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,
163 Board board, char *castle, char *ep));
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 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
171 void EditPositionDone P((void));
172 void PrintOpponents P((FILE *fp));
173 void PrintPosition P((FILE *fp, int move));
174 void StartChessProgram P((ChessProgramState *cps));
175 void SendToProgram P((char *message, ChessProgramState *cps));
176 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
177 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
178 char *buf, int count, int error));
179 void SendTimeControl P((ChessProgramState *cps,
180 int mps, long tc, int inc, int sd, int st));
181 char *TimeControlTagValue P((void));
182 void Attention P((ChessProgramState *cps));
183 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
184 void ResurrectChessProgram P((void));
185 void DisplayComment P((int moveNumber, char *text));
186 void DisplayMove P((int moveNumber));
188 void ParseGameHistory P((char *game));
189 void ParseBoard12 P((char *string));
190 void StartClocks P((void));
191 void SwitchClocks P((void));
192 void StopClocks P((void));
193 void ResetClocks P((void));
194 char *PGNDate P((void));
195 void SetGameInfo P((void));
196 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
197 int RegisterMove P((void));
198 void MakeRegisteredMove P((void));
199 void TruncateGame P((void));
200 int looking_at P((char *, int *, char *));
201 void CopyPlayerNameIntoFileName P((char **, char *));
202 char *SavePart P((char *));
203 int SaveGameOldStyle P((FILE *));
204 int SaveGamePGN P((FILE *));
205 void GetTimeMark P((TimeMark *));
206 long SubtractTimeMarks P((TimeMark *, TimeMark *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
222 extern void ConsoleCreate();
225 ChessProgramState *WhitePlayer();
226 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
227 int VerifyDisplayMode P(());
229 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
230 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
231 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
232 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
233 void ics_update_width P((int new_width));
234 extern char installDir[MSG_SIZ];
236 extern int tinyLayout, smallLayout;
237 ChessProgramStats programStats;
238 static int exiting = 0; /* [HGM] moved to top */
239 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
240 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
241 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
242 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
243 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
244 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
245 int opponentKibitzes;
246 int lastSavedGame; /* [HGM] save: ID of game */
247 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
248 extern int chatCount;
251 /* States for ics_getting_history */
253 #define H_REQUESTED 1
254 #define H_GOT_REQ_HEADER 2
255 #define H_GOT_UNREQ_HEADER 3
256 #define H_GETTING_MOVES 4
257 #define H_GOT_UNWANTED_HEADER 5
259 /* whosays values for GameEnds */
268 /* Maximum number of games in a cmail message */
269 #define CMAIL_MAX_GAMES 20
271 /* Different types of move when calling RegisterMove */
273 #define CMAIL_RESIGN 1
275 #define CMAIL_ACCEPT 3
277 /* Different types of result to remember for each game */
278 #define CMAIL_NOT_RESULT 0
279 #define CMAIL_OLD_RESULT 1
280 #define CMAIL_NEW_RESULT 2
282 /* Telnet protocol constants */
293 static char * safeStrCpy( char * dst, const char * src, size_t count )
295 assert( dst != NULL );
296 assert( src != NULL );
299 strncpy( dst, src, count );
300 dst[ count-1 ] = '\0';
304 /* Some compiler can't cast u64 to double
305 * This function do the job for us:
307 * We use the highest bit for cast, this only
308 * works if the highest bit is not
309 * in use (This should not happen)
311 * We used this for all compiler
314 u64ToDouble(u64 value)
317 u64 tmp = value & u64Const(0x7fffffffffffffff);
318 r = (double)(s64)tmp;
319 if (value & u64Const(0x8000000000000000))
320 r += 9.2233720368547758080e18; /* 2^63 */
324 /* Fake up flags for now, as we aren't keeping track of castling
325 availability yet. [HGM] Change of logic: the flag now only
326 indicates the type of castlings allowed by the rule of the game.
327 The actual rights themselves are maintained in the array
328 castlingRights, as part of the game history, and are not probed
334 int flags = F_ALL_CASTLE_OK;
335 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
336 switch (gameInfo.variant) {
338 flags &= ~F_ALL_CASTLE_OK;
339 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
340 flags |= F_IGNORE_CHECK;
342 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
345 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
347 case VariantKriegspiel:
348 flags |= F_KRIEGSPIEL_CAPTURE;
350 case VariantCapaRandom:
351 case VariantFischeRandom:
352 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
353 case VariantNoCastle:
354 case VariantShatranj:
356 flags &= ~F_ALL_CASTLE_OK;
364 FILE *gameFileFP, *debugFP;
367 [AS] Note: sometimes, the sscanf() function is used to parse the input
368 into a fixed-size buffer. Because of this, we must be prepared to
369 receive strings as long as the size of the input buffer, which is currently
370 set to 4K for Windows and 8K for the rest.
371 So, we must either allocate sufficiently large buffers here, or
372 reduce the size of the input buffer in the input reading part.
375 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
376 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
377 char thinkOutput1[MSG_SIZ*10];
379 ChessProgramState first, second;
381 /* premove variables */
384 int premoveFromX = 0;
385 int premoveFromY = 0;
386 int premovePromoChar = 0;
388 Boolean alarmSounded;
389 /* end premove variables */
391 char *ics_prefix = "$";
392 int ics_type = ICS_GENERIC;
394 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
395 int pauseExamForwardMostMove = 0;
396 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
397 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
398 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
399 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
400 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
401 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
402 int whiteFlag = FALSE, blackFlag = FALSE;
403 int userOfferedDraw = FALSE;
404 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
405 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
406 int cmailMoveType[CMAIL_MAX_GAMES];
407 long ics_clock_paused = 0;
408 ProcRef icsPR = NoProc, cmailPR = NoProc;
409 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
410 GameMode gameMode = BeginningOfGame;
411 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
412 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
413 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
414 int hiddenThinkOutputState = 0; /* [AS] */
415 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
416 int adjudicateLossPlies = 6;
417 char white_holding[64], black_holding[64];
418 TimeMark lastNodeCountTime;
419 long lastNodeCount=0;
420 int have_sent_ICS_logon = 0;
422 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
423 long timeControl_2; /* [AS] Allow separate time controls */
424 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
425 long timeRemaining[2][MAX_MOVES];
427 TimeMark programStartTime;
428 char ics_handle[MSG_SIZ];
429 int have_set_title = 0;
431 /* animateTraining preserves the state of appData.animate
432 * when Training mode is activated. This allows the
433 * response to be animated when appData.animate == TRUE and
434 * appData.animateDragging == TRUE.
436 Boolean animateTraining;
442 Board boards[MAX_MOVES];
443 /* [HGM] Following 7 needed for accurate legality tests: */
444 signed char epStatus[MAX_MOVES];
445 signed char castlingRights[MAX_MOVES][BOARD_SIZE]; // stores files for pieces with castling rights or -1
446 signed char castlingRank[BOARD_SIZE]; // and corresponding ranks
447 signed char initialRights[BOARD_SIZE], FENcastlingRights[BOARD_SIZE], fileRights[BOARD_SIZE];
448 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
449 int initialRulePlies, FENrulePlies;
451 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
454 int mute; // mute all sounds
456 ChessSquare FIDEArray[2][BOARD_SIZE] = {
457 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
458 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
459 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
460 BlackKing, BlackBishop, BlackKnight, BlackRook }
463 ChessSquare twoKingsArray[2][BOARD_SIZE] = {
464 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
465 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
466 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
467 BlackKing, BlackKing, BlackKnight, BlackRook }
470 ChessSquare KnightmateArray[2][BOARD_SIZE] = {
471 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
472 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
473 { BlackRook, BlackMan, BlackBishop, BlackQueen,
474 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
477 ChessSquare fairyArray[2][BOARD_SIZE] = { /* [HGM] Queen side differs from King side */
478 { WhiteCannon, WhiteNightrider, WhiteAlfil, WhiteQueen,
479 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
480 { BlackCannon, BlackNightrider, BlackAlfil, BlackQueen,
481 BlackKing, BlackBishop, BlackKnight, BlackRook }
484 ChessSquare ShatranjArray[2][BOARD_SIZE] = { /* [HGM] (movGen knows about Shatranj Q and P) */
485 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
486 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
487 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
488 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
493 ChessSquare ShogiArray[2][BOARD_SIZE] = {
494 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
495 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
496 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
497 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
500 ChessSquare XiangqiArray[2][BOARD_SIZE] = {
501 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
502 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
503 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
504 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
507 ChessSquare CapablancaArray[2][BOARD_SIZE] = {
508 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
509 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
510 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
511 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
514 ChessSquare GreatArray[2][BOARD_SIZE] = {
515 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
516 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
517 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
518 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
521 ChessSquare JanusArray[2][BOARD_SIZE] = {
522 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
523 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
524 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
525 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
529 ChessSquare GothicArray[2][BOARD_SIZE] = {
530 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
531 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
532 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
533 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
536 #define GothicArray CapablancaArray
540 ChessSquare FalconArray[2][BOARD_SIZE] = {
541 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
542 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
544 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
547 #define FalconArray CapablancaArray
550 #else // !(BOARD_SIZE>=10)
551 #define XiangqiPosition FIDEArray
552 #define CapablancaArray FIDEArray
553 #define GothicArray FIDEArray
554 #define GreatArray FIDEArray
555 #endif // !(BOARD_SIZE>=10)
558 ChessSquare CourierArray[2][BOARD_SIZE] = {
559 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
560 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
561 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
562 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
564 #else // !(BOARD_SIZE>=12)
565 #define CourierArray CapablancaArray
566 #endif // !(BOARD_SIZE>=12)
569 Board initialPosition;
572 /* Convert str to a rating. Checks for special cases of "----",
574 "++++", etc. Also strips ()'s */
576 string_to_rating(str)
579 while(*str && !isdigit(*str)) ++str;
581 return 0; /* One of the special "no rating" cases */
589 /* Init programStats */
590 programStats.movelist[0] = 0;
591 programStats.depth = 0;
592 programStats.nr_moves = 0;
593 programStats.moves_left = 0;
594 programStats.nodes = 0;
595 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
596 programStats.score = 0;
597 programStats.got_only_move = 0;
598 programStats.got_fail = 0;
599 programStats.line_is_book = 0;
605 int matched, min, sec;
607 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
609 GetTimeMark(&programStartTime);
610 srandom(programStartTime.ms); // [HGM] book: makes sure random is unpredictabe to msec level
613 programStats.ok_to_send = 1;
614 programStats.seen_stat = 0;
617 * Initialize game list
623 * Internet chess server status
625 if (appData.icsActive) {
626 appData.matchMode = FALSE;
627 appData.matchGames = 0;
629 appData.noChessProgram = !appData.zippyPlay;
631 appData.zippyPlay = FALSE;
632 appData.zippyTalk = FALSE;
633 appData.noChessProgram = TRUE;
635 if (*appData.icsHelper != NULLCHAR) {
636 appData.useTelnet = TRUE;
637 appData.telnetProgram = appData.icsHelper;
640 appData.zippyTalk = appData.zippyPlay = FALSE;
643 /* [AS] Initialize pv info list [HGM] and game state */
647 for( i=0; i<MAX_MOVES; i++ ) {
648 pvInfoList[i].depth = -1;
650 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
655 * Parse timeControl resource
657 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
658 appData.movesPerSession)) {
660 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
661 DisplayFatalError(buf, 0, 2);
665 * Parse searchTime resource
667 if (*appData.searchTime != NULLCHAR) {
668 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
670 searchTime = min * 60;
671 } else if (matched == 2) {
672 searchTime = min * 60 + sec;
675 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
676 DisplayFatalError(buf, 0, 2);
680 /* [AS] Adjudication threshold */
681 adjudicateLossThreshold = appData.adjudicateLossThreshold;
683 first.which = "first";
684 second.which = "second";
685 first.maybeThinking = second.maybeThinking = FALSE;
686 first.pr = second.pr = NoProc;
687 first.isr = second.isr = NULL;
688 first.sendTime = second.sendTime = 2;
689 first.sendDrawOffers = 1;
690 if (appData.firstPlaysBlack) {
691 first.twoMachinesColor = "black\n";
692 second.twoMachinesColor = "white\n";
694 first.twoMachinesColor = "white\n";
695 second.twoMachinesColor = "black\n";
697 first.program = appData.firstChessProgram;
698 second.program = appData.secondChessProgram;
699 first.host = appData.firstHost;
700 second.host = appData.secondHost;
701 first.dir = appData.firstDirectory;
702 second.dir = appData.secondDirectory;
703 first.other = &second;
704 second.other = &first;
705 first.initString = appData.initString;
706 second.initString = appData.secondInitString;
707 first.computerString = appData.firstComputerString;
708 second.computerString = appData.secondComputerString;
709 first.useSigint = second.useSigint = TRUE;
710 first.useSigterm = second.useSigterm = TRUE;
711 first.reuse = appData.reuseFirst;
712 second.reuse = appData.reuseSecond;
713 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
714 second.nps = appData.secondNPS;
715 first.useSetboard = second.useSetboard = FALSE;
716 first.useSAN = second.useSAN = FALSE;
717 first.usePing = second.usePing = FALSE;
718 first.lastPing = second.lastPing = 0;
719 first.lastPong = second.lastPong = 0;
720 first.usePlayother = second.usePlayother = FALSE;
721 first.useColors = second.useColors = TRUE;
722 first.useUsermove = second.useUsermove = FALSE;
723 first.sendICS = second.sendICS = FALSE;
724 first.sendName = second.sendName = appData.icsActive;
725 first.sdKludge = second.sdKludge = FALSE;
726 first.stKludge = second.stKludge = FALSE;
727 TidyProgramName(first.program, first.host, first.tidy);
728 TidyProgramName(second.program, second.host, second.tidy);
729 first.matchWins = second.matchWins = 0;
730 strcpy(first.variants, appData.variant);
731 strcpy(second.variants, appData.variant);
732 first.analysisSupport = second.analysisSupport = 2; /* detect */
733 first.analyzing = second.analyzing = FALSE;
734 first.initDone = second.initDone = FALSE;
736 /* New features added by Tord: */
737 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
738 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
739 /* End of new features added by Tord. */
740 first.fenOverride = appData.fenOverride1;
741 second.fenOverride = appData.fenOverride2;
743 /* [HGM] time odds: set factor for each machine */
744 first.timeOdds = appData.firstTimeOdds;
745 second.timeOdds = appData.secondTimeOdds;
747 if(appData.timeOddsMode) {
748 norm = first.timeOdds;
749 if(norm > second.timeOdds) norm = second.timeOdds;
751 first.timeOdds /= norm;
752 second.timeOdds /= norm;
755 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
756 first.accumulateTC = appData.firstAccumulateTC;
757 second.accumulateTC = appData.secondAccumulateTC;
758 first.maxNrOfSessions = second.maxNrOfSessions = 1;
761 first.debug = second.debug = FALSE;
762 first.supportsNPS = second.supportsNPS = UNKNOWN;
765 first.optionSettings = appData.firstOptions;
766 second.optionSettings = appData.secondOptions;
768 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
769 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
770 first.isUCI = appData.firstIsUCI; /* [AS] */
771 second.isUCI = appData.secondIsUCI; /* [AS] */
772 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
773 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
775 if (appData.firstProtocolVersion > PROTOVER ||
776 appData.firstProtocolVersion < 1) {
778 sprintf(buf, _("protocol version %d not supported"),
779 appData.firstProtocolVersion);
780 DisplayFatalError(buf, 0, 2);
782 first.protocolVersion = appData.firstProtocolVersion;
785 if (appData.secondProtocolVersion > PROTOVER ||
786 appData.secondProtocolVersion < 1) {
788 sprintf(buf, _("protocol version %d not supported"),
789 appData.secondProtocolVersion);
790 DisplayFatalError(buf, 0, 2);
792 second.protocolVersion = appData.secondProtocolVersion;
795 if (appData.icsActive) {
796 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
797 } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
798 appData.clockMode = FALSE;
799 first.sendTime = second.sendTime = 0;
803 /* Override some settings from environment variables, for backward
804 compatibility. Unfortunately it's not feasible to have the env
805 vars just set defaults, at least in xboard. Ugh.
807 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
812 if (appData.noChessProgram) {
813 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
814 sprintf(programVersion, "%s", PACKAGE_STRING);
816 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
817 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
818 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
821 if (!appData.icsActive) {
823 /* Check for variants that are supported only in ICS mode,
824 or not at all. Some that are accepted here nevertheless
825 have bugs; see comments below.
827 VariantClass variant = StringToVariant(appData.variant);
829 case VariantBughouse: /* need four players and two boards */
830 case VariantKriegspiel: /* need to hide pieces and move details */
831 /* case VariantFischeRandom: (Fabien: moved below) */
832 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
833 DisplayFatalError(buf, 0, 2);
837 case VariantLoadable:
847 sprintf(buf, _("Unknown variant name %s"), appData.variant);
848 DisplayFatalError(buf, 0, 2);
851 case VariantXiangqi: /* [HGM] repetition rules not implemented */
852 case VariantFairy: /* [HGM] TestLegality definitely off! */
853 case VariantGothic: /* [HGM] should work */
854 case VariantCapablanca: /* [HGM] should work */
855 case VariantCourier: /* [HGM] initial forced moves not implemented */
856 case VariantShogi: /* [HGM] drops not tested for legality */
857 case VariantKnightmate: /* [HGM] should work */
858 case VariantCylinder: /* [HGM] untested */
859 case VariantFalcon: /* [HGM] untested */
860 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
861 offboard interposition not understood */
862 case VariantNormal: /* definitely works! */
863 case VariantWildCastle: /* pieces not automatically shuffled */
864 case VariantNoCastle: /* pieces not automatically shuffled */
865 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
866 case VariantLosers: /* should work except for win condition,
867 and doesn't know captures are mandatory */
868 case VariantSuicide: /* should work except for win condition,
869 and doesn't know captures are mandatory */
870 case VariantGiveaway: /* should work except for win condition,
871 and doesn't know captures are mandatory */
872 case VariantTwoKings: /* should work */
873 case VariantAtomic: /* should work except for win condition */
874 case Variant3Check: /* should work except for win condition */
875 case VariantShatranj: /* should work except for all win conditions */
876 case VariantBerolina: /* might work if TestLegality is off */
877 case VariantCapaRandom: /* should work */
878 case VariantJanus: /* should work */
879 case VariantSuper: /* experimental */
880 case VariantGreat: /* experimental, requires legality testing to be off */
885 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
886 InitEngineUCI( installDir, &second );
889 int NextIntegerFromString( char ** str, long * value )
894 while( *s == ' ' || *s == '\t' ) {
900 if( *s >= '0' && *s <= '9' ) {
901 while( *s >= '0' && *s <= '9' ) {
902 *value = *value * 10 + (*s - '0');
914 int NextTimeControlFromString( char ** str, long * value )
917 int result = NextIntegerFromString( str, &temp );
920 *value = temp * 60; /* Minutes */
923 result = NextIntegerFromString( str, &temp );
924 *value += temp; /* Seconds */
931 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
932 { /* [HGM] routine added to read '+moves/time' for secondary time control */
933 int result = -1; long temp, temp2;
935 if(**str != '+') return -1; // old params remain in force!
937 if( NextTimeControlFromString( str, &temp ) ) return -1;
940 /* time only: incremental or sudden-death time control */
941 if(**str == '+') { /* increment follows; read it */
943 if(result = NextIntegerFromString( str, &temp2)) return -1;
946 *moves = 0; *tc = temp * 1000;
948 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
950 (*str)++; /* classical time control */
951 result = NextTimeControlFromString( str, &temp2);
960 int GetTimeQuota(int movenr)
961 { /* [HGM] get time to add from the multi-session time-control string */
962 int moves=1; /* kludge to force reading of first session */
963 long time, increment;
964 char *s = fullTimeControlString;
966 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
968 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
969 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
970 if(movenr == -1) return time; /* last move before new session */
971 if(!moves) return increment; /* current session is incremental */
972 if(movenr >= 0) movenr -= moves; /* we already finished this session */
973 } while(movenr >= -1); /* try again for next session */
975 return 0; // no new time quota on this move
979 ParseTimeControl(tc, ti, mps)
988 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
991 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
992 else sprintf(buf, "+%s+%d", tc, ti);
995 sprintf(buf, "+%d/%s", mps, tc);
996 else sprintf(buf, "+%s", tc);
998 fullTimeControlString = StrSave(buf);
1000 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1005 /* Parse second time control */
1008 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1016 timeControl_2 = tc2 * 1000;
1026 timeControl = tc1 * 1000;
1029 timeIncrement = ti * 1000; /* convert to ms */
1030 movesPerSession = 0;
1033 movesPerSession = mps;
1041 if (appData.debugMode) {
1042 fprintf(debugFP, "%s\n", programVersion);
1045 set_cont_sequence(appData.wrapContSeq);
1046 if (appData.matchGames > 0) {
1047 appData.matchMode = TRUE;
1048 } else if (appData.matchMode) {
1049 appData.matchGames = 1;
1051 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1052 appData.matchGames = appData.sameColorGames;
1053 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1054 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1055 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1058 if (appData.noChessProgram || first.protocolVersion == 1) {
1061 /* kludge: allow timeout for initial "feature" commands */
1063 DisplayMessage("", _("Starting chess program"));
1064 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1069 InitBackEnd3 P((void))
1071 GameMode initialMode;
1075 InitChessProgram(&first, startedFromSetupPosition);
1078 if (appData.icsActive) {
1080 /* [DM] Make a console window if needed [HGM] merged ifs */
1085 if (*appData.icsCommPort != NULLCHAR) {
1086 sprintf(buf, _("Could not open comm port %s"),
1087 appData.icsCommPort);
1089 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1090 appData.icsHost, appData.icsPort);
1092 DisplayFatalError(buf, err, 1);
1097 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1099 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1100 } else if (appData.noChessProgram) {
1106 if (*appData.cmailGameName != NULLCHAR) {
1108 OpenLoopback(&cmailPR);
1110 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1114 DisplayMessage("", "");
1115 if (StrCaseCmp(appData.initialMode, "") == 0) {
1116 initialMode = BeginningOfGame;
1117 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1118 initialMode = TwoMachinesPlay;
1119 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1120 initialMode = AnalyzeFile;
1121 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1122 initialMode = AnalyzeMode;
1123 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1124 initialMode = MachinePlaysWhite;
1125 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1126 initialMode = MachinePlaysBlack;
1127 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1128 initialMode = EditGame;
1129 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1130 initialMode = EditPosition;
1131 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1132 initialMode = Training;
1134 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1135 DisplayFatalError(buf, 0, 2);
1139 if (appData.matchMode) {
1140 /* Set up machine vs. machine match */
1141 if (appData.noChessProgram) {
1142 DisplayFatalError(_("Can't have a match with no chess programs"),
1148 if (*appData.loadGameFile != NULLCHAR) {
1149 int index = appData.loadGameIndex; // [HGM] autoinc
1150 if(index<0) lastIndex = index = 1;
1151 if (!LoadGameFromFile(appData.loadGameFile,
1153 appData.loadGameFile, FALSE)) {
1154 DisplayFatalError(_("Bad game file"), 0, 1);
1157 } else if (*appData.loadPositionFile != NULLCHAR) {
1158 int index = appData.loadPositionIndex; // [HGM] autoinc
1159 if(index<0) lastIndex = index = 1;
1160 if (!LoadPositionFromFile(appData.loadPositionFile,
1162 appData.loadPositionFile)) {
1163 DisplayFatalError(_("Bad position file"), 0, 1);
1168 } else if (*appData.cmailGameName != NULLCHAR) {
1169 /* Set up cmail mode */
1170 ReloadCmailMsgEvent(TRUE);
1172 /* Set up other modes */
1173 if (initialMode == AnalyzeFile) {
1174 if (*appData.loadGameFile == NULLCHAR) {
1175 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1179 if (*appData.loadGameFile != NULLCHAR) {
1180 (void) LoadGameFromFile(appData.loadGameFile,
1181 appData.loadGameIndex,
1182 appData.loadGameFile, TRUE);
1183 } else if (*appData.loadPositionFile != NULLCHAR) {
1184 (void) LoadPositionFromFile(appData.loadPositionFile,
1185 appData.loadPositionIndex,
1186 appData.loadPositionFile);
1187 /* [HGM] try to make self-starting even after FEN load */
1188 /* to allow automatic setup of fairy variants with wtm */
1189 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1190 gameMode = BeginningOfGame;
1191 setboardSpoiledMachineBlack = 1;
1193 /* [HGM] loadPos: make that every new game uses the setup */
1194 /* from file as long as we do not switch variant */
1195 if(!blackPlaysFirst) { int i;
1196 startedFromPositionFile = TRUE;
1197 CopyBoard(filePosition, boards[0]);
1198 for(i=0; i<BOARD_SIZE; i++) fileRights[i] = castlingRights[0][i];
1201 if (initialMode == AnalyzeMode) {
1202 if (appData.noChessProgram) {
1203 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1206 if (appData.icsActive) {
1207 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1211 } else if (initialMode == AnalyzeFile) {
1212 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1213 ShowThinkingEvent();
1215 AnalysisPeriodicEvent(1);
1216 } else if (initialMode == MachinePlaysWhite) {
1217 if (appData.noChessProgram) {
1218 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1222 if (appData.icsActive) {
1223 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1227 MachineWhiteEvent();
1228 } else if (initialMode == MachinePlaysBlack) {
1229 if (appData.noChessProgram) {
1230 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1234 if (appData.icsActive) {
1235 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1239 MachineBlackEvent();
1240 } else if (initialMode == TwoMachinesPlay) {
1241 if (appData.noChessProgram) {
1242 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1246 if (appData.icsActive) {
1247 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1252 } else if (initialMode == EditGame) {
1254 } else if (initialMode == EditPosition) {
1255 EditPositionEvent();
1256 } else if (initialMode == Training) {
1257 if (*appData.loadGameFile == NULLCHAR) {
1258 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1267 * Establish will establish a contact to a remote host.port.
1268 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1269 * used to talk to the host.
1270 * Returns 0 if okay, error code if not.
1277 if (*appData.icsCommPort != NULLCHAR) {
1278 /* Talk to the host through a serial comm port */
1279 return OpenCommPort(appData.icsCommPort, &icsPR);
1281 } else if (*appData.gateway != NULLCHAR) {
1282 if (*appData.remoteShell == NULLCHAR) {
1283 /* Use the rcmd protocol to run telnet program on a gateway host */
1284 snprintf(buf, sizeof(buf), "%s %s %s",
1285 appData.telnetProgram, appData.icsHost, appData.icsPort);
1286 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1289 /* Use the rsh program to run telnet program on a gateway host */
1290 if (*appData.remoteUser == NULLCHAR) {
1291 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1292 appData.gateway, appData.telnetProgram,
1293 appData.icsHost, appData.icsPort);
1295 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1296 appData.remoteShell, appData.gateway,
1297 appData.remoteUser, appData.telnetProgram,
1298 appData.icsHost, appData.icsPort);
1300 return StartChildProcess(buf, "", &icsPR);
1303 } else if (appData.useTelnet) {
1304 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1307 /* TCP socket interface differs somewhat between
1308 Unix and NT; handle details in the front end.
1310 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1315 show_bytes(fp, buf, count)
1321 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1322 fprintf(fp, "\\%03o", *buf & 0xff);
1331 /* Returns an errno value */
1333 OutputMaybeTelnet(pr, message, count, outError)
1339 char buf[8192], *p, *q, *buflim;
1340 int left, newcount, outcount;
1342 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1343 *appData.gateway != NULLCHAR) {
1344 if (appData.debugMode) {
1345 fprintf(debugFP, ">ICS: ");
1346 show_bytes(debugFP, message, count);
1347 fprintf(debugFP, "\n");
1349 return OutputToProcess(pr, message, count, outError);
1352 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1359 if (appData.debugMode) {
1360 fprintf(debugFP, ">ICS: ");
1361 show_bytes(debugFP, buf, newcount);
1362 fprintf(debugFP, "\n");
1364 outcount = OutputToProcess(pr, buf, newcount, outError);
1365 if (outcount < newcount) return -1; /* to be sure */
1372 } else if (((unsigned char) *p) == TN_IAC) {
1373 *q++ = (char) TN_IAC;
1380 if (appData.debugMode) {
1381 fprintf(debugFP, ">ICS: ");
1382 show_bytes(debugFP, buf, newcount);
1383 fprintf(debugFP, "\n");
1385 outcount = OutputToProcess(pr, buf, newcount, outError);
1386 if (outcount < newcount) return -1; /* to be sure */
1391 read_from_player(isr, closure, message, count, error)
1398 int outError, outCount;
1399 static int gotEof = 0;
1401 /* Pass data read from player on to ICS */
1404 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1405 if (outCount < count) {
1406 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1408 } else if (count < 0) {
1409 RemoveInputSource(isr);
1410 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1411 } else if (gotEof++ > 0) {
1412 RemoveInputSource(isr);
1413 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1419 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1420 SendToICS("date\n");
1421 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1424 /* added routine for printf style output to ics */
1425 void ics_printf(char *format, ...)
1427 char buffer[MSG_SIZ];
1430 va_start(args, format);
1431 vsnprintf(buffer, sizeof(buffer), format, args);
1432 buffer[sizeof(buffer)-1] = '\0';
1441 int count, outCount, outError;
1443 if (icsPR == NULL) return;
1446 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1447 if (outCount < count) {
1448 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1452 /* This is used for sending logon scripts to the ICS. Sending
1453 without a delay causes problems when using timestamp on ICC
1454 (at least on my machine). */
1456 SendToICSDelayed(s,msdelay)
1460 int count, outCount, outError;
1462 if (icsPR == NULL) return;
1465 if (appData.debugMode) {
1466 fprintf(debugFP, ">ICS: ");
1467 show_bytes(debugFP, s, count);
1468 fprintf(debugFP, "\n");
1470 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1472 if (outCount < count) {
1473 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1478 /* Remove all highlighting escape sequences in s
1479 Also deletes any suffix starting with '('
1482 StripHighlightAndTitle(s)
1485 static char retbuf[MSG_SIZ];
1488 while (*s != NULLCHAR) {
1489 while (*s == '\033') {
1490 while (*s != NULLCHAR && !isalpha(*s)) s++;
1491 if (*s != NULLCHAR) s++;
1493 while (*s != NULLCHAR && *s != '\033') {
1494 if (*s == '(' || *s == '[') {
1505 /* Remove all highlighting escape sequences in s */
1510 static char retbuf[MSG_SIZ];
1513 while (*s != NULLCHAR) {
1514 while (*s == '\033') {
1515 while (*s != NULLCHAR && !isalpha(*s)) s++;
1516 if (*s != NULLCHAR) s++;
1518 while (*s != NULLCHAR && *s != '\033') {
1526 char *variantNames[] = VARIANT_NAMES;
1531 return variantNames[v];
1535 /* Identify a variant from the strings the chess servers use or the
1536 PGN Variant tag names we use. */
1543 VariantClass v = VariantNormal;
1544 int i, found = FALSE;
1549 /* [HGM] skip over optional board-size prefixes */
1550 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1551 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1552 while( *e++ != '_');
1555 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1559 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1560 if (StrCaseStr(e, variantNames[i])) {
1561 v = (VariantClass) i;
1568 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1569 || StrCaseStr(e, "wild/fr")
1570 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1571 v = VariantFischeRandom;
1572 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1573 (i = 1, p = StrCaseStr(e, "w"))) {
1575 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1582 case 0: /* FICS only, actually */
1584 /* Castling legal even if K starts on d-file */
1585 v = VariantWildCastle;
1590 /* Castling illegal even if K & R happen to start in
1591 normal positions. */
1592 v = VariantNoCastle;
1605 /* Castling legal iff K & R start in normal positions */
1611 /* Special wilds for position setup; unclear what to do here */
1612 v = VariantLoadable;
1615 /* Bizarre ICC game */
1616 v = VariantTwoKings;
1619 v = VariantKriegspiel;
1625 v = VariantFischeRandom;
1628 v = VariantCrazyhouse;
1631 v = VariantBughouse;
1637 /* Not quite the same as FICS suicide! */
1638 v = VariantGiveaway;
1644 v = VariantShatranj;
1647 /* Temporary names for future ICC types. The name *will* change in
1648 the next xboard/WinBoard release after ICC defines it. */
1686 v = VariantCapablanca;
1689 v = VariantKnightmate;
1695 v = VariantCylinder;
1701 v = VariantCapaRandom;
1704 v = VariantBerolina;
1716 /* Found "wild" or "w" in the string but no number;
1717 must assume it's normal chess. */
1721 sprintf(buf, _("Unknown wild type %d"), wnum);
1722 DisplayError(buf, 0);
1728 if (appData.debugMode) {
1729 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1730 e, wnum, VariantName(v));
1735 static int leftover_start = 0, leftover_len = 0;
1736 char star_match[STAR_MATCH_N][MSG_SIZ];
1738 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1739 advance *index beyond it, and set leftover_start to the new value of
1740 *index; else return FALSE. If pattern contains the character '*', it
1741 matches any sequence of characters not containing '\r', '\n', or the
1742 character following the '*' (if any), and the matched sequence(s) are
1743 copied into star_match.
1746 looking_at(buf, index, pattern)
1751 char *bufp = &buf[*index], *patternp = pattern;
1753 char *matchp = star_match[0];
1756 if (*patternp == NULLCHAR) {
1757 *index = leftover_start = bufp - buf;
1761 if (*bufp == NULLCHAR) return FALSE;
1762 if (*patternp == '*') {
1763 if (*bufp == *(patternp + 1)) {
1765 matchp = star_match[++star_count];
1769 } else if (*bufp == '\n' || *bufp == '\r') {
1771 if (*patternp == NULLCHAR)
1776 *matchp++ = *bufp++;
1780 if (*patternp != *bufp) return FALSE;
1787 SendToPlayer(data, length)
1791 int error, outCount;
1792 outCount = OutputToProcess(NoProc, data, length, &error);
1793 if (outCount < length) {
1794 DisplayFatalError(_("Error writing to display"), error, 1);
1799 PackHolding(packed, holding)
1811 switch (runlength) {
1822 sprintf(q, "%d", runlength);
1834 /* Telnet protocol requests from the front end */
1836 TelnetRequest(ddww, option)
1837 unsigned char ddww, option;
1839 unsigned char msg[3];
1840 int outCount, outError;
1842 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1844 if (appData.debugMode) {
1845 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1861 sprintf(buf1, "%d", ddww);
1870 sprintf(buf2, "%d", option);
1873 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1878 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1880 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1887 if (!appData.icsActive) return;
1888 TelnetRequest(TN_DO, TN_ECHO);
1894 if (!appData.icsActive) return;
1895 TelnetRequest(TN_DONT, TN_ECHO);
1899 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1901 /* put the holdings sent to us by the server on the board holdings area */
1902 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1906 if(gameInfo.holdingsWidth < 2) return;
1908 if( (int)lowestPiece >= BlackPawn ) {
1911 holdingsStartRow = BOARD_HEIGHT-1;
1914 holdingsColumn = BOARD_WIDTH-1;
1915 countsColumn = BOARD_WIDTH-2;
1916 holdingsStartRow = 0;
1920 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1921 board[i][holdingsColumn] = EmptySquare;
1922 board[i][countsColumn] = (ChessSquare) 0;
1924 while( (p=*holdings++) != NULLCHAR ) {
1925 piece = CharToPiece( ToUpper(p) );
1926 if(piece == EmptySquare) continue;
1927 /*j = (int) piece - (int) WhitePawn;*/
1928 j = PieceToNumber(piece);
1929 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1930 if(j < 0) continue; /* should not happen */
1931 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1932 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1933 board[holdingsStartRow+j*direction][countsColumn]++;
1940 VariantSwitch(Board board, VariantClass newVariant)
1942 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1944 startedFromPositionFile = FALSE;
1945 if(gameInfo.variant == newVariant) return;
1947 /* [HGM] This routine is called each time an assignment is made to
1948 * gameInfo.variant during a game, to make sure the board sizes
1949 * are set to match the new variant. If that means adding or deleting
1950 * holdings, we shift the playing board accordingly
1951 * This kludge is needed because in ICS observe mode, we get boards
1952 * of an ongoing game without knowing the variant, and learn about the
1953 * latter only later. This can be because of the move list we requested,
1954 * in which case the game history is refilled from the beginning anyway,
1955 * but also when receiving holdings of a crazyhouse game. In the latter
1956 * case we want to add those holdings to the already received position.
1960 if (appData.debugMode) {
1961 fprintf(debugFP, "Switch board from %s to %s\n",
1962 VariantName(gameInfo.variant), VariantName(newVariant));
1963 setbuf(debugFP, NULL);
1965 shuffleOpenings = 0; /* [HGM] shuffle */
1966 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
1970 newWidth = 9; newHeight = 9;
1971 gameInfo.holdingsSize = 7;
1972 case VariantBughouse:
1973 case VariantCrazyhouse:
1974 newHoldingsWidth = 2; break;
1978 newHoldingsWidth = 2;
1979 gameInfo.holdingsSize = 8;
1982 case VariantCapablanca:
1983 case VariantCapaRandom:
1986 newHoldingsWidth = gameInfo.holdingsSize = 0;
1989 if(newWidth != gameInfo.boardWidth ||
1990 newHeight != gameInfo.boardHeight ||
1991 newHoldingsWidth != gameInfo.holdingsWidth ) {
1993 /* shift position to new playing area, if needed */
1994 if(newHoldingsWidth > gameInfo.holdingsWidth) {
1995 for(i=0; i<BOARD_HEIGHT; i++)
1996 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
1997 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
1999 for(i=0; i<newHeight; i++) {
2000 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2001 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2003 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2004 for(i=0; i<BOARD_HEIGHT; i++)
2005 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2006 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2009 gameInfo.boardWidth = newWidth;
2010 gameInfo.boardHeight = newHeight;
2011 gameInfo.holdingsWidth = newHoldingsWidth;
2012 gameInfo.variant = newVariant;
2013 InitDrawingSizes(-2, 0);
2014 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2015 } else { gameInfo.variant = newVariant; InitPosition(FALSE); }
2017 DrawPosition(TRUE, boards[currentMove]);
2020 static int loggedOn = FALSE;
2022 /*-- Game start info cache: --*/
2024 char gs_kind[MSG_SIZ];
2025 static char player1Name[128] = "";
2026 static char player2Name[128] = "";
2027 static char cont_seq[] = "\n\\ ";
2028 static int player1Rating = -1;
2029 static int player2Rating = -1;
2030 /*----------------------------*/
2032 ColorClass curColor = ColorNormal;
2033 int suppressKibitz = 0;
2036 read_from_ics(isr, closure, data, count, error)
2043 #define BUF_SIZE 8192
2044 #define STARTED_NONE 0
2045 #define STARTED_MOVES 1
2046 #define STARTED_BOARD 2
2047 #define STARTED_OBSERVE 3
2048 #define STARTED_HOLDINGS 4
2049 #define STARTED_CHATTER 5
2050 #define STARTED_COMMENT 6
2051 #define STARTED_MOVES_NOHIDE 7
2053 static int started = STARTED_NONE;
2054 static char parse[20000];
2055 static int parse_pos = 0;
2056 static char buf[BUF_SIZE + 1];
2057 static int firstTime = TRUE, intfSet = FALSE;
2058 static ColorClass prevColor = ColorNormal;
2059 static int savingComment = FALSE;
2060 static int cmatch = 0; // continuation sequence match
2067 int backup; /* [DM] For zippy color lines */
2069 char talker[MSG_SIZ]; // [HGM] chat
2072 if (appData.debugMode) {
2074 fprintf(debugFP, "<ICS: ");
2075 show_bytes(debugFP, data, count);
2076 fprintf(debugFP, "\n");
2080 if (appData.debugMode) { int f = forwardMostMove;
2081 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2082 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
2085 /* If last read ended with a partial line that we couldn't parse,
2086 prepend it to the new read and try again. */
2087 if (leftover_len > 0) {
2088 for (i=0; i<leftover_len; i++)
2089 buf[i] = buf[leftover_start + i];
2092 /* copy new characters into the buffer */
2093 bp = buf + leftover_len;
2094 buf_len=leftover_len;
2095 for (i=0; i<count; i++)
2098 if (data[i] == '\r')
2101 // join lines split by ICS?
2102 if (!appData.noJoin)
2105 Joining just consists of finding matches against the
2106 continuation sequence, and discarding that sequence
2107 if found instead of copying it. So, until a match
2108 fails, there's nothing to do since it might be the
2109 complete sequence, and thus, something we don't want
2112 if (data[i] == cont_seq[cmatch])
2115 if (cmatch == strlen(cont_seq))
2117 cmatch = 0; // complete match. just reset the counter
2120 it's possible for the ICS to not include the space
2121 at the end of the last word, making our [correct]
2122 join operation fuse two separate words. the server
2123 does this when the space occurs at the width setting.
2125 if (!buf_len || buf[buf_len-1] != ' ')
2136 match failed, so we have to copy what matched before
2137 falling through and copying this character. In reality,
2138 this will only ever be just the newline character, but
2139 it doesn't hurt to be precise.
2141 strncpy(bp, cont_seq, cmatch);
2153 buf[buf_len] = NULLCHAR;
2154 next_out = leftover_len;
2158 while (i < buf_len) {
2159 /* Deal with part of the TELNET option negotiation
2160 protocol. We refuse to do anything beyond the
2161 defaults, except that we allow the WILL ECHO option,
2162 which ICS uses to turn off password echoing when we are
2163 directly connected to it. We reject this option
2164 if localLineEditing mode is on (always on in xboard)
2165 and we are talking to port 23, which might be a real
2166 telnet server that will try to keep WILL ECHO on permanently.
2168 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2169 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2170 unsigned char option;
2172 switch ((unsigned char) buf[++i]) {
2174 if (appData.debugMode)
2175 fprintf(debugFP, "\n<WILL ");
2176 switch (option = (unsigned char) buf[++i]) {
2178 if (appData.debugMode)
2179 fprintf(debugFP, "ECHO ");
2180 /* Reply only if this is a change, according
2181 to the protocol rules. */
2182 if (remoteEchoOption) break;
2183 if (appData.localLineEditing &&
2184 atoi(appData.icsPort) == TN_PORT) {
2185 TelnetRequest(TN_DONT, TN_ECHO);
2188 TelnetRequest(TN_DO, TN_ECHO);
2189 remoteEchoOption = TRUE;
2193 if (appData.debugMode)
2194 fprintf(debugFP, "%d ", option);
2195 /* Whatever this is, we don't want it. */
2196 TelnetRequest(TN_DONT, option);
2201 if (appData.debugMode)
2202 fprintf(debugFP, "\n<WONT ");
2203 switch (option = (unsigned char) buf[++i]) {
2205 if (appData.debugMode)
2206 fprintf(debugFP, "ECHO ");
2207 /* Reply only if this is a change, according
2208 to the protocol rules. */
2209 if (!remoteEchoOption) break;
2211 TelnetRequest(TN_DONT, TN_ECHO);
2212 remoteEchoOption = FALSE;
2215 if (appData.debugMode)
2216 fprintf(debugFP, "%d ", (unsigned char) option);
2217 /* Whatever this is, it must already be turned
2218 off, because we never agree to turn on
2219 anything non-default, so according to the
2220 protocol rules, we don't reply. */
2225 if (appData.debugMode)
2226 fprintf(debugFP, "\n<DO ");
2227 switch (option = (unsigned char) buf[++i]) {
2229 /* Whatever this is, we refuse to do it. */
2230 if (appData.debugMode)
2231 fprintf(debugFP, "%d ", option);
2232 TelnetRequest(TN_WONT, option);
2237 if (appData.debugMode)
2238 fprintf(debugFP, "\n<DONT ");
2239 switch (option = (unsigned char) buf[++i]) {
2241 if (appData.debugMode)
2242 fprintf(debugFP, "%d ", option);
2243 /* Whatever this is, we are already not doing
2244 it, because we never agree to do anything
2245 non-default, so according to the protocol
2246 rules, we don't reply. */
2251 if (appData.debugMode)
2252 fprintf(debugFP, "\n<IAC ");
2253 /* Doubled IAC; pass it through */
2257 if (appData.debugMode)
2258 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2259 /* Drop all other telnet commands on the floor */
2262 if (oldi > next_out)
2263 SendToPlayer(&buf[next_out], oldi - next_out);
2269 /* OK, this at least will *usually* work */
2270 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2274 if (loggedOn && !intfSet) {
2275 if (ics_type == ICS_ICC) {
2277 "/set-quietly interface %s\n/set-quietly style 12\n",
2279 } else if (ics_type == ICS_CHESSNET) {
2280 sprintf(str, "/style 12\n");
2282 strcpy(str, "alias $ @\n$set interface ");
2283 strcat(str, programVersion);
2284 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2286 strcat(str, "$iset nohighlight 1\n");
2288 strcat(str, "$iset lock 1\n$style 12\n");
2291 NotifyFrontendLogin();
2295 if (started == STARTED_COMMENT) {
2296 /* Accumulate characters in comment */
2297 parse[parse_pos++] = buf[i];
2298 if (buf[i] == '\n') {
2299 parse[parse_pos] = NULLCHAR;
2300 if(chattingPartner>=0) {
2302 sprintf(mess, "%s%s", talker, parse);
2303 OutputChatMessage(chattingPartner, mess);
2304 chattingPartner = -1;
2306 if(!suppressKibitz) // [HGM] kibitz
2307 AppendComment(forwardMostMove, StripHighlight(parse));
2308 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2309 int nrDigit = 0, nrAlph = 0, i;
2310 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2311 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2312 parse[parse_pos] = NULLCHAR;
2313 // try to be smart: if it does not look like search info, it should go to
2314 // ICS interaction window after all, not to engine-output window.
2315 for(i=0; i<parse_pos; i++) { // count letters and digits
2316 nrDigit += (parse[i] >= '0' && parse[i] <= '9');
2317 nrAlph += (parse[i] >= 'a' && parse[i] <= 'z');
2318 nrAlph += (parse[i] >= 'A' && parse[i] <= 'Z');
2320 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2321 int depth=0; float score;
2322 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2323 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2324 pvInfoList[forwardMostMove-1].depth = depth;
2325 pvInfoList[forwardMostMove-1].score = 100*score;
2327 OutputKibitz(suppressKibitz, parse);
2330 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2331 SendToPlayer(tmp, strlen(tmp));
2334 started = STARTED_NONE;
2336 /* Don't match patterns against characters in chatter */
2341 if (started == STARTED_CHATTER) {
2342 if (buf[i] != '\n') {
2343 /* Don't match patterns against characters in chatter */
2347 started = STARTED_NONE;
2350 /* Kludge to deal with rcmd protocol */
2351 if (firstTime && looking_at(buf, &i, "\001*")) {
2352 DisplayFatalError(&buf[1], 0, 1);
2358 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2361 if (appData.debugMode)
2362 fprintf(debugFP, "ics_type %d\n", ics_type);
2365 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2366 ics_type = ICS_FICS;
2368 if (appData.debugMode)
2369 fprintf(debugFP, "ics_type %d\n", ics_type);
2372 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2373 ics_type = ICS_CHESSNET;
2375 if (appData.debugMode)
2376 fprintf(debugFP, "ics_type %d\n", ics_type);
2381 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2382 looking_at(buf, &i, "Logging you in as \"*\"") ||
2383 looking_at(buf, &i, "will be \"*\""))) {
2384 strcpy(ics_handle, star_match[0]);
2388 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2390 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2391 DisplayIcsInteractionTitle(buf);
2392 have_set_title = TRUE;
2395 /* skip finger notes */
2396 if (started == STARTED_NONE &&
2397 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2398 (buf[i] == '1' && buf[i+1] == '0')) &&
2399 buf[i+2] == ':' && buf[i+3] == ' ') {
2400 started = STARTED_CHATTER;
2405 /* skip formula vars */
2406 if (started == STARTED_NONE &&
2407 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2408 started = STARTED_CHATTER;
2414 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2415 if (appData.autoKibitz && started == STARTED_NONE &&
2416 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2417 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2418 if(looking_at(buf, &i, "* kibitzes: ") &&
2419 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2420 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2421 suppressKibitz = TRUE;
2422 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2423 && (gameMode == IcsPlayingWhite)) ||
2424 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2425 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2426 started = STARTED_CHATTER; // own kibitz we simply discard
2428 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2429 parse_pos = 0; parse[0] = NULLCHAR;
2430 savingComment = TRUE;
2431 suppressKibitz = gameMode != IcsObserving ? 2 :
2432 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2436 if(looking_at(buf, &i, "kibitzed to")) { // suppress the acknowledgements of our own autoKibitz
2437 started = STARTED_CHATTER;
2438 suppressKibitz = TRUE;
2440 } // [HGM] kibitz: end of patch
2442 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2444 // [HGM] chat: intercept tells by users for which we have an open chat window
2446 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2447 looking_at(buf, &i, "* whispers:") ||
2448 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2449 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2451 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2452 chattingPartner = -1;
2454 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2455 for(p=0; p<MAX_CHAT; p++) {
2456 if(channel == atoi(chatPartner[p])) {
2457 talker[0] = '['; strcat(talker, "]");
2458 chattingPartner = p; break;
2461 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2462 for(p=0; p<MAX_CHAT; p++) {
2463 if(!strcmp("WHISPER", chatPartner[p])) {
2464 talker[0] = '['; strcat(talker, "]");
2465 chattingPartner = p; break;
2468 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2469 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2471 chattingPartner = p; break;
2473 if(chattingPartner<0) i = oldi; else {
2474 started = STARTED_COMMENT;
2475 parse_pos = 0; parse[0] = NULLCHAR;
2476 savingComment = TRUE;
2477 suppressKibitz = TRUE;
2479 } // [HGM] chat: end of patch
2481 if (appData.zippyTalk || appData.zippyPlay) {
2482 /* [DM] Backup address for color zippy lines */
2486 if (loggedOn == TRUE)
2487 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2488 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2490 if (ZippyControl(buf, &i) ||
2491 ZippyConverse(buf, &i) ||
2492 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2494 if (!appData.colorize) continue;
2498 } // [DM] 'else { ' deleted
2500 /* Regular tells and says */
2501 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2502 looking_at(buf, &i, "* (your partner) tells you: ") ||
2503 looking_at(buf, &i, "* says: ") ||
2504 /* Don't color "message" or "messages" output */
2505 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2506 looking_at(buf, &i, "*. * at *:*: ") ||
2507 looking_at(buf, &i, "--* (*:*): ") ||
2508 /* Message notifications (same color as tells) */
2509 looking_at(buf, &i, "* has left a message ") ||
2510 looking_at(buf, &i, "* just sent you a message:\n") ||
2511 /* Whispers and kibitzes */
2512 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2513 looking_at(buf, &i, "* kibitzes: ") ||
2515 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2517 if (tkind == 1 && strchr(star_match[0], ':')) {
2518 /* Avoid "tells you:" spoofs in channels */
2521 if (star_match[0][0] == NULLCHAR ||
2522 strchr(star_match[0], ' ') ||
2523 (tkind == 3 && strchr(star_match[1], ' '))) {
2524 /* Reject bogus matches */
2527 if (appData.colorize) {
2528 if (oldi > next_out) {
2529 SendToPlayer(&buf[next_out], oldi - next_out);
2534 Colorize(ColorTell, FALSE);
2535 curColor = ColorTell;
2538 Colorize(ColorKibitz, FALSE);
2539 curColor = ColorKibitz;
2542 p = strrchr(star_match[1], '(');
2549 Colorize(ColorChannel1, FALSE);
2550 curColor = ColorChannel1;
2552 Colorize(ColorChannel, FALSE);
2553 curColor = ColorChannel;
2557 curColor = ColorNormal;
2561 if (started == STARTED_NONE && appData.autoComment &&
2562 (gameMode == IcsObserving ||
2563 gameMode == IcsPlayingWhite ||
2564 gameMode == IcsPlayingBlack)) {
2565 parse_pos = i - oldi;
2566 memcpy(parse, &buf[oldi], parse_pos);
2567 parse[parse_pos] = NULLCHAR;
2568 started = STARTED_COMMENT;
2569 savingComment = TRUE;
2571 started = STARTED_CHATTER;
2572 savingComment = FALSE;
2579 if (looking_at(buf, &i, "* s-shouts: ") ||
2580 looking_at(buf, &i, "* c-shouts: ")) {
2581 if (appData.colorize) {
2582 if (oldi > next_out) {
2583 SendToPlayer(&buf[next_out], oldi - next_out);
2586 Colorize(ColorSShout, FALSE);
2587 curColor = ColorSShout;
2590 started = STARTED_CHATTER;
2594 if (looking_at(buf, &i, "--->")) {
2599 if (looking_at(buf, &i, "* shouts: ") ||
2600 looking_at(buf, &i, "--> ")) {
2601 if (appData.colorize) {
2602 if (oldi > next_out) {
2603 SendToPlayer(&buf[next_out], oldi - next_out);
2606 Colorize(ColorShout, FALSE);
2607 curColor = ColorShout;
2610 started = STARTED_CHATTER;
2614 if (looking_at( buf, &i, "Challenge:")) {
2615 if (appData.colorize) {
2616 if (oldi > next_out) {
2617 SendToPlayer(&buf[next_out], oldi - next_out);
2620 Colorize(ColorChallenge, FALSE);
2621 curColor = ColorChallenge;
2627 if (looking_at(buf, &i, "* offers you") ||
2628 looking_at(buf, &i, "* offers to be") ||
2629 looking_at(buf, &i, "* would like to") ||
2630 looking_at(buf, &i, "* requests to") ||
2631 looking_at(buf, &i, "Your opponent offers") ||
2632 looking_at(buf, &i, "Your opponent requests")) {
2634 if (appData.colorize) {
2635 if (oldi > next_out) {
2636 SendToPlayer(&buf[next_out], oldi - next_out);
2639 Colorize(ColorRequest, FALSE);
2640 curColor = ColorRequest;
2645 if (looking_at(buf, &i, "* (*) seeking")) {
2646 if (appData.colorize) {
2647 if (oldi > next_out) {
2648 SendToPlayer(&buf[next_out], oldi - next_out);
2651 Colorize(ColorSeek, FALSE);
2652 curColor = ColorSeek;
2657 if (looking_at(buf, &i, "\\ ")) {
2658 if (prevColor != ColorNormal) {
2659 if (oldi > next_out) {
2660 SendToPlayer(&buf[next_out], oldi - next_out);
2663 Colorize(prevColor, TRUE);
2664 curColor = prevColor;
2666 if (savingComment) {
2667 parse_pos = i - oldi;
2668 memcpy(parse, &buf[oldi], parse_pos);
2669 parse[parse_pos] = NULLCHAR;
2670 started = STARTED_COMMENT;
2672 started = STARTED_CHATTER;
2677 if (looking_at(buf, &i, "Black Strength :") ||
2678 looking_at(buf, &i, "<<< style 10 board >>>") ||
2679 looking_at(buf, &i, "<10>") ||
2680 looking_at(buf, &i, "#@#")) {
2681 /* Wrong board style */
2683 SendToICS(ics_prefix);
2684 SendToICS("set style 12\n");
2685 SendToICS(ics_prefix);
2686 SendToICS("refresh\n");
2690 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2692 have_sent_ICS_logon = 1;
2696 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2697 (looking_at(buf, &i, "\n<12> ") ||
2698 looking_at(buf, &i, "<12> "))) {
2700 if (oldi > next_out) {
2701 SendToPlayer(&buf[next_out], oldi - next_out);
2704 started = STARTED_BOARD;
2709 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2710 looking_at(buf, &i, "<b1> ")) {
2711 if (oldi > next_out) {
2712 SendToPlayer(&buf[next_out], oldi - next_out);
2715 started = STARTED_HOLDINGS;
2720 if (looking_at(buf, &i, "* *vs. * *--- *")) {
2722 /* Header for a move list -- first line */
2724 switch (ics_getting_history) {
2728 case BeginningOfGame:
2729 /* User typed "moves" or "oldmoves" while we
2730 were idle. Pretend we asked for these
2731 moves and soak them up so user can step
2732 through them and/or save them.
2735 gameMode = IcsObserving;
2738 ics_getting_history = H_GOT_UNREQ_HEADER;
2740 case EditGame: /*?*/
2741 case EditPosition: /*?*/
2742 /* Should above feature work in these modes too? */
2743 /* For now it doesn't */
2744 ics_getting_history = H_GOT_UNWANTED_HEADER;
2747 ics_getting_history = H_GOT_UNWANTED_HEADER;
2752 /* Is this the right one? */
2753 if (gameInfo.white && gameInfo.black &&
2754 strcmp(gameInfo.white, star_match[0]) == 0 &&
2755 strcmp(gameInfo.black, star_match[2]) == 0) {
2757 ics_getting_history = H_GOT_REQ_HEADER;
2760 case H_GOT_REQ_HEADER:
2761 case H_GOT_UNREQ_HEADER:
2762 case H_GOT_UNWANTED_HEADER:
2763 case H_GETTING_MOVES:
2764 /* Should not happen */
2765 DisplayError(_("Error gathering move list: two headers"), 0);
2766 ics_getting_history = H_FALSE;
2770 /* Save player ratings into gameInfo if needed */
2771 if ((ics_getting_history == H_GOT_REQ_HEADER ||
2772 ics_getting_history == H_GOT_UNREQ_HEADER) &&
2773 (gameInfo.whiteRating == -1 ||
2774 gameInfo.blackRating == -1)) {
2776 gameInfo.whiteRating = string_to_rating(star_match[1]);
2777 gameInfo.blackRating = string_to_rating(star_match[3]);
2778 if (appData.debugMode)
2779 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
2780 gameInfo.whiteRating, gameInfo.blackRating);
2785 if (looking_at(buf, &i,
2786 "* * match, initial time: * minute*, increment: * second")) {
2787 /* Header for a move list -- second line */
2788 /* Initial board will follow if this is a wild game */
2789 if (gameInfo.event != NULL) free(gameInfo.event);
2790 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2791 gameInfo.event = StrSave(str);
2792 /* [HGM] we switched variant. Translate boards if needed. */
2793 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
2797 if (looking_at(buf, &i, "Move ")) {
2798 /* Beginning of a move list */
2799 switch (ics_getting_history) {
2801 /* Normally should not happen */
2802 /* Maybe user hit reset while we were parsing */
2805 /* Happens if we are ignoring a move list that is not
2806 * the one we just requested. Common if the user
2807 * tries to observe two games without turning off
2810 case H_GETTING_MOVES:
2811 /* Should not happen */
2812 DisplayError(_("Error gathering move list: nested"), 0);
2813 ics_getting_history = H_FALSE;
2815 case H_GOT_REQ_HEADER:
2816 ics_getting_history = H_GETTING_MOVES;
2817 started = STARTED_MOVES;
2819 if (oldi > next_out) {
2820 SendToPlayer(&buf[next_out], oldi - next_out);
2823 case H_GOT_UNREQ_HEADER:
2824 ics_getting_history = H_GETTING_MOVES;
2825 started = STARTED_MOVES_NOHIDE;
2828 case H_GOT_UNWANTED_HEADER:
2829 ics_getting_history = H_FALSE;
2835 if (looking_at(buf, &i, "% ") ||
2836 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2837 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
2838 savingComment = FALSE;
2841 case STARTED_MOVES_NOHIDE:
2842 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2843 parse[parse_pos + i - oldi] = NULLCHAR;
2844 ParseGameHistory(parse);
2846 if (appData.zippyPlay && first.initDone) {
2847 FeedMovesToProgram(&first, forwardMostMove);
2848 if (gameMode == IcsPlayingWhite) {
2849 if (WhiteOnMove(forwardMostMove)) {
2850 if (first.sendTime) {
2851 if (first.useColors) {
2852 SendToProgram("black\n", &first);
2854 SendTimeRemaining(&first, TRUE);
2856 if (first.useColors) {
2857 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
2859 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
2860 first.maybeThinking = TRUE;
2862 if (first.usePlayother) {
2863 if (first.sendTime) {
2864 SendTimeRemaining(&first, TRUE);
2866 SendToProgram("playother\n", &first);
2872 } else if (gameMode == IcsPlayingBlack) {
2873 if (!WhiteOnMove(forwardMostMove)) {
2874 if (first.sendTime) {
2875 if (first.useColors) {
2876 SendToProgram("white\n", &first);
2878 SendTimeRemaining(&first, FALSE);
2880 if (first.useColors) {
2881 SendToProgram("black\n", &first);
2883 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
2884 first.maybeThinking = TRUE;
2886 if (first.usePlayother) {
2887 if (first.sendTime) {
2888 SendTimeRemaining(&first, FALSE);
2890 SendToProgram("playother\n", &first);
2899 if (gameMode == IcsObserving && ics_gamenum == -1) {
2900 /* Moves came from oldmoves or moves command
2901 while we weren't doing anything else.
2903 currentMove = forwardMostMove;
2904 ClearHighlights();/*!!could figure this out*/
2905 flipView = appData.flipView;
2906 DrawPosition(FALSE, boards[currentMove]);
2907 DisplayBothClocks();
2908 sprintf(str, "%s vs. %s",
2909 gameInfo.white, gameInfo.black);
2913 /* Moves were history of an active game */
2914 if (gameInfo.resultDetails != NULL) {
2915 free(gameInfo.resultDetails);
2916 gameInfo.resultDetails = NULL;
2919 HistorySet(parseList, backwardMostMove,
2920 forwardMostMove, currentMove-1);
2921 DisplayMove(currentMove - 1);
2922 if (started == STARTED_MOVES) next_out = i;
2923 started = STARTED_NONE;
2924 ics_getting_history = H_FALSE;
2927 case STARTED_OBSERVE:
2928 started = STARTED_NONE;
2929 SendToICS(ics_prefix);
2930 SendToICS("refresh\n");
2936 if(bookHit) { // [HGM] book: simulate book reply
2937 static char bookMove[MSG_SIZ]; // a bit generous?
2939 programStats.nodes = programStats.depth = programStats.time =
2940 programStats.score = programStats.got_only_move = 0;
2941 sprintf(programStats.movelist, "%s (xbook)", bookHit);
2943 strcpy(bookMove, "move ");
2944 strcat(bookMove, bookHit);
2945 HandleMachineMove(bookMove, &first);
2950 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2951 started == STARTED_HOLDINGS ||
2952 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2953 /* Accumulate characters in move list or board */
2954 parse[parse_pos++] = buf[i];
2957 /* Start of game messages. Mostly we detect start of game
2958 when the first board image arrives. On some versions
2959 of the ICS, though, we need to do a "refresh" after starting
2960 to observe in order to get the current board right away. */
2961 if (looking_at(buf, &i, "Adding game * to observation list")) {
2962 started = STARTED_OBSERVE;
2966 /* Handle auto-observe */
2967 if (appData.autoObserve &&
2968 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2969 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2971 /* Choose the player that was highlighted, if any. */
2972 if (star_match[0][0] == '\033' ||
2973 star_match[1][0] != '\033') {
2974 player = star_match[0];
2976 player = star_match[2];
2978 sprintf(str, "%sobserve %s\n",
2979 ics_prefix, StripHighlightAndTitle(player));
2982 /* Save ratings from notify string */
2983 strcpy(player1Name, star_match[0]);
2984 player1Rating = string_to_rating(star_match[1]);
2985 strcpy(player2Name, star_match[2]);
2986 player2Rating = string_to_rating(star_match[3]);
2988 if (appData.debugMode)
2990 "Ratings from 'Game notification:' %s %d, %s %d\n",
2991 player1Name, player1Rating,
2992 player2Name, player2Rating);
2997 /* Deal with automatic examine mode after a game,
2998 and with IcsObserving -> IcsExamining transition */
2999 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3000 looking_at(buf, &i, "has made you an examiner of game *")) {
3002 int gamenum = atoi(star_match[0]);
3003 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3004 gamenum == ics_gamenum) {
3005 /* We were already playing or observing this game;
3006 no need to refetch history */
3007 gameMode = IcsExamining;
3009 pauseExamForwardMostMove = forwardMostMove;
3010 } else if (currentMove < forwardMostMove) {
3011 ForwardInner(forwardMostMove);
3014 /* I don't think this case really can happen */
3015 SendToICS(ics_prefix);
3016 SendToICS("refresh\n");
3021 /* Error messages */
3022 // if (ics_user_moved) {
3023 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3024 if (looking_at(buf, &i, "Illegal move") ||
3025 looking_at(buf, &i, "Not a legal move") ||
3026 looking_at(buf, &i, "Your king is in check") ||
3027 looking_at(buf, &i, "It isn't your turn") ||
3028 looking_at(buf, &i, "It is not your move")) {
3030 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3031 currentMove = --forwardMostMove;
3032 DisplayMove(currentMove - 1); /* before DMError */
3033 DrawPosition(FALSE, boards[currentMove]);
3035 DisplayBothClocks();
3037 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3043 if (looking_at(buf, &i, "still have time") ||
3044 looking_at(buf, &i, "not out of time") ||
3045 looking_at(buf, &i, "either player is out of time") ||
3046 looking_at(buf, &i, "has timeseal; checking")) {
3047 /* We must have called his flag a little too soon */
3048 whiteFlag = blackFlag = FALSE;
3052 if (looking_at(buf, &i, "added * seconds to") ||
3053 looking_at(buf, &i, "seconds were added to")) {
3054 /* Update the clocks */
3055 SendToICS(ics_prefix);
3056 SendToICS("refresh\n");
3060 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3061 ics_clock_paused = TRUE;
3066 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3067 ics_clock_paused = FALSE;
3072 /* Grab player ratings from the Creating: message.
3073 Note we have to check for the special case when
3074 the ICS inserts things like [white] or [black]. */
3075 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3076 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3078 0 player 1 name (not necessarily white)
3080 2 empty, white, or black (IGNORED)
3081 3 player 2 name (not necessarily black)
3084 The names/ratings are sorted out when the game
3085 actually starts (below).
3087 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3088 player1Rating = string_to_rating(star_match[1]);
3089 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3090 player2Rating = string_to_rating(star_match[4]);
3092 if (appData.debugMode)
3094 "Ratings from 'Creating:' %s %d, %s %d\n",
3095 player1Name, player1Rating,
3096 player2Name, player2Rating);
3101 /* Improved generic start/end-of-game messages */
3102 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3103 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3104 /* If tkind == 0: */
3105 /* star_match[0] is the game number */
3106 /* [1] is the white player's name */
3107 /* [2] is the black player's name */
3108 /* For end-of-game: */
3109 /* [3] is the reason for the game end */
3110 /* [4] is a PGN end game-token, preceded by " " */
3111 /* For start-of-game: */
3112 /* [3] begins with "Creating" or "Continuing" */
3113 /* [4] is " *" or empty (don't care). */
3114 int gamenum = atoi(star_match[0]);
3115 char *whitename, *blackname, *why, *endtoken;
3116 ChessMove endtype = (ChessMove) 0;
3119 whitename = star_match[1];
3120 blackname = star_match[2];
3121 why = star_match[3];
3122 endtoken = star_match[4];
3124 whitename = star_match[1];
3125 blackname = star_match[3];
3126 why = star_match[5];
3127 endtoken = star_match[6];
3130 /* Game start messages */
3131 if (strncmp(why, "Creating ", 9) == 0 ||
3132 strncmp(why, "Continuing ", 11) == 0) {
3133 gs_gamenum = gamenum;
3134 strcpy(gs_kind, strchr(why, ' ') + 1);
3136 if (appData.zippyPlay) {
3137 ZippyGameStart(whitename, blackname);
3143 /* Game end messages */
3144 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3145 ics_gamenum != gamenum) {
3148 while (endtoken[0] == ' ') endtoken++;
3149 switch (endtoken[0]) {
3152 endtype = GameUnfinished;
3155 endtype = BlackWins;
3158 if (endtoken[1] == '/')
3159 endtype = GameIsDrawn;
3161 endtype = WhiteWins;
3164 GameEnds(endtype, why, GE_ICS);
3166 if (appData.zippyPlay && first.initDone) {
3167 ZippyGameEnd(endtype, why);
3168 if (first.pr == NULL) {
3169 /* Start the next process early so that we'll
3170 be ready for the next challenge */
3171 StartChessProgram(&first);
3173 /* Send "new" early, in case this command takes
3174 a long time to finish, so that we'll be ready
3175 for the next challenge. */
3176 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3183 if (looking_at(buf, &i, "Removing game * from observation") ||
3184 looking_at(buf, &i, "no longer observing game *") ||
3185 looking_at(buf, &i, "Game * (*) has no examiners")) {
3186 if (gameMode == IcsObserving &&
3187 atoi(star_match[0]) == ics_gamenum)
3189 /* icsEngineAnalyze */
3190 if (appData.icsEngineAnalyze) {
3197 ics_user_moved = FALSE;
3202 if (looking_at(buf, &i, "no longer examining game *")) {
3203 if (gameMode == IcsExamining &&
3204 atoi(star_match[0]) == ics_gamenum)
3208 ics_user_moved = FALSE;
3213 /* Advance leftover_start past any newlines we find,
3214 so only partial lines can get reparsed */
3215 if (looking_at(buf, &i, "\n")) {
3216 prevColor = curColor;
3217 if (curColor != ColorNormal) {
3218 if (oldi > next_out) {
3219 SendToPlayer(&buf[next_out], oldi - next_out);
3222 Colorize(ColorNormal, FALSE);
3223 curColor = ColorNormal;
3225 if (started == STARTED_BOARD) {
3226 started = STARTED_NONE;
3227 parse[parse_pos] = NULLCHAR;
3228 ParseBoard12(parse);
3231 /* Send premove here */
3232 if (appData.premove) {
3234 if (currentMove == 0 &&
3235 gameMode == IcsPlayingWhite &&
3236 appData.premoveWhite) {
3237 sprintf(str, "%s%s\n", ics_prefix,
3238 appData.premoveWhiteText);
3239 if (appData.debugMode)
3240 fprintf(debugFP, "Sending premove:\n");
3242 } else if (currentMove == 1 &&
3243 gameMode == IcsPlayingBlack &&
3244 appData.premoveBlack) {
3245 sprintf(str, "%s%s\n", ics_prefix,
3246 appData.premoveBlackText);
3247 if (appData.debugMode)
3248 fprintf(debugFP, "Sending premove:\n");
3250 } else if (gotPremove) {
3252 ClearPremoveHighlights();
3253 if (appData.debugMode)
3254 fprintf(debugFP, "Sending premove:\n");
3255 UserMoveEvent(premoveFromX, premoveFromY,
3256 premoveToX, premoveToY,
3261 /* Usually suppress following prompt */
3262 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3263 if (looking_at(buf, &i, "*% ")) {
3264 savingComment = FALSE;
3268 } else if (started == STARTED_HOLDINGS) {
3270 char new_piece[MSG_SIZ];
3271 started = STARTED_NONE;
3272 parse[parse_pos] = NULLCHAR;
3273 if (appData.debugMode)
3274 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3275 parse, currentMove);
3276 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3277 gamenum == ics_gamenum) {
3278 if (gameInfo.variant == VariantNormal) {
3279 /* [HGM] We seem to switch variant during a game!
3280 * Presumably no holdings were displayed, so we have
3281 * to move the position two files to the right to
3282 * create room for them!
3284 VariantClass newVariant;
3285 switch(gameInfo.boardWidth) { // base guess on board width
3286 case 9: newVariant = VariantShogi; break;
3287 case 10: newVariant = VariantGreat; break;
3288 default: newVariant = VariantCrazyhouse; break;
3290 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3291 /* Get a move list just to see the header, which
3292 will tell us whether this is really bug or zh */
3293 if (ics_getting_history == H_FALSE) {
3294 ics_getting_history = H_REQUESTED;
3295 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3299 new_piece[0] = NULLCHAR;
3300 sscanf(parse, "game %d white [%s black [%s <- %s",
3301 &gamenum, white_holding, black_holding,
3303 white_holding[strlen(white_holding)-1] = NULLCHAR;
3304 black_holding[strlen(black_holding)-1] = NULLCHAR;
3305 /* [HGM] copy holdings to board holdings area */
3306 CopyHoldings(boards[currentMove], white_holding, WhitePawn);
3307 CopyHoldings(boards[currentMove], black_holding, BlackPawn);
3309 if (appData.zippyPlay && first.initDone) {
3310 ZippyHoldings(white_holding, black_holding,
3314 if (tinyLayout || smallLayout) {
3315 char wh[16], bh[16];
3316 PackHolding(wh, white_holding);
3317 PackHolding(bh, black_holding);
3318 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3319 gameInfo.white, gameInfo.black);
3321 sprintf(str, "%s [%s] vs. %s [%s]",
3322 gameInfo.white, white_holding,
3323 gameInfo.black, black_holding);
3326 DrawPosition(FALSE, boards[currentMove]);
3329 /* Suppress following prompt */
3330 if (looking_at(buf, &i, "*% ")) {
3331 savingComment = FALSE;
3338 i++; /* skip unparsed character and loop back */
3341 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz suppress printing in ICS interaction window
3342 started != STARTED_HOLDINGS && i > next_out) {
3343 SendToPlayer(&buf[next_out], i - next_out);
3346 suppressKibitz = FALSE; // [HGM] kibitz: has done its duty in if-statement above
3348 leftover_len = buf_len - leftover_start;
3349 /* if buffer ends with something we couldn't parse,
3350 reparse it after appending the next read */
3352 } else if (count == 0) {
3353 RemoveInputSource(isr);
3354 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3356 DisplayFatalError(_("Error reading from ICS"), error, 1);
3361 /* Board style 12 looks like this:
3363 <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
3365 * The "<12> " is stripped before it gets to this routine. The two
3366 * trailing 0's (flip state and clock ticking) are later addition, and
3367 * some chess servers may not have them, or may have only the first.
3368 * Additional trailing fields may be added in the future.
3371 #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"
3373 #define RELATION_OBSERVING_PLAYED 0
3374 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3375 #define RELATION_PLAYING_MYMOVE 1
3376 #define RELATION_PLAYING_NOTMYMOVE -1
3377 #define RELATION_EXAMINING 2
3378 #define RELATION_ISOLATED_BOARD -3
3379 #define RELATION_STARTING_POSITION -4 /* FICS only */
3382 ParseBoard12(string)
3385 GameMode newGameMode;
3386 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3387 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3388 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3389 char to_play, board_chars[200];
3390 char move_str[500], str[500], elapsed_time[500];
3391 char black[32], white[32];
3393 int prevMove = currentMove;
3396 int fromX, fromY, toX, toY;
3398 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3399 char *bookHit = NULL; // [HGM] book
3400 Boolean weird = FALSE;
3402 fromX = fromY = toX = toY = -1;
3406 if (appData.debugMode)
3407 fprintf(debugFP, _("Parsing board: %s\n"), string);
3409 move_str[0] = NULLCHAR;
3410 elapsed_time[0] = NULLCHAR;
3411 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3413 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3414 if(string[i] == ' ') { ranks++; files = 0; }
3416 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3419 for(j = 0; j <i; j++) board_chars[j] = string[j];
3420 board_chars[i] = '\0';
3423 n = sscanf(string, PATTERN, &to_play, &double_push,
3424 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3425 &gamenum, white, black, &relation, &basetime, &increment,
3426 &white_stren, &black_stren, &white_time, &black_time,
3427 &moveNum, str, elapsed_time, move_str, &ics_flip,
3429 fprintf(debugFP, "old: %dx%d new: %dx%d weird=%d variant=%d\n",gameInfo.boardHeight,gameInfo.boardWidth,ranks,files,weird,gameInfo.variant);fflush(debugFP);
3430 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3431 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3432 /* [HGM] We seem to switch variant during a game!
3433 * Try to guess new variant from board size
3435 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3436 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3437 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3438 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3439 if(ranks == 9 && files == 9) newVariant = VariantShogi;
3440 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3441 /* Get a move list just to see the header, which
3442 will tell us whether this is really bug or zh */
3443 if (ics_getting_history == H_FALSE) {
3444 ics_getting_history = H_REQUESTED;
3445 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3451 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3452 DisplayError(str, 0);
3456 /* Convert the move number to internal form */
3457 moveNum = (moveNum - 1) * 2;
3458 if (to_play == 'B') moveNum++;
3459 if (moveNum >= MAX_MOVES) {
3460 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3466 case RELATION_OBSERVING_PLAYED:
3467 case RELATION_OBSERVING_STATIC:
3468 if (gamenum == -1) {
3469 /* Old ICC buglet */
3470 relation = RELATION_OBSERVING_STATIC;
3472 newGameMode = IcsObserving;
3474 case RELATION_PLAYING_MYMOVE:
3475 case RELATION_PLAYING_NOTMYMOVE:
3477 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3478 IcsPlayingWhite : IcsPlayingBlack;
3480 case RELATION_EXAMINING:
3481 newGameMode = IcsExamining;
3483 case RELATION_ISOLATED_BOARD:
3485 /* Just display this board. If user was doing something else,
3486 we will forget about it until the next board comes. */
3487 newGameMode = IcsIdle;
3489 case RELATION_STARTING_POSITION:
3490 newGameMode = gameMode;
3494 /* Modify behavior for initial board display on move listing
3497 switch (ics_getting_history) {
3501 case H_GOT_REQ_HEADER:
3502 case H_GOT_UNREQ_HEADER:
3503 /* This is the initial position of the current game */
3504 gamenum = ics_gamenum;
3505 moveNum = 0; /* old ICS bug workaround */
3506 if (to_play == 'B') {
3507 startedFromSetupPosition = TRUE;
3508 blackPlaysFirst = TRUE;
3510 if (forwardMostMove == 0) forwardMostMove = 1;
3511 if (backwardMostMove == 0) backwardMostMove = 1;
3512 if (currentMove == 0) currentMove = 1;
3514 newGameMode = gameMode;
3515 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3517 case H_GOT_UNWANTED_HEADER:
3518 /* This is an initial board that we don't want */
3520 case H_GETTING_MOVES:
3521 /* Should not happen */
3522 DisplayError(_("Error gathering move list: extra board"), 0);
3523 ics_getting_history = H_FALSE;
3527 /* Take action if this is the first board of a new game, or of a
3528 different game than is currently being displayed. */
3529 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3530 relation == RELATION_ISOLATED_BOARD) {
3532 /* Forget the old game and get the history (if any) of the new one */
3533 if (gameMode != BeginningOfGame) {
3537 if (appData.autoRaiseBoard) BoardToTop();
3539 if (gamenum == -1) {
3540 newGameMode = IcsIdle;
3541 } else if (moveNum > 0 && newGameMode != IcsIdle &&
3542 appData.getMoveList) {
3543 /* Need to get game history */
3544 ics_getting_history = H_REQUESTED;
3545 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3549 /* Initially flip the board to have black on the bottom if playing
3550 black or if the ICS flip flag is set, but let the user change
3551 it with the Flip View button. */
3552 flipView = appData.autoFlipView ?
3553 (newGameMode == IcsPlayingBlack) || ics_flip :
3556 /* Done with values from previous mode; copy in new ones */
3557 gameMode = newGameMode;
3559 ics_gamenum = gamenum;
3560 if (gamenum == gs_gamenum) {
3561 int klen = strlen(gs_kind);
3562 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3563 sprintf(str, "ICS %s", gs_kind);
3564 gameInfo.event = StrSave(str);
3566 gameInfo.event = StrSave("ICS game");
3568 gameInfo.site = StrSave(appData.icsHost);
3569 gameInfo.date = PGNDate();
3570 gameInfo.round = StrSave("-");
3571 gameInfo.white = StrSave(white);
3572 gameInfo.black = StrSave(black);
3573 timeControl = basetime * 60 * 1000;
3575 timeIncrement = increment * 1000;
3576 movesPerSession = 0;
3577 gameInfo.timeControl = TimeControlTagValue();
3578 VariantSwitch(board, StringToVariant(gameInfo.event) );
3579 if (appData.debugMode) {
3580 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3581 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3582 setbuf(debugFP, NULL);
3585 gameInfo.outOfBook = NULL;
3587 /* Do we have the ratings? */
3588 if (strcmp(player1Name, white) == 0 &&
3589 strcmp(player2Name, black) == 0) {
3590 if (appData.debugMode)
3591 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3592 player1Rating, player2Rating);
3593 gameInfo.whiteRating = player1Rating;
3594 gameInfo.blackRating = player2Rating;
3595 } else if (strcmp(player2Name, white) == 0 &&
3596 strcmp(player1Name, black) == 0) {
3597 if (appData.debugMode)
3598 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3599 player2Rating, player1Rating);
3600 gameInfo.whiteRating = player2Rating;
3601 gameInfo.blackRating = player1Rating;
3603 player1Name[0] = player2Name[0] = NULLCHAR;
3605 /* Silence shouts if requested */
3606 if (appData.quietPlay &&
3607 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3608 SendToICS(ics_prefix);
3609 SendToICS("set shout 0\n");
3613 /* Deal with midgame name changes */
3615 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3616 if (gameInfo.white) free(gameInfo.white);
3617 gameInfo.white = StrSave(white);
3619 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3620 if (gameInfo.black) free(gameInfo.black);
3621 gameInfo.black = StrSave(black);
3625 /* Throw away game result if anything actually changes in examine mode */
3626 if (gameMode == IcsExamining && !newGame) {
3627 gameInfo.result = GameUnfinished;
3628 if (gameInfo.resultDetails != NULL) {
3629 free(gameInfo.resultDetails);
3630 gameInfo.resultDetails = NULL;
3634 /* In pausing && IcsExamining mode, we ignore boards coming
3635 in if they are in a different variation than we are. */
3636 if (pauseExamInvalid) return;
3637 if (pausing && gameMode == IcsExamining) {
3638 if (moveNum <= pauseExamForwardMostMove) {
3639 pauseExamInvalid = TRUE;
3640 forwardMostMove = pauseExamForwardMostMove;
3645 if (appData.debugMode) {
3646 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3648 /* Parse the board */
3649 for (k = 0; k < ranks; k++) {
3650 for (j = 0; j < files; j++)
3651 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3652 if(gameInfo.holdingsWidth > 1) {
3653 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3654 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3657 CopyBoard(boards[moveNum], board);
3659 startedFromSetupPosition =
3660 !CompareBoards(board, initialPosition);
3661 if(startedFromSetupPosition)
3662 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3665 /* [HGM] Set castling rights. Take the outermost Rooks,
3666 to make it also work for FRC opening positions. Note that board12
3667 is really defective for later FRC positions, as it has no way to
3668 indicate which Rook can castle if they are on the same side of King.
3669 For the initial position we grant rights to the outermost Rooks,
3670 and remember thos rights, and we then copy them on positions
3671 later in an FRC game. This means WB might not recognize castlings with
3672 Rooks that have moved back to their original position as illegal,
3673 but in ICS mode that is not its job anyway.
3675 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3676 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3678 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3679 if(board[0][i] == WhiteRook) j = i;
3680 initialRights[0] = castlingRights[moveNum][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3681 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3682 if(board[0][i] == WhiteRook) j = i;
3683 initialRights[1] = castlingRights[moveNum][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3684 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3685 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3686 initialRights[3] = castlingRights[moveNum][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3687 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3688 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3689 initialRights[4] = castlingRights[moveNum][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3691 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
3692 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3693 if(board[0][k] == wKing) initialRights[2] = castlingRights[moveNum][2] = k;
3694 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3695 if(board[BOARD_HEIGHT-1][k] == bKing)
3696 initialRights[5] = castlingRights[moveNum][5] = k;
3698 r = castlingRights[moveNum][0] = initialRights[0];
3699 if(board[0][r] != WhiteRook) castlingRights[moveNum][0] = -1;
3700 r = castlingRights[moveNum][1] = initialRights[1];
3701 if(board[0][r] != WhiteRook) castlingRights[moveNum][1] = -1;
3702 r = castlingRights[moveNum][3] = initialRights[3];
3703 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][3] = -1;
3704 r = castlingRights[moveNum][4] = initialRights[4];
3705 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][4] = -1;
3706 /* wildcastle kludge: always assume King has rights */
3707 r = castlingRights[moveNum][2] = initialRights[2];
3708 r = castlingRights[moveNum][5] = initialRights[5];
3710 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
3711 epStatus[moveNum] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
3714 if (ics_getting_history == H_GOT_REQ_HEADER ||
3715 ics_getting_history == H_GOT_UNREQ_HEADER) {
3716 /* This was an initial position from a move list, not
3717 the current position */
3721 /* Update currentMove and known move number limits */
3722 newMove = newGame || moveNum > forwardMostMove;
3724 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
3725 if (!newGame && appData.icsEngineAnalyze && moveNum < forwardMostMove) {
3726 takeback = forwardMostMove - moveNum;
3727 for (i = 0; i < takeback; i++) {
3728 if (appData.debugMode) fprintf(debugFP, "take back move\n");
3729 SendToProgram("undo\n", &first);
3734 forwardMostMove = backwardMostMove = currentMove = moveNum;
3735 if (gameMode == IcsExamining && moveNum == 0) {
3736 /* Workaround for ICS limitation: we are not told the wild
3737 type when starting to examine a game. But if we ask for
3738 the move list, the move list header will tell us */
3739 ics_getting_history = H_REQUESTED;
3740 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3743 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
3744 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
3745 forwardMostMove = moveNum;
3746 if (!pausing || currentMove > forwardMostMove)
3747 currentMove = forwardMostMove;
3749 /* New part of history that is not contiguous with old part */
3750 if (pausing && gameMode == IcsExamining) {
3751 pauseExamInvalid = TRUE;
3752 forwardMostMove = pauseExamForwardMostMove;
3755 forwardMostMove = backwardMostMove = currentMove = moveNum;
3756 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
3757 ics_getting_history = H_REQUESTED;
3758 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3763 /* Update the clocks */
3764 if (strchr(elapsed_time, '.')) {
3766 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
3767 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
3769 /* Time is in seconds */
3770 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
3771 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
3776 if (appData.zippyPlay && newGame &&
3777 gameMode != IcsObserving && gameMode != IcsIdle &&
3778 gameMode != IcsExamining)
3779 ZippyFirstBoard(moveNum, basetime, increment);
3782 /* Put the move on the move list, first converting
3783 to canonical algebraic form. */
3785 if (appData.debugMode) {
3786 if (appData.debugMode) { int f = forwardMostMove;
3787 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
3788 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
3790 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
3791 fprintf(debugFP, "moveNum = %d\n", moveNum);
3792 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
3793 setbuf(debugFP, NULL);
3795 if (moveNum <= backwardMostMove) {
3796 /* We don't know what the board looked like before
3798 strcpy(parseList[moveNum - 1], move_str);
3799 strcat(parseList[moveNum - 1], " ");
3800 strcat(parseList[moveNum - 1], elapsed_time);
3801 moveList[moveNum - 1][0] = NULLCHAR;
3802 } else if (strcmp(move_str, "none") == 0) {
3803 // [HGM] long SAN: swapped order; test for 'none' before parsing move
3804 /* Again, we don't know what the board looked like;
3805 this is really the start of the game. */
3806 parseList[moveNum - 1][0] = NULLCHAR;
3807 moveList[moveNum - 1][0] = NULLCHAR;
3808 backwardMostMove = moveNum;
3809 startedFromSetupPosition = TRUE;
3810 fromX = fromY = toX = toY = -1;
3812 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
3813 // So we parse the long-algebraic move string in stead of the SAN move
3814 int valid; char buf[MSG_SIZ], *prom;
3816 // str looks something like "Q/a1-a2"; kill the slash
3818 sprintf(buf, "%c%s", str[0], str+2);
3819 else strcpy(buf, str); // might be castling
3820 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
3821 strcat(buf, prom); // long move lacks promo specification!
3822 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
3823 if(appData.debugMode)
3824 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
3825 strcpy(move_str, buf);
3827 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
3828 &fromX, &fromY, &toX, &toY, &promoChar)
3829 || ParseOneMove(buf, moveNum - 1, &moveType,
3830 &fromX, &fromY, &toX, &toY, &promoChar);
3831 // end of long SAN patch
3833 (void) CoordsToAlgebraic(boards[moveNum - 1],
3834 PosFlags(moveNum - 1), EP_UNKNOWN,
3835 fromY, fromX, toY, toX, promoChar,
3836 parseList[moveNum-1]);
3837 switch (MateTest(boards[moveNum], PosFlags(moveNum), EP_UNKNOWN,
3838 castlingRights[moveNum]) ) {
3844 if(gameInfo.variant != VariantShogi)
3845 strcat(parseList[moveNum - 1], "+");
3848 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
3849 strcat(parseList[moveNum - 1], "#");
3852 strcat(parseList[moveNum - 1], " ");
3853 strcat(parseList[moveNum - 1], elapsed_time);
3854 /* currentMoveString is set as a side-effect of ParseOneMove */
3855 strcpy(moveList[moveNum - 1], currentMoveString);
3856 strcat(moveList[moveNum - 1], "\n");
3858 /* Move from ICS was illegal!? Punt. */
3859 if (appData.debugMode) {
3860 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
3861 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
3863 strcpy(parseList[moveNum - 1], move_str);
3864 strcat(parseList[moveNum - 1], " ");
3865 strcat(parseList[moveNum - 1], elapsed_time);
3866 moveList[moveNum - 1][0] = NULLCHAR;
3867 fromX = fromY = toX = toY = -1;
3870 if (appData.debugMode) {
3871 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
3872 setbuf(debugFP, NULL);
3876 /* Send move to chess program (BEFORE animating it). */
3877 if (appData.zippyPlay && !newGame && newMove &&
3878 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
3880 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
3881 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
3882 if (moveList[moveNum - 1][0] == NULLCHAR) {
3883 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
3885 DisplayError(str, 0);
3887 if (first.sendTime) {
3888 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
3890 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
3891 if (firstMove && !bookHit) {
3893 if (first.useColors) {
3894 SendToProgram(gameMode == IcsPlayingWhite ?
3896 "black\ngo\n", &first);
3898 SendToProgram("go\n", &first);
3900 first.maybeThinking = TRUE;
3903 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
3904 if (moveList[moveNum - 1][0] == NULLCHAR) {
3905 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
3906 DisplayError(str, 0);
3908 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
3909 SendMoveToProgram(moveNum - 1, &first);
3916 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
3917 /* If move comes from a remote source, animate it. If it
3918 isn't remote, it will have already been animated. */
3919 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
3920 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
3922 if (!pausing && appData.highlightLastMove) {
3923 SetHighlights(fromX, fromY, toX, toY);
3927 /* Start the clocks */
3928 whiteFlag = blackFlag = FALSE;
3929 appData.clockMode = !(basetime == 0 && increment == 0);
3931 ics_clock_paused = TRUE;
3933 } else if (ticking == 1) {
3934 ics_clock_paused = FALSE;
3936 if (gameMode == IcsIdle ||
3937 relation == RELATION_OBSERVING_STATIC ||
3938 relation == RELATION_EXAMINING ||
3940 DisplayBothClocks();
3944 /* Display opponents and material strengths */
3945 if (gameInfo.variant != VariantBughouse &&
3946 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
3947 if (tinyLayout || smallLayout) {
3948 if(gameInfo.variant == VariantNormal)
3949 sprintf(str, "%s(%d) %s(%d) {%d %d}",
3950 gameInfo.white, white_stren, gameInfo.black, black_stren,
3951 basetime, increment);
3953 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
3954 gameInfo.white, white_stren, gameInfo.black, black_stren,
3955 basetime, increment, (int) gameInfo.variant);
3957 if(gameInfo.variant == VariantNormal)
3958 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
3959 gameInfo.white, white_stren, gameInfo.black, black_stren,
3960 basetime, increment);
3962 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
3963 gameInfo.white, white_stren, gameInfo.black, black_stren,
3964 basetime, increment, VariantName(gameInfo.variant));
3967 if (appData.debugMode) {
3968 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
3973 /* Display the board */
3974 if (!pausing && !appData.noGUI) {
3976 if (appData.premove)
3978 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
3979 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
3980 ClearPremoveHighlights();
3982 DrawPosition(FALSE, boards[currentMove]);
3983 DisplayMove(moveNum - 1);
3984 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
3985 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
3986 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
3987 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
3991 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
3993 if(bookHit) { // [HGM] book: simulate book reply
3994 static char bookMove[MSG_SIZ]; // a bit generous?
3996 programStats.nodes = programStats.depth = programStats.time =
3997 programStats.score = programStats.got_only_move = 0;
3998 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4000 strcpy(bookMove, "move ");
4001 strcat(bookMove, bookHit);
4002 HandleMachineMove(bookMove, &first);
4011 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4012 ics_getting_history = H_REQUESTED;
4013 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4019 AnalysisPeriodicEvent(force)
4022 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4023 && !force) || !appData.periodicUpdates)
4026 /* Send . command to Crafty to collect stats */
4027 SendToProgram(".\n", &first);
4029 /* Don't send another until we get a response (this makes
4030 us stop sending to old Crafty's which don't understand
4031 the "." command (sending illegal cmds resets node count & time,
4032 which looks bad)) */
4033 programStats.ok_to_send = 0;
4036 void ics_update_width(new_width)
4039 ics_printf("set width %d\n", new_width);
4043 SendMoveToProgram(moveNum, cps)
4045 ChessProgramState *cps;
4049 if (cps->useUsermove) {
4050 SendToProgram("usermove ", cps);
4054 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4055 int len = space - parseList[moveNum];
4056 memcpy(buf, parseList[moveNum], len);
4058 buf[len] = NULLCHAR;
4060 sprintf(buf, "%s\n", parseList[moveNum]);
4062 SendToProgram(buf, cps);
4064 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4065 AlphaRank(moveList[moveNum], 4);
4066 SendToProgram(moveList[moveNum], cps);
4067 AlphaRank(moveList[moveNum], 4); // and back
4069 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4070 * the engine. It would be nice to have a better way to identify castle
4072 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4073 && cps->useOOCastle) {
4074 int fromX = moveList[moveNum][0] - AAA;
4075 int fromY = moveList[moveNum][1] - ONE;
4076 int toX = moveList[moveNum][2] - AAA;
4077 int toY = moveList[moveNum][3] - ONE;
4078 if((boards[moveNum][fromY][fromX] == WhiteKing
4079 && boards[moveNum][toY][toX] == WhiteRook)
4080 || (boards[moveNum][fromY][fromX] == BlackKing
4081 && boards[moveNum][toY][toX] == BlackRook)) {
4082 if(toX > fromX) SendToProgram("O-O\n", cps);
4083 else SendToProgram("O-O-O\n", cps);
4085 else SendToProgram(moveList[moveNum], cps);
4087 else SendToProgram(moveList[moveNum], cps);
4088 /* End of additions by Tord */
4091 /* [HGM] setting up the opening has brought engine in force mode! */
4092 /* Send 'go' if we are in a mode where machine should play. */
4093 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4094 (gameMode == TwoMachinesPlay ||
4096 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4098 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4099 SendToProgram("go\n", cps);
4100 if (appData.debugMode) {
4101 fprintf(debugFP, "(extra)\n");
4104 setboardSpoiledMachineBlack = 0;
4108 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4110 int fromX, fromY, toX, toY;
4112 char user_move[MSG_SIZ];
4116 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4117 (int)moveType, fromX, fromY, toX, toY);
4118 DisplayError(user_move + strlen("say "), 0);
4120 case WhiteKingSideCastle:
4121 case BlackKingSideCastle:
4122 case WhiteQueenSideCastleWild:
4123 case BlackQueenSideCastleWild:
4125 case WhiteHSideCastleFR:
4126 case BlackHSideCastleFR:
4128 sprintf(user_move, "o-o\n");
4130 case WhiteQueenSideCastle:
4131 case BlackQueenSideCastle:
4132 case WhiteKingSideCastleWild:
4133 case BlackKingSideCastleWild:
4135 case WhiteASideCastleFR:
4136 case BlackASideCastleFR:
4138 sprintf(user_move, "o-o-o\n");
4140 case WhitePromotionQueen:
4141 case BlackPromotionQueen:
4142 case WhitePromotionRook:
4143 case BlackPromotionRook:
4144 case WhitePromotionBishop:
4145 case BlackPromotionBishop:
4146 case WhitePromotionKnight:
4147 case BlackPromotionKnight:
4148 case WhitePromotionKing:
4149 case BlackPromotionKing:
4150 case WhitePromotionChancellor:
4151 case BlackPromotionChancellor:
4152 case WhitePromotionArchbishop:
4153 case BlackPromotionArchbishop:
4154 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier)
4155 sprintf(user_move, "%c%c%c%c=%c\n",
4156 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4157 PieceToChar(WhiteFerz));
4158 else if(gameInfo.variant == VariantGreat)
4159 sprintf(user_move, "%c%c%c%c=%c\n",
4160 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4161 PieceToChar(WhiteMan));
4163 sprintf(user_move, "%c%c%c%c=%c\n",
4164 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4165 PieceToChar(PromoPiece(moveType)));
4169 sprintf(user_move, "%c@%c%c\n",
4170 ToUpper(PieceToChar((ChessSquare) fromX)),
4171 AAA + toX, ONE + toY);
4174 case WhiteCapturesEnPassant:
4175 case BlackCapturesEnPassant:
4176 case IllegalMove: /* could be a variant we don't quite understand */
4177 sprintf(user_move, "%c%c%c%c\n",
4178 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4181 SendToICS(user_move);
4182 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4183 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4187 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4192 if (rf == DROP_RANK) {
4193 sprintf(move, "%c@%c%c\n",
4194 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4196 if (promoChar == 'x' || promoChar == NULLCHAR) {
4197 sprintf(move, "%c%c%c%c\n",
4198 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4200 sprintf(move, "%c%c%c%c%c\n",
4201 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4207 ProcessICSInitScript(f)
4212 while (fgets(buf, MSG_SIZ, f)) {
4213 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4220 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4222 AlphaRank(char *move, int n)
4224 // char *p = move, c; int x, y;
4226 if (appData.debugMode) {
4227 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4231 move[2]>='0' && move[2]<='9' &&
4232 move[3]>='a' && move[3]<='x' ) {
4234 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4235 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4237 if(move[0]>='0' && move[0]<='9' &&
4238 move[1]>='a' && move[1]<='x' &&
4239 move[2]>='0' && move[2]<='9' &&
4240 move[3]>='a' && move[3]<='x' ) {
4241 /* input move, Shogi -> normal */
4242 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4243 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4244 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4245 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4248 move[3]>='0' && move[3]<='9' &&
4249 move[2]>='a' && move[2]<='x' ) {
4251 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4252 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4255 move[0]>='a' && move[0]<='x' &&
4256 move[3]>='0' && move[3]<='9' &&
4257 move[2]>='a' && move[2]<='x' ) {
4258 /* output move, normal -> Shogi */
4259 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4260 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4261 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4262 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4263 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4265 if (appData.debugMode) {
4266 fprintf(debugFP, " out = '%s'\n", move);
4270 /* Parser for moves from gnuchess, ICS, or user typein box */
4272 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4275 ChessMove *moveType;
4276 int *fromX, *fromY, *toX, *toY;
4279 if (appData.debugMode) {
4280 fprintf(debugFP, "move to parse: %s\n", move);
4282 *moveType = yylexstr(moveNum, move);
4284 switch (*moveType) {
4285 case WhitePromotionChancellor:
4286 case BlackPromotionChancellor:
4287 case WhitePromotionArchbishop:
4288 case BlackPromotionArchbishop:
4289 case WhitePromotionQueen:
4290 case BlackPromotionQueen:
4291 case WhitePromotionRook:
4292 case BlackPromotionRook:
4293 case WhitePromotionBishop:
4294 case BlackPromotionBishop:
4295 case WhitePromotionKnight:
4296 case BlackPromotionKnight:
4297 case WhitePromotionKing:
4298 case BlackPromotionKing:
4300 case WhiteCapturesEnPassant:
4301 case BlackCapturesEnPassant:
4302 case WhiteKingSideCastle:
4303 case WhiteQueenSideCastle:
4304 case BlackKingSideCastle:
4305 case BlackQueenSideCastle:
4306 case WhiteKingSideCastleWild:
4307 case WhiteQueenSideCastleWild:
4308 case BlackKingSideCastleWild:
4309 case BlackQueenSideCastleWild:
4310 /* Code added by Tord: */
4311 case WhiteHSideCastleFR:
4312 case WhiteASideCastleFR:
4313 case BlackHSideCastleFR:
4314 case BlackASideCastleFR:
4315 /* End of code added by Tord */
4316 case IllegalMove: /* bug or odd chess variant */
4317 *fromX = currentMoveString[0] - AAA;
4318 *fromY = currentMoveString[1] - ONE;
4319 *toX = currentMoveString[2] - AAA;
4320 *toY = currentMoveString[3] - ONE;
4321 *promoChar = currentMoveString[4];
4322 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4323 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4324 if (appData.debugMode) {
4325 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4327 *fromX = *fromY = *toX = *toY = 0;
4330 if (appData.testLegality) {
4331 return (*moveType != IllegalMove);
4333 return !(fromX == fromY && toX == toY);
4338 *fromX = *moveType == WhiteDrop ?
4339 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4340 (int) CharToPiece(ToLower(currentMoveString[0]));
4342 *toX = currentMoveString[2] - AAA;
4343 *toY = currentMoveString[3] - ONE;
4344 *promoChar = NULLCHAR;
4348 case ImpossibleMove:
4349 case (ChessMove) 0: /* end of file */
4358 if (appData.debugMode) {
4359 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4362 *fromX = *fromY = *toX = *toY = 0;
4363 *promoChar = NULLCHAR;
4368 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4369 // All positions will have equal probability, but the current method will not provide a unique
4370 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4376 int piecesLeft[(int)BlackPawn];
4377 int seed, nrOfShuffles;
4379 void GetPositionNumber()
4380 { // sets global variable seed
4383 seed = appData.defaultFrcPosition;
4384 if(seed < 0) { // randomize based on time for negative FRC position numbers
4385 for(i=0; i<50; i++) seed += random();
4386 seed = random() ^ random() >> 8 ^ random() << 8;
4387 if(seed<0) seed = -seed;
4391 int put(Board board, int pieceType, int rank, int n, int shade)
4392 // put the piece on the (n-1)-th empty squares of the given shade
4396 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4397 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4398 board[rank][i] = (ChessSquare) pieceType;
4399 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4401 piecesLeft[pieceType]--;
4409 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4410 // calculate where the next piece goes, (any empty square), and put it there
4414 i = seed % squaresLeft[shade];
4415 nrOfShuffles *= squaresLeft[shade];
4416 seed /= squaresLeft[shade];
4417 put(board, pieceType, rank, i, shade);
4420 void AddTwoPieces(Board board, int pieceType, int rank)
4421 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4423 int i, n=squaresLeft[ANY], j=n-1, k;
4425 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4426 i = seed % k; // pick one
4429 while(i >= j) i -= j--;
4430 j = n - 1 - j; i += j;
4431 put(board, pieceType, rank, j, ANY);
4432 put(board, pieceType, rank, i, ANY);
4435 void SetUpShuffle(Board board, int number)
4439 GetPositionNumber(); nrOfShuffles = 1;
4441 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4442 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4443 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4445 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4447 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4448 p = (int) board[0][i];
4449 if(p < (int) BlackPawn) piecesLeft[p] ++;
4450 board[0][i] = EmptySquare;
4453 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4454 // shuffles restricted to allow normal castling put KRR first
4455 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4456 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4457 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4458 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4459 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4460 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4461 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4462 put(board, WhiteRook, 0, 0, ANY);
4463 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4466 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4467 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4468 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4469 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4470 while(piecesLeft[p] >= 2) {
4471 AddOnePiece(board, p, 0, LITE);
4472 AddOnePiece(board, p, 0, DARK);
4474 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4477 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4478 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4479 // but we leave King and Rooks for last, to possibly obey FRC restriction
4480 if(p == (int)WhiteRook) continue;
4481 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4482 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4485 // now everything is placed, except perhaps King (Unicorn) and Rooks
4487 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4488 // Last King gets castling rights
4489 while(piecesLeft[(int)WhiteUnicorn]) {
4490 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4491 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4494 while(piecesLeft[(int)WhiteKing]) {
4495 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4496 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4501 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4502 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4505 // Only Rooks can be left; simply place them all
4506 while(piecesLeft[(int)WhiteRook]) {
4507 i = put(board, WhiteRook, 0, 0, ANY);
4508 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4511 initialRights[1] = initialRights[4] = castlingRights[0][1] = castlingRights[0][4] = i;
4513 initialRights[0] = initialRights[3] = castlingRights[0][0] = castlingRights[0][3] = i;
4516 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4517 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4520 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4523 int SetCharTable( char *table, const char * map )
4524 /* [HGM] moved here from winboard.c because of its general usefulness */
4525 /* Basically a safe strcpy that uses the last character as King */
4527 int result = FALSE; int NrPieces;
4529 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4530 && NrPieces >= 12 && !(NrPieces&1)) {
4531 int i; /* [HGM] Accept even length from 12 to 34 */
4533 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4534 for( i=0; i<NrPieces/2-1; i++ ) {
4536 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4538 table[(int) WhiteKing] = map[NrPieces/2-1];
4539 table[(int) BlackKing] = map[NrPieces-1];
4547 void Prelude(Board board)
4548 { // [HGM] superchess: random selection of exo-pieces
4549 int i, j, k; ChessSquare p;
4550 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4552 GetPositionNumber(); // use FRC position number
4554 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
4555 SetCharTable(pieceToChar, appData.pieceToCharTable);
4556 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
4557 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
4560 j = seed%4; seed /= 4;
4561 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4562 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4563 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4564 j = seed%3 + (seed%3 >= j); seed /= 3;
4565 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4566 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4567 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4568 j = seed%3; seed /= 3;
4569 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4570 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4571 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4572 j = seed%2 + (seed%2 >= j); seed /= 2;
4573 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4574 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4575 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4576 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
4577 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
4578 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
4579 put(board, exoPieces[0], 0, 0, ANY);
4580 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
4584 InitPosition(redraw)
4587 ChessSquare (* pieces)[BOARD_SIZE];
4588 int i, j, pawnRow, overrule,
4589 oldx = gameInfo.boardWidth,
4590 oldy = gameInfo.boardHeight,
4591 oldh = gameInfo.holdingsWidth,
4592 oldv = gameInfo.variant;
4594 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
4596 /* [AS] Initialize pv info list [HGM] and game status */
4598 for( i=0; i<MAX_MOVES; i++ ) {
4599 pvInfoList[i].depth = 0;
4600 epStatus[i]=EP_NONE;
4601 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
4604 initialRulePlies = 0; /* 50-move counter start */
4606 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
4607 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
4611 /* [HGM] logic here is completely changed. In stead of full positions */
4612 /* the initialized data only consist of the two backranks. The switch */
4613 /* selects which one we will use, which is than copied to the Board */
4614 /* initialPosition, which for the rest is initialized by Pawns and */
4615 /* empty squares. This initial position is then copied to boards[0], */
4616 /* possibly after shuffling, so that it remains available. */
4618 gameInfo.holdingsWidth = 0; /* default board sizes */
4619 gameInfo.boardWidth = 8;
4620 gameInfo.boardHeight = 8;
4621 gameInfo.holdingsSize = 0;
4622 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
4623 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1; /* but no rights yet */
4624 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
4626 switch (gameInfo.variant) {
4627 case VariantFischeRandom:
4628 shuffleOpenings = TRUE;
4632 case VariantShatranj:
4633 pieces = ShatranjArray;
4634 nrCastlingRights = 0;
4635 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
4637 case VariantTwoKings:
4638 pieces = twoKingsArray;
4640 case VariantCapaRandom:
4641 shuffleOpenings = TRUE;
4642 case VariantCapablanca:
4643 pieces = CapablancaArray;
4644 gameInfo.boardWidth = 10;
4645 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4648 pieces = GothicArray;
4649 gameInfo.boardWidth = 10;
4650 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4653 pieces = JanusArray;
4654 gameInfo.boardWidth = 10;
4655 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
4656 nrCastlingRights = 6;
4657 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4658 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4659 castlingRights[0][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
4660 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4661 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4662 castlingRights[0][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
4665 pieces = FalconArray;
4666 gameInfo.boardWidth = 10;
4667 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
4669 case VariantXiangqi:
4670 pieces = XiangqiArray;
4671 gameInfo.boardWidth = 9;
4672 gameInfo.boardHeight = 10;
4673 nrCastlingRights = 0;
4674 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
4677 pieces = ShogiArray;
4678 gameInfo.boardWidth = 9;
4679 gameInfo.boardHeight = 9;
4680 gameInfo.holdingsSize = 7;
4681 nrCastlingRights = 0;
4682 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
4684 case VariantCourier:
4685 pieces = CourierArray;
4686 gameInfo.boardWidth = 12;
4687 nrCastlingRights = 0;
4688 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
4689 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4691 case VariantKnightmate:
4692 pieces = KnightmateArray;
4693 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
4696 pieces = fairyArray;
4697 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVSLUKpnbrqfeacwmohijgdvsluk");
4700 pieces = GreatArray;
4701 gameInfo.boardWidth = 10;
4702 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
4703 gameInfo.holdingsSize = 8;
4707 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
4708 gameInfo.holdingsSize = 8;
4709 startedFromSetupPosition = TRUE;
4711 case VariantCrazyhouse:
4712 case VariantBughouse:
4714 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
4715 gameInfo.holdingsSize = 5;
4717 case VariantWildCastle:
4719 /* !!?shuffle with kings guaranteed to be on d or e file */
4720 shuffleOpenings = 1;
4722 case VariantNoCastle:
4724 nrCastlingRights = 0;
4725 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4726 /* !!?unconstrained back-rank shuffle */
4727 shuffleOpenings = 1;
4732 if(appData.NrFiles >= 0) {
4733 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
4734 gameInfo.boardWidth = appData.NrFiles;
4736 if(appData.NrRanks >= 0) {
4737 gameInfo.boardHeight = appData.NrRanks;
4739 if(appData.holdingsSize >= 0) {
4740 i = appData.holdingsSize;
4741 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
4742 gameInfo.holdingsSize = i;
4744 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
4745 if(BOARD_HEIGHT > BOARD_SIZE || BOARD_WIDTH > BOARD_SIZE)
4746 DisplayFatalError(_("Recompile to support this BOARD_SIZE!"), 0, 2);
4748 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
4749 if(pawnRow < 1) pawnRow = 1;
4751 /* User pieceToChar list overrules defaults */
4752 if(appData.pieceToCharTable != NULL)
4753 SetCharTable(pieceToChar, appData.pieceToCharTable);
4755 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
4757 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
4758 s = (ChessSquare) 0; /* account holding counts in guard band */
4759 for( i=0; i<BOARD_HEIGHT; i++ )
4760 initialPosition[i][j] = s;
4762 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
4763 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
4764 initialPosition[pawnRow][j] = WhitePawn;
4765 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
4766 if(gameInfo.variant == VariantXiangqi) {
4768 initialPosition[pawnRow][j] =
4769 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
4770 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
4771 initialPosition[2][j] = WhiteCannon;
4772 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
4776 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
4778 if( (gameInfo.variant == VariantShogi) && !overrule ) {
4781 initialPosition[1][j] = WhiteBishop;
4782 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
4784 initialPosition[1][j] = WhiteRook;
4785 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
4788 if( nrCastlingRights == -1) {
4789 /* [HGM] Build normal castling rights (must be done after board sizing!) */
4790 /* This sets default castling rights from none to normal corners */
4791 /* Variants with other castling rights must set them themselves above */
4792 nrCastlingRights = 6;
4794 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4795 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4796 castlingRights[0][2] = initialRights[2] = BOARD_WIDTH>>1;
4797 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4798 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4799 castlingRights[0][5] = initialRights[5] = BOARD_WIDTH>>1;
4802 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
4803 if(gameInfo.variant == VariantGreat) { // promotion commoners
4804 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
4805 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
4806 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
4807 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
4809 if (appData.debugMode) {
4810 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
4812 if(shuffleOpenings) {
4813 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
4814 startedFromSetupPosition = TRUE;
4816 if(startedFromPositionFile) {
4817 /* [HGM] loadPos: use PositionFile for every new game */
4818 CopyBoard(initialPosition, filePosition);
4819 for(i=0; i<nrCastlingRights; i++)
4820 castlingRights[0][i] = initialRights[i] = fileRights[i];
4821 startedFromSetupPosition = TRUE;
4824 CopyBoard(boards[0], initialPosition);
4826 if(oldx != gameInfo.boardWidth ||
4827 oldy != gameInfo.boardHeight ||
4828 oldh != gameInfo.holdingsWidth
4830 || oldv == VariantGothic || // For licensing popups
4831 gameInfo.variant == VariantGothic
4834 || oldv == VariantFalcon ||
4835 gameInfo.variant == VariantFalcon
4838 InitDrawingSizes(-2 ,0);
4841 DrawPosition(TRUE, boards[currentMove]);
4845 SendBoard(cps, moveNum)
4846 ChessProgramState *cps;
4849 char message[MSG_SIZ];
4851 if (cps->useSetboard) {
4852 char* fen = PositionToFEN(moveNum, cps->fenOverride);
4853 sprintf(message, "setboard %s\n", fen);
4854 SendToProgram(message, cps);
4860 /* Kludge to set black to move, avoiding the troublesome and now
4861 * deprecated "black" command.
4863 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
4865 SendToProgram("edit\n", cps);
4866 SendToProgram("#\n", cps);
4867 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4868 bp = &boards[moveNum][i][BOARD_LEFT];
4869 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4870 if ((int) *bp < (int) BlackPawn) {
4871 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
4873 if(message[0] == '+' || message[0] == '~') {
4874 sprintf(message, "%c%c%c+\n",
4875 PieceToChar((ChessSquare)(DEMOTED *bp)),
4878 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4879 message[1] = BOARD_RGHT - 1 - j + '1';
4880 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4882 SendToProgram(message, cps);
4887 SendToProgram("c\n", cps);
4888 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4889 bp = &boards[moveNum][i][BOARD_LEFT];
4890 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4891 if (((int) *bp != (int) EmptySquare)
4892 && ((int) *bp >= (int) BlackPawn)) {
4893 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
4895 if(message[0] == '+' || message[0] == '~') {
4896 sprintf(message, "%c%c%c+\n",
4897 PieceToChar((ChessSquare)(DEMOTED *bp)),
4900 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4901 message[1] = BOARD_RGHT - 1 - j + '1';
4902 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4904 SendToProgram(message, cps);
4909 SendToProgram(".\n", cps);
4911 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
4915 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
4917 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
4918 /* [HGM] add Shogi promotions */
4919 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
4924 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
4925 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
4927 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
4928 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
4931 piece = boards[currentMove][fromY][fromX];
4932 if(gameInfo.variant == VariantShogi) {
4933 promotionZoneSize = 3;
4934 highestPromotingPiece = (int)WhiteFerz;
4937 // next weed out all moves that do not touch the promotion zone at all
4938 if((int)piece >= BlackPawn) {
4939 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
4941 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
4943 if( toY < BOARD_HEIGHT - promotionZoneSize &&
4944 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
4947 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
4949 // weed out mandatory Shogi promotions
4950 if(gameInfo.variant == VariantShogi) {
4951 if(piece >= BlackPawn) {
4952 if(toY == 0 && piece == BlackPawn ||
4953 toY == 0 && piece == BlackQueen ||
4954 toY <= 1 && piece == BlackKnight) {
4959 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
4960 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
4961 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
4968 // weed out obviously illegal Pawn moves
4969 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
4970 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
4971 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
4972 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
4973 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
4974 // note we are not allowed to test for valid (non-)capture, due to premove
4977 // we either have a choice what to promote to, or (in Shogi) whether to promote
4978 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier) {
4979 *promoChoice = PieceToChar(BlackFerz); // no choice
4982 if(appData.alwaysPromoteToQueen) { // predetermined
4983 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
4984 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
4985 else *promoChoice = PieceToChar(BlackQueen);
4989 // suppress promotion popup on illegal moves that are not premoves
4990 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
4991 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
4992 if(appData.testLegality && !premove) {
4993 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
4994 epStatus[currentMove], castlingRights[currentMove],
4995 fromY, fromX, toY, toX, NULLCHAR);
4996 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
4997 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5005 InPalace(row, column)
5007 { /* [HGM] for Xiangqi */
5008 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5009 column < (BOARD_WIDTH + 4)/2 &&
5010 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5015 PieceForSquare (x, y)
5019 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5022 return boards[currentMove][y][x];
5026 OKToStartUserMove(x, y)
5029 ChessSquare from_piece;
5032 if (matchMode) return FALSE;
5033 if (gameMode == EditPosition) return TRUE;
5035 if (x >= 0 && y >= 0)
5036 from_piece = boards[currentMove][y][x];
5038 from_piece = EmptySquare;
5040 if (from_piece == EmptySquare) return FALSE;
5042 white_piece = (int)from_piece >= (int)WhitePawn &&
5043 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5046 case PlayFromGameFile:
5048 case TwoMachinesPlay:
5056 case MachinePlaysWhite:
5057 case IcsPlayingBlack:
5058 if (appData.zippyPlay) return FALSE;
5060 DisplayMoveError(_("You are playing Black"));
5065 case MachinePlaysBlack:
5066 case IcsPlayingWhite:
5067 if (appData.zippyPlay) return FALSE;
5069 DisplayMoveError(_("You are playing White"));
5075 if (!white_piece && WhiteOnMove(currentMove)) {
5076 DisplayMoveError(_("It is White's turn"));
5079 if (white_piece && !WhiteOnMove(currentMove)) {
5080 DisplayMoveError(_("It is Black's turn"));
5083 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5084 /* Editing correspondence game history */
5085 /* Could disallow this or prompt for confirmation */
5088 if (currentMove < forwardMostMove) {
5089 /* Discarding moves */
5090 /* Could prompt for confirmation here,
5091 but I don't think that's such a good idea */
5092 forwardMostMove = currentMove;
5096 case BeginningOfGame:
5097 if (appData.icsActive) return FALSE;
5098 if (!appData.noChessProgram) {
5100 DisplayMoveError(_("You are playing White"));
5107 if (!white_piece && WhiteOnMove(currentMove)) {
5108 DisplayMoveError(_("It is White's turn"));
5111 if (white_piece && !WhiteOnMove(currentMove)) {
5112 DisplayMoveError(_("It is Black's turn"));
5121 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5122 && gameMode != AnalyzeFile && gameMode != Training) {
5123 DisplayMoveError(_("Displayed position is not current"));
5129 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5130 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5131 int lastLoadGameUseList = FALSE;
5132 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5133 ChessMove lastLoadGameStart = (ChessMove) 0;
5136 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5137 int fromX, fromY, toX, toY;
5142 ChessSquare pdown, pup;
5144 /* Check if the user is playing in turn. This is complicated because we
5145 let the user "pick up" a piece before it is his turn. So the piece he
5146 tried to pick up may have been captured by the time he puts it down!
5147 Therefore we use the color the user is supposed to be playing in this
5148 test, not the color of the piece that is currently on the starting
5149 square---except in EditGame mode, where the user is playing both
5150 sides; fortunately there the capture race can't happen. (It can
5151 now happen in IcsExamining mode, but that's just too bad. The user
5152 will get a somewhat confusing message in that case.)
5156 case PlayFromGameFile:
5158 case TwoMachinesPlay:
5162 /* We switched into a game mode where moves are not accepted,
5163 perhaps while the mouse button was down. */
5164 return ImpossibleMove;
5166 case MachinePlaysWhite:
5167 /* User is moving for Black */
5168 if (WhiteOnMove(currentMove)) {
5169 DisplayMoveError(_("It is White's turn"));
5170 return ImpossibleMove;
5174 case MachinePlaysBlack:
5175 /* User is moving for White */
5176 if (!WhiteOnMove(currentMove)) {
5177 DisplayMoveError(_("It is Black's turn"));
5178 return ImpossibleMove;
5184 case BeginningOfGame:
5187 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5188 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5189 /* User is moving for Black */
5190 if (WhiteOnMove(currentMove)) {
5191 DisplayMoveError(_("It is White's turn"));
5192 return ImpossibleMove;
5195 /* User is moving for White */
5196 if (!WhiteOnMove(currentMove)) {
5197 DisplayMoveError(_("It is Black's turn"));
5198 return ImpossibleMove;
5203 case IcsPlayingBlack:
5204 /* User is moving for Black */
5205 if (WhiteOnMove(currentMove)) {
5206 if (!appData.premove) {
5207 DisplayMoveError(_("It is White's turn"));
5208 } else if (toX >= 0 && toY >= 0) {
5211 premoveFromX = fromX;
5212 premoveFromY = fromY;
5213 premovePromoChar = promoChar;
5215 if (appData.debugMode)
5216 fprintf(debugFP, "Got premove: fromX %d,"
5217 "fromY %d, toX %d, toY %d\n",
5218 fromX, fromY, toX, toY);
5220 return ImpossibleMove;
5224 case IcsPlayingWhite:
5225 /* User is moving for White */
5226 if (!WhiteOnMove(currentMove)) {
5227 if (!appData.premove) {
5228 DisplayMoveError(_("It is Black's turn"));
5229 } else if (toX >= 0 && toY >= 0) {
5232 premoveFromX = fromX;
5233 premoveFromY = fromY;
5234 premovePromoChar = promoChar;
5236 if (appData.debugMode)
5237 fprintf(debugFP, "Got premove: fromX %d,"
5238 "fromY %d, toX %d, toY %d\n",
5239 fromX, fromY, toX, toY);
5241 return ImpossibleMove;
5249 /* EditPosition, empty square, or different color piece;
5250 click-click move is possible */
5251 if (toX == -2 || toY == -2) {
5252 boards[0][fromY][fromX] = EmptySquare;
5253 return AmbiguousMove;
5254 } else if (toX >= 0 && toY >= 0) {
5255 boards[0][toY][toX] = boards[0][fromY][fromX];
5256 boards[0][fromY][fromX] = EmptySquare;
5257 return AmbiguousMove;
5259 return ImpossibleMove;
5262 pdown = boards[currentMove][fromY][fromX];
5263 pup = boards[currentMove][toY][toX];
5265 /* [HGM] If move started in holdings, it means a drop */
5266 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5267 if( pup != EmptySquare ) return ImpossibleMove;
5268 if(appData.testLegality) {
5269 /* it would be more logical if LegalityTest() also figured out
5270 * which drops are legal. For now we forbid pawns on back rank.
5271 * Shogi is on its own here...
5273 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5274 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5275 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5277 return WhiteDrop; /* Not needed to specify white or black yet */
5280 userOfferedDraw = FALSE;
5282 /* [HGM] always test for legality, to get promotion info */
5283 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5284 epStatus[currentMove], castlingRights[currentMove],
5285 fromY, fromX, toY, toX, promoChar);
5286 /* [HGM] but possibly ignore an IllegalMove result */
5287 if (appData.testLegality) {
5288 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5289 DisplayMoveError(_("Illegal move"));
5290 return ImpossibleMove;
5293 if(appData.debugMode) fprintf(debugFP, "moveType 3 = %d, promochar = %x\n", moveType, promoChar);
5295 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5296 function is made into one that returns an OK move type if FinishMove
5297 should be called. This to give the calling driver routine the
5298 opportunity to finish the userMove input with a promotion popup,
5299 without bothering the user with this for invalid or illegal moves */
5301 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5304 /* Common tail of UserMoveEvent and DropMenuEvent */
5306 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5308 int fromX, fromY, toX, toY;
5309 /*char*/int promoChar;
5312 if(appData.debugMode) fprintf(debugFP, "moveType 5 = %d, promochar = %x\n", moveType, promoChar);
5313 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5314 // [HGM] superchess: suppress promotions to non-available piece
5315 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5316 if(WhiteOnMove(currentMove)) {
5317 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5319 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5323 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5324 move type in caller when we know the move is a legal promotion */
5325 if(moveType == NormalMove && promoChar)
5326 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5327 if(appData.debugMode) fprintf(debugFP, "moveType 1 = %d, promochar = %x\n", moveType, promoChar);
5328 /* [HGM] convert drag-and-drop piece drops to standard form */
5329 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5330 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5331 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5332 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5333 // fromX = boards[currentMove][fromY][fromX];
5334 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5335 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5336 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5337 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5341 /* [HGM] <popupFix> The following if has been moved here from
5342 UserMoveEvent(). Because it seemed to belon here (why not allow
5343 piece drops in training games?), and because it can only be
5344 performed after it is known to what we promote. */
5345 if (gameMode == Training) {
5346 /* compare the move played on the board to the next move in the
5347 * game. If they match, display the move and the opponent's response.
5348 * If they don't match, display an error message.
5351 Board testBoard; char testRights[BOARD_SIZE]; char testStatus;
5352 CopyBoard(testBoard, boards[currentMove]);
5353 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard, testRights, &testStatus);
5355 if (CompareBoards(testBoard, boards[currentMove+1])) {
5356 ForwardInner(currentMove+1);
5358 /* Autoplay the opponent's response.
5359 * if appData.animate was TRUE when Training mode was entered,
5360 * the response will be animated.
5362 saveAnimate = appData.animate;
5363 appData.animate = animateTraining;
5364 ForwardInner(currentMove+1);
5365 appData.animate = saveAnimate;
5367 /* check for the end of the game */
5368 if (currentMove >= forwardMostMove) {
5369 gameMode = PlayFromGameFile;
5371 SetTrainingModeOff();
5372 DisplayInformation(_("End of game"));
5375 DisplayError(_("Incorrect move"), 0);
5380 /* Ok, now we know that the move is good, so we can kill
5381 the previous line in Analysis Mode */
5382 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5383 forwardMostMove = currentMove;
5386 /* If we need the chess program but it's dead, restart it */
5387 ResurrectChessProgram();
5389 /* A user move restarts a paused game*/
5393 thinkOutput[0] = NULLCHAR;
5395 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5397 if (gameMode == BeginningOfGame) {
5398 if (appData.noChessProgram) {
5399 gameMode = EditGame;
5403 gameMode = MachinePlaysBlack;
5406 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5408 if (first.sendName) {
5409 sprintf(buf, "name %s\n", gameInfo.white);
5410 SendToProgram(buf, &first);
5416 if(appData.debugMode) fprintf(debugFP, "moveType 2 = %d, promochar = %x\n", moveType, promoChar);
5417 /* Relay move to ICS or chess engine */
5418 if (appData.icsActive) {
5419 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5420 gameMode == IcsExamining) {
5421 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5425 if (first.sendTime && (gameMode == BeginningOfGame ||
5426 gameMode == MachinePlaysWhite ||
5427 gameMode == MachinePlaysBlack)) {
5428 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5430 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5431 // [HGM] book: if program might be playing, let it use book
5432 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5433 first.maybeThinking = TRUE;
5434 } else SendMoveToProgram(forwardMostMove-1, &first);
5435 if (currentMove == cmailOldMove + 1) {
5436 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5440 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5444 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5445 EP_UNKNOWN, castlingRights[currentMove]) ) {
5451 if (WhiteOnMove(currentMove)) {
5452 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5454 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5458 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5463 case MachinePlaysBlack:
5464 case MachinePlaysWhite:
5465 /* disable certain menu options while machine is thinking */
5466 SetMachineThinkingEnables();
5473 if(bookHit) { // [HGM] book: simulate book reply
5474 static char bookMove[MSG_SIZ]; // a bit generous?
5476 programStats.nodes = programStats.depth = programStats.time =
5477 programStats.score = programStats.got_only_move = 0;
5478 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5480 strcpy(bookMove, "move ");
5481 strcat(bookMove, bookHit);
5482 HandleMachineMove(bookMove, &first);
5488 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5489 int fromX, fromY, toX, toY;
5492 /* [HGM] This routine was added to allow calling of its two logical
5493 parts from other modules in the old way. Before, UserMoveEvent()
5494 automatically called FinishMove() if the move was OK, and returned
5495 otherwise. I separated the two, in order to make it possible to
5496 slip a promotion popup in between. But that it always needs two
5497 calls, to the first part, (now called UserMoveTest() ), and to
5498 FinishMove if the first part succeeded. Calls that do not need
5499 to do anything in between, can call this routine the old way.
5501 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
5502 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
5503 if(moveType == AmbiguousMove)
5504 DrawPosition(FALSE, boards[currentMove]);
5505 else if(moveType != ImpossibleMove && moveType != Comment)
5506 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
5509 void LeftClick(ClickType clickType, int xPix, int yPix)
5512 Boolean saveAnimate;
5513 static int second = 0, promotionChoice = 0;
5514 char promoChoice = NULLCHAR;
5516 if (clickType == Press) ErrorPopDown();
5518 x = EventToSquare(xPix, BOARD_WIDTH);
5519 y = EventToSquare(yPix, BOARD_HEIGHT);
5520 if (!flipView && y >= 0) {
5521 y = BOARD_HEIGHT - 1 - y;
5523 if (flipView && x >= 0) {
5524 x = BOARD_WIDTH - 1 - x;
5527 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
5528 if(clickType == Release) return; // ignore upclick of click-click destination
5529 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
5530 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
5531 if(gameInfo.holdingsWidth &&
5532 (WhiteOnMove(currentMove)
5533 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
5534 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
5535 // click in right holdings, for determining promotion piece
5536 ChessSquare p = boards[currentMove][y][x];
5537 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
5538 if(p != EmptySquare) {
5539 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
5544 DrawPosition(FALSE, boards[currentMove]);
5548 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
5549 if(clickType == Press
5550 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
5551 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
5552 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
5556 if (clickType == Press) {
5558 if (OKToStartUserMove(x, y)) {
5562 DragPieceBegin(xPix, yPix);
5563 if (appData.highlightDragging) {
5564 SetHighlights(x, y, -1, -1);
5572 if (clickType == Press && gameMode != EditPosition) {
5577 // ignore off-board to clicks
5578 if(y < 0 || x < 0) return;
5580 /* Check if clicking again on the same color piece */
5581 fromP = boards[currentMove][fromY][fromX];
5582 toP = boards[currentMove][y][x];
5583 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
5584 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
5585 WhitePawn <= toP && toP <= WhiteKing &&
5586 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
5587 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
5588 (BlackPawn <= fromP && fromP <= BlackKing &&
5589 BlackPawn <= toP && toP <= BlackKing &&
5590 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
5591 !(fromP == BlackKing && toP == BlackRook && frc))) {
5592 /* Clicked again on same color piece -- changed his mind */
5593 second = (x == fromX && y == fromY);
5594 if (appData.highlightDragging) {
5595 SetHighlights(x, y, -1, -1);
5599 if (OKToStartUserMove(x, y)) {
5602 DragPieceBegin(xPix, yPix);
5606 // ignore to-clicks in holdings
5607 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
5610 if (clickType == Release && (x == fromX && y == fromY ||
5611 x < BOARD_LEFT || x >= BOARD_RGHT)) {
5613 // treat drags into holding as click on start square
5614 x = fromX; y = fromY;
5616 DragPieceEnd(xPix, yPix);
5617 if (appData.animateDragging) {
5618 /* Undo animation damage if any */
5619 DrawPosition(FALSE, NULL);
5622 /* Second up/down in same square; just abort move */
5627 ClearPremoveHighlights();
5629 /* First upclick in same square; start click-click mode */
5630 SetHighlights(x, y, -1, -1);
5635 /* we now have a different from- and to-square */
5636 /* Completed move */
5639 saveAnimate = appData.animate;
5640 if (clickType == Press) {
5641 /* Finish clickclick move */
5642 if (appData.animate || appData.highlightLastMove) {
5643 SetHighlights(fromX, fromY, toX, toY);
5648 /* Finish drag move */
5649 if (appData.highlightLastMove) {
5650 SetHighlights(fromX, fromY, toX, toY);
5654 DragPieceEnd(xPix, yPix);
5655 /* Don't animate move and drag both */
5656 appData.animate = FALSE;
5658 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
5659 SetHighlights(fromX, fromY, toX, toY);
5660 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
5661 // [HGM] super: promotion to captured piece selected from holdings
5662 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
5663 promotionChoice = TRUE;
5664 // kludge follows to temporarily execute move on display, without promoting yet
5665 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
5666 boards[currentMove][toY][toX] = p;
5667 DrawPosition(FALSE, boards[currentMove]);
5668 boards[currentMove][fromY][fromX] = p; // take back, but display stays
5669 boards[currentMove][toY][toX] = q;
5670 DisplayMessage("Click in holdings to choose piece", "");
5675 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
5676 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
5677 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
5680 appData.animate = saveAnimate;
5681 if (appData.animate || appData.animateDragging) {
5682 /* Undo animation damage if needed */
5683 DrawPosition(FALSE, NULL);
5687 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
5689 // char * hint = lastHint;
5690 FrontEndProgramStats stats;
5692 stats.which = cps == &first ? 0 : 1;
5693 stats.depth = cpstats->depth;
5694 stats.nodes = cpstats->nodes;
5695 stats.score = cpstats->score;
5696 stats.time = cpstats->time;
5697 stats.pv = cpstats->movelist;
5698 stats.hint = lastHint;
5699 stats.an_move_index = 0;
5700 stats.an_move_count = 0;
5702 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
5703 stats.hint = cpstats->move_name;
5704 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
5705 stats.an_move_count = cpstats->nr_moves;
5708 SetProgramStats( &stats );
5711 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
5712 { // [HGM] book: this routine intercepts moves to simulate book replies
5713 char *bookHit = NULL;
5715 //first determine if the incoming move brings opponent into his book
5716 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
5717 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
5718 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
5719 if(bookHit != NULL && !cps->bookSuspend) {
5720 // make sure opponent is not going to reply after receiving move to book position
5721 SendToProgram("force\n", cps);
5722 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
5724 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
5725 // now arrange restart after book miss
5727 // after a book hit we never send 'go', and the code after the call to this routine
5728 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
5730 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
5731 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
5732 SendToProgram(buf, cps);
5733 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
5734 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
5735 SendToProgram("go\n", cps);
5736 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
5737 } else { // 'go' might be sent based on 'firstMove' after this routine returns
5738 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
5739 SendToProgram("go\n", cps);
5740 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
5742 return bookHit; // notify caller of hit, so it can take action to send move to opponent
5746 ChessProgramState *savedState;
5747 void DeferredBookMove(void)
5749 if(savedState->lastPing != savedState->lastPong)
5750 ScheduleDelayedEvent(DeferredBookMove, 10);
5752 HandleMachineMove(savedMessage, savedState);
5756 HandleMachineMove(message, cps)
5758 ChessProgramState *cps;
5760 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
5761 char realname[MSG_SIZ];
5762 int fromX, fromY, toX, toY;
5769 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
5771 * Kludge to ignore BEL characters
5773 while (*message == '\007') message++;
5776 * [HGM] engine debug message: ignore lines starting with '#' character
5778 if(cps->debug && *message == '#') return;
5781 * Look for book output
5783 if (cps == &first && bookRequested) {
5784 if (message[0] == '\t' || message[0] == ' ') {
5785 /* Part of the book output is here; append it */
5786 strcat(bookOutput, message);
5787 strcat(bookOutput, " \n");
5789 } else if (bookOutput[0] != NULLCHAR) {
5790 /* All of book output has arrived; display it */
5791 char *p = bookOutput;
5792 while (*p != NULLCHAR) {
5793 if (*p == '\t') *p = ' ';
5796 DisplayInformation(bookOutput);
5797 bookRequested = FALSE;
5798 /* Fall through to parse the current output */
5803 * Look for machine move.
5805 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
5806 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
5808 /* This method is only useful on engines that support ping */
5809 if (cps->lastPing != cps->lastPong) {
5810 if (gameMode == BeginningOfGame) {
5811 /* Extra move from before last new; ignore */
5812 if (appData.debugMode) {
5813 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5816 if (appData.debugMode) {
5817 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5818 cps->which, gameMode);
5821 SendToProgram("undo\n", cps);
5827 case BeginningOfGame:
5828 /* Extra move from before last reset; ignore */
5829 if (appData.debugMode) {
5830 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5837 /* Extra move after we tried to stop. The mode test is
5838 not a reliable way of detecting this problem, but it's
5839 the best we can do on engines that don't support ping.
5841 if (appData.debugMode) {
5842 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5843 cps->which, gameMode);
5845 SendToProgram("undo\n", cps);
5848 case MachinePlaysWhite:
5849 case IcsPlayingWhite:
5850 machineWhite = TRUE;
5853 case MachinePlaysBlack:
5854 case IcsPlayingBlack:
5855 machineWhite = FALSE;
5858 case TwoMachinesPlay:
5859 machineWhite = (cps->twoMachinesColor[0] == 'w');
5862 if (WhiteOnMove(forwardMostMove) != machineWhite) {
5863 if (appData.debugMode) {
5865 "Ignoring move out of turn by %s, gameMode %d"
5866 ", forwardMost %d\n",
5867 cps->which, gameMode, forwardMostMove);
5872 if (appData.debugMode) { int f = forwardMostMove;
5873 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
5874 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
5876 if(cps->alphaRank) AlphaRank(machineMove, 4);
5877 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
5878 &fromX, &fromY, &toX, &toY, &promoChar)) {
5879 /* Machine move could not be parsed; ignore it. */
5880 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
5881 machineMove, cps->which);
5882 DisplayError(buf1, 0);
5883 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
5884 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
5885 if (gameMode == TwoMachinesPlay) {
5886 GameEnds(machineWhite ? BlackWins : WhiteWins,
5892 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
5893 /* So we have to redo legality test with true e.p. status here, */
5894 /* to make sure an illegal e.p. capture does not slip through, */
5895 /* to cause a forfeit on a justified illegal-move complaint */
5896 /* of the opponent. */
5897 if( gameMode==TwoMachinesPlay && appData.testLegality
5898 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
5901 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
5902 epStatus[forwardMostMove], castlingRights[forwardMostMove],
5903 fromY, fromX, toY, toX, promoChar);
5904 if (appData.debugMode) {
5906 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
5907 castlingRights[forwardMostMove][i], castlingRank[i]);
5908 fprintf(debugFP, "castling rights\n");
5910 if(moveType == IllegalMove) {
5911 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
5912 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
5913 GameEnds(machineWhite ? BlackWins : WhiteWins,
5916 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
5917 /* [HGM] Kludge to handle engines that send FRC-style castling
5918 when they shouldn't (like TSCP-Gothic) */
5920 case WhiteASideCastleFR:
5921 case BlackASideCastleFR:
5923 currentMoveString[2]++;
5925 case WhiteHSideCastleFR:
5926 case BlackHSideCastleFR:
5928 currentMoveString[2]--;
5930 default: ; // nothing to do, but suppresses warning of pedantic compilers
5933 hintRequested = FALSE;
5934 lastHint[0] = NULLCHAR;
5935 bookRequested = FALSE;
5936 /* Program may be pondering now */
5937 cps->maybeThinking = TRUE;
5938 if (cps->sendTime == 2) cps->sendTime = 1;
5939 if (cps->offeredDraw) cps->offeredDraw--;
5942 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
5944 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5946 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
5947 char buf[3*MSG_SIZ];
5949 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
5950 programStats.score / 100.,
5952 programStats.time / 100.,
5953 (unsigned int)programStats.nodes,
5954 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
5955 programStats.movelist);
5957 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
5961 /* currentMoveString is set as a side-effect of ParseOneMove */
5962 strcpy(machineMove, currentMoveString);
5963 strcat(machineMove, "\n");
5964 strcpy(moveList[forwardMostMove], machineMove);
5966 /* [AS] Save move info and clear stats for next move */
5967 pvInfoList[ forwardMostMove ].score = programStats.score;
5968 pvInfoList[ forwardMostMove ].depth = programStats.depth;
5969 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
5970 ClearProgramStats();
5971 thinkOutput[0] = NULLCHAR;
5972 hiddenThinkOutputState = 0;
5974 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
5976 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
5977 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
5980 while( count < adjudicateLossPlies ) {
5981 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
5984 score = -score; /* Flip score for winning side */
5987 if( score > adjudicateLossThreshold ) {
5994 if( count >= adjudicateLossPlies ) {
5995 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5997 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
5998 "Xboard adjudication",
6005 if( gameMode == TwoMachinesPlay ) {
6006 // [HGM] some adjudications useful with buggy engines
6007 int k, count = 0, epFile = epStatus[forwardMostMove]; static int bare = 1;
6008 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6011 if( appData.testLegality )
6012 { /* [HGM] Some more adjudications for obstinate engines */
6013 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6014 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6015 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6016 static int moveCount = 6;
6018 char *reason = NULL;
6020 /* Count what is on board. */
6021 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6022 { ChessSquare p = boards[forwardMostMove][i][j];
6026 { /* count B,N,R and other of each side */
6029 NrK++; break; // [HGM] atomic: count Kings
6033 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6034 bishopsColor |= 1 << ((i^j)&1);
6039 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6040 bishopsColor |= 1 << ((i^j)&1);
6055 PawnAdvance += m; NrPawns++;
6057 NrPieces += (p != EmptySquare);
6058 NrW += ((int)p < (int)BlackPawn);
6059 if(gameInfo.variant == VariantXiangqi &&
6060 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6061 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6062 NrW -= ((int)p < (int)BlackPawn);
6066 /* Some material-based adjudications that have to be made before stalemate test */
6067 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6068 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6069 epStatus[forwardMostMove] = EP_CHECKMATE; // make claimable as if stm is checkmated
6070 if(appData.checkMates) {
6071 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6072 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6073 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6074 "Xboard adjudication: King destroyed", GE_XBOARD );
6079 /* Bare King in Shatranj (loses) or Losers (wins) */
6080 if( NrW == 1 || NrPieces - NrW == 1) {
6081 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6082 epStatus[forwardMostMove] = EP_WINS; // mark as win, so it becomes claimable
6083 if(appData.checkMates) {
6084 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets to see move
6085 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6086 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6087 "Xboard adjudication: Bare king", GE_XBOARD );
6091 if( gameInfo.variant == VariantShatranj && --bare < 0)
6093 epStatus[forwardMostMove] = EP_WINS; // make claimable as win for stm
6094 if(appData.checkMates) {
6095 /* but only adjudicate if adjudication enabled */
6096 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6097 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6098 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6099 "Xboard adjudication: Bare king", GE_XBOARD );
6106 // don't wait for engine to announce game end if we can judge ourselves
6107 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove), epFile,
6108 castlingRights[forwardMostMove]) ) {
6110 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6111 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6112 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6113 if(MateTest(boards[i], PosFlags(i), epStatus[i], castlingRights[i]) == MT_CHECK)
6116 reason = "Xboard adjudication: 3rd check";
6117 epStatus[forwardMostMove] = EP_CHECKMATE;
6127 reason = "Xboard adjudication: Stalemate";
6128 if(epStatus[forwardMostMove] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6129 epStatus[forwardMostMove] = EP_STALEMATE; // default result for stalemate is draw
6130 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6131 epStatus[forwardMostMove] = EP_WINS; // in these variants stalemated is always a win
6132 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6133 epStatus[forwardMostMove] = NrW == NrPieces-NrW ? EP_STALEMATE :
6134 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6135 EP_CHECKMATE : EP_WINS);
6136 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6137 epStatus[forwardMostMove] = EP_CHECKMATE; // and in these variants being stalemated loses
6141 reason = "Xboard adjudication: Checkmate";
6142 epStatus[forwardMostMove] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6146 switch(i = epStatus[forwardMostMove]) {
6148 result = GameIsDrawn; break;
6150 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6152 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6154 result = (ChessMove) 0;
6156 if(appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6157 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6158 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6159 GameEnds( result, reason, GE_XBOARD );
6163 /* Next absolutely insufficient mating material. */
6164 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6165 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6166 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6167 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6168 { /* KBK, KNK, KK of KBKB with like Bishops */
6170 /* always flag draws, for judging claims */
6171 epStatus[forwardMostMove] = EP_INSUF_DRAW;
6173 if(appData.materialDraws) {
6174 /* but only adjudicate them if adjudication enabled */
6175 SendToProgram("force\n", cps->other); // suppress reply
6176 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see last move */
6177 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6178 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6183 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6185 ( NrWR == 1 && NrBR == 1 /* KRKR */
6186 || NrWQ==1 && NrBQ==1 /* KQKQ */
6187 || NrWN==2 || NrBN==2 /* KNNK */
6188 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6190 if(--moveCount < 0 && appData.trivialDraws)
6191 { /* if the first 3 moves do not show a tactical win, declare draw */
6192 SendToProgram("force\n", cps->other); // suppress reply
6193 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6194 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6195 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6198 } else moveCount = 6;
6202 if (appData.debugMode) { int i;
6203 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6204 forwardMostMove, backwardMostMove, epStatus[backwardMostMove],
6205 appData.drawRepeats);
6206 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6207 fprintf(debugFP, "%d ep=%d\n", i, epStatus[i]);
6211 /* Check for rep-draws */
6213 for(k = forwardMostMove-2;
6214 k>=backwardMostMove && k>=forwardMostMove-100 &&
6215 epStatus[k] < EP_UNKNOWN &&
6216 epStatus[k+2] <= EP_NONE && epStatus[k+1] <= EP_NONE;
6219 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6220 /* compare castling rights */
6221 if( castlingRights[forwardMostMove][2] != castlingRights[k][2] &&
6222 (castlingRights[k][0] >= 0 || castlingRights[k][1] >= 0) )
6223 rights++; /* King lost rights, while rook still had them */
6224 if( castlingRights[forwardMostMove][2] >= 0 ) { /* king has rights */
6225 if( castlingRights[forwardMostMove][0] != castlingRights[k][0] ||
6226 castlingRights[forwardMostMove][1] != castlingRights[k][1] )
6227 rights++; /* but at least one rook lost them */
6229 if( castlingRights[forwardMostMove][5] != castlingRights[k][5] &&
6230 (castlingRights[k][3] >= 0 || castlingRights[k][4] >= 0) )
6232 if( castlingRights[forwardMostMove][5] >= 0 ) {
6233 if( castlingRights[forwardMostMove][3] != castlingRights[k][3] ||
6234 castlingRights[forwardMostMove][4] != castlingRights[k][4] )
6237 if( rights == 0 && ++count > appData.drawRepeats-2
6238 && appData.drawRepeats > 1) {
6239 /* adjudicate after user-specified nr of repeats */
6240 SendToProgram("force\n", cps->other); // suppress reply
6241 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6242 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6243 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6244 // [HGM] xiangqi: check for forbidden perpetuals
6245 int m, ourPerpetual = 1, hisPerpetual = 1;
6246 for(m=forwardMostMove; m>k; m-=2) {
6247 if(MateTest(boards[m], PosFlags(m),
6248 EP_NONE, castlingRights[m]) != MT_CHECK)
6249 ourPerpetual = 0; // the current mover did not always check
6250 if(MateTest(boards[m-1], PosFlags(m-1),
6251 EP_NONE, castlingRights[m-1]) != MT_CHECK)
6252 hisPerpetual = 0; // the opponent did not always check
6254 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6255 ourPerpetual, hisPerpetual);
6256 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6257 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6258 "Xboard adjudication: perpetual checking", GE_XBOARD );
6261 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6262 break; // (or we would have caught him before). Abort repetition-checking loop.
6263 // Now check for perpetual chases
6264 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6265 hisPerpetual = PerpetualChase(k, forwardMostMove);
6266 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6267 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6268 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6269 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6272 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6273 break; // Abort repetition-checking loop.
6275 // if neither of us is checking or chasing all the time, or both are, it is draw
6277 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6280 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6281 epStatus[forwardMostMove] = EP_REP_DRAW;
6285 /* Now we test for 50-move draws. Determine ply count */
6286 count = forwardMostMove;
6287 /* look for last irreversble move */
6288 while( epStatus[count] <= EP_NONE && count > backwardMostMove )
6290 /* if we hit starting position, add initial plies */
6291 if( count == backwardMostMove )
6292 count -= initialRulePlies;
6293 count = forwardMostMove - count;
6295 epStatus[forwardMostMove] = EP_RULE_DRAW;
6296 /* this is used to judge if draw claims are legal */
6297 if(appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6298 SendToProgram("force\n", cps->other); // suppress reply
6299 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6300 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6301 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6305 /* if draw offer is pending, treat it as a draw claim
6306 * when draw condition present, to allow engines a way to
6307 * claim draws before making their move to avoid a race
6308 * condition occurring after their move
6310 if( cps->other->offeredDraw || cps->offeredDraw ) {
6312 if(epStatus[forwardMostMove] == EP_RULE_DRAW)
6313 p = "Draw claim: 50-move rule";
6314 if(epStatus[forwardMostMove] == EP_REP_DRAW)
6315 p = "Draw claim: 3-fold repetition";
6316 if(epStatus[forwardMostMove] == EP_INSUF_DRAW)
6317 p = "Draw claim: insufficient mating material";
6319 SendToProgram("force\n", cps->other); // suppress reply
6320 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6321 GameEnds( GameIsDrawn, p, GE_XBOARD );
6322 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6328 if( appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6329 SendToProgram("force\n", cps->other); // suppress reply
6330 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6331 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6333 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6340 if (gameMode == TwoMachinesPlay) {
6341 /* [HGM] relaying draw offers moved to after reception of move */
6342 /* and interpreting offer as claim if it brings draw condition */
6343 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
6344 SendToProgram("draw\n", cps->other);
6346 if (cps->other->sendTime) {
6347 SendTimeRemaining(cps->other,
6348 cps->other->twoMachinesColor[0] == 'w');
6350 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
6351 if (firstMove && !bookHit) {
6353 if (cps->other->useColors) {
6354 SendToProgram(cps->other->twoMachinesColor, cps->other);
6356 SendToProgram("go\n", cps->other);
6358 cps->other->maybeThinking = TRUE;
6361 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6363 if (!pausing && appData.ringBellAfterMoves) {
6368 * Reenable menu items that were disabled while
6369 * machine was thinking
6371 if (gameMode != TwoMachinesPlay)
6372 SetUserThinkingEnables();
6374 // [HGM] book: after book hit opponent has received move and is now in force mode
6375 // force the book reply into it, and then fake that it outputted this move by jumping
6376 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
6378 static char bookMove[MSG_SIZ]; // a bit generous?
6380 strcpy(bookMove, "move ");
6381 strcat(bookMove, bookHit);
6384 programStats.nodes = programStats.depth = programStats.time =
6385 programStats.score = programStats.got_only_move = 0;
6386 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6388 if(cps->lastPing != cps->lastPong) {
6389 savedMessage = message; // args for deferred call
6391 ScheduleDelayedEvent(DeferredBookMove, 10);
6400 /* Set special modes for chess engines. Later something general
6401 * could be added here; for now there is just one kludge feature,
6402 * needed because Crafty 15.10 and earlier don't ignore SIGINT
6403 * when "xboard" is given as an interactive command.
6405 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
6406 cps->useSigint = FALSE;
6407 cps->useSigterm = FALSE;
6409 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
6410 ParseFeatures(message+8, cps);
6411 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
6414 /* [HGM] Allow engine to set up a position. Don't ask me why one would
6415 * want this, I was asked to put it in, and obliged.
6417 if (!strncmp(message, "setboard ", 9)) {
6418 Board initial_position; int i;
6420 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
6422 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
6423 DisplayError(_("Bad FEN received from engine"), 0);
6426 Reset(FALSE, FALSE);
6427 CopyBoard(boards[0], initial_position);
6428 initialRulePlies = FENrulePlies;
6429 epStatus[0] = FENepStatus;
6430 for( i=0; i<nrCastlingRights; i++ )
6431 castlingRights[0][i] = FENcastlingRights[i];
6432 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
6433 else gameMode = MachinePlaysBlack;
6434 DrawPosition(FALSE, boards[currentMove]);
6440 * Look for communication commands
6442 if (!strncmp(message, "telluser ", 9)) {
6443 DisplayNote(message + 9);
6446 if (!strncmp(message, "tellusererror ", 14)) {
6447 DisplayError(message + 14, 0);
6450 if (!strncmp(message, "tellopponent ", 13)) {
6451 if (appData.icsActive) {
6453 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
6457 DisplayNote(message + 13);
6461 if (!strncmp(message, "tellothers ", 11)) {
6462 if (appData.icsActive) {
6464 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
6470 if (!strncmp(message, "tellall ", 8)) {
6471 if (appData.icsActive) {
6473 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
6477 DisplayNote(message + 8);
6481 if (strncmp(message, "warning", 7) == 0) {
6482 /* Undocumented feature, use tellusererror in new code */
6483 DisplayError(message, 0);
6486 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
6487 strcpy(realname, cps->tidy);
6488 strcat(realname, " query");
6489 AskQuestion(realname, buf2, buf1, cps->pr);
6492 /* Commands from the engine directly to ICS. We don't allow these to be
6493 * sent until we are logged on. Crafty kibitzes have been known to
6494 * interfere with the login process.
6497 if (!strncmp(message, "tellics ", 8)) {
6498 SendToICS(message + 8);
6502 if (!strncmp(message, "tellicsnoalias ", 15)) {
6503 SendToICS(ics_prefix);
6504 SendToICS(message + 15);
6508 /* The following are for backward compatibility only */
6509 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
6510 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
6511 SendToICS(ics_prefix);
6517 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
6521 * If the move is illegal, cancel it and redraw the board.
6522 * Also deal with other error cases. Matching is rather loose
6523 * here to accommodate engines written before the spec.
6525 if (strncmp(message + 1, "llegal move", 11) == 0 ||
6526 strncmp(message, "Error", 5) == 0) {
6527 if (StrStr(message, "name") ||
6528 StrStr(message, "rating") || StrStr(message, "?") ||
6529 StrStr(message, "result") || StrStr(message, "board") ||
6530 StrStr(message, "bk") || StrStr(message, "computer") ||
6531 StrStr(message, "variant") || StrStr(message, "hint") ||
6532 StrStr(message, "random") || StrStr(message, "depth") ||
6533 StrStr(message, "accepted")) {
6536 if (StrStr(message, "protover")) {
6537 /* Program is responding to input, so it's apparently done
6538 initializing, and this error message indicates it is
6539 protocol version 1. So we don't need to wait any longer
6540 for it to initialize and send feature commands. */
6541 FeatureDone(cps, 1);
6542 cps->protocolVersion = 1;
6545 cps->maybeThinking = FALSE;
6547 if (StrStr(message, "draw")) {
6548 /* Program doesn't have "draw" command */
6549 cps->sendDrawOffers = 0;
6552 if (cps->sendTime != 1 &&
6553 (StrStr(message, "time") || StrStr(message, "otim"))) {
6554 /* Program apparently doesn't have "time" or "otim" command */
6558 if (StrStr(message, "analyze")) {
6559 cps->analysisSupport = FALSE;
6560 cps->analyzing = FALSE;
6562 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
6563 DisplayError(buf2, 0);
6566 if (StrStr(message, "(no matching move)st")) {
6567 /* Special kludge for GNU Chess 4 only */
6568 cps->stKludge = TRUE;
6569 SendTimeControl(cps, movesPerSession, timeControl,
6570 timeIncrement, appData.searchDepth,
6574 if (StrStr(message, "(no matching move)sd")) {
6575 /* Special kludge for GNU Chess 4 only */
6576 cps->sdKludge = TRUE;
6577 SendTimeControl(cps, movesPerSession, timeControl,
6578 timeIncrement, appData.searchDepth,
6582 if (!StrStr(message, "llegal")) {
6585 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6586 gameMode == IcsIdle) return;
6587 if (forwardMostMove <= backwardMostMove) return;
6588 if (pausing) PauseEvent();
6589 if(appData.forceIllegal) {
6590 // [HGM] illegal: machine refused move; force position after move into it
6591 SendToProgram("force\n", cps);
6592 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
6593 // we have a real problem now, as SendBoard will use the a2a3 kludge
6594 // when black is to move, while there might be nothing on a2 or black
6595 // might already have the move. So send the board as if white has the move.
6596 // But first we must change the stm of the engine, as it refused the last move
6597 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
6598 if(WhiteOnMove(forwardMostMove)) {
6599 SendToProgram("a7a6\n", cps); // for the engine black still had the move
6600 SendBoard(cps, forwardMostMove); // kludgeless board
6602 SendToProgram("a2a3\n", cps); // for the engine white still had the move
6603 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
6604 SendBoard(cps, forwardMostMove+1); // kludgeless board
6606 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
6607 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
6608 gameMode == TwoMachinesPlay)
6609 SendToProgram("go\n", cps);
6612 if (gameMode == PlayFromGameFile) {
6613 /* Stop reading this game file */
6614 gameMode = EditGame;
6617 currentMove = --forwardMostMove;
6618 DisplayMove(currentMove-1); /* before DisplayMoveError */
6620 DisplayBothClocks();
6621 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
6622 parseList[currentMove], cps->which);
6623 DisplayMoveError(buf1);
6624 DrawPosition(FALSE, boards[currentMove]);
6626 /* [HGM] illegal-move claim should forfeit game when Xboard */
6627 /* only passes fully legal moves */
6628 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
6629 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
6630 "False illegal-move claim", GE_XBOARD );
6634 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
6635 /* Program has a broken "time" command that
6636 outputs a string not ending in newline.
6642 * If chess program startup fails, exit with an error message.
6643 * Attempts to recover here are futile.
6645 if ((StrStr(message, "unknown host") != NULL)
6646 || (StrStr(message, "No remote directory") != NULL)
6647 || (StrStr(message, "not found") != NULL)
6648 || (StrStr(message, "No such file") != NULL)
6649 || (StrStr(message, "can't alloc") != NULL)
6650 || (StrStr(message, "Permission denied") != NULL)) {
6652 cps->maybeThinking = FALSE;
6653 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
6654 cps->which, cps->program, cps->host, message);
6655 RemoveInputSource(cps->isr);
6656 DisplayFatalError(buf1, 0, 1);
6661 * Look for hint output
6663 if (sscanf(message, "Hint: %s", buf1) == 1) {
6664 if (cps == &first && hintRequested) {
6665 hintRequested = FALSE;
6666 if (ParseOneMove(buf1, forwardMostMove, &moveType,
6667 &fromX, &fromY, &toX, &toY, &promoChar)) {
6668 (void) CoordsToAlgebraic(boards[forwardMostMove],
6669 PosFlags(forwardMostMove), EP_UNKNOWN,
6670 fromY, fromX, toY, toX, promoChar, buf1);
6671 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
6672 DisplayInformation(buf2);
6674 /* Hint move could not be parsed!? */
6675 snprintf(buf2, sizeof(buf2),
6676 _("Illegal hint move \"%s\"\nfrom %s chess program"),
6678 DisplayError(buf2, 0);
6681 strcpy(lastHint, buf1);
6687 * Ignore other messages if game is not in progress
6689 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6690 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
6693 * look for win, lose, draw, or draw offer
6695 if (strncmp(message, "1-0", 3) == 0) {
6696 char *p, *q, *r = "";
6697 p = strchr(message, '{');
6705 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
6707 } else if (strncmp(message, "0-1", 3) == 0) {
6708 char *p, *q, *r = "";
6709 p = strchr(message, '{');
6717 /* Kludge for Arasan 4.1 bug */
6718 if (strcmp(r, "Black resigns") == 0) {
6719 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
6722 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
6724 } else if (strncmp(message, "1/2", 3) == 0) {
6725 char *p, *q, *r = "";
6726 p = strchr(message, '{');
6735 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
6738 } else if (strncmp(message, "White resign", 12) == 0) {
6739 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6741 } else if (strncmp(message, "Black resign", 12) == 0) {
6742 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6744 } else if (strncmp(message, "White matches", 13) == 0 ||
6745 strncmp(message, "Black matches", 13) == 0 ) {
6746 /* [HGM] ignore GNUShogi noises */
6748 } else if (strncmp(message, "White", 5) == 0 &&
6749 message[5] != '(' &&
6750 StrStr(message, "Black") == NULL) {
6751 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6753 } else if (strncmp(message, "Black", 5) == 0 &&
6754 message[5] != '(') {
6755 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6757 } else if (strcmp(message, "resign") == 0 ||
6758 strcmp(message, "computer resigns") == 0) {
6760 case MachinePlaysBlack:
6761 case IcsPlayingBlack:
6762 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
6764 case MachinePlaysWhite:
6765 case IcsPlayingWhite:
6766 GameEnds(BlackWins, "White resigns", GE_ENGINE);
6768 case TwoMachinesPlay:
6769 if (cps->twoMachinesColor[0] == 'w')
6770 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6772 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6779 } else if (strncmp(message, "opponent mates", 14) == 0) {
6781 case MachinePlaysBlack:
6782 case IcsPlayingBlack:
6783 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6785 case MachinePlaysWhite:
6786 case IcsPlayingWhite:
6787 GameEnds(BlackWins, "Black mates", GE_ENGINE);
6789 case TwoMachinesPlay:
6790 if (cps->twoMachinesColor[0] == 'w')
6791 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6793 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6800 } else if (strncmp(message, "computer mates", 14) == 0) {
6802 case MachinePlaysBlack:
6803 case IcsPlayingBlack:
6804 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
6806 case MachinePlaysWhite:
6807 case IcsPlayingWhite:
6808 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6810 case TwoMachinesPlay:
6811 if (cps->twoMachinesColor[0] == 'w')
6812 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6814 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6821 } else if (strncmp(message, "checkmate", 9) == 0) {
6822 if (WhiteOnMove(forwardMostMove)) {
6823 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6825 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6828 } else if (strstr(message, "Draw") != NULL ||
6829 strstr(message, "game is a draw") != NULL) {
6830 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
6832 } else if (strstr(message, "offer") != NULL &&
6833 strstr(message, "draw") != NULL) {
6835 if (appData.zippyPlay && first.initDone) {
6836 /* Relay offer to ICS */
6837 SendToICS(ics_prefix);
6838 SendToICS("draw\n");
6841 cps->offeredDraw = 2; /* valid until this engine moves twice */
6842 if (gameMode == TwoMachinesPlay) {
6843 if (cps->other->offeredDraw) {
6844 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6845 /* [HGM] in two-machine mode we delay relaying draw offer */
6846 /* until after we also have move, to see if it is really claim */
6848 } else if (gameMode == MachinePlaysWhite ||
6849 gameMode == MachinePlaysBlack) {
6850 if (userOfferedDraw) {
6851 DisplayInformation(_("Machine accepts your draw offer"));
6852 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6854 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
6861 * Look for thinking output
6863 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
6864 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
6866 int plylev, mvleft, mvtot, curscore, time;
6867 char mvname[MOVE_LEN];
6871 int prefixHint = FALSE;
6872 mvname[0] = NULLCHAR;
6875 case MachinePlaysBlack:
6876 case IcsPlayingBlack:
6877 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6879 case MachinePlaysWhite:
6880 case IcsPlayingWhite:
6881 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6886 case IcsObserving: /* [DM] icsEngineAnalyze */
6887 if (!appData.icsEngineAnalyze) ignore = TRUE;
6889 case TwoMachinesPlay:
6890 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
6901 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
6902 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
6904 if (plyext != ' ' && plyext != '\t') {
6908 /* [AS] Negate score if machine is playing black and reporting absolute scores */
6909 if( cps->scoreIsAbsolute &&
6910 ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) )
6912 curscore = -curscore;
6916 programStats.depth = plylev;
6917 programStats.nodes = nodes;
6918 programStats.time = time;
6919 programStats.score = curscore;
6920 programStats.got_only_move = 0;
6922 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
6925 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
6926 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
6927 if(WhiteOnMove(forwardMostMove))
6928 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
6929 else blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
6932 /* Buffer overflow protection */
6933 if (buf1[0] != NULLCHAR) {
6934 if (strlen(buf1) >= sizeof(programStats.movelist)
6935 && appData.debugMode) {
6937 "PV is too long; using the first %d bytes.\n",
6938 sizeof(programStats.movelist) - 1);
6941 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
6943 sprintf(programStats.movelist, " no PV\n");
6946 if (programStats.seen_stat) {
6947 programStats.ok_to_send = 1;
6950 if (strchr(programStats.movelist, '(') != NULL) {
6951 programStats.line_is_book = 1;
6952 programStats.nr_moves = 0;
6953 programStats.moves_left = 0;
6955 programStats.line_is_book = 0;
6958 SendProgramStatsToFrontend( cps, &programStats );
6961 [AS] Protect the thinkOutput buffer from overflow... this
6962 is only useful if buf1 hasn't overflowed first!
6964 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
6966 (gameMode == TwoMachinesPlay ?
6967 ToUpper(cps->twoMachinesColor[0]) : ' '),
6968 ((double) curscore) / 100.0,
6969 prefixHint ? lastHint : "",
6970 prefixHint ? " " : "" );
6972 if( buf1[0] != NULLCHAR ) {
6973 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
6975 if( strlen(buf1) > max_len ) {
6976 if( appData.debugMode) {
6977 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
6979 buf1[max_len+1] = '\0';
6982 strcat( thinkOutput, buf1 );
6985 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
6986 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
6987 DisplayMove(currentMove - 1);
6991 } else if ((p=StrStr(message, "(only move)")) != NULL) {
6992 /* crafty (9.25+) says "(only move) <move>"
6993 * if there is only 1 legal move
6995 sscanf(p, "(only move) %s", buf1);
6996 sprintf(thinkOutput, "%s (only move)", buf1);
6997 sprintf(programStats.movelist, "%s (only move)", buf1);
6998 programStats.depth = 1;
6999 programStats.nr_moves = 1;
7000 programStats.moves_left = 1;
7001 programStats.nodes = 1;
7002 programStats.time = 1;
7003 programStats.got_only_move = 1;
7005 /* Not really, but we also use this member to
7006 mean "line isn't going to change" (Crafty
7007 isn't searching, so stats won't change) */
7008 programStats.line_is_book = 1;
7010 SendProgramStatsToFrontend( cps, &programStats );
7012 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7013 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7014 DisplayMove(currentMove - 1);
7017 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7018 &time, &nodes, &plylev, &mvleft,
7019 &mvtot, mvname) >= 5) {
7020 /* The stat01: line is from Crafty (9.29+) in response
7021 to the "." command */
7022 programStats.seen_stat = 1;
7023 cps->maybeThinking = TRUE;
7025 if (programStats.got_only_move || !appData.periodicUpdates)
7028 programStats.depth = plylev;
7029 programStats.time = time;
7030 programStats.nodes = nodes;
7031 programStats.moves_left = mvleft;
7032 programStats.nr_moves = mvtot;
7033 strcpy(programStats.move_name, mvname);
7034 programStats.ok_to_send = 1;
7035 programStats.movelist[0] = '\0';
7037 SendProgramStatsToFrontend( cps, &programStats );
7041 } else if (strncmp(message,"++",2) == 0) {
7042 /* Crafty 9.29+ outputs this */
7043 programStats.got_fail = 2;
7046 } else if (strncmp(message,"--",2) == 0) {
7047 /* Crafty 9.29+ outputs this */
7048 programStats.got_fail = 1;
7051 } else if (thinkOutput[0] != NULLCHAR &&
7052 strncmp(message, " ", 4) == 0) {
7053 unsigned message_len;
7056 while (*p && *p == ' ') p++;
7058 message_len = strlen( p );
7060 /* [AS] Avoid buffer overflow */
7061 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7062 strcat(thinkOutput, " ");
7063 strcat(thinkOutput, p);
7066 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7067 strcat(programStats.movelist, " ");
7068 strcat(programStats.movelist, p);
7071 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7072 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7073 DisplayMove(currentMove - 1);
7081 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7082 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7084 ChessProgramStats cpstats;
7086 if (plyext != ' ' && plyext != '\t') {
7090 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7091 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7092 curscore = -curscore;
7095 cpstats.depth = plylev;
7096 cpstats.nodes = nodes;
7097 cpstats.time = time;
7098 cpstats.score = curscore;
7099 cpstats.got_only_move = 0;
7100 cpstats.movelist[0] = '\0';
7102 if (buf1[0] != NULLCHAR) {
7103 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7106 cpstats.ok_to_send = 0;
7107 cpstats.line_is_book = 0;
7108 cpstats.nr_moves = 0;
7109 cpstats.moves_left = 0;
7111 SendProgramStatsToFrontend( cps, &cpstats );
7118 /* Parse a game score from the character string "game", and
7119 record it as the history of the current game. The game
7120 score is NOT assumed to start from the standard position.
7121 The display is not updated in any way.
7124 ParseGameHistory(game)
7128 int fromX, fromY, toX, toY, boardIndex;
7133 if (appData.debugMode)
7134 fprintf(debugFP, "Parsing game history: %s\n", game);
7136 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7137 gameInfo.site = StrSave(appData.icsHost);
7138 gameInfo.date = PGNDate();
7139 gameInfo.round = StrSave("-");
7141 /* Parse out names of players */
7142 while (*game == ' ') game++;
7144 while (*game != ' ') *p++ = *game++;
7146 gameInfo.white = StrSave(buf);
7147 while (*game == ' ') game++;
7149 while (*game != ' ' && *game != '\n') *p++ = *game++;
7151 gameInfo.black = StrSave(buf);
7154 boardIndex = blackPlaysFirst ? 1 : 0;
7157 yyboardindex = boardIndex;
7158 moveType = (ChessMove) yylex();
7160 case IllegalMove: /* maybe suicide chess, etc. */
7161 if (appData.debugMode) {
7162 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7163 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7164 setbuf(debugFP, NULL);
7166 case WhitePromotionChancellor:
7167 case BlackPromotionChancellor:
7168 case WhitePromotionArchbishop:
7169 case BlackPromotionArchbishop:
7170 case WhitePromotionQueen:
7171 case BlackPromotionQueen:
7172 case WhitePromotionRook:
7173 case BlackPromotionRook:
7174 case WhitePromotionBishop:
7175 case BlackPromotionBishop:
7176 case WhitePromotionKnight:
7177 case BlackPromotionKnight:
7178 case WhitePromotionKing:
7179 case BlackPromotionKing:
7181 case WhiteCapturesEnPassant:
7182 case BlackCapturesEnPassant:
7183 case WhiteKingSideCastle:
7184 case WhiteQueenSideCastle:
7185 case BlackKingSideCastle:
7186 case BlackQueenSideCastle:
7187 case WhiteKingSideCastleWild:
7188 case WhiteQueenSideCastleWild:
7189 case BlackKingSideCastleWild:
7190 case BlackQueenSideCastleWild:
7192 case WhiteHSideCastleFR:
7193 case WhiteASideCastleFR:
7194 case BlackHSideCastleFR:
7195 case BlackASideCastleFR:
7197 fromX = currentMoveString[0] - AAA;
7198 fromY = currentMoveString[1] - ONE;
7199 toX = currentMoveString[2] - AAA;
7200 toY = currentMoveString[3] - ONE;
7201 promoChar = currentMoveString[4];
7205 fromX = moveType == WhiteDrop ?
7206 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7207 (int) CharToPiece(ToLower(currentMoveString[0]));
7209 toX = currentMoveString[2] - AAA;
7210 toY = currentMoveString[3] - ONE;
7211 promoChar = NULLCHAR;
7215 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7216 if (appData.debugMode) {
7217 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7218 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7219 setbuf(debugFP, NULL);
7221 DisplayError(buf, 0);
7223 case ImpossibleMove:
7225 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7226 if (appData.debugMode) {
7227 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7228 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7229 setbuf(debugFP, NULL);
7231 DisplayError(buf, 0);
7233 case (ChessMove) 0: /* end of file */
7234 if (boardIndex < backwardMostMove) {
7235 /* Oops, gap. How did that happen? */
7236 DisplayError(_("Gap in move list"), 0);
7239 backwardMostMove = blackPlaysFirst ? 1 : 0;
7240 if (boardIndex > forwardMostMove) {
7241 forwardMostMove = boardIndex;
7245 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7246 strcat(parseList[boardIndex-1], " ");
7247 strcat(parseList[boardIndex-1], yy_text);
7259 case GameUnfinished:
7260 if (gameMode == IcsExamining) {
7261 if (boardIndex < backwardMostMove) {
7262 /* Oops, gap. How did that happen? */
7265 backwardMostMove = blackPlaysFirst ? 1 : 0;
7268 gameInfo.result = moveType;
7269 p = strchr(yy_text, '{');
7270 if (p == NULL) p = strchr(yy_text, '(');
7273 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7275 q = strchr(p, *p == '{' ? '}' : ')');
7276 if (q != NULL) *q = NULLCHAR;
7279 gameInfo.resultDetails = StrSave(p);
7282 if (boardIndex >= forwardMostMove &&
7283 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7284 backwardMostMove = blackPlaysFirst ? 1 : 0;
7287 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7288 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,
7289 parseList[boardIndex]);
7290 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7291 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[boardIndex+1][i] = castlingRights[boardIndex][i];}
7292 /* currentMoveString is set as a side-effect of yylex */
7293 strcpy(moveList[boardIndex], currentMoveString);
7294 strcat(moveList[boardIndex], "\n");
7296 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex],
7297 castlingRights[boardIndex], &epStatus[boardIndex]);
7298 switch (MateTest(boards[boardIndex], PosFlags(boardIndex),
7299 EP_UNKNOWN, castlingRights[boardIndex]) ) {
7305 if(gameInfo.variant != VariantShogi)
7306 strcat(parseList[boardIndex - 1], "+");
7310 strcat(parseList[boardIndex - 1], "#");
7317 /* Apply a move to the given board */
7319 ApplyMove(fromX, fromY, toX, toY, promoChar, board, castling, ep)
7320 int fromX, fromY, toX, toY;
7326 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7328 /* [HGM] compute & store e.p. status and castling rights for new position */
7329 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7332 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7336 if( board[toY][toX] != EmptySquare )
7339 if( board[fromY][fromX] == WhitePawn ) {
7340 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7343 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7344 gameInfo.variant != VariantBerolina || toX < fromX)
7345 *ep = toX | berolina;
7346 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7347 gameInfo.variant != VariantBerolina || toX > fromX)
7351 if( board[fromY][fromX] == BlackPawn ) {
7352 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7354 if( toY-fromY== -2) {
7355 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7356 gameInfo.variant != VariantBerolina || toX < fromX)
7357 *ep = toX | berolina;
7358 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7359 gameInfo.variant != VariantBerolina || toX > fromX)
7364 for(i=0; i<nrCastlingRights; i++) {
7365 if(castling[i] == fromX && castlingRank[i] == fromY ||
7366 castling[i] == toX && castlingRank[i] == toY
7367 ) castling[i] = -1; // revoke for moved or captured piece
7372 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7373 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier)
7374 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7376 if (fromX == toX && fromY == toY) return;
7378 if (fromY == DROP_RANK) {
7380 piece = board[toY][toX] = (ChessSquare) fromX;
7382 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7383 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7384 if(gameInfo.variant == VariantKnightmate)
7385 king += (int) WhiteUnicorn - (int) WhiteKing;
7387 /* Code added by Tord: */
7388 /* FRC castling assumed when king captures friendly rook. */
7389 if (board[fromY][fromX] == WhiteKing &&
7390 board[toY][toX] == WhiteRook) {
7391 board[fromY][fromX] = EmptySquare;
7392 board[toY][toX] = EmptySquare;
7394 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
7396 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
7398 } else if (board[fromY][fromX] == BlackKing &&
7399 board[toY][toX] == BlackRook) {
7400 board[fromY][fromX] = EmptySquare;
7401 board[toY][toX] = EmptySquare;
7403 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
7405 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
7407 /* End of code added by Tord */
7409 } else if (board[fromY][fromX] == king
7410 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7411 && toY == fromY && toX > fromX+1) {
7412 board[fromY][fromX] = EmptySquare;
7413 board[toY][toX] = king;
7414 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7415 board[fromY][BOARD_RGHT-1] = EmptySquare;
7416 } else if (board[fromY][fromX] == king
7417 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7418 && toY == fromY && toX < fromX-1) {
7419 board[fromY][fromX] = EmptySquare;
7420 board[toY][toX] = king;
7421 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7422 board[fromY][BOARD_LEFT] = EmptySquare;
7423 } else if (board[fromY][fromX] == WhitePawn
7424 && toY == BOARD_HEIGHT-1
7425 && gameInfo.variant != VariantXiangqi
7427 /* white pawn promotion */
7428 board[toY][toX] = CharToPiece(ToUpper(promoChar));
7429 if (board[toY][toX] == EmptySquare) {
7430 board[toY][toX] = WhiteQueen;
7432 if(gameInfo.variant==VariantBughouse ||
7433 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7434 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7435 board[fromY][fromX] = EmptySquare;
7436 } else if ((fromY == BOARD_HEIGHT-4)
7438 && gameInfo.variant != VariantXiangqi
7439 && gameInfo.variant != VariantBerolina
7440 && (board[fromY][fromX] == WhitePawn)
7441 && (board[toY][toX] == EmptySquare)) {
7442 board[fromY][fromX] = EmptySquare;
7443 board[toY][toX] = WhitePawn;
7444 captured = board[toY - 1][toX];
7445 board[toY - 1][toX] = EmptySquare;
7446 } else if ((fromY == BOARD_HEIGHT-4)
7448 && gameInfo.variant == VariantBerolina
7449 && (board[fromY][fromX] == WhitePawn)
7450 && (board[toY][toX] == EmptySquare)) {
7451 board[fromY][fromX] = EmptySquare;
7452 board[toY][toX] = WhitePawn;
7453 if(oldEP & EP_BEROLIN_A) {
7454 captured = board[fromY][fromX-1];
7455 board[fromY][fromX-1] = EmptySquare;
7456 }else{ captured = board[fromY][fromX+1];
7457 board[fromY][fromX+1] = EmptySquare;
7459 } else if (board[fromY][fromX] == king
7460 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7461 && toY == fromY && toX > fromX+1) {
7462 board[fromY][fromX] = EmptySquare;
7463 board[toY][toX] = king;
7464 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7465 board[fromY][BOARD_RGHT-1] = EmptySquare;
7466 } else if (board[fromY][fromX] == king
7467 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7468 && toY == fromY && toX < fromX-1) {
7469 board[fromY][fromX] = EmptySquare;
7470 board[toY][toX] = king;
7471 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7472 board[fromY][BOARD_LEFT] = EmptySquare;
7473 } else if (fromY == 7 && fromX == 3
7474 && board[fromY][fromX] == BlackKing
7475 && toY == 7 && toX == 5) {
7476 board[fromY][fromX] = EmptySquare;
7477 board[toY][toX] = BlackKing;
7478 board[fromY][7] = EmptySquare;
7479 board[toY][4] = BlackRook;
7480 } else if (fromY == 7 && fromX == 3
7481 && board[fromY][fromX] == BlackKing
7482 && toY == 7 && toX == 1) {
7483 board[fromY][fromX] = EmptySquare;
7484 board[toY][toX] = BlackKing;
7485 board[fromY][0] = EmptySquare;
7486 board[toY][2] = BlackRook;
7487 } else if (board[fromY][fromX] == BlackPawn
7489 && gameInfo.variant != VariantXiangqi
7491 /* black pawn promotion */
7492 board[0][toX] = CharToPiece(ToLower(promoChar));
7493 if (board[0][toX] == EmptySquare) {
7494 board[0][toX] = BlackQueen;
7496 if(gameInfo.variant==VariantBughouse ||
7497 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7498 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7499 board[fromY][fromX] = EmptySquare;
7500 } else if ((fromY == 3)
7502 && gameInfo.variant != VariantXiangqi
7503 && gameInfo.variant != VariantBerolina
7504 && (board[fromY][fromX] == BlackPawn)
7505 && (board[toY][toX] == EmptySquare)) {
7506 board[fromY][fromX] = EmptySquare;
7507 board[toY][toX] = BlackPawn;
7508 captured = board[toY + 1][toX];
7509 board[toY + 1][toX] = EmptySquare;
7510 } else if ((fromY == 3)
7512 && gameInfo.variant == VariantBerolina
7513 && (board[fromY][fromX] == BlackPawn)
7514 && (board[toY][toX] == EmptySquare)) {
7515 board[fromY][fromX] = EmptySquare;
7516 board[toY][toX] = BlackPawn;
7517 if(oldEP & EP_BEROLIN_A) {
7518 captured = board[fromY][fromX-1];
7519 board[fromY][fromX-1] = EmptySquare;
7520 }else{ captured = board[fromY][fromX+1];
7521 board[fromY][fromX+1] = EmptySquare;
7524 board[toY][toX] = board[fromY][fromX];
7525 board[fromY][fromX] = EmptySquare;
7528 /* [HGM] now we promote for Shogi, if needed */
7529 if(gameInfo.variant == VariantShogi && promoChar == 'q')
7530 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7533 if (gameInfo.holdingsWidth != 0) {
7535 /* !!A lot more code needs to be written to support holdings */
7536 /* [HGM] OK, so I have written it. Holdings are stored in the */
7537 /* penultimate board files, so they are automaticlly stored */
7538 /* in the game history. */
7539 if (fromY == DROP_RANK) {
7540 /* Delete from holdings, by decreasing count */
7541 /* and erasing image if necessary */
7543 if(p < (int) BlackPawn) { /* white drop */
7544 p -= (int)WhitePawn;
7545 p = PieceToNumber((ChessSquare)p);
7546 if(p >= gameInfo.holdingsSize) p = 0;
7547 if(--board[p][BOARD_WIDTH-2] <= 0)
7548 board[p][BOARD_WIDTH-1] = EmptySquare;
7549 if((int)board[p][BOARD_WIDTH-2] < 0)
7550 board[p][BOARD_WIDTH-2] = 0;
7551 } else { /* black drop */
7552 p -= (int)BlackPawn;
7553 p = PieceToNumber((ChessSquare)p);
7554 if(p >= gameInfo.holdingsSize) p = 0;
7555 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
7556 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
7557 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
7558 board[BOARD_HEIGHT-1-p][1] = 0;
7561 if (captured != EmptySquare && gameInfo.holdingsSize > 0
7562 && gameInfo.variant != VariantBughouse ) {
7563 /* [HGM] holdings: Add to holdings, if holdings exist */
7564 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7565 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
7566 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
7569 if (p >= (int) BlackPawn) {
7570 p -= (int)BlackPawn;
7571 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7572 /* in Shogi restore piece to its original first */
7573 captured = (ChessSquare) (DEMOTED captured);
7576 p = PieceToNumber((ChessSquare)p);
7577 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
7578 board[p][BOARD_WIDTH-2]++;
7579 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
7581 p -= (int)WhitePawn;
7582 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7583 captured = (ChessSquare) (DEMOTED captured);
7586 p = PieceToNumber((ChessSquare)p);
7587 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
7588 board[BOARD_HEIGHT-1-p][1]++;
7589 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
7592 } else if (gameInfo.variant == VariantAtomic) {
7593 if (captured != EmptySquare) {
7595 for (y = toY-1; y <= toY+1; y++) {
7596 for (x = toX-1; x <= toX+1; x++) {
7597 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
7598 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
7599 board[y][x] = EmptySquare;
7603 board[toY][toX] = EmptySquare;
7606 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
7607 /* [HGM] Shogi promotions */
7608 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7611 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7612 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
7613 // [HGM] superchess: take promotion piece out of holdings
7614 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7615 if((int)piece < (int)BlackPawn) { // determine stm from piece color
7616 if(!--board[k][BOARD_WIDTH-2])
7617 board[k][BOARD_WIDTH-1] = EmptySquare;
7619 if(!--board[BOARD_HEIGHT-1-k][1])
7620 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
7626 /* Updates forwardMostMove */
7628 MakeMove(fromX, fromY, toX, toY, promoChar)
7629 int fromX, fromY, toX, toY;
7632 // forwardMostMove++; // [HGM] bare: moved downstream
7634 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
7635 int timeLeft; static int lastLoadFlag=0; int king, piece;
7636 piece = boards[forwardMostMove][fromY][fromX];
7637 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
7638 if(gameInfo.variant == VariantKnightmate)
7639 king += (int) WhiteUnicorn - (int) WhiteKing;
7640 if(forwardMostMove == 0) {
7642 fprintf(serverMoves, "%s;", second.tidy);
7643 fprintf(serverMoves, "%s;", first.tidy);
7644 if(!blackPlaysFirst)
7645 fprintf(serverMoves, "%s;", second.tidy);
7646 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
7647 lastLoadFlag = loadFlag;
7649 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
7650 // print castling suffix
7651 if( toY == fromY && piece == king ) {
7653 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
7655 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
7658 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
7659 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
7660 boards[forwardMostMove][toY][toX] == EmptySquare
7662 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
7664 if(promoChar != NULLCHAR)
7665 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
7667 fprintf(serverMoves, "/%d/%d",
7668 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
7669 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
7670 else timeLeft = blackTimeRemaining/1000;
7671 fprintf(serverMoves, "/%d", timeLeft);
7673 fflush(serverMoves);
7676 if (forwardMostMove+1 >= MAX_MOVES) {
7677 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
7681 if (commentList[forwardMostMove+1] != NULL) {
7682 free(commentList[forwardMostMove+1]);
7683 commentList[forwardMostMove+1] = NULL;
7685 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7686 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[forwardMostMove+1][i] = castlingRights[forwardMostMove][i];}
7687 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1],
7688 castlingRights[forwardMostMove+1], &epStatus[forwardMostMove+1]);
7689 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
7690 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
7691 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7692 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7693 gameInfo.result = GameUnfinished;
7694 if (gameInfo.resultDetails != NULL) {
7695 free(gameInfo.resultDetails);
7696 gameInfo.resultDetails = NULL;
7698 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
7699 moveList[forwardMostMove - 1]);
7700 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
7701 PosFlags(forwardMostMove - 1), EP_UNKNOWN,
7702 fromY, fromX, toY, toX, promoChar,
7703 parseList[forwardMostMove - 1]);
7704 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7705 epStatus[forwardMostMove], /* [HGM] use true e.p. */
7706 castlingRights[forwardMostMove]) ) {
7712 if(gameInfo.variant != VariantShogi)
7713 strcat(parseList[forwardMostMove - 1], "+");
7717 strcat(parseList[forwardMostMove - 1], "#");
7720 if (appData.debugMode) {
7721 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
7726 /* Updates currentMove if not pausing */
7728 ShowMove(fromX, fromY, toX, toY)
7730 int instant = (gameMode == PlayFromGameFile) ?
7731 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
7732 if(appData.noGUI) return;
7733 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
7735 if (forwardMostMove == currentMove + 1) {
7736 AnimateMove(boards[forwardMostMove - 1],
7737 fromX, fromY, toX, toY);
7739 if (appData.highlightLastMove) {
7740 SetHighlights(fromX, fromY, toX, toY);
7743 currentMove = forwardMostMove;
7746 if (instant) return;
7748 DisplayMove(currentMove - 1);
7749 DrawPosition(FALSE, boards[currentMove]);
7750 DisplayBothClocks();
7751 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
7754 void SendEgtPath(ChessProgramState *cps)
7755 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
7756 char buf[MSG_SIZ], name[MSG_SIZ], *p;
7758 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
7761 char c, *q = name+1, *r, *s;
7763 name[0] = ','; // extract next format name from feature and copy with prefixed ','
7764 while(*p && *p != ',') *q++ = *p++;
7766 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
7767 strcmp(name, ",nalimov:") == 0 ) {
7768 // take nalimov path from the menu-changeable option first, if it is defined
7769 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
7770 SendToProgram(buf,cps); // send egtbpath command for nalimov
7772 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
7773 (s = StrStr(appData.egtFormats, name)) != NULL) {
7774 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
7775 s = r = StrStr(s, ":") + 1; // beginning of path info
7776 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
7777 c = *r; *r = 0; // temporarily null-terminate path info
7778 *--q = 0; // strip of trailig ':' from name
7779 sprintf(buf, "egtpath %s %s\n", name+1, s);
7781 SendToProgram(buf,cps); // send egtbpath command for this format
7783 if(*p == ',') p++; // read away comma to position for next format name
7788 InitChessProgram(cps, setup)
7789 ChessProgramState *cps;
7790 int setup; /* [HGM] needed to setup FRC opening position */
7792 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
7793 if (appData.noChessProgram) return;
7794 hintRequested = FALSE;
7795 bookRequested = FALSE;
7797 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
7798 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
7799 if(cps->memSize) { /* [HGM] memory */
7800 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
7801 SendToProgram(buf, cps);
7803 SendEgtPath(cps); /* [HGM] EGT */
7804 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
7805 sprintf(buf, "cores %d\n", appData.smpCores);
7806 SendToProgram(buf, cps);
7809 SendToProgram(cps->initString, cps);
7810 if (gameInfo.variant != VariantNormal &&
7811 gameInfo.variant != VariantLoadable
7812 /* [HGM] also send variant if board size non-standard */
7813 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
7815 char *v = VariantName(gameInfo.variant);
7816 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
7817 /* [HGM] in protocol 1 we have to assume all variants valid */
7818 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
7819 DisplayFatalError(buf, 0, 1);
7823 /* [HGM] make prefix for non-standard board size. Awkward testing... */
7824 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7825 if( gameInfo.variant == VariantXiangqi )
7826 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
7827 if( gameInfo.variant == VariantShogi )
7828 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
7829 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
7830 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
7831 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
7832 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
7833 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7834 if( gameInfo.variant == VariantCourier )
7835 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7836 if( gameInfo.variant == VariantSuper )
7837 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7838 if( gameInfo.variant == VariantGreat )
7839 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7842 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
7843 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
7844 /* [HGM] varsize: try first if this defiant size variant is specifically known */
7845 if(StrStr(cps->variants, b) == NULL) {
7846 // specific sized variant not known, check if general sizing allowed
7847 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
7848 if(StrStr(cps->variants, "boardsize") == NULL) {
7849 sprintf(buf, "Board size %dx%d+%d not supported by %s",
7850 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
7851 DisplayFatalError(buf, 0, 1);
7854 /* [HGM] here we really should compare with the maximum supported board size */
7857 } else sprintf(b, "%s", VariantName(gameInfo.variant));
7858 sprintf(buf, "variant %s\n", b);
7859 SendToProgram(buf, cps);
7861 currentlyInitializedVariant = gameInfo.variant;
7863 /* [HGM] send opening position in FRC to first engine */
7865 SendToProgram("force\n", cps);
7867 /* engine is now in force mode! Set flag to wake it up after first move. */
7868 setboardSpoiledMachineBlack = 1;
7872 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
7873 SendToProgram(buf, cps);
7875 cps->maybeThinking = FALSE;
7876 cps->offeredDraw = 0;
7877 if (!appData.icsActive) {
7878 SendTimeControl(cps, movesPerSession, timeControl,
7879 timeIncrement, appData.searchDepth,
7882 if (appData.showThinking
7883 // [HGM] thinking: four options require thinking output to be sent
7884 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7886 SendToProgram("post\n", cps);
7888 SendToProgram("hard\n", cps);
7889 if (!appData.ponderNextMove) {
7890 /* Warning: "easy" is a toggle in GNU Chess, so don't send
7891 it without being sure what state we are in first. "hard"
7892 is not a toggle, so that one is OK.
7894 SendToProgram("easy\n", cps);
7897 sprintf(buf, "ping %d\n", ++cps->lastPing);
7898 SendToProgram(buf, cps);
7900 cps->initDone = TRUE;
7905 StartChessProgram(cps)
7906 ChessProgramState *cps;
7911 if (appData.noChessProgram) return;
7912 cps->initDone = FALSE;
7914 if (strcmp(cps->host, "localhost") == 0) {
7915 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
7916 } else if (*appData.remoteShell == NULLCHAR) {
7917 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
7919 if (*appData.remoteUser == NULLCHAR) {
7920 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
7923 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
7924 cps->host, appData.remoteUser, cps->program);
7926 err = StartChildProcess(buf, "", &cps->pr);
7930 sprintf(buf, _("Startup failure on '%s'"), cps->program);
7931 DisplayFatalError(buf, err, 1);
7937 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
7938 if (cps->protocolVersion > 1) {
7939 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
7940 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
7941 cps->comboCnt = 0; // and values of combo boxes
7942 SendToProgram(buf, cps);
7944 SendToProgram("xboard\n", cps);
7950 TwoMachinesEventIfReady P((void))
7952 if (first.lastPing != first.lastPong) {
7953 DisplayMessage("", _("Waiting for first chess program"));
7954 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7957 if (second.lastPing != second.lastPong) {
7958 DisplayMessage("", _("Waiting for second chess program"));
7959 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7967 NextMatchGame P((void))
7969 int index; /* [HGM] autoinc: step lod index during match */
7971 if (*appData.loadGameFile != NULLCHAR) {
7972 index = appData.loadGameIndex;
7973 if(index < 0) { // [HGM] autoinc
7974 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
7975 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
7977 LoadGameFromFile(appData.loadGameFile,
7979 appData.loadGameFile, FALSE);
7980 } else if (*appData.loadPositionFile != NULLCHAR) {
7981 index = appData.loadPositionIndex;
7982 if(index < 0) { // [HGM] autoinc
7983 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
7984 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
7986 LoadPositionFromFile(appData.loadPositionFile,
7988 appData.loadPositionFile);
7990 TwoMachinesEventIfReady();
7993 void UserAdjudicationEvent( int result )
7995 ChessMove gameResult = GameIsDrawn;
7998 gameResult = WhiteWins;
8000 else if( result < 0 ) {
8001 gameResult = BlackWins;
8004 if( gameMode == TwoMachinesPlay ) {
8005 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8010 // [HGM] save: calculate checksum of game to make games easily identifiable
8011 int StringCheckSum(char *s)
8014 if(s==NULL) return 0;
8015 while(*s) i = i*259 + *s++;
8022 for(i=backwardMostMove; i<forwardMostMove; i++) {
8023 sum += pvInfoList[i].depth;
8024 sum += StringCheckSum(parseList[i]);
8025 sum += StringCheckSum(commentList[i]);
8028 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8029 return sum + StringCheckSum(commentList[i]);
8030 } // end of save patch
8033 GameEnds(result, resultDetails, whosays)
8035 char *resultDetails;
8038 GameMode nextGameMode;
8042 if(endingGame) return; /* [HGM] crash: forbid recursion */
8045 if (appData.debugMode) {
8046 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8047 result, resultDetails ? resultDetails : "(null)", whosays);
8050 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8051 /* If we are playing on ICS, the server decides when the
8052 game is over, but the engine can offer to draw, claim
8056 if (appData.zippyPlay && first.initDone) {
8057 if (result == GameIsDrawn) {
8058 /* In case draw still needs to be claimed */
8059 SendToICS(ics_prefix);
8060 SendToICS("draw\n");
8061 } else if (StrCaseStr(resultDetails, "resign")) {
8062 SendToICS(ics_prefix);
8063 SendToICS("resign\n");
8067 endingGame = 0; /* [HGM] crash */
8071 /* If we're loading the game from a file, stop */
8072 if (whosays == GE_FILE) {
8073 (void) StopLoadGameTimer();
8077 /* Cancel draw offers */
8078 first.offeredDraw = second.offeredDraw = 0;
8080 /* If this is an ICS game, only ICS can really say it's done;
8081 if not, anyone can. */
8082 isIcsGame = (gameMode == IcsPlayingWhite ||
8083 gameMode == IcsPlayingBlack ||
8084 gameMode == IcsObserving ||
8085 gameMode == IcsExamining);
8087 if (!isIcsGame || whosays == GE_ICS) {
8088 /* OK -- not an ICS game, or ICS said it was done */
8090 if (!isIcsGame && !appData.noChessProgram)
8091 SetUserThinkingEnables();
8093 /* [HGM] if a machine claims the game end we verify this claim */
8094 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8095 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8097 ChessMove trueResult = (ChessMove) -1;
8099 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8100 first.twoMachinesColor[0] :
8101 second.twoMachinesColor[0] ;
8103 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8104 if(epStatus[forwardMostMove] == EP_CHECKMATE) {
8105 /* [HGM] verify: engine mate claims accepted if they were flagged */
8106 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8108 if(epStatus[forwardMostMove] == EP_WINS) { // added code for games where being mated is a win
8109 /* [HGM] verify: engine mate claims accepted if they were flagged */
8110 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8112 if(epStatus[forwardMostMove] == EP_STALEMATE) { // only used to indicate draws now
8113 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8116 // now verify win claims, but not in drop games, as we don't understand those yet
8117 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8118 || gameInfo.variant == VariantGreat) &&
8119 (result == WhiteWins && claimer == 'w' ||
8120 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8121 if (appData.debugMode) {
8122 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8123 result, epStatus[forwardMostMove], forwardMostMove);
8125 if(result != trueResult) {
8126 sprintf(buf, "False win claim: '%s'", resultDetails);
8127 result = claimer == 'w' ? BlackWins : WhiteWins;
8128 resultDetails = buf;
8131 if( result == GameIsDrawn && epStatus[forwardMostMove] > EP_DRAWS
8132 && (forwardMostMove <= backwardMostMove ||
8133 epStatus[forwardMostMove-1] > EP_DRAWS ||
8134 (claimer=='b')==(forwardMostMove&1))
8136 /* [HGM] verify: draws that were not flagged are false claims */
8137 sprintf(buf, "False draw claim: '%s'", resultDetails);
8138 result = claimer == 'w' ? BlackWins : WhiteWins;
8139 resultDetails = buf;
8141 /* (Claiming a loss is accepted no questions asked!) */
8143 /* [HGM] bare: don't allow bare King to win */
8144 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8145 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8146 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8147 && result != GameIsDrawn)
8148 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8149 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8150 int p = (int)boards[forwardMostMove][i][j] - color;
8151 if(p >= 0 && p <= (int)WhiteKing) k++;
8153 if (appData.debugMode) {
8154 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8155 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8158 result = GameIsDrawn;
8159 sprintf(buf, "%s but bare king", resultDetails);
8160 resultDetails = buf;
8166 if(serverMoves != NULL && !loadFlag) { char c = '=';
8167 if(result==WhiteWins) c = '+';
8168 if(result==BlackWins) c = '-';
8169 if(resultDetails != NULL)
8170 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8172 if (resultDetails != NULL) {
8173 gameInfo.result = result;
8174 gameInfo.resultDetails = StrSave(resultDetails);
8176 /* display last move only if game was not loaded from file */
8177 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8178 DisplayMove(currentMove - 1);
8180 if (forwardMostMove != 0) {
8181 if (gameMode != PlayFromGameFile && gameMode != EditGame
8182 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8184 if (*appData.saveGameFile != NULLCHAR) {
8185 SaveGameToFile(appData.saveGameFile, TRUE);
8186 } else if (appData.autoSaveGames) {
8189 if (*appData.savePositionFile != NULLCHAR) {
8190 SavePositionToFile(appData.savePositionFile);
8195 /* Tell program how game ended in case it is learning */
8196 /* [HGM] Moved this to after saving the PGN, just in case */
8197 /* engine died and we got here through time loss. In that */
8198 /* case we will get a fatal error writing the pipe, which */
8199 /* would otherwise lose us the PGN. */
8200 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8201 /* output during GameEnds should never be fatal anymore */
8202 if (gameMode == MachinePlaysWhite ||
8203 gameMode == MachinePlaysBlack ||
8204 gameMode == TwoMachinesPlay ||
8205 gameMode == IcsPlayingWhite ||
8206 gameMode == IcsPlayingBlack ||
8207 gameMode == BeginningOfGame) {
8209 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8211 if (first.pr != NoProc) {
8212 SendToProgram(buf, &first);
8214 if (second.pr != NoProc &&
8215 gameMode == TwoMachinesPlay) {
8216 SendToProgram(buf, &second);
8221 if (appData.icsActive) {
8222 if (appData.quietPlay &&
8223 (gameMode == IcsPlayingWhite ||
8224 gameMode == IcsPlayingBlack)) {
8225 SendToICS(ics_prefix);
8226 SendToICS("set shout 1\n");
8228 nextGameMode = IcsIdle;
8229 ics_user_moved = FALSE;
8230 /* clean up premove. It's ugly when the game has ended and the
8231 * premove highlights are still on the board.
8235 ClearPremoveHighlights();
8236 DrawPosition(FALSE, boards[currentMove]);
8238 if (whosays == GE_ICS) {
8241 if (gameMode == IcsPlayingWhite)
8243 else if(gameMode == IcsPlayingBlack)
8247 if (gameMode == IcsPlayingBlack)
8249 else if(gameMode == IcsPlayingWhite)
8256 PlayIcsUnfinishedSound();
8259 } else if (gameMode == EditGame ||
8260 gameMode == PlayFromGameFile ||
8261 gameMode == AnalyzeMode ||
8262 gameMode == AnalyzeFile) {
8263 nextGameMode = gameMode;
8265 nextGameMode = EndOfGame;
8270 nextGameMode = gameMode;
8273 if (appData.noChessProgram) {
8274 gameMode = nextGameMode;
8276 endingGame = 0; /* [HGM] crash */
8281 /* Put first chess program into idle state */
8282 if (first.pr != NoProc &&
8283 (gameMode == MachinePlaysWhite ||
8284 gameMode == MachinePlaysBlack ||
8285 gameMode == TwoMachinesPlay ||
8286 gameMode == IcsPlayingWhite ||
8287 gameMode == IcsPlayingBlack ||
8288 gameMode == BeginningOfGame)) {
8289 SendToProgram("force\n", &first);
8290 if (first.usePing) {
8292 sprintf(buf, "ping %d\n", ++first.lastPing);
8293 SendToProgram(buf, &first);
8296 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8297 /* Kill off first chess program */
8298 if (first.isr != NULL)
8299 RemoveInputSource(first.isr);
8302 if (first.pr != NoProc) {
8304 DoSleep( appData.delayBeforeQuit );
8305 SendToProgram("quit\n", &first);
8306 DoSleep( appData.delayAfterQuit );
8307 DestroyChildProcess(first.pr, first.useSigterm);
8312 /* Put second chess program into idle state */
8313 if (second.pr != NoProc &&
8314 gameMode == TwoMachinesPlay) {
8315 SendToProgram("force\n", &second);
8316 if (second.usePing) {
8318 sprintf(buf, "ping %d\n", ++second.lastPing);
8319 SendToProgram(buf, &second);
8322 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8323 /* Kill off second chess program */
8324 if (second.isr != NULL)
8325 RemoveInputSource(second.isr);
8328 if (second.pr != NoProc) {
8329 DoSleep( appData.delayBeforeQuit );
8330 SendToProgram("quit\n", &second);
8331 DoSleep( appData.delayAfterQuit );
8332 DestroyChildProcess(second.pr, second.useSigterm);
8337 if (matchMode && gameMode == TwoMachinesPlay) {
8340 if (first.twoMachinesColor[0] == 'w') {
8347 if (first.twoMachinesColor[0] == 'b') {
8356 if (matchGame < appData.matchGames) {
8358 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8359 tmp = first.twoMachinesColor;
8360 first.twoMachinesColor = second.twoMachinesColor;
8361 second.twoMachinesColor = tmp;
8363 gameMode = nextGameMode;
8365 if(appData.matchPause>10000 || appData.matchPause<10)
8366 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8367 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8368 endingGame = 0; /* [HGM] crash */
8372 gameMode = nextGameMode;
8373 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8374 first.tidy, second.tidy,
8375 first.matchWins, second.matchWins,
8376 appData.matchGames - (first.matchWins + second.matchWins));
8377 DisplayFatalError(buf, 0, 0);
8380 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8381 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8383 gameMode = nextGameMode;
8385 endingGame = 0; /* [HGM] crash */
8388 /* Assumes program was just initialized (initString sent).
8389 Leaves program in force mode. */
8391 FeedMovesToProgram(cps, upto)
8392 ChessProgramState *cps;
8397 if (appData.debugMode)
8398 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
8399 startedFromSetupPosition ? "position and " : "",
8400 backwardMostMove, upto, cps->which);
8401 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
8402 // [HGM] variantswitch: make engine aware of new variant
8403 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
8404 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
8405 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
8406 SendToProgram(buf, cps);
8407 currentlyInitializedVariant = gameInfo.variant;
8409 SendToProgram("force\n", cps);
8410 if (startedFromSetupPosition) {
8411 SendBoard(cps, backwardMostMove);
8412 if (appData.debugMode) {
8413 fprintf(debugFP, "feedMoves\n");
8416 for (i = backwardMostMove; i < upto; i++) {
8417 SendMoveToProgram(i, cps);
8423 ResurrectChessProgram()
8425 /* The chess program may have exited.
8426 If so, restart it and feed it all the moves made so far. */
8428 if (appData.noChessProgram || first.pr != NoProc) return;
8430 StartChessProgram(&first);
8431 InitChessProgram(&first, FALSE);
8432 FeedMovesToProgram(&first, currentMove);
8434 if (!first.sendTime) {
8435 /* can't tell gnuchess what its clock should read,
8436 so we bow to its notion. */
8438 timeRemaining[0][currentMove] = whiteTimeRemaining;
8439 timeRemaining[1][currentMove] = blackTimeRemaining;
8442 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
8443 appData.icsEngineAnalyze) && first.analysisSupport) {
8444 SendToProgram("analyze\n", &first);
8445 first.analyzing = TRUE;
8458 if (appData.debugMode) {
8459 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
8460 redraw, init, gameMode);
8462 pausing = pauseExamInvalid = FALSE;
8463 startedFromSetupPosition = blackPlaysFirst = FALSE;
8465 whiteFlag = blackFlag = FALSE;
8466 userOfferedDraw = FALSE;
8467 hintRequested = bookRequested = FALSE;
8468 first.maybeThinking = FALSE;
8469 second.maybeThinking = FALSE;
8470 first.bookSuspend = FALSE; // [HGM] book
8471 second.bookSuspend = FALSE;
8472 thinkOutput[0] = NULLCHAR;
8473 lastHint[0] = NULLCHAR;
8474 ClearGameInfo(&gameInfo);
8475 gameInfo.variant = StringToVariant(appData.variant);
8476 ics_user_moved = ics_clock_paused = FALSE;
8477 ics_getting_history = H_FALSE;
8479 white_holding[0] = black_holding[0] = NULLCHAR;
8480 ClearProgramStats();
8481 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
8485 flipView = appData.flipView;
8486 ClearPremoveHighlights();
8488 alarmSounded = FALSE;
8490 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8491 if(appData.serverMovesName != NULL) {
8492 /* [HGM] prepare to make moves file for broadcasting */
8493 clock_t t = clock();
8494 if(serverMoves != NULL) fclose(serverMoves);
8495 serverMoves = fopen(appData.serverMovesName, "r");
8496 if(serverMoves != NULL) {
8497 fclose(serverMoves);
8498 /* delay 15 sec before overwriting, so all clients can see end */
8499 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
8501 serverMoves = fopen(appData.serverMovesName, "w");
8505 gameMode = BeginningOfGame;
8507 if(appData.icsActive) gameInfo.variant = VariantNormal;
8508 currentMove = forwardMostMove = backwardMostMove = 0;
8509 InitPosition(redraw);
8510 for (i = 0; i < MAX_MOVES; i++) {
8511 if (commentList[i] != NULL) {
8512 free(commentList[i]);
8513 commentList[i] = NULL;
8517 timeRemaining[0][0] = whiteTimeRemaining;
8518 timeRemaining[1][0] = blackTimeRemaining;
8519 if (first.pr == NULL) {
8520 StartChessProgram(&first);
8523 InitChessProgram(&first, startedFromSetupPosition);
8526 DisplayMessage("", "");
8527 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
8528 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
8535 if (!AutoPlayOneMove())
8537 if (matchMode || appData.timeDelay == 0)
8539 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
8541 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
8550 int fromX, fromY, toX, toY;
8552 if (appData.debugMode) {
8553 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
8556 if (gameMode != PlayFromGameFile)
8559 if (currentMove >= forwardMostMove) {
8560 gameMode = EditGame;
8563 /* [AS] Clear current move marker at the end of a game */
8564 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
8569 toX = moveList[currentMove][2] - AAA;
8570 toY = moveList[currentMove][3] - ONE;
8572 if (moveList[currentMove][1] == '@') {
8573 if (appData.highlightLastMove) {
8574 SetHighlights(-1, -1, toX, toY);
8577 fromX = moveList[currentMove][0] - AAA;
8578 fromY = moveList[currentMove][1] - ONE;
8580 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
8582 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8584 if (appData.highlightLastMove) {
8585 SetHighlights(fromX, fromY, toX, toY);
8588 DisplayMove(currentMove);
8589 SendMoveToProgram(currentMove++, &first);
8590 DisplayBothClocks();
8591 DrawPosition(FALSE, boards[currentMove]);
8592 // [HGM] PV info: always display, routine tests if empty
8593 DisplayComment(currentMove - 1, commentList[currentMove]);
8599 LoadGameOneMove(readAhead)
8600 ChessMove readAhead;
8602 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
8603 char promoChar = NULLCHAR;
8608 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
8609 gameMode != AnalyzeMode && gameMode != Training) {
8614 yyboardindex = forwardMostMove;
8615 if (readAhead != (ChessMove)0) {
8616 moveType = readAhead;
8618 if (gameFileFP == NULL)
8620 moveType = (ChessMove) yylex();
8626 if (appData.debugMode)
8627 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8629 if (*p == '{' || *p == '[' || *p == '(') {
8630 p[strlen(p) - 1] = NULLCHAR;
8634 /* append the comment but don't display it */
8635 while (*p == '\n') p++;
8636 AppendComment(currentMove, p);
8639 case WhiteCapturesEnPassant:
8640 case BlackCapturesEnPassant:
8641 case WhitePromotionChancellor:
8642 case BlackPromotionChancellor:
8643 case WhitePromotionArchbishop:
8644 case BlackPromotionArchbishop:
8645 case WhitePromotionCentaur:
8646 case BlackPromotionCentaur:
8647 case WhitePromotionQueen:
8648 case BlackPromotionQueen:
8649 case WhitePromotionRook:
8650 case BlackPromotionRook:
8651 case WhitePromotionBishop:
8652 case BlackPromotionBishop:
8653 case WhitePromotionKnight:
8654 case BlackPromotionKnight:
8655 case WhitePromotionKing:
8656 case BlackPromotionKing:
8658 case WhiteKingSideCastle:
8659 case WhiteQueenSideCastle:
8660 case BlackKingSideCastle:
8661 case BlackQueenSideCastle:
8662 case WhiteKingSideCastleWild:
8663 case WhiteQueenSideCastleWild:
8664 case BlackKingSideCastleWild:
8665 case BlackQueenSideCastleWild:
8667 case WhiteHSideCastleFR:
8668 case WhiteASideCastleFR:
8669 case BlackHSideCastleFR:
8670 case BlackASideCastleFR:
8672 if (appData.debugMode)
8673 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8674 fromX = currentMoveString[0] - AAA;
8675 fromY = currentMoveString[1] - ONE;
8676 toX = currentMoveString[2] - AAA;
8677 toY = currentMoveString[3] - ONE;
8678 promoChar = currentMoveString[4];
8683 if (appData.debugMode)
8684 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8685 fromX = moveType == WhiteDrop ?
8686 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8687 (int) CharToPiece(ToLower(currentMoveString[0]));
8689 toX = currentMoveString[2] - AAA;
8690 toY = currentMoveString[3] - ONE;
8696 case GameUnfinished:
8697 if (appData.debugMode)
8698 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
8699 p = strchr(yy_text, '{');
8700 if (p == NULL) p = strchr(yy_text, '(');
8703 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8705 q = strchr(p, *p == '{' ? '}' : ')');
8706 if (q != NULL) *q = NULLCHAR;
8709 GameEnds(moveType, p, GE_FILE);
8711 if (cmailMsgLoaded) {
8713 flipView = WhiteOnMove(currentMove);
8714 if (moveType == GameUnfinished) flipView = !flipView;
8715 if (appData.debugMode)
8716 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
8720 case (ChessMove) 0: /* end of file */
8721 if (appData.debugMode)
8722 fprintf(debugFP, "Parser hit end of file\n");
8723 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8724 EP_UNKNOWN, castlingRights[currentMove]) ) {
8730 if (WhiteOnMove(currentMove)) {
8731 GameEnds(BlackWins, "Black mates", GE_FILE);
8733 GameEnds(WhiteWins, "White mates", GE_FILE);
8737 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8744 if (lastLoadGameStart == GNUChessGame) {
8745 /* GNUChessGames have numbers, but they aren't move numbers */
8746 if (appData.debugMode)
8747 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8748 yy_text, (int) moveType);
8749 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8751 /* else fall thru */
8756 /* Reached start of next game in file */
8757 if (appData.debugMode)
8758 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
8759 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8760 EP_UNKNOWN, castlingRights[currentMove]) ) {
8766 if (WhiteOnMove(currentMove)) {
8767 GameEnds(BlackWins, "Black mates", GE_FILE);
8769 GameEnds(WhiteWins, "White mates", GE_FILE);
8773 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8779 case PositionDiagram: /* should not happen; ignore */
8780 case ElapsedTime: /* ignore */
8781 case NAG: /* ignore */
8782 if (appData.debugMode)
8783 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8784 yy_text, (int) moveType);
8785 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8788 if (appData.testLegality) {
8789 if (appData.debugMode)
8790 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
8791 sprintf(move, _("Illegal move: %d.%s%s"),
8792 (forwardMostMove / 2) + 1,
8793 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8794 DisplayError(move, 0);
8797 if (appData.debugMode)
8798 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
8799 yy_text, currentMoveString);
8800 fromX = currentMoveString[0] - AAA;
8801 fromY = currentMoveString[1] - ONE;
8802 toX = currentMoveString[2] - AAA;
8803 toY = currentMoveString[3] - ONE;
8804 promoChar = currentMoveString[4];
8809 if (appData.debugMode)
8810 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
8811 sprintf(move, _("Ambiguous move: %d.%s%s"),
8812 (forwardMostMove / 2) + 1,
8813 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8814 DisplayError(move, 0);
8819 case ImpossibleMove:
8820 if (appData.debugMode)
8821 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
8822 sprintf(move, _("Illegal move: %d.%s%s"),
8823 (forwardMostMove / 2) + 1,
8824 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8825 DisplayError(move, 0);
8831 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
8832 DrawPosition(FALSE, boards[currentMove]);
8833 DisplayBothClocks();
8834 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
8835 DisplayComment(currentMove - 1, commentList[currentMove]);
8837 (void) StopLoadGameTimer();
8839 cmailOldMove = forwardMostMove;
8842 /* currentMoveString is set as a side-effect of yylex */
8843 strcat(currentMoveString, "\n");
8844 strcpy(moveList[forwardMostMove], currentMoveString);
8846 thinkOutput[0] = NULLCHAR;
8847 MakeMove(fromX, fromY, toX, toY, promoChar);
8848 currentMove = forwardMostMove;
8853 /* Load the nth game from the given file */
8855 LoadGameFromFile(filename, n, title, useList)
8859 /*Boolean*/ int useList;
8864 if (strcmp(filename, "-") == 0) {
8868 f = fopen(filename, "rb");
8870 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
8871 DisplayError(buf, errno);
8875 if (fseek(f, 0, 0) == -1) {
8876 /* f is not seekable; probably a pipe */
8879 if (useList && n == 0) {
8880 int error = GameListBuild(f);
8882 DisplayError(_("Cannot build game list"), error);
8883 } else if (!ListEmpty(&gameList) &&
8884 ((ListGame *) gameList.tailPred)->number > 1) {
8885 GameListPopUp(f, title);
8892 return LoadGame(f, n, title, FALSE);
8897 MakeRegisteredMove()
8899 int fromX, fromY, toX, toY;
8901 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8902 switch (cmailMoveType[lastLoadGameNumber - 1]) {
8905 if (appData.debugMode)
8906 fprintf(debugFP, "Restoring %s for game %d\n",
8907 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
8909 thinkOutput[0] = NULLCHAR;
8910 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
8911 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
8912 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
8913 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
8914 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
8915 promoChar = cmailMove[lastLoadGameNumber - 1][4];
8916 MakeMove(fromX, fromY, toX, toY, promoChar);
8917 ShowMove(fromX, fromY, toX, toY);
8919 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8920 EP_UNKNOWN, castlingRights[currentMove]) ) {
8927 if (WhiteOnMove(currentMove)) {
8928 GameEnds(BlackWins, "Black mates", GE_PLAYER);
8930 GameEnds(WhiteWins, "White mates", GE_PLAYER);
8935 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
8942 if (WhiteOnMove(currentMove)) {
8943 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8945 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8950 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8961 /* Wrapper around LoadGame for use when a Cmail message is loaded */
8963 CmailLoadGame(f, gameNumber, title, useList)
8971 if (gameNumber > nCmailGames) {
8972 DisplayError(_("No more games in this message"), 0);
8975 if (f == lastLoadGameFP) {
8976 int offset = gameNumber - lastLoadGameNumber;
8978 cmailMsg[0] = NULLCHAR;
8979 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8980 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
8981 nCmailMovesRegistered--;
8983 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
8984 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
8985 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
8988 if (! RegisterMove()) return FALSE;
8992 retVal = LoadGame(f, gameNumber, title, useList);
8994 /* Make move registered during previous look at this game, if any */
8995 MakeRegisteredMove();
8997 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
8998 commentList[currentMove]
8999 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9000 DisplayComment(currentMove - 1, commentList[currentMove]);
9006 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9011 int gameNumber = lastLoadGameNumber + offset;
9012 if (lastLoadGameFP == NULL) {
9013 DisplayError(_("No game has been loaded yet"), 0);
9016 if (gameNumber <= 0) {
9017 DisplayError(_("Can't back up any further"), 0);
9020 if (cmailMsgLoaded) {
9021 return CmailLoadGame(lastLoadGameFP, gameNumber,
9022 lastLoadGameTitle, lastLoadGameUseList);
9024 return LoadGame(lastLoadGameFP, gameNumber,
9025 lastLoadGameTitle, lastLoadGameUseList);
9031 /* Load the nth game from open file f */
9033 LoadGame(f, gameNumber, title, useList)
9041 int gn = gameNumber;
9042 ListGame *lg = NULL;
9045 GameMode oldGameMode;
9046 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9048 if (appData.debugMode)
9049 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9051 if (gameMode == Training )
9052 SetTrainingModeOff();
9054 oldGameMode = gameMode;
9055 if (gameMode != BeginningOfGame) {
9060 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9061 fclose(lastLoadGameFP);
9065 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9068 fseek(f, lg->offset, 0);
9069 GameListHighlight(gameNumber);
9073 DisplayError(_("Game number out of range"), 0);
9078 if (fseek(f, 0, 0) == -1) {
9079 if (f == lastLoadGameFP ?
9080 gameNumber == lastLoadGameNumber + 1 :
9084 DisplayError(_("Can't seek on game file"), 0);
9090 lastLoadGameNumber = gameNumber;
9091 strcpy(lastLoadGameTitle, title);
9092 lastLoadGameUseList = useList;
9096 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9097 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9098 lg->gameInfo.black);
9100 } else if (*title != NULLCHAR) {
9101 if (gameNumber > 1) {
9102 sprintf(buf, "%s %d", title, gameNumber);
9105 DisplayTitle(title);
9109 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9110 gameMode = PlayFromGameFile;
9114 currentMove = forwardMostMove = backwardMostMove = 0;
9115 CopyBoard(boards[0], initialPosition);
9119 * Skip the first gn-1 games in the file.
9120 * Also skip over anything that precedes an identifiable
9121 * start of game marker, to avoid being confused by
9122 * garbage at the start of the file. Currently
9123 * recognized start of game markers are the move number "1",
9124 * the pattern "gnuchess .* game", the pattern
9125 * "^[#;%] [^ ]* game file", and a PGN tag block.
9126 * A game that starts with one of the latter two patterns
9127 * will also have a move number 1, possibly
9128 * following a position diagram.
9129 * 5-4-02: Let's try being more lenient and allowing a game to
9130 * start with an unnumbered move. Does that break anything?
9132 cm = lastLoadGameStart = (ChessMove) 0;
9134 yyboardindex = forwardMostMove;
9135 cm = (ChessMove) yylex();
9138 if (cmailMsgLoaded) {
9139 nCmailGames = CMAIL_MAX_GAMES - gn;
9142 DisplayError(_("Game not found in file"), 0);
9149 lastLoadGameStart = cm;
9153 switch (lastLoadGameStart) {
9160 gn--; /* count this game */
9161 lastLoadGameStart = cm;
9170 switch (lastLoadGameStart) {
9175 gn--; /* count this game */
9176 lastLoadGameStart = cm;
9179 lastLoadGameStart = cm; /* game counted already */
9187 yyboardindex = forwardMostMove;
9188 cm = (ChessMove) yylex();
9189 } while (cm == PGNTag || cm == Comment);
9196 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9197 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9198 != CMAIL_OLD_RESULT) {
9200 cmailResult[ CMAIL_MAX_GAMES
9201 - gn - 1] = CMAIL_OLD_RESULT;
9207 /* Only a NormalMove can be at the start of a game
9208 * without a position diagram. */
9209 if (lastLoadGameStart == (ChessMove) 0) {
9211 lastLoadGameStart = MoveNumberOne;
9220 if (appData.debugMode)
9221 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9223 if (cm == XBoardGame) {
9224 /* Skip any header junk before position diagram and/or move 1 */
9226 yyboardindex = forwardMostMove;
9227 cm = (ChessMove) yylex();
9229 if (cm == (ChessMove) 0 ||
9230 cm == GNUChessGame || cm == XBoardGame) {
9231 /* Empty game; pretend end-of-file and handle later */
9236 if (cm == MoveNumberOne || cm == PositionDiagram ||
9237 cm == PGNTag || cm == Comment)
9240 } else if (cm == GNUChessGame) {
9241 if (gameInfo.event != NULL) {
9242 free(gameInfo.event);
9244 gameInfo.event = StrSave(yy_text);
9247 startedFromSetupPosition = FALSE;
9248 while (cm == PGNTag) {
9249 if (appData.debugMode)
9250 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9251 err = ParsePGNTag(yy_text, &gameInfo);
9252 if (!err) numPGNTags++;
9254 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9255 if(gameInfo.variant != oldVariant) {
9256 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9258 oldVariant = gameInfo.variant;
9259 if (appData.debugMode)
9260 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9264 if (gameInfo.fen != NULL) {
9265 Board initial_position;
9266 startedFromSetupPosition = TRUE;
9267 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9269 DisplayError(_("Bad FEN position in file"), 0);
9272 CopyBoard(boards[0], initial_position);
9273 if (blackPlaysFirst) {
9274 currentMove = forwardMostMove = backwardMostMove = 1;
9275 CopyBoard(boards[1], initial_position);
9276 strcpy(moveList[0], "");
9277 strcpy(parseList[0], "");
9278 timeRemaining[0][1] = whiteTimeRemaining;
9279 timeRemaining[1][1] = blackTimeRemaining;
9280 if (commentList[0] != NULL) {
9281 commentList[1] = commentList[0];
9282 commentList[0] = NULL;
9285 currentMove = forwardMostMove = backwardMostMove = 0;
9287 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9289 initialRulePlies = FENrulePlies;
9290 epStatus[forwardMostMove] = FENepStatus;
9291 for( i=0; i< nrCastlingRights; i++ )
9292 initialRights[i] = castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9294 yyboardindex = forwardMostMove;
9296 gameInfo.fen = NULL;
9299 yyboardindex = forwardMostMove;
9300 cm = (ChessMove) yylex();
9302 /* Handle comments interspersed among the tags */
9303 while (cm == Comment) {
9305 if (appData.debugMode)
9306 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9308 if (*p == '{' || *p == '[' || *p == '(') {
9309 p[strlen(p) - 1] = NULLCHAR;
9312 while (*p == '\n') p++;
9313 AppendComment(currentMove, p);
9314 yyboardindex = forwardMostMove;
9315 cm = (ChessMove) yylex();
9319 /* don't rely on existence of Event tag since if game was
9320 * pasted from clipboard the Event tag may not exist
9322 if (numPGNTags > 0){
9324 if (gameInfo.variant == VariantNormal) {
9325 gameInfo.variant = StringToVariant(gameInfo.event);
9328 if( appData.autoDisplayTags ) {
9329 tags = PGNTags(&gameInfo);
9330 TagsPopUp(tags, CmailMsg());
9335 /* Make something up, but don't display it now */
9340 if (cm == PositionDiagram) {
9343 Board initial_position;
9345 if (appData.debugMode)
9346 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9348 if (!startedFromSetupPosition) {
9350 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9351 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9361 initial_position[i][j++] = CharToPiece(*p);
9364 while (*p == ' ' || *p == '\t' ||
9365 *p == '\n' || *p == '\r') p++;
9367 if (strncmp(p, "black", strlen("black"))==0)
9368 blackPlaysFirst = TRUE;
9370 blackPlaysFirst = FALSE;
9371 startedFromSetupPosition = TRUE;
9373 CopyBoard(boards[0], initial_position);
9374 if (blackPlaysFirst) {
9375 currentMove = forwardMostMove = backwardMostMove = 1;
9376 CopyBoard(boards[1], initial_position);
9377 strcpy(moveList[0], "");
9378 strcpy(parseList[0], "");
9379 timeRemaining[0][1] = whiteTimeRemaining;
9380 timeRemaining[1][1] = blackTimeRemaining;
9381 if (commentList[0] != NULL) {
9382 commentList[1] = commentList[0];
9383 commentList[0] = NULL;
9386 currentMove = forwardMostMove = backwardMostMove = 0;
9389 yyboardindex = forwardMostMove;
9390 cm = (ChessMove) yylex();
9393 if (first.pr == NoProc) {
9394 StartChessProgram(&first);
9396 InitChessProgram(&first, FALSE);
9397 SendToProgram("force\n", &first);
9398 if (startedFromSetupPosition) {
9399 SendBoard(&first, forwardMostMove);
9400 if (appData.debugMode) {
9401 fprintf(debugFP, "Load Game\n");
9403 DisplayBothClocks();
9406 /* [HGM] server: flag to write setup moves in broadcast file as one */
9407 loadFlag = appData.suppressLoadMoves;
9409 while (cm == Comment) {
9411 if (appData.debugMode)
9412 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9414 if (*p == '{' || *p == '[' || *p == '(') {
9415 p[strlen(p) - 1] = NULLCHAR;
9418 while (*p == '\n') p++;
9419 AppendComment(currentMove, p);
9420 yyboardindex = forwardMostMove;
9421 cm = (ChessMove) yylex();
9424 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
9425 cm == WhiteWins || cm == BlackWins ||
9426 cm == GameIsDrawn || cm == GameUnfinished) {
9427 DisplayMessage("", _("No moves in game"));
9428 if (cmailMsgLoaded) {
9429 if (appData.debugMode)
9430 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
9434 DrawPosition(FALSE, boards[currentMove]);
9435 DisplayBothClocks();
9436 gameMode = EditGame;
9443 // [HGM] PV info: routine tests if comment empty
9444 if (!matchMode && (pausing || appData.timeDelay != 0)) {
9445 DisplayComment(currentMove - 1, commentList[currentMove]);
9447 if (!matchMode && appData.timeDelay != 0)
9448 DrawPosition(FALSE, boards[currentMove]);
9450 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
9451 programStats.ok_to_send = 1;
9454 /* if the first token after the PGN tags is a move
9455 * and not move number 1, retrieve it from the parser
9457 if (cm != MoveNumberOne)
9458 LoadGameOneMove(cm);
9460 /* load the remaining moves from the file */
9461 while (LoadGameOneMove((ChessMove)0)) {
9462 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9463 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9466 /* rewind to the start of the game */
9467 currentMove = backwardMostMove;
9469 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9471 if (oldGameMode == AnalyzeFile ||
9472 oldGameMode == AnalyzeMode) {
9476 if (matchMode || appData.timeDelay == 0) {
9478 gameMode = EditGame;
9480 } else if (appData.timeDelay > 0) {
9484 if (appData.debugMode)
9485 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
9487 loadFlag = 0; /* [HGM] true game starts */
9491 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
9493 ReloadPosition(offset)
9496 int positionNumber = lastLoadPositionNumber + offset;
9497 if (lastLoadPositionFP == NULL) {
9498 DisplayError(_("No position has been loaded yet"), 0);
9501 if (positionNumber <= 0) {
9502 DisplayError(_("Can't back up any further"), 0);
9505 return LoadPosition(lastLoadPositionFP, positionNumber,
9506 lastLoadPositionTitle);
9509 /* Load the nth position from the given file */
9511 LoadPositionFromFile(filename, n, title)
9519 if (strcmp(filename, "-") == 0) {
9520 return LoadPosition(stdin, n, "stdin");
9522 f = fopen(filename, "rb");
9524 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9525 DisplayError(buf, errno);
9528 return LoadPosition(f, n, title);
9533 /* Load the nth position from the given open file, and close it */
9535 LoadPosition(f, positionNumber, title)
9540 char *p, line[MSG_SIZ];
9541 Board initial_position;
9542 int i, j, fenMode, pn;
9544 if (gameMode == Training )
9545 SetTrainingModeOff();
9547 if (gameMode != BeginningOfGame) {
9550 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
9551 fclose(lastLoadPositionFP);
9553 if (positionNumber == 0) positionNumber = 1;
9554 lastLoadPositionFP = f;
9555 lastLoadPositionNumber = positionNumber;
9556 strcpy(lastLoadPositionTitle, title);
9557 if (first.pr == NoProc) {
9558 StartChessProgram(&first);
9559 InitChessProgram(&first, FALSE);
9561 pn = positionNumber;
9562 if (positionNumber < 0) {
9563 /* Negative position number means to seek to that byte offset */
9564 if (fseek(f, -positionNumber, 0) == -1) {
9565 DisplayError(_("Can't seek on position file"), 0);
9570 if (fseek(f, 0, 0) == -1) {
9571 if (f == lastLoadPositionFP ?
9572 positionNumber == lastLoadPositionNumber + 1 :
9573 positionNumber == 1) {
9576 DisplayError(_("Can't seek on position file"), 0);
9581 /* See if this file is FEN or old-style xboard */
9582 if (fgets(line, MSG_SIZ, f) == NULL) {
9583 DisplayError(_("Position not found in file"), 0);
9586 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
9587 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
9590 if (fenMode || line[0] == '#') pn--;
9592 /* skip positions before number pn */
9593 if (fgets(line, MSG_SIZ, f) == NULL) {
9595 DisplayError(_("Position not found in file"), 0);
9598 if (fenMode || line[0] == '#') pn--;
9603 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
9604 DisplayError(_("Bad FEN position in file"), 0);
9608 (void) fgets(line, MSG_SIZ, f);
9609 (void) fgets(line, MSG_SIZ, f);
9611 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
9612 (void) fgets(line, MSG_SIZ, f);
9613 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
9616 initial_position[i][j++] = CharToPiece(*p);
9620 blackPlaysFirst = FALSE;
9622 (void) fgets(line, MSG_SIZ, f);
9623 if (strncmp(line, "black", strlen("black"))==0)
9624 blackPlaysFirst = TRUE;
9627 startedFromSetupPosition = TRUE;
9629 SendToProgram("force\n", &first);
9630 CopyBoard(boards[0], initial_position);
9631 if (blackPlaysFirst) {
9632 currentMove = forwardMostMove = backwardMostMove = 1;
9633 strcpy(moveList[0], "");
9634 strcpy(parseList[0], "");
9635 CopyBoard(boards[1], initial_position);
9636 DisplayMessage("", _("Black to play"));
9638 currentMove = forwardMostMove = backwardMostMove = 0;
9639 DisplayMessage("", _("White to play"));
9641 /* [HGM] copy FEN attributes as well */
9643 initialRulePlies = FENrulePlies;
9644 epStatus[forwardMostMove] = FENepStatus;
9645 for( i=0; i< nrCastlingRights; i++ )
9646 castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9648 SendBoard(&first, forwardMostMove);
9649 if (appData.debugMode) {
9651 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", castlingRights[i][j]);fprintf(debugFP,"\n");}
9652 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
9653 fprintf(debugFP, "Load Position\n");
9656 if (positionNumber > 1) {
9657 sprintf(line, "%s %d", title, positionNumber);
9660 DisplayTitle(title);
9662 gameMode = EditGame;
9665 timeRemaining[0][1] = whiteTimeRemaining;
9666 timeRemaining[1][1] = blackTimeRemaining;
9667 DrawPosition(FALSE, boards[currentMove]);
9674 CopyPlayerNameIntoFileName(dest, src)
9677 while (*src != NULLCHAR && *src != ',') {
9682 *(*dest)++ = *src++;
9687 char *DefaultFileName(ext)
9690 static char def[MSG_SIZ];
9693 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
9695 CopyPlayerNameIntoFileName(&p, gameInfo.white);
9697 CopyPlayerNameIntoFileName(&p, gameInfo.black);
9706 /* Save the current game to the given file */
9708 SaveGameToFile(filename, append)
9715 if (strcmp(filename, "-") == 0) {
9716 return SaveGame(stdout, 0, NULL);
9718 f = fopen(filename, append ? "a" : "w");
9720 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9721 DisplayError(buf, errno);
9724 return SaveGame(f, 0, NULL);
9733 static char buf[MSG_SIZ];
9736 p = strchr(str, ' ');
9737 if (p == NULL) return str;
9738 strncpy(buf, str, p - str);
9739 buf[p - str] = NULLCHAR;
9743 #define PGN_MAX_LINE 75
9745 #define PGN_SIDE_WHITE 0
9746 #define PGN_SIDE_BLACK 1
9749 static int FindFirstMoveOutOfBook( int side )
9753 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
9754 int index = backwardMostMove;
9755 int has_book_hit = 0;
9757 if( (index % 2) != side ) {
9761 while( index < forwardMostMove ) {
9762 /* Check to see if engine is in book */
9763 int depth = pvInfoList[index].depth;
9764 int score = pvInfoList[index].score;
9770 else if( score == 0 && depth == 63 ) {
9771 in_book = 1; /* Zappa */
9773 else if( score == 2 && depth == 99 ) {
9774 in_book = 1; /* Abrok */
9777 has_book_hit += in_book;
9793 void GetOutOfBookInfo( char * buf )
9797 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9799 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
9800 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
9804 if( oob[0] >= 0 || oob[1] >= 0 ) {
9805 for( i=0; i<2; i++ ) {
9809 if( i > 0 && oob[0] >= 0 ) {
9813 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
9814 sprintf( buf+strlen(buf), "%s%.2f",
9815 pvInfoList[idx].score >= 0 ? "+" : "",
9816 pvInfoList[idx].score / 100.0 );
9822 /* Save game in PGN style and close the file */
9827 int i, offset, linelen, newblock;
9831 int movelen, numlen, blank;
9832 char move_buffer[100]; /* [AS] Buffer for move+PV info */
9834 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9836 tm = time((time_t *) NULL);
9838 PrintPGNTags(f, &gameInfo);
9840 if (backwardMostMove > 0 || startedFromSetupPosition) {
9841 char *fen = PositionToFEN(backwardMostMove, NULL);
9842 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
9843 fprintf(f, "\n{--------------\n");
9844 PrintPosition(f, backwardMostMove);
9845 fprintf(f, "--------------}\n");
9849 /* [AS] Out of book annotation */
9850 if( appData.saveOutOfBookInfo ) {
9853 GetOutOfBookInfo( buf );
9855 if( buf[0] != '\0' ) {
9856 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
9863 i = backwardMostMove;
9867 while (i < forwardMostMove) {
9868 /* Print comments preceding this move */
9869 if (commentList[i] != NULL) {
9870 if (linelen > 0) fprintf(f, "\n");
9871 fprintf(f, "{\n%s}\n", commentList[i]);
9876 /* Format move number */
9878 sprintf(numtext, "%d.", (i - offset)/2 + 1);
9881 sprintf(numtext, "%d...", (i - offset)/2 + 1);
9883 numtext[0] = NULLCHAR;
9886 numlen = strlen(numtext);
9889 /* Print move number */
9890 blank = linelen > 0 && numlen > 0;
9891 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
9900 fprintf(f, "%s", numtext);
9904 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
9905 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
9908 blank = linelen > 0 && movelen > 0;
9909 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9918 fprintf(f, "%s", move_buffer);
9921 /* [AS] Add PV info if present */
9922 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
9923 /* [HGM] add time */
9924 char buf[MSG_SIZ]; int seconds = 0;
9926 if(i >= backwardMostMove) {
9928 seconds = timeRemaining[0][i] - timeRemaining[0][i+1]
9929 + GetTimeQuota(i/2) / (1000*WhitePlayer()->timeOdds);
9931 seconds = timeRemaining[1][i] - timeRemaining[1][i+1]
9932 + GetTimeQuota(i/2) / (1000*WhitePlayer()->other->timeOdds);
9934 seconds = (seconds+50)/100; // deci-seconds, rounded to nearest
9936 if( seconds <= 0) buf[0] = 0; else
9937 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
9938 seconds = (seconds + 4)/10; // round to full seconds
9939 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
9940 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
9943 sprintf( move_buffer, "{%s%.2f/%d%s}",
9944 pvInfoList[i].score >= 0 ? "+" : "",
9945 pvInfoList[i].score / 100.0,
9946 pvInfoList[i].depth,
9949 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
9951 /* Print score/depth */
9952 blank = linelen > 0 && movelen > 0;
9953 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9962 fprintf(f, "%s", move_buffer);
9969 /* Start a new line */
9970 if (linelen > 0) fprintf(f, "\n");
9972 /* Print comments after last move */
9973 if (commentList[i] != NULL) {
9974 fprintf(f, "{\n%s}\n", commentList[i]);
9978 if (gameInfo.resultDetails != NULL &&
9979 gameInfo.resultDetails[0] != NULLCHAR) {
9980 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
9981 PGNResult(gameInfo.result));
9983 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
9987 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
9991 /* Save game in old style and close the file */
9999 tm = time((time_t *) NULL);
10001 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10004 if (backwardMostMove > 0 || startedFromSetupPosition) {
10005 fprintf(f, "\n[--------------\n");
10006 PrintPosition(f, backwardMostMove);
10007 fprintf(f, "--------------]\n");
10012 i = backwardMostMove;
10013 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10015 while (i < forwardMostMove) {
10016 if (commentList[i] != NULL) {
10017 fprintf(f, "[%s]\n", commentList[i]);
10020 if ((i % 2) == 1) {
10021 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10024 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10026 if (commentList[i] != NULL) {
10030 if (i >= forwardMostMove) {
10034 fprintf(f, "%s\n", parseList[i]);
10039 if (commentList[i] != NULL) {
10040 fprintf(f, "[%s]\n", commentList[i]);
10043 /* This isn't really the old style, but it's close enough */
10044 if (gameInfo.resultDetails != NULL &&
10045 gameInfo.resultDetails[0] != NULLCHAR) {
10046 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10047 gameInfo.resultDetails);
10049 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10056 /* Save the current game to open file f and close the file */
10058 SaveGame(f, dummy, dummy2)
10063 if (gameMode == EditPosition) EditPositionDone();
10064 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10065 if (appData.oldSaveStyle)
10066 return SaveGameOldStyle(f);
10068 return SaveGamePGN(f);
10071 /* Save the current position to the given file */
10073 SavePositionToFile(filename)
10079 if (strcmp(filename, "-") == 0) {
10080 return SavePosition(stdout, 0, NULL);
10082 f = fopen(filename, "a");
10084 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10085 DisplayError(buf, errno);
10088 SavePosition(f, 0, NULL);
10094 /* Save the current position to the given open file and close the file */
10096 SavePosition(f, dummy, dummy2)
10104 if (appData.oldSaveStyle) {
10105 tm = time((time_t *) NULL);
10107 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10109 fprintf(f, "[--------------\n");
10110 PrintPosition(f, currentMove);
10111 fprintf(f, "--------------]\n");
10113 fen = PositionToFEN(currentMove, NULL);
10114 fprintf(f, "%s\n", fen);
10122 ReloadCmailMsgEvent(unregister)
10126 static char *inFilename = NULL;
10127 static char *outFilename;
10129 struct stat inbuf, outbuf;
10132 /* Any registered moves are unregistered if unregister is set, */
10133 /* i.e. invoked by the signal handler */
10135 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10136 cmailMoveRegistered[i] = FALSE;
10137 if (cmailCommentList[i] != NULL) {
10138 free(cmailCommentList[i]);
10139 cmailCommentList[i] = NULL;
10142 nCmailMovesRegistered = 0;
10145 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10146 cmailResult[i] = CMAIL_NOT_RESULT;
10150 if (inFilename == NULL) {
10151 /* Because the filenames are static they only get malloced once */
10152 /* and they never get freed */
10153 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10154 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10156 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10157 sprintf(outFilename, "%s.out", appData.cmailGameName);
10160 status = stat(outFilename, &outbuf);
10162 cmailMailedMove = FALSE;
10164 status = stat(inFilename, &inbuf);
10165 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10168 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10169 counts the games, notes how each one terminated, etc.
10171 It would be nice to remove this kludge and instead gather all
10172 the information while building the game list. (And to keep it
10173 in the game list nodes instead of having a bunch of fixed-size
10174 parallel arrays.) Note this will require getting each game's
10175 termination from the PGN tags, as the game list builder does
10176 not process the game moves. --mann
10178 cmailMsgLoaded = TRUE;
10179 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10181 /* Load first game in the file or popup game menu */
10182 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10184 #endif /* !WIN32 */
10192 char string[MSG_SIZ];
10194 if ( cmailMailedMove
10195 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10196 return TRUE; /* Allow free viewing */
10199 /* Unregister move to ensure that we don't leave RegisterMove */
10200 /* with the move registered when the conditions for registering no */
10202 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10203 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10204 nCmailMovesRegistered --;
10206 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10208 free(cmailCommentList[lastLoadGameNumber - 1]);
10209 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10213 if (cmailOldMove == -1) {
10214 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10218 if (currentMove > cmailOldMove + 1) {
10219 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10223 if (currentMove < cmailOldMove) {
10224 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10228 if (forwardMostMove > currentMove) {
10229 /* Silently truncate extra moves */
10233 if ( (currentMove == cmailOldMove + 1)
10234 || ( (currentMove == cmailOldMove)
10235 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10236 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10237 if (gameInfo.result != GameUnfinished) {
10238 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10241 if (commentList[currentMove] != NULL) {
10242 cmailCommentList[lastLoadGameNumber - 1]
10243 = StrSave(commentList[currentMove]);
10245 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10247 if (appData.debugMode)
10248 fprintf(debugFP, "Saving %s for game %d\n",
10249 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10252 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10254 f = fopen(string, "w");
10255 if (appData.oldSaveStyle) {
10256 SaveGameOldStyle(f); /* also closes the file */
10258 sprintf(string, "%s.pos.out", appData.cmailGameName);
10259 f = fopen(string, "w");
10260 SavePosition(f, 0, NULL); /* also closes the file */
10262 fprintf(f, "{--------------\n");
10263 PrintPosition(f, currentMove);
10264 fprintf(f, "--------------}\n\n");
10266 SaveGame(f, 0, NULL); /* also closes the file*/
10269 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10270 nCmailMovesRegistered ++;
10271 } else if (nCmailGames == 1) {
10272 DisplayError(_("You have not made a move yet"), 0);
10283 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10284 FILE *commandOutput;
10285 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10286 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10292 if (! cmailMsgLoaded) {
10293 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10297 if (nCmailGames == nCmailResults) {
10298 DisplayError(_("No unfinished games"), 0);
10302 #if CMAIL_PROHIBIT_REMAIL
10303 if (cmailMailedMove) {
10304 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);
10305 DisplayError(msg, 0);
10310 if (! (cmailMailedMove || RegisterMove())) return;
10312 if ( cmailMailedMove
10313 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10314 sprintf(string, partCommandString,
10315 appData.debugMode ? " -v" : "", appData.cmailGameName);
10316 commandOutput = popen(string, "r");
10318 if (commandOutput == NULL) {
10319 DisplayError(_("Failed to invoke cmail"), 0);
10321 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10322 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10324 if (nBuffers > 1) {
10325 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10326 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10327 nBytes = MSG_SIZ - 1;
10329 (void) memcpy(msg, buffer, nBytes);
10331 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10333 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10334 cmailMailedMove = TRUE; /* Prevent >1 moves */
10337 for (i = 0; i < nCmailGames; i ++) {
10338 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10343 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10345 sprintf(buffer, "%s/%s.%s.archive",
10347 appData.cmailGameName,
10349 LoadGameFromFile(buffer, 1, buffer, FALSE);
10350 cmailMsgLoaded = FALSE;
10354 DisplayInformation(msg);
10355 pclose(commandOutput);
10358 if ((*cmailMsg) != '\0') {
10359 DisplayInformation(cmailMsg);
10364 #endif /* !WIN32 */
10373 int prependComma = 0;
10375 char string[MSG_SIZ]; /* Space for game-list */
10378 if (!cmailMsgLoaded) return "";
10380 if (cmailMailedMove) {
10381 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10383 /* Create a list of games left */
10384 sprintf(string, "[");
10385 for (i = 0; i < nCmailGames; i ++) {
10386 if (! ( cmailMoveRegistered[i]
10387 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10388 if (prependComma) {
10389 sprintf(number, ",%d", i + 1);
10391 sprintf(number, "%d", i + 1);
10395 strcat(string, number);
10398 strcat(string, "]");
10400 if (nCmailMovesRegistered + nCmailResults == 0) {
10401 switch (nCmailGames) {
10404 _("Still need to make move for game\n"));
10409 _("Still need to make moves for both games\n"));
10414 _("Still need to make moves for all %d games\n"),
10419 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10422 _("Still need to make a move for game %s\n"),
10427 if (nCmailResults == nCmailGames) {
10428 sprintf(cmailMsg, _("No unfinished games\n"));
10430 sprintf(cmailMsg, _("Ready to send mail\n"));
10436 _("Still need to make moves for games %s\n"),
10448 if (gameMode == Training)
10449 SetTrainingModeOff();
10452 cmailMsgLoaded = FALSE;
10453 if (appData.icsActive) {
10454 SendToICS(ics_prefix);
10455 SendToICS("refresh\n");
10465 /* Give up on clean exit */
10469 /* Keep trying for clean exit */
10473 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
10475 if (telnetISR != NULL) {
10476 RemoveInputSource(telnetISR);
10478 if (icsPR != NoProc) {
10479 DestroyChildProcess(icsPR, TRUE);
10482 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
10483 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
10485 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
10486 /* make sure this other one finishes before killing it! */
10487 if(endingGame) { int count = 0;
10488 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
10489 while(endingGame && count++ < 10) DoSleep(1);
10490 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
10493 /* Kill off chess programs */
10494 if (first.pr != NoProc) {
10497 DoSleep( appData.delayBeforeQuit );
10498 SendToProgram("quit\n", &first);
10499 DoSleep( appData.delayAfterQuit );
10500 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
10502 if (second.pr != NoProc) {
10503 DoSleep( appData.delayBeforeQuit );
10504 SendToProgram("quit\n", &second);
10505 DoSleep( appData.delayAfterQuit );
10506 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
10508 if (first.isr != NULL) {
10509 RemoveInputSource(first.isr);
10511 if (second.isr != NULL) {
10512 RemoveInputSource(second.isr);
10515 ShutDownFrontEnd();
10522 if (appData.debugMode)
10523 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
10527 if (gameMode == MachinePlaysWhite ||
10528 gameMode == MachinePlaysBlack) {
10531 DisplayBothClocks();
10533 if (gameMode == PlayFromGameFile) {
10534 if (appData.timeDelay >= 0)
10535 AutoPlayGameLoop();
10536 } else if (gameMode == IcsExamining && pauseExamInvalid) {
10537 Reset(FALSE, TRUE);
10538 SendToICS(ics_prefix);
10539 SendToICS("refresh\n");
10540 } else if (currentMove < forwardMostMove) {
10541 ForwardInner(forwardMostMove);
10543 pauseExamInvalid = FALSE;
10545 switch (gameMode) {
10549 pauseExamForwardMostMove = forwardMostMove;
10550 pauseExamInvalid = FALSE;
10553 case IcsPlayingWhite:
10554 case IcsPlayingBlack:
10558 case PlayFromGameFile:
10559 (void) StopLoadGameTimer();
10563 case BeginningOfGame:
10564 if (appData.icsActive) return;
10565 /* else fall through */
10566 case MachinePlaysWhite:
10567 case MachinePlaysBlack:
10568 case TwoMachinesPlay:
10569 if (forwardMostMove == 0)
10570 return; /* don't pause if no one has moved */
10571 if ((gameMode == MachinePlaysWhite &&
10572 !WhiteOnMove(forwardMostMove)) ||
10573 (gameMode == MachinePlaysBlack &&
10574 WhiteOnMove(forwardMostMove))) {
10587 char title[MSG_SIZ];
10589 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
10590 strcpy(title, _("Edit comment"));
10592 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
10593 WhiteOnMove(currentMove - 1) ? " " : ".. ",
10594 parseList[currentMove - 1]);
10597 EditCommentPopUp(currentMove, title, commentList[currentMove]);
10604 char *tags = PGNTags(&gameInfo);
10605 EditTagsPopUp(tags);
10612 if (appData.noChessProgram || gameMode == AnalyzeMode)
10615 if (gameMode != AnalyzeFile) {
10616 if (!appData.icsEngineAnalyze) {
10618 if (gameMode != EditGame) return;
10620 ResurrectChessProgram();
10621 SendToProgram("analyze\n", &first);
10622 first.analyzing = TRUE;
10623 /*first.maybeThinking = TRUE;*/
10624 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10625 EngineOutputPopUp();
10627 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
10632 StartAnalysisClock();
10633 GetTimeMark(&lastNodeCountTime);
10640 if (appData.noChessProgram || gameMode == AnalyzeFile)
10643 if (gameMode != AnalyzeMode) {
10645 if (gameMode != EditGame) return;
10646 ResurrectChessProgram();
10647 SendToProgram("analyze\n", &first);
10648 first.analyzing = TRUE;
10649 /*first.maybeThinking = TRUE;*/
10650 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10651 EngineOutputPopUp();
10653 gameMode = AnalyzeFile;
10658 StartAnalysisClock();
10659 GetTimeMark(&lastNodeCountTime);
10664 MachineWhiteEvent()
10667 char *bookHit = NULL;
10669 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
10673 if (gameMode == PlayFromGameFile ||
10674 gameMode == TwoMachinesPlay ||
10675 gameMode == Training ||
10676 gameMode == AnalyzeMode ||
10677 gameMode == EndOfGame)
10680 if (gameMode == EditPosition)
10681 EditPositionDone();
10683 if (!WhiteOnMove(currentMove)) {
10684 DisplayError(_("It is not White's turn"), 0);
10688 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10691 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10692 gameMode == AnalyzeFile)
10695 ResurrectChessProgram(); /* in case it isn't running */
10696 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
10697 gameMode = MachinePlaysWhite;
10700 gameMode = MachinePlaysWhite;
10704 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10706 if (first.sendName) {
10707 sprintf(buf, "name %s\n", gameInfo.black);
10708 SendToProgram(buf, &first);
10710 if (first.sendTime) {
10711 if (first.useColors) {
10712 SendToProgram("black\n", &first); /*gnu kludge*/
10714 SendTimeRemaining(&first, TRUE);
10716 if (first.useColors) {
10717 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
10719 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10720 SetMachineThinkingEnables();
10721 first.maybeThinking = TRUE;
10725 if (appData.autoFlipView && !flipView) {
10726 flipView = !flipView;
10727 DrawPosition(FALSE, NULL);
10728 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10731 if(bookHit) { // [HGM] book: simulate book reply
10732 static char bookMove[MSG_SIZ]; // a bit generous?
10734 programStats.nodes = programStats.depth = programStats.time =
10735 programStats.score = programStats.got_only_move = 0;
10736 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10738 strcpy(bookMove, "move ");
10739 strcat(bookMove, bookHit);
10740 HandleMachineMove(bookMove, &first);
10745 MachineBlackEvent()
10748 char *bookHit = NULL;
10750 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
10754 if (gameMode == PlayFromGameFile ||
10755 gameMode == TwoMachinesPlay ||
10756 gameMode == Training ||
10757 gameMode == AnalyzeMode ||
10758 gameMode == EndOfGame)
10761 if (gameMode == EditPosition)
10762 EditPositionDone();
10764 if (WhiteOnMove(currentMove)) {
10765 DisplayError(_("It is not Black's turn"), 0);
10769 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10772 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10773 gameMode == AnalyzeFile)
10776 ResurrectChessProgram(); /* in case it isn't running */
10777 gameMode = MachinePlaysBlack;
10781 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10783 if (first.sendName) {
10784 sprintf(buf, "name %s\n", gameInfo.white);
10785 SendToProgram(buf, &first);
10787 if (first.sendTime) {
10788 if (first.useColors) {
10789 SendToProgram("white\n", &first); /*gnu kludge*/
10791 SendTimeRemaining(&first, FALSE);
10793 if (first.useColors) {
10794 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
10796 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10797 SetMachineThinkingEnables();
10798 first.maybeThinking = TRUE;
10801 if (appData.autoFlipView && flipView) {
10802 flipView = !flipView;
10803 DrawPosition(FALSE, NULL);
10804 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10806 if(bookHit) { // [HGM] book: simulate book reply
10807 static char bookMove[MSG_SIZ]; // a bit generous?
10809 programStats.nodes = programStats.depth = programStats.time =
10810 programStats.score = programStats.got_only_move = 0;
10811 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10813 strcpy(bookMove, "move ");
10814 strcat(bookMove, bookHit);
10815 HandleMachineMove(bookMove, &first);
10821 DisplayTwoMachinesTitle()
10824 if (appData.matchGames > 0) {
10825 if (first.twoMachinesColor[0] == 'w') {
10826 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10827 gameInfo.white, gameInfo.black,
10828 first.matchWins, second.matchWins,
10829 matchGame - 1 - (first.matchWins + second.matchWins));
10831 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10832 gameInfo.white, gameInfo.black,
10833 second.matchWins, first.matchWins,
10834 matchGame - 1 - (first.matchWins + second.matchWins));
10837 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10843 TwoMachinesEvent P((void))
10847 ChessProgramState *onmove;
10848 char *bookHit = NULL;
10850 if (appData.noChessProgram) return;
10852 switch (gameMode) {
10853 case TwoMachinesPlay:
10855 case MachinePlaysWhite:
10856 case MachinePlaysBlack:
10857 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
10858 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
10862 case BeginningOfGame:
10863 case PlayFromGameFile:
10866 if (gameMode != EditGame) return;
10869 EditPositionDone();
10880 forwardMostMove = currentMove;
10881 ResurrectChessProgram(); /* in case first program isn't running */
10883 if (second.pr == NULL) {
10884 StartChessProgram(&second);
10885 if (second.protocolVersion == 1) {
10886 TwoMachinesEventIfReady();
10888 /* kludge: allow timeout for initial "feature" command */
10890 DisplayMessage("", _("Starting second chess program"));
10891 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
10895 DisplayMessage("", "");
10896 InitChessProgram(&second, FALSE);
10897 SendToProgram("force\n", &second);
10898 if (startedFromSetupPosition) {
10899 SendBoard(&second, backwardMostMove);
10900 if (appData.debugMode) {
10901 fprintf(debugFP, "Two Machines\n");
10904 for (i = backwardMostMove; i < forwardMostMove; i++) {
10905 SendMoveToProgram(i, &second);
10908 gameMode = TwoMachinesPlay;
10912 DisplayTwoMachinesTitle();
10914 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
10920 SendToProgram(first.computerString, &first);
10921 if (first.sendName) {
10922 sprintf(buf, "name %s\n", second.tidy);
10923 SendToProgram(buf, &first);
10925 SendToProgram(second.computerString, &second);
10926 if (second.sendName) {
10927 sprintf(buf, "name %s\n", first.tidy);
10928 SendToProgram(buf, &second);
10932 if (!first.sendTime || !second.sendTime) {
10933 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10934 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10936 if (onmove->sendTime) {
10937 if (onmove->useColors) {
10938 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
10940 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
10942 if (onmove->useColors) {
10943 SendToProgram(onmove->twoMachinesColor, onmove);
10945 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
10946 // SendToProgram("go\n", onmove);
10947 onmove->maybeThinking = TRUE;
10948 SetMachineThinkingEnables();
10952 if(bookHit) { // [HGM] book: simulate book reply
10953 static char bookMove[MSG_SIZ]; // a bit generous?
10955 programStats.nodes = programStats.depth = programStats.time =
10956 programStats.score = programStats.got_only_move = 0;
10957 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10959 strcpy(bookMove, "move ");
10960 strcat(bookMove, bookHit);
10961 savedMessage = bookMove; // args for deferred call
10962 savedState = onmove;
10963 ScheduleDelayedEvent(DeferredBookMove, 1);
10970 if (gameMode == Training) {
10971 SetTrainingModeOff();
10972 gameMode = PlayFromGameFile;
10973 DisplayMessage("", _("Training mode off"));
10975 gameMode = Training;
10976 animateTraining = appData.animate;
10978 /* make sure we are not already at the end of the game */
10979 if (currentMove < forwardMostMove) {
10980 SetTrainingModeOn();
10981 DisplayMessage("", _("Training mode on"));
10983 gameMode = PlayFromGameFile;
10984 DisplayError(_("Already at end of game"), 0);
10993 if (!appData.icsActive) return;
10994 switch (gameMode) {
10995 case IcsPlayingWhite:
10996 case IcsPlayingBlack:
10999 case BeginningOfGame:
11007 EditPositionDone();
11020 gameMode = IcsIdle;
11031 switch (gameMode) {
11033 SetTrainingModeOff();
11035 case MachinePlaysWhite:
11036 case MachinePlaysBlack:
11037 case BeginningOfGame:
11038 SendToProgram("force\n", &first);
11039 SetUserThinkingEnables();
11041 case PlayFromGameFile:
11042 (void) StopLoadGameTimer();
11043 if (gameFileFP != NULL) {
11048 EditPositionDone();
11053 SendToProgram("force\n", &first);
11055 case TwoMachinesPlay:
11056 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11057 ResurrectChessProgram();
11058 SetUserThinkingEnables();
11061 ResurrectChessProgram();
11063 case IcsPlayingBlack:
11064 case IcsPlayingWhite:
11065 DisplayError(_("Warning: You are still playing a game"), 0);
11068 DisplayError(_("Warning: You are still observing a game"), 0);
11071 DisplayError(_("Warning: You are still examining a game"), 0);
11082 first.offeredDraw = second.offeredDraw = 0;
11084 if (gameMode == PlayFromGameFile) {
11085 whiteTimeRemaining = timeRemaining[0][currentMove];
11086 blackTimeRemaining = timeRemaining[1][currentMove];
11090 if (gameMode == MachinePlaysWhite ||
11091 gameMode == MachinePlaysBlack ||
11092 gameMode == TwoMachinesPlay ||
11093 gameMode == EndOfGame) {
11094 i = forwardMostMove;
11095 while (i > currentMove) {
11096 SendToProgram("undo\n", &first);
11099 whiteTimeRemaining = timeRemaining[0][currentMove];
11100 blackTimeRemaining = timeRemaining[1][currentMove];
11101 DisplayBothClocks();
11102 if (whiteFlag || blackFlag) {
11103 whiteFlag = blackFlag = 0;
11108 gameMode = EditGame;
11115 EditPositionEvent()
11117 if (gameMode == EditPosition) {
11123 if (gameMode != EditGame) return;
11125 gameMode = EditPosition;
11128 if (currentMove > 0)
11129 CopyBoard(boards[0], boards[currentMove]);
11131 blackPlaysFirst = !WhiteOnMove(currentMove);
11133 currentMove = forwardMostMove = backwardMostMove = 0;
11134 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11141 /* [DM] icsEngineAnalyze - possible call from other functions */
11142 if (appData.icsEngineAnalyze) {
11143 appData.icsEngineAnalyze = FALSE;
11145 DisplayMessage("",_("Close ICS engine analyze..."));
11147 if (first.analysisSupport && first.analyzing) {
11148 SendToProgram("exit\n", &first);
11149 first.analyzing = FALSE;
11151 thinkOutput[0] = NULLCHAR;
11157 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11159 startedFromSetupPosition = TRUE;
11160 InitChessProgram(&first, FALSE);
11161 castlingRights[0][2] = castlingRights[0][5] = BOARD_WIDTH>>1;
11162 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11163 castlingRights[0][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : -1;
11164 castlingRights[0][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : -1;
11165 } else castlingRights[0][2] = -1;
11166 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11167 castlingRights[0][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : -1;
11168 castlingRights[0][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : -1;
11169 } else castlingRights[0][5] = -1;
11170 SendToProgram("force\n", &first);
11171 if (blackPlaysFirst) {
11172 strcpy(moveList[0], "");
11173 strcpy(parseList[0], "");
11174 currentMove = forwardMostMove = backwardMostMove = 1;
11175 CopyBoard(boards[1], boards[0]);
11176 /* [HGM] copy rights as well, as this code is also used after pasting a FEN */
11178 epStatus[1] = epStatus[0];
11179 for(i=0; i<nrCastlingRights; i++) castlingRights[1][i] = castlingRights[0][i];
11182 currentMove = forwardMostMove = backwardMostMove = 0;
11184 SendBoard(&first, forwardMostMove);
11185 if (appData.debugMode) {
11186 fprintf(debugFP, "EditPosDone\n");
11189 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11190 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11191 gameMode = EditGame;
11193 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11194 ClearHighlights(); /* [AS] */
11197 /* Pause for `ms' milliseconds */
11198 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11208 } while (SubtractTimeMarks(&m2, &m1) < ms);
11211 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11213 SendMultiLineToICS(buf)
11216 char temp[MSG_SIZ+1], *p;
11223 strncpy(temp, buf, len);
11228 if (*p == '\n' || *p == '\r')
11233 strcat(temp, "\n");
11235 SendToPlayer(temp, strlen(temp));
11239 SetWhiteToPlayEvent()
11241 if (gameMode == EditPosition) {
11242 blackPlaysFirst = FALSE;
11243 DisplayBothClocks(); /* works because currentMove is 0 */
11244 } else if (gameMode == IcsExamining) {
11245 SendToICS(ics_prefix);
11246 SendToICS("tomove white\n");
11251 SetBlackToPlayEvent()
11253 if (gameMode == EditPosition) {
11254 blackPlaysFirst = TRUE;
11255 currentMove = 1; /* kludge */
11256 DisplayBothClocks();
11258 } else if (gameMode == IcsExamining) {
11259 SendToICS(ics_prefix);
11260 SendToICS("tomove black\n");
11265 EditPositionMenuEvent(selection, x, y)
11266 ChessSquare selection;
11270 ChessSquare piece = boards[0][y][x];
11272 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11274 switch (selection) {
11276 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11277 SendToICS(ics_prefix);
11278 SendToICS("bsetup clear\n");
11279 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11280 SendToICS(ics_prefix);
11281 SendToICS("clearboard\n");
11283 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11284 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11285 for (y = 0; y < BOARD_HEIGHT; y++) {
11286 if (gameMode == IcsExamining) {
11287 if (boards[currentMove][y][x] != EmptySquare) {
11288 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11293 boards[0][y][x] = p;
11298 if (gameMode == EditPosition) {
11299 DrawPosition(FALSE, boards[0]);
11304 SetWhiteToPlayEvent();
11308 SetBlackToPlayEvent();
11312 if (gameMode == IcsExamining) {
11313 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11316 boards[0][y][x] = EmptySquare;
11317 DrawPosition(FALSE, boards[0]);
11322 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11323 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11324 selection = (ChessSquare) (PROMOTED piece);
11325 } else if(piece == EmptySquare) selection = WhiteSilver;
11326 else selection = (ChessSquare)((int)piece - 1);
11330 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11331 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11332 selection = (ChessSquare) (DEMOTED piece);
11333 } else if(piece == EmptySquare) selection = BlackSilver;
11334 else selection = (ChessSquare)((int)piece + 1);
11339 if(gameInfo.variant == VariantShatranj ||
11340 gameInfo.variant == VariantXiangqi ||
11341 gameInfo.variant == VariantCourier )
11342 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11347 if(gameInfo.variant == VariantXiangqi)
11348 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11349 if(gameInfo.variant == VariantKnightmate)
11350 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11353 if (gameMode == IcsExamining) {
11354 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11355 PieceToChar(selection), AAA + x, ONE + y);
11358 boards[0][y][x] = selection;
11359 DrawPosition(FALSE, boards[0]);
11367 DropMenuEvent(selection, x, y)
11368 ChessSquare selection;
11371 ChessMove moveType;
11373 switch (gameMode) {
11374 case IcsPlayingWhite:
11375 case MachinePlaysBlack:
11376 if (!WhiteOnMove(currentMove)) {
11377 DisplayMoveError(_("It is Black's turn"));
11380 moveType = WhiteDrop;
11382 case IcsPlayingBlack:
11383 case MachinePlaysWhite:
11384 if (WhiteOnMove(currentMove)) {
11385 DisplayMoveError(_("It is White's turn"));
11388 moveType = BlackDrop;
11391 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
11397 if (moveType == BlackDrop && selection < BlackPawn) {
11398 selection = (ChessSquare) ((int) selection
11399 + (int) BlackPawn - (int) WhitePawn);
11401 if (boards[currentMove][y][x] != EmptySquare) {
11402 DisplayMoveError(_("That square is occupied"));
11406 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
11412 /* Accept a pending offer of any kind from opponent */
11414 if (appData.icsActive) {
11415 SendToICS(ics_prefix);
11416 SendToICS("accept\n");
11417 } else if (cmailMsgLoaded) {
11418 if (currentMove == cmailOldMove &&
11419 commentList[cmailOldMove] != NULL &&
11420 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11421 "Black offers a draw" : "White offers a draw")) {
11423 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11424 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11426 DisplayError(_("There is no pending offer on this move"), 0);
11427 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11430 /* Not used for offers from chess program */
11437 /* Decline a pending offer of any kind from opponent */
11439 if (appData.icsActive) {
11440 SendToICS(ics_prefix);
11441 SendToICS("decline\n");
11442 } else if (cmailMsgLoaded) {
11443 if (currentMove == cmailOldMove &&
11444 commentList[cmailOldMove] != NULL &&
11445 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11446 "Black offers a draw" : "White offers a draw")) {
11448 AppendComment(cmailOldMove, "Draw declined");
11449 DisplayComment(cmailOldMove - 1, "Draw declined");
11452 DisplayError(_("There is no pending offer on this move"), 0);
11455 /* Not used for offers from chess program */
11462 /* Issue ICS rematch command */
11463 if (appData.icsActive) {
11464 SendToICS(ics_prefix);
11465 SendToICS("rematch\n");
11472 /* Call your opponent's flag (claim a win on time) */
11473 if (appData.icsActive) {
11474 SendToICS(ics_prefix);
11475 SendToICS("flag\n");
11477 switch (gameMode) {
11480 case MachinePlaysWhite:
11483 GameEnds(GameIsDrawn, "Both players ran out of time",
11486 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
11488 DisplayError(_("Your opponent is not out of time"), 0);
11491 case MachinePlaysBlack:
11494 GameEnds(GameIsDrawn, "Both players ran out of time",
11497 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
11499 DisplayError(_("Your opponent is not out of time"), 0);
11509 /* Offer draw or accept pending draw offer from opponent */
11511 if (appData.icsActive) {
11512 /* Note: tournament rules require draw offers to be
11513 made after you make your move but before you punch
11514 your clock. Currently ICS doesn't let you do that;
11515 instead, you immediately punch your clock after making
11516 a move, but you can offer a draw at any time. */
11518 SendToICS(ics_prefix);
11519 SendToICS("draw\n");
11520 } else if (cmailMsgLoaded) {
11521 if (currentMove == cmailOldMove &&
11522 commentList[cmailOldMove] != NULL &&
11523 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11524 "Black offers a draw" : "White offers a draw")) {
11525 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11526 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11527 } else if (currentMove == cmailOldMove + 1) {
11528 char *offer = WhiteOnMove(cmailOldMove) ?
11529 "White offers a draw" : "Black offers a draw";
11530 AppendComment(currentMove, offer);
11531 DisplayComment(currentMove - 1, offer);
11532 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
11534 DisplayError(_("You must make your move before offering a draw"), 0);
11535 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11537 } else if (first.offeredDraw) {
11538 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
11540 if (first.sendDrawOffers) {
11541 SendToProgram("draw\n", &first);
11542 userOfferedDraw = TRUE;
11550 /* Offer Adjourn or accept pending Adjourn offer from opponent */
11552 if (appData.icsActive) {
11553 SendToICS(ics_prefix);
11554 SendToICS("adjourn\n");
11556 /* Currently GNU Chess doesn't offer or accept Adjourns */
11564 /* Offer Abort or accept pending Abort offer from opponent */
11566 if (appData.icsActive) {
11567 SendToICS(ics_prefix);
11568 SendToICS("abort\n");
11570 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
11577 /* Resign. You can do this even if it's not your turn. */
11579 if (appData.icsActive) {
11580 SendToICS(ics_prefix);
11581 SendToICS("resign\n");
11583 switch (gameMode) {
11584 case MachinePlaysWhite:
11585 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11587 case MachinePlaysBlack:
11588 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11591 if (cmailMsgLoaded) {
11593 if (WhiteOnMove(cmailOldMove)) {
11594 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11596 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11598 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
11609 StopObservingEvent()
11611 /* Stop observing current games */
11612 SendToICS(ics_prefix);
11613 SendToICS("unobserve\n");
11617 StopExaminingEvent()
11619 /* Stop observing current game */
11620 SendToICS(ics_prefix);
11621 SendToICS("unexamine\n");
11625 ForwardInner(target)
11630 if (appData.debugMode)
11631 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
11632 target, currentMove, forwardMostMove);
11634 if (gameMode == EditPosition)
11637 if (gameMode == PlayFromGameFile && !pausing)
11640 if (gameMode == IcsExamining && pausing)
11641 limit = pauseExamForwardMostMove;
11643 limit = forwardMostMove;
11645 if (target > limit) target = limit;
11647 if (target > 0 && moveList[target - 1][0]) {
11648 int fromX, fromY, toX, toY;
11649 toX = moveList[target - 1][2] - AAA;
11650 toY = moveList[target - 1][3] - ONE;
11651 if (moveList[target - 1][1] == '@') {
11652 if (appData.highlightLastMove) {
11653 SetHighlights(-1, -1, toX, toY);
11656 fromX = moveList[target - 1][0] - AAA;
11657 fromY = moveList[target - 1][1] - ONE;
11658 if (target == currentMove + 1) {
11659 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11661 if (appData.highlightLastMove) {
11662 SetHighlights(fromX, fromY, toX, toY);
11666 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11667 gameMode == Training || gameMode == PlayFromGameFile ||
11668 gameMode == AnalyzeFile) {
11669 while (currentMove < target) {
11670 SendMoveToProgram(currentMove++, &first);
11673 currentMove = target;
11676 if (gameMode == EditGame || gameMode == EndOfGame) {
11677 whiteTimeRemaining = timeRemaining[0][currentMove];
11678 blackTimeRemaining = timeRemaining[1][currentMove];
11680 DisplayBothClocks();
11681 DisplayMove(currentMove - 1);
11682 DrawPosition(FALSE, boards[currentMove]);
11683 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11684 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
11685 DisplayComment(currentMove - 1, commentList[currentMove]);
11693 if (gameMode == IcsExamining && !pausing) {
11694 SendToICS(ics_prefix);
11695 SendToICS("forward\n");
11697 ForwardInner(currentMove + 1);
11704 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11705 /* to optimze, we temporarily turn off analysis mode while we feed
11706 * the remaining moves to the engine. Otherwise we get analysis output
11709 if (first.analysisSupport) {
11710 SendToProgram("exit\nforce\n", &first);
11711 first.analyzing = FALSE;
11715 if (gameMode == IcsExamining && !pausing) {
11716 SendToICS(ics_prefix);
11717 SendToICS("forward 999999\n");
11719 ForwardInner(forwardMostMove);
11722 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11723 /* we have fed all the moves, so reactivate analysis mode */
11724 SendToProgram("analyze\n", &first);
11725 first.analyzing = TRUE;
11726 /*first.maybeThinking = TRUE;*/
11727 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11732 BackwardInner(target)
11735 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
11737 if (appData.debugMode)
11738 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
11739 target, currentMove, forwardMostMove);
11741 if (gameMode == EditPosition) return;
11742 if (currentMove <= backwardMostMove) {
11744 DrawPosition(full_redraw, boards[currentMove]);
11747 if (gameMode == PlayFromGameFile && !pausing)
11750 if (moveList[target][0]) {
11751 int fromX, fromY, toX, toY;
11752 toX = moveList[target][2] - AAA;
11753 toY = moveList[target][3] - ONE;
11754 if (moveList[target][1] == '@') {
11755 if (appData.highlightLastMove) {
11756 SetHighlights(-1, -1, toX, toY);
11759 fromX = moveList[target][0] - AAA;
11760 fromY = moveList[target][1] - ONE;
11761 if (target == currentMove - 1) {
11762 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
11764 if (appData.highlightLastMove) {
11765 SetHighlights(fromX, fromY, toX, toY);
11769 if (gameMode == EditGame || gameMode==AnalyzeMode ||
11770 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
11771 while (currentMove > target) {
11772 SendToProgram("undo\n", &first);
11776 currentMove = target;
11779 if (gameMode == EditGame || gameMode == EndOfGame) {
11780 whiteTimeRemaining = timeRemaining[0][currentMove];
11781 blackTimeRemaining = timeRemaining[1][currentMove];
11783 DisplayBothClocks();
11784 DisplayMove(currentMove - 1);
11785 DrawPosition(full_redraw, boards[currentMove]);
11786 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11787 // [HGM] PV info: routine tests if comment empty
11788 DisplayComment(currentMove - 1, commentList[currentMove]);
11794 if (gameMode == IcsExamining && !pausing) {
11795 SendToICS(ics_prefix);
11796 SendToICS("backward\n");
11798 BackwardInner(currentMove - 1);
11805 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11806 /* to optimze, we temporarily turn off analysis mode while we undo
11807 * all the moves. Otherwise we get analysis output after each undo.
11809 if (first.analysisSupport) {
11810 SendToProgram("exit\nforce\n", &first);
11811 first.analyzing = FALSE;
11815 if (gameMode == IcsExamining && !pausing) {
11816 SendToICS(ics_prefix);
11817 SendToICS("backward 999999\n");
11819 BackwardInner(backwardMostMove);
11822 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11823 /* we have fed all the moves, so reactivate analysis mode */
11824 SendToProgram("analyze\n", &first);
11825 first.analyzing = TRUE;
11826 /*first.maybeThinking = TRUE;*/
11827 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11834 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
11835 if (to >= forwardMostMove) to = forwardMostMove;
11836 if (to <= backwardMostMove) to = backwardMostMove;
11837 if (to < currentMove) {
11847 if (gameMode != IcsExamining) {
11848 DisplayError(_("You are not examining a game"), 0);
11852 DisplayError(_("You can't revert while pausing"), 0);
11855 SendToICS(ics_prefix);
11856 SendToICS("revert\n");
11862 switch (gameMode) {
11863 case MachinePlaysWhite:
11864 case MachinePlaysBlack:
11865 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11866 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11869 if (forwardMostMove < 2) return;
11870 currentMove = forwardMostMove = forwardMostMove - 2;
11871 whiteTimeRemaining = timeRemaining[0][currentMove];
11872 blackTimeRemaining = timeRemaining[1][currentMove];
11873 DisplayBothClocks();
11874 DisplayMove(currentMove - 1);
11875 ClearHighlights();/*!! could figure this out*/
11876 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
11877 SendToProgram("remove\n", &first);
11878 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
11881 case BeginningOfGame:
11885 case IcsPlayingWhite:
11886 case IcsPlayingBlack:
11887 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
11888 SendToICS(ics_prefix);
11889 SendToICS("takeback 2\n");
11891 SendToICS(ics_prefix);
11892 SendToICS("takeback 1\n");
11901 ChessProgramState *cps;
11903 switch (gameMode) {
11904 case MachinePlaysWhite:
11905 if (!WhiteOnMove(forwardMostMove)) {
11906 DisplayError(_("It is your turn"), 0);
11911 case MachinePlaysBlack:
11912 if (WhiteOnMove(forwardMostMove)) {
11913 DisplayError(_("It is your turn"), 0);
11918 case TwoMachinesPlay:
11919 if (WhiteOnMove(forwardMostMove) ==
11920 (first.twoMachinesColor[0] == 'w')) {
11926 case BeginningOfGame:
11930 SendToProgram("?\n", cps);
11934 TruncateGameEvent()
11937 if (gameMode != EditGame) return;
11944 if (forwardMostMove > currentMove) {
11945 if (gameInfo.resultDetails != NULL) {
11946 free(gameInfo.resultDetails);
11947 gameInfo.resultDetails = NULL;
11948 gameInfo.result = GameUnfinished;
11950 forwardMostMove = currentMove;
11951 HistorySet(parseList, backwardMostMove, forwardMostMove,
11959 if (appData.noChessProgram) return;
11960 switch (gameMode) {
11961 case MachinePlaysWhite:
11962 if (WhiteOnMove(forwardMostMove)) {
11963 DisplayError(_("Wait until your turn"), 0);
11967 case BeginningOfGame:
11968 case MachinePlaysBlack:
11969 if (!WhiteOnMove(forwardMostMove)) {
11970 DisplayError(_("Wait until your turn"), 0);
11975 DisplayError(_("No hint available"), 0);
11978 SendToProgram("hint\n", &first);
11979 hintRequested = TRUE;
11985 if (appData.noChessProgram) return;
11986 switch (gameMode) {
11987 case MachinePlaysWhite:
11988 if (WhiteOnMove(forwardMostMove)) {
11989 DisplayError(_("Wait until your turn"), 0);
11993 case BeginningOfGame:
11994 case MachinePlaysBlack:
11995 if (!WhiteOnMove(forwardMostMove)) {
11996 DisplayError(_("Wait until your turn"), 0);
12001 EditPositionDone();
12003 case TwoMachinesPlay:
12008 SendToProgram("bk\n", &first);
12009 bookOutput[0] = NULLCHAR;
12010 bookRequested = TRUE;
12016 char *tags = PGNTags(&gameInfo);
12017 TagsPopUp(tags, CmailMsg());
12021 /* end button procedures */
12024 PrintPosition(fp, move)
12030 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12031 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12032 char c = PieceToChar(boards[move][i][j]);
12033 fputc(c == 'x' ? '.' : c, fp);
12034 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12037 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12038 fprintf(fp, "white to play\n");
12040 fprintf(fp, "black to play\n");
12047 if (gameInfo.white != NULL) {
12048 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12054 /* Find last component of program's own name, using some heuristics */
12056 TidyProgramName(prog, host, buf)
12057 char *prog, *host, buf[MSG_SIZ];
12060 int local = (strcmp(host, "localhost") == 0);
12061 while (!local && (p = strchr(prog, ';')) != NULL) {
12063 while (*p == ' ') p++;
12066 if (*prog == '"' || *prog == '\'') {
12067 q = strchr(prog + 1, *prog);
12069 q = strchr(prog, ' ');
12071 if (q == NULL) q = prog + strlen(prog);
12073 while (p >= prog && *p != '/' && *p != '\\') p--;
12075 if(p == prog && *p == '"') p++;
12076 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12077 memcpy(buf, p, q - p);
12078 buf[q - p] = NULLCHAR;
12086 TimeControlTagValue()
12089 if (!appData.clockMode) {
12091 } else if (movesPerSession > 0) {
12092 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12093 } else if (timeIncrement == 0) {
12094 sprintf(buf, "%ld", timeControl/1000);
12096 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12098 return StrSave(buf);
12104 /* This routine is used only for certain modes */
12105 VariantClass v = gameInfo.variant;
12106 ClearGameInfo(&gameInfo);
12107 gameInfo.variant = v;
12109 switch (gameMode) {
12110 case MachinePlaysWhite:
12111 gameInfo.event = StrSave( appData.pgnEventHeader );
12112 gameInfo.site = StrSave(HostName());
12113 gameInfo.date = PGNDate();
12114 gameInfo.round = StrSave("-");
12115 gameInfo.white = StrSave(first.tidy);
12116 gameInfo.black = StrSave(UserName());
12117 gameInfo.timeControl = TimeControlTagValue();
12120 case MachinePlaysBlack:
12121 gameInfo.event = StrSave( appData.pgnEventHeader );
12122 gameInfo.site = StrSave(HostName());
12123 gameInfo.date = PGNDate();
12124 gameInfo.round = StrSave("-");
12125 gameInfo.white = StrSave(UserName());
12126 gameInfo.black = StrSave(first.tidy);
12127 gameInfo.timeControl = TimeControlTagValue();
12130 case TwoMachinesPlay:
12131 gameInfo.event = StrSave( appData.pgnEventHeader );
12132 gameInfo.site = StrSave(HostName());
12133 gameInfo.date = PGNDate();
12134 if (matchGame > 0) {
12136 sprintf(buf, "%d", matchGame);
12137 gameInfo.round = StrSave(buf);
12139 gameInfo.round = StrSave("-");
12141 if (first.twoMachinesColor[0] == 'w') {
12142 gameInfo.white = StrSave(first.tidy);
12143 gameInfo.black = StrSave(second.tidy);
12145 gameInfo.white = StrSave(second.tidy);
12146 gameInfo.black = StrSave(first.tidy);
12148 gameInfo.timeControl = TimeControlTagValue();
12152 gameInfo.event = StrSave("Edited game");
12153 gameInfo.site = StrSave(HostName());
12154 gameInfo.date = PGNDate();
12155 gameInfo.round = StrSave("-");
12156 gameInfo.white = StrSave("-");
12157 gameInfo.black = StrSave("-");
12161 gameInfo.event = StrSave("Edited position");
12162 gameInfo.site = StrSave(HostName());
12163 gameInfo.date = PGNDate();
12164 gameInfo.round = StrSave("-");
12165 gameInfo.white = StrSave("-");
12166 gameInfo.black = StrSave("-");
12169 case IcsPlayingWhite:
12170 case IcsPlayingBlack:
12175 case PlayFromGameFile:
12176 gameInfo.event = StrSave("Game from non-PGN file");
12177 gameInfo.site = StrSave(HostName());
12178 gameInfo.date = PGNDate();
12179 gameInfo.round = StrSave("-");
12180 gameInfo.white = StrSave("?");
12181 gameInfo.black = StrSave("?");
12190 ReplaceComment(index, text)
12196 while (*text == '\n') text++;
12197 len = strlen(text);
12198 while (len > 0 && text[len - 1] == '\n') len--;
12200 if (commentList[index] != NULL)
12201 free(commentList[index]);
12204 commentList[index] = NULL;
12207 commentList[index] = (char *) malloc(len + 2);
12208 strncpy(commentList[index], text, len);
12209 commentList[index][len] = '\n';
12210 commentList[index][len + 1] = NULLCHAR;
12223 if (ch == '\r') continue;
12225 } while (ch != '\0');
12229 AppendComment(index, text)
12236 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12239 while (*text == '\n') text++;
12240 len = strlen(text);
12241 while (len > 0 && text[len - 1] == '\n') len--;
12243 if (len == 0) return;
12245 if (commentList[index] != NULL) {
12246 old = commentList[index];
12247 oldlen = strlen(old);
12248 commentList[index] = (char *) malloc(oldlen + len + 2);
12249 strcpy(commentList[index], old);
12251 strncpy(&commentList[index][oldlen], text, len);
12252 commentList[index][oldlen + len] = '\n';
12253 commentList[index][oldlen + len + 1] = NULLCHAR;
12255 commentList[index] = (char *) malloc(len + 2);
12256 strncpy(commentList[index], text, len);
12257 commentList[index][len] = '\n';
12258 commentList[index][len + 1] = NULLCHAR;
12262 static char * FindStr( char * text, char * sub_text )
12264 char * result = strstr( text, sub_text );
12266 if( result != NULL ) {
12267 result += strlen( sub_text );
12273 /* [AS] Try to extract PV info from PGN comment */
12274 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12275 char *GetInfoFromComment( int index, char * text )
12279 if( text != NULL && index > 0 ) {
12282 int time = -1, sec = 0, deci;
12283 char * s_eval = FindStr( text, "[%eval " );
12284 char * s_emt = FindStr( text, "[%emt " );
12286 if( s_eval != NULL || s_emt != NULL ) {
12290 if( s_eval != NULL ) {
12291 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12295 if( delim != ']' ) {
12300 if( s_emt != NULL ) {
12304 /* We expect something like: [+|-]nnn.nn/dd */
12307 sep = strchr( text, '/' );
12308 if( sep == NULL || sep < (text+4) ) {
12312 time = -1; sec = -1; deci = -1;
12313 if( sscanf( text, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12314 sscanf( text, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12315 sscanf( text, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12316 sscanf( text, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12320 if( score_lo < 0 || score_lo >= 100 ) {
12324 if(sec >= 0) time = 600*time + 10*sec; else
12325 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12327 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12329 /* [HGM] PV time: now locate end of PV info */
12330 while( *++sep >= '0' && *sep <= '9'); // strip depth
12332 while( *++sep >= '0' && *sep <= '9'); // strip time
12334 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12336 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12337 while(*sep == ' ') sep++;
12348 pvInfoList[index-1].depth = depth;
12349 pvInfoList[index-1].score = score;
12350 pvInfoList[index-1].time = 10*time; // centi-sec
12356 SendToProgram(message, cps)
12358 ChessProgramState *cps;
12360 int count, outCount, error;
12363 if (cps->pr == NULL) return;
12366 if (appData.debugMode) {
12369 fprintf(debugFP, "%ld >%-6s: %s",
12370 SubtractTimeMarks(&now, &programStartTime),
12371 cps->which, message);
12374 count = strlen(message);
12375 outCount = OutputToProcess(cps->pr, message, count, &error);
12376 if (outCount < count && !exiting
12377 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
12378 sprintf(buf, _("Error writing to %s chess program"), cps->which);
12379 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12380 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12381 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12382 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
12384 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12386 gameInfo.resultDetails = buf;
12388 DisplayFatalError(buf, error, 1);
12393 ReceiveFromProgram(isr, closure, message, count, error)
12394 InputSourceRef isr;
12402 ChessProgramState *cps = (ChessProgramState *)closure;
12404 if (isr != cps->isr) return; /* Killed intentionally */
12408 _("Error: %s chess program (%s) exited unexpectedly"),
12409 cps->which, cps->program);
12410 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12411 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12412 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12413 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
12415 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12417 gameInfo.resultDetails = buf;
12419 RemoveInputSource(cps->isr);
12420 DisplayFatalError(buf, 0, 1);
12423 _("Error reading from %s chess program (%s)"),
12424 cps->which, cps->program);
12425 RemoveInputSource(cps->isr);
12427 /* [AS] Program is misbehaving badly... kill it */
12428 if( count == -2 ) {
12429 DestroyChildProcess( cps->pr, 9 );
12433 DisplayFatalError(buf, error, 1);
12438 if ((end_str = strchr(message, '\r')) != NULL)
12439 *end_str = NULLCHAR;
12440 if ((end_str = strchr(message, '\n')) != NULL)
12441 *end_str = NULLCHAR;
12443 if (appData.debugMode) {
12444 TimeMark now; int print = 1;
12445 char *quote = ""; char c; int i;
12447 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
12448 char start = message[0];
12449 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
12450 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
12451 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
12452 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
12453 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
12454 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
12455 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
12456 sscanf(message, "pong %c", &c)!=1 && start != '#')
12457 { quote = "# "; print = (appData.engineComments == 2); }
12458 message[0] = start; // restore original message
12462 fprintf(debugFP, "%ld <%-6s: %s%s\n",
12463 SubtractTimeMarks(&now, &programStartTime), cps->which,
12469 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
12470 if (appData.icsEngineAnalyze) {
12471 if (strstr(message, "whisper") != NULL ||
12472 strstr(message, "kibitz") != NULL ||
12473 strstr(message, "tellics") != NULL) return;
12476 HandleMachineMove(message, cps);
12481 SendTimeControl(cps, mps, tc, inc, sd, st)
12482 ChessProgramState *cps;
12483 int mps, inc, sd, st;
12489 if( timeControl_2 > 0 ) {
12490 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
12491 tc = timeControl_2;
12494 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
12495 inc /= cps->timeOdds;
12496 st /= cps->timeOdds;
12498 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
12501 /* Set exact time per move, normally using st command */
12502 if (cps->stKludge) {
12503 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
12505 if (seconds == 0) {
12506 sprintf(buf, "level 1 %d\n", st/60);
12508 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
12511 sprintf(buf, "st %d\n", st);
12514 /* Set conventional or incremental time control, using level command */
12515 if (seconds == 0) {
12516 /* Note old gnuchess bug -- minutes:seconds used to not work.
12517 Fixed in later versions, but still avoid :seconds
12518 when seconds is 0. */
12519 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
12521 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
12522 seconds, inc/1000);
12525 SendToProgram(buf, cps);
12527 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
12528 /* Orthogonally, limit search to given depth */
12530 if (cps->sdKludge) {
12531 sprintf(buf, "depth\n%d\n", sd);
12533 sprintf(buf, "sd %d\n", sd);
12535 SendToProgram(buf, cps);
12538 if(cps->nps > 0) { /* [HGM] nps */
12539 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
12541 sprintf(buf, "nps %d\n", cps->nps);
12542 SendToProgram(buf, cps);
12547 ChessProgramState *WhitePlayer()
12548 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
12550 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
12551 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
12557 SendTimeRemaining(cps, machineWhite)
12558 ChessProgramState *cps;
12559 int /*boolean*/ machineWhite;
12561 char message[MSG_SIZ];
12564 /* Note: this routine must be called when the clocks are stopped
12565 or when they have *just* been set or switched; otherwise
12566 it will be off by the time since the current tick started.
12568 if (machineWhite) {
12569 time = whiteTimeRemaining / 10;
12570 otime = blackTimeRemaining / 10;
12572 time = blackTimeRemaining / 10;
12573 otime = whiteTimeRemaining / 10;
12575 /* [HGM] translate opponent's time by time-odds factor */
12576 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
12577 if (appData.debugMode) {
12578 fprintf(debugFP, "time odds: %d %d \n", cps->timeOdds, cps->other->timeOdds);
12581 if (time <= 0) time = 1;
12582 if (otime <= 0) otime = 1;
12584 sprintf(message, "time %ld\n", time);
12585 SendToProgram(message, cps);
12587 sprintf(message, "otim %ld\n", otime);
12588 SendToProgram(message, cps);
12592 BoolFeature(p, name, loc, cps)
12596 ChessProgramState *cps;
12599 int len = strlen(name);
12601 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12603 sscanf(*p, "%d", &val);
12605 while (**p && **p != ' ') (*p)++;
12606 sprintf(buf, "accepted %s\n", name);
12607 SendToProgram(buf, cps);
12614 IntFeature(p, name, loc, cps)
12618 ChessProgramState *cps;
12621 int len = strlen(name);
12622 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12624 sscanf(*p, "%d", loc);
12625 while (**p && **p != ' ') (*p)++;
12626 sprintf(buf, "accepted %s\n", name);
12627 SendToProgram(buf, cps);
12634 StringFeature(p, name, loc, cps)
12638 ChessProgramState *cps;
12641 int len = strlen(name);
12642 if (strncmp((*p), name, len) == 0
12643 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
12645 sscanf(*p, "%[^\"]", loc);
12646 while (**p && **p != '\"') (*p)++;
12647 if (**p == '\"') (*p)++;
12648 sprintf(buf, "accepted %s\n", name);
12649 SendToProgram(buf, cps);
12656 ParseOption(Option *opt, ChessProgramState *cps)
12657 // [HGM] options: process the string that defines an engine option, and determine
12658 // name, type, default value, and allowed value range
12660 char *p, *q, buf[MSG_SIZ];
12661 int n, min = (-1)<<31, max = 1<<31, def;
12663 if(p = strstr(opt->name, " -spin ")) {
12664 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12665 if(max < min) max = min; // enforce consistency
12666 if(def < min) def = min;
12667 if(def > max) def = max;
12672 } else if((p = strstr(opt->name, " -slider "))) {
12673 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
12674 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12675 if(max < min) max = min; // enforce consistency
12676 if(def < min) def = min;
12677 if(def > max) def = max;
12681 opt->type = Spin; // Slider;
12682 } else if((p = strstr(opt->name, " -string "))) {
12683 opt->textValue = p+9;
12684 opt->type = TextBox;
12685 } else if((p = strstr(opt->name, " -file "))) {
12686 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12687 opt->textValue = p+7;
12688 opt->type = TextBox; // FileName;
12689 } else if((p = strstr(opt->name, " -path "))) {
12690 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12691 opt->textValue = p+7;
12692 opt->type = TextBox; // PathName;
12693 } else if(p = strstr(opt->name, " -check ")) {
12694 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
12695 opt->value = (def != 0);
12696 opt->type = CheckBox;
12697 } else if(p = strstr(opt->name, " -combo ")) {
12698 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
12699 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
12700 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
12701 opt->value = n = 0;
12702 while(q = StrStr(q, " /// ")) {
12703 n++; *q = 0; // count choices, and null-terminate each of them
12705 if(*q == '*') { // remember default, which is marked with * prefix
12709 cps->comboList[cps->comboCnt++] = q;
12711 cps->comboList[cps->comboCnt++] = NULL;
12713 opt->type = ComboBox;
12714 } else if(p = strstr(opt->name, " -button")) {
12715 opt->type = Button;
12716 } else if(p = strstr(opt->name, " -save")) {
12717 opt->type = SaveButton;
12718 } else return FALSE;
12719 *p = 0; // terminate option name
12720 // now look if the command-line options define a setting for this engine option.
12721 if(cps->optionSettings && cps->optionSettings[0])
12722 p = strstr(cps->optionSettings, opt->name); else p = NULL;
12723 if(p && (p == cps->optionSettings || p[-1] == ',')) {
12724 sprintf(buf, "option %s", p);
12725 if(p = strstr(buf, ",")) *p = 0;
12727 SendToProgram(buf, cps);
12733 FeatureDone(cps, val)
12734 ChessProgramState* cps;
12737 DelayedEventCallback cb = GetDelayedEvent();
12738 if ((cb == InitBackEnd3 && cps == &first) ||
12739 (cb == TwoMachinesEventIfReady && cps == &second)) {
12740 CancelDelayedEvent();
12741 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
12743 cps->initDone = val;
12746 /* Parse feature command from engine */
12748 ParseFeatures(args, cps)
12750 ChessProgramState *cps;
12758 while (*p == ' ') p++;
12759 if (*p == NULLCHAR) return;
12761 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
12762 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
12763 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
12764 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
12765 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
12766 if (BoolFeature(&p, "reuse", &val, cps)) {
12767 /* Engine can disable reuse, but can't enable it if user said no */
12768 if (!val) cps->reuse = FALSE;
12771 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
12772 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
12773 if (gameMode == TwoMachinesPlay) {
12774 DisplayTwoMachinesTitle();
12780 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
12781 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
12782 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
12783 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
12784 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
12785 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
12786 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
12787 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
12788 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
12789 if (IntFeature(&p, "done", &val, cps)) {
12790 FeatureDone(cps, val);
12793 /* Added by Tord: */
12794 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
12795 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
12796 /* End of additions by Tord */
12798 /* [HGM] added features: */
12799 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
12800 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
12801 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
12802 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
12803 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12804 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
12805 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
12806 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
12807 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
12808 SendToProgram(buf, cps);
12811 if(cps->nrOptions >= MAX_OPTIONS) {
12813 sprintf(buf, "%s engine has too many options\n", cps->which);
12814 DisplayError(buf, 0);
12818 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12819 /* End of additions by HGM */
12821 /* unknown feature: complain and skip */
12823 while (*q && *q != '=') q++;
12824 sprintf(buf, "rejected %.*s\n", q-p, p);
12825 SendToProgram(buf, cps);
12831 while (*p && *p != '\"') p++;
12832 if (*p == '\"') p++;
12834 while (*p && *p != ' ') p++;
12842 PeriodicUpdatesEvent(newState)
12845 if (newState == appData.periodicUpdates)
12848 appData.periodicUpdates=newState;
12850 /* Display type changes, so update it now */
12851 // DisplayAnalysis();
12853 /* Get the ball rolling again... */
12855 AnalysisPeriodicEvent(1);
12856 StartAnalysisClock();
12861 PonderNextMoveEvent(newState)
12864 if (newState == appData.ponderNextMove) return;
12865 if (gameMode == EditPosition) EditPositionDone();
12867 SendToProgram("hard\n", &first);
12868 if (gameMode == TwoMachinesPlay) {
12869 SendToProgram("hard\n", &second);
12872 SendToProgram("easy\n", &first);
12873 thinkOutput[0] = NULLCHAR;
12874 if (gameMode == TwoMachinesPlay) {
12875 SendToProgram("easy\n", &second);
12878 appData.ponderNextMove = newState;
12882 NewSettingEvent(option, command, value)
12888 if (gameMode == EditPosition) EditPositionDone();
12889 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
12890 SendToProgram(buf, &first);
12891 if (gameMode == TwoMachinesPlay) {
12892 SendToProgram(buf, &second);
12897 ShowThinkingEvent()
12898 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
12900 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
12901 int newState = appData.showThinking
12902 // [HGM] thinking: other features now need thinking output as well
12903 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
12905 if (oldState == newState) return;
12906 oldState = newState;
12907 if (gameMode == EditPosition) EditPositionDone();
12909 SendToProgram("post\n", &first);
12910 if (gameMode == TwoMachinesPlay) {
12911 SendToProgram("post\n", &second);
12914 SendToProgram("nopost\n", &first);
12915 thinkOutput[0] = NULLCHAR;
12916 if (gameMode == TwoMachinesPlay) {
12917 SendToProgram("nopost\n", &second);
12920 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
12924 AskQuestionEvent(title, question, replyPrefix, which)
12925 char *title; char *question; char *replyPrefix; char *which;
12927 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
12928 if (pr == NoProc) return;
12929 AskQuestion(title, question, replyPrefix, pr);
12933 DisplayMove(moveNumber)
12936 char message[MSG_SIZ];
12938 char cpThinkOutput[MSG_SIZ];
12940 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
12942 if (moveNumber == forwardMostMove - 1 ||
12943 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12945 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
12947 if (strchr(cpThinkOutput, '\n')) {
12948 *strchr(cpThinkOutput, '\n') = NULLCHAR;
12951 *cpThinkOutput = NULLCHAR;
12954 /* [AS] Hide thinking from human user */
12955 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
12956 *cpThinkOutput = NULLCHAR;
12957 if( thinkOutput[0] != NULLCHAR ) {
12960 for( i=0; i<=hiddenThinkOutputState; i++ ) {
12961 cpThinkOutput[i] = '.';
12963 cpThinkOutput[i] = NULLCHAR;
12964 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
12968 if (moveNumber == forwardMostMove - 1 &&
12969 gameInfo.resultDetails != NULL) {
12970 if (gameInfo.resultDetails[0] == NULLCHAR) {
12971 sprintf(res, " %s", PGNResult(gameInfo.result));
12973 sprintf(res, " {%s} %s",
12974 gameInfo.resultDetails, PGNResult(gameInfo.result));
12980 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
12981 DisplayMessage(res, cpThinkOutput);
12983 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
12984 WhiteOnMove(moveNumber) ? " " : ".. ",
12985 parseList[moveNumber], res);
12986 DisplayMessage(message, cpThinkOutput);
12991 DisplayComment(moveNumber, text)
12995 char title[MSG_SIZ];
12996 char buf[8000]; // comment can be long!
12999 if( appData.autoDisplayComment ) {
13000 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13001 strcpy(title, "Comment");
13003 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13004 WhiteOnMove(moveNumber) ? " " : ".. ",
13005 parseList[moveNumber]);
13007 // [HGM] PV info: display PV info together with (or as) comment
13008 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13009 if(text == NULL) text = "";
13010 score = pvInfoList[moveNumber].score;
13011 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13012 depth, (pvInfoList[moveNumber].time+50)/100, text);
13015 } else title[0] = 0;
13018 CommentPopUp(title, text);
13021 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13022 * might be busy thinking or pondering. It can be omitted if your
13023 * gnuchess is configured to stop thinking immediately on any user
13024 * input. However, that gnuchess feature depends on the FIONREAD
13025 * ioctl, which does not work properly on some flavors of Unix.
13029 ChessProgramState *cps;
13032 if (!cps->useSigint) return;
13033 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13034 switch (gameMode) {
13035 case MachinePlaysWhite:
13036 case MachinePlaysBlack:
13037 case TwoMachinesPlay:
13038 case IcsPlayingWhite:
13039 case IcsPlayingBlack:
13042 /* Skip if we know it isn't thinking */
13043 if (!cps->maybeThinking) return;
13044 if (appData.debugMode)
13045 fprintf(debugFP, "Interrupting %s\n", cps->which);
13046 InterruptChildProcess(cps->pr);
13047 cps->maybeThinking = FALSE;
13052 #endif /*ATTENTION*/
13058 if (whiteTimeRemaining <= 0) {
13061 if (appData.icsActive) {
13062 if (appData.autoCallFlag &&
13063 gameMode == IcsPlayingBlack && !blackFlag) {
13064 SendToICS(ics_prefix);
13065 SendToICS("flag\n");
13069 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13071 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13072 if (appData.autoCallFlag) {
13073 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13080 if (blackTimeRemaining <= 0) {
13083 if (appData.icsActive) {
13084 if (appData.autoCallFlag &&
13085 gameMode == IcsPlayingWhite && !whiteFlag) {
13086 SendToICS(ics_prefix);
13087 SendToICS("flag\n");
13091 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13093 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13094 if (appData.autoCallFlag) {
13095 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13108 if (!appData.clockMode || appData.icsActive ||
13109 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13112 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13114 if ( !WhiteOnMove(forwardMostMove) )
13115 /* White made time control */
13116 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13117 /* [HGM] time odds: correct new time quota for time odds! */
13118 / WhitePlayer()->timeOdds;
13120 /* Black made time control */
13121 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13122 / WhitePlayer()->other->timeOdds;
13126 DisplayBothClocks()
13128 int wom = gameMode == EditPosition ?
13129 !blackPlaysFirst : WhiteOnMove(currentMove);
13130 DisplayWhiteClock(whiteTimeRemaining, wom);
13131 DisplayBlackClock(blackTimeRemaining, !wom);
13135 /* Timekeeping seems to be a portability nightmare. I think everyone
13136 has ftime(), but I'm really not sure, so I'm including some ifdefs
13137 to use other calls if you don't. Clocks will be less accurate if
13138 you have neither ftime nor gettimeofday.
13141 /* VS 2008 requires the #include outside of the function */
13142 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13143 #include <sys/timeb.h>
13146 /* Get the current time as a TimeMark */
13151 #if HAVE_GETTIMEOFDAY
13153 struct timeval timeVal;
13154 struct timezone timeZone;
13156 gettimeofday(&timeVal, &timeZone);
13157 tm->sec = (long) timeVal.tv_sec;
13158 tm->ms = (int) (timeVal.tv_usec / 1000L);
13160 #else /*!HAVE_GETTIMEOFDAY*/
13163 // include <sys/timeb.h> / moved to just above start of function
13164 struct timeb timeB;
13167 tm->sec = (long) timeB.time;
13168 tm->ms = (int) timeB.millitm;
13170 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13171 tm->sec = (long) time(NULL);
13177 /* Return the difference in milliseconds between two
13178 time marks. We assume the difference will fit in a long!
13181 SubtractTimeMarks(tm2, tm1)
13182 TimeMark *tm2, *tm1;
13184 return 1000L*(tm2->sec - tm1->sec) +
13185 (long) (tm2->ms - tm1->ms);
13190 * Code to manage the game clocks.
13192 * In tournament play, black starts the clock and then white makes a move.
13193 * We give the human user a slight advantage if he is playing white---the
13194 * clocks don't run until he makes his first move, so it takes zero time.
13195 * Also, we don't account for network lag, so we could get out of sync
13196 * with GNU Chess's clock -- but then, referees are always right.
13199 static TimeMark tickStartTM;
13200 static long intendedTickLength;
13203 NextTickLength(timeRemaining)
13204 long timeRemaining;
13206 long nominalTickLength, nextTickLength;
13208 if (timeRemaining > 0L && timeRemaining <= 10000L)
13209 nominalTickLength = 100L;
13211 nominalTickLength = 1000L;
13212 nextTickLength = timeRemaining % nominalTickLength;
13213 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13215 return nextTickLength;
13218 /* Adjust clock one minute up or down */
13220 AdjustClock(Boolean which, int dir)
13222 if(which) blackTimeRemaining += 60000*dir;
13223 else whiteTimeRemaining += 60000*dir;
13224 DisplayBothClocks();
13227 /* Stop clocks and reset to a fresh time control */
13231 (void) StopClockTimer();
13232 if (appData.icsActive) {
13233 whiteTimeRemaining = blackTimeRemaining = 0;
13234 } else { /* [HGM] correct new time quote for time odds */
13235 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13236 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13238 if (whiteFlag || blackFlag) {
13240 whiteFlag = blackFlag = FALSE;
13242 DisplayBothClocks();
13245 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13247 /* Decrement running clock by amount of time that has passed */
13251 long timeRemaining;
13252 long lastTickLength, fudge;
13255 if (!appData.clockMode) return;
13256 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13260 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13262 /* Fudge if we woke up a little too soon */
13263 fudge = intendedTickLength - lastTickLength;
13264 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13266 if (WhiteOnMove(forwardMostMove)) {
13267 if(whiteNPS >= 0) lastTickLength = 0;
13268 timeRemaining = whiteTimeRemaining -= lastTickLength;
13269 DisplayWhiteClock(whiteTimeRemaining - fudge,
13270 WhiteOnMove(currentMove));
13272 if(blackNPS >= 0) lastTickLength = 0;
13273 timeRemaining = blackTimeRemaining -= lastTickLength;
13274 DisplayBlackClock(blackTimeRemaining - fudge,
13275 !WhiteOnMove(currentMove));
13278 if (CheckFlags()) return;
13281 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13282 StartClockTimer(intendedTickLength);
13284 /* if the time remaining has fallen below the alarm threshold, sound the
13285 * alarm. if the alarm has sounded and (due to a takeback or time control
13286 * with increment) the time remaining has increased to a level above the
13287 * threshold, reset the alarm so it can sound again.
13290 if (appData.icsActive && appData.icsAlarm) {
13292 /* make sure we are dealing with the user's clock */
13293 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13294 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13297 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13298 alarmSounded = FALSE;
13299 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13301 alarmSounded = TRUE;
13307 /* A player has just moved, so stop the previously running
13308 clock and (if in clock mode) start the other one.
13309 We redisplay both clocks in case we're in ICS mode, because
13310 ICS gives us an update to both clocks after every move.
13311 Note that this routine is called *after* forwardMostMove
13312 is updated, so the last fractional tick must be subtracted
13313 from the color that is *not* on move now.
13318 long lastTickLength;
13320 int flagged = FALSE;
13324 if (StopClockTimer() && appData.clockMode) {
13325 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13326 if (WhiteOnMove(forwardMostMove)) {
13327 if(blackNPS >= 0) lastTickLength = 0;
13328 blackTimeRemaining -= lastTickLength;
13329 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13330 // if(pvInfoList[forwardMostMove-1].time == -1)
13331 pvInfoList[forwardMostMove-1].time = // use GUI time
13332 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13334 if(whiteNPS >= 0) lastTickLength = 0;
13335 whiteTimeRemaining -= lastTickLength;
13336 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13337 // if(pvInfoList[forwardMostMove-1].time == -1)
13338 pvInfoList[forwardMostMove-1].time =
13339 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13341 flagged = CheckFlags();
13343 CheckTimeControl();
13345 if (flagged || !appData.clockMode) return;
13347 switch (gameMode) {
13348 case MachinePlaysBlack:
13349 case MachinePlaysWhite:
13350 case BeginningOfGame:
13351 if (pausing) return;
13355 case PlayFromGameFile:
13364 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13365 whiteTimeRemaining : blackTimeRemaining);
13366 StartClockTimer(intendedTickLength);
13370 /* Stop both clocks */
13374 long lastTickLength;
13377 if (!StopClockTimer()) return;
13378 if (!appData.clockMode) return;
13382 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13383 if (WhiteOnMove(forwardMostMove)) {
13384 if(whiteNPS >= 0) lastTickLength = 0;
13385 whiteTimeRemaining -= lastTickLength;
13386 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
13388 if(blackNPS >= 0) lastTickLength = 0;
13389 blackTimeRemaining -= lastTickLength;
13390 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
13395 /* Start clock of player on move. Time may have been reset, so
13396 if clock is already running, stop and restart it. */
13400 (void) StopClockTimer(); /* in case it was running already */
13401 DisplayBothClocks();
13402 if (CheckFlags()) return;
13404 if (!appData.clockMode) return;
13405 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
13407 GetTimeMark(&tickStartTM);
13408 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13409 whiteTimeRemaining : blackTimeRemaining);
13411 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
13412 whiteNPS = blackNPS = -1;
13413 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
13414 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
13415 whiteNPS = first.nps;
13416 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
13417 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
13418 blackNPS = first.nps;
13419 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
13420 whiteNPS = second.nps;
13421 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
13422 blackNPS = second.nps;
13423 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
13425 StartClockTimer(intendedTickLength);
13432 long second, minute, hour, day;
13434 static char buf[32];
13436 if (ms > 0 && ms <= 9900) {
13437 /* convert milliseconds to tenths, rounding up */
13438 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
13440 sprintf(buf, " %03.1f ", tenths/10.0);
13444 /* convert milliseconds to seconds, rounding up */
13445 /* use floating point to avoid strangeness of integer division
13446 with negative dividends on many machines */
13447 second = (long) floor(((double) (ms + 999L)) / 1000.0);
13454 day = second / (60 * 60 * 24);
13455 second = second % (60 * 60 * 24);
13456 hour = second / (60 * 60);
13457 second = second % (60 * 60);
13458 minute = second / 60;
13459 second = second % 60;
13462 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
13463 sign, day, hour, minute, second);
13465 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
13467 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
13474 * This is necessary because some C libraries aren't ANSI C compliant yet.
13477 StrStr(string, match)
13478 char *string, *match;
13482 length = strlen(match);
13484 for (i = strlen(string) - length; i >= 0; i--, string++)
13485 if (!strncmp(match, string, length))
13492 StrCaseStr(string, match)
13493 char *string, *match;
13497 length = strlen(match);
13499 for (i = strlen(string) - length; i >= 0; i--, string++) {
13500 for (j = 0; j < length; j++) {
13501 if (ToLower(match[j]) != ToLower(string[j]))
13504 if (j == length) return string;
13518 c1 = ToLower(*s1++);
13519 c2 = ToLower(*s2++);
13520 if (c1 > c2) return 1;
13521 if (c1 < c2) return -1;
13522 if (c1 == NULLCHAR) return 0;
13531 return isupper(c) ? tolower(c) : c;
13539 return islower(c) ? toupper(c) : c;
13541 #endif /* !_amigados */
13549 if ((ret = (char *) malloc(strlen(s) + 1))) {
13556 StrSavePtr(s, savePtr)
13557 char *s, **savePtr;
13562 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
13563 strcpy(*savePtr, s);
13575 clock = time((time_t *)NULL);
13576 tm = localtime(&clock);
13577 sprintf(buf, "%04d.%02d.%02d",
13578 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
13579 return StrSave(buf);
13584 PositionToFEN(move, overrideCastling)
13586 char *overrideCastling;
13588 int i, j, fromX, fromY, toX, toY;
13595 whiteToPlay = (gameMode == EditPosition) ?
13596 !blackPlaysFirst : (move % 2 == 0);
13599 /* Piece placement data */
13600 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13602 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13603 if (boards[move][i][j] == EmptySquare) {
13605 } else { ChessSquare piece = boards[move][i][j];
13606 if (emptycount > 0) {
13607 if(emptycount<10) /* [HGM] can be >= 10 */
13608 *p++ = '0' + emptycount;
13609 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13612 if(PieceToChar(piece) == '+') {
13613 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
13615 piece = (ChessSquare)(DEMOTED piece);
13617 *p++ = PieceToChar(piece);
13619 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
13620 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
13625 if (emptycount > 0) {
13626 if(emptycount<10) /* [HGM] can be >= 10 */
13627 *p++ = '0' + emptycount;
13628 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13635 /* [HGM] print Crazyhouse or Shogi holdings */
13636 if( gameInfo.holdingsWidth ) {
13637 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
13639 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
13640 piece = boards[move][i][BOARD_WIDTH-1];
13641 if( piece != EmptySquare )
13642 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
13643 *p++ = PieceToChar(piece);
13645 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
13646 piece = boards[move][BOARD_HEIGHT-i-1][0];
13647 if( piece != EmptySquare )
13648 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
13649 *p++ = PieceToChar(piece);
13652 if( q == p ) *p++ = '-';
13658 *p++ = whiteToPlay ? 'w' : 'b';
13661 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
13662 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' ';
13664 if(nrCastlingRights) {
13666 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
13667 /* [HGM] write directly from rights */
13668 if(castlingRights[move][2] >= 0 &&
13669 castlingRights[move][0] >= 0 )
13670 *p++ = castlingRights[move][0] + AAA + 'A' - 'a';
13671 if(castlingRights[move][2] >= 0 &&
13672 castlingRights[move][1] >= 0 )
13673 *p++ = castlingRights[move][1] + AAA + 'A' - 'a';
13674 if(castlingRights[move][5] >= 0 &&
13675 castlingRights[move][3] >= 0 )
13676 *p++ = castlingRights[move][3] + AAA;
13677 if(castlingRights[move][5] >= 0 &&
13678 castlingRights[move][4] >= 0 )
13679 *p++ = castlingRights[move][4] + AAA;
13682 /* [HGM] write true castling rights */
13683 if( nrCastlingRights == 6 ) {
13684 if(castlingRights[move][0] == BOARD_RGHT-1 &&
13685 castlingRights[move][2] >= 0 ) *p++ = 'K';
13686 if(castlingRights[move][1] == BOARD_LEFT &&
13687 castlingRights[move][2] >= 0 ) *p++ = 'Q';
13688 if(castlingRights[move][3] == BOARD_RGHT-1 &&
13689 castlingRights[move][5] >= 0 ) *p++ = 'k';
13690 if(castlingRights[move][4] == BOARD_LEFT &&
13691 castlingRights[move][5] >= 0 ) *p++ = 'q';
13694 if (q == p) *p++ = '-'; /* No castling rights */
13698 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13699 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13700 /* En passant target square */
13701 if (move > backwardMostMove) {
13702 fromX = moveList[move - 1][0] - AAA;
13703 fromY = moveList[move - 1][1] - ONE;
13704 toX = moveList[move - 1][2] - AAA;
13705 toY = moveList[move - 1][3] - ONE;
13706 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
13707 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
13708 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
13710 /* 2-square pawn move just happened */
13712 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13716 } else if(move == backwardMostMove) {
13717 // [HGM] perhaps we should always do it like this, and forget the above?
13718 if(epStatus[move] >= 0) {
13719 *p++ = epStatus[move] + AAA;
13720 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13731 /* [HGM] find reversible plies */
13732 { int i = 0, j=move;
13734 if (appData.debugMode) { int k;
13735 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
13736 for(k=backwardMostMove; k<=forwardMostMove; k++)
13737 fprintf(debugFP, "e%d. p=%d\n", k, epStatus[k]);
13741 while(j > backwardMostMove && epStatus[j] <= EP_NONE) j--,i++;
13742 if( j == backwardMostMove ) i += initialRulePlies;
13743 sprintf(p, "%d ", i);
13744 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
13746 /* Fullmove number */
13747 sprintf(p, "%d", (move / 2) + 1);
13749 return StrSave(buf);
13753 ParseFEN(board, blackPlaysFirst, fen)
13755 int *blackPlaysFirst;
13765 /* [HGM] by default clear Crazyhouse holdings, if present */
13766 if(gameInfo.holdingsWidth) {
13767 for(i=0; i<BOARD_HEIGHT; i++) {
13768 board[i][0] = EmptySquare; /* black holdings */
13769 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
13770 board[i][1] = (ChessSquare) 0; /* black counts */
13771 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
13775 /* Piece placement data */
13776 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13779 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
13780 if (*p == '/') p++;
13781 emptycount = gameInfo.boardWidth - j;
13782 while (emptycount--)
13783 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13785 #if(BOARD_SIZE >= 10)
13786 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
13787 p++; emptycount=10;
13788 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13789 while (emptycount--)
13790 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13792 } else if (isdigit(*p)) {
13793 emptycount = *p++ - '0';
13794 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
13795 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13796 while (emptycount--)
13797 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13798 } else if (*p == '+' || isalpha(*p)) {
13799 if (j >= gameInfo.boardWidth) return FALSE;
13801 piece = CharToPiece(*++p);
13802 if(piece == EmptySquare) return FALSE; /* unknown piece */
13803 piece = (ChessSquare) (PROMOTED piece ); p++;
13804 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
13805 } else piece = CharToPiece(*p++);
13807 if(piece==EmptySquare) return FALSE; /* unknown piece */
13808 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
13809 piece = (ChessSquare) (PROMOTED piece);
13810 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
13813 board[i][(j++)+gameInfo.holdingsWidth] = piece;
13819 while (*p == '/' || *p == ' ') p++;
13821 /* [HGM] look for Crazyhouse holdings here */
13822 while(*p==' ') p++;
13823 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
13825 if(*p == '-' ) *p++; /* empty holdings */ else {
13826 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
13827 /* if we would allow FEN reading to set board size, we would */
13828 /* have to add holdings and shift the board read so far here */
13829 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
13831 if((int) piece >= (int) BlackPawn ) {
13832 i = (int)piece - (int)BlackPawn;
13833 i = PieceToNumber((ChessSquare)i);
13834 if( i >= gameInfo.holdingsSize ) return FALSE;
13835 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
13836 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
13838 i = (int)piece - (int)WhitePawn;
13839 i = PieceToNumber((ChessSquare)i);
13840 if( i >= gameInfo.holdingsSize ) return FALSE;
13841 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
13842 board[i][BOARD_WIDTH-2]++; /* black holdings */
13846 if(*p == ']') *p++;
13849 while(*p == ' ') p++;
13854 *blackPlaysFirst = FALSE;
13857 *blackPlaysFirst = TRUE;
13863 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
13864 /* return the extra info in global variiables */
13866 /* set defaults in case FEN is incomplete */
13867 FENepStatus = EP_UNKNOWN;
13868 for(i=0; i<nrCastlingRights; i++ ) {
13869 FENcastlingRights[i] =
13870 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? -1 : initialRights[i];
13871 } /* assume possible unless obviously impossible */
13872 if(initialRights[0]>=0 && board[castlingRank[0]][initialRights[0]] != WhiteRook) FENcastlingRights[0] = -1;
13873 if(initialRights[1]>=0 && board[castlingRank[1]][initialRights[1]] != WhiteRook) FENcastlingRights[1] = -1;
13874 if(initialRights[2]>=0 && board[castlingRank[2]][initialRights[2]] != WhiteKing) FENcastlingRights[2] = -1;
13875 if(initialRights[3]>=0 && board[castlingRank[3]][initialRights[3]] != BlackRook) FENcastlingRights[3] = -1;
13876 if(initialRights[4]>=0 && board[castlingRank[4]][initialRights[4]] != BlackRook) FENcastlingRights[4] = -1;
13877 if(initialRights[5]>=0 && board[castlingRank[5]][initialRights[5]] != BlackKing) FENcastlingRights[5] = -1;
13880 while(*p==' ') p++;
13881 if(nrCastlingRights) {
13882 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
13883 /* castling indicator present, so default becomes no castlings */
13884 for(i=0; i<nrCastlingRights; i++ ) {
13885 FENcastlingRights[i] = -1;
13888 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
13889 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
13890 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
13891 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
13892 char c = *p++; int whiteKingFile=-1, blackKingFile=-1;
13894 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
13895 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
13896 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
13900 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
13901 FENcastlingRights[0] = i != whiteKingFile ? i : -1;
13902 FENcastlingRights[2] = whiteKingFile;
13905 for(i=BOARD_LEFT; board[0][i]!=WhiteRook && i<whiteKingFile; i++);
13906 FENcastlingRights[1] = i != whiteKingFile ? i : -1;
13907 FENcastlingRights[2] = whiteKingFile;
13910 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
13911 FENcastlingRights[3] = i != blackKingFile ? i : -1;
13912 FENcastlingRights[5] = blackKingFile;
13915 for(i=BOARD_LEFT; board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
13916 FENcastlingRights[4] = i != blackKingFile ? i : -1;
13917 FENcastlingRights[5] = blackKingFile;
13920 default: /* FRC castlings */
13921 if(c >= 'a') { /* black rights */
13922 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13923 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
13924 if(i == BOARD_RGHT) break;
13925 FENcastlingRights[5] = i;
13927 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
13928 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
13930 FENcastlingRights[3] = c;
13932 FENcastlingRights[4] = c;
13933 } else { /* white rights */
13934 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13935 if(board[0][i] == WhiteKing) break;
13936 if(i == BOARD_RGHT) break;
13937 FENcastlingRights[2] = i;
13938 c -= AAA - 'a' + 'A';
13939 if(board[0][c] >= WhiteKing) break;
13941 FENcastlingRights[0] = c;
13943 FENcastlingRights[1] = c;
13947 if (appData.debugMode) {
13948 fprintf(debugFP, "FEN castling rights:");
13949 for(i=0; i<nrCastlingRights; i++)
13950 fprintf(debugFP, " %d", FENcastlingRights[i]);
13951 fprintf(debugFP, "\n");
13954 while(*p==' ') p++;
13957 /* read e.p. field in games that know e.p. capture */
13958 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13959 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13961 p++; FENepStatus = EP_NONE;
13963 char c = *p++ - AAA;
13965 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
13966 if(*p >= '0' && *p <='9') *p++;
13972 if(sscanf(p, "%d", &i) == 1) {
13973 FENrulePlies = i; /* 50-move ply counter */
13974 /* (The move number is still ignored) */
13981 EditPositionPasteFEN(char *fen)
13984 Board initial_position;
13986 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
13987 DisplayError(_("Bad FEN position in clipboard"), 0);
13990 int savedBlackPlaysFirst = blackPlaysFirst;
13991 EditPositionEvent();
13992 blackPlaysFirst = savedBlackPlaysFirst;
13993 CopyBoard(boards[0], initial_position);
13994 /* [HGM] copy FEN attributes as well */
13996 initialRulePlies = FENrulePlies;
13997 epStatus[0] = FENepStatus;
13998 for( i=0; i<nrCastlingRights; i++ )
13999 castlingRights[0][i] = FENcastlingRights[i];
14001 EditPositionDone();
14002 DisplayBothClocks();
14003 DrawPosition(FALSE, boards[currentMove]);
14008 static char cseq[12] = "\\ ";
14010 Boolean set_cont_sequence(char *new_seq)
14015 // handle bad attempts to set the sequence
14017 return 0; // acceptable error - no debug
14019 len = strlen(new_seq);
14020 ret = (len > 0) && (len < sizeof(cseq));
14022 strcpy(cseq, new_seq);
14023 else if (appData.debugMode)
14024 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %d)\n", new_seq, sizeof(cseq)-1);
14029 reformat a source message so words don't cross the width boundary. internal
14030 newlines are not removed. returns the wrapped size (no null character unless
14031 included in source message). If dest is NULL, only calculate the size required
14032 for the dest buffer. lp argument indicats line position upon entry, and it's
14033 passed back upon exit.
14035 int wrap(char *dest, char *src, int count, int width, int *lp)
14037 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14039 cseq_len = strlen(cseq);
14040 old_line = line = *lp;
14041 ansi = len = clen = 0;
14043 for (i=0; i < count; i++)
14045 if (src[i] == '\033')
14048 // if we hit the width, back up
14049 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14051 // store i & len in case the word is too long
14052 old_i = i, old_len = len;
14054 // find the end of the last word
14055 while (i && src[i] != ' ' && src[i] != '\n')
14061 // word too long? restore i & len before splitting it
14062 if ((old_i-i+clen) >= width)
14069 if (i && src[i-1] == ' ')
14072 if (src[i] != ' ' && src[i] != '\n')
14079 // now append the newline and continuation sequence
14084 strncpy(dest+len, cseq, cseq_len);
14092 dest[len] = src[i];
14096 if (src[i] == '\n')
14101 if (dest && appData.debugMode)
14103 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14104 count, width, line, len, *lp);
14105 show_bytes(debugFP, src, count);
14106 fprintf(debugFP, "\ndest: ");
14107 show_bytes(debugFP, dest, len);
14108 fprintf(debugFP, "\n");
14110 *lp = dest ? line : old_line;