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 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
5946 // char * hint = lastHint;
5947 FrontEndProgramStats stats;
5949 stats.which = cps == &first ? 0 : 1;
5950 stats.depth = cpstats->depth;
5951 stats.nodes = cpstats->nodes;
5952 stats.score = cpstats->score;
5953 stats.time = cpstats->time;
5954 stats.pv = cpstats->movelist;
5955 stats.hint = lastHint;
5956 stats.an_move_index = 0;
5957 stats.an_move_count = 0;
5959 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
5960 stats.hint = cpstats->move_name;
5961 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
5962 stats.an_move_count = cpstats->nr_moves;
5965 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
5967 SetProgramStats( &stats );
5971 Adjudicate(ChessProgramState *cps)
5972 { // [HGM] some adjudications useful with buggy engines
5973 // [HGM] adjudicate: made into separate routine, which now can be called after every move
5974 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
5975 // Actually ending the game is now based on the additional internal condition canAdjudicate.
5976 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
5977 int k, count = 0; static int bare = 1;
5978 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
5979 Boolean canAdjudicate = !appData.icsActive;
5981 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
5982 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
5983 if( appData.testLegality )
5984 { /* [HGM] Some more adjudications for obstinate engines */
5985 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
5986 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
5987 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
5988 static int moveCount = 6;
5990 char *reason = NULL;
5992 /* Count what is on board. */
5993 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
5994 { ChessSquare p = boards[forwardMostMove][i][j];
5998 { /* count B,N,R and other of each side */
6001 NrK++; break; // [HGM] atomic: count Kings
6005 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6006 bishopsColor |= 1 << ((i^j)&1);
6011 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6012 bishopsColor |= 1 << ((i^j)&1);
6027 PawnAdvance += m; NrPawns++;
6029 NrPieces += (p != EmptySquare);
6030 NrW += ((int)p < (int)BlackPawn);
6031 if(gameInfo.variant == VariantXiangqi &&
6032 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6033 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6034 NrW -= ((int)p < (int)BlackPawn);
6038 /* Some material-based adjudications that have to be made before stalemate test */
6039 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6040 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6041 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6042 if(canAdjudicate && appData.checkMates) {
6044 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6045 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6046 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6047 "Xboard adjudication: King destroyed", GE_XBOARD );
6052 /* Bare King in Shatranj (loses) or Losers (wins) */
6053 if( NrW == 1 || NrPieces - NrW == 1) {
6054 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6055 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6056 if(canAdjudicate && appData.checkMates) {
6058 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6059 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6060 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6061 "Xboard adjudication: Bare king", GE_XBOARD );
6065 if( gameInfo.variant == VariantShatranj && --bare < 0)
6067 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6068 if(canAdjudicate && appData.checkMates) {
6069 /* but only adjudicate if adjudication enabled */
6071 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6072 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6073 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6074 "Xboard adjudication: Bare king", GE_XBOARD );
6081 // don't wait for engine to announce game end if we can judge ourselves
6082 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6084 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6085 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6086 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6087 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6090 reason = "Xboard adjudication: 3rd check";
6091 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6101 reason = "Xboard adjudication: Stalemate";
6102 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6103 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6104 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6105 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6106 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6107 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6108 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6109 EP_CHECKMATE : EP_WINS);
6110 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6111 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6115 reason = "Xboard adjudication: Checkmate";
6116 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6120 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6122 result = GameIsDrawn; break;
6124 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6126 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6128 result = (ChessMove) 0;
6130 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6132 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6133 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6134 GameEnds( result, reason, GE_XBOARD );
6138 /* Next absolutely insufficient mating material. */
6139 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6140 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6141 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6142 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6143 { /* KBK, KNK, KK of KBKB with like Bishops */
6145 /* always flag draws, for judging claims */
6146 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6148 if(canAdjudicate && appData.materialDraws) {
6149 /* but only adjudicate them if adjudication enabled */
6150 if(engineOpponent) {
6151 SendToProgram("force\n", engineOpponent); // suppress reply
6152 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6154 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6155 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6160 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6162 ( NrWR == 1 && NrBR == 1 /* KRKR */
6163 || NrWQ==1 && NrBQ==1 /* KQKQ */
6164 || NrWN==2 || NrBN==2 /* KNNK */
6165 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6167 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6168 { /* if the first 3 moves do not show a tactical win, declare draw */
6169 if(engineOpponent) {
6170 SendToProgram("force\n", engineOpponent); // suppress reply
6171 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6173 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6174 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6177 } else moveCount = 6;
6181 if (appData.debugMode) { int i;
6182 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6183 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6184 appData.drawRepeats);
6185 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6186 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6190 // Repetition draws and 50-move rule can be applied independently of legality testing
6192 /* Check for rep-draws */
6194 for(k = forwardMostMove-2;
6195 k>=backwardMostMove && k>=forwardMostMove-100 &&
6196 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6197 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6200 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6201 /* compare castling rights */
6202 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6203 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6204 rights++; /* King lost rights, while rook still had them */
6205 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6206 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6207 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6208 rights++; /* but at least one rook lost them */
6210 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6211 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6213 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6214 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6215 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6218 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6219 && appData.drawRepeats > 1) {
6220 /* adjudicate after user-specified nr of repeats */
6221 if(engineOpponent) {
6222 SendToProgram("force\n", engineOpponent); // suppress reply
6223 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6225 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6226 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6227 // [HGM] xiangqi: check for forbidden perpetuals
6228 int m, ourPerpetual = 1, hisPerpetual = 1;
6229 for(m=forwardMostMove; m>k; m-=2) {
6230 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6231 ourPerpetual = 0; // the current mover did not always check
6232 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6233 hisPerpetual = 0; // the opponent did not always check
6235 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6236 ourPerpetual, hisPerpetual);
6237 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6238 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6239 "Xboard adjudication: perpetual checking", GE_XBOARD );
6242 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6243 break; // (or we would have caught him before). Abort repetition-checking loop.
6244 // Now check for perpetual chases
6245 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6246 hisPerpetual = PerpetualChase(k, forwardMostMove);
6247 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6248 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6249 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6250 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6253 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6254 break; // Abort repetition-checking loop.
6256 // if neither of us is checking or chasing all the time, or both are, it is draw
6258 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6261 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6262 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6266 /* Now we test for 50-move draws. Determine ply count */
6267 count = forwardMostMove;
6268 /* look for last irreversble move */
6269 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6271 /* if we hit starting position, add initial plies */
6272 if( count == backwardMostMove )
6273 count -= initialRulePlies;
6274 count = forwardMostMove - count;
6276 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6277 /* this is used to judge if draw claims are legal */
6278 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6279 if(engineOpponent) {
6280 SendToProgram("force\n", engineOpponent); // suppress reply
6281 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6283 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6284 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6288 /* if draw offer is pending, treat it as a draw claim
6289 * when draw condition present, to allow engines a way to
6290 * claim draws before making their move to avoid a race
6291 * condition occurring after their move
6293 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6295 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6296 p = "Draw claim: 50-move rule";
6297 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6298 p = "Draw claim: 3-fold repetition";
6299 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6300 p = "Draw claim: insufficient mating material";
6301 if( p != NULL && canAdjudicate) {
6302 if(engineOpponent) {
6303 SendToProgram("force\n", engineOpponent); // suppress reply
6304 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6306 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6307 GameEnds( GameIsDrawn, p, GE_XBOARD );
6312 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6313 if(engineOpponent) {
6314 SendToProgram("force\n", engineOpponent); // suppress reply
6315 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6317 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6318 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6324 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6325 { // [HGM] book: this routine intercepts moves to simulate book replies
6326 char *bookHit = NULL;
6328 //first determine if the incoming move brings opponent into his book
6329 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6330 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6331 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6332 if(bookHit != NULL && !cps->bookSuspend) {
6333 // make sure opponent is not going to reply after receiving move to book position
6334 SendToProgram("force\n", cps);
6335 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6337 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6338 // now arrange restart after book miss
6340 // after a book hit we never send 'go', and the code after the call to this routine
6341 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6343 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6344 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6345 SendToProgram(buf, cps);
6346 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6347 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6348 SendToProgram("go\n", cps);
6349 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6350 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6351 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6352 SendToProgram("go\n", cps);
6353 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6355 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6359 ChessProgramState *savedState;
6360 void DeferredBookMove(void)
6362 if(savedState->lastPing != savedState->lastPong)
6363 ScheduleDelayedEvent(DeferredBookMove, 10);
6365 HandleMachineMove(savedMessage, savedState);
6369 HandleMachineMove(message, cps)
6371 ChessProgramState *cps;
6373 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6374 char realname[MSG_SIZ];
6375 int fromX, fromY, toX, toY;
6384 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6386 * Kludge to ignore BEL characters
6388 while (*message == '\007') message++;
6391 * [HGM] engine debug message: ignore lines starting with '#' character
6393 if(cps->debug && *message == '#') return;
6396 * Look for book output
6398 if (cps == &first && bookRequested) {
6399 if (message[0] == '\t' || message[0] == ' ') {
6400 /* Part of the book output is here; append it */
6401 strcat(bookOutput, message);
6402 strcat(bookOutput, " \n");
6404 } else if (bookOutput[0] != NULLCHAR) {
6405 /* All of book output has arrived; display it */
6406 char *p = bookOutput;
6407 while (*p != NULLCHAR) {
6408 if (*p == '\t') *p = ' ';
6411 DisplayInformation(bookOutput);
6412 bookRequested = FALSE;
6413 /* Fall through to parse the current output */
6418 * Look for machine move.
6420 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6421 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6423 /* This method is only useful on engines that support ping */
6424 if (cps->lastPing != cps->lastPong) {
6425 if (gameMode == BeginningOfGame) {
6426 /* Extra move from before last new; ignore */
6427 if (appData.debugMode) {
6428 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6431 if (appData.debugMode) {
6432 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6433 cps->which, gameMode);
6436 SendToProgram("undo\n", cps);
6442 case BeginningOfGame:
6443 /* Extra move from before last reset; ignore */
6444 if (appData.debugMode) {
6445 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6452 /* Extra move after we tried to stop. The mode test is
6453 not a reliable way of detecting this problem, but it's
6454 the best we can do on engines that don't support ping.
6456 if (appData.debugMode) {
6457 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6458 cps->which, gameMode);
6460 SendToProgram("undo\n", cps);
6463 case MachinePlaysWhite:
6464 case IcsPlayingWhite:
6465 machineWhite = TRUE;
6468 case MachinePlaysBlack:
6469 case IcsPlayingBlack:
6470 machineWhite = FALSE;
6473 case TwoMachinesPlay:
6474 machineWhite = (cps->twoMachinesColor[0] == 'w');
6477 if (WhiteOnMove(forwardMostMove) != machineWhite) {
6478 if (appData.debugMode) {
6480 "Ignoring move out of turn by %s, gameMode %d"
6481 ", forwardMost %d\n",
6482 cps->which, gameMode, forwardMostMove);
6487 if (appData.debugMode) { int f = forwardMostMove;
6488 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
6489 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
6490 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
6492 if(cps->alphaRank) AlphaRank(machineMove, 4);
6493 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
6494 &fromX, &fromY, &toX, &toY, &promoChar)) {
6495 /* Machine move could not be parsed; ignore it. */
6496 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
6497 machineMove, cps->which);
6498 DisplayError(buf1, 0);
6499 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
6500 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
6501 if (gameMode == TwoMachinesPlay) {
6502 GameEnds(machineWhite ? BlackWins : WhiteWins,
6508 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
6509 /* So we have to redo legality test with true e.p. status here, */
6510 /* to make sure an illegal e.p. capture does not slip through, */
6511 /* to cause a forfeit on a justified illegal-move complaint */
6512 /* of the opponent. */
6513 if( gameMode==TwoMachinesPlay && appData.testLegality
6514 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
6517 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
6518 fromY, fromX, toY, toX, promoChar);
6519 if (appData.debugMode) {
6521 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
6522 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
6523 fprintf(debugFP, "castling rights\n");
6525 if(moveType == IllegalMove) {
6526 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
6527 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
6528 GameEnds(machineWhite ? BlackWins : WhiteWins,
6531 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
6532 /* [HGM] Kludge to handle engines that send FRC-style castling
6533 when they shouldn't (like TSCP-Gothic) */
6535 case WhiteASideCastleFR:
6536 case BlackASideCastleFR:
6538 currentMoveString[2]++;
6540 case WhiteHSideCastleFR:
6541 case BlackHSideCastleFR:
6543 currentMoveString[2]--;
6545 default: ; // nothing to do, but suppresses warning of pedantic compilers
6548 hintRequested = FALSE;
6549 lastHint[0] = NULLCHAR;
6550 bookRequested = FALSE;
6551 /* Program may be pondering now */
6552 cps->maybeThinking = TRUE;
6553 if (cps->sendTime == 2) cps->sendTime = 1;
6554 if (cps->offeredDraw) cps->offeredDraw--;
6556 /* currentMoveString is set as a side-effect of ParseOneMove */
6557 strcpy(machineMove, currentMoveString);
6558 strcat(machineMove, "\n");
6559 strcpy(moveList[forwardMostMove], machineMove);
6561 /* [AS] Save move info and clear stats for next move */
6562 pvInfoList[ forwardMostMove ].score = programStats.score;
6563 pvInfoList[ forwardMostMove ].depth = programStats.depth;
6564 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
6565 ClearProgramStats();
6566 thinkOutput[0] = NULLCHAR;
6567 hiddenThinkOutputState = 0;
6569 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
6571 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
6572 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
6575 while( count < adjudicateLossPlies ) {
6576 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
6579 score = -score; /* Flip score for winning side */
6582 if( score > adjudicateLossThreshold ) {
6589 if( count >= adjudicateLossPlies ) {
6590 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6592 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6593 "Xboard adjudication",
6600 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
6603 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
6605 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6606 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6608 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6610 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6612 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
6613 char buf[3*MSG_SIZ];
6615 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
6616 programStats.score / 100.,
6618 programStats.time / 100.,
6619 (unsigned int)programStats.nodes,
6620 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
6621 programStats.movelist);
6623 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
6629 if (gameMode == TwoMachinesPlay) {
6630 /* [HGM] relaying draw offers moved to after reception of move */
6631 /* and interpreting offer as claim if it brings draw condition */
6632 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
6633 SendToProgram("draw\n", cps->other);
6635 if (cps->other->sendTime) {
6636 SendTimeRemaining(cps->other,
6637 cps->other->twoMachinesColor[0] == 'w');
6639 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
6640 if (firstMove && !bookHit) {
6642 if (cps->other->useColors) {
6643 SendToProgram(cps->other->twoMachinesColor, cps->other);
6645 SendToProgram("go\n", cps->other);
6647 cps->other->maybeThinking = TRUE;
6650 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6652 if (!pausing && appData.ringBellAfterMoves) {
6657 * Reenable menu items that were disabled while
6658 * machine was thinking
6660 if (gameMode != TwoMachinesPlay)
6661 SetUserThinkingEnables();
6663 // [HGM] book: after book hit opponent has received move and is now in force mode
6664 // force the book reply into it, and then fake that it outputted this move by jumping
6665 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
6667 static char bookMove[MSG_SIZ]; // a bit generous?
6669 strcpy(bookMove, "move ");
6670 strcat(bookMove, bookHit);
6673 programStats.nodes = programStats.depth = programStats.time =
6674 programStats.score = programStats.got_only_move = 0;
6675 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6677 if(cps->lastPing != cps->lastPong) {
6678 savedMessage = message; // args for deferred call
6680 ScheduleDelayedEvent(DeferredBookMove, 10);
6689 /* Set special modes for chess engines. Later something general
6690 * could be added here; for now there is just one kludge feature,
6691 * needed because Crafty 15.10 and earlier don't ignore SIGINT
6692 * when "xboard" is given as an interactive command.
6694 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
6695 cps->useSigint = FALSE;
6696 cps->useSigterm = FALSE;
6698 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
6699 ParseFeatures(message+8, cps);
6700 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
6703 /* [HGM] Allow engine to set up a position. Don't ask me why one would
6704 * want this, I was asked to put it in, and obliged.
6706 if (!strncmp(message, "setboard ", 9)) {
6707 Board initial_position;
6709 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
6711 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
6712 DisplayError(_("Bad FEN received from engine"), 0);
6716 CopyBoard(boards[0], initial_position);
6717 initialRulePlies = FENrulePlies;
6718 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
6719 else gameMode = MachinePlaysBlack;
6720 DrawPosition(FALSE, boards[currentMove]);
6726 * Look for communication commands
6728 if (!strncmp(message, "telluser ", 9)) {
6729 DisplayNote(message + 9);
6732 if (!strncmp(message, "tellusererror ", 14)) {
6734 DisplayError(message + 14, 0);
6737 if (!strncmp(message, "tellopponent ", 13)) {
6738 if (appData.icsActive) {
6740 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
6744 DisplayNote(message + 13);
6748 if (!strncmp(message, "tellothers ", 11)) {
6749 if (appData.icsActive) {
6751 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
6757 if (!strncmp(message, "tellall ", 8)) {
6758 if (appData.icsActive) {
6760 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
6764 DisplayNote(message + 8);
6768 if (strncmp(message, "warning", 7) == 0) {
6769 /* Undocumented feature, use tellusererror in new code */
6770 DisplayError(message, 0);
6773 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
6774 strcpy(realname, cps->tidy);
6775 strcat(realname, " query");
6776 AskQuestion(realname, buf2, buf1, cps->pr);
6779 /* Commands from the engine directly to ICS. We don't allow these to be
6780 * sent until we are logged on. Crafty kibitzes have been known to
6781 * interfere with the login process.
6784 if (!strncmp(message, "tellics ", 8)) {
6785 SendToICS(message + 8);
6789 if (!strncmp(message, "tellicsnoalias ", 15)) {
6790 SendToICS(ics_prefix);
6791 SendToICS(message + 15);
6795 /* The following are for backward compatibility only */
6796 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
6797 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
6798 SendToICS(ics_prefix);
6804 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
6808 * If the move is illegal, cancel it and redraw the board.
6809 * Also deal with other error cases. Matching is rather loose
6810 * here to accommodate engines written before the spec.
6812 if (strncmp(message + 1, "llegal move", 11) == 0 ||
6813 strncmp(message, "Error", 5) == 0) {
6814 if (StrStr(message, "name") ||
6815 StrStr(message, "rating") || StrStr(message, "?") ||
6816 StrStr(message, "result") || StrStr(message, "board") ||
6817 StrStr(message, "bk") || StrStr(message, "computer") ||
6818 StrStr(message, "variant") || StrStr(message, "hint") ||
6819 StrStr(message, "random") || StrStr(message, "depth") ||
6820 StrStr(message, "accepted")) {
6823 if (StrStr(message, "protover")) {
6824 /* Program is responding to input, so it's apparently done
6825 initializing, and this error message indicates it is
6826 protocol version 1. So we don't need to wait any longer
6827 for it to initialize and send feature commands. */
6828 FeatureDone(cps, 1);
6829 cps->protocolVersion = 1;
6832 cps->maybeThinking = FALSE;
6834 if (StrStr(message, "draw")) {
6835 /* Program doesn't have "draw" command */
6836 cps->sendDrawOffers = 0;
6839 if (cps->sendTime != 1 &&
6840 (StrStr(message, "time") || StrStr(message, "otim"))) {
6841 /* Program apparently doesn't have "time" or "otim" command */
6845 if (StrStr(message, "analyze")) {
6846 cps->analysisSupport = FALSE;
6847 cps->analyzing = FALSE;
6849 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
6850 DisplayError(buf2, 0);
6853 if (StrStr(message, "(no matching move)st")) {
6854 /* Special kludge for GNU Chess 4 only */
6855 cps->stKludge = TRUE;
6856 SendTimeControl(cps, movesPerSession, timeControl,
6857 timeIncrement, appData.searchDepth,
6861 if (StrStr(message, "(no matching move)sd")) {
6862 /* Special kludge for GNU Chess 4 only */
6863 cps->sdKludge = TRUE;
6864 SendTimeControl(cps, movesPerSession, timeControl,
6865 timeIncrement, appData.searchDepth,
6869 if (!StrStr(message, "llegal")) {
6872 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6873 gameMode == IcsIdle) return;
6874 if (forwardMostMove <= backwardMostMove) return;
6875 if (pausing) PauseEvent();
6876 if(appData.forceIllegal) {
6877 // [HGM] illegal: machine refused move; force position after move into it
6878 SendToProgram("force\n", cps);
6879 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
6880 // we have a real problem now, as SendBoard will use the a2a3 kludge
6881 // when black is to move, while there might be nothing on a2 or black
6882 // might already have the move. So send the board as if white has the move.
6883 // But first we must change the stm of the engine, as it refused the last move
6884 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
6885 if(WhiteOnMove(forwardMostMove)) {
6886 SendToProgram("a7a6\n", cps); // for the engine black still had the move
6887 SendBoard(cps, forwardMostMove); // kludgeless board
6889 SendToProgram("a2a3\n", cps); // for the engine white still had the move
6890 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
6891 SendBoard(cps, forwardMostMove+1); // kludgeless board
6893 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
6894 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
6895 gameMode == TwoMachinesPlay)
6896 SendToProgram("go\n", cps);
6899 if (gameMode == PlayFromGameFile) {
6900 /* Stop reading this game file */
6901 gameMode = EditGame;
6904 currentMove = --forwardMostMove;
6905 DisplayMove(currentMove-1); /* before DisplayMoveError */
6907 DisplayBothClocks();
6908 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
6909 parseList[currentMove], cps->which);
6910 DisplayMoveError(buf1);
6911 DrawPosition(FALSE, boards[currentMove]);
6913 /* [HGM] illegal-move claim should forfeit game when Xboard */
6914 /* only passes fully legal moves */
6915 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
6916 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
6917 "False illegal-move claim", GE_XBOARD );
6921 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
6922 /* Program has a broken "time" command that
6923 outputs a string not ending in newline.
6929 * If chess program startup fails, exit with an error message.
6930 * Attempts to recover here are futile.
6932 if ((StrStr(message, "unknown host") != NULL)
6933 || (StrStr(message, "No remote directory") != NULL)
6934 || (StrStr(message, "not found") != NULL)
6935 || (StrStr(message, "No such file") != NULL)
6936 || (StrStr(message, "can't alloc") != NULL)
6937 || (StrStr(message, "Permission denied") != NULL)) {
6939 cps->maybeThinking = FALSE;
6940 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
6941 cps->which, cps->program, cps->host, message);
6942 RemoveInputSource(cps->isr);
6943 DisplayFatalError(buf1, 0, 1);
6948 * Look for hint output
6950 if (sscanf(message, "Hint: %s", buf1) == 1) {
6951 if (cps == &first && hintRequested) {
6952 hintRequested = FALSE;
6953 if (ParseOneMove(buf1, forwardMostMove, &moveType,
6954 &fromX, &fromY, &toX, &toY, &promoChar)) {
6955 (void) CoordsToAlgebraic(boards[forwardMostMove],
6956 PosFlags(forwardMostMove),
6957 fromY, fromX, toY, toX, promoChar, buf1);
6958 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
6959 DisplayInformation(buf2);
6961 /* Hint move could not be parsed!? */
6962 snprintf(buf2, sizeof(buf2),
6963 _("Illegal hint move \"%s\"\nfrom %s chess program"),
6965 DisplayError(buf2, 0);
6968 strcpy(lastHint, buf1);
6974 * Ignore other messages if game is not in progress
6976 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6977 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
6980 * look for win, lose, draw, or draw offer
6982 if (strncmp(message, "1-0", 3) == 0) {
6983 char *p, *q, *r = "";
6984 p = strchr(message, '{');
6992 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
6994 } else if (strncmp(message, "0-1", 3) == 0) {
6995 char *p, *q, *r = "";
6996 p = strchr(message, '{');
7004 /* Kludge for Arasan 4.1 bug */
7005 if (strcmp(r, "Black resigns") == 0) {
7006 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7009 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7011 } else if (strncmp(message, "1/2", 3) == 0) {
7012 char *p, *q, *r = "";
7013 p = strchr(message, '{');
7022 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7025 } else if (strncmp(message, "White resign", 12) == 0) {
7026 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7028 } else if (strncmp(message, "Black resign", 12) == 0) {
7029 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7031 } else if (strncmp(message, "White matches", 13) == 0 ||
7032 strncmp(message, "Black matches", 13) == 0 ) {
7033 /* [HGM] ignore GNUShogi noises */
7035 } else if (strncmp(message, "White", 5) == 0 &&
7036 message[5] != '(' &&
7037 StrStr(message, "Black") == NULL) {
7038 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7040 } else if (strncmp(message, "Black", 5) == 0 &&
7041 message[5] != '(') {
7042 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7044 } else if (strcmp(message, "resign") == 0 ||
7045 strcmp(message, "computer resigns") == 0) {
7047 case MachinePlaysBlack:
7048 case IcsPlayingBlack:
7049 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7051 case MachinePlaysWhite:
7052 case IcsPlayingWhite:
7053 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7055 case TwoMachinesPlay:
7056 if (cps->twoMachinesColor[0] == 'w')
7057 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7059 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7066 } else if (strncmp(message, "opponent mates", 14) == 0) {
7068 case MachinePlaysBlack:
7069 case IcsPlayingBlack:
7070 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7072 case MachinePlaysWhite:
7073 case IcsPlayingWhite:
7074 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7076 case TwoMachinesPlay:
7077 if (cps->twoMachinesColor[0] == 'w')
7078 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7080 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7087 } else if (strncmp(message, "computer mates", 14) == 0) {
7089 case MachinePlaysBlack:
7090 case IcsPlayingBlack:
7091 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7093 case MachinePlaysWhite:
7094 case IcsPlayingWhite:
7095 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7097 case TwoMachinesPlay:
7098 if (cps->twoMachinesColor[0] == 'w')
7099 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7101 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7108 } else if (strncmp(message, "checkmate", 9) == 0) {
7109 if (WhiteOnMove(forwardMostMove)) {
7110 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7112 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7115 } else if (strstr(message, "Draw") != NULL ||
7116 strstr(message, "game is a draw") != NULL) {
7117 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7119 } else if (strstr(message, "offer") != NULL &&
7120 strstr(message, "draw") != NULL) {
7122 if (appData.zippyPlay && first.initDone) {
7123 /* Relay offer to ICS */
7124 SendToICS(ics_prefix);
7125 SendToICS("draw\n");
7128 cps->offeredDraw = 2; /* valid until this engine moves twice */
7129 if (gameMode == TwoMachinesPlay) {
7130 if (cps->other->offeredDraw) {
7131 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7132 /* [HGM] in two-machine mode we delay relaying draw offer */
7133 /* until after we also have move, to see if it is really claim */
7135 } else if (gameMode == MachinePlaysWhite ||
7136 gameMode == MachinePlaysBlack) {
7137 if (userOfferedDraw) {
7138 DisplayInformation(_("Machine accepts your draw offer"));
7139 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7141 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7148 * Look for thinking output
7150 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7151 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7153 int plylev, mvleft, mvtot, curscore, time;
7154 char mvname[MOVE_LEN];
7158 int prefixHint = FALSE;
7159 mvname[0] = NULLCHAR;
7162 case MachinePlaysBlack:
7163 case IcsPlayingBlack:
7164 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7166 case MachinePlaysWhite:
7167 case IcsPlayingWhite:
7168 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7173 case IcsObserving: /* [DM] icsEngineAnalyze */
7174 if (!appData.icsEngineAnalyze) ignore = TRUE;
7176 case TwoMachinesPlay:
7177 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7188 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7189 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7191 if (plyext != ' ' && plyext != '\t') {
7195 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7196 if( cps->scoreIsAbsolute &&
7197 ( gameMode == MachinePlaysBlack ||
7198 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7199 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7200 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7201 !WhiteOnMove(currentMove)
7204 curscore = -curscore;
7208 programStats.depth = plylev;
7209 programStats.nodes = nodes;
7210 programStats.time = time;
7211 programStats.score = curscore;
7212 programStats.got_only_move = 0;
7214 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7217 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7218 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7219 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7220 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7221 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7222 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7223 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7224 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7227 /* Buffer overflow protection */
7228 if (buf1[0] != NULLCHAR) {
7229 if (strlen(buf1) >= sizeof(programStats.movelist)
7230 && appData.debugMode) {
7232 "PV is too long; using the first %u bytes.\n",
7233 (unsigned) sizeof(programStats.movelist) - 1);
7236 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7238 sprintf(programStats.movelist, " no PV\n");
7241 if (programStats.seen_stat) {
7242 programStats.ok_to_send = 1;
7245 if (strchr(programStats.movelist, '(') != NULL) {
7246 programStats.line_is_book = 1;
7247 programStats.nr_moves = 0;
7248 programStats.moves_left = 0;
7250 programStats.line_is_book = 0;
7253 SendProgramStatsToFrontend( cps, &programStats );
7256 [AS] Protect the thinkOutput buffer from overflow... this
7257 is only useful if buf1 hasn't overflowed first!
7259 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7261 (gameMode == TwoMachinesPlay ?
7262 ToUpper(cps->twoMachinesColor[0]) : ' '),
7263 ((double) curscore) / 100.0,
7264 prefixHint ? lastHint : "",
7265 prefixHint ? " " : "" );
7267 if( buf1[0] != NULLCHAR ) {
7268 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7270 if( strlen(buf1) > max_len ) {
7271 if( appData.debugMode) {
7272 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7274 buf1[max_len+1] = '\0';
7277 strcat( thinkOutput, buf1 );
7280 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7281 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7282 DisplayMove(currentMove - 1);
7286 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7287 /* crafty (9.25+) says "(only move) <move>"
7288 * if there is only 1 legal move
7290 sscanf(p, "(only move) %s", buf1);
7291 sprintf(thinkOutput, "%s (only move)", buf1);
7292 sprintf(programStats.movelist, "%s (only move)", buf1);
7293 programStats.depth = 1;
7294 programStats.nr_moves = 1;
7295 programStats.moves_left = 1;
7296 programStats.nodes = 1;
7297 programStats.time = 1;
7298 programStats.got_only_move = 1;
7300 /* Not really, but we also use this member to
7301 mean "line isn't going to change" (Crafty
7302 isn't searching, so stats won't change) */
7303 programStats.line_is_book = 1;
7305 SendProgramStatsToFrontend( cps, &programStats );
7307 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7308 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7309 DisplayMove(currentMove - 1);
7312 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7313 &time, &nodes, &plylev, &mvleft,
7314 &mvtot, mvname) >= 5) {
7315 /* The stat01: line is from Crafty (9.29+) in response
7316 to the "." command */
7317 programStats.seen_stat = 1;
7318 cps->maybeThinking = TRUE;
7320 if (programStats.got_only_move || !appData.periodicUpdates)
7323 programStats.depth = plylev;
7324 programStats.time = time;
7325 programStats.nodes = nodes;
7326 programStats.moves_left = mvleft;
7327 programStats.nr_moves = mvtot;
7328 strcpy(programStats.move_name, mvname);
7329 programStats.ok_to_send = 1;
7330 programStats.movelist[0] = '\0';
7332 SendProgramStatsToFrontend( cps, &programStats );
7336 } else if (strncmp(message,"++",2) == 0) {
7337 /* Crafty 9.29+ outputs this */
7338 programStats.got_fail = 2;
7341 } else if (strncmp(message,"--",2) == 0) {
7342 /* Crafty 9.29+ outputs this */
7343 programStats.got_fail = 1;
7346 } else if (thinkOutput[0] != NULLCHAR &&
7347 strncmp(message, " ", 4) == 0) {
7348 unsigned message_len;
7351 while (*p && *p == ' ') p++;
7353 message_len = strlen( p );
7355 /* [AS] Avoid buffer overflow */
7356 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7357 strcat(thinkOutput, " ");
7358 strcat(thinkOutput, p);
7361 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7362 strcat(programStats.movelist, " ");
7363 strcat(programStats.movelist, p);
7366 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7367 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7368 DisplayMove(currentMove - 1);
7376 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7377 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7379 ChessProgramStats cpstats;
7381 if (plyext != ' ' && plyext != '\t') {
7385 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7386 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7387 curscore = -curscore;
7390 cpstats.depth = plylev;
7391 cpstats.nodes = nodes;
7392 cpstats.time = time;
7393 cpstats.score = curscore;
7394 cpstats.got_only_move = 0;
7395 cpstats.movelist[0] = '\0';
7397 if (buf1[0] != NULLCHAR) {
7398 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7401 cpstats.ok_to_send = 0;
7402 cpstats.line_is_book = 0;
7403 cpstats.nr_moves = 0;
7404 cpstats.moves_left = 0;
7406 SendProgramStatsToFrontend( cps, &cpstats );
7413 /* Parse a game score from the character string "game", and
7414 record it as the history of the current game. The game
7415 score is NOT assumed to start from the standard position.
7416 The display is not updated in any way.
7419 ParseGameHistory(game)
7423 int fromX, fromY, toX, toY, boardIndex;
7428 if (appData.debugMode)
7429 fprintf(debugFP, "Parsing game history: %s\n", game);
7431 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7432 gameInfo.site = StrSave(appData.icsHost);
7433 gameInfo.date = PGNDate();
7434 gameInfo.round = StrSave("-");
7436 /* Parse out names of players */
7437 while (*game == ' ') game++;
7439 while (*game != ' ') *p++ = *game++;
7441 gameInfo.white = StrSave(buf);
7442 while (*game == ' ') game++;
7444 while (*game != ' ' && *game != '\n') *p++ = *game++;
7446 gameInfo.black = StrSave(buf);
7449 boardIndex = blackPlaysFirst ? 1 : 0;
7452 yyboardindex = boardIndex;
7453 moveType = (ChessMove) yylex();
7455 case IllegalMove: /* maybe suicide chess, etc. */
7456 if (appData.debugMode) {
7457 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7458 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7459 setbuf(debugFP, NULL);
7461 case WhitePromotionChancellor:
7462 case BlackPromotionChancellor:
7463 case WhitePromotionArchbishop:
7464 case BlackPromotionArchbishop:
7465 case WhitePromotionQueen:
7466 case BlackPromotionQueen:
7467 case WhitePromotionRook:
7468 case BlackPromotionRook:
7469 case WhitePromotionBishop:
7470 case BlackPromotionBishop:
7471 case WhitePromotionKnight:
7472 case BlackPromotionKnight:
7473 case WhitePromotionKing:
7474 case BlackPromotionKing:
7476 case WhiteCapturesEnPassant:
7477 case BlackCapturesEnPassant:
7478 case WhiteKingSideCastle:
7479 case WhiteQueenSideCastle:
7480 case BlackKingSideCastle:
7481 case BlackQueenSideCastle:
7482 case WhiteKingSideCastleWild:
7483 case WhiteQueenSideCastleWild:
7484 case BlackKingSideCastleWild:
7485 case BlackQueenSideCastleWild:
7487 case WhiteHSideCastleFR:
7488 case WhiteASideCastleFR:
7489 case BlackHSideCastleFR:
7490 case BlackASideCastleFR:
7492 fromX = currentMoveString[0] - AAA;
7493 fromY = currentMoveString[1] - ONE;
7494 toX = currentMoveString[2] - AAA;
7495 toY = currentMoveString[3] - ONE;
7496 promoChar = currentMoveString[4];
7500 fromX = moveType == WhiteDrop ?
7501 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7502 (int) CharToPiece(ToLower(currentMoveString[0]));
7504 toX = currentMoveString[2] - AAA;
7505 toY = currentMoveString[3] - ONE;
7506 promoChar = NULLCHAR;
7510 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7511 if (appData.debugMode) {
7512 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7513 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7514 setbuf(debugFP, NULL);
7516 DisplayError(buf, 0);
7518 case ImpossibleMove:
7520 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7521 if (appData.debugMode) {
7522 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7523 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7524 setbuf(debugFP, NULL);
7526 DisplayError(buf, 0);
7528 case (ChessMove) 0: /* end of file */
7529 if (boardIndex < backwardMostMove) {
7530 /* Oops, gap. How did that happen? */
7531 DisplayError(_("Gap in move list"), 0);
7534 backwardMostMove = blackPlaysFirst ? 1 : 0;
7535 if (boardIndex > forwardMostMove) {
7536 forwardMostMove = boardIndex;
7540 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7541 strcat(parseList[boardIndex-1], " ");
7542 strcat(parseList[boardIndex-1], yy_text);
7554 case GameUnfinished:
7555 if (gameMode == IcsExamining) {
7556 if (boardIndex < backwardMostMove) {
7557 /* Oops, gap. How did that happen? */
7560 backwardMostMove = blackPlaysFirst ? 1 : 0;
7563 gameInfo.result = moveType;
7564 p = strchr(yy_text, '{');
7565 if (p == NULL) p = strchr(yy_text, '(');
7568 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7570 q = strchr(p, *p == '{' ? '}' : ')');
7571 if (q != NULL) *q = NULLCHAR;
7574 gameInfo.resultDetails = StrSave(p);
7577 if (boardIndex >= forwardMostMove &&
7578 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7579 backwardMostMove = blackPlaysFirst ? 1 : 0;
7582 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7583 fromY, fromX, toY, toX, promoChar,
7584 parseList[boardIndex]);
7585 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7586 /* currentMoveString is set as a side-effect of yylex */
7587 strcpy(moveList[boardIndex], currentMoveString);
7588 strcat(moveList[boardIndex], "\n");
7590 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
7591 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
7597 if(gameInfo.variant != VariantShogi)
7598 strcat(parseList[boardIndex - 1], "+");
7602 strcat(parseList[boardIndex - 1], "#");
7609 /* Apply a move to the given board */
7611 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
7612 int fromX, fromY, toX, toY;
7616 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7617 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
7619 /* [HGM] compute & store e.p. status and castling rights for new position */
7620 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7623 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7624 oldEP = (signed char)board[EP_STATUS];
7625 board[EP_STATUS] = EP_NONE;
7627 if( board[toY][toX] != EmptySquare )
7628 board[EP_STATUS] = EP_CAPTURE;
7630 if( board[fromY][fromX] == WhitePawn ) {
7631 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7632 board[EP_STATUS] = EP_PAWN_MOVE;
7634 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7635 gameInfo.variant != VariantBerolina || toX < fromX)
7636 board[EP_STATUS] = toX | berolina;
7637 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7638 gameInfo.variant != VariantBerolina || toX > fromX)
7639 board[EP_STATUS] = toX;
7642 if( board[fromY][fromX] == BlackPawn ) {
7643 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7644 board[EP_STATUS] = EP_PAWN_MOVE;
7645 if( toY-fromY== -2) {
7646 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7647 gameInfo.variant != VariantBerolina || toX < fromX)
7648 board[EP_STATUS] = toX | berolina;
7649 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7650 gameInfo.variant != VariantBerolina || toX > fromX)
7651 board[EP_STATUS] = toX;
7655 for(i=0; i<nrCastlingRights; i++) {
7656 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
7657 board[CASTLING][i] == toX && castlingRank[i] == toY
7658 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
7663 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7664 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
7665 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7667 if (fromX == toX && fromY == toY) return;
7669 if (fromY == DROP_RANK) {
7671 piece = board[toY][toX] = (ChessSquare) fromX;
7673 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7674 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7675 if(gameInfo.variant == VariantKnightmate)
7676 king += (int) WhiteUnicorn - (int) WhiteKing;
7678 /* Code added by Tord: */
7679 /* FRC castling assumed when king captures friendly rook. */
7680 if (board[fromY][fromX] == WhiteKing &&
7681 board[toY][toX] == WhiteRook) {
7682 board[fromY][fromX] = EmptySquare;
7683 board[toY][toX] = EmptySquare;
7685 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
7687 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
7689 } else if (board[fromY][fromX] == BlackKing &&
7690 board[toY][toX] == BlackRook) {
7691 board[fromY][fromX] = EmptySquare;
7692 board[toY][toX] = EmptySquare;
7694 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
7696 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
7698 /* End of code added by Tord */
7700 } else if (board[fromY][fromX] == king
7701 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7702 && toY == fromY && toX > fromX+1) {
7703 board[fromY][fromX] = EmptySquare;
7704 board[toY][toX] = king;
7705 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7706 board[fromY][BOARD_RGHT-1] = EmptySquare;
7707 } else if (board[fromY][fromX] == king
7708 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7709 && toY == fromY && toX < fromX-1) {
7710 board[fromY][fromX] = EmptySquare;
7711 board[toY][toX] = king;
7712 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7713 board[fromY][BOARD_LEFT] = EmptySquare;
7714 } else if (board[fromY][fromX] == WhitePawn
7715 && toY >= BOARD_HEIGHT-promoRank
7716 && gameInfo.variant != VariantXiangqi
7718 /* white pawn promotion */
7719 board[toY][toX] = CharToPiece(ToUpper(promoChar));
7720 if (board[toY][toX] == EmptySquare) {
7721 board[toY][toX] = WhiteQueen;
7723 if(gameInfo.variant==VariantBughouse ||
7724 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7725 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7726 board[fromY][fromX] = EmptySquare;
7727 } else if ((fromY == BOARD_HEIGHT-4)
7729 && gameInfo.variant != VariantXiangqi
7730 && gameInfo.variant != VariantBerolina
7731 && (board[fromY][fromX] == WhitePawn)
7732 && (board[toY][toX] == EmptySquare)) {
7733 board[fromY][fromX] = EmptySquare;
7734 board[toY][toX] = WhitePawn;
7735 captured = board[toY - 1][toX];
7736 board[toY - 1][toX] = EmptySquare;
7737 } else if ((fromY == BOARD_HEIGHT-4)
7739 && gameInfo.variant == VariantBerolina
7740 && (board[fromY][fromX] == WhitePawn)
7741 && (board[toY][toX] == EmptySquare)) {
7742 board[fromY][fromX] = EmptySquare;
7743 board[toY][toX] = WhitePawn;
7744 if(oldEP & EP_BEROLIN_A) {
7745 captured = board[fromY][fromX-1];
7746 board[fromY][fromX-1] = EmptySquare;
7747 }else{ captured = board[fromY][fromX+1];
7748 board[fromY][fromX+1] = EmptySquare;
7750 } else if (board[fromY][fromX] == king
7751 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7752 && toY == fromY && toX > fromX+1) {
7753 board[fromY][fromX] = EmptySquare;
7754 board[toY][toX] = king;
7755 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7756 board[fromY][BOARD_RGHT-1] = EmptySquare;
7757 } else if (board[fromY][fromX] == king
7758 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7759 && toY == fromY && toX < fromX-1) {
7760 board[fromY][fromX] = EmptySquare;
7761 board[toY][toX] = king;
7762 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7763 board[fromY][BOARD_LEFT] = EmptySquare;
7764 } else if (fromY == 7 && fromX == 3
7765 && board[fromY][fromX] == BlackKing
7766 && toY == 7 && toX == 5) {
7767 board[fromY][fromX] = EmptySquare;
7768 board[toY][toX] = BlackKing;
7769 board[fromY][7] = EmptySquare;
7770 board[toY][4] = BlackRook;
7771 } else if (fromY == 7 && fromX == 3
7772 && board[fromY][fromX] == BlackKing
7773 && toY == 7 && toX == 1) {
7774 board[fromY][fromX] = EmptySquare;
7775 board[toY][toX] = BlackKing;
7776 board[fromY][0] = EmptySquare;
7777 board[toY][2] = BlackRook;
7778 } else if (board[fromY][fromX] == BlackPawn
7780 && gameInfo.variant != VariantXiangqi
7782 /* black pawn promotion */
7783 board[toY][toX] = CharToPiece(ToLower(promoChar));
7784 if (board[toY][toX] == EmptySquare) {
7785 board[toY][toX] = BlackQueen;
7787 if(gameInfo.variant==VariantBughouse ||
7788 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7789 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7790 board[fromY][fromX] = EmptySquare;
7791 } else if ((fromY == 3)
7793 && gameInfo.variant != VariantXiangqi
7794 && gameInfo.variant != VariantBerolina
7795 && (board[fromY][fromX] == BlackPawn)
7796 && (board[toY][toX] == EmptySquare)) {
7797 board[fromY][fromX] = EmptySquare;
7798 board[toY][toX] = BlackPawn;
7799 captured = board[toY + 1][toX];
7800 board[toY + 1][toX] = EmptySquare;
7801 } else if ((fromY == 3)
7803 && gameInfo.variant == VariantBerolina
7804 && (board[fromY][fromX] == BlackPawn)
7805 && (board[toY][toX] == EmptySquare)) {
7806 board[fromY][fromX] = EmptySquare;
7807 board[toY][toX] = BlackPawn;
7808 if(oldEP & EP_BEROLIN_A) {
7809 captured = board[fromY][fromX-1];
7810 board[fromY][fromX-1] = EmptySquare;
7811 }else{ captured = board[fromY][fromX+1];
7812 board[fromY][fromX+1] = EmptySquare;
7815 board[toY][toX] = board[fromY][fromX];
7816 board[fromY][fromX] = EmptySquare;
7819 /* [HGM] now we promote for Shogi, if needed */
7820 if(gameInfo.variant == VariantShogi && promoChar == 'q')
7821 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7824 if (gameInfo.holdingsWidth != 0) {
7826 /* !!A lot more code needs to be written to support holdings */
7827 /* [HGM] OK, so I have written it. Holdings are stored in the */
7828 /* penultimate board files, so they are automaticlly stored */
7829 /* in the game history. */
7830 if (fromY == DROP_RANK) {
7831 /* Delete from holdings, by decreasing count */
7832 /* and erasing image if necessary */
7834 if(p < (int) BlackPawn) { /* white drop */
7835 p -= (int)WhitePawn;
7836 p = PieceToNumber((ChessSquare)p);
7837 if(p >= gameInfo.holdingsSize) p = 0;
7838 if(--board[p][BOARD_WIDTH-2] <= 0)
7839 board[p][BOARD_WIDTH-1] = EmptySquare;
7840 if((int)board[p][BOARD_WIDTH-2] < 0)
7841 board[p][BOARD_WIDTH-2] = 0;
7842 } else { /* black drop */
7843 p -= (int)BlackPawn;
7844 p = PieceToNumber((ChessSquare)p);
7845 if(p >= gameInfo.holdingsSize) p = 0;
7846 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
7847 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
7848 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
7849 board[BOARD_HEIGHT-1-p][1] = 0;
7852 if (captured != EmptySquare && gameInfo.holdingsSize > 0
7853 && gameInfo.variant != VariantBughouse ) {
7854 /* [HGM] holdings: Add to holdings, if holdings exist */
7855 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7856 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
7857 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
7860 if (p >= (int) BlackPawn) {
7861 p -= (int)BlackPawn;
7862 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7863 /* in Shogi restore piece to its original first */
7864 captured = (ChessSquare) (DEMOTED captured);
7867 p = PieceToNumber((ChessSquare)p);
7868 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
7869 board[p][BOARD_WIDTH-2]++;
7870 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
7872 p -= (int)WhitePawn;
7873 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7874 captured = (ChessSquare) (DEMOTED captured);
7877 p = PieceToNumber((ChessSquare)p);
7878 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
7879 board[BOARD_HEIGHT-1-p][1]++;
7880 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
7883 } else if (gameInfo.variant == VariantAtomic) {
7884 if (captured != EmptySquare) {
7886 for (y = toY-1; y <= toY+1; y++) {
7887 for (x = toX-1; x <= toX+1; x++) {
7888 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
7889 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
7890 board[y][x] = EmptySquare;
7894 board[toY][toX] = EmptySquare;
7897 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
7898 /* [HGM] Shogi promotions */
7899 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7902 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7903 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
7904 // [HGM] superchess: take promotion piece out of holdings
7905 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7906 if((int)piece < (int)BlackPawn) { // determine stm from piece color
7907 if(!--board[k][BOARD_WIDTH-2])
7908 board[k][BOARD_WIDTH-1] = EmptySquare;
7910 if(!--board[BOARD_HEIGHT-1-k][1])
7911 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
7917 /* Updates forwardMostMove */
7919 MakeMove(fromX, fromY, toX, toY, promoChar)
7920 int fromX, fromY, toX, toY;
7923 // forwardMostMove++; // [HGM] bare: moved downstream
7925 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
7926 int timeLeft; static int lastLoadFlag=0; int king, piece;
7927 piece = boards[forwardMostMove][fromY][fromX];
7928 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
7929 if(gameInfo.variant == VariantKnightmate)
7930 king += (int) WhiteUnicorn - (int) WhiteKing;
7931 if(forwardMostMove == 0) {
7933 fprintf(serverMoves, "%s;", second.tidy);
7934 fprintf(serverMoves, "%s;", first.tidy);
7935 if(!blackPlaysFirst)
7936 fprintf(serverMoves, "%s;", second.tidy);
7937 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
7938 lastLoadFlag = loadFlag;
7940 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
7941 // print castling suffix
7942 if( toY == fromY && piece == king ) {
7944 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
7946 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
7949 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
7950 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
7951 boards[forwardMostMove][toY][toX] == EmptySquare
7953 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
7955 if(promoChar != NULLCHAR)
7956 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
7958 fprintf(serverMoves, "/%d/%d",
7959 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
7960 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
7961 else timeLeft = blackTimeRemaining/1000;
7962 fprintf(serverMoves, "/%d", timeLeft);
7964 fflush(serverMoves);
7967 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
7968 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
7972 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
7973 if (commentList[forwardMostMove+1] != NULL) {
7974 free(commentList[forwardMostMove+1]);
7975 commentList[forwardMostMove+1] = NULL;
7977 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7978 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
7979 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
7980 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
7981 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7982 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7983 gameInfo.result = GameUnfinished;
7984 if (gameInfo.resultDetails != NULL) {
7985 free(gameInfo.resultDetails);
7986 gameInfo.resultDetails = NULL;
7988 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
7989 moveList[forwardMostMove - 1]);
7990 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
7991 PosFlags(forwardMostMove - 1),
7992 fromY, fromX, toY, toX, promoChar,
7993 parseList[forwardMostMove - 1]);
7994 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8000 if(gameInfo.variant != VariantShogi)
8001 strcat(parseList[forwardMostMove - 1], "+");
8005 strcat(parseList[forwardMostMove - 1], "#");
8008 if (appData.debugMode) {
8009 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8014 /* Updates currentMove if not pausing */
8016 ShowMove(fromX, fromY, toX, toY)
8018 int instant = (gameMode == PlayFromGameFile) ?
8019 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8020 if(appData.noGUI) return;
8021 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8023 if (forwardMostMove == currentMove + 1) {
8024 AnimateMove(boards[forwardMostMove - 1],
8025 fromX, fromY, toX, toY);
8027 if (appData.highlightLastMove) {
8028 SetHighlights(fromX, fromY, toX, toY);
8031 currentMove = forwardMostMove;
8034 if (instant) return;
8036 DisplayMove(currentMove - 1);
8037 DrawPosition(FALSE, boards[currentMove]);
8038 DisplayBothClocks();
8039 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8042 void SendEgtPath(ChessProgramState *cps)
8043 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8044 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8046 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8049 char c, *q = name+1, *r, *s;
8051 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8052 while(*p && *p != ',') *q++ = *p++;
8054 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8055 strcmp(name, ",nalimov:") == 0 ) {
8056 // take nalimov path from the menu-changeable option first, if it is defined
8057 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8058 SendToProgram(buf,cps); // send egtbpath command for nalimov
8060 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8061 (s = StrStr(appData.egtFormats, name)) != NULL) {
8062 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8063 s = r = StrStr(s, ":") + 1; // beginning of path info
8064 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8065 c = *r; *r = 0; // temporarily null-terminate path info
8066 *--q = 0; // strip of trailig ':' from name
8067 sprintf(buf, "egtpath %s %s\n", name+1, s);
8069 SendToProgram(buf,cps); // send egtbpath command for this format
8071 if(*p == ',') p++; // read away comma to position for next format name
8076 InitChessProgram(cps, setup)
8077 ChessProgramState *cps;
8078 int setup; /* [HGM] needed to setup FRC opening position */
8080 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8081 if (appData.noChessProgram) return;
8082 hintRequested = FALSE;
8083 bookRequested = FALSE;
8085 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8086 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8087 if(cps->memSize) { /* [HGM] memory */
8088 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8089 SendToProgram(buf, cps);
8091 SendEgtPath(cps); /* [HGM] EGT */
8092 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8093 sprintf(buf, "cores %d\n", appData.smpCores);
8094 SendToProgram(buf, cps);
8097 SendToProgram(cps->initString, cps);
8098 if (gameInfo.variant != VariantNormal &&
8099 gameInfo.variant != VariantLoadable
8100 /* [HGM] also send variant if board size non-standard */
8101 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8103 char *v = VariantName(gameInfo.variant);
8104 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8105 /* [HGM] in protocol 1 we have to assume all variants valid */
8106 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8107 DisplayFatalError(buf, 0, 1);
8111 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8112 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8113 if( gameInfo.variant == VariantXiangqi )
8114 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8115 if( gameInfo.variant == VariantShogi )
8116 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8117 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8118 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8119 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8120 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8121 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8122 if( gameInfo.variant == VariantCourier )
8123 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8124 if( gameInfo.variant == VariantSuper )
8125 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8126 if( gameInfo.variant == VariantGreat )
8127 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8130 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8131 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8132 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8133 if(StrStr(cps->variants, b) == NULL) {
8134 // specific sized variant not known, check if general sizing allowed
8135 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8136 if(StrStr(cps->variants, "boardsize") == NULL) {
8137 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8138 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8139 DisplayFatalError(buf, 0, 1);
8142 /* [HGM] here we really should compare with the maximum supported board size */
8145 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8146 sprintf(buf, "variant %s\n", b);
8147 SendToProgram(buf, cps);
8149 currentlyInitializedVariant = gameInfo.variant;
8151 /* [HGM] send opening position in FRC to first engine */
8153 SendToProgram("force\n", cps);
8155 /* engine is now in force mode! Set flag to wake it up after first move. */
8156 setboardSpoiledMachineBlack = 1;
8160 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8161 SendToProgram(buf, cps);
8163 cps->maybeThinking = FALSE;
8164 cps->offeredDraw = 0;
8165 if (!appData.icsActive) {
8166 SendTimeControl(cps, movesPerSession, timeControl,
8167 timeIncrement, appData.searchDepth,
8170 if (appData.showThinking
8171 // [HGM] thinking: four options require thinking output to be sent
8172 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8174 SendToProgram("post\n", cps);
8176 SendToProgram("hard\n", cps);
8177 if (!appData.ponderNextMove) {
8178 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8179 it without being sure what state we are in first. "hard"
8180 is not a toggle, so that one is OK.
8182 SendToProgram("easy\n", cps);
8185 sprintf(buf, "ping %d\n", ++cps->lastPing);
8186 SendToProgram(buf, cps);
8188 cps->initDone = TRUE;
8193 StartChessProgram(cps)
8194 ChessProgramState *cps;
8199 if (appData.noChessProgram) return;
8200 cps->initDone = FALSE;
8202 if (strcmp(cps->host, "localhost") == 0) {
8203 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8204 } else if (*appData.remoteShell == NULLCHAR) {
8205 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8207 if (*appData.remoteUser == NULLCHAR) {
8208 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8211 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8212 cps->host, appData.remoteUser, cps->program);
8214 err = StartChildProcess(buf, "", &cps->pr);
8218 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8219 DisplayFatalError(buf, err, 1);
8225 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8226 if (cps->protocolVersion > 1) {
8227 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8228 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8229 cps->comboCnt = 0; // and values of combo boxes
8230 SendToProgram(buf, cps);
8232 SendToProgram("xboard\n", cps);
8238 TwoMachinesEventIfReady P((void))
8240 if (first.lastPing != first.lastPong) {
8241 DisplayMessage("", _("Waiting for first chess program"));
8242 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8245 if (second.lastPing != second.lastPong) {
8246 DisplayMessage("", _("Waiting for second chess program"));
8247 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8255 NextMatchGame P((void))
8257 int index; /* [HGM] autoinc: step load index during match */
8259 if (*appData.loadGameFile != NULLCHAR) {
8260 index = appData.loadGameIndex;
8261 if(index < 0) { // [HGM] autoinc
8262 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8263 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8265 LoadGameFromFile(appData.loadGameFile,
8267 appData.loadGameFile, FALSE);
8268 } else if (*appData.loadPositionFile != NULLCHAR) {
8269 index = appData.loadPositionIndex;
8270 if(index < 0) { // [HGM] autoinc
8271 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8272 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8274 LoadPositionFromFile(appData.loadPositionFile,
8276 appData.loadPositionFile);
8278 TwoMachinesEventIfReady();
8281 void UserAdjudicationEvent( int result )
8283 ChessMove gameResult = GameIsDrawn;
8286 gameResult = WhiteWins;
8288 else if( result < 0 ) {
8289 gameResult = BlackWins;
8292 if( gameMode == TwoMachinesPlay ) {
8293 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8298 // [HGM] save: calculate checksum of game to make games easily identifiable
8299 int StringCheckSum(char *s)
8302 if(s==NULL) return 0;
8303 while(*s) i = i*259 + *s++;
8310 for(i=backwardMostMove; i<forwardMostMove; i++) {
8311 sum += pvInfoList[i].depth;
8312 sum += StringCheckSum(parseList[i]);
8313 sum += StringCheckSum(commentList[i]);
8316 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8317 return sum + StringCheckSum(commentList[i]);
8318 } // end of save patch
8321 GameEnds(result, resultDetails, whosays)
8323 char *resultDetails;
8326 GameMode nextGameMode;
8330 if(endingGame) return; /* [HGM] crash: forbid recursion */
8333 if (appData.debugMode) {
8334 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8335 result, resultDetails ? resultDetails : "(null)", whosays);
8338 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8339 /* If we are playing on ICS, the server decides when the
8340 game is over, but the engine can offer to draw, claim
8344 if (appData.zippyPlay && first.initDone) {
8345 if (result == GameIsDrawn) {
8346 /* In case draw still needs to be claimed */
8347 SendToICS(ics_prefix);
8348 SendToICS("draw\n");
8349 } else if (StrCaseStr(resultDetails, "resign")) {
8350 SendToICS(ics_prefix);
8351 SendToICS("resign\n");
8355 endingGame = 0; /* [HGM] crash */
8359 /* If we're loading the game from a file, stop */
8360 if (whosays == GE_FILE) {
8361 (void) StopLoadGameTimer();
8365 /* Cancel draw offers */
8366 first.offeredDraw = second.offeredDraw = 0;
8368 /* If this is an ICS game, only ICS can really say it's done;
8369 if not, anyone can. */
8370 isIcsGame = (gameMode == IcsPlayingWhite ||
8371 gameMode == IcsPlayingBlack ||
8372 gameMode == IcsObserving ||
8373 gameMode == IcsExamining);
8375 if (!isIcsGame || whosays == GE_ICS) {
8376 /* OK -- not an ICS game, or ICS said it was done */
8378 if (!isIcsGame && !appData.noChessProgram)
8379 SetUserThinkingEnables();
8381 /* [HGM] if a machine claims the game end we verify this claim */
8382 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8383 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8385 ChessMove trueResult = (ChessMove) -1;
8387 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8388 first.twoMachinesColor[0] :
8389 second.twoMachinesColor[0] ;
8391 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8392 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8393 /* [HGM] verify: engine mate claims accepted if they were flagged */
8394 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8396 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8397 /* [HGM] verify: engine mate claims accepted if they were flagged */
8398 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8400 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8401 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8404 // now verify win claims, but not in drop games, as we don't understand those yet
8405 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8406 || gameInfo.variant == VariantGreat) &&
8407 (result == WhiteWins && claimer == 'w' ||
8408 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8409 if (appData.debugMode) {
8410 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8411 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8413 if(result != trueResult) {
8414 sprintf(buf, "False win claim: '%s'", resultDetails);
8415 result = claimer == 'w' ? BlackWins : WhiteWins;
8416 resultDetails = buf;
8419 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8420 && (forwardMostMove <= backwardMostMove ||
8421 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8422 (claimer=='b')==(forwardMostMove&1))
8424 /* [HGM] verify: draws that were not flagged are false claims */
8425 sprintf(buf, "False draw claim: '%s'", resultDetails);
8426 result = claimer == 'w' ? BlackWins : WhiteWins;
8427 resultDetails = buf;
8429 /* (Claiming a loss is accepted no questions asked!) */
8431 /* [HGM] bare: don't allow bare King to win */
8432 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8433 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8434 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8435 && result != GameIsDrawn)
8436 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8437 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8438 int p = (signed char)boards[forwardMostMove][i][j] - color;
8439 if(p >= 0 && p <= (int)WhiteKing) k++;
8441 if (appData.debugMode) {
8442 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8443 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8446 result = GameIsDrawn;
8447 sprintf(buf, "%s but bare king", resultDetails);
8448 resultDetails = buf;
8454 if(serverMoves != NULL && !loadFlag) { char c = '=';
8455 if(result==WhiteWins) c = '+';
8456 if(result==BlackWins) c = '-';
8457 if(resultDetails != NULL)
8458 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8460 if (resultDetails != NULL) {
8461 gameInfo.result = result;
8462 gameInfo.resultDetails = StrSave(resultDetails);
8464 /* display last move only if game was not loaded from file */
8465 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8466 DisplayMove(currentMove - 1);
8468 if (forwardMostMove != 0) {
8469 if (gameMode != PlayFromGameFile && gameMode != EditGame
8470 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8472 if (*appData.saveGameFile != NULLCHAR) {
8473 SaveGameToFile(appData.saveGameFile, TRUE);
8474 } else if (appData.autoSaveGames) {
8477 if (*appData.savePositionFile != NULLCHAR) {
8478 SavePositionToFile(appData.savePositionFile);
8483 /* Tell program how game ended in case it is learning */
8484 /* [HGM] Moved this to after saving the PGN, just in case */
8485 /* engine died and we got here through time loss. In that */
8486 /* case we will get a fatal error writing the pipe, which */
8487 /* would otherwise lose us the PGN. */
8488 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8489 /* output during GameEnds should never be fatal anymore */
8490 if (gameMode == MachinePlaysWhite ||
8491 gameMode == MachinePlaysBlack ||
8492 gameMode == TwoMachinesPlay ||
8493 gameMode == IcsPlayingWhite ||
8494 gameMode == IcsPlayingBlack ||
8495 gameMode == BeginningOfGame) {
8497 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8499 if (first.pr != NoProc) {
8500 SendToProgram(buf, &first);
8502 if (second.pr != NoProc &&
8503 gameMode == TwoMachinesPlay) {
8504 SendToProgram(buf, &second);
8509 if (appData.icsActive) {
8510 if (appData.quietPlay &&
8511 (gameMode == IcsPlayingWhite ||
8512 gameMode == IcsPlayingBlack)) {
8513 SendToICS(ics_prefix);
8514 SendToICS("set shout 1\n");
8516 nextGameMode = IcsIdle;
8517 ics_user_moved = FALSE;
8518 /* clean up premove. It's ugly when the game has ended and the
8519 * premove highlights are still on the board.
8523 ClearPremoveHighlights();
8524 DrawPosition(FALSE, boards[currentMove]);
8526 if (whosays == GE_ICS) {
8529 if (gameMode == IcsPlayingWhite)
8531 else if(gameMode == IcsPlayingBlack)
8535 if (gameMode == IcsPlayingBlack)
8537 else if(gameMode == IcsPlayingWhite)
8544 PlayIcsUnfinishedSound();
8547 } else if (gameMode == EditGame ||
8548 gameMode == PlayFromGameFile ||
8549 gameMode == AnalyzeMode ||
8550 gameMode == AnalyzeFile) {
8551 nextGameMode = gameMode;
8553 nextGameMode = EndOfGame;
8558 nextGameMode = gameMode;
8561 if (appData.noChessProgram) {
8562 gameMode = nextGameMode;
8564 endingGame = 0; /* [HGM] crash */
8569 /* Put first chess program into idle state */
8570 if (first.pr != NoProc &&
8571 (gameMode == MachinePlaysWhite ||
8572 gameMode == MachinePlaysBlack ||
8573 gameMode == TwoMachinesPlay ||
8574 gameMode == IcsPlayingWhite ||
8575 gameMode == IcsPlayingBlack ||
8576 gameMode == BeginningOfGame)) {
8577 SendToProgram("force\n", &first);
8578 if (first.usePing) {
8580 sprintf(buf, "ping %d\n", ++first.lastPing);
8581 SendToProgram(buf, &first);
8584 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8585 /* Kill off first chess program */
8586 if (first.isr != NULL)
8587 RemoveInputSource(first.isr);
8590 if (first.pr != NoProc) {
8592 DoSleep( appData.delayBeforeQuit );
8593 SendToProgram("quit\n", &first);
8594 DoSleep( appData.delayAfterQuit );
8595 DestroyChildProcess(first.pr, first.useSigterm);
8600 /* Put second chess program into idle state */
8601 if (second.pr != NoProc &&
8602 gameMode == TwoMachinesPlay) {
8603 SendToProgram("force\n", &second);
8604 if (second.usePing) {
8606 sprintf(buf, "ping %d\n", ++second.lastPing);
8607 SendToProgram(buf, &second);
8610 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8611 /* Kill off second chess program */
8612 if (second.isr != NULL)
8613 RemoveInputSource(second.isr);
8616 if (second.pr != NoProc) {
8617 DoSleep( appData.delayBeforeQuit );
8618 SendToProgram("quit\n", &second);
8619 DoSleep( appData.delayAfterQuit );
8620 DestroyChildProcess(second.pr, second.useSigterm);
8625 if (matchMode && gameMode == TwoMachinesPlay) {
8628 if (first.twoMachinesColor[0] == 'w') {
8635 if (first.twoMachinesColor[0] == 'b') {
8644 if (matchGame < appData.matchGames) {
8646 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8647 tmp = first.twoMachinesColor;
8648 first.twoMachinesColor = second.twoMachinesColor;
8649 second.twoMachinesColor = tmp;
8651 gameMode = nextGameMode;
8653 if(appData.matchPause>10000 || appData.matchPause<10)
8654 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8655 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8656 endingGame = 0; /* [HGM] crash */
8660 gameMode = nextGameMode;
8661 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8662 first.tidy, second.tidy,
8663 first.matchWins, second.matchWins,
8664 appData.matchGames - (first.matchWins + second.matchWins));
8665 DisplayFatalError(buf, 0, 0);
8668 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8669 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8671 gameMode = nextGameMode;
8673 endingGame = 0; /* [HGM] crash */
8676 /* Assumes program was just initialized (initString sent).
8677 Leaves program in force mode. */
8679 FeedMovesToProgram(cps, upto)
8680 ChessProgramState *cps;
8685 if (appData.debugMode)
8686 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
8687 startedFromSetupPosition ? "position and " : "",
8688 backwardMostMove, upto, cps->which);
8689 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
8690 // [HGM] variantswitch: make engine aware of new variant
8691 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
8692 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
8693 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
8694 SendToProgram(buf, cps);
8695 currentlyInitializedVariant = gameInfo.variant;
8697 SendToProgram("force\n", cps);
8698 if (startedFromSetupPosition) {
8699 SendBoard(cps, backwardMostMove);
8700 if (appData.debugMode) {
8701 fprintf(debugFP, "feedMoves\n");
8704 for (i = backwardMostMove; i < upto; i++) {
8705 SendMoveToProgram(i, cps);
8711 ResurrectChessProgram()
8713 /* The chess program may have exited.
8714 If so, restart it and feed it all the moves made so far. */
8716 if (appData.noChessProgram || first.pr != NoProc) return;
8718 StartChessProgram(&first);
8719 InitChessProgram(&first, FALSE);
8720 FeedMovesToProgram(&first, currentMove);
8722 if (!first.sendTime) {
8723 /* can't tell gnuchess what its clock should read,
8724 so we bow to its notion. */
8726 timeRemaining[0][currentMove] = whiteTimeRemaining;
8727 timeRemaining[1][currentMove] = blackTimeRemaining;
8730 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
8731 appData.icsEngineAnalyze) && first.analysisSupport) {
8732 SendToProgram("analyze\n", &first);
8733 first.analyzing = TRUE;
8746 if (appData.debugMode) {
8747 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
8748 redraw, init, gameMode);
8750 CleanupTail(); // [HGM] vari: delete any stored variations
8751 pausing = pauseExamInvalid = FALSE;
8752 startedFromSetupPosition = blackPlaysFirst = FALSE;
8754 whiteFlag = blackFlag = FALSE;
8755 userOfferedDraw = FALSE;
8756 hintRequested = bookRequested = FALSE;
8757 first.maybeThinking = FALSE;
8758 second.maybeThinking = FALSE;
8759 first.bookSuspend = FALSE; // [HGM] book
8760 second.bookSuspend = FALSE;
8761 thinkOutput[0] = NULLCHAR;
8762 lastHint[0] = NULLCHAR;
8763 ClearGameInfo(&gameInfo);
8764 gameInfo.variant = StringToVariant(appData.variant);
8765 ics_user_moved = ics_clock_paused = FALSE;
8766 ics_getting_history = H_FALSE;
8768 white_holding[0] = black_holding[0] = NULLCHAR;
8769 ClearProgramStats();
8770 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
8774 flipView = appData.flipView;
8775 ClearPremoveHighlights();
8777 alarmSounded = FALSE;
8779 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8780 if(appData.serverMovesName != NULL) {
8781 /* [HGM] prepare to make moves file for broadcasting */
8782 clock_t t = clock();
8783 if(serverMoves != NULL) fclose(serverMoves);
8784 serverMoves = fopen(appData.serverMovesName, "r");
8785 if(serverMoves != NULL) {
8786 fclose(serverMoves);
8787 /* delay 15 sec before overwriting, so all clients can see end */
8788 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
8790 serverMoves = fopen(appData.serverMovesName, "w");
8794 gameMode = BeginningOfGame;
8796 if(appData.icsActive) gameInfo.variant = VariantNormal;
8797 currentMove = forwardMostMove = backwardMostMove = 0;
8798 InitPosition(redraw);
8799 for (i = 0; i < MAX_MOVES; i++) {
8800 if (commentList[i] != NULL) {
8801 free(commentList[i]);
8802 commentList[i] = NULL;
8806 timeRemaining[0][0] = whiteTimeRemaining;
8807 timeRemaining[1][0] = blackTimeRemaining;
8808 if (first.pr == NULL) {
8809 StartChessProgram(&first);
8812 InitChessProgram(&first, startedFromSetupPosition);
8815 DisplayMessage("", "");
8816 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
8817 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
8824 if (!AutoPlayOneMove())
8826 if (matchMode || appData.timeDelay == 0)
8828 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
8830 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
8839 int fromX, fromY, toX, toY;
8841 if (appData.debugMode) {
8842 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
8845 if (gameMode != PlayFromGameFile)
8848 if (currentMove >= forwardMostMove) {
8849 gameMode = EditGame;
8852 /* [AS] Clear current move marker at the end of a game */
8853 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
8858 toX = moveList[currentMove][2] - AAA;
8859 toY = moveList[currentMove][3] - ONE;
8861 if (moveList[currentMove][1] == '@') {
8862 if (appData.highlightLastMove) {
8863 SetHighlights(-1, -1, toX, toY);
8866 fromX = moveList[currentMove][0] - AAA;
8867 fromY = moveList[currentMove][1] - ONE;
8869 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
8871 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8873 if (appData.highlightLastMove) {
8874 SetHighlights(fromX, fromY, toX, toY);
8877 DisplayMove(currentMove);
8878 SendMoveToProgram(currentMove++, &first);
8879 DisplayBothClocks();
8880 DrawPosition(FALSE, boards[currentMove]);
8881 // [HGM] PV info: always display, routine tests if empty
8882 DisplayComment(currentMove - 1, commentList[currentMove]);
8888 LoadGameOneMove(readAhead)
8889 ChessMove readAhead;
8891 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
8892 char promoChar = NULLCHAR;
8897 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
8898 gameMode != AnalyzeMode && gameMode != Training) {
8903 yyboardindex = forwardMostMove;
8904 if (readAhead != (ChessMove)0) {
8905 moveType = readAhead;
8907 if (gameFileFP == NULL)
8909 moveType = (ChessMove) yylex();
8915 if (appData.debugMode)
8916 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8919 /* append the comment but don't display it */
8920 AppendComment(currentMove, p, FALSE);
8923 case WhiteCapturesEnPassant:
8924 case BlackCapturesEnPassant:
8925 case WhitePromotionChancellor:
8926 case BlackPromotionChancellor:
8927 case WhitePromotionArchbishop:
8928 case BlackPromotionArchbishop:
8929 case WhitePromotionCentaur:
8930 case BlackPromotionCentaur:
8931 case WhitePromotionQueen:
8932 case BlackPromotionQueen:
8933 case WhitePromotionRook:
8934 case BlackPromotionRook:
8935 case WhitePromotionBishop:
8936 case BlackPromotionBishop:
8937 case WhitePromotionKnight:
8938 case BlackPromotionKnight:
8939 case WhitePromotionKing:
8940 case BlackPromotionKing:
8942 case WhiteKingSideCastle:
8943 case WhiteQueenSideCastle:
8944 case BlackKingSideCastle:
8945 case BlackQueenSideCastle:
8946 case WhiteKingSideCastleWild:
8947 case WhiteQueenSideCastleWild:
8948 case BlackKingSideCastleWild:
8949 case BlackQueenSideCastleWild:
8951 case WhiteHSideCastleFR:
8952 case WhiteASideCastleFR:
8953 case BlackHSideCastleFR:
8954 case BlackASideCastleFR:
8956 if (appData.debugMode)
8957 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8958 fromX = currentMoveString[0] - AAA;
8959 fromY = currentMoveString[1] - ONE;
8960 toX = currentMoveString[2] - AAA;
8961 toY = currentMoveString[3] - ONE;
8962 promoChar = currentMoveString[4];
8967 if (appData.debugMode)
8968 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8969 fromX = moveType == WhiteDrop ?
8970 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8971 (int) CharToPiece(ToLower(currentMoveString[0]));
8973 toX = currentMoveString[2] - AAA;
8974 toY = currentMoveString[3] - ONE;
8980 case GameUnfinished:
8981 if (appData.debugMode)
8982 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
8983 p = strchr(yy_text, '{');
8984 if (p == NULL) p = strchr(yy_text, '(');
8987 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8989 q = strchr(p, *p == '{' ? '}' : ')');
8990 if (q != NULL) *q = NULLCHAR;
8993 GameEnds(moveType, p, GE_FILE);
8995 if (cmailMsgLoaded) {
8997 flipView = WhiteOnMove(currentMove);
8998 if (moveType == GameUnfinished) flipView = !flipView;
8999 if (appData.debugMode)
9000 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9004 case (ChessMove) 0: /* end of file */
9005 if (appData.debugMode)
9006 fprintf(debugFP, "Parser hit end of file\n");
9007 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9013 if (WhiteOnMove(currentMove)) {
9014 GameEnds(BlackWins, "Black mates", GE_FILE);
9016 GameEnds(WhiteWins, "White mates", GE_FILE);
9020 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9027 if (lastLoadGameStart == GNUChessGame) {
9028 /* GNUChessGames have numbers, but they aren't move numbers */
9029 if (appData.debugMode)
9030 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9031 yy_text, (int) moveType);
9032 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9034 /* else fall thru */
9039 /* Reached start of next game in file */
9040 if (appData.debugMode)
9041 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9042 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9048 if (WhiteOnMove(currentMove)) {
9049 GameEnds(BlackWins, "Black mates", GE_FILE);
9051 GameEnds(WhiteWins, "White mates", GE_FILE);
9055 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9061 case PositionDiagram: /* should not happen; ignore */
9062 case ElapsedTime: /* ignore */
9063 case NAG: /* ignore */
9064 if (appData.debugMode)
9065 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9066 yy_text, (int) moveType);
9067 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9070 if (appData.testLegality) {
9071 if (appData.debugMode)
9072 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9073 sprintf(move, _("Illegal move: %d.%s%s"),
9074 (forwardMostMove / 2) + 1,
9075 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9076 DisplayError(move, 0);
9079 if (appData.debugMode)
9080 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9081 yy_text, currentMoveString);
9082 fromX = currentMoveString[0] - AAA;
9083 fromY = currentMoveString[1] - ONE;
9084 toX = currentMoveString[2] - AAA;
9085 toY = currentMoveString[3] - ONE;
9086 promoChar = currentMoveString[4];
9091 if (appData.debugMode)
9092 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9093 sprintf(move, _("Ambiguous move: %d.%s%s"),
9094 (forwardMostMove / 2) + 1,
9095 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9096 DisplayError(move, 0);
9101 case ImpossibleMove:
9102 if (appData.debugMode)
9103 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9104 sprintf(move, _("Illegal move: %d.%s%s"),
9105 (forwardMostMove / 2) + 1,
9106 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9107 DisplayError(move, 0);
9113 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9114 DrawPosition(FALSE, boards[currentMove]);
9115 DisplayBothClocks();
9116 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9117 DisplayComment(currentMove - 1, commentList[currentMove]);
9119 (void) StopLoadGameTimer();
9121 cmailOldMove = forwardMostMove;
9124 /* currentMoveString is set as a side-effect of yylex */
9125 strcat(currentMoveString, "\n");
9126 strcpy(moveList[forwardMostMove], currentMoveString);
9128 thinkOutput[0] = NULLCHAR;
9129 MakeMove(fromX, fromY, toX, toY, promoChar);
9130 currentMove = forwardMostMove;
9135 /* Load the nth game from the given file */
9137 LoadGameFromFile(filename, n, title, useList)
9141 /*Boolean*/ int useList;
9146 if (strcmp(filename, "-") == 0) {
9150 f = fopen(filename, "rb");
9152 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9153 DisplayError(buf, errno);
9157 if (fseek(f, 0, 0) == -1) {
9158 /* f is not seekable; probably a pipe */
9161 if (useList && n == 0) {
9162 int error = GameListBuild(f);
9164 DisplayError(_("Cannot build game list"), error);
9165 } else if (!ListEmpty(&gameList) &&
9166 ((ListGame *) gameList.tailPred)->number > 1) {
9167 GameListPopUp(f, title);
9174 return LoadGame(f, n, title, FALSE);
9179 MakeRegisteredMove()
9181 int fromX, fromY, toX, toY;
9183 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9184 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9187 if (appData.debugMode)
9188 fprintf(debugFP, "Restoring %s for game %d\n",
9189 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9191 thinkOutput[0] = NULLCHAR;
9192 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9193 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9194 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9195 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9196 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9197 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9198 MakeMove(fromX, fromY, toX, toY, promoChar);
9199 ShowMove(fromX, fromY, toX, toY);
9201 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9208 if (WhiteOnMove(currentMove)) {
9209 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9211 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9216 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9223 if (WhiteOnMove(currentMove)) {
9224 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9226 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9231 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9242 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9244 CmailLoadGame(f, gameNumber, title, useList)
9252 if (gameNumber > nCmailGames) {
9253 DisplayError(_("No more games in this message"), 0);
9256 if (f == lastLoadGameFP) {
9257 int offset = gameNumber - lastLoadGameNumber;
9259 cmailMsg[0] = NULLCHAR;
9260 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9261 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9262 nCmailMovesRegistered--;
9264 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9265 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9266 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9269 if (! RegisterMove()) return FALSE;
9273 retVal = LoadGame(f, gameNumber, title, useList);
9275 /* Make move registered during previous look at this game, if any */
9276 MakeRegisteredMove();
9278 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9279 commentList[currentMove]
9280 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9281 DisplayComment(currentMove - 1, commentList[currentMove]);
9287 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9292 int gameNumber = lastLoadGameNumber + offset;
9293 if (lastLoadGameFP == NULL) {
9294 DisplayError(_("No game has been loaded yet"), 0);
9297 if (gameNumber <= 0) {
9298 DisplayError(_("Can't back up any further"), 0);
9301 if (cmailMsgLoaded) {
9302 return CmailLoadGame(lastLoadGameFP, gameNumber,
9303 lastLoadGameTitle, lastLoadGameUseList);
9305 return LoadGame(lastLoadGameFP, gameNumber,
9306 lastLoadGameTitle, lastLoadGameUseList);
9312 /* Load the nth game from open file f */
9314 LoadGame(f, gameNumber, title, useList)
9322 int gn = gameNumber;
9323 ListGame *lg = NULL;
9326 GameMode oldGameMode;
9327 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9329 if (appData.debugMode)
9330 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9332 if (gameMode == Training )
9333 SetTrainingModeOff();
9335 oldGameMode = gameMode;
9336 if (gameMode != BeginningOfGame) {
9341 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9342 fclose(lastLoadGameFP);
9346 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9349 fseek(f, lg->offset, 0);
9350 GameListHighlight(gameNumber);
9354 DisplayError(_("Game number out of range"), 0);
9359 if (fseek(f, 0, 0) == -1) {
9360 if (f == lastLoadGameFP ?
9361 gameNumber == lastLoadGameNumber + 1 :
9365 DisplayError(_("Can't seek on game file"), 0);
9371 lastLoadGameNumber = gameNumber;
9372 strcpy(lastLoadGameTitle, title);
9373 lastLoadGameUseList = useList;
9377 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9378 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9379 lg->gameInfo.black);
9381 } else if (*title != NULLCHAR) {
9382 if (gameNumber > 1) {
9383 sprintf(buf, "%s %d", title, gameNumber);
9386 DisplayTitle(title);
9390 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9391 gameMode = PlayFromGameFile;
9395 currentMove = forwardMostMove = backwardMostMove = 0;
9396 CopyBoard(boards[0], initialPosition);
9400 * Skip the first gn-1 games in the file.
9401 * Also skip over anything that precedes an identifiable
9402 * start of game marker, to avoid being confused by
9403 * garbage at the start of the file. Currently
9404 * recognized start of game markers are the move number "1",
9405 * the pattern "gnuchess .* game", the pattern
9406 * "^[#;%] [^ ]* game file", and a PGN tag block.
9407 * A game that starts with one of the latter two patterns
9408 * will also have a move number 1, possibly
9409 * following a position diagram.
9410 * 5-4-02: Let's try being more lenient and allowing a game to
9411 * start with an unnumbered move. Does that break anything?
9413 cm = lastLoadGameStart = (ChessMove) 0;
9415 yyboardindex = forwardMostMove;
9416 cm = (ChessMove) yylex();
9419 if (cmailMsgLoaded) {
9420 nCmailGames = CMAIL_MAX_GAMES - gn;
9423 DisplayError(_("Game not found in file"), 0);
9430 lastLoadGameStart = cm;
9434 switch (lastLoadGameStart) {
9441 gn--; /* count this game */
9442 lastLoadGameStart = cm;
9451 switch (lastLoadGameStart) {
9456 gn--; /* count this game */
9457 lastLoadGameStart = cm;
9460 lastLoadGameStart = cm; /* game counted already */
9468 yyboardindex = forwardMostMove;
9469 cm = (ChessMove) yylex();
9470 } while (cm == PGNTag || cm == Comment);
9477 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9478 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9479 != CMAIL_OLD_RESULT) {
9481 cmailResult[ CMAIL_MAX_GAMES
9482 - gn - 1] = CMAIL_OLD_RESULT;
9488 /* Only a NormalMove can be at the start of a game
9489 * without a position diagram. */
9490 if (lastLoadGameStart == (ChessMove) 0) {
9492 lastLoadGameStart = MoveNumberOne;
9501 if (appData.debugMode)
9502 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9504 if (cm == XBoardGame) {
9505 /* Skip any header junk before position diagram and/or move 1 */
9507 yyboardindex = forwardMostMove;
9508 cm = (ChessMove) yylex();
9510 if (cm == (ChessMove) 0 ||
9511 cm == GNUChessGame || cm == XBoardGame) {
9512 /* Empty game; pretend end-of-file and handle later */
9517 if (cm == MoveNumberOne || cm == PositionDiagram ||
9518 cm == PGNTag || cm == Comment)
9521 } else if (cm == GNUChessGame) {
9522 if (gameInfo.event != NULL) {
9523 free(gameInfo.event);
9525 gameInfo.event = StrSave(yy_text);
9528 startedFromSetupPosition = FALSE;
9529 while (cm == PGNTag) {
9530 if (appData.debugMode)
9531 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9532 err = ParsePGNTag(yy_text, &gameInfo);
9533 if (!err) numPGNTags++;
9535 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9536 if(gameInfo.variant != oldVariant) {
9537 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9539 oldVariant = gameInfo.variant;
9540 if (appData.debugMode)
9541 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9545 if (gameInfo.fen != NULL) {
9546 Board initial_position;
9547 startedFromSetupPosition = TRUE;
9548 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9550 DisplayError(_("Bad FEN position in file"), 0);
9553 CopyBoard(boards[0], initial_position);
9554 if (blackPlaysFirst) {
9555 currentMove = forwardMostMove = backwardMostMove = 1;
9556 CopyBoard(boards[1], initial_position);
9557 strcpy(moveList[0], "");
9558 strcpy(parseList[0], "");
9559 timeRemaining[0][1] = whiteTimeRemaining;
9560 timeRemaining[1][1] = blackTimeRemaining;
9561 if (commentList[0] != NULL) {
9562 commentList[1] = commentList[0];
9563 commentList[0] = NULL;
9566 currentMove = forwardMostMove = backwardMostMove = 0;
9568 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9570 initialRulePlies = FENrulePlies;
9571 for( i=0; i< nrCastlingRights; i++ )
9572 initialRights[i] = initial_position[CASTLING][i];
9574 yyboardindex = forwardMostMove;
9576 gameInfo.fen = NULL;
9579 yyboardindex = forwardMostMove;
9580 cm = (ChessMove) yylex();
9582 /* Handle comments interspersed among the tags */
9583 while (cm == Comment) {
9585 if (appData.debugMode)
9586 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9588 AppendComment(currentMove, p, FALSE);
9589 yyboardindex = forwardMostMove;
9590 cm = (ChessMove) yylex();
9594 /* don't rely on existence of Event tag since if game was
9595 * pasted from clipboard the Event tag may not exist
9597 if (numPGNTags > 0){
9599 if (gameInfo.variant == VariantNormal) {
9600 gameInfo.variant = StringToVariant(gameInfo.event);
9603 if( appData.autoDisplayTags ) {
9604 tags = PGNTags(&gameInfo);
9605 TagsPopUp(tags, CmailMsg());
9610 /* Make something up, but don't display it now */
9615 if (cm == PositionDiagram) {
9618 Board initial_position;
9620 if (appData.debugMode)
9621 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9623 if (!startedFromSetupPosition) {
9625 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9626 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9636 initial_position[i][j++] = CharToPiece(*p);
9639 while (*p == ' ' || *p == '\t' ||
9640 *p == '\n' || *p == '\r') p++;
9642 if (strncmp(p, "black", strlen("black"))==0)
9643 blackPlaysFirst = TRUE;
9645 blackPlaysFirst = FALSE;
9646 startedFromSetupPosition = TRUE;
9648 CopyBoard(boards[0], initial_position);
9649 if (blackPlaysFirst) {
9650 currentMove = forwardMostMove = backwardMostMove = 1;
9651 CopyBoard(boards[1], initial_position);
9652 strcpy(moveList[0], "");
9653 strcpy(parseList[0], "");
9654 timeRemaining[0][1] = whiteTimeRemaining;
9655 timeRemaining[1][1] = blackTimeRemaining;
9656 if (commentList[0] != NULL) {
9657 commentList[1] = commentList[0];
9658 commentList[0] = NULL;
9661 currentMove = forwardMostMove = backwardMostMove = 0;
9664 yyboardindex = forwardMostMove;
9665 cm = (ChessMove) yylex();
9668 if (first.pr == NoProc) {
9669 StartChessProgram(&first);
9671 InitChessProgram(&first, FALSE);
9672 SendToProgram("force\n", &first);
9673 if (startedFromSetupPosition) {
9674 SendBoard(&first, forwardMostMove);
9675 if (appData.debugMode) {
9676 fprintf(debugFP, "Load Game\n");
9678 DisplayBothClocks();
9681 /* [HGM] server: flag to write setup moves in broadcast file as one */
9682 loadFlag = appData.suppressLoadMoves;
9684 while (cm == Comment) {
9686 if (appData.debugMode)
9687 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9689 AppendComment(currentMove, p, FALSE);
9690 yyboardindex = forwardMostMove;
9691 cm = (ChessMove) yylex();
9694 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
9695 cm == WhiteWins || cm == BlackWins ||
9696 cm == GameIsDrawn || cm == GameUnfinished) {
9697 DisplayMessage("", _("No moves in game"));
9698 if (cmailMsgLoaded) {
9699 if (appData.debugMode)
9700 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
9704 DrawPosition(FALSE, boards[currentMove]);
9705 DisplayBothClocks();
9706 gameMode = EditGame;
9713 // [HGM] PV info: routine tests if comment empty
9714 if (!matchMode && (pausing || appData.timeDelay != 0)) {
9715 DisplayComment(currentMove - 1, commentList[currentMove]);
9717 if (!matchMode && appData.timeDelay != 0)
9718 DrawPosition(FALSE, boards[currentMove]);
9720 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
9721 programStats.ok_to_send = 1;
9724 /* if the first token after the PGN tags is a move
9725 * and not move number 1, retrieve it from the parser
9727 if (cm != MoveNumberOne)
9728 LoadGameOneMove(cm);
9730 /* load the remaining moves from the file */
9731 while (LoadGameOneMove((ChessMove)0)) {
9732 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9733 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9736 /* rewind to the start of the game */
9737 currentMove = backwardMostMove;
9739 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9741 if (oldGameMode == AnalyzeFile ||
9742 oldGameMode == AnalyzeMode) {
9746 if (matchMode || appData.timeDelay == 0) {
9748 gameMode = EditGame;
9750 } else if (appData.timeDelay > 0) {
9754 if (appData.debugMode)
9755 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
9757 loadFlag = 0; /* [HGM] true game starts */
9761 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
9763 ReloadPosition(offset)
9766 int positionNumber = lastLoadPositionNumber + offset;
9767 if (lastLoadPositionFP == NULL) {
9768 DisplayError(_("No position has been loaded yet"), 0);
9771 if (positionNumber <= 0) {
9772 DisplayError(_("Can't back up any further"), 0);
9775 return LoadPosition(lastLoadPositionFP, positionNumber,
9776 lastLoadPositionTitle);
9779 /* Load the nth position from the given file */
9781 LoadPositionFromFile(filename, n, title)
9789 if (strcmp(filename, "-") == 0) {
9790 return LoadPosition(stdin, n, "stdin");
9792 f = fopen(filename, "rb");
9794 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9795 DisplayError(buf, errno);
9798 return LoadPosition(f, n, title);
9803 /* Load the nth position from the given open file, and close it */
9805 LoadPosition(f, positionNumber, title)
9810 char *p, line[MSG_SIZ];
9811 Board initial_position;
9812 int i, j, fenMode, pn;
9814 if (gameMode == Training )
9815 SetTrainingModeOff();
9817 if (gameMode != BeginningOfGame) {
9820 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
9821 fclose(lastLoadPositionFP);
9823 if (positionNumber == 0) positionNumber = 1;
9824 lastLoadPositionFP = f;
9825 lastLoadPositionNumber = positionNumber;
9826 strcpy(lastLoadPositionTitle, title);
9827 if (first.pr == NoProc) {
9828 StartChessProgram(&first);
9829 InitChessProgram(&first, FALSE);
9831 pn = positionNumber;
9832 if (positionNumber < 0) {
9833 /* Negative position number means to seek to that byte offset */
9834 if (fseek(f, -positionNumber, 0) == -1) {
9835 DisplayError(_("Can't seek on position file"), 0);
9840 if (fseek(f, 0, 0) == -1) {
9841 if (f == lastLoadPositionFP ?
9842 positionNumber == lastLoadPositionNumber + 1 :
9843 positionNumber == 1) {
9846 DisplayError(_("Can't seek on position file"), 0);
9851 /* See if this file is FEN or old-style xboard */
9852 if (fgets(line, MSG_SIZ, f) == NULL) {
9853 DisplayError(_("Position not found in file"), 0);
9856 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
9857 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
9860 if (fenMode || line[0] == '#') pn--;
9862 /* skip positions before number pn */
9863 if (fgets(line, MSG_SIZ, f) == NULL) {
9865 DisplayError(_("Position not found in file"), 0);
9868 if (fenMode || line[0] == '#') pn--;
9873 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
9874 DisplayError(_("Bad FEN position in file"), 0);
9878 (void) fgets(line, MSG_SIZ, f);
9879 (void) fgets(line, MSG_SIZ, f);
9881 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
9882 (void) fgets(line, MSG_SIZ, f);
9883 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
9886 initial_position[i][j++] = CharToPiece(*p);
9890 blackPlaysFirst = FALSE;
9892 (void) fgets(line, MSG_SIZ, f);
9893 if (strncmp(line, "black", strlen("black"))==0)
9894 blackPlaysFirst = TRUE;
9897 startedFromSetupPosition = TRUE;
9899 SendToProgram("force\n", &first);
9900 CopyBoard(boards[0], initial_position);
9901 if (blackPlaysFirst) {
9902 currentMove = forwardMostMove = backwardMostMove = 1;
9903 strcpy(moveList[0], "");
9904 strcpy(parseList[0], "");
9905 CopyBoard(boards[1], initial_position);
9906 DisplayMessage("", _("Black to play"));
9908 currentMove = forwardMostMove = backwardMostMove = 0;
9909 DisplayMessage("", _("White to play"));
9911 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
9912 SendBoard(&first, forwardMostMove);
9913 if (appData.debugMode) {
9915 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
9916 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
9917 fprintf(debugFP, "Load Position\n");
9920 if (positionNumber > 1) {
9921 sprintf(line, "%s %d", title, positionNumber);
9924 DisplayTitle(title);
9926 gameMode = EditGame;
9929 timeRemaining[0][1] = whiteTimeRemaining;
9930 timeRemaining[1][1] = blackTimeRemaining;
9931 DrawPosition(FALSE, boards[currentMove]);
9938 CopyPlayerNameIntoFileName(dest, src)
9941 while (*src != NULLCHAR && *src != ',') {
9946 *(*dest)++ = *src++;
9951 char *DefaultFileName(ext)
9954 static char def[MSG_SIZ];
9957 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
9959 CopyPlayerNameIntoFileName(&p, gameInfo.white);
9961 CopyPlayerNameIntoFileName(&p, gameInfo.black);
9970 /* Save the current game to the given file */
9972 SaveGameToFile(filename, append)
9979 if (strcmp(filename, "-") == 0) {
9980 return SaveGame(stdout, 0, NULL);
9982 f = fopen(filename, append ? "a" : "w");
9984 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9985 DisplayError(buf, errno);
9988 return SaveGame(f, 0, NULL);
9997 static char buf[MSG_SIZ];
10000 p = strchr(str, ' ');
10001 if (p == NULL) return str;
10002 strncpy(buf, str, p - str);
10003 buf[p - str] = NULLCHAR;
10007 #define PGN_MAX_LINE 75
10009 #define PGN_SIDE_WHITE 0
10010 #define PGN_SIDE_BLACK 1
10013 static int FindFirstMoveOutOfBook( int side )
10017 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10018 int index = backwardMostMove;
10019 int has_book_hit = 0;
10021 if( (index % 2) != side ) {
10025 while( index < forwardMostMove ) {
10026 /* Check to see if engine is in book */
10027 int depth = pvInfoList[index].depth;
10028 int score = pvInfoList[index].score;
10034 else if( score == 0 && depth == 63 ) {
10035 in_book = 1; /* Zappa */
10037 else if( score == 2 && depth == 99 ) {
10038 in_book = 1; /* Abrok */
10041 has_book_hit += in_book;
10057 void GetOutOfBookInfo( char * buf )
10061 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10063 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10064 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10068 if( oob[0] >= 0 || oob[1] >= 0 ) {
10069 for( i=0; i<2; i++ ) {
10073 if( i > 0 && oob[0] >= 0 ) {
10074 strcat( buf, " " );
10077 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10078 sprintf( buf+strlen(buf), "%s%.2f",
10079 pvInfoList[idx].score >= 0 ? "+" : "",
10080 pvInfoList[idx].score / 100.0 );
10086 /* Save game in PGN style and close the file */
10091 int i, offset, linelen, newblock;
10095 int movelen, numlen, blank;
10096 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10098 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10100 tm = time((time_t *) NULL);
10102 PrintPGNTags(f, &gameInfo);
10104 if (backwardMostMove > 0 || startedFromSetupPosition) {
10105 char *fen = PositionToFEN(backwardMostMove, NULL);
10106 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10107 fprintf(f, "\n{--------------\n");
10108 PrintPosition(f, backwardMostMove);
10109 fprintf(f, "--------------}\n");
10113 /* [AS] Out of book annotation */
10114 if( appData.saveOutOfBookInfo ) {
10117 GetOutOfBookInfo( buf );
10119 if( buf[0] != '\0' ) {
10120 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10127 i = backwardMostMove;
10131 while (i < forwardMostMove) {
10132 /* Print comments preceding this move */
10133 if (commentList[i] != NULL) {
10134 if (linelen > 0) fprintf(f, "\n");
10135 fprintf(f, "%s", commentList[i]);
10140 /* Format move number */
10141 if ((i % 2) == 0) {
10142 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10145 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10147 numtext[0] = NULLCHAR;
10150 numlen = strlen(numtext);
10153 /* Print move number */
10154 blank = linelen > 0 && numlen > 0;
10155 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10164 fprintf(f, "%s", numtext);
10168 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10169 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10172 blank = linelen > 0 && movelen > 0;
10173 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10182 fprintf(f, "%s", move_buffer);
10183 linelen += movelen;
10185 /* [AS] Add PV info if present */
10186 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10187 /* [HGM] add time */
10188 char buf[MSG_SIZ]; int seconds;
10190 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10192 if( seconds <= 0) buf[0] = 0; else
10193 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10194 seconds = (seconds + 4)/10; // round to full seconds
10195 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10196 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10199 sprintf( move_buffer, "{%s%.2f/%d%s}",
10200 pvInfoList[i].score >= 0 ? "+" : "",
10201 pvInfoList[i].score / 100.0,
10202 pvInfoList[i].depth,
10205 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10207 /* Print score/depth */
10208 blank = linelen > 0 && movelen > 0;
10209 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10218 fprintf(f, "%s", move_buffer);
10219 linelen += movelen;
10225 /* Start a new line */
10226 if (linelen > 0) fprintf(f, "\n");
10228 /* Print comments after last move */
10229 if (commentList[i] != NULL) {
10230 fprintf(f, "%s\n", commentList[i]);
10234 if (gameInfo.resultDetails != NULL &&
10235 gameInfo.resultDetails[0] != NULLCHAR) {
10236 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10237 PGNResult(gameInfo.result));
10239 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10243 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10247 /* Save game in old style and close the file */
10249 SaveGameOldStyle(f)
10255 tm = time((time_t *) NULL);
10257 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10260 if (backwardMostMove > 0 || startedFromSetupPosition) {
10261 fprintf(f, "\n[--------------\n");
10262 PrintPosition(f, backwardMostMove);
10263 fprintf(f, "--------------]\n");
10268 i = backwardMostMove;
10269 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10271 while (i < forwardMostMove) {
10272 if (commentList[i] != NULL) {
10273 fprintf(f, "[%s]\n", commentList[i]);
10276 if ((i % 2) == 1) {
10277 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10280 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10282 if (commentList[i] != NULL) {
10286 if (i >= forwardMostMove) {
10290 fprintf(f, "%s\n", parseList[i]);
10295 if (commentList[i] != NULL) {
10296 fprintf(f, "[%s]\n", commentList[i]);
10299 /* This isn't really the old style, but it's close enough */
10300 if (gameInfo.resultDetails != NULL &&
10301 gameInfo.resultDetails[0] != NULLCHAR) {
10302 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10303 gameInfo.resultDetails);
10305 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10312 /* Save the current game to open file f and close the file */
10314 SaveGame(f, dummy, dummy2)
10319 if (gameMode == EditPosition) EditPositionDone(TRUE);
10320 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10321 if (appData.oldSaveStyle)
10322 return SaveGameOldStyle(f);
10324 return SaveGamePGN(f);
10327 /* Save the current position to the given file */
10329 SavePositionToFile(filename)
10335 if (strcmp(filename, "-") == 0) {
10336 return SavePosition(stdout, 0, NULL);
10338 f = fopen(filename, "a");
10340 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10341 DisplayError(buf, errno);
10344 SavePosition(f, 0, NULL);
10350 /* Save the current position to the given open file and close the file */
10352 SavePosition(f, dummy, dummy2)
10360 if (gameMode == EditPosition) EditPositionDone(TRUE);
10361 if (appData.oldSaveStyle) {
10362 tm = time((time_t *) NULL);
10364 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10366 fprintf(f, "[--------------\n");
10367 PrintPosition(f, currentMove);
10368 fprintf(f, "--------------]\n");
10370 fen = PositionToFEN(currentMove, NULL);
10371 fprintf(f, "%s\n", fen);
10379 ReloadCmailMsgEvent(unregister)
10383 static char *inFilename = NULL;
10384 static char *outFilename;
10386 struct stat inbuf, outbuf;
10389 /* Any registered moves are unregistered if unregister is set, */
10390 /* i.e. invoked by the signal handler */
10392 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10393 cmailMoveRegistered[i] = FALSE;
10394 if (cmailCommentList[i] != NULL) {
10395 free(cmailCommentList[i]);
10396 cmailCommentList[i] = NULL;
10399 nCmailMovesRegistered = 0;
10402 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10403 cmailResult[i] = CMAIL_NOT_RESULT;
10407 if (inFilename == NULL) {
10408 /* Because the filenames are static they only get malloced once */
10409 /* and they never get freed */
10410 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10411 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10413 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10414 sprintf(outFilename, "%s.out", appData.cmailGameName);
10417 status = stat(outFilename, &outbuf);
10419 cmailMailedMove = FALSE;
10421 status = stat(inFilename, &inbuf);
10422 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10425 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10426 counts the games, notes how each one terminated, etc.
10428 It would be nice to remove this kludge and instead gather all
10429 the information while building the game list. (And to keep it
10430 in the game list nodes instead of having a bunch of fixed-size
10431 parallel arrays.) Note this will require getting each game's
10432 termination from the PGN tags, as the game list builder does
10433 not process the game moves. --mann
10435 cmailMsgLoaded = TRUE;
10436 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10438 /* Load first game in the file or popup game menu */
10439 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10441 #endif /* !WIN32 */
10449 char string[MSG_SIZ];
10451 if ( cmailMailedMove
10452 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10453 return TRUE; /* Allow free viewing */
10456 /* Unregister move to ensure that we don't leave RegisterMove */
10457 /* with the move registered when the conditions for registering no */
10459 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10460 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10461 nCmailMovesRegistered --;
10463 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10465 free(cmailCommentList[lastLoadGameNumber - 1]);
10466 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10470 if (cmailOldMove == -1) {
10471 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10475 if (currentMove > cmailOldMove + 1) {
10476 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10480 if (currentMove < cmailOldMove) {
10481 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10485 if (forwardMostMove > currentMove) {
10486 /* Silently truncate extra moves */
10490 if ( (currentMove == cmailOldMove + 1)
10491 || ( (currentMove == cmailOldMove)
10492 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10493 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10494 if (gameInfo.result != GameUnfinished) {
10495 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10498 if (commentList[currentMove] != NULL) {
10499 cmailCommentList[lastLoadGameNumber - 1]
10500 = StrSave(commentList[currentMove]);
10502 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10504 if (appData.debugMode)
10505 fprintf(debugFP, "Saving %s for game %d\n",
10506 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10509 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10511 f = fopen(string, "w");
10512 if (appData.oldSaveStyle) {
10513 SaveGameOldStyle(f); /* also closes the file */
10515 sprintf(string, "%s.pos.out", appData.cmailGameName);
10516 f = fopen(string, "w");
10517 SavePosition(f, 0, NULL); /* also closes the file */
10519 fprintf(f, "{--------------\n");
10520 PrintPosition(f, currentMove);
10521 fprintf(f, "--------------}\n\n");
10523 SaveGame(f, 0, NULL); /* also closes the file*/
10526 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10527 nCmailMovesRegistered ++;
10528 } else if (nCmailGames == 1) {
10529 DisplayError(_("You have not made a move yet"), 0);
10540 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10541 FILE *commandOutput;
10542 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10543 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10549 if (! cmailMsgLoaded) {
10550 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10554 if (nCmailGames == nCmailResults) {
10555 DisplayError(_("No unfinished games"), 0);
10559 #if CMAIL_PROHIBIT_REMAIL
10560 if (cmailMailedMove) {
10561 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);
10562 DisplayError(msg, 0);
10567 if (! (cmailMailedMove || RegisterMove())) return;
10569 if ( cmailMailedMove
10570 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10571 sprintf(string, partCommandString,
10572 appData.debugMode ? " -v" : "", appData.cmailGameName);
10573 commandOutput = popen(string, "r");
10575 if (commandOutput == NULL) {
10576 DisplayError(_("Failed to invoke cmail"), 0);
10578 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10579 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10581 if (nBuffers > 1) {
10582 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10583 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10584 nBytes = MSG_SIZ - 1;
10586 (void) memcpy(msg, buffer, nBytes);
10588 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10590 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10591 cmailMailedMove = TRUE; /* Prevent >1 moves */
10594 for (i = 0; i < nCmailGames; i ++) {
10595 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10600 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10602 sprintf(buffer, "%s/%s.%s.archive",
10604 appData.cmailGameName,
10606 LoadGameFromFile(buffer, 1, buffer, FALSE);
10607 cmailMsgLoaded = FALSE;
10611 DisplayInformation(msg);
10612 pclose(commandOutput);
10615 if ((*cmailMsg) != '\0') {
10616 DisplayInformation(cmailMsg);
10621 #endif /* !WIN32 */
10630 int prependComma = 0;
10632 char string[MSG_SIZ]; /* Space for game-list */
10635 if (!cmailMsgLoaded) return "";
10637 if (cmailMailedMove) {
10638 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10640 /* Create a list of games left */
10641 sprintf(string, "[");
10642 for (i = 0; i < nCmailGames; i ++) {
10643 if (! ( cmailMoveRegistered[i]
10644 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10645 if (prependComma) {
10646 sprintf(number, ",%d", i + 1);
10648 sprintf(number, "%d", i + 1);
10652 strcat(string, number);
10655 strcat(string, "]");
10657 if (nCmailMovesRegistered + nCmailResults == 0) {
10658 switch (nCmailGames) {
10661 _("Still need to make move for game\n"));
10666 _("Still need to make moves for both games\n"));
10671 _("Still need to make moves for all %d games\n"),
10676 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10679 _("Still need to make a move for game %s\n"),
10684 if (nCmailResults == nCmailGames) {
10685 sprintf(cmailMsg, _("No unfinished games\n"));
10687 sprintf(cmailMsg, _("Ready to send mail\n"));
10693 _("Still need to make moves for games %s\n"),
10705 if (gameMode == Training)
10706 SetTrainingModeOff();
10709 cmailMsgLoaded = FALSE;
10710 if (appData.icsActive) {
10711 SendToICS(ics_prefix);
10712 SendToICS("refresh\n");
10722 /* Give up on clean exit */
10726 /* Keep trying for clean exit */
10730 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
10732 if (telnetISR != NULL) {
10733 RemoveInputSource(telnetISR);
10735 if (icsPR != NoProc) {
10736 DestroyChildProcess(icsPR, TRUE);
10739 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
10740 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
10742 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
10743 /* make sure this other one finishes before killing it! */
10744 if(endingGame) { int count = 0;
10745 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
10746 while(endingGame && count++ < 10) DoSleep(1);
10747 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
10750 /* Kill off chess programs */
10751 if (first.pr != NoProc) {
10754 DoSleep( appData.delayBeforeQuit );
10755 SendToProgram("quit\n", &first);
10756 DoSleep( appData.delayAfterQuit );
10757 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
10759 if (second.pr != NoProc) {
10760 DoSleep( appData.delayBeforeQuit );
10761 SendToProgram("quit\n", &second);
10762 DoSleep( appData.delayAfterQuit );
10763 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
10765 if (first.isr != NULL) {
10766 RemoveInputSource(first.isr);
10768 if (second.isr != NULL) {
10769 RemoveInputSource(second.isr);
10772 ShutDownFrontEnd();
10779 if (appData.debugMode)
10780 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
10784 if (gameMode == MachinePlaysWhite ||
10785 gameMode == MachinePlaysBlack) {
10788 DisplayBothClocks();
10790 if (gameMode == PlayFromGameFile) {
10791 if (appData.timeDelay >= 0)
10792 AutoPlayGameLoop();
10793 } else if (gameMode == IcsExamining && pauseExamInvalid) {
10794 Reset(FALSE, TRUE);
10795 SendToICS(ics_prefix);
10796 SendToICS("refresh\n");
10797 } else if (currentMove < forwardMostMove) {
10798 ForwardInner(forwardMostMove);
10800 pauseExamInvalid = FALSE;
10802 switch (gameMode) {
10806 pauseExamForwardMostMove = forwardMostMove;
10807 pauseExamInvalid = FALSE;
10810 case IcsPlayingWhite:
10811 case IcsPlayingBlack:
10815 case PlayFromGameFile:
10816 (void) StopLoadGameTimer();
10820 case BeginningOfGame:
10821 if (appData.icsActive) return;
10822 /* else fall through */
10823 case MachinePlaysWhite:
10824 case MachinePlaysBlack:
10825 case TwoMachinesPlay:
10826 if (forwardMostMove == 0)
10827 return; /* don't pause if no one has moved */
10828 if ((gameMode == MachinePlaysWhite &&
10829 !WhiteOnMove(forwardMostMove)) ||
10830 (gameMode == MachinePlaysBlack &&
10831 WhiteOnMove(forwardMostMove))) {
10844 char title[MSG_SIZ];
10846 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
10847 strcpy(title, _("Edit comment"));
10849 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
10850 WhiteOnMove(currentMove - 1) ? " " : ".. ",
10851 parseList[currentMove - 1]);
10854 EditCommentPopUp(currentMove, title, commentList[currentMove]);
10861 char *tags = PGNTags(&gameInfo);
10862 EditTagsPopUp(tags);
10869 if (appData.noChessProgram || gameMode == AnalyzeMode)
10872 if (gameMode != AnalyzeFile) {
10873 if (!appData.icsEngineAnalyze) {
10875 if (gameMode != EditGame) return;
10877 ResurrectChessProgram();
10878 SendToProgram("analyze\n", &first);
10879 first.analyzing = TRUE;
10880 /*first.maybeThinking = TRUE;*/
10881 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10882 EngineOutputPopUp();
10884 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
10889 StartAnalysisClock();
10890 GetTimeMark(&lastNodeCountTime);
10897 if (appData.noChessProgram || gameMode == AnalyzeFile)
10900 if (gameMode != AnalyzeMode) {
10902 if (gameMode != EditGame) return;
10903 ResurrectChessProgram();
10904 SendToProgram("analyze\n", &first);
10905 first.analyzing = TRUE;
10906 /*first.maybeThinking = TRUE;*/
10907 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10908 EngineOutputPopUp();
10910 gameMode = AnalyzeFile;
10915 StartAnalysisClock();
10916 GetTimeMark(&lastNodeCountTime);
10921 MachineWhiteEvent()
10924 char *bookHit = NULL;
10926 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
10930 if (gameMode == PlayFromGameFile ||
10931 gameMode == TwoMachinesPlay ||
10932 gameMode == Training ||
10933 gameMode == AnalyzeMode ||
10934 gameMode == EndOfGame)
10937 if (gameMode == EditPosition)
10938 EditPositionDone(TRUE);
10940 if (!WhiteOnMove(currentMove)) {
10941 DisplayError(_("It is not White's turn"), 0);
10945 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10948 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10949 gameMode == AnalyzeFile)
10952 ResurrectChessProgram(); /* in case it isn't running */
10953 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
10954 gameMode = MachinePlaysWhite;
10957 gameMode = MachinePlaysWhite;
10961 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10963 if (first.sendName) {
10964 sprintf(buf, "name %s\n", gameInfo.black);
10965 SendToProgram(buf, &first);
10967 if (first.sendTime) {
10968 if (first.useColors) {
10969 SendToProgram("black\n", &first); /*gnu kludge*/
10971 SendTimeRemaining(&first, TRUE);
10973 if (first.useColors) {
10974 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
10976 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10977 SetMachineThinkingEnables();
10978 first.maybeThinking = TRUE;
10982 if (appData.autoFlipView && !flipView) {
10983 flipView = !flipView;
10984 DrawPosition(FALSE, NULL);
10985 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10988 if(bookHit) { // [HGM] book: simulate book reply
10989 static char bookMove[MSG_SIZ]; // a bit generous?
10991 programStats.nodes = programStats.depth = programStats.time =
10992 programStats.score = programStats.got_only_move = 0;
10993 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10995 strcpy(bookMove, "move ");
10996 strcat(bookMove, bookHit);
10997 HandleMachineMove(bookMove, &first);
11002 MachineBlackEvent()
11005 char *bookHit = NULL;
11007 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11011 if (gameMode == PlayFromGameFile ||
11012 gameMode == TwoMachinesPlay ||
11013 gameMode == Training ||
11014 gameMode == AnalyzeMode ||
11015 gameMode == EndOfGame)
11018 if (gameMode == EditPosition)
11019 EditPositionDone(TRUE);
11021 if (WhiteOnMove(currentMove)) {
11022 DisplayError(_("It is not Black's turn"), 0);
11026 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11029 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11030 gameMode == AnalyzeFile)
11033 ResurrectChessProgram(); /* in case it isn't running */
11034 gameMode = MachinePlaysBlack;
11038 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11040 if (first.sendName) {
11041 sprintf(buf, "name %s\n", gameInfo.white);
11042 SendToProgram(buf, &first);
11044 if (first.sendTime) {
11045 if (first.useColors) {
11046 SendToProgram("white\n", &first); /*gnu kludge*/
11048 SendTimeRemaining(&first, FALSE);
11050 if (first.useColors) {
11051 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11053 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11054 SetMachineThinkingEnables();
11055 first.maybeThinking = TRUE;
11058 if (appData.autoFlipView && flipView) {
11059 flipView = !flipView;
11060 DrawPosition(FALSE, NULL);
11061 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11063 if(bookHit) { // [HGM] book: simulate book reply
11064 static char bookMove[MSG_SIZ]; // a bit generous?
11066 programStats.nodes = programStats.depth = programStats.time =
11067 programStats.score = programStats.got_only_move = 0;
11068 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11070 strcpy(bookMove, "move ");
11071 strcat(bookMove, bookHit);
11072 HandleMachineMove(bookMove, &first);
11078 DisplayTwoMachinesTitle()
11081 if (appData.matchGames > 0) {
11082 if (first.twoMachinesColor[0] == 'w') {
11083 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11084 gameInfo.white, gameInfo.black,
11085 first.matchWins, second.matchWins,
11086 matchGame - 1 - (first.matchWins + second.matchWins));
11088 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11089 gameInfo.white, gameInfo.black,
11090 second.matchWins, first.matchWins,
11091 matchGame - 1 - (first.matchWins + second.matchWins));
11094 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11100 TwoMachinesEvent P((void))
11104 ChessProgramState *onmove;
11105 char *bookHit = NULL;
11107 if (appData.noChessProgram) return;
11109 switch (gameMode) {
11110 case TwoMachinesPlay:
11112 case MachinePlaysWhite:
11113 case MachinePlaysBlack:
11114 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11115 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11119 case BeginningOfGame:
11120 case PlayFromGameFile:
11123 if (gameMode != EditGame) return;
11126 EditPositionDone(TRUE);
11137 // forwardMostMove = currentMove;
11138 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11139 ResurrectChessProgram(); /* in case first program isn't running */
11141 if (second.pr == NULL) {
11142 StartChessProgram(&second);
11143 if (second.protocolVersion == 1) {
11144 TwoMachinesEventIfReady();
11146 /* kludge: allow timeout for initial "feature" command */
11148 DisplayMessage("", _("Starting second chess program"));
11149 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11153 DisplayMessage("", "");
11154 InitChessProgram(&second, FALSE);
11155 SendToProgram("force\n", &second);
11156 if (startedFromSetupPosition) {
11157 SendBoard(&second, backwardMostMove);
11158 if (appData.debugMode) {
11159 fprintf(debugFP, "Two Machines\n");
11162 for (i = backwardMostMove; i < forwardMostMove; i++) {
11163 SendMoveToProgram(i, &second);
11166 gameMode = TwoMachinesPlay;
11170 DisplayTwoMachinesTitle();
11172 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11178 SendToProgram(first.computerString, &first);
11179 if (first.sendName) {
11180 sprintf(buf, "name %s\n", second.tidy);
11181 SendToProgram(buf, &first);
11183 SendToProgram(second.computerString, &second);
11184 if (second.sendName) {
11185 sprintf(buf, "name %s\n", first.tidy);
11186 SendToProgram(buf, &second);
11190 if (!first.sendTime || !second.sendTime) {
11191 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11192 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11194 if (onmove->sendTime) {
11195 if (onmove->useColors) {
11196 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11198 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11200 if (onmove->useColors) {
11201 SendToProgram(onmove->twoMachinesColor, onmove);
11203 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11204 // SendToProgram("go\n", onmove);
11205 onmove->maybeThinking = TRUE;
11206 SetMachineThinkingEnables();
11210 if(bookHit) { // [HGM] book: simulate book reply
11211 static char bookMove[MSG_SIZ]; // a bit generous?
11213 programStats.nodes = programStats.depth = programStats.time =
11214 programStats.score = programStats.got_only_move = 0;
11215 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11217 strcpy(bookMove, "move ");
11218 strcat(bookMove, bookHit);
11219 savedMessage = bookMove; // args for deferred call
11220 savedState = onmove;
11221 ScheduleDelayedEvent(DeferredBookMove, 1);
11228 if (gameMode == Training) {
11229 SetTrainingModeOff();
11230 gameMode = PlayFromGameFile;
11231 DisplayMessage("", _("Training mode off"));
11233 gameMode = Training;
11234 animateTraining = appData.animate;
11236 /* make sure we are not already at the end of the game */
11237 if (currentMove < forwardMostMove) {
11238 SetTrainingModeOn();
11239 DisplayMessage("", _("Training mode on"));
11241 gameMode = PlayFromGameFile;
11242 DisplayError(_("Already at end of game"), 0);
11251 if (!appData.icsActive) return;
11252 switch (gameMode) {
11253 case IcsPlayingWhite:
11254 case IcsPlayingBlack:
11257 case BeginningOfGame:
11265 EditPositionDone(TRUE);
11278 gameMode = IcsIdle;
11289 switch (gameMode) {
11291 SetTrainingModeOff();
11293 case MachinePlaysWhite:
11294 case MachinePlaysBlack:
11295 case BeginningOfGame:
11296 SendToProgram("force\n", &first);
11297 SetUserThinkingEnables();
11299 case PlayFromGameFile:
11300 (void) StopLoadGameTimer();
11301 if (gameFileFP != NULL) {
11306 EditPositionDone(TRUE);
11311 SendToProgram("force\n", &first);
11313 case TwoMachinesPlay:
11314 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11315 ResurrectChessProgram();
11316 SetUserThinkingEnables();
11319 ResurrectChessProgram();
11321 case IcsPlayingBlack:
11322 case IcsPlayingWhite:
11323 DisplayError(_("Warning: You are still playing a game"), 0);
11326 DisplayError(_("Warning: You are still observing a game"), 0);
11329 DisplayError(_("Warning: You are still examining a game"), 0);
11340 first.offeredDraw = second.offeredDraw = 0;
11342 if (gameMode == PlayFromGameFile) {
11343 whiteTimeRemaining = timeRemaining[0][currentMove];
11344 blackTimeRemaining = timeRemaining[1][currentMove];
11348 if (gameMode == MachinePlaysWhite ||
11349 gameMode == MachinePlaysBlack ||
11350 gameMode == TwoMachinesPlay ||
11351 gameMode == EndOfGame) {
11352 i = forwardMostMove;
11353 while (i > currentMove) {
11354 SendToProgram("undo\n", &first);
11357 whiteTimeRemaining = timeRemaining[0][currentMove];
11358 blackTimeRemaining = timeRemaining[1][currentMove];
11359 DisplayBothClocks();
11360 if (whiteFlag || blackFlag) {
11361 whiteFlag = blackFlag = 0;
11366 gameMode = EditGame;
11373 EditPositionEvent()
11375 if (gameMode == EditPosition) {
11381 if (gameMode != EditGame) return;
11383 gameMode = EditPosition;
11386 if (currentMove > 0)
11387 CopyBoard(boards[0], boards[currentMove]);
11389 blackPlaysFirst = !WhiteOnMove(currentMove);
11391 currentMove = forwardMostMove = backwardMostMove = 0;
11392 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11399 /* [DM] icsEngineAnalyze - possible call from other functions */
11400 if (appData.icsEngineAnalyze) {
11401 appData.icsEngineAnalyze = FALSE;
11403 DisplayMessage("",_("Close ICS engine analyze..."));
11405 if (first.analysisSupport && first.analyzing) {
11406 SendToProgram("exit\n", &first);
11407 first.analyzing = FALSE;
11409 thinkOutput[0] = NULLCHAR;
11413 EditPositionDone(Boolean fakeRights)
11415 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11417 startedFromSetupPosition = TRUE;
11418 InitChessProgram(&first, FALSE);
11419 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11420 boards[0][EP_STATUS] = EP_NONE;
11421 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11422 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11423 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11424 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11425 } else boards[0][CASTLING][2] = NoRights;
11426 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11427 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11428 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11429 } else boards[0][CASTLING][5] = NoRights;
11431 SendToProgram("force\n", &first);
11432 if (blackPlaysFirst) {
11433 strcpy(moveList[0], "");
11434 strcpy(parseList[0], "");
11435 currentMove = forwardMostMove = backwardMostMove = 1;
11436 CopyBoard(boards[1], boards[0]);
11438 currentMove = forwardMostMove = backwardMostMove = 0;
11440 SendBoard(&first, forwardMostMove);
11441 if (appData.debugMode) {
11442 fprintf(debugFP, "EditPosDone\n");
11445 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11446 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11447 gameMode = EditGame;
11449 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11450 ClearHighlights(); /* [AS] */
11453 /* Pause for `ms' milliseconds */
11454 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11464 } while (SubtractTimeMarks(&m2, &m1) < ms);
11467 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11469 SendMultiLineToICS(buf)
11472 char temp[MSG_SIZ+1], *p;
11479 strncpy(temp, buf, len);
11484 if (*p == '\n' || *p == '\r')
11489 strcat(temp, "\n");
11491 SendToPlayer(temp, strlen(temp));
11495 SetWhiteToPlayEvent()
11497 if (gameMode == EditPosition) {
11498 blackPlaysFirst = FALSE;
11499 DisplayBothClocks(); /* works because currentMove is 0 */
11500 } else if (gameMode == IcsExamining) {
11501 SendToICS(ics_prefix);
11502 SendToICS("tomove white\n");
11507 SetBlackToPlayEvent()
11509 if (gameMode == EditPosition) {
11510 blackPlaysFirst = TRUE;
11511 currentMove = 1; /* kludge */
11512 DisplayBothClocks();
11514 } else if (gameMode == IcsExamining) {
11515 SendToICS(ics_prefix);
11516 SendToICS("tomove black\n");
11521 EditPositionMenuEvent(selection, x, y)
11522 ChessSquare selection;
11526 ChessSquare piece = boards[0][y][x];
11528 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11530 switch (selection) {
11532 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11533 SendToICS(ics_prefix);
11534 SendToICS("bsetup clear\n");
11535 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11536 SendToICS(ics_prefix);
11537 SendToICS("clearboard\n");
11539 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11540 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11541 for (y = 0; y < BOARD_HEIGHT; y++) {
11542 if (gameMode == IcsExamining) {
11543 if (boards[currentMove][y][x] != EmptySquare) {
11544 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11549 boards[0][y][x] = p;
11554 if (gameMode == EditPosition) {
11555 DrawPosition(FALSE, boards[0]);
11560 SetWhiteToPlayEvent();
11564 SetBlackToPlayEvent();
11568 if (gameMode == IcsExamining) {
11569 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
11570 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11573 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
11574 if(x == BOARD_LEFT-2) {
11575 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
11576 boards[0][y][1] = 0;
11578 if(x == BOARD_RGHT+1) {
11579 if(y >= gameInfo.holdingsSize) break;
11580 boards[0][y][BOARD_WIDTH-2] = 0;
11583 boards[0][y][x] = EmptySquare;
11584 DrawPosition(FALSE, boards[0]);
11589 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11590 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11591 selection = (ChessSquare) (PROMOTED piece);
11592 } else if(piece == EmptySquare) selection = WhiteSilver;
11593 else selection = (ChessSquare)((int)piece - 1);
11597 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11598 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11599 selection = (ChessSquare) (DEMOTED piece);
11600 } else if(piece == EmptySquare) selection = BlackSilver;
11601 else selection = (ChessSquare)((int)piece + 1);
11606 if(gameInfo.variant == VariantShatranj ||
11607 gameInfo.variant == VariantXiangqi ||
11608 gameInfo.variant == VariantCourier ||
11609 gameInfo.variant == VariantMakruk )
11610 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11615 if(gameInfo.variant == VariantXiangqi)
11616 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11617 if(gameInfo.variant == VariantKnightmate)
11618 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11621 if (gameMode == IcsExamining) {
11622 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
11623 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11624 PieceToChar(selection), AAA + x, ONE + y);
11627 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
11629 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
11630 n = PieceToNumber(selection - BlackPawn);
11631 if(n > gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
11632 boards[0][BOARD_HEIGHT-1-n][0] = selection;
11633 boards[0][BOARD_HEIGHT-1-n][1]++;
11635 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
11636 n = PieceToNumber(selection);
11637 if(n > gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
11638 boards[0][n][BOARD_WIDTH-1] = selection;
11639 boards[0][n][BOARD_WIDTH-2]++;
11642 boards[0][y][x] = selection;
11643 DrawPosition(TRUE, boards[0]);
11651 DropMenuEvent(selection, x, y)
11652 ChessSquare selection;
11655 ChessMove moveType;
11657 switch (gameMode) {
11658 case IcsPlayingWhite:
11659 case MachinePlaysBlack:
11660 if (!WhiteOnMove(currentMove)) {
11661 DisplayMoveError(_("It is Black's turn"));
11664 moveType = WhiteDrop;
11666 case IcsPlayingBlack:
11667 case MachinePlaysWhite:
11668 if (WhiteOnMove(currentMove)) {
11669 DisplayMoveError(_("It is White's turn"));
11672 moveType = BlackDrop;
11675 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
11681 if (moveType == BlackDrop && selection < BlackPawn) {
11682 selection = (ChessSquare) ((int) selection
11683 + (int) BlackPawn - (int) WhitePawn);
11685 if (boards[currentMove][y][x] != EmptySquare) {
11686 DisplayMoveError(_("That square is occupied"));
11690 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
11696 /* Accept a pending offer of any kind from opponent */
11698 if (appData.icsActive) {
11699 SendToICS(ics_prefix);
11700 SendToICS("accept\n");
11701 } else if (cmailMsgLoaded) {
11702 if (currentMove == cmailOldMove &&
11703 commentList[cmailOldMove] != NULL &&
11704 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11705 "Black offers a draw" : "White offers a draw")) {
11707 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11708 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11710 DisplayError(_("There is no pending offer on this move"), 0);
11711 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11714 /* Not used for offers from chess program */
11721 /* Decline a pending offer of any kind from opponent */
11723 if (appData.icsActive) {
11724 SendToICS(ics_prefix);
11725 SendToICS("decline\n");
11726 } else if (cmailMsgLoaded) {
11727 if (currentMove == cmailOldMove &&
11728 commentList[cmailOldMove] != NULL &&
11729 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11730 "Black offers a draw" : "White offers a draw")) {
11732 AppendComment(cmailOldMove, "Draw declined", TRUE);
11733 DisplayComment(cmailOldMove - 1, "Draw declined");
11736 DisplayError(_("There is no pending offer on this move"), 0);
11739 /* Not used for offers from chess program */
11746 /* Issue ICS rematch command */
11747 if (appData.icsActive) {
11748 SendToICS(ics_prefix);
11749 SendToICS("rematch\n");
11756 /* Call your opponent's flag (claim a win on time) */
11757 if (appData.icsActive) {
11758 SendToICS(ics_prefix);
11759 SendToICS("flag\n");
11761 switch (gameMode) {
11764 case MachinePlaysWhite:
11767 GameEnds(GameIsDrawn, "Both players ran out of time",
11770 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
11772 DisplayError(_("Your opponent is not out of time"), 0);
11775 case MachinePlaysBlack:
11778 GameEnds(GameIsDrawn, "Both players ran out of time",
11781 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
11783 DisplayError(_("Your opponent is not out of time"), 0);
11793 /* Offer draw or accept pending draw offer from opponent */
11795 if (appData.icsActive) {
11796 /* Note: tournament rules require draw offers to be
11797 made after you make your move but before you punch
11798 your clock. Currently ICS doesn't let you do that;
11799 instead, you immediately punch your clock after making
11800 a move, but you can offer a draw at any time. */
11802 SendToICS(ics_prefix);
11803 SendToICS("draw\n");
11804 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
11805 } else if (cmailMsgLoaded) {
11806 if (currentMove == cmailOldMove &&
11807 commentList[cmailOldMove] != NULL &&
11808 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11809 "Black offers a draw" : "White offers a draw")) {
11810 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11811 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11812 } else if (currentMove == cmailOldMove + 1) {
11813 char *offer = WhiteOnMove(cmailOldMove) ?
11814 "White offers a draw" : "Black offers a draw";
11815 AppendComment(currentMove, offer, TRUE);
11816 DisplayComment(currentMove - 1, offer);
11817 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
11819 DisplayError(_("You must make your move before offering a draw"), 0);
11820 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11822 } else if (first.offeredDraw) {
11823 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
11825 if (first.sendDrawOffers) {
11826 SendToProgram("draw\n", &first);
11827 userOfferedDraw = TRUE;
11835 /* Offer Adjourn or accept pending Adjourn offer from opponent */
11837 if (appData.icsActive) {
11838 SendToICS(ics_prefix);
11839 SendToICS("adjourn\n");
11841 /* Currently GNU Chess doesn't offer or accept Adjourns */
11849 /* Offer Abort or accept pending Abort offer from opponent */
11851 if (appData.icsActive) {
11852 SendToICS(ics_prefix);
11853 SendToICS("abort\n");
11855 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
11862 /* Resign. You can do this even if it's not your turn. */
11864 if (appData.icsActive) {
11865 SendToICS(ics_prefix);
11866 SendToICS("resign\n");
11868 switch (gameMode) {
11869 case MachinePlaysWhite:
11870 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11872 case MachinePlaysBlack:
11873 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11876 if (cmailMsgLoaded) {
11878 if (WhiteOnMove(cmailOldMove)) {
11879 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11881 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11883 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
11894 StopObservingEvent()
11896 /* Stop observing current games */
11897 SendToICS(ics_prefix);
11898 SendToICS("unobserve\n");
11902 StopExaminingEvent()
11904 /* Stop observing current game */
11905 SendToICS(ics_prefix);
11906 SendToICS("unexamine\n");
11910 ForwardInner(target)
11915 if (appData.debugMode)
11916 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
11917 target, currentMove, forwardMostMove);
11919 if (gameMode == EditPosition)
11922 if (gameMode == PlayFromGameFile && !pausing)
11925 if (gameMode == IcsExamining && pausing)
11926 limit = pauseExamForwardMostMove;
11928 limit = forwardMostMove;
11930 if (target > limit) target = limit;
11932 if (target > 0 && moveList[target - 1][0]) {
11933 int fromX, fromY, toX, toY;
11934 toX = moveList[target - 1][2] - AAA;
11935 toY = moveList[target - 1][3] - ONE;
11936 if (moveList[target - 1][1] == '@') {
11937 if (appData.highlightLastMove) {
11938 SetHighlights(-1, -1, toX, toY);
11941 fromX = moveList[target - 1][0] - AAA;
11942 fromY = moveList[target - 1][1] - ONE;
11943 if (target == currentMove + 1) {
11944 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11946 if (appData.highlightLastMove) {
11947 SetHighlights(fromX, fromY, toX, toY);
11951 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11952 gameMode == Training || gameMode == PlayFromGameFile ||
11953 gameMode == AnalyzeFile) {
11954 while (currentMove < target) {
11955 SendMoveToProgram(currentMove++, &first);
11958 currentMove = target;
11961 if (gameMode == EditGame || gameMode == EndOfGame) {
11962 whiteTimeRemaining = timeRemaining[0][currentMove];
11963 blackTimeRemaining = timeRemaining[1][currentMove];
11965 DisplayBothClocks();
11966 DisplayMove(currentMove - 1);
11967 DrawPosition(FALSE, boards[currentMove]);
11968 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11969 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
11970 DisplayComment(currentMove - 1, commentList[currentMove]);
11978 if (gameMode == IcsExamining && !pausing) {
11979 SendToICS(ics_prefix);
11980 SendToICS("forward\n");
11982 ForwardInner(currentMove + 1);
11989 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11990 /* to optimze, we temporarily turn off analysis mode while we feed
11991 * the remaining moves to the engine. Otherwise we get analysis output
11994 if (first.analysisSupport) {
11995 SendToProgram("exit\nforce\n", &first);
11996 first.analyzing = FALSE;
12000 if (gameMode == IcsExamining && !pausing) {
12001 SendToICS(ics_prefix);
12002 SendToICS("forward 999999\n");
12004 ForwardInner(forwardMostMove);
12007 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12008 /* we have fed all the moves, so reactivate analysis mode */
12009 SendToProgram("analyze\n", &first);
12010 first.analyzing = TRUE;
12011 /*first.maybeThinking = TRUE;*/
12012 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12017 BackwardInner(target)
12020 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12022 if (appData.debugMode)
12023 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12024 target, currentMove, forwardMostMove);
12026 if (gameMode == EditPosition) return;
12027 if (currentMove <= backwardMostMove) {
12029 DrawPosition(full_redraw, boards[currentMove]);
12032 if (gameMode == PlayFromGameFile && !pausing)
12035 if (moveList[target][0]) {
12036 int fromX, fromY, toX, toY;
12037 toX = moveList[target][2] - AAA;
12038 toY = moveList[target][3] - ONE;
12039 if (moveList[target][1] == '@') {
12040 if (appData.highlightLastMove) {
12041 SetHighlights(-1, -1, toX, toY);
12044 fromX = moveList[target][0] - AAA;
12045 fromY = moveList[target][1] - ONE;
12046 if (target == currentMove - 1) {
12047 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12049 if (appData.highlightLastMove) {
12050 SetHighlights(fromX, fromY, toX, toY);
12054 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12055 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12056 while (currentMove > target) {
12057 SendToProgram("undo\n", &first);
12061 currentMove = target;
12064 if (gameMode == EditGame || gameMode == EndOfGame) {
12065 whiteTimeRemaining = timeRemaining[0][currentMove];
12066 blackTimeRemaining = timeRemaining[1][currentMove];
12068 DisplayBothClocks();
12069 DisplayMove(currentMove - 1);
12070 DrawPosition(full_redraw, boards[currentMove]);
12071 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12072 // [HGM] PV info: routine tests if comment empty
12073 DisplayComment(currentMove - 1, commentList[currentMove]);
12079 if (gameMode == IcsExamining && !pausing) {
12080 SendToICS(ics_prefix);
12081 SendToICS("backward\n");
12083 BackwardInner(currentMove - 1);
12090 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12091 /* to optimize, we temporarily turn off analysis mode while we undo
12092 * all the moves. Otherwise we get analysis output after each undo.
12094 if (first.analysisSupport) {
12095 SendToProgram("exit\nforce\n", &first);
12096 first.analyzing = FALSE;
12100 if (gameMode == IcsExamining && !pausing) {
12101 SendToICS(ics_prefix);
12102 SendToICS("backward 999999\n");
12104 BackwardInner(backwardMostMove);
12107 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12108 /* we have fed all the moves, so reactivate analysis mode */
12109 SendToProgram("analyze\n", &first);
12110 first.analyzing = TRUE;
12111 /*first.maybeThinking = TRUE;*/
12112 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12119 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12120 if (to >= forwardMostMove) to = forwardMostMove;
12121 if (to <= backwardMostMove) to = backwardMostMove;
12122 if (to < currentMove) {
12132 if(PopTail(TRUE)) { // [HGM] vari: restore old game tail
12135 if (gameMode != IcsExamining) {
12136 DisplayError(_("You are not examining a game"), 0);
12140 DisplayError(_("You can't revert while pausing"), 0);
12143 SendToICS(ics_prefix);
12144 SendToICS("revert\n");
12150 switch (gameMode) {
12151 case MachinePlaysWhite:
12152 case MachinePlaysBlack:
12153 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12154 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12157 if (forwardMostMove < 2) return;
12158 currentMove = forwardMostMove = forwardMostMove - 2;
12159 whiteTimeRemaining = timeRemaining[0][currentMove];
12160 blackTimeRemaining = timeRemaining[1][currentMove];
12161 DisplayBothClocks();
12162 DisplayMove(currentMove - 1);
12163 ClearHighlights();/*!! could figure this out*/
12164 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12165 SendToProgram("remove\n", &first);
12166 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12169 case BeginningOfGame:
12173 case IcsPlayingWhite:
12174 case IcsPlayingBlack:
12175 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12176 SendToICS(ics_prefix);
12177 SendToICS("takeback 2\n");
12179 SendToICS(ics_prefix);
12180 SendToICS("takeback 1\n");
12189 ChessProgramState *cps;
12191 switch (gameMode) {
12192 case MachinePlaysWhite:
12193 if (!WhiteOnMove(forwardMostMove)) {
12194 DisplayError(_("It is your turn"), 0);
12199 case MachinePlaysBlack:
12200 if (WhiteOnMove(forwardMostMove)) {
12201 DisplayError(_("It is your turn"), 0);
12206 case TwoMachinesPlay:
12207 if (WhiteOnMove(forwardMostMove) ==
12208 (first.twoMachinesColor[0] == 'w')) {
12214 case BeginningOfGame:
12218 SendToProgram("?\n", cps);
12222 TruncateGameEvent()
12225 if (gameMode != EditGame) return;
12232 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12233 if (forwardMostMove > currentMove) {
12234 if (gameInfo.resultDetails != NULL) {
12235 free(gameInfo.resultDetails);
12236 gameInfo.resultDetails = NULL;
12237 gameInfo.result = GameUnfinished;
12239 forwardMostMove = currentMove;
12240 HistorySet(parseList, backwardMostMove, forwardMostMove,
12248 if (appData.noChessProgram) return;
12249 switch (gameMode) {
12250 case MachinePlaysWhite:
12251 if (WhiteOnMove(forwardMostMove)) {
12252 DisplayError(_("Wait until your turn"), 0);
12256 case BeginningOfGame:
12257 case MachinePlaysBlack:
12258 if (!WhiteOnMove(forwardMostMove)) {
12259 DisplayError(_("Wait until your turn"), 0);
12264 DisplayError(_("No hint available"), 0);
12267 SendToProgram("hint\n", &first);
12268 hintRequested = TRUE;
12274 if (appData.noChessProgram) return;
12275 switch (gameMode) {
12276 case MachinePlaysWhite:
12277 if (WhiteOnMove(forwardMostMove)) {
12278 DisplayError(_("Wait until your turn"), 0);
12282 case BeginningOfGame:
12283 case MachinePlaysBlack:
12284 if (!WhiteOnMove(forwardMostMove)) {
12285 DisplayError(_("Wait until your turn"), 0);
12290 EditPositionDone(TRUE);
12292 case TwoMachinesPlay:
12297 SendToProgram("bk\n", &first);
12298 bookOutput[0] = NULLCHAR;
12299 bookRequested = TRUE;
12305 char *tags = PGNTags(&gameInfo);
12306 TagsPopUp(tags, CmailMsg());
12310 /* end button procedures */
12313 PrintPosition(fp, move)
12319 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12320 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12321 char c = PieceToChar(boards[move][i][j]);
12322 fputc(c == 'x' ? '.' : c, fp);
12323 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12326 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12327 fprintf(fp, "white to play\n");
12329 fprintf(fp, "black to play\n");
12336 if (gameInfo.white != NULL) {
12337 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12343 /* Find last component of program's own name, using some heuristics */
12345 TidyProgramName(prog, host, buf)
12346 char *prog, *host, buf[MSG_SIZ];
12349 int local = (strcmp(host, "localhost") == 0);
12350 while (!local && (p = strchr(prog, ';')) != NULL) {
12352 while (*p == ' ') p++;
12355 if (*prog == '"' || *prog == '\'') {
12356 q = strchr(prog + 1, *prog);
12358 q = strchr(prog, ' ');
12360 if (q == NULL) q = prog + strlen(prog);
12362 while (p >= prog && *p != '/' && *p != '\\') p--;
12364 if(p == prog && *p == '"') p++;
12365 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12366 memcpy(buf, p, q - p);
12367 buf[q - p] = NULLCHAR;
12375 TimeControlTagValue()
12378 if (!appData.clockMode) {
12380 } else if (movesPerSession > 0) {
12381 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12382 } else if (timeIncrement == 0) {
12383 sprintf(buf, "%ld", timeControl/1000);
12385 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12387 return StrSave(buf);
12393 /* This routine is used only for certain modes */
12394 VariantClass v = gameInfo.variant;
12395 ChessMove r = GameUnfinished;
12398 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12399 r = gameInfo.result;
12400 p = gameInfo.resultDetails;
12401 gameInfo.resultDetails = NULL;
12403 ClearGameInfo(&gameInfo);
12404 gameInfo.variant = v;
12406 switch (gameMode) {
12407 case MachinePlaysWhite:
12408 gameInfo.event = StrSave( appData.pgnEventHeader );
12409 gameInfo.site = StrSave(HostName());
12410 gameInfo.date = PGNDate();
12411 gameInfo.round = StrSave("-");
12412 gameInfo.white = StrSave(first.tidy);
12413 gameInfo.black = StrSave(UserName());
12414 gameInfo.timeControl = TimeControlTagValue();
12417 case MachinePlaysBlack:
12418 gameInfo.event = StrSave( appData.pgnEventHeader );
12419 gameInfo.site = StrSave(HostName());
12420 gameInfo.date = PGNDate();
12421 gameInfo.round = StrSave("-");
12422 gameInfo.white = StrSave(UserName());
12423 gameInfo.black = StrSave(first.tidy);
12424 gameInfo.timeControl = TimeControlTagValue();
12427 case TwoMachinesPlay:
12428 gameInfo.event = StrSave( appData.pgnEventHeader );
12429 gameInfo.site = StrSave(HostName());
12430 gameInfo.date = PGNDate();
12431 if (matchGame > 0) {
12433 sprintf(buf, "%d", matchGame);
12434 gameInfo.round = StrSave(buf);
12436 gameInfo.round = StrSave("-");
12438 if (first.twoMachinesColor[0] == 'w') {
12439 gameInfo.white = StrSave(first.tidy);
12440 gameInfo.black = StrSave(second.tidy);
12442 gameInfo.white = StrSave(second.tidy);
12443 gameInfo.black = StrSave(first.tidy);
12445 gameInfo.timeControl = TimeControlTagValue();
12449 gameInfo.event = StrSave("Edited game");
12450 gameInfo.site = StrSave(HostName());
12451 gameInfo.date = PGNDate();
12452 gameInfo.round = StrSave("-");
12453 gameInfo.white = StrSave("-");
12454 gameInfo.black = StrSave("-");
12455 gameInfo.result = r;
12456 gameInfo.resultDetails = p;
12460 gameInfo.event = StrSave("Edited position");
12461 gameInfo.site = StrSave(HostName());
12462 gameInfo.date = PGNDate();
12463 gameInfo.round = StrSave("-");
12464 gameInfo.white = StrSave("-");
12465 gameInfo.black = StrSave("-");
12468 case IcsPlayingWhite:
12469 case IcsPlayingBlack:
12474 case PlayFromGameFile:
12475 gameInfo.event = StrSave("Game from non-PGN file");
12476 gameInfo.site = StrSave(HostName());
12477 gameInfo.date = PGNDate();
12478 gameInfo.round = StrSave("-");
12479 gameInfo.white = StrSave("?");
12480 gameInfo.black = StrSave("?");
12489 ReplaceComment(index, text)
12495 while (*text == '\n') text++;
12496 len = strlen(text);
12497 while (len > 0 && text[len - 1] == '\n') len--;
12499 if (commentList[index] != NULL)
12500 free(commentList[index]);
12503 commentList[index] = NULL;
12506 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
12507 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
12508 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
12509 commentList[index] = (char *) malloc(len + 2);
12510 strncpy(commentList[index], text, len);
12511 commentList[index][len] = '\n';
12512 commentList[index][len + 1] = NULLCHAR;
12514 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
12516 commentList[index] = (char *) malloc(len + 6);
12517 strcpy(commentList[index], "{\n");
12518 strncpy(commentList[index]+2, text, len);
12519 commentList[index][len+2] = NULLCHAR;
12520 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
12521 strcat(commentList[index], "\n}\n");
12535 if (ch == '\r') continue;
12537 } while (ch != '\0');
12541 AppendComment(index, text, addBraces)
12544 Boolean addBraces; // [HGM] braces: tells if we should add {}
12549 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
12550 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12553 while (*text == '\n') text++;
12554 len = strlen(text);
12555 while (len > 0 && text[len - 1] == '\n') len--;
12557 if (len == 0) return;
12559 if (commentList[index] != NULL) {
12560 old = commentList[index];
12561 oldlen = strlen(old);
12562 while(commentList[index][oldlen-1] == '\n')
12563 commentList[index][--oldlen] = NULLCHAR;
12564 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
12565 strcpy(commentList[index], old);
12567 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
12568 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
12569 if(addBraces) addBraces = FALSE; else { text++; len--; }
12570 while (*text == '\n') { text++; len--; }
12571 commentList[index][--oldlen] = NULLCHAR;
12573 if(addBraces) strcat(commentList[index], "\n{\n");
12574 else strcat(commentList[index], "\n");
12575 strcat(commentList[index], text);
12576 if(addBraces) strcat(commentList[index], "\n}\n");
12577 else strcat(commentList[index], "\n");
12579 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
12581 strcpy(commentList[index], "{\n");
12582 else commentList[index][0] = NULLCHAR;
12583 strcat(commentList[index], text);
12584 strcat(commentList[index], "\n");
12585 if(addBraces) strcat(commentList[index], "}\n");
12589 static char * FindStr( char * text, char * sub_text )
12591 char * result = strstr( text, sub_text );
12593 if( result != NULL ) {
12594 result += strlen( sub_text );
12600 /* [AS] Try to extract PV info from PGN comment */
12601 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12602 char *GetInfoFromComment( int index, char * text )
12606 if( text != NULL && index > 0 ) {
12609 int time = -1, sec = 0, deci;
12610 char * s_eval = FindStr( text, "[%eval " );
12611 char * s_emt = FindStr( text, "[%emt " );
12613 if( s_eval != NULL || s_emt != NULL ) {
12617 if( s_eval != NULL ) {
12618 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12622 if( delim != ']' ) {
12627 if( s_emt != NULL ) {
12632 /* We expect something like: [+|-]nnn.nn/dd */
12635 if(*text != '{') return text; // [HGM] braces: must be normal comment
12637 sep = strchr( text, '/' );
12638 if( sep == NULL || sep < (text+4) ) {
12642 time = -1; sec = -1; deci = -1;
12643 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12644 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12645 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12646 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12650 if( score_lo < 0 || score_lo >= 100 ) {
12654 if(sec >= 0) time = 600*time + 10*sec; else
12655 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12657 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12659 /* [HGM] PV time: now locate end of PV info */
12660 while( *++sep >= '0' && *sep <= '9'); // strip depth
12662 while( *++sep >= '0' && *sep <= '9'); // strip time
12664 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12666 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12667 while(*sep == ' ') sep++;
12678 pvInfoList[index-1].depth = depth;
12679 pvInfoList[index-1].score = score;
12680 pvInfoList[index-1].time = 10*time; // centi-sec
12681 if(*sep == '}') *sep = 0; else *--sep = '{';
12687 SendToProgram(message, cps)
12689 ChessProgramState *cps;
12691 int count, outCount, error;
12694 if (cps->pr == NULL) return;
12697 if (appData.debugMode) {
12700 fprintf(debugFP, "%ld >%-6s: %s",
12701 SubtractTimeMarks(&now, &programStartTime),
12702 cps->which, message);
12705 count = strlen(message);
12706 outCount = OutputToProcess(cps->pr, message, count, &error);
12707 if (outCount < count && !exiting
12708 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
12709 sprintf(buf, _("Error writing to %s chess program"), cps->which);
12710 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12711 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
12712 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12713 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
12715 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12717 gameInfo.resultDetails = StrSave(buf);
12719 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
12724 ReceiveFromProgram(isr, closure, message, count, error)
12725 InputSourceRef isr;
12733 ChessProgramState *cps = (ChessProgramState *)closure;
12735 if (isr != cps->isr) return; /* Killed intentionally */
12739 _("Error: %s chess program (%s) exited unexpectedly"),
12740 cps->which, cps->program);
12741 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12742 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
12743 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12744 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
12746 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12748 gameInfo.resultDetails = StrSave(buf);
12750 RemoveInputSource(cps->isr);
12751 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
12754 _("Error reading from %s chess program (%s)"),
12755 cps->which, cps->program);
12756 RemoveInputSource(cps->isr);
12758 /* [AS] Program is misbehaving badly... kill it */
12759 if( count == -2 ) {
12760 DestroyChildProcess( cps->pr, 9 );
12764 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
12769 if ((end_str = strchr(message, '\r')) != NULL)
12770 *end_str = NULLCHAR;
12771 if ((end_str = strchr(message, '\n')) != NULL)
12772 *end_str = NULLCHAR;
12774 if (appData.debugMode) {
12775 TimeMark now; int print = 1;
12776 char *quote = ""; char c; int i;
12778 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
12779 char start = message[0];
12780 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
12781 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
12782 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
12783 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
12784 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
12785 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
12786 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
12787 sscanf(message, "pong %c", &c)!=1 && start != '#')
12788 { quote = "# "; print = (appData.engineComments == 2); }
12789 message[0] = start; // restore original message
12793 fprintf(debugFP, "%ld <%-6s: %s%s\n",
12794 SubtractTimeMarks(&now, &programStartTime), cps->which,
12800 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
12801 if (appData.icsEngineAnalyze) {
12802 if (strstr(message, "whisper") != NULL ||
12803 strstr(message, "kibitz") != NULL ||
12804 strstr(message, "tellics") != NULL) return;
12807 HandleMachineMove(message, cps);
12812 SendTimeControl(cps, mps, tc, inc, sd, st)
12813 ChessProgramState *cps;
12814 int mps, inc, sd, st;
12820 if( timeControl_2 > 0 ) {
12821 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
12822 tc = timeControl_2;
12825 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
12826 inc /= cps->timeOdds;
12827 st /= cps->timeOdds;
12829 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
12832 /* Set exact time per move, normally using st command */
12833 if (cps->stKludge) {
12834 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
12836 if (seconds == 0) {
12837 sprintf(buf, "level 1 %d\n", st/60);
12839 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
12842 sprintf(buf, "st %d\n", st);
12845 /* Set conventional or incremental time control, using level command */
12846 if (seconds == 0) {
12847 /* Note old gnuchess bug -- minutes:seconds used to not work.
12848 Fixed in later versions, but still avoid :seconds
12849 when seconds is 0. */
12850 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
12852 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
12853 seconds, inc/1000);
12856 SendToProgram(buf, cps);
12858 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
12859 /* Orthogonally, limit search to given depth */
12861 if (cps->sdKludge) {
12862 sprintf(buf, "depth\n%d\n", sd);
12864 sprintf(buf, "sd %d\n", sd);
12866 SendToProgram(buf, cps);
12869 if(cps->nps > 0) { /* [HGM] nps */
12870 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
12872 sprintf(buf, "nps %d\n", cps->nps);
12873 SendToProgram(buf, cps);
12878 ChessProgramState *WhitePlayer()
12879 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
12881 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
12882 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
12888 SendTimeRemaining(cps, machineWhite)
12889 ChessProgramState *cps;
12890 int /*boolean*/ machineWhite;
12892 char message[MSG_SIZ];
12895 /* Note: this routine must be called when the clocks are stopped
12896 or when they have *just* been set or switched; otherwise
12897 it will be off by the time since the current tick started.
12899 if (machineWhite) {
12900 time = whiteTimeRemaining / 10;
12901 otime = blackTimeRemaining / 10;
12903 time = blackTimeRemaining / 10;
12904 otime = whiteTimeRemaining / 10;
12906 /* [HGM] translate opponent's time by time-odds factor */
12907 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
12908 if (appData.debugMode) {
12909 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
12912 if (time <= 0) time = 1;
12913 if (otime <= 0) otime = 1;
12915 sprintf(message, "time %ld\n", time);
12916 SendToProgram(message, cps);
12918 sprintf(message, "otim %ld\n", otime);
12919 SendToProgram(message, cps);
12923 BoolFeature(p, name, loc, cps)
12927 ChessProgramState *cps;
12930 int len = strlen(name);
12932 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12934 sscanf(*p, "%d", &val);
12936 while (**p && **p != ' ') (*p)++;
12937 sprintf(buf, "accepted %s\n", name);
12938 SendToProgram(buf, cps);
12945 IntFeature(p, name, loc, cps)
12949 ChessProgramState *cps;
12952 int len = strlen(name);
12953 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12955 sscanf(*p, "%d", loc);
12956 while (**p && **p != ' ') (*p)++;
12957 sprintf(buf, "accepted %s\n", name);
12958 SendToProgram(buf, cps);
12965 StringFeature(p, name, loc, cps)
12969 ChessProgramState *cps;
12972 int len = strlen(name);
12973 if (strncmp((*p), name, len) == 0
12974 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
12976 sscanf(*p, "%[^\"]", loc);
12977 while (**p && **p != '\"') (*p)++;
12978 if (**p == '\"') (*p)++;
12979 sprintf(buf, "accepted %s\n", name);
12980 SendToProgram(buf, cps);
12987 ParseOption(Option *opt, ChessProgramState *cps)
12988 // [HGM] options: process the string that defines an engine option, and determine
12989 // name, type, default value, and allowed value range
12991 char *p, *q, buf[MSG_SIZ];
12992 int n, min = (-1)<<31, max = 1<<31, def;
12994 if(p = strstr(opt->name, " -spin ")) {
12995 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12996 if(max < min) max = min; // enforce consistency
12997 if(def < min) def = min;
12998 if(def > max) def = max;
13003 } else if((p = strstr(opt->name, " -slider "))) {
13004 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13005 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13006 if(max < min) max = min; // enforce consistency
13007 if(def < min) def = min;
13008 if(def > max) def = max;
13012 opt->type = Spin; // Slider;
13013 } else if((p = strstr(opt->name, " -string "))) {
13014 opt->textValue = p+9;
13015 opt->type = TextBox;
13016 } else if((p = strstr(opt->name, " -file "))) {
13017 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13018 opt->textValue = p+7;
13019 opt->type = TextBox; // FileName;
13020 } else if((p = strstr(opt->name, " -path "))) {
13021 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13022 opt->textValue = p+7;
13023 opt->type = TextBox; // PathName;
13024 } else if(p = strstr(opt->name, " -check ")) {
13025 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13026 opt->value = (def != 0);
13027 opt->type = CheckBox;
13028 } else if(p = strstr(opt->name, " -combo ")) {
13029 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13030 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13031 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13032 opt->value = n = 0;
13033 while(q = StrStr(q, " /// ")) {
13034 n++; *q = 0; // count choices, and null-terminate each of them
13036 if(*q == '*') { // remember default, which is marked with * prefix
13040 cps->comboList[cps->comboCnt++] = q;
13042 cps->comboList[cps->comboCnt++] = NULL;
13044 opt->type = ComboBox;
13045 } else if(p = strstr(opt->name, " -button")) {
13046 opt->type = Button;
13047 } else if(p = strstr(opt->name, " -save")) {
13048 opt->type = SaveButton;
13049 } else return FALSE;
13050 *p = 0; // terminate option name
13051 // now look if the command-line options define a setting for this engine option.
13052 if(cps->optionSettings && cps->optionSettings[0])
13053 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13054 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13055 sprintf(buf, "option %s", p);
13056 if(p = strstr(buf, ",")) *p = 0;
13058 SendToProgram(buf, cps);
13064 FeatureDone(cps, val)
13065 ChessProgramState* cps;
13068 DelayedEventCallback cb = GetDelayedEvent();
13069 if ((cb == InitBackEnd3 && cps == &first) ||
13070 (cb == TwoMachinesEventIfReady && cps == &second)) {
13071 CancelDelayedEvent();
13072 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13074 cps->initDone = val;
13077 /* Parse feature command from engine */
13079 ParseFeatures(args, cps)
13081 ChessProgramState *cps;
13089 while (*p == ' ') p++;
13090 if (*p == NULLCHAR) return;
13092 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13093 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13094 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13095 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13096 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13097 if (BoolFeature(&p, "reuse", &val, cps)) {
13098 /* Engine can disable reuse, but can't enable it if user said no */
13099 if (!val) cps->reuse = FALSE;
13102 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13103 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13104 if (gameMode == TwoMachinesPlay) {
13105 DisplayTwoMachinesTitle();
13111 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13112 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13113 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13114 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13115 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13116 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13117 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13118 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13119 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13120 if (IntFeature(&p, "done", &val, cps)) {
13121 FeatureDone(cps, val);
13124 /* Added by Tord: */
13125 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13126 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13127 /* End of additions by Tord */
13129 /* [HGM] added features: */
13130 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13131 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13132 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13133 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13134 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13135 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13136 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13137 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13138 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13139 SendToProgram(buf, cps);
13142 if(cps->nrOptions >= MAX_OPTIONS) {
13144 sprintf(buf, "%s engine has too many options\n", cps->which);
13145 DisplayError(buf, 0);
13149 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13150 /* End of additions by HGM */
13152 /* unknown feature: complain and skip */
13154 while (*q && *q != '=') q++;
13155 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13156 SendToProgram(buf, cps);
13162 while (*p && *p != '\"') p++;
13163 if (*p == '\"') p++;
13165 while (*p && *p != ' ') p++;
13173 PeriodicUpdatesEvent(newState)
13176 if (newState == appData.periodicUpdates)
13179 appData.periodicUpdates=newState;
13181 /* Display type changes, so update it now */
13182 // DisplayAnalysis();
13184 /* Get the ball rolling again... */
13186 AnalysisPeriodicEvent(1);
13187 StartAnalysisClock();
13192 PonderNextMoveEvent(newState)
13195 if (newState == appData.ponderNextMove) return;
13196 if (gameMode == EditPosition) EditPositionDone(TRUE);
13198 SendToProgram("hard\n", &first);
13199 if (gameMode == TwoMachinesPlay) {
13200 SendToProgram("hard\n", &second);
13203 SendToProgram("easy\n", &first);
13204 thinkOutput[0] = NULLCHAR;
13205 if (gameMode == TwoMachinesPlay) {
13206 SendToProgram("easy\n", &second);
13209 appData.ponderNextMove = newState;
13213 NewSettingEvent(option, command, value)
13219 if (gameMode == EditPosition) EditPositionDone(TRUE);
13220 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13221 SendToProgram(buf, &first);
13222 if (gameMode == TwoMachinesPlay) {
13223 SendToProgram(buf, &second);
13228 ShowThinkingEvent()
13229 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13231 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13232 int newState = appData.showThinking
13233 // [HGM] thinking: other features now need thinking output as well
13234 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13236 if (oldState == newState) return;
13237 oldState = newState;
13238 if (gameMode == EditPosition) EditPositionDone(TRUE);
13240 SendToProgram("post\n", &first);
13241 if (gameMode == TwoMachinesPlay) {
13242 SendToProgram("post\n", &second);
13245 SendToProgram("nopost\n", &first);
13246 thinkOutput[0] = NULLCHAR;
13247 if (gameMode == TwoMachinesPlay) {
13248 SendToProgram("nopost\n", &second);
13251 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13255 AskQuestionEvent(title, question, replyPrefix, which)
13256 char *title; char *question; char *replyPrefix; char *which;
13258 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13259 if (pr == NoProc) return;
13260 AskQuestion(title, question, replyPrefix, pr);
13264 DisplayMove(moveNumber)
13267 char message[MSG_SIZ];
13269 char cpThinkOutput[MSG_SIZ];
13271 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13273 if (moveNumber == forwardMostMove - 1 ||
13274 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13276 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13278 if (strchr(cpThinkOutput, '\n')) {
13279 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13282 *cpThinkOutput = NULLCHAR;
13285 /* [AS] Hide thinking from human user */
13286 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13287 *cpThinkOutput = NULLCHAR;
13288 if( thinkOutput[0] != NULLCHAR ) {
13291 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13292 cpThinkOutput[i] = '.';
13294 cpThinkOutput[i] = NULLCHAR;
13295 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13299 if (moveNumber == forwardMostMove - 1 &&
13300 gameInfo.resultDetails != NULL) {
13301 if (gameInfo.resultDetails[0] == NULLCHAR) {
13302 sprintf(res, " %s", PGNResult(gameInfo.result));
13304 sprintf(res, " {%s} %s",
13305 gameInfo.resultDetails, PGNResult(gameInfo.result));
13311 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13312 DisplayMessage(res, cpThinkOutput);
13314 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13315 WhiteOnMove(moveNumber) ? " " : ".. ",
13316 parseList[moveNumber], res);
13317 DisplayMessage(message, cpThinkOutput);
13322 DisplayComment(moveNumber, text)
13326 char title[MSG_SIZ];
13327 char buf[8000]; // comment can be long!
13330 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13331 strcpy(title, "Comment");
13333 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13334 WhiteOnMove(moveNumber) ? " " : ".. ",
13335 parseList[moveNumber]);
13337 // [HGM] PV info: display PV info together with (or as) comment
13338 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13339 if(text == NULL) text = "";
13340 score = pvInfoList[moveNumber].score;
13341 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13342 depth, (pvInfoList[moveNumber].time+50)/100, text);
13345 if (text != NULL && (appData.autoDisplayComment || commentUp))
13346 CommentPopUp(title, text);
13349 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13350 * might be busy thinking or pondering. It can be omitted if your
13351 * gnuchess is configured to stop thinking immediately on any user
13352 * input. However, that gnuchess feature depends on the FIONREAD
13353 * ioctl, which does not work properly on some flavors of Unix.
13357 ChessProgramState *cps;
13360 if (!cps->useSigint) return;
13361 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13362 switch (gameMode) {
13363 case MachinePlaysWhite:
13364 case MachinePlaysBlack:
13365 case TwoMachinesPlay:
13366 case IcsPlayingWhite:
13367 case IcsPlayingBlack:
13370 /* Skip if we know it isn't thinking */
13371 if (!cps->maybeThinking) return;
13372 if (appData.debugMode)
13373 fprintf(debugFP, "Interrupting %s\n", cps->which);
13374 InterruptChildProcess(cps->pr);
13375 cps->maybeThinking = FALSE;
13380 #endif /*ATTENTION*/
13386 if (whiteTimeRemaining <= 0) {
13389 if (appData.icsActive) {
13390 if (appData.autoCallFlag &&
13391 gameMode == IcsPlayingBlack && !blackFlag) {
13392 SendToICS(ics_prefix);
13393 SendToICS("flag\n");
13397 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13399 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13400 if (appData.autoCallFlag) {
13401 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13408 if (blackTimeRemaining <= 0) {
13411 if (appData.icsActive) {
13412 if (appData.autoCallFlag &&
13413 gameMode == IcsPlayingWhite && !whiteFlag) {
13414 SendToICS(ics_prefix);
13415 SendToICS("flag\n");
13419 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13421 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13422 if (appData.autoCallFlag) {
13423 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13436 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13437 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13440 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13442 if ( !WhiteOnMove(forwardMostMove) )
13443 /* White made time control */
13444 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13445 /* [HGM] time odds: correct new time quota for time odds! */
13446 / WhitePlayer()->timeOdds;
13448 /* Black made time control */
13449 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13450 / WhitePlayer()->other->timeOdds;
13454 DisplayBothClocks()
13456 int wom = gameMode == EditPosition ?
13457 !blackPlaysFirst : WhiteOnMove(currentMove);
13458 DisplayWhiteClock(whiteTimeRemaining, wom);
13459 DisplayBlackClock(blackTimeRemaining, !wom);
13463 /* Timekeeping seems to be a portability nightmare. I think everyone
13464 has ftime(), but I'm really not sure, so I'm including some ifdefs
13465 to use other calls if you don't. Clocks will be less accurate if
13466 you have neither ftime nor gettimeofday.
13469 /* VS 2008 requires the #include outside of the function */
13470 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13471 #include <sys/timeb.h>
13474 /* Get the current time as a TimeMark */
13479 #if HAVE_GETTIMEOFDAY
13481 struct timeval timeVal;
13482 struct timezone timeZone;
13484 gettimeofday(&timeVal, &timeZone);
13485 tm->sec = (long) timeVal.tv_sec;
13486 tm->ms = (int) (timeVal.tv_usec / 1000L);
13488 #else /*!HAVE_GETTIMEOFDAY*/
13491 // include <sys/timeb.h> / moved to just above start of function
13492 struct timeb timeB;
13495 tm->sec = (long) timeB.time;
13496 tm->ms = (int) timeB.millitm;
13498 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13499 tm->sec = (long) time(NULL);
13505 /* Return the difference in milliseconds between two
13506 time marks. We assume the difference will fit in a long!
13509 SubtractTimeMarks(tm2, tm1)
13510 TimeMark *tm2, *tm1;
13512 return 1000L*(tm2->sec - tm1->sec) +
13513 (long) (tm2->ms - tm1->ms);
13518 * Code to manage the game clocks.
13520 * In tournament play, black starts the clock and then white makes a move.
13521 * We give the human user a slight advantage if he is playing white---the
13522 * clocks don't run until he makes his first move, so it takes zero time.
13523 * Also, we don't account for network lag, so we could get out of sync
13524 * with GNU Chess's clock -- but then, referees are always right.
13527 static TimeMark tickStartTM;
13528 static long intendedTickLength;
13531 NextTickLength(timeRemaining)
13532 long timeRemaining;
13534 long nominalTickLength, nextTickLength;
13536 if (timeRemaining > 0L && timeRemaining <= 10000L)
13537 nominalTickLength = 100L;
13539 nominalTickLength = 1000L;
13540 nextTickLength = timeRemaining % nominalTickLength;
13541 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13543 return nextTickLength;
13546 /* Adjust clock one minute up or down */
13548 AdjustClock(Boolean which, int dir)
13550 if(which) blackTimeRemaining += 60000*dir;
13551 else whiteTimeRemaining += 60000*dir;
13552 DisplayBothClocks();
13555 /* Stop clocks and reset to a fresh time control */
13559 (void) StopClockTimer();
13560 if (appData.icsActive) {
13561 whiteTimeRemaining = blackTimeRemaining = 0;
13562 } else if (searchTime) {
13563 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
13564 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
13565 } else { /* [HGM] correct new time quote for time odds */
13566 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13567 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13569 if (whiteFlag || blackFlag) {
13571 whiteFlag = blackFlag = FALSE;
13573 DisplayBothClocks();
13576 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13578 /* Decrement running clock by amount of time that has passed */
13582 long timeRemaining;
13583 long lastTickLength, fudge;
13586 if (!appData.clockMode) return;
13587 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13591 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13593 /* Fudge if we woke up a little too soon */
13594 fudge = intendedTickLength - lastTickLength;
13595 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13597 if (WhiteOnMove(forwardMostMove)) {
13598 if(whiteNPS >= 0) lastTickLength = 0;
13599 timeRemaining = whiteTimeRemaining -= lastTickLength;
13600 DisplayWhiteClock(whiteTimeRemaining - fudge,
13601 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
13603 if(blackNPS >= 0) lastTickLength = 0;
13604 timeRemaining = blackTimeRemaining -= lastTickLength;
13605 DisplayBlackClock(blackTimeRemaining - fudge,
13606 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
13609 if (CheckFlags()) return;
13612 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13613 StartClockTimer(intendedTickLength);
13615 /* if the time remaining has fallen below the alarm threshold, sound the
13616 * alarm. if the alarm has sounded and (due to a takeback or time control
13617 * with increment) the time remaining has increased to a level above the
13618 * threshold, reset the alarm so it can sound again.
13621 if (appData.icsActive && appData.icsAlarm) {
13623 /* make sure we are dealing with the user's clock */
13624 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13625 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13628 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13629 alarmSounded = FALSE;
13630 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13632 alarmSounded = TRUE;
13638 /* A player has just moved, so stop the previously running
13639 clock and (if in clock mode) start the other one.
13640 We redisplay both clocks in case we're in ICS mode, because
13641 ICS gives us an update to both clocks after every move.
13642 Note that this routine is called *after* forwardMostMove
13643 is updated, so the last fractional tick must be subtracted
13644 from the color that is *not* on move now.
13649 long lastTickLength;
13651 int flagged = FALSE;
13655 if (StopClockTimer() && appData.clockMode) {
13656 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13657 if (WhiteOnMove(forwardMostMove)) {
13658 if(blackNPS >= 0) lastTickLength = 0;
13659 blackTimeRemaining -= lastTickLength;
13660 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13661 // if(pvInfoList[forwardMostMove-1].time == -1)
13662 pvInfoList[forwardMostMove-1].time = // use GUI time
13663 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13665 if(whiteNPS >= 0) lastTickLength = 0;
13666 whiteTimeRemaining -= lastTickLength;
13667 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13668 // if(pvInfoList[forwardMostMove-1].time == -1)
13669 pvInfoList[forwardMostMove-1].time =
13670 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13672 flagged = CheckFlags();
13674 CheckTimeControl();
13676 if (flagged || !appData.clockMode) return;
13678 switch (gameMode) {
13679 case MachinePlaysBlack:
13680 case MachinePlaysWhite:
13681 case BeginningOfGame:
13682 if (pausing) return;
13686 case PlayFromGameFile:
13694 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
13695 if(WhiteOnMove(forwardMostMove))
13696 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
13697 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
13701 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13702 whiteTimeRemaining : blackTimeRemaining);
13703 StartClockTimer(intendedTickLength);
13707 /* Stop both clocks */
13711 long lastTickLength;
13714 if (!StopClockTimer()) return;
13715 if (!appData.clockMode) return;
13719 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13720 if (WhiteOnMove(forwardMostMove)) {
13721 if(whiteNPS >= 0) lastTickLength = 0;
13722 whiteTimeRemaining -= lastTickLength;
13723 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
13725 if(blackNPS >= 0) lastTickLength = 0;
13726 blackTimeRemaining -= lastTickLength;
13727 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
13732 /* Start clock of player on move. Time may have been reset, so
13733 if clock is already running, stop and restart it. */
13737 (void) StopClockTimer(); /* in case it was running already */
13738 DisplayBothClocks();
13739 if (CheckFlags()) return;
13741 if (!appData.clockMode) return;
13742 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
13744 GetTimeMark(&tickStartTM);
13745 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13746 whiteTimeRemaining : blackTimeRemaining);
13748 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
13749 whiteNPS = blackNPS = -1;
13750 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
13751 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
13752 whiteNPS = first.nps;
13753 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
13754 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
13755 blackNPS = first.nps;
13756 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
13757 whiteNPS = second.nps;
13758 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
13759 blackNPS = second.nps;
13760 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
13762 StartClockTimer(intendedTickLength);
13769 long second, minute, hour, day;
13771 static char buf[32];
13773 if (ms > 0 && ms <= 9900) {
13774 /* convert milliseconds to tenths, rounding up */
13775 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
13777 sprintf(buf, " %03.1f ", tenths/10.0);
13781 /* convert milliseconds to seconds, rounding up */
13782 /* use floating point to avoid strangeness of integer division
13783 with negative dividends on many machines */
13784 second = (long) floor(((double) (ms + 999L)) / 1000.0);
13791 day = second / (60 * 60 * 24);
13792 second = second % (60 * 60 * 24);
13793 hour = second / (60 * 60);
13794 second = second % (60 * 60);
13795 minute = second / 60;
13796 second = second % 60;
13799 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
13800 sign, day, hour, minute, second);
13802 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
13804 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
13811 * This is necessary because some C libraries aren't ANSI C compliant yet.
13814 StrStr(string, match)
13815 char *string, *match;
13819 length = strlen(match);
13821 for (i = strlen(string) - length; i >= 0; i--, string++)
13822 if (!strncmp(match, string, length))
13829 StrCaseStr(string, match)
13830 char *string, *match;
13834 length = strlen(match);
13836 for (i = strlen(string) - length; i >= 0; i--, string++) {
13837 for (j = 0; j < length; j++) {
13838 if (ToLower(match[j]) != ToLower(string[j]))
13841 if (j == length) return string;
13855 c1 = ToLower(*s1++);
13856 c2 = ToLower(*s2++);
13857 if (c1 > c2) return 1;
13858 if (c1 < c2) return -1;
13859 if (c1 == NULLCHAR) return 0;
13868 return isupper(c) ? tolower(c) : c;
13876 return islower(c) ? toupper(c) : c;
13878 #endif /* !_amigados */
13886 if ((ret = (char *) malloc(strlen(s) + 1))) {
13893 StrSavePtr(s, savePtr)
13894 char *s, **savePtr;
13899 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
13900 strcpy(*savePtr, s);
13912 clock = time((time_t *)NULL);
13913 tm = localtime(&clock);
13914 sprintf(buf, "%04d.%02d.%02d",
13915 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
13916 return StrSave(buf);
13921 PositionToFEN(move, overrideCastling)
13923 char *overrideCastling;
13925 int i, j, fromX, fromY, toX, toY;
13932 whiteToPlay = (gameMode == EditPosition) ?
13933 !blackPlaysFirst : (move % 2 == 0);
13936 /* Piece placement data */
13937 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13939 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13940 if (boards[move][i][j] == EmptySquare) {
13942 } else { ChessSquare piece = boards[move][i][j];
13943 if (emptycount > 0) {
13944 if(emptycount<10) /* [HGM] can be >= 10 */
13945 *p++ = '0' + emptycount;
13946 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13949 if(PieceToChar(piece) == '+') {
13950 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
13952 piece = (ChessSquare)(DEMOTED piece);
13954 *p++ = PieceToChar(piece);
13956 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
13957 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
13962 if (emptycount > 0) {
13963 if(emptycount<10) /* [HGM] can be >= 10 */
13964 *p++ = '0' + emptycount;
13965 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13972 /* [HGM] print Crazyhouse or Shogi holdings */
13973 if( gameInfo.holdingsWidth ) {
13974 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
13976 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
13977 piece = boards[move][i][BOARD_WIDTH-1];
13978 if( piece != EmptySquare )
13979 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
13980 *p++ = PieceToChar(piece);
13982 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
13983 piece = boards[move][BOARD_HEIGHT-i-1][0];
13984 if( piece != EmptySquare )
13985 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
13986 *p++ = PieceToChar(piece);
13989 if( q == p ) *p++ = '-';
13995 *p++ = whiteToPlay ? 'w' : 'b';
13998 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
13999 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14001 if(nrCastlingRights) {
14003 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14004 /* [HGM] write directly from rights */
14005 if(boards[move][CASTLING][2] != NoRights &&
14006 boards[move][CASTLING][0] != NoRights )
14007 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14008 if(boards[move][CASTLING][2] != NoRights &&
14009 boards[move][CASTLING][1] != NoRights )
14010 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14011 if(boards[move][CASTLING][5] != NoRights &&
14012 boards[move][CASTLING][3] != NoRights )
14013 *p++ = boards[move][CASTLING][3] + AAA;
14014 if(boards[move][CASTLING][5] != NoRights &&
14015 boards[move][CASTLING][4] != NoRights )
14016 *p++ = boards[move][CASTLING][4] + AAA;
14019 /* [HGM] write true castling rights */
14020 if( nrCastlingRights == 6 ) {
14021 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14022 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14023 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14024 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14025 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14026 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14027 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14028 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14031 if (q == p) *p++ = '-'; /* No castling rights */
14035 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14036 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14037 /* En passant target square */
14038 if (move > backwardMostMove) {
14039 fromX = moveList[move - 1][0] - AAA;
14040 fromY = moveList[move - 1][1] - ONE;
14041 toX = moveList[move - 1][2] - AAA;
14042 toY = moveList[move - 1][3] - ONE;
14043 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14044 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14045 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14047 /* 2-square pawn move just happened */
14049 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14053 } else if(move == backwardMostMove) {
14054 // [HGM] perhaps we should always do it like this, and forget the above?
14055 if((signed char)boards[move][EP_STATUS] >= 0) {
14056 *p++ = boards[move][EP_STATUS] + AAA;
14057 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14068 /* [HGM] find reversible plies */
14069 { int i = 0, j=move;
14071 if (appData.debugMode) { int k;
14072 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14073 for(k=backwardMostMove; k<=forwardMostMove; k++)
14074 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14078 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14079 if( j == backwardMostMove ) i += initialRulePlies;
14080 sprintf(p, "%d ", i);
14081 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14083 /* Fullmove number */
14084 sprintf(p, "%d", (move / 2) + 1);
14086 return StrSave(buf);
14090 ParseFEN(board, blackPlaysFirst, fen)
14092 int *blackPlaysFirst;
14102 /* [HGM] by default clear Crazyhouse holdings, if present */
14103 if(gameInfo.holdingsWidth) {
14104 for(i=0; i<BOARD_HEIGHT; i++) {
14105 board[i][0] = EmptySquare; /* black holdings */
14106 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14107 board[i][1] = (ChessSquare) 0; /* black counts */
14108 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14112 /* Piece placement data */
14113 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14116 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14117 if (*p == '/') p++;
14118 emptycount = gameInfo.boardWidth - j;
14119 while (emptycount--)
14120 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14122 #if(BOARD_FILES >= 10)
14123 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14124 p++; emptycount=10;
14125 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14126 while (emptycount--)
14127 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14129 } else if (isdigit(*p)) {
14130 emptycount = *p++ - '0';
14131 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14132 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14133 while (emptycount--)
14134 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14135 } else if (*p == '+' || isalpha(*p)) {
14136 if (j >= gameInfo.boardWidth) return FALSE;
14138 piece = CharToPiece(*++p);
14139 if(piece == EmptySquare) return FALSE; /* unknown piece */
14140 piece = (ChessSquare) (PROMOTED piece ); p++;
14141 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14142 } else piece = CharToPiece(*p++);
14144 if(piece==EmptySquare) return FALSE; /* unknown piece */
14145 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14146 piece = (ChessSquare) (PROMOTED piece);
14147 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14150 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14156 while (*p == '/' || *p == ' ') p++;
14158 /* [HGM] look for Crazyhouse holdings here */
14159 while(*p==' ') p++;
14160 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14162 if(*p == '-' ) *p++; /* empty holdings */ else {
14163 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14164 /* if we would allow FEN reading to set board size, we would */
14165 /* have to add holdings and shift the board read so far here */
14166 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14168 if((int) piece >= (int) BlackPawn ) {
14169 i = (int)piece - (int)BlackPawn;
14170 i = PieceToNumber((ChessSquare)i);
14171 if( i >= gameInfo.holdingsSize ) return FALSE;
14172 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14173 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14175 i = (int)piece - (int)WhitePawn;
14176 i = PieceToNumber((ChessSquare)i);
14177 if( i >= gameInfo.holdingsSize ) return FALSE;
14178 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14179 board[i][BOARD_WIDTH-2]++; /* black holdings */
14183 if(*p == ']') *p++;
14186 while(*p == ' ') p++;
14191 *blackPlaysFirst = FALSE;
14194 *blackPlaysFirst = TRUE;
14200 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14201 /* return the extra info in global variiables */
14203 /* set defaults in case FEN is incomplete */
14204 board[EP_STATUS] = EP_UNKNOWN;
14205 for(i=0; i<nrCastlingRights; i++ ) {
14206 board[CASTLING][i] =
14207 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14208 } /* assume possible unless obviously impossible */
14209 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14210 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14211 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14212 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14213 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14214 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14215 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14216 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14219 while(*p==' ') p++;
14220 if(nrCastlingRights) {
14221 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14222 /* castling indicator present, so default becomes no castlings */
14223 for(i=0; i<nrCastlingRights; i++ ) {
14224 board[CASTLING][i] = NoRights;
14227 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14228 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14229 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14230 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14231 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14233 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14234 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14235 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14237 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14238 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14239 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14240 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14241 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14242 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14245 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14246 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14247 board[CASTLING][2] = whiteKingFile;
14250 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14251 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14252 board[CASTLING][2] = whiteKingFile;
14255 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14256 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14257 board[CASTLING][5] = blackKingFile;
14260 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14261 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14262 board[CASTLING][5] = blackKingFile;
14265 default: /* FRC castlings */
14266 if(c >= 'a') { /* black rights */
14267 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14268 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14269 if(i == BOARD_RGHT) break;
14270 board[CASTLING][5] = i;
14272 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14273 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14275 board[CASTLING][3] = c;
14277 board[CASTLING][4] = c;
14278 } else { /* white rights */
14279 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14280 if(board[0][i] == WhiteKing) break;
14281 if(i == BOARD_RGHT) break;
14282 board[CASTLING][2] = i;
14283 c -= AAA - 'a' + 'A';
14284 if(board[0][c] >= WhiteKing) break;
14286 board[CASTLING][0] = c;
14288 board[CASTLING][1] = c;
14292 for(i=0; i<nrCastlingRights; i++)
14293 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14294 if (appData.debugMode) {
14295 fprintf(debugFP, "FEN castling rights:");
14296 for(i=0; i<nrCastlingRights; i++)
14297 fprintf(debugFP, " %d", board[CASTLING][i]);
14298 fprintf(debugFP, "\n");
14301 while(*p==' ') p++;
14304 /* read e.p. field in games that know e.p. capture */
14305 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14306 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14308 p++; board[EP_STATUS] = EP_NONE;
14310 char c = *p++ - AAA;
14312 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14313 if(*p >= '0' && *p <='9') *p++;
14314 board[EP_STATUS] = c;
14319 if(sscanf(p, "%d", &i) == 1) {
14320 FENrulePlies = i; /* 50-move ply counter */
14321 /* (The move number is still ignored) */
14328 EditPositionPasteFEN(char *fen)
14331 Board initial_position;
14333 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14334 DisplayError(_("Bad FEN position in clipboard"), 0);
14337 int savedBlackPlaysFirst = blackPlaysFirst;
14338 EditPositionEvent();
14339 blackPlaysFirst = savedBlackPlaysFirst;
14340 CopyBoard(boards[0], initial_position);
14341 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14342 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14343 DisplayBothClocks();
14344 DrawPosition(FALSE, boards[currentMove]);
14349 static char cseq[12] = "\\ ";
14351 Boolean set_cont_sequence(char *new_seq)
14356 // handle bad attempts to set the sequence
14358 return 0; // acceptable error - no debug
14360 len = strlen(new_seq);
14361 ret = (len > 0) && (len < sizeof(cseq));
14363 strcpy(cseq, new_seq);
14364 else if (appData.debugMode)
14365 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14370 reformat a source message so words don't cross the width boundary. internal
14371 newlines are not removed. returns the wrapped size (no null character unless
14372 included in source message). If dest is NULL, only calculate the size required
14373 for the dest buffer. lp argument indicats line position upon entry, and it's
14374 passed back upon exit.
14376 int wrap(char *dest, char *src, int count, int width, int *lp)
14378 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14380 cseq_len = strlen(cseq);
14381 old_line = line = *lp;
14382 ansi = len = clen = 0;
14384 for (i=0; i < count; i++)
14386 if (src[i] == '\033')
14389 // if we hit the width, back up
14390 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14392 // store i & len in case the word is too long
14393 old_i = i, old_len = len;
14395 // find the end of the last word
14396 while (i && src[i] != ' ' && src[i] != '\n')
14402 // word too long? restore i & len before splitting it
14403 if ((old_i-i+clen) >= width)
14410 if (i && src[i-1] == ' ')
14413 if (src[i] != ' ' && src[i] != '\n')
14420 // now append the newline and continuation sequence
14425 strncpy(dest+len, cseq, cseq_len);
14433 dest[len] = src[i];
14437 if (src[i] == '\n')
14442 if (dest && appData.debugMode)
14444 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14445 count, width, line, len, *lp);
14446 show_bytes(debugFP, src, count);
14447 fprintf(debugFP, "\ndest: ");
14448 show_bytes(debugFP, dest, len);
14449 fprintf(debugFP, "\n");
14451 *lp = dest ? line : old_line;
14456 // [HGM] vari: routines for shelving variations
14459 PushTail(int firstMove, int lastMove)
14461 int i, j, nrMoves = lastMove - firstMove;
14463 if(appData.icsActive) { // only in local mode
14464 forwardMostMove = currentMove; // mimic old ICS behavior
14467 if(storedGames >= MAX_VARIATIONS-1) return;
14469 // push current tail of game on stack
14470 savedResult[storedGames] = gameInfo.result;
14471 savedDetails[storedGames] = gameInfo.resultDetails;
14472 gameInfo.resultDetails = NULL;
14473 savedFirst[storedGames] = firstMove;
14474 savedLast [storedGames] = lastMove;
14475 savedFramePtr[storedGames] = framePtr;
14476 framePtr -= nrMoves; // reserve space for the boards
14477 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
14478 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
14479 for(j=0; j<MOVE_LEN; j++)
14480 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
14481 for(j=0; j<2*MOVE_LEN; j++)
14482 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
14483 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
14484 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
14485 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
14486 pvInfoList[firstMove+i-1].depth = 0;
14487 commentList[framePtr+i] = commentList[firstMove+i];
14488 commentList[firstMove+i] = NULL;
14492 forwardMostMove = currentMove; // truncte game so we can start variation
14493 if(storedGames == 1) GreyRevert(FALSE);
14497 PopTail(Boolean annotate)
14500 char buf[8000], moveBuf[20];
14502 if(appData.icsActive) return FALSE; // only in local mode
14503 if(!storedGames) return FALSE; // sanity
14506 ToNrEvent(savedFirst[storedGames]); // sets currentMove
14507 nrMoves = savedLast[storedGames] - currentMove;
14510 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
14511 else strcpy(buf, "(");
14512 for(i=currentMove; i<forwardMostMove; i++) {
14514 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
14515 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
14516 strcat(buf, moveBuf);
14517 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
14521 for(i=1; i<nrMoves; i++) { // copy last variation back
14522 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
14523 for(j=0; j<MOVE_LEN; j++)
14524 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
14525 for(j=0; j<2*MOVE_LEN; j++)
14526 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
14527 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
14528 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
14529 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
14530 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
14531 commentList[currentMove+i] = commentList[framePtr+i];
14532 commentList[framePtr+i] = NULL;
14534 if(annotate) AppendComment(currentMove+1, buf, FALSE);
14535 framePtr = savedFramePtr[storedGames];
14536 gameInfo.result = savedResult[storedGames];
14537 if(gameInfo.resultDetails != NULL) {
14538 free(gameInfo.resultDetails);
14540 gameInfo.resultDetails = savedDetails[storedGames];
14541 forwardMostMove = currentMove + nrMoves;
14542 if(storedGames == 0) GreyRevert(TRUE);
14548 { // remove all shelved variations
14550 for(i=0; i<storedGames; i++) {
14551 if(savedDetails[i])
14552 free(savedDetails[i]);
14553 savedDetails[i] = NULL;
14555 for(i=framePtr; i<MAX_MOVES; i++) {
14556 if(commentList[i]) free(commentList[i]);
14557 commentList[i] = NULL;
14559 framePtr = MAX_MOVES-1;