oldBoard, board); // remember correctly formatted board
2448 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2449 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2452 static int loggedOn = FALSE;
2454 /*-- Game start info cache: --*/
2456 char gs_kind[MSG_SIZ];
2457 static char player1Name[128] = "";
2458 static char player2Name[128] = "";
2459 static char cont_seq[] = "\n\\ ";
2460 static int player1Rating = -1;
2461 static int player2Rating = -1;
2462 /*----------------------------*/
2464 ColorClass curColor = ColorNormal;
2465 int suppressKibitz = 0;
2468 Boolean soughtPending = FALSE;
2469 Boolean seekGraphUp;
2470 #define MAX_SEEK_ADS 200
2472 char *seekAdList[MAX_SEEK_ADS];
2473 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2474 float tcList[MAX_SEEK_ADS];
2475 char colorList[MAX_SEEK_ADS];
2476 int nrOfSeekAds = 0;
2477 int minRating = 1010, maxRating = 2800;
2478 int hMargin = 10, vMargin = 20, h, w;
2479 extern int squareSize, lineGap;
2484 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2485 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2486 if(r < minRating+100 && r >=0 ) r = minRating+100;
2487 if(r > maxRating) r = maxRating;
2488 if(tc < 1.) tc = 1.;
2489 if(tc > 95.) tc = 95.;
2490 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2491 y = ((double)r - minRating)/(maxRating - minRating)
2492 * (h-vMargin-squareSize/8-1) + vMargin;
2493 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2494 if(strstr(seekAdList[i], " u ")) color = 1;
2495 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2496 !strstr(seekAdList[i], "bullet") &&
2497 !strstr(seekAdList[i], "blitz") &&
2498 !strstr(seekAdList[i], "standard") ) color = 2;
2499 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2500 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2504 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2506 char buf[MSG_SIZ], *ext = "";
2507 VariantClass v = StringToVariant(type);
2508 if(strstr(type, "wild")) {
2509 ext = type + 4; // append wild number
2510 if(v == VariantFischeRandom) type = "chess960"; else
2511 if(v == VariantLoadable) type = "setup"; else
2512 type = VariantName(v);
2514 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2515 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2516 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2517 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2518 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2519 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2520 seekNrList[nrOfSeekAds] = nr;
2521 zList[nrOfSeekAds] = 0;
2522 seekAdList[nrOfSeekAds++] = StrSave(buf);
2523 if(plot) PlotSeekAd(nrOfSeekAds-1);
2530 int x = xList[i], y = yList[i], d=squareSize/4, k;
2531 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2532 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2533 // now replot every dot that overlapped
2534 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2535 int xx = xList[k], yy = yList[k];
2536 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2537 DrawSeekDot(xx, yy, colorList[k]);
2542 RemoveSeekAd(int nr)
2545 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2547 if(seekAdList[i]) free(seekAdList[i]);
2548 seekAdList[i] = seekAdList[--nrOfSeekAds];
2549 seekNrList[i] = seekNrList[nrOfSeekAds];
2550 ratingList[i] = ratingList[nrOfSeekAds];
2551 colorList[i] = colorList[nrOfSeekAds];
2552 tcList[i] = tcList[nrOfSeekAds];
2553 xList[i] = xList[nrOfSeekAds];
2554 yList[i] = yList[nrOfSeekAds];
2555 zList[i] = zList[nrOfSeekAds];
2556 seekAdList[nrOfSeekAds] = NULL;
2562 MatchSoughtLine(char *line)
2564 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2565 int nr, base, inc, u=0; char dummy;
2567 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2568 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2570 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2571 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2572 // match: compact and save the line
2573 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2583 if(!seekGraphUp) return FALSE;
2584 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2585 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2587 DrawSeekBackground(0, 0, w, h);
2588 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2589 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2590 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2591 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2593 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2596 snprintf(buf, MSG_SIZ, "%d", i);
2597 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2600 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2601 for(i=1; i<100; i+=(i<10?1:5)) {
2602 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2603 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2604 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2606 snprintf(buf, MSG_SIZ, "%d", i);
2607 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2610 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2614 int SeekGraphClick(ClickType click, int x, int y, int moving)
2616 static int lastDown = 0, displayed = 0, lastSecond;
2617 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2618 if(click == Release || moving) return FALSE;
2620 soughtPending = TRUE;
2621 SendToICS(ics_prefix);
2622 SendToICS("sought\n"); // should this be "sought all"?
2623 } else { // issue challenge based on clicked ad
2624 int dist = 10000; int i, closest = 0, second = 0;
2625 for(i=0; i<nrOfSeekAds; i++) {
2626 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2627 if(d < dist) { dist = d; closest = i; }
2628 second += (d - zList[i] < 120); // count in-range ads
2629 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2633 second = (second > 1);
2634 if(displayed != closest || second != lastSecond) {
2635 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2636 lastSecond = second; displayed = closest;
2638 if(click == Press) {
2639 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2642 } // on press 'hit', only show info
2643 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2644 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2645 SendToICS(ics_prefix);
2647 return TRUE; // let incoming board of started game pop down the graph
2648 } else if(click == Release) { // release 'miss' is ignored
2649 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2650 if(moving == 2) { // right up-click
2651 nrOfSeekAds = 0; // refresh graph
2652 soughtPending = TRUE;
2653 SendToICS(ics_prefix);
2654 SendToICS("sought\n"); // should this be "sought all"?
2657 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2658 // press miss or release hit 'pop down' seek graph
2659 seekGraphUp = FALSE;
2660 DrawPosition(TRUE, NULL);
2666 read_from_ics(isr, closure, data, count, error)
2673 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2674 #define STARTED_NONE 0
2675 #define STARTED_MOVES 1
2676 #define STARTED_BOARD 2
2677 #define STARTED_OBSERVE 3
2678 #define STARTED_HOLDINGS 4
2679 #define STARTED_CHATTER 5
2680 #define STARTED_COMMENT 6
2681 #define STARTED_MOVES_NOHIDE 7
2683 static int started = STARTED_NONE;
2684 static char parse[20000];
2685 static int parse_pos = 0;
2686 static char buf[BUF_SIZE + 1];
2687 static int firstTime = TRUE, intfSet = FALSE;
2688 static ColorClass prevColor = ColorNormal;
2689 static int savingComment = FALSE;
2690 static int cmatch = 0; // continuation sequence match
2697 int backup; /* [DM] For zippy color lines */
2699 char talker[MSG_SIZ]; // [HGM] chat
2702 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2704 if (appData.debugMode) {
2706 fprintf(debugFP, "<ICS: ");
2707 show_bytes(debugFP, data, count);
2708 fprintf(debugFP, "\n");
2712 if (appData.debugMode) { int f = forwardMostMove;
2713 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2714 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2715 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2718 /* If last read ended with a partial line that we couldn't parse,
2719 prepend it to the new read and try again. */
2720 if (leftover_len > 0) {
2721 for (i=0; i<leftover_len; i++)
2722 buf[i] = buf[leftover_start + i];
2725 /* copy new characters into the buffer */
2726 bp = buf + leftover_len;
2727 buf_len=leftover_len;
2728 for (i=0; i<count; i++)
2731 if (data[i] == '\r')
2734 // join lines split by ICS?
2735 if (!appData.noJoin)
2738 Joining just consists of finding matches against the
2739 continuation sequence, and discarding that sequence
2740 if found instead of copying it. So, until a match
2741 fails, there's nothing to do since it might be the
2742 complete sequence, and thus, something we don't want
2745 if (data[i] == cont_seq[cmatch])
2748 if (cmatch == strlen(cont_seq))
2750 cmatch = 0; // complete match. just reset the counter
2753 it's possible for the ICS to not include the space
2754 at the end of the last word, making our [correct]
2755 join operation fuse two separate words. the server
2756 does this when the space occurs at the width setting.
2758 if (!buf_len || buf[buf_len-1] != ' ')
2769 match failed, so we have to copy what matched before
2770 falling through and copying this character. In reality,
2771 this will only ever be just the newline character, but
2772 it doesn't hurt to be precise.
2774 strncpy(bp, cont_seq, cmatch);
2786 buf[buf_len] = NULLCHAR;
2787 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2792 while (i < buf_len) {
2793 /* Deal with part of the TELNET option negotiation
2794 protocol. We refuse to do anything beyond the
2795 defaults, except that we allow the WILL ECHO option,
2796 which ICS uses to turn off password echoing when we are
2797 directly connected to it. We reject this option
2798 if localLineEditing mode is on (always on in xboard)
2799 and we are talking to port 23, which might be a real
2800 telnet server that will try to keep WILL ECHO on permanently.
2802 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2803 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2804 unsigned char option;
2806 switch ((unsigned char) buf[++i]) {
2808 if (appData.debugMode)
2809 fprintf(debugFP, "\n<WILL ");
2810 switch (option = (unsigned char) buf[++i]) {
2812 if (appData.debugMode)
2813 fprintf(debugFP, "ECHO ");
2814 /* Reply only if this is a change, according
2815 to the protocol rules. */
2816 if (remoteEchoOption) break;
2817 if (appData.localLineEditing &&
2818 atoi(appData.icsPort) == TN_PORT) {
2819 TelnetRequest(TN_DONT, TN_ECHO);
2822 TelnetRequest(TN_DO, TN_ECHO);
2823 remoteEchoOption = TRUE;
2827 if (appData.debugMode)
2828 fprintf(debugFP, "%d ", option);
2829 /* Whatever this is, we don't want it. */
2830 TelnetRequest(TN_DONT, option);
2835 if (appData.debugMode)
2836 fprintf(debugFP, "\n<WONT ");
2837 switch (option = (unsigned char) buf[++i]) {
2839 if (appData.debugMode)
2840 fprintf(debugFP, "ECHO ");
2841 /* Reply only if this is a change, according
2842 to the protocol rules. */
2843 if (!remoteEchoOption) break;
2845 TelnetRequest(TN_DONT, TN_ECHO);
2846 remoteEchoOption = FALSE;
2849 if (appData.debugMode)
2850 fprintf(debugFP, "%d ", (unsigned char) option);
2851 /* Whatever this is, it must already be turned
2852 off, because we never agree to turn on
2853 anything non-default, so according to the
2854 protocol rules, we don't reply. */
2859 if (appData.debugMode)
2860 fprintf(debugFP, "\n<DO ");
2861 switch (option = (unsigned char) buf[++i]) {
2863 /* Whatever this is, we refuse to do it. */
2864 if (appData.debugMode)
2865 fprintf(debugFP, "%d ", option);
2866 TelnetRequest(TN_WONT, option);
2871 if (appData.debugMode)
2872 fprintf(debugFP, "\n<DONT ");
2873 switch (option = (unsigned char) buf[++i]) {
2875 if (appData.debugMode)
2876 fprintf(debugFP, "%d ", option);
2877 /* Whatever this is, we are already not doing
2878 it, because we never agree to do anything
2879 non-default, so according to the protocol
2880 rules, we don't reply. */
2885 if (appData.debugMode)
2886 fprintf(debugFP, "\n<IAC ");
2887 /* Doubled IAC; pass it through */
2891 if (appData.debugMode)
2892 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2893 /* Drop all other telnet commands on the floor */
2896 if (oldi > next_out)
2897 SendToPlayer(&buf[next_out], oldi - next_out);
2903 /* OK, this at least will *usually* work */
2904 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2908 if (loggedOn && !intfSet) {
2909 if (ics_type == ICS_ICC) {
2910 snprintf(str, MSG_SIZ,
2911 "/set-quietly interface %s\n/set-quietly style 12\n",
2913 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2914 strcat(str, "/set-2 51 1\n/set seek 1\n");
2915 } else if (ics_type == ICS_CHESSNET) {
2916 snprintf(str, MSG_SIZ, "/style 12\n");
2918 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2919 strcat(str, programVersion);
2920 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2921 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2922 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2924 strcat(str, "$iset nohighlight 1\n");
2926 strcat(str, "$iset lock 1\n$style 12\n");
2929 NotifyFrontendLogin();
2933 if (started == STARTED_COMMENT) {
2934 /* Accumulate characters in comment */
2935 parse[parse_pos++] = buf[i];
2936 if (buf[i] == '\n') {
2937 parse[parse_pos] = NULLCHAR;
2938 if(chattingPartner>=0) {
2940 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2941 OutputChatMessage(chattingPartner, mess);
2942 chattingPartner = -1;
2943 next_out = i+1; // [HGM] suppress printing in ICS window
2945 if(!suppressKibitz) // [HGM] kibitz
2946 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2947 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2948 int nrDigit = 0, nrAlph = 0, j;
2949 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2950 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2951 parse[parse_pos] = NULLCHAR;
2952 // try to be smart: if it does not look like search info, it should go to
2953 // ICS interaction window after all, not to engine-output window.
2954 for(j=0; j<parse_pos; j++) { // count letters and digits
2955 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2956 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2957 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2959 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2960 int depth=0; float score;
2961 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2962 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2963 pvInfoList[forwardMostMove-1].depth = depth;
2964 pvInfoList[forwardMostMove-1].score = 100*score;
2966 OutputKibitz(suppressKibitz, parse);
2969 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2970 SendToPlayer(tmp, strlen(tmp));
2972 next_out = i+1; // [HGM] suppress printing in ICS window
2974 started = STARTED_NONE;
2976 /* Don't match patterns against characters in comment */
2981 if (started == STARTED_CHATTER) {
2982 if (buf[i] != '\n') {
2983 /* Don't match patterns against characters in chatter */
2987 started = STARTED_NONE;
2988 if(suppressKibitz) next_out = i+1;
2991 /* Kludge to deal with rcmd protocol */
2992 if (firstTime && looking_at(buf, &i, "\001*")) {
2993 DisplayFatalError(&buf[1], 0, 1);
2999 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3002 if (appData.debugMode)
3003 fprintf(debugFP, "ics_type %d\n", ics_type);
3006 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3007 ics_type = ICS_FICS;
3009 if (appData.debugMode)
3010 fprintf(debugFP, "ics_type %d\n", ics_type);
3013 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3014 ics_type = ICS_CHESSNET;
3016 if (appData.debugMode)
3017 fprintf(debugFP, "ics_type %d\n", ics_type);
3022 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3023 looking_at(buf, &i, "Logging you in as \"*\"") ||
3024 looking_at(buf, &i, "will be \"*\""))) {
3025 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3029 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3031 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3032 DisplayIcsInteractionTitle(buf);
3033 have_set_title = TRUE;
3036 /* skip finger notes */
3037 if (started == STARTED_NONE &&
3038 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3039 (buf[i] == '1' && buf[i+1] == '0')) &&
3040 buf[i+2] == ':' && buf[i+3] == ' ') {
3041 started = STARTED_CHATTER;
3047 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3048 if(appData.seekGraph) {
3049 if(soughtPending && MatchSoughtLine(buf+i)) {
3050 i = strstr(buf+i, "rated") - buf;
3051 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3052 next_out = leftover_start = i;
3053 started = STARTED_CHATTER;
3054 suppressKibitz = TRUE;
3057 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3058 && looking_at(buf, &i, "* ads displayed")) {
3059 soughtPending = FALSE;
3064 if(appData.autoRefresh) {
3065 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3066 int s = (ics_type == ICS_ICC); // ICC format differs
3068 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3069 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3070 looking_at(buf, &i, "*% "); // eat prompt
3071 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3072 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3073 next_out = i; // suppress
3076 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3077 char *p = star_match[0];
3079 if(seekGraphUp) RemoveSeekAd(atoi(p));
3080 while(*p && *p++ != ' '); // next
3082 looking_at(buf, &i, "*% "); // eat prompt
3083 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3090 /* skip formula vars */
3091 if (started == STARTED_NONE &&
3092 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3093 started = STARTED_CHATTER;
3098 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3099 if (appData.autoKibitz && started == STARTED_NONE &&
3100 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3101 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3102 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3103 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3104 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3105 suppressKibitz = TRUE;
3106 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3108 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3109 && (gameMode == IcsPlayingWhite)) ||
3110 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3111 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3112 started = STARTED_CHATTER; // own kibitz we simply discard
3114 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3115 parse_pos = 0; parse[0] = NULLCHAR;
3116 savingComment = TRUE;
3117 suppressKibitz = gameMode != IcsObserving ? 2 :
3118 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3122 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3123 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3124 && atoi(star_match[0])) {
3125 // suppress the acknowledgements of our own autoKibitz
3127 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3128 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3129 SendToPlayer(star_match[0], strlen(star_match[0]));
3130 if(looking_at(buf, &i, "*% ")) // eat prompt
3131 suppressKibitz = FALSE;
3135 } // [HGM] kibitz: end of patch
3137 // [HGM] chat: intercept tells by users for which we have an open chat window
3139 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3140 looking_at(buf, &i, "* whispers:") ||
3141 looking_at(buf, &i, "* kibitzes:") ||
3142 looking_at(buf, &i, "* shouts:") ||
3143 looking_at(buf, &i, "* c-shouts:") ||
3144 looking_at(buf, &i, "--> * ") ||
3145 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3146 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3147 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3148 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3150 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3151 chattingPartner = -1;
3153 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3154 for(p=0; p<MAX_CHAT; p++) {
3155 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3156 talker[0] = '['; strcat(talker, "] ");
3157 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3158 chattingPartner = p; break;
3161 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3162 for(p=0; p<MAX_CHAT; p++) {
3163 if(!strcmp("kibitzes", chatPartner[p])) {
3164 talker[0] = '['; strcat(talker, "] ");
3165 chattingPartner = p; break;
3168 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3169 for(p=0; p<MAX_CHAT; p++) {
3170 if(!strcmp("whispers", chatPartner[p])) {
3171 talker[0] = '['; strcat(talker, "] ");
3172 chattingPartner = p; break;
3175 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3176 if(buf[i-8] == '-' && buf[i-3] == 't')
3177 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3178 if(!strcmp("c-shouts", chatPartner[p])) {
3179 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3180 chattingPartner = p; break;
3183 if(chattingPartner < 0)
3184 for(p=0; p<MAX_CHAT; p++) {
3185 if(!strcmp("shouts", chatPartner[p])) {
3186 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3187 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3188 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3189 chattingPartner = p; break;
3193 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3194 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3195 talker[0] = 0; Colorize(ColorTell, FALSE);
3196 chattingPartner = p; break;
3198 if(chattingPartner<0) i = oldi; else {
3199 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3200 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3201 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3202 started = STARTED_COMMENT;
3203 parse_pos = 0; parse[0] = NULLCHAR;
3204 savingComment = 3 + chattingPartner; // counts as TRUE
3205 suppressKibitz = TRUE;
3208 } // [HGM] chat: end of patch
3211 if (appData.zippyTalk || appData.zippyPlay) {
3212 /* [DM] Backup address for color zippy lines */
3214 if (loggedOn == TRUE)
3215 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3216 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3218 } // [DM] 'else { ' deleted
3220 /* Regular tells and says */
3221 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3222 looking_at(buf, &i, "* (your partner) tells you: ") ||
3223 looking_at(buf, &i, "* says: ") ||
3224 /* Don't color "message" or "messages" output */
3225 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3226 looking_at(buf, &i, "*. * at *:*: ") ||
3227 looking_at(buf, &i, "--* (*:*): ") ||
3228 /* Message notifications (same color as tells) */
3229 looking_at(buf, &i, "* has left a message ") ||
3230 looking_at(buf, &i, "* just sent you a message:\n") ||
3231 /* Whispers and kibitzes */
3232 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3233 looking_at(buf, &i, "* kibitzes: ") ||
3235 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3237 if (tkind == 1 && strchr(star_match[0], ':')) {
3238 /* Avoid "tells you:" spoofs in channels */
3241 if (star_match[0][0] == NULLCHAR ||
3242 strchr(star_match[0], ' ') ||
3243 (tkind == 3 && strchr(star_match[1], ' '))) {
3244 /* Reject bogus matches */
3247 if (appData.colorize) {
3248 if (oldi > next_out) {
3249 SendToPlayer(&buf[next_out], oldi - next_out);
3254 Colorize(ColorTell, FALSE);
3255 curColor = ColorTell;
3258 Colorize(ColorKibitz, FALSE);
3259 curColor = ColorKibitz;
3262 p = strrchr(star_match[1], '(');
3269 Colorize(ColorChannel1, FALSE);
3270 curColor = ColorChannel1;
3272 Colorize(ColorChannel, FALSE);
3273 curColor = ColorChannel;
3277 curColor = ColorNormal;
3281 if (started == STARTED_NONE && appData.autoComment &&
3282 (gameMode == IcsObserving ||
3283 gameMode == IcsPlayingWhite ||
3284 gameMode == IcsPlayingBlack)) {
3285 parse_pos = i - oldi;
3286 memcpy(parse, &buf[oldi], parse_pos);
3287 parse[parse_pos] = NULLCHAR;
3288 started = STARTED_COMMENT;
3289 savingComment = TRUE;
3291 started = STARTED_CHATTER;
3292 savingComment = FALSE;
3299 if (looking_at(buf, &i, "* s-shouts: ") ||
3300 looking_at(buf, &i, "* c-shouts: ")) {
3301 if (appData.colorize) {
3302 if (oldi > next_out) {
3303 SendToPlayer(&buf[next_out], oldi - next_out);
3306 Colorize(ColorSShout, FALSE);
3307 curColor = ColorSShout;
3310 started = STARTED_CHATTER;
3314 if (looking_at(buf, &i, "--->")) {
3319 if (looking_at(buf, &i, "* shouts: ") ||
3320 looking_at(buf, &i, "--> ")) {
3321 if (appData.colorize) {
3322 if (oldi > next_out) {
3323 SendToPlayer(&buf[next_out], oldi - next_out);
3326 Colorize(ColorShout, FALSE);
3327 curColor = ColorShout;
3330 started = STARTED_CHATTER;
3334 if (looking_at( buf, &i, "Challenge:")) {
3335 if (appData.colorize) {
3336 if (oldi > next_out) {
3337 SendToPlayer(&buf[next_out], oldi - next_out);
3340 Colorize(ColorChallenge, FALSE);
3341 curColor = ColorChallenge;
3347 if (looking_at(buf, &i, "* offers you") ||
3348 looking_at(buf, &i, "* offers to be") ||
3349 looking_at(buf, &i, "* would like to") ||
3350 looking_at(buf, &i, "* requests to") ||
3351 looking_at(buf, &i, "Your opponent offers") ||
3352 looking_at(buf, &i, "Your opponent requests")) {
3354 if (appData.colorize) {
3355 if (oldi > next_out) {
3356 SendToPlayer(&buf[next_out], oldi - next_out);
3359 Colorize(ColorRequest, FALSE);
3360 curColor = ColorRequest;
3365 if (looking_at(buf, &i, "* (*) seeking")) {
3366 if (appData.colorize) {
3367 if (oldi > next_out) {
3368 SendToPlayer(&buf[next_out], oldi - next_out);
3371 Colorize(ColorSeek, FALSE);
3372 curColor = ColorSeek;
3377 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3379 if (looking_at(buf, &i, "\\ ")) {
3380 if (prevColor != ColorNormal) {
3381 if (oldi > next_out) {
3382 SendToPlayer(&buf[next_out], oldi - next_out);
3385 Colorize(prevColor, TRUE);
3386 curColor = prevColor;
3388 if (savingComment) {
3389 parse_pos = i - oldi;
3390 memcpy(parse, &buf[oldi], parse_pos);
3391 parse[parse_pos] = NULLCHAR;
3392 started = STARTED_COMMENT;
3393 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3394 chattingPartner = savingComment - 3; // kludge to remember the box
3396 started = STARTED_CHATTER;
3401 if (looking_at(buf, &i, "Black Strength :") ||
3402 looking_at(buf, &i, "<<< style 10 board >>>") ||
3403 looking_at(buf, &i, "<10>") ||
3404 looking_at(buf, &i, "#@#")) {
3405 /* Wrong board style */
3407 SendToICS(ics_prefix);
3408 SendToICS("set style 12\n");
3409 SendToICS(ics_prefix);
3410 SendToICS("refresh\n");
3414 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3416 have_sent_ICS_logon = 1;
3420 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3421 (looking_at(buf, &i, "\n<12> ") ||
3422 looking_at(buf, &i, "<12> "))) {
3424 if (oldi > next_out) {
3425 SendToPlayer(&buf[next_out], oldi - next_out);
3428 started = STARTED_BOARD;
3433 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3434 looking_at(buf, &i, "<b1> ")) {
3435 if (oldi > next_out) {
3436 SendToPlayer(&buf[next_out], oldi - next_out);
3439 started = STARTED_HOLDINGS;
3444 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3446 /* Header for a move list -- first line */
3448 switch (ics_getting_history) {
3452 case BeginningOfGame:
3453 /* User typed "moves" or "oldmoves" while we
3454 were idle. Pretend we asked for these
3455 moves and soak them up so user can step
3456 through them and/or save them.
3459 gameMode = IcsObserving;
3462 ics_getting_history = H_GOT_UNREQ_HEADER;
3464 case EditGame: /*?*/
3465 case EditPosition: /*?*/
3466 /* Should above feature work in these modes too? */
3467 /* For now it doesn't */
3468 ics_getting_history = H_GOT_UNWANTED_HEADER;
3471 ics_getting_history = H_GOT_UNWANTED_HEADER;
3476 /* Is this the right one? */
3477 if (gameInfo.white && gameInfo.black &&
3478 strcmp(gameInfo.white, star_match[0]) == 0 &&
3479 strcmp(gameInfo.black, star_match[2]) == 0) {
3481 ics_getting_history = H_GOT_REQ_HEADER;
3484 case H_GOT_REQ_HEADER:
3485 case H_GOT_UNREQ_HEADER:
3486 case H_GOT_UNWANTED_HEADER:
3487 case H_GETTING_MOVES:
3488 /* Should not happen */
3489 DisplayError(_("Error gathering move list: two headers"), 0);
3490 ics_getting_history = H_FALSE;
3494 /* Save player ratings into gameInfo if needed */
3495 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3496 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3497 (gameInfo.whiteRating == -1 ||
3498 gameInfo.blackRating == -1)) {
3500 gameInfo.whiteRating = string_to_rating(star_match[1]);
3501 gameInfo.blackRating = string_to_rating(star_match[3]);
3502 if (appData.debugMode)
3503 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3504 gameInfo.whiteRating, gameInfo.blackRating);
3509 if (looking_at(buf, &i,
3510 "* * match, initial time: * minute*, increment: * second")) {
3511 /* Header for a move list -- second line */
3512 /* Initial board will follow if this is a wild game */
3513 if (gameInfo.event != NULL) free(gameInfo.event);
3514 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3515 gameInfo.event = StrSave(str);
3516 /* [HGM] we switched variant. Translate boards if needed. */
3517 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3521 if (looking_at(buf, &i, "Move ")) {
3522 /* Beginning of a move list */
3523 switch (ics_getting_history) {
3525 /* Normally should not happen */
3526 /* Maybe user hit reset while we were parsing */
3529 /* Happens if we are ignoring a move list that is not
3530 * the one we just requested. Common if the user
3531 * tries to observe two games without turning off
3534 case H_GETTING_MOVES:
3535 /* Should not happen */
3536 DisplayError(_("Error gathering move list: nested"), 0);
3537 ics_getting_history = H_FALSE;
3539 case H_GOT_REQ_HEADER:
3540 ics_getting_history = H_GETTING_MOVES;
3541 started = STARTED_MOVES;
3543 if (oldi > next_out) {
3544 SendToPlayer(&buf[next_out], oldi - next_out);
3547 case H_GOT_UNREQ_HEADER:
3548 ics_getting_history = H_GETTING_MOVES;
3549 started = STARTED_MOVES_NOHIDE;
3552 case H_GOT_UNWANTED_HEADER:
3553 ics_getting_history = H_FALSE;
3559 if (looking_at(buf, &i, "% ") ||
3560 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3561 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3562 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3563 soughtPending = FALSE;
3567 if(suppressKibitz) next_out = i;
3568 savingComment = FALSE;
3572 case STARTED_MOVES_NOHIDE:
3573 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3574 parse[parse_pos + i - oldi] = NULLCHAR;
3575 ParseGameHistory(parse);
3577 if (appData.zippyPlay && first.initDone) {
3578 FeedMovesToProgram(&first, forwardMostMove);
3579 if (gameMode == IcsPlayingWhite) {
3580 if (WhiteOnMove(forwardMostMove)) {
3581 if (first.sendTime) {
3582 if (first.useColors) {
3583 SendToProgram("black\n", &first);
3585 SendTimeRemaining(&first, TRUE);
3587 if (first.useColors) {
3588 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3590 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3591 first.maybeThinking = TRUE;
3593 if (first.usePlayother) {
3594 if (first.sendTime) {
3595 SendTimeRemaining(&first, TRUE);
3597 SendToProgram("playother\n", &first);
3603 } else if (gameMode == IcsPlayingBlack) {
3604 if (!WhiteOnMove(forwardMostMove)) {
3605 if (first.sendTime) {
3606 if (first.useColors) {
3607 SendToProgram("white\n", &first);
3609 SendTimeRemaining(&first, FALSE);
3611 if (first.useColors) {
3612 SendToProgram("black\n", &first);
3614 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3615 first.maybeThinking = TRUE;
3617 if (first.usePlayother) {
3618 if (first.sendTime) {
3619 SendTimeRemaining(&first, FALSE);
3621 SendToProgram("playother\n", &first);
3630 if (gameMode == IcsObserving && ics_gamenum == -1) {
3631 /* Moves came from oldmoves or moves command
3632 while we weren't doing anything else.
3634 currentMove = forwardMostMove;
3635 ClearHighlights();/*!!could figure this out*/
3636 flipView = appData.flipView;
3637 DrawPosition(TRUE, boards[currentMove]);
3638 DisplayBothClocks();
3639 snprintf(str, MSG_SIZ, "%s vs. %s",
3640 gameInfo.white, gameInfo.black);
3644 /* Moves were history of an active game */
3645 if (gameInfo.resultDetails != NULL) {
3646 free(gameInfo.resultDetails);
3647 gameInfo.resultDetails = NULL;
3650 HistorySet(parseList, backwardMostMove,
3651 forwardMostMove, currentMove-1);
3652 DisplayMove(currentMove - 1);
3653 if (started == STARTED_MOVES) next_out = i;
3654 started = STARTED_NONE;
3655 ics_getting_history = H_FALSE;
3658 case STARTED_OBSERVE:
3659 started = STARTED_NONE;
3660 SendToICS(ics_prefix);
3661 SendToICS("refresh\n");
3667 if(bookHit) { // [HGM] book: simulate book reply
3668 static char bookMove[MSG_SIZ]; // a bit generous?
3670 programStats.nodes = programStats.depth = programStats.time =
3671 programStats.score = programStats.got_only_move = 0;
3672 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3674 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3675 strcat(bookMove, bookHit);
3676 HandleMachineMove(bookMove, &first);
3681 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3682 started == STARTED_HOLDINGS ||
3683 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3684 /* Accumulate characters in move list or board */
3685 parse[parse_pos++] = buf[i];
3688 /* Start of game messages. Mostly we detect start of game
3689 when the first board image arrives. On some versions
3690 of the ICS, though, we need to do a "refresh" after starting
3691 to observe in order to get the current board right away. */
3692 if (looking_at(buf, &i, "Adding game * to observation list")) {
3693 started = STARTED_OBSERVE;
3697 /* Handle auto-observe */
3698 if (appData.autoObserve &&
3699 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3700 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3702 /* Choose the player that was highlighted, if any. */
3703 if (star_match[0][0] == '\033' ||
3704 star_match[1][0] != '\033') {
3705 player = star_match[0];
3707 player = star_match[2];
3709 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3710 ics_prefix, StripHighlightAndTitle(player));
3713 /* Save ratings from notify string */
3714 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3715 player1Rating = string_to_rating(star_match[1]);
3716 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3717 player2Rating = string_to_rating(star_match[3]);
3719 if (appData.debugMode)
3721 "Ratings from 'Game notification:' %s %d, %s %d\n",
3722 player1Name, player1Rating,
3723 player2Name, player2Rating);
3728 /* Deal with automatic examine mode after a game,
3729 and with IcsObserving -> IcsExamining transition */
3730 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3731 looking_at(buf, &i, "has made you an examiner of game *")) {
3733 int gamenum = atoi(star_match[0]);
3734 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3735 gamenum == ics_gamenum) {
3736 /* We were already playing or observing this game;
3737 no need to refetch history */
3738 gameMode = IcsExamining;
3740 pauseExamForwardMostMove = forwardMostMove;
3741 } else if (currentMove < forwardMostMove) {
3742 ForwardInner(forwardMostMove);
3745 /* I don't think this case really can happen */
3746 SendToICS(ics_prefix);
3747 SendToICS("refresh\n");
3752 /* Error messages */
3753 // if (ics_user_moved) {
3754 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3755 if (looking_at(buf, &i, "Illegal move") ||
3756 looking_at(buf, &i, "Not a legal move") ||
3757 looking_at(buf, &i, "Your king is in check") ||
3758 looking_at(buf, &i, "It isn't your turn") ||
3759 looking_at(buf, &i, "It is not your move")) {
3761 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3762 currentMove = forwardMostMove-1;
3763 DisplayMove(currentMove - 1); /* before DMError */
3764 DrawPosition(FALSE, boards[currentMove]);
3765 SwitchClocks(forwardMostMove-1); // [HGM] race
3766 DisplayBothClocks();
3768 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3774 if (looking_at(buf, &i, "still have time") ||
3775 looking_at(buf, &i, "not out of time") ||
3776 looking_at(buf, &i, "either player is out of time") ||
3777 looking_at(buf, &i, "has timeseal; checking")) {
3778 /* We must have called his flag a little too soon */
3779 whiteFlag = blackFlag = FALSE;
3783 if (looking_at(buf, &i, "added * seconds to") ||
3784 looking_at(buf, &i, "seconds were added to")) {
3785 /* Update the clocks */
3786 SendToICS(ics_prefix);
3787 SendToICS("refresh\n");
3791 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3792 ics_clock_paused = TRUE;
3797 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3798 ics_clock_paused = FALSE;
3803 /* Grab player ratings from the Creating: message.
3804 Note we have to check for the special case when
3805 the ICS inserts things like [white] or [black]. */
3806 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3807 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3809 0 player 1 name (not necessarily white)
3811 2 empty, white, or black (IGNORED)
3812 3 player 2 name (not necessarily black)
3815 The names/ratings are sorted out when the game
3816 actually starts (below).
3818 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3819 player1Rating = string_to_rating(star_match[1]);
3820 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3821 player2Rating = string_to_rating(star_match[4]);
3823 if (appData.debugMode)
3825 "Ratings from 'Creating:' %s %d, %s %d\n",
3826 player1Name, player1Rating,
3827 player2Name, player2Rating);
3832 /* Improved generic start/end-of-game messages */
3833 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3834 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3835 /* If tkind == 0: */
3836 /* star_match[0] is the game number */
3837 /* [1] is the white player's name */
3838 /* [2] is the black player's name */
3839 /* For end-of-game: */
3840 /* [3] is the reason for the game end */
3841 /* [4] is a PGN end game-token, preceded by " " */
3842 /* For start-of-game: */
3843 /* [3] begins with "Creating" or "Continuing" */
3844 /* [4] is " *" or empty (don't care). */
3845 int gamenum = atoi(star_match[0]);
3846 char *whitename, *blackname, *why, *endtoken;
3847 ChessMove endtype = EndOfFile;
3850 whitename = star_match[1];
3851 blackname = star_match[2];
3852 why = star_match[3];
3853 endtoken = star_match[4];
3855 whitename = star_match[1];
3856 blackname = star_match[3];
3857 why = star_match[5];
3858 endtoken = star_match[6];
3861 /* Game start messages */
3862 if (strncmp(why, "Creating ", 9) == 0 ||
3863 strncmp(why, "Continuing ", 11) == 0) {
3864 gs_gamenum = gamenum;
3865 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3866 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3868 if (appData.zippyPlay) {
3869 ZippyGameStart(whitename, blackname);
3872 partnerBoardValid = FALSE; // [HGM] bughouse
3876 /* Game end messages */
3877 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3878 ics_gamenum != gamenum) {
3881 while (endtoken[0] == ' ') endtoken++;
3882 switch (endtoken[0]) {
3885 endtype = GameUnfinished;
3888 endtype = BlackWins;
3891 if (endtoken[1] == '/')
3892 endtype = GameIsDrawn;
3894 endtype = WhiteWins;
3897 GameEnds(endtype, why, GE_ICS);
3899 if (appData.zippyPlay && first.initDone) {
3900 ZippyGameEnd(endtype, why);
3901 if (first.pr == NoProc) {
3902 /* Start the next process early so that we'll
3903 be ready for the next challenge */
3904 StartChessProgram(&first);
3906 /* Send "new" early, in case this command takes
3907 a long time to finish, so that we'll be ready
3908 for the next challenge. */
3909 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3913 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3917 if (looking_at(buf, &i, "Removing game * from observation") ||
3918 looking_at(buf, &i, "no longer observing game *") ||
3919 looking_at(buf, &i, "Game * (*) has no examiners")) {
3920 if (gameMode == IcsObserving &&
3921 atoi(star_match[0]) == ics_gamenum)
3923 /* icsEngineAnalyze */
3924 if (appData.icsEngineAnalyze) {
3931 ics_user_moved = FALSE;
3936 if (looking_at(buf, &i, "no longer examining game *")) {
3937 if (gameMode == IcsExamining &&
3938 atoi(star_match[0]) == ics_gamenum)
3942 ics_user_moved = FALSE;
3947 /* Advance leftover_start past any newlines we find,
3948 so only partial lines can get reparsed */
3949 if (looking_at(buf, &i, "\n")) {
3950 prevColor = curColor;
3951 if (curColor != ColorNormal) {
3952 if (oldi > next_out) {
3953 SendToPlayer(&buf[next_out], oldi - next_out);
3956 Colorize(ColorNormal, FALSE);
3957 curColor = ColorNormal;
3959 if (started == STARTED_BOARD) {
3960 started = STARTED_NONE;
3961 parse[parse_pos] = NULLCHAR;
3962 ParseBoard12(parse);
3965 /* Send premove here */
3966 if (appData.premove) {
3968 if (currentMove == 0 &&
3969 gameMode == IcsPlayingWhite &&
3970 appData.premoveWhite) {
3971 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3972 if (appData.debugMode)
3973 fprintf(debugFP, "Sending premove:\n");
3975 } else if (currentMove == 1 &&
3976 gameMode == IcsPlayingBlack &&
3977 appData.premoveBlack) {
3978 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3979 if (appData.debugMode)
3980 fprintf(debugFP, "Sending premove:\n");
3982 } else if (gotPremove) {
3984 ClearPremoveHighlights();
3985 if (appData.debugMode)
3986 fprintf(debugFP, "Sending premove:\n");
3987 UserMoveEvent(premoveFromX, premoveFromY,
3988 premoveToX, premoveToY,
3993 /* Usually suppress following prompt */
3994 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3995 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3996 if (looking_at(buf, &i, "*% ")) {
3997 savingComment = FALSE;
4002 } else if (started == STARTED_HOLDINGS) {
4004 char new_piece[MSG_SIZ];
4005 started = STARTED_NONE;
4006 parse[parse_pos] = NULLCHAR;
4007 if (appData.debugMode)
4008 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4009 parse, currentMove);
4010 if (sscanf(parse, " game %d", &gamenum) == 1) {
4011 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4012 if (gameInfo.variant == VariantNormal) {
4013 /* [HGM] We seem to switch variant during a game!
4014 * Presumably no holdings were displayed, so we have
4015 * to move the position two files to the right to
4016 * create room for them!
4018 VariantClass newVariant;
4019 switch(gameInfo.boardWidth) { // base guess on board width
4020 case 9: newVariant = VariantShogi; break;
4021 case 10: newVariant = VariantGreat; break;
4022 default: newVariant = VariantCrazyhouse; break;
4024 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4025 /* Get a move list just to see the header, which
4026 will tell us whether this is really bug or zh */
4027 if (ics_getting_history == H_FALSE) {
4028 ics_getting_history = H_REQUESTED;
4029 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4033 new_piece[0] = NULLCHAR;
4034 sscanf(parse, "game %d white [%s black [%s <- %s",
4035 &gamenum, white_holding, black_holding,
4037 white_holding[strlen(white_holding)-1] = NULLCHAR;
4038 black_holding[strlen(black_holding)-1] = NULLCHAR;
4039 /* [HGM] copy holdings to board holdings area */
4040 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4041 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4042 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4044 if (appData.zippyPlay && first.initDone) {
4045 ZippyHoldings(white_holding, black_holding,
4049 if (tinyLayout || smallLayout) {
4050 char wh[16], bh[16];
4051 PackHolding(wh, white_holding);
4052 PackHolding(bh, black_holding);
4053 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4054 gameInfo.white, gameInfo.black);
4056 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4057 gameInfo.white, white_holding,
4058 gameInfo.black, black_holding);
4060 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4061 DrawPosition(FALSE, boards[currentMove]);
4063 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4064 sscanf(parse, "game %d white [%s black [%s <- %s",
4065 &gamenum, white_holding, black_holding,
4067 white_holding[strlen(white_holding)-1] = NULLCHAR;
4068 black_holding[strlen(black_holding)-1] = NULLCHAR;
4069 /* [HGM] copy holdings to partner-board holdings area */
4070 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4071 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4072 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4073 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4074 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4077 /* Suppress following prompt */
4078 if (looking_at(buf, &i, "*% ")) {
4079 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4080 savingComment = FALSE;
4088 i++; /* skip unparsed character and loop back */
4091 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4092 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4093 // SendToPlayer(&buf[next_out], i - next_out);
4094 started != STARTED_HOLDINGS && leftover_start > next_out) {
4095 SendToPlayer(&buf[next_out], leftover_start - next_out);
4099 leftover_len = buf_len - leftover_start;
4100 /* if buffer ends with something we couldn't parse,
4101 reparse it after appending the next read */
4103 } else if (count == 0) {
4104 RemoveInputSource(isr);
4105 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4107 DisplayFatalError(_("Error reading from ICS"), error, 1);
4112 /* Board style 12 looks like this:
4114 <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
4116 * The "<12> " is stripped before it gets to this routine. The two
4117 * trailing 0's (flip state and clock ticking) are later addition, and
4118 * some chess servers may not have them, or may have only the first.
4119 * Additional trailing fields may be added in the future.
4122 #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"
4124 #define RELATION_OBSERVING_PLAYED 0
4125 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4126 #define RELATION_PLAYING_MYMOVE 1
4127 #define RELATION_PLAYING_NOTMYMOVE -1
4128 #define RELATION_EXAMINING 2
4129 #define RELATION_ISOLATED_BOARD -3
4130 #define RELATION_STARTING_POSITION -4 /* FICS only */
4133 ParseBoard12(string)
4136 GameMode newGameMode;
4137 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4138 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4139 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4140 char to_play, board_chars[200];
4141 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4142 char black[32], white[32];
4144 int prevMove = currentMove;
4147 int fromX, fromY, toX, toY;
4149 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4150 char *bookHit = NULL; // [HGM] book
4151 Boolean weird = FALSE, reqFlag = FALSE;
4153 fromX = fromY = toX = toY = -1;
4157 if (appData.debugMode)
4158 fprintf(debugFP, _("Parsing board: %s\n"), string);
4160 move_str[0] = NULLCHAR;
4161 elapsed_time[0] = NULLCHAR;
4162 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4164 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4165 if(string[i] == ' ') { ranks++; files = 0; }
4167 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4170 for(j = 0; j <i; j++) board_chars[j] = string[j];
4171 board_chars[i] = '\0';
4174 n = sscanf(string, PATTERN, &to_play, &double_push,
4175 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4176 &gamenum, white, black, &relation, &basetime, &increment,
4177 &white_stren, &black_stren, &white_time, &black_time,
4178 &moveNum, str, elapsed_time, move_str, &ics_flip,
4182 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4183 DisplayError(str, 0);
4187 /* Convert the move number to internal form */
4188 moveNum = (moveNum - 1) * 2;
4189 if (to_play == 'B') moveNum++;
4190 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4191 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4197 case RELATION_OBSERVING_PLAYED:
4198 case RELATION_OBSERVING_STATIC:
4199 if (gamenum == -1) {
4200 /* Old ICC buglet */
4201 relation = RELATION_OBSERVING_STATIC;
4203 newGameMode = IcsObserving;
4205 case RELATION_PLAYING_MYMOVE:
4206 case RELATION_PLAYING_NOTMYMOVE:
4208 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4209 IcsPlayingWhite : IcsPlayingBlack;
4211 case RELATION_EXAMINING:
4212 newGameMode = IcsExamining;
4214 case RELATION_ISOLATED_BOARD:
4216 /* Just display this board. If user was doing something else,
4217 we will forget about it until the next board comes. */
4218 newGameMode = IcsIdle;
4220 case RELATION_STARTING_POSITION:
4221 newGameMode = gameMode;
4225 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4226 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4227 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4229 for (k = 0; k < ranks; k++) {
4230 for (j = 0; j < files; j++)
4231 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4232 if(gameInfo.holdingsWidth > 1) {
4233 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4234 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4237 CopyBoard(partnerBoard, board);
4238 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4239 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4240 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4241 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4242 if(toSqr = strchr(str, '-')) {
4243 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4244 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4245 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4246 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4247 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4248 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4249 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4250 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4251 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4252 DisplayMessage(partnerStatus, "");
4253 partnerBoardValid = TRUE;
4257 /* Modify behavior for initial board display on move listing
4260 switch (ics_getting_history) {
4264 case H_GOT_REQ_HEADER:
4265 case H_GOT_UNREQ_HEADER:
4266 /* This is the initial position of the current game */
4267 gamenum = ics_gamenum;
4268 moveNum = 0; /* old ICS bug workaround */
4269 if (to_play == 'B') {
4270 startedFromSetupPosition = TRUE;
4271 blackPlaysFirst = TRUE;
4273 if (forwardMostMove == 0) forwardMostMove = 1;
4274 if (backwardMostMove == 0) backwardMostMove = 1;
4275 if (currentMove == 0) currentMove = 1;
4277 newGameMode = gameMode;
4278 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4280 case H_GOT_UNWANTED_HEADER:
4281 /* This is an initial board that we don't want */
4283 case H_GETTING_MOVES:
4284 /* Should not happen */
4285 DisplayError(_("Error gathering move list: extra board"), 0);
4286 ics_getting_history = H_FALSE;
4290 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4291 weird && (int)gameInfo.variant < (int)VariantShogi) {
4292 /* [HGM] We seem to have switched variant unexpectedly
4293 * Try to guess new variant from board size
4295 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4296 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4297 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4298 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4299 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4300 if(!weird) newVariant = VariantNormal;
4301 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4302 /* Get a move list just to see the header, which
4303 will tell us whether this is really bug or zh */
4304 if (ics_getting_history == H_FALSE) {
4305 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4306 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4311 /* Take action if this is the first board of a new game, or of a
4312 different game than is currently being displayed. */
4313 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4314 relation == RELATION_ISOLATED_BOARD) {
4316 /* Forget the old game and get the history (if any) of the new one */
4317 if (gameMode != BeginningOfGame) {
4321 if (appData.autoRaiseBoard) BoardToTop();
4323 if (gamenum == -1) {
4324 newGameMode = IcsIdle;
4325 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4326 appData.getMoveList && !reqFlag) {
4327 /* Need to get game history */
4328 ics_getting_history = H_REQUESTED;
4329 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4333 /* Initially flip the board to have black on the bottom if playing
4334 black or if the ICS flip flag is set, but let the user change
4335 it with the Flip View button. */
4336 flipView = appData.autoFlipView ?
4337 (newGameMode == IcsPlayingBlack) || ics_flip :
4340 /* Done with values from previous mode; copy in new ones */
4341 gameMode = newGameMode;
4343 ics_gamenum = gamenum;
4344 if (gamenum == gs_gamenum) {
4345 int klen = strlen(gs_kind);
4346 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4347 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4348 gameInfo.event = StrSave(str);
4350 gameInfo.event = StrSave("ICS game");
4352 gameInfo.site = StrSave(appData.icsHost);
4353 gameInfo.date = PGNDate();
4354 gameInfo.round = StrSave("-");
4355 gameInfo.white = StrSave(white);
4356 gameInfo.black = StrSave(black);
4357 timeControl = basetime * 60 * 1000;
4359 timeIncrement = increment * 1000;
4360 movesPerSession = 0;
4361 gameInfo.timeControl = TimeControlTagValue();
4362 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4363 if (appData.debugMode) {
4364 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4365 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4366 setbuf(debugFP, NULL);
4369 gameInfo.outOfBook = NULL;
4371 /* Do we have the ratings? */
4372 if (strcmp(player1Name, white) == 0 &&
4373 strcmp(player2Name, black) == 0) {
4374 if (appData.debugMode)
4375 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4376 player1Rating, player2Rating);
4377 gameInfo.whiteRating = player1Rating;
4378 gameInfo.blackRating = player2Rating;
4379 } else if (strcmp(player2Name, white) == 0 &&
4380 strcmp(player1Name, black) == 0) {
4381 if (appData.debugMode)
4382 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4383 player2Rating, player1Rating);
4384 gameInfo.whiteRating = player2Rating;
4385 gameInfo.blackRating = player1Rating;
4387 player1Name[0] = player2Name[0] = NULLCHAR;
4389 /* Silence shouts if requested */
4390 if (appData.quietPlay &&
4391 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4392 SendToICS(ics_prefix);
4393 SendToICS("set shout 0\n");
4397 /* Deal with midgame name changes */
4399 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4400 if (gameInfo.white) free(gameInfo.white);
4401 gameInfo.white = StrSave(white);
4403 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4404 if (gameInfo.black) free(gameInfo.black);
4405 gameInfo.black = StrSave(black);
4409 /* Throw away game result if anything actually changes in examine mode */
4410 if (gameMode == IcsExamining && !newGame) {
4411 gameInfo.result = GameUnfinished;
4412 if (gameInfo.resultDetails != NULL) {
4413 free(gameInfo.resultDetails);
4414 gameInfo.resultDetails = NULL;
4418 /* In pausing && IcsExamining mode, we ignore boards coming
4419 in if they are in a different variation than we are. */
4420 if (pauseExamInvalid) return;
4421 if (pausing && gameMode == IcsExamining) {
4422 if (moveNum <= pauseExamForwardMostMove) {
4423 pauseExamInvalid = TRUE;
4424 forwardMostMove = pauseExamForwardMostMove;
4429 if (appData.debugMode) {
4430 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4432 /* Parse the board */
4433 for (k = 0; k < ranks; k++) {
4434 for (j = 0; j < files; j++)
4435 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4436 if(gameInfo.holdingsWidth > 1) {
4437 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4438 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4441 CopyBoard(boards[moveNum], board);
4442 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4444 startedFromSetupPosition =
4445 !CompareBoards(board, initialPosition);
4446 if(startedFromSetupPosition)
4447 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4450 /* [HGM] Set castling rights. Take the outermost Rooks,
4451 to make it also work for FRC opening positions. Note that board12
4452 is really defective for later FRC positions, as it has no way to
4453 indicate which Rook can castle if they are on the same side of King.
4454 For the initial position we grant rights to the outermost Rooks,
4455 and remember thos rights, and we then copy them on positions
4456 later in an FRC game. This means WB might not recognize castlings with
4457 Rooks that have moved back to their original position as illegal,
4458 but in ICS mode that is not its job anyway.
4460 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4461 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4463 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4464 if(board[0][i] == WhiteRook) j = i;
4465 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4466 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4467 if(board[0][i] == WhiteRook) j = i;
4468 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4469 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4470 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4471 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4472 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4473 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4474 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4476 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4477 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4478 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4479 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4480 if(board[BOARD_HEIGHT-1][k] == bKing)
4481 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4482 if(gameInfo.variant == VariantTwoKings) {
4483 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4484 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4485 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4488 r = boards[moveNum][CASTLING][0] = initialRights[0];
4489 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4490 r = boards[moveNum][CASTLING][1] = initialRights[1];
4491 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4492 r = boards[moveNum][CASTLING][3] = initialRights[3];
4493 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4494 r = boards[moveNum][CASTLING][4] = initialRights[4];
4495 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4496 /* wildcastle kludge: always assume King has rights */
4497 r = boards[moveNum][CASTLING][2] = initialRights[2];
4498 r = boards[moveNum][CASTLING][5] = initialRights[5];
4500 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4501 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4504 if (ics_getting_history == H_GOT_REQ_HEADER ||
4505 ics_getting_history == H_GOT_UNREQ_HEADER) {
4506 /* This was an initial position from a move list, not
4507 the current position */
4511 /* Update currentMove and known move number limits */
4512 newMove = newGame || moveNum > forwardMostMove;
4515 forwardMostMove = backwardMostMove = currentMove = moveNum;
4516 if (gameMode == IcsExamining && moveNum == 0) {
4517 /* Workaround for ICS limitation: we are not told the wild
4518 type when starting to examine a game. But if we ask for
4519 the move list, the move list header will tell us */
4520 ics_getting_history = H_REQUESTED;
4521 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4524 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4525 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4527 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4528 /* [HGM] applied this also to an engine that is silently watching */
4529 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4530 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4531 gameInfo.variant == currentlyInitializedVariant) {
4532 takeback = forwardMostMove - moveNum;
4533 for (i = 0; i < takeback; i++) {
4534 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4535 SendToProgram("undo\n", &first);
4540 forwardMostMove = moveNum;
4541 if (!pausing || currentMove > forwardMostMove)
4542 currentMove = forwardMostMove;
4544 /* New part of history that is not contiguous with old part */
4545 if (pausing && gameMode == IcsExamining) {
4546 pauseExamInvalid = TRUE;
4547 forwardMostMove = pauseExamForwardMostMove;
4550 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4552 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4553 // [HGM] when we will receive the move list we now request, it will be
4554 // fed to the engine from the first move on. So if the engine is not
4555 // in the initial position now, bring it there.
4556 InitChessProgram(&first, 0);
4559 ics_getting_history = H_REQUESTED;
4560 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4563 forwardMostMove = backwardMostMove = currentMove = moveNum;
4566 /* Update the clocks */
4567 if (strchr(elapsed_time, '.')) {
4569 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4570 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4572 /* Time is in seconds */
4573 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4574 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4579 if (appData.zippyPlay && newGame &&
4580 gameMode != IcsObserving && gameMode != IcsIdle &&
4581 gameMode != IcsExamining)
4582 ZippyFirstBoard(moveNum, basetime, increment);
4585 /* Put the move on the move list, first converting
4586 to canonical algebraic form. */
4588 if (appData.debugMode) {
4589 if (appData.debugMode) { int f = forwardMostMove;
4590 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4591 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4592 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4594 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4595 fprintf(debugFP, "moveNum = %d\n", moveNum);
4596 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4597 setbuf(debugFP, NULL);
4599 if (moveNum <= backwardMostMove) {
4600 /* We don't know what the board looked like before
4602 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4603 strcat(parseList[moveNum - 1], " ");
4604 strcat(parseList[moveNum - 1], elapsed_time);
4605 moveList[moveNum - 1][0] = NULLCHAR;
4606 } else if (strcmp(move_str, "none") == 0) {
4607 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4608 /* Again, we don't know what the board looked like;
4609 this is really the start of the game. */
4610 parseList[moveNum - 1][0] = NULLCHAR;
4611 moveList[moveNum - 1][0] = NULLCHAR;
4612 backwardMostMove = moveNum;
4613 startedFromSetupPosition = TRUE;
4614 fromX = fromY = toX = toY = -1;
4616 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4617 // So we parse the long-algebraic move string in stead of the SAN move
4618 int valid; char buf[MSG_SIZ], *prom;
4620 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4621 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4622 // str looks something like "Q/a1-a2"; kill the slash
4624 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4625 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4626 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4627 strcat(buf, prom); // long move lacks promo specification!
4628 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4629 if(appData.debugMode)
4630 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4631 safeStrCpy(move_str, buf, MSG_SIZ);
4633 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4634 &fromX, &fromY, &toX, &toY, &promoChar)
4635 || ParseOneMove(buf, moveNum - 1, &moveType,
4636 &fromX, &fromY, &toX, &toY, &promoChar);
4637 // end of long SAN patch
4639 (void) CoordsToAlgebraic(boards[moveNum - 1],
4640 PosFlags(moveNum - 1),
4641 fromY, fromX, toY, toX, promoChar,
4642 parseList[moveNum-1]);
4643 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4649 if(gameInfo.variant != VariantShogi)
4650 strcat(parseList[moveNum - 1], "+");
4653 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4654 strcat(parseList[moveNum - 1], "#");
4657 strcat(parseList[moveNum - 1], " ");
4658 strcat(parseList[moveNum - 1], elapsed_time);
4659 /* currentMoveString is set as a side-effect of ParseOneMove */
4660 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4661 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4662 strcat(moveList[moveNum - 1], "\n");
4664 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4665 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4666 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4667 ChessSquare old, new = boards[moveNum][k][j];
4668 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4669 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4670 if(old == new) continue;
4671 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4672 else if(new == WhiteWazir || new == BlackWazir) {
4673 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4674 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4675 else boards[moveNum][k][j] = old; // preserve type of Gold
4676 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4677 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4680 /* Move from ICS was illegal!? Punt. */
4681 if (appData.debugMode) {
4682 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4683 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4685 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4686 strcat(parseList[moveNum - 1], " ");
4687 strcat(parseList[moveNum - 1], elapsed_time);
4688 moveList[moveNum - 1][0] = NULLCHAR;
4689 fromX = fromY = toX = toY = -1;
4692 if (appData.debugMode) {
4693 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4694 setbuf(debugFP, NULL);
4698 /* Send move to chess program (BEFORE animating it). */
4699 if (appData.zippyPlay && !newGame && newMove &&
4700 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4702 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4703 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4704 if (moveList[moveNum - 1][0] == NULLCHAR) {
4705 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4707 DisplayError(str, 0);
4709 if (first.sendTime) {
4710 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4712 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4713 if (firstMove && !bookHit) {
4715 if (first.useColors) {
4716 SendToProgram(gameMode == IcsPlayingWhite ?
4718 "black\ngo\n", &first);
4720 SendToProgram("go\n", &first);
4722 first.maybeThinking = TRUE;
4725 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4726 if (moveList[moveNum - 1][0] == NULLCHAR) {
4727 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4728 DisplayError(str, 0);
4730 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4731 SendMoveToProgram(moveNum - 1, &first);
4738 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4739 /* If move comes from a remote source, animate it. If it
4740 isn't remote, it will have already been animated. */
4741 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4742 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4744 if (!pausing && appData.highlightLastMove) {
4745 SetHighlights(fromX, fromY, toX, toY);
4749 /* Start the clocks */
4750 whiteFlag = blackFlag = FALSE;
4751 appData.clockMode = !(basetime == 0 && increment == 0);
4753 ics_clock_paused = TRUE;
4755 } else if (ticking == 1) {
4756 ics_clock_paused = FALSE;
4758 if (gameMode == IcsIdle ||
4759 relation == RELATION_OBSERVING_STATIC ||
4760 relation == RELATION_EXAMINING ||
4762 DisplayBothClocks();
4766 /* Display opponents and material strengths */
4767 if (gameInfo.variant != VariantBughouse &&
4768 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4769 if (tinyLayout || smallLayout) {
4770 if(gameInfo.variant == VariantNormal)
4771 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4772 gameInfo.white, white_stren, gameInfo.black, black_stren,
4773 basetime, increment);
4775 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4776 gameInfo.white, white_stren, gameInfo.black, black_stren,
4777 basetime, increment, (int) gameInfo.variant);
4779 if(gameInfo.variant == VariantNormal)
4780 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4781 gameInfo.white, white_stren, gameInfo.black, black_stren,
4782 basetime, increment);
4784 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4785 gameInfo.white, white_stren, gameInfo.black, black_stren,
4786 basetime, increment, VariantName(gameInfo.variant));
4789 if (appData.debugMode) {
4790 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4795 /* Display the board */
4796 if (!pausing && !appData.noGUI) {
4798 if (appData.premove)
4800 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4801 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4802 ClearPremoveHighlights();
4804 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4805 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4806 DrawPosition(j, boards[currentMove]);
4808 DisplayMove(moveNum - 1);
4809 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4810 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4811 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4812 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4816 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4818 if(bookHit) { // [HGM] book: simulate book reply
4819 static char bookMove[MSG_SIZ]; // a bit generous?
4821 programStats.nodes = programStats.depth = programStats.time =
4822 programStats.score = programStats.got_only_move = 0;
4823 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4825 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4826 strcat(bookMove, bookHit);
4827 HandleMachineMove(bookMove, &first);
4836 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4837 ics_getting_history = H_REQUESTED;
4838 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4844 AnalysisPeriodicEvent(force)
4847 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4848 && !force) || !appData.periodicUpdates)
4851 /* Send . command to Crafty to collect stats */
4852 SendToProgram(".\n", &first);
4854 /* Don't send another until we get a response (this makes
4855 us stop sending to old Crafty's which don't understand
4856 the "." command (sending illegal cmds resets node count & time,
4857 which looks bad)) */
4858 programStats.ok_to_send = 0;
4861 void ics_update_width(new_width)
4864 ics_printf("set width %d\n", new_width);
4868 SendMoveToProgram(moveNum, cps)
4870 ChessProgramState *cps;
4874 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4875 // null move in variant where engine does not understand it (for analysis purposes)
4876 SendBoard(cps, moveNum + 1); // send position after move in stead.
4879 if (cps->useUsermove) {
4880 SendToProgram("usermove ", cps);
4884 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4885 int len = space - parseList[moveNum];
4886 memcpy(buf, parseList[moveNum], len);
4888 buf[len] = NULLCHAR;
4890 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4892 SendToProgram(buf, cps);
4894 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4895 AlphaRank(moveList[moveNum], 4);
4896 SendToProgram(moveList[moveNum], cps);
4897 AlphaRank(moveList[moveNum], 4); // and back
4899 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4900 * the engine. It would be nice to have a better way to identify castle
4902 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4903 && cps->useOOCastle) {
4904 int fromX = moveList[moveNum][0] - AAA;
4905 int fromY = moveList[moveNum][1] - ONE;
4906 int toX = moveList[moveNum][2] - AAA;
4907 int toY = moveList[moveNum][3] - ONE;
4908 if((boards[moveNum][fromY][fromX] == WhiteKing
4909 && boards[moveNum][toY][toX] == WhiteRook)
4910 || (boards[moveNum][fromY][fromX] == BlackKing
4911 && boards[moveNum][toY][toX] == BlackRook)) {
4912 if(toX > fromX) SendToProgram("O-O\n", cps);
4913 else SendToProgram("O-O-O\n", cps);
4915 else SendToProgram(moveList[moveNum], cps);
4917 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4918 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4919 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4920 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4921 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4923 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4924 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4925 SendToProgram(buf, cps);
4927 else SendToProgram(moveList[moveNum], cps);
4928 /* End of additions by Tord */
4931 /* [HGM] setting up the opening has brought engine in force mode! */
4932 /* Send 'go' if we are in a mode where machine should play. */
4933 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4934 (gameMode == TwoMachinesPlay ||
4936 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4938 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4939 SendToProgram("go\n", cps);
4940 if (appData.debugMode) {
4941 fprintf(debugFP, "(extra)\n");
4944 setboardSpoiledMachineBlack = 0;
4948 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4950 int fromX, fromY, toX, toY;
4953 char user_move[MSG_SIZ];
4957 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4958 (int)moveType, fromX, fromY, toX, toY);
4959 DisplayError(user_move + strlen("say "), 0);
4961 case WhiteKingSideCastle:
4962 case BlackKingSideCastle:
4963 case WhiteQueenSideCastleWild:
4964 case BlackQueenSideCastleWild:
4966 case WhiteHSideCastleFR:
4967 case BlackHSideCastleFR:
4969 snprintf(user_move, MSG_SIZ, "o-o\n");
4971 case WhiteQueenSideCastle:
4972 case BlackQueenSideCastle:
4973 case WhiteKingSideCastleWild:
4974 case BlackKingSideCastleWild:
4976 case WhiteASideCastleFR:
4977 case BlackASideCastleFR:
4979 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4981 case WhiteNonPromotion:
4982 case BlackNonPromotion:
4983 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4985 case WhitePromotion:
4986 case BlackPromotion:
4987 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4988 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4989 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4990 PieceToChar(WhiteFerz));
4991 else if(gameInfo.variant == VariantGreat)
4992 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4993 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4994 PieceToChar(WhiteMan));
4996 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4997 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5003 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5004 ToUpper(PieceToChar((ChessSquare) fromX)),
5005 AAA + toX, ONE + toY);
5007 case IllegalMove: /* could be a variant we don't quite understand */
5008 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5010 case WhiteCapturesEnPassant:
5011 case BlackCapturesEnPassant:
5012 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5013 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5016 SendToICS(user_move);
5017 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5018 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5023 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5024 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5025 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5026 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5027 DisplayError("You cannot do this while you are playing or observing", 0);
5030 if(gameMode != IcsExamining) { // is this ever not the case?
5031 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5033 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5034 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5035 } else { // on FICS we must first go to general examine mode
5036 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5038 if(gameInfo.variant != VariantNormal) {
5039 // try figure out wild number, as xboard names are not always valid on ICS
5040 for(i=1; i<=36; i++) {
5041 snprintf(buf, MSG_SIZ, "wild/%d", i);
5042 if(StringToVariant(buf) == gameInfo.variant) break;
5044 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5045 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5046 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5047 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5048 SendToICS(ics_prefix);
5050 if(startedFromSetupPosition || backwardMostMove != 0) {
5051 fen = PositionToFEN(backwardMostMove, NULL);
5052 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5053 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5055 } else { // FICS: everything has to set by separate bsetup commands
5056 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5057 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5059 if(!WhiteOnMove(backwardMostMove)) {
5060 SendToICS("bsetup tomove black\n");
5062 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5063 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5065 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5066 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5068 i = boards[backwardMostMove][EP_STATUS];
5069 if(i >= 0) { // set e.p.
5070 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5076 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5077 SendToICS("bsetup done\n"); // switch to normal examining.
5079 for(i = backwardMostMove; i<last; i++) {
5081 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5084 SendToICS(ics_prefix);
5085 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5089 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5094 if (rf == DROP_RANK) {
5095 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5096 sprintf(move, "%c@%c%c\n",
5097 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5099 if (promoChar == 'x' || promoChar == NULLCHAR) {
5100 sprintf(move, "%c%c%c%c\n",
5101 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5103 sprintf(move, "%c%c%c%c%c\n",
5104 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5110 ProcessICSInitScript(f)
5115 while (fgets(buf, MSG_SIZ, f)) {
5116 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5123 static int lastX, lastY, selectFlag, dragging;
5128 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5129 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5130 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5131 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5132 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5133 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5136 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5137 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5138 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5139 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5140 if(!step) step = -1;
5141 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5142 appData.testLegality && (promoSweep == king ||
5143 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5144 ChangeDragPiece(promoSweep);
5147 int PromoScroll(int x, int y)
5151 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5152 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5153 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5154 if(!step) return FALSE;
5155 lastX = x; lastY = y;
5156 if((promoSweep < BlackPawn) == flipView) step = -step;
5157 if(step > 0) selectFlag = 1;
5158 if(!selectFlag) Sweep(step);
5165 ChessSquare piece = boards[currentMove][toY][toX];
5168 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5169 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5170 if(!step) step = -1;
5171 } while(PieceToChar(pieceSweep) == '.');
5172 boards[currentMove][toY][toX] = pieceSweep;
5173 DrawPosition(FALSE, boards[currentMove]);
5174 boards[currentMove][toY][toX] = piece;
5176 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5178 AlphaRank(char *move, int n)
5180 // char *p = move, c; int x, y;
5182 if (appData.debugMode) {
5183 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5187 move[2]>='0' && move[2]<='9' &&
5188 move[3]>='a' && move[3]<='x' ) {
5190 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5191 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5193 if(move[0]>='0' && move[0]<='9' &&
5194 move[1]>='a' && move[1]<='x' &&
5195 move[2]>='0' && move[2]<='9' &&
5196 move[3]>='a' && move[3]<='x' ) {
5197 /* input move, Shogi -> normal */
5198 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5199 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5200 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5201 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5204 move[3]>='0' && move[3]<='9' &&
5205 move[2]>='a' && move[2]<='x' ) {
5207 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5208 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5211 move[0]>='a' && move[0]<='x' &&
5212 move[3]>='0' && move[3]<='9' &&
5213 move[2]>='a' && move[2]<='x' ) {
5214 /* output move, normal -> Shogi */
5215 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5216 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5217 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5218 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5219 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5221 if (appData.debugMode) {
5222 fprintf(debugFP, " out = '%s'\n", move);
5226 char yy_textstr[8000];
5228 /* Parser for moves from gnuchess, ICS, or user typein box */
5230 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5233 ChessMove *moveType;
5234 int *fromX, *fromY, *toX, *toY;
5237 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5239 switch (*moveType) {
5240 case WhitePromotion:
5241 case BlackPromotion:
5242 case WhiteNonPromotion:
5243 case BlackNonPromotion:
5245 case WhiteCapturesEnPassant:
5246 case BlackCapturesEnPassant:
5247 case WhiteKingSideCastle:
5248 case WhiteQueenSideCastle:
5249 case BlackKingSideCastle:
5250 case BlackQueenSideCastle:
5251 case WhiteKingSideCastleWild:
5252 case WhiteQueenSideCastleWild:
5253 case BlackKingSideCastleWild:
5254 case BlackQueenSideCastleWild:
5255 /* Code added by Tord: */
5256 case WhiteHSideCastleFR:
5257 case WhiteASideCastleFR:
5258 case BlackHSideCastleFR:
5259 case BlackASideCastleFR:
5260 /* End of code added by Tord */
5261 case IllegalMove: /* bug or odd chess variant */
5262 *fromX = currentMoveString[0] - AAA;
5263 *fromY = currentMoveString[1] - ONE;
5264 *toX = currentMoveString[2] - AAA;
5265 *toY = currentMoveString[3] - ONE;
5266 *promoChar = currentMoveString[4];
5267 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5268 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5269 if (appData.debugMode) {
5270 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5272 *fromX = *fromY = *toX = *toY = 0;
5275 if (appData.testLegality) {
5276 return (*moveType != IllegalMove);
5278 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5279 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5284 *fromX = *moveType == WhiteDrop ?
5285 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5286 (int) CharToPiece(ToLower(currentMoveString[0]));
5288 *toX = currentMoveString[2] - AAA;
5289 *toY = currentMoveString[3] - ONE;
5290 *promoChar = NULLCHAR;
5294 case ImpossibleMove:
5304 if (appData.debugMode) {
5305 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5308 *fromX = *fromY = *toX = *toY = 0;
5309 *promoChar = NULLCHAR;
5314 Boolean pushed = FALSE;
5315 char *lastParseAttempt;
5318 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5319 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5320 int fromX, fromY, toX, toY; char promoChar;
5325 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5326 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5329 endPV = forwardMostMove;
5331 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5332 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5333 lastParseAttempt = pv;
5334 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5335 if(appData.debugMode){
5336 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);
5338 if(!valid && nr == 0 &&
5339 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5340 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5341 // Hande case where played move is different from leading PV move
5342 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5343 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5344 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5345 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5346 endPV += 2; // if position different, keep this
5347 moveList[endPV-1][0] = fromX + AAA;
5348 moveList[endPV-1][1] = fromY + ONE;
5349 moveList[endPV-1][2] = toX + AAA;
5350 moveList[endPV-1][3] = toY + ONE;
5351 parseList[endPV-1][0] = NULLCHAR;
5352 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5355 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5356 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5357 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5358 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5359 valid++; // allow comments in PV
5363 if(endPV+1 > framePtr) break; // no space, truncate
5366 CopyBoard(boards[endPV], boards[endPV-1]);
5367 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5368 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5369 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5370 CoordsToAlgebraic(boards[endPV - 1],
5371 PosFlags(endPV - 1),
5372 fromY, fromX, toY, toX, promoChar,
5373 parseList[endPV - 1]);
5375 if(atEnd == 2) return; // used hidden, for PV conversion
5376 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5377 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5378 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5379 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5380 DrawPosition(TRUE, boards[currentMove]);
5384 MultiPV(ChessProgramState *cps)
5385 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5387 for(i=0; i<cps->nrOptions; i++)
5388 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5394 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5396 int startPV, multi, lineStart, origIndex = index;
5397 char *p, buf2[MSG_SIZ];
5399 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5400 lastX = x; lastY = y;
5401 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5402 lineStart = startPV = index;
5403 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5404 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5406 do{ while(buf[index] && buf[index] != '\n') index++;
5407 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5409 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5410 int n = first.option[multi].value;
5411 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5412 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5413 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5414 first.option[multi].value = n;
5418 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5419 *start = startPV; *end = index-1;
5426 static char buf[10*MSG_SIZ];
5427 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5429 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5430 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5431 for(i = forwardMostMove; i<endPV; i++){
5432 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5433 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5436 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5437 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5443 LoadPV(int x, int y)
5444 { // called on right mouse click to load PV
5445 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5446 lastX = x; lastY = y;
5447 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5454 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5455 if(endPV < 0) return;
5457 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5458 Boolean saveAnimate = appData.animate;
5460 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5461 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5462 } else storedGames--; // abandon shelved tail of original game
5465 forwardMostMove = currentMove;
5466 currentMove = oldFMM;
5467 appData.animate = FALSE;
5468 ToNrEvent(forwardMostMove);
5469 appData.animate = saveAnimate;
5471 currentMove = forwardMostMove;
5472 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5473 ClearPremoveHighlights();
5474 DrawPosition(TRUE, boards[currentMove]);
5478 MovePV(int x, int y, int h)
5479 { // step through PV based on mouse coordinates (called on mouse move)
5480 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5482 // we must somehow check if right button is still down (might be released off board!)
5483 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5484 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5485 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5487 lastX = x; lastY = y;
5489 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5490 if(endPV < 0) return;
5491 if(y < margin) step = 1; else
5492 if(y > h - margin) step = -1;
5493 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5494 currentMove += step;
5495 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5496 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5497 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5498 DrawPosition(FALSE, boards[currentMove]);
5502 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5503 // All positions will have equal probability, but the current method will not provide a unique
5504 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5510 int piecesLeft[(int)BlackPawn];
5511 int seed, nrOfShuffles;
5513 void GetPositionNumber()
5514 { // sets global variable seed
5517 seed = appData.defaultFrcPosition;
5518 if(seed < 0) { // randomize based on time for negative FRC position numbers
5519 for(i=0; i<50; i++) seed += random();
5520 seed = random() ^ random() >> 8 ^ random() << 8;
5521 if(seed<0) seed = -seed;
5525 int put(Board board, int pieceType, int rank, int n, int shade)
5526 // put the piece on the (n-1)-th empty squares of the given shade
5530 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5531 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5532 board[rank][i] = (ChessSquare) pieceType;
5533 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5535 piecesLeft[pieceType]--;
5543 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5544 // calculate where the next piece goes, (any empty square), and put it there
5548 i = seed % squaresLeft[shade];
5549 nrOfShuffles *= squaresLeft[shade];
5550 seed /= squaresLeft[shade];
5551 put(board, pieceType, rank, i, shade);
5554 void AddTwoPieces(Board board, int pieceType, int rank)
5555 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5557 int i, n=squaresLeft[ANY], j=n-1, k;
5559 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5560 i = seed % k; // pick one
5563 while(i >= j) i -= j--;
5564 j = n - 1 - j; i += j;
5565 put(board, pieceType, rank, j, ANY);
5566 put(board, pieceType, rank, i, ANY);
5569 void SetUpShuffle(Board board, int number)
5573 GetPositionNumber(); nrOfShuffles = 1;
5575 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5576 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5577 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5579 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5581 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5582 p = (int) board[0][i];
5583 if(p < (int) BlackPawn) piecesLeft[p] ++;
5584 board[0][i] = EmptySquare;
5587 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5588 // shuffles restricted to allow normal castling put KRR first
5589 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5590 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5591 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5592 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5593 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5594 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5595 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5596 put(board, WhiteRook, 0, 0, ANY);
5597 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5600 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5601 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5602 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5603 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5604 while(piecesLeft[p] >= 2) {
5605 AddOnePiece(board, p, 0, LITE);
5606 AddOnePiece(board, p, 0, DARK);
5608 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5611 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5612 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5613 // but we leave King and Rooks for last, to possibly obey FRC restriction
5614 if(p == (int)WhiteRook) continue;
5615 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5616 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5619 // now everything is placed, except perhaps King (Unicorn) and Rooks
5621 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5622 // Last King gets castling rights
5623 while(piecesLeft[(int)WhiteUnicorn]) {
5624 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5625 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5628 while(piecesLeft[(int)WhiteKing]) {
5629 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5630 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5635 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5636 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5639 // Only Rooks can be left; simply place them all
5640 while(piecesLeft[(int)WhiteRook]) {
5641 i = put(board, WhiteRook, 0, 0, ANY);
5642 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5645 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5647 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5650 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5651 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5654 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5657 int SetCharTable( char *table, const char * map )
5658 /* [HGM] moved here from winboard.c because of its general usefulness */
5659 /* Basically a safe strcpy that uses the last character as King */
5661 int result = FALSE; int NrPieces;
5663 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5664 && NrPieces >= 12 && !(NrPieces&1)) {
5665 int i; /* [HGM] Accept even length from 12 to 34 */
5667 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5668 for( i=0; i<NrPieces/2-1; i++ ) {
5670 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5672 table[(int) WhiteKing] = map[NrPieces/2-1];
5673 table[(int) BlackKing] = map[NrPieces-1];
5681 void Prelude(Board board)
5682 { // [HGM] superchess: random selection of exo-pieces
5683 int i, j, k; ChessSquare p;
5684 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5686 GetPositionNumber(); // use FRC position number
5688 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5689 SetCharTable(pieceToChar, appData.pieceToCharTable);
5690 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5691 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5694 j = seed%4; seed /= 4;
5695 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5696 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5697 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5698 j = seed%3 + (seed%3 >= j); seed /= 3;
5699 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5700 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5701 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5702 j = seed%3; seed /= 3;
5703 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5704 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5705 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5706 j = seed%2 + (seed%2 >= j); seed /= 2;
5707 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5708 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5709 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5710 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5711 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5712 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5713 put(board, exoPieces[0], 0, 0, ANY);
5714 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5718 InitPosition(redraw)
5721 ChessSquare (* pieces)[BOARD_FILES];
5722 int i, j, pawnRow, overrule,
5723 oldx = gameInfo.boardWidth,
5724 oldy = gameInfo.boardHeight,
5725 oldh = gameInfo.holdingsWidth;
5728 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5730 /* [AS] Initialize pv info list [HGM] and game status */
5732 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5733 pvInfoList[i].depth = 0;
5734 boards[i][EP_STATUS] = EP_NONE;
5735 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5738 initialRulePlies = 0; /* 50-move counter start */
5740 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5741 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5745 /* [HGM] logic here is completely changed. In stead of full positions */
5746 /* the initialized data only consist of the two backranks. The switch */
5747 /* selects which one we will use, which is than copied to the Board */
5748 /* initialPosition, which for the rest is initialized by Pawns and */
5749 /* empty squares. This initial position is then copied to boards[0], */
5750 /* possibly after shuffling, so that it remains available. */
5752 gameInfo.holdingsWidth = 0; /* default board sizes */
5753 gameInfo.boardWidth = 8;
5754 gameInfo.boardHeight = 8;
5755 gameInfo.holdingsSize = 0;
5756 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5757 for(i=0; i<BOARD_FILES-2; i++)
5758 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5759 initialPosition[EP_STATUS] = EP_NONE;
5760 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5761 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5762 SetCharTable(pieceNickName, appData.pieceNickNames);
5763 else SetCharTable(pieceNickName, "............");
5766 switch (gameInfo.variant) {
5767 case VariantFischeRandom:
5768 shuffleOpenings = TRUE;
5771 case VariantShatranj:
5772 pieces = ShatranjArray;
5773 nrCastlingRights = 0;
5774 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5777 pieces = makrukArray;
5778 nrCastlingRights = 0;
5779 startedFromSetupPosition = TRUE;
5780 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5782 case VariantTwoKings:
5783 pieces = twoKingsArray;
5786 pieces = GrandArray;
5787 nrCastlingRights = 0;
5788 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5789 gameInfo.boardWidth = 10;
5790 gameInfo.boardHeight = 10;
5791 gameInfo.holdingsSize = 7;
5793 case VariantCapaRandom:
5794 shuffleOpenings = TRUE;
5795 case VariantCapablanca:
5796 pieces = CapablancaArray;
5797 gameInfo.boardWidth = 10;
5798 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5801 pieces = GothicArray;
5802 gameInfo.boardWidth = 10;
5803 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5806 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5807 gameInfo.holdingsSize = 7;
5810 pieces = JanusArray;
5811 gameInfo.boardWidth = 10;
5812 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5813 nrCastlingRights = 6;
5814 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5815 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5816 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5817 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5818 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5819 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5822 pieces = FalconArray;
5823 gameInfo.boardWidth = 10;
5824 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5826 case VariantXiangqi:
5827 pieces = XiangqiArray;
5828 gameInfo.boardWidth = 9;
5829 gameInfo.boardHeight = 10;
5830 nrCastlingRights = 0;
5831 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5834 pieces = ShogiArray;
5835 gameInfo.boardWidth = 9;
5836 gameInfo.boardHeight = 9;
5837 gameInfo.holdingsSize = 7;
5838 nrCastlingRights = 0;
5839 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5841 case VariantCourier:
5842 pieces = CourierArray;
5843 gameInfo.boardWidth = 12;
5844 nrCastlingRights = 0;
5845 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5847 case VariantKnightmate:
5848 pieces = KnightmateArray;
5849 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5851 case VariantSpartan:
5852 pieces = SpartanArray;
5853 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5856 pieces = fairyArray;
5857 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5860 pieces = GreatArray;
5861 gameInfo.boardWidth = 10;
5862 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5863 gameInfo.holdingsSize = 8;
5867 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5868 gameInfo.holdingsSize = 8;
5869 startedFromSetupPosition = TRUE;
5871 case VariantCrazyhouse:
5872 case VariantBughouse:
5874 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5875 gameInfo.holdingsSize = 5;
5877 case VariantWildCastle:
5879 /* !!?shuffle with kings guaranteed to be on d or e file */
5880 shuffleOpenings = 1;
5882 case VariantNoCastle:
5884 nrCastlingRights = 0;
5885 /* !!?unconstrained back-rank shuffle */
5886 shuffleOpenings = 1;
5891 if(appData.NrFiles >= 0) {
5892 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5893 gameInfo.boardWidth = appData.NrFiles;
5895 if(appData.NrRanks >= 0) {
5896 gameInfo.boardHeight = appData.NrRanks;
5898 if(appData.holdingsSize >= 0) {
5899 i = appData.holdingsSize;
5900 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5901 gameInfo.holdingsSize = i;
5903 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5904 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5905 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5907 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5908 if(pawnRow < 1) pawnRow = 1;
5909 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5911 /* User pieceToChar list overrules defaults */
5912 if(appData.pieceToCharTable != NULL)
5913 SetCharTable(pieceToChar, appData.pieceToCharTable);
5915 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5917 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5918 s = (ChessSquare) 0; /* account holding counts in guard band */
5919 for( i=0; i<BOARD_HEIGHT; i++ )
5920 initialPosition[i][j] = s;
5922 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5923 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5924 initialPosition[pawnRow][j] = WhitePawn;
5925 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5926 if(gameInfo.variant == VariantXiangqi) {
5928 initialPosition[pawnRow][j] =
5929 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5930 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5931 initialPosition[2][j] = WhiteCannon;
5932 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5936 if(gameInfo.variant == VariantGrand) {
5937 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5938 initialPosition[0][j] = WhiteRook;
5939 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5942 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5944 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5947 initialPosition[1][j] = WhiteBishop;
5948 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5950 initialPosition[1][j] = WhiteRook;
5951 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5954 if( nrCastlingRights == -1) {
5955 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5956 /* This sets default castling rights from none to normal corners */
5957 /* Variants with other castling rights must set them themselves above */
5958 nrCastlingRights = 6;
5960 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5961 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5962 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5963 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5964 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5965 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5968 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5969 if(gameInfo.variant == VariantGreat) { // promotion commoners
5970 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5971 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5972 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5973 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5975 if( gameInfo.variant == VariantSChess ) {
5976 initialPosition[1][0] = BlackMarshall;
5977 initialPosition[2][0] = BlackAngel;
5978 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5979 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5980 initialPosition[1][1] = initialPosition[2][1] =
5981 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5983 if (appData.debugMode) {
5984 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5986 if(shuffleOpenings) {
5987 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5988 startedFromSetupPosition = TRUE;
5990 if(startedFromPositionFile) {
5991 /* [HGM] loadPos: use PositionFile for every new game */
5992 CopyBoard(initialPosition, filePosition);
5993 for(i=0; i<nrCastlingRights; i++)
5994 initialRights[i] = filePosition[CASTLING][i];
5995 startedFromSetupPosition = TRUE;
5998 CopyBoard(boards[0], initialPosition);
6000 if(oldx != gameInfo.boardWidth ||
6001 oldy != gameInfo.boardHeight ||
6002 oldv != gameInfo.variant ||
6003 oldh != gameInfo.holdingsWidth
6005 InitDrawingSizes(-2 ,0);
6007 oldv = gameInfo.variant;
6009 DrawPosition(TRUE, boards[currentMove]);
6013 SendBoard(cps, moveNum)
6014 ChessProgramState *cps;
6017 char message[MSG_SIZ];
6019 if (cps->useSetboard) {
6020 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6021 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6022 SendToProgram(message, cps);
6028 /* Kludge to set black to move, avoiding the troublesome and now
6029 * deprecated "black" command.
6031 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6032 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6034 SendToProgram("edit\n", cps);
6035 SendToProgram("#\n", cps);
6036 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6037 bp = &boards[moveNum][i][BOARD_LEFT];
6038 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6039 if ((int) *bp < (int) BlackPawn) {
6040 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6042 if(message[0] == '+' || message[0] == '~') {
6043 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6044 PieceToChar((ChessSquare)(DEMOTED *bp)),
6047 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6048 message[1] = BOARD_RGHT - 1 - j + '1';
6049 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6051 SendToProgram(message, cps);
6056 SendToProgram("c\n", cps);
6057 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6058 bp = &boards[moveNum][i][BOARD_LEFT];
6059 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6060 if (((int) *bp != (int) EmptySquare)
6061 && ((int) *bp >= (int) BlackPawn)) {
6062 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6064 if(message[0] == '+' || message[0] == '~') {
6065 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6066 PieceToChar((ChessSquare)(DEMOTED *bp)),
6069 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6070 message[1] = BOARD_RGHT - 1 - j + '1';
6071 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6073 SendToProgram(message, cps);
6078 SendToProgram(".\n", cps);
6080 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6084 DefaultPromoChoice(int white)
6087 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6088 result = WhiteFerz; // no choice
6089 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6090 result= WhiteKing; // in Suicide Q is the last thing we want
6091 else if(gameInfo.variant == VariantSpartan)
6092 result = white ? WhiteQueen : WhiteAngel;
6093 else result = WhiteQueen;
6094 if(!white) result = WHITE_TO_BLACK result;
6098 static int autoQueen; // [HGM] oneclick
6101 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6103 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6104 /* [HGM] add Shogi promotions */
6105 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6110 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6111 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6113 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6114 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6117 piece = boards[currentMove][fromY][fromX];
6118 if(gameInfo.variant == VariantShogi) {
6119 promotionZoneSize = BOARD_HEIGHT/3;
6120 highestPromotingPiece = (int)WhiteFerz;
6121 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6122 promotionZoneSize = 3;
6125 // Treat Lance as Pawn when it is not representing Amazon
6126 if(gameInfo.variant != VariantSuper) {
6127 if(piece == WhiteLance) piece = WhitePawn; else
6128 if(piece == BlackLance) piece = BlackPawn;
6131 // next weed out all moves that do not touch the promotion zone at all
6132 if((int)piece >= BlackPawn) {
6133 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6135 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6137 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6138 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6141 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6143 // weed out mandatory Shogi promotions
6144 if(gameInfo.variant == VariantShogi) {
6145 if(piece >= BlackPawn) {
6146 if(toY == 0 && piece == BlackPawn ||
6147 toY == 0 && piece == BlackQueen ||
6148 toY <= 1 && piece == BlackKnight) {
6153 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6154 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6155 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6162 // weed out obviously illegal Pawn moves
6163 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6164 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6165 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6166 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6167 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6168 // note we are not allowed to test for valid (non-)capture, due to premove
6171 // we either have a choice what to promote to, or (in Shogi) whether to promote
6172 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6173 *promoChoice = PieceToChar(BlackFerz); // no choice
6176 // no sense asking what we must promote to if it is going to explode...
6177 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6178 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6181 // give caller the default choice even if we will not make it
6182 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6183 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6184 if( sweepSelect && gameInfo.variant != VariantGreat
6185 && gameInfo.variant != VariantGrand
6186 && gameInfo.variant != VariantSuper) return FALSE;
6187 if(autoQueen) return FALSE; // predetermined
6189 // suppress promotion popup on illegal moves that are not premoves
6190 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6191 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6192 if(appData.testLegality && !premove) {
6193 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6194 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6195 if(moveType != WhitePromotion && moveType != BlackPromotion)
6203 InPalace(row, column)
6205 { /* [HGM] for Xiangqi */
6206 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6207 column < (BOARD_WIDTH + 4)/2 &&
6208 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6213 PieceForSquare (x, y)
6217 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6220 return boards[currentMove][y][x];
6224 OKToStartUserMove(x, y)
6227 ChessSquare from_piece;
6230 if (matchMode) return FALSE;
6231 if (gameMode == EditPosition) return TRUE;
6233 if (x >= 0 && y >= 0)
6234 from_piece = boards[currentMove][y][x];
6236 from_piece = EmptySquare;
6238 if (from_piece == EmptySquare) return FALSE;
6240 white_piece = (int)from_piece >= (int)WhitePawn &&
6241 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6245 case TwoMachinesPlay:
6253 case MachinePlaysWhite:
6254 case IcsPlayingBlack:
6255 if (appData.zippyPlay) return FALSE;
6257 DisplayMoveError(_("You are playing Black"));
6262 case MachinePlaysBlack:
6263 case IcsPlayingWhite:
6264 if (appData.zippyPlay) return FALSE;
6266 DisplayMoveError(_("You are playing White"));
6271 case PlayFromGameFile:
6272 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6274 if (!white_piece && WhiteOnMove(currentMove)) {
6275 DisplayMoveError(_("It is White's turn"));
6278 if (white_piece && !WhiteOnMove(currentMove)) {
6279 DisplayMoveError(_("It is Black's turn"));
6282 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6283 /* Editing correspondence game history */
6284 /* Could disallow this or prompt for confirmation */
6289 case BeginningOfGame:
6290 if (appData.icsActive) return FALSE;
6291 if (!appData.noChessProgram) {
6293 DisplayMoveError(_("You are playing White"));
6300 if (!white_piece && WhiteOnMove(currentMove)) {
6301 DisplayMoveError(_("It is White's turn"));
6304 if (white_piece && !WhiteOnMove(currentMove)) {
6305 DisplayMoveError(_("It is Black's turn"));
6314 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6315 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6316 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6317 && gameMode != AnalyzeFile && gameMode != Training) {
6318 DisplayMoveError(_("Displayed position is not current"));
6325 OnlyMove(int *x, int *y, Boolean captures) {
6326 DisambiguateClosure cl;
6327 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6329 case MachinePlaysBlack:
6330 case IcsPlayingWhite:
6331 case BeginningOfGame:
6332 if(!WhiteOnMove(currentMove)) return FALSE;
6334 case MachinePlaysWhite:
6335 case IcsPlayingBlack:
6336 if(WhiteOnMove(currentMove)) return FALSE;
6343 cl.pieceIn = EmptySquare;
6348 cl.promoCharIn = NULLCHAR;
6349 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6350 if( cl.kind == NormalMove ||
6351 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6352 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6353 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6360 if(cl.kind != ImpossibleMove) return FALSE;
6361 cl.pieceIn = EmptySquare;
6366 cl.promoCharIn = NULLCHAR;
6367 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6368 if( cl.kind == NormalMove ||
6369 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6370 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6371 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6376 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6382 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6383 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6384 int lastLoadGameUseList = FALSE;
6385 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6386 ChessMove lastLoadGameStart = EndOfFile;
6389 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6390 int fromX, fromY, toX, toY;
6394 ChessSquare pdown, pup;
6396 /* Check if the user is playing in turn. This is complicated because we
6397 let the user "pick up" a piece before it is his turn. So the piece he
6398 tried to pick up may have been captured by the time he puts it down!
6399 Therefore we use the color the user is supposed to be playing in this
6400 test, not the color of the piece that is currently on the starting
6401 square---except in EditGame mode, where the user is playing both
6402 sides; fortunately there the capture race can't happen. (It can
6403 now happen in IcsExamining mode, but that's just too bad. The user
6404 will get a somewhat confusing message in that case.)
6409 case TwoMachinesPlay:
6413 /* We switched into a game mode where moves are not accepted,
6414 perhaps while the mouse button was down. */
6417 case MachinePlaysWhite:
6418 /* User is moving for Black */
6419 if (WhiteOnMove(currentMove)) {
6420 DisplayMoveError(_("It is White's turn"));
6425 case MachinePlaysBlack:
6426 /* User is moving for White */
6427 if (!WhiteOnMove(currentMove)) {
6428 DisplayMoveError(_("It is Black's turn"));
6433 case PlayFromGameFile:
6434 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6437 case BeginningOfGame:
6440 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6441 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6442 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6443 /* User is moving for Black */
6444 if (WhiteOnMove(currentMove)) {
6445 DisplayMoveError(_("It is White's turn"));
6449 /* User is moving for White */
6450 if (!WhiteOnMove(currentMove)) {
6451 DisplayMoveError(_("It is Black's turn"));
6457 case IcsPlayingBlack:
6458 /* User is moving for Black */
6459 if (WhiteOnMove(currentMove)) {
6460 if (!appData.premove) {
6461 DisplayMoveError(_("It is White's turn"));
6462 } else if (toX >= 0 && toY >= 0) {
6465 premoveFromX = fromX;
6466 premoveFromY = fromY;
6467 premovePromoChar = promoChar;
6469 if (appData.debugMode)
6470 fprintf(debugFP, "Got premove: fromX %d,"
6471 "fromY %d, toX %d, toY %d\n",
6472 fromX, fromY, toX, toY);
6478 case IcsPlayingWhite:
6479 /* User is moving for White */
6480 if (!WhiteOnMove(currentMove)) {
6481 if (!appData.premove) {
6482 DisplayMoveError(_("It is Black's turn"));
6483 } else if (toX >= 0 && toY >= 0) {
6486 premoveFromX = fromX;
6487 premoveFromY = fromY;
6488 premovePromoChar = promoChar;
6490 if (appData.debugMode)
6491 fprintf(debugFP, "Got premove: fromX %d,"
6492 "fromY %d, toX %d, toY %d\n",
6493 fromX, fromY, toX, toY);
6503 /* EditPosition, empty square, or different color piece;
6504 click-click move is possible */
6505 if (toX == -2 || toY == -2) {
6506 boards[0][fromY][fromX] = EmptySquare;
6507 DrawPosition(FALSE, boards[currentMove]);
6509 } else if (toX >= 0 && toY >= 0) {
6510 boards[0][toY][toX] = boards[0][fromY][fromX];
6511 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6512 if(boards[0][fromY][0] != EmptySquare) {
6513 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6514 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6517 if(fromX == BOARD_RGHT+1) {
6518 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6519 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6520 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6523 boards[0][fromY][fromX] = EmptySquare;
6524 DrawPosition(FALSE, boards[currentMove]);
6530 if(toX < 0 || toY < 0) return;
6531 pdown = boards[currentMove][fromY][fromX];
6532 pup = boards[currentMove][toY][toX];
6534 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6535 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6536 if( pup != EmptySquare ) return;
6537 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6538 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6539 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6540 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6541 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6542 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6543 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6547 /* [HGM] always test for legality, to get promotion info */
6548 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6549 fromY, fromX, toY, toX, promoChar);
6551 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6553 /* [HGM] but possibly ignore an IllegalMove result */
6554 if (appData.testLegality) {
6555 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6556 DisplayMoveError(_("Illegal move"));
6561 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6564 /* Common tail of UserMoveEvent and DropMenuEvent */
6566 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6568 int fromX, fromY, toX, toY;
6569 /*char*/int promoChar;
6573 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6574 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6575 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6576 if(WhiteOnMove(currentMove)) {
6577 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6579 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6583 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6584 move type in caller when we know the move is a legal promotion */
6585 if(moveType == NormalMove && promoChar)
6586 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6588 /* [HGM] <popupFix> The following if has been moved here from
6589 UserMoveEvent(). Because it seemed to belong here (why not allow
6590 piece drops in training games?), and because it can only be
6591 performed after it is known to what we promote. */
6592 if (gameMode == Training) {
6593 /* compare the move played on the board to the next move in the
6594 * game. If they match, display the move and the opponent's response.
6595 * If they don't match, display an error message.
6599 CopyBoard(testBoard, boards[currentMove]);
6600 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6602 if (CompareBoards(testBoard, boards[currentMove+1])) {
6603 ForwardInner(currentMove+1);
6605 /* Autoplay the opponent's response.
6606 * if appData.animate was TRUE when Training mode was entered,
6607 * the response will be animated.
6609 saveAnimate = appData.animate;
6610 appData.animate = animateTraining;
6611 ForwardInner(currentMove+1);
6612 appData.animate = saveAnimate;
6614 /* check for the end of the game */
6615 if (currentMove >= forwardMostMove) {
6616 gameMode = PlayFromGameFile;
6618 SetTrainingModeOff();
6619 DisplayInformation(_("End of game"));
6622 DisplayError(_("Incorrect move"), 0);
6627 /* Ok, now we know that the move is good, so we can kill
6628 the previous line in Analysis Mode */
6629 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6630 && currentMove < forwardMostMove) {
6631 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6632 else forwardMostMove = currentMove;
6635 /* If we need the chess program but it's dead, restart it */
6636 ResurrectChessProgram();
6638 /* A user move restarts a paused game*/
6642 thinkOutput[0] = NULLCHAR;
6644 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6646 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6647 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6651 if (gameMode == BeginningOfGame) {
6652 if (appData.noChessProgram) {
6653 gameMode = EditGame;
6657 gameMode = MachinePlaysBlack;
6660 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6662 if (first.sendName) {
6663 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6664 SendToProgram(buf, &first);
6671 /* Relay move to ICS or chess engine */
6672 if (appData.icsActive) {
6673 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6674 gameMode == IcsExamining) {
6675 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6676 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6678 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6680 // also send plain move, in case ICS does not understand atomic claims
6681 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6685 if (first.sendTime && (gameMode == BeginningOfGame ||
6686 gameMode == MachinePlaysWhite ||
6687 gameMode == MachinePlaysBlack)) {
6688 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6690 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6691 // [HGM] book: if program might be playing, let it use book
6692 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6693 first.maybeThinking = TRUE;
6694 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6695 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6696 SendBoard(&first, currentMove+1);
6697 } else SendMoveToProgram(forwardMostMove-1, &first);
6698 if (currentMove == cmailOldMove + 1) {
6699 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6703 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6707 if(appData.testLegality)
6708 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6714 if (WhiteOnMove(currentMove)) {
6715 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6717 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6721 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6726 case MachinePlaysBlack:
6727 case MachinePlaysWhite:
6728 /* disable certain menu options while machine is thinking */
6729 SetMachineThinkingEnables();
6736 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6737 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6739 if(bookHit) { // [HGM] book: simulate book reply
6740 static char bookMove[MSG_SIZ]; // a bit generous?
6742 programStats.nodes = programStats.depth = programStats.time =
6743 programStats.score = programStats.got_only_move = 0;
6744 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6746 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6747 strcat(bookMove, bookHit);
6748 HandleMachineMove(bookMove, &first);
6754 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6761 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6762 Markers *m = (Markers *) closure;
6763 if(rf == fromY && ff == fromX)
6764 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6765 || kind == WhiteCapturesEnPassant
6766 || kind == BlackCapturesEnPassant);
6767 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6771 MarkTargetSquares(int clear)
6774 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6775 !appData.testLegality || gameMode == EditPosition) return;
6777 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6780 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6781 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6782 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6784 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6787 DrawPosition(TRUE, NULL);
6791 Explode(Board board, int fromX, int fromY, int toX, int toY)
6793 if(gameInfo.variant == VariantAtomic &&
6794 (board[toY][toX] != EmptySquare || // capture?
6795 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6796 board[fromY][fromX] == BlackPawn )
6798 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6804 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6806 int CanPromote(ChessSquare piece, int y)
6808 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6809 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6810 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6811 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6812 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6813 gameInfo.variant == VariantMakruk) return FALSE;
6814 return (piece == BlackPawn && y == 1 ||
6815 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6816 piece == BlackLance && y == 1 ||
6817 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6820 void LeftClick(ClickType clickType, int xPix, int yPix)
6823 Boolean saveAnimate;
6824 static int second = 0, promotionChoice = 0, clearFlag = 0;
6825 char promoChoice = NULLCHAR;
6828 if(appData.seekGraph && appData.icsActive && loggedOn &&
6829 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6830 SeekGraphClick(clickType, xPix, yPix, 0);
6834 if (clickType == Press) ErrorPopDown();
6836 x = EventToSquare(xPix, BOARD_WIDTH);
6837 y = EventToSquare(yPix, BOARD_HEIGHT);
6838 if (!flipView && y >= 0) {
6839 y = BOARD_HEIGHT - 1 - y;
6841 if (flipView && x >= 0) {
6842 x = BOARD_WIDTH - 1 - x;
6845 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6846 defaultPromoChoice = promoSweep;
6847 promoSweep = EmptySquare; // terminate sweep
6848 promoDefaultAltered = TRUE;
6849 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6852 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6853 if(clickType == Release) return; // ignore upclick of click-click destination
6854 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6855 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6856 if(gameInfo.holdingsWidth &&
6857 (WhiteOnMove(currentMove)
6858 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6859 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6860 // click in right holdings, for determining promotion piece
6861 ChessSquare p = boards[currentMove][y][x];
6862 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6863 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6864 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6865 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6870 DrawPosition(FALSE, boards[currentMove]);
6874 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6875 if(clickType == Press
6876 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6877 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6878 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6881 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6882 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6884 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6885 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6886 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6887 defaultPromoChoice = DefaultPromoChoice(side);
6890 autoQueen = appData.alwaysPromoteToQueen;
6894 gatingPiece = EmptySquare;
6895 if (clickType != Press) {
6896 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6897 DragPieceEnd(xPix, yPix); dragging = 0;
6898 DrawPosition(FALSE, NULL);
6902 fromX = x; fromY = y; toX = toY = -1;
6903 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6904 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6905 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6907 if (OKToStartUserMove(fromX, fromY)) {
6909 MarkTargetSquares(0);
6910 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6911 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6912 promoSweep = defaultPromoChoice;
6913 selectFlag = 0; lastX = xPix; lastY = yPix;
6914 Sweep(0); // Pawn that is going to promote: preview promotion piece
6915 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6917 if (appData.highlightDragging) {
6918 SetHighlights(fromX, fromY, -1, -1);
6920 } else fromX = fromY = -1;
6926 if (clickType == Press && gameMode != EditPosition) {
6931 // ignore off-board to clicks
6932 if(y < 0 || x < 0) return;
6934 /* Check if clicking again on the same color piece */
6935 fromP = boards[currentMove][fromY][fromX];
6936 toP = boards[currentMove][y][x];
6937 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6938 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6939 WhitePawn <= toP && toP <= WhiteKing &&
6940 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6941 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6942 (BlackPawn <= fromP && fromP <= BlackKing &&
6943 BlackPawn <= toP && toP <= BlackKing &&
6944 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6945 !(fromP == BlackKing && toP == BlackRook && frc))) {
6946 /* Clicked again on same color piece -- changed his mind */
6947 second = (x == fromX && y == fromY);
6948 promoDefaultAltered = FALSE;
6949 MarkTargetSquares(1);
6950 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6951 if (appData.highlightDragging) {
6952 SetHighlights(x, y, -1, -1);
6956 if (OKToStartUserMove(x, y)) {
6957 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6958 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6959 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6960 gatingPiece = boards[currentMove][fromY][fromX];
6961 else gatingPiece = EmptySquare;
6963 fromY = y; dragging = 1;
6964 MarkTargetSquares(0);
6965 DragPieceBegin(xPix, yPix, FALSE);
6966 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6967 promoSweep = defaultPromoChoice;
6968 selectFlag = 0; lastX = xPix; lastY = yPix;
6969 Sweep(0); // Pawn that is going to promote: preview promotion piece
6973 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6976 // ignore clicks on holdings
6977 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6980 if (clickType == Release && x == fromX && y == fromY) {
6981 DragPieceEnd(xPix, yPix); dragging = 0;
6983 // a deferred attempt to click-click move an empty square on top of a piece
6984 boards[currentMove][y][x] = EmptySquare;
6986 DrawPosition(FALSE, boards[currentMove]);
6987 fromX = fromY = -1; clearFlag = 0;
6990 if (appData.animateDragging) {
6991 /* Undo animation damage if any */
6992 DrawPosition(FALSE, NULL);
6995 /* Second up/down in same square; just abort move */
6998 gatingPiece = EmptySquare;
7001 ClearPremoveHighlights();
7003 /* First upclick in same square; start click-click mode */
7004 SetHighlights(x, y, -1, -1);
7011 /* we now have a different from- and (possibly off-board) to-square */
7012 /* Completed move */
7015 saveAnimate = appData.animate;
7016 MarkTargetSquares(1);
7017 if (clickType == Press) {
7018 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7019 // must be Edit Position mode with empty-square selected
7020 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7021 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7024 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7025 ChessSquare piece = boards[currentMove][fromY][fromX];
7026 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7027 promoSweep = defaultPromoChoice;
7028 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7029 selectFlag = 0; lastX = xPix; lastY = yPix;
7030 Sweep(0); // Pawn that is going to promote: preview promotion piece
7031 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7032 DrawPosition(FALSE, boards[currentMove]);
7035 /* Finish clickclick move */
7036 if (appData.animate || appData.highlightLastMove) {
7037 SetHighlights(fromX, fromY, toX, toY);
7042 /* Finish drag move */
7043 if (appData.highlightLastMove) {
7044 SetHighlights(fromX, fromY, toX, toY);
7048 DragPieceEnd(xPix, yPix); dragging = 0;
7049 /* Don't animate move and drag both */
7050 appData.animate = FALSE;
7053 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7054 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7055 ChessSquare piece = boards[currentMove][fromY][fromX];
7056 if(gameMode == EditPosition && piece != EmptySquare &&
7057 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7060 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7061 n = PieceToNumber(piece - (int)BlackPawn);
7062 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7063 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7064 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7066 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7067 n = PieceToNumber(piece);
7068 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7069 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7070 boards[currentMove][n][BOARD_WIDTH-2]++;
7072 boards[currentMove][fromY][fromX] = EmptySquare;
7076 DrawPosition(TRUE, boards[currentMove]);
7080 // off-board moves should not be highlighted
7081 if(x < 0 || y < 0) ClearHighlights();
7083 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7085 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7086 SetHighlights(fromX, fromY, toX, toY);
7087 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7088 // [HGM] super: promotion to captured piece selected from holdings
7089 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7090 promotionChoice = TRUE;
7091 // kludge follows to temporarily execute move on display, without promoting yet
7092 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7093 boards[currentMove][toY][toX] = p;
7094 DrawPosition(FALSE, boards[currentMove]);
7095 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7096 boards[currentMove][toY][toX] = q;
7097 DisplayMessage("Click in holdings to choose piece", "");
7102 int oldMove = currentMove;
7103 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7104 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7105 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7106 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7107 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7108 DrawPosition(TRUE, boards[currentMove]);
7111 appData.animate = saveAnimate;
7112 if (appData.animate || appData.animateDragging) {
7113 /* Undo animation damage if needed */
7114 DrawPosition(FALSE, NULL);
7118 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7119 { // front-end-free part taken out of PieceMenuPopup
7120 int whichMenu; int xSqr, ySqr;
7122 if(seekGraphUp) { // [HGM] seekgraph
7123 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7124 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7128 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7129 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7130 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7131 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7132 if(action == Press) {
7133 originalFlip = flipView;
7134 flipView = !flipView; // temporarily flip board to see game from partners perspective
7135 DrawPosition(TRUE, partnerBoard);
7136 DisplayMessage(partnerStatus, "");
7138 } else if(action == Release) {
7139 flipView = originalFlip;
7140 DrawPosition(TRUE, boards[currentMove]);
7146 xSqr = EventToSquare(x, BOARD_WIDTH);
7147 ySqr = EventToSquare(y, BOARD_HEIGHT);
7148 if (action == Release) {
7149 if(pieceSweep != EmptySquare) {
7150 EditPositionMenuEvent(pieceSweep, toX, toY);
7151 pieceSweep = EmptySquare;
7152 } else UnLoadPV(); // [HGM] pv
7154 if (action != Press) return -2; // return code to be ignored
7157 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7159 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7160 if (xSqr < 0 || ySqr < 0) return -1;
7161 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7162 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7163 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7164 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7168 if(!appData.icsEngineAnalyze) return -1;
7169 case IcsPlayingWhite:
7170 case IcsPlayingBlack:
7171 if(!appData.zippyPlay) goto noZip;
7174 case MachinePlaysWhite:
7175 case MachinePlaysBlack:
7176 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7177 if (!appData.dropMenu) {
7179 return 2; // flag front-end to grab mouse events
7181 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7182 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7185 if (xSqr < 0 || ySqr < 0) return -1;
7186 if (!appData.dropMenu || appData.testLegality &&
7187 gameInfo.variant != VariantBughouse &&
7188 gameInfo.variant != VariantCrazyhouse) return -1;
7189 whichMenu = 1; // drop menu
7195 if (((*fromX = xSqr) < 0) ||
7196 ((*fromY = ySqr) < 0)) {
7197 *fromX = *fromY = -1;
7201 *fromX = BOARD_WIDTH - 1 - *fromX;
7203 *fromY = BOARD_HEIGHT - 1 - *fromY;
7208 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7210 // char * hint = lastHint;
7211 FrontEndProgramStats stats;
7213 stats.which = cps == &first ? 0 : 1;
7214 stats.depth = cpstats->depth;
7215 stats.nodes = cpstats->nodes;
7216 stats.score = cpstats->score;
7217 stats.time = cpstats->time;
7218 stats.pv = cpstats->movelist;
7219 stats.hint = lastHint;
7220 stats.an_move_index = 0;
7221 stats.an_move_count = 0;
7223 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7224 stats.hint = cpstats->move_name;
7225 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7226 stats.an_move_count = cpstats->nr_moves;
7229 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
7231 SetProgramStats( &stats );
7235 ClearEngineOutputPane(int which)
7237 static FrontEndProgramStats dummyStats;
7238 dummyStats.which = which;
7239 dummyStats.pv = "#";
7240 SetProgramStats( &dummyStats );
7243 #define MAXPLAYERS 500
7246 TourneyStandings(int display)
7248 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7249 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7250 char result, *p, *names[MAXPLAYERS];
7252 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7253 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7254 names[0] = p = strdup(appData.participants);
7255 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7257 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7259 while(result = appData.results[nr]) {
7260 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7261 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7262 wScore = bScore = 0;
7264 case '+': wScore = 2; break;
7265 case '-': bScore = 2; break;
7266 case '=': wScore = bScore = 1; break;
7268 case '*': return strdup("busy"); // tourney not finished
7276 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7277 for(w=0; w<nPlayers; w++) {
7279 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7280 ranking[w] = b; points[w] = bScore; score[b] = -2;
7282 p = malloc(nPlayers*34+1);
7283 for(w=0; w<nPlayers && w<display; w++)
7284 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7290 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7291 { // count all piece types
7293 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7294 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7295 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7298 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7299 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7300 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7301 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7302 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7303 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7308 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7310 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7311 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7313 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7314 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7315 if(myPawns == 2 && nMine == 3) // KPP
7316 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7317 if(myPawns == 1 && nMine == 2) // KP
7318 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7319 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7320 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7321 if(myPawns) return FALSE;
7322 if(pCnt[WhiteRook+side])
7323 return pCnt[BlackRook-side] ||
7324 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7325 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7326 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7327 if(pCnt[WhiteCannon+side]) {
7328 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7329 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7331 if(pCnt[WhiteKnight+side])
7332 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7337 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7339 VariantClass v = gameInfo.variant;
7341 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7342 if(v == VariantShatranj) return TRUE; // always winnable through baring
7343 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7344 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7346 if(v == VariantXiangqi) {
7347 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7349 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7350 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7351 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7352 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7353 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7354 if(stale) // we have at least one last-rank P plus perhaps C
7355 return majors // KPKX
7356 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7358 return pCnt[WhiteFerz+side] // KCAK
7359 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7360 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7361 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7363 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7364 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7366 if(nMine == 1) return FALSE; // bare King
7367 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
7368 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7369 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7370 // by now we have King + 1 piece (or multiple Bishops on the same color)
7371 if(pCnt[WhiteKnight+side])
7372 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7373 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7374 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7376 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7377 if(pCnt[WhiteAlfil+side])
7378 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7379 if(pCnt[WhiteWazir+side])
7380 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7387 CompareWithRights(Board b1, Board b2)
7390 if(!CompareBoards(b1, b2)) return FALSE;
7391 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7392 /* compare castling rights */
7393 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7394 rights++; /* King lost rights, while rook still had them */
7395 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7396 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7397 rights++; /* but at least one rook lost them */
7399 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7401 if( b1[CASTLING][5] != NoRights ) {
7402 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7409 Adjudicate(ChessProgramState *cps)
7410 { // [HGM] some adjudications useful with buggy engines
7411 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7412 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7413 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7414 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7415 int k, count = 0; static int bare = 1;
7416 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7417 Boolean canAdjudicate = !appData.icsActive;
7419 // most tests only when we understand the game, i.e. legality-checking on
7420 if( appData.testLegality )
7421 { /* [HGM] Some more adjudications for obstinate engines */
7422 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7423 static int moveCount = 6;
7425 char *reason = NULL;
7427 /* Count what is on board. */
7428 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7430 /* Some material-based adjudications that have to be made before stalemate test */
7431 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7432 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7433 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7434 if(canAdjudicate && appData.checkMates) {
7436 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7437 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7438 "Xboard adjudication: King destroyed", GE_XBOARD );
7443 /* Bare King in Shatranj (loses) or Losers (wins) */
7444 if( nrW == 1 || nrB == 1) {
7445 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7446 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7447 if(canAdjudicate && appData.checkMates) {
7449 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7450 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7451 "Xboard adjudication: Bare king", GE_XBOARD );
7455 if( gameInfo.variant == VariantShatranj && --bare < 0)
7457 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7458 if(canAdjudicate && appData.checkMates) {
7459 /* but only adjudicate if adjudication enabled */
7461 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7462 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7463 "Xboard adjudication: Bare king", GE_XBOARD );
7470 // don't wait for engine to announce game end if we can judge ourselves
7471 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7473 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7474 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7475 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7476 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7479 reason = "Xboard adjudication: 3rd check";
7480 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7490 reason = "Xboard adjudication: Stalemate";
7491 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7492 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7493 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7494 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7495 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7496 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7497 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7498 EP_CHECKMATE : EP_WINS);
7499 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7500 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7504 reason = "Xboard adjudication: Checkmate";
7505 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7509 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7511 result = GameIsDrawn; break;
7513 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7515 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7519 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7521 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7522 GameEnds( result, reason, GE_XBOARD );
7526 /* Next absolutely insufficient mating material. */
7527 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7528 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7529 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7531 /* always flag draws, for judging claims */
7532 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7534 if(canAdjudicate && appData.materialDraws) {
7535 /* but only adjudicate them if adjudication enabled */
7536 if(engineOpponent) {
7537 SendToProgram("force\n", engineOpponent); // suppress reply
7538 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7540 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7545 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7546 if(gameInfo.variant == VariantXiangqi ?
7547 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7549 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7550 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7551 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7552 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7554 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7555 { /* if the first 3 moves do not show a tactical win, declare draw */
7556 if(engineOpponent) {
7557 SendToProgram("force\n", engineOpponent); // suppress reply
7558 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7560 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7563 } else moveCount = 6;
7565 if (appData.debugMode) { int i;
7566 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7567 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7568 appData.drawRepeats);
7569 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7570 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7574 // Repetition draws and 50-move rule can be applied independently of legality testing
7576 /* Check for rep-draws */
7578 for(k = forwardMostMove-2;
7579 k>=backwardMostMove && k>=forwardMostMove-100 &&
7580 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7581 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7584 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7585 /* compare castling rights */
7586 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7587 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7588 rights++; /* King lost rights, while rook still had them */
7589 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7590 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7591 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7592 rights++; /* but at least one rook lost them */
7594 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7595 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7597 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7598 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7599 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7602 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7603 && appData.drawRepeats > 1) {
7604 /* adjudicate after user-specified nr of repeats */
7605 int result = GameIsDrawn;
7606 char *details = "XBoard adjudication: repetition draw";
7607 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7608 // [HGM] xiangqi: check for forbidden perpetuals
7609 int m, ourPerpetual = 1, hisPerpetual = 1;
7610 for(m=forwardMostMove; m>k; m-=2) {
7611 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7612 ourPerpetual = 0; // the current mover did not always check
7613 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7614 hisPerpetual = 0; // the opponent did not always check
7616 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7617 ourPerpetual, hisPerpetual);
7618 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7619 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7620 details = "Xboard adjudication: perpetual checking";
7622 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7623 break; // (or we would have caught him before). Abort repetition-checking loop.
7625 // Now check for perpetual chases
7626 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7627 hisPerpetual = PerpetualChase(k, forwardMostMove);
7628 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7629 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7630 static char resdet[MSG_SIZ];
7631 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7633 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7635 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7636 break; // Abort repetition-checking loop.
7638 // if neither of us is checking or chasing all the time, or both are, it is draw
7640 if(engineOpponent) {
7641 SendToProgram("force\n", engineOpponent); // suppress reply
7642 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7644 GameEnds( result, details, GE_XBOARD );
7647 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7648 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7652 /* Now we test for 50-move draws. Determine ply count */
7653 count = forwardMostMove;
7654 /* look for last irreversble move */
7655 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7657 /* if we hit starting position, add initial plies */
7658 if( count == backwardMostMove )
7659 count -= initialRulePlies;
7660 count = forwardMostMove - count;
7661 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7662 // adjust reversible move counter for checks in Xiangqi
7663 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7664 if(i < backwardMostMove) i = backwardMostMove;
7665 while(i <= forwardMostMove) {
7666 lastCheck = inCheck; // check evasion does not count
7667 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7668 if(inCheck || lastCheck) count--; // check does not count
7673 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7674 /* this is used to judge if draw claims are legal */
7675 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7676 if(engineOpponent) {
7677 SendToProgram("force\n", engineOpponent); // suppress reply
7678 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7680 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7684 /* if draw offer is pending, treat it as a draw claim
7685 * when draw condition present, to allow engines a way to
7686 * claim draws before making their move to avoid a race
7687 * condition occurring after their move
7689 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7691 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7692 p = "Draw claim: 50-move rule";
7693 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7694 p = "Draw claim: 3-fold repetition";
7695 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7696 p = "Draw claim: insufficient mating material";
7697 if( p != NULL && canAdjudicate) {
7698 if(engineOpponent) {
7699 SendToProgram("force\n", engineOpponent); // suppress reply
7700 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7702 GameEnds( GameIsDrawn, p, GE_XBOARD );
7707 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7708 if(engineOpponent) {
7709 SendToProgram("force\n", engineOpponent); // suppress reply
7710 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7712 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7718 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7719 { // [HGM] book: this routine intercepts moves to simulate book replies
7720 char *bookHit = NULL;
7722 //first determine if the incoming move brings opponent into his book
7723 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7724 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7725 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7726 if(bookHit != NULL && !cps->bookSuspend) {
7727 // make sure opponent is not going to reply after receiving move to book position
7728 SendToProgram("force\n", cps);
7729 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7731 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7732 // now arrange restart after book miss
7734 // after a book hit we never send 'go', and the code after the call to this routine
7735 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7736 char buf[MSG_SIZ], *move = bookHit;
7738 int fromX, fromY, toX, toY;
7742 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7743 &fromX, &fromY, &toX, &toY, &promoChar)) {
7744 (void) CoordsToAlgebraic(boards[forwardMostMove],
7745 PosFlags(forwardMostMove),
7746 fromY, fromX, toY, toX, promoChar, move);
7748 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7752 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7753 SendToProgram(buf, cps);
7754 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7755 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7756 SendToProgram("go\n", cps);
7757 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7758 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7759 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7760 SendToProgram("go\n", cps);
7761 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7763 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7767 ChessProgramState *savedState;
7768 void DeferredBookMove(void)
7770 if(savedState->lastPing != savedState->lastPong)
7771 ScheduleDelayedEvent(DeferredBookMove, 10);
7773 HandleMachineMove(savedMessage, savedState);
7776 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7779 HandleMachineMove(message, cps)
7781 ChessProgramState *cps;
7783 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7784 char realname[MSG_SIZ];
7785 int fromX, fromY, toX, toY;
7792 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7793 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7794 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7795 DisplayError(_("Invalid pairing from pairing engine"), 0);
7798 pairingReceived = 1;
7800 return; // Skim the pairing messages here.
7805 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7807 * Kludge to ignore BEL characters
7809 while (*message == '\007') message++;
7812 * [HGM] engine debug message: ignore lines starting with '#' character
7814 if(cps->debug && *message == '#') return;
7817 * Look for book output
7819 if (cps == &first && bookRequested) {
7820 if (message[0] == '\t' || message[0] == ' ') {
7821 /* Part of the book output is here; append it */
7822 strcat(bookOutput, message);
7823 strcat(bookOutput, " \n");
7825 } else if (bookOutput[0] != NULLCHAR) {
7826 /* All of book output has arrived; display it */
7827 char *p = bookOutput;
7828 while (*p != NULLCHAR) {
7829 if (*p == '\t') *p = ' ';
7832 DisplayInformation(bookOutput);
7833 bookRequested = FALSE;
7834 /* Fall through to parse the current output */
7839 * Look for machine move.
7841 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7842 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7844 /* This method is only useful on engines that support ping */
7845 if (cps->lastPing != cps->lastPong) {
7846 if (gameMode == BeginningOfGame) {
7847 /* Extra move from before last new; ignore */
7848 if (appData.debugMode) {
7849 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7852 if (appData.debugMode) {
7853 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7854 cps->which, gameMode);
7857 SendToProgram("undo\n", cps);
7863 case BeginningOfGame:
7864 /* Extra move from before last reset; ignore */
7865 if (appData.debugMode) {
7866 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7873 /* Extra move after we tried to stop. The mode test is
7874 not a reliable way of detecting this problem, but it's
7875 the best we can do on engines that don't support ping.
7877 if (appData.debugMode) {
7878 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7879 cps->which, gameMode);
7881 SendToProgram("undo\n", cps);
7884 case MachinePlaysWhite:
7885 case IcsPlayingWhite:
7886 machineWhite = TRUE;
7889 case MachinePlaysBlack:
7890 case IcsPlayingBlack:
7891 machineWhite = FALSE;
7894 case TwoMachinesPlay:
7895 machineWhite = (cps->twoMachinesColor[0] == 'w');
7898 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7899 if (appData.debugMode) {
7901 "Ignoring move out of turn by %s, gameMode %d"
7902 ", forwardMost %d\n",
7903 cps->which, gameMode, forwardMostMove);
7908 if (appData.debugMode) { int f = forwardMostMove;
7909 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7910 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7911 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7913 if(cps->alphaRank) AlphaRank(machineMove, 4);
7914 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7915 &fromX, &fromY, &toX, &toY, &promoChar)) {
7916 /* Machine move could not be parsed; ignore it. */
7917 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7918 machineMove, _(cps->which));
7919 DisplayError(buf1, 0);
7920 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7921 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7922 if (gameMode == TwoMachinesPlay) {
7923 GameEnds(machineWhite ? BlackWins : WhiteWins,
7929 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7930 /* So we have to redo legality test with true e.p. status here, */
7931 /* to make sure an illegal e.p. capture does not slip through, */
7932 /* to cause a forfeit on a justified illegal-move complaint */
7933 /* of the opponent. */
7934 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7936 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7937 fromY, fromX, toY, toX, promoChar);
7938 if (appData.debugMode) {
7940 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7941 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7942 fprintf(debugFP, "castling rights\n");
7944 if(moveType == IllegalMove) {
7945 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7946 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7947 GameEnds(machineWhite ? BlackWins : WhiteWins,
7950 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7951 /* [HGM] Kludge to handle engines that send FRC-style castling
7952 when they shouldn't (like TSCP-Gothic) */
7954 case WhiteASideCastleFR:
7955 case BlackASideCastleFR:
7957 currentMoveString[2]++;
7959 case WhiteHSideCastleFR:
7960 case BlackHSideCastleFR:
7962 currentMoveString[2]--;
7964 default: ; // nothing to do, but suppresses warning of pedantic compilers
7967 hintRequested = FALSE;
7968 lastHint[0] = NULLCHAR;
7969 bookRequested = FALSE;
7970 /* Program may be pondering now */
7971 cps->maybeThinking = TRUE;
7972 if (cps->sendTime == 2) cps->sendTime = 1;
7973 if (cps->offeredDraw) cps->offeredDraw--;
7975 /* [AS] Save move info*/
7976 pvInfoList[ forwardMostMove ].score = programStats.score;
7977 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7978 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7980 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7982 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7983 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7986 while( count < adjudicateLossPlies ) {
7987 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7990 score = -score; /* Flip score for winning side */
7993 if( score > adjudicateLossThreshold ) {
8000 if( count >= adjudicateLossPlies ) {
8001 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8003 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8004 "Xboard adjudication",
8011 if(Adjudicate(cps)) {
8012 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8013 return; // [HGM] adjudicate: for all automatic game ends
8017 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8019 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8020 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8022 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8024 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8026 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8027 char buf[3*MSG_SIZ];
8029 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8030 programStats.score / 100.,
8032 programStats.time / 100.,
8033 (unsigned int)programStats.nodes,
8034 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8035 programStats.movelist);
8037 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8042 /* [AS] Clear stats for next move */
8043 ClearProgramStats();
8044 thinkOutput[0] = NULLCHAR;
8045 hiddenThinkOutputState = 0;
8048 if (gameMode == TwoMachinesPlay) {
8049 /* [HGM] relaying draw offers moved to after reception of move */
8050 /* and interpreting offer as claim if it brings draw condition */
8051 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8052 SendToProgram("draw\n", cps->other);
8054 if (cps->other->sendTime) {
8055 SendTimeRemaining(cps->other,
8056 cps->other->twoMachinesColor[0] == 'w');
8058 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8059 if (firstMove && !bookHit) {
8061 if (cps->other->useColors) {
8062 SendToProgram(cps->other->twoMachinesColor, cps->other);
8064 SendToProgram("go\n", cps->other);
8066 cps->other->maybeThinking = TRUE;
8069 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8071 if (!pausing && appData.ringBellAfterMoves) {
8076 * Reenable menu items that were disabled while
8077 * machine was thinking
8079 if (gameMode != TwoMachinesPlay)
8080 SetUserThinkingEnables();
8082 // [HGM] book: after book hit opponent has received move and is now in force mode
8083 // force the book reply into it, and then fake that it outputted this move by jumping
8084 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8086 static char bookMove[MSG_SIZ]; // a bit generous?
8088 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8089 strcat(bookMove, bookHit);
8092 programStats.nodes = programStats.depth = programStats.time =
8093 programStats.score = programStats.got_only_move = 0;
8094 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8096 if(cps->lastPing != cps->lastPong) {
8097 savedMessage = message; // args for deferred call
8099 ScheduleDelayedEvent(DeferredBookMove, 10);
8108 /* Set special modes for chess engines. Later something general
8109 * could be added here; for now there is just one kludge feature,
8110 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8111 * when "xboard" is given as an interactive command.
8113 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8114 cps->useSigint = FALSE;
8115 cps->useSigterm = FALSE;
8117 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8118 ParseFeatures(message+8, cps);
8119 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8122 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8123 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8124 int dummy, s=6; char buf[MSG_SIZ];
8125 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8126 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8127 if(startedFromSetupPosition) return;
8128 ParseFEN(boards[0], &dummy, message+s);
8129 DrawPosition(TRUE, boards[0]);
8130 startedFromSetupPosition = TRUE;
8133 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8134 * want this, I was asked to put it in, and obliged.
8136 if (!strncmp(message, "setboard ", 9)) {
8137 Board initial_position;
8139 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8141 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8142 DisplayError(_("Bad FEN received from engine"), 0);
8146 CopyBoard(boards[0], initial_position);
8147 initialRulePlies = FENrulePlies;
8148 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8149 else gameMode = MachinePlaysBlack;
8150 DrawPosition(FALSE, boards[currentMove]);
8156 * Look for communication commands
8158 if (!strncmp(message, "telluser ", 9)) {
8159 if(message[9] == '\\' && message[10] == '\\')
8160 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8162 DisplayNote(message + 9);
8165 if (!strncmp(message, "tellusererror ", 14)) {
8167 if(message[14] == '\\' && message[15] == '\\')
8168 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8170 DisplayError(message + 14, 0);
8173 if (!strncmp(message, "tellopponent ", 13)) {
8174 if (appData.icsActive) {
8176 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8180 DisplayNote(message + 13);
8184 if (!strncmp(message, "tellothers ", 11)) {
8185 if (appData.icsActive) {
8187 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8193 if (!strncmp(message, "tellall ", 8)) {
8194 if (appData.icsActive) {
8196 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8200 DisplayNote(message + 8);
8204 if (strncmp(message, "warning", 7) == 0) {
8205 /* Undocumented feature, use tellusererror in new code */
8206 DisplayError(message, 0);
8209 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8210 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8211 strcat(realname, " query");
8212 AskQuestion(realname, buf2, buf1, cps->pr);
8215 /* Commands from the engine directly to ICS. We don't allow these to be
8216 * sent until we are logged on. Crafty kibitzes have been known to
8217 * interfere with the login process.
8220 if (!strncmp(message, "tellics ", 8)) {
8221 SendToICS(message + 8);
8225 if (!strncmp(message, "tellicsnoalias ", 15)) {
8226 SendToICS(ics_prefix);
8227 SendToICS(message + 15);
8231 /* The following are for backward compatibility only */
8232 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8233 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8234 SendToICS(ics_prefix);
8240 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8244 * If the move is illegal, cancel it and redraw the board.
8245 * Also deal with other error cases. Matching is rather loose
8246 * here to accommodate engines written before the spec.
8248 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8249 strncmp(message, "Error", 5) == 0) {
8250 if (StrStr(message, "name") ||
8251 StrStr(message, "rating") || StrStr(message, "?") ||
8252 StrStr(message, "result") || StrStr(message, "board") ||
8253 StrStr(message, "bk") || StrStr(message, "computer") ||
8254 StrStr(message, "variant") || StrStr(message, "hint") ||
8255 StrStr(message, "random") || StrStr(message, "depth") ||
8256 StrStr(message, "accepted")) {
8259 if (StrStr(message, "protover")) {
8260 /* Program is responding to input, so it's apparently done
8261 initializing, and this error message indicates it is
8262 protocol version 1. So we don't need to wait any longer
8263 for it to initialize and send feature commands. */
8264 FeatureDone(cps, 1);
8265 cps->protocolVersion = 1;
8268 cps->maybeThinking = FALSE;
8270 if (StrStr(message, "draw")) {
8271 /* Program doesn't have "draw" command */
8272 cps->sendDrawOffers = 0;
8275 if (cps->sendTime != 1 &&
8276 (StrStr(message, "time") || StrStr(message, "otim"))) {
8277 /* Program apparently doesn't have "time" or "otim" command */
8281 if (StrStr(message, "analyze")) {
8282 cps->analysisSupport = FALSE;
8283 cps->analyzing = FALSE;
8284 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8285 EditGameEvent(); // [HGM] try to preserve loaded game
8286 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8287 DisplayError(buf2, 0);
8290 if (StrStr(message, "(no matching move)st")) {
8291 /* Special kludge for GNU Chess 4 only */
8292 cps->stKludge = TRUE;
8293 SendTimeControl(cps, movesPerSession, timeControl,
8294 timeIncrement, appData.searchDepth,
8298 if (StrStr(message, "(no matching move)sd")) {
8299 /* Special kludge for GNU Chess 4 only */
8300 cps->sdKludge = TRUE;
8301 SendTimeControl(cps, movesPerSession, timeControl,
8302 timeIncrement, appData.searchDepth,
8306 if (!StrStr(message, "llegal")) {
8309 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8310 gameMode == IcsIdle) return;
8311 if (forwardMostMove <= backwardMostMove) return;
8312 if (pausing) PauseEvent();
8313 if(appData.forceIllegal) {
8314 // [HGM] illegal: machine refused move; force position after move into it
8315 SendToProgram("force\n", cps);
8316 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8317 // we have a real problem now, as SendBoard will use the a2a3 kludge
8318 // when black is to move, while there might be nothing on a2 or black
8319 // might already have the move. So send the board as if white has the move.
8320 // But first we must change the stm of the engine, as it refused the last move
8321 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8322 if(WhiteOnMove(forwardMostMove)) {
8323 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8324 SendBoard(cps, forwardMostMove); // kludgeless board
8326 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8327 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8328 SendBoard(cps, forwardMostMove+1); // kludgeless board
8330 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8331 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8332 gameMode == TwoMachinesPlay)
8333 SendToProgram("go\n", cps);
8336 if (gameMode == PlayFromGameFile) {
8337 /* Stop reading this game file */
8338 gameMode = EditGame;
8341 /* [HGM] illegal-move claim should forfeit game when Xboard */
8342 /* only passes fully legal moves */
8343 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8344 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8345 "False illegal-move claim", GE_XBOARD );
8346 return; // do not take back move we tested as valid
8348 currentMove = forwardMostMove-1;
8349 DisplayMove(currentMove-1); /* before DisplayMoveError */
8350 SwitchClocks(forwardMostMove-1); // [HGM] race
8351 DisplayBothClocks();
8352 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8353 parseList[currentMove], _(cps->which));
8354 DisplayMoveError(buf1);
8355 DrawPosition(FALSE, boards[currentMove]);
8358 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8359 /* Program has a broken "time" command that
8360 outputs a string not ending in newline.
8366 * If chess program startup fails, exit with an error message.
8367 * Attempts to recover here are futile.
8369 if ((StrStr(message, "unknown host") != NULL)
8370 || (StrStr(message, "No remote directory") != NULL)
8371 || (StrStr(message, "not found") != NULL)
8372 || (StrStr(message, "No such file") != NULL)
8373 || (StrStr(message, "can't alloc") != NULL)
8374 || (StrStr(message, "Permission denied") != NULL)) {
8376 cps->maybeThinking = FALSE;
8377 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8378 _(cps->which), cps->program, cps->host, message);
8379 RemoveInputSource(cps->isr);
8380 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8381 if(cps == &first) appData.noChessProgram = TRUE;
8382 DisplayError(buf1, 0);
8388 * Look for hint output
8390 if (sscanf(message, "Hint: %s", buf1) == 1) {
8391 if (cps == &first && hintRequested) {
8392 hintRequested = FALSE;
8393 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8394 &fromX, &fromY, &toX, &toY, &promoChar)) {
8395 (void) CoordsToAlgebraic(boards[forwardMostMove],
8396 PosFlags(forwardMostMove),
8397 fromY, fromX, toY, toX, promoChar, buf1);
8398 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8399 DisplayInformation(buf2);
8401 /* Hint move could not be parsed!? */
8402 snprintf(buf2, sizeof(buf2),
8403 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8404 buf1, _(cps->which));
8405 DisplayError(buf2, 0);
8408 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8414 * Ignore other messages if game is not in progress
8416 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8417 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8420 * look for win, lose, draw, or draw offer
8422 if (strncmp(message, "1-0", 3) == 0) {
8423 char *p, *q, *r = "";
8424 p = strchr(message, '{');
8432 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8434 } else if (strncmp(message, "0-1", 3) == 0) {
8435 char *p, *q, *r = "";
8436 p = strchr(message, '{');
8444 /* Kludge for Arasan 4.1 bug */
8445 if (strcmp(r, "Black resigns") == 0) {
8446 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8449 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8451 } else if (strncmp(message, "1/2", 3) == 0) {
8452 char *p, *q, *r = "";
8453 p = strchr(message, '{');
8462 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8465 } else if (strncmp(message, "White resign", 12) == 0) {
8466 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8468 } else if (strncmp(message, "Black resign", 12) == 0) {
8469 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8471 } else if (strncmp(message, "White matches", 13) == 0 ||
8472 strncmp(message, "Black matches", 13) == 0 ) {
8473 /* [HGM] ignore GNUShogi noises */
8475 } else if (strncmp(message, "White", 5) == 0 &&
8476 message[5] != '(' &&
8477 StrStr(message, "Black") == NULL) {
8478 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8480 } else if (strncmp(message, "Black", 5) == 0 &&
8481 message[5] != '(') {
8482 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8484 } else if (strcmp(message, "resign") == 0 ||
8485 strcmp(message, "computer resigns") == 0) {
8487 case MachinePlaysBlack:
8488 case IcsPlayingBlack:
8489 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8491 case MachinePlaysWhite:
8492 case IcsPlayingWhite:
8493 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8495 case TwoMachinesPlay:
8496 if (cps->twoMachinesColor[0] == 'w')
8497 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8499 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8506 } else if (strncmp(message, "opponent mates", 14) == 0) {
8508 case MachinePlaysBlack:
8509 case IcsPlayingBlack:
8510 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8512 case MachinePlaysWhite:
8513 case IcsPlayingWhite:
8514 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8516 case TwoMachinesPlay:
8517 if (cps->twoMachinesColor[0] == 'w')
8518 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8520 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8527 } else if (strncmp(message, "computer mates", 14) == 0) {
8529 case MachinePlaysBlack:
8530 case IcsPlayingBlack:
8531 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8533 case MachinePlaysWhite:
8534 case IcsPlayingWhite:
8535 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8537 case TwoMachinesPlay:
8538 if (cps->twoMachinesColor[0] == 'w')
8539 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8541 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8548 } else if (strncmp(message, "checkmate", 9) == 0) {
8549 if (WhiteOnMove(forwardMostMove)) {
8550 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8552 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8555 } else if (strstr(message, "Draw") != NULL ||
8556 strstr(message, "game is a draw") != NULL) {
8557 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8559 } else if (strstr(message, "offer") != NULL &&
8560 strstr(message, "draw") != NULL) {
8562 if (appData.zippyPlay && first.initDone) {
8563 /* Relay offer to ICS */
8564 SendToICS(ics_prefix);
8565 SendToICS("draw\n");
8568 cps->offeredDraw = 2; /* valid until this engine moves twice */
8569 if (gameMode == TwoMachinesPlay) {
8570 if (cps->other->offeredDraw) {
8571 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8572 /* [HGM] in two-machine mode we delay relaying draw offer */
8573 /* until after we also have move, to see if it is really claim */
8575 } else if (gameMode == MachinePlaysWhite ||
8576 gameMode == MachinePlaysBlack) {
8577 if (userOfferedDraw) {
8578 DisplayInformation(_("Machine accepts your draw offer"));
8579 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8581 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8588 * Look for thinking output
8590 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8591 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8593 int plylev, mvleft, mvtot, curscore, time;
8594 char mvname[MOVE_LEN];
8598 int prefixHint = FALSE;
8599 mvname[0] = NULLCHAR;
8602 case MachinePlaysBlack:
8603 case IcsPlayingBlack:
8604 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8606 case MachinePlaysWhite:
8607 case IcsPlayingWhite:
8608 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8613 case IcsObserving: /* [DM] icsEngineAnalyze */
8614 if (!appData.icsEngineAnalyze) ignore = TRUE;
8616 case TwoMachinesPlay:
8617 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8627 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8629 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8630 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8632 if (plyext != ' ' && plyext != '\t') {
8636 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8637 if( cps->scoreIsAbsolute &&
8638 ( gameMode == MachinePlaysBlack ||
8639 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8640 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8641 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8642 !WhiteOnMove(currentMove)
8645 curscore = -curscore;
8648 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8650 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8653 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8654 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8655 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8656 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8657 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8658 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8660 } else DisplayError("failed writing PV", 0);
8663 tempStats.depth = plylev;
8664 tempStats.nodes = nodes;
8665 tempStats.time = time;
8666 tempStats.score = curscore;
8667 tempStats.got_only_move = 0;
8669 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8672 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8673 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8674 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8675 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8676 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8677 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8678 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8679 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8682 /* Buffer overflow protection */
8683 if (pv[0] != NULLCHAR) {
8684 if (strlen(pv) >= sizeof(tempStats.movelist)
8685 && appData.debugMode) {
8687 "PV is too long; using the first %u bytes.\n",
8688 (unsigned) sizeof(tempStats.movelist) - 1);
8691 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8693 sprintf(tempStats.movelist, " no PV\n");
8696 if (tempStats.seen_stat) {
8697 tempStats.ok_to_send = 1;
8700 if (strchr(tempStats.movelist, '(') != NULL) {
8701 tempStats.line_is_book = 1;
8702 tempStats.nr_moves = 0;
8703 tempStats.moves_left = 0;
8705 tempStats.line_is_book = 0;
8708 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8709 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8711 SendProgramStatsToFrontend( cps, &tempStats );
8714 [AS] Protect the thinkOutput buffer from overflow... this
8715 is only useful if buf1 hasn't overflowed first!
8717 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8719 (gameMode == TwoMachinesPlay ?
8720 ToUpper(cps->twoMachinesColor[0]) : ' '),
8721 ((double) curscore) / 100.0,
8722 prefixHint ? lastHint : "",
8723 prefixHint ? " " : "" );
8725 if( buf1[0] != NULLCHAR ) {
8726 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8728 if( strlen(pv) > max_len ) {
8729 if( appData.debugMode) {
8730 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8732 pv[max_len+1] = '\0';
8735 strcat( thinkOutput, pv);
8738 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8739 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8740 DisplayMove(currentMove - 1);
8744 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8745 /* crafty (9.25+) says "(only move) <move>"
8746 * if there is only 1 legal move
8748 sscanf(p, "(only move) %s", buf1);
8749 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8750 sprintf(programStats.movelist, "%s (only move)", buf1);
8751 programStats.depth = 1;
8752 programStats.nr_moves = 1;
8753 programStats.moves_left = 1;
8754 programStats.nodes = 1;
8755 programStats.time = 1;
8756 programStats.got_only_move = 1;
8758 /* Not really, but we also use this member to
8759 mean "line isn't going to change" (Crafty
8760 isn't searching, so stats won't change) */
8761 programStats.line_is_book = 1;
8763 SendProgramStatsToFrontend( cps, &programStats );
8765 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8766 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8767 DisplayMove(currentMove - 1);
8770 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8771 &time, &nodes, &plylev, &mvleft,
8772 &mvtot, mvname) >= 5) {
8773 /* The stat01: line is from Crafty (9.29+) in response
8774 to the "." command */
8775 programStats.seen_stat = 1;
8776 cps->maybeThinking = TRUE;
8778 if (programStats.got_only_move || !appData.periodicUpdates)
8781 programStats.depth = plylev;
8782 programStats.time = time;
8783 programStats.nodes = nodes;
8784 programStats.moves_left = mvleft;
8785 programStats.nr_moves = mvtot;
8786 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8787 programStats.ok_to_send = 1;
8788 programStats.movelist[0] = '\0';
8790 SendProgramStatsToFrontend( cps, &programStats );
8794 } else if (strncmp(message,"++",2) == 0) {
8795 /* Crafty 9.29+ outputs this */
8796 programStats.got_fail = 2;
8799 } else if (strncmp(message,"--",2) == 0) {
8800 /* Crafty 9.29+ outputs this */
8801 programStats.got_fail = 1;
8804 } else if (thinkOutput[0] != NULLCHAR &&
8805 strncmp(message, " ", 4) == 0) {
8806 unsigned message_len;
8809 while (*p && *p == ' ') p++;
8811 message_len = strlen( p );
8813 /* [AS] Avoid buffer overflow */
8814 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8815 strcat(thinkOutput, " ");
8816 strcat(thinkOutput, p);
8819 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8820 strcat(programStats.movelist, " ");
8821 strcat(programStats.movelist, p);
8824 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8825 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8826 DisplayMove(currentMove - 1);
8834 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8835 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8837 ChessProgramStats cpstats;
8839 if (plyext != ' ' && plyext != '\t') {
8843 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8844 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8845 curscore = -curscore;
8848 cpstats.depth = plylev;
8849 cpstats.nodes = nodes;
8850 cpstats.time = time;
8851 cpstats.score = curscore;
8852 cpstats.got_only_move = 0;
8853 cpstats.movelist[0] = '\0';
8855 if (buf1[0] != NULLCHAR) {
8856 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8859 cpstats.ok_to_send = 0;
8860 cpstats.line_is_book = 0;
8861 cpstats.nr_moves = 0;
8862 cpstats.moves_left = 0;
8864 SendProgramStatsToFrontend( cps, &cpstats );
8871 /* Parse a game score from the character string "game", and
8872 record it as the history of the current game. The game
8873 score is NOT assumed to start from the standard position.
8874 The display is not updated in any way.
8877 ParseGameHistory(game)
8881 int fromX, fromY, toX, toY, boardIndex;
8886 if (appData.debugMode)
8887 fprintf(debugFP, "Parsing game history: %s\n", game);
8889 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8890 gameInfo.site = StrSave(appData.icsHost);
8891 gameInfo.date = PGNDate();
8892 gameInfo.round = StrSave("-");
8894 /* Parse out names of players */
8895 while (*game == ' ') game++;
8897 while (*game != ' ') *p++ = *game++;
8899 gameInfo.white = StrSave(buf);
8900 while (*game == ' ') game++;
8902 while (*game != ' ' && *game != '\n') *p++ = *game++;
8904 gameInfo.black = StrSave(buf);
8907 boardIndex = blackPlaysFirst ? 1 : 0;
8910 yyboardindex = boardIndex;
8911 moveType = (ChessMove) Myylex();
8913 case IllegalMove: /* maybe suicide chess, etc. */
8914 if (appData.debugMode) {
8915 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8916 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8917 setbuf(debugFP, NULL);
8919 case WhitePromotion:
8920 case BlackPromotion:
8921 case WhiteNonPromotion:
8922 case BlackNonPromotion:
8924 case WhiteCapturesEnPassant:
8925 case BlackCapturesEnPassant:
8926 case WhiteKingSideCastle:
8927 case WhiteQueenSideCastle:
8928 case BlackKingSideCastle:
8929 case BlackQueenSideCastle:
8930 case WhiteKingSideCastleWild:
8931 case WhiteQueenSideCastleWild:
8932 case BlackKingSideCastleWild:
8933 case BlackQueenSideCastleWild:
8935 case WhiteHSideCastleFR:
8936 case WhiteASideCastleFR:
8937 case BlackHSideCastleFR:
8938 case BlackASideCastleFR:
8940 fromX = currentMoveString[0] - AAA;
8941 fromY = currentMoveString[1] - ONE;
8942 toX = currentMoveString[2] - AAA;
8943 toY = currentMoveString[3] - ONE;
8944 promoChar = currentMoveString[4];
8948 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8949 fromX = moveType == WhiteDrop ?
8950 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8951 (int) CharToPiece(ToLower(currentMoveString[0]));
8953 toX = currentMoveString[2] - AAA;
8954 toY = currentMoveString[3] - ONE;
8955 promoChar = NULLCHAR;
8959 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8960 if (appData.debugMode) {
8961 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8962 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8963 setbuf(debugFP, NULL);
8965 DisplayError(buf, 0);
8967 case ImpossibleMove:
8969 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8970 if (appData.debugMode) {
8971 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8972 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8973 setbuf(debugFP, NULL);
8975 DisplayError(buf, 0);
8978 if (boardIndex < backwardMostMove) {
8979 /* Oops, gap. How did that happen? */
8980 DisplayError(_("Gap in move list"), 0);
8983 backwardMostMove = blackPlaysFirst ? 1 : 0;
8984 if (boardIndex > forwardMostMove) {
8985 forwardMostMove = boardIndex;
8989 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8990 strcat(parseList[boardIndex-1], " ");
8991 strcat(parseList[boardIndex-1], yy_text);
9003 case GameUnfinished:
9004 if (gameMode == IcsExamining) {
9005 if (boardIndex < backwardMostMove) {
9006 /* Oops, gap. How did that happen? */
9009 backwardMostMove = blackPlaysFirst ? 1 : 0;
9012 gameInfo.result = moveType;
9013 p = strchr(yy_text, '{');
9014 if (p == NULL) p = strchr(yy_text, '(');
9017 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9019 q = strchr(p, *p == '{' ? '}' : ')');
9020 if (q != NULL) *q = NULLCHAR;
9023 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9024 gameInfo.resultDetails = StrSave(p);
9027 if (boardIndex >= forwardMostMove &&
9028 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9029 backwardMostMove = blackPlaysFirst ? 1 : 0;
9032 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9033 fromY, fromX, toY, toX, promoChar,
9034 parseList[boardIndex]);
9035 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9036 /* currentMoveString is set as a side-effect of yylex */
9037 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9038 strcat(moveList[boardIndex], "\n");
9040 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9041 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9047 if(gameInfo.variant != VariantShogi)
9048 strcat(parseList[boardIndex - 1], "+");
9052 strcat(parseList[boardIndex - 1], "#");
9059 /* Apply a move to the given board */
9061 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9062 int fromX, fromY, toX, toY;
9066 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9067 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9069 /* [HGM] compute & store e.p. status and castling rights for new position */
9070 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9072 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9073 oldEP = (signed char)board[EP_STATUS];
9074 board[EP_STATUS] = EP_NONE;
9076 if (fromY == DROP_RANK) {
9078 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9079 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9082 piece = board[toY][toX] = (ChessSquare) fromX;
9086 if( board[toY][toX] != EmptySquare )
9087 board[EP_STATUS] = EP_CAPTURE;
9089 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9090 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9091 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9093 if( board[fromY][fromX] == WhitePawn ) {
9094 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9095 board[EP_STATUS] = EP_PAWN_MOVE;
9097 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9098 gameInfo.variant != VariantBerolina || toX < fromX)
9099 board[EP_STATUS] = toX | berolina;
9100 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9101 gameInfo.variant != VariantBerolina || toX > fromX)
9102 board[EP_STATUS] = toX;
9105 if( board[fromY][fromX] == BlackPawn ) {
9106 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9107 board[EP_STATUS] = EP_PAWN_MOVE;
9108 if( toY-fromY== -2) {
9109 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9110 gameInfo.variant != VariantBerolina || toX < fromX)
9111 board[EP_STATUS] = toX | berolina;
9112 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9113 gameInfo.variant != VariantBerolina || toX > fromX)
9114 board[EP_STATUS] = toX;
9118 for(i=0; i<nrCastlingRights; i++) {
9119 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9120 board[CASTLING][i] == toX && castlingRank[i] == toY
9121 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9124 if (fromX == toX && fromY == toY) return;
9126 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9127 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9128 if(gameInfo.variant == VariantKnightmate)
9129 king += (int) WhiteUnicorn - (int) WhiteKing;
9131 /* Code added by Tord: */
9132 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9133 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9134 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9135 board[fromY][fromX] = EmptySquare;
9136 board[toY][toX] = EmptySquare;
9137 if((toX > fromX) != (piece == WhiteRook)) {
9138 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9140 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9142 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9143 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9144 board[fromY][fromX] = EmptySquare;
9145 board[toY][toX] = EmptySquare;
9146 if((toX > fromX) != (piece == BlackRook)) {
9147 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9149 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9151 /* End of code added by Tord */
9153 } else if (board[fromY][fromX] == king
9154 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9155 && toY == fromY && toX > fromX+1) {
9156 board[fromY][fromX] = EmptySquare;
9157 board[toY][toX] = king;
9158 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9159 board[fromY][BOARD_RGHT-1] = EmptySquare;
9160 } else if (board[fromY][fromX] == king
9161 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9162 && toY == fromY && toX < fromX-1) {
9163 board[fromY][fromX] = EmptySquare;
9164 board[toY][toX] = king;
9165 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9166 board[fromY][BOARD_LEFT] = EmptySquare;
9167 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9168 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9169 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9171 /* white pawn promotion */
9172 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9173 if(gameInfo.variant==VariantBughouse ||
9174 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9175 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9176 board[fromY][fromX] = EmptySquare;
9177 } else if ((fromY >= BOARD_HEIGHT>>1)
9179 && gameInfo.variant != VariantXiangqi
9180 && gameInfo.variant != VariantBerolina
9181 && (board[fromY][fromX] == WhitePawn)
9182 && (board[toY][toX] == EmptySquare)) {
9183 board[fromY][fromX] = EmptySquare;
9184 board[toY][toX] = WhitePawn;
9185 captured = board[toY - 1][toX];
9186 board[toY - 1][toX] = EmptySquare;
9187 } else if ((fromY == BOARD_HEIGHT-4)
9189 && gameInfo.variant == VariantBerolina
9190 && (board[fromY][fromX] == WhitePawn)
9191 && (board[toY][toX] == EmptySquare)) {
9192 board[fromY][fromX] = EmptySquare;
9193 board[toY][toX] = WhitePawn;
9194 if(oldEP & EP_BEROLIN_A) {
9195 captured = board[fromY][fromX-1];
9196 board[fromY][fromX-1] = EmptySquare;
9197 }else{ captured = board[fromY][fromX+1];
9198 board[fromY][fromX+1] = EmptySquare;
9200 } else if (board[fromY][fromX] == king
9201 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9202 && toY == fromY && toX > fromX+1) {
9203 board[fromY][fromX] = EmptySquare;
9204 board[toY][toX] = king;
9205 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9206 board[fromY][BOARD_RGHT-1] = EmptySquare;
9207 } else if (board[fromY][fromX] == king
9208 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9209 && toY == fromY && toX < fromX-1) {
9210 board[fromY][fromX] = EmptySquare;
9211 board[toY][toX] = king;
9212 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9213 board[fromY][BOARD_LEFT] = EmptySquare;
9214 } else if (fromY == 7 && fromX == 3
9215 && board[fromY][fromX] == BlackKing
9216 && toY == 7 && toX == 5) {
9217 board[fromY][fromX] = EmptySquare;
9218 board[toY][toX] = BlackKing;
9219 board[fromY][7] = EmptySquare;
9220 board[toY][4] = BlackRook;
9221 } else if (fromY == 7 && fromX == 3
9222 && board[fromY][fromX] == BlackKing
9223 && toY == 7 && toX == 1) {
9224 board[fromY][fromX] = EmptySquare;
9225 board[toY][toX] = BlackKing;
9226 board[fromY][0] = EmptySquare;
9227 board[toY][2] = BlackRook;
9228 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9229 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9230 && toY < promoRank && promoChar
9232 /* black pawn promotion */
9233 board[toY][toX] = CharToPiece(ToLower(promoChar));
9234 if(gameInfo.variant==VariantBughouse ||
9235 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9236 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9237 board[fromY][fromX] = EmptySquare;
9238 } else if ((fromY < BOARD_HEIGHT>>1)
9240 && gameInfo.variant != VariantXiangqi
9241 && gameInfo.variant != VariantBerolina
9242 && (board[fromY][fromX] == BlackPawn)
9243 && (board[toY][toX] == EmptySquare)) {
9244 board[fromY][fromX] = EmptySquare;
9245 board[toY][toX] = BlackPawn;
9246 captured = board[toY + 1][toX];
9247 board[toY + 1][toX] = EmptySquare;
9248 } else if ((fromY == 3)
9250 && gameInfo.variant == VariantBerolina
9251 && (board[fromY][fromX] == BlackPawn)
9252 && (board[toY][toX] == EmptySquare)) {
9253 board[fromY][fromX] = EmptySquare;
9254 board[toY][toX] = BlackPawn;
9255 if(oldEP & EP_BEROLIN_A) {
9256 captured = board[fromY][fromX-1];
9257 board[fromY][fromX-1] = EmptySquare;
9258 }else{ captured = board[fromY][fromX+1];
9259 board[fromY][fromX+1] = EmptySquare;
9262 board[toY][toX] = board[fromY][fromX];
9263 board[fromY][fromX] = EmptySquare;
9267 if (gameInfo.holdingsWidth != 0) {
9269 /* !!A lot more code needs to be written to support holdings */
9270 /* [HGM] OK, so I have written it. Holdings are stored in the */
9271 /* penultimate board files, so they are automaticlly stored */
9272 /* in the game history. */
9273 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9274 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9275 /* Delete from holdings, by decreasing count */
9276 /* and erasing image if necessary */
9277 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9278 if(p < (int) BlackPawn) { /* white drop */
9279 p -= (int)WhitePawn;
9280 p = PieceToNumber((ChessSquare)p);
9281 if(p >= gameInfo.holdingsSize) p = 0;
9282 if(--board[p][BOARD_WIDTH-2] <= 0)
9283 board[p][BOARD_WIDTH-1] = EmptySquare;
9284 if((int)board[p][BOARD_WIDTH-2] < 0)
9285 board[p][BOARD_WIDTH-2] = 0;
9286 } else { /* black drop */
9287 p -= (int)BlackPawn;
9288 p = PieceToNumber((ChessSquare)p);
9289 if(p >= gameInfo.holdingsSize) p = 0;
9290 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9291 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9292 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9293 board[BOARD_HEIGHT-1-p][1] = 0;
9296 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9297 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9298 /* [HGM] holdings: Add to holdings, if holdings exist */
9299 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9300 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9301 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9304 if (p >= (int) BlackPawn) {
9305 p -= (int)BlackPawn;
9306 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9307 /* in Shogi restore piece to its original first */
9308 captured = (ChessSquare) (DEMOTED captured);
9311 p = PieceToNumber((ChessSquare)p);
9312 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9313 board[p][BOARD_WIDTH-2]++;
9314 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9316 p -= (int)WhitePawn;
9317 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9318 captured = (ChessSquare) (DEMOTED captured);
9321 p = PieceToNumber((ChessSquare)p);
9322 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9323 board[BOARD_HEIGHT-1-p][1]++;
9324 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9327 } else if (gameInfo.variant == VariantAtomic) {
9328 if (captured != EmptySquare) {
9330 for (y = toY-1; y <= toY+1; y++) {
9331 for (x = toX-1; x <= toX+1; x++) {
9332 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9333 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9334 board[y][x] = EmptySquare;
9338 board[toY][toX] = EmptySquare;
9341 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9342 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9344 if(promoChar == '+') {
9345 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9346 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9347 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9348 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9350 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9351 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9352 // [HGM] superchess: take promotion piece out of holdings
9353 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9354 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9355 if(!--board[k][BOARD_WIDTH-2])
9356 board[k][BOARD_WIDTH-1] = EmptySquare;
9358 if(!--board[BOARD_HEIGHT-1-k][1])
9359 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9365 /* Updates forwardMostMove */
9367 MakeMove(fromX, fromY, toX, toY, promoChar)
9368 int fromX, fromY, toX, toY;
9371 // forwardMostMove++; // [HGM] bare: moved downstream
9373 (void) CoordsToAlgebraic(boards[forwardMostMove],
9374 PosFlags(forwardMostMove),
9375 fromY, fromX, toY, toX, promoChar,
9376 parseList[forwardMostMove]);
9378 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9379 int timeLeft; static int lastLoadFlag=0; int king, piece;
9380 piece = boards[forwardMostMove][fromY][fromX];
9381 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9382 if(gameInfo.variant == VariantKnightmate)
9383 king += (int) WhiteUnicorn - (int) WhiteKing;
9384 if(forwardMostMove == 0) {
9385 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9386 fprintf(serverMoves, "%s;", UserName());
9387 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9388 fprintf(serverMoves, "%s;", second.tidy);
9389 fprintf(serverMoves, "%s;", first.tidy);
9390 if(gameMode == MachinePlaysWhite)
9391 fprintf(serverMoves, "%s;", UserName());
9392 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9393 fprintf(serverMoves, "%s;", second.tidy);
9394 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9395 lastLoadFlag = loadFlag;
9397 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9398 // print castling suffix
9399 if( toY == fromY && piece == king ) {
9401 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9403 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9406 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9407 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9408 boards[forwardMostMove][toY][toX] == EmptySquare
9409 && fromX != toX && fromY != toY)
9410 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9412 if(promoChar != NULLCHAR)
9413 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9415 char buf[MOVE_LEN*2], *p; int len;
9416 fprintf(serverMoves, "/%d/%d",
9417 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9418 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9419 else timeLeft = blackTimeRemaining/1000;
9420 fprintf(serverMoves, "/%d", timeLeft);
9421 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9422 if(p = strchr(buf, '=')) *p = NULLCHAR;
9423 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9424 fprintf(serverMoves, "/%s", buf);
9426 fflush(serverMoves);
9429 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9430 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9433 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9434 if (commentList[forwardMostMove+1] != NULL) {
9435 free(commentList[forwardMostMove+1]);
9436 commentList[forwardMostMove+1] = NULL;
9438 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9439 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9440 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9441 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9442 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9443 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9444 adjustedClock = FALSE;
9445 gameInfo.result = GameUnfinished;
9446 if (gameInfo.resultDetails != NULL) {
9447 free(gameInfo.resultDetails);
9448 gameInfo.resultDetails = NULL;
9450 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9451 moveList[forwardMostMove - 1]);
9452 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9458 if(gameInfo.variant != VariantShogi)
9459 strcat(parseList[forwardMostMove - 1], "+");
9463 strcat(parseList[forwardMostMove - 1], "#");
9466 if (appData.debugMode) {
9467 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9472 /* Updates currentMove if not pausing */
9474 ShowMove(fromX, fromY, toX, toY)
9476 int instant = (gameMode == PlayFromGameFile) ?
9477 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9478 if(appData.noGUI) return;
9479 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9481 if (forwardMostMove == currentMove + 1) {
9482 AnimateMove(boards[forwardMostMove - 1],
9483 fromX, fromY, toX, toY);
9485 if (appData.highlightLastMove) {
9486 SetHighlights(fromX, fromY, toX, toY);
9489 currentMove = forwardMostMove;
9492 if (instant) return;
9494 DisplayMove(currentMove - 1);
9495 DrawPosition(FALSE, boards[currentMove]);
9496 DisplayBothClocks();
9497 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9500 void SendEgtPath(ChessProgramState *cps)
9501 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9502 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9504 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9507 char c, *q = name+1, *r, *s;
9509 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9510 while(*p && *p != ',') *q++ = *p++;
9512 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9513 strcmp(name, ",nalimov:") == 0 ) {
9514 // take nalimov path from the menu-changeable option first, if it is defined
9515 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9516 SendToProgram(buf,cps); // send egtbpath command for nalimov
9518 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9519 (s = StrStr(appData.egtFormats, name)) != NULL) {
9520 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9521 s = r = StrStr(s, ":") + 1; // beginning of path info
9522 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9523 c = *r; *r = 0; // temporarily null-terminate path info
9524 *--q = 0; // strip of trailig ':' from name
9525 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9527 SendToProgram(buf,cps); // send egtbpath command for this format
9529 if(*p == ',') p++; // read away comma to position for next format name
9534 InitChessProgram(cps, setup)
9535 ChessProgramState *cps;
9536 int setup; /* [HGM] needed to setup FRC opening position */
9538 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9539 if (appData.noChessProgram) return;
9540 hintRequested = FALSE;
9541 bookRequested = FALSE;
9543 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9544 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9545 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9546 if(cps->memSize) { /* [HGM] memory */
9547 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9548 SendToProgram(buf, cps);
9550 SendEgtPath(cps); /* [HGM] EGT */
9551 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9552 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9553 SendToProgram(buf, cps);
9556 SendToProgram(cps->initString, cps);
9557 if (gameInfo.variant != VariantNormal &&
9558 gameInfo.variant != VariantLoadable
9559 /* [HGM] also send variant if board size non-standard */
9560 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9562 char *v = VariantName(gameInfo.variant);
9563 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9564 /* [HGM] in protocol 1 we have to assume all variants valid */
9565 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9566 DisplayFatalError(buf, 0, 1);
9570 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9571 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9572 if( gameInfo.variant == VariantXiangqi )
9573 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9574 if( gameInfo.variant == VariantShogi )
9575 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9576 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9577 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9578 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9579 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9580 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9581 if( gameInfo.variant == VariantCourier )
9582 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9583 if( gameInfo.variant == VariantSuper )
9584 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9585 if( gameInfo.variant == VariantGreat )
9586 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9587 if( gameInfo.variant == VariantSChess )
9588 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9589 if( gameInfo.variant == VariantGrand )
9590 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9593 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9594 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9595 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9596 if(StrStr(cps->variants, b) == NULL) {
9597 // specific sized variant not known, check if general sizing allowed
9598 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9599 if(StrStr(cps->variants, "boardsize") == NULL) {
9600 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9601 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9602 DisplayFatalError(buf, 0, 1);
9605 /* [HGM] here we really should compare with the maximum supported board size */
9608 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9609 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9610 SendToProgram(buf, cps);
9612 currentlyInitializedVariant = gameInfo.variant;
9614 /* [HGM] send opening position in FRC to first engine */
9616 SendToProgram("force\n", cps);
9618 /* engine is now in force mode! Set flag to wake it up after first move. */
9619 setboardSpoiledMachineBlack = 1;
9623 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9624 SendToProgram(buf, cps);
9626 cps->maybeThinking = FALSE;
9627 cps->offeredDraw = 0;
9628 if (!appData.icsActive) {
9629 SendTimeControl(cps, movesPerSession, timeControl,
9630 timeIncrement, appData.searchDepth,
9633 if (appData.showThinking
9634 // [HGM] thinking: four options require thinking output to be sent
9635 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9637 SendToProgram("post\n", cps);
9639 SendToProgram("hard\n", cps);
9640 if (!appData.ponderNextMove) {
9641 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9642 it without being sure what state we are in first. "hard"
9643 is not a toggle, so that one is OK.
9645 SendToProgram("easy\n", cps);
9648 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9649 SendToProgram(buf, cps);
9651 cps->initDone = TRUE;
9652 ClearEngineOutputPane(cps == &second);
9657 StartChessProgram(cps)
9658 ChessProgramState *cps;
9663 if (appData.noChessProgram) return;
9664 cps->initDone = FALSE;
9666 if (strcmp(cps->host, "localhost") == 0) {
9667 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9668 } else if (*appData.remoteShell == NULLCHAR) {
9669 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9671 if (*appData.remoteUser == NULLCHAR) {
9672 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9675 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9676 cps->host, appData.remoteUser, cps->program);
9678 err = StartChildProcess(buf, "", &cps->pr);
9682 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9683 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9684 if(cps != &first) return;
9685 appData.noChessProgram = TRUE;
9688 // DisplayFatalError(buf, err, 1);
9689 // cps->pr = NoProc;
9694 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9695 if (cps->protocolVersion > 1) {
9696 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9697 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9698 cps->comboCnt = 0; // and values of combo boxes
9699 SendToProgram(buf, cps);
9701 SendToProgram("xboard\n", cps);
9706 TwoMachinesEventIfReady P((void))
9708 static int curMess = 0;
9709 if (first.lastPing != first.lastPong) {
9710 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9711 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9714 if (second.lastPing != second.lastPong) {
9715 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9716 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9719 DisplayMessage("", ""); curMess = 0;
9725 MakeName(char *template)
9729 static char buf[MSG_SIZ];
9733 clock = time((time_t *)NULL);
9734 tm = localtime(&clock);
9736 while(*p++ = *template++) if(p[-1] == '%') {
9737 switch(*template++) {
9738 case 0: *p = 0; return buf;
9739 case 'Y': i = tm->tm_year+1900; break;
9740 case 'y': i = tm->tm_year-100; break;
9741 case 'M': i = tm->tm_mon+1; break;
9742 case 'd': i = tm->tm_mday; break;
9743 case 'h': i = tm->tm_hour; break;
9744 case 'm': i = tm->tm_min; break;
9745 case 's': i = tm->tm_sec; break;
9748 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9754 CountPlayers(char *p)
9757 while(p = strchr(p, '\n')) p++, n++; // count participants
9762 WriteTourneyFile(char *results, FILE *f)
9763 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9764 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9765 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9766 // create a file with tournament description
9767 fprintf(f, "-participants {%s}\n", appData.participants);
9768 fprintf(f, "-seedBase %d\n", appData.seedBase);
9769 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9770 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9771 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9772 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9773 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9774 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9775 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9776 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9777 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9778 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9779 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9780 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9782 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9784 fprintf(f, "-mps %d\n", appData.movesPerSession);
9785 fprintf(f, "-tc %s\n", appData.timeControl);
9786 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9788 fprintf(f, "-results \"%s\"\n", results);
9793 #define MAXENGINES 1000
9794 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9796 void Substitute(char *participants, int expunge)
9798 int i, changed, changes=0, nPlayers=0;
9799 char *p, *q, *r, buf[MSG_SIZ];
9800 if(participants == NULL) return;
9801 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9802 r = p = participants; q = appData.participants;
9803 while(*p && *p == *q) {
9804 if(*p == '\n') r = p+1, nPlayers++;
9807 if(*p) { // difference
9808 while(*p && *p++ != '\n');
9809 while(*q && *q++ != '\n');
9811 changes = 1 + (strcmp(p, q) != 0);
9813 if(changes == 1) { // a single engine mnemonic was changed
9814 q = r; while(*q) nPlayers += (*q++ == '\n');
9815 p = buf; while(*r && (*p = *r++) != '\n') p++;
9817 NamesToList(firstChessProgramNames, command, mnemonic);
9818 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9819 if(mnemonic[i]) { // The substitute is valid
9821 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9822 flock(fileno(f), LOCK_EX);
9823 ParseArgsFromFile(f);
9824 fseek(f, 0, SEEK_SET);
9825 FREE(appData.participants); appData.participants = participants;
9826 if(expunge) { // erase results of replaced engine
9827 int len = strlen(appData.results), w, b, dummy;
9828 for(i=0; i<len; i++) {
9829 Pairing(i, nPlayers, &w, &b, &dummy);
9830 if((w == changed || b == changed) && appData.results[i] == '*') {
9831 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9836 for(i=0; i<len; i++) {
9837 Pairing(i, nPlayers, &w, &b, &dummy);
9838 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9841 WriteTourneyFile(appData.results, f);
9842 fclose(f); // release lock
9845 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9847 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9848 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9854 CreateTourney(char *name)
9857 if(matchMode && strcmp(name, appData.tourneyFile)) {
9858 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9860 if(name[0] == NULLCHAR) {
9861 if(appData.participants[0])
9862 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9865 f = fopen(name, "r");
9866 if(f) { // file exists
9867 ASSIGN(appData.tourneyFile, name);
9868 ParseArgsFromFile(f); // parse it
9870 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9871 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9872 DisplayError(_("Not enough participants"), 0);
9875 ASSIGN(appData.tourneyFile, name);
9876 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9877 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9880 appData.noChessProgram = FALSE;
9881 appData.clockMode = TRUE;
9886 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9888 char buf[MSG_SIZ], *p, *q;
9892 while(*p && *p != '\n') *q++ = *p++;
9894 if(engineList[i]) free(engineList[i]);
9895 engineList[i] = strdup(buf);
9897 TidyProgramName(engineList[i], "localhost", buf);
9898 if(engineMnemonic[i]) free(engineMnemonic[i]);
9899 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9901 sscanf(q + 8, "%s", buf + strlen(buf));
9904 engineMnemonic[i] = strdup(buf);
9906 if(i > MAXENGINES - 2) break;
9908 engineList[i] = engineMnemonic[i] = NULL;
9911 // following implemented as macro to avoid type limitations
9912 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9914 void SwapEngines(int n)
9915 { // swap settings for first engine and other engine (so far only some selected options)
9920 SWAP(chessProgram, p)
9922 SWAP(hasOwnBookUCI, h)
9923 SWAP(protocolVersion, h)
9925 SWAP(scoreIsAbsolute, h)
9934 SetPlayer(int player)
9935 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9937 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9938 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9939 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9940 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9942 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9943 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9944 appData.firstHasOwnBookUCI = !appData.defNoBook;
9945 ParseArgsFromString(buf);
9951 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9952 { // determine players from game number
9953 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9955 if(appData.tourneyType == 0) {
9956 roundsPerCycle = (nPlayers - 1) | 1;
9957 pairingsPerRound = nPlayers / 2;
9958 } else if(appData.tourneyType > 0) {
9959 roundsPerCycle = nPlayers - appData.tourneyType;
9960 pairingsPerRound = appData.tourneyType;
9962 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9963 gamesPerCycle = gamesPerRound * roundsPerCycle;
9964 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9965 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9966 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9967 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9968 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9969 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9971 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9972 if(appData.roundSync) *syncInterval = gamesPerRound;
9974 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9976 if(appData.tourneyType == 0) {
9977 if(curPairing == (nPlayers-1)/2 ) {
9978 *whitePlayer = curRound;
9979 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9981 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9982 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9983 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9984 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9986 } else if(appData.tourneyType > 0) {
9987 *whitePlayer = curPairing;
9988 *blackPlayer = curRound + appData.tourneyType;
9991 // take care of white/black alternation per round.
9992 // For cycles and games this is already taken care of by default, derived from matchGame!
9993 return curRound & 1;
9997 NextTourneyGame(int nr, int *swapColors)
9998 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10000 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10002 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10003 tf = fopen(appData.tourneyFile, "r");
10004 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10005 ParseArgsFromFile(tf); fclose(tf);
10006 InitTimeControls(); // TC might be altered from tourney file
10008 nPlayers = CountPlayers(appData.participants); // count participants
10009 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10010 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10013 p = q = appData.results;
10014 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10015 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10016 DisplayMessage(_("Waiting for other game(s)"),"");
10017 waitingForGame = TRUE;
10018 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10021 waitingForGame = FALSE;
10024 if(appData.tourneyType < 0) {
10025 if(nr>=0 && !pairingReceived) {
10027 if(pairing.pr == NoProc) {
10028 if(!appData.pairingEngine[0]) {
10029 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10032 StartChessProgram(&pairing); // starts the pairing engine
10034 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10035 SendToProgram(buf, &pairing);
10036 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10037 SendToProgram(buf, &pairing);
10038 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10040 pairingReceived = 0; // ... so we continue here
10042 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10043 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10044 matchGame = 1; roundNr = nr / syncInterval + 1;
10047 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10049 // redefine engines, engine dir, etc.
10050 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10051 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10053 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10054 SwapEngines(1); // and make that valid for second engine by swapping
10055 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10056 InitEngine(&second, 1);
10057 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10058 UpdateLogos(FALSE); // leave display to ModeHiglight()
10064 { // performs game initialization that does not invoke engines, and then tries to start the game
10065 int res, firstWhite, swapColors = 0;
10066 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10067 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10068 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10069 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10070 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10071 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10072 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10073 Reset(FALSE, first.pr != NoProc);
10074 res = LoadGameOrPosition(matchGame); // setup game
10075 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10076 if(!res) return; // abort when bad game/pos file
10077 TwoMachinesEvent();
10080 void UserAdjudicationEvent( int result )
10082 ChessMove gameResult = GameIsDrawn;
10085 gameResult = WhiteWins;
10087 else if( result < 0 ) {
10088 gameResult = BlackWins;
10091 if( gameMode == TwoMachinesPlay ) {
10092 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10097 // [HGM] save: calculate checksum of game to make games easily identifiable
10098 int StringCheckSum(char *s)
10101 if(s==NULL) return 0;
10102 while(*s) i = i*259 + *s++;
10109 for(i=backwardMostMove; i<forwardMostMove; i++) {
10110 sum += pvInfoList[i].depth;
10111 sum += StringCheckSum(parseList[i]);
10112 sum += StringCheckSum(commentList[i]);
10115 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10116 return sum + StringCheckSum(commentList[i]);
10117 } // end of save patch
10120 GameEnds(result, resultDetails, whosays)
10122 char *resultDetails;
10125 GameMode nextGameMode;
10127 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10129 if(endingGame) return; /* [HGM] crash: forbid recursion */
10131 if(twoBoards) { // [HGM] dual: switch back to one board
10132 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10133 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10135 if (appData.debugMode) {
10136 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10137 result, resultDetails ? resultDetails : "(null)", whosays);
10140 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10142 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10143 /* If we are playing on ICS, the server decides when the
10144 game is over, but the engine can offer to draw, claim
10148 if (appData.zippyPlay && first.initDone) {
10149 if (result == GameIsDrawn) {
10150 /* In case draw still needs to be claimed */
10151 SendToICS(ics_prefix);
10152 SendToICS("draw\n");
10153 } else if (StrCaseStr(resultDetails, "resign")) {
10154 SendToICS(ics_prefix);
10155 SendToICS("resign\n");
10159 endingGame = 0; /* [HGM] crash */
10163 /* If we're loading the game from a file, stop */
10164 if (whosays == GE_FILE) {
10165 (void) StopLoadGameTimer();
10169 /* Cancel draw offers */
10170 first.offeredDraw = second.offeredDraw = 0;
10172 /* If this is an ICS game, only ICS can really say it's done;
10173 if not, anyone can. */
10174 isIcsGame = (gameMode == IcsPlayingWhite ||
10175 gameMode == IcsPlayingBlack ||
10176 gameMode == IcsObserving ||
10177 gameMode == IcsExamining);
10179 if (!isIcsGame || whosays == GE_ICS) {
10180 /* OK -- not an ICS game, or ICS said it was done */
10182 if (!isIcsGame && !appData.noChessProgram)
10183 SetUserThinkingEnables();
10185 /* [HGM] if a machine claims the game end we verify this claim */
10186 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10187 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10189 ChessMove trueResult = (ChessMove) -1;
10191 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10192 first.twoMachinesColor[0] :
10193 second.twoMachinesColor[0] ;
10195 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10196 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10197 /* [HGM] verify: engine mate claims accepted if they were flagged */
10198 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10200 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10201 /* [HGM] verify: engine mate claims accepted if they were flagged */
10202 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10204 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10205 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10208 // now verify win claims, but not in drop games, as we don't understand those yet
10209 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10210 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10211 (result == WhiteWins && claimer == 'w' ||
10212 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10213 if (appData.debugMode) {
10214 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10215 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10217 if(result != trueResult) {
10218 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10219 result = claimer == 'w' ? BlackWins : WhiteWins;
10220 resultDetails = buf;
10223 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10224 && (forwardMostMove <= backwardMostMove ||
10225 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10226 (claimer=='b')==(forwardMostMove&1))
10228 /* [HGM] verify: draws that were not flagged are false claims */
10229 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10230 result = claimer == 'w' ? BlackWins : WhiteWins;
10231 resultDetails = buf;
10233 /* (Claiming a loss is accepted no questions asked!) */
10235 /* [HGM] bare: don't allow bare King to win */
10236 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10237 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10238 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10239 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10240 && result != GameIsDrawn)
10241 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10242 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10243 int p = (signed char)boards[forwardMostMove][i][j] - color;
10244 if(p >= 0 && p <= (int)WhiteKing) k++;
10246 if (appData.debugMode) {
10247 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10248 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10251 result = GameIsDrawn;
10252 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10253 resultDetails = buf;
10259 if(serverMoves != NULL && !loadFlag) { char c = '=';
10260 if(result==WhiteWins) c = '+';
10261 if(result==BlackWins) c = '-';
10262 if(resultDetails != NULL)
10263 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10265 if (resultDetails != NULL) {
10266 gameInfo.result = result;
10267 gameInfo.resultDetails = StrSave(resultDetails);
10269 /* display last move only if game was not loaded from file */
10270 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10271 DisplayMove(currentMove - 1);
10273 if (forwardMostMove != 0) {
10274 if (gameMode != PlayFromGameFile && gameMode != EditGame
10275 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10277 if (*appData.saveGameFile != NULLCHAR) {
10278 SaveGameToFile(appData.saveGameFile, TRUE);
10279 } else if (appData.autoSaveGames) {
10282 if (*appData.savePositionFile != NULLCHAR) {
10283 SavePositionToFile(appData.savePositionFile);
10288 /* Tell program how game ended in case it is learning */
10289 /* [HGM] Moved this to after saving the PGN, just in case */
10290 /* engine died and we got here through time loss. In that */
10291 /* case we will get a fatal error writing the pipe, which */
10292 /* would otherwise lose us the PGN. */
10293 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10294 /* output during GameEnds should never be fatal anymore */
10295 if (gameMode == MachinePlaysWhite ||
10296 gameMode == MachinePlaysBlack ||
10297 gameMode == TwoMachinesPlay ||
10298 gameMode == IcsPlayingWhite ||
10299 gameMode == IcsPlayingBlack ||
10300 gameMode == BeginningOfGame) {
10302 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10304 if (first.pr != NoProc) {
10305 SendToProgram(buf, &first);
10307 if (second.pr != NoProc &&
10308 gameMode == TwoMachinesPlay) {
10309 SendToProgram(buf, &second);
10314 if (appData.icsActive) {
10315 if (appData.quietPlay &&
10316 (gameMode == IcsPlayingWhite ||
10317 gameMode == IcsPlayingBlack)) {
10318 SendToICS(ics_prefix);
10319 SendToICS("set shout 1\n");
10321 nextGameMode = IcsIdle;
10322 ics_user_moved = FALSE;
10323 /* clean up premove. It's ugly when the game has ended and the
10324 * premove highlights are still on the board.
10327 gotPremove = FALSE;
10328 ClearPremoveHighlights();
10329 DrawPosition(FALSE, boards[currentMove]);
10331 if (whosays == GE_ICS) {
10334 if (gameMode == IcsPlayingWhite)
10336 else if(gameMode == IcsPlayingBlack)
10337 PlayIcsLossSound();
10340 if (gameMode == IcsPlayingBlack)
10342 else if(gameMode == IcsPlayingWhite)
10343 PlayIcsLossSound();
10346 PlayIcsDrawSound();
10349 PlayIcsUnfinishedSound();
10352 } else if (gameMode == EditGame ||
10353 gameMode == PlayFromGameFile ||
10354 gameMode == AnalyzeMode ||
10355 gameMode == AnalyzeFile) {
10356 nextGameMode = gameMode;
10358 nextGameMode = EndOfGame;
10363 nextGameMode = gameMode;
10366 if (appData.noChessProgram) {
10367 gameMode = nextGameMode;
10369 endingGame = 0; /* [HGM] crash */
10374 /* Put first chess program into idle state */
10375 if (first.pr != NoProc &&
10376 (gameMode == MachinePlaysWhite ||
10377 gameMode == MachinePlaysBlack ||
10378 gameMode == TwoMachinesPlay ||
10379 gameMode == IcsPlayingWhite ||
10380 gameMode == IcsPlayingBlack ||
10381 gameMode == BeginningOfGame)) {
10382 SendToProgram("force\n", &first);
10383 if (first.usePing) {
10385 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10386 SendToProgram(buf, &first);
10389 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10390 /* Kill off first chess program */
10391 if (first.isr != NULL)
10392 RemoveInputSource(first.isr);
10395 if (first.pr != NoProc) {
10397 DoSleep( appData.delayBeforeQuit );
10398 SendToProgram("quit\n", &first);
10399 DoSleep( appData.delayAfterQuit );
10400 DestroyChildProcess(first.pr, first.useSigterm);
10404 if (second.reuse) {
10405 /* Put second chess program into idle state */
10406 if (second.pr != NoProc &&
10407 gameMode == TwoMachinesPlay) {
10408 SendToProgram("force\n", &second);
10409 if (second.usePing) {
10411 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10412 SendToProgram(buf, &second);
10415 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10416 /* Kill off second chess program */
10417 if (second.isr != NULL)
10418 RemoveInputSource(second.isr);
10421 if (second.pr != NoProc) {
10422 DoSleep( appData.delayBeforeQuit );
10423 SendToProgram("quit\n", &second);
10424 DoSleep( appData.delayAfterQuit );
10425 DestroyChildProcess(second.pr, second.useSigterm);
10427 second.pr = NoProc;
10430 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10431 char resChar = '=';
10435 if (first.twoMachinesColor[0] == 'w') {
10438 second.matchWins++;
10443 if (first.twoMachinesColor[0] == 'b') {
10446 second.matchWins++;
10449 case GameUnfinished:
10455 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10456 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10457 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10458 ReserveGame(nextGame, resChar); // sets nextGame
10459 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10460 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10461 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10463 if (nextGame <= appData.matchGames && !abortMatch) {
10464 gameMode = nextGameMode;
10465 matchGame = nextGame; // this will be overruled in tourney mode!
10466 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10467 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10468 endingGame = 0; /* [HGM] crash */
10471 gameMode = nextGameMode;
10472 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10473 first.tidy, second.tidy,
10474 first.matchWins, second.matchWins,
10475 appData.matchGames - (first.matchWins + second.matchWins));
10476 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10477 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10478 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10479 first.twoMachinesColor = "black\n";
10480 second.twoMachinesColor = "white\n";
10482 first.twoMachinesColor = "white\n";
10483 second.twoMachinesColor = "black\n";
10487 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10488 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10490 gameMode = nextGameMode;
10492 endingGame = 0; /* [HGM] crash */
10493 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10494 if(matchMode == TRUE) { // match through command line: exit with or without popup
10496 ToNrEvent(forwardMostMove);
10497 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10499 } else DisplayFatalError(buf, 0, 0);
10500 } else { // match through menu; just stop, with or without popup
10501 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10504 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10505 } else DisplayNote(buf);
10507 if(ranking) free(ranking);
10511 /* Assumes program was just initialized (initString sent).
10512 Leaves program in force mode. */
10514 FeedMovesToProgram(cps, upto)
10515 ChessProgramState *cps;
10520 if (appData.debugMode)
10521 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10522 startedFromSetupPosition ? "position and " : "",
10523 backwardMostMove, upto, cps->which);
10524 if(currentlyInitializedVariant != gameInfo.variant) {
10526 // [HGM] variantswitch: make engine aware of new variant
10527 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10528 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10529 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10530 SendToProgram(buf, cps);
10531 currentlyInitializedVariant = gameInfo.variant;
10533 SendToProgram("force\n", cps);
10534 if (startedFromSetupPosition) {
10535 SendBoard(cps, backwardMostMove);
10536 if (appData.debugMode) {
10537 fprintf(debugFP, "feedMoves\n");
10540 for (i = backwardMostMove; i < upto; i++) {
10541 SendMoveToProgram(i, cps);
10547 ResurrectChessProgram()
10549 /* The chess program may have exited.
10550 If so, restart it and feed it all the moves made so far. */
10551 static int doInit = 0;
10553 if (appData.noChessProgram) return 1;
10555 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10556 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10557 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10558 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10560 if (first.pr != NoProc) return 1;
10561 StartChessProgram(&first);
10563 InitChessProgram(&first, FALSE);
10564 FeedMovesToProgram(&first, currentMove);
10566 if (!first.sendTime) {
10567 /* can't tell gnuchess what its clock should read,
10568 so we bow to its notion. */
10570 timeRemaining[0][currentMove] = whiteTimeRemaining;
10571 timeRemaining[1][currentMove] = blackTimeRemaining;
10574 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10575 appData.icsEngineAnalyze) && first.analysisSupport) {
10576 SendToProgram("analyze\n", &first);
10577 first.analyzing = TRUE;
10583 * Button procedures
10586 Reset(redraw, init)
10591 if (appData.debugMode) {
10592 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10593 redraw, init, gameMode);
10595 CleanupTail(); // [HGM] vari: delete any stored variations
10596 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10597 pausing = pauseExamInvalid = FALSE;
10598 startedFromSetupPosition = blackPlaysFirst = FALSE;
10600 whiteFlag = blackFlag = FALSE;
10601 userOfferedDraw = FALSE;
10602 hintRequested = bookRequested = FALSE;
10603 first.maybeThinking = FALSE;
10604 second.maybeThinking = FALSE;
10605 first.bookSuspend = FALSE; // [HGM] book
10606 second.bookSuspend = FALSE;
10607 thinkOutput[0] = NULLCHAR;
10608 lastHint[0] = NULLCHAR;
10609 ClearGameInfo(&gameInfo);
10610 gameInfo.variant = StringToVariant(appData.variant);
10611 ics_user_moved = ics_clock_paused = FALSE;
10612 ics_getting_history = H_FALSE;
10614 white_holding[0] = black_holding[0] = NULLCHAR;
10615 ClearProgramStats();
10616 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10620 flipView = appData.flipView;
10621 ClearPremoveHighlights();
10622 gotPremove = FALSE;
10623 alarmSounded = FALSE;
10625 GameEnds(EndOfFile, NULL, GE_PLAYER);
10626 if(appData.serverMovesName != NULL) {
10627 /* [HGM] prepare to make moves file for broadcasting */
10628 clock_t t = clock();
10629 if(serverMoves != NULL) fclose(serverMoves);
10630 serverMoves = fopen(appData.serverMovesName, "r");
10631 if(serverMoves != NULL) {
10632 fclose(serverMoves);
10633 /* delay 15 sec before overwriting, so all clients can see end */
10634 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10636 serverMoves = fopen(appData.serverMovesName, "w");
10640 gameMode = BeginningOfGame;
10642 if(appData.icsActive) gameInfo.variant = VariantNormal;
10643 currentMove = forwardMostMove = backwardMostMove = 0;
10644 InitPosition(redraw);
10645 for (i = 0; i < MAX_MOVES; i++) {
10646 if (commentList[i] != NULL) {
10647 free(commentList[i]);
10648 commentList[i] = NULL;
10652 timeRemaining[0][0] = whiteTimeRemaining;
10653 timeRemaining[1][0] = blackTimeRemaining;
10655 if (first.pr == NoProc) {
10656 StartChessProgram(&first);
10659 InitChessProgram(&first, startedFromSetupPosition);
10662 DisplayMessage("", "");
10663 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10664 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10671 if (!AutoPlayOneMove())
10673 if (matchMode || appData.timeDelay == 0)
10675 if (appData.timeDelay < 0)
10677 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10686 int fromX, fromY, toX, toY;
10688 if (appData.debugMode) {
10689 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10692 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10695 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10696 pvInfoList[currentMove].depth = programStats.depth;
10697 pvInfoList[currentMove].score = programStats.score;
10698 pvInfoList[currentMove].time = 0;
10699 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10702 if (currentMove >= forwardMostMove) {
10703 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10704 // gameMode = EndOfGame;
10705 // ModeHighlight();
10707 /* [AS] Clear current move marker at the end of a game */
10708 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10713 toX = moveList[currentMove][2] - AAA;
10714 toY = moveList[currentMove][3] - ONE;
10716 if (moveList[currentMove][1] == '@') {
10717 if (appData.highlightLastMove) {
10718 SetHighlights(-1, -1, toX, toY);
10721 fromX = moveList[currentMove][0] - AAA;
10722 fromY = moveList[currentMove][1] - ONE;
10724 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10726 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10728 if (appData.highlightLastMove) {
10729 SetHighlights(fromX, fromY, toX, toY);
10732 DisplayMove(currentMove);
10733 SendMoveToProgram(currentMove++, &first);
10734 DisplayBothClocks();
10735 DrawPosition(FALSE, boards[currentMove]);
10736 // [HGM] PV info: always display, routine tests if empty
10737 DisplayComment(currentMove - 1, commentList[currentMove]);
10743 LoadGameOneMove(readAhead)
10744 ChessMove readAhead;
10746 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10747 char promoChar = NULLCHAR;
10748 ChessMove moveType;
10749 char move[MSG_SIZ];
10752 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10753 gameMode != AnalyzeMode && gameMode != Training) {
10758 yyboardindex = forwardMostMove;
10759 if (readAhead != EndOfFile) {
10760 moveType = readAhead;
10762 if (gameFileFP == NULL)
10764 moveType = (ChessMove) Myylex();
10768 switch (moveType) {
10770 if (appData.debugMode)
10771 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10774 /* append the comment but don't display it */
10775 AppendComment(currentMove, p, FALSE);
10778 case WhiteCapturesEnPassant:
10779 case BlackCapturesEnPassant:
10780 case WhitePromotion:
10781 case BlackPromotion:
10782 case WhiteNonPromotion:
10783 case BlackNonPromotion:
10785 case WhiteKingSideCastle:
10786 case WhiteQueenSideCastle:
10787 case BlackKingSideCastle:
10788 case BlackQueenSideCastle:
10789 case WhiteKingSideCastleWild:
10790 case WhiteQueenSideCastleWild:
10791 case BlackKingSideCastleWild:
10792 case BlackQueenSideCastleWild:
10794 case WhiteHSideCastleFR:
10795 case WhiteASideCastleFR:
10796 case BlackHSideCastleFR:
10797 case BlackASideCastleFR:
10799 if (appData.debugMode)
10800 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10801 fromX = currentMoveString[0] - AAA;
10802 fromY = currentMoveString[1] - ONE;
10803 toX = currentMoveString[2] - AAA;
10804 toY = currentMoveString[3] - ONE;
10805 promoChar = currentMoveString[4];
10810 if (appData.debugMode)
10811 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10812 fromX = moveType == WhiteDrop ?
10813 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10814 (int) CharToPiece(ToLower(currentMoveString[0]));
10816 toX = currentMoveString[2] - AAA;
10817 toY = currentMoveString[3] - ONE;
10823 case GameUnfinished:
10824 if (appData.debugMode)
10825 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10826 p = strchr(yy_text, '{');
10827 if (p == NULL) p = strchr(yy_text, '(');
10830 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10832 q = strchr(p, *p == '{' ? '}' : ')');
10833 if (q != NULL) *q = NULLCHAR;
10836 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10837 GameEnds(moveType, p, GE_FILE);
10839 if (cmailMsgLoaded) {
10841 flipView = WhiteOnMove(currentMove);
10842 if (moveType == GameUnfinished) flipView = !flipView;
10843 if (appData.debugMode)
10844 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10849 if (appData.debugMode)
10850 fprintf(debugFP, "Parser hit end of file\n");
10851 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10857 if (WhiteOnMove(currentMove)) {
10858 GameEnds(BlackWins, "Black mates", GE_FILE);
10860 GameEnds(WhiteWins, "White mates", GE_FILE);
10864 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10870 case MoveNumberOne:
10871 if (lastLoadGameStart == GNUChessGame) {
10872 /* GNUChessGames have numbers, but they aren't move numbers */
10873 if (appData.debugMode)
10874 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10875 yy_text, (int) moveType);
10876 return LoadGameOneMove(EndOfFile); /* tail recursion */
10878 /* else fall thru */
10883 /* Reached start of next game in file */
10884 if (appData.debugMode)
10885 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10886 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10892 if (WhiteOnMove(currentMove)) {
10893 GameEnds(BlackWins, "Black mates", GE_FILE);
10895 GameEnds(WhiteWins, "White mates", GE_FILE);
10899 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10905 case PositionDiagram: /* should not happen; ignore */
10906 case ElapsedTime: /* ignore */
10907 case NAG: /* ignore */
10908 if (appData.debugMode)
10909 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10910 yy_text, (int) moveType);
10911 return LoadGameOneMove(EndOfFile); /* tail recursion */
10914 if (appData.testLegality) {
10915 if (appData.debugMode)
10916 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10917 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10918 (forwardMostMove / 2) + 1,
10919 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10920 DisplayError(move, 0);
10923 if (appData.debugMode)
10924 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10925 yy_text, currentMoveString);
10926 fromX = currentMoveString[0] - AAA;
10927 fromY = currentMoveString[1] - ONE;
10928 toX = currentMoveString[2] - AAA;
10929 toY = currentMoveString[3] - ONE;
10930 promoChar = currentMoveString[4];
10934 case AmbiguousMove:
10935 if (appData.debugMode)
10936 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10937 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10938 (forwardMostMove / 2) + 1,
10939 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10940 DisplayError(move, 0);
10945 case ImpossibleMove:
10946 if (appData.debugMode)
10947 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10948 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10949 (forwardMostMove / 2) + 1,
10950 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10951 DisplayError(move, 0);
10957 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10958 DrawPosition(FALSE, boards[currentMove]);
10959 DisplayBothClocks();
10960 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10961 DisplayComment(currentMove - 1, commentList[currentMove]);
10963 (void) StopLoadGameTimer();
10965 cmailOldMove = forwardMostMove;
10968 /* currentMoveString is set as a side-effect of yylex */
10970 thinkOutput[0] = NULLCHAR;
10971 MakeMove(fromX, fromY, toX, toY, promoChar);
10972 currentMove = forwardMostMove;
10977 /* Load the nth game from the given file */
10979 LoadGameFromFile(filename, n, title, useList)
10983 /*Boolean*/ int useList;
10988 if (strcmp(filename, "-") == 0) {
10992 f = fopen(filename, "rb");
10994 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10995 DisplayError(buf, errno);
10999 if (fseek(f, 0, 0) == -1) {
11000 /* f is not seekable; probably a pipe */
11003 if (useList && n == 0) {
11004 int error = GameListBuild(f);
11006 DisplayError(_("Cannot build game list"), error);
11007 } else if (!ListEmpty(&gameList) &&
11008 ((ListGame *) gameList.tailPred)->number > 1) {
11009 GameListPopUp(f, title);
11016 return LoadGame(f, n, title, FALSE);
11021 MakeRegisteredMove()
11023 int fromX, fromY, toX, toY;
11025 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11026 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11029 if (appData.debugMode)
11030 fprintf(debugFP, "Restoring %s for game %d\n",
11031 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11033 thinkOutput[0] = NULLCHAR;
11034 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11035 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11036 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11037 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11038 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11039 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11040 MakeMove(fromX, fromY, toX, toY, promoChar);
11041 ShowMove(fromX, fromY, toX, toY);
11043 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11050 if (WhiteOnMove(currentMove)) {
11051 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11053 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11058 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11065 if (WhiteOnMove(currentMove)) {
11066 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11068 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11073 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11084 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11086 CmailLoadGame(f, gameNumber, title, useList)
11094 if (gameNumber > nCmailGames) {
11095 DisplayError(_("No more games in this message"), 0);
11098 if (f == lastLoadGameFP) {
11099 int offset = gameNumber - lastLoadGameNumber;
11101 cmailMsg[0] = NULLCHAR;
11102 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11103 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11104 nCmailMovesRegistered--;
11106 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11107 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11108 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11111 if (! RegisterMove()) return FALSE;
11115 retVal = LoadGame(f, gameNumber, title, useList);
11117 /* Make move registered during previous look at this game, if any */
11118 MakeRegisteredMove();
11120 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11121 commentList[currentMove]
11122 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11123 DisplayComment(currentMove - 1, commentList[currentMove]);
11129 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11134 int gameNumber = lastLoadGameNumber + offset;
11135 if (lastLoadGameFP == NULL) {
11136 DisplayError(_("No game has been loaded yet"), 0);
11139 if (gameNumber <= 0) {
11140 DisplayError(_("Can't back up any further"), 0);
11143 if (cmailMsgLoaded) {
11144 return CmailLoadGame(lastLoadGameFP, gameNumber,
11145 lastLoadGameTitle, lastLoadGameUseList);
11147 return LoadGame(lastLoadGameFP, gameNumber,
11148 lastLoadGameTitle, lastLoadGameUseList);
11152 int keys[EmptySquare+1];
11155 PositionMatches(Board b1, Board b2)
11158 switch(appData.searchMode) {
11159 case 1: return CompareWithRights(b1, b2);
11161 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11162 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11166 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11167 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11168 sum += keys[b1[r][f]] - keys[b2[r][f]];
11172 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11173 sum += keys[b1[r][f]] - keys[b2[r][f]];
11185 int pieceList[256], quickBoard[256];
11186 ChessSquare pieceType[256] = { EmptySquare };
11187 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11188 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11189 int soughtTotal, turn;
11190 Boolean epOK, flipSearch;
11193 unsigned char piece, to;
11196 #define DSIZE (250000)
11198 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11199 Move *moveDatabase = initialSpace;
11200 unsigned int movePtr, dataSize = DSIZE;
11202 int MakePieceList(Board board, int *counts)
11204 int r, f, n=Q_PROMO, total=0;
11205 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11206 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11207 int sq = f + (r<<4);
11208 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11209 quickBoard[sq] = ++n;
11211 pieceType[n] = board[r][f];
11212 counts[board[r][f]]++;
11213 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11214 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11218 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11222 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11224 int sq = fromX + (fromY<<4);
11225 int piece = quickBoard[sq];
11226 quickBoard[sq] = 0;
11227 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11228 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11229 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11230 moveDatabase[movePtr++].piece = Q_WCASTL;
11231 quickBoard[sq] = piece;
11232 piece = quickBoard[from]; quickBoard[from] = 0;
11233 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11235 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11236 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11237 moveDatabase[movePtr++].piece = Q_BCASTL;
11238 quickBoard[sq] = piece;
11239 piece = quickBoard[from]; quickBoard[from] = 0;
11240 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11242 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11243 quickBoard[(fromY<<4)+toX] = 0;
11244 moveDatabase[movePtr].piece = Q_EP;
11245 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11246 moveDatabase[movePtr].to = sq;
11248 if(promoPiece != pieceType[piece]) {
11249 moveDatabase[movePtr++].piece = Q_PROMO;
11250 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11252 moveDatabase[movePtr].piece = piece;
11253 quickBoard[sq] = piece;
11257 int PackGame(Board board)
11259 Move *newSpace = NULL;
11260 moveDatabase[movePtr].piece = 0; // terminate previous game
11261 if(movePtr > dataSize) {
11262 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11263 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11264 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11267 Move *p = moveDatabase, *q = newSpace;
11268 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11269 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11270 moveDatabase = newSpace;
11271 } else { // calloc failed, we must be out of memory. Too bad...
11272 dataSize = 0; // prevent calloc events for all subsequent games
11273 return 0; // and signal this one isn't cached
11277 MakePieceList(board, counts);
11281 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11282 { // compare according to search mode
11284 switch(appData.searchMode)
11286 case 1: // exact position match
11287 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11288 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11289 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11292 case 2: // can have extra material on empty squares
11293 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11294 if(board[r][f] == EmptySquare) continue;
11295 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11298 case 3: // material with exact Pawn structure
11299 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11300 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11301 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11302 } // fall through to material comparison
11303 case 4: // exact material
11304 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11306 case 6: // material range with given imbalance
11307 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11308 // fall through to range comparison
11309 case 5: // material range
11310 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11315 int QuickScan(Board board, Move *move)
11316 { // reconstruct game,and compare all positions in it
11317 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11319 int piece = move->piece;
11320 int to = move->to, from = pieceList[piece];
11321 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11322 if(!piece) return -1;
11323 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11324 piece = (++move)->piece;
11325 from = pieceList[piece];
11326 counts[pieceType[piece]]--;
11327 pieceType[piece] = (ChessSquare) move->to;
11328 counts[move->to]++;
11329 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11330 counts[pieceType[quickBoard[to]]]--;
11331 quickBoard[to] = 0; total--;
11334 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11335 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11336 from = pieceList[piece]; // so this must be King
11337 quickBoard[from] = 0;
11338 quickBoard[to] = piece;
11339 pieceList[piece] = to;
11344 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11345 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11346 quickBoard[from] = 0;
11347 quickBoard[to] = piece;
11348 pieceList[piece] = to;
11350 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11351 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11352 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11353 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11355 static int lastCounts[EmptySquare+1];
11357 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11358 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11359 } else stretch = 0;
11360 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11368 flipSearch = FALSE;
11369 CopyBoard(soughtBoard, boards[currentMove]);
11370 soughtTotal = MakePieceList(soughtBoard, maxSought);
11371 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11372 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11373 CopyBoard(reverseBoard, boards[currentMove]);
11374 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11375 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11376 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11377 reverseBoard[r][f] = piece;
11379 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11380 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11381 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11382 || (boards[currentMove][CASTLING][2] == NoRights ||
11383 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11384 && (boards[currentMove][CASTLING][5] == NoRights ||
11385 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11388 CopyBoard(flipBoard, soughtBoard);
11389 CopyBoard(rotateBoard, reverseBoard);
11390 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11391 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11392 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11395 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11396 if(appData.searchMode >= 5) {
11397 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11398 MakePieceList(soughtBoard, minSought);
11399 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11401 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11402 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11405 GameInfo dummyInfo;
11407 int GameContainsPosition(FILE *f, ListGame *lg)
11409 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11410 int fromX, fromY, toX, toY;
11412 static int initDone=FALSE;
11414 // weed out games based on numerical tag comparison
11415 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11416 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11417 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11418 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11420 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11423 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11424 else CopyBoard(boards[scratch], initialPosition); // default start position
11427 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11428 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11431 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11432 fseek(f, lg->offset, 0);
11435 yyboardindex = scratch;
11436 quickFlag = plyNr+1;
11441 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11447 if(plyNr) return -1; // after we have seen moves, this is for new game
11450 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11451 case ImpossibleMove:
11452 case WhiteWins: // game ends here with these four
11455 case GameUnfinished:
11459 if(appData.testLegality) return -1;
11460 case WhiteCapturesEnPassant:
11461 case BlackCapturesEnPassant:
11462 case WhitePromotion:
11463 case BlackPromotion:
11464 case WhiteNonPromotion:
11465 case BlackNonPromotion:
11467 case WhiteKingSideCastle:
11468 case WhiteQueenSideCastle:
11469 case BlackKingSideCastle:
11470 case BlackQueenSideCastle:
11471 case WhiteKingSideCastleWild:
11472 case WhiteQueenSideCastleWild:
11473 case BlackKingSideCastleWild:
11474 case BlackQueenSideCastleWild:
11475 case WhiteHSideCastleFR:
11476 case WhiteASideCastleFR:
11477 case BlackHSideCastleFR:
11478 case BlackASideCastleFR:
11479 fromX = currentMoveString[0] - AAA;
11480 fromY = currentMoveString[1] - ONE;
11481 toX = currentMoveString[2] - AAA;
11482 toY = currentMoveString[3] - ONE;
11483 promoChar = currentMoveString[4];
11487 fromX = next == WhiteDrop ?
11488 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11489 (int) CharToPiece(ToLower(currentMoveString[0]));
11491 toX = currentMoveString[2] - AAA;
11492 toY = currentMoveString[3] - ONE;
11496 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11498 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11499 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11500 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11501 if(appData.findMirror) {
11502 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11503 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11508 /* Load the nth game from open file f */
11510 LoadGame(f, gameNumber, title, useList)
11518 int gn = gameNumber;
11519 ListGame *lg = NULL;
11520 int numPGNTags = 0;
11522 GameMode oldGameMode;
11523 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11525 if (appData.debugMode)
11526 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11528 if (gameMode == Training )
11529 SetTrainingModeOff();
11531 oldGameMode = gameMode;
11532 if (gameMode != BeginningOfGame) {
11533 Reset(FALSE, TRUE);
11537 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11538 fclose(lastLoadGameFP);
11542 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11545 fseek(f, lg->offset, 0);
11546 GameListHighlight(gameNumber);
11547 pos = lg->position;
11551 DisplayError(_("Game number out of range"), 0);
11556 if (fseek(f, 0, 0) == -1) {
11557 if (f == lastLoadGameFP ?
11558 gameNumber == lastLoadGameNumber + 1 :
11562 DisplayError(_("Can't seek on game file"), 0);
11567 lastLoadGameFP = f;
11568 lastLoadGameNumber = gameNumber;
11569 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11570 lastLoadGameUseList = useList;
11574 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11575 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11576 lg->gameInfo.black);
11578 } else if (*title != NULLCHAR) {
11579 if (gameNumber > 1) {
11580 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11583 DisplayTitle(title);
11587 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11588 gameMode = PlayFromGameFile;
11592 currentMove = forwardMostMove = backwardMostMove = 0;
11593 CopyBoard(boards[0], initialPosition);
11597 * Skip the first gn-1 games in the file.
11598 * Also skip over anything that precedes an identifiable
11599 * start of game marker, to avoid being confused by
11600 * garbage at the start of the file. Currently
11601 * recognized start of game markers are the move number "1",
11602 * the pattern "gnuchess .* game", the pattern
11603 * "^[#;%] [^ ]* game file", and a PGN tag block.
11604 * A game that starts with one of the latter two patterns
11605 * will also have a move number 1, possibly
11606 * following a position diagram.
11607 * 5-4-02: Let's try being more lenient and allowing a game to
11608 * start with an unnumbered move. Does that break anything?
11610 cm = lastLoadGameStart = EndOfFile;
11612 yyboardindex = forwardMostMove;
11613 cm = (ChessMove) Myylex();
11616 if (cmailMsgLoaded) {
11617 nCmailGames = CMAIL_MAX_GAMES - gn;
11620 DisplayError(_("Game not found in file"), 0);
11627 lastLoadGameStart = cm;
11630 case MoveNumberOne:
11631 switch (lastLoadGameStart) {
11636 case MoveNumberOne:
11638 gn--; /* count this game */
11639 lastLoadGameStart = cm;
11648 switch (lastLoadGameStart) {
11651 case MoveNumberOne:
11653 gn--; /* count this game */
11654 lastLoadGameStart = cm;
11657 lastLoadGameStart = cm; /* game counted already */
11665 yyboardindex = forwardMostMove;
11666 cm = (ChessMove) Myylex();
11667 } while (cm == PGNTag || cm == Comment);
11674 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11675 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11676 != CMAIL_OLD_RESULT) {
11678 cmailResult[ CMAIL_MAX_GAMES
11679 - gn - 1] = CMAIL_OLD_RESULT;
11685 /* Only a NormalMove can be at the start of a game
11686 * without a position diagram. */
11687 if (lastLoadGameStart == EndOfFile ) {
11689 lastLoadGameStart = MoveNumberOne;
11698 if (appData.debugMode)
11699 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11701 if (cm == XBoardGame) {
11702 /* Skip any header junk before position diagram and/or move 1 */
11704 yyboardindex = forwardMostMove;
11705 cm = (ChessMove) Myylex();
11707 if (cm == EndOfFile ||
11708 cm == GNUChessGame || cm == XBoardGame) {
11709 /* Empty game; pretend end-of-file and handle later */
11714 if (cm == MoveNumberOne || cm == PositionDiagram ||
11715 cm == PGNTag || cm == Comment)
11718 } else if (cm == GNUChessGame) {
11719 if (gameInfo.event != NULL) {
11720 free(gameInfo.event);
11722 gameInfo.event = StrSave(yy_text);
11725 startedFromSetupPosition = FALSE;
11726 while (cm == PGNTag) {
11727 if (appData.debugMode)
11728 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11729 err = ParsePGNTag(yy_text, &gameInfo);
11730 if (!err) numPGNTags++;
11732 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11733 if(gameInfo.variant != oldVariant) {
11734 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11735 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11736 InitPosition(TRUE);
11737 oldVariant = gameInfo.variant;
11738 if (appData.debugMode)
11739 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11743 if (gameInfo.fen != NULL) {
11744 Board initial_position;
11745 startedFromSetupPosition = TRUE;
11746 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11748 DisplayError(_("Bad FEN position in file"), 0);
11751 CopyBoard(boards[0], initial_position);
11752 if (blackPlaysFirst) {
11753 currentMove = forwardMostMove = backwardMostMove = 1;
11754 CopyBoard(boards[1], initial_position);
11755 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11756 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11757 timeRemaining[0][1] = whiteTimeRemaining;
11758 timeRemaining[1][1] = blackTimeRemaining;
11759 if (commentList[0] != NULL) {
11760 commentList[1] = commentList[0];
11761 commentList[0] = NULL;
11764 currentMove = forwardMostMove = backwardMostMove = 0;
11766 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11768 initialRulePlies = FENrulePlies;
11769 for( i=0; i< nrCastlingRights; i++ )
11770 initialRights[i] = initial_position[CASTLING][i];
11772 yyboardindex = forwardMostMove;
11773 free(gameInfo.fen);
11774 gameInfo.fen = NULL;
11777 yyboardindex = forwardMostMove;
11778 cm = (ChessMove) Myylex();
11780 /* Handle comments interspersed among the tags */
11781 while (cm == Comment) {
11783 if (appData.debugMode)
11784 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11786 AppendComment(currentMove, p, FALSE);
11787 yyboardindex = forwardMostMove;
11788 cm = (ChessMove) Myylex();
11792 /* don't rely on existence of Event tag since if game was
11793 * pasted from clipboard the Event tag may not exist
11795 if (numPGNTags > 0){
11797 if (gameInfo.variant == VariantNormal) {
11798 VariantClass v = StringToVariant(gameInfo.event);
11799 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11800 if(v < VariantShogi) gameInfo.variant = v;
11803 if( appData.autoDisplayTags ) {
11804 tags = PGNTags(&gameInfo);
11805 TagsPopUp(tags, CmailMsg());
11810 /* Make something up, but don't display it now */
11815 if (cm == PositionDiagram) {
11818 Board initial_position;
11820 if (appData.debugMode)
11821 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11823 if (!startedFromSetupPosition) {
11825 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11826 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11837 initial_position[i][j++] = CharToPiece(*p);
11840 while (*p == ' ' || *p == '\t' ||
11841 *p == '\n' || *p == '\r') p++;
11843 if (strncmp(p, "black", strlen("black"))==0)
11844 blackPlaysFirst = TRUE;
11846 blackPlaysFirst = FALSE;
11847 startedFromSetupPosition = TRUE;
11849 CopyBoard(boards[0], initial_position);
11850 if (blackPlaysFirst) {
11851 currentMove = forwardMostMove = backwardMostMove = 1;
11852 CopyBoard(boards[1], initial_position);
11853 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11854 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11855 timeRemaining[0][1] = whiteTimeRemaining;
11856 timeRemaining[1][1] = blackTimeRemaining;
11857 if (commentList[0] != NULL) {
11858 commentList[1] = commentList[0];
11859 commentList[0] = NULL;
11862 currentMove = forwardMostMove = backwardMostMove = 0;
11865 yyboardindex = forwardMostMove;
11866 cm = (ChessMove) Myylex();
11869 if (first.pr == NoProc) {
11870 StartChessProgram(&first);
11872 InitChessProgram(&first, FALSE);
11873 SendToProgram("force\n", &first);
11874 if (startedFromSetupPosition) {
11875 SendBoard(&first, forwardMostMove);
11876 if (appData.debugMode) {
11877 fprintf(debugFP, "Load Game\n");
11879 DisplayBothClocks();
11882 /* [HGM] server: flag to write setup moves in broadcast file as one */
11883 loadFlag = appData.suppressLoadMoves;
11885 while (cm == Comment) {
11887 if (appData.debugMode)
11888 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11890 AppendComment(currentMove, p, FALSE);
11891 yyboardindex = forwardMostMove;
11892 cm = (ChessMove) Myylex();
11895 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11896 cm == WhiteWins || cm == BlackWins ||
11897 cm == GameIsDrawn || cm == GameUnfinished) {
11898 DisplayMessage("", _("No moves in game"));
11899 if (cmailMsgLoaded) {
11900 if (appData.debugMode)
11901 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11905 DrawPosition(FALSE, boards[currentMove]);
11906 DisplayBothClocks();
11907 gameMode = EditGame;
11914 // [HGM] PV info: routine tests if comment empty
11915 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11916 DisplayComment(currentMove - 1, commentList[currentMove]);
11918 if (!matchMode && appData.timeDelay != 0)
11919 DrawPosition(FALSE, boards[currentMove]);
11921 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11922 programStats.ok_to_send = 1;
11925 /* if the first token after the PGN tags is a move
11926 * and not move number 1, retrieve it from the parser
11928 if (cm != MoveNumberOne)
11929 LoadGameOneMove(cm);
11931 /* load the remaining moves from the file */
11932 while (LoadGameOneMove(EndOfFile)) {
11933 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11934 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11937 /* rewind to the start of the game */
11938 currentMove = backwardMostMove;
11940 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11942 if (oldGameMode == AnalyzeFile ||
11943 oldGameMode == AnalyzeMode) {
11944 AnalyzeFileEvent();
11947 if (!matchMode && pos >= 0) {
11948 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11950 if (matchMode || appData.timeDelay == 0) {
11952 } else if (appData.timeDelay > 0) {
11953 AutoPlayGameLoop();
11956 if (appData.debugMode)
11957 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11959 loadFlag = 0; /* [HGM] true game starts */
11963 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11965 ReloadPosition(offset)
11968 int positionNumber = lastLoadPositionNumber + offset;
11969 if (lastLoadPositionFP == NULL) {
11970 DisplayError(_("No position has been loaded yet"), 0);
11973 if (positionNumber <= 0) {
11974 DisplayError(_("Can't back up any further"), 0);
11977 return LoadPosition(lastLoadPositionFP, positionNumber,
11978 lastLoadPositionTitle);
11981 /* Load the nth position from the given file */
11983 LoadPositionFromFile(filename, n, title)
11991 if (strcmp(filename, "-") == 0) {
11992 return LoadPosition(stdin, n, "stdin");
11994 f = fopen(filename, "rb");
11996 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11997 DisplayError(buf, errno);
12000 return LoadPosition(f, n, title);
12005 /* Load the nth position from the given open file, and close it */
12007 LoadPosition(f, positionNumber, title)
12009 int positionNumber;
12012 char *p, line[MSG_SIZ];
12013 Board initial_position;
12014 int i, j, fenMode, pn;
12016 if (gameMode == Training )
12017 SetTrainingModeOff();
12019 if (gameMode != BeginningOfGame) {
12020 Reset(FALSE, TRUE);
12022 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12023 fclose(lastLoadPositionFP);
12025 if (positionNumber == 0) positionNumber = 1;
12026 lastLoadPositionFP = f;
12027 lastLoadPositionNumber = positionNumber;
12028 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12029 if (first.pr == NoProc && !appData.noChessProgram) {
12030 StartChessProgram(&first);
12031 InitChessProgram(&first, FALSE);
12033 pn = positionNumber;
12034 if (positionNumber < 0) {
12035 /* Negative position number means to seek to that byte offset */
12036 if (fseek(f, -positionNumber, 0) == -1) {
12037 DisplayError(_("Can't seek on position file"), 0);
12042 if (fseek(f, 0, 0) == -1) {
12043 if (f == lastLoadPositionFP ?
12044 positionNumber == lastLoadPositionNumber + 1 :
12045 positionNumber == 1) {
12048 DisplayError(_("Can't seek on position file"), 0);
12053 /* See if this file is FEN or old-style xboard */
12054 if (fgets(line, MSG_SIZ, f) == NULL) {
12055 DisplayError(_("Position not found in file"), 0);
12058 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12059 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12062 if (fenMode || line[0] == '#') pn--;
12064 /* skip positions before number pn */
12065 if (fgets(line, MSG_SIZ, f) == NULL) {
12067 DisplayError(_("Position not found in file"), 0);
12070 if (fenMode || line[0] == '#') pn--;
12075 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12076 DisplayError(_("Bad FEN position in file"), 0);
12080 (void) fgets(line, MSG_SIZ, f);
12081 (void) fgets(line, MSG_SIZ, f);
12083 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12084 (void) fgets(line, MSG_SIZ, f);
12085 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12088 initial_position[i][j++] = CharToPiece(*p);
12092 blackPlaysFirst = FALSE;
12094 (void) fgets(line, MSG_SIZ, f);
12095 if (strncmp(line, "black", strlen("black"))==0)
12096 blackPlaysFirst = TRUE;
12099 startedFromSetupPosition = TRUE;
12101 CopyBoard(boards[0], initial_position);
12102 if (blackPlaysFirst) {
12103 currentMove = forwardMostMove = backwardMostMove = 1;
12104 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12105 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12106 CopyBoard(boards[1], initial_position);
12107 DisplayMessage("", _("Black to play"));
12109 currentMove = forwardMostMove = backwardMostMove = 0;
12110 DisplayMessage("", _("White to play"));
12112 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12113 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12114 SendToProgram("force\n", &first);
12115 SendBoard(&first, forwardMostMove);
12117 if (appData.debugMode) {
12119 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12120 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12121 fprintf(debugFP, "Load Position\n");
12124 if (positionNumber > 1) {
12125 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12126 DisplayTitle(line);
12128 DisplayTitle(title);
12130 gameMode = EditGame;
12133 timeRemaining[0][1] = whiteTimeRemaining;
12134 timeRemaining[1][1] = blackTimeRemaining;
12135 DrawPosition(FALSE, boards[currentMove]);
12142 CopyPlayerNameIntoFileName(dest, src)
12145 while (*src != NULLCHAR && *src != ',') {
12150 *(*dest)++ = *src++;
12155 char *DefaultFileName(ext)
12158 static char def[MSG_SIZ];
12161 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12163 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12165 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12167 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12174 /* Save the current game to the given file */
12176 SaveGameToFile(filename, append)
12182 int result, i, t,tot=0;
12184 if (strcmp(filename, "-") == 0) {
12185 return SaveGame(stdout, 0, NULL);
12187 for(i=0; i<10; i++) { // upto 10 tries
12188 f = fopen(filename, append ? "a" : "w");
12189 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12190 if(f || errno != 13) break;
12191 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12195 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12196 DisplayError(buf, errno);
12199 safeStrCpy(buf, lastMsg, MSG_SIZ);
12200 DisplayMessage(_("Waiting for access to save file"), "");
12201 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12202 DisplayMessage(_("Saving game"), "");
12203 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
12204 result = SaveGame(f, 0, NULL);
12205 DisplayMessage(buf, "");
12215 static char buf[MSG_SIZ];
12218 p = strchr(str, ' ');
12219 if (p == NULL) return str;
12220 strncpy(buf, str, p - str);
12221 buf[p - str] = NULLCHAR;
12225 #define PGN_MAX_LINE 75
12227 #define PGN_SIDE_WHITE 0
12228 #define PGN_SIDE_BLACK 1
12231 static int FindFirstMoveOutOfBook( int side )
12235 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12236 int index = backwardMostMove;
12237 int has_book_hit = 0;
12239 if( (index % 2) != side ) {
12243 while( index < forwardMostMove ) {
12244 /* Check to see if engine is in book */
12245 int depth = pvInfoList[index].depth;
12246 int score = pvInfoList[index].score;
12252 else if( score == 0 && depth == 63 ) {
12253 in_book = 1; /* Zappa */
12255 else if( score == 2 && depth == 99 ) {
12256 in_book = 1; /* Abrok */
12259 has_book_hit += in_book;
12275 void GetOutOfBookInfo( char * buf )
12279 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12281 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12282 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12286 if( oob[0] >= 0 || oob[1] >= 0 ) {
12287 for( i=0; i<2; i++ ) {
12291 if( i > 0 && oob[0] >= 0 ) {
12292 strcat( buf, " " );
12295 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12296 sprintf( buf+strlen(buf), "%s%.2f",
12297 pvInfoList[idx].score >= 0 ? "+" : "",
12298 pvInfoList[idx].score / 100.0 );
12304 /* Save game in PGN style and close the file */
12309 int i, offset, linelen, newblock;
12313 int movelen, numlen, blank;
12314 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12316 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12318 tm = time((time_t *) NULL);
12320 PrintPGNTags(f, &gameInfo);
12322 if (backwardMostMove > 0 || startedFromSetupPosition) {
12323 char *fen = PositionToFEN(backwardMostMove, NULL);
12324 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12325 fprintf(f, "\n{--------------\n");
12326 PrintPosition(f, backwardMostMove);
12327 fprintf(f, "--------------}\n");
12331 /* [AS] Out of book annotation */
12332 if( appData.saveOutOfBookInfo ) {
12335 GetOutOfBookInfo( buf );
12337 if( buf[0] != '\0' ) {
12338 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12345 i = backwardMostMove;
12349 while (i < forwardMostMove) {
12350 /* Print comments preceding this move */
12351 if (commentList[i] != NULL) {
12352 if (linelen > 0) fprintf(f, "\n");
12353 fprintf(f, "%s", commentList[i]);
12358 /* Format move number */
12360 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12363 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12365 numtext[0] = NULLCHAR;
12367 numlen = strlen(numtext);
12370 /* Print move number */
12371 blank = linelen > 0 && numlen > 0;
12372 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12381 fprintf(f, "%s", numtext);
12385 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12386 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12389 blank = linelen > 0 && movelen > 0;
12390 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12399 fprintf(f, "%s", move_buffer);
12400 linelen += movelen;
12402 /* [AS] Add PV info if present */
12403 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12404 /* [HGM] add time */
12405 char buf[MSG_SIZ]; int seconds;
12407 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12413 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12416 seconds = (seconds + 4)/10; // round to full seconds
12418 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12420 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12423 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12424 pvInfoList[i].score >= 0 ? "+" : "",
12425 pvInfoList[i].score / 100.0,
12426 pvInfoList[i].depth,
12429 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12431 /* Print score/depth */
12432 blank = linelen > 0 && movelen > 0;
12433 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12442 fprintf(f, "%s", move_buffer);
12443 linelen += movelen;
12449 /* Start a new line */
12450 if (linelen > 0) fprintf(f, "\n");
12452 /* Print comments after last move */
12453 if (commentList[i] != NULL) {
12454 fprintf(f, "%s\n", commentList[i]);
12458 if (gameInfo.resultDetails != NULL &&
12459 gameInfo.resultDetails[0] != NULLCHAR) {
12460 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12461 PGNResult(gameInfo.result));
12463 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12467 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12471 /* Save game in old style and close the file */
12473 SaveGameOldStyle(f)
12479 tm = time((time_t *) NULL);
12481 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12484 if (backwardMostMove > 0 || startedFromSetupPosition) {
12485 fprintf(f, "\n[--------------\n");
12486 PrintPosition(f, backwardMostMove);
12487 fprintf(f, "--------------]\n");
12492 i = backwardMostMove;
12493 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12495 while (i < forwardMostMove) {
12496 if (commentList[i] != NULL) {
12497 fprintf(f, "[%s]\n", commentList[i]);
12500 if ((i % 2) == 1) {
12501 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12504 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12506 if (commentList[i] != NULL) {
12510 if (i >= forwardMostMove) {
12514 fprintf(f, "%s\n", parseList[i]);
12519 if (commentList[i] != NULL) {
12520 fprintf(f, "[%s]\n", commentList[i]);
12523 /* This isn't really the old style, but it's close enough */
12524 if (gameInfo.resultDetails != NULL &&
12525 gameInfo.resultDetails[0] != NULLCHAR) {
12526 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12527 gameInfo.resultDetails);
12529 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12536 /* Save the current game to open file f and close the file */
12538 SaveGame(f, dummy, dummy2)
12543 if (gameMode == EditPosition) EditPositionDone(TRUE);
12544 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12545 if (appData.oldSaveStyle)
12546 return SaveGameOldStyle(f);
12548 return SaveGamePGN(f);
12551 /* Save the current position to the given file */
12553 SavePositionToFile(filename)
12559 if (strcmp(filename, "-") == 0) {
12560 return SavePosition(stdout, 0, NULL);
12562 f = fopen(filename, "a");
12564 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12565 DisplayError(buf, errno);
12568 safeStrCpy(buf, lastMsg, MSG_SIZ);
12569 DisplayMessage(_("Waiting for access to save file"), "");
12570 flock(fileno(f), LOCK_EX); // [HGM] lock
12571 DisplayMessage(_("Saving position"), "");
12572 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12573 SavePosition(f, 0, NULL);
12574 DisplayMessage(buf, "");
12580 /* Save the current position to the given open file and close the file */
12582 SavePosition(f, dummy, dummy2)
12590 if (gameMode == EditPosition) EditPositionDone(TRUE);
12591 if (appData.oldSaveStyle) {
12592 tm = time((time_t *) NULL);
12594 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12596 fprintf(f, "[--------------\n");
12597 PrintPosition(f, currentMove);
12598 fprintf(f, "--------------]\n");
12600 fen = PositionToFEN(currentMove, NULL);
12601 fprintf(f, "%s\n", fen);
12609 ReloadCmailMsgEvent(unregister)
12613 static char *inFilename = NULL;
12614 static char *outFilename;
12616 struct stat inbuf, outbuf;
12619 /* Any registered moves are unregistered if unregister is set, */
12620 /* i.e. invoked by the signal handler */
12622 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12623 cmailMoveRegistered[i] = FALSE;
12624 if (cmailCommentList[i] != NULL) {
12625 free(cmailCommentList[i]);
12626 cmailCommentList[i] = NULL;
12629 nCmailMovesRegistered = 0;
12632 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12633 cmailResult[i] = CMAIL_NOT_RESULT;
12637 if (inFilename == NULL) {
12638 /* Because the filenames are static they only get malloced once */
12639 /* and they never get freed */
12640 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12641 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12643 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12644 sprintf(outFilename, "%s.out", appData.cmailGameName);
12647 status = stat(outFilename, &outbuf);
12649 cmailMailedMove = FALSE;
12651 status = stat(inFilename, &inbuf);
12652 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12655 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12656 counts the games, notes how each one terminated, etc.
12658 It would be nice to remove this kludge and instead gather all
12659 the information while building the game list. (And to keep it
12660 in the game list nodes instead of having a bunch of fixed-size
12661 parallel arrays.) Note this will require getting each game's
12662 termination from the PGN tags, as the game list builder does
12663 not process the game moves. --mann
12665 cmailMsgLoaded = TRUE;
12666 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12668 /* Load first game in the file or popup game menu */
12669 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12671 #endif /* !WIN32 */
12679 char string[MSG_SIZ];
12681 if ( cmailMailedMove
12682 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12683 return TRUE; /* Allow free viewing */
12686 /* Unregister move to ensure that we don't leave RegisterMove */
12687 /* with the move registered when the conditions for registering no */
12689 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12690 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12691 nCmailMovesRegistered --;
12693 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12695 free(cmailCommentList[lastLoadGameNumber - 1]);
12696 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12700 if (cmailOldMove == -1) {
12701 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12705 if (currentMove > cmailOldMove + 1) {
12706 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12710 if (currentMove < cmailOldMove) {
12711 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12715 if (forwardMostMove > currentMove) {
12716 /* Silently truncate extra moves */
12720 if ( (currentMove == cmailOldMove + 1)
12721 || ( (currentMove == cmailOldMove)
12722 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12723 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12724 if (gameInfo.result != GameUnfinished) {
12725 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12728 if (commentList[currentMove] != NULL) {
12729 cmailCommentList[lastLoadGameNumber - 1]
12730 = StrSave(commentList[currentMove]);
12732 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12734 if (appData.debugMode)
12735 fprintf(debugFP, "Saving %s for game %d\n",
12736 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12738 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12740 f = fopen(string, "w");
12741 if (appData.oldSaveStyle) {
12742 SaveGameOldStyle(f); /* also closes the file */
12744 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12745 f = fopen(string, "w");
12746 SavePosition(f, 0, NULL); /* also closes the file */
12748 fprintf(f, "{--------------\n");
12749 PrintPosition(f, currentMove);
12750 fprintf(f, "--------------}\n\n");
12752 SaveGame(f, 0, NULL); /* also closes the file*/
12755 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12756 nCmailMovesRegistered ++;
12757 } else if (nCmailGames == 1) {
12758 DisplayError(_("You have not made a move yet"), 0);
12769 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12770 FILE *commandOutput;
12771 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12772 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12778 if (! cmailMsgLoaded) {
12779 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12783 if (nCmailGames == nCmailResults) {
12784 DisplayError(_("No unfinished games"), 0);
12788 #if CMAIL_PROHIBIT_REMAIL
12789 if (cmailMailedMove) {
12790 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);
12791 DisplayError(msg, 0);
12796 if (! (cmailMailedMove || RegisterMove())) return;
12798 if ( cmailMailedMove
12799 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12800 snprintf(string, MSG_SIZ, partCommandString,
12801 appData.debugMode ? " -v" : "", appData.cmailGameName);
12802 commandOutput = popen(string, "r");
12804 if (commandOutput == NULL) {
12805 DisplayError(_("Failed to invoke cmail"), 0);
12807 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12808 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12810 if (nBuffers > 1) {
12811 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12812 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12813 nBytes = MSG_SIZ - 1;
12815 (void) memcpy(msg, buffer, nBytes);
12817 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12819 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12820 cmailMailedMove = TRUE; /* Prevent >1 moves */
12823 for (i = 0; i < nCmailGames; i ++) {
12824 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12829 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12831 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12833 appData.cmailGameName,
12835 LoadGameFromFile(buffer, 1, buffer, FALSE);
12836 cmailMsgLoaded = FALSE;
12840 DisplayInformation(msg);
12841 pclose(commandOutput);
12844 if ((*cmailMsg) != '\0') {
12845 DisplayInformation(cmailMsg);
12850 #endif /* !WIN32 */
12859 int prependComma = 0;
12861 char string[MSG_SIZ]; /* Space for game-list */
12864 if (!cmailMsgLoaded) return "";
12866 if (cmailMailedMove) {
12867 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12869 /* Create a list of games left */
12870 snprintf(string, MSG_SIZ, "[");
12871 for (i = 0; i < nCmailGames; i ++) {
12872 if (! ( cmailMoveRegistered[i]
12873 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12874 if (prependComma) {
12875 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12877 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12881 strcat(string, number);
12884 strcat(string, "]");
12886 if (nCmailMovesRegistered + nCmailResults == 0) {
12887 switch (nCmailGames) {
12889 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12893 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12897 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12902 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12904 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12909 if (nCmailResults == nCmailGames) {
12910 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12912 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12917 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12929 if (gameMode == Training)
12930 SetTrainingModeOff();
12933 cmailMsgLoaded = FALSE;
12934 if (appData.icsActive) {
12935 SendToICS(ics_prefix);
12936 SendToICS("refresh\n");
12946 /* Give up on clean exit */
12950 /* Keep trying for clean exit */
12954 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12956 if (telnetISR != NULL) {
12957 RemoveInputSource(telnetISR);
12959 if (icsPR != NoProc) {
12960 DestroyChildProcess(icsPR, TRUE);
12963 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12964 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12966 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12967 /* make sure this other one finishes before killing it! */
12968 if(endingGame) { int count = 0;
12969 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12970 while(endingGame && count++ < 10) DoSleep(1);
12971 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12974 /* Kill off chess programs */
12975 if (first.pr != NoProc) {
12978 DoSleep( appData.delayBeforeQuit );
12979 SendToProgram("quit\n", &first);
12980 DoSleep( appData.delayAfterQuit );
12981 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12983 if (second.pr != NoProc) {
12984 DoSleep( appData.delayBeforeQuit );
12985 SendToProgram("quit\n", &second);
12986 DoSleep( appData.delayAfterQuit );
12987 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12989 if (first.isr != NULL) {
12990 RemoveInputSource(first.isr);
12992 if (second.isr != NULL) {
12993 RemoveInputSource(second.isr);
12996 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12997 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12999 ShutDownFrontEnd();
13006 if (appData.debugMode)
13007 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13011 if (gameMode == MachinePlaysWhite ||
13012 gameMode == MachinePlaysBlack) {
13015 DisplayBothClocks();
13017 if (gameMode == PlayFromGameFile) {
13018 if (appData.timeDelay >= 0)
13019 AutoPlayGameLoop();
13020 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13021 Reset(FALSE, TRUE);
13022 SendToICS(ics_prefix);
13023 SendToICS("refresh\n");
13024 } else if (currentMove < forwardMostMove) {
13025 ForwardInner(forwardMostMove);
13027 pauseExamInvalid = FALSE;
13029 switch (gameMode) {
13033 pauseExamForwardMostMove = forwardMostMove;
13034 pauseExamInvalid = FALSE;
13037 case IcsPlayingWhite:
13038 case IcsPlayingBlack:
13042 case PlayFromGameFile:
13043 (void) StopLoadGameTimer();
13047 case BeginningOfGame:
13048 if (appData.icsActive) return;
13049 /* else fall through */
13050 case MachinePlaysWhite:
13051 case MachinePlaysBlack:
13052 case TwoMachinesPlay:
13053 if (forwardMostMove == 0)
13054 return; /* don't pause if no one has moved */
13055 if ((gameMode == MachinePlaysWhite &&
13056 !WhiteOnMove(forwardMostMove)) ||
13057 (gameMode == MachinePlaysBlack &&
13058 WhiteOnMove(forwardMostMove))) {
13071 char title[MSG_SIZ];
13073 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13074 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13076 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13077 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13078 parseList[currentMove - 1]);
13081 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13088 char *tags = PGNTags(&gameInfo);
13090 EditTagsPopUp(tags, NULL);
13097 if (appData.noChessProgram || gameMode == AnalyzeMode)
13100 if (gameMode != AnalyzeFile) {
13101 if (!appData.icsEngineAnalyze) {
13103 if (gameMode != EditGame) return;
13105 ResurrectChessProgram();
13106 SendToProgram("analyze\n", &first);
13107 first.analyzing = TRUE;
13108 /*first.maybeThinking = TRUE;*/
13109 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13110 EngineOutputPopUp();
13112 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13117 StartAnalysisClock();
13118 GetTimeMark(&lastNodeCountTime);
13125 if (appData.noChessProgram || gameMode == AnalyzeFile)
13128 if (gameMode != AnalyzeMode) {
13130 if (gameMode != EditGame) return;
13131 ResurrectChessProgram();
13132 SendToProgram("analyze\n", &first);
13133 first.analyzing = TRUE;
13134 /*first.maybeThinking = TRUE;*/
13135 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13136 EngineOutputPopUp();
13138 gameMode = AnalyzeFile;
13143 StartAnalysisClock();
13144 GetTimeMark(&lastNodeCountTime);
13146 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13150 MachineWhiteEvent()
13153 char *bookHit = NULL;
13155 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13159 if (gameMode == PlayFromGameFile ||
13160 gameMode == TwoMachinesPlay ||
13161 gameMode == Training ||
13162 gameMode == AnalyzeMode ||
13163 gameMode == EndOfGame)
13166 if (gameMode == EditPosition)
13167 EditPositionDone(TRUE);
13169 if (!WhiteOnMove(currentMove)) {
13170 DisplayError(_("It is not White's turn"), 0);
13174 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13177 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13178 gameMode == AnalyzeFile)
13181 ResurrectChessProgram(); /* in case it isn't running */
13182 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13183 gameMode = MachinePlaysWhite;
13186 gameMode = MachinePlaysWhite;
13190 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13192 if (first.sendName) {
13193 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13194 SendToProgram(buf, &first);
13196 if (first.sendTime) {
13197 if (first.useColors) {
13198 SendToProgram("black\n", &first); /*gnu kludge*/
13200 SendTimeRemaining(&first, TRUE);
13202 if (first.useColors) {
13203 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13205 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13206 SetMachineThinkingEnables();
13207 first.maybeThinking = TRUE;
13211 if (appData.autoFlipView && !flipView) {
13212 flipView = !flipView;
13213 DrawPosition(FALSE, NULL);
13214 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13217 if(bookHit) { // [HGM] book: simulate book reply
13218 static char bookMove[MSG_SIZ]; // a bit generous?
13220 programStats.nodes = programStats.depth = programStats.time =
13221 programStats.score = programStats.got_only_move = 0;
13222 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13224 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13225 strcat(bookMove, bookHit);
13226 HandleMachineMove(bookMove, &first);
13231 MachineBlackEvent()
13234 char *bookHit = NULL;
13236 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13240 if (gameMode == PlayFromGameFile ||
13241 gameMode == TwoMachinesPlay ||
13242 gameMode == Training ||
13243 gameMode == AnalyzeMode ||
13244 gameMode == EndOfGame)
13247 if (gameMode == EditPosition)
13248 EditPositionDone(TRUE);
13250 if (WhiteOnMove(currentMove)) {
13251 DisplayError(_("It is not Black's turn"), 0);
13255 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13258 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13259 gameMode == AnalyzeFile)
13262 ResurrectChessProgram(); /* in case it isn't running */
13263 gameMode = MachinePlaysBlack;
13267 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13269 if (first.sendName) {
13270 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13271 SendToProgram(buf, &first);
13273 if (first.sendTime) {
13274 if (first.useColors) {
13275 SendToProgram("white\n", &first); /*gnu kludge*/
13277 SendTimeRemaining(&first, FALSE);
13279 if (first.useColors) {
13280 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13282 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13283 SetMachineThinkingEnables();
13284 first.maybeThinking = TRUE;
13287 if (appData.autoFlipView && flipView) {
13288 flipView = !flipView;
13289 DrawPosition(FALSE, NULL);
13290 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13292 if(bookHit) { // [HGM] book: simulate book reply
13293 static char bookMove[MSG_SIZ]; // a bit generous?
13295 programStats.nodes = programStats.depth = programStats.time =
13296 programStats.score = programStats.got_only_move = 0;
13297 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13299 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13300 strcat(bookMove, bookHit);
13301 HandleMachineMove(bookMove, &first);
13307 DisplayTwoMachinesTitle()
13310 if (appData.matchGames > 0) {
13311 if(appData.tourneyFile[0]) {
13312 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
13313 gameInfo.white, gameInfo.black,
13314 nextGame+1, appData.matchGames+1,
13315 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13317 if (first.twoMachinesColor[0] == 'w') {
13318 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13319 gameInfo.white, gameInfo.black,
13320 first.matchWins, second.matchWins,
13321 matchGame - 1 - (first.matchWins + second.matchWins));
13323 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13324 gameInfo.white, gameInfo.black,
13325 second.matchWins, first.matchWins,
13326 matchGame - 1 - (first.matchWins + second.matchWins));
13329 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13335 SettingsMenuIfReady()
13337 if (second.lastPing != second.lastPong) {
13338 DisplayMessage("", _("Waiting for second chess program"));
13339 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13343 DisplayMessage("", "");
13344 SettingsPopUp(&second);
13348 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13351 if (cps->pr == NoProc) {
13352 StartChessProgram(cps);
13353 if (cps->protocolVersion == 1) {
13356 /* kludge: allow timeout for initial "feature" command */
13358 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13359 DisplayMessage("", buf);
13360 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13368 TwoMachinesEvent P((void))
13372 ChessProgramState *onmove;
13373 char *bookHit = NULL;
13374 static int stalling = 0;
13378 if (appData.noChessProgram) return;
13380 switch (gameMode) {
13381 case TwoMachinesPlay:
13383 case MachinePlaysWhite:
13384 case MachinePlaysBlack:
13385 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13386 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13390 case BeginningOfGame:
13391 case PlayFromGameFile:
13394 if (gameMode != EditGame) return;
13397 EditPositionDone(TRUE);
13408 // forwardMostMove = currentMove;
13409 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13411 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13413 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13414 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13415 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13419 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13420 SendToProgram("force\n", &second);
13422 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13425 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13426 if(appData.matchPause>10000 || appData.matchPause<10)
13427 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13428 wait = SubtractTimeMarks(&now, &pauseStart);
13429 if(wait < appData.matchPause) {
13430 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13434 DisplayMessage("", "");
13435 if (startedFromSetupPosition) {
13436 SendBoard(&second, backwardMostMove);
13437 if (appData.debugMode) {
13438 fprintf(debugFP, "Two Machines\n");
13441 for (i = backwardMostMove; i < forwardMostMove; i++) {
13442 SendMoveToProgram(i, &second);
13445 gameMode = TwoMachinesPlay;
13447 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13449 DisplayTwoMachinesTitle();
13451 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13456 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13457 SendToProgram(first.computerString, &first);
13458 if (first.sendName) {
13459 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13460 SendToProgram(buf, &first);
13462 SendToProgram(second.computerString, &second);
13463 if (second.sendName) {
13464 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13465 SendToProgram(buf, &second);
13469 if (!first.sendTime || !second.sendTime) {
13470 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13471 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13473 if (onmove->sendTime) {
13474 if (onmove->useColors) {
13475 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13477 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13479 if (onmove->useColors) {
13480 SendToProgram(onmove->twoMachinesColor, onmove);
13482 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13483 // SendToProgram("go\n", onmove);
13484 onmove->maybeThinking = TRUE;
13485 SetMachineThinkingEnables();
13489 if(bookHit) { // [HGM] book: simulate book reply
13490 static char bookMove[MSG_SIZ]; // a bit generous?
13492 programStats.nodes = programStats.depth = programStats.time =
13493 programStats.score = programStats.got_only_move = 0;
13494 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13496 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13497 strcat(bookMove, bookHit);
13498 savedMessage = bookMove; // args for deferred call
13499 savedState = onmove;
13500 ScheduleDelayedEvent(DeferredBookMove, 1);
13507 if (gameMode == Training) {
13508 SetTrainingModeOff();
13509 gameMode = PlayFromGameFile;
13510 DisplayMessage("", _("Training mode off"));
13512 gameMode = Training;
13513 animateTraining = appData.animate;
13515 /* make sure we are not already at the end of the game */
13516 if (currentMove < forwardMostMove) {
13517 SetTrainingModeOn();
13518 DisplayMessage("", _("Training mode on"));
13520 gameMode = PlayFromGameFile;
13521 DisplayError(_("Already at end of game"), 0);
13530 if (!appData.icsActive) return;
13531 switch (gameMode) {
13532 case IcsPlayingWhite:
13533 case IcsPlayingBlack:
13536 case BeginningOfGame:
13544 EditPositionDone(TRUE);
13557 gameMode = IcsIdle;
13568 switch (gameMode) {
13570 SetTrainingModeOff();
13572 case MachinePlaysWhite:
13573 case MachinePlaysBlack:
13574 case BeginningOfGame:
13575 SendToProgram("force\n", &first);
13576 SetUserThinkingEnables();
13578 case PlayFromGameFile:
13579 (void) StopLoadGameTimer();
13580 if (gameFileFP != NULL) {
13585 EditPositionDone(TRUE);
13590 SendToProgram("force\n", &first);
13592 case TwoMachinesPlay:
13593 GameEnds(EndOfFile, NULL, GE_PLAYER);
13594 ResurrectChessProgram();
13595 SetUserThinkingEnables();
13598 ResurrectChessProgram();
13600 case IcsPlayingBlack:
13601 case IcsPlayingWhite:
13602 DisplayError(_("Warning: You are still playing a game"), 0);
13605 DisplayError(_("Warning: You are still observing a game"), 0);
13608 DisplayError(_("Warning: You are still examining a game"), 0);
13619 first.offeredDraw = second.offeredDraw = 0;
13621 if (gameMode == PlayFromGameFile) {
13622 whiteTimeRemaining = timeRemaining[0][currentMove];
13623 blackTimeRemaining = timeRemaining[1][currentMove];
13627 if (gameMode == MachinePlaysWhite ||
13628 gameMode == MachinePlaysBlack ||
13629 gameMode == TwoMachinesPlay ||
13630 gameMode == EndOfGame) {
13631 i = forwardMostMove;
13632 while (i > currentMove) {
13633 SendToProgram("undo\n", &first);
13636 if(!adjustedClock) {
13637 whiteTimeRemaining = timeRemaining[0][currentMove];
13638 blackTimeRemaining = timeRemaining[1][currentMove];
13639 DisplayBothClocks();
13641 if (whiteFlag || blackFlag) {
13642 whiteFlag = blackFlag = 0;
13647 gameMode = EditGame;
13654 EditPositionEvent()
13656 if (gameMode == EditPosition) {
13662 if (gameMode != EditGame) return;
13664 gameMode = EditPosition;
13667 if (currentMove > 0)
13668 CopyBoard(boards[0], boards[currentMove]);
13670 blackPlaysFirst = !WhiteOnMove(currentMove);
13672 currentMove = forwardMostMove = backwardMostMove = 0;
13673 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13680 /* [DM] icsEngineAnalyze - possible call from other functions */
13681 if (appData.icsEngineAnalyze) {
13682 appData.icsEngineAnalyze = FALSE;
13684 DisplayMessage("",_("Close ICS engine analyze..."));
13686 if (first.analysisSupport && first.analyzing) {
13687 SendToProgram("exit\n", &first);
13688 first.analyzing = FALSE;
13690 thinkOutput[0] = NULLCHAR;
13694 EditPositionDone(Boolean fakeRights)
13696 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13698 startedFromSetupPosition = TRUE;
13699 InitChessProgram(&first, FALSE);
13700 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13701 boards[0][EP_STATUS] = EP_NONE;
13702 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13703 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13704 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13705 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13706 } else boards[0][CASTLING][2] = NoRights;
13707 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13708 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13709 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13710 } else boards[0][CASTLING][5] = NoRights;
13712 SendToProgram("force\n", &first);
13713 if (blackPlaysFirst) {
13714 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13715 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13716 currentMove = forwardMostMove = backwardMostMove = 1;
13717 CopyBoard(boards[1], boards[0]);
13719 currentMove = forwardMostMove = backwardMostMove = 0;
13721 SendBoard(&first, forwardMostMove);
13722 if (appData.debugMode) {
13723 fprintf(debugFP, "EditPosDone\n");
13726 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13727 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13728 gameMode = EditGame;
13730 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13731 ClearHighlights(); /* [AS] */
13734 /* Pause for `ms' milliseconds */
13735 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13745 } while (SubtractTimeMarks(&m2, &m1) < ms);
13748 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13750 SendMultiLineToICS(buf)
13753 char temp[MSG_SIZ+1], *p;
13760 strncpy(temp, buf, len);
13765 if (*p == '\n' || *p == '\r')
13770 strcat(temp, "\n");
13772 SendToPlayer(temp, strlen(temp));
13776 SetWhiteToPlayEvent()
13778 if (gameMode == EditPosition) {
13779 blackPlaysFirst = FALSE;
13780 DisplayBothClocks(); /* works because currentMove is 0 */
13781 } else if (gameMode == IcsExamining) {
13782 SendToICS(ics_prefix);
13783 SendToICS("tomove white\n");
13788 SetBlackToPlayEvent()
13790 if (gameMode == EditPosition) {
13791 blackPlaysFirst = TRUE;
13792 currentMove = 1; /* kludge */
13793 DisplayBothClocks();
13795 } else if (gameMode == IcsExamining) {
13796 SendToICS(ics_prefix);
13797 SendToICS("tomove black\n");
13802 EditPositionMenuEvent(selection, x, y)
13803 ChessSquare selection;
13807 ChessSquare piece = boards[0][y][x];
13809 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13811 switch (selection) {
13813 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13814 SendToICS(ics_prefix);
13815 SendToICS("bsetup clear\n");
13816 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13817 SendToICS(ics_prefix);
13818 SendToICS("clearboard\n");
13820 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13821 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13822 for (y = 0; y < BOARD_HEIGHT; y++) {
13823 if (gameMode == IcsExamining) {
13824 if (boards[currentMove][y][x] != EmptySquare) {
13825 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13830 boards[0][y][x] = p;
13835 if (gameMode == EditPosition) {
13836 DrawPosition(FALSE, boards[0]);
13841 SetWhiteToPlayEvent();
13845 SetBlackToPlayEvent();
13849 if (gameMode == IcsExamining) {
13850 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13851 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13854 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13855 if(x == BOARD_LEFT-2) {
13856 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13857 boards[0][y][1] = 0;
13859 if(x == BOARD_RGHT+1) {
13860 if(y >= gameInfo.holdingsSize) break;
13861 boards[0][y][BOARD_WIDTH-2] = 0;
13864 boards[0][y][x] = EmptySquare;
13865 DrawPosition(FALSE, boards[0]);
13870 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13871 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13872 selection = (ChessSquare) (PROMOTED piece);
13873 } else if(piece == EmptySquare) selection = WhiteSilver;
13874 else selection = (ChessSquare)((int)piece - 1);
13878 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13879 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13880 selection = (ChessSquare) (DEMOTED piece);
13881 } else if(piece == EmptySquare) selection = BlackSilver;
13882 else selection = (ChessSquare)((int)piece + 1);
13887 if(gameInfo.variant == VariantShatranj ||
13888 gameInfo.variant == VariantXiangqi ||
13889 gameInfo.variant == VariantCourier ||
13890 gameInfo.variant == VariantMakruk )
13891 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13896 if(gameInfo.variant == VariantXiangqi)
13897 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13898 if(gameInfo.variant == VariantKnightmate)
13899 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13902 if (gameMode == IcsExamining) {
13903 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13904 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13905 PieceToChar(selection), AAA + x, ONE + y);
13908 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13910 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13911 n = PieceToNumber(selection - BlackPawn);
13912 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13913 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13914 boards[0][BOARD_HEIGHT-1-n][1]++;
13916 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13917 n = PieceToNumber(selection);
13918 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13919 boards[0][n][BOARD_WIDTH-1] = selection;
13920 boards[0][n][BOARD_WIDTH-2]++;
13923 boards[0][y][x] = selection;
13924 DrawPosition(TRUE, boards[0]);
13932 DropMenuEvent(selection, x, y)
13933 ChessSquare selection;
13936 ChessMove moveType;
13938 switch (gameMode) {
13939 case IcsPlayingWhite:
13940 case MachinePlaysBlack:
13941 if (!WhiteOnMove(currentMove)) {
13942 DisplayMoveError(_("It is Black's turn"));
13945 moveType = WhiteDrop;
13947 case IcsPlayingBlack:
13948 case MachinePlaysWhite:
13949 if (WhiteOnMove(currentMove)) {
13950 DisplayMoveError(_("It is White's turn"));
13953 moveType = BlackDrop;
13956 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13962 if (moveType == BlackDrop && selection < BlackPawn) {
13963 selection = (ChessSquare) ((int) selection
13964 + (int) BlackPawn - (int) WhitePawn);
13966 if (boards[currentMove][y][x] != EmptySquare) {
13967 DisplayMoveError(_("That square is occupied"));
13971 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13977 /* Accept a pending offer of any kind from opponent */
13979 if (appData.icsActive) {
13980 SendToICS(ics_prefix);
13981 SendToICS("accept\n");
13982 } else if (cmailMsgLoaded) {
13983 if (currentMove == cmailOldMove &&
13984 commentList[cmailOldMove] != NULL &&
13985 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13986 "Black offers a draw" : "White offers a draw")) {
13988 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13989 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13991 DisplayError(_("There is no pending offer on this move"), 0);
13992 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13995 /* Not used for offers from chess program */
14002 /* Decline a pending offer of any kind from opponent */
14004 if (appData.icsActive) {
14005 SendToICS(ics_prefix);
14006 SendToICS("decline\n");
14007 } else if (cmailMsgLoaded) {
14008 if (currentMove == cmailOldMove &&
14009 commentList[cmailOldMove] != NULL &&
14010 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14011 "Black offers a draw" : "White offers a draw")) {
14013 AppendComment(cmailOldMove, "Draw declined", TRUE);
14014 DisplayComment(cmailOldMove - 1, "Draw declined");
14017 DisplayError(_("There is no pending offer on this move"), 0);
14020 /* Not used for offers from chess program */
14027 /* Issue ICS rematch command */
14028 if (appData.icsActive) {
14029 SendToICS(ics_prefix);
14030 SendToICS("rematch\n");
14037 /* Call your opponent's flag (claim a win on time) */
14038 if (appData.icsActive) {
14039 SendToICS(ics_prefix);
14040 SendToICS("flag\n");
14042 switch (gameMode) {
14045 case MachinePlaysWhite:
14048 GameEnds(GameIsDrawn, "Both players ran out of time",
14051 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14053 DisplayError(_("Your opponent is not out of time"), 0);
14056 case MachinePlaysBlack:
14059 GameEnds(GameIsDrawn, "Both players ran out of time",
14062 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14064 DisplayError(_("Your opponent is not out of time"), 0);
14072 ClockClick(int which)
14073 { // [HGM] code moved to back-end from winboard.c
14074 if(which) { // black clock
14075 if (gameMode == EditPosition || gameMode == IcsExamining) {
14076 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14077 SetBlackToPlayEvent();
14078 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14079 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14080 } else if (shiftKey) {
14081 AdjustClock(which, -1);
14082 } else if (gameMode == IcsPlayingWhite ||
14083 gameMode == MachinePlaysBlack) {
14086 } else { // white clock
14087 if (gameMode == EditPosition || gameMode == IcsExamining) {
14088 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14089 SetWhiteToPlayEvent();
14090 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14091 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14092 } else if (shiftKey) {
14093 AdjustClock(which, -1);
14094 } else if (gameMode == IcsPlayingBlack ||
14095 gameMode == MachinePlaysWhite) {
14104 /* Offer draw or accept pending draw offer from opponent */
14106 if (appData.icsActive) {
14107 /* Note: tournament rules require draw offers to be
14108 made after you make your move but before you punch
14109 your clock. Currently ICS doesn't let you do that;
14110 instead, you immediately punch your clock after making
14111 a move, but you can offer a draw at any time. */
14113 SendToICS(ics_prefix);
14114 SendToICS("draw\n");
14115 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14116 } else if (cmailMsgLoaded) {
14117 if (currentMove == cmailOldMove &&
14118 commentList[cmailOldMove] != NULL &&
14119 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14120 "Black offers a draw" : "White offers a draw")) {
14121 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14122 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14123 } else if (currentMove == cmailOldMove + 1) {
14124 char *offer = WhiteOnMove(cmailOldMove) ?
14125 "White offers a draw" : "Black offers a draw";
14126 AppendComment(currentMove, offer, TRUE);
14127 DisplayComment(currentMove - 1, offer);
14128 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14130 DisplayError(_("You must make your move before offering a draw"), 0);
14131 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14133 } else if (first.offeredDraw) {
14134 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14136 if (first.sendDrawOffers) {
14137 SendToProgram("draw\n", &first);
14138 userOfferedDraw = TRUE;
14146 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14148 if (appData.icsActive) {
14149 SendToICS(ics_prefix);
14150 SendToICS("adjourn\n");
14152 /* Currently GNU Chess doesn't offer or accept Adjourns */
14160 /* Offer Abort or accept pending Abort offer from opponent */
14162 if (appData.icsActive) {
14163 SendToICS(ics_prefix);
14164 SendToICS("abort\n");
14166 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14173 /* Resign. You can do this even if it's not your turn. */
14175 if (appData.icsActive) {
14176 SendToICS(ics_prefix);
14177 SendToICS("resign\n");
14179 switch (gameMode) {
14180 case MachinePlaysWhite:
14181 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14183 case MachinePlaysBlack:
14184 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14187 if (cmailMsgLoaded) {
14189 if (WhiteOnMove(cmailOldMove)) {
14190 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14192 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14194 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14205 StopObservingEvent()
14207 /* Stop observing current games */
14208 SendToICS(ics_prefix);
14209 SendToICS("unobserve\n");
14213 StopExaminingEvent()
14215 /* Stop observing current game */
14216 SendToICS(ics_prefix);
14217 SendToICS("unexamine\n");
14221 ForwardInner(target)
14226 if (appData.debugMode)
14227 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14228 target, currentMove, forwardMostMove);
14230 if (gameMode == EditPosition)
14233 MarkTargetSquares(1);
14235 if (gameMode == PlayFromGameFile && !pausing)
14238 if (gameMode == IcsExamining && pausing)
14239 limit = pauseExamForwardMostMove;
14241 limit = forwardMostMove;
14243 if (target > limit) target = limit;
14245 if (target > 0 && moveList[target - 1][0]) {
14246 int fromX, fromY, toX, toY;
14247 toX = moveList[target - 1][2] - AAA;
14248 toY = moveList[target - 1][3] - ONE;
14249 if (moveList[target - 1][1] == '@') {
14250 if (appData.highlightLastMove) {
14251 SetHighlights(-1, -1, toX, toY);
14254 fromX = moveList[target - 1][0] - AAA;
14255 fromY = moveList[target - 1][1] - ONE;
14256 if (target == currentMove + 1) {
14257 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14259 if (appData.highlightLastMove) {
14260 SetHighlights(fromX, fromY, toX, toY);
14264 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14265 gameMode == Training || gameMode == PlayFromGameFile ||
14266 gameMode == AnalyzeFile) {
14267 while (currentMove < target) {
14268 SendMoveToProgram(currentMove++, &first);
14271 currentMove = target;
14274 if (gameMode == EditGame || gameMode == EndOfGame) {
14275 whiteTimeRemaining = timeRemaining[0][currentMove];
14276 blackTimeRemaining = timeRemaining[1][currentMove];
14278 DisplayBothClocks();
14279 DisplayMove(currentMove - 1);
14280 DrawPosition(FALSE, boards[currentMove]);
14281 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14282 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14283 DisplayComment(currentMove - 1, commentList[currentMove]);
14291 if (gameMode == IcsExamining && !pausing) {
14292 SendToICS(ics_prefix);
14293 SendToICS("forward\n");
14295 ForwardInner(currentMove + 1);
14302 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14303 /* to optimze, we temporarily turn off analysis mode while we feed
14304 * the remaining moves to the engine. Otherwise we get analysis output
14307 if (first.analysisSupport) {
14308 SendToProgram("exit\nforce\n", &first);
14309 first.analyzing = FALSE;
14313 if (gameMode == IcsExamining && !pausing) {
14314 SendToICS(ics_prefix);
14315 SendToICS("forward 999999\n");
14317 ForwardInner(forwardMostMove);
14320 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14321 /* we have fed all the moves, so reactivate analysis mode */
14322 SendToProgram("analyze\n", &first);
14323 first.analyzing = TRUE;
14324 /*first.maybeThinking = TRUE;*/
14325 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14330 BackwardInner(target)
14333 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14335 if (appData.debugMode)
14336 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14337 target, currentMove, forwardMostMove);
14339 if (gameMode == EditPosition) return;
14340 MarkTargetSquares(1);
14341 if (currentMove <= backwardMostMove) {
14343 DrawPosition(full_redraw, boards[currentMove]);
14346 if (gameMode == PlayFromGameFile && !pausing)
14349 if (moveList[target][0]) {
14350 int fromX, fromY, toX, toY;
14351 toX = moveList[target][2] - AAA;
14352 toY = moveList[target][3] - ONE;
14353 if (moveList[target][1] == '@') {
14354 if (appData.highlightLastMove) {
14355 SetHighlights(-1, -1, toX, toY);
14358 fromX = moveList[target][0] - AAA;
14359 fromY = moveList[target][1] - ONE;
14360 if (target == currentMove - 1) {
14361 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14363 if (appData.highlightLastMove) {
14364 SetHighlights(fromX, fromY, toX, toY);
14368 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14369 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14370 while (currentMove > target) {
14371 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14372 // null move cannot be undone. Reload program with move history before it.
14374 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14375 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14377 SendBoard(&first, i);
14378 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14381 SendToProgram("undo\n", &first);
14385 currentMove = target;
14388 if (gameMode == EditGame || gameMode == EndOfGame) {
14389 whiteTimeRemaining = timeRemaining[0][currentMove];
14390 blackTimeRemaining = timeRemaining[1][currentMove];
14392 DisplayBothClocks();
14393 DisplayMove(currentMove - 1);
14394 DrawPosition(full_redraw, boards[currentMove]);
14395 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14396 // [HGM] PV info: routine tests if comment empty
14397 DisplayComment(currentMove - 1, commentList[currentMove]);
14403 if (gameMode == IcsExamining && !pausing) {
14404 SendToICS(ics_prefix);
14405 SendToICS("backward\n");
14407 BackwardInner(currentMove - 1);
14414 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14415 /* to optimize, we temporarily turn off analysis mode while we undo
14416 * all the moves. Otherwise we get analysis output after each undo.
14418 if (first.analysisSupport) {
14419 SendToProgram("exit\nforce\n", &first);
14420 first.analyzing = FALSE;
14424 if (gameMode == IcsExamining && !pausing) {
14425 SendToICS(ics_prefix);
14426 SendToICS("backward 999999\n");
14428 BackwardInner(backwardMostMove);
14431 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14432 /* we have fed all the moves, so reactivate analysis mode */
14433 SendToProgram("analyze\n", &first);
14434 first.analyzing = TRUE;
14435 /*first.maybeThinking = TRUE;*/
14436 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14443 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14444 if (to >= forwardMostMove) to = forwardMostMove;
14445 if (to <= backwardMostMove) to = backwardMostMove;
14446 if (to < currentMove) {
14454 RevertEvent(Boolean annotate)
14456 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14459 if (gameMode != IcsExamining) {
14460 DisplayError(_("You are not examining a game"), 0);
14464 DisplayError(_("You can't revert while pausing"), 0);
14467 SendToICS(ics_prefix);
14468 SendToICS("revert\n");
14474 switch (gameMode) {
14475 case MachinePlaysWhite:
14476 case MachinePlaysBlack:
14477 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14478 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14481 if (forwardMostMove < 2) return;
14482 currentMove = forwardMostMove = forwardMostMove - 2;
14483 whiteTimeRemaining = timeRemaining[0][currentMove];
14484 blackTimeRemaining = timeRemaining[1][currentMove];
14485 DisplayBothClocks();
14486 DisplayMove(currentMove - 1);
14487 ClearHighlights();/*!! could figure this out*/
14488 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14489 SendToProgram("remove\n", &first);
14490 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14493 case BeginningOfGame:
14497 case IcsPlayingWhite:
14498 case IcsPlayingBlack:
14499 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14500 SendToICS(ics_prefix);
14501 SendToICS("takeback 2\n");
14503 SendToICS(ics_prefix);
14504 SendToICS("takeback 1\n");
14513 ChessProgramState *cps;
14515 switch (gameMode) {
14516 case MachinePlaysWhite:
14517 if (!WhiteOnMove(forwardMostMove)) {
14518 DisplayError(_("It is your turn"), 0);
14523 case MachinePlaysBlack:
14524 if (WhiteOnMove(forwardMostMove)) {
14525 DisplayError(_("It is your turn"), 0);
14530 case TwoMachinesPlay:
14531 if (WhiteOnMove(forwardMostMove) ==
14532 (first.twoMachinesColor[0] == 'w')) {
14538 case BeginningOfGame:
14542 SendToProgram("?\n", cps);
14546 TruncateGameEvent()
14549 if (gameMode != EditGame) return;
14556 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14557 if (forwardMostMove > currentMove) {
14558 if (gameInfo.resultDetails != NULL) {
14559 free(gameInfo.resultDetails);
14560 gameInfo.resultDetails = NULL;
14561 gameInfo.result = GameUnfinished;
14563 forwardMostMove = currentMove;
14564 HistorySet(parseList, backwardMostMove, forwardMostMove,
14572 if (appData.noChessProgram) return;
14573 switch (gameMode) {
14574 case MachinePlaysWhite:
14575 if (WhiteOnMove(forwardMostMove)) {
14576 DisplayError(_("Wait until your turn"), 0);
14580 case BeginningOfGame:
14581 case MachinePlaysBlack:
14582 if (!WhiteOnMove(forwardMostMove)) {
14583 DisplayError(_("Wait until your turn"), 0);
14588 DisplayError(_("No hint available"), 0);
14591 SendToProgram("hint\n", &first);
14592 hintRequested = TRUE;
14598 if (appData.noChessProgram) return;
14599 switch (gameMode) {
14600 case MachinePlaysWhite:
14601 if (WhiteOnMove(forwardMostMove)) {
14602 DisplayError(_("Wait until your turn"), 0);
14606 case BeginningOfGame:
14607 case MachinePlaysBlack:
14608 if (!WhiteOnMove(forwardMostMove)) {
14609 DisplayError(_("Wait until your turn"), 0);
14614 EditPositionDone(TRUE);
14616 case TwoMachinesPlay:
14621 SendToProgram("bk\n", &first);
14622 bookOutput[0] = NULLCHAR;
14623 bookRequested = TRUE;
14629 char *tags = PGNTags(&gameInfo);
14630 TagsPopUp(tags, CmailMsg());
14634 /* end button procedures */
14637 PrintPosition(fp, move)
14643 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14644 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14645 char c = PieceToChar(boards[move][i][j]);
14646 fputc(c == 'x' ? '.' : c, fp);
14647 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14650 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14651 fprintf(fp, "white to play\n");
14653 fprintf(fp, "black to play\n");
14660 if (gameInfo.white != NULL) {
14661 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14667 /* Find last component of program's own name, using some heuristics */
14669 TidyProgramName(prog, host, buf)
14670 char *prog, *host, buf[MSG_SIZ];
14673 int local = (strcmp(host, "localhost") == 0);
14674 while (!local && (p = strchr(prog, ';')) != NULL) {
14676 while (*p == ' ') p++;
14679 if (*prog == '"' || *prog == '\'') {
14680 q = strchr(prog + 1, *prog);
14682 q = strchr(prog, ' ');
14684 if (q == NULL) q = prog + strlen(prog);
14686 while (p >= prog && *p != '/' && *p != '\\') p--;
14688 if(p == prog && *p == '"') p++;
14689 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14690 memcpy(buf, p, q - p);
14691 buf[q - p] = NULLCHAR;
14699 TimeControlTagValue()
14702 if (!appData.clockMode) {
14703 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14704 } else if (movesPerSession > 0) {
14705 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14706 } else if (timeIncrement == 0) {
14707 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14709 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14711 return StrSave(buf);
14717 /* This routine is used only for certain modes */
14718 VariantClass v = gameInfo.variant;
14719 ChessMove r = GameUnfinished;
14722 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14723 r = gameInfo.result;
14724 p = gameInfo.resultDetails;
14725 gameInfo.resultDetails = NULL;
14727 ClearGameInfo(&gameInfo);
14728 gameInfo.variant = v;
14730 switch (gameMode) {
14731 case MachinePlaysWhite:
14732 gameInfo.event = StrSave( appData.pgnEventHeader );
14733 gameInfo.site = StrSave(HostName());
14734 gameInfo.date = PGNDate();
14735 gameInfo.round = StrSave("-");
14736 gameInfo.white = StrSave(first.tidy);
14737 gameInfo.black = StrSave(UserName());
14738 gameInfo.timeControl = TimeControlTagValue();
14741 case MachinePlaysBlack:
14742 gameInfo.event = StrSave( appData.pgnEventHeader );
14743 gameInfo.site = StrSave(HostName());
14744 gameInfo.date = PGNDate();
14745 gameInfo.round = StrSave("-");
14746 gameInfo.white = StrSave(UserName());
14747 gameInfo.black = StrSave(first.tidy);
14748 gameInfo.timeControl = TimeControlTagValue();
14751 case TwoMachinesPlay:
14752 gameInfo.event = StrSave( appData.pgnEventHeader );
14753 gameInfo.site = StrSave(HostName());
14754 gameInfo.date = PGNDate();
14757 snprintf(buf, MSG_SIZ, "%d", roundNr);
14758 gameInfo.round = StrSave(buf);
14760 gameInfo.round = StrSave("-");
14762 if (first.twoMachinesColor[0] == 'w') {
14763 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14764 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14766 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14767 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14769 gameInfo.timeControl = TimeControlTagValue();
14773 gameInfo.event = StrSave("Edited game");
14774 gameInfo.site = StrSave(HostName());
14775 gameInfo.date = PGNDate();
14776 gameInfo.round = StrSave("-");
14777 gameInfo.white = StrSave("-");
14778 gameInfo.black = StrSave("-");
14779 gameInfo.result = r;
14780 gameInfo.resultDetails = p;
14784 gameInfo.event = StrSave("Edited position");
14785 gameInfo.site = StrSave(HostName());
14786 gameInfo.date = PGNDate();
14787 gameInfo.round = StrSave("-");
14788 gameInfo.white = StrSave("-");
14789 gameInfo.black = StrSave("-");
14792 case IcsPlayingWhite:
14793 case IcsPlayingBlack:
14798 case PlayFromGameFile:
14799 gameInfo.event = StrSave("Game from non-PGN file");
14800 gameInfo.site = StrSave(HostName());
14801 gameInfo.date = PGNDate();
14802 gameInfo.round = StrSave("-");
14803 gameInfo.white = StrSave("?");
14804 gameInfo.black = StrSave("?");
14813 ReplaceComment(index, text)
14821 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14822 pvInfoList[index-1].depth == len &&
14823 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14824 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14825 while (*text == '\n') text++;
14826 len = strlen(text);
14827 while (len > 0 && text[len - 1] == '\n') len--;
14829 if (commentList[index] != NULL)
14830 free(commentList[index]);
14833 commentList[index] = NULL;
14836 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14837 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14838 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14839 commentList[index] = (char *) malloc(len + 2);
14840 strncpy(commentList[index], text, len);
14841 commentList[index][len] = '\n';
14842 commentList[index][len + 1] = NULLCHAR;
14844 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14846 commentList[index] = (char *) malloc(len + 7);
14847 safeStrCpy(commentList[index], "{\n", 3);
14848 safeStrCpy(commentList[index]+2, text, len+1);
14849 commentList[index][len+2] = NULLCHAR;
14850 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14851 strcat(commentList[index], "\n}\n");
14865 if (ch == '\r') continue;
14867 } while (ch != '\0');
14871 AppendComment(index, text, addBraces)
14874 Boolean addBraces; // [HGM] braces: tells if we should add {}
14879 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14880 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14883 while (*text == '\n') text++;
14884 len = strlen(text);
14885 while (len > 0 && text[len - 1] == '\n') len--;
14887 if (len == 0) return;
14889 if (commentList[index] != NULL) {
14890 Boolean addClosingBrace = addBraces;
14891 old = commentList[index];
14892 oldlen = strlen(old);
14893 while(commentList[index][oldlen-1] == '\n')
14894 commentList[index][--oldlen] = NULLCHAR;
14895 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14896 safeStrCpy(commentList[index], old, oldlen + len + 6);
14898 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14899 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14900 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14901 while (*text == '\n') { text++; len--; }
14902 commentList[index][--oldlen] = NULLCHAR;
14904 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14905 else strcat(commentList[index], "\n");
14906 strcat(commentList[index], text);
14907 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14908 else strcat(commentList[index], "\n");
14910 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14912 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14913 else commentList[index][0] = NULLCHAR;
14914 strcat(commentList[index], text);
14915 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14916 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14920 static char * FindStr( char * text, char * sub_text )
14922 char * result = strstr( text, sub_text );
14924 if( result != NULL ) {
14925 result += strlen( sub_text );
14931 /* [AS] Try to extract PV info from PGN comment */
14932 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14933 char *GetInfoFromComment( int index, char * text )
14935 char * sep = text, *p;
14937 if( text != NULL && index > 0 ) {
14940 int time = -1, sec = 0, deci;
14941 char * s_eval = FindStr( text, "[%eval " );
14942 char * s_emt = FindStr( text, "[%emt " );
14944 if( s_eval != NULL || s_emt != NULL ) {
14948 if( s_eval != NULL ) {
14949 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14953 if( delim != ']' ) {
14958 if( s_emt != NULL ) {
14963 /* We expect something like: [+|-]nnn.nn/dd */
14966 if(*text != '{') return text; // [HGM] braces: must be normal comment
14968 sep = strchr( text, '/' );
14969 if( sep == NULL || sep < (text+4) ) {
14974 if(p[1] == '(') { // comment starts with PV
14975 p = strchr(p, ')'); // locate end of PV
14976 if(p == NULL || sep < p+5) return text;
14977 // at this point we have something like "{(.*) +0.23/6 ..."
14978 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14979 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14980 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14982 time = -1; sec = -1; deci = -1;
14983 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14984 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14985 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14986 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14990 if( score_lo < 0 || score_lo >= 100 ) {
14994 if(sec >= 0) time = 600*time + 10*sec; else
14995 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14997 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14999 /* [HGM] PV time: now locate end of PV info */
15000 while( *++sep >= '0' && *sep <= '9'); // strip depth
15002 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15004 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15006 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15007 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15018 pvInfoList[index-1].depth = depth;
15019 pvInfoList[index-1].score = score;
15020 pvInfoList[index-1].time = 10*time; // centi-sec
15021 if(*sep == '}') *sep = 0; else *--sep = '{';
15022 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15028 SendToProgram(message, cps)
15030 ChessProgramState *cps;
15032 int count, outCount, error;
15035 if (cps->pr == NoProc) return;
15038 if (appData.debugMode) {
15041 fprintf(debugFP, "%ld >%-6s: %s",
15042 SubtractTimeMarks(&now, &programStartTime),
15043 cps->which, message);
15046 count = strlen(message);
15047 outCount = OutputToProcess(cps->pr, message, count, &error);
15048 if (outCount < count && !exiting
15049 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15050 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15051 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15052 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15053 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15054 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15055 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15056 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15058 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15059 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15060 gameInfo.result = res;
15062 gameInfo.resultDetails = StrSave(buf);
15064 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15065 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15070 ReceiveFromProgram(isr, closure, message, count, error)
15071 InputSourceRef isr;
15079 ChessProgramState *cps = (ChessProgramState *)closure;
15081 if (isr != cps->isr) return; /* Killed intentionally */
15084 RemoveInputSource(cps->isr);
15085 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15086 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15087 _(cps->which), cps->program);
15088 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15089 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15090 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15091 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15092 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15094 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15095 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15096 gameInfo.result = res;
15098 gameInfo.resultDetails = StrSave(buf);
15100 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15101 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15103 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15104 _(cps->which), cps->program);
15105 RemoveInputSource(cps->isr);
15107 /* [AS] Program is misbehaving badly... kill it */
15108 if( count == -2 ) {
15109 DestroyChildProcess( cps->pr, 9 );
15113 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15118 if ((end_str = strchr(message, '\r')) != NULL)
15119 *end_str = NULLCHAR;
15120 if ((end_str = strchr(message, '\n')) != NULL)
15121 *end_str = NULLCHAR;
15123 if (appData.debugMode) {
15124 TimeMark now; int print = 1;
15125 char *quote = ""; char c; int i;
15127 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15128 char start = message[0];
15129 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15130 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15131 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15132 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15133 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15134 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15135 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15136 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15137 sscanf(message, "hint: %c", &c)!=1 &&
15138 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15139 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15140 print = (appData.engineComments >= 2);
15142 message[0] = start; // restore original message
15146 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15147 SubtractTimeMarks(&now, &programStartTime), cps->which,
15153 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15154 if (appData.icsEngineAnalyze) {
15155 if (strstr(message, "whisper") != NULL ||
15156 strstr(message, "kibitz") != NULL ||
15157 strstr(message, "tellics") != NULL) return;
15160 HandleMachineMove(message, cps);
15165 SendTimeControl(cps, mps, tc, inc, sd, st)
15166 ChessProgramState *cps;
15167 int mps, inc, sd, st;
15173 if( timeControl_2 > 0 ) {
15174 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15175 tc = timeControl_2;
15178 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15179 inc /= cps->timeOdds;
15180 st /= cps->timeOdds;
15182 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15185 /* Set exact time per move, normally using st command */
15186 if (cps->stKludge) {
15187 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15189 if (seconds == 0) {
15190 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15192 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15195 snprintf(buf, MSG_SIZ, "st %d\n", st);
15198 /* Set conventional or incremental time control, using level command */
15199 if (seconds == 0) {
15200 /* Note old gnuchess bug -- minutes:seconds used to not work.
15201 Fixed in later versions, but still avoid :seconds
15202 when seconds is 0. */
15203 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15205 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15206 seconds, inc/1000.);
15209 SendToProgram(buf, cps);
15211 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15212 /* Orthogonally, limit search to given depth */
15214 if (cps->sdKludge) {
15215 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15217 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15219 SendToProgram(buf, cps);
15222 if(cps->nps >= 0) { /* [HGM] nps */
15223 if(cps->supportsNPS == FALSE)
15224 cps->nps = -1; // don't use if engine explicitly says not supported!
15226 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15227 SendToProgram(buf, cps);
15232 ChessProgramState *WhitePlayer()
15233 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15235 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15236 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15242 SendTimeRemaining(cps, machineWhite)
15243 ChessProgramState *cps;
15244 int /*boolean*/ machineWhite;
15246 char message[MSG_SIZ];
15249 /* Note: this routine must be called when the clocks are stopped
15250 or when they have *just* been set or switched; otherwise
15251 it will be off by the time since the current tick started.
15253 if (machineWhite) {
15254 time = whiteTimeRemaining / 10;
15255 otime = blackTimeRemaining / 10;
15257 time = blackTimeRemaining / 10;
15258 otime = whiteTimeRemaining / 10;
15260 /* [HGM] translate opponent's time by time-odds factor */
15261 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15262 if (appData.debugMode) {
15263 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15266 if (time <= 0) time = 1;
15267 if (otime <= 0) otime = 1;
15269 snprintf(message, MSG_SIZ, "time %ld\n", time);
15270 SendToProgram(message, cps);
15272 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15273 SendToProgram(message, cps);
15277 BoolFeature(p, name, loc, cps)
15281 ChessProgramState *cps;
15284 int len = strlen(name);
15287 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15289 sscanf(*p, "%d", &val);
15291 while (**p && **p != ' ')
15293 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15294 SendToProgram(buf, cps);
15301 IntFeature(p, name, loc, cps)
15305 ChessProgramState *cps;
15308 int len = strlen(name);
15309 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15311 sscanf(*p, "%d", loc);
15312 while (**p && **p != ' ') (*p)++;
15313 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15314 SendToProgram(buf, cps);
15321 StringFeature(p, name, loc, cps)
15325 ChessProgramState *cps;
15328 int len = strlen(name);
15329 if (strncmp((*p), name, len) == 0
15330 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15332 sscanf(*p, "%[^\"]", loc);
15333 while (**p && **p != '\"') (*p)++;
15334 if (**p == '\"') (*p)++;
15335 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15336 SendToProgram(buf, cps);
15343 ParseOption(Option *opt, ChessProgramState *cps)
15344 // [HGM] options: process the string that defines an engine option, and determine
15345 // name, type, default value, and allowed value range
15347 char *p, *q, buf[MSG_SIZ];
15348 int n, min = (-1)<<31, max = 1<<31, def;
15350 if(p = strstr(opt->name, " -spin ")) {
15351 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15352 if(max < min) max = min; // enforce consistency
15353 if(def < min) def = min;
15354 if(def > max) def = max;
15359 } else if((p = strstr(opt->name, " -slider "))) {
15360 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15361 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15362 if(max < min) max = min; // enforce consistency
15363 if(def < min) def = min;
15364 if(def > max) def = max;
15368 opt->type = Spin; // Slider;
15369 } else if((p = strstr(opt->name, " -string "))) {
15370 opt->textValue = p+9;
15371 opt->type = TextBox;
15372 } else if((p = strstr(opt->name, " -file "))) {
15373 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15374 opt->textValue = p+7;
15375 opt->type = FileName; // FileName;
15376 } else if((p = strstr(opt->name, " -path "))) {
15377 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15378 opt->textValue = p+7;
15379 opt->type = PathName; // PathName;
15380 } else if(p = strstr(opt->name, " -check ")) {
15381 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15382 opt->value = (def != 0);
15383 opt->type = CheckBox;
15384 } else if(p = strstr(opt->name, " -combo ")) {
15385 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15386 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15387 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15388 opt->value = n = 0;
15389 while(q = StrStr(q, " /// ")) {
15390 n++; *q = 0; // count choices, and null-terminate each of them
15392 if(*q == '*') { // remember default, which is marked with * prefix
15396 cps->comboList[cps->comboCnt++] = q;
15398 cps->comboList[cps->comboCnt++] = NULL;
15400 opt->type = ComboBox;
15401 } else if(p = strstr(opt->name, " -button")) {
15402 opt->type = Button;
15403 } else if(p = strstr(opt->name, " -save")) {
15404 opt->type = SaveButton;
15405 } else return FALSE;
15406 *p = 0; // terminate option name
15407 // now look if the command-line options define a setting for this engine option.
15408 if(cps->optionSettings && cps->optionSettings[0])
15409 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15410 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15411 snprintf(buf, MSG_SIZ, "option %s", p);
15412 if(p = strstr(buf, ",")) *p = 0;
15413 if(q = strchr(buf, '=')) switch(opt->type) {
15415 for(n=0; n<opt->max; n++)
15416 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15419 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15423 opt->value = atoi(q+1);
15428 SendToProgram(buf, cps);
15434 FeatureDone(cps, val)
15435 ChessProgramState* cps;
15438 DelayedEventCallback cb = GetDelayedEvent();
15439 if ((cb == InitBackEnd3 && cps == &first) ||
15440 (cb == SettingsMenuIfReady && cps == &second) ||
15441 (cb == LoadEngine) ||
15442 (cb == TwoMachinesEventIfReady)) {
15443 CancelDelayedEvent();
15444 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15446 cps->initDone = val;
15449 /* Parse feature command from engine */
15451 ParseFeatures(args, cps)
15453 ChessProgramState *cps;
15461 while (*p == ' ') p++;
15462 if (*p == NULLCHAR) return;
15464 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15465 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15466 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15467 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15468 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15469 if (BoolFeature(&p, "reuse", &val, cps)) {
15470 /* Engine can disable reuse, but can't enable it if user said no */
15471 if (!val) cps->reuse = FALSE;
15474 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15475 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15476 if (gameMode == TwoMachinesPlay) {
15477 DisplayTwoMachinesTitle();
15483 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15484 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15485 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15486 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15487 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15488 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15489 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15490 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15491 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15492 if (IntFeature(&p, "done", &val, cps)) {
15493 FeatureDone(cps, val);
15496 /* Added by Tord: */
15497 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15498 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15499 /* End of additions by Tord */
15501 /* [HGM] added features: */
15502 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15503 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15504 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15505 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15506 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15507 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15508 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15509 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15510 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15511 SendToProgram(buf, cps);
15514 if(cps->nrOptions >= MAX_OPTIONS) {
15516 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15517 DisplayError(buf, 0);
15521 /* End of additions by HGM */
15523 /* unknown feature: complain and skip */
15525 while (*q && *q != '=') q++;
15526 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15527 SendToProgram(buf, cps);
15533 while (*p && *p != '\"') p++;
15534 if (*p == '\"') p++;
15536 while (*p && *p != ' ') p++;
15544 PeriodicUpdatesEvent(newState)
15547 if (newState == appData.periodicUpdates)
15550 appData.periodicUpdates=newState;
15552 /* Display type changes, so update it now */
15553 // DisplayAnalysis();
15555 /* Get the ball rolling again... */
15557 AnalysisPeriodicEvent(1);
15558 StartAnalysisClock();
15563 PonderNextMoveEvent(newState)
15566 if (newState == appData.ponderNextMove) return;
15567 if (gameMode == EditPosition) EditPositionDone(TRUE);
15569 SendToProgram("hard\n", &first);
15570 if (gameMode == TwoMachinesPlay) {
15571 SendToProgram("hard\n", &second);
15574 SendToProgram("easy\n", &first);
15575 thinkOutput[0] = NULLCHAR;
15576 if (gameMode == TwoMachinesPlay) {
15577 SendToProgram("easy\n", &second);
15580 appData.ponderNextMove = newState;
15584 NewSettingEvent(option, feature, command, value)
15586 int option, value, *feature;
15590 if (gameMode == EditPosition) EditPositionDone(TRUE);
15591 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15592 if(feature == NULL || *feature) SendToProgram(buf, &first);
15593 if (gameMode == TwoMachinesPlay) {
15594 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15599 ShowThinkingEvent()
15600 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15602 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15603 int newState = appData.showThinking
15604 // [HGM] thinking: other features now need thinking output as well
15605 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15607 if (oldState == newState) return;
15608 oldState = newState;
15609 if (gameMode == EditPosition) EditPositionDone(TRUE);
15611 SendToProgram("post\n", &first);
15612 if (gameMode == TwoMachinesPlay) {
15613 SendToProgram("post\n", &second);
15616 SendToProgram("nopost\n", &first);
15617 thinkOutput[0] = NULLCHAR;
15618 if (gameMode == TwoMachinesPlay) {
15619 SendToProgram("nopost\n", &second);
15622 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15626 AskQuestionEvent(title, question, replyPrefix, which)
15627 char *title; char *question; char *replyPrefix; char *which;
15629 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15630 if (pr == NoProc) return;
15631 AskQuestion(title, question, replyPrefix, pr);
15635 TypeInEvent(char firstChar)
15637 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15638 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15639 gameMode == AnalyzeMode || gameMode == EditGame ||
15640 gameMode == EditPosition || gameMode == IcsExamining ||
15641 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15642 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15643 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15644 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15645 gameMode == Training) PopUpMoveDialog(firstChar);
15649 TypeInDoneEvent(char *move)
15652 int n, fromX, fromY, toX, toY;
15654 ChessMove moveType;
15657 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15658 EditPositionPasteFEN(move);
15661 // [HGM] movenum: allow move number to be typed in any mode
15662 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15667 if (gameMode != EditGame && currentMove != forwardMostMove &&
15668 gameMode != Training) {
15669 DisplayMoveError(_("Displayed move is not current"));
15671 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15672 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15673 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15674 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15675 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15676 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15678 DisplayMoveError(_("Could not parse move"));
15684 DisplayMove(moveNumber)
15687 char message[MSG_SIZ];
15689 char cpThinkOutput[MSG_SIZ];
15691 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15693 if (moveNumber == forwardMostMove - 1 ||
15694 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15696 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15698 if (strchr(cpThinkOutput, '\n')) {
15699 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15702 *cpThinkOutput = NULLCHAR;
15705 /* [AS] Hide thinking from human user */
15706 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15707 *cpThinkOutput = NULLCHAR;
15708 if( thinkOutput[0] != NULLCHAR ) {
15711 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15712 cpThinkOutput[i] = '.';
15714 cpThinkOutput[i] = NULLCHAR;
15715 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15719 if (moveNumber == forwardMostMove - 1 &&
15720 gameInfo.resultDetails != NULL) {
15721 if (gameInfo.resultDetails[0] == NULLCHAR) {
15722 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15724 snprintf(res, MSG_SIZ, " {%s} %s",
15725 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15731 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15732 DisplayMessage(res, cpThinkOutput);
15734 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15735 WhiteOnMove(moveNumber) ? " " : ".. ",
15736 parseList[moveNumber], res);
15737 DisplayMessage(message, cpThinkOutput);
15742 DisplayComment(moveNumber, text)
15746 char title[MSG_SIZ];
15748 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15749 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15751 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15752 WhiteOnMove(moveNumber) ? " " : ".. ",
15753 parseList[moveNumber]);
15755 if (text != NULL && (appData.autoDisplayComment || commentUp))
15756 CommentPopUp(title, text);
15759 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15760 * might be busy thinking or pondering. It can be omitted if your
15761 * gnuchess is configured to stop thinking immediately on any user
15762 * input. However, that gnuchess feature depends on the FIONREAD
15763 * ioctl, which does not work properly on some flavors of Unix.
15767 ChessProgramState *cps;
15770 if (!cps->useSigint) return;
15771 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15772 switch (gameMode) {
15773 case MachinePlaysWhite:
15774 case MachinePlaysBlack:
15775 case TwoMachinesPlay:
15776 case IcsPlayingWhite:
15777 case IcsPlayingBlack:
15780 /* Skip if we know it isn't thinking */
15781 if (!cps->maybeThinking) return;
15782 if (appData.debugMode)
15783 fprintf(debugFP, "Interrupting %s\n", cps->which);
15784 InterruptChildProcess(cps->pr);
15785 cps->maybeThinking = FALSE;
15790 #endif /*ATTENTION*/
15796 if (whiteTimeRemaining <= 0) {
15799 if (appData.icsActive) {
15800 if (appData.autoCallFlag &&
15801 gameMode == IcsPlayingBlack && !blackFlag) {
15802 SendToICS(ics_prefix);
15803 SendToICS("flag\n");
15807 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15809 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15810 if (appData.autoCallFlag) {
15811 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15818 if (blackTimeRemaining <= 0) {
15821 if (appData.icsActive) {
15822 if (appData.autoCallFlag &&
15823 gameMode == IcsPlayingWhite && !whiteFlag) {
15824 SendToICS(ics_prefix);
15825 SendToICS("flag\n");
15829 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15831 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15832 if (appData.autoCallFlag) {
15833 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15846 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15847 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15850 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15852 if ( !WhiteOnMove(forwardMostMove) ) {
15853 /* White made time control */
15854 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15855 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15856 /* [HGM] time odds: correct new time quota for time odds! */
15857 / WhitePlayer()->timeOdds;
15858 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15860 lastBlack -= blackTimeRemaining;
15861 /* Black made time control */
15862 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15863 / WhitePlayer()->other->timeOdds;
15864 lastWhite = whiteTimeRemaining;
15869 DisplayBothClocks()
15871 int wom = gameMode == EditPosition ?
15872 !blackPlaysFirst : WhiteOnMove(currentMove);
15873 DisplayWhiteClock(whiteTimeRemaining, wom);
15874 DisplayBlackClock(blackTimeRemaining, !wom);
15878 /* Timekeeping seems to be a portability nightmare. I think everyone
15879 has ftime(), but I'm really not sure, so I'm including some ifdefs
15880 to use other calls if you don't. Clocks will be less accurate if
15881 you have neither ftime nor gettimeofday.
15884 /* VS 2008 requires the #include outside of the function */
15885 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15886 #include <sys/timeb.h>
15889 /* Get the current time as a TimeMark */
15894 #if HAVE_GETTIMEOFDAY
15896 struct timeval timeVal;
15897 struct timezone timeZone;
15899 gettimeofday(&timeVal, &timeZone);
15900 tm->sec = (long) timeVal.tv_sec;
15901 tm->ms = (int) (timeVal.tv_usec / 1000L);
15903 #else /*!HAVE_GETTIMEOFDAY*/
15906 // include <sys/timeb.h> / moved to just above start of function
15907 struct timeb timeB;
15910 tm->sec = (long) timeB.time;
15911 tm->ms = (int) timeB.millitm;
15913 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15914 tm->sec = (long) time(NULL);
15920 /* Return the difference in milliseconds between two
15921 time marks. We assume the difference will fit in a long!
15924 SubtractTimeMarks(tm2, tm1)
15925 TimeMark *tm2, *tm1;
15927 return 1000L*(tm2->sec - tm1->sec) +
15928 (long) (tm2->ms - tm1->ms);
15933 * Code to manage the game clocks.
15935 * In tournament play, black starts the clock and then white makes a move.
15936 * We give the human user a slight advantage if he is playing white---the
15937 * clocks don't run until he makes his first move, so it takes zero time.
15938 * Also, we don't account for network lag, so we could get out of sync
15939 * with GNU Chess's clock -- but then, referees are always right.
15942 static TimeMark tickStartTM;
15943 static long intendedTickLength;
15946 NextTickLength(timeRemaining)
15947 long timeRemaining;
15949 long nominalTickLength, nextTickLength;
15951 if (timeRemaining > 0L && timeRemaining <= 10000L)
15952 nominalTickLength = 100L;
15954 nominalTickLength = 1000L;
15955 nextTickLength = timeRemaining % nominalTickLength;
15956 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15958 return nextTickLength;
15961 /* Adjust clock one minute up or down */
15963 AdjustClock(Boolean which, int dir)
15965 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15966 if(which) blackTimeRemaining += 60000*dir;
15967 else whiteTimeRemaining += 60000*dir;
15968 DisplayBothClocks();
15969 adjustedClock = TRUE;
15972 /* Stop clocks and reset to a fresh time control */
15976 (void) StopClockTimer();
15977 if (appData.icsActive) {
15978 whiteTimeRemaining = blackTimeRemaining = 0;
15979 } else if (searchTime) {
15980 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15981 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15982 } else { /* [HGM] correct new time quote for time odds */
15983 whiteTC = blackTC = fullTimeControlString;
15984 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15985 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15987 if (whiteFlag || blackFlag) {
15989 whiteFlag = blackFlag = FALSE;
15991 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15992 DisplayBothClocks();
15993 adjustedClock = FALSE;
15996 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15998 /* Decrement running clock by amount of time that has passed */
16002 long timeRemaining;
16003 long lastTickLength, fudge;
16006 if (!appData.clockMode) return;
16007 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16011 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16013 /* Fudge if we woke up a little too soon */
16014 fudge = intendedTickLength - lastTickLength;
16015 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16017 if (WhiteOnMove(forwardMostMove)) {
16018 if(whiteNPS >= 0) lastTickLength = 0;
16019 timeRemaining = whiteTimeRemaining -= lastTickLength;
16020 if(timeRemaining < 0 && !appData.icsActive) {
16021 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16022 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16023 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16024 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16027 DisplayWhiteClock(whiteTimeRemaining - fudge,
16028 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16030 if(blackNPS >= 0) lastTickLength = 0;
16031 timeRemaining = blackTimeRemaining -= lastTickLength;
16032 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16033 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16035 blackStartMove = forwardMostMove;
16036 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16039 DisplayBlackClock(blackTimeRemaining - fudge,
16040 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16042 if (CheckFlags()) return;
16045 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16046 StartClockTimer(intendedTickLength);
16048 /* if the time remaining has fallen below the alarm threshold, sound the
16049 * alarm. if the alarm has sounded and (due to a takeback or time control
16050 * with increment) the time remaining has increased to a level above the
16051 * threshold, reset the alarm so it can sound again.
16054 if (appData.icsActive && appData.icsAlarm) {
16056 /* make sure we are dealing with the user's clock */
16057 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16058 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16061 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16062 alarmSounded = FALSE;
16063 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16065 alarmSounded = TRUE;
16071 /* A player has just moved, so stop the previously running
16072 clock and (if in clock mode) start the other one.
16073 We redisplay both clocks in case we're in ICS mode, because
16074 ICS gives us an update to both clocks after every move.
16075 Note that this routine is called *after* forwardMostMove
16076 is updated, so the last fractional tick must be subtracted
16077 from the color that is *not* on move now.
16080 SwitchClocks(int newMoveNr)
16082 long lastTickLength;
16084 int flagged = FALSE;
16088 if (StopClockTimer() && appData.clockMode) {
16089 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16090 if (!WhiteOnMove(forwardMostMove)) {
16091 if(blackNPS >= 0) lastTickLength = 0;
16092 blackTimeRemaining -= lastTickLength;
16093 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16094 // if(pvInfoList[forwardMostMove].time == -1)
16095 pvInfoList[forwardMostMove].time = // use GUI time
16096 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16098 if(whiteNPS >= 0) lastTickLength = 0;
16099 whiteTimeRemaining -= lastTickLength;
16100 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16101 // if(pvInfoList[forwardMostMove].time == -1)
16102 pvInfoList[forwardMostMove].time =
16103 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16105 flagged = CheckFlags();
16107 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16108 CheckTimeControl();
16110 if (flagged || !appData.clockMode) return;
16112 switch (gameMode) {
16113 case MachinePlaysBlack:
16114 case MachinePlaysWhite:
16115 case BeginningOfGame:
16116 if (pausing) return;
16120 case PlayFromGameFile:
16128 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16129 if(WhiteOnMove(forwardMostMove))
16130 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16131 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16135 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16136 whiteTimeRemaining : blackTimeRemaining);
16137 StartClockTimer(intendedTickLength);
16141 /* Stop both clocks */
16145 long lastTickLength;
16148 if (!StopClockTimer()) return;
16149 if (!appData.clockMode) return;
16153 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16154 if (WhiteOnMove(forwardMostMove)) {
16155 if(whiteNPS >= 0) lastTickLength = 0;
16156 whiteTimeRemaining -= lastTickLength;
16157 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16159 if(blackNPS >= 0) lastTickLength = 0;
16160 blackTimeRemaining -= lastTickLength;
16161 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16166 /* Start clock of player on move. Time may have been reset, so
16167 if clock is already running, stop and restart it. */
16171 (void) StopClockTimer(); /* in case it was running already */
16172 DisplayBothClocks();
16173 if (CheckFlags()) return;
16175 if (!appData.clockMode) return;
16176 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16178 GetTimeMark(&tickStartTM);
16179 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16180 whiteTimeRemaining : blackTimeRemaining);
16182 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16183 whiteNPS = blackNPS = -1;
16184 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16185 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16186 whiteNPS = first.nps;
16187 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16188 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16189 blackNPS = first.nps;
16190 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16191 whiteNPS = second.nps;
16192 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16193 blackNPS = second.nps;
16194 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16196 StartClockTimer(intendedTickLength);
16203 long second, minute, hour, day;
16205 static char buf[32];
16207 if (ms > 0 && ms <= 9900) {
16208 /* convert milliseconds to tenths, rounding up */
16209 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16211 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16215 /* convert milliseconds to seconds, rounding up */
16216 /* use floating point to avoid strangeness of integer division
16217 with negative dividends on many machines */
16218 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16225 day = second / (60 * 60 * 24);
16226 second = second % (60 * 60 * 24);
16227 hour = second / (60 * 60);
16228 second = second % (60 * 60);
16229 minute = second / 60;
16230 second = second % 60;
16233 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16234 sign, day, hour, minute, second);
16236 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16238 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16245 * This is necessary because some C libraries aren't ANSI C compliant yet.
16248 StrStr(string, match)
16249 char *string, *match;
16253 length = strlen(match);
16255 for (i = strlen(string) - length; i >= 0; i--, string++)
16256 if (!strncmp(match, string, length))
16263 StrCaseStr(string, match)
16264 char *string, *match;
16268 length = strlen(match);
16270 for (i = strlen(string) - length; i >= 0; i--, string++) {
16271 for (j = 0; j < length; j++) {
16272 if (ToLower(match[j]) != ToLower(string[j]))
16275 if (j == length) return string;
16289 c1 = ToLower(*s1++);
16290 c2 = ToLower(*s2++);
16291 if (c1 > c2) return 1;
16292 if (c1 < c2) return -1;
16293 if (c1 == NULLCHAR) return 0;
16302 return isupper(c) ? tolower(c) : c;
16310 return islower(c) ? toupper(c) : c;
16312 #endif /* !_amigados */
16320 if ((ret = (char *) malloc(strlen(s) + 1)))
16322 safeStrCpy(ret, s, strlen(s)+1);
16328 StrSavePtr(s, savePtr)
16329 char *s, **savePtr;
16334 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16335 safeStrCpy(*savePtr, s, strlen(s)+1);
16347 clock = time((time_t *)NULL);
16348 tm = localtime(&clock);
16349 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16350 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16351 return StrSave(buf);
16356 PositionToFEN(move, overrideCastling)
16358 char *overrideCastling;
16360 int i, j, fromX, fromY, toX, toY;
16367 whiteToPlay = (gameMode == EditPosition) ?
16368 !blackPlaysFirst : (move % 2 == 0);
16371 /* Piece placement data */
16372 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16373 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16375 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16376 if (boards[move][i][j] == EmptySquare) {
16378 } else { ChessSquare piece = boards[move][i][j];
16379 if (emptycount > 0) {
16380 if(emptycount<10) /* [HGM] can be >= 10 */
16381 *p++ = '0' + emptycount;
16382 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16385 if(PieceToChar(piece) == '+') {
16386 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16388 piece = (ChessSquare)(DEMOTED piece);
16390 *p++ = PieceToChar(piece);
16392 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16393 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16398 if (emptycount > 0) {
16399 if(emptycount<10) /* [HGM] can be >= 10 */
16400 *p++ = '0' + emptycount;
16401 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16408 /* [HGM] print Crazyhouse or Shogi holdings */
16409 if( gameInfo.holdingsWidth ) {
16410 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16412 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16413 piece = boards[move][i][BOARD_WIDTH-1];
16414 if( piece != EmptySquare )
16415 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16416 *p++ = PieceToChar(piece);
16418 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16419 piece = boards[move][BOARD_HEIGHT-i-1][0];
16420 if( piece != EmptySquare )
16421 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16422 *p++ = PieceToChar(piece);
16425 if( q == p ) *p++ = '-';
16431 *p++ = whiteToPlay ? 'w' : 'b';
16434 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16435 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16437 if(nrCastlingRights) {
16439 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16440 /* [HGM] write directly from rights */
16441 if(boards[move][CASTLING][2] != NoRights &&
16442 boards[move][CASTLING][0] != NoRights )
16443 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16444 if(boards[move][CASTLING][2] != NoRights &&
16445 boards[move][CASTLING][1] != NoRights )
16446 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16447 if(boards[move][CASTLING][5] != NoRights &&
16448 boards[move][CASTLING][3] != NoRights )
16449 *p++ = boards[move][CASTLING][3] + AAA;
16450 if(boards[move][CASTLING][5] != NoRights &&
16451 boards[move][CASTLING][4] != NoRights )
16452 *p++ = boards[move][CASTLING][4] + AAA;
16455 /* [HGM] write true castling rights */
16456 if( nrCastlingRights == 6 ) {
16457 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16458 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16459 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16460 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16461 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16462 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16463 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16464 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16467 if (q == p) *p++ = '-'; /* No castling rights */
16471 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16472 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16473 /* En passant target square */
16474 if (move > backwardMostMove) {
16475 fromX = moveList[move - 1][0] - AAA;
16476 fromY = moveList[move - 1][1] - ONE;
16477 toX = moveList[move - 1][2] - AAA;
16478 toY = moveList[move - 1][3] - ONE;
16479 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16480 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16481 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16483 /* 2-square pawn move just happened */
16485 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16489 } else if(move == backwardMostMove) {
16490 // [HGM] perhaps we should always do it like this, and forget the above?
16491 if((signed char)boards[move][EP_STATUS] >= 0) {
16492 *p++ = boards[move][EP_STATUS] + AAA;
16493 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16504 /* [HGM] find reversible plies */
16505 { int i = 0, j=move;
16507 if (appData.debugMode) { int k;
16508 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16509 for(k=backwardMostMove; k<=forwardMostMove; k++)
16510 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16514 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16515 if( j == backwardMostMove ) i += initialRulePlies;
16516 sprintf(p, "%d ", i);
16517 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16519 /* Fullmove number */
16520 sprintf(p, "%d", (move / 2) + 1);
16522 return StrSave(buf);
16526 ParseFEN(board, blackPlaysFirst, fen)
16528 int *blackPlaysFirst;
16538 /* [HGM] by default clear Crazyhouse holdings, if present */
16539 if(gameInfo.holdingsWidth) {
16540 for(i=0; i<BOARD_HEIGHT; i++) {
16541 board[i][0] = EmptySquare; /* black holdings */
16542 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16543 board[i][1] = (ChessSquare) 0; /* black counts */
16544 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16548 /* Piece placement data */
16549 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16552 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16553 if (*p == '/') p++;
16554 emptycount = gameInfo.boardWidth - j;
16555 while (emptycount--)
16556 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16558 #if(BOARD_FILES >= 10)
16559 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16560 p++; emptycount=10;
16561 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16562 while (emptycount--)
16563 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16565 } else if (isdigit(*p)) {
16566 emptycount = *p++ - '0';
16567 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16568 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16569 while (emptycount--)
16570 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16571 } else if (*p == '+' || isalpha(*p)) {
16572 if (j >= gameInfo.boardWidth) return FALSE;
16574 piece = CharToPiece(*++p);
16575 if(piece == EmptySquare) return FALSE; /* unknown piece */
16576 piece = (ChessSquare) (PROMOTED piece ); p++;
16577 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16578 } else piece = CharToPiece(*p++);
16580 if(piece==EmptySquare) return FALSE; /* unknown piece */
16581 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16582 piece = (ChessSquare) (PROMOTED piece);
16583 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16586 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16592 while (*p == '/' || *p == ' ') p++;
16594 /* [HGM] look for Crazyhouse holdings here */
16595 while(*p==' ') p++;
16596 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16598 if(*p == '-' ) p++; /* empty holdings */ else {
16599 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16600 /* if we would allow FEN reading to set board size, we would */
16601 /* have to add holdings and shift the board read so far here */
16602 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16604 if((int) piece >= (int) BlackPawn ) {
16605 i = (int)piece - (int)BlackPawn;
16606 i = PieceToNumber((ChessSquare)i);
16607 if( i >= gameInfo.holdingsSize ) return FALSE;
16608 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16609 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16611 i = (int)piece - (int)WhitePawn;
16612 i = PieceToNumber((ChessSquare)i);
16613 if( i >= gameInfo.holdingsSize ) return FALSE;
16614 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16615 board[i][BOARD_WIDTH-2]++; /* black holdings */
16622 while(*p == ' ') p++;
16626 if(appData.colorNickNames) {
16627 if( c == appData.colorNickNames[0] ) c = 'w'; else
16628 if( c == appData.colorNickNames[1] ) c = 'b';
16632 *blackPlaysFirst = FALSE;
16635 *blackPlaysFirst = TRUE;
16641 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16642 /* return the extra info in global variiables */
16644 /* set defaults in case FEN is incomplete */
16645 board[EP_STATUS] = EP_UNKNOWN;
16646 for(i=0; i<nrCastlingRights; i++ ) {
16647 board[CASTLING][i] =
16648 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16649 } /* assume possible unless obviously impossible */
16650 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16651 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16652 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16653 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16654 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16655 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16656 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16657 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16660 while(*p==' ') p++;
16661 if(nrCastlingRights) {
16662 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16663 /* castling indicator present, so default becomes no castlings */
16664 for(i=0; i<nrCastlingRights; i++ ) {
16665 board[CASTLING][i] = NoRights;
16668 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16669 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16670 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16671 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16672 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16674 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16675 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16676 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16678 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16679 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16680 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16681 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16682 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16683 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16686 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16687 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16688 board[CASTLING][2] = whiteKingFile;
16691 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16692 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16693 board[CASTLING][2] = whiteKingFile;
16696 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16697 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16698 board[CASTLING][5] = blackKingFile;
16701 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16702 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16703 board[CASTLING][5] = blackKingFile;
16706 default: /* FRC castlings */
16707 if(c >= 'a') { /* black rights */
16708 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16709 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16710 if(i == BOARD_RGHT) break;
16711 board[CASTLING][5] = i;
16713 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16714 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16716 board[CASTLING][3] = c;
16718 board[CASTLING][4] = c;
16719 } else { /* white rights */
16720 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16721 if(board[0][i] == WhiteKing) break;
16722 if(i == BOARD_RGHT) break;
16723 board[CASTLING][2] = i;
16724 c -= AAA - 'a' + 'A';
16725 if(board[0][c] >= WhiteKing) break;
16727 board[CASTLING][0] = c;
16729 board[CASTLING][1] = c;
16733 for(i=0; i<nrCastlingRights; i++)
16734 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16735 if (appData.debugMode) {
16736 fprintf(debugFP, "FEN castling rights:");
16737 for(i=0; i<nrCastlingRights; i++)
16738 fprintf(debugFP, " %d", board[CASTLING][i]);
16739 fprintf(debugFP, "\n");
16742 while(*p==' ') p++;
16745 /* read e.p. field in games that know e.p. capture */
16746 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16747 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16749 p++; board[EP_STATUS] = EP_NONE;
16751 char c = *p++ - AAA;
16753 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16754 if(*p >= '0' && *p <='9') p++;
16755 board[EP_STATUS] = c;
16760 if(sscanf(p, "%d", &i) == 1) {
16761 FENrulePlies = i; /* 50-move ply counter */
16762 /* (The move number is still ignored) */
16769 EditPositionPasteFEN(char *fen)
16772 Board initial_position;
16774 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16775 DisplayError(_("Bad FEN position in clipboard"), 0);
16778 int savedBlackPlaysFirst = blackPlaysFirst;
16779 EditPositionEvent();
16780 blackPlaysFirst = savedBlackPlaysFirst;
16781 CopyBoard(boards[0], initial_position);
16782 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16783 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16784 DisplayBothClocks();
16785 DrawPosition(FALSE, boards[currentMove]);
16790 static char cseq[12] = "\\ ";
16792 Boolean set_cont_sequence(char *new_seq)
16797 // handle bad attempts to set the sequence
16799 return 0; // acceptable error - no debug
16801 len = strlen(new_seq);
16802 ret = (len > 0) && (len < sizeof(cseq));
16804 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16805 else if (appData.debugMode)
16806 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16811 reformat a source message so words don't cross the width boundary. internal
16812 newlines are not removed. returns the wrapped size (no null character unless
16813 included in source message). If dest is NULL, only calculate the size required
16814 for the dest buffer. lp argument indicats line position upon entry, and it's
16815 passed back upon exit.
16817 int wrap(char *dest, char *src, int count, int width, int *lp)
16819 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16821 cseq_len = strlen(cseq);
16822 old_line = line = *lp;
16823 ansi = len = clen = 0;
16825 for (i=0; i < count; i++)
16827 if (src[i] == '\033')
16830 // if we hit the width, back up
16831 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16833 // store i & len in case the word is too long
16834 old_i = i, old_len = len;
16836 // find the end of the last word
16837 while (i && src[i] != ' ' && src[i] != '\n')
16843 // word too long? restore i & len before splitting it
16844 if ((old_i-i+clen) >= width)
16851 if (i && src[i-1] == ' ')
16854 if (src[i] != ' ' && src[i] != '\n')
16861 // now append the newline and continuation sequence
16866 strncpy(dest+len, cseq, cseq_len);
16874 dest[len] = src[i];
16878 if (src[i] == '\n')
16883 if (dest && appData.debugMode)
16885 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16886 count, width, line, len, *lp);
16887 show_bytes(debugFP, src, count);
16888 fprintf(debugFP, "\ndest: ");
16889 show_bytes(debugFP, dest, len);
16890 fprintf(debugFP, "\n");
16892 *lp = dest ? line : old_line;
16897 // [HGM] vari: routines for shelving variations
16898 Boolean modeRestore = FALSE;
16901 PushInner(int firstMove, int lastMove)
16903 int i, j, nrMoves = lastMove - firstMove;
16905 // push current tail of game on stack
16906 savedResult[storedGames] = gameInfo.result;
16907 savedDetails[storedGames] = gameInfo.resultDetails;
16908 gameInfo.resultDetails = NULL;
16909 savedFirst[storedGames] = firstMove;
16910 savedLast [storedGames] = lastMove;
16911 savedFramePtr[storedGames] = framePtr;
16912 framePtr -= nrMoves; // reserve space for the boards
16913 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16914 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16915 for(j=0; j<MOVE_LEN; j++)
16916 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16917 for(j=0; j<2*MOVE_LEN; j++)
16918 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16919 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16920 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16921 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16922 pvInfoList[firstMove+i-1].depth = 0;
16923 commentList[framePtr+i] = commentList[firstMove+i];
16924 commentList[firstMove+i] = NULL;
16928 forwardMostMove = firstMove; // truncate game so we can start variation
16932 PushTail(int firstMove, int lastMove)
16934 if(appData.icsActive) { // only in local mode
16935 forwardMostMove = currentMove; // mimic old ICS behavior
16938 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16940 PushInner(firstMove, lastMove);
16941 if(storedGames == 1) GreyRevert(FALSE);
16942 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16946 PopInner(Boolean annotate)
16949 char buf[8000], moveBuf[20];
16951 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16952 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16953 nrMoves = savedLast[storedGames] - currentMove;
16956 if(!WhiteOnMove(currentMove))
16957 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16958 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16959 for(i=currentMove; i<forwardMostMove; i++) {
16961 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16962 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16963 strcat(buf, moveBuf);
16964 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16965 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16969 for(i=1; i<=nrMoves; i++) { // copy last variation back
16970 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16971 for(j=0; j<MOVE_LEN; j++)
16972 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16973 for(j=0; j<2*MOVE_LEN; j++)
16974 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16975 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16976 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16977 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16978 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16979 commentList[currentMove+i] = commentList[framePtr+i];
16980 commentList[framePtr+i] = NULL;
16982 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16983 framePtr = savedFramePtr[storedGames];
16984 gameInfo.result = savedResult[storedGames];
16985 if(gameInfo.resultDetails != NULL) {
16986 free(gameInfo.resultDetails);
16988 gameInfo.resultDetails = savedDetails[storedGames];
16989 forwardMostMove = currentMove + nrMoves;
16993 PopTail(Boolean annotate)
16995 if(appData.icsActive) return FALSE; // only in local mode
16996 if(!storedGames) return FALSE; // sanity
16997 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16999 PopInner(annotate);
17000 if(currentMove < forwardMostMove) ForwardEvent(); else
17001 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17003 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17009 { // remove all shelved variations
17011 for(i=0; i<storedGames; i++) {
17012 if(savedDetails[i])
17013 free(savedDetails[i]);
17014 savedDetails[i] = NULL;
17016 for(i=framePtr; i<MAX_MOVES; i++) {
17017 if(commentList[i]) free(commentList[i]);
17018 commentList[i] = NULL;
17020 framePtr = MAX_MOVES-1;
17025 LoadVariation(int index, char *text)
17026 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17027 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17028 int level = 0, move;
17030 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17031 // first find outermost bracketing variation
17032 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17033 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17034 if(*p == '{') wait = '}'; else
17035 if(*p == '[') wait = ']'; else
17036 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17037 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17039 if(*p == wait) wait = NULLCHAR; // closing ]} found
17042 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17043 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17044 end[1] = NULLCHAR; // clip off comment beyond variation
17045 ToNrEvent(currentMove-1);
17046 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17047 // kludge: use ParsePV() to append variation to game
17048 move = currentMove;
17049 ParsePV(start, TRUE, TRUE);
17050 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17051 ClearPremoveHighlights();
17053 ToNrEvent(currentMove+1);