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 + 1000*programStartTime.sec)*0x1001001); // [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 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
799 appData.clockMode = FALSE;
800 first.sendTime = second.sendTime = 0;
804 /* Override some settings from environment variables, for backward
805 compatibility. Unfortunately it's not feasible to have the env
806 vars just set defaults, at least in xboard. Ugh.
808 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
813 if (appData.noChessProgram) {
814 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
815 sprintf(programVersion, "%s", PACKAGE_STRING);
817 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
818 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
819 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
822 if (!appData.icsActive) {
824 /* Check for variants that are supported only in ICS mode,
825 or not at all. Some that are accepted here nevertheless
826 have bugs; see comments below.
828 VariantClass variant = StringToVariant(appData.variant);
830 case VariantBughouse: /* need four players and two boards */
831 case VariantKriegspiel: /* need to hide pieces and move details */
832 /* case VariantFischeRandom: (Fabien: moved below) */
833 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
834 DisplayFatalError(buf, 0, 2);
838 case VariantLoadable:
848 sprintf(buf, _("Unknown variant name %s"), appData.variant);
849 DisplayFatalError(buf, 0, 2);
852 case VariantXiangqi: /* [HGM] repetition rules not implemented */
853 case VariantFairy: /* [HGM] TestLegality definitely off! */
854 case VariantGothic: /* [HGM] should work */
855 case VariantCapablanca: /* [HGM] should work */
856 case VariantCourier: /* [HGM] initial forced moves not implemented */
857 case VariantShogi: /* [HGM] drops not tested for legality */
858 case VariantKnightmate: /* [HGM] should work */
859 case VariantCylinder: /* [HGM] untested */
860 case VariantFalcon: /* [HGM] untested */
861 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
862 offboard interposition not understood */
863 case VariantNormal: /* definitely works! */
864 case VariantWildCastle: /* pieces not automatically shuffled */
865 case VariantNoCastle: /* pieces not automatically shuffled */
866 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
867 case VariantLosers: /* should work except for win condition,
868 and doesn't know captures are mandatory */
869 case VariantSuicide: /* should work except for win condition,
870 and doesn't know captures are mandatory */
871 case VariantGiveaway: /* should work except for win condition,
872 and doesn't know captures are mandatory */
873 case VariantTwoKings: /* should work */
874 case VariantAtomic: /* should work except for win condition */
875 case Variant3Check: /* should work except for win condition */
876 case VariantShatranj: /* should work except for all win conditions */
877 case VariantBerolina: /* might work if TestLegality is off */
878 case VariantCapaRandom: /* should work */
879 case VariantJanus: /* should work */
880 case VariantSuper: /* experimental */
881 case VariantGreat: /* experimental, requires legality testing to be off */
886 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
887 InitEngineUCI( installDir, &second );
890 int NextIntegerFromString( char ** str, long * value )
895 while( *s == ' ' || *s == '\t' ) {
901 if( *s >= '0' && *s <= '9' ) {
902 while( *s >= '0' && *s <= '9' ) {
903 *value = *value * 10 + (*s - '0');
915 int NextTimeControlFromString( char ** str, long * value )
918 int result = NextIntegerFromString( str, &temp );
921 *value = temp * 60; /* Minutes */
924 result = NextIntegerFromString( str, &temp );
925 *value += temp; /* Seconds */
932 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
933 { /* [HGM] routine added to read '+moves/time' for secondary time control */
934 int result = -1; long temp, temp2;
936 if(**str != '+') return -1; // old params remain in force!
938 if( NextTimeControlFromString( str, &temp ) ) return -1;
941 /* time only: incremental or sudden-death time control */
942 if(**str == '+') { /* increment follows; read it */
944 if(result = NextIntegerFromString( str, &temp2)) return -1;
947 *moves = 0; *tc = temp * 1000;
949 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
951 (*str)++; /* classical time control */
952 result = NextTimeControlFromString( str, &temp2);
961 int GetTimeQuota(int movenr)
962 { /* [HGM] get time to add from the multi-session time-control string */
963 int moves=1; /* kludge to force reading of first session */
964 long time, increment;
965 char *s = fullTimeControlString;
967 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
969 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
970 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
971 if(movenr == -1) return time; /* last move before new session */
972 if(!moves) return increment; /* current session is incremental */
973 if(movenr >= 0) movenr -= moves; /* we already finished this session */
974 } while(movenr >= -1); /* try again for next session */
976 return 0; // no new time quota on this move
980 ParseTimeControl(tc, ti, mps)
989 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
992 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
993 else sprintf(buf, "+%s+%d", tc, ti);
996 sprintf(buf, "+%d/%s", mps, tc);
997 else sprintf(buf, "+%s", tc);
999 fullTimeControlString = StrSave(buf);
1001 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1006 /* Parse second time control */
1009 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1017 timeControl_2 = tc2 * 1000;
1027 timeControl = tc1 * 1000;
1030 timeIncrement = ti * 1000; /* convert to ms */
1031 movesPerSession = 0;
1034 movesPerSession = mps;
1042 if (appData.debugMode) {
1043 fprintf(debugFP, "%s\n", programVersion);
1046 set_cont_sequence(appData.wrapContSeq);
1047 if (appData.matchGames > 0) {
1048 appData.matchMode = TRUE;
1049 } else if (appData.matchMode) {
1050 appData.matchGames = 1;
1052 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1053 appData.matchGames = appData.sameColorGames;
1054 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1055 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1056 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1059 if (appData.noChessProgram || first.protocolVersion == 1) {
1062 /* kludge: allow timeout for initial "feature" commands */
1064 DisplayMessage("", _("Starting chess program"));
1065 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1070 InitBackEnd3 P((void))
1072 GameMode initialMode;
1076 InitChessProgram(&first, startedFromSetupPosition);
1079 if (appData.icsActive) {
1081 /* [DM] Make a console window if needed [HGM] merged ifs */
1086 if (*appData.icsCommPort != NULLCHAR) {
1087 sprintf(buf, _("Could not open comm port %s"),
1088 appData.icsCommPort);
1090 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1091 appData.icsHost, appData.icsPort);
1093 DisplayFatalError(buf, err, 1);
1098 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1100 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1101 } else if (appData.noChessProgram) {
1107 if (*appData.cmailGameName != NULLCHAR) {
1109 OpenLoopback(&cmailPR);
1111 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1115 DisplayMessage("", "");
1116 if (StrCaseCmp(appData.initialMode, "") == 0) {
1117 initialMode = BeginningOfGame;
1118 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1119 initialMode = TwoMachinesPlay;
1120 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1121 initialMode = AnalyzeFile;
1122 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1123 initialMode = AnalyzeMode;
1124 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1125 initialMode = MachinePlaysWhite;
1126 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1127 initialMode = MachinePlaysBlack;
1128 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1129 initialMode = EditGame;
1130 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1131 initialMode = EditPosition;
1132 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1133 initialMode = Training;
1135 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1136 DisplayFatalError(buf, 0, 2);
1140 if (appData.matchMode) {
1141 /* Set up machine vs. machine match */
1142 if (appData.noChessProgram) {
1143 DisplayFatalError(_("Can't have a match with no chess programs"),
1149 if (*appData.loadGameFile != NULLCHAR) {
1150 int index = appData.loadGameIndex; // [HGM] autoinc
1151 if(index<0) lastIndex = index = 1;
1152 if (!LoadGameFromFile(appData.loadGameFile,
1154 appData.loadGameFile, FALSE)) {
1155 DisplayFatalError(_("Bad game file"), 0, 1);
1158 } else if (*appData.loadPositionFile != NULLCHAR) {
1159 int index = appData.loadPositionIndex; // [HGM] autoinc
1160 if(index<0) lastIndex = index = 1;
1161 if (!LoadPositionFromFile(appData.loadPositionFile,
1163 appData.loadPositionFile)) {
1164 DisplayFatalError(_("Bad position file"), 0, 1);
1169 } else if (*appData.cmailGameName != NULLCHAR) {
1170 /* Set up cmail mode */
1171 ReloadCmailMsgEvent(TRUE);
1173 /* Set up other modes */
1174 if (initialMode == AnalyzeFile) {
1175 if (*appData.loadGameFile == NULLCHAR) {
1176 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1180 if (*appData.loadGameFile != NULLCHAR) {
1181 (void) LoadGameFromFile(appData.loadGameFile,
1182 appData.loadGameIndex,
1183 appData.loadGameFile, TRUE);
1184 } else if (*appData.loadPositionFile != NULLCHAR) {
1185 (void) LoadPositionFromFile(appData.loadPositionFile,
1186 appData.loadPositionIndex,
1187 appData.loadPositionFile);
1188 /* [HGM] try to make self-starting even after FEN load */
1189 /* to allow automatic setup of fairy variants with wtm */
1190 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1191 gameMode = BeginningOfGame;
1192 setboardSpoiledMachineBlack = 1;
1194 /* [HGM] loadPos: make that every new game uses the setup */
1195 /* from file as long as we do not switch variant */
1196 if(!blackPlaysFirst) { int i;
1197 startedFromPositionFile = TRUE;
1198 CopyBoard(filePosition, boards[0]);
1199 for(i=0; i<BOARD_SIZE; i++) fileRights[i] = castlingRights[0][i];
1202 if (initialMode == AnalyzeMode) {
1203 if (appData.noChessProgram) {
1204 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1207 if (appData.icsActive) {
1208 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1212 } else if (initialMode == AnalyzeFile) {
1213 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1214 ShowThinkingEvent();
1216 AnalysisPeriodicEvent(1);
1217 } else if (initialMode == MachinePlaysWhite) {
1218 if (appData.noChessProgram) {
1219 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1223 if (appData.icsActive) {
1224 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1228 MachineWhiteEvent();
1229 } else if (initialMode == MachinePlaysBlack) {
1230 if (appData.noChessProgram) {
1231 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1235 if (appData.icsActive) {
1236 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1240 MachineBlackEvent();
1241 } else if (initialMode == TwoMachinesPlay) {
1242 if (appData.noChessProgram) {
1243 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1247 if (appData.icsActive) {
1248 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1253 } else if (initialMode == EditGame) {
1255 } else if (initialMode == EditPosition) {
1256 EditPositionEvent();
1257 } else if (initialMode == Training) {
1258 if (*appData.loadGameFile == NULLCHAR) {
1259 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1268 * Establish will establish a contact to a remote host.port.
1269 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1270 * used to talk to the host.
1271 * Returns 0 if okay, error code if not.
1278 if (*appData.icsCommPort != NULLCHAR) {
1279 /* Talk to the host through a serial comm port */
1280 return OpenCommPort(appData.icsCommPort, &icsPR);
1282 } else if (*appData.gateway != NULLCHAR) {
1283 if (*appData.remoteShell == NULLCHAR) {
1284 /* Use the rcmd protocol to run telnet program on a gateway host */
1285 snprintf(buf, sizeof(buf), "%s %s %s",
1286 appData.telnetProgram, appData.icsHost, appData.icsPort);
1287 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1290 /* Use the rsh program to run telnet program on a gateway host */
1291 if (*appData.remoteUser == NULLCHAR) {
1292 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1293 appData.gateway, appData.telnetProgram,
1294 appData.icsHost, appData.icsPort);
1296 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1297 appData.remoteShell, appData.gateway,
1298 appData.remoteUser, appData.telnetProgram,
1299 appData.icsHost, appData.icsPort);
1301 return StartChildProcess(buf, "", &icsPR);
1304 } else if (appData.useTelnet) {
1305 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1308 /* TCP socket interface differs somewhat between
1309 Unix and NT; handle details in the front end.
1311 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1316 show_bytes(fp, buf, count)
1322 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1323 fprintf(fp, "\\%03o", *buf & 0xff);
1332 /* Returns an errno value */
1334 OutputMaybeTelnet(pr, message, count, outError)
1340 char buf[8192], *p, *q, *buflim;
1341 int left, newcount, outcount;
1343 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1344 *appData.gateway != NULLCHAR) {
1345 if (appData.debugMode) {
1346 fprintf(debugFP, ">ICS: ");
1347 show_bytes(debugFP, message, count);
1348 fprintf(debugFP, "\n");
1350 return OutputToProcess(pr, message, count, outError);
1353 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1360 if (appData.debugMode) {
1361 fprintf(debugFP, ">ICS: ");
1362 show_bytes(debugFP, buf, newcount);
1363 fprintf(debugFP, "\n");
1365 outcount = OutputToProcess(pr, buf, newcount, outError);
1366 if (outcount < newcount) return -1; /* to be sure */
1373 } else if (((unsigned char) *p) == TN_IAC) {
1374 *q++ = (char) TN_IAC;
1381 if (appData.debugMode) {
1382 fprintf(debugFP, ">ICS: ");
1383 show_bytes(debugFP, buf, newcount);
1384 fprintf(debugFP, "\n");
1386 outcount = OutputToProcess(pr, buf, newcount, outError);
1387 if (outcount < newcount) return -1; /* to be sure */
1392 read_from_player(isr, closure, message, count, error)
1399 int outError, outCount;
1400 static int gotEof = 0;
1402 /* Pass data read from player on to ICS */
1405 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1406 if (outCount < count) {
1407 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1409 } else if (count < 0) {
1410 RemoveInputSource(isr);
1411 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1412 } else if (gotEof++ > 0) {
1413 RemoveInputSource(isr);
1414 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1420 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1421 SendToICS("date\n");
1422 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1425 /* added routine for printf style output to ics */
1426 void ics_printf(char *format, ...)
1428 char buffer[MSG_SIZ];
1431 va_start(args, format);
1432 vsnprintf(buffer, sizeof(buffer), format, args);
1433 buffer[sizeof(buffer)-1] = '\0';
1442 int count, outCount, outError;
1444 if (icsPR == NULL) return;
1447 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1448 if (outCount < count) {
1449 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1453 /* This is used for sending logon scripts to the ICS. Sending
1454 without a delay causes problems when using timestamp on ICC
1455 (at least on my machine). */
1457 SendToICSDelayed(s,msdelay)
1461 int count, outCount, outError;
1463 if (icsPR == NULL) return;
1466 if (appData.debugMode) {
1467 fprintf(debugFP, ">ICS: ");
1468 show_bytes(debugFP, s, count);
1469 fprintf(debugFP, "\n");
1471 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1473 if (outCount < count) {
1474 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1479 /* Remove all highlighting escape sequences in s
1480 Also deletes any suffix starting with '('
1483 StripHighlightAndTitle(s)
1486 static char retbuf[MSG_SIZ];
1489 while (*s != NULLCHAR) {
1490 while (*s == '\033') {
1491 while (*s != NULLCHAR && !isalpha(*s)) s++;
1492 if (*s != NULLCHAR) s++;
1494 while (*s != NULLCHAR && *s != '\033') {
1495 if (*s == '(' || *s == '[') {
1506 /* Remove all highlighting escape sequences in s */
1511 static char retbuf[MSG_SIZ];
1514 while (*s != NULLCHAR) {
1515 while (*s == '\033') {
1516 while (*s != NULLCHAR && !isalpha(*s)) s++;
1517 if (*s != NULLCHAR) s++;
1519 while (*s != NULLCHAR && *s != '\033') {
1527 char *variantNames[] = VARIANT_NAMES;
1532 return variantNames[v];
1536 /* Identify a variant from the strings the chess servers use or the
1537 PGN Variant tag names we use. */
1544 VariantClass v = VariantNormal;
1545 int i, found = FALSE;
1550 /* [HGM] skip over optional board-size prefixes */
1551 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1552 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1553 while( *e++ != '_');
1556 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1560 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1561 if (StrCaseStr(e, variantNames[i])) {
1562 v = (VariantClass) i;
1569 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1570 || StrCaseStr(e, "wild/fr")
1571 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1572 v = VariantFischeRandom;
1573 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1574 (i = 1, p = StrCaseStr(e, "w"))) {
1576 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1583 case 0: /* FICS only, actually */
1585 /* Castling legal even if K starts on d-file */
1586 v = VariantWildCastle;
1591 /* Castling illegal even if K & R happen to start in
1592 normal positions. */
1593 v = VariantNoCastle;
1606 /* Castling legal iff K & R start in normal positions */
1612 /* Special wilds for position setup; unclear what to do here */
1613 v = VariantLoadable;
1616 /* Bizarre ICC game */
1617 v = VariantTwoKings;
1620 v = VariantKriegspiel;
1626 v = VariantFischeRandom;
1629 v = VariantCrazyhouse;
1632 v = VariantBughouse;
1638 /* Not quite the same as FICS suicide! */
1639 v = VariantGiveaway;
1645 v = VariantShatranj;
1648 /* Temporary names for future ICC types. The name *will* change in
1649 the next xboard/WinBoard release after ICC defines it. */
1687 v = VariantCapablanca;
1690 v = VariantKnightmate;
1696 v = VariantCylinder;
1702 v = VariantCapaRandom;
1705 v = VariantBerolina;
1717 /* Found "wild" or "w" in the string but no number;
1718 must assume it's normal chess. */
1722 sprintf(buf, _("Unknown wild type %d"), wnum);
1723 DisplayError(buf, 0);
1729 if (appData.debugMode) {
1730 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1731 e, wnum, VariantName(v));
1736 static int leftover_start = 0, leftover_len = 0;
1737 char star_match[STAR_MATCH_N][MSG_SIZ];
1739 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1740 advance *index beyond it, and set leftover_start to the new value of
1741 *index; else return FALSE. If pattern contains the character '*', it
1742 matches any sequence of characters not containing '\r', '\n', or the
1743 character following the '*' (if any), and the matched sequence(s) are
1744 copied into star_match.
1747 looking_at(buf, index, pattern)
1752 char *bufp = &buf[*index], *patternp = pattern;
1754 char *matchp = star_match[0];
1757 if (*patternp == NULLCHAR) {
1758 *index = leftover_start = bufp - buf;
1762 if (*bufp == NULLCHAR) return FALSE;
1763 if (*patternp == '*') {
1764 if (*bufp == *(patternp + 1)) {
1766 matchp = star_match[++star_count];
1770 } else if (*bufp == '\n' || *bufp == '\r') {
1772 if (*patternp == NULLCHAR)
1777 *matchp++ = *bufp++;
1781 if (*patternp != *bufp) return FALSE;
1788 SendToPlayer(data, length)
1792 int error, outCount;
1793 outCount = OutputToProcess(NoProc, data, length, &error);
1794 if (outCount < length) {
1795 DisplayFatalError(_("Error writing to display"), error, 1);
1800 PackHolding(packed, holding)
1812 switch (runlength) {
1823 sprintf(q, "%d", runlength);
1835 /* Telnet protocol requests from the front end */
1837 TelnetRequest(ddww, option)
1838 unsigned char ddww, option;
1840 unsigned char msg[3];
1841 int outCount, outError;
1843 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1845 if (appData.debugMode) {
1846 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1862 sprintf(buf1, "%d", ddww);
1871 sprintf(buf2, "%d", option);
1874 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1879 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1881 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1888 if (!appData.icsActive) return;
1889 TelnetRequest(TN_DO, TN_ECHO);
1895 if (!appData.icsActive) return;
1896 TelnetRequest(TN_DONT, TN_ECHO);
1900 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1902 /* put the holdings sent to us by the server on the board holdings area */
1903 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1907 if(gameInfo.holdingsWidth < 2) return;
1908 if(gameInfo.variant != VariantBughouse && board[BOARD_SIZE-1][BOARD_SIZE-2])
1909 return; // prevent overwriting by pre-board holdings
1911 if( (int)lowestPiece >= BlackPawn ) {
1914 holdingsStartRow = BOARD_HEIGHT-1;
1917 holdingsColumn = BOARD_WIDTH-1;
1918 countsColumn = BOARD_WIDTH-2;
1919 holdingsStartRow = 0;
1923 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1924 board[i][holdingsColumn] = EmptySquare;
1925 board[i][countsColumn] = (ChessSquare) 0;
1927 while( (p=*holdings++) != NULLCHAR ) {
1928 piece = CharToPiece( ToUpper(p) );
1929 if(piece == EmptySquare) continue;
1930 /*j = (int) piece - (int) WhitePawn;*/
1931 j = PieceToNumber(piece);
1932 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1933 if(j < 0) continue; /* should not happen */
1934 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1935 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1936 board[holdingsStartRow+j*direction][countsColumn]++;
1942 VariantSwitch(Board board, VariantClass newVariant)
1944 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1947 startedFromPositionFile = FALSE;
1948 if(gameInfo.variant == newVariant) return;
1950 /* [HGM] This routine is called each time an assignment is made to
1951 * gameInfo.variant during a game, to make sure the board sizes
1952 * are set to match the new variant. If that means adding or deleting
1953 * holdings, we shift the playing board accordingly
1954 * This kludge is needed because in ICS observe mode, we get boards
1955 * of an ongoing game without knowing the variant, and learn about the
1956 * latter only later. This can be because of the move list we requested,
1957 * in which case the game history is refilled from the beginning anyway,
1958 * but also when receiving holdings of a crazyhouse game. In the latter
1959 * case we want to add those holdings to the already received position.
1963 if (appData.debugMode) {
1964 fprintf(debugFP, "Switch board from %s to %s\n",
1965 VariantName(gameInfo.variant), VariantName(newVariant));
1966 setbuf(debugFP, NULL);
1968 shuffleOpenings = 0; /* [HGM] shuffle */
1969 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
1973 newWidth = 9; newHeight = 9;
1974 gameInfo.holdingsSize = 7;
1975 case VariantBughouse:
1976 case VariantCrazyhouse:
1977 newHoldingsWidth = 2; break;
1981 newHoldingsWidth = 2;
1982 gameInfo.holdingsSize = 8;
1985 case VariantCapablanca:
1986 case VariantCapaRandom:
1989 newHoldingsWidth = gameInfo.holdingsSize = 0;
1992 if(newWidth != gameInfo.boardWidth ||
1993 newHeight != gameInfo.boardHeight ||
1994 newHoldingsWidth != gameInfo.holdingsWidth ) {
1996 /* shift position to new playing area, if needed */
1997 if(newHoldingsWidth > gameInfo.holdingsWidth) {
1998 for(i=0; i<BOARD_HEIGHT; i++)
1999 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2000 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2002 for(i=0; i<newHeight; i++) {
2003 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2004 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2006 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2007 for(i=0; i<BOARD_HEIGHT; i++)
2008 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2009 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2012 gameInfo.boardWidth = newWidth;
2013 gameInfo.boardHeight = newHeight;
2014 gameInfo.holdingsWidth = newHoldingsWidth;
2015 gameInfo.variant = newVariant;
2016 InitDrawingSizes(-2, 0);
2017 } else gameInfo.variant = newVariant;
2018 CopyBoard(oldBoard, board); // remember correctly formatted board
2019 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2020 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2023 static int loggedOn = FALSE;
2025 /*-- Game start info cache: --*/
2027 char gs_kind[MSG_SIZ];
2028 static char player1Name[128] = "";
2029 static char player2Name[128] = "";
2030 static char cont_seq[] = "\n\\ ";
2031 static int player1Rating = -1;
2032 static int player2Rating = -1;
2033 /*----------------------------*/
2035 ColorClass curColor = ColorNormal;
2036 int suppressKibitz = 0;
2039 read_from_ics(isr, closure, data, count, error)
2046 #define BUF_SIZE 8192
2047 #define STARTED_NONE 0
2048 #define STARTED_MOVES 1
2049 #define STARTED_BOARD 2
2050 #define STARTED_OBSERVE 3
2051 #define STARTED_HOLDINGS 4
2052 #define STARTED_CHATTER 5
2053 #define STARTED_COMMENT 6
2054 #define STARTED_MOVES_NOHIDE 7
2056 static int started = STARTED_NONE;
2057 static char parse[20000];
2058 static int parse_pos = 0;
2059 static char buf[BUF_SIZE + 1];
2060 static int firstTime = TRUE, intfSet = FALSE;
2061 static ColorClass prevColor = ColorNormal;
2062 static int savingComment = FALSE;
2063 static int cmatch = 0; // continuation sequence match
2070 int backup; /* [DM] For zippy color lines */
2072 char talker[MSG_SIZ]; // [HGM] chat
2075 if (appData.debugMode) {
2077 fprintf(debugFP, "<ICS: ");
2078 show_bytes(debugFP, data, count);
2079 fprintf(debugFP, "\n");
2083 if (appData.debugMode) { int f = forwardMostMove;
2084 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2085 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
2088 /* If last read ended with a partial line that we couldn't parse,
2089 prepend it to the new read and try again. */
2090 if (leftover_len > 0) {
2091 for (i=0; i<leftover_len; i++)
2092 buf[i] = buf[leftover_start + i];
2095 /* copy new characters into the buffer */
2096 bp = buf + leftover_len;
2097 buf_len=leftover_len;
2098 for (i=0; i<count; i++)
2101 if (data[i] == '\r')
2104 // join lines split by ICS?
2105 if (!appData.noJoin)
2108 Joining just consists of finding matches against the
2109 continuation sequence, and discarding that sequence
2110 if found instead of copying it. So, until a match
2111 fails, there's nothing to do since it might be the
2112 complete sequence, and thus, something we don't want
2115 if (data[i] == cont_seq[cmatch])
2118 if (cmatch == strlen(cont_seq))
2120 cmatch = 0; // complete match. just reset the counter
2123 it's possible for the ICS to not include the space
2124 at the end of the last word, making our [correct]
2125 join operation fuse two separate words. the server
2126 does this when the space occurs at the width setting.
2128 if (!buf_len || buf[buf_len-1] != ' ')
2139 match failed, so we have to copy what matched before
2140 falling through and copying this character. In reality,
2141 this will only ever be just the newline character, but
2142 it doesn't hurt to be precise.
2144 strncpy(bp, cont_seq, cmatch);
2156 buf[buf_len] = NULLCHAR;
2157 next_out = leftover_len;
2161 while (i < buf_len) {
2162 /* Deal with part of the TELNET option negotiation
2163 protocol. We refuse to do anything beyond the
2164 defaults, except that we allow the WILL ECHO option,
2165 which ICS uses to turn off password echoing when we are
2166 directly connected to it. We reject this option
2167 if localLineEditing mode is on (always on in xboard)
2168 and we are talking to port 23, which might be a real
2169 telnet server that will try to keep WILL ECHO on permanently.
2171 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2172 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2173 unsigned char option;
2175 switch ((unsigned char) buf[++i]) {
2177 if (appData.debugMode)
2178 fprintf(debugFP, "\n<WILL ");
2179 switch (option = (unsigned char) buf[++i]) {
2181 if (appData.debugMode)
2182 fprintf(debugFP, "ECHO ");
2183 /* Reply only if this is a change, according
2184 to the protocol rules. */
2185 if (remoteEchoOption) break;
2186 if (appData.localLineEditing &&
2187 atoi(appData.icsPort) == TN_PORT) {
2188 TelnetRequest(TN_DONT, TN_ECHO);
2191 TelnetRequest(TN_DO, TN_ECHO);
2192 remoteEchoOption = TRUE;
2196 if (appData.debugMode)
2197 fprintf(debugFP, "%d ", option);
2198 /* Whatever this is, we don't want it. */
2199 TelnetRequest(TN_DONT, option);
2204 if (appData.debugMode)
2205 fprintf(debugFP, "\n<WONT ");
2206 switch (option = (unsigned char) buf[++i]) {
2208 if (appData.debugMode)
2209 fprintf(debugFP, "ECHO ");
2210 /* Reply only if this is a change, according
2211 to the protocol rules. */
2212 if (!remoteEchoOption) break;
2214 TelnetRequest(TN_DONT, TN_ECHO);
2215 remoteEchoOption = FALSE;
2218 if (appData.debugMode)
2219 fprintf(debugFP, "%d ", (unsigned char) option);
2220 /* Whatever this is, it must already be turned
2221 off, because we never agree to turn on
2222 anything non-default, so according to the
2223 protocol rules, we don't reply. */
2228 if (appData.debugMode)
2229 fprintf(debugFP, "\n<DO ");
2230 switch (option = (unsigned char) buf[++i]) {
2232 /* Whatever this is, we refuse to do it. */
2233 if (appData.debugMode)
2234 fprintf(debugFP, "%d ", option);
2235 TelnetRequest(TN_WONT, option);
2240 if (appData.debugMode)
2241 fprintf(debugFP, "\n<DONT ");
2242 switch (option = (unsigned char) buf[++i]) {
2244 if (appData.debugMode)
2245 fprintf(debugFP, "%d ", option);
2246 /* Whatever this is, we are already not doing
2247 it, because we never agree to do anything
2248 non-default, so according to the protocol
2249 rules, we don't reply. */
2254 if (appData.debugMode)
2255 fprintf(debugFP, "\n<IAC ");
2256 /* Doubled IAC; pass it through */
2260 if (appData.debugMode)
2261 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2262 /* Drop all other telnet commands on the floor */
2265 if (oldi > next_out)
2266 SendToPlayer(&buf[next_out], oldi - next_out);
2272 /* OK, this at least will *usually* work */
2273 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2277 if (loggedOn && !intfSet) {
2278 if (ics_type == ICS_ICC) {
2280 "/set-quietly interface %s\n/set-quietly style 12\n",
2282 } else if (ics_type == ICS_CHESSNET) {
2283 sprintf(str, "/style 12\n");
2285 strcpy(str, "alias $ @\n$set interface ");
2286 strcat(str, programVersion);
2287 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2289 strcat(str, "$iset nohighlight 1\n");
2291 strcat(str, "$iset lock 1\n$style 12\n");
2294 NotifyFrontendLogin();
2298 if (started == STARTED_COMMENT) {
2299 /* Accumulate characters in comment */
2300 parse[parse_pos++] = buf[i];
2301 if (buf[i] == '\n') {
2302 parse[parse_pos] = NULLCHAR;
2303 if(chattingPartner>=0) {
2305 sprintf(mess, "%s%s", talker, parse);
2306 OutputChatMessage(chattingPartner, mess);
2307 chattingPartner = -1;
2309 if(!suppressKibitz) // [HGM] kibitz
2310 AppendComment(forwardMostMove, StripHighlight(parse));
2311 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2312 int nrDigit = 0, nrAlph = 0, i;
2313 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2314 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2315 parse[parse_pos] = NULLCHAR;
2316 // try to be smart: if it does not look like search info, it should go to
2317 // ICS interaction window after all, not to engine-output window.
2318 for(i=0; i<parse_pos; i++) { // count letters and digits
2319 nrDigit += (parse[i] >= '0' && parse[i] <= '9');
2320 nrAlph += (parse[i] >= 'a' && parse[i] <= 'z');
2321 nrAlph += (parse[i] >= 'A' && parse[i] <= 'Z');
2323 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2324 int depth=0; float score;
2325 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2326 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2327 pvInfoList[forwardMostMove-1].depth = depth;
2328 pvInfoList[forwardMostMove-1].score = 100*score;
2330 OutputKibitz(suppressKibitz, parse);
2333 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2334 SendToPlayer(tmp, strlen(tmp));
2337 started = STARTED_NONE;
2339 /* Don't match patterns against characters in chatter */
2344 if (started == STARTED_CHATTER) {
2345 if (buf[i] != '\n') {
2346 /* Don't match patterns against characters in chatter */
2350 started = STARTED_NONE;
2353 /* Kludge to deal with rcmd protocol */
2354 if (firstTime && looking_at(buf, &i, "\001*")) {
2355 DisplayFatalError(&buf[1], 0, 1);
2361 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2364 if (appData.debugMode)
2365 fprintf(debugFP, "ics_type %d\n", ics_type);
2368 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2369 ics_type = ICS_FICS;
2371 if (appData.debugMode)
2372 fprintf(debugFP, "ics_type %d\n", ics_type);
2375 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2376 ics_type = ICS_CHESSNET;
2378 if (appData.debugMode)
2379 fprintf(debugFP, "ics_type %d\n", ics_type);
2384 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2385 looking_at(buf, &i, "Logging you in as \"*\"") ||
2386 looking_at(buf, &i, "will be \"*\""))) {
2387 strcpy(ics_handle, star_match[0]);
2391 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2393 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2394 DisplayIcsInteractionTitle(buf);
2395 have_set_title = TRUE;
2398 /* skip finger notes */
2399 if (started == STARTED_NONE &&
2400 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2401 (buf[i] == '1' && buf[i+1] == '0')) &&
2402 buf[i+2] == ':' && buf[i+3] == ' ') {
2403 started = STARTED_CHATTER;
2408 /* skip formula vars */
2409 if (started == STARTED_NONE &&
2410 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2411 started = STARTED_CHATTER;
2417 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2418 if (appData.autoKibitz && started == STARTED_NONE &&
2419 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2420 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2421 if(looking_at(buf, &i, "* kibitzes: ") &&
2422 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2423 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2424 suppressKibitz = TRUE;
2425 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2426 && (gameMode == IcsPlayingWhite)) ||
2427 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2428 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2429 started = STARTED_CHATTER; // own kibitz we simply discard
2431 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2432 parse_pos = 0; parse[0] = NULLCHAR;
2433 savingComment = TRUE;
2434 suppressKibitz = gameMode != IcsObserving ? 2 :
2435 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2439 if(looking_at(buf, &i, "kibitzed to")) { // suppress the acknowledgements of our own autoKibitz
2440 started = STARTED_CHATTER;
2441 suppressKibitz = TRUE;
2443 } // [HGM] kibitz: end of patch
2445 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2447 // [HGM] chat: intercept tells by users for which we have an open chat window
2449 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2450 looking_at(buf, &i, "* whispers:") ||
2451 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2452 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2454 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2455 chattingPartner = -1;
2457 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2458 for(p=0; p<MAX_CHAT; p++) {
2459 if(channel == atoi(chatPartner[p])) {
2460 talker[0] = '['; strcat(talker, "]");
2461 chattingPartner = p; break;
2464 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2465 for(p=0; p<MAX_CHAT; p++) {
2466 if(!strcmp("WHISPER", chatPartner[p])) {
2467 talker[0] = '['; strcat(talker, "]");
2468 chattingPartner = p; break;
2471 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2472 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2474 chattingPartner = p; break;
2476 if(chattingPartner<0) i = oldi; else {
2477 started = STARTED_COMMENT;
2478 parse_pos = 0; parse[0] = NULLCHAR;
2479 savingComment = TRUE;
2480 suppressKibitz = TRUE;
2482 } // [HGM] chat: end of patch
2484 if (appData.zippyTalk || appData.zippyPlay) {
2485 /* [DM] Backup address for color zippy lines */
2489 if (loggedOn == TRUE)
2490 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2491 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2493 if (ZippyControl(buf, &i) ||
2494 ZippyConverse(buf, &i) ||
2495 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2497 if (!appData.colorize) continue;
2501 } // [DM] 'else { ' deleted
2503 /* Regular tells and says */
2504 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2505 looking_at(buf, &i, "* (your partner) tells you: ") ||
2506 looking_at(buf, &i, "* says: ") ||
2507 /* Don't color "message" or "messages" output */
2508 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2509 looking_at(buf, &i, "*. * at *:*: ") ||
2510 looking_at(buf, &i, "--* (*:*): ") ||
2511 /* Message notifications (same color as tells) */
2512 looking_at(buf, &i, "* has left a message ") ||
2513 looking_at(buf, &i, "* just sent you a message:\n") ||
2514 /* Whispers and kibitzes */
2515 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2516 looking_at(buf, &i, "* kibitzes: ") ||
2518 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2520 if (tkind == 1 && strchr(star_match[0], ':')) {
2521 /* Avoid "tells you:" spoofs in channels */
2524 if (star_match[0][0] == NULLCHAR ||
2525 strchr(star_match[0], ' ') ||
2526 (tkind == 3 && strchr(star_match[1], ' '))) {
2527 /* Reject bogus matches */
2530 if (appData.colorize) {
2531 if (oldi > next_out) {
2532 SendToPlayer(&buf[next_out], oldi - next_out);
2537 Colorize(ColorTell, FALSE);
2538 curColor = ColorTell;
2541 Colorize(ColorKibitz, FALSE);
2542 curColor = ColorKibitz;
2545 p = strrchr(star_match[1], '(');
2552 Colorize(ColorChannel1, FALSE);
2553 curColor = ColorChannel1;
2555 Colorize(ColorChannel, FALSE);
2556 curColor = ColorChannel;
2560 curColor = ColorNormal;
2564 if (started == STARTED_NONE && appData.autoComment &&
2565 (gameMode == IcsObserving ||
2566 gameMode == IcsPlayingWhite ||
2567 gameMode == IcsPlayingBlack)) {
2568 parse_pos = i - oldi;
2569 memcpy(parse, &buf[oldi], parse_pos);
2570 parse[parse_pos] = NULLCHAR;
2571 started = STARTED_COMMENT;
2572 savingComment = TRUE;
2574 started = STARTED_CHATTER;
2575 savingComment = FALSE;
2582 if (looking_at(buf, &i, "* s-shouts: ") ||
2583 looking_at(buf, &i, "* c-shouts: ")) {
2584 if (appData.colorize) {
2585 if (oldi > next_out) {
2586 SendToPlayer(&buf[next_out], oldi - next_out);
2589 Colorize(ColorSShout, FALSE);
2590 curColor = ColorSShout;
2593 started = STARTED_CHATTER;
2597 if (looking_at(buf, &i, "--->")) {
2602 if (looking_at(buf, &i, "* shouts: ") ||
2603 looking_at(buf, &i, "--> ")) {
2604 if (appData.colorize) {
2605 if (oldi > next_out) {
2606 SendToPlayer(&buf[next_out], oldi - next_out);
2609 Colorize(ColorShout, FALSE);
2610 curColor = ColorShout;
2613 started = STARTED_CHATTER;
2617 if (looking_at( buf, &i, "Challenge:")) {
2618 if (appData.colorize) {
2619 if (oldi > next_out) {
2620 SendToPlayer(&buf[next_out], oldi - next_out);
2623 Colorize(ColorChallenge, FALSE);
2624 curColor = ColorChallenge;
2630 if (looking_at(buf, &i, "* offers you") ||
2631 looking_at(buf, &i, "* offers to be") ||
2632 looking_at(buf, &i, "* would like to") ||
2633 looking_at(buf, &i, "* requests to") ||
2634 looking_at(buf, &i, "Your opponent offers") ||
2635 looking_at(buf, &i, "Your opponent requests")) {
2637 if (appData.colorize) {
2638 if (oldi > next_out) {
2639 SendToPlayer(&buf[next_out], oldi - next_out);
2642 Colorize(ColorRequest, FALSE);
2643 curColor = ColorRequest;
2648 if (looking_at(buf, &i, "* (*) seeking")) {
2649 if (appData.colorize) {
2650 if (oldi > next_out) {
2651 SendToPlayer(&buf[next_out], oldi - next_out);
2654 Colorize(ColorSeek, FALSE);
2655 curColor = ColorSeek;
2660 if (looking_at(buf, &i, "\\ ")) {
2661 if (prevColor != ColorNormal) {
2662 if (oldi > next_out) {
2663 SendToPlayer(&buf[next_out], oldi - next_out);
2666 Colorize(prevColor, TRUE);
2667 curColor = prevColor;
2669 if (savingComment) {
2670 parse_pos = i - oldi;
2671 memcpy(parse, &buf[oldi], parse_pos);
2672 parse[parse_pos] = NULLCHAR;
2673 started = STARTED_COMMENT;
2675 started = STARTED_CHATTER;
2680 if (looking_at(buf, &i, "Black Strength :") ||
2681 looking_at(buf, &i, "<<< style 10 board >>>") ||
2682 looking_at(buf, &i, "<10>") ||
2683 looking_at(buf, &i, "#@#")) {
2684 /* Wrong board style */
2686 SendToICS(ics_prefix);
2687 SendToICS("set style 12\n");
2688 SendToICS(ics_prefix);
2689 SendToICS("refresh\n");
2693 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2695 have_sent_ICS_logon = 1;
2699 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2700 (looking_at(buf, &i, "\n<12> ") ||
2701 looking_at(buf, &i, "<12> "))) {
2703 if (oldi > next_out) {
2704 SendToPlayer(&buf[next_out], oldi - next_out);
2707 started = STARTED_BOARD;
2712 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2713 looking_at(buf, &i, "<b1> ")) {
2714 if (oldi > next_out) {
2715 SendToPlayer(&buf[next_out], oldi - next_out);
2718 started = STARTED_HOLDINGS;
2723 if (looking_at(buf, &i, "* *vs. * *--- *")) {
2725 /* Header for a move list -- first line */
2727 switch (ics_getting_history) {
2731 case BeginningOfGame:
2732 /* User typed "moves" or "oldmoves" while we
2733 were idle. Pretend we asked for these
2734 moves and soak them up so user can step
2735 through them and/or save them.
2738 gameMode = IcsObserving;
2741 ics_getting_history = H_GOT_UNREQ_HEADER;
2743 case EditGame: /*?*/
2744 case EditPosition: /*?*/
2745 /* Should above feature work in these modes too? */
2746 /* For now it doesn't */
2747 ics_getting_history = H_GOT_UNWANTED_HEADER;
2750 ics_getting_history = H_GOT_UNWANTED_HEADER;
2755 /* Is this the right one? */
2756 if (gameInfo.white && gameInfo.black &&
2757 strcmp(gameInfo.white, star_match[0]) == 0 &&
2758 strcmp(gameInfo.black, star_match[2]) == 0) {
2760 ics_getting_history = H_GOT_REQ_HEADER;
2763 case H_GOT_REQ_HEADER:
2764 case H_GOT_UNREQ_HEADER:
2765 case H_GOT_UNWANTED_HEADER:
2766 case H_GETTING_MOVES:
2767 /* Should not happen */
2768 DisplayError(_("Error gathering move list: two headers"), 0);
2769 ics_getting_history = H_FALSE;
2773 /* Save player ratings into gameInfo if needed */
2774 if ((ics_getting_history == H_GOT_REQ_HEADER ||
2775 ics_getting_history == H_GOT_UNREQ_HEADER) &&
2776 (gameInfo.whiteRating == -1 ||
2777 gameInfo.blackRating == -1)) {
2779 gameInfo.whiteRating = string_to_rating(star_match[1]);
2780 gameInfo.blackRating = string_to_rating(star_match[3]);
2781 if (appData.debugMode)
2782 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
2783 gameInfo.whiteRating, gameInfo.blackRating);
2788 if (looking_at(buf, &i,
2789 "* * match, initial time: * minute*, increment: * second")) {
2790 /* Header for a move list -- second line */
2791 /* Initial board will follow if this is a wild game */
2792 if (gameInfo.event != NULL) free(gameInfo.event);
2793 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2794 gameInfo.event = StrSave(str);
2795 /* [HGM] we switched variant. Translate boards if needed. */
2796 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
2800 if (looking_at(buf, &i, "Move ")) {
2801 /* Beginning of a move list */
2802 switch (ics_getting_history) {
2804 /* Normally should not happen */
2805 /* Maybe user hit reset while we were parsing */
2808 /* Happens if we are ignoring a move list that is not
2809 * the one we just requested. Common if the user
2810 * tries to observe two games without turning off
2813 case H_GETTING_MOVES:
2814 /* Should not happen */
2815 DisplayError(_("Error gathering move list: nested"), 0);
2816 ics_getting_history = H_FALSE;
2818 case H_GOT_REQ_HEADER:
2819 ics_getting_history = H_GETTING_MOVES;
2820 started = STARTED_MOVES;
2822 if (oldi > next_out) {
2823 SendToPlayer(&buf[next_out], oldi - next_out);
2826 case H_GOT_UNREQ_HEADER:
2827 ics_getting_history = H_GETTING_MOVES;
2828 started = STARTED_MOVES_NOHIDE;
2831 case H_GOT_UNWANTED_HEADER:
2832 ics_getting_history = H_FALSE;
2838 if (looking_at(buf, &i, "% ") ||
2839 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2840 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
2841 savingComment = FALSE;
2844 case STARTED_MOVES_NOHIDE:
2845 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2846 parse[parse_pos + i - oldi] = NULLCHAR;
2847 ParseGameHistory(parse);
2849 if (appData.zippyPlay && first.initDone) {
2850 FeedMovesToProgram(&first, forwardMostMove);
2851 if (gameMode == IcsPlayingWhite) {
2852 if (WhiteOnMove(forwardMostMove)) {
2853 if (first.sendTime) {
2854 if (first.useColors) {
2855 SendToProgram("black\n", &first);
2857 SendTimeRemaining(&first, TRUE);
2859 if (first.useColors) {
2860 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
2862 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
2863 first.maybeThinking = TRUE;
2865 if (first.usePlayother) {
2866 if (first.sendTime) {
2867 SendTimeRemaining(&first, TRUE);
2869 SendToProgram("playother\n", &first);
2875 } else if (gameMode == IcsPlayingBlack) {
2876 if (!WhiteOnMove(forwardMostMove)) {
2877 if (first.sendTime) {
2878 if (first.useColors) {
2879 SendToProgram("white\n", &first);
2881 SendTimeRemaining(&first, FALSE);
2883 if (first.useColors) {
2884 SendToProgram("black\n", &first);
2886 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
2887 first.maybeThinking = TRUE;
2889 if (first.usePlayother) {
2890 if (first.sendTime) {
2891 SendTimeRemaining(&first, FALSE);
2893 SendToProgram("playother\n", &first);
2902 if (gameMode == IcsObserving && ics_gamenum == -1) {
2903 /* Moves came from oldmoves or moves command
2904 while we weren't doing anything else.
2906 currentMove = forwardMostMove;
2907 ClearHighlights();/*!!could figure this out*/
2908 flipView = appData.flipView;
2909 DrawPosition(TRUE, boards[currentMove]);
2910 DisplayBothClocks();
2911 sprintf(str, "%s vs. %s",
2912 gameInfo.white, gameInfo.black);
2916 /* Moves were history of an active game */
2917 if (gameInfo.resultDetails != NULL) {
2918 free(gameInfo.resultDetails);
2919 gameInfo.resultDetails = NULL;
2922 HistorySet(parseList, backwardMostMove,
2923 forwardMostMove, currentMove-1);
2924 DisplayMove(currentMove - 1);
2925 if (started == STARTED_MOVES) next_out = i;
2926 started = STARTED_NONE;
2927 ics_getting_history = H_FALSE;
2930 case STARTED_OBSERVE:
2931 started = STARTED_NONE;
2932 SendToICS(ics_prefix);
2933 SendToICS("refresh\n");
2939 if(bookHit) { // [HGM] book: simulate book reply
2940 static char bookMove[MSG_SIZ]; // a bit generous?
2942 programStats.nodes = programStats.depth = programStats.time =
2943 programStats.score = programStats.got_only_move = 0;
2944 sprintf(programStats.movelist, "%s (xbook)", bookHit);
2946 strcpy(bookMove, "move ");
2947 strcat(bookMove, bookHit);
2948 HandleMachineMove(bookMove, &first);
2953 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2954 started == STARTED_HOLDINGS ||
2955 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2956 /* Accumulate characters in move list or board */
2957 parse[parse_pos++] = buf[i];
2960 /* Start of game messages. Mostly we detect start of game
2961 when the first board image arrives. On some versions
2962 of the ICS, though, we need to do a "refresh" after starting
2963 to observe in order to get the current board right away. */
2964 if (looking_at(buf, &i, "Adding game * to observation list")) {
2965 started = STARTED_OBSERVE;
2969 /* Handle auto-observe */
2970 if (appData.autoObserve &&
2971 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2972 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2974 /* Choose the player that was highlighted, if any. */
2975 if (star_match[0][0] == '\033' ||
2976 star_match[1][0] != '\033') {
2977 player = star_match[0];
2979 player = star_match[2];
2981 sprintf(str, "%sobserve %s\n",
2982 ics_prefix, StripHighlightAndTitle(player));
2985 /* Save ratings from notify string */
2986 strcpy(player1Name, star_match[0]);
2987 player1Rating = string_to_rating(star_match[1]);
2988 strcpy(player2Name, star_match[2]);
2989 player2Rating = string_to_rating(star_match[3]);
2991 if (appData.debugMode)
2993 "Ratings from 'Game notification:' %s %d, %s %d\n",
2994 player1Name, player1Rating,
2995 player2Name, player2Rating);
3000 /* Deal with automatic examine mode after a game,
3001 and with IcsObserving -> IcsExamining transition */
3002 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3003 looking_at(buf, &i, "has made you an examiner of game *")) {
3005 int gamenum = atoi(star_match[0]);
3006 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3007 gamenum == ics_gamenum) {
3008 /* We were already playing or observing this game;
3009 no need to refetch history */
3010 gameMode = IcsExamining;
3012 pauseExamForwardMostMove = forwardMostMove;
3013 } else if (currentMove < forwardMostMove) {
3014 ForwardInner(forwardMostMove);
3017 /* I don't think this case really can happen */
3018 SendToICS(ics_prefix);
3019 SendToICS("refresh\n");
3024 /* Error messages */
3025 // if (ics_user_moved) {
3026 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3027 if (looking_at(buf, &i, "Illegal move") ||
3028 looking_at(buf, &i, "Not a legal move") ||
3029 looking_at(buf, &i, "Your king is in check") ||
3030 looking_at(buf, &i, "It isn't your turn") ||
3031 looking_at(buf, &i, "It is not your move")) {
3033 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3034 currentMove = --forwardMostMove;
3035 DisplayMove(currentMove - 1); /* before DMError */
3036 DrawPosition(FALSE, boards[currentMove]);
3038 DisplayBothClocks();
3040 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3046 if (looking_at(buf, &i, "still have time") ||
3047 looking_at(buf, &i, "not out of time") ||
3048 looking_at(buf, &i, "either player is out of time") ||
3049 looking_at(buf, &i, "has timeseal; checking")) {
3050 /* We must have called his flag a little too soon */
3051 whiteFlag = blackFlag = FALSE;
3055 if (looking_at(buf, &i, "added * seconds to") ||
3056 looking_at(buf, &i, "seconds were added to")) {
3057 /* Update the clocks */
3058 SendToICS(ics_prefix);
3059 SendToICS("refresh\n");
3063 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3064 ics_clock_paused = TRUE;
3069 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3070 ics_clock_paused = FALSE;
3075 /* Grab player ratings from the Creating: message.
3076 Note we have to check for the special case when
3077 the ICS inserts things like [white] or [black]. */
3078 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3079 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3081 0 player 1 name (not necessarily white)
3083 2 empty, white, or black (IGNORED)
3084 3 player 2 name (not necessarily black)
3087 The names/ratings are sorted out when the game
3088 actually starts (below).
3090 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3091 player1Rating = string_to_rating(star_match[1]);
3092 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3093 player2Rating = string_to_rating(star_match[4]);
3095 if (appData.debugMode)
3097 "Ratings from 'Creating:' %s %d, %s %d\n",
3098 player1Name, player1Rating,
3099 player2Name, player2Rating);
3104 /* Improved generic start/end-of-game messages */
3105 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3106 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3107 /* If tkind == 0: */
3108 /* star_match[0] is the game number */
3109 /* [1] is the white player's name */
3110 /* [2] is the black player's name */
3111 /* For end-of-game: */
3112 /* [3] is the reason for the game end */
3113 /* [4] is a PGN end game-token, preceded by " " */
3114 /* For start-of-game: */
3115 /* [3] begins with "Creating" or "Continuing" */
3116 /* [4] is " *" or empty (don't care). */
3117 int gamenum = atoi(star_match[0]);
3118 char *whitename, *blackname, *why, *endtoken;
3119 ChessMove endtype = (ChessMove) 0;
3122 whitename = star_match[1];
3123 blackname = star_match[2];
3124 why = star_match[3];
3125 endtoken = star_match[4];
3127 whitename = star_match[1];
3128 blackname = star_match[3];
3129 why = star_match[5];
3130 endtoken = star_match[6];
3133 /* Game start messages */
3134 if (strncmp(why, "Creating ", 9) == 0 ||
3135 strncmp(why, "Continuing ", 11) == 0) {
3136 gs_gamenum = gamenum;
3137 strcpy(gs_kind, strchr(why, ' ') + 1);
3139 if (appData.zippyPlay) {
3140 ZippyGameStart(whitename, blackname);
3146 /* Game end messages */
3147 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3148 ics_gamenum != gamenum) {
3151 while (endtoken[0] == ' ') endtoken++;
3152 switch (endtoken[0]) {
3155 endtype = GameUnfinished;
3158 endtype = BlackWins;
3161 if (endtoken[1] == '/')
3162 endtype = GameIsDrawn;
3164 endtype = WhiteWins;
3167 GameEnds(endtype, why, GE_ICS);
3169 if (appData.zippyPlay && first.initDone) {
3170 ZippyGameEnd(endtype, why);
3171 if (first.pr == NULL) {
3172 /* Start the next process early so that we'll
3173 be ready for the next challenge */
3174 StartChessProgram(&first);
3176 /* Send "new" early, in case this command takes
3177 a long time to finish, so that we'll be ready
3178 for the next challenge. */
3179 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3186 if (looking_at(buf, &i, "Removing game * from observation") ||
3187 looking_at(buf, &i, "no longer observing game *") ||
3188 looking_at(buf, &i, "Game * (*) has no examiners")) {
3189 if (gameMode == IcsObserving &&
3190 atoi(star_match[0]) == ics_gamenum)
3192 /* icsEngineAnalyze */
3193 if (appData.icsEngineAnalyze) {
3200 ics_user_moved = FALSE;
3205 if (looking_at(buf, &i, "no longer examining game *")) {
3206 if (gameMode == IcsExamining &&
3207 atoi(star_match[0]) == ics_gamenum)
3211 ics_user_moved = FALSE;
3216 /* Advance leftover_start past any newlines we find,
3217 so only partial lines can get reparsed */
3218 if (looking_at(buf, &i, "\n")) {
3219 prevColor = curColor;
3220 if (curColor != ColorNormal) {
3221 if (oldi > next_out) {
3222 SendToPlayer(&buf[next_out], oldi - next_out);
3225 Colorize(ColorNormal, FALSE);
3226 curColor = ColorNormal;
3228 if (started == STARTED_BOARD) {
3229 started = STARTED_NONE;
3230 parse[parse_pos] = NULLCHAR;
3231 ParseBoard12(parse);
3234 /* Send premove here */
3235 if (appData.premove) {
3237 if (currentMove == 0 &&
3238 gameMode == IcsPlayingWhite &&
3239 appData.premoveWhite) {
3240 sprintf(str, "%s\n", appData.premoveWhiteText);
3241 if (appData.debugMode)
3242 fprintf(debugFP, "Sending premove:\n");
3244 } else if (currentMove == 1 &&
3245 gameMode == IcsPlayingBlack &&
3246 appData.premoveBlack) {
3247 sprintf(str, "%s\n", appData.premoveBlackText);
3248 if (appData.debugMode)
3249 fprintf(debugFP, "Sending premove:\n");
3251 } else if (gotPremove) {
3253 ClearPremoveHighlights();
3254 if (appData.debugMode)
3255 fprintf(debugFP, "Sending premove:\n");
3256 UserMoveEvent(premoveFromX, premoveFromY,
3257 premoveToX, premoveToY,
3262 /* Usually suppress following prompt */
3263 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3264 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3265 if (looking_at(buf, &i, "*% ")) {
3266 savingComment = FALSE;
3270 } else if (started == STARTED_HOLDINGS) {
3272 char new_piece[MSG_SIZ];
3273 started = STARTED_NONE;
3274 parse[parse_pos] = NULLCHAR;
3275 if (appData.debugMode)
3276 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3277 parse, currentMove);
3278 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3279 gamenum == ics_gamenum) {
3280 if (gameInfo.variant == VariantNormal) {
3281 /* [HGM] We seem to switch variant during a game!
3282 * Presumably no holdings were displayed, so we have
3283 * to move the position two files to the right to
3284 * create room for them!
3286 VariantClass newVariant;
3287 switch(gameInfo.boardWidth) { // base guess on board width
3288 case 9: newVariant = VariantShogi; break;
3289 case 10: newVariant = VariantGreat; break;
3290 default: newVariant = VariantCrazyhouse; break;
3292 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3293 /* Get a move list just to see the header, which
3294 will tell us whether this is really bug or zh */
3295 if (ics_getting_history == H_FALSE) {
3296 ics_getting_history = H_REQUESTED;
3297 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3301 new_piece[0] = NULLCHAR;
3302 sscanf(parse, "game %d white [%s black [%s <- %s",
3303 &gamenum, white_holding, black_holding,
3305 white_holding[strlen(white_holding)-1] = NULLCHAR;
3306 black_holding[strlen(black_holding)-1] = NULLCHAR;
3307 /* [HGM] copy holdings to board holdings area */
3308 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3309 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3310 boards[forwardMostMove][BOARD_SIZE-1][BOARD_SIZE-2] = 1; // flag holdings as set
3312 if (appData.zippyPlay && first.initDone) {
3313 ZippyHoldings(white_holding, black_holding,
3317 if (tinyLayout || smallLayout) {
3318 char wh[16], bh[16];
3319 PackHolding(wh, white_holding);
3320 PackHolding(bh, black_holding);
3321 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3322 gameInfo.white, gameInfo.black);
3324 sprintf(str, "%s [%s] vs. %s [%s]",
3325 gameInfo.white, white_holding,
3326 gameInfo.black, black_holding);
3329 DrawPosition(FALSE, boards[currentMove]);
3332 /* Suppress following prompt */
3333 if (looking_at(buf, &i, "*% ")) {
3334 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3335 savingComment = FALSE;
3342 i++; /* skip unparsed character and loop back */
3345 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz suppress printing in ICS interaction window
3346 started != STARTED_HOLDINGS && i > next_out) {
3347 SendToPlayer(&buf[next_out], i - next_out);
3350 suppressKibitz = FALSE; // [HGM] kibitz: has done its duty in if-statement above
3352 leftover_len = buf_len - leftover_start;
3353 /* if buffer ends with something we couldn't parse,
3354 reparse it after appending the next read */
3356 } else if (count == 0) {
3357 RemoveInputSource(isr);
3358 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3360 DisplayFatalError(_("Error reading from ICS"), error, 1);
3365 /* Board style 12 looks like this:
3367 <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
3369 * The "<12> " is stripped before it gets to this routine. The two
3370 * trailing 0's (flip state and clock ticking) are later addition, and
3371 * some chess servers may not have them, or may have only the first.
3372 * Additional trailing fields may be added in the future.
3375 #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"
3377 #define RELATION_OBSERVING_PLAYED 0
3378 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3379 #define RELATION_PLAYING_MYMOVE 1
3380 #define RELATION_PLAYING_NOTMYMOVE -1
3381 #define RELATION_EXAMINING 2
3382 #define RELATION_ISOLATED_BOARD -3
3383 #define RELATION_STARTING_POSITION -4 /* FICS only */
3386 ParseBoard12(string)
3389 GameMode newGameMode;
3390 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3391 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3392 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3393 char to_play, board_chars[200];
3394 char move_str[500], str[500], elapsed_time[500];
3395 char black[32], white[32];
3397 int prevMove = currentMove;
3400 int fromX, fromY, toX, toY;
3402 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3403 char *bookHit = NULL; // [HGM] book
3404 Boolean weird = FALSE, reqFlag = FALSE;
3406 fromX = fromY = toX = toY = -1;
3410 if (appData.debugMode)
3411 fprintf(debugFP, _("Parsing board: %s\n"), string);
3413 move_str[0] = NULLCHAR;
3414 elapsed_time[0] = NULLCHAR;
3415 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3417 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3418 if(string[i] == ' ') { ranks++; files = 0; }
3420 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3423 for(j = 0; j <i; j++) board_chars[j] = string[j];
3424 board_chars[i] = '\0';
3427 n = sscanf(string, PATTERN, &to_play, &double_push,
3428 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3429 &gamenum, white, black, &relation, &basetime, &increment,
3430 &white_stren, &black_stren, &white_time, &black_time,
3431 &moveNum, str, elapsed_time, move_str, &ics_flip,
3435 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3436 DisplayError(str, 0);
3440 /* Convert the move number to internal form */
3441 moveNum = (moveNum - 1) * 2;
3442 if (to_play == 'B') moveNum++;
3443 if (moveNum >= MAX_MOVES) {
3444 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3450 case RELATION_OBSERVING_PLAYED:
3451 case RELATION_OBSERVING_STATIC:
3452 if (gamenum == -1) {
3453 /* Old ICC buglet */
3454 relation = RELATION_OBSERVING_STATIC;
3456 newGameMode = IcsObserving;
3458 case RELATION_PLAYING_MYMOVE:
3459 case RELATION_PLAYING_NOTMYMOVE:
3461 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3462 IcsPlayingWhite : IcsPlayingBlack;
3464 case RELATION_EXAMINING:
3465 newGameMode = IcsExamining;
3467 case RELATION_ISOLATED_BOARD:
3469 /* Just display this board. If user was doing something else,
3470 we will forget about it until the next board comes. */
3471 newGameMode = IcsIdle;
3473 case RELATION_STARTING_POSITION:
3474 newGameMode = gameMode;
3478 /* Modify behavior for initial board display on move listing
3481 switch (ics_getting_history) {
3485 case H_GOT_REQ_HEADER:
3486 case H_GOT_UNREQ_HEADER:
3487 /* This is the initial position of the current game */
3488 gamenum = ics_gamenum;
3489 moveNum = 0; /* old ICS bug workaround */
3490 if (to_play == 'B') {
3491 startedFromSetupPosition = TRUE;
3492 blackPlaysFirst = TRUE;
3494 if (forwardMostMove == 0) forwardMostMove = 1;
3495 if (backwardMostMove == 0) backwardMostMove = 1;
3496 if (currentMove == 0) currentMove = 1;
3498 newGameMode = gameMode;
3499 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3501 case H_GOT_UNWANTED_HEADER:
3502 /* This is an initial board that we don't want */
3504 case H_GETTING_MOVES:
3505 /* Should not happen */
3506 DisplayError(_("Error gathering move list: extra board"), 0);
3507 ics_getting_history = H_FALSE;
3511 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3512 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3513 /* [HGM] We seem to have switched variant unexpectedly
3514 * Try to guess new variant from board size
3516 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3517 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3518 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3519 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3520 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3521 if(!weird) newVariant = VariantNormal;
3522 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3523 /* Get a move list just to see the header, which
3524 will tell us whether this is really bug or zh */
3525 if (ics_getting_history == H_FALSE) {
3526 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3527 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3532 /* Take action if this is the first board of a new game, or of a
3533 different game than is currently being displayed. */
3534 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3535 relation == RELATION_ISOLATED_BOARD) {
3537 /* Forget the old game and get the history (if any) of the new one */
3538 if (gameMode != BeginningOfGame) {
3542 if (appData.autoRaiseBoard) BoardToTop();
3544 if (gamenum == -1) {
3545 newGameMode = IcsIdle;
3546 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3547 appData.getMoveList && !reqFlag) {
3548 /* Need to get game history */
3549 ics_getting_history = H_REQUESTED;
3550 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3554 /* Initially flip the board to have black on the bottom if playing
3555 black or if the ICS flip flag is set, but let the user change
3556 it with the Flip View button. */
3557 flipView = appData.autoFlipView ?
3558 (newGameMode == IcsPlayingBlack) || ics_flip :
3561 /* Done with values from previous mode; copy in new ones */
3562 gameMode = newGameMode;
3564 ics_gamenum = gamenum;
3565 if (gamenum == gs_gamenum) {
3566 int klen = strlen(gs_kind);
3567 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3568 sprintf(str, "ICS %s", gs_kind);
3569 gameInfo.event = StrSave(str);
3571 gameInfo.event = StrSave("ICS game");
3573 gameInfo.site = StrSave(appData.icsHost);
3574 gameInfo.date = PGNDate();
3575 gameInfo.round = StrSave("-");
3576 gameInfo.white = StrSave(white);
3577 gameInfo.black = StrSave(black);
3578 timeControl = basetime * 60 * 1000;
3580 timeIncrement = increment * 1000;
3581 movesPerSession = 0;
3582 gameInfo.timeControl = TimeControlTagValue();
3583 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3584 if (appData.debugMode) {
3585 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3586 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3587 setbuf(debugFP, NULL);
3590 gameInfo.outOfBook = NULL;
3592 /* Do we have the ratings? */
3593 if (strcmp(player1Name, white) == 0 &&
3594 strcmp(player2Name, black) == 0) {
3595 if (appData.debugMode)
3596 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3597 player1Rating, player2Rating);
3598 gameInfo.whiteRating = player1Rating;
3599 gameInfo.blackRating = player2Rating;
3600 } else if (strcmp(player2Name, white) == 0 &&
3601 strcmp(player1Name, black) == 0) {
3602 if (appData.debugMode)
3603 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3604 player2Rating, player1Rating);
3605 gameInfo.whiteRating = player2Rating;
3606 gameInfo.blackRating = player1Rating;
3608 player1Name[0] = player2Name[0] = NULLCHAR;
3610 /* Silence shouts if requested */
3611 if (appData.quietPlay &&
3612 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3613 SendToICS(ics_prefix);
3614 SendToICS("set shout 0\n");
3618 /* Deal with midgame name changes */
3620 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3621 if (gameInfo.white) free(gameInfo.white);
3622 gameInfo.white = StrSave(white);
3624 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3625 if (gameInfo.black) free(gameInfo.black);
3626 gameInfo.black = StrSave(black);
3630 /* Throw away game result if anything actually changes in examine mode */
3631 if (gameMode == IcsExamining && !newGame) {
3632 gameInfo.result = GameUnfinished;
3633 if (gameInfo.resultDetails != NULL) {
3634 free(gameInfo.resultDetails);
3635 gameInfo.resultDetails = NULL;
3639 /* In pausing && IcsExamining mode, we ignore boards coming
3640 in if they are in a different variation than we are. */
3641 if (pauseExamInvalid) return;
3642 if (pausing && gameMode == IcsExamining) {
3643 if (moveNum <= pauseExamForwardMostMove) {
3644 pauseExamInvalid = TRUE;
3645 forwardMostMove = pauseExamForwardMostMove;
3650 if (appData.debugMode) {
3651 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3653 /* Parse the board */
3654 for (k = 0; k < ranks; k++) {
3655 for (j = 0; j < files; j++)
3656 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3657 if(gameInfo.holdingsWidth > 1) {
3658 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3659 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3662 CopyBoard(boards[moveNum], board);
3663 boards[moveNum][BOARD_SIZE-1][BOARD_SIZE-2] = 0; // [HGM] indicate holdings not set
3665 startedFromSetupPosition =
3666 !CompareBoards(board, initialPosition);
3667 if(startedFromSetupPosition)
3668 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3671 /* [HGM] Set castling rights. Take the outermost Rooks,
3672 to make it also work for FRC opening positions. Note that board12
3673 is really defective for later FRC positions, as it has no way to
3674 indicate which Rook can castle if they are on the same side of King.
3675 For the initial position we grant rights to the outermost Rooks,
3676 and remember thos rights, and we then copy them on positions
3677 later in an FRC game. This means WB might not recognize castlings with
3678 Rooks that have moved back to their original position as illegal,
3679 but in ICS mode that is not its job anyway.
3681 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3682 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3684 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3685 if(board[0][i] == WhiteRook) j = i;
3686 initialRights[0] = castlingRights[moveNum][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3687 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3688 if(board[0][i] == WhiteRook) j = i;
3689 initialRights[1] = castlingRights[moveNum][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3690 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3691 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3692 initialRights[3] = castlingRights[moveNum][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3693 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3694 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3695 initialRights[4] = castlingRights[moveNum][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3697 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
3698 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3699 if(board[0][k] == wKing) initialRights[2] = castlingRights[moveNum][2] = k;
3700 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3701 if(board[BOARD_HEIGHT-1][k] == bKing)
3702 initialRights[5] = castlingRights[moveNum][5] = k;
3704 r = castlingRights[moveNum][0] = initialRights[0];
3705 if(board[0][r] != WhiteRook) castlingRights[moveNum][0] = -1;
3706 r = castlingRights[moveNum][1] = initialRights[1];
3707 if(board[0][r] != WhiteRook) castlingRights[moveNum][1] = -1;
3708 r = castlingRights[moveNum][3] = initialRights[3];
3709 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][3] = -1;
3710 r = castlingRights[moveNum][4] = initialRights[4];
3711 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][4] = -1;
3712 /* wildcastle kludge: always assume King has rights */
3713 r = castlingRights[moveNum][2] = initialRights[2];
3714 r = castlingRights[moveNum][5] = initialRights[5];
3716 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
3717 epStatus[moveNum] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
3720 if (ics_getting_history == H_GOT_REQ_HEADER ||
3721 ics_getting_history == H_GOT_UNREQ_HEADER) {
3722 /* This was an initial position from a move list, not
3723 the current position */
3727 /* Update currentMove and known move number limits */
3728 newMove = newGame || moveNum > forwardMostMove;
3731 forwardMostMove = backwardMostMove = currentMove = moveNum;
3732 if (gameMode == IcsExamining && moveNum == 0) {
3733 /* Workaround for ICS limitation: we are not told the wild
3734 type when starting to examine a game. But if we ask for
3735 the move list, the move list header will tell us */
3736 ics_getting_history = H_REQUESTED;
3737 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3740 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
3741 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
3743 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
3744 /* [HGM] applied this also to an engine that is silently watching */
3745 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
3746 (gameMode == IcsObserving || gameMode == IcsExamining) &&
3747 gameInfo.variant == currentlyInitializedVariant) {
3748 takeback = forwardMostMove - moveNum;
3749 for (i = 0; i < takeback; i++) {
3750 if (appData.debugMode) fprintf(debugFP, "take back move\n");
3751 SendToProgram("undo\n", &first);
3756 forwardMostMove = moveNum;
3757 if (!pausing || currentMove > forwardMostMove)
3758 currentMove = forwardMostMove;
3760 /* New part of history that is not contiguous with old part */
3761 if (pausing && gameMode == IcsExamining) {
3762 pauseExamInvalid = TRUE;
3763 forwardMostMove = pauseExamForwardMostMove;
3766 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
3768 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
3769 // [HGM] when we will receive the move list we now request, it will be
3770 // fed to the engine from the first move on. So if the engine is not
3771 // in the initial position now, bring it there.
3772 InitChessProgram(&first, 0);
3775 ics_getting_history = H_REQUESTED;
3776 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3779 forwardMostMove = backwardMostMove = currentMove = moveNum;
3782 /* Update the clocks */
3783 if (strchr(elapsed_time, '.')) {
3785 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
3786 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
3788 /* Time is in seconds */
3789 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
3790 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
3795 if (appData.zippyPlay && newGame &&
3796 gameMode != IcsObserving && gameMode != IcsIdle &&
3797 gameMode != IcsExamining)
3798 ZippyFirstBoard(moveNum, basetime, increment);
3801 /* Put the move on the move list, first converting
3802 to canonical algebraic form. */
3804 if (appData.debugMode) {
3805 if (appData.debugMode) { int f = forwardMostMove;
3806 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
3807 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
3809 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
3810 fprintf(debugFP, "moveNum = %d\n", moveNum);
3811 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
3812 setbuf(debugFP, NULL);
3814 if (moveNum <= backwardMostMove) {
3815 /* We don't know what the board looked like before
3817 strcpy(parseList[moveNum - 1], move_str);
3818 strcat(parseList[moveNum - 1], " ");
3819 strcat(parseList[moveNum - 1], elapsed_time);
3820 moveList[moveNum - 1][0] = NULLCHAR;
3821 } else if (strcmp(move_str, "none") == 0) {
3822 // [HGM] long SAN: swapped order; test for 'none' before parsing move
3823 /* Again, we don't know what the board looked like;
3824 this is really the start of the game. */
3825 parseList[moveNum - 1][0] = NULLCHAR;
3826 moveList[moveNum - 1][0] = NULLCHAR;
3827 backwardMostMove = moveNum;
3828 startedFromSetupPosition = TRUE;
3829 fromX = fromY = toX = toY = -1;
3831 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
3832 // So we parse the long-algebraic move string in stead of the SAN move
3833 int valid; char buf[MSG_SIZ], *prom;
3835 // str looks something like "Q/a1-a2"; kill the slash
3837 sprintf(buf, "%c%s", str[0], str+2);
3838 else strcpy(buf, str); // might be castling
3839 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
3840 strcat(buf, prom); // long move lacks promo specification!
3841 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
3842 if(appData.debugMode)
3843 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
3844 strcpy(move_str, buf);
3846 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
3847 &fromX, &fromY, &toX, &toY, &promoChar)
3848 || ParseOneMove(buf, moveNum - 1, &moveType,
3849 &fromX, &fromY, &toX, &toY, &promoChar);
3850 // end of long SAN patch
3852 (void) CoordsToAlgebraic(boards[moveNum - 1],
3853 PosFlags(moveNum - 1), EP_UNKNOWN,
3854 fromY, fromX, toY, toX, promoChar,
3855 parseList[moveNum-1]);
3856 switch (MateTest(boards[moveNum], PosFlags(moveNum), EP_UNKNOWN,
3857 castlingRights[moveNum]) ) {
3863 if(gameInfo.variant != VariantShogi)
3864 strcat(parseList[moveNum - 1], "+");
3867 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
3868 strcat(parseList[moveNum - 1], "#");
3871 strcat(parseList[moveNum - 1], " ");
3872 strcat(parseList[moveNum - 1], elapsed_time);
3873 /* currentMoveString is set as a side-effect of ParseOneMove */
3874 strcpy(moveList[moveNum - 1], currentMoveString);
3875 strcat(moveList[moveNum - 1], "\n");
3877 /* Move from ICS was illegal!? Punt. */
3878 if (appData.debugMode) {
3879 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
3880 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
3882 strcpy(parseList[moveNum - 1], move_str);
3883 strcat(parseList[moveNum - 1], " ");
3884 strcat(parseList[moveNum - 1], elapsed_time);
3885 moveList[moveNum - 1][0] = NULLCHAR;
3886 fromX = fromY = toX = toY = -1;
3889 if (appData.debugMode) {
3890 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
3891 setbuf(debugFP, NULL);
3895 /* Send move to chess program (BEFORE animating it). */
3896 if (appData.zippyPlay && !newGame && newMove &&
3897 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
3899 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
3900 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
3901 if (moveList[moveNum - 1][0] == NULLCHAR) {
3902 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
3904 DisplayError(str, 0);
3906 if (first.sendTime) {
3907 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
3909 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
3910 if (firstMove && !bookHit) {
3912 if (first.useColors) {
3913 SendToProgram(gameMode == IcsPlayingWhite ?
3915 "black\ngo\n", &first);
3917 SendToProgram("go\n", &first);
3919 first.maybeThinking = TRUE;
3922 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
3923 if (moveList[moveNum - 1][0] == NULLCHAR) {
3924 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
3925 DisplayError(str, 0);
3927 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
3928 SendMoveToProgram(moveNum - 1, &first);
3935 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
3936 /* If move comes from a remote source, animate it. If it
3937 isn't remote, it will have already been animated. */
3938 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
3939 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
3941 if (!pausing && appData.highlightLastMove) {
3942 SetHighlights(fromX, fromY, toX, toY);
3946 /* Start the clocks */
3947 whiteFlag = blackFlag = FALSE;
3948 appData.clockMode = !(basetime == 0 && increment == 0);
3950 ics_clock_paused = TRUE;
3952 } else if (ticking == 1) {
3953 ics_clock_paused = FALSE;
3955 if (gameMode == IcsIdle ||
3956 relation == RELATION_OBSERVING_STATIC ||
3957 relation == RELATION_EXAMINING ||
3959 DisplayBothClocks();
3963 /* Display opponents and material strengths */
3964 if (gameInfo.variant != VariantBughouse &&
3965 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
3966 if (tinyLayout || smallLayout) {
3967 if(gameInfo.variant == VariantNormal)
3968 sprintf(str, "%s(%d) %s(%d) {%d %d}",
3969 gameInfo.white, white_stren, gameInfo.black, black_stren,
3970 basetime, increment);
3972 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
3973 gameInfo.white, white_stren, gameInfo.black, black_stren,
3974 basetime, increment, (int) gameInfo.variant);
3976 if(gameInfo.variant == VariantNormal)
3977 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
3978 gameInfo.white, white_stren, gameInfo.black, black_stren,
3979 basetime, increment);
3981 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
3982 gameInfo.white, white_stren, gameInfo.black, black_stren,
3983 basetime, increment, VariantName(gameInfo.variant));
3986 if (appData.debugMode) {
3987 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
3992 /* Display the board */
3993 if (!pausing && !appData.noGUI) {
3995 if (appData.premove)
3997 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
3998 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
3999 ClearPremoveHighlights();
4001 DrawPosition(FALSE, boards[currentMove]);
4002 DisplayMove(moveNum - 1);
4003 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4004 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4005 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4006 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4010 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4012 if(bookHit) { // [HGM] book: simulate book reply
4013 static char bookMove[MSG_SIZ]; // a bit generous?
4015 programStats.nodes = programStats.depth = programStats.time =
4016 programStats.score = programStats.got_only_move = 0;
4017 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4019 strcpy(bookMove, "move ");
4020 strcat(bookMove, bookHit);
4021 HandleMachineMove(bookMove, &first);
4030 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4031 ics_getting_history = H_REQUESTED;
4032 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4038 AnalysisPeriodicEvent(force)
4041 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4042 && !force) || !appData.periodicUpdates)
4045 /* Send . command to Crafty to collect stats */
4046 SendToProgram(".\n", &first);
4048 /* Don't send another until we get a response (this makes
4049 us stop sending to old Crafty's which don't understand
4050 the "." command (sending illegal cmds resets node count & time,
4051 which looks bad)) */
4052 programStats.ok_to_send = 0;
4055 void ics_update_width(new_width)
4058 ics_printf("set width %d\n", new_width);
4062 SendMoveToProgram(moveNum, cps)
4064 ChessProgramState *cps;
4068 if (cps->useUsermove) {
4069 SendToProgram("usermove ", cps);
4073 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4074 int len = space - parseList[moveNum];
4075 memcpy(buf, parseList[moveNum], len);
4077 buf[len] = NULLCHAR;
4079 sprintf(buf, "%s\n", parseList[moveNum]);
4081 SendToProgram(buf, cps);
4083 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4084 AlphaRank(moveList[moveNum], 4);
4085 SendToProgram(moveList[moveNum], cps);
4086 AlphaRank(moveList[moveNum], 4); // and back
4088 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4089 * the engine. It would be nice to have a better way to identify castle
4091 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4092 && cps->useOOCastle) {
4093 int fromX = moveList[moveNum][0] - AAA;
4094 int fromY = moveList[moveNum][1] - ONE;
4095 int toX = moveList[moveNum][2] - AAA;
4096 int toY = moveList[moveNum][3] - ONE;
4097 if((boards[moveNum][fromY][fromX] == WhiteKing
4098 && boards[moveNum][toY][toX] == WhiteRook)
4099 || (boards[moveNum][fromY][fromX] == BlackKing
4100 && boards[moveNum][toY][toX] == BlackRook)) {
4101 if(toX > fromX) SendToProgram("O-O\n", cps);
4102 else SendToProgram("O-O-O\n", cps);
4104 else SendToProgram(moveList[moveNum], cps);
4106 else SendToProgram(moveList[moveNum], cps);
4107 /* End of additions by Tord */
4110 /* [HGM] setting up the opening has brought engine in force mode! */
4111 /* Send 'go' if we are in a mode where machine should play. */
4112 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4113 (gameMode == TwoMachinesPlay ||
4115 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4117 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4118 SendToProgram("go\n", cps);
4119 if (appData.debugMode) {
4120 fprintf(debugFP, "(extra)\n");
4123 setboardSpoiledMachineBlack = 0;
4127 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4129 int fromX, fromY, toX, toY;
4131 char user_move[MSG_SIZ];
4135 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4136 (int)moveType, fromX, fromY, toX, toY);
4137 DisplayError(user_move + strlen("say "), 0);
4139 case WhiteKingSideCastle:
4140 case BlackKingSideCastle:
4141 case WhiteQueenSideCastleWild:
4142 case BlackQueenSideCastleWild:
4144 case WhiteHSideCastleFR:
4145 case BlackHSideCastleFR:
4147 sprintf(user_move, "o-o\n");
4149 case WhiteQueenSideCastle:
4150 case BlackQueenSideCastle:
4151 case WhiteKingSideCastleWild:
4152 case BlackKingSideCastleWild:
4154 case WhiteASideCastleFR:
4155 case BlackASideCastleFR:
4157 sprintf(user_move, "o-o-o\n");
4159 case WhitePromotionQueen:
4160 case BlackPromotionQueen:
4161 case WhitePromotionRook:
4162 case BlackPromotionRook:
4163 case WhitePromotionBishop:
4164 case BlackPromotionBishop:
4165 case WhitePromotionKnight:
4166 case BlackPromotionKnight:
4167 case WhitePromotionKing:
4168 case BlackPromotionKing:
4169 case WhitePromotionChancellor:
4170 case BlackPromotionChancellor:
4171 case WhitePromotionArchbishop:
4172 case BlackPromotionArchbishop:
4173 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier)
4174 sprintf(user_move, "%c%c%c%c=%c\n",
4175 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4176 PieceToChar(WhiteFerz));
4177 else if(gameInfo.variant == VariantGreat)
4178 sprintf(user_move, "%c%c%c%c=%c\n",
4179 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4180 PieceToChar(WhiteMan));
4182 sprintf(user_move, "%c%c%c%c=%c\n",
4183 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4184 PieceToChar(PromoPiece(moveType)));
4188 sprintf(user_move, "%c@%c%c\n",
4189 ToUpper(PieceToChar((ChessSquare) fromX)),
4190 AAA + toX, ONE + toY);
4193 case WhiteCapturesEnPassant:
4194 case BlackCapturesEnPassant:
4195 case IllegalMove: /* could be a variant we don't quite understand */
4196 sprintf(user_move, "%c%c%c%c\n",
4197 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4200 SendToICS(user_move);
4201 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4202 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4206 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4211 if (rf == DROP_RANK) {
4212 sprintf(move, "%c@%c%c\n",
4213 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4215 if (promoChar == 'x' || promoChar == NULLCHAR) {
4216 sprintf(move, "%c%c%c%c\n",
4217 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4219 sprintf(move, "%c%c%c%c%c\n",
4220 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4226 ProcessICSInitScript(f)
4231 while (fgets(buf, MSG_SIZ, f)) {
4232 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4239 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4241 AlphaRank(char *move, int n)
4243 // char *p = move, c; int x, y;
4245 if (appData.debugMode) {
4246 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4250 move[2]>='0' && move[2]<='9' &&
4251 move[3]>='a' && move[3]<='x' ) {
4253 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4254 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4256 if(move[0]>='0' && move[0]<='9' &&
4257 move[1]>='a' && move[1]<='x' &&
4258 move[2]>='0' && move[2]<='9' &&
4259 move[3]>='a' && move[3]<='x' ) {
4260 /* input move, Shogi -> normal */
4261 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4262 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4263 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4264 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4267 move[3]>='0' && move[3]<='9' &&
4268 move[2]>='a' && move[2]<='x' ) {
4270 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4271 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4274 move[0]>='a' && move[0]<='x' &&
4275 move[3]>='0' && move[3]<='9' &&
4276 move[2]>='a' && move[2]<='x' ) {
4277 /* output move, normal -> Shogi */
4278 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4279 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4280 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4281 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4282 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4284 if (appData.debugMode) {
4285 fprintf(debugFP, " out = '%s'\n", move);
4289 /* Parser for moves from gnuchess, ICS, or user typein box */
4291 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4294 ChessMove *moveType;
4295 int *fromX, *fromY, *toX, *toY;
4298 if (appData.debugMode) {
4299 fprintf(debugFP, "move to parse: %s\n", move);
4301 *moveType = yylexstr(moveNum, move);
4303 switch (*moveType) {
4304 case WhitePromotionChancellor:
4305 case BlackPromotionChancellor:
4306 case WhitePromotionArchbishop:
4307 case BlackPromotionArchbishop:
4308 case WhitePromotionQueen:
4309 case BlackPromotionQueen:
4310 case WhitePromotionRook:
4311 case BlackPromotionRook:
4312 case WhitePromotionBishop:
4313 case BlackPromotionBishop:
4314 case WhitePromotionKnight:
4315 case BlackPromotionKnight:
4316 case WhitePromotionKing:
4317 case BlackPromotionKing:
4319 case WhiteCapturesEnPassant:
4320 case BlackCapturesEnPassant:
4321 case WhiteKingSideCastle:
4322 case WhiteQueenSideCastle:
4323 case BlackKingSideCastle:
4324 case BlackQueenSideCastle:
4325 case WhiteKingSideCastleWild:
4326 case WhiteQueenSideCastleWild:
4327 case BlackKingSideCastleWild:
4328 case BlackQueenSideCastleWild:
4329 /* Code added by Tord: */
4330 case WhiteHSideCastleFR:
4331 case WhiteASideCastleFR:
4332 case BlackHSideCastleFR:
4333 case BlackASideCastleFR:
4334 /* End of code added by Tord */
4335 case IllegalMove: /* bug or odd chess variant */
4336 *fromX = currentMoveString[0] - AAA;
4337 *fromY = currentMoveString[1] - ONE;
4338 *toX = currentMoveString[2] - AAA;
4339 *toY = currentMoveString[3] - ONE;
4340 *promoChar = currentMoveString[4];
4341 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4342 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4343 if (appData.debugMode) {
4344 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4346 *fromX = *fromY = *toX = *toY = 0;
4349 if (appData.testLegality) {
4350 return (*moveType != IllegalMove);
4352 return !(fromX == fromY && toX == toY);
4357 *fromX = *moveType == WhiteDrop ?
4358 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4359 (int) CharToPiece(ToLower(currentMoveString[0]));
4361 *toX = currentMoveString[2] - AAA;
4362 *toY = currentMoveString[3] - ONE;
4363 *promoChar = NULLCHAR;
4367 case ImpossibleMove:
4368 case (ChessMove) 0: /* end of file */
4377 if (appData.debugMode) {
4378 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4381 *fromX = *fromY = *toX = *toY = 0;
4382 *promoChar = NULLCHAR;
4387 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4388 // All positions will have equal probability, but the current method will not provide a unique
4389 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4395 int piecesLeft[(int)BlackPawn];
4396 int seed, nrOfShuffles;
4398 void GetPositionNumber()
4399 { // sets global variable seed
4402 seed = appData.defaultFrcPosition;
4403 if(seed < 0) { // randomize based on time for negative FRC position numbers
4404 for(i=0; i<50; i++) seed += random();
4405 seed = random() ^ random() >> 8 ^ random() << 8;
4406 if(seed<0) seed = -seed;
4410 int put(Board board, int pieceType, int rank, int n, int shade)
4411 // put the piece on the (n-1)-th empty squares of the given shade
4415 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4416 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4417 board[rank][i] = (ChessSquare) pieceType;
4418 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4420 piecesLeft[pieceType]--;
4428 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4429 // calculate where the next piece goes, (any empty square), and put it there
4433 i = seed % squaresLeft[shade];
4434 nrOfShuffles *= squaresLeft[shade];
4435 seed /= squaresLeft[shade];
4436 put(board, pieceType, rank, i, shade);
4439 void AddTwoPieces(Board board, int pieceType, int rank)
4440 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4442 int i, n=squaresLeft[ANY], j=n-1, k;
4444 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4445 i = seed % k; // pick one
4448 while(i >= j) i -= j--;
4449 j = n - 1 - j; i += j;
4450 put(board, pieceType, rank, j, ANY);
4451 put(board, pieceType, rank, i, ANY);
4454 void SetUpShuffle(Board board, int number)
4458 GetPositionNumber(); nrOfShuffles = 1;
4460 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4461 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4462 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4464 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4466 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4467 p = (int) board[0][i];
4468 if(p < (int) BlackPawn) piecesLeft[p] ++;
4469 board[0][i] = EmptySquare;
4472 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4473 // shuffles restricted to allow normal castling put KRR first
4474 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4475 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4476 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4477 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4478 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4479 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4480 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4481 put(board, WhiteRook, 0, 0, ANY);
4482 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4485 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4486 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4487 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4488 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4489 while(piecesLeft[p] >= 2) {
4490 AddOnePiece(board, p, 0, LITE);
4491 AddOnePiece(board, p, 0, DARK);
4493 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4496 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4497 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4498 // but we leave King and Rooks for last, to possibly obey FRC restriction
4499 if(p == (int)WhiteRook) continue;
4500 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4501 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4504 // now everything is placed, except perhaps King (Unicorn) and Rooks
4506 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4507 // Last King gets castling rights
4508 while(piecesLeft[(int)WhiteUnicorn]) {
4509 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4510 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4513 while(piecesLeft[(int)WhiteKing]) {
4514 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4515 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4520 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4521 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4524 // Only Rooks can be left; simply place them all
4525 while(piecesLeft[(int)WhiteRook]) {
4526 i = put(board, WhiteRook, 0, 0, ANY);
4527 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4530 initialRights[1] = initialRights[4] = castlingRights[0][1] = castlingRights[0][4] = i;
4532 initialRights[0] = initialRights[3] = castlingRights[0][0] = castlingRights[0][3] = i;
4535 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4536 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4539 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4542 int SetCharTable( char *table, const char * map )
4543 /* [HGM] moved here from winboard.c because of its general usefulness */
4544 /* Basically a safe strcpy that uses the last character as King */
4546 int result = FALSE; int NrPieces;
4548 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4549 && NrPieces >= 12 && !(NrPieces&1)) {
4550 int i; /* [HGM] Accept even length from 12 to 34 */
4552 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4553 for( i=0; i<NrPieces/2-1; i++ ) {
4555 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4557 table[(int) WhiteKing] = map[NrPieces/2-1];
4558 table[(int) BlackKing] = map[NrPieces-1];
4566 void Prelude(Board board)
4567 { // [HGM] superchess: random selection of exo-pieces
4568 int i, j, k; ChessSquare p;
4569 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4571 GetPositionNumber(); // use FRC position number
4573 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
4574 SetCharTable(pieceToChar, appData.pieceToCharTable);
4575 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
4576 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
4579 j = seed%4; seed /= 4;
4580 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4581 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4582 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4583 j = seed%3 + (seed%3 >= j); seed /= 3;
4584 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4585 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4586 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4587 j = seed%3; seed /= 3;
4588 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4589 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4590 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4591 j = seed%2 + (seed%2 >= j); seed /= 2;
4592 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4593 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4594 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4595 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
4596 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
4597 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
4598 put(board, exoPieces[0], 0, 0, ANY);
4599 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
4603 InitPosition(redraw)
4606 ChessSquare (* pieces)[BOARD_SIZE];
4607 int i, j, pawnRow, overrule,
4608 oldx = gameInfo.boardWidth,
4609 oldy = gameInfo.boardHeight,
4610 oldh = gameInfo.holdingsWidth,
4611 oldv = gameInfo.variant;
4613 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
4615 /* [AS] Initialize pv info list [HGM] and game status */
4617 for( i=0; i<MAX_MOVES; i++ ) {
4618 pvInfoList[i].depth = 0;
4619 epStatus[i]=EP_NONE;
4620 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
4623 initialRulePlies = 0; /* 50-move counter start */
4625 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
4626 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
4630 /* [HGM] logic here is completely changed. In stead of full positions */
4631 /* the initialized data only consist of the two backranks. The switch */
4632 /* selects which one we will use, which is than copied to the Board */
4633 /* initialPosition, which for the rest is initialized by Pawns and */
4634 /* empty squares. This initial position is then copied to boards[0], */
4635 /* possibly after shuffling, so that it remains available. */
4637 gameInfo.holdingsWidth = 0; /* default board sizes */
4638 gameInfo.boardWidth = 8;
4639 gameInfo.boardHeight = 8;
4640 gameInfo.holdingsSize = 0;
4641 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
4642 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1; /* but no rights yet */
4643 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
4645 switch (gameInfo.variant) {
4646 case VariantFischeRandom:
4647 shuffleOpenings = TRUE;
4651 case VariantShatranj:
4652 pieces = ShatranjArray;
4653 nrCastlingRights = 0;
4654 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
4656 case VariantTwoKings:
4657 pieces = twoKingsArray;
4659 case VariantCapaRandom:
4660 shuffleOpenings = TRUE;
4661 case VariantCapablanca:
4662 pieces = CapablancaArray;
4663 gameInfo.boardWidth = 10;
4664 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4667 pieces = GothicArray;
4668 gameInfo.boardWidth = 10;
4669 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4672 pieces = JanusArray;
4673 gameInfo.boardWidth = 10;
4674 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
4675 nrCastlingRights = 6;
4676 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4677 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4678 castlingRights[0][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
4679 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4680 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4681 castlingRights[0][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
4684 pieces = FalconArray;
4685 gameInfo.boardWidth = 10;
4686 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
4688 case VariantXiangqi:
4689 pieces = XiangqiArray;
4690 gameInfo.boardWidth = 9;
4691 gameInfo.boardHeight = 10;
4692 nrCastlingRights = 0;
4693 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
4696 pieces = ShogiArray;
4697 gameInfo.boardWidth = 9;
4698 gameInfo.boardHeight = 9;
4699 gameInfo.holdingsSize = 7;
4700 nrCastlingRights = 0;
4701 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
4703 case VariantCourier:
4704 pieces = CourierArray;
4705 gameInfo.boardWidth = 12;
4706 nrCastlingRights = 0;
4707 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
4708 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4710 case VariantKnightmate:
4711 pieces = KnightmateArray;
4712 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
4715 pieces = fairyArray;
4716 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVSLUKpnbrqfeacwmohijgdvsluk");
4719 pieces = GreatArray;
4720 gameInfo.boardWidth = 10;
4721 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
4722 gameInfo.holdingsSize = 8;
4726 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
4727 gameInfo.holdingsSize = 8;
4728 startedFromSetupPosition = TRUE;
4730 case VariantCrazyhouse:
4731 case VariantBughouse:
4733 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
4734 gameInfo.holdingsSize = 5;
4736 case VariantWildCastle:
4738 /* !!?shuffle with kings guaranteed to be on d or e file */
4739 shuffleOpenings = 1;
4741 case VariantNoCastle:
4743 nrCastlingRights = 0;
4744 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4745 /* !!?unconstrained back-rank shuffle */
4746 shuffleOpenings = 1;
4751 if(appData.NrFiles >= 0) {
4752 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
4753 gameInfo.boardWidth = appData.NrFiles;
4755 if(appData.NrRanks >= 0) {
4756 gameInfo.boardHeight = appData.NrRanks;
4758 if(appData.holdingsSize >= 0) {
4759 i = appData.holdingsSize;
4760 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
4761 gameInfo.holdingsSize = i;
4763 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
4764 if(BOARD_HEIGHT > BOARD_SIZE || BOARD_WIDTH > BOARD_SIZE)
4765 DisplayFatalError(_("Recompile to support this BOARD_SIZE!"), 0, 2);
4767 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
4768 if(pawnRow < 1) pawnRow = 1;
4770 /* User pieceToChar list overrules defaults */
4771 if(appData.pieceToCharTable != NULL)
4772 SetCharTable(pieceToChar, appData.pieceToCharTable);
4774 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
4776 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
4777 s = (ChessSquare) 0; /* account holding counts in guard band */
4778 for( i=0; i<BOARD_HEIGHT; i++ )
4779 initialPosition[i][j] = s;
4781 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
4782 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
4783 initialPosition[pawnRow][j] = WhitePawn;
4784 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
4785 if(gameInfo.variant == VariantXiangqi) {
4787 initialPosition[pawnRow][j] =
4788 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
4789 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
4790 initialPosition[2][j] = WhiteCannon;
4791 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
4795 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
4797 if( (gameInfo.variant == VariantShogi) && !overrule ) {
4800 initialPosition[1][j] = WhiteBishop;
4801 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
4803 initialPosition[1][j] = WhiteRook;
4804 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
4807 if( nrCastlingRights == -1) {
4808 /* [HGM] Build normal castling rights (must be done after board sizing!) */
4809 /* This sets default castling rights from none to normal corners */
4810 /* Variants with other castling rights must set them themselves above */
4811 nrCastlingRights = 6;
4813 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4814 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4815 castlingRights[0][2] = initialRights[2] = BOARD_WIDTH>>1;
4816 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4817 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4818 castlingRights[0][5] = initialRights[5] = BOARD_WIDTH>>1;
4821 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
4822 if(gameInfo.variant == VariantGreat) { // promotion commoners
4823 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
4824 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
4825 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
4826 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
4828 if (appData.debugMode) {
4829 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
4831 if(shuffleOpenings) {
4832 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
4833 startedFromSetupPosition = TRUE;
4835 if(startedFromPositionFile) {
4836 /* [HGM] loadPos: use PositionFile for every new game */
4837 CopyBoard(initialPosition, filePosition);
4838 for(i=0; i<nrCastlingRights; i++)
4839 castlingRights[0][i] = initialRights[i] = fileRights[i];
4840 startedFromSetupPosition = TRUE;
4843 CopyBoard(boards[0], initialPosition);
4845 if(oldx != gameInfo.boardWidth ||
4846 oldy != gameInfo.boardHeight ||
4847 oldh != gameInfo.holdingsWidth
4849 || oldv == VariantGothic || // For licensing popups
4850 gameInfo.variant == VariantGothic
4853 || oldv == VariantFalcon ||
4854 gameInfo.variant == VariantFalcon
4857 InitDrawingSizes(-2 ,0);
4860 DrawPosition(TRUE, boards[currentMove]);
4864 SendBoard(cps, moveNum)
4865 ChessProgramState *cps;
4868 char message[MSG_SIZ];
4870 if (cps->useSetboard) {
4871 char* fen = PositionToFEN(moveNum, cps->fenOverride);
4872 sprintf(message, "setboard %s\n", fen);
4873 SendToProgram(message, cps);
4879 /* Kludge to set black to move, avoiding the troublesome and now
4880 * deprecated "black" command.
4882 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
4884 SendToProgram("edit\n", cps);
4885 SendToProgram("#\n", cps);
4886 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4887 bp = &boards[moveNum][i][BOARD_LEFT];
4888 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4889 if ((int) *bp < (int) BlackPawn) {
4890 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
4892 if(message[0] == '+' || message[0] == '~') {
4893 sprintf(message, "%c%c%c+\n",
4894 PieceToChar((ChessSquare)(DEMOTED *bp)),
4897 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4898 message[1] = BOARD_RGHT - 1 - j + '1';
4899 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4901 SendToProgram(message, cps);
4906 SendToProgram("c\n", cps);
4907 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4908 bp = &boards[moveNum][i][BOARD_LEFT];
4909 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4910 if (((int) *bp != (int) EmptySquare)
4911 && ((int) *bp >= (int) BlackPawn)) {
4912 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
4914 if(message[0] == '+' || message[0] == '~') {
4915 sprintf(message, "%c%c%c+\n",
4916 PieceToChar((ChessSquare)(DEMOTED *bp)),
4919 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4920 message[1] = BOARD_RGHT - 1 - j + '1';
4921 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4923 SendToProgram(message, cps);
4928 SendToProgram(".\n", cps);
4930 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
4934 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
4936 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
4937 /* [HGM] add Shogi promotions */
4938 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
4943 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
4944 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
4946 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
4947 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
4950 piece = boards[currentMove][fromY][fromX];
4951 if(gameInfo.variant == VariantShogi) {
4952 promotionZoneSize = 3;
4953 highestPromotingPiece = (int)WhiteFerz;
4956 // next weed out all moves that do not touch the promotion zone at all
4957 if((int)piece >= BlackPawn) {
4958 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
4960 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
4962 if( toY < BOARD_HEIGHT - promotionZoneSize &&
4963 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
4966 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
4968 // weed out mandatory Shogi promotions
4969 if(gameInfo.variant == VariantShogi) {
4970 if(piece >= BlackPawn) {
4971 if(toY == 0 && piece == BlackPawn ||
4972 toY == 0 && piece == BlackQueen ||
4973 toY <= 1 && piece == BlackKnight) {
4978 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
4979 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
4980 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
4987 // weed out obviously illegal Pawn moves
4988 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
4989 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
4990 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
4991 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
4992 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
4993 // note we are not allowed to test for valid (non-)capture, due to premove
4996 // we either have a choice what to promote to, or (in Shogi) whether to promote
4997 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier) {
4998 *promoChoice = PieceToChar(BlackFerz); // no choice
5001 if(appData.alwaysPromoteToQueen) { // predetermined
5002 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5003 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5004 else *promoChoice = PieceToChar(BlackQueen);
5008 // suppress promotion popup on illegal moves that are not premoves
5009 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5010 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5011 if(appData.testLegality && !premove) {
5012 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5013 epStatus[currentMove], castlingRights[currentMove],
5014 fromY, fromX, toY, toX, NULLCHAR);
5015 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5016 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5024 InPalace(row, column)
5026 { /* [HGM] for Xiangqi */
5027 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5028 column < (BOARD_WIDTH + 4)/2 &&
5029 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5034 PieceForSquare (x, y)
5038 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5041 return boards[currentMove][y][x];
5045 OKToStartUserMove(x, y)
5048 ChessSquare from_piece;
5051 if (matchMode) return FALSE;
5052 if (gameMode == EditPosition) return TRUE;
5054 if (x >= 0 && y >= 0)
5055 from_piece = boards[currentMove][y][x];
5057 from_piece = EmptySquare;
5059 if (from_piece == EmptySquare) return FALSE;
5061 white_piece = (int)from_piece >= (int)WhitePawn &&
5062 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5065 case PlayFromGameFile:
5067 case TwoMachinesPlay:
5075 case MachinePlaysWhite:
5076 case IcsPlayingBlack:
5077 if (appData.zippyPlay) return FALSE;
5079 DisplayMoveError(_("You are playing Black"));
5084 case MachinePlaysBlack:
5085 case IcsPlayingWhite:
5086 if (appData.zippyPlay) return FALSE;
5088 DisplayMoveError(_("You are playing White"));
5094 if (!white_piece && WhiteOnMove(currentMove)) {
5095 DisplayMoveError(_("It is White's turn"));
5098 if (white_piece && !WhiteOnMove(currentMove)) {
5099 DisplayMoveError(_("It is Black's turn"));
5102 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5103 /* Editing correspondence game history */
5104 /* Could disallow this or prompt for confirmation */
5107 if (currentMove < forwardMostMove) {
5108 /* Discarding moves */
5109 /* Could prompt for confirmation here,
5110 but I don't think that's such a good idea */
5111 forwardMostMove = currentMove;
5115 case BeginningOfGame:
5116 if (appData.icsActive) return FALSE;
5117 if (!appData.noChessProgram) {
5119 DisplayMoveError(_("You are playing White"));
5126 if (!white_piece && WhiteOnMove(currentMove)) {
5127 DisplayMoveError(_("It is White's turn"));
5130 if (white_piece && !WhiteOnMove(currentMove)) {
5131 DisplayMoveError(_("It is Black's turn"));
5140 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5141 && gameMode != AnalyzeFile && gameMode != Training) {
5142 DisplayMoveError(_("Displayed position is not current"));
5148 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5149 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5150 int lastLoadGameUseList = FALSE;
5151 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5152 ChessMove lastLoadGameStart = (ChessMove) 0;
5155 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5156 int fromX, fromY, toX, toY;
5161 ChessSquare pdown, pup;
5163 /* Check if the user is playing in turn. This is complicated because we
5164 let the user "pick up" a piece before it is his turn. So the piece he
5165 tried to pick up may have been captured by the time he puts it down!
5166 Therefore we use the color the user is supposed to be playing in this
5167 test, not the color of the piece that is currently on the starting
5168 square---except in EditGame mode, where the user is playing both
5169 sides; fortunately there the capture race can't happen. (It can
5170 now happen in IcsExamining mode, but that's just too bad. The user
5171 will get a somewhat confusing message in that case.)
5175 case PlayFromGameFile:
5177 case TwoMachinesPlay:
5181 /* We switched into a game mode where moves are not accepted,
5182 perhaps while the mouse button was down. */
5183 return ImpossibleMove;
5185 case MachinePlaysWhite:
5186 /* User is moving for Black */
5187 if (WhiteOnMove(currentMove)) {
5188 DisplayMoveError(_("It is White's turn"));
5189 return ImpossibleMove;
5193 case MachinePlaysBlack:
5194 /* User is moving for White */
5195 if (!WhiteOnMove(currentMove)) {
5196 DisplayMoveError(_("It is Black's turn"));
5197 return ImpossibleMove;
5203 case BeginningOfGame:
5206 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5207 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5208 /* User is moving for Black */
5209 if (WhiteOnMove(currentMove)) {
5210 DisplayMoveError(_("It is White's turn"));
5211 return ImpossibleMove;
5214 /* User is moving for White */
5215 if (!WhiteOnMove(currentMove)) {
5216 DisplayMoveError(_("It is Black's turn"));
5217 return ImpossibleMove;
5222 case IcsPlayingBlack:
5223 /* User is moving for Black */
5224 if (WhiteOnMove(currentMove)) {
5225 if (!appData.premove) {
5226 DisplayMoveError(_("It is White's turn"));
5227 } else if (toX >= 0 && toY >= 0) {
5230 premoveFromX = fromX;
5231 premoveFromY = fromY;
5232 premovePromoChar = promoChar;
5234 if (appData.debugMode)
5235 fprintf(debugFP, "Got premove: fromX %d,"
5236 "fromY %d, toX %d, toY %d\n",
5237 fromX, fromY, toX, toY);
5239 return ImpossibleMove;
5243 case IcsPlayingWhite:
5244 /* User is moving for White */
5245 if (!WhiteOnMove(currentMove)) {
5246 if (!appData.premove) {
5247 DisplayMoveError(_("It is Black's turn"));
5248 } else if (toX >= 0 && toY >= 0) {
5251 premoveFromX = fromX;
5252 premoveFromY = fromY;
5253 premovePromoChar = promoChar;
5255 if (appData.debugMode)
5256 fprintf(debugFP, "Got premove: fromX %d,"
5257 "fromY %d, toX %d, toY %d\n",
5258 fromX, fromY, toX, toY);
5260 return ImpossibleMove;
5268 /* EditPosition, empty square, or different color piece;
5269 click-click move is possible */
5270 if (toX == -2 || toY == -2) {
5271 boards[0][fromY][fromX] = EmptySquare;
5272 return AmbiguousMove;
5273 } else if (toX >= 0 && toY >= 0) {
5274 boards[0][toY][toX] = boards[0][fromY][fromX];
5275 boards[0][fromY][fromX] = EmptySquare;
5276 return AmbiguousMove;
5278 return ImpossibleMove;
5281 if(toX < 0 || toY < 0) return ImpossibleMove;
5282 pdown = boards[currentMove][fromY][fromX];
5283 pup = boards[currentMove][toY][toX];
5285 /* [HGM] If move started in holdings, it means a drop */
5286 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5287 if( pup != EmptySquare ) return ImpossibleMove;
5288 if(appData.testLegality) {
5289 /* it would be more logical if LegalityTest() also figured out
5290 * which drops are legal. For now we forbid pawns on back rank.
5291 * Shogi is on its own here...
5293 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5294 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5295 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5297 return WhiteDrop; /* Not needed to specify white or black yet */
5300 userOfferedDraw = FALSE;
5302 /* [HGM] always test for legality, to get promotion info */
5303 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5304 epStatus[currentMove], castlingRights[currentMove],
5305 fromY, fromX, toY, toX, promoChar);
5306 /* [HGM] but possibly ignore an IllegalMove result */
5307 if (appData.testLegality) {
5308 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5309 DisplayMoveError(_("Illegal move"));
5310 return ImpossibleMove;
5313 if(appData.debugMode) fprintf(debugFP, "moveType 3 = %d, promochar = %x\n", moveType, promoChar);
5315 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5316 function is made into one that returns an OK move type if FinishMove
5317 should be called. This to give the calling driver routine the
5318 opportunity to finish the userMove input with a promotion popup,
5319 without bothering the user with this for invalid or illegal moves */
5321 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5324 /* Common tail of UserMoveEvent and DropMenuEvent */
5326 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5328 int fromX, fromY, toX, toY;
5329 /*char*/int promoChar;
5332 if(appData.debugMode) fprintf(debugFP, "moveType 5 = %d, promochar = %x\n", moveType, promoChar);
5333 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5334 // [HGM] superchess: suppress promotions to non-available piece
5335 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5336 if(WhiteOnMove(currentMove)) {
5337 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5339 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5343 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5344 move type in caller when we know the move is a legal promotion */
5345 if(moveType == NormalMove && promoChar)
5346 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5347 if(appData.debugMode) fprintf(debugFP, "moveType 1 = %d, promochar = %x\n", moveType, promoChar);
5348 /* [HGM] convert drag-and-drop piece drops to standard form */
5349 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5350 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5351 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5352 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5353 // fromX = boards[currentMove][fromY][fromX];
5354 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5355 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5356 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5357 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5361 /* [HGM] <popupFix> The following if has been moved here from
5362 UserMoveEvent(). Because it seemed to belon here (why not allow
5363 piece drops in training games?), and because it can only be
5364 performed after it is known to what we promote. */
5365 if (gameMode == Training) {
5366 /* compare the move played on the board to the next move in the
5367 * game. If they match, display the move and the opponent's response.
5368 * If they don't match, display an error message.
5371 Board testBoard; char testRights[BOARD_SIZE]; char testStatus;
5372 CopyBoard(testBoard, boards[currentMove]);
5373 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard, testRights, &testStatus);
5375 if (CompareBoards(testBoard, boards[currentMove+1])) {
5376 ForwardInner(currentMove+1);
5378 /* Autoplay the opponent's response.
5379 * if appData.animate was TRUE when Training mode was entered,
5380 * the response will be animated.
5382 saveAnimate = appData.animate;
5383 appData.animate = animateTraining;
5384 ForwardInner(currentMove+1);
5385 appData.animate = saveAnimate;
5387 /* check for the end of the game */
5388 if (currentMove >= forwardMostMove) {
5389 gameMode = PlayFromGameFile;
5391 SetTrainingModeOff();
5392 DisplayInformation(_("End of game"));
5395 DisplayError(_("Incorrect move"), 0);
5400 /* Ok, now we know that the move is good, so we can kill
5401 the previous line in Analysis Mode */
5402 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5403 forwardMostMove = currentMove;
5406 /* If we need the chess program but it's dead, restart it */
5407 ResurrectChessProgram();
5409 /* A user move restarts a paused game*/
5413 thinkOutput[0] = NULLCHAR;
5415 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5417 if (gameMode == BeginningOfGame) {
5418 if (appData.noChessProgram) {
5419 gameMode = EditGame;
5423 gameMode = MachinePlaysBlack;
5426 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5428 if (first.sendName) {
5429 sprintf(buf, "name %s\n", gameInfo.white);
5430 SendToProgram(buf, &first);
5436 if(appData.debugMode) fprintf(debugFP, "moveType 2 = %d, promochar = %x\n", moveType, promoChar);
5437 /* Relay move to ICS or chess engine */
5438 if (appData.icsActive) {
5439 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5440 gameMode == IcsExamining) {
5441 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5445 if (first.sendTime && (gameMode == BeginningOfGame ||
5446 gameMode == MachinePlaysWhite ||
5447 gameMode == MachinePlaysBlack)) {
5448 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5450 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5451 // [HGM] book: if program might be playing, let it use book
5452 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5453 first.maybeThinking = TRUE;
5454 } else SendMoveToProgram(forwardMostMove-1, &first);
5455 if (currentMove == cmailOldMove + 1) {
5456 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5460 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5464 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5465 EP_UNKNOWN, castlingRights[currentMove]) ) {
5471 if (WhiteOnMove(currentMove)) {
5472 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5474 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5478 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5483 case MachinePlaysBlack:
5484 case MachinePlaysWhite:
5485 /* disable certain menu options while machine is thinking */
5486 SetMachineThinkingEnables();
5493 if(bookHit) { // [HGM] book: simulate book reply
5494 static char bookMove[MSG_SIZ]; // a bit generous?
5496 programStats.nodes = programStats.depth = programStats.time =
5497 programStats.score = programStats.got_only_move = 0;
5498 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5500 strcpy(bookMove, "move ");
5501 strcat(bookMove, bookHit);
5502 HandleMachineMove(bookMove, &first);
5508 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5509 int fromX, fromY, toX, toY;
5512 /* [HGM] This routine was added to allow calling of its two logical
5513 parts from other modules in the old way. Before, UserMoveEvent()
5514 automatically called FinishMove() if the move was OK, and returned
5515 otherwise. I separated the two, in order to make it possible to
5516 slip a promotion popup in between. But that it always needs two
5517 calls, to the first part, (now called UserMoveTest() ), and to
5518 FinishMove if the first part succeeded. Calls that do not need
5519 to do anything in between, can call this routine the old way.
5521 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
5522 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
5523 if(moveType == AmbiguousMove)
5524 DrawPosition(FALSE, boards[currentMove]);
5525 else if(moveType != ImpossibleMove && moveType != Comment)
5526 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
5529 void LeftClick(ClickType clickType, int xPix, int yPix)
5532 Boolean saveAnimate;
5533 static int second = 0, promotionChoice = 0;
5534 char promoChoice = NULLCHAR;
5536 if (clickType == Press) ErrorPopDown();
5538 x = EventToSquare(xPix, BOARD_WIDTH);
5539 y = EventToSquare(yPix, BOARD_HEIGHT);
5540 if (!flipView && y >= 0) {
5541 y = BOARD_HEIGHT - 1 - y;
5543 if (flipView && x >= 0) {
5544 x = BOARD_WIDTH - 1 - x;
5547 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
5548 if(clickType == Release) return; // ignore upclick of click-click destination
5549 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
5550 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
5551 if(gameInfo.holdingsWidth &&
5552 (WhiteOnMove(currentMove)
5553 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
5554 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
5555 // click in right holdings, for determining promotion piece
5556 ChessSquare p = boards[currentMove][y][x];
5557 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
5558 if(p != EmptySquare) {
5559 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
5564 DrawPosition(FALSE, boards[currentMove]);
5568 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
5569 if(clickType == Press
5570 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
5571 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
5572 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
5576 if (clickType == Press) {
5578 if (OKToStartUserMove(x, y)) {
5582 DragPieceBegin(xPix, yPix);
5583 if (appData.highlightDragging) {
5584 SetHighlights(x, y, -1, -1);
5592 if (clickType == Press && gameMode != EditPosition) {
5597 // ignore off-board to clicks
5598 if(y < 0 || x < 0) return;
5600 /* Check if clicking again on the same color piece */
5601 fromP = boards[currentMove][fromY][fromX];
5602 toP = boards[currentMove][y][x];
5603 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
5604 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
5605 WhitePawn <= toP && toP <= WhiteKing &&
5606 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
5607 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
5608 (BlackPawn <= fromP && fromP <= BlackKing &&
5609 BlackPawn <= toP && toP <= BlackKing &&
5610 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
5611 !(fromP == BlackKing && toP == BlackRook && frc))) {
5612 /* Clicked again on same color piece -- changed his mind */
5613 second = (x == fromX && y == fromY);
5614 if (appData.highlightDragging) {
5615 SetHighlights(x, y, -1, -1);
5619 if (OKToStartUserMove(x, y)) {
5622 DragPieceBegin(xPix, yPix);
5626 // ignore clicks on holdings
5627 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
5630 if (clickType == Release && x == fromX && y == fromY) {
5631 DragPieceEnd(xPix, yPix);
5632 if (appData.animateDragging) {
5633 /* Undo animation damage if any */
5634 DrawPosition(FALSE, NULL);
5637 /* Second up/down in same square; just abort move */
5642 ClearPremoveHighlights();
5644 /* First upclick in same square; start click-click mode */
5645 SetHighlights(x, y, -1, -1);
5650 /* we now have a different from- and (possibly off-board) to-square */
5651 /* Completed move */
5654 saveAnimate = appData.animate;
5655 if (clickType == Press) {
5656 /* Finish clickclick move */
5657 if (appData.animate || appData.highlightLastMove) {
5658 SetHighlights(fromX, fromY, toX, toY);
5663 /* Finish drag move */
5664 if (appData.highlightLastMove) {
5665 SetHighlights(fromX, fromY, toX, toY);
5669 DragPieceEnd(xPix, yPix);
5670 /* Don't animate move and drag both */
5671 appData.animate = FALSE;
5674 // moves into holding are invalid for now (later perhaps allow in EditPosition)
5675 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
5678 DrawPosition(TRUE, NULL);
5682 // off-board moves should not be highlighted
5683 if(x < 0 || x < 0) ClearHighlights();
5685 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
5686 SetHighlights(fromX, fromY, toX, toY);
5687 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
5688 // [HGM] super: promotion to captured piece selected from holdings
5689 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
5690 promotionChoice = TRUE;
5691 // kludge follows to temporarily execute move on display, without promoting yet
5692 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
5693 boards[currentMove][toY][toX] = p;
5694 DrawPosition(FALSE, boards[currentMove]);
5695 boards[currentMove][fromY][fromX] = p; // take back, but display stays
5696 boards[currentMove][toY][toX] = q;
5697 DisplayMessage("Click in holdings to choose piece", "");
5702 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
5703 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
5704 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
5707 appData.animate = saveAnimate;
5708 if (appData.animate || appData.animateDragging) {
5709 /* Undo animation damage if needed */
5710 DrawPosition(FALSE, NULL);
5714 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
5716 // char * hint = lastHint;
5717 FrontEndProgramStats stats;
5719 stats.which = cps == &first ? 0 : 1;
5720 stats.depth = cpstats->depth;
5721 stats.nodes = cpstats->nodes;
5722 stats.score = cpstats->score;
5723 stats.time = cpstats->time;
5724 stats.pv = cpstats->movelist;
5725 stats.hint = lastHint;
5726 stats.an_move_index = 0;
5727 stats.an_move_count = 0;
5729 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
5730 stats.hint = cpstats->move_name;
5731 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
5732 stats.an_move_count = cpstats->nr_moves;
5735 SetProgramStats( &stats );
5738 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
5739 { // [HGM] book: this routine intercepts moves to simulate book replies
5740 char *bookHit = NULL;
5742 //first determine if the incoming move brings opponent into his book
5743 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
5744 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
5745 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
5746 if(bookHit != NULL && !cps->bookSuspend) {
5747 // make sure opponent is not going to reply after receiving move to book position
5748 SendToProgram("force\n", cps);
5749 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
5751 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
5752 // now arrange restart after book miss
5754 // after a book hit we never send 'go', and the code after the call to this routine
5755 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
5757 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
5758 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
5759 SendToProgram(buf, cps);
5760 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
5761 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
5762 SendToProgram("go\n", cps);
5763 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
5764 } else { // 'go' might be sent based on 'firstMove' after this routine returns
5765 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
5766 SendToProgram("go\n", cps);
5767 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
5769 return bookHit; // notify caller of hit, so it can take action to send move to opponent
5773 ChessProgramState *savedState;
5774 void DeferredBookMove(void)
5776 if(savedState->lastPing != savedState->lastPong)
5777 ScheduleDelayedEvent(DeferredBookMove, 10);
5779 HandleMachineMove(savedMessage, savedState);
5783 HandleMachineMove(message, cps)
5785 ChessProgramState *cps;
5787 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
5788 char realname[MSG_SIZ];
5789 int fromX, fromY, toX, toY;
5796 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
5798 * Kludge to ignore BEL characters
5800 while (*message == '\007') message++;
5803 * [HGM] engine debug message: ignore lines starting with '#' character
5805 if(cps->debug && *message == '#') return;
5808 * Look for book output
5810 if (cps == &first && bookRequested) {
5811 if (message[0] == '\t' || message[0] == ' ') {
5812 /* Part of the book output is here; append it */
5813 strcat(bookOutput, message);
5814 strcat(bookOutput, " \n");
5816 } else if (bookOutput[0] != NULLCHAR) {
5817 /* All of book output has arrived; display it */
5818 char *p = bookOutput;
5819 while (*p != NULLCHAR) {
5820 if (*p == '\t') *p = ' ';
5823 DisplayInformation(bookOutput);
5824 bookRequested = FALSE;
5825 /* Fall through to parse the current output */
5830 * Look for machine move.
5832 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
5833 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
5835 /* This method is only useful on engines that support ping */
5836 if (cps->lastPing != cps->lastPong) {
5837 if (gameMode == BeginningOfGame) {
5838 /* Extra move from before last new; ignore */
5839 if (appData.debugMode) {
5840 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5843 if (appData.debugMode) {
5844 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5845 cps->which, gameMode);
5848 SendToProgram("undo\n", cps);
5854 case BeginningOfGame:
5855 /* Extra move from before last reset; ignore */
5856 if (appData.debugMode) {
5857 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5864 /* Extra move after we tried to stop. The mode test is
5865 not a reliable way of detecting this problem, but it's
5866 the best we can do on engines that don't support ping.
5868 if (appData.debugMode) {
5869 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5870 cps->which, gameMode);
5872 SendToProgram("undo\n", cps);
5875 case MachinePlaysWhite:
5876 case IcsPlayingWhite:
5877 machineWhite = TRUE;
5880 case MachinePlaysBlack:
5881 case IcsPlayingBlack:
5882 machineWhite = FALSE;
5885 case TwoMachinesPlay:
5886 machineWhite = (cps->twoMachinesColor[0] == 'w');
5889 if (WhiteOnMove(forwardMostMove) != machineWhite) {
5890 if (appData.debugMode) {
5892 "Ignoring move out of turn by %s, gameMode %d"
5893 ", forwardMost %d\n",
5894 cps->which, gameMode, forwardMostMove);
5899 if (appData.debugMode) { int f = forwardMostMove;
5900 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
5901 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
5903 if(cps->alphaRank) AlphaRank(machineMove, 4);
5904 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
5905 &fromX, &fromY, &toX, &toY, &promoChar)) {
5906 /* Machine move could not be parsed; ignore it. */
5907 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
5908 machineMove, cps->which);
5909 DisplayError(buf1, 0);
5910 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
5911 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
5912 if (gameMode == TwoMachinesPlay) {
5913 GameEnds(machineWhite ? BlackWins : WhiteWins,
5919 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
5920 /* So we have to redo legality test with true e.p. status here, */
5921 /* to make sure an illegal e.p. capture does not slip through, */
5922 /* to cause a forfeit on a justified illegal-move complaint */
5923 /* of the opponent. */
5924 if( gameMode==TwoMachinesPlay && appData.testLegality
5925 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
5928 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
5929 epStatus[forwardMostMove], castlingRights[forwardMostMove],
5930 fromY, fromX, toY, toX, promoChar);
5931 if (appData.debugMode) {
5933 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
5934 castlingRights[forwardMostMove][i], castlingRank[i]);
5935 fprintf(debugFP, "castling rights\n");
5937 if(moveType == IllegalMove) {
5938 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
5939 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
5940 GameEnds(machineWhite ? BlackWins : WhiteWins,
5943 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
5944 /* [HGM] Kludge to handle engines that send FRC-style castling
5945 when they shouldn't (like TSCP-Gothic) */
5947 case WhiteASideCastleFR:
5948 case BlackASideCastleFR:
5950 currentMoveString[2]++;
5952 case WhiteHSideCastleFR:
5953 case BlackHSideCastleFR:
5955 currentMoveString[2]--;
5957 default: ; // nothing to do, but suppresses warning of pedantic compilers
5960 hintRequested = FALSE;
5961 lastHint[0] = NULLCHAR;
5962 bookRequested = FALSE;
5963 /* Program may be pondering now */
5964 cps->maybeThinking = TRUE;
5965 if (cps->sendTime == 2) cps->sendTime = 1;
5966 if (cps->offeredDraw) cps->offeredDraw--;
5969 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
5971 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5973 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
5974 char buf[3*MSG_SIZ];
5976 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
5977 programStats.score / 100.,
5979 programStats.time / 100.,
5980 (unsigned int)programStats.nodes,
5981 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
5982 programStats.movelist);
5984 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
5988 /* currentMoveString is set as a side-effect of ParseOneMove */
5989 strcpy(machineMove, currentMoveString);
5990 strcat(machineMove, "\n");
5991 strcpy(moveList[forwardMostMove], machineMove);
5993 /* [AS] Save move info and clear stats for next move */
5994 pvInfoList[ forwardMostMove ].score = programStats.score;
5995 pvInfoList[ forwardMostMove ].depth = programStats.depth;
5996 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
5997 ClearProgramStats();
5998 thinkOutput[0] = NULLCHAR;
5999 hiddenThinkOutputState = 0;
6001 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
6003 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
6004 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
6007 while( count < adjudicateLossPlies ) {
6008 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
6011 score = -score; /* Flip score for winning side */
6014 if( score > adjudicateLossThreshold ) {
6021 if( count >= adjudicateLossPlies ) {
6022 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6024 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6025 "Xboard adjudication",
6032 if( gameMode == TwoMachinesPlay ) {
6033 // [HGM] some adjudications useful with buggy engines
6034 int k, count = 0, epFile = epStatus[forwardMostMove]; static int bare = 1;
6035 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6038 if( appData.testLegality )
6039 { /* [HGM] Some more adjudications for obstinate engines */
6040 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6041 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6042 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6043 static int moveCount = 6;
6045 char *reason = NULL;
6047 /* Count what is on board. */
6048 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6049 { ChessSquare p = boards[forwardMostMove][i][j];
6053 { /* count B,N,R and other of each side */
6056 NrK++; break; // [HGM] atomic: count Kings
6060 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6061 bishopsColor |= 1 << ((i^j)&1);
6066 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6067 bishopsColor |= 1 << ((i^j)&1);
6082 PawnAdvance += m; NrPawns++;
6084 NrPieces += (p != EmptySquare);
6085 NrW += ((int)p < (int)BlackPawn);
6086 if(gameInfo.variant == VariantXiangqi &&
6087 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6088 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6089 NrW -= ((int)p < (int)BlackPawn);
6093 /* Some material-based adjudications that have to be made before stalemate test */
6094 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6095 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6096 epStatus[forwardMostMove] = EP_CHECKMATE; // make claimable as if stm is checkmated
6097 if(appData.checkMates) {
6098 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6099 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6100 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6101 "Xboard adjudication: King destroyed", GE_XBOARD );
6106 /* Bare King in Shatranj (loses) or Losers (wins) */
6107 if( NrW == 1 || NrPieces - NrW == 1) {
6108 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6109 epStatus[forwardMostMove] = EP_WINS; // mark as win, so it becomes claimable
6110 if(appData.checkMates) {
6111 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets to see move
6112 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6113 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6114 "Xboard adjudication: Bare king", GE_XBOARD );
6118 if( gameInfo.variant == VariantShatranj && --bare < 0)
6120 epStatus[forwardMostMove] = EP_WINS; // make claimable as win for stm
6121 if(appData.checkMates) {
6122 /* but only adjudicate if adjudication enabled */
6123 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6124 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6125 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6126 "Xboard adjudication: Bare king", GE_XBOARD );
6133 // don't wait for engine to announce game end if we can judge ourselves
6134 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove), epFile,
6135 castlingRights[forwardMostMove]) ) {
6137 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6138 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6139 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6140 if(MateTest(boards[i], PosFlags(i), epStatus[i], castlingRights[i]) == MT_CHECK)
6143 reason = "Xboard adjudication: 3rd check";
6144 epStatus[forwardMostMove] = EP_CHECKMATE;
6154 reason = "Xboard adjudication: Stalemate";
6155 if(epStatus[forwardMostMove] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6156 epStatus[forwardMostMove] = EP_STALEMATE; // default result for stalemate is draw
6157 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6158 epStatus[forwardMostMove] = EP_WINS; // in these variants stalemated is always a win
6159 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6160 epStatus[forwardMostMove] = NrW == NrPieces-NrW ? EP_STALEMATE :
6161 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6162 EP_CHECKMATE : EP_WINS);
6163 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6164 epStatus[forwardMostMove] = EP_CHECKMATE; // and in these variants being stalemated loses
6168 reason = "Xboard adjudication: Checkmate";
6169 epStatus[forwardMostMove] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6173 switch(i = epStatus[forwardMostMove]) {
6175 result = GameIsDrawn; break;
6177 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6179 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6181 result = (ChessMove) 0;
6183 if(appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6184 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6185 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6186 GameEnds( result, reason, GE_XBOARD );
6190 /* Next absolutely insufficient mating material. */
6191 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6192 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6193 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6194 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6195 { /* KBK, KNK, KK of KBKB with like Bishops */
6197 /* always flag draws, for judging claims */
6198 epStatus[forwardMostMove] = EP_INSUF_DRAW;
6200 if(appData.materialDraws) {
6201 /* but only adjudicate them if adjudication enabled */
6202 SendToProgram("force\n", cps->other); // suppress reply
6203 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see last move */
6204 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6205 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6210 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6212 ( NrWR == 1 && NrBR == 1 /* KRKR */
6213 || NrWQ==1 && NrBQ==1 /* KQKQ */
6214 || NrWN==2 || NrBN==2 /* KNNK */
6215 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6217 if(--moveCount < 0 && appData.trivialDraws)
6218 { /* if the first 3 moves do not show a tactical win, declare draw */
6219 SendToProgram("force\n", cps->other); // suppress reply
6220 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6221 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6222 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6225 } else moveCount = 6;
6229 if (appData.debugMode) { int i;
6230 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6231 forwardMostMove, backwardMostMove, epStatus[backwardMostMove],
6232 appData.drawRepeats);
6233 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6234 fprintf(debugFP, "%d ep=%d\n", i, epStatus[i]);
6238 /* Check for rep-draws */
6240 for(k = forwardMostMove-2;
6241 k>=backwardMostMove && k>=forwardMostMove-100 &&
6242 epStatus[k] < EP_UNKNOWN &&
6243 epStatus[k+2] <= EP_NONE && epStatus[k+1] <= EP_NONE;
6246 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6247 /* compare castling rights */
6248 if( castlingRights[forwardMostMove][2] != castlingRights[k][2] &&
6249 (castlingRights[k][0] >= 0 || castlingRights[k][1] >= 0) )
6250 rights++; /* King lost rights, while rook still had them */
6251 if( castlingRights[forwardMostMove][2] >= 0 ) { /* king has rights */
6252 if( castlingRights[forwardMostMove][0] != castlingRights[k][0] ||
6253 castlingRights[forwardMostMove][1] != castlingRights[k][1] )
6254 rights++; /* but at least one rook lost them */
6256 if( castlingRights[forwardMostMove][5] != castlingRights[k][5] &&
6257 (castlingRights[k][3] >= 0 || castlingRights[k][4] >= 0) )
6259 if( castlingRights[forwardMostMove][5] >= 0 ) {
6260 if( castlingRights[forwardMostMove][3] != castlingRights[k][3] ||
6261 castlingRights[forwardMostMove][4] != castlingRights[k][4] )
6264 if( rights == 0 && ++count > appData.drawRepeats-2
6265 && appData.drawRepeats > 1) {
6266 /* adjudicate after user-specified nr of repeats */
6267 SendToProgram("force\n", cps->other); // suppress reply
6268 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6269 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6270 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6271 // [HGM] xiangqi: check for forbidden perpetuals
6272 int m, ourPerpetual = 1, hisPerpetual = 1;
6273 for(m=forwardMostMove; m>k; m-=2) {
6274 if(MateTest(boards[m], PosFlags(m),
6275 EP_NONE, castlingRights[m]) != MT_CHECK)
6276 ourPerpetual = 0; // the current mover did not always check
6277 if(MateTest(boards[m-1], PosFlags(m-1),
6278 EP_NONE, castlingRights[m-1]) != MT_CHECK)
6279 hisPerpetual = 0; // the opponent did not always check
6281 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6282 ourPerpetual, hisPerpetual);
6283 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6284 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6285 "Xboard adjudication: perpetual checking", GE_XBOARD );
6288 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6289 break; // (or we would have caught him before). Abort repetition-checking loop.
6290 // Now check for perpetual chases
6291 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6292 hisPerpetual = PerpetualChase(k, forwardMostMove);
6293 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6294 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6295 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6296 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6299 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6300 break; // Abort repetition-checking loop.
6302 // if neither of us is checking or chasing all the time, or both are, it is draw
6304 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6307 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6308 epStatus[forwardMostMove] = EP_REP_DRAW;
6312 /* Now we test for 50-move draws. Determine ply count */
6313 count = forwardMostMove;
6314 /* look for last irreversble move */
6315 while( epStatus[count] <= EP_NONE && count > backwardMostMove )
6317 /* if we hit starting position, add initial plies */
6318 if( count == backwardMostMove )
6319 count -= initialRulePlies;
6320 count = forwardMostMove - count;
6322 epStatus[forwardMostMove] = EP_RULE_DRAW;
6323 /* this is used to judge if draw claims are legal */
6324 if(appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6325 SendToProgram("force\n", cps->other); // suppress reply
6326 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6327 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6328 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6332 /* if draw offer is pending, treat it as a draw claim
6333 * when draw condition present, to allow engines a way to
6334 * claim draws before making their move to avoid a race
6335 * condition occurring after their move
6337 if( cps->other->offeredDraw || cps->offeredDraw ) {
6339 if(epStatus[forwardMostMove] == EP_RULE_DRAW)
6340 p = "Draw claim: 50-move rule";
6341 if(epStatus[forwardMostMove] == EP_REP_DRAW)
6342 p = "Draw claim: 3-fold repetition";
6343 if(epStatus[forwardMostMove] == EP_INSUF_DRAW)
6344 p = "Draw claim: insufficient mating material";
6346 SendToProgram("force\n", cps->other); // suppress reply
6347 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6348 GameEnds( GameIsDrawn, p, GE_XBOARD );
6349 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6355 if( appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6356 SendToProgram("force\n", cps->other); // suppress reply
6357 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6358 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6360 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6367 if (gameMode == TwoMachinesPlay) {
6368 /* [HGM] relaying draw offers moved to after reception of move */
6369 /* and interpreting offer as claim if it brings draw condition */
6370 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
6371 SendToProgram("draw\n", cps->other);
6373 if (cps->other->sendTime) {
6374 SendTimeRemaining(cps->other,
6375 cps->other->twoMachinesColor[0] == 'w');
6377 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
6378 if (firstMove && !bookHit) {
6380 if (cps->other->useColors) {
6381 SendToProgram(cps->other->twoMachinesColor, cps->other);
6383 SendToProgram("go\n", cps->other);
6385 cps->other->maybeThinking = TRUE;
6388 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6390 if (!pausing && appData.ringBellAfterMoves) {
6395 * Reenable menu items that were disabled while
6396 * machine was thinking
6398 if (gameMode != TwoMachinesPlay)
6399 SetUserThinkingEnables();
6401 // [HGM] book: after book hit opponent has received move and is now in force mode
6402 // force the book reply into it, and then fake that it outputted this move by jumping
6403 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
6405 static char bookMove[MSG_SIZ]; // a bit generous?
6407 strcpy(bookMove, "move ");
6408 strcat(bookMove, bookHit);
6411 programStats.nodes = programStats.depth = programStats.time =
6412 programStats.score = programStats.got_only_move = 0;
6413 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6415 if(cps->lastPing != cps->lastPong) {
6416 savedMessage = message; // args for deferred call
6418 ScheduleDelayedEvent(DeferredBookMove, 10);
6427 /* Set special modes for chess engines. Later something general
6428 * could be added here; for now there is just one kludge feature,
6429 * needed because Crafty 15.10 and earlier don't ignore SIGINT
6430 * when "xboard" is given as an interactive command.
6432 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
6433 cps->useSigint = FALSE;
6434 cps->useSigterm = FALSE;
6436 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
6437 ParseFeatures(message+8, cps);
6438 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
6441 /* [HGM] Allow engine to set up a position. Don't ask me why one would
6442 * want this, I was asked to put it in, and obliged.
6444 if (!strncmp(message, "setboard ", 9)) {
6445 Board initial_position; int i;
6447 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
6449 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
6450 DisplayError(_("Bad FEN received from engine"), 0);
6454 CopyBoard(boards[0], initial_position);
6455 initialRulePlies = FENrulePlies;
6456 epStatus[0] = FENepStatus;
6457 for( i=0; i<nrCastlingRights; i++ )
6458 castlingRights[0][i] = FENcastlingRights[i];
6459 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
6460 else gameMode = MachinePlaysBlack;
6461 DrawPosition(FALSE, boards[currentMove]);
6467 * Look for communication commands
6469 if (!strncmp(message, "telluser ", 9)) {
6470 DisplayNote(message + 9);
6473 if (!strncmp(message, "tellusererror ", 14)) {
6474 DisplayError(message + 14, 0);
6477 if (!strncmp(message, "tellopponent ", 13)) {
6478 if (appData.icsActive) {
6480 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
6484 DisplayNote(message + 13);
6488 if (!strncmp(message, "tellothers ", 11)) {
6489 if (appData.icsActive) {
6491 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
6497 if (!strncmp(message, "tellall ", 8)) {
6498 if (appData.icsActive) {
6500 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
6504 DisplayNote(message + 8);
6508 if (strncmp(message, "warning", 7) == 0) {
6509 /* Undocumented feature, use tellusererror in new code */
6510 DisplayError(message, 0);
6513 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
6514 strcpy(realname, cps->tidy);
6515 strcat(realname, " query");
6516 AskQuestion(realname, buf2, buf1, cps->pr);
6519 /* Commands from the engine directly to ICS. We don't allow these to be
6520 * sent until we are logged on. Crafty kibitzes have been known to
6521 * interfere with the login process.
6524 if (!strncmp(message, "tellics ", 8)) {
6525 SendToICS(message + 8);
6529 if (!strncmp(message, "tellicsnoalias ", 15)) {
6530 SendToICS(ics_prefix);
6531 SendToICS(message + 15);
6535 /* The following are for backward compatibility only */
6536 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
6537 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
6538 SendToICS(ics_prefix);
6544 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
6548 * If the move is illegal, cancel it and redraw the board.
6549 * Also deal with other error cases. Matching is rather loose
6550 * here to accommodate engines written before the spec.
6552 if (strncmp(message + 1, "llegal move", 11) == 0 ||
6553 strncmp(message, "Error", 5) == 0) {
6554 if (StrStr(message, "name") ||
6555 StrStr(message, "rating") || StrStr(message, "?") ||
6556 StrStr(message, "result") || StrStr(message, "board") ||
6557 StrStr(message, "bk") || StrStr(message, "computer") ||
6558 StrStr(message, "variant") || StrStr(message, "hint") ||
6559 StrStr(message, "random") || StrStr(message, "depth") ||
6560 StrStr(message, "accepted")) {
6563 if (StrStr(message, "protover")) {
6564 /* Program is responding to input, so it's apparently done
6565 initializing, and this error message indicates it is
6566 protocol version 1. So we don't need to wait any longer
6567 for it to initialize and send feature commands. */
6568 FeatureDone(cps, 1);
6569 cps->protocolVersion = 1;
6572 cps->maybeThinking = FALSE;
6574 if (StrStr(message, "draw")) {
6575 /* Program doesn't have "draw" command */
6576 cps->sendDrawOffers = 0;
6579 if (cps->sendTime != 1 &&
6580 (StrStr(message, "time") || StrStr(message, "otim"))) {
6581 /* Program apparently doesn't have "time" or "otim" command */
6585 if (StrStr(message, "analyze")) {
6586 cps->analysisSupport = FALSE;
6587 cps->analyzing = FALSE;
6589 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
6590 DisplayError(buf2, 0);
6593 if (StrStr(message, "(no matching move)st")) {
6594 /* Special kludge for GNU Chess 4 only */
6595 cps->stKludge = TRUE;
6596 SendTimeControl(cps, movesPerSession, timeControl,
6597 timeIncrement, appData.searchDepth,
6601 if (StrStr(message, "(no matching move)sd")) {
6602 /* Special kludge for GNU Chess 4 only */
6603 cps->sdKludge = TRUE;
6604 SendTimeControl(cps, movesPerSession, timeControl,
6605 timeIncrement, appData.searchDepth,
6609 if (!StrStr(message, "llegal")) {
6612 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6613 gameMode == IcsIdle) return;
6614 if (forwardMostMove <= backwardMostMove) return;
6615 if (pausing) PauseEvent();
6616 if(appData.forceIllegal) {
6617 // [HGM] illegal: machine refused move; force position after move into it
6618 SendToProgram("force\n", cps);
6619 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
6620 // we have a real problem now, as SendBoard will use the a2a3 kludge
6621 // when black is to move, while there might be nothing on a2 or black
6622 // might already have the move. So send the board as if white has the move.
6623 // But first we must change the stm of the engine, as it refused the last move
6624 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
6625 if(WhiteOnMove(forwardMostMove)) {
6626 SendToProgram("a7a6\n", cps); // for the engine black still had the move
6627 SendBoard(cps, forwardMostMove); // kludgeless board
6629 SendToProgram("a2a3\n", cps); // for the engine white still had the move
6630 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
6631 SendBoard(cps, forwardMostMove+1); // kludgeless board
6633 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
6634 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
6635 gameMode == TwoMachinesPlay)
6636 SendToProgram("go\n", cps);
6639 if (gameMode == PlayFromGameFile) {
6640 /* Stop reading this game file */
6641 gameMode = EditGame;
6644 currentMove = --forwardMostMove;
6645 DisplayMove(currentMove-1); /* before DisplayMoveError */
6647 DisplayBothClocks();
6648 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
6649 parseList[currentMove], cps->which);
6650 DisplayMoveError(buf1);
6651 DrawPosition(FALSE, boards[currentMove]);
6653 /* [HGM] illegal-move claim should forfeit game when Xboard */
6654 /* only passes fully legal moves */
6655 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
6656 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
6657 "False illegal-move claim", GE_XBOARD );
6661 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
6662 /* Program has a broken "time" command that
6663 outputs a string not ending in newline.
6669 * If chess program startup fails, exit with an error message.
6670 * Attempts to recover here are futile.
6672 if ((StrStr(message, "unknown host") != NULL)
6673 || (StrStr(message, "No remote directory") != NULL)
6674 || (StrStr(message, "not found") != NULL)
6675 || (StrStr(message, "No such file") != NULL)
6676 || (StrStr(message, "can't alloc") != NULL)
6677 || (StrStr(message, "Permission denied") != NULL)) {
6679 cps->maybeThinking = FALSE;
6680 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
6681 cps->which, cps->program, cps->host, message);
6682 RemoveInputSource(cps->isr);
6683 DisplayFatalError(buf1, 0, 1);
6688 * Look for hint output
6690 if (sscanf(message, "Hint: %s", buf1) == 1) {
6691 if (cps == &first && hintRequested) {
6692 hintRequested = FALSE;
6693 if (ParseOneMove(buf1, forwardMostMove, &moveType,
6694 &fromX, &fromY, &toX, &toY, &promoChar)) {
6695 (void) CoordsToAlgebraic(boards[forwardMostMove],
6696 PosFlags(forwardMostMove), EP_UNKNOWN,
6697 fromY, fromX, toY, toX, promoChar, buf1);
6698 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
6699 DisplayInformation(buf2);
6701 /* Hint move could not be parsed!? */
6702 snprintf(buf2, sizeof(buf2),
6703 _("Illegal hint move \"%s\"\nfrom %s chess program"),
6705 DisplayError(buf2, 0);
6708 strcpy(lastHint, buf1);
6714 * Ignore other messages if game is not in progress
6716 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6717 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
6720 * look for win, lose, draw, or draw offer
6722 if (strncmp(message, "1-0", 3) == 0) {
6723 char *p, *q, *r = "";
6724 p = strchr(message, '{');
6732 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
6734 } else if (strncmp(message, "0-1", 3) == 0) {
6735 char *p, *q, *r = "";
6736 p = strchr(message, '{');
6744 /* Kludge for Arasan 4.1 bug */
6745 if (strcmp(r, "Black resigns") == 0) {
6746 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
6749 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
6751 } else if (strncmp(message, "1/2", 3) == 0) {
6752 char *p, *q, *r = "";
6753 p = strchr(message, '{');
6762 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
6765 } else if (strncmp(message, "White resign", 12) == 0) {
6766 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6768 } else if (strncmp(message, "Black resign", 12) == 0) {
6769 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6771 } else if (strncmp(message, "White matches", 13) == 0 ||
6772 strncmp(message, "Black matches", 13) == 0 ) {
6773 /* [HGM] ignore GNUShogi noises */
6775 } else if (strncmp(message, "White", 5) == 0 &&
6776 message[5] != '(' &&
6777 StrStr(message, "Black") == NULL) {
6778 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6780 } else if (strncmp(message, "Black", 5) == 0 &&
6781 message[5] != '(') {
6782 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6784 } else if (strcmp(message, "resign") == 0 ||
6785 strcmp(message, "computer resigns") == 0) {
6787 case MachinePlaysBlack:
6788 case IcsPlayingBlack:
6789 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
6791 case MachinePlaysWhite:
6792 case IcsPlayingWhite:
6793 GameEnds(BlackWins, "White resigns", GE_ENGINE);
6795 case TwoMachinesPlay:
6796 if (cps->twoMachinesColor[0] == 'w')
6797 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6799 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6806 } else if (strncmp(message, "opponent mates", 14) == 0) {
6808 case MachinePlaysBlack:
6809 case IcsPlayingBlack:
6810 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6812 case MachinePlaysWhite:
6813 case IcsPlayingWhite:
6814 GameEnds(BlackWins, "Black mates", GE_ENGINE);
6816 case TwoMachinesPlay:
6817 if (cps->twoMachinesColor[0] == 'w')
6818 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6820 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6827 } else if (strncmp(message, "computer mates", 14) == 0) {
6829 case MachinePlaysBlack:
6830 case IcsPlayingBlack:
6831 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
6833 case MachinePlaysWhite:
6834 case IcsPlayingWhite:
6835 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6837 case TwoMachinesPlay:
6838 if (cps->twoMachinesColor[0] == 'w')
6839 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6841 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6848 } else if (strncmp(message, "checkmate", 9) == 0) {
6849 if (WhiteOnMove(forwardMostMove)) {
6850 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6852 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6855 } else if (strstr(message, "Draw") != NULL ||
6856 strstr(message, "game is a draw") != NULL) {
6857 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
6859 } else if (strstr(message, "offer") != NULL &&
6860 strstr(message, "draw") != NULL) {
6862 if (appData.zippyPlay && first.initDone) {
6863 /* Relay offer to ICS */
6864 SendToICS(ics_prefix);
6865 SendToICS("draw\n");
6868 cps->offeredDraw = 2; /* valid until this engine moves twice */
6869 if (gameMode == TwoMachinesPlay) {
6870 if (cps->other->offeredDraw) {
6871 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6872 /* [HGM] in two-machine mode we delay relaying draw offer */
6873 /* until after we also have move, to see if it is really claim */
6875 } else if (gameMode == MachinePlaysWhite ||
6876 gameMode == MachinePlaysBlack) {
6877 if (userOfferedDraw) {
6878 DisplayInformation(_("Machine accepts your draw offer"));
6879 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6881 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
6888 * Look for thinking output
6890 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
6891 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
6893 int plylev, mvleft, mvtot, curscore, time;
6894 char mvname[MOVE_LEN];
6898 int prefixHint = FALSE;
6899 mvname[0] = NULLCHAR;
6902 case MachinePlaysBlack:
6903 case IcsPlayingBlack:
6904 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6906 case MachinePlaysWhite:
6907 case IcsPlayingWhite:
6908 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6913 case IcsObserving: /* [DM] icsEngineAnalyze */
6914 if (!appData.icsEngineAnalyze) ignore = TRUE;
6916 case TwoMachinesPlay:
6917 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
6928 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
6929 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
6931 if (plyext != ' ' && plyext != '\t') {
6935 /* [AS] Negate score if machine is playing black and reporting absolute scores */
6936 if( cps->scoreIsAbsolute &&
6937 ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) )
6939 curscore = -curscore;
6943 programStats.depth = plylev;
6944 programStats.nodes = nodes;
6945 programStats.time = time;
6946 programStats.score = curscore;
6947 programStats.got_only_move = 0;
6949 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
6952 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
6953 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
6954 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
6955 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
6956 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
6957 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
6958 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
6959 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
6962 /* Buffer overflow protection */
6963 if (buf1[0] != NULLCHAR) {
6964 if (strlen(buf1) >= sizeof(programStats.movelist)
6965 && appData.debugMode) {
6967 "PV is too long; using the first %u bytes.\n",
6968 (unsigned) sizeof(programStats.movelist) - 1);
6971 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
6973 sprintf(programStats.movelist, " no PV\n");
6976 if (programStats.seen_stat) {
6977 programStats.ok_to_send = 1;
6980 if (strchr(programStats.movelist, '(') != NULL) {
6981 programStats.line_is_book = 1;
6982 programStats.nr_moves = 0;
6983 programStats.moves_left = 0;
6985 programStats.line_is_book = 0;
6988 SendProgramStatsToFrontend( cps, &programStats );
6991 [AS] Protect the thinkOutput buffer from overflow... this
6992 is only useful if buf1 hasn't overflowed first!
6994 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
6996 (gameMode == TwoMachinesPlay ?
6997 ToUpper(cps->twoMachinesColor[0]) : ' '),
6998 ((double) curscore) / 100.0,
6999 prefixHint ? lastHint : "",
7000 prefixHint ? " " : "" );
7002 if( buf1[0] != NULLCHAR ) {
7003 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7005 if( strlen(buf1) > max_len ) {
7006 if( appData.debugMode) {
7007 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7009 buf1[max_len+1] = '\0';
7012 strcat( thinkOutput, buf1 );
7015 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7016 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7017 DisplayMove(currentMove - 1);
7021 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7022 /* crafty (9.25+) says "(only move) <move>"
7023 * if there is only 1 legal move
7025 sscanf(p, "(only move) %s", buf1);
7026 sprintf(thinkOutput, "%s (only move)", buf1);
7027 sprintf(programStats.movelist, "%s (only move)", buf1);
7028 programStats.depth = 1;
7029 programStats.nr_moves = 1;
7030 programStats.moves_left = 1;
7031 programStats.nodes = 1;
7032 programStats.time = 1;
7033 programStats.got_only_move = 1;
7035 /* Not really, but we also use this member to
7036 mean "line isn't going to change" (Crafty
7037 isn't searching, so stats won't change) */
7038 programStats.line_is_book = 1;
7040 SendProgramStatsToFrontend( cps, &programStats );
7042 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7043 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7044 DisplayMove(currentMove - 1);
7047 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7048 &time, &nodes, &plylev, &mvleft,
7049 &mvtot, mvname) >= 5) {
7050 /* The stat01: line is from Crafty (9.29+) in response
7051 to the "." command */
7052 programStats.seen_stat = 1;
7053 cps->maybeThinking = TRUE;
7055 if (programStats.got_only_move || !appData.periodicUpdates)
7058 programStats.depth = plylev;
7059 programStats.time = time;
7060 programStats.nodes = nodes;
7061 programStats.moves_left = mvleft;
7062 programStats.nr_moves = mvtot;
7063 strcpy(programStats.move_name, mvname);
7064 programStats.ok_to_send = 1;
7065 programStats.movelist[0] = '\0';
7067 SendProgramStatsToFrontend( cps, &programStats );
7071 } else if (strncmp(message,"++",2) == 0) {
7072 /* Crafty 9.29+ outputs this */
7073 programStats.got_fail = 2;
7076 } else if (strncmp(message,"--",2) == 0) {
7077 /* Crafty 9.29+ outputs this */
7078 programStats.got_fail = 1;
7081 } else if (thinkOutput[0] != NULLCHAR &&
7082 strncmp(message, " ", 4) == 0) {
7083 unsigned message_len;
7086 while (*p && *p == ' ') p++;
7088 message_len = strlen( p );
7090 /* [AS] Avoid buffer overflow */
7091 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7092 strcat(thinkOutput, " ");
7093 strcat(thinkOutput, p);
7096 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7097 strcat(programStats.movelist, " ");
7098 strcat(programStats.movelist, p);
7101 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7102 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7103 DisplayMove(currentMove - 1);
7111 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7112 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7114 ChessProgramStats cpstats;
7116 if (plyext != ' ' && plyext != '\t') {
7120 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7121 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7122 curscore = -curscore;
7125 cpstats.depth = plylev;
7126 cpstats.nodes = nodes;
7127 cpstats.time = time;
7128 cpstats.score = curscore;
7129 cpstats.got_only_move = 0;
7130 cpstats.movelist[0] = '\0';
7132 if (buf1[0] != NULLCHAR) {
7133 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7136 cpstats.ok_to_send = 0;
7137 cpstats.line_is_book = 0;
7138 cpstats.nr_moves = 0;
7139 cpstats.moves_left = 0;
7141 SendProgramStatsToFrontend( cps, &cpstats );
7148 /* Parse a game score from the character string "game", and
7149 record it as the history of the current game. The game
7150 score is NOT assumed to start from the standard position.
7151 The display is not updated in any way.
7154 ParseGameHistory(game)
7158 int fromX, fromY, toX, toY, boardIndex;
7163 if (appData.debugMode)
7164 fprintf(debugFP, "Parsing game history: %s\n", game);
7166 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7167 gameInfo.site = StrSave(appData.icsHost);
7168 gameInfo.date = PGNDate();
7169 gameInfo.round = StrSave("-");
7171 /* Parse out names of players */
7172 while (*game == ' ') game++;
7174 while (*game != ' ') *p++ = *game++;
7176 gameInfo.white = StrSave(buf);
7177 while (*game == ' ') game++;
7179 while (*game != ' ' && *game != '\n') *p++ = *game++;
7181 gameInfo.black = StrSave(buf);
7184 boardIndex = blackPlaysFirst ? 1 : 0;
7187 yyboardindex = boardIndex;
7188 moveType = (ChessMove) yylex();
7190 case IllegalMove: /* maybe suicide chess, etc. */
7191 if (appData.debugMode) {
7192 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7193 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7194 setbuf(debugFP, NULL);
7196 case WhitePromotionChancellor:
7197 case BlackPromotionChancellor:
7198 case WhitePromotionArchbishop:
7199 case BlackPromotionArchbishop:
7200 case WhitePromotionQueen:
7201 case BlackPromotionQueen:
7202 case WhitePromotionRook:
7203 case BlackPromotionRook:
7204 case WhitePromotionBishop:
7205 case BlackPromotionBishop:
7206 case WhitePromotionKnight:
7207 case BlackPromotionKnight:
7208 case WhitePromotionKing:
7209 case BlackPromotionKing:
7211 case WhiteCapturesEnPassant:
7212 case BlackCapturesEnPassant:
7213 case WhiteKingSideCastle:
7214 case WhiteQueenSideCastle:
7215 case BlackKingSideCastle:
7216 case BlackQueenSideCastle:
7217 case WhiteKingSideCastleWild:
7218 case WhiteQueenSideCastleWild:
7219 case BlackKingSideCastleWild:
7220 case BlackQueenSideCastleWild:
7222 case WhiteHSideCastleFR:
7223 case WhiteASideCastleFR:
7224 case BlackHSideCastleFR:
7225 case BlackASideCastleFR:
7227 fromX = currentMoveString[0] - AAA;
7228 fromY = currentMoveString[1] - ONE;
7229 toX = currentMoveString[2] - AAA;
7230 toY = currentMoveString[3] - ONE;
7231 promoChar = currentMoveString[4];
7235 fromX = moveType == WhiteDrop ?
7236 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7237 (int) CharToPiece(ToLower(currentMoveString[0]));
7239 toX = currentMoveString[2] - AAA;
7240 toY = currentMoveString[3] - ONE;
7241 promoChar = NULLCHAR;
7245 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7246 if (appData.debugMode) {
7247 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7248 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7249 setbuf(debugFP, NULL);
7251 DisplayError(buf, 0);
7253 case ImpossibleMove:
7255 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7256 if (appData.debugMode) {
7257 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7258 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7259 setbuf(debugFP, NULL);
7261 DisplayError(buf, 0);
7263 case (ChessMove) 0: /* end of file */
7264 if (boardIndex < backwardMostMove) {
7265 /* Oops, gap. How did that happen? */
7266 DisplayError(_("Gap in move list"), 0);
7269 backwardMostMove = blackPlaysFirst ? 1 : 0;
7270 if (boardIndex > forwardMostMove) {
7271 forwardMostMove = boardIndex;
7275 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7276 strcat(parseList[boardIndex-1], " ");
7277 strcat(parseList[boardIndex-1], yy_text);
7289 case GameUnfinished:
7290 if (gameMode == IcsExamining) {
7291 if (boardIndex < backwardMostMove) {
7292 /* Oops, gap. How did that happen? */
7295 backwardMostMove = blackPlaysFirst ? 1 : 0;
7298 gameInfo.result = moveType;
7299 p = strchr(yy_text, '{');
7300 if (p == NULL) p = strchr(yy_text, '(');
7303 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7305 q = strchr(p, *p == '{' ? '}' : ')');
7306 if (q != NULL) *q = NULLCHAR;
7309 gameInfo.resultDetails = StrSave(p);
7312 if (boardIndex >= forwardMostMove &&
7313 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7314 backwardMostMove = blackPlaysFirst ? 1 : 0;
7317 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7318 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,
7319 parseList[boardIndex]);
7320 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7321 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[boardIndex+1][i] = castlingRights[boardIndex][i];}
7322 /* currentMoveString is set as a side-effect of yylex */
7323 strcpy(moveList[boardIndex], currentMoveString);
7324 strcat(moveList[boardIndex], "\n");
7326 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex],
7327 castlingRights[boardIndex], &epStatus[boardIndex]);
7328 switch (MateTest(boards[boardIndex], PosFlags(boardIndex),
7329 EP_UNKNOWN, castlingRights[boardIndex]) ) {
7335 if(gameInfo.variant != VariantShogi)
7336 strcat(parseList[boardIndex - 1], "+");
7340 strcat(parseList[boardIndex - 1], "#");
7347 /* Apply a move to the given board */
7349 ApplyMove(fromX, fromY, toX, toY, promoChar, board, castling, ep)
7350 int fromX, fromY, toX, toY;
7356 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7358 /* [HGM] compute & store e.p. status and castling rights for new position */
7359 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7362 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7366 if( board[toY][toX] != EmptySquare )
7369 if( board[fromY][fromX] == WhitePawn ) {
7370 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7373 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7374 gameInfo.variant != VariantBerolina || toX < fromX)
7375 *ep = toX | berolina;
7376 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7377 gameInfo.variant != VariantBerolina || toX > fromX)
7381 if( board[fromY][fromX] == BlackPawn ) {
7382 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7384 if( toY-fromY== -2) {
7385 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7386 gameInfo.variant != VariantBerolina || toX < fromX)
7387 *ep = toX | berolina;
7388 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7389 gameInfo.variant != VariantBerolina || toX > fromX)
7394 for(i=0; i<nrCastlingRights; i++) {
7395 if(castling[i] == fromX && castlingRank[i] == fromY ||
7396 castling[i] == toX && castlingRank[i] == toY
7397 ) castling[i] = -1; // revoke for moved or captured piece
7402 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7403 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier)
7404 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7406 if (fromX == toX && fromY == toY) return;
7408 if (fromY == DROP_RANK) {
7410 piece = board[toY][toX] = (ChessSquare) fromX;
7412 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7413 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7414 if(gameInfo.variant == VariantKnightmate)
7415 king += (int) WhiteUnicorn - (int) WhiteKing;
7417 /* Code added by Tord: */
7418 /* FRC castling assumed when king captures friendly rook. */
7419 if (board[fromY][fromX] == WhiteKing &&
7420 board[toY][toX] == WhiteRook) {
7421 board[fromY][fromX] = EmptySquare;
7422 board[toY][toX] = EmptySquare;
7424 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
7426 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
7428 } else if (board[fromY][fromX] == BlackKing &&
7429 board[toY][toX] == BlackRook) {
7430 board[fromY][fromX] = EmptySquare;
7431 board[toY][toX] = EmptySquare;
7433 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
7435 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
7437 /* End of code added by Tord */
7439 } else if (board[fromY][fromX] == king
7440 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7441 && toY == fromY && toX > fromX+1) {
7442 board[fromY][fromX] = EmptySquare;
7443 board[toY][toX] = king;
7444 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7445 board[fromY][BOARD_RGHT-1] = EmptySquare;
7446 } else if (board[fromY][fromX] == king
7447 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7448 && toY == fromY && toX < fromX-1) {
7449 board[fromY][fromX] = EmptySquare;
7450 board[toY][toX] = king;
7451 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7452 board[fromY][BOARD_LEFT] = EmptySquare;
7453 } else if (board[fromY][fromX] == WhitePawn
7454 && toY == BOARD_HEIGHT-1
7455 && gameInfo.variant != VariantXiangqi
7457 /* white pawn promotion */
7458 board[toY][toX] = CharToPiece(ToUpper(promoChar));
7459 if (board[toY][toX] == EmptySquare) {
7460 board[toY][toX] = WhiteQueen;
7462 if(gameInfo.variant==VariantBughouse ||
7463 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7464 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7465 board[fromY][fromX] = EmptySquare;
7466 } else if ((fromY == BOARD_HEIGHT-4)
7468 && gameInfo.variant != VariantXiangqi
7469 && gameInfo.variant != VariantBerolina
7470 && (board[fromY][fromX] == WhitePawn)
7471 && (board[toY][toX] == EmptySquare)) {
7472 board[fromY][fromX] = EmptySquare;
7473 board[toY][toX] = WhitePawn;
7474 captured = board[toY - 1][toX];
7475 board[toY - 1][toX] = EmptySquare;
7476 } else if ((fromY == BOARD_HEIGHT-4)
7478 && gameInfo.variant == VariantBerolina
7479 && (board[fromY][fromX] == WhitePawn)
7480 && (board[toY][toX] == EmptySquare)) {
7481 board[fromY][fromX] = EmptySquare;
7482 board[toY][toX] = WhitePawn;
7483 if(oldEP & EP_BEROLIN_A) {
7484 captured = board[fromY][fromX-1];
7485 board[fromY][fromX-1] = EmptySquare;
7486 }else{ captured = board[fromY][fromX+1];
7487 board[fromY][fromX+1] = EmptySquare;
7489 } else if (board[fromY][fromX] == king
7490 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7491 && toY == fromY && toX > fromX+1) {
7492 board[fromY][fromX] = EmptySquare;
7493 board[toY][toX] = king;
7494 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7495 board[fromY][BOARD_RGHT-1] = EmptySquare;
7496 } else if (board[fromY][fromX] == king
7497 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7498 && toY == fromY && toX < fromX-1) {
7499 board[fromY][fromX] = EmptySquare;
7500 board[toY][toX] = king;
7501 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7502 board[fromY][BOARD_LEFT] = EmptySquare;
7503 } else if (fromY == 7 && fromX == 3
7504 && board[fromY][fromX] == BlackKing
7505 && toY == 7 && toX == 5) {
7506 board[fromY][fromX] = EmptySquare;
7507 board[toY][toX] = BlackKing;
7508 board[fromY][7] = EmptySquare;
7509 board[toY][4] = BlackRook;
7510 } else if (fromY == 7 && fromX == 3
7511 && board[fromY][fromX] == BlackKing
7512 && toY == 7 && toX == 1) {
7513 board[fromY][fromX] = EmptySquare;
7514 board[toY][toX] = BlackKing;
7515 board[fromY][0] = EmptySquare;
7516 board[toY][2] = BlackRook;
7517 } else if (board[fromY][fromX] == BlackPawn
7519 && gameInfo.variant != VariantXiangqi
7521 /* black pawn promotion */
7522 board[0][toX] = CharToPiece(ToLower(promoChar));
7523 if (board[0][toX] == EmptySquare) {
7524 board[0][toX] = BlackQueen;
7526 if(gameInfo.variant==VariantBughouse ||
7527 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7528 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7529 board[fromY][fromX] = EmptySquare;
7530 } else if ((fromY == 3)
7532 && gameInfo.variant != VariantXiangqi
7533 && gameInfo.variant != VariantBerolina
7534 && (board[fromY][fromX] == BlackPawn)
7535 && (board[toY][toX] == EmptySquare)) {
7536 board[fromY][fromX] = EmptySquare;
7537 board[toY][toX] = BlackPawn;
7538 captured = board[toY + 1][toX];
7539 board[toY + 1][toX] = EmptySquare;
7540 } else if ((fromY == 3)
7542 && gameInfo.variant == VariantBerolina
7543 && (board[fromY][fromX] == BlackPawn)
7544 && (board[toY][toX] == EmptySquare)) {
7545 board[fromY][fromX] = EmptySquare;
7546 board[toY][toX] = BlackPawn;
7547 if(oldEP & EP_BEROLIN_A) {
7548 captured = board[fromY][fromX-1];
7549 board[fromY][fromX-1] = EmptySquare;
7550 }else{ captured = board[fromY][fromX+1];
7551 board[fromY][fromX+1] = EmptySquare;
7554 board[toY][toX] = board[fromY][fromX];
7555 board[fromY][fromX] = EmptySquare;
7558 /* [HGM] now we promote for Shogi, if needed */
7559 if(gameInfo.variant == VariantShogi && promoChar == 'q')
7560 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7563 if (gameInfo.holdingsWidth != 0) {
7565 /* !!A lot more code needs to be written to support holdings */
7566 /* [HGM] OK, so I have written it. Holdings are stored in the */
7567 /* penultimate board files, so they are automaticlly stored */
7568 /* in the game history. */
7569 if (fromY == DROP_RANK) {
7570 /* Delete from holdings, by decreasing count */
7571 /* and erasing image if necessary */
7573 if(p < (int) BlackPawn) { /* white drop */
7574 p -= (int)WhitePawn;
7575 p = PieceToNumber((ChessSquare)p);
7576 if(p >= gameInfo.holdingsSize) p = 0;
7577 if(--board[p][BOARD_WIDTH-2] <= 0)
7578 board[p][BOARD_WIDTH-1] = EmptySquare;
7579 if((int)board[p][BOARD_WIDTH-2] < 0)
7580 board[p][BOARD_WIDTH-2] = 0;
7581 } else { /* black drop */
7582 p -= (int)BlackPawn;
7583 p = PieceToNumber((ChessSquare)p);
7584 if(p >= gameInfo.holdingsSize) p = 0;
7585 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
7586 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
7587 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
7588 board[BOARD_HEIGHT-1-p][1] = 0;
7591 if (captured != EmptySquare && gameInfo.holdingsSize > 0
7592 && gameInfo.variant != VariantBughouse ) {
7593 /* [HGM] holdings: Add to holdings, if holdings exist */
7594 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7595 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
7596 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
7599 if (p >= (int) BlackPawn) {
7600 p -= (int)BlackPawn;
7601 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7602 /* in Shogi restore piece to its original first */
7603 captured = (ChessSquare) (DEMOTED captured);
7606 p = PieceToNumber((ChessSquare)p);
7607 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
7608 board[p][BOARD_WIDTH-2]++;
7609 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
7611 p -= (int)WhitePawn;
7612 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7613 captured = (ChessSquare) (DEMOTED captured);
7616 p = PieceToNumber((ChessSquare)p);
7617 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
7618 board[BOARD_HEIGHT-1-p][1]++;
7619 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
7622 } else if (gameInfo.variant == VariantAtomic) {
7623 if (captured != EmptySquare) {
7625 for (y = toY-1; y <= toY+1; y++) {
7626 for (x = toX-1; x <= toX+1; x++) {
7627 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
7628 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
7629 board[y][x] = EmptySquare;
7633 board[toY][toX] = EmptySquare;
7636 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
7637 /* [HGM] Shogi promotions */
7638 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7641 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7642 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
7643 // [HGM] superchess: take promotion piece out of holdings
7644 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7645 if((int)piece < (int)BlackPawn) { // determine stm from piece color
7646 if(!--board[k][BOARD_WIDTH-2])
7647 board[k][BOARD_WIDTH-1] = EmptySquare;
7649 if(!--board[BOARD_HEIGHT-1-k][1])
7650 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
7656 /* Updates forwardMostMove */
7658 MakeMove(fromX, fromY, toX, toY, promoChar)
7659 int fromX, fromY, toX, toY;
7662 // forwardMostMove++; // [HGM] bare: moved downstream
7664 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
7665 int timeLeft; static int lastLoadFlag=0; int king, piece;
7666 piece = boards[forwardMostMove][fromY][fromX];
7667 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
7668 if(gameInfo.variant == VariantKnightmate)
7669 king += (int) WhiteUnicorn - (int) WhiteKing;
7670 if(forwardMostMove == 0) {
7672 fprintf(serverMoves, "%s;", second.tidy);
7673 fprintf(serverMoves, "%s;", first.tidy);
7674 if(!blackPlaysFirst)
7675 fprintf(serverMoves, "%s;", second.tidy);
7676 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
7677 lastLoadFlag = loadFlag;
7679 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
7680 // print castling suffix
7681 if( toY == fromY && piece == king ) {
7683 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
7685 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
7688 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
7689 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
7690 boards[forwardMostMove][toY][toX] == EmptySquare
7692 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
7694 if(promoChar != NULLCHAR)
7695 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
7697 fprintf(serverMoves, "/%d/%d",
7698 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
7699 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
7700 else timeLeft = blackTimeRemaining/1000;
7701 fprintf(serverMoves, "/%d", timeLeft);
7703 fflush(serverMoves);
7706 if (forwardMostMove+1 >= MAX_MOVES) {
7707 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
7711 if (commentList[forwardMostMove+1] != NULL) {
7712 free(commentList[forwardMostMove+1]);
7713 commentList[forwardMostMove+1] = NULL;
7715 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7716 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[forwardMostMove+1][i] = castlingRights[forwardMostMove][i];}
7717 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1],
7718 castlingRights[forwardMostMove+1], &epStatus[forwardMostMove+1]);
7719 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
7720 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
7721 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7722 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7723 gameInfo.result = GameUnfinished;
7724 if (gameInfo.resultDetails != NULL) {
7725 free(gameInfo.resultDetails);
7726 gameInfo.resultDetails = NULL;
7728 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
7729 moveList[forwardMostMove - 1]);
7730 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
7731 PosFlags(forwardMostMove - 1), EP_UNKNOWN,
7732 fromY, fromX, toY, toX, promoChar,
7733 parseList[forwardMostMove - 1]);
7734 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7735 epStatus[forwardMostMove], /* [HGM] use true e.p. */
7736 castlingRights[forwardMostMove]) ) {
7742 if(gameInfo.variant != VariantShogi)
7743 strcat(parseList[forwardMostMove - 1], "+");
7747 strcat(parseList[forwardMostMove - 1], "#");
7750 if (appData.debugMode) {
7751 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
7756 /* Updates currentMove if not pausing */
7758 ShowMove(fromX, fromY, toX, toY)
7760 int instant = (gameMode == PlayFromGameFile) ?
7761 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
7762 if(appData.noGUI) return;
7763 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
7765 if (forwardMostMove == currentMove + 1) {
7766 AnimateMove(boards[forwardMostMove - 1],
7767 fromX, fromY, toX, toY);
7769 if (appData.highlightLastMove) {
7770 SetHighlights(fromX, fromY, toX, toY);
7773 currentMove = forwardMostMove;
7776 if (instant) return;
7778 DisplayMove(currentMove - 1);
7779 DrawPosition(FALSE, boards[currentMove]);
7780 DisplayBothClocks();
7781 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
7784 void SendEgtPath(ChessProgramState *cps)
7785 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
7786 char buf[MSG_SIZ], name[MSG_SIZ], *p;
7788 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
7791 char c, *q = name+1, *r, *s;
7793 name[0] = ','; // extract next format name from feature and copy with prefixed ','
7794 while(*p && *p != ',') *q++ = *p++;
7796 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
7797 strcmp(name, ",nalimov:") == 0 ) {
7798 // take nalimov path from the menu-changeable option first, if it is defined
7799 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
7800 SendToProgram(buf,cps); // send egtbpath command for nalimov
7802 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
7803 (s = StrStr(appData.egtFormats, name)) != NULL) {
7804 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
7805 s = r = StrStr(s, ":") + 1; // beginning of path info
7806 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
7807 c = *r; *r = 0; // temporarily null-terminate path info
7808 *--q = 0; // strip of trailig ':' from name
7809 sprintf(buf, "egtpath %s %s\n", name+1, s);
7811 SendToProgram(buf,cps); // send egtbpath command for this format
7813 if(*p == ',') p++; // read away comma to position for next format name
7818 InitChessProgram(cps, setup)
7819 ChessProgramState *cps;
7820 int setup; /* [HGM] needed to setup FRC opening position */
7822 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
7823 if (appData.noChessProgram) return;
7824 hintRequested = FALSE;
7825 bookRequested = FALSE;
7827 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
7828 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
7829 if(cps->memSize) { /* [HGM] memory */
7830 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
7831 SendToProgram(buf, cps);
7833 SendEgtPath(cps); /* [HGM] EGT */
7834 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
7835 sprintf(buf, "cores %d\n", appData.smpCores);
7836 SendToProgram(buf, cps);
7839 SendToProgram(cps->initString, cps);
7840 if (gameInfo.variant != VariantNormal &&
7841 gameInfo.variant != VariantLoadable
7842 /* [HGM] also send variant if board size non-standard */
7843 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
7845 char *v = VariantName(gameInfo.variant);
7846 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
7847 /* [HGM] in protocol 1 we have to assume all variants valid */
7848 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
7849 DisplayFatalError(buf, 0, 1);
7853 /* [HGM] make prefix for non-standard board size. Awkward testing... */
7854 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7855 if( gameInfo.variant == VariantXiangqi )
7856 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
7857 if( gameInfo.variant == VariantShogi )
7858 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
7859 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
7860 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
7861 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
7862 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
7863 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7864 if( gameInfo.variant == VariantCourier )
7865 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7866 if( gameInfo.variant == VariantSuper )
7867 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7868 if( gameInfo.variant == VariantGreat )
7869 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7872 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
7873 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
7874 /* [HGM] varsize: try first if this defiant size variant is specifically known */
7875 if(StrStr(cps->variants, b) == NULL) {
7876 // specific sized variant not known, check if general sizing allowed
7877 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
7878 if(StrStr(cps->variants, "boardsize") == NULL) {
7879 sprintf(buf, "Board size %dx%d+%d not supported by %s",
7880 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
7881 DisplayFatalError(buf, 0, 1);
7884 /* [HGM] here we really should compare with the maximum supported board size */
7887 } else sprintf(b, "%s", VariantName(gameInfo.variant));
7888 sprintf(buf, "variant %s\n", b);
7889 SendToProgram(buf, cps);
7891 currentlyInitializedVariant = gameInfo.variant;
7893 /* [HGM] send opening position in FRC to first engine */
7895 SendToProgram("force\n", cps);
7897 /* engine is now in force mode! Set flag to wake it up after first move. */
7898 setboardSpoiledMachineBlack = 1;
7902 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
7903 SendToProgram(buf, cps);
7905 cps->maybeThinking = FALSE;
7906 cps->offeredDraw = 0;
7907 if (!appData.icsActive) {
7908 SendTimeControl(cps, movesPerSession, timeControl,
7909 timeIncrement, appData.searchDepth,
7912 if (appData.showThinking
7913 // [HGM] thinking: four options require thinking output to be sent
7914 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7916 SendToProgram("post\n", cps);
7918 SendToProgram("hard\n", cps);
7919 if (!appData.ponderNextMove) {
7920 /* Warning: "easy" is a toggle in GNU Chess, so don't send
7921 it without being sure what state we are in first. "hard"
7922 is not a toggle, so that one is OK.
7924 SendToProgram("easy\n", cps);
7927 sprintf(buf, "ping %d\n", ++cps->lastPing);
7928 SendToProgram(buf, cps);
7930 cps->initDone = TRUE;
7935 StartChessProgram(cps)
7936 ChessProgramState *cps;
7941 if (appData.noChessProgram) return;
7942 cps->initDone = FALSE;
7944 if (strcmp(cps->host, "localhost") == 0) {
7945 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
7946 } else if (*appData.remoteShell == NULLCHAR) {
7947 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
7949 if (*appData.remoteUser == NULLCHAR) {
7950 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
7953 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
7954 cps->host, appData.remoteUser, cps->program);
7956 err = StartChildProcess(buf, "", &cps->pr);
7960 sprintf(buf, _("Startup failure on '%s'"), cps->program);
7961 DisplayFatalError(buf, err, 1);
7967 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
7968 if (cps->protocolVersion > 1) {
7969 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
7970 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
7971 cps->comboCnt = 0; // and values of combo boxes
7972 SendToProgram(buf, cps);
7974 SendToProgram("xboard\n", cps);
7980 TwoMachinesEventIfReady P((void))
7982 if (first.lastPing != first.lastPong) {
7983 DisplayMessage("", _("Waiting for first chess program"));
7984 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7987 if (second.lastPing != second.lastPong) {
7988 DisplayMessage("", _("Waiting for second chess program"));
7989 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7997 NextMatchGame P((void))
7999 int index; /* [HGM] autoinc: step load index during match */
8001 if (*appData.loadGameFile != NULLCHAR) {
8002 index = appData.loadGameIndex;
8003 if(index < 0) { // [HGM] autoinc
8004 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8005 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8007 LoadGameFromFile(appData.loadGameFile,
8009 appData.loadGameFile, FALSE);
8010 } else if (*appData.loadPositionFile != NULLCHAR) {
8011 index = appData.loadPositionIndex;
8012 if(index < 0) { // [HGM] autoinc
8013 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8014 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8016 LoadPositionFromFile(appData.loadPositionFile,
8018 appData.loadPositionFile);
8020 TwoMachinesEventIfReady();
8023 void UserAdjudicationEvent( int result )
8025 ChessMove gameResult = GameIsDrawn;
8028 gameResult = WhiteWins;
8030 else if( result < 0 ) {
8031 gameResult = BlackWins;
8034 if( gameMode == TwoMachinesPlay ) {
8035 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8040 // [HGM] save: calculate checksum of game to make games easily identifiable
8041 int StringCheckSum(char *s)
8044 if(s==NULL) return 0;
8045 while(*s) i = i*259 + *s++;
8052 for(i=backwardMostMove; i<forwardMostMove; i++) {
8053 sum += pvInfoList[i].depth;
8054 sum += StringCheckSum(parseList[i]);
8055 sum += StringCheckSum(commentList[i]);
8058 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8059 return sum + StringCheckSum(commentList[i]);
8060 } // end of save patch
8063 GameEnds(result, resultDetails, whosays)
8065 char *resultDetails;
8068 GameMode nextGameMode;
8072 if(endingGame) return; /* [HGM] crash: forbid recursion */
8075 if (appData.debugMode) {
8076 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8077 result, resultDetails ? resultDetails : "(null)", whosays);
8080 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8081 /* If we are playing on ICS, the server decides when the
8082 game is over, but the engine can offer to draw, claim
8086 if (appData.zippyPlay && first.initDone) {
8087 if (result == GameIsDrawn) {
8088 /* In case draw still needs to be claimed */
8089 SendToICS(ics_prefix);
8090 SendToICS("draw\n");
8091 } else if (StrCaseStr(resultDetails, "resign")) {
8092 SendToICS(ics_prefix);
8093 SendToICS("resign\n");
8097 endingGame = 0; /* [HGM] crash */
8101 /* If we're loading the game from a file, stop */
8102 if (whosays == GE_FILE) {
8103 (void) StopLoadGameTimer();
8107 /* Cancel draw offers */
8108 first.offeredDraw = second.offeredDraw = 0;
8110 /* If this is an ICS game, only ICS can really say it's done;
8111 if not, anyone can. */
8112 isIcsGame = (gameMode == IcsPlayingWhite ||
8113 gameMode == IcsPlayingBlack ||
8114 gameMode == IcsObserving ||
8115 gameMode == IcsExamining);
8117 if (!isIcsGame || whosays == GE_ICS) {
8118 /* OK -- not an ICS game, or ICS said it was done */
8120 if (!isIcsGame && !appData.noChessProgram)
8121 SetUserThinkingEnables();
8123 /* [HGM] if a machine claims the game end we verify this claim */
8124 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8125 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8127 ChessMove trueResult = (ChessMove) -1;
8129 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8130 first.twoMachinesColor[0] :
8131 second.twoMachinesColor[0] ;
8133 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8134 if(epStatus[forwardMostMove] == EP_CHECKMATE) {
8135 /* [HGM] verify: engine mate claims accepted if they were flagged */
8136 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8138 if(epStatus[forwardMostMove] == EP_WINS) { // added code for games where being mated is a win
8139 /* [HGM] verify: engine mate claims accepted if they were flagged */
8140 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8142 if(epStatus[forwardMostMove] == EP_STALEMATE) { // only used to indicate draws now
8143 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8146 // now verify win claims, but not in drop games, as we don't understand those yet
8147 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8148 || gameInfo.variant == VariantGreat) &&
8149 (result == WhiteWins && claimer == 'w' ||
8150 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8151 if (appData.debugMode) {
8152 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8153 result, epStatus[forwardMostMove], forwardMostMove);
8155 if(result != trueResult) {
8156 sprintf(buf, "False win claim: '%s'", resultDetails);
8157 result = claimer == 'w' ? BlackWins : WhiteWins;
8158 resultDetails = buf;
8161 if( result == GameIsDrawn && epStatus[forwardMostMove] > EP_DRAWS
8162 && (forwardMostMove <= backwardMostMove ||
8163 epStatus[forwardMostMove-1] > EP_DRAWS ||
8164 (claimer=='b')==(forwardMostMove&1))
8166 /* [HGM] verify: draws that were not flagged are false claims */
8167 sprintf(buf, "False draw claim: '%s'", resultDetails);
8168 result = claimer == 'w' ? BlackWins : WhiteWins;
8169 resultDetails = buf;
8171 /* (Claiming a loss is accepted no questions asked!) */
8173 /* [HGM] bare: don't allow bare King to win */
8174 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8175 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8176 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8177 && result != GameIsDrawn)
8178 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8179 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8180 int p = (int)boards[forwardMostMove][i][j] - color;
8181 if(p >= 0 && p <= (int)WhiteKing) k++;
8183 if (appData.debugMode) {
8184 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8185 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8188 result = GameIsDrawn;
8189 sprintf(buf, "%s but bare king", resultDetails);
8190 resultDetails = buf;
8196 if(serverMoves != NULL && !loadFlag) { char c = '=';
8197 if(result==WhiteWins) c = '+';
8198 if(result==BlackWins) c = '-';
8199 if(resultDetails != NULL)
8200 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8202 if (resultDetails != NULL) {
8203 gameInfo.result = result;
8204 gameInfo.resultDetails = StrSave(resultDetails);
8206 /* display last move only if game was not loaded from file */
8207 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8208 DisplayMove(currentMove - 1);
8210 if (forwardMostMove != 0) {
8211 if (gameMode != PlayFromGameFile && gameMode != EditGame
8212 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8214 if (*appData.saveGameFile != NULLCHAR) {
8215 SaveGameToFile(appData.saveGameFile, TRUE);
8216 } else if (appData.autoSaveGames) {
8219 if (*appData.savePositionFile != NULLCHAR) {
8220 SavePositionToFile(appData.savePositionFile);
8225 /* Tell program how game ended in case it is learning */
8226 /* [HGM] Moved this to after saving the PGN, just in case */
8227 /* engine died and we got here through time loss. In that */
8228 /* case we will get a fatal error writing the pipe, which */
8229 /* would otherwise lose us the PGN. */
8230 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8231 /* output during GameEnds should never be fatal anymore */
8232 if (gameMode == MachinePlaysWhite ||
8233 gameMode == MachinePlaysBlack ||
8234 gameMode == TwoMachinesPlay ||
8235 gameMode == IcsPlayingWhite ||
8236 gameMode == IcsPlayingBlack ||
8237 gameMode == BeginningOfGame) {
8239 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8241 if (first.pr != NoProc) {
8242 SendToProgram(buf, &first);
8244 if (second.pr != NoProc &&
8245 gameMode == TwoMachinesPlay) {
8246 SendToProgram(buf, &second);
8251 if (appData.icsActive) {
8252 if (appData.quietPlay &&
8253 (gameMode == IcsPlayingWhite ||
8254 gameMode == IcsPlayingBlack)) {
8255 SendToICS(ics_prefix);
8256 SendToICS("set shout 1\n");
8258 nextGameMode = IcsIdle;
8259 ics_user_moved = FALSE;
8260 /* clean up premove. It's ugly when the game has ended and the
8261 * premove highlights are still on the board.
8265 ClearPremoveHighlights();
8266 DrawPosition(FALSE, boards[currentMove]);
8268 if (whosays == GE_ICS) {
8271 if (gameMode == IcsPlayingWhite)
8273 else if(gameMode == IcsPlayingBlack)
8277 if (gameMode == IcsPlayingBlack)
8279 else if(gameMode == IcsPlayingWhite)
8286 PlayIcsUnfinishedSound();
8289 } else if (gameMode == EditGame ||
8290 gameMode == PlayFromGameFile ||
8291 gameMode == AnalyzeMode ||
8292 gameMode == AnalyzeFile) {
8293 nextGameMode = gameMode;
8295 nextGameMode = EndOfGame;
8300 nextGameMode = gameMode;
8303 if (appData.noChessProgram) {
8304 gameMode = nextGameMode;
8306 endingGame = 0; /* [HGM] crash */
8311 /* Put first chess program into idle state */
8312 if (first.pr != NoProc &&
8313 (gameMode == MachinePlaysWhite ||
8314 gameMode == MachinePlaysBlack ||
8315 gameMode == TwoMachinesPlay ||
8316 gameMode == IcsPlayingWhite ||
8317 gameMode == IcsPlayingBlack ||
8318 gameMode == BeginningOfGame)) {
8319 SendToProgram("force\n", &first);
8320 if (first.usePing) {
8322 sprintf(buf, "ping %d\n", ++first.lastPing);
8323 SendToProgram(buf, &first);
8326 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8327 /* Kill off first chess program */
8328 if (first.isr != NULL)
8329 RemoveInputSource(first.isr);
8332 if (first.pr != NoProc) {
8334 DoSleep( appData.delayBeforeQuit );
8335 SendToProgram("quit\n", &first);
8336 DoSleep( appData.delayAfterQuit );
8337 DestroyChildProcess(first.pr, first.useSigterm);
8342 /* Put second chess program into idle state */
8343 if (second.pr != NoProc &&
8344 gameMode == TwoMachinesPlay) {
8345 SendToProgram("force\n", &second);
8346 if (second.usePing) {
8348 sprintf(buf, "ping %d\n", ++second.lastPing);
8349 SendToProgram(buf, &second);
8352 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8353 /* Kill off second chess program */
8354 if (second.isr != NULL)
8355 RemoveInputSource(second.isr);
8358 if (second.pr != NoProc) {
8359 DoSleep( appData.delayBeforeQuit );
8360 SendToProgram("quit\n", &second);
8361 DoSleep( appData.delayAfterQuit );
8362 DestroyChildProcess(second.pr, second.useSigterm);
8367 if (matchMode && gameMode == TwoMachinesPlay) {
8370 if (first.twoMachinesColor[0] == 'w') {
8377 if (first.twoMachinesColor[0] == 'b') {
8386 if (matchGame < appData.matchGames) {
8388 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8389 tmp = first.twoMachinesColor;
8390 first.twoMachinesColor = second.twoMachinesColor;
8391 second.twoMachinesColor = tmp;
8393 gameMode = nextGameMode;
8395 if(appData.matchPause>10000 || appData.matchPause<10)
8396 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8397 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8398 endingGame = 0; /* [HGM] crash */
8402 gameMode = nextGameMode;
8403 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8404 first.tidy, second.tidy,
8405 first.matchWins, second.matchWins,
8406 appData.matchGames - (first.matchWins + second.matchWins));
8407 DisplayFatalError(buf, 0, 0);
8410 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8411 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8413 gameMode = nextGameMode;
8415 endingGame = 0; /* [HGM] crash */
8418 /* Assumes program was just initialized (initString sent).
8419 Leaves program in force mode. */
8421 FeedMovesToProgram(cps, upto)
8422 ChessProgramState *cps;
8427 if (appData.debugMode)
8428 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
8429 startedFromSetupPosition ? "position and " : "",
8430 backwardMostMove, upto, cps->which);
8431 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
8432 // [HGM] variantswitch: make engine aware of new variant
8433 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
8434 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
8435 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
8436 SendToProgram(buf, cps);
8437 currentlyInitializedVariant = gameInfo.variant;
8439 SendToProgram("force\n", cps);
8440 if (startedFromSetupPosition) {
8441 SendBoard(cps, backwardMostMove);
8442 if (appData.debugMode) {
8443 fprintf(debugFP, "feedMoves\n");
8446 for (i = backwardMostMove; i < upto; i++) {
8447 SendMoveToProgram(i, cps);
8453 ResurrectChessProgram()
8455 /* The chess program may have exited.
8456 If so, restart it and feed it all the moves made so far. */
8458 if (appData.noChessProgram || first.pr != NoProc) return;
8460 StartChessProgram(&first);
8461 InitChessProgram(&first, FALSE);
8462 FeedMovesToProgram(&first, currentMove);
8464 if (!first.sendTime) {
8465 /* can't tell gnuchess what its clock should read,
8466 so we bow to its notion. */
8468 timeRemaining[0][currentMove] = whiteTimeRemaining;
8469 timeRemaining[1][currentMove] = blackTimeRemaining;
8472 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
8473 appData.icsEngineAnalyze) && first.analysisSupport) {
8474 SendToProgram("analyze\n", &first);
8475 first.analyzing = TRUE;
8488 if (appData.debugMode) {
8489 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
8490 redraw, init, gameMode);
8492 pausing = pauseExamInvalid = FALSE;
8493 startedFromSetupPosition = blackPlaysFirst = FALSE;
8495 whiteFlag = blackFlag = FALSE;
8496 userOfferedDraw = FALSE;
8497 hintRequested = bookRequested = FALSE;
8498 first.maybeThinking = FALSE;
8499 second.maybeThinking = FALSE;
8500 first.bookSuspend = FALSE; // [HGM] book
8501 second.bookSuspend = FALSE;
8502 thinkOutput[0] = NULLCHAR;
8503 lastHint[0] = NULLCHAR;
8504 ClearGameInfo(&gameInfo);
8505 gameInfo.variant = StringToVariant(appData.variant);
8506 ics_user_moved = ics_clock_paused = FALSE;
8507 ics_getting_history = H_FALSE;
8509 white_holding[0] = black_holding[0] = NULLCHAR;
8510 ClearProgramStats();
8511 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
8515 flipView = appData.flipView;
8516 ClearPremoveHighlights();
8518 alarmSounded = FALSE;
8520 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8521 if(appData.serverMovesName != NULL) {
8522 /* [HGM] prepare to make moves file for broadcasting */
8523 clock_t t = clock();
8524 if(serverMoves != NULL) fclose(serverMoves);
8525 serverMoves = fopen(appData.serverMovesName, "r");
8526 if(serverMoves != NULL) {
8527 fclose(serverMoves);
8528 /* delay 15 sec before overwriting, so all clients can see end */
8529 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
8531 serverMoves = fopen(appData.serverMovesName, "w");
8535 gameMode = BeginningOfGame;
8537 if(appData.icsActive) gameInfo.variant = VariantNormal;
8538 currentMove = forwardMostMove = backwardMostMove = 0;
8539 InitPosition(redraw);
8540 for (i = 0; i < MAX_MOVES; i++) {
8541 if (commentList[i] != NULL) {
8542 free(commentList[i]);
8543 commentList[i] = NULL;
8547 timeRemaining[0][0] = whiteTimeRemaining;
8548 timeRemaining[1][0] = blackTimeRemaining;
8549 if (first.pr == NULL) {
8550 StartChessProgram(&first);
8553 InitChessProgram(&first, startedFromSetupPosition);
8556 DisplayMessage("", "");
8557 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
8558 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
8565 if (!AutoPlayOneMove())
8567 if (matchMode || appData.timeDelay == 0)
8569 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
8571 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
8580 int fromX, fromY, toX, toY;
8582 if (appData.debugMode) {
8583 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
8586 if (gameMode != PlayFromGameFile)
8589 if (currentMove >= forwardMostMove) {
8590 gameMode = EditGame;
8593 /* [AS] Clear current move marker at the end of a game */
8594 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
8599 toX = moveList[currentMove][2] - AAA;
8600 toY = moveList[currentMove][3] - ONE;
8602 if (moveList[currentMove][1] == '@') {
8603 if (appData.highlightLastMove) {
8604 SetHighlights(-1, -1, toX, toY);
8607 fromX = moveList[currentMove][0] - AAA;
8608 fromY = moveList[currentMove][1] - ONE;
8610 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
8612 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8614 if (appData.highlightLastMove) {
8615 SetHighlights(fromX, fromY, toX, toY);
8618 DisplayMove(currentMove);
8619 SendMoveToProgram(currentMove++, &first);
8620 DisplayBothClocks();
8621 DrawPosition(FALSE, boards[currentMove]);
8622 // [HGM] PV info: always display, routine tests if empty
8623 DisplayComment(currentMove - 1, commentList[currentMove]);
8629 LoadGameOneMove(readAhead)
8630 ChessMove readAhead;
8632 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
8633 char promoChar = NULLCHAR;
8638 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
8639 gameMode != AnalyzeMode && gameMode != Training) {
8644 yyboardindex = forwardMostMove;
8645 if (readAhead != (ChessMove)0) {
8646 moveType = readAhead;
8648 if (gameFileFP == NULL)
8650 moveType = (ChessMove) yylex();
8656 if (appData.debugMode)
8657 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8659 if (*p == '{' || *p == '[' || *p == '(') {
8660 p[strlen(p) - 1] = NULLCHAR;
8664 /* append the comment but don't display it */
8665 while (*p == '\n') p++;
8666 AppendComment(currentMove, p);
8669 case WhiteCapturesEnPassant:
8670 case BlackCapturesEnPassant:
8671 case WhitePromotionChancellor:
8672 case BlackPromotionChancellor:
8673 case WhitePromotionArchbishop:
8674 case BlackPromotionArchbishop:
8675 case WhitePromotionCentaur:
8676 case BlackPromotionCentaur:
8677 case WhitePromotionQueen:
8678 case BlackPromotionQueen:
8679 case WhitePromotionRook:
8680 case BlackPromotionRook:
8681 case WhitePromotionBishop:
8682 case BlackPromotionBishop:
8683 case WhitePromotionKnight:
8684 case BlackPromotionKnight:
8685 case WhitePromotionKing:
8686 case BlackPromotionKing:
8688 case WhiteKingSideCastle:
8689 case WhiteQueenSideCastle:
8690 case BlackKingSideCastle:
8691 case BlackQueenSideCastle:
8692 case WhiteKingSideCastleWild:
8693 case WhiteQueenSideCastleWild:
8694 case BlackKingSideCastleWild:
8695 case BlackQueenSideCastleWild:
8697 case WhiteHSideCastleFR:
8698 case WhiteASideCastleFR:
8699 case BlackHSideCastleFR:
8700 case BlackASideCastleFR:
8702 if (appData.debugMode)
8703 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8704 fromX = currentMoveString[0] - AAA;
8705 fromY = currentMoveString[1] - ONE;
8706 toX = currentMoveString[2] - AAA;
8707 toY = currentMoveString[3] - ONE;
8708 promoChar = currentMoveString[4];
8713 if (appData.debugMode)
8714 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8715 fromX = moveType == WhiteDrop ?
8716 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8717 (int) CharToPiece(ToLower(currentMoveString[0]));
8719 toX = currentMoveString[2] - AAA;
8720 toY = currentMoveString[3] - ONE;
8726 case GameUnfinished:
8727 if (appData.debugMode)
8728 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
8729 p = strchr(yy_text, '{');
8730 if (p == NULL) p = strchr(yy_text, '(');
8733 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8735 q = strchr(p, *p == '{' ? '}' : ')');
8736 if (q != NULL) *q = NULLCHAR;
8739 GameEnds(moveType, p, GE_FILE);
8741 if (cmailMsgLoaded) {
8743 flipView = WhiteOnMove(currentMove);
8744 if (moveType == GameUnfinished) flipView = !flipView;
8745 if (appData.debugMode)
8746 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
8750 case (ChessMove) 0: /* end of file */
8751 if (appData.debugMode)
8752 fprintf(debugFP, "Parser hit end of file\n");
8753 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8754 EP_UNKNOWN, castlingRights[currentMove]) ) {
8760 if (WhiteOnMove(currentMove)) {
8761 GameEnds(BlackWins, "Black mates", GE_FILE);
8763 GameEnds(WhiteWins, "White mates", GE_FILE);
8767 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8774 if (lastLoadGameStart == GNUChessGame) {
8775 /* GNUChessGames have numbers, but they aren't move numbers */
8776 if (appData.debugMode)
8777 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8778 yy_text, (int) moveType);
8779 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8781 /* else fall thru */
8786 /* Reached start of next game in file */
8787 if (appData.debugMode)
8788 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
8789 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8790 EP_UNKNOWN, castlingRights[currentMove]) ) {
8796 if (WhiteOnMove(currentMove)) {
8797 GameEnds(BlackWins, "Black mates", GE_FILE);
8799 GameEnds(WhiteWins, "White mates", GE_FILE);
8803 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8809 case PositionDiagram: /* should not happen; ignore */
8810 case ElapsedTime: /* ignore */
8811 case NAG: /* ignore */
8812 if (appData.debugMode)
8813 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8814 yy_text, (int) moveType);
8815 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8818 if (appData.testLegality) {
8819 if (appData.debugMode)
8820 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
8821 sprintf(move, _("Illegal move: %d.%s%s"),
8822 (forwardMostMove / 2) + 1,
8823 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8824 DisplayError(move, 0);
8827 if (appData.debugMode)
8828 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
8829 yy_text, currentMoveString);
8830 fromX = currentMoveString[0] - AAA;
8831 fromY = currentMoveString[1] - ONE;
8832 toX = currentMoveString[2] - AAA;
8833 toY = currentMoveString[3] - ONE;
8834 promoChar = currentMoveString[4];
8839 if (appData.debugMode)
8840 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
8841 sprintf(move, _("Ambiguous move: %d.%s%s"),
8842 (forwardMostMove / 2) + 1,
8843 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8844 DisplayError(move, 0);
8849 case ImpossibleMove:
8850 if (appData.debugMode)
8851 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
8852 sprintf(move, _("Illegal move: %d.%s%s"),
8853 (forwardMostMove / 2) + 1,
8854 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8855 DisplayError(move, 0);
8861 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
8862 DrawPosition(FALSE, boards[currentMove]);
8863 DisplayBothClocks();
8864 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
8865 DisplayComment(currentMove - 1, commentList[currentMove]);
8867 (void) StopLoadGameTimer();
8869 cmailOldMove = forwardMostMove;
8872 /* currentMoveString is set as a side-effect of yylex */
8873 strcat(currentMoveString, "\n");
8874 strcpy(moveList[forwardMostMove], currentMoveString);
8876 thinkOutput[0] = NULLCHAR;
8877 MakeMove(fromX, fromY, toX, toY, promoChar);
8878 currentMove = forwardMostMove;
8883 /* Load the nth game from the given file */
8885 LoadGameFromFile(filename, n, title, useList)
8889 /*Boolean*/ int useList;
8894 if (strcmp(filename, "-") == 0) {
8898 f = fopen(filename, "rb");
8900 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
8901 DisplayError(buf, errno);
8905 if (fseek(f, 0, 0) == -1) {
8906 /* f is not seekable; probably a pipe */
8909 if (useList && n == 0) {
8910 int error = GameListBuild(f);
8912 DisplayError(_("Cannot build game list"), error);
8913 } else if (!ListEmpty(&gameList) &&
8914 ((ListGame *) gameList.tailPred)->number > 1) {
8915 GameListPopUp(f, title);
8922 return LoadGame(f, n, title, FALSE);
8927 MakeRegisteredMove()
8929 int fromX, fromY, toX, toY;
8931 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8932 switch (cmailMoveType[lastLoadGameNumber - 1]) {
8935 if (appData.debugMode)
8936 fprintf(debugFP, "Restoring %s for game %d\n",
8937 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
8939 thinkOutput[0] = NULLCHAR;
8940 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
8941 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
8942 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
8943 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
8944 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
8945 promoChar = cmailMove[lastLoadGameNumber - 1][4];
8946 MakeMove(fromX, fromY, toX, toY, promoChar);
8947 ShowMove(fromX, fromY, toX, toY);
8949 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8950 EP_UNKNOWN, castlingRights[currentMove]) ) {
8957 if (WhiteOnMove(currentMove)) {
8958 GameEnds(BlackWins, "Black mates", GE_PLAYER);
8960 GameEnds(WhiteWins, "White mates", GE_PLAYER);
8965 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
8972 if (WhiteOnMove(currentMove)) {
8973 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8975 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8980 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8991 /* Wrapper around LoadGame for use when a Cmail message is loaded */
8993 CmailLoadGame(f, gameNumber, title, useList)
9001 if (gameNumber > nCmailGames) {
9002 DisplayError(_("No more games in this message"), 0);
9005 if (f == lastLoadGameFP) {
9006 int offset = gameNumber - lastLoadGameNumber;
9008 cmailMsg[0] = NULLCHAR;
9009 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9010 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9011 nCmailMovesRegistered--;
9013 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9014 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9015 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9018 if (! RegisterMove()) return FALSE;
9022 retVal = LoadGame(f, gameNumber, title, useList);
9024 /* Make move registered during previous look at this game, if any */
9025 MakeRegisteredMove();
9027 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9028 commentList[currentMove]
9029 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9030 DisplayComment(currentMove - 1, commentList[currentMove]);
9036 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9041 int gameNumber = lastLoadGameNumber + offset;
9042 if (lastLoadGameFP == NULL) {
9043 DisplayError(_("No game has been loaded yet"), 0);
9046 if (gameNumber <= 0) {
9047 DisplayError(_("Can't back up any further"), 0);
9050 if (cmailMsgLoaded) {
9051 return CmailLoadGame(lastLoadGameFP, gameNumber,
9052 lastLoadGameTitle, lastLoadGameUseList);
9054 return LoadGame(lastLoadGameFP, gameNumber,
9055 lastLoadGameTitle, lastLoadGameUseList);
9061 /* Load the nth game from open file f */
9063 LoadGame(f, gameNumber, title, useList)
9071 int gn = gameNumber;
9072 ListGame *lg = NULL;
9075 GameMode oldGameMode;
9076 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9078 if (appData.debugMode)
9079 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9081 if (gameMode == Training )
9082 SetTrainingModeOff();
9084 oldGameMode = gameMode;
9085 if (gameMode != BeginningOfGame) {
9090 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9091 fclose(lastLoadGameFP);
9095 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9098 fseek(f, lg->offset, 0);
9099 GameListHighlight(gameNumber);
9103 DisplayError(_("Game number out of range"), 0);
9108 if (fseek(f, 0, 0) == -1) {
9109 if (f == lastLoadGameFP ?
9110 gameNumber == lastLoadGameNumber + 1 :
9114 DisplayError(_("Can't seek on game file"), 0);
9120 lastLoadGameNumber = gameNumber;
9121 strcpy(lastLoadGameTitle, title);
9122 lastLoadGameUseList = useList;
9126 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9127 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9128 lg->gameInfo.black);
9130 } else if (*title != NULLCHAR) {
9131 if (gameNumber > 1) {
9132 sprintf(buf, "%s %d", title, gameNumber);
9135 DisplayTitle(title);
9139 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9140 gameMode = PlayFromGameFile;
9144 currentMove = forwardMostMove = backwardMostMove = 0;
9145 CopyBoard(boards[0], initialPosition);
9149 * Skip the first gn-1 games in the file.
9150 * Also skip over anything that precedes an identifiable
9151 * start of game marker, to avoid being confused by
9152 * garbage at the start of the file. Currently
9153 * recognized start of game markers are the move number "1",
9154 * the pattern "gnuchess .* game", the pattern
9155 * "^[#;%] [^ ]* game file", and a PGN tag block.
9156 * A game that starts with one of the latter two patterns
9157 * will also have a move number 1, possibly
9158 * following a position diagram.
9159 * 5-4-02: Let's try being more lenient and allowing a game to
9160 * start with an unnumbered move. Does that break anything?
9162 cm = lastLoadGameStart = (ChessMove) 0;
9164 yyboardindex = forwardMostMove;
9165 cm = (ChessMove) yylex();
9168 if (cmailMsgLoaded) {
9169 nCmailGames = CMAIL_MAX_GAMES - gn;
9172 DisplayError(_("Game not found in file"), 0);
9179 lastLoadGameStart = cm;
9183 switch (lastLoadGameStart) {
9190 gn--; /* count this game */
9191 lastLoadGameStart = cm;
9200 switch (lastLoadGameStart) {
9205 gn--; /* count this game */
9206 lastLoadGameStart = cm;
9209 lastLoadGameStart = cm; /* game counted already */
9217 yyboardindex = forwardMostMove;
9218 cm = (ChessMove) yylex();
9219 } while (cm == PGNTag || cm == Comment);
9226 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9227 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9228 != CMAIL_OLD_RESULT) {
9230 cmailResult[ CMAIL_MAX_GAMES
9231 - gn - 1] = CMAIL_OLD_RESULT;
9237 /* Only a NormalMove can be at the start of a game
9238 * without a position diagram. */
9239 if (lastLoadGameStart == (ChessMove) 0) {
9241 lastLoadGameStart = MoveNumberOne;
9250 if (appData.debugMode)
9251 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9253 if (cm == XBoardGame) {
9254 /* Skip any header junk before position diagram and/or move 1 */
9256 yyboardindex = forwardMostMove;
9257 cm = (ChessMove) yylex();
9259 if (cm == (ChessMove) 0 ||
9260 cm == GNUChessGame || cm == XBoardGame) {
9261 /* Empty game; pretend end-of-file and handle later */
9266 if (cm == MoveNumberOne || cm == PositionDiagram ||
9267 cm == PGNTag || cm == Comment)
9270 } else if (cm == GNUChessGame) {
9271 if (gameInfo.event != NULL) {
9272 free(gameInfo.event);
9274 gameInfo.event = StrSave(yy_text);
9277 startedFromSetupPosition = FALSE;
9278 while (cm == PGNTag) {
9279 if (appData.debugMode)
9280 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9281 err = ParsePGNTag(yy_text, &gameInfo);
9282 if (!err) numPGNTags++;
9284 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9285 if(gameInfo.variant != oldVariant) {
9286 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9288 oldVariant = gameInfo.variant;
9289 if (appData.debugMode)
9290 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9294 if (gameInfo.fen != NULL) {
9295 Board initial_position;
9296 startedFromSetupPosition = TRUE;
9297 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9299 DisplayError(_("Bad FEN position in file"), 0);
9302 CopyBoard(boards[0], initial_position);
9303 if (blackPlaysFirst) {
9304 currentMove = forwardMostMove = backwardMostMove = 1;
9305 CopyBoard(boards[1], initial_position);
9306 strcpy(moveList[0], "");
9307 strcpy(parseList[0], "");
9308 timeRemaining[0][1] = whiteTimeRemaining;
9309 timeRemaining[1][1] = blackTimeRemaining;
9310 if (commentList[0] != NULL) {
9311 commentList[1] = commentList[0];
9312 commentList[0] = NULL;
9315 currentMove = forwardMostMove = backwardMostMove = 0;
9317 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9319 initialRulePlies = FENrulePlies;
9320 epStatus[forwardMostMove] = FENepStatus;
9321 for( i=0; i< nrCastlingRights; i++ )
9322 initialRights[i] = castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9324 yyboardindex = forwardMostMove;
9326 gameInfo.fen = NULL;
9329 yyboardindex = forwardMostMove;
9330 cm = (ChessMove) yylex();
9332 /* Handle comments interspersed among the tags */
9333 while (cm == Comment) {
9335 if (appData.debugMode)
9336 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9338 if (*p == '{' || *p == '[' || *p == '(') {
9339 p[strlen(p) - 1] = NULLCHAR;
9342 while (*p == '\n') p++;
9343 AppendComment(currentMove, p);
9344 yyboardindex = forwardMostMove;
9345 cm = (ChessMove) yylex();
9349 /* don't rely on existence of Event tag since if game was
9350 * pasted from clipboard the Event tag may not exist
9352 if (numPGNTags > 0){
9354 if (gameInfo.variant == VariantNormal) {
9355 gameInfo.variant = StringToVariant(gameInfo.event);
9358 if( appData.autoDisplayTags ) {
9359 tags = PGNTags(&gameInfo);
9360 TagsPopUp(tags, CmailMsg());
9365 /* Make something up, but don't display it now */
9370 if (cm == PositionDiagram) {
9373 Board initial_position;
9375 if (appData.debugMode)
9376 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9378 if (!startedFromSetupPosition) {
9380 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9381 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9391 initial_position[i][j++] = CharToPiece(*p);
9394 while (*p == ' ' || *p == '\t' ||
9395 *p == '\n' || *p == '\r') p++;
9397 if (strncmp(p, "black", strlen("black"))==0)
9398 blackPlaysFirst = TRUE;
9400 blackPlaysFirst = FALSE;
9401 startedFromSetupPosition = TRUE;
9403 CopyBoard(boards[0], initial_position);
9404 if (blackPlaysFirst) {
9405 currentMove = forwardMostMove = backwardMostMove = 1;
9406 CopyBoard(boards[1], initial_position);
9407 strcpy(moveList[0], "");
9408 strcpy(parseList[0], "");
9409 timeRemaining[0][1] = whiteTimeRemaining;
9410 timeRemaining[1][1] = blackTimeRemaining;
9411 if (commentList[0] != NULL) {
9412 commentList[1] = commentList[0];
9413 commentList[0] = NULL;
9416 currentMove = forwardMostMove = backwardMostMove = 0;
9419 yyboardindex = forwardMostMove;
9420 cm = (ChessMove) yylex();
9423 if (first.pr == NoProc) {
9424 StartChessProgram(&first);
9426 InitChessProgram(&first, FALSE);
9427 SendToProgram("force\n", &first);
9428 if (startedFromSetupPosition) {
9429 SendBoard(&first, forwardMostMove);
9430 if (appData.debugMode) {
9431 fprintf(debugFP, "Load Game\n");
9433 DisplayBothClocks();
9436 /* [HGM] server: flag to write setup moves in broadcast file as one */
9437 loadFlag = appData.suppressLoadMoves;
9439 while (cm == Comment) {
9441 if (appData.debugMode)
9442 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9444 if (*p == '{' || *p == '[' || *p == '(') {
9445 p[strlen(p) - 1] = NULLCHAR;
9448 while (*p == '\n') p++;
9449 AppendComment(currentMove, p);
9450 yyboardindex = forwardMostMove;
9451 cm = (ChessMove) yylex();
9454 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
9455 cm == WhiteWins || cm == BlackWins ||
9456 cm == GameIsDrawn || cm == GameUnfinished) {
9457 DisplayMessage("", _("No moves in game"));
9458 if (cmailMsgLoaded) {
9459 if (appData.debugMode)
9460 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
9464 DrawPosition(FALSE, boards[currentMove]);
9465 DisplayBothClocks();
9466 gameMode = EditGame;
9473 // [HGM] PV info: routine tests if comment empty
9474 if (!matchMode && (pausing || appData.timeDelay != 0)) {
9475 DisplayComment(currentMove - 1, commentList[currentMove]);
9477 if (!matchMode && appData.timeDelay != 0)
9478 DrawPosition(FALSE, boards[currentMove]);
9480 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
9481 programStats.ok_to_send = 1;
9484 /* if the first token after the PGN tags is a move
9485 * and not move number 1, retrieve it from the parser
9487 if (cm != MoveNumberOne)
9488 LoadGameOneMove(cm);
9490 /* load the remaining moves from the file */
9491 while (LoadGameOneMove((ChessMove)0)) {
9492 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9493 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9496 /* rewind to the start of the game */
9497 currentMove = backwardMostMove;
9499 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9501 if (oldGameMode == AnalyzeFile ||
9502 oldGameMode == AnalyzeMode) {
9506 if (matchMode || appData.timeDelay == 0) {
9508 gameMode = EditGame;
9510 } else if (appData.timeDelay > 0) {
9514 if (appData.debugMode)
9515 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
9517 loadFlag = 0; /* [HGM] true game starts */
9521 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
9523 ReloadPosition(offset)
9526 int positionNumber = lastLoadPositionNumber + offset;
9527 if (lastLoadPositionFP == NULL) {
9528 DisplayError(_("No position has been loaded yet"), 0);
9531 if (positionNumber <= 0) {
9532 DisplayError(_("Can't back up any further"), 0);
9535 return LoadPosition(lastLoadPositionFP, positionNumber,
9536 lastLoadPositionTitle);
9539 /* Load the nth position from the given file */
9541 LoadPositionFromFile(filename, n, title)
9549 if (strcmp(filename, "-") == 0) {
9550 return LoadPosition(stdin, n, "stdin");
9552 f = fopen(filename, "rb");
9554 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9555 DisplayError(buf, errno);
9558 return LoadPosition(f, n, title);
9563 /* Load the nth position from the given open file, and close it */
9565 LoadPosition(f, positionNumber, title)
9570 char *p, line[MSG_SIZ];
9571 Board initial_position;
9572 int i, j, fenMode, pn;
9574 if (gameMode == Training )
9575 SetTrainingModeOff();
9577 if (gameMode != BeginningOfGame) {
9580 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
9581 fclose(lastLoadPositionFP);
9583 if (positionNumber == 0) positionNumber = 1;
9584 lastLoadPositionFP = f;
9585 lastLoadPositionNumber = positionNumber;
9586 strcpy(lastLoadPositionTitle, title);
9587 if (first.pr == NoProc) {
9588 StartChessProgram(&first);
9589 InitChessProgram(&first, FALSE);
9591 pn = positionNumber;
9592 if (positionNumber < 0) {
9593 /* Negative position number means to seek to that byte offset */
9594 if (fseek(f, -positionNumber, 0) == -1) {
9595 DisplayError(_("Can't seek on position file"), 0);
9600 if (fseek(f, 0, 0) == -1) {
9601 if (f == lastLoadPositionFP ?
9602 positionNumber == lastLoadPositionNumber + 1 :
9603 positionNumber == 1) {
9606 DisplayError(_("Can't seek on position file"), 0);
9611 /* See if this file is FEN or old-style xboard */
9612 if (fgets(line, MSG_SIZ, f) == NULL) {
9613 DisplayError(_("Position not found in file"), 0);
9616 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
9617 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
9620 if (fenMode || line[0] == '#') pn--;
9622 /* skip positions before number pn */
9623 if (fgets(line, MSG_SIZ, f) == NULL) {
9625 DisplayError(_("Position not found in file"), 0);
9628 if (fenMode || line[0] == '#') pn--;
9633 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
9634 DisplayError(_("Bad FEN position in file"), 0);
9638 (void) fgets(line, MSG_SIZ, f);
9639 (void) fgets(line, MSG_SIZ, f);
9641 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
9642 (void) fgets(line, MSG_SIZ, f);
9643 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
9646 initial_position[i][j++] = CharToPiece(*p);
9650 blackPlaysFirst = FALSE;
9652 (void) fgets(line, MSG_SIZ, f);
9653 if (strncmp(line, "black", strlen("black"))==0)
9654 blackPlaysFirst = TRUE;
9657 startedFromSetupPosition = TRUE;
9659 SendToProgram("force\n", &first);
9660 CopyBoard(boards[0], initial_position);
9661 if (blackPlaysFirst) {
9662 currentMove = forwardMostMove = backwardMostMove = 1;
9663 strcpy(moveList[0], "");
9664 strcpy(parseList[0], "");
9665 CopyBoard(boards[1], initial_position);
9666 DisplayMessage("", _("Black to play"));
9668 currentMove = forwardMostMove = backwardMostMove = 0;
9669 DisplayMessage("", _("White to play"));
9671 /* [HGM] copy FEN attributes as well */
9673 initialRulePlies = FENrulePlies;
9674 epStatus[forwardMostMove] = FENepStatus;
9675 for( i=0; i< nrCastlingRights; i++ )
9676 castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9678 SendBoard(&first, forwardMostMove);
9679 if (appData.debugMode) {
9681 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", castlingRights[i][j]);fprintf(debugFP,"\n");}
9682 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
9683 fprintf(debugFP, "Load Position\n");
9686 if (positionNumber > 1) {
9687 sprintf(line, "%s %d", title, positionNumber);
9690 DisplayTitle(title);
9692 gameMode = EditGame;
9695 timeRemaining[0][1] = whiteTimeRemaining;
9696 timeRemaining[1][1] = blackTimeRemaining;
9697 DrawPosition(FALSE, boards[currentMove]);
9704 CopyPlayerNameIntoFileName(dest, src)
9707 while (*src != NULLCHAR && *src != ',') {
9712 *(*dest)++ = *src++;
9717 char *DefaultFileName(ext)
9720 static char def[MSG_SIZ];
9723 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
9725 CopyPlayerNameIntoFileName(&p, gameInfo.white);
9727 CopyPlayerNameIntoFileName(&p, gameInfo.black);
9736 /* Save the current game to the given file */
9738 SaveGameToFile(filename, append)
9745 if (strcmp(filename, "-") == 0) {
9746 return SaveGame(stdout, 0, NULL);
9748 f = fopen(filename, append ? "a" : "w");
9750 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9751 DisplayError(buf, errno);
9754 return SaveGame(f, 0, NULL);
9763 static char buf[MSG_SIZ];
9766 p = strchr(str, ' ');
9767 if (p == NULL) return str;
9768 strncpy(buf, str, p - str);
9769 buf[p - str] = NULLCHAR;
9773 #define PGN_MAX_LINE 75
9775 #define PGN_SIDE_WHITE 0
9776 #define PGN_SIDE_BLACK 1
9779 static int FindFirstMoveOutOfBook( int side )
9783 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
9784 int index = backwardMostMove;
9785 int has_book_hit = 0;
9787 if( (index % 2) != side ) {
9791 while( index < forwardMostMove ) {
9792 /* Check to see if engine is in book */
9793 int depth = pvInfoList[index].depth;
9794 int score = pvInfoList[index].score;
9800 else if( score == 0 && depth == 63 ) {
9801 in_book = 1; /* Zappa */
9803 else if( score == 2 && depth == 99 ) {
9804 in_book = 1; /* Abrok */
9807 has_book_hit += in_book;
9823 void GetOutOfBookInfo( char * buf )
9827 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9829 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
9830 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
9834 if( oob[0] >= 0 || oob[1] >= 0 ) {
9835 for( i=0; i<2; i++ ) {
9839 if( i > 0 && oob[0] >= 0 ) {
9843 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
9844 sprintf( buf+strlen(buf), "%s%.2f",
9845 pvInfoList[idx].score >= 0 ? "+" : "",
9846 pvInfoList[idx].score / 100.0 );
9852 /* Save game in PGN style and close the file */
9857 int i, offset, linelen, newblock;
9861 int movelen, numlen, blank;
9862 char move_buffer[100]; /* [AS] Buffer for move+PV info */
9864 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9866 tm = time((time_t *) NULL);
9868 PrintPGNTags(f, &gameInfo);
9870 if (backwardMostMove > 0 || startedFromSetupPosition) {
9871 char *fen = PositionToFEN(backwardMostMove, NULL);
9872 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
9873 fprintf(f, "\n{--------------\n");
9874 PrintPosition(f, backwardMostMove);
9875 fprintf(f, "--------------}\n");
9879 /* [AS] Out of book annotation */
9880 if( appData.saveOutOfBookInfo ) {
9883 GetOutOfBookInfo( buf );
9885 if( buf[0] != '\0' ) {
9886 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
9893 i = backwardMostMove;
9897 while (i < forwardMostMove) {
9898 /* Print comments preceding this move */
9899 if (commentList[i] != NULL) {
9900 if (linelen > 0) fprintf(f, "\n");
9901 fprintf(f, "{\n%s}\n", commentList[i]);
9906 /* Format move number */
9908 sprintf(numtext, "%d.", (i - offset)/2 + 1);
9911 sprintf(numtext, "%d...", (i - offset)/2 + 1);
9913 numtext[0] = NULLCHAR;
9916 numlen = strlen(numtext);
9919 /* Print move number */
9920 blank = linelen > 0 && numlen > 0;
9921 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
9930 fprintf(f, "%s", numtext);
9934 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
9935 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
9938 blank = linelen > 0 && movelen > 0;
9939 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9948 fprintf(f, "%s", move_buffer);
9951 /* [AS] Add PV info if present */
9952 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
9953 /* [HGM] add time */
9954 char buf[MSG_SIZ]; int seconds = 0;
9956 if(i >= backwardMostMove) {
9958 seconds = timeRemaining[0][i] - timeRemaining[0][i+1]
9959 + GetTimeQuota(i/2) / (1000*WhitePlayer()->timeOdds);
9961 seconds = timeRemaining[1][i] - timeRemaining[1][i+1]
9962 + GetTimeQuota(i/2) / (1000*WhitePlayer()->other->timeOdds);
9964 seconds = (seconds+50)/100; // deci-seconds, rounded to nearest
9966 if( seconds <= 0) buf[0] = 0; else
9967 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
9968 seconds = (seconds + 4)/10; // round to full seconds
9969 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
9970 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
9973 sprintf( move_buffer, "{%s%.2f/%d%s}",
9974 pvInfoList[i].score >= 0 ? "+" : "",
9975 pvInfoList[i].score / 100.0,
9976 pvInfoList[i].depth,
9979 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
9981 /* Print score/depth */
9982 blank = linelen > 0 && movelen > 0;
9983 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9992 fprintf(f, "%s", move_buffer);
9999 /* Start a new line */
10000 if (linelen > 0) fprintf(f, "\n");
10002 /* Print comments after last move */
10003 if (commentList[i] != NULL) {
10004 fprintf(f, "{\n%s}\n", commentList[i]);
10008 if (gameInfo.resultDetails != NULL &&
10009 gameInfo.resultDetails[0] != NULLCHAR) {
10010 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10011 PGNResult(gameInfo.result));
10013 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10017 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10021 /* Save game in old style and close the file */
10023 SaveGameOldStyle(f)
10029 tm = time((time_t *) NULL);
10031 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10034 if (backwardMostMove > 0 || startedFromSetupPosition) {
10035 fprintf(f, "\n[--------------\n");
10036 PrintPosition(f, backwardMostMove);
10037 fprintf(f, "--------------]\n");
10042 i = backwardMostMove;
10043 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10045 while (i < forwardMostMove) {
10046 if (commentList[i] != NULL) {
10047 fprintf(f, "[%s]\n", commentList[i]);
10050 if ((i % 2) == 1) {
10051 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10054 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10056 if (commentList[i] != NULL) {
10060 if (i >= forwardMostMove) {
10064 fprintf(f, "%s\n", parseList[i]);
10069 if (commentList[i] != NULL) {
10070 fprintf(f, "[%s]\n", commentList[i]);
10073 /* This isn't really the old style, but it's close enough */
10074 if (gameInfo.resultDetails != NULL &&
10075 gameInfo.resultDetails[0] != NULLCHAR) {
10076 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10077 gameInfo.resultDetails);
10079 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10086 /* Save the current game to open file f and close the file */
10088 SaveGame(f, dummy, dummy2)
10093 if (gameMode == EditPosition) EditPositionDone();
10094 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10095 if (appData.oldSaveStyle)
10096 return SaveGameOldStyle(f);
10098 return SaveGamePGN(f);
10101 /* Save the current position to the given file */
10103 SavePositionToFile(filename)
10109 if (strcmp(filename, "-") == 0) {
10110 return SavePosition(stdout, 0, NULL);
10112 f = fopen(filename, "a");
10114 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10115 DisplayError(buf, errno);
10118 SavePosition(f, 0, NULL);
10124 /* Save the current position to the given open file and close the file */
10126 SavePosition(f, dummy, dummy2)
10134 if (appData.oldSaveStyle) {
10135 tm = time((time_t *) NULL);
10137 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10139 fprintf(f, "[--------------\n");
10140 PrintPosition(f, currentMove);
10141 fprintf(f, "--------------]\n");
10143 fen = PositionToFEN(currentMove, NULL);
10144 fprintf(f, "%s\n", fen);
10152 ReloadCmailMsgEvent(unregister)
10156 static char *inFilename = NULL;
10157 static char *outFilename;
10159 struct stat inbuf, outbuf;
10162 /* Any registered moves are unregistered if unregister is set, */
10163 /* i.e. invoked by the signal handler */
10165 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10166 cmailMoveRegistered[i] = FALSE;
10167 if (cmailCommentList[i] != NULL) {
10168 free(cmailCommentList[i]);
10169 cmailCommentList[i] = NULL;
10172 nCmailMovesRegistered = 0;
10175 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10176 cmailResult[i] = CMAIL_NOT_RESULT;
10180 if (inFilename == NULL) {
10181 /* Because the filenames are static they only get malloced once */
10182 /* and they never get freed */
10183 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10184 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10186 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10187 sprintf(outFilename, "%s.out", appData.cmailGameName);
10190 status = stat(outFilename, &outbuf);
10192 cmailMailedMove = FALSE;
10194 status = stat(inFilename, &inbuf);
10195 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10198 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10199 counts the games, notes how each one terminated, etc.
10201 It would be nice to remove this kludge and instead gather all
10202 the information while building the game list. (And to keep it
10203 in the game list nodes instead of having a bunch of fixed-size
10204 parallel arrays.) Note this will require getting each game's
10205 termination from the PGN tags, as the game list builder does
10206 not process the game moves. --mann
10208 cmailMsgLoaded = TRUE;
10209 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10211 /* Load first game in the file or popup game menu */
10212 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10214 #endif /* !WIN32 */
10222 char string[MSG_SIZ];
10224 if ( cmailMailedMove
10225 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10226 return TRUE; /* Allow free viewing */
10229 /* Unregister move to ensure that we don't leave RegisterMove */
10230 /* with the move registered when the conditions for registering no */
10232 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10233 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10234 nCmailMovesRegistered --;
10236 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10238 free(cmailCommentList[lastLoadGameNumber - 1]);
10239 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10243 if (cmailOldMove == -1) {
10244 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10248 if (currentMove > cmailOldMove + 1) {
10249 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10253 if (currentMove < cmailOldMove) {
10254 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10258 if (forwardMostMove > currentMove) {
10259 /* Silently truncate extra moves */
10263 if ( (currentMove == cmailOldMove + 1)
10264 || ( (currentMove == cmailOldMove)
10265 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10266 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10267 if (gameInfo.result != GameUnfinished) {
10268 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10271 if (commentList[currentMove] != NULL) {
10272 cmailCommentList[lastLoadGameNumber - 1]
10273 = StrSave(commentList[currentMove]);
10275 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10277 if (appData.debugMode)
10278 fprintf(debugFP, "Saving %s for game %d\n",
10279 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10282 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10284 f = fopen(string, "w");
10285 if (appData.oldSaveStyle) {
10286 SaveGameOldStyle(f); /* also closes the file */
10288 sprintf(string, "%s.pos.out", appData.cmailGameName);
10289 f = fopen(string, "w");
10290 SavePosition(f, 0, NULL); /* also closes the file */
10292 fprintf(f, "{--------------\n");
10293 PrintPosition(f, currentMove);
10294 fprintf(f, "--------------}\n\n");
10296 SaveGame(f, 0, NULL); /* also closes the file*/
10299 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10300 nCmailMovesRegistered ++;
10301 } else if (nCmailGames == 1) {
10302 DisplayError(_("You have not made a move yet"), 0);
10313 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10314 FILE *commandOutput;
10315 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10316 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10322 if (! cmailMsgLoaded) {
10323 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10327 if (nCmailGames == nCmailResults) {
10328 DisplayError(_("No unfinished games"), 0);
10332 #if CMAIL_PROHIBIT_REMAIL
10333 if (cmailMailedMove) {
10334 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);
10335 DisplayError(msg, 0);
10340 if (! (cmailMailedMove || RegisterMove())) return;
10342 if ( cmailMailedMove
10343 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10344 sprintf(string, partCommandString,
10345 appData.debugMode ? " -v" : "", appData.cmailGameName);
10346 commandOutput = popen(string, "r");
10348 if (commandOutput == NULL) {
10349 DisplayError(_("Failed to invoke cmail"), 0);
10351 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10352 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10354 if (nBuffers > 1) {
10355 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10356 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10357 nBytes = MSG_SIZ - 1;
10359 (void) memcpy(msg, buffer, nBytes);
10361 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10363 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10364 cmailMailedMove = TRUE; /* Prevent >1 moves */
10367 for (i = 0; i < nCmailGames; i ++) {
10368 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10373 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10375 sprintf(buffer, "%s/%s.%s.archive",
10377 appData.cmailGameName,
10379 LoadGameFromFile(buffer, 1, buffer, FALSE);
10380 cmailMsgLoaded = FALSE;
10384 DisplayInformation(msg);
10385 pclose(commandOutput);
10388 if ((*cmailMsg) != '\0') {
10389 DisplayInformation(cmailMsg);
10394 #endif /* !WIN32 */
10403 int prependComma = 0;
10405 char string[MSG_SIZ]; /* Space for game-list */
10408 if (!cmailMsgLoaded) return "";
10410 if (cmailMailedMove) {
10411 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10413 /* Create a list of games left */
10414 sprintf(string, "[");
10415 for (i = 0; i < nCmailGames; i ++) {
10416 if (! ( cmailMoveRegistered[i]
10417 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10418 if (prependComma) {
10419 sprintf(number, ",%d", i + 1);
10421 sprintf(number, "%d", i + 1);
10425 strcat(string, number);
10428 strcat(string, "]");
10430 if (nCmailMovesRegistered + nCmailResults == 0) {
10431 switch (nCmailGames) {
10434 _("Still need to make move for game\n"));
10439 _("Still need to make moves for both games\n"));
10444 _("Still need to make moves for all %d games\n"),
10449 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10452 _("Still need to make a move for game %s\n"),
10457 if (nCmailResults == nCmailGames) {
10458 sprintf(cmailMsg, _("No unfinished games\n"));
10460 sprintf(cmailMsg, _("Ready to send mail\n"));
10466 _("Still need to make moves for games %s\n"),
10478 if (gameMode == Training)
10479 SetTrainingModeOff();
10482 cmailMsgLoaded = FALSE;
10483 if (appData.icsActive) {
10484 SendToICS(ics_prefix);
10485 SendToICS("refresh\n");
10495 /* Give up on clean exit */
10499 /* Keep trying for clean exit */
10503 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
10505 if (telnetISR != NULL) {
10506 RemoveInputSource(telnetISR);
10508 if (icsPR != NoProc) {
10509 DestroyChildProcess(icsPR, TRUE);
10512 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
10513 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
10515 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
10516 /* make sure this other one finishes before killing it! */
10517 if(endingGame) { int count = 0;
10518 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
10519 while(endingGame && count++ < 10) DoSleep(1);
10520 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
10523 /* Kill off chess programs */
10524 if (first.pr != NoProc) {
10527 DoSleep( appData.delayBeforeQuit );
10528 SendToProgram("quit\n", &first);
10529 DoSleep( appData.delayAfterQuit );
10530 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
10532 if (second.pr != NoProc) {
10533 DoSleep( appData.delayBeforeQuit );
10534 SendToProgram("quit\n", &second);
10535 DoSleep( appData.delayAfterQuit );
10536 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
10538 if (first.isr != NULL) {
10539 RemoveInputSource(first.isr);
10541 if (second.isr != NULL) {
10542 RemoveInputSource(second.isr);
10545 ShutDownFrontEnd();
10552 if (appData.debugMode)
10553 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
10557 if (gameMode == MachinePlaysWhite ||
10558 gameMode == MachinePlaysBlack) {
10561 DisplayBothClocks();
10563 if (gameMode == PlayFromGameFile) {
10564 if (appData.timeDelay >= 0)
10565 AutoPlayGameLoop();
10566 } else if (gameMode == IcsExamining && pauseExamInvalid) {
10567 Reset(FALSE, TRUE);
10568 SendToICS(ics_prefix);
10569 SendToICS("refresh\n");
10570 } else if (currentMove < forwardMostMove) {
10571 ForwardInner(forwardMostMove);
10573 pauseExamInvalid = FALSE;
10575 switch (gameMode) {
10579 pauseExamForwardMostMove = forwardMostMove;
10580 pauseExamInvalid = FALSE;
10583 case IcsPlayingWhite:
10584 case IcsPlayingBlack:
10588 case PlayFromGameFile:
10589 (void) StopLoadGameTimer();
10593 case BeginningOfGame:
10594 if (appData.icsActive) return;
10595 /* else fall through */
10596 case MachinePlaysWhite:
10597 case MachinePlaysBlack:
10598 case TwoMachinesPlay:
10599 if (forwardMostMove == 0)
10600 return; /* don't pause if no one has moved */
10601 if ((gameMode == MachinePlaysWhite &&
10602 !WhiteOnMove(forwardMostMove)) ||
10603 (gameMode == MachinePlaysBlack &&
10604 WhiteOnMove(forwardMostMove))) {
10617 char title[MSG_SIZ];
10619 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
10620 strcpy(title, _("Edit comment"));
10622 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
10623 WhiteOnMove(currentMove - 1) ? " " : ".. ",
10624 parseList[currentMove - 1]);
10627 EditCommentPopUp(currentMove, title, commentList[currentMove]);
10634 char *tags = PGNTags(&gameInfo);
10635 EditTagsPopUp(tags);
10642 if (appData.noChessProgram || gameMode == AnalyzeMode)
10645 if (gameMode != AnalyzeFile) {
10646 if (!appData.icsEngineAnalyze) {
10648 if (gameMode != EditGame) return;
10650 ResurrectChessProgram();
10651 SendToProgram("analyze\n", &first);
10652 first.analyzing = TRUE;
10653 /*first.maybeThinking = TRUE;*/
10654 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10655 EngineOutputPopUp();
10657 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
10662 StartAnalysisClock();
10663 GetTimeMark(&lastNodeCountTime);
10670 if (appData.noChessProgram || gameMode == AnalyzeFile)
10673 if (gameMode != AnalyzeMode) {
10675 if (gameMode != EditGame) return;
10676 ResurrectChessProgram();
10677 SendToProgram("analyze\n", &first);
10678 first.analyzing = TRUE;
10679 /*first.maybeThinking = TRUE;*/
10680 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10681 EngineOutputPopUp();
10683 gameMode = AnalyzeFile;
10688 StartAnalysisClock();
10689 GetTimeMark(&lastNodeCountTime);
10694 MachineWhiteEvent()
10697 char *bookHit = NULL;
10699 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
10703 if (gameMode == PlayFromGameFile ||
10704 gameMode == TwoMachinesPlay ||
10705 gameMode == Training ||
10706 gameMode == AnalyzeMode ||
10707 gameMode == EndOfGame)
10710 if (gameMode == EditPosition)
10711 EditPositionDone();
10713 if (!WhiteOnMove(currentMove)) {
10714 DisplayError(_("It is not White's turn"), 0);
10718 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10721 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10722 gameMode == AnalyzeFile)
10725 ResurrectChessProgram(); /* in case it isn't running */
10726 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
10727 gameMode = MachinePlaysWhite;
10730 gameMode = MachinePlaysWhite;
10734 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10736 if (first.sendName) {
10737 sprintf(buf, "name %s\n", gameInfo.black);
10738 SendToProgram(buf, &first);
10740 if (first.sendTime) {
10741 if (first.useColors) {
10742 SendToProgram("black\n", &first); /*gnu kludge*/
10744 SendTimeRemaining(&first, TRUE);
10746 if (first.useColors) {
10747 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
10749 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10750 SetMachineThinkingEnables();
10751 first.maybeThinking = TRUE;
10755 if (appData.autoFlipView && !flipView) {
10756 flipView = !flipView;
10757 DrawPosition(FALSE, NULL);
10758 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10761 if(bookHit) { // [HGM] book: simulate book reply
10762 static char bookMove[MSG_SIZ]; // a bit generous?
10764 programStats.nodes = programStats.depth = programStats.time =
10765 programStats.score = programStats.got_only_move = 0;
10766 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10768 strcpy(bookMove, "move ");
10769 strcat(bookMove, bookHit);
10770 HandleMachineMove(bookMove, &first);
10775 MachineBlackEvent()
10778 char *bookHit = NULL;
10780 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
10784 if (gameMode == PlayFromGameFile ||
10785 gameMode == TwoMachinesPlay ||
10786 gameMode == Training ||
10787 gameMode == AnalyzeMode ||
10788 gameMode == EndOfGame)
10791 if (gameMode == EditPosition)
10792 EditPositionDone();
10794 if (WhiteOnMove(currentMove)) {
10795 DisplayError(_("It is not Black's turn"), 0);
10799 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10802 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10803 gameMode == AnalyzeFile)
10806 ResurrectChessProgram(); /* in case it isn't running */
10807 gameMode = MachinePlaysBlack;
10811 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10813 if (first.sendName) {
10814 sprintf(buf, "name %s\n", gameInfo.white);
10815 SendToProgram(buf, &first);
10817 if (first.sendTime) {
10818 if (first.useColors) {
10819 SendToProgram("white\n", &first); /*gnu kludge*/
10821 SendTimeRemaining(&first, FALSE);
10823 if (first.useColors) {
10824 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
10826 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10827 SetMachineThinkingEnables();
10828 first.maybeThinking = TRUE;
10831 if (appData.autoFlipView && flipView) {
10832 flipView = !flipView;
10833 DrawPosition(FALSE, NULL);
10834 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10836 if(bookHit) { // [HGM] book: simulate book reply
10837 static char bookMove[MSG_SIZ]; // a bit generous?
10839 programStats.nodes = programStats.depth = programStats.time =
10840 programStats.score = programStats.got_only_move = 0;
10841 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10843 strcpy(bookMove, "move ");
10844 strcat(bookMove, bookHit);
10845 HandleMachineMove(bookMove, &first);
10851 DisplayTwoMachinesTitle()
10854 if (appData.matchGames > 0) {
10855 if (first.twoMachinesColor[0] == 'w') {
10856 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10857 gameInfo.white, gameInfo.black,
10858 first.matchWins, second.matchWins,
10859 matchGame - 1 - (first.matchWins + second.matchWins));
10861 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10862 gameInfo.white, gameInfo.black,
10863 second.matchWins, first.matchWins,
10864 matchGame - 1 - (first.matchWins + second.matchWins));
10867 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10873 TwoMachinesEvent P((void))
10877 ChessProgramState *onmove;
10878 char *bookHit = NULL;
10880 if (appData.noChessProgram) return;
10882 switch (gameMode) {
10883 case TwoMachinesPlay:
10885 case MachinePlaysWhite:
10886 case MachinePlaysBlack:
10887 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
10888 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
10892 case BeginningOfGame:
10893 case PlayFromGameFile:
10896 if (gameMode != EditGame) return;
10899 EditPositionDone();
10910 forwardMostMove = currentMove;
10911 ResurrectChessProgram(); /* in case first program isn't running */
10913 if (second.pr == NULL) {
10914 StartChessProgram(&second);
10915 if (second.protocolVersion == 1) {
10916 TwoMachinesEventIfReady();
10918 /* kludge: allow timeout for initial "feature" command */
10920 DisplayMessage("", _("Starting second chess program"));
10921 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
10925 DisplayMessage("", "");
10926 InitChessProgram(&second, FALSE);
10927 SendToProgram("force\n", &second);
10928 if (startedFromSetupPosition) {
10929 SendBoard(&second, backwardMostMove);
10930 if (appData.debugMode) {
10931 fprintf(debugFP, "Two Machines\n");
10934 for (i = backwardMostMove; i < forwardMostMove; i++) {
10935 SendMoveToProgram(i, &second);
10938 gameMode = TwoMachinesPlay;
10942 DisplayTwoMachinesTitle();
10944 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
10950 SendToProgram(first.computerString, &first);
10951 if (first.sendName) {
10952 sprintf(buf, "name %s\n", second.tidy);
10953 SendToProgram(buf, &first);
10955 SendToProgram(second.computerString, &second);
10956 if (second.sendName) {
10957 sprintf(buf, "name %s\n", first.tidy);
10958 SendToProgram(buf, &second);
10962 if (!first.sendTime || !second.sendTime) {
10963 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10964 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10966 if (onmove->sendTime) {
10967 if (onmove->useColors) {
10968 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
10970 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
10972 if (onmove->useColors) {
10973 SendToProgram(onmove->twoMachinesColor, onmove);
10975 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
10976 // SendToProgram("go\n", onmove);
10977 onmove->maybeThinking = TRUE;
10978 SetMachineThinkingEnables();
10982 if(bookHit) { // [HGM] book: simulate book reply
10983 static char bookMove[MSG_SIZ]; // a bit generous?
10985 programStats.nodes = programStats.depth = programStats.time =
10986 programStats.score = programStats.got_only_move = 0;
10987 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10989 strcpy(bookMove, "move ");
10990 strcat(bookMove, bookHit);
10991 savedMessage = bookMove; // args for deferred call
10992 savedState = onmove;
10993 ScheduleDelayedEvent(DeferredBookMove, 1);
11000 if (gameMode == Training) {
11001 SetTrainingModeOff();
11002 gameMode = PlayFromGameFile;
11003 DisplayMessage("", _("Training mode off"));
11005 gameMode = Training;
11006 animateTraining = appData.animate;
11008 /* make sure we are not already at the end of the game */
11009 if (currentMove < forwardMostMove) {
11010 SetTrainingModeOn();
11011 DisplayMessage("", _("Training mode on"));
11013 gameMode = PlayFromGameFile;
11014 DisplayError(_("Already at end of game"), 0);
11023 if (!appData.icsActive) return;
11024 switch (gameMode) {
11025 case IcsPlayingWhite:
11026 case IcsPlayingBlack:
11029 case BeginningOfGame:
11037 EditPositionDone();
11050 gameMode = IcsIdle;
11061 switch (gameMode) {
11063 SetTrainingModeOff();
11065 case MachinePlaysWhite:
11066 case MachinePlaysBlack:
11067 case BeginningOfGame:
11068 SendToProgram("force\n", &first);
11069 SetUserThinkingEnables();
11071 case PlayFromGameFile:
11072 (void) StopLoadGameTimer();
11073 if (gameFileFP != NULL) {
11078 EditPositionDone();
11083 SendToProgram("force\n", &first);
11085 case TwoMachinesPlay:
11086 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11087 ResurrectChessProgram();
11088 SetUserThinkingEnables();
11091 ResurrectChessProgram();
11093 case IcsPlayingBlack:
11094 case IcsPlayingWhite:
11095 DisplayError(_("Warning: You are still playing a game"), 0);
11098 DisplayError(_("Warning: You are still observing a game"), 0);
11101 DisplayError(_("Warning: You are still examining a game"), 0);
11112 first.offeredDraw = second.offeredDraw = 0;
11114 if (gameMode == PlayFromGameFile) {
11115 whiteTimeRemaining = timeRemaining[0][currentMove];
11116 blackTimeRemaining = timeRemaining[1][currentMove];
11120 if (gameMode == MachinePlaysWhite ||
11121 gameMode == MachinePlaysBlack ||
11122 gameMode == TwoMachinesPlay ||
11123 gameMode == EndOfGame) {
11124 i = forwardMostMove;
11125 while (i > currentMove) {
11126 SendToProgram("undo\n", &first);
11129 whiteTimeRemaining = timeRemaining[0][currentMove];
11130 blackTimeRemaining = timeRemaining[1][currentMove];
11131 DisplayBothClocks();
11132 if (whiteFlag || blackFlag) {
11133 whiteFlag = blackFlag = 0;
11138 gameMode = EditGame;
11145 EditPositionEvent()
11147 if (gameMode == EditPosition) {
11153 if (gameMode != EditGame) return;
11155 gameMode = EditPosition;
11158 if (currentMove > 0)
11159 CopyBoard(boards[0], boards[currentMove]);
11161 blackPlaysFirst = !WhiteOnMove(currentMove);
11163 currentMove = forwardMostMove = backwardMostMove = 0;
11164 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11171 /* [DM] icsEngineAnalyze - possible call from other functions */
11172 if (appData.icsEngineAnalyze) {
11173 appData.icsEngineAnalyze = FALSE;
11175 DisplayMessage("",_("Close ICS engine analyze..."));
11177 if (first.analysisSupport && first.analyzing) {
11178 SendToProgram("exit\n", &first);
11179 first.analyzing = FALSE;
11181 thinkOutput[0] = NULLCHAR;
11187 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11189 startedFromSetupPosition = TRUE;
11190 InitChessProgram(&first, FALSE);
11191 castlingRights[0][2] = castlingRights[0][5] = BOARD_WIDTH>>1;
11192 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11193 castlingRights[0][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : -1;
11194 castlingRights[0][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : -1;
11195 } else castlingRights[0][2] = -1;
11196 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11197 castlingRights[0][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : -1;
11198 castlingRights[0][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : -1;
11199 } else castlingRights[0][5] = -1;
11200 SendToProgram("force\n", &first);
11201 if (blackPlaysFirst) {
11202 strcpy(moveList[0], "");
11203 strcpy(parseList[0], "");
11204 currentMove = forwardMostMove = backwardMostMove = 1;
11205 CopyBoard(boards[1], boards[0]);
11206 /* [HGM] copy rights as well, as this code is also used after pasting a FEN */
11208 epStatus[1] = epStatus[0];
11209 for(i=0; i<nrCastlingRights; i++) castlingRights[1][i] = castlingRights[0][i];
11212 currentMove = forwardMostMove = backwardMostMove = 0;
11214 SendBoard(&first, forwardMostMove);
11215 if (appData.debugMode) {
11216 fprintf(debugFP, "EditPosDone\n");
11219 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11220 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11221 gameMode = EditGame;
11223 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11224 ClearHighlights(); /* [AS] */
11227 /* Pause for `ms' milliseconds */
11228 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11238 } while (SubtractTimeMarks(&m2, &m1) < ms);
11241 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11243 SendMultiLineToICS(buf)
11246 char temp[MSG_SIZ+1], *p;
11253 strncpy(temp, buf, len);
11258 if (*p == '\n' || *p == '\r')
11263 strcat(temp, "\n");
11265 SendToPlayer(temp, strlen(temp));
11269 SetWhiteToPlayEvent()
11271 if (gameMode == EditPosition) {
11272 blackPlaysFirst = FALSE;
11273 DisplayBothClocks(); /* works because currentMove is 0 */
11274 } else if (gameMode == IcsExamining) {
11275 SendToICS(ics_prefix);
11276 SendToICS("tomove white\n");
11281 SetBlackToPlayEvent()
11283 if (gameMode == EditPosition) {
11284 blackPlaysFirst = TRUE;
11285 currentMove = 1; /* kludge */
11286 DisplayBothClocks();
11288 } else if (gameMode == IcsExamining) {
11289 SendToICS(ics_prefix);
11290 SendToICS("tomove black\n");
11295 EditPositionMenuEvent(selection, x, y)
11296 ChessSquare selection;
11300 ChessSquare piece = boards[0][y][x];
11302 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11304 switch (selection) {
11306 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11307 SendToICS(ics_prefix);
11308 SendToICS("bsetup clear\n");
11309 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11310 SendToICS(ics_prefix);
11311 SendToICS("clearboard\n");
11313 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11314 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11315 for (y = 0; y < BOARD_HEIGHT; y++) {
11316 if (gameMode == IcsExamining) {
11317 if (boards[currentMove][y][x] != EmptySquare) {
11318 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11323 boards[0][y][x] = p;
11328 if (gameMode == EditPosition) {
11329 DrawPosition(FALSE, boards[0]);
11334 SetWhiteToPlayEvent();
11338 SetBlackToPlayEvent();
11342 if (gameMode == IcsExamining) {
11343 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11346 boards[0][y][x] = EmptySquare;
11347 DrawPosition(FALSE, boards[0]);
11352 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11353 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11354 selection = (ChessSquare) (PROMOTED piece);
11355 } else if(piece == EmptySquare) selection = WhiteSilver;
11356 else selection = (ChessSquare)((int)piece - 1);
11360 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11361 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11362 selection = (ChessSquare) (DEMOTED piece);
11363 } else if(piece == EmptySquare) selection = BlackSilver;
11364 else selection = (ChessSquare)((int)piece + 1);
11369 if(gameInfo.variant == VariantShatranj ||
11370 gameInfo.variant == VariantXiangqi ||
11371 gameInfo.variant == VariantCourier )
11372 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11377 if(gameInfo.variant == VariantXiangqi)
11378 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11379 if(gameInfo.variant == VariantKnightmate)
11380 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11383 if (gameMode == IcsExamining) {
11384 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11385 PieceToChar(selection), AAA + x, ONE + y);
11388 boards[0][y][x] = selection;
11389 DrawPosition(FALSE, boards[0]);
11397 DropMenuEvent(selection, x, y)
11398 ChessSquare selection;
11401 ChessMove moveType;
11403 switch (gameMode) {
11404 case IcsPlayingWhite:
11405 case MachinePlaysBlack:
11406 if (!WhiteOnMove(currentMove)) {
11407 DisplayMoveError(_("It is Black's turn"));
11410 moveType = WhiteDrop;
11412 case IcsPlayingBlack:
11413 case MachinePlaysWhite:
11414 if (WhiteOnMove(currentMove)) {
11415 DisplayMoveError(_("It is White's turn"));
11418 moveType = BlackDrop;
11421 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
11427 if (moveType == BlackDrop && selection < BlackPawn) {
11428 selection = (ChessSquare) ((int) selection
11429 + (int) BlackPawn - (int) WhitePawn);
11431 if (boards[currentMove][y][x] != EmptySquare) {
11432 DisplayMoveError(_("That square is occupied"));
11436 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
11442 /* Accept a pending offer of any kind from opponent */
11444 if (appData.icsActive) {
11445 SendToICS(ics_prefix);
11446 SendToICS("accept\n");
11447 } else if (cmailMsgLoaded) {
11448 if (currentMove == cmailOldMove &&
11449 commentList[cmailOldMove] != NULL &&
11450 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11451 "Black offers a draw" : "White offers a draw")) {
11453 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11454 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11456 DisplayError(_("There is no pending offer on this move"), 0);
11457 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11460 /* Not used for offers from chess program */
11467 /* Decline a pending offer of any kind from opponent */
11469 if (appData.icsActive) {
11470 SendToICS(ics_prefix);
11471 SendToICS("decline\n");
11472 } else if (cmailMsgLoaded) {
11473 if (currentMove == cmailOldMove &&
11474 commentList[cmailOldMove] != NULL &&
11475 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11476 "Black offers a draw" : "White offers a draw")) {
11478 AppendComment(cmailOldMove, "Draw declined");
11479 DisplayComment(cmailOldMove - 1, "Draw declined");
11482 DisplayError(_("There is no pending offer on this move"), 0);
11485 /* Not used for offers from chess program */
11492 /* Issue ICS rematch command */
11493 if (appData.icsActive) {
11494 SendToICS(ics_prefix);
11495 SendToICS("rematch\n");
11502 /* Call your opponent's flag (claim a win on time) */
11503 if (appData.icsActive) {
11504 SendToICS(ics_prefix);
11505 SendToICS("flag\n");
11507 switch (gameMode) {
11510 case MachinePlaysWhite:
11513 GameEnds(GameIsDrawn, "Both players ran out of time",
11516 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
11518 DisplayError(_("Your opponent is not out of time"), 0);
11521 case MachinePlaysBlack:
11524 GameEnds(GameIsDrawn, "Both players ran out of time",
11527 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
11529 DisplayError(_("Your opponent is not out of time"), 0);
11539 /* Offer draw or accept pending draw offer from opponent */
11541 if (appData.icsActive) {
11542 /* Note: tournament rules require draw offers to be
11543 made after you make your move but before you punch
11544 your clock. Currently ICS doesn't let you do that;
11545 instead, you immediately punch your clock after making
11546 a move, but you can offer a draw at any time. */
11548 SendToICS(ics_prefix);
11549 SendToICS("draw\n");
11550 } else if (cmailMsgLoaded) {
11551 if (currentMove == cmailOldMove &&
11552 commentList[cmailOldMove] != NULL &&
11553 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11554 "Black offers a draw" : "White offers a draw")) {
11555 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11556 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11557 } else if (currentMove == cmailOldMove + 1) {
11558 char *offer = WhiteOnMove(cmailOldMove) ?
11559 "White offers a draw" : "Black offers a draw";
11560 AppendComment(currentMove, offer);
11561 DisplayComment(currentMove - 1, offer);
11562 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
11564 DisplayError(_("You must make your move before offering a draw"), 0);
11565 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11567 } else if (first.offeredDraw) {
11568 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
11570 if (first.sendDrawOffers) {
11571 SendToProgram("draw\n", &first);
11572 userOfferedDraw = TRUE;
11580 /* Offer Adjourn or accept pending Adjourn offer from opponent */
11582 if (appData.icsActive) {
11583 SendToICS(ics_prefix);
11584 SendToICS("adjourn\n");
11586 /* Currently GNU Chess doesn't offer or accept Adjourns */
11594 /* Offer Abort or accept pending Abort offer from opponent */
11596 if (appData.icsActive) {
11597 SendToICS(ics_prefix);
11598 SendToICS("abort\n");
11600 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
11607 /* Resign. You can do this even if it's not your turn. */
11609 if (appData.icsActive) {
11610 SendToICS(ics_prefix);
11611 SendToICS("resign\n");
11613 switch (gameMode) {
11614 case MachinePlaysWhite:
11615 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11617 case MachinePlaysBlack:
11618 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11621 if (cmailMsgLoaded) {
11623 if (WhiteOnMove(cmailOldMove)) {
11624 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11626 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11628 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
11639 StopObservingEvent()
11641 /* Stop observing current games */
11642 SendToICS(ics_prefix);
11643 SendToICS("unobserve\n");
11647 StopExaminingEvent()
11649 /* Stop observing current game */
11650 SendToICS(ics_prefix);
11651 SendToICS("unexamine\n");
11655 ForwardInner(target)
11660 if (appData.debugMode)
11661 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
11662 target, currentMove, forwardMostMove);
11664 if (gameMode == EditPosition)
11667 if (gameMode == PlayFromGameFile && !pausing)
11670 if (gameMode == IcsExamining && pausing)
11671 limit = pauseExamForwardMostMove;
11673 limit = forwardMostMove;
11675 if (target > limit) target = limit;
11677 if (target > 0 && moveList[target - 1][0]) {
11678 int fromX, fromY, toX, toY;
11679 toX = moveList[target - 1][2] - AAA;
11680 toY = moveList[target - 1][3] - ONE;
11681 if (moveList[target - 1][1] == '@') {
11682 if (appData.highlightLastMove) {
11683 SetHighlights(-1, -1, toX, toY);
11686 fromX = moveList[target - 1][0] - AAA;
11687 fromY = moveList[target - 1][1] - ONE;
11688 if (target == currentMove + 1) {
11689 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11691 if (appData.highlightLastMove) {
11692 SetHighlights(fromX, fromY, toX, toY);
11696 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11697 gameMode == Training || gameMode == PlayFromGameFile ||
11698 gameMode == AnalyzeFile) {
11699 while (currentMove < target) {
11700 SendMoveToProgram(currentMove++, &first);
11703 currentMove = target;
11706 if (gameMode == EditGame || gameMode == EndOfGame) {
11707 whiteTimeRemaining = timeRemaining[0][currentMove];
11708 blackTimeRemaining = timeRemaining[1][currentMove];
11710 DisplayBothClocks();
11711 DisplayMove(currentMove - 1);
11712 DrawPosition(FALSE, boards[currentMove]);
11713 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11714 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
11715 DisplayComment(currentMove - 1, commentList[currentMove]);
11723 if (gameMode == IcsExamining && !pausing) {
11724 SendToICS(ics_prefix);
11725 SendToICS("forward\n");
11727 ForwardInner(currentMove + 1);
11734 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11735 /* to optimze, we temporarily turn off analysis mode while we feed
11736 * the remaining moves to the engine. Otherwise we get analysis output
11739 if (first.analysisSupport) {
11740 SendToProgram("exit\nforce\n", &first);
11741 first.analyzing = FALSE;
11745 if (gameMode == IcsExamining && !pausing) {
11746 SendToICS(ics_prefix);
11747 SendToICS("forward 999999\n");
11749 ForwardInner(forwardMostMove);
11752 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11753 /* we have fed all the moves, so reactivate analysis mode */
11754 SendToProgram("analyze\n", &first);
11755 first.analyzing = TRUE;
11756 /*first.maybeThinking = TRUE;*/
11757 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11762 BackwardInner(target)
11765 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
11767 if (appData.debugMode)
11768 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
11769 target, currentMove, forwardMostMove);
11771 if (gameMode == EditPosition) return;
11772 if (currentMove <= backwardMostMove) {
11774 DrawPosition(full_redraw, boards[currentMove]);
11777 if (gameMode == PlayFromGameFile && !pausing)
11780 if (moveList[target][0]) {
11781 int fromX, fromY, toX, toY;
11782 toX = moveList[target][2] - AAA;
11783 toY = moveList[target][3] - ONE;
11784 if (moveList[target][1] == '@') {
11785 if (appData.highlightLastMove) {
11786 SetHighlights(-1, -1, toX, toY);
11789 fromX = moveList[target][0] - AAA;
11790 fromY = moveList[target][1] - ONE;
11791 if (target == currentMove - 1) {
11792 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
11794 if (appData.highlightLastMove) {
11795 SetHighlights(fromX, fromY, toX, toY);
11799 if (gameMode == EditGame || gameMode==AnalyzeMode ||
11800 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
11801 while (currentMove > target) {
11802 SendToProgram("undo\n", &first);
11806 currentMove = target;
11809 if (gameMode == EditGame || gameMode == EndOfGame) {
11810 whiteTimeRemaining = timeRemaining[0][currentMove];
11811 blackTimeRemaining = timeRemaining[1][currentMove];
11813 DisplayBothClocks();
11814 DisplayMove(currentMove - 1);
11815 DrawPosition(full_redraw, boards[currentMove]);
11816 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11817 // [HGM] PV info: routine tests if comment empty
11818 DisplayComment(currentMove - 1, commentList[currentMove]);
11824 if (gameMode == IcsExamining && !pausing) {
11825 SendToICS(ics_prefix);
11826 SendToICS("backward\n");
11828 BackwardInner(currentMove - 1);
11835 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11836 /* to optimze, we temporarily turn off analysis mode while we undo
11837 * all the moves. Otherwise we get analysis output after each undo.
11839 if (first.analysisSupport) {
11840 SendToProgram("exit\nforce\n", &first);
11841 first.analyzing = FALSE;
11845 if (gameMode == IcsExamining && !pausing) {
11846 SendToICS(ics_prefix);
11847 SendToICS("backward 999999\n");
11849 BackwardInner(backwardMostMove);
11852 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11853 /* we have fed all the moves, so reactivate analysis mode */
11854 SendToProgram("analyze\n", &first);
11855 first.analyzing = TRUE;
11856 /*first.maybeThinking = TRUE;*/
11857 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11864 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
11865 if (to >= forwardMostMove) to = forwardMostMove;
11866 if (to <= backwardMostMove) to = backwardMostMove;
11867 if (to < currentMove) {
11877 if (gameMode != IcsExamining) {
11878 DisplayError(_("You are not examining a game"), 0);
11882 DisplayError(_("You can't revert while pausing"), 0);
11885 SendToICS(ics_prefix);
11886 SendToICS("revert\n");
11892 switch (gameMode) {
11893 case MachinePlaysWhite:
11894 case MachinePlaysBlack:
11895 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11896 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11899 if (forwardMostMove < 2) return;
11900 currentMove = forwardMostMove = forwardMostMove - 2;
11901 whiteTimeRemaining = timeRemaining[0][currentMove];
11902 blackTimeRemaining = timeRemaining[1][currentMove];
11903 DisplayBothClocks();
11904 DisplayMove(currentMove - 1);
11905 ClearHighlights();/*!! could figure this out*/
11906 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
11907 SendToProgram("remove\n", &first);
11908 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
11911 case BeginningOfGame:
11915 case IcsPlayingWhite:
11916 case IcsPlayingBlack:
11917 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
11918 SendToICS(ics_prefix);
11919 SendToICS("takeback 2\n");
11921 SendToICS(ics_prefix);
11922 SendToICS("takeback 1\n");
11931 ChessProgramState *cps;
11933 switch (gameMode) {
11934 case MachinePlaysWhite:
11935 if (!WhiteOnMove(forwardMostMove)) {
11936 DisplayError(_("It is your turn"), 0);
11941 case MachinePlaysBlack:
11942 if (WhiteOnMove(forwardMostMove)) {
11943 DisplayError(_("It is your turn"), 0);
11948 case TwoMachinesPlay:
11949 if (WhiteOnMove(forwardMostMove) ==
11950 (first.twoMachinesColor[0] == 'w')) {
11956 case BeginningOfGame:
11960 SendToProgram("?\n", cps);
11964 TruncateGameEvent()
11967 if (gameMode != EditGame) return;
11974 if (forwardMostMove > currentMove) {
11975 if (gameInfo.resultDetails != NULL) {
11976 free(gameInfo.resultDetails);
11977 gameInfo.resultDetails = NULL;
11978 gameInfo.result = GameUnfinished;
11980 forwardMostMove = currentMove;
11981 HistorySet(parseList, backwardMostMove, forwardMostMove,
11989 if (appData.noChessProgram) return;
11990 switch (gameMode) {
11991 case MachinePlaysWhite:
11992 if (WhiteOnMove(forwardMostMove)) {
11993 DisplayError(_("Wait until your turn"), 0);
11997 case BeginningOfGame:
11998 case MachinePlaysBlack:
11999 if (!WhiteOnMove(forwardMostMove)) {
12000 DisplayError(_("Wait until your turn"), 0);
12005 DisplayError(_("No hint available"), 0);
12008 SendToProgram("hint\n", &first);
12009 hintRequested = TRUE;
12015 if (appData.noChessProgram) return;
12016 switch (gameMode) {
12017 case MachinePlaysWhite:
12018 if (WhiteOnMove(forwardMostMove)) {
12019 DisplayError(_("Wait until your turn"), 0);
12023 case BeginningOfGame:
12024 case MachinePlaysBlack:
12025 if (!WhiteOnMove(forwardMostMove)) {
12026 DisplayError(_("Wait until your turn"), 0);
12031 EditPositionDone();
12033 case TwoMachinesPlay:
12038 SendToProgram("bk\n", &first);
12039 bookOutput[0] = NULLCHAR;
12040 bookRequested = TRUE;
12046 char *tags = PGNTags(&gameInfo);
12047 TagsPopUp(tags, CmailMsg());
12051 /* end button procedures */
12054 PrintPosition(fp, move)
12060 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12061 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12062 char c = PieceToChar(boards[move][i][j]);
12063 fputc(c == 'x' ? '.' : c, fp);
12064 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12067 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12068 fprintf(fp, "white to play\n");
12070 fprintf(fp, "black to play\n");
12077 if (gameInfo.white != NULL) {
12078 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12084 /* Find last component of program's own name, using some heuristics */
12086 TidyProgramName(prog, host, buf)
12087 char *prog, *host, buf[MSG_SIZ];
12090 int local = (strcmp(host, "localhost") == 0);
12091 while (!local && (p = strchr(prog, ';')) != NULL) {
12093 while (*p == ' ') p++;
12096 if (*prog == '"' || *prog == '\'') {
12097 q = strchr(prog + 1, *prog);
12099 q = strchr(prog, ' ');
12101 if (q == NULL) q = prog + strlen(prog);
12103 while (p >= prog && *p != '/' && *p != '\\') p--;
12105 if(p == prog && *p == '"') p++;
12106 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12107 memcpy(buf, p, q - p);
12108 buf[q - p] = NULLCHAR;
12116 TimeControlTagValue()
12119 if (!appData.clockMode) {
12121 } else if (movesPerSession > 0) {
12122 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12123 } else if (timeIncrement == 0) {
12124 sprintf(buf, "%ld", timeControl/1000);
12126 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12128 return StrSave(buf);
12134 /* This routine is used only for certain modes */
12135 VariantClass v = gameInfo.variant;
12136 ClearGameInfo(&gameInfo);
12137 gameInfo.variant = v;
12139 switch (gameMode) {
12140 case MachinePlaysWhite:
12141 gameInfo.event = StrSave( appData.pgnEventHeader );
12142 gameInfo.site = StrSave(HostName());
12143 gameInfo.date = PGNDate();
12144 gameInfo.round = StrSave("-");
12145 gameInfo.white = StrSave(first.tidy);
12146 gameInfo.black = StrSave(UserName());
12147 gameInfo.timeControl = TimeControlTagValue();
12150 case MachinePlaysBlack:
12151 gameInfo.event = StrSave( appData.pgnEventHeader );
12152 gameInfo.site = StrSave(HostName());
12153 gameInfo.date = PGNDate();
12154 gameInfo.round = StrSave("-");
12155 gameInfo.white = StrSave(UserName());
12156 gameInfo.black = StrSave(first.tidy);
12157 gameInfo.timeControl = TimeControlTagValue();
12160 case TwoMachinesPlay:
12161 gameInfo.event = StrSave( appData.pgnEventHeader );
12162 gameInfo.site = StrSave(HostName());
12163 gameInfo.date = PGNDate();
12164 if (matchGame > 0) {
12166 sprintf(buf, "%d", matchGame);
12167 gameInfo.round = StrSave(buf);
12169 gameInfo.round = StrSave("-");
12171 if (first.twoMachinesColor[0] == 'w') {
12172 gameInfo.white = StrSave(first.tidy);
12173 gameInfo.black = StrSave(second.tidy);
12175 gameInfo.white = StrSave(second.tidy);
12176 gameInfo.black = StrSave(first.tidy);
12178 gameInfo.timeControl = TimeControlTagValue();
12182 gameInfo.event = StrSave("Edited game");
12183 gameInfo.site = StrSave(HostName());
12184 gameInfo.date = PGNDate();
12185 gameInfo.round = StrSave("-");
12186 gameInfo.white = StrSave("-");
12187 gameInfo.black = StrSave("-");
12191 gameInfo.event = StrSave("Edited position");
12192 gameInfo.site = StrSave(HostName());
12193 gameInfo.date = PGNDate();
12194 gameInfo.round = StrSave("-");
12195 gameInfo.white = StrSave("-");
12196 gameInfo.black = StrSave("-");
12199 case IcsPlayingWhite:
12200 case IcsPlayingBlack:
12205 case PlayFromGameFile:
12206 gameInfo.event = StrSave("Game from non-PGN file");
12207 gameInfo.site = StrSave(HostName());
12208 gameInfo.date = PGNDate();
12209 gameInfo.round = StrSave("-");
12210 gameInfo.white = StrSave("?");
12211 gameInfo.black = StrSave("?");
12220 ReplaceComment(index, text)
12226 while (*text == '\n') text++;
12227 len = strlen(text);
12228 while (len > 0 && text[len - 1] == '\n') len--;
12230 if (commentList[index] != NULL)
12231 free(commentList[index]);
12234 commentList[index] = NULL;
12237 commentList[index] = (char *) malloc(len + 2);
12238 strncpy(commentList[index], text, len);
12239 commentList[index][len] = '\n';
12240 commentList[index][len + 1] = NULLCHAR;
12253 if (ch == '\r') continue;
12255 } while (ch != '\0');
12259 AppendComment(index, text)
12266 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12269 while (*text == '\n') text++;
12270 len = strlen(text);
12271 while (len > 0 && text[len - 1] == '\n') len--;
12273 if (len == 0) return;
12275 if (commentList[index] != NULL) {
12276 old = commentList[index];
12277 oldlen = strlen(old);
12278 commentList[index] = (char *) malloc(oldlen + len + 2);
12279 strcpy(commentList[index], old);
12281 strncpy(&commentList[index][oldlen], text, len);
12282 commentList[index][oldlen + len] = '\n';
12283 commentList[index][oldlen + len + 1] = NULLCHAR;
12285 commentList[index] = (char *) malloc(len + 2);
12286 strncpy(commentList[index], text, len);
12287 commentList[index][len] = '\n';
12288 commentList[index][len + 1] = NULLCHAR;
12292 static char * FindStr( char * text, char * sub_text )
12294 char * result = strstr( text, sub_text );
12296 if( result != NULL ) {
12297 result += strlen( sub_text );
12303 /* [AS] Try to extract PV info from PGN comment */
12304 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12305 char *GetInfoFromComment( int index, char * text )
12309 if( text != NULL && index > 0 ) {
12312 int time = -1, sec = 0, deci;
12313 char * s_eval = FindStr( text, "[%eval " );
12314 char * s_emt = FindStr( text, "[%emt " );
12316 if( s_eval != NULL || s_emt != NULL ) {
12320 if( s_eval != NULL ) {
12321 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12325 if( delim != ']' ) {
12330 if( s_emt != NULL ) {
12334 /* We expect something like: [+|-]nnn.nn/dd */
12337 sep = strchr( text, '/' );
12338 if( sep == NULL || sep < (text+4) ) {
12342 time = -1; sec = -1; deci = -1;
12343 if( sscanf( text, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12344 sscanf( text, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12345 sscanf( text, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12346 sscanf( text, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12350 if( score_lo < 0 || score_lo >= 100 ) {
12354 if(sec >= 0) time = 600*time + 10*sec; else
12355 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12357 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12359 /* [HGM] PV time: now locate end of PV info */
12360 while( *++sep >= '0' && *sep <= '9'); // strip depth
12362 while( *++sep >= '0' && *sep <= '9'); // strip time
12364 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12366 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12367 while(*sep == ' ') sep++;
12378 pvInfoList[index-1].depth = depth;
12379 pvInfoList[index-1].score = score;
12380 pvInfoList[index-1].time = 10*time; // centi-sec
12386 SendToProgram(message, cps)
12388 ChessProgramState *cps;
12390 int count, outCount, error;
12393 if (cps->pr == NULL) return;
12396 if (appData.debugMode) {
12399 fprintf(debugFP, "%ld >%-6s: %s",
12400 SubtractTimeMarks(&now, &programStartTime),
12401 cps->which, message);
12404 count = strlen(message);
12405 outCount = OutputToProcess(cps->pr, message, count, &error);
12406 if (outCount < count && !exiting
12407 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
12408 sprintf(buf, _("Error writing to %s chess program"), cps->which);
12409 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12410 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12411 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12412 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
12414 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12416 gameInfo.resultDetails = buf;
12418 DisplayFatalError(buf, error, 1);
12423 ReceiveFromProgram(isr, closure, message, count, error)
12424 InputSourceRef isr;
12432 ChessProgramState *cps = (ChessProgramState *)closure;
12434 if (isr != cps->isr) return; /* Killed intentionally */
12438 _("Error: %s chess program (%s) exited unexpectedly"),
12439 cps->which, cps->program);
12440 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12441 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12442 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12443 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
12445 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12447 gameInfo.resultDetails = buf;
12449 RemoveInputSource(cps->isr);
12450 DisplayFatalError(buf, 0, 1);
12453 _("Error reading from %s chess program (%s)"),
12454 cps->which, cps->program);
12455 RemoveInputSource(cps->isr);
12457 /* [AS] Program is misbehaving badly... kill it */
12458 if( count == -2 ) {
12459 DestroyChildProcess( cps->pr, 9 );
12463 DisplayFatalError(buf, error, 1);
12468 if ((end_str = strchr(message, '\r')) != NULL)
12469 *end_str = NULLCHAR;
12470 if ((end_str = strchr(message, '\n')) != NULL)
12471 *end_str = NULLCHAR;
12473 if (appData.debugMode) {
12474 TimeMark now; int print = 1;
12475 char *quote = ""; char c; int i;
12477 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
12478 char start = message[0];
12479 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
12480 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
12481 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
12482 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
12483 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
12484 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
12485 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
12486 sscanf(message, "pong %c", &c)!=1 && start != '#')
12487 { quote = "# "; print = (appData.engineComments == 2); }
12488 message[0] = start; // restore original message
12492 fprintf(debugFP, "%ld <%-6s: %s%s\n",
12493 SubtractTimeMarks(&now, &programStartTime), cps->which,
12499 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
12500 if (appData.icsEngineAnalyze) {
12501 if (strstr(message, "whisper") != NULL ||
12502 strstr(message, "kibitz") != NULL ||
12503 strstr(message, "tellics") != NULL) return;
12506 HandleMachineMove(message, cps);
12511 SendTimeControl(cps, mps, tc, inc, sd, st)
12512 ChessProgramState *cps;
12513 int mps, inc, sd, st;
12519 if( timeControl_2 > 0 ) {
12520 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
12521 tc = timeControl_2;
12524 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
12525 inc /= cps->timeOdds;
12526 st /= cps->timeOdds;
12528 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
12531 /* Set exact time per move, normally using st command */
12532 if (cps->stKludge) {
12533 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
12535 if (seconds == 0) {
12536 sprintf(buf, "level 1 %d\n", st/60);
12538 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
12541 sprintf(buf, "st %d\n", st);
12544 /* Set conventional or incremental time control, using level command */
12545 if (seconds == 0) {
12546 /* Note old gnuchess bug -- minutes:seconds used to not work.
12547 Fixed in later versions, but still avoid :seconds
12548 when seconds is 0. */
12549 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
12551 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
12552 seconds, inc/1000);
12555 SendToProgram(buf, cps);
12557 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
12558 /* Orthogonally, limit search to given depth */
12560 if (cps->sdKludge) {
12561 sprintf(buf, "depth\n%d\n", sd);
12563 sprintf(buf, "sd %d\n", sd);
12565 SendToProgram(buf, cps);
12568 if(cps->nps > 0) { /* [HGM] nps */
12569 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
12571 sprintf(buf, "nps %d\n", cps->nps);
12572 SendToProgram(buf, cps);
12577 ChessProgramState *WhitePlayer()
12578 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
12580 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
12581 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
12587 SendTimeRemaining(cps, machineWhite)
12588 ChessProgramState *cps;
12589 int /*boolean*/ machineWhite;
12591 char message[MSG_SIZ];
12594 /* Note: this routine must be called when the clocks are stopped
12595 or when they have *just* been set or switched; otherwise
12596 it will be off by the time since the current tick started.
12598 if (machineWhite) {
12599 time = whiteTimeRemaining / 10;
12600 otime = blackTimeRemaining / 10;
12602 time = blackTimeRemaining / 10;
12603 otime = whiteTimeRemaining / 10;
12605 /* [HGM] translate opponent's time by time-odds factor */
12606 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
12607 if (appData.debugMode) {
12608 fprintf(debugFP, "time odds: %d %d \n", cps->timeOdds, cps->other->timeOdds);
12611 if (time <= 0) time = 1;
12612 if (otime <= 0) otime = 1;
12614 sprintf(message, "time %ld\n", time);
12615 SendToProgram(message, cps);
12617 sprintf(message, "otim %ld\n", otime);
12618 SendToProgram(message, cps);
12622 BoolFeature(p, name, loc, cps)
12626 ChessProgramState *cps;
12629 int len = strlen(name);
12631 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12633 sscanf(*p, "%d", &val);
12635 while (**p && **p != ' ') (*p)++;
12636 sprintf(buf, "accepted %s\n", name);
12637 SendToProgram(buf, cps);
12644 IntFeature(p, name, loc, cps)
12648 ChessProgramState *cps;
12651 int len = strlen(name);
12652 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12654 sscanf(*p, "%d", loc);
12655 while (**p && **p != ' ') (*p)++;
12656 sprintf(buf, "accepted %s\n", name);
12657 SendToProgram(buf, cps);
12664 StringFeature(p, name, loc, cps)
12668 ChessProgramState *cps;
12671 int len = strlen(name);
12672 if (strncmp((*p), name, len) == 0
12673 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
12675 sscanf(*p, "%[^\"]", loc);
12676 while (**p && **p != '\"') (*p)++;
12677 if (**p == '\"') (*p)++;
12678 sprintf(buf, "accepted %s\n", name);
12679 SendToProgram(buf, cps);
12686 ParseOption(Option *opt, ChessProgramState *cps)
12687 // [HGM] options: process the string that defines an engine option, and determine
12688 // name, type, default value, and allowed value range
12690 char *p, *q, buf[MSG_SIZ];
12691 int n, min = (-1)<<31, max = 1<<31, def;
12693 if(p = strstr(opt->name, " -spin ")) {
12694 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12695 if(max < min) max = min; // enforce consistency
12696 if(def < min) def = min;
12697 if(def > max) def = max;
12702 } else if((p = strstr(opt->name, " -slider "))) {
12703 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
12704 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12705 if(max < min) max = min; // enforce consistency
12706 if(def < min) def = min;
12707 if(def > max) def = max;
12711 opt->type = Spin; // Slider;
12712 } else if((p = strstr(opt->name, " -string "))) {
12713 opt->textValue = p+9;
12714 opt->type = TextBox;
12715 } else if((p = strstr(opt->name, " -file "))) {
12716 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12717 opt->textValue = p+7;
12718 opt->type = TextBox; // FileName;
12719 } else if((p = strstr(opt->name, " -path "))) {
12720 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12721 opt->textValue = p+7;
12722 opt->type = TextBox; // PathName;
12723 } else if(p = strstr(opt->name, " -check ")) {
12724 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
12725 opt->value = (def != 0);
12726 opt->type = CheckBox;
12727 } else if(p = strstr(opt->name, " -combo ")) {
12728 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
12729 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
12730 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
12731 opt->value = n = 0;
12732 while(q = StrStr(q, " /// ")) {
12733 n++; *q = 0; // count choices, and null-terminate each of them
12735 if(*q == '*') { // remember default, which is marked with * prefix
12739 cps->comboList[cps->comboCnt++] = q;
12741 cps->comboList[cps->comboCnt++] = NULL;
12743 opt->type = ComboBox;
12744 } else if(p = strstr(opt->name, " -button")) {
12745 opt->type = Button;
12746 } else if(p = strstr(opt->name, " -save")) {
12747 opt->type = SaveButton;
12748 } else return FALSE;
12749 *p = 0; // terminate option name
12750 // now look if the command-line options define a setting for this engine option.
12751 if(cps->optionSettings && cps->optionSettings[0])
12752 p = strstr(cps->optionSettings, opt->name); else p = NULL;
12753 if(p && (p == cps->optionSettings || p[-1] == ',')) {
12754 sprintf(buf, "option %s", p);
12755 if(p = strstr(buf, ",")) *p = 0;
12757 SendToProgram(buf, cps);
12763 FeatureDone(cps, val)
12764 ChessProgramState* cps;
12767 DelayedEventCallback cb = GetDelayedEvent();
12768 if ((cb == InitBackEnd3 && cps == &first) ||
12769 (cb == TwoMachinesEventIfReady && cps == &second)) {
12770 CancelDelayedEvent();
12771 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
12773 cps->initDone = val;
12776 /* Parse feature command from engine */
12778 ParseFeatures(args, cps)
12780 ChessProgramState *cps;
12788 while (*p == ' ') p++;
12789 if (*p == NULLCHAR) return;
12791 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
12792 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
12793 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
12794 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
12795 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
12796 if (BoolFeature(&p, "reuse", &val, cps)) {
12797 /* Engine can disable reuse, but can't enable it if user said no */
12798 if (!val) cps->reuse = FALSE;
12801 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
12802 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
12803 if (gameMode == TwoMachinesPlay) {
12804 DisplayTwoMachinesTitle();
12810 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
12811 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
12812 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
12813 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
12814 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
12815 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
12816 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
12817 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
12818 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
12819 if (IntFeature(&p, "done", &val, cps)) {
12820 FeatureDone(cps, val);
12823 /* Added by Tord: */
12824 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
12825 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
12826 /* End of additions by Tord */
12828 /* [HGM] added features: */
12829 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
12830 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
12831 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
12832 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
12833 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12834 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
12835 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
12836 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
12837 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
12838 SendToProgram(buf, cps);
12841 if(cps->nrOptions >= MAX_OPTIONS) {
12843 sprintf(buf, "%s engine has too many options\n", cps->which);
12844 DisplayError(buf, 0);
12848 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12849 /* End of additions by HGM */
12851 /* unknown feature: complain and skip */
12853 while (*q && *q != '=') q++;
12854 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
12855 SendToProgram(buf, cps);
12861 while (*p && *p != '\"') p++;
12862 if (*p == '\"') p++;
12864 while (*p && *p != ' ') p++;
12872 PeriodicUpdatesEvent(newState)
12875 if (newState == appData.periodicUpdates)
12878 appData.periodicUpdates=newState;
12880 /* Display type changes, so update it now */
12881 // DisplayAnalysis();
12883 /* Get the ball rolling again... */
12885 AnalysisPeriodicEvent(1);
12886 StartAnalysisClock();
12891 PonderNextMoveEvent(newState)
12894 if (newState == appData.ponderNextMove) return;
12895 if (gameMode == EditPosition) EditPositionDone();
12897 SendToProgram("hard\n", &first);
12898 if (gameMode == TwoMachinesPlay) {
12899 SendToProgram("hard\n", &second);
12902 SendToProgram("easy\n", &first);
12903 thinkOutput[0] = NULLCHAR;
12904 if (gameMode == TwoMachinesPlay) {
12905 SendToProgram("easy\n", &second);
12908 appData.ponderNextMove = newState;
12912 NewSettingEvent(option, command, value)
12918 if (gameMode == EditPosition) EditPositionDone();
12919 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
12920 SendToProgram(buf, &first);
12921 if (gameMode == TwoMachinesPlay) {
12922 SendToProgram(buf, &second);
12927 ShowThinkingEvent()
12928 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
12930 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
12931 int newState = appData.showThinking
12932 // [HGM] thinking: other features now need thinking output as well
12933 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
12935 if (oldState == newState) return;
12936 oldState = newState;
12937 if (gameMode == EditPosition) EditPositionDone();
12939 SendToProgram("post\n", &first);
12940 if (gameMode == TwoMachinesPlay) {
12941 SendToProgram("post\n", &second);
12944 SendToProgram("nopost\n", &first);
12945 thinkOutput[0] = NULLCHAR;
12946 if (gameMode == TwoMachinesPlay) {
12947 SendToProgram("nopost\n", &second);
12950 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
12954 AskQuestionEvent(title, question, replyPrefix, which)
12955 char *title; char *question; char *replyPrefix; char *which;
12957 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
12958 if (pr == NoProc) return;
12959 AskQuestion(title, question, replyPrefix, pr);
12963 DisplayMove(moveNumber)
12966 char message[MSG_SIZ];
12968 char cpThinkOutput[MSG_SIZ];
12970 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
12972 if (moveNumber == forwardMostMove - 1 ||
12973 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12975 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
12977 if (strchr(cpThinkOutput, '\n')) {
12978 *strchr(cpThinkOutput, '\n') = NULLCHAR;
12981 *cpThinkOutput = NULLCHAR;
12984 /* [AS] Hide thinking from human user */
12985 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
12986 *cpThinkOutput = NULLCHAR;
12987 if( thinkOutput[0] != NULLCHAR ) {
12990 for( i=0; i<=hiddenThinkOutputState; i++ ) {
12991 cpThinkOutput[i] = '.';
12993 cpThinkOutput[i] = NULLCHAR;
12994 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
12998 if (moveNumber == forwardMostMove - 1 &&
12999 gameInfo.resultDetails != NULL) {
13000 if (gameInfo.resultDetails[0] == NULLCHAR) {
13001 sprintf(res, " %s", PGNResult(gameInfo.result));
13003 sprintf(res, " {%s} %s",
13004 gameInfo.resultDetails, PGNResult(gameInfo.result));
13010 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13011 DisplayMessage(res, cpThinkOutput);
13013 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13014 WhiteOnMove(moveNumber) ? " " : ".. ",
13015 parseList[moveNumber], res);
13016 DisplayMessage(message, cpThinkOutput);
13021 DisplayComment(moveNumber, text)
13025 char title[MSG_SIZ];
13026 char buf[8000]; // comment can be long!
13029 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13030 strcpy(title, "Comment");
13032 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13033 WhiteOnMove(moveNumber) ? " " : ".. ",
13034 parseList[moveNumber]);
13036 // [HGM] PV info: display PV info together with (or as) comment
13037 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13038 if(text == NULL) text = "";
13039 score = pvInfoList[moveNumber].score;
13040 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13041 depth, (pvInfoList[moveNumber].time+50)/100, text);
13044 if (text != NULL && (appData.autoDisplayComment || commentUp))
13045 CommentPopUp(title, text);
13048 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13049 * might be busy thinking or pondering. It can be omitted if your
13050 * gnuchess is configured to stop thinking immediately on any user
13051 * input. However, that gnuchess feature depends on the FIONREAD
13052 * ioctl, which does not work properly on some flavors of Unix.
13056 ChessProgramState *cps;
13059 if (!cps->useSigint) return;
13060 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13061 switch (gameMode) {
13062 case MachinePlaysWhite:
13063 case MachinePlaysBlack:
13064 case TwoMachinesPlay:
13065 case IcsPlayingWhite:
13066 case IcsPlayingBlack:
13069 /* Skip if we know it isn't thinking */
13070 if (!cps->maybeThinking) return;
13071 if (appData.debugMode)
13072 fprintf(debugFP, "Interrupting %s\n", cps->which);
13073 InterruptChildProcess(cps->pr);
13074 cps->maybeThinking = FALSE;
13079 #endif /*ATTENTION*/
13085 if (whiteTimeRemaining <= 0) {
13088 if (appData.icsActive) {
13089 if (appData.autoCallFlag &&
13090 gameMode == IcsPlayingBlack && !blackFlag) {
13091 SendToICS(ics_prefix);
13092 SendToICS("flag\n");
13096 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13098 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13099 if (appData.autoCallFlag) {
13100 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13107 if (blackTimeRemaining <= 0) {
13110 if (appData.icsActive) {
13111 if (appData.autoCallFlag &&
13112 gameMode == IcsPlayingWhite && !whiteFlag) {
13113 SendToICS(ics_prefix);
13114 SendToICS("flag\n");
13118 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13120 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13121 if (appData.autoCallFlag) {
13122 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13135 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13136 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13139 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13141 if ( !WhiteOnMove(forwardMostMove) )
13142 /* White made time control */
13143 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13144 /* [HGM] time odds: correct new time quota for time odds! */
13145 / WhitePlayer()->timeOdds;
13147 /* Black made time control */
13148 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13149 / WhitePlayer()->other->timeOdds;
13153 DisplayBothClocks()
13155 int wom = gameMode == EditPosition ?
13156 !blackPlaysFirst : WhiteOnMove(currentMove);
13157 DisplayWhiteClock(whiteTimeRemaining, wom);
13158 DisplayBlackClock(blackTimeRemaining, !wom);
13162 /* Timekeeping seems to be a portability nightmare. I think everyone
13163 has ftime(), but I'm really not sure, so I'm including some ifdefs
13164 to use other calls if you don't. Clocks will be less accurate if
13165 you have neither ftime nor gettimeofday.
13168 /* VS 2008 requires the #include outside of the function */
13169 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13170 #include <sys/timeb.h>
13173 /* Get the current time as a TimeMark */
13178 #if HAVE_GETTIMEOFDAY
13180 struct timeval timeVal;
13181 struct timezone timeZone;
13183 gettimeofday(&timeVal, &timeZone);
13184 tm->sec = (long) timeVal.tv_sec;
13185 tm->ms = (int) (timeVal.tv_usec / 1000L);
13187 #else /*!HAVE_GETTIMEOFDAY*/
13190 // include <sys/timeb.h> / moved to just above start of function
13191 struct timeb timeB;
13194 tm->sec = (long) timeB.time;
13195 tm->ms = (int) timeB.millitm;
13197 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13198 tm->sec = (long) time(NULL);
13204 /* Return the difference in milliseconds between two
13205 time marks. We assume the difference will fit in a long!
13208 SubtractTimeMarks(tm2, tm1)
13209 TimeMark *tm2, *tm1;
13211 return 1000L*(tm2->sec - tm1->sec) +
13212 (long) (tm2->ms - tm1->ms);
13217 * Code to manage the game clocks.
13219 * In tournament play, black starts the clock and then white makes a move.
13220 * We give the human user a slight advantage if he is playing white---the
13221 * clocks don't run until he makes his first move, so it takes zero time.
13222 * Also, we don't account for network lag, so we could get out of sync
13223 * with GNU Chess's clock -- but then, referees are always right.
13226 static TimeMark tickStartTM;
13227 static long intendedTickLength;
13230 NextTickLength(timeRemaining)
13231 long timeRemaining;
13233 long nominalTickLength, nextTickLength;
13235 if (timeRemaining > 0L && timeRemaining <= 10000L)
13236 nominalTickLength = 100L;
13238 nominalTickLength = 1000L;
13239 nextTickLength = timeRemaining % nominalTickLength;
13240 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13242 return nextTickLength;
13245 /* Adjust clock one minute up or down */
13247 AdjustClock(Boolean which, int dir)
13249 if(which) blackTimeRemaining += 60000*dir;
13250 else whiteTimeRemaining += 60000*dir;
13251 DisplayBothClocks();
13254 /* Stop clocks and reset to a fresh time control */
13258 (void) StopClockTimer();
13259 if (appData.icsActive) {
13260 whiteTimeRemaining = blackTimeRemaining = 0;
13261 } else if (searchTime) {
13262 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
13263 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
13264 } else { /* [HGM] correct new time quote for time odds */
13265 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13266 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13268 if (whiteFlag || blackFlag) {
13270 whiteFlag = blackFlag = FALSE;
13272 DisplayBothClocks();
13275 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13277 /* Decrement running clock by amount of time that has passed */
13281 long timeRemaining;
13282 long lastTickLength, fudge;
13285 if (!appData.clockMode) return;
13286 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13290 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13292 /* Fudge if we woke up a little too soon */
13293 fudge = intendedTickLength - lastTickLength;
13294 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13296 if (WhiteOnMove(forwardMostMove)) {
13297 if(whiteNPS >= 0) lastTickLength = 0;
13298 timeRemaining = whiteTimeRemaining -= lastTickLength;
13299 DisplayWhiteClock(whiteTimeRemaining - fudge,
13300 WhiteOnMove(currentMove));
13302 if(blackNPS >= 0) lastTickLength = 0;
13303 timeRemaining = blackTimeRemaining -= lastTickLength;
13304 DisplayBlackClock(blackTimeRemaining - fudge,
13305 !WhiteOnMove(currentMove));
13308 if (CheckFlags()) return;
13311 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13312 StartClockTimer(intendedTickLength);
13314 /* if the time remaining has fallen below the alarm threshold, sound the
13315 * alarm. if the alarm has sounded and (due to a takeback or time control
13316 * with increment) the time remaining has increased to a level above the
13317 * threshold, reset the alarm so it can sound again.
13320 if (appData.icsActive && appData.icsAlarm) {
13322 /* make sure we are dealing with the user's clock */
13323 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13324 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13327 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13328 alarmSounded = FALSE;
13329 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13331 alarmSounded = TRUE;
13337 /* A player has just moved, so stop the previously running
13338 clock and (if in clock mode) start the other one.
13339 We redisplay both clocks in case we're in ICS mode, because
13340 ICS gives us an update to both clocks after every move.
13341 Note that this routine is called *after* forwardMostMove
13342 is updated, so the last fractional tick must be subtracted
13343 from the color that is *not* on move now.
13348 long lastTickLength;
13350 int flagged = FALSE;
13354 if (StopClockTimer() && appData.clockMode) {
13355 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13356 if (WhiteOnMove(forwardMostMove)) {
13357 if(blackNPS >= 0) lastTickLength = 0;
13358 blackTimeRemaining -= lastTickLength;
13359 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13360 // if(pvInfoList[forwardMostMove-1].time == -1)
13361 pvInfoList[forwardMostMove-1].time = // use GUI time
13362 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13364 if(whiteNPS >= 0) lastTickLength = 0;
13365 whiteTimeRemaining -= lastTickLength;
13366 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13367 // if(pvInfoList[forwardMostMove-1].time == -1)
13368 pvInfoList[forwardMostMove-1].time =
13369 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13371 flagged = CheckFlags();
13373 CheckTimeControl();
13375 if (flagged || !appData.clockMode) return;
13377 switch (gameMode) {
13378 case MachinePlaysBlack:
13379 case MachinePlaysWhite:
13380 case BeginningOfGame:
13381 if (pausing) return;
13385 case PlayFromGameFile:
13393 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
13394 if(WhiteOnMove(forwardMostMove))
13395 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
13396 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
13400 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13401 whiteTimeRemaining : blackTimeRemaining);
13402 StartClockTimer(intendedTickLength);
13406 /* Stop both clocks */
13410 long lastTickLength;
13413 if (!StopClockTimer()) return;
13414 if (!appData.clockMode) return;
13418 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13419 if (WhiteOnMove(forwardMostMove)) {
13420 if(whiteNPS >= 0) lastTickLength = 0;
13421 whiteTimeRemaining -= lastTickLength;
13422 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
13424 if(blackNPS >= 0) lastTickLength = 0;
13425 blackTimeRemaining -= lastTickLength;
13426 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
13431 /* Start clock of player on move. Time may have been reset, so
13432 if clock is already running, stop and restart it. */
13436 (void) StopClockTimer(); /* in case it was running already */
13437 DisplayBothClocks();
13438 if (CheckFlags()) return;
13440 if (!appData.clockMode) return;
13441 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
13443 GetTimeMark(&tickStartTM);
13444 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13445 whiteTimeRemaining : blackTimeRemaining);
13447 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
13448 whiteNPS = blackNPS = -1;
13449 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
13450 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
13451 whiteNPS = first.nps;
13452 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
13453 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
13454 blackNPS = first.nps;
13455 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
13456 whiteNPS = second.nps;
13457 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
13458 blackNPS = second.nps;
13459 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
13461 StartClockTimer(intendedTickLength);
13468 long second, minute, hour, day;
13470 static char buf[32];
13472 if (ms > 0 && ms <= 9900) {
13473 /* convert milliseconds to tenths, rounding up */
13474 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
13476 sprintf(buf, " %03.1f ", tenths/10.0);
13480 /* convert milliseconds to seconds, rounding up */
13481 /* use floating point to avoid strangeness of integer division
13482 with negative dividends on many machines */
13483 second = (long) floor(((double) (ms + 999L)) / 1000.0);
13490 day = second / (60 * 60 * 24);
13491 second = second % (60 * 60 * 24);
13492 hour = second / (60 * 60);
13493 second = second % (60 * 60);
13494 minute = second / 60;
13495 second = second % 60;
13498 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
13499 sign, day, hour, minute, second);
13501 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
13503 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
13510 * This is necessary because some C libraries aren't ANSI C compliant yet.
13513 StrStr(string, match)
13514 char *string, *match;
13518 length = strlen(match);
13520 for (i = strlen(string) - length; i >= 0; i--, string++)
13521 if (!strncmp(match, string, length))
13528 StrCaseStr(string, match)
13529 char *string, *match;
13533 length = strlen(match);
13535 for (i = strlen(string) - length; i >= 0; i--, string++) {
13536 for (j = 0; j < length; j++) {
13537 if (ToLower(match[j]) != ToLower(string[j]))
13540 if (j == length) return string;
13554 c1 = ToLower(*s1++);
13555 c2 = ToLower(*s2++);
13556 if (c1 > c2) return 1;
13557 if (c1 < c2) return -1;
13558 if (c1 == NULLCHAR) return 0;
13567 return isupper(c) ? tolower(c) : c;
13575 return islower(c) ? toupper(c) : c;
13577 #endif /* !_amigados */
13585 if ((ret = (char *) malloc(strlen(s) + 1))) {
13592 StrSavePtr(s, savePtr)
13593 char *s, **savePtr;
13598 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
13599 strcpy(*savePtr, s);
13611 clock = time((time_t *)NULL);
13612 tm = localtime(&clock);
13613 sprintf(buf, "%04d.%02d.%02d",
13614 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
13615 return StrSave(buf);
13620 PositionToFEN(move, overrideCastling)
13622 char *overrideCastling;
13624 int i, j, fromX, fromY, toX, toY;
13631 whiteToPlay = (gameMode == EditPosition) ?
13632 !blackPlaysFirst : (move % 2 == 0);
13635 /* Piece placement data */
13636 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13638 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13639 if (boards[move][i][j] == EmptySquare) {
13641 } else { ChessSquare piece = boards[move][i][j];
13642 if (emptycount > 0) {
13643 if(emptycount<10) /* [HGM] can be >= 10 */
13644 *p++ = '0' + emptycount;
13645 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13648 if(PieceToChar(piece) == '+') {
13649 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
13651 piece = (ChessSquare)(DEMOTED piece);
13653 *p++ = PieceToChar(piece);
13655 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
13656 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
13661 if (emptycount > 0) {
13662 if(emptycount<10) /* [HGM] can be >= 10 */
13663 *p++ = '0' + emptycount;
13664 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13671 /* [HGM] print Crazyhouse or Shogi holdings */
13672 if( gameInfo.holdingsWidth ) {
13673 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
13675 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
13676 piece = boards[move][i][BOARD_WIDTH-1];
13677 if( piece != EmptySquare )
13678 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
13679 *p++ = PieceToChar(piece);
13681 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
13682 piece = boards[move][BOARD_HEIGHT-i-1][0];
13683 if( piece != EmptySquare )
13684 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
13685 *p++ = PieceToChar(piece);
13688 if( q == p ) *p++ = '-';
13694 *p++ = whiteToPlay ? 'w' : 'b';
13697 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
13698 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' ';
13700 if(nrCastlingRights) {
13702 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
13703 /* [HGM] write directly from rights */
13704 if(castlingRights[move][2] >= 0 &&
13705 castlingRights[move][0] >= 0 )
13706 *p++ = castlingRights[move][0] + AAA + 'A' - 'a';
13707 if(castlingRights[move][2] >= 0 &&
13708 castlingRights[move][1] >= 0 )
13709 *p++ = castlingRights[move][1] + AAA + 'A' - 'a';
13710 if(castlingRights[move][5] >= 0 &&
13711 castlingRights[move][3] >= 0 )
13712 *p++ = castlingRights[move][3] + AAA;
13713 if(castlingRights[move][5] >= 0 &&
13714 castlingRights[move][4] >= 0 )
13715 *p++ = castlingRights[move][4] + AAA;
13718 /* [HGM] write true castling rights */
13719 if( nrCastlingRights == 6 ) {
13720 if(castlingRights[move][0] == BOARD_RGHT-1 &&
13721 castlingRights[move][2] >= 0 ) *p++ = 'K';
13722 if(castlingRights[move][1] == BOARD_LEFT &&
13723 castlingRights[move][2] >= 0 ) *p++ = 'Q';
13724 if(castlingRights[move][3] == BOARD_RGHT-1 &&
13725 castlingRights[move][5] >= 0 ) *p++ = 'k';
13726 if(castlingRights[move][4] == BOARD_LEFT &&
13727 castlingRights[move][5] >= 0 ) *p++ = 'q';
13730 if (q == p) *p++ = '-'; /* No castling rights */
13734 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13735 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13736 /* En passant target square */
13737 if (move > backwardMostMove) {
13738 fromX = moveList[move - 1][0] - AAA;
13739 fromY = moveList[move - 1][1] - ONE;
13740 toX = moveList[move - 1][2] - AAA;
13741 toY = moveList[move - 1][3] - ONE;
13742 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
13743 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
13744 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
13746 /* 2-square pawn move just happened */
13748 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13752 } else if(move == backwardMostMove) {
13753 // [HGM] perhaps we should always do it like this, and forget the above?
13754 if(epStatus[move] >= 0) {
13755 *p++ = epStatus[move] + AAA;
13756 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13767 /* [HGM] find reversible plies */
13768 { int i = 0, j=move;
13770 if (appData.debugMode) { int k;
13771 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
13772 for(k=backwardMostMove; k<=forwardMostMove; k++)
13773 fprintf(debugFP, "e%d. p=%d\n", k, epStatus[k]);
13777 while(j > backwardMostMove && epStatus[j] <= EP_NONE) j--,i++;
13778 if( j == backwardMostMove ) i += initialRulePlies;
13779 sprintf(p, "%d ", i);
13780 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
13782 /* Fullmove number */
13783 sprintf(p, "%d", (move / 2) + 1);
13785 return StrSave(buf);
13789 ParseFEN(board, blackPlaysFirst, fen)
13791 int *blackPlaysFirst;
13801 /* [HGM] by default clear Crazyhouse holdings, if present */
13802 if(gameInfo.holdingsWidth) {
13803 for(i=0; i<BOARD_HEIGHT; i++) {
13804 board[i][0] = EmptySquare; /* black holdings */
13805 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
13806 board[i][1] = (ChessSquare) 0; /* black counts */
13807 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
13811 /* Piece placement data */
13812 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13815 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
13816 if (*p == '/') p++;
13817 emptycount = gameInfo.boardWidth - j;
13818 while (emptycount--)
13819 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13821 #if(BOARD_SIZE >= 10)
13822 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
13823 p++; emptycount=10;
13824 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13825 while (emptycount--)
13826 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13828 } else if (isdigit(*p)) {
13829 emptycount = *p++ - '0';
13830 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
13831 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13832 while (emptycount--)
13833 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13834 } else if (*p == '+' || isalpha(*p)) {
13835 if (j >= gameInfo.boardWidth) return FALSE;
13837 piece = CharToPiece(*++p);
13838 if(piece == EmptySquare) return FALSE; /* unknown piece */
13839 piece = (ChessSquare) (PROMOTED piece ); p++;
13840 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
13841 } else piece = CharToPiece(*p++);
13843 if(piece==EmptySquare) return FALSE; /* unknown piece */
13844 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
13845 piece = (ChessSquare) (PROMOTED piece);
13846 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
13849 board[i][(j++)+gameInfo.holdingsWidth] = piece;
13855 while (*p == '/' || *p == ' ') p++;
13857 /* [HGM] look for Crazyhouse holdings here */
13858 while(*p==' ') p++;
13859 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
13861 if(*p == '-' ) *p++; /* empty holdings */ else {
13862 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
13863 /* if we would allow FEN reading to set board size, we would */
13864 /* have to add holdings and shift the board read so far here */
13865 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
13867 if((int) piece >= (int) BlackPawn ) {
13868 i = (int)piece - (int)BlackPawn;
13869 i = PieceToNumber((ChessSquare)i);
13870 if( i >= gameInfo.holdingsSize ) return FALSE;
13871 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
13872 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
13874 i = (int)piece - (int)WhitePawn;
13875 i = PieceToNumber((ChessSquare)i);
13876 if( i >= gameInfo.holdingsSize ) return FALSE;
13877 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
13878 board[i][BOARD_WIDTH-2]++; /* black holdings */
13882 if(*p == ']') *p++;
13885 while(*p == ' ') p++;
13890 *blackPlaysFirst = FALSE;
13893 *blackPlaysFirst = TRUE;
13899 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
13900 /* return the extra info in global variiables */
13902 /* set defaults in case FEN is incomplete */
13903 FENepStatus = EP_UNKNOWN;
13904 for(i=0; i<nrCastlingRights; i++ ) {
13905 FENcastlingRights[i] =
13906 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? -1 : initialRights[i];
13907 } /* assume possible unless obviously impossible */
13908 if(initialRights[0]>=0 && board[castlingRank[0]][initialRights[0]] != WhiteRook) FENcastlingRights[0] = -1;
13909 if(initialRights[1]>=0 && board[castlingRank[1]][initialRights[1]] != WhiteRook) FENcastlingRights[1] = -1;
13910 if(initialRights[2]>=0 && board[castlingRank[2]][initialRights[2]] != WhiteKing) FENcastlingRights[2] = -1;
13911 if(initialRights[3]>=0 && board[castlingRank[3]][initialRights[3]] != BlackRook) FENcastlingRights[3] = -1;
13912 if(initialRights[4]>=0 && board[castlingRank[4]][initialRights[4]] != BlackRook) FENcastlingRights[4] = -1;
13913 if(initialRights[5]>=0 && board[castlingRank[5]][initialRights[5]] != BlackKing) FENcastlingRights[5] = -1;
13916 while(*p==' ') p++;
13917 if(nrCastlingRights) {
13918 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
13919 /* castling indicator present, so default becomes no castlings */
13920 for(i=0; i<nrCastlingRights; i++ ) {
13921 FENcastlingRights[i] = -1;
13924 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
13925 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
13926 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
13927 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
13928 char c = *p++; int whiteKingFile=-1, blackKingFile=-1;
13930 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
13931 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
13932 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
13936 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
13937 FENcastlingRights[0] = i != whiteKingFile ? i : -1;
13938 FENcastlingRights[2] = whiteKingFile;
13941 for(i=BOARD_LEFT; board[0][i]!=WhiteRook && i<whiteKingFile; i++);
13942 FENcastlingRights[1] = i != whiteKingFile ? i : -1;
13943 FENcastlingRights[2] = whiteKingFile;
13946 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
13947 FENcastlingRights[3] = i != blackKingFile ? i : -1;
13948 FENcastlingRights[5] = blackKingFile;
13951 for(i=BOARD_LEFT; board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
13952 FENcastlingRights[4] = i != blackKingFile ? i : -1;
13953 FENcastlingRights[5] = blackKingFile;
13956 default: /* FRC castlings */
13957 if(c >= 'a') { /* black rights */
13958 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13959 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
13960 if(i == BOARD_RGHT) break;
13961 FENcastlingRights[5] = i;
13963 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
13964 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
13966 FENcastlingRights[3] = c;
13968 FENcastlingRights[4] = c;
13969 } else { /* white rights */
13970 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13971 if(board[0][i] == WhiteKing) break;
13972 if(i == BOARD_RGHT) break;
13973 FENcastlingRights[2] = i;
13974 c -= AAA - 'a' + 'A';
13975 if(board[0][c] >= WhiteKing) break;
13977 FENcastlingRights[0] = c;
13979 FENcastlingRights[1] = c;
13983 if (appData.debugMode) {
13984 fprintf(debugFP, "FEN castling rights:");
13985 for(i=0; i<nrCastlingRights; i++)
13986 fprintf(debugFP, " %d", FENcastlingRights[i]);
13987 fprintf(debugFP, "\n");
13990 while(*p==' ') p++;
13993 /* read e.p. field in games that know e.p. capture */
13994 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13995 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13997 p++; FENepStatus = EP_NONE;
13999 char c = *p++ - AAA;
14001 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14002 if(*p >= '0' && *p <='9') *p++;
14008 if(sscanf(p, "%d", &i) == 1) {
14009 FENrulePlies = i; /* 50-move ply counter */
14010 /* (The move number is still ignored) */
14017 EditPositionPasteFEN(char *fen)
14020 Board initial_position;
14022 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14023 DisplayError(_("Bad FEN position in clipboard"), 0);
14026 int savedBlackPlaysFirst = blackPlaysFirst;
14027 EditPositionEvent();
14028 blackPlaysFirst = savedBlackPlaysFirst;
14029 CopyBoard(boards[0], initial_position);
14030 /* [HGM] copy FEN attributes as well */
14032 initialRulePlies = FENrulePlies;
14033 epStatus[0] = FENepStatus;
14034 for( i=0; i<nrCastlingRights; i++ )
14035 castlingRights[0][i] = FENcastlingRights[i];
14037 EditPositionDone();
14038 DisplayBothClocks();
14039 DrawPosition(FALSE, boards[currentMove]);
14044 static char cseq[12] = "\\ ";
14046 Boolean set_cont_sequence(char *new_seq)
14051 // handle bad attempts to set the sequence
14053 return 0; // acceptable error - no debug
14055 len = strlen(new_seq);
14056 ret = (len > 0) && (len < sizeof(cseq));
14058 strcpy(cseq, new_seq);
14059 else if (appData.debugMode)
14060 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14065 reformat a source message so words don't cross the width boundary. internal
14066 newlines are not removed. returns the wrapped size (no null character unless
14067 included in source message). If dest is NULL, only calculate the size required
14068 for the dest buffer. lp argument indicats line position upon entry, and it's
14069 passed back upon exit.
14071 int wrap(char *dest, char *src, int count, int width, int *lp)
14073 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14075 cseq_len = strlen(cseq);
14076 old_line = line = *lp;
14077 ansi = len = clen = 0;
14079 for (i=0; i < count; i++)
14081 if (src[i] == '\033')
14084 // if we hit the width, back up
14085 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14087 // store i & len in case the word is too long
14088 old_i = i, old_len = len;
14090 // find the end of the last word
14091 while (i && src[i] != ' ' && src[i] != '\n')
14097 // word too long? restore i & len before splitting it
14098 if ((old_i-i+clen) >= width)
14105 if (i && src[i-1] == ' ')
14108 if (src[i] != ' ' && src[i] != '\n')
14115 // now append the newline and continuation sequence
14120 strncpy(dest+len, cseq, cseq_len);
14128 dest[len] = src[i];
14132 if (src[i] == '\n')
14137 if (dest && appData.debugMode)
14139 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14140 count, width, line, len, *lp);
14141 show_bytes(debugFP, src, count);
14142 fprintf(debugFP, "\ndest: ");
14143 show_bytes(debugFP, dest, len);
14144 fprintf(debugFP, "\n");
14146 *lp = dest ? line : old_line;