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 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 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
140 /* A point in time */
142 long sec; /* Assuming this is >= 32 bits */
143 int ms; /* Assuming this is >= 16 bits */
146 int establish P((void));
147 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
148 char *buf, int count, int error));
149 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
150 char *buf, int count, int error));
151 void ics_printf P((char *format, ...));
152 void SendToICS P((char *s));
153 void SendToICSDelayed P((char *s, long msdelay));
154 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
156 void HandleMachineMove P((char *message, ChessProgramState *cps));
157 int AutoPlayOneMove P((void));
158 int LoadGameOneMove P((ChessMove readAhead));
159 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
160 int LoadPositionFromFile P((char *filename, int n, char *title));
161 int SavePositionToFile P((char *filename));
162 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 int Adjudicate P((ChessProgramState *cps));
171 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
172 void EditPositionDone P((Boolean fakeRights));
173 void PrintOpponents P((FILE *fp));
174 void PrintPosition P((FILE *fp, int move));
175 void StartChessProgram P((ChessProgramState *cps));
176 void SendToProgram P((char *message, ChessProgramState *cps));
177 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
178 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
179 char *buf, int count, int error));
180 void SendTimeControl P((ChessProgramState *cps,
181 int mps, long tc, int inc, int sd, int st));
182 char *TimeControlTagValue P((void));
183 void Attention P((ChessProgramState *cps));
184 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
185 void ResurrectChessProgram P((void));
186 void DisplayComment P((int moveNumber, char *text));
187 void DisplayMove P((int moveNumber));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void KeepAlive P((void));
192 void StartClocks P((void));
193 void SwitchClocks P((void));
194 void StopClocks P((void));
195 void ResetClocks P((void));
196 char *PGNDate P((void));
197 void SetGameInfo P((void));
198 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 void GetTimeMark P((TimeMark *));
208 long SubtractTimeMarks P((TimeMark *, TimeMark *));
209 int CheckFlags P((void));
210 long NextTickLength P((long));
211 void CheckTimeControl P((void));
212 void show_bytes P((FILE *, char *, int));
213 int string_to_rating P((char *str));
214 void ParseFeatures P((char* args, ChessProgramState *cps));
215 void InitBackEnd3 P((void));
216 void FeatureDone P((ChessProgramState* cps, int val));
217 void InitChessProgram P((ChessProgramState *cps, int setup));
218 void OutputKibitz(int window, char *text);
219 int PerpetualChase(int first, int last);
220 int EngineOutputIsUp();
221 void InitDrawingSizes(int x, int y);
224 extern void ConsoleCreate();
227 ChessProgramState *WhitePlayer();
228 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
229 int VerifyDisplayMode P(());
231 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
232 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
233 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
234 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
235 void ics_update_width P((int new_width));
236 extern char installDir[MSG_SIZ];
238 extern int tinyLayout, smallLayout;
239 ChessProgramStats programStats;
240 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
242 static int exiting = 0; /* [HGM] moved to top */
243 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
244 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
245 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
246 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
247 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
248 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
249 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
250 int opponentKibitzes;
251 int lastSavedGame; /* [HGM] save: ID of game */
252 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
253 extern int chatCount;
255 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
257 /* States for ics_getting_history */
259 #define H_REQUESTED 1
260 #define H_GOT_REQ_HEADER 2
261 #define H_GOT_UNREQ_HEADER 3
262 #define H_GETTING_MOVES 4
263 #define H_GOT_UNWANTED_HEADER 5
265 /* whosays values for GameEnds */
274 /* Maximum number of games in a cmail message */
275 #define CMAIL_MAX_GAMES 20
277 /* Different types of move when calling RegisterMove */
279 #define CMAIL_RESIGN 1
281 #define CMAIL_ACCEPT 3
283 /* Different types of result to remember for each game */
284 #define CMAIL_NOT_RESULT 0
285 #define CMAIL_OLD_RESULT 1
286 #define CMAIL_NEW_RESULT 2
288 /* Telnet protocol constants */
299 static char * safeStrCpy( char * dst, const char * src, size_t count )
301 assert( dst != NULL );
302 assert( src != NULL );
305 strncpy( dst, src, count );
306 dst[ count-1 ] = '\0';
310 /* Some compiler can't cast u64 to double
311 * This function do the job for us:
313 * We use the highest bit for cast, this only
314 * works if the highest bit is not
315 * in use (This should not happen)
317 * We used this for all compiler
320 u64ToDouble(u64 value)
323 u64 tmp = value & u64Const(0x7fffffffffffffff);
324 r = (double)(s64)tmp;
325 if (value & u64Const(0x8000000000000000))
326 r += 9.2233720368547758080e18; /* 2^63 */
330 /* Fake up flags for now, as we aren't keeping track of castling
331 availability yet. [HGM] Change of logic: the flag now only
332 indicates the type of castlings allowed by the rule of the game.
333 The actual rights themselves are maintained in the array
334 castlingRights, as part of the game history, and are not probed
340 int flags = F_ALL_CASTLE_OK;
341 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
342 switch (gameInfo.variant) {
344 flags &= ~F_ALL_CASTLE_OK;
345 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
346 flags |= F_IGNORE_CHECK;
348 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
351 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
353 case VariantKriegspiel:
354 flags |= F_KRIEGSPIEL_CAPTURE;
356 case VariantCapaRandom:
357 case VariantFischeRandom:
358 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
359 case VariantNoCastle:
360 case VariantShatranj:
363 flags &= ~F_ALL_CASTLE_OK;
371 FILE *gameFileFP, *debugFP;
374 [AS] Note: sometimes, the sscanf() function is used to parse the input
375 into a fixed-size buffer. Because of this, we must be prepared to
376 receive strings as long as the size of the input buffer, which is currently
377 set to 4K for Windows and 8K for the rest.
378 So, we must either allocate sufficiently large buffers here, or
379 reduce the size of the input buffer in the input reading part.
382 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
383 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
384 char thinkOutput1[MSG_SIZ*10];
386 ChessProgramState first, second;
388 /* premove variables */
391 int premoveFromX = 0;
392 int premoveFromY = 0;
393 int premovePromoChar = 0;
395 Boolean alarmSounded;
396 /* end premove variables */
398 char *ics_prefix = "$";
399 int ics_type = ICS_GENERIC;
401 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
402 int pauseExamForwardMostMove = 0;
403 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
404 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
405 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
406 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
407 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
408 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
409 int whiteFlag = FALSE, blackFlag = FALSE;
410 int userOfferedDraw = FALSE;
411 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
412 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
413 int cmailMoveType[CMAIL_MAX_GAMES];
414 long ics_clock_paused = 0;
415 ProcRef icsPR = NoProc, cmailPR = NoProc;
416 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
417 GameMode gameMode = BeginningOfGame;
418 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
419 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
420 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
421 int hiddenThinkOutputState = 0; /* [AS] */
422 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
423 int adjudicateLossPlies = 6;
424 char white_holding[64], black_holding[64];
425 TimeMark lastNodeCountTime;
426 long lastNodeCount=0;
427 int have_sent_ICS_logon = 0;
429 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
430 long timeControl_2; /* [AS] Allow separate time controls */
431 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
432 long timeRemaining[2][MAX_MOVES];
434 TimeMark programStartTime;
435 char ics_handle[MSG_SIZ];
436 int have_set_title = 0;
438 /* animateTraining preserves the state of appData.animate
439 * when Training mode is activated. This allows the
440 * response to be animated when appData.animate == TRUE and
441 * appData.animateDragging == TRUE.
443 Boolean animateTraining;
449 Board boards[MAX_MOVES];
450 /* [HGM] Following 7 needed for accurate legality tests: */
451 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
452 signed char initialRights[BOARD_FILES];
453 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
454 int initialRulePlies, FENrulePlies;
455 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
458 int mute; // mute all sounds
460 // [HGM] vari: next 12 to save and restore variations
461 #define MAX_VARIATIONS 10
462 int framePtr = MAX_MOVES-1; // points to free stack entry
464 int savedFirst[MAX_VARIATIONS];
465 int savedLast[MAX_VARIATIONS];
466 int savedFramePtr[MAX_VARIATIONS];
467 char *savedDetails[MAX_VARIATIONS];
468 ChessMove savedResult[MAX_VARIATIONS];
470 void PushTail P((int firstMove, int lastMove));
471 Boolean PopTail P((Boolean annotate));
472 void CleanupTail P((void));
474 ChessSquare FIDEArray[2][BOARD_FILES] = {
475 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
476 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
477 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
478 BlackKing, BlackBishop, BlackKnight, BlackRook }
481 ChessSquare twoKingsArray[2][BOARD_FILES] = {
482 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
483 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
484 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
485 BlackKing, BlackKing, BlackKnight, BlackRook }
488 ChessSquare KnightmateArray[2][BOARD_FILES] = {
489 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
490 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
491 { BlackRook, BlackMan, BlackBishop, BlackQueen,
492 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
495 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
496 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
497 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
498 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
499 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
502 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
503 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
504 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
505 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
506 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
509 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
510 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
511 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
512 { BlackRook, BlackKnight, BlackMan, BlackFerz,
513 BlackKing, BlackMan, BlackKnight, BlackRook }
517 #if (BOARD_FILES>=10)
518 ChessSquare ShogiArray[2][BOARD_FILES] = {
519 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
520 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
521 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
522 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
525 ChessSquare XiangqiArray[2][BOARD_FILES] = {
526 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
527 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
528 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
529 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
532 ChessSquare CapablancaArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
534 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
535 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
536 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
539 ChessSquare GreatArray[2][BOARD_FILES] = {
540 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
541 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
542 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
543 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
546 ChessSquare JanusArray[2][BOARD_FILES] = {
547 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
548 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
549 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
550 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
554 ChessSquare GothicArray[2][BOARD_FILES] = {
555 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
556 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
557 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
558 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
561 #define GothicArray CapablancaArray
565 ChessSquare FalconArray[2][BOARD_FILES] = {
566 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
567 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
568 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
569 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
572 #define FalconArray CapablancaArray
575 #else // !(BOARD_FILES>=10)
576 #define XiangqiPosition FIDEArray
577 #define CapablancaArray FIDEArray
578 #define GothicArray FIDEArray
579 #define GreatArray FIDEArray
580 #endif // !(BOARD_FILES>=10)
582 #if (BOARD_FILES>=12)
583 ChessSquare CourierArray[2][BOARD_FILES] = {
584 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
585 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
586 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
587 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
589 #else // !(BOARD_FILES>=12)
590 #define CourierArray CapablancaArray
591 #endif // !(BOARD_FILES>=12)
594 Board initialPosition;
597 /* Convert str to a rating. Checks for special cases of "----",
599 "++++", etc. Also strips ()'s */
601 string_to_rating(str)
604 while(*str && !isdigit(*str)) ++str;
606 return 0; /* One of the special "no rating" cases */
614 /* Init programStats */
615 programStats.movelist[0] = 0;
616 programStats.depth = 0;
617 programStats.nr_moves = 0;
618 programStats.moves_left = 0;
619 programStats.nodes = 0;
620 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
621 programStats.score = 0;
622 programStats.got_only_move = 0;
623 programStats.got_fail = 0;
624 programStats.line_is_book = 0;
630 int matched, min, sec;
632 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
634 GetTimeMark(&programStartTime);
635 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
638 programStats.ok_to_send = 1;
639 programStats.seen_stat = 0;
642 * Initialize game list
648 * Internet chess server status
650 if (appData.icsActive) {
651 appData.matchMode = FALSE;
652 appData.matchGames = 0;
654 appData.noChessProgram = !appData.zippyPlay;
656 appData.zippyPlay = FALSE;
657 appData.zippyTalk = FALSE;
658 appData.noChessProgram = TRUE;
660 if (*appData.icsHelper != NULLCHAR) {
661 appData.useTelnet = TRUE;
662 appData.telnetProgram = appData.icsHelper;
665 appData.zippyTalk = appData.zippyPlay = FALSE;
668 /* [AS] Initialize pv info list [HGM] and game state */
672 for( i=0; i<=framePtr; i++ ) {
673 pvInfoList[i].depth = -1;
674 boards[i][EP_STATUS] = EP_NONE;
675 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
680 * Parse timeControl resource
682 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
683 appData.movesPerSession)) {
685 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
686 DisplayFatalError(buf, 0, 2);
690 * Parse searchTime resource
692 if (*appData.searchTime != NULLCHAR) {
693 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
695 searchTime = min * 60;
696 } else if (matched == 2) {
697 searchTime = min * 60 + sec;
700 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
701 DisplayFatalError(buf, 0, 2);
705 /* [AS] Adjudication threshold */
706 adjudicateLossThreshold = appData.adjudicateLossThreshold;
708 first.which = "first";
709 second.which = "second";
710 first.maybeThinking = second.maybeThinking = FALSE;
711 first.pr = second.pr = NoProc;
712 first.isr = second.isr = NULL;
713 first.sendTime = second.sendTime = 2;
714 first.sendDrawOffers = 1;
715 if (appData.firstPlaysBlack) {
716 first.twoMachinesColor = "black\n";
717 second.twoMachinesColor = "white\n";
719 first.twoMachinesColor = "white\n";
720 second.twoMachinesColor = "black\n";
722 first.program = appData.firstChessProgram;
723 second.program = appData.secondChessProgram;
724 first.host = appData.firstHost;
725 second.host = appData.secondHost;
726 first.dir = appData.firstDirectory;
727 second.dir = appData.secondDirectory;
728 first.other = &second;
729 second.other = &first;
730 first.initString = appData.initString;
731 second.initString = appData.secondInitString;
732 first.computerString = appData.firstComputerString;
733 second.computerString = appData.secondComputerString;
734 first.useSigint = second.useSigint = TRUE;
735 first.useSigterm = second.useSigterm = TRUE;
736 first.reuse = appData.reuseFirst;
737 second.reuse = appData.reuseSecond;
738 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
739 second.nps = appData.secondNPS;
740 first.useSetboard = second.useSetboard = FALSE;
741 first.useSAN = second.useSAN = FALSE;
742 first.usePing = second.usePing = FALSE;
743 first.lastPing = second.lastPing = 0;
744 first.lastPong = second.lastPong = 0;
745 first.usePlayother = second.usePlayother = FALSE;
746 first.useColors = second.useColors = TRUE;
747 first.useUsermove = second.useUsermove = FALSE;
748 first.sendICS = second.sendICS = FALSE;
749 first.sendName = second.sendName = appData.icsActive;
750 first.sdKludge = second.sdKludge = FALSE;
751 first.stKludge = second.stKludge = FALSE;
752 TidyProgramName(first.program, first.host, first.tidy);
753 TidyProgramName(second.program, second.host, second.tidy);
754 first.matchWins = second.matchWins = 0;
755 strcpy(first.variants, appData.variant);
756 strcpy(second.variants, appData.variant);
757 first.analysisSupport = second.analysisSupport = 2; /* detect */
758 first.analyzing = second.analyzing = FALSE;
759 first.initDone = second.initDone = FALSE;
761 /* New features added by Tord: */
762 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
763 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
764 /* End of new features added by Tord. */
765 first.fenOverride = appData.fenOverride1;
766 second.fenOverride = appData.fenOverride2;
768 /* [HGM] time odds: set factor for each machine */
769 first.timeOdds = appData.firstTimeOdds;
770 second.timeOdds = appData.secondTimeOdds;
772 if(appData.timeOddsMode) {
773 norm = first.timeOdds;
774 if(norm > second.timeOdds) norm = second.timeOdds;
776 first.timeOdds /= norm;
777 second.timeOdds /= norm;
780 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
781 first.accumulateTC = appData.firstAccumulateTC;
782 second.accumulateTC = appData.secondAccumulateTC;
783 first.maxNrOfSessions = second.maxNrOfSessions = 1;
786 first.debug = second.debug = FALSE;
787 first.supportsNPS = second.supportsNPS = UNKNOWN;
790 first.optionSettings = appData.firstOptions;
791 second.optionSettings = appData.secondOptions;
793 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
794 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
795 first.isUCI = appData.firstIsUCI; /* [AS] */
796 second.isUCI = appData.secondIsUCI; /* [AS] */
797 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
798 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
800 if (appData.firstProtocolVersion > PROTOVER ||
801 appData.firstProtocolVersion < 1) {
803 sprintf(buf, _("protocol version %d not supported"),
804 appData.firstProtocolVersion);
805 DisplayFatalError(buf, 0, 2);
807 first.protocolVersion = appData.firstProtocolVersion;
810 if (appData.secondProtocolVersion > PROTOVER ||
811 appData.secondProtocolVersion < 1) {
813 sprintf(buf, _("protocol version %d not supported"),
814 appData.secondProtocolVersion);
815 DisplayFatalError(buf, 0, 2);
817 second.protocolVersion = appData.secondProtocolVersion;
820 if (appData.icsActive) {
821 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
822 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
823 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
824 appData.clockMode = FALSE;
825 first.sendTime = second.sendTime = 0;
829 /* Override some settings from environment variables, for backward
830 compatibility. Unfortunately it's not feasible to have the env
831 vars just set defaults, at least in xboard. Ugh.
833 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
838 if (appData.noChessProgram) {
839 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
840 sprintf(programVersion, "%s", PACKAGE_STRING);
842 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
843 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
844 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
847 if (!appData.icsActive) {
849 /* Check for variants that are supported only in ICS mode,
850 or not at all. Some that are accepted here nevertheless
851 have bugs; see comments below.
853 VariantClass variant = StringToVariant(appData.variant);
855 case VariantBughouse: /* need four players and two boards */
856 case VariantKriegspiel: /* need to hide pieces and move details */
857 /* case VariantFischeRandom: (Fabien: moved below) */
858 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
859 DisplayFatalError(buf, 0, 2);
863 case VariantLoadable:
873 sprintf(buf, _("Unknown variant name %s"), appData.variant);
874 DisplayFatalError(buf, 0, 2);
877 case VariantXiangqi: /* [HGM] repetition rules not implemented */
878 case VariantFairy: /* [HGM] TestLegality definitely off! */
879 case VariantGothic: /* [HGM] should work */
880 case VariantCapablanca: /* [HGM] should work */
881 case VariantCourier: /* [HGM] initial forced moves not implemented */
882 case VariantShogi: /* [HGM] drops not tested for legality */
883 case VariantKnightmate: /* [HGM] should work */
884 case VariantCylinder: /* [HGM] untested */
885 case VariantFalcon: /* [HGM] untested */
886 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
887 offboard interposition not understood */
888 case VariantNormal: /* definitely works! */
889 case VariantWildCastle: /* pieces not automatically shuffled */
890 case VariantNoCastle: /* pieces not automatically shuffled */
891 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
892 case VariantLosers: /* should work except for win condition,
893 and doesn't know captures are mandatory */
894 case VariantSuicide: /* should work except for win condition,
895 and doesn't know captures are mandatory */
896 case VariantGiveaway: /* should work except for win condition,
897 and doesn't know captures are mandatory */
898 case VariantTwoKings: /* should work */
899 case VariantAtomic: /* should work except for win condition */
900 case Variant3Check: /* should work except for win condition */
901 case VariantShatranj: /* should work except for all win conditions */
902 case VariantMakruk: /* should work except for daw countdown */
903 case VariantBerolina: /* might work if TestLegality is off */
904 case VariantCapaRandom: /* should work */
905 case VariantJanus: /* should work */
906 case VariantSuper: /* experimental */
907 case VariantGreat: /* experimental, requires legality testing to be off */
912 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
913 InitEngineUCI( installDir, &second );
916 int NextIntegerFromString( char ** str, long * value )
921 while( *s == ' ' || *s == '\t' ) {
927 if( *s >= '0' && *s <= '9' ) {
928 while( *s >= '0' && *s <= '9' ) {
929 *value = *value * 10 + (*s - '0');
941 int NextTimeControlFromString( char ** str, long * value )
944 int result = NextIntegerFromString( str, &temp );
947 *value = temp * 60; /* Minutes */
950 result = NextIntegerFromString( str, &temp );
951 *value += temp; /* Seconds */
958 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
959 { /* [HGM] routine added to read '+moves/time' for secondary time control */
960 int result = -1; long temp, temp2;
962 if(**str != '+') return -1; // old params remain in force!
964 if( NextTimeControlFromString( str, &temp ) ) return -1;
967 /* time only: incremental or sudden-death time control */
968 if(**str == '+') { /* increment follows; read it */
970 if(result = NextIntegerFromString( str, &temp2)) return -1;
973 *moves = 0; *tc = temp * 1000;
975 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
977 (*str)++; /* classical time control */
978 result = NextTimeControlFromString( str, &temp2);
987 int GetTimeQuota(int movenr)
988 { /* [HGM] get time to add from the multi-session time-control string */
989 int moves=1; /* kludge to force reading of first session */
990 long time, increment;
991 char *s = fullTimeControlString;
993 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
995 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
996 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
997 if(movenr == -1) return time; /* last move before new session */
998 if(!moves) return increment; /* current session is incremental */
999 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1000 } while(movenr >= -1); /* try again for next session */
1002 return 0; // no new time quota on this move
1006 ParseTimeControl(tc, ti, mps)
1015 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1018 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1019 else sprintf(buf, "+%s+%d", tc, ti);
1022 sprintf(buf, "+%d/%s", mps, tc);
1023 else sprintf(buf, "+%s", tc);
1025 fullTimeControlString = StrSave(buf);
1027 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1032 /* Parse second time control */
1035 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1043 timeControl_2 = tc2 * 1000;
1053 timeControl = tc1 * 1000;
1056 timeIncrement = ti * 1000; /* convert to ms */
1057 movesPerSession = 0;
1060 movesPerSession = mps;
1068 if (appData.debugMode) {
1069 fprintf(debugFP, "%s\n", programVersion);
1072 set_cont_sequence(appData.wrapContSeq);
1073 if (appData.matchGames > 0) {
1074 appData.matchMode = TRUE;
1075 } else if (appData.matchMode) {
1076 appData.matchGames = 1;
1078 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1079 appData.matchGames = appData.sameColorGames;
1080 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1081 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1082 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1085 if (appData.noChessProgram || first.protocolVersion == 1) {
1088 /* kludge: allow timeout for initial "feature" commands */
1090 DisplayMessage("", _("Starting chess program"));
1091 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1096 InitBackEnd3 P((void))
1098 GameMode initialMode;
1102 InitChessProgram(&first, startedFromSetupPosition);
1105 if (appData.icsActive) {
1107 /* [DM] Make a console window if needed [HGM] merged ifs */
1112 if (*appData.icsCommPort != NULLCHAR) {
1113 sprintf(buf, _("Could not open comm port %s"),
1114 appData.icsCommPort);
1116 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1117 appData.icsHost, appData.icsPort);
1119 DisplayFatalError(buf, err, 1);
1124 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1126 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1127 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1128 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1129 } else if (appData.noChessProgram) {
1135 if (*appData.cmailGameName != NULLCHAR) {
1137 OpenLoopback(&cmailPR);
1139 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1143 DisplayMessage("", "");
1144 if (StrCaseCmp(appData.initialMode, "") == 0) {
1145 initialMode = BeginningOfGame;
1146 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1147 initialMode = TwoMachinesPlay;
1148 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1149 initialMode = AnalyzeFile;
1150 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1151 initialMode = AnalyzeMode;
1152 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1153 initialMode = MachinePlaysWhite;
1154 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1155 initialMode = MachinePlaysBlack;
1156 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1157 initialMode = EditGame;
1158 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1159 initialMode = EditPosition;
1160 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1161 initialMode = Training;
1163 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1164 DisplayFatalError(buf, 0, 2);
1168 if (appData.matchMode) {
1169 /* Set up machine vs. machine match */
1170 if (appData.noChessProgram) {
1171 DisplayFatalError(_("Can't have a match with no chess programs"),
1177 if (*appData.loadGameFile != NULLCHAR) {
1178 int index = appData.loadGameIndex; // [HGM] autoinc
1179 if(index<0) lastIndex = index = 1;
1180 if (!LoadGameFromFile(appData.loadGameFile,
1182 appData.loadGameFile, FALSE)) {
1183 DisplayFatalError(_("Bad game file"), 0, 1);
1186 } else if (*appData.loadPositionFile != NULLCHAR) {
1187 int index = appData.loadPositionIndex; // [HGM] autoinc
1188 if(index<0) lastIndex = index = 1;
1189 if (!LoadPositionFromFile(appData.loadPositionFile,
1191 appData.loadPositionFile)) {
1192 DisplayFatalError(_("Bad position file"), 0, 1);
1197 } else if (*appData.cmailGameName != NULLCHAR) {
1198 /* Set up cmail mode */
1199 ReloadCmailMsgEvent(TRUE);
1201 /* Set up other modes */
1202 if (initialMode == AnalyzeFile) {
1203 if (*appData.loadGameFile == NULLCHAR) {
1204 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1208 if (*appData.loadGameFile != NULLCHAR) {
1209 (void) LoadGameFromFile(appData.loadGameFile,
1210 appData.loadGameIndex,
1211 appData.loadGameFile, TRUE);
1212 } else if (*appData.loadPositionFile != NULLCHAR) {
1213 (void) LoadPositionFromFile(appData.loadPositionFile,
1214 appData.loadPositionIndex,
1215 appData.loadPositionFile);
1216 /* [HGM] try to make self-starting even after FEN load */
1217 /* to allow automatic setup of fairy variants with wtm */
1218 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1219 gameMode = BeginningOfGame;
1220 setboardSpoiledMachineBlack = 1;
1222 /* [HGM] loadPos: make that every new game uses the setup */
1223 /* from file as long as we do not switch variant */
1224 if(!blackPlaysFirst) {
1225 startedFromPositionFile = TRUE;
1226 CopyBoard(filePosition, boards[0]);
1229 if (initialMode == AnalyzeMode) {
1230 if (appData.noChessProgram) {
1231 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1234 if (appData.icsActive) {
1235 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1239 } else if (initialMode == AnalyzeFile) {
1240 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1241 ShowThinkingEvent();
1243 AnalysisPeriodicEvent(1);
1244 } else if (initialMode == MachinePlaysWhite) {
1245 if (appData.noChessProgram) {
1246 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1250 if (appData.icsActive) {
1251 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1255 MachineWhiteEvent();
1256 } else if (initialMode == MachinePlaysBlack) {
1257 if (appData.noChessProgram) {
1258 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1262 if (appData.icsActive) {
1263 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1267 MachineBlackEvent();
1268 } else if (initialMode == TwoMachinesPlay) {
1269 if (appData.noChessProgram) {
1270 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1274 if (appData.icsActive) {
1275 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1280 } else if (initialMode == EditGame) {
1282 } else if (initialMode == EditPosition) {
1283 EditPositionEvent();
1284 } else if (initialMode == Training) {
1285 if (*appData.loadGameFile == NULLCHAR) {
1286 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1295 * Establish will establish a contact to a remote host.port.
1296 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1297 * used to talk to the host.
1298 * Returns 0 if okay, error code if not.
1305 if (*appData.icsCommPort != NULLCHAR) {
1306 /* Talk to the host through a serial comm port */
1307 return OpenCommPort(appData.icsCommPort, &icsPR);
1309 } else if (*appData.gateway != NULLCHAR) {
1310 if (*appData.remoteShell == NULLCHAR) {
1311 /* Use the rcmd protocol to run telnet program on a gateway host */
1312 snprintf(buf, sizeof(buf), "%s %s %s",
1313 appData.telnetProgram, appData.icsHost, appData.icsPort);
1314 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1317 /* Use the rsh program to run telnet program on a gateway host */
1318 if (*appData.remoteUser == NULLCHAR) {
1319 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1320 appData.gateway, appData.telnetProgram,
1321 appData.icsHost, appData.icsPort);
1323 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1324 appData.remoteShell, appData.gateway,
1325 appData.remoteUser, appData.telnetProgram,
1326 appData.icsHost, appData.icsPort);
1328 return StartChildProcess(buf, "", &icsPR);
1331 } else if (appData.useTelnet) {
1332 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1335 /* TCP socket interface differs somewhat between
1336 Unix and NT; handle details in the front end.
1338 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1343 show_bytes(fp, buf, count)
1349 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1350 fprintf(fp, "\\%03o", *buf & 0xff);
1359 /* Returns an errno value */
1361 OutputMaybeTelnet(pr, message, count, outError)
1367 char buf[8192], *p, *q, *buflim;
1368 int left, newcount, outcount;
1370 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1371 *appData.gateway != NULLCHAR) {
1372 if (appData.debugMode) {
1373 fprintf(debugFP, ">ICS: ");
1374 show_bytes(debugFP, message, count);
1375 fprintf(debugFP, "\n");
1377 return OutputToProcess(pr, message, count, outError);
1380 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1387 if (appData.debugMode) {
1388 fprintf(debugFP, ">ICS: ");
1389 show_bytes(debugFP, buf, newcount);
1390 fprintf(debugFP, "\n");
1392 outcount = OutputToProcess(pr, buf, newcount, outError);
1393 if (outcount < newcount) return -1; /* to be sure */
1400 } else if (((unsigned char) *p) == TN_IAC) {
1401 *q++ = (char) TN_IAC;
1408 if (appData.debugMode) {
1409 fprintf(debugFP, ">ICS: ");
1410 show_bytes(debugFP, buf, newcount);
1411 fprintf(debugFP, "\n");
1413 outcount = OutputToProcess(pr, buf, newcount, outError);
1414 if (outcount < newcount) return -1; /* to be sure */
1419 read_from_player(isr, closure, message, count, error)
1426 int outError, outCount;
1427 static int gotEof = 0;
1429 /* Pass data read from player on to ICS */
1432 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1433 if (outCount < count) {
1434 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1436 } else if (count < 0) {
1437 RemoveInputSource(isr);
1438 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1439 } else if (gotEof++ > 0) {
1440 RemoveInputSource(isr);
1441 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1447 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1448 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1449 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1450 SendToICS("date\n");
1451 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1454 /* added routine for printf style output to ics */
1455 void ics_printf(char *format, ...)
1457 char buffer[MSG_SIZ];
1460 va_start(args, format);
1461 vsnprintf(buffer, sizeof(buffer), format, args);
1462 buffer[sizeof(buffer)-1] = '\0';
1471 int count, outCount, outError;
1473 if (icsPR == NULL) return;
1476 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1477 if (outCount < count) {
1478 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1482 /* This is used for sending logon scripts to the ICS. Sending
1483 without a delay causes problems when using timestamp on ICC
1484 (at least on my machine). */
1486 SendToICSDelayed(s,msdelay)
1490 int count, outCount, outError;
1492 if (icsPR == NULL) return;
1495 if (appData.debugMode) {
1496 fprintf(debugFP, ">ICS: ");
1497 show_bytes(debugFP, s, count);
1498 fprintf(debugFP, "\n");
1500 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1502 if (outCount < count) {
1503 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1508 /* Remove all highlighting escape sequences in s
1509 Also deletes any suffix starting with '('
1512 StripHighlightAndTitle(s)
1515 static char retbuf[MSG_SIZ];
1518 while (*s != NULLCHAR) {
1519 while (*s == '\033') {
1520 while (*s != NULLCHAR && !isalpha(*s)) s++;
1521 if (*s != NULLCHAR) s++;
1523 while (*s != NULLCHAR && *s != '\033') {
1524 if (*s == '(' || *s == '[') {
1535 /* Remove all highlighting escape sequences in s */
1540 static char retbuf[MSG_SIZ];
1543 while (*s != NULLCHAR) {
1544 while (*s == '\033') {
1545 while (*s != NULLCHAR && !isalpha(*s)) s++;
1546 if (*s != NULLCHAR) s++;
1548 while (*s != NULLCHAR && *s != '\033') {
1556 char *variantNames[] = VARIANT_NAMES;
1561 return variantNames[v];
1565 /* Identify a variant from the strings the chess servers use or the
1566 PGN Variant tag names we use. */
1573 VariantClass v = VariantNormal;
1574 int i, found = FALSE;
1579 /* [HGM] skip over optional board-size prefixes */
1580 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1581 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1582 while( *e++ != '_');
1585 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1589 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1590 if (StrCaseStr(e, variantNames[i])) {
1591 v = (VariantClass) i;
1598 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1599 || StrCaseStr(e, "wild/fr")
1600 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1601 v = VariantFischeRandom;
1602 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1603 (i = 1, p = StrCaseStr(e, "w"))) {
1605 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1612 case 0: /* FICS only, actually */
1614 /* Castling legal even if K starts on d-file */
1615 v = VariantWildCastle;
1620 /* Castling illegal even if K & R happen to start in
1621 normal positions. */
1622 v = VariantNoCastle;
1635 /* Castling legal iff K & R start in normal positions */
1641 /* Special wilds for position setup; unclear what to do here */
1642 v = VariantLoadable;
1645 /* Bizarre ICC game */
1646 v = VariantTwoKings;
1649 v = VariantKriegspiel;
1655 v = VariantFischeRandom;
1658 v = VariantCrazyhouse;
1661 v = VariantBughouse;
1667 /* Not quite the same as FICS suicide! */
1668 v = VariantGiveaway;
1674 v = VariantShatranj;
1677 /* Temporary names for future ICC types. The name *will* change in
1678 the next xboard/WinBoard release after ICC defines it. */
1716 v = VariantCapablanca;
1719 v = VariantKnightmate;
1725 v = VariantCylinder;
1731 v = VariantCapaRandom;
1734 v = VariantBerolina;
1746 /* Found "wild" or "w" in the string but no number;
1747 must assume it's normal chess. */
1751 sprintf(buf, _("Unknown wild type %d"), wnum);
1752 DisplayError(buf, 0);
1758 if (appData.debugMode) {
1759 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1760 e, wnum, VariantName(v));
1765 static int leftover_start = 0, leftover_len = 0;
1766 char star_match[STAR_MATCH_N][MSG_SIZ];
1768 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1769 advance *index beyond it, and set leftover_start to the new value of
1770 *index; else return FALSE. If pattern contains the character '*', it
1771 matches any sequence of characters not containing '\r', '\n', or the
1772 character following the '*' (if any), and the matched sequence(s) are
1773 copied into star_match.
1776 looking_at(buf, index, pattern)
1781 char *bufp = &buf[*index], *patternp = pattern;
1783 char *matchp = star_match[0];
1786 if (*patternp == NULLCHAR) {
1787 *index = leftover_start = bufp - buf;
1791 if (*bufp == NULLCHAR) return FALSE;
1792 if (*patternp == '*') {
1793 if (*bufp == *(patternp + 1)) {
1795 matchp = star_match[++star_count];
1799 } else if (*bufp == '\n' || *bufp == '\r') {
1801 if (*patternp == NULLCHAR)
1806 *matchp++ = *bufp++;
1810 if (*patternp != *bufp) return FALSE;
1817 SendToPlayer(data, length)
1821 int error, outCount;
1822 outCount = OutputToProcess(NoProc, data, length, &error);
1823 if (outCount < length) {
1824 DisplayFatalError(_("Error writing to display"), error, 1);
1829 PackHolding(packed, holding)
1841 switch (runlength) {
1852 sprintf(q, "%d", runlength);
1864 /* Telnet protocol requests from the front end */
1866 TelnetRequest(ddww, option)
1867 unsigned char ddww, option;
1869 unsigned char msg[3];
1870 int outCount, outError;
1872 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1874 if (appData.debugMode) {
1875 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1891 sprintf(buf1, "%d", ddww);
1900 sprintf(buf2, "%d", option);
1903 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1908 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1910 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1917 if (!appData.icsActive) return;
1918 TelnetRequest(TN_DO, TN_ECHO);
1924 if (!appData.icsActive) return;
1925 TelnetRequest(TN_DONT, TN_ECHO);
1929 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1931 /* put the holdings sent to us by the server on the board holdings area */
1932 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1936 if(gameInfo.holdingsWidth < 2) return;
1937 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1938 return; // prevent overwriting by pre-board holdings
1940 if( (int)lowestPiece >= BlackPawn ) {
1943 holdingsStartRow = BOARD_HEIGHT-1;
1946 holdingsColumn = BOARD_WIDTH-1;
1947 countsColumn = BOARD_WIDTH-2;
1948 holdingsStartRow = 0;
1952 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1953 board[i][holdingsColumn] = EmptySquare;
1954 board[i][countsColumn] = (ChessSquare) 0;
1956 while( (p=*holdings++) != NULLCHAR ) {
1957 piece = CharToPiece( ToUpper(p) );
1958 if(piece == EmptySquare) continue;
1959 /*j = (int) piece - (int) WhitePawn;*/
1960 j = PieceToNumber(piece);
1961 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1962 if(j < 0) continue; /* should not happen */
1963 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1964 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1965 board[holdingsStartRow+j*direction][countsColumn]++;
1971 VariantSwitch(Board board, VariantClass newVariant)
1973 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1976 startedFromPositionFile = FALSE;
1977 if(gameInfo.variant == newVariant) return;
1979 /* [HGM] This routine is called each time an assignment is made to
1980 * gameInfo.variant during a game, to make sure the board sizes
1981 * are set to match the new variant. If that means adding or deleting
1982 * holdings, we shift the playing board accordingly
1983 * This kludge is needed because in ICS observe mode, we get boards
1984 * of an ongoing game without knowing the variant, and learn about the
1985 * latter only later. This can be because of the move list we requested,
1986 * in which case the game history is refilled from the beginning anyway,
1987 * but also when receiving holdings of a crazyhouse game. In the latter
1988 * case we want to add those holdings to the already received position.
1992 if (appData.debugMode) {
1993 fprintf(debugFP, "Switch board from %s to %s\n",
1994 VariantName(gameInfo.variant), VariantName(newVariant));
1995 setbuf(debugFP, NULL);
1997 shuffleOpenings = 0; /* [HGM] shuffle */
1998 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2002 newWidth = 9; newHeight = 9;
2003 gameInfo.holdingsSize = 7;
2004 case VariantBughouse:
2005 case VariantCrazyhouse:
2006 newHoldingsWidth = 2; break;
2010 newHoldingsWidth = 2;
2011 gameInfo.holdingsSize = 8;
2014 case VariantCapablanca:
2015 case VariantCapaRandom:
2018 newHoldingsWidth = gameInfo.holdingsSize = 0;
2021 if(newWidth != gameInfo.boardWidth ||
2022 newHeight != gameInfo.boardHeight ||
2023 newHoldingsWidth != gameInfo.holdingsWidth ) {
2025 /* shift position to new playing area, if needed */
2026 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2027 for(i=0; i<BOARD_HEIGHT; i++)
2028 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2029 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2031 for(i=0; i<newHeight; i++) {
2032 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2033 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2035 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2036 for(i=0; i<BOARD_HEIGHT; i++)
2037 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2038 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2041 gameInfo.boardWidth = newWidth;
2042 gameInfo.boardHeight = newHeight;
2043 gameInfo.holdingsWidth = newHoldingsWidth;
2044 gameInfo.variant = newVariant;
2045 InitDrawingSizes(-2, 0);
2046 } else gameInfo.variant = newVariant;
2047 CopyBoard(oldBoard, board); // remember correctly formatted board
2048 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2049 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2052 static int loggedOn = FALSE;
2054 /*-- Game start info cache: --*/
2056 char gs_kind[MSG_SIZ];
2057 static char player1Name[128] = "";
2058 static char player2Name[128] = "";
2059 static char cont_seq[] = "\n\\ ";
2060 static int player1Rating = -1;
2061 static int player2Rating = -1;
2062 /*----------------------------*/
2064 ColorClass curColor = ColorNormal;
2065 int suppressKibitz = 0;
2068 read_from_ics(isr, closure, data, count, error)
2075 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2076 #define STARTED_NONE 0
2077 #define STARTED_MOVES 1
2078 #define STARTED_BOARD 2
2079 #define STARTED_OBSERVE 3
2080 #define STARTED_HOLDINGS 4
2081 #define STARTED_CHATTER 5
2082 #define STARTED_COMMENT 6
2083 #define STARTED_MOVES_NOHIDE 7
2085 static int started = STARTED_NONE;
2086 static char parse[20000];
2087 static int parse_pos = 0;
2088 static char buf[BUF_SIZE + 1];
2089 static int firstTime = TRUE, intfSet = FALSE;
2090 static ColorClass prevColor = ColorNormal;
2091 static int savingComment = FALSE;
2092 static int cmatch = 0; // continuation sequence match
2099 int backup; /* [DM] For zippy color lines */
2101 char talker[MSG_SIZ]; // [HGM] chat
2104 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2106 if (appData.debugMode) {
2108 fprintf(debugFP, "<ICS: ");
2109 show_bytes(debugFP, data, count);
2110 fprintf(debugFP, "\n");
2114 if (appData.debugMode) { int f = forwardMostMove;
2115 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2116 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2117 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2120 /* If last read ended with a partial line that we couldn't parse,
2121 prepend it to the new read and try again. */
2122 if (leftover_len > 0) {
2123 for (i=0; i<leftover_len; i++)
2124 buf[i] = buf[leftover_start + i];
2127 /* copy new characters into the buffer */
2128 bp = buf + leftover_len;
2129 buf_len=leftover_len;
2130 for (i=0; i<count; i++)
2133 if (data[i] == '\r')
2136 // join lines split by ICS?
2137 if (!appData.noJoin)
2140 Joining just consists of finding matches against the
2141 continuation sequence, and discarding that sequence
2142 if found instead of copying it. So, until a match
2143 fails, there's nothing to do since it might be the
2144 complete sequence, and thus, something we don't want
2147 if (data[i] == cont_seq[cmatch])
2150 if (cmatch == strlen(cont_seq))
2152 cmatch = 0; // complete match. just reset the counter
2155 it's possible for the ICS to not include the space
2156 at the end of the last word, making our [correct]
2157 join operation fuse two separate words. the server
2158 does this when the space occurs at the width setting.
2160 if (!buf_len || buf[buf_len-1] != ' ')
2171 match failed, so we have to copy what matched before
2172 falling through and copying this character. In reality,
2173 this will only ever be just the newline character, but
2174 it doesn't hurt to be precise.
2176 strncpy(bp, cont_seq, cmatch);
2188 buf[buf_len] = NULLCHAR;
2189 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2194 while (i < buf_len) {
2195 /* Deal with part of the TELNET option negotiation
2196 protocol. We refuse to do anything beyond the
2197 defaults, except that we allow the WILL ECHO option,
2198 which ICS uses to turn off password echoing when we are
2199 directly connected to it. We reject this option
2200 if localLineEditing mode is on (always on in xboard)
2201 and we are talking to port 23, which might be a real
2202 telnet server that will try to keep WILL ECHO on permanently.
2204 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2205 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2206 unsigned char option;
2208 switch ((unsigned char) buf[++i]) {
2210 if (appData.debugMode)
2211 fprintf(debugFP, "\n<WILL ");
2212 switch (option = (unsigned char) buf[++i]) {
2214 if (appData.debugMode)
2215 fprintf(debugFP, "ECHO ");
2216 /* Reply only if this is a change, according
2217 to the protocol rules. */
2218 if (remoteEchoOption) break;
2219 if (appData.localLineEditing &&
2220 atoi(appData.icsPort) == TN_PORT) {
2221 TelnetRequest(TN_DONT, TN_ECHO);
2224 TelnetRequest(TN_DO, TN_ECHO);
2225 remoteEchoOption = TRUE;
2229 if (appData.debugMode)
2230 fprintf(debugFP, "%d ", option);
2231 /* Whatever this is, we don't want it. */
2232 TelnetRequest(TN_DONT, option);
2237 if (appData.debugMode)
2238 fprintf(debugFP, "\n<WONT ");
2239 switch (option = (unsigned char) buf[++i]) {
2241 if (appData.debugMode)
2242 fprintf(debugFP, "ECHO ");
2243 /* Reply only if this is a change, according
2244 to the protocol rules. */
2245 if (!remoteEchoOption) break;
2247 TelnetRequest(TN_DONT, TN_ECHO);
2248 remoteEchoOption = FALSE;
2251 if (appData.debugMode)
2252 fprintf(debugFP, "%d ", (unsigned char) option);
2253 /* Whatever this is, it must already be turned
2254 off, because we never agree to turn on
2255 anything non-default, so according to the
2256 protocol rules, we don't reply. */
2261 if (appData.debugMode)
2262 fprintf(debugFP, "\n<DO ");
2263 switch (option = (unsigned char) buf[++i]) {
2265 /* Whatever this is, we refuse to do it. */
2266 if (appData.debugMode)
2267 fprintf(debugFP, "%d ", option);
2268 TelnetRequest(TN_WONT, option);
2273 if (appData.debugMode)
2274 fprintf(debugFP, "\n<DONT ");
2275 switch (option = (unsigned char) buf[++i]) {
2277 if (appData.debugMode)
2278 fprintf(debugFP, "%d ", option);
2279 /* Whatever this is, we are already not doing
2280 it, because we never agree to do anything
2281 non-default, so according to the protocol
2282 rules, we don't reply. */
2287 if (appData.debugMode)
2288 fprintf(debugFP, "\n<IAC ");
2289 /* Doubled IAC; pass it through */
2293 if (appData.debugMode)
2294 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2295 /* Drop all other telnet commands on the floor */
2298 if (oldi > next_out)
2299 SendToPlayer(&buf[next_out], oldi - next_out);
2305 /* OK, this at least will *usually* work */
2306 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2310 if (loggedOn && !intfSet) {
2311 if (ics_type == ICS_ICC) {
2313 "/set-quietly interface %s\n/set-quietly style 12\n",
2315 } else if (ics_type == ICS_CHESSNET) {
2316 sprintf(str, "/style 12\n");
2318 strcpy(str, "alias $ @\n$set interface ");
2319 strcat(str, programVersion);
2320 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2322 strcat(str, "$iset nohighlight 1\n");
2324 strcat(str, "$iset lock 1\n$style 12\n");
2327 NotifyFrontendLogin();
2331 if (started == STARTED_COMMENT) {
2332 /* Accumulate characters in comment */
2333 parse[parse_pos++] = buf[i];
2334 if (buf[i] == '\n') {
2335 parse[parse_pos] = NULLCHAR;
2336 if(chattingPartner>=0) {
2338 sprintf(mess, "%s%s", talker, parse);
2339 OutputChatMessage(chattingPartner, mess);
2340 chattingPartner = -1;
2342 if(!suppressKibitz) // [HGM] kibitz
2343 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2344 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2345 int nrDigit = 0, nrAlph = 0, j;
2346 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2347 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2348 parse[parse_pos] = NULLCHAR;
2349 // try to be smart: if it does not look like search info, it should go to
2350 // ICS interaction window after all, not to engine-output window.
2351 for(j=0; j<parse_pos; j++) { // count letters and digits
2352 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2353 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2354 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2356 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2357 int depth=0; float score;
2358 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2359 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2360 pvInfoList[forwardMostMove-1].depth = depth;
2361 pvInfoList[forwardMostMove-1].score = 100*score;
2363 OutputKibitz(suppressKibitz, parse);
2364 next_out = i+1; // [HGM] suppress printing in ICS window
2367 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2368 SendToPlayer(tmp, strlen(tmp));
2371 started = STARTED_NONE;
2373 /* Don't match patterns against characters in comment */
2378 if (started == STARTED_CHATTER) {
2379 if (buf[i] != '\n') {
2380 /* Don't match patterns against characters in chatter */
2384 started = STARTED_NONE;
2387 /* Kludge to deal with rcmd protocol */
2388 if (firstTime && looking_at(buf, &i, "\001*")) {
2389 DisplayFatalError(&buf[1], 0, 1);
2395 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2398 if (appData.debugMode)
2399 fprintf(debugFP, "ics_type %d\n", ics_type);
2402 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2403 ics_type = ICS_FICS;
2405 if (appData.debugMode)
2406 fprintf(debugFP, "ics_type %d\n", ics_type);
2409 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2410 ics_type = ICS_CHESSNET;
2412 if (appData.debugMode)
2413 fprintf(debugFP, "ics_type %d\n", ics_type);
2418 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2419 looking_at(buf, &i, "Logging you in as \"*\"") ||
2420 looking_at(buf, &i, "will be \"*\""))) {
2421 strcpy(ics_handle, star_match[0]);
2425 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2427 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2428 DisplayIcsInteractionTitle(buf);
2429 have_set_title = TRUE;
2432 /* skip finger notes */
2433 if (started == STARTED_NONE &&
2434 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2435 (buf[i] == '1' && buf[i+1] == '0')) &&
2436 buf[i+2] == ':' && buf[i+3] == ' ') {
2437 started = STARTED_CHATTER;
2442 /* skip formula vars */
2443 if (started == STARTED_NONE &&
2444 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2445 started = STARTED_CHATTER;
2451 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2452 if (appData.autoKibitz && started == STARTED_NONE &&
2453 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2454 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2455 if(looking_at(buf, &i, "* kibitzes: ") &&
2456 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2457 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2458 suppressKibitz = TRUE;
2459 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2460 && (gameMode == IcsPlayingWhite)) ||
2461 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2462 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2463 started = STARTED_CHATTER; // own kibitz we simply discard
2465 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2466 parse_pos = 0; parse[0] = NULLCHAR;
2467 savingComment = TRUE;
2468 suppressKibitz = gameMode != IcsObserving ? 2 :
2469 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2473 if(looking_at(buf, &i, "kibitzed to *\n") && atoi(star_match[0])) {
2474 // suppress the acknowledgements of our own autoKibitz
2475 SendToPlayer(star_match[0], strlen(star_match[0]));
2476 looking_at(buf, &i, "*% "); // eat prompt
2479 } // [HGM] kibitz: end of patch
2481 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2483 // [HGM] chat: intercept tells by users for which we have an open chat window
2485 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2486 looking_at(buf, &i, "* whispers:") ||
2487 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2488 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2490 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2491 chattingPartner = -1;
2493 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2494 for(p=0; p<MAX_CHAT; p++) {
2495 if(channel == atoi(chatPartner[p])) {
2496 talker[0] = '['; strcat(talker, "]");
2497 chattingPartner = p; break;
2500 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2501 for(p=0; p<MAX_CHAT; p++) {
2502 if(!strcmp("WHISPER", chatPartner[p])) {
2503 talker[0] = '['; strcat(talker, "]");
2504 chattingPartner = p; break;
2507 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2508 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2510 chattingPartner = p; break;
2512 if(chattingPartner<0) i = oldi; else {
2513 started = STARTED_COMMENT;
2514 parse_pos = 0; parse[0] = NULLCHAR;
2515 savingComment = TRUE;
2516 suppressKibitz = TRUE;
2518 } // [HGM] chat: end of patch
2520 if (appData.zippyTalk || appData.zippyPlay) {
2521 /* [DM] Backup address for color zippy lines */
2525 if (loggedOn == TRUE)
2526 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2527 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2529 if (ZippyControl(buf, &i) ||
2530 ZippyConverse(buf, &i) ||
2531 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2533 if (!appData.colorize) continue;
2537 } // [DM] 'else { ' deleted
2539 /* Regular tells and says */
2540 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2541 looking_at(buf, &i, "* (your partner) tells you: ") ||
2542 looking_at(buf, &i, "* says: ") ||
2543 /* Don't color "message" or "messages" output */
2544 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2545 looking_at(buf, &i, "*. * at *:*: ") ||
2546 looking_at(buf, &i, "--* (*:*): ") ||
2547 /* Message notifications (same color as tells) */
2548 looking_at(buf, &i, "* has left a message ") ||
2549 looking_at(buf, &i, "* just sent you a message:\n") ||
2550 /* Whispers and kibitzes */
2551 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2552 looking_at(buf, &i, "* kibitzes: ") ||
2554 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2556 if (tkind == 1 && strchr(star_match[0], ':')) {
2557 /* Avoid "tells you:" spoofs in channels */
2560 if (star_match[0][0] == NULLCHAR ||
2561 strchr(star_match[0], ' ') ||
2562 (tkind == 3 && strchr(star_match[1], ' '))) {
2563 /* Reject bogus matches */
2566 if (appData.colorize) {
2567 if (oldi > next_out) {
2568 SendToPlayer(&buf[next_out], oldi - next_out);
2573 Colorize(ColorTell, FALSE);
2574 curColor = ColorTell;
2577 Colorize(ColorKibitz, FALSE);
2578 curColor = ColorKibitz;
2581 p = strrchr(star_match[1], '(');
2588 Colorize(ColorChannel1, FALSE);
2589 curColor = ColorChannel1;
2591 Colorize(ColorChannel, FALSE);
2592 curColor = ColorChannel;
2596 curColor = ColorNormal;
2600 if (started == STARTED_NONE && appData.autoComment &&
2601 (gameMode == IcsObserving ||
2602 gameMode == IcsPlayingWhite ||
2603 gameMode == IcsPlayingBlack)) {
2604 parse_pos = i - oldi;
2605 memcpy(parse, &buf[oldi], parse_pos);
2606 parse[parse_pos] = NULLCHAR;
2607 started = STARTED_COMMENT;
2608 savingComment = TRUE;
2610 started = STARTED_CHATTER;
2611 savingComment = FALSE;
2618 if (looking_at(buf, &i, "* s-shouts: ") ||
2619 looking_at(buf, &i, "* c-shouts: ")) {
2620 if (appData.colorize) {
2621 if (oldi > next_out) {
2622 SendToPlayer(&buf[next_out], oldi - next_out);
2625 Colorize(ColorSShout, FALSE);
2626 curColor = ColorSShout;
2629 started = STARTED_CHATTER;
2633 if (looking_at(buf, &i, "--->")) {
2638 if (looking_at(buf, &i, "* shouts: ") ||
2639 looking_at(buf, &i, "--> ")) {
2640 if (appData.colorize) {
2641 if (oldi > next_out) {
2642 SendToPlayer(&buf[next_out], oldi - next_out);
2645 Colorize(ColorShout, FALSE);
2646 curColor = ColorShout;
2649 started = STARTED_CHATTER;
2653 if (looking_at( buf, &i, "Challenge:")) {
2654 if (appData.colorize) {
2655 if (oldi > next_out) {
2656 SendToPlayer(&buf[next_out], oldi - next_out);
2659 Colorize(ColorChallenge, FALSE);
2660 curColor = ColorChallenge;
2666 if (looking_at(buf, &i, "* offers you") ||
2667 looking_at(buf, &i, "* offers to be") ||
2668 looking_at(buf, &i, "* would like to") ||
2669 looking_at(buf, &i, "* requests to") ||
2670 looking_at(buf, &i, "Your opponent offers") ||
2671 looking_at(buf, &i, "Your opponent requests")) {
2673 if (appData.colorize) {
2674 if (oldi > next_out) {
2675 SendToPlayer(&buf[next_out], oldi - next_out);
2678 Colorize(ColorRequest, FALSE);
2679 curColor = ColorRequest;
2684 if (looking_at(buf, &i, "* (*) seeking")) {
2685 if (appData.colorize) {
2686 if (oldi > next_out) {
2687 SendToPlayer(&buf[next_out], oldi - next_out);
2690 Colorize(ColorSeek, FALSE);
2691 curColor = ColorSeek;
2696 if (looking_at(buf, &i, "\\ ")) {
2697 if (prevColor != ColorNormal) {
2698 if (oldi > next_out) {
2699 SendToPlayer(&buf[next_out], oldi - next_out);
2702 Colorize(prevColor, TRUE);
2703 curColor = prevColor;
2705 if (savingComment) {
2706 parse_pos = i - oldi;
2707 memcpy(parse, &buf[oldi], parse_pos);
2708 parse[parse_pos] = NULLCHAR;
2709 started = STARTED_COMMENT;
2711 started = STARTED_CHATTER;
2716 if (looking_at(buf, &i, "Black Strength :") ||
2717 looking_at(buf, &i, "<<< style 10 board >>>") ||
2718 looking_at(buf, &i, "<10>") ||
2719 looking_at(buf, &i, "#@#")) {
2720 /* Wrong board style */
2722 SendToICS(ics_prefix);
2723 SendToICS("set style 12\n");
2724 SendToICS(ics_prefix);
2725 SendToICS("refresh\n");
2729 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2731 have_sent_ICS_logon = 1;
2735 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2736 (looking_at(buf, &i, "\n<12> ") ||
2737 looking_at(buf, &i, "<12> "))) {
2739 if (oldi > next_out) {
2740 SendToPlayer(&buf[next_out], oldi - next_out);
2743 started = STARTED_BOARD;
2748 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2749 looking_at(buf, &i, "<b1> ")) {
2750 if (oldi > next_out) {
2751 SendToPlayer(&buf[next_out], oldi - next_out);
2754 started = STARTED_HOLDINGS;
2759 if (looking_at(buf, &i, "* *vs. * *--- *")) {
2761 /* Header for a move list -- first line */
2763 switch (ics_getting_history) {
2767 case BeginningOfGame:
2768 /* User typed "moves" or "oldmoves" while we
2769 were idle. Pretend we asked for these
2770 moves and soak them up so user can step
2771 through them and/or save them.
2774 gameMode = IcsObserving;
2777 ics_getting_history = H_GOT_UNREQ_HEADER;
2779 case EditGame: /*?*/
2780 case EditPosition: /*?*/
2781 /* Should above feature work in these modes too? */
2782 /* For now it doesn't */
2783 ics_getting_history = H_GOT_UNWANTED_HEADER;
2786 ics_getting_history = H_GOT_UNWANTED_HEADER;
2791 /* Is this the right one? */
2792 if (gameInfo.white && gameInfo.black &&
2793 strcmp(gameInfo.white, star_match[0]) == 0 &&
2794 strcmp(gameInfo.black, star_match[2]) == 0) {
2796 ics_getting_history = H_GOT_REQ_HEADER;
2799 case H_GOT_REQ_HEADER:
2800 case H_GOT_UNREQ_HEADER:
2801 case H_GOT_UNWANTED_HEADER:
2802 case H_GETTING_MOVES:
2803 /* Should not happen */
2804 DisplayError(_("Error gathering move list: two headers"), 0);
2805 ics_getting_history = H_FALSE;
2809 /* Save player ratings into gameInfo if needed */
2810 if ((ics_getting_history == H_GOT_REQ_HEADER ||
2811 ics_getting_history == H_GOT_UNREQ_HEADER) &&
2812 (gameInfo.whiteRating == -1 ||
2813 gameInfo.blackRating == -1)) {
2815 gameInfo.whiteRating = string_to_rating(star_match[1]);
2816 gameInfo.blackRating = string_to_rating(star_match[3]);
2817 if (appData.debugMode)
2818 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
2819 gameInfo.whiteRating, gameInfo.blackRating);
2824 if (looking_at(buf, &i,
2825 "* * match, initial time: * minute*, increment: * second")) {
2826 /* Header for a move list -- second line */
2827 /* Initial board will follow if this is a wild game */
2828 if (gameInfo.event != NULL) free(gameInfo.event);
2829 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2830 gameInfo.event = StrSave(str);
2831 /* [HGM] we switched variant. Translate boards if needed. */
2832 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
2836 if (looking_at(buf, &i, "Move ")) {
2837 /* Beginning of a move list */
2838 switch (ics_getting_history) {
2840 /* Normally should not happen */
2841 /* Maybe user hit reset while we were parsing */
2844 /* Happens if we are ignoring a move list that is not
2845 * the one we just requested. Common if the user
2846 * tries to observe two games without turning off
2849 case H_GETTING_MOVES:
2850 /* Should not happen */
2851 DisplayError(_("Error gathering move list: nested"), 0);
2852 ics_getting_history = H_FALSE;
2854 case H_GOT_REQ_HEADER:
2855 ics_getting_history = H_GETTING_MOVES;
2856 started = STARTED_MOVES;
2858 if (oldi > next_out) {
2859 SendToPlayer(&buf[next_out], oldi - next_out);
2862 case H_GOT_UNREQ_HEADER:
2863 ics_getting_history = H_GETTING_MOVES;
2864 started = STARTED_MOVES_NOHIDE;
2867 case H_GOT_UNWANTED_HEADER:
2868 ics_getting_history = H_FALSE;
2874 if (looking_at(buf, &i, "% ") ||
2875 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2876 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
2877 if(suppressKibitz) next_out = i;
2878 savingComment = FALSE;
2882 case STARTED_MOVES_NOHIDE:
2883 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2884 parse[parse_pos + i - oldi] = NULLCHAR;
2885 ParseGameHistory(parse);
2887 if (appData.zippyPlay && first.initDone) {
2888 FeedMovesToProgram(&first, forwardMostMove);
2889 if (gameMode == IcsPlayingWhite) {
2890 if (WhiteOnMove(forwardMostMove)) {
2891 if (first.sendTime) {
2892 if (first.useColors) {
2893 SendToProgram("black\n", &first);
2895 SendTimeRemaining(&first, TRUE);
2897 if (first.useColors) {
2898 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
2900 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
2901 first.maybeThinking = TRUE;
2903 if (first.usePlayother) {
2904 if (first.sendTime) {
2905 SendTimeRemaining(&first, TRUE);
2907 SendToProgram("playother\n", &first);
2913 } else if (gameMode == IcsPlayingBlack) {
2914 if (!WhiteOnMove(forwardMostMove)) {
2915 if (first.sendTime) {
2916 if (first.useColors) {
2917 SendToProgram("white\n", &first);
2919 SendTimeRemaining(&first, FALSE);
2921 if (first.useColors) {
2922 SendToProgram("black\n", &first);
2924 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
2925 first.maybeThinking = TRUE;
2927 if (first.usePlayother) {
2928 if (first.sendTime) {
2929 SendTimeRemaining(&first, FALSE);
2931 SendToProgram("playother\n", &first);
2940 if (gameMode == IcsObserving && ics_gamenum == -1) {
2941 /* Moves came from oldmoves or moves command
2942 while we weren't doing anything else.
2944 currentMove = forwardMostMove;
2945 ClearHighlights();/*!!could figure this out*/
2946 flipView = appData.flipView;
2947 DrawPosition(TRUE, boards[currentMove]);
2948 DisplayBothClocks();
2949 sprintf(str, "%s vs. %s",
2950 gameInfo.white, gameInfo.black);
2954 /* Moves were history of an active game */
2955 if (gameInfo.resultDetails != NULL) {
2956 free(gameInfo.resultDetails);
2957 gameInfo.resultDetails = NULL;
2960 HistorySet(parseList, backwardMostMove,
2961 forwardMostMove, currentMove-1);
2962 DisplayMove(currentMove - 1);
2963 if (started == STARTED_MOVES) next_out = i;
2964 started = STARTED_NONE;
2965 ics_getting_history = H_FALSE;
2968 case STARTED_OBSERVE:
2969 started = STARTED_NONE;
2970 SendToICS(ics_prefix);
2971 SendToICS("refresh\n");
2977 if(bookHit) { // [HGM] book: simulate book reply
2978 static char bookMove[MSG_SIZ]; // a bit generous?
2980 programStats.nodes = programStats.depth = programStats.time =
2981 programStats.score = programStats.got_only_move = 0;
2982 sprintf(programStats.movelist, "%s (xbook)", bookHit);
2984 strcpy(bookMove, "move ");
2985 strcat(bookMove, bookHit);
2986 HandleMachineMove(bookMove, &first);
2991 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2992 started == STARTED_HOLDINGS ||
2993 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2994 /* Accumulate characters in move list or board */
2995 parse[parse_pos++] = buf[i];
2998 /* Start of game messages. Mostly we detect start of game
2999 when the first board image arrives. On some versions
3000 of the ICS, though, we need to do a "refresh" after starting
3001 to observe in order to get the current board right away. */
3002 if (looking_at(buf, &i, "Adding game * to observation list")) {
3003 started = STARTED_OBSERVE;
3007 /* Handle auto-observe */
3008 if (appData.autoObserve &&
3009 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3010 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3012 /* Choose the player that was highlighted, if any. */
3013 if (star_match[0][0] == '\033' ||
3014 star_match[1][0] != '\033') {
3015 player = star_match[0];
3017 player = star_match[2];
3019 sprintf(str, "%sobserve %s\n",
3020 ics_prefix, StripHighlightAndTitle(player));
3023 /* Save ratings from notify string */
3024 strcpy(player1Name, star_match[0]);
3025 player1Rating = string_to_rating(star_match[1]);
3026 strcpy(player2Name, star_match[2]);
3027 player2Rating = string_to_rating(star_match[3]);
3029 if (appData.debugMode)
3031 "Ratings from 'Game notification:' %s %d, %s %d\n",
3032 player1Name, player1Rating,
3033 player2Name, player2Rating);
3038 /* Deal with automatic examine mode after a game,
3039 and with IcsObserving -> IcsExamining transition */
3040 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3041 looking_at(buf, &i, "has made you an examiner of game *")) {
3043 int gamenum = atoi(star_match[0]);
3044 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3045 gamenum == ics_gamenum) {
3046 /* We were already playing or observing this game;
3047 no need to refetch history */
3048 gameMode = IcsExamining;
3050 pauseExamForwardMostMove = forwardMostMove;
3051 } else if (currentMove < forwardMostMove) {
3052 ForwardInner(forwardMostMove);
3055 /* I don't think this case really can happen */
3056 SendToICS(ics_prefix);
3057 SendToICS("refresh\n");
3062 /* Error messages */
3063 // if (ics_user_moved) {
3064 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3065 if (looking_at(buf, &i, "Illegal move") ||
3066 looking_at(buf, &i, "Not a legal move") ||
3067 looking_at(buf, &i, "Your king is in check") ||
3068 looking_at(buf, &i, "It isn't your turn") ||
3069 looking_at(buf, &i, "It is not your move")) {
3071 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3072 currentMove = --forwardMostMove;
3073 DisplayMove(currentMove - 1); /* before DMError */
3074 DrawPosition(FALSE, boards[currentMove]);
3076 DisplayBothClocks();
3078 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3084 if (looking_at(buf, &i, "still have time") ||
3085 looking_at(buf, &i, "not out of time") ||
3086 looking_at(buf, &i, "either player is out of time") ||
3087 looking_at(buf, &i, "has timeseal; checking")) {
3088 /* We must have called his flag a little too soon */
3089 whiteFlag = blackFlag = FALSE;
3093 if (looking_at(buf, &i, "added * seconds to") ||
3094 looking_at(buf, &i, "seconds were added to")) {
3095 /* Update the clocks */
3096 SendToICS(ics_prefix);
3097 SendToICS("refresh\n");
3101 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3102 ics_clock_paused = TRUE;
3107 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3108 ics_clock_paused = FALSE;
3113 /* Grab player ratings from the Creating: message.
3114 Note we have to check for the special case when
3115 the ICS inserts things like [white] or [black]. */
3116 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3117 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3119 0 player 1 name (not necessarily white)
3121 2 empty, white, or black (IGNORED)
3122 3 player 2 name (not necessarily black)
3125 The names/ratings are sorted out when the game
3126 actually starts (below).
3128 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3129 player1Rating = string_to_rating(star_match[1]);
3130 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3131 player2Rating = string_to_rating(star_match[4]);
3133 if (appData.debugMode)
3135 "Ratings from 'Creating:' %s %d, %s %d\n",
3136 player1Name, player1Rating,
3137 player2Name, player2Rating);
3142 /* Improved generic start/end-of-game messages */
3143 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3144 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3145 /* If tkind == 0: */
3146 /* star_match[0] is the game number */
3147 /* [1] is the white player's name */
3148 /* [2] is the black player's name */
3149 /* For end-of-game: */
3150 /* [3] is the reason for the game end */
3151 /* [4] is a PGN end game-token, preceded by " " */
3152 /* For start-of-game: */
3153 /* [3] begins with "Creating" or "Continuing" */
3154 /* [4] is " *" or empty (don't care). */
3155 int gamenum = atoi(star_match[0]);
3156 char *whitename, *blackname, *why, *endtoken;
3157 ChessMove endtype = (ChessMove) 0;
3160 whitename = star_match[1];
3161 blackname = star_match[2];
3162 why = star_match[3];
3163 endtoken = star_match[4];
3165 whitename = star_match[1];
3166 blackname = star_match[3];
3167 why = star_match[5];
3168 endtoken = star_match[6];
3171 /* Game start messages */
3172 if (strncmp(why, "Creating ", 9) == 0 ||
3173 strncmp(why, "Continuing ", 11) == 0) {
3174 gs_gamenum = gamenum;
3175 strcpy(gs_kind, strchr(why, ' ') + 1);
3176 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3178 if (appData.zippyPlay) {
3179 ZippyGameStart(whitename, blackname);
3185 /* Game end messages */
3186 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3187 ics_gamenum != gamenum) {
3190 while (endtoken[0] == ' ') endtoken++;
3191 switch (endtoken[0]) {
3194 endtype = GameUnfinished;
3197 endtype = BlackWins;
3200 if (endtoken[1] == '/')
3201 endtype = GameIsDrawn;
3203 endtype = WhiteWins;
3206 GameEnds(endtype, why, GE_ICS);
3208 if (appData.zippyPlay && first.initDone) {
3209 ZippyGameEnd(endtype, why);
3210 if (first.pr == NULL) {
3211 /* Start the next process early so that we'll
3212 be ready for the next challenge */
3213 StartChessProgram(&first);
3215 /* Send "new" early, in case this command takes
3216 a long time to finish, so that we'll be ready
3217 for the next challenge. */
3218 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3225 if (looking_at(buf, &i, "Removing game * from observation") ||
3226 looking_at(buf, &i, "no longer observing game *") ||
3227 looking_at(buf, &i, "Game * (*) has no examiners")) {
3228 if (gameMode == IcsObserving &&
3229 atoi(star_match[0]) == ics_gamenum)
3231 /* icsEngineAnalyze */
3232 if (appData.icsEngineAnalyze) {
3239 ics_user_moved = FALSE;
3244 if (looking_at(buf, &i, "no longer examining game *")) {
3245 if (gameMode == IcsExamining &&
3246 atoi(star_match[0]) == ics_gamenum)
3250 ics_user_moved = FALSE;
3255 /* Advance leftover_start past any newlines we find,
3256 so only partial lines can get reparsed */
3257 if (looking_at(buf, &i, "\n")) {
3258 prevColor = curColor;
3259 if (curColor != ColorNormal) {
3260 if (oldi > next_out) {
3261 SendToPlayer(&buf[next_out], oldi - next_out);
3264 Colorize(ColorNormal, FALSE);
3265 curColor = ColorNormal;
3267 if (started == STARTED_BOARD) {
3268 started = STARTED_NONE;
3269 parse[parse_pos] = NULLCHAR;
3270 ParseBoard12(parse);
3273 /* Send premove here */
3274 if (appData.premove) {
3276 if (currentMove == 0 &&
3277 gameMode == IcsPlayingWhite &&
3278 appData.premoveWhite) {
3279 sprintf(str, "%s\n", appData.premoveWhiteText);
3280 if (appData.debugMode)
3281 fprintf(debugFP, "Sending premove:\n");
3283 } else if (currentMove == 1 &&
3284 gameMode == IcsPlayingBlack &&
3285 appData.premoveBlack) {
3286 sprintf(str, "%s\n", appData.premoveBlackText);
3287 if (appData.debugMode)
3288 fprintf(debugFP, "Sending premove:\n");
3290 } else if (gotPremove) {
3292 ClearPremoveHighlights();
3293 if (appData.debugMode)
3294 fprintf(debugFP, "Sending premove:\n");
3295 UserMoveEvent(premoveFromX, premoveFromY,
3296 premoveToX, premoveToY,
3301 /* Usually suppress following prompt */
3302 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3303 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3304 if (looking_at(buf, &i, "*% ")) {
3305 savingComment = FALSE;
3310 } else if (started == STARTED_HOLDINGS) {
3312 char new_piece[MSG_SIZ];
3313 started = STARTED_NONE;
3314 parse[parse_pos] = NULLCHAR;
3315 if (appData.debugMode)
3316 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3317 parse, currentMove);
3318 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3319 gamenum == ics_gamenum) {
3320 if (gameInfo.variant == VariantNormal) {
3321 /* [HGM] We seem to switch variant during a game!
3322 * Presumably no holdings were displayed, so we have
3323 * to move the position two files to the right to
3324 * create room for them!
3326 VariantClass newVariant;
3327 switch(gameInfo.boardWidth) { // base guess on board width
3328 case 9: newVariant = VariantShogi; break;
3329 case 10: newVariant = VariantGreat; break;
3330 default: newVariant = VariantCrazyhouse; break;
3332 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3333 /* Get a move list just to see the header, which
3334 will tell us whether this is really bug or zh */
3335 if (ics_getting_history == H_FALSE) {
3336 ics_getting_history = H_REQUESTED;
3337 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3341 new_piece[0] = NULLCHAR;
3342 sscanf(parse, "game %d white [%s black [%s <- %s",
3343 &gamenum, white_holding, black_holding,
3345 white_holding[strlen(white_holding)-1] = NULLCHAR;
3346 black_holding[strlen(black_holding)-1] = NULLCHAR;
3347 /* [HGM] copy holdings to board holdings area */
3348 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3349 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3350 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3352 if (appData.zippyPlay && first.initDone) {
3353 ZippyHoldings(white_holding, black_holding,
3357 if (tinyLayout || smallLayout) {
3358 char wh[16], bh[16];
3359 PackHolding(wh, white_holding);
3360 PackHolding(bh, black_holding);
3361 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3362 gameInfo.white, gameInfo.black);
3364 sprintf(str, "%s [%s] vs. %s [%s]",
3365 gameInfo.white, white_holding,
3366 gameInfo.black, black_holding);
3369 DrawPosition(FALSE, boards[currentMove]);
3372 /* Suppress following prompt */
3373 if (looking_at(buf, &i, "*% ")) {
3374 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3375 savingComment = FALSE;
3383 i++; /* skip unparsed character and loop back */
3386 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3387 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3388 // SendToPlayer(&buf[next_out], i - next_out);
3389 started != STARTED_HOLDINGS && leftover_start > next_out) {
3390 SendToPlayer(&buf[next_out], leftover_start - next_out);
3394 leftover_len = buf_len - leftover_start;
3395 /* if buffer ends with something we couldn't parse,
3396 reparse it after appending the next read */
3398 } else if (count == 0) {
3399 RemoveInputSource(isr);
3400 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3402 DisplayFatalError(_("Error reading from ICS"), error, 1);
3407 /* Board style 12 looks like this:
3409 <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
3411 * The "<12> " is stripped before it gets to this routine. The two
3412 * trailing 0's (flip state and clock ticking) are later addition, and
3413 * some chess servers may not have them, or may have only the first.
3414 * Additional trailing fields may be added in the future.
3417 #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"
3419 #define RELATION_OBSERVING_PLAYED 0
3420 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3421 #define RELATION_PLAYING_MYMOVE 1
3422 #define RELATION_PLAYING_NOTMYMOVE -1
3423 #define RELATION_EXAMINING 2
3424 #define RELATION_ISOLATED_BOARD -3
3425 #define RELATION_STARTING_POSITION -4 /* FICS only */
3428 ParseBoard12(string)
3431 GameMode newGameMode;
3432 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3433 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3434 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3435 char to_play, board_chars[200];
3436 char move_str[500], str[500], elapsed_time[500];
3437 char black[32], white[32];
3439 int prevMove = currentMove;
3442 int fromX, fromY, toX, toY;
3444 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3445 char *bookHit = NULL; // [HGM] book
3446 Boolean weird = FALSE, reqFlag = FALSE;
3448 fromX = fromY = toX = toY = -1;
3452 if (appData.debugMode)
3453 fprintf(debugFP, _("Parsing board: %s\n"), string);
3455 move_str[0] = NULLCHAR;
3456 elapsed_time[0] = NULLCHAR;
3457 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3459 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3460 if(string[i] == ' ') { ranks++; files = 0; }
3462 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3465 for(j = 0; j <i; j++) board_chars[j] = string[j];
3466 board_chars[i] = '\0';
3469 n = sscanf(string, PATTERN, &to_play, &double_push,
3470 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3471 &gamenum, white, black, &relation, &basetime, &increment,
3472 &white_stren, &black_stren, &white_time, &black_time,
3473 &moveNum, str, elapsed_time, move_str, &ics_flip,
3477 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3478 DisplayError(str, 0);
3482 /* Convert the move number to internal form */
3483 moveNum = (moveNum - 1) * 2;
3484 if (to_play == 'B') moveNum++;
3485 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3486 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3492 case RELATION_OBSERVING_PLAYED:
3493 case RELATION_OBSERVING_STATIC:
3494 if (gamenum == -1) {
3495 /* Old ICC buglet */
3496 relation = RELATION_OBSERVING_STATIC;
3498 newGameMode = IcsObserving;
3500 case RELATION_PLAYING_MYMOVE:
3501 case RELATION_PLAYING_NOTMYMOVE:
3503 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3504 IcsPlayingWhite : IcsPlayingBlack;
3506 case RELATION_EXAMINING:
3507 newGameMode = IcsExamining;
3509 case RELATION_ISOLATED_BOARD:
3511 /* Just display this board. If user was doing something else,
3512 we will forget about it until the next board comes. */
3513 newGameMode = IcsIdle;
3515 case RELATION_STARTING_POSITION:
3516 newGameMode = gameMode;
3520 /* Modify behavior for initial board display on move listing
3523 switch (ics_getting_history) {
3527 case H_GOT_REQ_HEADER:
3528 case H_GOT_UNREQ_HEADER:
3529 /* This is the initial position of the current game */
3530 gamenum = ics_gamenum;
3531 moveNum = 0; /* old ICS bug workaround */
3532 if (to_play == 'B') {
3533 startedFromSetupPosition = TRUE;
3534 blackPlaysFirst = TRUE;
3536 if (forwardMostMove == 0) forwardMostMove = 1;
3537 if (backwardMostMove == 0) backwardMostMove = 1;
3538 if (currentMove == 0) currentMove = 1;
3540 newGameMode = gameMode;
3541 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3543 case H_GOT_UNWANTED_HEADER:
3544 /* This is an initial board that we don't want */
3546 case H_GETTING_MOVES:
3547 /* Should not happen */
3548 DisplayError(_("Error gathering move list: extra board"), 0);
3549 ics_getting_history = H_FALSE;
3553 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3554 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3555 /* [HGM] We seem to have switched variant unexpectedly
3556 * Try to guess new variant from board size
3558 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3559 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3560 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3561 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3562 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3563 if(!weird) newVariant = VariantNormal;
3564 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3565 /* Get a move list just to see the header, which
3566 will tell us whether this is really bug or zh */
3567 if (ics_getting_history == H_FALSE) {
3568 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3569 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3574 /* Take action if this is the first board of a new game, or of a
3575 different game than is currently being displayed. */
3576 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3577 relation == RELATION_ISOLATED_BOARD) {
3579 /* Forget the old game and get the history (if any) of the new one */
3580 if (gameMode != BeginningOfGame) {
3584 if (appData.autoRaiseBoard) BoardToTop();
3586 if (gamenum == -1) {
3587 newGameMode = IcsIdle;
3588 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3589 appData.getMoveList && !reqFlag) {
3590 /* Need to get game history */
3591 ics_getting_history = H_REQUESTED;
3592 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3596 /* Initially flip the board to have black on the bottom if playing
3597 black or if the ICS flip flag is set, but let the user change
3598 it with the Flip View button. */
3599 flipView = appData.autoFlipView ?
3600 (newGameMode == IcsPlayingBlack) || ics_flip :
3603 /* Done with values from previous mode; copy in new ones */
3604 gameMode = newGameMode;
3606 ics_gamenum = gamenum;
3607 if (gamenum == gs_gamenum) {
3608 int klen = strlen(gs_kind);
3609 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3610 sprintf(str, "ICS %s", gs_kind);
3611 gameInfo.event = StrSave(str);
3613 gameInfo.event = StrSave("ICS game");
3615 gameInfo.site = StrSave(appData.icsHost);
3616 gameInfo.date = PGNDate();
3617 gameInfo.round = StrSave("-");
3618 gameInfo.white = StrSave(white);
3619 gameInfo.black = StrSave(black);
3620 timeControl = basetime * 60 * 1000;
3622 timeIncrement = increment * 1000;
3623 movesPerSession = 0;
3624 gameInfo.timeControl = TimeControlTagValue();
3625 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3626 if (appData.debugMode) {
3627 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3628 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3629 setbuf(debugFP, NULL);
3632 gameInfo.outOfBook = NULL;
3634 /* Do we have the ratings? */
3635 if (strcmp(player1Name, white) == 0 &&
3636 strcmp(player2Name, black) == 0) {
3637 if (appData.debugMode)
3638 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3639 player1Rating, player2Rating);
3640 gameInfo.whiteRating = player1Rating;
3641 gameInfo.blackRating = player2Rating;
3642 } else if (strcmp(player2Name, white) == 0 &&
3643 strcmp(player1Name, black) == 0) {
3644 if (appData.debugMode)
3645 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3646 player2Rating, player1Rating);
3647 gameInfo.whiteRating = player2Rating;
3648 gameInfo.blackRating = player1Rating;
3650 player1Name[0] = player2Name[0] = NULLCHAR;
3652 /* Silence shouts if requested */
3653 if (appData.quietPlay &&
3654 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3655 SendToICS(ics_prefix);
3656 SendToICS("set shout 0\n");
3660 /* Deal with midgame name changes */
3662 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3663 if (gameInfo.white) free(gameInfo.white);
3664 gameInfo.white = StrSave(white);
3666 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3667 if (gameInfo.black) free(gameInfo.black);
3668 gameInfo.black = StrSave(black);
3672 /* Throw away game result if anything actually changes in examine mode */
3673 if (gameMode == IcsExamining && !newGame) {
3674 gameInfo.result = GameUnfinished;
3675 if (gameInfo.resultDetails != NULL) {
3676 free(gameInfo.resultDetails);
3677 gameInfo.resultDetails = NULL;
3681 /* In pausing && IcsExamining mode, we ignore boards coming
3682 in if they are in a different variation than we are. */
3683 if (pauseExamInvalid) return;
3684 if (pausing && gameMode == IcsExamining) {
3685 if (moveNum <= pauseExamForwardMostMove) {
3686 pauseExamInvalid = TRUE;
3687 forwardMostMove = pauseExamForwardMostMove;
3692 if (appData.debugMode) {
3693 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3695 /* Parse the board */
3696 for (k = 0; k < ranks; k++) {
3697 for (j = 0; j < files; j++)
3698 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3699 if(gameInfo.holdingsWidth > 1) {
3700 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3701 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3704 CopyBoard(boards[moveNum], board);
3705 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
3707 startedFromSetupPosition =
3708 !CompareBoards(board, initialPosition);
3709 if(startedFromSetupPosition)
3710 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3713 /* [HGM] Set castling rights. Take the outermost Rooks,
3714 to make it also work for FRC opening positions. Note that board12
3715 is really defective for later FRC positions, as it has no way to
3716 indicate which Rook can castle if they are on the same side of King.
3717 For the initial position we grant rights to the outermost Rooks,
3718 and remember thos rights, and we then copy them on positions
3719 later in an FRC game. This means WB might not recognize castlings with
3720 Rooks that have moved back to their original position as illegal,
3721 but in ICS mode that is not its job anyway.
3723 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3724 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3726 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
3727 if(board[0][i] == WhiteRook) j = i;
3728 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3729 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
3730 if(board[0][i] == WhiteRook) j = i;
3731 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3732 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
3733 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3734 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3735 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
3736 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3737 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3739 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
3740 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3741 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
3742 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3743 if(board[BOARD_HEIGHT-1][k] == bKing)
3744 initialRights[5] = boards[moveNum][CASTLING][5] = k;
3745 if(gameInfo.variant == VariantTwoKings) {
3746 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
3747 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
3748 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
3751 r = boards[moveNum][CASTLING][0] = initialRights[0];
3752 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
3753 r = boards[moveNum][CASTLING][1] = initialRights[1];
3754 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
3755 r = boards[moveNum][CASTLING][3] = initialRights[3];
3756 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
3757 r = boards[moveNum][CASTLING][4] = initialRights[4];
3758 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
3759 /* wildcastle kludge: always assume King has rights */
3760 r = boards[moveNum][CASTLING][2] = initialRights[2];
3761 r = boards[moveNum][CASTLING][5] = initialRights[5];
3763 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
3764 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
3767 if (ics_getting_history == H_GOT_REQ_HEADER ||
3768 ics_getting_history == H_GOT_UNREQ_HEADER) {
3769 /* This was an initial position from a move list, not
3770 the current position */
3774 /* Update currentMove and known move number limits */
3775 newMove = newGame || moveNum > forwardMostMove;
3778 forwardMostMove = backwardMostMove = currentMove = moveNum;
3779 if (gameMode == IcsExamining && moveNum == 0) {
3780 /* Workaround for ICS limitation: we are not told the wild
3781 type when starting to examine a game. But if we ask for
3782 the move list, the move list header will tell us */
3783 ics_getting_history = H_REQUESTED;
3784 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3787 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
3788 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
3790 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
3791 /* [HGM] applied this also to an engine that is silently watching */
3792 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
3793 (gameMode == IcsObserving || gameMode == IcsExamining) &&
3794 gameInfo.variant == currentlyInitializedVariant) {
3795 takeback = forwardMostMove - moveNum;
3796 for (i = 0; i < takeback; i++) {
3797 if (appData.debugMode) fprintf(debugFP, "take back move\n");
3798 SendToProgram("undo\n", &first);
3803 forwardMostMove = moveNum;
3804 if (!pausing || currentMove > forwardMostMove)
3805 currentMove = forwardMostMove;
3807 /* New part of history that is not contiguous with old part */
3808 if (pausing && gameMode == IcsExamining) {
3809 pauseExamInvalid = TRUE;
3810 forwardMostMove = pauseExamForwardMostMove;
3813 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
3815 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
3816 // [HGM] when we will receive the move list we now request, it will be
3817 // fed to the engine from the first move on. So if the engine is not
3818 // in the initial position now, bring it there.
3819 InitChessProgram(&first, 0);
3822 ics_getting_history = H_REQUESTED;
3823 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3826 forwardMostMove = backwardMostMove = currentMove = moveNum;
3829 /* Update the clocks */
3830 if (strchr(elapsed_time, '.')) {
3832 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
3833 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
3835 /* Time is in seconds */
3836 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
3837 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
3842 if (appData.zippyPlay && newGame &&
3843 gameMode != IcsObserving && gameMode != IcsIdle &&
3844 gameMode != IcsExamining)
3845 ZippyFirstBoard(moveNum, basetime, increment);
3848 /* Put the move on the move list, first converting
3849 to canonical algebraic form. */
3851 if (appData.debugMode) {
3852 if (appData.debugMode) { int f = forwardMostMove;
3853 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
3854 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
3855 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
3857 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
3858 fprintf(debugFP, "moveNum = %d\n", moveNum);
3859 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
3860 setbuf(debugFP, NULL);
3862 if (moveNum <= backwardMostMove) {
3863 /* We don't know what the board looked like before
3865 strcpy(parseList[moveNum - 1], move_str);
3866 strcat(parseList[moveNum - 1], " ");
3867 strcat(parseList[moveNum - 1], elapsed_time);
3868 moveList[moveNum - 1][0] = NULLCHAR;
3869 } else if (strcmp(move_str, "none") == 0) {
3870 // [HGM] long SAN: swapped order; test for 'none' before parsing move
3871 /* Again, we don't know what the board looked like;
3872 this is really the start of the game. */
3873 parseList[moveNum - 1][0] = NULLCHAR;
3874 moveList[moveNum - 1][0] = NULLCHAR;
3875 backwardMostMove = moveNum;
3876 startedFromSetupPosition = TRUE;
3877 fromX = fromY = toX = toY = -1;
3879 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
3880 // So we parse the long-algebraic move string in stead of the SAN move
3881 int valid; char buf[MSG_SIZ], *prom;
3883 // str looks something like "Q/a1-a2"; kill the slash
3885 sprintf(buf, "%c%s", str[0], str+2);
3886 else strcpy(buf, str); // might be castling
3887 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
3888 strcat(buf, prom); // long move lacks promo specification!
3889 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
3890 if(appData.debugMode)
3891 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
3892 strcpy(move_str, buf);
3894 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
3895 &fromX, &fromY, &toX, &toY, &promoChar)
3896 || ParseOneMove(buf, moveNum - 1, &moveType,
3897 &fromX, &fromY, &toX, &toY, &promoChar);
3898 // end of long SAN patch
3900 (void) CoordsToAlgebraic(boards[moveNum - 1],
3901 PosFlags(moveNum - 1),
3902 fromY, fromX, toY, toX, promoChar,
3903 parseList[moveNum-1]);
3904 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
3910 if(gameInfo.variant != VariantShogi)
3911 strcat(parseList[moveNum - 1], "+");
3914 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
3915 strcat(parseList[moveNum - 1], "#");
3918 strcat(parseList[moveNum - 1], " ");
3919 strcat(parseList[moveNum - 1], elapsed_time);
3920 /* currentMoveString is set as a side-effect of ParseOneMove */
3921 strcpy(moveList[moveNum - 1], currentMoveString);
3922 strcat(moveList[moveNum - 1], "\n");
3924 /* Move from ICS was illegal!? Punt. */
3925 if (appData.debugMode) {
3926 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
3927 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
3929 strcpy(parseList[moveNum - 1], move_str);
3930 strcat(parseList[moveNum - 1], " ");
3931 strcat(parseList[moveNum - 1], elapsed_time);
3932 moveList[moveNum - 1][0] = NULLCHAR;
3933 fromX = fromY = toX = toY = -1;
3936 if (appData.debugMode) {
3937 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
3938 setbuf(debugFP, NULL);
3942 /* Send move to chess program (BEFORE animating it). */
3943 if (appData.zippyPlay && !newGame && newMove &&
3944 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
3946 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
3947 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
3948 if (moveList[moveNum - 1][0] == NULLCHAR) {
3949 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
3951 DisplayError(str, 0);
3953 if (first.sendTime) {
3954 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
3956 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
3957 if (firstMove && !bookHit) {
3959 if (first.useColors) {
3960 SendToProgram(gameMode == IcsPlayingWhite ?
3962 "black\ngo\n", &first);
3964 SendToProgram("go\n", &first);
3966 first.maybeThinking = TRUE;
3969 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
3970 if (moveList[moveNum - 1][0] == NULLCHAR) {
3971 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
3972 DisplayError(str, 0);
3974 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
3975 SendMoveToProgram(moveNum - 1, &first);
3982 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
3983 /* If move comes from a remote source, animate it. If it
3984 isn't remote, it will have already been animated. */
3985 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
3986 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
3988 if (!pausing && appData.highlightLastMove) {
3989 SetHighlights(fromX, fromY, toX, toY);
3993 /* Start the clocks */
3994 whiteFlag = blackFlag = FALSE;
3995 appData.clockMode = !(basetime == 0 && increment == 0);
3997 ics_clock_paused = TRUE;
3999 } else if (ticking == 1) {
4000 ics_clock_paused = FALSE;
4002 if (gameMode == IcsIdle ||
4003 relation == RELATION_OBSERVING_STATIC ||
4004 relation == RELATION_EXAMINING ||
4006 DisplayBothClocks();
4010 /* Display opponents and material strengths */
4011 if (gameInfo.variant != VariantBughouse &&
4012 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4013 if (tinyLayout || smallLayout) {
4014 if(gameInfo.variant == VariantNormal)
4015 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4016 gameInfo.white, white_stren, gameInfo.black, black_stren,
4017 basetime, increment);
4019 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4020 gameInfo.white, white_stren, gameInfo.black, black_stren,
4021 basetime, increment, (int) gameInfo.variant);
4023 if(gameInfo.variant == VariantNormal)
4024 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4025 gameInfo.white, white_stren, gameInfo.black, black_stren,
4026 basetime, increment);
4028 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4029 gameInfo.white, white_stren, gameInfo.black, black_stren,
4030 basetime, increment, VariantName(gameInfo.variant));
4033 if (appData.debugMode) {
4034 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4039 /* Display the board */
4040 if (!pausing && !appData.noGUI) {
4042 if (appData.premove)
4044 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4045 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4046 ClearPremoveHighlights();
4048 DrawPosition(FALSE, boards[currentMove]);
4049 DisplayMove(moveNum - 1);
4050 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4051 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4052 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4053 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4057 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4059 if(bookHit) { // [HGM] book: simulate book reply
4060 static char bookMove[MSG_SIZ]; // a bit generous?
4062 programStats.nodes = programStats.depth = programStats.time =
4063 programStats.score = programStats.got_only_move = 0;
4064 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4066 strcpy(bookMove, "move ");
4067 strcat(bookMove, bookHit);
4068 HandleMachineMove(bookMove, &first);
4077 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4078 ics_getting_history = H_REQUESTED;
4079 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4085 AnalysisPeriodicEvent(force)
4088 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4089 && !force) || !appData.periodicUpdates)
4092 /* Send . command to Crafty to collect stats */
4093 SendToProgram(".\n", &first);
4095 /* Don't send another until we get a response (this makes
4096 us stop sending to old Crafty's which don't understand
4097 the "." command (sending illegal cmds resets node count & time,
4098 which looks bad)) */
4099 programStats.ok_to_send = 0;
4102 void ics_update_width(new_width)
4105 ics_printf("set width %d\n", new_width);
4109 SendMoveToProgram(moveNum, cps)
4111 ChessProgramState *cps;
4115 if (cps->useUsermove) {
4116 SendToProgram("usermove ", cps);
4120 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4121 int len = space - parseList[moveNum];
4122 memcpy(buf, parseList[moveNum], len);
4124 buf[len] = NULLCHAR;
4126 sprintf(buf, "%s\n", parseList[moveNum]);
4128 SendToProgram(buf, cps);
4130 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4131 AlphaRank(moveList[moveNum], 4);
4132 SendToProgram(moveList[moveNum], cps);
4133 AlphaRank(moveList[moveNum], 4); // and back
4135 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4136 * the engine. It would be nice to have a better way to identify castle
4138 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4139 && cps->useOOCastle) {
4140 int fromX = moveList[moveNum][0] - AAA;
4141 int fromY = moveList[moveNum][1] - ONE;
4142 int toX = moveList[moveNum][2] - AAA;
4143 int toY = moveList[moveNum][3] - ONE;
4144 if((boards[moveNum][fromY][fromX] == WhiteKing
4145 && boards[moveNum][toY][toX] == WhiteRook)
4146 || (boards[moveNum][fromY][fromX] == BlackKing
4147 && boards[moveNum][toY][toX] == BlackRook)) {
4148 if(toX > fromX) SendToProgram("O-O\n", cps);
4149 else SendToProgram("O-O-O\n", cps);
4151 else SendToProgram(moveList[moveNum], cps);
4153 else SendToProgram(moveList[moveNum], cps);
4154 /* End of additions by Tord */
4157 /* [HGM] setting up the opening has brought engine in force mode! */
4158 /* Send 'go' if we are in a mode where machine should play. */
4159 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4160 (gameMode == TwoMachinesPlay ||
4162 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4164 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4165 SendToProgram("go\n", cps);
4166 if (appData.debugMode) {
4167 fprintf(debugFP, "(extra)\n");
4170 setboardSpoiledMachineBlack = 0;
4174 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4176 int fromX, fromY, toX, toY;
4178 char user_move[MSG_SIZ];
4182 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4183 (int)moveType, fromX, fromY, toX, toY);
4184 DisplayError(user_move + strlen("say "), 0);
4186 case WhiteKingSideCastle:
4187 case BlackKingSideCastle:
4188 case WhiteQueenSideCastleWild:
4189 case BlackQueenSideCastleWild:
4191 case WhiteHSideCastleFR:
4192 case BlackHSideCastleFR:
4194 sprintf(user_move, "o-o\n");
4196 case WhiteQueenSideCastle:
4197 case BlackQueenSideCastle:
4198 case WhiteKingSideCastleWild:
4199 case BlackKingSideCastleWild:
4201 case WhiteASideCastleFR:
4202 case BlackASideCastleFR:
4204 sprintf(user_move, "o-o-o\n");
4206 case WhitePromotionQueen:
4207 case BlackPromotionQueen:
4208 case WhitePromotionRook:
4209 case BlackPromotionRook:
4210 case WhitePromotionBishop:
4211 case BlackPromotionBishop:
4212 case WhitePromotionKnight:
4213 case BlackPromotionKnight:
4214 case WhitePromotionKing:
4215 case BlackPromotionKing:
4216 case WhitePromotionChancellor:
4217 case BlackPromotionChancellor:
4218 case WhitePromotionArchbishop:
4219 case BlackPromotionArchbishop:
4220 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4221 sprintf(user_move, "%c%c%c%c=%c\n",
4222 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4223 PieceToChar(WhiteFerz));
4224 else if(gameInfo.variant == VariantGreat)
4225 sprintf(user_move, "%c%c%c%c=%c\n",
4226 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4227 PieceToChar(WhiteMan));
4229 sprintf(user_move, "%c%c%c%c=%c\n",
4230 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4231 PieceToChar(PromoPiece(moveType)));
4235 sprintf(user_move, "%c@%c%c\n",
4236 ToUpper(PieceToChar((ChessSquare) fromX)),
4237 AAA + toX, ONE + toY);
4240 case WhiteCapturesEnPassant:
4241 case BlackCapturesEnPassant:
4242 case IllegalMove: /* could be a variant we don't quite understand */
4243 sprintf(user_move, "%c%c%c%c\n",
4244 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4247 SendToICS(user_move);
4248 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4249 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4253 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4258 if (rf == DROP_RANK) {
4259 sprintf(move, "%c@%c%c\n",
4260 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4262 if (promoChar == 'x' || promoChar == NULLCHAR) {
4263 sprintf(move, "%c%c%c%c\n",
4264 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4266 sprintf(move, "%c%c%c%c%c\n",
4267 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4273 ProcessICSInitScript(f)
4278 while (fgets(buf, MSG_SIZ, f)) {
4279 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4286 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4288 AlphaRank(char *move, int n)
4290 // char *p = move, c; int x, y;
4292 if (appData.debugMode) {
4293 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4297 move[2]>='0' && move[2]<='9' &&
4298 move[3]>='a' && move[3]<='x' ) {
4300 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4301 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4303 if(move[0]>='0' && move[0]<='9' &&
4304 move[1]>='a' && move[1]<='x' &&
4305 move[2]>='0' && move[2]<='9' &&
4306 move[3]>='a' && move[3]<='x' ) {
4307 /* input move, Shogi -> normal */
4308 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4309 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4310 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4311 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4314 move[3]>='0' && move[3]<='9' &&
4315 move[2]>='a' && move[2]<='x' ) {
4317 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4318 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4321 move[0]>='a' && move[0]<='x' &&
4322 move[3]>='0' && move[3]<='9' &&
4323 move[2]>='a' && move[2]<='x' ) {
4324 /* output move, normal -> Shogi */
4325 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4326 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4327 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4328 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4329 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4331 if (appData.debugMode) {
4332 fprintf(debugFP, " out = '%s'\n", move);
4336 /* Parser for moves from gnuchess, ICS, or user typein box */
4338 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4341 ChessMove *moveType;
4342 int *fromX, *fromY, *toX, *toY;
4345 if (appData.debugMode) {
4346 fprintf(debugFP, "move to parse: %s\n", move);
4348 *moveType = yylexstr(moveNum, move);
4350 switch (*moveType) {
4351 case WhitePromotionChancellor:
4352 case BlackPromotionChancellor:
4353 case WhitePromotionArchbishop:
4354 case BlackPromotionArchbishop:
4355 case WhitePromotionQueen:
4356 case BlackPromotionQueen:
4357 case WhitePromotionRook:
4358 case BlackPromotionRook:
4359 case WhitePromotionBishop:
4360 case BlackPromotionBishop:
4361 case WhitePromotionKnight:
4362 case BlackPromotionKnight:
4363 case WhitePromotionKing:
4364 case BlackPromotionKing:
4366 case WhiteCapturesEnPassant:
4367 case BlackCapturesEnPassant:
4368 case WhiteKingSideCastle:
4369 case WhiteQueenSideCastle:
4370 case BlackKingSideCastle:
4371 case BlackQueenSideCastle:
4372 case WhiteKingSideCastleWild:
4373 case WhiteQueenSideCastleWild:
4374 case BlackKingSideCastleWild:
4375 case BlackQueenSideCastleWild:
4376 /* Code added by Tord: */
4377 case WhiteHSideCastleFR:
4378 case WhiteASideCastleFR:
4379 case BlackHSideCastleFR:
4380 case BlackASideCastleFR:
4381 /* End of code added by Tord */
4382 case IllegalMove: /* bug or odd chess variant */
4383 *fromX = currentMoveString[0] - AAA;
4384 *fromY = currentMoveString[1] - ONE;
4385 *toX = currentMoveString[2] - AAA;
4386 *toY = currentMoveString[3] - ONE;
4387 *promoChar = currentMoveString[4];
4388 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4389 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4390 if (appData.debugMode) {
4391 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4393 *fromX = *fromY = *toX = *toY = 0;
4396 if (appData.testLegality) {
4397 return (*moveType != IllegalMove);
4399 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4400 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4405 *fromX = *moveType == WhiteDrop ?
4406 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4407 (int) CharToPiece(ToLower(currentMoveString[0]));
4409 *toX = currentMoveString[2] - AAA;
4410 *toY = currentMoveString[3] - ONE;
4411 *promoChar = NULLCHAR;
4415 case ImpossibleMove:
4416 case (ChessMove) 0: /* end of file */
4425 if (appData.debugMode) {
4426 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4429 *fromX = *fromY = *toX = *toY = 0;
4430 *promoChar = NULLCHAR;
4438 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4439 int fromX, fromY, toX, toY; char promoChar;
4444 endPV = forwardMostMove;
4446 while(*pv == ' ') pv++;
4447 if(*pv == '(') pv++; // first (ponder) move can be in parentheses
4448 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4449 if(appData.debugMode){
4450 fprintf(debugFP,"parsePV: %d %c%c%c%c '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, pv);
4452 if(!valid && nr == 0 &&
4453 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4454 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4456 while(*pv && *pv++ != ' '); // skip what we parsed; assume space separators
4457 if(moveType == Comment) { valid++; continue; } // allow comments in PV
4459 if(endPV+1 > framePtr) break; // no space, truncate
4462 CopyBoard(boards[endPV], boards[endPV-1]);
4463 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4464 moveList[endPV-1][0] = fromX + AAA;
4465 moveList[endPV-1][1] = fromY + ONE;
4466 moveList[endPV-1][2] = toX + AAA;
4467 moveList[endPV-1][3] = toY + ONE;
4468 parseList[endPV-1][0] = NULLCHAR;
4470 currentMove = endPV;
4471 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4472 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4473 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4474 DrawPosition(TRUE, boards[currentMove]);
4477 static int lastX, lastY;
4480 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4484 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4485 lastX = x; lastY = y;
4486 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4488 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4490 while(buf[index] && buf[index] != '\n') index++;
4492 ParsePV(buf+startPV);
4493 *start = startPV; *end = index-1;
4498 LoadPV(int x, int y)
4499 { // called on right mouse click to load PV
4500 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4501 lastX = x; lastY = y;
4502 ParsePV(lastPV[which]); // load the PV of the thinking engine in the boards array.
4509 if(endPV < 0) return;
4511 currentMove = forwardMostMove;
4512 ClearPremoveHighlights();
4513 DrawPosition(TRUE, boards[currentMove]);
4517 MovePV(int x, int y, int h)
4518 { // step through PV based on mouse coordinates (called on mouse move)
4519 int margin = h>>3, step = 0;
4521 if(endPV < 0) return;
4522 // we must somehow check if right button is still down (might be released off board!)
4523 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4524 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4525 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4527 lastX = x; lastY = y;
4528 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4529 currentMove += step;
4530 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4531 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4532 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4533 DrawPosition(FALSE, boards[currentMove]);
4537 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4538 // All positions will have equal probability, but the current method will not provide a unique
4539 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4545 int piecesLeft[(int)BlackPawn];
4546 int seed, nrOfShuffles;
4548 void GetPositionNumber()
4549 { // sets global variable seed
4552 seed = appData.defaultFrcPosition;
4553 if(seed < 0) { // randomize based on time for negative FRC position numbers
4554 for(i=0; i<50; i++) seed += random();
4555 seed = random() ^ random() >> 8 ^ random() << 8;
4556 if(seed<0) seed = -seed;
4560 int put(Board board, int pieceType, int rank, int n, int shade)
4561 // put the piece on the (n-1)-th empty squares of the given shade
4565 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4566 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4567 board[rank][i] = (ChessSquare) pieceType;
4568 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4570 piecesLeft[pieceType]--;
4578 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4579 // calculate where the next piece goes, (any empty square), and put it there
4583 i = seed % squaresLeft[shade];
4584 nrOfShuffles *= squaresLeft[shade];
4585 seed /= squaresLeft[shade];
4586 put(board, pieceType, rank, i, shade);
4589 void AddTwoPieces(Board board, int pieceType, int rank)
4590 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4592 int i, n=squaresLeft[ANY], j=n-1, k;
4594 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4595 i = seed % k; // pick one
4598 while(i >= j) i -= j--;
4599 j = n - 1 - j; i += j;
4600 put(board, pieceType, rank, j, ANY);
4601 put(board, pieceType, rank, i, ANY);
4604 void SetUpShuffle(Board board, int number)
4608 GetPositionNumber(); nrOfShuffles = 1;
4610 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4611 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4612 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4614 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4616 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4617 p = (int) board[0][i];
4618 if(p < (int) BlackPawn) piecesLeft[p] ++;
4619 board[0][i] = EmptySquare;
4622 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4623 // shuffles restricted to allow normal castling put KRR first
4624 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4625 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4626 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4627 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4628 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4629 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4630 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4631 put(board, WhiteRook, 0, 0, ANY);
4632 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4635 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4636 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4637 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4638 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4639 while(piecesLeft[p] >= 2) {
4640 AddOnePiece(board, p, 0, LITE);
4641 AddOnePiece(board, p, 0, DARK);
4643 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4646 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4647 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4648 // but we leave King and Rooks for last, to possibly obey FRC restriction
4649 if(p == (int)WhiteRook) continue;
4650 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4651 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4654 // now everything is placed, except perhaps King (Unicorn) and Rooks
4656 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4657 // Last King gets castling rights
4658 while(piecesLeft[(int)WhiteUnicorn]) {
4659 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4660 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4663 while(piecesLeft[(int)WhiteKing]) {
4664 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4665 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4670 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4671 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4674 // Only Rooks can be left; simply place them all
4675 while(piecesLeft[(int)WhiteRook]) {
4676 i = put(board, WhiteRook, 0, 0, ANY);
4677 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4680 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
4682 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
4685 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4686 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4689 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4692 int SetCharTable( char *table, const char * map )
4693 /* [HGM] moved here from winboard.c because of its general usefulness */
4694 /* Basically a safe strcpy that uses the last character as King */
4696 int result = FALSE; int NrPieces;
4698 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4699 && NrPieces >= 12 && !(NrPieces&1)) {
4700 int i; /* [HGM] Accept even length from 12 to 34 */
4702 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4703 for( i=0; i<NrPieces/2-1; i++ ) {
4705 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4707 table[(int) WhiteKing] = map[NrPieces/2-1];
4708 table[(int) BlackKing] = map[NrPieces-1];
4716 void Prelude(Board board)
4717 { // [HGM] superchess: random selection of exo-pieces
4718 int i, j, k; ChessSquare p;
4719 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4721 GetPositionNumber(); // use FRC position number
4723 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
4724 SetCharTable(pieceToChar, appData.pieceToCharTable);
4725 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
4726 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
4729 j = seed%4; seed /= 4;
4730 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4731 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4732 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4733 j = seed%3 + (seed%3 >= j); seed /= 3;
4734 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4735 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4736 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4737 j = seed%3; seed /= 3;
4738 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4739 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4740 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4741 j = seed%2 + (seed%2 >= j); seed /= 2;
4742 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4743 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4744 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4745 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
4746 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
4747 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
4748 put(board, exoPieces[0], 0, 0, ANY);
4749 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
4753 InitPosition(redraw)
4756 ChessSquare (* pieces)[BOARD_FILES];
4757 int i, j, pawnRow, overrule,
4758 oldx = gameInfo.boardWidth,
4759 oldy = gameInfo.boardHeight,
4760 oldh = gameInfo.holdingsWidth,
4761 oldv = gameInfo.variant;
4763 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
4765 /* [AS] Initialize pv info list [HGM] and game status */
4767 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
4768 pvInfoList[i].depth = 0;
4769 boards[i][EP_STATUS] = EP_NONE;
4770 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
4773 initialRulePlies = 0; /* 50-move counter start */
4775 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
4776 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
4780 /* [HGM] logic here is completely changed. In stead of full positions */
4781 /* the initialized data only consist of the two backranks. The switch */
4782 /* selects which one we will use, which is than copied to the Board */
4783 /* initialPosition, which for the rest is initialized by Pawns and */
4784 /* empty squares. This initial position is then copied to boards[0], */
4785 /* possibly after shuffling, so that it remains available. */
4787 gameInfo.holdingsWidth = 0; /* default board sizes */
4788 gameInfo.boardWidth = 8;
4789 gameInfo.boardHeight = 8;
4790 gameInfo.holdingsSize = 0;
4791 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
4792 for(i=0; i<BOARD_FILES-2; i++)
4793 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
4794 initialPosition[EP_STATUS] = EP_NONE;
4795 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
4797 switch (gameInfo.variant) {
4798 case VariantFischeRandom:
4799 shuffleOpenings = TRUE;
4803 case VariantShatranj:
4804 pieces = ShatranjArray;
4805 nrCastlingRights = 0;
4806 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
4809 pieces = makrukArray;
4810 nrCastlingRights = 0;
4811 startedFromSetupPosition = TRUE;
4812 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
4814 case VariantTwoKings:
4815 pieces = twoKingsArray;
4817 case VariantCapaRandom:
4818 shuffleOpenings = TRUE;
4819 case VariantCapablanca:
4820 pieces = CapablancaArray;
4821 gameInfo.boardWidth = 10;
4822 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4825 pieces = GothicArray;
4826 gameInfo.boardWidth = 10;
4827 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4830 pieces = JanusArray;
4831 gameInfo.boardWidth = 10;
4832 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
4833 nrCastlingRights = 6;
4834 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
4835 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
4836 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
4837 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
4838 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
4839 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
4842 pieces = FalconArray;
4843 gameInfo.boardWidth = 10;
4844 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
4846 case VariantXiangqi:
4847 pieces = XiangqiArray;
4848 gameInfo.boardWidth = 9;
4849 gameInfo.boardHeight = 10;
4850 nrCastlingRights = 0;
4851 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
4854 pieces = ShogiArray;
4855 gameInfo.boardWidth = 9;
4856 gameInfo.boardHeight = 9;
4857 gameInfo.holdingsSize = 7;
4858 nrCastlingRights = 0;
4859 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
4861 case VariantCourier:
4862 pieces = CourierArray;
4863 gameInfo.boardWidth = 12;
4864 nrCastlingRights = 0;
4865 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
4867 case VariantKnightmate:
4868 pieces = KnightmateArray;
4869 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
4872 pieces = fairyArray;
4873 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
4876 pieces = GreatArray;
4877 gameInfo.boardWidth = 10;
4878 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
4879 gameInfo.holdingsSize = 8;
4883 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
4884 gameInfo.holdingsSize = 8;
4885 startedFromSetupPosition = TRUE;
4887 case VariantCrazyhouse:
4888 case VariantBughouse:
4890 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
4891 gameInfo.holdingsSize = 5;
4893 case VariantWildCastle:
4895 /* !!?shuffle with kings guaranteed to be on d or e file */
4896 shuffleOpenings = 1;
4898 case VariantNoCastle:
4900 nrCastlingRights = 0;
4901 /* !!?unconstrained back-rank shuffle */
4902 shuffleOpenings = 1;
4907 if(appData.NrFiles >= 0) {
4908 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
4909 gameInfo.boardWidth = appData.NrFiles;
4911 if(appData.NrRanks >= 0) {
4912 gameInfo.boardHeight = appData.NrRanks;
4914 if(appData.holdingsSize >= 0) {
4915 i = appData.holdingsSize;
4916 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
4917 gameInfo.holdingsSize = i;
4919 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
4920 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
4921 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
4923 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
4924 if(pawnRow < 1) pawnRow = 1;
4925 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
4927 /* User pieceToChar list overrules defaults */
4928 if(appData.pieceToCharTable != NULL)
4929 SetCharTable(pieceToChar, appData.pieceToCharTable);
4931 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
4933 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
4934 s = (ChessSquare) 0; /* account holding counts in guard band */
4935 for( i=0; i<BOARD_HEIGHT; i++ )
4936 initialPosition[i][j] = s;
4938 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
4939 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
4940 initialPosition[pawnRow][j] = WhitePawn;
4941 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
4942 if(gameInfo.variant == VariantXiangqi) {
4944 initialPosition[pawnRow][j] =
4945 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
4946 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
4947 initialPosition[2][j] = WhiteCannon;
4948 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
4952 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
4954 if( (gameInfo.variant == VariantShogi) && !overrule ) {
4957 initialPosition[1][j] = WhiteBishop;
4958 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
4960 initialPosition[1][j] = WhiteRook;
4961 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
4964 if( nrCastlingRights == -1) {
4965 /* [HGM] Build normal castling rights (must be done after board sizing!) */
4966 /* This sets default castling rights from none to normal corners */
4967 /* Variants with other castling rights must set them themselves above */
4968 nrCastlingRights = 6;
4970 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
4971 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
4972 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
4973 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
4974 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
4975 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
4978 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
4979 if(gameInfo.variant == VariantGreat) { // promotion commoners
4980 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
4981 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
4982 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
4983 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
4985 if (appData.debugMode) {
4986 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
4988 if(shuffleOpenings) {
4989 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
4990 startedFromSetupPosition = TRUE;
4992 if(startedFromPositionFile) {
4993 /* [HGM] loadPos: use PositionFile for every new game */
4994 CopyBoard(initialPosition, filePosition);
4995 for(i=0; i<nrCastlingRights; i++)
4996 initialRights[i] = filePosition[CASTLING][i];
4997 startedFromSetupPosition = TRUE;
5000 CopyBoard(boards[0], initialPosition);
5002 if(oldx != gameInfo.boardWidth ||
5003 oldy != gameInfo.boardHeight ||
5004 oldh != gameInfo.holdingsWidth
5006 || oldv == VariantGothic || // For licensing popups
5007 gameInfo.variant == VariantGothic
5010 || oldv == VariantFalcon ||
5011 gameInfo.variant == VariantFalcon
5014 InitDrawingSizes(-2 ,0);
5017 DrawPosition(TRUE, boards[currentMove]);
5021 SendBoard(cps, moveNum)
5022 ChessProgramState *cps;
5025 char message[MSG_SIZ];
5027 if (cps->useSetboard) {
5028 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5029 sprintf(message, "setboard %s\n", fen);
5030 SendToProgram(message, cps);
5036 /* Kludge to set black to move, avoiding the troublesome and now
5037 * deprecated "black" command.
5039 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5041 SendToProgram("edit\n", cps);
5042 SendToProgram("#\n", cps);
5043 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5044 bp = &boards[moveNum][i][BOARD_LEFT];
5045 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5046 if ((int) *bp < (int) BlackPawn) {
5047 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5049 if(message[0] == '+' || message[0] == '~') {
5050 sprintf(message, "%c%c%c+\n",
5051 PieceToChar((ChessSquare)(DEMOTED *bp)),
5054 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5055 message[1] = BOARD_RGHT - 1 - j + '1';
5056 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5058 SendToProgram(message, cps);
5063 SendToProgram("c\n", cps);
5064 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5065 bp = &boards[moveNum][i][BOARD_LEFT];
5066 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5067 if (((int) *bp != (int) EmptySquare)
5068 && ((int) *bp >= (int) BlackPawn)) {
5069 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5071 if(message[0] == '+' || message[0] == '~') {
5072 sprintf(message, "%c%c%c+\n",
5073 PieceToChar((ChessSquare)(DEMOTED *bp)),
5076 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5077 message[1] = BOARD_RGHT - 1 - j + '1';
5078 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5080 SendToProgram(message, cps);
5085 SendToProgram(".\n", cps);
5087 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5091 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5093 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5094 /* [HGM] add Shogi promotions */
5095 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5100 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5101 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5103 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5104 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5107 piece = boards[currentMove][fromY][fromX];
5108 if(gameInfo.variant == VariantShogi) {
5109 promotionZoneSize = 3;
5110 highestPromotingPiece = (int)WhiteFerz;
5111 } else if(gameInfo.variant == VariantMakruk) {
5112 promotionZoneSize = 3;
5115 // next weed out all moves that do not touch the promotion zone at all
5116 if((int)piece >= BlackPawn) {
5117 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5119 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5121 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5122 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5125 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5127 // weed out mandatory Shogi promotions
5128 if(gameInfo.variant == VariantShogi) {
5129 if(piece >= BlackPawn) {
5130 if(toY == 0 && piece == BlackPawn ||
5131 toY == 0 && piece == BlackQueen ||
5132 toY <= 1 && piece == BlackKnight) {
5137 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5138 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5139 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5146 // weed out obviously illegal Pawn moves
5147 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5148 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5149 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5150 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5151 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5152 // note we are not allowed to test for valid (non-)capture, due to premove
5155 // we either have a choice what to promote to, or (in Shogi) whether to promote
5156 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5157 *promoChoice = PieceToChar(BlackFerz); // no choice
5160 if(appData.alwaysPromoteToQueen) { // predetermined
5161 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5162 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5163 else *promoChoice = PieceToChar(BlackQueen);
5167 // suppress promotion popup on illegal moves that are not premoves
5168 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5169 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5170 if(appData.testLegality && !premove) {
5171 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5172 fromY, fromX, toY, toX, NULLCHAR);
5173 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5174 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5182 InPalace(row, column)
5184 { /* [HGM] for Xiangqi */
5185 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5186 column < (BOARD_WIDTH + 4)/2 &&
5187 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5192 PieceForSquare (x, y)
5196 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5199 return boards[currentMove][y][x];
5203 OKToStartUserMove(x, y)
5206 ChessSquare from_piece;
5209 if (matchMode) return FALSE;
5210 if (gameMode == EditPosition) return TRUE;
5212 if (x >= 0 && y >= 0)
5213 from_piece = boards[currentMove][y][x];
5215 from_piece = EmptySquare;
5217 if (from_piece == EmptySquare) return FALSE;
5219 white_piece = (int)from_piece >= (int)WhitePawn &&
5220 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5223 case PlayFromGameFile:
5225 case TwoMachinesPlay:
5233 case MachinePlaysWhite:
5234 case IcsPlayingBlack:
5235 if (appData.zippyPlay) return FALSE;
5237 DisplayMoveError(_("You are playing Black"));
5242 case MachinePlaysBlack:
5243 case IcsPlayingWhite:
5244 if (appData.zippyPlay) return FALSE;
5246 DisplayMoveError(_("You are playing White"));
5252 if (!white_piece && WhiteOnMove(currentMove)) {
5253 DisplayMoveError(_("It is White's turn"));
5256 if (white_piece && !WhiteOnMove(currentMove)) {
5257 DisplayMoveError(_("It is Black's turn"));
5260 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5261 /* Editing correspondence game history */
5262 /* Could disallow this or prompt for confirmation */
5267 case BeginningOfGame:
5268 if (appData.icsActive) return FALSE;
5269 if (!appData.noChessProgram) {
5271 DisplayMoveError(_("You are playing White"));
5278 if (!white_piece && WhiteOnMove(currentMove)) {
5279 DisplayMoveError(_("It is White's turn"));
5282 if (white_piece && !WhiteOnMove(currentMove)) {
5283 DisplayMoveError(_("It is Black's turn"));
5292 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5293 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5294 && gameMode != AnalyzeFile && gameMode != Training) {
5295 DisplayMoveError(_("Displayed position is not current"));
5301 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5302 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5303 int lastLoadGameUseList = FALSE;
5304 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5305 ChessMove lastLoadGameStart = (ChessMove) 0;
5308 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5309 int fromX, fromY, toX, toY;
5314 ChessSquare pdown, pup;
5316 /* Check if the user is playing in turn. This is complicated because we
5317 let the user "pick up" a piece before it is his turn. So the piece he
5318 tried to pick up may have been captured by the time he puts it down!
5319 Therefore we use the color the user is supposed to be playing in this
5320 test, not the color of the piece that is currently on the starting
5321 square---except in EditGame mode, where the user is playing both
5322 sides; fortunately there the capture race can't happen. (It can
5323 now happen in IcsExamining mode, but that's just too bad. The user
5324 will get a somewhat confusing message in that case.)
5328 case PlayFromGameFile:
5330 case TwoMachinesPlay:
5334 /* We switched into a game mode where moves are not accepted,
5335 perhaps while the mouse button was down. */
5336 return ImpossibleMove;
5338 case MachinePlaysWhite:
5339 /* User is moving for Black */
5340 if (WhiteOnMove(currentMove)) {
5341 DisplayMoveError(_("It is White's turn"));
5342 return ImpossibleMove;
5346 case MachinePlaysBlack:
5347 /* User is moving for White */
5348 if (!WhiteOnMove(currentMove)) {
5349 DisplayMoveError(_("It is Black's turn"));
5350 return ImpossibleMove;
5356 case BeginningOfGame:
5359 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5360 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5361 /* User is moving for Black */
5362 if (WhiteOnMove(currentMove)) {
5363 DisplayMoveError(_("It is White's turn"));
5364 return ImpossibleMove;
5367 /* User is moving for White */
5368 if (!WhiteOnMove(currentMove)) {
5369 DisplayMoveError(_("It is Black's turn"));
5370 return ImpossibleMove;
5375 case IcsPlayingBlack:
5376 /* User is moving for Black */
5377 if (WhiteOnMove(currentMove)) {
5378 if (!appData.premove) {
5379 DisplayMoveError(_("It is White's turn"));
5380 } else if (toX >= 0 && toY >= 0) {
5383 premoveFromX = fromX;
5384 premoveFromY = fromY;
5385 premovePromoChar = promoChar;
5387 if (appData.debugMode)
5388 fprintf(debugFP, "Got premove: fromX %d,"
5389 "fromY %d, toX %d, toY %d\n",
5390 fromX, fromY, toX, toY);
5392 return ImpossibleMove;
5396 case IcsPlayingWhite:
5397 /* User is moving for White */
5398 if (!WhiteOnMove(currentMove)) {
5399 if (!appData.premove) {
5400 DisplayMoveError(_("It is Black's turn"));
5401 } else if (toX >= 0 && toY >= 0) {
5404 premoveFromX = fromX;
5405 premoveFromY = fromY;
5406 premovePromoChar = promoChar;
5408 if (appData.debugMode)
5409 fprintf(debugFP, "Got premove: fromX %d,"
5410 "fromY %d, toX %d, toY %d\n",
5411 fromX, fromY, toX, toY);
5413 return ImpossibleMove;
5421 /* EditPosition, empty square, or different color piece;
5422 click-click move is possible */
5423 if (toX == -2 || toY == -2) {
5424 boards[0][fromY][fromX] = EmptySquare;
5425 return AmbiguousMove;
5426 } else if (toX >= 0 && toY >= 0) {
5427 boards[0][toY][toX] = boards[0][fromY][fromX];
5428 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5429 if(boards[0][fromY][0] != EmptySquare) {
5430 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5431 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5434 if(fromX == BOARD_RGHT+1) {
5435 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5436 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5437 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5440 boards[0][fromY][fromX] = EmptySquare;
5441 return AmbiguousMove;
5443 return ImpossibleMove;
5446 if(toX < 0 || toY < 0) return ImpossibleMove;
5447 pdown = boards[currentMove][fromY][fromX];
5448 pup = boards[currentMove][toY][toX];
5450 /* [HGM] If move started in holdings, it means a drop */
5451 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5452 if( pup != EmptySquare ) return ImpossibleMove;
5453 if(appData.testLegality) {
5454 /* it would be more logical if LegalityTest() also figured out
5455 * which drops are legal. For now we forbid pawns on back rank.
5456 * Shogi is on its own here...
5458 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5459 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5460 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5462 return WhiteDrop; /* Not needed to specify white or black yet */
5465 /* [HGM] always test for legality, to get promotion info */
5466 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5467 fromY, fromX, toY, toX, promoChar);
5468 /* [HGM] but possibly ignore an IllegalMove result */
5469 if (appData.testLegality) {
5470 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5471 DisplayMoveError(_("Illegal move"));
5472 return ImpossibleMove;
5477 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5478 function is made into one that returns an OK move type if FinishMove
5479 should be called. This to give the calling driver routine the
5480 opportunity to finish the userMove input with a promotion popup,
5481 without bothering the user with this for invalid or illegal moves */
5483 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5486 /* Common tail of UserMoveEvent and DropMenuEvent */
5488 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5490 int fromX, fromY, toX, toY;
5491 /*char*/int promoChar;
5495 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5496 // [HGM] superchess: suppress promotions to non-available piece
5497 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5498 if(WhiteOnMove(currentMove)) {
5499 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5501 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5505 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5506 move type in caller when we know the move is a legal promotion */
5507 if(moveType == NormalMove && promoChar)
5508 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5510 /* [HGM] convert drag-and-drop piece drops to standard form */
5511 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5512 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5513 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5514 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5515 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5516 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5517 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5518 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5522 /* [HGM] <popupFix> The following if has been moved here from
5523 UserMoveEvent(). Because it seemed to belong here (why not allow
5524 piece drops in training games?), and because it can only be
5525 performed after it is known to what we promote. */
5526 if (gameMode == Training) {
5527 /* compare the move played on the board to the next move in the
5528 * game. If they match, display the move and the opponent's response.
5529 * If they don't match, display an error message.
5533 CopyBoard(testBoard, boards[currentMove]);
5534 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
5536 if (CompareBoards(testBoard, boards[currentMove+1])) {
5537 ForwardInner(currentMove+1);
5539 /* Autoplay the opponent's response.
5540 * if appData.animate was TRUE when Training mode was entered,
5541 * the response will be animated.
5543 saveAnimate = appData.animate;
5544 appData.animate = animateTraining;
5545 ForwardInner(currentMove+1);
5546 appData.animate = saveAnimate;
5548 /* check for the end of the game */
5549 if (currentMove >= forwardMostMove) {
5550 gameMode = PlayFromGameFile;
5552 SetTrainingModeOff();
5553 DisplayInformation(_("End of game"));
5556 DisplayError(_("Incorrect move"), 0);
5561 /* Ok, now we know that the move is good, so we can kill
5562 the previous line in Analysis Mode */
5563 if ((gameMode == AnalyzeMode || gameMode == EditGame)
5564 && currentMove < forwardMostMove) {
5565 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
5568 /* If we need the chess program but it's dead, restart it */
5569 ResurrectChessProgram();
5571 /* A user move restarts a paused game*/
5575 thinkOutput[0] = NULLCHAR;
5577 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5579 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
5581 if (gameMode == BeginningOfGame) {
5582 if (appData.noChessProgram) {
5583 gameMode = EditGame;
5587 gameMode = MachinePlaysBlack;
5590 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5592 if (first.sendName) {
5593 sprintf(buf, "name %s\n", gameInfo.white);
5594 SendToProgram(buf, &first);
5601 /* Relay move to ICS or chess engine */
5602 if (appData.icsActive) {
5603 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5604 gameMode == IcsExamining) {
5605 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
5606 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
5608 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5610 // also send plain move, in case ICS does not understand atomic claims
5611 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5615 if (first.sendTime && (gameMode == BeginningOfGame ||
5616 gameMode == MachinePlaysWhite ||
5617 gameMode == MachinePlaysBlack)) {
5618 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5620 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5621 // [HGM] book: if program might be playing, let it use book
5622 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5623 first.maybeThinking = TRUE;
5624 } else SendMoveToProgram(forwardMostMove-1, &first);
5625 if (currentMove == cmailOldMove + 1) {
5626 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5630 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5634 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
5640 if (WhiteOnMove(currentMove)) {
5641 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5643 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5647 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5652 case MachinePlaysBlack:
5653 case MachinePlaysWhite:
5654 /* disable certain menu options while machine is thinking */
5655 SetMachineThinkingEnables();
5662 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
5664 if(bookHit) { // [HGM] book: simulate book reply
5665 static char bookMove[MSG_SIZ]; // a bit generous?
5667 programStats.nodes = programStats.depth = programStats.time =
5668 programStats.score = programStats.got_only_move = 0;
5669 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5671 strcpy(bookMove, "move ");
5672 strcat(bookMove, bookHit);
5673 HandleMachineMove(bookMove, &first);
5679 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5680 int fromX, fromY, toX, toY;
5683 /* [HGM] This routine was added to allow calling of its two logical
5684 parts from other modules in the old way. Before, UserMoveEvent()
5685 automatically called FinishMove() if the move was OK, and returned
5686 otherwise. I separated the two, in order to make it possible to
5687 slip a promotion popup in between. But that it always needs two
5688 calls, to the first part, (now called UserMoveTest() ), and to
5689 FinishMove if the first part succeeded. Calls that do not need
5690 to do anything in between, can call this routine the old way.
5692 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
5693 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
5694 if(moveType == AmbiguousMove)
5695 DrawPosition(FALSE, boards[currentMove]);
5696 else if(moveType != ImpossibleMove && moveType != Comment)
5697 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
5701 Mark(board, flags, kind, rf, ff, rt, ft, closure)
5708 typedef char Markers[BOARD_RANKS][BOARD_FILES];
5709 Markers *m = (Markers *) closure;
5710 if(rf == fromY && ff == fromX)
5711 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
5712 || kind == WhiteCapturesEnPassant
5713 || kind == BlackCapturesEnPassant);
5714 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
5718 MarkTargetSquares(int clear)
5721 if(!appData.markers || !appData.highlightDragging ||
5722 !appData.testLegality || gameMode == EditPosition) return;
5724 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
5727 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
5728 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
5729 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
5731 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
5734 DrawPosition(TRUE, NULL);
5737 void LeftClick(ClickType clickType, int xPix, int yPix)
5740 Boolean saveAnimate;
5741 static int second = 0, promotionChoice = 0;
5742 char promoChoice = NULLCHAR;
5744 if (clickType == Press) ErrorPopDown();
5745 MarkTargetSquares(1);
5747 x = EventToSquare(xPix, BOARD_WIDTH);
5748 y = EventToSquare(yPix, BOARD_HEIGHT);
5749 if (!flipView && y >= 0) {
5750 y = BOARD_HEIGHT - 1 - y;
5752 if (flipView && x >= 0) {
5753 x = BOARD_WIDTH - 1 - x;
5756 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
5757 if(clickType == Release) return; // ignore upclick of click-click destination
5758 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
5759 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
5760 if(gameInfo.holdingsWidth &&
5761 (WhiteOnMove(currentMove)
5762 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
5763 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
5764 // click in right holdings, for determining promotion piece
5765 ChessSquare p = boards[currentMove][y][x];
5766 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
5767 if(p != EmptySquare) {
5768 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
5773 DrawPosition(FALSE, boards[currentMove]);
5777 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
5778 if(clickType == Press
5779 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
5780 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
5781 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
5785 if (clickType == Press) {
5787 if (OKToStartUserMove(x, y)) {
5791 MarkTargetSquares(0);
5792 DragPieceBegin(xPix, yPix);
5793 if (appData.highlightDragging) {
5794 SetHighlights(x, y, -1, -1);
5802 if (clickType == Press && gameMode != EditPosition) {
5807 // ignore off-board to clicks
5808 if(y < 0 || x < 0) return;
5810 /* Check if clicking again on the same color piece */
5811 fromP = boards[currentMove][fromY][fromX];
5812 toP = boards[currentMove][y][x];
5813 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
5814 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
5815 WhitePawn <= toP && toP <= WhiteKing &&
5816 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
5817 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
5818 (BlackPawn <= fromP && fromP <= BlackKing &&
5819 BlackPawn <= toP && toP <= BlackKing &&
5820 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
5821 !(fromP == BlackKing && toP == BlackRook && frc))) {
5822 /* Clicked again on same color piece -- changed his mind */
5823 second = (x == fromX && y == fromY);
5824 if (appData.highlightDragging) {
5825 SetHighlights(x, y, -1, -1);
5829 if (OKToStartUserMove(x, y)) {
5832 MarkTargetSquares(0);
5833 DragPieceBegin(xPix, yPix);
5837 // ignore clicks on holdings
5838 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
5841 if (clickType == Release && x == fromX && y == fromY) {
5842 DragPieceEnd(xPix, yPix);
5843 if (appData.animateDragging) {
5844 /* Undo animation damage if any */
5845 DrawPosition(FALSE, NULL);
5848 /* Second up/down in same square; just abort move */
5853 ClearPremoveHighlights();
5855 /* First upclick in same square; start click-click mode */
5856 SetHighlights(x, y, -1, -1);
5861 /* we now have a different from- and (possibly off-board) to-square */
5862 /* Completed move */
5865 saveAnimate = appData.animate;
5866 if (clickType == Press) {
5867 /* Finish clickclick move */
5868 if (appData.animate || appData.highlightLastMove) {
5869 SetHighlights(fromX, fromY, toX, toY);
5874 /* Finish drag move */
5875 if (appData.highlightLastMove) {
5876 SetHighlights(fromX, fromY, toX, toY);
5880 DragPieceEnd(xPix, yPix);
5881 /* Don't animate move and drag both */
5882 appData.animate = FALSE;
5885 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
5886 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
5887 ChessSquare piece = boards[currentMove][fromY][fromX];
5888 if(gameMode == EditPosition && piece != EmptySquare &&
5889 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
5892 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
5893 n = PieceToNumber(piece - (int)BlackPawn);
5894 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
5895 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
5896 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
5898 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
5899 n = PieceToNumber(piece);
5900 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
5901 boards[currentMove][n][BOARD_WIDTH-1] = piece;
5902 boards[currentMove][n][BOARD_WIDTH-2]++;
5904 boards[currentMove][fromY][fromX] = EmptySquare;
5908 DrawPosition(TRUE, boards[currentMove]);
5912 // off-board moves should not be highlighted
5913 if(x < 0 || x < 0) ClearHighlights();
5915 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
5916 SetHighlights(fromX, fromY, toX, toY);
5917 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
5918 // [HGM] super: promotion to captured piece selected from holdings
5919 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
5920 promotionChoice = TRUE;
5921 // kludge follows to temporarily execute move on display, without promoting yet
5922 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
5923 boards[currentMove][toY][toX] = p;
5924 DrawPosition(FALSE, boards[currentMove]);
5925 boards[currentMove][fromY][fromX] = p; // take back, but display stays
5926 boards[currentMove][toY][toX] = q;
5927 DisplayMessage("Click in holdings to choose piece", "");
5932 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
5933 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
5934 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
5937 appData.animate = saveAnimate;
5938 if (appData.animate || appData.animateDragging) {
5939 /* Undo animation damage if needed */
5940 DrawPosition(FALSE, NULL);
5944 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
5945 { // front-end-free part taken out of PieceMenuPopup
5948 if (action == Release) UnLoadPV(); // [HGM] pv
5949 if (action != Press) return -2;
5956 if(!appData.icsEngineAnalyze) return -1;
5957 case IcsPlayingWhite:
5958 case IcsPlayingBlack:
5959 if(!appData.zippyPlay) goto noZip;
5962 case MachinePlaysWhite:
5963 case MachinePlaysBlack:
5964 case TwoMachinesPlay: // [HGM] pv: use for showing PV
5965 if (!appData.dropMenu) {
5969 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
5970 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
5973 if (!appData.dropMenu || appData.testLegality &&
5974 gameInfo.variant != VariantBughouse &&
5975 gameInfo.variant != VariantCrazyhouse) return -1;
5982 if (((*fromX = EventToSquare(x, BOARD_WIDTH)) < 0) ||
5983 ((*fromY = EventToSquare(y, BOARD_HEIGHT)) < 0)) {
5984 *fromX = *fromY = -1;
5988 *fromX = BOARD_WIDTH - 1 - *fromX;
5990 *fromY = BOARD_HEIGHT - 1 - *fromY;
5995 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
5997 // char * hint = lastHint;
5998 FrontEndProgramStats stats;
6000 stats.which = cps == &first ? 0 : 1;
6001 stats.depth = cpstats->depth;
6002 stats.nodes = cpstats->nodes;
6003 stats.score = cpstats->score;
6004 stats.time = cpstats->time;
6005 stats.pv = cpstats->movelist;
6006 stats.hint = lastHint;
6007 stats.an_move_index = 0;
6008 stats.an_move_count = 0;
6010 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6011 stats.hint = cpstats->move_name;
6012 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6013 stats.an_move_count = cpstats->nr_moves;
6016 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6018 SetProgramStats( &stats );
6022 Adjudicate(ChessProgramState *cps)
6023 { // [HGM] some adjudications useful with buggy engines
6024 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6025 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6026 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6027 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6028 int k, count = 0; static int bare = 1;
6029 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6030 Boolean canAdjudicate = !appData.icsActive;
6032 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6033 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6034 if( appData.testLegality )
6035 { /* [HGM] Some more adjudications for obstinate engines */
6036 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6037 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6038 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6039 static int moveCount = 6;
6041 char *reason = NULL;
6043 /* Count what is on board. */
6044 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6045 { ChessSquare p = boards[forwardMostMove][i][j];
6049 { /* count B,N,R and other of each side */
6052 NrK++; break; // [HGM] atomic: count Kings
6056 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6057 bishopsColor |= 1 << ((i^j)&1);
6062 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6063 bishopsColor |= 1 << ((i^j)&1);
6078 PawnAdvance += m; NrPawns++;
6080 NrPieces += (p != EmptySquare);
6081 NrW += ((int)p < (int)BlackPawn);
6082 if(gameInfo.variant == VariantXiangqi &&
6083 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6084 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6085 NrW -= ((int)p < (int)BlackPawn);
6089 /* Some material-based adjudications that have to be made before stalemate test */
6090 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6091 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6092 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6093 if(canAdjudicate && appData.checkMates) {
6095 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6096 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6097 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6098 "Xboard adjudication: King destroyed", GE_XBOARD );
6103 /* Bare King in Shatranj (loses) or Losers (wins) */
6104 if( NrW == 1 || NrPieces - NrW == 1) {
6105 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6106 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6107 if(canAdjudicate && appData.checkMates) {
6109 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6110 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6111 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6112 "Xboard adjudication: Bare king", GE_XBOARD );
6116 if( gameInfo.variant == VariantShatranj && --bare < 0)
6118 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6119 if(canAdjudicate && appData.checkMates) {
6120 /* but only adjudicate if adjudication enabled */
6122 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6123 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6124 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6125 "Xboard adjudication: Bare king", GE_XBOARD );
6132 // don't wait for engine to announce game end if we can judge ourselves
6133 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6135 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6136 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6137 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6138 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6141 reason = "Xboard adjudication: 3rd check";
6142 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6152 reason = "Xboard adjudication: Stalemate";
6153 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6154 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6155 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6156 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6157 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6158 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6159 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6160 EP_CHECKMATE : EP_WINS);
6161 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6162 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6166 reason = "Xboard adjudication: Checkmate";
6167 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6171 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6173 result = GameIsDrawn; break;
6175 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6177 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6179 result = (ChessMove) 0;
6181 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6183 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6184 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6185 GameEnds( result, reason, GE_XBOARD );
6189 /* Next absolutely insufficient mating material. */
6190 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6191 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6192 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6193 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6194 { /* KBK, KNK, KK of KBKB with like Bishops */
6196 /* always flag draws, for judging claims */
6197 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6199 if(canAdjudicate && appData.materialDraws) {
6200 /* but only adjudicate them if adjudication enabled */
6201 if(engineOpponent) {
6202 SendToProgram("force\n", engineOpponent); // suppress reply
6203 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6205 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6206 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6211 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6213 ( NrWR == 1 && NrBR == 1 /* KRKR */
6214 || NrWQ==1 && NrBQ==1 /* KQKQ */
6215 || NrWN==2 || NrBN==2 /* KNNK */
6216 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6218 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6219 { /* if the first 3 moves do not show a tactical win, declare draw */
6220 if(engineOpponent) {
6221 SendToProgram("force\n", engineOpponent); // suppress reply
6222 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6224 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6225 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6228 } else moveCount = 6;
6232 if (appData.debugMode) { int i;
6233 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6234 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6235 appData.drawRepeats);
6236 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6237 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6241 // Repetition draws and 50-move rule can be applied independently of legality testing
6243 /* Check for rep-draws */
6245 for(k = forwardMostMove-2;
6246 k>=backwardMostMove && k>=forwardMostMove-100 &&
6247 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6248 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6251 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6252 /* compare castling rights */
6253 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6254 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6255 rights++; /* King lost rights, while rook still had them */
6256 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6257 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6258 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6259 rights++; /* but at least one rook lost them */
6261 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6262 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6264 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6265 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6266 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6269 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6270 && appData.drawRepeats > 1) {
6271 /* adjudicate after user-specified nr of repeats */
6272 if(engineOpponent) {
6273 SendToProgram("force\n", engineOpponent); // suppress reply
6274 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6276 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6277 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6278 // [HGM] xiangqi: check for forbidden perpetuals
6279 int m, ourPerpetual = 1, hisPerpetual = 1;
6280 for(m=forwardMostMove; m>k; m-=2) {
6281 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6282 ourPerpetual = 0; // the current mover did not always check
6283 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6284 hisPerpetual = 0; // the opponent did not always check
6286 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6287 ourPerpetual, hisPerpetual);
6288 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6289 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6290 "Xboard adjudication: perpetual checking", GE_XBOARD );
6293 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6294 break; // (or we would have caught him before). Abort repetition-checking loop.
6295 // Now check for perpetual chases
6296 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6297 hisPerpetual = PerpetualChase(k, forwardMostMove);
6298 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6299 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6300 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6301 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6304 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6305 break; // Abort repetition-checking loop.
6307 // if neither of us is checking or chasing all the time, or both are, it is draw
6309 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6312 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6313 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6317 /* Now we test for 50-move draws. Determine ply count */
6318 count = forwardMostMove;
6319 /* look for last irreversble move */
6320 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6322 /* if we hit starting position, add initial plies */
6323 if( count == backwardMostMove )
6324 count -= initialRulePlies;
6325 count = forwardMostMove - count;
6327 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6328 /* this is used to judge if draw claims are legal */
6329 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6330 if(engineOpponent) {
6331 SendToProgram("force\n", engineOpponent); // suppress reply
6332 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6334 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6335 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6339 /* if draw offer is pending, treat it as a draw claim
6340 * when draw condition present, to allow engines a way to
6341 * claim draws before making their move to avoid a race
6342 * condition occurring after their move
6344 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6346 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6347 p = "Draw claim: 50-move rule";
6348 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6349 p = "Draw claim: 3-fold repetition";
6350 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6351 p = "Draw claim: insufficient mating material";
6352 if( p != NULL && canAdjudicate) {
6353 if(engineOpponent) {
6354 SendToProgram("force\n", engineOpponent); // suppress reply
6355 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6357 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6358 GameEnds( GameIsDrawn, p, GE_XBOARD );
6363 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6364 if(engineOpponent) {
6365 SendToProgram("force\n", engineOpponent); // suppress reply
6366 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6368 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6369 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6375 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6376 { // [HGM] book: this routine intercepts moves to simulate book replies
6377 char *bookHit = NULL;
6379 //first determine if the incoming move brings opponent into his book
6380 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6381 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6382 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6383 if(bookHit != NULL && !cps->bookSuspend) {
6384 // make sure opponent is not going to reply after receiving move to book position
6385 SendToProgram("force\n", cps);
6386 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6388 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6389 // now arrange restart after book miss
6391 // after a book hit we never send 'go', and the code after the call to this routine
6392 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6394 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6395 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6396 SendToProgram(buf, cps);
6397 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6398 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6399 SendToProgram("go\n", cps);
6400 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6401 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6402 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6403 SendToProgram("go\n", cps);
6404 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6406 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6410 ChessProgramState *savedState;
6411 void DeferredBookMove(void)
6413 if(savedState->lastPing != savedState->lastPong)
6414 ScheduleDelayedEvent(DeferredBookMove, 10);
6416 HandleMachineMove(savedMessage, savedState);
6420 HandleMachineMove(message, cps)
6422 ChessProgramState *cps;
6424 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6425 char realname[MSG_SIZ];
6426 int fromX, fromY, toX, toY;
6435 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6437 * Kludge to ignore BEL characters
6439 while (*message == '\007') message++;
6442 * [HGM] engine debug message: ignore lines starting with '#' character
6444 if(cps->debug && *message == '#') return;
6447 * Look for book output
6449 if (cps == &first && bookRequested) {
6450 if (message[0] == '\t' || message[0] == ' ') {
6451 /* Part of the book output is here; append it */
6452 strcat(bookOutput, message);
6453 strcat(bookOutput, " \n");
6455 } else if (bookOutput[0] != NULLCHAR) {
6456 /* All of book output has arrived; display it */
6457 char *p = bookOutput;
6458 while (*p != NULLCHAR) {
6459 if (*p == '\t') *p = ' ';
6462 DisplayInformation(bookOutput);
6463 bookRequested = FALSE;
6464 /* Fall through to parse the current output */
6469 * Look for machine move.
6471 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6472 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6474 /* This method is only useful on engines that support ping */
6475 if (cps->lastPing != cps->lastPong) {
6476 if (gameMode == BeginningOfGame) {
6477 /* Extra move from before last new; ignore */
6478 if (appData.debugMode) {
6479 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6482 if (appData.debugMode) {
6483 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6484 cps->which, gameMode);
6487 SendToProgram("undo\n", cps);
6493 case BeginningOfGame:
6494 /* Extra move from before last reset; ignore */
6495 if (appData.debugMode) {
6496 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6503 /* Extra move after we tried to stop. The mode test is
6504 not a reliable way of detecting this problem, but it's
6505 the best we can do on engines that don't support ping.
6507 if (appData.debugMode) {
6508 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6509 cps->which, gameMode);
6511 SendToProgram("undo\n", cps);
6514 case MachinePlaysWhite:
6515 case IcsPlayingWhite:
6516 machineWhite = TRUE;
6519 case MachinePlaysBlack:
6520 case IcsPlayingBlack:
6521 machineWhite = FALSE;
6524 case TwoMachinesPlay:
6525 machineWhite = (cps->twoMachinesColor[0] == 'w');
6528 if (WhiteOnMove(forwardMostMove) != machineWhite) {
6529 if (appData.debugMode) {
6531 "Ignoring move out of turn by %s, gameMode %d"
6532 ", forwardMost %d\n",
6533 cps->which, gameMode, forwardMostMove);
6538 if (appData.debugMode) { int f = forwardMostMove;
6539 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
6540 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
6541 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
6543 if(cps->alphaRank) AlphaRank(machineMove, 4);
6544 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
6545 &fromX, &fromY, &toX, &toY, &promoChar)) {
6546 /* Machine move could not be parsed; ignore it. */
6547 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
6548 machineMove, cps->which);
6549 DisplayError(buf1, 0);
6550 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
6551 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
6552 if (gameMode == TwoMachinesPlay) {
6553 GameEnds(machineWhite ? BlackWins : WhiteWins,
6559 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
6560 /* So we have to redo legality test with true e.p. status here, */
6561 /* to make sure an illegal e.p. capture does not slip through, */
6562 /* to cause a forfeit on a justified illegal-move complaint */
6563 /* of the opponent. */
6564 if( gameMode==TwoMachinesPlay && appData.testLegality
6565 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
6568 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
6569 fromY, fromX, toY, toX, promoChar);
6570 if (appData.debugMode) {
6572 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
6573 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
6574 fprintf(debugFP, "castling rights\n");
6576 if(moveType == IllegalMove) {
6577 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
6578 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
6579 GameEnds(machineWhite ? BlackWins : WhiteWins,
6582 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
6583 /* [HGM] Kludge to handle engines that send FRC-style castling
6584 when they shouldn't (like TSCP-Gothic) */
6586 case WhiteASideCastleFR:
6587 case BlackASideCastleFR:
6589 currentMoveString[2]++;
6591 case WhiteHSideCastleFR:
6592 case BlackHSideCastleFR:
6594 currentMoveString[2]--;
6596 default: ; // nothing to do, but suppresses warning of pedantic compilers
6599 hintRequested = FALSE;
6600 lastHint[0] = NULLCHAR;
6601 bookRequested = FALSE;
6602 /* Program may be pondering now */
6603 cps->maybeThinking = TRUE;
6604 if (cps->sendTime == 2) cps->sendTime = 1;
6605 if (cps->offeredDraw) cps->offeredDraw--;
6607 /* currentMoveString is set as a side-effect of ParseOneMove */
6608 strcpy(machineMove, currentMoveString);
6609 strcat(machineMove, "\n");
6610 strcpy(moveList[forwardMostMove], machineMove);
6612 /* [AS] Save move info and clear stats for next move */
6613 pvInfoList[ forwardMostMove ].score = programStats.score;
6614 pvInfoList[ forwardMostMove ].depth = programStats.depth;
6615 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
6616 ClearProgramStats();
6617 thinkOutput[0] = NULLCHAR;
6618 hiddenThinkOutputState = 0;
6620 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
6622 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
6623 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
6626 while( count < adjudicateLossPlies ) {
6627 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
6630 score = -score; /* Flip score for winning side */
6633 if( score > adjudicateLossThreshold ) {
6640 if( count >= adjudicateLossPlies ) {
6641 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6643 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6644 "Xboard adjudication",
6651 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
6654 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
6656 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6657 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6659 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6661 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6663 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
6664 char buf[3*MSG_SIZ];
6666 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
6667 programStats.score / 100.,
6669 programStats.time / 100.,
6670 (unsigned int)programStats.nodes,
6671 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
6672 programStats.movelist);
6674 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
6680 if (gameMode == TwoMachinesPlay) {
6681 /* [HGM] relaying draw offers moved to after reception of move */
6682 /* and interpreting offer as claim if it brings draw condition */
6683 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
6684 SendToProgram("draw\n", cps->other);
6686 if (cps->other->sendTime) {
6687 SendTimeRemaining(cps->other,
6688 cps->other->twoMachinesColor[0] == 'w');
6690 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
6691 if (firstMove && !bookHit) {
6693 if (cps->other->useColors) {
6694 SendToProgram(cps->other->twoMachinesColor, cps->other);
6696 SendToProgram("go\n", cps->other);
6698 cps->other->maybeThinking = TRUE;
6701 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6703 if (!pausing && appData.ringBellAfterMoves) {
6708 * Reenable menu items that were disabled while
6709 * machine was thinking
6711 if (gameMode != TwoMachinesPlay)
6712 SetUserThinkingEnables();
6714 // [HGM] book: after book hit opponent has received move and is now in force mode
6715 // force the book reply into it, and then fake that it outputted this move by jumping
6716 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
6718 static char bookMove[MSG_SIZ]; // a bit generous?
6720 strcpy(bookMove, "move ");
6721 strcat(bookMove, bookHit);
6724 programStats.nodes = programStats.depth = programStats.time =
6725 programStats.score = programStats.got_only_move = 0;
6726 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6728 if(cps->lastPing != cps->lastPong) {
6729 savedMessage = message; // args for deferred call
6731 ScheduleDelayedEvent(DeferredBookMove, 10);
6740 /* Set special modes for chess engines. Later something general
6741 * could be added here; for now there is just one kludge feature,
6742 * needed because Crafty 15.10 and earlier don't ignore SIGINT
6743 * when "xboard" is given as an interactive command.
6745 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
6746 cps->useSigint = FALSE;
6747 cps->useSigterm = FALSE;
6749 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
6750 ParseFeatures(message+8, cps);
6751 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
6754 /* [HGM] Allow engine to set up a position. Don't ask me why one would
6755 * want this, I was asked to put it in, and obliged.
6757 if (!strncmp(message, "setboard ", 9)) {
6758 Board initial_position;
6760 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
6762 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
6763 DisplayError(_("Bad FEN received from engine"), 0);
6767 CopyBoard(boards[0], initial_position);
6768 initialRulePlies = FENrulePlies;
6769 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
6770 else gameMode = MachinePlaysBlack;
6771 DrawPosition(FALSE, boards[currentMove]);
6777 * Look for communication commands
6779 if (!strncmp(message, "telluser ", 9)) {
6780 DisplayNote(message + 9);
6783 if (!strncmp(message, "tellusererror ", 14)) {
6785 DisplayError(message + 14, 0);
6788 if (!strncmp(message, "tellopponent ", 13)) {
6789 if (appData.icsActive) {
6791 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
6795 DisplayNote(message + 13);
6799 if (!strncmp(message, "tellothers ", 11)) {
6800 if (appData.icsActive) {
6802 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
6808 if (!strncmp(message, "tellall ", 8)) {
6809 if (appData.icsActive) {
6811 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
6815 DisplayNote(message + 8);
6819 if (strncmp(message, "warning", 7) == 0) {
6820 /* Undocumented feature, use tellusererror in new code */
6821 DisplayError(message, 0);
6824 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
6825 strcpy(realname, cps->tidy);
6826 strcat(realname, " query");
6827 AskQuestion(realname, buf2, buf1, cps->pr);
6830 /* Commands from the engine directly to ICS. We don't allow these to be
6831 * sent until we are logged on. Crafty kibitzes have been known to
6832 * interfere with the login process.
6835 if (!strncmp(message, "tellics ", 8)) {
6836 SendToICS(message + 8);
6840 if (!strncmp(message, "tellicsnoalias ", 15)) {
6841 SendToICS(ics_prefix);
6842 SendToICS(message + 15);
6846 /* The following are for backward compatibility only */
6847 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
6848 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
6849 SendToICS(ics_prefix);
6855 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
6859 * If the move is illegal, cancel it and redraw the board.
6860 * Also deal with other error cases. Matching is rather loose
6861 * here to accommodate engines written before the spec.
6863 if (strncmp(message + 1, "llegal move", 11) == 0 ||
6864 strncmp(message, "Error", 5) == 0) {
6865 if (StrStr(message, "name") ||
6866 StrStr(message, "rating") || StrStr(message, "?") ||
6867 StrStr(message, "result") || StrStr(message, "board") ||
6868 StrStr(message, "bk") || StrStr(message, "computer") ||
6869 StrStr(message, "variant") || StrStr(message, "hint") ||
6870 StrStr(message, "random") || StrStr(message, "depth") ||
6871 StrStr(message, "accepted")) {
6874 if (StrStr(message, "protover")) {
6875 /* Program is responding to input, so it's apparently done
6876 initializing, and this error message indicates it is
6877 protocol version 1. So we don't need to wait any longer
6878 for it to initialize and send feature commands. */
6879 FeatureDone(cps, 1);
6880 cps->protocolVersion = 1;
6883 cps->maybeThinking = FALSE;
6885 if (StrStr(message, "draw")) {
6886 /* Program doesn't have "draw" command */
6887 cps->sendDrawOffers = 0;
6890 if (cps->sendTime != 1 &&
6891 (StrStr(message, "time") || StrStr(message, "otim"))) {
6892 /* Program apparently doesn't have "time" or "otim" command */
6896 if (StrStr(message, "analyze")) {
6897 cps->analysisSupport = FALSE;
6898 cps->analyzing = FALSE;
6900 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
6901 DisplayError(buf2, 0);
6904 if (StrStr(message, "(no matching move)st")) {
6905 /* Special kludge for GNU Chess 4 only */
6906 cps->stKludge = TRUE;
6907 SendTimeControl(cps, movesPerSession, timeControl,
6908 timeIncrement, appData.searchDepth,
6912 if (StrStr(message, "(no matching move)sd")) {
6913 /* Special kludge for GNU Chess 4 only */
6914 cps->sdKludge = TRUE;
6915 SendTimeControl(cps, movesPerSession, timeControl,
6916 timeIncrement, appData.searchDepth,
6920 if (!StrStr(message, "llegal")) {
6923 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6924 gameMode == IcsIdle) return;
6925 if (forwardMostMove <= backwardMostMove) return;
6926 if (pausing) PauseEvent();
6927 if(appData.forceIllegal) {
6928 // [HGM] illegal: machine refused move; force position after move into it
6929 SendToProgram("force\n", cps);
6930 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
6931 // we have a real problem now, as SendBoard will use the a2a3 kludge
6932 // when black is to move, while there might be nothing on a2 or black
6933 // might already have the move. So send the board as if white has the move.
6934 // But first we must change the stm of the engine, as it refused the last move
6935 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
6936 if(WhiteOnMove(forwardMostMove)) {
6937 SendToProgram("a7a6\n", cps); // for the engine black still had the move
6938 SendBoard(cps, forwardMostMove); // kludgeless board
6940 SendToProgram("a2a3\n", cps); // for the engine white still had the move
6941 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
6942 SendBoard(cps, forwardMostMove+1); // kludgeless board
6944 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
6945 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
6946 gameMode == TwoMachinesPlay)
6947 SendToProgram("go\n", cps);
6950 if (gameMode == PlayFromGameFile) {
6951 /* Stop reading this game file */
6952 gameMode = EditGame;
6955 currentMove = --forwardMostMove;
6956 DisplayMove(currentMove-1); /* before DisplayMoveError */
6958 DisplayBothClocks();
6959 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
6960 parseList[currentMove], cps->which);
6961 DisplayMoveError(buf1);
6962 DrawPosition(FALSE, boards[currentMove]);
6964 /* [HGM] illegal-move claim should forfeit game when Xboard */
6965 /* only passes fully legal moves */
6966 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
6967 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
6968 "False illegal-move claim", GE_XBOARD );
6972 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
6973 /* Program has a broken "time" command that
6974 outputs a string not ending in newline.
6980 * If chess program startup fails, exit with an error message.
6981 * Attempts to recover here are futile.
6983 if ((StrStr(message, "unknown host") != NULL)
6984 || (StrStr(message, "No remote directory") != NULL)
6985 || (StrStr(message, "not found") != NULL)
6986 || (StrStr(message, "No such file") != NULL)
6987 || (StrStr(message, "can't alloc") != NULL)
6988 || (StrStr(message, "Permission denied") != NULL)) {
6990 cps->maybeThinking = FALSE;
6991 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
6992 cps->which, cps->program, cps->host, message);
6993 RemoveInputSource(cps->isr);
6994 DisplayFatalError(buf1, 0, 1);
6999 * Look for hint output
7001 if (sscanf(message, "Hint: %s", buf1) == 1) {
7002 if (cps == &first && hintRequested) {
7003 hintRequested = FALSE;
7004 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7005 &fromX, &fromY, &toX, &toY, &promoChar)) {
7006 (void) CoordsToAlgebraic(boards[forwardMostMove],
7007 PosFlags(forwardMostMove),
7008 fromY, fromX, toY, toX, promoChar, buf1);
7009 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7010 DisplayInformation(buf2);
7012 /* Hint move could not be parsed!? */
7013 snprintf(buf2, sizeof(buf2),
7014 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7016 DisplayError(buf2, 0);
7019 strcpy(lastHint, buf1);
7025 * Ignore other messages if game is not in progress
7027 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7028 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7031 * look for win, lose, draw, or draw offer
7033 if (strncmp(message, "1-0", 3) == 0) {
7034 char *p, *q, *r = "";
7035 p = strchr(message, '{');
7043 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7045 } else if (strncmp(message, "0-1", 3) == 0) {
7046 char *p, *q, *r = "";
7047 p = strchr(message, '{');
7055 /* Kludge for Arasan 4.1 bug */
7056 if (strcmp(r, "Black resigns") == 0) {
7057 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7060 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7062 } else if (strncmp(message, "1/2", 3) == 0) {
7063 char *p, *q, *r = "";
7064 p = strchr(message, '{');
7073 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7076 } else if (strncmp(message, "White resign", 12) == 0) {
7077 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7079 } else if (strncmp(message, "Black resign", 12) == 0) {
7080 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7082 } else if (strncmp(message, "White matches", 13) == 0 ||
7083 strncmp(message, "Black matches", 13) == 0 ) {
7084 /* [HGM] ignore GNUShogi noises */
7086 } else if (strncmp(message, "White", 5) == 0 &&
7087 message[5] != '(' &&
7088 StrStr(message, "Black") == NULL) {
7089 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7091 } else if (strncmp(message, "Black", 5) == 0 &&
7092 message[5] != '(') {
7093 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7095 } else if (strcmp(message, "resign") == 0 ||
7096 strcmp(message, "computer resigns") == 0) {
7098 case MachinePlaysBlack:
7099 case IcsPlayingBlack:
7100 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7102 case MachinePlaysWhite:
7103 case IcsPlayingWhite:
7104 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7106 case TwoMachinesPlay:
7107 if (cps->twoMachinesColor[0] == 'w')
7108 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7110 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7117 } else if (strncmp(message, "opponent mates", 14) == 0) {
7119 case MachinePlaysBlack:
7120 case IcsPlayingBlack:
7121 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7123 case MachinePlaysWhite:
7124 case IcsPlayingWhite:
7125 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7127 case TwoMachinesPlay:
7128 if (cps->twoMachinesColor[0] == 'w')
7129 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7131 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7138 } else if (strncmp(message, "computer mates", 14) == 0) {
7140 case MachinePlaysBlack:
7141 case IcsPlayingBlack:
7142 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7144 case MachinePlaysWhite:
7145 case IcsPlayingWhite:
7146 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7148 case TwoMachinesPlay:
7149 if (cps->twoMachinesColor[0] == 'w')
7150 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7152 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7159 } else if (strncmp(message, "checkmate", 9) == 0) {
7160 if (WhiteOnMove(forwardMostMove)) {
7161 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7163 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7166 } else if (strstr(message, "Draw") != NULL ||
7167 strstr(message, "game is a draw") != NULL) {
7168 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7170 } else if (strstr(message, "offer") != NULL &&
7171 strstr(message, "draw") != NULL) {
7173 if (appData.zippyPlay && first.initDone) {
7174 /* Relay offer to ICS */
7175 SendToICS(ics_prefix);
7176 SendToICS("draw\n");
7179 cps->offeredDraw = 2; /* valid until this engine moves twice */
7180 if (gameMode == TwoMachinesPlay) {
7181 if (cps->other->offeredDraw) {
7182 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7183 /* [HGM] in two-machine mode we delay relaying draw offer */
7184 /* until after we also have move, to see if it is really claim */
7186 } else if (gameMode == MachinePlaysWhite ||
7187 gameMode == MachinePlaysBlack) {
7188 if (userOfferedDraw) {
7189 DisplayInformation(_("Machine accepts your draw offer"));
7190 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7192 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7199 * Look for thinking output
7201 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7202 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7204 int plylev, mvleft, mvtot, curscore, time;
7205 char mvname[MOVE_LEN];
7209 int prefixHint = FALSE;
7210 mvname[0] = NULLCHAR;
7213 case MachinePlaysBlack:
7214 case IcsPlayingBlack:
7215 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7217 case MachinePlaysWhite:
7218 case IcsPlayingWhite:
7219 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7224 case IcsObserving: /* [DM] icsEngineAnalyze */
7225 if (!appData.icsEngineAnalyze) ignore = TRUE;
7227 case TwoMachinesPlay:
7228 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7239 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7240 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7242 if (plyext != ' ' && plyext != '\t') {
7246 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7247 if( cps->scoreIsAbsolute &&
7248 ( gameMode == MachinePlaysBlack ||
7249 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7250 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7251 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7252 !WhiteOnMove(currentMove)
7255 curscore = -curscore;
7259 programStats.depth = plylev;
7260 programStats.nodes = nodes;
7261 programStats.time = time;
7262 programStats.score = curscore;
7263 programStats.got_only_move = 0;
7265 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7268 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7269 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7270 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7271 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7272 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7273 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7274 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7275 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7278 /* Buffer overflow protection */
7279 if (buf1[0] != NULLCHAR) {
7280 if (strlen(buf1) >= sizeof(programStats.movelist)
7281 && appData.debugMode) {
7283 "PV is too long; using the first %u bytes.\n",
7284 (unsigned) sizeof(programStats.movelist) - 1);
7287 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7289 sprintf(programStats.movelist, " no PV\n");
7292 if (programStats.seen_stat) {
7293 programStats.ok_to_send = 1;
7296 if (strchr(programStats.movelist, '(') != NULL) {
7297 programStats.line_is_book = 1;
7298 programStats.nr_moves = 0;
7299 programStats.moves_left = 0;
7301 programStats.line_is_book = 0;
7304 SendProgramStatsToFrontend( cps, &programStats );
7307 [AS] Protect the thinkOutput buffer from overflow... this
7308 is only useful if buf1 hasn't overflowed first!
7310 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7312 (gameMode == TwoMachinesPlay ?
7313 ToUpper(cps->twoMachinesColor[0]) : ' '),
7314 ((double) curscore) / 100.0,
7315 prefixHint ? lastHint : "",
7316 prefixHint ? " " : "" );
7318 if( buf1[0] != NULLCHAR ) {
7319 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7321 if( strlen(buf1) > max_len ) {
7322 if( appData.debugMode) {
7323 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7325 buf1[max_len+1] = '\0';
7328 strcat( thinkOutput, buf1 );
7331 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7332 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7333 DisplayMove(currentMove - 1);
7337 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7338 /* crafty (9.25+) says "(only move) <move>"
7339 * if there is only 1 legal move
7341 sscanf(p, "(only move) %s", buf1);
7342 sprintf(thinkOutput, "%s (only move)", buf1);
7343 sprintf(programStats.movelist, "%s (only move)", buf1);
7344 programStats.depth = 1;
7345 programStats.nr_moves = 1;
7346 programStats.moves_left = 1;
7347 programStats.nodes = 1;
7348 programStats.time = 1;
7349 programStats.got_only_move = 1;
7351 /* Not really, but we also use this member to
7352 mean "line isn't going to change" (Crafty
7353 isn't searching, so stats won't change) */
7354 programStats.line_is_book = 1;
7356 SendProgramStatsToFrontend( cps, &programStats );
7358 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7359 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7360 DisplayMove(currentMove - 1);
7363 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7364 &time, &nodes, &plylev, &mvleft,
7365 &mvtot, mvname) >= 5) {
7366 /* The stat01: line is from Crafty (9.29+) in response
7367 to the "." command */
7368 programStats.seen_stat = 1;
7369 cps->maybeThinking = TRUE;
7371 if (programStats.got_only_move || !appData.periodicUpdates)
7374 programStats.depth = plylev;
7375 programStats.time = time;
7376 programStats.nodes = nodes;
7377 programStats.moves_left = mvleft;
7378 programStats.nr_moves = mvtot;
7379 strcpy(programStats.move_name, mvname);
7380 programStats.ok_to_send = 1;
7381 programStats.movelist[0] = '\0';
7383 SendProgramStatsToFrontend( cps, &programStats );
7387 } else if (strncmp(message,"++",2) == 0) {
7388 /* Crafty 9.29+ outputs this */
7389 programStats.got_fail = 2;
7392 } else if (strncmp(message,"--",2) == 0) {
7393 /* Crafty 9.29+ outputs this */
7394 programStats.got_fail = 1;
7397 } else if (thinkOutput[0] != NULLCHAR &&
7398 strncmp(message, " ", 4) == 0) {
7399 unsigned message_len;
7402 while (*p && *p == ' ') p++;
7404 message_len = strlen( p );
7406 /* [AS] Avoid buffer overflow */
7407 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7408 strcat(thinkOutput, " ");
7409 strcat(thinkOutput, p);
7412 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7413 strcat(programStats.movelist, " ");
7414 strcat(programStats.movelist, p);
7417 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7418 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7419 DisplayMove(currentMove - 1);
7427 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7428 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7430 ChessProgramStats cpstats;
7432 if (plyext != ' ' && plyext != '\t') {
7436 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7437 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7438 curscore = -curscore;
7441 cpstats.depth = plylev;
7442 cpstats.nodes = nodes;
7443 cpstats.time = time;
7444 cpstats.score = curscore;
7445 cpstats.got_only_move = 0;
7446 cpstats.movelist[0] = '\0';
7448 if (buf1[0] != NULLCHAR) {
7449 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7452 cpstats.ok_to_send = 0;
7453 cpstats.line_is_book = 0;
7454 cpstats.nr_moves = 0;
7455 cpstats.moves_left = 0;
7457 SendProgramStatsToFrontend( cps, &cpstats );
7464 /* Parse a game score from the character string "game", and
7465 record it as the history of the current game. The game
7466 score is NOT assumed to start from the standard position.
7467 The display is not updated in any way.
7470 ParseGameHistory(game)
7474 int fromX, fromY, toX, toY, boardIndex;
7479 if (appData.debugMode)
7480 fprintf(debugFP, "Parsing game history: %s\n", game);
7482 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7483 gameInfo.site = StrSave(appData.icsHost);
7484 gameInfo.date = PGNDate();
7485 gameInfo.round = StrSave("-");
7487 /* Parse out names of players */
7488 while (*game == ' ') game++;
7490 while (*game != ' ') *p++ = *game++;
7492 gameInfo.white = StrSave(buf);
7493 while (*game == ' ') game++;
7495 while (*game != ' ' && *game != '\n') *p++ = *game++;
7497 gameInfo.black = StrSave(buf);
7500 boardIndex = blackPlaysFirst ? 1 : 0;
7503 yyboardindex = boardIndex;
7504 moveType = (ChessMove) yylex();
7506 case IllegalMove: /* maybe suicide chess, etc. */
7507 if (appData.debugMode) {
7508 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7509 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7510 setbuf(debugFP, NULL);
7512 case WhitePromotionChancellor:
7513 case BlackPromotionChancellor:
7514 case WhitePromotionArchbishop:
7515 case BlackPromotionArchbishop:
7516 case WhitePromotionQueen:
7517 case BlackPromotionQueen:
7518 case WhitePromotionRook:
7519 case BlackPromotionRook:
7520 case WhitePromotionBishop:
7521 case BlackPromotionBishop:
7522 case WhitePromotionKnight:
7523 case BlackPromotionKnight:
7524 case WhitePromotionKing:
7525 case BlackPromotionKing:
7527 case WhiteCapturesEnPassant:
7528 case BlackCapturesEnPassant:
7529 case WhiteKingSideCastle:
7530 case WhiteQueenSideCastle:
7531 case BlackKingSideCastle:
7532 case BlackQueenSideCastle:
7533 case WhiteKingSideCastleWild:
7534 case WhiteQueenSideCastleWild:
7535 case BlackKingSideCastleWild:
7536 case BlackQueenSideCastleWild:
7538 case WhiteHSideCastleFR:
7539 case WhiteASideCastleFR:
7540 case BlackHSideCastleFR:
7541 case BlackASideCastleFR:
7543 fromX = currentMoveString[0] - AAA;
7544 fromY = currentMoveString[1] - ONE;
7545 toX = currentMoveString[2] - AAA;
7546 toY = currentMoveString[3] - ONE;
7547 promoChar = currentMoveString[4];
7551 fromX = moveType == WhiteDrop ?
7552 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7553 (int) CharToPiece(ToLower(currentMoveString[0]));
7555 toX = currentMoveString[2] - AAA;
7556 toY = currentMoveString[3] - ONE;
7557 promoChar = NULLCHAR;
7561 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7562 if (appData.debugMode) {
7563 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7564 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7565 setbuf(debugFP, NULL);
7567 DisplayError(buf, 0);
7569 case ImpossibleMove:
7571 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7572 if (appData.debugMode) {
7573 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7574 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7575 setbuf(debugFP, NULL);
7577 DisplayError(buf, 0);
7579 case (ChessMove) 0: /* end of file */
7580 if (boardIndex < backwardMostMove) {
7581 /* Oops, gap. How did that happen? */
7582 DisplayError(_("Gap in move list"), 0);
7585 backwardMostMove = blackPlaysFirst ? 1 : 0;
7586 if (boardIndex > forwardMostMove) {
7587 forwardMostMove = boardIndex;
7591 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7592 strcat(parseList[boardIndex-1], " ");
7593 strcat(parseList[boardIndex-1], yy_text);
7605 case GameUnfinished:
7606 if (gameMode == IcsExamining) {
7607 if (boardIndex < backwardMostMove) {
7608 /* Oops, gap. How did that happen? */
7611 backwardMostMove = blackPlaysFirst ? 1 : 0;
7614 gameInfo.result = moveType;
7615 p = strchr(yy_text, '{');
7616 if (p == NULL) p = strchr(yy_text, '(');
7619 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7621 q = strchr(p, *p == '{' ? '}' : ')');
7622 if (q != NULL) *q = NULLCHAR;
7625 gameInfo.resultDetails = StrSave(p);
7628 if (boardIndex >= forwardMostMove &&
7629 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7630 backwardMostMove = blackPlaysFirst ? 1 : 0;
7633 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7634 fromY, fromX, toY, toX, promoChar,
7635 parseList[boardIndex]);
7636 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7637 /* currentMoveString is set as a side-effect of yylex */
7638 strcpy(moveList[boardIndex], currentMoveString);
7639 strcat(moveList[boardIndex], "\n");
7641 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
7642 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
7648 if(gameInfo.variant != VariantShogi)
7649 strcat(parseList[boardIndex - 1], "+");
7653 strcat(parseList[boardIndex - 1], "#");
7660 /* Apply a move to the given board */
7662 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
7663 int fromX, fromY, toX, toY;
7667 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7668 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
7670 /* [HGM] compute & store e.p. status and castling rights for new position */
7671 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7674 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7675 oldEP = (signed char)board[EP_STATUS];
7676 board[EP_STATUS] = EP_NONE;
7678 if( board[toY][toX] != EmptySquare )
7679 board[EP_STATUS] = EP_CAPTURE;
7681 if( board[fromY][fromX] == WhitePawn ) {
7682 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7683 board[EP_STATUS] = EP_PAWN_MOVE;
7685 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7686 gameInfo.variant != VariantBerolina || toX < fromX)
7687 board[EP_STATUS] = toX | berolina;
7688 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7689 gameInfo.variant != VariantBerolina || toX > fromX)
7690 board[EP_STATUS] = toX;
7693 if( board[fromY][fromX] == BlackPawn ) {
7694 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7695 board[EP_STATUS] = EP_PAWN_MOVE;
7696 if( toY-fromY== -2) {
7697 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7698 gameInfo.variant != VariantBerolina || toX < fromX)
7699 board[EP_STATUS] = toX | berolina;
7700 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7701 gameInfo.variant != VariantBerolina || toX > fromX)
7702 board[EP_STATUS] = toX;
7706 for(i=0; i<nrCastlingRights; i++) {
7707 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
7708 board[CASTLING][i] == toX && castlingRank[i] == toY
7709 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
7714 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7715 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
7716 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7718 if (fromX == toX && fromY == toY) return;
7720 if (fromY == DROP_RANK) {
7722 piece = board[toY][toX] = (ChessSquare) fromX;
7724 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7725 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7726 if(gameInfo.variant == VariantKnightmate)
7727 king += (int) WhiteUnicorn - (int) WhiteKing;
7729 /* Code added by Tord: */
7730 /* FRC castling assumed when king captures friendly rook. */
7731 if (board[fromY][fromX] == WhiteKing &&
7732 board[toY][toX] == WhiteRook) {
7733 board[fromY][fromX] = EmptySquare;
7734 board[toY][toX] = EmptySquare;
7736 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
7738 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
7740 } else if (board[fromY][fromX] == BlackKing &&
7741 board[toY][toX] == BlackRook) {
7742 board[fromY][fromX] = EmptySquare;
7743 board[toY][toX] = EmptySquare;
7745 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
7747 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
7749 /* End of code added by Tord */
7751 } else if (board[fromY][fromX] == king
7752 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7753 && toY == fromY && toX > fromX+1) {
7754 board[fromY][fromX] = EmptySquare;
7755 board[toY][toX] = king;
7756 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7757 board[fromY][BOARD_RGHT-1] = EmptySquare;
7758 } else if (board[fromY][fromX] == king
7759 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7760 && toY == fromY && toX < fromX-1) {
7761 board[fromY][fromX] = EmptySquare;
7762 board[toY][toX] = king;
7763 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7764 board[fromY][BOARD_LEFT] = EmptySquare;
7765 } else if (board[fromY][fromX] == WhitePawn
7766 && toY >= BOARD_HEIGHT-promoRank
7767 && gameInfo.variant != VariantXiangqi
7769 /* white pawn promotion */
7770 board[toY][toX] = CharToPiece(ToUpper(promoChar));
7771 if (board[toY][toX] == EmptySquare) {
7772 board[toY][toX] = WhiteQueen;
7774 if(gameInfo.variant==VariantBughouse ||
7775 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7776 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7777 board[fromY][fromX] = EmptySquare;
7778 } else if ((fromY == BOARD_HEIGHT-4)
7780 && gameInfo.variant != VariantXiangqi
7781 && gameInfo.variant != VariantBerolina
7782 && (board[fromY][fromX] == WhitePawn)
7783 && (board[toY][toX] == EmptySquare)) {
7784 board[fromY][fromX] = EmptySquare;
7785 board[toY][toX] = WhitePawn;
7786 captured = board[toY - 1][toX];
7787 board[toY - 1][toX] = EmptySquare;
7788 } else if ((fromY == BOARD_HEIGHT-4)
7790 && gameInfo.variant == VariantBerolina
7791 && (board[fromY][fromX] == WhitePawn)
7792 && (board[toY][toX] == EmptySquare)) {
7793 board[fromY][fromX] = EmptySquare;
7794 board[toY][toX] = WhitePawn;
7795 if(oldEP & EP_BEROLIN_A) {
7796 captured = board[fromY][fromX-1];
7797 board[fromY][fromX-1] = EmptySquare;
7798 }else{ captured = board[fromY][fromX+1];
7799 board[fromY][fromX+1] = EmptySquare;
7801 } else if (board[fromY][fromX] == king
7802 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7803 && toY == fromY && toX > fromX+1) {
7804 board[fromY][fromX] = EmptySquare;
7805 board[toY][toX] = king;
7806 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7807 board[fromY][BOARD_RGHT-1] = EmptySquare;
7808 } else if (board[fromY][fromX] == king
7809 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7810 && toY == fromY && toX < fromX-1) {
7811 board[fromY][fromX] = EmptySquare;
7812 board[toY][toX] = king;
7813 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7814 board[fromY][BOARD_LEFT] = EmptySquare;
7815 } else if (fromY == 7 && fromX == 3
7816 && board[fromY][fromX] == BlackKing
7817 && toY == 7 && toX == 5) {
7818 board[fromY][fromX] = EmptySquare;
7819 board[toY][toX] = BlackKing;
7820 board[fromY][7] = EmptySquare;
7821 board[toY][4] = BlackRook;
7822 } else if (fromY == 7 && fromX == 3
7823 && board[fromY][fromX] == BlackKing
7824 && toY == 7 && toX == 1) {
7825 board[fromY][fromX] = EmptySquare;
7826 board[toY][toX] = BlackKing;
7827 board[fromY][0] = EmptySquare;
7828 board[toY][2] = BlackRook;
7829 } else if (board[fromY][fromX] == BlackPawn
7831 && gameInfo.variant != VariantXiangqi
7833 /* black pawn promotion */
7834 board[toY][toX] = CharToPiece(ToLower(promoChar));
7835 if (board[toY][toX] == EmptySquare) {
7836 board[toY][toX] = BlackQueen;
7838 if(gameInfo.variant==VariantBughouse ||
7839 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7840 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7841 board[fromY][fromX] = EmptySquare;
7842 } else if ((fromY == 3)
7844 && gameInfo.variant != VariantXiangqi
7845 && gameInfo.variant != VariantBerolina
7846 && (board[fromY][fromX] == BlackPawn)
7847 && (board[toY][toX] == EmptySquare)) {
7848 board[fromY][fromX] = EmptySquare;
7849 board[toY][toX] = BlackPawn;
7850 captured = board[toY + 1][toX];
7851 board[toY + 1][toX] = EmptySquare;
7852 } else if ((fromY == 3)
7854 && gameInfo.variant == VariantBerolina
7855 && (board[fromY][fromX] == BlackPawn)
7856 && (board[toY][toX] == EmptySquare)) {
7857 board[fromY][fromX] = EmptySquare;
7858 board[toY][toX] = BlackPawn;
7859 if(oldEP & EP_BEROLIN_A) {
7860 captured = board[fromY][fromX-1];
7861 board[fromY][fromX-1] = EmptySquare;
7862 }else{ captured = board[fromY][fromX+1];
7863 board[fromY][fromX+1] = EmptySquare;
7866 board[toY][toX] = board[fromY][fromX];
7867 board[fromY][fromX] = EmptySquare;
7870 /* [HGM] now we promote for Shogi, if needed */
7871 if(gameInfo.variant == VariantShogi && promoChar == 'q')
7872 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7875 if (gameInfo.holdingsWidth != 0) {
7877 /* !!A lot more code needs to be written to support holdings */
7878 /* [HGM] OK, so I have written it. Holdings are stored in the */
7879 /* penultimate board files, so they are automaticlly stored */
7880 /* in the game history. */
7881 if (fromY == DROP_RANK) {
7882 /* Delete from holdings, by decreasing count */
7883 /* and erasing image if necessary */
7885 if(p < (int) BlackPawn) { /* white drop */
7886 p -= (int)WhitePawn;
7887 p = PieceToNumber((ChessSquare)p);
7888 if(p >= gameInfo.holdingsSize) p = 0;
7889 if(--board[p][BOARD_WIDTH-2] <= 0)
7890 board[p][BOARD_WIDTH-1] = EmptySquare;
7891 if((int)board[p][BOARD_WIDTH-2] < 0)
7892 board[p][BOARD_WIDTH-2] = 0;
7893 } else { /* black drop */
7894 p -= (int)BlackPawn;
7895 p = PieceToNumber((ChessSquare)p);
7896 if(p >= gameInfo.holdingsSize) p = 0;
7897 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
7898 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
7899 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
7900 board[BOARD_HEIGHT-1-p][1] = 0;
7903 if (captured != EmptySquare && gameInfo.holdingsSize > 0
7904 && gameInfo.variant != VariantBughouse ) {
7905 /* [HGM] holdings: Add to holdings, if holdings exist */
7906 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7907 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
7908 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
7911 if (p >= (int) BlackPawn) {
7912 p -= (int)BlackPawn;
7913 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7914 /* in Shogi restore piece to its original first */
7915 captured = (ChessSquare) (DEMOTED captured);
7918 p = PieceToNumber((ChessSquare)p);
7919 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
7920 board[p][BOARD_WIDTH-2]++;
7921 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
7923 p -= (int)WhitePawn;
7924 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7925 captured = (ChessSquare) (DEMOTED captured);
7928 p = PieceToNumber((ChessSquare)p);
7929 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
7930 board[BOARD_HEIGHT-1-p][1]++;
7931 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
7934 } else if (gameInfo.variant == VariantAtomic) {
7935 if (captured != EmptySquare) {
7937 for (y = toY-1; y <= toY+1; y++) {
7938 for (x = toX-1; x <= toX+1; x++) {
7939 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
7940 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
7941 board[y][x] = EmptySquare;
7945 board[toY][toX] = EmptySquare;
7948 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
7949 /* [HGM] Shogi promotions */
7950 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7953 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7954 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
7955 // [HGM] superchess: take promotion piece out of holdings
7956 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7957 if((int)piece < (int)BlackPawn) { // determine stm from piece color
7958 if(!--board[k][BOARD_WIDTH-2])
7959 board[k][BOARD_WIDTH-1] = EmptySquare;
7961 if(!--board[BOARD_HEIGHT-1-k][1])
7962 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
7968 /* Updates forwardMostMove */
7970 MakeMove(fromX, fromY, toX, toY, promoChar)
7971 int fromX, fromY, toX, toY;
7974 // forwardMostMove++; // [HGM] bare: moved downstream
7976 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
7977 int timeLeft; static int lastLoadFlag=0; int king, piece;
7978 piece = boards[forwardMostMove][fromY][fromX];
7979 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
7980 if(gameInfo.variant == VariantKnightmate)
7981 king += (int) WhiteUnicorn - (int) WhiteKing;
7982 if(forwardMostMove == 0) {
7984 fprintf(serverMoves, "%s;", second.tidy);
7985 fprintf(serverMoves, "%s;", first.tidy);
7986 if(!blackPlaysFirst)
7987 fprintf(serverMoves, "%s;", second.tidy);
7988 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
7989 lastLoadFlag = loadFlag;
7991 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
7992 // print castling suffix
7993 if( toY == fromY && piece == king ) {
7995 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
7997 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8000 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8001 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8002 boards[forwardMostMove][toY][toX] == EmptySquare
8004 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8006 if(promoChar != NULLCHAR)
8007 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8009 fprintf(serverMoves, "/%d/%d",
8010 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8011 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8012 else timeLeft = blackTimeRemaining/1000;
8013 fprintf(serverMoves, "/%d", timeLeft);
8015 fflush(serverMoves);
8018 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8019 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8023 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8024 if (commentList[forwardMostMove+1] != NULL) {
8025 free(commentList[forwardMostMove+1]);
8026 commentList[forwardMostMove+1] = NULL;
8028 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8029 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8030 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8031 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
8032 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8033 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8034 gameInfo.result = GameUnfinished;
8035 if (gameInfo.resultDetails != NULL) {
8036 free(gameInfo.resultDetails);
8037 gameInfo.resultDetails = NULL;
8039 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8040 moveList[forwardMostMove - 1]);
8041 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8042 PosFlags(forwardMostMove - 1),
8043 fromY, fromX, toY, toX, promoChar,
8044 parseList[forwardMostMove - 1]);
8045 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8051 if(gameInfo.variant != VariantShogi)
8052 strcat(parseList[forwardMostMove - 1], "+");
8056 strcat(parseList[forwardMostMove - 1], "#");
8059 if (appData.debugMode) {
8060 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8065 /* Updates currentMove if not pausing */
8067 ShowMove(fromX, fromY, toX, toY)
8069 int instant = (gameMode == PlayFromGameFile) ?
8070 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8071 if(appData.noGUI) return;
8072 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8074 if (forwardMostMove == currentMove + 1) {
8075 AnimateMove(boards[forwardMostMove - 1],
8076 fromX, fromY, toX, toY);
8078 if (appData.highlightLastMove) {
8079 SetHighlights(fromX, fromY, toX, toY);
8082 currentMove = forwardMostMove;
8085 if (instant) return;
8087 DisplayMove(currentMove - 1);
8088 DrawPosition(FALSE, boards[currentMove]);
8089 DisplayBothClocks();
8090 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8093 void SendEgtPath(ChessProgramState *cps)
8094 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8095 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8097 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8100 char c, *q = name+1, *r, *s;
8102 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8103 while(*p && *p != ',') *q++ = *p++;
8105 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8106 strcmp(name, ",nalimov:") == 0 ) {
8107 // take nalimov path from the menu-changeable option first, if it is defined
8108 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8109 SendToProgram(buf,cps); // send egtbpath command for nalimov
8111 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8112 (s = StrStr(appData.egtFormats, name)) != NULL) {
8113 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8114 s = r = StrStr(s, ":") + 1; // beginning of path info
8115 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8116 c = *r; *r = 0; // temporarily null-terminate path info
8117 *--q = 0; // strip of trailig ':' from name
8118 sprintf(buf, "egtpath %s %s\n", name+1, s);
8120 SendToProgram(buf,cps); // send egtbpath command for this format
8122 if(*p == ',') p++; // read away comma to position for next format name
8127 InitChessProgram(cps, setup)
8128 ChessProgramState *cps;
8129 int setup; /* [HGM] needed to setup FRC opening position */
8131 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8132 if (appData.noChessProgram) return;
8133 hintRequested = FALSE;
8134 bookRequested = FALSE;
8136 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8137 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8138 if(cps->memSize) { /* [HGM] memory */
8139 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8140 SendToProgram(buf, cps);
8142 SendEgtPath(cps); /* [HGM] EGT */
8143 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8144 sprintf(buf, "cores %d\n", appData.smpCores);
8145 SendToProgram(buf, cps);
8148 SendToProgram(cps->initString, cps);
8149 if (gameInfo.variant != VariantNormal &&
8150 gameInfo.variant != VariantLoadable
8151 /* [HGM] also send variant if board size non-standard */
8152 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8154 char *v = VariantName(gameInfo.variant);
8155 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8156 /* [HGM] in protocol 1 we have to assume all variants valid */
8157 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8158 DisplayFatalError(buf, 0, 1);
8162 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8163 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8164 if( gameInfo.variant == VariantXiangqi )
8165 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8166 if( gameInfo.variant == VariantShogi )
8167 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8168 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8169 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8170 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8171 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8172 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8173 if( gameInfo.variant == VariantCourier )
8174 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8175 if( gameInfo.variant == VariantSuper )
8176 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8177 if( gameInfo.variant == VariantGreat )
8178 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8181 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8182 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8183 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8184 if(StrStr(cps->variants, b) == NULL) {
8185 // specific sized variant not known, check if general sizing allowed
8186 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8187 if(StrStr(cps->variants, "boardsize") == NULL) {
8188 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8189 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8190 DisplayFatalError(buf, 0, 1);
8193 /* [HGM] here we really should compare with the maximum supported board size */
8196 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8197 sprintf(buf, "variant %s\n", b);
8198 SendToProgram(buf, cps);
8200 currentlyInitializedVariant = gameInfo.variant;
8202 /* [HGM] send opening position in FRC to first engine */
8204 SendToProgram("force\n", cps);
8206 /* engine is now in force mode! Set flag to wake it up after first move. */
8207 setboardSpoiledMachineBlack = 1;
8211 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8212 SendToProgram(buf, cps);
8214 cps->maybeThinking = FALSE;
8215 cps->offeredDraw = 0;
8216 if (!appData.icsActive) {
8217 SendTimeControl(cps, movesPerSession, timeControl,
8218 timeIncrement, appData.searchDepth,
8221 if (appData.showThinking
8222 // [HGM] thinking: four options require thinking output to be sent
8223 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8225 SendToProgram("post\n", cps);
8227 SendToProgram("hard\n", cps);
8228 if (!appData.ponderNextMove) {
8229 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8230 it without being sure what state we are in first. "hard"
8231 is not a toggle, so that one is OK.
8233 SendToProgram("easy\n", cps);
8236 sprintf(buf, "ping %d\n", ++cps->lastPing);
8237 SendToProgram(buf, cps);
8239 cps->initDone = TRUE;
8244 StartChessProgram(cps)
8245 ChessProgramState *cps;
8250 if (appData.noChessProgram) return;
8251 cps->initDone = FALSE;
8253 if (strcmp(cps->host, "localhost") == 0) {
8254 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8255 } else if (*appData.remoteShell == NULLCHAR) {
8256 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8258 if (*appData.remoteUser == NULLCHAR) {
8259 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8262 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8263 cps->host, appData.remoteUser, cps->program);
8265 err = StartChildProcess(buf, "", &cps->pr);
8269 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8270 DisplayFatalError(buf, err, 1);
8276 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8277 if (cps->protocolVersion > 1) {
8278 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8279 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8280 cps->comboCnt = 0; // and values of combo boxes
8281 SendToProgram(buf, cps);
8283 SendToProgram("xboard\n", cps);
8289 TwoMachinesEventIfReady P((void))
8291 if (first.lastPing != first.lastPong) {
8292 DisplayMessage("", _("Waiting for first chess program"));
8293 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8296 if (second.lastPing != second.lastPong) {
8297 DisplayMessage("", _("Waiting for second chess program"));
8298 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8306 NextMatchGame P((void))
8308 int index; /* [HGM] autoinc: step load index during match */
8310 if (*appData.loadGameFile != NULLCHAR) {
8311 index = appData.loadGameIndex;
8312 if(index < 0) { // [HGM] autoinc
8313 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8314 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8316 LoadGameFromFile(appData.loadGameFile,
8318 appData.loadGameFile, FALSE);
8319 } else if (*appData.loadPositionFile != NULLCHAR) {
8320 index = appData.loadPositionIndex;
8321 if(index < 0) { // [HGM] autoinc
8322 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8323 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8325 LoadPositionFromFile(appData.loadPositionFile,
8327 appData.loadPositionFile);
8329 TwoMachinesEventIfReady();
8332 void UserAdjudicationEvent( int result )
8334 ChessMove gameResult = GameIsDrawn;
8337 gameResult = WhiteWins;
8339 else if( result < 0 ) {
8340 gameResult = BlackWins;
8343 if( gameMode == TwoMachinesPlay ) {
8344 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8349 // [HGM] save: calculate checksum of game to make games easily identifiable
8350 int StringCheckSum(char *s)
8353 if(s==NULL) return 0;
8354 while(*s) i = i*259 + *s++;
8361 for(i=backwardMostMove; i<forwardMostMove; i++) {
8362 sum += pvInfoList[i].depth;
8363 sum += StringCheckSum(parseList[i]);
8364 sum += StringCheckSum(commentList[i]);
8367 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8368 return sum + StringCheckSum(commentList[i]);
8369 } // end of save patch
8372 GameEnds(result, resultDetails, whosays)
8374 char *resultDetails;
8377 GameMode nextGameMode;
8381 if(endingGame) return; /* [HGM] crash: forbid recursion */
8384 if (appData.debugMode) {
8385 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8386 result, resultDetails ? resultDetails : "(null)", whosays);
8389 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8390 /* If we are playing on ICS, the server decides when the
8391 game is over, but the engine can offer to draw, claim
8395 if (appData.zippyPlay && first.initDone) {
8396 if (result == GameIsDrawn) {
8397 /* In case draw still needs to be claimed */
8398 SendToICS(ics_prefix);
8399 SendToICS("draw\n");
8400 } else if (StrCaseStr(resultDetails, "resign")) {
8401 SendToICS(ics_prefix);
8402 SendToICS("resign\n");
8406 endingGame = 0; /* [HGM] crash */
8410 /* If we're loading the game from a file, stop */
8411 if (whosays == GE_FILE) {
8412 (void) StopLoadGameTimer();
8416 /* Cancel draw offers */
8417 first.offeredDraw = second.offeredDraw = 0;
8419 /* If this is an ICS game, only ICS can really say it's done;
8420 if not, anyone can. */
8421 isIcsGame = (gameMode == IcsPlayingWhite ||
8422 gameMode == IcsPlayingBlack ||
8423 gameMode == IcsObserving ||
8424 gameMode == IcsExamining);
8426 if (!isIcsGame || whosays == GE_ICS) {
8427 /* OK -- not an ICS game, or ICS said it was done */
8429 if (!isIcsGame && !appData.noChessProgram)
8430 SetUserThinkingEnables();
8432 /* [HGM] if a machine claims the game end we verify this claim */
8433 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8434 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8436 ChessMove trueResult = (ChessMove) -1;
8438 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8439 first.twoMachinesColor[0] :
8440 second.twoMachinesColor[0] ;
8442 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8443 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8444 /* [HGM] verify: engine mate claims accepted if they were flagged */
8445 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8447 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8448 /* [HGM] verify: engine mate claims accepted if they were flagged */
8449 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8451 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8452 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8455 // now verify win claims, but not in drop games, as we don't understand those yet
8456 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8457 || gameInfo.variant == VariantGreat) &&
8458 (result == WhiteWins && claimer == 'w' ||
8459 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8460 if (appData.debugMode) {
8461 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8462 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8464 if(result != trueResult) {
8465 sprintf(buf, "False win claim: '%s'", resultDetails);
8466 result = claimer == 'w' ? BlackWins : WhiteWins;
8467 resultDetails = buf;
8470 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8471 && (forwardMostMove <= backwardMostMove ||
8472 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8473 (claimer=='b')==(forwardMostMove&1))
8475 /* [HGM] verify: draws that were not flagged are false claims */
8476 sprintf(buf, "False draw claim: '%s'", resultDetails);
8477 result = claimer == 'w' ? BlackWins : WhiteWins;
8478 resultDetails = buf;
8480 /* (Claiming a loss is accepted no questions asked!) */
8482 /* [HGM] bare: don't allow bare King to win */
8483 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8484 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8485 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8486 && result != GameIsDrawn)
8487 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8488 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8489 int p = (signed char)boards[forwardMostMove][i][j] - color;
8490 if(p >= 0 && p <= (int)WhiteKing) k++;
8492 if (appData.debugMode) {
8493 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8494 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8497 result = GameIsDrawn;
8498 sprintf(buf, "%s but bare king", resultDetails);
8499 resultDetails = buf;
8505 if(serverMoves != NULL && !loadFlag) { char c = '=';
8506 if(result==WhiteWins) c = '+';
8507 if(result==BlackWins) c = '-';
8508 if(resultDetails != NULL)
8509 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8511 if (resultDetails != NULL) {
8512 gameInfo.result = result;
8513 gameInfo.resultDetails = StrSave(resultDetails);
8515 /* display last move only if game was not loaded from file */
8516 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8517 DisplayMove(currentMove - 1);
8519 if (forwardMostMove != 0) {
8520 if (gameMode != PlayFromGameFile && gameMode != EditGame
8521 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8523 if (*appData.saveGameFile != NULLCHAR) {
8524 SaveGameToFile(appData.saveGameFile, TRUE);
8525 } else if (appData.autoSaveGames) {
8528 if (*appData.savePositionFile != NULLCHAR) {
8529 SavePositionToFile(appData.savePositionFile);
8534 /* Tell program how game ended in case it is learning */
8535 /* [HGM] Moved this to after saving the PGN, just in case */
8536 /* engine died and we got here through time loss. In that */
8537 /* case we will get a fatal error writing the pipe, which */
8538 /* would otherwise lose us the PGN. */
8539 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8540 /* output during GameEnds should never be fatal anymore */
8541 if (gameMode == MachinePlaysWhite ||
8542 gameMode == MachinePlaysBlack ||
8543 gameMode == TwoMachinesPlay ||
8544 gameMode == IcsPlayingWhite ||
8545 gameMode == IcsPlayingBlack ||
8546 gameMode == BeginningOfGame) {
8548 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8550 if (first.pr != NoProc) {
8551 SendToProgram(buf, &first);
8553 if (second.pr != NoProc &&
8554 gameMode == TwoMachinesPlay) {
8555 SendToProgram(buf, &second);
8560 if (appData.icsActive) {
8561 if (appData.quietPlay &&
8562 (gameMode == IcsPlayingWhite ||
8563 gameMode == IcsPlayingBlack)) {
8564 SendToICS(ics_prefix);
8565 SendToICS("set shout 1\n");
8567 nextGameMode = IcsIdle;
8568 ics_user_moved = FALSE;
8569 /* clean up premove. It's ugly when the game has ended and the
8570 * premove highlights are still on the board.
8574 ClearPremoveHighlights();
8575 DrawPosition(FALSE, boards[currentMove]);
8577 if (whosays == GE_ICS) {
8580 if (gameMode == IcsPlayingWhite)
8582 else if(gameMode == IcsPlayingBlack)
8586 if (gameMode == IcsPlayingBlack)
8588 else if(gameMode == IcsPlayingWhite)
8595 PlayIcsUnfinishedSound();
8598 } else if (gameMode == EditGame ||
8599 gameMode == PlayFromGameFile ||
8600 gameMode == AnalyzeMode ||
8601 gameMode == AnalyzeFile) {
8602 nextGameMode = gameMode;
8604 nextGameMode = EndOfGame;
8609 nextGameMode = gameMode;
8612 if (appData.noChessProgram) {
8613 gameMode = nextGameMode;
8615 endingGame = 0; /* [HGM] crash */
8620 /* Put first chess program into idle state */
8621 if (first.pr != NoProc &&
8622 (gameMode == MachinePlaysWhite ||
8623 gameMode == MachinePlaysBlack ||
8624 gameMode == TwoMachinesPlay ||
8625 gameMode == IcsPlayingWhite ||
8626 gameMode == IcsPlayingBlack ||
8627 gameMode == BeginningOfGame)) {
8628 SendToProgram("force\n", &first);
8629 if (first.usePing) {
8631 sprintf(buf, "ping %d\n", ++first.lastPing);
8632 SendToProgram(buf, &first);
8635 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8636 /* Kill off first chess program */
8637 if (first.isr != NULL)
8638 RemoveInputSource(first.isr);
8641 if (first.pr != NoProc) {
8643 DoSleep( appData.delayBeforeQuit );
8644 SendToProgram("quit\n", &first);
8645 DoSleep( appData.delayAfterQuit );
8646 DestroyChildProcess(first.pr, first.useSigterm);
8651 /* Put second chess program into idle state */
8652 if (second.pr != NoProc &&
8653 gameMode == TwoMachinesPlay) {
8654 SendToProgram("force\n", &second);
8655 if (second.usePing) {
8657 sprintf(buf, "ping %d\n", ++second.lastPing);
8658 SendToProgram(buf, &second);
8661 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8662 /* Kill off second chess program */
8663 if (second.isr != NULL)
8664 RemoveInputSource(second.isr);
8667 if (second.pr != NoProc) {
8668 DoSleep( appData.delayBeforeQuit );
8669 SendToProgram("quit\n", &second);
8670 DoSleep( appData.delayAfterQuit );
8671 DestroyChildProcess(second.pr, second.useSigterm);
8676 if (matchMode && gameMode == TwoMachinesPlay) {
8679 if (first.twoMachinesColor[0] == 'w') {
8686 if (first.twoMachinesColor[0] == 'b') {
8695 if (matchGame < appData.matchGames) {
8697 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8698 tmp = first.twoMachinesColor;
8699 first.twoMachinesColor = second.twoMachinesColor;
8700 second.twoMachinesColor = tmp;
8702 gameMode = nextGameMode;
8704 if(appData.matchPause>10000 || appData.matchPause<10)
8705 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8706 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8707 endingGame = 0; /* [HGM] crash */
8711 gameMode = nextGameMode;
8712 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8713 first.tidy, second.tidy,
8714 first.matchWins, second.matchWins,
8715 appData.matchGames - (first.matchWins + second.matchWins));
8716 DisplayFatalError(buf, 0, 0);
8719 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8720 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8722 gameMode = nextGameMode;
8724 endingGame = 0; /* [HGM] crash */
8727 /* Assumes program was just initialized (initString sent).
8728 Leaves program in force mode. */
8730 FeedMovesToProgram(cps, upto)
8731 ChessProgramState *cps;
8736 if (appData.debugMode)
8737 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
8738 startedFromSetupPosition ? "position and " : "",
8739 backwardMostMove, upto, cps->which);
8740 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
8741 // [HGM] variantswitch: make engine aware of new variant
8742 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
8743 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
8744 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
8745 SendToProgram(buf, cps);
8746 currentlyInitializedVariant = gameInfo.variant;
8748 SendToProgram("force\n", cps);
8749 if (startedFromSetupPosition) {
8750 SendBoard(cps, backwardMostMove);
8751 if (appData.debugMode) {
8752 fprintf(debugFP, "feedMoves\n");
8755 for (i = backwardMostMove; i < upto; i++) {
8756 SendMoveToProgram(i, cps);
8762 ResurrectChessProgram()
8764 /* The chess program may have exited.
8765 If so, restart it and feed it all the moves made so far. */
8767 if (appData.noChessProgram || first.pr != NoProc) return;
8769 StartChessProgram(&first);
8770 InitChessProgram(&first, FALSE);
8771 FeedMovesToProgram(&first, currentMove);
8773 if (!first.sendTime) {
8774 /* can't tell gnuchess what its clock should read,
8775 so we bow to its notion. */
8777 timeRemaining[0][currentMove] = whiteTimeRemaining;
8778 timeRemaining[1][currentMove] = blackTimeRemaining;
8781 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
8782 appData.icsEngineAnalyze) && first.analysisSupport) {
8783 SendToProgram("analyze\n", &first);
8784 first.analyzing = TRUE;
8797 if (appData.debugMode) {
8798 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
8799 redraw, init, gameMode);
8801 CleanupTail(); // [HGM] vari: delete any stored variations
8802 pausing = pauseExamInvalid = FALSE;
8803 startedFromSetupPosition = blackPlaysFirst = FALSE;
8805 whiteFlag = blackFlag = FALSE;
8806 userOfferedDraw = FALSE;
8807 hintRequested = bookRequested = FALSE;
8808 first.maybeThinking = FALSE;
8809 second.maybeThinking = FALSE;
8810 first.bookSuspend = FALSE; // [HGM] book
8811 second.bookSuspend = FALSE;
8812 thinkOutput[0] = NULLCHAR;
8813 lastHint[0] = NULLCHAR;
8814 ClearGameInfo(&gameInfo);
8815 gameInfo.variant = StringToVariant(appData.variant);
8816 ics_user_moved = ics_clock_paused = FALSE;
8817 ics_getting_history = H_FALSE;
8819 white_holding[0] = black_holding[0] = NULLCHAR;
8820 ClearProgramStats();
8821 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
8825 flipView = appData.flipView;
8826 ClearPremoveHighlights();
8828 alarmSounded = FALSE;
8830 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8831 if(appData.serverMovesName != NULL) {
8832 /* [HGM] prepare to make moves file for broadcasting */
8833 clock_t t = clock();
8834 if(serverMoves != NULL) fclose(serverMoves);
8835 serverMoves = fopen(appData.serverMovesName, "r");
8836 if(serverMoves != NULL) {
8837 fclose(serverMoves);
8838 /* delay 15 sec before overwriting, so all clients can see end */
8839 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
8841 serverMoves = fopen(appData.serverMovesName, "w");
8845 gameMode = BeginningOfGame;
8847 if(appData.icsActive) gameInfo.variant = VariantNormal;
8848 currentMove = forwardMostMove = backwardMostMove = 0;
8849 InitPosition(redraw);
8850 for (i = 0; i < MAX_MOVES; i++) {
8851 if (commentList[i] != NULL) {
8852 free(commentList[i]);
8853 commentList[i] = NULL;
8857 timeRemaining[0][0] = whiteTimeRemaining;
8858 timeRemaining[1][0] = blackTimeRemaining;
8859 if (first.pr == NULL) {
8860 StartChessProgram(&first);
8863 InitChessProgram(&first, startedFromSetupPosition);
8866 DisplayMessage("", "");
8867 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
8868 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
8875 if (!AutoPlayOneMove())
8877 if (matchMode || appData.timeDelay == 0)
8879 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
8881 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
8890 int fromX, fromY, toX, toY;
8892 if (appData.debugMode) {
8893 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
8896 if (gameMode != PlayFromGameFile)
8899 if (currentMove >= forwardMostMove) {
8900 gameMode = EditGame;
8903 /* [AS] Clear current move marker at the end of a game */
8904 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
8909 toX = moveList[currentMove][2] - AAA;
8910 toY = moveList[currentMove][3] - ONE;
8912 if (moveList[currentMove][1] == '@') {
8913 if (appData.highlightLastMove) {
8914 SetHighlights(-1, -1, toX, toY);
8917 fromX = moveList[currentMove][0] - AAA;
8918 fromY = moveList[currentMove][1] - ONE;
8920 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
8922 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8924 if (appData.highlightLastMove) {
8925 SetHighlights(fromX, fromY, toX, toY);
8928 DisplayMove(currentMove);
8929 SendMoveToProgram(currentMove++, &first);
8930 DisplayBothClocks();
8931 DrawPosition(FALSE, boards[currentMove]);
8932 // [HGM] PV info: always display, routine tests if empty
8933 DisplayComment(currentMove - 1, commentList[currentMove]);
8939 LoadGameOneMove(readAhead)
8940 ChessMove readAhead;
8942 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
8943 char promoChar = NULLCHAR;
8948 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
8949 gameMode != AnalyzeMode && gameMode != Training) {
8954 yyboardindex = forwardMostMove;
8955 if (readAhead != (ChessMove)0) {
8956 moveType = readAhead;
8958 if (gameFileFP == NULL)
8960 moveType = (ChessMove) yylex();
8966 if (appData.debugMode)
8967 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8970 /* append the comment but don't display it */
8971 AppendComment(currentMove, p, FALSE);
8974 case WhiteCapturesEnPassant:
8975 case BlackCapturesEnPassant:
8976 case WhitePromotionChancellor:
8977 case BlackPromotionChancellor:
8978 case WhitePromotionArchbishop:
8979 case BlackPromotionArchbishop:
8980 case WhitePromotionCentaur:
8981 case BlackPromotionCentaur:
8982 case WhitePromotionQueen:
8983 case BlackPromotionQueen:
8984 case WhitePromotionRook:
8985 case BlackPromotionRook:
8986 case WhitePromotionBishop:
8987 case BlackPromotionBishop:
8988 case WhitePromotionKnight:
8989 case BlackPromotionKnight:
8990 case WhitePromotionKing:
8991 case BlackPromotionKing:
8993 case WhiteKingSideCastle:
8994 case WhiteQueenSideCastle:
8995 case BlackKingSideCastle:
8996 case BlackQueenSideCastle:
8997 case WhiteKingSideCastleWild:
8998 case WhiteQueenSideCastleWild:
8999 case BlackKingSideCastleWild:
9000 case BlackQueenSideCastleWild:
9002 case WhiteHSideCastleFR:
9003 case WhiteASideCastleFR:
9004 case BlackHSideCastleFR:
9005 case BlackASideCastleFR:
9007 if (appData.debugMode)
9008 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9009 fromX = currentMoveString[0] - AAA;
9010 fromY = currentMoveString[1] - ONE;
9011 toX = currentMoveString[2] - AAA;
9012 toY = currentMoveString[3] - ONE;
9013 promoChar = currentMoveString[4];
9018 if (appData.debugMode)
9019 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9020 fromX = moveType == WhiteDrop ?
9021 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9022 (int) CharToPiece(ToLower(currentMoveString[0]));
9024 toX = currentMoveString[2] - AAA;
9025 toY = currentMoveString[3] - ONE;
9031 case GameUnfinished:
9032 if (appData.debugMode)
9033 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9034 p = strchr(yy_text, '{');
9035 if (p == NULL) p = strchr(yy_text, '(');
9038 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9040 q = strchr(p, *p == '{' ? '}' : ')');
9041 if (q != NULL) *q = NULLCHAR;
9044 GameEnds(moveType, p, GE_FILE);
9046 if (cmailMsgLoaded) {
9048 flipView = WhiteOnMove(currentMove);
9049 if (moveType == GameUnfinished) flipView = !flipView;
9050 if (appData.debugMode)
9051 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9055 case (ChessMove) 0: /* end of file */
9056 if (appData.debugMode)
9057 fprintf(debugFP, "Parser hit end of file\n");
9058 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9064 if (WhiteOnMove(currentMove)) {
9065 GameEnds(BlackWins, "Black mates", GE_FILE);
9067 GameEnds(WhiteWins, "White mates", GE_FILE);
9071 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9078 if (lastLoadGameStart == GNUChessGame) {
9079 /* GNUChessGames have numbers, but they aren't move numbers */
9080 if (appData.debugMode)
9081 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9082 yy_text, (int) moveType);
9083 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9085 /* else fall thru */
9090 /* Reached start of next game in file */
9091 if (appData.debugMode)
9092 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9093 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9099 if (WhiteOnMove(currentMove)) {
9100 GameEnds(BlackWins, "Black mates", GE_FILE);
9102 GameEnds(WhiteWins, "White mates", GE_FILE);
9106 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9112 case PositionDiagram: /* should not happen; ignore */
9113 case ElapsedTime: /* ignore */
9114 case NAG: /* ignore */
9115 if (appData.debugMode)
9116 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9117 yy_text, (int) moveType);
9118 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9121 if (appData.testLegality) {
9122 if (appData.debugMode)
9123 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9124 sprintf(move, _("Illegal move: %d.%s%s"),
9125 (forwardMostMove / 2) + 1,
9126 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9127 DisplayError(move, 0);
9130 if (appData.debugMode)
9131 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9132 yy_text, currentMoveString);
9133 fromX = currentMoveString[0] - AAA;
9134 fromY = currentMoveString[1] - ONE;
9135 toX = currentMoveString[2] - AAA;
9136 toY = currentMoveString[3] - ONE;
9137 promoChar = currentMoveString[4];
9142 if (appData.debugMode)
9143 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9144 sprintf(move, _("Ambiguous move: %d.%s%s"),
9145 (forwardMostMove / 2) + 1,
9146 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9147 DisplayError(move, 0);
9152 case ImpossibleMove:
9153 if (appData.debugMode)
9154 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9155 sprintf(move, _("Illegal move: %d.%s%s"),
9156 (forwardMostMove / 2) + 1,
9157 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9158 DisplayError(move, 0);
9164 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9165 DrawPosition(FALSE, boards[currentMove]);
9166 DisplayBothClocks();
9167 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9168 DisplayComment(currentMove - 1, commentList[currentMove]);
9170 (void) StopLoadGameTimer();
9172 cmailOldMove = forwardMostMove;
9175 /* currentMoveString is set as a side-effect of yylex */
9176 strcat(currentMoveString, "\n");
9177 strcpy(moveList[forwardMostMove], currentMoveString);
9179 thinkOutput[0] = NULLCHAR;
9180 MakeMove(fromX, fromY, toX, toY, promoChar);
9181 currentMove = forwardMostMove;
9186 /* Load the nth game from the given file */
9188 LoadGameFromFile(filename, n, title, useList)
9192 /*Boolean*/ int useList;
9197 if (strcmp(filename, "-") == 0) {
9201 f = fopen(filename, "rb");
9203 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9204 DisplayError(buf, errno);
9208 if (fseek(f, 0, 0) == -1) {
9209 /* f is not seekable; probably a pipe */
9212 if (useList && n == 0) {
9213 int error = GameListBuild(f);
9215 DisplayError(_("Cannot build game list"), error);
9216 } else if (!ListEmpty(&gameList) &&
9217 ((ListGame *) gameList.tailPred)->number > 1) {
9218 GameListPopUp(f, title);
9225 return LoadGame(f, n, title, FALSE);
9230 MakeRegisteredMove()
9232 int fromX, fromY, toX, toY;
9234 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9235 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9238 if (appData.debugMode)
9239 fprintf(debugFP, "Restoring %s for game %d\n",
9240 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9242 thinkOutput[0] = NULLCHAR;
9243 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9244 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9245 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9246 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9247 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9248 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9249 MakeMove(fromX, fromY, toX, toY, promoChar);
9250 ShowMove(fromX, fromY, toX, toY);
9252 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9259 if (WhiteOnMove(currentMove)) {
9260 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9262 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9267 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9274 if (WhiteOnMove(currentMove)) {
9275 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9277 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9282 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9293 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9295 CmailLoadGame(f, gameNumber, title, useList)
9303 if (gameNumber > nCmailGames) {
9304 DisplayError(_("No more games in this message"), 0);
9307 if (f == lastLoadGameFP) {
9308 int offset = gameNumber - lastLoadGameNumber;
9310 cmailMsg[0] = NULLCHAR;
9311 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9312 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9313 nCmailMovesRegistered--;
9315 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9316 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9317 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9320 if (! RegisterMove()) return FALSE;
9324 retVal = LoadGame(f, gameNumber, title, useList);
9326 /* Make move registered during previous look at this game, if any */
9327 MakeRegisteredMove();
9329 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9330 commentList[currentMove]
9331 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9332 DisplayComment(currentMove - 1, commentList[currentMove]);
9338 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9343 int gameNumber = lastLoadGameNumber + offset;
9344 if (lastLoadGameFP == NULL) {
9345 DisplayError(_("No game has been loaded yet"), 0);
9348 if (gameNumber <= 0) {
9349 DisplayError(_("Can't back up any further"), 0);
9352 if (cmailMsgLoaded) {
9353 return CmailLoadGame(lastLoadGameFP, gameNumber,
9354 lastLoadGameTitle, lastLoadGameUseList);
9356 return LoadGame(lastLoadGameFP, gameNumber,
9357 lastLoadGameTitle, lastLoadGameUseList);
9363 /* Load the nth game from open file f */
9365 LoadGame(f, gameNumber, title, useList)
9373 int gn = gameNumber;
9374 ListGame *lg = NULL;
9377 GameMode oldGameMode;
9378 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9380 if (appData.debugMode)
9381 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9383 if (gameMode == Training )
9384 SetTrainingModeOff();
9386 oldGameMode = gameMode;
9387 if (gameMode != BeginningOfGame) {
9392 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9393 fclose(lastLoadGameFP);
9397 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9400 fseek(f, lg->offset, 0);
9401 GameListHighlight(gameNumber);
9405 DisplayError(_("Game number out of range"), 0);
9410 if (fseek(f, 0, 0) == -1) {
9411 if (f == lastLoadGameFP ?
9412 gameNumber == lastLoadGameNumber + 1 :
9416 DisplayError(_("Can't seek on game file"), 0);
9422 lastLoadGameNumber = gameNumber;
9423 strcpy(lastLoadGameTitle, title);
9424 lastLoadGameUseList = useList;
9428 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9429 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9430 lg->gameInfo.black);
9432 } else if (*title != NULLCHAR) {
9433 if (gameNumber > 1) {
9434 sprintf(buf, "%s %d", title, gameNumber);
9437 DisplayTitle(title);
9441 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9442 gameMode = PlayFromGameFile;
9446 currentMove = forwardMostMove = backwardMostMove = 0;
9447 CopyBoard(boards[0], initialPosition);
9451 * Skip the first gn-1 games in the file.
9452 * Also skip over anything that precedes an identifiable
9453 * start of game marker, to avoid being confused by
9454 * garbage at the start of the file. Currently
9455 * recognized start of game markers are the move number "1",
9456 * the pattern "gnuchess .* game", the pattern
9457 * "^[#;%] [^ ]* game file", and a PGN tag block.
9458 * A game that starts with one of the latter two patterns
9459 * will also have a move number 1, possibly
9460 * following a position diagram.
9461 * 5-4-02: Let's try being more lenient and allowing a game to
9462 * start with an unnumbered move. Does that break anything?
9464 cm = lastLoadGameStart = (ChessMove) 0;
9466 yyboardindex = forwardMostMove;
9467 cm = (ChessMove) yylex();
9470 if (cmailMsgLoaded) {
9471 nCmailGames = CMAIL_MAX_GAMES - gn;
9474 DisplayError(_("Game not found in file"), 0);
9481 lastLoadGameStart = cm;
9485 switch (lastLoadGameStart) {
9492 gn--; /* count this game */
9493 lastLoadGameStart = cm;
9502 switch (lastLoadGameStart) {
9507 gn--; /* count this game */
9508 lastLoadGameStart = cm;
9511 lastLoadGameStart = cm; /* game counted already */
9519 yyboardindex = forwardMostMove;
9520 cm = (ChessMove) yylex();
9521 } while (cm == PGNTag || cm == Comment);
9528 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9529 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9530 != CMAIL_OLD_RESULT) {
9532 cmailResult[ CMAIL_MAX_GAMES
9533 - gn - 1] = CMAIL_OLD_RESULT;
9539 /* Only a NormalMove can be at the start of a game
9540 * without a position diagram. */
9541 if (lastLoadGameStart == (ChessMove) 0) {
9543 lastLoadGameStart = MoveNumberOne;
9552 if (appData.debugMode)
9553 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9555 if (cm == XBoardGame) {
9556 /* Skip any header junk before position diagram and/or move 1 */
9558 yyboardindex = forwardMostMove;
9559 cm = (ChessMove) yylex();
9561 if (cm == (ChessMove) 0 ||
9562 cm == GNUChessGame || cm == XBoardGame) {
9563 /* Empty game; pretend end-of-file and handle later */
9568 if (cm == MoveNumberOne || cm == PositionDiagram ||
9569 cm == PGNTag || cm == Comment)
9572 } else if (cm == GNUChessGame) {
9573 if (gameInfo.event != NULL) {
9574 free(gameInfo.event);
9576 gameInfo.event = StrSave(yy_text);
9579 startedFromSetupPosition = FALSE;
9580 while (cm == PGNTag) {
9581 if (appData.debugMode)
9582 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9583 err = ParsePGNTag(yy_text, &gameInfo);
9584 if (!err) numPGNTags++;
9586 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9587 if(gameInfo.variant != oldVariant) {
9588 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9590 oldVariant = gameInfo.variant;
9591 if (appData.debugMode)
9592 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9596 if (gameInfo.fen != NULL) {
9597 Board initial_position;
9598 startedFromSetupPosition = TRUE;
9599 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9601 DisplayError(_("Bad FEN position in file"), 0);
9604 CopyBoard(boards[0], initial_position);
9605 if (blackPlaysFirst) {
9606 currentMove = forwardMostMove = backwardMostMove = 1;
9607 CopyBoard(boards[1], initial_position);
9608 strcpy(moveList[0], "");
9609 strcpy(parseList[0], "");
9610 timeRemaining[0][1] = whiteTimeRemaining;
9611 timeRemaining[1][1] = blackTimeRemaining;
9612 if (commentList[0] != NULL) {
9613 commentList[1] = commentList[0];
9614 commentList[0] = NULL;
9617 currentMove = forwardMostMove = backwardMostMove = 0;
9619 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9621 initialRulePlies = FENrulePlies;
9622 for( i=0; i< nrCastlingRights; i++ )
9623 initialRights[i] = initial_position[CASTLING][i];
9625 yyboardindex = forwardMostMove;
9627 gameInfo.fen = NULL;
9630 yyboardindex = forwardMostMove;
9631 cm = (ChessMove) yylex();
9633 /* Handle comments interspersed among the tags */
9634 while (cm == Comment) {
9636 if (appData.debugMode)
9637 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9639 AppendComment(currentMove, p, FALSE);
9640 yyboardindex = forwardMostMove;
9641 cm = (ChessMove) yylex();
9645 /* don't rely on existence of Event tag since if game was
9646 * pasted from clipboard the Event tag may not exist
9648 if (numPGNTags > 0){
9650 if (gameInfo.variant == VariantNormal) {
9651 gameInfo.variant = StringToVariant(gameInfo.event);
9654 if( appData.autoDisplayTags ) {
9655 tags = PGNTags(&gameInfo);
9656 TagsPopUp(tags, CmailMsg());
9661 /* Make something up, but don't display it now */
9666 if (cm == PositionDiagram) {
9669 Board initial_position;
9671 if (appData.debugMode)
9672 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9674 if (!startedFromSetupPosition) {
9676 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9677 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9687 initial_position[i][j++] = CharToPiece(*p);
9690 while (*p == ' ' || *p == '\t' ||
9691 *p == '\n' || *p == '\r') p++;
9693 if (strncmp(p, "black", strlen("black"))==0)
9694 blackPlaysFirst = TRUE;
9696 blackPlaysFirst = FALSE;
9697 startedFromSetupPosition = TRUE;
9699 CopyBoard(boards[0], initial_position);
9700 if (blackPlaysFirst) {
9701 currentMove = forwardMostMove = backwardMostMove = 1;
9702 CopyBoard(boards[1], initial_position);
9703 strcpy(moveList[0], "");
9704 strcpy(parseList[0], "");
9705 timeRemaining[0][1] = whiteTimeRemaining;
9706 timeRemaining[1][1] = blackTimeRemaining;
9707 if (commentList[0] != NULL) {
9708 commentList[1] = commentList[0];
9709 commentList[0] = NULL;
9712 currentMove = forwardMostMove = backwardMostMove = 0;
9715 yyboardindex = forwardMostMove;
9716 cm = (ChessMove) yylex();
9719 if (first.pr == NoProc) {
9720 StartChessProgram(&first);
9722 InitChessProgram(&first, FALSE);
9723 SendToProgram("force\n", &first);
9724 if (startedFromSetupPosition) {
9725 SendBoard(&first, forwardMostMove);
9726 if (appData.debugMode) {
9727 fprintf(debugFP, "Load Game\n");
9729 DisplayBothClocks();
9732 /* [HGM] server: flag to write setup moves in broadcast file as one */
9733 loadFlag = appData.suppressLoadMoves;
9735 while (cm == Comment) {
9737 if (appData.debugMode)
9738 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9740 AppendComment(currentMove, p, FALSE);
9741 yyboardindex = forwardMostMove;
9742 cm = (ChessMove) yylex();
9745 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
9746 cm == WhiteWins || cm == BlackWins ||
9747 cm == GameIsDrawn || cm == GameUnfinished) {
9748 DisplayMessage("", _("No moves in game"));
9749 if (cmailMsgLoaded) {
9750 if (appData.debugMode)
9751 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
9755 DrawPosition(FALSE, boards[currentMove]);
9756 DisplayBothClocks();
9757 gameMode = EditGame;
9764 // [HGM] PV info: routine tests if comment empty
9765 if (!matchMode && (pausing || appData.timeDelay != 0)) {
9766 DisplayComment(currentMove - 1, commentList[currentMove]);
9768 if (!matchMode && appData.timeDelay != 0)
9769 DrawPosition(FALSE, boards[currentMove]);
9771 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
9772 programStats.ok_to_send = 1;
9775 /* if the first token after the PGN tags is a move
9776 * and not move number 1, retrieve it from the parser
9778 if (cm != MoveNumberOne)
9779 LoadGameOneMove(cm);
9781 /* load the remaining moves from the file */
9782 while (LoadGameOneMove((ChessMove)0)) {
9783 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9784 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9787 /* rewind to the start of the game */
9788 currentMove = backwardMostMove;
9790 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9792 if (oldGameMode == AnalyzeFile ||
9793 oldGameMode == AnalyzeMode) {
9797 if (matchMode || appData.timeDelay == 0) {
9799 gameMode = EditGame;
9801 } else if (appData.timeDelay > 0) {
9805 if (appData.debugMode)
9806 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
9808 loadFlag = 0; /* [HGM] true game starts */
9812 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
9814 ReloadPosition(offset)
9817 int positionNumber = lastLoadPositionNumber + offset;
9818 if (lastLoadPositionFP == NULL) {
9819 DisplayError(_("No position has been loaded yet"), 0);
9822 if (positionNumber <= 0) {
9823 DisplayError(_("Can't back up any further"), 0);
9826 return LoadPosition(lastLoadPositionFP, positionNumber,
9827 lastLoadPositionTitle);
9830 /* Load the nth position from the given file */
9832 LoadPositionFromFile(filename, n, title)
9840 if (strcmp(filename, "-") == 0) {
9841 return LoadPosition(stdin, n, "stdin");
9843 f = fopen(filename, "rb");
9845 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9846 DisplayError(buf, errno);
9849 return LoadPosition(f, n, title);
9854 /* Load the nth position from the given open file, and close it */
9856 LoadPosition(f, positionNumber, title)
9861 char *p, line[MSG_SIZ];
9862 Board initial_position;
9863 int i, j, fenMode, pn;
9865 if (gameMode == Training )
9866 SetTrainingModeOff();
9868 if (gameMode != BeginningOfGame) {
9871 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
9872 fclose(lastLoadPositionFP);
9874 if (positionNumber == 0) positionNumber = 1;
9875 lastLoadPositionFP = f;
9876 lastLoadPositionNumber = positionNumber;
9877 strcpy(lastLoadPositionTitle, title);
9878 if (first.pr == NoProc) {
9879 StartChessProgram(&first);
9880 InitChessProgram(&first, FALSE);
9882 pn = positionNumber;
9883 if (positionNumber < 0) {
9884 /* Negative position number means to seek to that byte offset */
9885 if (fseek(f, -positionNumber, 0) == -1) {
9886 DisplayError(_("Can't seek on position file"), 0);
9891 if (fseek(f, 0, 0) == -1) {
9892 if (f == lastLoadPositionFP ?
9893 positionNumber == lastLoadPositionNumber + 1 :
9894 positionNumber == 1) {
9897 DisplayError(_("Can't seek on position file"), 0);
9902 /* See if this file is FEN or old-style xboard */
9903 if (fgets(line, MSG_SIZ, f) == NULL) {
9904 DisplayError(_("Position not found in file"), 0);
9907 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
9908 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
9911 if (fenMode || line[0] == '#') pn--;
9913 /* skip positions before number pn */
9914 if (fgets(line, MSG_SIZ, f) == NULL) {
9916 DisplayError(_("Position not found in file"), 0);
9919 if (fenMode || line[0] == '#') pn--;
9924 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
9925 DisplayError(_("Bad FEN position in file"), 0);
9929 (void) fgets(line, MSG_SIZ, f);
9930 (void) fgets(line, MSG_SIZ, f);
9932 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
9933 (void) fgets(line, MSG_SIZ, f);
9934 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
9937 initial_position[i][j++] = CharToPiece(*p);
9941 blackPlaysFirst = FALSE;
9943 (void) fgets(line, MSG_SIZ, f);
9944 if (strncmp(line, "black", strlen("black"))==0)
9945 blackPlaysFirst = TRUE;
9948 startedFromSetupPosition = TRUE;
9950 SendToProgram("force\n", &first);
9951 CopyBoard(boards[0], initial_position);
9952 if (blackPlaysFirst) {
9953 currentMove = forwardMostMove = backwardMostMove = 1;
9954 strcpy(moveList[0], "");
9955 strcpy(parseList[0], "");
9956 CopyBoard(boards[1], initial_position);
9957 DisplayMessage("", _("Black to play"));
9959 currentMove = forwardMostMove = backwardMostMove = 0;
9960 DisplayMessage("", _("White to play"));
9962 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
9963 SendBoard(&first, forwardMostMove);
9964 if (appData.debugMode) {
9966 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
9967 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
9968 fprintf(debugFP, "Load Position\n");
9971 if (positionNumber > 1) {
9972 sprintf(line, "%s %d", title, positionNumber);
9975 DisplayTitle(title);
9977 gameMode = EditGame;
9980 timeRemaining[0][1] = whiteTimeRemaining;
9981 timeRemaining[1][1] = blackTimeRemaining;
9982 DrawPosition(FALSE, boards[currentMove]);
9989 CopyPlayerNameIntoFileName(dest, src)
9992 while (*src != NULLCHAR && *src != ',') {
9997 *(*dest)++ = *src++;
10002 char *DefaultFileName(ext)
10005 static char def[MSG_SIZ];
10008 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10010 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10012 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10021 /* Save the current game to the given file */
10023 SaveGameToFile(filename, append)
10030 if (strcmp(filename, "-") == 0) {
10031 return SaveGame(stdout, 0, NULL);
10033 f = fopen(filename, append ? "a" : "w");
10035 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10036 DisplayError(buf, errno);
10039 return SaveGame(f, 0, NULL);
10048 static char buf[MSG_SIZ];
10051 p = strchr(str, ' ');
10052 if (p == NULL) return str;
10053 strncpy(buf, str, p - str);
10054 buf[p - str] = NULLCHAR;
10058 #define PGN_MAX_LINE 75
10060 #define PGN_SIDE_WHITE 0
10061 #define PGN_SIDE_BLACK 1
10064 static int FindFirstMoveOutOfBook( int side )
10068 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10069 int index = backwardMostMove;
10070 int has_book_hit = 0;
10072 if( (index % 2) != side ) {
10076 while( index < forwardMostMove ) {
10077 /* Check to see if engine is in book */
10078 int depth = pvInfoList[index].depth;
10079 int score = pvInfoList[index].score;
10085 else if( score == 0 && depth == 63 ) {
10086 in_book = 1; /* Zappa */
10088 else if( score == 2 && depth == 99 ) {
10089 in_book = 1; /* Abrok */
10092 has_book_hit += in_book;
10108 void GetOutOfBookInfo( char * buf )
10112 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10114 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10115 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10119 if( oob[0] >= 0 || oob[1] >= 0 ) {
10120 for( i=0; i<2; i++ ) {
10124 if( i > 0 && oob[0] >= 0 ) {
10125 strcat( buf, " " );
10128 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10129 sprintf( buf+strlen(buf), "%s%.2f",
10130 pvInfoList[idx].score >= 0 ? "+" : "",
10131 pvInfoList[idx].score / 100.0 );
10137 /* Save game in PGN style and close the file */
10142 int i, offset, linelen, newblock;
10146 int movelen, numlen, blank;
10147 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10149 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10151 tm = time((time_t *) NULL);
10153 PrintPGNTags(f, &gameInfo);
10155 if (backwardMostMove > 0 || startedFromSetupPosition) {
10156 char *fen = PositionToFEN(backwardMostMove, NULL);
10157 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10158 fprintf(f, "\n{--------------\n");
10159 PrintPosition(f, backwardMostMove);
10160 fprintf(f, "--------------}\n");
10164 /* [AS] Out of book annotation */
10165 if( appData.saveOutOfBookInfo ) {
10168 GetOutOfBookInfo( buf );
10170 if( buf[0] != '\0' ) {
10171 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10178 i = backwardMostMove;
10182 while (i < forwardMostMove) {
10183 /* Print comments preceding this move */
10184 if (commentList[i] != NULL) {
10185 if (linelen > 0) fprintf(f, "\n");
10186 fprintf(f, "%s", commentList[i]);
10191 /* Format move number */
10192 if ((i % 2) == 0) {
10193 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10196 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10198 numtext[0] = NULLCHAR;
10201 numlen = strlen(numtext);
10204 /* Print move number */
10205 blank = linelen > 0 && numlen > 0;
10206 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10215 fprintf(f, "%s", numtext);
10219 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10220 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10223 blank = linelen > 0 && movelen > 0;
10224 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10233 fprintf(f, "%s", move_buffer);
10234 linelen += movelen;
10236 /* [AS] Add PV info if present */
10237 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10238 /* [HGM] add time */
10239 char buf[MSG_SIZ]; int seconds;
10241 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10243 if( seconds <= 0) buf[0] = 0; else
10244 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10245 seconds = (seconds + 4)/10; // round to full seconds
10246 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10247 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10250 sprintf( move_buffer, "{%s%.2f/%d%s}",
10251 pvInfoList[i].score >= 0 ? "+" : "",
10252 pvInfoList[i].score / 100.0,
10253 pvInfoList[i].depth,
10256 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10258 /* Print score/depth */
10259 blank = linelen > 0 && movelen > 0;
10260 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10269 fprintf(f, "%s", move_buffer);
10270 linelen += movelen;
10276 /* Start a new line */
10277 if (linelen > 0) fprintf(f, "\n");
10279 /* Print comments after last move */
10280 if (commentList[i] != NULL) {
10281 fprintf(f, "%s\n", commentList[i]);
10285 if (gameInfo.resultDetails != NULL &&
10286 gameInfo.resultDetails[0] != NULLCHAR) {
10287 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10288 PGNResult(gameInfo.result));
10290 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10294 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10298 /* Save game in old style and close the file */
10300 SaveGameOldStyle(f)
10306 tm = time((time_t *) NULL);
10308 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10311 if (backwardMostMove > 0 || startedFromSetupPosition) {
10312 fprintf(f, "\n[--------------\n");
10313 PrintPosition(f, backwardMostMove);
10314 fprintf(f, "--------------]\n");
10319 i = backwardMostMove;
10320 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10322 while (i < forwardMostMove) {
10323 if (commentList[i] != NULL) {
10324 fprintf(f, "[%s]\n", commentList[i]);
10327 if ((i % 2) == 1) {
10328 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10331 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10333 if (commentList[i] != NULL) {
10337 if (i >= forwardMostMove) {
10341 fprintf(f, "%s\n", parseList[i]);
10346 if (commentList[i] != NULL) {
10347 fprintf(f, "[%s]\n", commentList[i]);
10350 /* This isn't really the old style, but it's close enough */
10351 if (gameInfo.resultDetails != NULL &&
10352 gameInfo.resultDetails[0] != NULLCHAR) {
10353 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10354 gameInfo.resultDetails);
10356 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10363 /* Save the current game to open file f and close the file */
10365 SaveGame(f, dummy, dummy2)
10370 if (gameMode == EditPosition) EditPositionDone(TRUE);
10371 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10372 if (appData.oldSaveStyle)
10373 return SaveGameOldStyle(f);
10375 return SaveGamePGN(f);
10378 /* Save the current position to the given file */
10380 SavePositionToFile(filename)
10386 if (strcmp(filename, "-") == 0) {
10387 return SavePosition(stdout, 0, NULL);
10389 f = fopen(filename, "a");
10391 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10392 DisplayError(buf, errno);
10395 SavePosition(f, 0, NULL);
10401 /* Save the current position to the given open file and close the file */
10403 SavePosition(f, dummy, dummy2)
10411 if (gameMode == EditPosition) EditPositionDone(TRUE);
10412 if (appData.oldSaveStyle) {
10413 tm = time((time_t *) NULL);
10415 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10417 fprintf(f, "[--------------\n");
10418 PrintPosition(f, currentMove);
10419 fprintf(f, "--------------]\n");
10421 fen = PositionToFEN(currentMove, NULL);
10422 fprintf(f, "%s\n", fen);
10430 ReloadCmailMsgEvent(unregister)
10434 static char *inFilename = NULL;
10435 static char *outFilename;
10437 struct stat inbuf, outbuf;
10440 /* Any registered moves are unregistered if unregister is set, */
10441 /* i.e. invoked by the signal handler */
10443 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10444 cmailMoveRegistered[i] = FALSE;
10445 if (cmailCommentList[i] != NULL) {
10446 free(cmailCommentList[i]);
10447 cmailCommentList[i] = NULL;
10450 nCmailMovesRegistered = 0;
10453 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10454 cmailResult[i] = CMAIL_NOT_RESULT;
10458 if (inFilename == NULL) {
10459 /* Because the filenames are static they only get malloced once */
10460 /* and they never get freed */
10461 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10462 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10464 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10465 sprintf(outFilename, "%s.out", appData.cmailGameName);
10468 status = stat(outFilename, &outbuf);
10470 cmailMailedMove = FALSE;
10472 status = stat(inFilename, &inbuf);
10473 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10476 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10477 counts the games, notes how each one terminated, etc.
10479 It would be nice to remove this kludge and instead gather all
10480 the information while building the game list. (And to keep it
10481 in the game list nodes instead of having a bunch of fixed-size
10482 parallel arrays.) Note this will require getting each game's
10483 termination from the PGN tags, as the game list builder does
10484 not process the game moves. --mann
10486 cmailMsgLoaded = TRUE;
10487 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10489 /* Load first game in the file or popup game menu */
10490 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10492 #endif /* !WIN32 */
10500 char string[MSG_SIZ];
10502 if ( cmailMailedMove
10503 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10504 return TRUE; /* Allow free viewing */
10507 /* Unregister move to ensure that we don't leave RegisterMove */
10508 /* with the move registered when the conditions for registering no */
10510 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10511 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10512 nCmailMovesRegistered --;
10514 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10516 free(cmailCommentList[lastLoadGameNumber - 1]);
10517 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10521 if (cmailOldMove == -1) {
10522 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10526 if (currentMove > cmailOldMove + 1) {
10527 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10531 if (currentMove < cmailOldMove) {
10532 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10536 if (forwardMostMove > currentMove) {
10537 /* Silently truncate extra moves */
10541 if ( (currentMove == cmailOldMove + 1)
10542 || ( (currentMove == cmailOldMove)
10543 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10544 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10545 if (gameInfo.result != GameUnfinished) {
10546 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10549 if (commentList[currentMove] != NULL) {
10550 cmailCommentList[lastLoadGameNumber - 1]
10551 = StrSave(commentList[currentMove]);
10553 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10555 if (appData.debugMode)
10556 fprintf(debugFP, "Saving %s for game %d\n",
10557 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10560 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10562 f = fopen(string, "w");
10563 if (appData.oldSaveStyle) {
10564 SaveGameOldStyle(f); /* also closes the file */
10566 sprintf(string, "%s.pos.out", appData.cmailGameName);
10567 f = fopen(string, "w");
10568 SavePosition(f, 0, NULL); /* also closes the file */
10570 fprintf(f, "{--------------\n");
10571 PrintPosition(f, currentMove);
10572 fprintf(f, "--------------}\n\n");
10574 SaveGame(f, 0, NULL); /* also closes the file*/
10577 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10578 nCmailMovesRegistered ++;
10579 } else if (nCmailGames == 1) {
10580 DisplayError(_("You have not made a move yet"), 0);
10591 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10592 FILE *commandOutput;
10593 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10594 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10600 if (! cmailMsgLoaded) {
10601 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10605 if (nCmailGames == nCmailResults) {
10606 DisplayError(_("No unfinished games"), 0);
10610 #if CMAIL_PROHIBIT_REMAIL
10611 if (cmailMailedMove) {
10612 sprintf(msg, _("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);
10613 DisplayError(msg, 0);
10618 if (! (cmailMailedMove || RegisterMove())) return;
10620 if ( cmailMailedMove
10621 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10622 sprintf(string, partCommandString,
10623 appData.debugMode ? " -v" : "", appData.cmailGameName);
10624 commandOutput = popen(string, "r");
10626 if (commandOutput == NULL) {
10627 DisplayError(_("Failed to invoke cmail"), 0);
10629 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10630 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10632 if (nBuffers > 1) {
10633 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10634 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10635 nBytes = MSG_SIZ - 1;
10637 (void) memcpy(msg, buffer, nBytes);
10639 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10641 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10642 cmailMailedMove = TRUE; /* Prevent >1 moves */
10645 for (i = 0; i < nCmailGames; i ++) {
10646 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10651 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10653 sprintf(buffer, "%s/%s.%s.archive",
10655 appData.cmailGameName,
10657 LoadGameFromFile(buffer, 1, buffer, FALSE);
10658 cmailMsgLoaded = FALSE;
10662 DisplayInformation(msg);
10663 pclose(commandOutput);
10666 if ((*cmailMsg) != '\0') {
10667 DisplayInformation(cmailMsg);
10672 #endif /* !WIN32 */
10681 int prependComma = 0;
10683 char string[MSG_SIZ]; /* Space for game-list */
10686 if (!cmailMsgLoaded) return "";
10688 if (cmailMailedMove) {
10689 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10691 /* Create a list of games left */
10692 sprintf(string, "[");
10693 for (i = 0; i < nCmailGames; i ++) {
10694 if (! ( cmailMoveRegistered[i]
10695 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10696 if (prependComma) {
10697 sprintf(number, ",%d", i + 1);
10699 sprintf(number, "%d", i + 1);
10703 strcat(string, number);
10706 strcat(string, "]");
10708 if (nCmailMovesRegistered + nCmailResults == 0) {
10709 switch (nCmailGames) {
10712 _("Still need to make move for game\n"));
10717 _("Still need to make moves for both games\n"));
10722 _("Still need to make moves for all %d games\n"),
10727 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10730 _("Still need to make a move for game %s\n"),
10735 if (nCmailResults == nCmailGames) {
10736 sprintf(cmailMsg, _("No unfinished games\n"));
10738 sprintf(cmailMsg, _("Ready to send mail\n"));
10744 _("Still need to make moves for games %s\n"),
10756 if (gameMode == Training)
10757 SetTrainingModeOff();
10760 cmailMsgLoaded = FALSE;
10761 if (appData.icsActive) {
10762 SendToICS(ics_prefix);
10763 SendToICS("refresh\n");
10773 /* Give up on clean exit */
10777 /* Keep trying for clean exit */
10781 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
10783 if (telnetISR != NULL) {
10784 RemoveInputSource(telnetISR);
10786 if (icsPR != NoProc) {
10787 DestroyChildProcess(icsPR, TRUE);
10790 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
10791 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
10793 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
10794 /* make sure this other one finishes before killing it! */
10795 if(endingGame) { int count = 0;
10796 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
10797 while(endingGame && count++ < 10) DoSleep(1);
10798 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
10801 /* Kill off chess programs */
10802 if (first.pr != NoProc) {
10805 DoSleep( appData.delayBeforeQuit );
10806 SendToProgram("quit\n", &first);
10807 DoSleep( appData.delayAfterQuit );
10808 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
10810 if (second.pr != NoProc) {
10811 DoSleep( appData.delayBeforeQuit );
10812 SendToProgram("quit\n", &second);
10813 DoSleep( appData.delayAfterQuit );
10814 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
10816 if (first.isr != NULL) {
10817 RemoveInputSource(first.isr);
10819 if (second.isr != NULL) {
10820 RemoveInputSource(second.isr);
10823 ShutDownFrontEnd();
10830 if (appData.debugMode)
10831 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
10835 if (gameMode == MachinePlaysWhite ||
10836 gameMode == MachinePlaysBlack) {
10839 DisplayBothClocks();
10841 if (gameMode == PlayFromGameFile) {
10842 if (appData.timeDelay >= 0)
10843 AutoPlayGameLoop();
10844 } else if (gameMode == IcsExamining && pauseExamInvalid) {
10845 Reset(FALSE, TRUE);
10846 SendToICS(ics_prefix);
10847 SendToICS("refresh\n");
10848 } else if (currentMove < forwardMostMove) {
10849 ForwardInner(forwardMostMove);
10851 pauseExamInvalid = FALSE;
10853 switch (gameMode) {
10857 pauseExamForwardMostMove = forwardMostMove;
10858 pauseExamInvalid = FALSE;
10861 case IcsPlayingWhite:
10862 case IcsPlayingBlack:
10866 case PlayFromGameFile:
10867 (void) StopLoadGameTimer();
10871 case BeginningOfGame:
10872 if (appData.icsActive) return;
10873 /* else fall through */
10874 case MachinePlaysWhite:
10875 case MachinePlaysBlack:
10876 case TwoMachinesPlay:
10877 if (forwardMostMove == 0)
10878 return; /* don't pause if no one has moved */
10879 if ((gameMode == MachinePlaysWhite &&
10880 !WhiteOnMove(forwardMostMove)) ||
10881 (gameMode == MachinePlaysBlack &&
10882 WhiteOnMove(forwardMostMove))) {
10895 char title[MSG_SIZ];
10897 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
10898 strcpy(title, _("Edit comment"));
10900 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
10901 WhiteOnMove(currentMove - 1) ? " " : ".. ",
10902 parseList[currentMove - 1]);
10905 EditCommentPopUp(currentMove, title, commentList[currentMove]);
10912 char *tags = PGNTags(&gameInfo);
10913 EditTagsPopUp(tags);
10920 if (appData.noChessProgram || gameMode == AnalyzeMode)
10923 if (gameMode != AnalyzeFile) {
10924 if (!appData.icsEngineAnalyze) {
10926 if (gameMode != EditGame) return;
10928 ResurrectChessProgram();
10929 SendToProgram("analyze\n", &first);
10930 first.analyzing = TRUE;
10931 /*first.maybeThinking = TRUE;*/
10932 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10933 EngineOutputPopUp();
10935 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
10940 StartAnalysisClock();
10941 GetTimeMark(&lastNodeCountTime);
10948 if (appData.noChessProgram || gameMode == AnalyzeFile)
10951 if (gameMode != AnalyzeMode) {
10953 if (gameMode != EditGame) return;
10954 ResurrectChessProgram();
10955 SendToProgram("analyze\n", &first);
10956 first.analyzing = TRUE;
10957 /*first.maybeThinking = TRUE;*/
10958 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10959 EngineOutputPopUp();
10961 gameMode = AnalyzeFile;
10966 StartAnalysisClock();
10967 GetTimeMark(&lastNodeCountTime);
10972 MachineWhiteEvent()
10975 char *bookHit = NULL;
10977 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
10981 if (gameMode == PlayFromGameFile ||
10982 gameMode == TwoMachinesPlay ||
10983 gameMode == Training ||
10984 gameMode == AnalyzeMode ||
10985 gameMode == EndOfGame)
10988 if (gameMode == EditPosition)
10989 EditPositionDone(TRUE);
10991 if (!WhiteOnMove(currentMove)) {
10992 DisplayError(_("It is not White's turn"), 0);
10996 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10999 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11000 gameMode == AnalyzeFile)
11003 ResurrectChessProgram(); /* in case it isn't running */
11004 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11005 gameMode = MachinePlaysWhite;
11008 gameMode = MachinePlaysWhite;
11012 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11014 if (first.sendName) {
11015 sprintf(buf, "name %s\n", gameInfo.black);
11016 SendToProgram(buf, &first);
11018 if (first.sendTime) {
11019 if (first.useColors) {
11020 SendToProgram("black\n", &first); /*gnu kludge*/
11022 SendTimeRemaining(&first, TRUE);
11024 if (first.useColors) {
11025 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11027 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11028 SetMachineThinkingEnables();
11029 first.maybeThinking = TRUE;
11033 if (appData.autoFlipView && !flipView) {
11034 flipView = !flipView;
11035 DrawPosition(FALSE, NULL);
11036 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11039 if(bookHit) { // [HGM] book: simulate book reply
11040 static char bookMove[MSG_SIZ]; // a bit generous?
11042 programStats.nodes = programStats.depth = programStats.time =
11043 programStats.score = programStats.got_only_move = 0;
11044 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11046 strcpy(bookMove, "move ");
11047 strcat(bookMove, bookHit);
11048 HandleMachineMove(bookMove, &first);
11053 MachineBlackEvent()
11056 char *bookHit = NULL;
11058 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11062 if (gameMode == PlayFromGameFile ||
11063 gameMode == TwoMachinesPlay ||
11064 gameMode == Training ||
11065 gameMode == AnalyzeMode ||
11066 gameMode == EndOfGame)
11069 if (gameMode == EditPosition)
11070 EditPositionDone(TRUE);
11072 if (WhiteOnMove(currentMove)) {
11073 DisplayError(_("It is not Black's turn"), 0);
11077 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11080 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11081 gameMode == AnalyzeFile)
11084 ResurrectChessProgram(); /* in case it isn't running */
11085 gameMode = MachinePlaysBlack;
11089 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11091 if (first.sendName) {
11092 sprintf(buf, "name %s\n", gameInfo.white);
11093 SendToProgram(buf, &first);
11095 if (first.sendTime) {
11096 if (first.useColors) {
11097 SendToProgram("white\n", &first); /*gnu kludge*/
11099 SendTimeRemaining(&first, FALSE);
11101 if (first.useColors) {
11102 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11104 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11105 SetMachineThinkingEnables();
11106 first.maybeThinking = TRUE;
11109 if (appData.autoFlipView && flipView) {
11110 flipView = !flipView;
11111 DrawPosition(FALSE, NULL);
11112 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11114 if(bookHit) { // [HGM] book: simulate book reply
11115 static char bookMove[MSG_SIZ]; // a bit generous?
11117 programStats.nodes = programStats.depth = programStats.time =
11118 programStats.score = programStats.got_only_move = 0;
11119 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11121 strcpy(bookMove, "move ");
11122 strcat(bookMove, bookHit);
11123 HandleMachineMove(bookMove, &first);
11129 DisplayTwoMachinesTitle()
11132 if (appData.matchGames > 0) {
11133 if (first.twoMachinesColor[0] == 'w') {
11134 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11135 gameInfo.white, gameInfo.black,
11136 first.matchWins, second.matchWins,
11137 matchGame - 1 - (first.matchWins + second.matchWins));
11139 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11140 gameInfo.white, gameInfo.black,
11141 second.matchWins, first.matchWins,
11142 matchGame - 1 - (first.matchWins + second.matchWins));
11145 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11151 TwoMachinesEvent P((void))
11155 ChessProgramState *onmove;
11156 char *bookHit = NULL;
11158 if (appData.noChessProgram) return;
11160 switch (gameMode) {
11161 case TwoMachinesPlay:
11163 case MachinePlaysWhite:
11164 case MachinePlaysBlack:
11165 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11166 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11170 case BeginningOfGame:
11171 case PlayFromGameFile:
11174 if (gameMode != EditGame) return;
11177 EditPositionDone(TRUE);
11188 // forwardMostMove = currentMove;
11189 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11190 ResurrectChessProgram(); /* in case first program isn't running */
11192 if (second.pr == NULL) {
11193 StartChessProgram(&second);
11194 if (second.protocolVersion == 1) {
11195 TwoMachinesEventIfReady();
11197 /* kludge: allow timeout for initial "feature" command */
11199 DisplayMessage("", _("Starting second chess program"));
11200 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11204 DisplayMessage("", "");
11205 InitChessProgram(&second, FALSE);
11206 SendToProgram("force\n", &second);
11207 if (startedFromSetupPosition) {
11208 SendBoard(&second, backwardMostMove);
11209 if (appData.debugMode) {
11210 fprintf(debugFP, "Two Machines\n");
11213 for (i = backwardMostMove; i < forwardMostMove; i++) {
11214 SendMoveToProgram(i, &second);
11217 gameMode = TwoMachinesPlay;
11221 DisplayTwoMachinesTitle();
11223 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11229 SendToProgram(first.computerString, &first);
11230 if (first.sendName) {
11231 sprintf(buf, "name %s\n", second.tidy);
11232 SendToProgram(buf, &first);
11234 SendToProgram(second.computerString, &second);
11235 if (second.sendName) {
11236 sprintf(buf, "name %s\n", first.tidy);
11237 SendToProgram(buf, &second);
11241 if (!first.sendTime || !second.sendTime) {
11242 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11243 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11245 if (onmove->sendTime) {
11246 if (onmove->useColors) {
11247 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11249 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11251 if (onmove->useColors) {
11252 SendToProgram(onmove->twoMachinesColor, onmove);
11254 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11255 // SendToProgram("go\n", onmove);
11256 onmove->maybeThinking = TRUE;
11257 SetMachineThinkingEnables();
11261 if(bookHit) { // [HGM] book: simulate book reply
11262 static char bookMove[MSG_SIZ]; // a bit generous?
11264 programStats.nodes = programStats.depth = programStats.time =
11265 programStats.score = programStats.got_only_move = 0;
11266 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11268 strcpy(bookMove, "move ");
11269 strcat(bookMove, bookHit);
11270 savedMessage = bookMove; // args for deferred call
11271 savedState = onmove;
11272 ScheduleDelayedEvent(DeferredBookMove, 1);
11279 if (gameMode == Training) {
11280 SetTrainingModeOff();
11281 gameMode = PlayFromGameFile;
11282 DisplayMessage("", _("Training mode off"));
11284 gameMode = Training;
11285 animateTraining = appData.animate;
11287 /* make sure we are not already at the end of the game */
11288 if (currentMove < forwardMostMove) {
11289 SetTrainingModeOn();
11290 DisplayMessage("", _("Training mode on"));
11292 gameMode = PlayFromGameFile;
11293 DisplayError(_("Already at end of game"), 0);
11302 if (!appData.icsActive) return;
11303 switch (gameMode) {
11304 case IcsPlayingWhite:
11305 case IcsPlayingBlack:
11308 case BeginningOfGame:
11316 EditPositionDone(TRUE);
11329 gameMode = IcsIdle;
11340 switch (gameMode) {
11342 SetTrainingModeOff();
11344 case MachinePlaysWhite:
11345 case MachinePlaysBlack:
11346 case BeginningOfGame:
11347 SendToProgram("force\n", &first);
11348 SetUserThinkingEnables();
11350 case PlayFromGameFile:
11351 (void) StopLoadGameTimer();
11352 if (gameFileFP != NULL) {
11357 EditPositionDone(TRUE);
11362 SendToProgram("force\n", &first);
11364 case TwoMachinesPlay:
11365 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11366 ResurrectChessProgram();
11367 SetUserThinkingEnables();
11370 ResurrectChessProgram();
11372 case IcsPlayingBlack:
11373 case IcsPlayingWhite:
11374 DisplayError(_("Warning: You are still playing a game"), 0);
11377 DisplayError(_("Warning: You are still observing a game"), 0);
11380 DisplayError(_("Warning: You are still examining a game"), 0);
11391 first.offeredDraw = second.offeredDraw = 0;
11393 if (gameMode == PlayFromGameFile) {
11394 whiteTimeRemaining = timeRemaining[0][currentMove];
11395 blackTimeRemaining = timeRemaining[1][currentMove];
11399 if (gameMode == MachinePlaysWhite ||
11400 gameMode == MachinePlaysBlack ||
11401 gameMode == TwoMachinesPlay ||
11402 gameMode == EndOfGame) {
11403 i = forwardMostMove;
11404 while (i > currentMove) {
11405 SendToProgram("undo\n", &first);
11408 whiteTimeRemaining = timeRemaining[0][currentMove];
11409 blackTimeRemaining = timeRemaining[1][currentMove];
11410 DisplayBothClocks();
11411 if (whiteFlag || blackFlag) {
11412 whiteFlag = blackFlag = 0;
11417 gameMode = EditGame;
11424 EditPositionEvent()
11426 if (gameMode == EditPosition) {
11432 if (gameMode != EditGame) return;
11434 gameMode = EditPosition;
11437 if (currentMove > 0)
11438 CopyBoard(boards[0], boards[currentMove]);
11440 blackPlaysFirst = !WhiteOnMove(currentMove);
11442 currentMove = forwardMostMove = backwardMostMove = 0;
11443 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11450 /* [DM] icsEngineAnalyze - possible call from other functions */
11451 if (appData.icsEngineAnalyze) {
11452 appData.icsEngineAnalyze = FALSE;
11454 DisplayMessage("",_("Close ICS engine analyze..."));
11456 if (first.analysisSupport && first.analyzing) {
11457 SendToProgram("exit\n", &first);
11458 first.analyzing = FALSE;
11460 thinkOutput[0] = NULLCHAR;
11464 EditPositionDone(Boolean fakeRights)
11466 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11468 startedFromSetupPosition = TRUE;
11469 InitChessProgram(&first, FALSE);
11470 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11471 boards[0][EP_STATUS] = EP_NONE;
11472 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11473 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11474 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11475 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11476 } else boards[0][CASTLING][2] = NoRights;
11477 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11478 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11479 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11480 } else boards[0][CASTLING][5] = NoRights;
11482 SendToProgram("force\n", &first);
11483 if (blackPlaysFirst) {
11484 strcpy(moveList[0], "");
11485 strcpy(parseList[0], "");
11486 currentMove = forwardMostMove = backwardMostMove = 1;
11487 CopyBoard(boards[1], boards[0]);
11489 currentMove = forwardMostMove = backwardMostMove = 0;
11491 SendBoard(&first, forwardMostMove);
11492 if (appData.debugMode) {
11493 fprintf(debugFP, "EditPosDone\n");
11496 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11497 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11498 gameMode = EditGame;
11500 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11501 ClearHighlights(); /* [AS] */
11504 /* Pause for `ms' milliseconds */
11505 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11515 } while (SubtractTimeMarks(&m2, &m1) < ms);
11518 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11520 SendMultiLineToICS(buf)
11523 char temp[MSG_SIZ+1], *p;
11530 strncpy(temp, buf, len);
11535 if (*p == '\n' || *p == '\r')
11540 strcat(temp, "\n");
11542 SendToPlayer(temp, strlen(temp));
11546 SetWhiteToPlayEvent()
11548 if (gameMode == EditPosition) {
11549 blackPlaysFirst = FALSE;
11550 DisplayBothClocks(); /* works because currentMove is 0 */
11551 } else if (gameMode == IcsExamining) {
11552 SendToICS(ics_prefix);
11553 SendToICS("tomove white\n");
11558 SetBlackToPlayEvent()
11560 if (gameMode == EditPosition) {
11561 blackPlaysFirst = TRUE;
11562 currentMove = 1; /* kludge */
11563 DisplayBothClocks();
11565 } else if (gameMode == IcsExamining) {
11566 SendToICS(ics_prefix);
11567 SendToICS("tomove black\n");
11572 EditPositionMenuEvent(selection, x, y)
11573 ChessSquare selection;
11577 ChessSquare piece = boards[0][y][x];
11579 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11581 switch (selection) {
11583 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11584 SendToICS(ics_prefix);
11585 SendToICS("bsetup clear\n");
11586 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11587 SendToICS(ics_prefix);
11588 SendToICS("clearboard\n");
11590 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11591 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11592 for (y = 0; y < BOARD_HEIGHT; y++) {
11593 if (gameMode == IcsExamining) {
11594 if (boards[currentMove][y][x] != EmptySquare) {
11595 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11600 boards[0][y][x] = p;
11605 if (gameMode == EditPosition) {
11606 DrawPosition(FALSE, boards[0]);
11611 SetWhiteToPlayEvent();
11615 SetBlackToPlayEvent();
11619 if (gameMode == IcsExamining) {
11620 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
11621 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11624 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
11625 if(x == BOARD_LEFT-2) {
11626 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
11627 boards[0][y][1] = 0;
11629 if(x == BOARD_RGHT+1) {
11630 if(y >= gameInfo.holdingsSize) break;
11631 boards[0][y][BOARD_WIDTH-2] = 0;
11634 boards[0][y][x] = EmptySquare;
11635 DrawPosition(FALSE, boards[0]);
11640 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11641 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11642 selection = (ChessSquare) (PROMOTED piece);
11643 } else if(piece == EmptySquare) selection = WhiteSilver;
11644 else selection = (ChessSquare)((int)piece - 1);
11648 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11649 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11650 selection = (ChessSquare) (DEMOTED piece);
11651 } else if(piece == EmptySquare) selection = BlackSilver;
11652 else selection = (ChessSquare)((int)piece + 1);
11657 if(gameInfo.variant == VariantShatranj ||
11658 gameInfo.variant == VariantXiangqi ||
11659 gameInfo.variant == VariantCourier ||
11660 gameInfo.variant == VariantMakruk )
11661 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11666 if(gameInfo.variant == VariantXiangqi)
11667 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11668 if(gameInfo.variant == VariantKnightmate)
11669 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11672 if (gameMode == IcsExamining) {
11673 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
11674 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11675 PieceToChar(selection), AAA + x, ONE + y);
11678 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
11680 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
11681 n = PieceToNumber(selection - BlackPawn);
11682 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
11683 boards[0][BOARD_HEIGHT-1-n][0] = selection;
11684 boards[0][BOARD_HEIGHT-1-n][1]++;
11686 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
11687 n = PieceToNumber(selection);
11688 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
11689 boards[0][n][BOARD_WIDTH-1] = selection;
11690 boards[0][n][BOARD_WIDTH-2]++;
11693 boards[0][y][x] = selection;
11694 DrawPosition(TRUE, boards[0]);
11702 DropMenuEvent(selection, x, y)
11703 ChessSquare selection;
11706 ChessMove moveType;
11708 switch (gameMode) {
11709 case IcsPlayingWhite:
11710 case MachinePlaysBlack:
11711 if (!WhiteOnMove(currentMove)) {
11712 DisplayMoveError(_("It is Black's turn"));
11715 moveType = WhiteDrop;
11717 case IcsPlayingBlack:
11718 case MachinePlaysWhite:
11719 if (WhiteOnMove(currentMove)) {
11720 DisplayMoveError(_("It is White's turn"));
11723 moveType = BlackDrop;
11726 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
11732 if (moveType == BlackDrop && selection < BlackPawn) {
11733 selection = (ChessSquare) ((int) selection
11734 + (int) BlackPawn - (int) WhitePawn);
11736 if (boards[currentMove][y][x] != EmptySquare) {
11737 DisplayMoveError(_("That square is occupied"));
11741 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
11747 /* Accept a pending offer of any kind from opponent */
11749 if (appData.icsActive) {
11750 SendToICS(ics_prefix);
11751 SendToICS("accept\n");
11752 } else if (cmailMsgLoaded) {
11753 if (currentMove == cmailOldMove &&
11754 commentList[cmailOldMove] != NULL &&
11755 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11756 "Black offers a draw" : "White offers a draw")) {
11758 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11759 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11761 DisplayError(_("There is no pending offer on this move"), 0);
11762 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11765 /* Not used for offers from chess program */
11772 /* Decline a pending offer of any kind from opponent */
11774 if (appData.icsActive) {
11775 SendToICS(ics_prefix);
11776 SendToICS("decline\n");
11777 } else if (cmailMsgLoaded) {
11778 if (currentMove == cmailOldMove &&
11779 commentList[cmailOldMove] != NULL &&
11780 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11781 "Black offers a draw" : "White offers a draw")) {
11783 AppendComment(cmailOldMove, "Draw declined", TRUE);
11784 DisplayComment(cmailOldMove - 1, "Draw declined");
11787 DisplayError(_("There is no pending offer on this move"), 0);
11790 /* Not used for offers from chess program */
11797 /* Issue ICS rematch command */
11798 if (appData.icsActive) {
11799 SendToICS(ics_prefix);
11800 SendToICS("rematch\n");
11807 /* Call your opponent's flag (claim a win on time) */
11808 if (appData.icsActive) {
11809 SendToICS(ics_prefix);
11810 SendToICS("flag\n");
11812 switch (gameMode) {
11815 case MachinePlaysWhite:
11818 GameEnds(GameIsDrawn, "Both players ran out of time",
11821 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
11823 DisplayError(_("Your opponent is not out of time"), 0);
11826 case MachinePlaysBlack:
11829 GameEnds(GameIsDrawn, "Both players ran out of time",
11832 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
11834 DisplayError(_("Your opponent is not out of time"), 0);
11844 /* Offer draw or accept pending draw offer from opponent */
11846 if (appData.icsActive) {
11847 /* Note: tournament rules require draw offers to be
11848 made after you make your move but before you punch
11849 your clock. Currently ICS doesn't let you do that;
11850 instead, you immediately punch your clock after making
11851 a move, but you can offer a draw at any time. */
11853 SendToICS(ics_prefix);
11854 SendToICS("draw\n");
11855 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
11856 } else if (cmailMsgLoaded) {
11857 if (currentMove == cmailOldMove &&
11858 commentList[cmailOldMove] != NULL &&
11859 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11860 "Black offers a draw" : "White offers a draw")) {
11861 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11862 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11863 } else if (currentMove == cmailOldMove + 1) {
11864 char *offer = WhiteOnMove(cmailOldMove) ?
11865 "White offers a draw" : "Black offers a draw";
11866 AppendComment(currentMove, offer, TRUE);
11867 DisplayComment(currentMove - 1, offer);
11868 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
11870 DisplayError(_("You must make your move before offering a draw"), 0);
11871 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11873 } else if (first.offeredDraw) {
11874 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
11876 if (first.sendDrawOffers) {
11877 SendToProgram("draw\n", &first);
11878 userOfferedDraw = TRUE;
11886 /* Offer Adjourn or accept pending Adjourn offer from opponent */
11888 if (appData.icsActive) {
11889 SendToICS(ics_prefix);
11890 SendToICS("adjourn\n");
11892 /* Currently GNU Chess doesn't offer or accept Adjourns */
11900 /* Offer Abort or accept pending Abort offer from opponent */
11902 if (appData.icsActive) {
11903 SendToICS(ics_prefix);
11904 SendToICS("abort\n");
11906 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
11913 /* Resign. You can do this even if it's not your turn. */
11915 if (appData.icsActive) {
11916 SendToICS(ics_prefix);
11917 SendToICS("resign\n");
11919 switch (gameMode) {
11920 case MachinePlaysWhite:
11921 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11923 case MachinePlaysBlack:
11924 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11927 if (cmailMsgLoaded) {
11929 if (WhiteOnMove(cmailOldMove)) {
11930 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11932 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11934 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
11945 StopObservingEvent()
11947 /* Stop observing current games */
11948 SendToICS(ics_prefix);
11949 SendToICS("unobserve\n");
11953 StopExaminingEvent()
11955 /* Stop observing current game */
11956 SendToICS(ics_prefix);
11957 SendToICS("unexamine\n");
11961 ForwardInner(target)
11966 if (appData.debugMode)
11967 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
11968 target, currentMove, forwardMostMove);
11970 if (gameMode == EditPosition)
11973 if (gameMode == PlayFromGameFile && !pausing)
11976 if (gameMode == IcsExamining && pausing)
11977 limit = pauseExamForwardMostMove;
11979 limit = forwardMostMove;
11981 if (target > limit) target = limit;
11983 if (target > 0 && moveList[target - 1][0]) {
11984 int fromX, fromY, toX, toY;
11985 toX = moveList[target - 1][2] - AAA;
11986 toY = moveList[target - 1][3] - ONE;
11987 if (moveList[target - 1][1] == '@') {
11988 if (appData.highlightLastMove) {
11989 SetHighlights(-1, -1, toX, toY);
11992 fromX = moveList[target - 1][0] - AAA;
11993 fromY = moveList[target - 1][1] - ONE;
11994 if (target == currentMove + 1) {
11995 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11997 if (appData.highlightLastMove) {
11998 SetHighlights(fromX, fromY, toX, toY);
12002 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12003 gameMode == Training || gameMode == PlayFromGameFile ||
12004 gameMode == AnalyzeFile) {
12005 while (currentMove < target) {
12006 SendMoveToProgram(currentMove++, &first);
12009 currentMove = target;
12012 if (gameMode == EditGame || gameMode == EndOfGame) {
12013 whiteTimeRemaining = timeRemaining[0][currentMove];
12014 blackTimeRemaining = timeRemaining[1][currentMove];
12016 DisplayBothClocks();
12017 DisplayMove(currentMove - 1);
12018 DrawPosition(FALSE, boards[currentMove]);
12019 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12020 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12021 DisplayComment(currentMove - 1, commentList[currentMove]);
12029 if (gameMode == IcsExamining && !pausing) {
12030 SendToICS(ics_prefix);
12031 SendToICS("forward\n");
12033 ForwardInner(currentMove + 1);
12040 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12041 /* to optimze, we temporarily turn off analysis mode while we feed
12042 * the remaining moves to the engine. Otherwise we get analysis output
12045 if (first.analysisSupport) {
12046 SendToProgram("exit\nforce\n", &first);
12047 first.analyzing = FALSE;
12051 if (gameMode == IcsExamining && !pausing) {
12052 SendToICS(ics_prefix);
12053 SendToICS("forward 999999\n");
12055 ForwardInner(forwardMostMove);
12058 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12059 /* we have fed all the moves, so reactivate analysis mode */
12060 SendToProgram("analyze\n", &first);
12061 first.analyzing = TRUE;
12062 /*first.maybeThinking = TRUE;*/
12063 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12068 BackwardInner(target)
12071 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12073 if (appData.debugMode)
12074 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12075 target, currentMove, forwardMostMove);
12077 if (gameMode == EditPosition) return;
12078 if (currentMove <= backwardMostMove) {
12080 DrawPosition(full_redraw, boards[currentMove]);
12083 if (gameMode == PlayFromGameFile && !pausing)
12086 if (moveList[target][0]) {
12087 int fromX, fromY, toX, toY;
12088 toX = moveList[target][2] - AAA;
12089 toY = moveList[target][3] - ONE;
12090 if (moveList[target][1] == '@') {
12091 if (appData.highlightLastMove) {
12092 SetHighlights(-1, -1, toX, toY);
12095 fromX = moveList[target][0] - AAA;
12096 fromY = moveList[target][1] - ONE;
12097 if (target == currentMove - 1) {
12098 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12100 if (appData.highlightLastMove) {
12101 SetHighlights(fromX, fromY, toX, toY);
12105 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12106 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12107 while (currentMove > target) {
12108 SendToProgram("undo\n", &first);
12112 currentMove = target;
12115 if (gameMode == EditGame || gameMode == EndOfGame) {
12116 whiteTimeRemaining = timeRemaining[0][currentMove];
12117 blackTimeRemaining = timeRemaining[1][currentMove];
12119 DisplayBothClocks();
12120 DisplayMove(currentMove - 1);
12121 DrawPosition(full_redraw, boards[currentMove]);
12122 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12123 // [HGM] PV info: routine tests if comment empty
12124 DisplayComment(currentMove - 1, commentList[currentMove]);
12130 if (gameMode == IcsExamining && !pausing) {
12131 SendToICS(ics_prefix);
12132 SendToICS("backward\n");
12134 BackwardInner(currentMove - 1);
12141 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12142 /* to optimize, we temporarily turn off analysis mode while we undo
12143 * all the moves. Otherwise we get analysis output after each undo.
12145 if (first.analysisSupport) {
12146 SendToProgram("exit\nforce\n", &first);
12147 first.analyzing = FALSE;
12151 if (gameMode == IcsExamining && !pausing) {
12152 SendToICS(ics_prefix);
12153 SendToICS("backward 999999\n");
12155 BackwardInner(backwardMostMove);
12158 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12159 /* we have fed all the moves, so reactivate analysis mode */
12160 SendToProgram("analyze\n", &first);
12161 first.analyzing = TRUE;
12162 /*first.maybeThinking = TRUE;*/
12163 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12170 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12171 if (to >= forwardMostMove) to = forwardMostMove;
12172 if (to <= backwardMostMove) to = backwardMostMove;
12173 if (to < currentMove) {
12183 if(PopTail(TRUE)) { // [HGM] vari: restore old game tail
12186 if (gameMode != IcsExamining) {
12187 DisplayError(_("You are not examining a game"), 0);
12191 DisplayError(_("You can't revert while pausing"), 0);
12194 SendToICS(ics_prefix);
12195 SendToICS("revert\n");
12201 switch (gameMode) {
12202 case MachinePlaysWhite:
12203 case MachinePlaysBlack:
12204 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12205 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12208 if (forwardMostMove < 2) return;
12209 currentMove = forwardMostMove = forwardMostMove - 2;
12210 whiteTimeRemaining = timeRemaining[0][currentMove];
12211 blackTimeRemaining = timeRemaining[1][currentMove];
12212 DisplayBothClocks();
12213 DisplayMove(currentMove - 1);
12214 ClearHighlights();/*!! could figure this out*/
12215 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12216 SendToProgram("remove\n", &first);
12217 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12220 case BeginningOfGame:
12224 case IcsPlayingWhite:
12225 case IcsPlayingBlack:
12226 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12227 SendToICS(ics_prefix);
12228 SendToICS("takeback 2\n");
12230 SendToICS(ics_prefix);
12231 SendToICS("takeback 1\n");
12240 ChessProgramState *cps;
12242 switch (gameMode) {
12243 case MachinePlaysWhite:
12244 if (!WhiteOnMove(forwardMostMove)) {
12245 DisplayError(_("It is your turn"), 0);
12250 case MachinePlaysBlack:
12251 if (WhiteOnMove(forwardMostMove)) {
12252 DisplayError(_("It is your turn"), 0);
12257 case TwoMachinesPlay:
12258 if (WhiteOnMove(forwardMostMove) ==
12259 (first.twoMachinesColor[0] == 'w')) {
12265 case BeginningOfGame:
12269 SendToProgram("?\n", cps);
12273 TruncateGameEvent()
12276 if (gameMode != EditGame) return;
12283 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12284 if (forwardMostMove > currentMove) {
12285 if (gameInfo.resultDetails != NULL) {
12286 free(gameInfo.resultDetails);
12287 gameInfo.resultDetails = NULL;
12288 gameInfo.result = GameUnfinished;
12290 forwardMostMove = currentMove;
12291 HistorySet(parseList, backwardMostMove, forwardMostMove,
12299 if (appData.noChessProgram) return;
12300 switch (gameMode) {
12301 case MachinePlaysWhite:
12302 if (WhiteOnMove(forwardMostMove)) {
12303 DisplayError(_("Wait until your turn"), 0);
12307 case BeginningOfGame:
12308 case MachinePlaysBlack:
12309 if (!WhiteOnMove(forwardMostMove)) {
12310 DisplayError(_("Wait until your turn"), 0);
12315 DisplayError(_("No hint available"), 0);
12318 SendToProgram("hint\n", &first);
12319 hintRequested = TRUE;
12325 if (appData.noChessProgram) return;
12326 switch (gameMode) {
12327 case MachinePlaysWhite:
12328 if (WhiteOnMove(forwardMostMove)) {
12329 DisplayError(_("Wait until your turn"), 0);
12333 case BeginningOfGame:
12334 case MachinePlaysBlack:
12335 if (!WhiteOnMove(forwardMostMove)) {
12336 DisplayError(_("Wait until your turn"), 0);
12341 EditPositionDone(TRUE);
12343 case TwoMachinesPlay:
12348 SendToProgram("bk\n", &first);
12349 bookOutput[0] = NULLCHAR;
12350 bookRequested = TRUE;
12356 char *tags = PGNTags(&gameInfo);
12357 TagsPopUp(tags, CmailMsg());
12361 /* end button procedures */
12364 PrintPosition(fp, move)
12370 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12371 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12372 char c = PieceToChar(boards[move][i][j]);
12373 fputc(c == 'x' ? '.' : c, fp);
12374 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12377 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12378 fprintf(fp, "white to play\n");
12380 fprintf(fp, "black to play\n");
12387 if (gameInfo.white != NULL) {
12388 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12394 /* Find last component of program's own name, using some heuristics */
12396 TidyProgramName(prog, host, buf)
12397 char *prog, *host, buf[MSG_SIZ];
12400 int local = (strcmp(host, "localhost") == 0);
12401 while (!local && (p = strchr(prog, ';')) != NULL) {
12403 while (*p == ' ') p++;
12406 if (*prog == '"' || *prog == '\'') {
12407 q = strchr(prog + 1, *prog);
12409 q = strchr(prog, ' ');
12411 if (q == NULL) q = prog + strlen(prog);
12413 while (p >= prog && *p != '/' && *p != '\\') p--;
12415 if(p == prog && *p == '"') p++;
12416 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12417 memcpy(buf, p, q - p);
12418 buf[q - p] = NULLCHAR;
12426 TimeControlTagValue()
12429 if (!appData.clockMode) {
12431 } else if (movesPerSession > 0) {
12432 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12433 } else if (timeIncrement == 0) {
12434 sprintf(buf, "%ld", timeControl/1000);
12436 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12438 return StrSave(buf);
12444 /* This routine is used only for certain modes */
12445 VariantClass v = gameInfo.variant;
12446 ChessMove r = GameUnfinished;
12449 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12450 r = gameInfo.result;
12451 p = gameInfo.resultDetails;
12452 gameInfo.resultDetails = NULL;
12454 ClearGameInfo(&gameInfo);
12455 gameInfo.variant = v;
12457 switch (gameMode) {
12458 case MachinePlaysWhite:
12459 gameInfo.event = StrSave( appData.pgnEventHeader );
12460 gameInfo.site = StrSave(HostName());
12461 gameInfo.date = PGNDate();
12462 gameInfo.round = StrSave("-");
12463 gameInfo.white = StrSave(first.tidy);
12464 gameInfo.black = StrSave(UserName());
12465 gameInfo.timeControl = TimeControlTagValue();
12468 case MachinePlaysBlack:
12469 gameInfo.event = StrSave( appData.pgnEventHeader );
12470 gameInfo.site = StrSave(HostName());
12471 gameInfo.date = PGNDate();
12472 gameInfo.round = StrSave("-");
12473 gameInfo.white = StrSave(UserName());
12474 gameInfo.black = StrSave(first.tidy);
12475 gameInfo.timeControl = TimeControlTagValue();
12478 case TwoMachinesPlay:
12479 gameInfo.event = StrSave( appData.pgnEventHeader );
12480 gameInfo.site = StrSave(HostName());
12481 gameInfo.date = PGNDate();
12482 if (matchGame > 0) {
12484 sprintf(buf, "%d", matchGame);
12485 gameInfo.round = StrSave(buf);
12487 gameInfo.round = StrSave("-");
12489 if (first.twoMachinesColor[0] == 'w') {
12490 gameInfo.white = StrSave(first.tidy);
12491 gameInfo.black = StrSave(second.tidy);
12493 gameInfo.white = StrSave(second.tidy);
12494 gameInfo.black = StrSave(first.tidy);
12496 gameInfo.timeControl = TimeControlTagValue();
12500 gameInfo.event = StrSave("Edited game");
12501 gameInfo.site = StrSave(HostName());
12502 gameInfo.date = PGNDate();
12503 gameInfo.round = StrSave("-");
12504 gameInfo.white = StrSave("-");
12505 gameInfo.black = StrSave("-");
12506 gameInfo.result = r;
12507 gameInfo.resultDetails = p;
12511 gameInfo.event = StrSave("Edited position");
12512 gameInfo.site = StrSave(HostName());
12513 gameInfo.date = PGNDate();
12514 gameInfo.round = StrSave("-");
12515 gameInfo.white = StrSave("-");
12516 gameInfo.black = StrSave("-");
12519 case IcsPlayingWhite:
12520 case IcsPlayingBlack:
12525 case PlayFromGameFile:
12526 gameInfo.event = StrSave("Game from non-PGN file");
12527 gameInfo.site = StrSave(HostName());
12528 gameInfo.date = PGNDate();
12529 gameInfo.round = StrSave("-");
12530 gameInfo.white = StrSave("?");
12531 gameInfo.black = StrSave("?");
12540 ReplaceComment(index, text)
12546 while (*text == '\n') text++;
12547 len = strlen(text);
12548 while (len > 0 && text[len - 1] == '\n') len--;
12550 if (commentList[index] != NULL)
12551 free(commentList[index]);
12554 commentList[index] = NULL;
12557 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
12558 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
12559 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
12560 commentList[index] = (char *) malloc(len + 2);
12561 strncpy(commentList[index], text, len);
12562 commentList[index][len] = '\n';
12563 commentList[index][len + 1] = NULLCHAR;
12565 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
12567 commentList[index] = (char *) malloc(len + 6);
12568 strcpy(commentList[index], "{\n");
12569 strncpy(commentList[index]+2, text, len);
12570 commentList[index][len+2] = NULLCHAR;
12571 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
12572 strcat(commentList[index], "\n}\n");
12586 if (ch == '\r') continue;
12588 } while (ch != '\0');
12592 AppendComment(index, text, addBraces)
12595 Boolean addBraces; // [HGM] braces: tells if we should add {}
12600 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
12601 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12604 while (*text == '\n') text++;
12605 len = strlen(text);
12606 while (len > 0 && text[len - 1] == '\n') len--;
12608 if (len == 0) return;
12610 if (commentList[index] != NULL) {
12611 old = commentList[index];
12612 oldlen = strlen(old);
12613 while(commentList[index][oldlen-1] == '\n')
12614 commentList[index][--oldlen] = NULLCHAR;
12615 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
12616 strcpy(commentList[index], old);
12618 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
12619 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
12620 if(addBraces) addBraces = FALSE; else { text++; len--; }
12621 while (*text == '\n') { text++; len--; }
12622 commentList[index][--oldlen] = NULLCHAR;
12624 if(addBraces) strcat(commentList[index], "\n{\n");
12625 else strcat(commentList[index], "\n");
12626 strcat(commentList[index], text);
12627 if(addBraces) strcat(commentList[index], "\n}\n");
12628 else strcat(commentList[index], "\n");
12630 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
12632 strcpy(commentList[index], "{\n");
12633 else commentList[index][0] = NULLCHAR;
12634 strcat(commentList[index], text);
12635 strcat(commentList[index], "\n");
12636 if(addBraces) strcat(commentList[index], "}\n");
12640 static char * FindStr( char * text, char * sub_text )
12642 char * result = strstr( text, sub_text );
12644 if( result != NULL ) {
12645 result += strlen( sub_text );
12651 /* [AS] Try to extract PV info from PGN comment */
12652 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12653 char *GetInfoFromComment( int index, char * text )
12657 if( text != NULL && index > 0 ) {
12660 int time = -1, sec = 0, deci;
12661 char * s_eval = FindStr( text, "[%eval " );
12662 char * s_emt = FindStr( text, "[%emt " );
12664 if( s_eval != NULL || s_emt != NULL ) {
12668 if( s_eval != NULL ) {
12669 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12673 if( delim != ']' ) {
12678 if( s_emt != NULL ) {
12683 /* We expect something like: [+|-]nnn.nn/dd */
12686 if(*text != '{') return text; // [HGM] braces: must be normal comment
12688 sep = strchr( text, '/' );
12689 if( sep == NULL || sep < (text+4) ) {
12693 time = -1; sec = -1; deci = -1;
12694 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12695 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12696 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12697 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12701 if( score_lo < 0 || score_lo >= 100 ) {
12705 if(sec >= 0) time = 600*time + 10*sec; else
12706 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12708 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12710 /* [HGM] PV time: now locate end of PV info */
12711 while( *++sep >= '0' && *sep <= '9'); // strip depth
12713 while( *++sep >= '0' && *sep <= '9'); // strip time
12715 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12717 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12718 while(*sep == ' ') sep++;
12729 pvInfoList[index-1].depth = depth;
12730 pvInfoList[index-1].score = score;
12731 pvInfoList[index-1].time = 10*time; // centi-sec
12732 if(*sep == '}') *sep = 0; else *--sep = '{';
12738 SendToProgram(message, cps)
12740 ChessProgramState *cps;
12742 int count, outCount, error;
12745 if (cps->pr == NULL) return;
12748 if (appData.debugMode) {
12751 fprintf(debugFP, "%ld >%-6s: %s",
12752 SubtractTimeMarks(&now, &programStartTime),
12753 cps->which, message);
12756 count = strlen(message);
12757 outCount = OutputToProcess(cps->pr, message, count, &error);
12758 if (outCount < count && !exiting
12759 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
12760 sprintf(buf, _("Error writing to %s chess program"), cps->which);
12761 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12762 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
12763 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12764 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
12766 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12768 gameInfo.resultDetails = StrSave(buf);
12770 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
12775 ReceiveFromProgram(isr, closure, message, count, error)
12776 InputSourceRef isr;
12784 ChessProgramState *cps = (ChessProgramState *)closure;
12786 if (isr != cps->isr) return; /* Killed intentionally */
12790 _("Error: %s chess program (%s) exited unexpectedly"),
12791 cps->which, cps->program);
12792 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12793 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
12794 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12795 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
12797 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12799 gameInfo.resultDetails = StrSave(buf);
12801 RemoveInputSource(cps->isr);
12802 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
12805 _("Error reading from %s chess program (%s)"),
12806 cps->which, cps->program);
12807 RemoveInputSource(cps->isr);
12809 /* [AS] Program is misbehaving badly... kill it */
12810 if( count == -2 ) {
12811 DestroyChildProcess( cps->pr, 9 );
12815 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
12820 if ((end_str = strchr(message, '\r')) != NULL)
12821 *end_str = NULLCHAR;
12822 if ((end_str = strchr(message, '\n')) != NULL)
12823 *end_str = NULLCHAR;
12825 if (appData.debugMode) {
12826 TimeMark now; int print = 1;
12827 char *quote = ""; char c; int i;
12829 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
12830 char start = message[0];
12831 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
12832 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
12833 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
12834 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
12835 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
12836 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
12837 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
12838 sscanf(message, "pong %c", &c)!=1 && start != '#')
12839 { quote = "# "; print = (appData.engineComments == 2); }
12840 message[0] = start; // restore original message
12844 fprintf(debugFP, "%ld <%-6s: %s%s\n",
12845 SubtractTimeMarks(&now, &programStartTime), cps->which,
12851 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
12852 if (appData.icsEngineAnalyze) {
12853 if (strstr(message, "whisper") != NULL ||
12854 strstr(message, "kibitz") != NULL ||
12855 strstr(message, "tellics") != NULL) return;
12858 HandleMachineMove(message, cps);
12863 SendTimeControl(cps, mps, tc, inc, sd, st)
12864 ChessProgramState *cps;
12865 int mps, inc, sd, st;
12871 if( timeControl_2 > 0 ) {
12872 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
12873 tc = timeControl_2;
12876 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
12877 inc /= cps->timeOdds;
12878 st /= cps->timeOdds;
12880 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
12883 /* Set exact time per move, normally using st command */
12884 if (cps->stKludge) {
12885 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
12887 if (seconds == 0) {
12888 sprintf(buf, "level 1 %d\n", st/60);
12890 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
12893 sprintf(buf, "st %d\n", st);
12896 /* Set conventional or incremental time control, using level command */
12897 if (seconds == 0) {
12898 /* Note old gnuchess bug -- minutes:seconds used to not work.
12899 Fixed in later versions, but still avoid :seconds
12900 when seconds is 0. */
12901 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
12903 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
12904 seconds, inc/1000);
12907 SendToProgram(buf, cps);
12909 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
12910 /* Orthogonally, limit search to given depth */
12912 if (cps->sdKludge) {
12913 sprintf(buf, "depth\n%d\n", sd);
12915 sprintf(buf, "sd %d\n", sd);
12917 SendToProgram(buf, cps);
12920 if(cps->nps > 0) { /* [HGM] nps */
12921 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
12923 sprintf(buf, "nps %d\n", cps->nps);
12924 SendToProgram(buf, cps);
12929 ChessProgramState *WhitePlayer()
12930 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
12932 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
12933 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
12939 SendTimeRemaining(cps, machineWhite)
12940 ChessProgramState *cps;
12941 int /*boolean*/ machineWhite;
12943 char message[MSG_SIZ];
12946 /* Note: this routine must be called when the clocks are stopped
12947 or when they have *just* been set or switched; otherwise
12948 it will be off by the time since the current tick started.
12950 if (machineWhite) {
12951 time = whiteTimeRemaining / 10;
12952 otime = blackTimeRemaining / 10;
12954 time = blackTimeRemaining / 10;
12955 otime = whiteTimeRemaining / 10;
12957 /* [HGM] translate opponent's time by time-odds factor */
12958 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
12959 if (appData.debugMode) {
12960 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
12963 if (time <= 0) time = 1;
12964 if (otime <= 0) otime = 1;
12966 sprintf(message, "time %ld\n", time);
12967 SendToProgram(message, cps);
12969 sprintf(message, "otim %ld\n", otime);
12970 SendToProgram(message, cps);
12974 BoolFeature(p, name, loc, cps)
12978 ChessProgramState *cps;
12981 int len = strlen(name);
12983 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12985 sscanf(*p, "%d", &val);
12987 while (**p && **p != ' ') (*p)++;
12988 sprintf(buf, "accepted %s\n", name);
12989 SendToProgram(buf, cps);
12996 IntFeature(p, name, loc, cps)
13000 ChessProgramState *cps;
13003 int len = strlen(name);
13004 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13006 sscanf(*p, "%d", loc);
13007 while (**p && **p != ' ') (*p)++;
13008 sprintf(buf, "accepted %s\n", name);
13009 SendToProgram(buf, cps);
13016 StringFeature(p, name, loc, cps)
13020 ChessProgramState *cps;
13023 int len = strlen(name);
13024 if (strncmp((*p), name, len) == 0
13025 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13027 sscanf(*p, "%[^\"]", loc);
13028 while (**p && **p != '\"') (*p)++;
13029 if (**p == '\"') (*p)++;
13030 sprintf(buf, "accepted %s\n", name);
13031 SendToProgram(buf, cps);
13038 ParseOption(Option *opt, ChessProgramState *cps)
13039 // [HGM] options: process the string that defines an engine option, and determine
13040 // name, type, default value, and allowed value range
13042 char *p, *q, buf[MSG_SIZ];
13043 int n, min = (-1)<<31, max = 1<<31, def;
13045 if(p = strstr(opt->name, " -spin ")) {
13046 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13047 if(max < min) max = min; // enforce consistency
13048 if(def < min) def = min;
13049 if(def > max) def = max;
13054 } else if((p = strstr(opt->name, " -slider "))) {
13055 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13056 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13057 if(max < min) max = min; // enforce consistency
13058 if(def < min) def = min;
13059 if(def > max) def = max;
13063 opt->type = Spin; // Slider;
13064 } else if((p = strstr(opt->name, " -string "))) {
13065 opt->textValue = p+9;
13066 opt->type = TextBox;
13067 } else if((p = strstr(opt->name, " -file "))) {
13068 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13069 opt->textValue = p+7;
13070 opt->type = TextBox; // FileName;
13071 } else if((p = strstr(opt->name, " -path "))) {
13072 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13073 opt->textValue = p+7;
13074 opt->type = TextBox; // PathName;
13075 } else if(p = strstr(opt->name, " -check ")) {
13076 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13077 opt->value = (def != 0);
13078 opt->type = CheckBox;
13079 } else if(p = strstr(opt->name, " -combo ")) {
13080 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13081 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13082 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13083 opt->value = n = 0;
13084 while(q = StrStr(q, " /// ")) {
13085 n++; *q = 0; // count choices, and null-terminate each of them
13087 if(*q == '*') { // remember default, which is marked with * prefix
13091 cps->comboList[cps->comboCnt++] = q;
13093 cps->comboList[cps->comboCnt++] = NULL;
13095 opt->type = ComboBox;
13096 } else if(p = strstr(opt->name, " -button")) {
13097 opt->type = Button;
13098 } else if(p = strstr(opt->name, " -save")) {
13099 opt->type = SaveButton;
13100 } else return FALSE;
13101 *p = 0; // terminate option name
13102 // now look if the command-line options define a setting for this engine option.
13103 if(cps->optionSettings && cps->optionSettings[0])
13104 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13105 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13106 sprintf(buf, "option %s", p);
13107 if(p = strstr(buf, ",")) *p = 0;
13109 SendToProgram(buf, cps);
13115 FeatureDone(cps, val)
13116 ChessProgramState* cps;
13119 DelayedEventCallback cb = GetDelayedEvent();
13120 if ((cb == InitBackEnd3 && cps == &first) ||
13121 (cb == TwoMachinesEventIfReady && cps == &second)) {
13122 CancelDelayedEvent();
13123 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13125 cps->initDone = val;
13128 /* Parse feature command from engine */
13130 ParseFeatures(args, cps)
13132 ChessProgramState *cps;
13140 while (*p == ' ') p++;
13141 if (*p == NULLCHAR) return;
13143 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13144 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13145 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13146 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13147 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13148 if (BoolFeature(&p, "reuse", &val, cps)) {
13149 /* Engine can disable reuse, but can't enable it if user said no */
13150 if (!val) cps->reuse = FALSE;
13153 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13154 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13155 if (gameMode == TwoMachinesPlay) {
13156 DisplayTwoMachinesTitle();
13162 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13163 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13164 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13165 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13166 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13167 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13168 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13169 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13170 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13171 if (IntFeature(&p, "done", &val, cps)) {
13172 FeatureDone(cps, val);
13175 /* Added by Tord: */
13176 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13177 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13178 /* End of additions by Tord */
13180 /* [HGM] added features: */
13181 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13182 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13183 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13184 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13185 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13186 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13187 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13188 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13189 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13190 SendToProgram(buf, cps);
13193 if(cps->nrOptions >= MAX_OPTIONS) {
13195 sprintf(buf, "%s engine has too many options\n", cps->which);
13196 DisplayError(buf, 0);
13200 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13201 /* End of additions by HGM */
13203 /* unknown feature: complain and skip */
13205 while (*q && *q != '=') q++;
13206 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13207 SendToProgram(buf, cps);
13213 while (*p && *p != '\"') p++;
13214 if (*p == '\"') p++;
13216 while (*p && *p != ' ') p++;
13224 PeriodicUpdatesEvent(newState)
13227 if (newState == appData.periodicUpdates)
13230 appData.periodicUpdates=newState;
13232 /* Display type changes, so update it now */
13233 // DisplayAnalysis();
13235 /* Get the ball rolling again... */
13237 AnalysisPeriodicEvent(1);
13238 StartAnalysisClock();
13243 PonderNextMoveEvent(newState)
13246 if (newState == appData.ponderNextMove) return;
13247 if (gameMode == EditPosition) EditPositionDone(TRUE);
13249 SendToProgram("hard\n", &first);
13250 if (gameMode == TwoMachinesPlay) {
13251 SendToProgram("hard\n", &second);
13254 SendToProgram("easy\n", &first);
13255 thinkOutput[0] = NULLCHAR;
13256 if (gameMode == TwoMachinesPlay) {
13257 SendToProgram("easy\n", &second);
13260 appData.ponderNextMove = newState;
13264 NewSettingEvent(option, command, value)
13270 if (gameMode == EditPosition) EditPositionDone(TRUE);
13271 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13272 SendToProgram(buf, &first);
13273 if (gameMode == TwoMachinesPlay) {
13274 SendToProgram(buf, &second);
13279 ShowThinkingEvent()
13280 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13282 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13283 int newState = appData.showThinking
13284 // [HGM] thinking: other features now need thinking output as well
13285 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13287 if (oldState == newState) return;
13288 oldState = newState;
13289 if (gameMode == EditPosition) EditPositionDone(TRUE);
13291 SendToProgram("post\n", &first);
13292 if (gameMode == TwoMachinesPlay) {
13293 SendToProgram("post\n", &second);
13296 SendToProgram("nopost\n", &first);
13297 thinkOutput[0] = NULLCHAR;
13298 if (gameMode == TwoMachinesPlay) {
13299 SendToProgram("nopost\n", &second);
13302 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13306 AskQuestionEvent(title, question, replyPrefix, which)
13307 char *title; char *question; char *replyPrefix; char *which;
13309 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13310 if (pr == NoProc) return;
13311 AskQuestion(title, question, replyPrefix, pr);
13315 DisplayMove(moveNumber)
13318 char message[MSG_SIZ];
13320 char cpThinkOutput[MSG_SIZ];
13322 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13324 if (moveNumber == forwardMostMove - 1 ||
13325 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13327 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13329 if (strchr(cpThinkOutput, '\n')) {
13330 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13333 *cpThinkOutput = NULLCHAR;
13336 /* [AS] Hide thinking from human user */
13337 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13338 *cpThinkOutput = NULLCHAR;
13339 if( thinkOutput[0] != NULLCHAR ) {
13342 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13343 cpThinkOutput[i] = '.';
13345 cpThinkOutput[i] = NULLCHAR;
13346 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13350 if (moveNumber == forwardMostMove - 1 &&
13351 gameInfo.resultDetails != NULL) {
13352 if (gameInfo.resultDetails[0] == NULLCHAR) {
13353 sprintf(res, " %s", PGNResult(gameInfo.result));
13355 sprintf(res, " {%s} %s",
13356 gameInfo.resultDetails, PGNResult(gameInfo.result));
13362 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13363 DisplayMessage(res, cpThinkOutput);
13365 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13366 WhiteOnMove(moveNumber) ? " " : ".. ",
13367 parseList[moveNumber], res);
13368 DisplayMessage(message, cpThinkOutput);
13373 DisplayComment(moveNumber, text)
13377 char title[MSG_SIZ];
13378 char buf[8000]; // comment can be long!
13381 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13382 strcpy(title, "Comment");
13384 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13385 WhiteOnMove(moveNumber) ? " " : ".. ",
13386 parseList[moveNumber]);
13388 // [HGM] PV info: display PV info together with (or as) comment
13389 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13390 if(text == NULL) text = "";
13391 score = pvInfoList[moveNumber].score;
13392 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13393 depth, (pvInfoList[moveNumber].time+50)/100, text);
13396 if (text != NULL && (appData.autoDisplayComment || commentUp))
13397 CommentPopUp(title, text);
13400 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13401 * might be busy thinking or pondering. It can be omitted if your
13402 * gnuchess is configured to stop thinking immediately on any user
13403 * input. However, that gnuchess feature depends on the FIONREAD
13404 * ioctl, which does not work properly on some flavors of Unix.
13408 ChessProgramState *cps;
13411 if (!cps->useSigint) return;
13412 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13413 switch (gameMode) {
13414 case MachinePlaysWhite:
13415 case MachinePlaysBlack:
13416 case TwoMachinesPlay:
13417 case IcsPlayingWhite:
13418 case IcsPlayingBlack:
13421 /* Skip if we know it isn't thinking */
13422 if (!cps->maybeThinking) return;
13423 if (appData.debugMode)
13424 fprintf(debugFP, "Interrupting %s\n", cps->which);
13425 InterruptChildProcess(cps->pr);
13426 cps->maybeThinking = FALSE;
13431 #endif /*ATTENTION*/
13437 if (whiteTimeRemaining <= 0) {
13440 if (appData.icsActive) {
13441 if (appData.autoCallFlag &&
13442 gameMode == IcsPlayingBlack && !blackFlag) {
13443 SendToICS(ics_prefix);
13444 SendToICS("flag\n");
13448 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13450 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13451 if (appData.autoCallFlag) {
13452 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13459 if (blackTimeRemaining <= 0) {
13462 if (appData.icsActive) {
13463 if (appData.autoCallFlag &&
13464 gameMode == IcsPlayingWhite && !whiteFlag) {
13465 SendToICS(ics_prefix);
13466 SendToICS("flag\n");
13470 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13472 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13473 if (appData.autoCallFlag) {
13474 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13487 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13488 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13491 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13493 if ( !WhiteOnMove(forwardMostMove) )
13494 /* White made time control */
13495 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13496 /* [HGM] time odds: correct new time quota for time odds! */
13497 / WhitePlayer()->timeOdds;
13499 /* Black made time control */
13500 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13501 / WhitePlayer()->other->timeOdds;
13505 DisplayBothClocks()
13507 int wom = gameMode == EditPosition ?
13508 !blackPlaysFirst : WhiteOnMove(currentMove);
13509 DisplayWhiteClock(whiteTimeRemaining, wom);
13510 DisplayBlackClock(blackTimeRemaining, !wom);
13514 /* Timekeeping seems to be a portability nightmare. I think everyone
13515 has ftime(), but I'm really not sure, so I'm including some ifdefs
13516 to use other calls if you don't. Clocks will be less accurate if
13517 you have neither ftime nor gettimeofday.
13520 /* VS 2008 requires the #include outside of the function */
13521 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13522 #include <sys/timeb.h>
13525 /* Get the current time as a TimeMark */
13530 #if HAVE_GETTIMEOFDAY
13532 struct timeval timeVal;
13533 struct timezone timeZone;
13535 gettimeofday(&timeVal, &timeZone);
13536 tm->sec = (long) timeVal.tv_sec;
13537 tm->ms = (int) (timeVal.tv_usec / 1000L);
13539 #else /*!HAVE_GETTIMEOFDAY*/
13542 // include <sys/timeb.h> / moved to just above start of function
13543 struct timeb timeB;
13546 tm->sec = (long) timeB.time;
13547 tm->ms = (int) timeB.millitm;
13549 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13550 tm->sec = (long) time(NULL);
13556 /* Return the difference in milliseconds between two
13557 time marks. We assume the difference will fit in a long!
13560 SubtractTimeMarks(tm2, tm1)
13561 TimeMark *tm2, *tm1;
13563 return 1000L*(tm2->sec - tm1->sec) +
13564 (long) (tm2->ms - tm1->ms);
13569 * Code to manage the game clocks.
13571 * In tournament play, black starts the clock and then white makes a move.
13572 * We give the human user a slight advantage if he is playing white---the
13573 * clocks don't run until he makes his first move, so it takes zero time.
13574 * Also, we don't account for network lag, so we could get out of sync
13575 * with GNU Chess's clock -- but then, referees are always right.
13578 static TimeMark tickStartTM;
13579 static long intendedTickLength;
13582 NextTickLength(timeRemaining)
13583 long timeRemaining;
13585 long nominalTickLength, nextTickLength;
13587 if (timeRemaining > 0L && timeRemaining <= 10000L)
13588 nominalTickLength = 100L;
13590 nominalTickLength = 1000L;
13591 nextTickLength = timeRemaining % nominalTickLength;
13592 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13594 return nextTickLength;
13597 /* Adjust clock one minute up or down */
13599 AdjustClock(Boolean which, int dir)
13601 if(which) blackTimeRemaining += 60000*dir;
13602 else whiteTimeRemaining += 60000*dir;
13603 DisplayBothClocks();
13606 /* Stop clocks and reset to a fresh time control */
13610 (void) StopClockTimer();
13611 if (appData.icsActive) {
13612 whiteTimeRemaining = blackTimeRemaining = 0;
13613 } else if (searchTime) {
13614 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
13615 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
13616 } else { /* [HGM] correct new time quote for time odds */
13617 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13618 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13620 if (whiteFlag || blackFlag) {
13622 whiteFlag = blackFlag = FALSE;
13624 DisplayBothClocks();
13627 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13629 /* Decrement running clock by amount of time that has passed */
13633 long timeRemaining;
13634 long lastTickLength, fudge;
13637 if (!appData.clockMode) return;
13638 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13642 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13644 /* Fudge if we woke up a little too soon */
13645 fudge = intendedTickLength - lastTickLength;
13646 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13648 if (WhiteOnMove(forwardMostMove)) {
13649 if(whiteNPS >= 0) lastTickLength = 0;
13650 timeRemaining = whiteTimeRemaining -= lastTickLength;
13651 DisplayWhiteClock(whiteTimeRemaining - fudge,
13652 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
13654 if(blackNPS >= 0) lastTickLength = 0;
13655 timeRemaining = blackTimeRemaining -= lastTickLength;
13656 DisplayBlackClock(blackTimeRemaining - fudge,
13657 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
13660 if (CheckFlags()) return;
13663 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13664 StartClockTimer(intendedTickLength);
13666 /* if the time remaining has fallen below the alarm threshold, sound the
13667 * alarm. if the alarm has sounded and (due to a takeback or time control
13668 * with increment) the time remaining has increased to a level above the
13669 * threshold, reset the alarm so it can sound again.
13672 if (appData.icsActive && appData.icsAlarm) {
13674 /* make sure we are dealing with the user's clock */
13675 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13676 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13679 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13680 alarmSounded = FALSE;
13681 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13683 alarmSounded = TRUE;
13689 /* A player has just moved, so stop the previously running
13690 clock and (if in clock mode) start the other one.
13691 We redisplay both clocks in case we're in ICS mode, because
13692 ICS gives us an update to both clocks after every move.
13693 Note that this routine is called *after* forwardMostMove
13694 is updated, so the last fractional tick must be subtracted
13695 from the color that is *not* on move now.
13700 long lastTickLength;
13702 int flagged = FALSE;
13706 if (StopClockTimer() && appData.clockMode) {
13707 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13708 if (WhiteOnMove(forwardMostMove)) {
13709 if(blackNPS >= 0) lastTickLength = 0;
13710 blackTimeRemaining -= lastTickLength;
13711 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13712 // if(pvInfoList[forwardMostMove-1].time == -1)
13713 pvInfoList[forwardMostMove-1].time = // use GUI time
13714 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13716 if(whiteNPS >= 0) lastTickLength = 0;
13717 whiteTimeRemaining -= lastTickLength;
13718 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13719 // if(pvInfoList[forwardMostMove-1].time == -1)
13720 pvInfoList[forwardMostMove-1].time =
13721 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13723 flagged = CheckFlags();
13725 CheckTimeControl();
13727 if (flagged || !appData.clockMode) return;
13729 switch (gameMode) {
13730 case MachinePlaysBlack:
13731 case MachinePlaysWhite:
13732 case BeginningOfGame:
13733 if (pausing) return;
13737 case PlayFromGameFile:
13745 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
13746 if(WhiteOnMove(forwardMostMove))
13747 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
13748 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
13752 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13753 whiteTimeRemaining : blackTimeRemaining);
13754 StartClockTimer(intendedTickLength);
13758 /* Stop both clocks */
13762 long lastTickLength;
13765 if (!StopClockTimer()) return;
13766 if (!appData.clockMode) return;
13770 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13771 if (WhiteOnMove(forwardMostMove)) {
13772 if(whiteNPS >= 0) lastTickLength = 0;
13773 whiteTimeRemaining -= lastTickLength;
13774 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
13776 if(blackNPS >= 0) lastTickLength = 0;
13777 blackTimeRemaining -= lastTickLength;
13778 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
13783 /* Start clock of player on move. Time may have been reset, so
13784 if clock is already running, stop and restart it. */
13788 (void) StopClockTimer(); /* in case it was running already */
13789 DisplayBothClocks();
13790 if (CheckFlags()) return;
13792 if (!appData.clockMode) return;
13793 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
13795 GetTimeMark(&tickStartTM);
13796 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13797 whiteTimeRemaining : blackTimeRemaining);
13799 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
13800 whiteNPS = blackNPS = -1;
13801 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
13802 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
13803 whiteNPS = first.nps;
13804 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
13805 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
13806 blackNPS = first.nps;
13807 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
13808 whiteNPS = second.nps;
13809 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
13810 blackNPS = second.nps;
13811 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
13813 StartClockTimer(intendedTickLength);
13820 long second, minute, hour, day;
13822 static char buf[32];
13824 if (ms > 0 && ms <= 9900) {
13825 /* convert milliseconds to tenths, rounding up */
13826 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
13828 sprintf(buf, " %03.1f ", tenths/10.0);
13832 /* convert milliseconds to seconds, rounding up */
13833 /* use floating point to avoid strangeness of integer division
13834 with negative dividends on many machines */
13835 second = (long) floor(((double) (ms + 999L)) / 1000.0);
13842 day = second / (60 * 60 * 24);
13843 second = second % (60 * 60 * 24);
13844 hour = second / (60 * 60);
13845 second = second % (60 * 60);
13846 minute = second / 60;
13847 second = second % 60;
13850 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
13851 sign, day, hour, minute, second);
13853 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
13855 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
13862 * This is necessary because some C libraries aren't ANSI C compliant yet.
13865 StrStr(string, match)
13866 char *string, *match;
13870 length = strlen(match);
13872 for (i = strlen(string) - length; i >= 0; i--, string++)
13873 if (!strncmp(match, string, length))
13880 StrCaseStr(string, match)
13881 char *string, *match;
13885 length = strlen(match);
13887 for (i = strlen(string) - length; i >= 0; i--, string++) {
13888 for (j = 0; j < length; j++) {
13889 if (ToLower(match[j]) != ToLower(string[j]))
13892 if (j == length) return string;
13906 c1 = ToLower(*s1++);
13907 c2 = ToLower(*s2++);
13908 if (c1 > c2) return 1;
13909 if (c1 < c2) return -1;
13910 if (c1 == NULLCHAR) return 0;
13919 return isupper(c) ? tolower(c) : c;
13927 return islower(c) ? toupper(c) : c;
13929 #endif /* !_amigados */
13937 if ((ret = (char *) malloc(strlen(s) + 1))) {
13944 StrSavePtr(s, savePtr)
13945 char *s, **savePtr;
13950 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
13951 strcpy(*savePtr, s);
13963 clock = time((time_t *)NULL);
13964 tm = localtime(&clock);
13965 sprintf(buf, "%04d.%02d.%02d",
13966 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
13967 return StrSave(buf);
13972 PositionToFEN(move, overrideCastling)
13974 char *overrideCastling;
13976 int i, j, fromX, fromY, toX, toY;
13983 whiteToPlay = (gameMode == EditPosition) ?
13984 !blackPlaysFirst : (move % 2 == 0);
13987 /* Piece placement data */
13988 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13990 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13991 if (boards[move][i][j] == EmptySquare) {
13993 } else { ChessSquare piece = boards[move][i][j];
13994 if (emptycount > 0) {
13995 if(emptycount<10) /* [HGM] can be >= 10 */
13996 *p++ = '0' + emptycount;
13997 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14000 if(PieceToChar(piece) == '+') {
14001 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14003 piece = (ChessSquare)(DEMOTED piece);
14005 *p++ = PieceToChar(piece);
14007 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14008 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14013 if (emptycount > 0) {
14014 if(emptycount<10) /* [HGM] can be >= 10 */
14015 *p++ = '0' + emptycount;
14016 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14023 /* [HGM] print Crazyhouse or Shogi holdings */
14024 if( gameInfo.holdingsWidth ) {
14025 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14027 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14028 piece = boards[move][i][BOARD_WIDTH-1];
14029 if( piece != EmptySquare )
14030 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14031 *p++ = PieceToChar(piece);
14033 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14034 piece = boards[move][BOARD_HEIGHT-i-1][0];
14035 if( piece != EmptySquare )
14036 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14037 *p++ = PieceToChar(piece);
14040 if( q == p ) *p++ = '-';
14046 *p++ = whiteToPlay ? 'w' : 'b';
14049 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14050 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14052 if(nrCastlingRights) {
14054 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14055 /* [HGM] write directly from rights */
14056 if(boards[move][CASTLING][2] != NoRights &&
14057 boards[move][CASTLING][0] != NoRights )
14058 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14059 if(boards[move][CASTLING][2] != NoRights &&
14060 boards[move][CASTLING][1] != NoRights )
14061 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14062 if(boards[move][CASTLING][5] != NoRights &&
14063 boards[move][CASTLING][3] != NoRights )
14064 *p++ = boards[move][CASTLING][3] + AAA;
14065 if(boards[move][CASTLING][5] != NoRights &&
14066 boards[move][CASTLING][4] != NoRights )
14067 *p++ = boards[move][CASTLING][4] + AAA;
14070 /* [HGM] write true castling rights */
14071 if( nrCastlingRights == 6 ) {
14072 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14073 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14074 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14075 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14076 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14077 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14078 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14079 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14082 if (q == p) *p++ = '-'; /* No castling rights */
14086 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14087 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14088 /* En passant target square */
14089 if (move > backwardMostMove) {
14090 fromX = moveList[move - 1][0] - AAA;
14091 fromY = moveList[move - 1][1] - ONE;
14092 toX = moveList[move - 1][2] - AAA;
14093 toY = moveList[move - 1][3] - ONE;
14094 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14095 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14096 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14098 /* 2-square pawn move just happened */
14100 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14104 } else if(move == backwardMostMove) {
14105 // [HGM] perhaps we should always do it like this, and forget the above?
14106 if((signed char)boards[move][EP_STATUS] >= 0) {
14107 *p++ = boards[move][EP_STATUS] + AAA;
14108 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14119 /* [HGM] find reversible plies */
14120 { int i = 0, j=move;
14122 if (appData.debugMode) { int k;
14123 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14124 for(k=backwardMostMove; k<=forwardMostMove; k++)
14125 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14129 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14130 if( j == backwardMostMove ) i += initialRulePlies;
14131 sprintf(p, "%d ", i);
14132 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14134 /* Fullmove number */
14135 sprintf(p, "%d", (move / 2) + 1);
14137 return StrSave(buf);
14141 ParseFEN(board, blackPlaysFirst, fen)
14143 int *blackPlaysFirst;
14153 /* [HGM] by default clear Crazyhouse holdings, if present */
14154 if(gameInfo.holdingsWidth) {
14155 for(i=0; i<BOARD_HEIGHT; i++) {
14156 board[i][0] = EmptySquare; /* black holdings */
14157 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14158 board[i][1] = (ChessSquare) 0; /* black counts */
14159 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14163 /* Piece placement data */
14164 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14167 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14168 if (*p == '/') p++;
14169 emptycount = gameInfo.boardWidth - j;
14170 while (emptycount--)
14171 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14173 #if(BOARD_FILES >= 10)
14174 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14175 p++; emptycount=10;
14176 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14177 while (emptycount--)
14178 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14180 } else if (isdigit(*p)) {
14181 emptycount = *p++ - '0';
14182 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14183 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14184 while (emptycount--)
14185 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14186 } else if (*p == '+' || isalpha(*p)) {
14187 if (j >= gameInfo.boardWidth) return FALSE;
14189 piece = CharToPiece(*++p);
14190 if(piece == EmptySquare) return FALSE; /* unknown piece */
14191 piece = (ChessSquare) (PROMOTED piece ); p++;
14192 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14193 } else piece = CharToPiece(*p++);
14195 if(piece==EmptySquare) return FALSE; /* unknown piece */
14196 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14197 piece = (ChessSquare) (PROMOTED piece);
14198 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14201 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14207 while (*p == '/' || *p == ' ') p++;
14209 /* [HGM] look for Crazyhouse holdings here */
14210 while(*p==' ') p++;
14211 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14213 if(*p == '-' ) *p++; /* empty holdings */ else {
14214 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14215 /* if we would allow FEN reading to set board size, we would */
14216 /* have to add holdings and shift the board read so far here */
14217 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14219 if((int) piece >= (int) BlackPawn ) {
14220 i = (int)piece - (int)BlackPawn;
14221 i = PieceToNumber((ChessSquare)i);
14222 if( i >= gameInfo.holdingsSize ) return FALSE;
14223 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14224 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14226 i = (int)piece - (int)WhitePawn;
14227 i = PieceToNumber((ChessSquare)i);
14228 if( i >= gameInfo.holdingsSize ) return FALSE;
14229 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14230 board[i][BOARD_WIDTH-2]++; /* black holdings */
14234 if(*p == ']') *p++;
14237 while(*p == ' ') p++;
14242 *blackPlaysFirst = FALSE;
14245 *blackPlaysFirst = TRUE;
14251 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14252 /* return the extra info in global variiables */
14254 /* set defaults in case FEN is incomplete */
14255 board[EP_STATUS] = EP_UNKNOWN;
14256 for(i=0; i<nrCastlingRights; i++ ) {
14257 board[CASTLING][i] =
14258 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14259 } /* assume possible unless obviously impossible */
14260 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14261 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14262 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14263 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14264 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14265 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14266 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14267 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14270 while(*p==' ') p++;
14271 if(nrCastlingRights) {
14272 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14273 /* castling indicator present, so default becomes no castlings */
14274 for(i=0; i<nrCastlingRights; i++ ) {
14275 board[CASTLING][i] = NoRights;
14278 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14279 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14280 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14281 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14282 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14284 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14285 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14286 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14288 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14289 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14290 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14291 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14292 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14293 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14296 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14297 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14298 board[CASTLING][2] = whiteKingFile;
14301 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14302 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14303 board[CASTLING][2] = whiteKingFile;
14306 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14307 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14308 board[CASTLING][5] = blackKingFile;
14311 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14312 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14313 board[CASTLING][5] = blackKingFile;
14316 default: /* FRC castlings */
14317 if(c >= 'a') { /* black rights */
14318 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14319 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14320 if(i == BOARD_RGHT) break;
14321 board[CASTLING][5] = i;
14323 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14324 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14326 board[CASTLING][3] = c;
14328 board[CASTLING][4] = c;
14329 } else { /* white rights */
14330 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14331 if(board[0][i] == WhiteKing) break;
14332 if(i == BOARD_RGHT) break;
14333 board[CASTLING][2] = i;
14334 c -= AAA - 'a' + 'A';
14335 if(board[0][c] >= WhiteKing) break;
14337 board[CASTLING][0] = c;
14339 board[CASTLING][1] = c;
14343 for(i=0; i<nrCastlingRights; i++)
14344 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14345 if (appData.debugMode) {
14346 fprintf(debugFP, "FEN castling rights:");
14347 for(i=0; i<nrCastlingRights; i++)
14348 fprintf(debugFP, " %d", board[CASTLING][i]);
14349 fprintf(debugFP, "\n");
14352 while(*p==' ') p++;
14355 /* read e.p. field in games that know e.p. capture */
14356 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14357 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14359 p++; board[EP_STATUS] = EP_NONE;
14361 char c = *p++ - AAA;
14363 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14364 if(*p >= '0' && *p <='9') *p++;
14365 board[EP_STATUS] = c;
14370 if(sscanf(p, "%d", &i) == 1) {
14371 FENrulePlies = i; /* 50-move ply counter */
14372 /* (The move number is still ignored) */
14379 EditPositionPasteFEN(char *fen)
14382 Board initial_position;
14384 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14385 DisplayError(_("Bad FEN position in clipboard"), 0);
14388 int savedBlackPlaysFirst = blackPlaysFirst;
14389 EditPositionEvent();
14390 blackPlaysFirst = savedBlackPlaysFirst;
14391 CopyBoard(boards[0], initial_position);
14392 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14393 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14394 DisplayBothClocks();
14395 DrawPosition(FALSE, boards[currentMove]);
14400 static char cseq[12] = "\\ ";
14402 Boolean set_cont_sequence(char *new_seq)
14407 // handle bad attempts to set the sequence
14409 return 0; // acceptable error - no debug
14411 len = strlen(new_seq);
14412 ret = (len > 0) && (len < sizeof(cseq));
14414 strcpy(cseq, new_seq);
14415 else if (appData.debugMode)
14416 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14421 reformat a source message so words don't cross the width boundary. internal
14422 newlines are not removed. returns the wrapped size (no null character unless
14423 included in source message). If dest is NULL, only calculate the size required
14424 for the dest buffer. lp argument indicats line position upon entry, and it's
14425 passed back upon exit.
14427 int wrap(char *dest, char *src, int count, int width, int *lp)
14429 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14431 cseq_len = strlen(cseq);
14432 old_line = line = *lp;
14433 ansi = len = clen = 0;
14435 for (i=0; i < count; i++)
14437 if (src[i] == '\033')
14440 // if we hit the width, back up
14441 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14443 // store i & len in case the word is too long
14444 old_i = i, old_len = len;
14446 // find the end of the last word
14447 while (i && src[i] != ' ' && src[i] != '\n')
14453 // word too long? restore i & len before splitting it
14454 if ((old_i-i+clen) >= width)
14461 if (i && src[i-1] == ' ')
14464 if (src[i] != ' ' && src[i] != '\n')
14471 // now append the newline and continuation sequence
14476 strncpy(dest+len, cseq, cseq_len);
14484 dest[len] = src[i];
14488 if (src[i] == '\n')
14493 if (dest && appData.debugMode)
14495 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14496 count, width, line, len, *lp);
14497 show_bytes(debugFP, src, count);
14498 fprintf(debugFP, "\ndest: ");
14499 show_bytes(debugFP, dest, len);
14500 fprintf(debugFP, "\n");
14502 *lp = dest ? line : old_line;
14507 // [HGM] vari: routines for shelving variations
14510 PushTail(int firstMove, int lastMove)
14512 int i, j, nrMoves = lastMove - firstMove;
14514 if(appData.icsActive) { // only in local mode
14515 forwardMostMove = currentMove; // mimic old ICS behavior
14518 if(storedGames >= MAX_VARIATIONS-1) return;
14520 // push current tail of game on stack
14521 savedResult[storedGames] = gameInfo.result;
14522 savedDetails[storedGames] = gameInfo.resultDetails;
14523 gameInfo.resultDetails = NULL;
14524 savedFirst[storedGames] = firstMove;
14525 savedLast [storedGames] = lastMove;
14526 savedFramePtr[storedGames] = framePtr;
14527 framePtr -= nrMoves; // reserve space for the boards
14528 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
14529 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
14530 for(j=0; j<MOVE_LEN; j++)
14531 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
14532 for(j=0; j<2*MOVE_LEN; j++)
14533 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
14534 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
14535 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
14536 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
14537 pvInfoList[firstMove+i-1].depth = 0;
14538 commentList[framePtr+i] = commentList[firstMove+i];
14539 commentList[firstMove+i] = NULL;
14543 forwardMostMove = currentMove; // truncte game so we can start variation
14544 if(storedGames == 1) GreyRevert(FALSE);
14548 PopTail(Boolean annotate)
14551 char buf[8000], moveBuf[20];
14553 if(appData.icsActive) return FALSE; // only in local mode
14554 if(!storedGames) return FALSE; // sanity
14557 ToNrEvent(savedFirst[storedGames]); // sets currentMove
14558 nrMoves = savedLast[storedGames] - currentMove;
14561 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
14562 else strcpy(buf, "(");
14563 for(i=currentMove; i<forwardMostMove; i++) {
14565 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
14566 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
14567 strcat(buf, moveBuf);
14568 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
14572 for(i=1; i<nrMoves; i++) { // copy last variation back
14573 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
14574 for(j=0; j<MOVE_LEN; j++)
14575 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
14576 for(j=0; j<2*MOVE_LEN; j++)
14577 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
14578 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
14579 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
14580 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
14581 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
14582 commentList[currentMove+i] = commentList[framePtr+i];
14583 commentList[framePtr+i] = NULL;
14585 if(annotate) AppendComment(currentMove+1, buf, FALSE);
14586 framePtr = savedFramePtr[storedGames];
14587 gameInfo.result = savedResult[storedGames];
14588 if(gameInfo.resultDetails != NULL) {
14589 free(gameInfo.resultDetails);
14591 gameInfo.resultDetails = savedDetails[storedGames];
14592 forwardMostMove = currentMove + nrMoves;
14593 if(storedGames == 0) GreyRevert(TRUE);
14599 { // remove all shelved variations
14601 for(i=0; i<storedGames; i++) {
14602 if(savedDetails[i])
14603 free(savedDetails[i]);
14604 savedDetails[i] = NULL;
14606 for(i=framePtr; i<MAX_MOVES; i++) {
14607 if(commentList[i]) free(commentList[i]);
14608 commentList[i] = NULL;
14610 framePtr = MAX_MOVES-1;